diff --git a/lerna.json b/lerna.json
index 7784e6f2..24a5d971 100644
--- a/lerna.json
+++ b/lerna.json
@@ -1,5 +1,5 @@
 {
-  "lerna": "2.0.0-beta.32",
+  "lerna": "2.2.0",
   "version": "independent",
   "packages": [
     "packages/*"
diff --git a/package.json b/package.json
index d0e0a343..3af7698b 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,8 @@
   ],
   "repository": "ovh-ux/ovh-ui-angular",
   "main": "./packages/oui-angular/dist/oui-angular.js",
-  "webpack": "packages/oui-angular/src/index.js",
+  "browser": "./packages/oui-angular/dist/oui-angular.js",
+  "module": "packages/oui-angular/src/index.js",
   "scripts": {
     "bootstrap": "lerna bootstrap",
     "wipe": "lerna clean",
@@ -63,7 +64,7 @@
     "karma-sourcemap-loader": "^0.3.7",
     "karma-spec-reporter": "0.0.31",
     "karma-webpack": "^2.0.4",
-    "lerna": "2.0.0-beta.32",
+    "lerna": "~2.2.0",
     "less": "^2.7.2",
     "less-loader": "^2.2.3",
     "loader-utils": "^0.2.16",
diff --git a/packages/oui-angular/dist/oui-angular.js b/packages/oui-angular/dist/oui-angular.js
index 513f066a..6c583d6e 100644
--- a/packages/oui-angular/dist/oui-angular.js
+++ b/packages/oui-angular/dist/oui-angular.js
@@ -1,12 +1,14 @@
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index 44e48f11..110d5f23 100644
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Object.defineProperty : function defineProperty(O, P, Attributes){\n\t  anObject(O);\n\t  P = toPrimitive(P, true);\n\t  anObject(Attributes);\n\t  if(IE8_DOM_DEFINE)try {\n\t    return dP(O, P, Attributes);\n\t  } catch(e){ /* empty */ }\n\t  if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!');\n\t  if('value' in Attributes)O[P] = Attributes.value;\n\t  return O;\n\t};\n\n/***/ }),\n/* 6 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// to indexed object, toObject with fallback for non-array-like ES3 strings\n\tvar IObject = __webpack_require__(116)\n\t  , defined = __webpack_require__(23);\n\tmodule.exports = function(it){\n\t  return IObject(defined(it));\n\t};\n\n/***/ }),\n/* 7 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar global    = __webpack_require__(2)\n\t  , core      = __webpack_require__(1)\n\t  , ctx       = __webpack_require__(45)\n\t  , hide      = __webpack_require__(8)\n\t  , PROTOTYPE = 'prototype';\n\t\n\tvar $export = function(type, name, source){\n\t  var IS_FORCED = type & $export.F\n\t    , IS_GLOBAL = type & $export.G\n\t    , IS_STATIC = type & $export.S\n\t    , IS_PROTO  = type & $export.P\n\t    , IS_BIND   = type & $export.B\n\t    , IS_WRAP   = type & $export.W\n\t    , exports   = IS_GLOBAL ? core : core[name] || (core[name] = {})\n\t    , expProto  = exports[PROTOTYPE]\n\t    , target    = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE]\n\t    , key, own, out;\n\t  if(IS_GLOBAL)source = name;\n\t  for(key in source){\n\t    // contains in native\n\t    own = !IS_FORCED && target && target[key] !== undefined;\n\t    if(own && key in exports)continue;\n\t    // export native or passed\n\t    out = own ? target[key] : source[key];\n\t    // prevent global pollution for namespaces\n\t    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n\t    // bind timers to global for call from export context\n\t    : IS_BIND && own ? ctx(out, global)\n\t    // wrap global constructors for prevent change them in library\n\t    : IS_WRAP && target[key] == out ? (function(C){\n\t      var F = function(a, b, c){\n\t        if(this instanceof C){\n\t          switch(arguments.length){\n\t            case 0: return new C;\n\t            case 1: return new C(a);\n\t            case 2: return new C(a, b);\n\t          } return new C(a, b, c);\n\t        } return C.apply(this, arguments);\n\t      };\n\t      F[PROTOTYPE] = C[PROTOTYPE];\n\t      return F;\n\t    // make static versions for prototype methods\n\t    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n\t    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n\t    if(IS_PROTO){\n\t      (exports.virtual || (exports.virtual = {}))[key] = out;\n\t      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n\t      if(type & $export.R && expProto && !expProto[key])hide(expProto, key, out);\n\t    }\n\t  }\n\t};\n\t// type bitmap\n\t$export.F = 1;   // forced\n\t$export.G = 2;   // global\n\t$export.S = 4;   // static\n\t$export.P = 8;   // proto\n\t$export.B = 16;  // bind\n\t$export.W = 32;  // wrap\n\t$export.U = 64;  // safe\n\t$export.R = 128; // real proto method for `library` \n\tmodule.exports = $export;\n\n/***/ }),\n/* 8 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar dP         = __webpack_require__(5)\n\t  , createDesc = __webpack_require__(16);\n\tmodule.exports = __webpack_require__(3) ? function(object, key, value){\n\t  return dP.f(object, key, createDesc(1, value));\n\t} : function(object, key, value){\n\t  object[key] = value;\n\t  return object;\n\t};\n\n/***/ }),\n/* 9 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar store      = __webpack_require__(31)('wks')\n\t  , uid        = __webpack_require__(17)\n\t  , Symbol     = __webpack_require__(2).Symbol\n\t  , USE_SYMBOL = typeof Symbol == 'function';\n\t\n\tvar $exports = module.exports = function(name){\n\t  return store[name] || (store[name] =\n\t    USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name));\n\t};\n\t\n\t$exports.store = store;\n\n/***/ }),\n/* 10 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar isObject = __webpack_require__(12);\n\tmodule.exports = function(it){\n\t  if(!isObject(it))throw TypeError(it + ' is not an object!');\n\t  return it;\n\t};\n\n/***/ }),\n/* 11 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(exec){\n\t  try {\n\t    return !!exec();\n\t  } catch(e){\n\t    return true;\n\t  }\n\t};\n\n/***/ }),\n/* 12 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(it){\n\t  return typeof it === 'object' ? it !== null : typeof it === 'function';\n\t};\n\n/***/ }),\n/* 13 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(module) {\r\n\t\tif(!module.webpackPolyfill) {\r\n\t\t\tmodule.deprecate = function() {};\r\n\t\t\tmodule.paths = [];\r\n\t\t\t// module.parent = undefined by default\r\n\t\t\tmodule.children = [];\r\n\t\t\tmodule.webpackPolyfill = 1;\r\n\t\t}\r\n\t\treturn module;\r\n\t}\r\n\n\n/***/ }),\n/* 14 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// Thank's IE8 for his funny defineProperty\n\tmodule.exports = !__webpack_require__(40)(function(){\n\t  return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7;\n\t});\n\n/***/ }),\n/* 15 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 19.1.2.14 / 15.2.3.14 Object.keys(O)\n\tvar $keys       = __webpack_require__(53)\n\t  , enumBugKeys = __webpack_require__(24);\n\t\n\tmodule.exports = Object.keys || function keys(O){\n\t  return $keys(O, enumBugKeys);\n\t};\n\n/***/ }),\n/* 16 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(bitmap, value){\n\t  return {\n\t    enumerable  : !(bitmap & 1),\n\t    configurable: !(bitmap & 2),\n\t    writable    : !(bitmap & 4),\n\t    value       : value\n\t  };\n\t};\n\n/***/ }),\n/* 17 */\n/***/ (function(module, exports) {\n\n\tvar id = 0\n\t  , px = Math.random();\n\tmodule.exports = function(key){\n\t  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));\n\t};\n\n/***/ }),\n/* 18 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// Thank's IE8 for his funny defineProperty\n\tmodule.exports = !__webpack_require__(58)(function(){\n\t  return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7;\n\t});\n\n/***/ }),\n/* 19 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// Thank's IE8 for his funny defineProperty\n\tmodule.exports = !__webpack_require__(62)(function(){\n\t  return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7;\n\t});\n\n/***/ }),\n/* 20 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(it){\n\t  return typeof it === 'object' ? it !== null : typeof it === 'function';\n\t};\n\n/***/ }),\n/* 21 */\n/***/ (function(module, exports) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\texports.default = function (instance, Constructor) {\n\t  if (!(instance instanceof Constructor)) {\n\t    throw new TypeError(\"Cannot call a class as a function\");\n\t  }\n\t};\n\n/***/ }),\n/* 22 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\tvar _defineProperty = __webpack_require__(98);\n\t\n\tvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = function () {\n\t  function defineProperties(target, props) {\n\t    for (var i = 0; i < props.length; i++) {\n\t      var descriptor = props[i];\n\t      descriptor.enumerable = descriptor.enumerable || false;\n\t      descriptor.configurable = true;\n\t      if (\"value\" in descriptor) descriptor.writable = true;\n\t      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n\t    }\n\t  }\n\t\n\t  return function (Constructor, protoProps, staticProps) {\n\t    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n\t    if (staticProps) defineProperties(Constructor, staticProps);\n\t    return Constructor;\n\t  };\n\t}();\n\n/***/ }),\n/* 23 */\n/***/ (function(module, exports) {\n\n\t// 7.2.1 RequireObjectCoercible(argument)\n\tmodule.exports = function(it){\n\t  if(it == undefined)throw TypeError(\"Can't call method on  \" + it);\n\t  return it;\n\t};\n\n/***/ }),\n/* 24 */\n/***/ (function(module, exports) {\n\n\t// IE 8- don't enum bug keys\n\tmodule.exports = (\n\t  'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'\n\t).split(',');\n\n/***/ }),\n/* 25 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = {};\n\n/***/ }),\n/* 26 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = true;\n\n/***/ }),\n/* 27 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\n\tvar anObject    = __webpack_require__(10)\n\t  , dPs         = __webpack_require__(122)\n\t  , enumBugKeys = __webpack_require__(24)\n\t  , IE_PROTO    = __webpack_require__(30)('IE_PROTO')\n\t  , Empty       = function(){ /* empty */ }\n\t  , PROTOTYPE   = 'prototype';\n\t\n\t// Create object with fake `null` prototype: use iframe Object with cleared prototype\n\tvar createDict = function(){\n\t  // Thrash, waste and sodomy: IE GC bug\n\t  var iframe = __webpack_require__(46)('iframe')\n\t    , i      = enumBugKeys.length\n\t    , lt     = '<'\n\t    , gt     = '>'\n\t    , iframeDocument;\n\t  iframe.style.display = 'none';\n\t  __webpack_require__(115).appendChild(iframe);\n\t  iframe.src = 'javascript:'; // eslint-disable-line no-script-url\n\t  // createDict = iframe.contentWindow.Object;\n\t  // html.removeChild(iframe);\n\t  iframeDocument = iframe.contentWindow.document;\n\t  iframeDocument.open();\n\t  iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);\n\t  iframeDocument.close();\n\t  createDict = iframeDocument.F;\n\t  while(i--)delete createDict[PROTOTYPE][enumBugKeys[i]];\n\t  return createDict();\n\t};\n\t\n\tmodule.exports = Object.create || function create(O, Properties){\n\t  var result;\n\t  if(O !== null){\n\t    Empty[PROTOTYPE] = anObject(O);\n\t    result = new Empty;\n\t    Empty[PROTOTYPE] = null;\n\t    // add \"__proto__\" for Object.getPrototypeOf polyfill\n\t    result[IE_PROTO] = O;\n\t  } else result = createDict();\n\t  return Properties === undefined ? result : dPs(result, Properties);\n\t};\n\n\n/***/ }),\n/* 28 */\n/***/ (function(module, exports) {\n\n\texports.f = {}.propertyIsEnumerable;\n\n/***/ }),\n/* 29 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar def = __webpack_require__(5).f\n\t  , has = __webpack_require__(4)\n\t  , TAG = __webpack_require__(9)('toStringTag');\n\t\n\tmodule.exports = function(it, tag, stat){\n\t  if(it && !has(it = stat ? it : it.prototype, TAG))def(it, TAG, {configurable: true, value: tag});\n\t};\n\n/***/ }),\n/* 30 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar shared = __webpack_require__(31)('keys')\n\t  , uid    = __webpack_require__(17);\n\tmodule.exports = function(key){\n\t  return shared[key] || (shared[key] = uid(key));\n\t};\n\n/***/ }),\n/* 31 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar global = __webpack_require__(2)\n\t  , SHARED = '__core-js_shared__'\n\t  , store  = global[SHARED] || (global[SHARED] = {});\n\tmodule.exports = function(key){\n\t  return store[key] || (store[key] = {});\n\t};\n\n/***/ }),\n/* 32 */\n/***/ (function(module, exports) {\n\n\t// 7.1.4 ToInteger\n\tvar ceil  = Math.ceil\n\t  , floor = Math.floor;\n\tmodule.exports = function(it){\n\t  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);\n\t};\n\n/***/ }),\n/* 33 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 7.1.1 ToPrimitive(input [, PreferredType])\n\tvar isObject = __webpack_require__(12);\n\t// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n\t// and the second argument - flag - preferred type is a string\n\tmodule.exports = function(it, S){\n\t  if(!isObject(it))return it;\n\t  var fn, val;\n\t  if(S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n\t  if(typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it)))return val;\n\t  if(!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n\t  throw TypeError(\"Can't convert object to primitive value\");\n\t};\n\n/***/ }),\n/* 34 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar global         = __webpack_require__(2)\n\t  , core           = __webpack_require__(1)\n\t  , LIBRARY        = __webpack_require__(26)\n\t  , wksExt         = __webpack_require__(35)\n\t  , defineProperty = __webpack_require__(5).f;\n\tmodule.exports = function(name){\n\t  var $Symbol = core.Symbol || (core.Symbol = LIBRARY ? {} : global.Symbol || {});\n\t  if(name.charAt(0) != '_' && !(name in $Symbol))defineProperty($Symbol, name, {value: wksExt.f(name)});\n\t};\n\n/***/ }),\n/* 35 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\texports.f = __webpack_require__(9);\n\n/***/ }),\n/* 36 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(it){\n\t  return typeof it === 'object' ? it !== null : typeof it === 'function';\n\t};\n\n/***/ }),\n/* 37 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(it){\n\t  return typeof it === 'object' ? it !== null : typeof it === 'function';\n\t};\n\n/***/ }),\n/* 38 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tvar _radioComponent = __webpack_require__(80);\n\t\n\tvar _radioComponent2 = _interopRequireDefault(_radioComponent);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tangular.module('oui.radio', []).component('ouiRadio', _radioComponent2.default);\n\n/***/ }),\n/* 39 */\n/***/ (function(module, exports) {\n\n\tvar core = module.exports = {version: '2.4.0'};\n\tif(typeof __e == 'number')__e = core; // eslint-disable-line no-undef\n\n/***/ }),\n/* 40 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(exec){\n\t  try {\n\t    return !!exec();\n\t  } catch(e){\n\t    return true;\n\t  }\n\t};\n\n/***/ }),\n/* 41 */\n/***/ (function(module, exports) {\n\n\t// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\n\tvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n\t  ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();\n\tif(typeof __g == 'number')__g = global; // eslint-disable-line no-undef\n\n/***/ }),\n/* 42 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar anObject       = __webpack_require__(87)\n\t  , IE8_DOM_DEFINE = __webpack_require__(92)\n\t  , toPrimitive    = __webpack_require__(94)\n\t  , dP             = Object.defineProperty;\n\t\n\texports.f = __webpack_require__(14) ? Object.defineProperty : function defineProperty(O, P, Attributes){\n\t  anObject(O);\n\t  P = toPrimitive(P, true);\n\t  anObject(Attributes);\n\t  if(IE8_DOM_DEFINE)try {\n\t    return dP(O, P, Attributes);\n\t  } catch(e){ /* empty */ }\n\t  if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!');\n\t  if('value' in Attributes)O[P] = Attributes.value;\n\t  return O;\n\t};\n\n/***/ }),\n/* 43 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\tvar _iterator = __webpack_require__(102);\n\t\n\tvar _iterator2 = _interopRequireDefault(_iterator);\n\t\n\tvar _symbol = __webpack_require__(101);\n\t\n\tvar _symbol2 = _interopRequireDefault(_symbol);\n\t\n\tvar _typeof = typeof _symbol2.default === \"function\" && typeof _iterator2.default === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof _symbol2.default === \"function\" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? \"symbol\" : typeof obj; };\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = typeof _symbol2.default === \"function\" && _typeof(_iterator2.default) === \"symbol\" ? function (obj) {\n\t  return typeof obj === \"undefined\" ? \"undefined\" : _typeof(obj);\n\t} : function (obj) {\n\t  return obj && typeof _symbol2.default === \"function\" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? \"symbol\" : typeof obj === \"undefined\" ? \"undefined\" : _typeof(obj);\n\t};\n\n/***/ }),\n/* 44 */\n/***/ (function(module, exports) {\n\n\tvar toString = {}.toString;\n\t\n\tmodule.exports = function(it){\n\t  return toString.call(it).slice(8, -1);\n\t};\n\n/***/ }),\n/* 45 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// optional / simple context binding\n\tvar aFunction = __webpack_require__(111);\n\tmodule.exports = function(fn, that, length){\n\t  aFunction(fn);\n\t  if(that === undefined)return fn;\n\t  switch(length){\n\t    case 1: return function(a){\n\t      return fn.call(that, a);\n\t    };\n\t    case 2: return function(a, b){\n\t      return fn.call(that, a, b);\n\t    };\n\t    case 3: return function(a, b, c){\n\t      return fn.call(that, a, b, c);\n\t    };\n\t  }\n\t  return function(/* ...args */){\n\t    return fn.apply(that, arguments);\n\t  };\n\t};\n\n/***/ }),\n/* 46 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar isObject = __webpack_require__(12)\n\t  , document = __webpack_require__(2).document\n\t  // in old IE typeof document.createElement is 'object'\n\t  , is = isObject(document) && isObject(document.createElement);\n\tmodule.exports = function(it){\n\t  return is ? document.createElement(it) : {};\n\t};\n\n/***/ }),\n/* 47 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = !__webpack_require__(3) && !__webpack_require__(11)(function(){\n\t  return Object.defineProperty(__webpack_require__(46)('div'), 'a', {get: function(){ return 7; }}).a != 7;\n\t});\n\n/***/ }),\n/* 48 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\tvar LIBRARY        = __webpack_require__(26)\n\t  , $export        = __webpack_require__(7)\n\t  , redefine       = __webpack_require__(54)\n\t  , hide           = __webpack_require__(8)\n\t  , has            = __webpack_require__(4)\n\t  , Iterators      = __webpack_require__(25)\n\t  , $iterCreate    = __webpack_require__(118)\n\t  , setToStringTag = __webpack_require__(29)\n\t  , getPrototypeOf = __webpack_require__(52)\n\t  , ITERATOR       = __webpack_require__(9)('iterator')\n\t  , BUGGY          = !([].keys && 'next' in [].keys()) // Safari has buggy iterators w/o `next`\n\t  , FF_ITERATOR    = '@@iterator'\n\t  , KEYS           = 'keys'\n\t  , VALUES         = 'values';\n\t\n\tvar returnThis = function(){ return this; };\n\t\n\tmodule.exports = function(Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED){\n\t  $iterCreate(Constructor, NAME, next);\n\t  var getMethod = function(kind){\n\t    if(!BUGGY && kind in proto)return proto[kind];\n\t    switch(kind){\n\t      case KEYS: return function keys(){ return new Constructor(this, kind); };\n\t      case VALUES: return function values(){ return new Constructor(this, kind); };\n\t    } return function entries(){ return new Constructor(this, kind); };\n\t  };\n\t  var TAG        = NAME + ' Iterator'\n\t    , DEF_VALUES = DEFAULT == VALUES\n\t    , VALUES_BUG = false\n\t    , proto      = Base.prototype\n\t    , $native    = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT]\n\t    , $default   = $native || getMethod(DEFAULT)\n\t    , $entries   = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined\n\t    , $anyNative = NAME == 'Array' ? proto.entries || $native : $native\n\t    , methods, key, IteratorPrototype;\n\t  // Fix native\n\t  if($anyNative){\n\t    IteratorPrototype = getPrototypeOf($anyNative.call(new Base));\n\t    if(IteratorPrototype !== Object.prototype){\n\t      // Set @@toStringTag to native iterators\n\t      setToStringTag(IteratorPrototype, TAG, true);\n\t      // fix for some old engines\n\t      if(!LIBRARY && !has(IteratorPrototype, ITERATOR))hide(IteratorPrototype, ITERATOR, returnThis);\n\t    }\n\t  }\n\t  // fix Array#{values, @@iterator}.name in V8 / FF\n\t  if(DEF_VALUES && $native && $native.name !== VALUES){\n\t    VALUES_BUG = true;\n\t    $default = function values(){ return $native.call(this); };\n\t  }\n\t  // Define iterator\n\t  if((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])){\n\t    hide(proto, ITERATOR, $default);\n\t  }\n\t  // Plug for library\n\t  Iterators[NAME] = $default;\n\t  Iterators[TAG]  = returnThis;\n\t  if(DEFAULT){\n\t    methods = {\n\t      values:  DEF_VALUES ? $default : getMethod(VALUES),\n\t      keys:    IS_SET     ? $default : getMethod(KEYS),\n\t      entries: $entries\n\t    };\n\t    if(FORCED)for(key in methods){\n\t      if(!(key in proto))redefine(proto, key, methods[key]);\n\t    } else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods);\n\t  }\n\t  return methods;\n\t};\n\n/***/ }),\n/* 49 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar pIE            = __webpack_require__(28)\n\t  , createDesc     = __webpack_require__(16)\n\t  , toIObject      = __webpack_require__(6)\n\t  , toPrimitive    = __webpack_require__(33)\n\t  , has            = __webpack_require__(4)\n\t  , IE8_DOM_DEFINE = __webpack_require__(47)\n\t  , gOPD           = Object.getOwnPropertyDescriptor;\n\t\n\texports.f = __webpack_require__(3) ? gOPD : function getOwnPropertyDescriptor(O, P){\n\t  O = toIObject(O);\n\t  P = toPrimitive(P, true);\n\t  if(IE8_DOM_DEFINE)try {\n\t    return gOPD(O, P);\n\t  } catch(e){ /* empty */ }\n\t  if(has(O, P))return createDesc(!pIE.f.call(O, P), O[P]);\n\t};\n\n/***/ }),\n/* 50 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)\n\tvar $keys      = __webpack_require__(53)\n\t  , hiddenKeys = __webpack_require__(24).concat('length', 'prototype');\n\t\n\texports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O){\n\t  return $keys(O, hiddenKeys);\n\t};\n\n/***/ }),\n/* 51 */\n/***/ (function(module, exports) {\n\n\texports.f = Object.getOwnPropertySymbols;\n\n/***/ }),\n/* 52 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)\n\tvar has         = __webpack_require__(4)\n\t  , toObject    = __webpack_require__(55)\n\t  , IE_PROTO    = __webpack_require__(30)('IE_PROTO')\n\t  , ObjectProto = Object.prototype;\n\t\n\tmodule.exports = Object.getPrototypeOf || function(O){\n\t  O = toObject(O);\n\t  if(has(O, IE_PROTO))return O[IE_PROTO];\n\t  if(typeof O.constructor == 'function' && O instanceof O.constructor){\n\t    return O.constructor.prototype;\n\t  } return O instanceof Object ? ObjectProto : null;\n\t};\n\n/***/ }),\n/* 53 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar has          = __webpack_require__(4)\n\t  , toIObject    = __webpack_require__(6)\n\t  , arrayIndexOf = __webpack_require__(113)(false)\n\t  , IE_PROTO     = __webpack_require__(30)('IE_PROTO');\n\t\n\tmodule.exports = function(object, names){\n\t  var O      = toIObject(object)\n\t    , i      = 0\n\t    , result = []\n\t    , key;\n\t  for(key in O)if(key != IE_PROTO)has(O, key) && result.push(key);\n\t  // Don't enum bug & hidden keys\n\t  while(names.length > i)if(has(O, key = names[i++])){\n\t    ~arrayIndexOf(result, key) || result.push(key);\n\t  }\n\t  return result;\n\t};\n\n/***/ }),\n/* 54 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = __webpack_require__(8);\n\n/***/ }),\n/* 55 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 7.1.13 ToObject(argument)\n\tvar defined = __webpack_require__(23);\n\tmodule.exports = function(it){\n\t  return Object(defined(it));\n\t};\n\n/***/ }),\n/* 56 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(global, module) {/**\n\t * @license\n\t * Lodash <https://lodash.com/>\n\t * Copyright JS Foundation and other contributors <https://js.foundation/>\n\t * Released under MIT license <https://lodash.com/license>\n\t * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n\t * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n\t */\n\t;(function() {\n\t\n\t  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n\t  var undefined;\n\t\n\t  /** Used as the semantic version number. */\n\t  var VERSION = '4.17.4';\n\t\n\t  /** Used as the size to enable large array optimizations. */\n\t  var LARGE_ARRAY_SIZE = 200;\n\t\n\t  /** Error message constants. */\n\t  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n\t      FUNC_ERROR_TEXT = 'Expected a function';\n\t\n\t  /** Used to stand-in for `undefined` hash values. */\n\t  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\t\n\t  /** Used as the maximum memoize cache size. */\n\t  var MAX_MEMOIZE_SIZE = 500;\n\t\n\t  /** Used as the internal argument placeholder. */\n\t  var PLACEHOLDER = '__lodash_placeholder__';\n\t\n\t  /** Used to compose bitmasks for cloning. */\n\t  var CLONE_DEEP_FLAG = 1,\n\t      CLONE_FLAT_FLAG = 2,\n\t      CLONE_SYMBOLS_FLAG = 4;\n\t\n\t  /** Used to compose bitmasks for value comparisons. */\n\t  var COMPARE_PARTIAL_FLAG = 1,\n\t      COMPARE_UNORDERED_FLAG = 2;\n\t\n\t  /** Used to compose bitmasks for function metadata. */\n\t  var WRAP_BIND_FLAG = 1,\n\t      WRAP_BIND_KEY_FLAG = 2,\n\t      WRAP_CURRY_BOUND_FLAG = 4,\n\t      WRAP_CURRY_FLAG = 8,\n\t      WRAP_CURRY_RIGHT_FLAG = 16,\n\t      WRAP_PARTIAL_FLAG = 32,\n\t      WRAP_PARTIAL_RIGHT_FLAG = 64,\n\t      WRAP_ARY_FLAG = 128,\n\t      WRAP_REARG_FLAG = 256,\n\t      WRAP_FLIP_FLAG = 512;\n\t\n\t  /** Used as default options for `_.truncate`. */\n\t  var DEFAULT_TRUNC_LENGTH = 30,\n\t      DEFAULT_TRUNC_OMISSION = '...';\n\t\n\t  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n\t  var HOT_COUNT = 800,\n\t      HOT_SPAN = 16;\n\t\n\t  /** Used to indicate the type of lazy iteratees. */\n\t  var LAZY_FILTER_FLAG = 1,\n\t      LAZY_MAP_FLAG = 2,\n\t      LAZY_WHILE_FLAG = 3;\n\t\n\t  /** Used as references for various `Number` constants. */\n\t  var INFINITY = 1 / 0,\n\t      MAX_SAFE_INTEGER = 9007199254740991,\n\t      MAX_INTEGER = 1.7976931348623157e+308,\n\t      NAN = 0 / 0;\n\t\n\t  /** Used as references for the maximum length and index of an array. */\n\t  var MAX_ARRAY_LENGTH = 4294967295,\n\t      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n\t      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\t\n\t  /** Used to associate wrap methods with their bit flags. */\n\t  var wrapFlags = [\n\t    ['ary', WRAP_ARY_FLAG],\n\t    ['bind', WRAP_BIND_FLAG],\n\t    ['bindKey', WRAP_BIND_KEY_FLAG],\n\t    ['curry', WRAP_CURRY_FLAG],\n\t    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n\t    ['flip', WRAP_FLIP_FLAG],\n\t    ['partial', WRAP_PARTIAL_FLAG],\n\t    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n\t    ['rearg', WRAP_REARG_FLAG]\n\t  ];\n\t\n\t  /** `Object#toString` result references. */\n\t  var argsTag = '[object Arguments]',\n\t      arrayTag = '[object Array]',\n\t      asyncTag = '[object AsyncFunction]',\n\t      boolTag = '[object Boolean]',\n\t      dateTag = '[object Date]',\n\t      domExcTag = '[object DOMException]',\n\t      errorTag = '[object Error]',\n\t      funcTag = '[object Function]',\n\t      genTag = '[object GeneratorFunction]',\n\t      mapTag = '[object Map]',\n\t      numberTag = '[object Number]',\n\t      nullTag = '[object Null]',\n\t      objectTag = '[object Object]',\n\t      promiseTag = '[object Promise]',\n\t      proxyTag = '[object Proxy]',\n\t      regexpTag = '[object RegExp]',\n\t      setTag = '[object Set]',\n\t      stringTag = '[object String]',\n\t      symbolTag = '[object Symbol]',\n\t      undefinedTag = '[object Undefined]',\n\t      weakMapTag = '[object WeakMap]',\n\t      weakSetTag = '[object WeakSet]';\n\t\n\t  var arrayBufferTag = '[object ArrayBuffer]',\n\t      dataViewTag = '[object DataView]',\n\t      float32Tag = '[object Float32Array]',\n\t      float64Tag = '[object Float64Array]',\n\t      int8Tag = '[object Int8Array]',\n\t      int16Tag = '[object Int16Array]',\n\t      int32Tag = '[object Int32Array]',\n\t      uint8Tag = '[object Uint8Array]',\n\t      uint8ClampedTag = '[object Uint8ClampedArray]',\n\t      uint16Tag = '[object Uint16Array]',\n\t      uint32Tag = '[object Uint32Array]';\n\t\n\t  /** Used to match empty string literals in compiled template source. */\n\t  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n\t      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n\t      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\t\n\t  /** Used to match HTML entities and HTML characters. */\n\t  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n\t      reUnescapedHtml = /[&<>\"']/g,\n\t      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n\t      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\t\n\t  /** Used to match template delimiters. */\n\t  var reEscape = /<%-([\\s\\S]+?)%>/g,\n\t      reEvaluate = /<%([\\s\\S]+?)%>/g,\n\t      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\t\n\t  /** Used to match property names within property paths. */\n\t  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n\t      reIsPlainProp = /^\\w*$/,\n\t      reLeadingDot = /^\\./,\n\t      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\t\n\t  /**\n\t   * Used to match `RegExp`\n\t   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n\t   */\n\t  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n\t      reHasRegExpChar = RegExp(reRegExpChar.source);\n\t\n\t  /** Used to match leading and trailing whitespace. */\n\t  var reTrim = /^\\s+|\\s+$/g,\n\t      reTrimStart = /^\\s+/,\n\t      reTrimEnd = /\\s+$/;\n\t\n\t  /** Used to match wrap detail comments. */\n\t  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n\t      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n\t      reSplitDetails = /,? & /;\n\t\n\t  /** Used to match words composed of alphanumeric characters. */\n\t  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\t\n\t  /** Used to match backslashes in property paths. */\n\t  var reEscapeChar = /\\\\(\\\\)?/g;\n\t\n\t  /**\n\t   * Used to match\n\t   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n\t   */\n\t  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\t\n\t  /** Used to match `RegExp` flags from their coerced string values. */\n\t  var reFlags = /\\w*$/;\n\t\n\t  /** Used to detect bad signed hexadecimal string values. */\n\t  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\t\n\t  /** Used to detect binary string values. */\n\t  var reIsBinary = /^0b[01]+$/i;\n\t\n\t  /** Used to detect host constructors (Safari). */\n\t  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\t\n\t  /** Used to detect octal string values. */\n\t  var reIsOctal = /^0o[0-7]+$/i;\n\t\n\t  /** Used to detect unsigned integer values. */\n\t  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\t\n\t  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n\t  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\t\n\t  /** Used to ensure capturing order of template delimiters. */\n\t  var reNoMatch = /($^)/;\n\t\n\t  /** Used to match unescaped characters in compiled string literals. */\n\t  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\t\n\t  /** Used to compose unicode character classes. */\n\t  var rsAstralRange = '\\\\ud800-\\\\udfff',\n\t      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n\t      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n\t      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n\t      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n\t      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n\t      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n\t      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n\t      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n\t      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n\t      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n\t      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n\t      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n\t      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\t\n\t  /** Used to compose unicode capture groups. */\n\t  var rsApos = \"['\\u2019]\",\n\t      rsAstral = '[' + rsAstralRange + ']',\n\t      rsBreak = '[' + rsBreakRange + ']',\n\t      rsCombo = '[' + rsComboRange + ']',\n\t      rsDigits = '\\\\d+',\n\t      rsDingbat = '[' + rsDingbatRange + ']',\n\t      rsLower = '[' + rsLowerRange + ']',\n\t      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n\t      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n\t      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n\t      rsNonAstral = '[^' + rsAstralRange + ']',\n\t      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n\t      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n\t      rsUpper = '[' + rsUpperRange + ']',\n\t      rsZWJ = '\\\\u200d';\n\t\n\t  /** Used to compose unicode regexes. */\n\t  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n\t      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n\t      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n\t      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n\t      reOptMod = rsModifier + '?',\n\t      rsOptVar = '[' + rsVarRange + ']?',\n\t      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n\t      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n\t      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n\t      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n\t      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n\t      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\t\n\t  /** Used to match apostrophes. */\n\t  var reApos = RegExp(rsApos, 'g');\n\t\n\t  /**\n\t   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n\t   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n\t   */\n\t  var reComboMark = RegExp(rsCombo, 'g');\n\t\n\t  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n\t  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\t\n\t  /** Used to match complex or compound words. */\n\t  var reUnicodeWord = RegExp([\n\t    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n\t    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n\t    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n\t    rsUpper + '+' + rsOptContrUpper,\n\t    rsOrdUpper,\n\t    rsOrdLower,\n\t    rsDigits,\n\t    rsEmoji\n\t  ].join('|'), 'g');\n\t\n\t  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n\t  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\t\n\t  /** Used to detect strings that need a more robust regexp to match words. */\n\t  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\t\n\t  /** Used to assign default `context` object properties. */\n\t  var contextProps = [\n\t    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n\t    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n\t    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n\t    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n\t    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n\t  ];\n\t\n\t  /** Used to make template sourceURLs easier to identify. */\n\t  var templateCounter = -1;\n\t\n\t  /** Used to identify `toStringTag` values of typed arrays. */\n\t  var typedArrayTags = {};\n\t  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n\t  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n\t  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n\t  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n\t  typedArrayTags[uint32Tag] = true;\n\t  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n\t  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n\t  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n\t  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n\t  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n\t  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n\t  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n\t  typedArrayTags[weakMapTag] = false;\n\t\n\t  /** Used to identify `toStringTag` values supported by `_.clone`. */\n\t  var cloneableTags = {};\n\t  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n\t  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n\t  cloneableTags[boolTag] = cloneableTags[dateTag] =\n\t  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n\t  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n\t  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n\t  cloneableTags[numberTag] = cloneableTags[objectTag] =\n\t  cloneableTags[regexpTag] = cloneableTags[setTag] =\n\t  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n\t  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n\t  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n\t  cloneableTags[errorTag] = cloneableTags[funcTag] =\n\t  cloneableTags[weakMapTag] = false;\n\t\n\t  /** Used to map Latin Unicode letters to basic Latin letters. */\n\t  var deburredLetters = {\n\t    // Latin-1 Supplement block.\n\t    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n\t    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n\t    '\\xc7': 'C',  '\\xe7': 'c',\n\t    '\\xd0': 'D',  '\\xf0': 'd',\n\t    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n\t    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n\t    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n\t    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n\t    '\\xd1': 'N',  '\\xf1': 'n',\n\t    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n\t    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n\t    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n\t    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n\t    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n\t    '\\xc6': 'Ae', '\\xe6': 'ae',\n\t    '\\xde': 'Th', '\\xfe': 'th',\n\t    '\\xdf': 'ss',\n\t    // Latin Extended-A block.\n\t    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n\t    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n\t    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n\t    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n\t    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n\t    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n\t    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n\t    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n\t    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n\t    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n\t    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n\t    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n\t    '\\u0134': 'J',  '\\u0135': 'j',\n\t    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n\t    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n\t    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n\t    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n\t    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n\t    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n\t    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n\t    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n\t    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n\t    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n\t    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n\t    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n\t    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n\t    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n\t    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n\t    '\\u0174': 'W',  '\\u0175': 'w',\n\t    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n\t    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n\t    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n\t    '\\u0132': 'IJ', '\\u0133': 'ij',\n\t    '\\u0152': 'Oe', '\\u0153': 'oe',\n\t    '\\u0149': \"'n\", '\\u017f': 's'\n\t  };\n\t\n\t  /** Used to map characters to HTML entities. */\n\t  var htmlEscapes = {\n\t    '&': '&amp;',\n\t    '<': '&lt;',\n\t    '>': '&gt;',\n\t    '\"': '&quot;',\n\t    \"'\": '&#39;'\n\t  };\n\t\n\t  /** Used to map HTML entities to characters. */\n\t  var htmlUnescapes = {\n\t    '&amp;': '&',\n\t    '&lt;': '<',\n\t    '&gt;': '>',\n\t    '&quot;': '\"',\n\t    '&#39;': \"'\"\n\t  };\n\t\n\t  /** Used to escape characters for inclusion in compiled string literals. */\n\t  var stringEscapes = {\n\t    '\\\\': '\\\\',\n\t    \"'\": \"'\",\n\t    '\\n': 'n',\n\t    '\\r': 'r',\n\t    '\\u2028': 'u2028',\n\t    '\\u2029': 'u2029'\n\t  };\n\t\n\t  /** Built-in method references without a dependency on `root`. */\n\t  var freeParseFloat = parseFloat,\n\t      freeParseInt = parseInt;\n\t\n\t  /** Detect free variable `global` from Node.js. */\n\t  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\t\n\t  /** Detect free variable `self`. */\n\t  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\t\n\t  /** Used as a reference to the global object. */\n\t  var root = freeGlobal || freeSelf || Function('return this')();\n\t\n\t  /** Detect free variable `exports`. */\n\t  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\t\n\t  /** Detect free variable `module`. */\n\t  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\t\n\t  /** Detect the popular CommonJS extension `module.exports`. */\n\t  var moduleExports = freeModule && freeModule.exports === freeExports;\n\t\n\t  /** Detect free variable `process` from Node.js. */\n\t  var freeProcess = moduleExports && freeGlobal.process;\n\t\n\t  /** Used to access faster Node.js helpers. */\n\t  var nodeUtil = (function() {\n\t    try {\n\t      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n\t    } catch (e) {}\n\t  }());\n\t\n\t  /* Node.js helper references. */\n\t  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n\t      nodeIsDate = nodeUtil && nodeUtil.isDate,\n\t      nodeIsMap = nodeUtil && nodeUtil.isMap,\n\t      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n\t      nodeIsSet = nodeUtil && nodeUtil.isSet,\n\t      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  /**\n\t   * Adds the key-value `pair` to `map`.\n\t   *\n\t   * @private\n\t   * @param {Object} map The map to modify.\n\t   * @param {Array} pair The key-value pair to add.\n\t   * @returns {Object} Returns `map`.\n\t   */\n\t  function addMapEntry(map, pair) {\n\t    // Don't return `map.set` because it's not chainable in IE 11.\n\t    map.set(pair[0], pair[1]);\n\t    return map;\n\t  }\n\t\n\t  /**\n\t   * Adds `value` to `set`.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to modify.\n\t   * @param {*} value The value to add.\n\t   * @returns {Object} Returns `set`.\n\t   */\n\t  function addSetEntry(set, value) {\n\t    // Don't return `set.add` because it's not chainable in IE 11.\n\t    set.add(value);\n\t    return set;\n\t  }\n\t\n\t  /**\n\t   * A faster alternative to `Function#apply`, this function invokes `func`\n\t   * with the `this` binding of `thisArg` and the arguments of `args`.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to invoke.\n\t   * @param {*} thisArg The `this` binding of `func`.\n\t   * @param {Array} args The arguments to invoke `func` with.\n\t   * @returns {*} Returns the result of `func`.\n\t   */\n\t  function apply(func, thisArg, args) {\n\t    switch (args.length) {\n\t      case 0: return func.call(thisArg);\n\t      case 1: return func.call(thisArg, args[0]);\n\t      case 2: return func.call(thisArg, args[0], args[1]);\n\t      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n\t    }\n\t    return func.apply(thisArg, args);\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `baseAggregator` for arrays.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} setter The function to set `accumulator` values.\n\t   * @param {Function} iteratee The iteratee to transform keys.\n\t   * @param {Object} accumulator The initial aggregated object.\n\t   * @returns {Function} Returns `accumulator`.\n\t   */\n\t  function arrayAggregator(array, setter, iteratee, accumulator) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      setter(accumulator, value, iteratee(value), array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.forEach` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayEach(array, iteratee) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (iteratee(array[index], index, array) === false) {\n\t        break;\n\t      }\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.forEachRight` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayEachRight(array, iteratee) {\n\t    var length = array == null ? 0 : array.length;\n\t\n\t    while (length--) {\n\t      if (iteratee(array[length], length, array) === false) {\n\t        break;\n\t      }\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.every` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t   *  else `false`.\n\t   */\n\t  function arrayEvery(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (!predicate(array[index], index, array)) {\n\t        return false;\n\t      }\n\t    }\n\t    return true;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.filter` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {Array} Returns the new filtered array.\n\t   */\n\t  function arrayFilter(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length,\n\t        resIndex = 0,\n\t        result = [];\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      if (predicate(value, index, array)) {\n\t        result[resIndex++] = value;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.includes` for arrays without support for\n\t   * specifying an index to search from.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to inspect.\n\t   * @param {*} target The value to search for.\n\t   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n\t   */\n\t  function arrayIncludes(array, value) {\n\t    var length = array == null ? 0 : array.length;\n\t    return !!length && baseIndexOf(array, value, 0) > -1;\n\t  }\n\t\n\t  /**\n\t   * This function is like `arrayIncludes` except that it accepts a comparator.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to inspect.\n\t   * @param {*} target The value to search for.\n\t   * @param {Function} comparator The comparator invoked per element.\n\t   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n\t   */\n\t  function arrayIncludesWith(array, value, comparator) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (comparator(value, array[index])) {\n\t        return true;\n\t      }\n\t    }\n\t    return false;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.map` for arrays without support for iteratee\n\t   * shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns the new mapped array.\n\t   */\n\t  function arrayMap(array, iteratee) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length,\n\t        result = Array(length);\n\t\n\t    while (++index < length) {\n\t      result[index] = iteratee(array[index], index, array);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Appends the elements of `values` to `array`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to modify.\n\t   * @param {Array} values The values to append.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayPush(array, values) {\n\t    var index = -1,\n\t        length = values.length,\n\t        offset = array.length;\n\t\n\t    while (++index < length) {\n\t      array[offset + index] = values[index];\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.reduce` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} [accumulator] The initial value.\n\t   * @param {boolean} [initAccum] Specify using the first element of `array` as\n\t   *  the initial value.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function arrayReduce(array, iteratee, accumulator, initAccum) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    if (initAccum && length) {\n\t      accumulator = array[++index];\n\t    }\n\t    while (++index < length) {\n\t      accumulator = iteratee(accumulator, array[index], index, array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.reduceRight` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} [accumulator] The initial value.\n\t   * @param {boolean} [initAccum] Specify using the last element of `array` as\n\t   *  the initial value.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n\t    var length = array == null ? 0 : array.length;\n\t    if (initAccum && length) {\n\t      accumulator = array[--length];\n\t    }\n\t    while (length--) {\n\t      accumulator = iteratee(accumulator, array[length], length, array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.some` for arrays without support for iteratee\n\t   * shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t   *  else `false`.\n\t   */\n\t  function arraySome(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (predicate(array[index], index, array)) {\n\t        return true;\n\t      }\n\t    }\n\t    return false;\n\t  }\n\t\n\t  /**\n\t   * Gets the size of an ASCII `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  var asciiSize = baseProperty('length');\n\t\n\t  /**\n\t   * Converts an ASCII `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function asciiToArray(string) {\n\t    return string.split('');\n\t  }\n\t\n\t  /**\n\t   * Splits an ASCII `string` into an array of its words.\n\t   *\n\t   * @private\n\t   * @param {string} The string to inspect.\n\t   * @returns {Array} Returns the words of `string`.\n\t   */\n\t  function asciiWords(string) {\n\t    return string.match(reAsciiWord) || [];\n\t  }\n\t\n\t  /**\n\t   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n\t   * without support for iteratee shorthands, which iterates over `collection`\n\t   * using `eachFunc`.\n\t   *\n\t   * @private\n\t   * @param {Array|Object} collection The collection to inspect.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @param {Function} eachFunc The function to iterate over `collection`.\n\t   * @returns {*} Returns the found element or its key, else `undefined`.\n\t   */\n\t  function baseFindKey(collection, predicate, eachFunc) {\n\t    var result;\n\t    eachFunc(collection, function(value, key, collection) {\n\t      if (predicate(value, key, collection)) {\n\t        result = key;\n\t        return false;\n\t      }\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n\t   * support for iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @param {boolean} [fromRight] Specify iterating from right to left.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n\t    var length = array.length,\n\t        index = fromIndex + (fromRight ? 1 : -1);\n\t\n\t    while ((fromRight ? index-- : ++index < length)) {\n\t      if (predicate(array[index], index, array)) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseIndexOf(array, value, fromIndex) {\n\t    return value === value\n\t      ? strictIndexOf(array, value, fromIndex)\n\t      : baseFindIndex(array, baseIsNaN, fromIndex);\n\t  }\n\t\n\t  /**\n\t   * This function is like `baseIndexOf` except that it accepts a comparator.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @param {Function} comparator The comparator invoked per element.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseIndexOfWith(array, value, fromIndex, comparator) {\n\t    var index = fromIndex - 1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      if (comparator(array[index], value)) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.isNaN` without support for number objects.\n\t   *\n\t   * @private\n\t   * @param {*} value The value to check.\n\t   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t   */\n\t  function baseIsNaN(value) {\n\t    return value !== value;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.mean` and `_.meanBy` without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {number} Returns the mean.\n\t   */\n\t  function baseMean(array, iteratee) {\n\t    var length = array == null ? 0 : array.length;\n\t    return length ? (baseSum(array, iteratee) / length) : NAN;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.property` without support for deep paths.\n\t   *\n\t   * @private\n\t   * @param {string} key The key of the property to get.\n\t   * @returns {Function} Returns the new accessor function.\n\t   */\n\t  function baseProperty(key) {\n\t    return function(object) {\n\t      return object == null ? undefined : object[key];\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.propertyOf` without support for deep paths.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @returns {Function} Returns the new accessor function.\n\t   */\n\t  function basePropertyOf(object) {\n\t    return function(key) {\n\t      return object == null ? undefined : object[key];\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n\t   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n\t   *\n\t   * @private\n\t   * @param {Array|Object} collection The collection to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} accumulator The initial value.\n\t   * @param {boolean} initAccum Specify using the first or last element of\n\t   *  `collection` as the initial value.\n\t   * @param {Function} eachFunc The function to iterate over `collection`.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n\t    eachFunc(collection, function(value, index, collection) {\n\t      accumulator = initAccum\n\t        ? (initAccum = false, value)\n\t        : iteratee(accumulator, value, index, collection);\n\t    });\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.sortBy` which uses `comparer` to define the\n\t   * sort order of `array` and replaces criteria objects with their corresponding\n\t   * values.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to sort.\n\t   * @param {Function} comparer The function to define sort order.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function baseSortBy(array, comparer) {\n\t    var length = array.length;\n\t\n\t    array.sort(comparer);\n\t    while (length--) {\n\t      array[length] = array[length].value;\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.sum` and `_.sumBy` without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {number} Returns the sum.\n\t   */\n\t  function baseSum(array, iteratee) {\n\t    var result,\n\t        index = -1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      var current = iteratee(array[index]);\n\t      if (current !== undefined) {\n\t        result = result === undefined ? current : (result + current);\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.times` without support for iteratee shorthands\n\t   * or max array length checks.\n\t   *\n\t   * @private\n\t   * @param {number} n The number of times to invoke `iteratee`.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns the array of results.\n\t   */\n\t  function baseTimes(n, iteratee) {\n\t    var index = -1,\n\t        result = Array(n);\n\t\n\t    while (++index < n) {\n\t      result[index] = iteratee(index);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n\t   * of key-value pairs for `object` corresponding to the property names of `props`.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @param {Array} props The property names to get values for.\n\t   * @returns {Object} Returns the key-value pairs.\n\t   */\n\t  function baseToPairs(object, props) {\n\t    return arrayMap(props, function(key) {\n\t      return [key, object[key]];\n\t    });\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.unary` without support for storing metadata.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to cap arguments for.\n\t   * @returns {Function} Returns the new capped function.\n\t   */\n\t  function baseUnary(func) {\n\t    return function(value) {\n\t      return func(value);\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.values` and `_.valuesIn` which creates an\n\t   * array of `object` property values corresponding to the property names\n\t   * of `props`.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @param {Array} props The property names to get values for.\n\t   * @returns {Object} Returns the array of property values.\n\t   */\n\t  function baseValues(object, props) {\n\t    return arrayMap(props, function(key) {\n\t      return object[key];\n\t    });\n\t  }\n\t\n\t  /**\n\t   * Checks if a `cache` value for `key` exists.\n\t   *\n\t   * @private\n\t   * @param {Object} cache The cache to query.\n\t   * @param {string} key The key of the entry to check.\n\t   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t   */\n\t  function cacheHas(cache, key) {\n\t    return cache.has(key);\n\t  }\n\t\n\t  /**\n\t   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n\t   * that is not found in the character symbols.\n\t   *\n\t   * @private\n\t   * @param {Array} strSymbols The string symbols to inspect.\n\t   * @param {Array} chrSymbols The character symbols to find.\n\t   * @returns {number} Returns the index of the first unmatched string symbol.\n\t   */\n\t  function charsStartIndex(strSymbols, chrSymbols) {\n\t    var index = -1,\n\t        length = strSymbols.length;\n\t\n\t    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n\t   * that is not found in the character symbols.\n\t   *\n\t   * @private\n\t   * @param {Array} strSymbols The string symbols to inspect.\n\t   * @param {Array} chrSymbols The character symbols to find.\n\t   * @returns {number} Returns the index of the last unmatched string symbol.\n\t   */\n\t  function charsEndIndex(strSymbols, chrSymbols) {\n\t    var index = strSymbols.length;\n\t\n\t    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Gets the number of `placeholder` occurrences in `array`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} placeholder The placeholder to search for.\n\t   * @returns {number} Returns the placeholder count.\n\t   */\n\t  function countHolders(array, placeholder) {\n\t    var length = array.length,\n\t        result = 0;\n\t\n\t    while (length--) {\n\t      if (array[length] === placeholder) {\n\t        ++result;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n\t   * letters to basic Latin letters.\n\t   *\n\t   * @private\n\t   * @param {string} letter The matched letter to deburr.\n\t   * @returns {string} Returns the deburred letter.\n\t   */\n\t  var deburrLetter = basePropertyOf(deburredLetters);\n\t\n\t  /**\n\t   * Used by `_.escape` to convert characters to HTML entities.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to escape.\n\t   * @returns {string} Returns the escaped character.\n\t   */\n\t  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\t\n\t  /**\n\t   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to escape.\n\t   * @returns {string} Returns the escaped character.\n\t   */\n\t  function escapeStringChar(chr) {\n\t    return '\\\\' + stringEscapes[chr];\n\t  }\n\t\n\t  /**\n\t   * Gets the value at `key` of `object`.\n\t   *\n\t   * @private\n\t   * @param {Object} [object] The object to query.\n\t   * @param {string} key The key of the property to get.\n\t   * @returns {*} Returns the property value.\n\t   */\n\t  function getValue(object, key) {\n\t    return object == null ? undefined : object[key];\n\t  }\n\t\n\t  /**\n\t   * Checks if `string` contains Unicode symbols.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n\t   */\n\t  function hasUnicode(string) {\n\t    return reHasUnicode.test(string);\n\t  }\n\t\n\t  /**\n\t   * Checks if `string` contains a word composed of Unicode symbols.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {boolean} Returns `true` if a word is found, else `false`.\n\t   */\n\t  function hasUnicodeWord(string) {\n\t    return reHasUnicodeWord.test(string);\n\t  }\n\t\n\t  /**\n\t   * Converts `iterator` to an array.\n\t   *\n\t   * @private\n\t   * @param {Object} iterator The iterator to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function iteratorToArray(iterator) {\n\t    var data,\n\t        result = [];\n\t\n\t    while (!(data = iterator.next()).done) {\n\t      result.push(data.value);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `map` to its key-value pairs.\n\t   *\n\t   * @private\n\t   * @param {Object} map The map to convert.\n\t   * @returns {Array} Returns the key-value pairs.\n\t   */\n\t  function mapToArray(map) {\n\t    var index = -1,\n\t        result = Array(map.size);\n\t\n\t    map.forEach(function(value, key) {\n\t      result[++index] = [key, value];\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Creates a unary function that invokes `func` with its argument transformed.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to wrap.\n\t   * @param {Function} transform The argument transform.\n\t   * @returns {Function} Returns the new function.\n\t   */\n\t  function overArg(func, transform) {\n\t    return function(arg) {\n\t      return func(transform(arg));\n\t    };\n\t  }\n\t\n\t  /**\n\t   * Replaces all `placeholder` elements in `array` with an internal placeholder\n\t   * and returns an array of their indexes.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to modify.\n\t   * @param {*} placeholder The placeholder to replace.\n\t   * @returns {Array} Returns the new array of placeholder indexes.\n\t   */\n\t  function replaceHolders(array, placeholder) {\n\t    var index = -1,\n\t        length = array.length,\n\t        resIndex = 0,\n\t        result = [];\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      if (value === placeholder || value === PLACEHOLDER) {\n\t        array[index] = PLACEHOLDER;\n\t        result[resIndex++] = index;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `set` to an array of its values.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to convert.\n\t   * @returns {Array} Returns the values.\n\t   */\n\t  function setToArray(set) {\n\t    var index = -1,\n\t        result = Array(set.size);\n\t\n\t    set.forEach(function(value) {\n\t      result[++index] = value;\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `set` to its value-value pairs.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to convert.\n\t   * @returns {Array} Returns the value-value pairs.\n\t   */\n\t  function setToPairs(set) {\n\t    var index = -1,\n\t        result = Array(set.size);\n\t\n\t    set.forEach(function(value) {\n\t      result[++index] = [value, value];\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.indexOf` which performs strict equality\n\t   * comparisons of values, i.e. `===`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function strictIndexOf(array, value, fromIndex) {\n\t    var index = fromIndex - 1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      if (array[index] === value) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.lastIndexOf` which performs strict equality\n\t   * comparisons of values, i.e. `===`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function strictLastIndexOf(array, value, fromIndex) {\n\t    var index = fromIndex + 1;\n\t    while (index--) {\n\t      if (array[index] === value) {\n\t        return index;\n\t      }\n\t    }\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Gets the number of symbols in `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  function stringSize(string) {\n\t    return hasUnicode(string)\n\t      ? unicodeSize(string)\n\t      : asciiSize(string);\n\t  }\n\t\n\t  /**\n\t   * Converts `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function stringToArray(string) {\n\t    return hasUnicode(string)\n\t      ? unicodeToArray(string)\n\t      : asciiToArray(string);\n\t  }\n\t\n\t  /**\n\t   * Used by `_.unescape` to convert HTML entities to characters.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to unescape.\n\t   * @returns {string} Returns the unescaped character.\n\t   */\n\t  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\t\n\t  /**\n\t   * Gets the size of a Unicode `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  function unicodeSize(string) {\n\t    var result = reUnicode.lastIndex = 0;\n\t    while (reUnicode.test(string)) {\n\t      ++result;\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts a Unicode `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function unicodeToArray(string) {\n\t    return string.match(reUnicode) || [];\n\t  }\n\t\n\t  /**\n\t   * Splits a Unicode `string` into an array of its words.\n\t   *\n\t   * @private\n\t   * @param {string} The string to inspect.\n\t   * @returns {Array} Returns the words of `string`.\n\t   */\n\t  function unicodeWords(string) {\n\t    return string.match(reUnicodeWord) || [];\n\t  }\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  /**\n\t   * Create a new pristine `lodash` function using the `context` object.\n\t   *\n\t   * @static\n\t   * @memberOf _\n\t   * @since 1.1.0\n\t   * @category Util\n\t   * @param {Object} [context=root] The context object.\n\t   * @returns {Function} Returns a new `lodash` function.\n\t   * @example\n\t   *\n\t   * _.mixin({ 'foo': _.constant('foo') });\n\t   *\n\t   * var lodash = _.runInContext();\n\t   * lodash.mixin({ 'bar': lodash.constant('bar') });\n\t   *\n\t   * _.isFunction(_.foo);\n\t   * // => true\n\t   * _.isFunction(_.bar);\n\t   * // => false\n\t   *\n\t   * lodash.isFunction(lodash.foo);\n\t   * // => false\n\t   * lodash.isFunction(lodash.bar);\n\t   * // => true\n\t   *\n\t   * // Create a suped-up `defer` in Node.js.\n\t   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n\t   */\n\t  var runInContext = (function runInContext(context) {\n\t    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\t\n\t    /** Built-in constructor references. */\n\t    var Array = context.Array,\n\t        Date = context.Date,\n\t        Error = context.Error,\n\t        Function = context.Function,\n\t        Math = context.Math,\n\t        Object = context.Object,\n\t        RegExp = context.RegExp,\n\t        String = context.String,\n\t        TypeError = context.TypeError;\n\t\n\t    /** Used for built-in method references. */\n\t    var arrayProto = Array.prototype,\n\t        funcProto = Function.prototype,\n\t        objectProto = Object.prototype;\n\t\n\t    /** Used to detect overreaching core-js shims. */\n\t    var coreJsData = context['__core-js_shared__'];\n\t\n\t    /** Used to resolve the decompiled source of functions. */\n\t    var funcToString = funcProto.toString;\n\t\n\t    /** Used to check objects for own properties. */\n\t    var hasOwnProperty = objectProto.hasOwnProperty;\n\t\n\t    /** Used to generate unique IDs. */\n\t    var idCounter = 0;\n\t\n\t    /** Used to detect methods masquerading as native. */\n\t    var maskSrcKey = (function() {\n\t      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n\t      return uid ? ('Symbol(src)_1.' + uid) : '';\n\t    }());\n\t\n\t    /**\n\t     * Used to resolve the\n\t     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n\t     * of values.\n\t     */\n\t    var nativeObjectToString = objectProto.toString;\n\t\n\t    /** Used to infer the `Object` constructor. */\n\t    var objectCtorString = funcToString.call(Object);\n\t\n\t    /** Used to restore the original `_` reference in `_.noConflict`. */\n\t    var oldDash = root._;\n\t\n\t    /** Used to detect if a method is native. */\n\t    var reIsNative = RegExp('^' +\n\t      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n\t      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n\t    );\n\t\n\t    /** Built-in value references. */\n\t    var Buffer = moduleExports ? context.Buffer : undefined,\n\t        Symbol = context.Symbol,\n\t        Uint8Array = context.Uint8Array,\n\t        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n\t        getPrototype = overArg(Object.getPrototypeOf, Object),\n\t        objectCreate = Object.create,\n\t        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n\t        splice = arrayProto.splice,\n\t        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n\t        symIterator = Symbol ? Symbol.iterator : undefined,\n\t        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\t\n\t    var defineProperty = (function() {\n\t      try {\n\t        var func = getNative(Object, 'defineProperty');\n\t        func({}, '', {});\n\t        return func;\n\t      } catch (e) {}\n\t    }());\n\t\n\t    /** Mocked built-ins. */\n\t    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n\t        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n\t        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\t\n\t    /* Built-in method references for those with the same name as other `lodash` methods. */\n\t    var nativeCeil = Math.ceil,\n\t        nativeFloor = Math.floor,\n\t        nativeGetSymbols = Object.getOwnPropertySymbols,\n\t        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n\t        nativeIsFinite = context.isFinite,\n\t        nativeJoin = arrayProto.join,\n\t        nativeKeys = overArg(Object.keys, Object),\n\t        nativeMax = Math.max,\n\t        nativeMin = Math.min,\n\t        nativeNow = Date.now,\n\t        nativeParseInt = context.parseInt,\n\t        nativeRandom = Math.random,\n\t        nativeReverse = arrayProto.reverse;\n\t\n\t    /* Built-in method references that are verified to be native. */\n\t    var DataView = getNative(context, 'DataView'),\n\t        Map = getNative(context, 'Map'),\n\t        Promise = getNative(context, 'Promise'),\n\t        Set = getNative(context, 'Set'),\n\t        WeakMap = getNative(context, 'WeakMap'),\n\t        nativeCreate = getNative(Object, 'create');\n\t\n\t    /** Used to store function metadata. */\n\t    var metaMap = WeakMap && new WeakMap;\n\t\n\t    /** Used to lookup unminified function names. */\n\t    var realNames = {};\n\t\n\t    /** Used to detect maps, sets, and weakmaps. */\n\t    var dataViewCtorString = toSource(DataView),\n\t        mapCtorString = toSource(Map),\n\t        promiseCtorString = toSource(Promise),\n\t        setCtorString = toSource(Set),\n\t        weakMapCtorString = toSource(WeakMap);\n\t\n\t    /** Used to convert symbols to primitives and strings. */\n\t    var symbolProto = Symbol ? Symbol.prototype : undefined,\n\t        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n\t        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a `lodash` object which wraps `value` to enable implicit method\n\t     * chain sequences. Methods that operate on and return arrays, collections,\n\t     * and functions can be chained together. Methods that retrieve a single value\n\t     * or may return a primitive value will automatically end the chain sequence\n\t     * and return the unwrapped value. Otherwise, the value must be unwrapped\n\t     * with `_#value`.\n\t     *\n\t     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n\t     * enabled using `_.chain`.\n\t     *\n\t     * The execution of chained methods is lazy, that is, it's deferred until\n\t     * `_#value` is implicitly or explicitly called.\n\t     *\n\t     * Lazy evaluation allows several methods to support shortcut fusion.\n\t     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n\t     * the creation of intermediate arrays and can greatly reduce the number of\n\t     * iteratee executions. Sections of a chain sequence qualify for shortcut\n\t     * fusion if the section is applied to an array and iteratees accept only\n\t     * one argument. The heuristic for whether a section qualifies for shortcut\n\t     * fusion is subject to change.\n\t     *\n\t     * Chaining is supported in custom builds as long as the `_#value` method is\n\t     * directly or indirectly included in the build.\n\t     *\n\t     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n\t     *\n\t     * The wrapper `Array` methods are:\n\t     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n\t     *\n\t     * The wrapper `String` methods are:\n\t     * `replace` and `split`\n\t     *\n\t     * The wrapper methods that support shortcut fusion are:\n\t     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n\t     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n\t     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n\t     *\n\t     * The chainable wrapper methods are:\n\t     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n\t     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n\t     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n\t     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n\t     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n\t     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n\t     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n\t     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n\t     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n\t     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n\t     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n\t     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n\t     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n\t     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n\t     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n\t     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n\t     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n\t     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n\t     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n\t     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n\t     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n\t     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n\t     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n\t     * `zipObject`, `zipObjectDeep`, and `zipWith`\n\t     *\n\t     * The wrapper methods that are **not** chainable by default are:\n\t     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n\t     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n\t     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n\t     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n\t     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n\t     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n\t     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n\t     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n\t     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n\t     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n\t     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n\t     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n\t     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n\t     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n\t     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n\t     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n\t     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n\t     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n\t     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n\t     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n\t     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n\t     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n\t     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n\t     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n\t     * `upperFirst`, `value`, and `words`\n\t     *\n\t     * @name _\n\t     * @constructor\n\t     * @category Seq\n\t     * @param {*} value The value to wrap in a `lodash` instance.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var wrapped = _([1, 2, 3]);\n\t     *\n\t     * // Returns an unwrapped value.\n\t     * wrapped.reduce(_.add);\n\t     * // => 6\n\t     *\n\t     * // Returns a wrapped value.\n\t     * var squares = wrapped.map(square);\n\t     *\n\t     * _.isArray(squares);\n\t     * // => false\n\t     *\n\t     * _.isArray(squares.value());\n\t     * // => true\n\t     */\n\t    function lodash(value) {\n\t      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n\t        if (value instanceof LodashWrapper) {\n\t          return value;\n\t        }\n\t        if (hasOwnProperty.call(value, '__wrapped__')) {\n\t          return wrapperClone(value);\n\t        }\n\t      }\n\t      return new LodashWrapper(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.create` without support for assigning\n\t     * properties to the created object.\n\t     *\n\t     * @private\n\t     * @param {Object} proto The object to inherit from.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    var baseCreate = (function() {\n\t      function object() {}\n\t      return function(proto) {\n\t        if (!isObject(proto)) {\n\t          return {};\n\t        }\n\t        if (objectCreate) {\n\t          return objectCreate(proto);\n\t        }\n\t        object.prototype = proto;\n\t        var result = new object;\n\t        object.prototype = undefined;\n\t        return result;\n\t      };\n\t    }());\n\t\n\t    /**\n\t     * The function whose prototype chain sequence wrappers inherit from.\n\t     *\n\t     * @private\n\t     */\n\t    function baseLodash() {\n\t      // No operation performed.\n\t    }\n\t\n\t    /**\n\t     * The base constructor for creating `lodash` wrapper objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to wrap.\n\t     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n\t     */\n\t    function LodashWrapper(value, chainAll) {\n\t      this.__wrapped__ = value;\n\t      this.__actions__ = [];\n\t      this.__chain__ = !!chainAll;\n\t      this.__index__ = 0;\n\t      this.__values__ = undefined;\n\t    }\n\t\n\t    /**\n\t     * By default, the template delimiters used by lodash are like those in\n\t     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n\t     * following template settings to use alternative delimiters.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @type {Object}\n\t     */\n\t    lodash.templateSettings = {\n\t\n\t      /**\n\t       * Used to detect `data` property values to be HTML-escaped.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'escape': reEscape,\n\t\n\t      /**\n\t       * Used to detect code to be evaluated.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'evaluate': reEvaluate,\n\t\n\t      /**\n\t       * Used to detect `data` property values to inject.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'interpolate': reInterpolate,\n\t\n\t      /**\n\t       * Used to reference the data object in the template text.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {string}\n\t       */\n\t      'variable': '',\n\t\n\t      /**\n\t       * Used to import variables into the compiled template.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {Object}\n\t       */\n\t      'imports': {\n\t\n\t        /**\n\t         * A reference to the `lodash` function.\n\t         *\n\t         * @memberOf _.templateSettings.imports\n\t         * @type {Function}\n\t         */\n\t        '_': lodash\n\t      }\n\t    };\n\t\n\t    // Ensure wrappers are instances of `baseLodash`.\n\t    lodash.prototype = baseLodash.prototype;\n\t    lodash.prototype.constructor = lodash;\n\t\n\t    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n\t    LodashWrapper.prototype.constructor = LodashWrapper;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {*} value The value to wrap.\n\t     */\n\t    function LazyWrapper(value) {\n\t      this.__wrapped__ = value;\n\t      this.__actions__ = [];\n\t      this.__dir__ = 1;\n\t      this.__filtered__ = false;\n\t      this.__iteratees__ = [];\n\t      this.__takeCount__ = MAX_ARRAY_LENGTH;\n\t      this.__views__ = [];\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the lazy wrapper object.\n\t     *\n\t     * @private\n\t     * @name clone\n\t     * @memberOf LazyWrapper\n\t     * @returns {Object} Returns the cloned `LazyWrapper` object.\n\t     */\n\t    function lazyClone() {\n\t      var result = new LazyWrapper(this.__wrapped__);\n\t      result.__actions__ = copyArray(this.__actions__);\n\t      result.__dir__ = this.__dir__;\n\t      result.__filtered__ = this.__filtered__;\n\t      result.__iteratees__ = copyArray(this.__iteratees__);\n\t      result.__takeCount__ = this.__takeCount__;\n\t      result.__views__ = copyArray(this.__views__);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Reverses the direction of lazy iteration.\n\t     *\n\t     * @private\n\t     * @name reverse\n\t     * @memberOf LazyWrapper\n\t     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n\t     */\n\t    function lazyReverse() {\n\t      if (this.__filtered__) {\n\t        var result = new LazyWrapper(this);\n\t        result.__dir__ = -1;\n\t        result.__filtered__ = true;\n\t      } else {\n\t        result = this.clone();\n\t        result.__dir__ *= -1;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Extracts the unwrapped value from its lazy wrapper.\n\t     *\n\t     * @private\n\t     * @name value\n\t     * @memberOf LazyWrapper\n\t     * @returns {*} Returns the unwrapped value.\n\t     */\n\t    function lazyValue() {\n\t      var array = this.__wrapped__.value(),\n\t          dir = this.__dir__,\n\t          isArr = isArray(array),\n\t          isRight = dir < 0,\n\t          arrLength = isArr ? array.length : 0,\n\t          view = getView(0, arrLength, this.__views__),\n\t          start = view.start,\n\t          end = view.end,\n\t          length = end - start,\n\t          index = isRight ? end : (start - 1),\n\t          iteratees = this.__iteratees__,\n\t          iterLength = iteratees.length,\n\t          resIndex = 0,\n\t          takeCount = nativeMin(length, this.__takeCount__);\n\t\n\t      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n\t        return baseWrapperValue(array, this.__actions__);\n\t      }\n\t      var result = [];\n\t\n\t      outer:\n\t      while (length-- && resIndex < takeCount) {\n\t        index += dir;\n\t\n\t        var iterIndex = -1,\n\t            value = array[index];\n\t\n\t        while (++iterIndex < iterLength) {\n\t          var data = iteratees[iterIndex],\n\t              iteratee = data.iteratee,\n\t              type = data.type,\n\t              computed = iteratee(value);\n\t\n\t          if (type == LAZY_MAP_FLAG) {\n\t            value = computed;\n\t          } else if (!computed) {\n\t            if (type == LAZY_FILTER_FLAG) {\n\t              continue outer;\n\t            } else {\n\t              break outer;\n\t            }\n\t          }\n\t        }\n\t        result[resIndex++] = value;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n\t    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n\t    LazyWrapper.prototype.constructor = LazyWrapper;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a hash object.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function Hash(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the hash.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf Hash\n\t     */\n\t    function hashClear() {\n\t      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the hash.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf Hash\n\t     * @param {Object} hash The hash to modify.\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function hashDelete(key) {\n\t      var result = this.has(key) && delete this.__data__[key];\n\t      this.size -= result ? 1 : 0;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the hash value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function hashGet(key) {\n\t      var data = this.__data__;\n\t      if (nativeCreate) {\n\t        var result = data[key];\n\t        return result === HASH_UNDEFINED ? undefined : result;\n\t      }\n\t      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n\t    }\n\t\n\t    /**\n\t     * Checks if a hash value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function hashHas(key) {\n\t      var data = this.__data__;\n\t      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n\t    }\n\t\n\t    /**\n\t     * Sets the hash `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the hash instance.\n\t     */\n\t    function hashSet(key, value) {\n\t      var data = this.__data__;\n\t      this.size += this.has(key) ? 0 : 1;\n\t      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `Hash`.\n\t    Hash.prototype.clear = hashClear;\n\t    Hash.prototype['delete'] = hashDelete;\n\t    Hash.prototype.get = hashGet;\n\t    Hash.prototype.has = hashHas;\n\t    Hash.prototype.set = hashSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an list cache object.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function ListCache(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the list cache.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf ListCache\n\t     */\n\t    function listCacheClear() {\n\t      this.__data__ = [];\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the list cache.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function listCacheDelete(key) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      if (index < 0) {\n\t        return false;\n\t      }\n\t      var lastIndex = data.length - 1;\n\t      if (index == lastIndex) {\n\t        data.pop();\n\t      } else {\n\t        splice.call(data, index, 1);\n\t      }\n\t      --this.size;\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Gets the list cache value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function listCacheGet(key) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      return index < 0 ? undefined : data[index][1];\n\t    }\n\t\n\t    /**\n\t     * Checks if a list cache value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function listCacheHas(key) {\n\t      return assocIndexOf(this.__data__, key) > -1;\n\t    }\n\t\n\t    /**\n\t     * Sets the list cache `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the list cache instance.\n\t     */\n\t    function listCacheSet(key, value) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      if (index < 0) {\n\t        ++this.size;\n\t        data.push([key, value]);\n\t      } else {\n\t        data[index][1] = value;\n\t      }\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `ListCache`.\n\t    ListCache.prototype.clear = listCacheClear;\n\t    ListCache.prototype['delete'] = listCacheDelete;\n\t    ListCache.prototype.get = listCacheGet;\n\t    ListCache.prototype.has = listCacheHas;\n\t    ListCache.prototype.set = listCacheSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a map cache object to store key-value pairs.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function MapCache(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the map.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf MapCache\n\t     */\n\t    function mapCacheClear() {\n\t      this.size = 0;\n\t      this.__data__ = {\n\t        'hash': new Hash,\n\t        'map': new (Map || ListCache),\n\t        'string': new Hash\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the map.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function mapCacheDelete(key) {\n\t      var result = getMapData(this, key)['delete'](key);\n\t      this.size -= result ? 1 : 0;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the map value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function mapCacheGet(key) {\n\t      return getMapData(this, key).get(key);\n\t    }\n\t\n\t    /**\n\t     * Checks if a map value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function mapCacheHas(key) {\n\t      return getMapData(this, key).has(key);\n\t    }\n\t\n\t    /**\n\t     * Sets the map `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the map cache instance.\n\t     */\n\t    function mapCacheSet(key, value) {\n\t      var data = getMapData(this, key),\n\t          size = data.size;\n\t\n\t      data.set(key, value);\n\t      this.size += data.size == size ? 0 : 1;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `MapCache`.\n\t    MapCache.prototype.clear = mapCacheClear;\n\t    MapCache.prototype['delete'] = mapCacheDelete;\n\t    MapCache.prototype.get = mapCacheGet;\n\t    MapCache.prototype.has = mapCacheHas;\n\t    MapCache.prototype.set = mapCacheSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     *\n\t     * Creates an array cache object to store unique values.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [values] The values to cache.\n\t     */\n\t    function SetCache(values) {\n\t      var index = -1,\n\t          length = values == null ? 0 : values.length;\n\t\n\t      this.__data__ = new MapCache;\n\t      while (++index < length) {\n\t        this.add(values[index]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Adds `value` to the array cache.\n\t     *\n\t     * @private\n\t     * @name add\n\t     * @memberOf SetCache\n\t     * @alias push\n\t     * @param {*} value The value to cache.\n\t     * @returns {Object} Returns the cache instance.\n\t     */\n\t    function setCacheAdd(value) {\n\t      this.__data__.set(value, HASH_UNDEFINED);\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is in the array cache.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf SetCache\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns `true` if `value` is found, else `false`.\n\t     */\n\t    function setCacheHas(value) {\n\t      return this.__data__.has(value);\n\t    }\n\t\n\t    // Add methods to `SetCache`.\n\t    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n\t    SetCache.prototype.has = setCacheHas;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a stack cache object to store key-value pairs.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function Stack(entries) {\n\t      var data = this.__data__ = new ListCache(entries);\n\t      this.size = data.size;\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the stack.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf Stack\n\t     */\n\t    function stackClear() {\n\t      this.__data__ = new ListCache;\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the stack.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function stackDelete(key) {\n\t      var data = this.__data__,\n\t          result = data['delete'](key);\n\t\n\t      this.size = data.size;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the stack value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function stackGet(key) {\n\t      return this.__data__.get(key);\n\t    }\n\t\n\t    /**\n\t     * Checks if a stack value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function stackHas(key) {\n\t      return this.__data__.has(key);\n\t    }\n\t\n\t    /**\n\t     * Sets the stack `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the stack cache instance.\n\t     */\n\t    function stackSet(key, value) {\n\t      var data = this.__data__;\n\t      if (data instanceof ListCache) {\n\t        var pairs = data.__data__;\n\t        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n\t          pairs.push([key, value]);\n\t          this.size = ++data.size;\n\t          return this;\n\t        }\n\t        data = this.__data__ = new MapCache(pairs);\n\t      }\n\t      data.set(key, value);\n\t      this.size = data.size;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `Stack`.\n\t    Stack.prototype.clear = stackClear;\n\t    Stack.prototype['delete'] = stackDelete;\n\t    Stack.prototype.get = stackGet;\n\t    Stack.prototype.has = stackHas;\n\t    Stack.prototype.set = stackSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an array of the enumerable property names of the array-like `value`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @param {boolean} inherited Specify returning inherited property names.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function arrayLikeKeys(value, inherited) {\n\t      var isArr = isArray(value),\n\t          isArg = !isArr && isArguments(value),\n\t          isBuff = !isArr && !isArg && isBuffer(value),\n\t          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n\t          skipIndexes = isArr || isArg || isBuff || isType,\n\t          result = skipIndexes ? baseTimes(value.length, String) : [],\n\t          length = result.length;\n\t\n\t      for (var key in value) {\n\t        if ((inherited || hasOwnProperty.call(value, key)) &&\n\t            !(skipIndexes && (\n\t               // Safari 9 has enumerable `arguments.length` in strict mode.\n\t               key == 'length' ||\n\t               // Node.js 0.10 has enumerable non-index properties on buffers.\n\t               (isBuff && (key == 'offset' || key == 'parent')) ||\n\t               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n\t               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n\t               // Skip index properties.\n\t               isIndex(key, length)\n\t            ))) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.sample` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to sample.\n\t     * @returns {*} Returns the random element.\n\t     */\n\t    function arraySample(array) {\n\t      var length = array.length;\n\t      return length ? array[baseRandom(0, length - 1)] : undefined;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.sampleSize` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to sample.\n\t     * @param {number} n The number of elements to sample.\n\t     * @returns {Array} Returns the random elements.\n\t     */\n\t    function arraySampleSize(array, n) {\n\t      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.shuffle` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     */\n\t    function arrayShuffle(array) {\n\t      return shuffleSelf(copyArray(array));\n\t    }\n\t\n\t    /**\n\t     * This function is like `assignValue` except that it doesn't assign\n\t     * `undefined` values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function assignMergeValue(object, key, value) {\n\t      if ((value !== undefined && !eq(object[key], value)) ||\n\t          (value === undefined && !(key in object))) {\n\t        baseAssignValue(object, key, value);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function assignValue(object, key, value) {\n\t      var objValue = object[key];\n\t      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n\t          (value === undefined && !(key in object))) {\n\t        baseAssignValue(object, key, value);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Gets the index at which the `key` is found in `array` of key-value pairs.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} key The key to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     */\n\t    function assocIndexOf(array, key) {\n\t      var length = array.length;\n\t      while (length--) {\n\t        if (eq(array[length][0], key)) {\n\t          return length;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * Aggregates elements of `collection` on `accumulator` with keys transformed\n\t     * by `iteratee` and values set by `setter`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} setter The function to set `accumulator` values.\n\t     * @param {Function} iteratee The iteratee to transform keys.\n\t     * @param {Object} accumulator The initial aggregated object.\n\t     * @returns {Function} Returns `accumulator`.\n\t     */\n\t    function baseAggregator(collection, setter, iteratee, accumulator) {\n\t      baseEach(collection, function(value, key, collection) {\n\t        setter(accumulator, value, iteratee(value), collection);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.assign` without support for multiple sources\n\t     * or `customizer` functions.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseAssign(object, source) {\n\t      return object && copyObject(source, keys(source), object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.assignIn` without support for multiple sources\n\t     * or `customizer` functions.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseAssignIn(object, source) {\n\t      return object && copyObject(source, keysIn(source), object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `assignValue` and `assignMergeValue` without\n\t     * value checks.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function baseAssignValue(object, key, value) {\n\t      if (key == '__proto__' && defineProperty) {\n\t        defineProperty(object, key, {\n\t          'configurable': true,\n\t          'enumerable': true,\n\t          'value': value,\n\t          'writable': true\n\t        });\n\t      } else {\n\t        object[key] = value;\n\t      }\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.at` without support for individual paths.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @returns {Array} Returns the picked elements.\n\t     */\n\t    function baseAt(object, paths) {\n\t      var index = -1,\n\t          length = paths.length,\n\t          result = Array(length),\n\t          skip = object == null;\n\t\n\t      while (++index < length) {\n\t        result[index] = skip ? undefined : get(object, paths[index]);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.clamp` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} number The number to clamp.\n\t     * @param {number} [lower] The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the clamped number.\n\t     */\n\t    function baseClamp(number, lower, upper) {\n\t      if (number === number) {\n\t        if (upper !== undefined) {\n\t          number = number <= upper ? number : upper;\n\t        }\n\t        if (lower !== undefined) {\n\t          number = number >= lower ? number : lower;\n\t        }\n\t      }\n\t      return number;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n\t     * traversed objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to clone.\n\t     * @param {boolean} bitmask The bitmask flags.\n\t     *  1 - Deep clone\n\t     *  2 - Flatten inherited properties\n\t     *  4 - Clone symbols\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @param {string} [key] The key of `value`.\n\t     * @param {Object} [object] The parent object of `value`.\n\t     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n\t     * @returns {*} Returns the cloned value.\n\t     */\n\t    function baseClone(value, bitmask, customizer, key, object, stack) {\n\t      var result,\n\t          isDeep = bitmask & CLONE_DEEP_FLAG,\n\t          isFlat = bitmask & CLONE_FLAT_FLAG,\n\t          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\t\n\t      if (customizer) {\n\t        result = object ? customizer(value, key, object, stack) : customizer(value);\n\t      }\n\t      if (result !== undefined) {\n\t        return result;\n\t      }\n\t      if (!isObject(value)) {\n\t        return value;\n\t      }\n\t      var isArr = isArray(value);\n\t      if (isArr) {\n\t        result = initCloneArray(value);\n\t        if (!isDeep) {\n\t          return copyArray(value, result);\n\t        }\n\t      } else {\n\t        var tag = getTag(value),\n\t            isFunc = tag == funcTag || tag == genTag;\n\t\n\t        if (isBuffer(value)) {\n\t          return cloneBuffer(value, isDeep);\n\t        }\n\t        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n\t          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n\t          if (!isDeep) {\n\t            return isFlat\n\t              ? copySymbolsIn(value, baseAssignIn(result, value))\n\t              : copySymbols(value, baseAssign(result, value));\n\t          }\n\t        } else {\n\t          if (!cloneableTags[tag]) {\n\t            return object ? value : {};\n\t          }\n\t          result = initCloneByTag(value, tag, baseClone, isDeep);\n\t        }\n\t      }\n\t      // Check for circular references and return its corresponding clone.\n\t      stack || (stack = new Stack);\n\t      var stacked = stack.get(value);\n\t      if (stacked) {\n\t        return stacked;\n\t      }\n\t      stack.set(value, result);\n\t\n\t      var keysFunc = isFull\n\t        ? (isFlat ? getAllKeysIn : getAllKeys)\n\t        : (isFlat ? keysIn : keys);\n\t\n\t      var props = isArr ? undefined : keysFunc(value);\n\t      arrayEach(props || value, function(subValue, key) {\n\t        if (props) {\n\t          key = subValue;\n\t          subValue = value[key];\n\t        }\n\t        // Recursively populate clone (susceptible to call stack limits).\n\t        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.conforms` which doesn't clone `source`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseConforms(source) {\n\t      var props = keys(source);\n\t      return function(object) {\n\t        return baseConformsTo(object, source, props);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.conformsTo` which accepts `props` to check.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n\t     */\n\t    function baseConformsTo(object, source, props) {\n\t      var length = props.length;\n\t      if (object == null) {\n\t        return !length;\n\t      }\n\t      object = Object(object);\n\t      while (length--) {\n\t        var key = props[length],\n\t            predicate = source[key],\n\t            value = object[key];\n\t\n\t        if ((value === undefined && !(key in object)) || !predicate(value)) {\n\t          return false;\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n\t     * to provide to `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @param {Array} args The arguments to provide to `func`.\n\t     * @returns {number|Object} Returns the timer id or timeout object.\n\t     */\n\t    function baseDelay(func, wait, args) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      return setTimeout(function() { func.apply(undefined, args); }, wait);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.difference` without support\n\t     * for excluding multiple arrays or iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Array} values The values to exclude.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     */\n\t    function baseDifference(array, values, iteratee, comparator) {\n\t      var index = -1,\n\t          includes = arrayIncludes,\n\t          isCommon = true,\n\t          length = array.length,\n\t          result = [],\n\t          valuesLength = values.length;\n\t\n\t      if (!length) {\n\t        return result;\n\t      }\n\t      if (iteratee) {\n\t        values = arrayMap(values, baseUnary(iteratee));\n\t      }\n\t      if (comparator) {\n\t        includes = arrayIncludesWith;\n\t        isCommon = false;\n\t      }\n\t      else if (values.length >= LARGE_ARRAY_SIZE) {\n\t        includes = cacheHas;\n\t        isCommon = false;\n\t        values = new SetCache(values);\n\t      }\n\t      outer:\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee == null ? value : iteratee(value);\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (isCommon && computed === computed) {\n\t          var valuesIndex = valuesLength;\n\t          while (valuesIndex--) {\n\t            if (values[valuesIndex] === computed) {\n\t              continue outer;\n\t            }\n\t          }\n\t          result.push(value);\n\t        }\n\t        else if (!includes(values, computed, comparator)) {\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.forEach` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     */\n\t    var baseEach = createBaseEach(baseForOwn);\n\t\n\t    /**\n\t     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     */\n\t    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\t\n\t    /**\n\t     * The base implementation of `_.every` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t     *  else `false`\n\t     */\n\t    function baseEvery(collection, predicate) {\n\t      var result = true;\n\t      baseEach(collection, function(value, index, collection) {\n\t        result = !!predicate(value, index, collection);\n\t        return result;\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.max` and `_.min` which accepts a\n\t     * `comparator` to determine the extremum value.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} iteratee The iteratee invoked per iteration.\n\t     * @param {Function} comparator The comparator used to compare values.\n\t     * @returns {*} Returns the extremum value.\n\t     */\n\t    function baseExtremum(array, iteratee, comparator) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            current = iteratee(value);\n\t\n\t        if (current != null && (computed === undefined\n\t              ? (current === current && !isSymbol(current))\n\t              : comparator(current, computed)\n\t            )) {\n\t          var computed = current,\n\t              result = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.fill` without an iteratee call guard.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to fill.\n\t     * @param {*} value The value to fill `array` with.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function baseFill(array, value, start, end) {\n\t      var length = array.length;\n\t\n\t      start = toInteger(start);\n\t      if (start < 0) {\n\t        start = -start > length ? 0 : (length + start);\n\t      }\n\t      end = (end === undefined || end > length) ? length : toInteger(end);\n\t      if (end < 0) {\n\t        end += length;\n\t      }\n\t      end = start > end ? 0 : toLength(end);\n\t      while (start < end) {\n\t        array[start++] = value;\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.filter` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     */\n\t    function baseFilter(collection, predicate) {\n\t      var result = [];\n\t      baseEach(collection, function(value, index, collection) {\n\t        if (predicate(value, index, collection)) {\n\t          result.push(value);\n\t        }\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.flatten` with support for restricting flattening.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to flatten.\n\t     * @param {number} depth The maximum recursion depth.\n\t     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n\t     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n\t     * @param {Array} [result=[]] The initial result value.\n\t     * @returns {Array} Returns the new flattened array.\n\t     */\n\t    function baseFlatten(array, depth, predicate, isStrict, result) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      predicate || (predicate = isFlattenable);\n\t      result || (result = []);\n\t\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (depth > 0 && predicate(value)) {\n\t          if (depth > 1) {\n\t            // Recursively flatten arrays (susceptible to call stack limits).\n\t            baseFlatten(value, depth - 1, predicate, isStrict, result);\n\t          } else {\n\t            arrayPush(result, value);\n\t          }\n\t        } else if (!isStrict) {\n\t          result[result.length] = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `baseForOwn` which iterates over `object`\n\t     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    var baseFor = createBaseFor();\n\t\n\t    /**\n\t     * This function is like `baseFor` except that it iterates over properties\n\t     * in the opposite order.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    var baseForRight = createBaseFor(true);\n\t\n\t    /**\n\t     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseForOwn(object, iteratee) {\n\t      return object && baseFor(object, iteratee, keys);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseForOwnRight(object, iteratee) {\n\t      return object && baseForRight(object, iteratee, keys);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.functions` which creates an array of\n\t     * `object` function property names filtered from `props`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Array} props The property names to filter.\n\t     * @returns {Array} Returns the function names.\n\t     */\n\t    function baseFunctions(object, props) {\n\t      return arrayFilter(props, function(key) {\n\t        return isFunction(object[key]);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.get` without support for default values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {*} Returns the resolved value.\n\t     */\n\t    function baseGet(object, path) {\n\t      path = castPath(path, object);\n\t\n\t      var index = 0,\n\t          length = path.length;\n\t\n\t      while (object != null && index < length) {\n\t        object = object[toKey(path[index++])];\n\t      }\n\t      return (index && index == length) ? object : undefined;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n\t     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n\t     * symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n\t      var result = keysFunc(object);\n\t      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `getTag` without fallbacks for buggy environments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the `toStringTag`.\n\t     */\n\t    function baseGetTag(value) {\n\t      if (value == null) {\n\t        return value === undefined ? undefinedTag : nullTag;\n\t      }\n\t      return (symToStringTag && symToStringTag in Object(value))\n\t        ? getRawTag(value)\n\t        : objectToString(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.gt` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t     *  else `false`.\n\t     */\n\t    function baseGt(value, other) {\n\t      return value > other;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.has` without support for deep paths.\n\t     *\n\t     * @private\n\t     * @param {Object} [object] The object to query.\n\t     * @param {Array|string} key The key to check.\n\t     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n\t     */\n\t    function baseHas(object, key) {\n\t      return object != null && hasOwnProperty.call(object, key);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.hasIn` without support for deep paths.\n\t     *\n\t     * @private\n\t     * @param {Object} [object] The object to query.\n\t     * @param {Array|string} key The key to check.\n\t     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n\t     */\n\t    function baseHasIn(object, key) {\n\t      return object != null && key in Object(object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.inRange` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} number The number to check.\n\t     * @param {number} start The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t     */\n\t    function baseInRange(number, start, end) {\n\t      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.intersection`, without support\n\t     * for iteratee shorthands, that accepts an array of arrays to inspect.\n\t     *\n\t     * @private\n\t     * @param {Array} arrays The arrays to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of shared values.\n\t     */\n\t    function baseIntersection(arrays, iteratee, comparator) {\n\t      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n\t          length = arrays[0].length,\n\t          othLength = arrays.length,\n\t          othIndex = othLength,\n\t          caches = Array(othLength),\n\t          maxLength = Infinity,\n\t          result = [];\n\t\n\t      while (othIndex--) {\n\t        var array = arrays[othIndex];\n\t        if (othIndex && iteratee) {\n\t          array = arrayMap(array, baseUnary(iteratee));\n\t        }\n\t        maxLength = nativeMin(array.length, maxLength);\n\t        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n\t          ? new SetCache(othIndex && array)\n\t          : undefined;\n\t      }\n\t      array = arrays[0];\n\t\n\t      var index = -1,\n\t          seen = caches[0];\n\t\n\t      outer:\n\t      while (++index < length && result.length < maxLength) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (!(seen\n\t              ? cacheHas(seen, computed)\n\t              : includes(result, computed, comparator)\n\t            )) {\n\t          othIndex = othLength;\n\t          while (--othIndex) {\n\t            var cache = caches[othIndex];\n\t            if (!(cache\n\t                  ? cacheHas(cache, computed)\n\t                  : includes(arrays[othIndex], computed, comparator))\n\t                ) {\n\t              continue outer;\n\t            }\n\t          }\n\t          if (seen) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.invert` and `_.invertBy` which inverts\n\t     * `object` with values transformed by `iteratee` and set by `setter`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} setter The function to set `accumulator` values.\n\t     * @param {Function} iteratee The iteratee to transform values.\n\t     * @param {Object} accumulator The initial inverted object.\n\t     * @returns {Function} Returns `accumulator`.\n\t     */\n\t    function baseInverter(object, setter, iteratee, accumulator) {\n\t      baseForOwn(object, function(value, key, object) {\n\t        setter(accumulator, iteratee(value), key, object);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.invoke` without support for individual\n\t     * method arguments.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {Array} args The arguments to invoke the method with.\n\t     * @returns {*} Returns the result of the invoked method.\n\t     */\n\t    function baseInvoke(object, path, args) {\n\t      path = castPath(path, object);\n\t      object = parent(object, path);\n\t      var func = object == null ? object : object[toKey(last(path))];\n\t      return func == null ? undefined : apply(func, object, args);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isArguments`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n\t     */\n\t    function baseIsArguments(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == argsTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n\t     */\n\t    function baseIsArrayBuffer(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isDate` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n\t     */\n\t    function baseIsDate(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == dateTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isEqual` which supports partial comparisons\n\t     * and tracks traversed objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @param {boolean} bitmask The bitmask flags.\n\t     *  1 - Unordered comparison\n\t     *  2 - Partial comparison\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     */\n\t    function baseIsEqual(value, other, bitmask, customizer, stack) {\n\t      if (value === other) {\n\t        return true;\n\t      }\n\t      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n\t        return value !== value && other !== other;\n\t      }\n\t      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqual` for arrays and objects which performs\n\t     * deep comparisons and tracks traversed objects enabling objects with circular\n\t     * references to be compared.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n\t      var objIsArr = isArray(object),\n\t          othIsArr = isArray(other),\n\t          objTag = objIsArr ? arrayTag : getTag(object),\n\t          othTag = othIsArr ? arrayTag : getTag(other);\n\t\n\t      objTag = objTag == argsTag ? objectTag : objTag;\n\t      othTag = othTag == argsTag ? objectTag : othTag;\n\t\n\t      var objIsObj = objTag == objectTag,\n\t          othIsObj = othTag == objectTag,\n\t          isSameTag = objTag == othTag;\n\t\n\t      if (isSameTag && isBuffer(object)) {\n\t        if (!isBuffer(other)) {\n\t          return false;\n\t        }\n\t        objIsArr = true;\n\t        objIsObj = false;\n\t      }\n\t      if (isSameTag && !objIsObj) {\n\t        stack || (stack = new Stack);\n\t        return (objIsArr || isTypedArray(object))\n\t          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n\t          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n\t      }\n\t      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n\t        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n\t            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\t\n\t        if (objIsWrapped || othIsWrapped) {\n\t          var objUnwrapped = objIsWrapped ? object.value() : object,\n\t              othUnwrapped = othIsWrapped ? other.value() : other;\n\t\n\t          stack || (stack = new Stack);\n\t          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n\t        }\n\t      }\n\t      if (!isSameTag) {\n\t        return false;\n\t      }\n\t      stack || (stack = new Stack);\n\t      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isMap` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n\t     */\n\t    function baseIsMap(value) {\n\t      return isObjectLike(value) && getTag(value) == mapTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @param {Array} matchData The property names, values, and compare flags to match.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     */\n\t    function baseIsMatch(object, source, matchData, customizer) {\n\t      var index = matchData.length,\n\t          length = index,\n\t          noCustomizer = !customizer;\n\t\n\t      if (object == null) {\n\t        return !length;\n\t      }\n\t      object = Object(object);\n\t      while (index--) {\n\t        var data = matchData[index];\n\t        if ((noCustomizer && data[2])\n\t              ? data[1] !== object[data[0]]\n\t              : !(data[0] in object)\n\t            ) {\n\t          return false;\n\t        }\n\t      }\n\t      while (++index < length) {\n\t        data = matchData[index];\n\t        var key = data[0],\n\t            objValue = object[key],\n\t            srcValue = data[1];\n\t\n\t        if (noCustomizer && data[2]) {\n\t          if (objValue === undefined && !(key in object)) {\n\t            return false;\n\t          }\n\t        } else {\n\t          var stack = new Stack;\n\t          if (customizer) {\n\t            var result = customizer(objValue, srcValue, key, object, source, stack);\n\t          }\n\t          if (!(result === undefined\n\t                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n\t                : result\n\t              )) {\n\t            return false;\n\t          }\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isNative` without bad shim checks.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a native function,\n\t     *  else `false`.\n\t     */\n\t    function baseIsNative(value) {\n\t      if (!isObject(value) || isMasked(value)) {\n\t        return false;\n\t      }\n\t      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n\t      return pattern.test(toSource(value));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isRegExp` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n\t     */\n\t    function baseIsRegExp(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isSet` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n\t     */\n\t    function baseIsSet(value) {\n\t      return isObjectLike(value) && getTag(value) == setTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n\t     */\n\t    function baseIsTypedArray(value) {\n\t      return isObjectLike(value) &&\n\t        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.iteratee`.\n\t     *\n\t     * @private\n\t     * @param {*} [value=_.identity] The value to convert to an iteratee.\n\t     * @returns {Function} Returns the iteratee.\n\t     */\n\t    function baseIteratee(value) {\n\t      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n\t      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n\t      if (typeof value == 'function') {\n\t        return value;\n\t      }\n\t      if (value == null) {\n\t        return identity;\n\t      }\n\t      if (typeof value == 'object') {\n\t        return isArray(value)\n\t          ? baseMatchesProperty(value[0], value[1])\n\t          : baseMatches(value);\n\t      }\n\t      return property(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function baseKeys(object) {\n\t      if (!isPrototype(object)) {\n\t        return nativeKeys(object);\n\t      }\n\t      var result = [];\n\t      for (var key in Object(object)) {\n\t        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function baseKeysIn(object) {\n\t      if (!isObject(object)) {\n\t        return nativeKeysIn(object);\n\t      }\n\t      var isProto = isPrototype(object),\n\t          result = [];\n\t\n\t      for (var key in object) {\n\t        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.lt` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t     *  else `false`.\n\t     */\n\t    function baseLt(value, other) {\n\t      return value < other;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.map` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array} Returns the new mapped array.\n\t     */\n\t    function baseMap(collection, iteratee) {\n\t      var index = -1,\n\t          result = isArrayLike(collection) ? Array(collection.length) : [];\n\t\n\t      baseEach(collection, function(value, key, collection) {\n\t        result[++index] = iteratee(value, key, collection);\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.matches` which doesn't clone `source`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseMatches(source) {\n\t      var matchData = getMatchData(source);\n\t      if (matchData.length == 1 && matchData[0][2]) {\n\t        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n\t      }\n\t      return function(object) {\n\t        return object === source || baseIsMatch(object, source, matchData);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n\t     *\n\t     * @private\n\t     * @param {string} path The path of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseMatchesProperty(path, srcValue) {\n\t      if (isKey(path) && isStrictComparable(srcValue)) {\n\t        return matchesStrictComparable(toKey(path), srcValue);\n\t      }\n\t      return function(object) {\n\t        var objValue = get(object, path);\n\t        return (objValue === undefined && objValue === srcValue)\n\t          ? hasIn(object, path)\n\t          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.merge` without support for multiple sources.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @param {number} srcIndex The index of `source`.\n\t     * @param {Function} [customizer] The function to customize merged values.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     */\n\t    function baseMerge(object, source, srcIndex, customizer, stack) {\n\t      if (object === source) {\n\t        return;\n\t      }\n\t      baseFor(source, function(srcValue, key) {\n\t        if (isObject(srcValue)) {\n\t          stack || (stack = new Stack);\n\t          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n\t        }\n\t        else {\n\t          var newValue = customizer\n\t            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n\t            : undefined;\n\t\n\t          if (newValue === undefined) {\n\t            newValue = srcValue;\n\t          }\n\t          assignMergeValue(object, key, newValue);\n\t        }\n\t      }, keysIn);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseMerge` for arrays and objects which performs\n\t     * deep merges and tracks traversed objects enabling objects with circular\n\t     * references to be merged.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @param {string} key The key of the value to merge.\n\t     * @param {number} srcIndex The index of `source`.\n\t     * @param {Function} mergeFunc The function to merge values.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     */\n\t    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n\t      var objValue = object[key],\n\t          srcValue = source[key],\n\t          stacked = stack.get(srcValue);\n\t\n\t      if (stacked) {\n\t        assignMergeValue(object, key, stacked);\n\t        return;\n\t      }\n\t      var newValue = customizer\n\t        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n\t        : undefined;\n\t\n\t      var isCommon = newValue === undefined;\n\t\n\t      if (isCommon) {\n\t        var isArr = isArray(srcValue),\n\t            isBuff = !isArr && isBuffer(srcValue),\n\t            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\t\n\t        newValue = srcValue;\n\t        if (isArr || isBuff || isTyped) {\n\t          if (isArray(objValue)) {\n\t            newValue = objValue;\n\t          }\n\t          else if (isArrayLikeObject(objValue)) {\n\t            newValue = copyArray(objValue);\n\t          }\n\t          else if (isBuff) {\n\t            isCommon = false;\n\t            newValue = cloneBuffer(srcValue, true);\n\t          }\n\t          else if (isTyped) {\n\t            isCommon = false;\n\t            newValue = cloneTypedArray(srcValue, true);\n\t          }\n\t          else {\n\t            newValue = [];\n\t          }\n\t        }\n\t        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n\t          newValue = objValue;\n\t          if (isArguments(objValue)) {\n\t            newValue = toPlainObject(objValue);\n\t          }\n\t          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n\t            newValue = initCloneObject(srcValue);\n\t          }\n\t        }\n\t        else {\n\t          isCommon = false;\n\t        }\n\t      }\n\t      if (isCommon) {\n\t        // Recursively merge objects and arrays (susceptible to call stack limits).\n\t        stack.set(srcValue, newValue);\n\t        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n\t        stack['delete'](srcValue);\n\t      }\n\t      assignMergeValue(object, key, newValue);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.nth` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to query.\n\t     * @param {number} n The index of the element to return.\n\t     * @returns {*} Returns the nth element of `array`.\n\t     */\n\t    function baseNth(array, n) {\n\t      var length = array.length;\n\t      if (!length) {\n\t        return;\n\t      }\n\t      n += n < 0 ? length : 0;\n\t      return isIndex(n, length) ? array[n] : undefined;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.orderBy` without param guards.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n\t     * @param {string[]} orders The sort orders of `iteratees`.\n\t     * @returns {Array} Returns the new sorted array.\n\t     */\n\t    function baseOrderBy(collection, iteratees, orders) {\n\t      var index = -1;\n\t      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\t\n\t      var result = baseMap(collection, function(value, key, collection) {\n\t        var criteria = arrayMap(iteratees, function(iteratee) {\n\t          return iteratee(value);\n\t        });\n\t        return { 'criteria': criteria, 'index': ++index, 'value': value };\n\t      });\n\t\n\t      return baseSortBy(result, function(object, other) {\n\t        return compareMultiple(object, other, orders);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pick` without support for individual\n\t     * property identifiers.\n\t     *\n\t     * @private\n\t     * @param {Object} object The source object.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function basePick(object, paths) {\n\t      return basePickBy(object, paths, function(value, path) {\n\t        return hasIn(object, path);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The source object.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @param {Function} predicate The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function basePickBy(object, paths, predicate) {\n\t      var index = -1,\n\t          length = paths.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var path = paths[index],\n\t            value = baseGet(object, path);\n\t\n\t        if (predicate(value, path)) {\n\t          baseSet(result, castPath(path, object), value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseProperty` which supports deep paths.\n\t     *\n\t     * @private\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {Function} Returns the new accessor function.\n\t     */\n\t    function basePropertyDeep(path) {\n\t      return function(object) {\n\t        return baseGet(object, path);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pullAllBy` without support for iteratee\n\t     * shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function basePullAll(array, values, iteratee, comparator) {\n\t      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n\t          index = -1,\n\t          length = values.length,\n\t          seen = array;\n\t\n\t      if (array === values) {\n\t        values = copyArray(values);\n\t      }\n\t      if (iteratee) {\n\t        seen = arrayMap(array, baseUnary(iteratee));\n\t      }\n\t      while (++index < length) {\n\t        var fromIndex = 0,\n\t            value = values[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n\t          if (seen !== array) {\n\t            splice.call(seen, fromIndex, 1);\n\t          }\n\t          splice.call(array, fromIndex, 1);\n\t        }\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pullAt` without support for individual\n\t     * indexes or capturing the removed elements.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to modify.\n\t     * @param {number[]} indexes The indexes of elements to remove.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function basePullAt(array, indexes) {\n\t      var length = array ? indexes.length : 0,\n\t          lastIndex = length - 1;\n\t\n\t      while (length--) {\n\t        var index = indexes[length];\n\t        if (length == lastIndex || index !== previous) {\n\t          var previous = index;\n\t          if (isIndex(index)) {\n\t            splice.call(array, index, 1);\n\t          } else {\n\t            baseUnset(array, index);\n\t          }\n\t        }\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.random` without support for returning\n\t     * floating-point numbers.\n\t     *\n\t     * @private\n\t     * @param {number} lower The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the random number.\n\t     */\n\t    function baseRandom(lower, upper) {\n\t      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n\t     * coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} start The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} step The value to increment or decrement by.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Array} Returns the range of numbers.\n\t     */\n\t    function baseRange(start, end, step, fromRight) {\n\t      var index = -1,\n\t          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n\t          result = Array(length);\n\t\n\t      while (length--) {\n\t        result[fromRight ? length : ++index] = start;\n\t        start += step;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.repeat` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {string} string The string to repeat.\n\t     * @param {number} n The number of times to repeat the string.\n\t     * @returns {string} Returns the repeated string.\n\t     */\n\t    function baseRepeat(string, n) {\n\t      var result = '';\n\t      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n\t        return result;\n\t      }\n\t      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n\t      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n\t      do {\n\t        if (n % 2) {\n\t          result += string;\n\t        }\n\t        n = nativeFloor(n / 2);\n\t        if (n) {\n\t          string += string;\n\t        }\n\t      } while (n);\n\t\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function baseRest(func, start) {\n\t      return setToString(overRest(func, start, identity), func + '');\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sample`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @returns {*} Returns the random element.\n\t     */\n\t    function baseSample(collection) {\n\t      return arraySample(values(collection));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sampleSize` without param guards.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @param {number} n The number of elements to sample.\n\t     * @returns {Array} Returns the random elements.\n\t     */\n\t    function baseSampleSize(collection, n) {\n\t      var array = values(collection);\n\t      return shuffleSelf(array, baseClamp(n, 0, array.length));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.set`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @param {Function} [customizer] The function to customize path creation.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseSet(object, path, value, customizer) {\n\t      if (!isObject(object)) {\n\t        return object;\n\t      }\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length,\n\t          lastIndex = length - 1,\n\t          nested = object;\n\t\n\t      while (nested != null && ++index < length) {\n\t        var key = toKey(path[index]),\n\t            newValue = value;\n\t\n\t        if (index != lastIndex) {\n\t          var objValue = nested[key];\n\t          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n\t          if (newValue === undefined) {\n\t            newValue = isObject(objValue)\n\t              ? objValue\n\t              : (isIndex(path[index + 1]) ? [] : {});\n\t          }\n\t        }\n\t        assignValue(nested, key, newValue);\n\t        nested = nested[key];\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `setData` without support for hot loop shorting.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to associate metadata with.\n\t     * @param {*} data The metadata.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var baseSetData = !metaMap ? identity : function(func, data) {\n\t      metaMap.set(func, data);\n\t      return func;\n\t    };\n\t\n\t    /**\n\t     * The base implementation of `setToString` without support for hot loop shorting.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to modify.\n\t     * @param {Function} string The `toString` result.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var baseSetToString = !defineProperty ? identity : function(func, string) {\n\t      return defineProperty(func, 'toString', {\n\t        'configurable': true,\n\t        'enumerable': false,\n\t        'value': constant(string),\n\t        'writable': true\n\t      });\n\t    };\n\t\n\t    /**\n\t     * The base implementation of `_.shuffle`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     */\n\t    function baseShuffle(collection) {\n\t      return shuffleSelf(values(collection));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.slice` without an iteratee call guard.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to slice.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function baseSlice(array, start, end) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      if (start < 0) {\n\t        start = -start > length ? 0 : (length + start);\n\t      }\n\t      end = end > length ? length : end;\n\t      if (end < 0) {\n\t        end += length;\n\t      }\n\t      length = start > end ? 0 : ((end - start) >>> 0);\n\t      start >>>= 0;\n\t\n\t      var result = Array(length);\n\t      while (++index < length) {\n\t        result[index] = array[index + start];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.some` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t     *  else `false`.\n\t     */\n\t    function baseSome(collection, predicate) {\n\t      var result;\n\t\n\t      baseEach(collection, function(value, index, collection) {\n\t        result = predicate(value, index, collection);\n\t        return !result;\n\t      });\n\t      return !!result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n\t     * performs a binary search of `array` to determine the index at which `value`\n\t     * should be inserted into `array` in order to maintain its sort order.\n\t     *\n\t     * @private\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     */\n\t    function baseSortedIndex(array, value, retHighest) {\n\t      var low = 0,\n\t          high = array == null ? low : array.length;\n\t\n\t      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n\t        while (low < high) {\n\t          var mid = (low + high) >>> 1,\n\t              computed = array[mid];\n\t\n\t          if (computed !== null && !isSymbol(computed) &&\n\t              (retHighest ? (computed <= value) : (computed < value))) {\n\t            low = mid + 1;\n\t          } else {\n\t            high = mid;\n\t          }\n\t        }\n\t        return high;\n\t      }\n\t      return baseSortedIndexBy(array, value, identity, retHighest);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n\t     * which invokes `iteratee` for `value` and each element of `array` to compute\n\t     * their sort ranking. The iteratee is invoked with one argument; (value).\n\t     *\n\t     * @private\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} iteratee The iteratee invoked per element.\n\t     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     */\n\t    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n\t      value = iteratee(value);\n\t\n\t      var low = 0,\n\t          high = array == null ? 0 : array.length,\n\t          valIsNaN = value !== value,\n\t          valIsNull = value === null,\n\t          valIsSymbol = isSymbol(value),\n\t          valIsUndefined = value === undefined;\n\t\n\t      while (low < high) {\n\t        var mid = nativeFloor((low + high) / 2),\n\t            computed = iteratee(array[mid]),\n\t            othIsDefined = computed !== undefined,\n\t            othIsNull = computed === null,\n\t            othIsReflexive = computed === computed,\n\t            othIsSymbol = isSymbol(computed);\n\t\n\t        if (valIsNaN) {\n\t          var setLow = retHighest || othIsReflexive;\n\t        } else if (valIsUndefined) {\n\t          setLow = othIsReflexive && (retHighest || othIsDefined);\n\t        } else if (valIsNull) {\n\t          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n\t        } else if (valIsSymbol) {\n\t          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n\t        } else if (othIsNull || othIsSymbol) {\n\t          setLow = false;\n\t        } else {\n\t          setLow = retHighest ? (computed <= value) : (computed < value);\n\t        }\n\t        if (setLow) {\n\t          low = mid + 1;\n\t        } else {\n\t          high = mid;\n\t        }\n\t      }\n\t      return nativeMin(high, MAX_ARRAY_INDEX);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n\t     * support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     */\n\t    function baseSortedUniq(array, iteratee) {\n\t      var index = -1,\n\t          length = array.length,\n\t          resIndex = 0,\n\t          result = [];\n\t\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        if (!index || !eq(computed, seen)) {\n\t          var seen = computed;\n\t          result[resIndex++] = value === 0 ? 0 : value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.toNumber` which doesn't ensure correct\n\t     * conversions of binary, hexadecimal, or octal string values.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to process.\n\t     * @returns {number} Returns the number.\n\t     */\n\t    function baseToNumber(value) {\n\t      if (typeof value == 'number') {\n\t        return value;\n\t      }\n\t      if (isSymbol(value)) {\n\t        return NAN;\n\t      }\n\t      return +value;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.toString` which doesn't convert nullish\n\t     * values to empty strings.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to process.\n\t     * @returns {string} Returns the string.\n\t     */\n\t    function baseToString(value) {\n\t      // Exit early for strings to avoid a performance hit in some environments.\n\t      if (typeof value == 'string') {\n\t        return value;\n\t      }\n\t      if (isArray(value)) {\n\t        // Recursively convert values (susceptible to call stack limits).\n\t        return arrayMap(value, baseToString) + '';\n\t      }\n\t      if (isSymbol(value)) {\n\t        return symbolToString ? symbolToString.call(value) : '';\n\t      }\n\t      var result = (value + '');\n\t      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     */\n\t    function baseUniq(array, iteratee, comparator) {\n\t      var index = -1,\n\t          includes = arrayIncludes,\n\t          length = array.length,\n\t          isCommon = true,\n\t          result = [],\n\t          seen = result;\n\t\n\t      if (comparator) {\n\t        isCommon = false;\n\t        includes = arrayIncludesWith;\n\t      }\n\t      else if (length >= LARGE_ARRAY_SIZE) {\n\t        var set = iteratee ? null : createSet(array);\n\t        if (set) {\n\t          return setToArray(set);\n\t        }\n\t        isCommon = false;\n\t        includes = cacheHas;\n\t        seen = new SetCache;\n\t      }\n\t      else {\n\t        seen = iteratee ? [] : result;\n\t      }\n\t      outer:\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (isCommon && computed === computed) {\n\t          var seenIndex = seen.length;\n\t          while (seenIndex--) {\n\t            if (seen[seenIndex] === computed) {\n\t              continue outer;\n\t            }\n\t          }\n\t          if (iteratee) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t        else if (!includes(seen, computed, comparator)) {\n\t          if (seen !== result) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.unset`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The property path to unset.\n\t     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t     */\n\t    function baseUnset(object, path) {\n\t      path = castPath(path, object);\n\t      object = parent(object, path);\n\t      return object == null || delete object[toKey(last(path))];\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.update`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to update.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @param {Function} [customizer] The function to customize path creation.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseUpdate(object, path, updater, customizer) {\n\t      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n\t     * without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function baseWhile(array, predicate, isDrop, fromRight) {\n\t      var length = array.length,\n\t          index = fromRight ? length : -1;\n\t\n\t      while ((fromRight ? index-- : ++index < length) &&\n\t        predicate(array[index], index, array)) {}\n\t\n\t      return isDrop\n\t        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n\t        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `wrapperValue` which returns the result of\n\t     * performing a sequence of actions on the unwrapped `value`, where each\n\t     * successive action is supplied the return value of the previous.\n\t     *\n\t     * @private\n\t     * @param {*} value The unwrapped value.\n\t     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n\t     * @returns {*} Returns the resolved value.\n\t     */\n\t    function baseWrapperValue(value, actions) {\n\t      var result = value;\n\t      if (result instanceof LazyWrapper) {\n\t        result = result.value();\n\t      }\n\t      return arrayReduce(actions, function(result, action) {\n\t        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n\t      }, result);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.xor`, without support for\n\t     * iteratee shorthands, that accepts an array of arrays to inspect.\n\t     *\n\t     * @private\n\t     * @param {Array} arrays The arrays to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of values.\n\t     */\n\t    function baseXor(arrays, iteratee, comparator) {\n\t      var length = arrays.length;\n\t      if (length < 2) {\n\t        return length ? baseUniq(arrays[0]) : [];\n\t      }\n\t      var index = -1,\n\t          result = Array(length);\n\t\n\t      while (++index < length) {\n\t        var array = arrays[index],\n\t            othIndex = -1;\n\t\n\t        while (++othIndex < length) {\n\t          if (othIndex != index) {\n\t            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n\t          }\n\t        }\n\t      }\n\t      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n\t    }\n\t\n\t    /**\n\t     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n\t     *\n\t     * @private\n\t     * @param {Array} props The property identifiers.\n\t     * @param {Array} values The property values.\n\t     * @param {Function} assignFunc The function to assign values.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function baseZipObject(props, values, assignFunc) {\n\t      var index = -1,\n\t          length = props.length,\n\t          valsLength = values.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var value = index < valsLength ? values[index] : undefined;\n\t        assignFunc(result, props[index], value);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to an empty array if it's not an array like object.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Array|Object} Returns the cast array-like object.\n\t     */\n\t    function castArrayLikeObject(value) {\n\t      return isArrayLikeObject(value) ? value : [];\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to `identity` if it's not a function.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Function} Returns cast function.\n\t     */\n\t    function castFunction(value) {\n\t      return typeof value == 'function' ? value : identity;\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to a path array if it's not one.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @param {Object} [object] The object to query keys on.\n\t     * @returns {Array} Returns the cast property path array.\n\t     */\n\t    function castPath(value, object) {\n\t      if (isArray(value)) {\n\t        return value;\n\t      }\n\t      return isKey(value, object) ? [value] : stringToPath(toString(value));\n\t    }\n\t\n\t    /**\n\t     * A `baseRest` alias which can be replaced with `identity` by module\n\t     * replacement plugins.\n\t     *\n\t     * @private\n\t     * @type {Function}\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    var castRest = baseRest;\n\t\n\t    /**\n\t     * Casts `array` to a slice if it's needed.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {number} start The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the cast slice.\n\t     */\n\t    function castSlice(array, start, end) {\n\t      var length = array.length;\n\t      end = end === undefined ? length : end;\n\t      return (!start && end >= length) ? array : baseSlice(array, start, end);\n\t    }\n\t\n\t    /**\n\t     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n\t     *\n\t     * @private\n\t     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n\t     */\n\t    var clearTimeout = ctxClearTimeout || function(id) {\n\t      return root.clearTimeout(id);\n\t    };\n\t\n\t    /**\n\t     * Creates a clone of  `buffer`.\n\t     *\n\t     * @private\n\t     * @param {Buffer} buffer The buffer to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Buffer} Returns the cloned buffer.\n\t     */\n\t    function cloneBuffer(buffer, isDeep) {\n\t      if (isDeep) {\n\t        return buffer.slice();\n\t      }\n\t      var length = buffer.length,\n\t          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\t\n\t      buffer.copy(result);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `arrayBuffer`.\n\t     *\n\t     * @private\n\t     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n\t     * @returns {ArrayBuffer} Returns the cloned array buffer.\n\t     */\n\t    function cloneArrayBuffer(arrayBuffer) {\n\t      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n\t      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `dataView`.\n\t     *\n\t     * @private\n\t     * @param {Object} dataView The data view to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned data view.\n\t     */\n\t    function cloneDataView(dataView, isDeep) {\n\t      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n\t      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `map`.\n\t     *\n\t     * @private\n\t     * @param {Object} map The map to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned map.\n\t     */\n\t    function cloneMap(map, isDeep, cloneFunc) {\n\t      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n\t      return arrayReduce(array, addMapEntry, new map.constructor);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `regexp`.\n\t     *\n\t     * @private\n\t     * @param {Object} regexp The regexp to clone.\n\t     * @returns {Object} Returns the cloned regexp.\n\t     */\n\t    function cloneRegExp(regexp) {\n\t      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n\t      result.lastIndex = regexp.lastIndex;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `set`.\n\t     *\n\t     * @private\n\t     * @param {Object} set The set to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned set.\n\t     */\n\t    function cloneSet(set, isDeep, cloneFunc) {\n\t      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n\t      return arrayReduce(array, addSetEntry, new set.constructor);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the `symbol` object.\n\t     *\n\t     * @private\n\t     * @param {Object} symbol The symbol object to clone.\n\t     * @returns {Object} Returns the cloned symbol object.\n\t     */\n\t    function cloneSymbol(symbol) {\n\t      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `typedArray`.\n\t     *\n\t     * @private\n\t     * @param {Object} typedArray The typed array to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned typed array.\n\t     */\n\t    function cloneTypedArray(typedArray, isDeep) {\n\t      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n\t      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n\t    }\n\t\n\t    /**\n\t     * Compares values to sort them in ascending order.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {number} Returns the sort order indicator for `value`.\n\t     */\n\t    function compareAscending(value, other) {\n\t      if (value !== other) {\n\t        var valIsDefined = value !== undefined,\n\t            valIsNull = value === null,\n\t            valIsReflexive = value === value,\n\t            valIsSymbol = isSymbol(value);\n\t\n\t        var othIsDefined = other !== undefined,\n\t            othIsNull = other === null,\n\t            othIsReflexive = other === other,\n\t            othIsSymbol = isSymbol(other);\n\t\n\t        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n\t            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n\t            (valIsNull && othIsDefined && othIsReflexive) ||\n\t            (!valIsDefined && othIsReflexive) ||\n\t            !valIsReflexive) {\n\t          return 1;\n\t        }\n\t        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n\t            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n\t            (othIsNull && valIsDefined && valIsReflexive) ||\n\t            (!othIsDefined && valIsReflexive) ||\n\t            !othIsReflexive) {\n\t          return -1;\n\t        }\n\t      }\n\t      return 0;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.orderBy` to compare multiple properties of a value to another\n\t     * and stable sort them.\n\t     *\n\t     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n\t     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n\t     * of corresponding values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {boolean[]|string[]} orders The order to sort by for each property.\n\t     * @returns {number} Returns the sort order indicator for `object`.\n\t     */\n\t    function compareMultiple(object, other, orders) {\n\t      var index = -1,\n\t          objCriteria = object.criteria,\n\t          othCriteria = other.criteria,\n\t          length = objCriteria.length,\n\t          ordersLength = orders.length;\n\t\n\t      while (++index < length) {\n\t        var result = compareAscending(objCriteria[index], othCriteria[index]);\n\t        if (result) {\n\t          if (index >= ordersLength) {\n\t            return result;\n\t          }\n\t          var order = orders[index];\n\t          return result * (order == 'desc' ? -1 : 1);\n\t        }\n\t      }\n\t      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n\t      // that causes it, under certain circumstances, to provide the same value for\n\t      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n\t      // for more details.\n\t      //\n\t      // This also ensures a stable sort in V8 and other engines.\n\t      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n\t      return object.index - other.index;\n\t    }\n\t\n\t    /**\n\t     * Creates an array that is the composition of partially applied arguments,\n\t     * placeholders, and provided arguments into a single array of arguments.\n\t     *\n\t     * @private\n\t     * @param {Array} args The provided arguments.\n\t     * @param {Array} partials The arguments to prepend to those provided.\n\t     * @param {Array} holders The `partials` placeholder indexes.\n\t     * @params {boolean} [isCurried] Specify composing for a curried function.\n\t     * @returns {Array} Returns the new array of composed arguments.\n\t     */\n\t    function composeArgs(args, partials, holders, isCurried) {\n\t      var argsIndex = -1,\n\t          argsLength = args.length,\n\t          holdersLength = holders.length,\n\t          leftIndex = -1,\n\t          leftLength = partials.length,\n\t          rangeLength = nativeMax(argsLength - holdersLength, 0),\n\t          result = Array(leftLength + rangeLength),\n\t          isUncurried = !isCurried;\n\t\n\t      while (++leftIndex < leftLength) {\n\t        result[leftIndex] = partials[leftIndex];\n\t      }\n\t      while (++argsIndex < holdersLength) {\n\t        if (isUncurried || argsIndex < argsLength) {\n\t          result[holders[argsIndex]] = args[argsIndex];\n\t        }\n\t      }\n\t      while (rangeLength--) {\n\t        result[leftIndex++] = args[argsIndex++];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This function is like `composeArgs` except that the arguments composition\n\t     * is tailored for `_.partialRight`.\n\t     *\n\t     * @private\n\t     * @param {Array} args The provided arguments.\n\t     * @param {Array} partials The arguments to append to those provided.\n\t     * @param {Array} holders The `partials` placeholder indexes.\n\t     * @params {boolean} [isCurried] Specify composing for a curried function.\n\t     * @returns {Array} Returns the new array of composed arguments.\n\t     */\n\t    function composeArgsRight(args, partials, holders, isCurried) {\n\t      var argsIndex = -1,\n\t          argsLength = args.length,\n\t          holdersIndex = -1,\n\t          holdersLength = holders.length,\n\t          rightIndex = -1,\n\t          rightLength = partials.length,\n\t          rangeLength = nativeMax(argsLength - holdersLength, 0),\n\t          result = Array(rangeLength + rightLength),\n\t          isUncurried = !isCurried;\n\t\n\t      while (++argsIndex < rangeLength) {\n\t        result[argsIndex] = args[argsIndex];\n\t      }\n\t      var offset = argsIndex;\n\t      while (++rightIndex < rightLength) {\n\t        result[offset + rightIndex] = partials[rightIndex];\n\t      }\n\t      while (++holdersIndex < holdersLength) {\n\t        if (isUncurried || argsIndex < argsLength) {\n\t          result[offset + holders[holdersIndex]] = args[argsIndex++];\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Copies the values of `source` to `array`.\n\t     *\n\t     * @private\n\t     * @param {Array} source The array to copy values from.\n\t     * @param {Array} [array=[]] The array to copy values to.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function copyArray(source, array) {\n\t      var index = -1,\n\t          length = source.length;\n\t\n\t      array || (array = Array(length));\n\t      while (++index < length) {\n\t        array[index] = source[index];\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Copies properties of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy properties from.\n\t     * @param {Array} props The property identifiers to copy.\n\t     * @param {Object} [object={}] The object to copy properties to.\n\t     * @param {Function} [customizer] The function to customize copied values.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copyObject(source, props, object, customizer) {\n\t      var isNew = !object;\n\t      object || (object = {});\n\t\n\t      var index = -1,\n\t          length = props.length;\n\t\n\t      while (++index < length) {\n\t        var key = props[index];\n\t\n\t        var newValue = customizer\n\t          ? customizer(object[key], source[key], key, object, source)\n\t          : undefined;\n\t\n\t        if (newValue === undefined) {\n\t          newValue = source[key];\n\t        }\n\t        if (isNew) {\n\t          baseAssignValue(object, key, newValue);\n\t        } else {\n\t          assignValue(object, key, newValue);\n\t        }\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Copies own symbols of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy symbols from.\n\t     * @param {Object} [object={}] The object to copy symbols to.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copySymbols(source, object) {\n\t      return copyObject(source, getSymbols(source), object);\n\t    }\n\t\n\t    /**\n\t     * Copies own and inherited symbols of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy symbols from.\n\t     * @param {Object} [object={}] The object to copy symbols to.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copySymbolsIn(source, object) {\n\t      return copyObject(source, getSymbolsIn(source), object);\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.groupBy`.\n\t     *\n\t     * @private\n\t     * @param {Function} setter The function to set accumulator values.\n\t     * @param {Function} [initializer] The accumulator object initializer.\n\t     * @returns {Function} Returns the new aggregator function.\n\t     */\n\t    function createAggregator(setter, initializer) {\n\t      return function(collection, iteratee) {\n\t        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n\t            accumulator = initializer ? initializer() : {};\n\t\n\t        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.assign`.\n\t     *\n\t     * @private\n\t     * @param {Function} assigner The function to assign values.\n\t     * @returns {Function} Returns the new assigner function.\n\t     */\n\t    function createAssigner(assigner) {\n\t      return baseRest(function(object, sources) {\n\t        var index = -1,\n\t            length = sources.length,\n\t            customizer = length > 1 ? sources[length - 1] : undefined,\n\t            guard = length > 2 ? sources[2] : undefined;\n\t\n\t        customizer = (assigner.length > 3 && typeof customizer == 'function')\n\t          ? (length--, customizer)\n\t          : undefined;\n\t\n\t        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n\t          customizer = length < 3 ? undefined : customizer;\n\t          length = 1;\n\t        }\n\t        object = Object(object);\n\t        while (++index < length) {\n\t          var source = sources[index];\n\t          if (source) {\n\t            assigner(object, source, index, customizer);\n\t          }\n\t        }\n\t        return object;\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a `baseEach` or `baseEachRight` function.\n\t     *\n\t     * @private\n\t     * @param {Function} eachFunc The function to iterate over a collection.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new base function.\n\t     */\n\t    function createBaseEach(eachFunc, fromRight) {\n\t      return function(collection, iteratee) {\n\t        if (collection == null) {\n\t          return collection;\n\t        }\n\t        if (!isArrayLike(collection)) {\n\t          return eachFunc(collection, iteratee);\n\t        }\n\t        var length = collection.length,\n\t            index = fromRight ? length : -1,\n\t            iterable = Object(collection);\n\t\n\t        while ((fromRight ? index-- : ++index < length)) {\n\t          if (iteratee(iterable[index], index, iterable) === false) {\n\t            break;\n\t          }\n\t        }\n\t        return collection;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new base function.\n\t     */\n\t    function createBaseFor(fromRight) {\n\t      return function(object, iteratee, keysFunc) {\n\t        var index = -1,\n\t            iterable = Object(object),\n\t            props = keysFunc(object),\n\t            length = props.length;\n\t\n\t        while (length--) {\n\t          var key = props[fromRight ? length : ++index];\n\t          if (iteratee(iterable[key], key, iterable) === false) {\n\t            break;\n\t          }\n\t        }\n\t        return object;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with the optional `this`\n\t     * binding of `thisArg`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createBind(func, bitmask, thisArg) {\n\t      var isBind = bitmask & WRAP_BIND_FLAG,\n\t          Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t        return fn.apply(isBind ? thisArg : this, arguments);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.lowerFirst`.\n\t     *\n\t     * @private\n\t     * @param {string} methodName The name of the `String` case method to use.\n\t     * @returns {Function} Returns the new case function.\n\t     */\n\t    function createCaseFirst(methodName) {\n\t      return function(string) {\n\t        string = toString(string);\n\t\n\t        var strSymbols = hasUnicode(string)\n\t          ? stringToArray(string)\n\t          : undefined;\n\t\n\t        var chr = strSymbols\n\t          ? strSymbols[0]\n\t          : string.charAt(0);\n\t\n\t        var trailing = strSymbols\n\t          ? castSlice(strSymbols, 1).join('')\n\t          : string.slice(1);\n\t\n\t        return chr[methodName]() + trailing;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.camelCase`.\n\t     *\n\t     * @private\n\t     * @param {Function} callback The function to combine each word.\n\t     * @returns {Function} Returns the new compounder function.\n\t     */\n\t    function createCompounder(callback) {\n\t      return function(string) {\n\t        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that produces an instance of `Ctor` regardless of\n\t     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n\t     *\n\t     * @private\n\t     * @param {Function} Ctor The constructor to wrap.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createCtor(Ctor) {\n\t      return function() {\n\t        // Use a `switch` statement to work with class constructors. See\n\t        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n\t        // for more details.\n\t        var args = arguments;\n\t        switch (args.length) {\n\t          case 0: return new Ctor;\n\t          case 1: return new Ctor(args[0]);\n\t          case 2: return new Ctor(args[0], args[1]);\n\t          case 3: return new Ctor(args[0], args[1], args[2]);\n\t          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n\t          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n\t          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n\t          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n\t        }\n\t        var thisBinding = baseCreate(Ctor.prototype),\n\t            result = Ctor.apply(thisBinding, args);\n\t\n\t        // Mimic the constructor's `return` behavior.\n\t        // See https://es5.github.io/#x13.2.2 for more details.\n\t        return isObject(result) ? result : thisBinding;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to enable currying.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {number} arity The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createCurry(func, bitmask, arity) {\n\t      var Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var length = arguments.length,\n\t            args = Array(length),\n\t            index = length,\n\t            placeholder = getHolder(wrapper);\n\t\n\t        while (index--) {\n\t          args[index] = arguments[index];\n\t        }\n\t        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n\t          ? []\n\t          : replaceHolders(args, placeholder);\n\t\n\t        length -= holders.length;\n\t        if (length < arity) {\n\t          return createRecurry(\n\t            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n\t            args, holders, undefined, undefined, arity - length);\n\t        }\n\t        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t        return apply(fn, this, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.find` or `_.findLast` function.\n\t     *\n\t     * @private\n\t     * @param {Function} findIndexFunc The function to find the collection index.\n\t     * @returns {Function} Returns the new find function.\n\t     */\n\t    function createFind(findIndexFunc) {\n\t      return function(collection, predicate, fromIndex) {\n\t        var iterable = Object(collection);\n\t        if (!isArrayLike(collection)) {\n\t          var iteratee = getIteratee(predicate, 3);\n\t          collection = keys(collection);\n\t          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n\t        }\n\t        var index = findIndexFunc(collection, predicate, fromIndex);\n\t        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.flow` or `_.flowRight` function.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new flow function.\n\t     */\n\t    function createFlow(fromRight) {\n\t      return flatRest(function(funcs) {\n\t        var length = funcs.length,\n\t            index = length,\n\t            prereq = LodashWrapper.prototype.thru;\n\t\n\t        if (fromRight) {\n\t          funcs.reverse();\n\t        }\n\t        while (index--) {\n\t          var func = funcs[index];\n\t          if (typeof func != 'function') {\n\t            throw new TypeError(FUNC_ERROR_TEXT);\n\t          }\n\t          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n\t            var wrapper = new LodashWrapper([], true);\n\t          }\n\t        }\n\t        index = wrapper ? index : length;\n\t        while (++index < length) {\n\t          func = funcs[index];\n\t\n\t          var funcName = getFuncName(func),\n\t              data = funcName == 'wrapper' ? getData(func) : undefined;\n\t\n\t          if (data && isLaziable(data[0]) &&\n\t                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n\t                !data[4].length && data[9] == 1\n\t              ) {\n\t            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n\t          } else {\n\t            wrapper = (func.length == 1 && isLaziable(func))\n\t              ? wrapper[funcName]()\n\t              : wrapper.thru(func);\n\t          }\n\t        }\n\t        return function() {\n\t          var args = arguments,\n\t              value = args[0];\n\t\n\t          if (wrapper && args.length == 1 && isArray(value)) {\n\t            return wrapper.plant(value).value();\n\t          }\n\t          var index = 0,\n\t              result = length ? funcs[index].apply(this, args) : value;\n\t\n\t          while (++index < length) {\n\t            result = funcs[index].call(this, result);\n\t          }\n\t          return result;\n\t        };\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with optional `this`\n\t     * binding of `thisArg`, partial application, and currying.\n\t     *\n\t     * @private\n\t     * @param {Function|string} func The function or method name to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [partialsRight] The arguments to append to those provided\n\t     *  to the new function.\n\t     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n\t      var isAry = bitmask & WRAP_ARY_FLAG,\n\t          isBind = bitmask & WRAP_BIND_FLAG,\n\t          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n\t          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n\t          isFlip = bitmask & WRAP_FLIP_FLAG,\n\t          Ctor = isBindKey ? undefined : createCtor(func);\n\t\n\t      function wrapper() {\n\t        var length = arguments.length,\n\t            args = Array(length),\n\t            index = length;\n\t\n\t        while (index--) {\n\t          args[index] = arguments[index];\n\t        }\n\t        if (isCurried) {\n\t          var placeholder = getHolder(wrapper),\n\t              holdersCount = countHolders(args, placeholder);\n\t        }\n\t        if (partials) {\n\t          args = composeArgs(args, partials, holders, isCurried);\n\t        }\n\t        if (partialsRight) {\n\t          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n\t        }\n\t        length -= holdersCount;\n\t        if (isCurried && length < arity) {\n\t          var newHolders = replaceHolders(args, placeholder);\n\t          return createRecurry(\n\t            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n\t            args, newHolders, argPos, ary, arity - length\n\t          );\n\t        }\n\t        var thisBinding = isBind ? thisArg : this,\n\t            fn = isBindKey ? thisBinding[func] : func;\n\t\n\t        length = args.length;\n\t        if (argPos) {\n\t          args = reorder(args, argPos);\n\t        } else if (isFlip && length > 1) {\n\t          args.reverse();\n\t        }\n\t        if (isAry && ary < length) {\n\t          args.length = ary;\n\t        }\n\t        if (this && this !== root && this instanceof wrapper) {\n\t          fn = Ctor || createCtor(fn);\n\t        }\n\t        return fn.apply(thisBinding, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.invertBy`.\n\t     *\n\t     * @private\n\t     * @param {Function} setter The function to set accumulator values.\n\t     * @param {Function} toIteratee The function to resolve iteratees.\n\t     * @returns {Function} Returns the new inverter function.\n\t     */\n\t    function createInverter(setter, toIteratee) {\n\t      return function(object, iteratee) {\n\t        return baseInverter(object, setter, toIteratee(iteratee), {});\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a mathematical operation on two values.\n\t     *\n\t     * @private\n\t     * @param {Function} operator The function to perform the operation.\n\t     * @param {number} [defaultValue] The value used for `undefined` arguments.\n\t     * @returns {Function} Returns the new mathematical operation function.\n\t     */\n\t    function createMathOperation(operator, defaultValue) {\n\t      return function(value, other) {\n\t        var result;\n\t        if (value === undefined && other === undefined) {\n\t          return defaultValue;\n\t        }\n\t        if (value !== undefined) {\n\t          result = value;\n\t        }\n\t        if (other !== undefined) {\n\t          if (result === undefined) {\n\t            return other;\n\t          }\n\t          if (typeof value == 'string' || typeof other == 'string') {\n\t            value = baseToString(value);\n\t            other = baseToString(other);\n\t          } else {\n\t            value = baseToNumber(value);\n\t            other = baseToNumber(other);\n\t          }\n\t          result = operator(value, other);\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.over`.\n\t     *\n\t     * @private\n\t     * @param {Function} arrayFunc The function to iterate over iteratees.\n\t     * @returns {Function} Returns the new over function.\n\t     */\n\t    function createOver(arrayFunc) {\n\t      return flatRest(function(iteratees) {\n\t        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n\t        return baseRest(function(args) {\n\t          var thisArg = this;\n\t          return arrayFunc(iteratees, function(iteratee) {\n\t            return apply(iteratee, thisArg, args);\n\t          });\n\t        });\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates the padding for `string` based on `length`. The `chars` string\n\t     * is truncated if the number of characters exceeds `length`.\n\t     *\n\t     * @private\n\t     * @param {number} length The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padding for `string`.\n\t     */\n\t    function createPadding(length, chars) {\n\t      chars = chars === undefined ? ' ' : baseToString(chars);\n\t\n\t      var charsLength = chars.length;\n\t      if (charsLength < 2) {\n\t        return charsLength ? baseRepeat(chars, length) : chars;\n\t      }\n\t      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n\t      return hasUnicode(chars)\n\t        ? castSlice(stringToArray(result), 0, length).join('')\n\t        : result.slice(0, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with the `this` binding\n\t     * of `thisArg` and `partials` prepended to the arguments it receives.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} thisArg The `this` binding of `func`.\n\t     * @param {Array} partials The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createPartial(func, bitmask, thisArg, partials) {\n\t      var isBind = bitmask & WRAP_BIND_FLAG,\n\t          Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var argsIndex = -1,\n\t            argsLength = arguments.length,\n\t            leftIndex = -1,\n\t            leftLength = partials.length,\n\t            args = Array(leftLength + argsLength),\n\t            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t\n\t        while (++leftIndex < leftLength) {\n\t          args[leftIndex] = partials[leftIndex];\n\t        }\n\t        while (argsLength--) {\n\t          args[leftIndex++] = arguments[++argsIndex];\n\t        }\n\t        return apply(fn, isBind ? thisArg : this, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.range` or `_.rangeRight` function.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new range function.\n\t     */\n\t    function createRange(fromRight) {\n\t      return function(start, end, step) {\n\t        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n\t          end = step = undefined;\n\t        }\n\t        // Ensure the sign of `-0` is preserved.\n\t        start = toFinite(start);\n\t        if (end === undefined) {\n\t          end = start;\n\t          start = 0;\n\t        } else {\n\t          end = toFinite(end);\n\t        }\n\t        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n\t        return baseRange(start, end, step, fromRight);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a relational operation on two values.\n\t     *\n\t     * @private\n\t     * @param {Function} operator The function to perform the operation.\n\t     * @returns {Function} Returns the new relational operation function.\n\t     */\n\t    function createRelationalOperation(operator) {\n\t      return function(value, other) {\n\t        if (!(typeof value == 'string' && typeof other == 'string')) {\n\t          value = toNumber(value);\n\t          other = toNumber(other);\n\t        }\n\t        return operator(value, other);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to continue currying.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {Function} wrapFunc The function to create the `func` wrapper.\n\t     * @param {*} placeholder The placeholder value.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n\t      var isCurry = bitmask & WRAP_CURRY_FLAG,\n\t          newHolders = isCurry ? holders : undefined,\n\t          newHoldersRight = isCurry ? undefined : holders,\n\t          newPartials = isCurry ? partials : undefined,\n\t          newPartialsRight = isCurry ? undefined : partials;\n\t\n\t      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n\t      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\t\n\t      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n\t        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n\t      }\n\t      var newData = [\n\t        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n\t        newHoldersRight, argPos, ary, arity\n\t      ];\n\t\n\t      var result = wrapFunc.apply(undefined, newData);\n\t      if (isLaziable(func)) {\n\t        setData(result, newData);\n\t      }\n\t      result.placeholder = placeholder;\n\t      return setWrapToString(result, func, bitmask);\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.round`.\n\t     *\n\t     * @private\n\t     * @param {string} methodName The name of the `Math` method to use when rounding.\n\t     * @returns {Function} Returns the new round function.\n\t     */\n\t    function createRound(methodName) {\n\t      var func = Math[methodName];\n\t      return function(number, precision) {\n\t        number = toNumber(number);\n\t        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n\t        if (precision) {\n\t          // Shift with exponential notation to avoid floating-point issues.\n\t          // See [MDN](https://mdn.io/round#Examples) for more details.\n\t          var pair = (toString(number) + 'e').split('e'),\n\t              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\t\n\t          pair = (toString(value) + 'e').split('e');\n\t          return +(pair[0] + 'e' + (+pair[1] - precision));\n\t        }\n\t        return func(number);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a set object of `values`.\n\t     *\n\t     * @private\n\t     * @param {Array} values The values to add to the set.\n\t     * @returns {Object} Returns the new set.\n\t     */\n\t    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n\t      return new Set(values);\n\t    };\n\t\n\t    /**\n\t     * Creates a `_.toPairs` or `_.toPairsIn` function.\n\t     *\n\t     * @private\n\t     * @param {Function} keysFunc The function to get the keys of a given object.\n\t     * @returns {Function} Returns the new pairs function.\n\t     */\n\t    function createToPairs(keysFunc) {\n\t      return function(object) {\n\t        var tag = getTag(object);\n\t        if (tag == mapTag) {\n\t          return mapToArray(object);\n\t        }\n\t        if (tag == setTag) {\n\t          return setToPairs(object);\n\t        }\n\t        return baseToPairs(object, keysFunc(object));\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that either curries or invokes `func` with optional\n\t     * `this` binding and partially applied arguments.\n\t     *\n\t     * @private\n\t     * @param {Function|string} func The function or method name to wrap.\n\t     * @param {number} bitmask The bitmask flags.\n\t     *    1 - `_.bind`\n\t     *    2 - `_.bindKey`\n\t     *    4 - `_.curry` or `_.curryRight` of a bound function\n\t     *    8 - `_.curry`\n\t     *   16 - `_.curryRight`\n\t     *   32 - `_.partial`\n\t     *   64 - `_.partialRight`\n\t     *  128 - `_.rearg`\n\t     *  256 - `_.ary`\n\t     *  512 - `_.flip`\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to be partially applied.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n\t      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n\t      if (!isBindKey && typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      var length = partials ? partials.length : 0;\n\t      if (!length) {\n\t        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n\t        partials = holders = undefined;\n\t      }\n\t      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n\t      arity = arity === undefined ? arity : toInteger(arity);\n\t      length -= holders ? holders.length : 0;\n\t\n\t      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n\t        var partialsRight = partials,\n\t            holdersRight = holders;\n\t\n\t        partials = holders = undefined;\n\t      }\n\t      var data = isBindKey ? undefined : getData(func);\n\t\n\t      var newData = [\n\t        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n\t        argPos, ary, arity\n\t      ];\n\t\n\t      if (data) {\n\t        mergeData(newData, data);\n\t      }\n\t      func = newData[0];\n\t      bitmask = newData[1];\n\t      thisArg = newData[2];\n\t      partials = newData[3];\n\t      holders = newData[4];\n\t      arity = newData[9] = newData[9] === undefined\n\t        ? (isBindKey ? 0 : func.length)\n\t        : nativeMax(newData[9] - length, 0);\n\t\n\t      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n\t        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n\t      }\n\t      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n\t        var result = createBind(func, bitmask, thisArg);\n\t      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n\t        result = createCurry(func, bitmask, arity);\n\t      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n\t        result = createPartial(func, bitmask, thisArg, partials);\n\t      } else {\n\t        result = createHybrid.apply(undefined, newData);\n\t      }\n\t      var setter = data ? baseSetData : setData;\n\t      return setWrapToString(setter(result, newData), func, bitmask);\n\t    }\n\t\n\t    /**\n\t     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n\t     * of source objects to the destination object for all destination properties\n\t     * that resolve to `undefined`.\n\t     *\n\t     * @private\n\t     * @param {*} objValue The destination value.\n\t     * @param {*} srcValue The source value.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {Object} object The parent object of `objValue`.\n\t     * @returns {*} Returns the value to assign.\n\t     */\n\t    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n\t      if (objValue === undefined ||\n\t          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n\t        return srcValue;\n\t      }\n\t      return objValue;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n\t     * objects into destination objects that are passed thru.\n\t     *\n\t     * @private\n\t     * @param {*} objValue The destination value.\n\t     * @param {*} srcValue The source value.\n\t     * @param {string} key The key of the property to merge.\n\t     * @param {Object} object The parent object of `objValue`.\n\t     * @param {Object} source The parent object of `srcValue`.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     * @returns {*} Returns the value to assign.\n\t     */\n\t    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n\t      if (isObject(objValue) && isObject(srcValue)) {\n\t        // Recursively merge objects and arrays (susceptible to call stack limits).\n\t        stack.set(srcValue, objValue);\n\t        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n\t        stack['delete'](srcValue);\n\t      }\n\t      return objValue;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n\t     * objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @param {string} key The key of the property to inspect.\n\t     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n\t     */\n\t    function customOmitClone(value) {\n\t      return isPlainObject(value) ? undefined : value;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for arrays with support for\n\t     * partial deep comparisons.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to compare.\n\t     * @param {Array} other The other array to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `array` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n\t     */\n\t    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n\t      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n\t          arrLength = array.length,\n\t          othLength = other.length;\n\t\n\t      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n\t        return false;\n\t      }\n\t      // Assume cyclic values are equal.\n\t      var stacked = stack.get(array);\n\t      if (stacked && stack.get(other)) {\n\t        return stacked == other;\n\t      }\n\t      var index = -1,\n\t          result = true,\n\t          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\t\n\t      stack.set(array, other);\n\t      stack.set(other, array);\n\t\n\t      // Ignore non-index properties.\n\t      while (++index < arrLength) {\n\t        var arrValue = array[index],\n\t            othValue = other[index];\n\t\n\t        if (customizer) {\n\t          var compared = isPartial\n\t            ? customizer(othValue, arrValue, index, other, array, stack)\n\t            : customizer(arrValue, othValue, index, array, other, stack);\n\t        }\n\t        if (compared !== undefined) {\n\t          if (compared) {\n\t            continue;\n\t          }\n\t          result = false;\n\t          break;\n\t        }\n\t        // Recursively compare arrays (susceptible to call stack limits).\n\t        if (seen) {\n\t          if (!arraySome(other, function(othValue, othIndex) {\n\t                if (!cacheHas(seen, othIndex) &&\n\t                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n\t                  return seen.push(othIndex);\n\t                }\n\t              })) {\n\t            result = false;\n\t            break;\n\t          }\n\t        } else if (!(\n\t              arrValue === othValue ||\n\t                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n\t            )) {\n\t          result = false;\n\t          break;\n\t        }\n\t      }\n\t      stack['delete'](array);\n\t      stack['delete'](other);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for comparing objects of\n\t     * the same `toStringTag`.\n\t     *\n\t     * **Note:** This function only supports comparing values with tags of\n\t     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {string} tag The `toStringTag` of the objects to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n\t      switch (tag) {\n\t        case dataViewTag:\n\t          if ((object.byteLength != other.byteLength) ||\n\t              (object.byteOffset != other.byteOffset)) {\n\t            return false;\n\t          }\n\t          object = object.buffer;\n\t          other = other.buffer;\n\t\n\t        case arrayBufferTag:\n\t          if ((object.byteLength != other.byteLength) ||\n\t              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n\t            return false;\n\t          }\n\t          return true;\n\t\n\t        case boolTag:\n\t        case dateTag:\n\t        case numberTag:\n\t          // Coerce booleans to `1` or `0` and dates to milliseconds.\n\t          // Invalid dates are coerced to `NaN`.\n\t          return eq(+object, +other);\n\t\n\t        case errorTag:\n\t          return object.name == other.name && object.message == other.message;\n\t\n\t        case regexpTag:\n\t        case stringTag:\n\t          // Coerce regexes to strings and treat strings, primitives and objects,\n\t          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n\t          // for more details.\n\t          return object == (other + '');\n\t\n\t        case mapTag:\n\t          var convert = mapToArray;\n\t\n\t        case setTag:\n\t          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n\t          convert || (convert = setToArray);\n\t\n\t          if (object.size != other.size && !isPartial) {\n\t            return false;\n\t          }\n\t          // Assume cyclic values are equal.\n\t          var stacked = stack.get(object);\n\t          if (stacked) {\n\t            return stacked == other;\n\t          }\n\t          bitmask |= COMPARE_UNORDERED_FLAG;\n\t\n\t          // Recursively compare objects (susceptible to call stack limits).\n\t          stack.set(object, other);\n\t          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n\t          stack['delete'](object);\n\t          return result;\n\t\n\t        case symbolTag:\n\t          if (symbolValueOf) {\n\t            return symbolValueOf.call(object) == symbolValueOf.call(other);\n\t          }\n\t      }\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for objects with support for\n\t     * partial deep comparisons.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n\t      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n\t          objProps = getAllKeys(object),\n\t          objLength = objProps.length,\n\t          othProps = getAllKeys(other),\n\t          othLength = othProps.length;\n\t\n\t      if (objLength != othLength && !isPartial) {\n\t        return false;\n\t      }\n\t      var index = objLength;\n\t      while (index--) {\n\t        var key = objProps[index];\n\t        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n\t          return false;\n\t        }\n\t      }\n\t      // Assume cyclic values are equal.\n\t      var stacked = stack.get(object);\n\t      if (stacked && stack.get(other)) {\n\t        return stacked == other;\n\t      }\n\t      var result = true;\n\t      stack.set(object, other);\n\t      stack.set(other, object);\n\t\n\t      var skipCtor = isPartial;\n\t      while (++index < objLength) {\n\t        key = objProps[index];\n\t        var objValue = object[key],\n\t            othValue = other[key];\n\t\n\t        if (customizer) {\n\t          var compared = isPartial\n\t            ? customizer(othValue, objValue, key, other, object, stack)\n\t            : customizer(objValue, othValue, key, object, other, stack);\n\t        }\n\t        // Recursively compare objects (susceptible to call stack limits).\n\t        if (!(compared === undefined\n\t              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n\t              : compared\n\t            )) {\n\t          result = false;\n\t          break;\n\t        }\n\t        skipCtor || (skipCtor = key == 'constructor');\n\t      }\n\t      if (result && !skipCtor) {\n\t        var objCtor = object.constructor,\n\t            othCtor = other.constructor;\n\t\n\t        // Non `Object` object instances with different constructors are not equal.\n\t        if (objCtor != othCtor &&\n\t            ('constructor' in object && 'constructor' in other) &&\n\t            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n\t              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n\t          result = false;\n\t        }\n\t      }\n\t      stack['delete'](object);\n\t      stack['delete'](other);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseRest` which flattens the rest array.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function flatRest(func) {\n\t      return setToString(overRest(func, undefined, flatten), func + '');\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own enumerable property names and symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function getAllKeys(object) {\n\t      return baseGetAllKeys(object, keys, getSymbols);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own and inherited enumerable property names and\n\t     * symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function getAllKeysIn(object) {\n\t      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n\t    }\n\t\n\t    /**\n\t     * Gets metadata for `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to query.\n\t     * @returns {*} Returns the metadata for `func`.\n\t     */\n\t    var getData = !metaMap ? noop : function(func) {\n\t      return metaMap.get(func);\n\t    };\n\t\n\t    /**\n\t     * Gets the name of `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to query.\n\t     * @returns {string} Returns the function name.\n\t     */\n\t    function getFuncName(func) {\n\t      var result = (func.name + ''),\n\t          array = realNames[result],\n\t          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\t\n\t      while (length--) {\n\t        var data = array[length],\n\t            otherFunc = data.func;\n\t        if (otherFunc == null || otherFunc == func) {\n\t          return data.name;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the argument placeholder value for `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to inspect.\n\t     * @returns {*} Returns the placeholder value.\n\t     */\n\t    function getHolder(func) {\n\t      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n\t      return object.placeholder;\n\t    }\n\t\n\t    /**\n\t     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n\t     * this function returns the custom method, otherwise it returns `baseIteratee`.\n\t     * If arguments are provided, the chosen function is invoked with them and\n\t     * its result is returned.\n\t     *\n\t     * @private\n\t     * @param {*} [value] The value to convert to an iteratee.\n\t     * @param {number} [arity] The arity of the created iteratee.\n\t     * @returns {Function} Returns the chosen function or its result.\n\t     */\n\t    function getIteratee() {\n\t      var result = lodash.iteratee || iteratee;\n\t      result = result === iteratee ? baseIteratee : result;\n\t      return arguments.length ? result(arguments[0], arguments[1]) : result;\n\t    }\n\t\n\t    /**\n\t     * Gets the data for `map`.\n\t     *\n\t     * @private\n\t     * @param {Object} map The map to query.\n\t     * @param {string} key The reference key.\n\t     * @returns {*} Returns the map data.\n\t     */\n\t    function getMapData(map, key) {\n\t      var data = map.__data__;\n\t      return isKeyable(key)\n\t        ? data[typeof key == 'string' ? 'string' : 'hash']\n\t        : data.map;\n\t    }\n\t\n\t    /**\n\t     * Gets the property names, values, and compare flags of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the match data of `object`.\n\t     */\n\t    function getMatchData(object) {\n\t      var result = keys(object),\n\t          length = result.length;\n\t\n\t      while (length--) {\n\t        var key = result[length],\n\t            value = object[key];\n\t\n\t        result[length] = [key, value, isStrictComparable(value)];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the native function at `key` of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {string} key The key of the method to get.\n\t     * @returns {*} Returns the function if it's native, else `undefined`.\n\t     */\n\t    function getNative(object, key) {\n\t      var value = getValue(object, key);\n\t      return baseIsNative(value) ? value : undefined;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the raw `toStringTag`.\n\t     */\n\t    function getRawTag(value) {\n\t      var isOwn = hasOwnProperty.call(value, symToStringTag),\n\t          tag = value[symToStringTag];\n\t\n\t      try {\n\t        value[symToStringTag] = undefined;\n\t        var unmasked = true;\n\t      } catch (e) {}\n\t\n\t      var result = nativeObjectToString.call(value);\n\t      if (unmasked) {\n\t        if (isOwn) {\n\t          value[symToStringTag] = tag;\n\t        } else {\n\t          delete value[symToStringTag];\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own enumerable symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of symbols.\n\t     */\n\t    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n\t      if (object == null) {\n\t        return [];\n\t      }\n\t      object = Object(object);\n\t      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n\t        return propertyIsEnumerable.call(object, symbol);\n\t      });\n\t    };\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of symbols.\n\t     */\n\t    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n\t      var result = [];\n\t      while (object) {\n\t        arrayPush(result, getSymbols(object));\n\t        object = getPrototype(object);\n\t      }\n\t      return result;\n\t    };\n\t\n\t    /**\n\t     * Gets the `toStringTag` of `value`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the `toStringTag`.\n\t     */\n\t    var getTag = baseGetTag;\n\t\n\t    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n\t    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n\t        (Map && getTag(new Map) != mapTag) ||\n\t        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n\t        (Set && getTag(new Set) != setTag) ||\n\t        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n\t      getTag = function(value) {\n\t        var result = baseGetTag(value),\n\t            Ctor = result == objectTag ? value.constructor : undefined,\n\t            ctorString = Ctor ? toSource(Ctor) : '';\n\t\n\t        if (ctorString) {\n\t          switch (ctorString) {\n\t            case dataViewCtorString: return dataViewTag;\n\t            case mapCtorString: return mapTag;\n\t            case promiseCtorString: return promiseTag;\n\t            case setCtorString: return setTag;\n\t            case weakMapCtorString: return weakMapTag;\n\t          }\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n\t     *\n\t     * @private\n\t     * @param {number} start The start of the view.\n\t     * @param {number} end The end of the view.\n\t     * @param {Array} transforms The transformations to apply to the view.\n\t     * @returns {Object} Returns an object containing the `start` and `end`\n\t     *  positions of the view.\n\t     */\n\t    function getView(start, end, transforms) {\n\t      var index = -1,\n\t          length = transforms.length;\n\t\n\t      while (++index < length) {\n\t        var data = transforms[index],\n\t            size = data.size;\n\t\n\t        switch (data.type) {\n\t          case 'drop':      start += size; break;\n\t          case 'dropRight': end -= size; break;\n\t          case 'take':      end = nativeMin(end, start + size); break;\n\t          case 'takeRight': start = nativeMax(start, end - size); break;\n\t        }\n\t      }\n\t      return { 'start': start, 'end': end };\n\t    }\n\t\n\t    /**\n\t     * Extracts wrapper details from the `source` body comment.\n\t     *\n\t     * @private\n\t     * @param {string} source The source to inspect.\n\t     * @returns {Array} Returns the wrapper details.\n\t     */\n\t    function getWrapDetails(source) {\n\t      var match = source.match(reWrapDetails);\n\t      return match ? match[1].split(reSplitDetails) : [];\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` exists on `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @param {Function} hasFunc The function to check properties.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     */\n\t    function hasPath(object, path, hasFunc) {\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length,\n\t          result = false;\n\t\n\t      while (++index < length) {\n\t        var key = toKey(path[index]);\n\t        if (!(result = object != null && hasFunc(object, key))) {\n\t          break;\n\t        }\n\t        object = object[key];\n\t      }\n\t      if (result || ++index != length) {\n\t        return result;\n\t      }\n\t      length = object == null ? 0 : object.length;\n\t      return !!length && isLength(length) && isIndex(key, length) &&\n\t        (isArray(object) || isArguments(object));\n\t    }\n\t\n\t    /**\n\t     * Initializes an array clone.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to clone.\n\t     * @returns {Array} Returns the initialized clone.\n\t     */\n\t    function initCloneArray(array) {\n\t      var length = array.length,\n\t          result = array.constructor(length);\n\t\n\t      // Add properties assigned by `RegExp#exec`.\n\t      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n\t        result.index = array.index;\n\t        result.input = array.input;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Initializes an object clone.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to clone.\n\t     * @returns {Object} Returns the initialized clone.\n\t     */\n\t    function initCloneObject(object) {\n\t      return (typeof object.constructor == 'function' && !isPrototype(object))\n\t        ? baseCreate(getPrototype(object))\n\t        : {};\n\t    }\n\t\n\t    /**\n\t     * Initializes an object clone based on its `toStringTag`.\n\t     *\n\t     * **Note:** This function only supports cloning values with tags of\n\t     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to clone.\n\t     * @param {string} tag The `toStringTag` of the object to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the initialized clone.\n\t     */\n\t    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n\t      var Ctor = object.constructor;\n\t      switch (tag) {\n\t        case arrayBufferTag:\n\t          return cloneArrayBuffer(object);\n\t\n\t        case boolTag:\n\t        case dateTag:\n\t          return new Ctor(+object);\n\t\n\t        case dataViewTag:\n\t          return cloneDataView(object, isDeep);\n\t\n\t        case float32Tag: case float64Tag:\n\t        case int8Tag: case int16Tag: case int32Tag:\n\t        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n\t          return cloneTypedArray(object, isDeep);\n\t\n\t        case mapTag:\n\t          return cloneMap(object, isDeep, cloneFunc);\n\t\n\t        case numberTag:\n\t        case stringTag:\n\t          return new Ctor(object);\n\t\n\t        case regexpTag:\n\t          return cloneRegExp(object);\n\t\n\t        case setTag:\n\t          return cloneSet(object, isDeep, cloneFunc);\n\t\n\t        case symbolTag:\n\t          return cloneSymbol(object);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Inserts wrapper `details` in a comment at the top of the `source` body.\n\t     *\n\t     * @private\n\t     * @param {string} source The source to modify.\n\t     * @returns {Array} details The details to insert.\n\t     * @returns {string} Returns the modified source.\n\t     */\n\t    function insertWrapDetails(source, details) {\n\t      var length = details.length;\n\t      if (!length) {\n\t        return source;\n\t      }\n\t      var lastIndex = length - 1;\n\t      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n\t      details = details.join(length > 2 ? ', ' : ' ');\n\t      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a flattenable `arguments` object or array.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n\t     */\n\t    function isFlattenable(value) {\n\t      return isArray(value) || isArguments(value) ||\n\t        !!(spreadableSymbol && value && value[spreadableSymbol]);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a valid array-like index.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n\t     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n\t     */\n\t    function isIndex(value, length) {\n\t      length = length == null ? MAX_SAFE_INTEGER : length;\n\t      return !!length &&\n\t        (typeof value == 'number' || reIsUint.test(value)) &&\n\t        (value > -1 && value % 1 == 0 && value < length);\n\t    }\n\t\n\t    /**\n\t     * Checks if the given arguments are from an iteratee call.\n\t     *\n\t     * @private\n\t     * @param {*} value The potential iteratee value argument.\n\t     * @param {*} index The potential iteratee index or key argument.\n\t     * @param {*} object The potential iteratee object argument.\n\t     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n\t     *  else `false`.\n\t     */\n\t    function isIterateeCall(value, index, object) {\n\t      if (!isObject(object)) {\n\t        return false;\n\t      }\n\t      var type = typeof index;\n\t      if (type == 'number'\n\t            ? (isArrayLike(object) && isIndex(index, object.length))\n\t            : (type == 'string' && index in object)\n\t          ) {\n\t        return eq(object[index], value);\n\t      }\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a property name and not a property path.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @param {Object} [object] The object to query keys on.\n\t     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n\t     */\n\t    function isKey(value, object) {\n\t      if (isArray(value)) {\n\t        return false;\n\t      }\n\t      var type = typeof value;\n\t      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n\t          value == null || isSymbol(value)) {\n\t        return true;\n\t      }\n\t      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n\t        (object != null && value in Object(object));\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is suitable for use as unique object key.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n\t     */\n\t    function isKeyable(value) {\n\t      var type = typeof value;\n\t      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n\t        ? (value !== '__proto__')\n\t        : (value === null);\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` has a lazy counterpart.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to check.\n\t     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n\t     *  else `false`.\n\t     */\n\t    function isLaziable(func) {\n\t      var funcName = getFuncName(func),\n\t          other = lodash[funcName];\n\t\n\t      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n\t        return false;\n\t      }\n\t      if (func === other) {\n\t        return true;\n\t      }\n\t      var data = getData(other);\n\t      return !!data && func === data[0];\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` has its source masked.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to check.\n\t     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n\t     */\n\t    function isMasked(func) {\n\t      return !!maskSrcKey && (maskSrcKey in func);\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` is capable of being masked.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n\t     */\n\t    var isMaskable = coreJsData ? isFunction : stubFalse;\n\t\n\t    /**\n\t     * Checks if `value` is likely a prototype object.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n\t     */\n\t    function isPrototype(value) {\n\t      var Ctor = value && value.constructor,\n\t          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\t\n\t      return value === proto;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` if suitable for strict\n\t     *  equality comparisons, else `false`.\n\t     */\n\t    function isStrictComparable(value) {\n\t      return value === value && !isObject(value);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `matchesProperty` for source values suitable\n\t     * for strict equality comparisons, i.e. `===`.\n\t     *\n\t     * @private\n\t     * @param {string} key The key of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function matchesStrictComparable(key, srcValue) {\n\t      return function(object) {\n\t        if (object == null) {\n\t          return false;\n\t        }\n\t        return object[key] === srcValue &&\n\t          (srcValue !== undefined || (key in Object(object)));\n\t      };\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.memoize` which clears the memoized function's\n\t     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to have its output memoized.\n\t     * @returns {Function} Returns the new memoized function.\n\t     */\n\t    function memoizeCapped(func) {\n\t      var result = memoize(func, function(key) {\n\t        if (cache.size === MAX_MEMOIZE_SIZE) {\n\t          cache.clear();\n\t        }\n\t        return key;\n\t      });\n\t\n\t      var cache = result.cache;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Merges the function metadata of `source` into `data`.\n\t     *\n\t     * Merging metadata reduces the number of wrappers used to invoke a function.\n\t     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n\t     * may be applied regardless of execution order. Methods like `_.ary` and\n\t     * `_.rearg` modify function arguments, making the order in which they are\n\t     * executed important, preventing the merging of metadata. However, we make\n\t     * an exception for a safe combined case where curried functions have `_.ary`\n\t     * and or `_.rearg` applied.\n\t     *\n\t     * @private\n\t     * @param {Array} data The destination metadata.\n\t     * @param {Array} source The source metadata.\n\t     * @returns {Array} Returns `data`.\n\t     */\n\t    function mergeData(data, source) {\n\t      var bitmask = data[1],\n\t          srcBitmask = source[1],\n\t          newBitmask = bitmask | srcBitmask,\n\t          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\t\n\t      var isCombo =\n\t        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n\t        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n\t        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\t\n\t      // Exit early if metadata can't be merged.\n\t      if (!(isCommon || isCombo)) {\n\t        return data;\n\t      }\n\t      // Use source `thisArg` if available.\n\t      if (srcBitmask & WRAP_BIND_FLAG) {\n\t        data[2] = source[2];\n\t        // Set when currying a bound function.\n\t        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n\t      }\n\t      // Compose partial arguments.\n\t      var value = source[3];\n\t      if (value) {\n\t        var partials = data[3];\n\t        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n\t        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n\t      }\n\t      // Compose partial right arguments.\n\t      value = source[5];\n\t      if (value) {\n\t        partials = data[5];\n\t        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n\t        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n\t      }\n\t      // Use source `argPos` if available.\n\t      value = source[7];\n\t      if (value) {\n\t        data[7] = value;\n\t      }\n\t      // Use source `ary` if it's smaller.\n\t      if (srcBitmask & WRAP_ARY_FLAG) {\n\t        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n\t      }\n\t      // Use source `arity` if one is not provided.\n\t      if (data[9] == null) {\n\t        data[9] = source[9];\n\t      }\n\t      // Use source `func` and merge bitmasks.\n\t      data[0] = source[0];\n\t      data[1] = newBitmask;\n\t\n\t      return data;\n\t    }\n\t\n\t    /**\n\t     * This function is like\n\t     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n\t     * except that it includes inherited enumerable properties.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function nativeKeysIn(object) {\n\t      var result = [];\n\t      if (object != null) {\n\t        for (var key in Object(object)) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a string using `Object.prototype.toString`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to convert.\n\t     * @returns {string} Returns the converted string.\n\t     */\n\t    function objectToString(value) {\n\t      return nativeObjectToString.call(value);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseRest` which transforms the rest array.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @param {Function} transform The rest array transform.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function overRest(func, start, transform) {\n\t      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n\t      return function() {\n\t        var args = arguments,\n\t            index = -1,\n\t            length = nativeMax(args.length - start, 0),\n\t            array = Array(length);\n\t\n\t        while (++index < length) {\n\t          array[index] = args[start + index];\n\t        }\n\t        index = -1;\n\t        var otherArgs = Array(start + 1);\n\t        while (++index < start) {\n\t          otherArgs[index] = args[index];\n\t        }\n\t        otherArgs[start] = transform(array);\n\t        return apply(func, this, otherArgs);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Gets the parent value at `path` of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array} path The path to get the parent value of.\n\t     * @returns {*} Returns the parent value.\n\t     */\n\t    function parent(object, path) {\n\t      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n\t    }\n\t\n\t    /**\n\t     * Reorder `array` according to the specified indexes where the element at\n\t     * the first index is assigned as the first element, the element at\n\t     * the second index is assigned as the second element, and so on.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to reorder.\n\t     * @param {Array} indexes The arranged array indexes.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function reorder(array, indexes) {\n\t      var arrLength = array.length,\n\t          length = nativeMin(indexes.length, arrLength),\n\t          oldArray = copyArray(array);\n\t\n\t      while (length--) {\n\t        var index = indexes[length];\n\t        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Sets metadata for `func`.\n\t     *\n\t     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n\t     * period of time, it will trip its breaker and transition to an identity\n\t     * function to avoid garbage collection pauses in V8. See\n\t     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n\t     * for more details.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to associate metadata with.\n\t     * @param {*} data The metadata.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var setData = shortOut(baseSetData);\n\t\n\t    /**\n\t     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @returns {number|Object} Returns the timer id or timeout object.\n\t     */\n\t    var setTimeout = ctxSetTimeout || function(func, wait) {\n\t      return root.setTimeout(func, wait);\n\t    };\n\t\n\t    /**\n\t     * Sets the `toString` method of `func` to return `string`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to modify.\n\t     * @param {Function} string The `toString` result.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var setToString = shortOut(baseSetToString);\n\t\n\t    /**\n\t     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n\t     * with wrapper details in a comment at the top of the source body.\n\t     *\n\t     * @private\n\t     * @param {Function} wrapper The function to modify.\n\t     * @param {Function} reference The reference function.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @returns {Function} Returns `wrapper`.\n\t     */\n\t    function setWrapToString(wrapper, reference, bitmask) {\n\t      var source = (reference + '');\n\t      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that'll short out and invoke `identity` instead\n\t     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n\t     * milliseconds.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new shortable function.\n\t     */\n\t    function shortOut(func) {\n\t      var count = 0,\n\t          lastCalled = 0;\n\t\n\t      return function() {\n\t        var stamp = nativeNow(),\n\t            remaining = HOT_SPAN - (stamp - lastCalled);\n\t\n\t        lastCalled = stamp;\n\t        if (remaining > 0) {\n\t          if (++count >= HOT_COUNT) {\n\t            return arguments[0];\n\t          }\n\t        } else {\n\t          count = 0;\n\t        }\n\t        return func.apply(undefined, arguments);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to shuffle.\n\t     * @param {number} [size=array.length] The size of `array`.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function shuffleSelf(array, size) {\n\t      var index = -1,\n\t          length = array.length,\n\t          lastIndex = length - 1;\n\t\n\t      size = size === undefined ? length : size;\n\t      while (++index < size) {\n\t        var rand = baseRandom(index, lastIndex),\n\t            value = array[rand];\n\t\n\t        array[rand] = array[index];\n\t        array[index] = value;\n\t      }\n\t      array.length = size;\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to a property path array.\n\t     *\n\t     * @private\n\t     * @param {string} string The string to convert.\n\t     * @returns {Array} Returns the property path array.\n\t     */\n\t    var stringToPath = memoizeCapped(function(string) {\n\t      var result = [];\n\t      if (reLeadingDot.test(string)) {\n\t        result.push('');\n\t      }\n\t      string.replace(rePropName, function(match, number, quote, string) {\n\t        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n\t      });\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Converts `value` to a string key if it's not a string or symbol.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {string|symbol} Returns the key.\n\t     */\n\t    function toKey(value) {\n\t      if (typeof value == 'string' || isSymbol(value)) {\n\t        return value;\n\t      }\n\t      var result = (value + '');\n\t      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t    }\n\t\n\t    /**\n\t     * Converts `func` to its source code.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to convert.\n\t     * @returns {string} Returns the source code.\n\t     */\n\t    function toSource(func) {\n\t      if (func != null) {\n\t        try {\n\t          return funcToString.call(func);\n\t        } catch (e) {}\n\t        try {\n\t          return (func + '');\n\t        } catch (e) {}\n\t      }\n\t      return '';\n\t    }\n\t\n\t    /**\n\t     * Updates wrapper `details` based on `bitmask` flags.\n\t     *\n\t     * @private\n\t     * @returns {Array} details The details to modify.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @returns {Array} Returns `details`.\n\t     */\n\t    function updateWrapDetails(details, bitmask) {\n\t      arrayEach(wrapFlags, function(pair) {\n\t        var value = '_.' + pair[0];\n\t        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n\t          details.push(value);\n\t        }\n\t      });\n\t      return details.sort();\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `wrapper`.\n\t     *\n\t     * @private\n\t     * @param {Object} wrapper The wrapper to clone.\n\t     * @returns {Object} Returns the cloned wrapper.\n\t     */\n\t    function wrapperClone(wrapper) {\n\t      if (wrapper instanceof LazyWrapper) {\n\t        return wrapper.clone();\n\t      }\n\t      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n\t      result.__actions__ = copyArray(wrapper.__actions__);\n\t      result.__index__  = wrapper.__index__;\n\t      result.__values__ = wrapper.__values__;\n\t      return result;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an array of elements split into groups the length of `size`.\n\t     * If `array` can't be split evenly, the final chunk will be the remaining\n\t     * elements.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to process.\n\t     * @param {number} [size=1] The length of each chunk\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the new array of chunks.\n\t     * @example\n\t     *\n\t     * _.chunk(['a', 'b', 'c', 'd'], 2);\n\t     * // => [['a', 'b'], ['c', 'd']]\n\t     *\n\t     * _.chunk(['a', 'b', 'c', 'd'], 3);\n\t     * // => [['a', 'b', 'c'], ['d']]\n\t     */\n\t    function chunk(array, size, guard) {\n\t      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n\t        size = 1;\n\t      } else {\n\t        size = nativeMax(toInteger(size), 0);\n\t      }\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length || size < 1) {\n\t        return [];\n\t      }\n\t      var index = 0,\n\t          resIndex = 0,\n\t          result = Array(nativeCeil(length / size));\n\t\n\t      while (index < length) {\n\t        result[resIndex++] = baseSlice(array, index, (index += size));\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an array with all falsey values removed. The values `false`, `null`,\n\t     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to compact.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.compact([0, 1, false, 2, '', 3]);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function compact(array) {\n\t      var index = -1,\n\t          length = array == null ? 0 : array.length,\n\t          resIndex = 0,\n\t          result = [];\n\t\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (value) {\n\t          result[resIndex++] = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a new array concatenating `array` with any additional arrays\n\t     * and/or values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to concatenate.\n\t     * @param {...*} [values] The values to concatenate.\n\t     * @returns {Array} Returns the new concatenated array.\n\t     * @example\n\t     *\n\t     * var array = [1];\n\t     * var other = _.concat(array, 2, [3], [[4]]);\n\t     *\n\t     * console.log(other);\n\t     * // => [1, 2, 3, [4]]\n\t     *\n\t     * console.log(array);\n\t     * // => [1]\n\t     */\n\t    function concat() {\n\t      var length = arguments.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      var args = Array(length - 1),\n\t          array = arguments[0],\n\t          index = length;\n\t\n\t      while (index--) {\n\t        args[index - 1] = arguments[index];\n\t      }\n\t      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of `array` values not included in the other given arrays\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. The order and references of result values are\n\t     * determined by the first array.\n\t     *\n\t     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.without, _.xor\n\t     * @example\n\t     *\n\t     * _.difference([2, 1], [2, 3]);\n\t     * // => [1]\n\t     */\n\t    var difference = baseRest(function(array, values) {\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.difference` except that it accepts `iteratee` which\n\t     * is invoked for each element of `array` and `values` to generate the criterion\n\t     * by which they're compared. The order and references of result values are\n\t     * determined by the first array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    var differenceBy = baseRest(function(array, values) {\n\t      var iteratee = last(values);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.difference` except that it accepts `comparator`\n\t     * which is invoked to compare elements of `array` to `values`. The order and\n\t     * references of result values are determined by the first array. The comparator\n\t     * is invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     *\n\t     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n\t     * // => [{ 'x': 2, 'y': 1 }]\n\t     */\n\t    var differenceWith = baseRest(function(array, values) {\n\t      var comparator = last(values);\n\t      if (isArrayLikeObject(comparator)) {\n\t        comparator = undefined;\n\t      }\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements dropped from the beginning.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to drop.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.drop([1, 2, 3]);\n\t     * // => [2, 3]\n\t     *\n\t     * _.drop([1, 2, 3], 2);\n\t     * // => [3]\n\t     *\n\t     * _.drop([1, 2, 3], 5);\n\t     * // => []\n\t     *\n\t     * _.drop([1, 2, 3], 0);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function drop(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      return baseSlice(array, n < 0 ? 0 : n, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements dropped from the end.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to drop.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.dropRight([1, 2, 3]);\n\t     * // => [1, 2]\n\t     *\n\t     * _.dropRight([1, 2, 3], 2);\n\t     * // => [1]\n\t     *\n\t     * _.dropRight([1, 2, 3], 5);\n\t     * // => []\n\t     *\n\t     * _.dropRight([1, 2, 3], 0);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function dropRight(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      n = length - n;\n\t      return baseSlice(array, 0, n < 0 ? 0 : n);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` excluding elements dropped from the end.\n\t     * Elements are dropped until `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.dropRightWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.dropRightWhile(users, ['active', false]);\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.dropRightWhile(users, 'active');\n\t     * // => objects for ['barney', 'fred', 'pebbles']\n\t     */\n\t    function dropRightWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` excluding elements dropped from the beginning.\n\t     * Elements are dropped until `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.dropWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.dropWhile(users, ['active', false]);\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.dropWhile(users, 'active');\n\t     * // => objects for ['barney', 'fred', 'pebbles']\n\t     */\n\t    function dropWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Fills elements of `array` with `value` from `start` up to, but not\n\t     * including, `end`.\n\t     *\n\t     * **Note:** This method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Array\n\t     * @param {Array} array The array to fill.\n\t     * @param {*} value The value to fill `array` with.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _.fill(array, 'a');\n\t     * console.log(array);\n\t     * // => ['a', 'a', 'a']\n\t     *\n\t     * _.fill(Array(3), 2);\n\t     * // => [2, 2, 2]\n\t     *\n\t     * _.fill([4, 6, 8, 10], '*', 1, 3);\n\t     * // => [4, '*', '*', 10]\n\t     */\n\t    function fill(array, value, start, end) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n\t        start = 0;\n\t        end = length;\n\t      }\n\t      return baseFill(array, value, start, end);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.find` except that it returns the index of the first\n\t     * element `predicate` returns truthy for instead of the element itself.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {number} Returns the index of the found element, else `-1`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n\t     * // => 0\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findIndex(users, { 'user': 'fred', 'active': false });\n\t     * // => 1\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findIndex(users, ['active', false]);\n\t     * // => 0\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findIndex(users, 'active');\n\t     * // => 2\n\t     */\n\t    function findIndex(array, predicate, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\t      if (index < 0) {\n\t        index = nativeMax(length + index, 0);\n\t      }\n\t      return baseFindIndex(array, getIteratee(predicate, 3), index);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.findIndex` except that it iterates over elements\n\t     * of `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=array.length-1] The index to search from.\n\t     * @returns {number} Returns the index of the found element, else `-1`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n\t     * // => 2\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n\t     * // => 0\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findLastIndex(users, ['active', false]);\n\t     * // => 2\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findLastIndex(users, 'active');\n\t     * // => 0\n\t     */\n\t    function findLastIndex(array, predicate, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = length - 1;\n\t      if (fromIndex !== undefined) {\n\t        index = toInteger(fromIndex);\n\t        index = fromIndex < 0\n\t          ? nativeMax(length + index, 0)\n\t          : nativeMin(index, length - 1);\n\t      }\n\t      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n\t    }\n\t\n\t    /**\n\t     * Flattens `array` a single level deep.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * _.flatten([1, [2, [3, [4]], 5]]);\n\t     * // => [1, 2, [3, [4]], 5]\n\t     */\n\t    function flatten(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseFlatten(array, 1) : [];\n\t    }\n\t\n\t    /**\n\t     * Recursively flattens `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n\t     * // => [1, 2, 3, 4, 5]\n\t     */\n\t    function flattenDeep(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseFlatten(array, INFINITY) : [];\n\t    }\n\t\n\t    /**\n\t     * Recursively flatten `array` up to `depth` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.4.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @param {number} [depth=1] The maximum recursion depth.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * var array = [1, [2, [3, [4]], 5]];\n\t     *\n\t     * _.flattenDepth(array, 1);\n\t     * // => [1, 2, [3, [4]], 5]\n\t     *\n\t     * _.flattenDepth(array, 2);\n\t     * // => [1, 2, 3, [4], 5]\n\t     */\n\t    function flattenDepth(array, depth) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      depth = depth === undefined ? 1 : toInteger(depth);\n\t      return baseFlatten(array, depth);\n\t    }\n\t\n\t    /**\n\t     * The inverse of `_.toPairs`; this method returns an object composed\n\t     * from key-value `pairs`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} pairs The key-value pairs.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.fromPairs([['a', 1], ['b', 2]]);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    function fromPairs(pairs) {\n\t      var index = -1,\n\t          length = pairs == null ? 0 : pairs.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var pair = pairs[index];\n\t        result[pair[0]] = pair[1];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the first element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias first\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {*} Returns the first element of `array`.\n\t     * @example\n\t     *\n\t     * _.head([1, 2, 3]);\n\t     * // => 1\n\t     *\n\t     * _.head([]);\n\t     * // => undefined\n\t     */\n\t    function head(array) {\n\t      return (array && array.length) ? array[0] : undefined;\n\t    }\n\t\n\t    /**\n\t     * Gets the index at which the first occurrence of `value` is found in `array`\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. If `fromIndex` is negative, it's used as the\n\t     * offset from the end of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.indexOf([1, 2, 1, 2], 2);\n\t     * // => 1\n\t     *\n\t     * // Search from the `fromIndex`.\n\t     * _.indexOf([1, 2, 1, 2], 2, 2);\n\t     * // => 3\n\t     */\n\t    function indexOf(array, value, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\t      if (index < 0) {\n\t        index = nativeMax(length + index, 0);\n\t      }\n\t      return baseIndexOf(array, value, index);\n\t    }\n\t\n\t    /**\n\t     * Gets all but the last element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.initial([1, 2, 3]);\n\t     * // => [1, 2]\n\t     */\n\t    function initial(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseSlice(array, 0, -1) : [];\n\t    }\n\t\n\t    /**\n\t     * Creates an array of unique values that are included in all given arrays\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. The order and references of result values are\n\t     * determined by the first array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * _.intersection([2, 1], [2, 3]);\n\t     * // => [2]\n\t     */\n\t    var intersection = baseRest(function(arrays) {\n\t      var mapped = arrayMap(arrays, castArrayLikeObject);\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.intersection` except that it accepts `iteratee`\n\t     * which is invoked for each element of each `arrays` to generate the criterion\n\t     * by which they're compared. The order and references of result values are\n\t     * determined by the first array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [2.1]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }]\n\t     */\n\t    var intersectionBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays),\n\t          mapped = arrayMap(arrays, castArrayLikeObject);\n\t\n\t      if (iteratee === last(mapped)) {\n\t        iteratee = undefined;\n\t      } else {\n\t        mapped.pop();\n\t      }\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.intersection` except that it accepts `comparator`\n\t     * which is invoked to compare elements of `arrays`. The order and references\n\t     * of result values are determined by the first array. The comparator is\n\t     * invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.intersectionWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }]\n\t     */\n\t    var intersectionWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays),\n\t          mapped = arrayMap(arrays, castArrayLikeObject);\n\t\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      if (comparator) {\n\t        mapped.pop();\n\t      }\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped, undefined, comparator)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Converts all elements in `array` into a string separated by `separator`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to convert.\n\t     * @param {string} [separator=','] The element separator.\n\t     * @returns {string} Returns the joined string.\n\t     * @example\n\t     *\n\t     * _.join(['a', 'b', 'c'], '~');\n\t     * // => 'a~b~c'\n\t     */\n\t    function join(array, separator) {\n\t      return array == null ? '' : nativeJoin.call(array, separator);\n\t    }\n\t\n\t    /**\n\t     * Gets the last element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {*} Returns the last element of `array`.\n\t     * @example\n\t     *\n\t     * _.last([1, 2, 3]);\n\t     * // => 3\n\t     */\n\t    function last(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? array[length - 1] : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.indexOf` except that it iterates over elements of\n\t     * `array` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=array.length-1] The index to search from.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.lastIndexOf([1, 2, 1, 2], 2);\n\t     * // => 3\n\t     *\n\t     * // Search from the `fromIndex`.\n\t     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n\t     * // => 1\n\t     */\n\t    function lastIndexOf(array, value, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = length;\n\t      if (fromIndex !== undefined) {\n\t        index = toInteger(fromIndex);\n\t        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n\t      }\n\t      return value === value\n\t        ? strictLastIndexOf(array, value, index)\n\t        : baseFindIndex(array, baseIsNaN, index, true);\n\t    }\n\t\n\t    /**\n\t     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n\t     * element from the end is returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.11.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=0] The index of the element to return.\n\t     * @returns {*} Returns the nth element of `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'd'];\n\t     *\n\t     * _.nth(array, 1);\n\t     * // => 'b'\n\t     *\n\t     * _.nth(array, -2);\n\t     * // => 'c';\n\t     */\n\t    function nth(array, n) {\n\t      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n\t    }\n\t\n\t    /**\n\t     * Removes all given values from `array` using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n\t     * to remove elements from an array by predicate.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {...*} [values] The values to remove.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n\t     *\n\t     * _.pull(array, 'a', 'c');\n\t     * console.log(array);\n\t     * // => ['b', 'b']\n\t     */\n\t    var pull = baseRest(pullAll);\n\t\n\t    /**\n\t     * This method is like `_.pull` except that it accepts an array of values to remove.\n\t     *\n\t     * **Note:** Unlike `_.difference`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n\t     *\n\t     * _.pullAll(array, ['a', 'c']);\n\t     * console.log(array);\n\t     * // => ['b', 'b']\n\t     */\n\t    function pullAll(array, values) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values)\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n\t     * invoked for each element of `array` and `values` to generate the criterion\n\t     * by which they're compared. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n\t     *\n\t     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n\t     * console.log(array);\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    function pullAllBy(array, values, iteratee) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values, getIteratee(iteratee, 2))\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.pullAll` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `array` to `values`. The comparator is\n\t     * invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n\t     *\n\t     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n\t     * console.log(array);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n\t     */\n\t    function pullAllWith(array, values, comparator) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values, undefined, comparator)\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * Removes elements from `array` corresponding to `indexes` and returns an\n\t     * array of removed elements.\n\t     *\n\t     * **Note:** Unlike `_.at`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n\t     * @returns {Array} Returns the new array of removed elements.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'd'];\n\t     * var pulled = _.pullAt(array, [1, 3]);\n\t     *\n\t     * console.log(array);\n\t     * // => ['a', 'c']\n\t     *\n\t     * console.log(pulled);\n\t     * // => ['b', 'd']\n\t     */\n\t    var pullAt = flatRest(function(array, indexes) {\n\t      var length = array == null ? 0 : array.length,\n\t          result = baseAt(array, indexes);\n\t\n\t      basePullAt(array, arrayMap(indexes, function(index) {\n\t        return isIndex(index, length) ? +index : index;\n\t      }).sort(compareAscending));\n\t\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Removes all elements from `array` that `predicate` returns truthy for\n\t     * and returns an array of the removed elements. The predicate is invoked\n\t     * with three arguments: (value, index, array).\n\t     *\n\t     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n\t     * to pull elements from an array by value.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new array of removed elements.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3, 4];\n\t     * var evens = _.remove(array, function(n) {\n\t     *   return n % 2 == 0;\n\t     * });\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 3]\n\t     *\n\t     * console.log(evens);\n\t     * // => [2, 4]\n\t     */\n\t    function remove(array, predicate) {\n\t      var result = [];\n\t      if (!(array && array.length)) {\n\t        return result;\n\t      }\n\t      var index = -1,\n\t          indexes = [],\n\t          length = array.length;\n\t\n\t      predicate = getIteratee(predicate, 3);\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (predicate(value, index, array)) {\n\t          result.push(value);\n\t          indexes.push(index);\n\t        }\n\t      }\n\t      basePullAt(array, indexes);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Reverses `array` so that the first element becomes the last, the second\n\t     * element becomes the second to last, and so on.\n\t     *\n\t     * **Note:** This method mutates `array` and is based on\n\t     * [`Array#reverse`](https://mdn.io/Array/reverse).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _.reverse(array);\n\t     * // => [3, 2, 1]\n\t     *\n\t     * console.log(array);\n\t     * // => [3, 2, 1]\n\t     */\n\t    function reverse(array) {\n\t      return array == null ? array : nativeReverse.call(array);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` from `start` up to, but not including, `end`.\n\t     *\n\t     * **Note:** This method is used instead of\n\t     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n\t     * returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to slice.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function slice(array, start, end) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n\t        start = 0;\n\t        end = length;\n\t      }\n\t      else {\n\t        start = start == null ? 0 : toInteger(start);\n\t        end = end === undefined ? length : toInteger(end);\n\t      }\n\t      return baseSlice(array, start, end);\n\t    }\n\t\n\t    /**\n\t     * Uses a binary search to determine the lowest index at which `value`\n\t     * should be inserted into `array` in order to maintain its sort order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * _.sortedIndex([30, 50], 40);\n\t     * // => 1\n\t     */\n\t    function sortedIndex(array, value) {\n\t      return baseSortedIndex(array, value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n\t     * which is invoked for `value` and each element of `array` to compute their\n\t     * sort ranking. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n\t     *\n\t     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n\t     * // => 0\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n\t     * // => 0\n\t     */\n\t    function sortedIndexBy(array, value, iteratee) {\n\t      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.indexOf` except that it performs a binary\n\t     * search on a sorted `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n\t     * // => 1\n\t     */\n\t    function sortedIndexOf(array, value) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (length) {\n\t        var index = baseSortedIndex(array, value);\n\t        if (index < length && eq(array[index], value)) {\n\t          return index;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedIndex` except that it returns the highest\n\t     * index at which `value` should be inserted into `array` in order to\n\t     * maintain its sort order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n\t     * // => 4\n\t     */\n\t    function sortedLastIndex(array, value) {\n\t      return baseSortedIndex(array, value, true);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n\t     * which is invoked for `value` and each element of `array` to compute their\n\t     * sort ranking. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n\t     *\n\t     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n\t     * // => 1\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n\t     * // => 1\n\t     */\n\t    function sortedLastIndexBy(array, value, iteratee) {\n\t      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.lastIndexOf` except that it performs a binary\n\t     * search on a sorted `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n\t     * // => 3\n\t     */\n\t    function sortedLastIndexOf(array, value) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (length) {\n\t        var index = baseSortedIndex(array, value, true) - 1;\n\t        if (eq(array[index], value)) {\n\t          return index;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it's designed and optimized\n\t     * for sorted arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.sortedUniq([1, 1, 2]);\n\t     * // => [1, 2]\n\t     */\n\t    function sortedUniq(array) {\n\t      return (array && array.length)\n\t        ? baseSortedUniq(array)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniqBy` except that it's designed and optimized\n\t     * for sorted arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n\t     * // => [1.1, 2.3]\n\t     */\n\t    function sortedUniqBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Gets all but the first element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.tail([1, 2, 3]);\n\t     * // => [2, 3]\n\t     */\n\t    function tail(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseSlice(array, 1, length) : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements taken from the beginning.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to take.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.take([1, 2, 3]);\n\t     * // => [1]\n\t     *\n\t     * _.take([1, 2, 3], 2);\n\t     * // => [1, 2]\n\t     *\n\t     * _.take([1, 2, 3], 5);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * _.take([1, 2, 3], 0);\n\t     * // => []\n\t     */\n\t    function take(array, n, guard) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      return baseSlice(array, 0, n < 0 ? 0 : n);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements taken from the end.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to take.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.takeRight([1, 2, 3]);\n\t     * // => [3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 2);\n\t     * // => [2, 3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 5);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 0);\n\t     * // => []\n\t     */\n\t    function takeRight(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      n = length - n;\n\t      return baseSlice(array, n < 0 ? 0 : n, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with elements taken from the end. Elements are\n\t     * taken until `predicate` returns falsey. The predicate is invoked with\n\t     * three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.takeRightWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.takeRightWhile(users, ['active', false]);\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.takeRightWhile(users, 'active');\n\t     * // => []\n\t     */\n\t    function takeRightWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with elements taken from the beginning. Elements\n\t     * are taken until `predicate` returns falsey. The predicate is invoked with\n\t     * three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.takeWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.takeWhile(users, ['active', false]);\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.takeWhile(users, 'active');\n\t     * // => []\n\t     */\n\t    function takeWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3))\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates an array of unique values, in order, from all given arrays using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * _.union([2], [1, 2]);\n\t     * // => [2, 1]\n\t     */\n\t    var union = baseRest(function(arrays) {\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.union` except that it accepts `iteratee` which is\n\t     * invoked for each element of each `arrays` to generate the criterion by\n\t     * which uniqueness is computed. Result values are chosen from the first\n\t     * array in which the value occurs. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n\t     * // => [2.1, 1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }, { 'x': 2 }]\n\t     */\n\t    var unionBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.union` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `arrays`. Result values are chosen from\n\t     * the first array in which the value occurs. The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.unionWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n\t     */\n\t    var unionWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays);\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n\t    });\n\t\n\t    /**\n\t     * Creates a duplicate-free version of an array, using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons, in which only the first occurrence of each element\n\t     * is kept. The order of result values is determined by the order they occur\n\t     * in the array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.uniq([2, 1, 2]);\n\t     * // => [2, 1]\n\t     */\n\t    function uniq(array) {\n\t      return (array && array.length) ? baseUniq(array) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * uniqueness is computed. The order of result values is determined by the\n\t     * order they occur in the array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n\t     * // => [2.1, 1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }, { 'x': 2 }]\n\t     */\n\t    function uniqBy(array, iteratee) {\n\t      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `array`. The order of result values is\n\t     * determined by the order they occur in the array.The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.uniqWith(objects, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n\t     */\n\t    function uniqWith(array, comparator) {\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zip` except that it accepts an array of grouped\n\t     * elements and creates an array regrouping the elements to their pre-zip\n\t     * configuration.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.2.0\n\t     * @category Array\n\t     * @param {Array} array The array of grouped elements to process.\n\t     * @returns {Array} Returns the new array of regrouped elements.\n\t     * @example\n\t     *\n\t     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n\t     * // => [['a', 1, true], ['b', 2, false]]\n\t     *\n\t     * _.unzip(zipped);\n\t     * // => [['a', 'b'], [1, 2], [true, false]]\n\t     */\n\t    function unzip(array) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      var length = 0;\n\t      array = arrayFilter(array, function(group) {\n\t        if (isArrayLikeObject(group)) {\n\t          length = nativeMax(group.length, length);\n\t          return true;\n\t        }\n\t      });\n\t      return baseTimes(length, function(index) {\n\t        return arrayMap(array, baseProperty(index));\n\t      });\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n\t     * how regrouped values should be combined. The iteratee is invoked with the\n\t     * elements of each group: (...group).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Array\n\t     * @param {Array} array The array of grouped elements to process.\n\t     * @param {Function} [iteratee=_.identity] The function to combine\n\t     *  regrouped values.\n\t     * @returns {Array} Returns the new array of regrouped elements.\n\t     * @example\n\t     *\n\t     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n\t     * // => [[1, 10, 100], [2, 20, 200]]\n\t     *\n\t     * _.unzipWith(zipped, _.add);\n\t     * // => [3, 30, 300]\n\t     */\n\t    function unzipWith(array, iteratee) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      var result = unzip(array);\n\t      if (iteratee == null) {\n\t        return result;\n\t      }\n\t      return arrayMap(result, function(group) {\n\t        return apply(iteratee, undefined, group);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates an array excluding all given values using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * **Note:** Unlike `_.pull`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...*} [values] The values to exclude.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.difference, _.xor\n\t     * @example\n\t     *\n\t     * _.without([2, 1, 2, 3], 1, 2);\n\t     * // => [3]\n\t     */\n\t    var without = baseRest(function(array, values) {\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, values)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Creates an array of unique values that is the\n\t     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n\t     * of the given arrays. The order of result values is determined by the order\n\t     * they occur in the arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.difference, _.without\n\t     * @example\n\t     *\n\t     * _.xor([2, 1], [2, 3]);\n\t     * // => [1, 3]\n\t     */\n\t    var xor = baseRest(function(arrays) {\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.xor` except that it accepts `iteratee` which is\n\t     * invoked for each element of each `arrays` to generate the criterion by\n\t     * which by which they're compared. The order of result values is determined\n\t     * by the order they occur in the arrays. The iteratee is invoked with one\n\t     * argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [1.2, 3.4]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    var xorBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.xor` except that it accepts `comparator` which is\n\t     * invoked to compare elements of `arrays`. The order of result values is\n\t     * determined by the order they occur in the arrays. The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.xorWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n\t     */\n\t    var xorWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays);\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of grouped elements, the first of which contains the\n\t     * first elements of the given arrays, the second of which contains the\n\t     * second elements of the given arrays, and so on.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to process.\n\t     * @returns {Array} Returns the new array of grouped elements.\n\t     * @example\n\t     *\n\t     * _.zip(['a', 'b'], [1, 2], [true, false]);\n\t     * // => [['a', 1, true], ['b', 2, false]]\n\t     */\n\t    var zip = baseRest(unzip);\n\t\n\t    /**\n\t     * This method is like `_.fromPairs` except that it accepts two arrays,\n\t     * one of property identifiers and one of corresponding values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.4.0\n\t     * @category Array\n\t     * @param {Array} [props=[]] The property identifiers.\n\t     * @param {Array} [values=[]] The property values.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.zipObject(['a', 'b'], [1, 2]);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    function zipObject(props, values) {\n\t      return baseZipObject(props || [], values || [], assignValue);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zipObject` except that it supports property paths.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.1.0\n\t     * @category Array\n\t     * @param {Array} [props=[]] The property identifiers.\n\t     * @param {Array} [values=[]] The property values.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n\t     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n\t     */\n\t    function zipObjectDeep(props, values) {\n\t      return baseZipObject(props || [], values || [], baseSet);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zip` except that it accepts `iteratee` to specify\n\t     * how grouped values should be combined. The iteratee is invoked with the\n\t     * elements of each group: (...group).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to process.\n\t     * @param {Function} [iteratee=_.identity] The function to combine\n\t     *  grouped values.\n\t     * @returns {Array} Returns the new array of grouped elements.\n\t     * @example\n\t     *\n\t     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n\t     *   return a + b + c;\n\t     * });\n\t     * // => [111, 222]\n\t     */\n\t    var zipWith = baseRest(function(arrays) {\n\t      var length = arrays.length,\n\t          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\t\n\t      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n\t      return unzipWith(arrays, iteratee);\n\t    });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n\t     * chain sequences enabled. The result of such sequences must be unwrapped\n\t     * with `_#value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.3.0\n\t     * @category Seq\n\t     * @param {*} value The value to wrap.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36 },\n\t     *   { 'user': 'fred',    'age': 40 },\n\t     *   { 'user': 'pebbles', 'age': 1 }\n\t     * ];\n\t     *\n\t     * var youngest = _\n\t     *   .chain(users)\n\t     *   .sortBy('age')\n\t     *   .map(function(o) {\n\t     *     return o.user + ' is ' + o.age;\n\t     *   })\n\t     *   .head()\n\t     *   .value();\n\t     * // => 'pebbles is 1'\n\t     */\n\t    function chain(value) {\n\t      var result = lodash(value);\n\t      result.__chain__ = true;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method invokes `interceptor` and returns `value`. The interceptor\n\t     * is invoked with one argument; (value). The purpose of this method is to\n\t     * \"tap into\" a method chain sequence in order to modify intermediate results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @param {*} value The value to provide to `interceptor`.\n\t     * @param {Function} interceptor The function to invoke.\n\t     * @returns {*} Returns `value`.\n\t     * @example\n\t     *\n\t     * _([1, 2, 3])\n\t     *  .tap(function(array) {\n\t     *    // Mutate input array.\n\t     *    array.pop();\n\t     *  })\n\t     *  .reverse()\n\t     *  .value();\n\t     * // => [2, 1]\n\t     */\n\t    function tap(value, interceptor) {\n\t      interceptor(value);\n\t      return value;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.tap` except that it returns the result of `interceptor`.\n\t     * The purpose of this method is to \"pass thru\" values replacing intermediate\n\t     * results in a method chain sequence.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Seq\n\t     * @param {*} value The value to provide to `interceptor`.\n\t     * @param {Function} interceptor The function to invoke.\n\t     * @returns {*} Returns the result of `interceptor`.\n\t     * @example\n\t     *\n\t     * _('  abc  ')\n\t     *  .chain()\n\t     *  .trim()\n\t     *  .thru(function(value) {\n\t     *    return [value];\n\t     *  })\n\t     *  .value();\n\t     * // => ['abc']\n\t     */\n\t    function thru(value, interceptor) {\n\t      return interceptor(value);\n\t    }\n\t\n\t    /**\n\t     * This method is the wrapper version of `_.at`.\n\t     *\n\t     * @name at\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Seq\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t     *\n\t     * _(object).at(['a[0].b.c', 'a[1]']).value();\n\t     * // => [3, 4]\n\t     */\n\t    var wrapperAt = flatRest(function(paths) {\n\t      var length = paths.length,\n\t          start = length ? paths[0] : 0,\n\t          value = this.__wrapped__,\n\t          interceptor = function(object) { return baseAt(object, paths); };\n\t\n\t      if (length > 1 || this.__actions__.length ||\n\t          !(value instanceof LazyWrapper) || !isIndex(start)) {\n\t        return this.thru(interceptor);\n\t      }\n\t      value = value.slice(start, +start + (length ? 1 : 0));\n\t      value.__actions__.push({\n\t        'func': thru,\n\t        'args': [interceptor],\n\t        'thisArg': undefined\n\t      });\n\t      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n\t        if (length && !array.length) {\n\t          array.push(undefined);\n\t        }\n\t        return array;\n\t      });\n\t    });\n\t\n\t    /**\n\t     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n\t     *\n\t     * @name chain\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36 },\n\t     *   { 'user': 'fred',   'age': 40 }\n\t     * ];\n\t     *\n\t     * // A sequence without explicit chaining.\n\t     * _(users).head();\n\t     * // => { 'user': 'barney', 'age': 36 }\n\t     *\n\t     * // A sequence with explicit chaining.\n\t     * _(users)\n\t     *   .chain()\n\t     *   .head()\n\t     *   .pick('user')\n\t     *   .value();\n\t     * // => { 'user': 'barney' }\n\t     */\n\t    function wrapperChain() {\n\t      return chain(this);\n\t    }\n\t\n\t    /**\n\t     * Executes the chain sequence and returns the wrapped result.\n\t     *\n\t     * @name commit\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var array = [1, 2];\n\t     * var wrapped = _(array).push(3);\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 2]\n\t     *\n\t     * wrapped = wrapped.commit();\n\t     * console.log(array);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * wrapped.last();\n\t     * // => 3\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function wrapperCommit() {\n\t      return new LodashWrapper(this.value(), this.__chain__);\n\t    }\n\t\n\t    /**\n\t     * Gets the next value on a wrapped object following the\n\t     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n\t     *\n\t     * @name next\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the next iterator value.\n\t     * @example\n\t     *\n\t     * var wrapped = _([1, 2]);\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': false, 'value': 1 }\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': false, 'value': 2 }\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': true, 'value': undefined }\n\t     */\n\t    function wrapperNext() {\n\t      if (this.__values__ === undefined) {\n\t        this.__values__ = toArray(this.value());\n\t      }\n\t      var done = this.__index__ >= this.__values__.length,\n\t          value = done ? undefined : this.__values__[this.__index__++];\n\t\n\t      return { 'done': done, 'value': value };\n\t    }\n\t\n\t    /**\n\t     * Enables the wrapper to be iterable.\n\t     *\n\t     * @name Symbol.iterator\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the wrapper object.\n\t     * @example\n\t     *\n\t     * var wrapped = _([1, 2]);\n\t     *\n\t     * wrapped[Symbol.iterator]() === wrapped;\n\t     * // => true\n\t     *\n\t     * Array.from(wrapped);\n\t     * // => [1, 2]\n\t     */\n\t    function wrapperToIterator() {\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n\t     *\n\t     * @name plant\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Seq\n\t     * @param {*} value The value to plant.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var wrapped = _([1, 2]).map(square);\n\t     * var other = wrapped.plant([3, 4]);\n\t     *\n\t     * other.value();\n\t     * // => [9, 16]\n\t     *\n\t     * wrapped.value();\n\t     * // => [1, 4]\n\t     */\n\t    function wrapperPlant(value) {\n\t      var result,\n\t          parent = this;\n\t\n\t      while (parent instanceof baseLodash) {\n\t        var clone = wrapperClone(parent);\n\t        clone.__index__ = 0;\n\t        clone.__values__ = undefined;\n\t        if (result) {\n\t          previous.__wrapped__ = clone;\n\t        } else {\n\t          result = clone;\n\t        }\n\t        var previous = clone;\n\t        parent = parent.__wrapped__;\n\t      }\n\t      previous.__wrapped__ = value;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is the wrapper version of `_.reverse`.\n\t     *\n\t     * **Note:** This method mutates the wrapped array.\n\t     *\n\t     * @name reverse\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _(array).reverse().value()\n\t     * // => [3, 2, 1]\n\t     *\n\t     * console.log(array);\n\t     * // => [3, 2, 1]\n\t     */\n\t    function wrapperReverse() {\n\t      var value = this.__wrapped__;\n\t      if (value instanceof LazyWrapper) {\n\t        var wrapped = value;\n\t        if (this.__actions__.length) {\n\t          wrapped = new LazyWrapper(this);\n\t        }\n\t        wrapped = wrapped.reverse();\n\t        wrapped.__actions__.push({\n\t          'func': thru,\n\t          'args': [reverse],\n\t          'thisArg': undefined\n\t        });\n\t        return new LodashWrapper(wrapped, this.__chain__);\n\t      }\n\t      return this.thru(reverse);\n\t    }\n\t\n\t    /**\n\t     * Executes the chain sequence to resolve the unwrapped value.\n\t     *\n\t     * @name value\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias toJSON, valueOf\n\t     * @category Seq\n\t     * @returns {*} Returns the resolved unwrapped value.\n\t     * @example\n\t     *\n\t     * _([1, 2, 3]).value();\n\t     * // => [1, 2, 3]\n\t     */\n\t    function wrapperValue() {\n\t      return baseWrapperValue(this.__wrapped__, this.__actions__);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The corresponding value of\n\t     * each key is the number of times the key was returned by `iteratee`. The\n\t     * iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n\t     * // => { '4': 1, '6': 2 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.countBy(['one', 'two', 'three'], 'length');\n\t     * // => { '3': 2, '5': 1 }\n\t     */\n\t    var countBy = createAggregator(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, key)) {\n\t        ++result[key];\n\t      } else {\n\t        baseAssignValue(result, key, 1);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n\t     * Iteration is stopped once `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index|key, collection).\n\t     *\n\t     * **Note:** This method returns `true` for\n\t     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n\t     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n\t     * elements of empty collections.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.every([true, 1, null, 'yes'], Boolean);\n\t     * // => false\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': false },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.every(users, { 'user': 'barney', 'active': false });\n\t     * // => false\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.every(users, ['active', false]);\n\t     * // => true\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.every(users, 'active');\n\t     * // => false\n\t     */\n\t    function every(collection, predicate, guard) {\n\t      var func = isArray(collection) ? arrayEvery : baseEvery;\n\t      if (guard && isIterateeCall(collection, predicate, guard)) {\n\t        predicate = undefined;\n\t      }\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection`, returning an array of all elements\n\t     * `predicate` returns truthy for. The predicate is invoked with three\n\t     * arguments: (value, index|key, collection).\n\t     *\n\t     * **Note:** Unlike `_.remove`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     * @see _.reject\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': true },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * _.filter(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.filter(users, { 'age': 36, 'active': true });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.filter(users, ['active', false]);\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.filter(users, 'active');\n\t     * // => objects for ['barney']\n\t     */\n\t    function filter(collection, predicate) {\n\t      var func = isArray(collection) ? arrayFilter : baseFilter;\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection`, returning the first element\n\t     * `predicate` returns truthy for. The predicate is invoked with three\n\t     * arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {*} Returns the matched element, else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36, 'active': true },\n\t     *   { 'user': 'fred',    'age': 40, 'active': false },\n\t     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n\t     * ];\n\t     *\n\t     * _.find(users, function(o) { return o.age < 40; });\n\t     * // => object for 'barney'\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.find(users, { 'age': 1, 'active': true });\n\t     * // => object for 'pebbles'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.find(users, ['active', false]);\n\t     * // => object for 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.find(users, 'active');\n\t     * // => object for 'barney'\n\t     */\n\t    var find = createFind(findIndex);\n\t\n\t    /**\n\t     * This method is like `_.find` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=collection.length-1] The index to search from.\n\t     * @returns {*} Returns the matched element, else `undefined`.\n\t     * @example\n\t     *\n\t     * _.findLast([1, 2, 3, 4], function(n) {\n\t     *   return n % 2 == 1;\n\t     * });\n\t     * // => 3\n\t     */\n\t    var findLast = createFind(findLastIndex);\n\t\n\t    /**\n\t     * Creates a flattened array of values by running each element in `collection`\n\t     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n\t     * with three arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [n, n];\n\t     * }\n\t     *\n\t     * _.flatMap([1, 2], duplicate);\n\t     * // => [1, 1, 2, 2]\n\t     */\n\t    function flatMap(collection, iteratee) {\n\t      return baseFlatten(map(collection, iteratee), 1);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.flatMap` except that it recursively flattens the\n\t     * mapped results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [[[n, n]]];\n\t     * }\n\t     *\n\t     * _.flatMapDeep([1, 2], duplicate);\n\t     * // => [1, 1, 2, 2]\n\t     */\n\t    function flatMapDeep(collection, iteratee) {\n\t      return baseFlatten(map(collection, iteratee), INFINITY);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.flatMap` except that it recursively flattens the\n\t     * mapped results up to `depth` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {number} [depth=1] The maximum recursion depth.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [[[n, n]]];\n\t     * }\n\t     *\n\t     * _.flatMapDepth([1, 2], duplicate, 2);\n\t     * // => [[1, 1], [2, 2]]\n\t     */\n\t    function flatMapDepth(collection, iteratee, depth) {\n\t      depth = depth === undefined ? 1 : toInteger(depth);\n\t      return baseFlatten(map(collection, iteratee), depth);\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n\t     * The iteratee is invoked with three arguments: (value, index|key, collection).\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n\t     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n\t     * or `_.forOwn` for object iteration.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias each\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     * @see _.forEachRight\n\t     * @example\n\t     *\n\t     * _.forEach([1, 2], function(value) {\n\t     *   console.log(value);\n\t     * });\n\t     * // => Logs `1` then `2`.\n\t     *\n\t     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t     */\n\t    function forEach(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayEach : baseEach;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forEach` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @alias eachRight\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     * @see _.forEach\n\t     * @example\n\t     *\n\t     * _.forEachRight([1, 2], function(value) {\n\t     *   console.log(value);\n\t     * });\n\t     * // => Logs `2` then `1`.\n\t     */\n\t    function forEachRight(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The order of grouped values\n\t     * is determined by the order they occur in `collection`. The corresponding\n\t     * value of each key is an array of elements responsible for generating the\n\t     * key. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n\t     * // => { '4': [4.2], '6': [6.1, 6.3] }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.groupBy(['one', 'two', 'three'], 'length');\n\t     * // => { '3': ['one', 'two'], '5': ['three'] }\n\t     */\n\t    var groupBy = createAggregator(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, key)) {\n\t        result[key].push(value);\n\t      } else {\n\t        baseAssignValue(result, key, [value]);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Checks if `value` is in `collection`. If `collection` is a string, it's\n\t     * checked for a substring of `value`, otherwise\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n\t     * the offset from the end of `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object|string} collection The collection to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n\t     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n\t     * @example\n\t     *\n\t     * _.includes([1, 2, 3], 1);\n\t     * // => true\n\t     *\n\t     * _.includes([1, 2, 3], 1, 2);\n\t     * // => false\n\t     *\n\t     * _.includes({ 'a': 1, 'b': 2 }, 1);\n\t     * // => true\n\t     *\n\t     * _.includes('abcd', 'bc');\n\t     * // => true\n\t     */\n\t    function includes(collection, value, fromIndex, guard) {\n\t      collection = isArrayLike(collection) ? collection : values(collection);\n\t      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\t\n\t      var length = collection.length;\n\t      if (fromIndex < 0) {\n\t        fromIndex = nativeMax(length + fromIndex, 0);\n\t      }\n\t      return isString(collection)\n\t        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n\t        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n\t    }\n\t\n\t    /**\n\t     * Invokes the method at `path` of each element in `collection`, returning\n\t     * an array of the results of each invoked method. Any additional arguments\n\t     * are provided to each invoked method. If `path` is a function, it's invoked\n\t     * for, and `this` bound to, each element in `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Array|Function|string} path The path of the method to invoke or\n\t     *  the function invoked per iteration.\n\t     * @param {...*} [args] The arguments to invoke each method with.\n\t     * @returns {Array} Returns the array of results.\n\t     * @example\n\t     *\n\t     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n\t     * // => [[1, 5, 7], [1, 2, 3]]\n\t     *\n\t     * _.invokeMap([123, 456], String.prototype.split, '');\n\t     * // => [['1', '2', '3'], ['4', '5', '6']]\n\t     */\n\t    var invokeMap = baseRest(function(collection, path, args) {\n\t      var index = -1,\n\t          isFunc = typeof path == 'function',\n\t          result = isArrayLike(collection) ? Array(collection.length) : [];\n\t\n\t      baseEach(collection, function(value) {\n\t        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n\t      });\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The corresponding value of\n\t     * each key is the last element responsible for generating the key. The\n\t     * iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * var array = [\n\t     *   { 'dir': 'left', 'code': 97 },\n\t     *   { 'dir': 'right', 'code': 100 }\n\t     * ];\n\t     *\n\t     * _.keyBy(array, function(o) {\n\t     *   return String.fromCharCode(o.code);\n\t     * });\n\t     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n\t     *\n\t     * _.keyBy(array, 'dir');\n\t     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n\t     */\n\t    var keyBy = createAggregator(function(result, value, key) {\n\t      baseAssignValue(result, key, value);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of values by running each element in `collection` thru\n\t     * `iteratee`. The iteratee is invoked with three arguments:\n\t     * (value, index|key, collection).\n\t     *\n\t     * Many lodash methods are guarded to work as iteratees for methods like\n\t     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n\t     *\n\t     * The guarded methods are:\n\t     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n\t     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n\t     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n\t     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new mapped array.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * _.map([4, 8], square);\n\t     * // => [16, 64]\n\t     *\n\t     * _.map({ 'a': 4, 'b': 8 }, square);\n\t     * // => [16, 64] (iteration order is not guaranteed)\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney' },\n\t     *   { 'user': 'fred' }\n\t     * ];\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.map(users, 'user');\n\t     * // => ['barney', 'fred']\n\t     */\n\t    function map(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayMap : baseMap;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortBy` except that it allows specifying the sort\n\t     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n\t     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n\t     * descending or \"asc\" for ascending sort order of corresponding values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n\t     *  The iteratees to sort by.\n\t     * @param {string[]} [orders] The sort orders of `iteratees`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n\t     * @returns {Array} Returns the new sorted array.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'fred',   'age': 48 },\n\t     *   { 'user': 'barney', 'age': 34 },\n\t     *   { 'user': 'fred',   'age': 40 },\n\t     *   { 'user': 'barney', 'age': 36 }\n\t     * ];\n\t     *\n\t     * // Sort by `user` in ascending order and by `age` in descending order.\n\t     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n\t     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n\t     */\n\t    function orderBy(collection, iteratees, orders, guard) {\n\t      if (collection == null) {\n\t        return [];\n\t      }\n\t      if (!isArray(iteratees)) {\n\t        iteratees = iteratees == null ? [] : [iteratees];\n\t      }\n\t      orders = guard ? undefined : orders;\n\t      if (!isArray(orders)) {\n\t        orders = orders == null ? [] : [orders];\n\t      }\n\t      return baseOrderBy(collection, iteratees, orders);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of elements split into two groups, the first of which\n\t     * contains elements `predicate` returns truthy for, the second of which\n\t     * contains elements `predicate` returns falsey for. The predicate is\n\t     * invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the array of grouped elements.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36, 'active': false },\n\t     *   { 'user': 'fred',    'age': 40, 'active': true },\n\t     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n\t     * ];\n\t     *\n\t     * _.partition(users, function(o) { return o.active; });\n\t     * // => objects for [['fred'], ['barney', 'pebbles']]\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.partition(users, { 'age': 1, 'active': false });\n\t     * // => objects for [['pebbles'], ['barney', 'fred']]\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.partition(users, ['active', false]);\n\t     * // => objects for [['barney', 'pebbles'], ['fred']]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.partition(users, 'active');\n\t     * // => objects for [['fred'], ['barney', 'pebbles']]\n\t     */\n\t    var partition = createAggregator(function(result, value, key) {\n\t      result[key ? 0 : 1].push(value);\n\t    }, function() { return [[], []]; });\n\t\n\t    /**\n\t     * Reduces `collection` to a value which is the accumulated result of running\n\t     * each element in `collection` thru `iteratee`, where each successive\n\t     * invocation is supplied the return value of the previous. If `accumulator`\n\t     * is not given, the first element of `collection` is used as the initial\n\t     * value. The iteratee is invoked with four arguments:\n\t     * (accumulator, value, index|key, collection).\n\t     *\n\t     * Many lodash methods are guarded to work as iteratees for methods like\n\t     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n\t     *\n\t     * The guarded methods are:\n\t     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n\t     * and `sortBy`\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The initial value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @see _.reduceRight\n\t     * @example\n\t     *\n\t     * _.reduce([1, 2], function(sum, n) {\n\t     *   return sum + n;\n\t     * }, 0);\n\t     * // => 3\n\t     *\n\t     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t     *   (result[value] || (result[value] = [])).push(key);\n\t     *   return result;\n\t     * }, {});\n\t     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n\t     */\n\t    function reduce(collection, iteratee, accumulator) {\n\t      var func = isArray(collection) ? arrayReduce : baseReduce,\n\t          initAccum = arguments.length < 3;\n\t\n\t      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.reduce` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The initial value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @see _.reduce\n\t     * @example\n\t     *\n\t     * var array = [[0, 1], [2, 3], [4, 5]];\n\t     *\n\t     * _.reduceRight(array, function(flattened, other) {\n\t     *   return flattened.concat(other);\n\t     * }, []);\n\t     * // => [4, 5, 2, 3, 0, 1]\n\t     */\n\t    function reduceRight(collection, iteratee, accumulator) {\n\t      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n\t          initAccum = arguments.length < 3;\n\t\n\t      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.filter`; this method returns the elements of `collection`\n\t     * that `predicate` does **not** return truthy for.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     * @see _.filter\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': false },\n\t     *   { 'user': 'fred',   'age': 40, 'active': true }\n\t     * ];\n\t     *\n\t     * _.reject(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.reject(users, { 'age': 40, 'active': true });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.reject(users, ['active', false]);\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.reject(users, 'active');\n\t     * // => objects for ['barney']\n\t     */\n\t    function reject(collection, predicate) {\n\t      var func = isArray(collection) ? arrayFilter : baseFilter;\n\t      return func(collection, negate(getIteratee(predicate, 3)));\n\t    }\n\t\n\t    /**\n\t     * Gets a random element from `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @returns {*} Returns the random element.\n\t     * @example\n\t     *\n\t     * _.sample([1, 2, 3, 4]);\n\t     * // => 2\n\t     */\n\t    function sample(collection) {\n\t      var func = isArray(collection) ? arraySample : baseSample;\n\t      return func(collection);\n\t    }\n\t\n\t    /**\n\t     * Gets `n` random elements at unique keys from `collection` up to the\n\t     * size of `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @param {number} [n=1] The number of elements to sample.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the random elements.\n\t     * @example\n\t     *\n\t     * _.sampleSize([1, 2, 3], 2);\n\t     * // => [3, 1]\n\t     *\n\t     * _.sampleSize([1, 2, 3], 4);\n\t     * // => [2, 3, 1]\n\t     */\n\t    function sampleSize(collection, n, guard) {\n\t      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n\t        n = 1;\n\t      } else {\n\t        n = toInteger(n);\n\t      }\n\t      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n\t      return func(collection, n);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of shuffled values, using a version of the\n\t     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     * @example\n\t     *\n\t     * _.shuffle([1, 2, 3, 4]);\n\t     * // => [4, 1, 3, 2]\n\t     */\n\t    function shuffle(collection) {\n\t      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n\t      return func(collection);\n\t    }\n\t\n\t    /**\n\t     * Gets the size of `collection` by returning its length for array-like\n\t     * values or the number of own enumerable string keyed properties for objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object|string} collection The collection to inspect.\n\t     * @returns {number} Returns the collection size.\n\t     * @example\n\t     *\n\t     * _.size([1, 2, 3]);\n\t     * // => 3\n\t     *\n\t     * _.size({ 'a': 1, 'b': 2 });\n\t     * // => 2\n\t     *\n\t     * _.size('pebbles');\n\t     * // => 7\n\t     */\n\t    function size(collection) {\n\t      if (collection == null) {\n\t        return 0;\n\t      }\n\t      if (isArrayLike(collection)) {\n\t        return isString(collection) ? stringSize(collection) : collection.length;\n\t      }\n\t      var tag = getTag(collection);\n\t      if (tag == mapTag || tag == setTag) {\n\t        return collection.size;\n\t      }\n\t      return baseKeys(collection).length;\n\t    }\n\t\n\t    /**\n\t     * Checks if `predicate` returns truthy for **any** element of `collection`.\n\t     * Iteration is stopped once `predicate` returns truthy. The predicate is\n\t     * invoked with three arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.some([null, 0, 'yes', false], Boolean);\n\t     * // => true\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'active': true },\n\t     *   { 'user': 'fred',   'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.some(users, { 'user': 'barney', 'active': false });\n\t     * // => false\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.some(users, ['active', false]);\n\t     * // => true\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.some(users, 'active');\n\t     * // => true\n\t     */\n\t    function some(collection, predicate, guard) {\n\t      var func = isArray(collection) ? arraySome : baseSome;\n\t      if (guard && isIterateeCall(collection, predicate, guard)) {\n\t        predicate = undefined;\n\t      }\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of elements, sorted in ascending order by the results of\n\t     * running each element in a collection thru each iteratee. This method\n\t     * performs a stable sort, that is, it preserves the original sort order of\n\t     * equal elements. The iteratees are invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n\t     *  The iteratees to sort by.\n\t     * @returns {Array} Returns the new sorted array.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'fred',   'age': 48 },\n\t     *   { 'user': 'barney', 'age': 36 },\n\t     *   { 'user': 'fred',   'age': 40 },\n\t     *   { 'user': 'barney', 'age': 34 }\n\t     * ];\n\t     *\n\t     * _.sortBy(users, [function(o) { return o.user; }]);\n\t     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n\t     *\n\t     * _.sortBy(users, ['user', 'age']);\n\t     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n\t     */\n\t    var sortBy = baseRest(function(collection, iteratees) {\n\t      if (collection == null) {\n\t        return [];\n\t      }\n\t      var length = iteratees.length;\n\t      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n\t        iteratees = [];\n\t      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n\t        iteratees = [iteratees[0]];\n\t      }\n\t      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n\t    });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Gets the timestamp of the number of milliseconds that have elapsed since\n\t     * the Unix epoch (1 January 1970 00:00:00 UTC).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Date\n\t     * @returns {number} Returns the timestamp.\n\t     * @example\n\t     *\n\t     * _.defer(function(stamp) {\n\t     *   console.log(_.now() - stamp);\n\t     * }, _.now());\n\t     * // => Logs the number of milliseconds it took for the deferred invocation.\n\t     */\n\t    var now = ctxNow || function() {\n\t      return root.Date.now();\n\t    };\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * The opposite of `_.before`; this method creates a function that invokes\n\t     * `func` once it's called `n` or more times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {number} n The number of calls before `func` is invoked.\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * var saves = ['profile', 'settings'];\n\t     *\n\t     * var done = _.after(saves.length, function() {\n\t     *   console.log('done saving!');\n\t     * });\n\t     *\n\t     * _.forEach(saves, function(type) {\n\t     *   asyncSave({ 'type': type, 'complete': done });\n\t     * });\n\t     * // => Logs 'done saving!' after the two async saves have completed.\n\t     */\n\t    function after(n, func) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      n = toInteger(n);\n\t      return function() {\n\t        if (--n < 1) {\n\t          return func.apply(this, arguments);\n\t        }\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func`, with up to `n` arguments,\n\t     * ignoring any additional arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to cap arguments for.\n\t     * @param {number} [n=func.length] The arity cap.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new capped function.\n\t     * @example\n\t     *\n\t     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n\t     * // => [6, 8, 10]\n\t     */\n\t    function ary(func, n, guard) {\n\t      n = guard ? undefined : n;\n\t      n = (func && n == null) ? func.length : n;\n\t      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func`, with the `this` binding and arguments\n\t     * of the created function, while it's called less than `n` times. Subsequent\n\t     * calls to the created function return the result of the last `func` invocation.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {number} n The number of calls at which `func` is no longer invoked.\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * jQuery(element).on('click', _.before(5, addContactToList));\n\t     * // => Allows adding up to 4 contacts to the list.\n\t     */\n\t    function before(n, func) {\n\t      var result;\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      n = toInteger(n);\n\t      return function() {\n\t        if (--n > 0) {\n\t          result = func.apply(this, arguments);\n\t        }\n\t        if (n <= 1) {\n\t          func = undefined;\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n\t     * and `partials` prepended to the arguments it receives.\n\t     *\n\t     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n\t     * may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n\t     * property of bound functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to bind.\n\t     * @param {*} thisArg The `this` binding of `func`.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new bound function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, punctuation) {\n\t     *   return greeting + ' ' + this.user + punctuation;\n\t     * }\n\t     *\n\t     * var object = { 'user': 'fred' };\n\t     *\n\t     * var bound = _.bind(greet, object, 'hi');\n\t     * bound('!');\n\t     * // => 'hi fred!'\n\t     *\n\t     * // Bound with placeholders.\n\t     * var bound = _.bind(greet, object, _, '!');\n\t     * bound('hi');\n\t     * // => 'hi fred!'\n\t     */\n\t    var bind = baseRest(function(func, thisArg, partials) {\n\t      var bitmask = WRAP_BIND_FLAG;\n\t      if (partials.length) {\n\t        var holders = replaceHolders(partials, getHolder(bind));\n\t        bitmask |= WRAP_PARTIAL_FLAG;\n\t      }\n\t      return createWrap(func, bitmask, thisArg, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes the method at `object[key]` with `partials`\n\t     * prepended to the arguments it receives.\n\t     *\n\t     * This method differs from `_.bind` by allowing bound functions to reference\n\t     * methods that may be redefined or don't yet exist. See\n\t     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n\t     * for more details.\n\t     *\n\t     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.10.0\n\t     * @category Function\n\t     * @param {Object} object The object to invoke the method on.\n\t     * @param {string} key The key of the method.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new bound function.\n\t     * @example\n\t     *\n\t     * var object = {\n\t     *   'user': 'fred',\n\t     *   'greet': function(greeting, punctuation) {\n\t     *     return greeting + ' ' + this.user + punctuation;\n\t     *   }\n\t     * };\n\t     *\n\t     * var bound = _.bindKey(object, 'greet', 'hi');\n\t     * bound('!');\n\t     * // => 'hi fred!'\n\t     *\n\t     * object.greet = function(greeting, punctuation) {\n\t     *   return greeting + 'ya ' + this.user + punctuation;\n\t     * };\n\t     *\n\t     * bound('!');\n\t     * // => 'hiya fred!'\n\t     *\n\t     * // Bound with placeholders.\n\t     * var bound = _.bindKey(object, 'greet', _, '!');\n\t     * bound('hi');\n\t     * // => 'hiya fred!'\n\t     */\n\t    var bindKey = baseRest(function(object, key, partials) {\n\t      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n\t      if (partials.length) {\n\t        var holders = replaceHolders(partials, getHolder(bindKey));\n\t        bitmask |= WRAP_PARTIAL_FLAG;\n\t      }\n\t      return createWrap(key, bitmask, object, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that accepts arguments of `func` and either invokes\n\t     * `func` returning its result, if at least `arity` number of arguments have\n\t     * been provided, or returns a function that accepts the remaining `func`\n\t     * arguments, and so on. The arity of `func` may be specified if `func.length`\n\t     * is not sufficient.\n\t     *\n\t     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n\t     * may be used as a placeholder for provided arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of curried functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to curry.\n\t     * @param {number} [arity=func.length] The arity of `func`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new curried function.\n\t     * @example\n\t     *\n\t     * var abc = function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * };\n\t     *\n\t     * var curried = _.curry(abc);\n\t     *\n\t     * curried(1)(2)(3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2)(3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2, 3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * // Curried with placeholders.\n\t     * curried(1)(_, 3)(2);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function curry(func, arity, guard) {\n\t      arity = guard ? undefined : arity;\n\t      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n\t      result.placeholder = curry.placeholder;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.curry` except that arguments are applied to `func`\n\t     * in the manner of `_.partialRight` instead of `_.partial`.\n\t     *\n\t     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for provided arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of curried functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to curry.\n\t     * @param {number} [arity=func.length] The arity of `func`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new curried function.\n\t     * @example\n\t     *\n\t     * var abc = function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * };\n\t     *\n\t     * var curried = _.curryRight(abc);\n\t     *\n\t     * curried(3)(2)(1);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(2, 3)(1);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2, 3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * // Curried with placeholders.\n\t     * curried(3)(1, _)(2);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function curryRight(func, arity, guard) {\n\t      arity = guard ? undefined : arity;\n\t      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n\t      result.placeholder = curryRight.placeholder;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a debounced function that delays invoking `func` until after `wait`\n\t     * milliseconds have elapsed since the last time the debounced function was\n\t     * invoked. The debounced function comes with a `cancel` method to cancel\n\t     * delayed `func` invocations and a `flush` method to immediately invoke them.\n\t     * Provide `options` to indicate whether `func` should be invoked on the\n\t     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n\t     * with the last arguments provided to the debounced function. Subsequent\n\t     * calls to the debounced function return the result of the last `func`\n\t     * invocation.\n\t     *\n\t     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n\t     * invoked on the trailing edge of the timeout only if the debounced function\n\t     * is invoked more than once during the `wait` timeout.\n\t     *\n\t     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n\t     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n\t     *\n\t     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n\t     * for details over the differences between `_.debounce` and `_.throttle`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to debounce.\n\t     * @param {number} [wait=0] The number of milliseconds to delay.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.leading=false]\n\t     *  Specify invoking on the leading edge of the timeout.\n\t     * @param {number} [options.maxWait]\n\t     *  The maximum time `func` is allowed to be delayed before it's invoked.\n\t     * @param {boolean} [options.trailing=true]\n\t     *  Specify invoking on the trailing edge of the timeout.\n\t     * @returns {Function} Returns the new debounced function.\n\t     * @example\n\t     *\n\t     * // Avoid costly calculations while the window size is in flux.\n\t     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n\t     *\n\t     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n\t     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n\t     *   'leading': true,\n\t     *   'trailing': false\n\t     * }));\n\t     *\n\t     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n\t     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n\t     * var source = new EventSource('/stream');\n\t     * jQuery(source).on('message', debounced);\n\t     *\n\t     * // Cancel the trailing debounced invocation.\n\t     * jQuery(window).on('popstate', debounced.cancel);\n\t     */\n\t    function debounce(func, wait, options) {\n\t      var lastArgs,\n\t          lastThis,\n\t          maxWait,\n\t          result,\n\t          timerId,\n\t          lastCallTime,\n\t          lastInvokeTime = 0,\n\t          leading = false,\n\t          maxing = false,\n\t          trailing = true;\n\t\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      wait = toNumber(wait) || 0;\n\t      if (isObject(options)) {\n\t        leading = !!options.leading;\n\t        maxing = 'maxWait' in options;\n\t        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n\t        trailing = 'trailing' in options ? !!options.trailing : trailing;\n\t      }\n\t\n\t      function invokeFunc(time) {\n\t        var args = lastArgs,\n\t            thisArg = lastThis;\n\t\n\t        lastArgs = lastThis = undefined;\n\t        lastInvokeTime = time;\n\t        result = func.apply(thisArg, args);\n\t        return result;\n\t      }\n\t\n\t      function leadingEdge(time) {\n\t        // Reset any `maxWait` timer.\n\t        lastInvokeTime = time;\n\t        // Start the timer for the trailing edge.\n\t        timerId = setTimeout(timerExpired, wait);\n\t        // Invoke the leading edge.\n\t        return leading ? invokeFunc(time) : result;\n\t      }\n\t\n\t      function remainingWait(time) {\n\t        var timeSinceLastCall = time - lastCallTime,\n\t            timeSinceLastInvoke = time - lastInvokeTime,\n\t            result = wait - timeSinceLastCall;\n\t\n\t        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n\t      }\n\t\n\t      function shouldInvoke(time) {\n\t        var timeSinceLastCall = time - lastCallTime,\n\t            timeSinceLastInvoke = time - lastInvokeTime;\n\t\n\t        // Either this is the first call, activity has stopped and we're at the\n\t        // trailing edge, the system time has gone backwards and we're treating\n\t        // it as the trailing edge, or we've hit the `maxWait` limit.\n\t        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n\t          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n\t      }\n\t\n\t      function timerExpired() {\n\t        var time = now();\n\t        if (shouldInvoke(time)) {\n\t          return trailingEdge(time);\n\t        }\n\t        // Restart the timer.\n\t        timerId = setTimeout(timerExpired, remainingWait(time));\n\t      }\n\t\n\t      function trailingEdge(time) {\n\t        timerId = undefined;\n\t\n\t        // Only invoke if we have `lastArgs` which means `func` has been\n\t        // debounced at least once.\n\t        if (trailing && lastArgs) {\n\t          return invokeFunc(time);\n\t        }\n\t        lastArgs = lastThis = undefined;\n\t        return result;\n\t      }\n\t\n\t      function cancel() {\n\t        if (timerId !== undefined) {\n\t          clearTimeout(timerId);\n\t        }\n\t        lastInvokeTime = 0;\n\t        lastArgs = lastCallTime = lastThis = timerId = undefined;\n\t      }\n\t\n\t      function flush() {\n\t        return timerId === undefined ? result : trailingEdge(now());\n\t      }\n\t\n\t      function debounced() {\n\t        var time = now(),\n\t            isInvoking = shouldInvoke(time);\n\t\n\t        lastArgs = arguments;\n\t        lastThis = this;\n\t        lastCallTime = time;\n\t\n\t        if (isInvoking) {\n\t          if (timerId === undefined) {\n\t            return leadingEdge(lastCallTime);\n\t          }\n\t          if (maxing) {\n\t            // Handle invocations in a tight loop.\n\t            timerId = setTimeout(timerExpired, wait);\n\t            return invokeFunc(lastCallTime);\n\t          }\n\t        }\n\t        if (timerId === undefined) {\n\t          timerId = setTimeout(timerExpired, wait);\n\t        }\n\t        return result;\n\t      }\n\t      debounced.cancel = cancel;\n\t      debounced.flush = flush;\n\t      return debounced;\n\t    }\n\t\n\t    /**\n\t     * Defers invoking the `func` until the current call stack has cleared. Any\n\t     * additional arguments are provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to defer.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {number} Returns the timer id.\n\t     * @example\n\t     *\n\t     * _.defer(function(text) {\n\t     *   console.log(text);\n\t     * }, 'deferred');\n\t     * // => Logs 'deferred' after one millisecond.\n\t     */\n\t    var defer = baseRest(function(func, args) {\n\t      return baseDelay(func, 1, args);\n\t    });\n\t\n\t    /**\n\t     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n\t     * provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {number} Returns the timer id.\n\t     * @example\n\t     *\n\t     * _.delay(function(text) {\n\t     *   console.log(text);\n\t     * }, 1000, 'later');\n\t     * // => Logs 'later' after one second.\n\t     */\n\t    var delay = baseRest(function(func, wait, args) {\n\t      return baseDelay(func, toNumber(wait) || 0, args);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with arguments reversed.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to flip arguments for.\n\t     * @returns {Function} Returns the new flipped function.\n\t     * @example\n\t     *\n\t     * var flipped = _.flip(function() {\n\t     *   return _.toArray(arguments);\n\t     * });\n\t     *\n\t     * flipped('a', 'b', 'c', 'd');\n\t     * // => ['d', 'c', 'b', 'a']\n\t     */\n\t    function flip(func) {\n\t      return createWrap(func, WRAP_FLIP_FLAG);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that memoizes the result of `func`. If `resolver` is\n\t     * provided, it determines the cache key for storing the result based on the\n\t     * arguments provided to the memoized function. By default, the first argument\n\t     * provided to the memoized function is used as the map cache key. The `func`\n\t     * is invoked with the `this` binding of the memoized function.\n\t     *\n\t     * **Note:** The cache is exposed as the `cache` property on the memoized\n\t     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n\t     * constructor with one whose instances implement the\n\t     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n\t     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to have its output memoized.\n\t     * @param {Function} [resolver] The function to resolve the cache key.\n\t     * @returns {Function} Returns the new memoized function.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     * var other = { 'c': 3, 'd': 4 };\n\t     *\n\t     * var values = _.memoize(_.values);\n\t     * values(object);\n\t     * // => [1, 2]\n\t     *\n\t     * values(other);\n\t     * // => [3, 4]\n\t     *\n\t     * object.a = 2;\n\t     * values(object);\n\t     * // => [1, 2]\n\t     *\n\t     * // Modify the result cache.\n\t     * values.cache.set(object, ['a', 'b']);\n\t     * values(object);\n\t     * // => ['a', 'b']\n\t     *\n\t     * // Replace `_.memoize.Cache`.\n\t     * _.memoize.Cache = WeakMap;\n\t     */\n\t    function memoize(func, resolver) {\n\t      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      var memoized = function() {\n\t        var args = arguments,\n\t            key = resolver ? resolver.apply(this, args) : args[0],\n\t            cache = memoized.cache;\n\t\n\t        if (cache.has(key)) {\n\t          return cache.get(key);\n\t        }\n\t        var result = func.apply(this, args);\n\t        memoized.cache = cache.set(key, result) || cache;\n\t        return result;\n\t      };\n\t      memoized.cache = new (memoize.Cache || MapCache);\n\t      return memoized;\n\t    }\n\t\n\t    // Expose `MapCache`.\n\t    memoize.Cache = MapCache;\n\t\n\t    /**\n\t     * Creates a function that negates the result of the predicate `func`. The\n\t     * `func` predicate is invoked with the `this` binding and arguments of the\n\t     * created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} predicate The predicate to negate.\n\t     * @returns {Function} Returns the new negated function.\n\t     * @example\n\t     *\n\t     * function isEven(n) {\n\t     *   return n % 2 == 0;\n\t     * }\n\t     *\n\t     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n\t     * // => [1, 3, 5]\n\t     */\n\t    function negate(predicate) {\n\t      if (typeof predicate != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      return function() {\n\t        var args = arguments;\n\t        switch (args.length) {\n\t          case 0: return !predicate.call(this);\n\t          case 1: return !predicate.call(this, args[0]);\n\t          case 2: return !predicate.call(this, args[0], args[1]);\n\t          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n\t        }\n\t        return !predicate.apply(this, args);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that is restricted to invoking `func` once. Repeat calls\n\t     * to the function return the value of the first invocation. The `func` is\n\t     * invoked with the `this` binding and arguments of the created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * var initialize = _.once(createApplication);\n\t     * initialize();\n\t     * initialize();\n\t     * // => `createApplication` is invoked once\n\t     */\n\t    function once(func) {\n\t      return before(2, func);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with its arguments transformed.\n\t     *\n\t     * @static\n\t     * @since 4.0.0\n\t     * @memberOf _\n\t     * @category Function\n\t     * @param {Function} func The function to wrap.\n\t     * @param {...(Function|Function[])} [transforms=[_.identity]]\n\t     *  The argument transforms.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * function doubled(n) {\n\t     *   return n * 2;\n\t     * }\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var func = _.overArgs(function(x, y) {\n\t     *   return [x, y];\n\t     * }, [square, doubled]);\n\t     *\n\t     * func(9, 3);\n\t     * // => [81, 6]\n\t     *\n\t     * func(10, 5);\n\t     * // => [100, 10]\n\t     */\n\t    var overArgs = castRest(function(func, transforms) {\n\t      transforms = (transforms.length == 1 && isArray(transforms[0]))\n\t        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n\t        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\t\n\t      var funcsLength = transforms.length;\n\t      return baseRest(function(args) {\n\t        var index = -1,\n\t            length = nativeMin(args.length, funcsLength);\n\t\n\t        while (++index < length) {\n\t          args[index] = transforms[index].call(this, args[index]);\n\t        }\n\t        return apply(func, this, args);\n\t      });\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with `partials` prepended to the\n\t     * arguments it receives. This method is like `_.bind` except it does **not**\n\t     * alter the `this` binding.\n\t     *\n\t     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of partially\n\t     * applied functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.2.0\n\t     * @category Function\n\t     * @param {Function} func The function to partially apply arguments to.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new partially applied function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, name) {\n\t     *   return greeting + ' ' + name;\n\t     * }\n\t     *\n\t     * var sayHelloTo = _.partial(greet, 'hello');\n\t     * sayHelloTo('fred');\n\t     * // => 'hello fred'\n\t     *\n\t     * // Partially applied with placeholders.\n\t     * var greetFred = _.partial(greet, _, 'fred');\n\t     * greetFred('hi');\n\t     * // => 'hi fred'\n\t     */\n\t    var partial = baseRest(function(func, partials) {\n\t      var holders = replaceHolders(partials, getHolder(partial));\n\t      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.partial` except that partially applied arguments\n\t     * are appended to the arguments it receives.\n\t     *\n\t     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of partially\n\t     * applied functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to partially apply arguments to.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new partially applied function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, name) {\n\t     *   return greeting + ' ' + name;\n\t     * }\n\t     *\n\t     * var greetFred = _.partialRight(greet, 'fred');\n\t     * greetFred('hi');\n\t     * // => 'hi fred'\n\t     *\n\t     * // Partially applied with placeholders.\n\t     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n\t     * sayHelloTo('fred');\n\t     * // => 'hello fred'\n\t     */\n\t    var partialRight = baseRest(function(func, partials) {\n\t      var holders = replaceHolders(partials, getHolder(partialRight));\n\t      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with arguments arranged according\n\t     * to the specified `indexes` where the argument value at the first index is\n\t     * provided as the first argument, the argument value at the second index is\n\t     * provided as the second argument, and so on.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to rearrange arguments for.\n\t     * @param {...(number|number[])} indexes The arranged argument indexes.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var rearged = _.rearg(function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * }, [2, 0, 1]);\n\t     *\n\t     * rearged('b', 'c', 'a')\n\t     * // => ['a', 'b', 'c']\n\t     */\n\t    var rearg = flatRest(function(func, indexes) {\n\t      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of the\n\t     * created function and arguments from `start` and beyond provided as\n\t     * an array.\n\t     *\n\t     * **Note:** This method is based on the\n\t     * [rest parameter](https://mdn.io/rest_parameters).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var say = _.rest(function(what, names) {\n\t     *   return what + ' ' + _.initial(names).join(', ') +\n\t     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n\t     * });\n\t     *\n\t     * say('hello', 'fred', 'barney', 'pebbles');\n\t     * // => 'hello fred, barney, & pebbles'\n\t     */\n\t    function rest(func, start) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      start = start === undefined ? start : toInteger(start);\n\t      return baseRest(func, start);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of the\n\t     * create function and an array of arguments much like\n\t     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n\t     *\n\t     * **Note:** This method is based on the\n\t     * [spread operator](https://mdn.io/spread_operator).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Function\n\t     * @param {Function} func The function to spread arguments over.\n\t     * @param {number} [start=0] The start position of the spread.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var say = _.spread(function(who, what) {\n\t     *   return who + ' says ' + what;\n\t     * });\n\t     *\n\t     * say(['fred', 'hello']);\n\t     * // => 'fred says hello'\n\t     *\n\t     * var numbers = Promise.all([\n\t     *   Promise.resolve(40),\n\t     *   Promise.resolve(36)\n\t     * ]);\n\t     *\n\t     * numbers.then(_.spread(function(x, y) {\n\t     *   return x + y;\n\t     * }));\n\t     * // => a Promise of 76\n\t     */\n\t    function spread(func, start) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n\t      return baseRest(function(args) {\n\t        var array = args[start],\n\t            otherArgs = castSlice(args, 0, start);\n\t\n\t        if (array) {\n\t          arrayPush(otherArgs, array);\n\t        }\n\t        return apply(func, this, otherArgs);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a throttled function that only invokes `func` at most once per\n\t     * every `wait` milliseconds. The throttled function comes with a `cancel`\n\t     * method to cancel delayed `func` invocations and a `flush` method to\n\t     * immediately invoke them. Provide `options` to indicate whether `func`\n\t     * should be invoked on the leading and/or trailing edge of the `wait`\n\t     * timeout. The `func` is invoked with the last arguments provided to the\n\t     * throttled function. Subsequent calls to the throttled function return the\n\t     * result of the last `func` invocation.\n\t     *\n\t     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n\t     * invoked on the trailing edge of the timeout only if the throttled function\n\t     * is invoked more than once during the `wait` timeout.\n\t     *\n\t     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n\t     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n\t     *\n\t     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n\t     * for details over the differences between `_.throttle` and `_.debounce`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to throttle.\n\t     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.leading=true]\n\t     *  Specify invoking on the leading edge of the timeout.\n\t     * @param {boolean} [options.trailing=true]\n\t     *  Specify invoking on the trailing edge of the timeout.\n\t     * @returns {Function} Returns the new throttled function.\n\t     * @example\n\t     *\n\t     * // Avoid excessively updating the position while scrolling.\n\t     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n\t     *\n\t     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n\t     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n\t     * jQuery(element).on('click', throttled);\n\t     *\n\t     * // Cancel the trailing throttled invocation.\n\t     * jQuery(window).on('popstate', throttled.cancel);\n\t     */\n\t    function throttle(func, wait, options) {\n\t      var leading = true,\n\t          trailing = true;\n\t\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      if (isObject(options)) {\n\t        leading = 'leading' in options ? !!options.leading : leading;\n\t        trailing = 'trailing' in options ? !!options.trailing : trailing;\n\t      }\n\t      return debounce(func, wait, {\n\t        'leading': leading,\n\t        'maxWait': wait,\n\t        'trailing': trailing\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that accepts up to one argument, ignoring any\n\t     * additional arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to cap arguments for.\n\t     * @returns {Function} Returns the new capped function.\n\t     * @example\n\t     *\n\t     * _.map(['6', '8', '10'], _.unary(parseInt));\n\t     * // => [6, 8, 10]\n\t     */\n\t    function unary(func) {\n\t      return ary(func, 1);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that provides `value` to `wrapper` as its first\n\t     * argument. Any additional arguments provided to the function are appended\n\t     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n\t     * binding of the created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {*} value The value to wrap.\n\t     * @param {Function} [wrapper=identity] The wrapper function.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var p = _.wrap(_.escape, function(func, text) {\n\t     *   return '<p>' + func(text) + '</p>';\n\t     * });\n\t     *\n\t     * p('fred, barney, & pebbles');\n\t     * // => '<p>fred, barney, &amp; pebbles</p>'\n\t     */\n\t    function wrap(value, wrapper) {\n\t      return partial(castFunction(wrapper), value);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Casts `value` as an array if it's not one.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.4.0\n\t     * @category Lang\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Array} Returns the cast array.\n\t     * @example\n\t     *\n\t     * _.castArray(1);\n\t     * // => [1]\n\t     *\n\t     * _.castArray({ 'a': 1 });\n\t     * // => [{ 'a': 1 }]\n\t     *\n\t     * _.castArray('abc');\n\t     * // => ['abc']\n\t     *\n\t     * _.castArray(null);\n\t     * // => [null]\n\t     *\n\t     * _.castArray(undefined);\n\t     * // => [undefined]\n\t     *\n\t     * _.castArray();\n\t     * // => []\n\t     *\n\t     * var array = [1, 2, 3];\n\t     * console.log(_.castArray(array) === array);\n\t     * // => true\n\t     */\n\t    function castArray() {\n\t      if (!arguments.length) {\n\t        return [];\n\t      }\n\t      var value = arguments[0];\n\t      return isArray(value) ? value : [value];\n\t    }\n\t\n\t    /**\n\t     * Creates a shallow clone of `value`.\n\t     *\n\t     * **Note:** This method is loosely based on the\n\t     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n\t     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n\t     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n\t     * arrays. The own enumerable properties of `arguments` objects are cloned\n\t     * as plain objects. An empty object is returned for uncloneable values such\n\t     * as error objects, functions, DOM nodes, and WeakMaps.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to clone.\n\t     * @returns {*} Returns the cloned value.\n\t     * @see _.cloneDeep\n\t     * @example\n\t     *\n\t     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t     *\n\t     * var shallow = _.clone(objects);\n\t     * console.log(shallow[0] === objects[0]);\n\t     * // => true\n\t     */\n\t    function clone(value) {\n\t      return baseClone(value, CLONE_SYMBOLS_FLAG);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.clone` except that it accepts `customizer` which\n\t     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n\t     * cloning is handled by the method instead. The `customizer` is invoked with\n\t     * up to four arguments; (value [, index|key, object, stack]).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to clone.\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @returns {*} Returns the cloned value.\n\t     * @see _.cloneDeepWith\n\t     * @example\n\t     *\n\t     * function customizer(value) {\n\t     *   if (_.isElement(value)) {\n\t     *     return value.cloneNode(false);\n\t     *   }\n\t     * }\n\t     *\n\t     * var el = _.cloneWith(document.body, customizer);\n\t     *\n\t     * console.log(el === document.body);\n\t     * // => false\n\t     * console.log(el.nodeName);\n\t     * // => 'BODY'\n\t     * console.log(el.childNodes.length);\n\t     * // => 0\n\t     */\n\t    function cloneWith(value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.clone` except that it recursively clones `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to recursively clone.\n\t     * @returns {*} Returns the deep cloned value.\n\t     * @see _.clone\n\t     * @example\n\t     *\n\t     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t     *\n\t     * var deep = _.cloneDeep(objects);\n\t     * console.log(deep[0] === objects[0]);\n\t     * // => false\n\t     */\n\t    function cloneDeep(value) {\n\t      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.cloneWith` except that it recursively clones `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to recursively clone.\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @returns {*} Returns the deep cloned value.\n\t     * @see _.cloneWith\n\t     * @example\n\t     *\n\t     * function customizer(value) {\n\t     *   if (_.isElement(value)) {\n\t     *     return value.cloneNode(true);\n\t     *   }\n\t     * }\n\t     *\n\t     * var el = _.cloneDeepWith(document.body, customizer);\n\t     *\n\t     * console.log(el === document.body);\n\t     * // => false\n\t     * console.log(el.nodeName);\n\t     * // => 'BODY'\n\t     * console.log(el.childNodes.length);\n\t     * // => 20\n\t     */\n\t    function cloneDeepWith(value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n\t    }\n\t\n\t    /**\n\t     * Checks if `object` conforms to `source` by invoking the predicate\n\t     * properties of `source` with the corresponding property values of `object`.\n\t     *\n\t     * **Note:** This method is equivalent to `_.conforms` when `source` is\n\t     * partially applied.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.14.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     *\n\t     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n\t     * // => true\n\t     *\n\t     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n\t     * // => false\n\t     */\n\t    function conformsTo(object, source) {\n\t      return source == null || baseConformsTo(object, source, keys(source));\n\t    }\n\t\n\t    /**\n\t     * Performs a\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * comparison between two values to determine if they are equivalent.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     * var other = { 'a': 1 };\n\t     *\n\t     * _.eq(object, object);\n\t     * // => true\n\t     *\n\t     * _.eq(object, other);\n\t     * // => false\n\t     *\n\t     * _.eq('a', 'a');\n\t     * // => true\n\t     *\n\t     * _.eq('a', Object('a'));\n\t     * // => false\n\t     *\n\t     * _.eq(NaN, NaN);\n\t     * // => true\n\t     */\n\t    function eq(value, other) {\n\t      return value === other || (value !== value && other !== other);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is greater than `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t     *  else `false`.\n\t     * @see _.lt\n\t     * @example\n\t     *\n\t     * _.gt(3, 1);\n\t     * // => true\n\t     *\n\t     * _.gt(3, 3);\n\t     * // => false\n\t     *\n\t     * _.gt(1, 3);\n\t     * // => false\n\t     */\n\t    var gt = createRelationalOperation(baseGt);\n\t\n\t    /**\n\t     * Checks if `value` is greater than or equal to `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n\t     *  `other`, else `false`.\n\t     * @see _.lte\n\t     * @example\n\t     *\n\t     * _.gte(3, 1);\n\t     * // => true\n\t     *\n\t     * _.gte(3, 3);\n\t     * // => true\n\t     *\n\t     * _.gte(1, 3);\n\t     * // => false\n\t     */\n\t    var gte = createRelationalOperation(function(value, other) {\n\t      return value >= other;\n\t    });\n\t\n\t    /**\n\t     * Checks if `value` is likely an `arguments` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isArguments(function() { return arguments; }());\n\t     * // => true\n\t     *\n\t     * _.isArguments([1, 2, 3]);\n\t     * // => false\n\t     */\n\t    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n\t      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n\t        !propertyIsEnumerable.call(value, 'callee');\n\t    };\n\t\n\t    /**\n\t     * Checks if `value` is classified as an `Array` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArray([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArray(document.body.children);\n\t     * // => false\n\t     *\n\t     * _.isArray('abc');\n\t     * // => false\n\t     *\n\t     * _.isArray(_.noop);\n\t     * // => false\n\t     */\n\t    var isArray = Array.isArray;\n\t\n\t    /**\n\t     * Checks if `value` is classified as an `ArrayBuffer` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayBuffer(new ArrayBuffer(2));\n\t     * // => true\n\t     *\n\t     * _.isArrayBuffer(new Array(2));\n\t     * // => false\n\t     */\n\t    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\t\n\t    /**\n\t     * Checks if `value` is array-like. A value is considered array-like if it's\n\t     * not a function and has a `value.length` that's an integer greater than or\n\t     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayLike([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArrayLike(document.body.children);\n\t     * // => true\n\t     *\n\t     * _.isArrayLike('abc');\n\t     * // => true\n\t     *\n\t     * _.isArrayLike(_.noop);\n\t     * // => false\n\t     */\n\t    function isArrayLike(value) {\n\t      return value != null && isLength(value.length) && !isFunction(value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isArrayLike` except that it also checks if `value`\n\t     * is an object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array-like object,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayLikeObject([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArrayLikeObject(document.body.children);\n\t     * // => true\n\t     *\n\t     * _.isArrayLikeObject('abc');\n\t     * // => false\n\t     *\n\t     * _.isArrayLikeObject(_.noop);\n\t     * // => false\n\t     */\n\t    function isArrayLikeObject(value) {\n\t      return isObjectLike(value) && isArrayLike(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a boolean primitive or object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n\t     * @example\n\t     *\n\t     * _.isBoolean(false);\n\t     * // => true\n\t     *\n\t     * _.isBoolean(null);\n\t     * // => false\n\t     */\n\t    function isBoolean(value) {\n\t      return value === true || value === false ||\n\t        (isObjectLike(value) && baseGetTag(value) == boolTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a buffer.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isBuffer(new Buffer(2));\n\t     * // => true\n\t     *\n\t     * _.isBuffer(new Uint8Array(2));\n\t     * // => false\n\t     */\n\t    var isBuffer = nativeIsBuffer || stubFalse;\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Date` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isDate(new Date);\n\t     * // => true\n\t     *\n\t     * _.isDate('Mon April 23 2012');\n\t     * // => false\n\t     */\n\t    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\t\n\t    /**\n\t     * Checks if `value` is likely a DOM element.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n\t     * @example\n\t     *\n\t     * _.isElement(document.body);\n\t     * // => true\n\t     *\n\t     * _.isElement('<body>');\n\t     * // => false\n\t     */\n\t    function isElement(value) {\n\t      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an empty object, collection, map, or set.\n\t     *\n\t     * Objects are considered empty if they have no own enumerable string keyed\n\t     * properties.\n\t     *\n\t     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n\t     * jQuery-like collections are considered empty if they have a `length` of `0`.\n\t     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n\t     * @example\n\t     *\n\t     * _.isEmpty(null);\n\t     * // => true\n\t     *\n\t     * _.isEmpty(true);\n\t     * // => true\n\t     *\n\t     * _.isEmpty(1);\n\t     * // => true\n\t     *\n\t     * _.isEmpty([1, 2, 3]);\n\t     * // => false\n\t     *\n\t     * _.isEmpty({ 'a': 1 });\n\t     * // => false\n\t     */\n\t    function isEmpty(value) {\n\t      if (value == null) {\n\t        return true;\n\t      }\n\t      if (isArrayLike(value) &&\n\t          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n\t            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n\t        return !value.length;\n\t      }\n\t      var tag = getTag(value);\n\t      if (tag == mapTag || tag == setTag) {\n\t        return !value.size;\n\t      }\n\t      if (isPrototype(value)) {\n\t        return !baseKeys(value).length;\n\t      }\n\t      for (var key in value) {\n\t        if (hasOwnProperty.call(value, key)) {\n\t          return false;\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Performs a deep comparison between two values to determine if they are\n\t     * equivalent.\n\t     *\n\t     * **Note:** This method supports comparing arrays, array buffers, booleans,\n\t     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n\t     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n\t     * by their own, not inherited, enumerable properties. Functions and DOM\n\t     * nodes are compared by strict equality, i.e. `===`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     * var other = { 'a': 1 };\n\t     *\n\t     * _.isEqual(object, other);\n\t     * // => true\n\t     *\n\t     * object === other;\n\t     * // => false\n\t     */\n\t    function isEqual(value, other) {\n\t      return baseIsEqual(value, other);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isEqual` except that it accepts `customizer` which\n\t     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t     * are handled by the method instead. The `customizer` is invoked with up to\n\t     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * function isGreeting(value) {\n\t     *   return /^h(?:i|ello)$/.test(value);\n\t     * }\n\t     *\n\t     * function customizer(objValue, othValue) {\n\t     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n\t     *     return true;\n\t     *   }\n\t     * }\n\t     *\n\t     * var array = ['hello', 'goodbye'];\n\t     * var other = ['hi', 'goodbye'];\n\t     *\n\t     * _.isEqualWith(array, other, customizer);\n\t     * // => true\n\t     */\n\t    function isEqualWith(value, other, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      var result = customizer ? customizer(value, other) : undefined;\n\t      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n\t     * `SyntaxError`, `TypeError`, or `URIError` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isError(new Error);\n\t     * // => true\n\t     *\n\t     * _.isError(Error);\n\t     * // => false\n\t     */\n\t    function isError(value) {\n\t      if (!isObjectLike(value)) {\n\t        return false;\n\t      }\n\t      var tag = baseGetTag(value);\n\t      return tag == errorTag || tag == domExcTag ||\n\t        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a finite primitive number.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n\t     * @example\n\t     *\n\t     * _.isFinite(3);\n\t     * // => true\n\t     *\n\t     * _.isFinite(Number.MIN_VALUE);\n\t     * // => true\n\t     *\n\t     * _.isFinite(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isFinite('3');\n\t     * // => false\n\t     */\n\t    function isFinite(value) {\n\t      return typeof value == 'number' && nativeIsFinite(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Function` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n\t     * @example\n\t     *\n\t     * _.isFunction(_);\n\t     * // => true\n\t     *\n\t     * _.isFunction(/abc/);\n\t     * // => false\n\t     */\n\t    function isFunction(value) {\n\t      if (!isObject(value)) {\n\t        return false;\n\t      }\n\t      // The use of `Object#toString` avoids issues with the `typeof` operator\n\t      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n\t      var tag = baseGetTag(value);\n\t      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an integer.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isInteger(3);\n\t     * // => true\n\t     *\n\t     * _.isInteger(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isInteger(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isInteger('3');\n\t     * // => false\n\t     */\n\t    function isInteger(value) {\n\t      return typeof value == 'number' && value == toInteger(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a valid array-like length.\n\t     *\n\t     * **Note:** This method is loosely based on\n\t     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n\t     * @example\n\t     *\n\t     * _.isLength(3);\n\t     * // => true\n\t     *\n\t     * _.isLength(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isLength(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isLength('3');\n\t     * // => false\n\t     */\n\t    function isLength(value) {\n\t      return typeof value == 'number' &&\n\t        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is the\n\t     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n\t     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isObject({});\n\t     * // => true\n\t     *\n\t     * _.isObject([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isObject(_.noop);\n\t     * // => true\n\t     *\n\t     * _.isObject(null);\n\t     * // => false\n\t     */\n\t    function isObject(value) {\n\t      var type = typeof value;\n\t      return value != null && (type == 'object' || type == 'function');\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is object-like. A value is object-like if it's not `null`\n\t     * and has a `typeof` result of \"object\".\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n\t     * @example\n\t     *\n\t     * _.isObjectLike({});\n\t     * // => true\n\t     *\n\t     * _.isObjectLike([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isObjectLike(_.noop);\n\t     * // => false\n\t     *\n\t     * _.isObjectLike(null);\n\t     * // => false\n\t     */\n\t    function isObjectLike(value) {\n\t      return value != null && typeof value == 'object';\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Map` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n\t     * @example\n\t     *\n\t     * _.isMap(new Map);\n\t     * // => true\n\t     *\n\t     * _.isMap(new WeakMap);\n\t     * // => false\n\t     */\n\t    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\t\n\t    /**\n\t     * Performs a partial deep comparison between `object` and `source` to\n\t     * determine if `object` contains equivalent property values.\n\t     *\n\t     * **Note:** This method is equivalent to `_.matches` when `source` is\n\t     * partially applied.\n\t     *\n\t     * Partial comparisons will match empty array and empty object `source`\n\t     * values against any array or object value, respectively. See `_.isEqual`\n\t     * for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     *\n\t     * _.isMatch(object, { 'b': 2 });\n\t     * // => true\n\t     *\n\t     * _.isMatch(object, { 'b': 1 });\n\t     * // => false\n\t     */\n\t    function isMatch(object, source) {\n\t      return object === source || baseIsMatch(object, source, getMatchData(source));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isMatch` except that it accepts `customizer` which\n\t     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t     * are handled by the method instead. The `customizer` is invoked with five\n\t     * arguments: (objValue, srcValue, index|key, object, source).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     * @example\n\t     *\n\t     * function isGreeting(value) {\n\t     *   return /^h(?:i|ello)$/.test(value);\n\t     * }\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n\t     *     return true;\n\t     *   }\n\t     * }\n\t     *\n\t     * var object = { 'greeting': 'hello' };\n\t     * var source = { 'greeting': 'hi' };\n\t     *\n\t     * _.isMatchWith(object, source, customizer);\n\t     * // => true\n\t     */\n\t    function isMatchWith(object, source, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseIsMatch(object, source, getMatchData(source), customizer);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `NaN`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n\t     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n\t     * `undefined` and other non-number values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNaN(NaN);\n\t     * // => true\n\t     *\n\t     * _.isNaN(new Number(NaN));\n\t     * // => true\n\t     *\n\t     * isNaN(undefined);\n\t     * // => true\n\t     *\n\t     * _.isNaN(undefined);\n\t     * // => false\n\t     */\n\t    function isNaN(value) {\n\t      // An `NaN` primitive is the only value that is not equal to itself.\n\t      // Perform the `toStringTag` check first to avoid errors with some\n\t      // ActiveX objects in IE.\n\t      return isNumber(value) && value != +value;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a pristine native function.\n\t     *\n\t     * **Note:** This method can't reliably detect native functions in the presence\n\t     * of the core-js package because core-js circumvents this kind of detection.\n\t     * Despite multiple requests, the core-js maintainer has made it clear: any\n\t     * attempt to fix the detection will be obstructed. As a result, we're left\n\t     * with little choice but to throw an error. Unfortunately, this also affects\n\t     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n\t     * which rely on core-js.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a native function,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isNative(Array.prototype.push);\n\t     * // => true\n\t     *\n\t     * _.isNative(_);\n\t     * // => false\n\t     */\n\t    function isNative(value) {\n\t      if (isMaskable(value)) {\n\t        throw new Error(CORE_ERROR_TEXT);\n\t      }\n\t      return baseIsNative(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `null`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNull(null);\n\t     * // => true\n\t     *\n\t     * _.isNull(void 0);\n\t     * // => false\n\t     */\n\t    function isNull(value) {\n\t      return value === null;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `null` or `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNil(null);\n\t     * // => true\n\t     *\n\t     * _.isNil(void 0);\n\t     * // => true\n\t     *\n\t     * _.isNil(NaN);\n\t     * // => false\n\t     */\n\t    function isNil(value) {\n\t      return value == null;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Number` primitive or object.\n\t     *\n\t     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n\t     * classified as numbers, use the `_.isFinite` method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNumber(3);\n\t     * // => true\n\t     *\n\t     * _.isNumber(Number.MIN_VALUE);\n\t     * // => true\n\t     *\n\t     * _.isNumber(Infinity);\n\t     * // => true\n\t     *\n\t     * _.isNumber('3');\n\t     * // => false\n\t     */\n\t    function isNumber(value) {\n\t      return typeof value == 'number' ||\n\t        (isObjectLike(value) && baseGetTag(value) == numberTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a plain object, that is, an object created by the\n\t     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.8.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * _.isPlainObject(new Foo);\n\t     * // => false\n\t     *\n\t     * _.isPlainObject([1, 2, 3]);\n\t     * // => false\n\t     *\n\t     * _.isPlainObject({ 'x': 0, 'y': 0 });\n\t     * // => true\n\t     *\n\t     * _.isPlainObject(Object.create(null));\n\t     * // => true\n\t     */\n\t    function isPlainObject(value) {\n\t      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n\t        return false;\n\t      }\n\t      var proto = getPrototype(value);\n\t      if (proto === null) {\n\t        return true;\n\t      }\n\t      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n\t      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n\t        funcToString.call(Ctor) == objectCtorString;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `RegExp` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n\t     * @example\n\t     *\n\t     * _.isRegExp(/abc/);\n\t     * // => true\n\t     *\n\t     * _.isRegExp('/abc/');\n\t     * // => false\n\t     */\n\t    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\t\n\t    /**\n\t     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n\t     * double precision number which isn't the result of a rounded unsafe integer.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSafeInteger(3);\n\t     * // => true\n\t     *\n\t     * _.isSafeInteger(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isSafeInteger(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isSafeInteger('3');\n\t     * // => false\n\t     */\n\t    function isSafeInteger(value) {\n\t      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Set` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSet(new Set);\n\t     * // => true\n\t     *\n\t     * _.isSet(new WeakSet);\n\t     * // => false\n\t     */\n\t    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `String` primitive or object.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n\t     * @example\n\t     *\n\t     * _.isString('abc');\n\t     * // => true\n\t     *\n\t     * _.isString(1);\n\t     * // => false\n\t     */\n\t    function isString(value) {\n\t      return typeof value == 'string' ||\n\t        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Symbol` primitive or object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSymbol(Symbol.iterator);\n\t     * // => true\n\t     *\n\t     * _.isSymbol('abc');\n\t     * // => false\n\t     */\n\t    function isSymbol(value) {\n\t      return typeof value == 'symbol' ||\n\t        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a typed array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n\t     * @example\n\t     *\n\t     * _.isTypedArray(new Uint8Array);\n\t     * // => true\n\t     *\n\t     * _.isTypedArray([]);\n\t     * // => false\n\t     */\n\t    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\t\n\t    /**\n\t     * Checks if `value` is `undefined`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isUndefined(void 0);\n\t     * // => true\n\t     *\n\t     * _.isUndefined(null);\n\t     * // => false\n\t     */\n\t    function isUndefined(value) {\n\t      return value === undefined;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `WeakMap` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n\t     * @example\n\t     *\n\t     * _.isWeakMap(new WeakMap);\n\t     * // => true\n\t     *\n\t     * _.isWeakMap(new Map);\n\t     * // => false\n\t     */\n\t    function isWeakMap(value) {\n\t      return isObjectLike(value) && getTag(value) == weakMapTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `WeakSet` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n\t     * @example\n\t     *\n\t     * _.isWeakSet(new WeakSet);\n\t     * // => true\n\t     *\n\t     * _.isWeakSet(new Set);\n\t     * // => false\n\t     */\n\t    function isWeakSet(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is less than `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t     *  else `false`.\n\t     * @see _.gt\n\t     * @example\n\t     *\n\t     * _.lt(1, 3);\n\t     * // => true\n\t     *\n\t     * _.lt(3, 3);\n\t     * // => false\n\t     *\n\t     * _.lt(3, 1);\n\t     * // => false\n\t     */\n\t    var lt = createRelationalOperation(baseLt);\n\t\n\t    /**\n\t     * Checks if `value` is less than or equal to `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than or equal to\n\t     *  `other`, else `false`.\n\t     * @see _.gte\n\t     * @example\n\t     *\n\t     * _.lte(1, 3);\n\t     * // => true\n\t     *\n\t     * _.lte(3, 3);\n\t     * // => true\n\t     *\n\t     * _.lte(3, 1);\n\t     * // => false\n\t     */\n\t    var lte = createRelationalOperation(function(value, other) {\n\t      return value <= other;\n\t    });\n\t\n\t    /**\n\t     * Converts `value` to an array.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {Array} Returns the converted array.\n\t     * @example\n\t     *\n\t     * _.toArray({ 'a': 1, 'b': 2 });\n\t     * // => [1, 2]\n\t     *\n\t     * _.toArray('abc');\n\t     * // => ['a', 'b', 'c']\n\t     *\n\t     * _.toArray(1);\n\t     * // => []\n\t     *\n\t     * _.toArray(null);\n\t     * // => []\n\t     */\n\t    function toArray(value) {\n\t      if (!value) {\n\t        return [];\n\t      }\n\t      if (isArrayLike(value)) {\n\t        return isString(value) ? stringToArray(value) : copyArray(value);\n\t      }\n\t      if (symIterator && value[symIterator]) {\n\t        return iteratorToArray(value[symIterator]());\n\t      }\n\t      var tag = getTag(value),\n\t          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\t\n\t      return func(value);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a finite number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.12.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted number.\n\t     * @example\n\t     *\n\t     * _.toFinite(3.2);\n\t     * // => 3.2\n\t     *\n\t     * _.toFinite(Number.MIN_VALUE);\n\t     * // => 5e-324\n\t     *\n\t     * _.toFinite(Infinity);\n\t     * // => 1.7976931348623157e+308\n\t     *\n\t     * _.toFinite('3.2');\n\t     * // => 3.2\n\t     */\n\t    function toFinite(value) {\n\t      if (!value) {\n\t        return value === 0 ? value : 0;\n\t      }\n\t      value = toNumber(value);\n\t      if (value === INFINITY || value === -INFINITY) {\n\t        var sign = (value < 0 ? -1 : 1);\n\t        return sign * MAX_INTEGER;\n\t      }\n\t      return value === value ? value : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to an integer.\n\t     *\n\t     * **Note:** This method is loosely based on\n\t     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toInteger(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toInteger(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toInteger(Infinity);\n\t     * // => 1.7976931348623157e+308\n\t     *\n\t     * _.toInteger('3.2');\n\t     * // => 3\n\t     */\n\t    function toInteger(value) {\n\t      var result = toFinite(value),\n\t          remainder = result % 1;\n\t\n\t      return result === result ? (remainder ? result - remainder : result) : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to an integer suitable for use as the length of an\n\t     * array-like object.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toLength(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toLength(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toLength(Infinity);\n\t     * // => 4294967295\n\t     *\n\t     * _.toLength('3.2');\n\t     * // => 3\n\t     */\n\t    function toLength(value) {\n\t      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to process.\n\t     * @returns {number} Returns the number.\n\t     * @example\n\t     *\n\t     * _.toNumber(3.2);\n\t     * // => 3.2\n\t     *\n\t     * _.toNumber(Number.MIN_VALUE);\n\t     * // => 5e-324\n\t     *\n\t     * _.toNumber(Infinity);\n\t     * // => Infinity\n\t     *\n\t     * _.toNumber('3.2');\n\t     * // => 3.2\n\t     */\n\t    function toNumber(value) {\n\t      if (typeof value == 'number') {\n\t        return value;\n\t      }\n\t      if (isSymbol(value)) {\n\t        return NAN;\n\t      }\n\t      if (isObject(value)) {\n\t        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n\t        value = isObject(other) ? (other + '') : other;\n\t      }\n\t      if (typeof value != 'string') {\n\t        return value === 0 ? value : +value;\n\t      }\n\t      value = value.replace(reTrim, '');\n\t      var isBinary = reIsBinary.test(value);\n\t      return (isBinary || reIsOctal.test(value))\n\t        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n\t        : (reIsBadHex.test(value) ? NAN : +value);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a plain object flattening inherited enumerable string\n\t     * keyed properties of `value` to own properties of the plain object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {Object} Returns the converted plain object.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.assign({ 'a': 1 }, new Foo);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     *\n\t     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n\t     * // => { 'a': 1, 'b': 2, 'c': 3 }\n\t     */\n\t    function toPlainObject(value) {\n\t      return copyObject(value, keysIn(value));\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a safe integer. A safe integer can be compared and\n\t     * represented correctly.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toSafeInteger(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toSafeInteger(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toSafeInteger(Infinity);\n\t     * // => 9007199254740991\n\t     *\n\t     * _.toSafeInteger('3.2');\n\t     * // => 3\n\t     */\n\t    function toSafeInteger(value) {\n\t      return value\n\t        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n\t        : (value === 0 ? value : 0);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a string. An empty string is returned for `null`\n\t     * and `undefined` values. The sign of `-0` is preserved.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.toString(null);\n\t     * // => ''\n\t     *\n\t     * _.toString(-0);\n\t     * // => '-0'\n\t     *\n\t     * _.toString([1, 2, 3]);\n\t     * // => '1,2,3'\n\t     */\n\t    function toString(value) {\n\t      return value == null ? '' : baseToString(value);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Assigns own enumerable string keyed properties of source objects to the\n\t     * destination object. Source objects are applied from left to right.\n\t     * Subsequent sources overwrite property assignments of previous sources.\n\t     *\n\t     * **Note:** This method mutates `object` and is loosely based on\n\t     * [`Object.assign`](https://mdn.io/Object/assign).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.10.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * function Bar() {\n\t     *   this.c = 3;\n\t     * }\n\t     *\n\t     * Foo.prototype.b = 2;\n\t     * Bar.prototype.d = 4;\n\t     *\n\t     * _.assign({ 'a': 0 }, new Foo, new Bar);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    var assign = createAssigner(function(object, source) {\n\t      if (isPrototype(source) || isArrayLike(source)) {\n\t        copyObject(source, keys(source), object);\n\t        return;\n\t      }\n\t      for (var key in source) {\n\t        if (hasOwnProperty.call(source, key)) {\n\t          assignValue(object, key, source[key]);\n\t        }\n\t      }\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it iterates over own and\n\t     * inherited source properties.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias extend\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assign\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * function Bar() {\n\t     *   this.c = 3;\n\t     * }\n\t     *\n\t     * Foo.prototype.b = 2;\n\t     * Bar.prototype.d = 4;\n\t     *\n\t     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n\t     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n\t     */\n\t    var assignIn = createAssigner(function(object, source) {\n\t      copyObject(source, keysIn(source), object);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assignIn` except that it accepts `customizer`\n\t     * which is invoked to produce the assigned values. If `customizer` returns\n\t     * `undefined`, assignment is handled by the method instead. The `customizer`\n\t     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias extendWith\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignWith\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   return _.isUndefined(objValue) ? srcValue : objValue;\n\t     * }\n\t     *\n\t     * var defaults = _.partialRight(_.assignInWith, customizer);\n\t     *\n\t     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      copyObject(source, keysIn(source), object, customizer);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it accepts `customizer`\n\t     * which is invoked to produce the assigned values. If `customizer` returns\n\t     * `undefined`, assignment is handled by the method instead. The `customizer`\n\t     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignInWith\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   return _.isUndefined(objValue) ? srcValue : objValue;\n\t     * }\n\t     *\n\t     * var defaults = _.partialRight(_.assignWith, customizer);\n\t     *\n\t     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      copyObject(source, keys(source), object, customizer);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of values corresponding to `paths` of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Array} Returns the picked values.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t     *\n\t     * _.at(object, ['a[0].b.c', 'a[1]']);\n\t     * // => [3, 4]\n\t     */\n\t    var at = flatRest(baseAt);\n\t\n\t    /**\n\t     * Creates an object that inherits from the `prototype` object. If a\n\t     * `properties` object is given, its own enumerable string keyed properties\n\t     * are assigned to the created object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.3.0\n\t     * @category Object\n\t     * @param {Object} prototype The object to inherit from.\n\t     * @param {Object} [properties] The properties to assign to the object.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * function Shape() {\n\t     *   this.x = 0;\n\t     *   this.y = 0;\n\t     * }\n\t     *\n\t     * function Circle() {\n\t     *   Shape.call(this);\n\t     * }\n\t     *\n\t     * Circle.prototype = _.create(Shape.prototype, {\n\t     *   'constructor': Circle\n\t     * });\n\t     *\n\t     * var circle = new Circle;\n\t     * circle instanceof Circle;\n\t     * // => true\n\t     *\n\t     * circle instanceof Shape;\n\t     * // => true\n\t     */\n\t    function create(prototype, properties) {\n\t      var result = baseCreate(prototype);\n\t      return properties == null ? result : baseAssign(result, properties);\n\t    }\n\t\n\t    /**\n\t     * Assigns own and inherited enumerable string keyed properties of source\n\t     * objects to the destination object for all destination properties that\n\t     * resolve to `undefined`. Source objects are applied from left to right.\n\t     * Once a property is set, additional values of the same property are ignored.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.defaultsDeep\n\t     * @example\n\t     *\n\t     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var defaults = baseRest(function(args) {\n\t      args.push(undefined, customDefaultsAssignIn);\n\t      return apply(assignInWith, undefined, args);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.defaults` except that it recursively assigns\n\t     * default properties.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.defaults\n\t     * @example\n\t     *\n\t     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n\t     * // => { 'a': { 'b': 2, 'c': 3 } }\n\t     */\n\t    var defaultsDeep = baseRest(function(args) {\n\t      args.push(undefined, customDefaultsMerge);\n\t      return apply(mergeWith, undefined, args);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.find` except that it returns the key of the first\n\t     * element `predicate` returns truthy for instead of the element itself.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {string|undefined} Returns the key of the matched element,\n\t     *  else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'barney':  { 'age': 36, 'active': true },\n\t     *   'fred':    { 'age': 40, 'active': false },\n\t     *   'pebbles': { 'age': 1,  'active': true }\n\t     * };\n\t     *\n\t     * _.findKey(users, function(o) { return o.age < 40; });\n\t     * // => 'barney' (iteration order is not guaranteed)\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findKey(users, { 'age': 1, 'active': true });\n\t     * // => 'pebbles'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findKey(users, ['active', false]);\n\t     * // => 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findKey(users, 'active');\n\t     * // => 'barney'\n\t     */\n\t    function findKey(object, predicate) {\n\t      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.findKey` except that it iterates over elements of\n\t     * a collection in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {string|undefined} Returns the key of the matched element,\n\t     *  else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'barney':  { 'age': 36, 'active': true },\n\t     *   'fred':    { 'age': 40, 'active': false },\n\t     *   'pebbles': { 'age': 1,  'active': true }\n\t     * };\n\t     *\n\t     * _.findLastKey(users, function(o) { return o.age < 40; });\n\t     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findLastKey(users, { 'age': 36, 'active': true });\n\t     * // => 'barney'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findLastKey(users, ['active', false]);\n\t     * // => 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findLastKey(users, 'active');\n\t     * // => 'pebbles'\n\t     */\n\t    function findLastKey(object, predicate) {\n\t      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n\t    }\n\t\n\t    /**\n\t     * Iterates over own and inherited enumerable string keyed properties of an\n\t     * object and invokes `iteratee` for each property. The iteratee is invoked\n\t     * with three arguments: (value, key, object). Iteratee functions may exit\n\t     * iteration early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forInRight\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forIn(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n\t     */\n\t    function forIn(object, iteratee) {\n\t      return object == null\n\t        ? object\n\t        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forIn` except that it iterates over properties of\n\t     * `object` in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forInRight(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n\t     */\n\t    function forInRight(object, iteratee) {\n\t      return object == null\n\t        ? object\n\t        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n\t    }\n\t\n\t    /**\n\t     * Iterates over own enumerable string keyed properties of an object and\n\t     * invokes `iteratee` for each property. The iteratee is invoked with three\n\t     * arguments: (value, key, object). Iteratee functions may exit iteration\n\t     * early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forOwnRight\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forOwn(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t     */\n\t    function forOwn(object, iteratee) {\n\t      return object && baseForOwn(object, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forOwn` except that it iterates over properties of\n\t     * `object` in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forOwn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forOwnRight(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n\t     */\n\t    function forOwnRight(object, iteratee) {\n\t      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of function property names from own enumerable properties\n\t     * of `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @returns {Array} Returns the function names.\n\t     * @see _.functionsIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = _.constant('a');\n\t     *   this.b = _.constant('b');\n\t     * }\n\t     *\n\t     * Foo.prototype.c = _.constant('c');\n\t     *\n\t     * _.functions(new Foo);\n\t     * // => ['a', 'b']\n\t     */\n\t    function functions(object) {\n\t      return object == null ? [] : baseFunctions(object, keys(object));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of function property names from own and inherited\n\t     * enumerable properties of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @returns {Array} Returns the function names.\n\t     * @see _.functions\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = _.constant('a');\n\t     *   this.b = _.constant('b');\n\t     * }\n\t     *\n\t     * Foo.prototype.c = _.constant('c');\n\t     *\n\t     * _.functionsIn(new Foo);\n\t     * // => ['a', 'b', 'c']\n\t     */\n\t    function functionsIn(object) {\n\t      return object == null ? [] : baseFunctions(object, keysIn(object));\n\t    }\n\t\n\t    /**\n\t     * Gets the value at `path` of `object`. If the resolved value is\n\t     * `undefined`, the `defaultValue` is returned in its place.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.get(object, 'a[0].b.c');\n\t     * // => 3\n\t     *\n\t     * _.get(object, ['a', '0', 'b', 'c']);\n\t     * // => 3\n\t     *\n\t     * _.get(object, 'a.b.c', 'default');\n\t     * // => 'default'\n\t     */\n\t    function get(object, path, defaultValue) {\n\t      var result = object == null ? undefined : baseGet(object, path);\n\t      return result === undefined ? defaultValue : result;\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` is a direct property of `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': { 'b': 2 } };\n\t     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n\t     *\n\t     * _.has(object, 'a');\n\t     * // => true\n\t     *\n\t     * _.has(object, 'a.b');\n\t     * // => true\n\t     *\n\t     * _.has(object, ['a', 'b']);\n\t     * // => true\n\t     *\n\t     * _.has(other, 'a');\n\t     * // => false\n\t     */\n\t    function has(object, path) {\n\t      return object != null && hasPath(object, path, baseHas);\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` is a direct or inherited property of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     * @example\n\t     *\n\t     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n\t     *\n\t     * _.hasIn(object, 'a');\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, 'a.b');\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, ['a', 'b']);\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, 'b');\n\t     * // => false\n\t     */\n\t    function hasIn(object, path) {\n\t      return object != null && hasPath(object, path, baseHasIn);\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of the inverted keys and values of `object`.\n\t     * If `object` contains duplicate values, subsequent values overwrite\n\t     * property assignments of previous values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to invert.\n\t     * @returns {Object} Returns the new inverted object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t     *\n\t     * _.invert(object);\n\t     * // => { '1': 'c', '2': 'b' }\n\t     */\n\t    var invert = createInverter(function(result, value, key) {\n\t      result[value] = key;\n\t    }, constant(identity));\n\t\n\t    /**\n\t     * This method is like `_.invert` except that the inverted object is generated\n\t     * from the results of running each element of `object` thru `iteratee`. The\n\t     * corresponding inverted value of each inverted key is an array of keys\n\t     * responsible for generating the inverted value. The iteratee is invoked\n\t     * with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.1.0\n\t     * @category Object\n\t     * @param {Object} object The object to invert.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Object} Returns the new inverted object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t     *\n\t     * _.invertBy(object);\n\t     * // => { '1': ['a', 'c'], '2': ['b'] }\n\t     *\n\t     * _.invertBy(object, function(value) {\n\t     *   return 'group' + value;\n\t     * });\n\t     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n\t     */\n\t    var invertBy = createInverter(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, value)) {\n\t        result[value].push(key);\n\t      } else {\n\t        result[value] = [key];\n\t      }\n\t    }, getIteratee);\n\t\n\t    /**\n\t     * Invokes the method at `path` of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {*} Returns the result of the invoked method.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n\t     *\n\t     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n\t     * // => [2, 3]\n\t     */\n\t    var invoke = baseRest(baseInvoke);\n\t\n\t    /**\n\t     * Creates an array of the own enumerable property names of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects. See the\n\t     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n\t     * for more details.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.keys(new Foo);\n\t     * // => ['a', 'b'] (iteration order is not guaranteed)\n\t     *\n\t     * _.keys('hi');\n\t     * // => ['0', '1']\n\t     */\n\t    function keys(object) {\n\t      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable property names of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.keysIn(new Foo);\n\t     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n\t     */\n\t    function keysIn(object) {\n\t      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.mapValues`; this method creates an object with the\n\t     * same values as `object` and keys generated by running each own enumerable\n\t     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n\t     * with three arguments: (value, key, object).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns the new mapped object.\n\t     * @see _.mapValues\n\t     * @example\n\t     *\n\t     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n\t     *   return key + value;\n\t     * });\n\t     * // => { 'a1': 1, 'b2': 2 }\n\t     */\n\t    function mapKeys(object, iteratee) {\n\t      var result = {};\n\t      iteratee = getIteratee(iteratee, 3);\n\t\n\t      baseForOwn(object, function(value, key, object) {\n\t        baseAssignValue(result, iteratee(value, key, object), value);\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an object with the same keys as `object` and values generated\n\t     * by running each own enumerable string keyed property of `object` thru\n\t     * `iteratee`. The iteratee is invoked with three arguments:\n\t     * (value, key, object).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns the new mapped object.\n\t     * @see _.mapKeys\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'fred':    { 'user': 'fred',    'age': 40 },\n\t     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n\t     * };\n\t     *\n\t     * _.mapValues(users, function(o) { return o.age; });\n\t     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.mapValues(users, 'age');\n\t     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t     */\n\t    function mapValues(object, iteratee) {\n\t      var result = {};\n\t      iteratee = getIteratee(iteratee, 3);\n\t\n\t      baseForOwn(object, function(value, key, object) {\n\t        baseAssignValue(result, key, iteratee(value, key, object));\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it recursively merges own and\n\t     * inherited enumerable string keyed properties of source objects into the\n\t     * destination object. Source properties that resolve to `undefined` are\n\t     * skipped if a destination value exists. Array and plain object properties\n\t     * are merged recursively. Other objects and value types are overridden by\n\t     * assignment. Source objects are applied from left to right. Subsequent\n\t     * sources overwrite property assignments of previous sources.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {\n\t     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n\t     * };\n\t     *\n\t     * var other = {\n\t     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n\t     * };\n\t     *\n\t     * _.merge(object, other);\n\t     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n\t     */\n\t    var merge = createAssigner(function(object, source, srcIndex) {\n\t      baseMerge(object, source, srcIndex);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.merge` except that it accepts `customizer` which\n\t     * is invoked to produce the merged values of the destination and source\n\t     * properties. If `customizer` returns `undefined`, merging is handled by the\n\t     * method instead. The `customizer` is invoked with six arguments:\n\t     * (objValue, srcValue, key, object, source, stack).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} customizer The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   if (_.isArray(objValue)) {\n\t     *     return objValue.concat(srcValue);\n\t     *   }\n\t     * }\n\t     *\n\t     * var object = { 'a': [1], 'b': [2] };\n\t     * var other = { 'a': [3], 'b': [4] };\n\t     *\n\t     * _.mergeWith(object, other, customizer);\n\t     * // => { 'a': [1, 3], 'b': [2, 4] }\n\t     */\n\t    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      baseMerge(object, source, srcIndex, customizer);\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.pick`; this method creates an object composed of the\n\t     * own and inherited enumerable property paths of `object` that are not omitted.\n\t     *\n\t     * **Note:** This method is considerably slower than `_.pick`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {...(string|string[])} [paths] The property paths to omit.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.omit(object, ['a', 'c']);\n\t     * // => { 'b': '2' }\n\t     */\n\t    var omit = flatRest(function(object, paths) {\n\t      var result = {};\n\t      if (object == null) {\n\t        return result;\n\t      }\n\t      var isDeep = false;\n\t      paths = arrayMap(paths, function(path) {\n\t        path = castPath(path, object);\n\t        isDeep || (isDeep = path.length > 1);\n\t        return path;\n\t      });\n\t      copyObject(object, getAllKeysIn(object), result);\n\t      if (isDeep) {\n\t        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n\t      }\n\t      var length = paths.length;\n\t      while (length--) {\n\t        baseUnset(result, paths[length]);\n\t      }\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.pickBy`; this method creates an object composed of\n\t     * the own and inherited enumerable string keyed properties of `object` that\n\t     * `predicate` doesn't return truthy for. The predicate is invoked with two\n\t     * arguments: (value, key).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {Function} [predicate=_.identity] The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.omitBy(object, _.isNumber);\n\t     * // => { 'b': '2' }\n\t     */\n\t    function omitBy(object, predicate) {\n\t      return pickBy(object, negate(getIteratee(predicate)));\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of the picked `object` properties.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.pick(object, ['a', 'c']);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    var pick = flatRest(function(object, paths) {\n\t      return object == null ? {} : basePick(object, paths);\n\t    });\n\t\n\t    /**\n\t     * Creates an object composed of the `object` properties `predicate` returns\n\t     * truthy for. The predicate is invoked with two arguments: (value, key).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {Function} [predicate=_.identity] The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.pickBy(object, _.isNumber);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    function pickBy(object, predicate) {\n\t      if (object == null) {\n\t        return {};\n\t      }\n\t      var props = arrayMap(getAllKeysIn(object), function(prop) {\n\t        return [prop];\n\t      });\n\t      predicate = getIteratee(predicate);\n\t      return basePickBy(object, props, function(value, path) {\n\t        return predicate(value, path[0]);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.get` except that if the resolved value is a\n\t     * function it's invoked with the `this` binding of its parent object and\n\t     * its result is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to resolve.\n\t     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n\t     *\n\t     * _.result(object, 'a[0].b.c1');\n\t     * // => 3\n\t     *\n\t     * _.result(object, 'a[0].b.c2');\n\t     * // => 4\n\t     *\n\t     * _.result(object, 'a[0].b.c3', 'default');\n\t     * // => 'default'\n\t     *\n\t     * _.result(object, 'a[0].b.c3', _.constant('default'));\n\t     * // => 'default'\n\t     */\n\t    function result(object, path, defaultValue) {\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length;\n\t\n\t      // Ensure the loop is entered when path is empty.\n\t      if (!length) {\n\t        length = 1;\n\t        object = undefined;\n\t      }\n\t      while (++index < length) {\n\t        var value = object == null ? undefined : object[toKey(path[index])];\n\t        if (value === undefined) {\n\t          index = length;\n\t          value = defaultValue;\n\t        }\n\t        object = isFunction(value) ? value.call(object) : value;\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n\t     * it's created. Arrays are created for missing index properties while objects\n\t     * are created for all other missing properties. Use `_.setWith` to customize\n\t     * `path` creation.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.set(object, 'a[0].b.c', 4);\n\t     * console.log(object.a[0].b.c);\n\t     * // => 4\n\t     *\n\t     * _.set(object, ['x', '0', 'y', 'z'], 5);\n\t     * console.log(object.x[0].y.z);\n\t     * // => 5\n\t     */\n\t    function set(object, path, value) {\n\t      return object == null ? object : baseSet(object, path, value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.set` except that it accepts `customizer` which is\n\t     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n\t     * path creation is handled by the method instead. The `customizer` is invoked\n\t     * with three arguments: (nsValue, key, nsObject).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {};\n\t     *\n\t     * _.setWith(object, '[0][1]', 'a', Object);\n\t     * // => { '0': { '1': 'a' } }\n\t     */\n\t    function setWith(object, path, value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return object == null ? object : baseSet(object, path, value, customizer);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own enumerable string keyed-value pairs for `object`\n\t     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n\t     * entries are returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias entries\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the key-value pairs.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.toPairs(new Foo);\n\t     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n\t     */\n\t    var toPairs = createToPairs(keys);\n\t\n\t    /**\n\t     * Creates an array of own and inherited enumerable string keyed-value pairs\n\t     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n\t     * or set, its entries are returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias entriesIn\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the key-value pairs.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.toPairsIn(new Foo);\n\t     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n\t     */\n\t    var toPairsIn = createToPairs(keysIn);\n\t\n\t    /**\n\t     * An alternative to `_.reduce`; this method transforms `object` to a new\n\t     * `accumulator` object which is the result of running each of its own\n\t     * enumerable string keyed properties thru `iteratee`, with each invocation\n\t     * potentially mutating the `accumulator` object. If `accumulator` is not\n\t     * provided, a new object with the same `[[Prototype]]` will be used. The\n\t     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The custom accumulator value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @example\n\t     *\n\t     * _.transform([2, 3, 4], function(result, n) {\n\t     *   result.push(n *= n);\n\t     *   return n % 2 == 0;\n\t     * }, []);\n\t     * // => [4, 9]\n\t     *\n\t     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t     *   (result[value] || (result[value] = [])).push(key);\n\t     * }, {});\n\t     * // => { '1': ['a', 'c'], '2': ['b'] }\n\t     */\n\t    function transform(object, iteratee, accumulator) {\n\t      var isArr = isArray(object),\n\t          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\t\n\t      iteratee = getIteratee(iteratee, 4);\n\t      if (accumulator == null) {\n\t        var Ctor = object && object.constructor;\n\t        if (isArrLike) {\n\t          accumulator = isArr ? new Ctor : [];\n\t        }\n\t        else if (isObject(object)) {\n\t          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n\t        }\n\t        else {\n\t          accumulator = {};\n\t        }\n\t      }\n\t      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n\t        return iteratee(accumulator, value, index, object);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * Removes the property at `path` of `object`.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to unset.\n\t     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n\t     * _.unset(object, 'a[0].b.c');\n\t     * // => true\n\t     *\n\t     * console.log(object);\n\t     * // => { 'a': [{ 'b': {} }] };\n\t     *\n\t     * _.unset(object, ['a', '0', 'b', 'c']);\n\t     * // => true\n\t     *\n\t     * console.log(object);\n\t     * // => { 'a': [{ 'b': {} }] };\n\t     */\n\t    function unset(object, path) {\n\t      return object == null ? true : baseUnset(object, path);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.set` except that accepts `updater` to produce the\n\t     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n\t     * is invoked with one argument: (value).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n\t     * console.log(object.a[0].b.c);\n\t     * // => 9\n\t     *\n\t     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n\t     * console.log(object.x[0].y.z);\n\t     * // => 0\n\t     */\n\t    function update(object, path, updater) {\n\t      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.update` except that it accepts `customizer` which is\n\t     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n\t     * path creation is handled by the method instead. The `customizer` is invoked\n\t     * with three arguments: (nsValue, key, nsObject).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {};\n\t     *\n\t     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n\t     * // => { '0': { '1': 'a' } }\n\t     */\n\t    function updateWith(object, path, updater, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own enumerable string keyed property values of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property values.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.values(new Foo);\n\t     * // => [1, 2] (iteration order is not guaranteed)\n\t     *\n\t     * _.values('hi');\n\t     * // => ['h', 'i']\n\t     */\n\t    function values(object) {\n\t      return object == null ? [] : baseValues(object, keys(object));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable string keyed property\n\t     * values of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property values.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.valuesIn(new Foo);\n\t     * // => [1, 2, 3] (iteration order is not guaranteed)\n\t     */\n\t    function valuesIn(object) {\n\t      return object == null ? [] : baseValues(object, keysIn(object));\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Number\n\t     * @param {number} number The number to clamp.\n\t     * @param {number} [lower] The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the clamped number.\n\t     * @example\n\t     *\n\t     * _.clamp(-10, -5, 5);\n\t     * // => -5\n\t     *\n\t     * _.clamp(10, -5, 5);\n\t     * // => 5\n\t     */\n\t    function clamp(number, lower, upper) {\n\t      if (upper === undefined) {\n\t        upper = lower;\n\t        lower = undefined;\n\t      }\n\t      if (upper !== undefined) {\n\t        upper = toNumber(upper);\n\t        upper = upper === upper ? upper : 0;\n\t      }\n\t      if (lower !== undefined) {\n\t        lower = toNumber(lower);\n\t        lower = lower === lower ? lower : 0;\n\t      }\n\t      return baseClamp(toNumber(number), lower, upper);\n\t    }\n\t\n\t    /**\n\t     * Checks if `n` is between `start` and up to, but not including, `end`. If\n\t     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n\t     * If `start` is greater than `end` the params are swapped to support\n\t     * negative ranges.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.3.0\n\t     * @category Number\n\t     * @param {number} number The number to check.\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t     * @see _.range, _.rangeRight\n\t     * @example\n\t     *\n\t     * _.inRange(3, 2, 4);\n\t     * // => true\n\t     *\n\t     * _.inRange(4, 8);\n\t     * // => true\n\t     *\n\t     * _.inRange(4, 2);\n\t     * // => false\n\t     *\n\t     * _.inRange(2, 2);\n\t     * // => false\n\t     *\n\t     * _.inRange(1.2, 2);\n\t     * // => true\n\t     *\n\t     * _.inRange(5.2, 4);\n\t     * // => false\n\t     *\n\t     * _.inRange(-3, -2, -6);\n\t     * // => true\n\t     */\n\t    function inRange(number, start, end) {\n\t      start = toFinite(start);\n\t      if (end === undefined) {\n\t        end = start;\n\t        start = 0;\n\t      } else {\n\t        end = toFinite(end);\n\t      }\n\t      number = toNumber(number);\n\t      return baseInRange(number, start, end);\n\t    }\n\t\n\t    /**\n\t     * Produces a random number between the inclusive `lower` and `upper` bounds.\n\t     * If only one argument is provided a number between `0` and the given number\n\t     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n\t     * floats, a floating-point number is returned instead of an integer.\n\t     *\n\t     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t     * floating-point values which can produce unexpected results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.7.0\n\t     * @category Number\n\t     * @param {number} [lower=0] The lower bound.\n\t     * @param {number} [upper=1] The upper bound.\n\t     * @param {boolean} [floating] Specify returning a floating-point number.\n\t     * @returns {number} Returns the random number.\n\t     * @example\n\t     *\n\t     * _.random(0, 5);\n\t     * // => an integer between 0 and 5\n\t     *\n\t     * _.random(5);\n\t     * // => also an integer between 0 and 5\n\t     *\n\t     * _.random(5, true);\n\t     * // => a floating-point number between 0 and 5\n\t     *\n\t     * _.random(1.2, 5.2);\n\t     * // => a floating-point number between 1.2 and 5.2\n\t     */\n\t    function random(lower, upper, floating) {\n\t      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n\t        upper = floating = undefined;\n\t      }\n\t      if (floating === undefined) {\n\t        if (typeof upper == 'boolean') {\n\t          floating = upper;\n\t          upper = undefined;\n\t        }\n\t        else if (typeof lower == 'boolean') {\n\t          floating = lower;\n\t          lower = undefined;\n\t        }\n\t      }\n\t      if (lower === undefined && upper === undefined) {\n\t        lower = 0;\n\t        upper = 1;\n\t      }\n\t      else {\n\t        lower = toFinite(lower);\n\t        if (upper === undefined) {\n\t          upper = lower;\n\t          lower = 0;\n\t        } else {\n\t          upper = toFinite(upper);\n\t        }\n\t      }\n\t      if (lower > upper) {\n\t        var temp = lower;\n\t        lower = upper;\n\t        upper = temp;\n\t      }\n\t      if (floating || lower % 1 || upper % 1) {\n\t        var rand = nativeRandom();\n\t        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n\t      }\n\t      return baseRandom(lower, upper);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the camel cased string.\n\t     * @example\n\t     *\n\t     * _.camelCase('Foo Bar');\n\t     * // => 'fooBar'\n\t     *\n\t     * _.camelCase('--foo-bar--');\n\t     * // => 'fooBar'\n\t     *\n\t     * _.camelCase('__FOO_BAR__');\n\t     * // => 'fooBar'\n\t     */\n\t    var camelCase = createCompounder(function(result, word, index) {\n\t      word = word.toLowerCase();\n\t      return result + (index ? capitalize(word) : word);\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to upper case and the remaining\n\t     * to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to capitalize.\n\t     * @returns {string} Returns the capitalized string.\n\t     * @example\n\t     *\n\t     * _.capitalize('FRED');\n\t     * // => 'Fred'\n\t     */\n\t    function capitalize(string) {\n\t      return upperFirst(toString(string).toLowerCase());\n\t    }\n\t\n\t    /**\n\t     * Deburrs `string` by converting\n\t     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n\t     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n\t     * letters to basic Latin letters and removing\n\t     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to deburr.\n\t     * @returns {string} Returns the deburred string.\n\t     * @example\n\t     *\n\t     * _.deburr('déjà vu');\n\t     * // => 'deja vu'\n\t     */\n\t    function deburr(string) {\n\t      string = toString(string);\n\t      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n\t    }\n\t\n\t    /**\n\t     * Checks if `string` ends with the given target string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {string} [target] The string to search for.\n\t     * @param {number} [position=string.length] The position to search up to.\n\t     * @returns {boolean} Returns `true` if `string` ends with `target`,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.endsWith('abc', 'c');\n\t     * // => true\n\t     *\n\t     * _.endsWith('abc', 'b');\n\t     * // => false\n\t     *\n\t     * _.endsWith('abc', 'b', 2);\n\t     * // => true\n\t     */\n\t    function endsWith(string, target, position) {\n\t      string = toString(string);\n\t      target = baseToString(target);\n\t\n\t      var length = string.length;\n\t      position = position === undefined\n\t        ? length\n\t        : baseClamp(toInteger(position), 0, length);\n\t\n\t      var end = position;\n\t      position -= target.length;\n\t      return position >= 0 && string.slice(position, end) == target;\n\t    }\n\t\n\t    /**\n\t     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n\t     * corresponding HTML entities.\n\t     *\n\t     * **Note:** No other characters are escaped. To escape additional\n\t     * characters use a third-party library like [_he_](https://mths.be/he).\n\t     *\n\t     * Though the \">\" character is escaped for symmetry, characters like\n\t     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n\t     * unless they're part of a tag or unquoted attribute value. See\n\t     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n\t     * (under \"semi-related fun fact\") for more details.\n\t     *\n\t     * When working with HTML you should always\n\t     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n\t     * XSS vectors.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category String\n\t     * @param {string} [string=''] The string to escape.\n\t     * @returns {string} Returns the escaped string.\n\t     * @example\n\t     *\n\t     * _.escape('fred, barney, & pebbles');\n\t     * // => 'fred, barney, &amp; pebbles'\n\t     */\n\t    function escape(string) {\n\t      string = toString(string);\n\t      return (string && reHasUnescapedHtml.test(string))\n\t        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n\t     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to escape.\n\t     * @returns {string} Returns the escaped string.\n\t     * @example\n\t     *\n\t     * _.escapeRegExp('[lodash](https://lodash.com/)');\n\t     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n\t     */\n\t    function escapeRegExp(string) {\n\t      string = toString(string);\n\t      return (string && reHasRegExpChar.test(string))\n\t        ? string.replace(reRegExpChar, '\\\\$&')\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the kebab cased string.\n\t     * @example\n\t     *\n\t     * _.kebabCase('Foo Bar');\n\t     * // => 'foo-bar'\n\t     *\n\t     * _.kebabCase('fooBar');\n\t     * // => 'foo-bar'\n\t     *\n\t     * _.kebabCase('__FOO_BAR__');\n\t     * // => 'foo-bar'\n\t     */\n\t    var kebabCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? '-' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Converts `string`, as space separated words, to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the lower cased string.\n\t     * @example\n\t     *\n\t     * _.lowerCase('--Foo-Bar--');\n\t     * // => 'foo bar'\n\t     *\n\t     * _.lowerCase('fooBar');\n\t     * // => 'foo bar'\n\t     *\n\t     * _.lowerCase('__FOO_BAR__');\n\t     * // => 'foo bar'\n\t     */\n\t    var lowerCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.lowerFirst('Fred');\n\t     * // => 'fred'\n\t     *\n\t     * _.lowerFirst('FRED');\n\t     * // => 'fRED'\n\t     */\n\t    var lowerFirst = createCaseFirst('toLowerCase');\n\t\n\t    /**\n\t     * Pads `string` on the left and right sides if it's shorter than `length`.\n\t     * Padding characters are truncated if they can't be evenly divided by `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.pad('abc', 8);\n\t     * // => '  abc   '\n\t     *\n\t     * _.pad('abc', 8, '_-');\n\t     * // => '_-abc_-_'\n\t     *\n\t     * _.pad('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function pad(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      if (!length || strLength >= length) {\n\t        return string;\n\t      }\n\t      var mid = (length - strLength) / 2;\n\t      return (\n\t        createPadding(nativeFloor(mid), chars) +\n\t        string +\n\t        createPadding(nativeCeil(mid), chars)\n\t      );\n\t    }\n\t\n\t    /**\n\t     * Pads `string` on the right side if it's shorter than `length`. Padding\n\t     * characters are truncated if they exceed `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.padEnd('abc', 6);\n\t     * // => 'abc   '\n\t     *\n\t     * _.padEnd('abc', 6, '_-');\n\t     * // => 'abc_-_'\n\t     *\n\t     * _.padEnd('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function padEnd(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      return (length && strLength < length)\n\t        ? (string + createPadding(length - strLength, chars))\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Pads `string` on the left side if it's shorter than `length`. Padding\n\t     * characters are truncated if they exceed `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.padStart('abc', 6);\n\t     * // => '   abc'\n\t     *\n\t     * _.padStart('abc', 6, '_-');\n\t     * // => '_-_abc'\n\t     *\n\t     * _.padStart('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function padStart(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      return (length && strLength < length)\n\t        ? (createPadding(length - strLength, chars) + string)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to an integer of the specified radix. If `radix` is\n\t     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n\t     * hexadecimal, in which case a `radix` of `16` is used.\n\t     *\n\t     * **Note:** This method aligns with the\n\t     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category String\n\t     * @param {string} string The string to convert.\n\t     * @param {number} [radix=10] The radix to interpret `value` by.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.parseInt('08');\n\t     * // => 8\n\t     *\n\t     * _.map(['6', '08', '10'], _.parseInt);\n\t     * // => [6, 8, 10]\n\t     */\n\t    function parseInt(string, radix, guard) {\n\t      if (guard || radix == null) {\n\t        radix = 0;\n\t      } else if (radix) {\n\t        radix = +radix;\n\t      }\n\t      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n\t    }\n\t\n\t    /**\n\t     * Repeats the given string `n` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to repeat.\n\t     * @param {number} [n=1] The number of times to repeat the string.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the repeated string.\n\t     * @example\n\t     *\n\t     * _.repeat('*', 3);\n\t     * // => '***'\n\t     *\n\t     * _.repeat('abc', 2);\n\t     * // => 'abcabc'\n\t     *\n\t     * _.repeat('abc', 0);\n\t     * // => ''\n\t     */\n\t    function repeat(string, n, guard) {\n\t      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n\t        n = 1;\n\t      } else {\n\t        n = toInteger(n);\n\t      }\n\t      return baseRepeat(toString(string), n);\n\t    }\n\t\n\t    /**\n\t     * Replaces matches for `pattern` in `string` with `replacement`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`String#replace`](https://mdn.io/String/replace).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to modify.\n\t     * @param {RegExp|string} pattern The pattern to replace.\n\t     * @param {Function|string} replacement The match replacement.\n\t     * @returns {string} Returns the modified string.\n\t     * @example\n\t     *\n\t     * _.replace('Hi Fred', 'Fred', 'Barney');\n\t     * // => 'Hi Barney'\n\t     */\n\t    function replace() {\n\t      var args = arguments,\n\t          string = toString(args[0]);\n\t\n\t      return args.length < 3 ? string : string.replace(args[1], args[2]);\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the snake cased string.\n\t     * @example\n\t     *\n\t     * _.snakeCase('Foo Bar');\n\t     * // => 'foo_bar'\n\t     *\n\t     * _.snakeCase('fooBar');\n\t     * // => 'foo_bar'\n\t     *\n\t     * _.snakeCase('--FOO-BAR--');\n\t     * // => 'foo_bar'\n\t     */\n\t    var snakeCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? '_' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Splits `string` by `separator`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`String#split`](https://mdn.io/String/split).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to split.\n\t     * @param {RegExp|string} separator The separator pattern to split by.\n\t     * @param {number} [limit] The length to truncate results to.\n\t     * @returns {Array} Returns the string segments.\n\t     * @example\n\t     *\n\t     * _.split('a-b-c', '-', 2);\n\t     * // => ['a', 'b']\n\t     */\n\t    function split(string, separator, limit) {\n\t      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n\t        separator = limit = undefined;\n\t      }\n\t      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n\t      if (!limit) {\n\t        return [];\n\t      }\n\t      string = toString(string);\n\t      if (string && (\n\t            typeof separator == 'string' ||\n\t            (separator != null && !isRegExp(separator))\n\t          )) {\n\t        separator = baseToString(separator);\n\t        if (!separator && hasUnicode(string)) {\n\t          return castSlice(stringToArray(string), 0, limit);\n\t        }\n\t      }\n\t      return string.split(separator, limit);\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.1.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the start cased string.\n\t     * @example\n\t     *\n\t     * _.startCase('--foo-bar--');\n\t     * // => 'Foo Bar'\n\t     *\n\t     * _.startCase('fooBar');\n\t     * // => 'Foo Bar'\n\t     *\n\t     * _.startCase('__FOO_BAR__');\n\t     * // => 'FOO BAR'\n\t     */\n\t    var startCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + upperFirst(word);\n\t    });\n\t\n\t    /**\n\t     * Checks if `string` starts with the given target string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {string} [target] The string to search for.\n\t     * @param {number} [position=0] The position to search from.\n\t     * @returns {boolean} Returns `true` if `string` starts with `target`,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.startsWith('abc', 'a');\n\t     * // => true\n\t     *\n\t     * _.startsWith('abc', 'b');\n\t     * // => false\n\t     *\n\t     * _.startsWith('abc', 'b', 1);\n\t     * // => true\n\t     */\n\t    function startsWith(string, target, position) {\n\t      string = toString(string);\n\t      position = position == null\n\t        ? 0\n\t        : baseClamp(toInteger(position), 0, string.length);\n\t\n\t      target = baseToString(target);\n\t      return string.slice(position, position + target.length) == target;\n\t    }\n\t\n\t    /**\n\t     * Creates a compiled template function that can interpolate data properties\n\t     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n\t     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n\t     * properties may be accessed as free variables in the template. If a setting\n\t     * object is given, it takes precedence over `_.templateSettings` values.\n\t     *\n\t     * **Note:** In the development build `_.template` utilizes\n\t     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n\t     * for easier debugging.\n\t     *\n\t     * For more information on precompiling templates see\n\t     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n\t     *\n\t     * For more information on Chrome extension sandboxes see\n\t     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category String\n\t     * @param {string} [string=''] The template string.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {RegExp} [options.escape=_.templateSettings.escape]\n\t     *  The HTML \"escape\" delimiter.\n\t     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n\t     *  The \"evaluate\" delimiter.\n\t     * @param {Object} [options.imports=_.templateSettings.imports]\n\t     *  An object to import into the template as free variables.\n\t     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n\t     *  The \"interpolate\" delimiter.\n\t     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n\t     *  The sourceURL of the compiled template.\n\t     * @param {string} [options.variable='obj']\n\t     *  The data object variable name.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the compiled template function.\n\t     * @example\n\t     *\n\t     * // Use the \"interpolate\" delimiter to create a compiled template.\n\t     * var compiled = _.template('hello <%= user %>!');\n\t     * compiled({ 'user': 'fred' });\n\t     * // => 'hello fred!'\n\t     *\n\t     * // Use the HTML \"escape\" delimiter to escape data property values.\n\t     * var compiled = _.template('<b><%- value %></b>');\n\t     * compiled({ 'value': '<script>' });\n\t     * // => '<b>&lt;script&gt;</b>'\n\t     *\n\t     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n\t     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n\t     * compiled({ 'users': ['fred', 'barney'] });\n\t     * // => '<li>fred</li><li>barney</li>'\n\t     *\n\t     * // Use the internal `print` function in \"evaluate\" delimiters.\n\t     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n\t     * compiled({ 'user': 'barney' });\n\t     * // => 'hello barney!'\n\t     *\n\t     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n\t     * // Disable support by replacing the \"interpolate\" delimiter.\n\t     * var compiled = _.template('hello ${ user }!');\n\t     * compiled({ 'user': 'pebbles' });\n\t     * // => 'hello pebbles!'\n\t     *\n\t     * // Use backslashes to treat delimiters as plain text.\n\t     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n\t     * compiled({ 'value': 'ignored' });\n\t     * // => '<%- value %>'\n\t     *\n\t     * // Use the `imports` option to import `jQuery` as `jq`.\n\t     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n\t     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n\t     * compiled({ 'users': ['fred', 'barney'] });\n\t     * // => '<li>fred</li><li>barney</li>'\n\t     *\n\t     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n\t     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n\t     * compiled(data);\n\t     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n\t     *\n\t     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n\t     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n\t     * compiled.source;\n\t     * // => function(data) {\n\t     * //   var __t, __p = '';\n\t     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n\t     * //   return __p;\n\t     * // }\n\t     *\n\t     * // Use custom template delimiters.\n\t     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n\t     * var compiled = _.template('hello {{ user }}!');\n\t     * compiled({ 'user': 'mustache' });\n\t     * // => 'hello mustache!'\n\t     *\n\t     * // Use the `source` property to inline compiled templates for meaningful\n\t     * // line numbers in error messages and stack traces.\n\t     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n\t     *   var JST = {\\\n\t     *     \"main\": ' + _.template(mainText).source + '\\\n\t     *   };\\\n\t     * ');\n\t     */\n\t    function template(string, options, guard) {\n\t      // Based on John Resig's `tmpl` implementation\n\t      // (http://ejohn.org/blog/javascript-micro-templating/)\n\t      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n\t      var settings = lodash.templateSettings;\n\t\n\t      if (guard && isIterateeCall(string, options, guard)) {\n\t        options = undefined;\n\t      }\n\t      string = toString(string);\n\t      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\t\n\t      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n\t          importsKeys = keys(imports),\n\t          importsValues = baseValues(imports, importsKeys);\n\t\n\t      var isEscaping,\n\t          isEvaluating,\n\t          index = 0,\n\t          interpolate = options.interpolate || reNoMatch,\n\t          source = \"__p += '\";\n\t\n\t      // Compile the regexp to match each delimiter.\n\t      var reDelimiters = RegExp(\n\t        (options.escape || reNoMatch).source + '|' +\n\t        interpolate.source + '|' +\n\t        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n\t        (options.evaluate || reNoMatch).source + '|$'\n\t      , 'g');\n\t\n\t      // Use a sourceURL for easier debugging.\n\t      var sourceURL = '//# sourceURL=' +\n\t        ('sourceURL' in options\n\t          ? options.sourceURL\n\t          : ('lodash.templateSources[' + (++templateCounter) + ']')\n\t        ) + '\\n';\n\t\n\t      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n\t        interpolateValue || (interpolateValue = esTemplateValue);\n\t\n\t        // Escape characters that can't be included in string literals.\n\t        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\t\n\t        // Replace delimiters with snippets.\n\t        if (escapeValue) {\n\t          isEscaping = true;\n\t          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n\t        }\n\t        if (evaluateValue) {\n\t          isEvaluating = true;\n\t          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n\t        }\n\t        if (interpolateValue) {\n\t          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n\t        }\n\t        index = offset + match.length;\n\t\n\t        // The JS engine embedded in Adobe products needs `match` returned in\n\t        // order to produce the correct `offset` value.\n\t        return match;\n\t      });\n\t\n\t      source += \"';\\n\";\n\t\n\t      // If `variable` is not specified wrap a with-statement around the generated\n\t      // code to add the data object to the top of the scope chain.\n\t      var variable = options.variable;\n\t      if (!variable) {\n\t        source = 'with (obj) {\\n' + source + '\\n}\\n';\n\t      }\n\t      // Cleanup code by stripping empty strings.\n\t      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n\t        .replace(reEmptyStringMiddle, '$1')\n\t        .replace(reEmptyStringTrailing, '$1;');\n\t\n\t      // Frame code as the function body.\n\t      source = 'function(' + (variable || 'obj') + ') {\\n' +\n\t        (variable\n\t          ? ''\n\t          : 'obj || (obj = {});\\n'\n\t        ) +\n\t        \"var __t, __p = ''\" +\n\t        (isEscaping\n\t           ? ', __e = _.escape'\n\t           : ''\n\t        ) +\n\t        (isEvaluating\n\t          ? ', __j = Array.prototype.join;\\n' +\n\t            \"function print() { __p += __j.call(arguments, '') }\\n\"\n\t          : ';\\n'\n\t        ) +\n\t        source +\n\t        'return __p\\n}';\n\t\n\t      var result = attempt(function() {\n\t        return Function(importsKeys, sourceURL + 'return ' + source)\n\t          .apply(undefined, importsValues);\n\t      });\n\t\n\t      // Provide the compiled function's source by its `toString` method or\n\t      // the `source` property as a convenience for inlining compiled templates.\n\t      result.source = source;\n\t      if (isError(result)) {\n\t        throw result;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as a whole, to lower case just like\n\t     * [String#toLowerCase](https://mdn.io/toLowerCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the lower cased string.\n\t     * @example\n\t     *\n\t     * _.toLower('--Foo-Bar--');\n\t     * // => '--foo-bar--'\n\t     *\n\t     * _.toLower('fooBar');\n\t     * // => 'foobar'\n\t     *\n\t     * _.toLower('__FOO_BAR__');\n\t     * // => '__foo_bar__'\n\t     */\n\t    function toLower(value) {\n\t      return toString(value).toLowerCase();\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as a whole, to upper case just like\n\t     * [String#toUpperCase](https://mdn.io/toUpperCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the upper cased string.\n\t     * @example\n\t     *\n\t     * _.toUpper('--foo-bar--');\n\t     * // => '--FOO-BAR--'\n\t     *\n\t     * _.toUpper('fooBar');\n\t     * // => 'FOOBAR'\n\t     *\n\t     * _.toUpper('__foo_bar__');\n\t     * // => '__FOO_BAR__'\n\t     */\n\t    function toUpper(value) {\n\t      return toString(value).toUpperCase();\n\t    }\n\t\n\t    /**\n\t     * Removes leading and trailing whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trim('  abc  ');\n\t     * // => 'abc'\n\t     *\n\t     * _.trim('-_-abc-_-', '_-');\n\t     * // => 'abc'\n\t     *\n\t     * _.map(['  foo  ', '  bar  '], _.trim);\n\t     * // => ['foo', 'bar']\n\t     */\n\t    function trim(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrim, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          chrSymbols = stringToArray(chars),\n\t          start = charsStartIndex(strSymbols, chrSymbols),\n\t          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\t\n\t      return castSlice(strSymbols, start, end).join('');\n\t    }\n\t\n\t    /**\n\t     * Removes trailing whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trimEnd('  abc  ');\n\t     * // => '  abc'\n\t     *\n\t     * _.trimEnd('-_-abc-_-', '_-');\n\t     * // => '-_-abc'\n\t     */\n\t    function trimEnd(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrimEnd, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\t\n\t      return castSlice(strSymbols, 0, end).join('');\n\t    }\n\t\n\t    /**\n\t     * Removes leading whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trimStart('  abc  ');\n\t     * // => 'abc  '\n\t     *\n\t     * _.trimStart('-_-abc-_-', '_-');\n\t     * // => 'abc-_-'\n\t     */\n\t    function trimStart(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrimStart, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          start = charsStartIndex(strSymbols, stringToArray(chars));\n\t\n\t      return castSlice(strSymbols, start).join('');\n\t    }\n\t\n\t    /**\n\t     * Truncates `string` if it's longer than the given maximum string length.\n\t     * The last characters of the truncated string are replaced with the omission\n\t     * string which defaults to \"...\".\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to truncate.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {number} [options.length=30] The maximum string length.\n\t     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n\t     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n\t     * @returns {string} Returns the truncated string.\n\t     * @example\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino');\n\t     * // => 'hi-diddly-ho there, neighbo...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'length': 24,\n\t     *   'separator': ' '\n\t     * });\n\t     * // => 'hi-diddly-ho there,...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'length': 24,\n\t     *   'separator': /,? +/\n\t     * });\n\t     * // => 'hi-diddly-ho there...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'omission': ' [...]'\n\t     * });\n\t     * // => 'hi-diddly-ho there, neig [...]'\n\t     */\n\t    function truncate(string, options) {\n\t      var length = DEFAULT_TRUNC_LENGTH,\n\t          omission = DEFAULT_TRUNC_OMISSION;\n\t\n\t      if (isObject(options)) {\n\t        var separator = 'separator' in options ? options.separator : separator;\n\t        length = 'length' in options ? toInteger(options.length) : length;\n\t        omission = 'omission' in options ? baseToString(options.omission) : omission;\n\t      }\n\t      string = toString(string);\n\t\n\t      var strLength = string.length;\n\t      if (hasUnicode(string)) {\n\t        var strSymbols = stringToArray(string);\n\t        strLength = strSymbols.length;\n\t      }\n\t      if (length >= strLength) {\n\t        return string;\n\t      }\n\t      var end = length - stringSize(omission);\n\t      if (end < 1) {\n\t        return omission;\n\t      }\n\t      var result = strSymbols\n\t        ? castSlice(strSymbols, 0, end).join('')\n\t        : string.slice(0, end);\n\t\n\t      if (separator === undefined) {\n\t        return result + omission;\n\t      }\n\t      if (strSymbols) {\n\t        end += (result.length - end);\n\t      }\n\t      if (isRegExp(separator)) {\n\t        if (string.slice(end).search(separator)) {\n\t          var match,\n\t              substring = result;\n\t\n\t          if (!separator.global) {\n\t            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n\t          }\n\t          separator.lastIndex = 0;\n\t          while ((match = separator.exec(substring))) {\n\t            var newEnd = match.index;\n\t          }\n\t          result = result.slice(0, newEnd === undefined ? end : newEnd);\n\t        }\n\t      } else if (string.indexOf(baseToString(separator), end) != end) {\n\t        var index = result.lastIndexOf(separator);\n\t        if (index > -1) {\n\t          result = result.slice(0, index);\n\t        }\n\t      }\n\t      return result + omission;\n\t    }\n\t\n\t    /**\n\t     * The inverse of `_.escape`; this method converts the HTML entities\n\t     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n\t     * their corresponding characters.\n\t     *\n\t     * **Note:** No other HTML entities are unescaped. To unescape additional\n\t     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.6.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to unescape.\n\t     * @returns {string} Returns the unescaped string.\n\t     * @example\n\t     *\n\t     * _.unescape('fred, barney, &amp; pebbles');\n\t     * // => 'fred, barney, & pebbles'\n\t     */\n\t    function unescape(string) {\n\t      string = toString(string);\n\t      return (string && reHasEscapedHtml.test(string))\n\t        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as space separated words, to upper case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the upper cased string.\n\t     * @example\n\t     *\n\t     * _.upperCase('--foo-bar');\n\t     * // => 'FOO BAR'\n\t     *\n\t     * _.upperCase('fooBar');\n\t     * // => 'FOO BAR'\n\t     *\n\t     * _.upperCase('__foo_bar__');\n\t     * // => 'FOO BAR'\n\t     */\n\t    var upperCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + word.toUpperCase();\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to upper case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.upperFirst('fred');\n\t     * // => 'Fred'\n\t     *\n\t     * _.upperFirst('FRED');\n\t     * // => 'FRED'\n\t     */\n\t    var upperFirst = createCaseFirst('toUpperCase');\n\t\n\t    /**\n\t     * Splits `string` into an array of its words.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {RegExp|string} [pattern] The pattern to match words.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the words of `string`.\n\t     * @example\n\t     *\n\t     * _.words('fred, barney, & pebbles');\n\t     * // => ['fred', 'barney', 'pebbles']\n\t     *\n\t     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n\t     * // => ['fred', 'barney', '&', 'pebbles']\n\t     */\n\t    function words(string, pattern, guard) {\n\t      string = toString(string);\n\t      pattern = guard ? undefined : pattern;\n\t\n\t      if (pattern === undefined) {\n\t        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n\t      }\n\t      return string.match(pattern) || [];\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Attempts to invoke `func`, returning either the result or the caught error\n\t     * object. Any additional arguments are provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Function} func The function to attempt.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {*} Returns the `func` result or error object.\n\t     * @example\n\t     *\n\t     * // Avoid throwing errors for invalid selectors.\n\t     * var elements = _.attempt(function(selector) {\n\t     *   return document.querySelectorAll(selector);\n\t     * }, '>_>');\n\t     *\n\t     * if (_.isError(elements)) {\n\t     *   elements = [];\n\t     * }\n\t     */\n\t    var attempt = baseRest(function(func, args) {\n\t      try {\n\t        return apply(func, undefined, args);\n\t      } catch (e) {\n\t        return isError(e) ? e : new Error(e);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Binds methods of an object to the object itself, overwriting the existing\n\t     * method.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of bound functions.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {Object} object The object to bind and assign the bound methods to.\n\t     * @param {...(string|string[])} methodNames The object method names to bind.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var view = {\n\t     *   'label': 'docs',\n\t     *   'click': function() {\n\t     *     console.log('clicked ' + this.label);\n\t     *   }\n\t     * };\n\t     *\n\t     * _.bindAll(view, ['click']);\n\t     * jQuery(element).on('click', view.click);\n\t     * // => Logs 'clicked docs' when clicked.\n\t     */\n\t    var bindAll = flatRest(function(object, methodNames) {\n\t      arrayEach(methodNames, function(key) {\n\t        key = toKey(key);\n\t        baseAssignValue(object, key, bind(object[key], object));\n\t      });\n\t      return object;\n\t    });\n\t\n\t    /**\n\t     * Creates a function that iterates over `pairs` and invokes the corresponding\n\t     * function of the first predicate to return truthy. The predicate-function\n\t     * pairs are invoked with the `this` binding and arguments of the created\n\t     * function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {Array} pairs The predicate-function pairs.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @example\n\t     *\n\t     * var func = _.cond([\n\t     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n\t     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n\t     *   [_.stubTrue,                      _.constant('no match')]\n\t     * ]);\n\t     *\n\t     * func({ 'a': 1, 'b': 2 });\n\t     * // => 'matches A'\n\t     *\n\t     * func({ 'a': 0, 'b': 1 });\n\t     * // => 'matches B'\n\t     *\n\t     * func({ 'a': '1', 'b': '2' });\n\t     * // => 'no match'\n\t     */\n\t    function cond(pairs) {\n\t      var length = pairs == null ? 0 : pairs.length,\n\t          toIteratee = getIteratee();\n\t\n\t      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n\t        if (typeof pair[1] != 'function') {\n\t          throw new TypeError(FUNC_ERROR_TEXT);\n\t        }\n\t        return [toIteratee(pair[0]), pair[1]];\n\t      });\n\t\n\t      return baseRest(function(args) {\n\t        var index = -1;\n\t        while (++index < length) {\n\t          var pair = pairs[index];\n\t          if (apply(pair[0], this, args)) {\n\t            return apply(pair[1], this, args);\n\t          }\n\t        }\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes the predicate properties of `source` with\n\t     * the corresponding property values of a given object, returning `true` if\n\t     * all predicates return truthy, else `false`.\n\t     *\n\t     * **Note:** The created function is equivalent to `_.conformsTo` with\n\t     * `source` partially applied.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 2, 'b': 1 },\n\t     *   { 'a': 1, 'b': 2 }\n\t     * ];\n\t     *\n\t     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n\t     * // => [{ 'a': 1, 'b': 2 }]\n\t     */\n\t    function conforms(source) {\n\t      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that returns `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Util\n\t     * @param {*} value The value to return from the new function.\n\t     * @returns {Function} Returns the new constant function.\n\t     * @example\n\t     *\n\t     * var objects = _.times(2, _.constant({ 'a': 1 }));\n\t     *\n\t     * console.log(objects);\n\t     * // => [{ 'a': 1 }, { 'a': 1 }]\n\t     *\n\t     * console.log(objects[0] === objects[1]);\n\t     * // => true\n\t     */\n\t    function constant(value) {\n\t      return function() {\n\t        return value;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Checks `value` to determine whether a default value should be returned in\n\t     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n\t     * or `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.14.0\n\t     * @category Util\n\t     * @param {*} value The value to check.\n\t     * @param {*} defaultValue The default value.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * _.defaultTo(1, 10);\n\t     * // => 1\n\t     *\n\t     * _.defaultTo(undefined, 10);\n\t     * // => 10\n\t     */\n\t    function defaultTo(value, defaultValue) {\n\t      return (value == null || value !== value) ? defaultValue : value;\n\t    }\n\t\n\t    /**\n\t     * Creates a function that returns the result of invoking the given functions\n\t     * with the `this` binding of the created function, where each successive\n\t     * invocation is supplied the return value of the previous.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @see _.flowRight\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var addSquare = _.flow([_.add, square]);\n\t     * addSquare(1, 2);\n\t     * // => 9\n\t     */\n\t    var flow = createFlow();\n\t\n\t    /**\n\t     * This method is like `_.flow` except that it creates a function that\n\t     * invokes the given functions from right to left.\n\t     *\n\t     * @static\n\t     * @since 3.0.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @see _.flow\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var addSquare = _.flowRight([square, _.add]);\n\t     * addSquare(1, 2);\n\t     * // => 9\n\t     */\n\t    var flowRight = createFlow(true);\n\t\n\t    /**\n\t     * This method returns the first argument it receives.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {*} value Any value.\n\t     * @returns {*} Returns `value`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     *\n\t     * console.log(_.identity(object) === object);\n\t     * // => true\n\t     */\n\t    function identity(value) {\n\t      return value;\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the arguments of the created\n\t     * function. If `func` is a property name, the created function returns the\n\t     * property value for a given element. If `func` is an array or object, the\n\t     * created function returns `true` for elements that contain the equivalent\n\t     * source properties, otherwise it returns `false`.\n\t     *\n\t     * @static\n\t     * @since 4.0.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {*} [func=_.identity] The value to convert to a callback.\n\t     * @returns {Function} Returns the callback.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': true },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n\t     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.filter(users, _.iteratee(['user', 'fred']));\n\t     * // => [{ 'user': 'fred', 'age': 40 }]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.map(users, _.iteratee('user'));\n\t     * // => ['barney', 'fred']\n\t     *\n\t     * // Create custom iteratee shorthands.\n\t     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n\t     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n\t     *     return func.test(string);\n\t     *   };\n\t     * });\n\t     *\n\t     * _.filter(['abc', 'def'], /ef/);\n\t     * // => ['def']\n\t     */\n\t    function iteratee(func) {\n\t      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a partial deep comparison between a given\n\t     * object and `source`, returning `true` if the given object has equivalent\n\t     * property values, else `false`.\n\t     *\n\t     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n\t     * partially applied.\n\t     *\n\t     * Partial comparisons will match empty array and empty object `source`\n\t     * values against any array or object value, respectively. See `_.isEqual`\n\t     * for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 1, 'b': 2, 'c': 3 },\n\t     *   { 'a': 4, 'b': 5, 'c': 6 }\n\t     * ];\n\t     *\n\t     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n\t     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n\t     */\n\t    function matches(source) {\n\t      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a partial deep comparison between the\n\t     * value at `path` of a given object to `srcValue`, returning `true` if the\n\t     * object value is equivalent, else `false`.\n\t     *\n\t     * **Note:** Partial comparisons will match empty array and empty object\n\t     * `srcValue` values against any array or object value, respectively. See\n\t     * `_.isEqual` for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 1, 'b': 2, 'c': 3 },\n\t     *   { 'a': 4, 'b': 5, 'c': 6 }\n\t     * ];\n\t     *\n\t     * _.find(objects, _.matchesProperty('a', 4));\n\t     * // => { 'a': 4, 'b': 5, 'c': 6 }\n\t     */\n\t    function matchesProperty(path, srcValue) {\n\t      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes the method at `path` of a given object.\n\t     * Any additional arguments are provided to the invoked method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {Function} Returns the new invoker function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': { 'b': _.constant(2) } },\n\t     *   { 'a': { 'b': _.constant(1) } }\n\t     * ];\n\t     *\n\t     * _.map(objects, _.method('a.b'));\n\t     * // => [2, 1]\n\t     *\n\t     * _.map(objects, _.method(['a', 'b']));\n\t     * // => [2, 1]\n\t     */\n\t    var method = baseRest(function(path, args) {\n\t      return function(object) {\n\t        return baseInvoke(object, path, args);\n\t      };\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.method`; this method creates a function that invokes\n\t     * the method at a given path of `object`. Any additional arguments are\n\t     * provided to the invoked method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Util\n\t     * @param {Object} object The object to query.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {Function} Returns the new invoker function.\n\t     * @example\n\t     *\n\t     * var array = _.times(3, _.constant),\n\t     *     object = { 'a': array, 'b': array, 'c': array };\n\t     *\n\t     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n\t     * // => [2, 0]\n\t     *\n\t     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n\t     * // => [2, 0]\n\t     */\n\t    var methodOf = baseRest(function(object, args) {\n\t      return function(path) {\n\t        return baseInvoke(object, path, args);\n\t      };\n\t    });\n\t\n\t    /**\n\t     * Adds all own enumerable string keyed function properties of a source\n\t     * object to the destination object. If `object` is a function, then methods\n\t     * are added to its prototype as well.\n\t     *\n\t     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n\t     * avoid conflicts caused by modifying the original.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {Function|Object} [object=lodash] The destination object.\n\t     * @param {Object} source The object of functions to add.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n\t     * @returns {Function|Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * function vowels(string) {\n\t     *   return _.filter(string, function(v) {\n\t     *     return /[aeiou]/i.test(v);\n\t     *   });\n\t     * }\n\t     *\n\t     * _.mixin({ 'vowels': vowels });\n\t     * _.vowels('fred');\n\t     * // => ['e']\n\t     *\n\t     * _('fred').vowels().value();\n\t     * // => ['e']\n\t     *\n\t     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n\t     * _('fred').vowels();\n\t     * // => ['e']\n\t     */\n\t    function mixin(object, source, options) {\n\t      var props = keys(source),\n\t          methodNames = baseFunctions(source, props);\n\t\n\t      if (options == null &&\n\t          !(isObject(source) && (methodNames.length || !props.length))) {\n\t        options = source;\n\t        source = object;\n\t        object = this;\n\t        methodNames = baseFunctions(source, keys(source));\n\t      }\n\t      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n\t          isFunc = isFunction(object);\n\t\n\t      arrayEach(methodNames, function(methodName) {\n\t        var func = source[methodName];\n\t        object[methodName] = func;\n\t        if (isFunc) {\n\t          object.prototype[methodName] = function() {\n\t            var chainAll = this.__chain__;\n\t            if (chain || chainAll) {\n\t              var result = object(this.__wrapped__),\n\t                  actions = result.__actions__ = copyArray(this.__actions__);\n\t\n\t              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n\t              result.__chain__ = chainAll;\n\t              return result;\n\t            }\n\t            return func.apply(object, arrayPush([this.value()], arguments));\n\t          };\n\t        }\n\t      });\n\t\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Reverts the `_` variable to its previous value and returns a reference to\n\t     * the `lodash` function.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @returns {Function} Returns the `lodash` function.\n\t     * @example\n\t     *\n\t     * var lodash = _.noConflict();\n\t     */\n\t    function noConflict() {\n\t      if (root._ === this) {\n\t        root._ = oldDash;\n\t      }\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * This method returns `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.3.0\n\t     * @category Util\n\t     * @example\n\t     *\n\t     * _.times(2, _.noop);\n\t     * // => [undefined, undefined]\n\t     */\n\t    function noop() {\n\t      // No operation performed.\n\t    }\n\t\n\t    /**\n\t     * Creates a function that gets the argument at index `n`. If `n` is negative,\n\t     * the nth argument from the end is returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {number} [n=0] The index of the argument to return.\n\t     * @returns {Function} Returns the new pass-thru function.\n\t     * @example\n\t     *\n\t     * var func = _.nthArg(1);\n\t     * func('a', 'b', 'c', 'd');\n\t     * // => 'b'\n\t     *\n\t     * var func = _.nthArg(-2);\n\t     * func('a', 'b', 'c', 'd');\n\t     * // => 'c'\n\t     */\n\t    function nthArg(n) {\n\t      n = toInteger(n);\n\t      return baseRest(function(args) {\n\t        return baseNth(args, n);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `iteratees` with the arguments it receives\n\t     * and returns their results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n\t     *  The iteratees to invoke.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.over([Math.max, Math.min]);\n\t     *\n\t     * func(1, 2, 3, 4);\n\t     * // => [4, 1]\n\t     */\n\t    var over = createOver(arrayMap);\n\t\n\t    /**\n\t     * Creates a function that checks if **all** of the `predicates` return\n\t     * truthy when invoked with the arguments it receives.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [predicates=[_.identity]]\n\t     *  The predicates to check.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.overEvery([Boolean, isFinite]);\n\t     *\n\t     * func('1');\n\t     * // => true\n\t     *\n\t     * func(null);\n\t     * // => false\n\t     *\n\t     * func(NaN);\n\t     * // => false\n\t     */\n\t    var overEvery = createOver(arrayEvery);\n\t\n\t    /**\n\t     * Creates a function that checks if **any** of the `predicates` return\n\t     * truthy when invoked with the arguments it receives.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [predicates=[_.identity]]\n\t     *  The predicates to check.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.overSome([Boolean, isFinite]);\n\t     *\n\t     * func('1');\n\t     * // => true\n\t     *\n\t     * func(null);\n\t     * // => true\n\t     *\n\t     * func(NaN);\n\t     * // => false\n\t     */\n\t    var overSome = createOver(arraySome);\n\t\n\t    /**\n\t     * Creates a function that returns the value at `path` of a given object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {Function} Returns the new accessor function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': { 'b': 2 } },\n\t     *   { 'a': { 'b': 1 } }\n\t     * ];\n\t     *\n\t     * _.map(objects, _.property('a.b'));\n\t     * // => [2, 1]\n\t     *\n\t     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n\t     * // => [1, 2]\n\t     */\n\t    function property(path) {\n\t      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.property`; this method creates a function that returns\n\t     * the value at a given path of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Object} object The object to query.\n\t     * @returns {Function} Returns the new accessor function.\n\t     * @example\n\t     *\n\t     * var array = [0, 1, 2],\n\t     *     object = { 'a': array, 'b': array, 'c': array };\n\t     *\n\t     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n\t     * // => [2, 0]\n\t     *\n\t     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n\t     * // => [2, 0]\n\t     */\n\t    function propertyOf(object) {\n\t      return function(path) {\n\t        return object == null ? undefined : baseGet(object, path);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates an array of numbers (positive and/or negative) progressing from\n\t     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n\t     * `start` is specified without an `end` or `step`. If `end` is not specified,\n\t     * it's set to `start` with `start` then set to `0`.\n\t     *\n\t     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t     * floating-point values which can produce unexpected results.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} [step=1] The value to increment or decrement by.\n\t     * @returns {Array} Returns the range of numbers.\n\t     * @see _.inRange, _.rangeRight\n\t     * @example\n\t     *\n\t     * _.range(4);\n\t     * // => [0, 1, 2, 3]\n\t     *\n\t     * _.range(-4);\n\t     * // => [0, -1, -2, -3]\n\t     *\n\t     * _.range(1, 5);\n\t     * // => [1, 2, 3, 4]\n\t     *\n\t     * _.range(0, 20, 5);\n\t     * // => [0, 5, 10, 15]\n\t     *\n\t     * _.range(0, -4, -1);\n\t     * // => [0, -1, -2, -3]\n\t     *\n\t     * _.range(1, 4, 0);\n\t     * // => [1, 1, 1]\n\t     *\n\t     * _.range(0);\n\t     * // => []\n\t     */\n\t    var range = createRange();\n\t\n\t    /**\n\t     * This method is like `_.range` except that it populates values in\n\t     * descending order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} [step=1] The value to increment or decrement by.\n\t     * @returns {Array} Returns the range of numbers.\n\t     * @see _.inRange, _.range\n\t     * @example\n\t     *\n\t     * _.rangeRight(4);\n\t     * // => [3, 2, 1, 0]\n\t     *\n\t     * _.rangeRight(-4);\n\t     * // => [-3, -2, -1, 0]\n\t     *\n\t     * _.rangeRight(1, 5);\n\t     * // => [4, 3, 2, 1]\n\t     *\n\t     * _.rangeRight(0, 20, 5);\n\t     * // => [15, 10, 5, 0]\n\t     *\n\t     * _.rangeRight(0, -4, -1);\n\t     * // => [-3, -2, -1, 0]\n\t     *\n\t     * _.rangeRight(1, 4, 0);\n\t     * // => [1, 1, 1]\n\t     *\n\t     * _.rangeRight(0);\n\t     * // => []\n\t     */\n\t    var rangeRight = createRange(true);\n\t\n\t    /**\n\t     * This method returns a new empty array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {Array} Returns the new empty array.\n\t     * @example\n\t     *\n\t     * var arrays = _.times(2, _.stubArray);\n\t     *\n\t     * console.log(arrays);\n\t     * // => [[], []]\n\t     *\n\t     * console.log(arrays[0] === arrays[1]);\n\t     * // => false\n\t     */\n\t    function stubArray() {\n\t      return [];\n\t    }\n\t\n\t    /**\n\t     * This method returns `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {boolean} Returns `false`.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubFalse);\n\t     * // => [false, false]\n\t     */\n\t    function stubFalse() {\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * This method returns a new empty object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {Object} Returns the new empty object.\n\t     * @example\n\t     *\n\t     * var objects = _.times(2, _.stubObject);\n\t     *\n\t     * console.log(objects);\n\t     * // => [{}, {}]\n\t     *\n\t     * console.log(objects[0] === objects[1]);\n\t     * // => false\n\t     */\n\t    function stubObject() {\n\t      return {};\n\t    }\n\t\n\t    /**\n\t     * This method returns an empty string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {string} Returns the empty string.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubString);\n\t     * // => ['', '']\n\t     */\n\t    function stubString() {\n\t      return '';\n\t    }\n\t\n\t    /**\n\t     * This method returns `true`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {boolean} Returns `true`.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubTrue);\n\t     * // => [true, true]\n\t     */\n\t    function stubTrue() {\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Invokes the iteratee `n` times, returning an array of the results of\n\t     * each invocation. The iteratee is invoked with one argument; (index).\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {number} n The number of times to invoke `iteratee`.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the array of results.\n\t     * @example\n\t     *\n\t     * _.times(3, String);\n\t     * // => ['0', '1', '2']\n\t     *\n\t     *  _.times(4, _.constant(0));\n\t     * // => [0, 0, 0, 0]\n\t     */\n\t    function times(n, iteratee) {\n\t      n = toInteger(n);\n\t      if (n < 1 || n > MAX_SAFE_INTEGER) {\n\t        return [];\n\t      }\n\t      var index = MAX_ARRAY_LENGTH,\n\t          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\t\n\t      iteratee = getIteratee(iteratee);\n\t      n -= MAX_ARRAY_LENGTH;\n\t\n\t      var result = baseTimes(length, iteratee);\n\t      while (++index < n) {\n\t        iteratee(index);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a property path array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {*} value The value to convert.\n\t     * @returns {Array} Returns the new property path array.\n\t     * @example\n\t     *\n\t     * _.toPath('a.b.c');\n\t     * // => ['a', 'b', 'c']\n\t     *\n\t     * _.toPath('a[0].b.c');\n\t     * // => ['a', '0', 'b', 'c']\n\t     */\n\t    function toPath(value) {\n\t      if (isArray(value)) {\n\t        return arrayMap(value, toKey);\n\t      }\n\t      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n\t    }\n\t\n\t    /**\n\t     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {string} [prefix=''] The value to prefix the ID with.\n\t     * @returns {string} Returns the unique ID.\n\t     * @example\n\t     *\n\t     * _.uniqueId('contact_');\n\t     * // => 'contact_104'\n\t     *\n\t     * _.uniqueId();\n\t     * // => '105'\n\t     */\n\t    function uniqueId(prefix) {\n\t      var id = ++idCounter;\n\t      return toString(prefix) + id;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Adds two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.4.0\n\t     * @category Math\n\t     * @param {number} augend The first number in an addition.\n\t     * @param {number} addend The second number in an addition.\n\t     * @returns {number} Returns the total.\n\t     * @example\n\t     *\n\t     * _.add(6, 4);\n\t     * // => 10\n\t     */\n\t    var add = createMathOperation(function(augend, addend) {\n\t      return augend + addend;\n\t    }, 0);\n\t\n\t    /**\n\t     * Computes `number` rounded up to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round up.\n\t     * @param {number} [precision=0] The precision to round up to.\n\t     * @returns {number} Returns the rounded up number.\n\t     * @example\n\t     *\n\t     * _.ceil(4.006);\n\t     * // => 5\n\t     *\n\t     * _.ceil(6.004, 2);\n\t     * // => 6.01\n\t     *\n\t     * _.ceil(6040, -2);\n\t     * // => 6100\n\t     */\n\t    var ceil = createRound('ceil');\n\t\n\t    /**\n\t     * Divide two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {number} dividend The first number in a division.\n\t     * @param {number} divisor The second number in a division.\n\t     * @returns {number} Returns the quotient.\n\t     * @example\n\t     *\n\t     * _.divide(6, 4);\n\t     * // => 1.5\n\t     */\n\t    var divide = createMathOperation(function(dividend, divisor) {\n\t      return dividend / divisor;\n\t    }, 1);\n\t\n\t    /**\n\t     * Computes `number` rounded down to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round down.\n\t     * @param {number} [precision=0] The precision to round down to.\n\t     * @returns {number} Returns the rounded down number.\n\t     * @example\n\t     *\n\t     * _.floor(4.006);\n\t     * // => 4\n\t     *\n\t     * _.floor(0.046, 2);\n\t     * // => 0.04\n\t     *\n\t     * _.floor(4060, -2);\n\t     * // => 4000\n\t     */\n\t    var floor = createRound('floor');\n\t\n\t    /**\n\t     * Computes the maximum value of `array`. If `array` is empty or falsey,\n\t     * `undefined` is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {*} Returns the maximum value.\n\t     * @example\n\t     *\n\t     * _.max([4, 2, 8, 6]);\n\t     * // => 8\n\t     *\n\t     * _.max([]);\n\t     * // => undefined\n\t     */\n\t    function max(array) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, identity, baseGt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.max` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * the value is ranked. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {*} Returns the maximum value.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n\t     *\n\t     * _.maxBy(objects, function(o) { return o.n; });\n\t     * // => { 'n': 2 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.maxBy(objects, 'n');\n\t     * // => { 'n': 2 }\n\t     */\n\t    function maxBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * Computes the mean of the values in `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {number} Returns the mean.\n\t     * @example\n\t     *\n\t     * _.mean([4, 2, 8, 6]);\n\t     * // => 5\n\t     */\n\t    function mean(array) {\n\t      return baseMean(array, identity);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.mean` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the value to be averaged.\n\t     * The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the mean.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n\t     *\n\t     * _.meanBy(objects, function(o) { return o.n; });\n\t     * // => 5\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.meanBy(objects, 'n');\n\t     * // => 5\n\t     */\n\t    function meanBy(array, iteratee) {\n\t      return baseMean(array, getIteratee(iteratee, 2));\n\t    }\n\t\n\t    /**\n\t     * Computes the minimum value of `array`. If `array` is empty or falsey,\n\t     * `undefined` is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {*} Returns the minimum value.\n\t     * @example\n\t     *\n\t     * _.min([4, 2, 8, 6]);\n\t     * // => 2\n\t     *\n\t     * _.min([]);\n\t     * // => undefined\n\t     */\n\t    function min(array) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, identity, baseLt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.min` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * the value is ranked. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {*} Returns the minimum value.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n\t     *\n\t     * _.minBy(objects, function(o) { return o.n; });\n\t     * // => { 'n': 1 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.minBy(objects, 'n');\n\t     * // => { 'n': 1 }\n\t     */\n\t    function minBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * Multiply two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {number} multiplier The first number in a multiplication.\n\t     * @param {number} multiplicand The second number in a multiplication.\n\t     * @returns {number} Returns the product.\n\t     * @example\n\t     *\n\t     * _.multiply(6, 4);\n\t     * // => 24\n\t     */\n\t    var multiply = createMathOperation(function(multiplier, multiplicand) {\n\t      return multiplier * multiplicand;\n\t    }, 1);\n\t\n\t    /**\n\t     * Computes `number` rounded to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round.\n\t     * @param {number} [precision=0] The precision to round to.\n\t     * @returns {number} Returns the rounded number.\n\t     * @example\n\t     *\n\t     * _.round(4.006);\n\t     * // => 4\n\t     *\n\t     * _.round(4.006, 2);\n\t     * // => 4.01\n\t     *\n\t     * _.round(4060, -2);\n\t     * // => 4100\n\t     */\n\t    var round = createRound('round');\n\t\n\t    /**\n\t     * Subtract two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {number} minuend The first number in a subtraction.\n\t     * @param {number} subtrahend The second number in a subtraction.\n\t     * @returns {number} Returns the difference.\n\t     * @example\n\t     *\n\t     * _.subtract(6, 4);\n\t     * // => 2\n\t     */\n\t    var subtract = createMathOperation(function(minuend, subtrahend) {\n\t      return minuend - subtrahend;\n\t    }, 0);\n\t\n\t    /**\n\t     * Computes the sum of the values in `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.4.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {number} Returns the sum.\n\t     * @example\n\t     *\n\t     * _.sum([4, 2, 8, 6]);\n\t     * // => 20\n\t     */\n\t    function sum(array) {\n\t      return (array && array.length)\n\t        ? baseSum(array, identity)\n\t        : 0;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sum` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the value to be summed.\n\t     * The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the sum.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n\t     *\n\t     * _.sumBy(objects, function(o) { return o.n; });\n\t     * // => 20\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sumBy(objects, 'n');\n\t     * // => 20\n\t     */\n\t    function sumBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseSum(array, getIteratee(iteratee, 2))\n\t        : 0;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    // Add methods that return wrapped values in chain sequences.\n\t    lodash.after = after;\n\t    lodash.ary = ary;\n\t    lodash.assign = assign;\n\t    lodash.assignIn = assignIn;\n\t    lodash.assignInWith = assignInWith;\n\t    lodash.assignWith = assignWith;\n\t    lodash.at = at;\n\t    lodash.before = before;\n\t    lodash.bind = bind;\n\t    lodash.bindAll = bindAll;\n\t    lodash.bindKey = bindKey;\n\t    lodash.castArray = castArray;\n\t    lodash.chain = chain;\n\t    lodash.chunk = chunk;\n\t    lodash.compact = compact;\n\t    lodash.concat = concat;\n\t    lodash.cond = cond;\n\t    lodash.conforms = conforms;\n\t    lodash.constant = constant;\n\t    lodash.countBy = countBy;\n\t    lodash.create = create;\n\t    lodash.curry = curry;\n\t    lodash.curryRight = curryRight;\n\t    lodash.debounce = debounce;\n\t    lodash.defaults = defaults;\n\t    lodash.defaultsDeep = defaultsDeep;\n\t    lodash.defer = defer;\n\t    lodash.delay = delay;\n\t    lodash.difference = difference;\n\t    lodash.differenceBy = differenceBy;\n\t    lodash.differenceWith = differenceWith;\n\t    lodash.drop = drop;\n\t    lodash.dropRight = dropRight;\n\t    lodash.dropRightWhile = dropRightWhile;\n\t    lodash.dropWhile = dropWhile;\n\t    lodash.fill = fill;\n\t    lodash.filter = filter;\n\t    lodash.flatMap = flatMap;\n\t    lodash.flatMapDeep = flatMapDeep;\n\t    lodash.flatMapDepth = flatMapDepth;\n\t    lodash.flatten = flatten;\n\t    lodash.flattenDeep = flattenDeep;\n\t    lodash.flattenDepth = flattenDepth;\n\t    lodash.flip = flip;\n\t    lodash.flow = flow;\n\t    lodash.flowRight = flowRight;\n\t    lodash.fromPairs = fromPairs;\n\t    lodash.functions = functions;\n\t    lodash.functionsIn = functionsIn;\n\t    lodash.groupBy = groupBy;\n\t    lodash.initial = initial;\n\t    lodash.intersection = intersection;\n\t    lodash.intersectionBy = intersectionBy;\n\t    lodash.intersectionWith = intersectionWith;\n\t    lodash.invert = invert;\n\t    lodash.invertBy = invertBy;\n\t    lodash.invokeMap = invokeMap;\n\t    lodash.iteratee = iteratee;\n\t    lodash.keyBy = keyBy;\n\t    lodash.keys = keys;\n\t    lodash.keysIn = keysIn;\n\t    lodash.map = map;\n\t    lodash.mapKeys = mapKeys;\n\t    lodash.mapValues = mapValues;\n\t    lodash.matches = matches;\n\t    lodash.matchesProperty = matchesProperty;\n\t    lodash.memoize = memoize;\n\t    lodash.merge = merge;\n\t    lodash.mergeWith = mergeWith;\n\t    lodash.method = method;\n\t    lodash.methodOf = methodOf;\n\t    lodash.mixin = mixin;\n\t    lodash.negate = negate;\n\t    lodash.nthArg = nthArg;\n\t    lodash.omit = omit;\n\t    lodash.omitBy = omitBy;\n\t    lodash.once = once;\n\t    lodash.orderBy = orderBy;\n\t    lodash.over = over;\n\t    lodash.overArgs = overArgs;\n\t    lodash.overEvery = overEvery;\n\t    lodash.overSome = overSome;\n\t    lodash.partial = partial;\n\t    lodash.partialRight = partialRight;\n\t    lodash.partition = partition;\n\t    lodash.pick = pick;\n\t    lodash.pickBy = pickBy;\n\t    lodash.property = property;\n\t    lodash.propertyOf = propertyOf;\n\t    lodash.pull = pull;\n\t    lodash.pullAll = pullAll;\n\t    lodash.pullAllBy = pullAllBy;\n\t    lodash.pullAllWith = pullAllWith;\n\t    lodash.pullAt = pullAt;\n\t    lodash.range = range;\n\t    lodash.rangeRight = rangeRight;\n\t    lodash.rearg = rearg;\n\t    lodash.reject = reject;\n\t    lodash.remove = remove;\n\t    lodash.rest = rest;\n\t    lodash.reverse = reverse;\n\t    lodash.sampleSize = sampleSize;\n\t    lodash.set = set;\n\t    lodash.setWith = setWith;\n\t    lodash.shuffle = shuffle;\n\t    lodash.slice = slice;\n\t    lodash.sortBy = sortBy;\n\t    lodash.sortedUniq = sortedUniq;\n\t    lodash.sortedUniqBy = sortedUniqBy;\n\t    lodash.split = split;\n\t    lodash.spread = spread;\n\t    lodash.tail = tail;\n\t    lodash.take = take;\n\t    lodash.takeRight = takeRight;\n\t    lodash.takeRightWhile = takeRightWhile;\n\t    lodash.takeWhile = takeWhile;\n\t    lodash.tap = tap;\n\t    lodash.throttle = throttle;\n\t    lodash.thru = thru;\n\t    lodash.toArray = toArray;\n\t    lodash.toPairs = toPairs;\n\t    lodash.toPairsIn = toPairsIn;\n\t    lodash.toPath = toPath;\n\t    lodash.toPlainObject = toPlainObject;\n\t    lodash.transform = transform;\n\t    lodash.unary = unary;\n\t    lodash.union = union;\n\t    lodash.unionBy = unionBy;\n\t    lodash.unionWith = unionWith;\n\t    lodash.uniq = uniq;\n\t    lodash.uniqBy = uniqBy;\n\t    lodash.uniqWith = uniqWith;\n\t    lodash.unset = unset;\n\t    lodash.unzip = unzip;\n\t    lodash.unzipWith = unzipWith;\n\t    lodash.update = update;\n\t    lodash.updateWith = updateWith;\n\t    lodash.values = values;\n\t    lodash.valuesIn = valuesIn;\n\t    lodash.without = without;\n\t    lodash.words = words;\n\t    lodash.wrap = wrap;\n\t    lodash.xor = xor;\n\t    lodash.xorBy = xorBy;\n\t    lodash.xorWith = xorWith;\n\t    lodash.zip = zip;\n\t    lodash.zipObject = zipObject;\n\t    lodash.zipObjectDeep = zipObjectDeep;\n\t    lodash.zipWith = zipWith;\n\t\n\t    // Add aliases.\n\t    lodash.entries = toPairs;\n\t    lodash.entriesIn = toPairsIn;\n\t    lodash.extend = assignIn;\n\t    lodash.extendWith = assignInWith;\n\t\n\t    // Add methods to `lodash.prototype`.\n\t    mixin(lodash, lodash);\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    // Add methods that return unwrapped values in chain sequences.\n\t    lodash.add = add;\n\t    lodash.attempt = attempt;\n\t    lodash.camelCase = camelCase;\n\t    lodash.capitalize = capitalize;\n\t    lodash.ceil = ceil;\n\t    lodash.clamp = clamp;\n\t    lodash.clone = clone;\n\t    lodash.cloneDeep = cloneDeep;\n\t    lodash.cloneDeepWith = cloneDeepWith;\n\t    lodash.cloneWith = cloneWith;\n\t    lodash.conformsTo = conformsTo;\n\t    lodash.deburr = deburr;\n\t    lodash.defaultTo = defaultTo;\n\t    lodash.divide = divide;\n\t    lodash.endsWith = endsWith;\n\t    lodash.eq = eq;\n\t    lodash.escape = escape;\n\t    lodash.escapeRegExp = escapeRegExp;\n\t    lodash.every = every;\n\t    lodash.find = find;\n\t    lodash.findIndex = findIndex;\n\t    lodash.findKey = findKey;\n\t    lodash.findLast = findLast;\n\t    lodash.findLastIndex = findLastIndex;\n\t    lodash.findLastKey = findLastKey;\n\t    lodash.floor = floor;\n\t    lodash.forEach = forEach;\n\t    lodash.forEachRight = forEachRight;\n\t    lodash.forIn = forIn;\n\t    lodash.forInRight = forInRight;\n\t    lodash.forOwn = forOwn;\n\t    lodash.forOwnRight = forOwnRight;\n\t    lodash.get = get;\n\t    lodash.gt = gt;\n\t    lodash.gte = gte;\n\t    lodash.has = has;\n\t    lodash.hasIn = hasIn;\n\t    lodash.head = head;\n\t    lodash.identity = identity;\n\t    lodash.includes = includes;\n\t    lodash.indexOf = indexOf;\n\t    lodash.inRange = inRange;\n\t    lodash.invoke = invoke;\n\t    lodash.isArguments = isArguments;\n\t    lodash.isArray = isArray;\n\t    lodash.isArrayBuffer = isArrayBuffer;\n\t    lodash.isArrayLike = isArrayLike;\n\t    lodash.isArrayLikeObject = isArrayLikeObject;\n\t    lodash.isBoolean = isBoolean;\n\t    lodash.isBuffer = isBuffer;\n\t    lodash.isDate = isDate;\n\t    lodash.isElement = isElement;\n\t    lodash.isEmpty = isEmpty;\n\t    lodash.isEqual = isEqual;\n\t    lodash.isEqualWith = isEqualWith;\n\t    lodash.isError = isError;\n\t    lodash.isFinite = isFinite;\n\t    lodash.isFunction = isFunction;\n\t    lodash.isInteger = isInteger;\n\t    lodash.isLength = isLength;\n\t    lodash.isMap = isMap;\n\t    lodash.isMatch = isMatch;\n\t    lodash.isMatchWith = isMatchWith;\n\t    lodash.isNaN = isNaN;\n\t    lodash.isNative = isNative;\n\t    lodash.isNil = isNil;\n\t    lodash.isNull = isNull;\n\t    lodash.isNumber = isNumber;\n\t    lodash.isObject = isObject;\n\t    lodash.isObjectLike = isObjectLike;\n\t    lodash.isPlainObject = isPlainObject;\n\t    lodash.isRegExp = isRegExp;\n\t    lodash.isSafeInteger = isSafeInteger;\n\t    lodash.isSet = isSet;\n\t    lodash.isString = isString;\n\t    lodash.isSymbol = isSymbol;\n\t    lodash.isTypedArray = isTypedArray;\n\t    lodash.isUndefined = isUndefined;\n\t    lodash.isWeakMap = isWeakMap;\n\t    lodash.isWeakSet = isWeakSet;\n\t    lodash.join = join;\n\t    lodash.kebabCase = kebabCase;\n\t    lodash.last = last;\n\t    lodash.lastIndexOf = lastIndexOf;\n\t    lodash.lowerCase = lowerCase;\n\t    lodash.lowerFirst = lowerFirst;\n\t    lodash.lt = lt;\n\t    lodash.lte = lte;\n\t    lodash.max = max;\n\t    lodash.maxBy = maxBy;\n\t    lodash.mean = mean;\n\t    lodash.meanBy = meanBy;\n\t    lodash.min = min;\n\t    lodash.minBy = minBy;\n\t    lodash.stubArray = stubArray;\n\t    lodash.stubFalse = stubFalse;\n\t    lodash.stubObject = stubObject;\n\t    lodash.stubString = stubString;\n\t    lodash.stubTrue = stubTrue;\n\t    lodash.multiply = multiply;\n\t    lodash.nth = nth;\n\t    lodash.noConflict = noConflict;\n\t    lodash.noop = noop;\n\t    lodash.now = now;\n\t    lodash.pad = pad;\n\t    lodash.padEnd = padEnd;\n\t    lodash.padStart = padStart;\n\t    lodash.parseInt = parseInt;\n\t    lodash.random = random;\n\t    lodash.reduce = reduce;\n\t    lodash.reduceRight = reduceRight;\n\t    lodash.repeat = repeat;\n\t    lodash.replace = replace;\n\t    lodash.result = result;\n\t    lodash.round = round;\n\t    lodash.runInContext = runInContext;\n\t    lodash.sample = sample;\n\t    lodash.size = size;\n\t    lodash.snakeCase = snakeCase;\n\t    lodash.some = some;\n\t    lodash.sortedIndex = sortedIndex;\n\t    lodash.sortedIndexBy = sortedIndexBy;\n\t    lodash.sortedIndexOf = sortedIndexOf;\n\t    lodash.sortedLastIndex = sortedLastIndex;\n\t    lodash.sortedLastIndexBy = sortedLastIndexBy;\n\t    lodash.sortedLastIndexOf = sortedLastIndexOf;\n\t    lodash.startCase = startCase;\n\t    lodash.startsWith = startsWith;\n\t    lodash.subtract = subtract;\n\t    lodash.sum = sum;\n\t    lodash.sumBy = sumBy;\n\t    lodash.template = template;\n\t    lodash.times = times;\n\t    lodash.toFinite = toFinite;\n\t    lodash.toInteger = toInteger;\n\t    lodash.toLength = toLength;\n\t    lodash.toLower = toLower;\n\t    lodash.toNumber = toNumber;\n\t    lodash.toSafeInteger = toSafeInteger;\n\t    lodash.toString = toString;\n\t    lodash.toUpper = toUpper;\n\t    lodash.trim = trim;\n\t    lodash.trimEnd = trimEnd;\n\t    lodash.trimStart = trimStart;\n\t    lodash.truncate = truncate;\n\t    lodash.unescape = unescape;\n\t    lodash.uniqueId = uniqueId;\n\t    lodash.upperCase = upperCase;\n\t    lodash.upperFirst = upperFirst;\n\t\n\t    // Add aliases.\n\t    lodash.each = forEach;\n\t    lodash.eachRight = forEachRight;\n\t    lodash.first = head;\n\t\n\t    mixin(lodash, (function() {\n\t      var source = {};\n\t      baseForOwn(lodash, function(func, methodName) {\n\t        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n\t          source[methodName] = func;\n\t        }\n\t      });\n\t      return source;\n\t    }()), { 'chain': false });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * The semantic version number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @type {string}\n\t     */\n\t    lodash.VERSION = VERSION;\n\t\n\t    // Assign default placeholders.\n\t    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n\t      lodash[methodName].placeholder = lodash;\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n\t    arrayEach(['drop', 'take'], function(methodName, index) {\n\t      LazyWrapper.prototype[methodName] = function(n) {\n\t        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\t\n\t        var result = (this.__filtered__ && !index)\n\t          ? new LazyWrapper(this)\n\t          : this.clone();\n\t\n\t        if (result.__filtered__) {\n\t          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n\t        } else {\n\t          result.__views__.push({\n\t            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n\t            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n\t          });\n\t        }\n\t        return result;\n\t      };\n\t\n\t      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n\t        return this.reverse()[methodName](n).reverse();\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods that accept an `iteratee` value.\n\t    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n\t      var type = index + 1,\n\t          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\t\n\t      LazyWrapper.prototype[methodName] = function(iteratee) {\n\t        var result = this.clone();\n\t        result.__iteratees__.push({\n\t          'iteratee': getIteratee(iteratee, 3),\n\t          'type': type\n\t        });\n\t        result.__filtered__ = result.__filtered__ || isFilter;\n\t        return result;\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n\t    arrayEach(['head', 'last'], function(methodName, index) {\n\t      var takeName = 'take' + (index ? 'Right' : '');\n\t\n\t      LazyWrapper.prototype[methodName] = function() {\n\t        return this[takeName](1).value()[0];\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n\t    arrayEach(['initial', 'tail'], function(methodName, index) {\n\t      var dropName = 'drop' + (index ? '' : 'Right');\n\t\n\t      LazyWrapper.prototype[methodName] = function() {\n\t        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n\t      };\n\t    });\n\t\n\t    LazyWrapper.prototype.compact = function() {\n\t      return this.filter(identity);\n\t    };\n\t\n\t    LazyWrapper.prototype.find = function(predicate) {\n\t      return this.filter(predicate).head();\n\t    };\n\t\n\t    LazyWrapper.prototype.findLast = function(predicate) {\n\t      return this.reverse().find(predicate);\n\t    };\n\t\n\t    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n\t      if (typeof path == 'function') {\n\t        return new LazyWrapper(this);\n\t      }\n\t      return this.map(function(value) {\n\t        return baseInvoke(value, path, args);\n\t      });\n\t    });\n\t\n\t    LazyWrapper.prototype.reject = function(predicate) {\n\t      return this.filter(negate(getIteratee(predicate)));\n\t    };\n\t\n\t    LazyWrapper.prototype.slice = function(start, end) {\n\t      start = toInteger(start);\n\t\n\t      var result = this;\n\t      if (result.__filtered__ && (start > 0 || end < 0)) {\n\t        return new LazyWrapper(result);\n\t      }\n\t      if (start < 0) {\n\t        result = result.takeRight(-start);\n\t      } else if (start) {\n\t        result = result.drop(start);\n\t      }\n\t      if (end !== undefined) {\n\t        end = toInteger(end);\n\t        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n\t      }\n\t      return result;\n\t    };\n\t\n\t    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n\t      return this.reverse().takeWhile(predicate).reverse();\n\t    };\n\t\n\t    LazyWrapper.prototype.toArray = function() {\n\t      return this.take(MAX_ARRAY_LENGTH);\n\t    };\n\t\n\t    // Add `LazyWrapper` methods to `lodash.prototype`.\n\t    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n\t      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n\t          isTaker = /^(?:head|last)$/.test(methodName),\n\t          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n\t          retUnwrapped = isTaker || /^find/.test(methodName);\n\t\n\t      if (!lodashFunc) {\n\t        return;\n\t      }\n\t      lodash.prototype[methodName] = function() {\n\t        var value = this.__wrapped__,\n\t            args = isTaker ? [1] : arguments,\n\t            isLazy = value instanceof LazyWrapper,\n\t            iteratee = args[0],\n\t            useLazy = isLazy || isArray(value);\n\t\n\t        var interceptor = function(value) {\n\t          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n\t          return (isTaker && chainAll) ? result[0] : result;\n\t        };\n\t\n\t        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n\t          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n\t          isLazy = useLazy = false;\n\t        }\n\t        var chainAll = this.__chain__,\n\t            isHybrid = !!this.__actions__.length,\n\t            isUnwrapped = retUnwrapped && !chainAll,\n\t            onlyLazy = isLazy && !isHybrid;\n\t\n\t        if (!retUnwrapped && useLazy) {\n\t          value = onlyLazy ? value : new LazyWrapper(this);\n\t          var result = func.apply(value, args);\n\t          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n\t          return new LodashWrapper(result, chainAll);\n\t        }\n\t        if (isUnwrapped && onlyLazy) {\n\t          return func.apply(this, args);\n\t        }\n\t        result = this.thru(interceptor);\n\t        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n\t      };\n\t    });\n\t\n\t    // Add `Array` methods to `lodash.prototype`.\n\t    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n\t      var func = arrayProto[methodName],\n\t          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n\t          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\t\n\t      lodash.prototype[methodName] = function() {\n\t        var args = arguments;\n\t        if (retUnwrapped && !this.__chain__) {\n\t          var value = this.value();\n\t          return func.apply(isArray(value) ? value : [], args);\n\t        }\n\t        return this[chainName](function(value) {\n\t          return func.apply(isArray(value) ? value : [], args);\n\t        });\n\t      };\n\t    });\n\t\n\t    // Map minified method names to their real names.\n\t    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n\t      var lodashFunc = lodash[methodName];\n\t      if (lodashFunc) {\n\t        var key = (lodashFunc.name + ''),\n\t            names = realNames[key] || (realNames[key] = []);\n\t\n\t        names.push({ 'name': methodName, 'func': lodashFunc });\n\t      }\n\t    });\n\t\n\t    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n\t      'name': 'wrapper',\n\t      'func': undefined\n\t    }];\n\t\n\t    // Add methods to `LazyWrapper`.\n\t    LazyWrapper.prototype.clone = lazyClone;\n\t    LazyWrapper.prototype.reverse = lazyReverse;\n\t    LazyWrapper.prototype.value = lazyValue;\n\t\n\t    // Add chain sequence methods to the `lodash` wrapper.\n\t    lodash.prototype.at = wrapperAt;\n\t    lodash.prototype.chain = wrapperChain;\n\t    lodash.prototype.commit = wrapperCommit;\n\t    lodash.prototype.next = wrapperNext;\n\t    lodash.prototype.plant = wrapperPlant;\n\t    lodash.prototype.reverse = wrapperReverse;\n\t    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\t\n\t    // Add lazy aliases.\n\t    lodash.prototype.first = lodash.prototype.head;\n\t\n\t    if (symIterator) {\n\t      lodash.prototype[symIterator] = wrapperToIterator;\n\t    }\n\t    return lodash;\n\t  });\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  // Export lodash.\n\t  var _ = runInContext();\n\t\n\t  // Some AMD build optimizers, like r.js, check for condition patterns like:\n\t  if (true) {\n\t    // Expose Lodash on the global object to prevent errors when Lodash is\n\t    // loaded by a script tag in the presence of an AMD loader.\n\t    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n\t    // Use `_.noConflict` to remove Lodash from the global object.\n\t    root._ = _;\n\t\n\t    // Define as an anonymous module so, through path mapping, it can be\n\t    // referenced as the \"underscore\" module.\n\t    !(__WEBPACK_AMD_DEFINE_RESULT__ = function() {\n\t      return _;\n\t    }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n\t  }\n\t  // Check for `exports` after `define` in case a build optimizer adds it.\n\t  else if (freeModule) {\n\t    // Export for Node.js.\n\t    (freeModule.exports = _)._ = _;\n\t    // Export for CommonJS support.\n\t    freeExports._ = _;\n\t  }\n\t  else {\n\t    // Export to the global object.\n\t    root._ = _;\n\t  }\n\t}.call(this));\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()), __webpack_require__(13)(module)))\n\n/***/ }),\n/* 57 */\n/***/ (function(module, exports) {\n\n\tvar core = module.exports = {version: '2.4.0'};\n\tif(typeof __e == 'number')__e = core; // eslint-disable-line no-undef\n\n/***/ }),\n/* 58 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(exec){\n\t  try {\n\t    return !!exec();\n\t  } catch(e){\n\t    return true;\n\t  }\n\t};\n\n/***/ }),\n/* 59 */\n/***/ (function(module, exports) {\n\n\t// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\n\tvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n\t  ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();\n\tif(typeof __g == 'number')__g = global; // eslint-disable-line no-undef\n\n/***/ }),\n/* 60 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar anObject       = __webpack_require__(145)\n\t  , IE8_DOM_DEFINE = __webpack_require__(150)\n\t  , toPrimitive    = __webpack_require__(152)\n\t  , dP             = Object.defineProperty;\n\t\n\texports.f = __webpack_require__(18) ? Object.defineProperty : function defineProperty(O, P, Attributes){\n\t  anObject(O);\n\t  P = toPrimitive(P, true);\n\t  anObject(Attributes);\n\t  if(IE8_DOM_DEFINE)try {\n\t    return dP(O, P, Attributes);\n\t  } catch(e){ /* empty */ }\n\t  if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!');\n\t  if('value' in Attributes)O[P] = Attributes.value;\n\t  return O;\n\t};\n\n/***/ }),\n/* 61 */\n/***/ (function(module, exports) {\n\n\tvar core = module.exports = {version: '2.4.0'};\n\tif(typeof __e == 'number')__e = core; // eslint-disable-line no-undef\n\n/***/ }),\n/* 62 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(exec){\n\t  try {\n\t    return !!exec();\n\t  } catch(e){\n\t    return true;\n\t  }\n\t};\n\n/***/ }),\n/* 63 */\n/***/ (function(module, exports) {\n\n\t// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\n\tvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n\t  ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();\n\tif(typeof __g == 'number')__g = global; // eslint-disable-line no-undef\n\n/***/ }),\n/* 64 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar anObject       = __webpack_require__(160)\n\t  , IE8_DOM_DEFINE = __webpack_require__(165)\n\t  , toPrimitive    = __webpack_require__(167)\n\t  , dP             = Object.defineProperty;\n\t\n\texports.f = __webpack_require__(19) ? Object.defineProperty : function defineProperty(O, P, Attributes){\n\t  anObject(O);\n\t  P = toPrimitive(P, true);\n\t  anObject(Attributes);\n\t  if(IE8_DOM_DEFINE)try {\n\t    return dP(O, P, Attributes);\n\t  } catch(e){ /* empty */ }\n\t  if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!');\n\t  if('value' in Attributes)O[P] = Attributes.value;\n\t  return O;\n\t};\n\n/***/ }),\n/* 65 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = \"<div class=oui-checkbox data-ng-class=\\\"{\\n    'oui-checkbox_big': $ctrl.big,\\n    'oui-checkbox_thumbnail': $ctrl.thumbnail\\n}\\\"> <input class=oui-checkbox__input type=checkbox id=\\\"{{:: $ctrl.name }}\\\" name=\\\"{{:: $ctrl.name }}\\\" data-ng-model=$ctrl.value data-ng-change=$ctrl.callOnChange($ctrl.value) data-ng-checked=$ctrl.checked data-ng-disabled=$ctrl.disabled> <label for=\\\"{{:: $ctrl.name }}\\\" class=oui-checkbox__label-container> <span class=oui-checkbox__label data-ng-transclude=label> <span data-ng-bind=$ctrl.label></span> </span> <span class=oui-checkbox__description data-ng-transclude=description data-ng-if=$ctrl.hasDescription> <span data-ng-bind=$ctrl.description></span> </span> <span class=oui-checkbox__icon> <i class=\\\"oui-icon oui-icon-checkbox-unchecked\\\" aria-hidden=true></i> <i class=\\\"oui-icon oui-icon-checkbox-checked\\\" aria-hidden=true></i> <i class=\\\"oui-icon oui-icon-checkbox-checkmark\\\" aria-hidden=true></i> </span> </label> </div> \";\n\n/***/ }),\n/* 66 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = \"<div data-ng-if=!$ctrl.dismissed data-ng-class=\\\"'oui-message oui-message_' + $ctrl.type\\\" role=alert> <i class=\\\"oui-icon oui-icon_bicolor\\\" data-ng-class=\\\"'oui-icon-' + $ctrl.type + '_circle'\\\" aria-hidden=true></i> <div class=oui-message__body data-ng-class=\\\"'oui-message__body_' + $ctrl.type\\\" ng-transclude> <span ng-bind=$ctrl.message></span> </div> <button data-ng-if=\\\"$ctrl.dismissable === true || ($ctrl.type !== 'error' && $ctrl.type !== 'warning')\\\" class=\\\"oui-icon oui-icon-close oui-message__close-button\\\" type=button data-ng-click=$ctrl.dismiss() aria-label=Close> </button> </div> \";\n\n/***/ }),\n/* 67 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = \"<div class=oui-radio data-ng-class=\\\"{\\n    'oui-radio_big': $ctrl.big,\\n    'oui-radio_thumbnail': $ctrl.thumbnail\\n}\\\"> <input class=oui-radio__input type=radio id=\\\"{{:: $ctrl.id }}\\\" value=\\\"{{:: $ctrl.value }}\\\" name=\\\"{{:: $ctrl.name }}\\\" data-ng-checked=$ctrl.checked data-ng-disabled=$ctrl.disabled> <label class=oui-radio__label-container for=\\\"{{:: $ctrl.id }}\\\"> <span class=oui-radio__label data-ng-transclude=label> <span data-ng-bind=$ctrl.label></span> </span> <span class=oui-radio__description data-ng-transclude=description data-ng-if=$ctrl.hasDescription> <span data-ng-bind=$ctrl.description></span> </span> </label> </div> \";\n\n/***/ }),\n/* 68 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\t__webpack_require__(71);\n\t\n\t__webpack_require__(38);\n\t\n\t__webpack_require__(77);\n\t\n\t__webpack_require__(72);\n\t\n\tangular.module('oui', ['oui.checkbox', 'oui.radio', 'oui.radio-group', 'oui.message']);\n\n/***/ }),\n/* 69 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _checkbox = __webpack_require__(65);\n\t\n\tvar _checkbox2 = _interopRequireDefault(_checkbox);\n\t\n\tvar _checkbox3 = __webpack_require__(70);\n\t\n\tvar _checkbox4 = _interopRequireDefault(_checkbox3);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = {\n\t  template: _checkbox2.default,\n\t  controller: _checkbox4.default,\n\t  bindings: {\n\t    label: '@?',\n\t    description: '@?',\n\t    name: '@?',\n\t    onChange: '&?',\n\t    checked: '<?',\n\t    disabled: '<?'\n\t  },\n\t  transclude: {\n\t    label: '?ouiCheckboxLabel',\n\t    description: '?ouiCheckboxDescription'\n\t  }\n\t};\n\n/***/ }),\n/* 70 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _classCallCheck2 = __webpack_require__(83);\n\t\n\tvar _classCallCheck3 = _interopRequireDefault(_classCallCheck2);\n\t\n\tvar _createClass2 = __webpack_require__(84);\n\t\n\tvar _createClass3 = _interopRequireDefault(_createClass2);\n\t\n\tvar _lodash = __webpack_require__(96);\n\t\n\tvar _lodash2 = _interopRequireDefault(_lodash);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar _class = function () {\n\t  _class.$inject = [\"$scope\", \"$attrs\", \"$transclude\"];\n\t  function _class($scope, $attrs, $transclude) {\n\t    'ngInject';\n\t\n\t    (0, _classCallCheck3.default)(this, _class);\n\t    this.$scope = $scope;\n\t    this.$attrs = $attrs;\n\t    this.$transclude = $transclude;\n\t\n\t    if (this.onChange) {\n\t      this.onChange = this.onChange.bind(this);\n\t    }\n\t  }\n\t\n\t  (0, _createClass3.default)(_class, [{\n\t    key: '$onInit',\n\t    value: function $onInit() {\n\t      if (_lodash2.default.has(this.$attrs, 'checked') && _lodash2.default.isEmpty(this.$attrs.checked)) {\n\t        this.checked = true;\n\t      }\n\t\n\t      if (_lodash2.default.has(this.$attrs, 'disabled') && _lodash2.default.isEmpty(this.$attrs.disabled)) {\n\t        this.disabled = true;\n\t      }\n\t\n\t      if (!self.name) {\n\t        this.name = 'oui-checked-' + this.$scope.$id;\n\t      }\n\t\n\t      if (_lodash2.default.has(this.$attrs, 'big')) {\n\t        this.big = true;\n\t      }\n\t\n\t      if (_lodash2.default.has(this.$attrs, 'thumbnail')) {\n\t        this.thumbnail = true;\n\t      }\n\t\n\t      this.hasDescription = Boolean(this.$transclude.isSlotFilled('description') || this.description);\n\t    }\n\t  }, {\n\t    key: 'callOnChange',\n\t    value: function callOnChange(value) {\n\t      if (this.onChange) {\n\t        this.onChange({\n\t          $event: {\n\t            value: value\n\t          }\n\t        });\n\t      }\n\t    }\n\t  }]);\n\t  return _class;\n\t}();\n\t\n\texports.default = _class;\n\n/***/ }),\n/* 71 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tvar _checkboxComponent = __webpack_require__(69);\n\t\n\tvar _checkboxComponent2 = _interopRequireDefault(_checkboxComponent);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tangular.module('oui.checkbox', []).component('ouiCheckbox', _checkboxComponent2.default);\n\n/***/ }),\n/* 72 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tvar _messageComponent = __webpack_require__(75);\n\t\n\tvar _messageComponent2 = _interopRequireDefault(_messageComponent);\n\t\n\tvar _messageDispatcher = __webpack_require__(73);\n\t\n\tvar _messageDispatcher2 = _interopRequireDefault(_messageDispatcher);\n\t\n\tvar _messageListener = __webpack_require__(74);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tangular.module('oui.message', []).component('ouiMessage', _messageComponent2.default).service('OuiMessageDispatcher', _messageDispatcher2.default).service('OuiMessageListenerFactory', _messageListener.OuiMessageListenerFactory);\n\n/***/ }),\n/* 73 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _classCallCheck2 = __webpack_require__(21);\n\t\n\tvar _classCallCheck3 = _interopRequireDefault(_classCallCheck2);\n\t\n\tvar _createClass2 = __webpack_require__(22);\n\t\n\tvar _createClass3 = _interopRequireDefault(_createClass2);\n\t\n\tvar _lodash = __webpack_require__(56);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar requiredListenerMethods = ['onMessage'];\n\t\n\tvar _class = function () {\n\t  function _class() {\n\t    'ngInject';\n\t\n\t    (0, _classCallCheck3.default)(this, _class);\n\t    this._listeners = [];\n\t  }\n\t\n\t  (0, _createClass3.default)(_class, [{\n\t    key: 'isValidListenerInterface',\n\t    value: function isValidListenerInterface(listener) {\n\t      return requiredListenerMethods.every(function (requiredListenerMethod) {\n\t        return !(0, _lodash.isUndefined)(listener[requiredListenerMethod]);\n\t      });\n\t    }\n\t  }, {\n\t    key: 'register',\n\t    value: function register(listener) {\n\t      if (!this.isValidListenerInterface(listener)) {\n\t        throw new Error('The registered object does not follow the expected interface.');\n\t      }\n\t\n\t      this._listeners.push(listener);\n\t    }\n\t  }, {\n\t    key: 'unregister',\n\t    value: function unregister(listener) {\n\t      this._listeners.splice(this._listeners.indexOf(listener), 1);\n\t    }\n\t  }, {\n\t    key: 'dispatch',\n\t    value: function dispatch(namespace, message) {\n\t      var filteredListeners = void 0;\n\t\n\t      if ((0, _lodash.isUndefined)(message)) {\n\t        message = namespace;\n\t        namespace = undefined;\n\t      }\n\t\n\t      if (!namespace) {\n\t        filteredListeners = this._listeners;\n\t      } else {\n\t        filteredListeners = this._listeners.filter(function (listener) {\n\t          return !listener.namespace || listener.namespace === namespace;\n\t        });\n\t      }\n\t\n\t      filteredListeners.forEach(function (listener) {\n\t        return listener.onMessage(message);\n\t      });\n\t    }\n\t  }]);\n\t  return _class;\n\t}();\n\n\texports.default = _class;\n\n/***/ }),\n/* 74 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\texports.OuiMessageListenerFactory = exports.OuiLastMessageListener = exports.OuiMessageListener = undefined;\n\t\n\tvar _getPrototypeOf = __webpack_require__(99);\n\t\n\tvar _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);\n\t\n\tvar _possibleConstructorReturn2 = __webpack_require__(104);\n\t\n\tvar _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);\n\t\n\tvar _inherits2 = __webpack_require__(103);\n\t\n\tvar _inherits3 = _interopRequireDefault(_inherits2);\n\t\n\tvar _classCallCheck2 = __webpack_require__(21);\n\t\n\tvar _classCallCheck3 = _interopRequireDefault(_classCallCheck2);\n\t\n\tvar _createClass2 = __webpack_require__(22);\n\t\n\tvar _createClass3 = _interopRequireDefault(_createClass2);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar OuiMessageListener = exports.OuiMessageListener = function () {\n\t  function OuiMessageListener(OuiMessageDispatcher, namespace) {\n\t    (0, _classCallCheck3.default)(this, OuiMessageListener);\n\t\n\t    this.OuiMessageDispatcher = OuiMessageDispatcher;\n\t    this.namespace = namespace;\n\t  }\n\t\n\t  (0, _createClass3.default)(OuiMessageListener, [{\n\t    key: 'unregister',\n\t    value: function unregister() {\n\t      this.OuiMessageDispatcher.unregister(this);\n\t    }\n\t  }]);\n\t  return OuiMessageListener;\n\t}();\n\t\n\tvar OuiLastMessageListener = exports.OuiLastMessageListener = function (_OuiMessageListener) {\n\t  (0, _inherits3.default)(OuiLastMessageListener, _OuiMessageListener);\n\t\n\t  function OuiLastMessageListener(OuiMessageDispatcher, namespace) {\n\t    (0, _classCallCheck3.default)(this, OuiLastMessageListener);\n\t\n\t    var _this = (0, _possibleConstructorReturn3.default)(this, (OuiLastMessageListener.__proto__ || (0, _getPrototypeOf2.default)(OuiLastMessageListener)).call(this, OuiMessageDispatcher, namespace));\n\t\n\t    _this.hasMessage = false;\n\t    _this.lastMessage = null;\n\t    return _this;\n\t  }\n\t\n\t  (0, _createClass3.default)(OuiLastMessageListener, [{\n\t    key: 'onMessage',\n\t    value: function onMessage(message) {\n\t      this.hasMessage = true;\n\t      this.lastMessage = message;\n\t    }\n\t  }]);\n\t  return OuiLastMessageListener;\n\t}(OuiMessageListener);\n\t\n\tvar OuiMessageListenerFactory = exports.OuiMessageListenerFactory = function () {\n\t  OuiMessageListenerFactory.$inject = [\"OuiMessageDispatcher\"];\n\t  function OuiMessageListenerFactory(OuiMessageDispatcher) {\n\t    'ngInject';\n\t\n\t    (0, _classCallCheck3.default)(this, OuiMessageListenerFactory);\n\t    this.OuiMessageDispatcher = OuiMessageDispatcher;\n\t  }\n\t\n\t  (0, _createClass3.default)(OuiMessageListenerFactory, [{\n\t    key: 'createLastMessageListener',\n\t    value: function createLastMessageListener(namespace) {\n\t      var listener = new OuiLastMessageListener(this.OuiMessageDispatcher, namespace);\n\t\n\t      this.OuiMessageDispatcher.register(listener);\n\t\n\t      return listener;\n\t    }\n\t  }]);\n\t  return OuiMessageListenerFactory;\n\t}();\n\n/***/ }),\n/* 75 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _message = __webpack_require__(66);\n\t\n\tvar _message2 = _interopRequireDefault(_message);\n\t\n\tvar _message3 = __webpack_require__(76);\n\t\n\tvar _message4 = _interopRequireDefault(_message3);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = {\n\t  template: _message2.default,\n\t  controller: _message4.default,\n\t  bindings: {\n\t    message: '@',\n\t    type: '@',\n\t    dismissable: '<',\n\t    dismissed: '<',\n\t    onDismiss: '&?'\n\t  },\n\t  transclude: true\n\t};\n\n/***/ }),\n/* 76 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _classCallCheck2 = __webpack_require__(21);\n\t\n\tvar _classCallCheck3 = _interopRequireDefault(_classCallCheck2);\n\t\n\tvar _createClass2 = __webpack_require__(22);\n\t\n\tvar _createClass3 = _interopRequireDefault(_createClass2);\n\t\n\tvar _lodash = __webpack_require__(56);\n\t\n\tvar _lodash2 = _interopRequireDefault(_lodash);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar _class = function () {\n\t  function _class() {\n\t    'ngInject';\n\t\n\t    (0, _classCallCheck3.default)(this, _class);\n\t  }\n\t\n\t  (0, _createClass3.default)(_class, [{\n\t    key: '$onInit',\n\t    value: function $onInit() {\n\t      this.dismissed = false;\n\t    }\n\t  }, {\n\t    key: 'dismiss',\n\t    value: function dismiss() {\n\t      if (!_lodash2.default.isFunction(this.onDismiss)) {\n\t        this.dismissed = true;\n\t      } else {\n\t        this.onDismiss();\n\t      }\n\t    }\n\t  }]);\n\t  return _class;\n\t}();\n\n\texports.default = _class;\n\n/***/ }),\n/* 77 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\t__webpack_require__(38);\n\t\n\tvar _radioGroupComponent = __webpack_require__(78);\n\t\n\tvar _radioGroupComponent2 = _interopRequireDefault(_radioGroupComponent);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tangular.module('oui.radio-group', ['oui.radio']).component('ouiRadioGroup', _radioGroupComponent2.default);\n\n/***/ }),\n/* 78 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _radioGroup = __webpack_require__(79);\n\t\n\tvar _radioGroup2 = _interopRequireDefault(_radioGroup);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = {\n\t  template: '<ng-transclude></ng-transclude>',\n\t  controller: _radioGroup2.default,\n\t  bindings: {\n\t    name: '@?',\n\t    value: '<?',\n\t    onChange: '&?'\n\t  },\n\t  transclude: true\n\t};\n\n/***/ }),\n/* 79 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _classCallCheck2 = __webpack_require__(141);\n\t\n\tvar _classCallCheck3 = _interopRequireDefault(_classCallCheck2);\n\t\n\tvar _createClass2 = __webpack_require__(142);\n\t\n\tvar _createClass3 = _interopRequireDefault(_createClass2);\n\t\n\tvar _lodash = __webpack_require__(154);\n\t\n\tvar _lodash2 = _interopRequireDefault(_lodash);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar _class = function () {\n\t  _class.$inject = [\"$scope\"];\n\t  function _class($scope) {\n\t    'ngInject';\n\t\n\t    (0, _classCallCheck3.default)(this, _class);\n\t    this.$scope = $scope;\n\t    this.radios = [];\n\t  }\n\t\n\t  (0, _createClass3.default)(_class, [{\n\t    key: '$onInit',\n\t    value: function $onInit() {\n\t      if (!this.name) {\n\t        this.name = 'oui-radio-group-' + this.$scope.$id;\n\t      }\n\t    }\n\t  }, {\n\t    key: '$onChanges',\n\t    value: function $onChanges(changes) {\n\t      if (_lodash2.default.has(changes, 'value')) {\n\t        _lodash2.default.forEach(this.radios, function (radio) {\n\t          radio.onGroupValueChange(changes.value.currentValue);\n\t        });\n\t      }\n\t    }\n\t  }, {\n\t    key: 'callOnChange',\n\t    value: function callOnChange(value) {\n\t      if (this.onChange) {\n\t        this.onChange({\n\t          $event: {\n\t            value: value\n\t          }\n\t        });\n\t      }\n\t    }\n\t  }]);\n\t  return _class;\n\t}();\n\t\n\texports.default = _class;\n\n/***/ }),\n/* 80 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _radio = __webpack_require__(67);\n\t\n\tvar _radio2 = _interopRequireDefault(_radio);\n\t\n\tvar _radio3 = __webpack_require__(81);\n\t\n\tvar _radio4 = _interopRequireDefault(_radio3);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = {\n\t  require: {\n\t    group: '?^ouiRadioGroup'\n\t  },\n\t  template: _radio2.default,\n\t  controller: _radio4.default,\n\t  bindings: {\n\t    label: '@?',\n\t    value: '@',\n\t    disabled: '<?',\n\t    checked: '<?'\n\t  },\n\t  transclude: {\n\t    label: '?ouiRadioLabel',\n\t    description: '?ouiRadioDescription'\n\t  }\n\t};\n\n/***/ }),\n/* 81 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _classCallCheck2 = __webpack_require__(156);\n\t\n\tvar _classCallCheck3 = _interopRequireDefault(_classCallCheck2);\n\t\n\tvar _createClass2 = __webpack_require__(157);\n\t\n\tvar _createClass3 = _interopRequireDefault(_createClass2);\n\t\n\tvar _lodash = __webpack_require__(169);\n\t\n\tvar _lodash2 = _interopRequireDefault(_lodash);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar INPUT_SELECTOR = 'input';\n\t\n\tvar _class = function () {\n\t  _class.$inject = [\"$scope\", \"$element\", \"$attrs\", \"$transclude\"];\n\t  function _class($scope, $element, $attrs, $transclude) {\n\t    'ngInject';\n\t\n\t    (0, _classCallCheck3.default)(this, _class);\n\t    this.$element = $element;\n\t    this.$scope = $scope;\n\t    this.$attrs = $attrs;\n\t    this.$transclude = $transclude;\n\t\n\t    if (this.onChange) {\n\t      this.onChange = this.onChange.bind(this);\n\t    }\n\t  }\n\t\n\t  (0, _createClass3.default)(_class, [{\n\t    key: 'registerEventsToParent',\n\t    value: function registerEventsToParent() {\n\t      var self = this;\n\t\n\t      this.onGroupValueChange(self.group.value);\n\t\n\t      this.$element.find(INPUT_SELECTOR).bind('change', function () {\n\t        var _this = this;\n\t\n\t        self.$scope.$apply(function () {\n\t          return self.group.callOnChange(_this.value);\n\t        });\n\t      });\n\t    }\n\t  }, {\n\t    key: '$onInit',\n\t    value: function $onInit() {\n\t      this.id = 'oui-radio-' + this.$scope.$id;\n\t\n\t      if (_lodash2.default.has(this.$attrs, 'checked') && _lodash2.default.isEmpty(this.$attrs.checked)) {\n\t        this.checked = true;\n\t      }\n\t\n\t      if (_lodash2.default.has(this.$attrs, 'disabled') && _lodash2.default.isEmpty(this.$attrs.disabled)) {\n\t        this.disabled = true;\n\t      }\n\t\n\t      if (this.group) {\n\t        this.name = this.group.name;\n\t        this.group.radios.push(this);\n\t\n\t        this.registerEventsToParent();\n\t      } else {\n\t        this.name = this.id;\n\t      }\n\t\n\t      if (_lodash2.default.has(this.$attrs, 'big')) {\n\t        this.big = true;\n\t      }\n\t\n\t      if (_lodash2.default.has(this.$attrs, 'thumbnail')) {\n\t        this.thumbnail = true;\n\t      }\n\t\n\t      this.hasDescription = Boolean(this.$transclude.isSlotFilled('description') || this.description);\n\t    }\n\t  }, {\n\t    key: '$onDestroy',\n\t    value: function $onDestroy() {\n\t      if (self.group) {\n\t        _lodash2.default.remove(this.group.radios, this);\n\t        this.$element.find(INPUT_SELECTOR).unbind('change');\n\t      }\n\t    }\n\t  }, {\n\t    key: '$onChanges',\n\t    value: function $onChanges(changes) {\n\t      if (_lodash2.default.has(changes, 'checked')) {\n\t        this.checked = changes.checked.currentValue;\n\t      }\n\t    }\n\t  }, {\n\t    key: 'onGroupValueChange',\n\t    value: function onGroupValueChange(value) {\n\t      this.checked = value === this.value;\n\t    }\n\t  }]);\n\t  return _class;\n\t}();\n\t\n\texports.default = _class;\n\n/***/ }),\n/* 82 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(85), __esModule: true };\n\n/***/ }),\n/* 83 */\n/***/ (function(module, exports) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\texports.default = function (instance, Constructor) {\n\t  if (!(instance instanceof Constructor)) {\n\t    throw new TypeError(\"Cannot call a class as a function\");\n\t  }\n\t};\n\n/***/ }),\n/* 84 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\tvar _defineProperty = __webpack_require__(82);\n\t\n\tvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = function () {\n\t  function defineProperties(target, props) {\n\t    for (var i = 0; i < props.length; i++) {\n\t      var descriptor = props[i];\n\t      descriptor.enumerable = descriptor.enumerable || false;\n\t      descriptor.configurable = true;\n\t      if (\"value\" in descriptor) descriptor.writable = true;\n\t      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n\t    }\n\t  }\n\t\n\t  return function (Constructor, protoProps, staticProps) {\n\t    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n\t    if (staticProps) defineProperties(Constructor, staticProps);\n\t    return Constructor;\n\t  };\n\t}();\n\n/***/ }),\n/* 85 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(95);\n\tvar $Object = __webpack_require__(39).Object;\n\tmodule.exports = function defineProperty(it, key, desc){\n\t  return $Object.defineProperty(it, key, desc);\n\t};\n\n/***/ }),\n/* 86 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(it){\n\t  if(typeof it != 'function')throw TypeError(it + ' is not a function!');\n\t  return it;\n\t};\n\n/***/ }),\n/* 87 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar isObject = __webpack_require__(20);\n\tmodule.exports = function(it){\n\t  if(!isObject(it))throw TypeError(it + ' is not an object!');\n\t  return it;\n\t};\n\n/***/ }),\n/* 88 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// optional / simple context binding\n\tvar aFunction = __webpack_require__(86);\n\tmodule.exports = function(fn, that, length){\n\t  aFunction(fn);\n\t  if(that === undefined)return fn;\n\t  switch(length){\n\t    case 1: return function(a){\n\t      return fn.call(that, a);\n\t    };\n\t    case 2: return function(a, b){\n\t      return fn.call(that, a, b);\n\t    };\n\t    case 3: return function(a, b, c){\n\t      return fn.call(that, a, b, c);\n\t    };\n\t  }\n\t  return function(/* ...args */){\n\t    return fn.apply(that, arguments);\n\t  };\n\t};\n\n/***/ }),\n/* 89 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar isObject = __webpack_require__(20)\n\t  , document = __webpack_require__(41).document\n\t  // in old IE typeof document.createElement is 'object'\n\t  , is = isObject(document) && isObject(document.createElement);\n\tmodule.exports = function(it){\n\t  return is ? document.createElement(it) : {};\n\t};\n\n/***/ }),\n/* 90 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar global    = __webpack_require__(41)\n\t  , core      = __webpack_require__(39)\n\t  , ctx       = __webpack_require__(88)\n\t  , hide      = __webpack_require__(91)\n\t  , PROTOTYPE = 'prototype';\n\t\n\tvar $export = function(type, name, source){\n\t  var IS_FORCED = type & $export.F\n\t    , IS_GLOBAL = type & $export.G\n\t    , IS_STATIC = type & $export.S\n\t    , IS_PROTO  = type & $export.P\n\t    , IS_BIND   = type & $export.B\n\t    , IS_WRAP   = type & $export.W\n\t    , exports   = IS_GLOBAL ? core : core[name] || (core[name] = {})\n\t    , expProto  = exports[PROTOTYPE]\n\t    , target    = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE]\n\t    , key, own, out;\n\t  if(IS_GLOBAL)source = name;\n\t  for(key in source){\n\t    // contains in native\n\t    own = !IS_FORCED && target && target[key] !== undefined;\n\t    if(own && key in exports)continue;\n\t    // export native or passed\n\t    out = own ? target[key] : source[key];\n\t    // prevent global pollution for namespaces\n\t    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n\t    // bind timers to global for call from export context\n\t    : IS_BIND && own ? ctx(out, global)\n\t    // wrap global constructors for prevent change them in library\n\t    : IS_WRAP && target[key] == out ? (function(C){\n\t      var F = function(a, b, c){\n\t        if(this instanceof C){\n\t          switch(arguments.length){\n\t            case 0: return new C;\n\t            case 1: return new C(a);\n\t            case 2: return new C(a, b);\n\t          } return new C(a, b, c);\n\t        } return C.apply(this, arguments);\n\t      };\n\t      F[PROTOTYPE] = C[PROTOTYPE];\n\t      return F;\n\t    // make static versions for prototype methods\n\t    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n\t    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n\t    if(IS_PROTO){\n\t      (exports.virtual || (exports.virtual = {}))[key] = out;\n\t      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n\t      if(type & $export.R && expProto && !expProto[key])hide(expProto, key, out);\n\t    }\n\t  }\n\t};\n\t// type bitmap\n\t$export.F = 1;   // forced\n\t$export.G = 2;   // global\n\t$export.S = 4;   // static\n\t$export.P = 8;   // proto\n\t$export.B = 16;  // bind\n\t$export.W = 32;  // wrap\n\t$export.U = 64;  // safe\n\t$export.R = 128; // real proto method for `library` \n\tmodule.exports = $export;\n\n/***/ }),\n/* 91 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar dP         = __webpack_require__(42)\n\t  , createDesc = __webpack_require__(93);\n\tmodule.exports = __webpack_require__(14) ? function(object, key, value){\n\t  return dP.f(object, key, createDesc(1, value));\n\t} : function(object, key, value){\n\t  object[key] = value;\n\t  return object;\n\t};\n\n/***/ }),\n/* 92 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = !__webpack_require__(14) && !__webpack_require__(40)(function(){\n\t  return Object.defineProperty(__webpack_require__(89)('div'), 'a', {get: function(){ return 7; }}).a != 7;\n\t});\n\n/***/ }),\n/* 93 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(bitmap, value){\n\t  return {\n\t    enumerable  : !(bitmap & 1),\n\t    configurable: !(bitmap & 2),\n\t    writable    : !(bitmap & 4),\n\t    value       : value\n\t  };\n\t};\n\n/***/ }),\n/* 94 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 7.1.1 ToPrimitive(input [, PreferredType])\n\tvar isObject = __webpack_require__(20);\n\t// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n\t// and the second argument - flag - preferred type is a string\n\tmodule.exports = function(it, S){\n\t  if(!isObject(it))return it;\n\t  var fn, val;\n\t  if(S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n\t  if(typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it)))return val;\n\t  if(!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n\t  throw TypeError(\"Can't convert object to primitive value\");\n\t};\n\n/***/ }),\n/* 95 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar $export = __webpack_require__(90);\n\t// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n\t$export($export.S + $export.F * !__webpack_require__(14), 'Object', {defineProperty: __webpack_require__(42).f});\n\n/***/ }),\n/* 96 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(global, module) {/**\n\t * @license\n\t * Lodash <https://lodash.com/>\n\t * Copyright JS Foundation and other contributors <https://js.foundation/>\n\t * Released under MIT license <https://lodash.com/license>\n\t * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n\t * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n\t */\n\t;(function() {\n\t\n\t  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n\t  var undefined;\n\t\n\t  /** Used as the semantic version number. */\n\t  var VERSION = '4.17.4';\n\t\n\t  /** Used as the size to enable large array optimizations. */\n\t  var LARGE_ARRAY_SIZE = 200;\n\t\n\t  /** Error message constants. */\n\t  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n\t      FUNC_ERROR_TEXT = 'Expected a function';\n\t\n\t  /** Used to stand-in for `undefined` hash values. */\n\t  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\t\n\t  /** Used as the maximum memoize cache size. */\n\t  var MAX_MEMOIZE_SIZE = 500;\n\t\n\t  /** Used as the internal argument placeholder. */\n\t  var PLACEHOLDER = '__lodash_placeholder__';\n\t\n\t  /** Used to compose bitmasks for cloning. */\n\t  var CLONE_DEEP_FLAG = 1,\n\t      CLONE_FLAT_FLAG = 2,\n\t      CLONE_SYMBOLS_FLAG = 4;\n\t\n\t  /** Used to compose bitmasks for value comparisons. */\n\t  var COMPARE_PARTIAL_FLAG = 1,\n\t      COMPARE_UNORDERED_FLAG = 2;\n\t\n\t  /** Used to compose bitmasks for function metadata. */\n\t  var WRAP_BIND_FLAG = 1,\n\t      WRAP_BIND_KEY_FLAG = 2,\n\t      WRAP_CURRY_BOUND_FLAG = 4,\n\t      WRAP_CURRY_FLAG = 8,\n\t      WRAP_CURRY_RIGHT_FLAG = 16,\n\t      WRAP_PARTIAL_FLAG = 32,\n\t      WRAP_PARTIAL_RIGHT_FLAG = 64,\n\t      WRAP_ARY_FLAG = 128,\n\t      WRAP_REARG_FLAG = 256,\n\t      WRAP_FLIP_FLAG = 512;\n\t\n\t  /** Used as default options for `_.truncate`. */\n\t  var DEFAULT_TRUNC_LENGTH = 30,\n\t      DEFAULT_TRUNC_OMISSION = '...';\n\t\n\t  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n\t  var HOT_COUNT = 800,\n\t      HOT_SPAN = 16;\n\t\n\t  /** Used to indicate the type of lazy iteratees. */\n\t  var LAZY_FILTER_FLAG = 1,\n\t      LAZY_MAP_FLAG = 2,\n\t      LAZY_WHILE_FLAG = 3;\n\t\n\t  /** Used as references for various `Number` constants. */\n\t  var INFINITY = 1 / 0,\n\t      MAX_SAFE_INTEGER = 9007199254740991,\n\t      MAX_INTEGER = 1.7976931348623157e+308,\n\t      NAN = 0 / 0;\n\t\n\t  /** Used as references for the maximum length and index of an array. */\n\t  var MAX_ARRAY_LENGTH = 4294967295,\n\t      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n\t      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\t\n\t  /** Used to associate wrap methods with their bit flags. */\n\t  var wrapFlags = [\n\t    ['ary', WRAP_ARY_FLAG],\n\t    ['bind', WRAP_BIND_FLAG],\n\t    ['bindKey', WRAP_BIND_KEY_FLAG],\n\t    ['curry', WRAP_CURRY_FLAG],\n\t    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n\t    ['flip', WRAP_FLIP_FLAG],\n\t    ['partial', WRAP_PARTIAL_FLAG],\n\t    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n\t    ['rearg', WRAP_REARG_FLAG]\n\t  ];\n\t\n\t  /** `Object#toString` result references. */\n\t  var argsTag = '[object Arguments]',\n\t      arrayTag = '[object Array]',\n\t      asyncTag = '[object AsyncFunction]',\n\t      boolTag = '[object Boolean]',\n\t      dateTag = '[object Date]',\n\t      domExcTag = '[object DOMException]',\n\t      errorTag = '[object Error]',\n\t      funcTag = '[object Function]',\n\t      genTag = '[object GeneratorFunction]',\n\t      mapTag = '[object Map]',\n\t      numberTag = '[object Number]',\n\t      nullTag = '[object Null]',\n\t      objectTag = '[object Object]',\n\t      promiseTag = '[object Promise]',\n\t      proxyTag = '[object Proxy]',\n\t      regexpTag = '[object RegExp]',\n\t      setTag = '[object Set]',\n\t      stringTag = '[object String]',\n\t      symbolTag = '[object Symbol]',\n\t      undefinedTag = '[object Undefined]',\n\t      weakMapTag = '[object WeakMap]',\n\t      weakSetTag = '[object WeakSet]';\n\t\n\t  var arrayBufferTag = '[object ArrayBuffer]',\n\t      dataViewTag = '[object DataView]',\n\t      float32Tag = '[object Float32Array]',\n\t      float64Tag = '[object Float64Array]',\n\t      int8Tag = '[object Int8Array]',\n\t      int16Tag = '[object Int16Array]',\n\t      int32Tag = '[object Int32Array]',\n\t      uint8Tag = '[object Uint8Array]',\n\t      uint8ClampedTag = '[object Uint8ClampedArray]',\n\t      uint16Tag = '[object Uint16Array]',\n\t      uint32Tag = '[object Uint32Array]';\n\t\n\t  /** Used to match empty string literals in compiled template source. */\n\t  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n\t      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n\t      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\t\n\t  /** Used to match HTML entities and HTML characters. */\n\t  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n\t      reUnescapedHtml = /[&<>\"']/g,\n\t      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n\t      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\t\n\t  /** Used to match template delimiters. */\n\t  var reEscape = /<%-([\\s\\S]+?)%>/g,\n\t      reEvaluate = /<%([\\s\\S]+?)%>/g,\n\t      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\t\n\t  /** Used to match property names within property paths. */\n\t  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n\t      reIsPlainProp = /^\\w*$/,\n\t      reLeadingDot = /^\\./,\n\t      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\t\n\t  /**\n\t   * Used to match `RegExp`\n\t   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n\t   */\n\t  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n\t      reHasRegExpChar = RegExp(reRegExpChar.source);\n\t\n\t  /** Used to match leading and trailing whitespace. */\n\t  var reTrim = /^\\s+|\\s+$/g,\n\t      reTrimStart = /^\\s+/,\n\t      reTrimEnd = /\\s+$/;\n\t\n\t  /** Used to match wrap detail comments. */\n\t  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n\t      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n\t      reSplitDetails = /,? & /;\n\t\n\t  /** Used to match words composed of alphanumeric characters. */\n\t  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\t\n\t  /** Used to match backslashes in property paths. */\n\t  var reEscapeChar = /\\\\(\\\\)?/g;\n\t\n\t  /**\n\t   * Used to match\n\t   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n\t   */\n\t  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\t\n\t  /** Used to match `RegExp` flags from their coerced string values. */\n\t  var reFlags = /\\w*$/;\n\t\n\t  /** Used to detect bad signed hexadecimal string values. */\n\t  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\t\n\t  /** Used to detect binary string values. */\n\t  var reIsBinary = /^0b[01]+$/i;\n\t\n\t  /** Used to detect host constructors (Safari). */\n\t  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\t\n\t  /** Used to detect octal string values. */\n\t  var reIsOctal = /^0o[0-7]+$/i;\n\t\n\t  /** Used to detect unsigned integer values. */\n\t  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\t\n\t  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n\t  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\t\n\t  /** Used to ensure capturing order of template delimiters. */\n\t  var reNoMatch = /($^)/;\n\t\n\t  /** Used to match unescaped characters in compiled string literals. */\n\t  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\t\n\t  /** Used to compose unicode character classes. */\n\t  var rsAstralRange = '\\\\ud800-\\\\udfff',\n\t      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n\t      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n\t      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n\t      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n\t      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n\t      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n\t      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n\t      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n\t      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n\t      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n\t      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n\t      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n\t      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\t\n\t  /** Used to compose unicode capture groups. */\n\t  var rsApos = \"['\\u2019]\",\n\t      rsAstral = '[' + rsAstralRange + ']',\n\t      rsBreak = '[' + rsBreakRange + ']',\n\t      rsCombo = '[' + rsComboRange + ']',\n\t      rsDigits = '\\\\d+',\n\t      rsDingbat = '[' + rsDingbatRange + ']',\n\t      rsLower = '[' + rsLowerRange + ']',\n\t      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n\t      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n\t      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n\t      rsNonAstral = '[^' + rsAstralRange + ']',\n\t      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n\t      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n\t      rsUpper = '[' + rsUpperRange + ']',\n\t      rsZWJ = '\\\\u200d';\n\t\n\t  /** Used to compose unicode regexes. */\n\t  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n\t      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n\t      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n\t      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n\t      reOptMod = rsModifier + '?',\n\t      rsOptVar = '[' + rsVarRange + ']?',\n\t      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n\t      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n\t      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n\t      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n\t      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n\t      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\t\n\t  /** Used to match apostrophes. */\n\t  var reApos = RegExp(rsApos, 'g');\n\t\n\t  /**\n\t   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n\t   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n\t   */\n\t  var reComboMark = RegExp(rsCombo, 'g');\n\t\n\t  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n\t  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\t\n\t  /** Used to match complex or compound words. */\n\t  var reUnicodeWord = RegExp([\n\t    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n\t    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n\t    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n\t    rsUpper + '+' + rsOptContrUpper,\n\t    rsOrdUpper,\n\t    rsOrdLower,\n\t    rsDigits,\n\t    rsEmoji\n\t  ].join('|'), 'g');\n\t\n\t  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n\t  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\t\n\t  /** Used to detect strings that need a more robust regexp to match words. */\n\t  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\t\n\t  /** Used to assign default `context` object properties. */\n\t  var contextProps = [\n\t    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n\t    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n\t    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n\t    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n\t    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n\t  ];\n\t\n\t  /** Used to make template sourceURLs easier to identify. */\n\t  var templateCounter = -1;\n\t\n\t  /** Used to identify `toStringTag` values of typed arrays. */\n\t  var typedArrayTags = {};\n\t  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n\t  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n\t  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n\t  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n\t  typedArrayTags[uint32Tag] = true;\n\t  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n\t  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n\t  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n\t  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n\t  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n\t  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n\t  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n\t  typedArrayTags[weakMapTag] = false;\n\t\n\t  /** Used to identify `toStringTag` values supported by `_.clone`. */\n\t  var cloneableTags = {};\n\t  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n\t  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n\t  cloneableTags[boolTag] = cloneableTags[dateTag] =\n\t  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n\t  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n\t  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n\t  cloneableTags[numberTag] = cloneableTags[objectTag] =\n\t  cloneableTags[regexpTag] = cloneableTags[setTag] =\n\t  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n\t  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n\t  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n\t  cloneableTags[errorTag] = cloneableTags[funcTag] =\n\t  cloneableTags[weakMapTag] = false;\n\t\n\t  /** Used to map Latin Unicode letters to basic Latin letters. */\n\t  var deburredLetters = {\n\t    // Latin-1 Supplement block.\n\t    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n\t    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n\t    '\\xc7': 'C',  '\\xe7': 'c',\n\t    '\\xd0': 'D',  '\\xf0': 'd',\n\t    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n\t    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n\t    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n\t    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n\t    '\\xd1': 'N',  '\\xf1': 'n',\n\t    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n\t    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n\t    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n\t    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n\t    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n\t    '\\xc6': 'Ae', '\\xe6': 'ae',\n\t    '\\xde': 'Th', '\\xfe': 'th',\n\t    '\\xdf': 'ss',\n\t    // Latin Extended-A block.\n\t    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n\t    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n\t    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n\t    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n\t    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n\t    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n\t    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n\t    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n\t    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n\t    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n\t    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n\t    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n\t    '\\u0134': 'J',  '\\u0135': 'j',\n\t    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n\t    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n\t    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n\t    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n\t    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n\t    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n\t    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n\t    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n\t    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n\t    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n\t    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n\t    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n\t    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n\t    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n\t    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n\t    '\\u0174': 'W',  '\\u0175': 'w',\n\t    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n\t    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n\t    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n\t    '\\u0132': 'IJ', '\\u0133': 'ij',\n\t    '\\u0152': 'Oe', '\\u0153': 'oe',\n\t    '\\u0149': \"'n\", '\\u017f': 's'\n\t  };\n\t\n\t  /** Used to map characters to HTML entities. */\n\t  var htmlEscapes = {\n\t    '&': '&amp;',\n\t    '<': '&lt;',\n\t    '>': '&gt;',\n\t    '\"': '&quot;',\n\t    \"'\": '&#39;'\n\t  };\n\t\n\t  /** Used to map HTML entities to characters. */\n\t  var htmlUnescapes = {\n\t    '&amp;': '&',\n\t    '&lt;': '<',\n\t    '&gt;': '>',\n\t    '&quot;': '\"',\n\t    '&#39;': \"'\"\n\t  };\n\t\n\t  /** Used to escape characters for inclusion in compiled string literals. */\n\t  var stringEscapes = {\n\t    '\\\\': '\\\\',\n\t    \"'\": \"'\",\n\t    '\\n': 'n',\n\t    '\\r': 'r',\n\t    '\\u2028': 'u2028',\n\t    '\\u2029': 'u2029'\n\t  };\n\t\n\t  /** Built-in method references without a dependency on `root`. */\n\t  var freeParseFloat = parseFloat,\n\t      freeParseInt = parseInt;\n\t\n\t  /** Detect free variable `global` from Node.js. */\n\t  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\t\n\t  /** Detect free variable `self`. */\n\t  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\t\n\t  /** Used as a reference to the global object. */\n\t  var root = freeGlobal || freeSelf || Function('return this')();\n\t\n\t  /** Detect free variable `exports`. */\n\t  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\t\n\t  /** Detect free variable `module`. */\n\t  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\t\n\t  /** Detect the popular CommonJS extension `module.exports`. */\n\t  var moduleExports = freeModule && freeModule.exports === freeExports;\n\t\n\t  /** Detect free variable `process` from Node.js. */\n\t  var freeProcess = moduleExports && freeGlobal.process;\n\t\n\t  /** Used to access faster Node.js helpers. */\n\t  var nodeUtil = (function() {\n\t    try {\n\t      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n\t    } catch (e) {}\n\t  }());\n\t\n\t  /* Node.js helper references. */\n\t  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n\t      nodeIsDate = nodeUtil && nodeUtil.isDate,\n\t      nodeIsMap = nodeUtil && nodeUtil.isMap,\n\t      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n\t      nodeIsSet = nodeUtil && nodeUtil.isSet,\n\t      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  /**\n\t   * Adds the key-value `pair` to `map`.\n\t   *\n\t   * @private\n\t   * @param {Object} map The map to modify.\n\t   * @param {Array} pair The key-value pair to add.\n\t   * @returns {Object} Returns `map`.\n\t   */\n\t  function addMapEntry(map, pair) {\n\t    // Don't return `map.set` because it's not chainable in IE 11.\n\t    map.set(pair[0], pair[1]);\n\t    return map;\n\t  }\n\t\n\t  /**\n\t   * Adds `value` to `set`.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to modify.\n\t   * @param {*} value The value to add.\n\t   * @returns {Object} Returns `set`.\n\t   */\n\t  function addSetEntry(set, value) {\n\t    // Don't return `set.add` because it's not chainable in IE 11.\n\t    set.add(value);\n\t    return set;\n\t  }\n\t\n\t  /**\n\t   * A faster alternative to `Function#apply`, this function invokes `func`\n\t   * with the `this` binding of `thisArg` and the arguments of `args`.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to invoke.\n\t   * @param {*} thisArg The `this` binding of `func`.\n\t   * @param {Array} args The arguments to invoke `func` with.\n\t   * @returns {*} Returns the result of `func`.\n\t   */\n\t  function apply(func, thisArg, args) {\n\t    switch (args.length) {\n\t      case 0: return func.call(thisArg);\n\t      case 1: return func.call(thisArg, args[0]);\n\t      case 2: return func.call(thisArg, args[0], args[1]);\n\t      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n\t    }\n\t    return func.apply(thisArg, args);\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `baseAggregator` for arrays.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} setter The function to set `accumulator` values.\n\t   * @param {Function} iteratee The iteratee to transform keys.\n\t   * @param {Object} accumulator The initial aggregated object.\n\t   * @returns {Function} Returns `accumulator`.\n\t   */\n\t  function arrayAggregator(array, setter, iteratee, accumulator) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      setter(accumulator, value, iteratee(value), array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.forEach` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayEach(array, iteratee) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (iteratee(array[index], index, array) === false) {\n\t        break;\n\t      }\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.forEachRight` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayEachRight(array, iteratee) {\n\t    var length = array == null ? 0 : array.length;\n\t\n\t    while (length--) {\n\t      if (iteratee(array[length], length, array) === false) {\n\t        break;\n\t      }\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.every` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t   *  else `false`.\n\t   */\n\t  function arrayEvery(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (!predicate(array[index], index, array)) {\n\t        return false;\n\t      }\n\t    }\n\t    return true;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.filter` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {Array} Returns the new filtered array.\n\t   */\n\t  function arrayFilter(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length,\n\t        resIndex = 0,\n\t        result = [];\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      if (predicate(value, index, array)) {\n\t        result[resIndex++] = value;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.includes` for arrays without support for\n\t   * specifying an index to search from.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to inspect.\n\t   * @param {*} target The value to search for.\n\t   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n\t   */\n\t  function arrayIncludes(array, value) {\n\t    var length = array == null ? 0 : array.length;\n\t    return !!length && baseIndexOf(array, value, 0) > -1;\n\t  }\n\t\n\t  /**\n\t   * This function is like `arrayIncludes` except that it accepts a comparator.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to inspect.\n\t   * @param {*} target The value to search for.\n\t   * @param {Function} comparator The comparator invoked per element.\n\t   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n\t   */\n\t  function arrayIncludesWith(array, value, comparator) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (comparator(value, array[index])) {\n\t        return true;\n\t      }\n\t    }\n\t    return false;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.map` for arrays without support for iteratee\n\t   * shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns the new mapped array.\n\t   */\n\t  function arrayMap(array, iteratee) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length,\n\t        result = Array(length);\n\t\n\t    while (++index < length) {\n\t      result[index] = iteratee(array[index], index, array);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Appends the elements of `values` to `array`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to modify.\n\t   * @param {Array} values The values to append.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayPush(array, values) {\n\t    var index = -1,\n\t        length = values.length,\n\t        offset = array.length;\n\t\n\t    while (++index < length) {\n\t      array[offset + index] = values[index];\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.reduce` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} [accumulator] The initial value.\n\t   * @param {boolean} [initAccum] Specify using the first element of `array` as\n\t   *  the initial value.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function arrayReduce(array, iteratee, accumulator, initAccum) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    if (initAccum && length) {\n\t      accumulator = array[++index];\n\t    }\n\t    while (++index < length) {\n\t      accumulator = iteratee(accumulator, array[index], index, array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.reduceRight` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} [accumulator] The initial value.\n\t   * @param {boolean} [initAccum] Specify using the last element of `array` as\n\t   *  the initial value.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n\t    var length = array == null ? 0 : array.length;\n\t    if (initAccum && length) {\n\t      accumulator = array[--length];\n\t    }\n\t    while (length--) {\n\t      accumulator = iteratee(accumulator, array[length], length, array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.some` for arrays without support for iteratee\n\t   * shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t   *  else `false`.\n\t   */\n\t  function arraySome(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (predicate(array[index], index, array)) {\n\t        return true;\n\t      }\n\t    }\n\t    return false;\n\t  }\n\t\n\t  /**\n\t   * Gets the size of an ASCII `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  var asciiSize = baseProperty('length');\n\t\n\t  /**\n\t   * Converts an ASCII `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function asciiToArray(string) {\n\t    return string.split('');\n\t  }\n\t\n\t  /**\n\t   * Splits an ASCII `string` into an array of its words.\n\t   *\n\t   * @private\n\t   * @param {string} The string to inspect.\n\t   * @returns {Array} Returns the words of `string`.\n\t   */\n\t  function asciiWords(string) {\n\t    return string.match(reAsciiWord) || [];\n\t  }\n\t\n\t  /**\n\t   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n\t   * without support for iteratee shorthands, which iterates over `collection`\n\t   * using `eachFunc`.\n\t   *\n\t   * @private\n\t   * @param {Array|Object} collection The collection to inspect.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @param {Function} eachFunc The function to iterate over `collection`.\n\t   * @returns {*} Returns the found element or its key, else `undefined`.\n\t   */\n\t  function baseFindKey(collection, predicate, eachFunc) {\n\t    var result;\n\t    eachFunc(collection, function(value, key, collection) {\n\t      if (predicate(value, key, collection)) {\n\t        result = key;\n\t        return false;\n\t      }\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n\t   * support for iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @param {boolean} [fromRight] Specify iterating from right to left.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n\t    var length = array.length,\n\t        index = fromIndex + (fromRight ? 1 : -1);\n\t\n\t    while ((fromRight ? index-- : ++index < length)) {\n\t      if (predicate(array[index], index, array)) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseIndexOf(array, value, fromIndex) {\n\t    return value === value\n\t      ? strictIndexOf(array, value, fromIndex)\n\t      : baseFindIndex(array, baseIsNaN, fromIndex);\n\t  }\n\t\n\t  /**\n\t   * This function is like `baseIndexOf` except that it accepts a comparator.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @param {Function} comparator The comparator invoked per element.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseIndexOfWith(array, value, fromIndex, comparator) {\n\t    var index = fromIndex - 1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      if (comparator(array[index], value)) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.isNaN` without support for number objects.\n\t   *\n\t   * @private\n\t   * @param {*} value The value to check.\n\t   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t   */\n\t  function baseIsNaN(value) {\n\t    return value !== value;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.mean` and `_.meanBy` without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {number} Returns the mean.\n\t   */\n\t  function baseMean(array, iteratee) {\n\t    var length = array == null ? 0 : array.length;\n\t    return length ? (baseSum(array, iteratee) / length) : NAN;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.property` without support for deep paths.\n\t   *\n\t   * @private\n\t   * @param {string} key The key of the property to get.\n\t   * @returns {Function} Returns the new accessor function.\n\t   */\n\t  function baseProperty(key) {\n\t    return function(object) {\n\t      return object == null ? undefined : object[key];\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.propertyOf` without support for deep paths.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @returns {Function} Returns the new accessor function.\n\t   */\n\t  function basePropertyOf(object) {\n\t    return function(key) {\n\t      return object == null ? undefined : object[key];\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n\t   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n\t   *\n\t   * @private\n\t   * @param {Array|Object} collection The collection to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} accumulator The initial value.\n\t   * @param {boolean} initAccum Specify using the first or last element of\n\t   *  `collection` as the initial value.\n\t   * @param {Function} eachFunc The function to iterate over `collection`.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n\t    eachFunc(collection, function(value, index, collection) {\n\t      accumulator = initAccum\n\t        ? (initAccum = false, value)\n\t        : iteratee(accumulator, value, index, collection);\n\t    });\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.sortBy` which uses `comparer` to define the\n\t   * sort order of `array` and replaces criteria objects with their corresponding\n\t   * values.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to sort.\n\t   * @param {Function} comparer The function to define sort order.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function baseSortBy(array, comparer) {\n\t    var length = array.length;\n\t\n\t    array.sort(comparer);\n\t    while (length--) {\n\t      array[length] = array[length].value;\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.sum` and `_.sumBy` without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {number} Returns the sum.\n\t   */\n\t  function baseSum(array, iteratee) {\n\t    var result,\n\t        index = -1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      var current = iteratee(array[index]);\n\t      if (current !== undefined) {\n\t        result = result === undefined ? current : (result + current);\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.times` without support for iteratee shorthands\n\t   * or max array length checks.\n\t   *\n\t   * @private\n\t   * @param {number} n The number of times to invoke `iteratee`.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns the array of results.\n\t   */\n\t  function baseTimes(n, iteratee) {\n\t    var index = -1,\n\t        result = Array(n);\n\t\n\t    while (++index < n) {\n\t      result[index] = iteratee(index);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n\t   * of key-value pairs for `object` corresponding to the property names of `props`.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @param {Array} props The property names to get values for.\n\t   * @returns {Object} Returns the key-value pairs.\n\t   */\n\t  function baseToPairs(object, props) {\n\t    return arrayMap(props, function(key) {\n\t      return [key, object[key]];\n\t    });\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.unary` without support for storing metadata.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to cap arguments for.\n\t   * @returns {Function} Returns the new capped function.\n\t   */\n\t  function baseUnary(func) {\n\t    return function(value) {\n\t      return func(value);\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.values` and `_.valuesIn` which creates an\n\t   * array of `object` property values corresponding to the property names\n\t   * of `props`.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @param {Array} props The property names to get values for.\n\t   * @returns {Object} Returns the array of property values.\n\t   */\n\t  function baseValues(object, props) {\n\t    return arrayMap(props, function(key) {\n\t      return object[key];\n\t    });\n\t  }\n\t\n\t  /**\n\t   * Checks if a `cache` value for `key` exists.\n\t   *\n\t   * @private\n\t   * @param {Object} cache The cache to query.\n\t   * @param {string} key The key of the entry to check.\n\t   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t   */\n\t  function cacheHas(cache, key) {\n\t    return cache.has(key);\n\t  }\n\t\n\t  /**\n\t   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n\t   * that is not found in the character symbols.\n\t   *\n\t   * @private\n\t   * @param {Array} strSymbols The string symbols to inspect.\n\t   * @param {Array} chrSymbols The character symbols to find.\n\t   * @returns {number} Returns the index of the first unmatched string symbol.\n\t   */\n\t  function charsStartIndex(strSymbols, chrSymbols) {\n\t    var index = -1,\n\t        length = strSymbols.length;\n\t\n\t    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n\t   * that is not found in the character symbols.\n\t   *\n\t   * @private\n\t   * @param {Array} strSymbols The string symbols to inspect.\n\t   * @param {Array} chrSymbols The character symbols to find.\n\t   * @returns {number} Returns the index of the last unmatched string symbol.\n\t   */\n\t  function charsEndIndex(strSymbols, chrSymbols) {\n\t    var index = strSymbols.length;\n\t\n\t    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Gets the number of `placeholder` occurrences in `array`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} placeholder The placeholder to search for.\n\t   * @returns {number} Returns the placeholder count.\n\t   */\n\t  function countHolders(array, placeholder) {\n\t    var length = array.length,\n\t        result = 0;\n\t\n\t    while (length--) {\n\t      if (array[length] === placeholder) {\n\t        ++result;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n\t   * letters to basic Latin letters.\n\t   *\n\t   * @private\n\t   * @param {string} letter The matched letter to deburr.\n\t   * @returns {string} Returns the deburred letter.\n\t   */\n\t  var deburrLetter = basePropertyOf(deburredLetters);\n\t\n\t  /**\n\t   * Used by `_.escape` to convert characters to HTML entities.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to escape.\n\t   * @returns {string} Returns the escaped character.\n\t   */\n\t  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\t\n\t  /**\n\t   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to escape.\n\t   * @returns {string} Returns the escaped character.\n\t   */\n\t  function escapeStringChar(chr) {\n\t    return '\\\\' + stringEscapes[chr];\n\t  }\n\t\n\t  /**\n\t   * Gets the value at `key` of `object`.\n\t   *\n\t   * @private\n\t   * @param {Object} [object] The object to query.\n\t   * @param {string} key The key of the property to get.\n\t   * @returns {*} Returns the property value.\n\t   */\n\t  function getValue(object, key) {\n\t    return object == null ? undefined : object[key];\n\t  }\n\t\n\t  /**\n\t   * Checks if `string` contains Unicode symbols.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n\t   */\n\t  function hasUnicode(string) {\n\t    return reHasUnicode.test(string);\n\t  }\n\t\n\t  /**\n\t   * Checks if `string` contains a word composed of Unicode symbols.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {boolean} Returns `true` if a word is found, else `false`.\n\t   */\n\t  function hasUnicodeWord(string) {\n\t    return reHasUnicodeWord.test(string);\n\t  }\n\t\n\t  /**\n\t   * Converts `iterator` to an array.\n\t   *\n\t   * @private\n\t   * @param {Object} iterator The iterator to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function iteratorToArray(iterator) {\n\t    var data,\n\t        result = [];\n\t\n\t    while (!(data = iterator.next()).done) {\n\t      result.push(data.value);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `map` to its key-value pairs.\n\t   *\n\t   * @private\n\t   * @param {Object} map The map to convert.\n\t   * @returns {Array} Returns the key-value pairs.\n\t   */\n\t  function mapToArray(map) {\n\t    var index = -1,\n\t        result = Array(map.size);\n\t\n\t    map.forEach(function(value, key) {\n\t      result[++index] = [key, value];\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Creates a unary function that invokes `func` with its argument transformed.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to wrap.\n\t   * @param {Function} transform The argument transform.\n\t   * @returns {Function} Returns the new function.\n\t   */\n\t  function overArg(func, transform) {\n\t    return function(arg) {\n\t      return func(transform(arg));\n\t    };\n\t  }\n\t\n\t  /**\n\t   * Replaces all `placeholder` elements in `array` with an internal placeholder\n\t   * and returns an array of their indexes.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to modify.\n\t   * @param {*} placeholder The placeholder to replace.\n\t   * @returns {Array} Returns the new array of placeholder indexes.\n\t   */\n\t  function replaceHolders(array, placeholder) {\n\t    var index = -1,\n\t        length = array.length,\n\t        resIndex = 0,\n\t        result = [];\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      if (value === placeholder || value === PLACEHOLDER) {\n\t        array[index] = PLACEHOLDER;\n\t        result[resIndex++] = index;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `set` to an array of its values.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to convert.\n\t   * @returns {Array} Returns the values.\n\t   */\n\t  function setToArray(set) {\n\t    var index = -1,\n\t        result = Array(set.size);\n\t\n\t    set.forEach(function(value) {\n\t      result[++index] = value;\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `set` to its value-value pairs.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to convert.\n\t   * @returns {Array} Returns the value-value pairs.\n\t   */\n\t  function setToPairs(set) {\n\t    var index = -1,\n\t        result = Array(set.size);\n\t\n\t    set.forEach(function(value) {\n\t      result[++index] = [value, value];\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.indexOf` which performs strict equality\n\t   * comparisons of values, i.e. `===`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function strictIndexOf(array, value, fromIndex) {\n\t    var index = fromIndex - 1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      if (array[index] === value) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.lastIndexOf` which performs strict equality\n\t   * comparisons of values, i.e. `===`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function strictLastIndexOf(array, value, fromIndex) {\n\t    var index = fromIndex + 1;\n\t    while (index--) {\n\t      if (array[index] === value) {\n\t        return index;\n\t      }\n\t    }\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Gets the number of symbols in `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  function stringSize(string) {\n\t    return hasUnicode(string)\n\t      ? unicodeSize(string)\n\t      : asciiSize(string);\n\t  }\n\t\n\t  /**\n\t   * Converts `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function stringToArray(string) {\n\t    return hasUnicode(string)\n\t      ? unicodeToArray(string)\n\t      : asciiToArray(string);\n\t  }\n\t\n\t  /**\n\t   * Used by `_.unescape` to convert HTML entities to characters.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to unescape.\n\t   * @returns {string} Returns the unescaped character.\n\t   */\n\t  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\t\n\t  /**\n\t   * Gets the size of a Unicode `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  function unicodeSize(string) {\n\t    var result = reUnicode.lastIndex = 0;\n\t    while (reUnicode.test(string)) {\n\t      ++result;\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts a Unicode `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function unicodeToArray(string) {\n\t    return string.match(reUnicode) || [];\n\t  }\n\t\n\t  /**\n\t   * Splits a Unicode `string` into an array of its words.\n\t   *\n\t   * @private\n\t   * @param {string} The string to inspect.\n\t   * @returns {Array} Returns the words of `string`.\n\t   */\n\t  function unicodeWords(string) {\n\t    return string.match(reUnicodeWord) || [];\n\t  }\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  /**\n\t   * Create a new pristine `lodash` function using the `context` object.\n\t   *\n\t   * @static\n\t   * @memberOf _\n\t   * @since 1.1.0\n\t   * @category Util\n\t   * @param {Object} [context=root] The context object.\n\t   * @returns {Function} Returns a new `lodash` function.\n\t   * @example\n\t   *\n\t   * _.mixin({ 'foo': _.constant('foo') });\n\t   *\n\t   * var lodash = _.runInContext();\n\t   * lodash.mixin({ 'bar': lodash.constant('bar') });\n\t   *\n\t   * _.isFunction(_.foo);\n\t   * // => true\n\t   * _.isFunction(_.bar);\n\t   * // => false\n\t   *\n\t   * lodash.isFunction(lodash.foo);\n\t   * // => false\n\t   * lodash.isFunction(lodash.bar);\n\t   * // => true\n\t   *\n\t   * // Create a suped-up `defer` in Node.js.\n\t   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n\t   */\n\t  var runInContext = (function runInContext(context) {\n\t    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\t\n\t    /** Built-in constructor references. */\n\t    var Array = context.Array,\n\t        Date = context.Date,\n\t        Error = context.Error,\n\t        Function = context.Function,\n\t        Math = context.Math,\n\t        Object = context.Object,\n\t        RegExp = context.RegExp,\n\t        String = context.String,\n\t        TypeError = context.TypeError;\n\t\n\t    /** Used for built-in method references. */\n\t    var arrayProto = Array.prototype,\n\t        funcProto = Function.prototype,\n\t        objectProto = Object.prototype;\n\t\n\t    /** Used to detect overreaching core-js shims. */\n\t    var coreJsData = context['__core-js_shared__'];\n\t\n\t    /** Used to resolve the decompiled source of functions. */\n\t    var funcToString = funcProto.toString;\n\t\n\t    /** Used to check objects for own properties. */\n\t    var hasOwnProperty = objectProto.hasOwnProperty;\n\t\n\t    /** Used to generate unique IDs. */\n\t    var idCounter = 0;\n\t\n\t    /** Used to detect methods masquerading as native. */\n\t    var maskSrcKey = (function() {\n\t      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n\t      return uid ? ('Symbol(src)_1.' + uid) : '';\n\t    }());\n\t\n\t    /**\n\t     * Used to resolve the\n\t     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n\t     * of values.\n\t     */\n\t    var nativeObjectToString = objectProto.toString;\n\t\n\t    /** Used to infer the `Object` constructor. */\n\t    var objectCtorString = funcToString.call(Object);\n\t\n\t    /** Used to restore the original `_` reference in `_.noConflict`. */\n\t    var oldDash = root._;\n\t\n\t    /** Used to detect if a method is native. */\n\t    var reIsNative = RegExp('^' +\n\t      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n\t      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n\t    );\n\t\n\t    /** Built-in value references. */\n\t    var Buffer = moduleExports ? context.Buffer : undefined,\n\t        Symbol = context.Symbol,\n\t        Uint8Array = context.Uint8Array,\n\t        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n\t        getPrototype = overArg(Object.getPrototypeOf, Object),\n\t        objectCreate = Object.create,\n\t        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n\t        splice = arrayProto.splice,\n\t        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n\t        symIterator = Symbol ? Symbol.iterator : undefined,\n\t        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\t\n\t    var defineProperty = (function() {\n\t      try {\n\t        var func = getNative(Object, 'defineProperty');\n\t        func({}, '', {});\n\t        return func;\n\t      } catch (e) {}\n\t    }());\n\t\n\t    /** Mocked built-ins. */\n\t    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n\t        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n\t        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\t\n\t    /* Built-in method references for those with the same name as other `lodash` methods. */\n\t    var nativeCeil = Math.ceil,\n\t        nativeFloor = Math.floor,\n\t        nativeGetSymbols = Object.getOwnPropertySymbols,\n\t        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n\t        nativeIsFinite = context.isFinite,\n\t        nativeJoin = arrayProto.join,\n\t        nativeKeys = overArg(Object.keys, Object),\n\t        nativeMax = Math.max,\n\t        nativeMin = Math.min,\n\t        nativeNow = Date.now,\n\t        nativeParseInt = context.parseInt,\n\t        nativeRandom = Math.random,\n\t        nativeReverse = arrayProto.reverse;\n\t\n\t    /* Built-in method references that are verified to be native. */\n\t    var DataView = getNative(context, 'DataView'),\n\t        Map = getNative(context, 'Map'),\n\t        Promise = getNative(context, 'Promise'),\n\t        Set = getNative(context, 'Set'),\n\t        WeakMap = getNative(context, 'WeakMap'),\n\t        nativeCreate = getNative(Object, 'create');\n\t\n\t    /** Used to store function metadata. */\n\t    var metaMap = WeakMap && new WeakMap;\n\t\n\t    /** Used to lookup unminified function names. */\n\t    var realNames = {};\n\t\n\t    /** Used to detect maps, sets, and weakmaps. */\n\t    var dataViewCtorString = toSource(DataView),\n\t        mapCtorString = toSource(Map),\n\t        promiseCtorString = toSource(Promise),\n\t        setCtorString = toSource(Set),\n\t        weakMapCtorString = toSource(WeakMap);\n\t\n\t    /** Used to convert symbols to primitives and strings. */\n\t    var symbolProto = Symbol ? Symbol.prototype : undefined,\n\t        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n\t        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a `lodash` object which wraps `value` to enable implicit method\n\t     * chain sequences. Methods that operate on and return arrays, collections,\n\t     * and functions can be chained together. Methods that retrieve a single value\n\t     * or may return a primitive value will automatically end the chain sequence\n\t     * and return the unwrapped value. Otherwise, the value must be unwrapped\n\t     * with `_#value`.\n\t     *\n\t     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n\t     * enabled using `_.chain`.\n\t     *\n\t     * The execution of chained methods is lazy, that is, it's deferred until\n\t     * `_#value` is implicitly or explicitly called.\n\t     *\n\t     * Lazy evaluation allows several methods to support shortcut fusion.\n\t     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n\t     * the creation of intermediate arrays and can greatly reduce the number of\n\t     * iteratee executions. Sections of a chain sequence qualify for shortcut\n\t     * fusion if the section is applied to an array and iteratees accept only\n\t     * one argument. The heuristic for whether a section qualifies for shortcut\n\t     * fusion is subject to change.\n\t     *\n\t     * Chaining is supported in custom builds as long as the `_#value` method is\n\t     * directly or indirectly included in the build.\n\t     *\n\t     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n\t     *\n\t     * The wrapper `Array` methods are:\n\t     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n\t     *\n\t     * The wrapper `String` methods are:\n\t     * `replace` and `split`\n\t     *\n\t     * The wrapper methods that support shortcut fusion are:\n\t     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n\t     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n\t     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n\t     *\n\t     * The chainable wrapper methods are:\n\t     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n\t     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n\t     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n\t     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n\t     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n\t     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n\t     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n\t     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n\t     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n\t     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n\t     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n\t     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n\t     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n\t     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n\t     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n\t     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n\t     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n\t     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n\t     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n\t     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n\t     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n\t     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n\t     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n\t     * `zipObject`, `zipObjectDeep`, and `zipWith`\n\t     *\n\t     * The wrapper methods that are **not** chainable by default are:\n\t     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n\t     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n\t     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n\t     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n\t     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n\t     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n\t     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n\t     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n\t     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n\t     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n\t     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n\t     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n\t     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n\t     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n\t     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n\t     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n\t     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n\t     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n\t     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n\t     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n\t     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n\t     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n\t     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n\t     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n\t     * `upperFirst`, `value`, and `words`\n\t     *\n\t     * @name _\n\t     * @constructor\n\t     * @category Seq\n\t     * @param {*} value The value to wrap in a `lodash` instance.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var wrapped = _([1, 2, 3]);\n\t     *\n\t     * // Returns an unwrapped value.\n\t     * wrapped.reduce(_.add);\n\t     * // => 6\n\t     *\n\t     * // Returns a wrapped value.\n\t     * var squares = wrapped.map(square);\n\t     *\n\t     * _.isArray(squares);\n\t     * // => false\n\t     *\n\t     * _.isArray(squares.value());\n\t     * // => true\n\t     */\n\t    function lodash(value) {\n\t      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n\t        if (value instanceof LodashWrapper) {\n\t          return value;\n\t        }\n\t        if (hasOwnProperty.call(value, '__wrapped__')) {\n\t          return wrapperClone(value);\n\t        }\n\t      }\n\t      return new LodashWrapper(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.create` without support for assigning\n\t     * properties to the created object.\n\t     *\n\t     * @private\n\t     * @param {Object} proto The object to inherit from.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    var baseCreate = (function() {\n\t      function object() {}\n\t      return function(proto) {\n\t        if (!isObject(proto)) {\n\t          return {};\n\t        }\n\t        if (objectCreate) {\n\t          return objectCreate(proto);\n\t        }\n\t        object.prototype = proto;\n\t        var result = new object;\n\t        object.prototype = undefined;\n\t        return result;\n\t      };\n\t    }());\n\t\n\t    /**\n\t     * The function whose prototype chain sequence wrappers inherit from.\n\t     *\n\t     * @private\n\t     */\n\t    function baseLodash() {\n\t      // No operation performed.\n\t    }\n\t\n\t    /**\n\t     * The base constructor for creating `lodash` wrapper objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to wrap.\n\t     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n\t     */\n\t    function LodashWrapper(value, chainAll) {\n\t      this.__wrapped__ = value;\n\t      this.__actions__ = [];\n\t      this.__chain__ = !!chainAll;\n\t      this.__index__ = 0;\n\t      this.__values__ = undefined;\n\t    }\n\t\n\t    /**\n\t     * By default, the template delimiters used by lodash are like those in\n\t     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n\t     * following template settings to use alternative delimiters.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @type {Object}\n\t     */\n\t    lodash.templateSettings = {\n\t\n\t      /**\n\t       * Used to detect `data` property values to be HTML-escaped.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'escape': reEscape,\n\t\n\t      /**\n\t       * Used to detect code to be evaluated.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'evaluate': reEvaluate,\n\t\n\t      /**\n\t       * Used to detect `data` property values to inject.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'interpolate': reInterpolate,\n\t\n\t      /**\n\t       * Used to reference the data object in the template text.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {string}\n\t       */\n\t      'variable': '',\n\t\n\t      /**\n\t       * Used to import variables into the compiled template.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {Object}\n\t       */\n\t      'imports': {\n\t\n\t        /**\n\t         * A reference to the `lodash` function.\n\t         *\n\t         * @memberOf _.templateSettings.imports\n\t         * @type {Function}\n\t         */\n\t        '_': lodash\n\t      }\n\t    };\n\t\n\t    // Ensure wrappers are instances of `baseLodash`.\n\t    lodash.prototype = baseLodash.prototype;\n\t    lodash.prototype.constructor = lodash;\n\t\n\t    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n\t    LodashWrapper.prototype.constructor = LodashWrapper;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {*} value The value to wrap.\n\t     */\n\t    function LazyWrapper(value) {\n\t      this.__wrapped__ = value;\n\t      this.__actions__ = [];\n\t      this.__dir__ = 1;\n\t      this.__filtered__ = false;\n\t      this.__iteratees__ = [];\n\t      this.__takeCount__ = MAX_ARRAY_LENGTH;\n\t      this.__views__ = [];\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the lazy wrapper object.\n\t     *\n\t     * @private\n\t     * @name clone\n\t     * @memberOf LazyWrapper\n\t     * @returns {Object} Returns the cloned `LazyWrapper` object.\n\t     */\n\t    function lazyClone() {\n\t      var result = new LazyWrapper(this.__wrapped__);\n\t      result.__actions__ = copyArray(this.__actions__);\n\t      result.__dir__ = this.__dir__;\n\t      result.__filtered__ = this.__filtered__;\n\t      result.__iteratees__ = copyArray(this.__iteratees__);\n\t      result.__takeCount__ = this.__takeCount__;\n\t      result.__views__ = copyArray(this.__views__);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Reverses the direction of lazy iteration.\n\t     *\n\t     * @private\n\t     * @name reverse\n\t     * @memberOf LazyWrapper\n\t     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n\t     */\n\t    function lazyReverse() {\n\t      if (this.__filtered__) {\n\t        var result = new LazyWrapper(this);\n\t        result.__dir__ = -1;\n\t        result.__filtered__ = true;\n\t      } else {\n\t        result = this.clone();\n\t        result.__dir__ *= -1;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Extracts the unwrapped value from its lazy wrapper.\n\t     *\n\t     * @private\n\t     * @name value\n\t     * @memberOf LazyWrapper\n\t     * @returns {*} Returns the unwrapped value.\n\t     */\n\t    function lazyValue() {\n\t      var array = this.__wrapped__.value(),\n\t          dir = this.__dir__,\n\t          isArr = isArray(array),\n\t          isRight = dir < 0,\n\t          arrLength = isArr ? array.length : 0,\n\t          view = getView(0, arrLength, this.__views__),\n\t          start = view.start,\n\t          end = view.end,\n\t          length = end - start,\n\t          index = isRight ? end : (start - 1),\n\t          iteratees = this.__iteratees__,\n\t          iterLength = iteratees.length,\n\t          resIndex = 0,\n\t          takeCount = nativeMin(length, this.__takeCount__);\n\t\n\t      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n\t        return baseWrapperValue(array, this.__actions__);\n\t      }\n\t      var result = [];\n\t\n\t      outer:\n\t      while (length-- && resIndex < takeCount) {\n\t        index += dir;\n\t\n\t        var iterIndex = -1,\n\t            value = array[index];\n\t\n\t        while (++iterIndex < iterLength) {\n\t          var data = iteratees[iterIndex],\n\t              iteratee = data.iteratee,\n\t              type = data.type,\n\t              computed = iteratee(value);\n\t\n\t          if (type == LAZY_MAP_FLAG) {\n\t            value = computed;\n\t          } else if (!computed) {\n\t            if (type == LAZY_FILTER_FLAG) {\n\t              continue outer;\n\t            } else {\n\t              break outer;\n\t            }\n\t          }\n\t        }\n\t        result[resIndex++] = value;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n\t    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n\t    LazyWrapper.prototype.constructor = LazyWrapper;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a hash object.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function Hash(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the hash.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf Hash\n\t     */\n\t    function hashClear() {\n\t      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the hash.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf Hash\n\t     * @param {Object} hash The hash to modify.\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function hashDelete(key) {\n\t      var result = this.has(key) && delete this.__data__[key];\n\t      this.size -= result ? 1 : 0;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the hash value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function hashGet(key) {\n\t      var data = this.__data__;\n\t      if (nativeCreate) {\n\t        var result = data[key];\n\t        return result === HASH_UNDEFINED ? undefined : result;\n\t      }\n\t      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n\t    }\n\t\n\t    /**\n\t     * Checks if a hash value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function hashHas(key) {\n\t      var data = this.__data__;\n\t      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n\t    }\n\t\n\t    /**\n\t     * Sets the hash `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the hash instance.\n\t     */\n\t    function hashSet(key, value) {\n\t      var data = this.__data__;\n\t      this.size += this.has(key) ? 0 : 1;\n\t      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `Hash`.\n\t    Hash.prototype.clear = hashClear;\n\t    Hash.prototype['delete'] = hashDelete;\n\t    Hash.prototype.get = hashGet;\n\t    Hash.prototype.has = hashHas;\n\t    Hash.prototype.set = hashSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an list cache object.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function ListCache(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the list cache.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf ListCache\n\t     */\n\t    function listCacheClear() {\n\t      this.__data__ = [];\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the list cache.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function listCacheDelete(key) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      if (index < 0) {\n\t        return false;\n\t      }\n\t      var lastIndex = data.length - 1;\n\t      if (index == lastIndex) {\n\t        data.pop();\n\t      } else {\n\t        splice.call(data, index, 1);\n\t      }\n\t      --this.size;\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Gets the list cache value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function listCacheGet(key) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      return index < 0 ? undefined : data[index][1];\n\t    }\n\t\n\t    /**\n\t     * Checks if a list cache value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function listCacheHas(key) {\n\t      return assocIndexOf(this.__data__, key) > -1;\n\t    }\n\t\n\t    /**\n\t     * Sets the list cache `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the list cache instance.\n\t     */\n\t    function listCacheSet(key, value) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      if (index < 0) {\n\t        ++this.size;\n\t        data.push([key, value]);\n\t      } else {\n\t        data[index][1] = value;\n\t      }\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `ListCache`.\n\t    ListCache.prototype.clear = listCacheClear;\n\t    ListCache.prototype['delete'] = listCacheDelete;\n\t    ListCache.prototype.get = listCacheGet;\n\t    ListCache.prototype.has = listCacheHas;\n\t    ListCache.prototype.set = listCacheSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a map cache object to store key-value pairs.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function MapCache(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the map.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf MapCache\n\t     */\n\t    function mapCacheClear() {\n\t      this.size = 0;\n\t      this.__data__ = {\n\t        'hash': new Hash,\n\t        'map': new (Map || ListCache),\n\t        'string': new Hash\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the map.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function mapCacheDelete(key) {\n\t      var result = getMapData(this, key)['delete'](key);\n\t      this.size -= result ? 1 : 0;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the map value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function mapCacheGet(key) {\n\t      return getMapData(this, key).get(key);\n\t    }\n\t\n\t    /**\n\t     * Checks if a map value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function mapCacheHas(key) {\n\t      return getMapData(this, key).has(key);\n\t    }\n\t\n\t    /**\n\t     * Sets the map `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the map cache instance.\n\t     */\n\t    function mapCacheSet(key, value) {\n\t      var data = getMapData(this, key),\n\t          size = data.size;\n\t\n\t      data.set(key, value);\n\t      this.size += data.size == size ? 0 : 1;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `MapCache`.\n\t    MapCache.prototype.clear = mapCacheClear;\n\t    MapCache.prototype['delete'] = mapCacheDelete;\n\t    MapCache.prototype.get = mapCacheGet;\n\t    MapCache.prototype.has = mapCacheHas;\n\t    MapCache.prototype.set = mapCacheSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     *\n\t     * Creates an array cache object to store unique values.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [values] The values to cache.\n\t     */\n\t    function SetCache(values) {\n\t      var index = -1,\n\t          length = values == null ? 0 : values.length;\n\t\n\t      this.__data__ = new MapCache;\n\t      while (++index < length) {\n\t        this.add(values[index]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Adds `value` to the array cache.\n\t     *\n\t     * @private\n\t     * @name add\n\t     * @memberOf SetCache\n\t     * @alias push\n\t     * @param {*} value The value to cache.\n\t     * @returns {Object} Returns the cache instance.\n\t     */\n\t    function setCacheAdd(value) {\n\t      this.__data__.set(value, HASH_UNDEFINED);\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is in the array cache.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf SetCache\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns `true` if `value` is found, else `false`.\n\t     */\n\t    function setCacheHas(value) {\n\t      return this.__data__.has(value);\n\t    }\n\t\n\t    // Add methods to `SetCache`.\n\t    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n\t    SetCache.prototype.has = setCacheHas;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a stack cache object to store key-value pairs.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function Stack(entries) {\n\t      var data = this.__data__ = new ListCache(entries);\n\t      this.size = data.size;\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the stack.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf Stack\n\t     */\n\t    function stackClear() {\n\t      this.__data__ = new ListCache;\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the stack.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function stackDelete(key) {\n\t      var data = this.__data__,\n\t          result = data['delete'](key);\n\t\n\t      this.size = data.size;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the stack value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function stackGet(key) {\n\t      return this.__data__.get(key);\n\t    }\n\t\n\t    /**\n\t     * Checks if a stack value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function stackHas(key) {\n\t      return this.__data__.has(key);\n\t    }\n\t\n\t    /**\n\t     * Sets the stack `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the stack cache instance.\n\t     */\n\t    function stackSet(key, value) {\n\t      var data = this.__data__;\n\t      if (data instanceof ListCache) {\n\t        var pairs = data.__data__;\n\t        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n\t          pairs.push([key, value]);\n\t          this.size = ++data.size;\n\t          return this;\n\t        }\n\t        data = this.__data__ = new MapCache(pairs);\n\t      }\n\t      data.set(key, value);\n\t      this.size = data.size;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `Stack`.\n\t    Stack.prototype.clear = stackClear;\n\t    Stack.prototype['delete'] = stackDelete;\n\t    Stack.prototype.get = stackGet;\n\t    Stack.prototype.has = stackHas;\n\t    Stack.prototype.set = stackSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an array of the enumerable property names of the array-like `value`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @param {boolean} inherited Specify returning inherited property names.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function arrayLikeKeys(value, inherited) {\n\t      var isArr = isArray(value),\n\t          isArg = !isArr && isArguments(value),\n\t          isBuff = !isArr && !isArg && isBuffer(value),\n\t          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n\t          skipIndexes = isArr || isArg || isBuff || isType,\n\t          result = skipIndexes ? baseTimes(value.length, String) : [],\n\t          length = result.length;\n\t\n\t      for (var key in value) {\n\t        if ((inherited || hasOwnProperty.call(value, key)) &&\n\t            !(skipIndexes && (\n\t               // Safari 9 has enumerable `arguments.length` in strict mode.\n\t               key == 'length' ||\n\t               // Node.js 0.10 has enumerable non-index properties on buffers.\n\t               (isBuff && (key == 'offset' || key == 'parent')) ||\n\t               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n\t               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n\t               // Skip index properties.\n\t               isIndex(key, length)\n\t            ))) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.sample` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to sample.\n\t     * @returns {*} Returns the random element.\n\t     */\n\t    function arraySample(array) {\n\t      var length = array.length;\n\t      return length ? array[baseRandom(0, length - 1)] : undefined;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.sampleSize` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to sample.\n\t     * @param {number} n The number of elements to sample.\n\t     * @returns {Array} Returns the random elements.\n\t     */\n\t    function arraySampleSize(array, n) {\n\t      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.shuffle` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     */\n\t    function arrayShuffle(array) {\n\t      return shuffleSelf(copyArray(array));\n\t    }\n\t\n\t    /**\n\t     * This function is like `assignValue` except that it doesn't assign\n\t     * `undefined` values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function assignMergeValue(object, key, value) {\n\t      if ((value !== undefined && !eq(object[key], value)) ||\n\t          (value === undefined && !(key in object))) {\n\t        baseAssignValue(object, key, value);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function assignValue(object, key, value) {\n\t      var objValue = object[key];\n\t      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n\t          (value === undefined && !(key in object))) {\n\t        baseAssignValue(object, key, value);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Gets the index at which the `key` is found in `array` of key-value pairs.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} key The key to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     */\n\t    function assocIndexOf(array, key) {\n\t      var length = array.length;\n\t      while (length--) {\n\t        if (eq(array[length][0], key)) {\n\t          return length;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * Aggregates elements of `collection` on `accumulator` with keys transformed\n\t     * by `iteratee` and values set by `setter`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} setter The function to set `accumulator` values.\n\t     * @param {Function} iteratee The iteratee to transform keys.\n\t     * @param {Object} accumulator The initial aggregated object.\n\t     * @returns {Function} Returns `accumulator`.\n\t     */\n\t    function baseAggregator(collection, setter, iteratee, accumulator) {\n\t      baseEach(collection, function(value, key, collection) {\n\t        setter(accumulator, value, iteratee(value), collection);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.assign` without support for multiple sources\n\t     * or `customizer` functions.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseAssign(object, source) {\n\t      return object && copyObject(source, keys(source), object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.assignIn` without support for multiple sources\n\t     * or `customizer` functions.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseAssignIn(object, source) {\n\t      return object && copyObject(source, keysIn(source), object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `assignValue` and `assignMergeValue` without\n\t     * value checks.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function baseAssignValue(object, key, value) {\n\t      if (key == '__proto__' && defineProperty) {\n\t        defineProperty(object, key, {\n\t          'configurable': true,\n\t          'enumerable': true,\n\t          'value': value,\n\t          'writable': true\n\t        });\n\t      } else {\n\t        object[key] = value;\n\t      }\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.at` without support for individual paths.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @returns {Array} Returns the picked elements.\n\t     */\n\t    function baseAt(object, paths) {\n\t      var index = -1,\n\t          length = paths.length,\n\t          result = Array(length),\n\t          skip = object == null;\n\t\n\t      while (++index < length) {\n\t        result[index] = skip ? undefined : get(object, paths[index]);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.clamp` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} number The number to clamp.\n\t     * @param {number} [lower] The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the clamped number.\n\t     */\n\t    function baseClamp(number, lower, upper) {\n\t      if (number === number) {\n\t        if (upper !== undefined) {\n\t          number = number <= upper ? number : upper;\n\t        }\n\t        if (lower !== undefined) {\n\t          number = number >= lower ? number : lower;\n\t        }\n\t      }\n\t      return number;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n\t     * traversed objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to clone.\n\t     * @param {boolean} bitmask The bitmask flags.\n\t     *  1 - Deep clone\n\t     *  2 - Flatten inherited properties\n\t     *  4 - Clone symbols\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @param {string} [key] The key of `value`.\n\t     * @param {Object} [object] The parent object of `value`.\n\t     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n\t     * @returns {*} Returns the cloned value.\n\t     */\n\t    function baseClone(value, bitmask, customizer, key, object, stack) {\n\t      var result,\n\t          isDeep = bitmask & CLONE_DEEP_FLAG,\n\t          isFlat = bitmask & CLONE_FLAT_FLAG,\n\t          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\t\n\t      if (customizer) {\n\t        result = object ? customizer(value, key, object, stack) : customizer(value);\n\t      }\n\t      if (result !== undefined) {\n\t        return result;\n\t      }\n\t      if (!isObject(value)) {\n\t        return value;\n\t      }\n\t      var isArr = isArray(value);\n\t      if (isArr) {\n\t        result = initCloneArray(value);\n\t        if (!isDeep) {\n\t          return copyArray(value, result);\n\t        }\n\t      } else {\n\t        var tag = getTag(value),\n\t            isFunc = tag == funcTag || tag == genTag;\n\t\n\t        if (isBuffer(value)) {\n\t          return cloneBuffer(value, isDeep);\n\t        }\n\t        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n\t          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n\t          if (!isDeep) {\n\t            return isFlat\n\t              ? copySymbolsIn(value, baseAssignIn(result, value))\n\t              : copySymbols(value, baseAssign(result, value));\n\t          }\n\t        } else {\n\t          if (!cloneableTags[tag]) {\n\t            return object ? value : {};\n\t          }\n\t          result = initCloneByTag(value, tag, baseClone, isDeep);\n\t        }\n\t      }\n\t      // Check for circular references and return its corresponding clone.\n\t      stack || (stack = new Stack);\n\t      var stacked = stack.get(value);\n\t      if (stacked) {\n\t        return stacked;\n\t      }\n\t      stack.set(value, result);\n\t\n\t      var keysFunc = isFull\n\t        ? (isFlat ? getAllKeysIn : getAllKeys)\n\t        : (isFlat ? keysIn : keys);\n\t\n\t      var props = isArr ? undefined : keysFunc(value);\n\t      arrayEach(props || value, function(subValue, key) {\n\t        if (props) {\n\t          key = subValue;\n\t          subValue = value[key];\n\t        }\n\t        // Recursively populate clone (susceptible to call stack limits).\n\t        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.conforms` which doesn't clone `source`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseConforms(source) {\n\t      var props = keys(source);\n\t      return function(object) {\n\t        return baseConformsTo(object, source, props);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.conformsTo` which accepts `props` to check.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n\t     */\n\t    function baseConformsTo(object, source, props) {\n\t      var length = props.length;\n\t      if (object == null) {\n\t        return !length;\n\t      }\n\t      object = Object(object);\n\t      while (length--) {\n\t        var key = props[length],\n\t            predicate = source[key],\n\t            value = object[key];\n\t\n\t        if ((value === undefined && !(key in object)) || !predicate(value)) {\n\t          return false;\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n\t     * to provide to `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @param {Array} args The arguments to provide to `func`.\n\t     * @returns {number|Object} Returns the timer id or timeout object.\n\t     */\n\t    function baseDelay(func, wait, args) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      return setTimeout(function() { func.apply(undefined, args); }, wait);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.difference` without support\n\t     * for excluding multiple arrays or iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Array} values The values to exclude.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     */\n\t    function baseDifference(array, values, iteratee, comparator) {\n\t      var index = -1,\n\t          includes = arrayIncludes,\n\t          isCommon = true,\n\t          length = array.length,\n\t          result = [],\n\t          valuesLength = values.length;\n\t\n\t      if (!length) {\n\t        return result;\n\t      }\n\t      if (iteratee) {\n\t        values = arrayMap(values, baseUnary(iteratee));\n\t      }\n\t      if (comparator) {\n\t        includes = arrayIncludesWith;\n\t        isCommon = false;\n\t      }\n\t      else if (values.length >= LARGE_ARRAY_SIZE) {\n\t        includes = cacheHas;\n\t        isCommon = false;\n\t        values = new SetCache(values);\n\t      }\n\t      outer:\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee == null ? value : iteratee(value);\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (isCommon && computed === computed) {\n\t          var valuesIndex = valuesLength;\n\t          while (valuesIndex--) {\n\t            if (values[valuesIndex] === computed) {\n\t              continue outer;\n\t            }\n\t          }\n\t          result.push(value);\n\t        }\n\t        else if (!includes(values, computed, comparator)) {\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.forEach` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     */\n\t    var baseEach = createBaseEach(baseForOwn);\n\t\n\t    /**\n\t     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     */\n\t    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\t\n\t    /**\n\t     * The base implementation of `_.every` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t     *  else `false`\n\t     */\n\t    function baseEvery(collection, predicate) {\n\t      var result = true;\n\t      baseEach(collection, function(value, index, collection) {\n\t        result = !!predicate(value, index, collection);\n\t        return result;\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.max` and `_.min` which accepts a\n\t     * `comparator` to determine the extremum value.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} iteratee The iteratee invoked per iteration.\n\t     * @param {Function} comparator The comparator used to compare values.\n\t     * @returns {*} Returns the extremum value.\n\t     */\n\t    function baseExtremum(array, iteratee, comparator) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            current = iteratee(value);\n\t\n\t        if (current != null && (computed === undefined\n\t              ? (current === current && !isSymbol(current))\n\t              : comparator(current, computed)\n\t            )) {\n\t          var computed = current,\n\t              result = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.fill` without an iteratee call guard.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to fill.\n\t     * @param {*} value The value to fill `array` with.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function baseFill(array, value, start, end) {\n\t      var length = array.length;\n\t\n\t      start = toInteger(start);\n\t      if (start < 0) {\n\t        start = -start > length ? 0 : (length + start);\n\t      }\n\t      end = (end === undefined || end > length) ? length : toInteger(end);\n\t      if (end < 0) {\n\t        end += length;\n\t      }\n\t      end = start > end ? 0 : toLength(end);\n\t      while (start < end) {\n\t        array[start++] = value;\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.filter` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     */\n\t    function baseFilter(collection, predicate) {\n\t      var result = [];\n\t      baseEach(collection, function(value, index, collection) {\n\t        if (predicate(value, index, collection)) {\n\t          result.push(value);\n\t        }\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.flatten` with support for restricting flattening.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to flatten.\n\t     * @param {number} depth The maximum recursion depth.\n\t     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n\t     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n\t     * @param {Array} [result=[]] The initial result value.\n\t     * @returns {Array} Returns the new flattened array.\n\t     */\n\t    function baseFlatten(array, depth, predicate, isStrict, result) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      predicate || (predicate = isFlattenable);\n\t      result || (result = []);\n\t\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (depth > 0 && predicate(value)) {\n\t          if (depth > 1) {\n\t            // Recursively flatten arrays (susceptible to call stack limits).\n\t            baseFlatten(value, depth - 1, predicate, isStrict, result);\n\t          } else {\n\t            arrayPush(result, value);\n\t          }\n\t        } else if (!isStrict) {\n\t          result[result.length] = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `baseForOwn` which iterates over `object`\n\t     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    var baseFor = createBaseFor();\n\t\n\t    /**\n\t     * This function is like `baseFor` except that it iterates over properties\n\t     * in the opposite order.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    var baseForRight = createBaseFor(true);\n\t\n\t    /**\n\t     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseForOwn(object, iteratee) {\n\t      return object && baseFor(object, iteratee, keys);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseForOwnRight(object, iteratee) {\n\t      return object && baseForRight(object, iteratee, keys);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.functions` which creates an array of\n\t     * `object` function property names filtered from `props`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Array} props The property names to filter.\n\t     * @returns {Array} Returns the function names.\n\t     */\n\t    function baseFunctions(object, props) {\n\t      return arrayFilter(props, function(key) {\n\t        return isFunction(object[key]);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.get` without support for default values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {*} Returns the resolved value.\n\t     */\n\t    function baseGet(object, path) {\n\t      path = castPath(path, object);\n\t\n\t      var index = 0,\n\t          length = path.length;\n\t\n\t      while (object != null && index < length) {\n\t        object = object[toKey(path[index++])];\n\t      }\n\t      return (index && index == length) ? object : undefined;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n\t     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n\t     * symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n\t      var result = keysFunc(object);\n\t      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `getTag` without fallbacks for buggy environments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the `toStringTag`.\n\t     */\n\t    function baseGetTag(value) {\n\t      if (value == null) {\n\t        return value === undefined ? undefinedTag : nullTag;\n\t      }\n\t      return (symToStringTag && symToStringTag in Object(value))\n\t        ? getRawTag(value)\n\t        : objectToString(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.gt` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t     *  else `false`.\n\t     */\n\t    function baseGt(value, other) {\n\t      return value > other;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.has` without support for deep paths.\n\t     *\n\t     * @private\n\t     * @param {Object} [object] The object to query.\n\t     * @param {Array|string} key The key to check.\n\t     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n\t     */\n\t    function baseHas(object, key) {\n\t      return object != null && hasOwnProperty.call(object, key);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.hasIn` without support for deep paths.\n\t     *\n\t     * @private\n\t     * @param {Object} [object] The object to query.\n\t     * @param {Array|string} key The key to check.\n\t     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n\t     */\n\t    function baseHasIn(object, key) {\n\t      return object != null && key in Object(object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.inRange` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} number The number to check.\n\t     * @param {number} start The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t     */\n\t    function baseInRange(number, start, end) {\n\t      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.intersection`, without support\n\t     * for iteratee shorthands, that accepts an array of arrays to inspect.\n\t     *\n\t     * @private\n\t     * @param {Array} arrays The arrays to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of shared values.\n\t     */\n\t    function baseIntersection(arrays, iteratee, comparator) {\n\t      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n\t          length = arrays[0].length,\n\t          othLength = arrays.length,\n\t          othIndex = othLength,\n\t          caches = Array(othLength),\n\t          maxLength = Infinity,\n\t          result = [];\n\t\n\t      while (othIndex--) {\n\t        var array = arrays[othIndex];\n\t        if (othIndex && iteratee) {\n\t          array = arrayMap(array, baseUnary(iteratee));\n\t        }\n\t        maxLength = nativeMin(array.length, maxLength);\n\t        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n\t          ? new SetCache(othIndex && array)\n\t          : undefined;\n\t      }\n\t      array = arrays[0];\n\t\n\t      var index = -1,\n\t          seen = caches[0];\n\t\n\t      outer:\n\t      while (++index < length && result.length < maxLength) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (!(seen\n\t              ? cacheHas(seen, computed)\n\t              : includes(result, computed, comparator)\n\t            )) {\n\t          othIndex = othLength;\n\t          while (--othIndex) {\n\t            var cache = caches[othIndex];\n\t            if (!(cache\n\t                  ? cacheHas(cache, computed)\n\t                  : includes(arrays[othIndex], computed, comparator))\n\t                ) {\n\t              continue outer;\n\t            }\n\t          }\n\t          if (seen) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.invert` and `_.invertBy` which inverts\n\t     * `object` with values transformed by `iteratee` and set by `setter`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} setter The function to set `accumulator` values.\n\t     * @param {Function} iteratee The iteratee to transform values.\n\t     * @param {Object} accumulator The initial inverted object.\n\t     * @returns {Function} Returns `accumulator`.\n\t     */\n\t    function baseInverter(object, setter, iteratee, accumulator) {\n\t      baseForOwn(object, function(value, key, object) {\n\t        setter(accumulator, iteratee(value), key, object);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.invoke` without support for individual\n\t     * method arguments.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {Array} args The arguments to invoke the method with.\n\t     * @returns {*} Returns the result of the invoked method.\n\t     */\n\t    function baseInvoke(object, path, args) {\n\t      path = castPath(path, object);\n\t      object = parent(object, path);\n\t      var func = object == null ? object : object[toKey(last(path))];\n\t      return func == null ? undefined : apply(func, object, args);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isArguments`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n\t     */\n\t    function baseIsArguments(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == argsTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n\t     */\n\t    function baseIsArrayBuffer(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isDate` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n\t     */\n\t    function baseIsDate(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == dateTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isEqual` which supports partial comparisons\n\t     * and tracks traversed objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @param {boolean} bitmask The bitmask flags.\n\t     *  1 - Unordered comparison\n\t     *  2 - Partial comparison\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     */\n\t    function baseIsEqual(value, other, bitmask, customizer, stack) {\n\t      if (value === other) {\n\t        return true;\n\t      }\n\t      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n\t        return value !== value && other !== other;\n\t      }\n\t      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqual` for arrays and objects which performs\n\t     * deep comparisons and tracks traversed objects enabling objects with circular\n\t     * references to be compared.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n\t      var objIsArr = isArray(object),\n\t          othIsArr = isArray(other),\n\t          objTag = objIsArr ? arrayTag : getTag(object),\n\t          othTag = othIsArr ? arrayTag : getTag(other);\n\t\n\t      objTag = objTag == argsTag ? objectTag : objTag;\n\t      othTag = othTag == argsTag ? objectTag : othTag;\n\t\n\t      var objIsObj = objTag == objectTag,\n\t          othIsObj = othTag == objectTag,\n\t          isSameTag = objTag == othTag;\n\t\n\t      if (isSameTag && isBuffer(object)) {\n\t        if (!isBuffer(other)) {\n\t          return false;\n\t        }\n\t        objIsArr = true;\n\t        objIsObj = false;\n\t      }\n\t      if (isSameTag && !objIsObj) {\n\t        stack || (stack = new Stack);\n\t        return (objIsArr || isTypedArray(object))\n\t          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n\t          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n\t      }\n\t      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n\t        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n\t            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\t\n\t        if (objIsWrapped || othIsWrapped) {\n\t          var objUnwrapped = objIsWrapped ? object.value() : object,\n\t              othUnwrapped = othIsWrapped ? other.value() : other;\n\t\n\t          stack || (stack = new Stack);\n\t          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n\t        }\n\t      }\n\t      if (!isSameTag) {\n\t        return false;\n\t      }\n\t      stack || (stack = new Stack);\n\t      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isMap` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n\t     */\n\t    function baseIsMap(value) {\n\t      return isObjectLike(value) && getTag(value) == mapTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @param {Array} matchData The property names, values, and compare flags to match.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     */\n\t    function baseIsMatch(object, source, matchData, customizer) {\n\t      var index = matchData.length,\n\t          length = index,\n\t          noCustomizer = !customizer;\n\t\n\t      if (object == null) {\n\t        return !length;\n\t      }\n\t      object = Object(object);\n\t      while (index--) {\n\t        var data = matchData[index];\n\t        if ((noCustomizer && data[2])\n\t              ? data[1] !== object[data[0]]\n\t              : !(data[0] in object)\n\t            ) {\n\t          return false;\n\t        }\n\t      }\n\t      while (++index < length) {\n\t        data = matchData[index];\n\t        var key = data[0],\n\t            objValue = object[key],\n\t            srcValue = data[1];\n\t\n\t        if (noCustomizer && data[2]) {\n\t          if (objValue === undefined && !(key in object)) {\n\t            return false;\n\t          }\n\t        } else {\n\t          var stack = new Stack;\n\t          if (customizer) {\n\t            var result = customizer(objValue, srcValue, key, object, source, stack);\n\t          }\n\t          if (!(result === undefined\n\t                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n\t                : result\n\t              )) {\n\t            return false;\n\t          }\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isNative` without bad shim checks.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a native function,\n\t     *  else `false`.\n\t     */\n\t    function baseIsNative(value) {\n\t      if (!isObject(value) || isMasked(value)) {\n\t        return false;\n\t      }\n\t      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n\t      return pattern.test(toSource(value));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isRegExp` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n\t     */\n\t    function baseIsRegExp(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isSet` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n\t     */\n\t    function baseIsSet(value) {\n\t      return isObjectLike(value) && getTag(value) == setTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n\t     */\n\t    function baseIsTypedArray(value) {\n\t      return isObjectLike(value) &&\n\t        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.iteratee`.\n\t     *\n\t     * @private\n\t     * @param {*} [value=_.identity] The value to convert to an iteratee.\n\t     * @returns {Function} Returns the iteratee.\n\t     */\n\t    function baseIteratee(value) {\n\t      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n\t      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n\t      if (typeof value == 'function') {\n\t        return value;\n\t      }\n\t      if (value == null) {\n\t        return identity;\n\t      }\n\t      if (typeof value == 'object') {\n\t        return isArray(value)\n\t          ? baseMatchesProperty(value[0], value[1])\n\t          : baseMatches(value);\n\t      }\n\t      return property(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function baseKeys(object) {\n\t      if (!isPrototype(object)) {\n\t        return nativeKeys(object);\n\t      }\n\t      var result = [];\n\t      for (var key in Object(object)) {\n\t        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function baseKeysIn(object) {\n\t      if (!isObject(object)) {\n\t        return nativeKeysIn(object);\n\t      }\n\t      var isProto = isPrototype(object),\n\t          result = [];\n\t\n\t      for (var key in object) {\n\t        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.lt` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t     *  else `false`.\n\t     */\n\t    function baseLt(value, other) {\n\t      return value < other;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.map` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array} Returns the new mapped array.\n\t     */\n\t    function baseMap(collection, iteratee) {\n\t      var index = -1,\n\t          result = isArrayLike(collection) ? Array(collection.length) : [];\n\t\n\t      baseEach(collection, function(value, key, collection) {\n\t        result[++index] = iteratee(value, key, collection);\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.matches` which doesn't clone `source`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseMatches(source) {\n\t      var matchData = getMatchData(source);\n\t      if (matchData.length == 1 && matchData[0][2]) {\n\t        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n\t      }\n\t      return function(object) {\n\t        return object === source || baseIsMatch(object, source, matchData);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n\t     *\n\t     * @private\n\t     * @param {string} path The path of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseMatchesProperty(path, srcValue) {\n\t      if (isKey(path) && isStrictComparable(srcValue)) {\n\t        return matchesStrictComparable(toKey(path), srcValue);\n\t      }\n\t      return function(object) {\n\t        var objValue = get(object, path);\n\t        return (objValue === undefined && objValue === srcValue)\n\t          ? hasIn(object, path)\n\t          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.merge` without support for multiple sources.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @param {number} srcIndex The index of `source`.\n\t     * @param {Function} [customizer] The function to customize merged values.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     */\n\t    function baseMerge(object, source, srcIndex, customizer, stack) {\n\t      if (object === source) {\n\t        return;\n\t      }\n\t      baseFor(source, function(srcValue, key) {\n\t        if (isObject(srcValue)) {\n\t          stack || (stack = new Stack);\n\t          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n\t        }\n\t        else {\n\t          var newValue = customizer\n\t            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n\t            : undefined;\n\t\n\t          if (newValue === undefined) {\n\t            newValue = srcValue;\n\t          }\n\t          assignMergeValue(object, key, newValue);\n\t        }\n\t      }, keysIn);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseMerge` for arrays and objects which performs\n\t     * deep merges and tracks traversed objects enabling objects with circular\n\t     * references to be merged.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @param {string} key The key of the value to merge.\n\t     * @param {number} srcIndex The index of `source`.\n\t     * @param {Function} mergeFunc The function to merge values.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     */\n\t    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n\t      var objValue = object[key],\n\t          srcValue = source[key],\n\t          stacked = stack.get(srcValue);\n\t\n\t      if (stacked) {\n\t        assignMergeValue(object, key, stacked);\n\t        return;\n\t      }\n\t      var newValue = customizer\n\t        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n\t        : undefined;\n\t\n\t      var isCommon = newValue === undefined;\n\t\n\t      if (isCommon) {\n\t        var isArr = isArray(srcValue),\n\t            isBuff = !isArr && isBuffer(srcValue),\n\t            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\t\n\t        newValue = srcValue;\n\t        if (isArr || isBuff || isTyped) {\n\t          if (isArray(objValue)) {\n\t            newValue = objValue;\n\t          }\n\t          else if (isArrayLikeObject(objValue)) {\n\t            newValue = copyArray(objValue);\n\t          }\n\t          else if (isBuff) {\n\t            isCommon = false;\n\t            newValue = cloneBuffer(srcValue, true);\n\t          }\n\t          else if (isTyped) {\n\t            isCommon = false;\n\t            newValue = cloneTypedArray(srcValue, true);\n\t          }\n\t          else {\n\t            newValue = [];\n\t          }\n\t        }\n\t        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n\t          newValue = objValue;\n\t          if (isArguments(objValue)) {\n\t            newValue = toPlainObject(objValue);\n\t          }\n\t          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n\t            newValue = initCloneObject(srcValue);\n\t          }\n\t        }\n\t        else {\n\t          isCommon = false;\n\t        }\n\t      }\n\t      if (isCommon) {\n\t        // Recursively merge objects and arrays (susceptible to call stack limits).\n\t        stack.set(srcValue, newValue);\n\t        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n\t        stack['delete'](srcValue);\n\t      }\n\t      assignMergeValue(object, key, newValue);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.nth` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to query.\n\t     * @param {number} n The index of the element to return.\n\t     * @returns {*} Returns the nth element of `array`.\n\t     */\n\t    function baseNth(array, n) {\n\t      var length = array.length;\n\t      if (!length) {\n\t        return;\n\t      }\n\t      n += n < 0 ? length : 0;\n\t      return isIndex(n, length) ? array[n] : undefined;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.orderBy` without param guards.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n\t     * @param {string[]} orders The sort orders of `iteratees`.\n\t     * @returns {Array} Returns the new sorted array.\n\t     */\n\t    function baseOrderBy(collection, iteratees, orders) {\n\t      var index = -1;\n\t      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\t\n\t      var result = baseMap(collection, function(value, key, collection) {\n\t        var criteria = arrayMap(iteratees, function(iteratee) {\n\t          return iteratee(value);\n\t        });\n\t        return { 'criteria': criteria, 'index': ++index, 'value': value };\n\t      });\n\t\n\t      return baseSortBy(result, function(object, other) {\n\t        return compareMultiple(object, other, orders);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pick` without support for individual\n\t     * property identifiers.\n\t     *\n\t     * @private\n\t     * @param {Object} object The source object.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function basePick(object, paths) {\n\t      return basePickBy(object, paths, function(value, path) {\n\t        return hasIn(object, path);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The source object.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @param {Function} predicate The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function basePickBy(object, paths, predicate) {\n\t      var index = -1,\n\t          length = paths.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var path = paths[index],\n\t            value = baseGet(object, path);\n\t\n\t        if (predicate(value, path)) {\n\t          baseSet(result, castPath(path, object), value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseProperty` which supports deep paths.\n\t     *\n\t     * @private\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {Function} Returns the new accessor function.\n\t     */\n\t    function basePropertyDeep(path) {\n\t      return function(object) {\n\t        return baseGet(object, path);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pullAllBy` without support for iteratee\n\t     * shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function basePullAll(array, values, iteratee, comparator) {\n\t      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n\t          index = -1,\n\t          length = values.length,\n\t          seen = array;\n\t\n\t      if (array === values) {\n\t        values = copyArray(values);\n\t      }\n\t      if (iteratee) {\n\t        seen = arrayMap(array, baseUnary(iteratee));\n\t      }\n\t      while (++index < length) {\n\t        var fromIndex = 0,\n\t            value = values[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n\t          if (seen !== array) {\n\t            splice.call(seen, fromIndex, 1);\n\t          }\n\t          splice.call(array, fromIndex, 1);\n\t        }\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pullAt` without support for individual\n\t     * indexes or capturing the removed elements.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to modify.\n\t     * @param {number[]} indexes The indexes of elements to remove.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function basePullAt(array, indexes) {\n\t      var length = array ? indexes.length : 0,\n\t          lastIndex = length - 1;\n\t\n\t      while (length--) {\n\t        var index = indexes[length];\n\t        if (length == lastIndex || index !== previous) {\n\t          var previous = index;\n\t          if (isIndex(index)) {\n\t            splice.call(array, index, 1);\n\t          } else {\n\t            baseUnset(array, index);\n\t          }\n\t        }\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.random` without support for returning\n\t     * floating-point numbers.\n\t     *\n\t     * @private\n\t     * @param {number} lower The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the random number.\n\t     */\n\t    function baseRandom(lower, upper) {\n\t      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n\t     * coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} start The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} step The value to increment or decrement by.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Array} Returns the range of numbers.\n\t     */\n\t    function baseRange(start, end, step, fromRight) {\n\t      var index = -1,\n\t          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n\t          result = Array(length);\n\t\n\t      while (length--) {\n\t        result[fromRight ? length : ++index] = start;\n\t        start += step;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.repeat` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {string} string The string to repeat.\n\t     * @param {number} n The number of times to repeat the string.\n\t     * @returns {string} Returns the repeated string.\n\t     */\n\t    function baseRepeat(string, n) {\n\t      var result = '';\n\t      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n\t        return result;\n\t      }\n\t      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n\t      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n\t      do {\n\t        if (n % 2) {\n\t          result += string;\n\t        }\n\t        n = nativeFloor(n / 2);\n\t        if (n) {\n\t          string += string;\n\t        }\n\t      } while (n);\n\t\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function baseRest(func, start) {\n\t      return setToString(overRest(func, start, identity), func + '');\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sample`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @returns {*} Returns the random element.\n\t     */\n\t    function baseSample(collection) {\n\t      return arraySample(values(collection));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sampleSize` without param guards.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @param {number} n The number of elements to sample.\n\t     * @returns {Array} Returns the random elements.\n\t     */\n\t    function baseSampleSize(collection, n) {\n\t      var array = values(collection);\n\t      return shuffleSelf(array, baseClamp(n, 0, array.length));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.set`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @param {Function} [customizer] The function to customize path creation.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseSet(object, path, value, customizer) {\n\t      if (!isObject(object)) {\n\t        return object;\n\t      }\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length,\n\t          lastIndex = length - 1,\n\t          nested = object;\n\t\n\t      while (nested != null && ++index < length) {\n\t        var key = toKey(path[index]),\n\t            newValue = value;\n\t\n\t        if (index != lastIndex) {\n\t          var objValue = nested[key];\n\t          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n\t          if (newValue === undefined) {\n\t            newValue = isObject(objValue)\n\t              ? objValue\n\t              : (isIndex(path[index + 1]) ? [] : {});\n\t          }\n\t        }\n\t        assignValue(nested, key, newValue);\n\t        nested = nested[key];\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `setData` without support for hot loop shorting.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to associate metadata with.\n\t     * @param {*} data The metadata.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var baseSetData = !metaMap ? identity : function(func, data) {\n\t      metaMap.set(func, data);\n\t      return func;\n\t    };\n\t\n\t    /**\n\t     * The base implementation of `setToString` without support for hot loop shorting.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to modify.\n\t     * @param {Function} string The `toString` result.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var baseSetToString = !defineProperty ? identity : function(func, string) {\n\t      return defineProperty(func, 'toString', {\n\t        'configurable': true,\n\t        'enumerable': false,\n\t        'value': constant(string),\n\t        'writable': true\n\t      });\n\t    };\n\t\n\t    /**\n\t     * The base implementation of `_.shuffle`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     */\n\t    function baseShuffle(collection) {\n\t      return shuffleSelf(values(collection));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.slice` without an iteratee call guard.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to slice.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function baseSlice(array, start, end) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      if (start < 0) {\n\t        start = -start > length ? 0 : (length + start);\n\t      }\n\t      end = end > length ? length : end;\n\t      if (end < 0) {\n\t        end += length;\n\t      }\n\t      length = start > end ? 0 : ((end - start) >>> 0);\n\t      start >>>= 0;\n\t\n\t      var result = Array(length);\n\t      while (++index < length) {\n\t        result[index] = array[index + start];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.some` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t     *  else `false`.\n\t     */\n\t    function baseSome(collection, predicate) {\n\t      var result;\n\t\n\t      baseEach(collection, function(value, index, collection) {\n\t        result = predicate(value, index, collection);\n\t        return !result;\n\t      });\n\t      return !!result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n\t     * performs a binary search of `array` to determine the index at which `value`\n\t     * should be inserted into `array` in order to maintain its sort order.\n\t     *\n\t     * @private\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     */\n\t    function baseSortedIndex(array, value, retHighest) {\n\t      var low = 0,\n\t          high = array == null ? low : array.length;\n\t\n\t      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n\t        while (low < high) {\n\t          var mid = (low + high) >>> 1,\n\t              computed = array[mid];\n\t\n\t          if (computed !== null && !isSymbol(computed) &&\n\t              (retHighest ? (computed <= value) : (computed < value))) {\n\t            low = mid + 1;\n\t          } else {\n\t            high = mid;\n\t          }\n\t        }\n\t        return high;\n\t      }\n\t      return baseSortedIndexBy(array, value, identity, retHighest);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n\t     * which invokes `iteratee` for `value` and each element of `array` to compute\n\t     * their sort ranking. The iteratee is invoked with one argument; (value).\n\t     *\n\t     * @private\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} iteratee The iteratee invoked per element.\n\t     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     */\n\t    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n\t      value = iteratee(value);\n\t\n\t      var low = 0,\n\t          high = array == null ? 0 : array.length,\n\t          valIsNaN = value !== value,\n\t          valIsNull = value === null,\n\t          valIsSymbol = isSymbol(value),\n\t          valIsUndefined = value === undefined;\n\t\n\t      while (low < high) {\n\t        var mid = nativeFloor((low + high) / 2),\n\t            computed = iteratee(array[mid]),\n\t            othIsDefined = computed !== undefined,\n\t            othIsNull = computed === null,\n\t            othIsReflexive = computed === computed,\n\t            othIsSymbol = isSymbol(computed);\n\t\n\t        if (valIsNaN) {\n\t          var setLow = retHighest || othIsReflexive;\n\t        } else if (valIsUndefined) {\n\t          setLow = othIsReflexive && (retHighest || othIsDefined);\n\t        } else if (valIsNull) {\n\t          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n\t        } else if (valIsSymbol) {\n\t          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n\t        } else if (othIsNull || othIsSymbol) {\n\t          setLow = false;\n\t        } else {\n\t          setLow = retHighest ? (computed <= value) : (computed < value);\n\t        }\n\t        if (setLow) {\n\t          low = mid + 1;\n\t        } else {\n\t          high = mid;\n\t        }\n\t      }\n\t      return nativeMin(high, MAX_ARRAY_INDEX);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n\t     * support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     */\n\t    function baseSortedUniq(array, iteratee) {\n\t      var index = -1,\n\t          length = array.length,\n\t          resIndex = 0,\n\t          result = [];\n\t\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        if (!index || !eq(computed, seen)) {\n\t          var seen = computed;\n\t          result[resIndex++] = value === 0 ? 0 : value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.toNumber` which doesn't ensure correct\n\t     * conversions of binary, hexadecimal, or octal string values.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to process.\n\t     * @returns {number} Returns the number.\n\t     */\n\t    function baseToNumber(value) {\n\t      if (typeof value == 'number') {\n\t        return value;\n\t      }\n\t      if (isSymbol(value)) {\n\t        return NAN;\n\t      }\n\t      return +value;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.toString` which doesn't convert nullish\n\t     * values to empty strings.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to process.\n\t     * @returns {string} Returns the string.\n\t     */\n\t    function baseToString(value) {\n\t      // Exit early for strings to avoid a performance hit in some environments.\n\t      if (typeof value == 'string') {\n\t        return value;\n\t      }\n\t      if (isArray(value)) {\n\t        // Recursively convert values (susceptible to call stack limits).\n\t        return arrayMap(value, baseToString) + '';\n\t      }\n\t      if (isSymbol(value)) {\n\t        return symbolToString ? symbolToString.call(value) : '';\n\t      }\n\t      var result = (value + '');\n\t      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     */\n\t    function baseUniq(array, iteratee, comparator) {\n\t      var index = -1,\n\t          includes = arrayIncludes,\n\t          length = array.length,\n\t          isCommon = true,\n\t          result = [],\n\t          seen = result;\n\t\n\t      if (comparator) {\n\t        isCommon = false;\n\t        includes = arrayIncludesWith;\n\t      }\n\t      else if (length >= LARGE_ARRAY_SIZE) {\n\t        var set = iteratee ? null : createSet(array);\n\t        if (set) {\n\t          return setToArray(set);\n\t        }\n\t        isCommon = false;\n\t        includes = cacheHas;\n\t        seen = new SetCache;\n\t      }\n\t      else {\n\t        seen = iteratee ? [] : result;\n\t      }\n\t      outer:\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (isCommon && computed === computed) {\n\t          var seenIndex = seen.length;\n\t          while (seenIndex--) {\n\t            if (seen[seenIndex] === computed) {\n\t              continue outer;\n\t            }\n\t          }\n\t          if (iteratee) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t        else if (!includes(seen, computed, comparator)) {\n\t          if (seen !== result) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.unset`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The property path to unset.\n\t     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t     */\n\t    function baseUnset(object, path) {\n\t      path = castPath(path, object);\n\t      object = parent(object, path);\n\t      return object == null || delete object[toKey(last(path))];\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.update`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to update.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @param {Function} [customizer] The function to customize path creation.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseUpdate(object, path, updater, customizer) {\n\t      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n\t     * without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function baseWhile(array, predicate, isDrop, fromRight) {\n\t      var length = array.length,\n\t          index = fromRight ? length : -1;\n\t\n\t      while ((fromRight ? index-- : ++index < length) &&\n\t        predicate(array[index], index, array)) {}\n\t\n\t      return isDrop\n\t        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n\t        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `wrapperValue` which returns the result of\n\t     * performing a sequence of actions on the unwrapped `value`, where each\n\t     * successive action is supplied the return value of the previous.\n\t     *\n\t     * @private\n\t     * @param {*} value The unwrapped value.\n\t     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n\t     * @returns {*} Returns the resolved value.\n\t     */\n\t    function baseWrapperValue(value, actions) {\n\t      var result = value;\n\t      if (result instanceof LazyWrapper) {\n\t        result = result.value();\n\t      }\n\t      return arrayReduce(actions, function(result, action) {\n\t        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n\t      }, result);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.xor`, without support for\n\t     * iteratee shorthands, that accepts an array of arrays to inspect.\n\t     *\n\t     * @private\n\t     * @param {Array} arrays The arrays to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of values.\n\t     */\n\t    function baseXor(arrays, iteratee, comparator) {\n\t      var length = arrays.length;\n\t      if (length < 2) {\n\t        return length ? baseUniq(arrays[0]) : [];\n\t      }\n\t      var index = -1,\n\t          result = Array(length);\n\t\n\t      while (++index < length) {\n\t        var array = arrays[index],\n\t            othIndex = -1;\n\t\n\t        while (++othIndex < length) {\n\t          if (othIndex != index) {\n\t            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n\t          }\n\t        }\n\t      }\n\t      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n\t    }\n\t\n\t    /**\n\t     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n\t     *\n\t     * @private\n\t     * @param {Array} props The property identifiers.\n\t     * @param {Array} values The property values.\n\t     * @param {Function} assignFunc The function to assign values.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function baseZipObject(props, values, assignFunc) {\n\t      var index = -1,\n\t          length = props.length,\n\t          valsLength = values.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var value = index < valsLength ? values[index] : undefined;\n\t        assignFunc(result, props[index], value);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to an empty array if it's not an array like object.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Array|Object} Returns the cast array-like object.\n\t     */\n\t    function castArrayLikeObject(value) {\n\t      return isArrayLikeObject(value) ? value : [];\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to `identity` if it's not a function.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Function} Returns cast function.\n\t     */\n\t    function castFunction(value) {\n\t      return typeof value == 'function' ? value : identity;\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to a path array if it's not one.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @param {Object} [object] The object to query keys on.\n\t     * @returns {Array} Returns the cast property path array.\n\t     */\n\t    function castPath(value, object) {\n\t      if (isArray(value)) {\n\t        return value;\n\t      }\n\t      return isKey(value, object) ? [value] : stringToPath(toString(value));\n\t    }\n\t\n\t    /**\n\t     * A `baseRest` alias which can be replaced with `identity` by module\n\t     * replacement plugins.\n\t     *\n\t     * @private\n\t     * @type {Function}\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    var castRest = baseRest;\n\t\n\t    /**\n\t     * Casts `array` to a slice if it's needed.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {number} start The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the cast slice.\n\t     */\n\t    function castSlice(array, start, end) {\n\t      var length = array.length;\n\t      end = end === undefined ? length : end;\n\t      return (!start && end >= length) ? array : baseSlice(array, start, end);\n\t    }\n\t\n\t    /**\n\t     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n\t     *\n\t     * @private\n\t     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n\t     */\n\t    var clearTimeout = ctxClearTimeout || function(id) {\n\t      return root.clearTimeout(id);\n\t    };\n\t\n\t    /**\n\t     * Creates a clone of  `buffer`.\n\t     *\n\t     * @private\n\t     * @param {Buffer} buffer The buffer to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Buffer} Returns the cloned buffer.\n\t     */\n\t    function cloneBuffer(buffer, isDeep) {\n\t      if (isDeep) {\n\t        return buffer.slice();\n\t      }\n\t      var length = buffer.length,\n\t          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\t\n\t      buffer.copy(result);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `arrayBuffer`.\n\t     *\n\t     * @private\n\t     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n\t     * @returns {ArrayBuffer} Returns the cloned array buffer.\n\t     */\n\t    function cloneArrayBuffer(arrayBuffer) {\n\t      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n\t      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `dataView`.\n\t     *\n\t     * @private\n\t     * @param {Object} dataView The data view to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned data view.\n\t     */\n\t    function cloneDataView(dataView, isDeep) {\n\t      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n\t      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `map`.\n\t     *\n\t     * @private\n\t     * @param {Object} map The map to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned map.\n\t     */\n\t    function cloneMap(map, isDeep, cloneFunc) {\n\t      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n\t      return arrayReduce(array, addMapEntry, new map.constructor);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `regexp`.\n\t     *\n\t     * @private\n\t     * @param {Object} regexp The regexp to clone.\n\t     * @returns {Object} Returns the cloned regexp.\n\t     */\n\t    function cloneRegExp(regexp) {\n\t      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n\t      result.lastIndex = regexp.lastIndex;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `set`.\n\t     *\n\t     * @private\n\t     * @param {Object} set The set to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned set.\n\t     */\n\t    function cloneSet(set, isDeep, cloneFunc) {\n\t      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n\t      return arrayReduce(array, addSetEntry, new set.constructor);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the `symbol` object.\n\t     *\n\t     * @private\n\t     * @param {Object} symbol The symbol object to clone.\n\t     * @returns {Object} Returns the cloned symbol object.\n\t     */\n\t    function cloneSymbol(symbol) {\n\t      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `typedArray`.\n\t     *\n\t     * @private\n\t     * @param {Object} typedArray The typed array to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned typed array.\n\t     */\n\t    function cloneTypedArray(typedArray, isDeep) {\n\t      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n\t      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n\t    }\n\t\n\t    /**\n\t     * Compares values to sort them in ascending order.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {number} Returns the sort order indicator for `value`.\n\t     */\n\t    function compareAscending(value, other) {\n\t      if (value !== other) {\n\t        var valIsDefined = value !== undefined,\n\t            valIsNull = value === null,\n\t            valIsReflexive = value === value,\n\t            valIsSymbol = isSymbol(value);\n\t\n\t        var othIsDefined = other !== undefined,\n\t            othIsNull = other === null,\n\t            othIsReflexive = other === other,\n\t            othIsSymbol = isSymbol(other);\n\t\n\t        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n\t            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n\t            (valIsNull && othIsDefined && othIsReflexive) ||\n\t            (!valIsDefined && othIsReflexive) ||\n\t            !valIsReflexive) {\n\t          return 1;\n\t        }\n\t        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n\t            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n\t            (othIsNull && valIsDefined && valIsReflexive) ||\n\t            (!othIsDefined && valIsReflexive) ||\n\t            !othIsReflexive) {\n\t          return -1;\n\t        }\n\t      }\n\t      return 0;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.orderBy` to compare multiple properties of a value to another\n\t     * and stable sort them.\n\t     *\n\t     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n\t     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n\t     * of corresponding values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {boolean[]|string[]} orders The order to sort by for each property.\n\t     * @returns {number} Returns the sort order indicator for `object`.\n\t     */\n\t    function compareMultiple(object, other, orders) {\n\t      var index = -1,\n\t          objCriteria = object.criteria,\n\t          othCriteria = other.criteria,\n\t          length = objCriteria.length,\n\t          ordersLength = orders.length;\n\t\n\t      while (++index < length) {\n\t        var result = compareAscending(objCriteria[index], othCriteria[index]);\n\t        if (result) {\n\t          if (index >= ordersLength) {\n\t            return result;\n\t          }\n\t          var order = orders[index];\n\t          return result * (order == 'desc' ? -1 : 1);\n\t        }\n\t      }\n\t      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n\t      // that causes it, under certain circumstances, to provide the same value for\n\t      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n\t      // for more details.\n\t      //\n\t      // This also ensures a stable sort in V8 and other engines.\n\t      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n\t      return object.index - other.index;\n\t    }\n\t\n\t    /**\n\t     * Creates an array that is the composition of partially applied arguments,\n\t     * placeholders, and provided arguments into a single array of arguments.\n\t     *\n\t     * @private\n\t     * @param {Array} args The provided arguments.\n\t     * @param {Array} partials The arguments to prepend to those provided.\n\t     * @param {Array} holders The `partials` placeholder indexes.\n\t     * @params {boolean} [isCurried] Specify composing for a curried function.\n\t     * @returns {Array} Returns the new array of composed arguments.\n\t     */\n\t    function composeArgs(args, partials, holders, isCurried) {\n\t      var argsIndex = -1,\n\t          argsLength = args.length,\n\t          holdersLength = holders.length,\n\t          leftIndex = -1,\n\t          leftLength = partials.length,\n\t          rangeLength = nativeMax(argsLength - holdersLength, 0),\n\t          result = Array(leftLength + rangeLength),\n\t          isUncurried = !isCurried;\n\t\n\t      while (++leftIndex < leftLength) {\n\t        result[leftIndex] = partials[leftIndex];\n\t      }\n\t      while (++argsIndex < holdersLength) {\n\t        if (isUncurried || argsIndex < argsLength) {\n\t          result[holders[argsIndex]] = args[argsIndex];\n\t        }\n\t      }\n\t      while (rangeLength--) {\n\t        result[leftIndex++] = args[argsIndex++];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This function is like `composeArgs` except that the arguments composition\n\t     * is tailored for `_.partialRight`.\n\t     *\n\t     * @private\n\t     * @param {Array} args The provided arguments.\n\t     * @param {Array} partials The arguments to append to those provided.\n\t     * @param {Array} holders The `partials` placeholder indexes.\n\t     * @params {boolean} [isCurried] Specify composing for a curried function.\n\t     * @returns {Array} Returns the new array of composed arguments.\n\t     */\n\t    function composeArgsRight(args, partials, holders, isCurried) {\n\t      var argsIndex = -1,\n\t          argsLength = args.length,\n\t          holdersIndex = -1,\n\t          holdersLength = holders.length,\n\t          rightIndex = -1,\n\t          rightLength = partials.length,\n\t          rangeLength = nativeMax(argsLength - holdersLength, 0),\n\t          result = Array(rangeLength + rightLength),\n\t          isUncurried = !isCurried;\n\t\n\t      while (++argsIndex < rangeLength) {\n\t        result[argsIndex] = args[argsIndex];\n\t      }\n\t      var offset = argsIndex;\n\t      while (++rightIndex < rightLength) {\n\t        result[offset + rightIndex] = partials[rightIndex];\n\t      }\n\t      while (++holdersIndex < holdersLength) {\n\t        if (isUncurried || argsIndex < argsLength) {\n\t          result[offset + holders[holdersIndex]] = args[argsIndex++];\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Copies the values of `source` to `array`.\n\t     *\n\t     * @private\n\t     * @param {Array} source The array to copy values from.\n\t     * @param {Array} [array=[]] The array to copy values to.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function copyArray(source, array) {\n\t      var index = -1,\n\t          length = source.length;\n\t\n\t      array || (array = Array(length));\n\t      while (++index < length) {\n\t        array[index] = source[index];\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Copies properties of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy properties from.\n\t     * @param {Array} props The property identifiers to copy.\n\t     * @param {Object} [object={}] The object to copy properties to.\n\t     * @param {Function} [customizer] The function to customize copied values.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copyObject(source, props, object, customizer) {\n\t      var isNew = !object;\n\t      object || (object = {});\n\t\n\t      var index = -1,\n\t          length = props.length;\n\t\n\t      while (++index < length) {\n\t        var key = props[index];\n\t\n\t        var newValue = customizer\n\t          ? customizer(object[key], source[key], key, object, source)\n\t          : undefined;\n\t\n\t        if (newValue === undefined) {\n\t          newValue = source[key];\n\t        }\n\t        if (isNew) {\n\t          baseAssignValue(object, key, newValue);\n\t        } else {\n\t          assignValue(object, key, newValue);\n\t        }\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Copies own symbols of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy symbols from.\n\t     * @param {Object} [object={}] The object to copy symbols to.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copySymbols(source, object) {\n\t      return copyObject(source, getSymbols(source), object);\n\t    }\n\t\n\t    /**\n\t     * Copies own and inherited symbols of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy symbols from.\n\t     * @param {Object} [object={}] The object to copy symbols to.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copySymbolsIn(source, object) {\n\t      return copyObject(source, getSymbolsIn(source), object);\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.groupBy`.\n\t     *\n\t     * @private\n\t     * @param {Function} setter The function to set accumulator values.\n\t     * @param {Function} [initializer] The accumulator object initializer.\n\t     * @returns {Function} Returns the new aggregator function.\n\t     */\n\t    function createAggregator(setter, initializer) {\n\t      return function(collection, iteratee) {\n\t        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n\t            accumulator = initializer ? initializer() : {};\n\t\n\t        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.assign`.\n\t     *\n\t     * @private\n\t     * @param {Function} assigner The function to assign values.\n\t     * @returns {Function} Returns the new assigner function.\n\t     */\n\t    function createAssigner(assigner) {\n\t      return baseRest(function(object, sources) {\n\t        var index = -1,\n\t            length = sources.length,\n\t            customizer = length > 1 ? sources[length - 1] : undefined,\n\t            guard = length > 2 ? sources[2] : undefined;\n\t\n\t        customizer = (assigner.length > 3 && typeof customizer == 'function')\n\t          ? (length--, customizer)\n\t          : undefined;\n\t\n\t        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n\t          customizer = length < 3 ? undefined : customizer;\n\t          length = 1;\n\t        }\n\t        object = Object(object);\n\t        while (++index < length) {\n\t          var source = sources[index];\n\t          if (source) {\n\t            assigner(object, source, index, customizer);\n\t          }\n\t        }\n\t        return object;\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a `baseEach` or `baseEachRight` function.\n\t     *\n\t     * @private\n\t     * @param {Function} eachFunc The function to iterate over a collection.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new base function.\n\t     */\n\t    function createBaseEach(eachFunc, fromRight) {\n\t      return function(collection, iteratee) {\n\t        if (collection == null) {\n\t          return collection;\n\t        }\n\t        if (!isArrayLike(collection)) {\n\t          return eachFunc(collection, iteratee);\n\t        }\n\t        var length = collection.length,\n\t            index = fromRight ? length : -1,\n\t            iterable = Object(collection);\n\t\n\t        while ((fromRight ? index-- : ++index < length)) {\n\t          if (iteratee(iterable[index], index, iterable) === false) {\n\t            break;\n\t          }\n\t        }\n\t        return collection;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new base function.\n\t     */\n\t    function createBaseFor(fromRight) {\n\t      return function(object, iteratee, keysFunc) {\n\t        var index = -1,\n\t            iterable = Object(object),\n\t            props = keysFunc(object),\n\t            length = props.length;\n\t\n\t        while (length--) {\n\t          var key = props[fromRight ? length : ++index];\n\t          if (iteratee(iterable[key], key, iterable) === false) {\n\t            break;\n\t          }\n\t        }\n\t        return object;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with the optional `this`\n\t     * binding of `thisArg`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createBind(func, bitmask, thisArg) {\n\t      var isBind = bitmask & WRAP_BIND_FLAG,\n\t          Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t        return fn.apply(isBind ? thisArg : this, arguments);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.lowerFirst`.\n\t     *\n\t     * @private\n\t     * @param {string} methodName The name of the `String` case method to use.\n\t     * @returns {Function} Returns the new case function.\n\t     */\n\t    function createCaseFirst(methodName) {\n\t      return function(string) {\n\t        string = toString(string);\n\t\n\t        var strSymbols = hasUnicode(string)\n\t          ? stringToArray(string)\n\t          : undefined;\n\t\n\t        var chr = strSymbols\n\t          ? strSymbols[0]\n\t          : string.charAt(0);\n\t\n\t        var trailing = strSymbols\n\t          ? castSlice(strSymbols, 1).join('')\n\t          : string.slice(1);\n\t\n\t        return chr[methodName]() + trailing;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.camelCase`.\n\t     *\n\t     * @private\n\t     * @param {Function} callback The function to combine each word.\n\t     * @returns {Function} Returns the new compounder function.\n\t     */\n\t    function createCompounder(callback) {\n\t      return function(string) {\n\t        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that produces an instance of `Ctor` regardless of\n\t     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n\t     *\n\t     * @private\n\t     * @param {Function} Ctor The constructor to wrap.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createCtor(Ctor) {\n\t      return function() {\n\t        // Use a `switch` statement to work with class constructors. See\n\t        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n\t        // for more details.\n\t        var args = arguments;\n\t        switch (args.length) {\n\t          case 0: return new Ctor;\n\t          case 1: return new Ctor(args[0]);\n\t          case 2: return new Ctor(args[0], args[1]);\n\t          case 3: return new Ctor(args[0], args[1], args[2]);\n\t          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n\t          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n\t          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n\t          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n\t        }\n\t        var thisBinding = baseCreate(Ctor.prototype),\n\t            result = Ctor.apply(thisBinding, args);\n\t\n\t        // Mimic the constructor's `return` behavior.\n\t        // See https://es5.github.io/#x13.2.2 for more details.\n\t        return isObject(result) ? result : thisBinding;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to enable currying.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {number} arity The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createCurry(func, bitmask, arity) {\n\t      var Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var length = arguments.length,\n\t            args = Array(length),\n\t            index = length,\n\t            placeholder = getHolder(wrapper);\n\t\n\t        while (index--) {\n\t          args[index] = arguments[index];\n\t        }\n\t        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n\t          ? []\n\t          : replaceHolders(args, placeholder);\n\t\n\t        length -= holders.length;\n\t        if (length < arity) {\n\t          return createRecurry(\n\t            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n\t            args, holders, undefined, undefined, arity - length);\n\t        }\n\t        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t        return apply(fn, this, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.find` or `_.findLast` function.\n\t     *\n\t     * @private\n\t     * @param {Function} findIndexFunc The function to find the collection index.\n\t     * @returns {Function} Returns the new find function.\n\t     */\n\t    function createFind(findIndexFunc) {\n\t      return function(collection, predicate, fromIndex) {\n\t        var iterable = Object(collection);\n\t        if (!isArrayLike(collection)) {\n\t          var iteratee = getIteratee(predicate, 3);\n\t          collection = keys(collection);\n\t          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n\t        }\n\t        var index = findIndexFunc(collection, predicate, fromIndex);\n\t        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.flow` or `_.flowRight` function.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new flow function.\n\t     */\n\t    function createFlow(fromRight) {\n\t      return flatRest(function(funcs) {\n\t        var length = funcs.length,\n\t            index = length,\n\t            prereq = LodashWrapper.prototype.thru;\n\t\n\t        if (fromRight) {\n\t          funcs.reverse();\n\t        }\n\t        while (index--) {\n\t          var func = funcs[index];\n\t          if (typeof func != 'function') {\n\t            throw new TypeError(FUNC_ERROR_TEXT);\n\t          }\n\t          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n\t            var wrapper = new LodashWrapper([], true);\n\t          }\n\t        }\n\t        index = wrapper ? index : length;\n\t        while (++index < length) {\n\t          func = funcs[index];\n\t\n\t          var funcName = getFuncName(func),\n\t              data = funcName == 'wrapper' ? getData(func) : undefined;\n\t\n\t          if (data && isLaziable(data[0]) &&\n\t                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n\t                !data[4].length && data[9] == 1\n\t              ) {\n\t            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n\t          } else {\n\t            wrapper = (func.length == 1 && isLaziable(func))\n\t              ? wrapper[funcName]()\n\t              : wrapper.thru(func);\n\t          }\n\t        }\n\t        return function() {\n\t          var args = arguments,\n\t              value = args[0];\n\t\n\t          if (wrapper && args.length == 1 && isArray(value)) {\n\t            return wrapper.plant(value).value();\n\t          }\n\t          var index = 0,\n\t              result = length ? funcs[index].apply(this, args) : value;\n\t\n\t          while (++index < length) {\n\t            result = funcs[index].call(this, result);\n\t          }\n\t          return result;\n\t        };\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with optional `this`\n\t     * binding of `thisArg`, partial application, and currying.\n\t     *\n\t     * @private\n\t     * @param {Function|string} func The function or method name to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [partialsRight] The arguments to append to those provided\n\t     *  to the new function.\n\t     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n\t      var isAry = bitmask & WRAP_ARY_FLAG,\n\t          isBind = bitmask & WRAP_BIND_FLAG,\n\t          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n\t          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n\t          isFlip = bitmask & WRAP_FLIP_FLAG,\n\t          Ctor = isBindKey ? undefined : createCtor(func);\n\t\n\t      function wrapper() {\n\t        var length = arguments.length,\n\t            args = Array(length),\n\t            index = length;\n\t\n\t        while (index--) {\n\t          args[index] = arguments[index];\n\t        }\n\t        if (isCurried) {\n\t          var placeholder = getHolder(wrapper),\n\t              holdersCount = countHolders(args, placeholder);\n\t        }\n\t        if (partials) {\n\t          args = composeArgs(args, partials, holders, isCurried);\n\t        }\n\t        if (partialsRight) {\n\t          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n\t        }\n\t        length -= holdersCount;\n\t        if (isCurried && length < arity) {\n\t          var newHolders = replaceHolders(args, placeholder);\n\t          return createRecurry(\n\t            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n\t            args, newHolders, argPos, ary, arity - length\n\t          );\n\t        }\n\t        var thisBinding = isBind ? thisArg : this,\n\t            fn = isBindKey ? thisBinding[func] : func;\n\t\n\t        length = args.length;\n\t        if (argPos) {\n\t          args = reorder(args, argPos);\n\t        } else if (isFlip && length > 1) {\n\t          args.reverse();\n\t        }\n\t        if (isAry && ary < length) {\n\t          args.length = ary;\n\t        }\n\t        if (this && this !== root && this instanceof wrapper) {\n\t          fn = Ctor || createCtor(fn);\n\t        }\n\t        return fn.apply(thisBinding, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.invertBy`.\n\t     *\n\t     * @private\n\t     * @param {Function} setter The function to set accumulator values.\n\t     * @param {Function} toIteratee The function to resolve iteratees.\n\t     * @returns {Function} Returns the new inverter function.\n\t     */\n\t    function createInverter(setter, toIteratee) {\n\t      return function(object, iteratee) {\n\t        return baseInverter(object, setter, toIteratee(iteratee), {});\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a mathematical operation on two values.\n\t     *\n\t     * @private\n\t     * @param {Function} operator The function to perform the operation.\n\t     * @param {number} [defaultValue] The value used for `undefined` arguments.\n\t     * @returns {Function} Returns the new mathematical operation function.\n\t     */\n\t    function createMathOperation(operator, defaultValue) {\n\t      return function(value, other) {\n\t        var result;\n\t        if (value === undefined && other === undefined) {\n\t          return defaultValue;\n\t        }\n\t        if (value !== undefined) {\n\t          result = value;\n\t        }\n\t        if (other !== undefined) {\n\t          if (result === undefined) {\n\t            return other;\n\t          }\n\t          if (typeof value == 'string' || typeof other == 'string') {\n\t            value = baseToString(value);\n\t            other = baseToString(other);\n\t          } else {\n\t            value = baseToNumber(value);\n\t            other = baseToNumber(other);\n\t          }\n\t          result = operator(value, other);\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.over`.\n\t     *\n\t     * @private\n\t     * @param {Function} arrayFunc The function to iterate over iteratees.\n\t     * @returns {Function} Returns the new over function.\n\t     */\n\t    function createOver(arrayFunc) {\n\t      return flatRest(function(iteratees) {\n\t        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n\t        return baseRest(function(args) {\n\t          var thisArg = this;\n\t          return arrayFunc(iteratees, function(iteratee) {\n\t            return apply(iteratee, thisArg, args);\n\t          });\n\t        });\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates the padding for `string` based on `length`. The `chars` string\n\t     * is truncated if the number of characters exceeds `length`.\n\t     *\n\t     * @private\n\t     * @param {number} length The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padding for `string`.\n\t     */\n\t    function createPadding(length, chars) {\n\t      chars = chars === undefined ? ' ' : baseToString(chars);\n\t\n\t      var charsLength = chars.length;\n\t      if (charsLength < 2) {\n\t        return charsLength ? baseRepeat(chars, length) : chars;\n\t      }\n\t      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n\t      return hasUnicode(chars)\n\t        ? castSlice(stringToArray(result), 0, length).join('')\n\t        : result.slice(0, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with the `this` binding\n\t     * of `thisArg` and `partials` prepended to the arguments it receives.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} thisArg The `this` binding of `func`.\n\t     * @param {Array} partials The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createPartial(func, bitmask, thisArg, partials) {\n\t      var isBind = bitmask & WRAP_BIND_FLAG,\n\t          Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var argsIndex = -1,\n\t            argsLength = arguments.length,\n\t            leftIndex = -1,\n\t            leftLength = partials.length,\n\t            args = Array(leftLength + argsLength),\n\t            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t\n\t        while (++leftIndex < leftLength) {\n\t          args[leftIndex] = partials[leftIndex];\n\t        }\n\t        while (argsLength--) {\n\t          args[leftIndex++] = arguments[++argsIndex];\n\t        }\n\t        return apply(fn, isBind ? thisArg : this, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.range` or `_.rangeRight` function.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new range function.\n\t     */\n\t    function createRange(fromRight) {\n\t      return function(start, end, step) {\n\t        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n\t          end = step = undefined;\n\t        }\n\t        // Ensure the sign of `-0` is preserved.\n\t        start = toFinite(start);\n\t        if (end === undefined) {\n\t          end = start;\n\t          start = 0;\n\t        } else {\n\t          end = toFinite(end);\n\t        }\n\t        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n\t        return baseRange(start, end, step, fromRight);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a relational operation on two values.\n\t     *\n\t     * @private\n\t     * @param {Function} operator The function to perform the operation.\n\t     * @returns {Function} Returns the new relational operation function.\n\t     */\n\t    function createRelationalOperation(operator) {\n\t      return function(value, other) {\n\t        if (!(typeof value == 'string' && typeof other == 'string')) {\n\t          value = toNumber(value);\n\t          other = toNumber(other);\n\t        }\n\t        return operator(value, other);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to continue currying.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {Function} wrapFunc The function to create the `func` wrapper.\n\t     * @param {*} placeholder The placeholder value.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n\t      var isCurry = bitmask & WRAP_CURRY_FLAG,\n\t          newHolders = isCurry ? holders : undefined,\n\t          newHoldersRight = isCurry ? undefined : holders,\n\t          newPartials = isCurry ? partials : undefined,\n\t          newPartialsRight = isCurry ? undefined : partials;\n\t\n\t      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n\t      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\t\n\t      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n\t        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n\t      }\n\t      var newData = [\n\t        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n\t        newHoldersRight, argPos, ary, arity\n\t      ];\n\t\n\t      var result = wrapFunc.apply(undefined, newData);\n\t      if (isLaziable(func)) {\n\t        setData(result, newData);\n\t      }\n\t      result.placeholder = placeholder;\n\t      return setWrapToString(result, func, bitmask);\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.round`.\n\t     *\n\t     * @private\n\t     * @param {string} methodName The name of the `Math` method to use when rounding.\n\t     * @returns {Function} Returns the new round function.\n\t     */\n\t    function createRound(methodName) {\n\t      var func = Math[methodName];\n\t      return function(number, precision) {\n\t        number = toNumber(number);\n\t        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n\t        if (precision) {\n\t          // Shift with exponential notation to avoid floating-point issues.\n\t          // See [MDN](https://mdn.io/round#Examples) for more details.\n\t          var pair = (toString(number) + 'e').split('e'),\n\t              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\t\n\t          pair = (toString(value) + 'e').split('e');\n\t          return +(pair[0] + 'e' + (+pair[1] - precision));\n\t        }\n\t        return func(number);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a set object of `values`.\n\t     *\n\t     * @private\n\t     * @param {Array} values The values to add to the set.\n\t     * @returns {Object} Returns the new set.\n\t     */\n\t    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n\t      return new Set(values);\n\t    };\n\t\n\t    /**\n\t     * Creates a `_.toPairs` or `_.toPairsIn` function.\n\t     *\n\t     * @private\n\t     * @param {Function} keysFunc The function to get the keys of a given object.\n\t     * @returns {Function} Returns the new pairs function.\n\t     */\n\t    function createToPairs(keysFunc) {\n\t      return function(object) {\n\t        var tag = getTag(object);\n\t        if (tag == mapTag) {\n\t          return mapToArray(object);\n\t        }\n\t        if (tag == setTag) {\n\t          return setToPairs(object);\n\t        }\n\t        return baseToPairs(object, keysFunc(object));\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that either curries or invokes `func` with optional\n\t     * `this` binding and partially applied arguments.\n\t     *\n\t     * @private\n\t     * @param {Function|string} func The function or method name to wrap.\n\t     * @param {number} bitmask The bitmask flags.\n\t     *    1 - `_.bind`\n\t     *    2 - `_.bindKey`\n\t     *    4 - `_.curry` or `_.curryRight` of a bound function\n\t     *    8 - `_.curry`\n\t     *   16 - `_.curryRight`\n\t     *   32 - `_.partial`\n\t     *   64 - `_.partialRight`\n\t     *  128 - `_.rearg`\n\t     *  256 - `_.ary`\n\t     *  512 - `_.flip`\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to be partially applied.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n\t      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n\t      if (!isBindKey && typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      var length = partials ? partials.length : 0;\n\t      if (!length) {\n\t        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n\t        partials = holders = undefined;\n\t      }\n\t      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n\t      arity = arity === undefined ? arity : toInteger(arity);\n\t      length -= holders ? holders.length : 0;\n\t\n\t      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n\t        var partialsRight = partials,\n\t            holdersRight = holders;\n\t\n\t        partials = holders = undefined;\n\t      }\n\t      var data = isBindKey ? undefined : getData(func);\n\t\n\t      var newData = [\n\t        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n\t        argPos, ary, arity\n\t      ];\n\t\n\t      if (data) {\n\t        mergeData(newData, data);\n\t      }\n\t      func = newData[0];\n\t      bitmask = newData[1];\n\t      thisArg = newData[2];\n\t      partials = newData[3];\n\t      holders = newData[4];\n\t      arity = newData[9] = newData[9] === undefined\n\t        ? (isBindKey ? 0 : func.length)\n\t        : nativeMax(newData[9] - length, 0);\n\t\n\t      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n\t        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n\t      }\n\t      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n\t        var result = createBind(func, bitmask, thisArg);\n\t      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n\t        result = createCurry(func, bitmask, arity);\n\t      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n\t        result = createPartial(func, bitmask, thisArg, partials);\n\t      } else {\n\t        result = createHybrid.apply(undefined, newData);\n\t      }\n\t      var setter = data ? baseSetData : setData;\n\t      return setWrapToString(setter(result, newData), func, bitmask);\n\t    }\n\t\n\t    /**\n\t     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n\t     * of source objects to the destination object for all destination properties\n\t     * that resolve to `undefined`.\n\t     *\n\t     * @private\n\t     * @param {*} objValue The destination value.\n\t     * @param {*} srcValue The source value.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {Object} object The parent object of `objValue`.\n\t     * @returns {*} Returns the value to assign.\n\t     */\n\t    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n\t      if (objValue === undefined ||\n\t          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n\t        return srcValue;\n\t      }\n\t      return objValue;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n\t     * objects into destination objects that are passed thru.\n\t     *\n\t     * @private\n\t     * @param {*} objValue The destination value.\n\t     * @param {*} srcValue The source value.\n\t     * @param {string} key The key of the property to merge.\n\t     * @param {Object} object The parent object of `objValue`.\n\t     * @param {Object} source The parent object of `srcValue`.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     * @returns {*} Returns the value to assign.\n\t     */\n\t    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n\t      if (isObject(objValue) && isObject(srcValue)) {\n\t        // Recursively merge objects and arrays (susceptible to call stack limits).\n\t        stack.set(srcValue, objValue);\n\t        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n\t        stack['delete'](srcValue);\n\t      }\n\t      return objValue;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n\t     * objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @param {string} key The key of the property to inspect.\n\t     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n\t     */\n\t    function customOmitClone(value) {\n\t      return isPlainObject(value) ? undefined : value;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for arrays with support for\n\t     * partial deep comparisons.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to compare.\n\t     * @param {Array} other The other array to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `array` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n\t     */\n\t    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n\t      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n\t          arrLength = array.length,\n\t          othLength = other.length;\n\t\n\t      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n\t        return false;\n\t      }\n\t      // Assume cyclic values are equal.\n\t      var stacked = stack.get(array);\n\t      if (stacked && stack.get(other)) {\n\t        return stacked == other;\n\t      }\n\t      var index = -1,\n\t          result = true,\n\t          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\t\n\t      stack.set(array, other);\n\t      stack.set(other, array);\n\t\n\t      // Ignore non-index properties.\n\t      while (++index < arrLength) {\n\t        var arrValue = array[index],\n\t            othValue = other[index];\n\t\n\t        if (customizer) {\n\t          var compared = isPartial\n\t            ? customizer(othValue, arrValue, index, other, array, stack)\n\t            : customizer(arrValue, othValue, index, array, other, stack);\n\t        }\n\t        if (compared !== undefined) {\n\t          if (compared) {\n\t            continue;\n\t          }\n\t          result = false;\n\t          break;\n\t        }\n\t        // Recursively compare arrays (susceptible to call stack limits).\n\t        if (seen) {\n\t          if (!arraySome(other, function(othValue, othIndex) {\n\t                if (!cacheHas(seen, othIndex) &&\n\t                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n\t                  return seen.push(othIndex);\n\t                }\n\t              })) {\n\t            result = false;\n\t            break;\n\t          }\n\t        } else if (!(\n\t              arrValue === othValue ||\n\t                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n\t            )) {\n\t          result = false;\n\t          break;\n\t        }\n\t      }\n\t      stack['delete'](array);\n\t      stack['delete'](other);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for comparing objects of\n\t     * the same `toStringTag`.\n\t     *\n\t     * **Note:** This function only supports comparing values with tags of\n\t     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {string} tag The `toStringTag` of the objects to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n\t      switch (tag) {\n\t        case dataViewTag:\n\t          if ((object.byteLength != other.byteLength) ||\n\t              (object.byteOffset != other.byteOffset)) {\n\t            return false;\n\t          }\n\t          object = object.buffer;\n\t          other = other.buffer;\n\t\n\t        case arrayBufferTag:\n\t          if ((object.byteLength != other.byteLength) ||\n\t              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n\t            return false;\n\t          }\n\t          return true;\n\t\n\t        case boolTag:\n\t        case dateTag:\n\t        case numberTag:\n\t          // Coerce booleans to `1` or `0` and dates to milliseconds.\n\t          // Invalid dates are coerced to `NaN`.\n\t          return eq(+object, +other);\n\t\n\t        case errorTag:\n\t          return object.name == other.name && object.message == other.message;\n\t\n\t        case regexpTag:\n\t        case stringTag:\n\t          // Coerce regexes to strings and treat strings, primitives and objects,\n\t          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n\t          // for more details.\n\t          return object == (other + '');\n\t\n\t        case mapTag:\n\t          var convert = mapToArray;\n\t\n\t        case setTag:\n\t          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n\t          convert || (convert = setToArray);\n\t\n\t          if (object.size != other.size && !isPartial) {\n\t            return false;\n\t          }\n\t          // Assume cyclic values are equal.\n\t          var stacked = stack.get(object);\n\t          if (stacked) {\n\t            return stacked == other;\n\t          }\n\t          bitmask |= COMPARE_UNORDERED_FLAG;\n\t\n\t          // Recursively compare objects (susceptible to call stack limits).\n\t          stack.set(object, other);\n\t          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n\t          stack['delete'](object);\n\t          return result;\n\t\n\t        case symbolTag:\n\t          if (symbolValueOf) {\n\t            return symbolValueOf.call(object) == symbolValueOf.call(other);\n\t          }\n\t      }\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for objects with support for\n\t     * partial deep comparisons.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n\t      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n\t          objProps = getAllKeys(object),\n\t          objLength = objProps.length,\n\t          othProps = getAllKeys(other),\n\t          othLength = othProps.length;\n\t\n\t      if (objLength != othLength && !isPartial) {\n\t        return false;\n\t      }\n\t      var index = objLength;\n\t      while (index--) {\n\t        var key = objProps[index];\n\t        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n\t          return false;\n\t        }\n\t      }\n\t      // Assume cyclic values are equal.\n\t      var stacked = stack.get(object);\n\t      if (stacked && stack.get(other)) {\n\t        return stacked == other;\n\t      }\n\t      var result = true;\n\t      stack.set(object, other);\n\t      stack.set(other, object);\n\t\n\t      var skipCtor = isPartial;\n\t      while (++index < objLength) {\n\t        key = objProps[index];\n\t        var objValue = object[key],\n\t            othValue = other[key];\n\t\n\t        if (customizer) {\n\t          var compared = isPartial\n\t            ? customizer(othValue, objValue, key, other, object, stack)\n\t            : customizer(objValue, othValue, key, object, other, stack);\n\t        }\n\t        // Recursively compare objects (susceptible to call stack limits).\n\t        if (!(compared === undefined\n\t              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n\t              : compared\n\t            )) {\n\t          result = false;\n\t          break;\n\t        }\n\t        skipCtor || (skipCtor = key == 'constructor');\n\t      }\n\t      if (result && !skipCtor) {\n\t        var objCtor = object.constructor,\n\t            othCtor = other.constructor;\n\t\n\t        // Non `Object` object instances with different constructors are not equal.\n\t        if (objCtor != othCtor &&\n\t            ('constructor' in object && 'constructor' in other) &&\n\t            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n\t              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n\t          result = false;\n\t        }\n\t      }\n\t      stack['delete'](object);\n\t      stack['delete'](other);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseRest` which flattens the rest array.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function flatRest(func) {\n\t      return setToString(overRest(func, undefined, flatten), func + '');\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own enumerable property names and symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function getAllKeys(object) {\n\t      return baseGetAllKeys(object, keys, getSymbols);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own and inherited enumerable property names and\n\t     * symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function getAllKeysIn(object) {\n\t      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n\t    }\n\t\n\t    /**\n\t     * Gets metadata for `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to query.\n\t     * @returns {*} Returns the metadata for `func`.\n\t     */\n\t    var getData = !metaMap ? noop : function(func) {\n\t      return metaMap.get(func);\n\t    };\n\t\n\t    /**\n\t     * Gets the name of `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to query.\n\t     * @returns {string} Returns the function name.\n\t     */\n\t    function getFuncName(func) {\n\t      var result = (func.name + ''),\n\t          array = realNames[result],\n\t          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\t\n\t      while (length--) {\n\t        var data = array[length],\n\t            otherFunc = data.func;\n\t        if (otherFunc == null || otherFunc == func) {\n\t          return data.name;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the argument placeholder value for `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to inspect.\n\t     * @returns {*} Returns the placeholder value.\n\t     */\n\t    function getHolder(func) {\n\t      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n\t      return object.placeholder;\n\t    }\n\t\n\t    /**\n\t     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n\t     * this function returns the custom method, otherwise it returns `baseIteratee`.\n\t     * If arguments are provided, the chosen function is invoked with them and\n\t     * its result is returned.\n\t     *\n\t     * @private\n\t     * @param {*} [value] The value to convert to an iteratee.\n\t     * @param {number} [arity] The arity of the created iteratee.\n\t     * @returns {Function} Returns the chosen function or its result.\n\t     */\n\t    function getIteratee() {\n\t      var result = lodash.iteratee || iteratee;\n\t      result = result === iteratee ? baseIteratee : result;\n\t      return arguments.length ? result(arguments[0], arguments[1]) : result;\n\t    }\n\t\n\t    /**\n\t     * Gets the data for `map`.\n\t     *\n\t     * @private\n\t     * @param {Object} map The map to query.\n\t     * @param {string} key The reference key.\n\t     * @returns {*} Returns the map data.\n\t     */\n\t    function getMapData(map, key) {\n\t      var data = map.__data__;\n\t      return isKeyable(key)\n\t        ? data[typeof key == 'string' ? 'string' : 'hash']\n\t        : data.map;\n\t    }\n\t\n\t    /**\n\t     * Gets the property names, values, and compare flags of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the match data of `object`.\n\t     */\n\t    function getMatchData(object) {\n\t      var result = keys(object),\n\t          length = result.length;\n\t\n\t      while (length--) {\n\t        var key = result[length],\n\t            value = object[key];\n\t\n\t        result[length] = [key, value, isStrictComparable(value)];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the native function at `key` of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {string} key The key of the method to get.\n\t     * @returns {*} Returns the function if it's native, else `undefined`.\n\t     */\n\t    function getNative(object, key) {\n\t      var value = getValue(object, key);\n\t      return baseIsNative(value) ? value : undefined;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the raw `toStringTag`.\n\t     */\n\t    function getRawTag(value) {\n\t      var isOwn = hasOwnProperty.call(value, symToStringTag),\n\t          tag = value[symToStringTag];\n\t\n\t      try {\n\t        value[symToStringTag] = undefined;\n\t        var unmasked = true;\n\t      } catch (e) {}\n\t\n\t      var result = nativeObjectToString.call(value);\n\t      if (unmasked) {\n\t        if (isOwn) {\n\t          value[symToStringTag] = tag;\n\t        } else {\n\t          delete value[symToStringTag];\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own enumerable symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of symbols.\n\t     */\n\t    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n\t      if (object == null) {\n\t        return [];\n\t      }\n\t      object = Object(object);\n\t      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n\t        return propertyIsEnumerable.call(object, symbol);\n\t      });\n\t    };\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of symbols.\n\t     */\n\t    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n\t      var result = [];\n\t      while (object) {\n\t        arrayPush(result, getSymbols(object));\n\t        object = getPrototype(object);\n\t      }\n\t      return result;\n\t    };\n\t\n\t    /**\n\t     * Gets the `toStringTag` of `value`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the `toStringTag`.\n\t     */\n\t    var getTag = baseGetTag;\n\t\n\t    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n\t    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n\t        (Map && getTag(new Map) != mapTag) ||\n\t        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n\t        (Set && getTag(new Set) != setTag) ||\n\t        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n\t      getTag = function(value) {\n\t        var result = baseGetTag(value),\n\t            Ctor = result == objectTag ? value.constructor : undefined,\n\t            ctorString = Ctor ? toSource(Ctor) : '';\n\t\n\t        if (ctorString) {\n\t          switch (ctorString) {\n\t            case dataViewCtorString: return dataViewTag;\n\t            case mapCtorString: return mapTag;\n\t            case promiseCtorString: return promiseTag;\n\t            case setCtorString: return setTag;\n\t            case weakMapCtorString: return weakMapTag;\n\t          }\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n\t     *\n\t     * @private\n\t     * @param {number} start The start of the view.\n\t     * @param {number} end The end of the view.\n\t     * @param {Array} transforms The transformations to apply to the view.\n\t     * @returns {Object} Returns an object containing the `start` and `end`\n\t     *  positions of the view.\n\t     */\n\t    function getView(start, end, transforms) {\n\t      var index = -1,\n\t          length = transforms.length;\n\t\n\t      while (++index < length) {\n\t        var data = transforms[index],\n\t            size = data.size;\n\t\n\t        switch (data.type) {\n\t          case 'drop':      start += size; break;\n\t          case 'dropRight': end -= size; break;\n\t          case 'take':      end = nativeMin(end, start + size); break;\n\t          case 'takeRight': start = nativeMax(start, end - size); break;\n\t        }\n\t      }\n\t      return { 'start': start, 'end': end };\n\t    }\n\t\n\t    /**\n\t     * Extracts wrapper details from the `source` body comment.\n\t     *\n\t     * @private\n\t     * @param {string} source The source to inspect.\n\t     * @returns {Array} Returns the wrapper details.\n\t     */\n\t    function getWrapDetails(source) {\n\t      var match = source.match(reWrapDetails);\n\t      return match ? match[1].split(reSplitDetails) : [];\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` exists on `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @param {Function} hasFunc The function to check properties.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     */\n\t    function hasPath(object, path, hasFunc) {\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length,\n\t          result = false;\n\t\n\t      while (++index < length) {\n\t        var key = toKey(path[index]);\n\t        if (!(result = object != null && hasFunc(object, key))) {\n\t          break;\n\t        }\n\t        object = object[key];\n\t      }\n\t      if (result || ++index != length) {\n\t        return result;\n\t      }\n\t      length = object == null ? 0 : object.length;\n\t      return !!length && isLength(length) && isIndex(key, length) &&\n\t        (isArray(object) || isArguments(object));\n\t    }\n\t\n\t    /**\n\t     * Initializes an array clone.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to clone.\n\t     * @returns {Array} Returns the initialized clone.\n\t     */\n\t    function initCloneArray(array) {\n\t      var length = array.length,\n\t          result = array.constructor(length);\n\t\n\t      // Add properties assigned by `RegExp#exec`.\n\t      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n\t        result.index = array.index;\n\t        result.input = array.input;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Initializes an object clone.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to clone.\n\t     * @returns {Object} Returns the initialized clone.\n\t     */\n\t    function initCloneObject(object) {\n\t      return (typeof object.constructor == 'function' && !isPrototype(object))\n\t        ? baseCreate(getPrototype(object))\n\t        : {};\n\t    }\n\t\n\t    /**\n\t     * Initializes an object clone based on its `toStringTag`.\n\t     *\n\t     * **Note:** This function only supports cloning values with tags of\n\t     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to clone.\n\t     * @param {string} tag The `toStringTag` of the object to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the initialized clone.\n\t     */\n\t    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n\t      var Ctor = object.constructor;\n\t      switch (tag) {\n\t        case arrayBufferTag:\n\t          return cloneArrayBuffer(object);\n\t\n\t        case boolTag:\n\t        case dateTag:\n\t          return new Ctor(+object);\n\t\n\t        case dataViewTag:\n\t          return cloneDataView(object, isDeep);\n\t\n\t        case float32Tag: case float64Tag:\n\t        case int8Tag: case int16Tag: case int32Tag:\n\t        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n\t          return cloneTypedArray(object, isDeep);\n\t\n\t        case mapTag:\n\t          return cloneMap(object, isDeep, cloneFunc);\n\t\n\t        case numberTag:\n\t        case stringTag:\n\t          return new Ctor(object);\n\t\n\t        case regexpTag:\n\t          return cloneRegExp(object);\n\t\n\t        case setTag:\n\t          return cloneSet(object, isDeep, cloneFunc);\n\t\n\t        case symbolTag:\n\t          return cloneSymbol(object);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Inserts wrapper `details` in a comment at the top of the `source` body.\n\t     *\n\t     * @private\n\t     * @param {string} source The source to modify.\n\t     * @returns {Array} details The details to insert.\n\t     * @returns {string} Returns the modified source.\n\t     */\n\t    function insertWrapDetails(source, details) {\n\t      var length = details.length;\n\t      if (!length) {\n\t        return source;\n\t      }\n\t      var lastIndex = length - 1;\n\t      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n\t      details = details.join(length > 2 ? ', ' : ' ');\n\t      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a flattenable `arguments` object or array.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n\t     */\n\t    function isFlattenable(value) {\n\t      return isArray(value) || isArguments(value) ||\n\t        !!(spreadableSymbol && value && value[spreadableSymbol]);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a valid array-like index.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n\t     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n\t     */\n\t    function isIndex(value, length) {\n\t      length = length == null ? MAX_SAFE_INTEGER : length;\n\t      return !!length &&\n\t        (typeof value == 'number' || reIsUint.test(value)) &&\n\t        (value > -1 && value % 1 == 0 && value < length);\n\t    }\n\t\n\t    /**\n\t     * Checks if the given arguments are from an iteratee call.\n\t     *\n\t     * @private\n\t     * @param {*} value The potential iteratee value argument.\n\t     * @param {*} index The potential iteratee index or key argument.\n\t     * @param {*} object The potential iteratee object argument.\n\t     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n\t     *  else `false`.\n\t     */\n\t    function isIterateeCall(value, index, object) {\n\t      if (!isObject(object)) {\n\t        return false;\n\t      }\n\t      var type = typeof index;\n\t      if (type == 'number'\n\t            ? (isArrayLike(object) && isIndex(index, object.length))\n\t            : (type == 'string' && index in object)\n\t          ) {\n\t        return eq(object[index], value);\n\t      }\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a property name and not a property path.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @param {Object} [object] The object to query keys on.\n\t     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n\t     */\n\t    function isKey(value, object) {\n\t      if (isArray(value)) {\n\t        return false;\n\t      }\n\t      var type = typeof value;\n\t      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n\t          value == null || isSymbol(value)) {\n\t        return true;\n\t      }\n\t      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n\t        (object != null && value in Object(object));\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is suitable for use as unique object key.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n\t     */\n\t    function isKeyable(value) {\n\t      var type = typeof value;\n\t      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n\t        ? (value !== '__proto__')\n\t        : (value === null);\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` has a lazy counterpart.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to check.\n\t     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n\t     *  else `false`.\n\t     */\n\t    function isLaziable(func) {\n\t      var funcName = getFuncName(func),\n\t          other = lodash[funcName];\n\t\n\t      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n\t        return false;\n\t      }\n\t      if (func === other) {\n\t        return true;\n\t      }\n\t      var data = getData(other);\n\t      return !!data && func === data[0];\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` has its source masked.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to check.\n\t     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n\t     */\n\t    function isMasked(func) {\n\t      return !!maskSrcKey && (maskSrcKey in func);\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` is capable of being masked.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n\t     */\n\t    var isMaskable = coreJsData ? isFunction : stubFalse;\n\t\n\t    /**\n\t     * Checks if `value` is likely a prototype object.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n\t     */\n\t    function isPrototype(value) {\n\t      var Ctor = value && value.constructor,\n\t          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\t\n\t      return value === proto;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` if suitable for strict\n\t     *  equality comparisons, else `false`.\n\t     */\n\t    function isStrictComparable(value) {\n\t      return value === value && !isObject(value);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `matchesProperty` for source values suitable\n\t     * for strict equality comparisons, i.e. `===`.\n\t     *\n\t     * @private\n\t     * @param {string} key The key of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function matchesStrictComparable(key, srcValue) {\n\t      return function(object) {\n\t        if (object == null) {\n\t          return false;\n\t        }\n\t        return object[key] === srcValue &&\n\t          (srcValue !== undefined || (key in Object(object)));\n\t      };\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.memoize` which clears the memoized function's\n\t     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to have its output memoized.\n\t     * @returns {Function} Returns the new memoized function.\n\t     */\n\t    function memoizeCapped(func) {\n\t      var result = memoize(func, function(key) {\n\t        if (cache.size === MAX_MEMOIZE_SIZE) {\n\t          cache.clear();\n\t        }\n\t        return key;\n\t      });\n\t\n\t      var cache = result.cache;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Merges the function metadata of `source` into `data`.\n\t     *\n\t     * Merging metadata reduces the number of wrappers used to invoke a function.\n\t     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n\t     * may be applied regardless of execution order. Methods like `_.ary` and\n\t     * `_.rearg` modify function arguments, making the order in which they are\n\t     * executed important, preventing the merging of metadata. However, we make\n\t     * an exception for a safe combined case where curried functions have `_.ary`\n\t     * and or `_.rearg` applied.\n\t     *\n\t     * @private\n\t     * @param {Array} data The destination metadata.\n\t     * @param {Array} source The source metadata.\n\t     * @returns {Array} Returns `data`.\n\t     */\n\t    function mergeData(data, source) {\n\t      var bitmask = data[1],\n\t          srcBitmask = source[1],\n\t          newBitmask = bitmask | srcBitmask,\n\t          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\t\n\t      var isCombo =\n\t        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n\t        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n\t        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\t\n\t      // Exit early if metadata can't be merged.\n\t      if (!(isCommon || isCombo)) {\n\t        return data;\n\t      }\n\t      // Use source `thisArg` if available.\n\t      if (srcBitmask & WRAP_BIND_FLAG) {\n\t        data[2] = source[2];\n\t        // Set when currying a bound function.\n\t        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n\t      }\n\t      // Compose partial arguments.\n\t      var value = source[3];\n\t      if (value) {\n\t        var partials = data[3];\n\t        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n\t        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n\t      }\n\t      // Compose partial right arguments.\n\t      value = source[5];\n\t      if (value) {\n\t        partials = data[5];\n\t        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n\t        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n\t      }\n\t      // Use source `argPos` if available.\n\t      value = source[7];\n\t      if (value) {\n\t        data[7] = value;\n\t      }\n\t      // Use source `ary` if it's smaller.\n\t      if (srcBitmask & WRAP_ARY_FLAG) {\n\t        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n\t      }\n\t      // Use source `arity` if one is not provided.\n\t      if (data[9] == null) {\n\t        data[9] = source[9];\n\t      }\n\t      // Use source `func` and merge bitmasks.\n\t      data[0] = source[0];\n\t      data[1] = newBitmask;\n\t\n\t      return data;\n\t    }\n\t\n\t    /**\n\t     * This function is like\n\t     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n\t     * except that it includes inherited enumerable properties.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function nativeKeysIn(object) {\n\t      var result = [];\n\t      if (object != null) {\n\t        for (var key in Object(object)) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a string using `Object.prototype.toString`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to convert.\n\t     * @returns {string} Returns the converted string.\n\t     */\n\t    function objectToString(value) {\n\t      return nativeObjectToString.call(value);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseRest` which transforms the rest array.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @param {Function} transform The rest array transform.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function overRest(func, start, transform) {\n\t      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n\t      return function() {\n\t        var args = arguments,\n\t            index = -1,\n\t            length = nativeMax(args.length - start, 0),\n\t            array = Array(length);\n\t\n\t        while (++index < length) {\n\t          array[index] = args[start + index];\n\t        }\n\t        index = -1;\n\t        var otherArgs = Array(start + 1);\n\t        while (++index < start) {\n\t          otherArgs[index] = args[index];\n\t        }\n\t        otherArgs[start] = transform(array);\n\t        return apply(func, this, otherArgs);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Gets the parent value at `path` of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array} path The path to get the parent value of.\n\t     * @returns {*} Returns the parent value.\n\t     */\n\t    function parent(object, path) {\n\t      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n\t    }\n\t\n\t    /**\n\t     * Reorder `array` according to the specified indexes where the element at\n\t     * the first index is assigned as the first element, the element at\n\t     * the second index is assigned as the second element, and so on.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to reorder.\n\t     * @param {Array} indexes The arranged array indexes.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function reorder(array, indexes) {\n\t      var arrLength = array.length,\n\t          length = nativeMin(indexes.length, arrLength),\n\t          oldArray = copyArray(array);\n\t\n\t      while (length--) {\n\t        var index = indexes[length];\n\t        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Sets metadata for `func`.\n\t     *\n\t     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n\t     * period of time, it will trip its breaker and transition to an identity\n\t     * function to avoid garbage collection pauses in V8. See\n\t     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n\t     * for more details.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to associate metadata with.\n\t     * @param {*} data The metadata.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var setData = shortOut(baseSetData);\n\t\n\t    /**\n\t     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @returns {number|Object} Returns the timer id or timeout object.\n\t     */\n\t    var setTimeout = ctxSetTimeout || function(func, wait) {\n\t      return root.setTimeout(func, wait);\n\t    };\n\t\n\t    /**\n\t     * Sets the `toString` method of `func` to return `string`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to modify.\n\t     * @param {Function} string The `toString` result.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var setToString = shortOut(baseSetToString);\n\t\n\t    /**\n\t     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n\t     * with wrapper details in a comment at the top of the source body.\n\t     *\n\t     * @private\n\t     * @param {Function} wrapper The function to modify.\n\t     * @param {Function} reference The reference function.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @returns {Function} Returns `wrapper`.\n\t     */\n\t    function setWrapToString(wrapper, reference, bitmask) {\n\t      var source = (reference + '');\n\t      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that'll short out and invoke `identity` instead\n\t     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n\t     * milliseconds.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new shortable function.\n\t     */\n\t    function shortOut(func) {\n\t      var count = 0,\n\t          lastCalled = 0;\n\t\n\t      return function() {\n\t        var stamp = nativeNow(),\n\t            remaining = HOT_SPAN - (stamp - lastCalled);\n\t\n\t        lastCalled = stamp;\n\t        if (remaining > 0) {\n\t          if (++count >= HOT_COUNT) {\n\t            return arguments[0];\n\t          }\n\t        } else {\n\t          count = 0;\n\t        }\n\t        return func.apply(undefined, arguments);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to shuffle.\n\t     * @param {number} [size=array.length] The size of `array`.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function shuffleSelf(array, size) {\n\t      var index = -1,\n\t          length = array.length,\n\t          lastIndex = length - 1;\n\t\n\t      size = size === undefined ? length : size;\n\t      while (++index < size) {\n\t        var rand = baseRandom(index, lastIndex),\n\t            value = array[rand];\n\t\n\t        array[rand] = array[index];\n\t        array[index] = value;\n\t      }\n\t      array.length = size;\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to a property path array.\n\t     *\n\t     * @private\n\t     * @param {string} string The string to convert.\n\t     * @returns {Array} Returns the property path array.\n\t     */\n\t    var stringToPath = memoizeCapped(function(string) {\n\t      var result = [];\n\t      if (reLeadingDot.test(string)) {\n\t        result.push('');\n\t      }\n\t      string.replace(rePropName, function(match, number, quote, string) {\n\t        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n\t      });\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Converts `value` to a string key if it's not a string or symbol.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {string|symbol} Returns the key.\n\t     */\n\t    function toKey(value) {\n\t      if (typeof value == 'string' || isSymbol(value)) {\n\t        return value;\n\t      }\n\t      var result = (value + '');\n\t      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t    }\n\t\n\t    /**\n\t     * Converts `func` to its source code.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to convert.\n\t     * @returns {string} Returns the source code.\n\t     */\n\t    function toSource(func) {\n\t      if (func != null) {\n\t        try {\n\t          return funcToString.call(func);\n\t        } catch (e) {}\n\t        try {\n\t          return (func + '');\n\t        } catch (e) {}\n\t      }\n\t      return '';\n\t    }\n\t\n\t    /**\n\t     * Updates wrapper `details` based on `bitmask` flags.\n\t     *\n\t     * @private\n\t     * @returns {Array} details The details to modify.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @returns {Array} Returns `details`.\n\t     */\n\t    function updateWrapDetails(details, bitmask) {\n\t      arrayEach(wrapFlags, function(pair) {\n\t        var value = '_.' + pair[0];\n\t        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n\t          details.push(value);\n\t        }\n\t      });\n\t      return details.sort();\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `wrapper`.\n\t     *\n\t     * @private\n\t     * @param {Object} wrapper The wrapper to clone.\n\t     * @returns {Object} Returns the cloned wrapper.\n\t     */\n\t    function wrapperClone(wrapper) {\n\t      if (wrapper instanceof LazyWrapper) {\n\t        return wrapper.clone();\n\t      }\n\t      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n\t      result.__actions__ = copyArray(wrapper.__actions__);\n\t      result.__index__  = wrapper.__index__;\n\t      result.__values__ = wrapper.__values__;\n\t      return result;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an array of elements split into groups the length of `size`.\n\t     * If `array` can't be split evenly, the final chunk will be the remaining\n\t     * elements.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to process.\n\t     * @param {number} [size=1] The length of each chunk\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the new array of chunks.\n\t     * @example\n\t     *\n\t     * _.chunk(['a', 'b', 'c', 'd'], 2);\n\t     * // => [['a', 'b'], ['c', 'd']]\n\t     *\n\t     * _.chunk(['a', 'b', 'c', 'd'], 3);\n\t     * // => [['a', 'b', 'c'], ['d']]\n\t     */\n\t    function chunk(array, size, guard) {\n\t      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n\t        size = 1;\n\t      } else {\n\t        size = nativeMax(toInteger(size), 0);\n\t      }\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length || size < 1) {\n\t        return [];\n\t      }\n\t      var index = 0,\n\t          resIndex = 0,\n\t          result = Array(nativeCeil(length / size));\n\t\n\t      while (index < length) {\n\t        result[resIndex++] = baseSlice(array, index, (index += size));\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an array with all falsey values removed. The values `false`, `null`,\n\t     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to compact.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.compact([0, 1, false, 2, '', 3]);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function compact(array) {\n\t      var index = -1,\n\t          length = array == null ? 0 : array.length,\n\t          resIndex = 0,\n\t          result = [];\n\t\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (value) {\n\t          result[resIndex++] = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a new array concatenating `array` with any additional arrays\n\t     * and/or values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to concatenate.\n\t     * @param {...*} [values] The values to concatenate.\n\t     * @returns {Array} Returns the new concatenated array.\n\t     * @example\n\t     *\n\t     * var array = [1];\n\t     * var other = _.concat(array, 2, [3], [[4]]);\n\t     *\n\t     * console.log(other);\n\t     * // => [1, 2, 3, [4]]\n\t     *\n\t     * console.log(array);\n\t     * // => [1]\n\t     */\n\t    function concat() {\n\t      var length = arguments.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      var args = Array(length - 1),\n\t          array = arguments[0],\n\t          index = length;\n\t\n\t      while (index--) {\n\t        args[index - 1] = arguments[index];\n\t      }\n\t      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of `array` values not included in the other given arrays\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. The order and references of result values are\n\t     * determined by the first array.\n\t     *\n\t     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.without, _.xor\n\t     * @example\n\t     *\n\t     * _.difference([2, 1], [2, 3]);\n\t     * // => [1]\n\t     */\n\t    var difference = baseRest(function(array, values) {\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.difference` except that it accepts `iteratee` which\n\t     * is invoked for each element of `array` and `values` to generate the criterion\n\t     * by which they're compared. The order and references of result values are\n\t     * determined by the first array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    var differenceBy = baseRest(function(array, values) {\n\t      var iteratee = last(values);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.difference` except that it accepts `comparator`\n\t     * which is invoked to compare elements of `array` to `values`. The order and\n\t     * references of result values are determined by the first array. The comparator\n\t     * is invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     *\n\t     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n\t     * // => [{ 'x': 2, 'y': 1 }]\n\t     */\n\t    var differenceWith = baseRest(function(array, values) {\n\t      var comparator = last(values);\n\t      if (isArrayLikeObject(comparator)) {\n\t        comparator = undefined;\n\t      }\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements dropped from the beginning.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to drop.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.drop([1, 2, 3]);\n\t     * // => [2, 3]\n\t     *\n\t     * _.drop([1, 2, 3], 2);\n\t     * // => [3]\n\t     *\n\t     * _.drop([1, 2, 3], 5);\n\t     * // => []\n\t     *\n\t     * _.drop([1, 2, 3], 0);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function drop(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      return baseSlice(array, n < 0 ? 0 : n, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements dropped from the end.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to drop.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.dropRight([1, 2, 3]);\n\t     * // => [1, 2]\n\t     *\n\t     * _.dropRight([1, 2, 3], 2);\n\t     * // => [1]\n\t     *\n\t     * _.dropRight([1, 2, 3], 5);\n\t     * // => []\n\t     *\n\t     * _.dropRight([1, 2, 3], 0);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function dropRight(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      n = length - n;\n\t      return baseSlice(array, 0, n < 0 ? 0 : n);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` excluding elements dropped from the end.\n\t     * Elements are dropped until `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.dropRightWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.dropRightWhile(users, ['active', false]);\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.dropRightWhile(users, 'active');\n\t     * // => objects for ['barney', 'fred', 'pebbles']\n\t     */\n\t    function dropRightWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` excluding elements dropped from the beginning.\n\t     * Elements are dropped until `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.dropWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.dropWhile(users, ['active', false]);\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.dropWhile(users, 'active');\n\t     * // => objects for ['barney', 'fred', 'pebbles']\n\t     */\n\t    function dropWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Fills elements of `array` with `value` from `start` up to, but not\n\t     * including, `end`.\n\t     *\n\t     * **Note:** This method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Array\n\t     * @param {Array} array The array to fill.\n\t     * @param {*} value The value to fill `array` with.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _.fill(array, 'a');\n\t     * console.log(array);\n\t     * // => ['a', 'a', 'a']\n\t     *\n\t     * _.fill(Array(3), 2);\n\t     * // => [2, 2, 2]\n\t     *\n\t     * _.fill([4, 6, 8, 10], '*', 1, 3);\n\t     * // => [4, '*', '*', 10]\n\t     */\n\t    function fill(array, value, start, end) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n\t        start = 0;\n\t        end = length;\n\t      }\n\t      return baseFill(array, value, start, end);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.find` except that it returns the index of the first\n\t     * element `predicate` returns truthy for instead of the element itself.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {number} Returns the index of the found element, else `-1`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n\t     * // => 0\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findIndex(users, { 'user': 'fred', 'active': false });\n\t     * // => 1\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findIndex(users, ['active', false]);\n\t     * // => 0\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findIndex(users, 'active');\n\t     * // => 2\n\t     */\n\t    function findIndex(array, predicate, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\t      if (index < 0) {\n\t        index = nativeMax(length + index, 0);\n\t      }\n\t      return baseFindIndex(array, getIteratee(predicate, 3), index);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.findIndex` except that it iterates over elements\n\t     * of `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=array.length-1] The index to search from.\n\t     * @returns {number} Returns the index of the found element, else `-1`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n\t     * // => 2\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n\t     * // => 0\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findLastIndex(users, ['active', false]);\n\t     * // => 2\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findLastIndex(users, 'active');\n\t     * // => 0\n\t     */\n\t    function findLastIndex(array, predicate, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = length - 1;\n\t      if (fromIndex !== undefined) {\n\t        index = toInteger(fromIndex);\n\t        index = fromIndex < 0\n\t          ? nativeMax(length + index, 0)\n\t          : nativeMin(index, length - 1);\n\t      }\n\t      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n\t    }\n\t\n\t    /**\n\t     * Flattens `array` a single level deep.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * _.flatten([1, [2, [3, [4]], 5]]);\n\t     * // => [1, 2, [3, [4]], 5]\n\t     */\n\t    function flatten(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseFlatten(array, 1) : [];\n\t    }\n\t\n\t    /**\n\t     * Recursively flattens `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n\t     * // => [1, 2, 3, 4, 5]\n\t     */\n\t    function flattenDeep(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseFlatten(array, INFINITY) : [];\n\t    }\n\t\n\t    /**\n\t     * Recursively flatten `array` up to `depth` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.4.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @param {number} [depth=1] The maximum recursion depth.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * var array = [1, [2, [3, [4]], 5]];\n\t     *\n\t     * _.flattenDepth(array, 1);\n\t     * // => [1, 2, [3, [4]], 5]\n\t     *\n\t     * _.flattenDepth(array, 2);\n\t     * // => [1, 2, 3, [4], 5]\n\t     */\n\t    function flattenDepth(array, depth) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      depth = depth === undefined ? 1 : toInteger(depth);\n\t      return baseFlatten(array, depth);\n\t    }\n\t\n\t    /**\n\t     * The inverse of `_.toPairs`; this method returns an object composed\n\t     * from key-value `pairs`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} pairs The key-value pairs.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.fromPairs([['a', 1], ['b', 2]]);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    function fromPairs(pairs) {\n\t      var index = -1,\n\t          length = pairs == null ? 0 : pairs.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var pair = pairs[index];\n\t        result[pair[0]] = pair[1];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the first element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias first\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {*} Returns the first element of `array`.\n\t     * @example\n\t     *\n\t     * _.head([1, 2, 3]);\n\t     * // => 1\n\t     *\n\t     * _.head([]);\n\t     * // => undefined\n\t     */\n\t    function head(array) {\n\t      return (array && array.length) ? array[0] : undefined;\n\t    }\n\t\n\t    /**\n\t     * Gets the index at which the first occurrence of `value` is found in `array`\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. If `fromIndex` is negative, it's used as the\n\t     * offset from the end of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.indexOf([1, 2, 1, 2], 2);\n\t     * // => 1\n\t     *\n\t     * // Search from the `fromIndex`.\n\t     * _.indexOf([1, 2, 1, 2], 2, 2);\n\t     * // => 3\n\t     */\n\t    function indexOf(array, value, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\t      if (index < 0) {\n\t        index = nativeMax(length + index, 0);\n\t      }\n\t      return baseIndexOf(array, value, index);\n\t    }\n\t\n\t    /**\n\t     * Gets all but the last element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.initial([1, 2, 3]);\n\t     * // => [1, 2]\n\t     */\n\t    function initial(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseSlice(array, 0, -1) : [];\n\t    }\n\t\n\t    /**\n\t     * Creates an array of unique values that are included in all given arrays\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. The order and references of result values are\n\t     * determined by the first array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * _.intersection([2, 1], [2, 3]);\n\t     * // => [2]\n\t     */\n\t    var intersection = baseRest(function(arrays) {\n\t      var mapped = arrayMap(arrays, castArrayLikeObject);\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.intersection` except that it accepts `iteratee`\n\t     * which is invoked for each element of each `arrays` to generate the criterion\n\t     * by which they're compared. The order and references of result values are\n\t     * determined by the first array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [2.1]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }]\n\t     */\n\t    var intersectionBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays),\n\t          mapped = arrayMap(arrays, castArrayLikeObject);\n\t\n\t      if (iteratee === last(mapped)) {\n\t        iteratee = undefined;\n\t      } else {\n\t        mapped.pop();\n\t      }\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.intersection` except that it accepts `comparator`\n\t     * which is invoked to compare elements of `arrays`. The order and references\n\t     * of result values are determined by the first array. The comparator is\n\t     * invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.intersectionWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }]\n\t     */\n\t    var intersectionWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays),\n\t          mapped = arrayMap(arrays, castArrayLikeObject);\n\t\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      if (comparator) {\n\t        mapped.pop();\n\t      }\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped, undefined, comparator)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Converts all elements in `array` into a string separated by `separator`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to convert.\n\t     * @param {string} [separator=','] The element separator.\n\t     * @returns {string} Returns the joined string.\n\t     * @example\n\t     *\n\t     * _.join(['a', 'b', 'c'], '~');\n\t     * // => 'a~b~c'\n\t     */\n\t    function join(array, separator) {\n\t      return array == null ? '' : nativeJoin.call(array, separator);\n\t    }\n\t\n\t    /**\n\t     * Gets the last element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {*} Returns the last element of `array`.\n\t     * @example\n\t     *\n\t     * _.last([1, 2, 3]);\n\t     * // => 3\n\t     */\n\t    function last(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? array[length - 1] : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.indexOf` except that it iterates over elements of\n\t     * `array` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=array.length-1] The index to search from.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.lastIndexOf([1, 2, 1, 2], 2);\n\t     * // => 3\n\t     *\n\t     * // Search from the `fromIndex`.\n\t     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n\t     * // => 1\n\t     */\n\t    function lastIndexOf(array, value, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = length;\n\t      if (fromIndex !== undefined) {\n\t        index = toInteger(fromIndex);\n\t        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n\t      }\n\t      return value === value\n\t        ? strictLastIndexOf(array, value, index)\n\t        : baseFindIndex(array, baseIsNaN, index, true);\n\t    }\n\t\n\t    /**\n\t     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n\t     * element from the end is returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.11.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=0] The index of the element to return.\n\t     * @returns {*} Returns the nth element of `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'd'];\n\t     *\n\t     * _.nth(array, 1);\n\t     * // => 'b'\n\t     *\n\t     * _.nth(array, -2);\n\t     * // => 'c';\n\t     */\n\t    function nth(array, n) {\n\t      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n\t    }\n\t\n\t    /**\n\t     * Removes all given values from `array` using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n\t     * to remove elements from an array by predicate.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {...*} [values] The values to remove.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n\t     *\n\t     * _.pull(array, 'a', 'c');\n\t     * console.log(array);\n\t     * // => ['b', 'b']\n\t     */\n\t    var pull = baseRest(pullAll);\n\t\n\t    /**\n\t     * This method is like `_.pull` except that it accepts an array of values to remove.\n\t     *\n\t     * **Note:** Unlike `_.difference`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n\t     *\n\t     * _.pullAll(array, ['a', 'c']);\n\t     * console.log(array);\n\t     * // => ['b', 'b']\n\t     */\n\t    function pullAll(array, values) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values)\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n\t     * invoked for each element of `array` and `values` to generate the criterion\n\t     * by which they're compared. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n\t     *\n\t     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n\t     * console.log(array);\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    function pullAllBy(array, values, iteratee) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values, getIteratee(iteratee, 2))\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.pullAll` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `array` to `values`. The comparator is\n\t     * invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n\t     *\n\t     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n\t     * console.log(array);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n\t     */\n\t    function pullAllWith(array, values, comparator) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values, undefined, comparator)\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * Removes elements from `array` corresponding to `indexes` and returns an\n\t     * array of removed elements.\n\t     *\n\t     * **Note:** Unlike `_.at`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n\t     * @returns {Array} Returns the new array of removed elements.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'd'];\n\t     * var pulled = _.pullAt(array, [1, 3]);\n\t     *\n\t     * console.log(array);\n\t     * // => ['a', 'c']\n\t     *\n\t     * console.log(pulled);\n\t     * // => ['b', 'd']\n\t     */\n\t    var pullAt = flatRest(function(array, indexes) {\n\t      var length = array == null ? 0 : array.length,\n\t          result = baseAt(array, indexes);\n\t\n\t      basePullAt(array, arrayMap(indexes, function(index) {\n\t        return isIndex(index, length) ? +index : index;\n\t      }).sort(compareAscending));\n\t\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Removes all elements from `array` that `predicate` returns truthy for\n\t     * and returns an array of the removed elements. The predicate is invoked\n\t     * with three arguments: (value, index, array).\n\t     *\n\t     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n\t     * to pull elements from an array by value.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new array of removed elements.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3, 4];\n\t     * var evens = _.remove(array, function(n) {\n\t     *   return n % 2 == 0;\n\t     * });\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 3]\n\t     *\n\t     * console.log(evens);\n\t     * // => [2, 4]\n\t     */\n\t    function remove(array, predicate) {\n\t      var result = [];\n\t      if (!(array && array.length)) {\n\t        return result;\n\t      }\n\t      var index = -1,\n\t          indexes = [],\n\t          length = array.length;\n\t\n\t      predicate = getIteratee(predicate, 3);\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (predicate(value, index, array)) {\n\t          result.push(value);\n\t          indexes.push(index);\n\t        }\n\t      }\n\t      basePullAt(array, indexes);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Reverses `array` so that the first element becomes the last, the second\n\t     * element becomes the second to last, and so on.\n\t     *\n\t     * **Note:** This method mutates `array` and is based on\n\t     * [`Array#reverse`](https://mdn.io/Array/reverse).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _.reverse(array);\n\t     * // => [3, 2, 1]\n\t     *\n\t     * console.log(array);\n\t     * // => [3, 2, 1]\n\t     */\n\t    function reverse(array) {\n\t      return array == null ? array : nativeReverse.call(array);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` from `start` up to, but not including, `end`.\n\t     *\n\t     * **Note:** This method is used instead of\n\t     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n\t     * returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to slice.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function slice(array, start, end) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n\t        start = 0;\n\t        end = length;\n\t      }\n\t      else {\n\t        start = start == null ? 0 : toInteger(start);\n\t        end = end === undefined ? length : toInteger(end);\n\t      }\n\t      return baseSlice(array, start, end);\n\t    }\n\t\n\t    /**\n\t     * Uses a binary search to determine the lowest index at which `value`\n\t     * should be inserted into `array` in order to maintain its sort order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * _.sortedIndex([30, 50], 40);\n\t     * // => 1\n\t     */\n\t    function sortedIndex(array, value) {\n\t      return baseSortedIndex(array, value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n\t     * which is invoked for `value` and each element of `array` to compute their\n\t     * sort ranking. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n\t     *\n\t     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n\t     * // => 0\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n\t     * // => 0\n\t     */\n\t    function sortedIndexBy(array, value, iteratee) {\n\t      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.indexOf` except that it performs a binary\n\t     * search on a sorted `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n\t     * // => 1\n\t     */\n\t    function sortedIndexOf(array, value) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (length) {\n\t        var index = baseSortedIndex(array, value);\n\t        if (index < length && eq(array[index], value)) {\n\t          return index;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedIndex` except that it returns the highest\n\t     * index at which `value` should be inserted into `array` in order to\n\t     * maintain its sort order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n\t     * // => 4\n\t     */\n\t    function sortedLastIndex(array, value) {\n\t      return baseSortedIndex(array, value, true);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n\t     * which is invoked for `value` and each element of `array` to compute their\n\t     * sort ranking. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n\t     *\n\t     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n\t     * // => 1\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n\t     * // => 1\n\t     */\n\t    function sortedLastIndexBy(array, value, iteratee) {\n\t      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.lastIndexOf` except that it performs a binary\n\t     * search on a sorted `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n\t     * // => 3\n\t     */\n\t    function sortedLastIndexOf(array, value) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (length) {\n\t        var index = baseSortedIndex(array, value, true) - 1;\n\t        if (eq(array[index], value)) {\n\t          return index;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it's designed and optimized\n\t     * for sorted arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.sortedUniq([1, 1, 2]);\n\t     * // => [1, 2]\n\t     */\n\t    function sortedUniq(array) {\n\t      return (array && array.length)\n\t        ? baseSortedUniq(array)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniqBy` except that it's designed and optimized\n\t     * for sorted arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n\t     * // => [1.1, 2.3]\n\t     */\n\t    function sortedUniqBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Gets all but the first element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.tail([1, 2, 3]);\n\t     * // => [2, 3]\n\t     */\n\t    function tail(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseSlice(array, 1, length) : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements taken from the beginning.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to take.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.take([1, 2, 3]);\n\t     * // => [1]\n\t     *\n\t     * _.take([1, 2, 3], 2);\n\t     * // => [1, 2]\n\t     *\n\t     * _.take([1, 2, 3], 5);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * _.take([1, 2, 3], 0);\n\t     * // => []\n\t     */\n\t    function take(array, n, guard) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      return baseSlice(array, 0, n < 0 ? 0 : n);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements taken from the end.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to take.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.takeRight([1, 2, 3]);\n\t     * // => [3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 2);\n\t     * // => [2, 3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 5);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 0);\n\t     * // => []\n\t     */\n\t    function takeRight(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      n = length - n;\n\t      return baseSlice(array, n < 0 ? 0 : n, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with elements taken from the end. Elements are\n\t     * taken until `predicate` returns falsey. The predicate is invoked with\n\t     * three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.takeRightWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.takeRightWhile(users, ['active', false]);\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.takeRightWhile(users, 'active');\n\t     * // => []\n\t     */\n\t    function takeRightWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with elements taken from the beginning. Elements\n\t     * are taken until `predicate` returns falsey. The predicate is invoked with\n\t     * three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.takeWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.takeWhile(users, ['active', false]);\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.takeWhile(users, 'active');\n\t     * // => []\n\t     */\n\t    function takeWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3))\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates an array of unique values, in order, from all given arrays using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * _.union([2], [1, 2]);\n\t     * // => [2, 1]\n\t     */\n\t    var union = baseRest(function(arrays) {\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.union` except that it accepts `iteratee` which is\n\t     * invoked for each element of each `arrays` to generate the criterion by\n\t     * which uniqueness is computed. Result values are chosen from the first\n\t     * array in which the value occurs. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n\t     * // => [2.1, 1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }, { 'x': 2 }]\n\t     */\n\t    var unionBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.union` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `arrays`. Result values are chosen from\n\t     * the first array in which the value occurs. The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.unionWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n\t     */\n\t    var unionWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays);\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n\t    });\n\t\n\t    /**\n\t     * Creates a duplicate-free version of an array, using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons, in which only the first occurrence of each element\n\t     * is kept. The order of result values is determined by the order they occur\n\t     * in the array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.uniq([2, 1, 2]);\n\t     * // => [2, 1]\n\t     */\n\t    function uniq(array) {\n\t      return (array && array.length) ? baseUniq(array) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * uniqueness is computed. The order of result values is determined by the\n\t     * order they occur in the array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n\t     * // => [2.1, 1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }, { 'x': 2 }]\n\t     */\n\t    function uniqBy(array, iteratee) {\n\t      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `array`. The order of result values is\n\t     * determined by the order they occur in the array.The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.uniqWith(objects, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n\t     */\n\t    function uniqWith(array, comparator) {\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zip` except that it accepts an array of grouped\n\t     * elements and creates an array regrouping the elements to their pre-zip\n\t     * configuration.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.2.0\n\t     * @category Array\n\t     * @param {Array} array The array of grouped elements to process.\n\t     * @returns {Array} Returns the new array of regrouped elements.\n\t     * @example\n\t     *\n\t     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n\t     * // => [['a', 1, true], ['b', 2, false]]\n\t     *\n\t     * _.unzip(zipped);\n\t     * // => [['a', 'b'], [1, 2], [true, false]]\n\t     */\n\t    function unzip(array) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      var length = 0;\n\t      array = arrayFilter(array, function(group) {\n\t        if (isArrayLikeObject(group)) {\n\t          length = nativeMax(group.length, length);\n\t          return true;\n\t        }\n\t      });\n\t      return baseTimes(length, function(index) {\n\t        return arrayMap(array, baseProperty(index));\n\t      });\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n\t     * how regrouped values should be combined. The iteratee is invoked with the\n\t     * elements of each group: (...group).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Array\n\t     * @param {Array} array The array of grouped elements to process.\n\t     * @param {Function} [iteratee=_.identity] The function to combine\n\t     *  regrouped values.\n\t     * @returns {Array} Returns the new array of regrouped elements.\n\t     * @example\n\t     *\n\t     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n\t     * // => [[1, 10, 100], [2, 20, 200]]\n\t     *\n\t     * _.unzipWith(zipped, _.add);\n\t     * // => [3, 30, 300]\n\t     */\n\t    function unzipWith(array, iteratee) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      var result = unzip(array);\n\t      if (iteratee == null) {\n\t        return result;\n\t      }\n\t      return arrayMap(result, function(group) {\n\t        return apply(iteratee, undefined, group);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates an array excluding all given values using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * **Note:** Unlike `_.pull`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...*} [values] The values to exclude.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.difference, _.xor\n\t     * @example\n\t     *\n\t     * _.without([2, 1, 2, 3], 1, 2);\n\t     * // => [3]\n\t     */\n\t    var without = baseRest(function(array, values) {\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, values)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Creates an array of unique values that is the\n\t     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n\t     * of the given arrays. The order of result values is determined by the order\n\t     * they occur in the arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.difference, _.without\n\t     * @example\n\t     *\n\t     * _.xor([2, 1], [2, 3]);\n\t     * // => [1, 3]\n\t     */\n\t    var xor = baseRest(function(arrays) {\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.xor` except that it accepts `iteratee` which is\n\t     * invoked for each element of each `arrays` to generate the criterion by\n\t     * which by which they're compared. The order of result values is determined\n\t     * by the order they occur in the arrays. The iteratee is invoked with one\n\t     * argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [1.2, 3.4]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    var xorBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.xor` except that it accepts `comparator` which is\n\t     * invoked to compare elements of `arrays`. The order of result values is\n\t     * determined by the order they occur in the arrays. The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.xorWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n\t     */\n\t    var xorWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays);\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of grouped elements, the first of which contains the\n\t     * first elements of the given arrays, the second of which contains the\n\t     * second elements of the given arrays, and so on.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to process.\n\t     * @returns {Array} Returns the new array of grouped elements.\n\t     * @example\n\t     *\n\t     * _.zip(['a', 'b'], [1, 2], [true, false]);\n\t     * // => [['a', 1, true], ['b', 2, false]]\n\t     */\n\t    var zip = baseRest(unzip);\n\t\n\t    /**\n\t     * This method is like `_.fromPairs` except that it accepts two arrays,\n\t     * one of property identifiers and one of corresponding values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.4.0\n\t     * @category Array\n\t     * @param {Array} [props=[]] The property identifiers.\n\t     * @param {Array} [values=[]] The property values.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.zipObject(['a', 'b'], [1, 2]);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    function zipObject(props, values) {\n\t      return baseZipObject(props || [], values || [], assignValue);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zipObject` except that it supports property paths.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.1.0\n\t     * @category Array\n\t     * @param {Array} [props=[]] The property identifiers.\n\t     * @param {Array} [values=[]] The property values.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n\t     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n\t     */\n\t    function zipObjectDeep(props, values) {\n\t      return baseZipObject(props || [], values || [], baseSet);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zip` except that it accepts `iteratee` to specify\n\t     * how grouped values should be combined. The iteratee is invoked with the\n\t     * elements of each group: (...group).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to process.\n\t     * @param {Function} [iteratee=_.identity] The function to combine\n\t     *  grouped values.\n\t     * @returns {Array} Returns the new array of grouped elements.\n\t     * @example\n\t     *\n\t     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n\t     *   return a + b + c;\n\t     * });\n\t     * // => [111, 222]\n\t     */\n\t    var zipWith = baseRest(function(arrays) {\n\t      var length = arrays.length,\n\t          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\t\n\t      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n\t      return unzipWith(arrays, iteratee);\n\t    });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n\t     * chain sequences enabled. The result of such sequences must be unwrapped\n\t     * with `_#value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.3.0\n\t     * @category Seq\n\t     * @param {*} value The value to wrap.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36 },\n\t     *   { 'user': 'fred',    'age': 40 },\n\t     *   { 'user': 'pebbles', 'age': 1 }\n\t     * ];\n\t     *\n\t     * var youngest = _\n\t     *   .chain(users)\n\t     *   .sortBy('age')\n\t     *   .map(function(o) {\n\t     *     return o.user + ' is ' + o.age;\n\t     *   })\n\t     *   .head()\n\t     *   .value();\n\t     * // => 'pebbles is 1'\n\t     */\n\t    function chain(value) {\n\t      var result = lodash(value);\n\t      result.__chain__ = true;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method invokes `interceptor` and returns `value`. The interceptor\n\t     * is invoked with one argument; (value). The purpose of this method is to\n\t     * \"tap into\" a method chain sequence in order to modify intermediate results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @param {*} value The value to provide to `interceptor`.\n\t     * @param {Function} interceptor The function to invoke.\n\t     * @returns {*} Returns `value`.\n\t     * @example\n\t     *\n\t     * _([1, 2, 3])\n\t     *  .tap(function(array) {\n\t     *    // Mutate input array.\n\t     *    array.pop();\n\t     *  })\n\t     *  .reverse()\n\t     *  .value();\n\t     * // => [2, 1]\n\t     */\n\t    function tap(value, interceptor) {\n\t      interceptor(value);\n\t      return value;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.tap` except that it returns the result of `interceptor`.\n\t     * The purpose of this method is to \"pass thru\" values replacing intermediate\n\t     * results in a method chain sequence.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Seq\n\t     * @param {*} value The value to provide to `interceptor`.\n\t     * @param {Function} interceptor The function to invoke.\n\t     * @returns {*} Returns the result of `interceptor`.\n\t     * @example\n\t     *\n\t     * _('  abc  ')\n\t     *  .chain()\n\t     *  .trim()\n\t     *  .thru(function(value) {\n\t     *    return [value];\n\t     *  })\n\t     *  .value();\n\t     * // => ['abc']\n\t     */\n\t    function thru(value, interceptor) {\n\t      return interceptor(value);\n\t    }\n\t\n\t    /**\n\t     * This method is the wrapper version of `_.at`.\n\t     *\n\t     * @name at\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Seq\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t     *\n\t     * _(object).at(['a[0].b.c', 'a[1]']).value();\n\t     * // => [3, 4]\n\t     */\n\t    var wrapperAt = flatRest(function(paths) {\n\t      var length = paths.length,\n\t          start = length ? paths[0] : 0,\n\t          value = this.__wrapped__,\n\t          interceptor = function(object) { return baseAt(object, paths); };\n\t\n\t      if (length > 1 || this.__actions__.length ||\n\t          !(value instanceof LazyWrapper) || !isIndex(start)) {\n\t        return this.thru(interceptor);\n\t      }\n\t      value = value.slice(start, +start + (length ? 1 : 0));\n\t      value.__actions__.push({\n\t        'func': thru,\n\t        'args': [interceptor],\n\t        'thisArg': undefined\n\t      });\n\t      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n\t        if (length && !array.length) {\n\t          array.push(undefined);\n\t        }\n\t        return array;\n\t      });\n\t    });\n\t\n\t    /**\n\t     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n\t     *\n\t     * @name chain\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36 },\n\t     *   { 'user': 'fred',   'age': 40 }\n\t     * ];\n\t     *\n\t     * // A sequence without explicit chaining.\n\t     * _(users).head();\n\t     * // => { 'user': 'barney', 'age': 36 }\n\t     *\n\t     * // A sequence with explicit chaining.\n\t     * _(users)\n\t     *   .chain()\n\t     *   .head()\n\t     *   .pick('user')\n\t     *   .value();\n\t     * // => { 'user': 'barney' }\n\t     */\n\t    function wrapperChain() {\n\t      return chain(this);\n\t    }\n\t\n\t    /**\n\t     * Executes the chain sequence and returns the wrapped result.\n\t     *\n\t     * @name commit\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var array = [1, 2];\n\t     * var wrapped = _(array).push(3);\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 2]\n\t     *\n\t     * wrapped = wrapped.commit();\n\t     * console.log(array);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * wrapped.last();\n\t     * // => 3\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function wrapperCommit() {\n\t      return new LodashWrapper(this.value(), this.__chain__);\n\t    }\n\t\n\t    /**\n\t     * Gets the next value on a wrapped object following the\n\t     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n\t     *\n\t     * @name next\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the next iterator value.\n\t     * @example\n\t     *\n\t     * var wrapped = _([1, 2]);\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': false, 'value': 1 }\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': false, 'value': 2 }\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': true, 'value': undefined }\n\t     */\n\t    function wrapperNext() {\n\t      if (this.__values__ === undefined) {\n\t        this.__values__ = toArray(this.value());\n\t      }\n\t      var done = this.__index__ >= this.__values__.length,\n\t          value = done ? undefined : this.__values__[this.__index__++];\n\t\n\t      return { 'done': done, 'value': value };\n\t    }\n\t\n\t    /**\n\t     * Enables the wrapper to be iterable.\n\t     *\n\t     * @name Symbol.iterator\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the wrapper object.\n\t     * @example\n\t     *\n\t     * var wrapped = _([1, 2]);\n\t     *\n\t     * wrapped[Symbol.iterator]() === wrapped;\n\t     * // => true\n\t     *\n\t     * Array.from(wrapped);\n\t     * // => [1, 2]\n\t     */\n\t    function wrapperToIterator() {\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n\t     *\n\t     * @name plant\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Seq\n\t     * @param {*} value The value to plant.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var wrapped = _([1, 2]).map(square);\n\t     * var other = wrapped.plant([3, 4]);\n\t     *\n\t     * other.value();\n\t     * // => [9, 16]\n\t     *\n\t     * wrapped.value();\n\t     * // => [1, 4]\n\t     */\n\t    function wrapperPlant(value) {\n\t      var result,\n\t          parent = this;\n\t\n\t      while (parent instanceof baseLodash) {\n\t        var clone = wrapperClone(parent);\n\t        clone.__index__ = 0;\n\t        clone.__values__ = undefined;\n\t        if (result) {\n\t          previous.__wrapped__ = clone;\n\t        } else {\n\t          result = clone;\n\t        }\n\t        var previous = clone;\n\t        parent = parent.__wrapped__;\n\t      }\n\t      previous.__wrapped__ = value;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is the wrapper version of `_.reverse`.\n\t     *\n\t     * **Note:** This method mutates the wrapped array.\n\t     *\n\t     * @name reverse\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _(array).reverse().value()\n\t     * // => [3, 2, 1]\n\t     *\n\t     * console.log(array);\n\t     * // => [3, 2, 1]\n\t     */\n\t    function wrapperReverse() {\n\t      var value = this.__wrapped__;\n\t      if (value instanceof LazyWrapper) {\n\t        var wrapped = value;\n\t        if (this.__actions__.length) {\n\t          wrapped = new LazyWrapper(this);\n\t        }\n\t        wrapped = wrapped.reverse();\n\t        wrapped.__actions__.push({\n\t          'func': thru,\n\t          'args': [reverse],\n\t          'thisArg': undefined\n\t        });\n\t        return new LodashWrapper(wrapped, this.__chain__);\n\t      }\n\t      return this.thru(reverse);\n\t    }\n\t\n\t    /**\n\t     * Executes the chain sequence to resolve the unwrapped value.\n\t     *\n\t     * @name value\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias toJSON, valueOf\n\t     * @category Seq\n\t     * @returns {*} Returns the resolved unwrapped value.\n\t     * @example\n\t     *\n\t     * _([1, 2, 3]).value();\n\t     * // => [1, 2, 3]\n\t     */\n\t    function wrapperValue() {\n\t      return baseWrapperValue(this.__wrapped__, this.__actions__);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The corresponding value of\n\t     * each key is the number of times the key was returned by `iteratee`. The\n\t     * iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n\t     * // => { '4': 1, '6': 2 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.countBy(['one', 'two', 'three'], 'length');\n\t     * // => { '3': 2, '5': 1 }\n\t     */\n\t    var countBy = createAggregator(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, key)) {\n\t        ++result[key];\n\t      } else {\n\t        baseAssignValue(result, key, 1);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n\t     * Iteration is stopped once `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index|key, collection).\n\t     *\n\t     * **Note:** This method returns `true` for\n\t     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n\t     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n\t     * elements of empty collections.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.every([true, 1, null, 'yes'], Boolean);\n\t     * // => false\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': false },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.every(users, { 'user': 'barney', 'active': false });\n\t     * // => false\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.every(users, ['active', false]);\n\t     * // => true\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.every(users, 'active');\n\t     * // => false\n\t     */\n\t    function every(collection, predicate, guard) {\n\t      var func = isArray(collection) ? arrayEvery : baseEvery;\n\t      if (guard && isIterateeCall(collection, predicate, guard)) {\n\t        predicate = undefined;\n\t      }\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection`, returning an array of all elements\n\t     * `predicate` returns truthy for. The predicate is invoked with three\n\t     * arguments: (value, index|key, collection).\n\t     *\n\t     * **Note:** Unlike `_.remove`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     * @see _.reject\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': true },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * _.filter(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.filter(users, { 'age': 36, 'active': true });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.filter(users, ['active', false]);\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.filter(users, 'active');\n\t     * // => objects for ['barney']\n\t     */\n\t    function filter(collection, predicate) {\n\t      var func = isArray(collection) ? arrayFilter : baseFilter;\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection`, returning the first element\n\t     * `predicate` returns truthy for. The predicate is invoked with three\n\t     * arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {*} Returns the matched element, else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36, 'active': true },\n\t     *   { 'user': 'fred',    'age': 40, 'active': false },\n\t     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n\t     * ];\n\t     *\n\t     * _.find(users, function(o) { return o.age < 40; });\n\t     * // => object for 'barney'\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.find(users, { 'age': 1, 'active': true });\n\t     * // => object for 'pebbles'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.find(users, ['active', false]);\n\t     * // => object for 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.find(users, 'active');\n\t     * // => object for 'barney'\n\t     */\n\t    var find = createFind(findIndex);\n\t\n\t    /**\n\t     * This method is like `_.find` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=collection.length-1] The index to search from.\n\t     * @returns {*} Returns the matched element, else `undefined`.\n\t     * @example\n\t     *\n\t     * _.findLast([1, 2, 3, 4], function(n) {\n\t     *   return n % 2 == 1;\n\t     * });\n\t     * // => 3\n\t     */\n\t    var findLast = createFind(findLastIndex);\n\t\n\t    /**\n\t     * Creates a flattened array of values by running each element in `collection`\n\t     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n\t     * with three arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [n, n];\n\t     * }\n\t     *\n\t     * _.flatMap([1, 2], duplicate);\n\t     * // => [1, 1, 2, 2]\n\t     */\n\t    function flatMap(collection, iteratee) {\n\t      return baseFlatten(map(collection, iteratee), 1);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.flatMap` except that it recursively flattens the\n\t     * mapped results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [[[n, n]]];\n\t     * }\n\t     *\n\t     * _.flatMapDeep([1, 2], duplicate);\n\t     * // => [1, 1, 2, 2]\n\t     */\n\t    function flatMapDeep(collection, iteratee) {\n\t      return baseFlatten(map(collection, iteratee), INFINITY);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.flatMap` except that it recursively flattens the\n\t     * mapped results up to `depth` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {number} [depth=1] The maximum recursion depth.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [[[n, n]]];\n\t     * }\n\t     *\n\t     * _.flatMapDepth([1, 2], duplicate, 2);\n\t     * // => [[1, 1], [2, 2]]\n\t     */\n\t    function flatMapDepth(collection, iteratee, depth) {\n\t      depth = depth === undefined ? 1 : toInteger(depth);\n\t      return baseFlatten(map(collection, iteratee), depth);\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n\t     * The iteratee is invoked with three arguments: (value, index|key, collection).\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n\t     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n\t     * or `_.forOwn` for object iteration.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias each\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     * @see _.forEachRight\n\t     * @example\n\t     *\n\t     * _.forEach([1, 2], function(value) {\n\t     *   console.log(value);\n\t     * });\n\t     * // => Logs `1` then `2`.\n\t     *\n\t     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t     */\n\t    function forEach(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayEach : baseEach;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forEach` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @alias eachRight\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     * @see _.forEach\n\t     * @example\n\t     *\n\t     * _.forEachRight([1, 2], function(value) {\n\t     *   console.log(value);\n\t     * });\n\t     * // => Logs `2` then `1`.\n\t     */\n\t    function forEachRight(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The order of grouped values\n\t     * is determined by the order they occur in `collection`. The corresponding\n\t     * value of each key is an array of elements responsible for generating the\n\t     * key. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n\t     * // => { '4': [4.2], '6': [6.1, 6.3] }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.groupBy(['one', 'two', 'three'], 'length');\n\t     * // => { '3': ['one', 'two'], '5': ['three'] }\n\t     */\n\t    var groupBy = createAggregator(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, key)) {\n\t        result[key].push(value);\n\t      } else {\n\t        baseAssignValue(result, key, [value]);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Checks if `value` is in `collection`. If `collection` is a string, it's\n\t     * checked for a substring of `value`, otherwise\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n\t     * the offset from the end of `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object|string} collection The collection to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n\t     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n\t     * @example\n\t     *\n\t     * _.includes([1, 2, 3], 1);\n\t     * // => true\n\t     *\n\t     * _.includes([1, 2, 3], 1, 2);\n\t     * // => false\n\t     *\n\t     * _.includes({ 'a': 1, 'b': 2 }, 1);\n\t     * // => true\n\t     *\n\t     * _.includes('abcd', 'bc');\n\t     * // => true\n\t     */\n\t    function includes(collection, value, fromIndex, guard) {\n\t      collection = isArrayLike(collection) ? collection : values(collection);\n\t      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\t\n\t      var length = collection.length;\n\t      if (fromIndex < 0) {\n\t        fromIndex = nativeMax(length + fromIndex, 0);\n\t      }\n\t      return isString(collection)\n\t        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n\t        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n\t    }\n\t\n\t    /**\n\t     * Invokes the method at `path` of each element in `collection`, returning\n\t     * an array of the results of each invoked method. Any additional arguments\n\t     * are provided to each invoked method. If `path` is a function, it's invoked\n\t     * for, and `this` bound to, each element in `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Array|Function|string} path The path of the method to invoke or\n\t     *  the function invoked per iteration.\n\t     * @param {...*} [args] The arguments to invoke each method with.\n\t     * @returns {Array} Returns the array of results.\n\t     * @example\n\t     *\n\t     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n\t     * // => [[1, 5, 7], [1, 2, 3]]\n\t     *\n\t     * _.invokeMap([123, 456], String.prototype.split, '');\n\t     * // => [['1', '2', '3'], ['4', '5', '6']]\n\t     */\n\t    var invokeMap = baseRest(function(collection, path, args) {\n\t      var index = -1,\n\t          isFunc = typeof path == 'function',\n\t          result = isArrayLike(collection) ? Array(collection.length) : [];\n\t\n\t      baseEach(collection, function(value) {\n\t        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n\t      });\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The corresponding value of\n\t     * each key is the last element responsible for generating the key. The\n\t     * iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * var array = [\n\t     *   { 'dir': 'left', 'code': 97 },\n\t     *   { 'dir': 'right', 'code': 100 }\n\t     * ];\n\t     *\n\t     * _.keyBy(array, function(o) {\n\t     *   return String.fromCharCode(o.code);\n\t     * });\n\t     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n\t     *\n\t     * _.keyBy(array, 'dir');\n\t     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n\t     */\n\t    var keyBy = createAggregator(function(result, value, key) {\n\t      baseAssignValue(result, key, value);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of values by running each element in `collection` thru\n\t     * `iteratee`. The iteratee is invoked with three arguments:\n\t     * (value, index|key, collection).\n\t     *\n\t     * Many lodash methods are guarded to work as iteratees for methods like\n\t     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n\t     *\n\t     * The guarded methods are:\n\t     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n\t     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n\t     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n\t     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new mapped array.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * _.map([4, 8], square);\n\t     * // => [16, 64]\n\t     *\n\t     * _.map({ 'a': 4, 'b': 8 }, square);\n\t     * // => [16, 64] (iteration order is not guaranteed)\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney' },\n\t     *   { 'user': 'fred' }\n\t     * ];\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.map(users, 'user');\n\t     * // => ['barney', 'fred']\n\t     */\n\t    function map(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayMap : baseMap;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortBy` except that it allows specifying the sort\n\t     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n\t     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n\t     * descending or \"asc\" for ascending sort order of corresponding values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n\t     *  The iteratees to sort by.\n\t     * @param {string[]} [orders] The sort orders of `iteratees`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n\t     * @returns {Array} Returns the new sorted array.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'fred',   'age': 48 },\n\t     *   { 'user': 'barney', 'age': 34 },\n\t     *   { 'user': 'fred',   'age': 40 },\n\t     *   { 'user': 'barney', 'age': 36 }\n\t     * ];\n\t     *\n\t     * // Sort by `user` in ascending order and by `age` in descending order.\n\t     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n\t     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n\t     */\n\t    function orderBy(collection, iteratees, orders, guard) {\n\t      if (collection == null) {\n\t        return [];\n\t      }\n\t      if (!isArray(iteratees)) {\n\t        iteratees = iteratees == null ? [] : [iteratees];\n\t      }\n\t      orders = guard ? undefined : orders;\n\t      if (!isArray(orders)) {\n\t        orders = orders == null ? [] : [orders];\n\t      }\n\t      return baseOrderBy(collection, iteratees, orders);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of elements split into two groups, the first of which\n\t     * contains elements `predicate` returns truthy for, the second of which\n\t     * contains elements `predicate` returns falsey for. The predicate is\n\t     * invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the array of grouped elements.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36, 'active': false },\n\t     *   { 'user': 'fred',    'age': 40, 'active': true },\n\t     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n\t     * ];\n\t     *\n\t     * _.partition(users, function(o) { return o.active; });\n\t     * // => objects for [['fred'], ['barney', 'pebbles']]\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.partition(users, { 'age': 1, 'active': false });\n\t     * // => objects for [['pebbles'], ['barney', 'fred']]\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.partition(users, ['active', false]);\n\t     * // => objects for [['barney', 'pebbles'], ['fred']]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.partition(users, 'active');\n\t     * // => objects for [['fred'], ['barney', 'pebbles']]\n\t     */\n\t    var partition = createAggregator(function(result, value, key) {\n\t      result[key ? 0 : 1].push(value);\n\t    }, function() { return [[], []]; });\n\t\n\t    /**\n\t     * Reduces `collection` to a value which is the accumulated result of running\n\t     * each element in `collection` thru `iteratee`, where each successive\n\t     * invocation is supplied the return value of the previous. If `accumulator`\n\t     * is not given, the first element of `collection` is used as the initial\n\t     * value. The iteratee is invoked with four arguments:\n\t     * (accumulator, value, index|key, collection).\n\t     *\n\t     * Many lodash methods are guarded to work as iteratees for methods like\n\t     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n\t     *\n\t     * The guarded methods are:\n\t     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n\t     * and `sortBy`\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The initial value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @see _.reduceRight\n\t     * @example\n\t     *\n\t     * _.reduce([1, 2], function(sum, n) {\n\t     *   return sum + n;\n\t     * }, 0);\n\t     * // => 3\n\t     *\n\t     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t     *   (result[value] || (result[value] = [])).push(key);\n\t     *   return result;\n\t     * }, {});\n\t     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n\t     */\n\t    function reduce(collection, iteratee, accumulator) {\n\t      var func = isArray(collection) ? arrayReduce : baseReduce,\n\t          initAccum = arguments.length < 3;\n\t\n\t      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.reduce` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The initial value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @see _.reduce\n\t     * @example\n\t     *\n\t     * var array = [[0, 1], [2, 3], [4, 5]];\n\t     *\n\t     * _.reduceRight(array, function(flattened, other) {\n\t     *   return flattened.concat(other);\n\t     * }, []);\n\t     * // => [4, 5, 2, 3, 0, 1]\n\t     */\n\t    function reduceRight(collection, iteratee, accumulator) {\n\t      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n\t          initAccum = arguments.length < 3;\n\t\n\t      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.filter`; this method returns the elements of `collection`\n\t     * that `predicate` does **not** return truthy for.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     * @see _.filter\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': false },\n\t     *   { 'user': 'fred',   'age': 40, 'active': true }\n\t     * ];\n\t     *\n\t     * _.reject(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.reject(users, { 'age': 40, 'active': true });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.reject(users, ['active', false]);\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.reject(users, 'active');\n\t     * // => objects for ['barney']\n\t     */\n\t    function reject(collection, predicate) {\n\t      var func = isArray(collection) ? arrayFilter : baseFilter;\n\t      return func(collection, negate(getIteratee(predicate, 3)));\n\t    }\n\t\n\t    /**\n\t     * Gets a random element from `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @returns {*} Returns the random element.\n\t     * @example\n\t     *\n\t     * _.sample([1, 2, 3, 4]);\n\t     * // => 2\n\t     */\n\t    function sample(collection) {\n\t      var func = isArray(collection) ? arraySample : baseSample;\n\t      return func(collection);\n\t    }\n\t\n\t    /**\n\t     * Gets `n` random elements at unique keys from `collection` up to the\n\t     * size of `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @param {number} [n=1] The number of elements to sample.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the random elements.\n\t     * @example\n\t     *\n\t     * _.sampleSize([1, 2, 3], 2);\n\t     * // => [3, 1]\n\t     *\n\t     * _.sampleSize([1, 2, 3], 4);\n\t     * // => [2, 3, 1]\n\t     */\n\t    function sampleSize(collection, n, guard) {\n\t      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n\t        n = 1;\n\t      } else {\n\t        n = toInteger(n);\n\t      }\n\t      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n\t      return func(collection, n);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of shuffled values, using a version of the\n\t     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     * @example\n\t     *\n\t     * _.shuffle([1, 2, 3, 4]);\n\t     * // => [4, 1, 3, 2]\n\t     */\n\t    function shuffle(collection) {\n\t      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n\t      return func(collection);\n\t    }\n\t\n\t    /**\n\t     * Gets the size of `collection` by returning its length for array-like\n\t     * values or the number of own enumerable string keyed properties for objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object|string} collection The collection to inspect.\n\t     * @returns {number} Returns the collection size.\n\t     * @example\n\t     *\n\t     * _.size([1, 2, 3]);\n\t     * // => 3\n\t     *\n\t     * _.size({ 'a': 1, 'b': 2 });\n\t     * // => 2\n\t     *\n\t     * _.size('pebbles');\n\t     * // => 7\n\t     */\n\t    function size(collection) {\n\t      if (collection == null) {\n\t        return 0;\n\t      }\n\t      if (isArrayLike(collection)) {\n\t        return isString(collection) ? stringSize(collection) : collection.length;\n\t      }\n\t      var tag = getTag(collection);\n\t      if (tag == mapTag || tag == setTag) {\n\t        return collection.size;\n\t      }\n\t      return baseKeys(collection).length;\n\t    }\n\t\n\t    /**\n\t     * Checks if `predicate` returns truthy for **any** element of `collection`.\n\t     * Iteration is stopped once `predicate` returns truthy. The predicate is\n\t     * invoked with three arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.some([null, 0, 'yes', false], Boolean);\n\t     * // => true\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'active': true },\n\t     *   { 'user': 'fred',   'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.some(users, { 'user': 'barney', 'active': false });\n\t     * // => false\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.some(users, ['active', false]);\n\t     * // => true\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.some(users, 'active');\n\t     * // => true\n\t     */\n\t    function some(collection, predicate, guard) {\n\t      var func = isArray(collection) ? arraySome : baseSome;\n\t      if (guard && isIterateeCall(collection, predicate, guard)) {\n\t        predicate = undefined;\n\t      }\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of elements, sorted in ascending order by the results of\n\t     * running each element in a collection thru each iteratee. This method\n\t     * performs a stable sort, that is, it preserves the original sort order of\n\t     * equal elements. The iteratees are invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n\t     *  The iteratees to sort by.\n\t     * @returns {Array} Returns the new sorted array.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'fred',   'age': 48 },\n\t     *   { 'user': 'barney', 'age': 36 },\n\t     *   { 'user': 'fred',   'age': 40 },\n\t     *   { 'user': 'barney', 'age': 34 }\n\t     * ];\n\t     *\n\t     * _.sortBy(users, [function(o) { return o.user; }]);\n\t     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n\t     *\n\t     * _.sortBy(users, ['user', 'age']);\n\t     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n\t     */\n\t    var sortBy = baseRest(function(collection, iteratees) {\n\t      if (collection == null) {\n\t        return [];\n\t      }\n\t      var length = iteratees.length;\n\t      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n\t        iteratees = [];\n\t      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n\t        iteratees = [iteratees[0]];\n\t      }\n\t      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n\t    });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Gets the timestamp of the number of milliseconds that have elapsed since\n\t     * the Unix epoch (1 January 1970 00:00:00 UTC).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Date\n\t     * @returns {number} Returns the timestamp.\n\t     * @example\n\t     *\n\t     * _.defer(function(stamp) {\n\t     *   console.log(_.now() - stamp);\n\t     * }, _.now());\n\t     * // => Logs the number of milliseconds it took for the deferred invocation.\n\t     */\n\t    var now = ctxNow || function() {\n\t      return root.Date.now();\n\t    };\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * The opposite of `_.before`; this method creates a function that invokes\n\t     * `func` once it's called `n` or more times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {number} n The number of calls before `func` is invoked.\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * var saves = ['profile', 'settings'];\n\t     *\n\t     * var done = _.after(saves.length, function() {\n\t     *   console.log('done saving!');\n\t     * });\n\t     *\n\t     * _.forEach(saves, function(type) {\n\t     *   asyncSave({ 'type': type, 'complete': done });\n\t     * });\n\t     * // => Logs 'done saving!' after the two async saves have completed.\n\t     */\n\t    function after(n, func) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      n = toInteger(n);\n\t      return function() {\n\t        if (--n < 1) {\n\t          return func.apply(this, arguments);\n\t        }\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func`, with up to `n` arguments,\n\t     * ignoring any additional arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to cap arguments for.\n\t     * @param {number} [n=func.length] The arity cap.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new capped function.\n\t     * @example\n\t     *\n\t     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n\t     * // => [6, 8, 10]\n\t     */\n\t    function ary(func, n, guard) {\n\t      n = guard ? undefined : n;\n\t      n = (func && n == null) ? func.length : n;\n\t      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func`, with the `this` binding and arguments\n\t     * of the created function, while it's called less than `n` times. Subsequent\n\t     * calls to the created function return the result of the last `func` invocation.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {number} n The number of calls at which `func` is no longer invoked.\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * jQuery(element).on('click', _.before(5, addContactToList));\n\t     * // => Allows adding up to 4 contacts to the list.\n\t     */\n\t    function before(n, func) {\n\t      var result;\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      n = toInteger(n);\n\t      return function() {\n\t        if (--n > 0) {\n\t          result = func.apply(this, arguments);\n\t        }\n\t        if (n <= 1) {\n\t          func = undefined;\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n\t     * and `partials` prepended to the arguments it receives.\n\t     *\n\t     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n\t     * may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n\t     * property of bound functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to bind.\n\t     * @param {*} thisArg The `this` binding of `func`.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new bound function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, punctuation) {\n\t     *   return greeting + ' ' + this.user + punctuation;\n\t     * }\n\t     *\n\t     * var object = { 'user': 'fred' };\n\t     *\n\t     * var bound = _.bind(greet, object, 'hi');\n\t     * bound('!');\n\t     * // => 'hi fred!'\n\t     *\n\t     * // Bound with placeholders.\n\t     * var bound = _.bind(greet, object, _, '!');\n\t     * bound('hi');\n\t     * // => 'hi fred!'\n\t     */\n\t    var bind = baseRest(function(func, thisArg, partials) {\n\t      var bitmask = WRAP_BIND_FLAG;\n\t      if (partials.length) {\n\t        var holders = replaceHolders(partials, getHolder(bind));\n\t        bitmask |= WRAP_PARTIAL_FLAG;\n\t      }\n\t      return createWrap(func, bitmask, thisArg, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes the method at `object[key]` with `partials`\n\t     * prepended to the arguments it receives.\n\t     *\n\t     * This method differs from `_.bind` by allowing bound functions to reference\n\t     * methods that may be redefined or don't yet exist. See\n\t     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n\t     * for more details.\n\t     *\n\t     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.10.0\n\t     * @category Function\n\t     * @param {Object} object The object to invoke the method on.\n\t     * @param {string} key The key of the method.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new bound function.\n\t     * @example\n\t     *\n\t     * var object = {\n\t     *   'user': 'fred',\n\t     *   'greet': function(greeting, punctuation) {\n\t     *     return greeting + ' ' + this.user + punctuation;\n\t     *   }\n\t     * };\n\t     *\n\t     * var bound = _.bindKey(object, 'greet', 'hi');\n\t     * bound('!');\n\t     * // => 'hi fred!'\n\t     *\n\t     * object.greet = function(greeting, punctuation) {\n\t     *   return greeting + 'ya ' + this.user + punctuation;\n\t     * };\n\t     *\n\t     * bound('!');\n\t     * // => 'hiya fred!'\n\t     *\n\t     * // Bound with placeholders.\n\t     * var bound = _.bindKey(object, 'greet', _, '!');\n\t     * bound('hi');\n\t     * // => 'hiya fred!'\n\t     */\n\t    var bindKey = baseRest(function(object, key, partials) {\n\t      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n\t      if (partials.length) {\n\t        var holders = replaceHolders(partials, getHolder(bindKey));\n\t        bitmask |= WRAP_PARTIAL_FLAG;\n\t      }\n\t      return createWrap(key, bitmask, object, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that accepts arguments of `func` and either invokes\n\t     * `func` returning its result, if at least `arity` number of arguments have\n\t     * been provided, or returns a function that accepts the remaining `func`\n\t     * arguments, and so on. The arity of `func` may be specified if `func.length`\n\t     * is not sufficient.\n\t     *\n\t     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n\t     * may be used as a placeholder for provided arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of curried functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to curry.\n\t     * @param {number} [arity=func.length] The arity of `func`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new curried function.\n\t     * @example\n\t     *\n\t     * var abc = function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * };\n\t     *\n\t     * var curried = _.curry(abc);\n\t     *\n\t     * curried(1)(2)(3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2)(3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2, 3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * // Curried with placeholders.\n\t     * curried(1)(_, 3)(2);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function curry(func, arity, guard) {\n\t      arity = guard ? undefined : arity;\n\t      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n\t      result.placeholder = curry.placeholder;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.curry` except that arguments are applied to `func`\n\t     * in the manner of `_.partialRight` instead of `_.partial`.\n\t     *\n\t     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for provided arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of curried functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to curry.\n\t     * @param {number} [arity=func.length] The arity of `func`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new curried function.\n\t     * @example\n\t     *\n\t     * var abc = function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * };\n\t     *\n\t     * var curried = _.curryRight(abc);\n\t     *\n\t     * curried(3)(2)(1);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(2, 3)(1);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2, 3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * // Curried with placeholders.\n\t     * curried(3)(1, _)(2);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function curryRight(func, arity, guard) {\n\t      arity = guard ? undefined : arity;\n\t      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n\t      result.placeholder = curryRight.placeholder;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a debounced function that delays invoking `func` until after `wait`\n\t     * milliseconds have elapsed since the last time the debounced function was\n\t     * invoked. The debounced function comes with a `cancel` method to cancel\n\t     * delayed `func` invocations and a `flush` method to immediately invoke them.\n\t     * Provide `options` to indicate whether `func` should be invoked on the\n\t     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n\t     * with the last arguments provided to the debounced function. Subsequent\n\t     * calls to the debounced function return the result of the last `func`\n\t     * invocation.\n\t     *\n\t     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n\t     * invoked on the trailing edge of the timeout only if the debounced function\n\t     * is invoked more than once during the `wait` timeout.\n\t     *\n\t     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n\t     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n\t     *\n\t     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n\t     * for details over the differences between `_.debounce` and `_.throttle`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to debounce.\n\t     * @param {number} [wait=0] The number of milliseconds to delay.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.leading=false]\n\t     *  Specify invoking on the leading edge of the timeout.\n\t     * @param {number} [options.maxWait]\n\t     *  The maximum time `func` is allowed to be delayed before it's invoked.\n\t     * @param {boolean} [options.trailing=true]\n\t     *  Specify invoking on the trailing edge of the timeout.\n\t     * @returns {Function} Returns the new debounced function.\n\t     * @example\n\t     *\n\t     * // Avoid costly calculations while the window size is in flux.\n\t     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n\t     *\n\t     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n\t     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n\t     *   'leading': true,\n\t     *   'trailing': false\n\t     * }));\n\t     *\n\t     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n\t     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n\t     * var source = new EventSource('/stream');\n\t     * jQuery(source).on('message', debounced);\n\t     *\n\t     * // Cancel the trailing debounced invocation.\n\t     * jQuery(window).on('popstate', debounced.cancel);\n\t     */\n\t    function debounce(func, wait, options) {\n\t      var lastArgs,\n\t          lastThis,\n\t          maxWait,\n\t          result,\n\t          timerId,\n\t          lastCallTime,\n\t          lastInvokeTime = 0,\n\t          leading = false,\n\t          maxing = false,\n\t          trailing = true;\n\t\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      wait = toNumber(wait) || 0;\n\t      if (isObject(options)) {\n\t        leading = !!options.leading;\n\t        maxing = 'maxWait' in options;\n\t        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n\t        trailing = 'trailing' in options ? !!options.trailing : trailing;\n\t      }\n\t\n\t      function invokeFunc(time) {\n\t        var args = lastArgs,\n\t            thisArg = lastThis;\n\t\n\t        lastArgs = lastThis = undefined;\n\t        lastInvokeTime = time;\n\t        result = func.apply(thisArg, args);\n\t        return result;\n\t      }\n\t\n\t      function leadingEdge(time) {\n\t        // Reset any `maxWait` timer.\n\t        lastInvokeTime = time;\n\t        // Start the timer for the trailing edge.\n\t        timerId = setTimeout(timerExpired, wait);\n\t        // Invoke the leading edge.\n\t        return leading ? invokeFunc(time) : result;\n\t      }\n\t\n\t      function remainingWait(time) {\n\t        var timeSinceLastCall = time - lastCallTime,\n\t            timeSinceLastInvoke = time - lastInvokeTime,\n\t            result = wait - timeSinceLastCall;\n\t\n\t        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n\t      }\n\t\n\t      function shouldInvoke(time) {\n\t        var timeSinceLastCall = time - lastCallTime,\n\t            timeSinceLastInvoke = time - lastInvokeTime;\n\t\n\t        // Either this is the first call, activity has stopped and we're at the\n\t        // trailing edge, the system time has gone backwards and we're treating\n\t        // it as the trailing edge, or we've hit the `maxWait` limit.\n\t        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n\t          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n\t      }\n\t\n\t      function timerExpired() {\n\t        var time = now();\n\t        if (shouldInvoke(time)) {\n\t          return trailingEdge(time);\n\t        }\n\t        // Restart the timer.\n\t        timerId = setTimeout(timerExpired, remainingWait(time));\n\t      }\n\t\n\t      function trailingEdge(time) {\n\t        timerId = undefined;\n\t\n\t        // Only invoke if we have `lastArgs` which means `func` has been\n\t        // debounced at least once.\n\t        if (trailing && lastArgs) {\n\t          return invokeFunc(time);\n\t        }\n\t        lastArgs = lastThis = undefined;\n\t        return result;\n\t      }\n\t\n\t      function cancel() {\n\t        if (timerId !== undefined) {\n\t          clearTimeout(timerId);\n\t        }\n\t        lastInvokeTime = 0;\n\t        lastArgs = lastCallTime = lastThis = timerId = undefined;\n\t      }\n\t\n\t      function flush() {\n\t        return timerId === undefined ? result : trailingEdge(now());\n\t      }\n\t\n\t      function debounced() {\n\t        var time = now(),\n\t            isInvoking = shouldInvoke(time);\n\t\n\t        lastArgs = arguments;\n\t        lastThis = this;\n\t        lastCallTime = time;\n\t\n\t        if (isInvoking) {\n\t          if (timerId === undefined) {\n\t            return leadingEdge(lastCallTime);\n\t          }\n\t          if (maxing) {\n\t            // Handle invocations in a tight loop.\n\t            timerId = setTimeout(timerExpired, wait);\n\t            return invokeFunc(lastCallTime);\n\t          }\n\t        }\n\t        if (timerId === undefined) {\n\t          timerId = setTimeout(timerExpired, wait);\n\t        }\n\t        return result;\n\t      }\n\t      debounced.cancel = cancel;\n\t      debounced.flush = flush;\n\t      return debounced;\n\t    }\n\t\n\t    /**\n\t     * Defers invoking the `func` until the current call stack has cleared. Any\n\t     * additional arguments are provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to defer.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {number} Returns the timer id.\n\t     * @example\n\t     *\n\t     * _.defer(function(text) {\n\t     *   console.log(text);\n\t     * }, 'deferred');\n\t     * // => Logs 'deferred' after one millisecond.\n\t     */\n\t    var defer = baseRest(function(func, args) {\n\t      return baseDelay(func, 1, args);\n\t    });\n\t\n\t    /**\n\t     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n\t     * provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {number} Returns the timer id.\n\t     * @example\n\t     *\n\t     * _.delay(function(text) {\n\t     *   console.log(text);\n\t     * }, 1000, 'later');\n\t     * // => Logs 'later' after one second.\n\t     */\n\t    var delay = baseRest(function(func, wait, args) {\n\t      return baseDelay(func, toNumber(wait) || 0, args);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with arguments reversed.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to flip arguments for.\n\t     * @returns {Function} Returns the new flipped function.\n\t     * @example\n\t     *\n\t     * var flipped = _.flip(function() {\n\t     *   return _.toArray(arguments);\n\t     * });\n\t     *\n\t     * flipped('a', 'b', 'c', 'd');\n\t     * // => ['d', 'c', 'b', 'a']\n\t     */\n\t    function flip(func) {\n\t      return createWrap(func, WRAP_FLIP_FLAG);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that memoizes the result of `func`. If `resolver` is\n\t     * provided, it determines the cache key for storing the result based on the\n\t     * arguments provided to the memoized function. By default, the first argument\n\t     * provided to the memoized function is used as the map cache key. The `func`\n\t     * is invoked with the `this` binding of the memoized function.\n\t     *\n\t     * **Note:** The cache is exposed as the `cache` property on the memoized\n\t     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n\t     * constructor with one whose instances implement the\n\t     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n\t     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to have its output memoized.\n\t     * @param {Function} [resolver] The function to resolve the cache key.\n\t     * @returns {Function} Returns the new memoized function.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     * var other = { 'c': 3, 'd': 4 };\n\t     *\n\t     * var values = _.memoize(_.values);\n\t     * values(object);\n\t     * // => [1, 2]\n\t     *\n\t     * values(other);\n\t     * // => [3, 4]\n\t     *\n\t     * object.a = 2;\n\t     * values(object);\n\t     * // => [1, 2]\n\t     *\n\t     * // Modify the result cache.\n\t     * values.cache.set(object, ['a', 'b']);\n\t     * values(object);\n\t     * // => ['a', 'b']\n\t     *\n\t     * // Replace `_.memoize.Cache`.\n\t     * _.memoize.Cache = WeakMap;\n\t     */\n\t    function memoize(func, resolver) {\n\t      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      var memoized = function() {\n\t        var args = arguments,\n\t            key = resolver ? resolver.apply(this, args) : args[0],\n\t            cache = memoized.cache;\n\t\n\t        if (cache.has(key)) {\n\t          return cache.get(key);\n\t        }\n\t        var result = func.apply(this, args);\n\t        memoized.cache = cache.set(key, result) || cache;\n\t        return result;\n\t      };\n\t      memoized.cache = new (memoize.Cache || MapCache);\n\t      return memoized;\n\t    }\n\t\n\t    // Expose `MapCache`.\n\t    memoize.Cache = MapCache;\n\t\n\t    /**\n\t     * Creates a function that negates the result of the predicate `func`. The\n\t     * `func` predicate is invoked with the `this` binding and arguments of the\n\t     * created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} predicate The predicate to negate.\n\t     * @returns {Function} Returns the new negated function.\n\t     * @example\n\t     *\n\t     * function isEven(n) {\n\t     *   return n % 2 == 0;\n\t     * }\n\t     *\n\t     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n\t     * // => [1, 3, 5]\n\t     */\n\t    function negate(predicate) {\n\t      if (typeof predicate != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      return function() {\n\t        var args = arguments;\n\t        switch (args.length) {\n\t          case 0: return !predicate.call(this);\n\t          case 1: return !predicate.call(this, args[0]);\n\t          case 2: return !predicate.call(this, args[0], args[1]);\n\t          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n\t        }\n\t        return !predicate.apply(this, args);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that is restricted to invoking `func` once. Repeat calls\n\t     * to the function return the value of the first invocation. The `func` is\n\t     * invoked with the `this` binding and arguments of the created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * var initialize = _.once(createApplication);\n\t     * initialize();\n\t     * initialize();\n\t     * // => `createApplication` is invoked once\n\t     */\n\t    function once(func) {\n\t      return before(2, func);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with its arguments transformed.\n\t     *\n\t     * @static\n\t     * @since 4.0.0\n\t     * @memberOf _\n\t     * @category Function\n\t     * @param {Function} func The function to wrap.\n\t     * @param {...(Function|Function[])} [transforms=[_.identity]]\n\t     *  The argument transforms.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * function doubled(n) {\n\t     *   return n * 2;\n\t     * }\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var func = _.overArgs(function(x, y) {\n\t     *   return [x, y];\n\t     * }, [square, doubled]);\n\t     *\n\t     * func(9, 3);\n\t     * // => [81, 6]\n\t     *\n\t     * func(10, 5);\n\t     * // => [100, 10]\n\t     */\n\t    var overArgs = castRest(function(func, transforms) {\n\t      transforms = (transforms.length == 1 && isArray(transforms[0]))\n\t        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n\t        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\t\n\t      var funcsLength = transforms.length;\n\t      return baseRest(function(args) {\n\t        var index = -1,\n\t            length = nativeMin(args.length, funcsLength);\n\t\n\t        while (++index < length) {\n\t          args[index] = transforms[index].call(this, args[index]);\n\t        }\n\t        return apply(func, this, args);\n\t      });\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with `partials` prepended to the\n\t     * arguments it receives. This method is like `_.bind` except it does **not**\n\t     * alter the `this` binding.\n\t     *\n\t     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of partially\n\t     * applied functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.2.0\n\t     * @category Function\n\t     * @param {Function} func The function to partially apply arguments to.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new partially applied function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, name) {\n\t     *   return greeting + ' ' + name;\n\t     * }\n\t     *\n\t     * var sayHelloTo = _.partial(greet, 'hello');\n\t     * sayHelloTo('fred');\n\t     * // => 'hello fred'\n\t     *\n\t     * // Partially applied with placeholders.\n\t     * var greetFred = _.partial(greet, _, 'fred');\n\t     * greetFred('hi');\n\t     * // => 'hi fred'\n\t     */\n\t    var partial = baseRest(function(func, partials) {\n\t      var holders = replaceHolders(partials, getHolder(partial));\n\t      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.partial` except that partially applied arguments\n\t     * are appended to the arguments it receives.\n\t     *\n\t     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of partially\n\t     * applied functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to partially apply arguments to.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new partially applied function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, name) {\n\t     *   return greeting + ' ' + name;\n\t     * }\n\t     *\n\t     * var greetFred = _.partialRight(greet, 'fred');\n\t     * greetFred('hi');\n\t     * // => 'hi fred'\n\t     *\n\t     * // Partially applied with placeholders.\n\t     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n\t     * sayHelloTo('fred');\n\t     * // => 'hello fred'\n\t     */\n\t    var partialRight = baseRest(function(func, partials) {\n\t      var holders = replaceHolders(partials, getHolder(partialRight));\n\t      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with arguments arranged according\n\t     * to the specified `indexes` where the argument value at the first index is\n\t     * provided as the first argument, the argument value at the second index is\n\t     * provided as the second argument, and so on.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to rearrange arguments for.\n\t     * @param {...(number|number[])} indexes The arranged argument indexes.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var rearged = _.rearg(function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * }, [2, 0, 1]);\n\t     *\n\t     * rearged('b', 'c', 'a')\n\t     * // => ['a', 'b', 'c']\n\t     */\n\t    var rearg = flatRest(function(func, indexes) {\n\t      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of the\n\t     * created function and arguments from `start` and beyond provided as\n\t     * an array.\n\t     *\n\t     * **Note:** This method is based on the\n\t     * [rest parameter](https://mdn.io/rest_parameters).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var say = _.rest(function(what, names) {\n\t     *   return what + ' ' + _.initial(names).join(', ') +\n\t     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n\t     * });\n\t     *\n\t     * say('hello', 'fred', 'barney', 'pebbles');\n\t     * // => 'hello fred, barney, & pebbles'\n\t     */\n\t    function rest(func, start) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      start = start === undefined ? start : toInteger(start);\n\t      return baseRest(func, start);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of the\n\t     * create function and an array of arguments much like\n\t     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n\t     *\n\t     * **Note:** This method is based on the\n\t     * [spread operator](https://mdn.io/spread_operator).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Function\n\t     * @param {Function} func The function to spread arguments over.\n\t     * @param {number} [start=0] The start position of the spread.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var say = _.spread(function(who, what) {\n\t     *   return who + ' says ' + what;\n\t     * });\n\t     *\n\t     * say(['fred', 'hello']);\n\t     * // => 'fred says hello'\n\t     *\n\t     * var numbers = Promise.all([\n\t     *   Promise.resolve(40),\n\t     *   Promise.resolve(36)\n\t     * ]);\n\t     *\n\t     * numbers.then(_.spread(function(x, y) {\n\t     *   return x + y;\n\t     * }));\n\t     * // => a Promise of 76\n\t     */\n\t    function spread(func, start) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n\t      return baseRest(function(args) {\n\t        var array = args[start],\n\t            otherArgs = castSlice(args, 0, start);\n\t\n\t        if (array) {\n\t          arrayPush(otherArgs, array);\n\t        }\n\t        return apply(func, this, otherArgs);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a throttled function that only invokes `func` at most once per\n\t     * every `wait` milliseconds. The throttled function comes with a `cancel`\n\t     * method to cancel delayed `func` invocations and a `flush` method to\n\t     * immediately invoke them. Provide `options` to indicate whether `func`\n\t     * should be invoked on the leading and/or trailing edge of the `wait`\n\t     * timeout. The `func` is invoked with the last arguments provided to the\n\t     * throttled function. Subsequent calls to the throttled function return the\n\t     * result of the last `func` invocation.\n\t     *\n\t     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n\t     * invoked on the trailing edge of the timeout only if the throttled function\n\t     * is invoked more than once during the `wait` timeout.\n\t     *\n\t     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n\t     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n\t     *\n\t     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n\t     * for details over the differences between `_.throttle` and `_.debounce`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to throttle.\n\t     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.leading=true]\n\t     *  Specify invoking on the leading edge of the timeout.\n\t     * @param {boolean} [options.trailing=true]\n\t     *  Specify invoking on the trailing edge of the timeout.\n\t     * @returns {Function} Returns the new throttled function.\n\t     * @example\n\t     *\n\t     * // Avoid excessively updating the position while scrolling.\n\t     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n\t     *\n\t     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n\t     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n\t     * jQuery(element).on('click', throttled);\n\t     *\n\t     * // Cancel the trailing throttled invocation.\n\t     * jQuery(window).on('popstate', throttled.cancel);\n\t     */\n\t    function throttle(func, wait, options) {\n\t      var leading = true,\n\t          trailing = true;\n\t\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      if (isObject(options)) {\n\t        leading = 'leading' in options ? !!options.leading : leading;\n\t        trailing = 'trailing' in options ? !!options.trailing : trailing;\n\t      }\n\t      return debounce(func, wait, {\n\t        'leading': leading,\n\t        'maxWait': wait,\n\t        'trailing': trailing\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that accepts up to one argument, ignoring any\n\t     * additional arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to cap arguments for.\n\t     * @returns {Function} Returns the new capped function.\n\t     * @example\n\t     *\n\t     * _.map(['6', '8', '10'], _.unary(parseInt));\n\t     * // => [6, 8, 10]\n\t     */\n\t    function unary(func) {\n\t      return ary(func, 1);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that provides `value` to `wrapper` as its first\n\t     * argument. Any additional arguments provided to the function are appended\n\t     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n\t     * binding of the created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {*} value The value to wrap.\n\t     * @param {Function} [wrapper=identity] The wrapper function.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var p = _.wrap(_.escape, function(func, text) {\n\t     *   return '<p>' + func(text) + '</p>';\n\t     * });\n\t     *\n\t     * p('fred, barney, & pebbles');\n\t     * // => '<p>fred, barney, &amp; pebbles</p>'\n\t     */\n\t    function wrap(value, wrapper) {\n\t      return partial(castFunction(wrapper), value);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Casts `value` as an array if it's not one.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.4.0\n\t     * @category Lang\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Array} Returns the cast array.\n\t     * @example\n\t     *\n\t     * _.castArray(1);\n\t     * // => [1]\n\t     *\n\t     * _.castArray({ 'a': 1 });\n\t     * // => [{ 'a': 1 }]\n\t     *\n\t     * _.castArray('abc');\n\t     * // => ['abc']\n\t     *\n\t     * _.castArray(null);\n\t     * // => [null]\n\t     *\n\t     * _.castArray(undefined);\n\t     * // => [undefined]\n\t     *\n\t     * _.castArray();\n\t     * // => []\n\t     *\n\t     * var array = [1, 2, 3];\n\t     * console.log(_.castArray(array) === array);\n\t     * // => true\n\t     */\n\t    function castArray() {\n\t      if (!arguments.length) {\n\t        return [];\n\t      }\n\t      var value = arguments[0];\n\t      return isArray(value) ? value : [value];\n\t    }\n\t\n\t    /**\n\t     * Creates a shallow clone of `value`.\n\t     *\n\t     * **Note:** This method is loosely based on the\n\t     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n\t     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n\t     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n\t     * arrays. The own enumerable properties of `arguments` objects are cloned\n\t     * as plain objects. An empty object is returned for uncloneable values such\n\t     * as error objects, functions, DOM nodes, and WeakMaps.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to clone.\n\t     * @returns {*} Returns the cloned value.\n\t     * @see _.cloneDeep\n\t     * @example\n\t     *\n\t     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t     *\n\t     * var shallow = _.clone(objects);\n\t     * console.log(shallow[0] === objects[0]);\n\t     * // => true\n\t     */\n\t    function clone(value) {\n\t      return baseClone(value, CLONE_SYMBOLS_FLAG);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.clone` except that it accepts `customizer` which\n\t     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n\t     * cloning is handled by the method instead. The `customizer` is invoked with\n\t     * up to four arguments; (value [, index|key, object, stack]).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to clone.\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @returns {*} Returns the cloned value.\n\t     * @see _.cloneDeepWith\n\t     * @example\n\t     *\n\t     * function customizer(value) {\n\t     *   if (_.isElement(value)) {\n\t     *     return value.cloneNode(false);\n\t     *   }\n\t     * }\n\t     *\n\t     * var el = _.cloneWith(document.body, customizer);\n\t     *\n\t     * console.log(el === document.body);\n\t     * // => false\n\t     * console.log(el.nodeName);\n\t     * // => 'BODY'\n\t     * console.log(el.childNodes.length);\n\t     * // => 0\n\t     */\n\t    function cloneWith(value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.clone` except that it recursively clones `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to recursively clone.\n\t     * @returns {*} Returns the deep cloned value.\n\t     * @see _.clone\n\t     * @example\n\t     *\n\t     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t     *\n\t     * var deep = _.cloneDeep(objects);\n\t     * console.log(deep[0] === objects[0]);\n\t     * // => false\n\t     */\n\t    function cloneDeep(value) {\n\t      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.cloneWith` except that it recursively clones `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to recursively clone.\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @returns {*} Returns the deep cloned value.\n\t     * @see _.cloneWith\n\t     * @example\n\t     *\n\t     * function customizer(value) {\n\t     *   if (_.isElement(value)) {\n\t     *     return value.cloneNode(true);\n\t     *   }\n\t     * }\n\t     *\n\t     * var el = _.cloneDeepWith(document.body, customizer);\n\t     *\n\t     * console.log(el === document.body);\n\t     * // => false\n\t     * console.log(el.nodeName);\n\t     * // => 'BODY'\n\t     * console.log(el.childNodes.length);\n\t     * // => 20\n\t     */\n\t    function cloneDeepWith(value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n\t    }\n\t\n\t    /**\n\t     * Checks if `object` conforms to `source` by invoking the predicate\n\t     * properties of `source` with the corresponding property values of `object`.\n\t     *\n\t     * **Note:** This method is equivalent to `_.conforms` when `source` is\n\t     * partially applied.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.14.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     *\n\t     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n\t     * // => true\n\t     *\n\t     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n\t     * // => false\n\t     */\n\t    function conformsTo(object, source) {\n\t      return source == null || baseConformsTo(object, source, keys(source));\n\t    }\n\t\n\t    /**\n\t     * Performs a\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * comparison between two values to determine if they are equivalent.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     * var other = { 'a': 1 };\n\t     *\n\t     * _.eq(object, object);\n\t     * // => true\n\t     *\n\t     * _.eq(object, other);\n\t     * // => false\n\t     *\n\t     * _.eq('a', 'a');\n\t     * // => true\n\t     *\n\t     * _.eq('a', Object('a'));\n\t     * // => false\n\t     *\n\t     * _.eq(NaN, NaN);\n\t     * // => true\n\t     */\n\t    function eq(value, other) {\n\t      return value === other || (value !== value && other !== other);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is greater than `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t     *  else `false`.\n\t     * @see _.lt\n\t     * @example\n\t     *\n\t     * _.gt(3, 1);\n\t     * // => true\n\t     *\n\t     * _.gt(3, 3);\n\t     * // => false\n\t     *\n\t     * _.gt(1, 3);\n\t     * // => false\n\t     */\n\t    var gt = createRelationalOperation(baseGt);\n\t\n\t    /**\n\t     * Checks if `value` is greater than or equal to `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n\t     *  `other`, else `false`.\n\t     * @see _.lte\n\t     * @example\n\t     *\n\t     * _.gte(3, 1);\n\t     * // => true\n\t     *\n\t     * _.gte(3, 3);\n\t     * // => true\n\t     *\n\t     * _.gte(1, 3);\n\t     * // => false\n\t     */\n\t    var gte = createRelationalOperation(function(value, other) {\n\t      return value >= other;\n\t    });\n\t\n\t    /**\n\t     * Checks if `value` is likely an `arguments` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isArguments(function() { return arguments; }());\n\t     * // => true\n\t     *\n\t     * _.isArguments([1, 2, 3]);\n\t     * // => false\n\t     */\n\t    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n\t      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n\t        !propertyIsEnumerable.call(value, 'callee');\n\t    };\n\t\n\t    /**\n\t     * Checks if `value` is classified as an `Array` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArray([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArray(document.body.children);\n\t     * // => false\n\t     *\n\t     * _.isArray('abc');\n\t     * // => false\n\t     *\n\t     * _.isArray(_.noop);\n\t     * // => false\n\t     */\n\t    var isArray = Array.isArray;\n\t\n\t    /**\n\t     * Checks if `value` is classified as an `ArrayBuffer` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayBuffer(new ArrayBuffer(2));\n\t     * // => true\n\t     *\n\t     * _.isArrayBuffer(new Array(2));\n\t     * // => false\n\t     */\n\t    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\t\n\t    /**\n\t     * Checks if `value` is array-like. A value is considered array-like if it's\n\t     * not a function and has a `value.length` that's an integer greater than or\n\t     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayLike([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArrayLike(document.body.children);\n\t     * // => true\n\t     *\n\t     * _.isArrayLike('abc');\n\t     * // => true\n\t     *\n\t     * _.isArrayLike(_.noop);\n\t     * // => false\n\t     */\n\t    function isArrayLike(value) {\n\t      return value != null && isLength(value.length) && !isFunction(value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isArrayLike` except that it also checks if `value`\n\t     * is an object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array-like object,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayLikeObject([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArrayLikeObject(document.body.children);\n\t     * // => true\n\t     *\n\t     * _.isArrayLikeObject('abc');\n\t     * // => false\n\t     *\n\t     * _.isArrayLikeObject(_.noop);\n\t     * // => false\n\t     */\n\t    function isArrayLikeObject(value) {\n\t      return isObjectLike(value) && isArrayLike(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a boolean primitive or object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n\t     * @example\n\t     *\n\t     * _.isBoolean(false);\n\t     * // => true\n\t     *\n\t     * _.isBoolean(null);\n\t     * // => false\n\t     */\n\t    function isBoolean(value) {\n\t      return value === true || value === false ||\n\t        (isObjectLike(value) && baseGetTag(value) == boolTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a buffer.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isBuffer(new Buffer(2));\n\t     * // => true\n\t     *\n\t     * _.isBuffer(new Uint8Array(2));\n\t     * // => false\n\t     */\n\t    var isBuffer = nativeIsBuffer || stubFalse;\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Date` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isDate(new Date);\n\t     * // => true\n\t     *\n\t     * _.isDate('Mon April 23 2012');\n\t     * // => false\n\t     */\n\t    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\t\n\t    /**\n\t     * Checks if `value` is likely a DOM element.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n\t     * @example\n\t     *\n\t     * _.isElement(document.body);\n\t     * // => true\n\t     *\n\t     * _.isElement('<body>');\n\t     * // => false\n\t     */\n\t    function isElement(value) {\n\t      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an empty object, collection, map, or set.\n\t     *\n\t     * Objects are considered empty if they have no own enumerable string keyed\n\t     * properties.\n\t     *\n\t     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n\t     * jQuery-like collections are considered empty if they have a `length` of `0`.\n\t     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n\t     * @example\n\t     *\n\t     * _.isEmpty(null);\n\t     * // => true\n\t     *\n\t     * _.isEmpty(true);\n\t     * // => true\n\t     *\n\t     * _.isEmpty(1);\n\t     * // => true\n\t     *\n\t     * _.isEmpty([1, 2, 3]);\n\t     * // => false\n\t     *\n\t     * _.isEmpty({ 'a': 1 });\n\t     * // => false\n\t     */\n\t    function isEmpty(value) {\n\t      if (value == null) {\n\t        return true;\n\t      }\n\t      if (isArrayLike(value) &&\n\t          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n\t            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n\t        return !value.length;\n\t      }\n\t      var tag = getTag(value);\n\t      if (tag == mapTag || tag == setTag) {\n\t        return !value.size;\n\t      }\n\t      if (isPrototype(value)) {\n\t        return !baseKeys(value).length;\n\t      }\n\t      for (var key in value) {\n\t        if (hasOwnProperty.call(value, key)) {\n\t          return false;\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Performs a deep comparison between two values to determine if they are\n\t     * equivalent.\n\t     *\n\t     * **Note:** This method supports comparing arrays, array buffers, booleans,\n\t     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n\t     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n\t     * by their own, not inherited, enumerable properties. Functions and DOM\n\t     * nodes are compared by strict equality, i.e. `===`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     * var other = { 'a': 1 };\n\t     *\n\t     * _.isEqual(object, other);\n\t     * // => true\n\t     *\n\t     * object === other;\n\t     * // => false\n\t     */\n\t    function isEqual(value, other) {\n\t      return baseIsEqual(value, other);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isEqual` except that it accepts `customizer` which\n\t     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t     * are handled by the method instead. The `customizer` is invoked with up to\n\t     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * function isGreeting(value) {\n\t     *   return /^h(?:i|ello)$/.test(value);\n\t     * }\n\t     *\n\t     * function customizer(objValue, othValue) {\n\t     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n\t     *     return true;\n\t     *   }\n\t     * }\n\t     *\n\t     * var array = ['hello', 'goodbye'];\n\t     * var other = ['hi', 'goodbye'];\n\t     *\n\t     * _.isEqualWith(array, other, customizer);\n\t     * // => true\n\t     */\n\t    function isEqualWith(value, other, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      var result = customizer ? customizer(value, other) : undefined;\n\t      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n\t     * `SyntaxError`, `TypeError`, or `URIError` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isError(new Error);\n\t     * // => true\n\t     *\n\t     * _.isError(Error);\n\t     * // => false\n\t     */\n\t    function isError(value) {\n\t      if (!isObjectLike(value)) {\n\t        return false;\n\t      }\n\t      var tag = baseGetTag(value);\n\t      return tag == errorTag || tag == domExcTag ||\n\t        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a finite primitive number.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n\t     * @example\n\t     *\n\t     * _.isFinite(3);\n\t     * // => true\n\t     *\n\t     * _.isFinite(Number.MIN_VALUE);\n\t     * // => true\n\t     *\n\t     * _.isFinite(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isFinite('3');\n\t     * // => false\n\t     */\n\t    function isFinite(value) {\n\t      return typeof value == 'number' && nativeIsFinite(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Function` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n\t     * @example\n\t     *\n\t     * _.isFunction(_);\n\t     * // => true\n\t     *\n\t     * _.isFunction(/abc/);\n\t     * // => false\n\t     */\n\t    function isFunction(value) {\n\t      if (!isObject(value)) {\n\t        return false;\n\t      }\n\t      // The use of `Object#toString` avoids issues with the `typeof` operator\n\t      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n\t      var tag = baseGetTag(value);\n\t      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an integer.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isInteger(3);\n\t     * // => true\n\t     *\n\t     * _.isInteger(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isInteger(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isInteger('3');\n\t     * // => false\n\t     */\n\t    function isInteger(value) {\n\t      return typeof value == 'number' && value == toInteger(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a valid array-like length.\n\t     *\n\t     * **Note:** This method is loosely based on\n\t     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n\t     * @example\n\t     *\n\t     * _.isLength(3);\n\t     * // => true\n\t     *\n\t     * _.isLength(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isLength(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isLength('3');\n\t     * // => false\n\t     */\n\t    function isLength(value) {\n\t      return typeof value == 'number' &&\n\t        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is the\n\t     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n\t     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isObject({});\n\t     * // => true\n\t     *\n\t     * _.isObject([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isObject(_.noop);\n\t     * // => true\n\t     *\n\t     * _.isObject(null);\n\t     * // => false\n\t     */\n\t    function isObject(value) {\n\t      var type = typeof value;\n\t      return value != null && (type == 'object' || type == 'function');\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is object-like. A value is object-like if it's not `null`\n\t     * and has a `typeof` result of \"object\".\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n\t     * @example\n\t     *\n\t     * _.isObjectLike({});\n\t     * // => true\n\t     *\n\t     * _.isObjectLike([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isObjectLike(_.noop);\n\t     * // => false\n\t     *\n\t     * _.isObjectLike(null);\n\t     * // => false\n\t     */\n\t    function isObjectLike(value) {\n\t      return value != null && typeof value == 'object';\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Map` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n\t     * @example\n\t     *\n\t     * _.isMap(new Map);\n\t     * // => true\n\t     *\n\t     * _.isMap(new WeakMap);\n\t     * // => false\n\t     */\n\t    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\t\n\t    /**\n\t     * Performs a partial deep comparison between `object` and `source` to\n\t     * determine if `object` contains equivalent property values.\n\t     *\n\t     * **Note:** This method is equivalent to `_.matches` when `source` is\n\t     * partially applied.\n\t     *\n\t     * Partial comparisons will match empty array and empty object `source`\n\t     * values against any array or object value, respectively. See `_.isEqual`\n\t     * for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     *\n\t     * _.isMatch(object, { 'b': 2 });\n\t     * // => true\n\t     *\n\t     * _.isMatch(object, { 'b': 1 });\n\t     * // => false\n\t     */\n\t    function isMatch(object, source) {\n\t      return object === source || baseIsMatch(object, source, getMatchData(source));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isMatch` except that it accepts `customizer` which\n\t     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t     * are handled by the method instead. The `customizer` is invoked with five\n\t     * arguments: (objValue, srcValue, index|key, object, source).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     * @example\n\t     *\n\t     * function isGreeting(value) {\n\t     *   return /^h(?:i|ello)$/.test(value);\n\t     * }\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n\t     *     return true;\n\t     *   }\n\t     * }\n\t     *\n\t     * var object = { 'greeting': 'hello' };\n\t     * var source = { 'greeting': 'hi' };\n\t     *\n\t     * _.isMatchWith(object, source, customizer);\n\t     * // => true\n\t     */\n\t    function isMatchWith(object, source, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseIsMatch(object, source, getMatchData(source), customizer);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `NaN`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n\t     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n\t     * `undefined` and other non-number values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNaN(NaN);\n\t     * // => true\n\t     *\n\t     * _.isNaN(new Number(NaN));\n\t     * // => true\n\t     *\n\t     * isNaN(undefined);\n\t     * // => true\n\t     *\n\t     * _.isNaN(undefined);\n\t     * // => false\n\t     */\n\t    function isNaN(value) {\n\t      // An `NaN` primitive is the only value that is not equal to itself.\n\t      // Perform the `toStringTag` check first to avoid errors with some\n\t      // ActiveX objects in IE.\n\t      return isNumber(value) && value != +value;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a pristine native function.\n\t     *\n\t     * **Note:** This method can't reliably detect native functions in the presence\n\t     * of the core-js package because core-js circumvents this kind of detection.\n\t     * Despite multiple requests, the core-js maintainer has made it clear: any\n\t     * attempt to fix the detection will be obstructed. As a result, we're left\n\t     * with little choice but to throw an error. Unfortunately, this also affects\n\t     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n\t     * which rely on core-js.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a native function,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isNative(Array.prototype.push);\n\t     * // => true\n\t     *\n\t     * _.isNative(_);\n\t     * // => false\n\t     */\n\t    function isNative(value) {\n\t      if (isMaskable(value)) {\n\t        throw new Error(CORE_ERROR_TEXT);\n\t      }\n\t      return baseIsNative(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `null`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNull(null);\n\t     * // => true\n\t     *\n\t     * _.isNull(void 0);\n\t     * // => false\n\t     */\n\t    function isNull(value) {\n\t      return value === null;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `null` or `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNil(null);\n\t     * // => true\n\t     *\n\t     * _.isNil(void 0);\n\t     * // => true\n\t     *\n\t     * _.isNil(NaN);\n\t     * // => false\n\t     */\n\t    function isNil(value) {\n\t      return value == null;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Number` primitive or object.\n\t     *\n\t     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n\t     * classified as numbers, use the `_.isFinite` method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNumber(3);\n\t     * // => true\n\t     *\n\t     * _.isNumber(Number.MIN_VALUE);\n\t     * // => true\n\t     *\n\t     * _.isNumber(Infinity);\n\t     * // => true\n\t     *\n\t     * _.isNumber('3');\n\t     * // => false\n\t     */\n\t    function isNumber(value) {\n\t      return typeof value == 'number' ||\n\t        (isObjectLike(value) && baseGetTag(value) == numberTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a plain object, that is, an object created by the\n\t     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.8.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * _.isPlainObject(new Foo);\n\t     * // => false\n\t     *\n\t     * _.isPlainObject([1, 2, 3]);\n\t     * // => false\n\t     *\n\t     * _.isPlainObject({ 'x': 0, 'y': 0 });\n\t     * // => true\n\t     *\n\t     * _.isPlainObject(Object.create(null));\n\t     * // => true\n\t     */\n\t    function isPlainObject(value) {\n\t      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n\t        return false;\n\t      }\n\t      var proto = getPrototype(value);\n\t      if (proto === null) {\n\t        return true;\n\t      }\n\t      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n\t      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n\t        funcToString.call(Ctor) == objectCtorString;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `RegExp` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n\t     * @example\n\t     *\n\t     * _.isRegExp(/abc/);\n\t     * // => true\n\t     *\n\t     * _.isRegExp('/abc/');\n\t     * // => false\n\t     */\n\t    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\t\n\t    /**\n\t     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n\t     * double precision number which isn't the result of a rounded unsafe integer.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSafeInteger(3);\n\t     * // => true\n\t     *\n\t     * _.isSafeInteger(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isSafeInteger(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isSafeInteger('3');\n\t     * // => false\n\t     */\n\t    function isSafeInteger(value) {\n\t      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Set` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSet(new Set);\n\t     * // => true\n\t     *\n\t     * _.isSet(new WeakSet);\n\t     * // => false\n\t     */\n\t    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `String` primitive or object.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n\t     * @example\n\t     *\n\t     * _.isString('abc');\n\t     * // => true\n\t     *\n\t     * _.isString(1);\n\t     * // => false\n\t     */\n\t    function isString(value) {\n\t      return typeof value == 'string' ||\n\t        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Symbol` primitive or object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSymbol(Symbol.iterator);\n\t     * // => true\n\t     *\n\t     * _.isSymbol('abc');\n\t     * // => false\n\t     */\n\t    function isSymbol(value) {\n\t      return typeof value == 'symbol' ||\n\t        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a typed array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n\t     * @example\n\t     *\n\t     * _.isTypedArray(new Uint8Array);\n\t     * // => true\n\t     *\n\t     * _.isTypedArray([]);\n\t     * // => false\n\t     */\n\t    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\t\n\t    /**\n\t     * Checks if `value` is `undefined`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isUndefined(void 0);\n\t     * // => true\n\t     *\n\t     * _.isUndefined(null);\n\t     * // => false\n\t     */\n\t    function isUndefined(value) {\n\t      return value === undefined;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `WeakMap` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n\t     * @example\n\t     *\n\t     * _.isWeakMap(new WeakMap);\n\t     * // => true\n\t     *\n\t     * _.isWeakMap(new Map);\n\t     * // => false\n\t     */\n\t    function isWeakMap(value) {\n\t      return isObjectLike(value) && getTag(value) == weakMapTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `WeakSet` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n\t     * @example\n\t     *\n\t     * _.isWeakSet(new WeakSet);\n\t     * // => true\n\t     *\n\t     * _.isWeakSet(new Set);\n\t     * // => false\n\t     */\n\t    function isWeakSet(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is less than `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t     *  else `false`.\n\t     * @see _.gt\n\t     * @example\n\t     *\n\t     * _.lt(1, 3);\n\t     * // => true\n\t     *\n\t     * _.lt(3, 3);\n\t     * // => false\n\t     *\n\t     * _.lt(3, 1);\n\t     * // => false\n\t     */\n\t    var lt = createRelationalOperation(baseLt);\n\t\n\t    /**\n\t     * Checks if `value` is less than or equal to `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than or equal to\n\t     *  `other`, else `false`.\n\t     * @see _.gte\n\t     * @example\n\t     *\n\t     * _.lte(1, 3);\n\t     * // => true\n\t     *\n\t     * _.lte(3, 3);\n\t     * // => true\n\t     *\n\t     * _.lte(3, 1);\n\t     * // => false\n\t     */\n\t    var lte = createRelationalOperation(function(value, other) {\n\t      return value <= other;\n\t    });\n\t\n\t    /**\n\t     * Converts `value` to an array.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {Array} Returns the converted array.\n\t     * @example\n\t     *\n\t     * _.toArray({ 'a': 1, 'b': 2 });\n\t     * // => [1, 2]\n\t     *\n\t     * _.toArray('abc');\n\t     * // => ['a', 'b', 'c']\n\t     *\n\t     * _.toArray(1);\n\t     * // => []\n\t     *\n\t     * _.toArray(null);\n\t     * // => []\n\t     */\n\t    function toArray(value) {\n\t      if (!value) {\n\t        return [];\n\t      }\n\t      if (isArrayLike(value)) {\n\t        return isString(value) ? stringToArray(value) : copyArray(value);\n\t      }\n\t      if (symIterator && value[symIterator]) {\n\t        return iteratorToArray(value[symIterator]());\n\t      }\n\t      var tag = getTag(value),\n\t          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\t\n\t      return func(value);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a finite number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.12.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted number.\n\t     * @example\n\t     *\n\t     * _.toFinite(3.2);\n\t     * // => 3.2\n\t     *\n\t     * _.toFinite(Number.MIN_VALUE);\n\t     * // => 5e-324\n\t     *\n\t     * _.toFinite(Infinity);\n\t     * // => 1.7976931348623157e+308\n\t     *\n\t     * _.toFinite('3.2');\n\t     * // => 3.2\n\t     */\n\t    function toFinite(value) {\n\t      if (!value) {\n\t        return value === 0 ? value : 0;\n\t      }\n\t      value = toNumber(value);\n\t      if (value === INFINITY || value === -INFINITY) {\n\t        var sign = (value < 0 ? -1 : 1);\n\t        return sign * MAX_INTEGER;\n\t      }\n\t      return value === value ? value : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to an integer.\n\t     *\n\t     * **Note:** This method is loosely based on\n\t     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toInteger(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toInteger(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toInteger(Infinity);\n\t     * // => 1.7976931348623157e+308\n\t     *\n\t     * _.toInteger('3.2');\n\t     * // => 3\n\t     */\n\t    function toInteger(value) {\n\t      var result = toFinite(value),\n\t          remainder = result % 1;\n\t\n\t      return result === result ? (remainder ? result - remainder : result) : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to an integer suitable for use as the length of an\n\t     * array-like object.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toLength(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toLength(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toLength(Infinity);\n\t     * // => 4294967295\n\t     *\n\t     * _.toLength('3.2');\n\t     * // => 3\n\t     */\n\t    function toLength(value) {\n\t      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to process.\n\t     * @returns {number} Returns the number.\n\t     * @example\n\t     *\n\t     * _.toNumber(3.2);\n\t     * // => 3.2\n\t     *\n\t     * _.toNumber(Number.MIN_VALUE);\n\t     * // => 5e-324\n\t     *\n\t     * _.toNumber(Infinity);\n\t     * // => Infinity\n\t     *\n\t     * _.toNumber('3.2');\n\t     * // => 3.2\n\t     */\n\t    function toNumber(value) {\n\t      if (typeof value == 'number') {\n\t        return value;\n\t      }\n\t      if (isSymbol(value)) {\n\t        return NAN;\n\t      }\n\t      if (isObject(value)) {\n\t        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n\t        value = isObject(other) ? (other + '') : other;\n\t      }\n\t      if (typeof value != 'string') {\n\t        return value === 0 ? value : +value;\n\t      }\n\t      value = value.replace(reTrim, '');\n\t      var isBinary = reIsBinary.test(value);\n\t      return (isBinary || reIsOctal.test(value))\n\t        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n\t        : (reIsBadHex.test(value) ? NAN : +value);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a plain object flattening inherited enumerable string\n\t     * keyed properties of `value` to own properties of the plain object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {Object} Returns the converted plain object.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.assign({ 'a': 1 }, new Foo);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     *\n\t     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n\t     * // => { 'a': 1, 'b': 2, 'c': 3 }\n\t     */\n\t    function toPlainObject(value) {\n\t      return copyObject(value, keysIn(value));\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a safe integer. A safe integer can be compared and\n\t     * represented correctly.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toSafeInteger(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toSafeInteger(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toSafeInteger(Infinity);\n\t     * // => 9007199254740991\n\t     *\n\t     * _.toSafeInteger('3.2');\n\t     * // => 3\n\t     */\n\t    function toSafeInteger(value) {\n\t      return value\n\t        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n\t        : (value === 0 ? value : 0);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a string. An empty string is returned for `null`\n\t     * and `undefined` values. The sign of `-0` is preserved.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.toString(null);\n\t     * // => ''\n\t     *\n\t     * _.toString(-0);\n\t     * // => '-0'\n\t     *\n\t     * _.toString([1, 2, 3]);\n\t     * // => '1,2,3'\n\t     */\n\t    function toString(value) {\n\t      return value == null ? '' : baseToString(value);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Assigns own enumerable string keyed properties of source objects to the\n\t     * destination object. Source objects are applied from left to right.\n\t     * Subsequent sources overwrite property assignments of previous sources.\n\t     *\n\t     * **Note:** This method mutates `object` and is loosely based on\n\t     * [`Object.assign`](https://mdn.io/Object/assign).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.10.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * function Bar() {\n\t     *   this.c = 3;\n\t     * }\n\t     *\n\t     * Foo.prototype.b = 2;\n\t     * Bar.prototype.d = 4;\n\t     *\n\t     * _.assign({ 'a': 0 }, new Foo, new Bar);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    var assign = createAssigner(function(object, source) {\n\t      if (isPrototype(source) || isArrayLike(source)) {\n\t        copyObject(source, keys(source), object);\n\t        return;\n\t      }\n\t      for (var key in source) {\n\t        if (hasOwnProperty.call(source, key)) {\n\t          assignValue(object, key, source[key]);\n\t        }\n\t      }\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it iterates over own and\n\t     * inherited source properties.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias extend\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assign\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * function Bar() {\n\t     *   this.c = 3;\n\t     * }\n\t     *\n\t     * Foo.prototype.b = 2;\n\t     * Bar.prototype.d = 4;\n\t     *\n\t     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n\t     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n\t     */\n\t    var assignIn = createAssigner(function(object, source) {\n\t      copyObject(source, keysIn(source), object);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assignIn` except that it accepts `customizer`\n\t     * which is invoked to produce the assigned values. If `customizer` returns\n\t     * `undefined`, assignment is handled by the method instead. The `customizer`\n\t     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias extendWith\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignWith\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   return _.isUndefined(objValue) ? srcValue : objValue;\n\t     * }\n\t     *\n\t     * var defaults = _.partialRight(_.assignInWith, customizer);\n\t     *\n\t     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      copyObject(source, keysIn(source), object, customizer);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it accepts `customizer`\n\t     * which is invoked to produce the assigned values. If `customizer` returns\n\t     * `undefined`, assignment is handled by the method instead. The `customizer`\n\t     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignInWith\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   return _.isUndefined(objValue) ? srcValue : objValue;\n\t     * }\n\t     *\n\t     * var defaults = _.partialRight(_.assignWith, customizer);\n\t     *\n\t     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      copyObject(source, keys(source), object, customizer);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of values corresponding to `paths` of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Array} Returns the picked values.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t     *\n\t     * _.at(object, ['a[0].b.c', 'a[1]']);\n\t     * // => [3, 4]\n\t     */\n\t    var at = flatRest(baseAt);\n\t\n\t    /**\n\t     * Creates an object that inherits from the `prototype` object. If a\n\t     * `properties` object is given, its own enumerable string keyed properties\n\t     * are assigned to the created object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.3.0\n\t     * @category Object\n\t     * @param {Object} prototype The object to inherit from.\n\t     * @param {Object} [properties] The properties to assign to the object.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * function Shape() {\n\t     *   this.x = 0;\n\t     *   this.y = 0;\n\t     * }\n\t     *\n\t     * function Circle() {\n\t     *   Shape.call(this);\n\t     * }\n\t     *\n\t     * Circle.prototype = _.create(Shape.prototype, {\n\t     *   'constructor': Circle\n\t     * });\n\t     *\n\t     * var circle = new Circle;\n\t     * circle instanceof Circle;\n\t     * // => true\n\t     *\n\t     * circle instanceof Shape;\n\t     * // => true\n\t     */\n\t    function create(prototype, properties) {\n\t      var result = baseCreate(prototype);\n\t      return properties == null ? result : baseAssign(result, properties);\n\t    }\n\t\n\t    /**\n\t     * Assigns own and inherited enumerable string keyed properties of source\n\t     * objects to the destination object for all destination properties that\n\t     * resolve to `undefined`. Source objects are applied from left to right.\n\t     * Once a property is set, additional values of the same property are ignored.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.defaultsDeep\n\t     * @example\n\t     *\n\t     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var defaults = baseRest(function(args) {\n\t      args.push(undefined, customDefaultsAssignIn);\n\t      return apply(assignInWith, undefined, args);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.defaults` except that it recursively assigns\n\t     * default properties.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.defaults\n\t     * @example\n\t     *\n\t     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n\t     * // => { 'a': { 'b': 2, 'c': 3 } }\n\t     */\n\t    var defaultsDeep = baseRest(function(args) {\n\t      args.push(undefined, customDefaultsMerge);\n\t      return apply(mergeWith, undefined, args);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.find` except that it returns the key of the first\n\t     * element `predicate` returns truthy for instead of the element itself.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {string|undefined} Returns the key of the matched element,\n\t     *  else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'barney':  { 'age': 36, 'active': true },\n\t     *   'fred':    { 'age': 40, 'active': false },\n\t     *   'pebbles': { 'age': 1,  'active': true }\n\t     * };\n\t     *\n\t     * _.findKey(users, function(o) { return o.age < 40; });\n\t     * // => 'barney' (iteration order is not guaranteed)\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findKey(users, { 'age': 1, 'active': true });\n\t     * // => 'pebbles'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findKey(users, ['active', false]);\n\t     * // => 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findKey(users, 'active');\n\t     * // => 'barney'\n\t     */\n\t    function findKey(object, predicate) {\n\t      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.findKey` except that it iterates over elements of\n\t     * a collection in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {string|undefined} Returns the key of the matched element,\n\t     *  else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'barney':  { 'age': 36, 'active': true },\n\t     *   'fred':    { 'age': 40, 'active': false },\n\t     *   'pebbles': { 'age': 1,  'active': true }\n\t     * };\n\t     *\n\t     * _.findLastKey(users, function(o) { return o.age < 40; });\n\t     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findLastKey(users, { 'age': 36, 'active': true });\n\t     * // => 'barney'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findLastKey(users, ['active', false]);\n\t     * // => 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findLastKey(users, 'active');\n\t     * // => 'pebbles'\n\t     */\n\t    function findLastKey(object, predicate) {\n\t      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n\t    }\n\t\n\t    /**\n\t     * Iterates over own and inherited enumerable string keyed properties of an\n\t     * object and invokes `iteratee` for each property. The iteratee is invoked\n\t     * with three arguments: (value, key, object). Iteratee functions may exit\n\t     * iteration early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forInRight\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forIn(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n\t     */\n\t    function forIn(object, iteratee) {\n\t      return object == null\n\t        ? object\n\t        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forIn` except that it iterates over properties of\n\t     * `object` in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forInRight(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n\t     */\n\t    function forInRight(object, iteratee) {\n\t      return object == null\n\t        ? object\n\t        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n\t    }\n\t\n\t    /**\n\t     * Iterates over own enumerable string keyed properties of an object and\n\t     * invokes `iteratee` for each property. The iteratee is invoked with three\n\t     * arguments: (value, key, object). Iteratee functions may exit iteration\n\t     * early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forOwnRight\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forOwn(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t     */\n\t    function forOwn(object, iteratee) {\n\t      return object && baseForOwn(object, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forOwn` except that it iterates over properties of\n\t     * `object` in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forOwn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forOwnRight(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n\t     */\n\t    function forOwnRight(object, iteratee) {\n\t      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of function property names from own enumerable properties\n\t     * of `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @returns {Array} Returns the function names.\n\t     * @see _.functionsIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = _.constant('a');\n\t     *   this.b = _.constant('b');\n\t     * }\n\t     *\n\t     * Foo.prototype.c = _.constant('c');\n\t     *\n\t     * _.functions(new Foo);\n\t     * // => ['a', 'b']\n\t     */\n\t    function functions(object) {\n\t      return object == null ? [] : baseFunctions(object, keys(object));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of function property names from own and inherited\n\t     * enumerable properties of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @returns {Array} Returns the function names.\n\t     * @see _.functions\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = _.constant('a');\n\t     *   this.b = _.constant('b');\n\t     * }\n\t     *\n\t     * Foo.prototype.c = _.constant('c');\n\t     *\n\t     * _.functionsIn(new Foo);\n\t     * // => ['a', 'b', 'c']\n\t     */\n\t    function functionsIn(object) {\n\t      return object == null ? [] : baseFunctions(object, keysIn(object));\n\t    }\n\t\n\t    /**\n\t     * Gets the value at `path` of `object`. If the resolved value is\n\t     * `undefined`, the `defaultValue` is returned in its place.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.get(object, 'a[0].b.c');\n\t     * // => 3\n\t     *\n\t     * _.get(object, ['a', '0', 'b', 'c']);\n\t     * // => 3\n\t     *\n\t     * _.get(object, 'a.b.c', 'default');\n\t     * // => 'default'\n\t     */\n\t    function get(object, path, defaultValue) {\n\t      var result = object == null ? undefined : baseGet(object, path);\n\t      return result === undefined ? defaultValue : result;\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` is a direct property of `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': { 'b': 2 } };\n\t     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n\t     *\n\t     * _.has(object, 'a');\n\t     * // => true\n\t     *\n\t     * _.has(object, 'a.b');\n\t     * // => true\n\t     *\n\t     * _.has(object, ['a', 'b']);\n\t     * // => true\n\t     *\n\t     * _.has(other, 'a');\n\t     * // => false\n\t     */\n\t    function has(object, path) {\n\t      return object != null && hasPath(object, path, baseHas);\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` is a direct or inherited property of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     * @example\n\t     *\n\t     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n\t     *\n\t     * _.hasIn(object, 'a');\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, 'a.b');\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, ['a', 'b']);\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, 'b');\n\t     * // => false\n\t     */\n\t    function hasIn(object, path) {\n\t      return object != null && hasPath(object, path, baseHasIn);\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of the inverted keys and values of `object`.\n\t     * If `object` contains duplicate values, subsequent values overwrite\n\t     * property assignments of previous values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to invert.\n\t     * @returns {Object} Returns the new inverted object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t     *\n\t     * _.invert(object);\n\t     * // => { '1': 'c', '2': 'b' }\n\t     */\n\t    var invert = createInverter(function(result, value, key) {\n\t      result[value] = key;\n\t    }, constant(identity));\n\t\n\t    /**\n\t     * This method is like `_.invert` except that the inverted object is generated\n\t     * from the results of running each element of `object` thru `iteratee`. The\n\t     * corresponding inverted value of each inverted key is an array of keys\n\t     * responsible for generating the inverted value. The iteratee is invoked\n\t     * with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.1.0\n\t     * @category Object\n\t     * @param {Object} object The object to invert.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Object} Returns the new inverted object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t     *\n\t     * _.invertBy(object);\n\t     * // => { '1': ['a', 'c'], '2': ['b'] }\n\t     *\n\t     * _.invertBy(object, function(value) {\n\t     *   return 'group' + value;\n\t     * });\n\t     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n\t     */\n\t    var invertBy = createInverter(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, value)) {\n\t        result[value].push(key);\n\t      } else {\n\t        result[value] = [key];\n\t      }\n\t    }, getIteratee);\n\t\n\t    /**\n\t     * Invokes the method at `path` of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {*} Returns the result of the invoked method.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n\t     *\n\t     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n\t     * // => [2, 3]\n\t     */\n\t    var invoke = baseRest(baseInvoke);\n\t\n\t    /**\n\t     * Creates an array of the own enumerable property names of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects. See the\n\t     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n\t     * for more details.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.keys(new Foo);\n\t     * // => ['a', 'b'] (iteration order is not guaranteed)\n\t     *\n\t     * _.keys('hi');\n\t     * // => ['0', '1']\n\t     */\n\t    function keys(object) {\n\t      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable property names of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.keysIn(new Foo);\n\t     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n\t     */\n\t    function keysIn(object) {\n\t      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.mapValues`; this method creates an object with the\n\t     * same values as `object` and keys generated by running each own enumerable\n\t     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n\t     * with three arguments: (value, key, object).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns the new mapped object.\n\t     * @see _.mapValues\n\t     * @example\n\t     *\n\t     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n\t     *   return key + value;\n\t     * });\n\t     * // => { 'a1': 1, 'b2': 2 }\n\t     */\n\t    function mapKeys(object, iteratee) {\n\t      var result = {};\n\t      iteratee = getIteratee(iteratee, 3);\n\t\n\t      baseForOwn(object, function(value, key, object) {\n\t        baseAssignValue(result, iteratee(value, key, object), value);\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an object with the same keys as `object` and values generated\n\t     * by running each own enumerable string keyed property of `object` thru\n\t     * `iteratee`. The iteratee is invoked with three arguments:\n\t     * (value, key, object).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns the new mapped object.\n\t     * @see _.mapKeys\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'fred':    { 'user': 'fred',    'age': 40 },\n\t     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n\t     * };\n\t     *\n\t     * _.mapValues(users, function(o) { return o.age; });\n\t     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.mapValues(users, 'age');\n\t     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t     */\n\t    function mapValues(object, iteratee) {\n\t      var result = {};\n\t      iteratee = getIteratee(iteratee, 3);\n\t\n\t      baseForOwn(object, function(value, key, object) {\n\t        baseAssignValue(result, key, iteratee(value, key, object));\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it recursively merges own and\n\t     * inherited enumerable string keyed properties of source objects into the\n\t     * destination object. Source properties that resolve to `undefined` are\n\t     * skipped if a destination value exists. Array and plain object properties\n\t     * are merged recursively. Other objects and value types are overridden by\n\t     * assignment. Source objects are applied from left to right. Subsequent\n\t     * sources overwrite property assignments of previous sources.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {\n\t     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n\t     * };\n\t     *\n\t     * var other = {\n\t     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n\t     * };\n\t     *\n\t     * _.merge(object, other);\n\t     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n\t     */\n\t    var merge = createAssigner(function(object, source, srcIndex) {\n\t      baseMerge(object, source, srcIndex);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.merge` except that it accepts `customizer` which\n\t     * is invoked to produce the merged values of the destination and source\n\t     * properties. If `customizer` returns `undefined`, merging is handled by the\n\t     * method instead. The `customizer` is invoked with six arguments:\n\t     * (objValue, srcValue, key, object, source, stack).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} customizer The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   if (_.isArray(objValue)) {\n\t     *     return objValue.concat(srcValue);\n\t     *   }\n\t     * }\n\t     *\n\t     * var object = { 'a': [1], 'b': [2] };\n\t     * var other = { 'a': [3], 'b': [4] };\n\t     *\n\t     * _.mergeWith(object, other, customizer);\n\t     * // => { 'a': [1, 3], 'b': [2, 4] }\n\t     */\n\t    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      baseMerge(object, source, srcIndex, customizer);\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.pick`; this method creates an object composed of the\n\t     * own and inherited enumerable property paths of `object` that are not omitted.\n\t     *\n\t     * **Note:** This method is considerably slower than `_.pick`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {...(string|string[])} [paths] The property paths to omit.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.omit(object, ['a', 'c']);\n\t     * // => { 'b': '2' }\n\t     */\n\t    var omit = flatRest(function(object, paths) {\n\t      var result = {};\n\t      if (object == null) {\n\t        return result;\n\t      }\n\t      var isDeep = false;\n\t      paths = arrayMap(paths, function(path) {\n\t        path = castPath(path, object);\n\t        isDeep || (isDeep = path.length > 1);\n\t        return path;\n\t      });\n\t      copyObject(object, getAllKeysIn(object), result);\n\t      if (isDeep) {\n\t        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n\t      }\n\t      var length = paths.length;\n\t      while (length--) {\n\t        baseUnset(result, paths[length]);\n\t      }\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.pickBy`; this method creates an object composed of\n\t     * the own and inherited enumerable string keyed properties of `object` that\n\t     * `predicate` doesn't return truthy for. The predicate is invoked with two\n\t     * arguments: (value, key).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {Function} [predicate=_.identity] The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.omitBy(object, _.isNumber);\n\t     * // => { 'b': '2' }\n\t     */\n\t    function omitBy(object, predicate) {\n\t      return pickBy(object, negate(getIteratee(predicate)));\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of the picked `object` properties.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.pick(object, ['a', 'c']);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    var pick = flatRest(function(object, paths) {\n\t      return object == null ? {} : basePick(object, paths);\n\t    });\n\t\n\t    /**\n\t     * Creates an object composed of the `object` properties `predicate` returns\n\t     * truthy for. The predicate is invoked with two arguments: (value, key).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {Function} [predicate=_.identity] The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.pickBy(object, _.isNumber);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    function pickBy(object, predicate) {\n\t      if (object == null) {\n\t        return {};\n\t      }\n\t      var props = arrayMap(getAllKeysIn(object), function(prop) {\n\t        return [prop];\n\t      });\n\t      predicate = getIteratee(predicate);\n\t      return basePickBy(object, props, function(value, path) {\n\t        return predicate(value, path[0]);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.get` except that if the resolved value is a\n\t     * function it's invoked with the `this` binding of its parent object and\n\t     * its result is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to resolve.\n\t     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n\t     *\n\t     * _.result(object, 'a[0].b.c1');\n\t     * // => 3\n\t     *\n\t     * _.result(object, 'a[0].b.c2');\n\t     * // => 4\n\t     *\n\t     * _.result(object, 'a[0].b.c3', 'default');\n\t     * // => 'default'\n\t     *\n\t     * _.result(object, 'a[0].b.c3', _.constant('default'));\n\t     * // => 'default'\n\t     */\n\t    function result(object, path, defaultValue) {\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length;\n\t\n\t      // Ensure the loop is entered when path is empty.\n\t      if (!length) {\n\t        length = 1;\n\t        object = undefined;\n\t      }\n\t      while (++index < length) {\n\t        var value = object == null ? undefined : object[toKey(path[index])];\n\t        if (value === undefined) {\n\t          index = length;\n\t          value = defaultValue;\n\t        }\n\t        object = isFunction(value) ? value.call(object) : value;\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n\t     * it's created. Arrays are created for missing index properties while objects\n\t     * are created for all other missing properties. Use `_.setWith` to customize\n\t     * `path` creation.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.set(object, 'a[0].b.c', 4);\n\t     * console.log(object.a[0].b.c);\n\t     * // => 4\n\t     *\n\t     * _.set(object, ['x', '0', 'y', 'z'], 5);\n\t     * console.log(object.x[0].y.z);\n\t     * // => 5\n\t     */\n\t    function set(object, path, value) {\n\t      return object == null ? object : baseSet(object, path, value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.set` except that it accepts `customizer` which is\n\t     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n\t     * path creation is handled by the method instead. The `customizer` is invoked\n\t     * with three arguments: (nsValue, key, nsObject).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {};\n\t     *\n\t     * _.setWith(object, '[0][1]', 'a', Object);\n\t     * // => { '0': { '1': 'a' } }\n\t     */\n\t    function setWith(object, path, value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return object == null ? object : baseSet(object, path, value, customizer);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own enumerable string keyed-value pairs for `object`\n\t     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n\t     * entries are returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias entries\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the key-value pairs.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.toPairs(new Foo);\n\t     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n\t     */\n\t    var toPairs = createToPairs(keys);\n\t\n\t    /**\n\t     * Creates an array of own and inherited enumerable string keyed-value pairs\n\t     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n\t     * or set, its entries are returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias entriesIn\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the key-value pairs.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.toPairsIn(new Foo);\n\t     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n\t     */\n\t    var toPairsIn = createToPairs(keysIn);\n\t\n\t    /**\n\t     * An alternative to `_.reduce`; this method transforms `object` to a new\n\t     * `accumulator` object which is the result of running each of its own\n\t     * enumerable string keyed properties thru `iteratee`, with each invocation\n\t     * potentially mutating the `accumulator` object. If `accumulator` is not\n\t     * provided, a new object with the same `[[Prototype]]` will be used. The\n\t     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The custom accumulator value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @example\n\t     *\n\t     * _.transform([2, 3, 4], function(result, n) {\n\t     *   result.push(n *= n);\n\t     *   return n % 2 == 0;\n\t     * }, []);\n\t     * // => [4, 9]\n\t     *\n\t     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t     *   (result[value] || (result[value] = [])).push(key);\n\t     * }, {});\n\t     * // => { '1': ['a', 'c'], '2': ['b'] }\n\t     */\n\t    function transform(object, iteratee, accumulator) {\n\t      var isArr = isArray(object),\n\t          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\t\n\t      iteratee = getIteratee(iteratee, 4);\n\t      if (accumulator == null) {\n\t        var Ctor = object && object.constructor;\n\t        if (isArrLike) {\n\t          accumulator = isArr ? new Ctor : [];\n\t        }\n\t        else if (isObject(object)) {\n\t          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n\t        }\n\t        else {\n\t          accumulator = {};\n\t        }\n\t      }\n\t      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n\t        return iteratee(accumulator, value, index, object);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * Removes the property at `path` of `object`.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to unset.\n\t     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n\t     * _.unset(object, 'a[0].b.c');\n\t     * // => true\n\t     *\n\t     * console.log(object);\n\t     * // => { 'a': [{ 'b': {} }] };\n\t     *\n\t     * _.unset(object, ['a', '0', 'b', 'c']);\n\t     * // => true\n\t     *\n\t     * console.log(object);\n\t     * // => { 'a': [{ 'b': {} }] };\n\t     */\n\t    function unset(object, path) {\n\t      return object == null ? true : baseUnset(object, path);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.set` except that accepts `updater` to produce the\n\t     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n\t     * is invoked with one argument: (value).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n\t     * console.log(object.a[0].b.c);\n\t     * // => 9\n\t     *\n\t     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n\t     * console.log(object.x[0].y.z);\n\t     * // => 0\n\t     */\n\t    function update(object, path, updater) {\n\t      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.update` except that it accepts `customizer` which is\n\t     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n\t     * path creation is handled by the method instead. The `customizer` is invoked\n\t     * with three arguments: (nsValue, key, nsObject).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {};\n\t     *\n\t     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n\t     * // => { '0': { '1': 'a' } }\n\t     */\n\t    function updateWith(object, path, updater, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own enumerable string keyed property values of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property values.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.values(new Foo);\n\t     * // => [1, 2] (iteration order is not guaranteed)\n\t     *\n\t     * _.values('hi');\n\t     * // => ['h', 'i']\n\t     */\n\t    function values(object) {\n\t      return object == null ? [] : baseValues(object, keys(object));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable string keyed property\n\t     * values of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property values.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.valuesIn(new Foo);\n\t     * // => [1, 2, 3] (iteration order is not guaranteed)\n\t     */\n\t    function valuesIn(object) {\n\t      return object == null ? [] : baseValues(object, keysIn(object));\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Number\n\t     * @param {number} number The number to clamp.\n\t     * @param {number} [lower] The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the clamped number.\n\t     * @example\n\t     *\n\t     * _.clamp(-10, -5, 5);\n\t     * // => -5\n\t     *\n\t     * _.clamp(10, -5, 5);\n\t     * // => 5\n\t     */\n\t    function clamp(number, lower, upper) {\n\t      if (upper === undefined) {\n\t        upper = lower;\n\t        lower = undefined;\n\t      }\n\t      if (upper !== undefined) {\n\t        upper = toNumber(upper);\n\t        upper = upper === upper ? upper : 0;\n\t      }\n\t      if (lower !== undefined) {\n\t        lower = toNumber(lower);\n\t        lower = lower === lower ? lower : 0;\n\t      }\n\t      return baseClamp(toNumber(number), lower, upper);\n\t    }\n\t\n\t    /**\n\t     * Checks if `n` is between `start` and up to, but not including, `end`. If\n\t     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n\t     * If `start` is greater than `end` the params are swapped to support\n\t     * negative ranges.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.3.0\n\t     * @category Number\n\t     * @param {number} number The number to check.\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t     * @see _.range, _.rangeRight\n\t     * @example\n\t     *\n\t     * _.inRange(3, 2, 4);\n\t     * // => true\n\t     *\n\t     * _.inRange(4, 8);\n\t     * // => true\n\t     *\n\t     * _.inRange(4, 2);\n\t     * // => false\n\t     *\n\t     * _.inRange(2, 2);\n\t     * // => false\n\t     *\n\t     * _.inRange(1.2, 2);\n\t     * // => true\n\t     *\n\t     * _.inRange(5.2, 4);\n\t     * // => false\n\t     *\n\t     * _.inRange(-3, -2, -6);\n\t     * // => true\n\t     */\n\t    function inRange(number, start, end) {\n\t      start = toFinite(start);\n\t      if (end === undefined) {\n\t        end = start;\n\t        start = 0;\n\t      } else {\n\t        end = toFinite(end);\n\t      }\n\t      number = toNumber(number);\n\t      return baseInRange(number, start, end);\n\t    }\n\t\n\t    /**\n\t     * Produces a random number between the inclusive `lower` and `upper` bounds.\n\t     * If only one argument is provided a number between `0` and the given number\n\t     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n\t     * floats, a floating-point number is returned instead of an integer.\n\t     *\n\t     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t     * floating-point values which can produce unexpected results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.7.0\n\t     * @category Number\n\t     * @param {number} [lower=0] The lower bound.\n\t     * @param {number} [upper=1] The upper bound.\n\t     * @param {boolean} [floating] Specify returning a floating-point number.\n\t     * @returns {number} Returns the random number.\n\t     * @example\n\t     *\n\t     * _.random(0, 5);\n\t     * // => an integer between 0 and 5\n\t     *\n\t     * _.random(5);\n\t     * // => also an integer between 0 and 5\n\t     *\n\t     * _.random(5, true);\n\t     * // => a floating-point number between 0 and 5\n\t     *\n\t     * _.random(1.2, 5.2);\n\t     * // => a floating-point number between 1.2 and 5.2\n\t     */\n\t    function random(lower, upper, floating) {\n\t      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n\t        upper = floating = undefined;\n\t      }\n\t      if (floating === undefined) {\n\t        if (typeof upper == 'boolean') {\n\t          floating = upper;\n\t          upper = undefined;\n\t        }\n\t        else if (typeof lower == 'boolean') {\n\t          floating = lower;\n\t          lower = undefined;\n\t        }\n\t      }\n\t      if (lower === undefined && upper === undefined) {\n\t        lower = 0;\n\t        upper = 1;\n\t      }\n\t      else {\n\t        lower = toFinite(lower);\n\t        if (upper === undefined) {\n\t          upper = lower;\n\t          lower = 0;\n\t        } else {\n\t          upper = toFinite(upper);\n\t        }\n\t      }\n\t      if (lower > upper) {\n\t        var temp = lower;\n\t        lower = upper;\n\t        upper = temp;\n\t      }\n\t      if (floating || lower % 1 || upper % 1) {\n\t        var rand = nativeRandom();\n\t        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n\t      }\n\t      return baseRandom(lower, upper);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the camel cased string.\n\t     * @example\n\t     *\n\t     * _.camelCase('Foo Bar');\n\t     * // => 'fooBar'\n\t     *\n\t     * _.camelCase('--foo-bar--');\n\t     * // => 'fooBar'\n\t     *\n\t     * _.camelCase('__FOO_BAR__');\n\t     * // => 'fooBar'\n\t     */\n\t    var camelCase = createCompounder(function(result, word, index) {\n\t      word = word.toLowerCase();\n\t      return result + (index ? capitalize(word) : word);\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to upper case and the remaining\n\t     * to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to capitalize.\n\t     * @returns {string} Returns the capitalized string.\n\t     * @example\n\t     *\n\t     * _.capitalize('FRED');\n\t     * // => 'Fred'\n\t     */\n\t    function capitalize(string) {\n\t      return upperFirst(toString(string).toLowerCase());\n\t    }\n\t\n\t    /**\n\t     * Deburrs `string` by converting\n\t     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n\t     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n\t     * letters to basic Latin letters and removing\n\t     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to deburr.\n\t     * @returns {string} Returns the deburred string.\n\t     * @example\n\t     *\n\t     * _.deburr('déjà vu');\n\t     * // => 'deja vu'\n\t     */\n\t    function deburr(string) {\n\t      string = toString(string);\n\t      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n\t    }\n\t\n\t    /**\n\t     * Checks if `string` ends with the given target string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {string} [target] The string to search for.\n\t     * @param {number} [position=string.length] The position to search up to.\n\t     * @returns {boolean} Returns `true` if `string` ends with `target`,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.endsWith('abc', 'c');\n\t     * // => true\n\t     *\n\t     * _.endsWith('abc', 'b');\n\t     * // => false\n\t     *\n\t     * _.endsWith('abc', 'b', 2);\n\t     * // => true\n\t     */\n\t    function endsWith(string, target, position) {\n\t      string = toString(string);\n\t      target = baseToString(target);\n\t\n\t      var length = string.length;\n\t      position = position === undefined\n\t        ? length\n\t        : baseClamp(toInteger(position), 0, length);\n\t\n\t      var end = position;\n\t      position -= target.length;\n\t      return position >= 0 && string.slice(position, end) == target;\n\t    }\n\t\n\t    /**\n\t     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n\t     * corresponding HTML entities.\n\t     *\n\t     * **Note:** No other characters are escaped. To escape additional\n\t     * characters use a third-party library like [_he_](https://mths.be/he).\n\t     *\n\t     * Though the \">\" character is escaped for symmetry, characters like\n\t     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n\t     * unless they're part of a tag or unquoted attribute value. See\n\t     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n\t     * (under \"semi-related fun fact\") for more details.\n\t     *\n\t     * When working with HTML you should always\n\t     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n\t     * XSS vectors.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category String\n\t     * @param {string} [string=''] The string to escape.\n\t     * @returns {string} Returns the escaped string.\n\t     * @example\n\t     *\n\t     * _.escape('fred, barney, & pebbles');\n\t     * // => 'fred, barney, &amp; pebbles'\n\t     */\n\t    function escape(string) {\n\t      string = toString(string);\n\t      return (string && reHasUnescapedHtml.test(string))\n\t        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n\t     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to escape.\n\t     * @returns {string} Returns the escaped string.\n\t     * @example\n\t     *\n\t     * _.escapeRegExp('[lodash](https://lodash.com/)');\n\t     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n\t     */\n\t    function escapeRegExp(string) {\n\t      string = toString(string);\n\t      return (string && reHasRegExpChar.test(string))\n\t        ? string.replace(reRegExpChar, '\\\\$&')\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the kebab cased string.\n\t     * @example\n\t     *\n\t     * _.kebabCase('Foo Bar');\n\t     * // => 'foo-bar'\n\t     *\n\t     * _.kebabCase('fooBar');\n\t     * // => 'foo-bar'\n\t     *\n\t     * _.kebabCase('__FOO_BAR__');\n\t     * // => 'foo-bar'\n\t     */\n\t    var kebabCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? '-' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Converts `string`, as space separated words, to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the lower cased string.\n\t     * @example\n\t     *\n\t     * _.lowerCase('--Foo-Bar--');\n\t     * // => 'foo bar'\n\t     *\n\t     * _.lowerCase('fooBar');\n\t     * // => 'foo bar'\n\t     *\n\t     * _.lowerCase('__FOO_BAR__');\n\t     * // => 'foo bar'\n\t     */\n\t    var lowerCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.lowerFirst('Fred');\n\t     * // => 'fred'\n\t     *\n\t     * _.lowerFirst('FRED');\n\t     * // => 'fRED'\n\t     */\n\t    var lowerFirst = createCaseFirst('toLowerCase');\n\t\n\t    /**\n\t     * Pads `string` on the left and right sides if it's shorter than `length`.\n\t     * Padding characters are truncated if they can't be evenly divided by `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.pad('abc', 8);\n\t     * // => '  abc   '\n\t     *\n\t     * _.pad('abc', 8, '_-');\n\t     * // => '_-abc_-_'\n\t     *\n\t     * _.pad('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function pad(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      if (!length || strLength >= length) {\n\t        return string;\n\t      }\n\t      var mid = (length - strLength) / 2;\n\t      return (\n\t        createPadding(nativeFloor(mid), chars) +\n\t        string +\n\t        createPadding(nativeCeil(mid), chars)\n\t      );\n\t    }\n\t\n\t    /**\n\t     * Pads `string` on the right side if it's shorter than `length`. Padding\n\t     * characters are truncated if they exceed `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.padEnd('abc', 6);\n\t     * // => 'abc   '\n\t     *\n\t     * _.padEnd('abc', 6, '_-');\n\t     * // => 'abc_-_'\n\t     *\n\t     * _.padEnd('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function padEnd(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      return (length && strLength < length)\n\t        ? (string + createPadding(length - strLength, chars))\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Pads `string` on the left side if it's shorter than `length`. Padding\n\t     * characters are truncated if they exceed `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.padStart('abc', 6);\n\t     * // => '   abc'\n\t     *\n\t     * _.padStart('abc', 6, '_-');\n\t     * // => '_-_abc'\n\t     *\n\t     * _.padStart('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function padStart(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      return (length && strLength < length)\n\t        ? (createPadding(length - strLength, chars) + string)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to an integer of the specified radix. If `radix` is\n\t     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n\t     * hexadecimal, in which case a `radix` of `16` is used.\n\t     *\n\t     * **Note:** This method aligns with the\n\t     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category String\n\t     * @param {string} string The string to convert.\n\t     * @param {number} [radix=10] The radix to interpret `value` by.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.parseInt('08');\n\t     * // => 8\n\t     *\n\t     * _.map(['6', '08', '10'], _.parseInt);\n\t     * // => [6, 8, 10]\n\t     */\n\t    function parseInt(string, radix, guard) {\n\t      if (guard || radix == null) {\n\t        radix = 0;\n\t      } else if (radix) {\n\t        radix = +radix;\n\t      }\n\t      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n\t    }\n\t\n\t    /**\n\t     * Repeats the given string `n` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to repeat.\n\t     * @param {number} [n=1] The number of times to repeat the string.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the repeated string.\n\t     * @example\n\t     *\n\t     * _.repeat('*', 3);\n\t     * // => '***'\n\t     *\n\t     * _.repeat('abc', 2);\n\t     * // => 'abcabc'\n\t     *\n\t     * _.repeat('abc', 0);\n\t     * // => ''\n\t     */\n\t    function repeat(string, n, guard) {\n\t      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n\t        n = 1;\n\t      } else {\n\t        n = toInteger(n);\n\t      }\n\t      return baseRepeat(toString(string), n);\n\t    }\n\t\n\t    /**\n\t     * Replaces matches for `pattern` in `string` with `replacement`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`String#replace`](https://mdn.io/String/replace).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to modify.\n\t     * @param {RegExp|string} pattern The pattern to replace.\n\t     * @param {Function|string} replacement The match replacement.\n\t     * @returns {string} Returns the modified string.\n\t     * @example\n\t     *\n\t     * _.replace('Hi Fred', 'Fred', 'Barney');\n\t     * // => 'Hi Barney'\n\t     */\n\t    function replace() {\n\t      var args = arguments,\n\t          string = toString(args[0]);\n\t\n\t      return args.length < 3 ? string : string.replace(args[1], args[2]);\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the snake cased string.\n\t     * @example\n\t     *\n\t     * _.snakeCase('Foo Bar');\n\t     * // => 'foo_bar'\n\t     *\n\t     * _.snakeCase('fooBar');\n\t     * // => 'foo_bar'\n\t     *\n\t     * _.snakeCase('--FOO-BAR--');\n\t     * // => 'foo_bar'\n\t     */\n\t    var snakeCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? '_' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Splits `string` by `separator`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`String#split`](https://mdn.io/String/split).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to split.\n\t     * @param {RegExp|string} separator The separator pattern to split by.\n\t     * @param {number} [limit] The length to truncate results to.\n\t     * @returns {Array} Returns the string segments.\n\t     * @example\n\t     *\n\t     * _.split('a-b-c', '-', 2);\n\t     * // => ['a', 'b']\n\t     */\n\t    function split(string, separator, limit) {\n\t      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n\t        separator = limit = undefined;\n\t      }\n\t      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n\t      if (!limit) {\n\t        return [];\n\t      }\n\t      string = toString(string);\n\t      if (string && (\n\t            typeof separator == 'string' ||\n\t            (separator != null && !isRegExp(separator))\n\t          )) {\n\t        separator = baseToString(separator);\n\t        if (!separator && hasUnicode(string)) {\n\t          return castSlice(stringToArray(string), 0, limit);\n\t        }\n\t      }\n\t      return string.split(separator, limit);\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.1.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the start cased string.\n\t     * @example\n\t     *\n\t     * _.startCase('--foo-bar--');\n\t     * // => 'Foo Bar'\n\t     *\n\t     * _.startCase('fooBar');\n\t     * // => 'Foo Bar'\n\t     *\n\t     * _.startCase('__FOO_BAR__');\n\t     * // => 'FOO BAR'\n\t     */\n\t    var startCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + upperFirst(word);\n\t    });\n\t\n\t    /**\n\t     * Checks if `string` starts with the given target string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {string} [target] The string to search for.\n\t     * @param {number} [position=0] The position to search from.\n\t     * @returns {boolean} Returns `true` if `string` starts with `target`,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.startsWith('abc', 'a');\n\t     * // => true\n\t     *\n\t     * _.startsWith('abc', 'b');\n\t     * // => false\n\t     *\n\t     * _.startsWith('abc', 'b', 1);\n\t     * // => true\n\t     */\n\t    function startsWith(string, target, position) {\n\t      string = toString(string);\n\t      position = position == null\n\t        ? 0\n\t        : baseClamp(toInteger(position), 0, string.length);\n\t\n\t      target = baseToString(target);\n\t      return string.slice(position, position + target.length) == target;\n\t    }\n\t\n\t    /**\n\t     * Creates a compiled template function that can interpolate data properties\n\t     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n\t     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n\t     * properties may be accessed as free variables in the template. If a setting\n\t     * object is given, it takes precedence over `_.templateSettings` values.\n\t     *\n\t     * **Note:** In the development build `_.template` utilizes\n\t     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n\t     * for easier debugging.\n\t     *\n\t     * For more information on precompiling templates see\n\t     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n\t     *\n\t     * For more information on Chrome extension sandboxes see\n\t     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category String\n\t     * @param {string} [string=''] The template string.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {RegExp} [options.escape=_.templateSettings.escape]\n\t     *  The HTML \"escape\" delimiter.\n\t     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n\t     *  The \"evaluate\" delimiter.\n\t     * @param {Object} [options.imports=_.templateSettings.imports]\n\t     *  An object to import into the template as free variables.\n\t     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n\t     *  The \"interpolate\" delimiter.\n\t     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n\t     *  The sourceURL of the compiled template.\n\t     * @param {string} [options.variable='obj']\n\t     *  The data object variable name.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the compiled template function.\n\t     * @example\n\t     *\n\t     * // Use the \"interpolate\" delimiter to create a compiled template.\n\t     * var compiled = _.template('hello <%= user %>!');\n\t     * compiled({ 'user': 'fred' });\n\t     * // => 'hello fred!'\n\t     *\n\t     * // Use the HTML \"escape\" delimiter to escape data property values.\n\t     * var compiled = _.template('<b><%- value %></b>');\n\t     * compiled({ 'value': '<script>' });\n\t     * // => '<b>&lt;script&gt;</b>'\n\t     *\n\t     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n\t     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n\t     * compiled({ 'users': ['fred', 'barney'] });\n\t     * // => '<li>fred</li><li>barney</li>'\n\t     *\n\t     * // Use the internal `print` function in \"evaluate\" delimiters.\n\t     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n\t     * compiled({ 'user': 'barney' });\n\t     * // => 'hello barney!'\n\t     *\n\t     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n\t     * // Disable support by replacing the \"interpolate\" delimiter.\n\t     * var compiled = _.template('hello ${ user }!');\n\t     * compiled({ 'user': 'pebbles' });\n\t     * // => 'hello pebbles!'\n\t     *\n\t     * // Use backslashes to treat delimiters as plain text.\n\t     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n\t     * compiled({ 'value': 'ignored' });\n\t     * // => '<%- value %>'\n\t     *\n\t     * // Use the `imports` option to import `jQuery` as `jq`.\n\t     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n\t     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n\t     * compiled({ 'users': ['fred', 'barney'] });\n\t     * // => '<li>fred</li><li>barney</li>'\n\t     *\n\t     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n\t     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n\t     * compiled(data);\n\t     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n\t     *\n\t     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n\t     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n\t     * compiled.source;\n\t     * // => function(data) {\n\t     * //   var __t, __p = '';\n\t     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n\t     * //   return __p;\n\t     * // }\n\t     *\n\t     * // Use custom template delimiters.\n\t     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n\t     * var compiled = _.template('hello {{ user }}!');\n\t     * compiled({ 'user': 'mustache' });\n\t     * // => 'hello mustache!'\n\t     *\n\t     * // Use the `source` property to inline compiled templates for meaningful\n\t     * // line numbers in error messages and stack traces.\n\t     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n\t     *   var JST = {\\\n\t     *     \"main\": ' + _.template(mainText).source + '\\\n\t     *   };\\\n\t     * ');\n\t     */\n\t    function template(string, options, guard) {\n\t      // Based on John Resig's `tmpl` implementation\n\t      // (http://ejohn.org/blog/javascript-micro-templating/)\n\t      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n\t      var settings = lodash.templateSettings;\n\t\n\t      if (guard && isIterateeCall(string, options, guard)) {\n\t        options = undefined;\n\t      }\n\t      string = toString(string);\n\t      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\t\n\t      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n\t          importsKeys = keys(imports),\n\t          importsValues = baseValues(imports, importsKeys);\n\t\n\t      var isEscaping,\n\t          isEvaluating,\n\t          index = 0,\n\t          interpolate = options.interpolate || reNoMatch,\n\t          source = \"__p += '\";\n\t\n\t      // Compile the regexp to match each delimiter.\n\t      var reDelimiters = RegExp(\n\t        (options.escape || reNoMatch).source + '|' +\n\t        interpolate.source + '|' +\n\t        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n\t        (options.evaluate || reNoMatch).source + '|$'\n\t      , 'g');\n\t\n\t      // Use a sourceURL for easier debugging.\n\t      var sourceURL = '//# sourceURL=' +\n\t        ('sourceURL' in options\n\t          ? options.sourceURL\n\t          : ('lodash.templateSources[' + (++templateCounter) + ']')\n\t        ) + '\\n';\n\t\n\t      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n\t        interpolateValue || (interpolateValue = esTemplateValue);\n\t\n\t        // Escape characters that can't be included in string literals.\n\t        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\t\n\t        // Replace delimiters with snippets.\n\t        if (escapeValue) {\n\t          isEscaping = true;\n\t          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n\t        }\n\t        if (evaluateValue) {\n\t          isEvaluating = true;\n\t          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n\t        }\n\t        if (interpolateValue) {\n\t          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n\t        }\n\t        index = offset + match.length;\n\t\n\t        // The JS engine embedded in Adobe products needs `match` returned in\n\t        // order to produce the correct `offset` value.\n\t        return match;\n\t      });\n\t\n\t      source += \"';\\n\";\n\t\n\t      // If `variable` is not specified wrap a with-statement around the generated\n\t      // code to add the data object to the top of the scope chain.\n\t      var variable = options.variable;\n\t      if (!variable) {\n\t        source = 'with (obj) {\\n' + source + '\\n}\\n';\n\t      }\n\t      // Cleanup code by stripping empty strings.\n\t      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n\t        .replace(reEmptyStringMiddle, '$1')\n\t        .replace(reEmptyStringTrailing, '$1;');\n\t\n\t      // Frame code as the function body.\n\t      source = 'function(' + (variable || 'obj') + ') {\\n' +\n\t        (variable\n\t          ? ''\n\t          : 'obj || (obj = {});\\n'\n\t        ) +\n\t        \"var __t, __p = ''\" +\n\t        (isEscaping\n\t           ? ', __e = _.escape'\n\t           : ''\n\t        ) +\n\t        (isEvaluating\n\t          ? ', __j = Array.prototype.join;\\n' +\n\t            \"function print() { __p += __j.call(arguments, '') }\\n\"\n\t          : ';\\n'\n\t        ) +\n\t        source +\n\t        'return __p\\n}';\n\t\n\t      var result = attempt(function() {\n\t        return Function(importsKeys, sourceURL + 'return ' + source)\n\t          .apply(undefined, importsValues);\n\t      });\n\t\n\t      // Provide the compiled function's source by its `toString` method or\n\t      // the `source` property as a convenience for inlining compiled templates.\n\t      result.source = source;\n\t      if (isError(result)) {\n\t        throw result;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as a whole, to lower case just like\n\t     * [String#toLowerCase](https://mdn.io/toLowerCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the lower cased string.\n\t     * @example\n\t     *\n\t     * _.toLower('--Foo-Bar--');\n\t     * // => '--foo-bar--'\n\t     *\n\t     * _.toLower('fooBar');\n\t     * // => 'foobar'\n\t     *\n\t     * _.toLower('__FOO_BAR__');\n\t     * // => '__foo_bar__'\n\t     */\n\t    function toLower(value) {\n\t      return toString(value).toLowerCase();\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as a whole, to upper case just like\n\t     * [String#toUpperCase](https://mdn.io/toUpperCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the upper cased string.\n\t     * @example\n\t     *\n\t     * _.toUpper('--foo-bar--');\n\t     * // => '--FOO-BAR--'\n\t     *\n\t     * _.toUpper('fooBar');\n\t     * // => 'FOOBAR'\n\t     *\n\t     * _.toUpper('__foo_bar__');\n\t     * // => '__FOO_BAR__'\n\t     */\n\t    function toUpper(value) {\n\t      return toString(value).toUpperCase();\n\t    }\n\t\n\t    /**\n\t     * Removes leading and trailing whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trim('  abc  ');\n\t     * // => 'abc'\n\t     *\n\t     * _.trim('-_-abc-_-', '_-');\n\t     * // => 'abc'\n\t     *\n\t     * _.map(['  foo  ', '  bar  '], _.trim);\n\t     * // => ['foo', 'bar']\n\t     */\n\t    function trim(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrim, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          chrSymbols = stringToArray(chars),\n\t          start = charsStartIndex(strSymbols, chrSymbols),\n\t          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\t\n\t      return castSlice(strSymbols, start, end).join('');\n\t    }\n\t\n\t    /**\n\t     * Removes trailing whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trimEnd('  abc  ');\n\t     * // => '  abc'\n\t     *\n\t     * _.trimEnd('-_-abc-_-', '_-');\n\t     * // => '-_-abc'\n\t     */\n\t    function trimEnd(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrimEnd, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\t\n\t      return castSlice(strSymbols, 0, end).join('');\n\t    }\n\t\n\t    /**\n\t     * Removes leading whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trimStart('  abc  ');\n\t     * // => 'abc  '\n\t     *\n\t     * _.trimStart('-_-abc-_-', '_-');\n\t     * // => 'abc-_-'\n\t     */\n\t    function trimStart(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrimStart, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          start = charsStartIndex(strSymbols, stringToArray(chars));\n\t\n\t      return castSlice(strSymbols, start).join('');\n\t    }\n\t\n\t    /**\n\t     * Truncates `string` if it's longer than the given maximum string length.\n\t     * The last characters of the truncated string are replaced with the omission\n\t     * string which defaults to \"...\".\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to truncate.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {number} [options.length=30] The maximum string length.\n\t     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n\t     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n\t     * @returns {string} Returns the truncated string.\n\t     * @example\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino');\n\t     * // => 'hi-diddly-ho there, neighbo...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'length': 24,\n\t     *   'separator': ' '\n\t     * });\n\t     * // => 'hi-diddly-ho there,...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'length': 24,\n\t     *   'separator': /,? +/\n\t     * });\n\t     * // => 'hi-diddly-ho there...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'omission': ' [...]'\n\t     * });\n\t     * // => 'hi-diddly-ho there, neig [...]'\n\t     */\n\t    function truncate(string, options) {\n\t      var length = DEFAULT_TRUNC_LENGTH,\n\t          omission = DEFAULT_TRUNC_OMISSION;\n\t\n\t      if (isObject(options)) {\n\t        var separator = 'separator' in options ? options.separator : separator;\n\t        length = 'length' in options ? toInteger(options.length) : length;\n\t        omission = 'omission' in options ? baseToString(options.omission) : omission;\n\t      }\n\t      string = toString(string);\n\t\n\t      var strLength = string.length;\n\t      if (hasUnicode(string)) {\n\t        var strSymbols = stringToArray(string);\n\t        strLength = strSymbols.length;\n\t      }\n\t      if (length >= strLength) {\n\t        return string;\n\t      }\n\t      var end = length - stringSize(omission);\n\t      if (end < 1) {\n\t        return omission;\n\t      }\n\t      var result = strSymbols\n\t        ? castSlice(strSymbols, 0, end).join('')\n\t        : string.slice(0, end);\n\t\n\t      if (separator === undefined) {\n\t        return result + omission;\n\t      }\n\t      if (strSymbols) {\n\t        end += (result.length - end);\n\t      }\n\t      if (isRegExp(separator)) {\n\t        if (string.slice(end).search(separator)) {\n\t          var match,\n\t              substring = result;\n\t\n\t          if (!separator.global) {\n\t            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n\t          }\n\t          separator.lastIndex = 0;\n\t          while ((match = separator.exec(substring))) {\n\t            var newEnd = match.index;\n\t          }\n\t          result = result.slice(0, newEnd === undefined ? end : newEnd);\n\t        }\n\t      } else if (string.indexOf(baseToString(separator), end) != end) {\n\t        var index = result.lastIndexOf(separator);\n\t        if (index > -1) {\n\t          result = result.slice(0, index);\n\t        }\n\t      }\n\t      return result + omission;\n\t    }\n\t\n\t    /**\n\t     * The inverse of `_.escape`; this method converts the HTML entities\n\t     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n\t     * their corresponding characters.\n\t     *\n\t     * **Note:** No other HTML entities are unescaped. To unescape additional\n\t     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.6.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to unescape.\n\t     * @returns {string} Returns the unescaped string.\n\t     * @example\n\t     *\n\t     * _.unescape('fred, barney, &amp; pebbles');\n\t     * // => 'fred, barney, & pebbles'\n\t     */\n\t    function unescape(string) {\n\t      string = toString(string);\n\t      return (string && reHasEscapedHtml.test(string))\n\t        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as space separated words, to upper case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the upper cased string.\n\t     * @example\n\t     *\n\t     * _.upperCase('--foo-bar');\n\t     * // => 'FOO BAR'\n\t     *\n\t     * _.upperCase('fooBar');\n\t     * // => 'FOO BAR'\n\t     *\n\t     * _.upperCase('__foo_bar__');\n\t     * // => 'FOO BAR'\n\t     */\n\t    var upperCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + word.toUpperCase();\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to upper case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.upperFirst('fred');\n\t     * // => 'Fred'\n\t     *\n\t     * _.upperFirst('FRED');\n\t     * // => 'FRED'\n\t     */\n\t    var upperFirst = createCaseFirst('toUpperCase');\n\t\n\t    /**\n\t     * Splits `string` into an array of its words.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {RegExp|string} [pattern] The pattern to match words.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the words of `string`.\n\t     * @example\n\t     *\n\t     * _.words('fred, barney, & pebbles');\n\t     * // => ['fred', 'barney', 'pebbles']\n\t     *\n\t     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n\t     * // => ['fred', 'barney', '&', 'pebbles']\n\t     */\n\t    function words(string, pattern, guard) {\n\t      string = toString(string);\n\t      pattern = guard ? undefined : pattern;\n\t\n\t      if (pattern === undefined) {\n\t        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n\t      }\n\t      return string.match(pattern) || [];\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Attempts to invoke `func`, returning either the result or the caught error\n\t     * object. Any additional arguments are provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Function} func The function to attempt.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {*} Returns the `func` result or error object.\n\t     * @example\n\t     *\n\t     * // Avoid throwing errors for invalid selectors.\n\t     * var elements = _.attempt(function(selector) {\n\t     *   return document.querySelectorAll(selector);\n\t     * }, '>_>');\n\t     *\n\t     * if (_.isError(elements)) {\n\t     *   elements = [];\n\t     * }\n\t     */\n\t    var attempt = baseRest(function(func, args) {\n\t      try {\n\t        return apply(func, undefined, args);\n\t      } catch (e) {\n\t        return isError(e) ? e : new Error(e);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Binds methods of an object to the object itself, overwriting the existing\n\t     * method.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of bound functions.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {Object} object The object to bind and assign the bound methods to.\n\t     * @param {...(string|string[])} methodNames The object method names to bind.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var view = {\n\t     *   'label': 'docs',\n\t     *   'click': function() {\n\t     *     console.log('clicked ' + this.label);\n\t     *   }\n\t     * };\n\t     *\n\t     * _.bindAll(view, ['click']);\n\t     * jQuery(element).on('click', view.click);\n\t     * // => Logs 'clicked docs' when clicked.\n\t     */\n\t    var bindAll = flatRest(function(object, methodNames) {\n\t      arrayEach(methodNames, function(key) {\n\t        key = toKey(key);\n\t        baseAssignValue(object, key, bind(object[key], object));\n\t      });\n\t      return object;\n\t    });\n\t\n\t    /**\n\t     * Creates a function that iterates over `pairs` and invokes the corresponding\n\t     * function of the first predicate to return truthy. The predicate-function\n\t     * pairs are invoked with the `this` binding and arguments of the created\n\t     * function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {Array} pairs The predicate-function pairs.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @example\n\t     *\n\t     * var func = _.cond([\n\t     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n\t     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n\t     *   [_.stubTrue,                      _.constant('no match')]\n\t     * ]);\n\t     *\n\t     * func({ 'a': 1, 'b': 2 });\n\t     * // => 'matches A'\n\t     *\n\t     * func({ 'a': 0, 'b': 1 });\n\t     * // => 'matches B'\n\t     *\n\t     * func({ 'a': '1', 'b': '2' });\n\t     * // => 'no match'\n\t     */\n\t    function cond(pairs) {\n\t      var length = pairs == null ? 0 : pairs.length,\n\t          toIteratee = getIteratee();\n\t\n\t      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n\t        if (typeof pair[1] != 'function') {\n\t          throw new TypeError(FUNC_ERROR_TEXT);\n\t        }\n\t        return [toIteratee(pair[0]), pair[1]];\n\t      });\n\t\n\t      return baseRest(function(args) {\n\t        var index = -1;\n\t        while (++index < length) {\n\t          var pair = pairs[index];\n\t          if (apply(pair[0], this, args)) {\n\t            return apply(pair[1], this, args);\n\t          }\n\t        }\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes the predicate properties of `source` with\n\t     * the corresponding property values of a given object, returning `true` if\n\t     * all predicates return truthy, else `false`.\n\t     *\n\t     * **Note:** The created function is equivalent to `_.conformsTo` with\n\t     * `source` partially applied.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 2, 'b': 1 },\n\t     *   { 'a': 1, 'b': 2 }\n\t     * ];\n\t     *\n\t     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n\t     * // => [{ 'a': 1, 'b': 2 }]\n\t     */\n\t    function conforms(source) {\n\t      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that returns `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Util\n\t     * @param {*} value The value to return from the new function.\n\t     * @returns {Function} Returns the new constant function.\n\t     * @example\n\t     *\n\t     * var objects = _.times(2, _.constant({ 'a': 1 }));\n\t     *\n\t     * console.log(objects);\n\t     * // => [{ 'a': 1 }, { 'a': 1 }]\n\t     *\n\t     * console.log(objects[0] === objects[1]);\n\t     * // => true\n\t     */\n\t    function constant(value) {\n\t      return function() {\n\t        return value;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Checks `value` to determine whether a default value should be returned in\n\t     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n\t     * or `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.14.0\n\t     * @category Util\n\t     * @param {*} value The value to check.\n\t     * @param {*} defaultValue The default value.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * _.defaultTo(1, 10);\n\t     * // => 1\n\t     *\n\t     * _.defaultTo(undefined, 10);\n\t     * // => 10\n\t     */\n\t    function defaultTo(value, defaultValue) {\n\t      return (value == null || value !== value) ? defaultValue : value;\n\t    }\n\t\n\t    /**\n\t     * Creates a function that returns the result of invoking the given functions\n\t     * with the `this` binding of the created function, where each successive\n\t     * invocation is supplied the return value of the previous.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @see _.flowRight\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var addSquare = _.flow([_.add, square]);\n\t     * addSquare(1, 2);\n\t     * // => 9\n\t     */\n\t    var flow = createFlow();\n\t\n\t    /**\n\t     * This method is like `_.flow` except that it creates a function that\n\t     * invokes the given functions from right to left.\n\t     *\n\t     * @static\n\t     * @since 3.0.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @see _.flow\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var addSquare = _.flowRight([square, _.add]);\n\t     * addSquare(1, 2);\n\t     * // => 9\n\t     */\n\t    var flowRight = createFlow(true);\n\t\n\t    /**\n\t     * This method returns the first argument it receives.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {*} value Any value.\n\t     * @returns {*} Returns `value`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     *\n\t     * console.log(_.identity(object) === object);\n\t     * // => true\n\t     */\n\t    function identity(value) {\n\t      return value;\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the arguments of the created\n\t     * function. If `func` is a property name, the created function returns the\n\t     * property value for a given element. If `func` is an array or object, the\n\t     * created function returns `true` for elements that contain the equivalent\n\t     * source properties, otherwise it returns `false`.\n\t     *\n\t     * @static\n\t     * @since 4.0.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {*} [func=_.identity] The value to convert to a callback.\n\t     * @returns {Function} Returns the callback.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': true },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n\t     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.filter(users, _.iteratee(['user', 'fred']));\n\t     * // => [{ 'user': 'fred', 'age': 40 }]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.map(users, _.iteratee('user'));\n\t     * // => ['barney', 'fred']\n\t     *\n\t     * // Create custom iteratee shorthands.\n\t     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n\t     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n\t     *     return func.test(string);\n\t     *   };\n\t     * });\n\t     *\n\t     * _.filter(['abc', 'def'], /ef/);\n\t     * // => ['def']\n\t     */\n\t    function iteratee(func) {\n\t      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a partial deep comparison between a given\n\t     * object and `source`, returning `true` if the given object has equivalent\n\t     * property values, else `false`.\n\t     *\n\t     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n\t     * partially applied.\n\t     *\n\t     * Partial comparisons will match empty array and empty object `source`\n\t     * values against any array or object value, respectively. See `_.isEqual`\n\t     * for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 1, 'b': 2, 'c': 3 },\n\t     *   { 'a': 4, 'b': 5, 'c': 6 }\n\t     * ];\n\t     *\n\t     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n\t     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n\t     */\n\t    function matches(source) {\n\t      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a partial deep comparison between the\n\t     * value at `path` of a given object to `srcValue`, returning `true` if the\n\t     * object value is equivalent, else `false`.\n\t     *\n\t     * **Note:** Partial comparisons will match empty array and empty object\n\t     * `srcValue` values against any array or object value, respectively. See\n\t     * `_.isEqual` for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 1, 'b': 2, 'c': 3 },\n\t     *   { 'a': 4, 'b': 5, 'c': 6 }\n\t     * ];\n\t     *\n\t     * _.find(objects, _.matchesProperty('a', 4));\n\t     * // => { 'a': 4, 'b': 5, 'c': 6 }\n\t     */\n\t    function matchesProperty(path, srcValue) {\n\t      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes the method at `path` of a given object.\n\t     * Any additional arguments are provided to the invoked method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {Function} Returns the new invoker function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': { 'b': _.constant(2) } },\n\t     *   { 'a': { 'b': _.constant(1) } }\n\t     * ];\n\t     *\n\t     * _.map(objects, _.method('a.b'));\n\t     * // => [2, 1]\n\t     *\n\t     * _.map(objects, _.method(['a', 'b']));\n\t     * // => [2, 1]\n\t     */\n\t    var method = baseRest(function(path, args) {\n\t      return function(object) {\n\t        return baseInvoke(object, path, args);\n\t      };\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.method`; this method creates a function that invokes\n\t     * the method at a given path of `object`. Any additional arguments are\n\t     * provided to the invoked method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Util\n\t     * @param {Object} object The object to query.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {Function} Returns the new invoker function.\n\t     * @example\n\t     *\n\t     * var array = _.times(3, _.constant),\n\t     *     object = { 'a': array, 'b': array, 'c': array };\n\t     *\n\t     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n\t     * // => [2, 0]\n\t     *\n\t     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n\t     * // => [2, 0]\n\t     */\n\t    var methodOf = baseRest(function(object, args) {\n\t      return function(path) {\n\t        return baseInvoke(object, path, args);\n\t      };\n\t    });\n\t\n\t    /**\n\t     * Adds all own enumerable string keyed function properties of a source\n\t     * object to the destination object. If `object` is a function, then methods\n\t     * are added to its prototype as well.\n\t     *\n\t     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n\t     * avoid conflicts caused by modifying the original.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {Function|Object} [object=lodash] The destination object.\n\t     * @param {Object} source The object of functions to add.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n\t     * @returns {Function|Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * function vowels(string) {\n\t     *   return _.filter(string, function(v) {\n\t     *     return /[aeiou]/i.test(v);\n\t     *   });\n\t     * }\n\t     *\n\t     * _.mixin({ 'vowels': vowels });\n\t     * _.vowels('fred');\n\t     * // => ['e']\n\t     *\n\t     * _('fred').vowels().value();\n\t     * // => ['e']\n\t     *\n\t     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n\t     * _('fred').vowels();\n\t     * // => ['e']\n\t     */\n\t    function mixin(object, source, options) {\n\t      var props = keys(source),\n\t          methodNames = baseFunctions(source, props);\n\t\n\t      if (options == null &&\n\t          !(isObject(source) && (methodNames.length || !props.length))) {\n\t        options = source;\n\t        source = object;\n\t        object = this;\n\t        methodNames = baseFunctions(source, keys(source));\n\t      }\n\t      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n\t          isFunc = isFunction(object);\n\t\n\t      arrayEach(methodNames, function(methodName) {\n\t        var func = source[methodName];\n\t        object[methodName] = func;\n\t        if (isFunc) {\n\t          object.prototype[methodName] = function() {\n\t            var chainAll = this.__chain__;\n\t            if (chain || chainAll) {\n\t              var result = object(this.__wrapped__),\n\t                  actions = result.__actions__ = copyArray(this.__actions__);\n\t\n\t              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n\t              result.__chain__ = chainAll;\n\t              return result;\n\t            }\n\t            return func.apply(object, arrayPush([this.value()], arguments));\n\t          };\n\t        }\n\t      });\n\t\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Reverts the `_` variable to its previous value and returns a reference to\n\t     * the `lodash` function.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @returns {Function} Returns the `lodash` function.\n\t     * @example\n\t     *\n\t     * var lodash = _.noConflict();\n\t     */\n\t    function noConflict() {\n\t      if (root._ === this) {\n\t        root._ = oldDash;\n\t      }\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * This method returns `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.3.0\n\t     * @category Util\n\t     * @example\n\t     *\n\t     * _.times(2, _.noop);\n\t     * // => [undefined, undefined]\n\t     */\n\t    function noop() {\n\t      // No operation performed.\n\t    }\n\t\n\t    /**\n\t     * Creates a function that gets the argument at index `n`. If `n` is negative,\n\t     * the nth argument from the end is returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {number} [n=0] The index of the argument to return.\n\t     * @returns {Function} Returns the new pass-thru function.\n\t     * @example\n\t     *\n\t     * var func = _.nthArg(1);\n\t     * func('a', 'b', 'c', 'd');\n\t     * // => 'b'\n\t     *\n\t     * var func = _.nthArg(-2);\n\t     * func('a', 'b', 'c', 'd');\n\t     * // => 'c'\n\t     */\n\t    function nthArg(n) {\n\t      n = toInteger(n);\n\t      return baseRest(function(args) {\n\t        return baseNth(args, n);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `iteratees` with the arguments it receives\n\t     * and returns their results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n\t     *  The iteratees to invoke.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.over([Math.max, Math.min]);\n\t     *\n\t     * func(1, 2, 3, 4);\n\t     * // => [4, 1]\n\t     */\n\t    var over = createOver(arrayMap);\n\t\n\t    /**\n\t     * Creates a function that checks if **all** of the `predicates` return\n\t     * truthy when invoked with the arguments it receives.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [predicates=[_.identity]]\n\t     *  The predicates to check.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.overEvery([Boolean, isFinite]);\n\t     *\n\t     * func('1');\n\t     * // => true\n\t     *\n\t     * func(null);\n\t     * // => false\n\t     *\n\t     * func(NaN);\n\t     * // => false\n\t     */\n\t    var overEvery = createOver(arrayEvery);\n\t\n\t    /**\n\t     * Creates a function that checks if **any** of the `predicates` return\n\t     * truthy when invoked with the arguments it receives.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [predicates=[_.identity]]\n\t     *  The predicates to check.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.overSome([Boolean, isFinite]);\n\t     *\n\t     * func('1');\n\t     * // => true\n\t     *\n\t     * func(null);\n\t     * // => true\n\t     *\n\t     * func(NaN);\n\t     * // => false\n\t     */\n\t    var overSome = createOver(arraySome);\n\t\n\t    /**\n\t     * Creates a function that returns the value at `path` of a given object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {Function} Returns the new accessor function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': { 'b': 2 } },\n\t     *   { 'a': { 'b': 1 } }\n\t     * ];\n\t     *\n\t     * _.map(objects, _.property('a.b'));\n\t     * // => [2, 1]\n\t     *\n\t     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n\t     * // => [1, 2]\n\t     */\n\t    function property(path) {\n\t      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.property`; this method creates a function that returns\n\t     * the value at a given path of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Object} object The object to query.\n\t     * @returns {Function} Returns the new accessor function.\n\t     * @example\n\t     *\n\t     * var array = [0, 1, 2],\n\t     *     object = { 'a': array, 'b': array, 'c': array };\n\t     *\n\t     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n\t     * // => [2, 0]\n\t     *\n\t     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n\t     * // => [2, 0]\n\t     */\n\t    function propertyOf(object) {\n\t      return function(path) {\n\t        return object == null ? undefined : baseGet(object, path);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates an array of numbers (positive and/or negative) progressing from\n\t     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n\t     * `start` is specified without an `end` or `step`. If `end` is not specified,\n\t     * it's set to `start` with `start` then set to `0`.\n\t     *\n\t     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t     * floating-point values which can produce unexpected results.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} [step=1] The value to increment or decrement by.\n\t     * @returns {Array} Returns the range of numbers.\n\t     * @see _.inRange, _.rangeRight\n\t     * @example\n\t     *\n\t     * _.range(4);\n\t     * // => [0, 1, 2, 3]\n\t     *\n\t     * _.range(-4);\n\t     * // => [0, -1, -2, -3]\n\t     *\n\t     * _.range(1, 5);\n\t     * // => [1, 2, 3, 4]\n\t     *\n\t     * _.range(0, 20, 5);\n\t     * // => [0, 5, 10, 15]\n\t     *\n\t     * _.range(0, -4, -1);\n\t     * // => [0, -1, -2, -3]\n\t     *\n\t     * _.range(1, 4, 0);\n\t     * // => [1, 1, 1]\n\t     *\n\t     * _.range(0);\n\t     * // => []\n\t     */\n\t    var range = createRange();\n\t\n\t    /**\n\t     * This method is like `_.range` except that it populates values in\n\t     * descending order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} [step=1] The value to increment or decrement by.\n\t     * @returns {Array} Returns the range of numbers.\n\t     * @see _.inRange, _.range\n\t     * @example\n\t     *\n\t     * _.rangeRight(4);\n\t     * // => [3, 2, 1, 0]\n\t     *\n\t     * _.rangeRight(-4);\n\t     * // => [-3, -2, -1, 0]\n\t     *\n\t     * _.rangeRight(1, 5);\n\t     * // => [4, 3, 2, 1]\n\t     *\n\t     * _.rangeRight(0, 20, 5);\n\t     * // => [15, 10, 5, 0]\n\t     *\n\t     * _.rangeRight(0, -4, -1);\n\t     * // => [-3, -2, -1, 0]\n\t     *\n\t     * _.rangeRight(1, 4, 0);\n\t     * // => [1, 1, 1]\n\t     *\n\t     * _.rangeRight(0);\n\t     * // => []\n\t     */\n\t    var rangeRight = createRange(true);\n\t\n\t    /**\n\t     * This method returns a new empty array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {Array} Returns the new empty array.\n\t     * @example\n\t     *\n\t     * var arrays = _.times(2, _.stubArray);\n\t     *\n\t     * console.log(arrays);\n\t     * // => [[], []]\n\t     *\n\t     * console.log(arrays[0] === arrays[1]);\n\t     * // => false\n\t     */\n\t    function stubArray() {\n\t      return [];\n\t    }\n\t\n\t    /**\n\t     * This method returns `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {boolean} Returns `false`.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubFalse);\n\t     * // => [false, false]\n\t     */\n\t    function stubFalse() {\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * This method returns a new empty object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {Object} Returns the new empty object.\n\t     * @example\n\t     *\n\t     * var objects = _.times(2, _.stubObject);\n\t     *\n\t     * console.log(objects);\n\t     * // => [{}, {}]\n\t     *\n\t     * console.log(objects[0] === objects[1]);\n\t     * // => false\n\t     */\n\t    function stubObject() {\n\t      return {};\n\t    }\n\t\n\t    /**\n\t     * This method returns an empty string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {string} Returns the empty string.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubString);\n\t     * // => ['', '']\n\t     */\n\t    function stubString() {\n\t      return '';\n\t    }\n\t\n\t    /**\n\t     * This method returns `true`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {boolean} Returns `true`.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubTrue);\n\t     * // => [true, true]\n\t     */\n\t    function stubTrue() {\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Invokes the iteratee `n` times, returning an array of the results of\n\t     * each invocation. The iteratee is invoked with one argument; (index).\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {number} n The number of times to invoke `iteratee`.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the array of results.\n\t     * @example\n\t     *\n\t     * _.times(3, String);\n\t     * // => ['0', '1', '2']\n\t     *\n\t     *  _.times(4, _.constant(0));\n\t     * // => [0, 0, 0, 0]\n\t     */\n\t    function times(n, iteratee) {\n\t      n = toInteger(n);\n\t      if (n < 1 || n > MAX_SAFE_INTEGER) {\n\t        return [];\n\t      }\n\t      var index = MAX_ARRAY_LENGTH,\n\t          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\t\n\t      iteratee = getIteratee(iteratee);\n\t      n -= MAX_ARRAY_LENGTH;\n\t\n\t      var result = baseTimes(length, iteratee);\n\t      while (++index < n) {\n\t        iteratee(index);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a property path array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {*} value The value to convert.\n\t     * @returns {Array} Returns the new property path array.\n\t     * @example\n\t     *\n\t     * _.toPath('a.b.c');\n\t     * // => ['a', 'b', 'c']\n\t     *\n\t     * _.toPath('a[0].b.c');\n\t     * // => ['a', '0', 'b', 'c']\n\t     */\n\t    function toPath(value) {\n\t      if (isArray(value)) {\n\t        return arrayMap(value, toKey);\n\t      }\n\t      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n\t    }\n\t\n\t    /**\n\t     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {string} [prefix=''] The value to prefix the ID with.\n\t     * @returns {string} Returns the unique ID.\n\t     * @example\n\t     *\n\t     * _.uniqueId('contact_');\n\t     * // => 'contact_104'\n\t     *\n\t     * _.uniqueId();\n\t     * // => '105'\n\t     */\n\t    function uniqueId(prefix) {\n\t      var id = ++idCounter;\n\t      return toString(prefix) + id;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Adds two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.4.0\n\t     * @category Math\n\t     * @param {number} augend The first number in an addition.\n\t     * @param {number} addend The second number in an addition.\n\t     * @returns {number} Returns the total.\n\t     * @example\n\t     *\n\t     * _.add(6, 4);\n\t     * // => 10\n\t     */\n\t    var add = createMathOperation(function(augend, addend) {\n\t      return augend + addend;\n\t    }, 0);\n\t\n\t    /**\n\t     * Computes `number` rounded up to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round up.\n\t     * @param {number} [precision=0] The precision to round up to.\n\t     * @returns {number} Returns the rounded up number.\n\t     * @example\n\t     *\n\t     * _.ceil(4.006);\n\t     * // => 5\n\t     *\n\t     * _.ceil(6.004, 2);\n\t     * // => 6.01\n\t     *\n\t     * _.ceil(6040, -2);\n\t     * // => 6100\n\t     */\n\t    var ceil = createRound('ceil');\n\t\n\t    /**\n\t     * Divide two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {number} dividend The first number in a division.\n\t     * @param {number} divisor The second number in a division.\n\t     * @returns {number} Returns the quotient.\n\t     * @example\n\t     *\n\t     * _.divide(6, 4);\n\t     * // => 1.5\n\t     */\n\t    var divide = createMathOperation(function(dividend, divisor) {\n\t      return dividend / divisor;\n\t    }, 1);\n\t\n\t    /**\n\t     * Computes `number` rounded down to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round down.\n\t     * @param {number} [precision=0] The precision to round down to.\n\t     * @returns {number} Returns the rounded down number.\n\t     * @example\n\t     *\n\t     * _.floor(4.006);\n\t     * // => 4\n\t     *\n\t     * _.floor(0.046, 2);\n\t     * // => 0.04\n\t     *\n\t     * _.floor(4060, -2);\n\t     * // => 4000\n\t     */\n\t    var floor = createRound('floor');\n\t\n\t    /**\n\t     * Computes the maximum value of `array`. If `array` is empty or falsey,\n\t     * `undefined` is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {*} Returns the maximum value.\n\t     * @example\n\t     *\n\t     * _.max([4, 2, 8, 6]);\n\t     * // => 8\n\t     *\n\t     * _.max([]);\n\t     * // => undefined\n\t     */\n\t    function max(array) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, identity, baseGt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.max` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * the value is ranked. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {*} Returns the maximum value.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n\t     *\n\t     * _.maxBy(objects, function(o) { return o.n; });\n\t     * // => { 'n': 2 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.maxBy(objects, 'n');\n\t     * // => { 'n': 2 }\n\t     */\n\t    function maxBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * Computes the mean of the values in `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {number} Returns the mean.\n\t     * @example\n\t     *\n\t     * _.mean([4, 2, 8, 6]);\n\t     * // => 5\n\t     */\n\t    function mean(array) {\n\t      return baseMean(array, identity);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.mean` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the value to be averaged.\n\t     * The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the mean.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n\t     *\n\t     * _.meanBy(objects, function(o) { return o.n; });\n\t     * // => 5\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.meanBy(objects, 'n');\n\t     * // => 5\n\t     */\n\t    function meanBy(array, iteratee) {\n\t      return baseMean(array, getIteratee(iteratee, 2));\n\t    }\n\t\n\t    /**\n\t     * Computes the minimum value of `array`. If `array` is empty or falsey,\n\t     * `undefined` is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {*} Returns the minimum value.\n\t     * @example\n\t     *\n\t     * _.min([4, 2, 8, 6]);\n\t     * // => 2\n\t     *\n\t     * _.min([]);\n\t     * // => undefined\n\t     */\n\t    function min(array) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, identity, baseLt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.min` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * the value is ranked. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {*} Returns the minimum value.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n\t     *\n\t     * _.minBy(objects, function(o) { return o.n; });\n\t     * // => { 'n': 1 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.minBy(objects, 'n');\n\t     * // => { 'n': 1 }\n\t     */\n\t    function minBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * Multiply two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {number} multiplier The first number in a multiplication.\n\t     * @param {number} multiplicand The second number in a multiplication.\n\t     * @returns {number} Returns the product.\n\t     * @example\n\t     *\n\t     * _.multiply(6, 4);\n\t     * // => 24\n\t     */\n\t    var multiply = createMathOperation(function(multiplier, multiplicand) {\n\t      return multiplier * multiplicand;\n\t    }, 1);\n\t\n\t    /**\n\t     * Computes `number` rounded to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round.\n\t     * @param {number} [precision=0] The precision to round to.\n\t     * @returns {number} Returns the rounded number.\n\t     * @example\n\t     *\n\t     * _.round(4.006);\n\t     * // => 4\n\t     *\n\t     * _.round(4.006, 2);\n\t     * // => 4.01\n\t     *\n\t     * _.round(4060, -2);\n\t     * // => 4100\n\t     */\n\t    var round = createRound('round');\n\t\n\t    /**\n\t     * Subtract two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {number} minuend The first number in a subtraction.\n\t     * @param {number} subtrahend The second number in a subtraction.\n\t     * @returns {number} Returns the difference.\n\t     * @example\n\t     *\n\t     * _.subtract(6, 4);\n\t     * // => 2\n\t     */\n\t    var subtract = createMathOperation(function(minuend, subtrahend) {\n\t      return minuend - subtrahend;\n\t    }, 0);\n\t\n\t    /**\n\t     * Computes the sum of the values in `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.4.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {number} Returns the sum.\n\t     * @example\n\t     *\n\t     * _.sum([4, 2, 8, 6]);\n\t     * // => 20\n\t     */\n\t    function sum(array) {\n\t      return (array && array.length)\n\t        ? baseSum(array, identity)\n\t        : 0;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sum` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the value to be summed.\n\t     * The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the sum.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n\t     *\n\t     * _.sumBy(objects, function(o) { return o.n; });\n\t     * // => 20\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sumBy(objects, 'n');\n\t     * // => 20\n\t     */\n\t    function sumBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseSum(array, getIteratee(iteratee, 2))\n\t        : 0;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    // Add methods that return wrapped values in chain sequences.\n\t    lodash.after = after;\n\t    lodash.ary = ary;\n\t    lodash.assign = assign;\n\t    lodash.assignIn = assignIn;\n\t    lodash.assignInWith = assignInWith;\n\t    lodash.assignWith = assignWith;\n\t    lodash.at = at;\n\t    lodash.before = before;\n\t    lodash.bind = bind;\n\t    lodash.bindAll = bindAll;\n\t    lodash.bindKey = bindKey;\n\t    lodash.castArray = castArray;\n\t    lodash.chain = chain;\n\t    lodash.chunk = chunk;\n\t    lodash.compact = compact;\n\t    lodash.concat = concat;\n\t    lodash.cond = cond;\n\t    lodash.conforms = conforms;\n\t    lodash.constant = constant;\n\t    lodash.countBy = countBy;\n\t    lodash.create = create;\n\t    lodash.curry = curry;\n\t    lodash.curryRight = curryRight;\n\t    lodash.debounce = debounce;\n\t    lodash.defaults = defaults;\n\t    lodash.defaultsDeep = defaultsDeep;\n\t    lodash.defer = defer;\n\t    lodash.delay = delay;\n\t    lodash.difference = difference;\n\t    lodash.differenceBy = differenceBy;\n\t    lodash.differenceWith = differenceWith;\n\t    lodash.drop = drop;\n\t    lodash.dropRight = dropRight;\n\t    lodash.dropRightWhile = dropRightWhile;\n\t    lodash.dropWhile = dropWhile;\n\t    lodash.fill = fill;\n\t    lodash.filter = filter;\n\t    lodash.flatMap = flatMap;\n\t    lodash.flatMapDeep = flatMapDeep;\n\t    lodash.flatMapDepth = flatMapDepth;\n\t    lodash.flatten = flatten;\n\t    lodash.flattenDeep = flattenDeep;\n\t    lodash.flattenDepth = flattenDepth;\n\t    lodash.flip = flip;\n\t    lodash.flow = flow;\n\t    lodash.flowRight = flowRight;\n\t    lodash.fromPairs = fromPairs;\n\t    lodash.functions = functions;\n\t    lodash.functionsIn = functionsIn;\n\t    lodash.groupBy = groupBy;\n\t    lodash.initial = initial;\n\t    lodash.intersection = intersection;\n\t    lodash.intersectionBy = intersectionBy;\n\t    lodash.intersectionWith = intersectionWith;\n\t    lodash.invert = invert;\n\t    lodash.invertBy = invertBy;\n\t    lodash.invokeMap = invokeMap;\n\t    lodash.iteratee = iteratee;\n\t    lodash.keyBy = keyBy;\n\t    lodash.keys = keys;\n\t    lodash.keysIn = keysIn;\n\t    lodash.map = map;\n\t    lodash.mapKeys = mapKeys;\n\t    lodash.mapValues = mapValues;\n\t    lodash.matches = matches;\n\t    lodash.matchesProperty = matchesProperty;\n\t    lodash.memoize = memoize;\n\t    lodash.merge = merge;\n\t    lodash.mergeWith = mergeWith;\n\t    lodash.method = method;\n\t    lodash.methodOf = methodOf;\n\t    lodash.mixin = mixin;\n\t    lodash.negate = negate;\n\t    lodash.nthArg = nthArg;\n\t    lodash.omit = omit;\n\t    lodash.omitBy = omitBy;\n\t    lodash.once = once;\n\t    lodash.orderBy = orderBy;\n\t    lodash.over = over;\n\t    lodash.overArgs = overArgs;\n\t    lodash.overEvery = overEvery;\n\t    lodash.overSome = overSome;\n\t    lodash.partial = partial;\n\t    lodash.partialRight = partialRight;\n\t    lodash.partition = partition;\n\t    lodash.pick = pick;\n\t    lodash.pickBy = pickBy;\n\t    lodash.property = property;\n\t    lodash.propertyOf = propertyOf;\n\t    lodash.pull = pull;\n\t    lodash.pullAll = pullAll;\n\t    lodash.pullAllBy = pullAllBy;\n\t    lodash.pullAllWith = pullAllWith;\n\t    lodash.pullAt = pullAt;\n\t    lodash.range = range;\n\t    lodash.rangeRight = rangeRight;\n\t    lodash.rearg = rearg;\n\t    lodash.reject = reject;\n\t    lodash.remove = remove;\n\t    lodash.rest = rest;\n\t    lodash.reverse = reverse;\n\t    lodash.sampleSize = sampleSize;\n\t    lodash.set = set;\n\t    lodash.setWith = setWith;\n\t    lodash.shuffle = shuffle;\n\t    lodash.slice = slice;\n\t    lodash.sortBy = sortBy;\n\t    lodash.sortedUniq = sortedUniq;\n\t    lodash.sortedUniqBy = sortedUniqBy;\n\t    lodash.split = split;\n\t    lodash.spread = spread;\n\t    lodash.tail = tail;\n\t    lodash.take = take;\n\t    lodash.takeRight = takeRight;\n\t    lodash.takeRightWhile = takeRightWhile;\n\t    lodash.takeWhile = takeWhile;\n\t    lodash.tap = tap;\n\t    lodash.throttle = throttle;\n\t    lodash.thru = thru;\n\t    lodash.toArray = toArray;\n\t    lodash.toPairs = toPairs;\n\t    lodash.toPairsIn = toPairsIn;\n\t    lodash.toPath = toPath;\n\t    lodash.toPlainObject = toPlainObject;\n\t    lodash.transform = transform;\n\t    lodash.unary = unary;\n\t    lodash.union = union;\n\t    lodash.unionBy = unionBy;\n\t    lodash.unionWith = unionWith;\n\t    lodash.uniq = uniq;\n\t    lodash.uniqBy = uniqBy;\n\t    lodash.uniqWith = uniqWith;\n\t    lodash.unset = unset;\n\t    lodash.unzip = unzip;\n\t    lodash.unzipWith = unzipWith;\n\t    lodash.update = update;\n\t    lodash.updateWith = updateWith;\n\t    lodash.values = values;\n\t    lodash.valuesIn = valuesIn;\n\t    lodash.without = without;\n\t    lodash.words = words;\n\t    lodash.wrap = wrap;\n\t    lodash.xor = xor;\n\t    lodash.xorBy = xorBy;\n\t    lodash.xorWith = xorWith;\n\t    lodash.zip = zip;\n\t    lodash.zipObject = zipObject;\n\t    lodash.zipObjectDeep = zipObjectDeep;\n\t    lodash.zipWith = zipWith;\n\t\n\t    // Add aliases.\n\t    lodash.entries = toPairs;\n\t    lodash.entriesIn = toPairsIn;\n\t    lodash.extend = assignIn;\n\t    lodash.extendWith = assignInWith;\n\t\n\t    // Add methods to `lodash.prototype`.\n\t    mixin(lodash, lodash);\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    // Add methods that return unwrapped values in chain sequences.\n\t    lodash.add = add;\n\t    lodash.attempt = attempt;\n\t    lodash.camelCase = camelCase;\n\t    lodash.capitalize = capitalize;\n\t    lodash.ceil = ceil;\n\t    lodash.clamp = clamp;\n\t    lodash.clone = clone;\n\t    lodash.cloneDeep = cloneDeep;\n\t    lodash.cloneDeepWith = cloneDeepWith;\n\t    lodash.cloneWith = cloneWith;\n\t    lodash.conformsTo = conformsTo;\n\t    lodash.deburr = deburr;\n\t    lodash.defaultTo = defaultTo;\n\t    lodash.divide = divide;\n\t    lodash.endsWith = endsWith;\n\t    lodash.eq = eq;\n\t    lodash.escape = escape;\n\t    lodash.escapeRegExp = escapeRegExp;\n\t    lodash.every = every;\n\t    lodash.find = find;\n\t    lodash.findIndex = findIndex;\n\t    lodash.findKey = findKey;\n\t    lodash.findLast = findLast;\n\t    lodash.findLastIndex = findLastIndex;\n\t    lodash.findLastKey = findLastKey;\n\t    lodash.floor = floor;\n\t    lodash.forEach = forEach;\n\t    lodash.forEachRight = forEachRight;\n\t    lodash.forIn = forIn;\n\t    lodash.forInRight = forInRight;\n\t    lodash.forOwn = forOwn;\n\t    lodash.forOwnRight = forOwnRight;\n\t    lodash.get = get;\n\t    lodash.gt = gt;\n\t    lodash.gte = gte;\n\t    lodash.has = has;\n\t    lodash.hasIn = hasIn;\n\t    lodash.head = head;\n\t    lodash.identity = identity;\n\t    lodash.includes = includes;\n\t    lodash.indexOf = indexOf;\n\t    lodash.inRange = inRange;\n\t    lodash.invoke = invoke;\n\t    lodash.isArguments = isArguments;\n\t    lodash.isArray = isArray;\n\t    lodash.isArrayBuffer = isArrayBuffer;\n\t    lodash.isArrayLike = isArrayLike;\n\t    lodash.isArrayLikeObject = isArrayLikeObject;\n\t    lodash.isBoolean = isBoolean;\n\t    lodash.isBuffer = isBuffer;\n\t    lodash.isDate = isDate;\n\t    lodash.isElement = isElement;\n\t    lodash.isEmpty = isEmpty;\n\t    lodash.isEqual = isEqual;\n\t    lodash.isEqualWith = isEqualWith;\n\t    lodash.isError = isError;\n\t    lodash.isFinite = isFinite;\n\t    lodash.isFunction = isFunction;\n\t    lodash.isInteger = isInteger;\n\t    lodash.isLength = isLength;\n\t    lodash.isMap = isMap;\n\t    lodash.isMatch = isMatch;\n\t    lodash.isMatchWith = isMatchWith;\n\t    lodash.isNaN = isNaN;\n\t    lodash.isNative = isNative;\n\t    lodash.isNil = isNil;\n\t    lodash.isNull = isNull;\n\t    lodash.isNumber = isNumber;\n\t    lodash.isObject = isObject;\n\t    lodash.isObjectLike = isObjectLike;\n\t    lodash.isPlainObject = isPlainObject;\n\t    lodash.isRegExp = isRegExp;\n\t    lodash.isSafeInteger = isSafeInteger;\n\t    lodash.isSet = isSet;\n\t    lodash.isString = isString;\n\t    lodash.isSymbol = isSymbol;\n\t    lodash.isTypedArray = isTypedArray;\n\t    lodash.isUndefined = isUndefined;\n\t    lodash.isWeakMap = isWeakMap;\n\t    lodash.isWeakSet = isWeakSet;\n\t    lodash.join = join;\n\t    lodash.kebabCase = kebabCase;\n\t    lodash.last = last;\n\t    lodash.lastIndexOf = lastIndexOf;\n\t    lodash.lowerCase = lowerCase;\n\t    lodash.lowerFirst = lowerFirst;\n\t    lodash.lt = lt;\n\t    lodash.lte = lte;\n\t    lodash.max = max;\n\t    lodash.maxBy = maxBy;\n\t    lodash.mean = mean;\n\t    lodash.meanBy = meanBy;\n\t    lodash.min = min;\n\t    lodash.minBy = minBy;\n\t    lodash.stubArray = stubArray;\n\t    lodash.stubFalse = stubFalse;\n\t    lodash.stubObject = stubObject;\n\t    lodash.stubString = stubString;\n\t    lodash.stubTrue = stubTrue;\n\t    lodash.multiply = multiply;\n\t    lodash.nth = nth;\n\t    lodash.noConflict = noConflict;\n\t    lodash.noop = noop;\n\t    lodash.now = now;\n\t    lodash.pad = pad;\n\t    lodash.padEnd = padEnd;\n\t    lodash.padStart = padStart;\n\t    lodash.parseInt = parseInt;\n\t    lodash.random = random;\n\t    lodash.reduce = reduce;\n\t    lodash.reduceRight = reduceRight;\n\t    lodash.repeat = repeat;\n\t    lodash.replace = replace;\n\t    lodash.result = result;\n\t    lodash.round = round;\n\t    lodash.runInContext = runInContext;\n\t    lodash.sample = sample;\n\t    lodash.size = size;\n\t    lodash.snakeCase = snakeCase;\n\t    lodash.some = some;\n\t    lodash.sortedIndex = sortedIndex;\n\t    lodash.sortedIndexBy = sortedIndexBy;\n\t    lodash.sortedIndexOf = sortedIndexOf;\n\t    lodash.sortedLastIndex = sortedLastIndex;\n\t    lodash.sortedLastIndexBy = sortedLastIndexBy;\n\t    lodash.sortedLastIndexOf = sortedLastIndexOf;\n\t    lodash.startCase = startCase;\n\t    lodash.startsWith = startsWith;\n\t    lodash.subtract = subtract;\n\t    lodash.sum = sum;\n\t    lodash.sumBy = sumBy;\n\t    lodash.template = template;\n\t    lodash.times = times;\n\t    lodash.toFinite = toFinite;\n\t    lodash.toInteger = toInteger;\n\t    lodash.toLength = toLength;\n\t    lodash.toLower = toLower;\n\t    lodash.toNumber = toNumber;\n\t    lodash.toSafeInteger = toSafeInteger;\n\t    lodash.toString = toString;\n\t    lodash.toUpper = toUpper;\n\t    lodash.trim = trim;\n\t    lodash.trimEnd = trimEnd;\n\t    lodash.trimStart = trimStart;\n\t    lodash.truncate = truncate;\n\t    lodash.unescape = unescape;\n\t    lodash.uniqueId = uniqueId;\n\t    lodash.upperCase = upperCase;\n\t    lodash.upperFirst = upperFirst;\n\t\n\t    // Add aliases.\n\t    lodash.each = forEach;\n\t    lodash.eachRight = forEachRight;\n\t    lodash.first = head;\n\t\n\t    mixin(lodash, (function() {\n\t      var source = {};\n\t      baseForOwn(lodash, function(func, methodName) {\n\t        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n\t          source[methodName] = func;\n\t        }\n\t      });\n\t      return source;\n\t    }()), { 'chain': false });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * The semantic version number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @type {string}\n\t     */\n\t    lodash.VERSION = VERSION;\n\t\n\t    // Assign default placeholders.\n\t    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n\t      lodash[methodName].placeholder = lodash;\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n\t    arrayEach(['drop', 'take'], function(methodName, index) {\n\t      LazyWrapper.prototype[methodName] = function(n) {\n\t        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\t\n\t        var result = (this.__filtered__ && !index)\n\t          ? new LazyWrapper(this)\n\t          : this.clone();\n\t\n\t        if (result.__filtered__) {\n\t          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n\t        } else {\n\t          result.__views__.push({\n\t            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n\t            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n\t          });\n\t        }\n\t        return result;\n\t      };\n\t\n\t      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n\t        return this.reverse()[methodName](n).reverse();\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods that accept an `iteratee` value.\n\t    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n\t      var type = index + 1,\n\t          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\t\n\t      LazyWrapper.prototype[methodName] = function(iteratee) {\n\t        var result = this.clone();\n\t        result.__iteratees__.push({\n\t          'iteratee': getIteratee(iteratee, 3),\n\t          'type': type\n\t        });\n\t        result.__filtered__ = result.__filtered__ || isFilter;\n\t        return result;\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n\t    arrayEach(['head', 'last'], function(methodName, index) {\n\t      var takeName = 'take' + (index ? 'Right' : '');\n\t\n\t      LazyWrapper.prototype[methodName] = function() {\n\t        return this[takeName](1).value()[0];\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n\t    arrayEach(['initial', 'tail'], function(methodName, index) {\n\t      var dropName = 'drop' + (index ? '' : 'Right');\n\t\n\t      LazyWrapper.prototype[methodName] = function() {\n\t        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n\t      };\n\t    });\n\t\n\t    LazyWrapper.prototype.compact = function() {\n\t      return this.filter(identity);\n\t    };\n\t\n\t    LazyWrapper.prototype.find = function(predicate) {\n\t      return this.filter(predicate).head();\n\t    };\n\t\n\t    LazyWrapper.prototype.findLast = function(predicate) {\n\t      return this.reverse().find(predicate);\n\t    };\n\t\n\t    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n\t      if (typeof path == 'function') {\n\t        return new LazyWrapper(this);\n\t      }\n\t      return this.map(function(value) {\n\t        return baseInvoke(value, path, args);\n\t      });\n\t    });\n\t\n\t    LazyWrapper.prototype.reject = function(predicate) {\n\t      return this.filter(negate(getIteratee(predicate)));\n\t    };\n\t\n\t    LazyWrapper.prototype.slice = function(start, end) {\n\t      start = toInteger(start);\n\t\n\t      var result = this;\n\t      if (result.__filtered__ && (start > 0 || end < 0)) {\n\t        return new LazyWrapper(result);\n\t      }\n\t      if (start < 0) {\n\t        result = result.takeRight(-start);\n\t      } else if (start) {\n\t        result = result.drop(start);\n\t      }\n\t      if (end !== undefined) {\n\t        end = toInteger(end);\n\t        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n\t      }\n\t      return result;\n\t    };\n\t\n\t    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n\t      return this.reverse().takeWhile(predicate).reverse();\n\t    };\n\t\n\t    LazyWrapper.prototype.toArray = function() {\n\t      return this.take(MAX_ARRAY_LENGTH);\n\t    };\n\t\n\t    // Add `LazyWrapper` methods to `lodash.prototype`.\n\t    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n\t      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n\t          isTaker = /^(?:head|last)$/.test(methodName),\n\t          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n\t          retUnwrapped = isTaker || /^find/.test(methodName);\n\t\n\t      if (!lodashFunc) {\n\t        return;\n\t      }\n\t      lodash.prototype[methodName] = function() {\n\t        var value = this.__wrapped__,\n\t            args = isTaker ? [1] : arguments,\n\t            isLazy = value instanceof LazyWrapper,\n\t            iteratee = args[0],\n\t            useLazy = isLazy || isArray(value);\n\t\n\t        var interceptor = function(value) {\n\t          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n\t          return (isTaker && chainAll) ? result[0] : result;\n\t        };\n\t\n\t        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n\t          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n\t          isLazy = useLazy = false;\n\t        }\n\t        var chainAll = this.__chain__,\n\t            isHybrid = !!this.__actions__.length,\n\t            isUnwrapped = retUnwrapped && !chainAll,\n\t            onlyLazy = isLazy && !isHybrid;\n\t\n\t        if (!retUnwrapped && useLazy) {\n\t          value = onlyLazy ? value : new LazyWrapper(this);\n\t          var result = func.apply(value, args);\n\t          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n\t          return new LodashWrapper(result, chainAll);\n\t        }\n\t        if (isUnwrapped && onlyLazy) {\n\t          return func.apply(this, args);\n\t        }\n\t        result = this.thru(interceptor);\n\t        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n\t      };\n\t    });\n\t\n\t    // Add `Array` methods to `lodash.prototype`.\n\t    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n\t      var func = arrayProto[methodName],\n\t          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n\t          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\t\n\t      lodash.prototype[methodName] = function() {\n\t        var args = arguments;\n\t        if (retUnwrapped && !this.__chain__) {\n\t          var value = this.value();\n\t          return func.apply(isArray(value) ? value : [], args);\n\t        }\n\t        return this[chainName](function(value) {\n\t          return func.apply(isArray(value) ? value : [], args);\n\t        });\n\t      };\n\t    });\n\t\n\t    // Map minified method names to their real names.\n\t    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n\t      var lodashFunc = lodash[methodName];\n\t      if (lodashFunc) {\n\t        var key = (lodashFunc.name + ''),\n\t            names = realNames[key] || (realNames[key] = []);\n\t\n\t        names.push({ 'name': methodName, 'func': lodashFunc });\n\t      }\n\t    });\n\t\n\t    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n\t      'name': 'wrapper',\n\t      'func': undefined\n\t    }];\n\t\n\t    // Add methods to `LazyWrapper`.\n\t    LazyWrapper.prototype.clone = lazyClone;\n\t    LazyWrapper.prototype.reverse = lazyReverse;\n\t    LazyWrapper.prototype.value = lazyValue;\n\t\n\t    // Add chain sequence methods to the `lodash` wrapper.\n\t    lodash.prototype.at = wrapperAt;\n\t    lodash.prototype.chain = wrapperChain;\n\t    lodash.prototype.commit = wrapperCommit;\n\t    lodash.prototype.next = wrapperNext;\n\t    lodash.prototype.plant = wrapperPlant;\n\t    lodash.prototype.reverse = wrapperReverse;\n\t    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\t\n\t    // Add lazy aliases.\n\t    lodash.prototype.first = lodash.prototype.head;\n\t\n\t    if (symIterator) {\n\t      lodash.prototype[symIterator] = wrapperToIterator;\n\t    }\n\t    return lodash;\n\t  });\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  // Export lodash.\n\t  var _ = runInContext();\n\t\n\t  // Some AMD build optimizers, like r.js, check for condition patterns like:\n\t  if (true) {\n\t    // Expose Lodash on the global object to prevent errors when Lodash is\n\t    // loaded by a script tag in the presence of an AMD loader.\n\t    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n\t    // Use `_.noConflict` to remove Lodash from the global object.\n\t    root._ = _;\n\t\n\t    // Define as an anonymous module so, through path mapping, it can be\n\t    // referenced as the \"underscore\" module.\n\t    !(__WEBPACK_AMD_DEFINE_RESULT__ = function() {\n\t      return _;\n\t    }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n\t  }\n\t  // Check for `exports` after `define` in case a build optimizer adds it.\n\t  else if (freeModule) {\n\t    // Export for Node.js.\n\t    (freeModule.exports = _)._ = _;\n\t    // Export for CommonJS support.\n\t    freeExports._ = _;\n\t  }\n\t  else {\n\t    // Export to the global object.\n\t    root._ = _;\n\t  }\n\t}.call(this));\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()), __webpack_require__(13)(module)))\n\n/***/ }),\n/* 97 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(105), __esModule: true };\n\n/***/ }),\n/* 98 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(106), __esModule: true };\n\n/***/ }),\n/* 99 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(107), __esModule: true };\n\n/***/ }),\n/* 100 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(108), __esModule: true };\n\n/***/ }),\n/* 101 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(109), __esModule: true };\n\n/***/ }),\n/* 102 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(110), __esModule: true };\n\n/***/ }),\n/* 103 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\tvar _setPrototypeOf = __webpack_require__(100);\n\t\n\tvar _setPrototypeOf2 = _interopRequireDefault(_setPrototypeOf);\n\t\n\tvar _create = __webpack_require__(97);\n\t\n\tvar _create2 = _interopRequireDefault(_create);\n\t\n\tvar _typeof2 = __webpack_require__(43);\n\t\n\tvar _typeof3 = _interopRequireDefault(_typeof2);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = function (subClass, superClass) {\n\t  if (typeof superClass !== \"function\" && superClass !== null) {\n\t    throw new TypeError(\"Super expression must either be null or a function, not \" + (typeof superClass === \"undefined\" ? \"undefined\" : (0, _typeof3.default)(superClass)));\n\t  }\n\t\n\t  subClass.prototype = (0, _create2.default)(superClass && superClass.prototype, {\n\t    constructor: {\n\t      value: subClass,\n\t      enumerable: false,\n\t      writable: true,\n\t      configurable: true\n\t    }\n\t  });\n\t  if (superClass) _setPrototypeOf2.default ? (0, _setPrototypeOf2.default)(subClass, superClass) : subClass.__proto__ = superClass;\n\t};\n\n/***/ }),\n/* 104 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\tvar _typeof2 = __webpack_require__(43);\n\t\n\tvar _typeof3 = _interopRequireDefault(_typeof2);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = function (self, call) {\n\t  if (!self) {\n\t    throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n\t  }\n\t\n\t  return call && ((typeof call === \"undefined\" ? \"undefined\" : (0, _typeof3.default)(call)) === \"object\" || typeof call === \"function\") ? call : self;\n\t};\n\n/***/ }),\n/* 105 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(130);\n\tvar $Object = __webpack_require__(1).Object;\n\tmodule.exports = function create(P, D){\n\t  return $Object.create(P, D);\n\t};\n\n/***/ }),\n/* 106 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(131);\n\tvar $Object = __webpack_require__(1).Object;\n\tmodule.exports = function defineProperty(it, key, desc){\n\t  return $Object.defineProperty(it, key, desc);\n\t};\n\n/***/ }),\n/* 107 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(132);\n\tmodule.exports = __webpack_require__(1).Object.getPrototypeOf;\n\n/***/ }),\n/* 108 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(133);\n\tmodule.exports = __webpack_require__(1).Object.setPrototypeOf;\n\n/***/ }),\n/* 109 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(136);\n\t__webpack_require__(134);\n\t__webpack_require__(137);\n\t__webpack_require__(138);\n\tmodule.exports = __webpack_require__(1).Symbol;\n\n/***/ }),\n/* 110 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(135);\n\t__webpack_require__(139);\n\tmodule.exports = __webpack_require__(35).f('iterator');\n\n/***/ }),\n/* 111 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(it){\n\t  if(typeof it != 'function')throw TypeError(it + ' is not a function!');\n\t  return it;\n\t};\n\n/***/ }),\n/* 112 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(){ /* empty */ };\n\n/***/ }),\n/* 113 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// false -> Array#indexOf\n\t// true  -> Array#includes\n\tvar toIObject = __webpack_require__(6)\n\t  , toLength  = __webpack_require__(128)\n\t  , toIndex   = __webpack_require__(127);\n\tmodule.exports = function(IS_INCLUDES){\n\t  return function($this, el, fromIndex){\n\t    var O      = toIObject($this)\n\t      , length = toLength(O.length)\n\t      , index  = toIndex(fromIndex, length)\n\t      , value;\n\t    // Array#includes uses SameValueZero equality algorithm\n\t    if(IS_INCLUDES && el != el)while(length > index){\n\t      value = O[index++];\n\t      if(value != value)return true;\n\t    // Array#toIndex ignores holes, Array#includes - not\n\t    } else for(;length > index; index++)if(IS_INCLUDES || index in O){\n\t      if(O[index] === el)return IS_INCLUDES || index || 0;\n\t    } return !IS_INCLUDES && -1;\n\t  };\n\t};\n\n/***/ }),\n/* 114 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// all enumerable object keys, includes symbols\n\tvar getKeys = __webpack_require__(15)\n\t  , gOPS    = __webpack_require__(51)\n\t  , pIE     = __webpack_require__(28);\n\tmodule.exports = function(it){\n\t  var result     = getKeys(it)\n\t    , getSymbols = gOPS.f;\n\t  if(getSymbols){\n\t    var symbols = getSymbols(it)\n\t      , isEnum  = pIE.f\n\t      , i       = 0\n\t      , key;\n\t    while(symbols.length > i)if(isEnum.call(it, key = symbols[i++]))result.push(key);\n\t  } return result;\n\t};\n\n/***/ }),\n/* 115 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = __webpack_require__(2).document && document.documentElement;\n\n/***/ }),\n/* 116 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// fallback for non-array-like ES3 and non-enumerable old V8 strings\n\tvar cof = __webpack_require__(44);\n\tmodule.exports = Object('z').propertyIsEnumerable(0) ? Object : function(it){\n\t  return cof(it) == 'String' ? it.split('') : Object(it);\n\t};\n\n/***/ }),\n/* 117 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 7.2.2 IsArray(argument)\n\tvar cof = __webpack_require__(44);\n\tmodule.exports = Array.isArray || function isArray(arg){\n\t  return cof(arg) == 'Array';\n\t};\n\n/***/ }),\n/* 118 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\tvar create         = __webpack_require__(27)\n\t  , descriptor     = __webpack_require__(16)\n\t  , setToStringTag = __webpack_require__(29)\n\t  , IteratorPrototype = {};\n\t\n\t// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()\n\t__webpack_require__(8)(IteratorPrototype, __webpack_require__(9)('iterator'), function(){ return this; });\n\t\n\tmodule.exports = function(Constructor, NAME, next){\n\t  Constructor.prototype = create(IteratorPrototype, {next: descriptor(1, next)});\n\t  setToStringTag(Constructor, NAME + ' Iterator');\n\t};\n\n/***/ }),\n/* 119 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(done, value){\n\t  return {value: value, done: !!done};\n\t};\n\n/***/ }),\n/* 120 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar getKeys   = __webpack_require__(15)\n\t  , toIObject = __webpack_require__(6);\n\tmodule.exports = function(object, el){\n\t  var O      = toIObject(object)\n\t    , keys   = getKeys(O)\n\t    , length = keys.length\n\t    , index  = 0\n\t    , key;\n\t  while(length > index)if(O[key = keys[index++]] === el)return key;\n\t};\n\n/***/ }),\n/* 121 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar META     = __webpack_require__(17)('meta')\n\t  , isObject = __webpack_require__(12)\n\t  , has      = __webpack_require__(4)\n\t  , setDesc  = __webpack_require__(5).f\n\t  , id       = 0;\n\tvar isExtensible = Object.isExtensible || function(){\n\t  return true;\n\t};\n\tvar FREEZE = !__webpack_require__(11)(function(){\n\t  return isExtensible(Object.preventExtensions({}));\n\t});\n\tvar setMeta = function(it){\n\t  setDesc(it, META, {value: {\n\t    i: 'O' + ++id, // object ID\n\t    w: {}          // weak collections IDs\n\t  }});\n\t};\n\tvar fastKey = function(it, create){\n\t  // return primitive with prefix\n\t  if(!isObject(it))return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;\n\t  if(!has(it, META)){\n\t    // can't set metadata to uncaught frozen object\n\t    if(!isExtensible(it))return 'F';\n\t    // not necessary to add metadata\n\t    if(!create)return 'E';\n\t    // add missing metadata\n\t    setMeta(it);\n\t  // return object ID\n\t  } return it[META].i;\n\t};\n\tvar getWeak = function(it, create){\n\t  if(!has(it, META)){\n\t    // can't set metadata to uncaught frozen object\n\t    if(!isExtensible(it))return true;\n\t    // not necessary to add metadata\n\t    if(!create)return false;\n\t    // add missing metadata\n\t    setMeta(it);\n\t  // return hash weak collections IDs\n\t  } return it[META].w;\n\t};\n\t// add metadata on freeze-family methods calling\n\tvar onFreeze = function(it){\n\t  if(FREEZE && meta.NEED && isExtensible(it) && !has(it, META))setMeta(it);\n\t  return it;\n\t};\n\tvar meta = module.exports = {\n\t  KEY:      META,\n\t  NEED:     false,\n\t  fastKey:  fastKey,\n\t  getWeak:  getWeak,\n\t  onFreeze: onFreeze\n\t};\n\n/***/ }),\n/* 122 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar dP       = __webpack_require__(5)\n\t  , anObject = __webpack_require__(10)\n\t  , getKeys  = __webpack_require__(15);\n\t\n\tmodule.exports = __webpack_require__(3) ? Object.defineProperties : function defineProperties(O, Properties){\n\t  anObject(O);\n\t  var keys   = getKeys(Properties)\n\t    , length = keys.length\n\t    , i = 0\n\t    , P;\n\t  while(length > i)dP.f(O, P = keys[i++], Properties[P]);\n\t  return O;\n\t};\n\n/***/ }),\n/* 123 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window\n\tvar toIObject = __webpack_require__(6)\n\t  , gOPN      = __webpack_require__(50).f\n\t  , toString  = {}.toString;\n\t\n\tvar windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames\n\t  ? Object.getOwnPropertyNames(window) : [];\n\t\n\tvar getWindowNames = function(it){\n\t  try {\n\t    return gOPN(it);\n\t  } catch(e){\n\t    return windowNames.slice();\n\t  }\n\t};\n\t\n\tmodule.exports.f = function getOwnPropertyNames(it){\n\t  return windowNames && toString.call(it) == '[object Window]' ? getWindowNames(it) : gOPN(toIObject(it));\n\t};\n\n\n/***/ }),\n/* 124 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// most Object methods by ES6 should accept primitives\n\tvar $export = __webpack_require__(7)\n\t  , core    = __webpack_require__(1)\n\t  , fails   = __webpack_require__(11);\n\tmodule.exports = function(KEY, exec){\n\t  var fn  = (core.Object || {})[KEY] || Object[KEY]\n\t    , exp = {};\n\t  exp[KEY] = exec(fn);\n\t  $export($export.S + $export.F * fails(function(){ fn(1); }), 'Object', exp);\n\t};\n\n/***/ }),\n/* 125 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// Works with __proto__ only. Old v8 can't work with null proto objects.\n\t/* eslint-disable no-proto */\n\tvar isObject = __webpack_require__(12)\n\t  , anObject = __webpack_require__(10);\n\tvar check = function(O, proto){\n\t  anObject(O);\n\t  if(!isObject(proto) && proto !== null)throw TypeError(proto + \": can't set as prototype!\");\n\t};\n\tmodule.exports = {\n\t  set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line\n\t    function(test, buggy, set){\n\t      try {\n\t        set = __webpack_require__(45)(Function.call, __webpack_require__(49).f(Object.prototype, '__proto__').set, 2);\n\t        set(test, []);\n\t        buggy = !(test instanceof Array);\n\t      } catch(e){ buggy = true; }\n\t      return function setPrototypeOf(O, proto){\n\t        check(O, proto);\n\t        if(buggy)O.__proto__ = proto;\n\t        else set(O, proto);\n\t        return O;\n\t      };\n\t    }({}, false) : undefined),\n\t  check: check\n\t};\n\n/***/ }),\n/* 126 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar toInteger = __webpack_require__(32)\n\t  , defined   = __webpack_require__(23);\n\t// true  -> String#at\n\t// false -> String#codePointAt\n\tmodule.exports = function(TO_STRING){\n\t  return function(that, pos){\n\t    var s = String(defined(that))\n\t      , i = toInteger(pos)\n\t      , l = s.length\n\t      , a, b;\n\t    if(i < 0 || i >= l)return TO_STRING ? '' : undefined;\n\t    a = s.charCodeAt(i);\n\t    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff\n\t      ? TO_STRING ? s.charAt(i) : a\n\t      : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;\n\t  };\n\t};\n\n/***/ }),\n/* 127 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar toInteger = __webpack_require__(32)\n\t  , max       = Math.max\n\t  , min       = Math.min;\n\tmodule.exports = function(index, length){\n\t  index = toInteger(index);\n\t  return index < 0 ? max(index + length, 0) : min(index, length);\n\t};\n\n/***/ }),\n/* 128 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 7.1.15 ToLength\n\tvar toInteger = __webpack_require__(32)\n\t  , min       = Math.min;\n\tmodule.exports = function(it){\n\t  return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991\n\t};\n\n/***/ }),\n/* 129 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\tvar addToUnscopables = __webpack_require__(112)\n\t  , step             = __webpack_require__(119)\n\t  , Iterators        = __webpack_require__(25)\n\t  , toIObject        = __webpack_require__(6);\n\t\n\t// 22.1.3.4 Array.prototype.entries()\n\t// 22.1.3.13 Array.prototype.keys()\n\t// 22.1.3.29 Array.prototype.values()\n\t// 22.1.3.30 Array.prototype[@@iterator]()\n\tmodule.exports = __webpack_require__(48)(Array, 'Array', function(iterated, kind){\n\t  this._t = toIObject(iterated); // target\n\t  this._i = 0;                   // next index\n\t  this._k = kind;                // kind\n\t// 22.1.5.2.1 %ArrayIteratorPrototype%.next()\n\t}, function(){\n\t  var O     = this._t\n\t    , kind  = this._k\n\t    , index = this._i++;\n\t  if(!O || index >= O.length){\n\t    this._t = undefined;\n\t    return step(1);\n\t  }\n\t  if(kind == 'keys'  )return step(0, index);\n\t  if(kind == 'values')return step(0, O[index]);\n\t  return step(0, [index, O[index]]);\n\t}, 'values');\n\t\n\t// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)\n\tIterators.Arguments = Iterators.Array;\n\t\n\taddToUnscopables('keys');\n\taddToUnscopables('values');\n\taddToUnscopables('entries');\n\n/***/ }),\n/* 130 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar $export = __webpack_require__(7)\n\t// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\n\t$export($export.S, 'Object', {create: __webpack_require__(27)});\n\n/***/ }),\n/* 131 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar $export = __webpack_require__(7);\n\t// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n\t$export($export.S + $export.F * !__webpack_require__(3), 'Object', {defineProperty: __webpack_require__(5).f});\n\n/***/ }),\n/* 132 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 19.1.2.9 Object.getPrototypeOf(O)\n\tvar toObject        = __webpack_require__(55)\n\t  , $getPrototypeOf = __webpack_require__(52);\n\t\n\t__webpack_require__(124)('getPrototypeOf', function(){\n\t  return function getPrototypeOf(it){\n\t    return $getPrototypeOf(toObject(it));\n\t  };\n\t});\n\n/***/ }),\n/* 133 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 19.1.3.19 Object.setPrototypeOf(O, proto)\n\tvar $export = __webpack_require__(7);\n\t$export($export.S, 'Object', {setPrototypeOf: __webpack_require__(125).set});\n\n/***/ }),\n/* 134 */\n/***/ (function(module, exports) {\n\n\n\n/***/ }),\n/* 135 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\tvar $at  = __webpack_require__(126)(true);\n\t\n\t// 21.1.3.27 String.prototype[@@iterator]()\n\t__webpack_require__(48)(String, 'String', function(iterated){\n\t  this._t = String(iterated); // target\n\t  this._i = 0;                // next index\n\t// 21.1.5.2.1 %StringIteratorPrototype%.next()\n\t}, function(){\n\t  var O     = this._t\n\t    , index = this._i\n\t    , point;\n\t  if(index >= O.length)return {value: undefined, done: true};\n\t  point = $at(O, index);\n\t  this._i += point.length;\n\t  return {value: point, done: false};\n\t});\n\n/***/ }),\n/* 136 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t// ECMAScript 6 symbols shim\n\tvar global         = __webpack_require__(2)\n\t  , has            = __webpack_require__(4)\n\t  , DESCRIPTORS    = __webpack_require__(3)\n\t  , $export        = __webpack_require__(7)\n\t  , redefine       = __webpack_require__(54)\n\t  , META           = __webpack_require__(121).KEY\n\t  , $fails         = __webpack_require__(11)\n\t  , shared         = __webpack_require__(31)\n\t  , setToStringTag = __webpack_require__(29)\n\t  , uid            = __webpack_require__(17)\n\t  , wks            = __webpack_require__(9)\n\t  , wksExt         = __webpack_require__(35)\n\t  , wksDefine      = __webpack_require__(34)\n\t  , keyOf          = __webpack_require__(120)\n\t  , enumKeys       = __webpack_require__(114)\n\t  , isArray        = __webpack_require__(117)\n\t  , anObject       = __webpack_require__(10)\n\t  , toIObject      = __webpack_require__(6)\n\t  , toPrimitive    = __webpack_require__(33)\n\t  , createDesc     = __webpack_require__(16)\n\t  , _create        = __webpack_require__(27)\n\t  , gOPNExt        = __webpack_require__(123)\n\t  , $GOPD          = __webpack_require__(49)\n\t  , $DP            = __webpack_require__(5)\n\t  , $keys          = __webpack_require__(15)\n\t  , gOPD           = $GOPD.f\n\t  , dP             = $DP.f\n\t  , gOPN           = gOPNExt.f\n\t  , $Symbol        = global.Symbol\n\t  , $JSON          = global.JSON\n\t  , _stringify     = $JSON && $JSON.stringify\n\t  , PROTOTYPE      = 'prototype'\n\t  , HIDDEN         = wks('_hidden')\n\t  , TO_PRIMITIVE   = wks('toPrimitive')\n\t  , isEnum         = {}.propertyIsEnumerable\n\t  , SymbolRegistry = shared('symbol-registry')\n\t  , AllSymbols     = shared('symbols')\n\t  , OPSymbols      = shared('op-symbols')\n\t  , ObjectProto    = Object[PROTOTYPE]\n\t  , USE_NATIVE     = typeof $Symbol == 'function'\n\t  , QObject        = global.QObject;\n\t// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173\n\tvar setter = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;\n\t\n\t// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687\n\tvar setSymbolDesc = DESCRIPTORS && $fails(function(){\n\t  return _create(dP({}, 'a', {\n\t    get: function(){ return dP(this, 'a', {value: 7}).a; }\n\t  })).a != 7;\n\t}) ? function(it, key, D){\n\t  var protoDesc = gOPD(ObjectProto, key);\n\t  if(protoDesc)delete ObjectProto[key];\n\t  dP(it, key, D);\n\t  if(protoDesc && it !== ObjectProto)dP(ObjectProto, key, protoDesc);\n\t} : dP;\n\t\n\tvar wrap = function(tag){\n\t  var sym = AllSymbols[tag] = _create($Symbol[PROTOTYPE]);\n\t  sym._k = tag;\n\t  return sym;\n\t};\n\t\n\tvar isSymbol = USE_NATIVE && typeof $Symbol.iterator == 'symbol' ? function(it){\n\t  return typeof it == 'symbol';\n\t} : function(it){\n\t  return it instanceof $Symbol;\n\t};\n\t\n\tvar $defineProperty = function defineProperty(it, key, D){\n\t  if(it === ObjectProto)$defineProperty(OPSymbols, key, D);\n\t  anObject(it);\n\t  key = toPrimitive(key, true);\n\t  anObject(D);\n\t  if(has(AllSymbols, key)){\n\t    if(!D.enumerable){\n\t      if(!has(it, HIDDEN))dP(it, HIDDEN, createDesc(1, {}));\n\t      it[HIDDEN][key] = true;\n\t    } else {\n\t      if(has(it, HIDDEN) && it[HIDDEN][key])it[HIDDEN][key] = false;\n\t      D = _create(D, {enumerable: createDesc(0, false)});\n\t    } return setSymbolDesc(it, key, D);\n\t  } return dP(it, key, D);\n\t};\n\tvar $defineProperties = function defineProperties(it, P){\n\t  anObject(it);\n\t  var keys = enumKeys(P = toIObject(P))\n\t    , i    = 0\n\t    , l = keys.length\n\t    , key;\n\t  while(l > i)$defineProperty(it, key = keys[i++], P[key]);\n\t  return it;\n\t};\n\tvar $create = function create(it, P){\n\t  return P === undefined ? _create(it) : $defineProperties(_create(it), P);\n\t};\n\tvar $propertyIsEnumerable = function propertyIsEnumerable(key){\n\t  var E = isEnum.call(this, key = toPrimitive(key, true));\n\t  if(this === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key))return false;\n\t  return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key] ? E : true;\n\t};\n\tvar $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key){\n\t  it  = toIObject(it);\n\t  key = toPrimitive(key, true);\n\t  if(it === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key))return;\n\t  var D = gOPD(it, key);\n\t  if(D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key]))D.enumerable = true;\n\t  return D;\n\t};\n\tvar $getOwnPropertyNames = function getOwnPropertyNames(it){\n\t  var names  = gOPN(toIObject(it))\n\t    , result = []\n\t    , i      = 0\n\t    , key;\n\t  while(names.length > i){\n\t    if(!has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META)result.push(key);\n\t  } return result;\n\t};\n\tvar $getOwnPropertySymbols = function getOwnPropertySymbols(it){\n\t  var IS_OP  = it === ObjectProto\n\t    , names  = gOPN(IS_OP ? OPSymbols : toIObject(it))\n\t    , result = []\n\t    , i      = 0\n\t    , key;\n\t  while(names.length > i){\n\t    if(has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectProto, key) : true))result.push(AllSymbols[key]);\n\t  } return result;\n\t};\n\t\n\t// 19.4.1.1 Symbol([description])\n\tif(!USE_NATIVE){\n\t  $Symbol = function Symbol(){\n\t    if(this instanceof $Symbol)throw TypeError('Symbol is not a constructor!');\n\t    var tag = uid(arguments.length > 0 ? arguments[0] : undefined);\n\t    var $set = function(value){\n\t      if(this === ObjectProto)$set.call(OPSymbols, value);\n\t      if(has(this, HIDDEN) && has(this[HIDDEN], tag))this[HIDDEN][tag] = false;\n\t      setSymbolDesc(this, tag, createDesc(1, value));\n\t    };\n\t    if(DESCRIPTORS && setter)setSymbolDesc(ObjectProto, tag, {configurable: true, set: $set});\n\t    return wrap(tag);\n\t  };\n\t  redefine($Symbol[PROTOTYPE], 'toString', function toString(){\n\t    return this._k;\n\t  });\n\t\n\t  $GOPD.f = $getOwnPropertyDescriptor;\n\t  $DP.f   = $defineProperty;\n\t  __webpack_require__(50).f = gOPNExt.f = $getOwnPropertyNames;\n\t  __webpack_require__(28).f  = $propertyIsEnumerable;\n\t  __webpack_require__(51).f = $getOwnPropertySymbols;\n\t\n\t  if(DESCRIPTORS && !__webpack_require__(26)){\n\t    redefine(ObjectProto, 'propertyIsEnumerable', $propertyIsEnumerable, true);\n\t  }\n\t\n\t  wksExt.f = function(name){\n\t    return wrap(wks(name));\n\t  }\n\t}\n\t\n\t$export($export.G + $export.W + $export.F * !USE_NATIVE, {Symbol: $Symbol});\n\t\n\tfor(var symbols = (\n\t  // 19.4.2.2, 19.4.2.3, 19.4.2.4, 19.4.2.6, 19.4.2.8, 19.4.2.9, 19.4.2.10, 19.4.2.11, 19.4.2.12, 19.4.2.13, 19.4.2.14\n\t  'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'\n\t).split(','), i = 0; symbols.length > i; )wks(symbols[i++]);\n\t\n\tfor(var symbols = $keys(wks.store), i = 0; symbols.length > i; )wksDefine(symbols[i++]);\n\t\n\t$export($export.S + $export.F * !USE_NATIVE, 'Symbol', {\n\t  // 19.4.2.1 Symbol.for(key)\n\t  'for': function(key){\n\t    return has(SymbolRegistry, key += '')\n\t      ? SymbolRegistry[key]\n\t      : SymbolRegistry[key] = $Symbol(key);\n\t  },\n\t  // 19.4.2.5 Symbol.keyFor(sym)\n\t  keyFor: function keyFor(key){\n\t    if(isSymbol(key))return keyOf(SymbolRegistry, key);\n\t    throw TypeError(key + ' is not a symbol!');\n\t  },\n\t  useSetter: function(){ setter = true; },\n\t  useSimple: function(){ setter = false; }\n\t});\n\t\n\t$export($export.S + $export.F * !USE_NATIVE, 'Object', {\n\t  // 19.1.2.2 Object.create(O [, Properties])\n\t  create: $create,\n\t  // 19.1.2.4 Object.defineProperty(O, P, Attributes)\n\t  defineProperty: $defineProperty,\n\t  // 19.1.2.3 Object.defineProperties(O, Properties)\n\t  defineProperties: $defineProperties,\n\t  // 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)\n\t  getOwnPropertyDescriptor: $getOwnPropertyDescriptor,\n\t  // 19.1.2.7 Object.getOwnPropertyNames(O)\n\t  getOwnPropertyNames: $getOwnPropertyNames,\n\t  // 19.1.2.8 Object.getOwnPropertySymbols(O)\n\t  getOwnPropertySymbols: $getOwnPropertySymbols\n\t});\n\t\n\t// 24.3.2 JSON.stringify(value [, replacer [, space]])\n\t$JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function(){\n\t  var S = $Symbol();\n\t  // MS Edge converts symbol values to JSON as {}\n\t  // WebKit converts symbol values to JSON as null\n\t  // V8 throws on boxed symbols\n\t  return _stringify([S]) != '[null]' || _stringify({a: S}) != '{}' || _stringify(Object(S)) != '{}';\n\t})), 'JSON', {\n\t  stringify: function stringify(it){\n\t    if(it === undefined || isSymbol(it))return; // IE8 returns string on undefined\n\t    var args = [it]\n\t      , i    = 1\n\t      , replacer, $replacer;\n\t    while(arguments.length > i)args.push(arguments[i++]);\n\t    replacer = args[1];\n\t    if(typeof replacer == 'function')$replacer = replacer;\n\t    if($replacer || !isArray(replacer))replacer = function(key, value){\n\t      if($replacer)value = $replacer.call(this, key, value);\n\t      if(!isSymbol(value))return value;\n\t    };\n\t    args[1] = replacer;\n\t    return _stringify.apply($JSON, args);\n\t  }\n\t});\n\t\n\t// 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)\n\t$Symbol[PROTOTYPE][TO_PRIMITIVE] || __webpack_require__(8)($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);\n\t// 19.4.3.5 Symbol.prototype[@@toStringTag]\n\tsetToStringTag($Symbol, 'Symbol');\n\t// 20.2.1.9 Math[@@toStringTag]\n\tsetToStringTag(Math, 'Math', true);\n\t// 24.3.3 JSON[@@toStringTag]\n\tsetToStringTag(global.JSON, 'JSON', true);\n\n/***/ }),\n/* 137 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(34)('asyncIterator');\n\n/***/ }),\n/* 138 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(34)('observable');\n\n/***/ }),\n/* 139 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(129);\n\tvar global        = __webpack_require__(2)\n\t  , hide          = __webpack_require__(8)\n\t  , Iterators     = __webpack_require__(25)\n\t  , TO_STRING_TAG = __webpack_require__(9)('toStringTag');\n\t\n\tfor(var collections = ['NodeList', 'DOMTokenList', 'MediaList', 'StyleSheetList', 'CSSRuleList'], i = 0; i < 5; i++){\n\t  var NAME       = collections[i]\n\t    , Collection = global[NAME]\n\t    , proto      = Collection && Collection.prototype;\n\t  if(proto && !proto[TO_STRING_TAG])hide(proto, TO_STRING_TAG, NAME);\n\t  Iterators[NAME] = Iterators.Array;\n\t}\n\n/***/ }),\n/* 140 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(143), __esModule: true };\n\n/***/ }),\n/* 141 */\n/***/ (function(module, exports) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\texports.default = function (instance, Constructor) {\n\t  if (!(instance instanceof Constructor)) {\n\t    throw new TypeError(\"Cannot call a class as a function\");\n\t  }\n\t};\n\n/***/ }),\n/* 142 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\tvar _defineProperty = __webpack_require__(140);\n\t\n\tvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = function () {\n\t  function defineProperties(target, props) {\n\t    for (var i = 0; i < props.length; i++) {\n\t      var descriptor = props[i];\n\t      descriptor.enumerable = descriptor.enumerable || false;\n\t      descriptor.configurable = true;\n\t      if (\"value\" in descriptor) descriptor.writable = true;\n\t      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n\t    }\n\t  }\n\t\n\t  return function (Constructor, protoProps, staticProps) {\n\t    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n\t    if (staticProps) defineProperties(Constructor, staticProps);\n\t    return Constructor;\n\t  };\n\t}();\n\n/***/ }),\n/* 143 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(153);\n\tvar $Object = __webpack_require__(57).Object;\n\tmodule.exports = function defineProperty(it, key, desc){\n\t  return $Object.defineProperty(it, key, desc);\n\t};\n\n/***/ }),\n/* 144 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(it){\n\t  if(typeof it != 'function')throw TypeError(it + ' is not a function!');\n\t  return it;\n\t};\n\n/***/ }),\n/* 145 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar isObject = __webpack_require__(36);\n\tmodule.exports = function(it){\n\t  if(!isObject(it))throw TypeError(it + ' is not an object!');\n\t  return it;\n\t};\n\n/***/ }),\n/* 146 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// optional / simple context binding\n\tvar aFunction = __webpack_require__(144);\n\tmodule.exports = function(fn, that, length){\n\t  aFunction(fn);\n\t  if(that === undefined)return fn;\n\t  switch(length){\n\t    case 1: return function(a){\n\t      return fn.call(that, a);\n\t    };\n\t    case 2: return function(a, b){\n\t      return fn.call(that, a, b);\n\t    };\n\t    case 3: return function(a, b, c){\n\t      return fn.call(that, a, b, c);\n\t    };\n\t  }\n\t  return function(/* ...args */){\n\t    return fn.apply(that, arguments);\n\t  };\n\t};\n\n/***/ }),\n/* 147 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar isObject = __webpack_require__(36)\n\t  , document = __webpack_require__(59).document\n\t  // in old IE typeof document.createElement is 'object'\n\t  , is = isObject(document) && isObject(document.createElement);\n\tmodule.exports = function(it){\n\t  return is ? document.createElement(it) : {};\n\t};\n\n/***/ }),\n/* 148 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar global    = __webpack_require__(59)\n\t  , core      = __webpack_require__(57)\n\t  , ctx       = __webpack_require__(146)\n\t  , hide      = __webpack_require__(149)\n\t  , PROTOTYPE = 'prototype';\n\t\n\tvar $export = function(type, name, source){\n\t  var IS_FORCED = type & $export.F\n\t    , IS_GLOBAL = type & $export.G\n\t    , IS_STATIC = type & $export.S\n\t    , IS_PROTO  = type & $export.P\n\t    , IS_BIND   = type & $export.B\n\t    , IS_WRAP   = type & $export.W\n\t    , exports   = IS_GLOBAL ? core : core[name] || (core[name] = {})\n\t    , expProto  = exports[PROTOTYPE]\n\t    , target    = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE]\n\t    , key, own, out;\n\t  if(IS_GLOBAL)source = name;\n\t  for(key in source){\n\t    // contains in native\n\t    own = !IS_FORCED && target && target[key] !== undefined;\n\t    if(own && key in exports)continue;\n\t    // export native or passed\n\t    out = own ? target[key] : source[key];\n\t    // prevent global pollution for namespaces\n\t    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n\t    // bind timers to global for call from export context\n\t    : IS_BIND && own ? ctx(out, global)\n\t    // wrap global constructors for prevent change them in library\n\t    : IS_WRAP && target[key] == out ? (function(C){\n\t      var F = function(a, b, c){\n\t        if(this instanceof C){\n\t          switch(arguments.length){\n\t            case 0: return new C;\n\t            case 1: return new C(a);\n\t            case 2: return new C(a, b);\n\t          } return new C(a, b, c);\n\t        } return C.apply(this, arguments);\n\t      };\n\t      F[PROTOTYPE] = C[PROTOTYPE];\n\t      return F;\n\t    // make static versions for prototype methods\n\t    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n\t    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n\t    if(IS_PROTO){\n\t      (exports.virtual || (exports.virtual = {}))[key] = out;\n\t      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n\t      if(type & $export.R && expProto && !expProto[key])hide(expProto, key, out);\n\t    }\n\t  }\n\t};\n\t// type bitmap\n\t$export.F = 1;   // forced\n\t$export.G = 2;   // global\n\t$export.S = 4;   // static\n\t$export.P = 8;   // proto\n\t$export.B = 16;  // bind\n\t$export.W = 32;  // wrap\n\t$export.U = 64;  // safe\n\t$export.R = 128; // real proto method for `library` \n\tmodule.exports = $export;\n\n/***/ }),\n/* 149 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar dP         = __webpack_require__(60)\n\t  , createDesc = __webpack_require__(151);\n\tmodule.exports = __webpack_require__(18) ? function(object, key, value){\n\t  return dP.f(object, key, createDesc(1, value));\n\t} : function(object, key, value){\n\t  object[key] = value;\n\t  return object;\n\t};\n\n/***/ }),\n/* 150 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = !__webpack_require__(18) && !__webpack_require__(58)(function(){\n\t  return Object.defineProperty(__webpack_require__(147)('div'), 'a', {get: function(){ return 7; }}).a != 7;\n\t});\n\n/***/ }),\n/* 151 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(bitmap, value){\n\t  return {\n\t    enumerable  : !(bitmap & 1),\n\t    configurable: !(bitmap & 2),\n\t    writable    : !(bitmap & 4),\n\t    value       : value\n\t  };\n\t};\n\n/***/ }),\n/* 152 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 7.1.1 ToPrimitive(input [, PreferredType])\n\tvar isObject = __webpack_require__(36);\n\t// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n\t// and the second argument - flag - preferred type is a string\n\tmodule.exports = function(it, S){\n\t  if(!isObject(it))return it;\n\t  var fn, val;\n\t  if(S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n\t  if(typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it)))return val;\n\t  if(!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n\t  throw TypeError(\"Can't convert object to primitive value\");\n\t};\n\n/***/ }),\n/* 153 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar $export = __webpack_require__(148);\n\t// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n\t$export($export.S + $export.F * !__webpack_require__(18), 'Object', {defineProperty: __webpack_require__(60).f});\n\n/***/ }),\n/* 154 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(global, module) {/**\n\t * @license\n\t * Lodash <https://lodash.com/>\n\t * Copyright JS Foundation and other contributors <https://js.foundation/>\n\t * Released under MIT license <https://lodash.com/license>\n\t * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n\t * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n\t */\n\t;(function() {\n\t\n\t  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n\t  var undefined;\n\t\n\t  /** Used as the semantic version number. */\n\t  var VERSION = '4.17.4';\n\t\n\t  /** Used as the size to enable large array optimizations. */\n\t  var LARGE_ARRAY_SIZE = 200;\n\t\n\t  /** Error message constants. */\n\t  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n\t      FUNC_ERROR_TEXT = 'Expected a function';\n\t\n\t  /** Used to stand-in for `undefined` hash values. */\n\t  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\t\n\t  /** Used as the maximum memoize cache size. */\n\t  var MAX_MEMOIZE_SIZE = 500;\n\t\n\t  /** Used as the internal argument placeholder. */\n\t  var PLACEHOLDER = '__lodash_placeholder__';\n\t\n\t  /** Used to compose bitmasks for cloning. */\n\t  var CLONE_DEEP_FLAG = 1,\n\t      CLONE_FLAT_FLAG = 2,\n\t      CLONE_SYMBOLS_FLAG = 4;\n\t\n\t  /** Used to compose bitmasks for value comparisons. */\n\t  var COMPARE_PARTIAL_FLAG = 1,\n\t      COMPARE_UNORDERED_FLAG = 2;\n\t\n\t  /** Used to compose bitmasks for function metadata. */\n\t  var WRAP_BIND_FLAG = 1,\n\t      WRAP_BIND_KEY_FLAG = 2,\n\t      WRAP_CURRY_BOUND_FLAG = 4,\n\t      WRAP_CURRY_FLAG = 8,\n\t      WRAP_CURRY_RIGHT_FLAG = 16,\n\t      WRAP_PARTIAL_FLAG = 32,\n\t      WRAP_PARTIAL_RIGHT_FLAG = 64,\n\t      WRAP_ARY_FLAG = 128,\n\t      WRAP_REARG_FLAG = 256,\n\t      WRAP_FLIP_FLAG = 512;\n\t\n\t  /** Used as default options for `_.truncate`. */\n\t  var DEFAULT_TRUNC_LENGTH = 30,\n\t      DEFAULT_TRUNC_OMISSION = '...';\n\t\n\t  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n\t  var HOT_COUNT = 800,\n\t      HOT_SPAN = 16;\n\t\n\t  /** Used to indicate the type of lazy iteratees. */\n\t  var LAZY_FILTER_FLAG = 1,\n\t      LAZY_MAP_FLAG = 2,\n\t      LAZY_WHILE_FLAG = 3;\n\t\n\t  /** Used as references for various `Number` constants. */\n\t  var INFINITY = 1 / 0,\n\t      MAX_SAFE_INTEGER = 9007199254740991,\n\t      MAX_INTEGER = 1.7976931348623157e+308,\n\t      NAN = 0 / 0;\n\t\n\t  /** Used as references for the maximum length and index of an array. */\n\t  var MAX_ARRAY_LENGTH = 4294967295,\n\t      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n\t      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\t\n\t  /** Used to associate wrap methods with their bit flags. */\n\t  var wrapFlags = [\n\t    ['ary', WRAP_ARY_FLAG],\n\t    ['bind', WRAP_BIND_FLAG],\n\t    ['bindKey', WRAP_BIND_KEY_FLAG],\n\t    ['curry', WRAP_CURRY_FLAG],\n\t    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n\t    ['flip', WRAP_FLIP_FLAG],\n\t    ['partial', WRAP_PARTIAL_FLAG],\n\t    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n\t    ['rearg', WRAP_REARG_FLAG]\n\t  ];\n\t\n\t  /** `Object#toString` result references. */\n\t  var argsTag = '[object Arguments]',\n\t      arrayTag = '[object Array]',\n\t      asyncTag = '[object AsyncFunction]',\n\t      boolTag = '[object Boolean]',\n\t      dateTag = '[object Date]',\n\t      domExcTag = '[object DOMException]',\n\t      errorTag = '[object Error]',\n\t      funcTag = '[object Function]',\n\t      genTag = '[object GeneratorFunction]',\n\t      mapTag = '[object Map]',\n\t      numberTag = '[object Number]',\n\t      nullTag = '[object Null]',\n\t      objectTag = '[object Object]',\n\t      promiseTag = '[object Promise]',\n\t      proxyTag = '[object Proxy]',\n\t      regexpTag = '[object RegExp]',\n\t      setTag = '[object Set]',\n\t      stringTag = '[object String]',\n\t      symbolTag = '[object Symbol]',\n\t      undefinedTag = '[object Undefined]',\n\t      weakMapTag = '[object WeakMap]',\n\t      weakSetTag = '[object WeakSet]';\n\t\n\t  var arrayBufferTag = '[object ArrayBuffer]',\n\t      dataViewTag = '[object DataView]',\n\t      float32Tag = '[object Float32Array]',\n\t      float64Tag = '[object Float64Array]',\n\t      int8Tag = '[object Int8Array]',\n\t      int16Tag = '[object Int16Array]',\n\t      int32Tag = '[object Int32Array]',\n\t      uint8Tag = '[object Uint8Array]',\n\t      uint8ClampedTag = '[object Uint8ClampedArray]',\n\t      uint16Tag = '[object Uint16Array]',\n\t      uint32Tag = '[object Uint32Array]';\n\t\n\t  /** Used to match empty string literals in compiled template source. */\n\t  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n\t      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n\t      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\t\n\t  /** Used to match HTML entities and HTML characters. */\n\t  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n\t      reUnescapedHtml = /[&<>\"']/g,\n\t      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n\t      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\t\n\t  /** Used to match template delimiters. */\n\t  var reEscape = /<%-([\\s\\S]+?)%>/g,\n\t      reEvaluate = /<%([\\s\\S]+?)%>/g,\n\t      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\t\n\t  /** Used to match property names within property paths. */\n\t  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n\t      reIsPlainProp = /^\\w*$/,\n\t      reLeadingDot = /^\\./,\n\t      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\t\n\t  /**\n\t   * Used to match `RegExp`\n\t   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n\t   */\n\t  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n\t      reHasRegExpChar = RegExp(reRegExpChar.source);\n\t\n\t  /** Used to match leading and trailing whitespace. */\n\t  var reTrim = /^\\s+|\\s+$/g,\n\t      reTrimStart = /^\\s+/,\n\t      reTrimEnd = /\\s+$/;\n\t\n\t  /** Used to match wrap detail comments. */\n\t  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n\t      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n\t      reSplitDetails = /,? & /;\n\t\n\t  /** Used to match words composed of alphanumeric characters. */\n\t  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\t\n\t  /** Used to match backslashes in property paths. */\n\t  var reEscapeChar = /\\\\(\\\\)?/g;\n\t\n\t  /**\n\t   * Used to match\n\t   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n\t   */\n\t  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\t\n\t  /** Used to match `RegExp` flags from their coerced string values. */\n\t  var reFlags = /\\w*$/;\n\t\n\t  /** Used to detect bad signed hexadecimal string values. */\n\t  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\t\n\t  /** Used to detect binary string values. */\n\t  var reIsBinary = /^0b[01]+$/i;\n\t\n\t  /** Used to detect host constructors (Safari). */\n\t  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\t\n\t  /** Used to detect octal string values. */\n\t  var reIsOctal = /^0o[0-7]+$/i;\n\t\n\t  /** Used to detect unsigned integer values. */\n\t  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\t\n\t  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n\t  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\t\n\t  /** Used to ensure capturing order of template delimiters. */\n\t  var reNoMatch = /($^)/;\n\t\n\t  /** Used to match unescaped characters in compiled string literals. */\n\t  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\t\n\t  /** Used to compose unicode character classes. */\n\t  var rsAstralRange = '\\\\ud800-\\\\udfff',\n\t      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n\t      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n\t      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n\t      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n\t      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n\t      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n\t      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n\t      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n\t      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n\t      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n\t      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n\t      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n\t      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\t\n\t  /** Used to compose unicode capture groups. */\n\t  var rsApos = \"['\\u2019]\",\n\t      rsAstral = '[' + rsAstralRange + ']',\n\t      rsBreak = '[' + rsBreakRange + ']',\n\t      rsCombo = '[' + rsComboRange + ']',\n\t      rsDigits = '\\\\d+',\n\t      rsDingbat = '[' + rsDingbatRange + ']',\n\t      rsLower = '[' + rsLowerRange + ']',\n\t      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n\t      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n\t      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n\t      rsNonAstral = '[^' + rsAstralRange + ']',\n\t      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n\t      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n\t      rsUpper = '[' + rsUpperRange + ']',\n\t      rsZWJ = '\\\\u200d';\n\t\n\t  /** Used to compose unicode regexes. */\n\t  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n\t      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n\t      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n\t      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n\t      reOptMod = rsModifier + '?',\n\t      rsOptVar = '[' + rsVarRange + ']?',\n\t      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n\t      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n\t      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n\t      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n\t      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n\t      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\t\n\t  /** Used to match apostrophes. */\n\t  var reApos = RegExp(rsApos, 'g');\n\t\n\t  /**\n\t   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n\t   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n\t   */\n\t  var reComboMark = RegExp(rsCombo, 'g');\n\t\n\t  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n\t  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\t\n\t  /** Used to match complex or compound words. */\n\t  var reUnicodeWord = RegExp([\n\t    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n\t    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n\t    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n\t    rsUpper + '+' + rsOptContrUpper,\n\t    rsOrdUpper,\n\t    rsOrdLower,\n\t    rsDigits,\n\t    rsEmoji\n\t  ].join('|'), 'g');\n\t\n\t  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n\t  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\t\n\t  /** Used to detect strings that need a more robust regexp to match words. */\n\t  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\t\n\t  /** Used to assign default `context` object properties. */\n\t  var contextProps = [\n\t    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n\t    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n\t    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n\t    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n\t    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n\t  ];\n\t\n\t  /** Used to make template sourceURLs easier to identify. */\n\t  var templateCounter = -1;\n\t\n\t  /** Used to identify `toStringTag` values of typed arrays. */\n\t  var typedArrayTags = {};\n\t  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n\t  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n\t  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n\t  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n\t  typedArrayTags[uint32Tag] = true;\n\t  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n\t  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n\t  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n\t  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n\t  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n\t  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n\t  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n\t  typedArrayTags[weakMapTag] = false;\n\t\n\t  /** Used to identify `toStringTag` values supported by `_.clone`. */\n\t  var cloneableTags = {};\n\t  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n\t  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n\t  cloneableTags[boolTag] = cloneableTags[dateTag] =\n\t  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n\t  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n\t  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n\t  cloneableTags[numberTag] = cloneableTags[objectTag] =\n\t  cloneableTags[regexpTag] = cloneableTags[setTag] =\n\t  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n\t  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n\t  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n\t  cloneableTags[errorTag] = cloneableTags[funcTag] =\n\t  cloneableTags[weakMapTag] = false;\n\t\n\t  /** Used to map Latin Unicode letters to basic Latin letters. */\n\t  var deburredLetters = {\n\t    // Latin-1 Supplement block.\n\t    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n\t    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n\t    '\\xc7': 'C',  '\\xe7': 'c',\n\t    '\\xd0': 'D',  '\\xf0': 'd',\n\t    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n\t    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n\t    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n\t    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n\t    '\\xd1': 'N',  '\\xf1': 'n',\n\t    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n\t    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n\t    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n\t    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n\t    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n\t    '\\xc6': 'Ae', '\\xe6': 'ae',\n\t    '\\xde': 'Th', '\\xfe': 'th',\n\t    '\\xdf': 'ss',\n\t    // Latin Extended-A block.\n\t    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n\t    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n\t    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n\t    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n\t    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n\t    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n\t    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n\t    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n\t    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n\t    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n\t    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n\t    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n\t    '\\u0134': 'J',  '\\u0135': 'j',\n\t    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n\t    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n\t    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n\t    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n\t    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n\t    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n\t    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n\t    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n\t    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n\t    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n\t    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n\t    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n\t    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n\t    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n\t    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n\t    '\\u0174': 'W',  '\\u0175': 'w',\n\t    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n\t    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n\t    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n\t    '\\u0132': 'IJ', '\\u0133': 'ij',\n\t    '\\u0152': 'Oe', '\\u0153': 'oe',\n\t    '\\u0149': \"'n\", '\\u017f': 's'\n\t  };\n\t\n\t  /** Used to map characters to HTML entities. */\n\t  var htmlEscapes = {\n\t    '&': '&amp;',\n\t    '<': '&lt;',\n\t    '>': '&gt;',\n\t    '\"': '&quot;',\n\t    \"'\": '&#39;'\n\t  };\n\t\n\t  /** Used to map HTML entities to characters. */\n\t  var htmlUnescapes = {\n\t    '&amp;': '&',\n\t    '&lt;': '<',\n\t    '&gt;': '>',\n\t    '&quot;': '\"',\n\t    '&#39;': \"'\"\n\t  };\n\t\n\t  /** Used to escape characters for inclusion in compiled string literals. */\n\t  var stringEscapes = {\n\t    '\\\\': '\\\\',\n\t    \"'\": \"'\",\n\t    '\\n': 'n',\n\t    '\\r': 'r',\n\t    '\\u2028': 'u2028',\n\t    '\\u2029': 'u2029'\n\t  };\n\t\n\t  /** Built-in method references without a dependency on `root`. */\n\t  var freeParseFloat = parseFloat,\n\t      freeParseInt = parseInt;\n\t\n\t  /** Detect free variable `global` from Node.js. */\n\t  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\t\n\t  /** Detect free variable `self`. */\n\t  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\t\n\t  /** Used as a reference to the global object. */\n\t  var root = freeGlobal || freeSelf || Function('return this')();\n\t\n\t  /** Detect free variable `exports`. */\n\t  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\t\n\t  /** Detect free variable `module`. */\n\t  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\t\n\t  /** Detect the popular CommonJS extension `module.exports`. */\n\t  var moduleExports = freeModule && freeModule.exports === freeExports;\n\t\n\t  /** Detect free variable `process` from Node.js. */\n\t  var freeProcess = moduleExports && freeGlobal.process;\n\t\n\t  /** Used to access faster Node.js helpers. */\n\t  var nodeUtil = (function() {\n\t    try {\n\t      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n\t    } catch (e) {}\n\t  }());\n\t\n\t  /* Node.js helper references. */\n\t  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n\t      nodeIsDate = nodeUtil && nodeUtil.isDate,\n\t      nodeIsMap = nodeUtil && nodeUtil.isMap,\n\t      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n\t      nodeIsSet = nodeUtil && nodeUtil.isSet,\n\t      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  /**\n\t   * Adds the key-value `pair` to `map`.\n\t   *\n\t   * @private\n\t   * @param {Object} map The map to modify.\n\t   * @param {Array} pair The key-value pair to add.\n\t   * @returns {Object} Returns `map`.\n\t   */\n\t  function addMapEntry(map, pair) {\n\t    // Don't return `map.set` because it's not chainable in IE 11.\n\t    map.set(pair[0], pair[1]);\n\t    return map;\n\t  }\n\t\n\t  /**\n\t   * Adds `value` to `set`.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to modify.\n\t   * @param {*} value The value to add.\n\t   * @returns {Object} Returns `set`.\n\t   */\n\t  function addSetEntry(set, value) {\n\t    // Don't return `set.add` because it's not chainable in IE 11.\n\t    set.add(value);\n\t    return set;\n\t  }\n\t\n\t  /**\n\t   * A faster alternative to `Function#apply`, this function invokes `func`\n\t   * with the `this` binding of `thisArg` and the arguments of `args`.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to invoke.\n\t   * @param {*} thisArg The `this` binding of `func`.\n\t   * @param {Array} args The arguments to invoke `func` with.\n\t   * @returns {*} Returns the result of `func`.\n\t   */\n\t  function apply(func, thisArg, args) {\n\t    switch (args.length) {\n\t      case 0: return func.call(thisArg);\n\t      case 1: return func.call(thisArg, args[0]);\n\t      case 2: return func.call(thisArg, args[0], args[1]);\n\t      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n\t    }\n\t    return func.apply(thisArg, args);\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `baseAggregator` for arrays.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} setter The function to set `accumulator` values.\n\t   * @param {Function} iteratee The iteratee to transform keys.\n\t   * @param {Object} accumulator The initial aggregated object.\n\t   * @returns {Function} Returns `accumulator`.\n\t   */\n\t  function arrayAggregator(array, setter, iteratee, accumulator) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      setter(accumulator, value, iteratee(value), array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.forEach` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayEach(array, iteratee) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (iteratee(array[index], index, array) === false) {\n\t        break;\n\t      }\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.forEachRight` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayEachRight(array, iteratee) {\n\t    var length = array == null ? 0 : array.length;\n\t\n\t    while (length--) {\n\t      if (iteratee(array[length], length, array) === false) {\n\t        break;\n\t      }\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.every` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t   *  else `false`.\n\t   */\n\t  function arrayEvery(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (!predicate(array[index], index, array)) {\n\t        return false;\n\t      }\n\t    }\n\t    return true;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.filter` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {Array} Returns the new filtered array.\n\t   */\n\t  function arrayFilter(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length,\n\t        resIndex = 0,\n\t        result = [];\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      if (predicate(value, index, array)) {\n\t        result[resIndex++] = value;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.includes` for arrays without support for\n\t   * specifying an index to search from.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to inspect.\n\t   * @param {*} target The value to search for.\n\t   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n\t   */\n\t  function arrayIncludes(array, value) {\n\t    var length = array == null ? 0 : array.length;\n\t    return !!length && baseIndexOf(array, value, 0) > -1;\n\t  }\n\t\n\t  /**\n\t   * This function is like `arrayIncludes` except that it accepts a comparator.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to inspect.\n\t   * @param {*} target The value to search for.\n\t   * @param {Function} comparator The comparator invoked per element.\n\t   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n\t   */\n\t  function arrayIncludesWith(array, value, comparator) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (comparator(value, array[index])) {\n\t        return true;\n\t      }\n\t    }\n\t    return false;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.map` for arrays without support for iteratee\n\t   * shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns the new mapped array.\n\t   */\n\t  function arrayMap(array, iteratee) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length,\n\t        result = Array(length);\n\t\n\t    while (++index < length) {\n\t      result[index] = iteratee(array[index], index, array);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Appends the elements of `values` to `array`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to modify.\n\t   * @param {Array} values The values to append.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayPush(array, values) {\n\t    var index = -1,\n\t        length = values.length,\n\t        offset = array.length;\n\t\n\t    while (++index < length) {\n\t      array[offset + index] = values[index];\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.reduce` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} [accumulator] The initial value.\n\t   * @param {boolean} [initAccum] Specify using the first element of `array` as\n\t   *  the initial value.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function arrayReduce(array, iteratee, accumulator, initAccum) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    if (initAccum && length) {\n\t      accumulator = array[++index];\n\t    }\n\t    while (++index < length) {\n\t      accumulator = iteratee(accumulator, array[index], index, array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.reduceRight` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} [accumulator] The initial value.\n\t   * @param {boolean} [initAccum] Specify using the last element of `array` as\n\t   *  the initial value.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n\t    var length = array == null ? 0 : array.length;\n\t    if (initAccum && length) {\n\t      accumulator = array[--length];\n\t    }\n\t    while (length--) {\n\t      accumulator = iteratee(accumulator, array[length], length, array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.some` for arrays without support for iteratee\n\t   * shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t   *  else `false`.\n\t   */\n\t  function arraySome(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (predicate(array[index], index, array)) {\n\t        return true;\n\t      }\n\t    }\n\t    return false;\n\t  }\n\t\n\t  /**\n\t   * Gets the size of an ASCII `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  var asciiSize = baseProperty('length');\n\t\n\t  /**\n\t   * Converts an ASCII `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function asciiToArray(string) {\n\t    return string.split('');\n\t  }\n\t\n\t  /**\n\t   * Splits an ASCII `string` into an array of its words.\n\t   *\n\t   * @private\n\t   * @param {string} The string to inspect.\n\t   * @returns {Array} Returns the words of `string`.\n\t   */\n\t  function asciiWords(string) {\n\t    return string.match(reAsciiWord) || [];\n\t  }\n\t\n\t  /**\n\t   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n\t   * without support for iteratee shorthands, which iterates over `collection`\n\t   * using `eachFunc`.\n\t   *\n\t   * @private\n\t   * @param {Array|Object} collection The collection to inspect.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @param {Function} eachFunc The function to iterate over `collection`.\n\t   * @returns {*} Returns the found element or its key, else `undefined`.\n\t   */\n\t  function baseFindKey(collection, predicate, eachFunc) {\n\t    var result;\n\t    eachFunc(collection, function(value, key, collection) {\n\t      if (predicate(value, key, collection)) {\n\t        result = key;\n\t        return false;\n\t      }\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n\t   * support for iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @param {boolean} [fromRight] Specify iterating from right to left.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n\t    var length = array.length,\n\t        index = fromIndex + (fromRight ? 1 : -1);\n\t\n\t    while ((fromRight ? index-- : ++index < length)) {\n\t      if (predicate(array[index], index, array)) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseIndexOf(array, value, fromIndex) {\n\t    return value === value\n\t      ? strictIndexOf(array, value, fromIndex)\n\t      : baseFindIndex(array, baseIsNaN, fromIndex);\n\t  }\n\t\n\t  /**\n\t   * This function is like `baseIndexOf` except that it accepts a comparator.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @param {Function} comparator The comparator invoked per element.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseIndexOfWith(array, value, fromIndex, comparator) {\n\t    var index = fromIndex - 1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      if (comparator(array[index], value)) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.isNaN` without support for number objects.\n\t   *\n\t   * @private\n\t   * @param {*} value The value to check.\n\t   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t   */\n\t  function baseIsNaN(value) {\n\t    return value !== value;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.mean` and `_.meanBy` without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {number} Returns the mean.\n\t   */\n\t  function baseMean(array, iteratee) {\n\t    var length = array == null ? 0 : array.length;\n\t    return length ? (baseSum(array, iteratee) / length) : NAN;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.property` without support for deep paths.\n\t   *\n\t   * @private\n\t   * @param {string} key The key of the property to get.\n\t   * @returns {Function} Returns the new accessor function.\n\t   */\n\t  function baseProperty(key) {\n\t    return function(object) {\n\t      return object == null ? undefined : object[key];\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.propertyOf` without support for deep paths.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @returns {Function} Returns the new accessor function.\n\t   */\n\t  function basePropertyOf(object) {\n\t    return function(key) {\n\t      return object == null ? undefined : object[key];\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n\t   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n\t   *\n\t   * @private\n\t   * @param {Array|Object} collection The collection to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} accumulator The initial value.\n\t   * @param {boolean} initAccum Specify using the first or last element of\n\t   *  `collection` as the initial value.\n\t   * @param {Function} eachFunc The function to iterate over `collection`.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n\t    eachFunc(collection, function(value, index, collection) {\n\t      accumulator = initAccum\n\t        ? (initAccum = false, value)\n\t        : iteratee(accumulator, value, index, collection);\n\t    });\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.sortBy` which uses `comparer` to define the\n\t   * sort order of `array` and replaces criteria objects with their corresponding\n\t   * values.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to sort.\n\t   * @param {Function} comparer The function to define sort order.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function baseSortBy(array, comparer) {\n\t    var length = array.length;\n\t\n\t    array.sort(comparer);\n\t    while (length--) {\n\t      array[length] = array[length].value;\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.sum` and `_.sumBy` without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {number} Returns the sum.\n\t   */\n\t  function baseSum(array, iteratee) {\n\t    var result,\n\t        index = -1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      var current = iteratee(array[index]);\n\t      if (current !== undefined) {\n\t        result = result === undefined ? current : (result + current);\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.times` without support for iteratee shorthands\n\t   * or max array length checks.\n\t   *\n\t   * @private\n\t   * @param {number} n The number of times to invoke `iteratee`.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns the array of results.\n\t   */\n\t  function baseTimes(n, iteratee) {\n\t    var index = -1,\n\t        result = Array(n);\n\t\n\t    while (++index < n) {\n\t      result[index] = iteratee(index);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n\t   * of key-value pairs for `object` corresponding to the property names of `props`.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @param {Array} props The property names to get values for.\n\t   * @returns {Object} Returns the key-value pairs.\n\t   */\n\t  function baseToPairs(object, props) {\n\t    return arrayMap(props, function(key) {\n\t      return [key, object[key]];\n\t    });\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.unary` without support for storing metadata.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to cap arguments for.\n\t   * @returns {Function} Returns the new capped function.\n\t   */\n\t  function baseUnary(func) {\n\t    return function(value) {\n\t      return func(value);\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.values` and `_.valuesIn` which creates an\n\t   * array of `object` property values corresponding to the property names\n\t   * of `props`.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @param {Array} props The property names to get values for.\n\t   * @returns {Object} Returns the array of property values.\n\t   */\n\t  function baseValues(object, props) {\n\t    return arrayMap(props, function(key) {\n\t      return object[key];\n\t    });\n\t  }\n\t\n\t  /**\n\t   * Checks if a `cache` value for `key` exists.\n\t   *\n\t   * @private\n\t   * @param {Object} cache The cache to query.\n\t   * @param {string} key The key of the entry to check.\n\t   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t   */\n\t  function cacheHas(cache, key) {\n\t    return cache.has(key);\n\t  }\n\t\n\t  /**\n\t   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n\t   * that is not found in the character symbols.\n\t   *\n\t   * @private\n\t   * @param {Array} strSymbols The string symbols to inspect.\n\t   * @param {Array} chrSymbols The character symbols to find.\n\t   * @returns {number} Returns the index of the first unmatched string symbol.\n\t   */\n\t  function charsStartIndex(strSymbols, chrSymbols) {\n\t    var index = -1,\n\t        length = strSymbols.length;\n\t\n\t    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n\t   * that is not found in the character symbols.\n\t   *\n\t   * @private\n\t   * @param {Array} strSymbols The string symbols to inspect.\n\t   * @param {Array} chrSymbols The character symbols to find.\n\t   * @returns {number} Returns the index of the last unmatched string symbol.\n\t   */\n\t  function charsEndIndex(strSymbols, chrSymbols) {\n\t    var index = strSymbols.length;\n\t\n\t    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Gets the number of `placeholder` occurrences in `array`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} placeholder The placeholder to search for.\n\t   * @returns {number} Returns the placeholder count.\n\t   */\n\t  function countHolders(array, placeholder) {\n\t    var length = array.length,\n\t        result = 0;\n\t\n\t    while (length--) {\n\t      if (array[length] === placeholder) {\n\t        ++result;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n\t   * letters to basic Latin letters.\n\t   *\n\t   * @private\n\t   * @param {string} letter The matched letter to deburr.\n\t   * @returns {string} Returns the deburred letter.\n\t   */\n\t  var deburrLetter = basePropertyOf(deburredLetters);\n\t\n\t  /**\n\t   * Used by `_.escape` to convert characters to HTML entities.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to escape.\n\t   * @returns {string} Returns the escaped character.\n\t   */\n\t  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\t\n\t  /**\n\t   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to escape.\n\t   * @returns {string} Returns the escaped character.\n\t   */\n\t  function escapeStringChar(chr) {\n\t    return '\\\\' + stringEscapes[chr];\n\t  }\n\t\n\t  /**\n\t   * Gets the value at `key` of `object`.\n\t   *\n\t   * @private\n\t   * @param {Object} [object] The object to query.\n\t   * @param {string} key The key of the property to get.\n\t   * @returns {*} Returns the property value.\n\t   */\n\t  function getValue(object, key) {\n\t    return object == null ? undefined : object[key];\n\t  }\n\t\n\t  /**\n\t   * Checks if `string` contains Unicode symbols.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n\t   */\n\t  function hasUnicode(string) {\n\t    return reHasUnicode.test(string);\n\t  }\n\t\n\t  /**\n\t   * Checks if `string` contains a word composed of Unicode symbols.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {boolean} Returns `true` if a word is found, else `false`.\n\t   */\n\t  function hasUnicodeWord(string) {\n\t    return reHasUnicodeWord.test(string);\n\t  }\n\t\n\t  /**\n\t   * Converts `iterator` to an array.\n\t   *\n\t   * @private\n\t   * @param {Object} iterator The iterator to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function iteratorToArray(iterator) {\n\t    var data,\n\t        result = [];\n\t\n\t    while (!(data = iterator.next()).done) {\n\t      result.push(data.value);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `map` to its key-value pairs.\n\t   *\n\t   * @private\n\t   * @param {Object} map The map to convert.\n\t   * @returns {Array} Returns the key-value pairs.\n\t   */\n\t  function mapToArray(map) {\n\t    var index = -1,\n\t        result = Array(map.size);\n\t\n\t    map.forEach(function(value, key) {\n\t      result[++index] = [key, value];\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Creates a unary function that invokes `func` with its argument transformed.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to wrap.\n\t   * @param {Function} transform The argument transform.\n\t   * @returns {Function} Returns the new function.\n\t   */\n\t  function overArg(func, transform) {\n\t    return function(arg) {\n\t      return func(transform(arg));\n\t    };\n\t  }\n\t\n\t  /**\n\t   * Replaces all `placeholder` elements in `array` with an internal placeholder\n\t   * and returns an array of their indexes.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to modify.\n\t   * @param {*} placeholder The placeholder to replace.\n\t   * @returns {Array} Returns the new array of placeholder indexes.\n\t   */\n\t  function replaceHolders(array, placeholder) {\n\t    var index = -1,\n\t        length = array.length,\n\t        resIndex = 0,\n\t        result = [];\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      if (value === placeholder || value === PLACEHOLDER) {\n\t        array[index] = PLACEHOLDER;\n\t        result[resIndex++] = index;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `set` to an array of its values.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to convert.\n\t   * @returns {Array} Returns the values.\n\t   */\n\t  function setToArray(set) {\n\t    var index = -1,\n\t        result = Array(set.size);\n\t\n\t    set.forEach(function(value) {\n\t      result[++index] = value;\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `set` to its value-value pairs.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to convert.\n\t   * @returns {Array} Returns the value-value pairs.\n\t   */\n\t  function setToPairs(set) {\n\t    var index = -1,\n\t        result = Array(set.size);\n\t\n\t    set.forEach(function(value) {\n\t      result[++index] = [value, value];\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.indexOf` which performs strict equality\n\t   * comparisons of values, i.e. `===`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function strictIndexOf(array, value, fromIndex) {\n\t    var index = fromIndex - 1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      if (array[index] === value) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.lastIndexOf` which performs strict equality\n\t   * comparisons of values, i.e. `===`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function strictLastIndexOf(array, value, fromIndex) {\n\t    var index = fromIndex + 1;\n\t    while (index--) {\n\t      if (array[index] === value) {\n\t        return index;\n\t      }\n\t    }\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Gets the number of symbols in `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  function stringSize(string) {\n\t    return hasUnicode(string)\n\t      ? unicodeSize(string)\n\t      : asciiSize(string);\n\t  }\n\t\n\t  /**\n\t   * Converts `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function stringToArray(string) {\n\t    return hasUnicode(string)\n\t      ? unicodeToArray(string)\n\t      : asciiToArray(string);\n\t  }\n\t\n\t  /**\n\t   * Used by `_.unescape` to convert HTML entities to characters.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to unescape.\n\t   * @returns {string} Returns the unescaped character.\n\t   */\n\t  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\t\n\t  /**\n\t   * Gets the size of a Unicode `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  function unicodeSize(string) {\n\t    var result = reUnicode.lastIndex = 0;\n\t    while (reUnicode.test(string)) {\n\t      ++result;\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts a Unicode `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function unicodeToArray(string) {\n\t    return string.match(reUnicode) || [];\n\t  }\n\t\n\t  /**\n\t   * Splits a Unicode `string` into an array of its words.\n\t   *\n\t   * @private\n\t   * @param {string} The string to inspect.\n\t   * @returns {Array} Returns the words of `string`.\n\t   */\n\t  function unicodeWords(string) {\n\t    return string.match(reUnicodeWord) || [];\n\t  }\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  /**\n\t   * Create a new pristine `lodash` function using the `context` object.\n\t   *\n\t   * @static\n\t   * @memberOf _\n\t   * @since 1.1.0\n\t   * @category Util\n\t   * @param {Object} [context=root] The context object.\n\t   * @returns {Function} Returns a new `lodash` function.\n\t   * @example\n\t   *\n\t   * _.mixin({ 'foo': _.constant('foo') });\n\t   *\n\t   * var lodash = _.runInContext();\n\t   * lodash.mixin({ 'bar': lodash.constant('bar') });\n\t   *\n\t   * _.isFunction(_.foo);\n\t   * // => true\n\t   * _.isFunction(_.bar);\n\t   * // => false\n\t   *\n\t   * lodash.isFunction(lodash.foo);\n\t   * // => false\n\t   * lodash.isFunction(lodash.bar);\n\t   * // => true\n\t   *\n\t   * // Create a suped-up `defer` in Node.js.\n\t   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n\t   */\n\t  var runInContext = (function runInContext(context) {\n\t    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\t\n\t    /** Built-in constructor references. */\n\t    var Array = context.Array,\n\t        Date = context.Date,\n\t        Error = context.Error,\n\t        Function = context.Function,\n\t        Math = context.Math,\n\t        Object = context.Object,\n\t        RegExp = context.RegExp,\n\t        String = context.String,\n\t        TypeError = context.TypeError;\n\t\n\t    /** Used for built-in method references. */\n\t    var arrayProto = Array.prototype,\n\t        funcProto = Function.prototype,\n\t        objectProto = Object.prototype;\n\t\n\t    /** Used to detect overreaching core-js shims. */\n\t    var coreJsData = context['__core-js_shared__'];\n\t\n\t    /** Used to resolve the decompiled source of functions. */\n\t    var funcToString = funcProto.toString;\n\t\n\t    /** Used to check objects for own properties. */\n\t    var hasOwnProperty = objectProto.hasOwnProperty;\n\t\n\t    /** Used to generate unique IDs. */\n\t    var idCounter = 0;\n\t\n\t    /** Used to detect methods masquerading as native. */\n\t    var maskSrcKey = (function() {\n\t      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n\t      return uid ? ('Symbol(src)_1.' + uid) : '';\n\t    }());\n\t\n\t    /**\n\t     * Used to resolve the\n\t     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n\t     * of values.\n\t     */\n\t    var nativeObjectToString = objectProto.toString;\n\t\n\t    /** Used to infer the `Object` constructor. */\n\t    var objectCtorString = funcToString.call(Object);\n\t\n\t    /** Used to restore the original `_` reference in `_.noConflict`. */\n\t    var oldDash = root._;\n\t\n\t    /** Used to detect if a method is native. */\n\t    var reIsNative = RegExp('^' +\n\t      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n\t      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n\t    );\n\t\n\t    /** Built-in value references. */\n\t    var Buffer = moduleExports ? context.Buffer : undefined,\n\t        Symbol = context.Symbol,\n\t        Uint8Array = context.Uint8Array,\n\t        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n\t        getPrototype = overArg(Object.getPrototypeOf, Object),\n\t        objectCreate = Object.create,\n\t        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n\t        splice = arrayProto.splice,\n\t        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n\t        symIterator = Symbol ? Symbol.iterator : undefined,\n\t        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\t\n\t    var defineProperty = (function() {\n\t      try {\n\t        var func = getNative(Object, 'defineProperty');\n\t        func({}, '', {});\n\t        return func;\n\t      } catch (e) {}\n\t    }());\n\t\n\t    /** Mocked built-ins. */\n\t    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n\t        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n\t        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\t\n\t    /* Built-in method references for those with the same name as other `lodash` methods. */\n\t    var nativeCeil = Math.ceil,\n\t        nativeFloor = Math.floor,\n\t        nativeGetSymbols = Object.getOwnPropertySymbols,\n\t        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n\t        nativeIsFinite = context.isFinite,\n\t        nativeJoin = arrayProto.join,\n\t        nativeKeys = overArg(Object.keys, Object),\n\t        nativeMax = Math.max,\n\t        nativeMin = Math.min,\n\t        nativeNow = Date.now,\n\t        nativeParseInt = context.parseInt,\n\t        nativeRandom = Math.random,\n\t        nativeReverse = arrayProto.reverse;\n\t\n\t    /* Built-in method references that are verified to be native. */\n\t    var DataView = getNative(context, 'DataView'),\n\t        Map = getNative(context, 'Map'),\n\t        Promise = getNative(context, 'Promise'),\n\t        Set = getNative(context, 'Set'),\n\t        WeakMap = getNative(context, 'WeakMap'),\n\t        nativeCreate = getNative(Object, 'create');\n\t\n\t    /** Used to store function metadata. */\n\t    var metaMap = WeakMap && new WeakMap;\n\t\n\t    /** Used to lookup unminified function names. */\n\t    var realNames = {};\n\t\n\t    /** Used to detect maps, sets, and weakmaps. */\n\t    var dataViewCtorString = toSource(DataView),\n\t        mapCtorString = toSource(Map),\n\t        promiseCtorString = toSource(Promise),\n\t        setCtorString = toSource(Set),\n\t        weakMapCtorString = toSource(WeakMap);\n\t\n\t    /** Used to convert symbols to primitives and strings. */\n\t    var symbolProto = Symbol ? Symbol.prototype : undefined,\n\t        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n\t        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a `lodash` object which wraps `value` to enable implicit method\n\t     * chain sequences. Methods that operate on and return arrays, collections,\n\t     * and functions can be chained together. Methods that retrieve a single value\n\t     * or may return a primitive value will automatically end the chain sequence\n\t     * and return the unwrapped value. Otherwise, the value must be unwrapped\n\t     * with `_#value`.\n\t     *\n\t     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n\t     * enabled using `_.chain`.\n\t     *\n\t     * The execution of chained methods is lazy, that is, it's deferred until\n\t     * `_#value` is implicitly or explicitly called.\n\t     *\n\t     * Lazy evaluation allows several methods to support shortcut fusion.\n\t     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n\t     * the creation of intermediate arrays and can greatly reduce the number of\n\t     * iteratee executions. Sections of a chain sequence qualify for shortcut\n\t     * fusion if the section is applied to an array and iteratees accept only\n\t     * one argument. The heuristic for whether a section qualifies for shortcut\n\t     * fusion is subject to change.\n\t     *\n\t     * Chaining is supported in custom builds as long as the `_#value` method is\n\t     * directly or indirectly included in the build.\n\t     *\n\t     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n\t     *\n\t     * The wrapper `Array` methods are:\n\t     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n\t     *\n\t     * The wrapper `String` methods are:\n\t     * `replace` and `split`\n\t     *\n\t     * The wrapper methods that support shortcut fusion are:\n\t     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n\t     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n\t     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n\t     *\n\t     * The chainable wrapper methods are:\n\t     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n\t     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n\t     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n\t     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n\t     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n\t     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n\t     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n\t     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n\t     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n\t     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n\t     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n\t     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n\t     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n\t     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n\t     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n\t     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n\t     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n\t     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n\t     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n\t     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n\t     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n\t     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n\t     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n\t     * `zipObject`, `zipObjectDeep`, and `zipWith`\n\t     *\n\t     * The wrapper methods that are **not** chainable by default are:\n\t     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n\t     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n\t     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n\t     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n\t     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n\t     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n\t     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n\t     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n\t     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n\t     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n\t     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n\t     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n\t     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n\t     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n\t     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n\t     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n\t     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n\t     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n\t     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n\t     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n\t     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n\t     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n\t     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n\t     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n\t     * `upperFirst`, `value`, and `words`\n\t     *\n\t     * @name _\n\t     * @constructor\n\t     * @category Seq\n\t     * @param {*} value The value to wrap in a `lodash` instance.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var wrapped = _([1, 2, 3]);\n\t     *\n\t     * // Returns an unwrapped value.\n\t     * wrapped.reduce(_.add);\n\t     * // => 6\n\t     *\n\t     * // Returns a wrapped value.\n\t     * var squares = wrapped.map(square);\n\t     *\n\t     * _.isArray(squares);\n\t     * // => false\n\t     *\n\t     * _.isArray(squares.value());\n\t     * // => true\n\t     */\n\t    function lodash(value) {\n\t      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n\t        if (value instanceof LodashWrapper) {\n\t          return value;\n\t        }\n\t        if (hasOwnProperty.call(value, '__wrapped__')) {\n\t          return wrapperClone(value);\n\t        }\n\t      }\n\t      return new LodashWrapper(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.create` without support for assigning\n\t     * properties to the created object.\n\t     *\n\t     * @private\n\t     * @param {Object} proto The object to inherit from.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    var baseCreate = (function() {\n\t      function object() {}\n\t      return function(proto) {\n\t        if (!isObject(proto)) {\n\t          return {};\n\t        }\n\t        if (objectCreate) {\n\t          return objectCreate(proto);\n\t        }\n\t        object.prototype = proto;\n\t        var result = new object;\n\t        object.prototype = undefined;\n\t        return result;\n\t      };\n\t    }());\n\t\n\t    /**\n\t     * The function whose prototype chain sequence wrappers inherit from.\n\t     *\n\t     * @private\n\t     */\n\t    function baseLodash() {\n\t      // No operation performed.\n\t    }\n\t\n\t    /**\n\t     * The base constructor for creating `lodash` wrapper objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to wrap.\n\t     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n\t     */\n\t    function LodashWrapper(value, chainAll) {\n\t      this.__wrapped__ = value;\n\t      this.__actions__ = [];\n\t      this.__chain__ = !!chainAll;\n\t      this.__index__ = 0;\n\t      this.__values__ = undefined;\n\t    }\n\t\n\t    /**\n\t     * By default, the template delimiters used by lodash are like those in\n\t     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n\t     * following template settings to use alternative delimiters.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @type {Object}\n\t     */\n\t    lodash.templateSettings = {\n\t\n\t      /**\n\t       * Used to detect `data` property values to be HTML-escaped.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'escape': reEscape,\n\t\n\t      /**\n\t       * Used to detect code to be evaluated.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'evaluate': reEvaluate,\n\t\n\t      /**\n\t       * Used to detect `data` property values to inject.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'interpolate': reInterpolate,\n\t\n\t      /**\n\t       * Used to reference the data object in the template text.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {string}\n\t       */\n\t      'variable': '',\n\t\n\t      /**\n\t       * Used to import variables into the compiled template.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {Object}\n\t       */\n\t      'imports': {\n\t\n\t        /**\n\t         * A reference to the `lodash` function.\n\t         *\n\t         * @memberOf _.templateSettings.imports\n\t         * @type {Function}\n\t         */\n\t        '_': lodash\n\t      }\n\t    };\n\t\n\t    // Ensure wrappers are instances of `baseLodash`.\n\t    lodash.prototype = baseLodash.prototype;\n\t    lodash.prototype.constructor = lodash;\n\t\n\t    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n\t    LodashWrapper.prototype.constructor = LodashWrapper;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {*} value The value to wrap.\n\t     */\n\t    function LazyWrapper(value) {\n\t      this.__wrapped__ = value;\n\t      this.__actions__ = [];\n\t      this.__dir__ = 1;\n\t      this.__filtered__ = false;\n\t      this.__iteratees__ = [];\n\t      this.__takeCount__ = MAX_ARRAY_LENGTH;\n\t      this.__views__ = [];\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the lazy wrapper object.\n\t     *\n\t     * @private\n\t     * @name clone\n\t     * @memberOf LazyWrapper\n\t     * @returns {Object} Returns the cloned `LazyWrapper` object.\n\t     */\n\t    function lazyClone() {\n\t      var result = new LazyWrapper(this.__wrapped__);\n\t      result.__actions__ = copyArray(this.__actions__);\n\t      result.__dir__ = this.__dir__;\n\t      result.__filtered__ = this.__filtered__;\n\t      result.__iteratees__ = copyArray(this.__iteratees__);\n\t      result.__takeCount__ = this.__takeCount__;\n\t      result.__views__ = copyArray(this.__views__);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Reverses the direction of lazy iteration.\n\t     *\n\t     * @private\n\t     * @name reverse\n\t     * @memberOf LazyWrapper\n\t     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n\t     */\n\t    function lazyReverse() {\n\t      if (this.__filtered__) {\n\t        var result = new LazyWrapper(this);\n\t        result.__dir__ = -1;\n\t        result.__filtered__ = true;\n\t      } else {\n\t        result = this.clone();\n\t        result.__dir__ *= -1;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Extracts the unwrapped value from its lazy wrapper.\n\t     *\n\t     * @private\n\t     * @name value\n\t     * @memberOf LazyWrapper\n\t     * @returns {*} Returns the unwrapped value.\n\t     */\n\t    function lazyValue() {\n\t      var array = this.__wrapped__.value(),\n\t          dir = this.__dir__,\n\t          isArr = isArray(array),\n\t          isRight = dir < 0,\n\t          arrLength = isArr ? array.length : 0,\n\t          view = getView(0, arrLength, this.__views__),\n\t          start = view.start,\n\t          end = view.end,\n\t          length = end - start,\n\t          index = isRight ? end : (start - 1),\n\t          iteratees = this.__iteratees__,\n\t          iterLength = iteratees.length,\n\t          resIndex = 0,\n\t          takeCount = nativeMin(length, this.__takeCount__);\n\t\n\t      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n\t        return baseWrapperValue(array, this.__actions__);\n\t      }\n\t      var result = [];\n\t\n\t      outer:\n\t      while (length-- && resIndex < takeCount) {\n\t        index += dir;\n\t\n\t        var iterIndex = -1,\n\t            value = array[index];\n\t\n\t        while (++iterIndex < iterLength) {\n\t          var data = iteratees[iterIndex],\n\t              iteratee = data.iteratee,\n\t              type = data.type,\n\t              computed = iteratee(value);\n\t\n\t          if (type == LAZY_MAP_FLAG) {\n\t            value = computed;\n\t          } else if (!computed) {\n\t            if (type == LAZY_FILTER_FLAG) {\n\t              continue outer;\n\t            } else {\n\t              break outer;\n\t            }\n\t          }\n\t        }\n\t        result[resIndex++] = value;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n\t    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n\t    LazyWrapper.prototype.constructor = LazyWrapper;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a hash object.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function Hash(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the hash.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf Hash\n\t     */\n\t    function hashClear() {\n\t      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the hash.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf Hash\n\t     * @param {Object} hash The hash to modify.\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function hashDelete(key) {\n\t      var result = this.has(key) && delete this.__data__[key];\n\t      this.size -= result ? 1 : 0;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the hash value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function hashGet(key) {\n\t      var data = this.__data__;\n\t      if (nativeCreate) {\n\t        var result = data[key];\n\t        return result === HASH_UNDEFINED ? undefined : result;\n\t      }\n\t      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n\t    }\n\t\n\t    /**\n\t     * Checks if a hash value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function hashHas(key) {\n\t      var data = this.__data__;\n\t      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n\t    }\n\t\n\t    /**\n\t     * Sets the hash `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the hash instance.\n\t     */\n\t    function hashSet(key, value) {\n\t      var data = this.__data__;\n\t      this.size += this.has(key) ? 0 : 1;\n\t      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `Hash`.\n\t    Hash.prototype.clear = hashClear;\n\t    Hash.prototype['delete'] = hashDelete;\n\t    Hash.prototype.get = hashGet;\n\t    Hash.prototype.has = hashHas;\n\t    Hash.prototype.set = hashSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an list cache object.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function ListCache(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the list cache.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf ListCache\n\t     */\n\t    function listCacheClear() {\n\t      this.__data__ = [];\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the list cache.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function listCacheDelete(key) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      if (index < 0) {\n\t        return false;\n\t      }\n\t      var lastIndex = data.length - 1;\n\t      if (index == lastIndex) {\n\t        data.pop();\n\t      } else {\n\t        splice.call(data, index, 1);\n\t      }\n\t      --this.size;\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Gets the list cache value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function listCacheGet(key) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      return index < 0 ? undefined : data[index][1];\n\t    }\n\t\n\t    /**\n\t     * Checks if a list cache value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function listCacheHas(key) {\n\t      return assocIndexOf(this.__data__, key) > -1;\n\t    }\n\t\n\t    /**\n\t     * Sets the list cache `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the list cache instance.\n\t     */\n\t    function listCacheSet(key, value) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      if (index < 0) {\n\t        ++this.size;\n\t        data.push([key, value]);\n\t      } else {\n\t        data[index][1] = value;\n\t      }\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `ListCache`.\n\t    ListCache.prototype.clear = listCacheClear;\n\t    ListCache.prototype['delete'] = listCacheDelete;\n\t    ListCache.prototype.get = listCacheGet;\n\t    ListCache.prototype.has = listCacheHas;\n\t    ListCache.prototype.set = listCacheSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a map cache object to store key-value pairs.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function MapCache(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the map.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf MapCache\n\t     */\n\t    function mapCacheClear() {\n\t      this.size = 0;\n\t      this.__data__ = {\n\t        'hash': new Hash,\n\t        'map': new (Map || ListCache),\n\t        'string': new Hash\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the map.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function mapCacheDelete(key) {\n\t      var result = getMapData(this, key)['delete'](key);\n\t      this.size -= result ? 1 : 0;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the map value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function mapCacheGet(key) {\n\t      return getMapData(this, key).get(key);\n\t    }\n\t\n\t    /**\n\t     * Checks if a map value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function mapCacheHas(key) {\n\t      return getMapData(this, key).has(key);\n\t    }\n\t\n\t    /**\n\t     * Sets the map `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the map cache instance.\n\t     */\n\t    function mapCacheSet(key, value) {\n\t      var data = getMapData(this, key),\n\t          size = data.size;\n\t\n\t      data.set(key, value);\n\t      this.size += data.size == size ? 0 : 1;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `MapCache`.\n\t    MapCache.prototype.clear = mapCacheClear;\n\t    MapCache.prototype['delete'] = mapCacheDelete;\n\t    MapCache.prototype.get = mapCacheGet;\n\t    MapCache.prototype.has = mapCacheHas;\n\t    MapCache.prototype.set = mapCacheSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     *\n\t     * Creates an array cache object to store unique values.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [values] The values to cache.\n\t     */\n\t    function SetCache(values) {\n\t      var index = -1,\n\t          length = values == null ? 0 : values.length;\n\t\n\t      this.__data__ = new MapCache;\n\t      while (++index < length) {\n\t        this.add(values[index]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Adds `value` to the array cache.\n\t     *\n\t     * @private\n\t     * @name add\n\t     * @memberOf SetCache\n\t     * @alias push\n\t     * @param {*} value The value to cache.\n\t     * @returns {Object} Returns the cache instance.\n\t     */\n\t    function setCacheAdd(value) {\n\t      this.__data__.set(value, HASH_UNDEFINED);\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is in the array cache.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf SetCache\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns `true` if `value` is found, else `false`.\n\t     */\n\t    function setCacheHas(value) {\n\t      return this.__data__.has(value);\n\t    }\n\t\n\t    // Add methods to `SetCache`.\n\t    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n\t    SetCache.prototype.has = setCacheHas;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a stack cache object to store key-value pairs.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function Stack(entries) {\n\t      var data = this.__data__ = new ListCache(entries);\n\t      this.size = data.size;\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the stack.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf Stack\n\t     */\n\t    function stackClear() {\n\t      this.__data__ = new ListCache;\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the stack.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function stackDelete(key) {\n\t      var data = this.__data__,\n\t          result = data['delete'](key);\n\t\n\t      this.size = data.size;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the stack value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function stackGet(key) {\n\t      return this.__data__.get(key);\n\t    }\n\t\n\t    /**\n\t     * Checks if a stack value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function stackHas(key) {\n\t      return this.__data__.has(key);\n\t    }\n\t\n\t    /**\n\t     * Sets the stack `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the stack cache instance.\n\t     */\n\t    function stackSet(key, value) {\n\t      var data = this.__data__;\n\t      if (data instanceof ListCache) {\n\t        var pairs = data.__data__;\n\t        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n\t          pairs.push([key, value]);\n\t          this.size = ++data.size;\n\t          return this;\n\t        }\n\t        data = this.__data__ = new MapCache(pairs);\n\t      }\n\t      data.set(key, value);\n\t      this.size = data.size;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `Stack`.\n\t    Stack.prototype.clear = stackClear;\n\t    Stack.prototype['delete'] = stackDelete;\n\t    Stack.prototype.get = stackGet;\n\t    Stack.prototype.has = stackHas;\n\t    Stack.prototype.set = stackSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an array of the enumerable property names of the array-like `value`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @param {boolean} inherited Specify returning inherited property names.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function arrayLikeKeys(value, inherited) {\n\t      var isArr = isArray(value),\n\t          isArg = !isArr && isArguments(value),\n\t          isBuff = !isArr && !isArg && isBuffer(value),\n\t          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n\t          skipIndexes = isArr || isArg || isBuff || isType,\n\t          result = skipIndexes ? baseTimes(value.length, String) : [],\n\t          length = result.length;\n\t\n\t      for (var key in value) {\n\t        if ((inherited || hasOwnProperty.call(value, key)) &&\n\t            !(skipIndexes && (\n\t               // Safari 9 has enumerable `arguments.length` in strict mode.\n\t               key == 'length' ||\n\t               // Node.js 0.10 has enumerable non-index properties on buffers.\n\t               (isBuff && (key == 'offset' || key == 'parent')) ||\n\t               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n\t               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n\t               // Skip index properties.\n\t               isIndex(key, length)\n\t            ))) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.sample` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to sample.\n\t     * @returns {*} Returns the random element.\n\t     */\n\t    function arraySample(array) {\n\t      var length = array.length;\n\t      return length ? array[baseRandom(0, length - 1)] : undefined;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.sampleSize` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to sample.\n\t     * @param {number} n The number of elements to sample.\n\t     * @returns {Array} Returns the random elements.\n\t     */\n\t    function arraySampleSize(array, n) {\n\t      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.shuffle` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     */\n\t    function arrayShuffle(array) {\n\t      return shuffleSelf(copyArray(array));\n\t    }\n\t\n\t    /**\n\t     * This function is like `assignValue` except that it doesn't assign\n\t     * `undefined` values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function assignMergeValue(object, key, value) {\n\t      if ((value !== undefined && !eq(object[key], value)) ||\n\t          (value === undefined && !(key in object))) {\n\t        baseAssignValue(object, key, value);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function assignValue(object, key, value) {\n\t      var objValue = object[key];\n\t      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n\t          (value === undefined && !(key in object))) {\n\t        baseAssignValue(object, key, value);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Gets the index at which the `key` is found in `array` of key-value pairs.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} key The key to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     */\n\t    function assocIndexOf(array, key) {\n\t      var length = array.length;\n\t      while (length--) {\n\t        if (eq(array[length][0], key)) {\n\t          return length;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * Aggregates elements of `collection` on `accumulator` with keys transformed\n\t     * by `iteratee` and values set by `setter`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} setter The function to set `accumulator` values.\n\t     * @param {Function} iteratee The iteratee to transform keys.\n\t     * @param {Object} accumulator The initial aggregated object.\n\t     * @returns {Function} Returns `accumulator`.\n\t     */\n\t    function baseAggregator(collection, setter, iteratee, accumulator) {\n\t      baseEach(collection, function(value, key, collection) {\n\t        setter(accumulator, value, iteratee(value), collection);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.assign` without support for multiple sources\n\t     * or `customizer` functions.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseAssign(object, source) {\n\t      return object && copyObject(source, keys(source), object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.assignIn` without support for multiple sources\n\t     * or `customizer` functions.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseAssignIn(object, source) {\n\t      return object && copyObject(source, keysIn(source), object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `assignValue` and `assignMergeValue` without\n\t     * value checks.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function baseAssignValue(object, key, value) {\n\t      if (key == '__proto__' && defineProperty) {\n\t        defineProperty(object, key, {\n\t          'configurable': true,\n\t          'enumerable': true,\n\t          'value': value,\n\t          'writable': true\n\t        });\n\t      } else {\n\t        object[key] = value;\n\t      }\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.at` without support for individual paths.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @returns {Array} Returns the picked elements.\n\t     */\n\t    function baseAt(object, paths) {\n\t      var index = -1,\n\t          length = paths.length,\n\t          result = Array(length),\n\t          skip = object == null;\n\t\n\t      while (++index < length) {\n\t        result[index] = skip ? undefined : get(object, paths[index]);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.clamp` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} number The number to clamp.\n\t     * @param {number} [lower] The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the clamped number.\n\t     */\n\t    function baseClamp(number, lower, upper) {\n\t      if (number === number) {\n\t        if (upper !== undefined) {\n\t          number = number <= upper ? number : upper;\n\t        }\n\t        if (lower !== undefined) {\n\t          number = number >= lower ? number : lower;\n\t        }\n\t      }\n\t      return number;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n\t     * traversed objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to clone.\n\t     * @param {boolean} bitmask The bitmask flags.\n\t     *  1 - Deep clone\n\t     *  2 - Flatten inherited properties\n\t     *  4 - Clone symbols\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @param {string} [key] The key of `value`.\n\t     * @param {Object} [object] The parent object of `value`.\n\t     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n\t     * @returns {*} Returns the cloned value.\n\t     */\n\t    function baseClone(value, bitmask, customizer, key, object, stack) {\n\t      var result,\n\t          isDeep = bitmask & CLONE_DEEP_FLAG,\n\t          isFlat = bitmask & CLONE_FLAT_FLAG,\n\t          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\t\n\t      if (customizer) {\n\t        result = object ? customizer(value, key, object, stack) : customizer(value);\n\t      }\n\t      if (result !== undefined) {\n\t        return result;\n\t      }\n\t      if (!isObject(value)) {\n\t        return value;\n\t      }\n\t      var isArr = isArray(value);\n\t      if (isArr) {\n\t        result = initCloneArray(value);\n\t        if (!isDeep) {\n\t          return copyArray(value, result);\n\t        }\n\t      } else {\n\t        var tag = getTag(value),\n\t            isFunc = tag == funcTag || tag == genTag;\n\t\n\t        if (isBuffer(value)) {\n\t          return cloneBuffer(value, isDeep);\n\t        }\n\t        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n\t          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n\t          if (!isDeep) {\n\t            return isFlat\n\t              ? copySymbolsIn(value, baseAssignIn(result, value))\n\t              : copySymbols(value, baseAssign(result, value));\n\t          }\n\t        } else {\n\t          if (!cloneableTags[tag]) {\n\t            return object ? value : {};\n\t          }\n\t          result = initCloneByTag(value, tag, baseClone, isDeep);\n\t        }\n\t      }\n\t      // Check for circular references and return its corresponding clone.\n\t      stack || (stack = new Stack);\n\t      var stacked = stack.get(value);\n\t      if (stacked) {\n\t        return stacked;\n\t      }\n\t      stack.set(value, result);\n\t\n\t      var keysFunc = isFull\n\t        ? (isFlat ? getAllKeysIn : getAllKeys)\n\t        : (isFlat ? keysIn : keys);\n\t\n\t      var props = isArr ? undefined : keysFunc(value);\n\t      arrayEach(props || value, function(subValue, key) {\n\t        if (props) {\n\t          key = subValue;\n\t          subValue = value[key];\n\t        }\n\t        // Recursively populate clone (susceptible to call stack limits).\n\t        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.conforms` which doesn't clone `source`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseConforms(source) {\n\t      var props = keys(source);\n\t      return function(object) {\n\t        return baseConformsTo(object, source, props);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.conformsTo` which accepts `props` to check.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n\t     */\n\t    function baseConformsTo(object, source, props) {\n\t      var length = props.length;\n\t      if (object == null) {\n\t        return !length;\n\t      }\n\t      object = Object(object);\n\t      while (length--) {\n\t        var key = props[length],\n\t            predicate = source[key],\n\t            value = object[key];\n\t\n\t        if ((value === undefined && !(key in object)) || !predicate(value)) {\n\t          return false;\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n\t     * to provide to `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @param {Array} args The arguments to provide to `func`.\n\t     * @returns {number|Object} Returns the timer id or timeout object.\n\t     */\n\t    function baseDelay(func, wait, args) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      return setTimeout(function() { func.apply(undefined, args); }, wait);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.difference` without support\n\t     * for excluding multiple arrays or iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Array} values The values to exclude.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     */\n\t    function baseDifference(array, values, iteratee, comparator) {\n\t      var index = -1,\n\t          includes = arrayIncludes,\n\t          isCommon = true,\n\t          length = array.length,\n\t          result = [],\n\t          valuesLength = values.length;\n\t\n\t      if (!length) {\n\t        return result;\n\t      }\n\t      if (iteratee) {\n\t        values = arrayMap(values, baseUnary(iteratee));\n\t      }\n\t      if (comparator) {\n\t        includes = arrayIncludesWith;\n\t        isCommon = false;\n\t      }\n\t      else if (values.length >= LARGE_ARRAY_SIZE) {\n\t        includes = cacheHas;\n\t        isCommon = false;\n\t        values = new SetCache(values);\n\t      }\n\t      outer:\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee == null ? value : iteratee(value);\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (isCommon && computed === computed) {\n\t          var valuesIndex = valuesLength;\n\t          while (valuesIndex--) {\n\t            if (values[valuesIndex] === computed) {\n\t              continue outer;\n\t            }\n\t          }\n\t          result.push(value);\n\t        }\n\t        else if (!includes(values, computed, comparator)) {\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.forEach` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     */\n\t    var baseEach = createBaseEach(baseForOwn);\n\t\n\t    /**\n\t     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     */\n\t    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\t\n\t    /**\n\t     * The base implementation of `_.every` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t     *  else `false`\n\t     */\n\t    function baseEvery(collection, predicate) {\n\t      var result = true;\n\t      baseEach(collection, function(value, index, collection) {\n\t        result = !!predicate(value, index, collection);\n\t        return result;\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.max` and `_.min` which accepts a\n\t     * `comparator` to determine the extremum value.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} iteratee The iteratee invoked per iteration.\n\t     * @param {Function} comparator The comparator used to compare values.\n\t     * @returns {*} Returns the extremum value.\n\t     */\n\t    function baseExtremum(array, iteratee, comparator) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            current = iteratee(value);\n\t\n\t        if (current != null && (computed === undefined\n\t              ? (current === current && !isSymbol(current))\n\t              : comparator(current, computed)\n\t            )) {\n\t          var computed = current,\n\t              result = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.fill` without an iteratee call guard.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to fill.\n\t     * @param {*} value The value to fill `array` with.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function baseFill(array, value, start, end) {\n\t      var length = array.length;\n\t\n\t      start = toInteger(start);\n\t      if (start < 0) {\n\t        start = -start > length ? 0 : (length + start);\n\t      }\n\t      end = (end === undefined || end > length) ? length : toInteger(end);\n\t      if (end < 0) {\n\t        end += length;\n\t      }\n\t      end = start > end ? 0 : toLength(end);\n\t      while (start < end) {\n\t        array[start++] = value;\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.filter` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     */\n\t    function baseFilter(collection, predicate) {\n\t      var result = [];\n\t      baseEach(collection, function(value, index, collection) {\n\t        if (predicate(value, index, collection)) {\n\t          result.push(value);\n\t        }\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.flatten` with support for restricting flattening.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to flatten.\n\t     * @param {number} depth The maximum recursion depth.\n\t     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n\t     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n\t     * @param {Array} [result=[]] The initial result value.\n\t     * @returns {Array} Returns the new flattened array.\n\t     */\n\t    function baseFlatten(array, depth, predicate, isStrict, result) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      predicate || (predicate = isFlattenable);\n\t      result || (result = []);\n\t\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (depth > 0 && predicate(value)) {\n\t          if (depth > 1) {\n\t            // Recursively flatten arrays (susceptible to call stack limits).\n\t            baseFlatten(value, depth - 1, predicate, isStrict, result);\n\t          } else {\n\t            arrayPush(result, value);\n\t          }\n\t        } else if (!isStrict) {\n\t          result[result.length] = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `baseForOwn` which iterates over `object`\n\t     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    var baseFor = createBaseFor();\n\t\n\t    /**\n\t     * This function is like `baseFor` except that it iterates over properties\n\t     * in the opposite order.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    var baseForRight = createBaseFor(true);\n\t\n\t    /**\n\t     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseForOwn(object, iteratee) {\n\t      return object && baseFor(object, iteratee, keys);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseForOwnRight(object, iteratee) {\n\t      return object && baseForRight(object, iteratee, keys);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.functions` which creates an array of\n\t     * `object` function property names filtered from `props`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Array} props The property names to filter.\n\t     * @returns {Array} Returns the function names.\n\t     */\n\t    function baseFunctions(object, props) {\n\t      return arrayFilter(props, function(key) {\n\t        return isFunction(object[key]);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.get` without support for default values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {*} Returns the resolved value.\n\t     */\n\t    function baseGet(object, path) {\n\t      path = castPath(path, object);\n\t\n\t      var index = 0,\n\t          length = path.length;\n\t\n\t      while (object != null && index < length) {\n\t        object = object[toKey(path[index++])];\n\t      }\n\t      return (index && index == length) ? object : undefined;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n\t     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n\t     * symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n\t      var result = keysFunc(object);\n\t      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `getTag` without fallbacks for buggy environments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the `toStringTag`.\n\t     */\n\t    function baseGetTag(value) {\n\t      if (value == null) {\n\t        return value === undefined ? undefinedTag : nullTag;\n\t      }\n\t      return (symToStringTag && symToStringTag in Object(value))\n\t        ? getRawTag(value)\n\t        : objectToString(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.gt` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t     *  else `false`.\n\t     */\n\t    function baseGt(value, other) {\n\t      return value > other;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.has` without support for deep paths.\n\t     *\n\t     * @private\n\t     * @param {Object} [object] The object to query.\n\t     * @param {Array|string} key The key to check.\n\t     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n\t     */\n\t    function baseHas(object, key) {\n\t      return object != null && hasOwnProperty.call(object, key);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.hasIn` without support for deep paths.\n\t     *\n\t     * @private\n\t     * @param {Object} [object] The object to query.\n\t     * @param {Array|string} key The key to check.\n\t     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n\t     */\n\t    function baseHasIn(object, key) {\n\t      return object != null && key in Object(object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.inRange` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} number The number to check.\n\t     * @param {number} start The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t     */\n\t    function baseInRange(number, start, end) {\n\t      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.intersection`, without support\n\t     * for iteratee shorthands, that accepts an array of arrays to inspect.\n\t     *\n\t     * @private\n\t     * @param {Array} arrays The arrays to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of shared values.\n\t     */\n\t    function baseIntersection(arrays, iteratee, comparator) {\n\t      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n\t          length = arrays[0].length,\n\t          othLength = arrays.length,\n\t          othIndex = othLength,\n\t          caches = Array(othLength),\n\t          maxLength = Infinity,\n\t          result = [];\n\t\n\t      while (othIndex--) {\n\t        var array = arrays[othIndex];\n\t        if (othIndex && iteratee) {\n\t          array = arrayMap(array, baseUnary(iteratee));\n\t        }\n\t        maxLength = nativeMin(array.length, maxLength);\n\t        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n\t          ? new SetCache(othIndex && array)\n\t          : undefined;\n\t      }\n\t      array = arrays[0];\n\t\n\t      var index = -1,\n\t          seen = caches[0];\n\t\n\t      outer:\n\t      while (++index < length && result.length < maxLength) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (!(seen\n\t              ? cacheHas(seen, computed)\n\t              : includes(result, computed, comparator)\n\t            )) {\n\t          othIndex = othLength;\n\t          while (--othIndex) {\n\t            var cache = caches[othIndex];\n\t            if (!(cache\n\t                  ? cacheHas(cache, computed)\n\t                  : includes(arrays[othIndex], computed, comparator))\n\t                ) {\n\t              continue outer;\n\t            }\n\t          }\n\t          if (seen) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.invert` and `_.invertBy` which inverts\n\t     * `object` with values transformed by `iteratee` and set by `setter`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} setter The function to set `accumulator` values.\n\t     * @param {Function} iteratee The iteratee to transform values.\n\t     * @param {Object} accumulator The initial inverted object.\n\t     * @returns {Function} Returns `accumulator`.\n\t     */\n\t    function baseInverter(object, setter, iteratee, accumulator) {\n\t      baseForOwn(object, function(value, key, object) {\n\t        setter(accumulator, iteratee(value), key, object);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.invoke` without support for individual\n\t     * method arguments.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {Array} args The arguments to invoke the method with.\n\t     * @returns {*} Returns the result of the invoked method.\n\t     */\n\t    function baseInvoke(object, path, args) {\n\t      path = castPath(path, object);\n\t      object = parent(object, path);\n\t      var func = object == null ? object : object[toKey(last(path))];\n\t      return func == null ? undefined : apply(func, object, args);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isArguments`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n\t     */\n\t    function baseIsArguments(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == argsTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n\t     */\n\t    function baseIsArrayBuffer(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isDate` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n\t     */\n\t    function baseIsDate(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == dateTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isEqual` which supports partial comparisons\n\t     * and tracks traversed objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @param {boolean} bitmask The bitmask flags.\n\t     *  1 - Unordered comparison\n\t     *  2 - Partial comparison\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     */\n\t    function baseIsEqual(value, other, bitmask, customizer, stack) {\n\t      if (value === other) {\n\t        return true;\n\t      }\n\t      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n\t        return value !== value && other !== other;\n\t      }\n\t      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqual` for arrays and objects which performs\n\t     * deep comparisons and tracks traversed objects enabling objects with circular\n\t     * references to be compared.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n\t      var objIsArr = isArray(object),\n\t          othIsArr = isArray(other),\n\t          objTag = objIsArr ? arrayTag : getTag(object),\n\t          othTag = othIsArr ? arrayTag : getTag(other);\n\t\n\t      objTag = objTag == argsTag ? objectTag : objTag;\n\t      othTag = othTag == argsTag ? objectTag : othTag;\n\t\n\t      var objIsObj = objTag == objectTag,\n\t          othIsObj = othTag == objectTag,\n\t          isSameTag = objTag == othTag;\n\t\n\t      if (isSameTag && isBuffer(object)) {\n\t        if (!isBuffer(other)) {\n\t          return false;\n\t        }\n\t        objIsArr = true;\n\t        objIsObj = false;\n\t      }\n\t      if (isSameTag && !objIsObj) {\n\t        stack || (stack = new Stack);\n\t        return (objIsArr || isTypedArray(object))\n\t          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n\t          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n\t      }\n\t      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n\t        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n\t            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\t\n\t        if (objIsWrapped || othIsWrapped) {\n\t          var objUnwrapped = objIsWrapped ? object.value() : object,\n\t              othUnwrapped = othIsWrapped ? other.value() : other;\n\t\n\t          stack || (stack = new Stack);\n\t          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n\t        }\n\t      }\n\t      if (!isSameTag) {\n\t        return false;\n\t      }\n\t      stack || (stack = new Stack);\n\t      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isMap` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n\t     */\n\t    function baseIsMap(value) {\n\t      return isObjectLike(value) && getTag(value) == mapTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @param {Array} matchData The property names, values, and compare flags to match.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     */\n\t    function baseIsMatch(object, source, matchData, customizer) {\n\t      var index = matchData.length,\n\t          length = index,\n\t          noCustomizer = !customizer;\n\t\n\t      if (object == null) {\n\t        return !length;\n\t      }\n\t      object = Object(object);\n\t      while (index--) {\n\t        var data = matchData[index];\n\t        if ((noCustomizer && data[2])\n\t              ? data[1] !== object[data[0]]\n\t              : !(data[0] in object)\n\t            ) {\n\t          return false;\n\t        }\n\t      }\n\t      while (++index < length) {\n\t        data = matchData[index];\n\t        var key = data[0],\n\t            objValue = object[key],\n\t            srcValue = data[1];\n\t\n\t        if (noCustomizer && data[2]) {\n\t          if (objValue === undefined && !(key in object)) {\n\t            return false;\n\t          }\n\t        } else {\n\t          var stack = new Stack;\n\t          if (customizer) {\n\t            var result = customizer(objValue, srcValue, key, object, source, stack);\n\t          }\n\t          if (!(result === undefined\n\t                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n\t                : result\n\t              )) {\n\t            return false;\n\t          }\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isNative` without bad shim checks.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a native function,\n\t     *  else `false`.\n\t     */\n\t    function baseIsNative(value) {\n\t      if (!isObject(value) || isMasked(value)) {\n\t        return false;\n\t      }\n\t      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n\t      return pattern.test(toSource(value));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isRegExp` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n\t     */\n\t    function baseIsRegExp(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isSet` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n\t     */\n\t    function baseIsSet(value) {\n\t      return isObjectLike(value) && getTag(value) == setTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n\t     */\n\t    function baseIsTypedArray(value) {\n\t      return isObjectLike(value) &&\n\t        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.iteratee`.\n\t     *\n\t     * @private\n\t     * @param {*} [value=_.identity] The value to convert to an iteratee.\n\t     * @returns {Function} Returns the iteratee.\n\t     */\n\t    function baseIteratee(value) {\n\t      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n\t      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n\t      if (typeof value == 'function') {\n\t        return value;\n\t      }\n\t      if (value == null) {\n\t        return identity;\n\t      }\n\t      if (typeof value == 'object') {\n\t        return isArray(value)\n\t          ? baseMatchesProperty(value[0], value[1])\n\t          : baseMatches(value);\n\t      }\n\t      return property(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function baseKeys(object) {\n\t      if (!isPrototype(object)) {\n\t        return nativeKeys(object);\n\t      }\n\t      var result = [];\n\t      for (var key in Object(object)) {\n\t        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function baseKeysIn(object) {\n\t      if (!isObject(object)) {\n\t        return nativeKeysIn(object);\n\t      }\n\t      var isProto = isPrototype(object),\n\t          result = [];\n\t\n\t      for (var key in object) {\n\t        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.lt` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t     *  else `false`.\n\t     */\n\t    function baseLt(value, other) {\n\t      return value < other;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.map` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array} Returns the new mapped array.\n\t     */\n\t    function baseMap(collection, iteratee) {\n\t      var index = -1,\n\t          result = isArrayLike(collection) ? Array(collection.length) : [];\n\t\n\t      baseEach(collection, function(value, key, collection) {\n\t        result[++index] = iteratee(value, key, collection);\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.matches` which doesn't clone `source`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseMatches(source) {\n\t      var matchData = getMatchData(source);\n\t      if (matchData.length == 1 && matchData[0][2]) {\n\t        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n\t      }\n\t      return function(object) {\n\t        return object === source || baseIsMatch(object, source, matchData);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n\t     *\n\t     * @private\n\t     * @param {string} path The path of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseMatchesProperty(path, srcValue) {\n\t      if (isKey(path) && isStrictComparable(srcValue)) {\n\t        return matchesStrictComparable(toKey(path), srcValue);\n\t      }\n\t      return function(object) {\n\t        var objValue = get(object, path);\n\t        return (objValue === undefined && objValue === srcValue)\n\t          ? hasIn(object, path)\n\t          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.merge` without support for multiple sources.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @param {number} srcIndex The index of `source`.\n\t     * @param {Function} [customizer] The function to customize merged values.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     */\n\t    function baseMerge(object, source, srcIndex, customizer, stack) {\n\t      if (object === source) {\n\t        return;\n\t      }\n\t      baseFor(source, function(srcValue, key) {\n\t        if (isObject(srcValue)) {\n\t          stack || (stack = new Stack);\n\t          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n\t        }\n\t        else {\n\t          var newValue = customizer\n\t            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n\t            : undefined;\n\t\n\t          if (newValue === undefined) {\n\t            newValue = srcValue;\n\t          }\n\t          assignMergeValue(object, key, newValue);\n\t        }\n\t      }, keysIn);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseMerge` for arrays and objects which performs\n\t     * deep merges and tracks traversed objects enabling objects with circular\n\t     * references to be merged.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @param {string} key The key of the value to merge.\n\t     * @param {number} srcIndex The index of `source`.\n\t     * @param {Function} mergeFunc The function to merge values.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     */\n\t    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n\t      var objValue = object[key],\n\t          srcValue = source[key],\n\t          stacked = stack.get(srcValue);\n\t\n\t      if (stacked) {\n\t        assignMergeValue(object, key, stacked);\n\t        return;\n\t      }\n\t      var newValue = customizer\n\t        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n\t        : undefined;\n\t\n\t      var isCommon = newValue === undefined;\n\t\n\t      if (isCommon) {\n\t        var isArr = isArray(srcValue),\n\t            isBuff = !isArr && isBuffer(srcValue),\n\t            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\t\n\t        newValue = srcValue;\n\t        if (isArr || isBuff || isTyped) {\n\t          if (isArray(objValue)) {\n\t            newValue = objValue;\n\t          }\n\t          else if (isArrayLikeObject(objValue)) {\n\t            newValue = copyArray(objValue);\n\t          }\n\t          else if (isBuff) {\n\t            isCommon = false;\n\t            newValue = cloneBuffer(srcValue, true);\n\t          }\n\t          else if (isTyped) {\n\t            isCommon = false;\n\t            newValue = cloneTypedArray(srcValue, true);\n\t          }\n\t          else {\n\t            newValue = [];\n\t          }\n\t        }\n\t        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n\t          newValue = objValue;\n\t          if (isArguments(objValue)) {\n\t            newValue = toPlainObject(objValue);\n\t          }\n\t          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n\t            newValue = initCloneObject(srcValue);\n\t          }\n\t        }\n\t        else {\n\t          isCommon = false;\n\t        }\n\t      }\n\t      if (isCommon) {\n\t        // Recursively merge objects and arrays (susceptible to call stack limits).\n\t        stack.set(srcValue, newValue);\n\t        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n\t        stack['delete'](srcValue);\n\t      }\n\t      assignMergeValue(object, key, newValue);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.nth` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to query.\n\t     * @param {number} n The index of the element to return.\n\t     * @returns {*} Returns the nth element of `array`.\n\t     */\n\t    function baseNth(array, n) {\n\t      var length = array.length;\n\t      if (!length) {\n\t        return;\n\t      }\n\t      n += n < 0 ? length : 0;\n\t      return isIndex(n, length) ? array[n] : undefined;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.orderBy` without param guards.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n\t     * @param {string[]} orders The sort orders of `iteratees`.\n\t     * @returns {Array} Returns the new sorted array.\n\t     */\n\t    function baseOrderBy(collection, iteratees, orders) {\n\t      var index = -1;\n\t      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\t\n\t      var result = baseMap(collection, function(value, key, collection) {\n\t        var criteria = arrayMap(iteratees, function(iteratee) {\n\t          return iteratee(value);\n\t        });\n\t        return { 'criteria': criteria, 'index': ++index, 'value': value };\n\t      });\n\t\n\t      return baseSortBy(result, function(object, other) {\n\t        return compareMultiple(object, other, orders);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pick` without support for individual\n\t     * property identifiers.\n\t     *\n\t     * @private\n\t     * @param {Object} object The source object.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function basePick(object, paths) {\n\t      return basePickBy(object, paths, function(value, path) {\n\t        return hasIn(object, path);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The source object.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @param {Function} predicate The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function basePickBy(object, paths, predicate) {\n\t      var index = -1,\n\t          length = paths.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var path = paths[index],\n\t            value = baseGet(object, path);\n\t\n\t        if (predicate(value, path)) {\n\t          baseSet(result, castPath(path, object), value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseProperty` which supports deep paths.\n\t     *\n\t     * @private\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {Function} Returns the new accessor function.\n\t     */\n\t    function basePropertyDeep(path) {\n\t      return function(object) {\n\t        return baseGet(object, path);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pullAllBy` without support for iteratee\n\t     * shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function basePullAll(array, values, iteratee, comparator) {\n\t      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n\t          index = -1,\n\t          length = values.length,\n\t          seen = array;\n\t\n\t      if (array === values) {\n\t        values = copyArray(values);\n\t      }\n\t      if (iteratee) {\n\t        seen = arrayMap(array, baseUnary(iteratee));\n\t      }\n\t      while (++index < length) {\n\t        var fromIndex = 0,\n\t            value = values[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n\t          if (seen !== array) {\n\t            splice.call(seen, fromIndex, 1);\n\t          }\n\t          splice.call(array, fromIndex, 1);\n\t        }\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pullAt` without support for individual\n\t     * indexes or capturing the removed elements.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to modify.\n\t     * @param {number[]} indexes The indexes of elements to remove.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function basePullAt(array, indexes) {\n\t      var length = array ? indexes.length : 0,\n\t          lastIndex = length - 1;\n\t\n\t      while (length--) {\n\t        var index = indexes[length];\n\t        if (length == lastIndex || index !== previous) {\n\t          var previous = index;\n\t          if (isIndex(index)) {\n\t            splice.call(array, index, 1);\n\t          } else {\n\t            baseUnset(array, index);\n\t          }\n\t        }\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.random` without support for returning\n\t     * floating-point numbers.\n\t     *\n\t     * @private\n\t     * @param {number} lower The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the random number.\n\t     */\n\t    function baseRandom(lower, upper) {\n\t      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n\t     * coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} start The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} step The value to increment or decrement by.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Array} Returns the range of numbers.\n\t     */\n\t    function baseRange(start, end, step, fromRight) {\n\t      var index = -1,\n\t          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n\t          result = Array(length);\n\t\n\t      while (length--) {\n\t        result[fromRight ? length : ++index] = start;\n\t        start += step;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.repeat` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {string} string The string to repeat.\n\t     * @param {number} n The number of times to repeat the string.\n\t     * @returns {string} Returns the repeated string.\n\t     */\n\t    function baseRepeat(string, n) {\n\t      var result = '';\n\t      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n\t        return result;\n\t      }\n\t      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n\t      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n\t      do {\n\t        if (n % 2) {\n\t          result += string;\n\t        }\n\t        n = nativeFloor(n / 2);\n\t        if (n) {\n\t          string += string;\n\t        }\n\t      } while (n);\n\t\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function baseRest(func, start) {\n\t      return setToString(overRest(func, start, identity), func + '');\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sample`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @returns {*} Returns the random element.\n\t     */\n\t    function baseSample(collection) {\n\t      return arraySample(values(collection));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sampleSize` without param guards.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @param {number} n The number of elements to sample.\n\t     * @returns {Array} Returns the random elements.\n\t     */\n\t    function baseSampleSize(collection, n) {\n\t      var array = values(collection);\n\t      return shuffleSelf(array, baseClamp(n, 0, array.length));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.set`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @param {Function} [customizer] The function to customize path creation.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseSet(object, path, value, customizer) {\n\t      if (!isObject(object)) {\n\t        return object;\n\t      }\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length,\n\t          lastIndex = length - 1,\n\t          nested = object;\n\t\n\t      while (nested != null && ++index < length) {\n\t        var key = toKey(path[index]),\n\t            newValue = value;\n\t\n\t        if (index != lastIndex) {\n\t          var objValue = nested[key];\n\t          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n\t          if (newValue === undefined) {\n\t            newValue = isObject(objValue)\n\t              ? objValue\n\t              : (isIndex(path[index + 1]) ? [] : {});\n\t          }\n\t        }\n\t        assignValue(nested, key, newValue);\n\t        nested = nested[key];\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `setData` without support for hot loop shorting.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to associate metadata with.\n\t     * @param {*} data The metadata.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var baseSetData = !metaMap ? identity : function(func, data) {\n\t      metaMap.set(func, data);\n\t      return func;\n\t    };\n\t\n\t    /**\n\t     * The base implementation of `setToString` without support for hot loop shorting.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to modify.\n\t     * @param {Function} string The `toString` result.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var baseSetToString = !defineProperty ? identity : function(func, string) {\n\t      return defineProperty(func, 'toString', {\n\t        'configurable': true,\n\t        'enumerable': false,\n\t        'value': constant(string),\n\t        'writable': true\n\t      });\n\t    };\n\t\n\t    /**\n\t     * The base implementation of `_.shuffle`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     */\n\t    function baseShuffle(collection) {\n\t      return shuffleSelf(values(collection));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.slice` without an iteratee call guard.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to slice.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function baseSlice(array, start, end) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      if (start < 0) {\n\t        start = -start > length ? 0 : (length + start);\n\t      }\n\t      end = end > length ? length : end;\n\t      if (end < 0) {\n\t        end += length;\n\t      }\n\t      length = start > end ? 0 : ((end - start) >>> 0);\n\t      start >>>= 0;\n\t\n\t      var result = Array(length);\n\t      while (++index < length) {\n\t        result[index] = array[index + start];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.some` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t     *  else `false`.\n\t     */\n\t    function baseSome(collection, predicate) {\n\t      var result;\n\t\n\t      baseEach(collection, function(value, index, collection) {\n\t        result = predicate(value, index, collection);\n\t        return !result;\n\t      });\n\t      return !!result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n\t     * performs a binary search of `array` to determine the index at which `value`\n\t     * should be inserted into `array` in order to maintain its sort order.\n\t     *\n\t     * @private\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     */\n\t    function baseSortedIndex(array, value, retHighest) {\n\t      var low = 0,\n\t          high = array == null ? low : array.length;\n\t\n\t      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n\t        while (low < high) {\n\t          var mid = (low + high) >>> 1,\n\t              computed = array[mid];\n\t\n\t          if (computed !== null && !isSymbol(computed) &&\n\t              (retHighest ? (computed <= value) : (computed < value))) {\n\t            low = mid + 1;\n\t          } else {\n\t            high = mid;\n\t          }\n\t        }\n\t        return high;\n\t      }\n\t      return baseSortedIndexBy(array, value, identity, retHighest);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n\t     * which invokes `iteratee` for `value` and each element of `array` to compute\n\t     * their sort ranking. The iteratee is invoked with one argument; (value).\n\t     *\n\t     * @private\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} iteratee The iteratee invoked per element.\n\t     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     */\n\t    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n\t      value = iteratee(value);\n\t\n\t      var low = 0,\n\t          high = array == null ? 0 : array.length,\n\t          valIsNaN = value !== value,\n\t          valIsNull = value === null,\n\t          valIsSymbol = isSymbol(value),\n\t          valIsUndefined = value === undefined;\n\t\n\t      while (low < high) {\n\t        var mid = nativeFloor((low + high) / 2),\n\t            computed = iteratee(array[mid]),\n\t            othIsDefined = computed !== undefined,\n\t            othIsNull = computed === null,\n\t            othIsReflexive = computed === computed,\n\t            othIsSymbol = isSymbol(computed);\n\t\n\t        if (valIsNaN) {\n\t          var setLow = retHighest || othIsReflexive;\n\t        } else if (valIsUndefined) {\n\t          setLow = othIsReflexive && (retHighest || othIsDefined);\n\t        } else if (valIsNull) {\n\t          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n\t        } else if (valIsSymbol) {\n\t          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n\t        } else if (othIsNull || othIsSymbol) {\n\t          setLow = false;\n\t        } else {\n\t          setLow = retHighest ? (computed <= value) : (computed < value);\n\t        }\n\t        if (setLow) {\n\t          low = mid + 1;\n\t        } else {\n\t          high = mid;\n\t        }\n\t      }\n\t      return nativeMin(high, MAX_ARRAY_INDEX);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n\t     * support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     */\n\t    function baseSortedUniq(array, iteratee) {\n\t      var index = -1,\n\t          length = array.length,\n\t          resIndex = 0,\n\t          result = [];\n\t\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        if (!index || !eq(computed, seen)) {\n\t          var seen = computed;\n\t          result[resIndex++] = value === 0 ? 0 : value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.toNumber` which doesn't ensure correct\n\t     * conversions of binary, hexadecimal, or octal string values.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to process.\n\t     * @returns {number} Returns the number.\n\t     */\n\t    function baseToNumber(value) {\n\t      if (typeof value == 'number') {\n\t        return value;\n\t      }\n\t      if (isSymbol(value)) {\n\t        return NAN;\n\t      }\n\t      return +value;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.toString` which doesn't convert nullish\n\t     * values to empty strings.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to process.\n\t     * @returns {string} Returns the string.\n\t     */\n\t    function baseToString(value) {\n\t      // Exit early for strings to avoid a performance hit in some environments.\n\t      if (typeof value == 'string') {\n\t        return value;\n\t      }\n\t      if (isArray(value)) {\n\t        // Recursively convert values (susceptible to call stack limits).\n\t        return arrayMap(value, baseToString) + '';\n\t      }\n\t      if (isSymbol(value)) {\n\t        return symbolToString ? symbolToString.call(value) : '';\n\t      }\n\t      var result = (value + '');\n\t      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     */\n\t    function baseUniq(array, iteratee, comparator) {\n\t      var index = -1,\n\t          includes = arrayIncludes,\n\t          length = array.length,\n\t          isCommon = true,\n\t          result = [],\n\t          seen = result;\n\t\n\t      if (comparator) {\n\t        isCommon = false;\n\t        includes = arrayIncludesWith;\n\t      }\n\t      else if (length >= LARGE_ARRAY_SIZE) {\n\t        var set = iteratee ? null : createSet(array);\n\t        if (set) {\n\t          return setToArray(set);\n\t        }\n\t        isCommon = false;\n\t        includes = cacheHas;\n\t        seen = new SetCache;\n\t      }\n\t      else {\n\t        seen = iteratee ? [] : result;\n\t      }\n\t      outer:\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (isCommon && computed === computed) {\n\t          var seenIndex = seen.length;\n\t          while (seenIndex--) {\n\t            if (seen[seenIndex] === computed) {\n\t              continue outer;\n\t            }\n\t          }\n\t          if (iteratee) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t        else if (!includes(seen, computed, comparator)) {\n\t          if (seen !== result) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.unset`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The property path to unset.\n\t     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t     */\n\t    function baseUnset(object, path) {\n\t      path = castPath(path, object);\n\t      object = parent(object, path);\n\t      return object == null || delete object[toKey(last(path))];\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.update`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to update.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @param {Function} [customizer] The function to customize path creation.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseUpdate(object, path, updater, customizer) {\n\t      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n\t     * without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function baseWhile(array, predicate, isDrop, fromRight) {\n\t      var length = array.length,\n\t          index = fromRight ? length : -1;\n\t\n\t      while ((fromRight ? index-- : ++index < length) &&\n\t        predicate(array[index], index, array)) {}\n\t\n\t      return isDrop\n\t        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n\t        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `wrapperValue` which returns the result of\n\t     * performing a sequence of actions on the unwrapped `value`, where each\n\t     * successive action is supplied the return value of the previous.\n\t     *\n\t     * @private\n\t     * @param {*} value The unwrapped value.\n\t     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n\t     * @returns {*} Returns the resolved value.\n\t     */\n\t    function baseWrapperValue(value, actions) {\n\t      var result = value;\n\t      if (result instanceof LazyWrapper) {\n\t        result = result.value();\n\t      }\n\t      return arrayReduce(actions, function(result, action) {\n\t        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n\t      }, result);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.xor`, without support for\n\t     * iteratee shorthands, that accepts an array of arrays to inspect.\n\t     *\n\t     * @private\n\t     * @param {Array} arrays The arrays to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of values.\n\t     */\n\t    function baseXor(arrays, iteratee, comparator) {\n\t      var length = arrays.length;\n\t      if (length < 2) {\n\t        return length ? baseUniq(arrays[0]) : [];\n\t      }\n\t      var index = -1,\n\t          result = Array(length);\n\t\n\t      while (++index < length) {\n\t        var array = arrays[index],\n\t            othIndex = -1;\n\t\n\t        while (++othIndex < length) {\n\t          if (othIndex != index) {\n\t            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n\t          }\n\t        }\n\t      }\n\t      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n\t    }\n\t\n\t    /**\n\t     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n\t     *\n\t     * @private\n\t     * @param {Array} props The property identifiers.\n\t     * @param {Array} values The property values.\n\t     * @param {Function} assignFunc The function to assign values.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function baseZipObject(props, values, assignFunc) {\n\t      var index = -1,\n\t          length = props.length,\n\t          valsLength = values.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var value = index < valsLength ? values[index] : undefined;\n\t        assignFunc(result, props[index], value);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to an empty array if it's not an array like object.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Array|Object} Returns the cast array-like object.\n\t     */\n\t    function castArrayLikeObject(value) {\n\t      return isArrayLikeObject(value) ? value : [];\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to `identity` if it's not a function.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Function} Returns cast function.\n\t     */\n\t    function castFunction(value) {\n\t      return typeof value == 'function' ? value : identity;\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to a path array if it's not one.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @param {Object} [object] The object to query keys on.\n\t     * @returns {Array} Returns the cast property path array.\n\t     */\n\t    function castPath(value, object) {\n\t      if (isArray(value)) {\n\t        return value;\n\t      }\n\t      return isKey(value, object) ? [value] : stringToPath(toString(value));\n\t    }\n\t\n\t    /**\n\t     * A `baseRest` alias which can be replaced with `identity` by module\n\t     * replacement plugins.\n\t     *\n\t     * @private\n\t     * @type {Function}\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    var castRest = baseRest;\n\t\n\t    /**\n\t     * Casts `array` to a slice if it's needed.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {number} start The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the cast slice.\n\t     */\n\t    function castSlice(array, start, end) {\n\t      var length = array.length;\n\t      end = end === undefined ? length : end;\n\t      return (!start && end >= length) ? array : baseSlice(array, start, end);\n\t    }\n\t\n\t    /**\n\t     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n\t     *\n\t     * @private\n\t     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n\t     */\n\t    var clearTimeout = ctxClearTimeout || function(id) {\n\t      return root.clearTimeout(id);\n\t    };\n\t\n\t    /**\n\t     * Creates a clone of  `buffer`.\n\t     *\n\t     * @private\n\t     * @param {Buffer} buffer The buffer to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Buffer} Returns the cloned buffer.\n\t     */\n\t    function cloneBuffer(buffer, isDeep) {\n\t      if (isDeep) {\n\t        return buffer.slice();\n\t      }\n\t      var length = buffer.length,\n\t          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\t\n\t      buffer.copy(result);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `arrayBuffer`.\n\t     *\n\t     * @private\n\t     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n\t     * @returns {ArrayBuffer} Returns the cloned array buffer.\n\t     */\n\t    function cloneArrayBuffer(arrayBuffer) {\n\t      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n\t      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `dataView`.\n\t     *\n\t     * @private\n\t     * @param {Object} dataView The data view to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned data view.\n\t     */\n\t    function cloneDataView(dataView, isDeep) {\n\t      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n\t      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `map`.\n\t     *\n\t     * @private\n\t     * @param {Object} map The map to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned map.\n\t     */\n\t    function cloneMap(map, isDeep, cloneFunc) {\n\t      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n\t      return arrayReduce(array, addMapEntry, new map.constructor);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `regexp`.\n\t     *\n\t     * @private\n\t     * @param {Object} regexp The regexp to clone.\n\t     * @returns {Object} Returns the cloned regexp.\n\t     */\n\t    function cloneRegExp(regexp) {\n\t      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n\t      result.lastIndex = regexp.lastIndex;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `set`.\n\t     *\n\t     * @private\n\t     * @param {Object} set The set to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned set.\n\t     */\n\t    function cloneSet(set, isDeep, cloneFunc) {\n\t      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n\t      return arrayReduce(array, addSetEntry, new set.constructor);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the `symbol` object.\n\t     *\n\t     * @private\n\t     * @param {Object} symbol The symbol object to clone.\n\t     * @returns {Object} Returns the cloned symbol object.\n\t     */\n\t    function cloneSymbol(symbol) {\n\t      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `typedArray`.\n\t     *\n\t     * @private\n\t     * @param {Object} typedArray The typed array to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned typed array.\n\t     */\n\t    function cloneTypedArray(typedArray, isDeep) {\n\t      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n\t      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n\t    }\n\t\n\t    /**\n\t     * Compares values to sort them in ascending order.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {number} Returns the sort order indicator for `value`.\n\t     */\n\t    function compareAscending(value, other) {\n\t      if (value !== other) {\n\t        var valIsDefined = value !== undefined,\n\t            valIsNull = value === null,\n\t            valIsReflexive = value === value,\n\t            valIsSymbol = isSymbol(value);\n\t\n\t        var othIsDefined = other !== undefined,\n\t            othIsNull = other === null,\n\t            othIsReflexive = other === other,\n\t            othIsSymbol = isSymbol(other);\n\t\n\t        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n\t            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n\t            (valIsNull && othIsDefined && othIsReflexive) ||\n\t            (!valIsDefined && othIsReflexive) ||\n\t            !valIsReflexive) {\n\t          return 1;\n\t        }\n\t        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n\t            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n\t            (othIsNull && valIsDefined && valIsReflexive) ||\n\t            (!othIsDefined && valIsReflexive) ||\n\t            !othIsReflexive) {\n\t          return -1;\n\t        }\n\t      }\n\t      return 0;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.orderBy` to compare multiple properties of a value to another\n\t     * and stable sort them.\n\t     *\n\t     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n\t     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n\t     * of corresponding values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {boolean[]|string[]} orders The order to sort by for each property.\n\t     * @returns {number} Returns the sort order indicator for `object`.\n\t     */\n\t    function compareMultiple(object, other, orders) {\n\t      var index = -1,\n\t          objCriteria = object.criteria,\n\t          othCriteria = other.criteria,\n\t          length = objCriteria.length,\n\t          ordersLength = orders.length;\n\t\n\t      while (++index < length) {\n\t        var result = compareAscending(objCriteria[index], othCriteria[index]);\n\t        if (result) {\n\t          if (index >= ordersLength) {\n\t            return result;\n\t          }\n\t          var order = orders[index];\n\t          return result * (order == 'desc' ? -1 : 1);\n\t        }\n\t      }\n\t      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n\t      // that causes it, under certain circumstances, to provide the same value for\n\t      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n\t      // for more details.\n\t      //\n\t      // This also ensures a stable sort in V8 and other engines.\n\t      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n\t      return object.index - other.index;\n\t    }\n\t\n\t    /**\n\t     * Creates an array that is the composition of partially applied arguments,\n\t     * placeholders, and provided arguments into a single array of arguments.\n\t     *\n\t     * @private\n\t     * @param {Array} args The provided arguments.\n\t     * @param {Array} partials The arguments to prepend to those provided.\n\t     * @param {Array} holders The `partials` placeholder indexes.\n\t     * @params {boolean} [isCurried] Specify composing for a curried function.\n\t     * @returns {Array} Returns the new array of composed arguments.\n\t     */\n\t    function composeArgs(args, partials, holders, isCurried) {\n\t      var argsIndex = -1,\n\t          argsLength = args.length,\n\t          holdersLength = holders.length,\n\t          leftIndex = -1,\n\t          leftLength = partials.length,\n\t          rangeLength = nativeMax(argsLength - holdersLength, 0),\n\t          result = Array(leftLength + rangeLength),\n\t          isUncurried = !isCurried;\n\t\n\t      while (++leftIndex < leftLength) {\n\t        result[leftIndex] = partials[leftIndex];\n\t      }\n\t      while (++argsIndex < holdersLength) {\n\t        if (isUncurried || argsIndex < argsLength) {\n\t          result[holders[argsIndex]] = args[argsIndex];\n\t        }\n\t      }\n\t      while (rangeLength--) {\n\t        result[leftIndex++] = args[argsIndex++];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This function is like `composeArgs` except that the arguments composition\n\t     * is tailored for `_.partialRight`.\n\t     *\n\t     * @private\n\t     * @param {Array} args The provided arguments.\n\t     * @param {Array} partials The arguments to append to those provided.\n\t     * @param {Array} holders The `partials` placeholder indexes.\n\t     * @params {boolean} [isCurried] Specify composing for a curried function.\n\t     * @returns {Array} Returns the new array of composed arguments.\n\t     */\n\t    function composeArgsRight(args, partials, holders, isCurried) {\n\t      var argsIndex = -1,\n\t          argsLength = args.length,\n\t          holdersIndex = -1,\n\t          holdersLength = holders.length,\n\t          rightIndex = -1,\n\t          rightLength = partials.length,\n\t          rangeLength = nativeMax(argsLength - holdersLength, 0),\n\t          result = Array(rangeLength + rightLength),\n\t          isUncurried = !isCurried;\n\t\n\t      while (++argsIndex < rangeLength) {\n\t        result[argsIndex] = args[argsIndex];\n\t      }\n\t      var offset = argsIndex;\n\t      while (++rightIndex < rightLength) {\n\t        result[offset + rightIndex] = partials[rightIndex];\n\t      }\n\t      while (++holdersIndex < holdersLength) {\n\t        if (isUncurried || argsIndex < argsLength) {\n\t          result[offset + holders[holdersIndex]] = args[argsIndex++];\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Copies the values of `source` to `array`.\n\t     *\n\t     * @private\n\t     * @param {Array} source The array to copy values from.\n\t     * @param {Array} [array=[]] The array to copy values to.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function copyArray(source, array) {\n\t      var index = -1,\n\t          length = source.length;\n\t\n\t      array || (array = Array(length));\n\t      while (++index < length) {\n\t        array[index] = source[index];\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Copies properties of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy properties from.\n\t     * @param {Array} props The property identifiers to copy.\n\t     * @param {Object} [object={}] The object to copy properties to.\n\t     * @param {Function} [customizer] The function to customize copied values.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copyObject(source, props, object, customizer) {\n\t      var isNew = !object;\n\t      object || (object = {});\n\t\n\t      var index = -1,\n\t          length = props.length;\n\t\n\t      while (++index < length) {\n\t        var key = props[index];\n\t\n\t        var newValue = customizer\n\t          ? customizer(object[key], source[key], key, object, source)\n\t          : undefined;\n\t\n\t        if (newValue === undefined) {\n\t          newValue = source[key];\n\t        }\n\t        if (isNew) {\n\t          baseAssignValue(object, key, newValue);\n\t        } else {\n\t          assignValue(object, key, newValue);\n\t        }\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Copies own symbols of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy symbols from.\n\t     * @param {Object} [object={}] The object to copy symbols to.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copySymbols(source, object) {\n\t      return copyObject(source, getSymbols(source), object);\n\t    }\n\t\n\t    /**\n\t     * Copies own and inherited symbols of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy symbols from.\n\t     * @param {Object} [object={}] The object to copy symbols to.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copySymbolsIn(source, object) {\n\t      return copyObject(source, getSymbolsIn(source), object);\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.groupBy`.\n\t     *\n\t     * @private\n\t     * @param {Function} setter The function to set accumulator values.\n\t     * @param {Function} [initializer] The accumulator object initializer.\n\t     * @returns {Function} Returns the new aggregator function.\n\t     */\n\t    function createAggregator(setter, initializer) {\n\t      return function(collection, iteratee) {\n\t        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n\t            accumulator = initializer ? initializer() : {};\n\t\n\t        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.assign`.\n\t     *\n\t     * @private\n\t     * @param {Function} assigner The function to assign values.\n\t     * @returns {Function} Returns the new assigner function.\n\t     */\n\t    function createAssigner(assigner) {\n\t      return baseRest(function(object, sources) {\n\t        var index = -1,\n\t            length = sources.length,\n\t            customizer = length > 1 ? sources[length - 1] : undefined,\n\t            guard = length > 2 ? sources[2] : undefined;\n\t\n\t        customizer = (assigner.length > 3 && typeof customizer == 'function')\n\t          ? (length--, customizer)\n\t          : undefined;\n\t\n\t        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n\t          customizer = length < 3 ? undefined : customizer;\n\t          length = 1;\n\t        }\n\t        object = Object(object);\n\t        while (++index < length) {\n\t          var source = sources[index];\n\t          if (source) {\n\t            assigner(object, source, index, customizer);\n\t          }\n\t        }\n\t        return object;\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a `baseEach` or `baseEachRight` function.\n\t     *\n\t     * @private\n\t     * @param {Function} eachFunc The function to iterate over a collection.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new base function.\n\t     */\n\t    function createBaseEach(eachFunc, fromRight) {\n\t      return function(collection, iteratee) {\n\t        if (collection == null) {\n\t          return collection;\n\t        }\n\t        if (!isArrayLike(collection)) {\n\t          return eachFunc(collection, iteratee);\n\t        }\n\t        var length = collection.length,\n\t            index = fromRight ? length : -1,\n\t            iterable = Object(collection);\n\t\n\t        while ((fromRight ? index-- : ++index < length)) {\n\t          if (iteratee(iterable[index], index, iterable) === false) {\n\t            break;\n\t          }\n\t        }\n\t        return collection;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new base function.\n\t     */\n\t    function createBaseFor(fromRight) {\n\t      return function(object, iteratee, keysFunc) {\n\t        var index = -1,\n\t            iterable = Object(object),\n\t            props = keysFunc(object),\n\t            length = props.length;\n\t\n\t        while (length--) {\n\t          var key = props[fromRight ? length : ++index];\n\t          if (iteratee(iterable[key], key, iterable) === false) {\n\t            break;\n\t          }\n\t        }\n\t        return object;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with the optional `this`\n\t     * binding of `thisArg`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createBind(func, bitmask, thisArg) {\n\t      var isBind = bitmask & WRAP_BIND_FLAG,\n\t          Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t        return fn.apply(isBind ? thisArg : this, arguments);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.lowerFirst`.\n\t     *\n\t     * @private\n\t     * @param {string} methodName The name of the `String` case method to use.\n\t     * @returns {Function} Returns the new case function.\n\t     */\n\t    function createCaseFirst(methodName) {\n\t      return function(string) {\n\t        string = toString(string);\n\t\n\t        var strSymbols = hasUnicode(string)\n\t          ? stringToArray(string)\n\t          : undefined;\n\t\n\t        var chr = strSymbols\n\t          ? strSymbols[0]\n\t          : string.charAt(0);\n\t\n\t        var trailing = strSymbols\n\t          ? castSlice(strSymbols, 1).join('')\n\t          : string.slice(1);\n\t\n\t        return chr[methodName]() + trailing;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.camelCase`.\n\t     *\n\t     * @private\n\t     * @param {Function} callback The function to combine each word.\n\t     * @returns {Function} Returns the new compounder function.\n\t     */\n\t    function createCompounder(callback) {\n\t      return function(string) {\n\t        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that produces an instance of `Ctor` regardless of\n\t     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n\t     *\n\t     * @private\n\t     * @param {Function} Ctor The constructor to wrap.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createCtor(Ctor) {\n\t      return function() {\n\t        // Use a `switch` statement to work with class constructors. See\n\t        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n\t        // for more details.\n\t        var args = arguments;\n\t        switch (args.length) {\n\t          case 0: return new Ctor;\n\t          case 1: return new Ctor(args[0]);\n\t          case 2: return new Ctor(args[0], args[1]);\n\t          case 3: return new Ctor(args[0], args[1], args[2]);\n\t          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n\t          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n\t          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n\t          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n\t        }\n\t        var thisBinding = baseCreate(Ctor.prototype),\n\t            result = Ctor.apply(thisBinding, args);\n\t\n\t        // Mimic the constructor's `return` behavior.\n\t        // See https://es5.github.io/#x13.2.2 for more details.\n\t        return isObject(result) ? result : thisBinding;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to enable currying.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {number} arity The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createCurry(func, bitmask, arity) {\n\t      var Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var length = arguments.length,\n\t            args = Array(length),\n\t            index = length,\n\t            placeholder = getHolder(wrapper);\n\t\n\t        while (index--) {\n\t          args[index] = arguments[index];\n\t        }\n\t        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n\t          ? []\n\t          : replaceHolders(args, placeholder);\n\t\n\t        length -= holders.length;\n\t        if (length < arity) {\n\t          return createRecurry(\n\t            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n\t            args, holders, undefined, undefined, arity - length);\n\t        }\n\t        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t        return apply(fn, this, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.find` or `_.findLast` function.\n\t     *\n\t     * @private\n\t     * @param {Function} findIndexFunc The function to find the collection index.\n\t     * @returns {Function} Returns the new find function.\n\t     */\n\t    function createFind(findIndexFunc) {\n\t      return function(collection, predicate, fromIndex) {\n\t        var iterable = Object(collection);\n\t        if (!isArrayLike(collection)) {\n\t          var iteratee = getIteratee(predicate, 3);\n\t          collection = keys(collection);\n\t          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n\t        }\n\t        var index = findIndexFunc(collection, predicate, fromIndex);\n\t        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.flow` or `_.flowRight` function.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new flow function.\n\t     */\n\t    function createFlow(fromRight) {\n\t      return flatRest(function(funcs) {\n\t        var length = funcs.length,\n\t            index = length,\n\t            prereq = LodashWrapper.prototype.thru;\n\t\n\t        if (fromRight) {\n\t          funcs.reverse();\n\t        }\n\t        while (index--) {\n\t          var func = funcs[index];\n\t          if (typeof func != 'function') {\n\t            throw new TypeError(FUNC_ERROR_TEXT);\n\t          }\n\t          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n\t            var wrapper = new LodashWrapper([], true);\n\t          }\n\t        }\n\t        index = wrapper ? index : length;\n\t        while (++index < length) {\n\t          func = funcs[index];\n\t\n\t          var funcName = getFuncName(func),\n\t              data = funcName == 'wrapper' ? getData(func) : undefined;\n\t\n\t          if (data && isLaziable(data[0]) &&\n\t                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n\t                !data[4].length && data[9] == 1\n\t              ) {\n\t            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n\t          } else {\n\t            wrapper = (func.length == 1 && isLaziable(func))\n\t              ? wrapper[funcName]()\n\t              : wrapper.thru(func);\n\t          }\n\t        }\n\t        return function() {\n\t          var args = arguments,\n\t              value = args[0];\n\t\n\t          if (wrapper && args.length == 1 && isArray(value)) {\n\t            return wrapper.plant(value).value();\n\t          }\n\t          var index = 0,\n\t              result = length ? funcs[index].apply(this, args) : value;\n\t\n\t          while (++index < length) {\n\t            result = funcs[index].call(this, result);\n\t          }\n\t          return result;\n\t        };\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with optional `this`\n\t     * binding of `thisArg`, partial application, and currying.\n\t     *\n\t     * @private\n\t     * @param {Function|string} func The function or method name to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [partialsRight] The arguments to append to those provided\n\t     *  to the new function.\n\t     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n\t      var isAry = bitmask & WRAP_ARY_FLAG,\n\t          isBind = bitmask & WRAP_BIND_FLAG,\n\t          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n\t          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n\t          isFlip = bitmask & WRAP_FLIP_FLAG,\n\t          Ctor = isBindKey ? undefined : createCtor(func);\n\t\n\t      function wrapper() {\n\t        var length = arguments.length,\n\t            args = Array(length),\n\t            index = length;\n\t\n\t        while (index--) {\n\t          args[index] = arguments[index];\n\t        }\n\t        if (isCurried) {\n\t          var placeholder = getHolder(wrapper),\n\t              holdersCount = countHolders(args, placeholder);\n\t        }\n\t        if (partials) {\n\t          args = composeArgs(args, partials, holders, isCurried);\n\t        }\n\t        if (partialsRight) {\n\t          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n\t        }\n\t        length -= holdersCount;\n\t        if (isCurried && length < arity) {\n\t          var newHolders = replaceHolders(args, placeholder);\n\t          return createRecurry(\n\t            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n\t            args, newHolders, argPos, ary, arity - length\n\t          );\n\t        }\n\t        var thisBinding = isBind ? thisArg : this,\n\t            fn = isBindKey ? thisBinding[func] : func;\n\t\n\t        length = args.length;\n\t        if (argPos) {\n\t          args = reorder(args, argPos);\n\t        } else if (isFlip && length > 1) {\n\t          args.reverse();\n\t        }\n\t        if (isAry && ary < length) {\n\t          args.length = ary;\n\t        }\n\t        if (this && this !== root && this instanceof wrapper) {\n\t          fn = Ctor || createCtor(fn);\n\t        }\n\t        return fn.apply(thisBinding, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.invertBy`.\n\t     *\n\t     * @private\n\t     * @param {Function} setter The function to set accumulator values.\n\t     * @param {Function} toIteratee The function to resolve iteratees.\n\t     * @returns {Function} Returns the new inverter function.\n\t     */\n\t    function createInverter(setter, toIteratee) {\n\t      return function(object, iteratee) {\n\t        return baseInverter(object, setter, toIteratee(iteratee), {});\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a mathematical operation on two values.\n\t     *\n\t     * @private\n\t     * @param {Function} operator The function to perform the operation.\n\t     * @param {number} [defaultValue] The value used for `undefined` arguments.\n\t     * @returns {Function} Returns the new mathematical operation function.\n\t     */\n\t    function createMathOperation(operator, defaultValue) {\n\t      return function(value, other) {\n\t        var result;\n\t        if (value === undefined && other === undefined) {\n\t          return defaultValue;\n\t        }\n\t        if (value !== undefined) {\n\t          result = value;\n\t        }\n\t        if (other !== undefined) {\n\t          if (result === undefined) {\n\t            return other;\n\t          }\n\t          if (typeof value == 'string' || typeof other == 'string') {\n\t            value = baseToString(value);\n\t            other = baseToString(other);\n\t          } else {\n\t            value = baseToNumber(value);\n\t            other = baseToNumber(other);\n\t          }\n\t          result = operator(value, other);\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.over`.\n\t     *\n\t     * @private\n\t     * @param {Function} arrayFunc The function to iterate over iteratees.\n\t     * @returns {Function} Returns the new over function.\n\t     */\n\t    function createOver(arrayFunc) {\n\t      return flatRest(function(iteratees) {\n\t        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n\t        return baseRest(function(args) {\n\t          var thisArg = this;\n\t          return arrayFunc(iteratees, function(iteratee) {\n\t            return apply(iteratee, thisArg, args);\n\t          });\n\t        });\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates the padding for `string` based on `length`. The `chars` string\n\t     * is truncated if the number of characters exceeds `length`.\n\t     *\n\t     * @private\n\t     * @param {number} length The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padding for `string`.\n\t     */\n\t    function createPadding(length, chars) {\n\t      chars = chars === undefined ? ' ' : baseToString(chars);\n\t\n\t      var charsLength = chars.length;\n\t      if (charsLength < 2) {\n\t        return charsLength ? baseRepeat(chars, length) : chars;\n\t      }\n\t      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n\t      return hasUnicode(chars)\n\t        ? castSlice(stringToArray(result), 0, length).join('')\n\t        : result.slice(0, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with the `this` binding\n\t     * of `thisArg` and `partials` prepended to the arguments it receives.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} thisArg The `this` binding of `func`.\n\t     * @param {Array} partials The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createPartial(func, bitmask, thisArg, partials) {\n\t      var isBind = bitmask & WRAP_BIND_FLAG,\n\t          Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var argsIndex = -1,\n\t            argsLength = arguments.length,\n\t            leftIndex = -1,\n\t            leftLength = partials.length,\n\t            args = Array(leftLength + argsLength),\n\t            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t\n\t        while (++leftIndex < leftLength) {\n\t          args[leftIndex] = partials[leftIndex];\n\t        }\n\t        while (argsLength--) {\n\t          args[leftIndex++] = arguments[++argsIndex];\n\t        }\n\t        return apply(fn, isBind ? thisArg : this, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.range` or `_.rangeRight` function.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new range function.\n\t     */\n\t    function createRange(fromRight) {\n\t      return function(start, end, step) {\n\t        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n\t          end = step = undefined;\n\t        }\n\t        // Ensure the sign of `-0` is preserved.\n\t        start = toFinite(start);\n\t        if (end === undefined) {\n\t          end = start;\n\t          start = 0;\n\t        } else {\n\t          end = toFinite(end);\n\t        }\n\t        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n\t        return baseRange(start, end, step, fromRight);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a relational operation on two values.\n\t     *\n\t     * @private\n\t     * @param {Function} operator The function to perform the operation.\n\t     * @returns {Function} Returns the new relational operation function.\n\t     */\n\t    function createRelationalOperation(operator) {\n\t      return function(value, other) {\n\t        if (!(typeof value == 'string' && typeof other == 'string')) {\n\t          value = toNumber(value);\n\t          other = toNumber(other);\n\t        }\n\t        return operator(value, other);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to continue currying.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {Function} wrapFunc The function to create the `func` wrapper.\n\t     * @param {*} placeholder The placeholder value.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n\t      var isCurry = bitmask & WRAP_CURRY_FLAG,\n\t          newHolders = isCurry ? holders : undefined,\n\t          newHoldersRight = isCurry ? undefined : holders,\n\t          newPartials = isCurry ? partials : undefined,\n\t          newPartialsRight = isCurry ? undefined : partials;\n\t\n\t      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n\t      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\t\n\t      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n\t        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n\t      }\n\t      var newData = [\n\t        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n\t        newHoldersRight, argPos, ary, arity\n\t      ];\n\t\n\t      var result = wrapFunc.apply(undefined, newData);\n\t      if (isLaziable(func)) {\n\t        setData(result, newData);\n\t      }\n\t      result.placeholder = placeholder;\n\t      return setWrapToString(result, func, bitmask);\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.round`.\n\t     *\n\t     * @private\n\t     * @param {string} methodName The name of the `Math` method to use when rounding.\n\t     * @returns {Function} Returns the new round function.\n\t     */\n\t    function createRound(methodName) {\n\t      var func = Math[methodName];\n\t      return function(number, precision) {\n\t        number = toNumber(number);\n\t        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n\t        if (precision) {\n\t          // Shift with exponential notation to avoid floating-point issues.\n\t          // See [MDN](https://mdn.io/round#Examples) for more details.\n\t          var pair = (toString(number) + 'e').split('e'),\n\t              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\t\n\t          pair = (toString(value) + 'e').split('e');\n\t          return +(pair[0] + 'e' + (+pair[1] - precision));\n\t        }\n\t        return func(number);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a set object of `values`.\n\t     *\n\t     * @private\n\t     * @param {Array} values The values to add to the set.\n\t     * @returns {Object} Returns the new set.\n\t     */\n\t    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n\t      return new Set(values);\n\t    };\n\t\n\t    /**\n\t     * Creates a `_.toPairs` or `_.toPairsIn` function.\n\t     *\n\t     * @private\n\t     * @param {Function} keysFunc The function to get the keys of a given object.\n\t     * @returns {Function} Returns the new pairs function.\n\t     */\n\t    function createToPairs(keysFunc) {\n\t      return function(object) {\n\t        var tag = getTag(object);\n\t        if (tag == mapTag) {\n\t          return mapToArray(object);\n\t        }\n\t        if (tag == setTag) {\n\t          return setToPairs(object);\n\t        }\n\t        return baseToPairs(object, keysFunc(object));\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that either curries or invokes `func` with optional\n\t     * `this` binding and partially applied arguments.\n\t     *\n\t     * @private\n\t     * @param {Function|string} func The function or method name to wrap.\n\t     * @param {number} bitmask The bitmask flags.\n\t     *    1 - `_.bind`\n\t     *    2 - `_.bindKey`\n\t     *    4 - `_.curry` or `_.curryRight` of a bound function\n\t     *    8 - `_.curry`\n\t     *   16 - `_.curryRight`\n\t     *   32 - `_.partial`\n\t     *   64 - `_.partialRight`\n\t     *  128 - `_.rearg`\n\t     *  256 - `_.ary`\n\t     *  512 - `_.flip`\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to be partially applied.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n\t      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n\t      if (!isBindKey && typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      var length = partials ? partials.length : 0;\n\t      if (!length) {\n\t        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n\t        partials = holders = undefined;\n\t      }\n\t      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n\t      arity = arity === undefined ? arity : toInteger(arity);\n\t      length -= holders ? holders.length : 0;\n\t\n\t      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n\t        var partialsRight = partials,\n\t            holdersRight = holders;\n\t\n\t        partials = holders = undefined;\n\t      }\n\t      var data = isBindKey ? undefined : getData(func);\n\t\n\t      var newData = [\n\t        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n\t        argPos, ary, arity\n\t      ];\n\t\n\t      if (data) {\n\t        mergeData(newData, data);\n\t      }\n\t      func = newData[0];\n\t      bitmask = newData[1];\n\t      thisArg = newData[2];\n\t      partials = newData[3];\n\t      holders = newData[4];\n\t      arity = newData[9] = newData[9] === undefined\n\t        ? (isBindKey ? 0 : func.length)\n\t        : nativeMax(newData[9] - length, 0);\n\t\n\t      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n\t        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n\t      }\n\t      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n\t        var result = createBind(func, bitmask, thisArg);\n\t      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n\t        result = createCurry(func, bitmask, arity);\n\t      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n\t        result = createPartial(func, bitmask, thisArg, partials);\n\t      } else {\n\t        result = createHybrid.apply(undefined, newData);\n\t      }\n\t      var setter = data ? baseSetData : setData;\n\t      return setWrapToString(setter(result, newData), func, bitmask);\n\t    }\n\t\n\t    /**\n\t     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n\t     * of source objects to the destination object for all destination properties\n\t     * that resolve to `undefined`.\n\t     *\n\t     * @private\n\t     * @param {*} objValue The destination value.\n\t     * @param {*} srcValue The source value.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {Object} object The parent object of `objValue`.\n\t     * @returns {*} Returns the value to assign.\n\t     */\n\t    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n\t      if (objValue === undefined ||\n\t          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n\t        return srcValue;\n\t      }\n\t      return objValue;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n\t     * objects into destination objects that are passed thru.\n\t     *\n\t     * @private\n\t     * @param {*} objValue The destination value.\n\t     * @param {*} srcValue The source value.\n\t     * @param {string} key The key of the property to merge.\n\t     * @param {Object} object The parent object of `objValue`.\n\t     * @param {Object} source The parent object of `srcValue`.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     * @returns {*} Returns the value to assign.\n\t     */\n\t    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n\t      if (isObject(objValue) && isObject(srcValue)) {\n\t        // Recursively merge objects and arrays (susceptible to call stack limits).\n\t        stack.set(srcValue, objValue);\n\t        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n\t        stack['delete'](srcValue);\n\t      }\n\t      return objValue;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n\t     * objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @param {string} key The key of the property to inspect.\n\t     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n\t     */\n\t    function customOmitClone(value) {\n\t      return isPlainObject(value) ? undefined : value;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for arrays with support for\n\t     * partial deep comparisons.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to compare.\n\t     * @param {Array} other The other array to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `array` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n\t     */\n\t    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n\t      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n\t          arrLength = array.length,\n\t          othLength = other.length;\n\t\n\t      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n\t        return false;\n\t      }\n\t      // Assume cyclic values are equal.\n\t      var stacked = stack.get(array);\n\t      if (stacked && stack.get(other)) {\n\t        return stacked == other;\n\t      }\n\t      var index = -1,\n\t          result = true,\n\t          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\t\n\t      stack.set(array, other);\n\t      stack.set(other, array);\n\t\n\t      // Ignore non-index properties.\n\t      while (++index < arrLength) {\n\t        var arrValue = array[index],\n\t            othValue = other[index];\n\t\n\t        if (customizer) {\n\t          var compared = isPartial\n\t            ? customizer(othValue, arrValue, index, other, array, stack)\n\t            : customizer(arrValue, othValue, index, array, other, stack);\n\t        }\n\t        if (compared !== undefined) {\n\t          if (compared) {\n\t            continue;\n\t          }\n\t          result = false;\n\t          break;\n\t        }\n\t        // Recursively compare arrays (susceptible to call stack limits).\n\t        if (seen) {\n\t          if (!arraySome(other, function(othValue, othIndex) {\n\t                if (!cacheHas(seen, othIndex) &&\n\t                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n\t                  return seen.push(othIndex);\n\t                }\n\t              })) {\n\t            result = false;\n\t            break;\n\t          }\n\t        } else if (!(\n\t              arrValue === othValue ||\n\t                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n\t            )) {\n\t          result = false;\n\t          break;\n\t        }\n\t      }\n\t      stack['delete'](array);\n\t      stack['delete'](other);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for comparing objects of\n\t     * the same `toStringTag`.\n\t     *\n\t     * **Note:** This function only supports comparing values with tags of\n\t     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {string} tag The `toStringTag` of the objects to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n\t      switch (tag) {\n\t        case dataViewTag:\n\t          if ((object.byteLength != other.byteLength) ||\n\t              (object.byteOffset != other.byteOffset)) {\n\t            return false;\n\t          }\n\t          object = object.buffer;\n\t          other = other.buffer;\n\t\n\t        case arrayBufferTag:\n\t          if ((object.byteLength != other.byteLength) ||\n\t              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n\t            return false;\n\t          }\n\t          return true;\n\t\n\t        case boolTag:\n\t        case dateTag:\n\t        case numberTag:\n\t          // Coerce booleans to `1` or `0` and dates to milliseconds.\n\t          // Invalid dates are coerced to `NaN`.\n\t          return eq(+object, +other);\n\t\n\t        case errorTag:\n\t          return object.name == other.name && object.message == other.message;\n\t\n\t        case regexpTag:\n\t        case stringTag:\n\t          // Coerce regexes to strings and treat strings, primitives and objects,\n\t          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n\t          // for more details.\n\t          return object == (other + '');\n\t\n\t        case mapTag:\n\t          var convert = mapToArray;\n\t\n\t        case setTag:\n\t          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n\t          convert || (convert = setToArray);\n\t\n\t          if (object.size != other.size && !isPartial) {\n\t            return false;\n\t          }\n\t          // Assume cyclic values are equal.\n\t          var stacked = stack.get(object);\n\t          if (stacked) {\n\t            return stacked == other;\n\t          }\n\t          bitmask |= COMPARE_UNORDERED_FLAG;\n\t\n\t          // Recursively compare objects (susceptible to call stack limits).\n\t          stack.set(object, other);\n\t          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n\t          stack['delete'](object);\n\t          return result;\n\t\n\t        case symbolTag:\n\t          if (symbolValueOf) {\n\t            return symbolValueOf.call(object) == symbolValueOf.call(other);\n\t          }\n\t      }\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for objects with support for\n\t     * partial deep comparisons.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n\t      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n\t          objProps = getAllKeys(object),\n\t          objLength = objProps.length,\n\t          othProps = getAllKeys(other),\n\t          othLength = othProps.length;\n\t\n\t      if (objLength != othLength && !isPartial) {\n\t        return false;\n\t      }\n\t      var index = objLength;\n\t      while (index--) {\n\t        var key = objProps[index];\n\t        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n\t          return false;\n\t        }\n\t      }\n\t      // Assume cyclic values are equal.\n\t      var stacked = stack.get(object);\n\t      if (stacked && stack.get(other)) {\n\t        return stacked == other;\n\t      }\n\t      var result = true;\n\t      stack.set(object, other);\n\t      stack.set(other, object);\n\t\n\t      var skipCtor = isPartial;\n\t      while (++index < objLength) {\n\t        key = objProps[index];\n\t        var objValue = object[key],\n\t            othValue = other[key];\n\t\n\t        if (customizer) {\n\t          var compared = isPartial\n\t            ? customizer(othValue, objValue, key, other, object, stack)\n\t            : customizer(objValue, othValue, key, object, other, stack);\n\t        }\n\t        // Recursively compare objects (susceptible to call stack limits).\n\t        if (!(compared === undefined\n\t              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n\t              : compared\n\t            )) {\n\t          result = false;\n\t          break;\n\t        }\n\t        skipCtor || (skipCtor = key == 'constructor');\n\t      }\n\t      if (result && !skipCtor) {\n\t        var objCtor = object.constructor,\n\t            othCtor = other.constructor;\n\t\n\t        // Non `Object` object instances with different constructors are not equal.\n\t        if (objCtor != othCtor &&\n\t            ('constructor' in object && 'constructor' in other) &&\n\t            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n\t              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n\t          result = false;\n\t        }\n\t      }\n\t      stack['delete'](object);\n\t      stack['delete'](other);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseRest` which flattens the rest array.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function flatRest(func) {\n\t      return setToString(overRest(func, undefined, flatten), func + '');\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own enumerable property names and symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function getAllKeys(object) {\n\t      return baseGetAllKeys(object, keys, getSymbols);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own and inherited enumerable property names and\n\t     * symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function getAllKeysIn(object) {\n\t      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n\t    }\n\t\n\t    /**\n\t     * Gets metadata for `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to query.\n\t     * @returns {*} Returns the metadata for `func`.\n\t     */\n\t    var getData = !metaMap ? noop : function(func) {\n\t      return metaMap.get(func);\n\t    };\n\t\n\t    /**\n\t     * Gets the name of `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to query.\n\t     * @returns {string} Returns the function name.\n\t     */\n\t    function getFuncName(func) {\n\t      var result = (func.name + ''),\n\t          array = realNames[result],\n\t          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\t\n\t      while (length--) {\n\t        var data = array[length],\n\t            otherFunc = data.func;\n\t        if (otherFunc == null || otherFunc == func) {\n\t          return data.name;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the argument placeholder value for `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to inspect.\n\t     * @returns {*} Returns the placeholder value.\n\t     */\n\t    function getHolder(func) {\n\t      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n\t      return object.placeholder;\n\t    }\n\t\n\t    /**\n\t     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n\t     * this function returns the custom method, otherwise it returns `baseIteratee`.\n\t     * If arguments are provided, the chosen function is invoked with them and\n\t     * its result is returned.\n\t     *\n\t     * @private\n\t     * @param {*} [value] The value to convert to an iteratee.\n\t     * @param {number} [arity] The arity of the created iteratee.\n\t     * @returns {Function} Returns the chosen function or its result.\n\t     */\n\t    function getIteratee() {\n\t      var result = lodash.iteratee || iteratee;\n\t      result = result === iteratee ? baseIteratee : result;\n\t      return arguments.length ? result(arguments[0], arguments[1]) : result;\n\t    }\n\t\n\t    /**\n\t     * Gets the data for `map`.\n\t     *\n\t     * @private\n\t     * @param {Object} map The map to query.\n\t     * @param {string} key The reference key.\n\t     * @returns {*} Returns the map data.\n\t     */\n\t    function getMapData(map, key) {\n\t      var data = map.__data__;\n\t      return isKeyable(key)\n\t        ? data[typeof key == 'string' ? 'string' : 'hash']\n\t        : data.map;\n\t    }\n\t\n\t    /**\n\t     * Gets the property names, values, and compare flags of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the match data of `object`.\n\t     */\n\t    function getMatchData(object) {\n\t      var result = keys(object),\n\t          length = result.length;\n\t\n\t      while (length--) {\n\t        var key = result[length],\n\t            value = object[key];\n\t\n\t        result[length] = [key, value, isStrictComparable(value)];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the native function at `key` of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {string} key The key of the method to get.\n\t     * @returns {*} Returns the function if it's native, else `undefined`.\n\t     */\n\t    function getNative(object, key) {\n\t      var value = getValue(object, key);\n\t      return baseIsNative(value) ? value : undefined;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the raw `toStringTag`.\n\t     */\n\t    function getRawTag(value) {\n\t      var isOwn = hasOwnProperty.call(value, symToStringTag),\n\t          tag = value[symToStringTag];\n\t\n\t      try {\n\t        value[symToStringTag] = undefined;\n\t        var unmasked = true;\n\t      } catch (e) {}\n\t\n\t      var result = nativeObjectToString.call(value);\n\t      if (unmasked) {\n\t        if (isOwn) {\n\t          value[symToStringTag] = tag;\n\t        } else {\n\t          delete value[symToStringTag];\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own enumerable symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of symbols.\n\t     */\n\t    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n\t      if (object == null) {\n\t        return [];\n\t      }\n\t      object = Object(object);\n\t      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n\t        return propertyIsEnumerable.call(object, symbol);\n\t      });\n\t    };\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of symbols.\n\t     */\n\t    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n\t      var result = [];\n\t      while (object) {\n\t        arrayPush(result, getSymbols(object));\n\t        object = getPrototype(object);\n\t      }\n\t      return result;\n\t    };\n\t\n\t    /**\n\t     * Gets the `toStringTag` of `value`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the `toStringTag`.\n\t     */\n\t    var getTag = baseGetTag;\n\t\n\t    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n\t    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n\t        (Map && getTag(new Map) != mapTag) ||\n\t        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n\t        (Set && getTag(new Set) != setTag) ||\n\t        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n\t      getTag = function(value) {\n\t        var result = baseGetTag(value),\n\t            Ctor = result == objectTag ? value.constructor : undefined,\n\t            ctorString = Ctor ? toSource(Ctor) : '';\n\t\n\t        if (ctorString) {\n\t          switch (ctorString) {\n\t            case dataViewCtorString: return dataViewTag;\n\t            case mapCtorString: return mapTag;\n\t            case promiseCtorString: return promiseTag;\n\t            case setCtorString: return setTag;\n\t            case weakMapCtorString: return weakMapTag;\n\t          }\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n\t     *\n\t     * @private\n\t     * @param {number} start The start of the view.\n\t     * @param {number} end The end of the view.\n\t     * @param {Array} transforms The transformations to apply to the view.\n\t     * @returns {Object} Returns an object containing the `start` and `end`\n\t     *  positions of the view.\n\t     */\n\t    function getView(start, end, transforms) {\n\t      var index = -1,\n\t          length = transforms.length;\n\t\n\t      while (++index < length) {\n\t        var data = transforms[index],\n\t            size = data.size;\n\t\n\t        switch (data.type) {\n\t          case 'drop':      start += size; break;\n\t          case 'dropRight': end -= size; break;\n\t          case 'take':      end = nativeMin(end, start + size); break;\n\t          case 'takeRight': start = nativeMax(start, end - size); break;\n\t        }\n\t      }\n\t      return { 'start': start, 'end': end };\n\t    }\n\t\n\t    /**\n\t     * Extracts wrapper details from the `source` body comment.\n\t     *\n\t     * @private\n\t     * @param {string} source The source to inspect.\n\t     * @returns {Array} Returns the wrapper details.\n\t     */\n\t    function getWrapDetails(source) {\n\t      var match = source.match(reWrapDetails);\n\t      return match ? match[1].split(reSplitDetails) : [];\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` exists on `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @param {Function} hasFunc The function to check properties.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     */\n\t    function hasPath(object, path, hasFunc) {\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length,\n\t          result = false;\n\t\n\t      while (++index < length) {\n\t        var key = toKey(path[index]);\n\t        if (!(result = object != null && hasFunc(object, key))) {\n\t          break;\n\t        }\n\t        object = object[key];\n\t      }\n\t      if (result || ++index != length) {\n\t        return result;\n\t      }\n\t      length = object == null ? 0 : object.length;\n\t      return !!length && isLength(length) && isIndex(key, length) &&\n\t        (isArray(object) || isArguments(object));\n\t    }\n\t\n\t    /**\n\t     * Initializes an array clone.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to clone.\n\t     * @returns {Array} Returns the initialized clone.\n\t     */\n\t    function initCloneArray(array) {\n\t      var length = array.length,\n\t          result = array.constructor(length);\n\t\n\t      // Add properties assigned by `RegExp#exec`.\n\t      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n\t        result.index = array.index;\n\t        result.input = array.input;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Initializes an object clone.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to clone.\n\t     * @returns {Object} Returns the initialized clone.\n\t     */\n\t    function initCloneObject(object) {\n\t      return (typeof object.constructor == 'function' && !isPrototype(object))\n\t        ? baseCreate(getPrototype(object))\n\t        : {};\n\t    }\n\t\n\t    /**\n\t     * Initializes an object clone based on its `toStringTag`.\n\t     *\n\t     * **Note:** This function only supports cloning values with tags of\n\t     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to clone.\n\t     * @param {string} tag The `toStringTag` of the object to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the initialized clone.\n\t     */\n\t    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n\t      var Ctor = object.constructor;\n\t      switch (tag) {\n\t        case arrayBufferTag:\n\t          return cloneArrayBuffer(object);\n\t\n\t        case boolTag:\n\t        case dateTag:\n\t          return new Ctor(+object);\n\t\n\t        case dataViewTag:\n\t          return cloneDataView(object, isDeep);\n\t\n\t        case float32Tag: case float64Tag:\n\t        case int8Tag: case int16Tag: case int32Tag:\n\t        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n\t          return cloneTypedArray(object, isDeep);\n\t\n\t        case mapTag:\n\t          return cloneMap(object, isDeep, cloneFunc);\n\t\n\t        case numberTag:\n\t        case stringTag:\n\t          return new Ctor(object);\n\t\n\t        case regexpTag:\n\t          return cloneRegExp(object);\n\t\n\t        case setTag:\n\t          return cloneSet(object, isDeep, cloneFunc);\n\t\n\t        case symbolTag:\n\t          return cloneSymbol(object);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Inserts wrapper `details` in a comment at the top of the `source` body.\n\t     *\n\t     * @private\n\t     * @param {string} source The source to modify.\n\t     * @returns {Array} details The details to insert.\n\t     * @returns {string} Returns the modified source.\n\t     */\n\t    function insertWrapDetails(source, details) {\n\t      var length = details.length;\n\t      if (!length) {\n\t        return source;\n\t      }\n\t      var lastIndex = length - 1;\n\t      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n\t      details = details.join(length > 2 ? ', ' : ' ');\n\t      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a flattenable `arguments` object or array.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n\t     */\n\t    function isFlattenable(value) {\n\t      return isArray(value) || isArguments(value) ||\n\t        !!(spreadableSymbol && value && value[spreadableSymbol]);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a valid array-like index.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n\t     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n\t     */\n\t    function isIndex(value, length) {\n\t      length = length == null ? MAX_SAFE_INTEGER : length;\n\t      return !!length &&\n\t        (typeof value == 'number' || reIsUint.test(value)) &&\n\t        (value > -1 && value % 1 == 0 && value < length);\n\t    }\n\t\n\t    /**\n\t     * Checks if the given arguments are from an iteratee call.\n\t     *\n\t     * @private\n\t     * @param {*} value The potential iteratee value argument.\n\t     * @param {*} index The potential iteratee index or key argument.\n\t     * @param {*} object The potential iteratee object argument.\n\t     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n\t     *  else `false`.\n\t     */\n\t    function isIterateeCall(value, index, object) {\n\t      if (!isObject(object)) {\n\t        return false;\n\t      }\n\t      var type = typeof index;\n\t      if (type == 'number'\n\t            ? (isArrayLike(object) && isIndex(index, object.length))\n\t            : (type == 'string' && index in object)\n\t          ) {\n\t        return eq(object[index], value);\n\t      }\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a property name and not a property path.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @param {Object} [object] The object to query keys on.\n\t     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n\t     */\n\t    function isKey(value, object) {\n\t      if (isArray(value)) {\n\t        return false;\n\t      }\n\t      var type = typeof value;\n\t      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n\t          value == null || isSymbol(value)) {\n\t        return true;\n\t      }\n\t      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n\t        (object != null && value in Object(object));\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is suitable for use as unique object key.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n\t     */\n\t    function isKeyable(value) {\n\t      var type = typeof value;\n\t      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n\t        ? (value !== '__proto__')\n\t        : (value === null);\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` has a lazy counterpart.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to check.\n\t     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n\t     *  else `false`.\n\t     */\n\t    function isLaziable(func) {\n\t      var funcName = getFuncName(func),\n\t          other = lodash[funcName];\n\t\n\t      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n\t        return false;\n\t      }\n\t      if (func === other) {\n\t        return true;\n\t      }\n\t      var data = getData(other);\n\t      return !!data && func === data[0];\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` has its source masked.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to check.\n\t     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n\t     */\n\t    function isMasked(func) {\n\t      return !!maskSrcKey && (maskSrcKey in func);\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` is capable of being masked.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n\t     */\n\t    var isMaskable = coreJsData ? isFunction : stubFalse;\n\t\n\t    /**\n\t     * Checks if `value` is likely a prototype object.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n\t     */\n\t    function isPrototype(value) {\n\t      var Ctor = value && value.constructor,\n\t          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\t\n\t      return value === proto;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` if suitable for strict\n\t     *  equality comparisons, else `false`.\n\t     */\n\t    function isStrictComparable(value) {\n\t      return value === value && !isObject(value);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `matchesProperty` for source values suitable\n\t     * for strict equality comparisons, i.e. `===`.\n\t     *\n\t     * @private\n\t     * @param {string} key The key of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function matchesStrictComparable(key, srcValue) {\n\t      return function(object) {\n\t        if (object == null) {\n\t          return false;\n\t        }\n\t        return object[key] === srcValue &&\n\t          (srcValue !== undefined || (key in Object(object)));\n\t      };\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.memoize` which clears the memoized function's\n\t     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to have its output memoized.\n\t     * @returns {Function} Returns the new memoized function.\n\t     */\n\t    function memoizeCapped(func) {\n\t      var result = memoize(func, function(key) {\n\t        if (cache.size === MAX_MEMOIZE_SIZE) {\n\t          cache.clear();\n\t        }\n\t        return key;\n\t      });\n\t\n\t      var cache = result.cache;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Merges the function metadata of `source` into `data`.\n\t     *\n\t     * Merging metadata reduces the number of wrappers used to invoke a function.\n\t     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n\t     * may be applied regardless of execution order. Methods like `_.ary` and\n\t     * `_.rearg` modify function arguments, making the order in which they are\n\t     * executed important, preventing the merging of metadata. However, we make\n\t     * an exception for a safe combined case where curried functions have `_.ary`\n\t     * and or `_.rearg` applied.\n\t     *\n\t     * @private\n\t     * @param {Array} data The destination metadata.\n\t     * @param {Array} source The source metadata.\n\t     * @returns {Array} Returns `data`.\n\t     */\n\t    function mergeData(data, source) {\n\t      var bitmask = data[1],\n\t          srcBitmask = source[1],\n\t          newBitmask = bitmask | srcBitmask,\n\t          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\t\n\t      var isCombo =\n\t        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n\t        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n\t        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\t\n\t      // Exit early if metadata can't be merged.\n\t      if (!(isCommon || isCombo)) {\n\t        return data;\n\t      }\n\t      // Use source `thisArg` if available.\n\t      if (srcBitmask & WRAP_BIND_FLAG) {\n\t        data[2] = source[2];\n\t        // Set when currying a bound function.\n\t        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n\t      }\n\t      // Compose partial arguments.\n\t      var value = source[3];\n\t      if (value) {\n\t        var partials = data[3];\n\t        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n\t        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n\t      }\n\t      // Compose partial right arguments.\n\t      value = source[5];\n\t      if (value) {\n\t        partials = data[5];\n\t        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n\t        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n\t      }\n\t      // Use source `argPos` if available.\n\t      value = source[7];\n\t      if (value) {\n\t        data[7] = value;\n\t      }\n\t      // Use source `ary` if it's smaller.\n\t      if (srcBitmask & WRAP_ARY_FLAG) {\n\t        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n\t      }\n\t      // Use source `arity` if one is not provided.\n\t      if (data[9] == null) {\n\t        data[9] = source[9];\n\t      }\n\t      // Use source `func` and merge bitmasks.\n\t      data[0] = source[0];\n\t      data[1] = newBitmask;\n\t\n\t      return data;\n\t    }\n\t\n\t    /**\n\t     * This function is like\n\t     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n\t     * except that it includes inherited enumerable properties.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function nativeKeysIn(object) {\n\t      var result = [];\n\t      if (object != null) {\n\t        for (var key in Object(object)) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a string using `Object.prototype.toString`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to convert.\n\t     * @returns {string} Returns the converted string.\n\t     */\n\t    function objectToString(value) {\n\t      return nativeObjectToString.call(value);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseRest` which transforms the rest array.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @param {Function} transform The rest array transform.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function overRest(func, start, transform) {\n\t      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n\t      return function() {\n\t        var args = arguments,\n\t            index = -1,\n\t            length = nativeMax(args.length - start, 0),\n\t            array = Array(length);\n\t\n\t        while (++index < length) {\n\t          array[index] = args[start + index];\n\t        }\n\t        index = -1;\n\t        var otherArgs = Array(start + 1);\n\t        while (++index < start) {\n\t          otherArgs[index] = args[index];\n\t        }\n\t        otherArgs[start] = transform(array);\n\t        return apply(func, this, otherArgs);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Gets the parent value at `path` of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array} path The path to get the parent value of.\n\t     * @returns {*} Returns the parent value.\n\t     */\n\t    function parent(object, path) {\n\t      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n\t    }\n\t\n\t    /**\n\t     * Reorder `array` according to the specified indexes where the element at\n\t     * the first index is assigned as the first element, the element at\n\t     * the second index is assigned as the second element, and so on.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to reorder.\n\t     * @param {Array} indexes The arranged array indexes.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function reorder(array, indexes) {\n\t      var arrLength = array.length,\n\t          length = nativeMin(indexes.length, arrLength),\n\t          oldArray = copyArray(array);\n\t\n\t      while (length--) {\n\t        var index = indexes[length];\n\t        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Sets metadata for `func`.\n\t     *\n\t     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n\t     * period of time, it will trip its breaker and transition to an identity\n\t     * function to avoid garbage collection pauses in V8. See\n\t     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n\t     * for more details.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to associate metadata with.\n\t     * @param {*} data The metadata.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var setData = shortOut(baseSetData);\n\t\n\t    /**\n\t     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @returns {number|Object} Returns the timer id or timeout object.\n\t     */\n\t    var setTimeout = ctxSetTimeout || function(func, wait) {\n\t      return root.setTimeout(func, wait);\n\t    };\n\t\n\t    /**\n\t     * Sets the `toString` method of `func` to return `string`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to modify.\n\t     * @param {Function} string The `toString` result.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var setToString = shortOut(baseSetToString);\n\t\n\t    /**\n\t     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n\t     * with wrapper details in a comment at the top of the source body.\n\t     *\n\t     * @private\n\t     * @param {Function} wrapper The function to modify.\n\t     * @param {Function} reference The reference function.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @returns {Function} Returns `wrapper`.\n\t     */\n\t    function setWrapToString(wrapper, reference, bitmask) {\n\t      var source = (reference + '');\n\t      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that'll short out and invoke `identity` instead\n\t     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n\t     * milliseconds.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new shortable function.\n\t     */\n\t    function shortOut(func) {\n\t      var count = 0,\n\t          lastCalled = 0;\n\t\n\t      return function() {\n\t        var stamp = nativeNow(),\n\t            remaining = HOT_SPAN - (stamp - lastCalled);\n\t\n\t        lastCalled = stamp;\n\t        if (remaining > 0) {\n\t          if (++count >= HOT_COUNT) {\n\t            return arguments[0];\n\t          }\n\t        } else {\n\t          count = 0;\n\t        }\n\t        return func.apply(undefined, arguments);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to shuffle.\n\t     * @param {number} [size=array.length] The size of `array`.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function shuffleSelf(array, size) {\n\t      var index = -1,\n\t          length = array.length,\n\t          lastIndex = length - 1;\n\t\n\t      size = size === undefined ? length : size;\n\t      while (++index < size) {\n\t        var rand = baseRandom(index, lastIndex),\n\t            value = array[rand];\n\t\n\t        array[rand] = array[index];\n\t        array[index] = value;\n\t      }\n\t      array.length = size;\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to a property path array.\n\t     *\n\t     * @private\n\t     * @param {string} string The string to convert.\n\t     * @returns {Array} Returns the property path array.\n\t     */\n\t    var stringToPath = memoizeCapped(function(string) {\n\t      var result = [];\n\t      if (reLeadingDot.test(string)) {\n\t        result.push('');\n\t      }\n\t      string.replace(rePropName, function(match, number, quote, string) {\n\t        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n\t      });\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Converts `value` to a string key if it's not a string or symbol.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {string|symbol} Returns the key.\n\t     */\n\t    function toKey(value) {\n\t      if (typeof value == 'string' || isSymbol(value)) {\n\t        return value;\n\t      }\n\t      var result = (value + '');\n\t      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t    }\n\t\n\t    /**\n\t     * Converts `func` to its source code.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to convert.\n\t     * @returns {string} Returns the source code.\n\t     */\n\t    function toSource(func) {\n\t      if (func != null) {\n\t        try {\n\t          return funcToString.call(func);\n\t        } catch (e) {}\n\t        try {\n\t          return (func + '');\n\t        } catch (e) {}\n\t      }\n\t      return '';\n\t    }\n\t\n\t    /**\n\t     * Updates wrapper `details` based on `bitmask` flags.\n\t     *\n\t     * @private\n\t     * @returns {Array} details The details to modify.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @returns {Array} Returns `details`.\n\t     */\n\t    function updateWrapDetails(details, bitmask) {\n\t      arrayEach(wrapFlags, function(pair) {\n\t        var value = '_.' + pair[0];\n\t        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n\t          details.push(value);\n\t        }\n\t      });\n\t      return details.sort();\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `wrapper`.\n\t     *\n\t     * @private\n\t     * @param {Object} wrapper The wrapper to clone.\n\t     * @returns {Object} Returns the cloned wrapper.\n\t     */\n\t    function wrapperClone(wrapper) {\n\t      if (wrapper instanceof LazyWrapper) {\n\t        return wrapper.clone();\n\t      }\n\t      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n\t      result.__actions__ = copyArray(wrapper.__actions__);\n\t      result.__index__  = wrapper.__index__;\n\t      result.__values__ = wrapper.__values__;\n\t      return result;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an array of elements split into groups the length of `size`.\n\t     * If `array` can't be split evenly, the final chunk will be the remaining\n\t     * elements.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to process.\n\t     * @param {number} [size=1] The length of each chunk\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the new array of chunks.\n\t     * @example\n\t     *\n\t     * _.chunk(['a', 'b', 'c', 'd'], 2);\n\t     * // => [['a', 'b'], ['c', 'd']]\n\t     *\n\t     * _.chunk(['a', 'b', 'c', 'd'], 3);\n\t     * // => [['a', 'b', 'c'], ['d']]\n\t     */\n\t    function chunk(array, size, guard) {\n\t      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n\t        size = 1;\n\t      } else {\n\t        size = nativeMax(toInteger(size), 0);\n\t      }\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length || size < 1) {\n\t        return [];\n\t      }\n\t      var index = 0,\n\t          resIndex = 0,\n\t          result = Array(nativeCeil(length / size));\n\t\n\t      while (index < length) {\n\t        result[resIndex++] = baseSlice(array, index, (index += size));\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an array with all falsey values removed. The values `false`, `null`,\n\t     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to compact.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.compact([0, 1, false, 2, '', 3]);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function compact(array) {\n\t      var index = -1,\n\t          length = array == null ? 0 : array.length,\n\t          resIndex = 0,\n\t          result = [];\n\t\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (value) {\n\t          result[resIndex++] = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a new array concatenating `array` with any additional arrays\n\t     * and/or values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to concatenate.\n\t     * @param {...*} [values] The values to concatenate.\n\t     * @returns {Array} Returns the new concatenated array.\n\t     * @example\n\t     *\n\t     * var array = [1];\n\t     * var other = _.concat(array, 2, [3], [[4]]);\n\t     *\n\t     * console.log(other);\n\t     * // => [1, 2, 3, [4]]\n\t     *\n\t     * console.log(array);\n\t     * // => [1]\n\t     */\n\t    function concat() {\n\t      var length = arguments.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      var args = Array(length - 1),\n\t          array = arguments[0],\n\t          index = length;\n\t\n\t      while (index--) {\n\t        args[index - 1] = arguments[index];\n\t      }\n\t      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of `array` values not included in the other given arrays\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. The order and references of result values are\n\t     * determined by the first array.\n\t     *\n\t     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.without, _.xor\n\t     * @example\n\t     *\n\t     * _.difference([2, 1], [2, 3]);\n\t     * // => [1]\n\t     */\n\t    var difference = baseRest(function(array, values) {\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.difference` except that it accepts `iteratee` which\n\t     * is invoked for each element of `array` and `values` to generate the criterion\n\t     * by which they're compared. The order and references of result values are\n\t     * determined by the first array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    var differenceBy = baseRest(function(array, values) {\n\t      var iteratee = last(values);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.difference` except that it accepts `comparator`\n\t     * which is invoked to compare elements of `array` to `values`. The order and\n\t     * references of result values are determined by the first array. The comparator\n\t     * is invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     *\n\t     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n\t     * // => [{ 'x': 2, 'y': 1 }]\n\t     */\n\t    var differenceWith = baseRest(function(array, values) {\n\t      var comparator = last(values);\n\t      if (isArrayLikeObject(comparator)) {\n\t        comparator = undefined;\n\t      }\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements dropped from the beginning.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to drop.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.drop([1, 2, 3]);\n\t     * // => [2, 3]\n\t     *\n\t     * _.drop([1, 2, 3], 2);\n\t     * // => [3]\n\t     *\n\t     * _.drop([1, 2, 3], 5);\n\t     * // => []\n\t     *\n\t     * _.drop([1, 2, 3], 0);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function drop(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      return baseSlice(array, n < 0 ? 0 : n, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements dropped from the end.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to drop.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.dropRight([1, 2, 3]);\n\t     * // => [1, 2]\n\t     *\n\t     * _.dropRight([1, 2, 3], 2);\n\t     * // => [1]\n\t     *\n\t     * _.dropRight([1, 2, 3], 5);\n\t     * // => []\n\t     *\n\t     * _.dropRight([1, 2, 3], 0);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function dropRight(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      n = length - n;\n\t      return baseSlice(array, 0, n < 0 ? 0 : n);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` excluding elements dropped from the end.\n\t     * Elements are dropped until `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.dropRightWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.dropRightWhile(users, ['active', false]);\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.dropRightWhile(users, 'active');\n\t     * // => objects for ['barney', 'fred', 'pebbles']\n\t     */\n\t    function dropRightWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` excluding elements dropped from the beginning.\n\t     * Elements are dropped until `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.dropWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.dropWhile(users, ['active', false]);\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.dropWhile(users, 'active');\n\t     * // => objects for ['barney', 'fred', 'pebbles']\n\t     */\n\t    function dropWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Fills elements of `array` with `value` from `start` up to, but not\n\t     * including, `end`.\n\t     *\n\t     * **Note:** This method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Array\n\t     * @param {Array} array The array to fill.\n\t     * @param {*} value The value to fill `array` with.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _.fill(array, 'a');\n\t     * console.log(array);\n\t     * // => ['a', 'a', 'a']\n\t     *\n\t     * _.fill(Array(3), 2);\n\t     * // => [2, 2, 2]\n\t     *\n\t     * _.fill([4, 6, 8, 10], '*', 1, 3);\n\t     * // => [4, '*', '*', 10]\n\t     */\n\t    function fill(array, value, start, end) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n\t        start = 0;\n\t        end = length;\n\t      }\n\t      return baseFill(array, value, start, end);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.find` except that it returns the index of the first\n\t     * element `predicate` returns truthy for instead of the element itself.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {number} Returns the index of the found element, else `-1`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n\t     * // => 0\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findIndex(users, { 'user': 'fred', 'active': false });\n\t     * // => 1\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findIndex(users, ['active', false]);\n\t     * // => 0\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findIndex(users, 'active');\n\t     * // => 2\n\t     */\n\t    function findIndex(array, predicate, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\t      if (index < 0) {\n\t        index = nativeMax(length + index, 0);\n\t      }\n\t      return baseFindIndex(array, getIteratee(predicate, 3), index);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.findIndex` except that it iterates over elements\n\t     * of `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=array.length-1] The index to search from.\n\t     * @returns {number} Returns the index of the found element, else `-1`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n\t     * // => 2\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n\t     * // => 0\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findLastIndex(users, ['active', false]);\n\t     * // => 2\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findLastIndex(users, 'active');\n\t     * // => 0\n\t     */\n\t    function findLastIndex(array, predicate, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = length - 1;\n\t      if (fromIndex !== undefined) {\n\t        index = toInteger(fromIndex);\n\t        index = fromIndex < 0\n\t          ? nativeMax(length + index, 0)\n\t          : nativeMin(index, length - 1);\n\t      }\n\t      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n\t    }\n\t\n\t    /**\n\t     * Flattens `array` a single level deep.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * _.flatten([1, [2, [3, [4]], 5]]);\n\t     * // => [1, 2, [3, [4]], 5]\n\t     */\n\t    function flatten(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseFlatten(array, 1) : [];\n\t    }\n\t\n\t    /**\n\t     * Recursively flattens `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n\t     * // => [1, 2, 3, 4, 5]\n\t     */\n\t    function flattenDeep(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseFlatten(array, INFINITY) : [];\n\t    }\n\t\n\t    /**\n\t     * Recursively flatten `array` up to `depth` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.4.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @param {number} [depth=1] The maximum recursion depth.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * var array = [1, [2, [3, [4]], 5]];\n\t     *\n\t     * _.flattenDepth(array, 1);\n\t     * // => [1, 2, [3, [4]], 5]\n\t     *\n\t     * _.flattenDepth(array, 2);\n\t     * // => [1, 2, 3, [4], 5]\n\t     */\n\t    function flattenDepth(array, depth) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      depth = depth === undefined ? 1 : toInteger(depth);\n\t      return baseFlatten(array, depth);\n\t    }\n\t\n\t    /**\n\t     * The inverse of `_.toPairs`; this method returns an object composed\n\t     * from key-value `pairs`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} pairs The key-value pairs.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.fromPairs([['a', 1], ['b', 2]]);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    function fromPairs(pairs) {\n\t      var index = -1,\n\t          length = pairs == null ? 0 : pairs.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var pair = pairs[index];\n\t        result[pair[0]] = pair[1];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the first element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias first\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {*} Returns the first element of `array`.\n\t     * @example\n\t     *\n\t     * _.head([1, 2, 3]);\n\t     * // => 1\n\t     *\n\t     * _.head([]);\n\t     * // => undefined\n\t     */\n\t    function head(array) {\n\t      return (array && array.length) ? array[0] : undefined;\n\t    }\n\t\n\t    /**\n\t     * Gets the index at which the first occurrence of `value` is found in `array`\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. If `fromIndex` is negative, it's used as the\n\t     * offset from the end of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.indexOf([1, 2, 1, 2], 2);\n\t     * // => 1\n\t     *\n\t     * // Search from the `fromIndex`.\n\t     * _.indexOf([1, 2, 1, 2], 2, 2);\n\t     * // => 3\n\t     */\n\t    function indexOf(array, value, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\t      if (index < 0) {\n\t        index = nativeMax(length + index, 0);\n\t      }\n\t      return baseIndexOf(array, value, index);\n\t    }\n\t\n\t    /**\n\t     * Gets all but the last element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.initial([1, 2, 3]);\n\t     * // => [1, 2]\n\t     */\n\t    function initial(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseSlice(array, 0, -1) : [];\n\t    }\n\t\n\t    /**\n\t     * Creates an array of unique values that are included in all given arrays\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. The order and references of result values are\n\t     * determined by the first array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * _.intersection([2, 1], [2, 3]);\n\t     * // => [2]\n\t     */\n\t    var intersection = baseRest(function(arrays) {\n\t      var mapped = arrayMap(arrays, castArrayLikeObject);\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.intersection` except that it accepts `iteratee`\n\t     * which is invoked for each element of each `arrays` to generate the criterion\n\t     * by which they're compared. The order and references of result values are\n\t     * determined by the first array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [2.1]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }]\n\t     */\n\t    var intersectionBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays),\n\t          mapped = arrayMap(arrays, castArrayLikeObject);\n\t\n\t      if (iteratee === last(mapped)) {\n\t        iteratee = undefined;\n\t      } else {\n\t        mapped.pop();\n\t      }\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.intersection` except that it accepts `comparator`\n\t     * which is invoked to compare elements of `arrays`. The order and references\n\t     * of result values are determined by the first array. The comparator is\n\t     * invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.intersectionWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }]\n\t     */\n\t    var intersectionWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays),\n\t          mapped = arrayMap(arrays, castArrayLikeObject);\n\t\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      if (comparator) {\n\t        mapped.pop();\n\t      }\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped, undefined, comparator)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Converts all elements in `array` into a string separated by `separator`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to convert.\n\t     * @param {string} [separator=','] The element separator.\n\t     * @returns {string} Returns the joined string.\n\t     * @example\n\t     *\n\t     * _.join(['a', 'b', 'c'], '~');\n\t     * // => 'a~b~c'\n\t     */\n\t    function join(array, separator) {\n\t      return array == null ? '' : nativeJoin.call(array, separator);\n\t    }\n\t\n\t    /**\n\t     * Gets the last element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {*} Returns the last element of `array`.\n\t     * @example\n\t     *\n\t     * _.last([1, 2, 3]);\n\t     * // => 3\n\t     */\n\t    function last(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? array[length - 1] : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.indexOf` except that it iterates over elements of\n\t     * `array` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=array.length-1] The index to search from.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.lastIndexOf([1, 2, 1, 2], 2);\n\t     * // => 3\n\t     *\n\t     * // Search from the `fromIndex`.\n\t     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n\t     * // => 1\n\t     */\n\t    function lastIndexOf(array, value, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = length;\n\t      if (fromIndex !== undefined) {\n\t        index = toInteger(fromIndex);\n\t        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n\t      }\n\t      return value === value\n\t        ? strictLastIndexOf(array, value, index)\n\t        : baseFindIndex(array, baseIsNaN, index, true);\n\t    }\n\t\n\t    /**\n\t     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n\t     * element from the end is returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.11.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=0] The index of the element to return.\n\t     * @returns {*} Returns the nth element of `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'd'];\n\t     *\n\t     * _.nth(array, 1);\n\t     * // => 'b'\n\t     *\n\t     * _.nth(array, -2);\n\t     * // => 'c';\n\t     */\n\t    function nth(array, n) {\n\t      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n\t    }\n\t\n\t    /**\n\t     * Removes all given values from `array` using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n\t     * to remove elements from an array by predicate.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {...*} [values] The values to remove.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n\t     *\n\t     * _.pull(array, 'a', 'c');\n\t     * console.log(array);\n\t     * // => ['b', 'b']\n\t     */\n\t    var pull = baseRest(pullAll);\n\t\n\t    /**\n\t     * This method is like `_.pull` except that it accepts an array of values to remove.\n\t     *\n\t     * **Note:** Unlike `_.difference`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n\t     *\n\t     * _.pullAll(array, ['a', 'c']);\n\t     * console.log(array);\n\t     * // => ['b', 'b']\n\t     */\n\t    function pullAll(array, values) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values)\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n\t     * invoked for each element of `array` and `values` to generate the criterion\n\t     * by which they're compared. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n\t     *\n\t     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n\t     * console.log(array);\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    function pullAllBy(array, values, iteratee) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values, getIteratee(iteratee, 2))\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.pullAll` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `array` to `values`. The comparator is\n\t     * invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n\t     *\n\t     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n\t     * console.log(array);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n\t     */\n\t    function pullAllWith(array, values, comparator) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values, undefined, comparator)\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * Removes elements from `array` corresponding to `indexes` and returns an\n\t     * array of removed elements.\n\t     *\n\t     * **Note:** Unlike `_.at`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n\t     * @returns {Array} Returns the new array of removed elements.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'd'];\n\t     * var pulled = _.pullAt(array, [1, 3]);\n\t     *\n\t     * console.log(array);\n\t     * // => ['a', 'c']\n\t     *\n\t     * console.log(pulled);\n\t     * // => ['b', 'd']\n\t     */\n\t    var pullAt = flatRest(function(array, indexes) {\n\t      var length = array == null ? 0 : array.length,\n\t          result = baseAt(array, indexes);\n\t\n\t      basePullAt(array, arrayMap(indexes, function(index) {\n\t        return isIndex(index, length) ? +index : index;\n\t      }).sort(compareAscending));\n\t\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Removes all elements from `array` that `predicate` returns truthy for\n\t     * and returns an array of the removed elements. The predicate is invoked\n\t     * with three arguments: (value, index, array).\n\t     *\n\t     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n\t     * to pull elements from an array by value.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new array of removed elements.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3, 4];\n\t     * var evens = _.remove(array, function(n) {\n\t     *   return n % 2 == 0;\n\t     * });\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 3]\n\t     *\n\t     * console.log(evens);\n\t     * // => [2, 4]\n\t     */\n\t    function remove(array, predicate) {\n\t      var result = [];\n\t      if (!(array && array.length)) {\n\t        return result;\n\t      }\n\t      var index = -1,\n\t          indexes = [],\n\t          length = array.length;\n\t\n\t      predicate = getIteratee(predicate, 3);\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (predicate(value, index, array)) {\n\t          result.push(value);\n\t          indexes.push(index);\n\t        }\n\t      }\n\t      basePullAt(array, indexes);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Reverses `array` so that the first element becomes the last, the second\n\t     * element becomes the second to last, and so on.\n\t     *\n\t     * **Note:** This method mutates `array` and is based on\n\t     * [`Array#reverse`](https://mdn.io/Array/reverse).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _.reverse(array);\n\t     * // => [3, 2, 1]\n\t     *\n\t     * console.log(array);\n\t     * // => [3, 2, 1]\n\t     */\n\t    function reverse(array) {\n\t      return array == null ? array : nativeReverse.call(array);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` from `start` up to, but not including, `end`.\n\t     *\n\t     * **Note:** This method is used instead of\n\t     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n\t     * returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to slice.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function slice(array, start, end) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n\t        start = 0;\n\t        end = length;\n\t      }\n\t      else {\n\t        start = start == null ? 0 : toInteger(start);\n\t        end = end === undefined ? length : toInteger(end);\n\t      }\n\t      return baseSlice(array, start, end);\n\t    }\n\t\n\t    /**\n\t     * Uses a binary search to determine the lowest index at which `value`\n\t     * should be inserted into `array` in order to maintain its sort order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * _.sortedIndex([30, 50], 40);\n\t     * // => 1\n\t     */\n\t    function sortedIndex(array, value) {\n\t      return baseSortedIndex(array, value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n\t     * which is invoked for `value` and each element of `array` to compute their\n\t     * sort ranking. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n\t     *\n\t     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n\t     * // => 0\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n\t     * // => 0\n\t     */\n\t    function sortedIndexBy(array, value, iteratee) {\n\t      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.indexOf` except that it performs a binary\n\t     * search on a sorted `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n\t     * // => 1\n\t     */\n\t    function sortedIndexOf(array, value) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (length) {\n\t        var index = baseSortedIndex(array, value);\n\t        if (index < length && eq(array[index], value)) {\n\t          return index;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedIndex` except that it returns the highest\n\t     * index at which `value` should be inserted into `array` in order to\n\t     * maintain its sort order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n\t     * // => 4\n\t     */\n\t    function sortedLastIndex(array, value) {\n\t      return baseSortedIndex(array, value, true);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n\t     * which is invoked for `value` and each element of `array` to compute their\n\t     * sort ranking. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n\t     *\n\t     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n\t     * // => 1\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n\t     * // => 1\n\t     */\n\t    function sortedLastIndexBy(array, value, iteratee) {\n\t      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.lastIndexOf` except that it performs a binary\n\t     * search on a sorted `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n\t     * // => 3\n\t     */\n\t    function sortedLastIndexOf(array, value) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (length) {\n\t        var index = baseSortedIndex(array, value, true) - 1;\n\t        if (eq(array[index], value)) {\n\t          return index;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it's designed and optimized\n\t     * for sorted arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.sortedUniq([1, 1, 2]);\n\t     * // => [1, 2]\n\t     */\n\t    function sortedUniq(array) {\n\t      return (array && array.length)\n\t        ? baseSortedUniq(array)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniqBy` except that it's designed and optimized\n\t     * for sorted arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n\t     * // => [1.1, 2.3]\n\t     */\n\t    function sortedUniqBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Gets all but the first element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.tail([1, 2, 3]);\n\t     * // => [2, 3]\n\t     */\n\t    function tail(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseSlice(array, 1, length) : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements taken from the beginning.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to take.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.take([1, 2, 3]);\n\t     * // => [1]\n\t     *\n\t     * _.take([1, 2, 3], 2);\n\t     * // => [1, 2]\n\t     *\n\t     * _.take([1, 2, 3], 5);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * _.take([1, 2, 3], 0);\n\t     * // => []\n\t     */\n\t    function take(array, n, guard) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      return baseSlice(array, 0, n < 0 ? 0 : n);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements taken from the end.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to take.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.takeRight([1, 2, 3]);\n\t     * // => [3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 2);\n\t     * // => [2, 3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 5);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 0);\n\t     * // => []\n\t     */\n\t    function takeRight(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      n = length - n;\n\t      return baseSlice(array, n < 0 ? 0 : n, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with elements taken from the end. Elements are\n\t     * taken until `predicate` returns falsey. The predicate is invoked with\n\t     * three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.takeRightWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.takeRightWhile(users, ['active', false]);\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.takeRightWhile(users, 'active');\n\t     * // => []\n\t     */\n\t    function takeRightWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with elements taken from the beginning. Elements\n\t     * are taken until `predicate` returns falsey. The predicate is invoked with\n\t     * three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.takeWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.takeWhile(users, ['active', false]);\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.takeWhile(users, 'active');\n\t     * // => []\n\t     */\n\t    function takeWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3))\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates an array of unique values, in order, from all given arrays using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * _.union([2], [1, 2]);\n\t     * // => [2, 1]\n\t     */\n\t    var union = baseRest(function(arrays) {\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.union` except that it accepts `iteratee` which is\n\t     * invoked for each element of each `arrays` to generate the criterion by\n\t     * which uniqueness is computed. Result values are chosen from the first\n\t     * array in which the value occurs. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n\t     * // => [2.1, 1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }, { 'x': 2 }]\n\t     */\n\t    var unionBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.union` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `arrays`. Result values are chosen from\n\t     * the first array in which the value occurs. The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.unionWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n\t     */\n\t    var unionWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays);\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n\t    });\n\t\n\t    /**\n\t     * Creates a duplicate-free version of an array, using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons, in which only the first occurrence of each element\n\t     * is kept. The order of result values is determined by the order they occur\n\t     * in the array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.uniq([2, 1, 2]);\n\t     * // => [2, 1]\n\t     */\n\t    function uniq(array) {\n\t      return (array && array.length) ? baseUniq(array) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * uniqueness is computed. The order of result values is determined by the\n\t     * order they occur in the array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n\t     * // => [2.1, 1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }, { 'x': 2 }]\n\t     */\n\t    function uniqBy(array, iteratee) {\n\t      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `array`. The order of result values is\n\t     * determined by the order they occur in the array.The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.uniqWith(objects, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n\t     */\n\t    function uniqWith(array, comparator) {\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zip` except that it accepts an array of grouped\n\t     * elements and creates an array regrouping the elements to their pre-zip\n\t     * configuration.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.2.0\n\t     * @category Array\n\t     * @param {Array} array The array of grouped elements to process.\n\t     * @returns {Array} Returns the new array of regrouped elements.\n\t     * @example\n\t     *\n\t     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n\t     * // => [['a', 1, true], ['b', 2, false]]\n\t     *\n\t     * _.unzip(zipped);\n\t     * // => [['a', 'b'], [1, 2], [true, false]]\n\t     */\n\t    function unzip(array) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      var length = 0;\n\t      array = arrayFilter(array, function(group) {\n\t        if (isArrayLikeObject(group)) {\n\t          length = nativeMax(group.length, length);\n\t          return true;\n\t        }\n\t      });\n\t      return baseTimes(length, function(index) {\n\t        return arrayMap(array, baseProperty(index));\n\t      });\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n\t     * how regrouped values should be combined. The iteratee is invoked with the\n\t     * elements of each group: (...group).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Array\n\t     * @param {Array} array The array of grouped elements to process.\n\t     * @param {Function} [iteratee=_.identity] The function to combine\n\t     *  regrouped values.\n\t     * @returns {Array} Returns the new array of regrouped elements.\n\t     * @example\n\t     *\n\t     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n\t     * // => [[1, 10, 100], [2, 20, 200]]\n\t     *\n\t     * _.unzipWith(zipped, _.add);\n\t     * // => [3, 30, 300]\n\t     */\n\t    function unzipWith(array, iteratee) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      var result = unzip(array);\n\t      if (iteratee == null) {\n\t        return result;\n\t      }\n\t      return arrayMap(result, function(group) {\n\t        return apply(iteratee, undefined, group);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates an array excluding all given values using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * **Note:** Unlike `_.pull`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...*} [values] The values to exclude.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.difference, _.xor\n\t     * @example\n\t     *\n\t     * _.without([2, 1, 2, 3], 1, 2);\n\t     * // => [3]\n\t     */\n\t    var without = baseRest(function(array, values) {\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, values)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Creates an array of unique values that is the\n\t     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n\t     * of the given arrays. The order of result values is determined by the order\n\t     * they occur in the arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.difference, _.without\n\t     * @example\n\t     *\n\t     * _.xor([2, 1], [2, 3]);\n\t     * // => [1, 3]\n\t     */\n\t    var xor = baseRest(function(arrays) {\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.xor` except that it accepts `iteratee` which is\n\t     * invoked for each element of each `arrays` to generate the criterion by\n\t     * which by which they're compared. The order of result values is determined\n\t     * by the order they occur in the arrays. The iteratee is invoked with one\n\t     * argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [1.2, 3.4]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    var xorBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.xor` except that it accepts `comparator` which is\n\t     * invoked to compare elements of `arrays`. The order of result values is\n\t     * determined by the order they occur in the arrays. The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.xorWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n\t     */\n\t    var xorWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays);\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of grouped elements, the first of which contains the\n\t     * first elements of the given arrays, the second of which contains the\n\t     * second elements of the given arrays, and so on.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to process.\n\t     * @returns {Array} Returns the new array of grouped elements.\n\t     * @example\n\t     *\n\t     * _.zip(['a', 'b'], [1, 2], [true, false]);\n\t     * // => [['a', 1, true], ['b', 2, false]]\n\t     */\n\t    var zip = baseRest(unzip);\n\t\n\t    /**\n\t     * This method is like `_.fromPairs` except that it accepts two arrays,\n\t     * one of property identifiers and one of corresponding values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.4.0\n\t     * @category Array\n\t     * @param {Array} [props=[]] The property identifiers.\n\t     * @param {Array} [values=[]] The property values.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.zipObject(['a', 'b'], [1, 2]);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    function zipObject(props, values) {\n\t      return baseZipObject(props || [], values || [], assignValue);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zipObject` except that it supports property paths.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.1.0\n\t     * @category Array\n\t     * @param {Array} [props=[]] The property identifiers.\n\t     * @param {Array} [values=[]] The property values.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n\t     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n\t     */\n\t    function zipObjectDeep(props, values) {\n\t      return baseZipObject(props || [], values || [], baseSet);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zip` except that it accepts `iteratee` to specify\n\t     * how grouped values should be combined. The iteratee is invoked with the\n\t     * elements of each group: (...group).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to process.\n\t     * @param {Function} [iteratee=_.identity] The function to combine\n\t     *  grouped values.\n\t     * @returns {Array} Returns the new array of grouped elements.\n\t     * @example\n\t     *\n\t     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n\t     *   return a + b + c;\n\t     * });\n\t     * // => [111, 222]\n\t     */\n\t    var zipWith = baseRest(function(arrays) {\n\t      var length = arrays.length,\n\t          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\t\n\t      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n\t      return unzipWith(arrays, iteratee);\n\t    });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n\t     * chain sequences enabled. The result of such sequences must be unwrapped\n\t     * with `_#value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.3.0\n\t     * @category Seq\n\t     * @param {*} value The value to wrap.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36 },\n\t     *   { 'user': 'fred',    'age': 40 },\n\t     *   { 'user': 'pebbles', 'age': 1 }\n\t     * ];\n\t     *\n\t     * var youngest = _\n\t     *   .chain(users)\n\t     *   .sortBy('age')\n\t     *   .map(function(o) {\n\t     *     return o.user + ' is ' + o.age;\n\t     *   })\n\t     *   .head()\n\t     *   .value();\n\t     * // => 'pebbles is 1'\n\t     */\n\t    function chain(value) {\n\t      var result = lodash(value);\n\t      result.__chain__ = true;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method invokes `interceptor` and returns `value`. The interceptor\n\t     * is invoked with one argument; (value). The purpose of this method is to\n\t     * \"tap into\" a method chain sequence in order to modify intermediate results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @param {*} value The value to provide to `interceptor`.\n\t     * @param {Function} interceptor The function to invoke.\n\t     * @returns {*} Returns `value`.\n\t     * @example\n\t     *\n\t     * _([1, 2, 3])\n\t     *  .tap(function(array) {\n\t     *    // Mutate input array.\n\t     *    array.pop();\n\t     *  })\n\t     *  .reverse()\n\t     *  .value();\n\t     * // => [2, 1]\n\t     */\n\t    function tap(value, interceptor) {\n\t      interceptor(value);\n\t      return value;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.tap` except that it returns the result of `interceptor`.\n\t     * The purpose of this method is to \"pass thru\" values replacing intermediate\n\t     * results in a method chain sequence.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Seq\n\t     * @param {*} value The value to provide to `interceptor`.\n\t     * @param {Function} interceptor The function to invoke.\n\t     * @returns {*} Returns the result of `interceptor`.\n\t     * @example\n\t     *\n\t     * _('  abc  ')\n\t     *  .chain()\n\t     *  .trim()\n\t     *  .thru(function(value) {\n\t     *    return [value];\n\t     *  })\n\t     *  .value();\n\t     * // => ['abc']\n\t     */\n\t    function thru(value, interceptor) {\n\t      return interceptor(value);\n\t    }\n\t\n\t    /**\n\t     * This method is the wrapper version of `_.at`.\n\t     *\n\t     * @name at\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Seq\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t     *\n\t     * _(object).at(['a[0].b.c', 'a[1]']).value();\n\t     * // => [3, 4]\n\t     */\n\t    var wrapperAt = flatRest(function(paths) {\n\t      var length = paths.length,\n\t          start = length ? paths[0] : 0,\n\t          value = this.__wrapped__,\n\t          interceptor = function(object) { return baseAt(object, paths); };\n\t\n\t      if (length > 1 || this.__actions__.length ||\n\t          !(value instanceof LazyWrapper) || !isIndex(start)) {\n\t        return this.thru(interceptor);\n\t      }\n\t      value = value.slice(start, +start + (length ? 1 : 0));\n\t      value.__actions__.push({\n\t        'func': thru,\n\t        'args': [interceptor],\n\t        'thisArg': undefined\n\t      });\n\t      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n\t        if (length && !array.length) {\n\t          array.push(undefined);\n\t        }\n\t        return array;\n\t      });\n\t    });\n\t\n\t    /**\n\t     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n\t     *\n\t     * @name chain\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36 },\n\t     *   { 'user': 'fred',   'age': 40 }\n\t     * ];\n\t     *\n\t     * // A sequence without explicit chaining.\n\t     * _(users).head();\n\t     * // => { 'user': 'barney', 'age': 36 }\n\t     *\n\t     * // A sequence with explicit chaining.\n\t     * _(users)\n\t     *   .chain()\n\t     *   .head()\n\t     *   .pick('user')\n\t     *   .value();\n\t     * // => { 'user': 'barney' }\n\t     */\n\t    function wrapperChain() {\n\t      return chain(this);\n\t    }\n\t\n\t    /**\n\t     * Executes the chain sequence and returns the wrapped result.\n\t     *\n\t     * @name commit\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var array = [1, 2];\n\t     * var wrapped = _(array).push(3);\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 2]\n\t     *\n\t     * wrapped = wrapped.commit();\n\t     * console.log(array);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * wrapped.last();\n\t     * // => 3\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function wrapperCommit() {\n\t      return new LodashWrapper(this.value(), this.__chain__);\n\t    }\n\t\n\t    /**\n\t     * Gets the next value on a wrapped object following the\n\t     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n\t     *\n\t     * @name next\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the next iterator value.\n\t     * @example\n\t     *\n\t     * var wrapped = _([1, 2]);\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': false, 'value': 1 }\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': false, 'value': 2 }\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': true, 'value': undefined }\n\t     */\n\t    function wrapperNext() {\n\t      if (this.__values__ === undefined) {\n\t        this.__values__ = toArray(this.value());\n\t      }\n\t      var done = this.__index__ >= this.__values__.length,\n\t          value = done ? undefined : this.__values__[this.__index__++];\n\t\n\t      return { 'done': done, 'value': value };\n\t    }\n\t\n\t    /**\n\t     * Enables the wrapper to be iterable.\n\t     *\n\t     * @name Symbol.iterator\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the wrapper object.\n\t     * @example\n\t     *\n\t     * var wrapped = _([1, 2]);\n\t     *\n\t     * wrapped[Symbol.iterator]() === wrapped;\n\t     * // => true\n\t     *\n\t     * Array.from(wrapped);\n\t     * // => [1, 2]\n\t     */\n\t    function wrapperToIterator() {\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n\t     *\n\t     * @name plant\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Seq\n\t     * @param {*} value The value to plant.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var wrapped = _([1, 2]).map(square);\n\t     * var other = wrapped.plant([3, 4]);\n\t     *\n\t     * other.value();\n\t     * // => [9, 16]\n\t     *\n\t     * wrapped.value();\n\t     * // => [1, 4]\n\t     */\n\t    function wrapperPlant(value) {\n\t      var result,\n\t          parent = this;\n\t\n\t      while (parent instanceof baseLodash) {\n\t        var clone = wrapperClone(parent);\n\t        clone.__index__ = 0;\n\t        clone.__values__ = undefined;\n\t        if (result) {\n\t          previous.__wrapped__ = clone;\n\t        } else {\n\t          result = clone;\n\t        }\n\t        var previous = clone;\n\t        parent = parent.__wrapped__;\n\t      }\n\t      previous.__wrapped__ = value;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is the wrapper version of `_.reverse`.\n\t     *\n\t     * **Note:** This method mutates the wrapped array.\n\t     *\n\t     * @name reverse\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _(array).reverse().value()\n\t     * // => [3, 2, 1]\n\t     *\n\t     * console.log(array);\n\t     * // => [3, 2, 1]\n\t     */\n\t    function wrapperReverse() {\n\t      var value = this.__wrapped__;\n\t      if (value instanceof LazyWrapper) {\n\t        var wrapped = value;\n\t        if (this.__actions__.length) {\n\t          wrapped = new LazyWrapper(this);\n\t        }\n\t        wrapped = wrapped.reverse();\n\t        wrapped.__actions__.push({\n\t          'func': thru,\n\t          'args': [reverse],\n\t          'thisArg': undefined\n\t        });\n\t        return new LodashWrapper(wrapped, this.__chain__);\n\t      }\n\t      return this.thru(reverse);\n\t    }\n\t\n\t    /**\n\t     * Executes the chain sequence to resolve the unwrapped value.\n\t     *\n\t     * @name value\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias toJSON, valueOf\n\t     * @category Seq\n\t     * @returns {*} Returns the resolved unwrapped value.\n\t     * @example\n\t     *\n\t     * _([1, 2, 3]).value();\n\t     * // => [1, 2, 3]\n\t     */\n\t    function wrapperValue() {\n\t      return baseWrapperValue(this.__wrapped__, this.__actions__);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The corresponding value of\n\t     * each key is the number of times the key was returned by `iteratee`. The\n\t     * iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n\t     * // => { '4': 1, '6': 2 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.countBy(['one', 'two', 'three'], 'length');\n\t     * // => { '3': 2, '5': 1 }\n\t     */\n\t    var countBy = createAggregator(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, key)) {\n\t        ++result[key];\n\t      } else {\n\t        baseAssignValue(result, key, 1);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n\t     * Iteration is stopped once `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index|key, collection).\n\t     *\n\t     * **Note:** This method returns `true` for\n\t     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n\t     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n\t     * elements of empty collections.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.every([true, 1, null, 'yes'], Boolean);\n\t     * // => false\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': false },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.every(users, { 'user': 'barney', 'active': false });\n\t     * // => false\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.every(users, ['active', false]);\n\t     * // => true\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.every(users, 'active');\n\t     * // => false\n\t     */\n\t    function every(collection, predicate, guard) {\n\t      var func = isArray(collection) ? arrayEvery : baseEvery;\n\t      if (guard && isIterateeCall(collection, predicate, guard)) {\n\t        predicate = undefined;\n\t      }\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection`, returning an array of all elements\n\t     * `predicate` returns truthy for. The predicate is invoked with three\n\t     * arguments: (value, index|key, collection).\n\t     *\n\t     * **Note:** Unlike `_.remove`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     * @see _.reject\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': true },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * _.filter(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.filter(users, { 'age': 36, 'active': true });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.filter(users, ['active', false]);\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.filter(users, 'active');\n\t     * // => objects for ['barney']\n\t     */\n\t    function filter(collection, predicate) {\n\t      var func = isArray(collection) ? arrayFilter : baseFilter;\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection`, returning the first element\n\t     * `predicate` returns truthy for. The predicate is invoked with three\n\t     * arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {*} Returns the matched element, else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36, 'active': true },\n\t     *   { 'user': 'fred',    'age': 40, 'active': false },\n\t     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n\t     * ];\n\t     *\n\t     * _.find(users, function(o) { return o.age < 40; });\n\t     * // => object for 'barney'\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.find(users, { 'age': 1, 'active': true });\n\t     * // => object for 'pebbles'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.find(users, ['active', false]);\n\t     * // => object for 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.find(users, 'active');\n\t     * // => object for 'barney'\n\t     */\n\t    var find = createFind(findIndex);\n\t\n\t    /**\n\t     * This method is like `_.find` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=collection.length-1] The index to search from.\n\t     * @returns {*} Returns the matched element, else `undefined`.\n\t     * @example\n\t     *\n\t     * _.findLast([1, 2, 3, 4], function(n) {\n\t     *   return n % 2 == 1;\n\t     * });\n\t     * // => 3\n\t     */\n\t    var findLast = createFind(findLastIndex);\n\t\n\t    /**\n\t     * Creates a flattened array of values by running each element in `collection`\n\t     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n\t     * with three arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [n, n];\n\t     * }\n\t     *\n\t     * _.flatMap([1, 2], duplicate);\n\t     * // => [1, 1, 2, 2]\n\t     */\n\t    function flatMap(collection, iteratee) {\n\t      return baseFlatten(map(collection, iteratee), 1);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.flatMap` except that it recursively flattens the\n\t     * mapped results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [[[n, n]]];\n\t     * }\n\t     *\n\t     * _.flatMapDeep([1, 2], duplicate);\n\t     * // => [1, 1, 2, 2]\n\t     */\n\t    function flatMapDeep(collection, iteratee) {\n\t      return baseFlatten(map(collection, iteratee), INFINITY);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.flatMap` except that it recursively flattens the\n\t     * mapped results up to `depth` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {number} [depth=1] The maximum recursion depth.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [[[n, n]]];\n\t     * }\n\t     *\n\t     * _.flatMapDepth([1, 2], duplicate, 2);\n\t     * // => [[1, 1], [2, 2]]\n\t     */\n\t    function flatMapDepth(collection, iteratee, depth) {\n\t      depth = depth === undefined ? 1 : toInteger(depth);\n\t      return baseFlatten(map(collection, iteratee), depth);\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n\t     * The iteratee is invoked with three arguments: (value, index|key, collection).\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n\t     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n\t     * or `_.forOwn` for object iteration.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias each\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     * @see _.forEachRight\n\t     * @example\n\t     *\n\t     * _.forEach([1, 2], function(value) {\n\t     *   console.log(value);\n\t     * });\n\t     * // => Logs `1` then `2`.\n\t     *\n\t     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t     */\n\t    function forEach(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayEach : baseEach;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forEach` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @alias eachRight\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     * @see _.forEach\n\t     * @example\n\t     *\n\t     * _.forEachRight([1, 2], function(value) {\n\t     *   console.log(value);\n\t     * });\n\t     * // => Logs `2` then `1`.\n\t     */\n\t    function forEachRight(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The order of grouped values\n\t     * is determined by the order they occur in `collection`. The corresponding\n\t     * value of each key is an array of elements responsible for generating the\n\t     * key. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n\t     * // => { '4': [4.2], '6': [6.1, 6.3] }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.groupBy(['one', 'two', 'three'], 'length');\n\t     * // => { '3': ['one', 'two'], '5': ['three'] }\n\t     */\n\t    var groupBy = createAggregator(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, key)) {\n\t        result[key].push(value);\n\t      } else {\n\t        baseAssignValue(result, key, [value]);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Checks if `value` is in `collection`. If `collection` is a string, it's\n\t     * checked for a substring of `value`, otherwise\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n\t     * the offset from the end of `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object|string} collection The collection to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n\t     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n\t     * @example\n\t     *\n\t     * _.includes([1, 2, 3], 1);\n\t     * // => true\n\t     *\n\t     * _.includes([1, 2, 3], 1, 2);\n\t     * // => false\n\t     *\n\t     * _.includes({ 'a': 1, 'b': 2 }, 1);\n\t     * // => true\n\t     *\n\t     * _.includes('abcd', 'bc');\n\t     * // => true\n\t     */\n\t    function includes(collection, value, fromIndex, guard) {\n\t      collection = isArrayLike(collection) ? collection : values(collection);\n\t      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\t\n\t      var length = collection.length;\n\t      if (fromIndex < 0) {\n\t        fromIndex = nativeMax(length + fromIndex, 0);\n\t      }\n\t      return isString(collection)\n\t        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n\t        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n\t    }\n\t\n\t    /**\n\t     * Invokes the method at `path` of each element in `collection`, returning\n\t     * an array of the results of each invoked method. Any additional arguments\n\t     * are provided to each invoked method. If `path` is a function, it's invoked\n\t     * for, and `this` bound to, each element in `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Array|Function|string} path The path of the method to invoke or\n\t     *  the function invoked per iteration.\n\t     * @param {...*} [args] The arguments to invoke each method with.\n\t     * @returns {Array} Returns the array of results.\n\t     * @example\n\t     *\n\t     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n\t     * // => [[1, 5, 7], [1, 2, 3]]\n\t     *\n\t     * _.invokeMap([123, 456], String.prototype.split, '');\n\t     * // => [['1', '2', '3'], ['4', '5', '6']]\n\t     */\n\t    var invokeMap = baseRest(function(collection, path, args) {\n\t      var index = -1,\n\t          isFunc = typeof path == 'function',\n\t          result = isArrayLike(collection) ? Array(collection.length) : [];\n\t\n\t      baseEach(collection, function(value) {\n\t        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n\t      });\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The corresponding value of\n\t     * each key is the last element responsible for generating the key. The\n\t     * iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * var array = [\n\t     *   { 'dir': 'left', 'code': 97 },\n\t     *   { 'dir': 'right', 'code': 100 }\n\t     * ];\n\t     *\n\t     * _.keyBy(array, function(o) {\n\t     *   return String.fromCharCode(o.code);\n\t     * });\n\t     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n\t     *\n\t     * _.keyBy(array, 'dir');\n\t     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n\t     */\n\t    var keyBy = createAggregator(function(result, value, key) {\n\t      baseAssignValue(result, key, value);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of values by running each element in `collection` thru\n\t     * `iteratee`. The iteratee is invoked with three arguments:\n\t     * (value, index|key, collection).\n\t     *\n\t     * Many lodash methods are guarded to work as iteratees for methods like\n\t     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n\t     *\n\t     * The guarded methods are:\n\t     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n\t     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n\t     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n\t     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new mapped array.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * _.map([4, 8], square);\n\t     * // => [16, 64]\n\t     *\n\t     * _.map({ 'a': 4, 'b': 8 }, square);\n\t     * // => [16, 64] (iteration order is not guaranteed)\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney' },\n\t     *   { 'user': 'fred' }\n\t     * ];\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.map(users, 'user');\n\t     * // => ['barney', 'fred']\n\t     */\n\t    function map(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayMap : baseMap;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortBy` except that it allows specifying the sort\n\t     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n\t     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n\t     * descending or \"asc\" for ascending sort order of corresponding values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n\t     *  The iteratees to sort by.\n\t     * @param {string[]} [orders] The sort orders of `iteratees`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n\t     * @returns {Array} Returns the new sorted array.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'fred',   'age': 48 },\n\t     *   { 'user': 'barney', 'age': 34 },\n\t     *   { 'user': 'fred',   'age': 40 },\n\t     *   { 'user': 'barney', 'age': 36 }\n\t     * ];\n\t     *\n\t     * // Sort by `user` in ascending order and by `age` in descending order.\n\t     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n\t     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n\t     */\n\t    function orderBy(collection, iteratees, orders, guard) {\n\t      if (collection == null) {\n\t        return [];\n\t      }\n\t      if (!isArray(iteratees)) {\n\t        iteratees = iteratees == null ? [] : [iteratees];\n\t      }\n\t      orders = guard ? undefined : orders;\n\t      if (!isArray(orders)) {\n\t        orders = orders == null ? [] : [orders];\n\t      }\n\t      return baseOrderBy(collection, iteratees, orders);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of elements split into two groups, the first of which\n\t     * contains elements `predicate` returns truthy for, the second of which\n\t     * contains elements `predicate` returns falsey for. The predicate is\n\t     * invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the array of grouped elements.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36, 'active': false },\n\t     *   { 'user': 'fred',    'age': 40, 'active': true },\n\t     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n\t     * ];\n\t     *\n\t     * _.partition(users, function(o) { return o.active; });\n\t     * // => objects for [['fred'], ['barney', 'pebbles']]\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.partition(users, { 'age': 1, 'active': false });\n\t     * // => objects for [['pebbles'], ['barney', 'fred']]\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.partition(users, ['active', false]);\n\t     * // => objects for [['barney', 'pebbles'], ['fred']]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.partition(users, 'active');\n\t     * // => objects for [['fred'], ['barney', 'pebbles']]\n\t     */\n\t    var partition = createAggregator(function(result, value, key) {\n\t      result[key ? 0 : 1].push(value);\n\t    }, function() { return [[], []]; });\n\t\n\t    /**\n\t     * Reduces `collection` to a value which is the accumulated result of running\n\t     * each element in `collection` thru `iteratee`, where each successive\n\t     * invocation is supplied the return value of the previous. If `accumulator`\n\t     * is not given, the first element of `collection` is used as the initial\n\t     * value. The iteratee is invoked with four arguments:\n\t     * (accumulator, value, index|key, collection).\n\t     *\n\t     * Many lodash methods are guarded to work as iteratees for methods like\n\t     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n\t     *\n\t     * The guarded methods are:\n\t     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n\t     * and `sortBy`\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The initial value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @see _.reduceRight\n\t     * @example\n\t     *\n\t     * _.reduce([1, 2], function(sum, n) {\n\t     *   return sum + n;\n\t     * }, 0);\n\t     * // => 3\n\t     *\n\t     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t     *   (result[value] || (result[value] = [])).push(key);\n\t     *   return result;\n\t     * }, {});\n\t     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n\t     */\n\t    function reduce(collection, iteratee, accumulator) {\n\t      var func = isArray(collection) ? arrayReduce : baseReduce,\n\t          initAccum = arguments.length < 3;\n\t\n\t      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.reduce` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The initial value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @see _.reduce\n\t     * @example\n\t     *\n\t     * var array = [[0, 1], [2, 3], [4, 5]];\n\t     *\n\t     * _.reduceRight(array, function(flattened, other) {\n\t     *   return flattened.concat(other);\n\t     * }, []);\n\t     * // => [4, 5, 2, 3, 0, 1]\n\t     */\n\t    function reduceRight(collection, iteratee, accumulator) {\n\t      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n\t          initAccum = arguments.length < 3;\n\t\n\t      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.filter`; this method returns the elements of `collection`\n\t     * that `predicate` does **not** return truthy for.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     * @see _.filter\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': false },\n\t     *   { 'user': 'fred',   'age': 40, 'active': true }\n\t     * ];\n\t     *\n\t     * _.reject(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.reject(users, { 'age': 40, 'active': true });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.reject(users, ['active', false]);\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.reject(users, 'active');\n\t     * // => objects for ['barney']\n\t     */\n\t    function reject(collection, predicate) {\n\t      var func = isArray(collection) ? arrayFilter : baseFilter;\n\t      return func(collection, negate(getIteratee(predicate, 3)));\n\t    }\n\t\n\t    /**\n\t     * Gets a random element from `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @returns {*} Returns the random element.\n\t     * @example\n\t     *\n\t     * _.sample([1, 2, 3, 4]);\n\t     * // => 2\n\t     */\n\t    function sample(collection) {\n\t      var func = isArray(collection) ? arraySample : baseSample;\n\t      return func(collection);\n\t    }\n\t\n\t    /**\n\t     * Gets `n` random elements at unique keys from `collection` up to the\n\t     * size of `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @param {number} [n=1] The number of elements to sample.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the random elements.\n\t     * @example\n\t     *\n\t     * _.sampleSize([1, 2, 3], 2);\n\t     * // => [3, 1]\n\t     *\n\t     * _.sampleSize([1, 2, 3], 4);\n\t     * // => [2, 3, 1]\n\t     */\n\t    function sampleSize(collection, n, guard) {\n\t      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n\t        n = 1;\n\t      } else {\n\t        n = toInteger(n);\n\t      }\n\t      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n\t      return func(collection, n);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of shuffled values, using a version of the\n\t     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     * @example\n\t     *\n\t     * _.shuffle([1, 2, 3, 4]);\n\t     * // => [4, 1, 3, 2]\n\t     */\n\t    function shuffle(collection) {\n\t      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n\t      return func(collection);\n\t    }\n\t\n\t    /**\n\t     * Gets the size of `collection` by returning its length for array-like\n\t     * values or the number of own enumerable string keyed properties for objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object|string} collection The collection to inspect.\n\t     * @returns {number} Returns the collection size.\n\t     * @example\n\t     *\n\t     * _.size([1, 2, 3]);\n\t     * // => 3\n\t     *\n\t     * _.size({ 'a': 1, 'b': 2 });\n\t     * // => 2\n\t     *\n\t     * _.size('pebbles');\n\t     * // => 7\n\t     */\n\t    function size(collection) {\n\t      if (collection == null) {\n\t        return 0;\n\t      }\n\t      if (isArrayLike(collection)) {\n\t        return isString(collection) ? stringSize(collection) : collection.length;\n\t      }\n\t      var tag = getTag(collection);\n\t      if (tag == mapTag || tag == setTag) {\n\t        return collection.size;\n\t      }\n\t      return baseKeys(collection).length;\n\t    }\n\t\n\t    /**\n\t     * Checks if `predicate` returns truthy for **any** element of `collection`.\n\t     * Iteration is stopped once `predicate` returns truthy. The predicate is\n\t     * invoked with three arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.some([null, 0, 'yes', false], Boolean);\n\t     * // => true\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'active': true },\n\t     *   { 'user': 'fred',   'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.some(users, { 'user': 'barney', 'active': false });\n\t     * // => false\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.some(users, ['active', false]);\n\t     * // => true\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.some(users, 'active');\n\t     * // => true\n\t     */\n\t    function some(collection, predicate, guard) {\n\t      var func = isArray(collection) ? arraySome : baseSome;\n\t      if (guard && isIterateeCall(collection, predicate, guard)) {\n\t        predicate = undefined;\n\t      }\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of elements, sorted in ascending order by the results of\n\t     * running each element in a collection thru each iteratee. This method\n\t     * performs a stable sort, that is, it preserves the original sort order of\n\t     * equal elements. The iteratees are invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n\t     *  The iteratees to sort by.\n\t     * @returns {Array} Returns the new sorted array.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'fred',   'age': 48 },\n\t     *   { 'user': 'barney', 'age': 36 },\n\t     *   { 'user': 'fred',   'age': 40 },\n\t     *   { 'user': 'barney', 'age': 34 }\n\t     * ];\n\t     *\n\t     * _.sortBy(users, [function(o) { return o.user; }]);\n\t     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n\t     *\n\t     * _.sortBy(users, ['user', 'age']);\n\t     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n\t     */\n\t    var sortBy = baseRest(function(collection, iteratees) {\n\t      if (collection == null) {\n\t        return [];\n\t      }\n\t      var length = iteratees.length;\n\t      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n\t        iteratees = [];\n\t      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n\t        iteratees = [iteratees[0]];\n\t      }\n\t      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n\t    });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Gets the timestamp of the number of milliseconds that have elapsed since\n\t     * the Unix epoch (1 January 1970 00:00:00 UTC).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Date\n\t     * @returns {number} Returns the timestamp.\n\t     * @example\n\t     *\n\t     * _.defer(function(stamp) {\n\t     *   console.log(_.now() - stamp);\n\t     * }, _.now());\n\t     * // => Logs the number of milliseconds it took for the deferred invocation.\n\t     */\n\t    var now = ctxNow || function() {\n\t      return root.Date.now();\n\t    };\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * The opposite of `_.before`; this method creates a function that invokes\n\t     * `func` once it's called `n` or more times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {number} n The number of calls before `func` is invoked.\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * var saves = ['profile', 'settings'];\n\t     *\n\t     * var done = _.after(saves.length, function() {\n\t     *   console.log('done saving!');\n\t     * });\n\t     *\n\t     * _.forEach(saves, function(type) {\n\t     *   asyncSave({ 'type': type, 'complete': done });\n\t     * });\n\t     * // => Logs 'done saving!' after the two async saves have completed.\n\t     */\n\t    function after(n, func) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      n = toInteger(n);\n\t      return function() {\n\t        if (--n < 1) {\n\t          return func.apply(this, arguments);\n\t        }\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func`, with up to `n` arguments,\n\t     * ignoring any additional arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to cap arguments for.\n\t     * @param {number} [n=func.length] The arity cap.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new capped function.\n\t     * @example\n\t     *\n\t     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n\t     * // => [6, 8, 10]\n\t     */\n\t    function ary(func, n, guard) {\n\t      n = guard ? undefined : n;\n\t      n = (func && n == null) ? func.length : n;\n\t      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func`, with the `this` binding and arguments\n\t     * of the created function, while it's called less than `n` times. Subsequent\n\t     * calls to the created function return the result of the last `func` invocation.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {number} n The number of calls at which `func` is no longer invoked.\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * jQuery(element).on('click', _.before(5, addContactToList));\n\t     * // => Allows adding up to 4 contacts to the list.\n\t     */\n\t    function before(n, func) {\n\t      var result;\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      n = toInteger(n);\n\t      return function() {\n\t        if (--n > 0) {\n\t          result = func.apply(this, arguments);\n\t        }\n\t        if (n <= 1) {\n\t          func = undefined;\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n\t     * and `partials` prepended to the arguments it receives.\n\t     *\n\t     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n\t     * may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n\t     * property of bound functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to bind.\n\t     * @param {*} thisArg The `this` binding of `func`.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new bound function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, punctuation) {\n\t     *   return greeting + ' ' + this.user + punctuation;\n\t     * }\n\t     *\n\t     * var object = { 'user': 'fred' };\n\t     *\n\t     * var bound = _.bind(greet, object, 'hi');\n\t     * bound('!');\n\t     * // => 'hi fred!'\n\t     *\n\t     * // Bound with placeholders.\n\t     * var bound = _.bind(greet, object, _, '!');\n\t     * bound('hi');\n\t     * // => 'hi fred!'\n\t     */\n\t    var bind = baseRest(function(func, thisArg, partials) {\n\t      var bitmask = WRAP_BIND_FLAG;\n\t      if (partials.length) {\n\t        var holders = replaceHolders(partials, getHolder(bind));\n\t        bitmask |= WRAP_PARTIAL_FLAG;\n\t      }\n\t      return createWrap(func, bitmask, thisArg, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes the method at `object[key]` with `partials`\n\t     * prepended to the arguments it receives.\n\t     *\n\t     * This method differs from `_.bind` by allowing bound functions to reference\n\t     * methods that may be redefined or don't yet exist. See\n\t     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n\t     * for more details.\n\t     *\n\t     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.10.0\n\t     * @category Function\n\t     * @param {Object} object The object to invoke the method on.\n\t     * @param {string} key The key of the method.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new bound function.\n\t     * @example\n\t     *\n\t     * var object = {\n\t     *   'user': 'fred',\n\t     *   'greet': function(greeting, punctuation) {\n\t     *     return greeting + ' ' + this.user + punctuation;\n\t     *   }\n\t     * };\n\t     *\n\t     * var bound = _.bindKey(object, 'greet', 'hi');\n\t     * bound('!');\n\t     * // => 'hi fred!'\n\t     *\n\t     * object.greet = function(greeting, punctuation) {\n\t     *   return greeting + 'ya ' + this.user + punctuation;\n\t     * };\n\t     *\n\t     * bound('!');\n\t     * // => 'hiya fred!'\n\t     *\n\t     * // Bound with placeholders.\n\t     * var bound = _.bindKey(object, 'greet', _, '!');\n\t     * bound('hi');\n\t     * // => 'hiya fred!'\n\t     */\n\t    var bindKey = baseRest(function(object, key, partials) {\n\t      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n\t      if (partials.length) {\n\t        var holders = replaceHolders(partials, getHolder(bindKey));\n\t        bitmask |= WRAP_PARTIAL_FLAG;\n\t      }\n\t      return createWrap(key, bitmask, object, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that accepts arguments of `func` and either invokes\n\t     * `func` returning its result, if at least `arity` number of arguments have\n\t     * been provided, or returns a function that accepts the remaining `func`\n\t     * arguments, and so on. The arity of `func` may be specified if `func.length`\n\t     * is not sufficient.\n\t     *\n\t     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n\t     * may be used as a placeholder for provided arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of curried functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to curry.\n\t     * @param {number} [arity=func.length] The arity of `func`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new curried function.\n\t     * @example\n\t     *\n\t     * var abc = function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * };\n\t     *\n\t     * var curried = _.curry(abc);\n\t     *\n\t     * curried(1)(2)(3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2)(3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2, 3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * // Curried with placeholders.\n\t     * curried(1)(_, 3)(2);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function curry(func, arity, guard) {\n\t      arity = guard ? undefined : arity;\n\t      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n\t      result.placeholder = curry.placeholder;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.curry` except that arguments are applied to `func`\n\t     * in the manner of `_.partialRight` instead of `_.partial`.\n\t     *\n\t     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for provided arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of curried functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to curry.\n\t     * @param {number} [arity=func.length] The arity of `func`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new curried function.\n\t     * @example\n\t     *\n\t     * var abc = function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * };\n\t     *\n\t     * var curried = _.curryRight(abc);\n\t     *\n\t     * curried(3)(2)(1);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(2, 3)(1);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2, 3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * // Curried with placeholders.\n\t     * curried(3)(1, _)(2);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function curryRight(func, arity, guard) {\n\t      arity = guard ? undefined : arity;\n\t      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n\t      result.placeholder = curryRight.placeholder;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a debounced function that delays invoking `func` until after `wait`\n\t     * milliseconds have elapsed since the last time the debounced function was\n\t     * invoked. The debounced function comes with a `cancel` method to cancel\n\t     * delayed `func` invocations and a `flush` method to immediately invoke them.\n\t     * Provide `options` to indicate whether `func` should be invoked on the\n\t     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n\t     * with the last arguments provided to the debounced function. Subsequent\n\t     * calls to the debounced function return the result of the last `func`\n\t     * invocation.\n\t     *\n\t     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n\t     * invoked on the trailing edge of the timeout only if the debounced function\n\t     * is invoked more than once during the `wait` timeout.\n\t     *\n\t     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n\t     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n\t     *\n\t     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n\t     * for details over the differences between `_.debounce` and `_.throttle`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to debounce.\n\t     * @param {number} [wait=0] The number of milliseconds to delay.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.leading=false]\n\t     *  Specify invoking on the leading edge of the timeout.\n\t     * @param {number} [options.maxWait]\n\t     *  The maximum time `func` is allowed to be delayed before it's invoked.\n\t     * @param {boolean} [options.trailing=true]\n\t     *  Specify invoking on the trailing edge of the timeout.\n\t     * @returns {Function} Returns the new debounced function.\n\t     * @example\n\t     *\n\t     * // Avoid costly calculations while the window size is in flux.\n\t     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n\t     *\n\t     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n\t     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n\t     *   'leading': true,\n\t     *   'trailing': false\n\t     * }));\n\t     *\n\t     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n\t     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n\t     * var source = new EventSource('/stream');\n\t     * jQuery(source).on('message', debounced);\n\t     *\n\t     * // Cancel the trailing debounced invocation.\n\t     * jQuery(window).on('popstate', debounced.cancel);\n\t     */\n\t    function debounce(func, wait, options) {\n\t      var lastArgs,\n\t          lastThis,\n\t          maxWait,\n\t          result,\n\t          timerId,\n\t          lastCallTime,\n\t          lastInvokeTime = 0,\n\t          leading = false,\n\t          maxing = false,\n\t          trailing = true;\n\t\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      wait = toNumber(wait) || 0;\n\t      if (isObject(options)) {\n\t        leading = !!options.leading;\n\t        maxing = 'maxWait' in options;\n\t        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n\t        trailing = 'trailing' in options ? !!options.trailing : trailing;\n\t      }\n\t\n\t      function invokeFunc(time) {\n\t        var args = lastArgs,\n\t            thisArg = lastThis;\n\t\n\t        lastArgs = lastThis = undefined;\n\t        lastInvokeTime = time;\n\t        result = func.apply(thisArg, args);\n\t        return result;\n\t      }\n\t\n\t      function leadingEdge(time) {\n\t        // Reset any `maxWait` timer.\n\t        lastInvokeTime = time;\n\t        // Start the timer for the trailing edge.\n\t        timerId = setTimeout(timerExpired, wait);\n\t        // Invoke the leading edge.\n\t        return leading ? invokeFunc(time) : result;\n\t      }\n\t\n\t      function remainingWait(time) {\n\t        var timeSinceLastCall = time - lastCallTime,\n\t            timeSinceLastInvoke = time - lastInvokeTime,\n\t            result = wait - timeSinceLastCall;\n\t\n\t        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n\t      }\n\t\n\t      function shouldInvoke(time) {\n\t        var timeSinceLastCall = time - lastCallTime,\n\t            timeSinceLastInvoke = time - lastInvokeTime;\n\t\n\t        // Either this is the first call, activity has stopped and we're at the\n\t        // trailing edge, the system time has gone backwards and we're treating\n\t        // it as the trailing edge, or we've hit the `maxWait` limit.\n\t        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n\t          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n\t      }\n\t\n\t      function timerExpired() {\n\t        var time = now();\n\t        if (shouldInvoke(time)) {\n\t          return trailingEdge(time);\n\t        }\n\t        // Restart the timer.\n\t        timerId = setTimeout(timerExpired, remainingWait(time));\n\t      }\n\t\n\t      function trailingEdge(time) {\n\t        timerId = undefined;\n\t\n\t        // Only invoke if we have `lastArgs` which means `func` has been\n\t        // debounced at least once.\n\t        if (trailing && lastArgs) {\n\t          return invokeFunc(time);\n\t        }\n\t        lastArgs = lastThis = undefined;\n\t        return result;\n\t      }\n\t\n\t      function cancel() {\n\t        if (timerId !== undefined) {\n\t          clearTimeout(timerId);\n\t        }\n\t        lastInvokeTime = 0;\n\t        lastArgs = lastCallTime = lastThis = timerId = undefined;\n\t      }\n\t\n\t      function flush() {\n\t        return timerId === undefined ? result : trailingEdge(now());\n\t      }\n\t\n\t      function debounced() {\n\t        var time = now(),\n\t            isInvoking = shouldInvoke(time);\n\t\n\t        lastArgs = arguments;\n\t        lastThis = this;\n\t        lastCallTime = time;\n\t\n\t        if (isInvoking) {\n\t          if (timerId === undefined) {\n\t            return leadingEdge(lastCallTime);\n\t          }\n\t          if (maxing) {\n\t            // Handle invocations in a tight loop.\n\t            timerId = setTimeout(timerExpired, wait);\n\t            return invokeFunc(lastCallTime);\n\t          }\n\t        }\n\t        if (timerId === undefined) {\n\t          timerId = setTimeout(timerExpired, wait);\n\t        }\n\t        return result;\n\t      }\n\t      debounced.cancel = cancel;\n\t      debounced.flush = flush;\n\t      return debounced;\n\t    }\n\t\n\t    /**\n\t     * Defers invoking the `func` until the current call stack has cleared. Any\n\t     * additional arguments are provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to defer.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {number} Returns the timer id.\n\t     * @example\n\t     *\n\t     * _.defer(function(text) {\n\t     *   console.log(text);\n\t     * }, 'deferred');\n\t     * // => Logs 'deferred' after one millisecond.\n\t     */\n\t    var defer = baseRest(function(func, args) {\n\t      return baseDelay(func, 1, args);\n\t    });\n\t\n\t    /**\n\t     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n\t     * provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {number} Returns the timer id.\n\t     * @example\n\t     *\n\t     * _.delay(function(text) {\n\t     *   console.log(text);\n\t     * }, 1000, 'later');\n\t     * // => Logs 'later' after one second.\n\t     */\n\t    var delay = baseRest(function(func, wait, args) {\n\t      return baseDelay(func, toNumber(wait) || 0, args);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with arguments reversed.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to flip arguments for.\n\t     * @returns {Function} Returns the new flipped function.\n\t     * @example\n\t     *\n\t     * var flipped = _.flip(function() {\n\t     *   return _.toArray(arguments);\n\t     * });\n\t     *\n\t     * flipped('a', 'b', 'c', 'd');\n\t     * // => ['d', 'c', 'b', 'a']\n\t     */\n\t    function flip(func) {\n\t      return createWrap(func, WRAP_FLIP_FLAG);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that memoizes the result of `func`. If `resolver` is\n\t     * provided, it determines the cache key for storing the result based on the\n\t     * arguments provided to the memoized function. By default, the first argument\n\t     * provided to the memoized function is used as the map cache key. The `func`\n\t     * is invoked with the `this` binding of the memoized function.\n\t     *\n\t     * **Note:** The cache is exposed as the `cache` property on the memoized\n\t     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n\t     * constructor with one whose instances implement the\n\t     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n\t     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to have its output memoized.\n\t     * @param {Function} [resolver] The function to resolve the cache key.\n\t     * @returns {Function} Returns the new memoized function.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     * var other = { 'c': 3, 'd': 4 };\n\t     *\n\t     * var values = _.memoize(_.values);\n\t     * values(object);\n\t     * // => [1, 2]\n\t     *\n\t     * values(other);\n\t     * // => [3, 4]\n\t     *\n\t     * object.a = 2;\n\t     * values(object);\n\t     * // => [1, 2]\n\t     *\n\t     * // Modify the result cache.\n\t     * values.cache.set(object, ['a', 'b']);\n\t     * values(object);\n\t     * // => ['a', 'b']\n\t     *\n\t     * // Replace `_.memoize.Cache`.\n\t     * _.memoize.Cache = WeakMap;\n\t     */\n\t    function memoize(func, resolver) {\n\t      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      var memoized = function() {\n\t        var args = arguments,\n\t            key = resolver ? resolver.apply(this, args) : args[0],\n\t            cache = memoized.cache;\n\t\n\t        if (cache.has(key)) {\n\t          return cache.get(key);\n\t        }\n\t        var result = func.apply(this, args);\n\t        memoized.cache = cache.set(key, result) || cache;\n\t        return result;\n\t      };\n\t      memoized.cache = new (memoize.Cache || MapCache);\n\t      return memoized;\n\t    }\n\t\n\t    // Expose `MapCache`.\n\t    memoize.Cache = MapCache;\n\t\n\t    /**\n\t     * Creates a function that negates the result of the predicate `func`. The\n\t     * `func` predicate is invoked with the `this` binding and arguments of the\n\t     * created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} predicate The predicate to negate.\n\t     * @returns {Function} Returns the new negated function.\n\t     * @example\n\t     *\n\t     * function isEven(n) {\n\t     *   return n % 2 == 0;\n\t     * }\n\t     *\n\t     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n\t     * // => [1, 3, 5]\n\t     */\n\t    function negate(predicate) {\n\t      if (typeof predicate != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      return function() {\n\t        var args = arguments;\n\t        switch (args.length) {\n\t          case 0: return !predicate.call(this);\n\t          case 1: return !predicate.call(this, args[0]);\n\t          case 2: return !predicate.call(this, args[0], args[1]);\n\t          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n\t        }\n\t        return !predicate.apply(this, args);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that is restricted to invoking `func` once. Repeat calls\n\t     * to the function return the value of the first invocation. The `func` is\n\t     * invoked with the `this` binding and arguments of the created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * var initialize = _.once(createApplication);\n\t     * initialize();\n\t     * initialize();\n\t     * // => `createApplication` is invoked once\n\t     */\n\t    function once(func) {\n\t      return before(2, func);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with its arguments transformed.\n\t     *\n\t     * @static\n\t     * @since 4.0.0\n\t     * @memberOf _\n\t     * @category Function\n\t     * @param {Function} func The function to wrap.\n\t     * @param {...(Function|Function[])} [transforms=[_.identity]]\n\t     *  The argument transforms.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * function doubled(n) {\n\t     *   return n * 2;\n\t     * }\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var func = _.overArgs(function(x, y) {\n\t     *   return [x, y];\n\t     * }, [square, doubled]);\n\t     *\n\t     * func(9, 3);\n\t     * // => [81, 6]\n\t     *\n\t     * func(10, 5);\n\t     * // => [100, 10]\n\t     */\n\t    var overArgs = castRest(function(func, transforms) {\n\t      transforms = (transforms.length == 1 && isArray(transforms[0]))\n\t        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n\t        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\t\n\t      var funcsLength = transforms.length;\n\t      return baseRest(function(args) {\n\t        var index = -1,\n\t            length = nativeMin(args.length, funcsLength);\n\t\n\t        while (++index < length) {\n\t          args[index] = transforms[index].call(this, args[index]);\n\t        }\n\t        return apply(func, this, args);\n\t      });\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with `partials` prepended to the\n\t     * arguments it receives. This method is like `_.bind` except it does **not**\n\t     * alter the `this` binding.\n\t     *\n\t     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of partially\n\t     * applied functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.2.0\n\t     * @category Function\n\t     * @param {Function} func The function to partially apply arguments to.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new partially applied function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, name) {\n\t     *   return greeting + ' ' + name;\n\t     * }\n\t     *\n\t     * var sayHelloTo = _.partial(greet, 'hello');\n\t     * sayHelloTo('fred');\n\t     * // => 'hello fred'\n\t     *\n\t     * // Partially applied with placeholders.\n\t     * var greetFred = _.partial(greet, _, 'fred');\n\t     * greetFred('hi');\n\t     * // => 'hi fred'\n\t     */\n\t    var partial = baseRest(function(func, partials) {\n\t      var holders = replaceHolders(partials, getHolder(partial));\n\t      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.partial` except that partially applied arguments\n\t     * are appended to the arguments it receives.\n\t     *\n\t     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of partially\n\t     * applied functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to partially apply arguments to.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new partially applied function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, name) {\n\t     *   return greeting + ' ' + name;\n\t     * }\n\t     *\n\t     * var greetFred = _.partialRight(greet, 'fred');\n\t     * greetFred('hi');\n\t     * // => 'hi fred'\n\t     *\n\t     * // Partially applied with placeholders.\n\t     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n\t     * sayHelloTo('fred');\n\t     * // => 'hello fred'\n\t     */\n\t    var partialRight = baseRest(function(func, partials) {\n\t      var holders = replaceHolders(partials, getHolder(partialRight));\n\t      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with arguments arranged according\n\t     * to the specified `indexes` where the argument value at the first index is\n\t     * provided as the first argument, the argument value at the second index is\n\t     * provided as the second argument, and so on.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to rearrange arguments for.\n\t     * @param {...(number|number[])} indexes The arranged argument indexes.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var rearged = _.rearg(function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * }, [2, 0, 1]);\n\t     *\n\t     * rearged('b', 'c', 'a')\n\t     * // => ['a', 'b', 'c']\n\t     */\n\t    var rearg = flatRest(function(func, indexes) {\n\t      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of the\n\t     * created function and arguments from `start` and beyond provided as\n\t     * an array.\n\t     *\n\t     * **Note:** This method is based on the\n\t     * [rest parameter](https://mdn.io/rest_parameters).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var say = _.rest(function(what, names) {\n\t     *   return what + ' ' + _.initial(names).join(', ') +\n\t     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n\t     * });\n\t     *\n\t     * say('hello', 'fred', 'barney', 'pebbles');\n\t     * // => 'hello fred, barney, & pebbles'\n\t     */\n\t    function rest(func, start) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      start = start === undefined ? start : toInteger(start);\n\t      return baseRest(func, start);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of the\n\t     * create function and an array of arguments much like\n\t     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n\t     *\n\t     * **Note:** This method is based on the\n\t     * [spread operator](https://mdn.io/spread_operator).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Function\n\t     * @param {Function} func The function to spread arguments over.\n\t     * @param {number} [start=0] The start position of the spread.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var say = _.spread(function(who, what) {\n\t     *   return who + ' says ' + what;\n\t     * });\n\t     *\n\t     * say(['fred', 'hello']);\n\t     * // => 'fred says hello'\n\t     *\n\t     * var numbers = Promise.all([\n\t     *   Promise.resolve(40),\n\t     *   Promise.resolve(36)\n\t     * ]);\n\t     *\n\t     * numbers.then(_.spread(function(x, y) {\n\t     *   return x + y;\n\t     * }));\n\t     * // => a Promise of 76\n\t     */\n\t    function spread(func, start) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n\t      return baseRest(function(args) {\n\t        var array = args[start],\n\t            otherArgs = castSlice(args, 0, start);\n\t\n\t        if (array) {\n\t          arrayPush(otherArgs, array);\n\t        }\n\t        return apply(func, this, otherArgs);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a throttled function that only invokes `func` at most once per\n\t     * every `wait` milliseconds. The throttled function comes with a `cancel`\n\t     * method to cancel delayed `func` invocations and a `flush` method to\n\t     * immediately invoke them. Provide `options` to indicate whether `func`\n\t     * should be invoked on the leading and/or trailing edge of the `wait`\n\t     * timeout. The `func` is invoked with the last arguments provided to the\n\t     * throttled function. Subsequent calls to the throttled function return the\n\t     * result of the last `func` invocation.\n\t     *\n\t     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n\t     * invoked on the trailing edge of the timeout only if the throttled function\n\t     * is invoked more than once during the `wait` timeout.\n\t     *\n\t     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n\t     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n\t     *\n\t     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n\t     * for details over the differences between `_.throttle` and `_.debounce`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to throttle.\n\t     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.leading=true]\n\t     *  Specify invoking on the leading edge of the timeout.\n\t     * @param {boolean} [options.trailing=true]\n\t     *  Specify invoking on the trailing edge of the timeout.\n\t     * @returns {Function} Returns the new throttled function.\n\t     * @example\n\t     *\n\t     * // Avoid excessively updating the position while scrolling.\n\t     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n\t     *\n\t     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n\t     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n\t     * jQuery(element).on('click', throttled);\n\t     *\n\t     * // Cancel the trailing throttled invocation.\n\t     * jQuery(window).on('popstate', throttled.cancel);\n\t     */\n\t    function throttle(func, wait, options) {\n\t      var leading = true,\n\t          trailing = true;\n\t\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      if (isObject(options)) {\n\t        leading = 'leading' in options ? !!options.leading : leading;\n\t        trailing = 'trailing' in options ? !!options.trailing : trailing;\n\t      }\n\t      return debounce(func, wait, {\n\t        'leading': leading,\n\t        'maxWait': wait,\n\t        'trailing': trailing\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that accepts up to one argument, ignoring any\n\t     * additional arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to cap arguments for.\n\t     * @returns {Function} Returns the new capped function.\n\t     * @example\n\t     *\n\t     * _.map(['6', '8', '10'], _.unary(parseInt));\n\t     * // => [6, 8, 10]\n\t     */\n\t    function unary(func) {\n\t      return ary(func, 1);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that provides `value` to `wrapper` as its first\n\t     * argument. Any additional arguments provided to the function are appended\n\t     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n\t     * binding of the created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {*} value The value to wrap.\n\t     * @param {Function} [wrapper=identity] The wrapper function.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var p = _.wrap(_.escape, function(func, text) {\n\t     *   return '<p>' + func(text) + '</p>';\n\t     * });\n\t     *\n\t     * p('fred, barney, & pebbles');\n\t     * // => '<p>fred, barney, &amp; pebbles</p>'\n\t     */\n\t    function wrap(value, wrapper) {\n\t      return partial(castFunction(wrapper), value);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Casts `value` as an array if it's not one.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.4.0\n\t     * @category Lang\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Array} Returns the cast array.\n\t     * @example\n\t     *\n\t     * _.castArray(1);\n\t     * // => [1]\n\t     *\n\t     * _.castArray({ 'a': 1 });\n\t     * // => [{ 'a': 1 }]\n\t     *\n\t     * _.castArray('abc');\n\t     * // => ['abc']\n\t     *\n\t     * _.castArray(null);\n\t     * // => [null]\n\t     *\n\t     * _.castArray(undefined);\n\t     * // => [undefined]\n\t     *\n\t     * _.castArray();\n\t     * // => []\n\t     *\n\t     * var array = [1, 2, 3];\n\t     * console.log(_.castArray(array) === array);\n\t     * // => true\n\t     */\n\t    function castArray() {\n\t      if (!arguments.length) {\n\t        return [];\n\t      }\n\t      var value = arguments[0];\n\t      return isArray(value) ? value : [value];\n\t    }\n\t\n\t    /**\n\t     * Creates a shallow clone of `value`.\n\t     *\n\t     * **Note:** This method is loosely based on the\n\t     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n\t     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n\t     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n\t     * arrays. The own enumerable properties of `arguments` objects are cloned\n\t     * as plain objects. An empty object is returned for uncloneable values such\n\t     * as error objects, functions, DOM nodes, and WeakMaps.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to clone.\n\t     * @returns {*} Returns the cloned value.\n\t     * @see _.cloneDeep\n\t     * @example\n\t     *\n\t     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t     *\n\t     * var shallow = _.clone(objects);\n\t     * console.log(shallow[0] === objects[0]);\n\t     * // => true\n\t     */\n\t    function clone(value) {\n\t      return baseClone(value, CLONE_SYMBOLS_FLAG);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.clone` except that it accepts `customizer` which\n\t     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n\t     * cloning is handled by the method instead. The `customizer` is invoked with\n\t     * up to four arguments; (value [, index|key, object, stack]).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to clone.\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @returns {*} Returns the cloned value.\n\t     * @see _.cloneDeepWith\n\t     * @example\n\t     *\n\t     * function customizer(value) {\n\t     *   if (_.isElement(value)) {\n\t     *     return value.cloneNode(false);\n\t     *   }\n\t     * }\n\t     *\n\t     * var el = _.cloneWith(document.body, customizer);\n\t     *\n\t     * console.log(el === document.body);\n\t     * // => false\n\t     * console.log(el.nodeName);\n\t     * // => 'BODY'\n\t     * console.log(el.childNodes.length);\n\t     * // => 0\n\t     */\n\t    function cloneWith(value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.clone` except that it recursively clones `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to recursively clone.\n\t     * @returns {*} Returns the deep cloned value.\n\t     * @see _.clone\n\t     * @example\n\t     *\n\t     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t     *\n\t     * var deep = _.cloneDeep(objects);\n\t     * console.log(deep[0] === objects[0]);\n\t     * // => false\n\t     */\n\t    function cloneDeep(value) {\n\t      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.cloneWith` except that it recursively clones `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to recursively clone.\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @returns {*} Returns the deep cloned value.\n\t     * @see _.cloneWith\n\t     * @example\n\t     *\n\t     * function customizer(value) {\n\t     *   if (_.isElement(value)) {\n\t     *     return value.cloneNode(true);\n\t     *   }\n\t     * }\n\t     *\n\t     * var el = _.cloneDeepWith(document.body, customizer);\n\t     *\n\t     * console.log(el === document.body);\n\t     * // => false\n\t     * console.log(el.nodeName);\n\t     * // => 'BODY'\n\t     * console.log(el.childNodes.length);\n\t     * // => 20\n\t     */\n\t    function cloneDeepWith(value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n\t    }\n\t\n\t    /**\n\t     * Checks if `object` conforms to `source` by invoking the predicate\n\t     * properties of `source` with the corresponding property values of `object`.\n\t     *\n\t     * **Note:** This method is equivalent to `_.conforms` when `source` is\n\t     * partially applied.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.14.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     *\n\t     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n\t     * // => true\n\t     *\n\t     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n\t     * // => false\n\t     */\n\t    function conformsTo(object, source) {\n\t      return source == null || baseConformsTo(object, source, keys(source));\n\t    }\n\t\n\t    /**\n\t     * Performs a\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * comparison between two values to determine if they are equivalent.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     * var other = { 'a': 1 };\n\t     *\n\t     * _.eq(object, object);\n\t     * // => true\n\t     *\n\t     * _.eq(object, other);\n\t     * // => false\n\t     *\n\t     * _.eq('a', 'a');\n\t     * // => true\n\t     *\n\t     * _.eq('a', Object('a'));\n\t     * // => false\n\t     *\n\t     * _.eq(NaN, NaN);\n\t     * // => true\n\t     */\n\t    function eq(value, other) {\n\t      return value === other || (value !== value && other !== other);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is greater than `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t     *  else `false`.\n\t     * @see _.lt\n\t     * @example\n\t     *\n\t     * _.gt(3, 1);\n\t     * // => true\n\t     *\n\t     * _.gt(3, 3);\n\t     * // => false\n\t     *\n\t     * _.gt(1, 3);\n\t     * // => false\n\t     */\n\t    var gt = createRelationalOperation(baseGt);\n\t\n\t    /**\n\t     * Checks if `value` is greater than or equal to `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n\t     *  `other`, else `false`.\n\t     * @see _.lte\n\t     * @example\n\t     *\n\t     * _.gte(3, 1);\n\t     * // => true\n\t     *\n\t     * _.gte(3, 3);\n\t     * // => true\n\t     *\n\t     * _.gte(1, 3);\n\t     * // => false\n\t     */\n\t    var gte = createRelationalOperation(function(value, other) {\n\t      return value >= other;\n\t    });\n\t\n\t    /**\n\t     * Checks if `value` is likely an `arguments` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isArguments(function() { return arguments; }());\n\t     * // => true\n\t     *\n\t     * _.isArguments([1, 2, 3]);\n\t     * // => false\n\t     */\n\t    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n\t      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n\t        !propertyIsEnumerable.call(value, 'callee');\n\t    };\n\t\n\t    /**\n\t     * Checks if `value` is classified as an `Array` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArray([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArray(document.body.children);\n\t     * // => false\n\t     *\n\t     * _.isArray('abc');\n\t     * // => false\n\t     *\n\t     * _.isArray(_.noop);\n\t     * // => false\n\t     */\n\t    var isArray = Array.isArray;\n\t\n\t    /**\n\t     * Checks if `value` is classified as an `ArrayBuffer` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayBuffer(new ArrayBuffer(2));\n\t     * // => true\n\t     *\n\t     * _.isArrayBuffer(new Array(2));\n\t     * // => false\n\t     */\n\t    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\t\n\t    /**\n\t     * Checks if `value` is array-like. A value is considered array-like if it's\n\t     * not a function and has a `value.length` that's an integer greater than or\n\t     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayLike([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArrayLike(document.body.children);\n\t     * // => true\n\t     *\n\t     * _.isArrayLike('abc');\n\t     * // => true\n\t     *\n\t     * _.isArrayLike(_.noop);\n\t     * // => false\n\t     */\n\t    function isArrayLike(value) {\n\t      return value != null && isLength(value.length) && !isFunction(value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isArrayLike` except that it also checks if `value`\n\t     * is an object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array-like object,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayLikeObject([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArrayLikeObject(document.body.children);\n\t     * // => true\n\t     *\n\t     * _.isArrayLikeObject('abc');\n\t     * // => false\n\t     *\n\t     * _.isArrayLikeObject(_.noop);\n\t     * // => false\n\t     */\n\t    function isArrayLikeObject(value) {\n\t      return isObjectLike(value) && isArrayLike(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a boolean primitive or object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n\t     * @example\n\t     *\n\t     * _.isBoolean(false);\n\t     * // => true\n\t     *\n\t     * _.isBoolean(null);\n\t     * // => false\n\t     */\n\t    function isBoolean(value) {\n\t      return value === true || value === false ||\n\t        (isObjectLike(value) && baseGetTag(value) == boolTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a buffer.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isBuffer(new Buffer(2));\n\t     * // => true\n\t     *\n\t     * _.isBuffer(new Uint8Array(2));\n\t     * // => false\n\t     */\n\t    var isBuffer = nativeIsBuffer || stubFalse;\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Date` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isDate(new Date);\n\t     * // => true\n\t     *\n\t     * _.isDate('Mon April 23 2012');\n\t     * // => false\n\t     */\n\t    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\t\n\t    /**\n\t     * Checks if `value` is likely a DOM element.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n\t     * @example\n\t     *\n\t     * _.isElement(document.body);\n\t     * // => true\n\t     *\n\t     * _.isElement('<body>');\n\t     * // => false\n\t     */\n\t    function isElement(value) {\n\t      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an empty object, collection, map, or set.\n\t     *\n\t     * Objects are considered empty if they have no own enumerable string keyed\n\t     * properties.\n\t     *\n\t     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n\t     * jQuery-like collections are considered empty if they have a `length` of `0`.\n\t     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n\t     * @example\n\t     *\n\t     * _.isEmpty(null);\n\t     * // => true\n\t     *\n\t     * _.isEmpty(true);\n\t     * // => true\n\t     *\n\t     * _.isEmpty(1);\n\t     * // => true\n\t     *\n\t     * _.isEmpty([1, 2, 3]);\n\t     * // => false\n\t     *\n\t     * _.isEmpty({ 'a': 1 });\n\t     * // => false\n\t     */\n\t    function isEmpty(value) {\n\t      if (value == null) {\n\t        return true;\n\t      }\n\t      if (isArrayLike(value) &&\n\t          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n\t            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n\t        return !value.length;\n\t      }\n\t      var tag = getTag(value);\n\t      if (tag == mapTag || tag == setTag) {\n\t        return !value.size;\n\t      }\n\t      if (isPrototype(value)) {\n\t        return !baseKeys(value).length;\n\t      }\n\t      for (var key in value) {\n\t        if (hasOwnProperty.call(value, key)) {\n\t          return false;\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Performs a deep comparison between two values to determine if they are\n\t     * equivalent.\n\t     *\n\t     * **Note:** This method supports comparing arrays, array buffers, booleans,\n\t     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n\t     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n\t     * by their own, not inherited, enumerable properties. Functions and DOM\n\t     * nodes are compared by strict equality, i.e. `===`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     * var other = { 'a': 1 };\n\t     *\n\t     * _.isEqual(object, other);\n\t     * // => true\n\t     *\n\t     * object === other;\n\t     * // => false\n\t     */\n\t    function isEqual(value, other) {\n\t      return baseIsEqual(value, other);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isEqual` except that it accepts `customizer` which\n\t     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t     * are handled by the method instead. The `customizer` is invoked with up to\n\t     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * function isGreeting(value) {\n\t     *   return /^h(?:i|ello)$/.test(value);\n\t     * }\n\t     *\n\t     * function customizer(objValue, othValue) {\n\t     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n\t     *     return true;\n\t     *   }\n\t     * }\n\t     *\n\t     * var array = ['hello', 'goodbye'];\n\t     * var other = ['hi', 'goodbye'];\n\t     *\n\t     * _.isEqualWith(array, other, customizer);\n\t     * // => true\n\t     */\n\t    function isEqualWith(value, other, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      var result = customizer ? customizer(value, other) : undefined;\n\t      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n\t     * `SyntaxError`, `TypeError`, or `URIError` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isError(new Error);\n\t     * // => true\n\t     *\n\t     * _.isError(Error);\n\t     * // => false\n\t     */\n\t    function isError(value) {\n\t      if (!isObjectLike(value)) {\n\t        return false;\n\t      }\n\t      var tag = baseGetTag(value);\n\t      return tag == errorTag || tag == domExcTag ||\n\t        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a finite primitive number.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n\t     * @example\n\t     *\n\t     * _.isFinite(3);\n\t     * // => true\n\t     *\n\t     * _.isFinite(Number.MIN_VALUE);\n\t     * // => true\n\t     *\n\t     * _.isFinite(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isFinite('3');\n\t     * // => false\n\t     */\n\t    function isFinite(value) {\n\t      return typeof value == 'number' && nativeIsFinite(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Function` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n\t     * @example\n\t     *\n\t     * _.isFunction(_);\n\t     * // => true\n\t     *\n\t     * _.isFunction(/abc/);\n\t     * // => false\n\t     */\n\t    function isFunction(value) {\n\t      if (!isObject(value)) {\n\t        return false;\n\t      }\n\t      // The use of `Object#toString` avoids issues with the `typeof` operator\n\t      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n\t      var tag = baseGetTag(value);\n\t      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an integer.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isInteger(3);\n\t     * // => true\n\t     *\n\t     * _.isInteger(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isInteger(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isInteger('3');\n\t     * // => false\n\t     */\n\t    function isInteger(value) {\n\t      return typeof value == 'number' && value == toInteger(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a valid array-like length.\n\t     *\n\t     * **Note:** This method is loosely based on\n\t     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n\t     * @example\n\t     *\n\t     * _.isLength(3);\n\t     * // => true\n\t     *\n\t     * _.isLength(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isLength(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isLength('3');\n\t     * // => false\n\t     */\n\t    function isLength(value) {\n\t      return typeof value == 'number' &&\n\t        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is the\n\t     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n\t     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isObject({});\n\t     * // => true\n\t     *\n\t     * _.isObject([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isObject(_.noop);\n\t     * // => true\n\t     *\n\t     * _.isObject(null);\n\t     * // => false\n\t     */\n\t    function isObject(value) {\n\t      var type = typeof value;\n\t      return value != null && (type == 'object' || type == 'function');\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is object-like. A value is object-like if it's not `null`\n\t     * and has a `typeof` result of \"object\".\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n\t     * @example\n\t     *\n\t     * _.isObjectLike({});\n\t     * // => true\n\t     *\n\t     * _.isObjectLike([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isObjectLike(_.noop);\n\t     * // => false\n\t     *\n\t     * _.isObjectLike(null);\n\t     * // => false\n\t     */\n\t    function isObjectLike(value) {\n\t      return value != null && typeof value == 'object';\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Map` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n\t     * @example\n\t     *\n\t     * _.isMap(new Map);\n\t     * // => true\n\t     *\n\t     * _.isMap(new WeakMap);\n\t     * // => false\n\t     */\n\t    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\t\n\t    /**\n\t     * Performs a partial deep comparison between `object` and `source` to\n\t     * determine if `object` contains equivalent property values.\n\t     *\n\t     * **Note:** This method is equivalent to `_.matches` when `source` is\n\t     * partially applied.\n\t     *\n\t     * Partial comparisons will match empty array and empty object `source`\n\t     * values against any array or object value, respectively. See `_.isEqual`\n\t     * for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     *\n\t     * _.isMatch(object, { 'b': 2 });\n\t     * // => true\n\t     *\n\t     * _.isMatch(object, { 'b': 1 });\n\t     * // => false\n\t     */\n\t    function isMatch(object, source) {\n\t      return object === source || baseIsMatch(object, source, getMatchData(source));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isMatch` except that it accepts `customizer` which\n\t     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t     * are handled by the method instead. The `customizer` is invoked with five\n\t     * arguments: (objValue, srcValue, index|key, object, source).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     * @example\n\t     *\n\t     * function isGreeting(value) {\n\t     *   return /^h(?:i|ello)$/.test(value);\n\t     * }\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n\t     *     return true;\n\t     *   }\n\t     * }\n\t     *\n\t     * var object = { 'greeting': 'hello' };\n\t     * var source = { 'greeting': 'hi' };\n\t     *\n\t     * _.isMatchWith(object, source, customizer);\n\t     * // => true\n\t     */\n\t    function isMatchWith(object, source, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseIsMatch(object, source, getMatchData(source), customizer);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `NaN`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n\t     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n\t     * `undefined` and other non-number values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNaN(NaN);\n\t     * // => true\n\t     *\n\t     * _.isNaN(new Number(NaN));\n\t     * // => true\n\t     *\n\t     * isNaN(undefined);\n\t     * // => true\n\t     *\n\t     * _.isNaN(undefined);\n\t     * // => false\n\t     */\n\t    function isNaN(value) {\n\t      // An `NaN` primitive is the only value that is not equal to itself.\n\t      // Perform the `toStringTag` check first to avoid errors with some\n\t      // ActiveX objects in IE.\n\t      return isNumber(value) && value != +value;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a pristine native function.\n\t     *\n\t     * **Note:** This method can't reliably detect native functions in the presence\n\t     * of the core-js package because core-js circumvents this kind of detection.\n\t     * Despite multiple requests, the core-js maintainer has made it clear: any\n\t     * attempt to fix the detection will be obstructed. As a result, we're left\n\t     * with little choice but to throw an error. Unfortunately, this also affects\n\t     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n\t     * which rely on core-js.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a native function,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isNative(Array.prototype.push);\n\t     * // => true\n\t     *\n\t     * _.isNative(_);\n\t     * // => false\n\t     */\n\t    function isNative(value) {\n\t      if (isMaskable(value)) {\n\t        throw new Error(CORE_ERROR_TEXT);\n\t      }\n\t      return baseIsNative(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `null`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNull(null);\n\t     * // => true\n\t     *\n\t     * _.isNull(void 0);\n\t     * // => false\n\t     */\n\t    function isNull(value) {\n\t      return value === null;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `null` or `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNil(null);\n\t     * // => true\n\t     *\n\t     * _.isNil(void 0);\n\t     * // => true\n\t     *\n\t     * _.isNil(NaN);\n\t     * // => false\n\t     */\n\t    function isNil(value) {\n\t      return value == null;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Number` primitive or object.\n\t     *\n\t     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n\t     * classified as numbers, use the `_.isFinite` method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNumber(3);\n\t     * // => true\n\t     *\n\t     * _.isNumber(Number.MIN_VALUE);\n\t     * // => true\n\t     *\n\t     * _.isNumber(Infinity);\n\t     * // => true\n\t     *\n\t     * _.isNumber('3');\n\t     * // => false\n\t     */\n\t    function isNumber(value) {\n\t      return typeof value == 'number' ||\n\t        (isObjectLike(value) && baseGetTag(value) == numberTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a plain object, that is, an object created by the\n\t     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.8.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * _.isPlainObject(new Foo);\n\t     * // => false\n\t     *\n\t     * _.isPlainObject([1, 2, 3]);\n\t     * // => false\n\t     *\n\t     * _.isPlainObject({ 'x': 0, 'y': 0 });\n\t     * // => true\n\t     *\n\t     * _.isPlainObject(Object.create(null));\n\t     * // => true\n\t     */\n\t    function isPlainObject(value) {\n\t      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n\t        return false;\n\t      }\n\t      var proto = getPrototype(value);\n\t      if (proto === null) {\n\t        return true;\n\t      }\n\t      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n\t      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n\t        funcToString.call(Ctor) == objectCtorString;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `RegExp` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n\t     * @example\n\t     *\n\t     * _.isRegExp(/abc/);\n\t     * // => true\n\t     *\n\t     * _.isRegExp('/abc/');\n\t     * // => false\n\t     */\n\t    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\t\n\t    /**\n\t     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n\t     * double precision number which isn't the result of a rounded unsafe integer.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSafeInteger(3);\n\t     * // => true\n\t     *\n\t     * _.isSafeInteger(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isSafeInteger(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isSafeInteger('3');\n\t     * // => false\n\t     */\n\t    function isSafeInteger(value) {\n\t      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Set` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSet(new Set);\n\t     * // => true\n\t     *\n\t     * _.isSet(new WeakSet);\n\t     * // => false\n\t     */\n\t    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `String` primitive or object.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n\t     * @example\n\t     *\n\t     * _.isString('abc');\n\t     * // => true\n\t     *\n\t     * _.isString(1);\n\t     * // => false\n\t     */\n\t    function isString(value) {\n\t      return typeof value == 'string' ||\n\t        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Symbol` primitive or object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSymbol(Symbol.iterator);\n\t     * // => true\n\t     *\n\t     * _.isSymbol('abc');\n\t     * // => false\n\t     */\n\t    function isSymbol(value) {\n\t      return typeof value == 'symbol' ||\n\t        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a typed array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n\t     * @example\n\t     *\n\t     * _.isTypedArray(new Uint8Array);\n\t     * // => true\n\t     *\n\t     * _.isTypedArray([]);\n\t     * // => false\n\t     */\n\t    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\t\n\t    /**\n\t     * Checks if `value` is `undefined`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isUndefined(void 0);\n\t     * // => true\n\t     *\n\t     * _.isUndefined(null);\n\t     * // => false\n\t     */\n\t    function isUndefined(value) {\n\t      return value === undefined;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `WeakMap` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n\t     * @example\n\t     *\n\t     * _.isWeakMap(new WeakMap);\n\t     * // => true\n\t     *\n\t     * _.isWeakMap(new Map);\n\t     * // => false\n\t     */\n\t    function isWeakMap(value) {\n\t      return isObjectLike(value) && getTag(value) == weakMapTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `WeakSet` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n\t     * @example\n\t     *\n\t     * _.isWeakSet(new WeakSet);\n\t     * // => true\n\t     *\n\t     * _.isWeakSet(new Set);\n\t     * // => false\n\t     */\n\t    function isWeakSet(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is less than `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t     *  else `false`.\n\t     * @see _.gt\n\t     * @example\n\t     *\n\t     * _.lt(1, 3);\n\t     * // => true\n\t     *\n\t     * _.lt(3, 3);\n\t     * // => false\n\t     *\n\t     * _.lt(3, 1);\n\t     * // => false\n\t     */\n\t    var lt = createRelationalOperation(baseLt);\n\t\n\t    /**\n\t     * Checks if `value` is less than or equal to `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than or equal to\n\t     *  `other`, else `false`.\n\t     * @see _.gte\n\t     * @example\n\t     *\n\t     * _.lte(1, 3);\n\t     * // => true\n\t     *\n\t     * _.lte(3, 3);\n\t     * // => true\n\t     *\n\t     * _.lte(3, 1);\n\t     * // => false\n\t     */\n\t    var lte = createRelationalOperation(function(value, other) {\n\t      return value <= other;\n\t    });\n\t\n\t    /**\n\t     * Converts `value` to an array.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {Array} Returns the converted array.\n\t     * @example\n\t     *\n\t     * _.toArray({ 'a': 1, 'b': 2 });\n\t     * // => [1, 2]\n\t     *\n\t     * _.toArray('abc');\n\t     * // => ['a', 'b', 'c']\n\t     *\n\t     * _.toArray(1);\n\t     * // => []\n\t     *\n\t     * _.toArray(null);\n\t     * // => []\n\t     */\n\t    function toArray(value) {\n\t      if (!value) {\n\t        return [];\n\t      }\n\t      if (isArrayLike(value)) {\n\t        return isString(value) ? stringToArray(value) : copyArray(value);\n\t      }\n\t      if (symIterator && value[symIterator]) {\n\t        return iteratorToArray(value[symIterator]());\n\t      }\n\t      var tag = getTag(value),\n\t          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\t\n\t      return func(value);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a finite number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.12.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted number.\n\t     * @example\n\t     *\n\t     * _.toFinite(3.2);\n\t     * // => 3.2\n\t     *\n\t     * _.toFinite(Number.MIN_VALUE);\n\t     * // => 5e-324\n\t     *\n\t     * _.toFinite(Infinity);\n\t     * // => 1.7976931348623157e+308\n\t     *\n\t     * _.toFinite('3.2');\n\t     * // => 3.2\n\t     */\n\t    function toFinite(value) {\n\t      if (!value) {\n\t        return value === 0 ? value : 0;\n\t      }\n\t      value = toNumber(value);\n\t      if (value === INFINITY || value === -INFINITY) {\n\t        var sign = (value < 0 ? -1 : 1);\n\t        return sign * MAX_INTEGER;\n\t      }\n\t      return value === value ? value : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to an integer.\n\t     *\n\t     * **Note:** This method is loosely based on\n\t     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toInteger(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toInteger(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toInteger(Infinity);\n\t     * // => 1.7976931348623157e+308\n\t     *\n\t     * _.toInteger('3.2');\n\t     * // => 3\n\t     */\n\t    function toInteger(value) {\n\t      var result = toFinite(value),\n\t          remainder = result % 1;\n\t\n\t      return result === result ? (remainder ? result - remainder : result) : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to an integer suitable for use as the length of an\n\t     * array-like object.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toLength(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toLength(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toLength(Infinity);\n\t     * // => 4294967295\n\t     *\n\t     * _.toLength('3.2');\n\t     * // => 3\n\t     */\n\t    function toLength(value) {\n\t      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to process.\n\t     * @returns {number} Returns the number.\n\t     * @example\n\t     *\n\t     * _.toNumber(3.2);\n\t     * // => 3.2\n\t     *\n\t     * _.toNumber(Number.MIN_VALUE);\n\t     * // => 5e-324\n\t     *\n\t     * _.toNumber(Infinity);\n\t     * // => Infinity\n\t     *\n\t     * _.toNumber('3.2');\n\t     * // => 3.2\n\t     */\n\t    function toNumber(value) {\n\t      if (typeof value == 'number') {\n\t        return value;\n\t      }\n\t      if (isSymbol(value)) {\n\t        return NAN;\n\t      }\n\t      if (isObject(value)) {\n\t        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n\t        value = isObject(other) ? (other + '') : other;\n\t      }\n\t      if (typeof value != 'string') {\n\t        return value === 0 ? value : +value;\n\t      }\n\t      value = value.replace(reTrim, '');\n\t      var isBinary = reIsBinary.test(value);\n\t      return (isBinary || reIsOctal.test(value))\n\t        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n\t        : (reIsBadHex.test(value) ? NAN : +value);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a plain object flattening inherited enumerable string\n\t     * keyed properties of `value` to own properties of the plain object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {Object} Returns the converted plain object.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.assign({ 'a': 1 }, new Foo);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     *\n\t     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n\t     * // => { 'a': 1, 'b': 2, 'c': 3 }\n\t     */\n\t    function toPlainObject(value) {\n\t      return copyObject(value, keysIn(value));\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a safe integer. A safe integer can be compared and\n\t     * represented correctly.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toSafeInteger(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toSafeInteger(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toSafeInteger(Infinity);\n\t     * // => 9007199254740991\n\t     *\n\t     * _.toSafeInteger('3.2');\n\t     * // => 3\n\t     */\n\t    function toSafeInteger(value) {\n\t      return value\n\t        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n\t        : (value === 0 ? value : 0);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a string. An empty string is returned for `null`\n\t     * and `undefined` values. The sign of `-0` is preserved.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.toString(null);\n\t     * // => ''\n\t     *\n\t     * _.toString(-0);\n\t     * // => '-0'\n\t     *\n\t     * _.toString([1, 2, 3]);\n\t     * // => '1,2,3'\n\t     */\n\t    function toString(value) {\n\t      return value == null ? '' : baseToString(value);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Assigns own enumerable string keyed properties of source objects to the\n\t     * destination object. Source objects are applied from left to right.\n\t     * Subsequent sources overwrite property assignments of previous sources.\n\t     *\n\t     * **Note:** This method mutates `object` and is loosely based on\n\t     * [`Object.assign`](https://mdn.io/Object/assign).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.10.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * function Bar() {\n\t     *   this.c = 3;\n\t     * }\n\t     *\n\t     * Foo.prototype.b = 2;\n\t     * Bar.prototype.d = 4;\n\t     *\n\t     * _.assign({ 'a': 0 }, new Foo, new Bar);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    var assign = createAssigner(function(object, source) {\n\t      if (isPrototype(source) || isArrayLike(source)) {\n\t        copyObject(source, keys(source), object);\n\t        return;\n\t      }\n\t      for (var key in source) {\n\t        if (hasOwnProperty.call(source, key)) {\n\t          assignValue(object, key, source[key]);\n\t        }\n\t      }\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it iterates over own and\n\t     * inherited source properties.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias extend\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assign\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * function Bar() {\n\t     *   this.c = 3;\n\t     * }\n\t     *\n\t     * Foo.prototype.b = 2;\n\t     * Bar.prototype.d = 4;\n\t     *\n\t     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n\t     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n\t     */\n\t    var assignIn = createAssigner(function(object, source) {\n\t      copyObject(source, keysIn(source), object);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assignIn` except that it accepts `customizer`\n\t     * which is invoked to produce the assigned values. If `customizer` returns\n\t     * `undefined`, assignment is handled by the method instead. The `customizer`\n\t     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias extendWith\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignWith\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   return _.isUndefined(objValue) ? srcValue : objValue;\n\t     * }\n\t     *\n\t     * var defaults = _.partialRight(_.assignInWith, customizer);\n\t     *\n\t     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      copyObject(source, keysIn(source), object, customizer);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it accepts `customizer`\n\t     * which is invoked to produce the assigned values. If `customizer` returns\n\t     * `undefined`, assignment is handled by the method instead. The `customizer`\n\t     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignInWith\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   return _.isUndefined(objValue) ? srcValue : objValue;\n\t     * }\n\t     *\n\t     * var defaults = _.partialRight(_.assignWith, customizer);\n\t     *\n\t     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      copyObject(source, keys(source), object, customizer);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of values corresponding to `paths` of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Array} Returns the picked values.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t     *\n\t     * _.at(object, ['a[0].b.c', 'a[1]']);\n\t     * // => [3, 4]\n\t     */\n\t    var at = flatRest(baseAt);\n\t\n\t    /**\n\t     * Creates an object that inherits from the `prototype` object. If a\n\t     * `properties` object is given, its own enumerable string keyed properties\n\t     * are assigned to the created object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.3.0\n\t     * @category Object\n\t     * @param {Object} prototype The object to inherit from.\n\t     * @param {Object} [properties] The properties to assign to the object.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * function Shape() {\n\t     *   this.x = 0;\n\t     *   this.y = 0;\n\t     * }\n\t     *\n\t     * function Circle() {\n\t     *   Shape.call(this);\n\t     * }\n\t     *\n\t     * Circle.prototype = _.create(Shape.prototype, {\n\t     *   'constructor': Circle\n\t     * });\n\t     *\n\t     * var circle = new Circle;\n\t     * circle instanceof Circle;\n\t     * // => true\n\t     *\n\t     * circle instanceof Shape;\n\t     * // => true\n\t     */\n\t    function create(prototype, properties) {\n\t      var result = baseCreate(prototype);\n\t      return properties == null ? result : baseAssign(result, properties);\n\t    }\n\t\n\t    /**\n\t     * Assigns own and inherited enumerable string keyed properties of source\n\t     * objects to the destination object for all destination properties that\n\t     * resolve to `undefined`. Source objects are applied from left to right.\n\t     * Once a property is set, additional values of the same property are ignored.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.defaultsDeep\n\t     * @example\n\t     *\n\t     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var defaults = baseRest(function(args) {\n\t      args.push(undefined, customDefaultsAssignIn);\n\t      return apply(assignInWith, undefined, args);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.defaults` except that it recursively assigns\n\t     * default properties.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.defaults\n\t     * @example\n\t     *\n\t     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n\t     * // => { 'a': { 'b': 2, 'c': 3 } }\n\t     */\n\t    var defaultsDeep = baseRest(function(args) {\n\t      args.push(undefined, customDefaultsMerge);\n\t      return apply(mergeWith, undefined, args);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.find` except that it returns the key of the first\n\t     * element `predicate` returns truthy for instead of the element itself.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {string|undefined} Returns the key of the matched element,\n\t     *  else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'barney':  { 'age': 36, 'active': true },\n\t     *   'fred':    { 'age': 40, 'active': false },\n\t     *   'pebbles': { 'age': 1,  'active': true }\n\t     * };\n\t     *\n\t     * _.findKey(users, function(o) { return o.age < 40; });\n\t     * // => 'barney' (iteration order is not guaranteed)\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findKey(users, { 'age': 1, 'active': true });\n\t     * // => 'pebbles'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findKey(users, ['active', false]);\n\t     * // => 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findKey(users, 'active');\n\t     * // => 'barney'\n\t     */\n\t    function findKey(object, predicate) {\n\t      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.findKey` except that it iterates over elements of\n\t     * a collection in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {string|undefined} Returns the key of the matched element,\n\t     *  else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'barney':  { 'age': 36, 'active': true },\n\t     *   'fred':    { 'age': 40, 'active': false },\n\t     *   'pebbles': { 'age': 1,  'active': true }\n\t     * };\n\t     *\n\t     * _.findLastKey(users, function(o) { return o.age < 40; });\n\t     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findLastKey(users, { 'age': 36, 'active': true });\n\t     * // => 'barney'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findLastKey(users, ['active', false]);\n\t     * // => 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findLastKey(users, 'active');\n\t     * // => 'pebbles'\n\t     */\n\t    function findLastKey(object, predicate) {\n\t      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n\t    }\n\t\n\t    /**\n\t     * Iterates over own and inherited enumerable string keyed properties of an\n\t     * object and invokes `iteratee` for each property. The iteratee is invoked\n\t     * with three arguments: (value, key, object). Iteratee functions may exit\n\t     * iteration early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forInRight\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forIn(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n\t     */\n\t    function forIn(object, iteratee) {\n\t      return object == null\n\t        ? object\n\t        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forIn` except that it iterates over properties of\n\t     * `object` in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forInRight(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n\t     */\n\t    function forInRight(object, iteratee) {\n\t      return object == null\n\t        ? object\n\t        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n\t    }\n\t\n\t    /**\n\t     * Iterates over own enumerable string keyed properties of an object and\n\t     * invokes `iteratee` for each property. The iteratee is invoked with three\n\t     * arguments: (value, key, object). Iteratee functions may exit iteration\n\t     * early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forOwnRight\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forOwn(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t     */\n\t    function forOwn(object, iteratee) {\n\t      return object && baseForOwn(object, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forOwn` except that it iterates over properties of\n\t     * `object` in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forOwn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forOwnRight(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n\t     */\n\t    function forOwnRight(object, iteratee) {\n\t      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of function property names from own enumerable properties\n\t     * of `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @returns {Array} Returns the function names.\n\t     * @see _.functionsIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = _.constant('a');\n\t     *   this.b = _.constant('b');\n\t     * }\n\t     *\n\t     * Foo.prototype.c = _.constant('c');\n\t     *\n\t     * _.functions(new Foo);\n\t     * // => ['a', 'b']\n\t     */\n\t    function functions(object) {\n\t      return object == null ? [] : baseFunctions(object, keys(object));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of function property names from own and inherited\n\t     * enumerable properties of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @returns {Array} Returns the function names.\n\t     * @see _.functions\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = _.constant('a');\n\t     *   this.b = _.constant('b');\n\t     * }\n\t     *\n\t     * Foo.prototype.c = _.constant('c');\n\t     *\n\t     * _.functionsIn(new Foo);\n\t     * // => ['a', 'b', 'c']\n\t     */\n\t    function functionsIn(object) {\n\t      return object == null ? [] : baseFunctions(object, keysIn(object));\n\t    }\n\t\n\t    /**\n\t     * Gets the value at `path` of `object`. If the resolved value is\n\t     * `undefined`, the `defaultValue` is returned in its place.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.get(object, 'a[0].b.c');\n\t     * // => 3\n\t     *\n\t     * _.get(object, ['a', '0', 'b', 'c']);\n\t     * // => 3\n\t     *\n\t     * _.get(object, 'a.b.c', 'default');\n\t     * // => 'default'\n\t     */\n\t    function get(object, path, defaultValue) {\n\t      var result = object == null ? undefined : baseGet(object, path);\n\t      return result === undefined ? defaultValue : result;\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` is a direct property of `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': { 'b': 2 } };\n\t     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n\t     *\n\t     * _.has(object, 'a');\n\t     * // => true\n\t     *\n\t     * _.has(object, 'a.b');\n\t     * // => true\n\t     *\n\t     * _.has(object, ['a', 'b']);\n\t     * // => true\n\t     *\n\t     * _.has(other, 'a');\n\t     * // => false\n\t     */\n\t    function has(object, path) {\n\t      return object != null && hasPath(object, path, baseHas);\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` is a direct or inherited property of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     * @example\n\t     *\n\t     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n\t     *\n\t     * _.hasIn(object, 'a');\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, 'a.b');\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, ['a', 'b']);\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, 'b');\n\t     * // => false\n\t     */\n\t    function hasIn(object, path) {\n\t      return object != null && hasPath(object, path, baseHasIn);\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of the inverted keys and values of `object`.\n\t     * If `object` contains duplicate values, subsequent values overwrite\n\t     * property assignments of previous values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to invert.\n\t     * @returns {Object} Returns the new inverted object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t     *\n\t     * _.invert(object);\n\t     * // => { '1': 'c', '2': 'b' }\n\t     */\n\t    var invert = createInverter(function(result, value, key) {\n\t      result[value] = key;\n\t    }, constant(identity));\n\t\n\t    /**\n\t     * This method is like `_.invert` except that the inverted object is generated\n\t     * from the results of running each element of `object` thru `iteratee`. The\n\t     * corresponding inverted value of each inverted key is an array of keys\n\t     * responsible for generating the inverted value. The iteratee is invoked\n\t     * with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.1.0\n\t     * @category Object\n\t     * @param {Object} object The object to invert.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Object} Returns the new inverted object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t     *\n\t     * _.invertBy(object);\n\t     * // => { '1': ['a', 'c'], '2': ['b'] }\n\t     *\n\t     * _.invertBy(object, function(value) {\n\t     *   return 'group' + value;\n\t     * });\n\t     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n\t     */\n\t    var invertBy = createInverter(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, value)) {\n\t        result[value].push(key);\n\t      } else {\n\t        result[value] = [key];\n\t      }\n\t    }, getIteratee);\n\t\n\t    /**\n\t     * Invokes the method at `path` of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {*} Returns the result of the invoked method.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n\t     *\n\t     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n\t     * // => [2, 3]\n\t     */\n\t    var invoke = baseRest(baseInvoke);\n\t\n\t    /**\n\t     * Creates an array of the own enumerable property names of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects. See the\n\t     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n\t     * for more details.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.keys(new Foo);\n\t     * // => ['a', 'b'] (iteration order is not guaranteed)\n\t     *\n\t     * _.keys('hi');\n\t     * // => ['0', '1']\n\t     */\n\t    function keys(object) {\n\t      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable property names of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.keysIn(new Foo);\n\t     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n\t     */\n\t    function keysIn(object) {\n\t      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.mapValues`; this method creates an object with the\n\t     * same values as `object` and keys generated by running each own enumerable\n\t     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n\t     * with three arguments: (value, key, object).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns the new mapped object.\n\t     * @see _.mapValues\n\t     * @example\n\t     *\n\t     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n\t     *   return key + value;\n\t     * });\n\t     * // => { 'a1': 1, 'b2': 2 }\n\t     */\n\t    function mapKeys(object, iteratee) {\n\t      var result = {};\n\t      iteratee = getIteratee(iteratee, 3);\n\t\n\t      baseForOwn(object, function(value, key, object) {\n\t        baseAssignValue(result, iteratee(value, key, object), value);\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an object with the same keys as `object` and values generated\n\t     * by running each own enumerable string keyed property of `object` thru\n\t     * `iteratee`. The iteratee is invoked with three arguments:\n\t     * (value, key, object).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns the new mapped object.\n\t     * @see _.mapKeys\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'fred':    { 'user': 'fred',    'age': 40 },\n\t     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n\t     * };\n\t     *\n\t     * _.mapValues(users, function(o) { return o.age; });\n\t     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.mapValues(users, 'age');\n\t     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t     */\n\t    function mapValues(object, iteratee) {\n\t      var result = {};\n\t      iteratee = getIteratee(iteratee, 3);\n\t\n\t      baseForOwn(object, function(value, key, object) {\n\t        baseAssignValue(result, key, iteratee(value, key, object));\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it recursively merges own and\n\t     * inherited enumerable string keyed properties of source objects into the\n\t     * destination object. Source properties that resolve to `undefined` are\n\t     * skipped if a destination value exists. Array and plain object properties\n\t     * are merged recursively. Other objects and value types are overridden by\n\t     * assignment. Source objects are applied from left to right. Subsequent\n\t     * sources overwrite property assignments of previous sources.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {\n\t     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n\t     * };\n\t     *\n\t     * var other = {\n\t     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n\t     * };\n\t     *\n\t     * _.merge(object, other);\n\t     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n\t     */\n\t    var merge = createAssigner(function(object, source, srcIndex) {\n\t      baseMerge(object, source, srcIndex);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.merge` except that it accepts `customizer` which\n\t     * is invoked to produce the merged values of the destination and source\n\t     * properties. If `customizer` returns `undefined`, merging is handled by the\n\t     * method instead. The `customizer` is invoked with six arguments:\n\t     * (objValue, srcValue, key, object, source, stack).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} customizer The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   if (_.isArray(objValue)) {\n\t     *     return objValue.concat(srcValue);\n\t     *   }\n\t     * }\n\t     *\n\t     * var object = { 'a': [1], 'b': [2] };\n\t     * var other = { 'a': [3], 'b': [4] };\n\t     *\n\t     * _.mergeWith(object, other, customizer);\n\t     * // => { 'a': [1, 3], 'b': [2, 4] }\n\t     */\n\t    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      baseMerge(object, source, srcIndex, customizer);\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.pick`; this method creates an object composed of the\n\t     * own and inherited enumerable property paths of `object` that are not omitted.\n\t     *\n\t     * **Note:** This method is considerably slower than `_.pick`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {...(string|string[])} [paths] The property paths to omit.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.omit(object, ['a', 'c']);\n\t     * // => { 'b': '2' }\n\t     */\n\t    var omit = flatRest(function(object, paths) {\n\t      var result = {};\n\t      if (object == null) {\n\t        return result;\n\t      }\n\t      var isDeep = false;\n\t      paths = arrayMap(paths, function(path) {\n\t        path = castPath(path, object);\n\t        isDeep || (isDeep = path.length > 1);\n\t        return path;\n\t      });\n\t      copyObject(object, getAllKeysIn(object), result);\n\t      if (isDeep) {\n\t        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n\t      }\n\t      var length = paths.length;\n\t      while (length--) {\n\t        baseUnset(result, paths[length]);\n\t      }\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.pickBy`; this method creates an object composed of\n\t     * the own and inherited enumerable string keyed properties of `object` that\n\t     * `predicate` doesn't return truthy for. The predicate is invoked with two\n\t     * arguments: (value, key).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {Function} [predicate=_.identity] The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.omitBy(object, _.isNumber);\n\t     * // => { 'b': '2' }\n\t     */\n\t    function omitBy(object, predicate) {\n\t      return pickBy(object, negate(getIteratee(predicate)));\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of the picked `object` properties.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.pick(object, ['a', 'c']);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    var pick = flatRest(function(object, paths) {\n\t      return object == null ? {} : basePick(object, paths);\n\t    });\n\t\n\t    /**\n\t     * Creates an object composed of the `object` properties `predicate` returns\n\t     * truthy for. The predicate is invoked with two arguments: (value, key).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {Function} [predicate=_.identity] The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.pickBy(object, _.isNumber);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    function pickBy(object, predicate) {\n\t      if (object == null) {\n\t        return {};\n\t      }\n\t      var props = arrayMap(getAllKeysIn(object), function(prop) {\n\t        return [prop];\n\t      });\n\t      predicate = getIteratee(predicate);\n\t      return basePickBy(object, props, function(value, path) {\n\t        return predicate(value, path[0]);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.get` except that if the resolved value is a\n\t     * function it's invoked with the `this` binding of its parent object and\n\t     * its result is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to resolve.\n\t     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n\t     *\n\t     * _.result(object, 'a[0].b.c1');\n\t     * // => 3\n\t     *\n\t     * _.result(object, 'a[0].b.c2');\n\t     * // => 4\n\t     *\n\t     * _.result(object, 'a[0].b.c3', 'default');\n\t     * // => 'default'\n\t     *\n\t     * _.result(object, 'a[0].b.c3', _.constant('default'));\n\t     * // => 'default'\n\t     */\n\t    function result(object, path, defaultValue) {\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length;\n\t\n\t      // Ensure the loop is entered when path is empty.\n\t      if (!length) {\n\t        length = 1;\n\t        object = undefined;\n\t      }\n\t      while (++index < length) {\n\t        var value = object == null ? undefined : object[toKey(path[index])];\n\t        if (value === undefined) {\n\t          index = length;\n\t          value = defaultValue;\n\t        }\n\t        object = isFunction(value) ? value.call(object) : value;\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n\t     * it's created. Arrays are created for missing index properties while objects\n\t     * are created for all other missing properties. Use `_.setWith` to customize\n\t     * `path` creation.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.set(object, 'a[0].b.c', 4);\n\t     * console.log(object.a[0].b.c);\n\t     * // => 4\n\t     *\n\t     * _.set(object, ['x', '0', 'y', 'z'], 5);\n\t     * console.log(object.x[0].y.z);\n\t     * // => 5\n\t     */\n\t    function set(object, path, value) {\n\t      return object == null ? object : baseSet(object, path, value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.set` except that it accepts `customizer` which is\n\t     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n\t     * path creation is handled by the method instead. The `customizer` is invoked\n\t     * with three arguments: (nsValue, key, nsObject).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {};\n\t     *\n\t     * _.setWith(object, '[0][1]', 'a', Object);\n\t     * // => { '0': { '1': 'a' } }\n\t     */\n\t    function setWith(object, path, value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return object == null ? object : baseSet(object, path, value, customizer);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own enumerable string keyed-value pairs for `object`\n\t     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n\t     * entries are returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias entries\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the key-value pairs.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.toPairs(new Foo);\n\t     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n\t     */\n\t    var toPairs = createToPairs(keys);\n\t\n\t    /**\n\t     * Creates an array of own and inherited enumerable string keyed-value pairs\n\t     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n\t     * or set, its entries are returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias entriesIn\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the key-value pairs.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.toPairsIn(new Foo);\n\t     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n\t     */\n\t    var toPairsIn = createToPairs(keysIn);\n\t\n\t    /**\n\t     * An alternative to `_.reduce`; this method transforms `object` to a new\n\t     * `accumulator` object which is the result of running each of its own\n\t     * enumerable string keyed properties thru `iteratee`, with each invocation\n\t     * potentially mutating the `accumulator` object. If `accumulator` is not\n\t     * provided, a new object with the same `[[Prototype]]` will be used. The\n\t     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The custom accumulator value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @example\n\t     *\n\t     * _.transform([2, 3, 4], function(result, n) {\n\t     *   result.push(n *= n);\n\t     *   return n % 2 == 0;\n\t     * }, []);\n\t     * // => [4, 9]\n\t     *\n\t     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t     *   (result[value] || (result[value] = [])).push(key);\n\t     * }, {});\n\t     * // => { '1': ['a', 'c'], '2': ['b'] }\n\t     */\n\t    function transform(object, iteratee, accumulator) {\n\t      var isArr = isArray(object),\n\t          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\t\n\t      iteratee = getIteratee(iteratee, 4);\n\t      if (accumulator == null) {\n\t        var Ctor = object && object.constructor;\n\t        if (isArrLike) {\n\t          accumulator = isArr ? new Ctor : [];\n\t        }\n\t        else if (isObject(object)) {\n\t          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n\t        }\n\t        else {\n\t          accumulator = {};\n\t        }\n\t      }\n\t      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n\t        return iteratee(accumulator, value, index, object);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * Removes the property at `path` of `object`.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to unset.\n\t     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n\t     * _.unset(object, 'a[0].b.c');\n\t     * // => true\n\t     *\n\t     * console.log(object);\n\t     * // => { 'a': [{ 'b': {} }] };\n\t     *\n\t     * _.unset(object, ['a', '0', 'b', 'c']);\n\t     * // => true\n\t     *\n\t     * console.log(object);\n\t     * // => { 'a': [{ 'b': {} }] };\n\t     */\n\t    function unset(object, path) {\n\t      return object == null ? true : baseUnset(object, path);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.set` except that accepts `updater` to produce the\n\t     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n\t     * is invoked with one argument: (value).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n\t     * console.log(object.a[0].b.c);\n\t     * // => 9\n\t     *\n\t     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n\t     * console.log(object.x[0].y.z);\n\t     * // => 0\n\t     */\n\t    function update(object, path, updater) {\n\t      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.update` except that it accepts `customizer` which is\n\t     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n\t     * path creation is handled by the method instead. The `customizer` is invoked\n\t     * with three arguments: (nsValue, key, nsObject).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {};\n\t     *\n\t     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n\t     * // => { '0': { '1': 'a' } }\n\t     */\n\t    function updateWith(object, path, updater, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own enumerable string keyed property values of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property values.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.values(new Foo);\n\t     * // => [1, 2] (iteration order is not guaranteed)\n\t     *\n\t     * _.values('hi');\n\t     * // => ['h', 'i']\n\t     */\n\t    function values(object) {\n\t      return object == null ? [] : baseValues(object, keys(object));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable string keyed property\n\t     * values of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property values.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.valuesIn(new Foo);\n\t     * // => [1, 2, 3] (iteration order is not guaranteed)\n\t     */\n\t    function valuesIn(object) {\n\t      return object == null ? [] : baseValues(object, keysIn(object));\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Number\n\t     * @param {number} number The number to clamp.\n\t     * @param {number} [lower] The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the clamped number.\n\t     * @example\n\t     *\n\t     * _.clamp(-10, -5, 5);\n\t     * // => -5\n\t     *\n\t     * _.clamp(10, -5, 5);\n\t     * // => 5\n\t     */\n\t    function clamp(number, lower, upper) {\n\t      if (upper === undefined) {\n\t        upper = lower;\n\t        lower = undefined;\n\t      }\n\t      if (upper !== undefined) {\n\t        upper = toNumber(upper);\n\t        upper = upper === upper ? upper : 0;\n\t      }\n\t      if (lower !== undefined) {\n\t        lower = toNumber(lower);\n\t        lower = lower === lower ? lower : 0;\n\t      }\n\t      return baseClamp(toNumber(number), lower, upper);\n\t    }\n\t\n\t    /**\n\t     * Checks if `n` is between `start` and up to, but not including, `end`. If\n\t     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n\t     * If `start` is greater than `end` the params are swapped to support\n\t     * negative ranges.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.3.0\n\t     * @category Number\n\t     * @param {number} number The number to check.\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t     * @see _.range, _.rangeRight\n\t     * @example\n\t     *\n\t     * _.inRange(3, 2, 4);\n\t     * // => true\n\t     *\n\t     * _.inRange(4, 8);\n\t     * // => true\n\t     *\n\t     * _.inRange(4, 2);\n\t     * // => false\n\t     *\n\t     * _.inRange(2, 2);\n\t     * // => false\n\t     *\n\t     * _.inRange(1.2, 2);\n\t     * // => true\n\t     *\n\t     * _.inRange(5.2, 4);\n\t     * // => false\n\t     *\n\t     * _.inRange(-3, -2, -6);\n\t     * // => true\n\t     */\n\t    function inRange(number, start, end) {\n\t      start = toFinite(start);\n\t      if (end === undefined) {\n\t        end = start;\n\t        start = 0;\n\t      } else {\n\t        end = toFinite(end);\n\t      }\n\t      number = toNumber(number);\n\t      return baseInRange(number, start, end);\n\t    }\n\t\n\t    /**\n\t     * Produces a random number between the inclusive `lower` and `upper` bounds.\n\t     * If only one argument is provided a number between `0` and the given number\n\t     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n\t     * floats, a floating-point number is returned instead of an integer.\n\t     *\n\t     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t     * floating-point values which can produce unexpected results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.7.0\n\t     * @category Number\n\t     * @param {number} [lower=0] The lower bound.\n\t     * @param {number} [upper=1] The upper bound.\n\t     * @param {boolean} [floating] Specify returning a floating-point number.\n\t     * @returns {number} Returns the random number.\n\t     * @example\n\t     *\n\t     * _.random(0, 5);\n\t     * // => an integer between 0 and 5\n\t     *\n\t     * _.random(5);\n\t     * // => also an integer between 0 and 5\n\t     *\n\t     * _.random(5, true);\n\t     * // => a floating-point number between 0 and 5\n\t     *\n\t     * _.random(1.2, 5.2);\n\t     * // => a floating-point number between 1.2 and 5.2\n\t     */\n\t    function random(lower, upper, floating) {\n\t      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n\t        upper = floating = undefined;\n\t      }\n\t      if (floating === undefined) {\n\t        if (typeof upper == 'boolean') {\n\t          floating = upper;\n\t          upper = undefined;\n\t        }\n\t        else if (typeof lower == 'boolean') {\n\t          floating = lower;\n\t          lower = undefined;\n\t        }\n\t      }\n\t      if (lower === undefined && upper === undefined) {\n\t        lower = 0;\n\t        upper = 1;\n\t      }\n\t      else {\n\t        lower = toFinite(lower);\n\t        if (upper === undefined) {\n\t          upper = lower;\n\t          lower = 0;\n\t        } else {\n\t          upper = toFinite(upper);\n\t        }\n\t      }\n\t      if (lower > upper) {\n\t        var temp = lower;\n\t        lower = upper;\n\t        upper = temp;\n\t      }\n\t      if (floating || lower % 1 || upper % 1) {\n\t        var rand = nativeRandom();\n\t        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n\t      }\n\t      return baseRandom(lower, upper);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the camel cased string.\n\t     * @example\n\t     *\n\t     * _.camelCase('Foo Bar');\n\t     * // => 'fooBar'\n\t     *\n\t     * _.camelCase('--foo-bar--');\n\t     * // => 'fooBar'\n\t     *\n\t     * _.camelCase('__FOO_BAR__');\n\t     * // => 'fooBar'\n\t     */\n\t    var camelCase = createCompounder(function(result, word, index) {\n\t      word = word.toLowerCase();\n\t      return result + (index ? capitalize(word) : word);\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to upper case and the remaining\n\t     * to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to capitalize.\n\t     * @returns {string} Returns the capitalized string.\n\t     * @example\n\t     *\n\t     * _.capitalize('FRED');\n\t     * // => 'Fred'\n\t     */\n\t    function capitalize(string) {\n\t      return upperFirst(toString(string).toLowerCase());\n\t    }\n\t\n\t    /**\n\t     * Deburrs `string` by converting\n\t     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n\t     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n\t     * letters to basic Latin letters and removing\n\t     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to deburr.\n\t     * @returns {string} Returns the deburred string.\n\t     * @example\n\t     *\n\t     * _.deburr('déjà vu');\n\t     * // => 'deja vu'\n\t     */\n\t    function deburr(string) {\n\t      string = toString(string);\n\t      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n\t    }\n\t\n\t    /**\n\t     * Checks if `string` ends with the given target string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {string} [target] The string to search for.\n\t     * @param {number} [position=string.length] The position to search up to.\n\t     * @returns {boolean} Returns `true` if `string` ends with `target`,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.endsWith('abc', 'c');\n\t     * // => true\n\t     *\n\t     * _.endsWith('abc', 'b');\n\t     * // => false\n\t     *\n\t     * _.endsWith('abc', 'b', 2);\n\t     * // => true\n\t     */\n\t    function endsWith(string, target, position) {\n\t      string = toString(string);\n\t      target = baseToString(target);\n\t\n\t      var length = string.length;\n\t      position = position === undefined\n\t        ? length\n\t        : baseClamp(toInteger(position), 0, length);\n\t\n\t      var end = position;\n\t      position -= target.length;\n\t      return position >= 0 && string.slice(position, end) == target;\n\t    }\n\t\n\t    /**\n\t     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n\t     * corresponding HTML entities.\n\t     *\n\t     * **Note:** No other characters are escaped. To escape additional\n\t     * characters use a third-party library like [_he_](https://mths.be/he).\n\t     *\n\t     * Though the \">\" character is escaped for symmetry, characters like\n\t     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n\t     * unless they're part of a tag or unquoted attribute value. See\n\t     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n\t     * (under \"semi-related fun fact\") for more details.\n\t     *\n\t     * When working with HTML you should always\n\t     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n\t     * XSS vectors.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category String\n\t     * @param {string} [string=''] The string to escape.\n\t     * @returns {string} Returns the escaped string.\n\t     * @example\n\t     *\n\t     * _.escape('fred, barney, & pebbles');\n\t     * // => 'fred, barney, &amp; pebbles'\n\t     */\n\t    function escape(string) {\n\t      string = toString(string);\n\t      return (string && reHasUnescapedHtml.test(string))\n\t        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n\t     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to escape.\n\t     * @returns {string} Returns the escaped string.\n\t     * @example\n\t     *\n\t     * _.escapeRegExp('[lodash](https://lodash.com/)');\n\t     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n\t     */\n\t    function escapeRegExp(string) {\n\t      string = toString(string);\n\t      return (string && reHasRegExpChar.test(string))\n\t        ? string.replace(reRegExpChar, '\\\\$&')\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the kebab cased string.\n\t     * @example\n\t     *\n\t     * _.kebabCase('Foo Bar');\n\t     * // => 'foo-bar'\n\t     *\n\t     * _.kebabCase('fooBar');\n\t     * // => 'foo-bar'\n\t     *\n\t     * _.kebabCase('__FOO_BAR__');\n\t     * // => 'foo-bar'\n\t     */\n\t    var kebabCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? '-' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Converts `string`, as space separated words, to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the lower cased string.\n\t     * @example\n\t     *\n\t     * _.lowerCase('--Foo-Bar--');\n\t     * // => 'foo bar'\n\t     *\n\t     * _.lowerCase('fooBar');\n\t     * // => 'foo bar'\n\t     *\n\t     * _.lowerCase('__FOO_BAR__');\n\t     * // => 'foo bar'\n\t     */\n\t    var lowerCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.lowerFirst('Fred');\n\t     * // => 'fred'\n\t     *\n\t     * _.lowerFirst('FRED');\n\t     * // => 'fRED'\n\t     */\n\t    var lowerFirst = createCaseFirst('toLowerCase');\n\t\n\t    /**\n\t     * Pads `string` on the left and right sides if it's shorter than `length`.\n\t     * Padding characters are truncated if they can't be evenly divided by `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.pad('abc', 8);\n\t     * // => '  abc   '\n\t     *\n\t     * _.pad('abc', 8, '_-');\n\t     * // => '_-abc_-_'\n\t     *\n\t     * _.pad('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function pad(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      if (!length || strLength >= length) {\n\t        return string;\n\t      }\n\t      var mid = (length - strLength) / 2;\n\t      return (\n\t        createPadding(nativeFloor(mid), chars) +\n\t        string +\n\t        createPadding(nativeCeil(mid), chars)\n\t      );\n\t    }\n\t\n\t    /**\n\t     * Pads `string` on the right side if it's shorter than `length`. Padding\n\t     * characters are truncated if they exceed `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.padEnd('abc', 6);\n\t     * // => 'abc   '\n\t     *\n\t     * _.padEnd('abc', 6, '_-');\n\t     * // => 'abc_-_'\n\t     *\n\t     * _.padEnd('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function padEnd(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      return (length && strLength < length)\n\t        ? (string + createPadding(length - strLength, chars))\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Pads `string` on the left side if it's shorter than `length`. Padding\n\t     * characters are truncated if they exceed `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.padStart('abc', 6);\n\t     * // => '   abc'\n\t     *\n\t     * _.padStart('abc', 6, '_-');\n\t     * // => '_-_abc'\n\t     *\n\t     * _.padStart('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function padStart(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      return (length && strLength < length)\n\t        ? (createPadding(length - strLength, chars) + string)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to an integer of the specified radix. If `radix` is\n\t     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n\t     * hexadecimal, in which case a `radix` of `16` is used.\n\t     *\n\t     * **Note:** This method aligns with the\n\t     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category String\n\t     * @param {string} string The string to convert.\n\t     * @param {number} [radix=10] The radix to interpret `value` by.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.parseInt('08');\n\t     * // => 8\n\t     *\n\t     * _.map(['6', '08', '10'], _.parseInt);\n\t     * // => [6, 8, 10]\n\t     */\n\t    function parseInt(string, radix, guard) {\n\t      if (guard || radix == null) {\n\t        radix = 0;\n\t      } else if (radix) {\n\t        radix = +radix;\n\t      }\n\t      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n\t    }\n\t\n\t    /**\n\t     * Repeats the given string `n` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to repeat.\n\t     * @param {number} [n=1] The number of times to repeat the string.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the repeated string.\n\t     * @example\n\t     *\n\t     * _.repeat('*', 3);\n\t     * // => '***'\n\t     *\n\t     * _.repeat('abc', 2);\n\t     * // => 'abcabc'\n\t     *\n\t     * _.repeat('abc', 0);\n\t     * // => ''\n\t     */\n\t    function repeat(string, n, guard) {\n\t      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n\t        n = 1;\n\t      } else {\n\t        n = toInteger(n);\n\t      }\n\t      return baseRepeat(toString(string), n);\n\t    }\n\t\n\t    /**\n\t     * Replaces matches for `pattern` in `string` with `replacement`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`String#replace`](https://mdn.io/String/replace).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to modify.\n\t     * @param {RegExp|string} pattern The pattern to replace.\n\t     * @param {Function|string} replacement The match replacement.\n\t     * @returns {string} Returns the modified string.\n\t     * @example\n\t     *\n\t     * _.replace('Hi Fred', 'Fred', 'Barney');\n\t     * // => 'Hi Barney'\n\t     */\n\t    function replace() {\n\t      var args = arguments,\n\t          string = toString(args[0]);\n\t\n\t      return args.length < 3 ? string : string.replace(args[1], args[2]);\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the snake cased string.\n\t     * @example\n\t     *\n\t     * _.snakeCase('Foo Bar');\n\t     * // => 'foo_bar'\n\t     *\n\t     * _.snakeCase('fooBar');\n\t     * // => 'foo_bar'\n\t     *\n\t     * _.snakeCase('--FOO-BAR--');\n\t     * // => 'foo_bar'\n\t     */\n\t    var snakeCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? '_' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Splits `string` by `separator`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`String#split`](https://mdn.io/String/split).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to split.\n\t     * @param {RegExp|string} separator The separator pattern to split by.\n\t     * @param {number} [limit] The length to truncate results to.\n\t     * @returns {Array} Returns the string segments.\n\t     * @example\n\t     *\n\t     * _.split('a-b-c', '-', 2);\n\t     * // => ['a', 'b']\n\t     */\n\t    function split(string, separator, limit) {\n\t      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n\t        separator = limit = undefined;\n\t      }\n\t      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n\t      if (!limit) {\n\t        return [];\n\t      }\n\t      string = toString(string);\n\t      if (string && (\n\t            typeof separator == 'string' ||\n\t            (separator != null && !isRegExp(separator))\n\t          )) {\n\t        separator = baseToString(separator);\n\t        if (!separator && hasUnicode(string)) {\n\t          return castSlice(stringToArray(string), 0, limit);\n\t        }\n\t      }\n\t      return string.split(separator, limit);\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.1.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the start cased string.\n\t     * @example\n\t     *\n\t     * _.startCase('--foo-bar--');\n\t     * // => 'Foo Bar'\n\t     *\n\t     * _.startCase('fooBar');\n\t     * // => 'Foo Bar'\n\t     *\n\t     * _.startCase('__FOO_BAR__');\n\t     * // => 'FOO BAR'\n\t     */\n\t    var startCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + upperFirst(word);\n\t    });\n\t\n\t    /**\n\t     * Checks if `string` starts with the given target string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {string} [target] The string to search for.\n\t     * @param {number} [position=0] The position to search from.\n\t     * @returns {boolean} Returns `true` if `string` starts with `target`,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.startsWith('abc', 'a');\n\t     * // => true\n\t     *\n\t     * _.startsWith('abc', 'b');\n\t     * // => false\n\t     *\n\t     * _.startsWith('abc', 'b', 1);\n\t     * // => true\n\t     */\n\t    function startsWith(string, target, position) {\n\t      string = toString(string);\n\t      position = position == null\n\t        ? 0\n\t        : baseClamp(toInteger(position), 0, string.length);\n\t\n\t      target = baseToString(target);\n\t      return string.slice(position, position + target.length) == target;\n\t    }\n\t\n\t    /**\n\t     * Creates a compiled template function that can interpolate data properties\n\t     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n\t     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n\t     * properties may be accessed as free variables in the template. If a setting\n\t     * object is given, it takes precedence over `_.templateSettings` values.\n\t     *\n\t     * **Note:** In the development build `_.template` utilizes\n\t     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n\t     * for easier debugging.\n\t     *\n\t     * For more information on precompiling templates see\n\t     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n\t     *\n\t     * For more information on Chrome extension sandboxes see\n\t     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category String\n\t     * @param {string} [string=''] The template string.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {RegExp} [options.escape=_.templateSettings.escape]\n\t     *  The HTML \"escape\" delimiter.\n\t     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n\t     *  The \"evaluate\" delimiter.\n\t     * @param {Object} [options.imports=_.templateSettings.imports]\n\t     *  An object to import into the template as free variables.\n\t     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n\t     *  The \"interpolate\" delimiter.\n\t     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n\t     *  The sourceURL of the compiled template.\n\t     * @param {string} [options.variable='obj']\n\t     *  The data object variable name.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the compiled template function.\n\t     * @example\n\t     *\n\t     * // Use the \"interpolate\" delimiter to create a compiled template.\n\t     * var compiled = _.template('hello <%= user %>!');\n\t     * compiled({ 'user': 'fred' });\n\t     * // => 'hello fred!'\n\t     *\n\t     * // Use the HTML \"escape\" delimiter to escape data property values.\n\t     * var compiled = _.template('<b><%- value %></b>');\n\t     * compiled({ 'value': '<script>' });\n\t     * // => '<b>&lt;script&gt;</b>'\n\t     *\n\t     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n\t     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n\t     * compiled({ 'users': ['fred', 'barney'] });\n\t     * // => '<li>fred</li><li>barney</li>'\n\t     *\n\t     * // Use the internal `print` function in \"evaluate\" delimiters.\n\t     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n\t     * compiled({ 'user': 'barney' });\n\t     * // => 'hello barney!'\n\t     *\n\t     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n\t     * // Disable support by replacing the \"interpolate\" delimiter.\n\t     * var compiled = _.template('hello ${ user }!');\n\t     * compiled({ 'user': 'pebbles' });\n\t     * // => 'hello pebbles!'\n\t     *\n\t     * // Use backslashes to treat delimiters as plain text.\n\t     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n\t     * compiled({ 'value': 'ignored' });\n\t     * // => '<%- value %>'\n\t     *\n\t     * // Use the `imports` option to import `jQuery` as `jq`.\n\t     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n\t     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n\t     * compiled({ 'users': ['fred', 'barney'] });\n\t     * // => '<li>fred</li><li>barney</li>'\n\t     *\n\t     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n\t     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n\t     * compiled(data);\n\t     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n\t     *\n\t     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n\t     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n\t     * compiled.source;\n\t     * // => function(data) {\n\t     * //   var __t, __p = '';\n\t     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n\t     * //   return __p;\n\t     * // }\n\t     *\n\t     * // Use custom template delimiters.\n\t     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n\t     * var compiled = _.template('hello {{ user }}!');\n\t     * compiled({ 'user': 'mustache' });\n\t     * // => 'hello mustache!'\n\t     *\n\t     * // Use the `source` property to inline compiled templates for meaningful\n\t     * // line numbers in error messages and stack traces.\n\t     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n\t     *   var JST = {\\\n\t     *     \"main\": ' + _.template(mainText).source + '\\\n\t     *   };\\\n\t     * ');\n\t     */\n\t    function template(string, options, guard) {\n\t      // Based on John Resig's `tmpl` implementation\n\t      // (http://ejohn.org/blog/javascript-micro-templating/)\n\t      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n\t      var settings = lodash.templateSettings;\n\t\n\t      if (guard && isIterateeCall(string, options, guard)) {\n\t        options = undefined;\n\t      }\n\t      string = toString(string);\n\t      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\t\n\t      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n\t          importsKeys = keys(imports),\n\t          importsValues = baseValues(imports, importsKeys);\n\t\n\t      var isEscaping,\n\t          isEvaluating,\n\t          index = 0,\n\t          interpolate = options.interpolate || reNoMatch,\n\t          source = \"__p += '\";\n\t\n\t      // Compile the regexp to match each delimiter.\n\t      var reDelimiters = RegExp(\n\t        (options.escape || reNoMatch).source + '|' +\n\t        interpolate.source + '|' +\n\t        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n\t        (options.evaluate || reNoMatch).source + '|$'\n\t      , 'g');\n\t\n\t      // Use a sourceURL for easier debugging.\n\t      var sourceURL = '//# sourceURL=' +\n\t        ('sourceURL' in options\n\t          ? options.sourceURL\n\t          : ('lodash.templateSources[' + (++templateCounter) + ']')\n\t        ) + '\\n';\n\t\n\t      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n\t        interpolateValue || (interpolateValue = esTemplateValue);\n\t\n\t        // Escape characters that can't be included in string literals.\n\t        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\t\n\t        // Replace delimiters with snippets.\n\t        if (escapeValue) {\n\t          isEscaping = true;\n\t          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n\t        }\n\t        if (evaluateValue) {\n\t          isEvaluating = true;\n\t          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n\t        }\n\t        if (interpolateValue) {\n\t          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n\t        }\n\t        index = offset + match.length;\n\t\n\t        // The JS engine embedded in Adobe products needs `match` returned in\n\t        // order to produce the correct `offset` value.\n\t        return match;\n\t      });\n\t\n\t      source += \"';\\n\";\n\t\n\t      // If `variable` is not specified wrap a with-statement around the generated\n\t      // code to add the data object to the top of the scope chain.\n\t      var variable = options.variable;\n\t      if (!variable) {\n\t        source = 'with (obj) {\\n' + source + '\\n}\\n';\n\t      }\n\t      // Cleanup code by stripping empty strings.\n\t      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n\t        .replace(reEmptyStringMiddle, '$1')\n\t        .replace(reEmptyStringTrailing, '$1;');\n\t\n\t      // Frame code as the function body.\n\t      source = 'function(' + (variable || 'obj') + ') {\\n' +\n\t        (variable\n\t          ? ''\n\t          : 'obj || (obj = {});\\n'\n\t        ) +\n\t        \"var __t, __p = ''\" +\n\t        (isEscaping\n\t           ? ', __e = _.escape'\n\t           : ''\n\t        ) +\n\t        (isEvaluating\n\t          ? ', __j = Array.prototype.join;\\n' +\n\t            \"function print() { __p += __j.call(arguments, '') }\\n\"\n\t          : ';\\n'\n\t        ) +\n\t        source +\n\t        'return __p\\n}';\n\t\n\t      var result = attempt(function() {\n\t        return Function(importsKeys, sourceURL + 'return ' + source)\n\t          .apply(undefined, importsValues);\n\t      });\n\t\n\t      // Provide the compiled function's source by its `toString` method or\n\t      // the `source` property as a convenience for inlining compiled templates.\n\t      result.source = source;\n\t      if (isError(result)) {\n\t        throw result;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as a whole, to lower case just like\n\t     * [String#toLowerCase](https://mdn.io/toLowerCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the lower cased string.\n\t     * @example\n\t     *\n\t     * _.toLower('--Foo-Bar--');\n\t     * // => '--foo-bar--'\n\t     *\n\t     * _.toLower('fooBar');\n\t     * // => 'foobar'\n\t     *\n\t     * _.toLower('__FOO_BAR__');\n\t     * // => '__foo_bar__'\n\t     */\n\t    function toLower(value) {\n\t      return toString(value).toLowerCase();\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as a whole, to upper case just like\n\t     * [String#toUpperCase](https://mdn.io/toUpperCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the upper cased string.\n\t     * @example\n\t     *\n\t     * _.toUpper('--foo-bar--');\n\t     * // => '--FOO-BAR--'\n\t     *\n\t     * _.toUpper('fooBar');\n\t     * // => 'FOOBAR'\n\t     *\n\t     * _.toUpper('__foo_bar__');\n\t     * // => '__FOO_BAR__'\n\t     */\n\t    function toUpper(value) {\n\t      return toString(value).toUpperCase();\n\t    }\n\t\n\t    /**\n\t     * Removes leading and trailing whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trim('  abc  ');\n\t     * // => 'abc'\n\t     *\n\t     * _.trim('-_-abc-_-', '_-');\n\t     * // => 'abc'\n\t     *\n\t     * _.map(['  foo  ', '  bar  '], _.trim);\n\t     * // => ['foo', 'bar']\n\t     */\n\t    function trim(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrim, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          chrSymbols = stringToArray(chars),\n\t          start = charsStartIndex(strSymbols, chrSymbols),\n\t          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\t\n\t      return castSlice(strSymbols, start, end).join('');\n\t    }\n\t\n\t    /**\n\t     * Removes trailing whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trimEnd('  abc  ');\n\t     * // => '  abc'\n\t     *\n\t     * _.trimEnd('-_-abc-_-', '_-');\n\t     * // => '-_-abc'\n\t     */\n\t    function trimEnd(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrimEnd, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\t\n\t      return castSlice(strSymbols, 0, end).join('');\n\t    }\n\t\n\t    /**\n\t     * Removes leading whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trimStart('  abc  ');\n\t     * // => 'abc  '\n\t     *\n\t     * _.trimStart('-_-abc-_-', '_-');\n\t     * // => 'abc-_-'\n\t     */\n\t    function trimStart(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrimStart, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          start = charsStartIndex(strSymbols, stringToArray(chars));\n\t\n\t      return castSlice(strSymbols, start).join('');\n\t    }\n\t\n\t    /**\n\t     * Truncates `string` if it's longer than the given maximum string length.\n\t     * The last characters of the truncated string are replaced with the omission\n\t     * string which defaults to \"...\".\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to truncate.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {number} [options.length=30] The maximum string length.\n\t     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n\t     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n\t     * @returns {string} Returns the truncated string.\n\t     * @example\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino');\n\t     * // => 'hi-diddly-ho there, neighbo...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'length': 24,\n\t     *   'separator': ' '\n\t     * });\n\t     * // => 'hi-diddly-ho there,...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'length': 24,\n\t     *   'separator': /,? +/\n\t     * });\n\t     * // => 'hi-diddly-ho there...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'omission': ' [...]'\n\t     * });\n\t     * // => 'hi-diddly-ho there, neig [...]'\n\t     */\n\t    function truncate(string, options) {\n\t      var length = DEFAULT_TRUNC_LENGTH,\n\t          omission = DEFAULT_TRUNC_OMISSION;\n\t\n\t      if (isObject(options)) {\n\t        var separator = 'separator' in options ? options.separator : separator;\n\t        length = 'length' in options ? toInteger(options.length) : length;\n\t        omission = 'omission' in options ? baseToString(options.omission) : omission;\n\t      }\n\t      string = toString(string);\n\t\n\t      var strLength = string.length;\n\t      if (hasUnicode(string)) {\n\t        var strSymbols = stringToArray(string);\n\t        strLength = strSymbols.length;\n\t      }\n\t      if (length >= strLength) {\n\t        return string;\n\t      }\n\t      var end = length - stringSize(omission);\n\t      if (end < 1) {\n\t        return omission;\n\t      }\n\t      var result = strSymbols\n\t        ? castSlice(strSymbols, 0, end).join('')\n\t        : string.slice(0, end);\n\t\n\t      if (separator === undefined) {\n\t        return result + omission;\n\t      }\n\t      if (strSymbols) {\n\t        end += (result.length - end);\n\t      }\n\t      if (isRegExp(separator)) {\n\t        if (string.slice(end).search(separator)) {\n\t          var match,\n\t              substring = result;\n\t\n\t          if (!separator.global) {\n\t            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n\t          }\n\t          separator.lastIndex = 0;\n\t          while ((match = separator.exec(substring))) {\n\t            var newEnd = match.index;\n\t          }\n\t          result = result.slice(0, newEnd === undefined ? end : newEnd);\n\t        }\n\t      } else if (string.indexOf(baseToString(separator), end) != end) {\n\t        var index = result.lastIndexOf(separator);\n\t        if (index > -1) {\n\t          result = result.slice(0, index);\n\t        }\n\t      }\n\t      return result + omission;\n\t    }\n\t\n\t    /**\n\t     * The inverse of `_.escape`; this method converts the HTML entities\n\t     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n\t     * their corresponding characters.\n\t     *\n\t     * **Note:** No other HTML entities are unescaped. To unescape additional\n\t     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.6.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to unescape.\n\t     * @returns {string} Returns the unescaped string.\n\t     * @example\n\t     *\n\t     * _.unescape('fred, barney, &amp; pebbles');\n\t     * // => 'fred, barney, & pebbles'\n\t     */\n\t    function unescape(string) {\n\t      string = toString(string);\n\t      return (string && reHasEscapedHtml.test(string))\n\t        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as space separated words, to upper case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the upper cased string.\n\t     * @example\n\t     *\n\t     * _.upperCase('--foo-bar');\n\t     * // => 'FOO BAR'\n\t     *\n\t     * _.upperCase('fooBar');\n\t     * // => 'FOO BAR'\n\t     *\n\t     * _.upperCase('__foo_bar__');\n\t     * // => 'FOO BAR'\n\t     */\n\t    var upperCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + word.toUpperCase();\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to upper case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.upperFirst('fred');\n\t     * // => 'Fred'\n\t     *\n\t     * _.upperFirst('FRED');\n\t     * // => 'FRED'\n\t     */\n\t    var upperFirst = createCaseFirst('toUpperCase');\n\t\n\t    /**\n\t     * Splits `string` into an array of its words.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {RegExp|string} [pattern] The pattern to match words.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the words of `string`.\n\t     * @example\n\t     *\n\t     * _.words('fred, barney, & pebbles');\n\t     * // => ['fred', 'barney', 'pebbles']\n\t     *\n\t     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n\t     * // => ['fred', 'barney', '&', 'pebbles']\n\t     */\n\t    function words(string, pattern, guard) {\n\t      string = toString(string);\n\t      pattern = guard ? undefined : pattern;\n\t\n\t      if (pattern === undefined) {\n\t        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n\t      }\n\t      return string.match(pattern) || [];\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Attempts to invoke `func`, returning either the result or the caught error\n\t     * object. Any additional arguments are provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Function} func The function to attempt.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {*} Returns the `func` result or error object.\n\t     * @example\n\t     *\n\t     * // Avoid throwing errors for invalid selectors.\n\t     * var elements = _.attempt(function(selector) {\n\t     *   return document.querySelectorAll(selector);\n\t     * }, '>_>');\n\t     *\n\t     * if (_.isError(elements)) {\n\t     *   elements = [];\n\t     * }\n\t     */\n\t    var attempt = baseRest(function(func, args) {\n\t      try {\n\t        return apply(func, undefined, args);\n\t      } catch (e) {\n\t        return isError(e) ? e : new Error(e);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Binds methods of an object to the object itself, overwriting the existing\n\t     * method.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of bound functions.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {Object} object The object to bind and assign the bound methods to.\n\t     * @param {...(string|string[])} methodNames The object method names to bind.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var view = {\n\t     *   'label': 'docs',\n\t     *   'click': function() {\n\t     *     console.log('clicked ' + this.label);\n\t     *   }\n\t     * };\n\t     *\n\t     * _.bindAll(view, ['click']);\n\t     * jQuery(element).on('click', view.click);\n\t     * // => Logs 'clicked docs' when clicked.\n\t     */\n\t    var bindAll = flatRest(function(object, methodNames) {\n\t      arrayEach(methodNames, function(key) {\n\t        key = toKey(key);\n\t        baseAssignValue(object, key, bind(object[key], object));\n\t      });\n\t      return object;\n\t    });\n\t\n\t    /**\n\t     * Creates a function that iterates over `pairs` and invokes the corresponding\n\t     * function of the first predicate to return truthy. The predicate-function\n\t     * pairs are invoked with the `this` binding and arguments of the created\n\t     * function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {Array} pairs The predicate-function pairs.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @example\n\t     *\n\t     * var func = _.cond([\n\t     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n\t     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n\t     *   [_.stubTrue,                      _.constant('no match')]\n\t     * ]);\n\t     *\n\t     * func({ 'a': 1, 'b': 2 });\n\t     * // => 'matches A'\n\t     *\n\t     * func({ 'a': 0, 'b': 1 });\n\t     * // => 'matches B'\n\t     *\n\t     * func({ 'a': '1', 'b': '2' });\n\t     * // => 'no match'\n\t     */\n\t    function cond(pairs) {\n\t      var length = pairs == null ? 0 : pairs.length,\n\t          toIteratee = getIteratee();\n\t\n\t      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n\t        if (typeof pair[1] != 'function') {\n\t          throw new TypeError(FUNC_ERROR_TEXT);\n\t        }\n\t        return [toIteratee(pair[0]), pair[1]];\n\t      });\n\t\n\t      return baseRest(function(args) {\n\t        var index = -1;\n\t        while (++index < length) {\n\t          var pair = pairs[index];\n\t          if (apply(pair[0], this, args)) {\n\t            return apply(pair[1], this, args);\n\t          }\n\t        }\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes the predicate properties of `source` with\n\t     * the corresponding property values of a given object, returning `true` if\n\t     * all predicates return truthy, else `false`.\n\t     *\n\t     * **Note:** The created function is equivalent to `_.conformsTo` with\n\t     * `source` partially applied.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 2, 'b': 1 },\n\t     *   { 'a': 1, 'b': 2 }\n\t     * ];\n\t     *\n\t     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n\t     * // => [{ 'a': 1, 'b': 2 }]\n\t     */\n\t    function conforms(source) {\n\t      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that returns `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Util\n\t     * @param {*} value The value to return from the new function.\n\t     * @returns {Function} Returns the new constant function.\n\t     * @example\n\t     *\n\t     * var objects = _.times(2, _.constant({ 'a': 1 }));\n\t     *\n\t     * console.log(objects);\n\t     * // => [{ 'a': 1 }, { 'a': 1 }]\n\t     *\n\t     * console.log(objects[0] === objects[1]);\n\t     * // => true\n\t     */\n\t    function constant(value) {\n\t      return function() {\n\t        return value;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Checks `value` to determine whether a default value should be returned in\n\t     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n\t     * or `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.14.0\n\t     * @category Util\n\t     * @param {*} value The value to check.\n\t     * @param {*} defaultValue The default value.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * _.defaultTo(1, 10);\n\t     * // => 1\n\t     *\n\t     * _.defaultTo(undefined, 10);\n\t     * // => 10\n\t     */\n\t    function defaultTo(value, defaultValue) {\n\t      return (value == null || value !== value) ? defaultValue : value;\n\t    }\n\t\n\t    /**\n\t     * Creates a function that returns the result of invoking the given functions\n\t     * with the `this` binding of the created function, where each successive\n\t     * invocation is supplied the return value of the previous.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @see _.flowRight\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var addSquare = _.flow([_.add, square]);\n\t     * addSquare(1, 2);\n\t     * // => 9\n\t     */\n\t    var flow = createFlow();\n\t\n\t    /**\n\t     * This method is like `_.flow` except that it creates a function that\n\t     * invokes the given functions from right to left.\n\t     *\n\t     * @static\n\t     * @since 3.0.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @see _.flow\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var addSquare = _.flowRight([square, _.add]);\n\t     * addSquare(1, 2);\n\t     * // => 9\n\t     */\n\t    var flowRight = createFlow(true);\n\t\n\t    /**\n\t     * This method returns the first argument it receives.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {*} value Any value.\n\t     * @returns {*} Returns `value`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     *\n\t     * console.log(_.identity(object) === object);\n\t     * // => true\n\t     */\n\t    function identity(value) {\n\t      return value;\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the arguments of the created\n\t     * function. If `func` is a property name, the created function returns the\n\t     * property value for a given element. If `func` is an array or object, the\n\t     * created function returns `true` for elements that contain the equivalent\n\t     * source properties, otherwise it returns `false`.\n\t     *\n\t     * @static\n\t     * @since 4.0.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {*} [func=_.identity] The value to convert to a callback.\n\t     * @returns {Function} Returns the callback.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': true },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n\t     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.filter(users, _.iteratee(['user', 'fred']));\n\t     * // => [{ 'user': 'fred', 'age': 40 }]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.map(users, _.iteratee('user'));\n\t     * // => ['barney', 'fred']\n\t     *\n\t     * // Create custom iteratee shorthands.\n\t     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n\t     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n\t     *     return func.test(string);\n\t     *   };\n\t     * });\n\t     *\n\t     * _.filter(['abc', 'def'], /ef/);\n\t     * // => ['def']\n\t     */\n\t    function iteratee(func) {\n\t      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a partial deep comparison between a given\n\t     * object and `source`, returning `true` if the given object has equivalent\n\t     * property values, else `false`.\n\t     *\n\t     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n\t     * partially applied.\n\t     *\n\t     * Partial comparisons will match empty array and empty object `source`\n\t     * values against any array or object value, respectively. See `_.isEqual`\n\t     * for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 1, 'b': 2, 'c': 3 },\n\t     *   { 'a': 4, 'b': 5, 'c': 6 }\n\t     * ];\n\t     *\n\t     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n\t     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n\t     */\n\t    function matches(source) {\n\t      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a partial deep comparison between the\n\t     * value at `path` of a given object to `srcValue`, returning `true` if the\n\t     * object value is equivalent, else `false`.\n\t     *\n\t     * **Note:** Partial comparisons will match empty array and empty object\n\t     * `srcValue` values against any array or object value, respectively. See\n\t     * `_.isEqual` for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 1, 'b': 2, 'c': 3 },\n\t     *   { 'a': 4, 'b': 5, 'c': 6 }\n\t     * ];\n\t     *\n\t     * _.find(objects, _.matchesProperty('a', 4));\n\t     * // => { 'a': 4, 'b': 5, 'c': 6 }\n\t     */\n\t    function matchesProperty(path, srcValue) {\n\t      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes the method at `path` of a given object.\n\t     * Any additional arguments are provided to the invoked method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {Function} Returns the new invoker function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': { 'b': _.constant(2) } },\n\t     *   { 'a': { 'b': _.constant(1) } }\n\t     * ];\n\t     *\n\t     * _.map(objects, _.method('a.b'));\n\t     * // => [2, 1]\n\t     *\n\t     * _.map(objects, _.method(['a', 'b']));\n\t     * // => [2, 1]\n\t     */\n\t    var method = baseRest(function(path, args) {\n\t      return function(object) {\n\t        return baseInvoke(object, path, args);\n\t      };\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.method`; this method creates a function that invokes\n\t     * the method at a given path of `object`. Any additional arguments are\n\t     * provided to the invoked method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Util\n\t     * @param {Object} object The object to query.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {Function} Returns the new invoker function.\n\t     * @example\n\t     *\n\t     * var array = _.times(3, _.constant),\n\t     *     object = { 'a': array, 'b': array, 'c': array };\n\t     *\n\t     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n\t     * // => [2, 0]\n\t     *\n\t     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n\t     * // => [2, 0]\n\t     */\n\t    var methodOf = baseRest(function(object, args) {\n\t      return function(path) {\n\t        return baseInvoke(object, path, args);\n\t      };\n\t    });\n\t\n\t    /**\n\t     * Adds all own enumerable string keyed function properties of a source\n\t     * object to the destination object. If `object` is a function, then methods\n\t     * are added to its prototype as well.\n\t     *\n\t     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n\t     * avoid conflicts caused by modifying the original.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {Function|Object} [object=lodash] The destination object.\n\t     * @param {Object} source The object of functions to add.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n\t     * @returns {Function|Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * function vowels(string) {\n\t     *   return _.filter(string, function(v) {\n\t     *     return /[aeiou]/i.test(v);\n\t     *   });\n\t     * }\n\t     *\n\t     * _.mixin({ 'vowels': vowels });\n\t     * _.vowels('fred');\n\t     * // => ['e']\n\t     *\n\t     * _('fred').vowels().value();\n\t     * // => ['e']\n\t     *\n\t     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n\t     * _('fred').vowels();\n\t     * // => ['e']\n\t     */\n\t    function mixin(object, source, options) {\n\t      var props = keys(source),\n\t          methodNames = baseFunctions(source, props);\n\t\n\t      if (options == null &&\n\t          !(isObject(source) && (methodNames.length || !props.length))) {\n\t        options = source;\n\t        source = object;\n\t        object = this;\n\t        methodNames = baseFunctions(source, keys(source));\n\t      }\n\t      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n\t          isFunc = isFunction(object);\n\t\n\t      arrayEach(methodNames, function(methodName) {\n\t        var func = source[methodName];\n\t        object[methodName] = func;\n\t        if (isFunc) {\n\t          object.prototype[methodName] = function() {\n\t            var chainAll = this.__chain__;\n\t            if (chain || chainAll) {\n\t              var result = object(this.__wrapped__),\n\t                  actions = result.__actions__ = copyArray(this.__actions__);\n\t\n\t              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n\t              result.__chain__ = chainAll;\n\t              return result;\n\t            }\n\t            return func.apply(object, arrayPush([this.value()], arguments));\n\t          };\n\t        }\n\t      });\n\t\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Reverts the `_` variable to its previous value and returns a reference to\n\t     * the `lodash` function.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @returns {Function} Returns the `lodash` function.\n\t     * @example\n\t     *\n\t     * var lodash = _.noConflict();\n\t     */\n\t    function noConflict() {\n\t      if (root._ === this) {\n\t        root._ = oldDash;\n\t      }\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * This method returns `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.3.0\n\t     * @category Util\n\t     * @example\n\t     *\n\t     * _.times(2, _.noop);\n\t     * // => [undefined, undefined]\n\t     */\n\t    function noop() {\n\t      // No operation performed.\n\t    }\n\t\n\t    /**\n\t     * Creates a function that gets the argument at index `n`. If `n` is negative,\n\t     * the nth argument from the end is returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {number} [n=0] The index of the argument to return.\n\t     * @returns {Function} Returns the new pass-thru function.\n\t     * @example\n\t     *\n\t     * var func = _.nthArg(1);\n\t     * func('a', 'b', 'c', 'd');\n\t     * // => 'b'\n\t     *\n\t     * var func = _.nthArg(-2);\n\t     * func('a', 'b', 'c', 'd');\n\t     * // => 'c'\n\t     */\n\t    function nthArg(n) {\n\t      n = toInteger(n);\n\t      return baseRest(function(args) {\n\t        return baseNth(args, n);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `iteratees` with the arguments it receives\n\t     * and returns their results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n\t     *  The iteratees to invoke.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.over([Math.max, Math.min]);\n\t     *\n\t     * func(1, 2, 3, 4);\n\t     * // => [4, 1]\n\t     */\n\t    var over = createOver(arrayMap);\n\t\n\t    /**\n\t     * Creates a function that checks if **all** of the `predicates` return\n\t     * truthy when invoked with the arguments it receives.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [predicates=[_.identity]]\n\t     *  The predicates to check.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.overEvery([Boolean, isFinite]);\n\t     *\n\t     * func('1');\n\t     * // => true\n\t     *\n\t     * func(null);\n\t     * // => false\n\t     *\n\t     * func(NaN);\n\t     * // => false\n\t     */\n\t    var overEvery = createOver(arrayEvery);\n\t\n\t    /**\n\t     * Creates a function that checks if **any** of the `predicates` return\n\t     * truthy when invoked with the arguments it receives.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [predicates=[_.identity]]\n\t     *  The predicates to check.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.overSome([Boolean, isFinite]);\n\t     *\n\t     * func('1');\n\t     * // => true\n\t     *\n\t     * func(null);\n\t     * // => true\n\t     *\n\t     * func(NaN);\n\t     * // => false\n\t     */\n\t    var overSome = createOver(arraySome);\n\t\n\t    /**\n\t     * Creates a function that returns the value at `path` of a given object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {Function} Returns the new accessor function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': { 'b': 2 } },\n\t     *   { 'a': { 'b': 1 } }\n\t     * ];\n\t     *\n\t     * _.map(objects, _.property('a.b'));\n\t     * // => [2, 1]\n\t     *\n\t     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n\t     * // => [1, 2]\n\t     */\n\t    function property(path) {\n\t      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.property`; this method creates a function that returns\n\t     * the value at a given path of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Object} object The object to query.\n\t     * @returns {Function} Returns the new accessor function.\n\t     * @example\n\t     *\n\t     * var array = [0, 1, 2],\n\t     *     object = { 'a': array, 'b': array, 'c': array };\n\t     *\n\t     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n\t     * // => [2, 0]\n\t     *\n\t     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n\t     * // => [2, 0]\n\t     */\n\t    function propertyOf(object) {\n\t      return function(path) {\n\t        return object == null ? undefined : baseGet(object, path);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates an array of numbers (positive and/or negative) progressing from\n\t     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n\t     * `start` is specified without an `end` or `step`. If `end` is not specified,\n\t     * it's set to `start` with `start` then set to `0`.\n\t     *\n\t     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t     * floating-point values which can produce unexpected results.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} [step=1] The value to increment or decrement by.\n\t     * @returns {Array} Returns the range of numbers.\n\t     * @see _.inRange, _.rangeRight\n\t     * @example\n\t     *\n\t     * _.range(4);\n\t     * // => [0, 1, 2, 3]\n\t     *\n\t     * _.range(-4);\n\t     * // => [0, -1, -2, -3]\n\t     *\n\t     * _.range(1, 5);\n\t     * // => [1, 2, 3, 4]\n\t     *\n\t     * _.range(0, 20, 5);\n\t     * // => [0, 5, 10, 15]\n\t     *\n\t     * _.range(0, -4, -1);\n\t     * // => [0, -1, -2, -3]\n\t     *\n\t     * _.range(1, 4, 0);\n\t     * // => [1, 1, 1]\n\t     *\n\t     * _.range(0);\n\t     * // => []\n\t     */\n\t    var range = createRange();\n\t\n\t    /**\n\t     * This method is like `_.range` except that it populates values in\n\t     * descending order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} [step=1] The value to increment or decrement by.\n\t     * @returns {Array} Returns the range of numbers.\n\t     * @see _.inRange, _.range\n\t     * @example\n\t     *\n\t     * _.rangeRight(4);\n\t     * // => [3, 2, 1, 0]\n\t     *\n\t     * _.rangeRight(-4);\n\t     * // => [-3, -2, -1, 0]\n\t     *\n\t     * _.rangeRight(1, 5);\n\t     * // => [4, 3, 2, 1]\n\t     *\n\t     * _.rangeRight(0, 20, 5);\n\t     * // => [15, 10, 5, 0]\n\t     *\n\t     * _.rangeRight(0, -4, -1);\n\t     * // => [-3, -2, -1, 0]\n\t     *\n\t     * _.rangeRight(1, 4, 0);\n\t     * // => [1, 1, 1]\n\t     *\n\t     * _.rangeRight(0);\n\t     * // => []\n\t     */\n\t    var rangeRight = createRange(true);\n\t\n\t    /**\n\t     * This method returns a new empty array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {Array} Returns the new empty array.\n\t     * @example\n\t     *\n\t     * var arrays = _.times(2, _.stubArray);\n\t     *\n\t     * console.log(arrays);\n\t     * // => [[], []]\n\t     *\n\t     * console.log(arrays[0] === arrays[1]);\n\t     * // => false\n\t     */\n\t    function stubArray() {\n\t      return [];\n\t    }\n\t\n\t    /**\n\t     * This method returns `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {boolean} Returns `false`.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubFalse);\n\t     * // => [false, false]\n\t     */\n\t    function stubFalse() {\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * This method returns a new empty object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {Object} Returns the new empty object.\n\t     * @example\n\t     *\n\t     * var objects = _.times(2, _.stubObject);\n\t     *\n\t     * console.log(objects);\n\t     * // => [{}, {}]\n\t     *\n\t     * console.log(objects[0] === objects[1]);\n\t     * // => false\n\t     */\n\t    function stubObject() {\n\t      return {};\n\t    }\n\t\n\t    /**\n\t     * This method returns an empty string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {string} Returns the empty string.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubString);\n\t     * // => ['', '']\n\t     */\n\t    function stubString() {\n\t      return '';\n\t    }\n\t\n\t    /**\n\t     * This method returns `true`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {boolean} Returns `true`.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubTrue);\n\t     * // => [true, true]\n\t     */\n\t    function stubTrue() {\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Invokes the iteratee `n` times, returning an array of the results of\n\t     * each invocation. The iteratee is invoked with one argument; (index).\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {number} n The number of times to invoke `iteratee`.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the array of results.\n\t     * @example\n\t     *\n\t     * _.times(3, String);\n\t     * // => ['0', '1', '2']\n\t     *\n\t     *  _.times(4, _.constant(0));\n\t     * // => [0, 0, 0, 0]\n\t     */\n\t    function times(n, iteratee) {\n\t      n = toInteger(n);\n\t      if (n < 1 || n > MAX_SAFE_INTEGER) {\n\t        return [];\n\t      }\n\t      var index = MAX_ARRAY_LENGTH,\n\t          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\t\n\t      iteratee = getIteratee(iteratee);\n\t      n -= MAX_ARRAY_LENGTH;\n\t\n\t      var result = baseTimes(length, iteratee);\n\t      while (++index < n) {\n\t        iteratee(index);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a property path array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {*} value The value to convert.\n\t     * @returns {Array} Returns the new property path array.\n\t     * @example\n\t     *\n\t     * _.toPath('a.b.c');\n\t     * // => ['a', 'b', 'c']\n\t     *\n\t     * _.toPath('a[0].b.c');\n\t     * // => ['a', '0', 'b', 'c']\n\t     */\n\t    function toPath(value) {\n\t      if (isArray(value)) {\n\t        return arrayMap(value, toKey);\n\t      }\n\t      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n\t    }\n\t\n\t    /**\n\t     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {string} [prefix=''] The value to prefix the ID with.\n\t     * @returns {string} Returns the unique ID.\n\t     * @example\n\t     *\n\t     * _.uniqueId('contact_');\n\t     * // => 'contact_104'\n\t     *\n\t     * _.uniqueId();\n\t     * // => '105'\n\t     */\n\t    function uniqueId(prefix) {\n\t      var id = ++idCounter;\n\t      return toString(prefix) + id;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Adds two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.4.0\n\t     * @category Math\n\t     * @param {number} augend The first number in an addition.\n\t     * @param {number} addend The second number in an addition.\n\t     * @returns {number} Returns the total.\n\t     * @example\n\t     *\n\t     * _.add(6, 4);\n\t     * // => 10\n\t     */\n\t    var add = createMathOperation(function(augend, addend) {\n\t      return augend + addend;\n\t    }, 0);\n\t\n\t    /**\n\t     * Computes `number` rounded up to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round up.\n\t     * @param {number} [precision=0] The precision to round up to.\n\t     * @returns {number} Returns the rounded up number.\n\t     * @example\n\t     *\n\t     * _.ceil(4.006);\n\t     * // => 5\n\t     *\n\t     * _.ceil(6.004, 2);\n\t     * // => 6.01\n\t     *\n\t     * _.ceil(6040, -2);\n\t     * // => 6100\n\t     */\n\t    var ceil = createRound('ceil');\n\t\n\t    /**\n\t     * Divide two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {number} dividend The first number in a division.\n\t     * @param {number} divisor The second number in a division.\n\t     * @returns {number} Returns the quotient.\n\t     * @example\n\t     *\n\t     * _.divide(6, 4);\n\t     * // => 1.5\n\t     */\n\t    var divide = createMathOperation(function(dividend, divisor) {\n\t      return dividend / divisor;\n\t    }, 1);\n\t\n\t    /**\n\t     * Computes `number` rounded down to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round down.\n\t     * @param {number} [precision=0] The precision to round down to.\n\t     * @returns {number} Returns the rounded down number.\n\t     * @example\n\t     *\n\t     * _.floor(4.006);\n\t     * // => 4\n\t     *\n\t     * _.floor(0.046, 2);\n\t     * // => 0.04\n\t     *\n\t     * _.floor(4060, -2);\n\t     * // => 4000\n\t     */\n\t    var floor = createRound('floor');\n\t\n\t    /**\n\t     * Computes the maximum value of `array`. If `array` is empty or falsey,\n\t     * `undefined` is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {*} Returns the maximum value.\n\t     * @example\n\t     *\n\t     * _.max([4, 2, 8, 6]);\n\t     * // => 8\n\t     *\n\t     * _.max([]);\n\t     * // => undefined\n\t     */\n\t    function max(array) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, identity, baseGt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.max` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * the value is ranked. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {*} Returns the maximum value.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n\t     *\n\t     * _.maxBy(objects, function(o) { return o.n; });\n\t     * // => { 'n': 2 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.maxBy(objects, 'n');\n\t     * // => { 'n': 2 }\n\t     */\n\t    function maxBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * Computes the mean of the values in `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {number} Returns the mean.\n\t     * @example\n\t     *\n\t     * _.mean([4, 2, 8, 6]);\n\t     * // => 5\n\t     */\n\t    function mean(array) {\n\t      return baseMean(array, identity);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.mean` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the value to be averaged.\n\t     * The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the mean.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n\t     *\n\t     * _.meanBy(objects, function(o) { return o.n; });\n\t     * // => 5\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.meanBy(objects, 'n');\n\t     * // => 5\n\t     */\n\t    function meanBy(array, iteratee) {\n\t      return baseMean(array, getIteratee(iteratee, 2));\n\t    }\n\t\n\t    /**\n\t     * Computes the minimum value of `array`. If `array` is empty or falsey,\n\t     * `undefined` is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {*} Returns the minimum value.\n\t     * @example\n\t     *\n\t     * _.min([4, 2, 8, 6]);\n\t     * // => 2\n\t     *\n\t     * _.min([]);\n\t     * // => undefined\n\t     */\n\t    function min(array) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, identity, baseLt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.min` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * the value is ranked. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {*} Returns the minimum value.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n\t     *\n\t     * _.minBy(objects, function(o) { return o.n; });\n\t     * // => { 'n': 1 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.minBy(objects, 'n');\n\t     * // => { 'n': 1 }\n\t     */\n\t    function minBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * Multiply two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {number} multiplier The first number in a multiplication.\n\t     * @param {number} multiplicand The second number in a multiplication.\n\t     * @returns {number} Returns the product.\n\t     * @example\n\t     *\n\t     * _.multiply(6, 4);\n\t     * // => 24\n\t     */\n\t    var multiply = createMathOperation(function(multiplier, multiplicand) {\n\t      return multiplier * multiplicand;\n\t    }, 1);\n\t\n\t    /**\n\t     * Computes `number` rounded to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round.\n\t     * @param {number} [precision=0] The precision to round to.\n\t     * @returns {number} Returns the rounded number.\n\t     * @example\n\t     *\n\t     * _.round(4.006);\n\t     * // => 4\n\t     *\n\t     * _.round(4.006, 2);\n\t     * // => 4.01\n\t     *\n\t     * _.round(4060, -2);\n\t     * // => 4100\n\t     */\n\t    var round = createRound('round');\n\t\n\t    /**\n\t     * Subtract two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {number} minuend The first number in a subtraction.\n\t     * @param {number} subtrahend The second number in a subtraction.\n\t     * @returns {number} Returns the difference.\n\t     * @example\n\t     *\n\t     * _.subtract(6, 4);\n\t     * // => 2\n\t     */\n\t    var subtract = createMathOperation(function(minuend, subtrahend) {\n\t      return minuend - subtrahend;\n\t    }, 0);\n\t\n\t    /**\n\t     * Computes the sum of the values in `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.4.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {number} Returns the sum.\n\t     * @example\n\t     *\n\t     * _.sum([4, 2, 8, 6]);\n\t     * // => 20\n\t     */\n\t    function sum(array) {\n\t      return (array && array.length)\n\t        ? baseSum(array, identity)\n\t        : 0;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sum` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the value to be summed.\n\t     * The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the sum.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n\t     *\n\t     * _.sumBy(objects, function(o) { return o.n; });\n\t     * // => 20\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sumBy(objects, 'n');\n\t     * // => 20\n\t     */\n\t    function sumBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseSum(array, getIteratee(iteratee, 2))\n\t        : 0;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    // Add methods that return wrapped values in chain sequences.\n\t    lodash.after = after;\n\t    lodash.ary = ary;\n\t    lodash.assign = assign;\n\t    lodash.assignIn = assignIn;\n\t    lodash.assignInWith = assignInWith;\n\t    lodash.assignWith = assignWith;\n\t    lodash.at = at;\n\t    lodash.before = before;\n\t    lodash.bind = bind;\n\t    lodash.bindAll = bindAll;\n\t    lodash.bindKey = bindKey;\n\t    lodash.castArray = castArray;\n\t    lodash.chain = chain;\n\t    lodash.chunk = chunk;\n\t    lodash.compact = compact;\n\t    lodash.concat = concat;\n\t    lodash.cond = cond;\n\t    lodash.conforms = conforms;\n\t    lodash.constant = constant;\n\t    lodash.countBy = countBy;\n\t    lodash.create = create;\n\t    lodash.curry = curry;\n\t    lodash.curryRight = curryRight;\n\t    lodash.debounce = debounce;\n\t    lodash.defaults = defaults;\n\t    lodash.defaultsDeep = defaultsDeep;\n\t    lodash.defer = defer;\n\t    lodash.delay = delay;\n\t    lodash.difference = difference;\n\t    lodash.differenceBy = differenceBy;\n\t    lodash.differenceWith = differenceWith;\n\t    lodash.drop = drop;\n\t    lodash.dropRight = dropRight;\n\t    lodash.dropRightWhile = dropRightWhile;\n\t    lodash.dropWhile = dropWhile;\n\t    lodash.fill = fill;\n\t    lodash.filter = filter;\n\t    lodash.flatMap = flatMap;\n\t    lodash.flatMapDeep = flatMapDeep;\n\t    lodash.flatMapDepth = flatMapDepth;\n\t    lodash.flatten = flatten;\n\t    lodash.flattenDeep = flattenDeep;\n\t    lodash.flattenDepth = flattenDepth;\n\t    lodash.flip = flip;\n\t    lodash.flow = flow;\n\t    lodash.flowRight = flowRight;\n\t    lodash.fromPairs = fromPairs;\n\t    lodash.functions = functions;\n\t    lodash.functionsIn = functionsIn;\n\t    lodash.groupBy = groupBy;\n\t    lodash.initial = initial;\n\t    lodash.intersection = intersection;\n\t    lodash.intersectionBy = intersectionBy;\n\t    lodash.intersectionWith = intersectionWith;\n\t    lodash.invert = invert;\n\t    lodash.invertBy = invertBy;\n\t    lodash.invokeMap = invokeMap;\n\t    lodash.iteratee = iteratee;\n\t    lodash.keyBy = keyBy;\n\t    lodash.keys = keys;\n\t    lodash.keysIn = keysIn;\n\t    lodash.map = map;\n\t    lodash.mapKeys = mapKeys;\n\t    lodash.mapValues = mapValues;\n\t    lodash.matches = matches;\n\t    lodash.matchesProperty = matchesProperty;\n\t    lodash.memoize = memoize;\n\t    lodash.merge = merge;\n\t    lodash.mergeWith = mergeWith;\n\t    lodash.method = method;\n\t    lodash.methodOf = methodOf;\n\t    lodash.mixin = mixin;\n\t    lodash.negate = negate;\n\t    lodash.nthArg = nthArg;\n\t    lodash.omit = omit;\n\t    lodash.omitBy = omitBy;\n\t    lodash.once = once;\n\t    lodash.orderBy = orderBy;\n\t    lodash.over = over;\n\t    lodash.overArgs = overArgs;\n\t    lodash.overEvery = overEvery;\n\t    lodash.overSome = overSome;\n\t    lodash.partial = partial;\n\t    lodash.partialRight = partialRight;\n\t    lodash.partition = partition;\n\t    lodash.pick = pick;\n\t    lodash.pickBy = pickBy;\n\t    lodash.property = property;\n\t    lodash.propertyOf = propertyOf;\n\t    lodash.pull = pull;\n\t    lodash.pullAll = pullAll;\n\t    lodash.pullAllBy = pullAllBy;\n\t    lodash.pullAllWith = pullAllWith;\n\t    lodash.pullAt = pullAt;\n\t    lodash.range = range;\n\t    lodash.rangeRight = rangeRight;\n\t    lodash.rearg = rearg;\n\t    lodash.reject = reject;\n\t    lodash.remove = remove;\n\t    lodash.rest = rest;\n\t    lodash.reverse = reverse;\n\t    lodash.sampleSize = sampleSize;\n\t    lodash.set = set;\n\t    lodash.setWith = setWith;\n\t    lodash.shuffle = shuffle;\n\t    lodash.slice = slice;\n\t    lodash.sortBy = sortBy;\n\t    lodash.sortedUniq = sortedUniq;\n\t    lodash.sortedUniqBy = sortedUniqBy;\n\t    lodash.split = split;\n\t    lodash.spread = spread;\n\t    lodash.tail = tail;\n\t    lodash.take = take;\n\t    lodash.takeRight = takeRight;\n\t    lodash.takeRightWhile = takeRightWhile;\n\t    lodash.takeWhile = takeWhile;\n\t    lodash.tap = tap;\n\t    lodash.throttle = throttle;\n\t    lodash.thru = thru;\n\t    lodash.toArray = toArray;\n\t    lodash.toPairs = toPairs;\n\t    lodash.toPairsIn = toPairsIn;\n\t    lodash.toPath = toPath;\n\t    lodash.toPlainObject = toPlainObject;\n\t    lodash.transform = transform;\n\t    lodash.unary = unary;\n\t    lodash.union = union;\n\t    lodash.unionBy = unionBy;\n\t    lodash.unionWith = unionWith;\n\t    lodash.uniq = uniq;\n\t    lodash.uniqBy = uniqBy;\n\t    lodash.uniqWith = uniqWith;\n\t    lodash.unset = unset;\n\t    lodash.unzip = unzip;\n\t    lodash.unzipWith = unzipWith;\n\t    lodash.update = update;\n\t    lodash.updateWith = updateWith;\n\t    lodash.values = values;\n\t    lodash.valuesIn = valuesIn;\n\t    lodash.without = without;\n\t    lodash.words = words;\n\t    lodash.wrap = wrap;\n\t    lodash.xor = xor;\n\t    lodash.xorBy = xorBy;\n\t    lodash.xorWith = xorWith;\n\t    lodash.zip = zip;\n\t    lodash.zipObject = zipObject;\n\t    lodash.zipObjectDeep = zipObjectDeep;\n\t    lodash.zipWith = zipWith;\n\t\n\t    // Add aliases.\n\t    lodash.entries = toPairs;\n\t    lodash.entriesIn = toPairsIn;\n\t    lodash.extend = assignIn;\n\t    lodash.extendWith = assignInWith;\n\t\n\t    // Add methods to `lodash.prototype`.\n\t    mixin(lodash, lodash);\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    // Add methods that return unwrapped values in chain sequences.\n\t    lodash.add = add;\n\t    lodash.attempt = attempt;\n\t    lodash.camelCase = camelCase;\n\t    lodash.capitalize = capitalize;\n\t    lodash.ceil = ceil;\n\t    lodash.clamp = clamp;\n\t    lodash.clone = clone;\n\t    lodash.cloneDeep = cloneDeep;\n\t    lodash.cloneDeepWith = cloneDeepWith;\n\t    lodash.cloneWith = cloneWith;\n\t    lodash.conformsTo = conformsTo;\n\t    lodash.deburr = deburr;\n\t    lodash.defaultTo = defaultTo;\n\t    lodash.divide = divide;\n\t    lodash.endsWith = endsWith;\n\t    lodash.eq = eq;\n\t    lodash.escape = escape;\n\t    lodash.escapeRegExp = escapeRegExp;\n\t    lodash.every = every;\n\t    lodash.find = find;\n\t    lodash.findIndex = findIndex;\n\t    lodash.findKey = findKey;\n\t    lodash.findLast = findLast;\n\t    lodash.findLastIndex = findLastIndex;\n\t    lodash.findLastKey = findLastKey;\n\t    lodash.floor = floor;\n\t    lodash.forEach = forEach;\n\t    lodash.forEachRight = forEachRight;\n\t    lodash.forIn = forIn;\n\t    lodash.forInRight = forInRight;\n\t    lodash.forOwn = forOwn;\n\t    lodash.forOwnRight = forOwnRight;\n\t    lodash.get = get;\n\t    lodash.gt = gt;\n\t    lodash.gte = gte;\n\t    lodash.has = has;\n\t    lodash.hasIn = hasIn;\n\t    lodash.head = head;\n\t    lodash.identity = identity;\n\t    lodash.includes = includes;\n\t    lodash.indexOf = indexOf;\n\t    lodash.inRange = inRange;\n\t    lodash.invoke = invoke;\n\t    lodash.isArguments = isArguments;\n\t    lodash.isArray = isArray;\n\t    lodash.isArrayBuffer = isArrayBuffer;\n\t    lodash.isArrayLike = isArrayLike;\n\t    lodash.isArrayLikeObject = isArrayLikeObject;\n\t    lodash.isBoolean = isBoolean;\n\t    lodash.isBuffer = isBuffer;\n\t    lodash.isDate = isDate;\n\t    lodash.isElement = isElement;\n\t    lodash.isEmpty = isEmpty;\n\t    lodash.isEqual = isEqual;\n\t    lodash.isEqualWith = isEqualWith;\n\t    lodash.isError = isError;\n\t    lodash.isFinite = isFinite;\n\t    lodash.isFunction = isFunction;\n\t    lodash.isInteger = isInteger;\n\t    lodash.isLength = isLength;\n\t    lodash.isMap = isMap;\n\t    lodash.isMatch = isMatch;\n\t    lodash.isMatchWith = isMatchWith;\n\t    lodash.isNaN = isNaN;\n\t    lodash.isNative = isNative;\n\t    lodash.isNil = isNil;\n\t    lodash.isNull = isNull;\n\t    lodash.isNumber = isNumber;\n\t    lodash.isObject = isObject;\n\t    lodash.isObjectLike = isObjectLike;\n\t    lodash.isPlainObject = isPlainObject;\n\t    lodash.isRegExp = isRegExp;\n\t    lodash.isSafeInteger = isSafeInteger;\n\t    lodash.isSet = isSet;\n\t    lodash.isString = isString;\n\t    lodash.isSymbol = isSymbol;\n\t    lodash.isTypedArray = isTypedArray;\n\t    lodash.isUndefined = isUndefined;\n\t    lodash.isWeakMap = isWeakMap;\n\t    lodash.isWeakSet = isWeakSet;\n\t    lodash.join = join;\n\t    lodash.kebabCase = kebabCase;\n\t    lodash.last = last;\n\t    lodash.lastIndexOf = lastIndexOf;\n\t    lodash.lowerCase = lowerCase;\n\t    lodash.lowerFirst = lowerFirst;\n\t    lodash.lt = lt;\n\t    lodash.lte = lte;\n\t    lodash.max = max;\n\t    lodash.maxBy = maxBy;\n\t    lodash.mean = mean;\n\t    lodash.meanBy = meanBy;\n\t    lodash.min = min;\n\t    lodash.minBy = minBy;\n\t    lodash.stubArray = stubArray;\n\t    lodash.stubFalse = stubFalse;\n\t    lodash.stubObject = stubObject;\n\t    lodash.stubString = stubString;\n\t    lodash.stubTrue = stubTrue;\n\t    lodash.multiply = multiply;\n\t    lodash.nth = nth;\n\t    lodash.noConflict = noConflict;\n\t    lodash.noop = noop;\n\t    lodash.now = now;\n\t    lodash.pad = pad;\n\t    lodash.padEnd = padEnd;\n\t    lodash.padStart = padStart;\n\t    lodash.parseInt = parseInt;\n\t    lodash.random = random;\n\t    lodash.reduce = reduce;\n\t    lodash.reduceRight = reduceRight;\n\t    lodash.repeat = repeat;\n\t    lodash.replace = replace;\n\t    lodash.result = result;\n\t    lodash.round = round;\n\t    lodash.runInContext = runInContext;\n\t    lodash.sample = sample;\n\t    lodash.size = size;\n\t    lodash.snakeCase = snakeCase;\n\t    lodash.some = some;\n\t    lodash.sortedIndex = sortedIndex;\n\t    lodash.sortedIndexBy = sortedIndexBy;\n\t    lodash.sortedIndexOf = sortedIndexOf;\n\t    lodash.sortedLastIndex = sortedLastIndex;\n\t    lodash.sortedLastIndexBy = sortedLastIndexBy;\n\t    lodash.sortedLastIndexOf = sortedLastIndexOf;\n\t    lodash.startCase = startCase;\n\t    lodash.startsWith = startsWith;\n\t    lodash.subtract = subtract;\n\t    lodash.sum = sum;\n\t    lodash.sumBy = sumBy;\n\t    lodash.template = template;\n\t    lodash.times = times;\n\t    lodash.toFinite = toFinite;\n\t    lodash.toInteger = toInteger;\n\t    lodash.toLength = toLength;\n\t    lodash.toLower = toLower;\n\t    lodash.toNumber = toNumber;\n\t    lodash.toSafeInteger = toSafeInteger;\n\t    lodash.toString = toString;\n\t    lodash.toUpper = toUpper;\n\t    lodash.trim = trim;\n\t    lodash.trimEnd = trimEnd;\n\t    lodash.trimStart = trimStart;\n\t    lodash.truncate = truncate;\n\t    lodash.unescape = unescape;\n\t    lodash.uniqueId = uniqueId;\n\t    lodash.upperCase = upperCase;\n\t    lodash.upperFirst = upperFirst;\n\t\n\t    // Add aliases.\n\t    lodash.each = forEach;\n\t    lodash.eachRight = forEachRight;\n\t    lodash.first = head;\n\t\n\t    mixin(lodash, (function() {\n\t      var source = {};\n\t      baseForOwn(lodash, function(func, methodName) {\n\t        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n\t          source[methodName] = func;\n\t        }\n\t      });\n\t      return source;\n\t    }()), { 'chain': false });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * The semantic version number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @type {string}\n\t     */\n\t    lodash.VERSION = VERSION;\n\t\n\t    // Assign default placeholders.\n\t    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n\t      lodash[methodName].placeholder = lodash;\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n\t    arrayEach(['drop', 'take'], function(methodName, index) {\n\t      LazyWrapper.prototype[methodName] = function(n) {\n\t        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\t\n\t        var result = (this.__filtered__ && !index)\n\t          ? new LazyWrapper(this)\n\t          : this.clone();\n\t\n\t        if (result.__filtered__) {\n\t          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n\t        } else {\n\t          result.__views__.push({\n\t            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n\t            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n\t          });\n\t        }\n\t        return result;\n\t      };\n\t\n\t      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n\t        return this.reverse()[methodName](n).reverse();\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods that accept an `iteratee` value.\n\t    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n\t      var type = index + 1,\n\t          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\t\n\t      LazyWrapper.prototype[methodName] = function(iteratee) {\n\t        var result = this.clone();\n\t        result.__iteratees__.push({\n\t          'iteratee': getIteratee(iteratee, 3),\n\t          'type': type\n\t        });\n\t        result.__filtered__ = result.__filtered__ || isFilter;\n\t        return result;\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n\t    arrayEach(['head', 'last'], function(methodName, index) {\n\t      var takeName = 'take' + (index ? 'Right' : '');\n\t\n\t      LazyWrapper.prototype[methodName] = function() {\n\t        return this[takeName](1).value()[0];\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n\t    arrayEach(['initial', 'tail'], function(methodName, index) {\n\t      var dropName = 'drop' + (index ? '' : 'Right');\n\t\n\t      LazyWrapper.prototype[methodName] = function() {\n\t        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n\t      };\n\t    });\n\t\n\t    LazyWrapper.prototype.compact = function() {\n\t      return this.filter(identity);\n\t    };\n\t\n\t    LazyWrapper.prototype.find = function(predicate) {\n\t      return this.filter(predicate).head();\n\t    };\n\t\n\t    LazyWrapper.prototype.findLast = function(predicate) {\n\t      return this.reverse().find(predicate);\n\t    };\n\t\n\t    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n\t      if (typeof path == 'function') {\n\t        return new LazyWrapper(this);\n\t      }\n\t      return this.map(function(value) {\n\t        return baseInvoke(value, path, args);\n\t      });\n\t    });\n\t\n\t    LazyWrapper.prototype.reject = function(predicate) {\n\t      return this.filter(negate(getIteratee(predicate)));\n\t    };\n\t\n\t    LazyWrapper.prototype.slice = function(start, end) {\n\t      start = toInteger(start);\n\t\n\t      var result = this;\n\t      if (result.__filtered__ && (start > 0 || end < 0)) {\n\t        return new LazyWrapper(result);\n\t      }\n\t      if (start < 0) {\n\t        result = result.takeRight(-start);\n\t      } else if (start) {\n\t        result = result.drop(start);\n\t      }\n\t      if (end !== undefined) {\n\t        end = toInteger(end);\n\t        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n\t      }\n\t      return result;\n\t    };\n\t\n\t    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n\t      return this.reverse().takeWhile(predicate).reverse();\n\t    };\n\t\n\t    LazyWrapper.prototype.toArray = function() {\n\t      return this.take(MAX_ARRAY_LENGTH);\n\t    };\n\t\n\t    // Add `LazyWrapper` methods to `lodash.prototype`.\n\t    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n\t      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n\t          isTaker = /^(?:head|last)$/.test(methodName),\n\t          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n\t          retUnwrapped = isTaker || /^find/.test(methodName);\n\t\n\t      if (!lodashFunc) {\n\t        return;\n\t      }\n\t      lodash.prototype[methodName] = function() {\n\t        var value = this.__wrapped__,\n\t            args = isTaker ? [1] : arguments,\n\t            isLazy = value instanceof LazyWrapper,\n\t            iteratee = args[0],\n\t            useLazy = isLazy || isArray(value);\n\t\n\t        var interceptor = function(value) {\n\t          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n\t          return (isTaker && chainAll) ? result[0] : result;\n\t        };\n\t\n\t        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n\t          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n\t          isLazy = useLazy = false;\n\t        }\n\t        var chainAll = this.__chain__,\n\t            isHybrid = !!this.__actions__.length,\n\t            isUnwrapped = retUnwrapped && !chainAll,\n\t            onlyLazy = isLazy && !isHybrid;\n\t\n\t        if (!retUnwrapped && useLazy) {\n\t          value = onlyLazy ? value : new LazyWrapper(this);\n\t          var result = func.apply(value, args);\n\t          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n\t          return new LodashWrapper(result, chainAll);\n\t        }\n\t        if (isUnwrapped && onlyLazy) {\n\t          return func.apply(this, args);\n\t        }\n\t        result = this.thru(interceptor);\n\t        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n\t      };\n\t    });\n\t\n\t    // Add `Array` methods to `lodash.prototype`.\n\t    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n\t      var func = arrayProto[methodName],\n\t          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n\t          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\t\n\t      lodash.prototype[methodName] = function() {\n\t        var args = arguments;\n\t        if (retUnwrapped && !this.__chain__) {\n\t          var value = this.value();\n\t          return func.apply(isArray(value) ? value : [], args);\n\t        }\n\t        return this[chainName](function(value) {\n\t          return func.apply(isArray(value) ? value : [], args);\n\t        });\n\t      };\n\t    });\n\t\n\t    // Map minified method names to their real names.\n\t    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n\t      var lodashFunc = lodash[methodName];\n\t      if (lodashFunc) {\n\t        var key = (lodashFunc.name + ''),\n\t            names = realNames[key] || (realNames[key] = []);\n\t\n\t        names.push({ 'name': methodName, 'func': lodashFunc });\n\t      }\n\t    });\n\t\n\t    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n\t      'name': 'wrapper',\n\t      'func': undefined\n\t    }];\n\t\n\t    // Add methods to `LazyWrapper`.\n\t    LazyWrapper.prototype.clone = lazyClone;\n\t    LazyWrapper.prototype.reverse = lazyReverse;\n\t    LazyWrapper.prototype.value = lazyValue;\n\t\n\t    // Add chain sequence methods to the `lodash` wrapper.\n\t    lodash.prototype.at = wrapperAt;\n\t    lodash.prototype.chain = wrapperChain;\n\t    lodash.prototype.commit = wrapperCommit;\n\t    lodash.prototype.next = wrapperNext;\n\t    lodash.prototype.plant = wrapperPlant;\n\t    lodash.prototype.reverse = wrapperReverse;\n\t    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\t\n\t    // Add lazy aliases.\n\t    lodash.prototype.first = lodash.prototype.head;\n\t\n\t    if (symIterator) {\n\t      lodash.prototype[symIterator] = wrapperToIterator;\n\t    }\n\t    return lodash;\n\t  });\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  // Export lodash.\n\t  var _ = runInContext();\n\t\n\t  // Some AMD build optimizers, like r.js, check for condition patterns like:\n\t  if (true) {\n\t    // Expose Lodash on the global object to prevent errors when Lodash is\n\t    // loaded by a script tag in the presence of an AMD loader.\n\t    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n\t    // Use `_.noConflict` to remove Lodash from the global object.\n\t    root._ = _;\n\t\n\t    // Define as an anonymous module so, through path mapping, it can be\n\t    // referenced as the \"underscore\" module.\n\t    !(__WEBPACK_AMD_DEFINE_RESULT__ = function() {\n\t      return _;\n\t    }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n\t  }\n\t  // Check for `exports` after `define` in case a build optimizer adds it.\n\t  else if (freeModule) {\n\t    // Export for Node.js.\n\t    (freeModule.exports = _)._ = _;\n\t    // Export for CommonJS support.\n\t    freeExports._ = _;\n\t  }\n\t  else {\n\t    // Export to the global object.\n\t    root._ = _;\n\t  }\n\t}.call(this));\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()), __webpack_require__(13)(module)))\n\n/***/ }),\n/* 155 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(158), __esModule: true };\n\n/***/ }),\n/* 156 */\n/***/ (function(module, exports) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\texports.default = function (instance, Constructor) {\n\t  if (!(instance instanceof Constructor)) {\n\t    throw new TypeError(\"Cannot call a class as a function\");\n\t  }\n\t};\n\n/***/ }),\n/* 157 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\tvar _defineProperty = __webpack_require__(155);\n\t\n\tvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = function () {\n\t  function defineProperties(target, props) {\n\t    for (var i = 0; i < props.length; i++) {\n\t      var descriptor = props[i];\n\t      descriptor.enumerable = descriptor.enumerable || false;\n\t      descriptor.configurable = true;\n\t      if (\"value\" in descriptor) descriptor.writable = true;\n\t      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n\t    }\n\t  }\n\t\n\t  return function (Constructor, protoProps, staticProps) {\n\t    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n\t    if (staticProps) defineProperties(Constructor, staticProps);\n\t    return Constructor;\n\t  };\n\t}();\n\n/***/ }),\n/* 158 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(168);\n\tvar $Object = __webpack_require__(61).Object;\n\tmodule.exports = function defineProperty(it, key, desc){\n\t  return $Object.defineProperty(it, key, desc);\n\t};\n\n/***/ }),\n/* 159 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(it){\n\t  if(typeof it != 'function')throw TypeError(it + ' is not a function!');\n\t  return it;\n\t};\n\n/***/ }),\n/* 160 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar isObject = __webpack_require__(37);\n\tmodule.exports = function(it){\n\t  if(!isObject(it))throw TypeError(it + ' is not an object!');\n\t  return it;\n\t};\n\n/***/ }),\n/* 161 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// optional / simple context binding\n\tvar aFunction = __webpack_require__(159);\n\tmodule.exports = function(fn, that, length){\n\t  aFunction(fn);\n\t  if(that === undefined)return fn;\n\t  switch(length){\n\t    case 1: return function(a){\n\t      return fn.call(that, a);\n\t    };\n\t    case 2: return function(a, b){\n\t      return fn.call(that, a, b);\n\t    };\n\t    case 3: return function(a, b, c){\n\t      return fn.call(that, a, b, c);\n\t    };\n\t  }\n\t  return function(/* ...args */){\n\t    return fn.apply(that, arguments);\n\t  };\n\t};\n\n/***/ }),\n/* 162 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar isObject = __webpack_require__(37)\n\t  , document = __webpack_require__(63).document\n\t  // in old IE typeof document.createElement is 'object'\n\t  , is = isObject(document) && isObject(document.createElement);\n\tmodule.exports = function(it){\n\t  return is ? document.createElement(it) : {};\n\t};\n\n/***/ }),\n/* 163 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar global    = __webpack_require__(63)\n\t  , core      = __webpack_require__(61)\n\t  , ctx       = __webpack_require__(161)\n\t  , hide      = __webpack_require__(164)\n\t  , PROTOTYPE = 'prototype';\n\t\n\tvar $export = function(type, name, source){\n\t  var IS_FORCED = type & $export.F\n\t    , IS_GLOBAL = type & $export.G\n\t    , IS_STATIC = type & $export.S\n\t    , IS_PROTO  = type & $export.P\n\t    , IS_BIND   = type & $export.B\n\t    , IS_WRAP   = type & $export.W\n\t    , exports   = IS_GLOBAL ? core : core[name] || (core[name] = {})\n\t    , expProto  = exports[PROTOTYPE]\n\t    , target    = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE]\n\t    , key, own, out;\n\t  if(IS_GLOBAL)source = name;\n\t  for(key in source){\n\t    // contains in native\n\t    own = !IS_FORCED && target && target[key] !== undefined;\n\t    if(own && key in exports)continue;\n\t    // export native or passed\n\t    out = own ? target[key] : source[key];\n\t    // prevent global pollution for namespaces\n\t    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n\t    // bind timers to global for call from export context\n\t    : IS_BIND && own ? ctx(out, global)\n\t    // wrap global constructors for prevent change them in library\n\t    : IS_WRAP && target[key] == out ? (function(C){\n\t      var F = function(a, b, c){\n\t        if(this instanceof C){\n\t          switch(arguments.length){\n\t            case 0: return new C;\n\t            case 1: return new C(a);\n\t            case 2: return new C(a, b);\n\t          } return new C(a, b, c);\n\t        } return C.apply(this, arguments);\n\t      };\n\t      F[PROTOTYPE] = C[PROTOTYPE];\n\t      return F;\n\t    // make static versions for prototype methods\n\t    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n\t    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n\t    if(IS_PROTO){\n\t      (exports.virtual || (exports.virtual = {}))[key] = out;\n\t      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n\t      if(type & $export.R && expProto && !expProto[key])hide(expProto, key, out);\n\t    }\n\t  }\n\t};\n\t// type bitmap\n\t$export.F = 1;   // forced\n\t$export.G = 2;   // global\n\t$export.S = 4;   // static\n\t$export.P = 8;   // proto\n\t$export.B = 16;  // bind\n\t$export.W = 32;  // wrap\n\t$export.U = 64;  // safe\n\t$export.R = 128; // real proto method for `library` \n\tmodule.exports = $export;\n\n/***/ }),\n/* 164 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar dP         = __webpack_require__(64)\n\t  , createDesc = __webpack_require__(166);\n\tmodule.exports = __webpack_require__(19) ? function(object, key, value){\n\t  return dP.f(object, key, createDesc(1, value));\n\t} : function(object, key, value){\n\t  object[key] = value;\n\t  return object;\n\t};\n\n/***/ }),\n/* 165 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = !__webpack_require__(19) && !__webpack_require__(62)(function(){\n\t  return Object.defineProperty(__webpack_require__(162)('div'), 'a', {get: function(){ return 7; }}).a != 7;\n\t});\n\n/***/ }),\n/* 166 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(bitmap, value){\n\t  return {\n\t    enumerable  : !(bitmap & 1),\n\t    configurable: !(bitmap & 2),\n\t    writable    : !(bitmap & 4),\n\t    value       : value\n\t  };\n\t};\n\n/***/ }),\n/* 167 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 7.1.1 ToPrimitive(input [, PreferredType])\n\tvar isObject = __webpack_require__(37);\n\t// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n\t// and the second argument - flag - preferred type is a string\n\tmodule.exports = function(it, S){\n\t  if(!isObject(it))return it;\n\t  var fn, val;\n\t  if(S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n\t  if(typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it)))return val;\n\t  if(!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n\t  throw TypeError(\"Can't convert object to primitive value\");\n\t};\n\n/***/ }),\n/* 168 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar $export = __webpack_require__(163);\n\t// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n\t$export($export.S + $export.F * !__webpack_require__(19), 'Object', {defineProperty: __webpack_require__(64).f});\n\n/***/ }),\n/* 169 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(global, module) {/**\n\t * @license\n\t * Lodash <https://lodash.com/>\n\t * Copyright JS Foundation and other contributors <https://js.foundation/>\n\t * Released under MIT license <https://lodash.com/license>\n\t * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n\t * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n\t */\n\t;(function() {\n\t\n\t  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n\t  var undefined;\n\t\n\t  /** Used as the semantic version number. */\n\t  var VERSION = '4.17.4';\n\t\n\t  /** Used as the size to enable large array optimizations. */\n\t  var LARGE_ARRAY_SIZE = 200;\n\t\n\t  /** Error message constants. */\n\t  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n\t      FUNC_ERROR_TEXT = 'Expected a function';\n\t\n\t  /** Used to stand-in for `undefined` hash values. */\n\t  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\t\n\t  /** Used as the maximum memoize cache size. */\n\t  var MAX_MEMOIZE_SIZE = 500;\n\t\n\t  /** Used as the internal argument placeholder. */\n\t  var PLACEHOLDER = '__lodash_placeholder__';\n\t\n\t  /** Used to compose bitmasks for cloning. */\n\t  var CLONE_DEEP_FLAG = 1,\n\t      CLONE_FLAT_FLAG = 2,\n\t      CLONE_SYMBOLS_FLAG = 4;\n\t\n\t  /** Used to compose bitmasks for value comparisons. */\n\t  var COMPARE_PARTIAL_FLAG = 1,\n\t      COMPARE_UNORDERED_FLAG = 2;\n\t\n\t  /** Used to compose bitmasks for function metadata. */\n\t  var WRAP_BIND_FLAG = 1,\n\t      WRAP_BIND_KEY_FLAG = 2,\n\t      WRAP_CURRY_BOUND_FLAG = 4,\n\t      WRAP_CURRY_FLAG = 8,\n\t      WRAP_CURRY_RIGHT_FLAG = 16,\n\t      WRAP_PARTIAL_FLAG = 32,\n\t      WRAP_PARTIAL_RIGHT_FLAG = 64,\n\t      WRAP_ARY_FLAG = 128,\n\t      WRAP_REARG_FLAG = 256,\n\t      WRAP_FLIP_FLAG = 512;\n\t\n\t  /** Used as default options for `_.truncate`. */\n\t  var DEFAULT_TRUNC_LENGTH = 30,\n\t      DEFAULT_TRUNC_OMISSION = '...';\n\t\n\t  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n\t  var HOT_COUNT = 800,\n\t      HOT_SPAN = 16;\n\t\n\t  /** Used to indicate the type of lazy iteratees. */\n\t  var LAZY_FILTER_FLAG = 1,\n\t      LAZY_MAP_FLAG = 2,\n\t      LAZY_WHILE_FLAG = 3;\n\t\n\t  /** Used as references for various `Number` constants. */\n\t  var INFINITY = 1 / 0,\n\t      MAX_SAFE_INTEGER = 9007199254740991,\n\t      MAX_INTEGER = 1.7976931348623157e+308,\n\t      NAN = 0 / 0;\n\t\n\t  /** Used as references for the maximum length and index of an array. */\n\t  var MAX_ARRAY_LENGTH = 4294967295,\n\t      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n\t      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\t\n\t  /** Used to associate wrap methods with their bit flags. */\n\t  var wrapFlags = [\n\t    ['ary', WRAP_ARY_FLAG],\n\t    ['bind', WRAP_BIND_FLAG],\n\t    ['bindKey', WRAP_BIND_KEY_FLAG],\n\t    ['curry', WRAP_CURRY_FLAG],\n\t    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n\t    ['flip', WRAP_FLIP_FLAG],\n\t    ['partial', WRAP_PARTIAL_FLAG],\n\t    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n\t    ['rearg', WRAP_REARG_FLAG]\n\t  ];\n\t\n\t  /** `Object#toString` result references. */\n\t  var argsTag = '[object Arguments]',\n\t      arrayTag = '[object Array]',\n\t      asyncTag = '[object AsyncFunction]',\n\t      boolTag = '[object Boolean]',\n\t      dateTag = '[object Date]',\n\t      domExcTag = '[object DOMException]',\n\t      errorTag = '[object Error]',\n\t      funcTag = '[object Function]',\n\t      genTag = '[object GeneratorFunction]',\n\t      mapTag = '[object Map]',\n\t      numberTag = '[object Number]',\n\t      nullTag = '[object Null]',\n\t      objectTag = '[object Object]',\n\t      promiseTag = '[object Promise]',\n\t      proxyTag = '[object Proxy]',\n\t      regexpTag = '[object RegExp]',\n\t      setTag = '[object Set]',\n\t      stringTag = '[object String]',\n\t      symbolTag = '[object Symbol]',\n\t      undefinedTag = '[object Undefined]',\n\t      weakMapTag = '[object WeakMap]',\n\t      weakSetTag = '[object WeakSet]';\n\t\n\t  var arrayBufferTag = '[object ArrayBuffer]',\n\t      dataViewTag = '[object DataView]',\n\t      float32Tag = '[object Float32Array]',\n\t      float64Tag = '[object Float64Array]',\n\t      int8Tag = '[object Int8Array]',\n\t      int16Tag = '[object Int16Array]',\n\t      int32Tag = '[object Int32Array]',\n\t      uint8Tag = '[object Uint8Array]',\n\t      uint8ClampedTag = '[object Uint8ClampedArray]',\n\t      uint16Tag = '[object Uint16Array]',\n\t      uint32Tag = '[object Uint32Array]';\n\t\n\t  /** Used to match empty string literals in compiled template source. */\n\t  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n\t      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n\t      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\t\n\t  /** Used to match HTML entities and HTML characters. */\n\t  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n\t      reUnescapedHtml = /[&<>\"']/g,\n\t      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n\t      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\t\n\t  /** Used to match template delimiters. */\n\t  var reEscape = /<%-([\\s\\S]+?)%>/g,\n\t      reEvaluate = /<%([\\s\\S]+?)%>/g,\n\t      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\t\n\t  /** Used to match property names within property paths. */\n\t  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n\t      reIsPlainProp = /^\\w*$/,\n\t      reLeadingDot = /^\\./,\n\t      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\t\n\t  /**\n\t   * Used to match `RegExp`\n\t   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n\t   */\n\t  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n\t      reHasRegExpChar = RegExp(reRegExpChar.source);\n\t\n\t  /** Used to match leading and trailing whitespace. */\n\t  var reTrim = /^\\s+|\\s+$/g,\n\t      reTrimStart = /^\\s+/,\n\t      reTrimEnd = /\\s+$/;\n\t\n\t  /** Used to match wrap detail comments. */\n\t  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n\t      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n\t      reSplitDetails = /,? & /;\n\t\n\t  /** Used to match words composed of alphanumeric characters. */\n\t  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\t\n\t  /** Used to match backslashes in property paths. */\n\t  var reEscapeChar = /\\\\(\\\\)?/g;\n\t\n\t  /**\n\t   * Used to match\n\t   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n\t   */\n\t  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\t\n\t  /** Used to match `RegExp` flags from their coerced string values. */\n\t  var reFlags = /\\w*$/;\n\t\n\t  /** Used to detect bad signed hexadecimal string values. */\n\t  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\t\n\t  /** Used to detect binary string values. */\n\t  var reIsBinary = /^0b[01]+$/i;\n\t\n\t  /** Used to detect host constructors (Safari). */\n\t  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\t\n\t  /** Used to detect octal string values. */\n\t  var reIsOctal = /^0o[0-7]+$/i;\n\t\n\t  /** Used to detect unsigned integer values. */\n\t  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\t\n\t  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n\t  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\t\n\t  /** Used to ensure capturing order of template delimiters. */\n\t  var reNoMatch = /($^)/;\n\t\n\t  /** Used to match unescaped characters in compiled string literals. */\n\t  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\t\n\t  /** Used to compose unicode character classes. */\n\t  var rsAstralRange = '\\\\ud800-\\\\udfff',\n\t      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n\t      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n\t      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n\t      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n\t      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n\t      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n\t      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n\t      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n\t      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n\t      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n\t      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n\t      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n\t      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\t\n\t  /** Used to compose unicode capture groups. */\n\t  var rsApos = \"['\\u2019]\",\n\t      rsAstral = '[' + rsAstralRange + ']',\n\t      rsBreak = '[' + rsBreakRange + ']',\n\t      rsCombo = '[' + rsComboRange + ']',\n\t      rsDigits = '\\\\d+',\n\t      rsDingbat = '[' + rsDingbatRange + ']',\n\t      rsLower = '[' + rsLowerRange + ']',\n\t      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n\t      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n\t      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n\t      rsNonAstral = '[^' + rsAstralRange + ']',\n\t      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n\t      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n\t      rsUpper = '[' + rsUpperRange + ']',\n\t      rsZWJ = '\\\\u200d';\n\t\n\t  /** Used to compose unicode regexes. */\n\t  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n\t      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n\t      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n\t      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n\t      reOptMod = rsModifier + '?',\n\t      rsOptVar = '[' + rsVarRange + ']?',\n\t      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n\t      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n\t      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n\t      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n\t      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n\t      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\t\n\t  /** Used to match apostrophes. */\n\t  var reApos = RegExp(rsApos, 'g');\n\t\n\t  /**\n\t   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n\t   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n\t   */\n\t  var reComboMark = RegExp(rsCombo, 'g');\n\t\n\t  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n\t  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\t\n\t  /** Used to match complex or compound words. */\n\t  var reUnicodeWord = RegExp([\n\t    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n\t    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n\t    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n\t    rsUpper + '+' + rsOptContrUpper,\n\t    rsOrdUpper,\n\t    rsOrdLower,\n\t    rsDigits,\n\t    rsEmoji\n\t  ].join('|'), 'g');\n\t\n\t  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n\t  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\t\n\t  /** Used to detect strings that need a more robust regexp to match words. */\n\t  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\t\n\t  /** Used to assign default `context` object properties. */\n\t  var contextProps = [\n\t    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n\t    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n\t    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n\t    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n\t    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n\t  ];\n\t\n\t  /** Used to make template sourceURLs easier to identify. */\n\t  var templateCounter = -1;\n\t\n\t  /** Used to identify `toStringTag` values of typed arrays. */\n\t  var typedArrayTags = {};\n\t  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n\t  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n\t  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n\t  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n\t  typedArrayTags[uint32Tag] = true;\n\t  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n\t  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n\t  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n\t  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n\t  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n\t  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n\t  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n\t  typedArrayTags[weakMapTag] = false;\n\t\n\t  /** Used to identify `toStringTag` values supported by `_.clone`. */\n\t  var cloneableTags = {};\n\t  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n\t  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n\t  cloneableTags[boolTag] = cloneableTags[dateTag] =\n\t  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n\t  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n\t  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n\t  cloneableTags[numberTag] = cloneableTags[objectTag] =\n\t  cloneableTags[regexpTag] = cloneableTags[setTag] =\n\t  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n\t  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n\t  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n\t  cloneableTags[errorTag] = cloneableTags[funcTag] =\n\t  cloneableTags[weakMapTag] = false;\n\t\n\t  /** Used to map Latin Unicode letters to basic Latin letters. */\n\t  var deburredLetters = {\n\t    // Latin-1 Supplement block.\n\t    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n\t    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n\t    '\\xc7': 'C',  '\\xe7': 'c',\n\t    '\\xd0': 'D',  '\\xf0': 'd',\n\t    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n\t    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n\t    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n\t    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n\t    '\\xd1': 'N',  '\\xf1': 'n',\n\t    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n\t    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n\t    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n\t    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n\t    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n\t    '\\xc6': 'Ae', '\\xe6': 'ae',\n\t    '\\xde': 'Th', '\\xfe': 'th',\n\t    '\\xdf': 'ss',\n\t    // Latin Extended-A block.\n\t    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n\t    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n\t    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n\t    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n\t    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n\t    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n\t    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n\t    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n\t    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n\t    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n\t    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n\t    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n\t    '\\u0134': 'J',  '\\u0135': 'j',\n\t    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n\t    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n\t    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n\t    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n\t    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n\t    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n\t    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n\t    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n\t    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n\t    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n\t    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n\t    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n\t    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n\t    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n\t    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n\t    '\\u0174': 'W',  '\\u0175': 'w',\n\t    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n\t    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n\t    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n\t    '\\u0132': 'IJ', '\\u0133': 'ij',\n\t    '\\u0152': 'Oe', '\\u0153': 'oe',\n\t    '\\u0149': \"'n\", '\\u017f': 's'\n\t  };\n\t\n\t  /** Used to map characters to HTML entities. */\n\t  var htmlEscapes = {\n\t    '&': '&amp;',\n\t    '<': '&lt;',\n\t    '>': '&gt;',\n\t    '\"': '&quot;',\n\t    \"'\": '&#39;'\n\t  };\n\t\n\t  /** Used to map HTML entities to characters. */\n\t  var htmlUnescapes = {\n\t    '&amp;': '&',\n\t    '&lt;': '<',\n\t    '&gt;': '>',\n\t    '&quot;': '\"',\n\t    '&#39;': \"'\"\n\t  };\n\t\n\t  /** Used to escape characters for inclusion in compiled string literals. */\n\t  var stringEscapes = {\n\t    '\\\\': '\\\\',\n\t    \"'\": \"'\",\n\t    '\\n': 'n',\n\t    '\\r': 'r',\n\t    '\\u2028': 'u2028',\n\t    '\\u2029': 'u2029'\n\t  };\n\t\n\t  /** Built-in method references without a dependency on `root`. */\n\t  var freeParseFloat = parseFloat,\n\t      freeParseInt = parseInt;\n\t\n\t  /** Detect free variable `global` from Node.js. */\n\t  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\t\n\t  /** Detect free variable `self`. */\n\t  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\t\n\t  /** Used as a reference to the global object. */\n\t  var root = freeGlobal || freeSelf || Function('return this')();\n\t\n\t  /** Detect free variable `exports`. */\n\t  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\t\n\t  /** Detect free variable `module`. */\n\t  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\t\n\t  /** Detect the popular CommonJS extension `module.exports`. */\n\t  var moduleExports = freeModule && freeModule.exports === freeExports;\n\t\n\t  /** Detect free variable `process` from Node.js. */\n\t  var freeProcess = moduleExports && freeGlobal.process;\n\t\n\t  /** Used to access faster Node.js helpers. */\n\t  var nodeUtil = (function() {\n\t    try {\n\t      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n\t    } catch (e) {}\n\t  }());\n\t\n\t  /* Node.js helper references. */\n\t  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n\t      nodeIsDate = nodeUtil && nodeUtil.isDate,\n\t      nodeIsMap = nodeUtil && nodeUtil.isMap,\n\t      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n\t      nodeIsSet = nodeUtil && nodeUtil.isSet,\n\t      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  /**\n\t   * Adds the key-value `pair` to `map`.\n\t   *\n\t   * @private\n\t   * @param {Object} map The map to modify.\n\t   * @param {Array} pair The key-value pair to add.\n\t   * @returns {Object} Returns `map`.\n\t   */\n\t  function addMapEntry(map, pair) {\n\t    // Don't return `map.set` because it's not chainable in IE 11.\n\t    map.set(pair[0], pair[1]);\n\t    return map;\n\t  }\n\t\n\t  /**\n\t   * Adds `value` to `set`.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to modify.\n\t   * @param {*} value The value to add.\n\t   * @returns {Object} Returns `set`.\n\t   */\n\t  function addSetEntry(set, value) {\n\t    // Don't return `set.add` because it's not chainable in IE 11.\n\t    set.add(value);\n\t    return set;\n\t  }\n\t\n\t  /**\n\t   * A faster alternative to `Function#apply`, this function invokes `func`\n\t   * with the `this` binding of `thisArg` and the arguments of `args`.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to invoke.\n\t   * @param {*} thisArg The `this` binding of `func`.\n\t   * @param {Array} args The arguments to invoke `func` with.\n\t   * @returns {*} Returns the result of `func`.\n\t   */\n\t  function apply(func, thisArg, args) {\n\t    switch (args.length) {\n\t      case 0: return func.call(thisArg);\n\t      case 1: return func.call(thisArg, args[0]);\n\t      case 2: return func.call(thisArg, args[0], args[1]);\n\t      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n\t    }\n\t    return func.apply(thisArg, args);\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `baseAggregator` for arrays.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} setter The function to set `accumulator` values.\n\t   * @param {Function} iteratee The iteratee to transform keys.\n\t   * @param {Object} accumulator The initial aggregated object.\n\t   * @returns {Function} Returns `accumulator`.\n\t   */\n\t  function arrayAggregator(array, setter, iteratee, accumulator) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      setter(accumulator, value, iteratee(value), array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.forEach` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayEach(array, iteratee) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (iteratee(array[index], index, array) === false) {\n\t        break;\n\t      }\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.forEachRight` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayEachRight(array, iteratee) {\n\t    var length = array == null ? 0 : array.length;\n\t\n\t    while (length--) {\n\t      if (iteratee(array[length], length, array) === false) {\n\t        break;\n\t      }\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.every` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t   *  else `false`.\n\t   */\n\t  function arrayEvery(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (!predicate(array[index], index, array)) {\n\t        return false;\n\t      }\n\t    }\n\t    return true;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.filter` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {Array} Returns the new filtered array.\n\t   */\n\t  function arrayFilter(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length,\n\t        resIndex = 0,\n\t        result = [];\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      if (predicate(value, index, array)) {\n\t        result[resIndex++] = value;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.includes` for arrays without support for\n\t   * specifying an index to search from.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to inspect.\n\t   * @param {*} target The value to search for.\n\t   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n\t   */\n\t  function arrayIncludes(array, value) {\n\t    var length = array == null ? 0 : array.length;\n\t    return !!length && baseIndexOf(array, value, 0) > -1;\n\t  }\n\t\n\t  /**\n\t   * This function is like `arrayIncludes` except that it accepts a comparator.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to inspect.\n\t   * @param {*} target The value to search for.\n\t   * @param {Function} comparator The comparator invoked per element.\n\t   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n\t   */\n\t  function arrayIncludesWith(array, value, comparator) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (comparator(value, array[index])) {\n\t        return true;\n\t      }\n\t    }\n\t    return false;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.map` for arrays without support for iteratee\n\t   * shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns the new mapped array.\n\t   */\n\t  function arrayMap(array, iteratee) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length,\n\t        result = Array(length);\n\t\n\t    while (++index < length) {\n\t      result[index] = iteratee(array[index], index, array);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Appends the elements of `values` to `array`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to modify.\n\t   * @param {Array} values The values to append.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayPush(array, values) {\n\t    var index = -1,\n\t        length = values.length,\n\t        offset = array.length;\n\t\n\t    while (++index < length) {\n\t      array[offset + index] = values[index];\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.reduce` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} [accumulator] The initial value.\n\t   * @param {boolean} [initAccum] Specify using the first element of `array` as\n\t   *  the initial value.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function arrayReduce(array, iteratee, accumulator, initAccum) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    if (initAccum && length) {\n\t      accumulator = array[++index];\n\t    }\n\t    while (++index < length) {\n\t      accumulator = iteratee(accumulator, array[index], index, array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.reduceRight` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} [accumulator] The initial value.\n\t   * @param {boolean} [initAccum] Specify using the last element of `array` as\n\t   *  the initial value.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n\t    var length = array == null ? 0 : array.length;\n\t    if (initAccum && length) {\n\t      accumulator = array[--length];\n\t    }\n\t    while (length--) {\n\t      accumulator = iteratee(accumulator, array[length], length, array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.some` for arrays without support for iteratee\n\t   * shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t   *  else `false`.\n\t   */\n\t  function arraySome(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (predicate(array[index], index, array)) {\n\t        return true;\n\t      }\n\t    }\n\t    return false;\n\t  }\n\t\n\t  /**\n\t   * Gets the size of an ASCII `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  var asciiSize = baseProperty('length');\n\t\n\t  /**\n\t   * Converts an ASCII `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function asciiToArray(string) {\n\t    return string.split('');\n\t  }\n\t\n\t  /**\n\t   * Splits an ASCII `string` into an array of its words.\n\t   *\n\t   * @private\n\t   * @param {string} The string to inspect.\n\t   * @returns {Array} Returns the words of `string`.\n\t   */\n\t  function asciiWords(string) {\n\t    return string.match(reAsciiWord) || [];\n\t  }\n\t\n\t  /**\n\t   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n\t   * without support for iteratee shorthands, which iterates over `collection`\n\t   * using `eachFunc`.\n\t   *\n\t   * @private\n\t   * @param {Array|Object} collection The collection to inspect.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @param {Function} eachFunc The function to iterate over `collection`.\n\t   * @returns {*} Returns the found element or its key, else `undefined`.\n\t   */\n\t  function baseFindKey(collection, predicate, eachFunc) {\n\t    var result;\n\t    eachFunc(collection, function(value, key, collection) {\n\t      if (predicate(value, key, collection)) {\n\t        result = key;\n\t        return false;\n\t      }\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n\t   * support for iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @param {boolean} [fromRight] Specify iterating from right to left.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n\t    var length = array.length,\n\t        index = fromIndex + (fromRight ? 1 : -1);\n\t\n\t    while ((fromRight ? index-- : ++index < length)) {\n\t      if (predicate(array[index], index, array)) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseIndexOf(array, value, fromIndex) {\n\t    return value === value\n\t      ? strictIndexOf(array, value, fromIndex)\n\t      : baseFindIndex(array, baseIsNaN, fromIndex);\n\t  }\n\t\n\t  /**\n\t   * This function is like `baseIndexOf` except that it accepts a comparator.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @param {Function} comparator The comparator invoked per element.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseIndexOfWith(array, value, fromIndex, comparator) {\n\t    var index = fromIndex - 1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      if (comparator(array[index], value)) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.isNaN` without support for number objects.\n\t   *\n\t   * @private\n\t   * @param {*} value The value to check.\n\t   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t   */\n\t  function baseIsNaN(value) {\n\t    return value !== value;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.mean` and `_.meanBy` without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {number} Returns the mean.\n\t   */\n\t  function baseMean(array, iteratee) {\n\t    var length = array == null ? 0 : array.length;\n\t    return length ? (baseSum(array, iteratee) / length) : NAN;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.property` without support for deep paths.\n\t   *\n\t   * @private\n\t   * @param {string} key The key of the property to get.\n\t   * @returns {Function} Returns the new accessor function.\n\t   */\n\t  function baseProperty(key) {\n\t    return function(object) {\n\t      return object == null ? undefined : object[key];\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.propertyOf` without support for deep paths.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @returns {Function} Returns the new accessor function.\n\t   */\n\t  function basePropertyOf(object) {\n\t    return function(key) {\n\t      return object == null ? undefined : object[key];\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n\t   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n\t   *\n\t   * @private\n\t   * @param {Array|Object} collection The collection to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} accumulator The initial value.\n\t   * @param {boolean} initAccum Specify using the first or last element of\n\t   *  `collection` as the initial value.\n\t   * @param {Function} eachFunc The function to iterate over `collection`.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n\t    eachFunc(collection, function(value, index, collection) {\n\t      accumulator = initAccum\n\t        ? (initAccum = false, value)\n\t        : iteratee(accumulator, value, index, collection);\n\t    });\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.sortBy` which uses `comparer` to define the\n\t   * sort order of `array` and replaces criteria objects with their corresponding\n\t   * values.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to sort.\n\t   * @param {Function} comparer The function to define sort order.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function baseSortBy(array, comparer) {\n\t    var length = array.length;\n\t\n\t    array.sort(comparer);\n\t    while (length--) {\n\t      array[length] = array[length].value;\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.sum` and `_.sumBy` without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {number} Returns the sum.\n\t   */\n\t  function baseSum(array, iteratee) {\n\t    var result,\n\t        index = -1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      var current = iteratee(array[index]);\n\t      if (current !== undefined) {\n\t        result = result === undefined ? current : (result + current);\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.times` without support for iteratee shorthands\n\t   * or max array length checks.\n\t   *\n\t   * @private\n\t   * @param {number} n The number of times to invoke `iteratee`.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns the array of results.\n\t   */\n\t  function baseTimes(n, iteratee) {\n\t    var index = -1,\n\t        result = Array(n);\n\t\n\t    while (++index < n) {\n\t      result[index] = iteratee(index);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n\t   * of key-value pairs for `object` corresponding to the property names of `props`.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @param {Array} props The property names to get values for.\n\t   * @returns {Object} Returns the key-value pairs.\n\t   */\n\t  function baseToPairs(object, props) {\n\t    return arrayMap(props, function(key) {\n\t      return [key, object[key]];\n\t    });\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.unary` without support for storing metadata.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to cap arguments for.\n\t   * @returns {Function} Returns the new capped function.\n\t   */\n\t  function baseUnary(func) {\n\t    return function(value) {\n\t      return func(value);\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.values` and `_.valuesIn` which creates an\n\t   * array of `object` property values corresponding to the property names\n\t   * of `props`.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @param {Array} props The property names to get values for.\n\t   * @returns {Object} Returns the array of property values.\n\t   */\n\t  function baseValues(object, props) {\n\t    return arrayMap(props, function(key) {\n\t      return object[key];\n\t    });\n\t  }\n\t\n\t  /**\n\t   * Checks if a `cache` value for `key` exists.\n\t   *\n\t   * @private\n\t   * @param {Object} cache The cache to query.\n\t   * @param {string} key The key of the entry to check.\n\t   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t   */\n\t  function cacheHas(cache, key) {\n\t    return cache.has(key);\n\t  }\n\t\n\t  /**\n\t   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n\t   * that is not found in the character symbols.\n\t   *\n\t   * @private\n\t   * @param {Array} strSymbols The string symbols to inspect.\n\t   * @param {Array} chrSymbols The character symbols to find.\n\t   * @returns {number} Returns the index of the first unmatched string symbol.\n\t   */\n\t  function charsStartIndex(strSymbols, chrSymbols) {\n\t    var index = -1,\n\t        length = strSymbols.length;\n\t\n\t    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n\t   * that is not found in the character symbols.\n\t   *\n\t   * @private\n\t   * @param {Array} strSymbols The string symbols to inspect.\n\t   * @param {Array} chrSymbols The character symbols to find.\n\t   * @returns {number} Returns the index of the last unmatched string symbol.\n\t   */\n\t  function charsEndIndex(strSymbols, chrSymbols) {\n\t    var index = strSymbols.length;\n\t\n\t    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Gets the number of `placeholder` occurrences in `array`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} placeholder The placeholder to search for.\n\t   * @returns {number} Returns the placeholder count.\n\t   */\n\t  function countHolders(array, placeholder) {\n\t    var length = array.length,\n\t        result = 0;\n\t\n\t    while (length--) {\n\t      if (array[length] === placeholder) {\n\t        ++result;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n\t   * letters to basic Latin letters.\n\t   *\n\t   * @private\n\t   * @param {string} letter The matched letter to deburr.\n\t   * @returns {string} Returns the deburred letter.\n\t   */\n\t  var deburrLetter = basePropertyOf(deburredLetters);\n\t\n\t  /**\n\t   * Used by `_.escape` to convert characters to HTML entities.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to escape.\n\t   * @returns {string} Returns the escaped character.\n\t   */\n\t  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\t\n\t  /**\n\t   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to escape.\n\t   * @returns {string} Returns the escaped character.\n\t   */\n\t  function escapeStringChar(chr) {\n\t    return '\\\\' + stringEscapes[chr];\n\t  }\n\t\n\t  /**\n\t   * Gets the value at `key` of `object`.\n\t   *\n\t   * @private\n\t   * @param {Object} [object] The object to query.\n\t   * @param {string} key The key of the property to get.\n\t   * @returns {*} Returns the property value.\n\t   */\n\t  function getValue(object, key) {\n\t    return object == null ? undefined : object[key];\n\t  }\n\t\n\t  /**\n\t   * Checks if `string` contains Unicode symbols.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n\t   */\n\t  function hasUnicode(string) {\n\t    return reHasUnicode.test(string);\n\t  }\n\t\n\t  /**\n\t   * Checks if `string` contains a word composed of Unicode symbols.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {boolean} Returns `true` if a word is found, else `false`.\n\t   */\n\t  function hasUnicodeWord(string) {\n\t    return reHasUnicodeWord.test(string);\n\t  }\n\t\n\t  /**\n\t   * Converts `iterator` to an array.\n\t   *\n\t   * @private\n\t   * @param {Object} iterator The iterator to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function iteratorToArray(iterator) {\n\t    var data,\n\t        result = [];\n\t\n\t    while (!(data = iterator.next()).done) {\n\t      result.push(data.value);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `map` to its key-value pairs.\n\t   *\n\t   * @private\n\t   * @param {Object} map The map to convert.\n\t   * @returns {Array} Returns the key-value pairs.\n\t   */\n\t  function mapToArray(map) {\n\t    var index = -1,\n\t        result = Array(map.size);\n\t\n\t    map.forEach(function(value, key) {\n\t      result[++index] = [key, value];\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Creates a unary function that invokes `func` with its argument transformed.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to wrap.\n\t   * @param {Function} transform The argument transform.\n\t   * @returns {Function} Returns the new function.\n\t   */\n\t  function overArg(func, transform) {\n\t    return function(arg) {\n\t      return func(transform(arg));\n\t    };\n\t  }\n\t\n\t  /**\n\t   * Replaces all `placeholder` elements in `array` with an internal placeholder\n\t   * and returns an array of their indexes.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to modify.\n\t   * @param {*} placeholder The placeholder to replace.\n\t   * @returns {Array} Returns the new array of placeholder indexes.\n\t   */\n\t  function replaceHolders(array, placeholder) {\n\t    var index = -1,\n\t        length = array.length,\n\t        resIndex = 0,\n\t        result = [];\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      if (value === placeholder || value === PLACEHOLDER) {\n\t        array[index] = PLACEHOLDER;\n\t        result[resIndex++] = index;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `set` to an array of its values.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to convert.\n\t   * @returns {Array} Returns the values.\n\t   */\n\t  function setToArray(set) {\n\t    var index = -1,\n\t        result = Array(set.size);\n\t\n\t    set.forEach(function(value) {\n\t      result[++index] = value;\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `set` to its value-value pairs.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to convert.\n\t   * @returns {Array} Returns the value-value pairs.\n\t   */\n\t  function setToPairs(set) {\n\t    var index = -1,\n\t        result = Array(set.size);\n\t\n\t    set.forEach(function(value) {\n\t      result[++index] = [value, value];\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.indexOf` which performs strict equality\n\t   * comparisons of values, i.e. `===`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function strictIndexOf(array, value, fromIndex) {\n\t    var index = fromIndex - 1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      if (array[index] === value) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.lastIndexOf` which performs strict equality\n\t   * comparisons of values, i.e. `===`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function strictLastIndexOf(array, value, fromIndex) {\n\t    var index = fromIndex + 1;\n\t    while (index--) {\n\t      if (array[index] === value) {\n\t        return index;\n\t      }\n\t    }\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Gets the number of symbols in `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  function stringSize(string) {\n\t    return hasUnicode(string)\n\t      ? unicodeSize(string)\n\t      : asciiSize(string);\n\t  }\n\t\n\t  /**\n\t   * Converts `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function stringToArray(string) {\n\t    return hasUnicode(string)\n\t      ? unicodeToArray(string)\n\t      : asciiToArray(string);\n\t  }\n\t\n\t  /**\n\t   * Used by `_.unescape` to convert HTML entities to characters.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to unescape.\n\t   * @returns {string} Returns the unescaped character.\n\t   */\n\t  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\t\n\t  /**\n\t   * Gets the size of a Unicode `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  function unicodeSize(string) {\n\t    var result = reUnicode.lastIndex = 0;\n\t    while (reUnicode.test(string)) {\n\t      ++result;\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts a Unicode `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function unicodeToArray(string) {\n\t    return string.match(reUnicode) || [];\n\t  }\n\t\n\t  /**\n\t   * Splits a Unicode `string` into an array of its words.\n\t   *\n\t   * @private\n\t   * @param {string} The string to inspect.\n\t   * @returns {Array} Returns the words of `string`.\n\t   */\n\t  function unicodeWords(string) {\n\t    return string.match(reUnicodeWord) || [];\n\t  }\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  /**\n\t   * Create a new pristine `lodash` function using the `context` object.\n\t   *\n\t   * @static\n\t   * @memberOf _\n\t   * @since 1.1.0\n\t   * @category Util\n\t   * @param {Object} [context=root] The context object.\n\t   * @returns {Function} Returns a new `lodash` function.\n\t   * @example\n\t   *\n\t   * _.mixin({ 'foo': _.constant('foo') });\n\t   *\n\t   * var lodash = _.runInContext();\n\t   * lodash.mixin({ 'bar': lodash.constant('bar') });\n\t   *\n\t   * _.isFunction(_.foo);\n\t   * // => true\n\t   * _.isFunction(_.bar);\n\t   * // => false\n\t   *\n\t   * lodash.isFunction(lodash.foo);\n\t   * // => false\n\t   * lodash.isFunction(lodash.bar);\n\t   * // => true\n\t   *\n\t   * // Create a suped-up `defer` in Node.js.\n\t   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n\t   */\n\t  var runInContext = (function runInContext(context) {\n\t    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\t\n\t    /** Built-in constructor references. */\n\t    var Array = context.Array,\n\t        Date = context.Date,\n\t        Error = context.Error,\n\t        Function = context.Function,\n\t        Math = context.Math,\n\t        Object = context.Object,\n\t        RegExp = context.RegExp,\n\t        String = context.String,\n\t        TypeError = context.TypeError;\n\t\n\t    /** Used for built-in method references. */\n\t    var arrayProto = Array.prototype,\n\t        funcProto = Function.prototype,\n\t        objectProto = Object.prototype;\n\t\n\t    /** Used to detect overreaching core-js shims. */\n\t    var coreJsData = context['__core-js_shared__'];\n\t\n\t    /** Used to resolve the decompiled source of functions. */\n\t    var funcToString = funcProto.toString;\n\t\n\t    /** Used to check objects for own properties. */\n\t    var hasOwnProperty = objectProto.hasOwnProperty;\n\t\n\t    /** Used to generate unique IDs. */\n\t    var idCounter = 0;\n\t\n\t    /** Used to detect methods masquerading as native. */\n\t    var maskSrcKey = (function() {\n\t      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n\t      return uid ? ('Symbol(src)_1.' + uid) : '';\n\t    }());\n\t\n\t    /**\n\t     * Used to resolve the\n\t     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n\t     * of values.\n\t     */\n\t    var nativeObjectToString = objectProto.toString;\n\t\n\t    /** Used to infer the `Object` constructor. */\n\t    var objectCtorString = funcToString.call(Object);\n\t\n\t    /** Used to restore the original `_` reference in `_.noConflict`. */\n\t    var oldDash = root._;\n\t\n\t    /** Used to detect if a method is native. */\n\t    var reIsNative = RegExp('^' +\n\t      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n\t      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n\t    );\n\t\n\t    /** Built-in value references. */\n\t    var Buffer = moduleExports ? context.Buffer : undefined,\n\t        Symbol = context.Symbol,\n\t        Uint8Array = context.Uint8Array,\n\t        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n\t        getPrototype = overArg(Object.getPrototypeOf, Object),\n\t        objectCreate = Object.create,\n\t        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n\t        splice = arrayProto.splice,\n\t        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n\t        symIterator = Symbol ? Symbol.iterator : undefined,\n\t        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\t\n\t    var defineProperty = (function() {\n\t      try {\n\t        var func = getNative(Object, 'defineProperty');\n\t        func({}, '', {});\n\t        return func;\n\t      } catch (e) {}\n\t    }());\n\t\n\t    /** Mocked built-ins. */\n\t    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n\t        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n\t        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\t\n\t    /* Built-in method references for those with the same name as other `lodash` methods. */\n\t    var nativeCeil = Math.ceil,\n\t        nativeFloor = Math.floor,\n\t        nativeGetSymbols = Object.getOwnPropertySymbols,\n\t        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n\t        nativeIsFinite = context.isFinite,\n\t        nativeJoin = arrayProto.join,\n\t        nativeKeys = overArg(Object.keys, Object),\n\t        nativeMax = Math.max,\n\t        nativeMin = Math.min,\n\t        nativeNow = Date.now,\n\t        nativeParseInt = context.parseInt,\n\t        nativeRandom = Math.random,\n\t        nativeReverse = arrayProto.reverse;\n\t\n\t    /* Built-in method references that are verified to be native. */\n\t    var DataView = getNative(context, 'DataView'),\n\t        Map = getNative(context, 'Map'),\n\t        Promise = getNative(context, 'Promise'),\n\t        Set = getNative(context, 'Set'),\n\t        WeakMap = getNative(context, 'WeakMap'),\n\t        nativeCreate = getNative(Object, 'create');\n\t\n\t    /** Used to store function metadata. */\n\t    var metaMap = WeakMap && new WeakMap;\n\t\n\t    /** Used to lookup unminified function names. */\n\t    var realNames = {};\n\t\n\t    /** Used to detect maps, sets, and weakmaps. */\n\t    var dataViewCtorString = toSource(DataView),\n\t        mapCtorString = toSource(Map),\n\t        promiseCtorString = toSource(Promise),\n\t        setCtorString = toSource(Set),\n\t        weakMapCtorString = toSource(WeakMap);\n\t\n\t    /** Used to convert symbols to primitives and strings. */\n\t    var symbolProto = Symbol ? Symbol.prototype : undefined,\n\t        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n\t        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a `lodash` object which wraps `value` to enable implicit method\n\t     * chain sequences. Methods that operate on and return arrays, collections,\n\t     * and functions can be chained together. Methods that retrieve a single value\n\t     * or may return a primitive value will automatically end the chain sequence\n\t     * and return the unwrapped value. Otherwise, the value must be unwrapped\n\t     * with `_#value`.\n\t     *\n\t     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n\t     * enabled using `_.chain`.\n\t     *\n\t     * The execution of chained methods is lazy, that is, it's deferred until\n\t     * `_#value` is implicitly or explicitly called.\n\t     *\n\t     * Lazy evaluation allows several methods to support shortcut fusion.\n\t     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n\t     * the creation of intermediate arrays and can greatly reduce the number of\n\t     * iteratee executions. Sections of a chain sequence qualify for shortcut\n\t     * fusion if the section is applied to an array and iteratees accept only\n\t     * one argument. The heuristic for whether a section qualifies for shortcut\n\t     * fusion is subject to change.\n\t     *\n\t     * Chaining is supported in custom builds as long as the `_#value` method is\n\t     * directly or indirectly included in the build.\n\t     *\n\t     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n\t     *\n\t     * The wrapper `Array` methods are:\n\t     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n\t     *\n\t     * The wrapper `String` methods are:\n\t     * `replace` and `split`\n\t     *\n\t     * The wrapper methods that support shortcut fusion are:\n\t     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n\t     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n\t     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n\t     *\n\t     * The chainable wrapper methods are:\n\t     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n\t     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n\t     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n\t     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n\t     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n\t     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n\t     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n\t     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n\t     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n\t     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n\t     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n\t     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n\t     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n\t     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n\t     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n\t     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n\t     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n\t     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n\t     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n\t     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n\t     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n\t     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n\t     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n\t     * `zipObject`, `zipObjectDeep`, and `zipWith`\n\t     *\n\t     * The wrapper methods that are **not** chainable by default are:\n\t     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n\t     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n\t     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n\t     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n\t     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n\t     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n\t     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n\t     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n\t     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n\t     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n\t     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n\t     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n\t     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n\t     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n\t     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n\t     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n\t     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n\t     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n\t     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n\t     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n\t     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n\t     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n\t     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n\t     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n\t     * `upperFirst`, `value`, and `words`\n\t     *\n\t     * @name _\n\t     * @constructor\n\t     * @category Seq\n\t     * @param {*} value The value to wrap in a `lodash` instance.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var wrapped = _([1, 2, 3]);\n\t     *\n\t     * // Returns an unwrapped value.\n\t     * wrapped.reduce(_.add);\n\t     * // => 6\n\t     *\n\t     * // Returns a wrapped value.\n\t     * var squares = wrapped.map(square);\n\t     *\n\t     * _.isArray(squares);\n\t     * // => false\n\t     *\n\t     * _.isArray(squares.value());\n\t     * // => true\n\t     */\n\t    function lodash(value) {\n\t      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n\t        if (value instanceof LodashWrapper) {\n\t          return value;\n\t        }\n\t        if (hasOwnProperty.call(value, '__wrapped__')) {\n\t          return wrapperClone(value);\n\t        }\n\t      }\n\t      return new LodashWrapper(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.create` without support for assigning\n\t     * properties to the created object.\n\t     *\n\t     * @private\n\t     * @param {Object} proto The object to inherit from.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    var baseCreate = (function() {\n\t      function object() {}\n\t      return function(proto) {\n\t        if (!isObject(proto)) {\n\t          return {};\n\t        }\n\t        if (objectCreate) {\n\t          return objectCreate(proto);\n\t        }\n\t        object.prototype = proto;\n\t        var result = new object;\n\t        object.prototype = undefined;\n\t        return result;\n\t      };\n\t    }());\n\t\n\t    /**\n\t     * The function whose prototype chain sequence wrappers inherit from.\n\t     *\n\t     * @private\n\t     */\n\t    function baseLodash() {\n\t      // No operation performed.\n\t    }\n\t\n\t    /**\n\t     * The base constructor for creating `lodash` wrapper objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to wrap.\n\t     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n\t     */\n\t    function LodashWrapper(value, chainAll) {\n\t      this.__wrapped__ = value;\n\t      this.__actions__ = [];\n\t      this.__chain__ = !!chainAll;\n\t      this.__index__ = 0;\n\t      this.__values__ = undefined;\n\t    }\n\t\n\t    /**\n\t     * By default, the template delimiters used by lodash are like those in\n\t     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n\t     * following template settings to use alternative delimiters.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @type {Object}\n\t     */\n\t    lodash.templateSettings = {\n\t\n\t      /**\n\t       * Used to detect `data` property values to be HTML-escaped.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'escape': reEscape,\n\t\n\t      /**\n\t       * Used to detect code to be evaluated.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'evaluate': reEvaluate,\n\t\n\t      /**\n\t       * Used to detect `data` property values to inject.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'interpolate': reInterpolate,\n\t\n\t      /**\n\t       * Used to reference the data object in the template text.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {string}\n\t       */\n\t      'variable': '',\n\t\n\t      /**\n\t       * Used to import variables into the compiled template.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {Object}\n\t       */\n\t      'imports': {\n\t\n\t        /**\n\t         * A reference to the `lodash` function.\n\t         *\n\t         * @memberOf _.templateSettings.imports\n\t         * @type {Function}\n\t         */\n\t        '_': lodash\n\t      }\n\t    };\n\t\n\t    // Ensure wrappers are instances of `baseLodash`.\n\t    lodash.prototype = baseLodash.prototype;\n\t    lodash.prototype.constructor = lodash;\n\t\n\t    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n\t    LodashWrapper.prototype.constructor = LodashWrapper;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {*} value The value to wrap.\n\t     */\n\t    function LazyWrapper(value) {\n\t      this.__wrapped__ = value;\n\t      this.__actions__ = [];\n\t      this.__dir__ = 1;\n\t      this.__filtered__ = false;\n\t      this.__iteratees__ = [];\n\t      this.__takeCount__ = MAX_ARRAY_LENGTH;\n\t      this.__views__ = [];\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the lazy wrapper object.\n\t     *\n\t     * @private\n\t     * @name clone\n\t     * @memberOf LazyWrapper\n\t     * @returns {Object} Returns the cloned `LazyWrapper` object.\n\t     */\n\t    function lazyClone() {\n\t      var result = new LazyWrapper(this.__wrapped__);\n\t      result.__actions__ = copyArray(this.__actions__);\n\t      result.__dir__ = this.__dir__;\n\t      result.__filtered__ = this.__filtered__;\n\t      result.__iteratees__ = copyArray(this.__iteratees__);\n\t      result.__takeCount__ = this.__takeCount__;\n\t      result.__views__ = copyArray(this.__views__);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Reverses the direction of lazy iteration.\n\t     *\n\t     * @private\n\t     * @name reverse\n\t     * @memberOf LazyWrapper\n\t     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n\t     */\n\t    function lazyReverse() {\n\t      if (this.__filtered__) {\n\t        var result = new LazyWrapper(this);\n\t        result.__dir__ = -1;\n\t        result.__filtered__ = true;\n\t      } else {\n\t        result = this.clone();\n\t        result.__dir__ *= -1;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Extracts the unwrapped value from its lazy wrapper.\n\t     *\n\t     * @private\n\t     * @name value\n\t     * @memberOf LazyWrapper\n\t     * @returns {*} Returns the unwrapped value.\n\t     */\n\t    function lazyValue() {\n\t      var array = this.__wrapped__.value(),\n\t          dir = this.__dir__,\n\t          isArr = isArray(array),\n\t          isRight = dir < 0,\n\t          arrLength = isArr ? array.length : 0,\n\t          view = getView(0, arrLength, this.__views__),\n\t          start = view.start,\n\t          end = view.end,\n\t          length = end - start,\n\t          index = isRight ? end : (start - 1),\n\t          iteratees = this.__iteratees__,\n\t          iterLength = iteratees.length,\n\t          resIndex = 0,\n\t          takeCount = nativeMin(length, this.__takeCount__);\n\t\n\t      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n\t        return baseWrapperValue(array, this.__actions__);\n\t      }\n\t      var result = [];\n\t\n\t      outer:\n\t      while (length-- && resIndex < takeCount) {\n\t        index += dir;\n\t\n\t        var iterIndex = -1,\n\t            value = array[index];\n\t\n\t        while (++iterIndex < iterLength) {\n\t          var data = iteratees[iterIndex],\n\t              iteratee = data.iteratee,\n\t              type = data.type,\n\t              computed = iteratee(value);\n\t\n\t          if (type == LAZY_MAP_FLAG) {\n\t            value = computed;\n\t          } else if (!computed) {\n\t            if (type == LAZY_FILTER_FLAG) {\n\t              continue outer;\n\t            } else {\n\t              break outer;\n\t            }\n\t          }\n\t        }\n\t        result[resIndex++] = value;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n\t    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n\t    LazyWrapper.prototype.constructor = LazyWrapper;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a hash object.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function Hash(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the hash.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf Hash\n\t     */\n\t    function hashClear() {\n\t      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the hash.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf Hash\n\t     * @param {Object} hash The hash to modify.\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function hashDelete(key) {\n\t      var result = this.has(key) && delete this.__data__[key];\n\t      this.size -= result ? 1 : 0;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the hash value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function hashGet(key) {\n\t      var data = this.__data__;\n\t      if (nativeCreate) {\n\t        var result = data[key];\n\t        return result === HASH_UNDEFINED ? undefined : result;\n\t      }\n\t      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n\t    }\n\t\n\t    /**\n\t     * Checks if a hash value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function hashHas(key) {\n\t      var data = this.__data__;\n\t      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n\t    }\n\t\n\t    /**\n\t     * Sets the hash `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the hash instance.\n\t     */\n\t    function hashSet(key, value) {\n\t      var data = this.__data__;\n\t      this.size += this.has(key) ? 0 : 1;\n\t      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `Hash`.\n\t    Hash.prototype.clear = hashClear;\n\t    Hash.prototype['delete'] = hashDelete;\n\t    Hash.prototype.get = hashGet;\n\t    Hash.prototype.has = hashHas;\n\t    Hash.prototype.set = hashSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an list cache object.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function ListCache(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the list cache.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf ListCache\n\t     */\n\t    function listCacheClear() {\n\t      this.__data__ = [];\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the list cache.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function listCacheDelete(key) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      if (index < 0) {\n\t        return false;\n\t      }\n\t      var lastIndex = data.length - 1;\n\t      if (index == lastIndex) {\n\t        data.pop();\n\t      } else {\n\t        splice.call(data, index, 1);\n\t      }\n\t      --this.size;\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Gets the list cache value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function listCacheGet(key) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      return index < 0 ? undefined : data[index][1];\n\t    }\n\t\n\t    /**\n\t     * Checks if a list cache value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function listCacheHas(key) {\n\t      return assocIndexOf(this.__data__, key) > -1;\n\t    }\n\t\n\t    /**\n\t     * Sets the list cache `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the list cache instance.\n\t     */\n\t    function listCacheSet(key, value) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      if (index < 0) {\n\t        ++this.size;\n\t        data.push([key, value]);\n\t      } else {\n\t        data[index][1] = value;\n\t      }\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `ListCache`.\n\t    ListCache.prototype.clear = listCacheClear;\n\t    ListCache.prototype['delete'] = listCacheDelete;\n\t    ListCache.prototype.get = listCacheGet;\n\t    ListCache.prototype.has = listCacheHas;\n\t    ListCache.prototype.set = listCacheSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a map cache object to store key-value pairs.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function MapCache(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the map.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf MapCache\n\t     */\n\t    function mapCacheClear() {\n\t      this.size = 0;\n\t      this.__data__ = {\n\t        'hash': new Hash,\n\t        'map': new (Map || ListCache),\n\t        'string': new Hash\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the map.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function mapCacheDelete(key) {\n\t      var result = getMapData(this, key)['delete'](key);\n\t      this.size -= result ? 1 : 0;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the map value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function mapCacheGet(key) {\n\t      return getMapData(this, key).get(key);\n\t    }\n\t\n\t    /**\n\t     * Checks if a map value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function mapCacheHas(key) {\n\t      return getMapData(this, key).has(key);\n\t    }\n\t\n\t    /**\n\t     * Sets the map `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the map cache instance.\n\t     */\n\t    function mapCacheSet(key, value) {\n\t      var data = getMapData(this, key),\n\t          size = data.size;\n\t\n\t      data.set(key, value);\n\t      this.size += data.size == size ? 0 : 1;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `MapCache`.\n\t    MapCache.prototype.clear = mapCacheClear;\n\t    MapCache.prototype['delete'] = mapCacheDelete;\n\t    MapCache.prototype.get = mapCacheGet;\n\t    MapCache.prototype.has = mapCacheHas;\n\t    MapCache.prototype.set = mapCacheSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     *\n\t     * Creates an array cache object to store unique values.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [values] The values to cache.\n\t     */\n\t    function SetCache(values) {\n\t      var index = -1,\n\t          length = values == null ? 0 : values.length;\n\t\n\t      this.__data__ = new MapCache;\n\t      while (++index < length) {\n\t        this.add(values[index]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Adds `value` to the array cache.\n\t     *\n\t     * @private\n\t     * @name add\n\t     * @memberOf SetCache\n\t     * @alias push\n\t     * @param {*} value The value to cache.\n\t     * @returns {Object} Returns the cache instance.\n\t     */\n\t    function setCacheAdd(value) {\n\t      this.__data__.set(value, HASH_UNDEFINED);\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is in the array cache.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf SetCache\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns `true` if `value` is found, else `false`.\n\t     */\n\t    function setCacheHas(value) {\n\t      return this.__data__.has(value);\n\t    }\n\t\n\t    // Add methods to `SetCache`.\n\t    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n\t    SetCache.prototype.has = setCacheHas;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a stack cache object to store key-value pairs.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function Stack(entries) {\n\t      var data = this.__data__ = new ListCache(entries);\n\t      this.size = data.size;\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the stack.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf Stack\n\t     */\n\t    function stackClear() {\n\t      this.__data__ = new ListCache;\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the stack.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function stackDelete(key) {\n\t      var data = this.__data__,\n\t          result = data['delete'](key);\n\t\n\t      this.size = data.size;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the stack value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function stackGet(key) {\n\t      return this.__data__.get(key);\n\t    }\n\t\n\t    /**\n\t     * Checks if a stack value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function stackHas(key) {\n\t      return this.__data__.has(key);\n\t    }\n\t\n\t    /**\n\t     * Sets the stack `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the stack cache instance.\n\t     */\n\t    function stackSet(key, value) {\n\t      var data = this.__data__;\n\t      if (data instanceof ListCache) {\n\t        var pairs = data.__data__;\n\t        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n\t          pairs.push([key, value]);\n\t          this.size = ++data.size;\n\t          return this;\n\t        }\n\t        data = this.__data__ = new MapCache(pairs);\n\t      }\n\t      data.set(key, value);\n\t      this.size = data.size;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `Stack`.\n\t    Stack.prototype.clear = stackClear;\n\t    Stack.prototype['delete'] = stackDelete;\n\t    Stack.prototype.get = stackGet;\n\t    Stack.prototype.has = stackHas;\n\t    Stack.prototype.set = stackSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an array of the enumerable property names of the array-like `value`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @param {boolean} inherited Specify returning inherited property names.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function arrayLikeKeys(value, inherited) {\n\t      var isArr = isArray(value),\n\t          isArg = !isArr && isArguments(value),\n\t          isBuff = !isArr && !isArg && isBuffer(value),\n\t          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n\t          skipIndexes = isArr || isArg || isBuff || isType,\n\t          result = skipIndexes ? baseTimes(value.length, String) : [],\n\t          length = result.length;\n\t\n\t      for (var key in value) {\n\t        if ((inherited || hasOwnProperty.call(value, key)) &&\n\t            !(skipIndexes && (\n\t               // Safari 9 has enumerable `arguments.length` in strict mode.\n\t               key == 'length' ||\n\t               // Node.js 0.10 has enumerable non-index properties on buffers.\n\t               (isBuff && (key == 'offset' || key == 'parent')) ||\n\t               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n\t               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n\t               // Skip index properties.\n\t               isIndex(key, length)\n\t            ))) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.sample` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to sample.\n\t     * @returns {*} Returns the random element.\n\t     */\n\t    function arraySample(array) {\n\t      var length = array.length;\n\t      return length ? array[baseRandom(0, length - 1)] : undefined;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.sampleSize` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to sample.\n\t     * @param {number} n The number of elements to sample.\n\t     * @returns {Array} Returns the random elements.\n\t     */\n\t    function arraySampleSize(array, n) {\n\t      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.shuffle` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     */\n\t    function arrayShuffle(array) {\n\t      return shuffleSelf(copyArray(array));\n\t    }\n\t\n\t    /**\n\t     * This function is like `assignValue` except that it doesn't assign\n\t     * `undefined` values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function assignMergeValue(object, key, value) {\n\t      if ((value !== undefined && !eq(object[key], value)) ||\n\t          (value === undefined && !(key in object))) {\n\t        baseAssignValue(object, key, value);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function assignValue(object, key, value) {\n\t      var objValue = object[key];\n\t      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n\t          (value === undefined && !(key in object))) {\n\t        baseAssignValue(object, key, value);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Gets the index at which the `key` is found in `array` of key-value pairs.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} key The key to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     */\n\t    function assocIndexOf(array, key) {\n\t      var length = array.length;\n\t      while (length--) {\n\t        if (eq(array[length][0], key)) {\n\t          return length;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * Aggregates elements of `collection` on `accumulator` with keys transformed\n\t     * by `iteratee` and values set by `setter`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} setter The function to set `accumulator` values.\n\t     * @param {Function} iteratee The iteratee to transform keys.\n\t     * @param {Object} accumulator The initial aggregated object.\n\t     * @returns {Function} Returns `accumulator`.\n\t     */\n\t    function baseAggregator(collection, setter, iteratee, accumulator) {\n\t      baseEach(collection, function(value, key, collection) {\n\t        setter(accumulator, value, iteratee(value), collection);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.assign` without support for multiple sources\n\t     * or `customizer` functions.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseAssign(object, source) {\n\t      return object && copyObject(source, keys(source), object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.assignIn` without support for multiple sources\n\t     * or `customizer` functions.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseAssignIn(object, source) {\n\t      return object && copyObject(source, keysIn(source), object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `assignValue` and `assignMergeValue` without\n\t     * value checks.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function baseAssignValue(object, key, value) {\n\t      if (key == '__proto__' && defineProperty) {\n\t        defineProperty(object, key, {\n\t          'configurable': true,\n\t          'enumerable': true,\n\t          'value': value,\n\t          'writable': true\n\t        });\n\t      } else {\n\t        object[key] = value;\n\t      }\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.at` without support for individual paths.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @returns {Array} Returns the picked elements.\n\t     */\n\t    function baseAt(object, paths) {\n\t      var index = -1,\n\t          length = paths.length,\n\t          result = Array(length),\n\t          skip = object == null;\n\t\n\t      while (++index < length) {\n\t        result[index] = skip ? undefined : get(object, paths[index]);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.clamp` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} number The number to clamp.\n\t     * @param {number} [lower] The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the clamped number.\n\t     */\n\t    function baseClamp(number, lower, upper) {\n\t      if (number === number) {\n\t        if (upper !== undefined) {\n\t          number = number <= upper ? number : upper;\n\t        }\n\t        if (lower !== undefined) {\n\t          number = number >= lower ? number : lower;\n\t        }\n\t      }\n\t      return number;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n\t     * traversed objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to clone.\n\t     * @param {boolean} bitmask The bitmask flags.\n\t     *  1 - Deep clone\n\t     *  2 - Flatten inherited properties\n\t     *  4 - Clone symbols\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @param {string} [key] The key of `value`.\n\t     * @param {Object} [object] The parent object of `value`.\n\t     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n\t     * @returns {*} Returns the cloned value.\n\t     */\n\t    function baseClone(value, bitmask, customizer, key, object, stack) {\n\t      var result,\n\t          isDeep = bitmask & CLONE_DEEP_FLAG,\n\t          isFlat = bitmask & CLONE_FLAT_FLAG,\n\t          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\t\n\t      if (customizer) {\n\t        result = object ? customizer(value, key, object, stack) : customizer(value);\n\t      }\n\t      if (result !== undefined) {\n\t        return result;\n\t      }\n\t      if (!isObject(value)) {\n\t        return value;\n\t      }\n\t      var isArr = isArray(value);\n\t      if (isArr) {\n\t        result = initCloneArray(value);\n\t        if (!isDeep) {\n\t          return copyArray(value, result);\n\t        }\n\t      } else {\n\t        var tag = getTag(value),\n\t            isFunc = tag == funcTag || tag == genTag;\n\t\n\t        if (isBuffer(value)) {\n\t          return cloneBuffer(value, isDeep);\n\t        }\n\t        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n\t          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n\t          if (!isDeep) {\n\t            return isFlat\n\t              ? copySymbolsIn(value, baseAssignIn(result, value))\n\t              : copySymbols(value, baseAssign(result, value));\n\t          }\n\t        } else {\n\t          if (!cloneableTags[tag]) {\n\t            return object ? value : {};\n\t          }\n\t          result = initCloneByTag(value, tag, baseClone, isDeep);\n\t        }\n\t      }\n\t      // Check for circular references and return its corresponding clone.\n\t      stack || (stack = new Stack);\n\t      var stacked = stack.get(value);\n\t      if (stacked) {\n\t        return stacked;\n\t      }\n\t      stack.set(value, result);\n\t\n\t      var keysFunc = isFull\n\t        ? (isFlat ? getAllKeysIn : getAllKeys)\n\t        : (isFlat ? keysIn : keys);\n\t\n\t      var props = isArr ? undefined : keysFunc(value);\n\t      arrayEach(props || value, function(subValue, key) {\n\t        if (props) {\n\t          key = subValue;\n\t          subValue = value[key];\n\t        }\n\t        // Recursively populate clone (susceptible to call stack limits).\n\t        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.conforms` which doesn't clone `source`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseConforms(source) {\n\t      var props = keys(source);\n\t      return function(object) {\n\t        return baseConformsTo(object, source, props);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.conformsTo` which accepts `props` to check.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n\t     */\n\t    function baseConformsTo(object, source, props) {\n\t      var length = props.length;\n\t      if (object == null) {\n\t        return !length;\n\t      }\n\t      object = Object(object);\n\t      while (length--) {\n\t        var key = props[length],\n\t            predicate = source[key],\n\t            value = object[key];\n\t\n\t        if ((value === undefined && !(key in object)) || !predicate(value)) {\n\t          return false;\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n\t     * to provide to `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @param {Array} args The arguments to provide to `func`.\n\t     * @returns {number|Object} Returns the timer id or timeout object.\n\t     */\n\t    function baseDelay(func, wait, args) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      return setTimeout(function() { func.apply(undefined, args); }, wait);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.difference` without support\n\t     * for excluding multiple arrays or iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Array} values The values to exclude.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     */\n\t    function baseDifference(array, values, iteratee, comparator) {\n\t      var index = -1,\n\t          includes = arrayIncludes,\n\t          isCommon = true,\n\t          length = array.length,\n\t          result = [],\n\t          valuesLength = values.length;\n\t\n\t      if (!length) {\n\t        return result;\n\t      }\n\t      if (iteratee) {\n\t        values = arrayMap(values, baseUnary(iteratee));\n\t      }\n\t      if (comparator) {\n\t        includes = arrayIncludesWith;\n\t        isCommon = false;\n\t      }\n\t      else if (values.length >= LARGE_ARRAY_SIZE) {\n\t        includes = cacheHas;\n\t        isCommon = false;\n\t        values = new SetCache(values);\n\t      }\n\t      outer:\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee == null ? value : iteratee(value);\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (isCommon && computed === computed) {\n\t          var valuesIndex = valuesLength;\n\t          while (valuesIndex--) {\n\t            if (values[valuesIndex] === computed) {\n\t              continue outer;\n\t            }\n\t          }\n\t          result.push(value);\n\t        }\n\t        else if (!includes(values, computed, comparator)) {\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.forEach` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     */\n\t    var baseEach = createBaseEach(baseForOwn);\n\t\n\t    /**\n\t     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     */\n\t    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\t\n\t    /**\n\t     * The base implementation of `_.every` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t     *  else `false`\n\t     */\n\t    function baseEvery(collection, predicate) {\n\t      var result = true;\n\t      baseEach(collection, function(value, index, collection) {\n\t        result = !!predicate(value, index, collection);\n\t        return result;\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.max` and `_.min` which accepts a\n\t     * `comparator` to determine the extremum value.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} iteratee The iteratee invoked per iteration.\n\t     * @param {Function} comparator The comparator used to compare values.\n\t     * @returns {*} Returns the extremum value.\n\t     */\n\t    function baseExtremum(array, iteratee, comparator) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            current = iteratee(value);\n\t\n\t        if (current != null && (computed === undefined\n\t              ? (current === current && !isSymbol(current))\n\t              : comparator(current, computed)\n\t            )) {\n\t          var computed = current,\n\t              result = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.fill` without an iteratee call guard.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to fill.\n\t     * @param {*} value The value to fill `array` with.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function baseFill(array, value, start, end) {\n\t      var length = array.length;\n\t\n\t      start = toInteger(start);\n\t      if (start < 0) {\n\t        start = -start > length ? 0 : (length + start);\n\t      }\n\t      end = (end === undefined || end > length) ? length : toInteger(end);\n\t      if (end < 0) {\n\t        end += length;\n\t      }\n\t      end = start > end ? 0 : toLength(end);\n\t      while (start < end) {\n\t        array[start++] = value;\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.filter` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     */\n\t    function baseFilter(collection, predicate) {\n\t      var result = [];\n\t      baseEach(collection, function(value, index, collection) {\n\t        if (predicate(value, index, collection)) {\n\t          result.push(value);\n\t        }\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.flatten` with support for restricting flattening.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to flatten.\n\t     * @param {number} depth The maximum recursion depth.\n\t     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n\t     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n\t     * @param {Array} [result=[]] The initial result value.\n\t     * @returns {Array} Returns the new flattened array.\n\t     */\n\t    function baseFlatten(array, depth, predicate, isStrict, result) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      predicate || (predicate = isFlattenable);\n\t      result || (result = []);\n\t\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (depth > 0 && predicate(value)) {\n\t          if (depth > 1) {\n\t            // Recursively flatten arrays (susceptible to call stack limits).\n\t            baseFlatten(value, depth - 1, predicate, isStrict, result);\n\t          } else {\n\t            arrayPush(result, value);\n\t          }\n\t        } else if (!isStrict) {\n\t          result[result.length] = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `baseForOwn` which iterates over `object`\n\t     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    var baseFor = createBaseFor();\n\t\n\t    /**\n\t     * This function is like `baseFor` except that it iterates over properties\n\t     * in the opposite order.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    var baseForRight = createBaseFor(true);\n\t\n\t    /**\n\t     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseForOwn(object, iteratee) {\n\t      return object && baseFor(object, iteratee, keys);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseForOwnRight(object, iteratee) {\n\t      return object && baseForRight(object, iteratee, keys);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.functions` which creates an array of\n\t     * `object` function property names filtered from `props`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Array} props The property names to filter.\n\t     * @returns {Array} Returns the function names.\n\t     */\n\t    function baseFunctions(object, props) {\n\t      return arrayFilter(props, function(key) {\n\t        return isFunction(object[key]);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.get` without support for default values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {*} Returns the resolved value.\n\t     */\n\t    function baseGet(object, path) {\n\t      path = castPath(path, object);\n\t\n\t      var index = 0,\n\t          length = path.length;\n\t\n\t      while (object != null && index < length) {\n\t        object = object[toKey(path[index++])];\n\t      }\n\t      return (index && index == length) ? object : undefined;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n\t     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n\t     * symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n\t      var result = keysFunc(object);\n\t      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `getTag` without fallbacks for buggy environments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the `toStringTag`.\n\t     */\n\t    function baseGetTag(value) {\n\t      if (value == null) {\n\t        return value === undefined ? undefinedTag : nullTag;\n\t      }\n\t      return (symToStringTag && symToStringTag in Object(value))\n\t        ? getRawTag(value)\n\t        : objectToString(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.gt` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t     *  else `false`.\n\t     */\n\t    function baseGt(value, other) {\n\t      return value > other;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.has` without support for deep paths.\n\t     *\n\t     * @private\n\t     * @param {Object} [object] The object to query.\n\t     * @param {Array|string} key The key to check.\n\t     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n\t     */\n\t    function baseHas(object, key) {\n\t      return object != null && hasOwnProperty.call(object, key);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.hasIn` without support for deep paths.\n\t     *\n\t     * @private\n\t     * @param {Object} [object] The object to query.\n\t     * @param {Array|string} key The key to check.\n\t     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n\t     */\n\t    function baseHasIn(object, key) {\n\t      return object != null && key in Object(object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.inRange` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} number The number to check.\n\t     * @param {number} start The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t     */\n\t    function baseInRange(number, start, end) {\n\t      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.intersection`, without support\n\t     * for iteratee shorthands, that accepts an array of arrays to inspect.\n\t     *\n\t     * @private\n\t     * @param {Array} arrays The arrays to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of shared values.\n\t     */\n\t    function baseIntersection(arrays, iteratee, comparator) {\n\t      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n\t          length = arrays[0].length,\n\t          othLength = arrays.length,\n\t          othIndex = othLength,\n\t          caches = Array(othLength),\n\t          maxLength = Infinity,\n\t          result = [];\n\t\n\t      while (othIndex--) {\n\t        var array = arrays[othIndex];\n\t        if (othIndex && iteratee) {\n\t          array = arrayMap(array, baseUnary(iteratee));\n\t        }\n\t        maxLength = nativeMin(array.length, maxLength);\n\t        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n\t          ? new SetCache(othIndex && array)\n\t          : undefined;\n\t      }\n\t      array = arrays[0];\n\t\n\t      var index = -1,\n\t          seen = caches[0];\n\t\n\t      outer:\n\t      while (++index < length && result.length < maxLength) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (!(seen\n\t              ? cacheHas(seen, computed)\n\t              : includes(result, computed, comparator)\n\t            )) {\n\t          othIndex = othLength;\n\t          while (--othIndex) {\n\t            var cache = caches[othIndex];\n\t            if (!(cache\n\t                  ? cacheHas(cache, computed)\n\t                  : includes(arrays[othIndex], computed, comparator))\n\t                ) {\n\t              continue outer;\n\t            }\n\t          }\n\t          if (seen) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.invert` and `_.invertBy` which inverts\n\t     * `object` with values transformed by `iteratee` and set by `setter`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} setter The function to set `accumulator` values.\n\t     * @param {Function} iteratee The iteratee to transform values.\n\t     * @param {Object} accumulator The initial inverted object.\n\t     * @returns {Function} Returns `accumulator`.\n\t     */\n\t    function baseInverter(object, setter, iteratee, accumulator) {\n\t      baseForOwn(object, function(value, key, object) {\n\t        setter(accumulator, iteratee(value), key, object);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.invoke` without support for individual\n\t     * method arguments.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {Array} args The arguments to invoke the method with.\n\t     * @returns {*} Returns the result of the invoked method.\n\t     */\n\t    function baseInvoke(object, path, args) {\n\t      path = castPath(path, object);\n\t      object = parent(object, path);\n\t      var func = object == null ? object : object[toKey(last(path))];\n\t      return func == null ? undefined : apply(func, object, args);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isArguments`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n\t     */\n\t    function baseIsArguments(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == argsTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n\t     */\n\t    function baseIsArrayBuffer(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isDate` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n\t     */\n\t    function baseIsDate(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == dateTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isEqual` which supports partial comparisons\n\t     * and tracks traversed objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @param {boolean} bitmask The bitmask flags.\n\t     *  1 - Unordered comparison\n\t     *  2 - Partial comparison\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     */\n\t    function baseIsEqual(value, other, bitmask, customizer, stack) {\n\t      if (value === other) {\n\t        return true;\n\t      }\n\t      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n\t        return value !== value && other !== other;\n\t      }\n\t      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqual` for arrays and objects which performs\n\t     * deep comparisons and tracks traversed objects enabling objects with circular\n\t     * references to be compared.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n\t      var objIsArr = isArray(object),\n\t          othIsArr = isArray(other),\n\t          objTag = objIsArr ? arrayTag : getTag(object),\n\t          othTag = othIsArr ? arrayTag : getTag(other);\n\t\n\t      objTag = objTag == argsTag ? objectTag : objTag;\n\t      othTag = othTag == argsTag ? objectTag : othTag;\n\t\n\t      var objIsObj = objTag == objectTag,\n\t          othIsObj = othTag == objectTag,\n\t          isSameTag = objTag == othTag;\n\t\n\t      if (isSameTag && isBuffer(object)) {\n\t        if (!isBuffer(other)) {\n\t          return false;\n\t        }\n\t        objIsArr = true;\n\t        objIsObj = false;\n\t      }\n\t      if (isSameTag && !objIsObj) {\n\t        stack || (stack = new Stack);\n\t        return (objIsArr || isTypedArray(object))\n\t          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n\t          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n\t      }\n\t      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n\t        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n\t            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\t\n\t        if (objIsWrapped || othIsWrapped) {\n\t          var objUnwrapped = objIsWrapped ? object.value() : object,\n\t              othUnwrapped = othIsWrapped ? other.value() : other;\n\t\n\t          stack || (stack = new Stack);\n\t          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n\t        }\n\t      }\n\t      if (!isSameTag) {\n\t        return false;\n\t      }\n\t      stack || (stack = new Stack);\n\t      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isMap` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n\t     */\n\t    function baseIsMap(value) {\n\t      return isObjectLike(value) && getTag(value) == mapTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @param {Array} matchData The property names, values, and compare flags to match.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     */\n\t    function baseIsMatch(object, source, matchData, customizer) {\n\t      var index = matchData.length,\n\t          length = index,\n\t          noCustomizer = !customizer;\n\t\n\t      if (object == null) {\n\t        return !length;\n\t      }\n\t      object = Object(object);\n\t      while (index--) {\n\t        var data = matchData[index];\n\t        if ((noCustomizer && data[2])\n\t              ? data[1] !== object[data[0]]\n\t              : !(data[0] in object)\n\t            ) {\n\t          return false;\n\t        }\n\t      }\n\t      while (++index < length) {\n\t        data = matchData[index];\n\t        var key = data[0],\n\t            objValue = object[key],\n\t            srcValue = data[1];\n\t\n\t        if (noCustomizer && data[2]) {\n\t          if (objValue === undefined && !(key in object)) {\n\t            return false;\n\t          }\n\t        } else {\n\t          var stack = new Stack;\n\t          if (customizer) {\n\t            var result = customizer(objValue, srcValue, key, object, source, stack);\n\t          }\n\t          if (!(result === undefined\n\t                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n\t                : result\n\t              )) {\n\t            return false;\n\t          }\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isNative` without bad shim checks.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a native function,\n\t     *  else `false`.\n\t     */\n\t    function baseIsNative(value) {\n\t      if (!isObject(value) || isMasked(value)) {\n\t        return false;\n\t      }\n\t      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n\t      return pattern.test(toSource(value));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isRegExp` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n\t     */\n\t    function baseIsRegExp(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isSet` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n\t     */\n\t    function baseIsSet(value) {\n\t      return isObjectLike(value) && getTag(value) == setTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n\t     */\n\t    function baseIsTypedArray(value) {\n\t      return isObjectLike(value) &&\n\t        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.iteratee`.\n\t     *\n\t     * @private\n\t     * @param {*} [value=_.identity] The value to convert to an iteratee.\n\t     * @returns {Function} Returns the iteratee.\n\t     */\n\t    function baseIteratee(value) {\n\t      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n\t      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n\t      if (typeof value == 'function') {\n\t        return value;\n\t      }\n\t      if (value == null) {\n\t        return identity;\n\t      }\n\t      if (typeof value == 'object') {\n\t        return isArray(value)\n\t          ? baseMatchesProperty(value[0], value[1])\n\t          : baseMatches(value);\n\t      }\n\t      return property(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function baseKeys(object) {\n\t      if (!isPrototype(object)) {\n\t        return nativeKeys(object);\n\t      }\n\t      var result = [];\n\t      for (var key in Object(object)) {\n\t        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function baseKeysIn(object) {\n\t      if (!isObject(object)) {\n\t        return nativeKeysIn(object);\n\t      }\n\t      var isProto = isPrototype(object),\n\t          result = [];\n\t\n\t      for (var key in object) {\n\t        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.lt` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t     *  else `false`.\n\t     */\n\t    function baseLt(value, other) {\n\t      return value < other;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.map` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array} Returns the new mapped array.\n\t     */\n\t    function baseMap(collection, iteratee) {\n\t      var index = -1,\n\t          result = isArrayLike(collection) ? Array(collection.length) : [];\n\t\n\t      baseEach(collection, function(value, key, collection) {\n\t        result[++index] = iteratee(value, key, collection);\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.matches` which doesn't clone `source`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseMatches(source) {\n\t      var matchData = getMatchData(source);\n\t      if (matchData.length == 1 && matchData[0][2]) {\n\t        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n\t      }\n\t      return function(object) {\n\t        return object === source || baseIsMatch(object, source, matchData);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n\t     *\n\t     * @private\n\t     * @param {string} path The path of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseMatchesProperty(path, srcValue) {\n\t      if (isKey(path) && isStrictComparable(srcValue)) {\n\t        return matchesStrictComparable(toKey(path), srcValue);\n\t      }\n\t      return function(object) {\n\t        var objValue = get(object, path);\n\t        return (objValue === undefined && objValue === srcValue)\n\t          ? hasIn(object, path)\n\t          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.merge` without support for multiple sources.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @param {number} srcIndex The index of `source`.\n\t     * @param {Function} [customizer] The function to customize merged values.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     */\n\t    function baseMerge(object, source, srcIndex, customizer, stack) {\n\t      if (object === source) {\n\t        return;\n\t      }\n\t      baseFor(source, function(srcValue, key) {\n\t        if (isObject(srcValue)) {\n\t          stack || (stack = new Stack);\n\t          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n\t        }\n\t        else {\n\t          var newValue = customizer\n\t            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n\t            : undefined;\n\t\n\t          if (newValue === undefined) {\n\t            newValue = srcValue;\n\t          }\n\t          assignMergeValue(object, key, newValue);\n\t        }\n\t      }, keysIn);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseMerge` for arrays and objects which performs\n\t     * deep merges and tracks traversed objects enabling objects with circular\n\t     * references to be merged.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @param {string} key The key of the value to merge.\n\t     * @param {number} srcIndex The index of `source`.\n\t     * @param {Function} mergeFunc The function to merge values.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     */\n\t    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n\t      var objValue = object[key],\n\t          srcValue = source[key],\n\t          stacked = stack.get(srcValue);\n\t\n\t      if (stacked) {\n\t        assignMergeValue(object, key, stacked);\n\t        return;\n\t      }\n\t      var newValue = customizer\n\t        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n\t        : undefined;\n\t\n\t      var isCommon = newValue === undefined;\n\t\n\t      if (isCommon) {\n\t        var isArr = isArray(srcValue),\n\t            isBuff = !isArr && isBuffer(srcValue),\n\t            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\t\n\t        newValue = srcValue;\n\t        if (isArr || isBuff || isTyped) {\n\t          if (isArray(objValue)) {\n\t            newValue = objValue;\n\t          }\n\t          else if (isArrayLikeObject(objValue)) {\n\t            newValue = copyArray(objValue);\n\t          }\n\t          else if (isBuff) {\n\t            isCommon = false;\n\t            newValue = cloneBuffer(srcValue, true);\n\t          }\n\t          else if (isTyped) {\n\t            isCommon = false;\n\t            newValue = cloneTypedArray(srcValue, true);\n\t          }\n\t          else {\n\t            newValue = [];\n\t          }\n\t        }\n\t        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n\t          newValue = objValue;\n\t          if (isArguments(objValue)) {\n\t            newValue = toPlainObject(objValue);\n\t          }\n\t          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n\t            newValue = initCloneObject(srcValue);\n\t          }\n\t        }\n\t        else {\n\t          isCommon = false;\n\t        }\n\t      }\n\t      if (isCommon) {\n\t        // Recursively merge objects and arrays (susceptible to call stack limits).\n\t        stack.set(srcValue, newValue);\n\t        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n\t        stack['delete'](srcValue);\n\t      }\n\t      assignMergeValue(object, key, newValue);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.nth` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to query.\n\t     * @param {number} n The index of the element to return.\n\t     * @returns {*} Returns the nth element of `array`.\n\t     */\n\t    function baseNth(array, n) {\n\t      var length = array.length;\n\t      if (!length) {\n\t        return;\n\t      }\n\t      n += n < 0 ? length : 0;\n\t      return isIndex(n, length) ? array[n] : undefined;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.orderBy` without param guards.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n\t     * @param {string[]} orders The sort orders of `iteratees`.\n\t     * @returns {Array} Returns the new sorted array.\n\t     */\n\t    function baseOrderBy(collection, iteratees, orders) {\n\t      var index = -1;\n\t      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\t\n\t      var result = baseMap(collection, function(value, key, collection) {\n\t        var criteria = arrayMap(iteratees, function(iteratee) {\n\t          return iteratee(value);\n\t        });\n\t        return { 'criteria': criteria, 'index': ++index, 'value': value };\n\t      });\n\t\n\t      return baseSortBy(result, function(object, other) {\n\t        return compareMultiple(object, other, orders);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pick` without support for individual\n\t     * property identifiers.\n\t     *\n\t     * @private\n\t     * @param {Object} object The source object.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function basePick(object, paths) {\n\t      return basePickBy(object, paths, function(value, path) {\n\t        return hasIn(object, path);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The source object.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @param {Function} predicate The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function basePickBy(object, paths, predicate) {\n\t      var index = -1,\n\t          length = paths.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var path = paths[index],\n\t            value = baseGet(object, path);\n\t\n\t        if (predicate(value, path)) {\n\t          baseSet(result, castPath(path, object), value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseProperty` which supports deep paths.\n\t     *\n\t     * @private\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {Function} Returns the new accessor function.\n\t     */\n\t    function basePropertyDeep(path) {\n\t      return function(object) {\n\t        return baseGet(object, path);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pullAllBy` without support for iteratee\n\t     * shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function basePullAll(array, values, iteratee, comparator) {\n\t      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n\t          index = -1,\n\t          length = values.length,\n\t          seen = array;\n\t\n\t      if (array === values) {\n\t        values = copyArray(values);\n\t      }\n\t      if (iteratee) {\n\t        seen = arrayMap(array, baseUnary(iteratee));\n\t      }\n\t      while (++index < length) {\n\t        var fromIndex = 0,\n\t            value = values[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n\t          if (seen !== array) {\n\t            splice.call(seen, fromIndex, 1);\n\t          }\n\t          splice.call(array, fromIndex, 1);\n\t        }\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pullAt` without support for individual\n\t     * indexes or capturing the removed elements.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to modify.\n\t     * @param {number[]} indexes The indexes of elements to remove.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function basePullAt(array, indexes) {\n\t      var length = array ? indexes.length : 0,\n\t          lastIndex = length - 1;\n\t\n\t      while (length--) {\n\t        var index = indexes[length];\n\t        if (length == lastIndex || index !== previous) {\n\t          var previous = index;\n\t          if (isIndex(index)) {\n\t            splice.call(array, index, 1);\n\t          } else {\n\t            baseUnset(array, index);\n\t          }\n\t        }\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.random` without support for returning\n\t     * floating-point numbers.\n\t     *\n\t     * @private\n\t     * @param {number} lower The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the random number.\n\t     */\n\t    function baseRandom(lower, upper) {\n\t      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n\t     * coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} start The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} step The value to increment or decrement by.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Array} Returns the range of numbers.\n\t     */\n\t    function baseRange(start, end, step, fromRight) {\n\t      var index = -1,\n\t          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n\t          result = Array(length);\n\t\n\t      while (length--) {\n\t        result[fromRight ? length : ++index] = start;\n\t        start += step;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.repeat` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {string} string The string to repeat.\n\t     * @param {number} n The number of times to repeat the string.\n\t     * @returns {string} Returns the repeated string.\n\t     */\n\t    function baseRepeat(string, n) {\n\t      var result = '';\n\t      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n\t        return result;\n\t      }\n\t      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n\t      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n\t      do {\n\t        if (n % 2) {\n\t          result += string;\n\t        }\n\t        n = nativeFloor(n / 2);\n\t        if (n) {\n\t          string += string;\n\t        }\n\t      } while (n);\n\t\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function baseRest(func, start) {\n\t      return setToString(overRest(func, start, identity), func + '');\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sample`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @returns {*} Returns the random element.\n\t     */\n\t    function baseSample(collection) {\n\t      return arraySample(values(collection));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sampleSize` without param guards.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @param {number} n The number of elements to sample.\n\t     * @returns {Array} Returns the random elements.\n\t     */\n\t    function baseSampleSize(collection, n) {\n\t      var array = values(collection);\n\t      return shuffleSelf(array, baseClamp(n, 0, array.length));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.set`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @param {Function} [customizer] The function to customize path creation.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseSet(object, path, value, customizer) {\n\t      if (!isObject(object)) {\n\t        return object;\n\t      }\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length,\n\t          lastIndex = length - 1,\n\t          nested = object;\n\t\n\t      while (nested != null && ++index < length) {\n\t        var key = toKey(path[index]),\n\t            newValue = value;\n\t\n\t        if (index != lastIndex) {\n\t          var objValue = nested[key];\n\t          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n\t          if (newValue === undefined) {\n\t            newValue = isObject(objValue)\n\t              ? objValue\n\t              : (isIndex(path[index + 1]) ? [] : {});\n\t          }\n\t        }\n\t        assignValue(nested, key, newValue);\n\t        nested = nested[key];\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `setData` without support for hot loop shorting.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to associate metadata with.\n\t     * @param {*} data The metadata.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var baseSetData = !metaMap ? identity : function(func, data) {\n\t      metaMap.set(func, data);\n\t      return func;\n\t    };\n\t\n\t    /**\n\t     * The base implementation of `setToString` without support for hot loop shorting.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to modify.\n\t     * @param {Function} string The `toString` result.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var baseSetToString = !defineProperty ? identity : function(func, string) {\n\t      return defineProperty(func, 'toString', {\n\t        'configurable': true,\n\t        'enumerable': false,\n\t        'value': constant(string),\n\t        'writable': true\n\t      });\n\t    };\n\t\n\t    /**\n\t     * The base implementation of `_.shuffle`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     */\n\t    function baseShuffle(collection) {\n\t      return shuffleSelf(values(collection));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.slice` without an iteratee call guard.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to slice.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function baseSlice(array, start, end) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      if (start < 0) {\n\t        start = -start > length ? 0 : (length + start);\n\t      }\n\t      end = end > length ? length : end;\n\t      if (end < 0) {\n\t        end += length;\n\t      }\n\t      length = start > end ? 0 : ((end - start) >>> 0);\n\t      start >>>= 0;\n\t\n\t      var result = Array(length);\n\t      while (++index < length) {\n\t        result[index] = array[index + start];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.some` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t     *  else `false`.\n\t     */\n\t    function baseSome(collection, predicate) {\n\t      var result;\n\t\n\t      baseEach(collection, function(value, index, collection) {\n\t        result = predicate(value, index, collection);\n\t        return !result;\n\t      });\n\t      return !!result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n\t     * performs a binary search of `array` to determine the index at which `value`\n\t     * should be inserted into `array` in order to maintain its sort order.\n\t     *\n\t     * @private\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     */\n\t    function baseSortedIndex(array, value, retHighest) {\n\t      var low = 0,\n\t          high = array == null ? low : array.length;\n\t\n\t      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n\t        while (low < high) {\n\t          var mid = (low + high) >>> 1,\n\t              computed = array[mid];\n\t\n\t          if (computed !== null && !isSymbol(computed) &&\n\t              (retHighest ? (computed <= value) : (computed < value))) {\n\t            low = mid + 1;\n\t          } else {\n\t            high = mid;\n\t          }\n\t        }\n\t        return high;\n\t      }\n\t      return baseSortedIndexBy(array, value, identity, retHighest);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n\t     * which invokes `iteratee` for `value` and each element of `array` to compute\n\t     * their sort ranking. The iteratee is invoked with one argument; (value).\n\t     *\n\t     * @private\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} iteratee The iteratee invoked per element.\n\t     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     */\n\t    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n\t      value = iteratee(value);\n\t\n\t      var low = 0,\n\t          high = array == null ? 0 : array.length,\n\t          valIsNaN = value !== value,\n\t          valIsNull = value === null,\n\t          valIsSymbol = isSymbol(value),\n\t          valIsUndefined = value === undefined;\n\t\n\t      while (low < high) {\n\t        var mid = nativeFloor((low + high) / 2),\n\t            computed = iteratee(array[mid]),\n\t            othIsDefined = computed !== undefined,\n\t            othIsNull = computed === null,\n\t            othIsReflexive = computed === computed,\n\t            othIsSymbol = isSymbol(computed);\n\t\n\t        if (valIsNaN) {\n\t          var setLow = retHighest || othIsReflexive;\n\t        } else if (valIsUndefined) {\n\t          setLow = othIsReflexive && (retHighest || othIsDefined);\n\t        } else if (valIsNull) {\n\t          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n\t        } else if (valIsSymbol) {\n\t          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n\t        } else if (othIsNull || othIsSymbol) {\n\t          setLow = false;\n\t        } else {\n\t          setLow = retHighest ? (computed <= value) : (computed < value);\n\t        }\n\t        if (setLow) {\n\t          low = mid + 1;\n\t        } else {\n\t          high = mid;\n\t        }\n\t      }\n\t      return nativeMin(high, MAX_ARRAY_INDEX);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n\t     * support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     */\n\t    function baseSortedUniq(array, iteratee) {\n\t      var index = -1,\n\t          length = array.length,\n\t          resIndex = 0,\n\t          result = [];\n\t\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        if (!index || !eq(computed, seen)) {\n\t          var seen = computed;\n\t          result[resIndex++] = value === 0 ? 0 : value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.toNumber` which doesn't ensure correct\n\t     * conversions of binary, hexadecimal, or octal string values.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to process.\n\t     * @returns {number} Returns the number.\n\t     */\n\t    function baseToNumber(value) {\n\t      if (typeof value == 'number') {\n\t        return value;\n\t      }\n\t      if (isSymbol(value)) {\n\t        return NAN;\n\t      }\n\t      return +value;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.toString` which doesn't convert nullish\n\t     * values to empty strings.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to process.\n\t     * @returns {string} Returns the string.\n\t     */\n\t    function baseToString(value) {\n\t      // Exit early for strings to avoid a performance hit in some environments.\n\t      if (typeof value == 'string') {\n\t        return value;\n\t      }\n\t      if (isArray(value)) {\n\t        // Recursively convert values (susceptible to call stack limits).\n\t        return arrayMap(value, baseToString) + '';\n\t      }\n\t      if (isSymbol(value)) {\n\t        return symbolToString ? symbolToString.call(value) : '';\n\t      }\n\t      var result = (value + '');\n\t      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     */\n\t    function baseUniq(array, iteratee, comparator) {\n\t      var index = -1,\n\t          includes = arrayIncludes,\n\t          length = array.length,\n\t          isCommon = true,\n\t          result = [],\n\t          seen = result;\n\t\n\t      if (comparator) {\n\t        isCommon = false;\n\t        includes = arrayIncludesWith;\n\t      }\n\t      else if (length >= LARGE_ARRAY_SIZE) {\n\t        var set = iteratee ? null : createSet(array);\n\t        if (set) {\n\t          return setToArray(set);\n\t        }\n\t        isCommon = false;\n\t        includes = cacheHas;\n\t        seen = new SetCache;\n\t      }\n\t      else {\n\t        seen = iteratee ? [] : result;\n\t      }\n\t      outer:\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (isCommon && computed === computed) {\n\t          var seenIndex = seen.length;\n\t          while (seenIndex--) {\n\t            if (seen[seenIndex] === computed) {\n\t              continue outer;\n\t            }\n\t          }\n\t          if (iteratee) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t        else if (!includes(seen, computed, comparator)) {\n\t          if (seen !== result) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.unset`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The property path to unset.\n\t     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t     */\n\t    function baseUnset(object, path) {\n\t      path = castPath(path, object);\n\t      object = parent(object, path);\n\t      return object == null || delete object[toKey(last(path))];\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.update`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to update.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @param {Function} [customizer] The function to customize path creation.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseUpdate(object, path, updater, customizer) {\n\t      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n\t     * without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function baseWhile(array, predicate, isDrop, fromRight) {\n\t      var length = array.length,\n\t          index = fromRight ? length : -1;\n\t\n\t      while ((fromRight ? index-- : ++index < length) &&\n\t        predicate(array[index], index, array)) {}\n\t\n\t      return isDrop\n\t        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n\t        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `wrapperValue` which returns the result of\n\t     * performing a sequence of actions on the unwrapped `value`, where each\n\t     * successive action is supplied the return value of the previous.\n\t     *\n\t     * @private\n\t     * @param {*} value The unwrapped value.\n\t     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n\t     * @returns {*} Returns the resolved value.\n\t     */\n\t    function baseWrapperValue(value, actions) {\n\t      var result = value;\n\t      if (result instanceof LazyWrapper) {\n\t        result = result.value();\n\t      }\n\t      return arrayReduce(actions, function(result, action) {\n\t        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n\t      }, result);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.xor`, without support for\n\t     * iteratee shorthands, that accepts an array of arrays to inspect.\n\t     *\n\t     * @private\n\t     * @param {Array} arrays The arrays to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of values.\n\t     */\n\t    function baseXor(arrays, iteratee, comparator) {\n\t      var length = arrays.length;\n\t      if (length < 2) {\n\t        return length ? baseUniq(arrays[0]) : [];\n\t      }\n\t      var index = -1,\n\t          result = Array(length);\n\t\n\t      while (++index < length) {\n\t        var array = arrays[index],\n\t            othIndex = -1;\n\t\n\t        while (++othIndex < length) {\n\t          if (othIndex != index) {\n\t            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n\t          }\n\t        }\n\t      }\n\t      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n\t    }\n\t\n\t    /**\n\t     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n\t     *\n\t     * @private\n\t     * @param {Array} props The property identifiers.\n\t     * @param {Array} values The property values.\n\t     * @param {Function} assignFunc The function to assign values.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function baseZipObject(props, values, assignFunc) {\n\t      var index = -1,\n\t          length = props.length,\n\t          valsLength = values.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var value = index < valsLength ? values[index] : undefined;\n\t        assignFunc(result, props[index], value);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to an empty array if it's not an array like object.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Array|Object} Returns the cast array-like object.\n\t     */\n\t    function castArrayLikeObject(value) {\n\t      return isArrayLikeObject(value) ? value : [];\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to `identity` if it's not a function.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Function} Returns cast function.\n\t     */\n\t    function castFunction(value) {\n\t      return typeof value == 'function' ? value : identity;\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to a path array if it's not one.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @param {Object} [object] The object to query keys on.\n\t     * @returns {Array} Returns the cast property path array.\n\t     */\n\t    function castPath(value, object) {\n\t      if (isArray(value)) {\n\t        return value;\n\t      }\n\t      return isKey(value, object) ? [value] : stringToPath(toString(value));\n\t    }\n\t\n\t    /**\n\t     * A `baseRest` alias which can be replaced with `identity` by module\n\t     * replacement plugins.\n\t     *\n\t     * @private\n\t     * @type {Function}\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    var castRest = baseRest;\n\t\n\t    /**\n\t     * Casts `array` to a slice if it's needed.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {number} start The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the cast slice.\n\t     */\n\t    function castSlice(array, start, end) {\n\t      var length = array.length;\n\t      end = end === undefined ? length : end;\n\t      return (!start && end >= length) ? array : baseSlice(array, start, end);\n\t    }\n\t\n\t    /**\n\t     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n\t     *\n\t     * @private\n\t     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n\t     */\n\t    var clearTimeout = ctxClearTimeout || function(id) {\n\t      return root.clearTimeout(id);\n\t    };\n\t\n\t    /**\n\t     * Creates a clone of  `buffer`.\n\t     *\n\t     * @private\n\t     * @param {Buffer} buffer The buffer to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Buffer} Returns the cloned buffer.\n\t     */\n\t    function cloneBuffer(buffer, isDeep) {\n\t      if (isDeep) {\n\t        return buffer.slice();\n\t      }\n\t      var length = buffer.length,\n\t          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\t\n\t      buffer.copy(result);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `arrayBuffer`.\n\t     *\n\t     * @private\n\t     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n\t     * @returns {ArrayBuffer} Returns the cloned array buffer.\n\t     */\n\t    function cloneArrayBuffer(arrayBuffer) {\n\t      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n\t      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `dataView`.\n\t     *\n\t     * @private\n\t     * @param {Object} dataView The data view to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned data view.\n\t     */\n\t    function cloneDataView(dataView, isDeep) {\n\t      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n\t      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `map`.\n\t     *\n\t     * @private\n\t     * @param {Object} map The map to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned map.\n\t     */\n\t    function cloneMap(map, isDeep, cloneFunc) {\n\t      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n\t      return arrayReduce(array, addMapEntry, new map.constructor);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `regexp`.\n\t     *\n\t     * @private\n\t     * @param {Object} regexp The regexp to clone.\n\t     * @returns {Object} Returns the cloned regexp.\n\t     */\n\t    function cloneRegExp(regexp) {\n\t      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n\t      result.lastIndex = regexp.lastIndex;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `set`.\n\t     *\n\t     * @private\n\t     * @param {Object} set The set to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned set.\n\t     */\n\t    function cloneSet(set, isDeep, cloneFunc) {\n\t      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n\t      return arrayReduce(array, addSetEntry, new set.constructor);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the `symbol` object.\n\t     *\n\t     * @private\n\t     * @param {Object} symbol The symbol object to clone.\n\t     * @returns {Object} Returns the cloned symbol object.\n\t     */\n\t    function cloneSymbol(symbol) {\n\t      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `typedArray`.\n\t     *\n\t     * @private\n\t     * @param {Object} typedArray The typed array to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned typed array.\n\t     */\n\t    function cloneTypedArray(typedArray, isDeep) {\n\t      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n\t      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n\t    }\n\t\n\t    /**\n\t     * Compares values to sort them in ascending order.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {number} Returns the sort order indicator for `value`.\n\t     */\n\t    function compareAscending(value, other) {\n\t      if (value !== other) {\n\t        var valIsDefined = value !== undefined,\n\t            valIsNull = value === null,\n\t            valIsReflexive = value === value,\n\t            valIsSymbol = isSymbol(value);\n\t\n\t        var othIsDefined = other !== undefined,\n\t            othIsNull = other === null,\n\t            othIsReflexive = other === other,\n\t            othIsSymbol = isSymbol(other);\n\t\n\t        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n\t            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n\t            (valIsNull && othIsDefined && othIsReflexive) ||\n\t            (!valIsDefined && othIsReflexive) ||\n\t            !valIsReflexive) {\n\t          return 1;\n\t        }\n\t        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n\t            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n\t            (othIsNull && valIsDefined && valIsReflexive) ||\n\t            (!othIsDefined && valIsReflexive) ||\n\t            !othIsReflexive) {\n\t          return -1;\n\t        }\n\t      }\n\t      return 0;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.orderBy` to compare multiple properties of a value to another\n\t     * and stable sort them.\n\t     *\n\t     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n\t     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n\t     * of corresponding values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {boolean[]|string[]} orders The order to sort by for each property.\n\t     * @returns {number} Returns the sort order indicator for `object`.\n\t     */\n\t    function compareMultiple(object, other, orders) {\n\t      var index = -1,\n\t          objCriteria = object.criteria,\n\t          othCriteria = other.criteria,\n\t          length = objCriteria.length,\n\t          ordersLength = orders.length;\n\t\n\t      while (++index < length) {\n\t        var result = compareAscending(objCriteria[index], othCriteria[index]);\n\t        if (result) {\n\t          if (index >= ordersLength) {\n\t            return result;\n\t          }\n\t          var order = orders[index];\n\t          return result * (order == 'desc' ? -1 : 1);\n\t        }\n\t      }\n\t      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n\t      // that causes it, under certain circumstances, to provide the same value for\n\t      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n\t      // for more details.\n\t      //\n\t      // This also ensures a stable sort in V8 and other engines.\n\t      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n\t      return object.index - other.index;\n\t    }\n\t\n\t    /**\n\t     * Creates an array that is the composition of partially applied arguments,\n\t     * placeholders, and provided arguments into a single array of arguments.\n\t     *\n\t     * @private\n\t     * @param {Array} args The provided arguments.\n\t     * @param {Array} partials The arguments to prepend to those provided.\n\t     * @param {Array} holders The `partials` placeholder indexes.\n\t     * @params {boolean} [isCurried] Specify composing for a curried function.\n\t     * @returns {Array} Returns the new array of composed arguments.\n\t     */\n\t    function composeArgs(args, partials, holders, isCurried) {\n\t      var argsIndex = -1,\n\t          argsLength = args.length,\n\t          holdersLength = holders.length,\n\t          leftIndex = -1,\n\t          leftLength = partials.length,\n\t          rangeLength = nativeMax(argsLength - holdersLength, 0),\n\t          result = Array(leftLength + rangeLength),\n\t          isUncurried = !isCurried;\n\t\n\t      while (++leftIndex < leftLength) {\n\t        result[leftIndex] = partials[leftIndex];\n\t      }\n\t      while (++argsIndex < holdersLength) {\n\t        if (isUncurried || argsIndex < argsLength) {\n\t          result[holders[argsIndex]] = args[argsIndex];\n\t        }\n\t      }\n\t      while (rangeLength--) {\n\t        result[leftIndex++] = args[argsIndex++];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This function is like `composeArgs` except that the arguments composition\n\t     * is tailored for `_.partialRight`.\n\t     *\n\t     * @private\n\t     * @param {Array} args The provided arguments.\n\t     * @param {Array} partials The arguments to append to those provided.\n\t     * @param {Array} holders The `partials` placeholder indexes.\n\t     * @params {boolean} [isCurried] Specify composing for a curried function.\n\t     * @returns {Array} Returns the new array of composed arguments.\n\t     */\n\t    function composeArgsRight(args, partials, holders, isCurried) {\n\t      var argsIndex = -1,\n\t          argsLength = args.length,\n\t          holdersIndex = -1,\n\t          holdersLength = holders.length,\n\t          rightIndex = -1,\n\t          rightLength = partials.length,\n\t          rangeLength = nativeMax(argsLength - holdersLength, 0),\n\t          result = Array(rangeLength + rightLength),\n\t          isUncurried = !isCurried;\n\t\n\t      while (++argsIndex < rangeLength) {\n\t        result[argsIndex] = args[argsIndex];\n\t      }\n\t      var offset = argsIndex;\n\t      while (++rightIndex < rightLength) {\n\t        result[offset + rightIndex] = partials[rightIndex];\n\t      }\n\t      while (++holdersIndex < holdersLength) {\n\t        if (isUncurried || argsIndex < argsLength) {\n\t          result[offset + holders[holdersIndex]] = args[argsIndex++];\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Copies the values of `source` to `array`.\n\t     *\n\t     * @private\n\t     * @param {Array} source The array to copy values from.\n\t     * @param {Array} [array=[]] The array to copy values to.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function copyArray(source, array) {\n\t      var index = -1,\n\t          length = source.length;\n\t\n\t      array || (array = Array(length));\n\t      while (++index < length) {\n\t        array[index] = source[index];\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Copies properties of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy properties from.\n\t     * @param {Array} props The property identifiers to copy.\n\t     * @param {Object} [object={}] The object to copy properties to.\n\t     * @param {Function} [customizer] The function to customize copied values.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copyObject(source, props, object, customizer) {\n\t      var isNew = !object;\n\t      object || (object = {});\n\t\n\t      var index = -1,\n\t          length = props.length;\n\t\n\t      while (++index < length) {\n\t        var key = props[index];\n\t\n\t        var newValue = customizer\n\t          ? customizer(object[key], source[key], key, object, source)\n\t          : undefined;\n\t\n\t        if (newValue === undefined) {\n\t          newValue = source[key];\n\t        }\n\t        if (isNew) {\n\t          baseAssignValue(object, key, newValue);\n\t        } else {\n\t          assignValue(object, key, newValue);\n\t        }\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Copies own symbols of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy symbols from.\n\t     * @param {Object} [object={}] The object to copy symbols to.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copySymbols(source, object) {\n\t      return copyObject(source, getSymbols(source), object);\n\t    }\n\t\n\t    /**\n\t     * Copies own and inherited symbols of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy symbols from.\n\t     * @param {Object} [object={}] The object to copy symbols to.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copySymbolsIn(source, object) {\n\t      return copyObject(source, getSymbolsIn(source), object);\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.groupBy`.\n\t     *\n\t     * @private\n\t     * @param {Function} setter The function to set accumulator values.\n\t     * @param {Function} [initializer] The accumulator object initializer.\n\t     * @returns {Function} Returns the new aggregator function.\n\t     */\n\t    function createAggregator(setter, initializer) {\n\t      return function(collection, iteratee) {\n\t        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n\t            accumulator = initializer ? initializer() : {};\n\t\n\t        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.assign`.\n\t     *\n\t     * @private\n\t     * @param {Function} assigner The function to assign values.\n\t     * @returns {Function} Returns the new assigner function.\n\t     */\n\t    function createAssigner(assigner) {\n\t      return baseRest(function(object, sources) {\n\t        var index = -1,\n\t            length = sources.length,\n\t            customizer = length > 1 ? sources[length - 1] : undefined,\n\t            guard = length > 2 ? sources[2] : undefined;\n\t\n\t        customizer = (assigner.length > 3 && typeof customizer == 'function')\n\t          ? (length--, customizer)\n\t          : undefined;\n\t\n\t        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n\t          customizer = length < 3 ? undefined : customizer;\n\t          length = 1;\n\t        }\n\t        object = Object(object);\n\t        while (++index < length) {\n\t          var source = sources[index];\n\t          if (source) {\n\t            assigner(object, source, index, customizer);\n\t          }\n\t        }\n\t        return object;\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a `baseEach` or `baseEachRight` function.\n\t     *\n\t     * @private\n\t     * @param {Function} eachFunc The function to iterate over a collection.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new base function.\n\t     */\n\t    function createBaseEach(eachFunc, fromRight) {\n\t      return function(collection, iteratee) {\n\t        if (collection == null) {\n\t          return collection;\n\t        }\n\t        if (!isArrayLike(collection)) {\n\t          return eachFunc(collection, iteratee);\n\t        }\n\t        var length = collection.length,\n\t            index = fromRight ? length : -1,\n\t            iterable = Object(collection);\n\t\n\t        while ((fromRight ? index-- : ++index < length)) {\n\t          if (iteratee(iterable[index], index, iterable) === false) {\n\t            break;\n\t          }\n\t        }\n\t        return collection;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new base function.\n\t     */\n\t    function createBaseFor(fromRight) {\n\t      return function(object, iteratee, keysFunc) {\n\t        var index = -1,\n\t            iterable = Object(object),\n\t            props = keysFunc(object),\n\t            length = props.length;\n\t\n\t        while (length--) {\n\t          var key = props[fromRight ? length : ++index];\n\t          if (iteratee(iterable[key], key, iterable) === false) {\n\t            break;\n\t          }\n\t        }\n\t        return object;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with the optional `this`\n\t     * binding of `thisArg`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createBind(func, bitmask, thisArg) {\n\t      var isBind = bitmask & WRAP_BIND_FLAG,\n\t          Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t        return fn.apply(isBind ? thisArg : this, arguments);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.lowerFirst`.\n\t     *\n\t     * @private\n\t     * @param {string} methodName The name of the `String` case method to use.\n\t     * @returns {Function} Returns the new case function.\n\t     */\n\t    function createCaseFirst(methodName) {\n\t      return function(string) {\n\t        string = toString(string);\n\t\n\t        var strSymbols = hasUnicode(string)\n\t          ? stringToArray(string)\n\t          : undefined;\n\t\n\t        var chr = strSymbols\n\t          ? strSymbols[0]\n\t          : string.charAt(0);\n\t\n\t        var trailing = strSymbols\n\t          ? castSlice(strSymbols, 1).join('')\n\t          : string.slice(1);\n\t\n\t        return chr[methodName]() + trailing;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.camelCase`.\n\t     *\n\t     * @private\n\t     * @param {Function} callback The function to combine each word.\n\t     * @returns {Function} Returns the new compounder function.\n\t     */\n\t    function createCompounder(callback) {\n\t      return function(string) {\n\t        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that produces an instance of `Ctor` regardless of\n\t     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n\t     *\n\t     * @private\n\t     * @param {Function} Ctor The constructor to wrap.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createCtor(Ctor) {\n\t      return function() {\n\t        // Use a `switch` statement to work with class constructors. See\n\t        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n\t        // for more details.\n\t        var args = arguments;\n\t        switch (args.length) {\n\t          case 0: return new Ctor;\n\t          case 1: return new Ctor(args[0]);\n\t          case 2: return new Ctor(args[0], args[1]);\n\t          case 3: return new Ctor(args[0], args[1], args[2]);\n\t          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n\t          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n\t          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n\t          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n\t        }\n\t        var thisBinding = baseCreate(Ctor.prototype),\n\t            result = Ctor.apply(thisBinding, args);\n\t\n\t        // Mimic the constructor's `return` behavior.\n\t        // See https://es5.github.io/#x13.2.2 for more details.\n\t        return isObject(result) ? result : thisBinding;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to enable currying.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {number} arity The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createCurry(func, bitmask, arity) {\n\t      var Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var length = arguments.length,\n\t            args = Array(length),\n\t            index = length,\n\t            placeholder = getHolder(wrapper);\n\t\n\t        while (index--) {\n\t          args[index] = arguments[index];\n\t        }\n\t        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n\t          ? []\n\t          : replaceHolders(args, placeholder);\n\t\n\t        length -= holders.length;\n\t        if (length < arity) {\n\t          return createRecurry(\n\t            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n\t            args, holders, undefined, undefined, arity - length);\n\t        }\n\t        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t        return apply(fn, this, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.find` or `_.findLast` function.\n\t     *\n\t     * @private\n\t     * @param {Function} findIndexFunc The function to find the collection index.\n\t     * @returns {Function} Returns the new find function.\n\t     */\n\t    function createFind(findIndexFunc) {\n\t      return function(collection, predicate, fromIndex) {\n\t        var iterable = Object(collection);\n\t        if (!isArrayLike(collection)) {\n\t          var iteratee = getIteratee(predicate, 3);\n\t          collection = keys(collection);\n\t          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n\t        }\n\t        var index = findIndexFunc(collection, predicate, fromIndex);\n\t        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.flow` or `_.flowRight` function.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new flow function.\n\t     */\n\t    function createFlow(fromRight) {\n\t      return flatRest(function(funcs) {\n\t        var length = funcs.length,\n\t            index = length,\n\t            prereq = LodashWrapper.prototype.thru;\n\t\n\t        if (fromRight) {\n\t          funcs.reverse();\n\t        }\n\t        while (index--) {\n\t          var func = funcs[index];\n\t          if (typeof func != 'function') {\n\t            throw new TypeError(FUNC_ERROR_TEXT);\n\t          }\n\t          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n\t            var wrapper = new LodashWrapper([], true);\n\t          }\n\t        }\n\t        index = wrapper ? index : length;\n\t        while (++index < length) {\n\t          func = funcs[index];\n\t\n\t          var funcName = getFuncName(func),\n\t              data = funcName == 'wrapper' ? getData(func) : undefined;\n\t\n\t          if (data && isLaziable(data[0]) &&\n\t                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n\t                !data[4].length && data[9] == 1\n\t              ) {\n\t            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n\t          } else {\n\t            wrapper = (func.length == 1 && isLaziable(func))\n\t              ? wrapper[funcName]()\n\t              : wrapper.thru(func);\n\t          }\n\t        }\n\t        return function() {\n\t          var args = arguments,\n\t              value = args[0];\n\t\n\t          if (wrapper && args.length == 1 && isArray(value)) {\n\t            return wrapper.plant(value).value();\n\t          }\n\t          var index = 0,\n\t              result = length ? funcs[index].apply(this, args) : value;\n\t\n\t          while (++index < length) {\n\t            result = funcs[index].call(this, result);\n\t          }\n\t          return result;\n\t        };\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with optional `this`\n\t     * binding of `thisArg`, partial application, and currying.\n\t     *\n\t     * @private\n\t     * @param {Function|string} func The function or method name to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [partialsRight] The arguments to append to those provided\n\t     *  to the new function.\n\t     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n\t      var isAry = bitmask & WRAP_ARY_FLAG,\n\t          isBind = bitmask & WRAP_BIND_FLAG,\n\t          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n\t          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n\t          isFlip = bitmask & WRAP_FLIP_FLAG,\n\t          Ctor = isBindKey ? undefined : createCtor(func);\n\t\n\t      function wrapper() {\n\t        var length = arguments.length,\n\t            args = Array(length),\n\t            index = length;\n\t\n\t        while (index--) {\n\t          args[index] = arguments[index];\n\t        }\n\t        if (isCurried) {\n\t          var placeholder = getHolder(wrapper),\n\t              holdersCount = countHolders(args, placeholder);\n\t        }\n\t        if (partials) {\n\t          args = composeArgs(args, partials, holders, isCurried);\n\t        }\n\t        if (partialsRight) {\n\t          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n\t        }\n\t        length -= holdersCount;\n\t        if (isCurried && length < arity) {\n\t          var newHolders = replaceHolders(args, placeholder);\n\t          return createRecurry(\n\t            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n\t            args, newHolders, argPos, ary, arity - length\n\t          );\n\t        }\n\t        var thisBinding = isBind ? thisArg : this,\n\t            fn = isBindKey ? thisBinding[func] : func;\n\t\n\t        length = args.length;\n\t        if (argPos) {\n\t          args = reorder(args, argPos);\n\t        } else if (isFlip && length > 1) {\n\t          args.reverse();\n\t        }\n\t        if (isAry && ary < length) {\n\t          args.length = ary;\n\t        }\n\t        if (this && this !== root && this instanceof wrapper) {\n\t          fn = Ctor || createCtor(fn);\n\t        }\n\t        return fn.apply(thisBinding, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.invertBy`.\n\t     *\n\t     * @private\n\t     * @param {Function} setter The function to set accumulator values.\n\t     * @param {Function} toIteratee The function to resolve iteratees.\n\t     * @returns {Function} Returns the new inverter function.\n\t     */\n\t    function createInverter(setter, toIteratee) {\n\t      return function(object, iteratee) {\n\t        return baseInverter(object, setter, toIteratee(iteratee), {});\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a mathematical operation on two values.\n\t     *\n\t     * @private\n\t     * @param {Function} operator The function to perform the operation.\n\t     * @param {number} [defaultValue] The value used for `undefined` arguments.\n\t     * @returns {Function} Returns the new mathematical operation function.\n\t     */\n\t    function createMathOperation(operator, defaultValue) {\n\t      return function(value, other) {\n\t        var result;\n\t        if (value === undefined && other === undefined) {\n\t          return defaultValue;\n\t        }\n\t        if (value !== undefined) {\n\t          result = value;\n\t        }\n\t        if (other !== undefined) {\n\t          if (result === undefined) {\n\t            return other;\n\t          }\n\t          if (typeof value == 'string' || typeof other == 'string') {\n\t            value = baseToString(value);\n\t            other = baseToString(other);\n\t          } else {\n\t            value = baseToNumber(value);\n\t            other = baseToNumber(other);\n\t          }\n\t          result = operator(value, other);\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.over`.\n\t     *\n\t     * @private\n\t     * @param {Function} arrayFunc The function to iterate over iteratees.\n\t     * @returns {Function} Returns the new over function.\n\t     */\n\t    function createOver(arrayFunc) {\n\t      return flatRest(function(iteratees) {\n\t        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n\t        return baseRest(function(args) {\n\t          var thisArg = this;\n\t          return arrayFunc(iteratees, function(iteratee) {\n\t            return apply(iteratee, thisArg, args);\n\t          });\n\t        });\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates the padding for `string` based on `length`. The `chars` string\n\t     * is truncated if the number of characters exceeds `length`.\n\t     *\n\t     * @private\n\t     * @param {number} length The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padding for `string`.\n\t     */\n\t    function createPadding(length, chars) {\n\t      chars = chars === undefined ? ' ' : baseToString(chars);\n\t\n\t      var charsLength = chars.length;\n\t      if (charsLength < 2) {\n\t        return charsLength ? baseRepeat(chars, length) : chars;\n\t      }\n\t      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n\t      return hasUnicode(chars)\n\t        ? castSlice(stringToArray(result), 0, length).join('')\n\t        : result.slice(0, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with the `this` binding\n\t     * of `thisArg` and `partials` prepended to the arguments it receives.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} thisArg The `this` binding of `func`.\n\t     * @param {Array} partials The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createPartial(func, bitmask, thisArg, partials) {\n\t      var isBind = bitmask & WRAP_BIND_FLAG,\n\t          Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var argsIndex = -1,\n\t            argsLength = arguments.length,\n\t            leftIndex = -1,\n\t            leftLength = partials.length,\n\t            args = Array(leftLength + argsLength),\n\t            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t\n\t        while (++leftIndex < leftLength) {\n\t          args[leftIndex] = partials[leftIndex];\n\t        }\n\t        while (argsLength--) {\n\t          args[leftIndex++] = arguments[++argsIndex];\n\t        }\n\t        return apply(fn, isBind ? thisArg : this, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.range` or `_.rangeRight` function.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new range function.\n\t     */\n\t    function createRange(fromRight) {\n\t      return function(start, end, step) {\n\t        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n\t          end = step = undefined;\n\t        }\n\t        // Ensure the sign of `-0` is preserved.\n\t        start = toFinite(start);\n\t        if (end === undefined) {\n\t          end = start;\n\t          start = 0;\n\t        } else {\n\t          end = toFinite(end);\n\t        }\n\t        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n\t        return baseRange(start, end, step, fromRight);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a relational operation on two values.\n\t     *\n\t     * @private\n\t     * @param {Function} operator The function to perform the operation.\n\t     * @returns {Function} Returns the new relational operation function.\n\t     */\n\t    function createRelationalOperation(operator) {\n\t      return function(value, other) {\n\t        if (!(typeof value == 'string' && typeof other == 'string')) {\n\t          value = toNumber(value);\n\t          other = toNumber(other);\n\t        }\n\t        return operator(value, other);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to continue currying.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {Function} wrapFunc The function to create the `func` wrapper.\n\t     * @param {*} placeholder The placeholder value.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n\t      var isCurry = bitmask & WRAP_CURRY_FLAG,\n\t          newHolders = isCurry ? holders : undefined,\n\t          newHoldersRight = isCurry ? undefined : holders,\n\t          newPartials = isCurry ? partials : undefined,\n\t          newPartialsRight = isCurry ? undefined : partials;\n\t\n\t      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n\t      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\t\n\t      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n\t        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n\t      }\n\t      var newData = [\n\t        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n\t        newHoldersRight, argPos, ary, arity\n\t      ];\n\t\n\t      var result = wrapFunc.apply(undefined, newData);\n\t      if (isLaziable(func)) {\n\t        setData(result, newData);\n\t      }\n\t      result.placeholder = placeholder;\n\t      return setWrapToString(result, func, bitmask);\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.round`.\n\t     *\n\t     * @private\n\t     * @param {string} methodName The name of the `Math` method to use when rounding.\n\t     * @returns {Function} Returns the new round function.\n\t     */\n\t    function createRound(methodName) {\n\t      var func = Math[methodName];\n\t      return function(number, precision) {\n\t        number = toNumber(number);\n\t        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n\t        if (precision) {\n\t          // Shift with exponential notation to avoid floating-point issues.\n\t          // See [MDN](https://mdn.io/round#Examples) for more details.\n\t          var pair = (toString(number) + 'e').split('e'),\n\t              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\t\n\t          pair = (toString(value) + 'e').split('e');\n\t          return +(pair[0] + 'e' + (+pair[1] - precision));\n\t        }\n\t        return func(number);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a set object of `values`.\n\t     *\n\t     * @private\n\t     * @param {Array} values The values to add to the set.\n\t     * @returns {Object} Returns the new set.\n\t     */\n\t    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n\t      return new Set(values);\n\t    };\n\t\n\t    /**\n\t     * Creates a `_.toPairs` or `_.toPairsIn` function.\n\t     *\n\t     * @private\n\t     * @param {Function} keysFunc The function to get the keys of a given object.\n\t     * @returns {Function} Returns the new pairs function.\n\t     */\n\t    function createToPairs(keysFunc) {\n\t      return function(object) {\n\t        var tag = getTag(object);\n\t        if (tag == mapTag) {\n\t          return mapToArray(object);\n\t        }\n\t        if (tag == setTag) {\n\t          return setToPairs(object);\n\t        }\n\t        return baseToPairs(object, keysFunc(object));\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that either curries or invokes `func` with optional\n\t     * `this` binding and partially applied arguments.\n\t     *\n\t     * @private\n\t     * @param {Function|string} func The function or method name to wrap.\n\t     * @param {number} bitmask The bitmask flags.\n\t     *    1 - `_.bind`\n\t     *    2 - `_.bindKey`\n\t     *    4 - `_.curry` or `_.curryRight` of a bound function\n\t     *    8 - `_.curry`\n\t     *   16 - `_.curryRight`\n\t     *   32 - `_.partial`\n\t     *   64 - `_.partialRight`\n\t     *  128 - `_.rearg`\n\t     *  256 - `_.ary`\n\t     *  512 - `_.flip`\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to be partially applied.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n\t      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n\t      if (!isBindKey && typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      var length = partials ? partials.length : 0;\n\t      if (!length) {\n\t        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n\t        partials = holders = undefined;\n\t      }\n\t      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n\t      arity = arity === undefined ? arity : toInteger(arity);\n\t      length -= holders ? holders.length : 0;\n\t\n\t      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n\t        var partialsRight = partials,\n\t            holdersRight = holders;\n\t\n\t        partials = holders = undefined;\n\t      }\n\t      var data = isBindKey ? undefined : getData(func);\n\t\n\t      var newData = [\n\t        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n\t        argPos, ary, arity\n\t      ];\n\t\n\t      if (data) {\n\t        mergeData(newData, data);\n\t      }\n\t      func = newData[0];\n\t      bitmask = newData[1];\n\t      thisArg = newData[2];\n\t      partials = newData[3];\n\t      holders = newData[4];\n\t      arity = newData[9] = newData[9] === undefined\n\t        ? (isBindKey ? 0 : func.length)\n\t        : nativeMax(newData[9] - length, 0);\n\t\n\t      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n\t        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n\t      }\n\t      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n\t        var result = createBind(func, bitmask, thisArg);\n\t      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n\t        result = createCurry(func, bitmask, arity);\n\t      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n\t        result = createPartial(func, bitmask, thisArg, partials);\n\t      } else {\n\t        result = createHybrid.apply(undefined, newData);\n\t      }\n\t      var setter = data ? baseSetData : setData;\n\t      return setWrapToString(setter(result, newData), func, bitmask);\n\t    }\n\t\n\t    /**\n\t     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n\t     * of source objects to the destination object for all destination properties\n\t     * that resolve to `undefined`.\n\t     *\n\t     * @private\n\t     * @param {*} objValue The destination value.\n\t     * @param {*} srcValue The source value.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {Object} object The parent object of `objValue`.\n\t     * @returns {*} Returns the value to assign.\n\t     */\n\t    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n\t      if (objValue === undefined ||\n\t          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n\t        return srcValue;\n\t      }\n\t      return objValue;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n\t     * objects into destination objects that are passed thru.\n\t     *\n\t     * @private\n\t     * @param {*} objValue The destination value.\n\t     * @param {*} srcValue The source value.\n\t     * @param {string} key The key of the property to merge.\n\t     * @param {Object} object The parent object of `objValue`.\n\t     * @param {Object} source The parent object of `srcValue`.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     * @returns {*} Returns the value to assign.\n\t     */\n\t    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n\t      if (isObject(objValue) && isObject(srcValue)) {\n\t        // Recursively merge objects and arrays (susceptible to call stack limits).\n\t        stack.set(srcValue, objValue);\n\t        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n\t        stack['delete'](srcValue);\n\t      }\n\t      return objValue;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n\t     * objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @param {string} key The key of the property to inspect.\n\t     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n\t     */\n\t    function customOmitClone(value) {\n\t      return isPlainObject(value) ? undefined : value;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for arrays with support for\n\t     * partial deep comparisons.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to compare.\n\t     * @param {Array} other The other array to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `array` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n\t     */\n\t    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n\t      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n\t          arrLength = array.length,\n\t          othLength = other.length;\n\t\n\t      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n\t        return false;\n\t      }\n\t      // Assume cyclic values are equal.\n\t      var stacked = stack.get(array);\n\t      if (stacked && stack.get(other)) {\n\t        return stacked == other;\n\t      }\n\t      var index = -1,\n\t          result = true,\n\t          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\t\n\t      stack.set(array, other);\n\t      stack.set(other, array);\n\t\n\t      // Ignore non-index properties.\n\t      while (++index < arrLength) {\n\t        var arrValue = array[index],\n\t            othValue = other[index];\n\t\n\t        if (customizer) {\n\t          var compared = isPartial\n\t            ? customizer(othValue, arrValue, index, other, array, stack)\n\t            : customizer(arrValue, othValue, index, array, other, stack);\n\t        }\n\t        if (compared !== undefined) {\n\t          if (compared) {\n\t            continue;\n\t          }\n\t          result = false;\n\t          break;\n\t        }\n\t        // Recursively compare arrays (susceptible to call stack limits).\n\t        if (seen) {\n\t          if (!arraySome(other, function(othValue, othIndex) {\n\t                if (!cacheHas(seen, othIndex) &&\n\t                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n\t                  return seen.push(othIndex);\n\t                }\n\t              })) {\n\t            result = false;\n\t            break;\n\t          }\n\t        } else if (!(\n\t              arrValue === othValue ||\n\t                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n\t            )) {\n\t          result = false;\n\t          break;\n\t        }\n\t      }\n\t      stack['delete'](array);\n\t      stack['delete'](other);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for comparing objects of\n\t     * the same `toStringTag`.\n\t     *\n\t     * **Note:** This function only supports comparing values with tags of\n\t     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {string} tag The `toStringTag` of the objects to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n\t      switch (tag) {\n\t        case dataViewTag:\n\t          if ((object.byteLength != other.byteLength) ||\n\t              (object.byteOffset != other.byteOffset)) {\n\t            return false;\n\t          }\n\t          object = object.buffer;\n\t          other = other.buffer;\n\t\n\t        case arrayBufferTag:\n\t          if ((object.byteLength != other.byteLength) ||\n\t              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n\t            return false;\n\t          }\n\t          return true;\n\t\n\t        case boolTag:\n\t        case dateTag:\n\t        case numberTag:\n\t          // Coerce booleans to `1` or `0` and dates to milliseconds.\n\t          // Invalid dates are coerced to `NaN`.\n\t          return eq(+object, +other);\n\t\n\t        case errorTag:\n\t          return object.name == other.name && object.message == other.message;\n\t\n\t        case regexpTag:\n\t        case stringTag:\n\t          // Coerce regexes to strings and treat strings, primitives and objects,\n\t          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n\t          // for more details.\n\t          return object == (other + '');\n\t\n\t        case mapTag:\n\t          var convert = mapToArray;\n\t\n\t        case setTag:\n\t          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n\t          convert || (convert = setToArray);\n\t\n\t          if (object.size != other.size && !isPartial) {\n\t            return false;\n\t          }\n\t          // Assume cyclic values are equal.\n\t          var stacked = stack.get(object);\n\t          if (stacked) {\n\t            return stacked == other;\n\t          }\n\t          bitmask |= COMPARE_UNORDERED_FLAG;\n\t\n\t          // Recursively compare objects (susceptible to call stack limits).\n\t          stack.set(object, other);\n\t          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n\t          stack['delete'](object);\n\t          return result;\n\t\n\t        case symbolTag:\n\t          if (symbolValueOf) {\n\t            return symbolValueOf.call(object) == symbolValueOf.call(other);\n\t          }\n\t      }\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for objects with support for\n\t     * partial deep comparisons.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n\t      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n\t          objProps = getAllKeys(object),\n\t          objLength = objProps.length,\n\t          othProps = getAllKeys(other),\n\t          othLength = othProps.length;\n\t\n\t      if (objLength != othLength && !isPartial) {\n\t        return false;\n\t      }\n\t      var index = objLength;\n\t      while (index--) {\n\t        var key = objProps[index];\n\t        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n\t          return false;\n\t        }\n\t      }\n\t      // Assume cyclic values are equal.\n\t      var stacked = stack.get(object);\n\t      if (stacked && stack.get(other)) {\n\t        return stacked == other;\n\t      }\n\t      var result = true;\n\t      stack.set(object, other);\n\t      stack.set(other, object);\n\t\n\t      var skipCtor = isPartial;\n\t      while (++index < objLength) {\n\t        key = objProps[index];\n\t        var objValue = object[key],\n\t            othValue = other[key];\n\t\n\t        if (customizer) {\n\t          var compared = isPartial\n\t            ? customizer(othValue, objValue, key, other, object, stack)\n\t            : customizer(objValue, othValue, key, object, other, stack);\n\t        }\n\t        // Recursively compare objects (susceptible to call stack limits).\n\t        if (!(compared === undefined\n\t              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n\t              : compared\n\t            )) {\n\t          result = false;\n\t          break;\n\t        }\n\t        skipCtor || (skipCtor = key == 'constructor');\n\t      }\n\t      if (result && !skipCtor) {\n\t        var objCtor = object.constructor,\n\t            othCtor = other.constructor;\n\t\n\t        // Non `Object` object instances with different constructors are not equal.\n\t        if (objCtor != othCtor &&\n\t            ('constructor' in object && 'constructor' in other) &&\n\t            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n\t              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n\t          result = false;\n\t        }\n\t      }\n\t      stack['delete'](object);\n\t      stack['delete'](other);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseRest` which flattens the rest array.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function flatRest(func) {\n\t      return setToString(overRest(func, undefined, flatten), func + '');\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own enumerable property names and symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function getAllKeys(object) {\n\t      return baseGetAllKeys(object, keys, getSymbols);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own and inherited enumerable property names and\n\t     * symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function getAllKeysIn(object) {\n\t      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n\t    }\n\t\n\t    /**\n\t     * Gets metadata for `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to query.\n\t     * @returns {*} Returns the metadata for `func`.\n\t     */\n\t    var getData = !metaMap ? noop : function(func) {\n\t      return metaMap.get(func);\n\t    };\n\t\n\t    /**\n\t     * Gets the name of `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to query.\n\t     * @returns {string} Returns the function name.\n\t     */\n\t    function getFuncName(func) {\n\t      var result = (func.name + ''),\n\t          array = realNames[result],\n\t          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\t\n\t      while (length--) {\n\t        var data = array[length],\n\t            otherFunc = data.func;\n\t        if (otherFunc == null || otherFunc == func) {\n\t          return data.name;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the argument placeholder value for `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to inspect.\n\t     * @returns {*} Returns the placeholder value.\n\t     */\n\t    function getHolder(func) {\n\t      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n\t      return object.placeholder;\n\t    }\n\t\n\t    /**\n\t     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n\t     * this function returns the custom method, otherwise it returns `baseIteratee`.\n\t     * If arguments are provided, the chosen function is invoked with them and\n\t     * its result is returned.\n\t     *\n\t     * @private\n\t     * @param {*} [value] The value to convert to an iteratee.\n\t     * @param {number} [arity] The arity of the created iteratee.\n\t     * @returns {Function} Returns the chosen function or its result.\n\t     */\n\t    function getIteratee() {\n\t      var result = lodash.iteratee || iteratee;\n\t      result = result === iteratee ? baseIteratee : result;\n\t      return arguments.length ? result(arguments[0], arguments[1]) : result;\n\t    }\n\t\n\t    /**\n\t     * Gets the data for `map`.\n\t     *\n\t     * @private\n\t     * @param {Object} map The map to query.\n\t     * @param {string} key The reference key.\n\t     * @returns {*} Returns the map data.\n\t     */\n\t    function getMapData(map, key) {\n\t      var data = map.__data__;\n\t      return isKeyable(key)\n\t        ? data[typeof key == 'string' ? 'string' : 'hash']\n\t        : data.map;\n\t    }\n\t\n\t    /**\n\t     * Gets the property names, values, and compare flags of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the match data of `object`.\n\t     */\n\t    function getMatchData(object) {\n\t      var result = keys(object),\n\t          length = result.length;\n\t\n\t      while (length--) {\n\t        var key = result[length],\n\t            value = object[key];\n\t\n\t        result[length] = [key, value, isStrictComparable(value)];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the native function at `key` of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {string} key The key of the method to get.\n\t     * @returns {*} Returns the function if it's native, else `undefined`.\n\t     */\n\t    function getNative(object, key) {\n\t      var value = getValue(object, key);\n\t      return baseIsNative(value) ? value : undefined;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the raw `toStringTag`.\n\t     */\n\t    function getRawTag(value) {\n\t      var isOwn = hasOwnProperty.call(value, symToStringTag),\n\t          tag = value[symToStringTag];\n\t\n\t      try {\n\t        value[symToStringTag] = undefined;\n\t        var unmasked = true;\n\t      } catch (e) {}\n\t\n\t      var result = nativeObjectToString.call(value);\n\t      if (unmasked) {\n\t        if (isOwn) {\n\t          value[symToStringTag] = tag;\n\t        } else {\n\t          delete value[symToStringTag];\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own enumerable symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of symbols.\n\t     */\n\t    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n\t      if (object == null) {\n\t        return [];\n\t      }\n\t      object = Object(object);\n\t      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n\t        return propertyIsEnumerable.call(object, symbol);\n\t      });\n\t    };\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of symbols.\n\t     */\n\t    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n\t      var result = [];\n\t      while (object) {\n\t        arrayPush(result, getSymbols(object));\n\t        object = getPrototype(object);\n\t      }\n\t      return result;\n\t    };\n\t\n\t    /**\n\t     * Gets the `toStringTag` of `value`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the `toStringTag`.\n\t     */\n\t    var getTag = baseGetTag;\n\t\n\t    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n\t    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n\t        (Map && getTag(new Map) != mapTag) ||\n\t        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n\t        (Set && getTag(new Set) != setTag) ||\n\t        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n\t      getTag = function(value) {\n\t        var result = baseGetTag(value),\n\t            Ctor = result == objectTag ? value.constructor : undefined,\n\t            ctorString = Ctor ? toSource(Ctor) : '';\n\t\n\t        if (ctorString) {\n\t          switch (ctorString) {\n\t            case dataViewCtorString: return dataViewTag;\n\t            case mapCtorString: return mapTag;\n\t            case promiseCtorString: return promiseTag;\n\t            case setCtorString: return setTag;\n\t            case weakMapCtorString: return weakMapTag;\n\t          }\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n\t     *\n\t     * @private\n\t     * @param {number} start The start of the view.\n\t     * @param {number} end The end of the view.\n\t     * @param {Array} transforms The transformations to apply to the view.\n\t     * @returns {Object} Returns an object containing the `start` and `end`\n\t     *  positions of the view.\n\t     */\n\t    function getView(start, end, transforms) {\n\t      var index = -1,\n\t          length = transforms.length;\n\t\n\t      while (++index < length) {\n\t        var data = transforms[index],\n\t            size = data.size;\n\t\n\t        switch (data.type) {\n\t          case 'drop':      start += size; break;\n\t          case 'dropRight': end -= size; break;\n\t          case 'take':      end = nativeMin(end, start + size); break;\n\t          case 'takeRight': start = nativeMax(start, end - size); break;\n\t        }\n\t      }\n\t      return { 'start': start, 'end': end };\n\t    }\n\t\n\t    /**\n\t     * Extracts wrapper details from the `source` body comment.\n\t     *\n\t     * @private\n\t     * @param {string} source The source to inspect.\n\t     * @returns {Array} Returns the wrapper details.\n\t     */\n\t    function getWrapDetails(source) {\n\t      var match = source.match(reWrapDetails);\n\t      return match ? match[1].split(reSplitDetails) : [];\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` exists on `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @param {Function} hasFunc The function to check properties.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     */\n\t    function hasPath(object, path, hasFunc) {\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length,\n\t          result = false;\n\t\n\t      while (++index < length) {\n\t        var key = toKey(path[index]);\n\t        if (!(result = object != null && hasFunc(object, key))) {\n\t          break;\n\t        }\n\t        object = object[key];\n\t      }\n\t      if (result || ++index != length) {\n\t        return result;\n\t      }\n\t      length = object == null ? 0 : object.length;\n\t      return !!length && isLength(length) && isIndex(key, length) &&\n\t        (isArray(object) || isArguments(object));\n\t    }\n\t\n\t    /**\n\t     * Initializes an array clone.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to clone.\n\t     * @returns {Array} Returns the initialized clone.\n\t     */\n\t    function initCloneArray(array) {\n\t      var length = array.length,\n\t          result = array.constructor(length);\n\t\n\t      // Add properties assigned by `RegExp#exec`.\n\t      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n\t        result.index = array.index;\n\t        result.input = array.input;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Initializes an object clone.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to clone.\n\t     * @returns {Object} Returns the initialized clone.\n\t     */\n\t    function initCloneObject(object) {\n\t      return (typeof object.constructor == 'function' && !isPrototype(object))\n\t        ? baseCreate(getPrototype(object))\n\t        : {};\n\t    }\n\t\n\t    /**\n\t     * Initializes an object clone based on its `toStringTag`.\n\t     *\n\t     * **Note:** This function only supports cloning values with tags of\n\t     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to clone.\n\t     * @param {string} tag The `toStringTag` of the object to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the initialized clone.\n\t     */\n\t    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n\t      var Ctor = object.constructor;\n\t      switch (tag) {\n\t        case arrayBufferTag:\n\t          return cloneArrayBuffer(object);\n\t\n\t        case boolTag:\n\t        case dateTag:\n\t          return new Ctor(+object);\n\t\n\t        case dataViewTag:\n\t          return cloneDataView(object, isDeep);\n\t\n\t        case float32Tag: case float64Tag:\n\t        case int8Tag: case int16Tag: case int32Tag:\n\t        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n\t          return cloneTypedArray(object, isDeep);\n\t\n\t        case mapTag:\n\t          return cloneMap(object, isDeep, cloneFunc);\n\t\n\t        case numberTag:\n\t        case stringTag:\n\t          return new Ctor(object);\n\t\n\t        case regexpTag:\n\t          return cloneRegExp(object);\n\t\n\t        case setTag:\n\t          return cloneSet(object, isDeep, cloneFunc);\n\t\n\t        case symbolTag:\n\t          return cloneSymbol(object);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Inserts wrapper `details` in a comment at the top of the `source` body.\n\t     *\n\t     * @private\n\t     * @param {string} source The source to modify.\n\t     * @returns {Array} details The details to insert.\n\t     * @returns {string} Returns the modified source.\n\t     */\n\t    function insertWrapDetails(source, details) {\n\t      var length = details.length;\n\t      if (!length) {\n\t        return source;\n\t      }\n\t      var lastIndex = length - 1;\n\t      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n\t      details = details.join(length > 2 ? ', ' : ' ');\n\t      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a flattenable `arguments` object or array.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n\t     */\n\t    function isFlattenable(value) {\n\t      return isArray(value) || isArguments(value) ||\n\t        !!(spreadableSymbol && value && value[spreadableSymbol]);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a valid array-like index.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n\t     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n\t     */\n\t    function isIndex(value, length) {\n\t      length = length == null ? MAX_SAFE_INTEGER : length;\n\t      return !!length &&\n\t        (typeof value == 'number' || reIsUint.test(value)) &&\n\t        (value > -1 && value % 1 == 0 && value < length);\n\t    }\n\t\n\t    /**\n\t     * Checks if the given arguments are from an iteratee call.\n\t     *\n\t     * @private\n\t     * @param {*} value The potential iteratee value argument.\n\t     * @param {*} index The potential iteratee index or key argument.\n\t     * @param {*} object The potential iteratee object argument.\n\t     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n\t     *  else `false`.\n\t     */\n\t    function isIterateeCall(value, index, object) {\n\t      if (!isObject(object)) {\n\t        return false;\n\t      }\n\t      var type = typeof index;\n\t      if (type == 'number'\n\t            ? (isArrayLike(object) && isIndex(index, object.length))\n\t            : (type == 'string' && index in object)\n\t          ) {\n\t        return eq(object[index], value);\n\t      }\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a property name and not a property path.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @param {Object} [object] The object to query keys on.\n\t     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n\t     */\n\t    function isKey(value, object) {\n\t      if (isArray(value)) {\n\t        return false;\n\t      }\n\t      var type = typeof value;\n\t      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n\t          value == null || isSymbol(value)) {\n\t        return true;\n\t      }\n\t      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n\t        (object != null && value in Object(object));\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is suitable for use as unique object key.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n\t     */\n\t    function isKeyable(value) {\n\t      var type = typeof value;\n\t      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n\t        ? (value !== '__proto__')\n\t        : (value === null);\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` has a lazy counterpart.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to check.\n\t     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n\t     *  else `false`.\n\t     */\n\t    function isLaziable(func) {\n\t      var funcName = getFuncName(func),\n\t          other = lodash[funcName];\n\t\n\t      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n\t        return false;\n\t      }\n\t      if (func === other) {\n\t        return true;\n\t      }\n\t      var data = getData(other);\n\t      return !!data && func === data[0];\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` has its source masked.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to check.\n\t     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n\t     */\n\t    function isMasked(func) {\n\t      return !!maskSrcKey && (maskSrcKey in func);\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` is capable of being masked.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n\t     */\n\t    var isMaskable = coreJsData ? isFunction : stubFalse;\n\t\n\t    /**\n\t     * Checks if `value` is likely a prototype object.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n\t     */\n\t    function isPrototype(value) {\n\t      var Ctor = value && value.constructor,\n\t          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\t\n\t      return value === proto;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` if suitable for strict\n\t     *  equality comparisons, else `false`.\n\t     */\n\t    function isStrictComparable(value) {\n\t      return value === value && !isObject(value);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `matchesProperty` for source values suitable\n\t     * for strict equality comparisons, i.e. `===`.\n\t     *\n\t     * @private\n\t     * @param {string} key The key of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function matchesStrictComparable(key, srcValue) {\n\t      return function(object) {\n\t        if (object == null) {\n\t          return false;\n\t        }\n\t        return object[key] === srcValue &&\n\t          (srcValue !== undefined || (key in Object(object)));\n\t      };\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.memoize` which clears the memoized function's\n\t     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to have its output memoized.\n\t     * @returns {Function} Returns the new memoized function.\n\t     */\n\t    function memoizeCapped(func) {\n\t      var result = memoize(func, function(key) {\n\t        if (cache.size === MAX_MEMOIZE_SIZE) {\n\t          cache.clear();\n\t        }\n\t        return key;\n\t      });\n\t\n\t      var cache = result.cache;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Merges the function metadata of `source` into `data`.\n\t     *\n\t     * Merging metadata reduces the number of wrappers used to invoke a function.\n\t     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n\t     * may be applied regardless of execution order. Methods like `_.ary` and\n\t     * `_.rearg` modify function arguments, making the order in which they are\n\t     * executed important, preventing the merging of metadata. However, we make\n\t     * an exception for a safe combined case where curried functions have `_.ary`\n\t     * and or `_.rearg` applied.\n\t     *\n\t     * @private\n\t     * @param {Array} data The destination metadata.\n\t     * @param {Array} source The source metadata.\n\t     * @returns {Array} Returns `data`.\n\t     */\n\t    function mergeData(data, source) {\n\t      var bitmask = data[1],\n\t          srcBitmask = source[1],\n\t          newBitmask = bitmask | srcBitmask,\n\t          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\t\n\t      var isCombo =\n\t        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n\t        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n\t        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\t\n\t      // Exit early if metadata can't be merged.\n\t      if (!(isCommon || isCombo)) {\n\t        return data;\n\t      }\n\t      // Use source `thisArg` if available.\n\t      if (srcBitmask & WRAP_BIND_FLAG) {\n\t        data[2] = source[2];\n\t        // Set when currying a bound function.\n\t        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n\t      }\n\t      // Compose partial arguments.\n\t      var value = source[3];\n\t      if (value) {\n\t        var partials = data[3];\n\t        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n\t        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n\t      }\n\t      // Compose partial right arguments.\n\t      value = source[5];\n\t      if (value) {\n\t        partials = data[5];\n\t        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n\t        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n\t      }\n\t      // Use source `argPos` if available.\n\t      value = source[7];\n\t      if (value) {\n\t        data[7] = value;\n\t      }\n\t      // Use source `ary` if it's smaller.\n\t      if (srcBitmask & WRAP_ARY_FLAG) {\n\t        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n\t      }\n\t      // Use source `arity` if one is not provided.\n\t      if (data[9] == null) {\n\t        data[9] = source[9];\n\t      }\n\t      // Use source `func` and merge bitmasks.\n\t      data[0] = source[0];\n\t      data[1] = newBitmask;\n\t\n\t      return data;\n\t    }\n\t\n\t    /**\n\t     * This function is like\n\t     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n\t     * except that it includes inherited enumerable properties.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function nativeKeysIn(object) {\n\t      var result = [];\n\t      if (object != null) {\n\t        for (var key in Object(object)) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a string using `Object.prototype.toString`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to convert.\n\t     * @returns {string} Returns the converted string.\n\t     */\n\t    function objectToString(value) {\n\t      return nativeObjectToString.call(value);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseRest` which transforms the rest array.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @param {Function} transform The rest array transform.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function overRest(func, start, transform) {\n\t      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n\t      return function() {\n\t        var args = arguments,\n\t            index = -1,\n\t            length = nativeMax(args.length - start, 0),\n\t            array = Array(length);\n\t\n\t        while (++index < length) {\n\t          array[index] = args[start + index];\n\t        }\n\t        index = -1;\n\t        var otherArgs = Array(start + 1);\n\t        while (++index < start) {\n\t          otherArgs[index] = args[index];\n\t        }\n\t        otherArgs[start] = transform(array);\n\t        return apply(func, this, otherArgs);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Gets the parent value at `path` of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array} path The path to get the parent value of.\n\t     * @returns {*} Returns the parent value.\n\t     */\n\t    function parent(object, path) {\n\t      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n\t    }\n\t\n\t    /**\n\t     * Reorder `array` according to the specified indexes where the element at\n\t     * the first index is assigned as the first element, the element at\n\t     * the second index is assigned as the second element, and so on.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to reorder.\n\t     * @param {Array} indexes The arranged array indexes.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function reorder(array, indexes) {\n\t      var arrLength = array.length,\n\t          length = nativeMin(indexes.length, arrLength),\n\t          oldArray = copyArray(array);\n\t\n\t      while (length--) {\n\t        var index = indexes[length];\n\t        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Sets metadata for `func`.\n\t     *\n\t     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n\t     * period of time, it will trip its breaker and transition to an identity\n\t     * function to avoid garbage collection pauses in V8. See\n\t     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n\t     * for more details.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to associate metadata with.\n\t     * @param {*} data The metadata.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var setData = shortOut(baseSetData);\n\t\n\t    /**\n\t     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @returns {number|Object} Returns the timer id or timeout object.\n\t     */\n\t    var setTimeout = ctxSetTimeout || function(func, wait) {\n\t      return root.setTimeout(func, wait);\n\t    };\n\t\n\t    /**\n\t     * Sets the `toString` method of `func` to return `string`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to modify.\n\t     * @param {Function} string The `toString` result.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var setToString = shortOut(baseSetToString);\n\t\n\t    /**\n\t     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n\t     * with wrapper details in a comment at the top of the source body.\n\t     *\n\t     * @private\n\t     * @param {Function} wrapper The function to modify.\n\t     * @param {Function} reference The reference function.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @returns {Function} Returns `wrapper`.\n\t     */\n\t    function setWrapToString(wrapper, reference, bitmask) {\n\t      var source = (reference + '');\n\t      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that'll short out and invoke `identity` instead\n\t     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n\t     * milliseconds.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new shortable function.\n\t     */\n\t    function shortOut(func) {\n\t      var count = 0,\n\t          lastCalled = 0;\n\t\n\t      return function() {\n\t        var stamp = nativeNow(),\n\t            remaining = HOT_SPAN - (stamp - lastCalled);\n\t\n\t        lastCalled = stamp;\n\t        if (remaining > 0) {\n\t          if (++count >= HOT_COUNT) {\n\t            return arguments[0];\n\t          }\n\t        } else {\n\t          count = 0;\n\t        }\n\t        return func.apply(undefined, arguments);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to shuffle.\n\t     * @param {number} [size=array.length] The size of `array`.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function shuffleSelf(array, size) {\n\t      var index = -1,\n\t          length = array.length,\n\t          lastIndex = length - 1;\n\t\n\t      size = size === undefined ? length : size;\n\t      while (++index < size) {\n\t        var rand = baseRandom(index, lastIndex),\n\t            value = array[rand];\n\t\n\t        array[rand] = array[index];\n\t        array[index] = value;\n\t      }\n\t      array.length = size;\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to a property path array.\n\t     *\n\t     * @private\n\t     * @param {string} string The string to convert.\n\t     * @returns {Array} Returns the property path array.\n\t     */\n\t    var stringToPath = memoizeCapped(function(string) {\n\t      var result = [];\n\t      if (reLeadingDot.test(string)) {\n\t        result.push('');\n\t      }\n\t      string.replace(rePropName, function(match, number, quote, string) {\n\t        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n\t      });\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Converts `value` to a string key if it's not a string or symbol.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {string|symbol} Returns the key.\n\t     */\n\t    function toKey(value) {\n\t      if (typeof value == 'string' || isSymbol(value)) {\n\t        return value;\n\t      }\n\t      var result = (value + '');\n\t      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t    }\n\t\n\t    /**\n\t     * Converts `func` to its source code.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to convert.\n\t     * @returns {string} Returns the source code.\n\t     */\n\t    function toSource(func) {\n\t      if (func != null) {\n\t        try {\n\t          return funcToString.call(func);\n\t        } catch (e) {}\n\t        try {\n\t          return (func + '');\n\t        } catch (e) {}\n\t      }\n\t      return '';\n\t    }\n\t\n\t    /**\n\t     * Updates wrapper `details` based on `bitmask` flags.\n\t     *\n\t     * @private\n\t     * @returns {Array} details The details to modify.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @returns {Array} Returns `details`.\n\t     */\n\t    function updateWrapDetails(details, bitmask) {\n\t      arrayEach(wrapFlags, function(pair) {\n\t        var value = '_.' + pair[0];\n\t        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n\t          details.push(value);\n\t        }\n\t      });\n\t      return details.sort();\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `wrapper`.\n\t     *\n\t     * @private\n\t     * @param {Object} wrapper The wrapper to clone.\n\t     * @returns {Object} Returns the cloned wrapper.\n\t     */\n\t    function wrapperClone(wrapper) {\n\t      if (wrapper instanceof LazyWrapper) {\n\t        return wrapper.clone();\n\t      }\n\t      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n\t      result.__actions__ = copyArray(wrapper.__actions__);\n\t      result.__index__  = wrapper.__index__;\n\t      result.__values__ = wrapper.__values__;\n\t      return result;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an array of elements split into groups the length of `size`.\n\t     * If `array` can't be split evenly, the final chunk will be the remaining\n\t     * elements.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to process.\n\t     * @param {number} [size=1] The length of each chunk\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the new array of chunks.\n\t     * @example\n\t     *\n\t     * _.chunk(['a', 'b', 'c', 'd'], 2);\n\t     * // => [['a', 'b'], ['c', 'd']]\n\t     *\n\t     * _.chunk(['a', 'b', 'c', 'd'], 3);\n\t     * // => [['a', 'b', 'c'], ['d']]\n\t     */\n\t    function chunk(array, size, guard) {\n\t      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n\t        size = 1;\n\t      } else {\n\t        size = nativeMax(toInteger(size), 0);\n\t      }\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length || size < 1) {\n\t        return [];\n\t      }\n\t      var index = 0,\n\t          resIndex = 0,\n\t          result = Array(nativeCeil(length / size));\n\t\n\t      while (index < length) {\n\t        result[resIndex++] = baseSlice(array, index, (index += size));\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an array with all falsey values removed. The values `false`, `null`,\n\t     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to compact.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.compact([0, 1, false, 2, '', 3]);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function compact(array) {\n\t      var index = -1,\n\t          length = array == null ? 0 : array.length,\n\t          resIndex = 0,\n\t          result = [];\n\t\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (value) {\n\t          result[resIndex++] = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a new array concatenating `array` with any additional arrays\n\t     * and/or values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to concatenate.\n\t     * @param {...*} [values] The values to concatenate.\n\t     * @returns {Array} Returns the new concatenated array.\n\t     * @example\n\t     *\n\t     * var array = [1];\n\t     * var other = _.concat(array, 2, [3], [[4]]);\n\t     *\n\t     * console.log(other);\n\t     * // => [1, 2, 3, [4]]\n\t     *\n\t     * console.log(array);\n\t     * // => [1]\n\t     */\n\t    function concat() {\n\t      var length = arguments.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      var args = Array(length - 1),\n\t          array = arguments[0],\n\t          index = length;\n\t\n\t      while (index--) {\n\t        args[index - 1] = arguments[index];\n\t      }\n\t      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of `array` values not included in the other given arrays\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. The order and references of result values are\n\t     * determined by the first array.\n\t     *\n\t     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.without, _.xor\n\t     * @example\n\t     *\n\t     * _.difference([2, 1], [2, 3]);\n\t     * // => [1]\n\t     */\n\t    var difference = baseRest(function(array, values) {\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.difference` except that it accepts `iteratee` which\n\t     * is invoked for each element of `array` and `values` to generate the criterion\n\t     * by which they're compared. The order and references of result values are\n\t     * determined by the first array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    var differenceBy = baseRest(function(array, values) {\n\t      var iteratee = last(values);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.difference` except that it accepts `comparator`\n\t     * which is invoked to compare elements of `array` to `values`. The order and\n\t     * references of result values are determined by the first array. The comparator\n\t     * is invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     *\n\t     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n\t     * // => [{ 'x': 2, 'y': 1 }]\n\t     */\n\t    var differenceWith = baseRest(function(array, values) {\n\t      var comparator = last(values);\n\t      if (isArrayLikeObject(comparator)) {\n\t        comparator = undefined;\n\t      }\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements dropped from the beginning.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to drop.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.drop([1, 2, 3]);\n\t     * // => [2, 3]\n\t     *\n\t     * _.drop([1, 2, 3], 2);\n\t     * // => [3]\n\t     *\n\t     * _.drop([1, 2, 3], 5);\n\t     * // => []\n\t     *\n\t     * _.drop([1, 2, 3], 0);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function drop(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      return baseSlice(array, n < 0 ? 0 : n, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements dropped from the end.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to drop.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.dropRight([1, 2, 3]);\n\t     * // => [1, 2]\n\t     *\n\t     * _.dropRight([1, 2, 3], 2);\n\t     * // => [1]\n\t     *\n\t     * _.dropRight([1, 2, 3], 5);\n\t     * // => []\n\t     *\n\t     * _.dropRight([1, 2, 3], 0);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function dropRight(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      n = length - n;\n\t      return baseSlice(array, 0, n < 0 ? 0 : n);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` excluding elements dropped from the end.\n\t     * Elements are dropped until `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.dropRightWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.dropRightWhile(users, ['active', false]);\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.dropRightWhile(users, 'active');\n\t     * // => objects for ['barney', 'fred', 'pebbles']\n\t     */\n\t    function dropRightWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` excluding elements dropped from the beginning.\n\t     * Elements are dropped until `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.dropWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.dropWhile(users, ['active', false]);\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.dropWhile(users, 'active');\n\t     * // => objects for ['barney', 'fred', 'pebbles']\n\t     */\n\t    function dropWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Fills elements of `array` with `value` from `start` up to, but not\n\t     * including, `end`.\n\t     *\n\t     * **Note:** This method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Array\n\t     * @param {Array} array The array to fill.\n\t     * @param {*} value The value to fill `array` with.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _.fill(array, 'a');\n\t     * console.log(array);\n\t     * // => ['a', 'a', 'a']\n\t     *\n\t     * _.fill(Array(3), 2);\n\t     * // => [2, 2, 2]\n\t     *\n\t     * _.fill([4, 6, 8, 10], '*', 1, 3);\n\t     * // => [4, '*', '*', 10]\n\t     */\n\t    function fill(array, value, start, end) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n\t        start = 0;\n\t        end = length;\n\t      }\n\t      return baseFill(array, value, start, end);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.find` except that it returns the index of the first\n\t     * element `predicate` returns truthy for instead of the element itself.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {number} Returns the index of the found element, else `-1`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n\t     * // => 0\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findIndex(users, { 'user': 'fred', 'active': false });\n\t     * // => 1\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findIndex(users, ['active', false]);\n\t     * // => 0\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findIndex(users, 'active');\n\t     * // => 2\n\t     */\n\t    function findIndex(array, predicate, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\t      if (index < 0) {\n\t        index = nativeMax(length + index, 0);\n\t      }\n\t      return baseFindIndex(array, getIteratee(predicate, 3), index);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.findIndex` except that it iterates over elements\n\t     * of `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=array.length-1] The index to search from.\n\t     * @returns {number} Returns the index of the found element, else `-1`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n\t     * // => 2\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n\t     * // => 0\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findLastIndex(users, ['active', false]);\n\t     * // => 2\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findLastIndex(users, 'active');\n\t     * // => 0\n\t     */\n\t    function findLastIndex(array, predicate, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = length - 1;\n\t      if (fromIndex !== undefined) {\n\t        index = toInteger(fromIndex);\n\t        index = fromIndex < 0\n\t          ? nativeMax(length + index, 0)\n\t          : nativeMin(index, length - 1);\n\t      }\n\t      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n\t    }\n\t\n\t    /**\n\t     * Flattens `array` a single level deep.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * _.flatten([1, [2, [3, [4]], 5]]);\n\t     * // => [1, 2, [3, [4]], 5]\n\t     */\n\t    function flatten(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseFlatten(array, 1) : [];\n\t    }\n\t\n\t    /**\n\t     * Recursively flattens `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n\t     * // => [1, 2, 3, 4, 5]\n\t     */\n\t    function flattenDeep(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseFlatten(array, INFINITY) : [];\n\t    }\n\t\n\t    /**\n\t     * Recursively flatten `array` up to `depth` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.4.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @param {number} [depth=1] The maximum recursion depth.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * var array = [1, [2, [3, [4]], 5]];\n\t     *\n\t     * _.flattenDepth(array, 1);\n\t     * // => [1, 2, [3, [4]], 5]\n\t     *\n\t     * _.flattenDepth(array, 2);\n\t     * // => [1, 2, 3, [4], 5]\n\t     */\n\t    function flattenDepth(array, depth) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      depth = depth === undefined ? 1 : toInteger(depth);\n\t      return baseFlatten(array, depth);\n\t    }\n\t\n\t    /**\n\t     * The inverse of `_.toPairs`; this method returns an object composed\n\t     * from key-value `pairs`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} pairs The key-value pairs.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.fromPairs([['a', 1], ['b', 2]]);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    function fromPairs(pairs) {\n\t      var index = -1,\n\t          length = pairs == null ? 0 : pairs.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var pair = pairs[index];\n\t        result[pair[0]] = pair[1];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the first element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias first\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {*} Returns the first element of `array`.\n\t     * @example\n\t     *\n\t     * _.head([1, 2, 3]);\n\t     * // => 1\n\t     *\n\t     * _.head([]);\n\t     * // => undefined\n\t     */\n\t    function head(array) {\n\t      return (array && array.length) ? array[0] : undefined;\n\t    }\n\t\n\t    /**\n\t     * Gets the index at which the first occurrence of `value` is found in `array`\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. If `fromIndex` is negative, it's used as the\n\t     * offset from the end of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.indexOf([1, 2, 1, 2], 2);\n\t     * // => 1\n\t     *\n\t     * // Search from the `fromIndex`.\n\t     * _.indexOf([1, 2, 1, 2], 2, 2);\n\t     * // => 3\n\t     */\n\t    function indexOf(array, value, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\t      if (index < 0) {\n\t        index = nativeMax(length + index, 0);\n\t      }\n\t      return baseIndexOf(array, value, index);\n\t    }\n\t\n\t    /**\n\t     * Gets all but the last element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.initial([1, 2, 3]);\n\t     * // => [1, 2]\n\t     */\n\t    function initial(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseSlice(array, 0, -1) : [];\n\t    }\n\t\n\t    /**\n\t     * Creates an array of unique values that are included in all given arrays\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. The order and references of result values are\n\t     * determined by the first array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * _.intersection([2, 1], [2, 3]);\n\t     * // => [2]\n\t     */\n\t    var intersection = baseRest(function(arrays) {\n\t      var mapped = arrayMap(arrays, castArrayLikeObject);\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.intersection` except that it accepts `iteratee`\n\t     * which is invoked for each element of each `arrays` to generate the criterion\n\t     * by which they're compared. The order and references of result values are\n\t     * determined by the first array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [2.1]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }]\n\t     */\n\t    var intersectionBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays),\n\t          mapped = arrayMap(arrays, castArrayLikeObject);\n\t\n\t      if (iteratee === last(mapped)) {\n\t        iteratee = undefined;\n\t      } else {\n\t        mapped.pop();\n\t      }\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.intersection` except that it accepts `comparator`\n\t     * which is invoked to compare elements of `arrays`. The order and references\n\t     * of result values are determined by the first array. The comparator is\n\t     * invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.intersectionWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }]\n\t     */\n\t    var intersectionWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays),\n\t          mapped = arrayMap(arrays, castArrayLikeObject);\n\t\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      if (comparator) {\n\t        mapped.pop();\n\t      }\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped, undefined, comparator)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Converts all elements in `array` into a string separated by `separator`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to convert.\n\t     * @param {string} [separator=','] The element separator.\n\t     * @returns {string} Returns the joined string.\n\t     * @example\n\t     *\n\t     * _.join(['a', 'b', 'c'], '~');\n\t     * // => 'a~b~c'\n\t     */\n\t    function join(array, separator) {\n\t      return array == null ? '' : nativeJoin.call(array, separator);\n\t    }\n\t\n\t    /**\n\t     * Gets the last element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {*} Returns the last element of `array`.\n\t     * @example\n\t     *\n\t     * _.last([1, 2, 3]);\n\t     * // => 3\n\t     */\n\t    function last(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? array[length - 1] : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.indexOf` except that it iterates over elements of\n\t     * `array` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=array.length-1] The index to search from.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.lastIndexOf([1, 2, 1, 2], 2);\n\t     * // => 3\n\t     *\n\t     * // Search from the `fromIndex`.\n\t     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n\t     * // => 1\n\t     */\n\t    function lastIndexOf(array, value, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = length;\n\t      if (fromIndex !== undefined) {\n\t        index = toInteger(fromIndex);\n\t        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n\t      }\n\t      return value === value\n\t        ? strictLastIndexOf(array, value, index)\n\t        : baseFindIndex(array, baseIsNaN, index, true);\n\t    }\n\t\n\t    /**\n\t     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n\t     * element from the end is returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.11.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=0] The index of the element to return.\n\t     * @returns {*} Returns the nth element of `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'd'];\n\t     *\n\t     * _.nth(array, 1);\n\t     * // => 'b'\n\t     *\n\t     * _.nth(array, -2);\n\t     * // => 'c';\n\t     */\n\t    function nth(array, n) {\n\t      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n\t    }\n\t\n\t    /**\n\t     * Removes all given values from `array` using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n\t     * to remove elements from an array by predicate.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {...*} [values] The values to remove.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n\t     *\n\t     * _.pull(array, 'a', 'c');\n\t     * console.log(array);\n\t     * // => ['b', 'b']\n\t     */\n\t    var pull = baseRest(pullAll);\n\t\n\t    /**\n\t     * This method is like `_.pull` except that it accepts an array of values to remove.\n\t     *\n\t     * **Note:** Unlike `_.difference`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n\t     *\n\t     * _.pullAll(array, ['a', 'c']);\n\t     * console.log(array);\n\t     * // => ['b', 'b']\n\t     */\n\t    function pullAll(array, values) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values)\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n\t     * invoked for each element of `array` and `values` to generate the criterion\n\t     * by which they're compared. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n\t     *\n\t     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n\t     * console.log(array);\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    function pullAllBy(array, values, iteratee) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values, getIteratee(iteratee, 2))\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.pullAll` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `array` to `values`. The comparator is\n\t     * invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n\t     *\n\t     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n\t     * console.log(array);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n\t     */\n\t    function pullAllWith(array, values, comparator) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values, undefined, comparator)\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * Removes elements from `array` corresponding to `indexes` and returns an\n\t     * array of removed elements.\n\t     *\n\t     * **Note:** Unlike `_.at`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n\t     * @returns {Array} Returns the new array of removed elements.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'd'];\n\t     * var pulled = _.pullAt(array, [1, 3]);\n\t     *\n\t     * console.log(array);\n\t     * // => ['a', 'c']\n\t     *\n\t     * console.log(pulled);\n\t     * // => ['b', 'd']\n\t     */\n\t    var pullAt = flatRest(function(array, indexes) {\n\t      var length = array == null ? 0 : array.length,\n\t          result = baseAt(array, indexes);\n\t\n\t      basePullAt(array, arrayMap(indexes, function(index) {\n\t        return isIndex(index, length) ? +index : index;\n\t      }).sort(compareAscending));\n\t\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Removes all elements from `array` that `predicate` returns truthy for\n\t     * and returns an array of the removed elements. The predicate is invoked\n\t     * with three arguments: (value, index, array).\n\t     *\n\t     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n\t     * to pull elements from an array by value.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new array of removed elements.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3, 4];\n\t     * var evens = _.remove(array, function(n) {\n\t     *   return n % 2 == 0;\n\t     * });\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 3]\n\t     *\n\t     * console.log(evens);\n\t     * // => [2, 4]\n\t     */\n\t    function remove(array, predicate) {\n\t      var result = [];\n\t      if (!(array && array.length)) {\n\t        return result;\n\t      }\n\t      var index = -1,\n\t          indexes = [],\n\t          length = array.length;\n\t\n\t      predicate = getIteratee(predicate, 3);\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (predicate(value, index, array)) {\n\t          result.push(value);\n\t          indexes.push(index);\n\t        }\n\t      }\n\t      basePullAt(array, indexes);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Reverses `array` so that the first element becomes the last, the second\n\t     * element becomes the second to last, and so on.\n\t     *\n\t     * **Note:** This method mutates `array` and is based on\n\t     * [`Array#reverse`](https://mdn.io/Array/reverse).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _.reverse(array);\n\t     * // => [3, 2, 1]\n\t     *\n\t     * console.log(array);\n\t     * // => [3, 2, 1]\n\t     */\n\t    function reverse(array) {\n\t      return array == null ? array : nativeReverse.call(array);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` from `start` up to, but not including, `end`.\n\t     *\n\t     * **Note:** This method is used instead of\n\t     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n\t     * returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to slice.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function slice(array, start, end) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n\t        start = 0;\n\t        end = length;\n\t      }\n\t      else {\n\t        start = start == null ? 0 : toInteger(start);\n\t        end = end === undefined ? length : toInteger(end);\n\t      }\n\t      return baseSlice(array, start, end);\n\t    }\n\t\n\t    /**\n\t     * Uses a binary search to determine the lowest index at which `value`\n\t     * should be inserted into `array` in order to maintain its sort order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * _.sortedIndex([30, 50], 40);\n\t     * // => 1\n\t     */\n\t    function sortedIndex(array, value) {\n\t      return baseSortedIndex(array, value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n\t     * which is invoked for `value` and each element of `array` to compute their\n\t     * sort ranking. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n\t     *\n\t     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n\t     * // => 0\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n\t     * // => 0\n\t     */\n\t    function sortedIndexBy(array, value, iteratee) {\n\t      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.indexOf` except that it performs a binary\n\t     * search on a sorted `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n\t     * // => 1\n\t     */\n\t    function sortedIndexOf(array, value) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (length) {\n\t        var index = baseSortedIndex(array, value);\n\t        if (index < length && eq(array[index], value)) {\n\t          return index;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedIndex` except that it returns the highest\n\t     * index at which `value` should be inserted into `array` in order to\n\t     * maintain its sort order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n\t     * // => 4\n\t     */\n\t    function sortedLastIndex(array, value) {\n\t      return baseSortedIndex(array, value, true);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n\t     * which is invoked for `value` and each element of `array` to compute their\n\t     * sort ranking. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n\t     *\n\t     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n\t     * // => 1\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n\t     * // => 1\n\t     */\n\t    function sortedLastIndexBy(array, value, iteratee) {\n\t      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.lastIndexOf` except that it performs a binary\n\t     * search on a sorted `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n\t     * // => 3\n\t     */\n\t    function sortedLastIndexOf(array, value) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (length) {\n\t        var index = baseSortedIndex(array, value, true) - 1;\n\t        if (eq(array[index], value)) {\n\t          return index;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it's designed and optimized\n\t     * for sorted arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.sortedUniq([1, 1, 2]);\n\t     * // => [1, 2]\n\t     */\n\t    function sortedUniq(array) {\n\t      return (array && array.length)\n\t        ? baseSortedUniq(array)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniqBy` except that it's designed and optimized\n\t     * for sorted arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n\t     * // => [1.1, 2.3]\n\t     */\n\t    function sortedUniqBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Gets all but the first element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.tail([1, 2, 3]);\n\t     * // => [2, 3]\n\t     */\n\t    function tail(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseSlice(array, 1, length) : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements taken from the beginning.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to take.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.take([1, 2, 3]);\n\t     * // => [1]\n\t     *\n\t     * _.take([1, 2, 3], 2);\n\t     * // => [1, 2]\n\t     *\n\t     * _.take([1, 2, 3], 5);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * _.take([1, 2, 3], 0);\n\t     * // => []\n\t     */\n\t    function take(array, n, guard) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      return baseSlice(array, 0, n < 0 ? 0 : n);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements taken from the end.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to take.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.takeRight([1, 2, 3]);\n\t     * // => [3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 2);\n\t     * // => [2, 3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 5);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 0);\n\t     * // => []\n\t     */\n\t    function takeRight(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      n = length - n;\n\t      return baseSlice(array, n < 0 ? 0 : n, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with elements taken from the end. Elements are\n\t     * taken until `predicate` returns falsey. The predicate is invoked with\n\t     * three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.takeRightWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.takeRightWhile(users, ['active', false]);\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.takeRightWhile(users, 'active');\n\t     * // => []\n\t     */\n\t    function takeRightWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with elements taken from the beginning. Elements\n\t     * are taken until `predicate` returns falsey. The predicate is invoked with\n\t     * three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.takeWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.takeWhile(users, ['active', false]);\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.takeWhile(users, 'active');\n\t     * // => []\n\t     */\n\t    function takeWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3))\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates an array of unique values, in order, from all given arrays using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * _.union([2], [1, 2]);\n\t     * // => [2, 1]\n\t     */\n\t    var union = baseRest(function(arrays) {\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.union` except that it accepts `iteratee` which is\n\t     * invoked for each element of each `arrays` to generate the criterion by\n\t     * which uniqueness is computed. Result values are chosen from the first\n\t     * array in which the value occurs. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n\t     * // => [2.1, 1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }, { 'x': 2 }]\n\t     */\n\t    var unionBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.union` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `arrays`. Result values are chosen from\n\t     * the first array in which the value occurs. The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.unionWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n\t     */\n\t    var unionWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays);\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n\t    });\n\t\n\t    /**\n\t     * Creates a duplicate-free version of an array, using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons, in which only the first occurrence of each element\n\t     * is kept. The order of result values is determined by the order they occur\n\t     * in the array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.uniq([2, 1, 2]);\n\t     * // => [2, 1]\n\t     */\n\t    function uniq(array) {\n\t      return (array && array.length) ? baseUniq(array) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * uniqueness is computed. The order of result values is determined by the\n\t     * order they occur in the array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n\t     * // => [2.1, 1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }, { 'x': 2 }]\n\t     */\n\t    function uniqBy(array, iteratee) {\n\t      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `array`. The order of result values is\n\t     * determined by the order they occur in the array.The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.uniqWith(objects, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n\t     */\n\t    function uniqWith(array, comparator) {\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zip` except that it accepts an array of grouped\n\t     * elements and creates an array regrouping the elements to their pre-zip\n\t     * configuration.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.2.0\n\t     * @category Array\n\t     * @param {Array} array The array of grouped elements to process.\n\t     * @returns {Array} Returns the new array of regrouped elements.\n\t     * @example\n\t     *\n\t     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n\t     * // => [['a', 1, true], ['b', 2, false]]\n\t     *\n\t     * _.unzip(zipped);\n\t     * // => [['a', 'b'], [1, 2], [true, false]]\n\t     */\n\t    function unzip(array) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      var length = 0;\n\t      array = arrayFilter(array, function(group) {\n\t        if (isArrayLikeObject(group)) {\n\t          length = nativeMax(group.length, length);\n\t          return true;\n\t        }\n\t      });\n\t      return baseTimes(length, function(index) {\n\t        return arrayMap(array, baseProperty(index));\n\t      });\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n\t     * how regrouped values should be combined. The iteratee is invoked with the\n\t     * elements of each group: (...group).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Array\n\t     * @param {Array} array The array of grouped elements to process.\n\t     * @param {Function} [iteratee=_.identity] The function to combine\n\t     *  regrouped values.\n\t     * @returns {Array} Returns the new array of regrouped elements.\n\t     * @example\n\t     *\n\t     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n\t     * // => [[1, 10, 100], [2, 20, 200]]\n\t     *\n\t     * _.unzipWith(zipped, _.add);\n\t     * // => [3, 30, 300]\n\t     */\n\t    function unzipWith(array, iteratee) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      var result = unzip(array);\n\t      if (iteratee == null) {\n\t        return result;\n\t      }\n\t      return arrayMap(result, function(group) {\n\t        return apply(iteratee, undefined, group);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates an array excluding all given values using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * **Note:** Unlike `_.pull`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...*} [values] The values to exclude.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.difference, _.xor\n\t     * @example\n\t     *\n\t     * _.without([2, 1, 2, 3], 1, 2);\n\t     * // => [3]\n\t     */\n\t    var without = baseRest(function(array, values) {\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, values)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Creates an array of unique values that is the\n\t     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n\t     * of the given arrays. The order of result values is determined by the order\n\t     * they occur in the arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.difference, _.without\n\t     * @example\n\t     *\n\t     * _.xor([2, 1], [2, 3]);\n\t     * // => [1, 3]\n\t     */\n\t    var xor = baseRest(function(arrays) {\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.xor` except that it accepts `iteratee` which is\n\t     * invoked for each element of each `arrays` to generate the criterion by\n\t     * which by which they're compared. The order of result values is determined\n\t     * by the order they occur in the arrays. The iteratee is invoked with one\n\t     * argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [1.2, 3.4]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    var xorBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.xor` except that it accepts `comparator` which is\n\t     * invoked to compare elements of `arrays`. The order of result values is\n\t     * determined by the order they occur in the arrays. The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.xorWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n\t     */\n\t    var xorWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays);\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of grouped elements, the first of which contains the\n\t     * first elements of the given arrays, the second of which contains the\n\t     * second elements of the given arrays, and so on.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to process.\n\t     * @returns {Array} Returns the new array of grouped elements.\n\t     * @example\n\t     *\n\t     * _.zip(['a', 'b'], [1, 2], [true, false]);\n\t     * // => [['a', 1, true], ['b', 2, false]]\n\t     */\n\t    var zip = baseRest(unzip);\n\t\n\t    /**\n\t     * This method is like `_.fromPairs` except that it accepts two arrays,\n\t     * one of property identifiers and one of corresponding values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.4.0\n\t     * @category Array\n\t     * @param {Array} [props=[]] The property identifiers.\n\t     * @param {Array} [values=[]] The property values.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.zipObject(['a', 'b'], [1, 2]);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    function zipObject(props, values) {\n\t      return baseZipObject(props || [], values || [], assignValue);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zipObject` except that it supports property paths.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.1.0\n\t     * @category Array\n\t     * @param {Array} [props=[]] The property identifiers.\n\t     * @param {Array} [values=[]] The property values.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n\t     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n\t     */\n\t    function zipObjectDeep(props, values) {\n\t      return baseZipObject(props || [], values || [], baseSet);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zip` except that it accepts `iteratee` to specify\n\t     * how grouped values should be combined. The iteratee is invoked with the\n\t     * elements of each group: (...group).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to process.\n\t     * @param {Function} [iteratee=_.identity] The function to combine\n\t     *  grouped values.\n\t     * @returns {Array} Returns the new array of grouped elements.\n\t     * @example\n\t     *\n\t     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n\t     *   return a + b + c;\n\t     * });\n\t     * // => [111, 222]\n\t     */\n\t    var zipWith = baseRest(function(arrays) {\n\t      var length = arrays.length,\n\t          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\t\n\t      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n\t      return unzipWith(arrays, iteratee);\n\t    });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n\t     * chain sequences enabled. The result of such sequences must be unwrapped\n\t     * with `_#value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.3.0\n\t     * @category Seq\n\t     * @param {*} value The value to wrap.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36 },\n\t     *   { 'user': 'fred',    'age': 40 },\n\t     *   { 'user': 'pebbles', 'age': 1 }\n\t     * ];\n\t     *\n\t     * var youngest = _\n\t     *   .chain(users)\n\t     *   .sortBy('age')\n\t     *   .map(function(o) {\n\t     *     return o.user + ' is ' + o.age;\n\t     *   })\n\t     *   .head()\n\t     *   .value();\n\t     * // => 'pebbles is 1'\n\t     */\n\t    function chain(value) {\n\t      var result = lodash(value);\n\t      result.__chain__ = true;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method invokes `interceptor` and returns `value`. The interceptor\n\t     * is invoked with one argument; (value). The purpose of this method is to\n\t     * \"tap into\" a method chain sequence in order to modify intermediate results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @param {*} value The value to provide to `interceptor`.\n\t     * @param {Function} interceptor The function to invoke.\n\t     * @returns {*} Returns `value`.\n\t     * @example\n\t     *\n\t     * _([1, 2, 3])\n\t     *  .tap(function(array) {\n\t     *    // Mutate input array.\n\t     *    array.pop();\n\t     *  })\n\t     *  .reverse()\n\t     *  .value();\n\t     * // => [2, 1]\n\t     */\n\t    function tap(value, interceptor) {\n\t      interceptor(value);\n\t      return value;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.tap` except that it returns the result of `interceptor`.\n\t     * The purpose of this method is to \"pass thru\" values replacing intermediate\n\t     * results in a method chain sequence.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Seq\n\t     * @param {*} value The value to provide to `interceptor`.\n\t     * @param {Function} interceptor The function to invoke.\n\t     * @returns {*} Returns the result of `interceptor`.\n\t     * @example\n\t     *\n\t     * _('  abc  ')\n\t     *  .chain()\n\t     *  .trim()\n\t     *  .thru(function(value) {\n\t     *    return [value];\n\t     *  })\n\t     *  .value();\n\t     * // => ['abc']\n\t     */\n\t    function thru(value, interceptor) {\n\t      return interceptor(value);\n\t    }\n\t\n\t    /**\n\t     * This method is the wrapper version of `_.at`.\n\t     *\n\t     * @name at\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Seq\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t     *\n\t     * _(object).at(['a[0].b.c', 'a[1]']).value();\n\t     * // => [3, 4]\n\t     */\n\t    var wrapperAt = flatRest(function(paths) {\n\t      var length = paths.length,\n\t          start = length ? paths[0] : 0,\n\t          value = this.__wrapped__,\n\t          interceptor = function(object) { return baseAt(object, paths); };\n\t\n\t      if (length > 1 || this.__actions__.length ||\n\t          !(value instanceof LazyWrapper) || !isIndex(start)) {\n\t        return this.thru(interceptor);\n\t      }\n\t      value = value.slice(start, +start + (length ? 1 : 0));\n\t      value.__actions__.push({\n\t        'func': thru,\n\t        'args': [interceptor],\n\t        'thisArg': undefined\n\t      });\n\t      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n\t        if (length && !array.length) {\n\t          array.push(undefined);\n\t        }\n\t        return array;\n\t      });\n\t    });\n\t\n\t    /**\n\t     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n\t     *\n\t     * @name chain\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36 },\n\t     *   { 'user': 'fred',   'age': 40 }\n\t     * ];\n\t     *\n\t     * // A sequence without explicit chaining.\n\t     * _(users).head();\n\t     * // => { 'user': 'barney', 'age': 36 }\n\t     *\n\t     * // A sequence with explicit chaining.\n\t     * _(users)\n\t     *   .chain()\n\t     *   .head()\n\t     *   .pick('user')\n\t     *   .value();\n\t     * // => { 'user': 'barney' }\n\t     */\n\t    function wrapperChain() {\n\t      return chain(this);\n\t    }\n\t\n\t    /**\n\t     * Executes the chain sequence and returns the wrapped result.\n\t     *\n\t     * @name commit\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var array = [1, 2];\n\t     * var wrapped = _(array).push(3);\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 2]\n\t     *\n\t     * wrapped = wrapped.commit();\n\t     * console.log(array);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * wrapped.last();\n\t     * // => 3\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function wrapperCommit() {\n\t      return new LodashWrapper(this.value(), this.__chain__);\n\t    }\n\t\n\t    /**\n\t     * Gets the next value on a wrapped object following the\n\t     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n\t     *\n\t     * @name next\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the next iterator value.\n\t     * @example\n\t     *\n\t     * var wrapped = _([1, 2]);\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': false, 'value': 1 }\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': false, 'value': 2 }\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': true, 'value': undefined }\n\t     */\n\t    function wrapperNext() {\n\t      if (this.__values__ === undefined) {\n\t        this.__values__ = toArray(this.value());\n\t      }\n\t      var done = this.__index__ >= this.__values__.length,\n\t          value = done ? undefined : this.__values__[this.__index__++];\n\t\n\t      return { 'done': done, 'value': value };\n\t    }\n\t\n\t    /**\n\t     * Enables the wrapper to be iterable.\n\t     *\n\t     * @name Symbol.iterator\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the wrapper object.\n\t     * @example\n\t     *\n\t     * var wrapped = _([1, 2]);\n\t     *\n\t     * wrapped[Symbol.iterator]() === wrapped;\n\t     * // => true\n\t     *\n\t     * Array.from(wrapped);\n\t     * // => [1, 2]\n\t     */\n\t    function wrapperToIterator() {\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n\t     *\n\t     * @name plant\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Seq\n\t     * @param {*} value The value to plant.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var wrapped = _([1, 2]).map(square);\n\t     * var other = wrapped.plant([3, 4]);\n\t     *\n\t     * other.value();\n\t     * // => [9, 16]\n\t     *\n\t     * wrapped.value();\n\t     * // => [1, 4]\n\t     */\n\t    function wrapperPlant(value) {\n\t      var result,\n\t          parent = this;\n\t\n\t      while (parent instanceof baseLodash) {\n\t        var clone = wrapperClone(parent);\n\t        clone.__index__ = 0;\n\t        clone.__values__ = undefined;\n\t        if (result) {\n\t          previous.__wrapped__ = clone;\n\t        } else {\n\t          result = clone;\n\t        }\n\t        var previous = clone;\n\t        parent = parent.__wrapped__;\n\t      }\n\t      previous.__wrapped__ = value;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is the wrapper version of `_.reverse`.\n\t     *\n\t     * **Note:** This method mutates the wrapped array.\n\t     *\n\t     * @name reverse\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _(array).reverse().value()\n\t     * // => [3, 2, 1]\n\t     *\n\t     * console.log(array);\n\t     * // => [3, 2, 1]\n\t     */\n\t    function wrapperReverse() {\n\t      var value = this.__wrapped__;\n\t      if (value instanceof LazyWrapper) {\n\t        var wrapped = value;\n\t        if (this.__actions__.length) {\n\t          wrapped = new LazyWrapper(this);\n\t        }\n\t        wrapped = wrapped.reverse();\n\t        wrapped.__actions__.push({\n\t          'func': thru,\n\t          'args': [reverse],\n\t          'thisArg': undefined\n\t        });\n\t        return new LodashWrapper(wrapped, this.__chain__);\n\t      }\n\t      return this.thru(reverse);\n\t    }\n\t\n\t    /**\n\t     * Executes the chain sequence to resolve the unwrapped value.\n\t     *\n\t     * @name value\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias toJSON, valueOf\n\t     * @category Seq\n\t     * @returns {*} Returns the resolved unwrapped value.\n\t     * @example\n\t     *\n\t     * _([1, 2, 3]).value();\n\t     * // => [1, 2, 3]\n\t     */\n\t    function wrapperValue() {\n\t      return baseWrapperValue(this.__wrapped__, this.__actions__);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The corresponding value of\n\t     * each key is the number of times the key was returned by `iteratee`. The\n\t     * iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n\t     * // => { '4': 1, '6': 2 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.countBy(['one', 'two', 'three'], 'length');\n\t     * // => { '3': 2, '5': 1 }\n\t     */\n\t    var countBy = createAggregator(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, key)) {\n\t        ++result[key];\n\t      } else {\n\t        baseAssignValue(result, key, 1);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n\t     * Iteration is stopped once `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index|key, collection).\n\t     *\n\t     * **Note:** This method returns `true` for\n\t     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n\t     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n\t     * elements of empty collections.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.every([true, 1, null, 'yes'], Boolean);\n\t     * // => false\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': false },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.every(users, { 'user': 'barney', 'active': false });\n\t     * // => false\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.every(users, ['active', false]);\n\t     * // => true\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.every(users, 'active');\n\t     * // => false\n\t     */\n\t    function every(collection, predicate, guard) {\n\t      var func = isArray(collection) ? arrayEvery : baseEvery;\n\t      if (guard && isIterateeCall(collection, predicate, guard)) {\n\t        predicate = undefined;\n\t      }\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection`, returning an array of all elements\n\t     * `predicate` returns truthy for. The predicate is invoked with three\n\t     * arguments: (value, index|key, collection).\n\t     *\n\t     * **Note:** Unlike `_.remove`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     * @see _.reject\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': true },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * _.filter(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.filter(users, { 'age': 36, 'active': true });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.filter(users, ['active', false]);\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.filter(users, 'active');\n\t     * // => objects for ['barney']\n\t     */\n\t    function filter(collection, predicate) {\n\t      var func = isArray(collection) ? arrayFilter : baseFilter;\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection`, returning the first element\n\t     * `predicate` returns truthy for. The predicate is invoked with three\n\t     * arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {*} Returns the matched element, else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36, 'active': true },\n\t     *   { 'user': 'fred',    'age': 40, 'active': false },\n\t     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n\t     * ];\n\t     *\n\t     * _.find(users, function(o) { return o.age < 40; });\n\t     * // => object for 'barney'\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.find(users, { 'age': 1, 'active': true });\n\t     * // => object for 'pebbles'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.find(users, ['active', false]);\n\t     * // => object for 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.find(users, 'active');\n\t     * // => object for 'barney'\n\t     */\n\t    var find = createFind(findIndex);\n\t\n\t    /**\n\t     * This method is like `_.find` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=collection.length-1] The index to search from.\n\t     * @returns {*} Returns the matched element, else `undefined`.\n\t     * @example\n\t     *\n\t     * _.findLast([1, 2, 3, 4], function(n) {\n\t     *   return n % 2 == 1;\n\t     * });\n\t     * // => 3\n\t     */\n\t    var findLast = createFind(findLastIndex);\n\t\n\t    /**\n\t     * Creates a flattened array of values by running each element in `collection`\n\t     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n\t     * with three arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [n, n];\n\t     * }\n\t     *\n\t     * _.flatMap([1, 2], duplicate);\n\t     * // => [1, 1, 2, 2]\n\t     */\n\t    function flatMap(collection, iteratee) {\n\t      return baseFlatten(map(collection, iteratee), 1);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.flatMap` except that it recursively flattens the\n\t     * mapped results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [[[n, n]]];\n\t     * }\n\t     *\n\t     * _.flatMapDeep([1, 2], duplicate);\n\t     * // => [1, 1, 2, 2]\n\t     */\n\t    function flatMapDeep(collection, iteratee) {\n\t      return baseFlatten(map(collection, iteratee), INFINITY);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.flatMap` except that it recursively flattens the\n\t     * mapped results up to `depth` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {number} [depth=1] The maximum recursion depth.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [[[n, n]]];\n\t     * }\n\t     *\n\t     * _.flatMapDepth([1, 2], duplicate, 2);\n\t     * // => [[1, 1], [2, 2]]\n\t     */\n\t    function flatMapDepth(collection, iteratee, depth) {\n\t      depth = depth === undefined ? 1 : toInteger(depth);\n\t      return baseFlatten(map(collection, iteratee), depth);\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n\t     * The iteratee is invoked with three arguments: (value, index|key, collection).\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n\t     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n\t     * or `_.forOwn` for object iteration.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias each\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     * @see _.forEachRight\n\t     * @example\n\t     *\n\t     * _.forEach([1, 2], function(value) {\n\t     *   console.log(value);\n\t     * });\n\t     * // => Logs `1` then `2`.\n\t     *\n\t     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t     */\n\t    function forEach(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayEach : baseEach;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forEach` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @alias eachRight\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     * @see _.forEach\n\t     * @example\n\t     *\n\t     * _.forEachRight([1, 2], function(value) {\n\t     *   console.log(value);\n\t     * });\n\t     * // => Logs `2` then `1`.\n\t     */\n\t    function forEachRight(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The order of grouped values\n\t     * is determined by the order they occur in `collection`. The corresponding\n\t     * value of each key is an array of elements responsible for generating the\n\t     * key. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n\t     * // => { '4': [4.2], '6': [6.1, 6.3] }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.groupBy(['one', 'two', 'three'], 'length');\n\t     * // => { '3': ['one', 'two'], '5': ['three'] }\n\t     */\n\t    var groupBy = createAggregator(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, key)) {\n\t        result[key].push(value);\n\t      } else {\n\t        baseAssignValue(result, key, [value]);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Checks if `value` is in `collection`. If `collection` is a string, it's\n\t     * checked for a substring of `value`, otherwise\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n\t     * the offset from the end of `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object|string} collection The collection to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n\t     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n\t     * @example\n\t     *\n\t     * _.includes([1, 2, 3], 1);\n\t     * // => true\n\t     *\n\t     * _.includes([1, 2, 3], 1, 2);\n\t     * // => false\n\t     *\n\t     * _.includes({ 'a': 1, 'b': 2 }, 1);\n\t     * // => true\n\t     *\n\t     * _.includes('abcd', 'bc');\n\t     * // => true\n\t     */\n\t    function includes(collection, value, fromIndex, guard) {\n\t      collection = isArrayLike(collection) ? collection : values(collection);\n\t      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\t\n\t      var length = collection.length;\n\t      if (fromIndex < 0) {\n\t        fromIndex = nativeMax(length + fromIndex, 0);\n\t      }\n\t      return isString(collection)\n\t        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n\t        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n\t    }\n\t\n\t    /**\n\t     * Invokes the method at `path` of each element in `collection`, returning\n\t     * an array of the results of each invoked method. Any additional arguments\n\t     * are provided to each invoked method. If `path` is a function, it's invoked\n\t     * for, and `this` bound to, each element in `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Array|Function|string} path The path of the method to invoke or\n\t     *  the function invoked per iteration.\n\t     * @param {...*} [args] The arguments to invoke each method with.\n\t     * @returns {Array} Returns the array of results.\n\t     * @example\n\t     *\n\t     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n\t     * // => [[1, 5, 7], [1, 2, 3]]\n\t     *\n\t     * _.invokeMap([123, 456], String.prototype.split, '');\n\t     * // => [['1', '2', '3'], ['4', '5', '6']]\n\t     */\n\t    var invokeMap = baseRest(function(collection, path, args) {\n\t      var index = -1,\n\t          isFunc = typeof path == 'function',\n\t          result = isArrayLike(collection) ? Array(collection.length) : [];\n\t\n\t      baseEach(collection, function(value) {\n\t        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n\t      });\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The corresponding value of\n\t     * each key is the last element responsible for generating the key. The\n\t     * iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * var array = [\n\t     *   { 'dir': 'left', 'code': 97 },\n\t     *   { 'dir': 'right', 'code': 100 }\n\t     * ];\n\t     *\n\t     * _.keyBy(array, function(o) {\n\t     *   return String.fromCharCode(o.code);\n\t     * });\n\t     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n\t     *\n\t     * _.keyBy(array, 'dir');\n\t     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n\t     */\n\t    var keyBy = createAggregator(function(result, value, key) {\n\t      baseAssignValue(result, key, value);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of values by running each element in `collection` thru\n\t     * `iteratee`. The iteratee is invoked with three arguments:\n\t     * (value, index|key, collection).\n\t     *\n\t     * Many lodash methods are guarded to work as iteratees for methods like\n\t     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n\t     *\n\t     * The guarded methods are:\n\t     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n\t     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n\t     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n\t     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new mapped array.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * _.map([4, 8], square);\n\t     * // => [16, 64]\n\t     *\n\t     * _.map({ 'a': 4, 'b': 8 }, square);\n\t     * // => [16, 64] (iteration order is not guaranteed)\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney' },\n\t     *   { 'user': 'fred' }\n\t     * ];\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.map(users, 'user');\n\t     * // => ['barney', 'fred']\n\t     */\n\t    function map(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayMap : baseMap;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortBy` except that it allows specifying the sort\n\t     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n\t     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n\t     * descending or \"asc\" for ascending sort order of corresponding values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n\t     *  The iteratees to sort by.\n\t     * @param {string[]} [orders] The sort orders of `iteratees`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n\t     * @returns {Array} Returns the new sorted array.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'fred',   'age': 48 },\n\t     *   { 'user': 'barney', 'age': 34 },\n\t     *   { 'user': 'fred',   'age': 40 },\n\t     *   { 'user': 'barney', 'age': 36 }\n\t     * ];\n\t     *\n\t     * // Sort by `user` in ascending order and by `age` in descending order.\n\t     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n\t     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n\t     */\n\t    function orderBy(collection, iteratees, orders, guard) {\n\t      if (collection == null) {\n\t        return [];\n\t      }\n\t      if (!isArray(iteratees)) {\n\t        iteratees = iteratees == null ? [] : [iteratees];\n\t      }\n\t      orders = guard ? undefined : orders;\n\t      if (!isArray(orders)) {\n\t        orders = orders == null ? [] : [orders];\n\t      }\n\t      return baseOrderBy(collection, iteratees, orders);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of elements split into two groups, the first of which\n\t     * contains elements `predicate` returns truthy for, the second of which\n\t     * contains elements `predicate` returns falsey for. The predicate is\n\t     * invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the array of grouped elements.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36, 'active': false },\n\t     *   { 'user': 'fred',    'age': 40, 'active': true },\n\t     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n\t     * ];\n\t     *\n\t     * _.partition(users, function(o) { return o.active; });\n\t     * // => objects for [['fred'], ['barney', 'pebbles']]\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.partition(users, { 'age': 1, 'active': false });\n\t     * // => objects for [['pebbles'], ['barney', 'fred']]\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.partition(users, ['active', false]);\n\t     * // => objects for [['barney', 'pebbles'], ['fred']]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.partition(users, 'active');\n\t     * // => objects for [['fred'], ['barney', 'pebbles']]\n\t     */\n\t    var partition = createAggregator(function(result, value, key) {\n\t      result[key ? 0 : 1].push(value);\n\t    }, function() { return [[], []]; });\n\t\n\t    /**\n\t     * Reduces `collection` to a value which is the accumulated result of running\n\t     * each element in `collection` thru `iteratee`, where each successive\n\t     * invocation is supplied the return value of the previous. If `accumulator`\n\t     * is not given, the first element of `collection` is used as the initial\n\t     * value. The iteratee is invoked with four arguments:\n\t     * (accumulator, value, index|key, collection).\n\t     *\n\t     * Many lodash methods are guarded to work as iteratees for methods like\n\t     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n\t     *\n\t     * The guarded methods are:\n\t     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n\t     * and `sortBy`\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The initial value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @see _.reduceRight\n\t     * @example\n\t     *\n\t     * _.reduce([1, 2], function(sum, n) {\n\t     *   return sum + n;\n\t     * }, 0);\n\t     * // => 3\n\t     *\n\t     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t     *   (result[value] || (result[value] = [])).push(key);\n\t     *   return result;\n\t     * }, {});\n\t     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n\t     */\n\t    function reduce(collection, iteratee, accumulator) {\n\t      var func = isArray(collection) ? arrayReduce : baseReduce,\n\t          initAccum = arguments.length < 3;\n\t\n\t      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.reduce` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The initial value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @see _.reduce\n\t     * @example\n\t     *\n\t     * var array = [[0, 1], [2, 3], [4, 5]];\n\t     *\n\t     * _.reduceRight(array, function(flattened, other) {\n\t     *   return flattened.concat(other);\n\t     * }, []);\n\t     * // => [4, 5, 2, 3, 0, 1]\n\t     */\n\t    function reduceRight(collection, iteratee, accumulator) {\n\t      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n\t          initAccum = arguments.length < 3;\n\t\n\t      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.filter`; this method returns the elements of `collection`\n\t     * that `predicate` does **not** return truthy for.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     * @see _.filter\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': false },\n\t     *   { 'user': 'fred',   'age': 40, 'active': true }\n\t     * ];\n\t     *\n\t     * _.reject(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.reject(users, { 'age': 40, 'active': true });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.reject(users, ['active', false]);\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.reject(users, 'active');\n\t     * // => objects for ['barney']\n\t     */\n\t    function reject(collection, predicate) {\n\t      var func = isArray(collection) ? arrayFilter : baseFilter;\n\t      return func(collection, negate(getIteratee(predicate, 3)));\n\t    }\n\t\n\t    /**\n\t     * Gets a random element from `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @returns {*} Returns the random element.\n\t     * @example\n\t     *\n\t     * _.sample([1, 2, 3, 4]);\n\t     * // => 2\n\t     */\n\t    function sample(collection) {\n\t      var func = isArray(collection) ? arraySample : baseSample;\n\t      return func(collection);\n\t    }\n\t\n\t    /**\n\t     * Gets `n` random elements at unique keys from `collection` up to the\n\t     * size of `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @param {number} [n=1] The number of elements to sample.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the random elements.\n\t     * @example\n\t     *\n\t     * _.sampleSize([1, 2, 3], 2);\n\t     * // => [3, 1]\n\t     *\n\t     * _.sampleSize([1, 2, 3], 4);\n\t     * // => [2, 3, 1]\n\t     */\n\t    function sampleSize(collection, n, guard) {\n\t      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n\t        n = 1;\n\t      } else {\n\t        n = toInteger(n);\n\t      }\n\t      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n\t      return func(collection, n);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of shuffled values, using a version of the\n\t     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     * @example\n\t     *\n\t     * _.shuffle([1, 2, 3, 4]);\n\t     * // => [4, 1, 3, 2]\n\t     */\n\t    function shuffle(collection) {\n\t      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n\t      return func(collection);\n\t    }\n\t\n\t    /**\n\t     * Gets the size of `collection` by returning its length for array-like\n\t     * values or the number of own enumerable string keyed properties for objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object|string} collection The collection to inspect.\n\t     * @returns {number} Returns the collection size.\n\t     * @example\n\t     *\n\t     * _.size([1, 2, 3]);\n\t     * // => 3\n\t     *\n\t     * _.size({ 'a': 1, 'b': 2 });\n\t     * // => 2\n\t     *\n\t     * _.size('pebbles');\n\t     * // => 7\n\t     */\n\t    function size(collection) {\n\t      if (collection == null) {\n\t        return 0;\n\t      }\n\t      if (isArrayLike(collection)) {\n\t        return isString(collection) ? stringSize(collection) : collection.length;\n\t      }\n\t      var tag = getTag(collection);\n\t      if (tag == mapTag || tag == setTag) {\n\t        return collection.size;\n\t      }\n\t      return baseKeys(collection).length;\n\t    }\n\t\n\t    /**\n\t     * Checks if `predicate` returns truthy for **any** element of `collection`.\n\t     * Iteration is stopped once `predicate` returns truthy. The predicate is\n\t     * invoked with three arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.some([null, 0, 'yes', false], Boolean);\n\t     * // => true\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'active': true },\n\t     *   { 'user': 'fred',   'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.some(users, { 'user': 'barney', 'active': false });\n\t     * // => false\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.some(users, ['active', false]);\n\t     * // => true\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.some(users, 'active');\n\t     * // => true\n\t     */\n\t    function some(collection, predicate, guard) {\n\t      var func = isArray(collection) ? arraySome : baseSome;\n\t      if (guard && isIterateeCall(collection, predicate, guard)) {\n\t        predicate = undefined;\n\t      }\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of elements, sorted in ascending order by the results of\n\t     * running each element in a collection thru each iteratee. This method\n\t     * performs a stable sort, that is, it preserves the original sort order of\n\t     * equal elements. The iteratees are invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n\t     *  The iteratees to sort by.\n\t     * @returns {Array} Returns the new sorted array.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'fred',   'age': 48 },\n\t     *   { 'user': 'barney', 'age': 36 },\n\t     *   { 'user': 'fred',   'age': 40 },\n\t     *   { 'user': 'barney', 'age': 34 }\n\t     * ];\n\t     *\n\t     * _.sortBy(users, [function(o) { return o.user; }]);\n\t     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n\t     *\n\t     * _.sortBy(users, ['user', 'age']);\n\t     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n\t     */\n\t    var sortBy = baseRest(function(collection, iteratees) {\n\t      if (collection == null) {\n\t        return [];\n\t      }\n\t      var length = iteratees.length;\n\t      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n\t        iteratees = [];\n\t      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n\t        iteratees = [iteratees[0]];\n\t      }\n\t      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n\t    });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Gets the timestamp of the number of milliseconds that have elapsed since\n\t     * the Unix epoch (1 January 1970 00:00:00 UTC).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Date\n\t     * @returns {number} Returns the timestamp.\n\t     * @example\n\t     *\n\t     * _.defer(function(stamp) {\n\t     *   console.log(_.now() - stamp);\n\t     * }, _.now());\n\t     * // => Logs the number of milliseconds it took for the deferred invocation.\n\t     */\n\t    var now = ctxNow || function() {\n\t      return root.Date.now();\n\t    };\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * The opposite of `_.before`; this method creates a function that invokes\n\t     * `func` once it's called `n` or more times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {number} n The number of calls before `func` is invoked.\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * var saves = ['profile', 'settings'];\n\t     *\n\t     * var done = _.after(saves.length, function() {\n\t     *   console.log('done saving!');\n\t     * });\n\t     *\n\t     * _.forEach(saves, function(type) {\n\t     *   asyncSave({ 'type': type, 'complete': done });\n\t     * });\n\t     * // => Logs 'done saving!' after the two async saves have completed.\n\t     */\n\t    function after(n, func) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      n = toInteger(n);\n\t      return function() {\n\t        if (--n < 1) {\n\t          return func.apply(this, arguments);\n\t        }\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func`, with up to `n` arguments,\n\t     * ignoring any additional arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to cap arguments for.\n\t     * @param {number} [n=func.length] The arity cap.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new capped function.\n\t     * @example\n\t     *\n\t     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n\t     * // => [6, 8, 10]\n\t     */\n\t    function ary(func, n, guard) {\n\t      n = guard ? undefined : n;\n\t      n = (func && n == null) ? func.length : n;\n\t      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func`, with the `this` binding and arguments\n\t     * of the created function, while it's called less than `n` times. Subsequent\n\t     * calls to the created function return the result of the last `func` invocation.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {number} n The number of calls at which `func` is no longer invoked.\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * jQuery(element).on('click', _.before(5, addContactToList));\n\t     * // => Allows adding up to 4 contacts to the list.\n\t     */\n\t    function before(n, func) {\n\t      var result;\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      n = toInteger(n);\n\t      return function() {\n\t        if (--n > 0) {\n\t          result = func.apply(this, arguments);\n\t        }\n\t        if (n <= 1) {\n\t          func = undefined;\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n\t     * and `partials` prepended to the arguments it receives.\n\t     *\n\t     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n\t     * may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n\t     * property of bound functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to bind.\n\t     * @param {*} thisArg The `this` binding of `func`.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new bound function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, punctuation) {\n\t     *   return greeting + ' ' + this.user + punctuation;\n\t     * }\n\t     *\n\t     * var object = { 'user': 'fred' };\n\t     *\n\t     * var bound = _.bind(greet, object, 'hi');\n\t     * bound('!');\n\t     * // => 'hi fred!'\n\t     *\n\t     * // Bound with placeholders.\n\t     * var bound = _.bind(greet, object, _, '!');\n\t     * bound('hi');\n\t     * // => 'hi fred!'\n\t     */\n\t    var bind = baseRest(function(func, thisArg, partials) {\n\t      var bitmask = WRAP_BIND_FLAG;\n\t      if (partials.length) {\n\t        var holders = replaceHolders(partials, getHolder(bind));\n\t        bitmask |= WRAP_PARTIAL_FLAG;\n\t      }\n\t      return createWrap(func, bitmask, thisArg, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes the method at `object[key]` with `partials`\n\t     * prepended to the arguments it receives.\n\t     *\n\t     * This method differs from `_.bind` by allowing bound functions to reference\n\t     * methods that may be redefined or don't yet exist. See\n\t     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n\t     * for more details.\n\t     *\n\t     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.10.0\n\t     * @category Function\n\t     * @param {Object} object The object to invoke the method on.\n\t     * @param {string} key The key of the method.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new bound function.\n\t     * @example\n\t     *\n\t     * var object = {\n\t     *   'user': 'fred',\n\t     *   'greet': function(greeting, punctuation) {\n\t     *     return greeting + ' ' + this.user + punctuation;\n\t     *   }\n\t     * };\n\t     *\n\t     * var bound = _.bindKey(object, 'greet', 'hi');\n\t     * bound('!');\n\t     * // => 'hi fred!'\n\t     *\n\t     * object.greet = function(greeting, punctuation) {\n\t     *   return greeting + 'ya ' + this.user + punctuation;\n\t     * };\n\t     *\n\t     * bound('!');\n\t     * // => 'hiya fred!'\n\t     *\n\t     * // Bound with placeholders.\n\t     * var bound = _.bindKey(object, 'greet', _, '!');\n\t     * bound('hi');\n\t     * // => 'hiya fred!'\n\t     */\n\t    var bindKey = baseRest(function(object, key, partials) {\n\t      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n\t      if (partials.length) {\n\t        var holders = replaceHolders(partials, getHolder(bindKey));\n\t        bitmask |= WRAP_PARTIAL_FLAG;\n\t      }\n\t      return createWrap(key, bitmask, object, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that accepts arguments of `func` and either invokes\n\t     * `func` returning its result, if at least `arity` number of arguments have\n\t     * been provided, or returns a function that accepts the remaining `func`\n\t     * arguments, and so on. The arity of `func` may be specified if `func.length`\n\t     * is not sufficient.\n\t     *\n\t     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n\t     * may be used as a placeholder for provided arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of curried functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to curry.\n\t     * @param {number} [arity=func.length] The arity of `func`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new curried function.\n\t     * @example\n\t     *\n\t     * var abc = function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * };\n\t     *\n\t     * var curried = _.curry(abc);\n\t     *\n\t     * curried(1)(2)(3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2)(3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2, 3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * // Curried with placeholders.\n\t     * curried(1)(_, 3)(2);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function curry(func, arity, guard) {\n\t      arity = guard ? undefined : arity;\n\t      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n\t      result.placeholder = curry.placeholder;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.curry` except that arguments are applied to `func`\n\t     * in the manner of `_.partialRight` instead of `_.partial`.\n\t     *\n\t     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for provided arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of curried functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to curry.\n\t     * @param {number} [arity=func.length] The arity of `func`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new curried function.\n\t     * @example\n\t     *\n\t     * var abc = function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * };\n\t     *\n\t     * var curried = _.curryRight(abc);\n\t     *\n\t     * curried(3)(2)(1);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(2, 3)(1);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2, 3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * // Curried with placeholders.\n\t     * curried(3)(1, _)(2);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function curryRight(func, arity, guard) {\n\t      arity = guard ? undefined : arity;\n\t      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n\t      result.placeholder = curryRight.placeholder;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a debounced function that delays invoking `func` until after `wait`\n\t     * milliseconds have elapsed since the last time the debounced function was\n\t     * invoked. The debounced function comes with a `cancel` method to cancel\n\t     * delayed `func` invocations and a `flush` method to immediately invoke them.\n\t     * Provide `options` to indicate whether `func` should be invoked on the\n\t     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n\t     * with the last arguments provided to the debounced function. Subsequent\n\t     * calls to the debounced function return the result of the last `func`\n\t     * invocation.\n\t     *\n\t     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n\t     * invoked on the trailing edge of the timeout only if the debounced function\n\t     * is invoked more than once during the `wait` timeout.\n\t     *\n\t     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n\t     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n\t     *\n\t     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n\t     * for details over the differences between `_.debounce` and `_.throttle`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to debounce.\n\t     * @param {number} [wait=0] The number of milliseconds to delay.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.leading=false]\n\t     *  Specify invoking on the leading edge of the timeout.\n\t     * @param {number} [options.maxWait]\n\t     *  The maximum time `func` is allowed to be delayed before it's invoked.\n\t     * @param {boolean} [options.trailing=true]\n\t     *  Specify invoking on the trailing edge of the timeout.\n\t     * @returns {Function} Returns the new debounced function.\n\t     * @example\n\t     *\n\t     * // Avoid costly calculations while the window size is in flux.\n\t     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n\t     *\n\t     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n\t     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n\t     *   'leading': true,\n\t     *   'trailing': false\n\t     * }));\n\t     *\n\t     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n\t     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n\t     * var source = new EventSource('/stream');\n\t     * jQuery(source).on('message', debounced);\n\t     *\n\t     * // Cancel the trailing debounced invocation.\n\t     * jQuery(window).on('popstate', debounced.cancel);\n\t     */\n\t    function debounce(func, wait, options) {\n\t      var lastArgs,\n\t          lastThis,\n\t          maxWait,\n\t          result,\n\t          timerId,\n\t          lastCallTime,\n\t          lastInvokeTime = 0,\n\t          leading = false,\n\t          maxing = false,\n\t          trailing = true;\n\t\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      wait = toNumber(wait) || 0;\n\t      if (isObject(options)) {\n\t        leading = !!options.leading;\n\t        maxing = 'maxWait' in options;\n\t        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n\t        trailing = 'trailing' in options ? !!options.trailing : trailing;\n\t      }\n\t\n\t      function invokeFunc(time) {\n\t        var args = lastArgs,\n\t            thisArg = lastThis;\n\t\n\t        lastArgs = lastThis = undefined;\n\t        lastInvokeTime = time;\n\t        result = func.apply(thisArg, args);\n\t        return result;\n\t      }\n\t\n\t      function leadingEdge(time) {\n\t        // Reset any `maxWait` timer.\n\t        lastInvokeTime = time;\n\t        // Start the timer for the trailing edge.\n\t        timerId = setTimeout(timerExpired, wait);\n\t        // Invoke the leading edge.\n\t        return leading ? invokeFunc(time) : result;\n\t      }\n\t\n\t      function remainingWait(time) {\n\t        var timeSinceLastCall = time - lastCallTime,\n\t            timeSinceLastInvoke = time - lastInvokeTime,\n\t            result = wait - timeSinceLastCall;\n\t\n\t        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n\t      }\n\t\n\t      function shouldInvoke(time) {\n\t        var timeSinceLastCall = time - lastCallTime,\n\t            timeSinceLastInvoke = time - lastInvokeTime;\n\t\n\t        // Either this is the first call, activity has stopped and we're at the\n\t        // trailing edge, the system time has gone backwards and we're treating\n\t        // it as the trailing edge, or we've hit the `maxWait` limit.\n\t        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n\t          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n\t      }\n\t\n\t      function timerExpired() {\n\t        var time = now();\n\t        if (shouldInvoke(time)) {\n\t          return trailingEdge(time);\n\t        }\n\t        // Restart the timer.\n\t        timerId = setTimeout(timerExpired, remainingWait(time));\n\t      }\n\t\n\t      function trailingEdge(time) {\n\t        timerId = undefined;\n\t\n\t        // Only invoke if we have `lastArgs` which means `func` has been\n\t        // debounced at least once.\n\t        if (trailing && lastArgs) {\n\t          return invokeFunc(time);\n\t        }\n\t        lastArgs = lastThis = undefined;\n\t        return result;\n\t      }\n\t\n\t      function cancel() {\n\t        if (timerId !== undefined) {\n\t          clearTimeout(timerId);\n\t        }\n\t        lastInvokeTime = 0;\n\t        lastArgs = lastCallTime = lastThis = timerId = undefined;\n\t      }\n\t\n\t      function flush() {\n\t        return timerId === undefined ? result : trailingEdge(now());\n\t      }\n\t\n\t      function debounced() {\n\t        var time = now(),\n\t            isInvoking = shouldInvoke(time);\n\t\n\t        lastArgs = arguments;\n\t        lastThis = this;\n\t        lastCallTime = time;\n\t\n\t        if (isInvoking) {\n\t          if (timerId === undefined) {\n\t            return leadingEdge(lastCallTime);\n\t          }\n\t          if (maxing) {\n\t            // Handle invocations in a tight loop.\n\t            timerId = setTimeout(timerExpired, wait);\n\t            return invokeFunc(lastCallTime);\n\t          }\n\t        }\n\t        if (timerId === undefined) {\n\t          timerId = setTimeout(timerExpired, wait);\n\t        }\n\t        return result;\n\t      }\n\t      debounced.cancel = cancel;\n\t      debounced.flush = flush;\n\t      return debounced;\n\t    }\n\t\n\t    /**\n\t     * Defers invoking the `func` until the current call stack has cleared. Any\n\t     * additional arguments are provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to defer.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {number} Returns the timer id.\n\t     * @example\n\t     *\n\t     * _.defer(function(text) {\n\t     *   console.log(text);\n\t     * }, 'deferred');\n\t     * // => Logs 'deferred' after one millisecond.\n\t     */\n\t    var defer = baseRest(function(func, args) {\n\t      return baseDelay(func, 1, args);\n\t    });\n\t\n\t    /**\n\t     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n\t     * provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {number} Returns the timer id.\n\t     * @example\n\t     *\n\t     * _.delay(function(text) {\n\t     *   console.log(text);\n\t     * }, 1000, 'later');\n\t     * // => Logs 'later' after one second.\n\t     */\n\t    var delay = baseRest(function(func, wait, args) {\n\t      return baseDelay(func, toNumber(wait) || 0, args);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with arguments reversed.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to flip arguments for.\n\t     * @returns {Function} Returns the new flipped function.\n\t     * @example\n\t     *\n\t     * var flipped = _.flip(function() {\n\t     *   return _.toArray(arguments);\n\t     * });\n\t     *\n\t     * flipped('a', 'b', 'c', 'd');\n\t     * // => ['d', 'c', 'b', 'a']\n\t     */\n\t    function flip(func) {\n\t      return createWrap(func, WRAP_FLIP_FLAG);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that memoizes the result of `func`. If `resolver` is\n\t     * provided, it determines the cache key for storing the result based on the\n\t     * arguments provided to the memoized function. By default, the first argument\n\t     * provided to the memoized function is used as the map cache key. The `func`\n\t     * is invoked with the `this` binding of the memoized function.\n\t     *\n\t     * **Note:** The cache is exposed as the `cache` property on the memoized\n\t     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n\t     * constructor with one whose instances implement the\n\t     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n\t     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to have its output memoized.\n\t     * @param {Function} [resolver] The function to resolve the cache key.\n\t     * @returns {Function} Returns the new memoized function.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     * var other = { 'c': 3, 'd': 4 };\n\t     *\n\t     * var values = _.memoize(_.values);\n\t     * values(object);\n\t     * // => [1, 2]\n\t     *\n\t     * values(other);\n\t     * // => [3, 4]\n\t     *\n\t     * object.a = 2;\n\t     * values(object);\n\t     * // => [1, 2]\n\t     *\n\t     * // Modify the result cache.\n\t     * values.cache.set(object, ['a', 'b']);\n\t     * values(object);\n\t     * // => ['a', 'b']\n\t     *\n\t     * // Replace `_.memoize.Cache`.\n\t     * _.memoize.Cache = WeakMap;\n\t     */\n\t    function memoize(func, resolver) {\n\t      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      var memoized = function() {\n\t        var args = arguments,\n\t            key = resolver ? resolver.apply(this, args) : args[0],\n\t            cache = memoized.cache;\n\t\n\t        if (cache.has(key)) {\n\t          return cache.get(key);\n\t        }\n\t        var result = func.apply(this, args);\n\t        memoized.cache = cache.set(key, result) || cache;\n\t        return result;\n\t      };\n\t      memoized.cache = new (memoize.Cache || MapCache);\n\t      return memoized;\n\t    }\n\t\n\t    // Expose `MapCache`.\n\t    memoize.Cache = MapCache;\n\t\n\t    /**\n\t     * Creates a function that negates the result of the predicate `func`. The\n\t     * `func` predicate is invoked with the `this` binding and arguments of the\n\t     * created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} predicate The predicate to negate.\n\t     * @returns {Function} Returns the new negated function.\n\t     * @example\n\t     *\n\t     * function isEven(n) {\n\t     *   return n % 2 == 0;\n\t     * }\n\t     *\n\t     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n\t     * // => [1, 3, 5]\n\t     */\n\t    function negate(predicate) {\n\t      if (typeof predicate != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      return function() {\n\t        var args = arguments;\n\t        switch (args.length) {\n\t          case 0: return !predicate.call(this);\n\t          case 1: return !predicate.call(this, args[0]);\n\t          case 2: return !predicate.call(this, args[0], args[1]);\n\t          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n\t        }\n\t        return !predicate.apply(this, args);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that is restricted to invoking `func` once. Repeat calls\n\t     * to the function return the value of the first invocation. The `func` is\n\t     * invoked with the `this` binding and arguments of the created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * var initialize = _.once(createApplication);\n\t     * initialize();\n\t     * initialize();\n\t     * // => `createApplication` is invoked once\n\t     */\n\t    function once(func) {\n\t      return before(2, func);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with its arguments transformed.\n\t     *\n\t     * @static\n\t     * @since 4.0.0\n\t     * @memberOf _\n\t     * @category Function\n\t     * @param {Function} func The function to wrap.\n\t     * @param {...(Function|Function[])} [transforms=[_.identity]]\n\t     *  The argument transforms.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * function doubled(n) {\n\t     *   return n * 2;\n\t     * }\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var func = _.overArgs(function(x, y) {\n\t     *   return [x, y];\n\t     * }, [square, doubled]);\n\t     *\n\t     * func(9, 3);\n\t     * // => [81, 6]\n\t     *\n\t     * func(10, 5);\n\t     * // => [100, 10]\n\t     */\n\t    var overArgs = castRest(function(func, transforms) {\n\t      transforms = (transforms.length == 1 && isArray(transforms[0]))\n\t        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n\t        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\t\n\t      var funcsLength = transforms.length;\n\t      return baseRest(function(args) {\n\t        var index = -1,\n\t            length = nativeMin(args.length, funcsLength);\n\t\n\t        while (++index < length) {\n\t          args[index] = transforms[index].call(this, args[index]);\n\t        }\n\t        return apply(func, this, args);\n\t      });\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with `partials` prepended to the\n\t     * arguments it receives. This method is like `_.bind` except it does **not**\n\t     * alter the `this` binding.\n\t     *\n\t     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of partially\n\t     * applied functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.2.0\n\t     * @category Function\n\t     * @param {Function} func The function to partially apply arguments to.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new partially applied function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, name) {\n\t     *   return greeting + ' ' + name;\n\t     * }\n\t     *\n\t     * var sayHelloTo = _.partial(greet, 'hello');\n\t     * sayHelloTo('fred');\n\t     * // => 'hello fred'\n\t     *\n\t     * // Partially applied with placeholders.\n\t     * var greetFred = _.partial(greet, _, 'fred');\n\t     * greetFred('hi');\n\t     * // => 'hi fred'\n\t     */\n\t    var partial = baseRest(function(func, partials) {\n\t      var holders = replaceHolders(partials, getHolder(partial));\n\t      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.partial` except that partially applied arguments\n\t     * are appended to the arguments it receives.\n\t     *\n\t     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of partially\n\t     * applied functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to partially apply arguments to.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new partially applied function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, name) {\n\t     *   return greeting + ' ' + name;\n\t     * }\n\t     *\n\t     * var greetFred = _.partialRight(greet, 'fred');\n\t     * greetFred('hi');\n\t     * // => 'hi fred'\n\t     *\n\t     * // Partially applied with placeholders.\n\t     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n\t     * sayHelloTo('fred');\n\t     * // => 'hello fred'\n\t     */\n\t    var partialRight = baseRest(function(func, partials) {\n\t      var holders = replaceHolders(partials, getHolder(partialRight));\n\t      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with arguments arranged according\n\t     * to the specified `indexes` where the argument value at the first index is\n\t     * provided as the first argument, the argument value at the second index is\n\t     * provided as the second argument, and so on.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to rearrange arguments for.\n\t     * @param {...(number|number[])} indexes The arranged argument indexes.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var rearged = _.rearg(function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * }, [2, 0, 1]);\n\t     *\n\t     * rearged('b', 'c', 'a')\n\t     * // => ['a', 'b', 'c']\n\t     */\n\t    var rearg = flatRest(function(func, indexes) {\n\t      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of the\n\t     * created function and arguments from `start` and beyond provided as\n\t     * an array.\n\t     *\n\t     * **Note:** This method is based on the\n\t     * [rest parameter](https://mdn.io/rest_parameters).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var say = _.rest(function(what, names) {\n\t     *   return what + ' ' + _.initial(names).join(', ') +\n\t     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n\t     * });\n\t     *\n\t     * say('hello', 'fred', 'barney', 'pebbles');\n\t     * // => 'hello fred, barney, & pebbles'\n\t     */\n\t    function rest(func, start) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      start = start === undefined ? start : toInteger(start);\n\t      return baseRest(func, start);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of the\n\t     * create function and an array of arguments much like\n\t     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n\t     *\n\t     * **Note:** This method is based on the\n\t     * [spread operator](https://mdn.io/spread_operator).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Function\n\t     * @param {Function} func The function to spread arguments over.\n\t     * @param {number} [start=0] The start position of the spread.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var say = _.spread(function(who, what) {\n\t     *   return who + ' says ' + what;\n\t     * });\n\t     *\n\t     * say(['fred', 'hello']);\n\t     * // => 'fred says hello'\n\t     *\n\t     * var numbers = Promise.all([\n\t     *   Promise.resolve(40),\n\t     *   Promise.resolve(36)\n\t     * ]);\n\t     *\n\t     * numbers.then(_.spread(function(x, y) {\n\t     *   return x + y;\n\t     * }));\n\t     * // => a Promise of 76\n\t     */\n\t    function spread(func, start) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n\t      return baseRest(function(args) {\n\t        var array = args[start],\n\t            otherArgs = castSlice(args, 0, start);\n\t\n\t        if (array) {\n\t          arrayPush(otherArgs, array);\n\t        }\n\t        return apply(func, this, otherArgs);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a throttled function that only invokes `func` at most once per\n\t     * every `wait` milliseconds. The throttled function comes with a `cancel`\n\t     * method to cancel delayed `func` invocations and a `flush` method to\n\t     * immediately invoke them. Provide `options` to indicate whether `func`\n\t     * should be invoked on the leading and/or trailing edge of the `wait`\n\t     * timeout. The `func` is invoked with the last arguments provided to the\n\t     * throttled function. Subsequent calls to the throttled function return the\n\t     * result of the last `func` invocation.\n\t     *\n\t     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n\t     * invoked on the trailing edge of the timeout only if the throttled function\n\t     * is invoked more than once during the `wait` timeout.\n\t     *\n\t     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n\t     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n\t     *\n\t     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n\t     * for details over the differences between `_.throttle` and `_.debounce`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to throttle.\n\t     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.leading=true]\n\t     *  Specify invoking on the leading edge of the timeout.\n\t     * @param {boolean} [options.trailing=true]\n\t     *  Specify invoking on the trailing edge of the timeout.\n\t     * @returns {Function} Returns the new throttled function.\n\t     * @example\n\t     *\n\t     * // Avoid excessively updating the position while scrolling.\n\t     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n\t     *\n\t     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n\t     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n\t     * jQuery(element).on('click', throttled);\n\t     *\n\t     * // Cancel the trailing throttled invocation.\n\t     * jQuery(window).on('popstate', throttled.cancel);\n\t     */\n\t    function throttle(func, wait, options) {\n\t      var leading = true,\n\t          trailing = true;\n\t\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      if (isObject(options)) {\n\t        leading = 'leading' in options ? !!options.leading : leading;\n\t        trailing = 'trailing' in options ? !!options.trailing : trailing;\n\t      }\n\t      return debounce(func, wait, {\n\t        'leading': leading,\n\t        'maxWait': wait,\n\t        'trailing': trailing\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that accepts up to one argument, ignoring any\n\t     * additional arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to cap arguments for.\n\t     * @returns {Function} Returns the new capped function.\n\t     * @example\n\t     *\n\t     * _.map(['6', '8', '10'], _.unary(parseInt));\n\t     * // => [6, 8, 10]\n\t     */\n\t    function unary(func) {\n\t      return ary(func, 1);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that provides `value` to `wrapper` as its first\n\t     * argument. Any additional arguments provided to the function are appended\n\t     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n\t     * binding of the created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {*} value The value to wrap.\n\t     * @param {Function} [wrapper=identity] The wrapper function.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var p = _.wrap(_.escape, function(func, text) {\n\t     *   return '<p>' + func(text) + '</p>';\n\t     * });\n\t     *\n\t     * p('fred, barney, & pebbles');\n\t     * // => '<p>fred, barney, &amp; pebbles</p>'\n\t     */\n\t    function wrap(value, wrapper) {\n\t      return partial(castFunction(wrapper), value);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Casts `value` as an array if it's not one.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.4.0\n\t     * @category Lang\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Array} Returns the cast array.\n\t     * @example\n\t     *\n\t     * _.castArray(1);\n\t     * // => [1]\n\t     *\n\t     * _.castArray({ 'a': 1 });\n\t     * // => [{ 'a': 1 }]\n\t     *\n\t     * _.castArray('abc');\n\t     * // => ['abc']\n\t     *\n\t     * _.castArray(null);\n\t     * // => [null]\n\t     *\n\t     * _.castArray(undefined);\n\t     * // => [undefined]\n\t     *\n\t     * _.castArray();\n\t     * // => []\n\t     *\n\t     * var array = [1, 2, 3];\n\t     * console.log(_.castArray(array) === array);\n\t     * // => true\n\t     */\n\t    function castArray() {\n\t      if (!arguments.length) {\n\t        return [];\n\t      }\n\t      var value = arguments[0];\n\t      return isArray(value) ? value : [value];\n\t    }\n\t\n\t    /**\n\t     * Creates a shallow clone of `value`.\n\t     *\n\t     * **Note:** This method is loosely based on the\n\t     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n\t     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n\t     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n\t     * arrays. The own enumerable properties of `arguments` objects are cloned\n\t     * as plain objects. An empty object is returned for uncloneable values such\n\t     * as error objects, functions, DOM nodes, and WeakMaps.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to clone.\n\t     * @returns {*} Returns the cloned value.\n\t     * @see _.cloneDeep\n\t     * @example\n\t     *\n\t     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t     *\n\t     * var shallow = _.clone(objects);\n\t     * console.log(shallow[0] === objects[0]);\n\t     * // => true\n\t     */\n\t    function clone(value) {\n\t      return baseClone(value, CLONE_SYMBOLS_FLAG);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.clone` except that it accepts `customizer` which\n\t     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n\t     * cloning is handled by the method instead. The `customizer` is invoked with\n\t     * up to four arguments; (value [, index|key, object, stack]).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to clone.\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @returns {*} Returns the cloned value.\n\t     * @see _.cloneDeepWith\n\t     * @example\n\t     *\n\t     * function customizer(value) {\n\t     *   if (_.isElement(value)) {\n\t     *     return value.cloneNode(false);\n\t     *   }\n\t     * }\n\t     *\n\t     * var el = _.cloneWith(document.body, customizer);\n\t     *\n\t     * console.log(el === document.body);\n\t     * // => false\n\t     * console.log(el.nodeName);\n\t     * // => 'BODY'\n\t     * console.log(el.childNodes.length);\n\t     * // => 0\n\t     */\n\t    function cloneWith(value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.clone` except that it recursively clones `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to recursively clone.\n\t     * @returns {*} Returns the deep cloned value.\n\t     * @see _.clone\n\t     * @example\n\t     *\n\t     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t     *\n\t     * var deep = _.cloneDeep(objects);\n\t     * console.log(deep[0] === objects[0]);\n\t     * // => false\n\t     */\n\t    function cloneDeep(value) {\n\t      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.cloneWith` except that it recursively clones `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to recursively clone.\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @returns {*} Returns the deep cloned value.\n\t     * @see _.cloneWith\n\t     * @example\n\t     *\n\t     * function customizer(value) {\n\t     *   if (_.isElement(value)) {\n\t     *     return value.cloneNode(true);\n\t     *   }\n\t     * }\n\t     *\n\t     * var el = _.cloneDeepWith(document.body, customizer);\n\t     *\n\t     * console.log(el === document.body);\n\t     * // => false\n\t     * console.log(el.nodeName);\n\t     * // => 'BODY'\n\t     * console.log(el.childNodes.length);\n\t     * // => 20\n\t     */\n\t    function cloneDeepWith(value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n\t    }\n\t\n\t    /**\n\t     * Checks if `object` conforms to `source` by invoking the predicate\n\t     * properties of `source` with the corresponding property values of `object`.\n\t     *\n\t     * **Note:** This method is equivalent to `_.conforms` when `source` is\n\t     * partially applied.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.14.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     *\n\t     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n\t     * // => true\n\t     *\n\t     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n\t     * // => false\n\t     */\n\t    function conformsTo(object, source) {\n\t      return source == null || baseConformsTo(object, source, keys(source));\n\t    }\n\t\n\t    /**\n\t     * Performs a\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * comparison between two values to determine if they are equivalent.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     * var other = { 'a': 1 };\n\t     *\n\t     * _.eq(object, object);\n\t     * // => true\n\t     *\n\t     * _.eq(object, other);\n\t     * // => false\n\t     *\n\t     * _.eq('a', 'a');\n\t     * // => true\n\t     *\n\t     * _.eq('a', Object('a'));\n\t     * // => false\n\t     *\n\t     * _.eq(NaN, NaN);\n\t     * // => true\n\t     */\n\t    function eq(value, other) {\n\t      return value === other || (value !== value && other !== other);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is greater than `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t     *  else `false`.\n\t     * @see _.lt\n\t     * @example\n\t     *\n\t     * _.gt(3, 1);\n\t     * // => true\n\t     *\n\t     * _.gt(3, 3);\n\t     * // => false\n\t     *\n\t     * _.gt(1, 3);\n\t     * // => false\n\t     */\n\t    var gt = createRelationalOperation(baseGt);\n\t\n\t    /**\n\t     * Checks if `value` is greater than or equal to `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n\t     *  `other`, else `false`.\n\t     * @see _.lte\n\t     * @example\n\t     *\n\t     * _.gte(3, 1);\n\t     * // => true\n\t     *\n\t     * _.gte(3, 3);\n\t     * // => true\n\t     *\n\t     * _.gte(1, 3);\n\t     * // => false\n\t     */\n\t    var gte = createRelationalOperation(function(value, other) {\n\t      return value >= other;\n\t    });\n\t\n\t    /**\n\t     * Checks if `value` is likely an `arguments` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isArguments(function() { return arguments; }());\n\t     * // => true\n\t     *\n\t     * _.isArguments([1, 2, 3]);\n\t     * // => false\n\t     */\n\t    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n\t      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n\t        !propertyIsEnumerable.call(value, 'callee');\n\t    };\n\t\n\t    /**\n\t     * Checks if `value` is classified as an `Array` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArray([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArray(document.body.children);\n\t     * // => false\n\t     *\n\t     * _.isArray('abc');\n\t     * // => false\n\t     *\n\t     * _.isArray(_.noop);\n\t     * // => false\n\t     */\n\t    var isArray = Array.isArray;\n\t\n\t    /**\n\t     * Checks if `value` is classified as an `ArrayBuffer` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayBuffer(new ArrayBuffer(2));\n\t     * // => true\n\t     *\n\t     * _.isArrayBuffer(new Array(2));\n\t     * // => false\n\t     */\n\t    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\t\n\t    /**\n\t     * Checks if `value` is array-like. A value is considered array-like if it's\n\t     * not a function and has a `value.length` that's an integer greater than or\n\t     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayLike([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArrayLike(document.body.children);\n\t     * // => true\n\t     *\n\t     * _.isArrayLike('abc');\n\t     * // => true\n\t     *\n\t     * _.isArrayLike(_.noop);\n\t     * // => false\n\t     */\n\t    function isArrayLike(value) {\n\t      return value != null && isLength(value.length) && !isFunction(value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isArrayLike` except that it also checks if `value`\n\t     * is an object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array-like object,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayLikeObject([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArrayLikeObject(document.body.children);\n\t     * // => true\n\t     *\n\t     * _.isArrayLikeObject('abc');\n\t     * // => false\n\t     *\n\t     * _.isArrayLikeObject(_.noop);\n\t     * // => false\n\t     */\n\t    function isArrayLikeObject(value) {\n\t      return isObjectLike(value) && isArrayLike(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a boolean primitive or object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n\t     * @example\n\t     *\n\t     * _.isBoolean(false);\n\t     * // => true\n\t     *\n\t     * _.isBoolean(null);\n\t     * // => false\n\t     */\n\t    function isBoolean(value) {\n\t      return value === true || value === false ||\n\t        (isObjectLike(value) && baseGetTag(value) == boolTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a buffer.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isBuffer(new Buffer(2));\n\t     * // => true\n\t     *\n\t     * _.isBuffer(new Uint8Array(2));\n\t     * // => false\n\t     */\n\t    var isBuffer = nativeIsBuffer || stubFalse;\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Date` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isDate(new Date);\n\t     * // => true\n\t     *\n\t     * _.isDate('Mon April 23 2012');\n\t     * // => false\n\t     */\n\t    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\t\n\t    /**\n\t     * Checks if `value` is likely a DOM element.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n\t     * @example\n\t     *\n\t     * _.isElement(document.body);\n\t     * // => true\n\t     *\n\t     * _.isElement('<body>');\n\t     * // => false\n\t     */\n\t    function isElement(value) {\n\t      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an empty object, collection, map, or set.\n\t     *\n\t     * Objects are considered empty if they have no own enumerable string keyed\n\t     * properties.\n\t     *\n\t     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n\t     * jQuery-like collections are considered empty if they have a `length` of `0`.\n\t     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n\t     * @example\n\t     *\n\t     * _.isEmpty(null);\n\t     * // => true\n\t     *\n\t     * _.isEmpty(true);\n\t     * // => true\n\t     *\n\t     * _.isEmpty(1);\n\t     * // => true\n\t     *\n\t     * _.isEmpty([1, 2, 3]);\n\t     * // => false\n\t     *\n\t     * _.isEmpty({ 'a': 1 });\n\t     * // => false\n\t     */\n\t    function isEmpty(value) {\n\t      if (value == null) {\n\t        return true;\n\t      }\n\t      if (isArrayLike(value) &&\n\t          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n\t            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n\t        return !value.length;\n\t      }\n\t      var tag = getTag(value);\n\t      if (tag == mapTag || tag == setTag) {\n\t        return !value.size;\n\t      }\n\t      if (isPrototype(value)) {\n\t        return !baseKeys(value).length;\n\t      }\n\t      for (var key in value) {\n\t        if (hasOwnProperty.call(value, key)) {\n\t          return false;\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Performs a deep comparison between two values to determine if they are\n\t     * equivalent.\n\t     *\n\t     * **Note:** This method supports comparing arrays, array buffers, booleans,\n\t     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n\t     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n\t     * by their own, not inherited, enumerable properties. Functions and DOM\n\t     * nodes are compared by strict equality, i.e. `===`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     * var other = { 'a': 1 };\n\t     *\n\t     * _.isEqual(object, other);\n\t     * // => true\n\t     *\n\t     * object === other;\n\t     * // => false\n\t     */\n\t    function isEqual(value, other) {\n\t      return baseIsEqual(value, other);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isEqual` except that it accepts `customizer` which\n\t     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t     * are handled by the method instead. The `customizer` is invoked with up to\n\t     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * function isGreeting(value) {\n\t     *   return /^h(?:i|ello)$/.test(value);\n\t     * }\n\t     *\n\t     * function customizer(objValue, othValue) {\n\t     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n\t     *     return true;\n\t     *   }\n\t     * }\n\t     *\n\t     * var array = ['hello', 'goodbye'];\n\t     * var other = ['hi', 'goodbye'];\n\t     *\n\t     * _.isEqualWith(array, other, customizer);\n\t     * // => true\n\t     */\n\t    function isEqualWith(value, other, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      var result = customizer ? customizer(value, other) : undefined;\n\t      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n\t     * `SyntaxError`, `TypeError`, or `URIError` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isError(new Error);\n\t     * // => true\n\t     *\n\t     * _.isError(Error);\n\t     * // => false\n\t     */\n\t    function isError(value) {\n\t      if (!isObjectLike(value)) {\n\t        return false;\n\t      }\n\t      var tag = baseGetTag(value);\n\t      return tag == errorTag || tag == domExcTag ||\n\t        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a finite primitive number.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n\t     * @example\n\t     *\n\t     * _.isFinite(3);\n\t     * // => true\n\t     *\n\t     * _.isFinite(Number.MIN_VALUE);\n\t     * // => true\n\t     *\n\t     * _.isFinite(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isFinite('3');\n\t     * // => false\n\t     */\n\t    function isFinite(value) {\n\t      return typeof value == 'number' && nativeIsFinite(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Function` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n\t     * @example\n\t     *\n\t     * _.isFunction(_);\n\t     * // => true\n\t     *\n\t     * _.isFunction(/abc/);\n\t     * // => false\n\t     */\n\t    function isFunction(value) {\n\t      if (!isObject(value)) {\n\t        return false;\n\t      }\n\t      // The use of `Object#toString` avoids issues with the `typeof` operator\n\t      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n\t      var tag = baseGetTag(value);\n\t      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an integer.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isInteger(3);\n\t     * // => true\n\t     *\n\t     * _.isInteger(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isInteger(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isInteger('3');\n\t     * // => false\n\t     */\n\t    function isInteger(value) {\n\t      return typeof value == 'number' && value == toInteger(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a valid array-like length.\n\t     *\n\t     * **Note:** This method is loosely based on\n\t     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n\t     * @example\n\t     *\n\t     * _.isLength(3);\n\t     * // => true\n\t     *\n\t     * _.isLength(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isLength(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isLength('3');\n\t     * // => false\n\t     */\n\t    function isLength(value) {\n\t      return typeof value == 'number' &&\n\t        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is the\n\t     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n\t     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isObject({});\n\t     * // => true\n\t     *\n\t     * _.isObject([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isObject(_.noop);\n\t     * // => true\n\t     *\n\t     * _.isObject(null);\n\t     * // => false\n\t     */\n\t    function isObject(value) {\n\t      var type = typeof value;\n\t      return value != null && (type == 'object' || type == 'function');\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is object-like. A value is object-like if it's not `null`\n\t     * and has a `typeof` result of \"object\".\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n\t     * @example\n\t     *\n\t     * _.isObjectLike({});\n\t     * // => true\n\t     *\n\t     * _.isObjectLike([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isObjectLike(_.noop);\n\t     * // => false\n\t     *\n\t     * _.isObjectLike(null);\n\t     * // => false\n\t     */\n\t    function isObjectLike(value) {\n\t      return value != null && typeof value == 'object';\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Map` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n\t     * @example\n\t     *\n\t     * _.isMap(new Map);\n\t     * // => true\n\t     *\n\t     * _.isMap(new WeakMap);\n\t     * // => false\n\t     */\n\t    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\t\n\t    /**\n\t     * Performs a partial deep comparison between `object` and `source` to\n\t     * determine if `object` contains equivalent property values.\n\t     *\n\t     * **Note:** This method is equivalent to `_.matches` when `source` is\n\t     * partially applied.\n\t     *\n\t     * Partial comparisons will match empty array and empty object `source`\n\t     * values against any array or object value, respectively. See `_.isEqual`\n\t     * for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     *\n\t     * _.isMatch(object, { 'b': 2 });\n\t     * // => true\n\t     *\n\t     * _.isMatch(object, { 'b': 1 });\n\t     * // => false\n\t     */\n\t    function isMatch(object, source) {\n\t      return object === source || baseIsMatch(object, source, getMatchData(source));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isMatch` except that it accepts `customizer` which\n\t     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t     * are handled by the method instead. The `customizer` is invoked with five\n\t     * arguments: (objValue, srcValue, index|key, object, source).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     * @example\n\t     *\n\t     * function isGreeting(value) {\n\t     *   return /^h(?:i|ello)$/.test(value);\n\t     * }\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n\t     *     return true;\n\t     *   }\n\t     * }\n\t     *\n\t     * var object = { 'greeting': 'hello' };\n\t     * var source = { 'greeting': 'hi' };\n\t     *\n\t     * _.isMatchWith(object, source, customizer);\n\t     * // => true\n\t     */\n\t    function isMatchWith(object, source, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseIsMatch(object, source, getMatchData(source), customizer);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `NaN`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n\t     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n\t     * `undefined` and other non-number values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNaN(NaN);\n\t     * // => true\n\t     *\n\t     * _.isNaN(new Number(NaN));\n\t     * // => true\n\t     *\n\t     * isNaN(undefined);\n\t     * // => true\n\t     *\n\t     * _.isNaN(undefined);\n\t     * // => false\n\t     */\n\t    function isNaN(value) {\n\t      // An `NaN` primitive is the only value that is not equal to itself.\n\t      // Perform the `toStringTag` check first to avoid errors with some\n\t      // ActiveX objects in IE.\n\t      return isNumber(value) && value != +value;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a pristine native function.\n\t     *\n\t     * **Note:** This method can't reliably detect native functions in the presence\n\t     * of the core-js package because core-js circumvents this kind of detection.\n\t     * Despite multiple requests, the core-js maintainer has made it clear: any\n\t     * attempt to fix the detection will be obstructed. As a result, we're left\n\t     * with little choice but to throw an error. Unfortunately, this also affects\n\t     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n\t     * which rely on core-js.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a native function,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isNative(Array.prototype.push);\n\t     * // => true\n\t     *\n\t     * _.isNative(_);\n\t     * // => false\n\t     */\n\t    function isNative(value) {\n\t      if (isMaskable(value)) {\n\t        throw new Error(CORE_ERROR_TEXT);\n\t      }\n\t      return baseIsNative(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `null`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNull(null);\n\t     * // => true\n\t     *\n\t     * _.isNull(void 0);\n\t     * // => false\n\t     */\n\t    function isNull(value) {\n\t      return value === null;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `null` or `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNil(null);\n\t     * // => true\n\t     *\n\t     * _.isNil(void 0);\n\t     * // => true\n\t     *\n\t     * _.isNil(NaN);\n\t     * // => false\n\t     */\n\t    function isNil(value) {\n\t      return value == null;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Number` primitive or object.\n\t     *\n\t     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n\t     * classified as numbers, use the `_.isFinite` method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNumber(3);\n\t     * // => true\n\t     *\n\t     * _.isNumber(Number.MIN_VALUE);\n\t     * // => true\n\t     *\n\t     * _.isNumber(Infinity);\n\t     * // => true\n\t     *\n\t     * _.isNumber('3');\n\t     * // => false\n\t     */\n\t    function isNumber(value) {\n\t      return typeof value == 'number' ||\n\t        (isObjectLike(value) && baseGetTag(value) == numberTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a plain object, that is, an object created by the\n\t     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.8.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * _.isPlainObject(new Foo);\n\t     * // => false\n\t     *\n\t     * _.isPlainObject([1, 2, 3]);\n\t     * // => false\n\t     *\n\t     * _.isPlainObject({ 'x': 0, 'y': 0 });\n\t     * // => true\n\t     *\n\t     * _.isPlainObject(Object.create(null));\n\t     * // => true\n\t     */\n\t    function isPlainObject(value) {\n\t      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n\t        return false;\n\t      }\n\t      var proto = getPrototype(value);\n\t      if (proto === null) {\n\t        return true;\n\t      }\n\t      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n\t      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n\t        funcToString.call(Ctor) == objectCtorString;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `RegExp` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n\t     * @example\n\t     *\n\t     * _.isRegExp(/abc/);\n\t     * // => true\n\t     *\n\t     * _.isRegExp('/abc/');\n\t     * // => false\n\t     */\n\t    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\t\n\t    /**\n\t     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n\t     * double precision number which isn't the result of a rounded unsafe integer.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSafeInteger(3);\n\t     * // => true\n\t     *\n\t     * _.isSafeInteger(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isSafeInteger(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isSafeInteger('3');\n\t     * // => false\n\t     */\n\t    function isSafeInteger(value) {\n\t      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Set` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSet(new Set);\n\t     * // => true\n\t     *\n\t     * _.isSet(new WeakSet);\n\t     * // => false\n\t     */\n\t    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `String` primitive or object.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n\t     * @example\n\t     *\n\t     * _.isString('abc');\n\t     * // => true\n\t     *\n\t     * _.isString(1);\n\t     * // => false\n\t     */\n\t    function isString(value) {\n\t      return typeof value == 'string' ||\n\t        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Symbol` primitive or object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSymbol(Symbol.iterator);\n\t     * // => true\n\t     *\n\t     * _.isSymbol('abc');\n\t     * // => false\n\t     */\n\t    function isSymbol(value) {\n\t      return typeof value == 'symbol' ||\n\t        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a typed array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n\t     * @example\n\t     *\n\t     * _.isTypedArray(new Uint8Array);\n\t     * // => true\n\t     *\n\t     * _.isTypedArray([]);\n\t     * // => false\n\t     */\n\t    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\t\n\t    /**\n\t     * Checks if `value` is `undefined`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isUndefined(void 0);\n\t     * // => true\n\t     *\n\t     * _.isUndefined(null);\n\t     * // => false\n\t     */\n\t    function isUndefined(value) {\n\t      return value === undefined;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `WeakMap` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n\t     * @example\n\t     *\n\t     * _.isWeakMap(new WeakMap);\n\t     * // => true\n\t     *\n\t     * _.isWeakMap(new Map);\n\t     * // => false\n\t     */\n\t    function isWeakMap(value) {\n\t      return isObjectLike(value) && getTag(value) == weakMapTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `WeakSet` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n\t     * @example\n\t     *\n\t     * _.isWeakSet(new WeakSet);\n\t     * // => true\n\t     *\n\t     * _.isWeakSet(new Set);\n\t     * // => false\n\t     */\n\t    function isWeakSet(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is less than `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t     *  else `false`.\n\t     * @see _.gt\n\t     * @example\n\t     *\n\t     * _.lt(1, 3);\n\t     * // => true\n\t     *\n\t     * _.lt(3, 3);\n\t     * // => false\n\t     *\n\t     * _.lt(3, 1);\n\t     * // => false\n\t     */\n\t    var lt = createRelationalOperation(baseLt);\n\t\n\t    /**\n\t     * Checks if `value` is less than or equal to `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than or equal to\n\t     *  `other`, else `false`.\n\t     * @see _.gte\n\t     * @example\n\t     *\n\t     * _.lte(1, 3);\n\t     * // => true\n\t     *\n\t     * _.lte(3, 3);\n\t     * // => true\n\t     *\n\t     * _.lte(3, 1);\n\t     * // => false\n\t     */\n\t    var lte = createRelationalOperation(function(value, other) {\n\t      return value <= other;\n\t    });\n\t\n\t    /**\n\t     * Converts `value` to an array.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {Array} Returns the converted array.\n\t     * @example\n\t     *\n\t     * _.toArray({ 'a': 1, 'b': 2 });\n\t     * // => [1, 2]\n\t     *\n\t     * _.toArray('abc');\n\t     * // => ['a', 'b', 'c']\n\t     *\n\t     * _.toArray(1);\n\t     * // => []\n\t     *\n\t     * _.toArray(null);\n\t     * // => []\n\t     */\n\t    function toArray(value) {\n\t      if (!value) {\n\t        return [];\n\t      }\n\t      if (isArrayLike(value)) {\n\t        return isString(value) ? stringToArray(value) : copyArray(value);\n\t      }\n\t      if (symIterator && value[symIterator]) {\n\t        return iteratorToArray(value[symIterator]());\n\t      }\n\t      var tag = getTag(value),\n\t          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\t\n\t      return func(value);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a finite number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.12.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted number.\n\t     * @example\n\t     *\n\t     * _.toFinite(3.2);\n\t     * // => 3.2\n\t     *\n\t     * _.toFinite(Number.MIN_VALUE);\n\t     * // => 5e-324\n\t     *\n\t     * _.toFinite(Infinity);\n\t     * // => 1.7976931348623157e+308\n\t     *\n\t     * _.toFinite('3.2');\n\t     * // => 3.2\n\t     */\n\t    function toFinite(value) {\n\t      if (!value) {\n\t        return value === 0 ? value : 0;\n\t      }\n\t      value = toNumber(value);\n\t      if (value === INFINITY || value === -INFINITY) {\n\t        var sign = (value < 0 ? -1 : 1);\n\t        return sign * MAX_INTEGER;\n\t      }\n\t      return value === value ? value : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to an integer.\n\t     *\n\t     * **Note:** This method is loosely based on\n\t     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toInteger(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toInteger(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toInteger(Infinity);\n\t     * // => 1.7976931348623157e+308\n\t     *\n\t     * _.toInteger('3.2');\n\t     * // => 3\n\t     */\n\t    function toInteger(value) {\n\t      var result = toFinite(value),\n\t          remainder = result % 1;\n\t\n\t      return result === result ? (remainder ? result - remainder : result) : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to an integer suitable for use as the length of an\n\t     * array-like object.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toLength(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toLength(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toLength(Infinity);\n\t     * // => 4294967295\n\t     *\n\t     * _.toLength('3.2');\n\t     * // => 3\n\t     */\n\t    function toLength(value) {\n\t      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to process.\n\t     * @returns {number} Returns the number.\n\t     * @example\n\t     *\n\t     * _.toNumber(3.2);\n\t     * // => 3.2\n\t     *\n\t     * _.toNumber(Number.MIN_VALUE);\n\t     * // => 5e-324\n\t     *\n\t     * _.toNumber(Infinity);\n\t     * // => Infinity\n\t     *\n\t     * _.toNumber('3.2');\n\t     * // => 3.2\n\t     */\n\t    function toNumber(value) {\n\t      if (typeof value == 'number') {\n\t        return value;\n\t      }\n\t      if (isSymbol(value)) {\n\t        return NAN;\n\t      }\n\t      if (isObject(value)) {\n\t        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n\t        value = isObject(other) ? (other + '') : other;\n\t      }\n\t      if (typeof value != 'string') {\n\t        return value === 0 ? value : +value;\n\t      }\n\t      value = value.replace(reTrim, '');\n\t      var isBinary = reIsBinary.test(value);\n\t      return (isBinary || reIsOctal.test(value))\n\t        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n\t        : (reIsBadHex.test(value) ? NAN : +value);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a plain object flattening inherited enumerable string\n\t     * keyed properties of `value` to own properties of the plain object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {Object} Returns the converted plain object.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.assign({ 'a': 1 }, new Foo);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     *\n\t     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n\t     * // => { 'a': 1, 'b': 2, 'c': 3 }\n\t     */\n\t    function toPlainObject(value) {\n\t      return copyObject(value, keysIn(value));\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a safe integer. A safe integer can be compared and\n\t     * represented correctly.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toSafeInteger(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toSafeInteger(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toSafeInteger(Infinity);\n\t     * // => 9007199254740991\n\t     *\n\t     * _.toSafeInteger('3.2');\n\t     * // => 3\n\t     */\n\t    function toSafeInteger(value) {\n\t      return value\n\t        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n\t        : (value === 0 ? value : 0);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a string. An empty string is returned for `null`\n\t     * and `undefined` values. The sign of `-0` is preserved.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.toString(null);\n\t     * // => ''\n\t     *\n\t     * _.toString(-0);\n\t     * // => '-0'\n\t     *\n\t     * _.toString([1, 2, 3]);\n\t     * // => '1,2,3'\n\t     */\n\t    function toString(value) {\n\t      return value == null ? '' : baseToString(value);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Assigns own enumerable string keyed properties of source objects to the\n\t     * destination object. Source objects are applied from left to right.\n\t     * Subsequent sources overwrite property assignments of previous sources.\n\t     *\n\t     * **Note:** This method mutates `object` and is loosely based on\n\t     * [`Object.assign`](https://mdn.io/Object/assign).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.10.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * function Bar() {\n\t     *   this.c = 3;\n\t     * }\n\t     *\n\t     * Foo.prototype.b = 2;\n\t     * Bar.prototype.d = 4;\n\t     *\n\t     * _.assign({ 'a': 0 }, new Foo, new Bar);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    var assign = createAssigner(function(object, source) {\n\t      if (isPrototype(source) || isArrayLike(source)) {\n\t        copyObject(source, keys(source), object);\n\t        return;\n\t      }\n\t      for (var key in source) {\n\t        if (hasOwnProperty.call(source, key)) {\n\t          assignValue(object, key, source[key]);\n\t        }\n\t      }\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it iterates over own and\n\t     * inherited source properties.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias extend\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assign\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * function Bar() {\n\t     *   this.c = 3;\n\t     * }\n\t     *\n\t     * Foo.prototype.b = 2;\n\t     * Bar.prototype.d = 4;\n\t     *\n\t     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n\t     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n\t     */\n\t    var assignIn = createAssigner(function(object, source) {\n\t      copyObject(source, keysIn(source), object);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assignIn` except that it accepts `customizer`\n\t     * which is invoked to produce the assigned values. If `customizer` returns\n\t     * `undefined`, assignment is handled by the method instead. The `customizer`\n\t     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias extendWith\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignWith\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   return _.isUndefined(objValue) ? srcValue : objValue;\n\t     * }\n\t     *\n\t     * var defaults = _.partialRight(_.assignInWith, customizer);\n\t     *\n\t     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      copyObject(source, keysIn(source), object, customizer);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it accepts `customizer`\n\t     * which is invoked to produce the assigned values. If `customizer` returns\n\t     * `undefined`, assignment is handled by the method instead. The `customizer`\n\t     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignInWith\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   return _.isUndefined(objValue) ? srcValue : objValue;\n\t     * }\n\t     *\n\t     * var defaults = _.partialRight(_.assignWith, customizer);\n\t     *\n\t     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      copyObject(source, keys(source), object, customizer);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of values corresponding to `paths` of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Array} Returns the picked values.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t     *\n\t     * _.at(object, ['a[0].b.c', 'a[1]']);\n\t     * // => [3, 4]\n\t     */\n\t    var at = flatRest(baseAt);\n\t\n\t    /**\n\t     * Creates an object that inherits from the `prototype` object. If a\n\t     * `properties` object is given, its own enumerable string keyed properties\n\t     * are assigned to the created object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.3.0\n\t     * @category Object\n\t     * @param {Object} prototype The object to inherit from.\n\t     * @param {Object} [properties] The properties to assign to the object.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * function Shape() {\n\t     *   this.x = 0;\n\t     *   this.y = 0;\n\t     * }\n\t     *\n\t     * function Circle() {\n\t     *   Shape.call(this);\n\t     * }\n\t     *\n\t     * Circle.prototype = _.create(Shape.prototype, {\n\t     *   'constructor': Circle\n\t     * });\n\t     *\n\t     * var circle = new Circle;\n\t     * circle instanceof Circle;\n\t     * // => true\n\t     *\n\t     * circle instanceof Shape;\n\t     * // => true\n\t     */\n\t    function create(prototype, properties) {\n\t      var result = baseCreate(prototype);\n\t      return properties == null ? result : baseAssign(result, properties);\n\t    }\n\t\n\t    /**\n\t     * Assigns own and inherited enumerable string keyed properties of source\n\t     * objects to the destination object for all destination properties that\n\t     * resolve to `undefined`. Source objects are applied from left to right.\n\t     * Once a property is set, additional values of the same property are ignored.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.defaultsDeep\n\t     * @example\n\t     *\n\t     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var defaults = baseRest(function(args) {\n\t      args.push(undefined, customDefaultsAssignIn);\n\t      return apply(assignInWith, undefined, args);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.defaults` except that it recursively assigns\n\t     * default properties.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.defaults\n\t     * @example\n\t     *\n\t     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n\t     * // => { 'a': { 'b': 2, 'c': 3 } }\n\t     */\n\t    var defaultsDeep = baseRest(function(args) {\n\t      args.push(undefined, customDefaultsMerge);\n\t      return apply(mergeWith, undefined, args);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.find` except that it returns the key of the first\n\t     * element `predicate` returns truthy for instead of the element itself.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {string|undefined} Returns the key of the matched element,\n\t     *  else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'barney':  { 'age': 36, 'active': true },\n\t     *   'fred':    { 'age': 40, 'active': false },\n\t     *   'pebbles': { 'age': 1,  'active': true }\n\t     * };\n\t     *\n\t     * _.findKey(users, function(o) { return o.age < 40; });\n\t     * // => 'barney' (iteration order is not guaranteed)\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findKey(users, { 'age': 1, 'active': true });\n\t     * // => 'pebbles'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findKey(users, ['active', false]);\n\t     * // => 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findKey(users, 'active');\n\t     * // => 'barney'\n\t     */\n\t    function findKey(object, predicate) {\n\t      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.findKey` except that it iterates over elements of\n\t     * a collection in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {string|undefined} Returns the key of the matched element,\n\t     *  else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'barney':  { 'age': 36, 'active': true },\n\t     *   'fred':    { 'age': 40, 'active': false },\n\t     *   'pebbles': { 'age': 1,  'active': true }\n\t     * };\n\t     *\n\t     * _.findLastKey(users, function(o) { return o.age < 40; });\n\t     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findLastKey(users, { 'age': 36, 'active': true });\n\t     * // => 'barney'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findLastKey(users, ['active', false]);\n\t     * // => 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findLastKey(users, 'active');\n\t     * // => 'pebbles'\n\t     */\n\t    function findLastKey(object, predicate) {\n\t      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n\t    }\n\t\n\t    /**\n\t     * Iterates over own and inherited enumerable string keyed properties of an\n\t     * object and invokes `iteratee` for each property. The iteratee is invoked\n\t     * with three arguments: (value, key, object). Iteratee functions may exit\n\t     * iteration early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forInRight\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forIn(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n\t     */\n\t    function forIn(object, iteratee) {\n\t      return object == null\n\t        ? object\n\t        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forIn` except that it iterates over properties of\n\t     * `object` in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forInRight(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n\t     */\n\t    function forInRight(object, iteratee) {\n\t      return object == null\n\t        ? object\n\t        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n\t    }\n\t\n\t    /**\n\t     * Iterates over own enumerable string keyed properties of an object and\n\t     * invokes `iteratee` for each property. The iteratee is invoked with three\n\t     * arguments: (value, key, object). Iteratee functions may exit iteration\n\t     * early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forOwnRight\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forOwn(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t     */\n\t    function forOwn(object, iteratee) {\n\t      return object && baseForOwn(object, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forOwn` except that it iterates over properties of\n\t     * `object` in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forOwn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forOwnRight(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n\t     */\n\t    function forOwnRight(object, iteratee) {\n\t      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of function property names from own enumerable properties\n\t     * of `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @returns {Array} Returns the function names.\n\t     * @see _.functionsIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = _.constant('a');\n\t     *   this.b = _.constant('b');\n\t     * }\n\t     *\n\t     * Foo.prototype.c = _.constant('c');\n\t     *\n\t     * _.functions(new Foo);\n\t     * // => ['a', 'b']\n\t     */\n\t    function functions(object) {\n\t      return object == null ? [] : baseFunctions(object, keys(object));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of function property names from own and inherited\n\t     * enumerable properties of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @returns {Array} Returns the function names.\n\t     * @see _.functions\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = _.constant('a');\n\t     *   this.b = _.constant('b');\n\t     * }\n\t     *\n\t     * Foo.prototype.c = _.constant('c');\n\t     *\n\t     * _.functionsIn(new Foo);\n\t     * // => ['a', 'b', 'c']\n\t     */\n\t    function functionsIn(object) {\n\t      return object == null ? [] : baseFunctions(object, keysIn(object));\n\t    }\n\t\n\t    /**\n\t     * Gets the value at `path` of `object`. If the resolved value is\n\t     * `undefined`, the `defaultValue` is returned in its place.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.get(object, 'a[0].b.c');\n\t     * // => 3\n\t     *\n\t     * _.get(object, ['a', '0', 'b', 'c']);\n\t     * // => 3\n\t     *\n\t     * _.get(object, 'a.b.c', 'default');\n\t     * // => 'default'\n\t     */\n\t    function get(object, path, defaultValue) {\n\t      var result = object == null ? undefined : baseGet(object, path);\n\t      return result === undefined ? defaultValue : result;\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` is a direct property of `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': { 'b': 2 } };\n\t     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n\t     *\n\t     * _.has(object, 'a');\n\t     * // => true\n\t     *\n\t     * _.has(object, 'a.b');\n\t     * // => true\n\t     *\n\t     * _.has(object, ['a', 'b']);\n\t     * // => true\n\t     *\n\t     * _.has(other, 'a');\n\t     * // => false\n\t     */\n\t    function has(object, path) {\n\t      return object != null && hasPath(object, path, baseHas);\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` is a direct or inherited property of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     * @example\n\t     *\n\t     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n\t     *\n\t     * _.hasIn(object, 'a');\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, 'a.b');\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, ['a', 'b']);\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, 'b');\n\t     * // => false\n\t     */\n\t    function hasIn(object, path) {\n\t      return object != null && hasPath(object, path, baseHasIn);\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of the inverted keys and values of `object`.\n\t     * If `object` contains duplicate values, subsequent values overwrite\n\t     * property assignments of previous values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to invert.\n\t     * @returns {Object} Returns the new inverted object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t     *\n\t     * _.invert(object);\n\t     * // => { '1': 'c', '2': 'b' }\n\t     */\n\t    var invert = createInverter(function(result, value, key) {\n\t      result[value] = key;\n\t    }, constant(identity));\n\t\n\t    /**\n\t     * This method is like `_.invert` except that the inverted object is generated\n\t     * from the results of running each element of `object` thru `iteratee`. The\n\t     * corresponding inverted value of each inverted key is an array of keys\n\t     * responsible for generating the inverted value. The iteratee is invoked\n\t     * with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.1.0\n\t     * @category Object\n\t     * @param {Object} object The object to invert.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Object} Returns the new inverted object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t     *\n\t     * _.invertBy(object);\n\t     * // => { '1': ['a', 'c'], '2': ['b'] }\n\t     *\n\t     * _.invertBy(object, function(value) {\n\t     *   return 'group' + value;\n\t     * });\n\t     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n\t     */\n\t    var invertBy = createInverter(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, value)) {\n\t        result[value].push(key);\n\t      } else {\n\t        result[value] = [key];\n\t      }\n\t    }, getIteratee);\n\t\n\t    /**\n\t     * Invokes the method at `path` of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {*} Returns the result of the invoked method.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n\t     *\n\t     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n\t     * // => [2, 3]\n\t     */\n\t    var invoke = baseRest(baseInvoke);\n\t\n\t    /**\n\t     * Creates an array of the own enumerable property names of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects. See the\n\t     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n\t     * for more details.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.keys(new Foo);\n\t     * // => ['a', 'b'] (iteration order is not guaranteed)\n\t     *\n\t     * _.keys('hi');\n\t     * // => ['0', '1']\n\t     */\n\t    function keys(object) {\n\t      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable property names of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.keysIn(new Foo);\n\t     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n\t     */\n\t    function keysIn(object) {\n\t      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.mapValues`; this method creates an object with the\n\t     * same values as `object` and keys generated by running each own enumerable\n\t     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n\t     * with three arguments: (value, key, object).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns the new mapped object.\n\t     * @see _.mapValues\n\t     * @example\n\t     *\n\t     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n\t     *   return key + value;\n\t     * });\n\t     * // => { 'a1': 1, 'b2': 2 }\n\t     */\n\t    function mapKeys(object, iteratee) {\n\t      var result = {};\n\t      iteratee = getIteratee(iteratee, 3);\n\t\n\t      baseForOwn(object, function(value, key, object) {\n\t        baseAssignValue(result, iteratee(value, key, object), value);\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an object with the same keys as `object` and values generated\n\t     * by running each own enumerable string keyed property of `object` thru\n\t     * `iteratee`. The iteratee is invoked with three arguments:\n\t     * (value, key, object).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns the new mapped object.\n\t     * @see _.mapKeys\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'fred':    { 'user': 'fred',    'age': 40 },\n\t     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n\t     * };\n\t     *\n\t     * _.mapValues(users, function(o) { return o.age; });\n\t     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.mapValues(users, 'age');\n\t     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t     */\n\t    function mapValues(object, iteratee) {\n\t      var result = {};\n\t      iteratee = getIteratee(iteratee, 3);\n\t\n\t      baseForOwn(object, function(value, key, object) {\n\t        baseAssignValue(result, key, iteratee(value, key, object));\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it recursively merges own and\n\t     * inherited enumerable string keyed properties of source objects into the\n\t     * destination object. Source properties that resolve to `undefined` are\n\t     * skipped if a destination value exists. Array and plain object properties\n\t     * are merged recursively. Other objects and value types are overridden by\n\t     * assignment. Source objects are applied from left to right. Subsequent\n\t     * sources overwrite property assignments of previous sources.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {\n\t     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n\t     * };\n\t     *\n\t     * var other = {\n\t     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n\t     * };\n\t     *\n\t     * _.merge(object, other);\n\t     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n\t     */\n\t    var merge = createAssigner(function(object, source, srcIndex) {\n\t      baseMerge(object, source, srcIndex);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.merge` except that it accepts `customizer` which\n\t     * is invoked to produce the merged values of the destination and source\n\t     * properties. If `customizer` returns `undefined`, merging is handled by the\n\t     * method instead. The `customizer` is invoked with six arguments:\n\t     * (objValue, srcValue, key, object, source, stack).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} customizer The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   if (_.isArray(objValue)) {\n\t     *     return objValue.concat(srcValue);\n\t     *   }\n\t     * }\n\t     *\n\t     * var object = { 'a': [1], 'b': [2] };\n\t     * var other = { 'a': [3], 'b': [4] };\n\t     *\n\t     * _.mergeWith(object, other, customizer);\n\t     * // => { 'a': [1, 3], 'b': [2, 4] }\n\t     */\n\t    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      baseMerge(object, source, srcIndex, customizer);\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.pick`; this method creates an object composed of the\n\t     * own and inherited enumerable property paths of `object` that are not omitted.\n\t     *\n\t     * **Note:** This method is considerably slower than `_.pick`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {...(string|string[])} [paths] The property paths to omit.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.omit(object, ['a', 'c']);\n\t     * // => { 'b': '2' }\n\t     */\n\t    var omit = flatRest(function(object, paths) {\n\t      var result = {};\n\t      if (object == null) {\n\t        return result;\n\t      }\n\t      var isDeep = false;\n\t      paths = arrayMap(paths, function(path) {\n\t        path = castPath(path, object);\n\t        isDeep || (isDeep = path.length > 1);\n\t        return path;\n\t      });\n\t      copyObject(object, getAllKeysIn(object), result);\n\t      if (isDeep) {\n\t        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n\t      }\n\t      var length = paths.length;\n\t      while (length--) {\n\t        baseUnset(result, paths[length]);\n\t      }\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.pickBy`; this method creates an object composed of\n\t     * the own and inherited enumerable string keyed properties of `object` that\n\t     * `predicate` doesn't return truthy for. The predicate is invoked with two\n\t     * arguments: (value, key).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {Function} [predicate=_.identity] The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.omitBy(object, _.isNumber);\n\t     * // => { 'b': '2' }\n\t     */\n\t    function omitBy(object, predicate) {\n\t      return pickBy(object, negate(getIteratee(predicate)));\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of the picked `object` properties.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.pick(object, ['a', 'c']);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    var pick = flatRest(function(object, paths) {\n\t      return object == null ? {} : basePick(object, paths);\n\t    });\n\t\n\t    /**\n\t     * Creates an object composed of the `object` properties `predicate` returns\n\t     * truthy for. The predicate is invoked with two arguments: (value, key).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {Function} [predicate=_.identity] The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.pickBy(object, _.isNumber);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    function pickBy(object, predicate) {\n\t      if (object == null) {\n\t        return {};\n\t      }\n\t      var props = arrayMap(getAllKeysIn(object), function(prop) {\n\t        return [prop];\n\t      });\n\t      predicate = getIteratee(predicate);\n\t      return basePickBy(object, props, function(value, path) {\n\t        return predicate(value, path[0]);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.get` except that if the resolved value is a\n\t     * function it's invoked with the `this` binding of its parent object and\n\t     * its result is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to resolve.\n\t     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n\t     *\n\t     * _.result(object, 'a[0].b.c1');\n\t     * // => 3\n\t     *\n\t     * _.result(object, 'a[0].b.c2');\n\t     * // => 4\n\t     *\n\t     * _.result(object, 'a[0].b.c3', 'default');\n\t     * // => 'default'\n\t     *\n\t     * _.result(object, 'a[0].b.c3', _.constant('default'));\n\t     * // => 'default'\n\t     */\n\t    function result(object, path, defaultValue) {\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length;\n\t\n\t      // Ensure the loop is entered when path is empty.\n\t      if (!length) {\n\t        length = 1;\n\t        object = undefined;\n\t      }\n\t      while (++index < length) {\n\t        var value = object == null ? undefined : object[toKey(path[index])];\n\t        if (value === undefined) {\n\t          index = length;\n\t          value = defaultValue;\n\t        }\n\t        object = isFunction(value) ? value.call(object) : value;\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n\t     * it's created. Arrays are created for missing index properties while objects\n\t     * are created for all other missing properties. Use `_.setWith` to customize\n\t     * `path` creation.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.set(object, 'a[0].b.c', 4);\n\t     * console.log(object.a[0].b.c);\n\t     * // => 4\n\t     *\n\t     * _.set(object, ['x', '0', 'y', 'z'], 5);\n\t     * console.log(object.x[0].y.z);\n\t     * // => 5\n\t     */\n\t    function set(object, path, value) {\n\t      return object == null ? object : baseSet(object, path, value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.set` except that it accepts `customizer` which is\n\t     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n\t     * path creation is handled by the method instead. The `customizer` is invoked\n\t     * with three arguments: (nsValue, key, nsObject).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {};\n\t     *\n\t     * _.setWith(object, '[0][1]', 'a', Object);\n\t     * // => { '0': { '1': 'a' } }\n\t     */\n\t    function setWith(object, path, value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return object == null ? object : baseSet(object, path, value, customizer);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own enumerable string keyed-value pairs for `object`\n\t     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n\t     * entries are returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias entries\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the key-value pairs.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.toPairs(new Foo);\n\t     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n\t     */\n\t    var toPairs = createToPairs(keys);\n\t\n\t    /**\n\t     * Creates an array of own and inherited enumerable string keyed-value pairs\n\t     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n\t     * or set, its entries are returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias entriesIn\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the key-value pairs.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.toPairsIn(new Foo);\n\t     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n\t     */\n\t    var toPairsIn = createToPairs(keysIn);\n\t\n\t    /**\n\t     * An alternative to `_.reduce`; this method transforms `object` to a new\n\t     * `accumulator` object which is the result of running each of its own\n\t     * enumerable string keyed properties thru `iteratee`, with each invocation\n\t     * potentially mutating the `accumulator` object. If `accumulator` is not\n\t     * provided, a new object with the same `[[Prototype]]` will be used. The\n\t     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The custom accumulator value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @example\n\t     *\n\t     * _.transform([2, 3, 4], function(result, n) {\n\t     *   result.push(n *= n);\n\t     *   return n % 2 == 0;\n\t     * }, []);\n\t     * // => [4, 9]\n\t     *\n\t     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t     *   (result[value] || (result[value] = [])).push(key);\n\t     * }, {});\n\t     * // => { '1': ['a', 'c'], '2': ['b'] }\n\t     */\n\t    function transform(object, iteratee, accumulator) {\n\t      var isArr = isArray(object),\n\t          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\t\n\t      iteratee = getIteratee(iteratee, 4);\n\t      if (accumulator == null) {\n\t        var Ctor = object && object.constructor;\n\t        if (isArrLike) {\n\t          accumulator = isArr ? new Ctor : [];\n\t        }\n\t        else if (isObject(object)) {\n\t          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n\t        }\n\t        else {\n\t          accumulator = {};\n\t        }\n\t      }\n\t      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n\t        return iteratee(accumulator, value, index, object);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * Removes the property at `path` of `object`.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to unset.\n\t     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n\t     * _.unset(object, 'a[0].b.c');\n\t     * // => true\n\t     *\n\t     * console.log(object);\n\t     * // => { 'a': [{ 'b': {} }] };\n\t     *\n\t     * _.unset(object, ['a', '0', 'b', 'c']);\n\t     * // => true\n\t     *\n\t     * console.log(object);\n\t     * // => { 'a': [{ 'b': {} }] };\n\t     */\n\t    function unset(object, path) {\n\t      return object == null ? true : baseUnset(object, path);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.set` except that accepts `updater` to produce the\n\t     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n\t     * is invoked with one argument: (value).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n\t     * console.log(object.a[0].b.c);\n\t     * // => 9\n\t     *\n\t     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n\t     * console.log(object.x[0].y.z);\n\t     * // => 0\n\t     */\n\t    function update(object, path, updater) {\n\t      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.update` except that it accepts `customizer` which is\n\t     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n\t     * path creation is handled by the method instead. The `customizer` is invoked\n\t     * with three arguments: (nsValue, key, nsObject).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {};\n\t     *\n\t     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n\t     * // => { '0': { '1': 'a' } }\n\t     */\n\t    function updateWith(object, path, updater, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own enumerable string keyed property values of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property values.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.values(new Foo);\n\t     * // => [1, 2] (iteration order is not guaranteed)\n\t     *\n\t     * _.values('hi');\n\t     * // => ['h', 'i']\n\t     */\n\t    function values(object) {\n\t      return object == null ? [] : baseValues(object, keys(object));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable string keyed property\n\t     * values of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property values.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.valuesIn(new Foo);\n\t     * // => [1, 2, 3] (iteration order is not guaranteed)\n\t     */\n\t    function valuesIn(object) {\n\t      return object == null ? [] : baseValues(object, keysIn(object));\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Number\n\t     * @param {number} number The number to clamp.\n\t     * @param {number} [lower] The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the clamped number.\n\t     * @example\n\t     *\n\t     * _.clamp(-10, -5, 5);\n\t     * // => -5\n\t     *\n\t     * _.clamp(10, -5, 5);\n\t     * // => 5\n\t     */\n\t    function clamp(number, lower, upper) {\n\t      if (upper === undefined) {\n\t        upper = lower;\n\t        lower = undefined;\n\t      }\n\t      if (upper !== undefined) {\n\t        upper = toNumber(upper);\n\t        upper = upper === upper ? upper : 0;\n\t      }\n\t      if (lower !== undefined) {\n\t        lower = toNumber(lower);\n\t        lower = lower === lower ? lower : 0;\n\t      }\n\t      return baseClamp(toNumber(number), lower, upper);\n\t    }\n\t\n\t    /**\n\t     * Checks if `n` is between `start` and up to, but not including, `end`. If\n\t     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n\t     * If `start` is greater than `end` the params are swapped to support\n\t     * negative ranges.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.3.0\n\t     * @category Number\n\t     * @param {number} number The number to check.\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t     * @see _.range, _.rangeRight\n\t     * @example\n\t     *\n\t     * _.inRange(3, 2, 4);\n\t     * // => true\n\t     *\n\t     * _.inRange(4, 8);\n\t     * // => true\n\t     *\n\t     * _.inRange(4, 2);\n\t     * // => false\n\t     *\n\t     * _.inRange(2, 2);\n\t     * // => false\n\t     *\n\t     * _.inRange(1.2, 2);\n\t     * // => true\n\t     *\n\t     * _.inRange(5.2, 4);\n\t     * // => false\n\t     *\n\t     * _.inRange(-3, -2, -6);\n\t     * // => true\n\t     */\n\t    function inRange(number, start, end) {\n\t      start = toFinite(start);\n\t      if (end === undefined) {\n\t        end = start;\n\t        start = 0;\n\t      } else {\n\t        end = toFinite(end);\n\t      }\n\t      number = toNumber(number);\n\t      return baseInRange(number, start, end);\n\t    }\n\t\n\t    /**\n\t     * Produces a random number between the inclusive `lower` and `upper` bounds.\n\t     * If only one argument is provided a number between `0` and the given number\n\t     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n\t     * floats, a floating-point number is returned instead of an integer.\n\t     *\n\t     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t     * floating-point values which can produce unexpected results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.7.0\n\t     * @category Number\n\t     * @param {number} [lower=0] The lower bound.\n\t     * @param {number} [upper=1] The upper bound.\n\t     * @param {boolean} [floating] Specify returning a floating-point number.\n\t     * @returns {number} Returns the random number.\n\t     * @example\n\t     *\n\t     * _.random(0, 5);\n\t     * // => an integer between 0 and 5\n\t     *\n\t     * _.random(5);\n\t     * // => also an integer between 0 and 5\n\t     *\n\t     * _.random(5, true);\n\t     * // => a floating-point number between 0 and 5\n\t     *\n\t     * _.random(1.2, 5.2);\n\t     * // => a floating-point number between 1.2 and 5.2\n\t     */\n\t    function random(lower, upper, floating) {\n\t      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n\t        upper = floating = undefined;\n\t      }\n\t      if (floating === undefined) {\n\t        if (typeof upper == 'boolean') {\n\t          floating = upper;\n\t          upper = undefined;\n\t        }\n\t        else if (typeof lower == 'boolean') {\n\t          floating = lower;\n\t          lower = undefined;\n\t        }\n\t      }\n\t      if (lower === undefined && upper === undefined) {\n\t        lower = 0;\n\t        upper = 1;\n\t      }\n\t      else {\n\t        lower = toFinite(lower);\n\t        if (upper === undefined) {\n\t          upper = lower;\n\t          lower = 0;\n\t        } else {\n\t          upper = toFinite(upper);\n\t        }\n\t      }\n\t      if (lower > upper) {\n\t        var temp = lower;\n\t        lower = upper;\n\t        upper = temp;\n\t      }\n\t      if (floating || lower % 1 || upper % 1) {\n\t        var rand = nativeRandom();\n\t        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n\t      }\n\t      return baseRandom(lower, upper);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the camel cased string.\n\t     * @example\n\t     *\n\t     * _.camelCase('Foo Bar');\n\t     * // => 'fooBar'\n\t     *\n\t     * _.camelCase('--foo-bar--');\n\t     * // => 'fooBar'\n\t     *\n\t     * _.camelCase('__FOO_BAR__');\n\t     * // => 'fooBar'\n\t     */\n\t    var camelCase = createCompounder(function(result, word, index) {\n\t      word = word.toLowerCase();\n\t      return result + (index ? capitalize(word) : word);\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to upper case and the remaining\n\t     * to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to capitalize.\n\t     * @returns {string} Returns the capitalized string.\n\t     * @example\n\t     *\n\t     * _.capitalize('FRED');\n\t     * // => 'Fred'\n\t     */\n\t    function capitalize(string) {\n\t      return upperFirst(toString(string).toLowerCase());\n\t    }\n\t\n\t    /**\n\t     * Deburrs `string` by converting\n\t     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n\t     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n\t     * letters to basic Latin letters and removing\n\t     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to deburr.\n\t     * @returns {string} Returns the deburred string.\n\t     * @example\n\t     *\n\t     * _.deburr('déjà vu');\n\t     * // => 'deja vu'\n\t     */\n\t    function deburr(string) {\n\t      string = toString(string);\n\t      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n\t    }\n\t\n\t    /**\n\t     * Checks if `string` ends with the given target string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {string} [target] The string to search for.\n\t     * @param {number} [position=string.length] The position to search up to.\n\t     * @returns {boolean} Returns `true` if `string` ends with `target`,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.endsWith('abc', 'c');\n\t     * // => true\n\t     *\n\t     * _.endsWith('abc', 'b');\n\t     * // => false\n\t     *\n\t     * _.endsWith('abc', 'b', 2);\n\t     * // => true\n\t     */\n\t    function endsWith(string, target, position) {\n\t      string = toString(string);\n\t      target = baseToString(target);\n\t\n\t      var length = string.length;\n\t      position = position === undefined\n\t        ? length\n\t        : baseClamp(toInteger(position), 0, length);\n\t\n\t      var end = position;\n\t      position -= target.length;\n\t      return position >= 0 && string.slice(position, end) == target;\n\t    }\n\t\n\t    /**\n\t     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n\t     * corresponding HTML entities.\n\t     *\n\t     * **Note:** No other characters are escaped. To escape additional\n\t     * characters use a third-party library like [_he_](https://mths.be/he).\n\t     *\n\t     * Though the \">\" character is escaped for symmetry, characters like\n\t     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n\t     * unless they're part of a tag or unquoted attribute value. See\n\t     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n\t     * (under \"semi-related fun fact\") for more details.\n\t     *\n\t     * When working with HTML you should always\n\t     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n\t     * XSS vectors.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category String\n\t     * @param {string} [string=''] The string to escape.\n\t     * @returns {string} Returns the escaped string.\n\t     * @example\n\t     *\n\t     * _.escape('fred, barney, & pebbles');\n\t     * // => 'fred, barney, &amp; pebbles'\n\t     */\n\t    function escape(string) {\n\t      string = toString(string);\n\t      return (string && reHasUnescapedHtml.test(string))\n\t        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n\t     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to escape.\n\t     * @returns {string} Returns the escaped string.\n\t     * @example\n\t     *\n\t     * _.escapeRegExp('[lodash](https://lodash.com/)');\n\t     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n\t     */\n\t    function escapeRegExp(string) {\n\t      string = toString(string);\n\t      return (string && reHasRegExpChar.test(string))\n\t        ? string.replace(reRegExpChar, '\\\\$&')\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the kebab cased string.\n\t     * @example\n\t     *\n\t     * _.kebabCase('Foo Bar');\n\t     * // => 'foo-bar'\n\t     *\n\t     * _.kebabCase('fooBar');\n\t     * // => 'foo-bar'\n\t     *\n\t     * _.kebabCase('__FOO_BAR__');\n\t     * // => 'foo-bar'\n\t     */\n\t    var kebabCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? '-' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Converts `string`, as space separated words, to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the lower cased string.\n\t     * @example\n\t     *\n\t     * _.lowerCase('--Foo-Bar--');\n\t     * // => 'foo bar'\n\t     *\n\t     * _.lowerCase('fooBar');\n\t     * // => 'foo bar'\n\t     *\n\t     * _.lowerCase('__FOO_BAR__');\n\t     * // => 'foo bar'\n\t     */\n\t    var lowerCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.lowerFirst('Fred');\n\t     * // => 'fred'\n\t     *\n\t     * _.lowerFirst('FRED');\n\t     * // => 'fRED'\n\t     */\n\t    var lowerFirst = createCaseFirst('toLowerCase');\n\t\n\t    /**\n\t     * Pads `string` on the left and right sides if it's shorter than `length`.\n\t     * Padding characters are truncated if they can't be evenly divided by `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.pad('abc', 8);\n\t     * // => '  abc   '\n\t     *\n\t     * _.pad('abc', 8, '_-');\n\t     * // => '_-abc_-_'\n\t     *\n\t     * _.pad('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function pad(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      if (!length || strLength >= length) {\n\t        return string;\n\t      }\n\t      var mid = (length - strLength) / 2;\n\t      return (\n\t        createPadding(nativeFloor(mid), chars) +\n\t        string +\n\t        createPadding(nativeCeil(mid), chars)\n\t      );\n\t    }\n\t\n\t    /**\n\t     * Pads `string` on the right side if it's shorter than `length`. Padding\n\t     * characters are truncated if they exceed `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.padEnd('abc', 6);\n\t     * // => 'abc   '\n\t     *\n\t     * _.padEnd('abc', 6, '_-');\n\t     * // => 'abc_-_'\n\t     *\n\t     * _.padEnd('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function padEnd(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      return (length && strLength < length)\n\t        ? (string + createPadding(length - strLength, chars))\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Pads `string` on the left side if it's shorter than `length`. Padding\n\t     * characters are truncated if they exceed `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.padStart('abc', 6);\n\t     * // => '   abc'\n\t     *\n\t     * _.padStart('abc', 6, '_-');\n\t     * // => '_-_abc'\n\t     *\n\t     * _.padStart('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function padStart(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      return (length && strLength < length)\n\t        ? (createPadding(length - strLength, chars) + string)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to an integer of the specified radix. If `radix` is\n\t     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n\t     * hexadecimal, in which case a `radix` of `16` is used.\n\t     *\n\t     * **Note:** This method aligns with the\n\t     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category String\n\t     * @param {string} string The string to convert.\n\t     * @param {number} [radix=10] The radix to interpret `value` by.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.parseInt('08');\n\t     * // => 8\n\t     *\n\t     * _.map(['6', '08', '10'], _.parseInt);\n\t     * // => [6, 8, 10]\n\t     */\n\t    function parseInt(string, radix, guard) {\n\t      if (guard || radix == null) {\n\t        radix = 0;\n\t      } else if (radix) {\n\t        radix = +radix;\n\t      }\n\t      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n\t    }\n\t\n\t    /**\n\t     * Repeats the given string `n` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to repeat.\n\t     * @param {number} [n=1] The number of times to repeat the string.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the repeated string.\n\t     * @example\n\t     *\n\t     * _.repeat('*', 3);\n\t     * // => '***'\n\t     *\n\t     * _.repeat('abc', 2);\n\t     * // => 'abcabc'\n\t     *\n\t     * _.repeat('abc', 0);\n\t     * // => ''\n\t     */\n\t    function repeat(string, n, guard) {\n\t      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n\t        n = 1;\n\t      } else {\n\t        n = toInteger(n);\n\t      }\n\t      return baseRepeat(toString(string), n);\n\t    }\n\t\n\t    /**\n\t     * Replaces matches for `pattern` in `string` with `replacement`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`String#replace`](https://mdn.io/String/replace).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to modify.\n\t     * @param {RegExp|string} pattern The pattern to replace.\n\t     * @param {Function|string} replacement The match replacement.\n\t     * @returns {string} Returns the modified string.\n\t     * @example\n\t     *\n\t     * _.replace('Hi Fred', 'Fred', 'Barney');\n\t     * // => 'Hi Barney'\n\t     */\n\t    function replace() {\n\t      var args = arguments,\n\t          string = toString(args[0]);\n\t\n\t      return args.length < 3 ? string : string.replace(args[1], args[2]);\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the snake cased string.\n\t     * @example\n\t     *\n\t     * _.snakeCase('Foo Bar');\n\t     * // => 'foo_bar'\n\t     *\n\t     * _.snakeCase('fooBar');\n\t     * // => 'foo_bar'\n\t     *\n\t     * _.snakeCase('--FOO-BAR--');\n\t     * // => 'foo_bar'\n\t     */\n\t    var snakeCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? '_' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Splits `string` by `separator`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`String#split`](https://mdn.io/String/split).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to split.\n\t     * @param {RegExp|string} separator The separator pattern to split by.\n\t     * @param {number} [limit] The length to truncate results to.\n\t     * @returns {Array} Returns the string segments.\n\t     * @example\n\t     *\n\t     * _.split('a-b-c', '-', 2);\n\t     * // => ['a', 'b']\n\t     */\n\t    function split(string, separator, limit) {\n\t      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n\t        separator = limit = undefined;\n\t      }\n\t      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n\t      if (!limit) {\n\t        return [];\n\t      }\n\t      string = toString(string);\n\t      if (string && (\n\t            typeof separator == 'string' ||\n\t            (separator != null && !isRegExp(separator))\n\t          )) {\n\t        separator = baseToString(separator);\n\t        if (!separator && hasUnicode(string)) {\n\t          return castSlice(stringToArray(string), 0, limit);\n\t        }\n\t      }\n\t      return string.split(separator, limit);\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.1.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the start cased string.\n\t     * @example\n\t     *\n\t     * _.startCase('--foo-bar--');\n\t     * // => 'Foo Bar'\n\t     *\n\t     * _.startCase('fooBar');\n\t     * // => 'Foo Bar'\n\t     *\n\t     * _.startCase('__FOO_BAR__');\n\t     * // => 'FOO BAR'\n\t     */\n\t    var startCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + upperFirst(word);\n\t    });\n\t\n\t    /**\n\t     * Checks if `string` starts with the given target string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {string} [target] The string to search for.\n\t     * @param {number} [position=0] The position to search from.\n\t     * @returns {boolean} Returns `true` if `string` starts with `target`,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.startsWith('abc', 'a');\n\t     * // => true\n\t     *\n\t     * _.startsWith('abc', 'b');\n\t     * // => false\n\t     *\n\t     * _.startsWith('abc', 'b', 1);\n\t     * // => true\n\t     */\n\t    function startsWith(string, target, position) {\n\t      string = toString(string);\n\t      position = position == null\n\t        ? 0\n\t        : baseClamp(toInteger(position), 0, string.length);\n\t\n\t      target = baseToString(target);\n\t      return string.slice(position, position + target.length) == target;\n\t    }\n\t\n\t    /**\n\t     * Creates a compiled template function that can interpolate data properties\n\t     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n\t     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n\t     * properties may be accessed as free variables in the template. If a setting\n\t     * object is given, it takes precedence over `_.templateSettings` values.\n\t     *\n\t     * **Note:** In the development build `_.template` utilizes\n\t     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n\t     * for easier debugging.\n\t     *\n\t     * For more information on precompiling templates see\n\t     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n\t     *\n\t     * For more information on Chrome extension sandboxes see\n\t     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category String\n\t     * @param {string} [string=''] The template string.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {RegExp} [options.escape=_.templateSettings.escape]\n\t     *  The HTML \"escape\" delimiter.\n\t     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n\t     *  The \"evaluate\" delimiter.\n\t     * @param {Object} [options.imports=_.templateSettings.imports]\n\t     *  An object to import into the template as free variables.\n\t     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n\t     *  The \"interpolate\" delimiter.\n\t     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n\t     *  The sourceURL of the compiled template.\n\t     * @param {string} [options.variable='obj']\n\t     *  The data object variable name.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the compiled template function.\n\t     * @example\n\t     *\n\t     * // Use the \"interpolate\" delimiter to create a compiled template.\n\t     * var compiled = _.template('hello <%= user %>!');\n\t     * compiled({ 'user': 'fred' });\n\t     * // => 'hello fred!'\n\t     *\n\t     * // Use the HTML \"escape\" delimiter to escape data property values.\n\t     * var compiled = _.template('<b><%- value %></b>');\n\t     * compiled({ 'value': '<script>' });\n\t     * // => '<b>&lt;script&gt;</b>'\n\t     *\n\t     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n\t     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n\t     * compiled({ 'users': ['fred', 'barney'] });\n\t     * // => '<li>fred</li><li>barney</li>'\n\t     *\n\t     * // Use the internal `print` function in \"evaluate\" delimiters.\n\t     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n\t     * compiled({ 'user': 'barney' });\n\t     * // => 'hello barney!'\n\t     *\n\t     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n\t     * // Disable support by replacing the \"interpolate\" delimiter.\n\t     * var compiled = _.template('hello ${ user }!');\n\t     * compiled({ 'user': 'pebbles' });\n\t     * // => 'hello pebbles!'\n\t     *\n\t     * // Use backslashes to treat delimiters as plain text.\n\t     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n\t     * compiled({ 'value': 'ignored' });\n\t     * // => '<%- value %>'\n\t     *\n\t     * // Use the `imports` option to import `jQuery` as `jq`.\n\t     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n\t     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n\t     * compiled({ 'users': ['fred', 'barney'] });\n\t     * // => '<li>fred</li><li>barney</li>'\n\t     *\n\t     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n\t     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n\t     * compiled(data);\n\t     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n\t     *\n\t     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n\t     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n\t     * compiled.source;\n\t     * // => function(data) {\n\t     * //   var __t, __p = '';\n\t     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n\t     * //   return __p;\n\t     * // }\n\t     *\n\t     * // Use custom template delimiters.\n\t     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n\t     * var compiled = _.template('hello {{ user }}!');\n\t     * compiled({ 'user': 'mustache' });\n\t     * // => 'hello mustache!'\n\t     *\n\t     * // Use the `source` property to inline compiled templates for meaningful\n\t     * // line numbers in error messages and stack traces.\n\t     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n\t     *   var JST = {\\\n\t     *     \"main\": ' + _.template(mainText).source + '\\\n\t     *   };\\\n\t     * ');\n\t     */\n\t    function template(string, options, guard) {\n\t      // Based on John Resig's `tmpl` implementation\n\t      // (http://ejohn.org/blog/javascript-micro-templating/)\n\t      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n\t      var settings = lodash.templateSettings;\n\t\n\t      if (guard && isIterateeCall(string, options, guard)) {\n\t        options = undefined;\n\t      }\n\t      string = toString(string);\n\t      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\t\n\t      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n\t          importsKeys = keys(imports),\n\t          importsValues = baseValues(imports, importsKeys);\n\t\n\t      var isEscaping,\n\t          isEvaluating,\n\t          index = 0,\n\t          interpolate = options.interpolate || reNoMatch,\n\t          source = \"__p += '\";\n\t\n\t      // Compile the regexp to match each delimiter.\n\t      var reDelimiters = RegExp(\n\t        (options.escape || reNoMatch).source + '|' +\n\t        interpolate.source + '|' +\n\t        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n\t        (options.evaluate || reNoMatch).source + '|$'\n\t      , 'g');\n\t\n\t      // Use a sourceURL for easier debugging.\n\t      var sourceURL = '//# sourceURL=' +\n\t        ('sourceURL' in options\n\t          ? options.sourceURL\n\t          : ('lodash.templateSources[' + (++templateCounter) + ']')\n\t        ) + '\\n';\n\t\n\t      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n\t        interpolateValue || (interpolateValue = esTemplateValue);\n\t\n\t        // Escape characters that can't be included in string literals.\n\t        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\t\n\t        // Replace delimiters with snippets.\n\t        if (escapeValue) {\n\t          isEscaping = true;\n\t          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n\t        }\n\t        if (evaluateValue) {\n\t          isEvaluating = true;\n\t          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n\t        }\n\t        if (interpolateValue) {\n\t          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n\t        }\n\t        index = offset + match.length;\n\t\n\t        // The JS engine embedded in Adobe products needs `match` returned in\n\t        // order to produce the correct `offset` value.\n\t        return match;\n\t      });\n\t\n\t      source += \"';\\n\";\n\t\n\t      // If `variable` is not specified wrap a with-statement around the generated\n\t      // code to add the data object to the top of the scope chain.\n\t      var variable = options.variable;\n\t      if (!variable) {\n\t        source = 'with (obj) {\\n' + source + '\\n}\\n';\n\t      }\n\t      // Cleanup code by stripping empty strings.\n\t      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n\t        .replace(reEmptyStringMiddle, '$1')\n\t        .replace(reEmptyStringTrailing, '$1;');\n\t\n\t      // Frame code as the function body.\n\t      source = 'function(' + (variable || 'obj') + ') {\\n' +\n\t        (variable\n\t          ? ''\n\t          : 'obj || (obj = {});\\n'\n\t        ) +\n\t        \"var __t, __p = ''\" +\n\t        (isEscaping\n\t           ? ', __e = _.escape'\n\t           : ''\n\t        ) +\n\t        (isEvaluating\n\t          ? ', __j = Array.prototype.join;\\n' +\n\t            \"function print() { __p += __j.call(arguments, '') }\\n\"\n\t          : ';\\n'\n\t        ) +\n\t        source +\n\t        'return __p\\n}';\n\t\n\t      var result = attempt(function() {\n\t        return Function(importsKeys, sourceURL + 'return ' + source)\n\t          .apply(undefined, importsValues);\n\t      });\n\t\n\t      // Provide the compiled function's source by its `toString` method or\n\t      // the `source` property as a convenience for inlining compiled templates.\n\t      result.source = source;\n\t      if (isError(result)) {\n\t        throw result;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as a whole, to lower case just like\n\t     * [String#toLowerCase](https://mdn.io/toLowerCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the lower cased string.\n\t     * @example\n\t     *\n\t     * _.toLower('--Foo-Bar--');\n\t     * // => '--foo-bar--'\n\t     *\n\t     * _.toLower('fooBar');\n\t     * // => 'foobar'\n\t     *\n\t     * _.toLower('__FOO_BAR__');\n\t     * // => '__foo_bar__'\n\t     */\n\t    function toLower(value) {\n\t      return toString(value).toLowerCase();\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as a whole, to upper case just like\n\t     * [String#toUpperCase](https://mdn.io/toUpperCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the upper cased string.\n\t     * @example\n\t     *\n\t     * _.toUpper('--foo-bar--');\n\t     * // => '--FOO-BAR--'\n\t     *\n\t     * _.toUpper('fooBar');\n\t     * // => 'FOOBAR'\n\t     *\n\t     * _.toUpper('__foo_bar__');\n\t     * // => '__FOO_BAR__'\n\t     */\n\t    function toUpper(value) {\n\t      return toString(value).toUpperCase();\n\t    }\n\t\n\t    /**\n\t     * Removes leading and trailing whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trim('  abc  ');\n\t     * // => 'abc'\n\t     *\n\t     * _.trim('-_-abc-_-', '_-');\n\t     * // => 'abc'\n\t     *\n\t     * _.map(['  foo  ', '  bar  '], _.trim);\n\t     * // => ['foo', 'bar']\n\t     */\n\t    function trim(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrim, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          chrSymbols = stringToArray(chars),\n\t          start = charsStartIndex(strSymbols, chrSymbols),\n\t          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\t\n\t      return castSlice(strSymbols, start, end).join('');\n\t    }\n\t\n\t    /**\n\t     * Removes trailing whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trimEnd('  abc  ');\n\t     * // => '  abc'\n\t     *\n\t     * _.trimEnd('-_-abc-_-', '_-');\n\t     * // => '-_-abc'\n\t     */\n\t    function trimEnd(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrimEnd, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\t\n\t      return castSlice(strSymbols, 0, end).join('');\n\t    }\n\t\n\t    /**\n\t     * Removes leading whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trimStart('  abc  ');\n\t     * // => 'abc  '\n\t     *\n\t     * _.trimStart('-_-abc-_-', '_-');\n\t     * // => 'abc-_-'\n\t     */\n\t    function trimStart(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrimStart, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          start = charsStartIndex(strSymbols, stringToArray(chars));\n\t\n\t      return castSlice(strSymbols, start).join('');\n\t    }\n\t\n\t    /**\n\t     * Truncates `string` if it's longer than the given maximum string length.\n\t     * The last characters of the truncated string are replaced with the omission\n\t     * string which defaults to \"...\".\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to truncate.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {number} [options.length=30] The maximum string length.\n\t     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n\t     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n\t     * @returns {string} Returns the truncated string.\n\t     * @example\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino');\n\t     * // => 'hi-diddly-ho there, neighbo...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'length': 24,\n\t     *   'separator': ' '\n\t     * });\n\t     * // => 'hi-diddly-ho there,...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'length': 24,\n\t     *   'separator': /,? +/\n\t     * });\n\t     * // => 'hi-diddly-ho there...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'omission': ' [...]'\n\t     * });\n\t     * // => 'hi-diddly-ho there, neig [...]'\n\t     */\n\t    function truncate(string, options) {\n\t      var length = DEFAULT_TRUNC_LENGTH,\n\t          omission = DEFAULT_TRUNC_OMISSION;\n\t\n\t      if (isObject(options)) {\n\t        var separator = 'separator' in options ? options.separator : separator;\n\t        length = 'length' in options ? toInteger(options.length) : length;\n\t        omission = 'omission' in options ? baseToString(options.omission) : omission;\n\t      }\n\t      string = toString(string);\n\t\n\t      var strLength = string.length;\n\t      if (hasUnicode(string)) {\n\t        var strSymbols = stringToArray(string);\n\t        strLength = strSymbols.length;\n\t      }\n\t      if (length >= strLength) {\n\t        return string;\n\t      }\n\t      var end = length - stringSize(omission);\n\t      if (end < 1) {\n\t        return omission;\n\t      }\n\t      var result = strSymbols\n\t        ? castSlice(strSymbols, 0, end).join('')\n\t        : string.slice(0, end);\n\t\n\t      if (separator === undefined) {\n\t        return result + omission;\n\t      }\n\t      if (strSymbols) {\n\t        end += (result.length - end);\n\t      }\n\t      if (isRegExp(separator)) {\n\t        if (string.slice(end).search(separator)) {\n\t          var match,\n\t              substring = result;\n\t\n\t          if (!separator.global) {\n\t            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n\t          }\n\t          separator.lastIndex = 0;\n\t          while ((match = separator.exec(substring))) {\n\t            var newEnd = match.index;\n\t          }\n\t          result = result.slice(0, newEnd === undefined ? end : newEnd);\n\t        }\n\t      } else if (string.indexOf(baseToString(separator), end) != end) {\n\t        var index = result.lastIndexOf(separator);\n\t        if (index > -1) {\n\t          result = result.slice(0, index);\n\t        }\n\t      }\n\t      return result + omission;\n\t    }\n\t\n\t    /**\n\t     * The inverse of `_.escape`; this method converts the HTML entities\n\t     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n\t     * their corresponding characters.\n\t     *\n\t     * **Note:** No other HTML entities are unescaped. To unescape additional\n\t     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.6.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to unescape.\n\t     * @returns {string} Returns the unescaped string.\n\t     * @example\n\t     *\n\t     * _.unescape('fred, barney, &amp; pebbles');\n\t     * // => 'fred, barney, & pebbles'\n\t     */\n\t    function unescape(string) {\n\t      string = toString(string);\n\t      return (string && reHasEscapedHtml.test(string))\n\t        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as space separated words, to upper case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the upper cased string.\n\t     * @example\n\t     *\n\t     * _.upperCase('--foo-bar');\n\t     * // => 'FOO BAR'\n\t     *\n\t     * _.upperCase('fooBar');\n\t     * // => 'FOO BAR'\n\t     *\n\t     * _.upperCase('__foo_bar__');\n\t     * // => 'FOO BAR'\n\t     */\n\t    var upperCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + word.toUpperCase();\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to upper case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.upperFirst('fred');\n\t     * // => 'Fred'\n\t     *\n\t     * _.upperFirst('FRED');\n\t     * // => 'FRED'\n\t     */\n\t    var upperFirst = createCaseFirst('toUpperCase');\n\t\n\t    /**\n\t     * Splits `string` into an array of its words.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {RegExp|string} [pattern] The pattern to match words.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the words of `string`.\n\t     * @example\n\t     *\n\t     * _.words('fred, barney, & pebbles');\n\t     * // => ['fred', 'barney', 'pebbles']\n\t     *\n\t     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n\t     * // => ['fred', 'barney', '&', 'pebbles']\n\t     */\n\t    function words(string, pattern, guard) {\n\t      string = toString(string);\n\t      pattern = guard ? undefined : pattern;\n\t\n\t      if (pattern === undefined) {\n\t        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n\t      }\n\t      return string.match(pattern) || [];\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Attempts to invoke `func`, returning either the result or the caught error\n\t     * object. Any additional arguments are provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Function} func The function to attempt.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {*} Returns the `func` result or error object.\n\t     * @example\n\t     *\n\t     * // Avoid throwing errors for invalid selectors.\n\t     * var elements = _.attempt(function(selector) {\n\t     *   return document.querySelectorAll(selector);\n\t     * }, '>_>');\n\t     *\n\t     * if (_.isError(elements)) {\n\t     *   elements = [];\n\t     * }\n\t     */\n\t    var attempt = baseRest(function(func, args) {\n\t      try {\n\t        return apply(func, undefined, args);\n\t      } catch (e) {\n\t        return isError(e) ? e : new Error(e);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Binds methods of an object to the object itself, overwriting the existing\n\t     * method.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of bound functions.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {Object} object The object to bind and assign the bound methods to.\n\t     * @param {...(string|string[])} methodNames The object method names to bind.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var view = {\n\t     *   'label': 'docs',\n\t     *   'click': function() {\n\t     *     console.log('clicked ' + this.label);\n\t     *   }\n\t     * };\n\t     *\n\t     * _.bindAll(view, ['click']);\n\t     * jQuery(element).on('click', view.click);\n\t     * // => Logs 'clicked docs' when clicked.\n\t     */\n\t    var bindAll = flatRest(function(object, methodNames) {\n\t      arrayEach(methodNames, function(key) {\n\t        key = toKey(key);\n\t        baseAssignValue(object, key, bind(object[key], object));\n\t      });\n\t      return object;\n\t    });\n\t\n\t    /**\n\t     * Creates a function that iterates over `pairs` and invokes the corresponding\n\t     * function of the first predicate to return truthy. The predicate-function\n\t     * pairs are invoked with the `this` binding and arguments of the created\n\t     * function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {Array} pairs The predicate-function pairs.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @example\n\t     *\n\t     * var func = _.cond([\n\t     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n\t     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n\t     *   [_.stubTrue,                      _.constant('no match')]\n\t     * ]);\n\t     *\n\t     * func({ 'a': 1, 'b': 2 });\n\t     * // => 'matches A'\n\t     *\n\t     * func({ 'a': 0, 'b': 1 });\n\t     * // => 'matches B'\n\t     *\n\t     * func({ 'a': '1', 'b': '2' });\n\t     * // => 'no match'\n\t     */\n\t    function cond(pairs) {\n\t      var length = pairs == null ? 0 : pairs.length,\n\t          toIteratee = getIteratee();\n\t\n\t      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n\t        if (typeof pair[1] != 'function') {\n\t          throw new TypeError(FUNC_ERROR_TEXT);\n\t        }\n\t        return [toIteratee(pair[0]), pair[1]];\n\t      });\n\t\n\t      return baseRest(function(args) {\n\t        var index = -1;\n\t        while (++index < length) {\n\t          var pair = pairs[index];\n\t          if (apply(pair[0], this, args)) {\n\t            return apply(pair[1], this, args);\n\t          }\n\t        }\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes the predicate properties of `source` with\n\t     * the corresponding property values of a given object, returning `true` if\n\t     * all predicates return truthy, else `false`.\n\t     *\n\t     * **Note:** The created function is equivalent to `_.conformsTo` with\n\t     * `source` partially applied.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 2, 'b': 1 },\n\t     *   { 'a': 1, 'b': 2 }\n\t     * ];\n\t     *\n\t     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n\t     * // => [{ 'a': 1, 'b': 2 }]\n\t     */\n\t    function conforms(source) {\n\t      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that returns `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Util\n\t     * @param {*} value The value to return from the new function.\n\t     * @returns {Function} Returns the new constant function.\n\t     * @example\n\t     *\n\t     * var objects = _.times(2, _.constant({ 'a': 1 }));\n\t     *\n\t     * console.log(objects);\n\t     * // => [{ 'a': 1 }, { 'a': 1 }]\n\t     *\n\t     * console.log(objects[0] === objects[1]);\n\t     * // => true\n\t     */\n\t    function constant(value) {\n\t      return function() {\n\t        return value;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Checks `value` to determine whether a default value should be returned in\n\t     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n\t     * or `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.14.0\n\t     * @category Util\n\t     * @param {*} value The value to check.\n\t     * @param {*} defaultValue The default value.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * _.defaultTo(1, 10);\n\t     * // => 1\n\t     *\n\t     * _.defaultTo(undefined, 10);\n\t     * // => 10\n\t     */\n\t    function defaultTo(value, defaultValue) {\n\t      return (value == null || value !== value) ? defaultValue : value;\n\t    }\n\t\n\t    /**\n\t     * Creates a function that returns the result of invoking the given functions\n\t     * with the `this` binding of the created function, where each successive\n\t     * invocation is supplied the return value of the previous.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @see _.flowRight\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var addSquare = _.flow([_.add, square]);\n\t     * addSquare(1, 2);\n\t     * // => 9\n\t     */\n\t    var flow = createFlow();\n\t\n\t    /**\n\t     * This method is like `_.flow` except that it creates a function that\n\t     * invokes the given functions from right to left.\n\t     *\n\t     * @static\n\t     * @since 3.0.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @see _.flow\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var addSquare = _.flowRight([square, _.add]);\n\t     * addSquare(1, 2);\n\t     * // => 9\n\t     */\n\t    var flowRight = createFlow(true);\n\t\n\t    /**\n\t     * This method returns the first argument it receives.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {*} value Any value.\n\t     * @returns {*} Returns `value`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     *\n\t     * console.log(_.identity(object) === object);\n\t     * // => true\n\t     */\n\t    function identity(value) {\n\t      return value;\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the arguments of the created\n\t     * function. If `func` is a property name, the created function returns the\n\t     * property value for a given element. If `func` is an array or object, the\n\t     * created function returns `true` for elements that contain the equivalent\n\t     * source properties, otherwise it returns `false`.\n\t     *\n\t     * @static\n\t     * @since 4.0.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {*} [func=_.identity] The value to convert to a callback.\n\t     * @returns {Function} Returns the callback.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': true },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n\t     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.filter(users, _.iteratee(['user', 'fred']));\n\t     * // => [{ 'user': 'fred', 'age': 40 }]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.map(users, _.iteratee('user'));\n\t     * // => ['barney', 'fred']\n\t     *\n\t     * // Create custom iteratee shorthands.\n\t     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n\t     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n\t     *     return func.test(string);\n\t     *   };\n\t     * });\n\t     *\n\t     * _.filter(['abc', 'def'], /ef/);\n\t     * // => ['def']\n\t     */\n\t    function iteratee(func) {\n\t      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a partial deep comparison between a given\n\t     * object and `source`, returning `true` if the given object has equivalent\n\t     * property values, else `false`.\n\t     *\n\t     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n\t     * partially applied.\n\t     *\n\t     * Partial comparisons will match empty array and empty object `source`\n\t     * values against any array or object value, respectively. See `_.isEqual`\n\t     * for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 1, 'b': 2, 'c': 3 },\n\t     *   { 'a': 4, 'b': 5, 'c': 6 }\n\t     * ];\n\t     *\n\t     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n\t     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n\t     */\n\t    function matches(source) {\n\t      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a partial deep comparison between the\n\t     * value at `path` of a given object to `srcValue`, returning `true` if the\n\t     * object value is equivalent, else `false`.\n\t     *\n\t     * **Note:** Partial comparisons will match empty array and empty object\n\t     * `srcValue` values against any array or object value, respectively. See\n\t     * `_.isEqual` for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 1, 'b': 2, 'c': 3 },\n\t     *   { 'a': 4, 'b': 5, 'c': 6 }\n\t     * ];\n\t     *\n\t     * _.find(objects, _.matchesProperty('a', 4));\n\t     * // => { 'a': 4, 'b': 5, 'c': 6 }\n\t     */\n\t    function matchesProperty(path, srcValue) {\n\t      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes the method at `path` of a given object.\n\t     * Any additional arguments are provided to the invoked method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {Function} Returns the new invoker function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': { 'b': _.constant(2) } },\n\t     *   { 'a': { 'b': _.constant(1) } }\n\t     * ];\n\t     *\n\t     * _.map(objects, _.method('a.b'));\n\t     * // => [2, 1]\n\t     *\n\t     * _.map(objects, _.method(['a', 'b']));\n\t     * // => [2, 1]\n\t     */\n\t    var method = baseRest(function(path, args) {\n\t      return function(object) {\n\t        return baseInvoke(object, path, args);\n\t      };\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.method`; this method creates a function that invokes\n\t     * the method at a given path of `object`. Any additional arguments are\n\t     * provided to the invoked method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Util\n\t     * @param {Object} object The object to query.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {Function} Returns the new invoker function.\n\t     * @example\n\t     *\n\t     * var array = _.times(3, _.constant),\n\t     *     object = { 'a': array, 'b': array, 'c': array };\n\t     *\n\t     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n\t     * // => [2, 0]\n\t     *\n\t     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n\t     * // => [2, 0]\n\t     */\n\t    var methodOf = baseRest(function(object, args) {\n\t      return function(path) {\n\t        return baseInvoke(object, path, args);\n\t      };\n\t    });\n\t\n\t    /**\n\t     * Adds all own enumerable string keyed function properties of a source\n\t     * object to the destination object. If `object` is a function, then methods\n\t     * are added to its prototype as well.\n\t     *\n\t     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n\t     * avoid conflicts caused by modifying the original.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {Function|Object} [object=lodash] The destination object.\n\t     * @param {Object} source The object of functions to add.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n\t     * @returns {Function|Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * function vowels(string) {\n\t     *   return _.filter(string, function(v) {\n\t     *     return /[aeiou]/i.test(v);\n\t     *   });\n\t     * }\n\t     *\n\t     * _.mixin({ 'vowels': vowels });\n\t     * _.vowels('fred');\n\t     * // => ['e']\n\t     *\n\t     * _('fred').vowels().value();\n\t     * // => ['e']\n\t     *\n\t     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n\t     * _('fred').vowels();\n\t     * // => ['e']\n\t     */\n\t    function mixin(object, source, options) {\n\t      var props = keys(source),\n\t          methodNames = baseFunctions(source, props);\n\t\n\t      if (options == null &&\n\t          !(isObject(source) && (methodNames.length || !props.length))) {\n\t        options = source;\n\t        source = object;\n\t        object = this;\n\t        methodNames = baseFunctions(source, keys(source));\n\t      }\n\t      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n\t          isFunc = isFunction(object);\n\t\n\t      arrayEach(methodNames, function(methodName) {\n\t        var func = source[methodName];\n\t        object[methodName] = func;\n\t        if (isFunc) {\n\t          object.prototype[methodName] = function() {\n\t            var chainAll = this.__chain__;\n\t            if (chain || chainAll) {\n\t              var result = object(this.__wrapped__),\n\t                  actions = result.__actions__ = copyArray(this.__actions__);\n\t\n\t              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n\t              result.__chain__ = chainAll;\n\t              return result;\n\t            }\n\t            return func.apply(object, arrayPush([this.value()], arguments));\n\t          };\n\t        }\n\t      });\n\t\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Reverts the `_` variable to its previous value and returns a reference to\n\t     * the `lodash` function.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @returns {Function} Returns the `lodash` function.\n\t     * @example\n\t     *\n\t     * var lodash = _.noConflict();\n\t     */\n\t    function noConflict() {\n\t      if (root._ === this) {\n\t        root._ = oldDash;\n\t      }\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * This method returns `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.3.0\n\t     * @category Util\n\t     * @example\n\t     *\n\t     * _.times(2, _.noop);\n\t     * // => [undefined, undefined]\n\t     */\n\t    function noop() {\n\t      // No operation performed.\n\t    }\n\t\n\t    /**\n\t     * Creates a function that gets the argument at index `n`. If `n` is negative,\n\t     * the nth argument from the end is returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {number} [n=0] The index of the argument to return.\n\t     * @returns {Function} Returns the new pass-thru function.\n\t     * @example\n\t     *\n\t     * var func = _.nthArg(1);\n\t     * func('a', 'b', 'c', 'd');\n\t     * // => 'b'\n\t     *\n\t     * var func = _.nthArg(-2);\n\t     * func('a', 'b', 'c', 'd');\n\t     * // => 'c'\n\t     */\n\t    function nthArg(n) {\n\t      n = toInteger(n);\n\t      return baseRest(function(args) {\n\t        return baseNth(args, n);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `iteratees` with the arguments it receives\n\t     * and returns their results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n\t     *  The iteratees to invoke.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.over([Math.max, Math.min]);\n\t     *\n\t     * func(1, 2, 3, 4);\n\t     * // => [4, 1]\n\t     */\n\t    var over = createOver(arrayMap);\n\t\n\t    /**\n\t     * Creates a function that checks if **all** of the `predicates` return\n\t     * truthy when invoked with the arguments it receives.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [predicates=[_.identity]]\n\t     *  The predicates to check.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.overEvery([Boolean, isFinite]);\n\t     *\n\t     * func('1');\n\t     * // => true\n\t     *\n\t     * func(null);\n\t     * // => false\n\t     *\n\t     * func(NaN);\n\t     * // => false\n\t     */\n\t    var overEvery = createOver(arrayEvery);\n\t\n\t    /**\n\t     * Creates a function that checks if **any** of the `predicates` return\n\t     * truthy when invoked with the arguments it receives.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [predicates=[_.identity]]\n\t     *  The predicates to check.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.overSome([Boolean, isFinite]);\n\t     *\n\t     * func('1');\n\t     * // => true\n\t     *\n\t     * func(null);\n\t     * // => true\n\t     *\n\t     * func(NaN);\n\t     * // => false\n\t     */\n\t    var overSome = createOver(arraySome);\n\t\n\t    /**\n\t     * Creates a function that returns the value at `path` of a given object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {Function} Returns the new accessor function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': { 'b': 2 } },\n\t     *   { 'a': { 'b': 1 } }\n\t     * ];\n\t     *\n\t     * _.map(objects, _.property('a.b'));\n\t     * // => [2, 1]\n\t     *\n\t     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n\t     * // => [1, 2]\n\t     */\n\t    function property(path) {\n\t      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.property`; this method creates a function that returns\n\t     * the value at a given path of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Object} object The object to query.\n\t     * @returns {Function} Returns the new accessor function.\n\t     * @example\n\t     *\n\t     * var array = [0, 1, 2],\n\t     *     object = { 'a': array, 'b': array, 'c': array };\n\t     *\n\t     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n\t     * // => [2, 0]\n\t     *\n\t     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n\t     * // => [2, 0]\n\t     */\n\t    function propertyOf(object) {\n\t      return function(path) {\n\t        return object == null ? undefined : baseGet(object, path);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates an array of numbers (positive and/or negative) progressing from\n\t     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n\t     * `start` is specified without an `end` or `step`. If `end` is not specified,\n\t     * it's set to `start` with `start` then set to `0`.\n\t     *\n\t     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t     * floating-point values which can produce unexpected results.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} [step=1] The value to increment or decrement by.\n\t     * @returns {Array} Returns the range of numbers.\n\t     * @see _.inRange, _.rangeRight\n\t     * @example\n\t     *\n\t     * _.range(4);\n\t     * // => [0, 1, 2, 3]\n\t     *\n\t     * _.range(-4);\n\t     * // => [0, -1, -2, -3]\n\t     *\n\t     * _.range(1, 5);\n\t     * // => [1, 2, 3, 4]\n\t     *\n\t     * _.range(0, 20, 5);\n\t     * // => [0, 5, 10, 15]\n\t     *\n\t     * _.range(0, -4, -1);\n\t     * // => [0, -1, -2, -3]\n\t     *\n\t     * _.range(1, 4, 0);\n\t     * // => [1, 1, 1]\n\t     *\n\t     * _.range(0);\n\t     * // => []\n\t     */\n\t    var range = createRange();\n\t\n\t    /**\n\t     * This method is like `_.range` except that it populates values in\n\t     * descending order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} [step=1] The value to increment or decrement by.\n\t     * @returns {Array} Returns the range of numbers.\n\t     * @see _.inRange, _.range\n\t     * @example\n\t     *\n\t     * _.rangeRight(4);\n\t     * // => [3, 2, 1, 0]\n\t     *\n\t     * _.rangeRight(-4);\n\t     * // => [-3, -2, -1, 0]\n\t     *\n\t     * _.rangeRight(1, 5);\n\t     * // => [4, 3, 2, 1]\n\t     *\n\t     * _.rangeRight(0, 20, 5);\n\t     * // => [15, 10, 5, 0]\n\t     *\n\t     * _.rangeRight(0, -4, -1);\n\t     * // => [-3, -2, -1, 0]\n\t     *\n\t     * _.rangeRight(1, 4, 0);\n\t     * // => [1, 1, 1]\n\t     *\n\t     * _.rangeRight(0);\n\t     * // => []\n\t     */\n\t    var rangeRight = createRange(true);\n\t\n\t    /**\n\t     * This method returns a new empty array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {Array} Returns the new empty array.\n\t     * @example\n\t     *\n\t     * var arrays = _.times(2, _.stubArray);\n\t     *\n\t     * console.log(arrays);\n\t     * // => [[], []]\n\t     *\n\t     * console.log(arrays[0] === arrays[1]);\n\t     * // => false\n\t     */\n\t    function stubArray() {\n\t      return [];\n\t    }\n\t\n\t    /**\n\t     * This method returns `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {boolean} Returns `false`.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubFalse);\n\t     * // => [false, false]\n\t     */\n\t    function stubFalse() {\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * This method returns a new empty object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {Object} Returns the new empty object.\n\t     * @example\n\t     *\n\t     * var objects = _.times(2, _.stubObject);\n\t     *\n\t     * console.log(objects);\n\t     * // => [{}, {}]\n\t     *\n\t     * console.log(objects[0] === objects[1]);\n\t     * // => false\n\t     */\n\t    function stubObject() {\n\t      return {};\n\t    }\n\t\n\t    /**\n\t     * This method returns an empty string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {string} Returns the empty string.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubString);\n\t     * // => ['', '']\n\t     */\n\t    function stubString() {\n\t      return '';\n\t    }\n\t\n\t    /**\n\t     * This method returns `true`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {boolean} Returns `true`.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubTrue);\n\t     * // => [true, true]\n\t     */\n\t    function stubTrue() {\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Invokes the iteratee `n` times, returning an array of the results of\n\t     * each invocation. The iteratee is invoked with one argument; (index).\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {number} n The number of times to invoke `iteratee`.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the array of results.\n\t     * @example\n\t     *\n\t     * _.times(3, String);\n\t     * // => ['0', '1', '2']\n\t     *\n\t     *  _.times(4, _.constant(0));\n\t     * // => [0, 0, 0, 0]\n\t     */\n\t    function times(n, iteratee) {\n\t      n = toInteger(n);\n\t      if (n < 1 || n > MAX_SAFE_INTEGER) {\n\t        return [];\n\t      }\n\t      var index = MAX_ARRAY_LENGTH,\n\t          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\t\n\t      iteratee = getIteratee(iteratee);\n\t      n -= MAX_ARRAY_LENGTH;\n\t\n\t      var result = baseTimes(length, iteratee);\n\t      while (++index < n) {\n\t        iteratee(index);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a property path array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {*} value The value to convert.\n\t     * @returns {Array} Returns the new property path array.\n\t     * @example\n\t     *\n\t     * _.toPath('a.b.c');\n\t     * // => ['a', 'b', 'c']\n\t     *\n\t     * _.toPath('a[0].b.c');\n\t     * // => ['a', '0', 'b', 'c']\n\t     */\n\t    function toPath(value) {\n\t      if (isArray(value)) {\n\t        return arrayMap(value, toKey);\n\t      }\n\t      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n\t    }\n\t\n\t    /**\n\t     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {string} [prefix=''] The value to prefix the ID with.\n\t     * @returns {string} Returns the unique ID.\n\t     * @example\n\t     *\n\t     * _.uniqueId('contact_');\n\t     * // => 'contact_104'\n\t     *\n\t     * _.uniqueId();\n\t     * // => '105'\n\t     */\n\t    function uniqueId(prefix) {\n\t      var id = ++idCounter;\n\t      return toString(prefix) + id;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Adds two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.4.0\n\t     * @category Math\n\t     * @param {number} augend The first number in an addition.\n\t     * @param {number} addend The second number in an addition.\n\t     * @returns {number} Returns the total.\n\t     * @example\n\t     *\n\t     * _.add(6, 4);\n\t     * // => 10\n\t     */\n\t    var add = createMathOperation(function(augend, addend) {\n\t      return augend + addend;\n\t    }, 0);\n\t\n\t    /**\n\t     * Computes `number` rounded up to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round up.\n\t     * @param {number} [precision=0] The precision to round up to.\n\t     * @returns {number} Returns the rounded up number.\n\t     * @example\n\t     *\n\t     * _.ceil(4.006);\n\t     * // => 5\n\t     *\n\t     * _.ceil(6.004, 2);\n\t     * // => 6.01\n\t     *\n\t     * _.ceil(6040, -2);\n\t     * // => 6100\n\t     */\n\t    var ceil = createRound('ceil');\n\t\n\t    /**\n\t     * Divide two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {number} dividend The first number in a division.\n\t     * @param {number} divisor The second number in a division.\n\t     * @returns {number} Returns the quotient.\n\t     * @example\n\t     *\n\t     * _.divide(6, 4);\n\t     * // => 1.5\n\t     */\n\t    var divide = createMathOperation(function(dividend, divisor) {\n\t      return dividend / divisor;\n\t    }, 1);\n\t\n\t    /**\n\t     * Computes `number` rounded down to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round down.\n\t     * @param {number} [precision=0] The precision to round down to.\n\t     * @returns {number} Returns the rounded down number.\n\t     * @example\n\t     *\n\t     * _.floor(4.006);\n\t     * // => 4\n\t     *\n\t     * _.floor(0.046, 2);\n\t     * // => 0.04\n\t     *\n\t     * _.floor(4060, -2);\n\t     * // => 4000\n\t     */\n\t    var floor = createRound('floor');\n\t\n\t    /**\n\t     * Computes the maximum value of `array`. If `array` is empty or falsey,\n\t     * `undefined` is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {*} Returns the maximum value.\n\t     * @example\n\t     *\n\t     * _.max([4, 2, 8, 6]);\n\t     * // => 8\n\t     *\n\t     * _.max([]);\n\t     * // => undefined\n\t     */\n\t    function max(array) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, identity, baseGt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.max` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * the value is ranked. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {*} Returns the maximum value.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n\t     *\n\t     * _.maxBy(objects, function(o) { return o.n; });\n\t     * // => { 'n': 2 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.maxBy(objects, 'n');\n\t     * // => { 'n': 2 }\n\t     */\n\t    function maxBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * Computes the mean of the values in `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {number} Returns the mean.\n\t     * @example\n\t     *\n\t     * _.mean([4, 2, 8, 6]);\n\t     * // => 5\n\t     */\n\t    function mean(array) {\n\t      return baseMean(array, identity);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.mean` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the value to be averaged.\n\t     * The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the mean.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n\t     *\n\t     * _.meanBy(objects, function(o) { return o.n; });\n\t     * // => 5\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.meanBy(objects, 'n');\n\t     * // => 5\n\t     */\n\t    function meanBy(array, iteratee) {\n\t      return baseMean(array, getIteratee(iteratee, 2));\n\t    }\n\t\n\t    /**\n\t     * Computes the minimum value of `array`. If `array` is empty or falsey,\n\t     * `undefined` is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {*} Returns the minimum value.\n\t     * @example\n\t     *\n\t     * _.min([4, 2, 8, 6]);\n\t     * // => 2\n\t     *\n\t     * _.min([]);\n\t     * // => undefined\n\t     */\n\t    function min(array) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, identity, baseLt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.min` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * the value is ranked. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {*} Returns the minimum value.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n\t     *\n\t     * _.minBy(objects, function(o) { return o.n; });\n\t     * // => { 'n': 1 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.minBy(objects, 'n');\n\t     * // => { 'n': 1 }\n\t     */\n\t    function minBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * Multiply two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {number} multiplier The first number in a multiplication.\n\t     * @param {number} multiplicand The second number in a multiplication.\n\t     * @returns {number} Returns the product.\n\t     * @example\n\t     *\n\t     * _.multiply(6, 4);\n\t     * // => 24\n\t     */\n\t    var multiply = createMathOperation(function(multiplier, multiplicand) {\n\t      return multiplier * multiplicand;\n\t    }, 1);\n\t\n\t    /**\n\t     * Computes `number` rounded to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round.\n\t     * @param {number} [precision=0] The precision to round to.\n\t     * @returns {number} Returns the rounded number.\n\t     * @example\n\t     *\n\t     * _.round(4.006);\n\t     * // => 4\n\t     *\n\t     * _.round(4.006, 2);\n\t     * // => 4.01\n\t     *\n\t     * _.round(4060, -2);\n\t     * // => 4100\n\t     */\n\t    var round = createRound('round');\n\t\n\t    /**\n\t     * Subtract two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {number} minuend The first number in a subtraction.\n\t     * @param {number} subtrahend The second number in a subtraction.\n\t     * @returns {number} Returns the difference.\n\t     * @example\n\t     *\n\t     * _.subtract(6, 4);\n\t     * // => 2\n\t     */\n\t    var subtract = createMathOperation(function(minuend, subtrahend) {\n\t      return minuend - subtrahend;\n\t    }, 0);\n\t\n\t    /**\n\t     * Computes the sum of the values in `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.4.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {number} Returns the sum.\n\t     * @example\n\t     *\n\t     * _.sum([4, 2, 8, 6]);\n\t     * // => 20\n\t     */\n\t    function sum(array) {\n\t      return (array && array.length)\n\t        ? baseSum(array, identity)\n\t        : 0;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sum` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the value to be summed.\n\t     * The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the sum.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n\t     *\n\t     * _.sumBy(objects, function(o) { return o.n; });\n\t     * // => 20\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sumBy(objects, 'n');\n\t     * // => 20\n\t     */\n\t    function sumBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseSum(array, getIteratee(iteratee, 2))\n\t        : 0;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    // Add methods that return wrapped values in chain sequences.\n\t    lodash.after = after;\n\t    lodash.ary = ary;\n\t    lodash.assign = assign;\n\t    lodash.assignIn = assignIn;\n\t    lodash.assignInWith = assignInWith;\n\t    lodash.assignWith = assignWith;\n\t    lodash.at = at;\n\t    lodash.before = before;\n\t    lodash.bind = bind;\n\t    lodash.bindAll = bindAll;\n\t    lodash.bindKey = bindKey;\n\t    lodash.castArray = castArray;\n\t    lodash.chain = chain;\n\t    lodash.chunk = chunk;\n\t    lodash.compact = compact;\n\t    lodash.concat = concat;\n\t    lodash.cond = cond;\n\t    lodash.conforms = conforms;\n\t    lodash.constant = constant;\n\t    lodash.countBy = countBy;\n\t    lodash.create = create;\n\t    lodash.curry = curry;\n\t    lodash.curryRight = curryRight;\n\t    lodash.debounce = debounce;\n\t    lodash.defaults = defaults;\n\t    lodash.defaultsDeep = defaultsDeep;\n\t    lodash.defer = defer;\n\t    lodash.delay = delay;\n\t    lodash.difference = difference;\n\t    lodash.differenceBy = differenceBy;\n\t    lodash.differenceWith = differenceWith;\n\t    lodash.drop = drop;\n\t    lodash.dropRight = dropRight;\n\t    lodash.dropRightWhile = dropRightWhile;\n\t    lodash.dropWhile = dropWhile;\n\t    lodash.fill = fill;\n\t    lodash.filter = filter;\n\t    lodash.flatMap = flatMap;\n\t    lodash.flatMapDeep = flatMapDeep;\n\t    lodash.flatMapDepth = flatMapDepth;\n\t    lodash.flatten = flatten;\n\t    lodash.flattenDeep = flattenDeep;\n\t    lodash.flattenDepth = flattenDepth;\n\t    lodash.flip = flip;\n\t    lodash.flow = flow;\n\t    lodash.flowRight = flowRight;\n\t    lodash.fromPairs = fromPairs;\n\t    lodash.functions = functions;\n\t    lodash.functionsIn = functionsIn;\n\t    lodash.groupBy = groupBy;\n\t    lodash.initial = initial;\n\t    lodash.intersection = intersection;\n\t    lodash.intersectionBy = intersectionBy;\n\t    lodash.intersectionWith = intersectionWith;\n\t    lodash.invert = invert;\n\t    lodash.invertBy = invertBy;\n\t    lodash.invokeMap = invokeMap;\n\t    lodash.iteratee = iteratee;\n\t    lodash.keyBy = keyBy;\n\t    lodash.keys = keys;\n\t    lodash.keysIn = keysIn;\n\t    lodash.map = map;\n\t    lodash.mapKeys = mapKeys;\n\t    lodash.mapValues = mapValues;\n\t    lodash.matches = matches;\n\t    lodash.matchesProperty = matchesProperty;\n\t    lodash.memoize = memoize;\n\t    lodash.merge = merge;\n\t    lodash.mergeWith = mergeWith;\n\t    lodash.method = method;\n\t    lodash.methodOf = methodOf;\n\t    lodash.mixin = mixin;\n\t    lodash.negate = negate;\n\t    lodash.nthArg = nthArg;\n\t    lodash.omit = omit;\n\t    lodash.omitBy = omitBy;\n\t    lodash.once = once;\n\t    lodash.orderBy = orderBy;\n\t    lodash.over = over;\n\t    lodash.overArgs = overArgs;\n\t    lodash.overEvery = overEvery;\n\t    lodash.overSome = overSome;\n\t    lodash.partial = partial;\n\t    lodash.partialRight = partialRight;\n\t    lodash.partition = partition;\n\t    lodash.pick = pick;\n\t    lodash.pickBy = pickBy;\n\t    lodash.property = property;\n\t    lodash.propertyOf = propertyOf;\n\t    lodash.pull = pull;\n\t    lodash.pullAll = pullAll;\n\t    lodash.pullAllBy = pullAllBy;\n\t    lodash.pullAllWith = pullAllWith;\n\t    lodash.pullAt = pullAt;\n\t    lodash.range = range;\n\t    lodash.rangeRight = rangeRight;\n\t    lodash.rearg = rearg;\n\t    lodash.reject = reject;\n\t    lodash.remove = remove;\n\t    lodash.rest = rest;\n\t    lodash.reverse = reverse;\n\t    lodash.sampleSize = sampleSize;\n\t    lodash.set = set;\n\t    lodash.setWith = setWith;\n\t    lodash.shuffle = shuffle;\n\t    lodash.slice = slice;\n\t    lodash.sortBy = sortBy;\n\t    lodash.sortedUniq = sortedUniq;\n\t    lodash.sortedUniqBy = sortedUniqBy;\n\t    lodash.split = split;\n\t    lodash.spread = spread;\n\t    lodash.tail = tail;\n\t    lodash.take = take;\n\t    lodash.takeRight = takeRight;\n\t    lodash.takeRightWhile = takeRightWhile;\n\t    lodash.takeWhile = takeWhile;\n\t    lodash.tap = tap;\n\t    lodash.throttle = throttle;\n\t    lodash.thru = thru;\n\t    lodash.toArray = toArray;\n\t    lodash.toPairs = toPairs;\n\t    lodash.toPairsIn = toPairsIn;\n\t    lodash.toPath = toPath;\n\t    lodash.toPlainObject = toPlainObject;\n\t    lodash.transform = transform;\n\t    lodash.unary = unary;\n\t    lodash.union = union;\n\t    lodash.unionBy = unionBy;\n\t    lodash.unionWith = unionWith;\n\t    lodash.uniq = uniq;\n\t    lodash.uniqBy = uniqBy;\n\t    lodash.uniqWith = uniqWith;\n\t    lodash.unset = unset;\n\t    lodash.unzip = unzip;\n\t    lodash.unzipWith = unzipWith;\n\t    lodash.update = update;\n\t    lodash.updateWith = updateWith;\n\t    lodash.values = values;\n\t    lodash.valuesIn = valuesIn;\n\t    lodash.without = without;\n\t    lodash.words = words;\n\t    lodash.wrap = wrap;\n\t    lodash.xor = xor;\n\t    lodash.xorBy = xorBy;\n\t    lodash.xorWith = xorWith;\n\t    lodash.zip = zip;\n\t    lodash.zipObject = zipObject;\n\t    lodash.zipObjectDeep = zipObjectDeep;\n\t    lodash.zipWith = zipWith;\n\t\n\t    // Add aliases.\n\t    lodash.entries = toPairs;\n\t    lodash.entriesIn = toPairsIn;\n\t    lodash.extend = assignIn;\n\t    lodash.extendWith = assignInWith;\n\t\n\t    // Add methods to `lodash.prototype`.\n\t    mixin(lodash, lodash);\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    // Add methods that return unwrapped values in chain sequences.\n\t    lodash.add = add;\n\t    lodash.attempt = attempt;\n\t    lodash.camelCase = camelCase;\n\t    lodash.capitalize = capitalize;\n\t    lodash.ceil = ceil;\n\t    lodash.clamp = clamp;\n\t    lodash.clone = clone;\n\t    lodash.cloneDeep = cloneDeep;\n\t    lodash.cloneDeepWith = cloneDeepWith;\n\t    lodash.cloneWith = cloneWith;\n\t    lodash.conformsTo = conformsTo;\n\t    lodash.deburr = deburr;\n\t    lodash.defaultTo = defaultTo;\n\t    lodash.divide = divide;\n\t    lodash.endsWith = endsWith;\n\t    lodash.eq = eq;\n\t    lodash.escape = escape;\n\t    lodash.escapeRegExp = escapeRegExp;\n\t    lodash.every = every;\n\t    lodash.find = find;\n\t    lodash.findIndex = findIndex;\n\t    lodash.findKey = findKey;\n\t    lodash.findLast = findLast;\n\t    lodash.findLastIndex = findLastIndex;\n\t    lodash.findLastKey = findLastKey;\n\t    lodash.floor = floor;\n\t    lodash.forEach = forEach;\n\t    lodash.forEachRight = forEachRight;\n\t    lodash.forIn = forIn;\n\t    lodash.forInRight = forInRight;\n\t    lodash.forOwn = forOwn;\n\t    lodash.forOwnRight = forOwnRight;\n\t    lodash.get = get;\n\t    lodash.gt = gt;\n\t    lodash.gte = gte;\n\t    lodash.has = has;\n\t    lodash.hasIn = hasIn;\n\t    lodash.head = head;\n\t    lodash.identity = identity;\n\t    lodash.includes = includes;\n\t    lodash.indexOf = indexOf;\n\t    lodash.inRange = inRange;\n\t    lodash.invoke = invoke;\n\t    lodash.isArguments = isArguments;\n\t    lodash.isArray = isArray;\n\t    lodash.isArrayBuffer = isArrayBuffer;\n\t    lodash.isArrayLike = isArrayLike;\n\t    lodash.isArrayLikeObject = isArrayLikeObject;\n\t    lodash.isBoolean = isBoolean;\n\t    lodash.isBuffer = isBuffer;\n\t    lodash.isDate = isDate;\n\t    lodash.isElement = isElement;\n\t    lodash.isEmpty = isEmpty;\n\t    lodash.isEqual = isEqual;\n\t    lodash.isEqualWith = isEqualWith;\n\t    lodash.isError = isError;\n\t    lodash.isFinite = isFinite;\n\t    lodash.isFunction = isFunction;\n\t    lodash.isInteger = isInteger;\n\t    lodash.isLength = isLength;\n\t    lodash.isMap = isMap;\n\t    lodash.isMatch = isMatch;\n\t    lodash.isMatchWith = isMatchWith;\n\t    lodash.isNaN = isNaN;\n\t    lodash.isNative = isNative;\n\t    lodash.isNil = isNil;\n\t    lodash.isNull = isNull;\n\t    lodash.isNumber = isNumber;\n\t    lodash.isObject = isObject;\n\t    lodash.isObjectLike = isObjectLike;\n\t    lodash.isPlainObject = isPlainObject;\n\t    lodash.isRegExp = isRegExp;\n\t    lodash.isSafeInteger = isSafeInteger;\n\t    lodash.isSet = isSet;\n\t    lodash.isString = isString;\n\t    lodash.isSymbol = isSymbol;\n\t    lodash.isTypedArray = isTypedArray;\n\t    lodash.isUndefined = isUndefined;\n\t    lodash.isWeakMap = isWeakMap;\n\t    lodash.isWeakSet = isWeakSet;\n\t    lodash.join = join;\n\t    lodash.kebabCase = kebabCase;\n\t    lodash.last = last;\n\t    lodash.lastIndexOf = lastIndexOf;\n\t    lodash.lowerCase = lowerCase;\n\t    lodash.lowerFirst = lowerFirst;\n\t    lodash.lt = lt;\n\t    lodash.lte = lte;\n\t    lodash.max = max;\n\t    lodash.maxBy = maxBy;\n\t    lodash.mean = mean;\n\t    lodash.meanBy = meanBy;\n\t    lodash.min = min;\n\t    lodash.minBy = minBy;\n\t    lodash.stubArray = stubArray;\n\t    lodash.stubFalse = stubFalse;\n\t    lodash.stubObject = stubObject;\n\t    lodash.stubString = stubString;\n\t    lodash.stubTrue = stubTrue;\n\t    lodash.multiply = multiply;\n\t    lodash.nth = nth;\n\t    lodash.noConflict = noConflict;\n\t    lodash.noop = noop;\n\t    lodash.now = now;\n\t    lodash.pad = pad;\n\t    lodash.padEnd = padEnd;\n\t    lodash.padStart = padStart;\n\t    lodash.parseInt = parseInt;\n\t    lodash.random = random;\n\t    lodash.reduce = reduce;\n\t    lodash.reduceRight = reduceRight;\n\t    lodash.repeat = repeat;\n\t    lodash.replace = replace;\n\t    lodash.result = result;\n\t    lodash.round = round;\n\t    lodash.runInContext = runInContext;\n\t    lodash.sample = sample;\n\t    lodash.size = size;\n\t    lodash.snakeCase = snakeCase;\n\t    lodash.some = some;\n\t    lodash.sortedIndex = sortedIndex;\n\t    lodash.sortedIndexBy = sortedIndexBy;\n\t    lodash.sortedIndexOf = sortedIndexOf;\n\t    lodash.sortedLastIndex = sortedLastIndex;\n\t    lodash.sortedLastIndexBy = sortedLastIndexBy;\n\t    lodash.sortedLastIndexOf = sortedLastIndexOf;\n\t    lodash.startCase = startCase;\n\t    lodash.startsWith = startsWith;\n\t    lodash.subtract = subtract;\n\t    lodash.sum = sum;\n\t    lodash.sumBy = sumBy;\n\t    lodash.template = template;\n\t    lodash.times = times;\n\t    lodash.toFinite = toFinite;\n\t    lodash.toInteger = toInteger;\n\t    lodash.toLength = toLength;\n\t    lodash.toLower = toLower;\n\t    lodash.toNumber = toNumber;\n\t    lodash.toSafeInteger = toSafeInteger;\n\t    lodash.toString = toString;\n\t    lodash.toUpper = toUpper;\n\t    lodash.trim = trim;\n\t    lodash.trimEnd = trimEnd;\n\t    lodash.trimStart = trimStart;\n\t    lodash.truncate = truncate;\n\t    lodash.unescape = unescape;\n\t    lodash.uniqueId = uniqueId;\n\t    lodash.upperCase = upperCase;\n\t    lodash.upperFirst = upperFirst;\n\t\n\t    // Add aliases.\n\t    lodash.each = forEach;\n\t    lodash.eachRight = forEachRight;\n\t    lodash.first = head;\n\t\n\t    mixin(lodash, (function() {\n\t      var source = {};\n\t      baseForOwn(lodash, function(func, methodName) {\n\t        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n\t          source[methodName] = func;\n\t        }\n\t      });\n\t      return source;\n\t    }()), { 'chain': false });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * The semantic version number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @type {string}\n\t     */\n\t    lodash.VERSION = VERSION;\n\t\n\t    // Assign default placeholders.\n\t    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n\t      lodash[methodName].placeholder = lodash;\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n\t    arrayEach(['drop', 'take'], function(methodName, index) {\n\t      LazyWrapper.prototype[methodName] = function(n) {\n\t        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\t\n\t        var result = (this.__filtered__ && !index)\n\t          ? new LazyWrapper(this)\n\t          : this.clone();\n\t\n\t        if (result.__filtered__) {\n\t          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n\t        } else {\n\t          result.__views__.push({\n\t            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n\t            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n\t          });\n\t        }\n\t        return result;\n\t      };\n\t\n\t      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n\t        return this.reverse()[methodName](n).reverse();\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods that accept an `iteratee` value.\n\t    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n\t      var type = index + 1,\n\t          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\t\n\t      LazyWrapper.prototype[methodName] = function(iteratee) {\n\t        var result = this.clone();\n\t        result.__iteratees__.push({\n\t          'iteratee': getIteratee(iteratee, 3),\n\t          'type': type\n\t        });\n\t        result.__filtered__ = result.__filtered__ || isFilter;\n\t        return result;\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n\t    arrayEach(['head', 'last'], function(methodName, index) {\n\t      var takeName = 'take' + (index ? 'Right' : '');\n\t\n\t      LazyWrapper.prototype[methodName] = function() {\n\t        return this[takeName](1).value()[0];\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n\t    arrayEach(['initial', 'tail'], function(methodName, index) {\n\t      var dropName = 'drop' + (index ? '' : 'Right');\n\t\n\t      LazyWrapper.prototype[methodName] = function() {\n\t        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n\t      };\n\t    });\n\t\n\t    LazyWrapper.prototype.compact = function() {\n\t      return this.filter(identity);\n\t    };\n\t\n\t    LazyWrapper.prototype.find = function(predicate) {\n\t      return this.filter(predicate).head();\n\t    };\n\t\n\t    LazyWrapper.prototype.findLast = function(predicate) {\n\t      return this.reverse().find(predicate);\n\t    };\n\t\n\t    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n\t      if (typeof path == 'function') {\n\t        return new LazyWrapper(this);\n\t      }\n\t      return this.map(function(value) {\n\t        return baseInvoke(value, path, args);\n\t      });\n\t    });\n\t\n\t    LazyWrapper.prototype.reject = function(predicate) {\n\t      return this.filter(negate(getIteratee(predicate)));\n\t    };\n\t\n\t    LazyWrapper.prototype.slice = function(start, end) {\n\t      start = toInteger(start);\n\t\n\t      var result = this;\n\t      if (result.__filtered__ && (start > 0 || end < 0)) {\n\t        return new LazyWrapper(result);\n\t      }\n\t      if (start < 0) {\n\t        result = result.takeRight(-start);\n\t      } else if (start) {\n\t        result = result.drop(start);\n\t      }\n\t      if (end !== undefined) {\n\t        end = toInteger(end);\n\t        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n\t      }\n\t      return result;\n\t    };\n\t\n\t    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n\t      return this.reverse().takeWhile(predicate).reverse();\n\t    };\n\t\n\t    LazyWrapper.prototype.toArray = function() {\n\t      return this.take(MAX_ARRAY_LENGTH);\n\t    };\n\t\n\t    // Add `LazyWrapper` methods to `lodash.prototype`.\n\t    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n\t      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n\t          isTaker = /^(?:head|last)$/.test(methodName),\n\t          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n\t          retUnwrapped = isTaker || /^find/.test(methodName);\n\t\n\t      if (!lodashFunc) {\n\t        return;\n\t      }\n\t      lodash.prototype[methodName] = function() {\n\t        var value = this.__wrapped__,\n\t            args = isTaker ? [1] : arguments,\n\t            isLazy = value instanceof LazyWrapper,\n\t            iteratee = args[0],\n\t            useLazy = isLazy || isArray(value);\n\t\n\t        var interceptor = function(value) {\n\t          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n\t          return (isTaker && chainAll) ? result[0] : result;\n\t        };\n\t\n\t        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n\t          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n\t          isLazy = useLazy = false;\n\t        }\n\t        var chainAll = this.__chain__,\n\t            isHybrid = !!this.__actions__.length,\n\t            isUnwrapped = retUnwrapped && !chainAll,\n\t            onlyLazy = isLazy && !isHybrid;\n\t\n\t        if (!retUnwrapped && useLazy) {\n\t          value = onlyLazy ? value : new LazyWrapper(this);\n\t          var result = func.apply(value, args);\n\t          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n\t          return new LodashWrapper(result, chainAll);\n\t        }\n\t        if (isUnwrapped && onlyLazy) {\n\t          return func.apply(this, args);\n\t        }\n\t        result = this.thru(interceptor);\n\t        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n\t      };\n\t    });\n\t\n\t    // Add `Array` methods to `lodash.prototype`.\n\t    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n\t      var func = arrayProto[methodName],\n\t          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n\t          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\t\n\t      lodash.prototype[methodName] = function() {\n\t        var args = arguments;\n\t        if (retUnwrapped && !this.__chain__) {\n\t          var value = this.value();\n\t          return func.apply(isArray(value) ? value : [], args);\n\t        }\n\t        return this[chainName](function(value) {\n\t          return func.apply(isArray(value) ? value : [], args);\n\t        });\n\t      };\n\t    });\n\t\n\t    // Map minified method names to their real names.\n\t    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n\t      var lodashFunc = lodash[methodName];\n\t      if (lodashFunc) {\n\t        var key = (lodashFunc.name + ''),\n\t            names = realNames[key] || (realNames[key] = []);\n\t\n\t        names.push({ 'name': methodName, 'func': lodashFunc });\n\t      }\n\t    });\n\t\n\t    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n\t      'name': 'wrapper',\n\t      'func': undefined\n\t    }];\n\t\n\t    // Add methods to `LazyWrapper`.\n\t    LazyWrapper.prototype.clone = lazyClone;\n\t    LazyWrapper.prototype.reverse = lazyReverse;\n\t    LazyWrapper.prototype.value = lazyValue;\n\t\n\t    // Add chain sequence methods to the `lodash` wrapper.\n\t    lodash.prototype.at = wrapperAt;\n\t    lodash.prototype.chain = wrapperChain;\n\t    lodash.prototype.commit = wrapperCommit;\n\t    lodash.prototype.next = wrapperNext;\n\t    lodash.prototype.plant = wrapperPlant;\n\t    lodash.prototype.reverse = wrapperReverse;\n\t    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\t\n\t    // Add lazy aliases.\n\t    lodash.prototype.first = lodash.prototype.head;\n\t\n\t    if (symIterator) {\n\t      lodash.prototype[symIterator] = wrapperToIterator;\n\t    }\n\t    return lodash;\n\t  });\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  // Export lodash.\n\t  var _ = runInContext();\n\t\n\t  // Some AMD build optimizers, like r.js, check for condition patterns like:\n\t  if (true) {\n\t    // Expose Lodash on the global object to prevent errors when Lodash is\n\t    // loaded by a script tag in the presence of an AMD loader.\n\t    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n\t    // Use `_.noConflict` to remove Lodash from the global object.\n\t    root._ = _;\n\t\n\t    // Define as an anonymous module so, through path mapping, it can be\n\t    // referenced as the \"underscore\" module.\n\t    !(__WEBPACK_AMD_DEFINE_RESULT__ = function() {\n\t      return _;\n\t    }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n\t  }\n\t  // Check for `exports` after `define` in case a build optimizer adds it.\n\t  else if (freeModule) {\n\t    // Export for Node.js.\n\t    (freeModule.exports = _)._ = _;\n\t    // Export for CommonJS support.\n\t    freeExports._ = _;\n\t  }\n\t  else {\n\t    // Export to the global object.\n\t    root._ = _;\n\t  }\n\t}.call(this));\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()), __webpack_require__(13)(module)))\n\n/***/ })\n/******/ ]);\n\n\n// WEBPACK FOOTER //\n// oui-angular.js"," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\texports: {},\n \t\t\tid: moduleId,\n \t\t\tloaded: false\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.loaded = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(0);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 7aacd875769662887eab","var core = module.exports = {version: '2.4.0'};\nif(typeof __e == 'number')__e = core; // eslint-disable-line no-undef\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_core.js\n// module id = 1\n// module chunks = 0","// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n  ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();\nif(typeof __g == 'number')__g = global; // eslint-disable-line no-undef\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_global.js\n// module id = 2\n// module chunks = 0","// Thank's IE8 for his funny defineProperty\nmodule.exports = !require('./_fails')(function(){\n  return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7;\n});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_descriptors.js\n// module id = 3\n// module chunks = 0","var hasOwnProperty = {}.hasOwnProperty;\nmodule.exports = function(it, key){\n  return hasOwnProperty.call(it, key);\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_has.js\n// module id = 4\n// module chunks = 0","var anObject       = require('./_an-object')\n  , IE8_DOM_DEFINE = require('./_ie8-dom-define')\n  , toPrimitive    = require('./_to-primitive')\n  , dP             = Object.defineProperty;\n\nexports.f = require('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes){\n  anObject(O);\n  P = toPrimitive(P, true);\n  anObject(Attributes);\n  if(IE8_DOM_DEFINE)try {\n    return dP(O, P, Attributes);\n  } catch(e){ /* empty */ }\n  if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!');\n  if('value' in Attributes)O[P] = Attributes.value;\n  return O;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-dp.js\n// module id = 5\n// module chunks = 0","// to indexed object, toObject with fallback for non-array-like ES3 strings\nvar IObject = require('./_iobject')\n  , defined = require('./_defined');\nmodule.exports = function(it){\n  return IObject(defined(it));\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_to-iobject.js\n// module id = 6\n// module chunks = 0","var global    = require('./_global')\n  , core      = require('./_core')\n  , ctx       = require('./_ctx')\n  , hide      = require('./_hide')\n  , PROTOTYPE = 'prototype';\n\nvar $export = function(type, name, source){\n  var IS_FORCED = type & $export.F\n    , IS_GLOBAL = type & $export.G\n    , IS_STATIC = type & $export.S\n    , IS_PROTO  = type & $export.P\n    , IS_BIND   = type & $export.B\n    , IS_WRAP   = type & $export.W\n    , exports   = IS_GLOBAL ? core : core[name] || (core[name] = {})\n    , expProto  = exports[PROTOTYPE]\n    , target    = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE]\n    , key, own, out;\n  if(IS_GLOBAL)source = name;\n  for(key in source){\n    // contains in native\n    own = !IS_FORCED && target && target[key] !== undefined;\n    if(own && key in exports)continue;\n    // export native or passed\n    out = own ? target[key] : source[key];\n    // prevent global pollution for namespaces\n    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n    // bind timers to global for call from export context\n    : IS_BIND && own ? ctx(out, global)\n    // wrap global constructors for prevent change them in library\n    : IS_WRAP && target[key] == out ? (function(C){\n      var F = function(a, b, c){\n        if(this instanceof C){\n          switch(arguments.length){\n            case 0: return new C;\n            case 1: return new C(a);\n            case 2: return new C(a, b);\n          } return new C(a, b, c);\n        } return C.apply(this, arguments);\n      };\n      F[PROTOTYPE] = C[PROTOTYPE];\n      return F;\n    // make static versions for prototype methods\n    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n    if(IS_PROTO){\n      (exports.virtual || (exports.virtual = {}))[key] = out;\n      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n      if(type & $export.R && expProto && !expProto[key])hide(expProto, key, out);\n    }\n  }\n};\n// type bitmap\n$export.F = 1;   // forced\n$export.G = 2;   // global\n$export.S = 4;   // static\n$export.P = 8;   // proto\n$export.B = 16;  // bind\n$export.W = 32;  // wrap\n$export.U = 64;  // safe\n$export.R = 128; // real proto method for `library` \nmodule.exports = $export;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_export.js\n// module id = 7\n// module chunks = 0","var dP         = require('./_object-dp')\n  , createDesc = require('./_property-desc');\nmodule.exports = require('./_descriptors') ? function(object, key, value){\n  return dP.f(object, key, createDesc(1, value));\n} : function(object, key, value){\n  object[key] = value;\n  return object;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_hide.js\n// module id = 8\n// module chunks = 0","var store      = require('./_shared')('wks')\n  , uid        = require('./_uid')\n  , Symbol     = require('./_global').Symbol\n  , USE_SYMBOL = typeof Symbol == 'function';\n\nvar $exports = module.exports = function(name){\n  return store[name] || (store[name] =\n    USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name));\n};\n\n$exports.store = store;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_wks.js\n// module id = 9\n// module chunks = 0","var isObject = require('./_is-object');\nmodule.exports = function(it){\n  if(!isObject(it))throw TypeError(it + ' is not an object!');\n  return it;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_an-object.js\n// module id = 10\n// module chunks = 0","module.exports = function(exec){\n  try {\n    return !!exec();\n  } catch(e){\n    return true;\n  }\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_fails.js\n// module id = 11\n// module chunks = 0","module.exports = function(it){\n  return typeof it === 'object' ? it !== null : typeof it === 'function';\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_is-object.js\n// module id = 12\n// module chunks = 0","module.exports = function(module) {\r\n\tif(!module.webpackPolyfill) {\r\n\t\tmodule.deprecate = function() {};\r\n\t\tmodule.paths = [];\r\n\t\t// module.parent = undefined by default\r\n\t\tmodule.children = [];\r\n\t\tmodule.webpackPolyfill = 1;\r\n\t}\r\n\treturn module;\r\n}\r\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// (webpack)/buildin/module.js\n// module id = 13\n// module chunks = 0","// Thank's IE8 for his funny defineProperty\nmodule.exports = !require('./_fails')(function(){\n  return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7;\n});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_descriptors.js\n// module id = 14\n// module chunks = 0","// 19.1.2.14 / 15.2.3.14 Object.keys(O)\nvar $keys       = require('./_object-keys-internal')\n  , enumBugKeys = require('./_enum-bug-keys');\n\nmodule.exports = Object.keys || function keys(O){\n  return $keys(O, enumBugKeys);\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-keys.js\n// module id = 15\n// module chunks = 0","module.exports = function(bitmap, value){\n  return {\n    enumerable  : !(bitmap & 1),\n    configurable: !(bitmap & 2),\n    writable    : !(bitmap & 4),\n    value       : value\n  };\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_property-desc.js\n// module id = 16\n// module chunks = 0","var id = 0\n  , px = Math.random();\nmodule.exports = function(key){\n  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_uid.js\n// module id = 17\n// module chunks = 0","// Thank's IE8 for his funny defineProperty\nmodule.exports = !require('./_fails')(function(){\n  return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7;\n});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_descriptors.js\n// module id = 18\n// module chunks = 0","// Thank's IE8 for his funny defineProperty\nmodule.exports = !require('./_fails')(function(){\n  return Object.defineProperty({}, 'a', {get: function(){ return 7; }}).a != 7;\n});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_descriptors.js\n// module id = 19\n// module chunks = 0","module.exports = function(it){\n  return typeof it === 'object' ? it !== null : typeof it === 'function';\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_is-object.js\n// module id = 20\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nexports.default = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/helpers/classCallCheck.js\n// module id = 21\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nvar _defineProperty = require(\"../core-js/object/define-property\");\n\nvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function () {\n  function defineProperties(target, props) {\n    for (var i = 0; i < props.length; i++) {\n      var descriptor = props[i];\n      descriptor.enumerable = descriptor.enumerable || false;\n      descriptor.configurable = true;\n      if (\"value\" in descriptor) descriptor.writable = true;\n      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n    }\n  }\n\n  return function (Constructor, protoProps, staticProps) {\n    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n    if (staticProps) defineProperties(Constructor, staticProps);\n    return Constructor;\n  };\n}();\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/helpers/createClass.js\n// module id = 22\n// module chunks = 0","// 7.2.1 RequireObjectCoercible(argument)\nmodule.exports = function(it){\n  if(it == undefined)throw TypeError(\"Can't call method on  \" + it);\n  return it;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_defined.js\n// module id = 23\n// module chunks = 0","// IE 8- don't enum bug keys\nmodule.exports = (\n  'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'\n).split(',');\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_enum-bug-keys.js\n// module id = 24\n// module chunks = 0","module.exports = {};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_iterators.js\n// module id = 25\n// module chunks = 0","module.exports = true;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_library.js\n// module id = 26\n// module chunks = 0","// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\nvar anObject    = require('./_an-object')\n  , dPs         = require('./_object-dps')\n  , enumBugKeys = require('./_enum-bug-keys')\n  , IE_PROTO    = require('./_shared-key')('IE_PROTO')\n  , Empty       = function(){ /* empty */ }\n  , PROTOTYPE   = 'prototype';\n\n// Create object with fake `null` prototype: use iframe Object with cleared prototype\nvar createDict = function(){\n  // Thrash, waste and sodomy: IE GC bug\n  var iframe = require('./_dom-create')('iframe')\n    , i      = enumBugKeys.length\n    , lt     = '<'\n    , gt     = '>'\n    , iframeDocument;\n  iframe.style.display = 'none';\n  require('./_html').appendChild(iframe);\n  iframe.src = 'javascript:'; // eslint-disable-line no-script-url\n  // createDict = iframe.contentWindow.Object;\n  // html.removeChild(iframe);\n  iframeDocument = iframe.contentWindow.document;\n  iframeDocument.open();\n  iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);\n  iframeDocument.close();\n  createDict = iframeDocument.F;\n  while(i--)delete createDict[PROTOTYPE][enumBugKeys[i]];\n  return createDict();\n};\n\nmodule.exports = Object.create || function create(O, Properties){\n  var result;\n  if(O !== null){\n    Empty[PROTOTYPE] = anObject(O);\n    result = new Empty;\n    Empty[PROTOTYPE] = null;\n    // add \"__proto__\" for Object.getPrototypeOf polyfill\n    result[IE_PROTO] = O;\n  } else result = createDict();\n  return Properties === undefined ? result : dPs(result, Properties);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-create.js\n// module id = 27\n// module chunks = 0","exports.f = {}.propertyIsEnumerable;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-pie.js\n// module id = 28\n// module chunks = 0","var def = require('./_object-dp').f\n  , has = require('./_has')\n  , TAG = require('./_wks')('toStringTag');\n\nmodule.exports = function(it, tag, stat){\n  if(it && !has(it = stat ? it : it.prototype, TAG))def(it, TAG, {configurable: true, value: tag});\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_set-to-string-tag.js\n// module id = 29\n// module chunks = 0","var shared = require('./_shared')('keys')\n  , uid    = require('./_uid');\nmodule.exports = function(key){\n  return shared[key] || (shared[key] = uid(key));\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_shared-key.js\n// module id = 30\n// module chunks = 0","var global = require('./_global')\n  , SHARED = '__core-js_shared__'\n  , store  = global[SHARED] || (global[SHARED] = {});\nmodule.exports = function(key){\n  return store[key] || (store[key] = {});\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_shared.js\n// module id = 31\n// module chunks = 0","// 7.1.4 ToInteger\nvar ceil  = Math.ceil\n  , floor = Math.floor;\nmodule.exports = function(it){\n  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_to-integer.js\n// module id = 32\n// module chunks = 0","// 7.1.1 ToPrimitive(input [, PreferredType])\nvar isObject = require('./_is-object');\n// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n// and the second argument - flag - preferred type is a string\nmodule.exports = function(it, S){\n  if(!isObject(it))return it;\n  var fn, val;\n  if(S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n  if(typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it)))return val;\n  if(!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n  throw TypeError(\"Can't convert object to primitive value\");\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_to-primitive.js\n// module id = 33\n// module chunks = 0","var global         = require('./_global')\n  , core           = require('./_core')\n  , LIBRARY        = require('./_library')\n  , wksExt         = require('./_wks-ext')\n  , defineProperty = require('./_object-dp').f;\nmodule.exports = function(name){\n  var $Symbol = core.Symbol || (core.Symbol = LIBRARY ? {} : global.Symbol || {});\n  if(name.charAt(0) != '_' && !(name in $Symbol))defineProperty($Symbol, name, {value: wksExt.f(name)});\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_wks-define.js\n// module id = 34\n// module chunks = 0","exports.f = require('./_wks');\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_wks-ext.js\n// module id = 35\n// module chunks = 0","module.exports = function(it){\n  return typeof it === 'object' ? it !== null : typeof it === 'function';\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_is-object.js\n// module id = 36\n// module chunks = 0","module.exports = function(it){\n  return typeof it === 'object' ? it !== null : typeof it === 'function';\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_is-object.js\n// module id = 37\n// module chunks = 0","import Radio from './radio.component.js'\n\nangular.module('oui.radio', []).component('ouiRadio', Radio)\n\n\n\n// WEBPACK FOOTER //\n// ../oui-radio/src/index.js","var core = module.exports = {version: '2.4.0'};\nif(typeof __e == 'number')__e = core; // eslint-disable-line no-undef\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_core.js\n// module id = 39\n// module chunks = 0","module.exports = function(exec){\n  try {\n    return !!exec();\n  } catch(e){\n    return true;\n  }\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_fails.js\n// module id = 40\n// module chunks = 0","// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n  ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();\nif(typeof __g == 'number')__g = global; // eslint-disable-line no-undef\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_global.js\n// module id = 41\n// module chunks = 0","var anObject       = require('./_an-object')\n  , IE8_DOM_DEFINE = require('./_ie8-dom-define')\n  , toPrimitive    = require('./_to-primitive')\n  , dP             = Object.defineProperty;\n\nexports.f = require('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes){\n  anObject(O);\n  P = toPrimitive(P, true);\n  anObject(Attributes);\n  if(IE8_DOM_DEFINE)try {\n    return dP(O, P, Attributes);\n  } catch(e){ /* empty */ }\n  if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!');\n  if('value' in Attributes)O[P] = Attributes.value;\n  return O;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_object-dp.js\n// module id = 42\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nvar _iterator = require(\"../core-js/symbol/iterator\");\n\nvar _iterator2 = _interopRequireDefault(_iterator);\n\nvar _symbol = require(\"../core-js/symbol\");\n\nvar _symbol2 = _interopRequireDefault(_symbol);\n\nvar _typeof = typeof _symbol2.default === \"function\" && typeof _iterator2.default === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof _symbol2.default === \"function\" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? \"symbol\" : typeof obj; };\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = typeof _symbol2.default === \"function\" && _typeof(_iterator2.default) === \"symbol\" ? function (obj) {\n  return typeof obj === \"undefined\" ? \"undefined\" : _typeof(obj);\n} : function (obj) {\n  return obj && typeof _symbol2.default === \"function\" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? \"symbol\" : typeof obj === \"undefined\" ? \"undefined\" : _typeof(obj);\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/helpers/typeof.js\n// module id = 43\n// module chunks = 0","var toString = {}.toString;\n\nmodule.exports = function(it){\n  return toString.call(it).slice(8, -1);\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_cof.js\n// module id = 44\n// module chunks = 0","// optional / simple context binding\nvar aFunction = require('./_a-function');\nmodule.exports = function(fn, that, length){\n  aFunction(fn);\n  if(that === undefined)return fn;\n  switch(length){\n    case 1: return function(a){\n      return fn.call(that, a);\n    };\n    case 2: return function(a, b){\n      return fn.call(that, a, b);\n    };\n    case 3: return function(a, b, c){\n      return fn.call(that, a, b, c);\n    };\n  }\n  return function(/* ...args */){\n    return fn.apply(that, arguments);\n  };\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_ctx.js\n// module id = 45\n// module chunks = 0","var isObject = require('./_is-object')\n  , document = require('./_global').document\n  // in old IE typeof document.createElement is 'object'\n  , is = isObject(document) && isObject(document.createElement);\nmodule.exports = function(it){\n  return is ? document.createElement(it) : {};\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_dom-create.js\n// module id = 46\n// module chunks = 0","module.exports = !require('./_descriptors') && !require('./_fails')(function(){\n  return Object.defineProperty(require('./_dom-create')('div'), 'a', {get: function(){ return 7; }}).a != 7;\n});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_ie8-dom-define.js\n// module id = 47\n// module chunks = 0","'use strict';\nvar LIBRARY        = require('./_library')\n  , $export        = require('./_export')\n  , redefine       = require('./_redefine')\n  , hide           = require('./_hide')\n  , has            = require('./_has')\n  , Iterators      = require('./_iterators')\n  , $iterCreate    = require('./_iter-create')\n  , setToStringTag = require('./_set-to-string-tag')\n  , getPrototypeOf = require('./_object-gpo')\n  , ITERATOR       = require('./_wks')('iterator')\n  , BUGGY          = !([].keys && 'next' in [].keys()) // Safari has buggy iterators w/o `next`\n  , FF_ITERATOR    = '@@iterator'\n  , KEYS           = 'keys'\n  , VALUES         = 'values';\n\nvar returnThis = function(){ return this; };\n\nmodule.exports = function(Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED){\n  $iterCreate(Constructor, NAME, next);\n  var getMethod = function(kind){\n    if(!BUGGY && kind in proto)return proto[kind];\n    switch(kind){\n      case KEYS: return function keys(){ return new Constructor(this, kind); };\n      case VALUES: return function values(){ return new Constructor(this, kind); };\n    } return function entries(){ return new Constructor(this, kind); };\n  };\n  var TAG        = NAME + ' Iterator'\n    , DEF_VALUES = DEFAULT == VALUES\n    , VALUES_BUG = false\n    , proto      = Base.prototype\n    , $native    = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT]\n    , $default   = $native || getMethod(DEFAULT)\n    , $entries   = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined\n    , $anyNative = NAME == 'Array' ? proto.entries || $native : $native\n    , methods, key, IteratorPrototype;\n  // Fix native\n  if($anyNative){\n    IteratorPrototype = getPrototypeOf($anyNative.call(new Base));\n    if(IteratorPrototype !== Object.prototype){\n      // Set @@toStringTag to native iterators\n      setToStringTag(IteratorPrototype, TAG, true);\n      // fix for some old engines\n      if(!LIBRARY && !has(IteratorPrototype, ITERATOR))hide(IteratorPrototype, ITERATOR, returnThis);\n    }\n  }\n  // fix Array#{values, @@iterator}.name in V8 / FF\n  if(DEF_VALUES && $native && $native.name !== VALUES){\n    VALUES_BUG = true;\n    $default = function values(){ return $native.call(this); };\n  }\n  // Define iterator\n  if((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])){\n    hide(proto, ITERATOR, $default);\n  }\n  // Plug for library\n  Iterators[NAME] = $default;\n  Iterators[TAG]  = returnThis;\n  if(DEFAULT){\n    methods = {\n      values:  DEF_VALUES ? $default : getMethod(VALUES),\n      keys:    IS_SET     ? $default : getMethod(KEYS),\n      entries: $entries\n    };\n    if(FORCED)for(key in methods){\n      if(!(key in proto))redefine(proto, key, methods[key]);\n    } else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods);\n  }\n  return methods;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_iter-define.js\n// module id = 48\n// module chunks = 0","var pIE            = require('./_object-pie')\n  , createDesc     = require('./_property-desc')\n  , toIObject      = require('./_to-iobject')\n  , toPrimitive    = require('./_to-primitive')\n  , has            = require('./_has')\n  , IE8_DOM_DEFINE = require('./_ie8-dom-define')\n  , gOPD           = Object.getOwnPropertyDescriptor;\n\nexports.f = require('./_descriptors') ? gOPD : function getOwnPropertyDescriptor(O, P){\n  O = toIObject(O);\n  P = toPrimitive(P, true);\n  if(IE8_DOM_DEFINE)try {\n    return gOPD(O, P);\n  } catch(e){ /* empty */ }\n  if(has(O, P))return createDesc(!pIE.f.call(O, P), O[P]);\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-gopd.js\n// module id = 49\n// module chunks = 0","// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)\nvar $keys      = require('./_object-keys-internal')\n  , hiddenKeys = require('./_enum-bug-keys').concat('length', 'prototype');\n\nexports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O){\n  return $keys(O, hiddenKeys);\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-gopn.js\n// module id = 50\n// module chunks = 0","exports.f = Object.getOwnPropertySymbols;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-gops.js\n// module id = 51\n// module chunks = 0","// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)\nvar has         = require('./_has')\n  , toObject    = require('./_to-object')\n  , IE_PROTO    = require('./_shared-key')('IE_PROTO')\n  , ObjectProto = Object.prototype;\n\nmodule.exports = Object.getPrototypeOf || function(O){\n  O = toObject(O);\n  if(has(O, IE_PROTO))return O[IE_PROTO];\n  if(typeof O.constructor == 'function' && O instanceof O.constructor){\n    return O.constructor.prototype;\n  } return O instanceof Object ? ObjectProto : null;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-gpo.js\n// module id = 52\n// module chunks = 0","var has          = require('./_has')\n  , toIObject    = require('./_to-iobject')\n  , arrayIndexOf = require('./_array-includes')(false)\n  , IE_PROTO     = require('./_shared-key')('IE_PROTO');\n\nmodule.exports = function(object, names){\n  var O      = toIObject(object)\n    , i      = 0\n    , result = []\n    , key;\n  for(key in O)if(key != IE_PROTO)has(O, key) && result.push(key);\n  // Don't enum bug & hidden keys\n  while(names.length > i)if(has(O, key = names[i++])){\n    ~arrayIndexOf(result, key) || result.push(key);\n  }\n  return result;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-keys-internal.js\n// module id = 53\n// module chunks = 0","module.exports = require('./_hide');\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_redefine.js\n// module id = 54\n// module chunks = 0","// 7.1.13 ToObject(argument)\nvar defined = require('./_defined');\nmodule.exports = function(it){\n  return Object(defined(it));\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_to-object.js\n// module id = 55\n// module chunks = 0","/**\n * @license\n * Lodash <https://lodash.com/>\n * Copyright JS Foundation and other contributors <https://js.foundation/>\n * Released under MIT license <https://lodash.com/license>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n  var undefined;\n\n  /** Used as the semantic version number. */\n  var VERSION = '4.17.4';\n\n  /** Used as the size to enable large array optimizations. */\n  var LARGE_ARRAY_SIZE = 200;\n\n  /** Error message constants. */\n  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n      FUNC_ERROR_TEXT = 'Expected a function';\n\n  /** Used to stand-in for `undefined` hash values. */\n  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n  /** Used as the maximum memoize cache size. */\n  var MAX_MEMOIZE_SIZE = 500;\n\n  /** Used as the internal argument placeholder. */\n  var PLACEHOLDER = '__lodash_placeholder__';\n\n  /** Used to compose bitmasks for cloning. */\n  var CLONE_DEEP_FLAG = 1,\n      CLONE_FLAT_FLAG = 2,\n      CLONE_SYMBOLS_FLAG = 4;\n\n  /** Used to compose bitmasks for value comparisons. */\n  var COMPARE_PARTIAL_FLAG = 1,\n      COMPARE_UNORDERED_FLAG = 2;\n\n  /** Used to compose bitmasks for function metadata. */\n  var WRAP_BIND_FLAG = 1,\n      WRAP_BIND_KEY_FLAG = 2,\n      WRAP_CURRY_BOUND_FLAG = 4,\n      WRAP_CURRY_FLAG = 8,\n      WRAP_CURRY_RIGHT_FLAG = 16,\n      WRAP_PARTIAL_FLAG = 32,\n      WRAP_PARTIAL_RIGHT_FLAG = 64,\n      WRAP_ARY_FLAG = 128,\n      WRAP_REARG_FLAG = 256,\n      WRAP_FLIP_FLAG = 512;\n\n  /** Used as default options for `_.truncate`. */\n  var DEFAULT_TRUNC_LENGTH = 30,\n      DEFAULT_TRUNC_OMISSION = '...';\n\n  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n  var HOT_COUNT = 800,\n      HOT_SPAN = 16;\n\n  /** Used to indicate the type of lazy iteratees. */\n  var LAZY_FILTER_FLAG = 1,\n      LAZY_MAP_FLAG = 2,\n      LAZY_WHILE_FLAG = 3;\n\n  /** Used as references for various `Number` constants. */\n  var INFINITY = 1 / 0,\n      MAX_SAFE_INTEGER = 9007199254740991,\n      MAX_INTEGER = 1.7976931348623157e+308,\n      NAN = 0 / 0;\n\n  /** Used as references for the maximum length and index of an array. */\n  var MAX_ARRAY_LENGTH = 4294967295,\n      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n  /** Used to associate wrap methods with their bit flags. */\n  var wrapFlags = [\n    ['ary', WRAP_ARY_FLAG],\n    ['bind', WRAP_BIND_FLAG],\n    ['bindKey', WRAP_BIND_KEY_FLAG],\n    ['curry', WRAP_CURRY_FLAG],\n    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n    ['flip', WRAP_FLIP_FLAG],\n    ['partial', WRAP_PARTIAL_FLAG],\n    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n    ['rearg', WRAP_REARG_FLAG]\n  ];\n\n  /** `Object#toString` result references. */\n  var argsTag = '[object Arguments]',\n      arrayTag = '[object Array]',\n      asyncTag = '[object AsyncFunction]',\n      boolTag = '[object Boolean]',\n      dateTag = '[object Date]',\n      domExcTag = '[object DOMException]',\n      errorTag = '[object Error]',\n      funcTag = '[object Function]',\n      genTag = '[object GeneratorFunction]',\n      mapTag = '[object Map]',\n      numberTag = '[object Number]',\n      nullTag = '[object Null]',\n      objectTag = '[object Object]',\n      promiseTag = '[object Promise]',\n      proxyTag = '[object Proxy]',\n      regexpTag = '[object RegExp]',\n      setTag = '[object Set]',\n      stringTag = '[object String]',\n      symbolTag = '[object Symbol]',\n      undefinedTag = '[object Undefined]',\n      weakMapTag = '[object WeakMap]',\n      weakSetTag = '[object WeakSet]';\n\n  var arrayBufferTag = '[object ArrayBuffer]',\n      dataViewTag = '[object DataView]',\n      float32Tag = '[object Float32Array]',\n      float64Tag = '[object Float64Array]',\n      int8Tag = '[object Int8Array]',\n      int16Tag = '[object Int16Array]',\n      int32Tag = '[object Int32Array]',\n      uint8Tag = '[object Uint8Array]',\n      uint8ClampedTag = '[object Uint8ClampedArray]',\n      uint16Tag = '[object Uint16Array]',\n      uint32Tag = '[object Uint32Array]';\n\n  /** Used to match empty string literals in compiled template source. */\n  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n  /** Used to match HTML entities and HTML characters. */\n  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n      reUnescapedHtml = /[&<>\"']/g,\n      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n  /** Used to match template delimiters. */\n  var reEscape = /<%-([\\s\\S]+?)%>/g,\n      reEvaluate = /<%([\\s\\S]+?)%>/g,\n      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n  /** Used to match property names within property paths. */\n  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n      reIsPlainProp = /^\\w*$/,\n      reLeadingDot = /^\\./,\n      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n  /**\n   * Used to match `RegExp`\n   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n   */\n  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n      reHasRegExpChar = RegExp(reRegExpChar.source);\n\n  /** Used to match leading and trailing whitespace. */\n  var reTrim = /^\\s+|\\s+$/g,\n      reTrimStart = /^\\s+/,\n      reTrimEnd = /\\s+$/;\n\n  /** Used to match wrap detail comments. */\n  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n      reSplitDetails = /,? & /;\n\n  /** Used to match words composed of alphanumeric characters. */\n  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n  /** Used to match backslashes in property paths. */\n  var reEscapeChar = /\\\\(\\\\)?/g;\n\n  /**\n   * Used to match\n   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n   */\n  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n  /** Used to match `RegExp` flags from their coerced string values. */\n  var reFlags = /\\w*$/;\n\n  /** Used to detect bad signed hexadecimal string values. */\n  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n  /** Used to detect binary string values. */\n  var reIsBinary = /^0b[01]+$/i;\n\n  /** Used to detect host constructors (Safari). */\n  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n  /** Used to detect octal string values. */\n  var reIsOctal = /^0o[0-7]+$/i;\n\n  /** Used to detect unsigned integer values. */\n  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n  /** Used to ensure capturing order of template delimiters. */\n  var reNoMatch = /($^)/;\n\n  /** Used to match unescaped characters in compiled string literals. */\n  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n  /** Used to compose unicode character classes. */\n  var rsAstralRange = '\\\\ud800-\\\\udfff',\n      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n  /** Used to compose unicode capture groups. */\n  var rsApos = \"['\\u2019]\",\n      rsAstral = '[' + rsAstralRange + ']',\n      rsBreak = '[' + rsBreakRange + ']',\n      rsCombo = '[' + rsComboRange + ']',\n      rsDigits = '\\\\d+',\n      rsDingbat = '[' + rsDingbatRange + ']',\n      rsLower = '[' + rsLowerRange + ']',\n      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n      rsNonAstral = '[^' + rsAstralRange + ']',\n      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n      rsUpper = '[' + rsUpperRange + ']',\n      rsZWJ = '\\\\u200d';\n\n  /** Used to compose unicode regexes. */\n  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n      reOptMod = rsModifier + '?',\n      rsOptVar = '[' + rsVarRange + ']?',\n      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n  /** Used to match apostrophes. */\n  var reApos = RegExp(rsApos, 'g');\n\n  /**\n   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n   */\n  var reComboMark = RegExp(rsCombo, 'g');\n\n  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n  /** Used to match complex or compound words. */\n  var reUnicodeWord = RegExp([\n    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n    rsUpper + '+' + rsOptContrUpper,\n    rsOrdUpper,\n    rsOrdLower,\n    rsDigits,\n    rsEmoji\n  ].join('|'), 'g');\n\n  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\n  /** Used to detect strings that need a more robust regexp to match words. */\n  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n  /** Used to assign default `context` object properties. */\n  var contextProps = [\n    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n  ];\n\n  /** Used to make template sourceURLs easier to identify. */\n  var templateCounter = -1;\n\n  /** Used to identify `toStringTag` values of typed arrays. */\n  var typedArrayTags = {};\n  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n  typedArrayTags[uint32Tag] = true;\n  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n  typedArrayTags[weakMapTag] = false;\n\n  /** Used to identify `toStringTag` values supported by `_.clone`. */\n  var cloneableTags = {};\n  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n  cloneableTags[boolTag] = cloneableTags[dateTag] =\n  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n  cloneableTags[numberTag] = cloneableTags[objectTag] =\n  cloneableTags[regexpTag] = cloneableTags[setTag] =\n  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n  cloneableTags[errorTag] = cloneableTags[funcTag] =\n  cloneableTags[weakMapTag] = false;\n\n  /** Used to map Latin Unicode letters to basic Latin letters. */\n  var deburredLetters = {\n    // Latin-1 Supplement block.\n    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n    '\\xc7': 'C',  '\\xe7': 'c',\n    '\\xd0': 'D',  '\\xf0': 'd',\n    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n    '\\xd1': 'N',  '\\xf1': 'n',\n    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n    '\\xc6': 'Ae', '\\xe6': 'ae',\n    '\\xde': 'Th', '\\xfe': 'th',\n    '\\xdf': 'ss',\n    // Latin Extended-A block.\n    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n    '\\u0134': 'J',  '\\u0135': 'j',\n    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n    '\\u0174': 'W',  '\\u0175': 'w',\n    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n    '\\u0132': 'IJ', '\\u0133': 'ij',\n    '\\u0152': 'Oe', '\\u0153': 'oe',\n    '\\u0149': \"'n\", '\\u017f': 's'\n  };\n\n  /** Used to map characters to HTML entities. */\n  var htmlEscapes = {\n    '&': '&amp;',\n    '<': '&lt;',\n    '>': '&gt;',\n    '\"': '&quot;',\n    \"'\": '&#39;'\n  };\n\n  /** Used to map HTML entities to characters. */\n  var htmlUnescapes = {\n    '&amp;': '&',\n    '&lt;': '<',\n    '&gt;': '>',\n    '&quot;': '\"',\n    '&#39;': \"'\"\n  };\n\n  /** Used to escape characters for inclusion in compiled string literals. */\n  var stringEscapes = {\n    '\\\\': '\\\\',\n    \"'\": \"'\",\n    '\\n': 'n',\n    '\\r': 'r',\n    '\\u2028': 'u2028',\n    '\\u2029': 'u2029'\n  };\n\n  /** Built-in method references without a dependency on `root`. */\n  var freeParseFloat = parseFloat,\n      freeParseInt = parseInt;\n\n  /** Detect free variable `global` from Node.js. */\n  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n  /** Detect free variable `self`. */\n  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n  /** Used as a reference to the global object. */\n  var root = freeGlobal || freeSelf || Function('return this')();\n\n  /** Detect free variable `exports`. */\n  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n  /** Detect free variable `module`. */\n  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n  /** Detect the popular CommonJS extension `module.exports`. */\n  var moduleExports = freeModule && freeModule.exports === freeExports;\n\n  /** Detect free variable `process` from Node.js. */\n  var freeProcess = moduleExports && freeGlobal.process;\n\n  /** Used to access faster Node.js helpers. */\n  var nodeUtil = (function() {\n    try {\n      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n    } catch (e) {}\n  }());\n\n  /* Node.js helper references. */\n  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n      nodeIsDate = nodeUtil && nodeUtil.isDate,\n      nodeIsMap = nodeUtil && nodeUtil.isMap,\n      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n      nodeIsSet = nodeUtil && nodeUtil.isSet,\n      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Adds the key-value `pair` to `map`.\n   *\n   * @private\n   * @param {Object} map The map to modify.\n   * @param {Array} pair The key-value pair to add.\n   * @returns {Object} Returns `map`.\n   */\n  function addMapEntry(map, pair) {\n    // Don't return `map.set` because it's not chainable in IE 11.\n    map.set(pair[0], pair[1]);\n    return map;\n  }\n\n  /**\n   * Adds `value` to `set`.\n   *\n   * @private\n   * @param {Object} set The set to modify.\n   * @param {*} value The value to add.\n   * @returns {Object} Returns `set`.\n   */\n  function addSetEntry(set, value) {\n    // Don't return `set.add` because it's not chainable in IE 11.\n    set.add(value);\n    return set;\n  }\n\n  /**\n   * A faster alternative to `Function#apply`, this function invokes `func`\n   * with the `this` binding of `thisArg` and the arguments of `args`.\n   *\n   * @private\n   * @param {Function} func The function to invoke.\n   * @param {*} thisArg The `this` binding of `func`.\n   * @param {Array} args The arguments to invoke `func` with.\n   * @returns {*} Returns the result of `func`.\n   */\n  function apply(func, thisArg, args) {\n    switch (args.length) {\n      case 0: return func.call(thisArg);\n      case 1: return func.call(thisArg, args[0]);\n      case 2: return func.call(thisArg, args[0], args[1]);\n      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n    }\n    return func.apply(thisArg, args);\n  }\n\n  /**\n   * A specialized version of `baseAggregator` for arrays.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} setter The function to set `accumulator` values.\n   * @param {Function} iteratee The iteratee to transform keys.\n   * @param {Object} accumulator The initial aggregated object.\n   * @returns {Function} Returns `accumulator`.\n   */\n  function arrayAggregator(array, setter, iteratee, accumulator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      var value = array[index];\n      setter(accumulator, value, iteratee(value), array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.forEach` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEach(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (iteratee(array[index], index, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.forEachRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEachRight(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n\n    while (length--) {\n      if (iteratee(array[length], length, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.every` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n   *  else `false`.\n   */\n  function arrayEvery(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (!predicate(array[index], index, array)) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * A specialized version of `_.filter` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {Array} Returns the new filtered array.\n   */\n  function arrayFilter(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (predicate(value, index, array)) {\n        result[resIndex++] = value;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.includes` for arrays without support for\n   * specifying an index to search from.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludes(array, value) {\n    var length = array == null ? 0 : array.length;\n    return !!length && baseIndexOf(array, value, 0) > -1;\n  }\n\n  /**\n   * This function is like `arrayIncludes` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludesWith(array, value, comparator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (comparator(value, array[index])) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * A specialized version of `_.map` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the new mapped array.\n   */\n  function arrayMap(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        result = Array(length);\n\n    while (++index < length) {\n      result[index] = iteratee(array[index], index, array);\n    }\n    return result;\n  }\n\n  /**\n   * Appends the elements of `values` to `array`.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {Array} values The values to append.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayPush(array, values) {\n    var index = -1,\n        length = values.length,\n        offset = array.length;\n\n    while (++index < length) {\n      array[offset + index] = values[index];\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.reduce` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the first element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduce(array, iteratee, accumulator, initAccum) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    if (initAccum && length) {\n      accumulator = array[++index];\n    }\n    while (++index < length) {\n      accumulator = iteratee(accumulator, array[index], index, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.reduceRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the last element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n    var length = array == null ? 0 : array.length;\n    if (initAccum && length) {\n      accumulator = array[--length];\n    }\n    while (length--) {\n      accumulator = iteratee(accumulator, array[length], length, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.some` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if any element passes the predicate check,\n   *  else `false`.\n   */\n  function arraySome(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (predicate(array[index], index, array)) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * Gets the size of an ASCII `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  var asciiSize = baseProperty('length');\n\n  /**\n   * Converts an ASCII `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function asciiToArray(string) {\n    return string.split('');\n  }\n\n  /**\n   * Splits an ASCII `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function asciiWords(string) {\n    return string.match(reAsciiWord) || [];\n  }\n\n  /**\n   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n   * without support for iteratee shorthands, which iterates over `collection`\n   * using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the found element or its key, else `undefined`.\n   */\n  function baseFindKey(collection, predicate, eachFunc) {\n    var result;\n    eachFunc(collection, function(value, key, collection) {\n      if (predicate(value, key, collection)) {\n        result = key;\n        return false;\n      }\n    });\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n   * support for iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {number} fromIndex The index to search from.\n   * @param {boolean} [fromRight] Specify iterating from right to left.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n    var length = array.length,\n        index = fromIndex + (fromRight ? 1 : -1);\n\n    while ((fromRight ? index-- : ++index < length)) {\n      if (predicate(array[index], index, array)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOf(array, value, fromIndex) {\n    return value === value\n      ? strictIndexOf(array, value, fromIndex)\n      : baseFindIndex(array, baseIsNaN, fromIndex);\n  }\n\n  /**\n   * This function is like `baseIndexOf` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOfWith(array, value, fromIndex, comparator) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (comparator(array[index], value)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.isNaN` without support for number objects.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n   */\n  function baseIsNaN(value) {\n    return value !== value;\n  }\n\n  /**\n   * The base implementation of `_.mean` and `_.meanBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the mean.\n   */\n  function baseMean(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n    return length ? (baseSum(array, iteratee) / length) : NAN;\n  }\n\n  /**\n   * The base implementation of `_.property` without support for deep paths.\n   *\n   * @private\n   * @param {string} key The key of the property to get.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function baseProperty(key) {\n    return function(object) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.propertyOf` without support for deep paths.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function basePropertyOf(object) {\n    return function(key) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} accumulator The initial value.\n   * @param {boolean} initAccum Specify using the first or last element of\n   *  `collection` as the initial value.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the accumulated value.\n   */\n  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n    eachFunc(collection, function(value, index, collection) {\n      accumulator = initAccum\n        ? (initAccum = false, value)\n        : iteratee(accumulator, value, index, collection);\n    });\n    return accumulator;\n  }\n\n  /**\n   * The base implementation of `_.sortBy` which uses `comparer` to define the\n   * sort order of `array` and replaces criteria objects with their corresponding\n   * values.\n   *\n   * @private\n   * @param {Array} array The array to sort.\n   * @param {Function} comparer The function to define sort order.\n   * @returns {Array} Returns `array`.\n   */\n  function baseSortBy(array, comparer) {\n    var length = array.length;\n\n    array.sort(comparer);\n    while (length--) {\n      array[length] = array[length].value;\n    }\n    return array;\n  }\n\n  /**\n   * The base implementation of `_.sum` and `_.sumBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the sum.\n   */\n  function baseSum(array, iteratee) {\n    var result,\n        index = -1,\n        length = array.length;\n\n    while (++index < length) {\n      var current = iteratee(array[index]);\n      if (current !== undefined) {\n        result = result === undefined ? current : (result + current);\n      }\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.times` without support for iteratee shorthands\n   * or max array length checks.\n   *\n   * @private\n   * @param {number} n The number of times to invoke `iteratee`.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the array of results.\n   */\n  function baseTimes(n, iteratee) {\n    var index = -1,\n        result = Array(n);\n\n    while (++index < n) {\n      result[index] = iteratee(index);\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n   * of key-value pairs for `object` corresponding to the property names of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the key-value pairs.\n   */\n  function baseToPairs(object, props) {\n    return arrayMap(props, function(key) {\n      return [key, object[key]];\n    });\n  }\n\n  /**\n   * The base implementation of `_.unary` without support for storing metadata.\n   *\n   * @private\n   * @param {Function} func The function to cap arguments for.\n   * @returns {Function} Returns the new capped function.\n   */\n  function baseUnary(func) {\n    return function(value) {\n      return func(value);\n    };\n  }\n\n  /**\n   * The base implementation of `_.values` and `_.valuesIn` which creates an\n   * array of `object` property values corresponding to the property names\n   * of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the array of property values.\n   */\n  function baseValues(object, props) {\n    return arrayMap(props, function(key) {\n      return object[key];\n    });\n  }\n\n  /**\n   * Checks if a `cache` value for `key` exists.\n   *\n   * @private\n   * @param {Object} cache The cache to query.\n   * @param {string} key The key of the entry to check.\n   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n   */\n  function cacheHas(cache, key) {\n    return cache.has(key);\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the first unmatched string symbol.\n   */\n  function charsStartIndex(strSymbols, chrSymbols) {\n    var index = -1,\n        length = strSymbols.length;\n\n    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the last unmatched string symbol.\n   */\n  function charsEndIndex(strSymbols, chrSymbols) {\n    var index = strSymbols.length;\n\n    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Gets the number of `placeholder` occurrences in `array`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} placeholder The placeholder to search for.\n   * @returns {number} Returns the placeholder count.\n   */\n  function countHolders(array, placeholder) {\n    var length = array.length,\n        result = 0;\n\n    while (length--) {\n      if (array[length] === placeholder) {\n        ++result;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n   * letters to basic Latin letters.\n   *\n   * @private\n   * @param {string} letter The matched letter to deburr.\n   * @returns {string} Returns the deburred letter.\n   */\n  var deburrLetter = basePropertyOf(deburredLetters);\n\n  /**\n   * Used by `_.escape` to convert characters to HTML entities.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n  /**\n   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  function escapeStringChar(chr) {\n    return '\\\\' + stringEscapes[chr];\n  }\n\n  /**\n   * Gets the value at `key` of `object`.\n   *\n   * @private\n   * @param {Object} [object] The object to query.\n   * @param {string} key The key of the property to get.\n   * @returns {*} Returns the property value.\n   */\n  function getValue(object, key) {\n    return object == null ? undefined : object[key];\n  }\n\n  /**\n   * Checks if `string` contains Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n   */\n  function hasUnicode(string) {\n    return reHasUnicode.test(string);\n  }\n\n  /**\n   * Checks if `string` contains a word composed of Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a word is found, else `false`.\n   */\n  function hasUnicodeWord(string) {\n    return reHasUnicodeWord.test(string);\n  }\n\n  /**\n   * Converts `iterator` to an array.\n   *\n   * @private\n   * @param {Object} iterator The iterator to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function iteratorToArray(iterator) {\n    var data,\n        result = [];\n\n    while (!(data = iterator.next()).done) {\n      result.push(data.value);\n    }\n    return result;\n  }\n\n  /**\n   * Converts `map` to its key-value pairs.\n   *\n   * @private\n   * @param {Object} map The map to convert.\n   * @returns {Array} Returns the key-value pairs.\n   */\n  function mapToArray(map) {\n    var index = -1,\n        result = Array(map.size);\n\n    map.forEach(function(value, key) {\n      result[++index] = [key, value];\n    });\n    return result;\n  }\n\n  /**\n   * Creates a unary function that invokes `func` with its argument transformed.\n   *\n   * @private\n   * @param {Function} func The function to wrap.\n   * @param {Function} transform The argument transform.\n   * @returns {Function} Returns the new function.\n   */\n  function overArg(func, transform) {\n    return function(arg) {\n      return func(transform(arg));\n    };\n  }\n\n  /**\n   * Replaces all `placeholder` elements in `array` with an internal placeholder\n   * and returns an array of their indexes.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {*} placeholder The placeholder to replace.\n   * @returns {Array} Returns the new array of placeholder indexes.\n   */\n  function replaceHolders(array, placeholder) {\n    var index = -1,\n        length = array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (value === placeholder || value === PLACEHOLDER) {\n        array[index] = PLACEHOLDER;\n        result[resIndex++] = index;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Converts `set` to an array of its values.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the values.\n   */\n  function setToArray(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = value;\n    });\n    return result;\n  }\n\n  /**\n   * Converts `set` to its value-value pairs.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the value-value pairs.\n   */\n  function setToPairs(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = [value, value];\n    });\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.indexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictIndexOf(array, value, fromIndex) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * A specialized version of `_.lastIndexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictLastIndexOf(array, value, fromIndex) {\n    var index = fromIndex + 1;\n    while (index--) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return index;\n  }\n\n  /**\n   * Gets the number of symbols in `string`.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {number} Returns the string size.\n   */\n  function stringSize(string) {\n    return hasUnicode(string)\n      ? unicodeSize(string)\n      : asciiSize(string);\n  }\n\n  /**\n   * Converts `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function stringToArray(string) {\n    return hasUnicode(string)\n      ? unicodeToArray(string)\n      : asciiToArray(string);\n  }\n\n  /**\n   * Used by `_.unescape` to convert HTML entities to characters.\n   *\n   * @private\n   * @param {string} chr The matched character to unescape.\n   * @returns {string} Returns the unescaped character.\n   */\n  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n  /**\n   * Gets the size of a Unicode `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  function unicodeSize(string) {\n    var result = reUnicode.lastIndex = 0;\n    while (reUnicode.test(string)) {\n      ++result;\n    }\n    return result;\n  }\n\n  /**\n   * Converts a Unicode `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function unicodeToArray(string) {\n    return string.match(reUnicode) || [];\n  }\n\n  /**\n   * Splits a Unicode `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function unicodeWords(string) {\n    return string.match(reUnicodeWord) || [];\n  }\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Create a new pristine `lodash` function using the `context` object.\n   *\n   * @static\n   * @memberOf _\n   * @since 1.1.0\n   * @category Util\n   * @param {Object} [context=root] The context object.\n   * @returns {Function} Returns a new `lodash` function.\n   * @example\n   *\n   * _.mixin({ 'foo': _.constant('foo') });\n   *\n   * var lodash = _.runInContext();\n   * lodash.mixin({ 'bar': lodash.constant('bar') });\n   *\n   * _.isFunction(_.foo);\n   * // => true\n   * _.isFunction(_.bar);\n   * // => false\n   *\n   * lodash.isFunction(lodash.foo);\n   * // => false\n   * lodash.isFunction(lodash.bar);\n   * // => true\n   *\n   * // Create a suped-up `defer` in Node.js.\n   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n   */\n  var runInContext = (function runInContext(context) {\n    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n    /** Built-in constructor references. */\n    var Array = context.Array,\n        Date = context.Date,\n        Error = context.Error,\n        Function = context.Function,\n        Math = context.Math,\n        Object = context.Object,\n        RegExp = context.RegExp,\n        String = context.String,\n        TypeError = context.TypeError;\n\n    /** Used for built-in method references. */\n    var arrayProto = Array.prototype,\n        funcProto = Function.prototype,\n        objectProto = Object.prototype;\n\n    /** Used to detect overreaching core-js shims. */\n    var coreJsData = context['__core-js_shared__'];\n\n    /** Used to resolve the decompiled source of functions. */\n    var funcToString = funcProto.toString;\n\n    /** Used to check objects for own properties. */\n    var hasOwnProperty = objectProto.hasOwnProperty;\n\n    /** Used to generate unique IDs. */\n    var idCounter = 0;\n\n    /** Used to detect methods masquerading as native. */\n    var maskSrcKey = (function() {\n      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n      return uid ? ('Symbol(src)_1.' + uid) : '';\n    }());\n\n    /**\n     * Used to resolve the\n     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n     * of values.\n     */\n    var nativeObjectToString = objectProto.toString;\n\n    /** Used to infer the `Object` constructor. */\n    var objectCtorString = funcToString.call(Object);\n\n    /** Used to restore the original `_` reference in `_.noConflict`. */\n    var oldDash = root._;\n\n    /** Used to detect if a method is native. */\n    var reIsNative = RegExp('^' +\n      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n    );\n\n    /** Built-in value references. */\n    var Buffer = moduleExports ? context.Buffer : undefined,\n        Symbol = context.Symbol,\n        Uint8Array = context.Uint8Array,\n        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n        getPrototype = overArg(Object.getPrototypeOf, Object),\n        objectCreate = Object.create,\n        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n        splice = arrayProto.splice,\n        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n        symIterator = Symbol ? Symbol.iterator : undefined,\n        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n    var defineProperty = (function() {\n      try {\n        var func = getNative(Object, 'defineProperty');\n        func({}, '', {});\n        return func;\n      } catch (e) {}\n    }());\n\n    /** Mocked built-ins. */\n    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n    /* Built-in method references for those with the same name as other `lodash` methods. */\n    var nativeCeil = Math.ceil,\n        nativeFloor = Math.floor,\n        nativeGetSymbols = Object.getOwnPropertySymbols,\n        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n        nativeIsFinite = context.isFinite,\n        nativeJoin = arrayProto.join,\n        nativeKeys = overArg(Object.keys, Object),\n        nativeMax = Math.max,\n        nativeMin = Math.min,\n        nativeNow = Date.now,\n        nativeParseInt = context.parseInt,\n        nativeRandom = Math.random,\n        nativeReverse = arrayProto.reverse;\n\n    /* Built-in method references that are verified to be native. */\n    var DataView = getNative(context, 'DataView'),\n        Map = getNative(context, 'Map'),\n        Promise = getNative(context, 'Promise'),\n        Set = getNative(context, 'Set'),\n        WeakMap = getNative(context, 'WeakMap'),\n        nativeCreate = getNative(Object, 'create');\n\n    /** Used to store function metadata. */\n    var metaMap = WeakMap && new WeakMap;\n\n    /** Used to lookup unminified function names. */\n    var realNames = {};\n\n    /** Used to detect maps, sets, and weakmaps. */\n    var dataViewCtorString = toSource(DataView),\n        mapCtorString = toSource(Map),\n        promiseCtorString = toSource(Promise),\n        setCtorString = toSource(Set),\n        weakMapCtorString = toSource(WeakMap);\n\n    /** Used to convert symbols to primitives and strings. */\n    var symbolProto = Symbol ? Symbol.prototype : undefined,\n        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` object which wraps `value` to enable implicit method\n     * chain sequences. Methods that operate on and return arrays, collections,\n     * and functions can be chained together. Methods that retrieve a single value\n     * or may return a primitive value will automatically end the chain sequence\n     * and return the unwrapped value. Otherwise, the value must be unwrapped\n     * with `_#value`.\n     *\n     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n     * enabled using `_.chain`.\n     *\n     * The execution of chained methods is lazy, that is, it's deferred until\n     * `_#value` is implicitly or explicitly called.\n     *\n     * Lazy evaluation allows several methods to support shortcut fusion.\n     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n     * the creation of intermediate arrays and can greatly reduce the number of\n     * iteratee executions. Sections of a chain sequence qualify for shortcut\n     * fusion if the section is applied to an array and iteratees accept only\n     * one argument. The heuristic for whether a section qualifies for shortcut\n     * fusion is subject to change.\n     *\n     * Chaining is supported in custom builds as long as the `_#value` method is\n     * directly or indirectly included in the build.\n     *\n     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n     *\n     * The wrapper `Array` methods are:\n     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n     *\n     * The wrapper `String` methods are:\n     * `replace` and `split`\n     *\n     * The wrapper methods that support shortcut fusion are:\n     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n     *\n     * The chainable wrapper methods are:\n     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n     * `zipObject`, `zipObjectDeep`, and `zipWith`\n     *\n     * The wrapper methods that are **not** chainable by default are:\n     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n     * `upperFirst`, `value`, and `words`\n     *\n     * @name _\n     * @constructor\n     * @category Seq\n     * @param {*} value The value to wrap in a `lodash` instance.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2, 3]);\n     *\n     * // Returns an unwrapped value.\n     * wrapped.reduce(_.add);\n     * // => 6\n     *\n     * // Returns a wrapped value.\n     * var squares = wrapped.map(square);\n     *\n     * _.isArray(squares);\n     * // => false\n     *\n     * _.isArray(squares.value());\n     * // => true\n     */\n    function lodash(value) {\n      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n        if (value instanceof LodashWrapper) {\n          return value;\n        }\n        if (hasOwnProperty.call(value, '__wrapped__')) {\n          return wrapperClone(value);\n        }\n      }\n      return new LodashWrapper(value);\n    }\n\n    /**\n     * The base implementation of `_.create` without support for assigning\n     * properties to the created object.\n     *\n     * @private\n     * @param {Object} proto The object to inherit from.\n     * @returns {Object} Returns the new object.\n     */\n    var baseCreate = (function() {\n      function object() {}\n      return function(proto) {\n        if (!isObject(proto)) {\n          return {};\n        }\n        if (objectCreate) {\n          return objectCreate(proto);\n        }\n        object.prototype = proto;\n        var result = new object;\n        object.prototype = undefined;\n        return result;\n      };\n    }());\n\n    /**\n     * The function whose prototype chain sequence wrappers inherit from.\n     *\n     * @private\n     */\n    function baseLodash() {\n      // No operation performed.\n    }\n\n    /**\n     * The base constructor for creating `lodash` wrapper objects.\n     *\n     * @private\n     * @param {*} value The value to wrap.\n     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n     */\n    function LodashWrapper(value, chainAll) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__chain__ = !!chainAll;\n      this.__index__ = 0;\n      this.__values__ = undefined;\n    }\n\n    /**\n     * By default, the template delimiters used by lodash are like those in\n     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n     * following template settings to use alternative delimiters.\n     *\n     * @static\n     * @memberOf _\n     * @type {Object}\n     */\n    lodash.templateSettings = {\n\n      /**\n       * Used to detect `data` property values to be HTML-escaped.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'escape': reEscape,\n\n      /**\n       * Used to detect code to be evaluated.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'evaluate': reEvaluate,\n\n      /**\n       * Used to detect `data` property values to inject.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'interpolate': reInterpolate,\n\n      /**\n       * Used to reference the data object in the template text.\n       *\n       * @memberOf _.templateSettings\n       * @type {string}\n       */\n      'variable': '',\n\n      /**\n       * Used to import variables into the compiled template.\n       *\n       * @memberOf _.templateSettings\n       * @type {Object}\n       */\n      'imports': {\n\n        /**\n         * A reference to the `lodash` function.\n         *\n         * @memberOf _.templateSettings.imports\n         * @type {Function}\n         */\n        '_': lodash\n      }\n    };\n\n    // Ensure wrappers are instances of `baseLodash`.\n    lodash.prototype = baseLodash.prototype;\n    lodash.prototype.constructor = lodash;\n\n    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n    LodashWrapper.prototype.constructor = LodashWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n     *\n     * @private\n     * @constructor\n     * @param {*} value The value to wrap.\n     */\n    function LazyWrapper(value) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__dir__ = 1;\n      this.__filtered__ = false;\n      this.__iteratees__ = [];\n      this.__takeCount__ = MAX_ARRAY_LENGTH;\n      this.__views__ = [];\n    }\n\n    /**\n     * Creates a clone of the lazy wrapper object.\n     *\n     * @private\n     * @name clone\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the cloned `LazyWrapper` object.\n     */\n    function lazyClone() {\n      var result = new LazyWrapper(this.__wrapped__);\n      result.__actions__ = copyArray(this.__actions__);\n      result.__dir__ = this.__dir__;\n      result.__filtered__ = this.__filtered__;\n      result.__iteratees__ = copyArray(this.__iteratees__);\n      result.__takeCount__ = this.__takeCount__;\n      result.__views__ = copyArray(this.__views__);\n      return result;\n    }\n\n    /**\n     * Reverses the direction of lazy iteration.\n     *\n     * @private\n     * @name reverse\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n     */\n    function lazyReverse() {\n      if (this.__filtered__) {\n        var result = new LazyWrapper(this);\n        result.__dir__ = -1;\n        result.__filtered__ = true;\n      } else {\n        result = this.clone();\n        result.__dir__ *= -1;\n      }\n      return result;\n    }\n\n    /**\n     * Extracts the unwrapped value from its lazy wrapper.\n     *\n     * @private\n     * @name value\n     * @memberOf LazyWrapper\n     * @returns {*} Returns the unwrapped value.\n     */\n    function lazyValue() {\n      var array = this.__wrapped__.value(),\n          dir = this.__dir__,\n          isArr = isArray(array),\n          isRight = dir < 0,\n          arrLength = isArr ? array.length : 0,\n          view = getView(0, arrLength, this.__views__),\n          start = view.start,\n          end = view.end,\n          length = end - start,\n          index = isRight ? end : (start - 1),\n          iteratees = this.__iteratees__,\n          iterLength = iteratees.length,\n          resIndex = 0,\n          takeCount = nativeMin(length, this.__takeCount__);\n\n      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n        return baseWrapperValue(array, this.__actions__);\n      }\n      var result = [];\n\n      outer:\n      while (length-- && resIndex < takeCount) {\n        index += dir;\n\n        var iterIndex = -1,\n            value = array[index];\n\n        while (++iterIndex < iterLength) {\n          var data = iteratees[iterIndex],\n              iteratee = data.iteratee,\n              type = data.type,\n              computed = iteratee(value);\n\n          if (type == LAZY_MAP_FLAG) {\n            value = computed;\n          } else if (!computed) {\n            if (type == LAZY_FILTER_FLAG) {\n              continue outer;\n            } else {\n              break outer;\n            }\n          }\n        }\n        result[resIndex++] = value;\n      }\n      return result;\n    }\n\n    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n    LazyWrapper.prototype.constructor = LazyWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a hash object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Hash(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the hash.\n     *\n     * @private\n     * @name clear\n     * @memberOf Hash\n     */\n    function hashClear() {\n      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the hash.\n     *\n     * @private\n     * @name delete\n     * @memberOf Hash\n     * @param {Object} hash The hash to modify.\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function hashDelete(key) {\n      var result = this.has(key) && delete this.__data__[key];\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the hash value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Hash\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function hashGet(key) {\n      var data = this.__data__;\n      if (nativeCreate) {\n        var result = data[key];\n        return result === HASH_UNDEFINED ? undefined : result;\n      }\n      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n    }\n\n    /**\n     * Checks if a hash value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Hash\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function hashHas(key) {\n      var data = this.__data__;\n      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n    }\n\n    /**\n     * Sets the hash `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Hash\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the hash instance.\n     */\n    function hashSet(key, value) {\n      var data = this.__data__;\n      this.size += this.has(key) ? 0 : 1;\n      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n      return this;\n    }\n\n    // Add methods to `Hash`.\n    Hash.prototype.clear = hashClear;\n    Hash.prototype['delete'] = hashDelete;\n    Hash.prototype.get = hashGet;\n    Hash.prototype.has = hashHas;\n    Hash.prototype.set = hashSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an list cache object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function ListCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the list cache.\n     *\n     * @private\n     * @name clear\n     * @memberOf ListCache\n     */\n    function listCacheClear() {\n      this.__data__ = [];\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the list cache.\n     *\n     * @private\n     * @name delete\n     * @memberOf ListCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function listCacheDelete(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        return false;\n      }\n      var lastIndex = data.length - 1;\n      if (index == lastIndex) {\n        data.pop();\n      } else {\n        splice.call(data, index, 1);\n      }\n      --this.size;\n      return true;\n    }\n\n    /**\n     * Gets the list cache value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf ListCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function listCacheGet(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      return index < 0 ? undefined : data[index][1];\n    }\n\n    /**\n     * Checks if a list cache value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf ListCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function listCacheHas(key) {\n      return assocIndexOf(this.__data__, key) > -1;\n    }\n\n    /**\n     * Sets the list cache `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf ListCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the list cache instance.\n     */\n    function listCacheSet(key, value) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        ++this.size;\n        data.push([key, value]);\n      } else {\n        data[index][1] = value;\n      }\n      return this;\n    }\n\n    // Add methods to `ListCache`.\n    ListCache.prototype.clear = listCacheClear;\n    ListCache.prototype['delete'] = listCacheDelete;\n    ListCache.prototype.get = listCacheGet;\n    ListCache.prototype.has = listCacheHas;\n    ListCache.prototype.set = listCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a map cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function MapCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the map.\n     *\n     * @private\n     * @name clear\n     * @memberOf MapCache\n     */\n    function mapCacheClear() {\n      this.size = 0;\n      this.__data__ = {\n        'hash': new Hash,\n        'map': new (Map || ListCache),\n        'string': new Hash\n      };\n    }\n\n    /**\n     * Removes `key` and its value from the map.\n     *\n     * @private\n     * @name delete\n     * @memberOf MapCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function mapCacheDelete(key) {\n      var result = getMapData(this, key)['delete'](key);\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the map value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf MapCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function mapCacheGet(key) {\n      return getMapData(this, key).get(key);\n    }\n\n    /**\n     * Checks if a map value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf MapCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function mapCacheHas(key) {\n      return getMapData(this, key).has(key);\n    }\n\n    /**\n     * Sets the map `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf MapCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the map cache instance.\n     */\n    function mapCacheSet(key, value) {\n      var data = getMapData(this, key),\n          size = data.size;\n\n      data.set(key, value);\n      this.size += data.size == size ? 0 : 1;\n      return this;\n    }\n\n    // Add methods to `MapCache`.\n    MapCache.prototype.clear = mapCacheClear;\n    MapCache.prototype['delete'] = mapCacheDelete;\n    MapCache.prototype.get = mapCacheGet;\n    MapCache.prototype.has = mapCacheHas;\n    MapCache.prototype.set = mapCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     *\n     * Creates an array cache object to store unique values.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [values] The values to cache.\n     */\n    function SetCache(values) {\n      var index = -1,\n          length = values == null ? 0 : values.length;\n\n      this.__data__ = new MapCache;\n      while (++index < length) {\n        this.add(values[index]);\n      }\n    }\n\n    /**\n     * Adds `value` to the array cache.\n     *\n     * @private\n     * @name add\n     * @memberOf SetCache\n     * @alias push\n     * @param {*} value The value to cache.\n     * @returns {Object} Returns the cache instance.\n     */\n    function setCacheAdd(value) {\n      this.__data__.set(value, HASH_UNDEFINED);\n      return this;\n    }\n\n    /**\n     * Checks if `value` is in the array cache.\n     *\n     * @private\n     * @name has\n     * @memberOf SetCache\n     * @param {*} value The value to search for.\n     * @returns {number} Returns `true` if `value` is found, else `false`.\n     */\n    function setCacheHas(value) {\n      return this.__data__.has(value);\n    }\n\n    // Add methods to `SetCache`.\n    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n    SetCache.prototype.has = setCacheHas;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a stack cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Stack(entries) {\n      var data = this.__data__ = new ListCache(entries);\n      this.size = data.size;\n    }\n\n    /**\n     * Removes all key-value entries from the stack.\n     *\n     * @private\n     * @name clear\n     * @memberOf Stack\n     */\n    function stackClear() {\n      this.__data__ = new ListCache;\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the stack.\n     *\n     * @private\n     * @name delete\n     * @memberOf Stack\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function stackDelete(key) {\n      var data = this.__data__,\n          result = data['delete'](key);\n\n      this.size = data.size;\n      return result;\n    }\n\n    /**\n     * Gets the stack value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Stack\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function stackGet(key) {\n      return this.__data__.get(key);\n    }\n\n    /**\n     * Checks if a stack value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Stack\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function stackHas(key) {\n      return this.__data__.has(key);\n    }\n\n    /**\n     * Sets the stack `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Stack\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the stack cache instance.\n     */\n    function stackSet(key, value) {\n      var data = this.__data__;\n      if (data instanceof ListCache) {\n        var pairs = data.__data__;\n        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n          pairs.push([key, value]);\n          this.size = ++data.size;\n          return this;\n        }\n        data = this.__data__ = new MapCache(pairs);\n      }\n      data.set(key, value);\n      this.size = data.size;\n      return this;\n    }\n\n    // Add methods to `Stack`.\n    Stack.prototype.clear = stackClear;\n    Stack.prototype['delete'] = stackDelete;\n    Stack.prototype.get = stackGet;\n    Stack.prototype.has = stackHas;\n    Stack.prototype.set = stackSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of the enumerable property names of the array-like `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @param {boolean} inherited Specify returning inherited property names.\n     * @returns {Array} Returns the array of property names.\n     */\n    function arrayLikeKeys(value, inherited) {\n      var isArr = isArray(value),\n          isArg = !isArr && isArguments(value),\n          isBuff = !isArr && !isArg && isBuffer(value),\n          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n          skipIndexes = isArr || isArg || isBuff || isType,\n          result = skipIndexes ? baseTimes(value.length, String) : [],\n          length = result.length;\n\n      for (var key in value) {\n        if ((inherited || hasOwnProperty.call(value, key)) &&\n            !(skipIndexes && (\n               // Safari 9 has enumerable `arguments.length` in strict mode.\n               key == 'length' ||\n               // Node.js 0.10 has enumerable non-index properties on buffers.\n               (isBuff && (key == 'offset' || key == 'parent')) ||\n               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n               // Skip index properties.\n               isIndex(key, length)\n            ))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `_.sample` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @returns {*} Returns the random element.\n     */\n    function arraySample(array) {\n      var length = array.length;\n      return length ? array[baseRandom(0, length - 1)] : undefined;\n    }\n\n    /**\n     * A specialized version of `_.sampleSize` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function arraySampleSize(array, n) {\n      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * A specialized version of `_.shuffle` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function arrayShuffle(array) {\n      return shuffleSelf(copyArray(array));\n    }\n\n    /**\n     * This function is like `assignValue` except that it doesn't assign\n     * `undefined` values.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignMergeValue(object, key, value) {\n      if ((value !== undefined && !eq(object[key], value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignValue(object, key, value) {\n      var objValue = object[key];\n      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Gets the index at which the `key` is found in `array` of key-value pairs.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {*} key The key to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     */\n    function assocIndexOf(array, key) {\n      var length = array.length;\n      while (length--) {\n        if (eq(array[length][0], key)) {\n          return length;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * Aggregates elements of `collection` on `accumulator` with keys transformed\n     * by `iteratee` and values set by `setter`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform keys.\n     * @param {Object} accumulator The initial aggregated object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseAggregator(collection, setter, iteratee, accumulator) {\n      baseEach(collection, function(value, key, collection) {\n        setter(accumulator, value, iteratee(value), collection);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.assign` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssign(object, source) {\n      return object && copyObject(source, keys(source), object);\n    }\n\n    /**\n     * The base implementation of `_.assignIn` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssignIn(object, source) {\n      return object && copyObject(source, keysIn(source), object);\n    }\n\n    /**\n     * The base implementation of `assignValue` and `assignMergeValue` without\n     * value checks.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function baseAssignValue(object, key, value) {\n      if (key == '__proto__' && defineProperty) {\n        defineProperty(object, key, {\n          'configurable': true,\n          'enumerable': true,\n          'value': value,\n          'writable': true\n        });\n      } else {\n        object[key] = value;\n      }\n    }\n\n    /**\n     * The base implementation of `_.at` without support for individual paths.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Array} Returns the picked elements.\n     */\n    function baseAt(object, paths) {\n      var index = -1,\n          length = paths.length,\n          result = Array(length),\n          skip = object == null;\n\n      while (++index < length) {\n        result[index] = skip ? undefined : get(object, paths[index]);\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.clamp` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     */\n    function baseClamp(number, lower, upper) {\n      if (number === number) {\n        if (upper !== undefined) {\n          number = number <= upper ? number : upper;\n        }\n        if (lower !== undefined) {\n          number = number >= lower ? number : lower;\n        }\n      }\n      return number;\n    }\n\n    /**\n     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n     * traversed objects.\n     *\n     * @private\n     * @param {*} value The value to clone.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Deep clone\n     *  2 - Flatten inherited properties\n     *  4 - Clone symbols\n     * @param {Function} [customizer] The function to customize cloning.\n     * @param {string} [key] The key of `value`.\n     * @param {Object} [object] The parent object of `value`.\n     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n     * @returns {*} Returns the cloned value.\n     */\n    function baseClone(value, bitmask, customizer, key, object, stack) {\n      var result,\n          isDeep = bitmask & CLONE_DEEP_FLAG,\n          isFlat = bitmask & CLONE_FLAT_FLAG,\n          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n      if (customizer) {\n        result = object ? customizer(value, key, object, stack) : customizer(value);\n      }\n      if (result !== undefined) {\n        return result;\n      }\n      if (!isObject(value)) {\n        return value;\n      }\n      var isArr = isArray(value);\n      if (isArr) {\n        result = initCloneArray(value);\n        if (!isDeep) {\n          return copyArray(value, result);\n        }\n      } else {\n        var tag = getTag(value),\n            isFunc = tag == funcTag || tag == genTag;\n\n        if (isBuffer(value)) {\n          return cloneBuffer(value, isDeep);\n        }\n        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n          if (!isDeep) {\n            return isFlat\n              ? copySymbolsIn(value, baseAssignIn(result, value))\n              : copySymbols(value, baseAssign(result, value));\n          }\n        } else {\n          if (!cloneableTags[tag]) {\n            return object ? value : {};\n          }\n          result = initCloneByTag(value, tag, baseClone, isDeep);\n        }\n      }\n      // Check for circular references and return its corresponding clone.\n      stack || (stack = new Stack);\n      var stacked = stack.get(value);\n      if (stacked) {\n        return stacked;\n      }\n      stack.set(value, result);\n\n      var keysFunc = isFull\n        ? (isFlat ? getAllKeysIn : getAllKeys)\n        : (isFlat ? keysIn : keys);\n\n      var props = isArr ? undefined : keysFunc(value);\n      arrayEach(props || value, function(subValue, key) {\n        if (props) {\n          key = subValue;\n          subValue = value[key];\n        }\n        // Recursively populate clone (susceptible to call stack limits).\n        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.conforms` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseConforms(source) {\n      var props = keys(source);\n      return function(object) {\n        return baseConformsTo(object, source, props);\n      };\n    }\n\n    /**\n     * The base implementation of `_.conformsTo` which accepts `props` to check.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     */\n    function baseConformsTo(object, source, props) {\n      var length = props.length;\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (length--) {\n        var key = props[length],\n            predicate = source[key],\n            value = object[key];\n\n        if ((value === undefined && !(key in object)) || !predicate(value)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n     * to provide to `func`.\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {Array} args The arguments to provide to `func`.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    function baseDelay(func, wait, args) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return setTimeout(function() { func.apply(undefined, args); }, wait);\n    }\n\n    /**\n     * The base implementation of methods like `_.difference` without support\n     * for excluding multiple arrays or iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Array} values The values to exclude.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     */\n    function baseDifference(array, values, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          isCommon = true,\n          length = array.length,\n          result = [],\n          valuesLength = values.length;\n\n      if (!length) {\n        return result;\n      }\n      if (iteratee) {\n        values = arrayMap(values, baseUnary(iteratee));\n      }\n      if (comparator) {\n        includes = arrayIncludesWith;\n        isCommon = false;\n      }\n      else if (values.length >= LARGE_ARRAY_SIZE) {\n        includes = cacheHas;\n        isCommon = false;\n        values = new SetCache(values);\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee == null ? value : iteratee(value);\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var valuesIndex = valuesLength;\n          while (valuesIndex--) {\n            if (values[valuesIndex] === computed) {\n              continue outer;\n            }\n          }\n          result.push(value);\n        }\n        else if (!includes(values, computed, comparator)) {\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.forEach` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEach = createBaseEach(baseForOwn);\n\n    /**\n     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n    /**\n     * The base implementation of `_.every` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`\n     */\n    function baseEvery(collection, predicate) {\n      var result = true;\n      baseEach(collection, function(value, index, collection) {\n        result = !!predicate(value, index, collection);\n        return result;\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of methods like `_.max` and `_.min` which accepts a\n     * `comparator` to determine the extremum value.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The iteratee invoked per iteration.\n     * @param {Function} comparator The comparator used to compare values.\n     * @returns {*} Returns the extremum value.\n     */\n    function baseExtremum(array, iteratee, comparator) {\n      var index = -1,\n          length = array.length;\n\n      while (++index < length) {\n        var value = array[index],\n            current = iteratee(value);\n\n        if (current != null && (computed === undefined\n              ? (current === current && !isSymbol(current))\n              : comparator(current, computed)\n            )) {\n          var computed = current,\n              result = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.fill` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     */\n    function baseFill(array, value, start, end) {\n      var length = array.length;\n\n      start = toInteger(start);\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = (end === undefined || end > length) ? length : toInteger(end);\n      if (end < 0) {\n        end += length;\n      }\n      end = start > end ? 0 : toLength(end);\n      while (start < end) {\n        array[start++] = value;\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.filter` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     */\n    function baseFilter(collection, predicate) {\n      var result = [];\n      baseEach(collection, function(value, index, collection) {\n        if (predicate(value, index, collection)) {\n          result.push(value);\n        }\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.flatten` with support for restricting flattening.\n     *\n     * @private\n     * @param {Array} array The array to flatten.\n     * @param {number} depth The maximum recursion depth.\n     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n     * @param {Array} [result=[]] The initial result value.\n     * @returns {Array} Returns the new flattened array.\n     */\n    function baseFlatten(array, depth, predicate, isStrict, result) {\n      var index = -1,\n          length = array.length;\n\n      predicate || (predicate = isFlattenable);\n      result || (result = []);\n\n      while (++index < length) {\n        var value = array[index];\n        if (depth > 0 && predicate(value)) {\n          if (depth > 1) {\n            // Recursively flatten arrays (susceptible to call stack limits).\n            baseFlatten(value, depth - 1, predicate, isStrict, result);\n          } else {\n            arrayPush(result, value);\n          }\n        } else if (!isStrict) {\n          result[result.length] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `baseForOwn` which iterates over `object`\n     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseFor = createBaseFor();\n\n    /**\n     * This function is like `baseFor` except that it iterates over properties\n     * in the opposite order.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseForRight = createBaseFor(true);\n\n    /**\n     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwn(object, iteratee) {\n      return object && baseFor(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwnRight(object, iteratee) {\n      return object && baseForRight(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.functions` which creates an array of\n     * `object` function property names filtered from `props`.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Array} props The property names to filter.\n     * @returns {Array} Returns the function names.\n     */\n    function baseFunctions(object, props) {\n      return arrayFilter(props, function(key) {\n        return isFunction(object[key]);\n      });\n    }\n\n    /**\n     * The base implementation of `_.get` without support for default values.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseGet(object, path) {\n      path = castPath(path, object);\n\n      var index = 0,\n          length = path.length;\n\n      while (object != null && index < length) {\n        object = object[toKey(path[index++])];\n      }\n      return (index && index == length) ? object : undefined;\n    }\n\n    /**\n     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n      var result = keysFunc(object);\n      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n    }\n\n    /**\n     * The base implementation of `getTag` without fallbacks for buggy environments.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    function baseGetTag(value) {\n      if (value == null) {\n        return value === undefined ? undefinedTag : nullTag;\n      }\n      return (symToStringTag && symToStringTag in Object(value))\n        ? getRawTag(value)\n        : objectToString(value);\n    }\n\n    /**\n     * The base implementation of `_.gt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     */\n    function baseGt(value, other) {\n      return value > other;\n    }\n\n    /**\n     * The base implementation of `_.has` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHas(object, key) {\n      return object != null && hasOwnProperty.call(object, key);\n    }\n\n    /**\n     * The base implementation of `_.hasIn` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHasIn(object, key) {\n      return object != null && key in Object(object);\n    }\n\n    /**\n     * The base implementation of `_.inRange` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to check.\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     */\n    function baseInRange(number, start, end) {\n      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n    }\n\n    /**\n     * The base implementation of methods like `_.intersection`, without support\n     * for iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of shared values.\n     */\n    function baseIntersection(arrays, iteratee, comparator) {\n      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n          length = arrays[0].length,\n          othLength = arrays.length,\n          othIndex = othLength,\n          caches = Array(othLength),\n          maxLength = Infinity,\n          result = [];\n\n      while (othIndex--) {\n        var array = arrays[othIndex];\n        if (othIndex && iteratee) {\n          array = arrayMap(array, baseUnary(iteratee));\n        }\n        maxLength = nativeMin(array.length, maxLength);\n        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n          ? new SetCache(othIndex && array)\n          : undefined;\n      }\n      array = arrays[0];\n\n      var index = -1,\n          seen = caches[0];\n\n      outer:\n      while (++index < length && result.length < maxLength) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (!(seen\n              ? cacheHas(seen, computed)\n              : includes(result, computed, comparator)\n            )) {\n          othIndex = othLength;\n          while (--othIndex) {\n            var cache = caches[othIndex];\n            if (!(cache\n                  ? cacheHas(cache, computed)\n                  : includes(arrays[othIndex], computed, comparator))\n                ) {\n              continue outer;\n            }\n          }\n          if (seen) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.invert` and `_.invertBy` which inverts\n     * `object` with values transformed by `iteratee` and set by `setter`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform values.\n     * @param {Object} accumulator The initial inverted object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseInverter(object, setter, iteratee, accumulator) {\n      baseForOwn(object, function(value, key, object) {\n        setter(accumulator, iteratee(value), key, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.invoke` without support for individual\n     * method arguments.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {Array} args The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     */\n    function baseInvoke(object, path, args) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      var func = object == null ? object : object[toKey(last(path))];\n      return func == null ? undefined : apply(func, object, args);\n    }\n\n    /**\n     * The base implementation of `_.isArguments`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     */\n    function baseIsArguments(value) {\n      return isObjectLike(value) && baseGetTag(value) == argsTag;\n    }\n\n    /**\n     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     */\n    function baseIsArrayBuffer(value) {\n      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n    }\n\n    /**\n     * The base implementation of `_.isDate` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     */\n    function baseIsDate(value) {\n      return isObjectLike(value) && baseGetTag(value) == dateTag;\n    }\n\n    /**\n     * The base implementation of `_.isEqual` which supports partial comparisons\n     * and tracks traversed objects.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Unordered comparison\n     *  2 - Partial comparison\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     */\n    function baseIsEqual(value, other, bitmask, customizer, stack) {\n      if (value === other) {\n        return true;\n      }\n      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n        return value !== value && other !== other;\n      }\n      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n    }\n\n    /**\n     * A specialized version of `baseIsEqual` for arrays and objects which performs\n     * deep comparisons and tracks traversed objects enabling objects with circular\n     * references to be compared.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n      var objIsArr = isArray(object),\n          othIsArr = isArray(other),\n          objTag = objIsArr ? arrayTag : getTag(object),\n          othTag = othIsArr ? arrayTag : getTag(other);\n\n      objTag = objTag == argsTag ? objectTag : objTag;\n      othTag = othTag == argsTag ? objectTag : othTag;\n\n      var objIsObj = objTag == objectTag,\n          othIsObj = othTag == objectTag,\n          isSameTag = objTag == othTag;\n\n      if (isSameTag && isBuffer(object)) {\n        if (!isBuffer(other)) {\n          return false;\n        }\n        objIsArr = true;\n        objIsObj = false;\n      }\n      if (isSameTag && !objIsObj) {\n        stack || (stack = new Stack);\n        return (objIsArr || isTypedArray(object))\n          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n      }\n      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n        if (objIsWrapped || othIsWrapped) {\n          var objUnwrapped = objIsWrapped ? object.value() : object,\n              othUnwrapped = othIsWrapped ? other.value() : other;\n\n          stack || (stack = new Stack);\n          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n        }\n      }\n      if (!isSameTag) {\n        return false;\n      }\n      stack || (stack = new Stack);\n      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n    }\n\n    /**\n     * The base implementation of `_.isMap` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     */\n    function baseIsMap(value) {\n      return isObjectLike(value) && getTag(value) == mapTag;\n    }\n\n    /**\n     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Array} matchData The property names, values, and compare flags to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     */\n    function baseIsMatch(object, source, matchData, customizer) {\n      var index = matchData.length,\n          length = index,\n          noCustomizer = !customizer;\n\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (index--) {\n        var data = matchData[index];\n        if ((noCustomizer && data[2])\n              ? data[1] !== object[data[0]]\n              : !(data[0] in object)\n            ) {\n          return false;\n        }\n      }\n      while (++index < length) {\n        data = matchData[index];\n        var key = data[0],\n            objValue = object[key],\n            srcValue = data[1];\n\n        if (noCustomizer && data[2]) {\n          if (objValue === undefined && !(key in object)) {\n            return false;\n          }\n        } else {\n          var stack = new Stack;\n          if (customizer) {\n            var result = customizer(objValue, srcValue, key, object, source, stack);\n          }\n          if (!(result === undefined\n                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n                : result\n              )) {\n            return false;\n          }\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.isNative` without bad shim checks.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     */\n    function baseIsNative(value) {\n      if (!isObject(value) || isMasked(value)) {\n        return false;\n      }\n      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n      return pattern.test(toSource(value));\n    }\n\n    /**\n     * The base implementation of `_.isRegExp` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     */\n    function baseIsRegExp(value) {\n      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n    }\n\n    /**\n     * The base implementation of `_.isSet` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     */\n    function baseIsSet(value) {\n      return isObjectLike(value) && getTag(value) == setTag;\n    }\n\n    /**\n     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     */\n    function baseIsTypedArray(value) {\n      return isObjectLike(value) &&\n        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n    }\n\n    /**\n     * The base implementation of `_.iteratee`.\n     *\n     * @private\n     * @param {*} [value=_.identity] The value to convert to an iteratee.\n     * @returns {Function} Returns the iteratee.\n     */\n    function baseIteratee(value) {\n      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n      if (typeof value == 'function') {\n        return value;\n      }\n      if (value == null) {\n        return identity;\n      }\n      if (typeof value == 'object') {\n        return isArray(value)\n          ? baseMatchesProperty(value[0], value[1])\n          : baseMatches(value);\n      }\n      return property(value);\n    }\n\n    /**\n     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeys(object) {\n      if (!isPrototype(object)) {\n        return nativeKeys(object);\n      }\n      var result = [];\n      for (var key in Object(object)) {\n        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeysIn(object) {\n      if (!isObject(object)) {\n        return nativeKeysIn(object);\n      }\n      var isProto = isPrototype(object),\n          result = [];\n\n      for (var key in object) {\n        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.lt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     */\n    function baseLt(value, other) {\n      return value < other;\n    }\n\n    /**\n     * The base implementation of `_.map` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     */\n    function baseMap(collection, iteratee) {\n      var index = -1,\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value, key, collection) {\n        result[++index] = iteratee(value, key, collection);\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.matches` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatches(source) {\n      var matchData = getMatchData(source);\n      if (matchData.length == 1 && matchData[0][2]) {\n        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n      }\n      return function(object) {\n        return object === source || baseIsMatch(object, source, matchData);\n      };\n    }\n\n    /**\n     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n     *\n     * @private\n     * @param {string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatchesProperty(path, srcValue) {\n      if (isKey(path) && isStrictComparable(srcValue)) {\n        return matchesStrictComparable(toKey(path), srcValue);\n      }\n      return function(object) {\n        var objValue = get(object, path);\n        return (objValue === undefined && objValue === srcValue)\n          ? hasIn(object, path)\n          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n      };\n    }\n\n    /**\n     * The base implementation of `_.merge` without support for multiple sources.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} [customizer] The function to customize merged values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMerge(object, source, srcIndex, customizer, stack) {\n      if (object === source) {\n        return;\n      }\n      baseFor(source, function(srcValue, key) {\n        if (isObject(srcValue)) {\n          stack || (stack = new Stack);\n          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n        }\n        else {\n          var newValue = customizer\n            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n            : undefined;\n\n          if (newValue === undefined) {\n            newValue = srcValue;\n          }\n          assignMergeValue(object, key, newValue);\n        }\n      }, keysIn);\n    }\n\n    /**\n     * A specialized version of `baseMerge` for arrays and objects which performs\n     * deep merges and tracks traversed objects enabling objects with circular\n     * references to be merged.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {string} key The key of the value to merge.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} mergeFunc The function to merge values.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n      var objValue = object[key],\n          srcValue = source[key],\n          stacked = stack.get(srcValue);\n\n      if (stacked) {\n        assignMergeValue(object, key, stacked);\n        return;\n      }\n      var newValue = customizer\n        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n        : undefined;\n\n      var isCommon = newValue === undefined;\n\n      if (isCommon) {\n        var isArr = isArray(srcValue),\n            isBuff = !isArr && isBuffer(srcValue),\n            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n        newValue = srcValue;\n        if (isArr || isBuff || isTyped) {\n          if (isArray(objValue)) {\n            newValue = objValue;\n          }\n          else if (isArrayLikeObject(objValue)) {\n            newValue = copyArray(objValue);\n          }\n          else if (isBuff) {\n            isCommon = false;\n            newValue = cloneBuffer(srcValue, true);\n          }\n          else if (isTyped) {\n            isCommon = false;\n            newValue = cloneTypedArray(srcValue, true);\n          }\n          else {\n            newValue = [];\n          }\n        }\n        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n          newValue = objValue;\n          if (isArguments(objValue)) {\n            newValue = toPlainObject(objValue);\n          }\n          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n            newValue = initCloneObject(srcValue);\n          }\n        }\n        else {\n          isCommon = false;\n        }\n      }\n      if (isCommon) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, newValue);\n        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n        stack['delete'](srcValue);\n      }\n      assignMergeValue(object, key, newValue);\n    }\n\n    /**\n     * The base implementation of `_.nth` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {number} n The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     */\n    function baseNth(array, n) {\n      var length = array.length;\n      if (!length) {\n        return;\n      }\n      n += n < 0 ? length : 0;\n      return isIndex(n, length) ? array[n] : undefined;\n    }\n\n    /**\n     * The base implementation of `_.orderBy` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n     * @param {string[]} orders The sort orders of `iteratees`.\n     * @returns {Array} Returns the new sorted array.\n     */\n    function baseOrderBy(collection, iteratees, orders) {\n      var index = -1;\n      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\n      var result = baseMap(collection, function(value, key, collection) {\n        var criteria = arrayMap(iteratees, function(iteratee) {\n          return iteratee(value);\n        });\n        return { 'criteria': criteria, 'index': ++index, 'value': value };\n      });\n\n      return baseSortBy(result, function(object, other) {\n        return compareMultiple(object, other, orders);\n      });\n    }\n\n    /**\n     * The base implementation of `_.pick` without support for individual\n     * property identifiers.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Object} Returns the new object.\n     */\n    function basePick(object, paths) {\n      return basePickBy(object, paths, function(value, path) {\n        return hasIn(object, path);\n      });\n    }\n\n    /**\n     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @param {Function} predicate The function invoked per property.\n     * @returns {Object} Returns the new object.\n     */\n    function basePickBy(object, paths, predicate) {\n      var index = -1,\n          length = paths.length,\n          result = {};\n\n      while (++index < length) {\n        var path = paths[index],\n            value = baseGet(object, path);\n\n        if (predicate(value, path)) {\n          baseSet(result, castPath(path, object), value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseProperty` which supports deep paths.\n     *\n     * @private\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     */\n    function basePropertyDeep(path) {\n      return function(object) {\n        return baseGet(object, path);\n      };\n    }\n\n    /**\n     * The base implementation of `_.pullAllBy` without support for iteratee\n     * shorthands.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAll(array, values, iteratee, comparator) {\n      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n          index = -1,\n          length = values.length,\n          seen = array;\n\n      if (array === values) {\n        values = copyArray(values);\n      }\n      if (iteratee) {\n        seen = arrayMap(array, baseUnary(iteratee));\n      }\n      while (++index < length) {\n        var fromIndex = 0,\n            value = values[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n          if (seen !== array) {\n            splice.call(seen, fromIndex, 1);\n          }\n          splice.call(array, fromIndex, 1);\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.pullAt` without support for individual\n     * indexes or capturing the removed elements.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {number[]} indexes The indexes of elements to remove.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAt(array, indexes) {\n      var length = array ? indexes.length : 0,\n          lastIndex = length - 1;\n\n      while (length--) {\n        var index = indexes[length];\n        if (length == lastIndex || index !== previous) {\n          var previous = index;\n          if (isIndex(index)) {\n            splice.call(array, index, 1);\n          } else {\n            baseUnset(array, index);\n          }\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.random` without support for returning\n     * floating-point numbers.\n     *\n     * @private\n     * @param {number} lower The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the random number.\n     */\n    function baseRandom(lower, upper) {\n      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n    }\n\n    /**\n     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n     * coerce arguments.\n     *\n     * @private\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} step The value to increment or decrement by.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the range of numbers.\n     */\n    function baseRange(start, end, step, fromRight) {\n      var index = -1,\n          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n          result = Array(length);\n\n      while (length--) {\n        result[fromRight ? length : ++index] = start;\n        start += step;\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.repeat` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {string} string The string to repeat.\n     * @param {number} n The number of times to repeat the string.\n     * @returns {string} Returns the repeated string.\n     */\n    function baseRepeat(string, n) {\n      var result = '';\n      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n        return result;\n      }\n      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n      do {\n        if (n % 2) {\n          result += string;\n        }\n        n = nativeFloor(n / 2);\n        if (n) {\n          string += string;\n        }\n      } while (n);\n\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     */\n    function baseRest(func, start) {\n      return setToString(overRest(func, start, identity), func + '');\n    }\n\n    /**\n     * The base implementation of `_.sample`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     */\n    function baseSample(collection) {\n      return arraySample(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.sampleSize` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function baseSampleSize(collection, n) {\n      var array = values(collection);\n      return shuffleSelf(array, baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * The base implementation of `_.set`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseSet(object, path, value, customizer) {\n      if (!isObject(object)) {\n        return object;\n      }\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          lastIndex = length - 1,\n          nested = object;\n\n      while (nested != null && ++index < length) {\n        var key = toKey(path[index]),\n            newValue = value;\n\n        if (index != lastIndex) {\n          var objValue = nested[key];\n          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n          if (newValue === undefined) {\n            newValue = isObject(objValue)\n              ? objValue\n              : (isIndex(path[index + 1]) ? [] : {});\n          }\n        }\n        assignValue(nested, key, newValue);\n        nested = nested[key];\n      }\n      return object;\n    }\n\n    /**\n     * The base implementation of `setData` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetData = !metaMap ? identity : function(func, data) {\n      metaMap.set(func, data);\n      return func;\n    };\n\n    /**\n     * The base implementation of `setToString` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetToString = !defineProperty ? identity : function(func, string) {\n      return defineProperty(func, 'toString', {\n        'configurable': true,\n        'enumerable': false,\n        'value': constant(string),\n        'writable': true\n      });\n    };\n\n    /**\n     * The base implementation of `_.shuffle`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function baseShuffle(collection) {\n      return shuffleSelf(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.slice` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseSlice(array, start, end) {\n      var index = -1,\n          length = array.length;\n\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = end > length ? length : end;\n      if (end < 0) {\n        end += length;\n      }\n      length = start > end ? 0 : ((end - start) >>> 0);\n      start >>>= 0;\n\n      var result = Array(length);\n      while (++index < length) {\n        result[index] = array[index + start];\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.some` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     */\n    function baseSome(collection, predicate) {\n      var result;\n\n      baseEach(collection, function(value, index, collection) {\n        result = predicate(value, index, collection);\n        return !result;\n      });\n      return !!result;\n    }\n\n    /**\n     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n     * performs a binary search of `array` to determine the index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndex(array, value, retHighest) {\n      var low = 0,\n          high = array == null ? low : array.length;\n\n      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n        while (low < high) {\n          var mid = (low + high) >>> 1,\n              computed = array[mid];\n\n          if (computed !== null && !isSymbol(computed) &&\n              (retHighest ? (computed <= value) : (computed < value))) {\n            low = mid + 1;\n          } else {\n            high = mid;\n          }\n        }\n        return high;\n      }\n      return baseSortedIndexBy(array, value, identity, retHighest);\n    }\n\n    /**\n     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n     * which invokes `iteratee` for `value` and each element of `array` to compute\n     * their sort ranking. The iteratee is invoked with one argument; (value).\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} iteratee The iteratee invoked per element.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n      value = iteratee(value);\n\n      var low = 0,\n          high = array == null ? 0 : array.length,\n          valIsNaN = value !== value,\n          valIsNull = value === null,\n          valIsSymbol = isSymbol(value),\n          valIsUndefined = value === undefined;\n\n      while (low < high) {\n        var mid = nativeFloor((low + high) / 2),\n            computed = iteratee(array[mid]),\n            othIsDefined = computed !== undefined,\n            othIsNull = computed === null,\n            othIsReflexive = computed === computed,\n            othIsSymbol = isSymbol(computed);\n\n        if (valIsNaN) {\n          var setLow = retHighest || othIsReflexive;\n        } else if (valIsUndefined) {\n          setLow = othIsReflexive && (retHighest || othIsDefined);\n        } else if (valIsNull) {\n          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n        } else if (valIsSymbol) {\n          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n        } else if (othIsNull || othIsSymbol) {\n          setLow = false;\n        } else {\n          setLow = retHighest ? (computed <= value) : (computed < value);\n        }\n        if (setLow) {\n          low = mid + 1;\n        } else {\n          high = mid;\n        }\n      }\n      return nativeMin(high, MAX_ARRAY_INDEX);\n    }\n\n    /**\n     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n     * support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseSortedUniq(array, iteratee) {\n      var index = -1,\n          length = array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        if (!index || !eq(computed, seen)) {\n          var seen = computed;\n          result[resIndex++] = value === 0 ? 0 : value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.toNumber` which doesn't ensure correct\n     * conversions of binary, hexadecimal, or octal string values.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     */\n    function baseToNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      return +value;\n    }\n\n    /**\n     * The base implementation of `_.toString` which doesn't convert nullish\n     * values to empty strings.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {string} Returns the string.\n     */\n    function baseToString(value) {\n      // Exit early for strings to avoid a performance hit in some environments.\n      if (typeof value == 'string') {\n        return value;\n      }\n      if (isArray(value)) {\n        // Recursively convert values (susceptible to call stack limits).\n        return arrayMap(value, baseToString) + '';\n      }\n      if (isSymbol(value)) {\n        return symbolToString ? symbolToString.call(value) : '';\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseUniq(array, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          length = array.length,\n          isCommon = true,\n          result = [],\n          seen = result;\n\n      if (comparator) {\n        isCommon = false;\n        includes = arrayIncludesWith;\n      }\n      else if (length >= LARGE_ARRAY_SIZE) {\n        var set = iteratee ? null : createSet(array);\n        if (set) {\n          return setToArray(set);\n        }\n        isCommon = false;\n        includes = cacheHas;\n        seen = new SetCache;\n      }\n      else {\n        seen = iteratee ? [] : result;\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var seenIndex = seen.length;\n          while (seenIndex--) {\n            if (seen[seenIndex] === computed) {\n              continue outer;\n            }\n          }\n          if (iteratee) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n        else if (!includes(seen, computed, comparator)) {\n          if (seen !== result) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.unset`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The property path to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     */\n    function baseUnset(object, path) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      return object == null || delete object[toKey(last(path))];\n    }\n\n    /**\n     * The base implementation of `_.update`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to update.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseUpdate(object, path, updater, customizer) {\n      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n    }\n\n    /**\n     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n     * without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {Function} predicate The function invoked per iteration.\n     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseWhile(array, predicate, isDrop, fromRight) {\n      var length = array.length,\n          index = fromRight ? length : -1;\n\n      while ((fromRight ? index-- : ++index < length) &&\n        predicate(array[index], index, array)) {}\n\n      return isDrop\n        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n    }\n\n    /**\n     * The base implementation of `wrapperValue` which returns the result of\n     * performing a sequence of actions on the unwrapped `value`, where each\n     * successive action is supplied the return value of the previous.\n     *\n     * @private\n     * @param {*} value The unwrapped value.\n     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseWrapperValue(value, actions) {\n      var result = value;\n      if (result instanceof LazyWrapper) {\n        result = result.value();\n      }\n      return arrayReduce(actions, function(result, action) {\n        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n      }, result);\n    }\n\n    /**\n     * The base implementation of methods like `_.xor`, without support for\n     * iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of values.\n     */\n    function baseXor(arrays, iteratee, comparator) {\n      var length = arrays.length;\n      if (length < 2) {\n        return length ? baseUniq(arrays[0]) : [];\n      }\n      var index = -1,\n          result = Array(length);\n\n      while (++index < length) {\n        var array = arrays[index],\n            othIndex = -1;\n\n        while (++othIndex < length) {\n          if (othIndex != index) {\n            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n          }\n        }\n      }\n      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n    }\n\n    /**\n     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n     *\n     * @private\n     * @param {Array} props The property identifiers.\n     * @param {Array} values The property values.\n     * @param {Function} assignFunc The function to assign values.\n     * @returns {Object} Returns the new object.\n     */\n    function baseZipObject(props, values, assignFunc) {\n      var index = -1,\n          length = props.length,\n          valsLength = values.length,\n          result = {};\n\n      while (++index < length) {\n        var value = index < valsLength ? values[index] : undefined;\n        assignFunc(result, props[index], value);\n      }\n      return result;\n    }\n\n    /**\n     * Casts `value` to an empty array if it's not an array like object.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Array|Object} Returns the cast array-like object.\n     */\n    function castArrayLikeObject(value) {\n      return isArrayLikeObject(value) ? value : [];\n    }\n\n    /**\n     * Casts `value` to `identity` if it's not a function.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Function} Returns cast function.\n     */\n    function castFunction(value) {\n      return typeof value == 'function' ? value : identity;\n    }\n\n    /**\n     * Casts `value` to a path array if it's not one.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {Array} Returns the cast property path array.\n     */\n    function castPath(value, object) {\n      if (isArray(value)) {\n        return value;\n      }\n      return isKey(value, object) ? [value] : stringToPath(toString(value));\n    }\n\n    /**\n     * A `baseRest` alias which can be replaced with `identity` by module\n     * replacement plugins.\n     *\n     * @private\n     * @type {Function}\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    var castRest = baseRest;\n\n    /**\n     * Casts `array` to a slice if it's needed.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {number} start The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the cast slice.\n     */\n    function castSlice(array, start, end) {\n      var length = array.length;\n      end = end === undefined ? length : end;\n      return (!start && end >= length) ? array : baseSlice(array, start, end);\n    }\n\n    /**\n     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n     *\n     * @private\n     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n     */\n    var clearTimeout = ctxClearTimeout || function(id) {\n      return root.clearTimeout(id);\n    };\n\n    /**\n     * Creates a clone of  `buffer`.\n     *\n     * @private\n     * @param {Buffer} buffer The buffer to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Buffer} Returns the cloned buffer.\n     */\n    function cloneBuffer(buffer, isDeep) {\n      if (isDeep) {\n        return buffer.slice();\n      }\n      var length = buffer.length,\n          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n      buffer.copy(result);\n      return result;\n    }\n\n    /**\n     * Creates a clone of `arrayBuffer`.\n     *\n     * @private\n     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n     * @returns {ArrayBuffer} Returns the cloned array buffer.\n     */\n    function cloneArrayBuffer(arrayBuffer) {\n      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n      return result;\n    }\n\n    /**\n     * Creates a clone of `dataView`.\n     *\n     * @private\n     * @param {Object} dataView The data view to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned data view.\n     */\n    function cloneDataView(dataView, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n    }\n\n    /**\n     * Creates a clone of `map`.\n     *\n     * @private\n     * @param {Object} map The map to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned map.\n     */\n    function cloneMap(map, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n      return arrayReduce(array, addMapEntry, new map.constructor);\n    }\n\n    /**\n     * Creates a clone of `regexp`.\n     *\n     * @private\n     * @param {Object} regexp The regexp to clone.\n     * @returns {Object} Returns the cloned regexp.\n     */\n    function cloneRegExp(regexp) {\n      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n      result.lastIndex = regexp.lastIndex;\n      return result;\n    }\n\n    /**\n     * Creates a clone of `set`.\n     *\n     * @private\n     * @param {Object} set The set to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned set.\n     */\n    function cloneSet(set, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n      return arrayReduce(array, addSetEntry, new set.constructor);\n    }\n\n    /**\n     * Creates a clone of the `symbol` object.\n     *\n     * @private\n     * @param {Object} symbol The symbol object to clone.\n     * @returns {Object} Returns the cloned symbol object.\n     */\n    function cloneSymbol(symbol) {\n      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n    }\n\n    /**\n     * Creates a clone of `typedArray`.\n     *\n     * @private\n     * @param {Object} typedArray The typed array to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned typed array.\n     */\n    function cloneTypedArray(typedArray, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n    }\n\n    /**\n     * Compares values to sort them in ascending order.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {number} Returns the sort order indicator for `value`.\n     */\n    function compareAscending(value, other) {\n      if (value !== other) {\n        var valIsDefined = value !== undefined,\n            valIsNull = value === null,\n            valIsReflexive = value === value,\n            valIsSymbol = isSymbol(value);\n\n        var othIsDefined = other !== undefined,\n            othIsNull = other === null,\n            othIsReflexive = other === other,\n            othIsSymbol = isSymbol(other);\n\n        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n            (valIsNull && othIsDefined && othIsReflexive) ||\n            (!valIsDefined && othIsReflexive) ||\n            !valIsReflexive) {\n          return 1;\n        }\n        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n            (othIsNull && valIsDefined && valIsReflexive) ||\n            (!othIsDefined && valIsReflexive) ||\n            !othIsReflexive) {\n          return -1;\n        }\n      }\n      return 0;\n    }\n\n    /**\n     * Used by `_.orderBy` to compare multiple properties of a value to another\n     * and stable sort them.\n     *\n     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n     * of corresponding values.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {boolean[]|string[]} orders The order to sort by for each property.\n     * @returns {number} Returns the sort order indicator for `object`.\n     */\n    function compareMultiple(object, other, orders) {\n      var index = -1,\n          objCriteria = object.criteria,\n          othCriteria = other.criteria,\n          length = objCriteria.length,\n          ordersLength = orders.length;\n\n      while (++index < length) {\n        var result = compareAscending(objCriteria[index], othCriteria[index]);\n        if (result) {\n          if (index >= ordersLength) {\n            return result;\n          }\n          var order = orders[index];\n          return result * (order == 'desc' ? -1 : 1);\n        }\n      }\n      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n      // that causes it, under certain circumstances, to provide the same value for\n      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n      // for more details.\n      //\n      // This also ensures a stable sort in V8 and other engines.\n      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n      return object.index - other.index;\n    }\n\n    /**\n     * Creates an array that is the composition of partially applied arguments,\n     * placeholders, and provided arguments into a single array of arguments.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to prepend to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgs(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersLength = holders.length,\n          leftIndex = -1,\n          leftLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(leftLength + rangeLength),\n          isUncurried = !isCurried;\n\n      while (++leftIndex < leftLength) {\n        result[leftIndex] = partials[leftIndex];\n      }\n      while (++argsIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[holders[argsIndex]] = args[argsIndex];\n        }\n      }\n      while (rangeLength--) {\n        result[leftIndex++] = args[argsIndex++];\n      }\n      return result;\n    }\n\n    /**\n     * This function is like `composeArgs` except that the arguments composition\n     * is tailored for `_.partialRight`.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to append to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgsRight(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersIndex = -1,\n          holdersLength = holders.length,\n          rightIndex = -1,\n          rightLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(rangeLength + rightLength),\n          isUncurried = !isCurried;\n\n      while (++argsIndex < rangeLength) {\n        result[argsIndex] = args[argsIndex];\n      }\n      var offset = argsIndex;\n      while (++rightIndex < rightLength) {\n        result[offset + rightIndex] = partials[rightIndex];\n      }\n      while (++holdersIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[offset + holders[holdersIndex]] = args[argsIndex++];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Copies the values of `source` to `array`.\n     *\n     * @private\n     * @param {Array} source The array to copy values from.\n     * @param {Array} [array=[]] The array to copy values to.\n     * @returns {Array} Returns `array`.\n     */\n    function copyArray(source, array) {\n      var index = -1,\n          length = source.length;\n\n      array || (array = Array(length));\n      while (++index < length) {\n        array[index] = source[index];\n      }\n      return array;\n    }\n\n    /**\n     * Copies properties of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy properties from.\n     * @param {Array} props The property identifiers to copy.\n     * @param {Object} [object={}] The object to copy properties to.\n     * @param {Function} [customizer] The function to customize copied values.\n     * @returns {Object} Returns `object`.\n     */\n    function copyObject(source, props, object, customizer) {\n      var isNew = !object;\n      object || (object = {});\n\n      var index = -1,\n          length = props.length;\n\n      while (++index < length) {\n        var key = props[index];\n\n        var newValue = customizer\n          ? customizer(object[key], source[key], key, object, source)\n          : undefined;\n\n        if (newValue === undefined) {\n          newValue = source[key];\n        }\n        if (isNew) {\n          baseAssignValue(object, key, newValue);\n        } else {\n          assignValue(object, key, newValue);\n        }\n      }\n      return object;\n    }\n\n    /**\n     * Copies own symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbols(source, object) {\n      return copyObject(source, getSymbols(source), object);\n    }\n\n    /**\n     * Copies own and inherited symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbolsIn(source, object) {\n      return copyObject(source, getSymbolsIn(source), object);\n    }\n\n    /**\n     * Creates a function like `_.groupBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} [initializer] The accumulator object initializer.\n     * @returns {Function} Returns the new aggregator function.\n     */\n    function createAggregator(setter, initializer) {\n      return function(collection, iteratee) {\n        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n            accumulator = initializer ? initializer() : {};\n\n        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n      };\n    }\n\n    /**\n     * Creates a function like `_.assign`.\n     *\n     * @private\n     * @param {Function} assigner The function to assign values.\n     * @returns {Function} Returns the new assigner function.\n     */\n    function createAssigner(assigner) {\n      return baseRest(function(object, sources) {\n        var index = -1,\n            length = sources.length,\n            customizer = length > 1 ? sources[length - 1] : undefined,\n            guard = length > 2 ? sources[2] : undefined;\n\n        customizer = (assigner.length > 3 && typeof customizer == 'function')\n          ? (length--, customizer)\n          : undefined;\n\n        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n          customizer = length < 3 ? undefined : customizer;\n          length = 1;\n        }\n        object = Object(object);\n        while (++index < length) {\n          var source = sources[index];\n          if (source) {\n            assigner(object, source, index, customizer);\n          }\n        }\n        return object;\n      });\n    }\n\n    /**\n     * Creates a `baseEach` or `baseEachRight` function.\n     *\n     * @private\n     * @param {Function} eachFunc The function to iterate over a collection.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseEach(eachFunc, fromRight) {\n      return function(collection, iteratee) {\n        if (collection == null) {\n          return collection;\n        }\n        if (!isArrayLike(collection)) {\n          return eachFunc(collection, iteratee);\n        }\n        var length = collection.length,\n            index = fromRight ? length : -1,\n            iterable = Object(collection);\n\n        while ((fromRight ? index-- : ++index < length)) {\n          if (iteratee(iterable[index], index, iterable) === false) {\n            break;\n          }\n        }\n        return collection;\n      };\n    }\n\n    /**\n     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseFor(fromRight) {\n      return function(object, iteratee, keysFunc) {\n        var index = -1,\n            iterable = Object(object),\n            props = keysFunc(object),\n            length = props.length;\n\n        while (length--) {\n          var key = props[fromRight ? length : ++index];\n          if (iteratee(iterable[key], key, iterable) === false) {\n            break;\n          }\n        }\n        return object;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the optional `this`\n     * binding of `thisArg`.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createBind(func, bitmask, thisArg) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return fn.apply(isBind ? thisArg : this, arguments);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.lowerFirst`.\n     *\n     * @private\n     * @param {string} methodName The name of the `String` case method to use.\n     * @returns {Function} Returns the new case function.\n     */\n    function createCaseFirst(methodName) {\n      return function(string) {\n        string = toString(string);\n\n        var strSymbols = hasUnicode(string)\n          ? stringToArray(string)\n          : undefined;\n\n        var chr = strSymbols\n          ? strSymbols[0]\n          : string.charAt(0);\n\n        var trailing = strSymbols\n          ? castSlice(strSymbols, 1).join('')\n          : string.slice(1);\n\n        return chr[methodName]() + trailing;\n      };\n    }\n\n    /**\n     * Creates a function like `_.camelCase`.\n     *\n     * @private\n     * @param {Function} callback The function to combine each word.\n     * @returns {Function} Returns the new compounder function.\n     */\n    function createCompounder(callback) {\n      return function(string) {\n        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n      };\n    }\n\n    /**\n     * Creates a function that produces an instance of `Ctor` regardless of\n     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n     *\n     * @private\n     * @param {Function} Ctor The constructor to wrap.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCtor(Ctor) {\n      return function() {\n        // Use a `switch` statement to work with class constructors. See\n        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n        // for more details.\n        var args = arguments;\n        switch (args.length) {\n          case 0: return new Ctor;\n          case 1: return new Ctor(args[0]);\n          case 2: return new Ctor(args[0], args[1]);\n          case 3: return new Ctor(args[0], args[1], args[2]);\n          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n        }\n        var thisBinding = baseCreate(Ctor.prototype),\n            result = Ctor.apply(thisBinding, args);\n\n        // Mimic the constructor's `return` behavior.\n        // See https://es5.github.io/#x13.2.2 for more details.\n        return isObject(result) ? result : thisBinding;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to enable currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {number} arity The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCurry(func, bitmask, arity) {\n      var Ctor = createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length,\n            placeholder = getHolder(wrapper);\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n          ? []\n          : replaceHolders(args, placeholder);\n\n        length -= holders.length;\n        if (length < arity) {\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n            args, holders, undefined, undefined, arity - length);\n        }\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return apply(fn, this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.find` or `_.findLast` function.\n     *\n     * @private\n     * @param {Function} findIndexFunc The function to find the collection index.\n     * @returns {Function} Returns the new find function.\n     */\n    function createFind(findIndexFunc) {\n      return function(collection, predicate, fromIndex) {\n        var iterable = Object(collection);\n        if (!isArrayLike(collection)) {\n          var iteratee = getIteratee(predicate, 3);\n          collection = keys(collection);\n          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n        }\n        var index = findIndexFunc(collection, predicate, fromIndex);\n        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n      };\n    }\n\n    /**\n     * Creates a `_.flow` or `_.flowRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new flow function.\n     */\n    function createFlow(fromRight) {\n      return flatRest(function(funcs) {\n        var length = funcs.length,\n            index = length,\n            prereq = LodashWrapper.prototype.thru;\n\n        if (fromRight) {\n          funcs.reverse();\n        }\n        while (index--) {\n          var func = funcs[index];\n          if (typeof func != 'function') {\n            throw new TypeError(FUNC_ERROR_TEXT);\n          }\n          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n            var wrapper = new LodashWrapper([], true);\n          }\n        }\n        index = wrapper ? index : length;\n        while (++index < length) {\n          func = funcs[index];\n\n          var funcName = getFuncName(func),\n              data = funcName == 'wrapper' ? getData(func) : undefined;\n\n          if (data && isLaziable(data[0]) &&\n                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n                !data[4].length && data[9] == 1\n              ) {\n            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n          } else {\n            wrapper = (func.length == 1 && isLaziable(func))\n              ? wrapper[funcName]()\n              : wrapper.thru(func);\n          }\n        }\n        return function() {\n          var args = arguments,\n              value = args[0];\n\n          if (wrapper && args.length == 1 && isArray(value)) {\n            return wrapper.plant(value).value();\n          }\n          var index = 0,\n              result = length ? funcs[index].apply(this, args) : value;\n\n          while (++index < length) {\n            result = funcs[index].call(this, result);\n          }\n          return result;\n        };\n      });\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with optional `this`\n     * binding of `thisArg`, partial application, and currying.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [partialsRight] The arguments to append to those provided\n     *  to the new function.\n     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n      var isAry = bitmask & WRAP_ARY_FLAG,\n          isBind = bitmask & WRAP_BIND_FLAG,\n          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n          isFlip = bitmask & WRAP_FLIP_FLAG,\n          Ctor = isBindKey ? undefined : createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length;\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        if (isCurried) {\n          var placeholder = getHolder(wrapper),\n              holdersCount = countHolders(args, placeholder);\n        }\n        if (partials) {\n          args = composeArgs(args, partials, holders, isCurried);\n        }\n        if (partialsRight) {\n          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n        }\n        length -= holdersCount;\n        if (isCurried && length < arity) {\n          var newHolders = replaceHolders(args, placeholder);\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n            args, newHolders, argPos, ary, arity - length\n          );\n        }\n        var thisBinding = isBind ? thisArg : this,\n            fn = isBindKey ? thisBinding[func] : func;\n\n        length = args.length;\n        if (argPos) {\n          args = reorder(args, argPos);\n        } else if (isFlip && length > 1) {\n          args.reverse();\n        }\n        if (isAry && ary < length) {\n          args.length = ary;\n        }\n        if (this && this !== root && this instanceof wrapper) {\n          fn = Ctor || createCtor(fn);\n        }\n        return fn.apply(thisBinding, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.invertBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} toIteratee The function to resolve iteratees.\n     * @returns {Function} Returns the new inverter function.\n     */\n    function createInverter(setter, toIteratee) {\n      return function(object, iteratee) {\n        return baseInverter(object, setter, toIteratee(iteratee), {});\n      };\n    }\n\n    /**\n     * Creates a function that performs a mathematical operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @param {number} [defaultValue] The value used for `undefined` arguments.\n     * @returns {Function} Returns the new mathematical operation function.\n     */\n    function createMathOperation(operator, defaultValue) {\n      return function(value, other) {\n        var result;\n        if (value === undefined && other === undefined) {\n          return defaultValue;\n        }\n        if (value !== undefined) {\n          result = value;\n        }\n        if (other !== undefined) {\n          if (result === undefined) {\n            return other;\n          }\n          if (typeof value == 'string' || typeof other == 'string') {\n            value = baseToString(value);\n            other = baseToString(other);\n          } else {\n            value = baseToNumber(value);\n            other = baseToNumber(other);\n          }\n          result = operator(value, other);\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function like `_.over`.\n     *\n     * @private\n     * @param {Function} arrayFunc The function to iterate over iteratees.\n     * @returns {Function} Returns the new over function.\n     */\n    function createOver(arrayFunc) {\n      return flatRest(function(iteratees) {\n        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n        return baseRest(function(args) {\n          var thisArg = this;\n          return arrayFunc(iteratees, function(iteratee) {\n            return apply(iteratee, thisArg, args);\n          });\n        });\n      });\n    }\n\n    /**\n     * Creates the padding for `string` based on `length`. The `chars` string\n     * is truncated if the number of characters exceeds `length`.\n     *\n     * @private\n     * @param {number} length The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padding for `string`.\n     */\n    function createPadding(length, chars) {\n      chars = chars === undefined ? ' ' : baseToString(chars);\n\n      var charsLength = chars.length;\n      if (charsLength < 2) {\n        return charsLength ? baseRepeat(chars, length) : chars;\n      }\n      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n      return hasUnicode(chars)\n        ? castSlice(stringToArray(result), 0, length).join('')\n        : result.slice(0, length);\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the `this` binding\n     * of `thisArg` and `partials` prepended to the arguments it receives.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {Array} partials The arguments to prepend to those provided to\n     *  the new function.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createPartial(func, bitmask, thisArg, partials) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var argsIndex = -1,\n            argsLength = arguments.length,\n            leftIndex = -1,\n            leftLength = partials.length,\n            args = Array(leftLength + argsLength),\n            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n        while (++leftIndex < leftLength) {\n          args[leftIndex] = partials[leftIndex];\n        }\n        while (argsLength--) {\n          args[leftIndex++] = arguments[++argsIndex];\n        }\n        return apply(fn, isBind ? thisArg : this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.range` or `_.rangeRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new range function.\n     */\n    function createRange(fromRight) {\n      return function(start, end, step) {\n        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n          end = step = undefined;\n        }\n        // Ensure the sign of `-0` is preserved.\n        start = toFinite(start);\n        if (end === undefined) {\n          end = start;\n          start = 0;\n        } else {\n          end = toFinite(end);\n        }\n        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n        return baseRange(start, end, step, fromRight);\n      };\n    }\n\n    /**\n     * Creates a function that performs a relational operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @returns {Function} Returns the new relational operation function.\n     */\n    function createRelationalOperation(operator) {\n      return function(value, other) {\n        if (!(typeof value == 'string' && typeof other == 'string')) {\n          value = toNumber(value);\n          other = toNumber(other);\n        }\n        return operator(value, other);\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to continue currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {Function} wrapFunc The function to create the `func` wrapper.\n     * @param {*} placeholder The placeholder value.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n      var isCurry = bitmask & WRAP_CURRY_FLAG,\n          newHolders = isCurry ? holders : undefined,\n          newHoldersRight = isCurry ? undefined : holders,\n          newPartials = isCurry ? partials : undefined,\n          newPartialsRight = isCurry ? undefined : partials;\n\n      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n      }\n      var newData = [\n        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n        newHoldersRight, argPos, ary, arity\n      ];\n\n      var result = wrapFunc.apply(undefined, newData);\n      if (isLaziable(func)) {\n        setData(result, newData);\n      }\n      result.placeholder = placeholder;\n      return setWrapToString(result, func, bitmask);\n    }\n\n    /**\n     * Creates a function like `_.round`.\n     *\n     * @private\n     * @param {string} methodName The name of the `Math` method to use when rounding.\n     * @returns {Function} Returns the new round function.\n     */\n    function createRound(methodName) {\n      var func = Math[methodName];\n      return function(number, precision) {\n        number = toNumber(number);\n        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n        if (precision) {\n          // Shift with exponential notation to avoid floating-point issues.\n          // See [MDN](https://mdn.io/round#Examples) for more details.\n          var pair = (toString(number) + 'e').split('e'),\n              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n          pair = (toString(value) + 'e').split('e');\n          return +(pair[0] + 'e' + (+pair[1] - precision));\n        }\n        return func(number);\n      };\n    }\n\n    /**\n     * Creates a set object of `values`.\n     *\n     * @private\n     * @param {Array} values The values to add to the set.\n     * @returns {Object} Returns the new set.\n     */\n    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n      return new Set(values);\n    };\n\n    /**\n     * Creates a `_.toPairs` or `_.toPairsIn` function.\n     *\n     * @private\n     * @param {Function} keysFunc The function to get the keys of a given object.\n     * @returns {Function} Returns the new pairs function.\n     */\n    function createToPairs(keysFunc) {\n      return function(object) {\n        var tag = getTag(object);\n        if (tag == mapTag) {\n          return mapToArray(object);\n        }\n        if (tag == setTag) {\n          return setToPairs(object);\n        }\n        return baseToPairs(object, keysFunc(object));\n      };\n    }\n\n    /**\n     * Creates a function that either curries or invokes `func` with optional\n     * `this` binding and partially applied arguments.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags.\n     *    1 - `_.bind`\n     *    2 - `_.bindKey`\n     *    4 - `_.curry` or `_.curryRight` of a bound function\n     *    8 - `_.curry`\n     *   16 - `_.curryRight`\n     *   32 - `_.partial`\n     *   64 - `_.partialRight`\n     *  128 - `_.rearg`\n     *  256 - `_.ary`\n     *  512 - `_.flip`\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to be partially applied.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n      if (!isBindKey && typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var length = partials ? partials.length : 0;\n      if (!length) {\n        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n        partials = holders = undefined;\n      }\n      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n      arity = arity === undefined ? arity : toInteger(arity);\n      length -= holders ? holders.length : 0;\n\n      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n        var partialsRight = partials,\n            holdersRight = holders;\n\n        partials = holders = undefined;\n      }\n      var data = isBindKey ? undefined : getData(func);\n\n      var newData = [\n        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n        argPos, ary, arity\n      ];\n\n      if (data) {\n        mergeData(newData, data);\n      }\n      func = newData[0];\n      bitmask = newData[1];\n      thisArg = newData[2];\n      partials = newData[3];\n      holders = newData[4];\n      arity = newData[9] = newData[9] === undefined\n        ? (isBindKey ? 0 : func.length)\n        : nativeMax(newData[9] - length, 0);\n\n      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n      }\n      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n        var result = createBind(func, bitmask, thisArg);\n      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n        result = createCurry(func, bitmask, arity);\n      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n        result = createPartial(func, bitmask, thisArg, partials);\n      } else {\n        result = createHybrid.apply(undefined, newData);\n      }\n      var setter = data ? baseSetData : setData;\n      return setWrapToString(setter(result, newData), func, bitmask);\n    }\n\n    /**\n     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n     * of source objects to the destination object for all destination properties\n     * that resolve to `undefined`.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to assign.\n     * @param {Object} object The parent object of `objValue`.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n      if (objValue === undefined ||\n          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n        return srcValue;\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n     * objects into destination objects that are passed thru.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to merge.\n     * @param {Object} object The parent object of `objValue`.\n     * @param {Object} source The parent object of `srcValue`.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n      if (isObject(objValue) && isObject(srcValue)) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, objValue);\n        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n        stack['delete'](srcValue);\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n     * objects.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {string} key The key of the property to inspect.\n     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n     */\n    function customOmitClone(value) {\n      return isPlainObject(value) ? undefined : value;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for arrays with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Array} array The array to compare.\n     * @param {Array} other The other array to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `array` and `other` objects.\n     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n     */\n    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          arrLength = array.length,\n          othLength = other.length;\n\n      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n        return false;\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(array);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var index = -1,\n          result = true,\n          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n      stack.set(array, other);\n      stack.set(other, array);\n\n      // Ignore non-index properties.\n      while (++index < arrLength) {\n        var arrValue = array[index],\n            othValue = other[index];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, arrValue, index, other, array, stack)\n            : customizer(arrValue, othValue, index, array, other, stack);\n        }\n        if (compared !== undefined) {\n          if (compared) {\n            continue;\n          }\n          result = false;\n          break;\n        }\n        // Recursively compare arrays (susceptible to call stack limits).\n        if (seen) {\n          if (!arraySome(other, function(othValue, othIndex) {\n                if (!cacheHas(seen, othIndex) &&\n                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n                  return seen.push(othIndex);\n                }\n              })) {\n            result = false;\n            break;\n          }\n        } else if (!(\n              arrValue === othValue ||\n                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n            )) {\n          result = false;\n          break;\n        }\n      }\n      stack['delete'](array);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for comparing objects of\n     * the same `toStringTag`.\n     *\n     * **Note:** This function only supports comparing values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {string} tag The `toStringTag` of the objects to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n      switch (tag) {\n        case dataViewTag:\n          if ((object.byteLength != other.byteLength) ||\n              (object.byteOffset != other.byteOffset)) {\n            return false;\n          }\n          object = object.buffer;\n          other = other.buffer;\n\n        case arrayBufferTag:\n          if ((object.byteLength != other.byteLength) ||\n              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n            return false;\n          }\n          return true;\n\n        case boolTag:\n        case dateTag:\n        case numberTag:\n          // Coerce booleans to `1` or `0` and dates to milliseconds.\n          // Invalid dates are coerced to `NaN`.\n          return eq(+object, +other);\n\n        case errorTag:\n          return object.name == other.name && object.message == other.message;\n\n        case regexpTag:\n        case stringTag:\n          // Coerce regexes to strings and treat strings, primitives and objects,\n          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n          // for more details.\n          return object == (other + '');\n\n        case mapTag:\n          var convert = mapToArray;\n\n        case setTag:\n          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n          convert || (convert = setToArray);\n\n          if (object.size != other.size && !isPartial) {\n            return false;\n          }\n          // Assume cyclic values are equal.\n          var stacked = stack.get(object);\n          if (stacked) {\n            return stacked == other;\n          }\n          bitmask |= COMPARE_UNORDERED_FLAG;\n\n          // Recursively compare objects (susceptible to call stack limits).\n          stack.set(object, other);\n          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n          stack['delete'](object);\n          return result;\n\n        case symbolTag:\n          if (symbolValueOf) {\n            return symbolValueOf.call(object) == symbolValueOf.call(other);\n          }\n      }\n      return false;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for objects with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          objProps = getAllKeys(object),\n          objLength = objProps.length,\n          othProps = getAllKeys(other),\n          othLength = othProps.length;\n\n      if (objLength != othLength && !isPartial) {\n        return false;\n      }\n      var index = objLength;\n      while (index--) {\n        var key = objProps[index];\n        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n          return false;\n        }\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(object);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var result = true;\n      stack.set(object, other);\n      stack.set(other, object);\n\n      var skipCtor = isPartial;\n      while (++index < objLength) {\n        key = objProps[index];\n        var objValue = object[key],\n            othValue = other[key];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, objValue, key, other, object, stack)\n            : customizer(objValue, othValue, key, object, other, stack);\n        }\n        // Recursively compare objects (susceptible to call stack limits).\n        if (!(compared === undefined\n              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n              : compared\n            )) {\n          result = false;\n          break;\n        }\n        skipCtor || (skipCtor = key == 'constructor');\n      }\n      if (result && !skipCtor) {\n        var objCtor = object.constructor,\n            othCtor = other.constructor;\n\n        // Non `Object` object instances with different constructors are not equal.\n        if (objCtor != othCtor &&\n            ('constructor' in object && 'constructor' in other) &&\n            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n          result = false;\n        }\n      }\n      stack['delete'](object);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseRest` which flattens the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    function flatRest(func) {\n      return setToString(overRest(func, undefined, flatten), func + '');\n    }\n\n    /**\n     * Creates an array of own enumerable property names and symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeys(object) {\n      return baseGetAllKeys(object, keys, getSymbols);\n    }\n\n    /**\n     * Creates an array of own and inherited enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeysIn(object) {\n      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n    }\n\n    /**\n     * Gets metadata for `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {*} Returns the metadata for `func`.\n     */\n    var getData = !metaMap ? noop : function(func) {\n      return metaMap.get(func);\n    };\n\n    /**\n     * Gets the name of `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {string} Returns the function name.\n     */\n    function getFuncName(func) {\n      var result = (func.name + ''),\n          array = realNames[result],\n          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n      while (length--) {\n        var data = array[length],\n            otherFunc = data.func;\n        if (otherFunc == null || otherFunc == func) {\n          return data.name;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Gets the argument placeholder value for `func`.\n     *\n     * @private\n     * @param {Function} func The function to inspect.\n     * @returns {*} Returns the placeholder value.\n     */\n    function getHolder(func) {\n      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n      return object.placeholder;\n    }\n\n    /**\n     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n     * this function returns the custom method, otherwise it returns `baseIteratee`.\n     * If arguments are provided, the chosen function is invoked with them and\n     * its result is returned.\n     *\n     * @private\n     * @param {*} [value] The value to convert to an iteratee.\n     * @param {number} [arity] The arity of the created iteratee.\n     * @returns {Function} Returns the chosen function or its result.\n     */\n    function getIteratee() {\n      var result = lodash.iteratee || iteratee;\n      result = result === iteratee ? baseIteratee : result;\n      return arguments.length ? result(arguments[0], arguments[1]) : result;\n    }\n\n    /**\n     * Gets the data for `map`.\n     *\n     * @private\n     * @param {Object} map The map to query.\n     * @param {string} key The reference key.\n     * @returns {*} Returns the map data.\n     */\n    function getMapData(map, key) {\n      var data = map.__data__;\n      return isKeyable(key)\n        ? data[typeof key == 'string' ? 'string' : 'hash']\n        : data.map;\n    }\n\n    /**\n     * Gets the property names, values, and compare flags of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the match data of `object`.\n     */\n    function getMatchData(object) {\n      var result = keys(object),\n          length = result.length;\n\n      while (length--) {\n        var key = result[length],\n            value = object[key];\n\n        result[length] = [key, value, isStrictComparable(value)];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the native function at `key` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {string} key The key of the method to get.\n     * @returns {*} Returns the function if it's native, else `undefined`.\n     */\n    function getNative(object, key) {\n      var value = getValue(object, key);\n      return baseIsNative(value) ? value : undefined;\n    }\n\n    /**\n     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the raw `toStringTag`.\n     */\n    function getRawTag(value) {\n      var isOwn = hasOwnProperty.call(value, symToStringTag),\n          tag = value[symToStringTag];\n\n      try {\n        value[symToStringTag] = undefined;\n        var unmasked = true;\n      } catch (e) {}\n\n      var result = nativeObjectToString.call(value);\n      if (unmasked) {\n        if (isOwn) {\n          value[symToStringTag] = tag;\n        } else {\n          delete value[symToStringTag];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array of the own enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n      if (object == null) {\n        return [];\n      }\n      object = Object(object);\n      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n        return propertyIsEnumerable.call(object, symbol);\n      });\n    };\n\n    /**\n     * Creates an array of the own and inherited enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n      var result = [];\n      while (object) {\n        arrayPush(result, getSymbols(object));\n        object = getPrototype(object);\n      }\n      return result;\n    };\n\n    /**\n     * Gets the `toStringTag` of `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    var getTag = baseGetTag;\n\n    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n        (Map && getTag(new Map) != mapTag) ||\n        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n        (Set && getTag(new Set) != setTag) ||\n        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n      getTag = function(value) {\n        var result = baseGetTag(value),\n            Ctor = result == objectTag ? value.constructor : undefined,\n            ctorString = Ctor ? toSource(Ctor) : '';\n\n        if (ctorString) {\n          switch (ctorString) {\n            case dataViewCtorString: return dataViewTag;\n            case mapCtorString: return mapTag;\n            case promiseCtorString: return promiseTag;\n            case setCtorString: return setTag;\n            case weakMapCtorString: return weakMapTag;\n          }\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n     *\n     * @private\n     * @param {number} start The start of the view.\n     * @param {number} end The end of the view.\n     * @param {Array} transforms The transformations to apply to the view.\n     * @returns {Object} Returns an object containing the `start` and `end`\n     *  positions of the view.\n     */\n    function getView(start, end, transforms) {\n      var index = -1,\n          length = transforms.length;\n\n      while (++index < length) {\n        var data = transforms[index],\n            size = data.size;\n\n        switch (data.type) {\n          case 'drop':      start += size; break;\n          case 'dropRight': end -= size; break;\n          case 'take':      end = nativeMin(end, start + size); break;\n          case 'takeRight': start = nativeMax(start, end - size); break;\n        }\n      }\n      return { 'start': start, 'end': end };\n    }\n\n    /**\n     * Extracts wrapper details from the `source` body comment.\n     *\n     * @private\n     * @param {string} source The source to inspect.\n     * @returns {Array} Returns the wrapper details.\n     */\n    function getWrapDetails(source) {\n      var match = source.match(reWrapDetails);\n      return match ? match[1].split(reSplitDetails) : [];\n    }\n\n    /**\n     * Checks if `path` exists on `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @param {Function} hasFunc The function to check properties.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     */\n    function hasPath(object, path, hasFunc) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          result = false;\n\n      while (++index < length) {\n        var key = toKey(path[index]);\n        if (!(result = object != null && hasFunc(object, key))) {\n          break;\n        }\n        object = object[key];\n      }\n      if (result || ++index != length) {\n        return result;\n      }\n      length = object == null ? 0 : object.length;\n      return !!length && isLength(length) && isIndex(key, length) &&\n        (isArray(object) || isArguments(object));\n    }\n\n    /**\n     * Initializes an array clone.\n     *\n     * @private\n     * @param {Array} array The array to clone.\n     * @returns {Array} Returns the initialized clone.\n     */\n    function initCloneArray(array) {\n      var length = array.length,\n          result = array.constructor(length);\n\n      // Add properties assigned by `RegExp#exec`.\n      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n        result.index = array.index;\n        result.input = array.input;\n      }\n      return result;\n    }\n\n    /**\n     * Initializes an object clone.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneObject(object) {\n      return (typeof object.constructor == 'function' && !isPrototype(object))\n        ? baseCreate(getPrototype(object))\n        : {};\n    }\n\n    /**\n     * Initializes an object clone based on its `toStringTag`.\n     *\n     * **Note:** This function only supports cloning values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @param {string} tag The `toStringTag` of the object to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n      var Ctor = object.constructor;\n      switch (tag) {\n        case arrayBufferTag:\n          return cloneArrayBuffer(object);\n\n        case boolTag:\n        case dateTag:\n          return new Ctor(+object);\n\n        case dataViewTag:\n          return cloneDataView(object, isDeep);\n\n        case float32Tag: case float64Tag:\n        case int8Tag: case int16Tag: case int32Tag:\n        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n          return cloneTypedArray(object, isDeep);\n\n        case mapTag:\n          return cloneMap(object, isDeep, cloneFunc);\n\n        case numberTag:\n        case stringTag:\n          return new Ctor(object);\n\n        case regexpTag:\n          return cloneRegExp(object);\n\n        case setTag:\n          return cloneSet(object, isDeep, cloneFunc);\n\n        case symbolTag:\n          return cloneSymbol(object);\n      }\n    }\n\n    /**\n     * Inserts wrapper `details` in a comment at the top of the `source` body.\n     *\n     * @private\n     * @param {string} source The source to modify.\n     * @returns {Array} details The details to insert.\n     * @returns {string} Returns the modified source.\n     */\n    function insertWrapDetails(source, details) {\n      var length = details.length;\n      if (!length) {\n        return source;\n      }\n      var lastIndex = length - 1;\n      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n      details = details.join(length > 2 ? ', ' : ' ');\n      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n    }\n\n    /**\n     * Checks if `value` is a flattenable `arguments` object or array.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n     */\n    function isFlattenable(value) {\n      return isArray(value) || isArguments(value) ||\n        !!(spreadableSymbol && value && value[spreadableSymbol]);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like index.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n     */\n    function isIndex(value, length) {\n      length = length == null ? MAX_SAFE_INTEGER : length;\n      return !!length &&\n        (typeof value == 'number' || reIsUint.test(value)) &&\n        (value > -1 && value % 1 == 0 && value < length);\n    }\n\n    /**\n     * Checks if the given arguments are from an iteratee call.\n     *\n     * @private\n     * @param {*} value The potential iteratee value argument.\n     * @param {*} index The potential iteratee index or key argument.\n     * @param {*} object The potential iteratee object argument.\n     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n     *  else `false`.\n     */\n    function isIterateeCall(value, index, object) {\n      if (!isObject(object)) {\n        return false;\n      }\n      var type = typeof index;\n      if (type == 'number'\n            ? (isArrayLike(object) && isIndex(index, object.length))\n            : (type == 'string' && index in object)\n          ) {\n        return eq(object[index], value);\n      }\n      return false;\n    }\n\n    /**\n     * Checks if `value` is a property name and not a property path.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n     */\n    function isKey(value, object) {\n      if (isArray(value)) {\n        return false;\n      }\n      var type = typeof value;\n      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n          value == null || isSymbol(value)) {\n        return true;\n      }\n      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n        (object != null && value in Object(object));\n    }\n\n    /**\n     * Checks if `value` is suitable for use as unique object key.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n     */\n    function isKeyable(value) {\n      var type = typeof value;\n      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n        ? (value !== '__proto__')\n        : (value === null);\n    }\n\n    /**\n     * Checks if `func` has a lazy counterpart.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n     *  else `false`.\n     */\n    function isLaziable(func) {\n      var funcName = getFuncName(func),\n          other = lodash[funcName];\n\n      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n        return false;\n      }\n      if (func === other) {\n        return true;\n      }\n      var data = getData(other);\n      return !!data && func === data[0];\n    }\n\n    /**\n     * Checks if `func` has its source masked.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n     */\n    function isMasked(func) {\n      return !!maskSrcKey && (maskSrcKey in func);\n    }\n\n    /**\n     * Checks if `func` is capable of being masked.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n     */\n    var isMaskable = coreJsData ? isFunction : stubFalse;\n\n    /**\n     * Checks if `value` is likely a prototype object.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n     */\n    function isPrototype(value) {\n      var Ctor = value && value.constructor,\n          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n      return value === proto;\n    }\n\n    /**\n     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` if suitable for strict\n     *  equality comparisons, else `false`.\n     */\n    function isStrictComparable(value) {\n      return value === value && !isObject(value);\n    }\n\n    /**\n     * A specialized version of `matchesProperty` for source values suitable\n     * for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {string} key The key of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function matchesStrictComparable(key, srcValue) {\n      return function(object) {\n        if (object == null) {\n          return false;\n        }\n        return object[key] === srcValue &&\n          (srcValue !== undefined || (key in Object(object)));\n      };\n    }\n\n    /**\n     * A specialized version of `_.memoize` which clears the memoized function's\n     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n     *\n     * @private\n     * @param {Function} func The function to have its output memoized.\n     * @returns {Function} Returns the new memoized function.\n     */\n    function memoizeCapped(func) {\n      var result = memoize(func, function(key) {\n        if (cache.size === MAX_MEMOIZE_SIZE) {\n          cache.clear();\n        }\n        return key;\n      });\n\n      var cache = result.cache;\n      return result;\n    }\n\n    /**\n     * Merges the function metadata of `source` into `data`.\n     *\n     * Merging metadata reduces the number of wrappers used to invoke a function.\n     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n     * may be applied regardless of execution order. Methods like `_.ary` and\n     * `_.rearg` modify function arguments, making the order in which they are\n     * executed important, preventing the merging of metadata. However, we make\n     * an exception for a safe combined case where curried functions have `_.ary`\n     * and or `_.rearg` applied.\n     *\n     * @private\n     * @param {Array} data The destination metadata.\n     * @param {Array} source The source metadata.\n     * @returns {Array} Returns `data`.\n     */\n    function mergeData(data, source) {\n      var bitmask = data[1],\n          srcBitmask = source[1],\n          newBitmask = bitmask | srcBitmask,\n          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n      var isCombo =\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n      // Exit early if metadata can't be merged.\n      if (!(isCommon || isCombo)) {\n        return data;\n      }\n      // Use source `thisArg` if available.\n      if (srcBitmask & WRAP_BIND_FLAG) {\n        data[2] = source[2];\n        // Set when currying a bound function.\n        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n      }\n      // Compose partial arguments.\n      var value = source[3];\n      if (value) {\n        var partials = data[3];\n        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n      }\n      // Compose partial right arguments.\n      value = source[5];\n      if (value) {\n        partials = data[5];\n        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n      }\n      // Use source `argPos` if available.\n      value = source[7];\n      if (value) {\n        data[7] = value;\n      }\n      // Use source `ary` if it's smaller.\n      if (srcBitmask & WRAP_ARY_FLAG) {\n        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n      }\n      // Use source `arity` if one is not provided.\n      if (data[9] == null) {\n        data[9] = source[9];\n      }\n      // Use source `func` and merge bitmasks.\n      data[0] = source[0];\n      data[1] = newBitmask;\n\n      return data;\n    }\n\n    /**\n     * This function is like\n     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * except that it includes inherited enumerable properties.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function nativeKeysIn(object) {\n      var result = [];\n      if (object != null) {\n        for (var key in Object(object)) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a string using `Object.prototype.toString`.\n     *\n     * @private\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     */\n    function objectToString(value) {\n      return nativeObjectToString.call(value);\n    }\n\n    /**\n     * A specialized version of `baseRest` which transforms the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @param {Function} transform The rest array transform.\n     * @returns {Function} Returns the new function.\n     */\n    function overRest(func, start, transform) {\n      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n      return function() {\n        var args = arguments,\n            index = -1,\n            length = nativeMax(args.length - start, 0),\n            array = Array(length);\n\n        while (++index < length) {\n          array[index] = args[start + index];\n        }\n        index = -1;\n        var otherArgs = Array(start + 1);\n        while (++index < start) {\n          otherArgs[index] = args[index];\n        }\n        otherArgs[start] = transform(array);\n        return apply(func, this, otherArgs);\n      };\n    }\n\n    /**\n     * Gets the parent value at `path` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array} path The path to get the parent value of.\n     * @returns {*} Returns the parent value.\n     */\n    function parent(object, path) {\n      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n    }\n\n    /**\n     * Reorder `array` according to the specified indexes where the element at\n     * the first index is assigned as the first element, the element at\n     * the second index is assigned as the second element, and so on.\n     *\n     * @private\n     * @param {Array} array The array to reorder.\n     * @param {Array} indexes The arranged array indexes.\n     * @returns {Array} Returns `array`.\n     */\n    function reorder(array, indexes) {\n      var arrLength = array.length,\n          length = nativeMin(indexes.length, arrLength),\n          oldArray = copyArray(array);\n\n      while (length--) {\n        var index = indexes[length];\n        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n      }\n      return array;\n    }\n\n    /**\n     * Sets metadata for `func`.\n     *\n     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n     * period of time, it will trip its breaker and transition to an identity\n     * function to avoid garbage collection pauses in V8. See\n     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n     * for more details.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var setData = shortOut(baseSetData);\n\n    /**\n     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    var setTimeout = ctxSetTimeout || function(func, wait) {\n      return root.setTimeout(func, wait);\n    };\n\n    /**\n     * Sets the `toString` method of `func` to return `string`.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var setToString = shortOut(baseSetToString);\n\n    /**\n     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n     * with wrapper details in a comment at the top of the source body.\n     *\n     * @private\n     * @param {Function} wrapper The function to modify.\n     * @param {Function} reference The reference function.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Function} Returns `wrapper`.\n     */\n    function setWrapToString(wrapper, reference, bitmask) {\n      var source = (reference + '');\n      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n    }\n\n    /**\n     * Creates a function that'll short out and invoke `identity` instead\n     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n     * milliseconds.\n     *\n     * @private\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new shortable function.\n     */\n    function shortOut(func) {\n      var count = 0,\n          lastCalled = 0;\n\n      return function() {\n        var stamp = nativeNow(),\n            remaining = HOT_SPAN - (stamp - lastCalled);\n\n        lastCalled = stamp;\n        if (remaining > 0) {\n          if (++count >= HOT_COUNT) {\n            return arguments[0];\n          }\n        } else {\n          count = 0;\n        }\n        return func.apply(undefined, arguments);\n      };\n    }\n\n    /**\n     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @param {number} [size=array.length] The size of `array`.\n     * @returns {Array} Returns `array`.\n     */\n    function shuffleSelf(array, size) {\n      var index = -1,\n          length = array.length,\n          lastIndex = length - 1;\n\n      size = size === undefined ? length : size;\n      while (++index < size) {\n        var rand = baseRandom(index, lastIndex),\n            value = array[rand];\n\n        array[rand] = array[index];\n        array[index] = value;\n      }\n      array.length = size;\n      return array;\n    }\n\n    /**\n     * Converts `string` to a property path array.\n     *\n     * @private\n     * @param {string} string The string to convert.\n     * @returns {Array} Returns the property path array.\n     */\n    var stringToPath = memoizeCapped(function(string) {\n      var result = [];\n      if (reLeadingDot.test(string)) {\n        result.push('');\n      }\n      string.replace(rePropName, function(match, number, quote, string) {\n        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n      });\n      return result;\n    });\n\n    /**\n     * Converts `value` to a string key if it's not a string or symbol.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {string|symbol} Returns the key.\n     */\n    function toKey(value) {\n      if (typeof value == 'string' || isSymbol(value)) {\n        return value;\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * Converts `func` to its source code.\n     *\n     * @private\n     * @param {Function} func The function to convert.\n     * @returns {string} Returns the source code.\n     */\n    function toSource(func) {\n      if (func != null) {\n        try {\n          return funcToString.call(func);\n        } catch (e) {}\n        try {\n          return (func + '');\n        } catch (e) {}\n      }\n      return '';\n    }\n\n    /**\n     * Updates wrapper `details` based on `bitmask` flags.\n     *\n     * @private\n     * @returns {Array} details The details to modify.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Array} Returns `details`.\n     */\n    function updateWrapDetails(details, bitmask) {\n      arrayEach(wrapFlags, function(pair) {\n        var value = '_.' + pair[0];\n        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n          details.push(value);\n        }\n      });\n      return details.sort();\n    }\n\n    /**\n     * Creates a clone of `wrapper`.\n     *\n     * @private\n     * @param {Object} wrapper The wrapper to clone.\n     * @returns {Object} Returns the cloned wrapper.\n     */\n    function wrapperClone(wrapper) {\n      if (wrapper instanceof LazyWrapper) {\n        return wrapper.clone();\n      }\n      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n      result.__actions__ = copyArray(wrapper.__actions__);\n      result.__index__  = wrapper.__index__;\n      result.__values__ = wrapper.__values__;\n      return result;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of elements split into groups the length of `size`.\n     * If `array` can't be split evenly, the final chunk will be the remaining\n     * elements.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to process.\n     * @param {number} [size=1] The length of each chunk\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the new array of chunks.\n     * @example\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 2);\n     * // => [['a', 'b'], ['c', 'd']]\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 3);\n     * // => [['a', 'b', 'c'], ['d']]\n     */\n    function chunk(array, size, guard) {\n      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n        size = 1;\n      } else {\n        size = nativeMax(toInteger(size), 0);\n      }\n      var length = array == null ? 0 : array.length;\n      if (!length || size < 1) {\n        return [];\n      }\n      var index = 0,\n          resIndex = 0,\n          result = Array(nativeCeil(length / size));\n\n      while (index < length) {\n        result[resIndex++] = baseSlice(array, index, (index += size));\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array with all falsey values removed. The values `false`, `null`,\n     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to compact.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.compact([0, 1, false, 2, '', 3]);\n     * // => [1, 2, 3]\n     */\n    function compact(array) {\n      var index = -1,\n          length = array == null ? 0 : array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index];\n        if (value) {\n          result[resIndex++] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates a new array concatenating `array` with any additional arrays\n     * and/or values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to concatenate.\n     * @param {...*} [values] The values to concatenate.\n     * @returns {Array} Returns the new concatenated array.\n     * @example\n     *\n     * var array = [1];\n     * var other = _.concat(array, 2, [3], [[4]]);\n     *\n     * console.log(other);\n     * // => [1, 2, 3, [4]]\n     *\n     * console.log(array);\n     * // => [1]\n     */\n    function concat() {\n      var length = arguments.length;\n      if (!length) {\n        return [];\n      }\n      var args = Array(length - 1),\n          array = arguments[0],\n          index = length;\n\n      while (index--) {\n        args[index - 1] = arguments[index];\n      }\n      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n    }\n\n    /**\n     * Creates an array of `array` values not included in the other given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.without, _.xor\n     * @example\n     *\n     * _.difference([2, 1], [2, 3]);\n     * // => [1]\n     */\n    var difference = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `iteratee` which\n     * is invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var differenceBy = baseRest(function(array, values) {\n      var iteratee = last(values);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `comparator`\n     * which is invoked to compare elements of `array` to `values`. The order and\n     * references of result values are determined by the first array. The comparator\n     * is invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     *\n     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }]\n     */\n    var differenceWith = baseRest(function(array, values) {\n      var comparator = last(values);\n      if (isArrayLikeObject(comparator)) {\n        comparator = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.drop([1, 2, 3]);\n     * // => [2, 3]\n     *\n     * _.drop([1, 2, 3], 2);\n     * // => [3]\n     *\n     * _.drop([1, 2, 3], 5);\n     * // => []\n     *\n     * _.drop([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function drop(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.dropRight([1, 2, 3]);\n     * // => [1, 2]\n     *\n     * _.dropRight([1, 2, 3], 2);\n     * // => [1]\n     *\n     * _.dropRight([1, 2, 3], 5);\n     * // => []\n     *\n     * _.dropRight([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function dropRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the end.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.dropRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropRightWhile(users, ['active', false]);\n     * // => objects for ['barney']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropRightWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the beginning.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.dropWhile(users, function(o) { return !o.active; });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropWhile(users, ['active', false]);\n     * // => objects for ['pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true)\n        : [];\n    }\n\n    /**\n     * Fills elements of `array` with `value` from `start` up to, but not\n     * including, `end`.\n     *\n     * **Note:** This method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Array\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.fill(array, 'a');\n     * console.log(array);\n     * // => ['a', 'a', 'a']\n     *\n     * _.fill(Array(3), 2);\n     * // => [2, 2, 2]\n     *\n     * _.fill([4, 6, 8, 10], '*', 1, 3);\n     * // => [4, '*', '*', 10]\n     */\n    function fill(array, value, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n        start = 0;\n        end = length;\n      }\n      return baseFill(array, value, start, end);\n    }\n\n    /**\n     * This method is like `_.find` except that it returns the index of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n     * // => 0\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findIndex(users, { 'user': 'fred', 'active': false });\n     * // => 1\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findIndex(users, ['active', false]);\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findIndex(users, 'active');\n     * // => 2\n     */\n    function findIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index);\n    }\n\n    /**\n     * This method is like `_.findIndex` except that it iterates over elements\n     * of `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n     * // => 2\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n     * // => 0\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastIndex(users, ['active', false]);\n     * // => 2\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastIndex(users, 'active');\n     * // => 0\n     */\n    function findLastIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length - 1;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = fromIndex < 0\n          ? nativeMax(length + index, 0)\n          : nativeMin(index, length - 1);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n    }\n\n    /**\n     * Flattens `array` a single level deep.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flatten([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, [3, [4]], 5]\n     */\n    function flatten(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, 1) : [];\n    }\n\n    /**\n     * Recursively flattens `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, 3, 4, 5]\n     */\n    function flattenDeep(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, INFINITY) : [];\n    }\n\n    /**\n     * Recursively flatten `array` up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * var array = [1, [2, [3, [4]], 5]];\n     *\n     * _.flattenDepth(array, 1);\n     * // => [1, 2, [3, [4]], 5]\n     *\n     * _.flattenDepth(array, 2);\n     * // => [1, 2, 3, [4], 5]\n     */\n    function flattenDepth(array, depth) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(array, depth);\n    }\n\n    /**\n     * The inverse of `_.toPairs`; this method returns an object composed\n     * from key-value `pairs`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} pairs The key-value pairs.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.fromPairs([['a', 1], ['b', 2]]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function fromPairs(pairs) {\n      var index = -1,\n          length = pairs == null ? 0 : pairs.length,\n          result = {};\n\n      while (++index < length) {\n        var pair = pairs[index];\n        result[pair[0]] = pair[1];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias first\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the first element of `array`.\n     * @example\n     *\n     * _.head([1, 2, 3]);\n     * // => 1\n     *\n     * _.head([]);\n     * // => undefined\n     */\n    function head(array) {\n      return (array && array.length) ? array[0] : undefined;\n    }\n\n    /**\n     * Gets the index at which the first occurrence of `value` is found in `array`\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. If `fromIndex` is negative, it's used as the\n     * offset from the end of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.indexOf([1, 2, 1, 2], 2);\n     * // => 1\n     *\n     * // Search from the `fromIndex`.\n     * _.indexOf([1, 2, 1, 2], 2, 2);\n     * // => 3\n     */\n    function indexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseIndexOf(array, value, index);\n    }\n\n    /**\n     * Gets all but the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.initial([1, 2, 3]);\n     * // => [1, 2]\n     */\n    function initial(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 0, -1) : [];\n    }\n\n    /**\n     * Creates an array of unique values that are included in all given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersection([2, 1], [2, 3]);\n     * // => [2]\n     */\n    var intersection = baseRest(function(arrays) {\n      var mapped = arrayMap(arrays, castArrayLikeObject);\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped)\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `iteratee`\n     * which is invoked for each element of each `arrays` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [2.1]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }]\n     */\n    var intersectionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      if (iteratee === last(mapped)) {\n        iteratee = undefined;\n      } else {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `comparator`\n     * which is invoked to compare elements of `arrays`. The order and references\n     * of result values are determined by the first array. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.intersectionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }]\n     */\n    var intersectionWith = baseRest(function(arrays) {\n      var comparator = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      if (comparator) {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Converts all elements in `array` into a string separated by `separator`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to convert.\n     * @param {string} [separator=','] The element separator.\n     * @returns {string} Returns the joined string.\n     * @example\n     *\n     * _.join(['a', 'b', 'c'], '~');\n     * // => 'a~b~c'\n     */\n    function join(array, separator) {\n      return array == null ? '' : nativeJoin.call(array, separator);\n    }\n\n    /**\n     * Gets the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the last element of `array`.\n     * @example\n     *\n     * _.last([1, 2, 3]);\n     * // => 3\n     */\n    function last(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? array[length - 1] : undefined;\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it iterates over elements of\n     * `array` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.lastIndexOf([1, 2, 1, 2], 2);\n     * // => 3\n     *\n     * // Search from the `fromIndex`.\n     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n     * // => 1\n     */\n    function lastIndexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n      }\n      return value === value\n        ? strictLastIndexOf(array, value, index)\n        : baseFindIndex(array, baseIsNaN, index, true);\n    }\n\n    /**\n     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n     * element from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.11.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=0] The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     *\n     * _.nth(array, 1);\n     * // => 'b'\n     *\n     * _.nth(array, -2);\n     * // => 'c';\n     */\n    function nth(array, n) {\n      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n    }\n\n    /**\n     * Removes all given values from `array` using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n     * to remove elements from an array by predicate.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...*} [values] The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pull(array, 'a', 'c');\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    var pull = baseRest(pullAll);\n\n    /**\n     * This method is like `_.pull` except that it accepts an array of values to remove.\n     *\n     * **Note:** Unlike `_.difference`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pullAll(array, ['a', 'c']);\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    function pullAll(array, values) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values)\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n     * invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The iteratee is invoked with one argument: (value).\n     *\n     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n     *\n     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n     * console.log(array);\n     * // => [{ 'x': 2 }]\n     */\n    function pullAllBy(array, values, iteratee) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, getIteratee(iteratee, 2))\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `comparator` which\n     * is invoked to compare elements of `array` to `values`. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n     *\n     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n     * console.log(array);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n     */\n    function pullAllWith(array, values, comparator) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, undefined, comparator)\n        : array;\n    }\n\n    /**\n     * Removes elements from `array` corresponding to `indexes` and returns an\n     * array of removed elements.\n     *\n     * **Note:** Unlike `_.at`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     * var pulled = _.pullAt(array, [1, 3]);\n     *\n     * console.log(array);\n     * // => ['a', 'c']\n     *\n     * console.log(pulled);\n     * // => ['b', 'd']\n     */\n    var pullAt = flatRest(function(array, indexes) {\n      var length = array == null ? 0 : array.length,\n          result = baseAt(array, indexes);\n\n      basePullAt(array, arrayMap(indexes, function(index) {\n        return isIndex(index, length) ? +index : index;\n      }).sort(compareAscending));\n\n      return result;\n    });\n\n    /**\n     * Removes all elements from `array` that `predicate` returns truthy for\n     * and returns an array of the removed elements. The predicate is invoked\n     * with three arguments: (value, index, array).\n     *\n     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n     * to pull elements from an array by value.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = [1, 2, 3, 4];\n     * var evens = _.remove(array, function(n) {\n     *   return n % 2 == 0;\n     * });\n     *\n     * console.log(array);\n     * // => [1, 3]\n     *\n     * console.log(evens);\n     * // => [2, 4]\n     */\n    function remove(array, predicate) {\n      var result = [];\n      if (!(array && array.length)) {\n        return result;\n      }\n      var index = -1,\n          indexes = [],\n          length = array.length;\n\n      predicate = getIteratee(predicate, 3);\n      while (++index < length) {\n        var value = array[index];\n        if (predicate(value, index, array)) {\n          result.push(value);\n          indexes.push(index);\n        }\n      }\n      basePullAt(array, indexes);\n      return result;\n    }\n\n    /**\n     * Reverses `array` so that the first element becomes the last, the second\n     * element becomes the second to last, and so on.\n     *\n     * **Note:** This method mutates `array` and is based on\n     * [`Array#reverse`](https://mdn.io/Array/reverse).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.reverse(array);\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function reverse(array) {\n      return array == null ? array : nativeReverse.call(array);\n    }\n\n    /**\n     * Creates a slice of `array` from `start` up to, but not including, `end`.\n     *\n     * **Note:** This method is used instead of\n     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n     * returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function slice(array, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n        start = 0;\n        end = length;\n      }\n      else {\n        start = start == null ? 0 : toInteger(start);\n        end = end === undefined ? length : toInteger(end);\n      }\n      return baseSlice(array, start, end);\n    }\n\n    /**\n     * Uses a binary search to determine the lowest index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedIndex([30, 50], 40);\n     * // => 1\n     */\n    function sortedIndex(array, value) {\n      return baseSortedIndex(array, value);\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 0\n     */\n    function sortedIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 1\n     */\n    function sortedIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value);\n        if (index < length && eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it returns the highest\n     * index at which `value` should be inserted into `array` in order to\n     * maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n     * // => 4\n     */\n    function sortedLastIndex(array, value) {\n      return baseSortedIndex(array, value, true);\n    }\n\n    /**\n     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 1\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 1\n     */\n    function sortedLastIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n    }\n\n    /**\n     * This method is like `_.lastIndexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 3\n     */\n    function sortedLastIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value, true) - 1;\n        if (eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.uniq` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniq([1, 1, 2]);\n     * // => [1, 2]\n     */\n    function sortedUniq(array) {\n      return (array && array.length)\n        ? baseSortedUniq(array)\n        : [];\n    }\n\n    /**\n     * This method is like `_.uniqBy` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n     * // => [1.1, 2.3]\n     */\n    function sortedUniqBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n        : [];\n    }\n\n    /**\n     * Gets all but the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.tail([1, 2, 3]);\n     * // => [2, 3]\n     */\n    function tail(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 1, length) : [];\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.take([1, 2, 3]);\n     * // => [1]\n     *\n     * _.take([1, 2, 3], 2);\n     * // => [1, 2]\n     *\n     * _.take([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.take([1, 2, 3], 0);\n     * // => []\n     */\n    function take(array, n, guard) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.takeRight([1, 2, 3]);\n     * // => [3]\n     *\n     * _.takeRight([1, 2, 3], 2);\n     * // => [2, 3]\n     *\n     * _.takeRight([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.takeRight([1, 2, 3], 0);\n     * // => []\n     */\n    function takeRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the end. Elements are\n     * taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.takeRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeRightWhile(users, ['active', false]);\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeRightWhile(users, 'active');\n     * // => []\n     */\n    function takeRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the beginning. Elements\n     * are taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.takeWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeWhile(users, ['active', false]);\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeWhile(users, 'active');\n     * // => []\n     */\n    function takeWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3))\n        : [];\n    }\n\n    /**\n     * Creates an array of unique values, in order, from all given arrays using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.union([2], [1, 2]);\n     * // => [2, 1]\n     */\n    var union = baseRest(function(arrays) {\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which uniqueness is computed. Result values are chosen from the first\n     * array in which the value occurs. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    var unionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `comparator` which\n     * is invoked to compare elements of `arrays`. Result values are chosen from\n     * the first array in which the value occurs. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.unionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var unionWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n    });\n\n    /**\n     * Creates a duplicate-free version of an array, using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons, in which only the first occurrence of each element\n     * is kept. The order of result values is determined by the order they occur\n     * in the array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniq([2, 1, 2]);\n     * // => [2, 1]\n     */\n    function uniq(array) {\n      return (array && array.length) ? baseUniq(array) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * uniqueness is computed. The order of result values is determined by the\n     * order they occur in the array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    function uniqBy(array, iteratee) {\n      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `comparator` which\n     * is invoked to compare elements of `array`. The order of result values is\n     * determined by the order they occur in the array.The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.uniqWith(objects, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n     */\n    function uniqWith(array, comparator) {\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts an array of grouped\n     * elements and creates an array regrouping the elements to their pre-zip\n     * configuration.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.2.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     *\n     * _.unzip(zipped);\n     * // => [['a', 'b'], [1, 2], [true, false]]\n     */\n    function unzip(array) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var length = 0;\n      array = arrayFilter(array, function(group) {\n        if (isArrayLikeObject(group)) {\n          length = nativeMax(group.length, length);\n          return true;\n        }\n      });\n      return baseTimes(length, function(index) {\n        return arrayMap(array, baseProperty(index));\n      });\n    }\n\n    /**\n     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n     * how regrouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  regrouped values.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n     * // => [[1, 10, 100], [2, 20, 200]]\n     *\n     * _.unzipWith(zipped, _.add);\n     * // => [3, 30, 300]\n     */\n    function unzipWith(array, iteratee) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var result = unzip(array);\n      if (iteratee == null) {\n        return result;\n      }\n      return arrayMap(result, function(group) {\n        return apply(iteratee, undefined, group);\n      });\n    }\n\n    /**\n     * Creates an array excluding all given values using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.pull`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...*} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.xor\n     * @example\n     *\n     * _.without([2, 1, 2, 3], 1, 2);\n     * // => [3]\n     */\n    var without = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, values)\n        : [];\n    });\n\n    /**\n     * Creates an array of unique values that is the\n     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n     * of the given arrays. The order of result values is determined by the order\n     * they occur in the arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.without\n     * @example\n     *\n     * _.xor([2, 1], [2, 3]);\n     * // => [1, 3]\n     */\n    var xor = baseRest(function(arrays) {\n      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which by which they're compared. The order of result values is determined\n     * by the order they occur in the arrays. The iteratee is invoked with one\n     * argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2, 3.4]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var xorBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `comparator` which is\n     * invoked to compare elements of `arrays`. The order of result values is\n     * determined by the order they occur in the arrays. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.xorWith(objects, others, _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var xorWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n    });\n\n    /**\n     * Creates an array of grouped elements, the first of which contains the\n     * first elements of the given arrays, the second of which contains the\n     * second elements of the given arrays, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     */\n    var zip = baseRest(unzip);\n\n    /**\n     * This method is like `_.fromPairs` except that it accepts two arrays,\n     * one of property identifiers and one of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.4.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObject(['a', 'b'], [1, 2]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function zipObject(props, values) {\n      return baseZipObject(props || [], values || [], assignValue);\n    }\n\n    /**\n     * This method is like `_.zipObject` except that it supports property paths.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n     */\n    function zipObjectDeep(props, values) {\n      return baseZipObject(props || [], values || [], baseSet);\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts `iteratee` to specify\n     * how grouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  grouped values.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n     *   return a + b + c;\n     * });\n     * // => [111, 222]\n     */\n    var zipWith = baseRest(function(arrays) {\n      var length = arrays.length,\n          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n      return unzipWith(arrays, iteratee);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n     * chain sequences enabled. The result of such sequences must be unwrapped\n     * with `_#value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Seq\n     * @param {*} value The value to wrap.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36 },\n     *   { 'user': 'fred',    'age': 40 },\n     *   { 'user': 'pebbles', 'age': 1 }\n     * ];\n     *\n     * var youngest = _\n     *   .chain(users)\n     *   .sortBy('age')\n     *   .map(function(o) {\n     *     return o.user + ' is ' + o.age;\n     *   })\n     *   .head()\n     *   .value();\n     * // => 'pebbles is 1'\n     */\n    function chain(value) {\n      var result = lodash(value);\n      result.__chain__ = true;\n      return result;\n    }\n\n    /**\n     * This method invokes `interceptor` and returns `value`. The interceptor\n     * is invoked with one argument; (value). The purpose of this method is to\n     * \"tap into\" a method chain sequence in order to modify intermediate results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * _([1, 2, 3])\n     *  .tap(function(array) {\n     *    // Mutate input array.\n     *    array.pop();\n     *  })\n     *  .reverse()\n     *  .value();\n     * // => [2, 1]\n     */\n    function tap(value, interceptor) {\n      interceptor(value);\n      return value;\n    }\n\n    /**\n     * This method is like `_.tap` except that it returns the result of `interceptor`.\n     * The purpose of this method is to \"pass thru\" values replacing intermediate\n     * results in a method chain sequence.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns the result of `interceptor`.\n     * @example\n     *\n     * _('  abc  ')\n     *  .chain()\n     *  .trim()\n     *  .thru(function(value) {\n     *    return [value];\n     *  })\n     *  .value();\n     * // => ['abc']\n     */\n    function thru(value, interceptor) {\n      return interceptor(value);\n    }\n\n    /**\n     * This method is the wrapper version of `_.at`.\n     *\n     * @name at\n     * @memberOf _\n     * @since 1.0.0\n     * @category Seq\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _(object).at(['a[0].b.c', 'a[1]']).value();\n     * // => [3, 4]\n     */\n    var wrapperAt = flatRest(function(paths) {\n      var length = paths.length,\n          start = length ? paths[0] : 0,\n          value = this.__wrapped__,\n          interceptor = function(object) { return baseAt(object, paths); };\n\n      if (length > 1 || this.__actions__.length ||\n          !(value instanceof LazyWrapper) || !isIndex(start)) {\n        return this.thru(interceptor);\n      }\n      value = value.slice(start, +start + (length ? 1 : 0));\n      value.__actions__.push({\n        'func': thru,\n        'args': [interceptor],\n        'thisArg': undefined\n      });\n      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n        if (length && !array.length) {\n          array.push(undefined);\n        }\n        return array;\n      });\n    });\n\n    /**\n     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n     *\n     * @name chain\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 }\n     * ];\n     *\n     * // A sequence without explicit chaining.\n     * _(users).head();\n     * // => { 'user': 'barney', 'age': 36 }\n     *\n     * // A sequence with explicit chaining.\n     * _(users)\n     *   .chain()\n     *   .head()\n     *   .pick('user')\n     *   .value();\n     * // => { 'user': 'barney' }\n     */\n    function wrapperChain() {\n      return chain(this);\n    }\n\n    /**\n     * Executes the chain sequence and returns the wrapped result.\n     *\n     * @name commit\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2];\n     * var wrapped = _(array).push(3);\n     *\n     * console.log(array);\n     * // => [1, 2]\n     *\n     * wrapped = wrapped.commit();\n     * console.log(array);\n     * // => [1, 2, 3]\n     *\n     * wrapped.last();\n     * // => 3\n     *\n     * console.log(array);\n     * // => [1, 2, 3]\n     */\n    function wrapperCommit() {\n      return new LodashWrapper(this.value(), this.__chain__);\n    }\n\n    /**\n     * Gets the next value on a wrapped object following the\n     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n     *\n     * @name next\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the next iterator value.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 1 }\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 2 }\n     *\n     * wrapped.next();\n     * // => { 'done': true, 'value': undefined }\n     */\n    function wrapperNext() {\n      if (this.__values__ === undefined) {\n        this.__values__ = toArray(this.value());\n      }\n      var done = this.__index__ >= this.__values__.length,\n          value = done ? undefined : this.__values__[this.__index__++];\n\n      return { 'done': done, 'value': value };\n    }\n\n    /**\n     * Enables the wrapper to be iterable.\n     *\n     * @name Symbol.iterator\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the wrapper object.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped[Symbol.iterator]() === wrapped;\n     * // => true\n     *\n     * Array.from(wrapped);\n     * // => [1, 2]\n     */\n    function wrapperToIterator() {\n      return this;\n    }\n\n    /**\n     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n     *\n     * @name plant\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @param {*} value The value to plant.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2]).map(square);\n     * var other = wrapped.plant([3, 4]);\n     *\n     * other.value();\n     * // => [9, 16]\n     *\n     * wrapped.value();\n     * // => [1, 4]\n     */\n    function wrapperPlant(value) {\n      var result,\n          parent = this;\n\n      while (parent instanceof baseLodash) {\n        var clone = wrapperClone(parent);\n        clone.__index__ = 0;\n        clone.__values__ = undefined;\n        if (result) {\n          previous.__wrapped__ = clone;\n        } else {\n          result = clone;\n        }\n        var previous = clone;\n        parent = parent.__wrapped__;\n      }\n      previous.__wrapped__ = value;\n      return result;\n    }\n\n    /**\n     * This method is the wrapper version of `_.reverse`.\n     *\n     * **Note:** This method mutates the wrapped array.\n     *\n     * @name reverse\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _(array).reverse().value()\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function wrapperReverse() {\n      var value = this.__wrapped__;\n      if (value instanceof LazyWrapper) {\n        var wrapped = value;\n        if (this.__actions__.length) {\n          wrapped = new LazyWrapper(this);\n        }\n        wrapped = wrapped.reverse();\n        wrapped.__actions__.push({\n          'func': thru,\n          'args': [reverse],\n          'thisArg': undefined\n        });\n        return new LodashWrapper(wrapped, this.__chain__);\n      }\n      return this.thru(reverse);\n    }\n\n    /**\n     * Executes the chain sequence to resolve the unwrapped value.\n     *\n     * @name value\n     * @memberOf _\n     * @since 0.1.0\n     * @alias toJSON, valueOf\n     * @category Seq\n     * @returns {*} Returns the resolved unwrapped value.\n     * @example\n     *\n     * _([1, 2, 3]).value();\n     * // => [1, 2, 3]\n     */\n    function wrapperValue() {\n      return baseWrapperValue(this.__wrapped__, this.__actions__);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the number of times the key was returned by `iteratee`. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': 1, '6': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.countBy(['one', 'two', 'three'], 'length');\n     * // => { '3': 2, '5': 1 }\n     */\n    var countBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        ++result[key];\n      } else {\n        baseAssignValue(result, key, 1);\n      }\n    });\n\n    /**\n     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n     * Iteration is stopped once `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * **Note:** This method returns `true` for\n     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n     * elements of empty collections.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.every([true, 1, null, 'yes'], Boolean);\n     * // => false\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.every(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.every(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.every(users, 'active');\n     * // => false\n     */\n    function every(collection, predicate, guard) {\n      var func = isArray(collection) ? arrayEvery : baseEvery;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning an array of all elements\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * **Note:** Unlike `_.remove`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.reject\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * _.filter(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, { 'age': 36, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.filter(users, 'active');\n     * // => objects for ['barney']\n     */\n    function filter(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning the first element\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': true },\n     *   { 'user': 'fred',    'age': 40, 'active': false },\n     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n     * ];\n     *\n     * _.find(users, function(o) { return o.age < 40; });\n     * // => object for 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.find(users, { 'age': 1, 'active': true });\n     * // => object for 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.find(users, ['active', false]);\n     * // => object for 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.find(users, 'active');\n     * // => object for 'barney'\n     */\n    var find = createFind(findIndex);\n\n    /**\n     * This method is like `_.find` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=collection.length-1] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * _.findLast([1, 2, 3, 4], function(n) {\n     *   return n % 2 == 1;\n     * });\n     * // => 3\n     */\n    var findLast = createFind(findLastIndex);\n\n    /**\n     * Creates a flattened array of values by running each element in `collection`\n     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n     * with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [n, n];\n     * }\n     *\n     * _.flatMap([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMap(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), 1);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDeep([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMapDeep(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), INFINITY);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDepth([1, 2], duplicate, 2);\n     * // => [[1, 1], [2, 2]]\n     */\n    function flatMapDepth(collection, iteratee, depth) {\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(map(collection, iteratee), depth);\n    }\n\n    /**\n     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n     * The iteratee is invoked with three arguments: (value, index|key, collection).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n     * or `_.forOwn` for object iteration.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias each\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEachRight\n     * @example\n     *\n     * _.forEach([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `1` then `2`.\n     *\n     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forEach(collection, iteratee) {\n      var func = isArray(collection) ? arrayEach : baseEach;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forEach` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @alias eachRight\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEach\n     * @example\n     *\n     * _.forEachRight([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `2` then `1`.\n     */\n    function forEachRight(collection, iteratee) {\n      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The order of grouped values\n     * is determined by the order they occur in `collection`. The corresponding\n     * value of each key is an array of elements responsible for generating the\n     * key. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': [4.2], '6': [6.1, 6.3] }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.groupBy(['one', 'two', 'three'], 'length');\n     * // => { '3': ['one', 'two'], '5': ['three'] }\n     */\n    var groupBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        result[key].push(value);\n      } else {\n        baseAssignValue(result, key, [value]);\n      }\n    });\n\n    /**\n     * Checks if `value` is in `collection`. If `collection` is a string, it's\n     * checked for a substring of `value`, otherwise\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n     * the offset from the end of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n     * @example\n     *\n     * _.includes([1, 2, 3], 1);\n     * // => true\n     *\n     * _.includes([1, 2, 3], 1, 2);\n     * // => false\n     *\n     * _.includes({ 'a': 1, 'b': 2 }, 1);\n     * // => true\n     *\n     * _.includes('abcd', 'bc');\n     * // => true\n     */\n    function includes(collection, value, fromIndex, guard) {\n      collection = isArrayLike(collection) ? collection : values(collection);\n      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n      var length = collection.length;\n      if (fromIndex < 0) {\n        fromIndex = nativeMax(length + fromIndex, 0);\n      }\n      return isString(collection)\n        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n    }\n\n    /**\n     * Invokes the method at `path` of each element in `collection`, returning\n     * an array of the results of each invoked method. Any additional arguments\n     * are provided to each invoked method. If `path` is a function, it's invoked\n     * for, and `this` bound to, each element in `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array|Function|string} path The path of the method to invoke or\n     *  the function invoked per iteration.\n     * @param {...*} [args] The arguments to invoke each method with.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n     * // => [[1, 5, 7], [1, 2, 3]]\n     *\n     * _.invokeMap([123, 456], String.prototype.split, '');\n     * // => [['1', '2', '3'], ['4', '5', '6']]\n     */\n    var invokeMap = baseRest(function(collection, path, args) {\n      var index = -1,\n          isFunc = typeof path == 'function',\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value) {\n        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n      });\n      return result;\n    });\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the last element responsible for generating the key. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * var array = [\n     *   { 'dir': 'left', 'code': 97 },\n     *   { 'dir': 'right', 'code': 100 }\n     * ];\n     *\n     * _.keyBy(array, function(o) {\n     *   return String.fromCharCode(o.code);\n     * });\n     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n     *\n     * _.keyBy(array, 'dir');\n     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n     */\n    var keyBy = createAggregator(function(result, value, key) {\n      baseAssignValue(result, key, value);\n    });\n\n    /**\n     * Creates an array of values by running each element in `collection` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n     *\n     * The guarded methods are:\n     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * _.map([4, 8], square);\n     * // => [16, 64]\n     *\n     * _.map({ 'a': 4, 'b': 8 }, square);\n     * // => [16, 64] (iteration order is not guaranteed)\n     *\n     * var users = [\n     *   { 'user': 'barney' },\n     *   { 'user': 'fred' }\n     * ];\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, 'user');\n     * // => ['barney', 'fred']\n     */\n    function map(collection, iteratee) {\n      var func = isArray(collection) ? arrayMap : baseMap;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.sortBy` except that it allows specifying the sort\n     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n     * descending or \"asc\" for ascending sort order of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @param {string[]} [orders] The sort orders of `iteratees`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 34 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 36 }\n     * ];\n     *\n     * // Sort by `user` in ascending order and by `age` in descending order.\n     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     */\n    function orderBy(collection, iteratees, orders, guard) {\n      if (collection == null) {\n        return [];\n      }\n      if (!isArray(iteratees)) {\n        iteratees = iteratees == null ? [] : [iteratees];\n      }\n      orders = guard ? undefined : orders;\n      if (!isArray(orders)) {\n        orders = orders == null ? [] : [orders];\n      }\n      return baseOrderBy(collection, iteratees, orders);\n    }\n\n    /**\n     * Creates an array of elements split into two groups, the first of which\n     * contains elements `predicate` returns truthy for, the second of which\n     * contains elements `predicate` returns falsey for. The predicate is\n     * invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of grouped elements.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': false },\n     *   { 'user': 'fred',    'age': 40, 'active': true },\n     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n     * ];\n     *\n     * _.partition(users, function(o) { return o.active; });\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.partition(users, { 'age': 1, 'active': false });\n     * // => objects for [['pebbles'], ['barney', 'fred']]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.partition(users, ['active', false]);\n     * // => objects for [['barney', 'pebbles'], ['fred']]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.partition(users, 'active');\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     */\n    var partition = createAggregator(function(result, value, key) {\n      result[key ? 0 : 1].push(value);\n    }, function() { return [[], []]; });\n\n    /**\n     * Reduces `collection` to a value which is the accumulated result of running\n     * each element in `collection` thru `iteratee`, where each successive\n     * invocation is supplied the return value of the previous. If `accumulator`\n     * is not given, the first element of `collection` is used as the initial\n     * value. The iteratee is invoked with four arguments:\n     * (accumulator, value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n     *\n     * The guarded methods are:\n     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n     * and `sortBy`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduceRight\n     * @example\n     *\n     * _.reduce([1, 2], function(sum, n) {\n     *   return sum + n;\n     * }, 0);\n     * // => 3\n     *\n     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     *   return result;\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n     */\n    function reduce(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduce : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n    }\n\n    /**\n     * This method is like `_.reduce` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduce\n     * @example\n     *\n     * var array = [[0, 1], [2, 3], [4, 5]];\n     *\n     * _.reduceRight(array, function(flattened, other) {\n     *   return flattened.concat(other);\n     * }, []);\n     * // => [4, 5, 2, 3, 0, 1]\n     */\n    function reduceRight(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n    }\n\n    /**\n     * The opposite of `_.filter`; this method returns the elements of `collection`\n     * that `predicate` does **not** return truthy for.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.filter\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': true }\n     * ];\n     *\n     * _.reject(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.reject(users, { 'age': 40, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.reject(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.reject(users, 'active');\n     * // => objects for ['barney']\n     */\n    function reject(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, negate(getIteratee(predicate, 3)));\n    }\n\n    /**\n     * Gets a random element from `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     * @example\n     *\n     * _.sample([1, 2, 3, 4]);\n     * // => 2\n     */\n    function sample(collection) {\n      var func = isArray(collection) ? arraySample : baseSample;\n      return func(collection);\n    }\n\n    /**\n     * Gets `n` random elements at unique keys from `collection` up to the\n     * size of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} [n=1] The number of elements to sample.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the random elements.\n     * @example\n     *\n     * _.sampleSize([1, 2, 3], 2);\n     * // => [3, 1]\n     *\n     * _.sampleSize([1, 2, 3], 4);\n     * // => [2, 3, 1]\n     */\n    function sampleSize(collection, n, guard) {\n      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n      return func(collection, n);\n    }\n\n    /**\n     * Creates an array of shuffled values, using a version of the\n     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     * @example\n     *\n     * _.shuffle([1, 2, 3, 4]);\n     * // => [4, 1, 3, 2]\n     */\n    function shuffle(collection) {\n      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n      return func(collection);\n    }\n\n    /**\n     * Gets the size of `collection` by returning its length for array-like\n     * values or the number of own enumerable string keyed properties for objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @returns {number} Returns the collection size.\n     * @example\n     *\n     * _.size([1, 2, 3]);\n     * // => 3\n     *\n     * _.size({ 'a': 1, 'b': 2 });\n     * // => 2\n     *\n     * _.size('pebbles');\n     * // => 7\n     */\n    function size(collection) {\n      if (collection == null) {\n        return 0;\n      }\n      if (isArrayLike(collection)) {\n        return isString(collection) ? stringSize(collection) : collection.length;\n      }\n      var tag = getTag(collection);\n      if (tag == mapTag || tag == setTag) {\n        return collection.size;\n      }\n      return baseKeys(collection).length;\n    }\n\n    /**\n     * Checks if `predicate` returns truthy for **any** element of `collection`.\n     * Iteration is stopped once `predicate` returns truthy. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.some([null, 0, 'yes', false], Boolean);\n     * // => true\n     *\n     * var users = [\n     *   { 'user': 'barney', 'active': true },\n     *   { 'user': 'fred',   'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.some(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.some(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.some(users, 'active');\n     * // => true\n     */\n    function some(collection, predicate, guard) {\n      var func = isArray(collection) ? arraySome : baseSome;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Creates an array of elements, sorted in ascending order by the results of\n     * running each element in a collection thru each iteratee. This method\n     * performs a stable sort, that is, it preserves the original sort order of\n     * equal elements. The iteratees are invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 34 }\n     * ];\n     *\n     * _.sortBy(users, [function(o) { return o.user; }]);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     *\n     * _.sortBy(users, ['user', 'age']);\n     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n     */\n    var sortBy = baseRest(function(collection, iteratees) {\n      if (collection == null) {\n        return [];\n      }\n      var length = iteratees.length;\n      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n        iteratees = [];\n      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n        iteratees = [iteratees[0]];\n      }\n      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Gets the timestamp of the number of milliseconds that have elapsed since\n     * the Unix epoch (1 January 1970 00:00:00 UTC).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Date\n     * @returns {number} Returns the timestamp.\n     * @example\n     *\n     * _.defer(function(stamp) {\n     *   console.log(_.now() - stamp);\n     * }, _.now());\n     * // => Logs the number of milliseconds it took for the deferred invocation.\n     */\n    var now = ctxNow || function() {\n      return root.Date.now();\n    };\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The opposite of `_.before`; this method creates a function that invokes\n     * `func` once it's called `n` or more times.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {number} n The number of calls before `func` is invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var saves = ['profile', 'settings'];\n     *\n     * var done = _.after(saves.length, function() {\n     *   console.log('done saving!');\n     * });\n     *\n     * _.forEach(saves, function(type) {\n     *   asyncSave({ 'type': type, 'complete': done });\n     * });\n     * // => Logs 'done saving!' after the two async saves have completed.\n     */\n    function after(n, func) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n < 1) {\n          return func.apply(this, arguments);\n        }\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func`, with up to `n` arguments,\n     * ignoring any additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @param {number} [n=func.length] The arity cap.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n     * // => [6, 8, 10]\n     */\n    function ary(func, n, guard) {\n      n = guard ? undefined : n;\n      n = (func && n == null) ? func.length : n;\n      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n    }\n\n    /**\n     * Creates a function that invokes `func`, with the `this` binding and arguments\n     * of the created function, while it's called less than `n` times. Subsequent\n     * calls to the created function return the result of the last `func` invocation.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {number} n The number of calls at which `func` is no longer invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * jQuery(element).on('click', _.before(5, addContactToList));\n     * // => Allows adding up to 4 contacts to the list.\n     */\n    function before(n, func) {\n      var result;\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n > 0) {\n          result = func.apply(this, arguments);\n        }\n        if (n <= 1) {\n          func = undefined;\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n     * and `partials` prepended to the arguments it receives.\n     *\n     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n     * property of bound functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to bind.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * function greet(greeting, punctuation) {\n     *   return greeting + ' ' + this.user + punctuation;\n     * }\n     *\n     * var object = { 'user': 'fred' };\n     *\n     * var bound = _.bind(greet, object, 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bind(greet, object, _, '!');\n     * bound('hi');\n     * // => 'hi fred!'\n     */\n    var bind = baseRest(function(func, thisArg, partials) {\n      var bitmask = WRAP_BIND_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bind));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(func, bitmask, thisArg, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes the method at `object[key]` with `partials`\n     * prepended to the arguments it receives.\n     *\n     * This method differs from `_.bind` by allowing bound functions to reference\n     * methods that may be redefined or don't yet exist. See\n     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n     * for more details.\n     *\n     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Function\n     * @param {Object} object The object to invoke the method on.\n     * @param {string} key The key of the method.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * var object = {\n     *   'user': 'fred',\n     *   'greet': function(greeting, punctuation) {\n     *     return greeting + ' ' + this.user + punctuation;\n     *   }\n     * };\n     *\n     * var bound = _.bindKey(object, 'greet', 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * object.greet = function(greeting, punctuation) {\n     *   return greeting + 'ya ' + this.user + punctuation;\n     * };\n     *\n     * bound('!');\n     * // => 'hiya fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bindKey(object, 'greet', _, '!');\n     * bound('hi');\n     * // => 'hiya fred!'\n     */\n    var bindKey = baseRest(function(object, key, partials) {\n      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bindKey));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(key, bitmask, object, partials, holders);\n    });\n\n    /**\n     * Creates a function that accepts arguments of `func` and either invokes\n     * `func` returning its result, if at least `arity` number of arguments have\n     * been provided, or returns a function that accepts the remaining `func`\n     * arguments, and so on. The arity of `func` may be specified if `func.length`\n     * is not sufficient.\n     *\n     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curry(abc);\n     *\n     * curried(1)(2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(1)(_, 3)(2);\n     * // => [1, 2, 3]\n     */\n    function curry(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curry.placeholder;\n      return result;\n    }\n\n    /**\n     * This method is like `_.curry` except that arguments are applied to `func`\n     * in the manner of `_.partialRight` instead of `_.partial`.\n     *\n     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curryRight(abc);\n     *\n     * curried(3)(2)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(2, 3)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(3)(1, _)(2);\n     * // => [1, 2, 3]\n     */\n    function curryRight(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curryRight.placeholder;\n      return result;\n    }\n\n    /**\n     * Creates a debounced function that delays invoking `func` until after `wait`\n     * milliseconds have elapsed since the last time the debounced function was\n     * invoked. The debounced function comes with a `cancel` method to cancel\n     * delayed `func` invocations and a `flush` method to immediately invoke them.\n     * Provide `options` to indicate whether `func` should be invoked on the\n     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n     * with the last arguments provided to the debounced function. Subsequent\n     * calls to the debounced function return the result of the last `func`\n     * invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the debounced function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.debounce` and `_.throttle`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to debounce.\n     * @param {number} [wait=0] The number of milliseconds to delay.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=false]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {number} [options.maxWait]\n     *  The maximum time `func` is allowed to be delayed before it's invoked.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new debounced function.\n     * @example\n     *\n     * // Avoid costly calculations while the window size is in flux.\n     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n     *\n     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n     *   'leading': true,\n     *   'trailing': false\n     * }));\n     *\n     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n     * var source = new EventSource('/stream');\n     * jQuery(source).on('message', debounced);\n     *\n     * // Cancel the trailing debounced invocation.\n     * jQuery(window).on('popstate', debounced.cancel);\n     */\n    function debounce(func, wait, options) {\n      var lastArgs,\n          lastThis,\n          maxWait,\n          result,\n          timerId,\n          lastCallTime,\n          lastInvokeTime = 0,\n          leading = false,\n          maxing = false,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      wait = toNumber(wait) || 0;\n      if (isObject(options)) {\n        leading = !!options.leading;\n        maxing = 'maxWait' in options;\n        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n\n      function invokeFunc(time) {\n        var args = lastArgs,\n            thisArg = lastThis;\n\n        lastArgs = lastThis = undefined;\n        lastInvokeTime = time;\n        result = func.apply(thisArg, args);\n        return result;\n      }\n\n      function leadingEdge(time) {\n        // Reset any `maxWait` timer.\n        lastInvokeTime = time;\n        // Start the timer for the trailing edge.\n        timerId = setTimeout(timerExpired, wait);\n        // Invoke the leading edge.\n        return leading ? invokeFunc(time) : result;\n      }\n\n      function remainingWait(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime,\n            result = wait - timeSinceLastCall;\n\n        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n      }\n\n      function shouldInvoke(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime;\n\n        // Either this is the first call, activity has stopped and we're at the\n        // trailing edge, the system time has gone backwards and we're treating\n        // it as the trailing edge, or we've hit the `maxWait` limit.\n        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n      }\n\n      function timerExpired() {\n        var time = now();\n        if (shouldInvoke(time)) {\n          return trailingEdge(time);\n        }\n        // Restart the timer.\n        timerId = setTimeout(timerExpired, remainingWait(time));\n      }\n\n      function trailingEdge(time) {\n        timerId = undefined;\n\n        // Only invoke if we have `lastArgs` which means `func` has been\n        // debounced at least once.\n        if (trailing && lastArgs) {\n          return invokeFunc(time);\n        }\n        lastArgs = lastThis = undefined;\n        return result;\n      }\n\n      function cancel() {\n        if (timerId !== undefined) {\n          clearTimeout(timerId);\n        }\n        lastInvokeTime = 0;\n        lastArgs = lastCallTime = lastThis = timerId = undefined;\n      }\n\n      function flush() {\n        return timerId === undefined ? result : trailingEdge(now());\n      }\n\n      function debounced() {\n        var time = now(),\n            isInvoking = shouldInvoke(time);\n\n        lastArgs = arguments;\n        lastThis = this;\n        lastCallTime = time;\n\n        if (isInvoking) {\n          if (timerId === undefined) {\n            return leadingEdge(lastCallTime);\n          }\n          if (maxing) {\n            // Handle invocations in a tight loop.\n            timerId = setTimeout(timerExpired, wait);\n            return invokeFunc(lastCallTime);\n          }\n        }\n        if (timerId === undefined) {\n          timerId = setTimeout(timerExpired, wait);\n        }\n        return result;\n      }\n      debounced.cancel = cancel;\n      debounced.flush = flush;\n      return debounced;\n    }\n\n    /**\n     * Defers invoking the `func` until the current call stack has cleared. Any\n     * additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to defer.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.defer(function(text) {\n     *   console.log(text);\n     * }, 'deferred');\n     * // => Logs 'deferred' after one millisecond.\n     */\n    var defer = baseRest(function(func, args) {\n      return baseDelay(func, 1, args);\n    });\n\n    /**\n     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n     * provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.delay(function(text) {\n     *   console.log(text);\n     * }, 1000, 'later');\n     * // => Logs 'later' after one second.\n     */\n    var delay = baseRest(function(func, wait, args) {\n      return baseDelay(func, toNumber(wait) || 0, args);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments reversed.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to flip arguments for.\n     * @returns {Function} Returns the new flipped function.\n     * @example\n     *\n     * var flipped = _.flip(function() {\n     *   return _.toArray(arguments);\n     * });\n     *\n     * flipped('a', 'b', 'c', 'd');\n     * // => ['d', 'c', 'b', 'a']\n     */\n    function flip(func) {\n      return createWrap(func, WRAP_FLIP_FLAG);\n    }\n\n    /**\n     * Creates a function that memoizes the result of `func`. If `resolver` is\n     * provided, it determines the cache key for storing the result based on the\n     * arguments provided to the memoized function. By default, the first argument\n     * provided to the memoized function is used as the map cache key. The `func`\n     * is invoked with the `this` binding of the memoized function.\n     *\n     * **Note:** The cache is exposed as the `cache` property on the memoized\n     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n     * constructor with one whose instances implement the\n     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to have its output memoized.\n     * @param {Function} [resolver] The function to resolve the cache key.\n     * @returns {Function} Returns the new memoized function.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     * var other = { 'c': 3, 'd': 4 };\n     *\n     * var values = _.memoize(_.values);\n     * values(object);\n     * // => [1, 2]\n     *\n     * values(other);\n     * // => [3, 4]\n     *\n     * object.a = 2;\n     * values(object);\n     * // => [1, 2]\n     *\n     * // Modify the result cache.\n     * values.cache.set(object, ['a', 'b']);\n     * values(object);\n     * // => ['a', 'b']\n     *\n     * // Replace `_.memoize.Cache`.\n     * _.memoize.Cache = WeakMap;\n     */\n    function memoize(func, resolver) {\n      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var memoized = function() {\n        var args = arguments,\n            key = resolver ? resolver.apply(this, args) : args[0],\n            cache = memoized.cache;\n\n        if (cache.has(key)) {\n          return cache.get(key);\n        }\n        var result = func.apply(this, args);\n        memoized.cache = cache.set(key, result) || cache;\n        return result;\n      };\n      memoized.cache = new (memoize.Cache || MapCache);\n      return memoized;\n    }\n\n    // Expose `MapCache`.\n    memoize.Cache = MapCache;\n\n    /**\n     * Creates a function that negates the result of the predicate `func`. The\n     * `func` predicate is invoked with the `this` binding and arguments of the\n     * created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} predicate The predicate to negate.\n     * @returns {Function} Returns the new negated function.\n     * @example\n     *\n     * function isEven(n) {\n     *   return n % 2 == 0;\n     * }\n     *\n     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n     * // => [1, 3, 5]\n     */\n    function negate(predicate) {\n      if (typeof predicate != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return function() {\n        var args = arguments;\n        switch (args.length) {\n          case 0: return !predicate.call(this);\n          case 1: return !predicate.call(this, args[0]);\n          case 2: return !predicate.call(this, args[0], args[1]);\n          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n        }\n        return !predicate.apply(this, args);\n      };\n    }\n\n    /**\n     * Creates a function that is restricted to invoking `func` once. Repeat calls\n     * to the function return the value of the first invocation. The `func` is\n     * invoked with the `this` binding and arguments of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var initialize = _.once(createApplication);\n     * initialize();\n     * initialize();\n     * // => `createApplication` is invoked once\n     */\n    function once(func) {\n      return before(2, func);\n    }\n\n    /**\n     * Creates a function that invokes `func` with its arguments transformed.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to wrap.\n     * @param {...(Function|Function[])} [transforms=[_.identity]]\n     *  The argument transforms.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * function doubled(n) {\n     *   return n * 2;\n     * }\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var func = _.overArgs(function(x, y) {\n     *   return [x, y];\n     * }, [square, doubled]);\n     *\n     * func(9, 3);\n     * // => [81, 6]\n     *\n     * func(10, 5);\n     * // => [100, 10]\n     */\n    var overArgs = castRest(function(func, transforms) {\n      transforms = (transforms.length == 1 && isArray(transforms[0]))\n        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n      var funcsLength = transforms.length;\n      return baseRest(function(args) {\n        var index = -1,\n            length = nativeMin(args.length, funcsLength);\n\n        while (++index < length) {\n          args[index] = transforms[index].call(this, args[index]);\n        }\n        return apply(func, this, args);\n      });\n    });\n\n    /**\n     * Creates a function that invokes `func` with `partials` prepended to the\n     * arguments it receives. This method is like `_.bind` except it does **not**\n     * alter the `this` binding.\n     *\n     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.2.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var sayHelloTo = _.partial(greet, 'hello');\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     *\n     * // Partially applied with placeholders.\n     * var greetFred = _.partial(greet, _, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     */\n    var partial = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partial));\n      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * This method is like `_.partial` except that partially applied arguments\n     * are appended to the arguments it receives.\n     *\n     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var greetFred = _.partialRight(greet, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     *\n     * // Partially applied with placeholders.\n     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     */\n    var partialRight = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partialRight));\n      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments arranged according\n     * to the specified `indexes` where the argument value at the first index is\n     * provided as the first argument, the argument value at the second index is\n     * provided as the second argument, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to rearrange arguments for.\n     * @param {...(number|number[])} indexes The arranged argument indexes.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var rearged = _.rearg(function(a, b, c) {\n     *   return [a, b, c];\n     * }, [2, 0, 1]);\n     *\n     * rearged('b', 'c', 'a')\n     * // => ['a', 'b', 'c']\n     */\n    var rearg = flatRest(function(func, indexes) {\n      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n    });\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * created function and arguments from `start` and beyond provided as\n     * an array.\n     *\n     * **Note:** This method is based on the\n     * [rest parameter](https://mdn.io/rest_parameters).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.rest(function(what, names) {\n     *   return what + ' ' + _.initial(names).join(', ') +\n     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n     * });\n     *\n     * say('hello', 'fred', 'barney', 'pebbles');\n     * // => 'hello fred, barney, & pebbles'\n     */\n    function rest(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start === undefined ? start : toInteger(start);\n      return baseRest(func, start);\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * create function and an array of arguments much like\n     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n     *\n     * **Note:** This method is based on the\n     * [spread operator](https://mdn.io/spread_operator).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Function\n     * @param {Function} func The function to spread arguments over.\n     * @param {number} [start=0] The start position of the spread.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.spread(function(who, what) {\n     *   return who + ' says ' + what;\n     * });\n     *\n     * say(['fred', 'hello']);\n     * // => 'fred says hello'\n     *\n     * var numbers = Promise.all([\n     *   Promise.resolve(40),\n     *   Promise.resolve(36)\n     * ]);\n     *\n     * numbers.then(_.spread(function(x, y) {\n     *   return x + y;\n     * }));\n     * // => a Promise of 76\n     */\n    function spread(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n      return baseRest(function(args) {\n        var array = args[start],\n            otherArgs = castSlice(args, 0, start);\n\n        if (array) {\n          arrayPush(otherArgs, array);\n        }\n        return apply(func, this, otherArgs);\n      });\n    }\n\n    /**\n     * Creates a throttled function that only invokes `func` at most once per\n     * every `wait` milliseconds. The throttled function comes with a `cancel`\n     * method to cancel delayed `func` invocations and a `flush` method to\n     * immediately invoke them. Provide `options` to indicate whether `func`\n     * should be invoked on the leading and/or trailing edge of the `wait`\n     * timeout. The `func` is invoked with the last arguments provided to the\n     * throttled function. Subsequent calls to the throttled function return the\n     * result of the last `func` invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the throttled function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.throttle` and `_.debounce`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to throttle.\n     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=true]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new throttled function.\n     * @example\n     *\n     * // Avoid excessively updating the position while scrolling.\n     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n     *\n     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n     * jQuery(element).on('click', throttled);\n     *\n     * // Cancel the trailing throttled invocation.\n     * jQuery(window).on('popstate', throttled.cancel);\n     */\n    function throttle(func, wait, options) {\n      var leading = true,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      if (isObject(options)) {\n        leading = 'leading' in options ? !!options.leading : leading;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n      return debounce(func, wait, {\n        'leading': leading,\n        'maxWait': wait,\n        'trailing': trailing\n      });\n    }\n\n    /**\n     * Creates a function that accepts up to one argument, ignoring any\n     * additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.unary(parseInt));\n     * // => [6, 8, 10]\n     */\n    function unary(func) {\n      return ary(func, 1);\n    }\n\n    /**\n     * Creates a function that provides `value` to `wrapper` as its first\n     * argument. Any additional arguments provided to the function are appended\n     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n     * binding of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {*} value The value to wrap.\n     * @param {Function} [wrapper=identity] The wrapper function.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var p = _.wrap(_.escape, function(func, text) {\n     *   return '<p>' + func(text) + '</p>';\n     * });\n     *\n     * p('fred, barney, & pebbles');\n     * // => '<p>fred, barney, &amp; pebbles</p>'\n     */\n    function wrap(value, wrapper) {\n      return partial(castFunction(wrapper), value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Casts `value` as an array if it's not one.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Lang\n     * @param {*} value The value to inspect.\n     * @returns {Array} Returns the cast array.\n     * @example\n     *\n     * _.castArray(1);\n     * // => [1]\n     *\n     * _.castArray({ 'a': 1 });\n     * // => [{ 'a': 1 }]\n     *\n     * _.castArray('abc');\n     * // => ['abc']\n     *\n     * _.castArray(null);\n     * // => [null]\n     *\n     * _.castArray(undefined);\n     * // => [undefined]\n     *\n     * _.castArray();\n     * // => []\n     *\n     * var array = [1, 2, 3];\n     * console.log(_.castArray(array) === array);\n     * // => true\n     */\n    function castArray() {\n      if (!arguments.length) {\n        return [];\n      }\n      var value = arguments[0];\n      return isArray(value) ? value : [value];\n    }\n\n    /**\n     * Creates a shallow clone of `value`.\n     *\n     * **Note:** This method is loosely based on the\n     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n     * arrays. The own enumerable properties of `arguments` objects are cloned\n     * as plain objects. An empty object is returned for uncloneable values such\n     * as error objects, functions, DOM nodes, and WeakMaps.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeep\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var shallow = _.clone(objects);\n     * console.log(shallow[0] === objects[0]);\n     * // => true\n     */\n    function clone(value) {\n      return baseClone(value, CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.clone` except that it accepts `customizer` which\n     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n     * cloning is handled by the method instead. The `customizer` is invoked with\n     * up to four arguments; (value [, index|key, object, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeepWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(false);\n     *   }\n     * }\n     *\n     * var el = _.cloneWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 0\n     */\n    function cloneWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * This method is like `_.clone` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.clone\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var deep = _.cloneDeep(objects);\n     * console.log(deep[0] === objects[0]);\n     * // => false\n     */\n    function cloneDeep(value) {\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.cloneWith` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.cloneWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(true);\n     *   }\n     * }\n     *\n     * var el = _.cloneDeepWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 20\n     */\n    function cloneDeepWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * Checks if `object` conforms to `source` by invoking the predicate\n     * properties of `source` with the corresponding property values of `object`.\n     *\n     * **Note:** This method is equivalent to `_.conforms` when `source` is\n     * partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n     * // => true\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n     * // => false\n     */\n    function conformsTo(object, source) {\n      return source == null || baseConformsTo(object, source, keys(source));\n    }\n\n    /**\n     * Performs a\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * comparison between two values to determine if they are equivalent.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.eq(object, object);\n     * // => true\n     *\n     * _.eq(object, other);\n     * // => false\n     *\n     * _.eq('a', 'a');\n     * // => true\n     *\n     * _.eq('a', Object('a'));\n     * // => false\n     *\n     * _.eq(NaN, NaN);\n     * // => true\n     */\n    function eq(value, other) {\n      return value === other || (value !== value && other !== other);\n    }\n\n    /**\n     * Checks if `value` is greater than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     * @see _.lt\n     * @example\n     *\n     * _.gt(3, 1);\n     * // => true\n     *\n     * _.gt(3, 3);\n     * // => false\n     *\n     * _.gt(1, 3);\n     * // => false\n     */\n    var gt = createRelationalOperation(baseGt);\n\n    /**\n     * Checks if `value` is greater than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n     *  `other`, else `false`.\n     * @see _.lte\n     * @example\n     *\n     * _.gte(3, 1);\n     * // => true\n     *\n     * _.gte(3, 3);\n     * // => true\n     *\n     * _.gte(1, 3);\n     * // => false\n     */\n    var gte = createRelationalOperation(function(value, other) {\n      return value >= other;\n    });\n\n    /**\n     * Checks if `value` is likely an `arguments` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArguments(function() { return arguments; }());\n     * // => true\n     *\n     * _.isArguments([1, 2, 3]);\n     * // => false\n     */\n    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n        !propertyIsEnumerable.call(value, 'callee');\n    };\n\n    /**\n     * Checks if `value` is classified as an `Array` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n     * @example\n     *\n     * _.isArray([1, 2, 3]);\n     * // => true\n     *\n     * _.isArray(document.body.children);\n     * // => false\n     *\n     * _.isArray('abc');\n     * // => false\n     *\n     * _.isArray(_.noop);\n     * // => false\n     */\n    var isArray = Array.isArray;\n\n    /**\n     * Checks if `value` is classified as an `ArrayBuffer` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     * @example\n     *\n     * _.isArrayBuffer(new ArrayBuffer(2));\n     * // => true\n     *\n     * _.isArrayBuffer(new Array(2));\n     * // => false\n     */\n    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n    /**\n     * Checks if `value` is array-like. A value is considered array-like if it's\n     * not a function and has a `value.length` that's an integer greater than or\n     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n     * @example\n     *\n     * _.isArrayLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLike(document.body.children);\n     * // => true\n     *\n     * _.isArrayLike('abc');\n     * // => true\n     *\n     * _.isArrayLike(_.noop);\n     * // => false\n     */\n    function isArrayLike(value) {\n      return value != null && isLength(value.length) && !isFunction(value);\n    }\n\n    /**\n     * This method is like `_.isArrayLike` except that it also checks if `value`\n     * is an object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array-like object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArrayLikeObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLikeObject(document.body.children);\n     * // => true\n     *\n     * _.isArrayLikeObject('abc');\n     * // => false\n     *\n     * _.isArrayLikeObject(_.noop);\n     * // => false\n     */\n    function isArrayLikeObject(value) {\n      return isObjectLike(value) && isArrayLike(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a boolean primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n     * @example\n     *\n     * _.isBoolean(false);\n     * // => true\n     *\n     * _.isBoolean(null);\n     * // => false\n     */\n    function isBoolean(value) {\n      return value === true || value === false ||\n        (isObjectLike(value) && baseGetTag(value) == boolTag);\n    }\n\n    /**\n     * Checks if `value` is a buffer.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n     * @example\n     *\n     * _.isBuffer(new Buffer(2));\n     * // => true\n     *\n     * _.isBuffer(new Uint8Array(2));\n     * // => false\n     */\n    var isBuffer = nativeIsBuffer || stubFalse;\n\n    /**\n     * Checks if `value` is classified as a `Date` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     * @example\n     *\n     * _.isDate(new Date);\n     * // => true\n     *\n     * _.isDate('Mon April 23 2012');\n     * // => false\n     */\n    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n    /**\n     * Checks if `value` is likely a DOM element.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n     * @example\n     *\n     * _.isElement(document.body);\n     * // => true\n     *\n     * _.isElement('<body>');\n     * // => false\n     */\n    function isElement(value) {\n      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n    }\n\n    /**\n     * Checks if `value` is an empty object, collection, map, or set.\n     *\n     * Objects are considered empty if they have no own enumerable string keyed\n     * properties.\n     *\n     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n     * jQuery-like collections are considered empty if they have a `length` of `0`.\n     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n     * @example\n     *\n     * _.isEmpty(null);\n     * // => true\n     *\n     * _.isEmpty(true);\n     * // => true\n     *\n     * _.isEmpty(1);\n     * // => true\n     *\n     * _.isEmpty([1, 2, 3]);\n     * // => false\n     *\n     * _.isEmpty({ 'a': 1 });\n     * // => false\n     */\n    function isEmpty(value) {\n      if (value == null) {\n        return true;\n      }\n      if (isArrayLike(value) &&\n          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n        return !value.length;\n      }\n      var tag = getTag(value);\n      if (tag == mapTag || tag == setTag) {\n        return !value.size;\n      }\n      if (isPrototype(value)) {\n        return !baseKeys(value).length;\n      }\n      for (var key in value) {\n        if (hasOwnProperty.call(value, key)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * Performs a deep comparison between two values to determine if they are\n     * equivalent.\n     *\n     * **Note:** This method supports comparing arrays, array buffers, booleans,\n     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n     * by their own, not inherited, enumerable properties. Functions and DOM\n     * nodes are compared by strict equality, i.e. `===`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.isEqual(object, other);\n     * // => true\n     *\n     * object === other;\n     * // => false\n     */\n    function isEqual(value, other) {\n      return baseIsEqual(value, other);\n    }\n\n    /**\n     * This method is like `_.isEqual` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with up to\n     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, othValue) {\n     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var array = ['hello', 'goodbye'];\n     * var other = ['hi', 'goodbye'];\n     *\n     * _.isEqualWith(array, other, customizer);\n     * // => true\n     */\n    function isEqualWith(value, other, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      var result = customizer ? customizer(value, other) : undefined;\n      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n    }\n\n    /**\n     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n     * `SyntaxError`, `TypeError`, or `URIError` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n     * @example\n     *\n     * _.isError(new Error);\n     * // => true\n     *\n     * _.isError(Error);\n     * // => false\n     */\n    function isError(value) {\n      if (!isObjectLike(value)) {\n        return false;\n      }\n      var tag = baseGetTag(value);\n      return tag == errorTag || tag == domExcTag ||\n        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n    }\n\n    /**\n     * Checks if `value` is a finite primitive number.\n     *\n     * **Note:** This method is based on\n     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n     * @example\n     *\n     * _.isFinite(3);\n     * // => true\n     *\n     * _.isFinite(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isFinite(Infinity);\n     * // => false\n     *\n     * _.isFinite('3');\n     * // => false\n     */\n    function isFinite(value) {\n      return typeof value == 'number' && nativeIsFinite(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Function` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n     * @example\n     *\n     * _.isFunction(_);\n     * // => true\n     *\n     * _.isFunction(/abc/);\n     * // => false\n     */\n    function isFunction(value) {\n      if (!isObject(value)) {\n        return false;\n      }\n      // The use of `Object#toString` avoids issues with the `typeof` operator\n      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n      var tag = baseGetTag(value);\n      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n    }\n\n    /**\n     * Checks if `value` is an integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n     * @example\n     *\n     * _.isInteger(3);\n     * // => true\n     *\n     * _.isInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isInteger(Infinity);\n     * // => false\n     *\n     * _.isInteger('3');\n     * // => false\n     */\n    function isInteger(value) {\n      return typeof value == 'number' && value == toInteger(value);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like length.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n     * @example\n     *\n     * _.isLength(3);\n     * // => true\n     *\n     * _.isLength(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isLength(Infinity);\n     * // => false\n     *\n     * _.isLength('3');\n     * // => false\n     */\n    function isLength(value) {\n      return typeof value == 'number' &&\n        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is the\n     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n     * @example\n     *\n     * _.isObject({});\n     * // => true\n     *\n     * _.isObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isObject(_.noop);\n     * // => true\n     *\n     * _.isObject(null);\n     * // => false\n     */\n    function isObject(value) {\n      var type = typeof value;\n      return value != null && (type == 'object' || type == 'function');\n    }\n\n    /**\n     * Checks if `value` is object-like. A value is object-like if it's not `null`\n     * and has a `typeof` result of \"object\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n     * @example\n     *\n     * _.isObjectLike({});\n     * // => true\n     *\n     * _.isObjectLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isObjectLike(_.noop);\n     * // => false\n     *\n     * _.isObjectLike(null);\n     * // => false\n     */\n    function isObjectLike(value) {\n      return value != null && typeof value == 'object';\n    }\n\n    /**\n     * Checks if `value` is classified as a `Map` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     * @example\n     *\n     * _.isMap(new Map);\n     * // => true\n     *\n     * _.isMap(new WeakMap);\n     * // => false\n     */\n    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n    /**\n     * Performs a partial deep comparison between `object` and `source` to\n     * determine if `object` contains equivalent property values.\n     *\n     * **Note:** This method is equivalent to `_.matches` when `source` is\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.isMatch(object, { 'b': 2 });\n     * // => true\n     *\n     * _.isMatch(object, { 'b': 1 });\n     * // => false\n     */\n    function isMatch(object, source) {\n      return object === source || baseIsMatch(object, source, getMatchData(source));\n    }\n\n    /**\n     * This method is like `_.isMatch` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with five\n     * arguments: (objValue, srcValue, index|key, object, source).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var object = { 'greeting': 'hello' };\n     * var source = { 'greeting': 'hi' };\n     *\n     * _.isMatchWith(object, source, customizer);\n     * // => true\n     */\n    function isMatchWith(object, source, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseIsMatch(object, source, getMatchData(source), customizer);\n    }\n\n    /**\n     * Checks if `value` is `NaN`.\n     *\n     * **Note:** This method is based on\n     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n     * `undefined` and other non-number values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n     * @example\n     *\n     * _.isNaN(NaN);\n     * // => true\n     *\n     * _.isNaN(new Number(NaN));\n     * // => true\n     *\n     * isNaN(undefined);\n     * // => true\n     *\n     * _.isNaN(undefined);\n     * // => false\n     */\n    function isNaN(value) {\n      // An `NaN` primitive is the only value that is not equal to itself.\n      // Perform the `toStringTag` check first to avoid errors with some\n      // ActiveX objects in IE.\n      return isNumber(value) && value != +value;\n    }\n\n    /**\n     * Checks if `value` is a pristine native function.\n     *\n     * **Note:** This method can't reliably detect native functions in the presence\n     * of the core-js package because core-js circumvents this kind of detection.\n     * Despite multiple requests, the core-js maintainer has made it clear: any\n     * attempt to fix the detection will be obstructed. As a result, we're left\n     * with little choice but to throw an error. Unfortunately, this also affects\n     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n     * which rely on core-js.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     * @example\n     *\n     * _.isNative(Array.prototype.push);\n     * // => true\n     *\n     * _.isNative(_);\n     * // => false\n     */\n    function isNative(value) {\n      if (isMaskable(value)) {\n        throw new Error(CORE_ERROR_TEXT);\n      }\n      return baseIsNative(value);\n    }\n\n    /**\n     * Checks if `value` is `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n     * @example\n     *\n     * _.isNull(null);\n     * // => true\n     *\n     * _.isNull(void 0);\n     * // => false\n     */\n    function isNull(value) {\n      return value === null;\n    }\n\n    /**\n     * Checks if `value` is `null` or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n     * @example\n     *\n     * _.isNil(null);\n     * // => true\n     *\n     * _.isNil(void 0);\n     * // => true\n     *\n     * _.isNil(NaN);\n     * // => false\n     */\n    function isNil(value) {\n      return value == null;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Number` primitive or object.\n     *\n     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n     * classified as numbers, use the `_.isFinite` method.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n     * @example\n     *\n     * _.isNumber(3);\n     * // => true\n     *\n     * _.isNumber(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isNumber(Infinity);\n     * // => true\n     *\n     * _.isNumber('3');\n     * // => false\n     */\n    function isNumber(value) {\n      return typeof value == 'number' ||\n        (isObjectLike(value) && baseGetTag(value) == numberTag);\n    }\n\n    /**\n     * Checks if `value` is a plain object, that is, an object created by the\n     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.8.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * _.isPlainObject(new Foo);\n     * // => false\n     *\n     * _.isPlainObject([1, 2, 3]);\n     * // => false\n     *\n     * _.isPlainObject({ 'x': 0, 'y': 0 });\n     * // => true\n     *\n     * _.isPlainObject(Object.create(null));\n     * // => true\n     */\n    function isPlainObject(value) {\n      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n        return false;\n      }\n      var proto = getPrototype(value);\n      if (proto === null) {\n        return true;\n      }\n      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n        funcToString.call(Ctor) == objectCtorString;\n    }\n\n    /**\n     * Checks if `value` is classified as a `RegExp` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     * @example\n     *\n     * _.isRegExp(/abc/);\n     * // => true\n     *\n     * _.isRegExp('/abc/');\n     * // => false\n     */\n    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n    /**\n     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n     * double precision number which isn't the result of a rounded unsafe integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n     * @example\n     *\n     * _.isSafeInteger(3);\n     * // => true\n     *\n     * _.isSafeInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isSafeInteger(Infinity);\n     * // => false\n     *\n     * _.isSafeInteger('3');\n     * // => false\n     */\n    function isSafeInteger(value) {\n      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Set` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     * @example\n     *\n     * _.isSet(new Set);\n     * // => true\n     *\n     * _.isSet(new WeakSet);\n     * // => false\n     */\n    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n    /**\n     * Checks if `value` is classified as a `String` primitive or object.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n     * @example\n     *\n     * _.isString('abc');\n     * // => true\n     *\n     * _.isString(1);\n     * // => false\n     */\n    function isString(value) {\n      return typeof value == 'string' ||\n        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Symbol` primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n     * @example\n     *\n     * _.isSymbol(Symbol.iterator);\n     * // => true\n     *\n     * _.isSymbol('abc');\n     * // => false\n     */\n    function isSymbol(value) {\n      return typeof value == 'symbol' ||\n        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a typed array.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     * @example\n     *\n     * _.isTypedArray(new Uint8Array);\n     * // => true\n     *\n     * _.isTypedArray([]);\n     * // => false\n     */\n    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n    /**\n     * Checks if `value` is `undefined`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n     * @example\n     *\n     * _.isUndefined(void 0);\n     * // => true\n     *\n     * _.isUndefined(null);\n     * // => false\n     */\n    function isUndefined(value) {\n      return value === undefined;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakMap` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n     * @example\n     *\n     * _.isWeakMap(new WeakMap);\n     * // => true\n     *\n     * _.isWeakMap(new Map);\n     * // => false\n     */\n    function isWeakMap(value) {\n      return isObjectLike(value) && getTag(value) == weakMapTag;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakSet` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n     * @example\n     *\n     * _.isWeakSet(new WeakSet);\n     * // => true\n     *\n     * _.isWeakSet(new Set);\n     * // => false\n     */\n    function isWeakSet(value) {\n      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n    }\n\n    /**\n     * Checks if `value` is less than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     * @see _.gt\n     * @example\n     *\n     * _.lt(1, 3);\n     * // => true\n     *\n     * _.lt(3, 3);\n     * // => false\n     *\n     * _.lt(3, 1);\n     * // => false\n     */\n    var lt = createRelationalOperation(baseLt);\n\n    /**\n     * Checks if `value` is less than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than or equal to\n     *  `other`, else `false`.\n     * @see _.gte\n     * @example\n     *\n     * _.lte(1, 3);\n     * // => true\n     *\n     * _.lte(3, 3);\n     * // => true\n     *\n     * _.lte(3, 1);\n     * // => false\n     */\n    var lte = createRelationalOperation(function(value, other) {\n      return value <= other;\n    });\n\n    /**\n     * Converts `value` to an array.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the converted array.\n     * @example\n     *\n     * _.toArray({ 'a': 1, 'b': 2 });\n     * // => [1, 2]\n     *\n     * _.toArray('abc');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toArray(1);\n     * // => []\n     *\n     * _.toArray(null);\n     * // => []\n     */\n    function toArray(value) {\n      if (!value) {\n        return [];\n      }\n      if (isArrayLike(value)) {\n        return isString(value) ? stringToArray(value) : copyArray(value);\n      }\n      if (symIterator && value[symIterator]) {\n        return iteratorToArray(value[symIterator]());\n      }\n      var tag = getTag(value),\n          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n      return func(value);\n    }\n\n    /**\n     * Converts `value` to a finite number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.12.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted number.\n     * @example\n     *\n     * _.toFinite(3.2);\n     * // => 3.2\n     *\n     * _.toFinite(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toFinite(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toFinite('3.2');\n     * // => 3.2\n     */\n    function toFinite(value) {\n      if (!value) {\n        return value === 0 ? value : 0;\n      }\n      value = toNumber(value);\n      if (value === INFINITY || value === -INFINITY) {\n        var sign = (value < 0 ? -1 : 1);\n        return sign * MAX_INTEGER;\n      }\n      return value === value ? value : 0;\n    }\n\n    /**\n     * Converts `value` to an integer.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toInteger(3.2);\n     * // => 3\n     *\n     * _.toInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toInteger(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toInteger('3.2');\n     * // => 3\n     */\n    function toInteger(value) {\n      var result = toFinite(value),\n          remainder = result % 1;\n\n      return result === result ? (remainder ? result - remainder : result) : 0;\n    }\n\n    /**\n     * Converts `value` to an integer suitable for use as the length of an\n     * array-like object.\n     *\n     * **Note:** This method is based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toLength(3.2);\n     * // => 3\n     *\n     * _.toLength(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toLength(Infinity);\n     * // => 4294967295\n     *\n     * _.toLength('3.2');\n     * // => 3\n     */\n    function toLength(value) {\n      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n    }\n\n    /**\n     * Converts `value` to a number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     * @example\n     *\n     * _.toNumber(3.2);\n     * // => 3.2\n     *\n     * _.toNumber(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toNumber(Infinity);\n     * // => Infinity\n     *\n     * _.toNumber('3.2');\n     * // => 3.2\n     */\n    function toNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      if (isObject(value)) {\n        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n        value = isObject(other) ? (other + '') : other;\n      }\n      if (typeof value != 'string') {\n        return value === 0 ? value : +value;\n      }\n      value = value.replace(reTrim, '');\n      var isBinary = reIsBinary.test(value);\n      return (isBinary || reIsOctal.test(value))\n        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n        : (reIsBadHex.test(value) ? NAN : +value);\n    }\n\n    /**\n     * Converts `value` to a plain object flattening inherited enumerable string\n     * keyed properties of `value` to own properties of the plain object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Object} Returns the converted plain object.\n     * @example\n     *\n     * function Foo() {\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.assign({ 'a': 1 }, new Foo);\n     * // => { 'a': 1, 'b': 2 }\n     *\n     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n     * // => { 'a': 1, 'b': 2, 'c': 3 }\n     */\n    function toPlainObject(value) {\n      return copyObject(value, keysIn(value));\n    }\n\n    /**\n     * Converts `value` to a safe integer. A safe integer can be compared and\n     * represented correctly.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toSafeInteger(3.2);\n     * // => 3\n     *\n     * _.toSafeInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toSafeInteger(Infinity);\n     * // => 9007199254740991\n     *\n     * _.toSafeInteger('3.2');\n     * // => 3\n     */\n    function toSafeInteger(value) {\n      return value\n        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n        : (value === 0 ? value : 0);\n    }\n\n    /**\n     * Converts `value` to a string. An empty string is returned for `null`\n     * and `undefined` values. The sign of `-0` is preserved.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.toString(null);\n     * // => ''\n     *\n     * _.toString(-0);\n     * // => '-0'\n     *\n     * _.toString([1, 2, 3]);\n     * // => '1,2,3'\n     */\n    function toString(value) {\n      return value == null ? '' : baseToString(value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Assigns own enumerable string keyed properties of source objects to the\n     * destination object. Source objects are applied from left to right.\n     * Subsequent sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object` and is loosely based on\n     * [`Object.assign`](https://mdn.io/Object/assign).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assignIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assign({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var assign = createAssigner(function(object, source) {\n      if (isPrototype(source) || isArrayLike(source)) {\n        copyObject(source, keys(source), object);\n        return;\n      }\n      for (var key in source) {\n        if (hasOwnProperty.call(source, key)) {\n          assignValue(object, key, source[key]);\n        }\n      }\n    });\n\n    /**\n     * This method is like `_.assign` except that it iterates over own and\n     * inherited source properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extend\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assign\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n     */\n    var assignIn = createAssigner(function(object, source) {\n      copyObject(source, keysIn(source), object);\n    });\n\n    /**\n     * This method is like `_.assignIn` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extendWith\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignInWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keysIn(source), object, customizer);\n    });\n\n    /**\n     * This method is like `_.assign` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignInWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keys(source), object, customizer);\n    });\n\n    /**\n     * Creates an array of values corresponding to `paths` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Array} Returns the picked values.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _.at(object, ['a[0].b.c', 'a[1]']);\n     * // => [3, 4]\n     */\n    var at = flatRest(baseAt);\n\n    /**\n     * Creates an object that inherits from the `prototype` object. If a\n     * `properties` object is given, its own enumerable string keyed properties\n     * are assigned to the created object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Object\n     * @param {Object} prototype The object to inherit from.\n     * @param {Object} [properties] The properties to assign to the object.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * function Shape() {\n     *   this.x = 0;\n     *   this.y = 0;\n     * }\n     *\n     * function Circle() {\n     *   Shape.call(this);\n     * }\n     *\n     * Circle.prototype = _.create(Shape.prototype, {\n     *   'constructor': Circle\n     * });\n     *\n     * var circle = new Circle;\n     * circle instanceof Circle;\n     * // => true\n     *\n     * circle instanceof Shape;\n     * // => true\n     */\n    function create(prototype, properties) {\n      var result = baseCreate(prototype);\n      return properties == null ? result : baseAssign(result, properties);\n    }\n\n    /**\n     * Assigns own and inherited enumerable string keyed properties of source\n     * objects to the destination object for all destination properties that\n     * resolve to `undefined`. Source objects are applied from left to right.\n     * Once a property is set, additional values of the same property are ignored.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaultsDeep\n     * @example\n     *\n     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var defaults = baseRest(function(args) {\n      args.push(undefined, customDefaultsAssignIn);\n      return apply(assignInWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.defaults` except that it recursively assigns\n     * default properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaults\n     * @example\n     *\n     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n     * // => { 'a': { 'b': 2, 'c': 3 } }\n     */\n    var defaultsDeep = baseRest(function(args) {\n      args.push(undefined, customDefaultsMerge);\n      return apply(mergeWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.find` except that it returns the key of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findKey(users, function(o) { return o.age < 40; });\n     * // => 'barney' (iteration order is not guaranteed)\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findKey(users, { 'age': 1, 'active': true });\n     * // => 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findKey(users, 'active');\n     * // => 'barney'\n     */\n    function findKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n    }\n\n    /**\n     * This method is like `_.findKey` except that it iterates over elements of\n     * a collection in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findLastKey(users, function(o) { return o.age < 40; });\n     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastKey(users, { 'age': 36, 'active': true });\n     * // => 'barney'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastKey(users, 'active');\n     * // => 'pebbles'\n     */\n    function findLastKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n    }\n\n    /**\n     * Iterates over own and inherited enumerable string keyed properties of an\n     * object and invokes `iteratee` for each property. The iteratee is invoked\n     * with three arguments: (value, key, object). Iteratee functions may exit\n     * iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forInRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forIn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n     */\n    function forIn(object, iteratee) {\n      return object == null\n        ? object\n        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * This method is like `_.forIn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forInRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n     */\n    function forInRight(object, iteratee) {\n      return object == null\n        ? object\n        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * Iterates over own enumerable string keyed properties of an object and\n     * invokes `iteratee` for each property. The iteratee is invoked with three\n     * arguments: (value, key, object). Iteratee functions may exit iteration\n     * early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwnRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forOwn(object, iteratee) {\n      return object && baseForOwn(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forOwn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwnRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n     */\n    function forOwnRight(object, iteratee) {\n      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an array of function property names from own enumerable properties\n     * of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functionsIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functions(new Foo);\n     * // => ['a', 'b']\n     */\n    function functions(object) {\n      return object == null ? [] : baseFunctions(object, keys(object));\n    }\n\n    /**\n     * Creates an array of function property names from own and inherited\n     * enumerable properties of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functions\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functionsIn(new Foo);\n     * // => ['a', 'b', 'c']\n     */\n    function functionsIn(object) {\n      return object == null ? [] : baseFunctions(object, keysIn(object));\n    }\n\n    /**\n     * Gets the value at `path` of `object`. If the resolved value is\n     * `undefined`, the `defaultValue` is returned in its place.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.get(object, 'a[0].b.c');\n     * // => 3\n     *\n     * _.get(object, ['a', '0', 'b', 'c']);\n     * // => 3\n     *\n     * _.get(object, 'a.b.c', 'default');\n     * // => 'default'\n     */\n    function get(object, path, defaultValue) {\n      var result = object == null ? undefined : baseGet(object, path);\n      return result === undefined ? defaultValue : result;\n    }\n\n    /**\n     * Checks if `path` is a direct property of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = { 'a': { 'b': 2 } };\n     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.has(object, 'a');\n     * // => true\n     *\n     * _.has(object, 'a.b');\n     * // => true\n     *\n     * _.has(object, ['a', 'b']);\n     * // => true\n     *\n     * _.has(other, 'a');\n     * // => false\n     */\n    function has(object, path) {\n      return object != null && hasPath(object, path, baseHas);\n    }\n\n    /**\n     * Checks if `path` is a direct or inherited property of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.hasIn(object, 'a');\n     * // => true\n     *\n     * _.hasIn(object, 'a.b');\n     * // => true\n     *\n     * _.hasIn(object, ['a', 'b']);\n     * // => true\n     *\n     * _.hasIn(object, 'b');\n     * // => false\n     */\n    function hasIn(object, path) {\n      return object != null && hasPath(object, path, baseHasIn);\n    }\n\n    /**\n     * Creates an object composed of the inverted keys and values of `object`.\n     * If `object` contains duplicate values, subsequent values overwrite\n     * property assignments of previous values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invert(object);\n     * // => { '1': 'c', '2': 'b' }\n     */\n    var invert = createInverter(function(result, value, key) {\n      result[value] = key;\n    }, constant(identity));\n\n    /**\n     * This method is like `_.invert` except that the inverted object is generated\n     * from the results of running each element of `object` thru `iteratee`. The\n     * corresponding inverted value of each inverted key is an array of keys\n     * responsible for generating the inverted value. The iteratee is invoked\n     * with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invertBy(object);\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     *\n     * _.invertBy(object, function(value) {\n     *   return 'group' + value;\n     * });\n     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n     */\n    var invertBy = createInverter(function(result, value, key) {\n      if (hasOwnProperty.call(result, value)) {\n        result[value].push(key);\n      } else {\n        result[value] = [key];\n      }\n    }, getIteratee);\n\n    /**\n     * Invokes the method at `path` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n     *\n     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n     * // => [2, 3]\n     */\n    var invoke = baseRest(baseInvoke);\n\n    /**\n     * Creates an array of the own enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects. See the\n     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * for more details.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keys(new Foo);\n     * // => ['a', 'b'] (iteration order is not guaranteed)\n     *\n     * _.keys('hi');\n     * // => ['0', '1']\n     */\n    function keys(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keysIn(new Foo);\n     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n     */\n    function keysIn(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n    }\n\n    /**\n     * The opposite of `_.mapValues`; this method creates an object with the\n     * same values as `object` and keys generated by running each own enumerable\n     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n     * with three arguments: (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapValues\n     * @example\n     *\n     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   return key + value;\n     * });\n     * // => { 'a1': 1, 'b2': 2 }\n     */\n    function mapKeys(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, iteratee(value, key, object), value);\n      });\n      return result;\n    }\n\n    /**\n     * Creates an object with the same keys as `object` and values generated\n     * by running each own enumerable string keyed property of `object` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapKeys\n     * @example\n     *\n     * var users = {\n     *   'fred':    { 'user': 'fred',    'age': 40 },\n     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n     * };\n     *\n     * _.mapValues(users, function(o) { return o.age; });\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.mapValues(users, 'age');\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     */\n    function mapValues(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, key, iteratee(value, key, object));\n      });\n      return result;\n    }\n\n    /**\n     * This method is like `_.assign` except that it recursively merges own and\n     * inherited enumerable string keyed properties of source objects into the\n     * destination object. Source properties that resolve to `undefined` are\n     * skipped if a destination value exists. Array and plain object properties\n     * are merged recursively. Other objects and value types are overridden by\n     * assignment. Source objects are applied from left to right. Subsequent\n     * sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {\n     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n     * };\n     *\n     * var other = {\n     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n     * };\n     *\n     * _.merge(object, other);\n     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n     */\n    var merge = createAssigner(function(object, source, srcIndex) {\n      baseMerge(object, source, srcIndex);\n    });\n\n    /**\n     * This method is like `_.merge` except that it accepts `customizer` which\n     * is invoked to produce the merged values of the destination and source\n     * properties. If `customizer` returns `undefined`, merging is handled by the\n     * method instead. The `customizer` is invoked with six arguments:\n     * (objValue, srcValue, key, object, source, stack).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} customizer The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (_.isArray(objValue)) {\n     *     return objValue.concat(srcValue);\n     *   }\n     * }\n     *\n     * var object = { 'a': [1], 'b': [2] };\n     * var other = { 'a': [3], 'b': [4] };\n     *\n     * _.mergeWith(object, other, customizer);\n     * // => { 'a': [1, 3], 'b': [2, 4] }\n     */\n    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n      baseMerge(object, source, srcIndex, customizer);\n    });\n\n    /**\n     * The opposite of `_.pick`; this method creates an object composed of the\n     * own and inherited enumerable property paths of `object` that are not omitted.\n     *\n     * **Note:** This method is considerably slower than `_.pick`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to omit.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omit(object, ['a', 'c']);\n     * // => { 'b': '2' }\n     */\n    var omit = flatRest(function(object, paths) {\n      var result = {};\n      if (object == null) {\n        return result;\n      }\n      var isDeep = false;\n      paths = arrayMap(paths, function(path) {\n        path = castPath(path, object);\n        isDeep || (isDeep = path.length > 1);\n        return path;\n      });\n      copyObject(object, getAllKeysIn(object), result);\n      if (isDeep) {\n        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n      }\n      var length = paths.length;\n      while (length--) {\n        baseUnset(result, paths[length]);\n      }\n      return result;\n    });\n\n    /**\n     * The opposite of `_.pickBy`; this method creates an object composed of\n     * the own and inherited enumerable string keyed properties of `object` that\n     * `predicate` doesn't return truthy for. The predicate is invoked with two\n     * arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omitBy(object, _.isNumber);\n     * // => { 'b': '2' }\n     */\n    function omitBy(object, predicate) {\n      return pickBy(object, negate(getIteratee(predicate)));\n    }\n\n    /**\n     * Creates an object composed of the picked `object` properties.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pick(object, ['a', 'c']);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var pick = flatRest(function(object, paths) {\n      return object == null ? {} : basePick(object, paths);\n    });\n\n    /**\n     * Creates an object composed of the `object` properties `predicate` returns\n     * truthy for. The predicate is invoked with two arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pickBy(object, _.isNumber);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    function pickBy(object, predicate) {\n      if (object == null) {\n        return {};\n      }\n      var props = arrayMap(getAllKeysIn(object), function(prop) {\n        return [prop];\n      });\n      predicate = getIteratee(predicate);\n      return basePickBy(object, props, function(value, path) {\n        return predicate(value, path[0]);\n      });\n    }\n\n    /**\n     * This method is like `_.get` except that if the resolved value is a\n     * function it's invoked with the `this` binding of its parent object and\n     * its result is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to resolve.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n     *\n     * _.result(object, 'a[0].b.c1');\n     * // => 3\n     *\n     * _.result(object, 'a[0].b.c2');\n     * // => 4\n     *\n     * _.result(object, 'a[0].b.c3', 'default');\n     * // => 'default'\n     *\n     * _.result(object, 'a[0].b.c3', _.constant('default'));\n     * // => 'default'\n     */\n    function result(object, path, defaultValue) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length;\n\n      // Ensure the loop is entered when path is empty.\n      if (!length) {\n        length = 1;\n        object = undefined;\n      }\n      while (++index < length) {\n        var value = object == null ? undefined : object[toKey(path[index])];\n        if (value === undefined) {\n          index = length;\n          value = defaultValue;\n        }\n        object = isFunction(value) ? value.call(object) : value;\n      }\n      return object;\n    }\n\n    /**\n     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n     * it's created. Arrays are created for missing index properties while objects\n     * are created for all other missing properties. Use `_.setWith` to customize\n     * `path` creation.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.set(object, 'a[0].b.c', 4);\n     * console.log(object.a[0].b.c);\n     * // => 4\n     *\n     * _.set(object, ['x', '0', 'y', 'z'], 5);\n     * console.log(object.x[0].y.z);\n     * // => 5\n     */\n    function set(object, path, value) {\n      return object == null ? object : baseSet(object, path, value);\n    }\n\n    /**\n     * This method is like `_.set` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.setWith(object, '[0][1]', 'a', Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function setWith(object, path, value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseSet(object, path, value, customizer);\n    }\n\n    /**\n     * Creates an array of own enumerable string keyed-value pairs for `object`\n     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n     * entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entries\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairs(new Foo);\n     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n     */\n    var toPairs = createToPairs(keys);\n\n    /**\n     * Creates an array of own and inherited enumerable string keyed-value pairs\n     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n     * or set, its entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entriesIn\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairsIn(new Foo);\n     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n     */\n    var toPairsIn = createToPairs(keysIn);\n\n    /**\n     * An alternative to `_.reduce`; this method transforms `object` to a new\n     * `accumulator` object which is the result of running each of its own\n     * enumerable string keyed properties thru `iteratee`, with each invocation\n     * potentially mutating the `accumulator` object. If `accumulator` is not\n     * provided, a new object with the same `[[Prototype]]` will be used. The\n     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The custom accumulator value.\n     * @returns {*} Returns the accumulated value.\n     * @example\n     *\n     * _.transform([2, 3, 4], function(result, n) {\n     *   result.push(n *= n);\n     *   return n % 2 == 0;\n     * }, []);\n     * // => [4, 9]\n     *\n     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     */\n    function transform(object, iteratee, accumulator) {\n      var isArr = isArray(object),\n          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n      iteratee = getIteratee(iteratee, 4);\n      if (accumulator == null) {\n        var Ctor = object && object.constructor;\n        if (isArrLike) {\n          accumulator = isArr ? new Ctor : [];\n        }\n        else if (isObject(object)) {\n          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n        }\n        else {\n          accumulator = {};\n        }\n      }\n      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n        return iteratee(accumulator, value, index, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * Removes the property at `path` of `object`.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n     * _.unset(object, 'a[0].b.c');\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     *\n     * _.unset(object, ['a', '0', 'b', 'c']);\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     */\n    function unset(object, path) {\n      return object == null ? true : baseUnset(object, path);\n    }\n\n    /**\n     * This method is like `_.set` except that accepts `updater` to produce the\n     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n     * is invoked with one argument: (value).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n     * console.log(object.a[0].b.c);\n     * // => 9\n     *\n     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n     * console.log(object.x[0].y.z);\n     * // => 0\n     */\n    function update(object, path, updater) {\n      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n    }\n\n    /**\n     * This method is like `_.update` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function updateWith(object, path, updater, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n    }\n\n    /**\n     * Creates an array of the own enumerable string keyed property values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.values(new Foo);\n     * // => [1, 2] (iteration order is not guaranteed)\n     *\n     * _.values('hi');\n     * // => ['h', 'i']\n     */\n    function values(object) {\n      return object == null ? [] : baseValues(object, keys(object));\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable string keyed property\n     * values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.valuesIn(new Foo);\n     * // => [1, 2, 3] (iteration order is not guaranteed)\n     */\n    function valuesIn(object) {\n      return object == null ? [] : baseValues(object, keysIn(object));\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Number\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     * @example\n     *\n     * _.clamp(-10, -5, 5);\n     * // => -5\n     *\n     * _.clamp(10, -5, 5);\n     * // => 5\n     */\n    function clamp(number, lower, upper) {\n      if (upper === undefined) {\n        upper = lower;\n        lower = undefined;\n      }\n      if (upper !== undefined) {\n        upper = toNumber(upper);\n        upper = upper === upper ? upper : 0;\n      }\n      if (lower !== undefined) {\n        lower = toNumber(lower);\n        lower = lower === lower ? lower : 0;\n      }\n      return baseClamp(toNumber(number), lower, upper);\n    }\n\n    /**\n     * Checks if `n` is between `start` and up to, but not including, `end`. If\n     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n     * If `start` is greater than `end` the params are swapped to support\n     * negative ranges.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.3.0\n     * @category Number\n     * @param {number} number The number to check.\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     * @see _.range, _.rangeRight\n     * @example\n     *\n     * _.inRange(3, 2, 4);\n     * // => true\n     *\n     * _.inRange(4, 8);\n     * // => true\n     *\n     * _.inRange(4, 2);\n     * // => false\n     *\n     * _.inRange(2, 2);\n     * // => false\n     *\n     * _.inRange(1.2, 2);\n     * // => true\n     *\n     * _.inRange(5.2, 4);\n     * // => false\n     *\n     * _.inRange(-3, -2, -6);\n     * // => true\n     */\n    function inRange(number, start, end) {\n      start = toFinite(start);\n      if (end === undefined) {\n        end = start;\n        start = 0;\n      } else {\n        end = toFinite(end);\n      }\n      number = toNumber(number);\n      return baseInRange(number, start, end);\n    }\n\n    /**\n     * Produces a random number between the inclusive `lower` and `upper` bounds.\n     * If only one argument is provided a number between `0` and the given number\n     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n     * floats, a floating-point number is returned instead of an integer.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Number\n     * @param {number} [lower=0] The lower bound.\n     * @param {number} [upper=1] The upper bound.\n     * @param {boolean} [floating] Specify returning a floating-point number.\n     * @returns {number} Returns the random number.\n     * @example\n     *\n     * _.random(0, 5);\n     * // => an integer between 0 and 5\n     *\n     * _.random(5);\n     * // => also an integer between 0 and 5\n     *\n     * _.random(5, true);\n     * // => a floating-point number between 0 and 5\n     *\n     * _.random(1.2, 5.2);\n     * // => a floating-point number between 1.2 and 5.2\n     */\n    function random(lower, upper, floating) {\n      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n        upper = floating = undefined;\n      }\n      if (floating === undefined) {\n        if (typeof upper == 'boolean') {\n          floating = upper;\n          upper = undefined;\n        }\n        else if (typeof lower == 'boolean') {\n          floating = lower;\n          lower = undefined;\n        }\n      }\n      if (lower === undefined && upper === undefined) {\n        lower = 0;\n        upper = 1;\n      }\n      else {\n        lower = toFinite(lower);\n        if (upper === undefined) {\n          upper = lower;\n          lower = 0;\n        } else {\n          upper = toFinite(upper);\n        }\n      }\n      if (lower > upper) {\n        var temp = lower;\n        lower = upper;\n        upper = temp;\n      }\n      if (floating || lower % 1 || upper % 1) {\n        var rand = nativeRandom();\n        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n      }\n      return baseRandom(lower, upper);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the camel cased string.\n     * @example\n     *\n     * _.camelCase('Foo Bar');\n     * // => 'fooBar'\n     *\n     * _.camelCase('--foo-bar--');\n     * // => 'fooBar'\n     *\n     * _.camelCase('__FOO_BAR__');\n     * // => 'fooBar'\n     */\n    var camelCase = createCompounder(function(result, word, index) {\n      word = word.toLowerCase();\n      return result + (index ? capitalize(word) : word);\n    });\n\n    /**\n     * Converts the first character of `string` to upper case and the remaining\n     * to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to capitalize.\n     * @returns {string} Returns the capitalized string.\n     * @example\n     *\n     * _.capitalize('FRED');\n     * // => 'Fred'\n     */\n    function capitalize(string) {\n      return upperFirst(toString(string).toLowerCase());\n    }\n\n    /**\n     * Deburrs `string` by converting\n     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n     * letters to basic Latin letters and removing\n     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to deburr.\n     * @returns {string} Returns the deburred string.\n     * @example\n     *\n     * _.deburr('déjà vu');\n     * // => 'deja vu'\n     */\n    function deburr(string) {\n      string = toString(string);\n      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n    }\n\n    /**\n     * Checks if `string` ends with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=string.length] The position to search up to.\n     * @returns {boolean} Returns `true` if `string` ends with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.endsWith('abc', 'c');\n     * // => true\n     *\n     * _.endsWith('abc', 'b');\n     * // => false\n     *\n     * _.endsWith('abc', 'b', 2);\n     * // => true\n     */\n    function endsWith(string, target, position) {\n      string = toString(string);\n      target = baseToString(target);\n\n      var length = string.length;\n      position = position === undefined\n        ? length\n        : baseClamp(toInteger(position), 0, length);\n\n      var end = position;\n      position -= target.length;\n      return position >= 0 && string.slice(position, end) == target;\n    }\n\n    /**\n     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n     * corresponding HTML entities.\n     *\n     * **Note:** No other characters are escaped. To escape additional\n     * characters use a third-party library like [_he_](https://mths.be/he).\n     *\n     * Though the \">\" character is escaped for symmetry, characters like\n     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n     * unless they're part of a tag or unquoted attribute value. See\n     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n     * (under \"semi-related fun fact\") for more details.\n     *\n     * When working with HTML you should always\n     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n     * XSS vectors.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escape('fred, barney, & pebbles');\n     * // => 'fred, barney, &amp; pebbles'\n     */\n    function escape(string) {\n      string = toString(string);\n      return (string && reHasUnescapedHtml.test(string))\n        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escapeRegExp('[lodash](https://lodash.com/)');\n     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n     */\n    function escapeRegExp(string) {\n      string = toString(string);\n      return (string && reHasRegExpChar.test(string))\n        ? string.replace(reRegExpChar, '\\\\$&')\n        : string;\n    }\n\n    /**\n     * Converts `string` to\n     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the kebab cased string.\n     * @example\n     *\n     * _.kebabCase('Foo Bar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('fooBar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('__FOO_BAR__');\n     * // => 'foo-bar'\n     */\n    var kebabCase = createCompounder(function(result, word, index) {\n      return result + (index ? '-' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts `string`, as space separated words, to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.lowerCase('--Foo-Bar--');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('fooBar');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('__FOO_BAR__');\n     * // => 'foo bar'\n     */\n    var lowerCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts the first character of `string` to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.lowerFirst('Fred');\n     * // => 'fred'\n     *\n     * _.lowerFirst('FRED');\n     * // => 'fRED'\n     */\n    var lowerFirst = createCaseFirst('toLowerCase');\n\n    /**\n     * Pads `string` on the left and right sides if it's shorter than `length`.\n     * Padding characters are truncated if they can't be evenly divided by `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.pad('abc', 8);\n     * // => '  abc   '\n     *\n     * _.pad('abc', 8, '_-');\n     * // => '_-abc_-_'\n     *\n     * _.pad('abc', 3);\n     * // => 'abc'\n     */\n    function pad(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      if (!length || strLength >= length) {\n        return string;\n      }\n      var mid = (length - strLength) / 2;\n      return (\n        createPadding(nativeFloor(mid), chars) +\n        string +\n        createPadding(nativeCeil(mid), chars)\n      );\n    }\n\n    /**\n     * Pads `string` on the right side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padEnd('abc', 6);\n     * // => 'abc   '\n     *\n     * _.padEnd('abc', 6, '_-');\n     * // => 'abc_-_'\n     *\n     * _.padEnd('abc', 3);\n     * // => 'abc'\n     */\n    function padEnd(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (string + createPadding(length - strLength, chars))\n        : string;\n    }\n\n    /**\n     * Pads `string` on the left side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padStart('abc', 6);\n     * // => '   abc'\n     *\n     * _.padStart('abc', 6, '_-');\n     * // => '_-_abc'\n     *\n     * _.padStart('abc', 3);\n     * // => 'abc'\n     */\n    function padStart(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (createPadding(length - strLength, chars) + string)\n        : string;\n    }\n\n    /**\n     * Converts `string` to an integer of the specified radix. If `radix` is\n     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n     * hexadecimal, in which case a `radix` of `16` is used.\n     *\n     * **Note:** This method aligns with the\n     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category String\n     * @param {string} string The string to convert.\n     * @param {number} [radix=10] The radix to interpret `value` by.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.parseInt('08');\n     * // => 8\n     *\n     * _.map(['6', '08', '10'], _.parseInt);\n     * // => [6, 8, 10]\n     */\n    function parseInt(string, radix, guard) {\n      if (guard || radix == null) {\n        radix = 0;\n      } else if (radix) {\n        radix = +radix;\n      }\n      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n    }\n\n    /**\n     * Repeats the given string `n` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to repeat.\n     * @param {number} [n=1] The number of times to repeat the string.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the repeated string.\n     * @example\n     *\n     * _.repeat('*', 3);\n     * // => '***'\n     *\n     * _.repeat('abc', 2);\n     * // => 'abcabc'\n     *\n     * _.repeat('abc', 0);\n     * // => ''\n     */\n    function repeat(string, n, guard) {\n      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      return baseRepeat(toString(string), n);\n    }\n\n    /**\n     * Replaces matches for `pattern` in `string` with `replacement`.\n     *\n     * **Note:** This method is based on\n     * [`String#replace`](https://mdn.io/String/replace).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to modify.\n     * @param {RegExp|string} pattern The pattern to replace.\n     * @param {Function|string} replacement The match replacement.\n     * @returns {string} Returns the modified string.\n     * @example\n     *\n     * _.replace('Hi Fred', 'Fred', 'Barney');\n     * // => 'Hi Barney'\n     */\n    function replace() {\n      var args = arguments,\n          string = toString(args[0]);\n\n      return args.length < 3 ? string : string.replace(args[1], args[2]);\n    }\n\n    /**\n     * Converts `string` to\n     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the snake cased string.\n     * @example\n     *\n     * _.snakeCase('Foo Bar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('fooBar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('--FOO-BAR--');\n     * // => 'foo_bar'\n     */\n    var snakeCase = createCompounder(function(result, word, index) {\n      return result + (index ? '_' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Splits `string` by `separator`.\n     *\n     * **Note:** This method is based on\n     * [`String#split`](https://mdn.io/String/split).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to split.\n     * @param {RegExp|string} separator The separator pattern to split by.\n     * @param {number} [limit] The length to truncate results to.\n     * @returns {Array} Returns the string segments.\n     * @example\n     *\n     * _.split('a-b-c', '-', 2);\n     * // => ['a', 'b']\n     */\n    function split(string, separator, limit) {\n      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n        separator = limit = undefined;\n      }\n      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n      if (!limit) {\n        return [];\n      }\n      string = toString(string);\n      if (string && (\n            typeof separator == 'string' ||\n            (separator != null && !isRegExp(separator))\n          )) {\n        separator = baseToString(separator);\n        if (!separator && hasUnicode(string)) {\n          return castSlice(stringToArray(string), 0, limit);\n        }\n      }\n      return string.split(separator, limit);\n    }\n\n    /**\n     * Converts `string` to\n     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.1.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the start cased string.\n     * @example\n     *\n     * _.startCase('--foo-bar--');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('fooBar');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('__FOO_BAR__');\n     * // => 'FOO BAR'\n     */\n    var startCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + upperFirst(word);\n    });\n\n    /**\n     * Checks if `string` starts with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=0] The position to search from.\n     * @returns {boolean} Returns `true` if `string` starts with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.startsWith('abc', 'a');\n     * // => true\n     *\n     * _.startsWith('abc', 'b');\n     * // => false\n     *\n     * _.startsWith('abc', 'b', 1);\n     * // => true\n     */\n    function startsWith(string, target, position) {\n      string = toString(string);\n      position = position == null\n        ? 0\n        : baseClamp(toInteger(position), 0, string.length);\n\n      target = baseToString(target);\n      return string.slice(position, position + target.length) == target;\n    }\n\n    /**\n     * Creates a compiled template function that can interpolate data properties\n     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n     * properties may be accessed as free variables in the template. If a setting\n     * object is given, it takes precedence over `_.templateSettings` values.\n     *\n     * **Note:** In the development build `_.template` utilizes\n     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n     * for easier debugging.\n     *\n     * For more information on precompiling templates see\n     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n     *\n     * For more information on Chrome extension sandboxes see\n     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The template string.\n     * @param {Object} [options={}] The options object.\n     * @param {RegExp} [options.escape=_.templateSettings.escape]\n     *  The HTML \"escape\" delimiter.\n     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n     *  The \"evaluate\" delimiter.\n     * @param {Object} [options.imports=_.templateSettings.imports]\n     *  An object to import into the template as free variables.\n     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n     *  The \"interpolate\" delimiter.\n     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n     *  The sourceURL of the compiled template.\n     * @param {string} [options.variable='obj']\n     *  The data object variable name.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the compiled template function.\n     * @example\n     *\n     * // Use the \"interpolate\" delimiter to create a compiled template.\n     * var compiled = _.template('hello <%= user %>!');\n     * compiled({ 'user': 'fred' });\n     * // => 'hello fred!'\n     *\n     * // Use the HTML \"escape\" delimiter to escape data property values.\n     * var compiled = _.template('<b><%- value %></b>');\n     * compiled({ 'value': '<script>' });\n     * // => '<b>&lt;script&gt;</b>'\n     *\n     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the internal `print` function in \"evaluate\" delimiters.\n     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n     * compiled({ 'user': 'barney' });\n     * // => 'hello barney!'\n     *\n     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n     * // Disable support by replacing the \"interpolate\" delimiter.\n     * var compiled = _.template('hello ${ user }!');\n     * compiled({ 'user': 'pebbles' });\n     * // => 'hello pebbles!'\n     *\n     * // Use backslashes to treat delimiters as plain text.\n     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n     * compiled({ 'value': 'ignored' });\n     * // => '<%- value %>'\n     *\n     * // Use the `imports` option to import `jQuery` as `jq`.\n     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n     * compiled(data);\n     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n     *\n     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n     * compiled.source;\n     * // => function(data) {\n     * //   var __t, __p = '';\n     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n     * //   return __p;\n     * // }\n     *\n     * // Use custom template delimiters.\n     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n     * var compiled = _.template('hello {{ user }}!');\n     * compiled({ 'user': 'mustache' });\n     * // => 'hello mustache!'\n     *\n     * // Use the `source` property to inline compiled templates for meaningful\n     * // line numbers in error messages and stack traces.\n     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n     *   var JST = {\\\n     *     \"main\": ' + _.template(mainText).source + '\\\n     *   };\\\n     * ');\n     */\n    function template(string, options, guard) {\n      // Based on John Resig's `tmpl` implementation\n      // (http://ejohn.org/blog/javascript-micro-templating/)\n      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n      var settings = lodash.templateSettings;\n\n      if (guard && isIterateeCall(string, options, guard)) {\n        options = undefined;\n      }\n      string = toString(string);\n      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\n      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n          importsKeys = keys(imports),\n          importsValues = baseValues(imports, importsKeys);\n\n      var isEscaping,\n          isEvaluating,\n          index = 0,\n          interpolate = options.interpolate || reNoMatch,\n          source = \"__p += '\";\n\n      // Compile the regexp to match each delimiter.\n      var reDelimiters = RegExp(\n        (options.escape || reNoMatch).source + '|' +\n        interpolate.source + '|' +\n        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n        (options.evaluate || reNoMatch).source + '|$'\n      , 'g');\n\n      // Use a sourceURL for easier debugging.\n      var sourceURL = '//# sourceURL=' +\n        ('sourceURL' in options\n          ? options.sourceURL\n          : ('lodash.templateSources[' + (++templateCounter) + ']')\n        ) + '\\n';\n\n      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n        interpolateValue || (interpolateValue = esTemplateValue);\n\n        // Escape characters that can't be included in string literals.\n        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\n        // Replace delimiters with snippets.\n        if (escapeValue) {\n          isEscaping = true;\n          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n        }\n        if (evaluateValue) {\n          isEvaluating = true;\n          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n        }\n        if (interpolateValue) {\n          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n        }\n        index = offset + match.length;\n\n        // The JS engine embedded in Adobe products needs `match` returned in\n        // order to produce the correct `offset` value.\n        return match;\n      });\n\n      source += \"';\\n\";\n\n      // If `variable` is not specified wrap a with-statement around the generated\n      // code to add the data object to the top of the scope chain.\n      var variable = options.variable;\n      if (!variable) {\n        source = 'with (obj) {\\n' + source + '\\n}\\n';\n      }\n      // Cleanup code by stripping empty strings.\n      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n        .replace(reEmptyStringMiddle, '$1')\n        .replace(reEmptyStringTrailing, '$1;');\n\n      // Frame code as the function body.\n      source = 'function(' + (variable || 'obj') + ') {\\n' +\n        (variable\n          ? ''\n          : 'obj || (obj = {});\\n'\n        ) +\n        \"var __t, __p = ''\" +\n        (isEscaping\n           ? ', __e = _.escape'\n           : ''\n        ) +\n        (isEvaluating\n          ? ', __j = Array.prototype.join;\\n' +\n            \"function print() { __p += __j.call(arguments, '') }\\n\"\n          : ';\\n'\n        ) +\n        source +\n        'return __p\\n}';\n\n      var result = attempt(function() {\n        return Function(importsKeys, sourceURL + 'return ' + source)\n          .apply(undefined, importsValues);\n      });\n\n      // Provide the compiled function's source by its `toString` method or\n      // the `source` property as a convenience for inlining compiled templates.\n      result.source = source;\n      if (isError(result)) {\n        throw result;\n      }\n      return result;\n    }\n\n    /**\n     * Converts `string`, as a whole, to lower case just like\n     * [String#toLowerCase](https://mdn.io/toLowerCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.toLower('--Foo-Bar--');\n     * // => '--foo-bar--'\n     *\n     * _.toLower('fooBar');\n     * // => 'foobar'\n     *\n     * _.toLower('__FOO_BAR__');\n     * // => '__foo_bar__'\n     */\n    function toLower(value) {\n      return toString(value).toLowerCase();\n    }\n\n    /**\n     * Converts `string`, as a whole, to upper case just like\n     * [String#toUpperCase](https://mdn.io/toUpperCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.toUpper('--foo-bar--');\n     * // => '--FOO-BAR--'\n     *\n     * _.toUpper('fooBar');\n     * // => 'FOOBAR'\n     *\n     * _.toUpper('__foo_bar__');\n     * // => '__FOO_BAR__'\n     */\n    function toUpper(value) {\n      return toString(value).toUpperCase();\n    }\n\n    /**\n     * Removes leading and trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trim('  abc  ');\n     * // => 'abc'\n     *\n     * _.trim('-_-abc-_-', '_-');\n     * // => 'abc'\n     *\n     * _.map(['  foo  ', '  bar  '], _.trim);\n     * // => ['foo', 'bar']\n     */\n    function trim(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrim, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          chrSymbols = stringToArray(chars),\n          start = charsStartIndex(strSymbols, chrSymbols),\n          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\n      return castSlice(strSymbols, start, end).join('');\n    }\n\n    /**\n     * Removes trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimEnd('  abc  ');\n     * // => '  abc'\n     *\n     * _.trimEnd('-_-abc-_-', '_-');\n     * // => '-_-abc'\n     */\n    function trimEnd(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimEnd, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\n      return castSlice(strSymbols, 0, end).join('');\n    }\n\n    /**\n     * Removes leading whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimStart('  abc  ');\n     * // => 'abc  '\n     *\n     * _.trimStart('-_-abc-_-', '_-');\n     * // => 'abc-_-'\n     */\n    function trimStart(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimStart, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          start = charsStartIndex(strSymbols, stringToArray(chars));\n\n      return castSlice(strSymbols, start).join('');\n    }\n\n    /**\n     * Truncates `string` if it's longer than the given maximum string length.\n     * The last characters of the truncated string are replaced with the omission\n     * string which defaults to \"...\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to truncate.\n     * @param {Object} [options={}] The options object.\n     * @param {number} [options.length=30] The maximum string length.\n     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n     * @returns {string} Returns the truncated string.\n     * @example\n     *\n     * _.truncate('hi-diddly-ho there, neighborino');\n     * // => 'hi-diddly-ho there, neighbo...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': ' '\n     * });\n     * // => 'hi-diddly-ho there,...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': /,? +/\n     * });\n     * // => 'hi-diddly-ho there...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'omission': ' [...]'\n     * });\n     * // => 'hi-diddly-ho there, neig [...]'\n     */\n    function truncate(string, options) {\n      var length = DEFAULT_TRUNC_LENGTH,\n          omission = DEFAULT_TRUNC_OMISSION;\n\n      if (isObject(options)) {\n        var separator = 'separator' in options ? options.separator : separator;\n        length = 'length' in options ? toInteger(options.length) : length;\n        omission = 'omission' in options ? baseToString(options.omission) : omission;\n      }\n      string = toString(string);\n\n      var strLength = string.length;\n      if (hasUnicode(string)) {\n        var strSymbols = stringToArray(string);\n        strLength = strSymbols.length;\n      }\n      if (length >= strLength) {\n        return string;\n      }\n      var end = length - stringSize(omission);\n      if (end < 1) {\n        return omission;\n      }\n      var result = strSymbols\n        ? castSlice(strSymbols, 0, end).join('')\n        : string.slice(0, end);\n\n      if (separator === undefined) {\n        return result + omission;\n      }\n      if (strSymbols) {\n        end += (result.length - end);\n      }\n      if (isRegExp(separator)) {\n        if (string.slice(end).search(separator)) {\n          var match,\n              substring = result;\n\n          if (!separator.global) {\n            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n          }\n          separator.lastIndex = 0;\n          while ((match = separator.exec(substring))) {\n            var newEnd = match.index;\n          }\n          result = result.slice(0, newEnd === undefined ? end : newEnd);\n        }\n      } else if (string.indexOf(baseToString(separator), end) != end) {\n        var index = result.lastIndexOf(separator);\n        if (index > -1) {\n          result = result.slice(0, index);\n        }\n      }\n      return result + omission;\n    }\n\n    /**\n     * The inverse of `_.escape`; this method converts the HTML entities\n     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n     * their corresponding characters.\n     *\n     * **Note:** No other HTML entities are unescaped. To unescape additional\n     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.6.0\n     * @category String\n     * @param {string} [string=''] The string to unescape.\n     * @returns {string} Returns the unescaped string.\n     * @example\n     *\n     * _.unescape('fred, barney, &amp; pebbles');\n     * // => 'fred, barney, & pebbles'\n     */\n    function unescape(string) {\n      string = toString(string);\n      return (string && reHasEscapedHtml.test(string))\n        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Converts `string`, as space separated words, to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.upperCase('--foo-bar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('fooBar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('__foo_bar__');\n     * // => 'FOO BAR'\n     */\n    var upperCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toUpperCase();\n    });\n\n    /**\n     * Converts the first character of `string` to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.upperFirst('fred');\n     * // => 'Fred'\n     *\n     * _.upperFirst('FRED');\n     * // => 'FRED'\n     */\n    var upperFirst = createCaseFirst('toUpperCase');\n\n    /**\n     * Splits `string` into an array of its words.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {RegExp|string} [pattern] The pattern to match words.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the words of `string`.\n     * @example\n     *\n     * _.words('fred, barney, & pebbles');\n     * // => ['fred', 'barney', 'pebbles']\n     *\n     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n     * // => ['fred', 'barney', '&', 'pebbles']\n     */\n    function words(string, pattern, guard) {\n      string = toString(string);\n      pattern = guard ? undefined : pattern;\n\n      if (pattern === undefined) {\n        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n      }\n      return string.match(pattern) || [];\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Attempts to invoke `func`, returning either the result or the caught error\n     * object. Any additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Function} func The function to attempt.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {*} Returns the `func` result or error object.\n     * @example\n     *\n     * // Avoid throwing errors for invalid selectors.\n     * var elements = _.attempt(function(selector) {\n     *   return document.querySelectorAll(selector);\n     * }, '>_>');\n     *\n     * if (_.isError(elements)) {\n     *   elements = [];\n     * }\n     */\n    var attempt = baseRest(function(func, args) {\n      try {\n        return apply(func, undefined, args);\n      } catch (e) {\n        return isError(e) ? e : new Error(e);\n      }\n    });\n\n    /**\n     * Binds methods of an object to the object itself, overwriting the existing\n     * method.\n     *\n     * **Note:** This method doesn't set the \"length\" property of bound functions.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Object} object The object to bind and assign the bound methods to.\n     * @param {...(string|string[])} methodNames The object method names to bind.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var view = {\n     *   'label': 'docs',\n     *   'click': function() {\n     *     console.log('clicked ' + this.label);\n     *   }\n     * };\n     *\n     * _.bindAll(view, ['click']);\n     * jQuery(element).on('click', view.click);\n     * // => Logs 'clicked docs' when clicked.\n     */\n    var bindAll = flatRest(function(object, methodNames) {\n      arrayEach(methodNames, function(key) {\n        key = toKey(key);\n        baseAssignValue(object, key, bind(object[key], object));\n      });\n      return object;\n    });\n\n    /**\n     * Creates a function that iterates over `pairs` and invokes the corresponding\n     * function of the first predicate to return truthy. The predicate-function\n     * pairs are invoked with the `this` binding and arguments of the created\n     * function.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Array} pairs The predicate-function pairs.\n     * @returns {Function} Returns the new composite function.\n     * @example\n     *\n     * var func = _.cond([\n     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n     *   [_.stubTrue,                      _.constant('no match')]\n     * ]);\n     *\n     * func({ 'a': 1, 'b': 2 });\n     * // => 'matches A'\n     *\n     * func({ 'a': 0, 'b': 1 });\n     * // => 'matches B'\n     *\n     * func({ 'a': '1', 'b': '2' });\n     * // => 'no match'\n     */\n    function cond(pairs) {\n      var length = pairs == null ? 0 : pairs.length,\n          toIteratee = getIteratee();\n\n      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n        if (typeof pair[1] != 'function') {\n          throw new TypeError(FUNC_ERROR_TEXT);\n        }\n        return [toIteratee(pair[0]), pair[1]];\n      });\n\n      return baseRest(function(args) {\n        var index = -1;\n        while (++index < length) {\n          var pair = pairs[index];\n          if (apply(pair[0], this, args)) {\n            return apply(pair[1], this, args);\n          }\n        }\n      });\n    }\n\n    /**\n     * Creates a function that invokes the predicate properties of `source` with\n     * the corresponding property values of a given object, returning `true` if\n     * all predicates return truthy, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.conformsTo` with\n     * `source` partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 2, 'b': 1 },\n     *   { 'a': 1, 'b': 2 }\n     * ];\n     *\n     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n     * // => [{ 'a': 1, 'b': 2 }]\n     */\n    function conforms(source) {\n      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that returns `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {*} value The value to return from the new function.\n     * @returns {Function} Returns the new constant function.\n     * @example\n     *\n     * var objects = _.times(2, _.constant({ 'a': 1 }));\n     *\n     * console.log(objects);\n     * // => [{ 'a': 1 }, { 'a': 1 }]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => true\n     */\n    function constant(value) {\n      return function() {\n        return value;\n      };\n    }\n\n    /**\n     * Checks `value` to determine whether a default value should be returned in\n     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n     * or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Util\n     * @param {*} value The value to check.\n     * @param {*} defaultValue The default value.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * _.defaultTo(1, 10);\n     * // => 1\n     *\n     * _.defaultTo(undefined, 10);\n     * // => 10\n     */\n    function defaultTo(value, defaultValue) {\n      return (value == null || value !== value) ? defaultValue : value;\n    }\n\n    /**\n     * Creates a function that returns the result of invoking the given functions\n     * with the `this` binding of the created function, where each successive\n     * invocation is supplied the return value of the previous.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flowRight\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flow([_.add, square]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flow = createFlow();\n\n    /**\n     * This method is like `_.flow` except that it creates a function that\n     * invokes the given functions from right to left.\n     *\n     * @static\n     * @since 3.0.0\n     * @memberOf _\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flow\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flowRight([square, _.add]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flowRight = createFlow(true);\n\n    /**\n     * This method returns the first argument it receives.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {*} value Any value.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     *\n     * console.log(_.identity(object) === object);\n     * // => true\n     */\n    function identity(value) {\n      return value;\n    }\n\n    /**\n     * Creates a function that invokes `func` with the arguments of the created\n     * function. If `func` is a property name, the created function returns the\n     * property value for a given element. If `func` is an array or object, the\n     * created function returns `true` for elements that contain the equivalent\n     * source properties, otherwise it returns `false`.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Util\n     * @param {*} [func=_.identity] The value to convert to a callback.\n     * @returns {Function} Returns the callback.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, _.iteratee(['user', 'fred']));\n     * // => [{ 'user': 'fred', 'age': 40 }]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, _.iteratee('user'));\n     * // => ['barney', 'fred']\n     *\n     * // Create custom iteratee shorthands.\n     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n     *     return func.test(string);\n     *   };\n     * });\n     *\n     * _.filter(['abc', 'def'], /ef/);\n     * // => ['def']\n     */\n    function iteratee(func) {\n      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between a given\n     * object and `source`, returning `true` if the given object has equivalent\n     * property values, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n     */\n    function matches(source) {\n      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between the\n     * value at `path` of a given object to `srcValue`, returning `true` if the\n     * object value is equivalent, else `false`.\n     *\n     * **Note:** Partial comparisons will match empty array and empty object\n     * `srcValue` values against any array or object value, respectively. See\n     * `_.isEqual` for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.find(objects, _.matchesProperty('a', 4));\n     * // => { 'a': 4, 'b': 5, 'c': 6 }\n     */\n    function matchesProperty(path, srcValue) {\n      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that invokes the method at `path` of a given object.\n     * Any additional arguments are provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': _.constant(2) } },\n     *   { 'a': { 'b': _.constant(1) } }\n     * ];\n     *\n     * _.map(objects, _.method('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(objects, _.method(['a', 'b']));\n     * // => [2, 1]\n     */\n    var method = baseRest(function(path, args) {\n      return function(object) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * The opposite of `_.method`; this method creates a function that invokes\n     * the method at a given path of `object`. Any additional arguments are\n     * provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var array = _.times(3, _.constant),\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n     * // => [2, 0]\n     */\n    var methodOf = baseRest(function(object, args) {\n      return function(path) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * Adds all own enumerable string keyed function properties of a source\n     * object to the destination object. If `object` is a function, then methods\n     * are added to its prototype as well.\n     *\n     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n     * avoid conflicts caused by modifying the original.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Function|Object} [object=lodash] The destination object.\n     * @param {Object} source The object of functions to add.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n     * @returns {Function|Object} Returns `object`.\n     * @example\n     *\n     * function vowels(string) {\n     *   return _.filter(string, function(v) {\n     *     return /[aeiou]/i.test(v);\n     *   });\n     * }\n     *\n     * _.mixin({ 'vowels': vowels });\n     * _.vowels('fred');\n     * // => ['e']\n     *\n     * _('fred').vowels().value();\n     * // => ['e']\n     *\n     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n     * _('fred').vowels();\n     * // => ['e']\n     */\n    function mixin(object, source, options) {\n      var props = keys(source),\n          methodNames = baseFunctions(source, props);\n\n      if (options == null &&\n          !(isObject(source) && (methodNames.length || !props.length))) {\n        options = source;\n        source = object;\n        object = this;\n        methodNames = baseFunctions(source, keys(source));\n      }\n      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n          isFunc = isFunction(object);\n\n      arrayEach(methodNames, function(methodName) {\n        var func = source[methodName];\n        object[methodName] = func;\n        if (isFunc) {\n          object.prototype[methodName] = function() {\n            var chainAll = this.__chain__;\n            if (chain || chainAll) {\n              var result = object(this.__wrapped__),\n                  actions = result.__actions__ = copyArray(this.__actions__);\n\n              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n              result.__chain__ = chainAll;\n              return result;\n            }\n            return func.apply(object, arrayPush([this.value()], arguments));\n          };\n        }\n      });\n\n      return object;\n    }\n\n    /**\n     * Reverts the `_` variable to its previous value and returns a reference to\n     * the `lodash` function.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @returns {Function} Returns the `lodash` function.\n     * @example\n     *\n     * var lodash = _.noConflict();\n     */\n    function noConflict() {\n      if (root._ === this) {\n        root._ = oldDash;\n      }\n      return this;\n    }\n\n    /**\n     * This method returns `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Util\n     * @example\n     *\n     * _.times(2, _.noop);\n     * // => [undefined, undefined]\n     */\n    function noop() {\n      // No operation performed.\n    }\n\n    /**\n     * Creates a function that gets the argument at index `n`. If `n` is negative,\n     * the nth argument from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [n=0] The index of the argument to return.\n     * @returns {Function} Returns the new pass-thru function.\n     * @example\n     *\n     * var func = _.nthArg(1);\n     * func('a', 'b', 'c', 'd');\n     * // => 'b'\n     *\n     * var func = _.nthArg(-2);\n     * func('a', 'b', 'c', 'd');\n     * // => 'c'\n     */\n    function nthArg(n) {\n      n = toInteger(n);\n      return baseRest(function(args) {\n        return baseNth(args, n);\n      });\n    }\n\n    /**\n     * Creates a function that invokes `iteratees` with the arguments it receives\n     * and returns their results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to invoke.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.over([Math.max, Math.min]);\n     *\n     * func(1, 2, 3, 4);\n     * // => [4, 1]\n     */\n    var over = createOver(arrayMap);\n\n    /**\n     * Creates a function that checks if **all** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overEvery([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => false\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overEvery = createOver(arrayEvery);\n\n    /**\n     * Creates a function that checks if **any** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overSome([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => true\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overSome = createOver(arraySome);\n\n    /**\n     * Creates a function that returns the value at `path` of a given object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': 2 } },\n     *   { 'a': { 'b': 1 } }\n     * ];\n     *\n     * _.map(objects, _.property('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n     * // => [1, 2]\n     */\n    function property(path) {\n      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n    }\n\n    /**\n     * The opposite of `_.property`; this method creates a function that returns\n     * the value at a given path of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var array = [0, 1, 2],\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n     * // => [2, 0]\n     */\n    function propertyOf(object) {\n      return function(path) {\n        return object == null ? undefined : baseGet(object, path);\n      };\n    }\n\n    /**\n     * Creates an array of numbers (positive and/or negative) progressing from\n     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n     * `start` is specified without an `end` or `step`. If `end` is not specified,\n     * it's set to `start` with `start` then set to `0`.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.rangeRight\n     * @example\n     *\n     * _.range(4);\n     * // => [0, 1, 2, 3]\n     *\n     * _.range(-4);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 5);\n     * // => [1, 2, 3, 4]\n     *\n     * _.range(0, 20, 5);\n     * // => [0, 5, 10, 15]\n     *\n     * _.range(0, -4, -1);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.range(0);\n     * // => []\n     */\n    var range = createRange();\n\n    /**\n     * This method is like `_.range` except that it populates values in\n     * descending order.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.range\n     * @example\n     *\n     * _.rangeRight(4);\n     * // => [3, 2, 1, 0]\n     *\n     * _.rangeRight(-4);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 5);\n     * // => [4, 3, 2, 1]\n     *\n     * _.rangeRight(0, 20, 5);\n     * // => [15, 10, 5, 0]\n     *\n     * _.rangeRight(0, -4, -1);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.rangeRight(0);\n     * // => []\n     */\n    var rangeRight = createRange(true);\n\n    /**\n     * This method returns a new empty array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Array} Returns the new empty array.\n     * @example\n     *\n     * var arrays = _.times(2, _.stubArray);\n     *\n     * console.log(arrays);\n     * // => [[], []]\n     *\n     * console.log(arrays[0] === arrays[1]);\n     * // => false\n     */\n    function stubArray() {\n      return [];\n    }\n\n    /**\n     * This method returns `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `false`.\n     * @example\n     *\n     * _.times(2, _.stubFalse);\n     * // => [false, false]\n     */\n    function stubFalse() {\n      return false;\n    }\n\n    /**\n     * This method returns a new empty object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Object} Returns the new empty object.\n     * @example\n     *\n     * var objects = _.times(2, _.stubObject);\n     *\n     * console.log(objects);\n     * // => [{}, {}]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => false\n     */\n    function stubObject() {\n      return {};\n    }\n\n    /**\n     * This method returns an empty string.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {string} Returns the empty string.\n     * @example\n     *\n     * _.times(2, _.stubString);\n     * // => ['', '']\n     */\n    function stubString() {\n      return '';\n    }\n\n    /**\n     * This method returns `true`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `true`.\n     * @example\n     *\n     * _.times(2, _.stubTrue);\n     * // => [true, true]\n     */\n    function stubTrue() {\n      return true;\n    }\n\n    /**\n     * Invokes the iteratee `n` times, returning an array of the results of\n     * each invocation. The iteratee is invoked with one argument; (index).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} n The number of times to invoke `iteratee`.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.times(3, String);\n     * // => ['0', '1', '2']\n     *\n     *  _.times(4, _.constant(0));\n     * // => [0, 0, 0, 0]\n     */\n    function times(n, iteratee) {\n      n = toInteger(n);\n      if (n < 1 || n > MAX_SAFE_INTEGER) {\n        return [];\n      }\n      var index = MAX_ARRAY_LENGTH,\n          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\n      iteratee = getIteratee(iteratee);\n      n -= MAX_ARRAY_LENGTH;\n\n      var result = baseTimes(length, iteratee);\n      while (++index < n) {\n        iteratee(index);\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a property path array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the new property path array.\n     * @example\n     *\n     * _.toPath('a.b.c');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toPath('a[0].b.c');\n     * // => ['a', '0', 'b', 'c']\n     */\n    function toPath(value) {\n      if (isArray(value)) {\n        return arrayMap(value, toKey);\n      }\n      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n    }\n\n    /**\n     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {string} [prefix=''] The value to prefix the ID with.\n     * @returns {string} Returns the unique ID.\n     * @example\n     *\n     * _.uniqueId('contact_');\n     * // => 'contact_104'\n     *\n     * _.uniqueId();\n     * // => '105'\n     */\n    function uniqueId(prefix) {\n      var id = ++idCounter;\n      return toString(prefix) + id;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Adds two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {number} augend The first number in an addition.\n     * @param {number} addend The second number in an addition.\n     * @returns {number} Returns the total.\n     * @example\n     *\n     * _.add(6, 4);\n     * // => 10\n     */\n    var add = createMathOperation(function(augend, addend) {\n      return augend + addend;\n    }, 0);\n\n    /**\n     * Computes `number` rounded up to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round up.\n     * @param {number} [precision=0] The precision to round up to.\n     * @returns {number} Returns the rounded up number.\n     * @example\n     *\n     * _.ceil(4.006);\n     * // => 5\n     *\n     * _.ceil(6.004, 2);\n     * // => 6.01\n     *\n     * _.ceil(6040, -2);\n     * // => 6100\n     */\n    var ceil = createRound('ceil');\n\n    /**\n     * Divide two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} dividend The first number in a division.\n     * @param {number} divisor The second number in a division.\n     * @returns {number} Returns the quotient.\n     * @example\n     *\n     * _.divide(6, 4);\n     * // => 1.5\n     */\n    var divide = createMathOperation(function(dividend, divisor) {\n      return dividend / divisor;\n    }, 1);\n\n    /**\n     * Computes `number` rounded down to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round down.\n     * @param {number} [precision=0] The precision to round down to.\n     * @returns {number} Returns the rounded down number.\n     * @example\n     *\n     * _.floor(4.006);\n     * // => 4\n     *\n     * _.floor(0.046, 2);\n     * // => 0.04\n     *\n     * _.floor(4060, -2);\n     * // => 4000\n     */\n    var floor = createRound('floor');\n\n    /**\n     * Computes the maximum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * _.max([4, 2, 8, 6]);\n     * // => 8\n     *\n     * _.max([]);\n     * // => undefined\n     */\n    function max(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseGt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.max` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.maxBy(objects, function(o) { return o.n; });\n     * // => { 'n': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.maxBy(objects, 'n');\n     * // => { 'n': 2 }\n     */\n    function maxBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n        : undefined;\n    }\n\n    /**\n     * Computes the mean of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * _.mean([4, 2, 8, 6]);\n     * // => 5\n     */\n    function mean(array) {\n      return baseMean(array, identity);\n    }\n\n    /**\n     * This method is like `_.mean` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be averaged.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.meanBy(objects, function(o) { return o.n; });\n     * // => 5\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.meanBy(objects, 'n');\n     * // => 5\n     */\n    function meanBy(array, iteratee) {\n      return baseMean(array, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * Computes the minimum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * _.min([4, 2, 8, 6]);\n     * // => 2\n     *\n     * _.min([]);\n     * // => undefined\n     */\n    function min(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseLt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.min` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.minBy(objects, function(o) { return o.n; });\n     * // => { 'n': 1 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.minBy(objects, 'n');\n     * // => { 'n': 1 }\n     */\n    function minBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n        : undefined;\n    }\n\n    /**\n     * Multiply two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} multiplier The first number in a multiplication.\n     * @param {number} multiplicand The second number in a multiplication.\n     * @returns {number} Returns the product.\n     * @example\n     *\n     * _.multiply(6, 4);\n     * // => 24\n     */\n    var multiply = createMathOperation(function(multiplier, multiplicand) {\n      return multiplier * multiplicand;\n    }, 1);\n\n    /**\n     * Computes `number` rounded to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round.\n     * @param {number} [precision=0] The precision to round to.\n     * @returns {number} Returns the rounded number.\n     * @example\n     *\n     * _.round(4.006);\n     * // => 4\n     *\n     * _.round(4.006, 2);\n     * // => 4.01\n     *\n     * _.round(4060, -2);\n     * // => 4100\n     */\n    var round = createRound('round');\n\n    /**\n     * Subtract two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {number} minuend The first number in a subtraction.\n     * @param {number} subtrahend The second number in a subtraction.\n     * @returns {number} Returns the difference.\n     * @example\n     *\n     * _.subtract(6, 4);\n     * // => 2\n     */\n    var subtract = createMathOperation(function(minuend, subtrahend) {\n      return minuend - subtrahend;\n    }, 0);\n\n    /**\n     * Computes the sum of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * _.sum([4, 2, 8, 6]);\n     * // => 20\n     */\n    function sum(array) {\n      return (array && array.length)\n        ? baseSum(array, identity)\n        : 0;\n    }\n\n    /**\n     * This method is like `_.sum` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be summed.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.sumBy(objects, function(o) { return o.n; });\n     * // => 20\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sumBy(objects, 'n');\n     * // => 20\n     */\n    function sumBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSum(array, getIteratee(iteratee, 2))\n        : 0;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return wrapped values in chain sequences.\n    lodash.after = after;\n    lodash.ary = ary;\n    lodash.assign = assign;\n    lodash.assignIn = assignIn;\n    lodash.assignInWith = assignInWith;\n    lodash.assignWith = assignWith;\n    lodash.at = at;\n    lodash.before = before;\n    lodash.bind = bind;\n    lodash.bindAll = bindAll;\n    lodash.bindKey = bindKey;\n    lodash.castArray = castArray;\n    lodash.chain = chain;\n    lodash.chunk = chunk;\n    lodash.compact = compact;\n    lodash.concat = concat;\n    lodash.cond = cond;\n    lodash.conforms = conforms;\n    lodash.constant = constant;\n    lodash.countBy = countBy;\n    lodash.create = create;\n    lodash.curry = curry;\n    lodash.curryRight = curryRight;\n    lodash.debounce = debounce;\n    lodash.defaults = defaults;\n    lodash.defaultsDeep = defaultsDeep;\n    lodash.defer = defer;\n    lodash.delay = delay;\n    lodash.difference = difference;\n    lodash.differenceBy = differenceBy;\n    lodash.differenceWith = differenceWith;\n    lodash.drop = drop;\n    lodash.dropRight = dropRight;\n    lodash.dropRightWhile = dropRightWhile;\n    lodash.dropWhile = dropWhile;\n    lodash.fill = fill;\n    lodash.filter = filter;\n    lodash.flatMap = flatMap;\n    lodash.flatMapDeep = flatMapDeep;\n    lodash.flatMapDepth = flatMapDepth;\n    lodash.flatten = flatten;\n    lodash.flattenDeep = flattenDeep;\n    lodash.flattenDepth = flattenDepth;\n    lodash.flip = flip;\n    lodash.flow = flow;\n    lodash.flowRight = flowRight;\n    lodash.fromPairs = fromPairs;\n    lodash.functions = functions;\n    lodash.functionsIn = functionsIn;\n    lodash.groupBy = groupBy;\n    lodash.initial = initial;\n    lodash.intersection = intersection;\n    lodash.intersectionBy = intersectionBy;\n    lodash.intersectionWith = intersectionWith;\n    lodash.invert = invert;\n    lodash.invertBy = invertBy;\n    lodash.invokeMap = invokeMap;\n    lodash.iteratee = iteratee;\n    lodash.keyBy = keyBy;\n    lodash.keys = keys;\n    lodash.keysIn = keysIn;\n    lodash.map = map;\n    lodash.mapKeys = mapKeys;\n    lodash.mapValues = mapValues;\n    lodash.matches = matches;\n    lodash.matchesProperty = matchesProperty;\n    lodash.memoize = memoize;\n    lodash.merge = merge;\n    lodash.mergeWith = mergeWith;\n    lodash.method = method;\n    lodash.methodOf = methodOf;\n    lodash.mixin = mixin;\n    lodash.negate = negate;\n    lodash.nthArg = nthArg;\n    lodash.omit = omit;\n    lodash.omitBy = omitBy;\n    lodash.once = once;\n    lodash.orderBy = orderBy;\n    lodash.over = over;\n    lodash.overArgs = overArgs;\n    lodash.overEvery = overEvery;\n    lodash.overSome = overSome;\n    lodash.partial = partial;\n    lodash.partialRight = partialRight;\n    lodash.partition = partition;\n    lodash.pick = pick;\n    lodash.pickBy = pickBy;\n    lodash.property = property;\n    lodash.propertyOf = propertyOf;\n    lodash.pull = pull;\n    lodash.pullAll = pullAll;\n    lodash.pullAllBy = pullAllBy;\n    lodash.pullAllWith = pullAllWith;\n    lodash.pullAt = pullAt;\n    lodash.range = range;\n    lodash.rangeRight = rangeRight;\n    lodash.rearg = rearg;\n    lodash.reject = reject;\n    lodash.remove = remove;\n    lodash.rest = rest;\n    lodash.reverse = reverse;\n    lodash.sampleSize = sampleSize;\n    lodash.set = set;\n    lodash.setWith = setWith;\n    lodash.shuffle = shuffle;\n    lodash.slice = slice;\n    lodash.sortBy = sortBy;\n    lodash.sortedUniq = sortedUniq;\n    lodash.sortedUniqBy = sortedUniqBy;\n    lodash.split = split;\n    lodash.spread = spread;\n    lodash.tail = tail;\n    lodash.take = take;\n    lodash.takeRight = takeRight;\n    lodash.takeRightWhile = takeRightWhile;\n    lodash.takeWhile = takeWhile;\n    lodash.tap = tap;\n    lodash.throttle = throttle;\n    lodash.thru = thru;\n    lodash.toArray = toArray;\n    lodash.toPairs = toPairs;\n    lodash.toPairsIn = toPairsIn;\n    lodash.toPath = toPath;\n    lodash.toPlainObject = toPlainObject;\n    lodash.transform = transform;\n    lodash.unary = unary;\n    lodash.union = union;\n    lodash.unionBy = unionBy;\n    lodash.unionWith = unionWith;\n    lodash.uniq = uniq;\n    lodash.uniqBy = uniqBy;\n    lodash.uniqWith = uniqWith;\n    lodash.unset = unset;\n    lodash.unzip = unzip;\n    lodash.unzipWith = unzipWith;\n    lodash.update = update;\n    lodash.updateWith = updateWith;\n    lodash.values = values;\n    lodash.valuesIn = valuesIn;\n    lodash.without = without;\n    lodash.words = words;\n    lodash.wrap = wrap;\n    lodash.xor = xor;\n    lodash.xorBy = xorBy;\n    lodash.xorWith = xorWith;\n    lodash.zip = zip;\n    lodash.zipObject = zipObject;\n    lodash.zipObjectDeep = zipObjectDeep;\n    lodash.zipWith = zipWith;\n\n    // Add aliases.\n    lodash.entries = toPairs;\n    lodash.entriesIn = toPairsIn;\n    lodash.extend = assignIn;\n    lodash.extendWith = assignInWith;\n\n    // Add methods to `lodash.prototype`.\n    mixin(lodash, lodash);\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return unwrapped values in chain sequences.\n    lodash.add = add;\n    lodash.attempt = attempt;\n    lodash.camelCase = camelCase;\n    lodash.capitalize = capitalize;\n    lodash.ceil = ceil;\n    lodash.clamp = clamp;\n    lodash.clone = clone;\n    lodash.cloneDeep = cloneDeep;\n    lodash.cloneDeepWith = cloneDeepWith;\n    lodash.cloneWith = cloneWith;\n    lodash.conformsTo = conformsTo;\n    lodash.deburr = deburr;\n    lodash.defaultTo = defaultTo;\n    lodash.divide = divide;\n    lodash.endsWith = endsWith;\n    lodash.eq = eq;\n    lodash.escape = escape;\n    lodash.escapeRegExp = escapeRegExp;\n    lodash.every = every;\n    lodash.find = find;\n    lodash.findIndex = findIndex;\n    lodash.findKey = findKey;\n    lodash.findLast = findLast;\n    lodash.findLastIndex = findLastIndex;\n    lodash.findLastKey = findLastKey;\n    lodash.floor = floor;\n    lodash.forEach = forEach;\n    lodash.forEachRight = forEachRight;\n    lodash.forIn = forIn;\n    lodash.forInRight = forInRight;\n    lodash.forOwn = forOwn;\n    lodash.forOwnRight = forOwnRight;\n    lodash.get = get;\n    lodash.gt = gt;\n    lodash.gte = gte;\n    lodash.has = has;\n    lodash.hasIn = hasIn;\n    lodash.head = head;\n    lodash.identity = identity;\n    lodash.includes = includes;\n    lodash.indexOf = indexOf;\n    lodash.inRange = inRange;\n    lodash.invoke = invoke;\n    lodash.isArguments = isArguments;\n    lodash.isArray = isArray;\n    lodash.isArrayBuffer = isArrayBuffer;\n    lodash.isArrayLike = isArrayLike;\n    lodash.isArrayLikeObject = isArrayLikeObject;\n    lodash.isBoolean = isBoolean;\n    lodash.isBuffer = isBuffer;\n    lodash.isDate = isDate;\n    lodash.isElement = isElement;\n    lodash.isEmpty = isEmpty;\n    lodash.isEqual = isEqual;\n    lodash.isEqualWith = isEqualWith;\n    lodash.isError = isError;\n    lodash.isFinite = isFinite;\n    lodash.isFunction = isFunction;\n    lodash.isInteger = isInteger;\n    lodash.isLength = isLength;\n    lodash.isMap = isMap;\n    lodash.isMatch = isMatch;\n    lodash.isMatchWith = isMatchWith;\n    lodash.isNaN = isNaN;\n    lodash.isNative = isNative;\n    lodash.isNil = isNil;\n    lodash.isNull = isNull;\n    lodash.isNumber = isNumber;\n    lodash.isObject = isObject;\n    lodash.isObjectLike = isObjectLike;\n    lodash.isPlainObject = isPlainObject;\n    lodash.isRegExp = isRegExp;\n    lodash.isSafeInteger = isSafeInteger;\n    lodash.isSet = isSet;\n    lodash.isString = isString;\n    lodash.isSymbol = isSymbol;\n    lodash.isTypedArray = isTypedArray;\n    lodash.isUndefined = isUndefined;\n    lodash.isWeakMap = isWeakMap;\n    lodash.isWeakSet = isWeakSet;\n    lodash.join = join;\n    lodash.kebabCase = kebabCase;\n    lodash.last = last;\n    lodash.lastIndexOf = lastIndexOf;\n    lodash.lowerCase = lowerCase;\n    lodash.lowerFirst = lowerFirst;\n    lodash.lt = lt;\n    lodash.lte = lte;\n    lodash.max = max;\n    lodash.maxBy = maxBy;\n    lodash.mean = mean;\n    lodash.meanBy = meanBy;\n    lodash.min = min;\n    lodash.minBy = minBy;\n    lodash.stubArray = stubArray;\n    lodash.stubFalse = stubFalse;\n    lodash.stubObject = stubObject;\n    lodash.stubString = stubString;\n    lodash.stubTrue = stubTrue;\n    lodash.multiply = multiply;\n    lodash.nth = nth;\n    lodash.noConflict = noConflict;\n    lodash.noop = noop;\n    lodash.now = now;\n    lodash.pad = pad;\n    lodash.padEnd = padEnd;\n    lodash.padStart = padStart;\n    lodash.parseInt = parseInt;\n    lodash.random = random;\n    lodash.reduce = reduce;\n    lodash.reduceRight = reduceRight;\n    lodash.repeat = repeat;\n    lodash.replace = replace;\n    lodash.result = result;\n    lodash.round = round;\n    lodash.runInContext = runInContext;\n    lodash.sample = sample;\n    lodash.size = size;\n    lodash.snakeCase = snakeCase;\n    lodash.some = some;\n    lodash.sortedIndex = sortedIndex;\n    lodash.sortedIndexBy = sortedIndexBy;\n    lodash.sortedIndexOf = sortedIndexOf;\n    lodash.sortedLastIndex = sortedLastIndex;\n    lodash.sortedLastIndexBy = sortedLastIndexBy;\n    lodash.sortedLastIndexOf = sortedLastIndexOf;\n    lodash.startCase = startCase;\n    lodash.startsWith = startsWith;\n    lodash.subtract = subtract;\n    lodash.sum = sum;\n    lodash.sumBy = sumBy;\n    lodash.template = template;\n    lodash.times = times;\n    lodash.toFinite = toFinite;\n    lodash.toInteger = toInteger;\n    lodash.toLength = toLength;\n    lodash.toLower = toLower;\n    lodash.toNumber = toNumber;\n    lodash.toSafeInteger = toSafeInteger;\n    lodash.toString = toString;\n    lodash.toUpper = toUpper;\n    lodash.trim = trim;\n    lodash.trimEnd = trimEnd;\n    lodash.trimStart = trimStart;\n    lodash.truncate = truncate;\n    lodash.unescape = unescape;\n    lodash.uniqueId = uniqueId;\n    lodash.upperCase = upperCase;\n    lodash.upperFirst = upperFirst;\n\n    // Add aliases.\n    lodash.each = forEach;\n    lodash.eachRight = forEachRight;\n    lodash.first = head;\n\n    mixin(lodash, (function() {\n      var source = {};\n      baseForOwn(lodash, function(func, methodName) {\n        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n          source[methodName] = func;\n        }\n      });\n      return source;\n    }()), { 'chain': false });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The semantic version number.\n     *\n     * @static\n     * @memberOf _\n     * @type {string}\n     */\n    lodash.VERSION = VERSION;\n\n    // Assign default placeholders.\n    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n      lodash[methodName].placeholder = lodash;\n    });\n\n    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n    arrayEach(['drop', 'take'], function(methodName, index) {\n      LazyWrapper.prototype[methodName] = function(n) {\n        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\n        var result = (this.__filtered__ && !index)\n          ? new LazyWrapper(this)\n          : this.clone();\n\n        if (result.__filtered__) {\n          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n        } else {\n          result.__views__.push({\n            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n          });\n        }\n        return result;\n      };\n\n      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n        return this.reverse()[methodName](n).reverse();\n      };\n    });\n\n    // Add `LazyWrapper` methods that accept an `iteratee` value.\n    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n      var type = index + 1,\n          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\n      LazyWrapper.prototype[methodName] = function(iteratee) {\n        var result = this.clone();\n        result.__iteratees__.push({\n          'iteratee': getIteratee(iteratee, 3),\n          'type': type\n        });\n        result.__filtered__ = result.__filtered__ || isFilter;\n        return result;\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n    arrayEach(['head', 'last'], function(methodName, index) {\n      var takeName = 'take' + (index ? 'Right' : '');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this[takeName](1).value()[0];\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n    arrayEach(['initial', 'tail'], function(methodName, index) {\n      var dropName = 'drop' + (index ? '' : 'Right');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n      };\n    });\n\n    LazyWrapper.prototype.compact = function() {\n      return this.filter(identity);\n    };\n\n    LazyWrapper.prototype.find = function(predicate) {\n      return this.filter(predicate).head();\n    };\n\n    LazyWrapper.prototype.findLast = function(predicate) {\n      return this.reverse().find(predicate);\n    };\n\n    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n      if (typeof path == 'function') {\n        return new LazyWrapper(this);\n      }\n      return this.map(function(value) {\n        return baseInvoke(value, path, args);\n      });\n    });\n\n    LazyWrapper.prototype.reject = function(predicate) {\n      return this.filter(negate(getIteratee(predicate)));\n    };\n\n    LazyWrapper.prototype.slice = function(start, end) {\n      start = toInteger(start);\n\n      var result = this;\n      if (result.__filtered__ && (start > 0 || end < 0)) {\n        return new LazyWrapper(result);\n      }\n      if (start < 0) {\n        result = result.takeRight(-start);\n      } else if (start) {\n        result = result.drop(start);\n      }\n      if (end !== undefined) {\n        end = toInteger(end);\n        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n      }\n      return result;\n    };\n\n    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n      return this.reverse().takeWhile(predicate).reverse();\n    };\n\n    LazyWrapper.prototype.toArray = function() {\n      return this.take(MAX_ARRAY_LENGTH);\n    };\n\n    // Add `LazyWrapper` methods to `lodash.prototype`.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n          isTaker = /^(?:head|last)$/.test(methodName),\n          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n          retUnwrapped = isTaker || /^find/.test(methodName);\n\n      if (!lodashFunc) {\n        return;\n      }\n      lodash.prototype[methodName] = function() {\n        var value = this.__wrapped__,\n            args = isTaker ? [1] : arguments,\n            isLazy = value instanceof LazyWrapper,\n            iteratee = args[0],\n            useLazy = isLazy || isArray(value);\n\n        var interceptor = function(value) {\n          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n          return (isTaker && chainAll) ? result[0] : result;\n        };\n\n        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n          isLazy = useLazy = false;\n        }\n        var chainAll = this.__chain__,\n            isHybrid = !!this.__actions__.length,\n            isUnwrapped = retUnwrapped && !chainAll,\n            onlyLazy = isLazy && !isHybrid;\n\n        if (!retUnwrapped && useLazy) {\n          value = onlyLazy ? value : new LazyWrapper(this);\n          var result = func.apply(value, args);\n          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n          return new LodashWrapper(result, chainAll);\n        }\n        if (isUnwrapped && onlyLazy) {\n          return func.apply(this, args);\n        }\n        result = this.thru(interceptor);\n        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n      };\n    });\n\n    // Add `Array` methods to `lodash.prototype`.\n    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n      var func = arrayProto[methodName],\n          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\n      lodash.prototype[methodName] = function() {\n        var args = arguments;\n        if (retUnwrapped && !this.__chain__) {\n          var value = this.value();\n          return func.apply(isArray(value) ? value : [], args);\n        }\n        return this[chainName](function(value) {\n          return func.apply(isArray(value) ? value : [], args);\n        });\n      };\n    });\n\n    // Map minified method names to their real names.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var lodashFunc = lodash[methodName];\n      if (lodashFunc) {\n        var key = (lodashFunc.name + ''),\n            names = realNames[key] || (realNames[key] = []);\n\n        names.push({ 'name': methodName, 'func': lodashFunc });\n      }\n    });\n\n    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n      'name': 'wrapper',\n      'func': undefined\n    }];\n\n    // Add methods to `LazyWrapper`.\n    LazyWrapper.prototype.clone = lazyClone;\n    LazyWrapper.prototype.reverse = lazyReverse;\n    LazyWrapper.prototype.value = lazyValue;\n\n    // Add chain sequence methods to the `lodash` wrapper.\n    lodash.prototype.at = wrapperAt;\n    lodash.prototype.chain = wrapperChain;\n    lodash.prototype.commit = wrapperCommit;\n    lodash.prototype.next = wrapperNext;\n    lodash.prototype.plant = wrapperPlant;\n    lodash.prototype.reverse = wrapperReverse;\n    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\n    // Add lazy aliases.\n    lodash.prototype.first = lodash.prototype.head;\n\n    if (symIterator) {\n      lodash.prototype[symIterator] = wrapperToIterator;\n    }\n    return lodash;\n  });\n\n  /*--------------------------------------------------------------------------*/\n\n  // Export lodash.\n  var _ = runInContext();\n\n  // Some AMD build optimizers, like r.js, check for condition patterns like:\n  if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {\n    // Expose Lodash on the global object to prevent errors when Lodash is\n    // loaded by a script tag in the presence of an AMD loader.\n    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n    // Use `_.noConflict` to remove Lodash from the global object.\n    root._ = _;\n\n    // Define as an anonymous module so, through path mapping, it can be\n    // referenced as the \"underscore\" module.\n    define(function() {\n      return _;\n    });\n  }\n  // Check for `exports` after `define` in case a build optimizer adds it.\n  else if (freeModule) {\n    // Export for Node.js.\n    (freeModule.exports = _)._ = _;\n    // Export for CommonJS support.\n    freeExports._ = _;\n  }\n  else {\n    // Export to the global object.\n    root._ = _;\n  }\n}.call(this));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/lodash/lodash.js\n// module id = 56\n// module chunks = 0","var core = module.exports = {version: '2.4.0'};\nif(typeof __e == 'number')__e = core; // eslint-disable-line no-undef\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_core.js\n// module id = 57\n// module chunks = 0","module.exports = function(exec){\n  try {\n    return !!exec();\n  } catch(e){\n    return true;\n  }\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_fails.js\n// module id = 58\n// module chunks = 0","// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n  ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();\nif(typeof __g == 'number')__g = global; // eslint-disable-line no-undef\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_global.js\n// module id = 59\n// module chunks = 0","var anObject       = require('./_an-object')\n  , IE8_DOM_DEFINE = require('./_ie8-dom-define')\n  , toPrimitive    = require('./_to-primitive')\n  , dP             = Object.defineProperty;\n\nexports.f = require('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes){\n  anObject(O);\n  P = toPrimitive(P, true);\n  anObject(Attributes);\n  if(IE8_DOM_DEFINE)try {\n    return dP(O, P, Attributes);\n  } catch(e){ /* empty */ }\n  if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!');\n  if('value' in Attributes)O[P] = Attributes.value;\n  return O;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_object-dp.js\n// module id = 60\n// module chunks = 0","var core = module.exports = {version: '2.4.0'};\nif(typeof __e == 'number')__e = core; // eslint-disable-line no-undef\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_core.js\n// module id = 61\n// module chunks = 0","module.exports = function(exec){\n  try {\n    return !!exec();\n  } catch(e){\n    return true;\n  }\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_fails.js\n// module id = 62\n// module chunks = 0","// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n  ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();\nif(typeof __g == 'number')__g = global; // eslint-disable-line no-undef\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_global.js\n// module id = 63\n// module chunks = 0","var anObject       = require('./_an-object')\n  , IE8_DOM_DEFINE = require('./_ie8-dom-define')\n  , toPrimitive    = require('./_to-primitive')\n  , dP             = Object.defineProperty;\n\nexports.f = require('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes){\n  anObject(O);\n  P = toPrimitive(P, true);\n  anObject(Attributes);\n  if(IE8_DOM_DEFINE)try {\n    return dP(O, P, Attributes);\n  } catch(e){ /* empty */ }\n  if('get' in Attributes || 'set' in Attributes)throw TypeError('Accessors not supported!');\n  if('value' in Attributes)O[P] = Attributes.value;\n  return O;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_object-dp.js\n// module id = 64\n// module chunks = 0","module.exports = \"<div class=oui-checkbox data-ng-class=\\\"{\\n    'oui-checkbox_big': $ctrl.big,\\n    'oui-checkbox_thumbnail': $ctrl.thumbnail\\n}\\\"> <input class=oui-checkbox__input type=checkbox id=\\\"{{:: $ctrl.name }}\\\" name=\\\"{{:: $ctrl.name }}\\\" data-ng-model=$ctrl.value data-ng-change=$ctrl.callOnChange($ctrl.value) data-ng-checked=$ctrl.checked data-ng-disabled=$ctrl.disabled> <label for=\\\"{{:: $ctrl.name }}\\\" class=oui-checkbox__label-container> <span class=oui-checkbox__label data-ng-transclude=label> <span data-ng-bind=$ctrl.label></span> </span> <span class=oui-checkbox__description data-ng-transclude=description data-ng-if=$ctrl.hasDescription> <span data-ng-bind=$ctrl.description></span> </span> <span class=oui-checkbox__icon> <i class=\\\"oui-icon oui-icon-checkbox-unchecked\\\" aria-hidden=true></i> <i class=\\\"oui-icon oui-icon-checkbox-checked\\\" aria-hidden=true></i> <i class=\\\"oui-icon oui-icon-checkbox-checkmark\\\" aria-hidden=true></i> </span> </label> </div> \";\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/src/checkbox.html\n// module id = 65\n// module chunks = 0","module.exports = \"<div data-ng-if=!$ctrl.dismissed data-ng-class=\\\"'oui-message oui-message_' + $ctrl.type\\\" role=alert> <i class=\\\"oui-icon oui-icon_bicolor\\\" data-ng-class=\\\"'oui-icon-' + $ctrl.type + '_circle'\\\" aria-hidden=true></i> <div class=oui-message__body data-ng-class=\\\"'oui-message__body_' + $ctrl.type\\\" ng-transclude> <span ng-bind=$ctrl.message></span> </div> <button data-ng-if=\\\"$ctrl.dismissable === true || ($ctrl.type !== 'error' && $ctrl.type !== 'warning')\\\" class=\\\"oui-icon oui-icon-close oui-message__close-button\\\" type=button data-ng-click=$ctrl.dismiss() aria-label=Close> </button> </div> \";\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/src/message.html\n// module id = 66\n// module chunks = 0","module.exports = \"<div class=oui-radio data-ng-class=\\\"{\\n    'oui-radio_big': $ctrl.big,\\n    'oui-radio_thumbnail': $ctrl.thumbnail\\n}\\\"> <input class=oui-radio__input type=radio id=\\\"{{:: $ctrl.id }}\\\" value=\\\"{{:: $ctrl.value }}\\\" name=\\\"{{:: $ctrl.name }}\\\" data-ng-checked=$ctrl.checked data-ng-disabled=$ctrl.disabled> <label class=oui-radio__label-container for=\\\"{{:: $ctrl.id }}\\\"> <span class=oui-radio__label data-ng-transclude=label> <span data-ng-bind=$ctrl.label></span> </span> <span class=oui-radio__description data-ng-transclude=description data-ng-if=$ctrl.hasDescription> <span data-ng-bind=$ctrl.description></span> </span> </label> </div> \";\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/src/radio.html\n// module id = 67\n// module chunks = 0","import '@oui-angular/checkbox/src'\nimport '@oui-angular/radio/src'\nimport '@oui-angular/radio-group/src'\nimport '@oui-angular/message/src'\n\nangular.module('oui', [\n  'oui.checkbox',\n  'oui.radio',\n  'oui.radio-group',\n  'oui.message'\n])\n\n\n\n// WEBPACK FOOTER //\n// ./src/index.js","import template from './checkbox.html'\nimport controller from './checkbox.controller'\n\nexport default {\n  template,\n  controller,\n  bindings: {\n    label: '@?',\n    description: '@?',\n    name: '@?',\n    onChange: '&?',\n    checked: '<?',\n    disabled: '<?'\n  },\n  transclude: {\n    label: '?ouiCheckboxLabel',\n    description: '?ouiCheckboxDescription'\n  }\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-checkbox/src/checkbox.component.js","import _ from 'lodash'\n\nexport default class {\n  constructor ($scope, $attrs, $transclude) {\n    'ngInject'\n\n    this.$scope = $scope\n    this.$attrs = $attrs\n    this.$transclude = $transclude\n\n    if (this.onChange) {\n      this.onChange = this.onChange.bind(this)\n    }\n  }\n\n  $onInit () {\n    if (_.has(this.$attrs, 'checked') && _.isEmpty(this.$attrs.checked)) {\n      this.checked = true\n    }\n\n    if (_.has(this.$attrs, 'disabled') && _.isEmpty(this.$attrs.disabled)) {\n      this.disabled = true\n    }\n\n    if (!self.name) {\n      this.name = `oui-checked-${this.$scope.$id}`\n    }\n\n    if (_.has(this.$attrs, 'big')) {\n      this.big = true\n    }\n\n    if (_.has(this.$attrs, 'thumbnail')) {\n      this.thumbnail = true\n    }\n\n    this.hasDescription = Boolean(this.$transclude.isSlotFilled('description') || this.description)\n  }\n\n  callOnChange (value) {\n    if (this.onChange) {\n      this.onChange({\n        $event: {\n          value: value\n        }\n      })\n    }\n  }\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-checkbox/src/checkbox.controller.js","import Checkbox from './checkbox.component.js'\n\nangular.module('oui.checkbox', []).component('ouiCheckbox', Checkbox)\n\n\n\n// WEBPACK FOOTER //\n// ../oui-checkbox/src/index.js","import Message from './message.component.js'\nimport OuiMessageDispatcher from './message-dispatcher.service'\nimport { OuiMessageListenerFactory } from './message-listener.factory'\n\nangular.module('oui.message', [])\n  .component('ouiMessage', Message)\n  .service('OuiMessageDispatcher', OuiMessageDispatcher)\n  .service('OuiMessageListenerFactory', OuiMessageListenerFactory)\n\n\n\n// WEBPACK FOOTER //\n// ../oui-message/src/index.js","import {\n  isUndefined\n} from 'lodash'\n\nconst requiredListenerMethods = [\n  'onMessage'\n]\n\nexport default class {\n  constructor () {\n    'ngInject'\n\n    this._listeners = []\n  }\n\n  isValidListenerInterface (listener) {\n    return requiredListenerMethods.every((requiredListenerMethod) =>\n      !isUndefined(listener[requiredListenerMethod])\n    )\n  }\n\n  register (listener) {\n    if (!this.isValidListenerInterface(listener)) {\n      throw new Error('The registered object does not follow the expected interface.')\n    }\n\n    this._listeners.push(listener)\n  }\n\n  unregister (listener) {\n    this._listeners.splice(this._listeners.indexOf(listener), 1)\n  }\n\n  dispatch (namespace, message) {\n    let filteredListeners\n\n    if (isUndefined(message)) {\n      message = namespace\n      namespace = undefined\n    }\n\n    if (!namespace) {\n      filteredListeners = this._listeners\n    } else {\n      filteredListeners = this._listeners.filter((listener) =>\n        !listener.namespace || listener.namespace === namespace)\n    }\n\n    filteredListeners.forEach((listener) => listener.onMessage(message))\n  }\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-message/src/message-dispatcher.service.js","export class OuiMessageListener {\n  constructor (OuiMessageDispatcher, namespace) {\n    this.OuiMessageDispatcher = OuiMessageDispatcher\n    this.namespace = namespace\n  }\n\n  unregister () {\n    this.OuiMessageDispatcher.unregister(this)\n  }\n}\n\nexport class OuiLastMessageListener extends OuiMessageListener {\n  constructor (OuiMessageDispatcher, namespace) {\n    super(OuiMessageDispatcher, namespace)\n\n    this.hasMessage = false\n    this.lastMessage = null\n  }\n\n  onMessage (message) {\n    this.hasMessage = true\n    this.lastMessage = message\n  }\n}\n\nexport class OuiMessageListenerFactory {\n  constructor (OuiMessageDispatcher) {\n    'ngInject'\n\n    this.OuiMessageDispatcher = OuiMessageDispatcher\n  }\n\n  createLastMessageListener (namespace) {\n    let listener = new OuiLastMessageListener(this.OuiMessageDispatcher, namespace)\n\n    this.OuiMessageDispatcher.register(listener)\n\n    return listener\n  }\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-message/src/message-listener.factory.js","import template from './message.html'\nimport controller from './message.controller'\n\nexport default {\n  template,\n  controller,\n  bindings: {\n    message: '@',\n    type: '@',\n    dismissable: '<',\n    dismissed: '<',\n    onDismiss: '&?'\n  },\n  transclude: true\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-message/src/message.component.js","import _ from 'lodash'\r\n\r\nexport default class {\r\n  constructor () {\r\n    'ngInject'\r\n  }\r\n\r\n  $onInit () {\r\n    this.dismissed = false\r\n  }\r\n\r\n  dismiss () {\r\n    if (!_.isFunction(this.onDismiss)) {\r\n      this.dismissed = true\r\n    } else {\r\n      this.onDismiss()\r\n    }\r\n  }\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../oui-message/src/message.controller.js","import '@oui-angular/radio/src'\nimport RadioGroup from './radio-group.component.js'\n\nangular.module('oui.radio-group', [\n  'oui.radio'\n]).component('ouiRadioGroup', RadioGroup)\n\n\n\n// WEBPACK FOOTER //\n// ../oui-radio-group/src/index.js","import controller from './radio-group.controller'\n\nexport default {\n  template: '<ng-transclude></ng-transclude>',\n  controller,\n  bindings: {\n    name: '@?',\n    value: '<?',\n    onChange: '&?'\n  },\n  transclude: true\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-radio-group/src/radio-group.component.js","import _ from 'lodash'\n\nexport default class {\n  constructor ($scope) {\n    'ngInject'\n\n    this.$scope = $scope\n    this.radios = []\n  }\n\n  $onInit () {\n    if (!this.name) {\n      this.name = `oui-radio-group-${this.$scope.$id}`\n    }\n  }\n\n  $onChanges (changes) {\n    if (_.has(changes, 'value')) {\n      _.forEach(this.radios, function (radio) {\n        radio.onGroupValueChange(changes.value.currentValue)\n      })\n    }\n  }\n\n  callOnChange (value) {\n    if (this.onChange) {\n      this.onChange({\n        $event: {\n          value: value\n        }\n      })\n    }\n  };\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-radio-group/src/radio-group.controller.js","import template from './radio.html'\nimport controller from './radio.controller'\n\nexport default {\n  require: {\n    group: '?^ouiRadioGroup'\n  },\n  template,\n  controller,\n  bindings: {\n    label: '@?',\n    value: '@',\n    disabled: '<?',\n    checked: '<?'\n  },\n  transclude: {\n    label: '?ouiRadioLabel',\n    description: '?ouiRadioDescription'\n  }\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-radio/src/radio.component.js","import _ from 'lodash'\n\nconst INPUT_SELECTOR = 'input'\n\nexport default class {\n  constructor ($scope, $element, $attrs, $transclude) {\n    'ngInject'\n\n    this.$element = $element\n    this.$scope = $scope\n    this.$attrs = $attrs\n    this.$transclude = $transclude\n\n    if (this.onChange) {\n      this.onChange = this.onChange.bind(this)\n    }\n  }\n\n  registerEventsToParent () {\n    var self = this\n\n    this.onGroupValueChange(self.group.value)\n\n    this.$element.find(INPUT_SELECTOR).bind('change', function () {\n      self.$scope.$apply(() => self.group.callOnChange(this.value))\n    })\n  }\n\n  $onInit () {\n    this.id = `oui-radio-${this.$scope.$id}`\n\n    if (_.has(this.$attrs, 'checked') && _.isEmpty(this.$attrs.checked)) {\n      this.checked = true\n    }\n\n    if (_.has(this.$attrs, 'disabled') && _.isEmpty(this.$attrs.disabled)) {\n      this.disabled = true\n    }\n\n    if (this.group) {\n      this.name = this.group.name\n      this.group.radios.push(this)\n\n      this.registerEventsToParent()\n    } else {\n      this.name = this.id\n    }\n\n    if (_.has(this.$attrs, 'big')) {\n      this.big = true\n    }\n\n    if (_.has(this.$attrs, 'thumbnail')) {\n      this.thumbnail = true\n    }\n\n    this.hasDescription = Boolean(this.$transclude.isSlotFilled('description') || this.description)\n  }\n\n  $onDestroy () {\n    if (self.group) {\n      _.remove(this.group.radios, this)\n      this.$element.find(INPUT_SELECTOR).unbind('change')\n    }\n  }\n\n  $onChanges (changes) {\n    if (_.has(changes, 'checked')) {\n      this.checked = changes.checked.currentValue\n    }\n  }\n\n  onGroupValueChange (value) {\n    this.checked = value === this.value\n  }\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-radio/src/radio.controller.js","module.exports = { \"default\": require(\"core-js/library/fn/object/define-property\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/babel-runtime/core-js/object/define-property.js\n// module id = 82\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nexports.default = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/babel-runtime/helpers/classCallCheck.js\n// module id = 83\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nvar _defineProperty = require(\"../core-js/object/define-property\");\n\nvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function () {\n  function defineProperties(target, props) {\n    for (var i = 0; i < props.length; i++) {\n      var descriptor = props[i];\n      descriptor.enumerable = descriptor.enumerable || false;\n      descriptor.configurable = true;\n      if (\"value\" in descriptor) descriptor.writable = true;\n      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n    }\n  }\n\n  return function (Constructor, protoProps, staticProps) {\n    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n    if (staticProps) defineProperties(Constructor, staticProps);\n    return Constructor;\n  };\n}();\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/babel-runtime/helpers/createClass.js\n// module id = 84\n// module chunks = 0","require('../../modules/es6.object.define-property');\nvar $Object = require('../../modules/_core').Object;\nmodule.exports = function defineProperty(it, key, desc){\n  return $Object.defineProperty(it, key, desc);\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/fn/object/define-property.js\n// module id = 85\n// module chunks = 0","module.exports = function(it){\n  if(typeof it != 'function')throw TypeError(it + ' is not a function!');\n  return it;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_a-function.js\n// module id = 86\n// module chunks = 0","var isObject = require('./_is-object');\nmodule.exports = function(it){\n  if(!isObject(it))throw TypeError(it + ' is not an object!');\n  return it;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_an-object.js\n// module id = 87\n// module chunks = 0","// optional / simple context binding\nvar aFunction = require('./_a-function');\nmodule.exports = function(fn, that, length){\n  aFunction(fn);\n  if(that === undefined)return fn;\n  switch(length){\n    case 1: return function(a){\n      return fn.call(that, a);\n    };\n    case 2: return function(a, b){\n      return fn.call(that, a, b);\n    };\n    case 3: return function(a, b, c){\n      return fn.call(that, a, b, c);\n    };\n  }\n  return function(/* ...args */){\n    return fn.apply(that, arguments);\n  };\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_ctx.js\n// module id = 88\n// module chunks = 0","var isObject = require('./_is-object')\n  , document = require('./_global').document\n  // in old IE typeof document.createElement is 'object'\n  , is = isObject(document) && isObject(document.createElement);\nmodule.exports = function(it){\n  return is ? document.createElement(it) : {};\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_dom-create.js\n// module id = 89\n// module chunks = 0","var global    = require('./_global')\n  , core      = require('./_core')\n  , ctx       = require('./_ctx')\n  , hide      = require('./_hide')\n  , PROTOTYPE = 'prototype';\n\nvar $export = function(type, name, source){\n  var IS_FORCED = type & $export.F\n    , IS_GLOBAL = type & $export.G\n    , IS_STATIC = type & $export.S\n    , IS_PROTO  = type & $export.P\n    , IS_BIND   = type & $export.B\n    , IS_WRAP   = type & $export.W\n    , exports   = IS_GLOBAL ? core : core[name] || (core[name] = {})\n    , expProto  = exports[PROTOTYPE]\n    , target    = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE]\n    , key, own, out;\n  if(IS_GLOBAL)source = name;\n  for(key in source){\n    // contains in native\n    own = !IS_FORCED && target && target[key] !== undefined;\n    if(own && key in exports)continue;\n    // export native or passed\n    out = own ? target[key] : source[key];\n    // prevent global pollution for namespaces\n    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n    // bind timers to global for call from export context\n    : IS_BIND && own ? ctx(out, global)\n    // wrap global constructors for prevent change them in library\n    : IS_WRAP && target[key] == out ? (function(C){\n      var F = function(a, b, c){\n        if(this instanceof C){\n          switch(arguments.length){\n            case 0: return new C;\n            case 1: return new C(a);\n            case 2: return new C(a, b);\n          } return new C(a, b, c);\n        } return C.apply(this, arguments);\n      };\n      F[PROTOTYPE] = C[PROTOTYPE];\n      return F;\n    // make static versions for prototype methods\n    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n    if(IS_PROTO){\n      (exports.virtual || (exports.virtual = {}))[key] = out;\n      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n      if(type & $export.R && expProto && !expProto[key])hide(expProto, key, out);\n    }\n  }\n};\n// type bitmap\n$export.F = 1;   // forced\n$export.G = 2;   // global\n$export.S = 4;   // static\n$export.P = 8;   // proto\n$export.B = 16;  // bind\n$export.W = 32;  // wrap\n$export.U = 64;  // safe\n$export.R = 128; // real proto method for `library` \nmodule.exports = $export;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_export.js\n// module id = 90\n// module chunks = 0","var dP         = require('./_object-dp')\n  , createDesc = require('./_property-desc');\nmodule.exports = require('./_descriptors') ? function(object, key, value){\n  return dP.f(object, key, createDesc(1, value));\n} : function(object, key, value){\n  object[key] = value;\n  return object;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_hide.js\n// module id = 91\n// module chunks = 0","module.exports = !require('./_descriptors') && !require('./_fails')(function(){\n  return Object.defineProperty(require('./_dom-create')('div'), 'a', {get: function(){ return 7; }}).a != 7;\n});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_ie8-dom-define.js\n// module id = 92\n// module chunks = 0","module.exports = function(bitmap, value){\n  return {\n    enumerable  : !(bitmap & 1),\n    configurable: !(bitmap & 2),\n    writable    : !(bitmap & 4),\n    value       : value\n  };\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_property-desc.js\n// module id = 93\n// module chunks = 0","// 7.1.1 ToPrimitive(input [, PreferredType])\nvar isObject = require('./_is-object');\n// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n// and the second argument - flag - preferred type is a string\nmodule.exports = function(it, S){\n  if(!isObject(it))return it;\n  var fn, val;\n  if(S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n  if(typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it)))return val;\n  if(!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n  throw TypeError(\"Can't convert object to primitive value\");\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_to-primitive.js\n// module id = 94\n// module chunks = 0","var $export = require('./_export');\n// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n$export($export.S + $export.F * !require('./_descriptors'), 'Object', {defineProperty: require('./_object-dp').f});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/es6.object.define-property.js\n// module id = 95\n// module chunks = 0","/**\n * @license\n * Lodash <https://lodash.com/>\n * Copyright JS Foundation and other contributors <https://js.foundation/>\n * Released under MIT license <https://lodash.com/license>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n  var undefined;\n\n  /** Used as the semantic version number. */\n  var VERSION = '4.17.4';\n\n  /** Used as the size to enable large array optimizations. */\n  var LARGE_ARRAY_SIZE = 200;\n\n  /** Error message constants. */\n  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n      FUNC_ERROR_TEXT = 'Expected a function';\n\n  /** Used to stand-in for `undefined` hash values. */\n  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n  /** Used as the maximum memoize cache size. */\n  var MAX_MEMOIZE_SIZE = 500;\n\n  /** Used as the internal argument placeholder. */\n  var PLACEHOLDER = '__lodash_placeholder__';\n\n  /** Used to compose bitmasks for cloning. */\n  var CLONE_DEEP_FLAG = 1,\n      CLONE_FLAT_FLAG = 2,\n      CLONE_SYMBOLS_FLAG = 4;\n\n  /** Used to compose bitmasks for value comparisons. */\n  var COMPARE_PARTIAL_FLAG = 1,\n      COMPARE_UNORDERED_FLAG = 2;\n\n  /** Used to compose bitmasks for function metadata. */\n  var WRAP_BIND_FLAG = 1,\n      WRAP_BIND_KEY_FLAG = 2,\n      WRAP_CURRY_BOUND_FLAG = 4,\n      WRAP_CURRY_FLAG = 8,\n      WRAP_CURRY_RIGHT_FLAG = 16,\n      WRAP_PARTIAL_FLAG = 32,\n      WRAP_PARTIAL_RIGHT_FLAG = 64,\n      WRAP_ARY_FLAG = 128,\n      WRAP_REARG_FLAG = 256,\n      WRAP_FLIP_FLAG = 512;\n\n  /** Used as default options for `_.truncate`. */\n  var DEFAULT_TRUNC_LENGTH = 30,\n      DEFAULT_TRUNC_OMISSION = '...';\n\n  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n  var HOT_COUNT = 800,\n      HOT_SPAN = 16;\n\n  /** Used to indicate the type of lazy iteratees. */\n  var LAZY_FILTER_FLAG = 1,\n      LAZY_MAP_FLAG = 2,\n      LAZY_WHILE_FLAG = 3;\n\n  /** Used as references for various `Number` constants. */\n  var INFINITY = 1 / 0,\n      MAX_SAFE_INTEGER = 9007199254740991,\n      MAX_INTEGER = 1.7976931348623157e+308,\n      NAN = 0 / 0;\n\n  /** Used as references for the maximum length and index of an array. */\n  var MAX_ARRAY_LENGTH = 4294967295,\n      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n  /** Used to associate wrap methods with their bit flags. */\n  var wrapFlags = [\n    ['ary', WRAP_ARY_FLAG],\n    ['bind', WRAP_BIND_FLAG],\n    ['bindKey', WRAP_BIND_KEY_FLAG],\n    ['curry', WRAP_CURRY_FLAG],\n    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n    ['flip', WRAP_FLIP_FLAG],\n    ['partial', WRAP_PARTIAL_FLAG],\n    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n    ['rearg', WRAP_REARG_FLAG]\n  ];\n\n  /** `Object#toString` result references. */\n  var argsTag = '[object Arguments]',\n      arrayTag = '[object Array]',\n      asyncTag = '[object AsyncFunction]',\n      boolTag = '[object Boolean]',\n      dateTag = '[object Date]',\n      domExcTag = '[object DOMException]',\n      errorTag = '[object Error]',\n      funcTag = '[object Function]',\n      genTag = '[object GeneratorFunction]',\n      mapTag = '[object Map]',\n      numberTag = '[object Number]',\n      nullTag = '[object Null]',\n      objectTag = '[object Object]',\n      promiseTag = '[object Promise]',\n      proxyTag = '[object Proxy]',\n      regexpTag = '[object RegExp]',\n      setTag = '[object Set]',\n      stringTag = '[object String]',\n      symbolTag = '[object Symbol]',\n      undefinedTag = '[object Undefined]',\n      weakMapTag = '[object WeakMap]',\n      weakSetTag = '[object WeakSet]';\n\n  var arrayBufferTag = '[object ArrayBuffer]',\n      dataViewTag = '[object DataView]',\n      float32Tag = '[object Float32Array]',\n      float64Tag = '[object Float64Array]',\n      int8Tag = '[object Int8Array]',\n      int16Tag = '[object Int16Array]',\n      int32Tag = '[object Int32Array]',\n      uint8Tag = '[object Uint8Array]',\n      uint8ClampedTag = '[object Uint8ClampedArray]',\n      uint16Tag = '[object Uint16Array]',\n      uint32Tag = '[object Uint32Array]';\n\n  /** Used to match empty string literals in compiled template source. */\n  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n  /** Used to match HTML entities and HTML characters. */\n  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n      reUnescapedHtml = /[&<>\"']/g,\n      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n  /** Used to match template delimiters. */\n  var reEscape = /<%-([\\s\\S]+?)%>/g,\n      reEvaluate = /<%([\\s\\S]+?)%>/g,\n      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n  /** Used to match property names within property paths. */\n  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n      reIsPlainProp = /^\\w*$/,\n      reLeadingDot = /^\\./,\n      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n  /**\n   * Used to match `RegExp`\n   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n   */\n  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n      reHasRegExpChar = RegExp(reRegExpChar.source);\n\n  /** Used to match leading and trailing whitespace. */\n  var reTrim = /^\\s+|\\s+$/g,\n      reTrimStart = /^\\s+/,\n      reTrimEnd = /\\s+$/;\n\n  /** Used to match wrap detail comments. */\n  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n      reSplitDetails = /,? & /;\n\n  /** Used to match words composed of alphanumeric characters. */\n  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n  /** Used to match backslashes in property paths. */\n  var reEscapeChar = /\\\\(\\\\)?/g;\n\n  /**\n   * Used to match\n   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n   */\n  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n  /** Used to match `RegExp` flags from their coerced string values. */\n  var reFlags = /\\w*$/;\n\n  /** Used to detect bad signed hexadecimal string values. */\n  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n  /** Used to detect binary string values. */\n  var reIsBinary = /^0b[01]+$/i;\n\n  /** Used to detect host constructors (Safari). */\n  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n  /** Used to detect octal string values. */\n  var reIsOctal = /^0o[0-7]+$/i;\n\n  /** Used to detect unsigned integer values. */\n  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n  /** Used to ensure capturing order of template delimiters. */\n  var reNoMatch = /($^)/;\n\n  /** Used to match unescaped characters in compiled string literals. */\n  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n  /** Used to compose unicode character classes. */\n  var rsAstralRange = '\\\\ud800-\\\\udfff',\n      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n  /** Used to compose unicode capture groups. */\n  var rsApos = \"['\\u2019]\",\n      rsAstral = '[' + rsAstralRange + ']',\n      rsBreak = '[' + rsBreakRange + ']',\n      rsCombo = '[' + rsComboRange + ']',\n      rsDigits = '\\\\d+',\n      rsDingbat = '[' + rsDingbatRange + ']',\n      rsLower = '[' + rsLowerRange + ']',\n      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n      rsNonAstral = '[^' + rsAstralRange + ']',\n      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n      rsUpper = '[' + rsUpperRange + ']',\n      rsZWJ = '\\\\u200d';\n\n  /** Used to compose unicode regexes. */\n  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n      reOptMod = rsModifier + '?',\n      rsOptVar = '[' + rsVarRange + ']?',\n      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n  /** Used to match apostrophes. */\n  var reApos = RegExp(rsApos, 'g');\n\n  /**\n   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n   */\n  var reComboMark = RegExp(rsCombo, 'g');\n\n  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n  /** Used to match complex or compound words. */\n  var reUnicodeWord = RegExp([\n    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n    rsUpper + '+' + rsOptContrUpper,\n    rsOrdUpper,\n    rsOrdLower,\n    rsDigits,\n    rsEmoji\n  ].join('|'), 'g');\n\n  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\n  /** Used to detect strings that need a more robust regexp to match words. */\n  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n  /** Used to assign default `context` object properties. */\n  var contextProps = [\n    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n  ];\n\n  /** Used to make template sourceURLs easier to identify. */\n  var templateCounter = -1;\n\n  /** Used to identify `toStringTag` values of typed arrays. */\n  var typedArrayTags = {};\n  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n  typedArrayTags[uint32Tag] = true;\n  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n  typedArrayTags[weakMapTag] = false;\n\n  /** Used to identify `toStringTag` values supported by `_.clone`. */\n  var cloneableTags = {};\n  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n  cloneableTags[boolTag] = cloneableTags[dateTag] =\n  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n  cloneableTags[numberTag] = cloneableTags[objectTag] =\n  cloneableTags[regexpTag] = cloneableTags[setTag] =\n  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n  cloneableTags[errorTag] = cloneableTags[funcTag] =\n  cloneableTags[weakMapTag] = false;\n\n  /** Used to map Latin Unicode letters to basic Latin letters. */\n  var deburredLetters = {\n    // Latin-1 Supplement block.\n    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n    '\\xc7': 'C',  '\\xe7': 'c',\n    '\\xd0': 'D',  '\\xf0': 'd',\n    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n    '\\xd1': 'N',  '\\xf1': 'n',\n    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n    '\\xc6': 'Ae', '\\xe6': 'ae',\n    '\\xde': 'Th', '\\xfe': 'th',\n    '\\xdf': 'ss',\n    // Latin Extended-A block.\n    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n    '\\u0134': 'J',  '\\u0135': 'j',\n    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n    '\\u0174': 'W',  '\\u0175': 'w',\n    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n    '\\u0132': 'IJ', '\\u0133': 'ij',\n    '\\u0152': 'Oe', '\\u0153': 'oe',\n    '\\u0149': \"'n\", '\\u017f': 's'\n  };\n\n  /** Used to map characters to HTML entities. */\n  var htmlEscapes = {\n    '&': '&amp;',\n    '<': '&lt;',\n    '>': '&gt;',\n    '\"': '&quot;',\n    \"'\": '&#39;'\n  };\n\n  /** Used to map HTML entities to characters. */\n  var htmlUnescapes = {\n    '&amp;': '&',\n    '&lt;': '<',\n    '&gt;': '>',\n    '&quot;': '\"',\n    '&#39;': \"'\"\n  };\n\n  /** Used to escape characters for inclusion in compiled string literals. */\n  var stringEscapes = {\n    '\\\\': '\\\\',\n    \"'\": \"'\",\n    '\\n': 'n',\n    '\\r': 'r',\n    '\\u2028': 'u2028',\n    '\\u2029': 'u2029'\n  };\n\n  /** Built-in method references without a dependency on `root`. */\n  var freeParseFloat = parseFloat,\n      freeParseInt = parseInt;\n\n  /** Detect free variable `global` from Node.js. */\n  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n  /** Detect free variable `self`. */\n  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n  /** Used as a reference to the global object. */\n  var root = freeGlobal || freeSelf || Function('return this')();\n\n  /** Detect free variable `exports`. */\n  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n  /** Detect free variable `module`. */\n  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n  /** Detect the popular CommonJS extension `module.exports`. */\n  var moduleExports = freeModule && freeModule.exports === freeExports;\n\n  /** Detect free variable `process` from Node.js. */\n  var freeProcess = moduleExports && freeGlobal.process;\n\n  /** Used to access faster Node.js helpers. */\n  var nodeUtil = (function() {\n    try {\n      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n    } catch (e) {}\n  }());\n\n  /* Node.js helper references. */\n  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n      nodeIsDate = nodeUtil && nodeUtil.isDate,\n      nodeIsMap = nodeUtil && nodeUtil.isMap,\n      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n      nodeIsSet = nodeUtil && nodeUtil.isSet,\n      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Adds the key-value `pair` to `map`.\n   *\n   * @private\n   * @param {Object} map The map to modify.\n   * @param {Array} pair The key-value pair to add.\n   * @returns {Object} Returns `map`.\n   */\n  function addMapEntry(map, pair) {\n    // Don't return `map.set` because it's not chainable in IE 11.\n    map.set(pair[0], pair[1]);\n    return map;\n  }\n\n  /**\n   * Adds `value` to `set`.\n   *\n   * @private\n   * @param {Object} set The set to modify.\n   * @param {*} value The value to add.\n   * @returns {Object} Returns `set`.\n   */\n  function addSetEntry(set, value) {\n    // Don't return `set.add` because it's not chainable in IE 11.\n    set.add(value);\n    return set;\n  }\n\n  /**\n   * A faster alternative to `Function#apply`, this function invokes `func`\n   * with the `this` binding of `thisArg` and the arguments of `args`.\n   *\n   * @private\n   * @param {Function} func The function to invoke.\n   * @param {*} thisArg The `this` binding of `func`.\n   * @param {Array} args The arguments to invoke `func` with.\n   * @returns {*} Returns the result of `func`.\n   */\n  function apply(func, thisArg, args) {\n    switch (args.length) {\n      case 0: return func.call(thisArg);\n      case 1: return func.call(thisArg, args[0]);\n      case 2: return func.call(thisArg, args[0], args[1]);\n      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n    }\n    return func.apply(thisArg, args);\n  }\n\n  /**\n   * A specialized version of `baseAggregator` for arrays.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} setter The function to set `accumulator` values.\n   * @param {Function} iteratee The iteratee to transform keys.\n   * @param {Object} accumulator The initial aggregated object.\n   * @returns {Function} Returns `accumulator`.\n   */\n  function arrayAggregator(array, setter, iteratee, accumulator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      var value = array[index];\n      setter(accumulator, value, iteratee(value), array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.forEach` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEach(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (iteratee(array[index], index, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.forEachRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEachRight(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n\n    while (length--) {\n      if (iteratee(array[length], length, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.every` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n   *  else `false`.\n   */\n  function arrayEvery(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (!predicate(array[index], index, array)) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * A specialized version of `_.filter` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {Array} Returns the new filtered array.\n   */\n  function arrayFilter(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (predicate(value, index, array)) {\n        result[resIndex++] = value;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.includes` for arrays without support for\n   * specifying an index to search from.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludes(array, value) {\n    var length = array == null ? 0 : array.length;\n    return !!length && baseIndexOf(array, value, 0) > -1;\n  }\n\n  /**\n   * This function is like `arrayIncludes` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludesWith(array, value, comparator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (comparator(value, array[index])) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * A specialized version of `_.map` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the new mapped array.\n   */\n  function arrayMap(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        result = Array(length);\n\n    while (++index < length) {\n      result[index] = iteratee(array[index], index, array);\n    }\n    return result;\n  }\n\n  /**\n   * Appends the elements of `values` to `array`.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {Array} values The values to append.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayPush(array, values) {\n    var index = -1,\n        length = values.length,\n        offset = array.length;\n\n    while (++index < length) {\n      array[offset + index] = values[index];\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.reduce` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the first element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduce(array, iteratee, accumulator, initAccum) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    if (initAccum && length) {\n      accumulator = array[++index];\n    }\n    while (++index < length) {\n      accumulator = iteratee(accumulator, array[index], index, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.reduceRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the last element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n    var length = array == null ? 0 : array.length;\n    if (initAccum && length) {\n      accumulator = array[--length];\n    }\n    while (length--) {\n      accumulator = iteratee(accumulator, array[length], length, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.some` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if any element passes the predicate check,\n   *  else `false`.\n   */\n  function arraySome(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (predicate(array[index], index, array)) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * Gets the size of an ASCII `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  var asciiSize = baseProperty('length');\n\n  /**\n   * Converts an ASCII `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function asciiToArray(string) {\n    return string.split('');\n  }\n\n  /**\n   * Splits an ASCII `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function asciiWords(string) {\n    return string.match(reAsciiWord) || [];\n  }\n\n  /**\n   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n   * without support for iteratee shorthands, which iterates over `collection`\n   * using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the found element or its key, else `undefined`.\n   */\n  function baseFindKey(collection, predicate, eachFunc) {\n    var result;\n    eachFunc(collection, function(value, key, collection) {\n      if (predicate(value, key, collection)) {\n        result = key;\n        return false;\n      }\n    });\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n   * support for iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {number} fromIndex The index to search from.\n   * @param {boolean} [fromRight] Specify iterating from right to left.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n    var length = array.length,\n        index = fromIndex + (fromRight ? 1 : -1);\n\n    while ((fromRight ? index-- : ++index < length)) {\n      if (predicate(array[index], index, array)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOf(array, value, fromIndex) {\n    return value === value\n      ? strictIndexOf(array, value, fromIndex)\n      : baseFindIndex(array, baseIsNaN, fromIndex);\n  }\n\n  /**\n   * This function is like `baseIndexOf` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOfWith(array, value, fromIndex, comparator) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (comparator(array[index], value)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.isNaN` without support for number objects.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n   */\n  function baseIsNaN(value) {\n    return value !== value;\n  }\n\n  /**\n   * The base implementation of `_.mean` and `_.meanBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the mean.\n   */\n  function baseMean(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n    return length ? (baseSum(array, iteratee) / length) : NAN;\n  }\n\n  /**\n   * The base implementation of `_.property` without support for deep paths.\n   *\n   * @private\n   * @param {string} key The key of the property to get.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function baseProperty(key) {\n    return function(object) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.propertyOf` without support for deep paths.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function basePropertyOf(object) {\n    return function(key) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} accumulator The initial value.\n   * @param {boolean} initAccum Specify using the first or last element of\n   *  `collection` as the initial value.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the accumulated value.\n   */\n  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n    eachFunc(collection, function(value, index, collection) {\n      accumulator = initAccum\n        ? (initAccum = false, value)\n        : iteratee(accumulator, value, index, collection);\n    });\n    return accumulator;\n  }\n\n  /**\n   * The base implementation of `_.sortBy` which uses `comparer` to define the\n   * sort order of `array` and replaces criteria objects with their corresponding\n   * values.\n   *\n   * @private\n   * @param {Array} array The array to sort.\n   * @param {Function} comparer The function to define sort order.\n   * @returns {Array} Returns `array`.\n   */\n  function baseSortBy(array, comparer) {\n    var length = array.length;\n\n    array.sort(comparer);\n    while (length--) {\n      array[length] = array[length].value;\n    }\n    return array;\n  }\n\n  /**\n   * The base implementation of `_.sum` and `_.sumBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the sum.\n   */\n  function baseSum(array, iteratee) {\n    var result,\n        index = -1,\n        length = array.length;\n\n    while (++index < length) {\n      var current = iteratee(array[index]);\n      if (current !== undefined) {\n        result = result === undefined ? current : (result + current);\n      }\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.times` without support for iteratee shorthands\n   * or max array length checks.\n   *\n   * @private\n   * @param {number} n The number of times to invoke `iteratee`.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the array of results.\n   */\n  function baseTimes(n, iteratee) {\n    var index = -1,\n        result = Array(n);\n\n    while (++index < n) {\n      result[index] = iteratee(index);\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n   * of key-value pairs for `object` corresponding to the property names of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the key-value pairs.\n   */\n  function baseToPairs(object, props) {\n    return arrayMap(props, function(key) {\n      return [key, object[key]];\n    });\n  }\n\n  /**\n   * The base implementation of `_.unary` without support for storing metadata.\n   *\n   * @private\n   * @param {Function} func The function to cap arguments for.\n   * @returns {Function} Returns the new capped function.\n   */\n  function baseUnary(func) {\n    return function(value) {\n      return func(value);\n    };\n  }\n\n  /**\n   * The base implementation of `_.values` and `_.valuesIn` which creates an\n   * array of `object` property values corresponding to the property names\n   * of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the array of property values.\n   */\n  function baseValues(object, props) {\n    return arrayMap(props, function(key) {\n      return object[key];\n    });\n  }\n\n  /**\n   * Checks if a `cache` value for `key` exists.\n   *\n   * @private\n   * @param {Object} cache The cache to query.\n   * @param {string} key The key of the entry to check.\n   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n   */\n  function cacheHas(cache, key) {\n    return cache.has(key);\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the first unmatched string symbol.\n   */\n  function charsStartIndex(strSymbols, chrSymbols) {\n    var index = -1,\n        length = strSymbols.length;\n\n    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the last unmatched string symbol.\n   */\n  function charsEndIndex(strSymbols, chrSymbols) {\n    var index = strSymbols.length;\n\n    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Gets the number of `placeholder` occurrences in `array`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} placeholder The placeholder to search for.\n   * @returns {number} Returns the placeholder count.\n   */\n  function countHolders(array, placeholder) {\n    var length = array.length,\n        result = 0;\n\n    while (length--) {\n      if (array[length] === placeholder) {\n        ++result;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n   * letters to basic Latin letters.\n   *\n   * @private\n   * @param {string} letter The matched letter to deburr.\n   * @returns {string} Returns the deburred letter.\n   */\n  var deburrLetter = basePropertyOf(deburredLetters);\n\n  /**\n   * Used by `_.escape` to convert characters to HTML entities.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n  /**\n   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  function escapeStringChar(chr) {\n    return '\\\\' + stringEscapes[chr];\n  }\n\n  /**\n   * Gets the value at `key` of `object`.\n   *\n   * @private\n   * @param {Object} [object] The object to query.\n   * @param {string} key The key of the property to get.\n   * @returns {*} Returns the property value.\n   */\n  function getValue(object, key) {\n    return object == null ? undefined : object[key];\n  }\n\n  /**\n   * Checks if `string` contains Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n   */\n  function hasUnicode(string) {\n    return reHasUnicode.test(string);\n  }\n\n  /**\n   * Checks if `string` contains a word composed of Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a word is found, else `false`.\n   */\n  function hasUnicodeWord(string) {\n    return reHasUnicodeWord.test(string);\n  }\n\n  /**\n   * Converts `iterator` to an array.\n   *\n   * @private\n   * @param {Object} iterator The iterator to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function iteratorToArray(iterator) {\n    var data,\n        result = [];\n\n    while (!(data = iterator.next()).done) {\n      result.push(data.value);\n    }\n    return result;\n  }\n\n  /**\n   * Converts `map` to its key-value pairs.\n   *\n   * @private\n   * @param {Object} map The map to convert.\n   * @returns {Array} Returns the key-value pairs.\n   */\n  function mapToArray(map) {\n    var index = -1,\n        result = Array(map.size);\n\n    map.forEach(function(value, key) {\n      result[++index] = [key, value];\n    });\n    return result;\n  }\n\n  /**\n   * Creates a unary function that invokes `func` with its argument transformed.\n   *\n   * @private\n   * @param {Function} func The function to wrap.\n   * @param {Function} transform The argument transform.\n   * @returns {Function} Returns the new function.\n   */\n  function overArg(func, transform) {\n    return function(arg) {\n      return func(transform(arg));\n    };\n  }\n\n  /**\n   * Replaces all `placeholder` elements in `array` with an internal placeholder\n   * and returns an array of their indexes.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {*} placeholder The placeholder to replace.\n   * @returns {Array} Returns the new array of placeholder indexes.\n   */\n  function replaceHolders(array, placeholder) {\n    var index = -1,\n        length = array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (value === placeholder || value === PLACEHOLDER) {\n        array[index] = PLACEHOLDER;\n        result[resIndex++] = index;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Converts `set` to an array of its values.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the values.\n   */\n  function setToArray(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = value;\n    });\n    return result;\n  }\n\n  /**\n   * Converts `set` to its value-value pairs.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the value-value pairs.\n   */\n  function setToPairs(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = [value, value];\n    });\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.indexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictIndexOf(array, value, fromIndex) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * A specialized version of `_.lastIndexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictLastIndexOf(array, value, fromIndex) {\n    var index = fromIndex + 1;\n    while (index--) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return index;\n  }\n\n  /**\n   * Gets the number of symbols in `string`.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {number} Returns the string size.\n   */\n  function stringSize(string) {\n    return hasUnicode(string)\n      ? unicodeSize(string)\n      : asciiSize(string);\n  }\n\n  /**\n   * Converts `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function stringToArray(string) {\n    return hasUnicode(string)\n      ? unicodeToArray(string)\n      : asciiToArray(string);\n  }\n\n  /**\n   * Used by `_.unescape` to convert HTML entities to characters.\n   *\n   * @private\n   * @param {string} chr The matched character to unescape.\n   * @returns {string} Returns the unescaped character.\n   */\n  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n  /**\n   * Gets the size of a Unicode `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  function unicodeSize(string) {\n    var result = reUnicode.lastIndex = 0;\n    while (reUnicode.test(string)) {\n      ++result;\n    }\n    return result;\n  }\n\n  /**\n   * Converts a Unicode `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function unicodeToArray(string) {\n    return string.match(reUnicode) || [];\n  }\n\n  /**\n   * Splits a Unicode `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function unicodeWords(string) {\n    return string.match(reUnicodeWord) || [];\n  }\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Create a new pristine `lodash` function using the `context` object.\n   *\n   * @static\n   * @memberOf _\n   * @since 1.1.0\n   * @category Util\n   * @param {Object} [context=root] The context object.\n   * @returns {Function} Returns a new `lodash` function.\n   * @example\n   *\n   * _.mixin({ 'foo': _.constant('foo') });\n   *\n   * var lodash = _.runInContext();\n   * lodash.mixin({ 'bar': lodash.constant('bar') });\n   *\n   * _.isFunction(_.foo);\n   * // => true\n   * _.isFunction(_.bar);\n   * // => false\n   *\n   * lodash.isFunction(lodash.foo);\n   * // => false\n   * lodash.isFunction(lodash.bar);\n   * // => true\n   *\n   * // Create a suped-up `defer` in Node.js.\n   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n   */\n  var runInContext = (function runInContext(context) {\n    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n    /** Built-in constructor references. */\n    var Array = context.Array,\n        Date = context.Date,\n        Error = context.Error,\n        Function = context.Function,\n        Math = context.Math,\n        Object = context.Object,\n        RegExp = context.RegExp,\n        String = context.String,\n        TypeError = context.TypeError;\n\n    /** Used for built-in method references. */\n    var arrayProto = Array.prototype,\n        funcProto = Function.prototype,\n        objectProto = Object.prototype;\n\n    /** Used to detect overreaching core-js shims. */\n    var coreJsData = context['__core-js_shared__'];\n\n    /** Used to resolve the decompiled source of functions. */\n    var funcToString = funcProto.toString;\n\n    /** Used to check objects for own properties. */\n    var hasOwnProperty = objectProto.hasOwnProperty;\n\n    /** Used to generate unique IDs. */\n    var idCounter = 0;\n\n    /** Used to detect methods masquerading as native. */\n    var maskSrcKey = (function() {\n      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n      return uid ? ('Symbol(src)_1.' + uid) : '';\n    }());\n\n    /**\n     * Used to resolve the\n     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n     * of values.\n     */\n    var nativeObjectToString = objectProto.toString;\n\n    /** Used to infer the `Object` constructor. */\n    var objectCtorString = funcToString.call(Object);\n\n    /** Used to restore the original `_` reference in `_.noConflict`. */\n    var oldDash = root._;\n\n    /** Used to detect if a method is native. */\n    var reIsNative = RegExp('^' +\n      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n    );\n\n    /** Built-in value references. */\n    var Buffer = moduleExports ? context.Buffer : undefined,\n        Symbol = context.Symbol,\n        Uint8Array = context.Uint8Array,\n        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n        getPrototype = overArg(Object.getPrototypeOf, Object),\n        objectCreate = Object.create,\n        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n        splice = arrayProto.splice,\n        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n        symIterator = Symbol ? Symbol.iterator : undefined,\n        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n    var defineProperty = (function() {\n      try {\n        var func = getNative(Object, 'defineProperty');\n        func({}, '', {});\n        return func;\n      } catch (e) {}\n    }());\n\n    /** Mocked built-ins. */\n    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n    /* Built-in method references for those with the same name as other `lodash` methods. */\n    var nativeCeil = Math.ceil,\n        nativeFloor = Math.floor,\n        nativeGetSymbols = Object.getOwnPropertySymbols,\n        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n        nativeIsFinite = context.isFinite,\n        nativeJoin = arrayProto.join,\n        nativeKeys = overArg(Object.keys, Object),\n        nativeMax = Math.max,\n        nativeMin = Math.min,\n        nativeNow = Date.now,\n        nativeParseInt = context.parseInt,\n        nativeRandom = Math.random,\n        nativeReverse = arrayProto.reverse;\n\n    /* Built-in method references that are verified to be native. */\n    var DataView = getNative(context, 'DataView'),\n        Map = getNative(context, 'Map'),\n        Promise = getNative(context, 'Promise'),\n        Set = getNative(context, 'Set'),\n        WeakMap = getNative(context, 'WeakMap'),\n        nativeCreate = getNative(Object, 'create');\n\n    /** Used to store function metadata. */\n    var metaMap = WeakMap && new WeakMap;\n\n    /** Used to lookup unminified function names. */\n    var realNames = {};\n\n    /** Used to detect maps, sets, and weakmaps. */\n    var dataViewCtorString = toSource(DataView),\n        mapCtorString = toSource(Map),\n        promiseCtorString = toSource(Promise),\n        setCtorString = toSource(Set),\n        weakMapCtorString = toSource(WeakMap);\n\n    /** Used to convert symbols to primitives and strings. */\n    var symbolProto = Symbol ? Symbol.prototype : undefined,\n        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` object which wraps `value` to enable implicit method\n     * chain sequences. Methods that operate on and return arrays, collections,\n     * and functions can be chained together. Methods that retrieve a single value\n     * or may return a primitive value will automatically end the chain sequence\n     * and return the unwrapped value. Otherwise, the value must be unwrapped\n     * with `_#value`.\n     *\n     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n     * enabled using `_.chain`.\n     *\n     * The execution of chained methods is lazy, that is, it's deferred until\n     * `_#value` is implicitly or explicitly called.\n     *\n     * Lazy evaluation allows several methods to support shortcut fusion.\n     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n     * the creation of intermediate arrays and can greatly reduce the number of\n     * iteratee executions. Sections of a chain sequence qualify for shortcut\n     * fusion if the section is applied to an array and iteratees accept only\n     * one argument. The heuristic for whether a section qualifies for shortcut\n     * fusion is subject to change.\n     *\n     * Chaining is supported in custom builds as long as the `_#value` method is\n     * directly or indirectly included in the build.\n     *\n     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n     *\n     * The wrapper `Array` methods are:\n     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n     *\n     * The wrapper `String` methods are:\n     * `replace` and `split`\n     *\n     * The wrapper methods that support shortcut fusion are:\n     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n     *\n     * The chainable wrapper methods are:\n     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n     * `zipObject`, `zipObjectDeep`, and `zipWith`\n     *\n     * The wrapper methods that are **not** chainable by default are:\n     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n     * `upperFirst`, `value`, and `words`\n     *\n     * @name _\n     * @constructor\n     * @category Seq\n     * @param {*} value The value to wrap in a `lodash` instance.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2, 3]);\n     *\n     * // Returns an unwrapped value.\n     * wrapped.reduce(_.add);\n     * // => 6\n     *\n     * // Returns a wrapped value.\n     * var squares = wrapped.map(square);\n     *\n     * _.isArray(squares);\n     * // => false\n     *\n     * _.isArray(squares.value());\n     * // => true\n     */\n    function lodash(value) {\n      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n        if (value instanceof LodashWrapper) {\n          return value;\n        }\n        if (hasOwnProperty.call(value, '__wrapped__')) {\n          return wrapperClone(value);\n        }\n      }\n      return new LodashWrapper(value);\n    }\n\n    /**\n     * The base implementation of `_.create` without support for assigning\n     * properties to the created object.\n     *\n     * @private\n     * @param {Object} proto The object to inherit from.\n     * @returns {Object} Returns the new object.\n     */\n    var baseCreate = (function() {\n      function object() {}\n      return function(proto) {\n        if (!isObject(proto)) {\n          return {};\n        }\n        if (objectCreate) {\n          return objectCreate(proto);\n        }\n        object.prototype = proto;\n        var result = new object;\n        object.prototype = undefined;\n        return result;\n      };\n    }());\n\n    /**\n     * The function whose prototype chain sequence wrappers inherit from.\n     *\n     * @private\n     */\n    function baseLodash() {\n      // No operation performed.\n    }\n\n    /**\n     * The base constructor for creating `lodash` wrapper objects.\n     *\n     * @private\n     * @param {*} value The value to wrap.\n     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n     */\n    function LodashWrapper(value, chainAll) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__chain__ = !!chainAll;\n      this.__index__ = 0;\n      this.__values__ = undefined;\n    }\n\n    /**\n     * By default, the template delimiters used by lodash are like those in\n     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n     * following template settings to use alternative delimiters.\n     *\n     * @static\n     * @memberOf _\n     * @type {Object}\n     */\n    lodash.templateSettings = {\n\n      /**\n       * Used to detect `data` property values to be HTML-escaped.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'escape': reEscape,\n\n      /**\n       * Used to detect code to be evaluated.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'evaluate': reEvaluate,\n\n      /**\n       * Used to detect `data` property values to inject.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'interpolate': reInterpolate,\n\n      /**\n       * Used to reference the data object in the template text.\n       *\n       * @memberOf _.templateSettings\n       * @type {string}\n       */\n      'variable': '',\n\n      /**\n       * Used to import variables into the compiled template.\n       *\n       * @memberOf _.templateSettings\n       * @type {Object}\n       */\n      'imports': {\n\n        /**\n         * A reference to the `lodash` function.\n         *\n         * @memberOf _.templateSettings.imports\n         * @type {Function}\n         */\n        '_': lodash\n      }\n    };\n\n    // Ensure wrappers are instances of `baseLodash`.\n    lodash.prototype = baseLodash.prototype;\n    lodash.prototype.constructor = lodash;\n\n    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n    LodashWrapper.prototype.constructor = LodashWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n     *\n     * @private\n     * @constructor\n     * @param {*} value The value to wrap.\n     */\n    function LazyWrapper(value) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__dir__ = 1;\n      this.__filtered__ = false;\n      this.__iteratees__ = [];\n      this.__takeCount__ = MAX_ARRAY_LENGTH;\n      this.__views__ = [];\n    }\n\n    /**\n     * Creates a clone of the lazy wrapper object.\n     *\n     * @private\n     * @name clone\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the cloned `LazyWrapper` object.\n     */\n    function lazyClone() {\n      var result = new LazyWrapper(this.__wrapped__);\n      result.__actions__ = copyArray(this.__actions__);\n      result.__dir__ = this.__dir__;\n      result.__filtered__ = this.__filtered__;\n      result.__iteratees__ = copyArray(this.__iteratees__);\n      result.__takeCount__ = this.__takeCount__;\n      result.__views__ = copyArray(this.__views__);\n      return result;\n    }\n\n    /**\n     * Reverses the direction of lazy iteration.\n     *\n     * @private\n     * @name reverse\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n     */\n    function lazyReverse() {\n      if (this.__filtered__) {\n        var result = new LazyWrapper(this);\n        result.__dir__ = -1;\n        result.__filtered__ = true;\n      } else {\n        result = this.clone();\n        result.__dir__ *= -1;\n      }\n      return result;\n    }\n\n    /**\n     * Extracts the unwrapped value from its lazy wrapper.\n     *\n     * @private\n     * @name value\n     * @memberOf LazyWrapper\n     * @returns {*} Returns the unwrapped value.\n     */\n    function lazyValue() {\n      var array = this.__wrapped__.value(),\n          dir = this.__dir__,\n          isArr = isArray(array),\n          isRight = dir < 0,\n          arrLength = isArr ? array.length : 0,\n          view = getView(0, arrLength, this.__views__),\n          start = view.start,\n          end = view.end,\n          length = end - start,\n          index = isRight ? end : (start - 1),\n          iteratees = this.__iteratees__,\n          iterLength = iteratees.length,\n          resIndex = 0,\n          takeCount = nativeMin(length, this.__takeCount__);\n\n      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n        return baseWrapperValue(array, this.__actions__);\n      }\n      var result = [];\n\n      outer:\n      while (length-- && resIndex < takeCount) {\n        index += dir;\n\n        var iterIndex = -1,\n            value = array[index];\n\n        while (++iterIndex < iterLength) {\n          var data = iteratees[iterIndex],\n              iteratee = data.iteratee,\n              type = data.type,\n              computed = iteratee(value);\n\n          if (type == LAZY_MAP_FLAG) {\n            value = computed;\n          } else if (!computed) {\n            if (type == LAZY_FILTER_FLAG) {\n              continue outer;\n            } else {\n              break outer;\n            }\n          }\n        }\n        result[resIndex++] = value;\n      }\n      return result;\n    }\n\n    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n    LazyWrapper.prototype.constructor = LazyWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a hash object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Hash(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the hash.\n     *\n     * @private\n     * @name clear\n     * @memberOf Hash\n     */\n    function hashClear() {\n      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the hash.\n     *\n     * @private\n     * @name delete\n     * @memberOf Hash\n     * @param {Object} hash The hash to modify.\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function hashDelete(key) {\n      var result = this.has(key) && delete this.__data__[key];\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the hash value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Hash\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function hashGet(key) {\n      var data = this.__data__;\n      if (nativeCreate) {\n        var result = data[key];\n        return result === HASH_UNDEFINED ? undefined : result;\n      }\n      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n    }\n\n    /**\n     * Checks if a hash value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Hash\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function hashHas(key) {\n      var data = this.__data__;\n      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n    }\n\n    /**\n     * Sets the hash `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Hash\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the hash instance.\n     */\n    function hashSet(key, value) {\n      var data = this.__data__;\n      this.size += this.has(key) ? 0 : 1;\n      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n      return this;\n    }\n\n    // Add methods to `Hash`.\n    Hash.prototype.clear = hashClear;\n    Hash.prototype['delete'] = hashDelete;\n    Hash.prototype.get = hashGet;\n    Hash.prototype.has = hashHas;\n    Hash.prototype.set = hashSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an list cache object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function ListCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the list cache.\n     *\n     * @private\n     * @name clear\n     * @memberOf ListCache\n     */\n    function listCacheClear() {\n      this.__data__ = [];\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the list cache.\n     *\n     * @private\n     * @name delete\n     * @memberOf ListCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function listCacheDelete(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        return false;\n      }\n      var lastIndex = data.length - 1;\n      if (index == lastIndex) {\n        data.pop();\n      } else {\n        splice.call(data, index, 1);\n      }\n      --this.size;\n      return true;\n    }\n\n    /**\n     * Gets the list cache value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf ListCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function listCacheGet(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      return index < 0 ? undefined : data[index][1];\n    }\n\n    /**\n     * Checks if a list cache value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf ListCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function listCacheHas(key) {\n      return assocIndexOf(this.__data__, key) > -1;\n    }\n\n    /**\n     * Sets the list cache `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf ListCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the list cache instance.\n     */\n    function listCacheSet(key, value) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        ++this.size;\n        data.push([key, value]);\n      } else {\n        data[index][1] = value;\n      }\n      return this;\n    }\n\n    // Add methods to `ListCache`.\n    ListCache.prototype.clear = listCacheClear;\n    ListCache.prototype['delete'] = listCacheDelete;\n    ListCache.prototype.get = listCacheGet;\n    ListCache.prototype.has = listCacheHas;\n    ListCache.prototype.set = listCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a map cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function MapCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the map.\n     *\n     * @private\n     * @name clear\n     * @memberOf MapCache\n     */\n    function mapCacheClear() {\n      this.size = 0;\n      this.__data__ = {\n        'hash': new Hash,\n        'map': new (Map || ListCache),\n        'string': new Hash\n      };\n    }\n\n    /**\n     * Removes `key` and its value from the map.\n     *\n     * @private\n     * @name delete\n     * @memberOf MapCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function mapCacheDelete(key) {\n      var result = getMapData(this, key)['delete'](key);\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the map value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf MapCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function mapCacheGet(key) {\n      return getMapData(this, key).get(key);\n    }\n\n    /**\n     * Checks if a map value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf MapCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function mapCacheHas(key) {\n      return getMapData(this, key).has(key);\n    }\n\n    /**\n     * Sets the map `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf MapCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the map cache instance.\n     */\n    function mapCacheSet(key, value) {\n      var data = getMapData(this, key),\n          size = data.size;\n\n      data.set(key, value);\n      this.size += data.size == size ? 0 : 1;\n      return this;\n    }\n\n    // Add methods to `MapCache`.\n    MapCache.prototype.clear = mapCacheClear;\n    MapCache.prototype['delete'] = mapCacheDelete;\n    MapCache.prototype.get = mapCacheGet;\n    MapCache.prototype.has = mapCacheHas;\n    MapCache.prototype.set = mapCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     *\n     * Creates an array cache object to store unique values.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [values] The values to cache.\n     */\n    function SetCache(values) {\n      var index = -1,\n          length = values == null ? 0 : values.length;\n\n      this.__data__ = new MapCache;\n      while (++index < length) {\n        this.add(values[index]);\n      }\n    }\n\n    /**\n     * Adds `value` to the array cache.\n     *\n     * @private\n     * @name add\n     * @memberOf SetCache\n     * @alias push\n     * @param {*} value The value to cache.\n     * @returns {Object} Returns the cache instance.\n     */\n    function setCacheAdd(value) {\n      this.__data__.set(value, HASH_UNDEFINED);\n      return this;\n    }\n\n    /**\n     * Checks if `value` is in the array cache.\n     *\n     * @private\n     * @name has\n     * @memberOf SetCache\n     * @param {*} value The value to search for.\n     * @returns {number} Returns `true` if `value` is found, else `false`.\n     */\n    function setCacheHas(value) {\n      return this.__data__.has(value);\n    }\n\n    // Add methods to `SetCache`.\n    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n    SetCache.prototype.has = setCacheHas;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a stack cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Stack(entries) {\n      var data = this.__data__ = new ListCache(entries);\n      this.size = data.size;\n    }\n\n    /**\n     * Removes all key-value entries from the stack.\n     *\n     * @private\n     * @name clear\n     * @memberOf Stack\n     */\n    function stackClear() {\n      this.__data__ = new ListCache;\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the stack.\n     *\n     * @private\n     * @name delete\n     * @memberOf Stack\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function stackDelete(key) {\n      var data = this.__data__,\n          result = data['delete'](key);\n\n      this.size = data.size;\n      return result;\n    }\n\n    /**\n     * Gets the stack value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Stack\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function stackGet(key) {\n      return this.__data__.get(key);\n    }\n\n    /**\n     * Checks if a stack value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Stack\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function stackHas(key) {\n      return this.__data__.has(key);\n    }\n\n    /**\n     * Sets the stack `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Stack\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the stack cache instance.\n     */\n    function stackSet(key, value) {\n      var data = this.__data__;\n      if (data instanceof ListCache) {\n        var pairs = data.__data__;\n        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n          pairs.push([key, value]);\n          this.size = ++data.size;\n          return this;\n        }\n        data = this.__data__ = new MapCache(pairs);\n      }\n      data.set(key, value);\n      this.size = data.size;\n      return this;\n    }\n\n    // Add methods to `Stack`.\n    Stack.prototype.clear = stackClear;\n    Stack.prototype['delete'] = stackDelete;\n    Stack.prototype.get = stackGet;\n    Stack.prototype.has = stackHas;\n    Stack.prototype.set = stackSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of the enumerable property names of the array-like `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @param {boolean} inherited Specify returning inherited property names.\n     * @returns {Array} Returns the array of property names.\n     */\n    function arrayLikeKeys(value, inherited) {\n      var isArr = isArray(value),\n          isArg = !isArr && isArguments(value),\n          isBuff = !isArr && !isArg && isBuffer(value),\n          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n          skipIndexes = isArr || isArg || isBuff || isType,\n          result = skipIndexes ? baseTimes(value.length, String) : [],\n          length = result.length;\n\n      for (var key in value) {\n        if ((inherited || hasOwnProperty.call(value, key)) &&\n            !(skipIndexes && (\n               // Safari 9 has enumerable `arguments.length` in strict mode.\n               key == 'length' ||\n               // Node.js 0.10 has enumerable non-index properties on buffers.\n               (isBuff && (key == 'offset' || key == 'parent')) ||\n               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n               // Skip index properties.\n               isIndex(key, length)\n            ))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `_.sample` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @returns {*} Returns the random element.\n     */\n    function arraySample(array) {\n      var length = array.length;\n      return length ? array[baseRandom(0, length - 1)] : undefined;\n    }\n\n    /**\n     * A specialized version of `_.sampleSize` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function arraySampleSize(array, n) {\n      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * A specialized version of `_.shuffle` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function arrayShuffle(array) {\n      return shuffleSelf(copyArray(array));\n    }\n\n    /**\n     * This function is like `assignValue` except that it doesn't assign\n     * `undefined` values.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignMergeValue(object, key, value) {\n      if ((value !== undefined && !eq(object[key], value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignValue(object, key, value) {\n      var objValue = object[key];\n      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Gets the index at which the `key` is found in `array` of key-value pairs.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {*} key The key to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     */\n    function assocIndexOf(array, key) {\n      var length = array.length;\n      while (length--) {\n        if (eq(array[length][0], key)) {\n          return length;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * Aggregates elements of `collection` on `accumulator` with keys transformed\n     * by `iteratee` and values set by `setter`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform keys.\n     * @param {Object} accumulator The initial aggregated object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseAggregator(collection, setter, iteratee, accumulator) {\n      baseEach(collection, function(value, key, collection) {\n        setter(accumulator, value, iteratee(value), collection);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.assign` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssign(object, source) {\n      return object && copyObject(source, keys(source), object);\n    }\n\n    /**\n     * The base implementation of `_.assignIn` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssignIn(object, source) {\n      return object && copyObject(source, keysIn(source), object);\n    }\n\n    /**\n     * The base implementation of `assignValue` and `assignMergeValue` without\n     * value checks.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function baseAssignValue(object, key, value) {\n      if (key == '__proto__' && defineProperty) {\n        defineProperty(object, key, {\n          'configurable': true,\n          'enumerable': true,\n          'value': value,\n          'writable': true\n        });\n      } else {\n        object[key] = value;\n      }\n    }\n\n    /**\n     * The base implementation of `_.at` without support for individual paths.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Array} Returns the picked elements.\n     */\n    function baseAt(object, paths) {\n      var index = -1,\n          length = paths.length,\n          result = Array(length),\n          skip = object == null;\n\n      while (++index < length) {\n        result[index] = skip ? undefined : get(object, paths[index]);\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.clamp` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     */\n    function baseClamp(number, lower, upper) {\n      if (number === number) {\n        if (upper !== undefined) {\n          number = number <= upper ? number : upper;\n        }\n        if (lower !== undefined) {\n          number = number >= lower ? number : lower;\n        }\n      }\n      return number;\n    }\n\n    /**\n     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n     * traversed objects.\n     *\n     * @private\n     * @param {*} value The value to clone.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Deep clone\n     *  2 - Flatten inherited properties\n     *  4 - Clone symbols\n     * @param {Function} [customizer] The function to customize cloning.\n     * @param {string} [key] The key of `value`.\n     * @param {Object} [object] The parent object of `value`.\n     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n     * @returns {*} Returns the cloned value.\n     */\n    function baseClone(value, bitmask, customizer, key, object, stack) {\n      var result,\n          isDeep = bitmask & CLONE_DEEP_FLAG,\n          isFlat = bitmask & CLONE_FLAT_FLAG,\n          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n      if (customizer) {\n        result = object ? customizer(value, key, object, stack) : customizer(value);\n      }\n      if (result !== undefined) {\n        return result;\n      }\n      if (!isObject(value)) {\n        return value;\n      }\n      var isArr = isArray(value);\n      if (isArr) {\n        result = initCloneArray(value);\n        if (!isDeep) {\n          return copyArray(value, result);\n        }\n      } else {\n        var tag = getTag(value),\n            isFunc = tag == funcTag || tag == genTag;\n\n        if (isBuffer(value)) {\n          return cloneBuffer(value, isDeep);\n        }\n        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n          if (!isDeep) {\n            return isFlat\n              ? copySymbolsIn(value, baseAssignIn(result, value))\n              : copySymbols(value, baseAssign(result, value));\n          }\n        } else {\n          if (!cloneableTags[tag]) {\n            return object ? value : {};\n          }\n          result = initCloneByTag(value, tag, baseClone, isDeep);\n        }\n      }\n      // Check for circular references and return its corresponding clone.\n      stack || (stack = new Stack);\n      var stacked = stack.get(value);\n      if (stacked) {\n        return stacked;\n      }\n      stack.set(value, result);\n\n      var keysFunc = isFull\n        ? (isFlat ? getAllKeysIn : getAllKeys)\n        : (isFlat ? keysIn : keys);\n\n      var props = isArr ? undefined : keysFunc(value);\n      arrayEach(props || value, function(subValue, key) {\n        if (props) {\n          key = subValue;\n          subValue = value[key];\n        }\n        // Recursively populate clone (susceptible to call stack limits).\n        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.conforms` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseConforms(source) {\n      var props = keys(source);\n      return function(object) {\n        return baseConformsTo(object, source, props);\n      };\n    }\n\n    /**\n     * The base implementation of `_.conformsTo` which accepts `props` to check.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     */\n    function baseConformsTo(object, source, props) {\n      var length = props.length;\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (length--) {\n        var key = props[length],\n            predicate = source[key],\n            value = object[key];\n\n        if ((value === undefined && !(key in object)) || !predicate(value)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n     * to provide to `func`.\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {Array} args The arguments to provide to `func`.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    function baseDelay(func, wait, args) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return setTimeout(function() { func.apply(undefined, args); }, wait);\n    }\n\n    /**\n     * The base implementation of methods like `_.difference` without support\n     * for excluding multiple arrays or iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Array} values The values to exclude.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     */\n    function baseDifference(array, values, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          isCommon = true,\n          length = array.length,\n          result = [],\n          valuesLength = values.length;\n\n      if (!length) {\n        return result;\n      }\n      if (iteratee) {\n        values = arrayMap(values, baseUnary(iteratee));\n      }\n      if (comparator) {\n        includes = arrayIncludesWith;\n        isCommon = false;\n      }\n      else if (values.length >= LARGE_ARRAY_SIZE) {\n        includes = cacheHas;\n        isCommon = false;\n        values = new SetCache(values);\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee == null ? value : iteratee(value);\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var valuesIndex = valuesLength;\n          while (valuesIndex--) {\n            if (values[valuesIndex] === computed) {\n              continue outer;\n            }\n          }\n          result.push(value);\n        }\n        else if (!includes(values, computed, comparator)) {\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.forEach` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEach = createBaseEach(baseForOwn);\n\n    /**\n     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n    /**\n     * The base implementation of `_.every` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`\n     */\n    function baseEvery(collection, predicate) {\n      var result = true;\n      baseEach(collection, function(value, index, collection) {\n        result = !!predicate(value, index, collection);\n        return result;\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of methods like `_.max` and `_.min` which accepts a\n     * `comparator` to determine the extremum value.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The iteratee invoked per iteration.\n     * @param {Function} comparator The comparator used to compare values.\n     * @returns {*} Returns the extremum value.\n     */\n    function baseExtremum(array, iteratee, comparator) {\n      var index = -1,\n          length = array.length;\n\n      while (++index < length) {\n        var value = array[index],\n            current = iteratee(value);\n\n        if (current != null && (computed === undefined\n              ? (current === current && !isSymbol(current))\n              : comparator(current, computed)\n            )) {\n          var computed = current,\n              result = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.fill` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     */\n    function baseFill(array, value, start, end) {\n      var length = array.length;\n\n      start = toInteger(start);\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = (end === undefined || end > length) ? length : toInteger(end);\n      if (end < 0) {\n        end += length;\n      }\n      end = start > end ? 0 : toLength(end);\n      while (start < end) {\n        array[start++] = value;\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.filter` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     */\n    function baseFilter(collection, predicate) {\n      var result = [];\n      baseEach(collection, function(value, index, collection) {\n        if (predicate(value, index, collection)) {\n          result.push(value);\n        }\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.flatten` with support for restricting flattening.\n     *\n     * @private\n     * @param {Array} array The array to flatten.\n     * @param {number} depth The maximum recursion depth.\n     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n     * @param {Array} [result=[]] The initial result value.\n     * @returns {Array} Returns the new flattened array.\n     */\n    function baseFlatten(array, depth, predicate, isStrict, result) {\n      var index = -1,\n          length = array.length;\n\n      predicate || (predicate = isFlattenable);\n      result || (result = []);\n\n      while (++index < length) {\n        var value = array[index];\n        if (depth > 0 && predicate(value)) {\n          if (depth > 1) {\n            // Recursively flatten arrays (susceptible to call stack limits).\n            baseFlatten(value, depth - 1, predicate, isStrict, result);\n          } else {\n            arrayPush(result, value);\n          }\n        } else if (!isStrict) {\n          result[result.length] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `baseForOwn` which iterates over `object`\n     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseFor = createBaseFor();\n\n    /**\n     * This function is like `baseFor` except that it iterates over properties\n     * in the opposite order.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseForRight = createBaseFor(true);\n\n    /**\n     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwn(object, iteratee) {\n      return object && baseFor(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwnRight(object, iteratee) {\n      return object && baseForRight(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.functions` which creates an array of\n     * `object` function property names filtered from `props`.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Array} props The property names to filter.\n     * @returns {Array} Returns the function names.\n     */\n    function baseFunctions(object, props) {\n      return arrayFilter(props, function(key) {\n        return isFunction(object[key]);\n      });\n    }\n\n    /**\n     * The base implementation of `_.get` without support for default values.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseGet(object, path) {\n      path = castPath(path, object);\n\n      var index = 0,\n          length = path.length;\n\n      while (object != null && index < length) {\n        object = object[toKey(path[index++])];\n      }\n      return (index && index == length) ? object : undefined;\n    }\n\n    /**\n     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n      var result = keysFunc(object);\n      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n    }\n\n    /**\n     * The base implementation of `getTag` without fallbacks for buggy environments.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    function baseGetTag(value) {\n      if (value == null) {\n        return value === undefined ? undefinedTag : nullTag;\n      }\n      return (symToStringTag && symToStringTag in Object(value))\n        ? getRawTag(value)\n        : objectToString(value);\n    }\n\n    /**\n     * The base implementation of `_.gt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     */\n    function baseGt(value, other) {\n      return value > other;\n    }\n\n    /**\n     * The base implementation of `_.has` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHas(object, key) {\n      return object != null && hasOwnProperty.call(object, key);\n    }\n\n    /**\n     * The base implementation of `_.hasIn` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHasIn(object, key) {\n      return object != null && key in Object(object);\n    }\n\n    /**\n     * The base implementation of `_.inRange` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to check.\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     */\n    function baseInRange(number, start, end) {\n      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n    }\n\n    /**\n     * The base implementation of methods like `_.intersection`, without support\n     * for iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of shared values.\n     */\n    function baseIntersection(arrays, iteratee, comparator) {\n      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n          length = arrays[0].length,\n          othLength = arrays.length,\n          othIndex = othLength,\n          caches = Array(othLength),\n          maxLength = Infinity,\n          result = [];\n\n      while (othIndex--) {\n        var array = arrays[othIndex];\n        if (othIndex && iteratee) {\n          array = arrayMap(array, baseUnary(iteratee));\n        }\n        maxLength = nativeMin(array.length, maxLength);\n        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n          ? new SetCache(othIndex && array)\n          : undefined;\n      }\n      array = arrays[0];\n\n      var index = -1,\n          seen = caches[0];\n\n      outer:\n      while (++index < length && result.length < maxLength) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (!(seen\n              ? cacheHas(seen, computed)\n              : includes(result, computed, comparator)\n            )) {\n          othIndex = othLength;\n          while (--othIndex) {\n            var cache = caches[othIndex];\n            if (!(cache\n                  ? cacheHas(cache, computed)\n                  : includes(arrays[othIndex], computed, comparator))\n                ) {\n              continue outer;\n            }\n          }\n          if (seen) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.invert` and `_.invertBy` which inverts\n     * `object` with values transformed by `iteratee` and set by `setter`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform values.\n     * @param {Object} accumulator The initial inverted object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseInverter(object, setter, iteratee, accumulator) {\n      baseForOwn(object, function(value, key, object) {\n        setter(accumulator, iteratee(value), key, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.invoke` without support for individual\n     * method arguments.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {Array} args The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     */\n    function baseInvoke(object, path, args) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      var func = object == null ? object : object[toKey(last(path))];\n      return func == null ? undefined : apply(func, object, args);\n    }\n\n    /**\n     * The base implementation of `_.isArguments`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     */\n    function baseIsArguments(value) {\n      return isObjectLike(value) && baseGetTag(value) == argsTag;\n    }\n\n    /**\n     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     */\n    function baseIsArrayBuffer(value) {\n      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n    }\n\n    /**\n     * The base implementation of `_.isDate` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     */\n    function baseIsDate(value) {\n      return isObjectLike(value) && baseGetTag(value) == dateTag;\n    }\n\n    /**\n     * The base implementation of `_.isEqual` which supports partial comparisons\n     * and tracks traversed objects.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Unordered comparison\n     *  2 - Partial comparison\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     */\n    function baseIsEqual(value, other, bitmask, customizer, stack) {\n      if (value === other) {\n        return true;\n      }\n      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n        return value !== value && other !== other;\n      }\n      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n    }\n\n    /**\n     * A specialized version of `baseIsEqual` for arrays and objects which performs\n     * deep comparisons and tracks traversed objects enabling objects with circular\n     * references to be compared.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n      var objIsArr = isArray(object),\n          othIsArr = isArray(other),\n          objTag = objIsArr ? arrayTag : getTag(object),\n          othTag = othIsArr ? arrayTag : getTag(other);\n\n      objTag = objTag == argsTag ? objectTag : objTag;\n      othTag = othTag == argsTag ? objectTag : othTag;\n\n      var objIsObj = objTag == objectTag,\n          othIsObj = othTag == objectTag,\n          isSameTag = objTag == othTag;\n\n      if (isSameTag && isBuffer(object)) {\n        if (!isBuffer(other)) {\n          return false;\n        }\n        objIsArr = true;\n        objIsObj = false;\n      }\n      if (isSameTag && !objIsObj) {\n        stack || (stack = new Stack);\n        return (objIsArr || isTypedArray(object))\n          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n      }\n      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n        if (objIsWrapped || othIsWrapped) {\n          var objUnwrapped = objIsWrapped ? object.value() : object,\n              othUnwrapped = othIsWrapped ? other.value() : other;\n\n          stack || (stack = new Stack);\n          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n        }\n      }\n      if (!isSameTag) {\n        return false;\n      }\n      stack || (stack = new Stack);\n      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n    }\n\n    /**\n     * The base implementation of `_.isMap` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     */\n    function baseIsMap(value) {\n      return isObjectLike(value) && getTag(value) == mapTag;\n    }\n\n    /**\n     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Array} matchData The property names, values, and compare flags to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     */\n    function baseIsMatch(object, source, matchData, customizer) {\n      var index = matchData.length,\n          length = index,\n          noCustomizer = !customizer;\n\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (index--) {\n        var data = matchData[index];\n        if ((noCustomizer && data[2])\n              ? data[1] !== object[data[0]]\n              : !(data[0] in object)\n            ) {\n          return false;\n        }\n      }\n      while (++index < length) {\n        data = matchData[index];\n        var key = data[0],\n            objValue = object[key],\n            srcValue = data[1];\n\n        if (noCustomizer && data[2]) {\n          if (objValue === undefined && !(key in object)) {\n            return false;\n          }\n        } else {\n          var stack = new Stack;\n          if (customizer) {\n            var result = customizer(objValue, srcValue, key, object, source, stack);\n          }\n          if (!(result === undefined\n                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n                : result\n              )) {\n            return false;\n          }\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.isNative` without bad shim checks.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     */\n    function baseIsNative(value) {\n      if (!isObject(value) || isMasked(value)) {\n        return false;\n      }\n      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n      return pattern.test(toSource(value));\n    }\n\n    /**\n     * The base implementation of `_.isRegExp` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     */\n    function baseIsRegExp(value) {\n      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n    }\n\n    /**\n     * The base implementation of `_.isSet` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     */\n    function baseIsSet(value) {\n      return isObjectLike(value) && getTag(value) == setTag;\n    }\n\n    /**\n     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     */\n    function baseIsTypedArray(value) {\n      return isObjectLike(value) &&\n        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n    }\n\n    /**\n     * The base implementation of `_.iteratee`.\n     *\n     * @private\n     * @param {*} [value=_.identity] The value to convert to an iteratee.\n     * @returns {Function} Returns the iteratee.\n     */\n    function baseIteratee(value) {\n      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n      if (typeof value == 'function') {\n        return value;\n      }\n      if (value == null) {\n        return identity;\n      }\n      if (typeof value == 'object') {\n        return isArray(value)\n          ? baseMatchesProperty(value[0], value[1])\n          : baseMatches(value);\n      }\n      return property(value);\n    }\n\n    /**\n     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeys(object) {\n      if (!isPrototype(object)) {\n        return nativeKeys(object);\n      }\n      var result = [];\n      for (var key in Object(object)) {\n        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeysIn(object) {\n      if (!isObject(object)) {\n        return nativeKeysIn(object);\n      }\n      var isProto = isPrototype(object),\n          result = [];\n\n      for (var key in object) {\n        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.lt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     */\n    function baseLt(value, other) {\n      return value < other;\n    }\n\n    /**\n     * The base implementation of `_.map` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     */\n    function baseMap(collection, iteratee) {\n      var index = -1,\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value, key, collection) {\n        result[++index] = iteratee(value, key, collection);\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.matches` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatches(source) {\n      var matchData = getMatchData(source);\n      if (matchData.length == 1 && matchData[0][2]) {\n        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n      }\n      return function(object) {\n        return object === source || baseIsMatch(object, source, matchData);\n      };\n    }\n\n    /**\n     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n     *\n     * @private\n     * @param {string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatchesProperty(path, srcValue) {\n      if (isKey(path) && isStrictComparable(srcValue)) {\n        return matchesStrictComparable(toKey(path), srcValue);\n      }\n      return function(object) {\n        var objValue = get(object, path);\n        return (objValue === undefined && objValue === srcValue)\n          ? hasIn(object, path)\n          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n      };\n    }\n\n    /**\n     * The base implementation of `_.merge` without support for multiple sources.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} [customizer] The function to customize merged values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMerge(object, source, srcIndex, customizer, stack) {\n      if (object === source) {\n        return;\n      }\n      baseFor(source, function(srcValue, key) {\n        if (isObject(srcValue)) {\n          stack || (stack = new Stack);\n          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n        }\n        else {\n          var newValue = customizer\n            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n            : undefined;\n\n          if (newValue === undefined) {\n            newValue = srcValue;\n          }\n          assignMergeValue(object, key, newValue);\n        }\n      }, keysIn);\n    }\n\n    /**\n     * A specialized version of `baseMerge` for arrays and objects which performs\n     * deep merges and tracks traversed objects enabling objects with circular\n     * references to be merged.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {string} key The key of the value to merge.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} mergeFunc The function to merge values.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n      var objValue = object[key],\n          srcValue = source[key],\n          stacked = stack.get(srcValue);\n\n      if (stacked) {\n        assignMergeValue(object, key, stacked);\n        return;\n      }\n      var newValue = customizer\n        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n        : undefined;\n\n      var isCommon = newValue === undefined;\n\n      if (isCommon) {\n        var isArr = isArray(srcValue),\n            isBuff = !isArr && isBuffer(srcValue),\n            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n        newValue = srcValue;\n        if (isArr || isBuff || isTyped) {\n          if (isArray(objValue)) {\n            newValue = objValue;\n          }\n          else if (isArrayLikeObject(objValue)) {\n            newValue = copyArray(objValue);\n          }\n          else if (isBuff) {\n            isCommon = false;\n            newValue = cloneBuffer(srcValue, true);\n          }\n          else if (isTyped) {\n            isCommon = false;\n            newValue = cloneTypedArray(srcValue, true);\n          }\n          else {\n            newValue = [];\n          }\n        }\n        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n          newValue = objValue;\n          if (isArguments(objValue)) {\n            newValue = toPlainObject(objValue);\n          }\n          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n            newValue = initCloneObject(srcValue);\n          }\n        }\n        else {\n          isCommon = false;\n        }\n      }\n      if (isCommon) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, newValue);\n        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n        stack['delete'](srcValue);\n      }\n      assignMergeValue(object, key, newValue);\n    }\n\n    /**\n     * The base implementation of `_.nth` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {number} n The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     */\n    function baseNth(array, n) {\n      var length = array.length;\n      if (!length) {\n        return;\n      }\n      n += n < 0 ? length : 0;\n      return isIndex(n, length) ? array[n] : undefined;\n    }\n\n    /**\n     * The base implementation of `_.orderBy` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n     * @param {string[]} orders The sort orders of `iteratees`.\n     * @returns {Array} Returns the new sorted array.\n     */\n    function baseOrderBy(collection, iteratees, orders) {\n      var index = -1;\n      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\n      var result = baseMap(collection, function(value, key, collection) {\n        var criteria = arrayMap(iteratees, function(iteratee) {\n          return iteratee(value);\n        });\n        return { 'criteria': criteria, 'index': ++index, 'value': value };\n      });\n\n      return baseSortBy(result, function(object, other) {\n        return compareMultiple(object, other, orders);\n      });\n    }\n\n    /**\n     * The base implementation of `_.pick` without support for individual\n     * property identifiers.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Object} Returns the new object.\n     */\n    function basePick(object, paths) {\n      return basePickBy(object, paths, function(value, path) {\n        return hasIn(object, path);\n      });\n    }\n\n    /**\n     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @param {Function} predicate The function invoked per property.\n     * @returns {Object} Returns the new object.\n     */\n    function basePickBy(object, paths, predicate) {\n      var index = -1,\n          length = paths.length,\n          result = {};\n\n      while (++index < length) {\n        var path = paths[index],\n            value = baseGet(object, path);\n\n        if (predicate(value, path)) {\n          baseSet(result, castPath(path, object), value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseProperty` which supports deep paths.\n     *\n     * @private\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     */\n    function basePropertyDeep(path) {\n      return function(object) {\n        return baseGet(object, path);\n      };\n    }\n\n    /**\n     * The base implementation of `_.pullAllBy` without support for iteratee\n     * shorthands.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAll(array, values, iteratee, comparator) {\n      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n          index = -1,\n          length = values.length,\n          seen = array;\n\n      if (array === values) {\n        values = copyArray(values);\n      }\n      if (iteratee) {\n        seen = arrayMap(array, baseUnary(iteratee));\n      }\n      while (++index < length) {\n        var fromIndex = 0,\n            value = values[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n          if (seen !== array) {\n            splice.call(seen, fromIndex, 1);\n          }\n          splice.call(array, fromIndex, 1);\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.pullAt` without support for individual\n     * indexes or capturing the removed elements.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {number[]} indexes The indexes of elements to remove.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAt(array, indexes) {\n      var length = array ? indexes.length : 0,\n          lastIndex = length - 1;\n\n      while (length--) {\n        var index = indexes[length];\n        if (length == lastIndex || index !== previous) {\n          var previous = index;\n          if (isIndex(index)) {\n            splice.call(array, index, 1);\n          } else {\n            baseUnset(array, index);\n          }\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.random` without support for returning\n     * floating-point numbers.\n     *\n     * @private\n     * @param {number} lower The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the random number.\n     */\n    function baseRandom(lower, upper) {\n      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n    }\n\n    /**\n     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n     * coerce arguments.\n     *\n     * @private\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} step The value to increment or decrement by.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the range of numbers.\n     */\n    function baseRange(start, end, step, fromRight) {\n      var index = -1,\n          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n          result = Array(length);\n\n      while (length--) {\n        result[fromRight ? length : ++index] = start;\n        start += step;\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.repeat` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {string} string The string to repeat.\n     * @param {number} n The number of times to repeat the string.\n     * @returns {string} Returns the repeated string.\n     */\n    function baseRepeat(string, n) {\n      var result = '';\n      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n        return result;\n      }\n      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n      do {\n        if (n % 2) {\n          result += string;\n        }\n        n = nativeFloor(n / 2);\n        if (n) {\n          string += string;\n        }\n      } while (n);\n\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     */\n    function baseRest(func, start) {\n      return setToString(overRest(func, start, identity), func + '');\n    }\n\n    /**\n     * The base implementation of `_.sample`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     */\n    function baseSample(collection) {\n      return arraySample(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.sampleSize` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function baseSampleSize(collection, n) {\n      var array = values(collection);\n      return shuffleSelf(array, baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * The base implementation of `_.set`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseSet(object, path, value, customizer) {\n      if (!isObject(object)) {\n        return object;\n      }\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          lastIndex = length - 1,\n          nested = object;\n\n      while (nested != null && ++index < length) {\n        var key = toKey(path[index]),\n            newValue = value;\n\n        if (index != lastIndex) {\n          var objValue = nested[key];\n          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n          if (newValue === undefined) {\n            newValue = isObject(objValue)\n              ? objValue\n              : (isIndex(path[index + 1]) ? [] : {});\n          }\n        }\n        assignValue(nested, key, newValue);\n        nested = nested[key];\n      }\n      return object;\n    }\n\n    /**\n     * The base implementation of `setData` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetData = !metaMap ? identity : function(func, data) {\n      metaMap.set(func, data);\n      return func;\n    };\n\n    /**\n     * The base implementation of `setToString` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetToString = !defineProperty ? identity : function(func, string) {\n      return defineProperty(func, 'toString', {\n        'configurable': true,\n        'enumerable': false,\n        'value': constant(string),\n        'writable': true\n      });\n    };\n\n    /**\n     * The base implementation of `_.shuffle`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function baseShuffle(collection) {\n      return shuffleSelf(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.slice` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseSlice(array, start, end) {\n      var index = -1,\n          length = array.length;\n\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = end > length ? length : end;\n      if (end < 0) {\n        end += length;\n      }\n      length = start > end ? 0 : ((end - start) >>> 0);\n      start >>>= 0;\n\n      var result = Array(length);\n      while (++index < length) {\n        result[index] = array[index + start];\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.some` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     */\n    function baseSome(collection, predicate) {\n      var result;\n\n      baseEach(collection, function(value, index, collection) {\n        result = predicate(value, index, collection);\n        return !result;\n      });\n      return !!result;\n    }\n\n    /**\n     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n     * performs a binary search of `array` to determine the index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndex(array, value, retHighest) {\n      var low = 0,\n          high = array == null ? low : array.length;\n\n      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n        while (low < high) {\n          var mid = (low + high) >>> 1,\n              computed = array[mid];\n\n          if (computed !== null && !isSymbol(computed) &&\n              (retHighest ? (computed <= value) : (computed < value))) {\n            low = mid + 1;\n          } else {\n            high = mid;\n          }\n        }\n        return high;\n      }\n      return baseSortedIndexBy(array, value, identity, retHighest);\n    }\n\n    /**\n     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n     * which invokes `iteratee` for `value` and each element of `array` to compute\n     * their sort ranking. The iteratee is invoked with one argument; (value).\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} iteratee The iteratee invoked per element.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n      value = iteratee(value);\n\n      var low = 0,\n          high = array == null ? 0 : array.length,\n          valIsNaN = value !== value,\n          valIsNull = value === null,\n          valIsSymbol = isSymbol(value),\n          valIsUndefined = value === undefined;\n\n      while (low < high) {\n        var mid = nativeFloor((low + high) / 2),\n            computed = iteratee(array[mid]),\n            othIsDefined = computed !== undefined,\n            othIsNull = computed === null,\n            othIsReflexive = computed === computed,\n            othIsSymbol = isSymbol(computed);\n\n        if (valIsNaN) {\n          var setLow = retHighest || othIsReflexive;\n        } else if (valIsUndefined) {\n          setLow = othIsReflexive && (retHighest || othIsDefined);\n        } else if (valIsNull) {\n          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n        } else if (valIsSymbol) {\n          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n        } else if (othIsNull || othIsSymbol) {\n          setLow = false;\n        } else {\n          setLow = retHighest ? (computed <= value) : (computed < value);\n        }\n        if (setLow) {\n          low = mid + 1;\n        } else {\n          high = mid;\n        }\n      }\n      return nativeMin(high, MAX_ARRAY_INDEX);\n    }\n\n    /**\n     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n     * support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseSortedUniq(array, iteratee) {\n      var index = -1,\n          length = array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        if (!index || !eq(computed, seen)) {\n          var seen = computed;\n          result[resIndex++] = value === 0 ? 0 : value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.toNumber` which doesn't ensure correct\n     * conversions of binary, hexadecimal, or octal string values.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     */\n    function baseToNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      return +value;\n    }\n\n    /**\n     * The base implementation of `_.toString` which doesn't convert nullish\n     * values to empty strings.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {string} Returns the string.\n     */\n    function baseToString(value) {\n      // Exit early for strings to avoid a performance hit in some environments.\n      if (typeof value == 'string') {\n        return value;\n      }\n      if (isArray(value)) {\n        // Recursively convert values (susceptible to call stack limits).\n        return arrayMap(value, baseToString) + '';\n      }\n      if (isSymbol(value)) {\n        return symbolToString ? symbolToString.call(value) : '';\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseUniq(array, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          length = array.length,\n          isCommon = true,\n          result = [],\n          seen = result;\n\n      if (comparator) {\n        isCommon = false;\n        includes = arrayIncludesWith;\n      }\n      else if (length >= LARGE_ARRAY_SIZE) {\n        var set = iteratee ? null : createSet(array);\n        if (set) {\n          return setToArray(set);\n        }\n        isCommon = false;\n        includes = cacheHas;\n        seen = new SetCache;\n      }\n      else {\n        seen = iteratee ? [] : result;\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var seenIndex = seen.length;\n          while (seenIndex--) {\n            if (seen[seenIndex] === computed) {\n              continue outer;\n            }\n          }\n          if (iteratee) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n        else if (!includes(seen, computed, comparator)) {\n          if (seen !== result) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.unset`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The property path to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     */\n    function baseUnset(object, path) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      return object == null || delete object[toKey(last(path))];\n    }\n\n    /**\n     * The base implementation of `_.update`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to update.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseUpdate(object, path, updater, customizer) {\n      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n    }\n\n    /**\n     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n     * without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {Function} predicate The function invoked per iteration.\n     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseWhile(array, predicate, isDrop, fromRight) {\n      var length = array.length,\n          index = fromRight ? length : -1;\n\n      while ((fromRight ? index-- : ++index < length) &&\n        predicate(array[index], index, array)) {}\n\n      return isDrop\n        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n    }\n\n    /**\n     * The base implementation of `wrapperValue` which returns the result of\n     * performing a sequence of actions on the unwrapped `value`, where each\n     * successive action is supplied the return value of the previous.\n     *\n     * @private\n     * @param {*} value The unwrapped value.\n     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseWrapperValue(value, actions) {\n      var result = value;\n      if (result instanceof LazyWrapper) {\n        result = result.value();\n      }\n      return arrayReduce(actions, function(result, action) {\n        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n      }, result);\n    }\n\n    /**\n     * The base implementation of methods like `_.xor`, without support for\n     * iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of values.\n     */\n    function baseXor(arrays, iteratee, comparator) {\n      var length = arrays.length;\n      if (length < 2) {\n        return length ? baseUniq(arrays[0]) : [];\n      }\n      var index = -1,\n          result = Array(length);\n\n      while (++index < length) {\n        var array = arrays[index],\n            othIndex = -1;\n\n        while (++othIndex < length) {\n          if (othIndex != index) {\n            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n          }\n        }\n      }\n      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n    }\n\n    /**\n     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n     *\n     * @private\n     * @param {Array} props The property identifiers.\n     * @param {Array} values The property values.\n     * @param {Function} assignFunc The function to assign values.\n     * @returns {Object} Returns the new object.\n     */\n    function baseZipObject(props, values, assignFunc) {\n      var index = -1,\n          length = props.length,\n          valsLength = values.length,\n          result = {};\n\n      while (++index < length) {\n        var value = index < valsLength ? values[index] : undefined;\n        assignFunc(result, props[index], value);\n      }\n      return result;\n    }\n\n    /**\n     * Casts `value` to an empty array if it's not an array like object.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Array|Object} Returns the cast array-like object.\n     */\n    function castArrayLikeObject(value) {\n      return isArrayLikeObject(value) ? value : [];\n    }\n\n    /**\n     * Casts `value` to `identity` if it's not a function.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Function} Returns cast function.\n     */\n    function castFunction(value) {\n      return typeof value == 'function' ? value : identity;\n    }\n\n    /**\n     * Casts `value` to a path array if it's not one.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {Array} Returns the cast property path array.\n     */\n    function castPath(value, object) {\n      if (isArray(value)) {\n        return value;\n      }\n      return isKey(value, object) ? [value] : stringToPath(toString(value));\n    }\n\n    /**\n     * A `baseRest` alias which can be replaced with `identity` by module\n     * replacement plugins.\n     *\n     * @private\n     * @type {Function}\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    var castRest = baseRest;\n\n    /**\n     * Casts `array` to a slice if it's needed.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {number} start The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the cast slice.\n     */\n    function castSlice(array, start, end) {\n      var length = array.length;\n      end = end === undefined ? length : end;\n      return (!start && end >= length) ? array : baseSlice(array, start, end);\n    }\n\n    /**\n     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n     *\n     * @private\n     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n     */\n    var clearTimeout = ctxClearTimeout || function(id) {\n      return root.clearTimeout(id);\n    };\n\n    /**\n     * Creates a clone of  `buffer`.\n     *\n     * @private\n     * @param {Buffer} buffer The buffer to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Buffer} Returns the cloned buffer.\n     */\n    function cloneBuffer(buffer, isDeep) {\n      if (isDeep) {\n        return buffer.slice();\n      }\n      var length = buffer.length,\n          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n      buffer.copy(result);\n      return result;\n    }\n\n    /**\n     * Creates a clone of `arrayBuffer`.\n     *\n     * @private\n     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n     * @returns {ArrayBuffer} Returns the cloned array buffer.\n     */\n    function cloneArrayBuffer(arrayBuffer) {\n      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n      return result;\n    }\n\n    /**\n     * Creates a clone of `dataView`.\n     *\n     * @private\n     * @param {Object} dataView The data view to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned data view.\n     */\n    function cloneDataView(dataView, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n    }\n\n    /**\n     * Creates a clone of `map`.\n     *\n     * @private\n     * @param {Object} map The map to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned map.\n     */\n    function cloneMap(map, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n      return arrayReduce(array, addMapEntry, new map.constructor);\n    }\n\n    /**\n     * Creates a clone of `regexp`.\n     *\n     * @private\n     * @param {Object} regexp The regexp to clone.\n     * @returns {Object} Returns the cloned regexp.\n     */\n    function cloneRegExp(regexp) {\n      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n      result.lastIndex = regexp.lastIndex;\n      return result;\n    }\n\n    /**\n     * Creates a clone of `set`.\n     *\n     * @private\n     * @param {Object} set The set to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned set.\n     */\n    function cloneSet(set, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n      return arrayReduce(array, addSetEntry, new set.constructor);\n    }\n\n    /**\n     * Creates a clone of the `symbol` object.\n     *\n     * @private\n     * @param {Object} symbol The symbol object to clone.\n     * @returns {Object} Returns the cloned symbol object.\n     */\n    function cloneSymbol(symbol) {\n      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n    }\n\n    /**\n     * Creates a clone of `typedArray`.\n     *\n     * @private\n     * @param {Object} typedArray The typed array to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned typed array.\n     */\n    function cloneTypedArray(typedArray, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n    }\n\n    /**\n     * Compares values to sort them in ascending order.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {number} Returns the sort order indicator for `value`.\n     */\n    function compareAscending(value, other) {\n      if (value !== other) {\n        var valIsDefined = value !== undefined,\n            valIsNull = value === null,\n            valIsReflexive = value === value,\n            valIsSymbol = isSymbol(value);\n\n        var othIsDefined = other !== undefined,\n            othIsNull = other === null,\n            othIsReflexive = other === other,\n            othIsSymbol = isSymbol(other);\n\n        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n            (valIsNull && othIsDefined && othIsReflexive) ||\n            (!valIsDefined && othIsReflexive) ||\n            !valIsReflexive) {\n          return 1;\n        }\n        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n            (othIsNull && valIsDefined && valIsReflexive) ||\n            (!othIsDefined && valIsReflexive) ||\n            !othIsReflexive) {\n          return -1;\n        }\n      }\n      return 0;\n    }\n\n    /**\n     * Used by `_.orderBy` to compare multiple properties of a value to another\n     * and stable sort them.\n     *\n     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n     * of corresponding values.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {boolean[]|string[]} orders The order to sort by for each property.\n     * @returns {number} Returns the sort order indicator for `object`.\n     */\n    function compareMultiple(object, other, orders) {\n      var index = -1,\n          objCriteria = object.criteria,\n          othCriteria = other.criteria,\n          length = objCriteria.length,\n          ordersLength = orders.length;\n\n      while (++index < length) {\n        var result = compareAscending(objCriteria[index], othCriteria[index]);\n        if (result) {\n          if (index >= ordersLength) {\n            return result;\n          }\n          var order = orders[index];\n          return result * (order == 'desc' ? -1 : 1);\n        }\n      }\n      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n      // that causes it, under certain circumstances, to provide the same value for\n      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n      // for more details.\n      //\n      // This also ensures a stable sort in V8 and other engines.\n      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n      return object.index - other.index;\n    }\n\n    /**\n     * Creates an array that is the composition of partially applied arguments,\n     * placeholders, and provided arguments into a single array of arguments.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to prepend to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgs(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersLength = holders.length,\n          leftIndex = -1,\n          leftLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(leftLength + rangeLength),\n          isUncurried = !isCurried;\n\n      while (++leftIndex < leftLength) {\n        result[leftIndex] = partials[leftIndex];\n      }\n      while (++argsIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[holders[argsIndex]] = args[argsIndex];\n        }\n      }\n      while (rangeLength--) {\n        result[leftIndex++] = args[argsIndex++];\n      }\n      return result;\n    }\n\n    /**\n     * This function is like `composeArgs` except that the arguments composition\n     * is tailored for `_.partialRight`.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to append to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgsRight(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersIndex = -1,\n          holdersLength = holders.length,\n          rightIndex = -1,\n          rightLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(rangeLength + rightLength),\n          isUncurried = !isCurried;\n\n      while (++argsIndex < rangeLength) {\n        result[argsIndex] = args[argsIndex];\n      }\n      var offset = argsIndex;\n      while (++rightIndex < rightLength) {\n        result[offset + rightIndex] = partials[rightIndex];\n      }\n      while (++holdersIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[offset + holders[holdersIndex]] = args[argsIndex++];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Copies the values of `source` to `array`.\n     *\n     * @private\n     * @param {Array} source The array to copy values from.\n     * @param {Array} [array=[]] The array to copy values to.\n     * @returns {Array} Returns `array`.\n     */\n    function copyArray(source, array) {\n      var index = -1,\n          length = source.length;\n\n      array || (array = Array(length));\n      while (++index < length) {\n        array[index] = source[index];\n      }\n      return array;\n    }\n\n    /**\n     * Copies properties of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy properties from.\n     * @param {Array} props The property identifiers to copy.\n     * @param {Object} [object={}] The object to copy properties to.\n     * @param {Function} [customizer] The function to customize copied values.\n     * @returns {Object} Returns `object`.\n     */\n    function copyObject(source, props, object, customizer) {\n      var isNew = !object;\n      object || (object = {});\n\n      var index = -1,\n          length = props.length;\n\n      while (++index < length) {\n        var key = props[index];\n\n        var newValue = customizer\n          ? customizer(object[key], source[key], key, object, source)\n          : undefined;\n\n        if (newValue === undefined) {\n          newValue = source[key];\n        }\n        if (isNew) {\n          baseAssignValue(object, key, newValue);\n        } else {\n          assignValue(object, key, newValue);\n        }\n      }\n      return object;\n    }\n\n    /**\n     * Copies own symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbols(source, object) {\n      return copyObject(source, getSymbols(source), object);\n    }\n\n    /**\n     * Copies own and inherited symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbolsIn(source, object) {\n      return copyObject(source, getSymbolsIn(source), object);\n    }\n\n    /**\n     * Creates a function like `_.groupBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} [initializer] The accumulator object initializer.\n     * @returns {Function} Returns the new aggregator function.\n     */\n    function createAggregator(setter, initializer) {\n      return function(collection, iteratee) {\n        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n            accumulator = initializer ? initializer() : {};\n\n        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n      };\n    }\n\n    /**\n     * Creates a function like `_.assign`.\n     *\n     * @private\n     * @param {Function} assigner The function to assign values.\n     * @returns {Function} Returns the new assigner function.\n     */\n    function createAssigner(assigner) {\n      return baseRest(function(object, sources) {\n        var index = -1,\n            length = sources.length,\n            customizer = length > 1 ? sources[length - 1] : undefined,\n            guard = length > 2 ? sources[2] : undefined;\n\n        customizer = (assigner.length > 3 && typeof customizer == 'function')\n          ? (length--, customizer)\n          : undefined;\n\n        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n          customizer = length < 3 ? undefined : customizer;\n          length = 1;\n        }\n        object = Object(object);\n        while (++index < length) {\n          var source = sources[index];\n          if (source) {\n            assigner(object, source, index, customizer);\n          }\n        }\n        return object;\n      });\n    }\n\n    /**\n     * Creates a `baseEach` or `baseEachRight` function.\n     *\n     * @private\n     * @param {Function} eachFunc The function to iterate over a collection.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseEach(eachFunc, fromRight) {\n      return function(collection, iteratee) {\n        if (collection == null) {\n          return collection;\n        }\n        if (!isArrayLike(collection)) {\n          return eachFunc(collection, iteratee);\n        }\n        var length = collection.length,\n            index = fromRight ? length : -1,\n            iterable = Object(collection);\n\n        while ((fromRight ? index-- : ++index < length)) {\n          if (iteratee(iterable[index], index, iterable) === false) {\n            break;\n          }\n        }\n        return collection;\n      };\n    }\n\n    /**\n     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseFor(fromRight) {\n      return function(object, iteratee, keysFunc) {\n        var index = -1,\n            iterable = Object(object),\n            props = keysFunc(object),\n            length = props.length;\n\n        while (length--) {\n          var key = props[fromRight ? length : ++index];\n          if (iteratee(iterable[key], key, iterable) === false) {\n            break;\n          }\n        }\n        return object;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the optional `this`\n     * binding of `thisArg`.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createBind(func, bitmask, thisArg) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return fn.apply(isBind ? thisArg : this, arguments);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.lowerFirst`.\n     *\n     * @private\n     * @param {string} methodName The name of the `String` case method to use.\n     * @returns {Function} Returns the new case function.\n     */\n    function createCaseFirst(methodName) {\n      return function(string) {\n        string = toString(string);\n\n        var strSymbols = hasUnicode(string)\n          ? stringToArray(string)\n          : undefined;\n\n        var chr = strSymbols\n          ? strSymbols[0]\n          : string.charAt(0);\n\n        var trailing = strSymbols\n          ? castSlice(strSymbols, 1).join('')\n          : string.slice(1);\n\n        return chr[methodName]() + trailing;\n      };\n    }\n\n    /**\n     * Creates a function like `_.camelCase`.\n     *\n     * @private\n     * @param {Function} callback The function to combine each word.\n     * @returns {Function} Returns the new compounder function.\n     */\n    function createCompounder(callback) {\n      return function(string) {\n        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n      };\n    }\n\n    /**\n     * Creates a function that produces an instance of `Ctor` regardless of\n     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n     *\n     * @private\n     * @param {Function} Ctor The constructor to wrap.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCtor(Ctor) {\n      return function() {\n        // Use a `switch` statement to work with class constructors. See\n        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n        // for more details.\n        var args = arguments;\n        switch (args.length) {\n          case 0: return new Ctor;\n          case 1: return new Ctor(args[0]);\n          case 2: return new Ctor(args[0], args[1]);\n          case 3: return new Ctor(args[0], args[1], args[2]);\n          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n        }\n        var thisBinding = baseCreate(Ctor.prototype),\n            result = Ctor.apply(thisBinding, args);\n\n        // Mimic the constructor's `return` behavior.\n        // See https://es5.github.io/#x13.2.2 for more details.\n        return isObject(result) ? result : thisBinding;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to enable currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {number} arity The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCurry(func, bitmask, arity) {\n      var Ctor = createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length,\n            placeholder = getHolder(wrapper);\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n          ? []\n          : replaceHolders(args, placeholder);\n\n        length -= holders.length;\n        if (length < arity) {\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n            args, holders, undefined, undefined, arity - length);\n        }\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return apply(fn, this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.find` or `_.findLast` function.\n     *\n     * @private\n     * @param {Function} findIndexFunc The function to find the collection index.\n     * @returns {Function} Returns the new find function.\n     */\n    function createFind(findIndexFunc) {\n      return function(collection, predicate, fromIndex) {\n        var iterable = Object(collection);\n        if (!isArrayLike(collection)) {\n          var iteratee = getIteratee(predicate, 3);\n          collection = keys(collection);\n          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n        }\n        var index = findIndexFunc(collection, predicate, fromIndex);\n        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n      };\n    }\n\n    /**\n     * Creates a `_.flow` or `_.flowRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new flow function.\n     */\n    function createFlow(fromRight) {\n      return flatRest(function(funcs) {\n        var length = funcs.length,\n            index = length,\n            prereq = LodashWrapper.prototype.thru;\n\n        if (fromRight) {\n          funcs.reverse();\n        }\n        while (index--) {\n          var func = funcs[index];\n          if (typeof func != 'function') {\n            throw new TypeError(FUNC_ERROR_TEXT);\n          }\n          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n            var wrapper = new LodashWrapper([], true);\n          }\n        }\n        index = wrapper ? index : length;\n        while (++index < length) {\n          func = funcs[index];\n\n          var funcName = getFuncName(func),\n              data = funcName == 'wrapper' ? getData(func) : undefined;\n\n          if (data && isLaziable(data[0]) &&\n                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n                !data[4].length && data[9] == 1\n              ) {\n            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n          } else {\n            wrapper = (func.length == 1 && isLaziable(func))\n              ? wrapper[funcName]()\n              : wrapper.thru(func);\n          }\n        }\n        return function() {\n          var args = arguments,\n              value = args[0];\n\n          if (wrapper && args.length == 1 && isArray(value)) {\n            return wrapper.plant(value).value();\n          }\n          var index = 0,\n              result = length ? funcs[index].apply(this, args) : value;\n\n          while (++index < length) {\n            result = funcs[index].call(this, result);\n          }\n          return result;\n        };\n      });\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with optional `this`\n     * binding of `thisArg`, partial application, and currying.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [partialsRight] The arguments to append to those provided\n     *  to the new function.\n     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n      var isAry = bitmask & WRAP_ARY_FLAG,\n          isBind = bitmask & WRAP_BIND_FLAG,\n          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n          isFlip = bitmask & WRAP_FLIP_FLAG,\n          Ctor = isBindKey ? undefined : createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length;\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        if (isCurried) {\n          var placeholder = getHolder(wrapper),\n              holdersCount = countHolders(args, placeholder);\n        }\n        if (partials) {\n          args = composeArgs(args, partials, holders, isCurried);\n        }\n        if (partialsRight) {\n          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n        }\n        length -= holdersCount;\n        if (isCurried && length < arity) {\n          var newHolders = replaceHolders(args, placeholder);\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n            args, newHolders, argPos, ary, arity - length\n          );\n        }\n        var thisBinding = isBind ? thisArg : this,\n            fn = isBindKey ? thisBinding[func] : func;\n\n        length = args.length;\n        if (argPos) {\n          args = reorder(args, argPos);\n        } else if (isFlip && length > 1) {\n          args.reverse();\n        }\n        if (isAry && ary < length) {\n          args.length = ary;\n        }\n        if (this && this !== root && this instanceof wrapper) {\n          fn = Ctor || createCtor(fn);\n        }\n        return fn.apply(thisBinding, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.invertBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} toIteratee The function to resolve iteratees.\n     * @returns {Function} Returns the new inverter function.\n     */\n    function createInverter(setter, toIteratee) {\n      return function(object, iteratee) {\n        return baseInverter(object, setter, toIteratee(iteratee), {});\n      };\n    }\n\n    /**\n     * Creates a function that performs a mathematical operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @param {number} [defaultValue] The value used for `undefined` arguments.\n     * @returns {Function} Returns the new mathematical operation function.\n     */\n    function createMathOperation(operator, defaultValue) {\n      return function(value, other) {\n        var result;\n        if (value === undefined && other === undefined) {\n          return defaultValue;\n        }\n        if (value !== undefined) {\n          result = value;\n        }\n        if (other !== undefined) {\n          if (result === undefined) {\n            return other;\n          }\n          if (typeof value == 'string' || typeof other == 'string') {\n            value = baseToString(value);\n            other = baseToString(other);\n          } else {\n            value = baseToNumber(value);\n            other = baseToNumber(other);\n          }\n          result = operator(value, other);\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function like `_.over`.\n     *\n     * @private\n     * @param {Function} arrayFunc The function to iterate over iteratees.\n     * @returns {Function} Returns the new over function.\n     */\n    function createOver(arrayFunc) {\n      return flatRest(function(iteratees) {\n        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n        return baseRest(function(args) {\n          var thisArg = this;\n          return arrayFunc(iteratees, function(iteratee) {\n            return apply(iteratee, thisArg, args);\n          });\n        });\n      });\n    }\n\n    /**\n     * Creates the padding for `string` based on `length`. The `chars` string\n     * is truncated if the number of characters exceeds `length`.\n     *\n     * @private\n     * @param {number} length The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padding for `string`.\n     */\n    function createPadding(length, chars) {\n      chars = chars === undefined ? ' ' : baseToString(chars);\n\n      var charsLength = chars.length;\n      if (charsLength < 2) {\n        return charsLength ? baseRepeat(chars, length) : chars;\n      }\n      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n      return hasUnicode(chars)\n        ? castSlice(stringToArray(result), 0, length).join('')\n        : result.slice(0, length);\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the `this` binding\n     * of `thisArg` and `partials` prepended to the arguments it receives.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {Array} partials The arguments to prepend to those provided to\n     *  the new function.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createPartial(func, bitmask, thisArg, partials) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var argsIndex = -1,\n            argsLength = arguments.length,\n            leftIndex = -1,\n            leftLength = partials.length,\n            args = Array(leftLength + argsLength),\n            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n        while (++leftIndex < leftLength) {\n          args[leftIndex] = partials[leftIndex];\n        }\n        while (argsLength--) {\n          args[leftIndex++] = arguments[++argsIndex];\n        }\n        return apply(fn, isBind ? thisArg : this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.range` or `_.rangeRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new range function.\n     */\n    function createRange(fromRight) {\n      return function(start, end, step) {\n        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n          end = step = undefined;\n        }\n        // Ensure the sign of `-0` is preserved.\n        start = toFinite(start);\n        if (end === undefined) {\n          end = start;\n          start = 0;\n        } else {\n          end = toFinite(end);\n        }\n        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n        return baseRange(start, end, step, fromRight);\n      };\n    }\n\n    /**\n     * Creates a function that performs a relational operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @returns {Function} Returns the new relational operation function.\n     */\n    function createRelationalOperation(operator) {\n      return function(value, other) {\n        if (!(typeof value == 'string' && typeof other == 'string')) {\n          value = toNumber(value);\n          other = toNumber(other);\n        }\n        return operator(value, other);\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to continue currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {Function} wrapFunc The function to create the `func` wrapper.\n     * @param {*} placeholder The placeholder value.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n      var isCurry = bitmask & WRAP_CURRY_FLAG,\n          newHolders = isCurry ? holders : undefined,\n          newHoldersRight = isCurry ? undefined : holders,\n          newPartials = isCurry ? partials : undefined,\n          newPartialsRight = isCurry ? undefined : partials;\n\n      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n      }\n      var newData = [\n        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n        newHoldersRight, argPos, ary, arity\n      ];\n\n      var result = wrapFunc.apply(undefined, newData);\n      if (isLaziable(func)) {\n        setData(result, newData);\n      }\n      result.placeholder = placeholder;\n      return setWrapToString(result, func, bitmask);\n    }\n\n    /**\n     * Creates a function like `_.round`.\n     *\n     * @private\n     * @param {string} methodName The name of the `Math` method to use when rounding.\n     * @returns {Function} Returns the new round function.\n     */\n    function createRound(methodName) {\n      var func = Math[methodName];\n      return function(number, precision) {\n        number = toNumber(number);\n        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n        if (precision) {\n          // Shift with exponential notation to avoid floating-point issues.\n          // See [MDN](https://mdn.io/round#Examples) for more details.\n          var pair = (toString(number) + 'e').split('e'),\n              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n          pair = (toString(value) + 'e').split('e');\n          return +(pair[0] + 'e' + (+pair[1] - precision));\n        }\n        return func(number);\n      };\n    }\n\n    /**\n     * Creates a set object of `values`.\n     *\n     * @private\n     * @param {Array} values The values to add to the set.\n     * @returns {Object} Returns the new set.\n     */\n    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n      return new Set(values);\n    };\n\n    /**\n     * Creates a `_.toPairs` or `_.toPairsIn` function.\n     *\n     * @private\n     * @param {Function} keysFunc The function to get the keys of a given object.\n     * @returns {Function} Returns the new pairs function.\n     */\n    function createToPairs(keysFunc) {\n      return function(object) {\n        var tag = getTag(object);\n        if (tag == mapTag) {\n          return mapToArray(object);\n        }\n        if (tag == setTag) {\n          return setToPairs(object);\n        }\n        return baseToPairs(object, keysFunc(object));\n      };\n    }\n\n    /**\n     * Creates a function that either curries or invokes `func` with optional\n     * `this` binding and partially applied arguments.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags.\n     *    1 - `_.bind`\n     *    2 - `_.bindKey`\n     *    4 - `_.curry` or `_.curryRight` of a bound function\n     *    8 - `_.curry`\n     *   16 - `_.curryRight`\n     *   32 - `_.partial`\n     *   64 - `_.partialRight`\n     *  128 - `_.rearg`\n     *  256 - `_.ary`\n     *  512 - `_.flip`\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to be partially applied.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n      if (!isBindKey && typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var length = partials ? partials.length : 0;\n      if (!length) {\n        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n        partials = holders = undefined;\n      }\n      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n      arity = arity === undefined ? arity : toInteger(arity);\n      length -= holders ? holders.length : 0;\n\n      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n        var partialsRight = partials,\n            holdersRight = holders;\n\n        partials = holders = undefined;\n      }\n      var data = isBindKey ? undefined : getData(func);\n\n      var newData = [\n        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n        argPos, ary, arity\n      ];\n\n      if (data) {\n        mergeData(newData, data);\n      }\n      func = newData[0];\n      bitmask = newData[1];\n      thisArg = newData[2];\n      partials = newData[3];\n      holders = newData[4];\n      arity = newData[9] = newData[9] === undefined\n        ? (isBindKey ? 0 : func.length)\n        : nativeMax(newData[9] - length, 0);\n\n      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n      }\n      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n        var result = createBind(func, bitmask, thisArg);\n      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n        result = createCurry(func, bitmask, arity);\n      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n        result = createPartial(func, bitmask, thisArg, partials);\n      } else {\n        result = createHybrid.apply(undefined, newData);\n      }\n      var setter = data ? baseSetData : setData;\n      return setWrapToString(setter(result, newData), func, bitmask);\n    }\n\n    /**\n     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n     * of source objects to the destination object for all destination properties\n     * that resolve to `undefined`.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to assign.\n     * @param {Object} object The parent object of `objValue`.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n      if (objValue === undefined ||\n          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n        return srcValue;\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n     * objects into destination objects that are passed thru.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to merge.\n     * @param {Object} object The parent object of `objValue`.\n     * @param {Object} source The parent object of `srcValue`.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n      if (isObject(objValue) && isObject(srcValue)) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, objValue);\n        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n        stack['delete'](srcValue);\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n     * objects.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {string} key The key of the property to inspect.\n     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n     */\n    function customOmitClone(value) {\n      return isPlainObject(value) ? undefined : value;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for arrays with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Array} array The array to compare.\n     * @param {Array} other The other array to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `array` and `other` objects.\n     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n     */\n    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          arrLength = array.length,\n          othLength = other.length;\n\n      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n        return false;\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(array);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var index = -1,\n          result = true,\n          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n      stack.set(array, other);\n      stack.set(other, array);\n\n      // Ignore non-index properties.\n      while (++index < arrLength) {\n        var arrValue = array[index],\n            othValue = other[index];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, arrValue, index, other, array, stack)\n            : customizer(arrValue, othValue, index, array, other, stack);\n        }\n        if (compared !== undefined) {\n          if (compared) {\n            continue;\n          }\n          result = false;\n          break;\n        }\n        // Recursively compare arrays (susceptible to call stack limits).\n        if (seen) {\n          if (!arraySome(other, function(othValue, othIndex) {\n                if (!cacheHas(seen, othIndex) &&\n                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n                  return seen.push(othIndex);\n                }\n              })) {\n            result = false;\n            break;\n          }\n        } else if (!(\n              arrValue === othValue ||\n                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n            )) {\n          result = false;\n          break;\n        }\n      }\n      stack['delete'](array);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for comparing objects of\n     * the same `toStringTag`.\n     *\n     * **Note:** This function only supports comparing values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {string} tag The `toStringTag` of the objects to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n      switch (tag) {\n        case dataViewTag:\n          if ((object.byteLength != other.byteLength) ||\n              (object.byteOffset != other.byteOffset)) {\n            return false;\n          }\n          object = object.buffer;\n          other = other.buffer;\n\n        case arrayBufferTag:\n          if ((object.byteLength != other.byteLength) ||\n              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n            return false;\n          }\n          return true;\n\n        case boolTag:\n        case dateTag:\n        case numberTag:\n          // Coerce booleans to `1` or `0` and dates to milliseconds.\n          // Invalid dates are coerced to `NaN`.\n          return eq(+object, +other);\n\n        case errorTag:\n          return object.name == other.name && object.message == other.message;\n\n        case regexpTag:\n        case stringTag:\n          // Coerce regexes to strings and treat strings, primitives and objects,\n          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n          // for more details.\n          return object == (other + '');\n\n        case mapTag:\n          var convert = mapToArray;\n\n        case setTag:\n          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n          convert || (convert = setToArray);\n\n          if (object.size != other.size && !isPartial) {\n            return false;\n          }\n          // Assume cyclic values are equal.\n          var stacked = stack.get(object);\n          if (stacked) {\n            return stacked == other;\n          }\n          bitmask |= COMPARE_UNORDERED_FLAG;\n\n          // Recursively compare objects (susceptible to call stack limits).\n          stack.set(object, other);\n          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n          stack['delete'](object);\n          return result;\n\n        case symbolTag:\n          if (symbolValueOf) {\n            return symbolValueOf.call(object) == symbolValueOf.call(other);\n          }\n      }\n      return false;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for objects with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          objProps = getAllKeys(object),\n          objLength = objProps.length,\n          othProps = getAllKeys(other),\n          othLength = othProps.length;\n\n      if (objLength != othLength && !isPartial) {\n        return false;\n      }\n      var index = objLength;\n      while (index--) {\n        var key = objProps[index];\n        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n          return false;\n        }\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(object);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var result = true;\n      stack.set(object, other);\n      stack.set(other, object);\n\n      var skipCtor = isPartial;\n      while (++index < objLength) {\n        key = objProps[index];\n        var objValue = object[key],\n            othValue = other[key];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, objValue, key, other, object, stack)\n            : customizer(objValue, othValue, key, object, other, stack);\n        }\n        // Recursively compare objects (susceptible to call stack limits).\n        if (!(compared === undefined\n              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n              : compared\n            )) {\n          result = false;\n          break;\n        }\n        skipCtor || (skipCtor = key == 'constructor');\n      }\n      if (result && !skipCtor) {\n        var objCtor = object.constructor,\n            othCtor = other.constructor;\n\n        // Non `Object` object instances with different constructors are not equal.\n        if (objCtor != othCtor &&\n            ('constructor' in object && 'constructor' in other) &&\n            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n          result = false;\n        }\n      }\n      stack['delete'](object);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseRest` which flattens the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    function flatRest(func) {\n      return setToString(overRest(func, undefined, flatten), func + '');\n    }\n\n    /**\n     * Creates an array of own enumerable property names and symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeys(object) {\n      return baseGetAllKeys(object, keys, getSymbols);\n    }\n\n    /**\n     * Creates an array of own and inherited enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeysIn(object) {\n      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n    }\n\n    /**\n     * Gets metadata for `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {*} Returns the metadata for `func`.\n     */\n    var getData = !metaMap ? noop : function(func) {\n      return metaMap.get(func);\n    };\n\n    /**\n     * Gets the name of `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {string} Returns the function name.\n     */\n    function getFuncName(func) {\n      var result = (func.name + ''),\n          array = realNames[result],\n          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n      while (length--) {\n        var data = array[length],\n            otherFunc = data.func;\n        if (otherFunc == null || otherFunc == func) {\n          return data.name;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Gets the argument placeholder value for `func`.\n     *\n     * @private\n     * @param {Function} func The function to inspect.\n     * @returns {*} Returns the placeholder value.\n     */\n    function getHolder(func) {\n      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n      return object.placeholder;\n    }\n\n    /**\n     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n     * this function returns the custom method, otherwise it returns `baseIteratee`.\n     * If arguments are provided, the chosen function is invoked with them and\n     * its result is returned.\n     *\n     * @private\n     * @param {*} [value] The value to convert to an iteratee.\n     * @param {number} [arity] The arity of the created iteratee.\n     * @returns {Function} Returns the chosen function or its result.\n     */\n    function getIteratee() {\n      var result = lodash.iteratee || iteratee;\n      result = result === iteratee ? baseIteratee : result;\n      return arguments.length ? result(arguments[0], arguments[1]) : result;\n    }\n\n    /**\n     * Gets the data for `map`.\n     *\n     * @private\n     * @param {Object} map The map to query.\n     * @param {string} key The reference key.\n     * @returns {*} Returns the map data.\n     */\n    function getMapData(map, key) {\n      var data = map.__data__;\n      return isKeyable(key)\n        ? data[typeof key == 'string' ? 'string' : 'hash']\n        : data.map;\n    }\n\n    /**\n     * Gets the property names, values, and compare flags of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the match data of `object`.\n     */\n    function getMatchData(object) {\n      var result = keys(object),\n          length = result.length;\n\n      while (length--) {\n        var key = result[length],\n            value = object[key];\n\n        result[length] = [key, value, isStrictComparable(value)];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the native function at `key` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {string} key The key of the method to get.\n     * @returns {*} Returns the function if it's native, else `undefined`.\n     */\n    function getNative(object, key) {\n      var value = getValue(object, key);\n      return baseIsNative(value) ? value : undefined;\n    }\n\n    /**\n     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the raw `toStringTag`.\n     */\n    function getRawTag(value) {\n      var isOwn = hasOwnProperty.call(value, symToStringTag),\n          tag = value[symToStringTag];\n\n      try {\n        value[symToStringTag] = undefined;\n        var unmasked = true;\n      } catch (e) {}\n\n      var result = nativeObjectToString.call(value);\n      if (unmasked) {\n        if (isOwn) {\n          value[symToStringTag] = tag;\n        } else {\n          delete value[symToStringTag];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array of the own enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n      if (object == null) {\n        return [];\n      }\n      object = Object(object);\n      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n        return propertyIsEnumerable.call(object, symbol);\n      });\n    };\n\n    /**\n     * Creates an array of the own and inherited enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n      var result = [];\n      while (object) {\n        arrayPush(result, getSymbols(object));\n        object = getPrototype(object);\n      }\n      return result;\n    };\n\n    /**\n     * Gets the `toStringTag` of `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    var getTag = baseGetTag;\n\n    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n        (Map && getTag(new Map) != mapTag) ||\n        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n        (Set && getTag(new Set) != setTag) ||\n        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n      getTag = function(value) {\n        var result = baseGetTag(value),\n            Ctor = result == objectTag ? value.constructor : undefined,\n            ctorString = Ctor ? toSource(Ctor) : '';\n\n        if (ctorString) {\n          switch (ctorString) {\n            case dataViewCtorString: return dataViewTag;\n            case mapCtorString: return mapTag;\n            case promiseCtorString: return promiseTag;\n            case setCtorString: return setTag;\n            case weakMapCtorString: return weakMapTag;\n          }\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n     *\n     * @private\n     * @param {number} start The start of the view.\n     * @param {number} end The end of the view.\n     * @param {Array} transforms The transformations to apply to the view.\n     * @returns {Object} Returns an object containing the `start` and `end`\n     *  positions of the view.\n     */\n    function getView(start, end, transforms) {\n      var index = -1,\n          length = transforms.length;\n\n      while (++index < length) {\n        var data = transforms[index],\n            size = data.size;\n\n        switch (data.type) {\n          case 'drop':      start += size; break;\n          case 'dropRight': end -= size; break;\n          case 'take':      end = nativeMin(end, start + size); break;\n          case 'takeRight': start = nativeMax(start, end - size); break;\n        }\n      }\n      return { 'start': start, 'end': end };\n    }\n\n    /**\n     * Extracts wrapper details from the `source` body comment.\n     *\n     * @private\n     * @param {string} source The source to inspect.\n     * @returns {Array} Returns the wrapper details.\n     */\n    function getWrapDetails(source) {\n      var match = source.match(reWrapDetails);\n      return match ? match[1].split(reSplitDetails) : [];\n    }\n\n    /**\n     * Checks if `path` exists on `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @param {Function} hasFunc The function to check properties.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     */\n    function hasPath(object, path, hasFunc) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          result = false;\n\n      while (++index < length) {\n        var key = toKey(path[index]);\n        if (!(result = object != null && hasFunc(object, key))) {\n          break;\n        }\n        object = object[key];\n      }\n      if (result || ++index != length) {\n        return result;\n      }\n      length = object == null ? 0 : object.length;\n      return !!length && isLength(length) && isIndex(key, length) &&\n        (isArray(object) || isArguments(object));\n    }\n\n    /**\n     * Initializes an array clone.\n     *\n     * @private\n     * @param {Array} array The array to clone.\n     * @returns {Array} Returns the initialized clone.\n     */\n    function initCloneArray(array) {\n      var length = array.length,\n          result = array.constructor(length);\n\n      // Add properties assigned by `RegExp#exec`.\n      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n        result.index = array.index;\n        result.input = array.input;\n      }\n      return result;\n    }\n\n    /**\n     * Initializes an object clone.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneObject(object) {\n      return (typeof object.constructor == 'function' && !isPrototype(object))\n        ? baseCreate(getPrototype(object))\n        : {};\n    }\n\n    /**\n     * Initializes an object clone based on its `toStringTag`.\n     *\n     * **Note:** This function only supports cloning values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @param {string} tag The `toStringTag` of the object to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n      var Ctor = object.constructor;\n      switch (tag) {\n        case arrayBufferTag:\n          return cloneArrayBuffer(object);\n\n        case boolTag:\n        case dateTag:\n          return new Ctor(+object);\n\n        case dataViewTag:\n          return cloneDataView(object, isDeep);\n\n        case float32Tag: case float64Tag:\n        case int8Tag: case int16Tag: case int32Tag:\n        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n          return cloneTypedArray(object, isDeep);\n\n        case mapTag:\n          return cloneMap(object, isDeep, cloneFunc);\n\n        case numberTag:\n        case stringTag:\n          return new Ctor(object);\n\n        case regexpTag:\n          return cloneRegExp(object);\n\n        case setTag:\n          return cloneSet(object, isDeep, cloneFunc);\n\n        case symbolTag:\n          return cloneSymbol(object);\n      }\n    }\n\n    /**\n     * Inserts wrapper `details` in a comment at the top of the `source` body.\n     *\n     * @private\n     * @param {string} source The source to modify.\n     * @returns {Array} details The details to insert.\n     * @returns {string} Returns the modified source.\n     */\n    function insertWrapDetails(source, details) {\n      var length = details.length;\n      if (!length) {\n        return source;\n      }\n      var lastIndex = length - 1;\n      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n      details = details.join(length > 2 ? ', ' : ' ');\n      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n    }\n\n    /**\n     * Checks if `value` is a flattenable `arguments` object or array.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n     */\n    function isFlattenable(value) {\n      return isArray(value) || isArguments(value) ||\n        !!(spreadableSymbol && value && value[spreadableSymbol]);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like index.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n     */\n    function isIndex(value, length) {\n      length = length == null ? MAX_SAFE_INTEGER : length;\n      return !!length &&\n        (typeof value == 'number' || reIsUint.test(value)) &&\n        (value > -1 && value % 1 == 0 && value < length);\n    }\n\n    /**\n     * Checks if the given arguments are from an iteratee call.\n     *\n     * @private\n     * @param {*} value The potential iteratee value argument.\n     * @param {*} index The potential iteratee index or key argument.\n     * @param {*} object The potential iteratee object argument.\n     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n     *  else `false`.\n     */\n    function isIterateeCall(value, index, object) {\n      if (!isObject(object)) {\n        return false;\n      }\n      var type = typeof index;\n      if (type == 'number'\n            ? (isArrayLike(object) && isIndex(index, object.length))\n            : (type == 'string' && index in object)\n          ) {\n        return eq(object[index], value);\n      }\n      return false;\n    }\n\n    /**\n     * Checks if `value` is a property name and not a property path.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n     */\n    function isKey(value, object) {\n      if (isArray(value)) {\n        return false;\n      }\n      var type = typeof value;\n      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n          value == null || isSymbol(value)) {\n        return true;\n      }\n      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n        (object != null && value in Object(object));\n    }\n\n    /**\n     * Checks if `value` is suitable for use as unique object key.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n     */\n    function isKeyable(value) {\n      var type = typeof value;\n      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n        ? (value !== '__proto__')\n        : (value === null);\n    }\n\n    /**\n     * Checks if `func` has a lazy counterpart.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n     *  else `false`.\n     */\n    function isLaziable(func) {\n      var funcName = getFuncName(func),\n          other = lodash[funcName];\n\n      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n        return false;\n      }\n      if (func === other) {\n        return true;\n      }\n      var data = getData(other);\n      return !!data && func === data[0];\n    }\n\n    /**\n     * Checks if `func` has its source masked.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n     */\n    function isMasked(func) {\n      return !!maskSrcKey && (maskSrcKey in func);\n    }\n\n    /**\n     * Checks if `func` is capable of being masked.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n     */\n    var isMaskable = coreJsData ? isFunction : stubFalse;\n\n    /**\n     * Checks if `value` is likely a prototype object.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n     */\n    function isPrototype(value) {\n      var Ctor = value && value.constructor,\n          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n      return value === proto;\n    }\n\n    /**\n     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` if suitable for strict\n     *  equality comparisons, else `false`.\n     */\n    function isStrictComparable(value) {\n      return value === value && !isObject(value);\n    }\n\n    /**\n     * A specialized version of `matchesProperty` for source values suitable\n     * for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {string} key The key of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function matchesStrictComparable(key, srcValue) {\n      return function(object) {\n        if (object == null) {\n          return false;\n        }\n        return object[key] === srcValue &&\n          (srcValue !== undefined || (key in Object(object)));\n      };\n    }\n\n    /**\n     * A specialized version of `_.memoize` which clears the memoized function's\n     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n     *\n     * @private\n     * @param {Function} func The function to have its output memoized.\n     * @returns {Function} Returns the new memoized function.\n     */\n    function memoizeCapped(func) {\n      var result = memoize(func, function(key) {\n        if (cache.size === MAX_MEMOIZE_SIZE) {\n          cache.clear();\n        }\n        return key;\n      });\n\n      var cache = result.cache;\n      return result;\n    }\n\n    /**\n     * Merges the function metadata of `source` into `data`.\n     *\n     * Merging metadata reduces the number of wrappers used to invoke a function.\n     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n     * may be applied regardless of execution order. Methods like `_.ary` and\n     * `_.rearg` modify function arguments, making the order in which they are\n     * executed important, preventing the merging of metadata. However, we make\n     * an exception for a safe combined case where curried functions have `_.ary`\n     * and or `_.rearg` applied.\n     *\n     * @private\n     * @param {Array} data The destination metadata.\n     * @param {Array} source The source metadata.\n     * @returns {Array} Returns `data`.\n     */\n    function mergeData(data, source) {\n      var bitmask = data[1],\n          srcBitmask = source[1],\n          newBitmask = bitmask | srcBitmask,\n          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n      var isCombo =\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n      // Exit early if metadata can't be merged.\n      if (!(isCommon || isCombo)) {\n        return data;\n      }\n      // Use source `thisArg` if available.\n      if (srcBitmask & WRAP_BIND_FLAG) {\n        data[2] = source[2];\n        // Set when currying a bound function.\n        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n      }\n      // Compose partial arguments.\n      var value = source[3];\n      if (value) {\n        var partials = data[3];\n        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n      }\n      // Compose partial right arguments.\n      value = source[5];\n      if (value) {\n        partials = data[5];\n        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n      }\n      // Use source `argPos` if available.\n      value = source[7];\n      if (value) {\n        data[7] = value;\n      }\n      // Use source `ary` if it's smaller.\n      if (srcBitmask & WRAP_ARY_FLAG) {\n        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n      }\n      // Use source `arity` if one is not provided.\n      if (data[9] == null) {\n        data[9] = source[9];\n      }\n      // Use source `func` and merge bitmasks.\n      data[0] = source[0];\n      data[1] = newBitmask;\n\n      return data;\n    }\n\n    /**\n     * This function is like\n     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * except that it includes inherited enumerable properties.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function nativeKeysIn(object) {\n      var result = [];\n      if (object != null) {\n        for (var key in Object(object)) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a string using `Object.prototype.toString`.\n     *\n     * @private\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     */\n    function objectToString(value) {\n      return nativeObjectToString.call(value);\n    }\n\n    /**\n     * A specialized version of `baseRest` which transforms the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @param {Function} transform The rest array transform.\n     * @returns {Function} Returns the new function.\n     */\n    function overRest(func, start, transform) {\n      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n      return function() {\n        var args = arguments,\n            index = -1,\n            length = nativeMax(args.length - start, 0),\n            array = Array(length);\n\n        while (++index < length) {\n          array[index] = args[start + index];\n        }\n        index = -1;\n        var otherArgs = Array(start + 1);\n        while (++index < start) {\n          otherArgs[index] = args[index];\n        }\n        otherArgs[start] = transform(array);\n        return apply(func, this, otherArgs);\n      };\n    }\n\n    /**\n     * Gets the parent value at `path` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array} path The path to get the parent value of.\n     * @returns {*} Returns the parent value.\n     */\n    function parent(object, path) {\n      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n    }\n\n    /**\n     * Reorder `array` according to the specified indexes where the element at\n     * the first index is assigned as the first element, the element at\n     * the second index is assigned as the second element, and so on.\n     *\n     * @private\n     * @param {Array} array The array to reorder.\n     * @param {Array} indexes The arranged array indexes.\n     * @returns {Array} Returns `array`.\n     */\n    function reorder(array, indexes) {\n      var arrLength = array.length,\n          length = nativeMin(indexes.length, arrLength),\n          oldArray = copyArray(array);\n\n      while (length--) {\n        var index = indexes[length];\n        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n      }\n      return array;\n    }\n\n    /**\n     * Sets metadata for `func`.\n     *\n     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n     * period of time, it will trip its breaker and transition to an identity\n     * function to avoid garbage collection pauses in V8. See\n     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n     * for more details.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var setData = shortOut(baseSetData);\n\n    /**\n     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    var setTimeout = ctxSetTimeout || function(func, wait) {\n      return root.setTimeout(func, wait);\n    };\n\n    /**\n     * Sets the `toString` method of `func` to return `string`.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var setToString = shortOut(baseSetToString);\n\n    /**\n     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n     * with wrapper details in a comment at the top of the source body.\n     *\n     * @private\n     * @param {Function} wrapper The function to modify.\n     * @param {Function} reference The reference function.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Function} Returns `wrapper`.\n     */\n    function setWrapToString(wrapper, reference, bitmask) {\n      var source = (reference + '');\n      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n    }\n\n    /**\n     * Creates a function that'll short out and invoke `identity` instead\n     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n     * milliseconds.\n     *\n     * @private\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new shortable function.\n     */\n    function shortOut(func) {\n      var count = 0,\n          lastCalled = 0;\n\n      return function() {\n        var stamp = nativeNow(),\n            remaining = HOT_SPAN - (stamp - lastCalled);\n\n        lastCalled = stamp;\n        if (remaining > 0) {\n          if (++count >= HOT_COUNT) {\n            return arguments[0];\n          }\n        } else {\n          count = 0;\n        }\n        return func.apply(undefined, arguments);\n      };\n    }\n\n    /**\n     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @param {number} [size=array.length] The size of `array`.\n     * @returns {Array} Returns `array`.\n     */\n    function shuffleSelf(array, size) {\n      var index = -1,\n          length = array.length,\n          lastIndex = length - 1;\n\n      size = size === undefined ? length : size;\n      while (++index < size) {\n        var rand = baseRandom(index, lastIndex),\n            value = array[rand];\n\n        array[rand] = array[index];\n        array[index] = value;\n      }\n      array.length = size;\n      return array;\n    }\n\n    /**\n     * Converts `string` to a property path array.\n     *\n     * @private\n     * @param {string} string The string to convert.\n     * @returns {Array} Returns the property path array.\n     */\n    var stringToPath = memoizeCapped(function(string) {\n      var result = [];\n      if (reLeadingDot.test(string)) {\n        result.push('');\n      }\n      string.replace(rePropName, function(match, number, quote, string) {\n        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n      });\n      return result;\n    });\n\n    /**\n     * Converts `value` to a string key if it's not a string or symbol.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {string|symbol} Returns the key.\n     */\n    function toKey(value) {\n      if (typeof value == 'string' || isSymbol(value)) {\n        return value;\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * Converts `func` to its source code.\n     *\n     * @private\n     * @param {Function} func The function to convert.\n     * @returns {string} Returns the source code.\n     */\n    function toSource(func) {\n      if (func != null) {\n        try {\n          return funcToString.call(func);\n        } catch (e) {}\n        try {\n          return (func + '');\n        } catch (e) {}\n      }\n      return '';\n    }\n\n    /**\n     * Updates wrapper `details` based on `bitmask` flags.\n     *\n     * @private\n     * @returns {Array} details The details to modify.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Array} Returns `details`.\n     */\n    function updateWrapDetails(details, bitmask) {\n      arrayEach(wrapFlags, function(pair) {\n        var value = '_.' + pair[0];\n        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n          details.push(value);\n        }\n      });\n      return details.sort();\n    }\n\n    /**\n     * Creates a clone of `wrapper`.\n     *\n     * @private\n     * @param {Object} wrapper The wrapper to clone.\n     * @returns {Object} Returns the cloned wrapper.\n     */\n    function wrapperClone(wrapper) {\n      if (wrapper instanceof LazyWrapper) {\n        return wrapper.clone();\n      }\n      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n      result.__actions__ = copyArray(wrapper.__actions__);\n      result.__index__  = wrapper.__index__;\n      result.__values__ = wrapper.__values__;\n      return result;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of elements split into groups the length of `size`.\n     * If `array` can't be split evenly, the final chunk will be the remaining\n     * elements.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to process.\n     * @param {number} [size=1] The length of each chunk\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the new array of chunks.\n     * @example\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 2);\n     * // => [['a', 'b'], ['c', 'd']]\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 3);\n     * // => [['a', 'b', 'c'], ['d']]\n     */\n    function chunk(array, size, guard) {\n      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n        size = 1;\n      } else {\n        size = nativeMax(toInteger(size), 0);\n      }\n      var length = array == null ? 0 : array.length;\n      if (!length || size < 1) {\n        return [];\n      }\n      var index = 0,\n          resIndex = 0,\n          result = Array(nativeCeil(length / size));\n\n      while (index < length) {\n        result[resIndex++] = baseSlice(array, index, (index += size));\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array with all falsey values removed. The values `false`, `null`,\n     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to compact.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.compact([0, 1, false, 2, '', 3]);\n     * // => [1, 2, 3]\n     */\n    function compact(array) {\n      var index = -1,\n          length = array == null ? 0 : array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index];\n        if (value) {\n          result[resIndex++] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates a new array concatenating `array` with any additional arrays\n     * and/or values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to concatenate.\n     * @param {...*} [values] The values to concatenate.\n     * @returns {Array} Returns the new concatenated array.\n     * @example\n     *\n     * var array = [1];\n     * var other = _.concat(array, 2, [3], [[4]]);\n     *\n     * console.log(other);\n     * // => [1, 2, 3, [4]]\n     *\n     * console.log(array);\n     * // => [1]\n     */\n    function concat() {\n      var length = arguments.length;\n      if (!length) {\n        return [];\n      }\n      var args = Array(length - 1),\n          array = arguments[0],\n          index = length;\n\n      while (index--) {\n        args[index - 1] = arguments[index];\n      }\n      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n    }\n\n    /**\n     * Creates an array of `array` values not included in the other given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.without, _.xor\n     * @example\n     *\n     * _.difference([2, 1], [2, 3]);\n     * // => [1]\n     */\n    var difference = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `iteratee` which\n     * is invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var differenceBy = baseRest(function(array, values) {\n      var iteratee = last(values);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `comparator`\n     * which is invoked to compare elements of `array` to `values`. The order and\n     * references of result values are determined by the first array. The comparator\n     * is invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     *\n     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }]\n     */\n    var differenceWith = baseRest(function(array, values) {\n      var comparator = last(values);\n      if (isArrayLikeObject(comparator)) {\n        comparator = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.drop([1, 2, 3]);\n     * // => [2, 3]\n     *\n     * _.drop([1, 2, 3], 2);\n     * // => [3]\n     *\n     * _.drop([1, 2, 3], 5);\n     * // => []\n     *\n     * _.drop([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function drop(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.dropRight([1, 2, 3]);\n     * // => [1, 2]\n     *\n     * _.dropRight([1, 2, 3], 2);\n     * // => [1]\n     *\n     * _.dropRight([1, 2, 3], 5);\n     * // => []\n     *\n     * _.dropRight([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function dropRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the end.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.dropRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropRightWhile(users, ['active', false]);\n     * // => objects for ['barney']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropRightWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the beginning.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.dropWhile(users, function(o) { return !o.active; });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropWhile(users, ['active', false]);\n     * // => objects for ['pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true)\n        : [];\n    }\n\n    /**\n     * Fills elements of `array` with `value` from `start` up to, but not\n     * including, `end`.\n     *\n     * **Note:** This method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Array\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.fill(array, 'a');\n     * console.log(array);\n     * // => ['a', 'a', 'a']\n     *\n     * _.fill(Array(3), 2);\n     * // => [2, 2, 2]\n     *\n     * _.fill([4, 6, 8, 10], '*', 1, 3);\n     * // => [4, '*', '*', 10]\n     */\n    function fill(array, value, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n        start = 0;\n        end = length;\n      }\n      return baseFill(array, value, start, end);\n    }\n\n    /**\n     * This method is like `_.find` except that it returns the index of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n     * // => 0\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findIndex(users, { 'user': 'fred', 'active': false });\n     * // => 1\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findIndex(users, ['active', false]);\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findIndex(users, 'active');\n     * // => 2\n     */\n    function findIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index);\n    }\n\n    /**\n     * This method is like `_.findIndex` except that it iterates over elements\n     * of `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n     * // => 2\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n     * // => 0\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastIndex(users, ['active', false]);\n     * // => 2\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastIndex(users, 'active');\n     * // => 0\n     */\n    function findLastIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length - 1;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = fromIndex < 0\n          ? nativeMax(length + index, 0)\n          : nativeMin(index, length - 1);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n    }\n\n    /**\n     * Flattens `array` a single level deep.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flatten([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, [3, [4]], 5]\n     */\n    function flatten(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, 1) : [];\n    }\n\n    /**\n     * Recursively flattens `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, 3, 4, 5]\n     */\n    function flattenDeep(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, INFINITY) : [];\n    }\n\n    /**\n     * Recursively flatten `array` up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * var array = [1, [2, [3, [4]], 5]];\n     *\n     * _.flattenDepth(array, 1);\n     * // => [1, 2, [3, [4]], 5]\n     *\n     * _.flattenDepth(array, 2);\n     * // => [1, 2, 3, [4], 5]\n     */\n    function flattenDepth(array, depth) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(array, depth);\n    }\n\n    /**\n     * The inverse of `_.toPairs`; this method returns an object composed\n     * from key-value `pairs`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} pairs The key-value pairs.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.fromPairs([['a', 1], ['b', 2]]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function fromPairs(pairs) {\n      var index = -1,\n          length = pairs == null ? 0 : pairs.length,\n          result = {};\n\n      while (++index < length) {\n        var pair = pairs[index];\n        result[pair[0]] = pair[1];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias first\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the first element of `array`.\n     * @example\n     *\n     * _.head([1, 2, 3]);\n     * // => 1\n     *\n     * _.head([]);\n     * // => undefined\n     */\n    function head(array) {\n      return (array && array.length) ? array[0] : undefined;\n    }\n\n    /**\n     * Gets the index at which the first occurrence of `value` is found in `array`\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. If `fromIndex` is negative, it's used as the\n     * offset from the end of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.indexOf([1, 2, 1, 2], 2);\n     * // => 1\n     *\n     * // Search from the `fromIndex`.\n     * _.indexOf([1, 2, 1, 2], 2, 2);\n     * // => 3\n     */\n    function indexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseIndexOf(array, value, index);\n    }\n\n    /**\n     * Gets all but the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.initial([1, 2, 3]);\n     * // => [1, 2]\n     */\n    function initial(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 0, -1) : [];\n    }\n\n    /**\n     * Creates an array of unique values that are included in all given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersection([2, 1], [2, 3]);\n     * // => [2]\n     */\n    var intersection = baseRest(function(arrays) {\n      var mapped = arrayMap(arrays, castArrayLikeObject);\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped)\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `iteratee`\n     * which is invoked for each element of each `arrays` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [2.1]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }]\n     */\n    var intersectionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      if (iteratee === last(mapped)) {\n        iteratee = undefined;\n      } else {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `comparator`\n     * which is invoked to compare elements of `arrays`. The order and references\n     * of result values are determined by the first array. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.intersectionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }]\n     */\n    var intersectionWith = baseRest(function(arrays) {\n      var comparator = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      if (comparator) {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Converts all elements in `array` into a string separated by `separator`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to convert.\n     * @param {string} [separator=','] The element separator.\n     * @returns {string} Returns the joined string.\n     * @example\n     *\n     * _.join(['a', 'b', 'c'], '~');\n     * // => 'a~b~c'\n     */\n    function join(array, separator) {\n      return array == null ? '' : nativeJoin.call(array, separator);\n    }\n\n    /**\n     * Gets the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the last element of `array`.\n     * @example\n     *\n     * _.last([1, 2, 3]);\n     * // => 3\n     */\n    function last(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? array[length - 1] : undefined;\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it iterates over elements of\n     * `array` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.lastIndexOf([1, 2, 1, 2], 2);\n     * // => 3\n     *\n     * // Search from the `fromIndex`.\n     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n     * // => 1\n     */\n    function lastIndexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n      }\n      return value === value\n        ? strictLastIndexOf(array, value, index)\n        : baseFindIndex(array, baseIsNaN, index, true);\n    }\n\n    /**\n     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n     * element from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.11.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=0] The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     *\n     * _.nth(array, 1);\n     * // => 'b'\n     *\n     * _.nth(array, -2);\n     * // => 'c';\n     */\n    function nth(array, n) {\n      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n    }\n\n    /**\n     * Removes all given values from `array` using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n     * to remove elements from an array by predicate.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...*} [values] The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pull(array, 'a', 'c');\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    var pull = baseRest(pullAll);\n\n    /**\n     * This method is like `_.pull` except that it accepts an array of values to remove.\n     *\n     * **Note:** Unlike `_.difference`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pullAll(array, ['a', 'c']);\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    function pullAll(array, values) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values)\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n     * invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The iteratee is invoked with one argument: (value).\n     *\n     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n     *\n     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n     * console.log(array);\n     * // => [{ 'x': 2 }]\n     */\n    function pullAllBy(array, values, iteratee) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, getIteratee(iteratee, 2))\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `comparator` which\n     * is invoked to compare elements of `array` to `values`. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n     *\n     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n     * console.log(array);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n     */\n    function pullAllWith(array, values, comparator) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, undefined, comparator)\n        : array;\n    }\n\n    /**\n     * Removes elements from `array` corresponding to `indexes` and returns an\n     * array of removed elements.\n     *\n     * **Note:** Unlike `_.at`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     * var pulled = _.pullAt(array, [1, 3]);\n     *\n     * console.log(array);\n     * // => ['a', 'c']\n     *\n     * console.log(pulled);\n     * // => ['b', 'd']\n     */\n    var pullAt = flatRest(function(array, indexes) {\n      var length = array == null ? 0 : array.length,\n          result = baseAt(array, indexes);\n\n      basePullAt(array, arrayMap(indexes, function(index) {\n        return isIndex(index, length) ? +index : index;\n      }).sort(compareAscending));\n\n      return result;\n    });\n\n    /**\n     * Removes all elements from `array` that `predicate` returns truthy for\n     * and returns an array of the removed elements. The predicate is invoked\n     * with three arguments: (value, index, array).\n     *\n     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n     * to pull elements from an array by value.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = [1, 2, 3, 4];\n     * var evens = _.remove(array, function(n) {\n     *   return n % 2 == 0;\n     * });\n     *\n     * console.log(array);\n     * // => [1, 3]\n     *\n     * console.log(evens);\n     * // => [2, 4]\n     */\n    function remove(array, predicate) {\n      var result = [];\n      if (!(array && array.length)) {\n        return result;\n      }\n      var index = -1,\n          indexes = [],\n          length = array.length;\n\n      predicate = getIteratee(predicate, 3);\n      while (++index < length) {\n        var value = array[index];\n        if (predicate(value, index, array)) {\n          result.push(value);\n          indexes.push(index);\n        }\n      }\n      basePullAt(array, indexes);\n      return result;\n    }\n\n    /**\n     * Reverses `array` so that the first element becomes the last, the second\n     * element becomes the second to last, and so on.\n     *\n     * **Note:** This method mutates `array` and is based on\n     * [`Array#reverse`](https://mdn.io/Array/reverse).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.reverse(array);\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function reverse(array) {\n      return array == null ? array : nativeReverse.call(array);\n    }\n\n    /**\n     * Creates a slice of `array` from `start` up to, but not including, `end`.\n     *\n     * **Note:** This method is used instead of\n     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n     * returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function slice(array, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n        start = 0;\n        end = length;\n      }\n      else {\n        start = start == null ? 0 : toInteger(start);\n        end = end === undefined ? length : toInteger(end);\n      }\n      return baseSlice(array, start, end);\n    }\n\n    /**\n     * Uses a binary search to determine the lowest index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedIndex([30, 50], 40);\n     * // => 1\n     */\n    function sortedIndex(array, value) {\n      return baseSortedIndex(array, value);\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 0\n     */\n    function sortedIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 1\n     */\n    function sortedIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value);\n        if (index < length && eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it returns the highest\n     * index at which `value` should be inserted into `array` in order to\n     * maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n     * // => 4\n     */\n    function sortedLastIndex(array, value) {\n      return baseSortedIndex(array, value, true);\n    }\n\n    /**\n     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 1\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 1\n     */\n    function sortedLastIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n    }\n\n    /**\n     * This method is like `_.lastIndexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 3\n     */\n    function sortedLastIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value, true) - 1;\n        if (eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.uniq` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniq([1, 1, 2]);\n     * // => [1, 2]\n     */\n    function sortedUniq(array) {\n      return (array && array.length)\n        ? baseSortedUniq(array)\n        : [];\n    }\n\n    /**\n     * This method is like `_.uniqBy` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n     * // => [1.1, 2.3]\n     */\n    function sortedUniqBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n        : [];\n    }\n\n    /**\n     * Gets all but the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.tail([1, 2, 3]);\n     * // => [2, 3]\n     */\n    function tail(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 1, length) : [];\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.take([1, 2, 3]);\n     * // => [1]\n     *\n     * _.take([1, 2, 3], 2);\n     * // => [1, 2]\n     *\n     * _.take([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.take([1, 2, 3], 0);\n     * // => []\n     */\n    function take(array, n, guard) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.takeRight([1, 2, 3]);\n     * // => [3]\n     *\n     * _.takeRight([1, 2, 3], 2);\n     * // => [2, 3]\n     *\n     * _.takeRight([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.takeRight([1, 2, 3], 0);\n     * // => []\n     */\n    function takeRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the end. Elements are\n     * taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.takeRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeRightWhile(users, ['active', false]);\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeRightWhile(users, 'active');\n     * // => []\n     */\n    function takeRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the beginning. Elements\n     * are taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.takeWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeWhile(users, ['active', false]);\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeWhile(users, 'active');\n     * // => []\n     */\n    function takeWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3))\n        : [];\n    }\n\n    /**\n     * Creates an array of unique values, in order, from all given arrays using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.union([2], [1, 2]);\n     * // => [2, 1]\n     */\n    var union = baseRest(function(arrays) {\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which uniqueness is computed. Result values are chosen from the first\n     * array in which the value occurs. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    var unionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `comparator` which\n     * is invoked to compare elements of `arrays`. Result values are chosen from\n     * the first array in which the value occurs. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.unionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var unionWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n    });\n\n    /**\n     * Creates a duplicate-free version of an array, using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons, in which only the first occurrence of each element\n     * is kept. The order of result values is determined by the order they occur\n     * in the array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniq([2, 1, 2]);\n     * // => [2, 1]\n     */\n    function uniq(array) {\n      return (array && array.length) ? baseUniq(array) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * uniqueness is computed. The order of result values is determined by the\n     * order they occur in the array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    function uniqBy(array, iteratee) {\n      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `comparator` which\n     * is invoked to compare elements of `array`. The order of result values is\n     * determined by the order they occur in the array.The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.uniqWith(objects, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n     */\n    function uniqWith(array, comparator) {\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts an array of grouped\n     * elements and creates an array regrouping the elements to their pre-zip\n     * configuration.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.2.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     *\n     * _.unzip(zipped);\n     * // => [['a', 'b'], [1, 2], [true, false]]\n     */\n    function unzip(array) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var length = 0;\n      array = arrayFilter(array, function(group) {\n        if (isArrayLikeObject(group)) {\n          length = nativeMax(group.length, length);\n          return true;\n        }\n      });\n      return baseTimes(length, function(index) {\n        return arrayMap(array, baseProperty(index));\n      });\n    }\n\n    /**\n     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n     * how regrouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  regrouped values.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n     * // => [[1, 10, 100], [2, 20, 200]]\n     *\n     * _.unzipWith(zipped, _.add);\n     * // => [3, 30, 300]\n     */\n    function unzipWith(array, iteratee) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var result = unzip(array);\n      if (iteratee == null) {\n        return result;\n      }\n      return arrayMap(result, function(group) {\n        return apply(iteratee, undefined, group);\n      });\n    }\n\n    /**\n     * Creates an array excluding all given values using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.pull`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...*} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.xor\n     * @example\n     *\n     * _.without([2, 1, 2, 3], 1, 2);\n     * // => [3]\n     */\n    var without = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, values)\n        : [];\n    });\n\n    /**\n     * Creates an array of unique values that is the\n     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n     * of the given arrays. The order of result values is determined by the order\n     * they occur in the arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.without\n     * @example\n     *\n     * _.xor([2, 1], [2, 3]);\n     * // => [1, 3]\n     */\n    var xor = baseRest(function(arrays) {\n      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which by which they're compared. The order of result values is determined\n     * by the order they occur in the arrays. The iteratee is invoked with one\n     * argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2, 3.4]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var xorBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `comparator` which is\n     * invoked to compare elements of `arrays`. The order of result values is\n     * determined by the order they occur in the arrays. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.xorWith(objects, others, _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var xorWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n    });\n\n    /**\n     * Creates an array of grouped elements, the first of which contains the\n     * first elements of the given arrays, the second of which contains the\n     * second elements of the given arrays, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     */\n    var zip = baseRest(unzip);\n\n    /**\n     * This method is like `_.fromPairs` except that it accepts two arrays,\n     * one of property identifiers and one of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.4.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObject(['a', 'b'], [1, 2]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function zipObject(props, values) {\n      return baseZipObject(props || [], values || [], assignValue);\n    }\n\n    /**\n     * This method is like `_.zipObject` except that it supports property paths.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n     */\n    function zipObjectDeep(props, values) {\n      return baseZipObject(props || [], values || [], baseSet);\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts `iteratee` to specify\n     * how grouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  grouped values.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n     *   return a + b + c;\n     * });\n     * // => [111, 222]\n     */\n    var zipWith = baseRest(function(arrays) {\n      var length = arrays.length,\n          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n      return unzipWith(arrays, iteratee);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n     * chain sequences enabled. The result of such sequences must be unwrapped\n     * with `_#value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Seq\n     * @param {*} value The value to wrap.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36 },\n     *   { 'user': 'fred',    'age': 40 },\n     *   { 'user': 'pebbles', 'age': 1 }\n     * ];\n     *\n     * var youngest = _\n     *   .chain(users)\n     *   .sortBy('age')\n     *   .map(function(o) {\n     *     return o.user + ' is ' + o.age;\n     *   })\n     *   .head()\n     *   .value();\n     * // => 'pebbles is 1'\n     */\n    function chain(value) {\n      var result = lodash(value);\n      result.__chain__ = true;\n      return result;\n    }\n\n    /**\n     * This method invokes `interceptor` and returns `value`. The interceptor\n     * is invoked with one argument; (value). The purpose of this method is to\n     * \"tap into\" a method chain sequence in order to modify intermediate results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * _([1, 2, 3])\n     *  .tap(function(array) {\n     *    // Mutate input array.\n     *    array.pop();\n     *  })\n     *  .reverse()\n     *  .value();\n     * // => [2, 1]\n     */\n    function tap(value, interceptor) {\n      interceptor(value);\n      return value;\n    }\n\n    /**\n     * This method is like `_.tap` except that it returns the result of `interceptor`.\n     * The purpose of this method is to \"pass thru\" values replacing intermediate\n     * results in a method chain sequence.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns the result of `interceptor`.\n     * @example\n     *\n     * _('  abc  ')\n     *  .chain()\n     *  .trim()\n     *  .thru(function(value) {\n     *    return [value];\n     *  })\n     *  .value();\n     * // => ['abc']\n     */\n    function thru(value, interceptor) {\n      return interceptor(value);\n    }\n\n    /**\n     * This method is the wrapper version of `_.at`.\n     *\n     * @name at\n     * @memberOf _\n     * @since 1.0.0\n     * @category Seq\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _(object).at(['a[0].b.c', 'a[1]']).value();\n     * // => [3, 4]\n     */\n    var wrapperAt = flatRest(function(paths) {\n      var length = paths.length,\n          start = length ? paths[0] : 0,\n          value = this.__wrapped__,\n          interceptor = function(object) { return baseAt(object, paths); };\n\n      if (length > 1 || this.__actions__.length ||\n          !(value instanceof LazyWrapper) || !isIndex(start)) {\n        return this.thru(interceptor);\n      }\n      value = value.slice(start, +start + (length ? 1 : 0));\n      value.__actions__.push({\n        'func': thru,\n        'args': [interceptor],\n        'thisArg': undefined\n      });\n      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n        if (length && !array.length) {\n          array.push(undefined);\n        }\n        return array;\n      });\n    });\n\n    /**\n     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n     *\n     * @name chain\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 }\n     * ];\n     *\n     * // A sequence without explicit chaining.\n     * _(users).head();\n     * // => { 'user': 'barney', 'age': 36 }\n     *\n     * // A sequence with explicit chaining.\n     * _(users)\n     *   .chain()\n     *   .head()\n     *   .pick('user')\n     *   .value();\n     * // => { 'user': 'barney' }\n     */\n    function wrapperChain() {\n      return chain(this);\n    }\n\n    /**\n     * Executes the chain sequence and returns the wrapped result.\n     *\n     * @name commit\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2];\n     * var wrapped = _(array).push(3);\n     *\n     * console.log(array);\n     * // => [1, 2]\n     *\n     * wrapped = wrapped.commit();\n     * console.log(array);\n     * // => [1, 2, 3]\n     *\n     * wrapped.last();\n     * // => 3\n     *\n     * console.log(array);\n     * // => [1, 2, 3]\n     */\n    function wrapperCommit() {\n      return new LodashWrapper(this.value(), this.__chain__);\n    }\n\n    /**\n     * Gets the next value on a wrapped object following the\n     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n     *\n     * @name next\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the next iterator value.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 1 }\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 2 }\n     *\n     * wrapped.next();\n     * // => { 'done': true, 'value': undefined }\n     */\n    function wrapperNext() {\n      if (this.__values__ === undefined) {\n        this.__values__ = toArray(this.value());\n      }\n      var done = this.__index__ >= this.__values__.length,\n          value = done ? undefined : this.__values__[this.__index__++];\n\n      return { 'done': done, 'value': value };\n    }\n\n    /**\n     * Enables the wrapper to be iterable.\n     *\n     * @name Symbol.iterator\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the wrapper object.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped[Symbol.iterator]() === wrapped;\n     * // => true\n     *\n     * Array.from(wrapped);\n     * // => [1, 2]\n     */\n    function wrapperToIterator() {\n      return this;\n    }\n\n    /**\n     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n     *\n     * @name plant\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @param {*} value The value to plant.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2]).map(square);\n     * var other = wrapped.plant([3, 4]);\n     *\n     * other.value();\n     * // => [9, 16]\n     *\n     * wrapped.value();\n     * // => [1, 4]\n     */\n    function wrapperPlant(value) {\n      var result,\n          parent = this;\n\n      while (parent instanceof baseLodash) {\n        var clone = wrapperClone(parent);\n        clone.__index__ = 0;\n        clone.__values__ = undefined;\n        if (result) {\n          previous.__wrapped__ = clone;\n        } else {\n          result = clone;\n        }\n        var previous = clone;\n        parent = parent.__wrapped__;\n      }\n      previous.__wrapped__ = value;\n      return result;\n    }\n\n    /**\n     * This method is the wrapper version of `_.reverse`.\n     *\n     * **Note:** This method mutates the wrapped array.\n     *\n     * @name reverse\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _(array).reverse().value()\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function wrapperReverse() {\n      var value = this.__wrapped__;\n      if (value instanceof LazyWrapper) {\n        var wrapped = value;\n        if (this.__actions__.length) {\n          wrapped = new LazyWrapper(this);\n        }\n        wrapped = wrapped.reverse();\n        wrapped.__actions__.push({\n          'func': thru,\n          'args': [reverse],\n          'thisArg': undefined\n        });\n        return new LodashWrapper(wrapped, this.__chain__);\n      }\n      return this.thru(reverse);\n    }\n\n    /**\n     * Executes the chain sequence to resolve the unwrapped value.\n     *\n     * @name value\n     * @memberOf _\n     * @since 0.1.0\n     * @alias toJSON, valueOf\n     * @category Seq\n     * @returns {*} Returns the resolved unwrapped value.\n     * @example\n     *\n     * _([1, 2, 3]).value();\n     * // => [1, 2, 3]\n     */\n    function wrapperValue() {\n      return baseWrapperValue(this.__wrapped__, this.__actions__);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the number of times the key was returned by `iteratee`. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': 1, '6': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.countBy(['one', 'two', 'three'], 'length');\n     * // => { '3': 2, '5': 1 }\n     */\n    var countBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        ++result[key];\n      } else {\n        baseAssignValue(result, key, 1);\n      }\n    });\n\n    /**\n     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n     * Iteration is stopped once `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * **Note:** This method returns `true` for\n     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n     * elements of empty collections.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.every([true, 1, null, 'yes'], Boolean);\n     * // => false\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.every(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.every(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.every(users, 'active');\n     * // => false\n     */\n    function every(collection, predicate, guard) {\n      var func = isArray(collection) ? arrayEvery : baseEvery;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning an array of all elements\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * **Note:** Unlike `_.remove`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.reject\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * _.filter(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, { 'age': 36, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.filter(users, 'active');\n     * // => objects for ['barney']\n     */\n    function filter(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning the first element\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': true },\n     *   { 'user': 'fred',    'age': 40, 'active': false },\n     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n     * ];\n     *\n     * _.find(users, function(o) { return o.age < 40; });\n     * // => object for 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.find(users, { 'age': 1, 'active': true });\n     * // => object for 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.find(users, ['active', false]);\n     * // => object for 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.find(users, 'active');\n     * // => object for 'barney'\n     */\n    var find = createFind(findIndex);\n\n    /**\n     * This method is like `_.find` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=collection.length-1] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * _.findLast([1, 2, 3, 4], function(n) {\n     *   return n % 2 == 1;\n     * });\n     * // => 3\n     */\n    var findLast = createFind(findLastIndex);\n\n    /**\n     * Creates a flattened array of values by running each element in `collection`\n     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n     * with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [n, n];\n     * }\n     *\n     * _.flatMap([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMap(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), 1);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDeep([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMapDeep(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), INFINITY);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDepth([1, 2], duplicate, 2);\n     * // => [[1, 1], [2, 2]]\n     */\n    function flatMapDepth(collection, iteratee, depth) {\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(map(collection, iteratee), depth);\n    }\n\n    /**\n     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n     * The iteratee is invoked with three arguments: (value, index|key, collection).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n     * or `_.forOwn` for object iteration.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias each\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEachRight\n     * @example\n     *\n     * _.forEach([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `1` then `2`.\n     *\n     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forEach(collection, iteratee) {\n      var func = isArray(collection) ? arrayEach : baseEach;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forEach` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @alias eachRight\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEach\n     * @example\n     *\n     * _.forEachRight([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `2` then `1`.\n     */\n    function forEachRight(collection, iteratee) {\n      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The order of grouped values\n     * is determined by the order they occur in `collection`. The corresponding\n     * value of each key is an array of elements responsible for generating the\n     * key. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': [4.2], '6': [6.1, 6.3] }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.groupBy(['one', 'two', 'three'], 'length');\n     * // => { '3': ['one', 'two'], '5': ['three'] }\n     */\n    var groupBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        result[key].push(value);\n      } else {\n        baseAssignValue(result, key, [value]);\n      }\n    });\n\n    /**\n     * Checks if `value` is in `collection`. If `collection` is a string, it's\n     * checked for a substring of `value`, otherwise\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n     * the offset from the end of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n     * @example\n     *\n     * _.includes([1, 2, 3], 1);\n     * // => true\n     *\n     * _.includes([1, 2, 3], 1, 2);\n     * // => false\n     *\n     * _.includes({ 'a': 1, 'b': 2 }, 1);\n     * // => true\n     *\n     * _.includes('abcd', 'bc');\n     * // => true\n     */\n    function includes(collection, value, fromIndex, guard) {\n      collection = isArrayLike(collection) ? collection : values(collection);\n      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n      var length = collection.length;\n      if (fromIndex < 0) {\n        fromIndex = nativeMax(length + fromIndex, 0);\n      }\n      return isString(collection)\n        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n    }\n\n    /**\n     * Invokes the method at `path` of each element in `collection`, returning\n     * an array of the results of each invoked method. Any additional arguments\n     * are provided to each invoked method. If `path` is a function, it's invoked\n     * for, and `this` bound to, each element in `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array|Function|string} path The path of the method to invoke or\n     *  the function invoked per iteration.\n     * @param {...*} [args] The arguments to invoke each method with.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n     * // => [[1, 5, 7], [1, 2, 3]]\n     *\n     * _.invokeMap([123, 456], String.prototype.split, '');\n     * // => [['1', '2', '3'], ['4', '5', '6']]\n     */\n    var invokeMap = baseRest(function(collection, path, args) {\n      var index = -1,\n          isFunc = typeof path == 'function',\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value) {\n        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n      });\n      return result;\n    });\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the last element responsible for generating the key. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * var array = [\n     *   { 'dir': 'left', 'code': 97 },\n     *   { 'dir': 'right', 'code': 100 }\n     * ];\n     *\n     * _.keyBy(array, function(o) {\n     *   return String.fromCharCode(o.code);\n     * });\n     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n     *\n     * _.keyBy(array, 'dir');\n     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n     */\n    var keyBy = createAggregator(function(result, value, key) {\n      baseAssignValue(result, key, value);\n    });\n\n    /**\n     * Creates an array of values by running each element in `collection` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n     *\n     * The guarded methods are:\n     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * _.map([4, 8], square);\n     * // => [16, 64]\n     *\n     * _.map({ 'a': 4, 'b': 8 }, square);\n     * // => [16, 64] (iteration order is not guaranteed)\n     *\n     * var users = [\n     *   { 'user': 'barney' },\n     *   { 'user': 'fred' }\n     * ];\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, 'user');\n     * // => ['barney', 'fred']\n     */\n    function map(collection, iteratee) {\n      var func = isArray(collection) ? arrayMap : baseMap;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.sortBy` except that it allows specifying the sort\n     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n     * descending or \"asc\" for ascending sort order of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @param {string[]} [orders] The sort orders of `iteratees`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 34 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 36 }\n     * ];\n     *\n     * // Sort by `user` in ascending order and by `age` in descending order.\n     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     */\n    function orderBy(collection, iteratees, orders, guard) {\n      if (collection == null) {\n        return [];\n      }\n      if (!isArray(iteratees)) {\n        iteratees = iteratees == null ? [] : [iteratees];\n      }\n      orders = guard ? undefined : orders;\n      if (!isArray(orders)) {\n        orders = orders == null ? [] : [orders];\n      }\n      return baseOrderBy(collection, iteratees, orders);\n    }\n\n    /**\n     * Creates an array of elements split into two groups, the first of which\n     * contains elements `predicate` returns truthy for, the second of which\n     * contains elements `predicate` returns falsey for. The predicate is\n     * invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of grouped elements.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': false },\n     *   { 'user': 'fred',    'age': 40, 'active': true },\n     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n     * ];\n     *\n     * _.partition(users, function(o) { return o.active; });\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.partition(users, { 'age': 1, 'active': false });\n     * // => objects for [['pebbles'], ['barney', 'fred']]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.partition(users, ['active', false]);\n     * // => objects for [['barney', 'pebbles'], ['fred']]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.partition(users, 'active');\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     */\n    var partition = createAggregator(function(result, value, key) {\n      result[key ? 0 : 1].push(value);\n    }, function() { return [[], []]; });\n\n    /**\n     * Reduces `collection` to a value which is the accumulated result of running\n     * each element in `collection` thru `iteratee`, where each successive\n     * invocation is supplied the return value of the previous. If `accumulator`\n     * is not given, the first element of `collection` is used as the initial\n     * value. The iteratee is invoked with four arguments:\n     * (accumulator, value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n     *\n     * The guarded methods are:\n     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n     * and `sortBy`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduceRight\n     * @example\n     *\n     * _.reduce([1, 2], function(sum, n) {\n     *   return sum + n;\n     * }, 0);\n     * // => 3\n     *\n     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     *   return result;\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n     */\n    function reduce(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduce : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n    }\n\n    /**\n     * This method is like `_.reduce` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduce\n     * @example\n     *\n     * var array = [[0, 1], [2, 3], [4, 5]];\n     *\n     * _.reduceRight(array, function(flattened, other) {\n     *   return flattened.concat(other);\n     * }, []);\n     * // => [4, 5, 2, 3, 0, 1]\n     */\n    function reduceRight(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n    }\n\n    /**\n     * The opposite of `_.filter`; this method returns the elements of `collection`\n     * that `predicate` does **not** return truthy for.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.filter\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': true }\n     * ];\n     *\n     * _.reject(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.reject(users, { 'age': 40, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.reject(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.reject(users, 'active');\n     * // => objects for ['barney']\n     */\n    function reject(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, negate(getIteratee(predicate, 3)));\n    }\n\n    /**\n     * Gets a random element from `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     * @example\n     *\n     * _.sample([1, 2, 3, 4]);\n     * // => 2\n     */\n    function sample(collection) {\n      var func = isArray(collection) ? arraySample : baseSample;\n      return func(collection);\n    }\n\n    /**\n     * Gets `n` random elements at unique keys from `collection` up to the\n     * size of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} [n=1] The number of elements to sample.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the random elements.\n     * @example\n     *\n     * _.sampleSize([1, 2, 3], 2);\n     * // => [3, 1]\n     *\n     * _.sampleSize([1, 2, 3], 4);\n     * // => [2, 3, 1]\n     */\n    function sampleSize(collection, n, guard) {\n      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n      return func(collection, n);\n    }\n\n    /**\n     * Creates an array of shuffled values, using a version of the\n     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     * @example\n     *\n     * _.shuffle([1, 2, 3, 4]);\n     * // => [4, 1, 3, 2]\n     */\n    function shuffle(collection) {\n      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n      return func(collection);\n    }\n\n    /**\n     * Gets the size of `collection` by returning its length for array-like\n     * values or the number of own enumerable string keyed properties for objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @returns {number} Returns the collection size.\n     * @example\n     *\n     * _.size([1, 2, 3]);\n     * // => 3\n     *\n     * _.size({ 'a': 1, 'b': 2 });\n     * // => 2\n     *\n     * _.size('pebbles');\n     * // => 7\n     */\n    function size(collection) {\n      if (collection == null) {\n        return 0;\n      }\n      if (isArrayLike(collection)) {\n        return isString(collection) ? stringSize(collection) : collection.length;\n      }\n      var tag = getTag(collection);\n      if (tag == mapTag || tag == setTag) {\n        return collection.size;\n      }\n      return baseKeys(collection).length;\n    }\n\n    /**\n     * Checks if `predicate` returns truthy for **any** element of `collection`.\n     * Iteration is stopped once `predicate` returns truthy. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.some([null, 0, 'yes', false], Boolean);\n     * // => true\n     *\n     * var users = [\n     *   { 'user': 'barney', 'active': true },\n     *   { 'user': 'fred',   'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.some(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.some(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.some(users, 'active');\n     * // => true\n     */\n    function some(collection, predicate, guard) {\n      var func = isArray(collection) ? arraySome : baseSome;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Creates an array of elements, sorted in ascending order by the results of\n     * running each element in a collection thru each iteratee. This method\n     * performs a stable sort, that is, it preserves the original sort order of\n     * equal elements. The iteratees are invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 34 }\n     * ];\n     *\n     * _.sortBy(users, [function(o) { return o.user; }]);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     *\n     * _.sortBy(users, ['user', 'age']);\n     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n     */\n    var sortBy = baseRest(function(collection, iteratees) {\n      if (collection == null) {\n        return [];\n      }\n      var length = iteratees.length;\n      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n        iteratees = [];\n      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n        iteratees = [iteratees[0]];\n      }\n      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Gets the timestamp of the number of milliseconds that have elapsed since\n     * the Unix epoch (1 January 1970 00:00:00 UTC).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Date\n     * @returns {number} Returns the timestamp.\n     * @example\n     *\n     * _.defer(function(stamp) {\n     *   console.log(_.now() - stamp);\n     * }, _.now());\n     * // => Logs the number of milliseconds it took for the deferred invocation.\n     */\n    var now = ctxNow || function() {\n      return root.Date.now();\n    };\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The opposite of `_.before`; this method creates a function that invokes\n     * `func` once it's called `n` or more times.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {number} n The number of calls before `func` is invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var saves = ['profile', 'settings'];\n     *\n     * var done = _.after(saves.length, function() {\n     *   console.log('done saving!');\n     * });\n     *\n     * _.forEach(saves, function(type) {\n     *   asyncSave({ 'type': type, 'complete': done });\n     * });\n     * // => Logs 'done saving!' after the two async saves have completed.\n     */\n    function after(n, func) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n < 1) {\n          return func.apply(this, arguments);\n        }\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func`, with up to `n` arguments,\n     * ignoring any additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @param {number} [n=func.length] The arity cap.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n     * // => [6, 8, 10]\n     */\n    function ary(func, n, guard) {\n      n = guard ? undefined : n;\n      n = (func && n == null) ? func.length : n;\n      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n    }\n\n    /**\n     * Creates a function that invokes `func`, with the `this` binding and arguments\n     * of the created function, while it's called less than `n` times. Subsequent\n     * calls to the created function return the result of the last `func` invocation.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {number} n The number of calls at which `func` is no longer invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * jQuery(element).on('click', _.before(5, addContactToList));\n     * // => Allows adding up to 4 contacts to the list.\n     */\n    function before(n, func) {\n      var result;\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n > 0) {\n          result = func.apply(this, arguments);\n        }\n        if (n <= 1) {\n          func = undefined;\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n     * and `partials` prepended to the arguments it receives.\n     *\n     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n     * property of bound functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to bind.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * function greet(greeting, punctuation) {\n     *   return greeting + ' ' + this.user + punctuation;\n     * }\n     *\n     * var object = { 'user': 'fred' };\n     *\n     * var bound = _.bind(greet, object, 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bind(greet, object, _, '!');\n     * bound('hi');\n     * // => 'hi fred!'\n     */\n    var bind = baseRest(function(func, thisArg, partials) {\n      var bitmask = WRAP_BIND_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bind));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(func, bitmask, thisArg, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes the method at `object[key]` with `partials`\n     * prepended to the arguments it receives.\n     *\n     * This method differs from `_.bind` by allowing bound functions to reference\n     * methods that may be redefined or don't yet exist. See\n     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n     * for more details.\n     *\n     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Function\n     * @param {Object} object The object to invoke the method on.\n     * @param {string} key The key of the method.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * var object = {\n     *   'user': 'fred',\n     *   'greet': function(greeting, punctuation) {\n     *     return greeting + ' ' + this.user + punctuation;\n     *   }\n     * };\n     *\n     * var bound = _.bindKey(object, 'greet', 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * object.greet = function(greeting, punctuation) {\n     *   return greeting + 'ya ' + this.user + punctuation;\n     * };\n     *\n     * bound('!');\n     * // => 'hiya fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bindKey(object, 'greet', _, '!');\n     * bound('hi');\n     * // => 'hiya fred!'\n     */\n    var bindKey = baseRest(function(object, key, partials) {\n      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bindKey));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(key, bitmask, object, partials, holders);\n    });\n\n    /**\n     * Creates a function that accepts arguments of `func` and either invokes\n     * `func` returning its result, if at least `arity` number of arguments have\n     * been provided, or returns a function that accepts the remaining `func`\n     * arguments, and so on. The arity of `func` may be specified if `func.length`\n     * is not sufficient.\n     *\n     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curry(abc);\n     *\n     * curried(1)(2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(1)(_, 3)(2);\n     * // => [1, 2, 3]\n     */\n    function curry(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curry.placeholder;\n      return result;\n    }\n\n    /**\n     * This method is like `_.curry` except that arguments are applied to `func`\n     * in the manner of `_.partialRight` instead of `_.partial`.\n     *\n     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curryRight(abc);\n     *\n     * curried(3)(2)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(2, 3)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(3)(1, _)(2);\n     * // => [1, 2, 3]\n     */\n    function curryRight(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curryRight.placeholder;\n      return result;\n    }\n\n    /**\n     * Creates a debounced function that delays invoking `func` until after `wait`\n     * milliseconds have elapsed since the last time the debounced function was\n     * invoked. The debounced function comes with a `cancel` method to cancel\n     * delayed `func` invocations and a `flush` method to immediately invoke them.\n     * Provide `options` to indicate whether `func` should be invoked on the\n     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n     * with the last arguments provided to the debounced function. Subsequent\n     * calls to the debounced function return the result of the last `func`\n     * invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the debounced function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.debounce` and `_.throttle`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to debounce.\n     * @param {number} [wait=0] The number of milliseconds to delay.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=false]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {number} [options.maxWait]\n     *  The maximum time `func` is allowed to be delayed before it's invoked.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new debounced function.\n     * @example\n     *\n     * // Avoid costly calculations while the window size is in flux.\n     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n     *\n     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n     *   'leading': true,\n     *   'trailing': false\n     * }));\n     *\n     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n     * var source = new EventSource('/stream');\n     * jQuery(source).on('message', debounced);\n     *\n     * // Cancel the trailing debounced invocation.\n     * jQuery(window).on('popstate', debounced.cancel);\n     */\n    function debounce(func, wait, options) {\n      var lastArgs,\n          lastThis,\n          maxWait,\n          result,\n          timerId,\n          lastCallTime,\n          lastInvokeTime = 0,\n          leading = false,\n          maxing = false,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      wait = toNumber(wait) || 0;\n      if (isObject(options)) {\n        leading = !!options.leading;\n        maxing = 'maxWait' in options;\n        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n\n      function invokeFunc(time) {\n        var args = lastArgs,\n            thisArg = lastThis;\n\n        lastArgs = lastThis = undefined;\n        lastInvokeTime = time;\n        result = func.apply(thisArg, args);\n        return result;\n      }\n\n      function leadingEdge(time) {\n        // Reset any `maxWait` timer.\n        lastInvokeTime = time;\n        // Start the timer for the trailing edge.\n        timerId = setTimeout(timerExpired, wait);\n        // Invoke the leading edge.\n        return leading ? invokeFunc(time) : result;\n      }\n\n      function remainingWait(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime,\n            result = wait - timeSinceLastCall;\n\n        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n      }\n\n      function shouldInvoke(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime;\n\n        // Either this is the first call, activity has stopped and we're at the\n        // trailing edge, the system time has gone backwards and we're treating\n        // it as the trailing edge, or we've hit the `maxWait` limit.\n        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n      }\n\n      function timerExpired() {\n        var time = now();\n        if (shouldInvoke(time)) {\n          return trailingEdge(time);\n        }\n        // Restart the timer.\n        timerId = setTimeout(timerExpired, remainingWait(time));\n      }\n\n      function trailingEdge(time) {\n        timerId = undefined;\n\n        // Only invoke if we have `lastArgs` which means `func` has been\n        // debounced at least once.\n        if (trailing && lastArgs) {\n          return invokeFunc(time);\n        }\n        lastArgs = lastThis = undefined;\n        return result;\n      }\n\n      function cancel() {\n        if (timerId !== undefined) {\n          clearTimeout(timerId);\n        }\n        lastInvokeTime = 0;\n        lastArgs = lastCallTime = lastThis = timerId = undefined;\n      }\n\n      function flush() {\n        return timerId === undefined ? result : trailingEdge(now());\n      }\n\n      function debounced() {\n        var time = now(),\n            isInvoking = shouldInvoke(time);\n\n        lastArgs = arguments;\n        lastThis = this;\n        lastCallTime = time;\n\n        if (isInvoking) {\n          if (timerId === undefined) {\n            return leadingEdge(lastCallTime);\n          }\n          if (maxing) {\n            // Handle invocations in a tight loop.\n            timerId = setTimeout(timerExpired, wait);\n            return invokeFunc(lastCallTime);\n          }\n        }\n        if (timerId === undefined) {\n          timerId = setTimeout(timerExpired, wait);\n        }\n        return result;\n      }\n      debounced.cancel = cancel;\n      debounced.flush = flush;\n      return debounced;\n    }\n\n    /**\n     * Defers invoking the `func` until the current call stack has cleared. Any\n     * additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to defer.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.defer(function(text) {\n     *   console.log(text);\n     * }, 'deferred');\n     * // => Logs 'deferred' after one millisecond.\n     */\n    var defer = baseRest(function(func, args) {\n      return baseDelay(func, 1, args);\n    });\n\n    /**\n     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n     * provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.delay(function(text) {\n     *   console.log(text);\n     * }, 1000, 'later');\n     * // => Logs 'later' after one second.\n     */\n    var delay = baseRest(function(func, wait, args) {\n      return baseDelay(func, toNumber(wait) || 0, args);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments reversed.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to flip arguments for.\n     * @returns {Function} Returns the new flipped function.\n     * @example\n     *\n     * var flipped = _.flip(function() {\n     *   return _.toArray(arguments);\n     * });\n     *\n     * flipped('a', 'b', 'c', 'd');\n     * // => ['d', 'c', 'b', 'a']\n     */\n    function flip(func) {\n      return createWrap(func, WRAP_FLIP_FLAG);\n    }\n\n    /**\n     * Creates a function that memoizes the result of `func`. If `resolver` is\n     * provided, it determines the cache key for storing the result based on the\n     * arguments provided to the memoized function. By default, the first argument\n     * provided to the memoized function is used as the map cache key. The `func`\n     * is invoked with the `this` binding of the memoized function.\n     *\n     * **Note:** The cache is exposed as the `cache` property on the memoized\n     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n     * constructor with one whose instances implement the\n     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to have its output memoized.\n     * @param {Function} [resolver] The function to resolve the cache key.\n     * @returns {Function} Returns the new memoized function.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     * var other = { 'c': 3, 'd': 4 };\n     *\n     * var values = _.memoize(_.values);\n     * values(object);\n     * // => [1, 2]\n     *\n     * values(other);\n     * // => [3, 4]\n     *\n     * object.a = 2;\n     * values(object);\n     * // => [1, 2]\n     *\n     * // Modify the result cache.\n     * values.cache.set(object, ['a', 'b']);\n     * values(object);\n     * // => ['a', 'b']\n     *\n     * // Replace `_.memoize.Cache`.\n     * _.memoize.Cache = WeakMap;\n     */\n    function memoize(func, resolver) {\n      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var memoized = function() {\n        var args = arguments,\n            key = resolver ? resolver.apply(this, args) : args[0],\n            cache = memoized.cache;\n\n        if (cache.has(key)) {\n          return cache.get(key);\n        }\n        var result = func.apply(this, args);\n        memoized.cache = cache.set(key, result) || cache;\n        return result;\n      };\n      memoized.cache = new (memoize.Cache || MapCache);\n      return memoized;\n    }\n\n    // Expose `MapCache`.\n    memoize.Cache = MapCache;\n\n    /**\n     * Creates a function that negates the result of the predicate `func`. The\n     * `func` predicate is invoked with the `this` binding and arguments of the\n     * created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} predicate The predicate to negate.\n     * @returns {Function} Returns the new negated function.\n     * @example\n     *\n     * function isEven(n) {\n     *   return n % 2 == 0;\n     * }\n     *\n     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n     * // => [1, 3, 5]\n     */\n    function negate(predicate) {\n      if (typeof predicate != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return function() {\n        var args = arguments;\n        switch (args.length) {\n          case 0: return !predicate.call(this);\n          case 1: return !predicate.call(this, args[0]);\n          case 2: return !predicate.call(this, args[0], args[1]);\n          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n        }\n        return !predicate.apply(this, args);\n      };\n    }\n\n    /**\n     * Creates a function that is restricted to invoking `func` once. Repeat calls\n     * to the function return the value of the first invocation. The `func` is\n     * invoked with the `this` binding and arguments of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var initialize = _.once(createApplication);\n     * initialize();\n     * initialize();\n     * // => `createApplication` is invoked once\n     */\n    function once(func) {\n      return before(2, func);\n    }\n\n    /**\n     * Creates a function that invokes `func` with its arguments transformed.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to wrap.\n     * @param {...(Function|Function[])} [transforms=[_.identity]]\n     *  The argument transforms.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * function doubled(n) {\n     *   return n * 2;\n     * }\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var func = _.overArgs(function(x, y) {\n     *   return [x, y];\n     * }, [square, doubled]);\n     *\n     * func(9, 3);\n     * // => [81, 6]\n     *\n     * func(10, 5);\n     * // => [100, 10]\n     */\n    var overArgs = castRest(function(func, transforms) {\n      transforms = (transforms.length == 1 && isArray(transforms[0]))\n        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n      var funcsLength = transforms.length;\n      return baseRest(function(args) {\n        var index = -1,\n            length = nativeMin(args.length, funcsLength);\n\n        while (++index < length) {\n          args[index] = transforms[index].call(this, args[index]);\n        }\n        return apply(func, this, args);\n      });\n    });\n\n    /**\n     * Creates a function that invokes `func` with `partials` prepended to the\n     * arguments it receives. This method is like `_.bind` except it does **not**\n     * alter the `this` binding.\n     *\n     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.2.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var sayHelloTo = _.partial(greet, 'hello');\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     *\n     * // Partially applied with placeholders.\n     * var greetFred = _.partial(greet, _, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     */\n    var partial = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partial));\n      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * This method is like `_.partial` except that partially applied arguments\n     * are appended to the arguments it receives.\n     *\n     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var greetFred = _.partialRight(greet, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     *\n     * // Partially applied with placeholders.\n     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     */\n    var partialRight = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partialRight));\n      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments arranged according\n     * to the specified `indexes` where the argument value at the first index is\n     * provided as the first argument, the argument value at the second index is\n     * provided as the second argument, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to rearrange arguments for.\n     * @param {...(number|number[])} indexes The arranged argument indexes.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var rearged = _.rearg(function(a, b, c) {\n     *   return [a, b, c];\n     * }, [2, 0, 1]);\n     *\n     * rearged('b', 'c', 'a')\n     * // => ['a', 'b', 'c']\n     */\n    var rearg = flatRest(function(func, indexes) {\n      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n    });\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * created function and arguments from `start` and beyond provided as\n     * an array.\n     *\n     * **Note:** This method is based on the\n     * [rest parameter](https://mdn.io/rest_parameters).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.rest(function(what, names) {\n     *   return what + ' ' + _.initial(names).join(', ') +\n     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n     * });\n     *\n     * say('hello', 'fred', 'barney', 'pebbles');\n     * // => 'hello fred, barney, & pebbles'\n     */\n    function rest(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start === undefined ? start : toInteger(start);\n      return baseRest(func, start);\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * create function and an array of arguments much like\n     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n     *\n     * **Note:** This method is based on the\n     * [spread operator](https://mdn.io/spread_operator).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Function\n     * @param {Function} func The function to spread arguments over.\n     * @param {number} [start=0] The start position of the spread.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.spread(function(who, what) {\n     *   return who + ' says ' + what;\n     * });\n     *\n     * say(['fred', 'hello']);\n     * // => 'fred says hello'\n     *\n     * var numbers = Promise.all([\n     *   Promise.resolve(40),\n     *   Promise.resolve(36)\n     * ]);\n     *\n     * numbers.then(_.spread(function(x, y) {\n     *   return x + y;\n     * }));\n     * // => a Promise of 76\n     */\n    function spread(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n      return baseRest(function(args) {\n        var array = args[start],\n            otherArgs = castSlice(args, 0, start);\n\n        if (array) {\n          arrayPush(otherArgs, array);\n        }\n        return apply(func, this, otherArgs);\n      });\n    }\n\n    /**\n     * Creates a throttled function that only invokes `func` at most once per\n     * every `wait` milliseconds. The throttled function comes with a `cancel`\n     * method to cancel delayed `func` invocations and a `flush` method to\n     * immediately invoke them. Provide `options` to indicate whether `func`\n     * should be invoked on the leading and/or trailing edge of the `wait`\n     * timeout. The `func` is invoked with the last arguments provided to the\n     * throttled function. Subsequent calls to the throttled function return the\n     * result of the last `func` invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the throttled function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.throttle` and `_.debounce`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to throttle.\n     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=true]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new throttled function.\n     * @example\n     *\n     * // Avoid excessively updating the position while scrolling.\n     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n     *\n     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n     * jQuery(element).on('click', throttled);\n     *\n     * // Cancel the trailing throttled invocation.\n     * jQuery(window).on('popstate', throttled.cancel);\n     */\n    function throttle(func, wait, options) {\n      var leading = true,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      if (isObject(options)) {\n        leading = 'leading' in options ? !!options.leading : leading;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n      return debounce(func, wait, {\n        'leading': leading,\n        'maxWait': wait,\n        'trailing': trailing\n      });\n    }\n\n    /**\n     * Creates a function that accepts up to one argument, ignoring any\n     * additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.unary(parseInt));\n     * // => [6, 8, 10]\n     */\n    function unary(func) {\n      return ary(func, 1);\n    }\n\n    /**\n     * Creates a function that provides `value` to `wrapper` as its first\n     * argument. Any additional arguments provided to the function are appended\n     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n     * binding of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {*} value The value to wrap.\n     * @param {Function} [wrapper=identity] The wrapper function.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var p = _.wrap(_.escape, function(func, text) {\n     *   return '<p>' + func(text) + '</p>';\n     * });\n     *\n     * p('fred, barney, & pebbles');\n     * // => '<p>fred, barney, &amp; pebbles</p>'\n     */\n    function wrap(value, wrapper) {\n      return partial(castFunction(wrapper), value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Casts `value` as an array if it's not one.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Lang\n     * @param {*} value The value to inspect.\n     * @returns {Array} Returns the cast array.\n     * @example\n     *\n     * _.castArray(1);\n     * // => [1]\n     *\n     * _.castArray({ 'a': 1 });\n     * // => [{ 'a': 1 }]\n     *\n     * _.castArray('abc');\n     * // => ['abc']\n     *\n     * _.castArray(null);\n     * // => [null]\n     *\n     * _.castArray(undefined);\n     * // => [undefined]\n     *\n     * _.castArray();\n     * // => []\n     *\n     * var array = [1, 2, 3];\n     * console.log(_.castArray(array) === array);\n     * // => true\n     */\n    function castArray() {\n      if (!arguments.length) {\n        return [];\n      }\n      var value = arguments[0];\n      return isArray(value) ? value : [value];\n    }\n\n    /**\n     * Creates a shallow clone of `value`.\n     *\n     * **Note:** This method is loosely based on the\n     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n     * arrays. The own enumerable properties of `arguments` objects are cloned\n     * as plain objects. An empty object is returned for uncloneable values such\n     * as error objects, functions, DOM nodes, and WeakMaps.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeep\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var shallow = _.clone(objects);\n     * console.log(shallow[0] === objects[0]);\n     * // => true\n     */\n    function clone(value) {\n      return baseClone(value, CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.clone` except that it accepts `customizer` which\n     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n     * cloning is handled by the method instead. The `customizer` is invoked with\n     * up to four arguments; (value [, index|key, object, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeepWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(false);\n     *   }\n     * }\n     *\n     * var el = _.cloneWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 0\n     */\n    function cloneWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * This method is like `_.clone` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.clone\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var deep = _.cloneDeep(objects);\n     * console.log(deep[0] === objects[0]);\n     * // => false\n     */\n    function cloneDeep(value) {\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.cloneWith` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.cloneWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(true);\n     *   }\n     * }\n     *\n     * var el = _.cloneDeepWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 20\n     */\n    function cloneDeepWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * Checks if `object` conforms to `source` by invoking the predicate\n     * properties of `source` with the corresponding property values of `object`.\n     *\n     * **Note:** This method is equivalent to `_.conforms` when `source` is\n     * partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n     * // => true\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n     * // => false\n     */\n    function conformsTo(object, source) {\n      return source == null || baseConformsTo(object, source, keys(source));\n    }\n\n    /**\n     * Performs a\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * comparison between two values to determine if they are equivalent.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.eq(object, object);\n     * // => true\n     *\n     * _.eq(object, other);\n     * // => false\n     *\n     * _.eq('a', 'a');\n     * // => true\n     *\n     * _.eq('a', Object('a'));\n     * // => false\n     *\n     * _.eq(NaN, NaN);\n     * // => true\n     */\n    function eq(value, other) {\n      return value === other || (value !== value && other !== other);\n    }\n\n    /**\n     * Checks if `value` is greater than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     * @see _.lt\n     * @example\n     *\n     * _.gt(3, 1);\n     * // => true\n     *\n     * _.gt(3, 3);\n     * // => false\n     *\n     * _.gt(1, 3);\n     * // => false\n     */\n    var gt = createRelationalOperation(baseGt);\n\n    /**\n     * Checks if `value` is greater than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n     *  `other`, else `false`.\n     * @see _.lte\n     * @example\n     *\n     * _.gte(3, 1);\n     * // => true\n     *\n     * _.gte(3, 3);\n     * // => true\n     *\n     * _.gte(1, 3);\n     * // => false\n     */\n    var gte = createRelationalOperation(function(value, other) {\n      return value >= other;\n    });\n\n    /**\n     * Checks if `value` is likely an `arguments` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArguments(function() { return arguments; }());\n     * // => true\n     *\n     * _.isArguments([1, 2, 3]);\n     * // => false\n     */\n    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n        !propertyIsEnumerable.call(value, 'callee');\n    };\n\n    /**\n     * Checks if `value` is classified as an `Array` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n     * @example\n     *\n     * _.isArray([1, 2, 3]);\n     * // => true\n     *\n     * _.isArray(document.body.children);\n     * // => false\n     *\n     * _.isArray('abc');\n     * // => false\n     *\n     * _.isArray(_.noop);\n     * // => false\n     */\n    var isArray = Array.isArray;\n\n    /**\n     * Checks if `value` is classified as an `ArrayBuffer` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     * @example\n     *\n     * _.isArrayBuffer(new ArrayBuffer(2));\n     * // => true\n     *\n     * _.isArrayBuffer(new Array(2));\n     * // => false\n     */\n    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n    /**\n     * Checks if `value` is array-like. A value is considered array-like if it's\n     * not a function and has a `value.length` that's an integer greater than or\n     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n     * @example\n     *\n     * _.isArrayLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLike(document.body.children);\n     * // => true\n     *\n     * _.isArrayLike('abc');\n     * // => true\n     *\n     * _.isArrayLike(_.noop);\n     * // => false\n     */\n    function isArrayLike(value) {\n      return value != null && isLength(value.length) && !isFunction(value);\n    }\n\n    /**\n     * This method is like `_.isArrayLike` except that it also checks if `value`\n     * is an object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array-like object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArrayLikeObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLikeObject(document.body.children);\n     * // => true\n     *\n     * _.isArrayLikeObject('abc');\n     * // => false\n     *\n     * _.isArrayLikeObject(_.noop);\n     * // => false\n     */\n    function isArrayLikeObject(value) {\n      return isObjectLike(value) && isArrayLike(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a boolean primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n     * @example\n     *\n     * _.isBoolean(false);\n     * // => true\n     *\n     * _.isBoolean(null);\n     * // => false\n     */\n    function isBoolean(value) {\n      return value === true || value === false ||\n        (isObjectLike(value) && baseGetTag(value) == boolTag);\n    }\n\n    /**\n     * Checks if `value` is a buffer.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n     * @example\n     *\n     * _.isBuffer(new Buffer(2));\n     * // => true\n     *\n     * _.isBuffer(new Uint8Array(2));\n     * // => false\n     */\n    var isBuffer = nativeIsBuffer || stubFalse;\n\n    /**\n     * Checks if `value` is classified as a `Date` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     * @example\n     *\n     * _.isDate(new Date);\n     * // => true\n     *\n     * _.isDate('Mon April 23 2012');\n     * // => false\n     */\n    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n    /**\n     * Checks if `value` is likely a DOM element.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n     * @example\n     *\n     * _.isElement(document.body);\n     * // => true\n     *\n     * _.isElement('<body>');\n     * // => false\n     */\n    function isElement(value) {\n      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n    }\n\n    /**\n     * Checks if `value` is an empty object, collection, map, or set.\n     *\n     * Objects are considered empty if they have no own enumerable string keyed\n     * properties.\n     *\n     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n     * jQuery-like collections are considered empty if they have a `length` of `0`.\n     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n     * @example\n     *\n     * _.isEmpty(null);\n     * // => true\n     *\n     * _.isEmpty(true);\n     * // => true\n     *\n     * _.isEmpty(1);\n     * // => true\n     *\n     * _.isEmpty([1, 2, 3]);\n     * // => false\n     *\n     * _.isEmpty({ 'a': 1 });\n     * // => false\n     */\n    function isEmpty(value) {\n      if (value == null) {\n        return true;\n      }\n      if (isArrayLike(value) &&\n          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n        return !value.length;\n      }\n      var tag = getTag(value);\n      if (tag == mapTag || tag == setTag) {\n        return !value.size;\n      }\n      if (isPrototype(value)) {\n        return !baseKeys(value).length;\n      }\n      for (var key in value) {\n        if (hasOwnProperty.call(value, key)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * Performs a deep comparison between two values to determine if they are\n     * equivalent.\n     *\n     * **Note:** This method supports comparing arrays, array buffers, booleans,\n     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n     * by their own, not inherited, enumerable properties. Functions and DOM\n     * nodes are compared by strict equality, i.e. `===`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.isEqual(object, other);\n     * // => true\n     *\n     * object === other;\n     * // => false\n     */\n    function isEqual(value, other) {\n      return baseIsEqual(value, other);\n    }\n\n    /**\n     * This method is like `_.isEqual` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with up to\n     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, othValue) {\n     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var array = ['hello', 'goodbye'];\n     * var other = ['hi', 'goodbye'];\n     *\n     * _.isEqualWith(array, other, customizer);\n     * // => true\n     */\n    function isEqualWith(value, other, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      var result = customizer ? customizer(value, other) : undefined;\n      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n    }\n\n    /**\n     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n     * `SyntaxError`, `TypeError`, or `URIError` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n     * @example\n     *\n     * _.isError(new Error);\n     * // => true\n     *\n     * _.isError(Error);\n     * // => false\n     */\n    function isError(value) {\n      if (!isObjectLike(value)) {\n        return false;\n      }\n      var tag = baseGetTag(value);\n      return tag == errorTag || tag == domExcTag ||\n        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n    }\n\n    /**\n     * Checks if `value` is a finite primitive number.\n     *\n     * **Note:** This method is based on\n     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n     * @example\n     *\n     * _.isFinite(3);\n     * // => true\n     *\n     * _.isFinite(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isFinite(Infinity);\n     * // => false\n     *\n     * _.isFinite('3');\n     * // => false\n     */\n    function isFinite(value) {\n      return typeof value == 'number' && nativeIsFinite(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Function` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n     * @example\n     *\n     * _.isFunction(_);\n     * // => true\n     *\n     * _.isFunction(/abc/);\n     * // => false\n     */\n    function isFunction(value) {\n      if (!isObject(value)) {\n        return false;\n      }\n      // The use of `Object#toString` avoids issues with the `typeof` operator\n      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n      var tag = baseGetTag(value);\n      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n    }\n\n    /**\n     * Checks if `value` is an integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n     * @example\n     *\n     * _.isInteger(3);\n     * // => true\n     *\n     * _.isInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isInteger(Infinity);\n     * // => false\n     *\n     * _.isInteger('3');\n     * // => false\n     */\n    function isInteger(value) {\n      return typeof value == 'number' && value == toInteger(value);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like length.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n     * @example\n     *\n     * _.isLength(3);\n     * // => true\n     *\n     * _.isLength(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isLength(Infinity);\n     * // => false\n     *\n     * _.isLength('3');\n     * // => false\n     */\n    function isLength(value) {\n      return typeof value == 'number' &&\n        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is the\n     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n     * @example\n     *\n     * _.isObject({});\n     * // => true\n     *\n     * _.isObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isObject(_.noop);\n     * // => true\n     *\n     * _.isObject(null);\n     * // => false\n     */\n    function isObject(value) {\n      var type = typeof value;\n      return value != null && (type == 'object' || type == 'function');\n    }\n\n    /**\n     * Checks if `value` is object-like. A value is object-like if it's not `null`\n     * and has a `typeof` result of \"object\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n     * @example\n     *\n     * _.isObjectLike({});\n     * // => true\n     *\n     * _.isObjectLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isObjectLike(_.noop);\n     * // => false\n     *\n     * _.isObjectLike(null);\n     * // => false\n     */\n    function isObjectLike(value) {\n      return value != null && typeof value == 'object';\n    }\n\n    /**\n     * Checks if `value` is classified as a `Map` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     * @example\n     *\n     * _.isMap(new Map);\n     * // => true\n     *\n     * _.isMap(new WeakMap);\n     * // => false\n     */\n    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n    /**\n     * Performs a partial deep comparison between `object` and `source` to\n     * determine if `object` contains equivalent property values.\n     *\n     * **Note:** This method is equivalent to `_.matches` when `source` is\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.isMatch(object, { 'b': 2 });\n     * // => true\n     *\n     * _.isMatch(object, { 'b': 1 });\n     * // => false\n     */\n    function isMatch(object, source) {\n      return object === source || baseIsMatch(object, source, getMatchData(source));\n    }\n\n    /**\n     * This method is like `_.isMatch` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with five\n     * arguments: (objValue, srcValue, index|key, object, source).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var object = { 'greeting': 'hello' };\n     * var source = { 'greeting': 'hi' };\n     *\n     * _.isMatchWith(object, source, customizer);\n     * // => true\n     */\n    function isMatchWith(object, source, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseIsMatch(object, source, getMatchData(source), customizer);\n    }\n\n    /**\n     * Checks if `value` is `NaN`.\n     *\n     * **Note:** This method is based on\n     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n     * `undefined` and other non-number values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n     * @example\n     *\n     * _.isNaN(NaN);\n     * // => true\n     *\n     * _.isNaN(new Number(NaN));\n     * // => true\n     *\n     * isNaN(undefined);\n     * // => true\n     *\n     * _.isNaN(undefined);\n     * // => false\n     */\n    function isNaN(value) {\n      // An `NaN` primitive is the only value that is not equal to itself.\n      // Perform the `toStringTag` check first to avoid errors with some\n      // ActiveX objects in IE.\n      return isNumber(value) && value != +value;\n    }\n\n    /**\n     * Checks if `value` is a pristine native function.\n     *\n     * **Note:** This method can't reliably detect native functions in the presence\n     * of the core-js package because core-js circumvents this kind of detection.\n     * Despite multiple requests, the core-js maintainer has made it clear: any\n     * attempt to fix the detection will be obstructed. As a result, we're left\n     * with little choice but to throw an error. Unfortunately, this also affects\n     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n     * which rely on core-js.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     * @example\n     *\n     * _.isNative(Array.prototype.push);\n     * // => true\n     *\n     * _.isNative(_);\n     * // => false\n     */\n    function isNative(value) {\n      if (isMaskable(value)) {\n        throw new Error(CORE_ERROR_TEXT);\n      }\n      return baseIsNative(value);\n    }\n\n    /**\n     * Checks if `value` is `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n     * @example\n     *\n     * _.isNull(null);\n     * // => true\n     *\n     * _.isNull(void 0);\n     * // => false\n     */\n    function isNull(value) {\n      return value === null;\n    }\n\n    /**\n     * Checks if `value` is `null` or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n     * @example\n     *\n     * _.isNil(null);\n     * // => true\n     *\n     * _.isNil(void 0);\n     * // => true\n     *\n     * _.isNil(NaN);\n     * // => false\n     */\n    function isNil(value) {\n      return value == null;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Number` primitive or object.\n     *\n     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n     * classified as numbers, use the `_.isFinite` method.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n     * @example\n     *\n     * _.isNumber(3);\n     * // => true\n     *\n     * _.isNumber(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isNumber(Infinity);\n     * // => true\n     *\n     * _.isNumber('3');\n     * // => false\n     */\n    function isNumber(value) {\n      return typeof value == 'number' ||\n        (isObjectLike(value) && baseGetTag(value) == numberTag);\n    }\n\n    /**\n     * Checks if `value` is a plain object, that is, an object created by the\n     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.8.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * _.isPlainObject(new Foo);\n     * // => false\n     *\n     * _.isPlainObject([1, 2, 3]);\n     * // => false\n     *\n     * _.isPlainObject({ 'x': 0, 'y': 0 });\n     * // => true\n     *\n     * _.isPlainObject(Object.create(null));\n     * // => true\n     */\n    function isPlainObject(value) {\n      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n        return false;\n      }\n      var proto = getPrototype(value);\n      if (proto === null) {\n        return true;\n      }\n      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n        funcToString.call(Ctor) == objectCtorString;\n    }\n\n    /**\n     * Checks if `value` is classified as a `RegExp` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     * @example\n     *\n     * _.isRegExp(/abc/);\n     * // => true\n     *\n     * _.isRegExp('/abc/');\n     * // => false\n     */\n    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n    /**\n     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n     * double precision number which isn't the result of a rounded unsafe integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n     * @example\n     *\n     * _.isSafeInteger(3);\n     * // => true\n     *\n     * _.isSafeInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isSafeInteger(Infinity);\n     * // => false\n     *\n     * _.isSafeInteger('3');\n     * // => false\n     */\n    function isSafeInteger(value) {\n      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Set` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     * @example\n     *\n     * _.isSet(new Set);\n     * // => true\n     *\n     * _.isSet(new WeakSet);\n     * // => false\n     */\n    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n    /**\n     * Checks if `value` is classified as a `String` primitive or object.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n     * @example\n     *\n     * _.isString('abc');\n     * // => true\n     *\n     * _.isString(1);\n     * // => false\n     */\n    function isString(value) {\n      return typeof value == 'string' ||\n        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Symbol` primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n     * @example\n     *\n     * _.isSymbol(Symbol.iterator);\n     * // => true\n     *\n     * _.isSymbol('abc');\n     * // => false\n     */\n    function isSymbol(value) {\n      return typeof value == 'symbol' ||\n        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a typed array.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     * @example\n     *\n     * _.isTypedArray(new Uint8Array);\n     * // => true\n     *\n     * _.isTypedArray([]);\n     * // => false\n     */\n    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n    /**\n     * Checks if `value` is `undefined`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n     * @example\n     *\n     * _.isUndefined(void 0);\n     * // => true\n     *\n     * _.isUndefined(null);\n     * // => false\n     */\n    function isUndefined(value) {\n      return value === undefined;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakMap` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n     * @example\n     *\n     * _.isWeakMap(new WeakMap);\n     * // => true\n     *\n     * _.isWeakMap(new Map);\n     * // => false\n     */\n    function isWeakMap(value) {\n      return isObjectLike(value) && getTag(value) == weakMapTag;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakSet` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n     * @example\n     *\n     * _.isWeakSet(new WeakSet);\n     * // => true\n     *\n     * _.isWeakSet(new Set);\n     * // => false\n     */\n    function isWeakSet(value) {\n      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n    }\n\n    /**\n     * Checks if `value` is less than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     * @see _.gt\n     * @example\n     *\n     * _.lt(1, 3);\n     * // => true\n     *\n     * _.lt(3, 3);\n     * // => false\n     *\n     * _.lt(3, 1);\n     * // => false\n     */\n    var lt = createRelationalOperation(baseLt);\n\n    /**\n     * Checks if `value` is less than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than or equal to\n     *  `other`, else `false`.\n     * @see _.gte\n     * @example\n     *\n     * _.lte(1, 3);\n     * // => true\n     *\n     * _.lte(3, 3);\n     * // => true\n     *\n     * _.lte(3, 1);\n     * // => false\n     */\n    var lte = createRelationalOperation(function(value, other) {\n      return value <= other;\n    });\n\n    /**\n     * Converts `value` to an array.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the converted array.\n     * @example\n     *\n     * _.toArray({ 'a': 1, 'b': 2 });\n     * // => [1, 2]\n     *\n     * _.toArray('abc');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toArray(1);\n     * // => []\n     *\n     * _.toArray(null);\n     * // => []\n     */\n    function toArray(value) {\n      if (!value) {\n        return [];\n      }\n      if (isArrayLike(value)) {\n        return isString(value) ? stringToArray(value) : copyArray(value);\n      }\n      if (symIterator && value[symIterator]) {\n        return iteratorToArray(value[symIterator]());\n      }\n      var tag = getTag(value),\n          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n      return func(value);\n    }\n\n    /**\n     * Converts `value` to a finite number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.12.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted number.\n     * @example\n     *\n     * _.toFinite(3.2);\n     * // => 3.2\n     *\n     * _.toFinite(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toFinite(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toFinite('3.2');\n     * // => 3.2\n     */\n    function toFinite(value) {\n      if (!value) {\n        return value === 0 ? value : 0;\n      }\n      value = toNumber(value);\n      if (value === INFINITY || value === -INFINITY) {\n        var sign = (value < 0 ? -1 : 1);\n        return sign * MAX_INTEGER;\n      }\n      return value === value ? value : 0;\n    }\n\n    /**\n     * Converts `value` to an integer.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toInteger(3.2);\n     * // => 3\n     *\n     * _.toInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toInteger(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toInteger('3.2');\n     * // => 3\n     */\n    function toInteger(value) {\n      var result = toFinite(value),\n          remainder = result % 1;\n\n      return result === result ? (remainder ? result - remainder : result) : 0;\n    }\n\n    /**\n     * Converts `value` to an integer suitable for use as the length of an\n     * array-like object.\n     *\n     * **Note:** This method is based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toLength(3.2);\n     * // => 3\n     *\n     * _.toLength(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toLength(Infinity);\n     * // => 4294967295\n     *\n     * _.toLength('3.2');\n     * // => 3\n     */\n    function toLength(value) {\n      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n    }\n\n    /**\n     * Converts `value` to a number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     * @example\n     *\n     * _.toNumber(3.2);\n     * // => 3.2\n     *\n     * _.toNumber(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toNumber(Infinity);\n     * // => Infinity\n     *\n     * _.toNumber('3.2');\n     * // => 3.2\n     */\n    function toNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      if (isObject(value)) {\n        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n        value = isObject(other) ? (other + '') : other;\n      }\n      if (typeof value != 'string') {\n        return value === 0 ? value : +value;\n      }\n      value = value.replace(reTrim, '');\n      var isBinary = reIsBinary.test(value);\n      return (isBinary || reIsOctal.test(value))\n        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n        : (reIsBadHex.test(value) ? NAN : +value);\n    }\n\n    /**\n     * Converts `value` to a plain object flattening inherited enumerable string\n     * keyed properties of `value` to own properties of the plain object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Object} Returns the converted plain object.\n     * @example\n     *\n     * function Foo() {\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.assign({ 'a': 1 }, new Foo);\n     * // => { 'a': 1, 'b': 2 }\n     *\n     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n     * // => { 'a': 1, 'b': 2, 'c': 3 }\n     */\n    function toPlainObject(value) {\n      return copyObject(value, keysIn(value));\n    }\n\n    /**\n     * Converts `value` to a safe integer. A safe integer can be compared and\n     * represented correctly.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toSafeInteger(3.2);\n     * // => 3\n     *\n     * _.toSafeInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toSafeInteger(Infinity);\n     * // => 9007199254740991\n     *\n     * _.toSafeInteger('3.2');\n     * // => 3\n     */\n    function toSafeInteger(value) {\n      return value\n        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n        : (value === 0 ? value : 0);\n    }\n\n    /**\n     * Converts `value` to a string. An empty string is returned for `null`\n     * and `undefined` values. The sign of `-0` is preserved.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.toString(null);\n     * // => ''\n     *\n     * _.toString(-0);\n     * // => '-0'\n     *\n     * _.toString([1, 2, 3]);\n     * // => '1,2,3'\n     */\n    function toString(value) {\n      return value == null ? '' : baseToString(value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Assigns own enumerable string keyed properties of source objects to the\n     * destination object. Source objects are applied from left to right.\n     * Subsequent sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object` and is loosely based on\n     * [`Object.assign`](https://mdn.io/Object/assign).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assignIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assign({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var assign = createAssigner(function(object, source) {\n      if (isPrototype(source) || isArrayLike(source)) {\n        copyObject(source, keys(source), object);\n        return;\n      }\n      for (var key in source) {\n        if (hasOwnProperty.call(source, key)) {\n          assignValue(object, key, source[key]);\n        }\n      }\n    });\n\n    /**\n     * This method is like `_.assign` except that it iterates over own and\n     * inherited source properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extend\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assign\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n     */\n    var assignIn = createAssigner(function(object, source) {\n      copyObject(source, keysIn(source), object);\n    });\n\n    /**\n     * This method is like `_.assignIn` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extendWith\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignInWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keysIn(source), object, customizer);\n    });\n\n    /**\n     * This method is like `_.assign` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignInWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keys(source), object, customizer);\n    });\n\n    /**\n     * Creates an array of values corresponding to `paths` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Array} Returns the picked values.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _.at(object, ['a[0].b.c', 'a[1]']);\n     * // => [3, 4]\n     */\n    var at = flatRest(baseAt);\n\n    /**\n     * Creates an object that inherits from the `prototype` object. If a\n     * `properties` object is given, its own enumerable string keyed properties\n     * are assigned to the created object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Object\n     * @param {Object} prototype The object to inherit from.\n     * @param {Object} [properties] The properties to assign to the object.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * function Shape() {\n     *   this.x = 0;\n     *   this.y = 0;\n     * }\n     *\n     * function Circle() {\n     *   Shape.call(this);\n     * }\n     *\n     * Circle.prototype = _.create(Shape.prototype, {\n     *   'constructor': Circle\n     * });\n     *\n     * var circle = new Circle;\n     * circle instanceof Circle;\n     * // => true\n     *\n     * circle instanceof Shape;\n     * // => true\n     */\n    function create(prototype, properties) {\n      var result = baseCreate(prototype);\n      return properties == null ? result : baseAssign(result, properties);\n    }\n\n    /**\n     * Assigns own and inherited enumerable string keyed properties of source\n     * objects to the destination object for all destination properties that\n     * resolve to `undefined`. Source objects are applied from left to right.\n     * Once a property is set, additional values of the same property are ignored.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaultsDeep\n     * @example\n     *\n     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var defaults = baseRest(function(args) {\n      args.push(undefined, customDefaultsAssignIn);\n      return apply(assignInWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.defaults` except that it recursively assigns\n     * default properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaults\n     * @example\n     *\n     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n     * // => { 'a': { 'b': 2, 'c': 3 } }\n     */\n    var defaultsDeep = baseRest(function(args) {\n      args.push(undefined, customDefaultsMerge);\n      return apply(mergeWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.find` except that it returns the key of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findKey(users, function(o) { return o.age < 40; });\n     * // => 'barney' (iteration order is not guaranteed)\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findKey(users, { 'age': 1, 'active': true });\n     * // => 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findKey(users, 'active');\n     * // => 'barney'\n     */\n    function findKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n    }\n\n    /**\n     * This method is like `_.findKey` except that it iterates over elements of\n     * a collection in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findLastKey(users, function(o) { return o.age < 40; });\n     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastKey(users, { 'age': 36, 'active': true });\n     * // => 'barney'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastKey(users, 'active');\n     * // => 'pebbles'\n     */\n    function findLastKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n    }\n\n    /**\n     * Iterates over own and inherited enumerable string keyed properties of an\n     * object and invokes `iteratee` for each property. The iteratee is invoked\n     * with three arguments: (value, key, object). Iteratee functions may exit\n     * iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forInRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forIn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n     */\n    function forIn(object, iteratee) {\n      return object == null\n        ? object\n        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * This method is like `_.forIn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forInRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n     */\n    function forInRight(object, iteratee) {\n      return object == null\n        ? object\n        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * Iterates over own enumerable string keyed properties of an object and\n     * invokes `iteratee` for each property. The iteratee is invoked with three\n     * arguments: (value, key, object). Iteratee functions may exit iteration\n     * early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwnRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forOwn(object, iteratee) {\n      return object && baseForOwn(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forOwn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwnRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n     */\n    function forOwnRight(object, iteratee) {\n      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an array of function property names from own enumerable properties\n     * of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functionsIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functions(new Foo);\n     * // => ['a', 'b']\n     */\n    function functions(object) {\n      return object == null ? [] : baseFunctions(object, keys(object));\n    }\n\n    /**\n     * Creates an array of function property names from own and inherited\n     * enumerable properties of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functions\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functionsIn(new Foo);\n     * // => ['a', 'b', 'c']\n     */\n    function functionsIn(object) {\n      return object == null ? [] : baseFunctions(object, keysIn(object));\n    }\n\n    /**\n     * Gets the value at `path` of `object`. If the resolved value is\n     * `undefined`, the `defaultValue` is returned in its place.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.get(object, 'a[0].b.c');\n     * // => 3\n     *\n     * _.get(object, ['a', '0', 'b', 'c']);\n     * // => 3\n     *\n     * _.get(object, 'a.b.c', 'default');\n     * // => 'default'\n     */\n    function get(object, path, defaultValue) {\n      var result = object == null ? undefined : baseGet(object, path);\n      return result === undefined ? defaultValue : result;\n    }\n\n    /**\n     * Checks if `path` is a direct property of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = { 'a': { 'b': 2 } };\n     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.has(object, 'a');\n     * // => true\n     *\n     * _.has(object, 'a.b');\n     * // => true\n     *\n     * _.has(object, ['a', 'b']);\n     * // => true\n     *\n     * _.has(other, 'a');\n     * // => false\n     */\n    function has(object, path) {\n      return object != null && hasPath(object, path, baseHas);\n    }\n\n    /**\n     * Checks if `path` is a direct or inherited property of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.hasIn(object, 'a');\n     * // => true\n     *\n     * _.hasIn(object, 'a.b');\n     * // => true\n     *\n     * _.hasIn(object, ['a', 'b']);\n     * // => true\n     *\n     * _.hasIn(object, 'b');\n     * // => false\n     */\n    function hasIn(object, path) {\n      return object != null && hasPath(object, path, baseHasIn);\n    }\n\n    /**\n     * Creates an object composed of the inverted keys and values of `object`.\n     * If `object` contains duplicate values, subsequent values overwrite\n     * property assignments of previous values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invert(object);\n     * // => { '1': 'c', '2': 'b' }\n     */\n    var invert = createInverter(function(result, value, key) {\n      result[value] = key;\n    }, constant(identity));\n\n    /**\n     * This method is like `_.invert` except that the inverted object is generated\n     * from the results of running each element of `object` thru `iteratee`. The\n     * corresponding inverted value of each inverted key is an array of keys\n     * responsible for generating the inverted value. The iteratee is invoked\n     * with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invertBy(object);\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     *\n     * _.invertBy(object, function(value) {\n     *   return 'group' + value;\n     * });\n     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n     */\n    var invertBy = createInverter(function(result, value, key) {\n      if (hasOwnProperty.call(result, value)) {\n        result[value].push(key);\n      } else {\n        result[value] = [key];\n      }\n    }, getIteratee);\n\n    /**\n     * Invokes the method at `path` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n     *\n     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n     * // => [2, 3]\n     */\n    var invoke = baseRest(baseInvoke);\n\n    /**\n     * Creates an array of the own enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects. See the\n     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * for more details.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keys(new Foo);\n     * // => ['a', 'b'] (iteration order is not guaranteed)\n     *\n     * _.keys('hi');\n     * // => ['0', '1']\n     */\n    function keys(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keysIn(new Foo);\n     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n     */\n    function keysIn(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n    }\n\n    /**\n     * The opposite of `_.mapValues`; this method creates an object with the\n     * same values as `object` and keys generated by running each own enumerable\n     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n     * with three arguments: (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapValues\n     * @example\n     *\n     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   return key + value;\n     * });\n     * // => { 'a1': 1, 'b2': 2 }\n     */\n    function mapKeys(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, iteratee(value, key, object), value);\n      });\n      return result;\n    }\n\n    /**\n     * Creates an object with the same keys as `object` and values generated\n     * by running each own enumerable string keyed property of `object` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapKeys\n     * @example\n     *\n     * var users = {\n     *   'fred':    { 'user': 'fred',    'age': 40 },\n     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n     * };\n     *\n     * _.mapValues(users, function(o) { return o.age; });\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.mapValues(users, 'age');\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     */\n    function mapValues(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, key, iteratee(value, key, object));\n      });\n      return result;\n    }\n\n    /**\n     * This method is like `_.assign` except that it recursively merges own and\n     * inherited enumerable string keyed properties of source objects into the\n     * destination object. Source properties that resolve to `undefined` are\n     * skipped if a destination value exists. Array and plain object properties\n     * are merged recursively. Other objects and value types are overridden by\n     * assignment. Source objects are applied from left to right. Subsequent\n     * sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {\n     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n     * };\n     *\n     * var other = {\n     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n     * };\n     *\n     * _.merge(object, other);\n     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n     */\n    var merge = createAssigner(function(object, source, srcIndex) {\n      baseMerge(object, source, srcIndex);\n    });\n\n    /**\n     * This method is like `_.merge` except that it accepts `customizer` which\n     * is invoked to produce the merged values of the destination and source\n     * properties. If `customizer` returns `undefined`, merging is handled by the\n     * method instead. The `customizer` is invoked with six arguments:\n     * (objValue, srcValue, key, object, source, stack).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} customizer The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (_.isArray(objValue)) {\n     *     return objValue.concat(srcValue);\n     *   }\n     * }\n     *\n     * var object = { 'a': [1], 'b': [2] };\n     * var other = { 'a': [3], 'b': [4] };\n     *\n     * _.mergeWith(object, other, customizer);\n     * // => { 'a': [1, 3], 'b': [2, 4] }\n     */\n    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n      baseMerge(object, source, srcIndex, customizer);\n    });\n\n    /**\n     * The opposite of `_.pick`; this method creates an object composed of the\n     * own and inherited enumerable property paths of `object` that are not omitted.\n     *\n     * **Note:** This method is considerably slower than `_.pick`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to omit.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omit(object, ['a', 'c']);\n     * // => { 'b': '2' }\n     */\n    var omit = flatRest(function(object, paths) {\n      var result = {};\n      if (object == null) {\n        return result;\n      }\n      var isDeep = false;\n      paths = arrayMap(paths, function(path) {\n        path = castPath(path, object);\n        isDeep || (isDeep = path.length > 1);\n        return path;\n      });\n      copyObject(object, getAllKeysIn(object), result);\n      if (isDeep) {\n        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n      }\n      var length = paths.length;\n      while (length--) {\n        baseUnset(result, paths[length]);\n      }\n      return result;\n    });\n\n    /**\n     * The opposite of `_.pickBy`; this method creates an object composed of\n     * the own and inherited enumerable string keyed properties of `object` that\n     * `predicate` doesn't return truthy for. The predicate is invoked with two\n     * arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omitBy(object, _.isNumber);\n     * // => { 'b': '2' }\n     */\n    function omitBy(object, predicate) {\n      return pickBy(object, negate(getIteratee(predicate)));\n    }\n\n    /**\n     * Creates an object composed of the picked `object` properties.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pick(object, ['a', 'c']);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var pick = flatRest(function(object, paths) {\n      return object == null ? {} : basePick(object, paths);\n    });\n\n    /**\n     * Creates an object composed of the `object` properties `predicate` returns\n     * truthy for. The predicate is invoked with two arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pickBy(object, _.isNumber);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    function pickBy(object, predicate) {\n      if (object == null) {\n        return {};\n      }\n      var props = arrayMap(getAllKeysIn(object), function(prop) {\n        return [prop];\n      });\n      predicate = getIteratee(predicate);\n      return basePickBy(object, props, function(value, path) {\n        return predicate(value, path[0]);\n      });\n    }\n\n    /**\n     * This method is like `_.get` except that if the resolved value is a\n     * function it's invoked with the `this` binding of its parent object and\n     * its result is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to resolve.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n     *\n     * _.result(object, 'a[0].b.c1');\n     * // => 3\n     *\n     * _.result(object, 'a[0].b.c2');\n     * // => 4\n     *\n     * _.result(object, 'a[0].b.c3', 'default');\n     * // => 'default'\n     *\n     * _.result(object, 'a[0].b.c3', _.constant('default'));\n     * // => 'default'\n     */\n    function result(object, path, defaultValue) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length;\n\n      // Ensure the loop is entered when path is empty.\n      if (!length) {\n        length = 1;\n        object = undefined;\n      }\n      while (++index < length) {\n        var value = object == null ? undefined : object[toKey(path[index])];\n        if (value === undefined) {\n          index = length;\n          value = defaultValue;\n        }\n        object = isFunction(value) ? value.call(object) : value;\n      }\n      return object;\n    }\n\n    /**\n     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n     * it's created. Arrays are created for missing index properties while objects\n     * are created for all other missing properties. Use `_.setWith` to customize\n     * `path` creation.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.set(object, 'a[0].b.c', 4);\n     * console.log(object.a[0].b.c);\n     * // => 4\n     *\n     * _.set(object, ['x', '0', 'y', 'z'], 5);\n     * console.log(object.x[0].y.z);\n     * // => 5\n     */\n    function set(object, path, value) {\n      return object == null ? object : baseSet(object, path, value);\n    }\n\n    /**\n     * This method is like `_.set` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.setWith(object, '[0][1]', 'a', Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function setWith(object, path, value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseSet(object, path, value, customizer);\n    }\n\n    /**\n     * Creates an array of own enumerable string keyed-value pairs for `object`\n     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n     * entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entries\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairs(new Foo);\n     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n     */\n    var toPairs = createToPairs(keys);\n\n    /**\n     * Creates an array of own and inherited enumerable string keyed-value pairs\n     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n     * or set, its entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entriesIn\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairsIn(new Foo);\n     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n     */\n    var toPairsIn = createToPairs(keysIn);\n\n    /**\n     * An alternative to `_.reduce`; this method transforms `object` to a new\n     * `accumulator` object which is the result of running each of its own\n     * enumerable string keyed properties thru `iteratee`, with each invocation\n     * potentially mutating the `accumulator` object. If `accumulator` is not\n     * provided, a new object with the same `[[Prototype]]` will be used. The\n     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The custom accumulator value.\n     * @returns {*} Returns the accumulated value.\n     * @example\n     *\n     * _.transform([2, 3, 4], function(result, n) {\n     *   result.push(n *= n);\n     *   return n % 2 == 0;\n     * }, []);\n     * // => [4, 9]\n     *\n     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     */\n    function transform(object, iteratee, accumulator) {\n      var isArr = isArray(object),\n          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n      iteratee = getIteratee(iteratee, 4);\n      if (accumulator == null) {\n        var Ctor = object && object.constructor;\n        if (isArrLike) {\n          accumulator = isArr ? new Ctor : [];\n        }\n        else if (isObject(object)) {\n          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n        }\n        else {\n          accumulator = {};\n        }\n      }\n      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n        return iteratee(accumulator, value, index, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * Removes the property at `path` of `object`.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n     * _.unset(object, 'a[0].b.c');\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     *\n     * _.unset(object, ['a', '0', 'b', 'c']);\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     */\n    function unset(object, path) {\n      return object == null ? true : baseUnset(object, path);\n    }\n\n    /**\n     * This method is like `_.set` except that accepts `updater` to produce the\n     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n     * is invoked with one argument: (value).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n     * console.log(object.a[0].b.c);\n     * // => 9\n     *\n     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n     * console.log(object.x[0].y.z);\n     * // => 0\n     */\n    function update(object, path, updater) {\n      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n    }\n\n    /**\n     * This method is like `_.update` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function updateWith(object, path, updater, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n    }\n\n    /**\n     * Creates an array of the own enumerable string keyed property values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.values(new Foo);\n     * // => [1, 2] (iteration order is not guaranteed)\n     *\n     * _.values('hi');\n     * // => ['h', 'i']\n     */\n    function values(object) {\n      return object == null ? [] : baseValues(object, keys(object));\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable string keyed property\n     * values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.valuesIn(new Foo);\n     * // => [1, 2, 3] (iteration order is not guaranteed)\n     */\n    function valuesIn(object) {\n      return object == null ? [] : baseValues(object, keysIn(object));\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Number\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     * @example\n     *\n     * _.clamp(-10, -5, 5);\n     * // => -5\n     *\n     * _.clamp(10, -5, 5);\n     * // => 5\n     */\n    function clamp(number, lower, upper) {\n      if (upper === undefined) {\n        upper = lower;\n        lower = undefined;\n      }\n      if (upper !== undefined) {\n        upper = toNumber(upper);\n        upper = upper === upper ? upper : 0;\n      }\n      if (lower !== undefined) {\n        lower = toNumber(lower);\n        lower = lower === lower ? lower : 0;\n      }\n      return baseClamp(toNumber(number), lower, upper);\n    }\n\n    /**\n     * Checks if `n` is between `start` and up to, but not including, `end`. If\n     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n     * If `start` is greater than `end` the params are swapped to support\n     * negative ranges.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.3.0\n     * @category Number\n     * @param {number} number The number to check.\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     * @see _.range, _.rangeRight\n     * @example\n     *\n     * _.inRange(3, 2, 4);\n     * // => true\n     *\n     * _.inRange(4, 8);\n     * // => true\n     *\n     * _.inRange(4, 2);\n     * // => false\n     *\n     * _.inRange(2, 2);\n     * // => false\n     *\n     * _.inRange(1.2, 2);\n     * // => true\n     *\n     * _.inRange(5.2, 4);\n     * // => false\n     *\n     * _.inRange(-3, -2, -6);\n     * // => true\n     */\n    function inRange(number, start, end) {\n      start = toFinite(start);\n      if (end === undefined) {\n        end = start;\n        start = 0;\n      } else {\n        end = toFinite(end);\n      }\n      number = toNumber(number);\n      return baseInRange(number, start, end);\n    }\n\n    /**\n     * Produces a random number between the inclusive `lower` and `upper` bounds.\n     * If only one argument is provided a number between `0` and the given number\n     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n     * floats, a floating-point number is returned instead of an integer.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Number\n     * @param {number} [lower=0] The lower bound.\n     * @param {number} [upper=1] The upper bound.\n     * @param {boolean} [floating] Specify returning a floating-point number.\n     * @returns {number} Returns the random number.\n     * @example\n     *\n     * _.random(0, 5);\n     * // => an integer between 0 and 5\n     *\n     * _.random(5);\n     * // => also an integer between 0 and 5\n     *\n     * _.random(5, true);\n     * // => a floating-point number between 0 and 5\n     *\n     * _.random(1.2, 5.2);\n     * // => a floating-point number between 1.2 and 5.2\n     */\n    function random(lower, upper, floating) {\n      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n        upper = floating = undefined;\n      }\n      if (floating === undefined) {\n        if (typeof upper == 'boolean') {\n          floating = upper;\n          upper = undefined;\n        }\n        else if (typeof lower == 'boolean') {\n          floating = lower;\n          lower = undefined;\n        }\n      }\n      if (lower === undefined && upper === undefined) {\n        lower = 0;\n        upper = 1;\n      }\n      else {\n        lower = toFinite(lower);\n        if (upper === undefined) {\n          upper = lower;\n          lower = 0;\n        } else {\n          upper = toFinite(upper);\n        }\n      }\n      if (lower > upper) {\n        var temp = lower;\n        lower = upper;\n        upper = temp;\n      }\n      if (floating || lower % 1 || upper % 1) {\n        var rand = nativeRandom();\n        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n      }\n      return baseRandom(lower, upper);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the camel cased string.\n     * @example\n     *\n     * _.camelCase('Foo Bar');\n     * // => 'fooBar'\n     *\n     * _.camelCase('--foo-bar--');\n     * // => 'fooBar'\n     *\n     * _.camelCase('__FOO_BAR__');\n     * // => 'fooBar'\n     */\n    var camelCase = createCompounder(function(result, word, index) {\n      word = word.toLowerCase();\n      return result + (index ? capitalize(word) : word);\n    });\n\n    /**\n     * Converts the first character of `string` to upper case and the remaining\n     * to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to capitalize.\n     * @returns {string} Returns the capitalized string.\n     * @example\n     *\n     * _.capitalize('FRED');\n     * // => 'Fred'\n     */\n    function capitalize(string) {\n      return upperFirst(toString(string).toLowerCase());\n    }\n\n    /**\n     * Deburrs `string` by converting\n     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n     * letters to basic Latin letters and removing\n     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to deburr.\n     * @returns {string} Returns the deburred string.\n     * @example\n     *\n     * _.deburr('déjà vu');\n     * // => 'deja vu'\n     */\n    function deburr(string) {\n      string = toString(string);\n      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n    }\n\n    /**\n     * Checks if `string` ends with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=string.length] The position to search up to.\n     * @returns {boolean} Returns `true` if `string` ends with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.endsWith('abc', 'c');\n     * // => true\n     *\n     * _.endsWith('abc', 'b');\n     * // => false\n     *\n     * _.endsWith('abc', 'b', 2);\n     * // => true\n     */\n    function endsWith(string, target, position) {\n      string = toString(string);\n      target = baseToString(target);\n\n      var length = string.length;\n      position = position === undefined\n        ? length\n        : baseClamp(toInteger(position), 0, length);\n\n      var end = position;\n      position -= target.length;\n      return position >= 0 && string.slice(position, end) == target;\n    }\n\n    /**\n     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n     * corresponding HTML entities.\n     *\n     * **Note:** No other characters are escaped. To escape additional\n     * characters use a third-party library like [_he_](https://mths.be/he).\n     *\n     * Though the \">\" character is escaped for symmetry, characters like\n     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n     * unless they're part of a tag or unquoted attribute value. See\n     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n     * (under \"semi-related fun fact\") for more details.\n     *\n     * When working with HTML you should always\n     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n     * XSS vectors.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escape('fred, barney, & pebbles');\n     * // => 'fred, barney, &amp; pebbles'\n     */\n    function escape(string) {\n      string = toString(string);\n      return (string && reHasUnescapedHtml.test(string))\n        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escapeRegExp('[lodash](https://lodash.com/)');\n     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n     */\n    function escapeRegExp(string) {\n      string = toString(string);\n      return (string && reHasRegExpChar.test(string))\n        ? string.replace(reRegExpChar, '\\\\$&')\n        : string;\n    }\n\n    /**\n     * Converts `string` to\n     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the kebab cased string.\n     * @example\n     *\n     * _.kebabCase('Foo Bar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('fooBar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('__FOO_BAR__');\n     * // => 'foo-bar'\n     */\n    var kebabCase = createCompounder(function(result, word, index) {\n      return result + (index ? '-' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts `string`, as space separated words, to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.lowerCase('--Foo-Bar--');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('fooBar');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('__FOO_BAR__');\n     * // => 'foo bar'\n     */\n    var lowerCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts the first character of `string` to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.lowerFirst('Fred');\n     * // => 'fred'\n     *\n     * _.lowerFirst('FRED');\n     * // => 'fRED'\n     */\n    var lowerFirst = createCaseFirst('toLowerCase');\n\n    /**\n     * Pads `string` on the left and right sides if it's shorter than `length`.\n     * Padding characters are truncated if they can't be evenly divided by `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.pad('abc', 8);\n     * // => '  abc   '\n     *\n     * _.pad('abc', 8, '_-');\n     * // => '_-abc_-_'\n     *\n     * _.pad('abc', 3);\n     * // => 'abc'\n     */\n    function pad(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      if (!length || strLength >= length) {\n        return string;\n      }\n      var mid = (length - strLength) / 2;\n      return (\n        createPadding(nativeFloor(mid), chars) +\n        string +\n        createPadding(nativeCeil(mid), chars)\n      );\n    }\n\n    /**\n     * Pads `string` on the right side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padEnd('abc', 6);\n     * // => 'abc   '\n     *\n     * _.padEnd('abc', 6, '_-');\n     * // => 'abc_-_'\n     *\n     * _.padEnd('abc', 3);\n     * // => 'abc'\n     */\n    function padEnd(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (string + createPadding(length - strLength, chars))\n        : string;\n    }\n\n    /**\n     * Pads `string` on the left side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padStart('abc', 6);\n     * // => '   abc'\n     *\n     * _.padStart('abc', 6, '_-');\n     * // => '_-_abc'\n     *\n     * _.padStart('abc', 3);\n     * // => 'abc'\n     */\n    function padStart(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (createPadding(length - strLength, chars) + string)\n        : string;\n    }\n\n    /**\n     * Converts `string` to an integer of the specified radix. If `radix` is\n     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n     * hexadecimal, in which case a `radix` of `16` is used.\n     *\n     * **Note:** This method aligns with the\n     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category String\n     * @param {string} string The string to convert.\n     * @param {number} [radix=10] The radix to interpret `value` by.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.parseInt('08');\n     * // => 8\n     *\n     * _.map(['6', '08', '10'], _.parseInt);\n     * // => [6, 8, 10]\n     */\n    function parseInt(string, radix, guard) {\n      if (guard || radix == null) {\n        radix = 0;\n      } else if (radix) {\n        radix = +radix;\n      }\n      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n    }\n\n    /**\n     * Repeats the given string `n` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to repeat.\n     * @param {number} [n=1] The number of times to repeat the string.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the repeated string.\n     * @example\n     *\n     * _.repeat('*', 3);\n     * // => '***'\n     *\n     * _.repeat('abc', 2);\n     * // => 'abcabc'\n     *\n     * _.repeat('abc', 0);\n     * // => ''\n     */\n    function repeat(string, n, guard) {\n      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      return baseRepeat(toString(string), n);\n    }\n\n    /**\n     * Replaces matches for `pattern` in `string` with `replacement`.\n     *\n     * **Note:** This method is based on\n     * [`String#replace`](https://mdn.io/String/replace).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to modify.\n     * @param {RegExp|string} pattern The pattern to replace.\n     * @param {Function|string} replacement The match replacement.\n     * @returns {string} Returns the modified string.\n     * @example\n     *\n     * _.replace('Hi Fred', 'Fred', 'Barney');\n     * // => 'Hi Barney'\n     */\n    function replace() {\n      var args = arguments,\n          string = toString(args[0]);\n\n      return args.length < 3 ? string : string.replace(args[1], args[2]);\n    }\n\n    /**\n     * Converts `string` to\n     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the snake cased string.\n     * @example\n     *\n     * _.snakeCase('Foo Bar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('fooBar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('--FOO-BAR--');\n     * // => 'foo_bar'\n     */\n    var snakeCase = createCompounder(function(result, word, index) {\n      return result + (index ? '_' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Splits `string` by `separator`.\n     *\n     * **Note:** This method is based on\n     * [`String#split`](https://mdn.io/String/split).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to split.\n     * @param {RegExp|string} separator The separator pattern to split by.\n     * @param {number} [limit] The length to truncate results to.\n     * @returns {Array} Returns the string segments.\n     * @example\n     *\n     * _.split('a-b-c', '-', 2);\n     * // => ['a', 'b']\n     */\n    function split(string, separator, limit) {\n      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n        separator = limit = undefined;\n      }\n      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n      if (!limit) {\n        return [];\n      }\n      string = toString(string);\n      if (string && (\n            typeof separator == 'string' ||\n            (separator != null && !isRegExp(separator))\n          )) {\n        separator = baseToString(separator);\n        if (!separator && hasUnicode(string)) {\n          return castSlice(stringToArray(string), 0, limit);\n        }\n      }\n      return string.split(separator, limit);\n    }\n\n    /**\n     * Converts `string` to\n     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.1.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the start cased string.\n     * @example\n     *\n     * _.startCase('--foo-bar--');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('fooBar');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('__FOO_BAR__');\n     * // => 'FOO BAR'\n     */\n    var startCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + upperFirst(word);\n    });\n\n    /**\n     * Checks if `string` starts with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=0] The position to search from.\n     * @returns {boolean} Returns `true` if `string` starts with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.startsWith('abc', 'a');\n     * // => true\n     *\n     * _.startsWith('abc', 'b');\n     * // => false\n     *\n     * _.startsWith('abc', 'b', 1);\n     * // => true\n     */\n    function startsWith(string, target, position) {\n      string = toString(string);\n      position = position == null\n        ? 0\n        : baseClamp(toInteger(position), 0, string.length);\n\n      target = baseToString(target);\n      return string.slice(position, position + target.length) == target;\n    }\n\n    /**\n     * Creates a compiled template function that can interpolate data properties\n     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n     * properties may be accessed as free variables in the template. If a setting\n     * object is given, it takes precedence over `_.templateSettings` values.\n     *\n     * **Note:** In the development build `_.template` utilizes\n     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n     * for easier debugging.\n     *\n     * For more information on precompiling templates see\n     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n     *\n     * For more information on Chrome extension sandboxes see\n     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The template string.\n     * @param {Object} [options={}] The options object.\n     * @param {RegExp} [options.escape=_.templateSettings.escape]\n     *  The HTML \"escape\" delimiter.\n     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n     *  The \"evaluate\" delimiter.\n     * @param {Object} [options.imports=_.templateSettings.imports]\n     *  An object to import into the template as free variables.\n     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n     *  The \"interpolate\" delimiter.\n     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n     *  The sourceURL of the compiled template.\n     * @param {string} [options.variable='obj']\n     *  The data object variable name.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the compiled template function.\n     * @example\n     *\n     * // Use the \"interpolate\" delimiter to create a compiled template.\n     * var compiled = _.template('hello <%= user %>!');\n     * compiled({ 'user': 'fred' });\n     * // => 'hello fred!'\n     *\n     * // Use the HTML \"escape\" delimiter to escape data property values.\n     * var compiled = _.template('<b><%- value %></b>');\n     * compiled({ 'value': '<script>' });\n     * // => '<b>&lt;script&gt;</b>'\n     *\n     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the internal `print` function in \"evaluate\" delimiters.\n     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n     * compiled({ 'user': 'barney' });\n     * // => 'hello barney!'\n     *\n     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n     * // Disable support by replacing the \"interpolate\" delimiter.\n     * var compiled = _.template('hello ${ user }!');\n     * compiled({ 'user': 'pebbles' });\n     * // => 'hello pebbles!'\n     *\n     * // Use backslashes to treat delimiters as plain text.\n     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n     * compiled({ 'value': 'ignored' });\n     * // => '<%- value %>'\n     *\n     * // Use the `imports` option to import `jQuery` as `jq`.\n     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n     * compiled(data);\n     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n     *\n     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n     * compiled.source;\n     * // => function(data) {\n     * //   var __t, __p = '';\n     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n     * //   return __p;\n     * // }\n     *\n     * // Use custom template delimiters.\n     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n     * var compiled = _.template('hello {{ user }}!');\n     * compiled({ 'user': 'mustache' });\n     * // => 'hello mustache!'\n     *\n     * // Use the `source` property to inline compiled templates for meaningful\n     * // line numbers in error messages and stack traces.\n     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n     *   var JST = {\\\n     *     \"main\": ' + _.template(mainText).source + '\\\n     *   };\\\n     * ');\n     */\n    function template(string, options, guard) {\n      // Based on John Resig's `tmpl` implementation\n      // (http://ejohn.org/blog/javascript-micro-templating/)\n      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n      var settings = lodash.templateSettings;\n\n      if (guard && isIterateeCall(string, options, guard)) {\n        options = undefined;\n      }\n      string = toString(string);\n      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\n      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n          importsKeys = keys(imports),\n          importsValues = baseValues(imports, importsKeys);\n\n      var isEscaping,\n          isEvaluating,\n          index = 0,\n          interpolate = options.interpolate || reNoMatch,\n          source = \"__p += '\";\n\n      // Compile the regexp to match each delimiter.\n      var reDelimiters = RegExp(\n        (options.escape || reNoMatch).source + '|' +\n        interpolate.source + '|' +\n        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n        (options.evaluate || reNoMatch).source + '|$'\n      , 'g');\n\n      // Use a sourceURL for easier debugging.\n      var sourceURL = '//# sourceURL=' +\n        ('sourceURL' in options\n          ? options.sourceURL\n          : ('lodash.templateSources[' + (++templateCounter) + ']')\n        ) + '\\n';\n\n      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n        interpolateValue || (interpolateValue = esTemplateValue);\n\n        // Escape characters that can't be included in string literals.\n        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\n        // Replace delimiters with snippets.\n        if (escapeValue) {\n          isEscaping = true;\n          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n        }\n        if (evaluateValue) {\n          isEvaluating = true;\n          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n        }\n        if (interpolateValue) {\n          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n        }\n        index = offset + match.length;\n\n        // The JS engine embedded in Adobe products needs `match` returned in\n        // order to produce the correct `offset` value.\n        return match;\n      });\n\n      source += \"';\\n\";\n\n      // If `variable` is not specified wrap a with-statement around the generated\n      // code to add the data object to the top of the scope chain.\n      var variable = options.variable;\n      if (!variable) {\n        source = 'with (obj) {\\n' + source + '\\n}\\n';\n      }\n      // Cleanup code by stripping empty strings.\n      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n        .replace(reEmptyStringMiddle, '$1')\n        .replace(reEmptyStringTrailing, '$1;');\n\n      // Frame code as the function body.\n      source = 'function(' + (variable || 'obj') + ') {\\n' +\n        (variable\n          ? ''\n          : 'obj || (obj = {});\\n'\n        ) +\n        \"var __t, __p = ''\" +\n        (isEscaping\n           ? ', __e = _.escape'\n           : ''\n        ) +\n        (isEvaluating\n          ? ', __j = Array.prototype.join;\\n' +\n            \"function print() { __p += __j.call(arguments, '') }\\n\"\n          : ';\\n'\n        ) +\n        source +\n        'return __p\\n}';\n\n      var result = attempt(function() {\n        return Function(importsKeys, sourceURL + 'return ' + source)\n          .apply(undefined, importsValues);\n      });\n\n      // Provide the compiled function's source by its `toString` method or\n      // the `source` property as a convenience for inlining compiled templates.\n      result.source = source;\n      if (isError(result)) {\n        throw result;\n      }\n      return result;\n    }\n\n    /**\n     * Converts `string`, as a whole, to lower case just like\n     * [String#toLowerCase](https://mdn.io/toLowerCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.toLower('--Foo-Bar--');\n     * // => '--foo-bar--'\n     *\n     * _.toLower('fooBar');\n     * // => 'foobar'\n     *\n     * _.toLower('__FOO_BAR__');\n     * // => '__foo_bar__'\n     */\n    function toLower(value) {\n      return toString(value).toLowerCase();\n    }\n\n    /**\n     * Converts `string`, as a whole, to upper case just like\n     * [String#toUpperCase](https://mdn.io/toUpperCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.toUpper('--foo-bar--');\n     * // => '--FOO-BAR--'\n     *\n     * _.toUpper('fooBar');\n     * // => 'FOOBAR'\n     *\n     * _.toUpper('__foo_bar__');\n     * // => '__FOO_BAR__'\n     */\n    function toUpper(value) {\n      return toString(value).toUpperCase();\n    }\n\n    /**\n     * Removes leading and trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trim('  abc  ');\n     * // => 'abc'\n     *\n     * _.trim('-_-abc-_-', '_-');\n     * // => 'abc'\n     *\n     * _.map(['  foo  ', '  bar  '], _.trim);\n     * // => ['foo', 'bar']\n     */\n    function trim(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrim, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          chrSymbols = stringToArray(chars),\n          start = charsStartIndex(strSymbols, chrSymbols),\n          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\n      return castSlice(strSymbols, start, end).join('');\n    }\n\n    /**\n     * Removes trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimEnd('  abc  ');\n     * // => '  abc'\n     *\n     * _.trimEnd('-_-abc-_-', '_-');\n     * // => '-_-abc'\n     */\n    function trimEnd(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimEnd, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\n      return castSlice(strSymbols, 0, end).join('');\n    }\n\n    /**\n     * Removes leading whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimStart('  abc  ');\n     * // => 'abc  '\n     *\n     * _.trimStart('-_-abc-_-', '_-');\n     * // => 'abc-_-'\n     */\n    function trimStart(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimStart, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          start = charsStartIndex(strSymbols, stringToArray(chars));\n\n      return castSlice(strSymbols, start).join('');\n    }\n\n    /**\n     * Truncates `string` if it's longer than the given maximum string length.\n     * The last characters of the truncated string are replaced with the omission\n     * string which defaults to \"...\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to truncate.\n     * @param {Object} [options={}] The options object.\n     * @param {number} [options.length=30] The maximum string length.\n     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n     * @returns {string} Returns the truncated string.\n     * @example\n     *\n     * _.truncate('hi-diddly-ho there, neighborino');\n     * // => 'hi-diddly-ho there, neighbo...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': ' '\n     * });\n     * // => 'hi-diddly-ho there,...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': /,? +/\n     * });\n     * // => 'hi-diddly-ho there...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'omission': ' [...]'\n     * });\n     * // => 'hi-diddly-ho there, neig [...]'\n     */\n    function truncate(string, options) {\n      var length = DEFAULT_TRUNC_LENGTH,\n          omission = DEFAULT_TRUNC_OMISSION;\n\n      if (isObject(options)) {\n        var separator = 'separator' in options ? options.separator : separator;\n        length = 'length' in options ? toInteger(options.length) : length;\n        omission = 'omission' in options ? baseToString(options.omission) : omission;\n      }\n      string = toString(string);\n\n      var strLength = string.length;\n      if (hasUnicode(string)) {\n        var strSymbols = stringToArray(string);\n        strLength = strSymbols.length;\n      }\n      if (length >= strLength) {\n        return string;\n      }\n      var end = length - stringSize(omission);\n      if (end < 1) {\n        return omission;\n      }\n      var result = strSymbols\n        ? castSlice(strSymbols, 0, end).join('')\n        : string.slice(0, end);\n\n      if (separator === undefined) {\n        return result + omission;\n      }\n      if (strSymbols) {\n        end += (result.length - end);\n      }\n      if (isRegExp(separator)) {\n        if (string.slice(end).search(separator)) {\n          var match,\n              substring = result;\n\n          if (!separator.global) {\n            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n          }\n          separator.lastIndex = 0;\n          while ((match = separator.exec(substring))) {\n            var newEnd = match.index;\n          }\n          result = result.slice(0, newEnd === undefined ? end : newEnd);\n        }\n      } else if (string.indexOf(baseToString(separator), end) != end) {\n        var index = result.lastIndexOf(separator);\n        if (index > -1) {\n          result = result.slice(0, index);\n        }\n      }\n      return result + omission;\n    }\n\n    /**\n     * The inverse of `_.escape`; this method converts the HTML entities\n     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n     * their corresponding characters.\n     *\n     * **Note:** No other HTML entities are unescaped. To unescape additional\n     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.6.0\n     * @category String\n     * @param {string} [string=''] The string to unescape.\n     * @returns {string} Returns the unescaped string.\n     * @example\n     *\n     * _.unescape('fred, barney, &amp; pebbles');\n     * // => 'fred, barney, & pebbles'\n     */\n    function unescape(string) {\n      string = toString(string);\n      return (string && reHasEscapedHtml.test(string))\n        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Converts `string`, as space separated words, to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.upperCase('--foo-bar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('fooBar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('__foo_bar__');\n     * // => 'FOO BAR'\n     */\n    var upperCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toUpperCase();\n    });\n\n    /**\n     * Converts the first character of `string` to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.upperFirst('fred');\n     * // => 'Fred'\n     *\n     * _.upperFirst('FRED');\n     * // => 'FRED'\n     */\n    var upperFirst = createCaseFirst('toUpperCase');\n\n    /**\n     * Splits `string` into an array of its words.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {RegExp|string} [pattern] The pattern to match words.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the words of `string`.\n     * @example\n     *\n     * _.words('fred, barney, & pebbles');\n     * // => ['fred', 'barney', 'pebbles']\n     *\n     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n     * // => ['fred', 'barney', '&', 'pebbles']\n     */\n    function words(string, pattern, guard) {\n      string = toString(string);\n      pattern = guard ? undefined : pattern;\n\n      if (pattern === undefined) {\n        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n      }\n      return string.match(pattern) || [];\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Attempts to invoke `func`, returning either the result or the caught error\n     * object. Any additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Function} func The function to attempt.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {*} Returns the `func` result or error object.\n     * @example\n     *\n     * // Avoid throwing errors for invalid selectors.\n     * var elements = _.attempt(function(selector) {\n     *   return document.querySelectorAll(selector);\n     * }, '>_>');\n     *\n     * if (_.isError(elements)) {\n     *   elements = [];\n     * }\n     */\n    var attempt = baseRest(function(func, args) {\n      try {\n        return apply(func, undefined, args);\n      } catch (e) {\n        return isError(e) ? e : new Error(e);\n      }\n    });\n\n    /**\n     * Binds methods of an object to the object itself, overwriting the existing\n     * method.\n     *\n     * **Note:** This method doesn't set the \"length\" property of bound functions.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Object} object The object to bind and assign the bound methods to.\n     * @param {...(string|string[])} methodNames The object method names to bind.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var view = {\n     *   'label': 'docs',\n     *   'click': function() {\n     *     console.log('clicked ' + this.label);\n     *   }\n     * };\n     *\n     * _.bindAll(view, ['click']);\n     * jQuery(element).on('click', view.click);\n     * // => Logs 'clicked docs' when clicked.\n     */\n    var bindAll = flatRest(function(object, methodNames) {\n      arrayEach(methodNames, function(key) {\n        key = toKey(key);\n        baseAssignValue(object, key, bind(object[key], object));\n      });\n      return object;\n    });\n\n    /**\n     * Creates a function that iterates over `pairs` and invokes the corresponding\n     * function of the first predicate to return truthy. The predicate-function\n     * pairs are invoked with the `this` binding and arguments of the created\n     * function.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Array} pairs The predicate-function pairs.\n     * @returns {Function} Returns the new composite function.\n     * @example\n     *\n     * var func = _.cond([\n     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n     *   [_.stubTrue,                      _.constant('no match')]\n     * ]);\n     *\n     * func({ 'a': 1, 'b': 2 });\n     * // => 'matches A'\n     *\n     * func({ 'a': 0, 'b': 1 });\n     * // => 'matches B'\n     *\n     * func({ 'a': '1', 'b': '2' });\n     * // => 'no match'\n     */\n    function cond(pairs) {\n      var length = pairs == null ? 0 : pairs.length,\n          toIteratee = getIteratee();\n\n      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n        if (typeof pair[1] != 'function') {\n          throw new TypeError(FUNC_ERROR_TEXT);\n        }\n        return [toIteratee(pair[0]), pair[1]];\n      });\n\n      return baseRest(function(args) {\n        var index = -1;\n        while (++index < length) {\n          var pair = pairs[index];\n          if (apply(pair[0], this, args)) {\n            return apply(pair[1], this, args);\n          }\n        }\n      });\n    }\n\n    /**\n     * Creates a function that invokes the predicate properties of `source` with\n     * the corresponding property values of a given object, returning `true` if\n     * all predicates return truthy, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.conformsTo` with\n     * `source` partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 2, 'b': 1 },\n     *   { 'a': 1, 'b': 2 }\n     * ];\n     *\n     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n     * // => [{ 'a': 1, 'b': 2 }]\n     */\n    function conforms(source) {\n      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that returns `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {*} value The value to return from the new function.\n     * @returns {Function} Returns the new constant function.\n     * @example\n     *\n     * var objects = _.times(2, _.constant({ 'a': 1 }));\n     *\n     * console.log(objects);\n     * // => [{ 'a': 1 }, { 'a': 1 }]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => true\n     */\n    function constant(value) {\n      return function() {\n        return value;\n      };\n    }\n\n    /**\n     * Checks `value` to determine whether a default value should be returned in\n     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n     * or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Util\n     * @param {*} value The value to check.\n     * @param {*} defaultValue The default value.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * _.defaultTo(1, 10);\n     * // => 1\n     *\n     * _.defaultTo(undefined, 10);\n     * // => 10\n     */\n    function defaultTo(value, defaultValue) {\n      return (value == null || value !== value) ? defaultValue : value;\n    }\n\n    /**\n     * Creates a function that returns the result of invoking the given functions\n     * with the `this` binding of the created function, where each successive\n     * invocation is supplied the return value of the previous.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flowRight\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flow([_.add, square]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flow = createFlow();\n\n    /**\n     * This method is like `_.flow` except that it creates a function that\n     * invokes the given functions from right to left.\n     *\n     * @static\n     * @since 3.0.0\n     * @memberOf _\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flow\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flowRight([square, _.add]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flowRight = createFlow(true);\n\n    /**\n     * This method returns the first argument it receives.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {*} value Any value.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     *\n     * console.log(_.identity(object) === object);\n     * // => true\n     */\n    function identity(value) {\n      return value;\n    }\n\n    /**\n     * Creates a function that invokes `func` with the arguments of the created\n     * function. If `func` is a property name, the created function returns the\n     * property value for a given element. If `func` is an array or object, the\n     * created function returns `true` for elements that contain the equivalent\n     * source properties, otherwise it returns `false`.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Util\n     * @param {*} [func=_.identity] The value to convert to a callback.\n     * @returns {Function} Returns the callback.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, _.iteratee(['user', 'fred']));\n     * // => [{ 'user': 'fred', 'age': 40 }]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, _.iteratee('user'));\n     * // => ['barney', 'fred']\n     *\n     * // Create custom iteratee shorthands.\n     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n     *     return func.test(string);\n     *   };\n     * });\n     *\n     * _.filter(['abc', 'def'], /ef/);\n     * // => ['def']\n     */\n    function iteratee(func) {\n      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between a given\n     * object and `source`, returning `true` if the given object has equivalent\n     * property values, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n     */\n    function matches(source) {\n      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between the\n     * value at `path` of a given object to `srcValue`, returning `true` if the\n     * object value is equivalent, else `false`.\n     *\n     * **Note:** Partial comparisons will match empty array and empty object\n     * `srcValue` values against any array or object value, respectively. See\n     * `_.isEqual` for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.find(objects, _.matchesProperty('a', 4));\n     * // => { 'a': 4, 'b': 5, 'c': 6 }\n     */\n    function matchesProperty(path, srcValue) {\n      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that invokes the method at `path` of a given object.\n     * Any additional arguments are provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': _.constant(2) } },\n     *   { 'a': { 'b': _.constant(1) } }\n     * ];\n     *\n     * _.map(objects, _.method('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(objects, _.method(['a', 'b']));\n     * // => [2, 1]\n     */\n    var method = baseRest(function(path, args) {\n      return function(object) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * The opposite of `_.method`; this method creates a function that invokes\n     * the method at a given path of `object`. Any additional arguments are\n     * provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var array = _.times(3, _.constant),\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n     * // => [2, 0]\n     */\n    var methodOf = baseRest(function(object, args) {\n      return function(path) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * Adds all own enumerable string keyed function properties of a source\n     * object to the destination object. If `object` is a function, then methods\n     * are added to its prototype as well.\n     *\n     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n     * avoid conflicts caused by modifying the original.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Function|Object} [object=lodash] The destination object.\n     * @param {Object} source The object of functions to add.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n     * @returns {Function|Object} Returns `object`.\n     * @example\n     *\n     * function vowels(string) {\n     *   return _.filter(string, function(v) {\n     *     return /[aeiou]/i.test(v);\n     *   });\n     * }\n     *\n     * _.mixin({ 'vowels': vowels });\n     * _.vowels('fred');\n     * // => ['e']\n     *\n     * _('fred').vowels().value();\n     * // => ['e']\n     *\n     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n     * _('fred').vowels();\n     * // => ['e']\n     */\n    function mixin(object, source, options) {\n      var props = keys(source),\n          methodNames = baseFunctions(source, props);\n\n      if (options == null &&\n          !(isObject(source) && (methodNames.length || !props.length))) {\n        options = source;\n        source = object;\n        object = this;\n        methodNames = baseFunctions(source, keys(source));\n      }\n      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n          isFunc = isFunction(object);\n\n      arrayEach(methodNames, function(methodName) {\n        var func = source[methodName];\n        object[methodName] = func;\n        if (isFunc) {\n          object.prototype[methodName] = function() {\n            var chainAll = this.__chain__;\n            if (chain || chainAll) {\n              var result = object(this.__wrapped__),\n                  actions = result.__actions__ = copyArray(this.__actions__);\n\n              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n              result.__chain__ = chainAll;\n              return result;\n            }\n            return func.apply(object, arrayPush([this.value()], arguments));\n          };\n        }\n      });\n\n      return object;\n    }\n\n    /**\n     * Reverts the `_` variable to its previous value and returns a reference to\n     * the `lodash` function.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @returns {Function} Returns the `lodash` function.\n     * @example\n     *\n     * var lodash = _.noConflict();\n     */\n    function noConflict() {\n      if (root._ === this) {\n        root._ = oldDash;\n      }\n      return this;\n    }\n\n    /**\n     * This method returns `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Util\n     * @example\n     *\n     * _.times(2, _.noop);\n     * // => [undefined, undefined]\n     */\n    function noop() {\n      // No operation performed.\n    }\n\n    /**\n     * Creates a function that gets the argument at index `n`. If `n` is negative,\n     * the nth argument from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [n=0] The index of the argument to return.\n     * @returns {Function} Returns the new pass-thru function.\n     * @example\n     *\n     * var func = _.nthArg(1);\n     * func('a', 'b', 'c', 'd');\n     * // => 'b'\n     *\n     * var func = _.nthArg(-2);\n     * func('a', 'b', 'c', 'd');\n     * // => 'c'\n     */\n    function nthArg(n) {\n      n = toInteger(n);\n      return baseRest(function(args) {\n        return baseNth(args, n);\n      });\n    }\n\n    /**\n     * Creates a function that invokes `iteratees` with the arguments it receives\n     * and returns their results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to invoke.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.over([Math.max, Math.min]);\n     *\n     * func(1, 2, 3, 4);\n     * // => [4, 1]\n     */\n    var over = createOver(arrayMap);\n\n    /**\n     * Creates a function that checks if **all** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overEvery([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => false\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overEvery = createOver(arrayEvery);\n\n    /**\n     * Creates a function that checks if **any** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overSome([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => true\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overSome = createOver(arraySome);\n\n    /**\n     * Creates a function that returns the value at `path` of a given object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': 2 } },\n     *   { 'a': { 'b': 1 } }\n     * ];\n     *\n     * _.map(objects, _.property('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n     * // => [1, 2]\n     */\n    function property(path) {\n      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n    }\n\n    /**\n     * The opposite of `_.property`; this method creates a function that returns\n     * the value at a given path of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var array = [0, 1, 2],\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n     * // => [2, 0]\n     */\n    function propertyOf(object) {\n      return function(path) {\n        return object == null ? undefined : baseGet(object, path);\n      };\n    }\n\n    /**\n     * Creates an array of numbers (positive and/or negative) progressing from\n     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n     * `start` is specified without an `end` or `step`. If `end` is not specified,\n     * it's set to `start` with `start` then set to `0`.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.rangeRight\n     * @example\n     *\n     * _.range(4);\n     * // => [0, 1, 2, 3]\n     *\n     * _.range(-4);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 5);\n     * // => [1, 2, 3, 4]\n     *\n     * _.range(0, 20, 5);\n     * // => [0, 5, 10, 15]\n     *\n     * _.range(0, -4, -1);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.range(0);\n     * // => []\n     */\n    var range = createRange();\n\n    /**\n     * This method is like `_.range` except that it populates values in\n     * descending order.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.range\n     * @example\n     *\n     * _.rangeRight(4);\n     * // => [3, 2, 1, 0]\n     *\n     * _.rangeRight(-4);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 5);\n     * // => [4, 3, 2, 1]\n     *\n     * _.rangeRight(0, 20, 5);\n     * // => [15, 10, 5, 0]\n     *\n     * _.rangeRight(0, -4, -1);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.rangeRight(0);\n     * // => []\n     */\n    var rangeRight = createRange(true);\n\n    /**\n     * This method returns a new empty array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Array} Returns the new empty array.\n     * @example\n     *\n     * var arrays = _.times(2, _.stubArray);\n     *\n     * console.log(arrays);\n     * // => [[], []]\n     *\n     * console.log(arrays[0] === arrays[1]);\n     * // => false\n     */\n    function stubArray() {\n      return [];\n    }\n\n    /**\n     * This method returns `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `false`.\n     * @example\n     *\n     * _.times(2, _.stubFalse);\n     * // => [false, false]\n     */\n    function stubFalse() {\n      return false;\n    }\n\n    /**\n     * This method returns a new empty object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Object} Returns the new empty object.\n     * @example\n     *\n     * var objects = _.times(2, _.stubObject);\n     *\n     * console.log(objects);\n     * // => [{}, {}]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => false\n     */\n    function stubObject() {\n      return {};\n    }\n\n    /**\n     * This method returns an empty string.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {string} Returns the empty string.\n     * @example\n     *\n     * _.times(2, _.stubString);\n     * // => ['', '']\n     */\n    function stubString() {\n      return '';\n    }\n\n    /**\n     * This method returns `true`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `true`.\n     * @example\n     *\n     * _.times(2, _.stubTrue);\n     * // => [true, true]\n     */\n    function stubTrue() {\n      return true;\n    }\n\n    /**\n     * Invokes the iteratee `n` times, returning an array of the results of\n     * each invocation. The iteratee is invoked with one argument; (index).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} n The number of times to invoke `iteratee`.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.times(3, String);\n     * // => ['0', '1', '2']\n     *\n     *  _.times(4, _.constant(0));\n     * // => [0, 0, 0, 0]\n     */\n    function times(n, iteratee) {\n      n = toInteger(n);\n      if (n < 1 || n > MAX_SAFE_INTEGER) {\n        return [];\n      }\n      var index = MAX_ARRAY_LENGTH,\n          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\n      iteratee = getIteratee(iteratee);\n      n -= MAX_ARRAY_LENGTH;\n\n      var result = baseTimes(length, iteratee);\n      while (++index < n) {\n        iteratee(index);\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a property path array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the new property path array.\n     * @example\n     *\n     * _.toPath('a.b.c');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toPath('a[0].b.c');\n     * // => ['a', '0', 'b', 'c']\n     */\n    function toPath(value) {\n      if (isArray(value)) {\n        return arrayMap(value, toKey);\n      }\n      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n    }\n\n    /**\n     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {string} [prefix=''] The value to prefix the ID with.\n     * @returns {string} Returns the unique ID.\n     * @example\n     *\n     * _.uniqueId('contact_');\n     * // => 'contact_104'\n     *\n     * _.uniqueId();\n     * // => '105'\n     */\n    function uniqueId(prefix) {\n      var id = ++idCounter;\n      return toString(prefix) + id;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Adds two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {number} augend The first number in an addition.\n     * @param {number} addend The second number in an addition.\n     * @returns {number} Returns the total.\n     * @example\n     *\n     * _.add(6, 4);\n     * // => 10\n     */\n    var add = createMathOperation(function(augend, addend) {\n      return augend + addend;\n    }, 0);\n\n    /**\n     * Computes `number` rounded up to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round up.\n     * @param {number} [precision=0] The precision to round up to.\n     * @returns {number} Returns the rounded up number.\n     * @example\n     *\n     * _.ceil(4.006);\n     * // => 5\n     *\n     * _.ceil(6.004, 2);\n     * // => 6.01\n     *\n     * _.ceil(6040, -2);\n     * // => 6100\n     */\n    var ceil = createRound('ceil');\n\n    /**\n     * Divide two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} dividend The first number in a division.\n     * @param {number} divisor The second number in a division.\n     * @returns {number} Returns the quotient.\n     * @example\n     *\n     * _.divide(6, 4);\n     * // => 1.5\n     */\n    var divide = createMathOperation(function(dividend, divisor) {\n      return dividend / divisor;\n    }, 1);\n\n    /**\n     * Computes `number` rounded down to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round down.\n     * @param {number} [precision=0] The precision to round down to.\n     * @returns {number} Returns the rounded down number.\n     * @example\n     *\n     * _.floor(4.006);\n     * // => 4\n     *\n     * _.floor(0.046, 2);\n     * // => 0.04\n     *\n     * _.floor(4060, -2);\n     * // => 4000\n     */\n    var floor = createRound('floor');\n\n    /**\n     * Computes the maximum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * _.max([4, 2, 8, 6]);\n     * // => 8\n     *\n     * _.max([]);\n     * // => undefined\n     */\n    function max(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseGt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.max` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.maxBy(objects, function(o) { return o.n; });\n     * // => { 'n': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.maxBy(objects, 'n');\n     * // => { 'n': 2 }\n     */\n    function maxBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n        : undefined;\n    }\n\n    /**\n     * Computes the mean of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * _.mean([4, 2, 8, 6]);\n     * // => 5\n     */\n    function mean(array) {\n      return baseMean(array, identity);\n    }\n\n    /**\n     * This method is like `_.mean` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be averaged.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.meanBy(objects, function(o) { return o.n; });\n     * // => 5\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.meanBy(objects, 'n');\n     * // => 5\n     */\n    function meanBy(array, iteratee) {\n      return baseMean(array, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * Computes the minimum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * _.min([4, 2, 8, 6]);\n     * // => 2\n     *\n     * _.min([]);\n     * // => undefined\n     */\n    function min(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseLt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.min` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.minBy(objects, function(o) { return o.n; });\n     * // => { 'n': 1 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.minBy(objects, 'n');\n     * // => { 'n': 1 }\n     */\n    function minBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n        : undefined;\n    }\n\n    /**\n     * Multiply two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} multiplier The first number in a multiplication.\n     * @param {number} multiplicand The second number in a multiplication.\n     * @returns {number} Returns the product.\n     * @example\n     *\n     * _.multiply(6, 4);\n     * // => 24\n     */\n    var multiply = createMathOperation(function(multiplier, multiplicand) {\n      return multiplier * multiplicand;\n    }, 1);\n\n    /**\n     * Computes `number` rounded to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round.\n     * @param {number} [precision=0] The precision to round to.\n     * @returns {number} Returns the rounded number.\n     * @example\n     *\n     * _.round(4.006);\n     * // => 4\n     *\n     * _.round(4.006, 2);\n     * // => 4.01\n     *\n     * _.round(4060, -2);\n     * // => 4100\n     */\n    var round = createRound('round');\n\n    /**\n     * Subtract two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {number} minuend The first number in a subtraction.\n     * @param {number} subtrahend The second number in a subtraction.\n     * @returns {number} Returns the difference.\n     * @example\n     *\n     * _.subtract(6, 4);\n     * // => 2\n     */\n    var subtract = createMathOperation(function(minuend, subtrahend) {\n      return minuend - subtrahend;\n    }, 0);\n\n    /**\n     * Computes the sum of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * _.sum([4, 2, 8, 6]);\n     * // => 20\n     */\n    function sum(array) {\n      return (array && array.length)\n        ? baseSum(array, identity)\n        : 0;\n    }\n\n    /**\n     * This method is like `_.sum` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be summed.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.sumBy(objects, function(o) { return o.n; });\n     * // => 20\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sumBy(objects, 'n');\n     * // => 20\n     */\n    function sumBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSum(array, getIteratee(iteratee, 2))\n        : 0;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return wrapped values in chain sequences.\n    lodash.after = after;\n    lodash.ary = ary;\n    lodash.assign = assign;\n    lodash.assignIn = assignIn;\n    lodash.assignInWith = assignInWith;\n    lodash.assignWith = assignWith;\n    lodash.at = at;\n    lodash.before = before;\n    lodash.bind = bind;\n    lodash.bindAll = bindAll;\n    lodash.bindKey = bindKey;\n    lodash.castArray = castArray;\n    lodash.chain = chain;\n    lodash.chunk = chunk;\n    lodash.compact = compact;\n    lodash.concat = concat;\n    lodash.cond = cond;\n    lodash.conforms = conforms;\n    lodash.constant = constant;\n    lodash.countBy = countBy;\n    lodash.create = create;\n    lodash.curry = curry;\n    lodash.curryRight = curryRight;\n    lodash.debounce = debounce;\n    lodash.defaults = defaults;\n    lodash.defaultsDeep = defaultsDeep;\n    lodash.defer = defer;\n    lodash.delay = delay;\n    lodash.difference = difference;\n    lodash.differenceBy = differenceBy;\n    lodash.differenceWith = differenceWith;\n    lodash.drop = drop;\n    lodash.dropRight = dropRight;\n    lodash.dropRightWhile = dropRightWhile;\n    lodash.dropWhile = dropWhile;\n    lodash.fill = fill;\n    lodash.filter = filter;\n    lodash.flatMap = flatMap;\n    lodash.flatMapDeep = flatMapDeep;\n    lodash.flatMapDepth = flatMapDepth;\n    lodash.flatten = flatten;\n    lodash.flattenDeep = flattenDeep;\n    lodash.flattenDepth = flattenDepth;\n    lodash.flip = flip;\n    lodash.flow = flow;\n    lodash.flowRight = flowRight;\n    lodash.fromPairs = fromPairs;\n    lodash.functions = functions;\n    lodash.functionsIn = functionsIn;\n    lodash.groupBy = groupBy;\n    lodash.initial = initial;\n    lodash.intersection = intersection;\n    lodash.intersectionBy = intersectionBy;\n    lodash.intersectionWith = intersectionWith;\n    lodash.invert = invert;\n    lodash.invertBy = invertBy;\n    lodash.invokeMap = invokeMap;\n    lodash.iteratee = iteratee;\n    lodash.keyBy = keyBy;\n    lodash.keys = keys;\n    lodash.keysIn = keysIn;\n    lodash.map = map;\n    lodash.mapKeys = mapKeys;\n    lodash.mapValues = mapValues;\n    lodash.matches = matches;\n    lodash.matchesProperty = matchesProperty;\n    lodash.memoize = memoize;\n    lodash.merge = merge;\n    lodash.mergeWith = mergeWith;\n    lodash.method = method;\n    lodash.methodOf = methodOf;\n    lodash.mixin = mixin;\n    lodash.negate = negate;\n    lodash.nthArg = nthArg;\n    lodash.omit = omit;\n    lodash.omitBy = omitBy;\n    lodash.once = once;\n    lodash.orderBy = orderBy;\n    lodash.over = over;\n    lodash.overArgs = overArgs;\n    lodash.overEvery = overEvery;\n    lodash.overSome = overSome;\n    lodash.partial = partial;\n    lodash.partialRight = partialRight;\n    lodash.partition = partition;\n    lodash.pick = pick;\n    lodash.pickBy = pickBy;\n    lodash.property = property;\n    lodash.propertyOf = propertyOf;\n    lodash.pull = pull;\n    lodash.pullAll = pullAll;\n    lodash.pullAllBy = pullAllBy;\n    lodash.pullAllWith = pullAllWith;\n    lodash.pullAt = pullAt;\n    lodash.range = range;\n    lodash.rangeRight = rangeRight;\n    lodash.rearg = rearg;\n    lodash.reject = reject;\n    lodash.remove = remove;\n    lodash.rest = rest;\n    lodash.reverse = reverse;\n    lodash.sampleSize = sampleSize;\n    lodash.set = set;\n    lodash.setWith = setWith;\n    lodash.shuffle = shuffle;\n    lodash.slice = slice;\n    lodash.sortBy = sortBy;\n    lodash.sortedUniq = sortedUniq;\n    lodash.sortedUniqBy = sortedUniqBy;\n    lodash.split = split;\n    lodash.spread = spread;\n    lodash.tail = tail;\n    lodash.take = take;\n    lodash.takeRight = takeRight;\n    lodash.takeRightWhile = takeRightWhile;\n    lodash.takeWhile = takeWhile;\n    lodash.tap = tap;\n    lodash.throttle = throttle;\n    lodash.thru = thru;\n    lodash.toArray = toArray;\n    lodash.toPairs = toPairs;\n    lodash.toPairsIn = toPairsIn;\n    lodash.toPath = toPath;\n    lodash.toPlainObject = toPlainObject;\n    lodash.transform = transform;\n    lodash.unary = unary;\n    lodash.union = union;\n    lodash.unionBy = unionBy;\n    lodash.unionWith = unionWith;\n    lodash.uniq = uniq;\n    lodash.uniqBy = uniqBy;\n    lodash.uniqWith = uniqWith;\n    lodash.unset = unset;\n    lodash.unzip = unzip;\n    lodash.unzipWith = unzipWith;\n    lodash.update = update;\n    lodash.updateWith = updateWith;\n    lodash.values = values;\n    lodash.valuesIn = valuesIn;\n    lodash.without = without;\n    lodash.words = words;\n    lodash.wrap = wrap;\n    lodash.xor = xor;\n    lodash.xorBy = xorBy;\n    lodash.xorWith = xorWith;\n    lodash.zip = zip;\n    lodash.zipObject = zipObject;\n    lodash.zipObjectDeep = zipObjectDeep;\n    lodash.zipWith = zipWith;\n\n    // Add aliases.\n    lodash.entries = toPairs;\n    lodash.entriesIn = toPairsIn;\n    lodash.extend = assignIn;\n    lodash.extendWith = assignInWith;\n\n    // Add methods to `lodash.prototype`.\n    mixin(lodash, lodash);\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return unwrapped values in chain sequences.\n    lodash.add = add;\n    lodash.attempt = attempt;\n    lodash.camelCase = camelCase;\n    lodash.capitalize = capitalize;\n    lodash.ceil = ceil;\n    lodash.clamp = clamp;\n    lodash.clone = clone;\n    lodash.cloneDeep = cloneDeep;\n    lodash.cloneDeepWith = cloneDeepWith;\n    lodash.cloneWith = cloneWith;\n    lodash.conformsTo = conformsTo;\n    lodash.deburr = deburr;\n    lodash.defaultTo = defaultTo;\n    lodash.divide = divide;\n    lodash.endsWith = endsWith;\n    lodash.eq = eq;\n    lodash.escape = escape;\n    lodash.escapeRegExp = escapeRegExp;\n    lodash.every = every;\n    lodash.find = find;\n    lodash.findIndex = findIndex;\n    lodash.findKey = findKey;\n    lodash.findLast = findLast;\n    lodash.findLastIndex = findLastIndex;\n    lodash.findLastKey = findLastKey;\n    lodash.floor = floor;\n    lodash.forEach = forEach;\n    lodash.forEachRight = forEachRight;\n    lodash.forIn = forIn;\n    lodash.forInRight = forInRight;\n    lodash.forOwn = forOwn;\n    lodash.forOwnRight = forOwnRight;\n    lodash.get = get;\n    lodash.gt = gt;\n    lodash.gte = gte;\n    lodash.has = has;\n    lodash.hasIn = hasIn;\n    lodash.head = head;\n    lodash.identity = identity;\n    lodash.includes = includes;\n    lodash.indexOf = indexOf;\n    lodash.inRange = inRange;\n    lodash.invoke = invoke;\n    lodash.isArguments = isArguments;\n    lodash.isArray = isArray;\n    lodash.isArrayBuffer = isArrayBuffer;\n    lodash.isArrayLike = isArrayLike;\n    lodash.isArrayLikeObject = isArrayLikeObject;\n    lodash.isBoolean = isBoolean;\n    lodash.isBuffer = isBuffer;\n    lodash.isDate = isDate;\n    lodash.isElement = isElement;\n    lodash.isEmpty = isEmpty;\n    lodash.isEqual = isEqual;\n    lodash.isEqualWith = isEqualWith;\n    lodash.isError = isError;\n    lodash.isFinite = isFinite;\n    lodash.isFunction = isFunction;\n    lodash.isInteger = isInteger;\n    lodash.isLength = isLength;\n    lodash.isMap = isMap;\n    lodash.isMatch = isMatch;\n    lodash.isMatchWith = isMatchWith;\n    lodash.isNaN = isNaN;\n    lodash.isNative = isNative;\n    lodash.isNil = isNil;\n    lodash.isNull = isNull;\n    lodash.isNumber = isNumber;\n    lodash.isObject = isObject;\n    lodash.isObjectLike = isObjectLike;\n    lodash.isPlainObject = isPlainObject;\n    lodash.isRegExp = isRegExp;\n    lodash.isSafeInteger = isSafeInteger;\n    lodash.isSet = isSet;\n    lodash.isString = isString;\n    lodash.isSymbol = isSymbol;\n    lodash.isTypedArray = isTypedArray;\n    lodash.isUndefined = isUndefined;\n    lodash.isWeakMap = isWeakMap;\n    lodash.isWeakSet = isWeakSet;\n    lodash.join = join;\n    lodash.kebabCase = kebabCase;\n    lodash.last = last;\n    lodash.lastIndexOf = lastIndexOf;\n    lodash.lowerCase = lowerCase;\n    lodash.lowerFirst = lowerFirst;\n    lodash.lt = lt;\n    lodash.lte = lte;\n    lodash.max = max;\n    lodash.maxBy = maxBy;\n    lodash.mean = mean;\n    lodash.meanBy = meanBy;\n    lodash.min = min;\n    lodash.minBy = minBy;\n    lodash.stubArray = stubArray;\n    lodash.stubFalse = stubFalse;\n    lodash.stubObject = stubObject;\n    lodash.stubString = stubString;\n    lodash.stubTrue = stubTrue;\n    lodash.multiply = multiply;\n    lodash.nth = nth;\n    lodash.noConflict = noConflict;\n    lodash.noop = noop;\n    lodash.now = now;\n    lodash.pad = pad;\n    lodash.padEnd = padEnd;\n    lodash.padStart = padStart;\n    lodash.parseInt = parseInt;\n    lodash.random = random;\n    lodash.reduce = reduce;\n    lodash.reduceRight = reduceRight;\n    lodash.repeat = repeat;\n    lodash.replace = replace;\n    lodash.result = result;\n    lodash.round = round;\n    lodash.runInContext = runInContext;\n    lodash.sample = sample;\n    lodash.size = size;\n    lodash.snakeCase = snakeCase;\n    lodash.some = some;\n    lodash.sortedIndex = sortedIndex;\n    lodash.sortedIndexBy = sortedIndexBy;\n    lodash.sortedIndexOf = sortedIndexOf;\n    lodash.sortedLastIndex = sortedLastIndex;\n    lodash.sortedLastIndexBy = sortedLastIndexBy;\n    lodash.sortedLastIndexOf = sortedLastIndexOf;\n    lodash.startCase = startCase;\n    lodash.startsWith = startsWith;\n    lodash.subtract = subtract;\n    lodash.sum = sum;\n    lodash.sumBy = sumBy;\n    lodash.template = template;\n    lodash.times = times;\n    lodash.toFinite = toFinite;\n    lodash.toInteger = toInteger;\n    lodash.toLength = toLength;\n    lodash.toLower = toLower;\n    lodash.toNumber = toNumber;\n    lodash.toSafeInteger = toSafeInteger;\n    lodash.toString = toString;\n    lodash.toUpper = toUpper;\n    lodash.trim = trim;\n    lodash.trimEnd = trimEnd;\n    lodash.trimStart = trimStart;\n    lodash.truncate = truncate;\n    lodash.unescape = unescape;\n    lodash.uniqueId = uniqueId;\n    lodash.upperCase = upperCase;\n    lodash.upperFirst = upperFirst;\n\n    // Add aliases.\n    lodash.each = forEach;\n    lodash.eachRight = forEachRight;\n    lodash.first = head;\n\n    mixin(lodash, (function() {\n      var source = {};\n      baseForOwn(lodash, function(func, methodName) {\n        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n          source[methodName] = func;\n        }\n      });\n      return source;\n    }()), { 'chain': false });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The semantic version number.\n     *\n     * @static\n     * @memberOf _\n     * @type {string}\n     */\n    lodash.VERSION = VERSION;\n\n    // Assign default placeholders.\n    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n      lodash[methodName].placeholder = lodash;\n    });\n\n    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n    arrayEach(['drop', 'take'], function(methodName, index) {\n      LazyWrapper.prototype[methodName] = function(n) {\n        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\n        var result = (this.__filtered__ && !index)\n          ? new LazyWrapper(this)\n          : this.clone();\n\n        if (result.__filtered__) {\n          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n        } else {\n          result.__views__.push({\n            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n          });\n        }\n        return result;\n      };\n\n      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n        return this.reverse()[methodName](n).reverse();\n      };\n    });\n\n    // Add `LazyWrapper` methods that accept an `iteratee` value.\n    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n      var type = index + 1,\n          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\n      LazyWrapper.prototype[methodName] = function(iteratee) {\n        var result = this.clone();\n        result.__iteratees__.push({\n          'iteratee': getIteratee(iteratee, 3),\n          'type': type\n        });\n        result.__filtered__ = result.__filtered__ || isFilter;\n        return result;\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n    arrayEach(['head', 'last'], function(methodName, index) {\n      var takeName = 'take' + (index ? 'Right' : '');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this[takeName](1).value()[0];\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n    arrayEach(['initial', 'tail'], function(methodName, index) {\n      var dropName = 'drop' + (index ? '' : 'Right');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n      };\n    });\n\n    LazyWrapper.prototype.compact = function() {\n      return this.filter(identity);\n    };\n\n    LazyWrapper.prototype.find = function(predicate) {\n      return this.filter(predicate).head();\n    };\n\n    LazyWrapper.prototype.findLast = function(predicate) {\n      return this.reverse().find(predicate);\n    };\n\n    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n      if (typeof path == 'function') {\n        return new LazyWrapper(this);\n      }\n      return this.map(function(value) {\n        return baseInvoke(value, path, args);\n      });\n    });\n\n    LazyWrapper.prototype.reject = function(predicate) {\n      return this.filter(negate(getIteratee(predicate)));\n    };\n\n    LazyWrapper.prototype.slice = function(start, end) {\n      start = toInteger(start);\n\n      var result = this;\n      if (result.__filtered__ && (start > 0 || end < 0)) {\n        return new LazyWrapper(result);\n      }\n      if (start < 0) {\n        result = result.takeRight(-start);\n      } else if (start) {\n        result = result.drop(start);\n      }\n      if (end !== undefined) {\n        end = toInteger(end);\n        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n      }\n      return result;\n    };\n\n    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n      return this.reverse().takeWhile(predicate).reverse();\n    };\n\n    LazyWrapper.prototype.toArray = function() {\n      return this.take(MAX_ARRAY_LENGTH);\n    };\n\n    // Add `LazyWrapper` methods to `lodash.prototype`.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n          isTaker = /^(?:head|last)$/.test(methodName),\n          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n          retUnwrapped = isTaker || /^find/.test(methodName);\n\n      if (!lodashFunc) {\n        return;\n      }\n      lodash.prototype[methodName] = function() {\n        var value = this.__wrapped__,\n            args = isTaker ? [1] : arguments,\n            isLazy = value instanceof LazyWrapper,\n            iteratee = args[0],\n            useLazy = isLazy || isArray(value);\n\n        var interceptor = function(value) {\n          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n          return (isTaker && chainAll) ? result[0] : result;\n        };\n\n        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n          isLazy = useLazy = false;\n        }\n        var chainAll = this.__chain__,\n            isHybrid = !!this.__actions__.length,\n            isUnwrapped = retUnwrapped && !chainAll,\n            onlyLazy = isLazy && !isHybrid;\n\n        if (!retUnwrapped && useLazy) {\n          value = onlyLazy ? value : new LazyWrapper(this);\n          var result = func.apply(value, args);\n          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n          return new LodashWrapper(result, chainAll);\n        }\n        if (isUnwrapped && onlyLazy) {\n          return func.apply(this, args);\n        }\n        result = this.thru(interceptor);\n        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n      };\n    });\n\n    // Add `Array` methods to `lodash.prototype`.\n    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n      var func = arrayProto[methodName],\n          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\n      lodash.prototype[methodName] = function() {\n        var args = arguments;\n        if (retUnwrapped && !this.__chain__) {\n          var value = this.value();\n          return func.apply(isArray(value) ? value : [], args);\n        }\n        return this[chainName](function(value) {\n          return func.apply(isArray(value) ? value : [], args);\n        });\n      };\n    });\n\n    // Map minified method names to their real names.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var lodashFunc = lodash[methodName];\n      if (lodashFunc) {\n        var key = (lodashFunc.name + ''),\n            names = realNames[key] || (realNames[key] = []);\n\n        names.push({ 'name': methodName, 'func': lodashFunc });\n      }\n    });\n\n    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n      'name': 'wrapper',\n      'func': undefined\n    }];\n\n    // Add methods to `LazyWrapper`.\n    LazyWrapper.prototype.clone = lazyClone;\n    LazyWrapper.prototype.reverse = lazyReverse;\n    LazyWrapper.prototype.value = lazyValue;\n\n    // Add chain sequence methods to the `lodash` wrapper.\n    lodash.prototype.at = wrapperAt;\n    lodash.prototype.chain = wrapperChain;\n    lodash.prototype.commit = wrapperCommit;\n    lodash.prototype.next = wrapperNext;\n    lodash.prototype.plant = wrapperPlant;\n    lodash.prototype.reverse = wrapperReverse;\n    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\n    // Add lazy aliases.\n    lodash.prototype.first = lodash.prototype.head;\n\n    if (symIterator) {\n      lodash.prototype[symIterator] = wrapperToIterator;\n    }\n    return lodash;\n  });\n\n  /*--------------------------------------------------------------------------*/\n\n  // Export lodash.\n  var _ = runInContext();\n\n  // Some AMD build optimizers, like r.js, check for condition patterns like:\n  if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {\n    // Expose Lodash on the global object to prevent errors when Lodash is\n    // loaded by a script tag in the presence of an AMD loader.\n    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n    // Use `_.noConflict` to remove Lodash from the global object.\n    root._ = _;\n\n    // Define as an anonymous module so, through path mapping, it can be\n    // referenced as the \"underscore\" module.\n    define(function() {\n      return _;\n    });\n  }\n  // Check for `exports` after `define` in case a build optimizer adds it.\n  else if (freeModule) {\n    // Export for Node.js.\n    (freeModule.exports = _)._ = _;\n    // Export for CommonJS support.\n    freeExports._ = _;\n  }\n  else {\n    // Export to the global object.\n    root._ = _;\n  }\n}.call(this));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/lodash/lodash.js\n// module id = 96\n// module chunks = 0","module.exports = { \"default\": require(\"core-js/library/fn/object/create\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/core-js/object/create.js\n// module id = 97\n// module chunks = 0","module.exports = { \"default\": require(\"core-js/library/fn/object/define-property\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/core-js/object/define-property.js\n// module id = 98\n// module chunks = 0","module.exports = { \"default\": require(\"core-js/library/fn/object/get-prototype-of\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/core-js/object/get-prototype-of.js\n// module id = 99\n// module chunks = 0","module.exports = { \"default\": require(\"core-js/library/fn/object/set-prototype-of\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/core-js/object/set-prototype-of.js\n// module id = 100\n// module chunks = 0","module.exports = { \"default\": require(\"core-js/library/fn/symbol\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/core-js/symbol.js\n// module id = 101\n// module chunks = 0","module.exports = { \"default\": require(\"core-js/library/fn/symbol/iterator\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/core-js/symbol/iterator.js\n// module id = 102\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nvar _setPrototypeOf = require(\"../core-js/object/set-prototype-of\");\n\nvar _setPrototypeOf2 = _interopRequireDefault(_setPrototypeOf);\n\nvar _create = require(\"../core-js/object/create\");\n\nvar _create2 = _interopRequireDefault(_create);\n\nvar _typeof2 = require(\"../helpers/typeof\");\n\nvar _typeof3 = _interopRequireDefault(_typeof2);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function (subClass, superClass) {\n  if (typeof superClass !== \"function\" && superClass !== null) {\n    throw new TypeError(\"Super expression must either be null or a function, not \" + (typeof superClass === \"undefined\" ? \"undefined\" : (0, _typeof3.default)(superClass)));\n  }\n\n  subClass.prototype = (0, _create2.default)(superClass && superClass.prototype, {\n    constructor: {\n      value: subClass,\n      enumerable: false,\n      writable: true,\n      configurable: true\n    }\n  });\n  if (superClass) _setPrototypeOf2.default ? (0, _setPrototypeOf2.default)(subClass, superClass) : subClass.__proto__ = superClass;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/helpers/inherits.js\n// module id = 103\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nvar _typeof2 = require(\"../helpers/typeof\");\n\nvar _typeof3 = _interopRequireDefault(_typeof2);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function (self, call) {\n  if (!self) {\n    throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n  }\n\n  return call && ((typeof call === \"undefined\" ? \"undefined\" : (0, _typeof3.default)(call)) === \"object\" || typeof call === \"function\") ? call : self;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/helpers/possibleConstructorReturn.js\n// module id = 104\n// module chunks = 0","require('../../modules/es6.object.create');\nvar $Object = require('../../modules/_core').Object;\nmodule.exports = function create(P, D){\n  return $Object.create(P, D);\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/fn/object/create.js\n// module id = 105\n// module chunks = 0","require('../../modules/es6.object.define-property');\nvar $Object = require('../../modules/_core').Object;\nmodule.exports = function defineProperty(it, key, desc){\n  return $Object.defineProperty(it, key, desc);\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/fn/object/define-property.js\n// module id = 106\n// module chunks = 0","require('../../modules/es6.object.get-prototype-of');\nmodule.exports = require('../../modules/_core').Object.getPrototypeOf;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/fn/object/get-prototype-of.js\n// module id = 107\n// module chunks = 0","require('../../modules/es6.object.set-prototype-of');\nmodule.exports = require('../../modules/_core').Object.setPrototypeOf;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/fn/object/set-prototype-of.js\n// module id = 108\n// module chunks = 0","require('../../modules/es6.symbol');\nrequire('../../modules/es6.object.to-string');\nrequire('../../modules/es7.symbol.async-iterator');\nrequire('../../modules/es7.symbol.observable');\nmodule.exports = require('../../modules/_core').Symbol;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/fn/symbol/index.js\n// module id = 109\n// module chunks = 0","require('../../modules/es6.string.iterator');\nrequire('../../modules/web.dom.iterable');\nmodule.exports = require('../../modules/_wks-ext').f('iterator');\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/fn/symbol/iterator.js\n// module id = 110\n// module chunks = 0","module.exports = function(it){\n  if(typeof it != 'function')throw TypeError(it + ' is not a function!');\n  return it;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_a-function.js\n// module id = 111\n// module chunks = 0","module.exports = function(){ /* empty */ };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_add-to-unscopables.js\n// module id = 112\n// module chunks = 0","// false -> Array#indexOf\n// true  -> Array#includes\nvar toIObject = require('./_to-iobject')\n  , toLength  = require('./_to-length')\n  , toIndex   = require('./_to-index');\nmodule.exports = function(IS_INCLUDES){\n  return function($this, el, fromIndex){\n    var O      = toIObject($this)\n      , length = toLength(O.length)\n      , index  = toIndex(fromIndex, length)\n      , value;\n    // Array#includes uses SameValueZero equality algorithm\n    if(IS_INCLUDES && el != el)while(length > index){\n      value = O[index++];\n      if(value != value)return true;\n    // Array#toIndex ignores holes, Array#includes - not\n    } else for(;length > index; index++)if(IS_INCLUDES || index in O){\n      if(O[index] === el)return IS_INCLUDES || index || 0;\n    } return !IS_INCLUDES && -1;\n  };\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_array-includes.js\n// module id = 113\n// module chunks = 0","// all enumerable object keys, includes symbols\nvar getKeys = require('./_object-keys')\n  , gOPS    = require('./_object-gops')\n  , pIE     = require('./_object-pie');\nmodule.exports = function(it){\n  var result     = getKeys(it)\n    , getSymbols = gOPS.f;\n  if(getSymbols){\n    var symbols = getSymbols(it)\n      , isEnum  = pIE.f\n      , i       = 0\n      , key;\n    while(symbols.length > i)if(isEnum.call(it, key = symbols[i++]))result.push(key);\n  } return result;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_enum-keys.js\n// module id = 114\n// module chunks = 0","module.exports = require('./_global').document && document.documentElement;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_html.js\n// module id = 115\n// module chunks = 0","// fallback for non-array-like ES3 and non-enumerable old V8 strings\nvar cof = require('./_cof');\nmodule.exports = Object('z').propertyIsEnumerable(0) ? Object : function(it){\n  return cof(it) == 'String' ? it.split('') : Object(it);\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_iobject.js\n// module id = 116\n// module chunks = 0","// 7.2.2 IsArray(argument)\nvar cof = require('./_cof');\nmodule.exports = Array.isArray || function isArray(arg){\n  return cof(arg) == 'Array';\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_is-array.js\n// module id = 117\n// module chunks = 0","'use strict';\nvar create         = require('./_object-create')\n  , descriptor     = require('./_property-desc')\n  , setToStringTag = require('./_set-to-string-tag')\n  , IteratorPrototype = {};\n\n// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()\nrequire('./_hide')(IteratorPrototype, require('./_wks')('iterator'), function(){ return this; });\n\nmodule.exports = function(Constructor, NAME, next){\n  Constructor.prototype = create(IteratorPrototype, {next: descriptor(1, next)});\n  setToStringTag(Constructor, NAME + ' Iterator');\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_iter-create.js\n// module id = 118\n// module chunks = 0","module.exports = function(done, value){\n  return {value: value, done: !!done};\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_iter-step.js\n// module id = 119\n// module chunks = 0","var getKeys   = require('./_object-keys')\n  , toIObject = require('./_to-iobject');\nmodule.exports = function(object, el){\n  var O      = toIObject(object)\n    , keys   = getKeys(O)\n    , length = keys.length\n    , index  = 0\n    , key;\n  while(length > index)if(O[key = keys[index++]] === el)return key;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_keyof.js\n// module id = 120\n// module chunks = 0","var META     = require('./_uid')('meta')\n  , isObject = require('./_is-object')\n  , has      = require('./_has')\n  , setDesc  = require('./_object-dp').f\n  , id       = 0;\nvar isExtensible = Object.isExtensible || function(){\n  return true;\n};\nvar FREEZE = !require('./_fails')(function(){\n  return isExtensible(Object.preventExtensions({}));\n});\nvar setMeta = function(it){\n  setDesc(it, META, {value: {\n    i: 'O' + ++id, // object ID\n    w: {}          // weak collections IDs\n  }});\n};\nvar fastKey = function(it, create){\n  // return primitive with prefix\n  if(!isObject(it))return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;\n  if(!has(it, META)){\n    // can't set metadata to uncaught frozen object\n    if(!isExtensible(it))return 'F';\n    // not necessary to add metadata\n    if(!create)return 'E';\n    // add missing metadata\n    setMeta(it);\n  // return object ID\n  } return it[META].i;\n};\nvar getWeak = function(it, create){\n  if(!has(it, META)){\n    // can't set metadata to uncaught frozen object\n    if(!isExtensible(it))return true;\n    // not necessary to add metadata\n    if(!create)return false;\n    // add missing metadata\n    setMeta(it);\n  // return hash weak collections IDs\n  } return it[META].w;\n};\n// add metadata on freeze-family methods calling\nvar onFreeze = function(it){\n  if(FREEZE && meta.NEED && isExtensible(it) && !has(it, META))setMeta(it);\n  return it;\n};\nvar meta = module.exports = {\n  KEY:      META,\n  NEED:     false,\n  fastKey:  fastKey,\n  getWeak:  getWeak,\n  onFreeze: onFreeze\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_meta.js\n// module id = 121\n// module chunks = 0","var dP       = require('./_object-dp')\n  , anObject = require('./_an-object')\n  , getKeys  = require('./_object-keys');\n\nmodule.exports = require('./_descriptors') ? Object.defineProperties : function defineProperties(O, Properties){\n  anObject(O);\n  var keys   = getKeys(Properties)\n    , length = keys.length\n    , i = 0\n    , P;\n  while(length > i)dP.f(O, P = keys[i++], Properties[P]);\n  return O;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-dps.js\n// module id = 122\n// module chunks = 0","// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window\nvar toIObject = require('./_to-iobject')\n  , gOPN      = require('./_object-gopn').f\n  , toString  = {}.toString;\n\nvar windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames\n  ? Object.getOwnPropertyNames(window) : [];\n\nvar getWindowNames = function(it){\n  try {\n    return gOPN(it);\n  } catch(e){\n    return windowNames.slice();\n  }\n};\n\nmodule.exports.f = function getOwnPropertyNames(it){\n  return windowNames && toString.call(it) == '[object Window]' ? getWindowNames(it) : gOPN(toIObject(it));\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-gopn-ext.js\n// module id = 123\n// module chunks = 0","// most Object methods by ES6 should accept primitives\nvar $export = require('./_export')\n  , core    = require('./_core')\n  , fails   = require('./_fails');\nmodule.exports = function(KEY, exec){\n  var fn  = (core.Object || {})[KEY] || Object[KEY]\n    , exp = {};\n  exp[KEY] = exec(fn);\n  $export($export.S + $export.F * fails(function(){ fn(1); }), 'Object', exp);\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-sap.js\n// module id = 124\n// module chunks = 0","// Works with __proto__ only. Old v8 can't work with null proto objects.\n/* eslint-disable no-proto */\nvar isObject = require('./_is-object')\n  , anObject = require('./_an-object');\nvar check = function(O, proto){\n  anObject(O);\n  if(!isObject(proto) && proto !== null)throw TypeError(proto + \": can't set as prototype!\");\n};\nmodule.exports = {\n  set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line\n    function(test, buggy, set){\n      try {\n        set = require('./_ctx')(Function.call, require('./_object-gopd').f(Object.prototype, '__proto__').set, 2);\n        set(test, []);\n        buggy = !(test instanceof Array);\n      } catch(e){ buggy = true; }\n      return function setPrototypeOf(O, proto){\n        check(O, proto);\n        if(buggy)O.__proto__ = proto;\n        else set(O, proto);\n        return O;\n      };\n    }({}, false) : undefined),\n  check: check\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_set-proto.js\n// module id = 125\n// module chunks = 0","var toInteger = require('./_to-integer')\n  , defined   = require('./_defined');\n// true  -> String#at\n// false -> String#codePointAt\nmodule.exports = function(TO_STRING){\n  return function(that, pos){\n    var s = String(defined(that))\n      , i = toInteger(pos)\n      , l = s.length\n      , a, b;\n    if(i < 0 || i >= l)return TO_STRING ? '' : undefined;\n    a = s.charCodeAt(i);\n    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff\n      ? TO_STRING ? s.charAt(i) : a\n      : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;\n  };\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_string-at.js\n// module id = 126\n// module chunks = 0","var toInteger = require('./_to-integer')\n  , max       = Math.max\n  , min       = Math.min;\nmodule.exports = function(index, length){\n  index = toInteger(index);\n  return index < 0 ? max(index + length, 0) : min(index, length);\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_to-index.js\n// module id = 127\n// module chunks = 0","// 7.1.15 ToLength\nvar toInteger = require('./_to-integer')\n  , min       = Math.min;\nmodule.exports = function(it){\n  return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_to-length.js\n// module id = 128\n// module chunks = 0","'use strict';\nvar addToUnscopables = require('./_add-to-unscopables')\n  , step             = require('./_iter-step')\n  , Iterators        = require('./_iterators')\n  , toIObject        = require('./_to-iobject');\n\n// 22.1.3.4 Array.prototype.entries()\n// 22.1.3.13 Array.prototype.keys()\n// 22.1.3.29 Array.prototype.values()\n// 22.1.3.30 Array.prototype[@@iterator]()\nmodule.exports = require('./_iter-define')(Array, 'Array', function(iterated, kind){\n  this._t = toIObject(iterated); // target\n  this._i = 0;                   // next index\n  this._k = kind;                // kind\n// 22.1.5.2.1 %ArrayIteratorPrototype%.next()\n}, function(){\n  var O     = this._t\n    , kind  = this._k\n    , index = this._i++;\n  if(!O || index >= O.length){\n    this._t = undefined;\n    return step(1);\n  }\n  if(kind == 'keys'  )return step(0, index);\n  if(kind == 'values')return step(0, O[index]);\n  return step(0, [index, O[index]]);\n}, 'values');\n\n// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)\nIterators.Arguments = Iterators.Array;\n\naddToUnscopables('keys');\naddToUnscopables('values');\naddToUnscopables('entries');\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/es6.array.iterator.js\n// module id = 129\n// module chunks = 0","var $export = require('./_export')\n// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\n$export($export.S, 'Object', {create: require('./_object-create')});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/es6.object.create.js\n// module id = 130\n// module chunks = 0","var $export = require('./_export');\n// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n$export($export.S + $export.F * !require('./_descriptors'), 'Object', {defineProperty: require('./_object-dp').f});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/es6.object.define-property.js\n// module id = 131\n// module chunks = 0","// 19.1.2.9 Object.getPrototypeOf(O)\nvar toObject        = require('./_to-object')\n  , $getPrototypeOf = require('./_object-gpo');\n\nrequire('./_object-sap')('getPrototypeOf', function(){\n  return function getPrototypeOf(it){\n    return $getPrototypeOf(toObject(it));\n  };\n});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/es6.object.get-prototype-of.js\n// module id = 132\n// module chunks = 0","// 19.1.3.19 Object.setPrototypeOf(O, proto)\nvar $export = require('./_export');\n$export($export.S, 'Object', {setPrototypeOf: require('./_set-proto').set});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/es6.object.set-prototype-of.js\n// module id = 133\n// module chunks = 0","'use strict';\nvar $at  = require('./_string-at')(true);\n\n// 21.1.3.27 String.prototype[@@iterator]()\nrequire('./_iter-define')(String, 'String', function(iterated){\n  this._t = String(iterated); // target\n  this._i = 0;                // next index\n// 21.1.5.2.1 %StringIteratorPrototype%.next()\n}, function(){\n  var O     = this._t\n    , index = this._i\n    , point;\n  if(index >= O.length)return {value: undefined, done: true};\n  point = $at(O, index);\n  this._i += point.length;\n  return {value: point, done: false};\n});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/es6.string.iterator.js\n// module id = 135\n// module chunks = 0","'use strict';\n// ECMAScript 6 symbols shim\nvar global         = require('./_global')\n  , has            = require('./_has')\n  , DESCRIPTORS    = require('./_descriptors')\n  , $export        = require('./_export')\n  , redefine       = require('./_redefine')\n  , META           = require('./_meta').KEY\n  , $fails         = require('./_fails')\n  , shared         = require('./_shared')\n  , setToStringTag = require('./_set-to-string-tag')\n  , uid            = require('./_uid')\n  , wks            = require('./_wks')\n  , wksExt         = require('./_wks-ext')\n  , wksDefine      = require('./_wks-define')\n  , keyOf          = require('./_keyof')\n  , enumKeys       = require('./_enum-keys')\n  , isArray        = require('./_is-array')\n  , anObject       = require('./_an-object')\n  , toIObject      = require('./_to-iobject')\n  , toPrimitive    = require('./_to-primitive')\n  , createDesc     = require('./_property-desc')\n  , _create        = require('./_object-create')\n  , gOPNExt        = require('./_object-gopn-ext')\n  , $GOPD          = require('./_object-gopd')\n  , $DP            = require('./_object-dp')\n  , $keys          = require('./_object-keys')\n  , gOPD           = $GOPD.f\n  , dP             = $DP.f\n  , gOPN           = gOPNExt.f\n  , $Symbol        = global.Symbol\n  , $JSON          = global.JSON\n  , _stringify     = $JSON && $JSON.stringify\n  , PROTOTYPE      = 'prototype'\n  , HIDDEN         = wks('_hidden')\n  , TO_PRIMITIVE   = wks('toPrimitive')\n  , isEnum         = {}.propertyIsEnumerable\n  , SymbolRegistry = shared('symbol-registry')\n  , AllSymbols     = shared('symbols')\n  , OPSymbols      = shared('op-symbols')\n  , ObjectProto    = Object[PROTOTYPE]\n  , USE_NATIVE     = typeof $Symbol == 'function'\n  , QObject        = global.QObject;\n// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173\nvar setter = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;\n\n// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687\nvar setSymbolDesc = DESCRIPTORS && $fails(function(){\n  return _create(dP({}, 'a', {\n    get: function(){ return dP(this, 'a', {value: 7}).a; }\n  })).a != 7;\n}) ? function(it, key, D){\n  var protoDesc = gOPD(ObjectProto, key);\n  if(protoDesc)delete ObjectProto[key];\n  dP(it, key, D);\n  if(protoDesc && it !== ObjectProto)dP(ObjectProto, key, protoDesc);\n} : dP;\n\nvar wrap = function(tag){\n  var sym = AllSymbols[tag] = _create($Symbol[PROTOTYPE]);\n  sym._k = tag;\n  return sym;\n};\n\nvar isSymbol = USE_NATIVE && typeof $Symbol.iterator == 'symbol' ? function(it){\n  return typeof it == 'symbol';\n} : function(it){\n  return it instanceof $Symbol;\n};\n\nvar $defineProperty = function defineProperty(it, key, D){\n  if(it === ObjectProto)$defineProperty(OPSymbols, key, D);\n  anObject(it);\n  key = toPrimitive(key, true);\n  anObject(D);\n  if(has(AllSymbols, key)){\n    if(!D.enumerable){\n      if(!has(it, HIDDEN))dP(it, HIDDEN, createDesc(1, {}));\n      it[HIDDEN][key] = true;\n    } else {\n      if(has(it, HIDDEN) && it[HIDDEN][key])it[HIDDEN][key] = false;\n      D = _create(D, {enumerable: createDesc(0, false)});\n    } return setSymbolDesc(it, key, D);\n  } return dP(it, key, D);\n};\nvar $defineProperties = function defineProperties(it, P){\n  anObject(it);\n  var keys = enumKeys(P = toIObject(P))\n    , i    = 0\n    , l = keys.length\n    , key;\n  while(l > i)$defineProperty(it, key = keys[i++], P[key]);\n  return it;\n};\nvar $create = function create(it, P){\n  return P === undefined ? _create(it) : $defineProperties(_create(it), P);\n};\nvar $propertyIsEnumerable = function propertyIsEnumerable(key){\n  var E = isEnum.call(this, key = toPrimitive(key, true));\n  if(this === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key))return false;\n  return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key] ? E : true;\n};\nvar $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key){\n  it  = toIObject(it);\n  key = toPrimitive(key, true);\n  if(it === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key))return;\n  var D = gOPD(it, key);\n  if(D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key]))D.enumerable = true;\n  return D;\n};\nvar $getOwnPropertyNames = function getOwnPropertyNames(it){\n  var names  = gOPN(toIObject(it))\n    , result = []\n    , i      = 0\n    , key;\n  while(names.length > i){\n    if(!has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META)result.push(key);\n  } return result;\n};\nvar $getOwnPropertySymbols = function getOwnPropertySymbols(it){\n  var IS_OP  = it === ObjectProto\n    , names  = gOPN(IS_OP ? OPSymbols : toIObject(it))\n    , result = []\n    , i      = 0\n    , key;\n  while(names.length > i){\n    if(has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectProto, key) : true))result.push(AllSymbols[key]);\n  } return result;\n};\n\n// 19.4.1.1 Symbol([description])\nif(!USE_NATIVE){\n  $Symbol = function Symbol(){\n    if(this instanceof $Symbol)throw TypeError('Symbol is not a constructor!');\n    var tag = uid(arguments.length > 0 ? arguments[0] : undefined);\n    var $set = function(value){\n      if(this === ObjectProto)$set.call(OPSymbols, value);\n      if(has(this, HIDDEN) && has(this[HIDDEN], tag))this[HIDDEN][tag] = false;\n      setSymbolDesc(this, tag, createDesc(1, value));\n    };\n    if(DESCRIPTORS && setter)setSymbolDesc(ObjectProto, tag, {configurable: true, set: $set});\n    return wrap(tag);\n  };\n  redefine($Symbol[PROTOTYPE], 'toString', function toString(){\n    return this._k;\n  });\n\n  $GOPD.f = $getOwnPropertyDescriptor;\n  $DP.f   = $defineProperty;\n  require('./_object-gopn').f = gOPNExt.f = $getOwnPropertyNames;\n  require('./_object-pie').f  = $propertyIsEnumerable;\n  require('./_object-gops').f = $getOwnPropertySymbols;\n\n  if(DESCRIPTORS && !require('./_library')){\n    redefine(ObjectProto, 'propertyIsEnumerable', $propertyIsEnumerable, true);\n  }\n\n  wksExt.f = function(name){\n    return wrap(wks(name));\n  }\n}\n\n$export($export.G + $export.W + $export.F * !USE_NATIVE, {Symbol: $Symbol});\n\nfor(var symbols = (\n  // 19.4.2.2, 19.4.2.3, 19.4.2.4, 19.4.2.6, 19.4.2.8, 19.4.2.9, 19.4.2.10, 19.4.2.11, 19.4.2.12, 19.4.2.13, 19.4.2.14\n  'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'\n).split(','), i = 0; symbols.length > i; )wks(symbols[i++]);\n\nfor(var symbols = $keys(wks.store), i = 0; symbols.length > i; )wksDefine(symbols[i++]);\n\n$export($export.S + $export.F * !USE_NATIVE, 'Symbol', {\n  // 19.4.2.1 Symbol.for(key)\n  'for': function(key){\n    return has(SymbolRegistry, key += '')\n      ? SymbolRegistry[key]\n      : SymbolRegistry[key] = $Symbol(key);\n  },\n  // 19.4.2.5 Symbol.keyFor(sym)\n  keyFor: function keyFor(key){\n    if(isSymbol(key))return keyOf(SymbolRegistry, key);\n    throw TypeError(key + ' is not a symbol!');\n  },\n  useSetter: function(){ setter = true; },\n  useSimple: function(){ setter = false; }\n});\n\n$export($export.S + $export.F * !USE_NATIVE, 'Object', {\n  // 19.1.2.2 Object.create(O [, Properties])\n  create: $create,\n  // 19.1.2.4 Object.defineProperty(O, P, Attributes)\n  defineProperty: $defineProperty,\n  // 19.1.2.3 Object.defineProperties(O, Properties)\n  defineProperties: $defineProperties,\n  // 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)\n  getOwnPropertyDescriptor: $getOwnPropertyDescriptor,\n  // 19.1.2.7 Object.getOwnPropertyNames(O)\n  getOwnPropertyNames: $getOwnPropertyNames,\n  // 19.1.2.8 Object.getOwnPropertySymbols(O)\n  getOwnPropertySymbols: $getOwnPropertySymbols\n});\n\n// 24.3.2 JSON.stringify(value [, replacer [, space]])\n$JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function(){\n  var S = $Symbol();\n  // MS Edge converts symbol values to JSON as {}\n  // WebKit converts symbol values to JSON as null\n  // V8 throws on boxed symbols\n  return _stringify([S]) != '[null]' || _stringify({a: S}) != '{}' || _stringify(Object(S)) != '{}';\n})), 'JSON', {\n  stringify: function stringify(it){\n    if(it === undefined || isSymbol(it))return; // IE8 returns string on undefined\n    var args = [it]\n      , i    = 1\n      , replacer, $replacer;\n    while(arguments.length > i)args.push(arguments[i++]);\n    replacer = args[1];\n    if(typeof replacer == 'function')$replacer = replacer;\n    if($replacer || !isArray(replacer))replacer = function(key, value){\n      if($replacer)value = $replacer.call(this, key, value);\n      if(!isSymbol(value))return value;\n    };\n    args[1] = replacer;\n    return _stringify.apply($JSON, args);\n  }\n});\n\n// 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)\n$Symbol[PROTOTYPE][TO_PRIMITIVE] || require('./_hide')($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);\n// 19.4.3.5 Symbol.prototype[@@toStringTag]\nsetToStringTag($Symbol, 'Symbol');\n// 20.2.1.9 Math[@@toStringTag]\nsetToStringTag(Math, 'Math', true);\n// 24.3.3 JSON[@@toStringTag]\nsetToStringTag(global.JSON, 'JSON', true);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/es6.symbol.js\n// module id = 136\n// module chunks = 0","require('./_wks-define')('asyncIterator');\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/es7.symbol.async-iterator.js\n// module id = 137\n// module chunks = 0","require('./_wks-define')('observable');\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/es7.symbol.observable.js\n// module id = 138\n// module chunks = 0","require('./es6.array.iterator');\nvar global        = require('./_global')\n  , hide          = require('./_hide')\n  , Iterators     = require('./_iterators')\n  , TO_STRING_TAG = require('./_wks')('toStringTag');\n\nfor(var collections = ['NodeList', 'DOMTokenList', 'MediaList', 'StyleSheetList', 'CSSRuleList'], i = 0; i < 5; i++){\n  var NAME       = collections[i]\n    , Collection = global[NAME]\n    , proto      = Collection && Collection.prototype;\n  if(proto && !proto[TO_STRING_TAG])hide(proto, TO_STRING_TAG, NAME);\n  Iterators[NAME] = Iterators.Array;\n}\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/web.dom.iterable.js\n// module id = 139\n// module chunks = 0","module.exports = { \"default\": require(\"core-js/library/fn/object/define-property\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/babel-runtime/core-js/object/define-property.js\n// module id = 140\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nexports.default = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/babel-runtime/helpers/classCallCheck.js\n// module id = 141\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nvar _defineProperty = require(\"../core-js/object/define-property\");\n\nvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function () {\n  function defineProperties(target, props) {\n    for (var i = 0; i < props.length; i++) {\n      var descriptor = props[i];\n      descriptor.enumerable = descriptor.enumerable || false;\n      descriptor.configurable = true;\n      if (\"value\" in descriptor) descriptor.writable = true;\n      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n    }\n  }\n\n  return function (Constructor, protoProps, staticProps) {\n    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n    if (staticProps) defineProperties(Constructor, staticProps);\n    return Constructor;\n  };\n}();\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/babel-runtime/helpers/createClass.js\n// module id = 142\n// module chunks = 0","require('../../modules/es6.object.define-property');\nvar $Object = require('../../modules/_core').Object;\nmodule.exports = function defineProperty(it, key, desc){\n  return $Object.defineProperty(it, key, desc);\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/fn/object/define-property.js\n// module id = 143\n// module chunks = 0","module.exports = function(it){\n  if(typeof it != 'function')throw TypeError(it + ' is not a function!');\n  return it;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_a-function.js\n// module id = 144\n// module chunks = 0","var isObject = require('./_is-object');\nmodule.exports = function(it){\n  if(!isObject(it))throw TypeError(it + ' is not an object!');\n  return it;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_an-object.js\n// module id = 145\n// module chunks = 0","// optional / simple context binding\nvar aFunction = require('./_a-function');\nmodule.exports = function(fn, that, length){\n  aFunction(fn);\n  if(that === undefined)return fn;\n  switch(length){\n    case 1: return function(a){\n      return fn.call(that, a);\n    };\n    case 2: return function(a, b){\n      return fn.call(that, a, b);\n    };\n    case 3: return function(a, b, c){\n      return fn.call(that, a, b, c);\n    };\n  }\n  return function(/* ...args */){\n    return fn.apply(that, arguments);\n  };\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_ctx.js\n// module id = 146\n// module chunks = 0","var isObject = require('./_is-object')\n  , document = require('./_global').document\n  // in old IE typeof document.createElement is 'object'\n  , is = isObject(document) && isObject(document.createElement);\nmodule.exports = function(it){\n  return is ? document.createElement(it) : {};\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_dom-create.js\n// module id = 147\n// module chunks = 0","var global    = require('./_global')\n  , core      = require('./_core')\n  , ctx       = require('./_ctx')\n  , hide      = require('./_hide')\n  , PROTOTYPE = 'prototype';\n\nvar $export = function(type, name, source){\n  var IS_FORCED = type & $export.F\n    , IS_GLOBAL = type & $export.G\n    , IS_STATIC = type & $export.S\n    , IS_PROTO  = type & $export.P\n    , IS_BIND   = type & $export.B\n    , IS_WRAP   = type & $export.W\n    , exports   = IS_GLOBAL ? core : core[name] || (core[name] = {})\n    , expProto  = exports[PROTOTYPE]\n    , target    = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE]\n    , key, own, out;\n  if(IS_GLOBAL)source = name;\n  for(key in source){\n    // contains in native\n    own = !IS_FORCED && target && target[key] !== undefined;\n    if(own && key in exports)continue;\n    // export native or passed\n    out = own ? target[key] : source[key];\n    // prevent global pollution for namespaces\n    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n    // bind timers to global for call from export context\n    : IS_BIND && own ? ctx(out, global)\n    // wrap global constructors for prevent change them in library\n    : IS_WRAP && target[key] == out ? (function(C){\n      var F = function(a, b, c){\n        if(this instanceof C){\n          switch(arguments.length){\n            case 0: return new C;\n            case 1: return new C(a);\n            case 2: return new C(a, b);\n          } return new C(a, b, c);\n        } return C.apply(this, arguments);\n      };\n      F[PROTOTYPE] = C[PROTOTYPE];\n      return F;\n    // make static versions for prototype methods\n    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n    if(IS_PROTO){\n      (exports.virtual || (exports.virtual = {}))[key] = out;\n      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n      if(type & $export.R && expProto && !expProto[key])hide(expProto, key, out);\n    }\n  }\n};\n// type bitmap\n$export.F = 1;   // forced\n$export.G = 2;   // global\n$export.S = 4;   // static\n$export.P = 8;   // proto\n$export.B = 16;  // bind\n$export.W = 32;  // wrap\n$export.U = 64;  // safe\n$export.R = 128; // real proto method for `library` \nmodule.exports = $export;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_export.js\n// module id = 148\n// module chunks = 0","var dP         = require('./_object-dp')\n  , createDesc = require('./_property-desc');\nmodule.exports = require('./_descriptors') ? function(object, key, value){\n  return dP.f(object, key, createDesc(1, value));\n} : function(object, key, value){\n  object[key] = value;\n  return object;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_hide.js\n// module id = 149\n// module chunks = 0","module.exports = !require('./_descriptors') && !require('./_fails')(function(){\n  return Object.defineProperty(require('./_dom-create')('div'), 'a', {get: function(){ return 7; }}).a != 7;\n});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_ie8-dom-define.js\n// module id = 150\n// module chunks = 0","module.exports = function(bitmap, value){\n  return {\n    enumerable  : !(bitmap & 1),\n    configurable: !(bitmap & 2),\n    writable    : !(bitmap & 4),\n    value       : value\n  };\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_property-desc.js\n// module id = 151\n// module chunks = 0","// 7.1.1 ToPrimitive(input [, PreferredType])\nvar isObject = require('./_is-object');\n// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n// and the second argument - flag - preferred type is a string\nmodule.exports = function(it, S){\n  if(!isObject(it))return it;\n  var fn, val;\n  if(S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n  if(typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it)))return val;\n  if(!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n  throw TypeError(\"Can't convert object to primitive value\");\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_to-primitive.js\n// module id = 152\n// module chunks = 0","var $export = require('./_export');\n// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n$export($export.S + $export.F * !require('./_descriptors'), 'Object', {defineProperty: require('./_object-dp').f});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/es6.object.define-property.js\n// module id = 153\n// module chunks = 0","/**\n * @license\n * Lodash <https://lodash.com/>\n * Copyright JS Foundation and other contributors <https://js.foundation/>\n * Released under MIT license <https://lodash.com/license>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n  var undefined;\n\n  /** Used as the semantic version number. */\n  var VERSION = '4.17.4';\n\n  /** Used as the size to enable large array optimizations. */\n  var LARGE_ARRAY_SIZE = 200;\n\n  /** Error message constants. */\n  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n      FUNC_ERROR_TEXT = 'Expected a function';\n\n  /** Used to stand-in for `undefined` hash values. */\n  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n  /** Used as the maximum memoize cache size. */\n  var MAX_MEMOIZE_SIZE = 500;\n\n  /** Used as the internal argument placeholder. */\n  var PLACEHOLDER = '__lodash_placeholder__';\n\n  /** Used to compose bitmasks for cloning. */\n  var CLONE_DEEP_FLAG = 1,\n      CLONE_FLAT_FLAG = 2,\n      CLONE_SYMBOLS_FLAG = 4;\n\n  /** Used to compose bitmasks for value comparisons. */\n  var COMPARE_PARTIAL_FLAG = 1,\n      COMPARE_UNORDERED_FLAG = 2;\n\n  /** Used to compose bitmasks for function metadata. */\n  var WRAP_BIND_FLAG = 1,\n      WRAP_BIND_KEY_FLAG = 2,\n      WRAP_CURRY_BOUND_FLAG = 4,\n      WRAP_CURRY_FLAG = 8,\n      WRAP_CURRY_RIGHT_FLAG = 16,\n      WRAP_PARTIAL_FLAG = 32,\n      WRAP_PARTIAL_RIGHT_FLAG = 64,\n      WRAP_ARY_FLAG = 128,\n      WRAP_REARG_FLAG = 256,\n      WRAP_FLIP_FLAG = 512;\n\n  /** Used as default options for `_.truncate`. */\n  var DEFAULT_TRUNC_LENGTH = 30,\n      DEFAULT_TRUNC_OMISSION = '...';\n\n  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n  var HOT_COUNT = 800,\n      HOT_SPAN = 16;\n\n  /** Used to indicate the type of lazy iteratees. */\n  var LAZY_FILTER_FLAG = 1,\n      LAZY_MAP_FLAG = 2,\n      LAZY_WHILE_FLAG = 3;\n\n  /** Used as references for various `Number` constants. */\n  var INFINITY = 1 / 0,\n      MAX_SAFE_INTEGER = 9007199254740991,\n      MAX_INTEGER = 1.7976931348623157e+308,\n      NAN = 0 / 0;\n\n  /** Used as references for the maximum length and index of an array. */\n  var MAX_ARRAY_LENGTH = 4294967295,\n      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n  /** Used to associate wrap methods with their bit flags. */\n  var wrapFlags = [\n    ['ary', WRAP_ARY_FLAG],\n    ['bind', WRAP_BIND_FLAG],\n    ['bindKey', WRAP_BIND_KEY_FLAG],\n    ['curry', WRAP_CURRY_FLAG],\n    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n    ['flip', WRAP_FLIP_FLAG],\n    ['partial', WRAP_PARTIAL_FLAG],\n    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n    ['rearg', WRAP_REARG_FLAG]\n  ];\n\n  /** `Object#toString` result references. */\n  var argsTag = '[object Arguments]',\n      arrayTag = '[object Array]',\n      asyncTag = '[object AsyncFunction]',\n      boolTag = '[object Boolean]',\n      dateTag = '[object Date]',\n      domExcTag = '[object DOMException]',\n      errorTag = '[object Error]',\n      funcTag = '[object Function]',\n      genTag = '[object GeneratorFunction]',\n      mapTag = '[object Map]',\n      numberTag = '[object Number]',\n      nullTag = '[object Null]',\n      objectTag = '[object Object]',\n      promiseTag = '[object Promise]',\n      proxyTag = '[object Proxy]',\n      regexpTag = '[object RegExp]',\n      setTag = '[object Set]',\n      stringTag = '[object String]',\n      symbolTag = '[object Symbol]',\n      undefinedTag = '[object Undefined]',\n      weakMapTag = '[object WeakMap]',\n      weakSetTag = '[object WeakSet]';\n\n  var arrayBufferTag = '[object ArrayBuffer]',\n      dataViewTag = '[object DataView]',\n      float32Tag = '[object Float32Array]',\n      float64Tag = '[object Float64Array]',\n      int8Tag = '[object Int8Array]',\n      int16Tag = '[object Int16Array]',\n      int32Tag = '[object Int32Array]',\n      uint8Tag = '[object Uint8Array]',\n      uint8ClampedTag = '[object Uint8ClampedArray]',\n      uint16Tag = '[object Uint16Array]',\n      uint32Tag = '[object Uint32Array]';\n\n  /** Used to match empty string literals in compiled template source. */\n  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n  /** Used to match HTML entities and HTML characters. */\n  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n      reUnescapedHtml = /[&<>\"']/g,\n      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n  /** Used to match template delimiters. */\n  var reEscape = /<%-([\\s\\S]+?)%>/g,\n      reEvaluate = /<%([\\s\\S]+?)%>/g,\n      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n  /** Used to match property names within property paths. */\n  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n      reIsPlainProp = /^\\w*$/,\n      reLeadingDot = /^\\./,\n      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n  /**\n   * Used to match `RegExp`\n   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n   */\n  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n      reHasRegExpChar = RegExp(reRegExpChar.source);\n\n  /** Used to match leading and trailing whitespace. */\n  var reTrim = /^\\s+|\\s+$/g,\n      reTrimStart = /^\\s+/,\n      reTrimEnd = /\\s+$/;\n\n  /** Used to match wrap detail comments. */\n  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n      reSplitDetails = /,? & /;\n\n  /** Used to match words composed of alphanumeric characters. */\n  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n  /** Used to match backslashes in property paths. */\n  var reEscapeChar = /\\\\(\\\\)?/g;\n\n  /**\n   * Used to match\n   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n   */\n  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n  /** Used to match `RegExp` flags from their coerced string values. */\n  var reFlags = /\\w*$/;\n\n  /** Used to detect bad signed hexadecimal string values. */\n  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n  /** Used to detect binary string values. */\n  var reIsBinary = /^0b[01]+$/i;\n\n  /** Used to detect host constructors (Safari). */\n  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n  /** Used to detect octal string values. */\n  var reIsOctal = /^0o[0-7]+$/i;\n\n  /** Used to detect unsigned integer values. */\n  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n  /** Used to ensure capturing order of template delimiters. */\n  var reNoMatch = /($^)/;\n\n  /** Used to match unescaped characters in compiled string literals. */\n  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n  /** Used to compose unicode character classes. */\n  var rsAstralRange = '\\\\ud800-\\\\udfff',\n      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n  /** Used to compose unicode capture groups. */\n  var rsApos = \"['\\u2019]\",\n      rsAstral = '[' + rsAstralRange + ']',\n      rsBreak = '[' + rsBreakRange + ']',\n      rsCombo = '[' + rsComboRange + ']',\n      rsDigits = '\\\\d+',\n      rsDingbat = '[' + rsDingbatRange + ']',\n      rsLower = '[' + rsLowerRange + ']',\n      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n      rsNonAstral = '[^' + rsAstralRange + ']',\n      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n      rsUpper = '[' + rsUpperRange + ']',\n      rsZWJ = '\\\\u200d';\n\n  /** Used to compose unicode regexes. */\n  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n      reOptMod = rsModifier + '?',\n      rsOptVar = '[' + rsVarRange + ']?',\n      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n  /** Used to match apostrophes. */\n  var reApos = RegExp(rsApos, 'g');\n\n  /**\n   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n   */\n  var reComboMark = RegExp(rsCombo, 'g');\n\n  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n  /** Used to match complex or compound words. */\n  var reUnicodeWord = RegExp([\n    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n    rsUpper + '+' + rsOptContrUpper,\n    rsOrdUpper,\n    rsOrdLower,\n    rsDigits,\n    rsEmoji\n  ].join('|'), 'g');\n\n  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\n  /** Used to detect strings that need a more robust regexp to match words. */\n  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n  /** Used to assign default `context` object properties. */\n  var contextProps = [\n    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n  ];\n\n  /** Used to make template sourceURLs easier to identify. */\n  var templateCounter = -1;\n\n  /** Used to identify `toStringTag` values of typed arrays. */\n  var typedArrayTags = {};\n  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n  typedArrayTags[uint32Tag] = true;\n  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n  typedArrayTags[weakMapTag] = false;\n\n  /** Used to identify `toStringTag` values supported by `_.clone`. */\n  var cloneableTags = {};\n  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n  cloneableTags[boolTag] = cloneableTags[dateTag] =\n  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n  cloneableTags[numberTag] = cloneableTags[objectTag] =\n  cloneableTags[regexpTag] = cloneableTags[setTag] =\n  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n  cloneableTags[errorTag] = cloneableTags[funcTag] =\n  cloneableTags[weakMapTag] = false;\n\n  /** Used to map Latin Unicode letters to basic Latin letters. */\n  var deburredLetters = {\n    // Latin-1 Supplement block.\n    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n    '\\xc7': 'C',  '\\xe7': 'c',\n    '\\xd0': 'D',  '\\xf0': 'd',\n    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n    '\\xd1': 'N',  '\\xf1': 'n',\n    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n    '\\xc6': 'Ae', '\\xe6': 'ae',\n    '\\xde': 'Th', '\\xfe': 'th',\n    '\\xdf': 'ss',\n    // Latin Extended-A block.\n    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n    '\\u0134': 'J',  '\\u0135': 'j',\n    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n    '\\u0174': 'W',  '\\u0175': 'w',\n    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n    '\\u0132': 'IJ', '\\u0133': 'ij',\n    '\\u0152': 'Oe', '\\u0153': 'oe',\n    '\\u0149': \"'n\", '\\u017f': 's'\n  };\n\n  /** Used to map characters to HTML entities. */\n  var htmlEscapes = {\n    '&': '&amp;',\n    '<': '&lt;',\n    '>': '&gt;',\n    '\"': '&quot;',\n    \"'\": '&#39;'\n  };\n\n  /** Used to map HTML entities to characters. */\n  var htmlUnescapes = {\n    '&amp;': '&',\n    '&lt;': '<',\n    '&gt;': '>',\n    '&quot;': '\"',\n    '&#39;': \"'\"\n  };\n\n  /** Used to escape characters for inclusion in compiled string literals. */\n  var stringEscapes = {\n    '\\\\': '\\\\',\n    \"'\": \"'\",\n    '\\n': 'n',\n    '\\r': 'r',\n    '\\u2028': 'u2028',\n    '\\u2029': 'u2029'\n  };\n\n  /** Built-in method references without a dependency on `root`. */\n  var freeParseFloat = parseFloat,\n      freeParseInt = parseInt;\n\n  /** Detect free variable `global` from Node.js. */\n  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n  /** Detect free variable `self`. */\n  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n  /** Used as a reference to the global object. */\n  var root = freeGlobal || freeSelf || Function('return this')();\n\n  /** Detect free variable `exports`. */\n  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n  /** Detect free variable `module`. */\n  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n  /** Detect the popular CommonJS extension `module.exports`. */\n  var moduleExports = freeModule && freeModule.exports === freeExports;\n\n  /** Detect free variable `process` from Node.js. */\n  var freeProcess = moduleExports && freeGlobal.process;\n\n  /** Used to access faster Node.js helpers. */\n  var nodeUtil = (function() {\n    try {\n      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n    } catch (e) {}\n  }());\n\n  /* Node.js helper references. */\n  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n      nodeIsDate = nodeUtil && nodeUtil.isDate,\n      nodeIsMap = nodeUtil && nodeUtil.isMap,\n      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n      nodeIsSet = nodeUtil && nodeUtil.isSet,\n      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Adds the key-value `pair` to `map`.\n   *\n   * @private\n   * @param {Object} map The map to modify.\n   * @param {Array} pair The key-value pair to add.\n   * @returns {Object} Returns `map`.\n   */\n  function addMapEntry(map, pair) {\n    // Don't return `map.set` because it's not chainable in IE 11.\n    map.set(pair[0], pair[1]);\n    return map;\n  }\n\n  /**\n   * Adds `value` to `set`.\n   *\n   * @private\n   * @param {Object} set The set to modify.\n   * @param {*} value The value to add.\n   * @returns {Object} Returns `set`.\n   */\n  function addSetEntry(set, value) {\n    // Don't return `set.add` because it's not chainable in IE 11.\n    set.add(value);\n    return set;\n  }\n\n  /**\n   * A faster alternative to `Function#apply`, this function invokes `func`\n   * with the `this` binding of `thisArg` and the arguments of `args`.\n   *\n   * @private\n   * @param {Function} func The function to invoke.\n   * @param {*} thisArg The `this` binding of `func`.\n   * @param {Array} args The arguments to invoke `func` with.\n   * @returns {*} Returns the result of `func`.\n   */\n  function apply(func, thisArg, args) {\n    switch (args.length) {\n      case 0: return func.call(thisArg);\n      case 1: return func.call(thisArg, args[0]);\n      case 2: return func.call(thisArg, args[0], args[1]);\n      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n    }\n    return func.apply(thisArg, args);\n  }\n\n  /**\n   * A specialized version of `baseAggregator` for arrays.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} setter The function to set `accumulator` values.\n   * @param {Function} iteratee The iteratee to transform keys.\n   * @param {Object} accumulator The initial aggregated object.\n   * @returns {Function} Returns `accumulator`.\n   */\n  function arrayAggregator(array, setter, iteratee, accumulator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      var value = array[index];\n      setter(accumulator, value, iteratee(value), array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.forEach` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEach(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (iteratee(array[index], index, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.forEachRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEachRight(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n\n    while (length--) {\n      if (iteratee(array[length], length, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.every` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n   *  else `false`.\n   */\n  function arrayEvery(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (!predicate(array[index], index, array)) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * A specialized version of `_.filter` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {Array} Returns the new filtered array.\n   */\n  function arrayFilter(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (predicate(value, index, array)) {\n        result[resIndex++] = value;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.includes` for arrays without support for\n   * specifying an index to search from.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludes(array, value) {\n    var length = array == null ? 0 : array.length;\n    return !!length && baseIndexOf(array, value, 0) > -1;\n  }\n\n  /**\n   * This function is like `arrayIncludes` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludesWith(array, value, comparator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (comparator(value, array[index])) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * A specialized version of `_.map` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the new mapped array.\n   */\n  function arrayMap(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        result = Array(length);\n\n    while (++index < length) {\n      result[index] = iteratee(array[index], index, array);\n    }\n    return result;\n  }\n\n  /**\n   * Appends the elements of `values` to `array`.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {Array} values The values to append.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayPush(array, values) {\n    var index = -1,\n        length = values.length,\n        offset = array.length;\n\n    while (++index < length) {\n      array[offset + index] = values[index];\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.reduce` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the first element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduce(array, iteratee, accumulator, initAccum) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    if (initAccum && length) {\n      accumulator = array[++index];\n    }\n    while (++index < length) {\n      accumulator = iteratee(accumulator, array[index], index, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.reduceRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the last element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n    var length = array == null ? 0 : array.length;\n    if (initAccum && length) {\n      accumulator = array[--length];\n    }\n    while (length--) {\n      accumulator = iteratee(accumulator, array[length], length, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.some` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if any element passes the predicate check,\n   *  else `false`.\n   */\n  function arraySome(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (predicate(array[index], index, array)) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * Gets the size of an ASCII `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  var asciiSize = baseProperty('length');\n\n  /**\n   * Converts an ASCII `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function asciiToArray(string) {\n    return string.split('');\n  }\n\n  /**\n   * Splits an ASCII `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function asciiWords(string) {\n    return string.match(reAsciiWord) || [];\n  }\n\n  /**\n   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n   * without support for iteratee shorthands, which iterates over `collection`\n   * using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the found element or its key, else `undefined`.\n   */\n  function baseFindKey(collection, predicate, eachFunc) {\n    var result;\n    eachFunc(collection, function(value, key, collection) {\n      if (predicate(value, key, collection)) {\n        result = key;\n        return false;\n      }\n    });\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n   * support for iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {number} fromIndex The index to search from.\n   * @param {boolean} [fromRight] Specify iterating from right to left.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n    var length = array.length,\n        index = fromIndex + (fromRight ? 1 : -1);\n\n    while ((fromRight ? index-- : ++index < length)) {\n      if (predicate(array[index], index, array)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOf(array, value, fromIndex) {\n    return value === value\n      ? strictIndexOf(array, value, fromIndex)\n      : baseFindIndex(array, baseIsNaN, fromIndex);\n  }\n\n  /**\n   * This function is like `baseIndexOf` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOfWith(array, value, fromIndex, comparator) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (comparator(array[index], value)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.isNaN` without support for number objects.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n   */\n  function baseIsNaN(value) {\n    return value !== value;\n  }\n\n  /**\n   * The base implementation of `_.mean` and `_.meanBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the mean.\n   */\n  function baseMean(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n    return length ? (baseSum(array, iteratee) / length) : NAN;\n  }\n\n  /**\n   * The base implementation of `_.property` without support for deep paths.\n   *\n   * @private\n   * @param {string} key The key of the property to get.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function baseProperty(key) {\n    return function(object) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.propertyOf` without support for deep paths.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function basePropertyOf(object) {\n    return function(key) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} accumulator The initial value.\n   * @param {boolean} initAccum Specify using the first or last element of\n   *  `collection` as the initial value.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the accumulated value.\n   */\n  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n    eachFunc(collection, function(value, index, collection) {\n      accumulator = initAccum\n        ? (initAccum = false, value)\n        : iteratee(accumulator, value, index, collection);\n    });\n    return accumulator;\n  }\n\n  /**\n   * The base implementation of `_.sortBy` which uses `comparer` to define the\n   * sort order of `array` and replaces criteria objects with their corresponding\n   * values.\n   *\n   * @private\n   * @param {Array} array The array to sort.\n   * @param {Function} comparer The function to define sort order.\n   * @returns {Array} Returns `array`.\n   */\n  function baseSortBy(array, comparer) {\n    var length = array.length;\n\n    array.sort(comparer);\n    while (length--) {\n      array[length] = array[length].value;\n    }\n    return array;\n  }\n\n  /**\n   * The base implementation of `_.sum` and `_.sumBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the sum.\n   */\n  function baseSum(array, iteratee) {\n    var result,\n        index = -1,\n        length = array.length;\n\n    while (++index < length) {\n      var current = iteratee(array[index]);\n      if (current !== undefined) {\n        result = result === undefined ? current : (result + current);\n      }\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.times` without support for iteratee shorthands\n   * or max array length checks.\n   *\n   * @private\n   * @param {number} n The number of times to invoke `iteratee`.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the array of results.\n   */\n  function baseTimes(n, iteratee) {\n    var index = -1,\n        result = Array(n);\n\n    while (++index < n) {\n      result[index] = iteratee(index);\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n   * of key-value pairs for `object` corresponding to the property names of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the key-value pairs.\n   */\n  function baseToPairs(object, props) {\n    return arrayMap(props, function(key) {\n      return [key, object[key]];\n    });\n  }\n\n  /**\n   * The base implementation of `_.unary` without support for storing metadata.\n   *\n   * @private\n   * @param {Function} func The function to cap arguments for.\n   * @returns {Function} Returns the new capped function.\n   */\n  function baseUnary(func) {\n    return function(value) {\n      return func(value);\n    };\n  }\n\n  /**\n   * The base implementation of `_.values` and `_.valuesIn` which creates an\n   * array of `object` property values corresponding to the property names\n   * of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the array of property values.\n   */\n  function baseValues(object, props) {\n    return arrayMap(props, function(key) {\n      return object[key];\n    });\n  }\n\n  /**\n   * Checks if a `cache` value for `key` exists.\n   *\n   * @private\n   * @param {Object} cache The cache to query.\n   * @param {string} key The key of the entry to check.\n   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n   */\n  function cacheHas(cache, key) {\n    return cache.has(key);\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the first unmatched string symbol.\n   */\n  function charsStartIndex(strSymbols, chrSymbols) {\n    var index = -1,\n        length = strSymbols.length;\n\n    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the last unmatched string symbol.\n   */\n  function charsEndIndex(strSymbols, chrSymbols) {\n    var index = strSymbols.length;\n\n    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Gets the number of `placeholder` occurrences in `array`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} placeholder The placeholder to search for.\n   * @returns {number} Returns the placeholder count.\n   */\n  function countHolders(array, placeholder) {\n    var length = array.length,\n        result = 0;\n\n    while (length--) {\n      if (array[length] === placeholder) {\n        ++result;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n   * letters to basic Latin letters.\n   *\n   * @private\n   * @param {string} letter The matched letter to deburr.\n   * @returns {string} Returns the deburred letter.\n   */\n  var deburrLetter = basePropertyOf(deburredLetters);\n\n  /**\n   * Used by `_.escape` to convert characters to HTML entities.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n  /**\n   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  function escapeStringChar(chr) {\n    return '\\\\' + stringEscapes[chr];\n  }\n\n  /**\n   * Gets the value at `key` of `object`.\n   *\n   * @private\n   * @param {Object} [object] The object to query.\n   * @param {string} key The key of the property to get.\n   * @returns {*} Returns the property value.\n   */\n  function getValue(object, key) {\n    return object == null ? undefined : object[key];\n  }\n\n  /**\n   * Checks if `string` contains Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n   */\n  function hasUnicode(string) {\n    return reHasUnicode.test(string);\n  }\n\n  /**\n   * Checks if `string` contains a word composed of Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a word is found, else `false`.\n   */\n  function hasUnicodeWord(string) {\n    return reHasUnicodeWord.test(string);\n  }\n\n  /**\n   * Converts `iterator` to an array.\n   *\n   * @private\n   * @param {Object} iterator The iterator to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function iteratorToArray(iterator) {\n    var data,\n        result = [];\n\n    while (!(data = iterator.next()).done) {\n      result.push(data.value);\n    }\n    return result;\n  }\n\n  /**\n   * Converts `map` to its key-value pairs.\n   *\n   * @private\n   * @param {Object} map The map to convert.\n   * @returns {Array} Returns the key-value pairs.\n   */\n  function mapToArray(map) {\n    var index = -1,\n        result = Array(map.size);\n\n    map.forEach(function(value, key) {\n      result[++index] = [key, value];\n    });\n    return result;\n  }\n\n  /**\n   * Creates a unary function that invokes `func` with its argument transformed.\n   *\n   * @private\n   * @param {Function} func The function to wrap.\n   * @param {Function} transform The argument transform.\n   * @returns {Function} Returns the new function.\n   */\n  function overArg(func, transform) {\n    return function(arg) {\n      return func(transform(arg));\n    };\n  }\n\n  /**\n   * Replaces all `placeholder` elements in `array` with an internal placeholder\n   * and returns an array of their indexes.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {*} placeholder The placeholder to replace.\n   * @returns {Array} Returns the new array of placeholder indexes.\n   */\n  function replaceHolders(array, placeholder) {\n    var index = -1,\n        length = array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (value === placeholder || value === PLACEHOLDER) {\n        array[index] = PLACEHOLDER;\n        result[resIndex++] = index;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Converts `set` to an array of its values.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the values.\n   */\n  function setToArray(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = value;\n    });\n    return result;\n  }\n\n  /**\n   * Converts `set` to its value-value pairs.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the value-value pairs.\n   */\n  function setToPairs(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = [value, value];\n    });\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.indexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictIndexOf(array, value, fromIndex) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * A specialized version of `_.lastIndexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictLastIndexOf(array, value, fromIndex) {\n    var index = fromIndex + 1;\n    while (index--) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return index;\n  }\n\n  /**\n   * Gets the number of symbols in `string`.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {number} Returns the string size.\n   */\n  function stringSize(string) {\n    return hasUnicode(string)\n      ? unicodeSize(string)\n      : asciiSize(string);\n  }\n\n  /**\n   * Converts `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function stringToArray(string) {\n    return hasUnicode(string)\n      ? unicodeToArray(string)\n      : asciiToArray(string);\n  }\n\n  /**\n   * Used by `_.unescape` to convert HTML entities to characters.\n   *\n   * @private\n   * @param {string} chr The matched character to unescape.\n   * @returns {string} Returns the unescaped character.\n   */\n  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n  /**\n   * Gets the size of a Unicode `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  function unicodeSize(string) {\n    var result = reUnicode.lastIndex = 0;\n    while (reUnicode.test(string)) {\n      ++result;\n    }\n    return result;\n  }\n\n  /**\n   * Converts a Unicode `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function unicodeToArray(string) {\n    return string.match(reUnicode) || [];\n  }\n\n  /**\n   * Splits a Unicode `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function unicodeWords(string) {\n    return string.match(reUnicodeWord) || [];\n  }\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Create a new pristine `lodash` function using the `context` object.\n   *\n   * @static\n   * @memberOf _\n   * @since 1.1.0\n   * @category Util\n   * @param {Object} [context=root] The context object.\n   * @returns {Function} Returns a new `lodash` function.\n   * @example\n   *\n   * _.mixin({ 'foo': _.constant('foo') });\n   *\n   * var lodash = _.runInContext();\n   * lodash.mixin({ 'bar': lodash.constant('bar') });\n   *\n   * _.isFunction(_.foo);\n   * // => true\n   * _.isFunction(_.bar);\n   * // => false\n   *\n   * lodash.isFunction(lodash.foo);\n   * // => false\n   * lodash.isFunction(lodash.bar);\n   * // => true\n   *\n   * // Create a suped-up `defer` in Node.js.\n   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n   */\n  var runInContext = (function runInContext(context) {\n    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n    /** Built-in constructor references. */\n    var Array = context.Array,\n        Date = context.Date,\n        Error = context.Error,\n        Function = context.Function,\n        Math = context.Math,\n        Object = context.Object,\n        RegExp = context.RegExp,\n        String = context.String,\n        TypeError = context.TypeError;\n\n    /** Used for built-in method references. */\n    var arrayProto = Array.prototype,\n        funcProto = Function.prototype,\n        objectProto = Object.prototype;\n\n    /** Used to detect overreaching core-js shims. */\n    var coreJsData = context['__core-js_shared__'];\n\n    /** Used to resolve the decompiled source of functions. */\n    var funcToString = funcProto.toString;\n\n    /** Used to check objects for own properties. */\n    var hasOwnProperty = objectProto.hasOwnProperty;\n\n    /** Used to generate unique IDs. */\n    var idCounter = 0;\n\n    /** Used to detect methods masquerading as native. */\n    var maskSrcKey = (function() {\n      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n      return uid ? ('Symbol(src)_1.' + uid) : '';\n    }());\n\n    /**\n     * Used to resolve the\n     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n     * of values.\n     */\n    var nativeObjectToString = objectProto.toString;\n\n    /** Used to infer the `Object` constructor. */\n    var objectCtorString = funcToString.call(Object);\n\n    /** Used to restore the original `_` reference in `_.noConflict`. */\n    var oldDash = root._;\n\n    /** Used to detect if a method is native. */\n    var reIsNative = RegExp('^' +\n      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n    );\n\n    /** Built-in value references. */\n    var Buffer = moduleExports ? context.Buffer : undefined,\n        Symbol = context.Symbol,\n        Uint8Array = context.Uint8Array,\n        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n        getPrototype = overArg(Object.getPrototypeOf, Object),\n        objectCreate = Object.create,\n        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n        splice = arrayProto.splice,\n        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n        symIterator = Symbol ? Symbol.iterator : undefined,\n        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n    var defineProperty = (function() {\n      try {\n        var func = getNative(Object, 'defineProperty');\n        func({}, '', {});\n        return func;\n      } catch (e) {}\n    }());\n\n    /** Mocked built-ins. */\n    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n    /* Built-in method references for those with the same name as other `lodash` methods. */\n    var nativeCeil = Math.ceil,\n        nativeFloor = Math.floor,\n        nativeGetSymbols = Object.getOwnPropertySymbols,\n        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n        nativeIsFinite = context.isFinite,\n        nativeJoin = arrayProto.join,\n        nativeKeys = overArg(Object.keys, Object),\n        nativeMax = Math.max,\n        nativeMin = Math.min,\n        nativeNow = Date.now,\n        nativeParseInt = context.parseInt,\n        nativeRandom = Math.random,\n        nativeReverse = arrayProto.reverse;\n\n    /* Built-in method references that are verified to be native. */\n    var DataView = getNative(context, 'DataView'),\n        Map = getNative(context, 'Map'),\n        Promise = getNative(context, 'Promise'),\n        Set = getNative(context, 'Set'),\n        WeakMap = getNative(context, 'WeakMap'),\n        nativeCreate = getNative(Object, 'create');\n\n    /** Used to store function metadata. */\n    var metaMap = WeakMap && new WeakMap;\n\n    /** Used to lookup unminified function names. */\n    var realNames = {};\n\n    /** Used to detect maps, sets, and weakmaps. */\n    var dataViewCtorString = toSource(DataView),\n        mapCtorString = toSource(Map),\n        promiseCtorString = toSource(Promise),\n        setCtorString = toSource(Set),\n        weakMapCtorString = toSource(WeakMap);\n\n    /** Used to convert symbols to primitives and strings. */\n    var symbolProto = Symbol ? Symbol.prototype : undefined,\n        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` object which wraps `value` to enable implicit method\n     * chain sequences. Methods that operate on and return arrays, collections,\n     * and functions can be chained together. Methods that retrieve a single value\n     * or may return a primitive value will automatically end the chain sequence\n     * and return the unwrapped value. Otherwise, the value must be unwrapped\n     * with `_#value`.\n     *\n     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n     * enabled using `_.chain`.\n     *\n     * The execution of chained methods is lazy, that is, it's deferred until\n     * `_#value` is implicitly or explicitly called.\n     *\n     * Lazy evaluation allows several methods to support shortcut fusion.\n     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n     * the creation of intermediate arrays and can greatly reduce the number of\n     * iteratee executions. Sections of a chain sequence qualify for shortcut\n     * fusion if the section is applied to an array and iteratees accept only\n     * one argument. The heuristic for whether a section qualifies for shortcut\n     * fusion is subject to change.\n     *\n     * Chaining is supported in custom builds as long as the `_#value` method is\n     * directly or indirectly included in the build.\n     *\n     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n     *\n     * The wrapper `Array` methods are:\n     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n     *\n     * The wrapper `String` methods are:\n     * `replace` and `split`\n     *\n     * The wrapper methods that support shortcut fusion are:\n     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n     *\n     * The chainable wrapper methods are:\n     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n     * `zipObject`, `zipObjectDeep`, and `zipWith`\n     *\n     * The wrapper methods that are **not** chainable by default are:\n     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n     * `upperFirst`, `value`, and `words`\n     *\n     * @name _\n     * @constructor\n     * @category Seq\n     * @param {*} value The value to wrap in a `lodash` instance.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2, 3]);\n     *\n     * // Returns an unwrapped value.\n     * wrapped.reduce(_.add);\n     * // => 6\n     *\n     * // Returns a wrapped value.\n     * var squares = wrapped.map(square);\n     *\n     * _.isArray(squares);\n     * // => false\n     *\n     * _.isArray(squares.value());\n     * // => true\n     */\n    function lodash(value) {\n      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n        if (value instanceof LodashWrapper) {\n          return value;\n        }\n        if (hasOwnProperty.call(value, '__wrapped__')) {\n          return wrapperClone(value);\n        }\n      }\n      return new LodashWrapper(value);\n    }\n\n    /**\n     * The base implementation of `_.create` without support for assigning\n     * properties to the created object.\n     *\n     * @private\n     * @param {Object} proto The object to inherit from.\n     * @returns {Object} Returns the new object.\n     */\n    var baseCreate = (function() {\n      function object() {}\n      return function(proto) {\n        if (!isObject(proto)) {\n          return {};\n        }\n        if (objectCreate) {\n          return objectCreate(proto);\n        }\n        object.prototype = proto;\n        var result = new object;\n        object.prototype = undefined;\n        return result;\n      };\n    }());\n\n    /**\n     * The function whose prototype chain sequence wrappers inherit from.\n     *\n     * @private\n     */\n    function baseLodash() {\n      // No operation performed.\n    }\n\n    /**\n     * The base constructor for creating `lodash` wrapper objects.\n     *\n     * @private\n     * @param {*} value The value to wrap.\n     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n     */\n    function LodashWrapper(value, chainAll) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__chain__ = !!chainAll;\n      this.__index__ = 0;\n      this.__values__ = undefined;\n    }\n\n    /**\n     * By default, the template delimiters used by lodash are like those in\n     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n     * following template settings to use alternative delimiters.\n     *\n     * @static\n     * @memberOf _\n     * @type {Object}\n     */\n    lodash.templateSettings = {\n\n      /**\n       * Used to detect `data` property values to be HTML-escaped.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'escape': reEscape,\n\n      /**\n       * Used to detect code to be evaluated.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'evaluate': reEvaluate,\n\n      /**\n       * Used to detect `data` property values to inject.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'interpolate': reInterpolate,\n\n      /**\n       * Used to reference the data object in the template text.\n       *\n       * @memberOf _.templateSettings\n       * @type {string}\n       */\n      'variable': '',\n\n      /**\n       * Used to import variables into the compiled template.\n       *\n       * @memberOf _.templateSettings\n       * @type {Object}\n       */\n      'imports': {\n\n        /**\n         * A reference to the `lodash` function.\n         *\n         * @memberOf _.templateSettings.imports\n         * @type {Function}\n         */\n        '_': lodash\n      }\n    };\n\n    // Ensure wrappers are instances of `baseLodash`.\n    lodash.prototype = baseLodash.prototype;\n    lodash.prototype.constructor = lodash;\n\n    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n    LodashWrapper.prototype.constructor = LodashWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n     *\n     * @private\n     * @constructor\n     * @param {*} value The value to wrap.\n     */\n    function LazyWrapper(value) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__dir__ = 1;\n      this.__filtered__ = false;\n      this.__iteratees__ = [];\n      this.__takeCount__ = MAX_ARRAY_LENGTH;\n      this.__views__ = [];\n    }\n\n    /**\n     * Creates a clone of the lazy wrapper object.\n     *\n     * @private\n     * @name clone\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the cloned `LazyWrapper` object.\n     */\n    function lazyClone() {\n      var result = new LazyWrapper(this.__wrapped__);\n      result.__actions__ = copyArray(this.__actions__);\n      result.__dir__ = this.__dir__;\n      result.__filtered__ = this.__filtered__;\n      result.__iteratees__ = copyArray(this.__iteratees__);\n      result.__takeCount__ = this.__takeCount__;\n      result.__views__ = copyArray(this.__views__);\n      return result;\n    }\n\n    /**\n     * Reverses the direction of lazy iteration.\n     *\n     * @private\n     * @name reverse\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n     */\n    function lazyReverse() {\n      if (this.__filtered__) {\n        var result = new LazyWrapper(this);\n        result.__dir__ = -1;\n        result.__filtered__ = true;\n      } else {\n        result = this.clone();\n        result.__dir__ *= -1;\n      }\n      return result;\n    }\n\n    /**\n     * Extracts the unwrapped value from its lazy wrapper.\n     *\n     * @private\n     * @name value\n     * @memberOf LazyWrapper\n     * @returns {*} Returns the unwrapped value.\n     */\n    function lazyValue() {\n      var array = this.__wrapped__.value(),\n          dir = this.__dir__,\n          isArr = isArray(array),\n          isRight = dir < 0,\n          arrLength = isArr ? array.length : 0,\n          view = getView(0, arrLength, this.__views__),\n          start = view.start,\n          end = view.end,\n          length = end - start,\n          index = isRight ? end : (start - 1),\n          iteratees = this.__iteratees__,\n          iterLength = iteratees.length,\n          resIndex = 0,\n          takeCount = nativeMin(length, this.__takeCount__);\n\n      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n        return baseWrapperValue(array, this.__actions__);\n      }\n      var result = [];\n\n      outer:\n      while (length-- && resIndex < takeCount) {\n        index += dir;\n\n        var iterIndex = -1,\n            value = array[index];\n\n        while (++iterIndex < iterLength) {\n          var data = iteratees[iterIndex],\n              iteratee = data.iteratee,\n              type = data.type,\n              computed = iteratee(value);\n\n          if (type == LAZY_MAP_FLAG) {\n            value = computed;\n          } else if (!computed) {\n            if (type == LAZY_FILTER_FLAG) {\n              continue outer;\n            } else {\n              break outer;\n            }\n          }\n        }\n        result[resIndex++] = value;\n      }\n      return result;\n    }\n\n    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n    LazyWrapper.prototype.constructor = LazyWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a hash object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Hash(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the hash.\n     *\n     * @private\n     * @name clear\n     * @memberOf Hash\n     */\n    function hashClear() {\n      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the hash.\n     *\n     * @private\n     * @name delete\n     * @memberOf Hash\n     * @param {Object} hash The hash to modify.\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function hashDelete(key) {\n      var result = this.has(key) && delete this.__data__[key];\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the hash value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Hash\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function hashGet(key) {\n      var data = this.__data__;\n      if (nativeCreate) {\n        var result = data[key];\n        return result === HASH_UNDEFINED ? undefined : result;\n      }\n      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n    }\n\n    /**\n     * Checks if a hash value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Hash\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function hashHas(key) {\n      var data = this.__data__;\n      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n    }\n\n    /**\n     * Sets the hash `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Hash\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the hash instance.\n     */\n    function hashSet(key, value) {\n      var data = this.__data__;\n      this.size += this.has(key) ? 0 : 1;\n      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n      return this;\n    }\n\n    // Add methods to `Hash`.\n    Hash.prototype.clear = hashClear;\n    Hash.prototype['delete'] = hashDelete;\n    Hash.prototype.get = hashGet;\n    Hash.prototype.has = hashHas;\n    Hash.prototype.set = hashSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an list cache object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function ListCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the list cache.\n     *\n     * @private\n     * @name clear\n     * @memberOf ListCache\n     */\n    function listCacheClear() {\n      this.__data__ = [];\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the list cache.\n     *\n     * @private\n     * @name delete\n     * @memberOf ListCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function listCacheDelete(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        return false;\n      }\n      var lastIndex = data.length - 1;\n      if (index == lastIndex) {\n        data.pop();\n      } else {\n        splice.call(data, index, 1);\n      }\n      --this.size;\n      return true;\n    }\n\n    /**\n     * Gets the list cache value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf ListCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function listCacheGet(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      return index < 0 ? undefined : data[index][1];\n    }\n\n    /**\n     * Checks if a list cache value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf ListCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function listCacheHas(key) {\n      return assocIndexOf(this.__data__, key) > -1;\n    }\n\n    /**\n     * Sets the list cache `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf ListCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the list cache instance.\n     */\n    function listCacheSet(key, value) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        ++this.size;\n        data.push([key, value]);\n      } else {\n        data[index][1] = value;\n      }\n      return this;\n    }\n\n    // Add methods to `ListCache`.\n    ListCache.prototype.clear = listCacheClear;\n    ListCache.prototype['delete'] = listCacheDelete;\n    ListCache.prototype.get = listCacheGet;\n    ListCache.prototype.has = listCacheHas;\n    ListCache.prototype.set = listCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a map cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function MapCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the map.\n     *\n     * @private\n     * @name clear\n     * @memberOf MapCache\n     */\n    function mapCacheClear() {\n      this.size = 0;\n      this.__data__ = {\n        'hash': new Hash,\n        'map': new (Map || ListCache),\n        'string': new Hash\n      };\n    }\n\n    /**\n     * Removes `key` and its value from the map.\n     *\n     * @private\n     * @name delete\n     * @memberOf MapCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function mapCacheDelete(key) {\n      var result = getMapData(this, key)['delete'](key);\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the map value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf MapCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function mapCacheGet(key) {\n      return getMapData(this, key).get(key);\n    }\n\n    /**\n     * Checks if a map value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf MapCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function mapCacheHas(key) {\n      return getMapData(this, key).has(key);\n    }\n\n    /**\n     * Sets the map `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf MapCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the map cache instance.\n     */\n    function mapCacheSet(key, value) {\n      var data = getMapData(this, key),\n          size = data.size;\n\n      data.set(key, value);\n      this.size += data.size == size ? 0 : 1;\n      return this;\n    }\n\n    // Add methods to `MapCache`.\n    MapCache.prototype.clear = mapCacheClear;\n    MapCache.prototype['delete'] = mapCacheDelete;\n    MapCache.prototype.get = mapCacheGet;\n    MapCache.prototype.has = mapCacheHas;\n    MapCache.prototype.set = mapCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     *\n     * Creates an array cache object to store unique values.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [values] The values to cache.\n     */\n    function SetCache(values) {\n      var index = -1,\n          length = values == null ? 0 : values.length;\n\n      this.__data__ = new MapCache;\n      while (++index < length) {\n        this.add(values[index]);\n      }\n    }\n\n    /**\n     * Adds `value` to the array cache.\n     *\n     * @private\n     * @name add\n     * @memberOf SetCache\n     * @alias push\n     * @param {*} value The value to cache.\n     * @returns {Object} Returns the cache instance.\n     */\n    function setCacheAdd(value) {\n      this.__data__.set(value, HASH_UNDEFINED);\n      return this;\n    }\n\n    /**\n     * Checks if `value` is in the array cache.\n     *\n     * @private\n     * @name has\n     * @memberOf SetCache\n     * @param {*} value The value to search for.\n     * @returns {number} Returns `true` if `value` is found, else `false`.\n     */\n    function setCacheHas(value) {\n      return this.__data__.has(value);\n    }\n\n    // Add methods to `SetCache`.\n    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n    SetCache.prototype.has = setCacheHas;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a stack cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Stack(entries) {\n      var data = this.__data__ = new ListCache(entries);\n      this.size = data.size;\n    }\n\n    /**\n     * Removes all key-value entries from the stack.\n     *\n     * @private\n     * @name clear\n     * @memberOf Stack\n     */\n    function stackClear() {\n      this.__data__ = new ListCache;\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the stack.\n     *\n     * @private\n     * @name delete\n     * @memberOf Stack\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function stackDelete(key) {\n      var data = this.__data__,\n          result = data['delete'](key);\n\n      this.size = data.size;\n      return result;\n    }\n\n    /**\n     * Gets the stack value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Stack\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function stackGet(key) {\n      return this.__data__.get(key);\n    }\n\n    /**\n     * Checks if a stack value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Stack\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function stackHas(key) {\n      return this.__data__.has(key);\n    }\n\n    /**\n     * Sets the stack `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Stack\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the stack cache instance.\n     */\n    function stackSet(key, value) {\n      var data = this.__data__;\n      if (data instanceof ListCache) {\n        var pairs = data.__data__;\n        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n          pairs.push([key, value]);\n          this.size = ++data.size;\n          return this;\n        }\n        data = this.__data__ = new MapCache(pairs);\n      }\n      data.set(key, value);\n      this.size = data.size;\n      return this;\n    }\n\n    // Add methods to `Stack`.\n    Stack.prototype.clear = stackClear;\n    Stack.prototype['delete'] = stackDelete;\n    Stack.prototype.get = stackGet;\n    Stack.prototype.has = stackHas;\n    Stack.prototype.set = stackSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of the enumerable property names of the array-like `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @param {boolean} inherited Specify returning inherited property names.\n     * @returns {Array} Returns the array of property names.\n     */\n    function arrayLikeKeys(value, inherited) {\n      var isArr = isArray(value),\n          isArg = !isArr && isArguments(value),\n          isBuff = !isArr && !isArg && isBuffer(value),\n          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n          skipIndexes = isArr || isArg || isBuff || isType,\n          result = skipIndexes ? baseTimes(value.length, String) : [],\n          length = result.length;\n\n      for (var key in value) {\n        if ((inherited || hasOwnProperty.call(value, key)) &&\n            !(skipIndexes && (\n               // Safari 9 has enumerable `arguments.length` in strict mode.\n               key == 'length' ||\n               // Node.js 0.10 has enumerable non-index properties on buffers.\n               (isBuff && (key == 'offset' || key == 'parent')) ||\n               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n               // Skip index properties.\n               isIndex(key, length)\n            ))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `_.sample` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @returns {*} Returns the random element.\n     */\n    function arraySample(array) {\n      var length = array.length;\n      return length ? array[baseRandom(0, length - 1)] : undefined;\n    }\n\n    /**\n     * A specialized version of `_.sampleSize` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function arraySampleSize(array, n) {\n      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * A specialized version of `_.shuffle` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function arrayShuffle(array) {\n      return shuffleSelf(copyArray(array));\n    }\n\n    /**\n     * This function is like `assignValue` except that it doesn't assign\n     * `undefined` values.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignMergeValue(object, key, value) {\n      if ((value !== undefined && !eq(object[key], value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignValue(object, key, value) {\n      var objValue = object[key];\n      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Gets the index at which the `key` is found in `array` of key-value pairs.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {*} key The key to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     */\n    function assocIndexOf(array, key) {\n      var length = array.length;\n      while (length--) {\n        if (eq(array[length][0], key)) {\n          return length;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * Aggregates elements of `collection` on `accumulator` with keys transformed\n     * by `iteratee` and values set by `setter`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform keys.\n     * @param {Object} accumulator The initial aggregated object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseAggregator(collection, setter, iteratee, accumulator) {\n      baseEach(collection, function(value, key, collection) {\n        setter(accumulator, value, iteratee(value), collection);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.assign` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssign(object, source) {\n      return object && copyObject(source, keys(source), object);\n    }\n\n    /**\n     * The base implementation of `_.assignIn` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssignIn(object, source) {\n      return object && copyObject(source, keysIn(source), object);\n    }\n\n    /**\n     * The base implementation of `assignValue` and `assignMergeValue` without\n     * value checks.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function baseAssignValue(object, key, value) {\n      if (key == '__proto__' && defineProperty) {\n        defineProperty(object, key, {\n          'configurable': true,\n          'enumerable': true,\n          'value': value,\n          'writable': true\n        });\n      } else {\n        object[key] = value;\n      }\n    }\n\n    /**\n     * The base implementation of `_.at` without support for individual paths.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Array} Returns the picked elements.\n     */\n    function baseAt(object, paths) {\n      var index = -1,\n          length = paths.length,\n          result = Array(length),\n          skip = object == null;\n\n      while (++index < length) {\n        result[index] = skip ? undefined : get(object, paths[index]);\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.clamp` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     */\n    function baseClamp(number, lower, upper) {\n      if (number === number) {\n        if (upper !== undefined) {\n          number = number <= upper ? number : upper;\n        }\n        if (lower !== undefined) {\n          number = number >= lower ? number : lower;\n        }\n      }\n      return number;\n    }\n\n    /**\n     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n     * traversed objects.\n     *\n     * @private\n     * @param {*} value The value to clone.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Deep clone\n     *  2 - Flatten inherited properties\n     *  4 - Clone symbols\n     * @param {Function} [customizer] The function to customize cloning.\n     * @param {string} [key] The key of `value`.\n     * @param {Object} [object] The parent object of `value`.\n     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n     * @returns {*} Returns the cloned value.\n     */\n    function baseClone(value, bitmask, customizer, key, object, stack) {\n      var result,\n          isDeep = bitmask & CLONE_DEEP_FLAG,\n          isFlat = bitmask & CLONE_FLAT_FLAG,\n          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n      if (customizer) {\n        result = object ? customizer(value, key, object, stack) : customizer(value);\n      }\n      if (result !== undefined) {\n        return result;\n      }\n      if (!isObject(value)) {\n        return value;\n      }\n      var isArr = isArray(value);\n      if (isArr) {\n        result = initCloneArray(value);\n        if (!isDeep) {\n          return copyArray(value, result);\n        }\n      } else {\n        var tag = getTag(value),\n            isFunc = tag == funcTag || tag == genTag;\n\n        if (isBuffer(value)) {\n          return cloneBuffer(value, isDeep);\n        }\n        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n          if (!isDeep) {\n            return isFlat\n              ? copySymbolsIn(value, baseAssignIn(result, value))\n              : copySymbols(value, baseAssign(result, value));\n          }\n        } else {\n          if (!cloneableTags[tag]) {\n            return object ? value : {};\n          }\n          result = initCloneByTag(value, tag, baseClone, isDeep);\n        }\n      }\n      // Check for circular references and return its corresponding clone.\n      stack || (stack = new Stack);\n      var stacked = stack.get(value);\n      if (stacked) {\n        return stacked;\n      }\n      stack.set(value, result);\n\n      var keysFunc = isFull\n        ? (isFlat ? getAllKeysIn : getAllKeys)\n        : (isFlat ? keysIn : keys);\n\n      var props = isArr ? undefined : keysFunc(value);\n      arrayEach(props || value, function(subValue, key) {\n        if (props) {\n          key = subValue;\n          subValue = value[key];\n        }\n        // Recursively populate clone (susceptible to call stack limits).\n        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.conforms` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseConforms(source) {\n      var props = keys(source);\n      return function(object) {\n        return baseConformsTo(object, source, props);\n      };\n    }\n\n    /**\n     * The base implementation of `_.conformsTo` which accepts `props` to check.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     */\n    function baseConformsTo(object, source, props) {\n      var length = props.length;\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (length--) {\n        var key = props[length],\n            predicate = source[key],\n            value = object[key];\n\n        if ((value === undefined && !(key in object)) || !predicate(value)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n     * to provide to `func`.\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {Array} args The arguments to provide to `func`.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    function baseDelay(func, wait, args) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return setTimeout(function() { func.apply(undefined, args); }, wait);\n    }\n\n    /**\n     * The base implementation of methods like `_.difference` without support\n     * for excluding multiple arrays or iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Array} values The values to exclude.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     */\n    function baseDifference(array, values, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          isCommon = true,\n          length = array.length,\n          result = [],\n          valuesLength = values.length;\n\n      if (!length) {\n        return result;\n      }\n      if (iteratee) {\n        values = arrayMap(values, baseUnary(iteratee));\n      }\n      if (comparator) {\n        includes = arrayIncludesWith;\n        isCommon = false;\n      }\n      else if (values.length >= LARGE_ARRAY_SIZE) {\n        includes = cacheHas;\n        isCommon = false;\n        values = new SetCache(values);\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee == null ? value : iteratee(value);\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var valuesIndex = valuesLength;\n          while (valuesIndex--) {\n            if (values[valuesIndex] === computed) {\n              continue outer;\n            }\n          }\n          result.push(value);\n        }\n        else if (!includes(values, computed, comparator)) {\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.forEach` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEach = createBaseEach(baseForOwn);\n\n    /**\n     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n    /**\n     * The base implementation of `_.every` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`\n     */\n    function baseEvery(collection, predicate) {\n      var result = true;\n      baseEach(collection, function(value, index, collection) {\n        result = !!predicate(value, index, collection);\n        return result;\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of methods like `_.max` and `_.min` which accepts a\n     * `comparator` to determine the extremum value.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The iteratee invoked per iteration.\n     * @param {Function} comparator The comparator used to compare values.\n     * @returns {*} Returns the extremum value.\n     */\n    function baseExtremum(array, iteratee, comparator) {\n      var index = -1,\n          length = array.length;\n\n      while (++index < length) {\n        var value = array[index],\n            current = iteratee(value);\n\n        if (current != null && (computed === undefined\n              ? (current === current && !isSymbol(current))\n              : comparator(current, computed)\n            )) {\n          var computed = current,\n              result = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.fill` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     */\n    function baseFill(array, value, start, end) {\n      var length = array.length;\n\n      start = toInteger(start);\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = (end === undefined || end > length) ? length : toInteger(end);\n      if (end < 0) {\n        end += length;\n      }\n      end = start > end ? 0 : toLength(end);\n      while (start < end) {\n        array[start++] = value;\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.filter` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     */\n    function baseFilter(collection, predicate) {\n      var result = [];\n      baseEach(collection, function(value, index, collection) {\n        if (predicate(value, index, collection)) {\n          result.push(value);\n        }\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.flatten` with support for restricting flattening.\n     *\n     * @private\n     * @param {Array} array The array to flatten.\n     * @param {number} depth The maximum recursion depth.\n     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n     * @param {Array} [result=[]] The initial result value.\n     * @returns {Array} Returns the new flattened array.\n     */\n    function baseFlatten(array, depth, predicate, isStrict, result) {\n      var index = -1,\n          length = array.length;\n\n      predicate || (predicate = isFlattenable);\n      result || (result = []);\n\n      while (++index < length) {\n        var value = array[index];\n        if (depth > 0 && predicate(value)) {\n          if (depth > 1) {\n            // Recursively flatten arrays (susceptible to call stack limits).\n            baseFlatten(value, depth - 1, predicate, isStrict, result);\n          } else {\n            arrayPush(result, value);\n          }\n        } else if (!isStrict) {\n          result[result.length] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `baseForOwn` which iterates over `object`\n     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseFor = createBaseFor();\n\n    /**\n     * This function is like `baseFor` except that it iterates over properties\n     * in the opposite order.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseForRight = createBaseFor(true);\n\n    /**\n     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwn(object, iteratee) {\n      return object && baseFor(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwnRight(object, iteratee) {\n      return object && baseForRight(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.functions` which creates an array of\n     * `object` function property names filtered from `props`.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Array} props The property names to filter.\n     * @returns {Array} Returns the function names.\n     */\n    function baseFunctions(object, props) {\n      return arrayFilter(props, function(key) {\n        return isFunction(object[key]);\n      });\n    }\n\n    /**\n     * The base implementation of `_.get` without support for default values.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseGet(object, path) {\n      path = castPath(path, object);\n\n      var index = 0,\n          length = path.length;\n\n      while (object != null && index < length) {\n        object = object[toKey(path[index++])];\n      }\n      return (index && index == length) ? object : undefined;\n    }\n\n    /**\n     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n      var result = keysFunc(object);\n      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n    }\n\n    /**\n     * The base implementation of `getTag` without fallbacks for buggy environments.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    function baseGetTag(value) {\n      if (value == null) {\n        return value === undefined ? undefinedTag : nullTag;\n      }\n      return (symToStringTag && symToStringTag in Object(value))\n        ? getRawTag(value)\n        : objectToString(value);\n    }\n\n    /**\n     * The base implementation of `_.gt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     */\n    function baseGt(value, other) {\n      return value > other;\n    }\n\n    /**\n     * The base implementation of `_.has` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHas(object, key) {\n      return object != null && hasOwnProperty.call(object, key);\n    }\n\n    /**\n     * The base implementation of `_.hasIn` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHasIn(object, key) {\n      return object != null && key in Object(object);\n    }\n\n    /**\n     * The base implementation of `_.inRange` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to check.\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     */\n    function baseInRange(number, start, end) {\n      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n    }\n\n    /**\n     * The base implementation of methods like `_.intersection`, without support\n     * for iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of shared values.\n     */\n    function baseIntersection(arrays, iteratee, comparator) {\n      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n          length = arrays[0].length,\n          othLength = arrays.length,\n          othIndex = othLength,\n          caches = Array(othLength),\n          maxLength = Infinity,\n          result = [];\n\n      while (othIndex--) {\n        var array = arrays[othIndex];\n        if (othIndex && iteratee) {\n          array = arrayMap(array, baseUnary(iteratee));\n        }\n        maxLength = nativeMin(array.length, maxLength);\n        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n          ? new SetCache(othIndex && array)\n          : undefined;\n      }\n      array = arrays[0];\n\n      var index = -1,\n          seen = caches[0];\n\n      outer:\n      while (++index < length && result.length < maxLength) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (!(seen\n              ? cacheHas(seen, computed)\n              : includes(result, computed, comparator)\n            )) {\n          othIndex = othLength;\n          while (--othIndex) {\n            var cache = caches[othIndex];\n            if (!(cache\n                  ? cacheHas(cache, computed)\n                  : includes(arrays[othIndex], computed, comparator))\n                ) {\n              continue outer;\n            }\n          }\n          if (seen) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.invert` and `_.invertBy` which inverts\n     * `object` with values transformed by `iteratee` and set by `setter`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform values.\n     * @param {Object} accumulator The initial inverted object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseInverter(object, setter, iteratee, accumulator) {\n      baseForOwn(object, function(value, key, object) {\n        setter(accumulator, iteratee(value), key, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.invoke` without support for individual\n     * method arguments.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {Array} args The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     */\n    function baseInvoke(object, path, args) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      var func = object == null ? object : object[toKey(last(path))];\n      return func == null ? undefined : apply(func, object, args);\n    }\n\n    /**\n     * The base implementation of `_.isArguments`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     */\n    function baseIsArguments(value) {\n      return isObjectLike(value) && baseGetTag(value) == argsTag;\n    }\n\n    /**\n     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     */\n    function baseIsArrayBuffer(value) {\n      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n    }\n\n    /**\n     * The base implementation of `_.isDate` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     */\n    function baseIsDate(value) {\n      return isObjectLike(value) && baseGetTag(value) == dateTag;\n    }\n\n    /**\n     * The base implementation of `_.isEqual` which supports partial comparisons\n     * and tracks traversed objects.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Unordered comparison\n     *  2 - Partial comparison\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     */\n    function baseIsEqual(value, other, bitmask, customizer, stack) {\n      if (value === other) {\n        return true;\n      }\n      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n        return value !== value && other !== other;\n      }\n      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n    }\n\n    /**\n     * A specialized version of `baseIsEqual` for arrays and objects which performs\n     * deep comparisons and tracks traversed objects enabling objects with circular\n     * references to be compared.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n      var objIsArr = isArray(object),\n          othIsArr = isArray(other),\n          objTag = objIsArr ? arrayTag : getTag(object),\n          othTag = othIsArr ? arrayTag : getTag(other);\n\n      objTag = objTag == argsTag ? objectTag : objTag;\n      othTag = othTag == argsTag ? objectTag : othTag;\n\n      var objIsObj = objTag == objectTag,\n          othIsObj = othTag == objectTag,\n          isSameTag = objTag == othTag;\n\n      if (isSameTag && isBuffer(object)) {\n        if (!isBuffer(other)) {\n          return false;\n        }\n        objIsArr = true;\n        objIsObj = false;\n      }\n      if (isSameTag && !objIsObj) {\n        stack || (stack = new Stack);\n        return (objIsArr || isTypedArray(object))\n          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n      }\n      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n        if (objIsWrapped || othIsWrapped) {\n          var objUnwrapped = objIsWrapped ? object.value() : object,\n              othUnwrapped = othIsWrapped ? other.value() : other;\n\n          stack || (stack = new Stack);\n          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n        }\n      }\n      if (!isSameTag) {\n        return false;\n      }\n      stack || (stack = new Stack);\n      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n    }\n\n    /**\n     * The base implementation of `_.isMap` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     */\n    function baseIsMap(value) {\n      return isObjectLike(value) && getTag(value) == mapTag;\n    }\n\n    /**\n     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Array} matchData The property names, values, and compare flags to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     */\n    function baseIsMatch(object, source, matchData, customizer) {\n      var index = matchData.length,\n          length = index,\n          noCustomizer = !customizer;\n\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (index--) {\n        var data = matchData[index];\n        if ((noCustomizer && data[2])\n              ? data[1] !== object[data[0]]\n              : !(data[0] in object)\n            ) {\n          return false;\n        }\n      }\n      while (++index < length) {\n        data = matchData[index];\n        var key = data[0],\n            objValue = object[key],\n            srcValue = data[1];\n\n        if (noCustomizer && data[2]) {\n          if (objValue === undefined && !(key in object)) {\n            return false;\n          }\n        } else {\n          var stack = new Stack;\n          if (customizer) {\n            var result = customizer(objValue, srcValue, key, object, source, stack);\n          }\n          if (!(result === undefined\n                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n                : result\n              )) {\n            return false;\n          }\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.isNative` without bad shim checks.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     */\n    function baseIsNative(value) {\n      if (!isObject(value) || isMasked(value)) {\n        return false;\n      }\n      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n      return pattern.test(toSource(value));\n    }\n\n    /**\n     * The base implementation of `_.isRegExp` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     */\n    function baseIsRegExp(value) {\n      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n    }\n\n    /**\n     * The base implementation of `_.isSet` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     */\n    function baseIsSet(value) {\n      return isObjectLike(value) && getTag(value) == setTag;\n    }\n\n    /**\n     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     */\n    function baseIsTypedArray(value) {\n      return isObjectLike(value) &&\n        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n    }\n\n    /**\n     * The base implementation of `_.iteratee`.\n     *\n     * @private\n     * @param {*} [value=_.identity] The value to convert to an iteratee.\n     * @returns {Function} Returns the iteratee.\n     */\n    function baseIteratee(value) {\n      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n      if (typeof value == 'function') {\n        return value;\n      }\n      if (value == null) {\n        return identity;\n      }\n      if (typeof value == 'object') {\n        return isArray(value)\n          ? baseMatchesProperty(value[0], value[1])\n          : baseMatches(value);\n      }\n      return property(value);\n    }\n\n    /**\n     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeys(object) {\n      if (!isPrototype(object)) {\n        return nativeKeys(object);\n      }\n      var result = [];\n      for (var key in Object(object)) {\n        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeysIn(object) {\n      if (!isObject(object)) {\n        return nativeKeysIn(object);\n      }\n      var isProto = isPrototype(object),\n          result = [];\n\n      for (var key in object) {\n        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.lt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     */\n    function baseLt(value, other) {\n      return value < other;\n    }\n\n    /**\n     * The base implementation of `_.map` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     */\n    function baseMap(collection, iteratee) {\n      var index = -1,\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value, key, collection) {\n        result[++index] = iteratee(value, key, collection);\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.matches` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatches(source) {\n      var matchData = getMatchData(source);\n      if (matchData.length == 1 && matchData[0][2]) {\n        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n      }\n      return function(object) {\n        return object === source || baseIsMatch(object, source, matchData);\n      };\n    }\n\n    /**\n     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n     *\n     * @private\n     * @param {string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatchesProperty(path, srcValue) {\n      if (isKey(path) && isStrictComparable(srcValue)) {\n        return matchesStrictComparable(toKey(path), srcValue);\n      }\n      return function(object) {\n        var objValue = get(object, path);\n        return (objValue === undefined && objValue === srcValue)\n          ? hasIn(object, path)\n          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n      };\n    }\n\n    /**\n     * The base implementation of `_.merge` without support for multiple sources.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} [customizer] The function to customize merged values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMerge(object, source, srcIndex, customizer, stack) {\n      if (object === source) {\n        return;\n      }\n      baseFor(source, function(srcValue, key) {\n        if (isObject(srcValue)) {\n          stack || (stack = new Stack);\n          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n        }\n        else {\n          var newValue = customizer\n            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n            : undefined;\n\n          if (newValue === undefined) {\n            newValue = srcValue;\n          }\n          assignMergeValue(object, key, newValue);\n        }\n      }, keysIn);\n    }\n\n    /**\n     * A specialized version of `baseMerge` for arrays and objects which performs\n     * deep merges and tracks traversed objects enabling objects with circular\n     * references to be merged.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {string} key The key of the value to merge.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} mergeFunc The function to merge values.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n      var objValue = object[key],\n          srcValue = source[key],\n          stacked = stack.get(srcValue);\n\n      if (stacked) {\n        assignMergeValue(object, key, stacked);\n        return;\n      }\n      var newValue = customizer\n        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n        : undefined;\n\n      var isCommon = newValue === undefined;\n\n      if (isCommon) {\n        var isArr = isArray(srcValue),\n            isBuff = !isArr && isBuffer(srcValue),\n            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n        newValue = srcValue;\n        if (isArr || isBuff || isTyped) {\n          if (isArray(objValue)) {\n            newValue = objValue;\n          }\n          else if (isArrayLikeObject(objValue)) {\n            newValue = copyArray(objValue);\n          }\n          else if (isBuff) {\n            isCommon = false;\n            newValue = cloneBuffer(srcValue, true);\n          }\n          else if (isTyped) {\n            isCommon = false;\n            newValue = cloneTypedArray(srcValue, true);\n          }\n          else {\n            newValue = [];\n          }\n        }\n        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n          newValue = objValue;\n          if (isArguments(objValue)) {\n            newValue = toPlainObject(objValue);\n          }\n          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n            newValue = initCloneObject(srcValue);\n          }\n        }\n        else {\n          isCommon = false;\n        }\n      }\n      if (isCommon) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, newValue);\n        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n        stack['delete'](srcValue);\n      }\n      assignMergeValue(object, key, newValue);\n    }\n\n    /**\n     * The base implementation of `_.nth` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {number} n The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     */\n    function baseNth(array, n) {\n      var length = array.length;\n      if (!length) {\n        return;\n      }\n      n += n < 0 ? length : 0;\n      return isIndex(n, length) ? array[n] : undefined;\n    }\n\n    /**\n     * The base implementation of `_.orderBy` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n     * @param {string[]} orders The sort orders of `iteratees`.\n     * @returns {Array} Returns the new sorted array.\n     */\n    function baseOrderBy(collection, iteratees, orders) {\n      var index = -1;\n      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\n      var result = baseMap(collection, function(value, key, collection) {\n        var criteria = arrayMap(iteratees, function(iteratee) {\n          return iteratee(value);\n        });\n        return { 'criteria': criteria, 'index': ++index, 'value': value };\n      });\n\n      return baseSortBy(result, function(object, other) {\n        return compareMultiple(object, other, orders);\n      });\n    }\n\n    /**\n     * The base implementation of `_.pick` without support for individual\n     * property identifiers.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Object} Returns the new object.\n     */\n    function basePick(object, paths) {\n      return basePickBy(object, paths, function(value, path) {\n        return hasIn(object, path);\n      });\n    }\n\n    /**\n     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @param {Function} predicate The function invoked per property.\n     * @returns {Object} Returns the new object.\n     */\n    function basePickBy(object, paths, predicate) {\n      var index = -1,\n          length = paths.length,\n          result = {};\n\n      while (++index < length) {\n        var path = paths[index],\n            value = baseGet(object, path);\n\n        if (predicate(value, path)) {\n          baseSet(result, castPath(path, object), value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseProperty` which supports deep paths.\n     *\n     * @private\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     */\n    function basePropertyDeep(path) {\n      return function(object) {\n        return baseGet(object, path);\n      };\n    }\n\n    /**\n     * The base implementation of `_.pullAllBy` without support for iteratee\n     * shorthands.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAll(array, values, iteratee, comparator) {\n      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n          index = -1,\n          length = values.length,\n          seen = array;\n\n      if (array === values) {\n        values = copyArray(values);\n      }\n      if (iteratee) {\n        seen = arrayMap(array, baseUnary(iteratee));\n      }\n      while (++index < length) {\n        var fromIndex = 0,\n            value = values[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n          if (seen !== array) {\n            splice.call(seen, fromIndex, 1);\n          }\n          splice.call(array, fromIndex, 1);\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.pullAt` without support for individual\n     * indexes or capturing the removed elements.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {number[]} indexes The indexes of elements to remove.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAt(array, indexes) {\n      var length = array ? indexes.length : 0,\n          lastIndex = length - 1;\n\n      while (length--) {\n        var index = indexes[length];\n        if (length == lastIndex || index !== previous) {\n          var previous = index;\n          if (isIndex(index)) {\n            splice.call(array, index, 1);\n          } else {\n            baseUnset(array, index);\n          }\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.random` without support for returning\n     * floating-point numbers.\n     *\n     * @private\n     * @param {number} lower The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the random number.\n     */\n    function baseRandom(lower, upper) {\n      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n    }\n\n    /**\n     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n     * coerce arguments.\n     *\n     * @private\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} step The value to increment or decrement by.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the range of numbers.\n     */\n    function baseRange(start, end, step, fromRight) {\n      var index = -1,\n          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n          result = Array(length);\n\n      while (length--) {\n        result[fromRight ? length : ++index] = start;\n        start += step;\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.repeat` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {string} string The string to repeat.\n     * @param {number} n The number of times to repeat the string.\n     * @returns {string} Returns the repeated string.\n     */\n    function baseRepeat(string, n) {\n      var result = '';\n      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n        return result;\n      }\n      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n      do {\n        if (n % 2) {\n          result += string;\n        }\n        n = nativeFloor(n / 2);\n        if (n) {\n          string += string;\n        }\n      } while (n);\n\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     */\n    function baseRest(func, start) {\n      return setToString(overRest(func, start, identity), func + '');\n    }\n\n    /**\n     * The base implementation of `_.sample`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     */\n    function baseSample(collection) {\n      return arraySample(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.sampleSize` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function baseSampleSize(collection, n) {\n      var array = values(collection);\n      return shuffleSelf(array, baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * The base implementation of `_.set`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseSet(object, path, value, customizer) {\n      if (!isObject(object)) {\n        return object;\n      }\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          lastIndex = length - 1,\n          nested = object;\n\n      while (nested != null && ++index < length) {\n        var key = toKey(path[index]),\n            newValue = value;\n\n        if (index != lastIndex) {\n          var objValue = nested[key];\n          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n          if (newValue === undefined) {\n            newValue = isObject(objValue)\n              ? objValue\n              : (isIndex(path[index + 1]) ? [] : {});\n          }\n        }\n        assignValue(nested, key, newValue);\n        nested = nested[key];\n      }\n      return object;\n    }\n\n    /**\n     * The base implementation of `setData` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetData = !metaMap ? identity : function(func, data) {\n      metaMap.set(func, data);\n      return func;\n    };\n\n    /**\n     * The base implementation of `setToString` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetToString = !defineProperty ? identity : function(func, string) {\n      return defineProperty(func, 'toString', {\n        'configurable': true,\n        'enumerable': false,\n        'value': constant(string),\n        'writable': true\n      });\n    };\n\n    /**\n     * The base implementation of `_.shuffle`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function baseShuffle(collection) {\n      return shuffleSelf(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.slice` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseSlice(array, start, end) {\n      var index = -1,\n          length = array.length;\n\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = end > length ? length : end;\n      if (end < 0) {\n        end += length;\n      }\n      length = start > end ? 0 : ((end - start) >>> 0);\n      start >>>= 0;\n\n      var result = Array(length);\n      while (++index < length) {\n        result[index] = array[index + start];\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.some` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     */\n    function baseSome(collection, predicate) {\n      var result;\n\n      baseEach(collection, function(value, index, collection) {\n        result = predicate(value, index, collection);\n        return !result;\n      });\n      return !!result;\n    }\n\n    /**\n     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n     * performs a binary search of `array` to determine the index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndex(array, value, retHighest) {\n      var low = 0,\n          high = array == null ? low : array.length;\n\n      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n        while (low < high) {\n          var mid = (low + high) >>> 1,\n              computed = array[mid];\n\n          if (computed !== null && !isSymbol(computed) &&\n              (retHighest ? (computed <= value) : (computed < value))) {\n            low = mid + 1;\n          } else {\n            high = mid;\n          }\n        }\n        return high;\n      }\n      return baseSortedIndexBy(array, value, identity, retHighest);\n    }\n\n    /**\n     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n     * which invokes `iteratee` for `value` and each element of `array` to compute\n     * their sort ranking. The iteratee is invoked with one argument; (value).\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} iteratee The iteratee invoked per element.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n      value = iteratee(value);\n\n      var low = 0,\n          high = array == null ? 0 : array.length,\n          valIsNaN = value !== value,\n          valIsNull = value === null,\n          valIsSymbol = isSymbol(value),\n          valIsUndefined = value === undefined;\n\n      while (low < high) {\n        var mid = nativeFloor((low + high) / 2),\n            computed = iteratee(array[mid]),\n            othIsDefined = computed !== undefined,\n            othIsNull = computed === null,\n            othIsReflexive = computed === computed,\n            othIsSymbol = isSymbol(computed);\n\n        if (valIsNaN) {\n          var setLow = retHighest || othIsReflexive;\n        } else if (valIsUndefined) {\n          setLow = othIsReflexive && (retHighest || othIsDefined);\n        } else if (valIsNull) {\n          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n        } else if (valIsSymbol) {\n          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n        } else if (othIsNull || othIsSymbol) {\n          setLow = false;\n        } else {\n          setLow = retHighest ? (computed <= value) : (computed < value);\n        }\n        if (setLow) {\n          low = mid + 1;\n        } else {\n          high = mid;\n        }\n      }\n      return nativeMin(high, MAX_ARRAY_INDEX);\n    }\n\n    /**\n     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n     * support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseSortedUniq(array, iteratee) {\n      var index = -1,\n          length = array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        if (!index || !eq(computed, seen)) {\n          var seen = computed;\n          result[resIndex++] = value === 0 ? 0 : value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.toNumber` which doesn't ensure correct\n     * conversions of binary, hexadecimal, or octal string values.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     */\n    function baseToNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      return +value;\n    }\n\n    /**\n     * The base implementation of `_.toString` which doesn't convert nullish\n     * values to empty strings.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {string} Returns the string.\n     */\n    function baseToString(value) {\n      // Exit early for strings to avoid a performance hit in some environments.\n      if (typeof value == 'string') {\n        return value;\n      }\n      if (isArray(value)) {\n        // Recursively convert values (susceptible to call stack limits).\n        return arrayMap(value, baseToString) + '';\n      }\n      if (isSymbol(value)) {\n        return symbolToString ? symbolToString.call(value) : '';\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseUniq(array, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          length = array.length,\n          isCommon = true,\n          result = [],\n          seen = result;\n\n      if (comparator) {\n        isCommon = false;\n        includes = arrayIncludesWith;\n      }\n      else if (length >= LARGE_ARRAY_SIZE) {\n        var set = iteratee ? null : createSet(array);\n        if (set) {\n          return setToArray(set);\n        }\n        isCommon = false;\n        includes = cacheHas;\n        seen = new SetCache;\n      }\n      else {\n        seen = iteratee ? [] : result;\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var seenIndex = seen.length;\n          while (seenIndex--) {\n            if (seen[seenIndex] === computed) {\n              continue outer;\n            }\n          }\n          if (iteratee) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n        else if (!includes(seen, computed, comparator)) {\n          if (seen !== result) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.unset`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The property path to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     */\n    function baseUnset(object, path) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      return object == null || delete object[toKey(last(path))];\n    }\n\n    /**\n     * The base implementation of `_.update`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to update.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseUpdate(object, path, updater, customizer) {\n      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n    }\n\n    /**\n     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n     * without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {Function} predicate The function invoked per iteration.\n     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseWhile(array, predicate, isDrop, fromRight) {\n      var length = array.length,\n          index = fromRight ? length : -1;\n\n      while ((fromRight ? index-- : ++index < length) &&\n        predicate(array[index], index, array)) {}\n\n      return isDrop\n        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n    }\n\n    /**\n     * The base implementation of `wrapperValue` which returns the result of\n     * performing a sequence of actions on the unwrapped `value`, where each\n     * successive action is supplied the return value of the previous.\n     *\n     * @private\n     * @param {*} value The unwrapped value.\n     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseWrapperValue(value, actions) {\n      var result = value;\n      if (result instanceof LazyWrapper) {\n        result = result.value();\n      }\n      return arrayReduce(actions, function(result, action) {\n        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n      }, result);\n    }\n\n    /**\n     * The base implementation of methods like `_.xor`, without support for\n     * iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of values.\n     */\n    function baseXor(arrays, iteratee, comparator) {\n      var length = arrays.length;\n      if (length < 2) {\n        return length ? baseUniq(arrays[0]) : [];\n      }\n      var index = -1,\n          result = Array(length);\n\n      while (++index < length) {\n        var array = arrays[index],\n            othIndex = -1;\n\n        while (++othIndex < length) {\n          if (othIndex != index) {\n            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n          }\n        }\n      }\n      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n    }\n\n    /**\n     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n     *\n     * @private\n     * @param {Array} props The property identifiers.\n     * @param {Array} values The property values.\n     * @param {Function} assignFunc The function to assign values.\n     * @returns {Object} Returns the new object.\n     */\n    function baseZipObject(props, values, assignFunc) {\n      var index = -1,\n          length = props.length,\n          valsLength = values.length,\n          result = {};\n\n      while (++index < length) {\n        var value = index < valsLength ? values[index] : undefined;\n        assignFunc(result, props[index], value);\n      }\n      return result;\n    }\n\n    /**\n     * Casts `value` to an empty array if it's not an array like object.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Array|Object} Returns the cast array-like object.\n     */\n    function castArrayLikeObject(value) {\n      return isArrayLikeObject(value) ? value : [];\n    }\n\n    /**\n     * Casts `value` to `identity` if it's not a function.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Function} Returns cast function.\n     */\n    function castFunction(value) {\n      return typeof value == 'function' ? value : identity;\n    }\n\n    /**\n     * Casts `value` to a path array if it's not one.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {Array} Returns the cast property path array.\n     */\n    function castPath(value, object) {\n      if (isArray(value)) {\n        return value;\n      }\n      return isKey(value, object) ? [value] : stringToPath(toString(value));\n    }\n\n    /**\n     * A `baseRest` alias which can be replaced with `identity` by module\n     * replacement plugins.\n     *\n     * @private\n     * @type {Function}\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    var castRest = baseRest;\n\n    /**\n     * Casts `array` to a slice if it's needed.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {number} start The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the cast slice.\n     */\n    function castSlice(array, start, end) {\n      var length = array.length;\n      end = end === undefined ? length : end;\n      return (!start && end >= length) ? array : baseSlice(array, start, end);\n    }\n\n    /**\n     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n     *\n     * @private\n     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n     */\n    var clearTimeout = ctxClearTimeout || function(id) {\n      return root.clearTimeout(id);\n    };\n\n    /**\n     * Creates a clone of  `buffer`.\n     *\n     * @private\n     * @param {Buffer} buffer The buffer to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Buffer} Returns the cloned buffer.\n     */\n    function cloneBuffer(buffer, isDeep) {\n      if (isDeep) {\n        return buffer.slice();\n      }\n      var length = buffer.length,\n          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n      buffer.copy(result);\n      return result;\n    }\n\n    /**\n     * Creates a clone of `arrayBuffer`.\n     *\n     * @private\n     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n     * @returns {ArrayBuffer} Returns the cloned array buffer.\n     */\n    function cloneArrayBuffer(arrayBuffer) {\n      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n      return result;\n    }\n\n    /**\n     * Creates a clone of `dataView`.\n     *\n     * @private\n     * @param {Object} dataView The data view to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned data view.\n     */\n    function cloneDataView(dataView, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n    }\n\n    /**\n     * Creates a clone of `map`.\n     *\n     * @private\n     * @param {Object} map The map to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned map.\n     */\n    function cloneMap(map, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n      return arrayReduce(array, addMapEntry, new map.constructor);\n    }\n\n    /**\n     * Creates a clone of `regexp`.\n     *\n     * @private\n     * @param {Object} regexp The regexp to clone.\n     * @returns {Object} Returns the cloned regexp.\n     */\n    function cloneRegExp(regexp) {\n      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n      result.lastIndex = regexp.lastIndex;\n      return result;\n    }\n\n    /**\n     * Creates a clone of `set`.\n     *\n     * @private\n     * @param {Object} set The set to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned set.\n     */\n    function cloneSet(set, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n      return arrayReduce(array, addSetEntry, new set.constructor);\n    }\n\n    /**\n     * Creates a clone of the `symbol` object.\n     *\n     * @private\n     * @param {Object} symbol The symbol object to clone.\n     * @returns {Object} Returns the cloned symbol object.\n     */\n    function cloneSymbol(symbol) {\n      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n    }\n\n    /**\n     * Creates a clone of `typedArray`.\n     *\n     * @private\n     * @param {Object} typedArray The typed array to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned typed array.\n     */\n    function cloneTypedArray(typedArray, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n    }\n\n    /**\n     * Compares values to sort them in ascending order.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {number} Returns the sort order indicator for `value`.\n     */\n    function compareAscending(value, other) {\n      if (value !== other) {\n        var valIsDefined = value !== undefined,\n            valIsNull = value === null,\n            valIsReflexive = value === value,\n            valIsSymbol = isSymbol(value);\n\n        var othIsDefined = other !== undefined,\n            othIsNull = other === null,\n            othIsReflexive = other === other,\n            othIsSymbol = isSymbol(other);\n\n        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n            (valIsNull && othIsDefined && othIsReflexive) ||\n            (!valIsDefined && othIsReflexive) ||\n            !valIsReflexive) {\n          return 1;\n        }\n        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n            (othIsNull && valIsDefined && valIsReflexive) ||\n            (!othIsDefined && valIsReflexive) ||\n            !othIsReflexive) {\n          return -1;\n        }\n      }\n      return 0;\n    }\n\n    /**\n     * Used by `_.orderBy` to compare multiple properties of a value to another\n     * and stable sort them.\n     *\n     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n     * of corresponding values.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {boolean[]|string[]} orders The order to sort by for each property.\n     * @returns {number} Returns the sort order indicator for `object`.\n     */\n    function compareMultiple(object, other, orders) {\n      var index = -1,\n          objCriteria = object.criteria,\n          othCriteria = other.criteria,\n          length = objCriteria.length,\n          ordersLength = orders.length;\n\n      while (++index < length) {\n        var result = compareAscending(objCriteria[index], othCriteria[index]);\n        if (result) {\n          if (index >= ordersLength) {\n            return result;\n          }\n          var order = orders[index];\n          return result * (order == 'desc' ? -1 : 1);\n        }\n      }\n      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n      // that causes it, under certain circumstances, to provide the same value for\n      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n      // for more details.\n      //\n      // This also ensures a stable sort in V8 and other engines.\n      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n      return object.index - other.index;\n    }\n\n    /**\n     * Creates an array that is the composition of partially applied arguments,\n     * placeholders, and provided arguments into a single array of arguments.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to prepend to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgs(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersLength = holders.length,\n          leftIndex = -1,\n          leftLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(leftLength + rangeLength),\n          isUncurried = !isCurried;\n\n      while (++leftIndex < leftLength) {\n        result[leftIndex] = partials[leftIndex];\n      }\n      while (++argsIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[holders[argsIndex]] = args[argsIndex];\n        }\n      }\n      while (rangeLength--) {\n        result[leftIndex++] = args[argsIndex++];\n      }\n      return result;\n    }\n\n    /**\n     * This function is like `composeArgs` except that the arguments composition\n     * is tailored for `_.partialRight`.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to append to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgsRight(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersIndex = -1,\n          holdersLength = holders.length,\n          rightIndex = -1,\n          rightLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(rangeLength + rightLength),\n          isUncurried = !isCurried;\n\n      while (++argsIndex < rangeLength) {\n        result[argsIndex] = args[argsIndex];\n      }\n      var offset = argsIndex;\n      while (++rightIndex < rightLength) {\n        result[offset + rightIndex] = partials[rightIndex];\n      }\n      while (++holdersIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[offset + holders[holdersIndex]] = args[argsIndex++];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Copies the values of `source` to `array`.\n     *\n     * @private\n     * @param {Array} source The array to copy values from.\n     * @param {Array} [array=[]] The array to copy values to.\n     * @returns {Array} Returns `array`.\n     */\n    function copyArray(source, array) {\n      var index = -1,\n          length = source.length;\n\n      array || (array = Array(length));\n      while (++index < length) {\n        array[index] = source[index];\n      }\n      return array;\n    }\n\n    /**\n     * Copies properties of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy properties from.\n     * @param {Array} props The property identifiers to copy.\n     * @param {Object} [object={}] The object to copy properties to.\n     * @param {Function} [customizer] The function to customize copied values.\n     * @returns {Object} Returns `object`.\n     */\n    function copyObject(source, props, object, customizer) {\n      var isNew = !object;\n      object || (object = {});\n\n      var index = -1,\n          length = props.length;\n\n      while (++index < length) {\n        var key = props[index];\n\n        var newValue = customizer\n          ? customizer(object[key], source[key], key, object, source)\n          : undefined;\n\n        if (newValue === undefined) {\n          newValue = source[key];\n        }\n        if (isNew) {\n          baseAssignValue(object, key, newValue);\n        } else {\n          assignValue(object, key, newValue);\n        }\n      }\n      return object;\n    }\n\n    /**\n     * Copies own symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbols(source, object) {\n      return copyObject(source, getSymbols(source), object);\n    }\n\n    /**\n     * Copies own and inherited symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbolsIn(source, object) {\n      return copyObject(source, getSymbolsIn(source), object);\n    }\n\n    /**\n     * Creates a function like `_.groupBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} [initializer] The accumulator object initializer.\n     * @returns {Function} Returns the new aggregator function.\n     */\n    function createAggregator(setter, initializer) {\n      return function(collection, iteratee) {\n        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n            accumulator = initializer ? initializer() : {};\n\n        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n      };\n    }\n\n    /**\n     * Creates a function like `_.assign`.\n     *\n     * @private\n     * @param {Function} assigner The function to assign values.\n     * @returns {Function} Returns the new assigner function.\n     */\n    function createAssigner(assigner) {\n      return baseRest(function(object, sources) {\n        var index = -1,\n            length = sources.length,\n            customizer = length > 1 ? sources[length - 1] : undefined,\n            guard = length > 2 ? sources[2] : undefined;\n\n        customizer = (assigner.length > 3 && typeof customizer == 'function')\n          ? (length--, customizer)\n          : undefined;\n\n        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n          customizer = length < 3 ? undefined : customizer;\n          length = 1;\n        }\n        object = Object(object);\n        while (++index < length) {\n          var source = sources[index];\n          if (source) {\n            assigner(object, source, index, customizer);\n          }\n        }\n        return object;\n      });\n    }\n\n    /**\n     * Creates a `baseEach` or `baseEachRight` function.\n     *\n     * @private\n     * @param {Function} eachFunc The function to iterate over a collection.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseEach(eachFunc, fromRight) {\n      return function(collection, iteratee) {\n        if (collection == null) {\n          return collection;\n        }\n        if (!isArrayLike(collection)) {\n          return eachFunc(collection, iteratee);\n        }\n        var length = collection.length,\n            index = fromRight ? length : -1,\n            iterable = Object(collection);\n\n        while ((fromRight ? index-- : ++index < length)) {\n          if (iteratee(iterable[index], index, iterable) === false) {\n            break;\n          }\n        }\n        return collection;\n      };\n    }\n\n    /**\n     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseFor(fromRight) {\n      return function(object, iteratee, keysFunc) {\n        var index = -1,\n            iterable = Object(object),\n            props = keysFunc(object),\n            length = props.length;\n\n        while (length--) {\n          var key = props[fromRight ? length : ++index];\n          if (iteratee(iterable[key], key, iterable) === false) {\n            break;\n          }\n        }\n        return object;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the optional `this`\n     * binding of `thisArg`.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createBind(func, bitmask, thisArg) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return fn.apply(isBind ? thisArg : this, arguments);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.lowerFirst`.\n     *\n     * @private\n     * @param {string} methodName The name of the `String` case method to use.\n     * @returns {Function} Returns the new case function.\n     */\n    function createCaseFirst(methodName) {\n      return function(string) {\n        string = toString(string);\n\n        var strSymbols = hasUnicode(string)\n          ? stringToArray(string)\n          : undefined;\n\n        var chr = strSymbols\n          ? strSymbols[0]\n          : string.charAt(0);\n\n        var trailing = strSymbols\n          ? castSlice(strSymbols, 1).join('')\n          : string.slice(1);\n\n        return chr[methodName]() + trailing;\n      };\n    }\n\n    /**\n     * Creates a function like `_.camelCase`.\n     *\n     * @private\n     * @param {Function} callback The function to combine each word.\n     * @returns {Function} Returns the new compounder function.\n     */\n    function createCompounder(callback) {\n      return function(string) {\n        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n      };\n    }\n\n    /**\n     * Creates a function that produces an instance of `Ctor` regardless of\n     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n     *\n     * @private\n     * @param {Function} Ctor The constructor to wrap.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCtor(Ctor) {\n      return function() {\n        // Use a `switch` statement to work with class constructors. See\n        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n        // for more details.\n        var args = arguments;\n        switch (args.length) {\n          case 0: return new Ctor;\n          case 1: return new Ctor(args[0]);\n          case 2: return new Ctor(args[0], args[1]);\n          case 3: return new Ctor(args[0], args[1], args[2]);\n          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n        }\n        var thisBinding = baseCreate(Ctor.prototype),\n            result = Ctor.apply(thisBinding, args);\n\n        // Mimic the constructor's `return` behavior.\n        // See https://es5.github.io/#x13.2.2 for more details.\n        return isObject(result) ? result : thisBinding;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to enable currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {number} arity The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCurry(func, bitmask, arity) {\n      var Ctor = createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length,\n            placeholder = getHolder(wrapper);\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n          ? []\n          : replaceHolders(args, placeholder);\n\n        length -= holders.length;\n        if (length < arity) {\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n            args, holders, undefined, undefined, arity - length);\n        }\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return apply(fn, this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.find` or `_.findLast` function.\n     *\n     * @private\n     * @param {Function} findIndexFunc The function to find the collection index.\n     * @returns {Function} Returns the new find function.\n     */\n    function createFind(findIndexFunc) {\n      return function(collection, predicate, fromIndex) {\n        var iterable = Object(collection);\n        if (!isArrayLike(collection)) {\n          var iteratee = getIteratee(predicate, 3);\n          collection = keys(collection);\n          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n        }\n        var index = findIndexFunc(collection, predicate, fromIndex);\n        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n      };\n    }\n\n    /**\n     * Creates a `_.flow` or `_.flowRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new flow function.\n     */\n    function createFlow(fromRight) {\n      return flatRest(function(funcs) {\n        var length = funcs.length,\n            index = length,\n            prereq = LodashWrapper.prototype.thru;\n\n        if (fromRight) {\n          funcs.reverse();\n        }\n        while (index--) {\n          var func = funcs[index];\n          if (typeof func != 'function') {\n            throw new TypeError(FUNC_ERROR_TEXT);\n          }\n          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n            var wrapper = new LodashWrapper([], true);\n          }\n        }\n        index = wrapper ? index : length;\n        while (++index < length) {\n          func = funcs[index];\n\n          var funcName = getFuncName(func),\n              data = funcName == 'wrapper' ? getData(func) : undefined;\n\n          if (data && isLaziable(data[0]) &&\n                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n                !data[4].length && data[9] == 1\n              ) {\n            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n          } else {\n            wrapper = (func.length == 1 && isLaziable(func))\n              ? wrapper[funcName]()\n              : wrapper.thru(func);\n          }\n        }\n        return function() {\n          var args = arguments,\n              value = args[0];\n\n          if (wrapper && args.length == 1 && isArray(value)) {\n            return wrapper.plant(value).value();\n          }\n          var index = 0,\n              result = length ? funcs[index].apply(this, args) : value;\n\n          while (++index < length) {\n            result = funcs[index].call(this, result);\n          }\n          return result;\n        };\n      });\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with optional `this`\n     * binding of `thisArg`, partial application, and currying.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [partialsRight] The arguments to append to those provided\n     *  to the new function.\n     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n      var isAry = bitmask & WRAP_ARY_FLAG,\n          isBind = bitmask & WRAP_BIND_FLAG,\n          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n          isFlip = bitmask & WRAP_FLIP_FLAG,\n          Ctor = isBindKey ? undefined : createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length;\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        if (isCurried) {\n          var placeholder = getHolder(wrapper),\n              holdersCount = countHolders(args, placeholder);\n        }\n        if (partials) {\n          args = composeArgs(args, partials, holders, isCurried);\n        }\n        if (partialsRight) {\n          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n        }\n        length -= holdersCount;\n        if (isCurried && length < arity) {\n          var newHolders = replaceHolders(args, placeholder);\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n            args, newHolders, argPos, ary, arity - length\n          );\n        }\n        var thisBinding = isBind ? thisArg : this,\n            fn = isBindKey ? thisBinding[func] : func;\n\n        length = args.length;\n        if (argPos) {\n          args = reorder(args, argPos);\n        } else if (isFlip && length > 1) {\n          args.reverse();\n        }\n        if (isAry && ary < length) {\n          args.length = ary;\n        }\n        if (this && this !== root && this instanceof wrapper) {\n          fn = Ctor || createCtor(fn);\n        }\n        return fn.apply(thisBinding, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.invertBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} toIteratee The function to resolve iteratees.\n     * @returns {Function} Returns the new inverter function.\n     */\n    function createInverter(setter, toIteratee) {\n      return function(object, iteratee) {\n        return baseInverter(object, setter, toIteratee(iteratee), {});\n      };\n    }\n\n    /**\n     * Creates a function that performs a mathematical operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @param {number} [defaultValue] The value used for `undefined` arguments.\n     * @returns {Function} Returns the new mathematical operation function.\n     */\n    function createMathOperation(operator, defaultValue) {\n      return function(value, other) {\n        var result;\n        if (value === undefined && other === undefined) {\n          return defaultValue;\n        }\n        if (value !== undefined) {\n          result = value;\n        }\n        if (other !== undefined) {\n          if (result === undefined) {\n            return other;\n          }\n          if (typeof value == 'string' || typeof other == 'string') {\n            value = baseToString(value);\n            other = baseToString(other);\n          } else {\n            value = baseToNumber(value);\n            other = baseToNumber(other);\n          }\n          result = operator(value, other);\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function like `_.over`.\n     *\n     * @private\n     * @param {Function} arrayFunc The function to iterate over iteratees.\n     * @returns {Function} Returns the new over function.\n     */\n    function createOver(arrayFunc) {\n      return flatRest(function(iteratees) {\n        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n        return baseRest(function(args) {\n          var thisArg = this;\n          return arrayFunc(iteratees, function(iteratee) {\n            return apply(iteratee, thisArg, args);\n          });\n        });\n      });\n    }\n\n    /**\n     * Creates the padding for `string` based on `length`. The `chars` string\n     * is truncated if the number of characters exceeds `length`.\n     *\n     * @private\n     * @param {number} length The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padding for `string`.\n     */\n    function createPadding(length, chars) {\n      chars = chars === undefined ? ' ' : baseToString(chars);\n\n      var charsLength = chars.length;\n      if (charsLength < 2) {\n        return charsLength ? baseRepeat(chars, length) : chars;\n      }\n      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n      return hasUnicode(chars)\n        ? castSlice(stringToArray(result), 0, length).join('')\n        : result.slice(0, length);\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the `this` binding\n     * of `thisArg` and `partials` prepended to the arguments it receives.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {Array} partials The arguments to prepend to those provided to\n     *  the new function.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createPartial(func, bitmask, thisArg, partials) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var argsIndex = -1,\n            argsLength = arguments.length,\n            leftIndex = -1,\n            leftLength = partials.length,\n            args = Array(leftLength + argsLength),\n            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n        while (++leftIndex < leftLength) {\n          args[leftIndex] = partials[leftIndex];\n        }\n        while (argsLength--) {\n          args[leftIndex++] = arguments[++argsIndex];\n        }\n        return apply(fn, isBind ? thisArg : this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.range` or `_.rangeRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new range function.\n     */\n    function createRange(fromRight) {\n      return function(start, end, step) {\n        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n          end = step = undefined;\n        }\n        // Ensure the sign of `-0` is preserved.\n        start = toFinite(start);\n        if (end === undefined) {\n          end = start;\n          start = 0;\n        } else {\n          end = toFinite(end);\n        }\n        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n        return baseRange(start, end, step, fromRight);\n      };\n    }\n\n    /**\n     * Creates a function that performs a relational operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @returns {Function} Returns the new relational operation function.\n     */\n    function createRelationalOperation(operator) {\n      return function(value, other) {\n        if (!(typeof value == 'string' && typeof other == 'string')) {\n          value = toNumber(value);\n          other = toNumber(other);\n        }\n        return operator(value, other);\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to continue currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {Function} wrapFunc The function to create the `func` wrapper.\n     * @param {*} placeholder The placeholder value.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n      var isCurry = bitmask & WRAP_CURRY_FLAG,\n          newHolders = isCurry ? holders : undefined,\n          newHoldersRight = isCurry ? undefined : holders,\n          newPartials = isCurry ? partials : undefined,\n          newPartialsRight = isCurry ? undefined : partials;\n\n      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n      }\n      var newData = [\n        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n        newHoldersRight, argPos, ary, arity\n      ];\n\n      var result = wrapFunc.apply(undefined, newData);\n      if (isLaziable(func)) {\n        setData(result, newData);\n      }\n      result.placeholder = placeholder;\n      return setWrapToString(result, func, bitmask);\n    }\n\n    /**\n     * Creates a function like `_.round`.\n     *\n     * @private\n     * @param {string} methodName The name of the `Math` method to use when rounding.\n     * @returns {Function} Returns the new round function.\n     */\n    function createRound(methodName) {\n      var func = Math[methodName];\n      return function(number, precision) {\n        number = toNumber(number);\n        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n        if (precision) {\n          // Shift with exponential notation to avoid floating-point issues.\n          // See [MDN](https://mdn.io/round#Examples) for more details.\n          var pair = (toString(number) + 'e').split('e'),\n              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n          pair = (toString(value) + 'e').split('e');\n          return +(pair[0] + 'e' + (+pair[1] - precision));\n        }\n        return func(number);\n      };\n    }\n\n    /**\n     * Creates a set object of `values`.\n     *\n     * @private\n     * @param {Array} values The values to add to the set.\n     * @returns {Object} Returns the new set.\n     */\n    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n      return new Set(values);\n    };\n\n    /**\n     * Creates a `_.toPairs` or `_.toPairsIn` function.\n     *\n     * @private\n     * @param {Function} keysFunc The function to get the keys of a given object.\n     * @returns {Function} Returns the new pairs function.\n     */\n    function createToPairs(keysFunc) {\n      return function(object) {\n        var tag = getTag(object);\n        if (tag == mapTag) {\n          return mapToArray(object);\n        }\n        if (tag == setTag) {\n          return setToPairs(object);\n        }\n        return baseToPairs(object, keysFunc(object));\n      };\n    }\n\n    /**\n     * Creates a function that either curries or invokes `func` with optional\n     * `this` binding and partially applied arguments.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags.\n     *    1 - `_.bind`\n     *    2 - `_.bindKey`\n     *    4 - `_.curry` or `_.curryRight` of a bound function\n     *    8 - `_.curry`\n     *   16 - `_.curryRight`\n     *   32 - `_.partial`\n     *   64 - `_.partialRight`\n     *  128 - `_.rearg`\n     *  256 - `_.ary`\n     *  512 - `_.flip`\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to be partially applied.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n      if (!isBindKey && typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var length = partials ? partials.length : 0;\n      if (!length) {\n        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n        partials = holders = undefined;\n      }\n      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n      arity = arity === undefined ? arity : toInteger(arity);\n      length -= holders ? holders.length : 0;\n\n      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n        var partialsRight = partials,\n            holdersRight = holders;\n\n        partials = holders = undefined;\n      }\n      var data = isBindKey ? undefined : getData(func);\n\n      var newData = [\n        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n        argPos, ary, arity\n      ];\n\n      if (data) {\n        mergeData(newData, data);\n      }\n      func = newData[0];\n      bitmask = newData[1];\n      thisArg = newData[2];\n      partials = newData[3];\n      holders = newData[4];\n      arity = newData[9] = newData[9] === undefined\n        ? (isBindKey ? 0 : func.length)\n        : nativeMax(newData[9] - length, 0);\n\n      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n      }\n      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n        var result = createBind(func, bitmask, thisArg);\n      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n        result = createCurry(func, bitmask, arity);\n      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n        result = createPartial(func, bitmask, thisArg, partials);\n      } else {\n        result = createHybrid.apply(undefined, newData);\n      }\n      var setter = data ? baseSetData : setData;\n      return setWrapToString(setter(result, newData), func, bitmask);\n    }\n\n    /**\n     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n     * of source objects to the destination object for all destination properties\n     * that resolve to `undefined`.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to assign.\n     * @param {Object} object The parent object of `objValue`.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n      if (objValue === undefined ||\n          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n        return srcValue;\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n     * objects into destination objects that are passed thru.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to merge.\n     * @param {Object} object The parent object of `objValue`.\n     * @param {Object} source The parent object of `srcValue`.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n      if (isObject(objValue) && isObject(srcValue)) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, objValue);\n        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n        stack['delete'](srcValue);\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n     * objects.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {string} key The key of the property to inspect.\n     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n     */\n    function customOmitClone(value) {\n      return isPlainObject(value) ? undefined : value;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for arrays with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Array} array The array to compare.\n     * @param {Array} other The other array to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `array` and `other` objects.\n     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n     */\n    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          arrLength = array.length,\n          othLength = other.length;\n\n      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n        return false;\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(array);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var index = -1,\n          result = true,\n          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n      stack.set(array, other);\n      stack.set(other, array);\n\n      // Ignore non-index properties.\n      while (++index < arrLength) {\n        var arrValue = array[index],\n            othValue = other[index];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, arrValue, index, other, array, stack)\n            : customizer(arrValue, othValue, index, array, other, stack);\n        }\n        if (compared !== undefined) {\n          if (compared) {\n            continue;\n          }\n          result = false;\n          break;\n        }\n        // Recursively compare arrays (susceptible to call stack limits).\n        if (seen) {\n          if (!arraySome(other, function(othValue, othIndex) {\n                if (!cacheHas(seen, othIndex) &&\n                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n                  return seen.push(othIndex);\n                }\n              })) {\n            result = false;\n            break;\n          }\n        } else if (!(\n              arrValue === othValue ||\n                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n            )) {\n          result = false;\n          break;\n        }\n      }\n      stack['delete'](array);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for comparing objects of\n     * the same `toStringTag`.\n     *\n     * **Note:** This function only supports comparing values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {string} tag The `toStringTag` of the objects to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n      switch (tag) {\n        case dataViewTag:\n          if ((object.byteLength != other.byteLength) ||\n              (object.byteOffset != other.byteOffset)) {\n            return false;\n          }\n          object = object.buffer;\n          other = other.buffer;\n\n        case arrayBufferTag:\n          if ((object.byteLength != other.byteLength) ||\n              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n            return false;\n          }\n          return true;\n\n        case boolTag:\n        case dateTag:\n        case numberTag:\n          // Coerce booleans to `1` or `0` and dates to milliseconds.\n          // Invalid dates are coerced to `NaN`.\n          return eq(+object, +other);\n\n        case errorTag:\n          return object.name == other.name && object.message == other.message;\n\n        case regexpTag:\n        case stringTag:\n          // Coerce regexes to strings and treat strings, primitives and objects,\n          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n          // for more details.\n          return object == (other + '');\n\n        case mapTag:\n          var convert = mapToArray;\n\n        case setTag:\n          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n          convert || (convert = setToArray);\n\n          if (object.size != other.size && !isPartial) {\n            return false;\n          }\n          // Assume cyclic values are equal.\n          var stacked = stack.get(object);\n          if (stacked) {\n            return stacked == other;\n          }\n          bitmask |= COMPARE_UNORDERED_FLAG;\n\n          // Recursively compare objects (susceptible to call stack limits).\n          stack.set(object, other);\n          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n          stack['delete'](object);\n          return result;\n\n        case symbolTag:\n          if (symbolValueOf) {\n            return symbolValueOf.call(object) == symbolValueOf.call(other);\n          }\n      }\n      return false;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for objects with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          objProps = getAllKeys(object),\n          objLength = objProps.length,\n          othProps = getAllKeys(other),\n          othLength = othProps.length;\n\n      if (objLength != othLength && !isPartial) {\n        return false;\n      }\n      var index = objLength;\n      while (index--) {\n        var key = objProps[index];\n        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n          return false;\n        }\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(object);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var result = true;\n      stack.set(object, other);\n      stack.set(other, object);\n\n      var skipCtor = isPartial;\n      while (++index < objLength) {\n        key = objProps[index];\n        var objValue = object[key],\n            othValue = other[key];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, objValue, key, other, object, stack)\n            : customizer(objValue, othValue, key, object, other, stack);\n        }\n        // Recursively compare objects (susceptible to call stack limits).\n        if (!(compared === undefined\n              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n              : compared\n            )) {\n          result = false;\n          break;\n        }\n        skipCtor || (skipCtor = key == 'constructor');\n      }\n      if (result && !skipCtor) {\n        var objCtor = object.constructor,\n            othCtor = other.constructor;\n\n        // Non `Object` object instances with different constructors are not equal.\n        if (objCtor != othCtor &&\n            ('constructor' in object && 'constructor' in other) &&\n            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n          result = false;\n        }\n      }\n      stack['delete'](object);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseRest` which flattens the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    function flatRest(func) {\n      return setToString(overRest(func, undefined, flatten), func + '');\n    }\n\n    /**\n     * Creates an array of own enumerable property names and symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeys(object) {\n      return baseGetAllKeys(object, keys, getSymbols);\n    }\n\n    /**\n     * Creates an array of own and inherited enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeysIn(object) {\n      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n    }\n\n    /**\n     * Gets metadata for `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {*} Returns the metadata for `func`.\n     */\n    var getData = !metaMap ? noop : function(func) {\n      return metaMap.get(func);\n    };\n\n    /**\n     * Gets the name of `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {string} Returns the function name.\n     */\n    function getFuncName(func) {\n      var result = (func.name + ''),\n          array = realNames[result],\n          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n      while (length--) {\n        var data = array[length],\n            otherFunc = data.func;\n        if (otherFunc == null || otherFunc == func) {\n          return data.name;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Gets the argument placeholder value for `func`.\n     *\n     * @private\n     * @param {Function} func The function to inspect.\n     * @returns {*} Returns the placeholder value.\n     */\n    function getHolder(func) {\n      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n      return object.placeholder;\n    }\n\n    /**\n     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n     * this function returns the custom method, otherwise it returns `baseIteratee`.\n     * If arguments are provided, the chosen function is invoked with them and\n     * its result is returned.\n     *\n     * @private\n     * @param {*} [value] The value to convert to an iteratee.\n     * @param {number} [arity] The arity of the created iteratee.\n     * @returns {Function} Returns the chosen function or its result.\n     */\n    function getIteratee() {\n      var result = lodash.iteratee || iteratee;\n      result = result === iteratee ? baseIteratee : result;\n      return arguments.length ? result(arguments[0], arguments[1]) : result;\n    }\n\n    /**\n     * Gets the data for `map`.\n     *\n     * @private\n     * @param {Object} map The map to query.\n     * @param {string} key The reference key.\n     * @returns {*} Returns the map data.\n     */\n    function getMapData(map, key) {\n      var data = map.__data__;\n      return isKeyable(key)\n        ? data[typeof key == 'string' ? 'string' : 'hash']\n        : data.map;\n    }\n\n    /**\n     * Gets the property names, values, and compare flags of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the match data of `object`.\n     */\n    function getMatchData(object) {\n      var result = keys(object),\n          length = result.length;\n\n      while (length--) {\n        var key = result[length],\n            value = object[key];\n\n        result[length] = [key, value, isStrictComparable(value)];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the native function at `key` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {string} key The key of the method to get.\n     * @returns {*} Returns the function if it's native, else `undefined`.\n     */\n    function getNative(object, key) {\n      var value = getValue(object, key);\n      return baseIsNative(value) ? value : undefined;\n    }\n\n    /**\n     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the raw `toStringTag`.\n     */\n    function getRawTag(value) {\n      var isOwn = hasOwnProperty.call(value, symToStringTag),\n          tag = value[symToStringTag];\n\n      try {\n        value[symToStringTag] = undefined;\n        var unmasked = true;\n      } catch (e) {}\n\n      var result = nativeObjectToString.call(value);\n      if (unmasked) {\n        if (isOwn) {\n          value[symToStringTag] = tag;\n        } else {\n          delete value[symToStringTag];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array of the own enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n      if (object == null) {\n        return [];\n      }\n      object = Object(object);\n      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n        return propertyIsEnumerable.call(object, symbol);\n      });\n    };\n\n    /**\n     * Creates an array of the own and inherited enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n      var result = [];\n      while (object) {\n        arrayPush(result, getSymbols(object));\n        object = getPrototype(object);\n      }\n      return result;\n    };\n\n    /**\n     * Gets the `toStringTag` of `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    var getTag = baseGetTag;\n\n    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n        (Map && getTag(new Map) != mapTag) ||\n        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n        (Set && getTag(new Set) != setTag) ||\n        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n      getTag = function(value) {\n        var result = baseGetTag(value),\n            Ctor = result == objectTag ? value.constructor : undefined,\n            ctorString = Ctor ? toSource(Ctor) : '';\n\n        if (ctorString) {\n          switch (ctorString) {\n            case dataViewCtorString: return dataViewTag;\n            case mapCtorString: return mapTag;\n            case promiseCtorString: return promiseTag;\n            case setCtorString: return setTag;\n            case weakMapCtorString: return weakMapTag;\n          }\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n     *\n     * @private\n     * @param {number} start The start of the view.\n     * @param {number} end The end of the view.\n     * @param {Array} transforms The transformations to apply to the view.\n     * @returns {Object} Returns an object containing the `start` and `end`\n     *  positions of the view.\n     */\n    function getView(start, end, transforms) {\n      var index = -1,\n          length = transforms.length;\n\n      while (++index < length) {\n        var data = transforms[index],\n            size = data.size;\n\n        switch (data.type) {\n          case 'drop':      start += size; break;\n          case 'dropRight': end -= size; break;\n          case 'take':      end = nativeMin(end, start + size); break;\n          case 'takeRight': start = nativeMax(start, end - size); break;\n        }\n      }\n      return { 'start': start, 'end': end };\n    }\n\n    /**\n     * Extracts wrapper details from the `source` body comment.\n     *\n     * @private\n     * @param {string} source The source to inspect.\n     * @returns {Array} Returns the wrapper details.\n     */\n    function getWrapDetails(source) {\n      var match = source.match(reWrapDetails);\n      return match ? match[1].split(reSplitDetails) : [];\n    }\n\n    /**\n     * Checks if `path` exists on `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @param {Function} hasFunc The function to check properties.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     */\n    function hasPath(object, path, hasFunc) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          result = false;\n\n      while (++index < length) {\n        var key = toKey(path[index]);\n        if (!(result = object != null && hasFunc(object, key))) {\n          break;\n        }\n        object = object[key];\n      }\n      if (result || ++index != length) {\n        return result;\n      }\n      length = object == null ? 0 : object.length;\n      return !!length && isLength(length) && isIndex(key, length) &&\n        (isArray(object) || isArguments(object));\n    }\n\n    /**\n     * Initializes an array clone.\n     *\n     * @private\n     * @param {Array} array The array to clone.\n     * @returns {Array} Returns the initialized clone.\n     */\n    function initCloneArray(array) {\n      var length = array.length,\n          result = array.constructor(length);\n\n      // Add properties assigned by `RegExp#exec`.\n      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n        result.index = array.index;\n        result.input = array.input;\n      }\n      return result;\n    }\n\n    /**\n     * Initializes an object clone.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneObject(object) {\n      return (typeof object.constructor == 'function' && !isPrototype(object))\n        ? baseCreate(getPrototype(object))\n        : {};\n    }\n\n    /**\n     * Initializes an object clone based on its `toStringTag`.\n     *\n     * **Note:** This function only supports cloning values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @param {string} tag The `toStringTag` of the object to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n      var Ctor = object.constructor;\n      switch (tag) {\n        case arrayBufferTag:\n          return cloneArrayBuffer(object);\n\n        case boolTag:\n        case dateTag:\n          return new Ctor(+object);\n\n        case dataViewTag:\n          return cloneDataView(object, isDeep);\n\n        case float32Tag: case float64Tag:\n        case int8Tag: case int16Tag: case int32Tag:\n        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n          return cloneTypedArray(object, isDeep);\n\n        case mapTag:\n          return cloneMap(object, isDeep, cloneFunc);\n\n        case numberTag:\n        case stringTag:\n          return new Ctor(object);\n\n        case regexpTag:\n          return cloneRegExp(object);\n\n        case setTag:\n          return cloneSet(object, isDeep, cloneFunc);\n\n        case symbolTag:\n          return cloneSymbol(object);\n      }\n    }\n\n    /**\n     * Inserts wrapper `details` in a comment at the top of the `source` body.\n     *\n     * @private\n     * @param {string} source The source to modify.\n     * @returns {Array} details The details to insert.\n     * @returns {string} Returns the modified source.\n     */\n    function insertWrapDetails(source, details) {\n      var length = details.length;\n      if (!length) {\n        return source;\n      }\n      var lastIndex = length - 1;\n      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n      details = details.join(length > 2 ? ', ' : ' ');\n      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n    }\n\n    /**\n     * Checks if `value` is a flattenable `arguments` object or array.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n     */\n    function isFlattenable(value) {\n      return isArray(value) || isArguments(value) ||\n        !!(spreadableSymbol && value && value[spreadableSymbol]);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like index.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n     */\n    function isIndex(value, length) {\n      length = length == null ? MAX_SAFE_INTEGER : length;\n      return !!length &&\n        (typeof value == 'number' || reIsUint.test(value)) &&\n        (value > -1 && value % 1 == 0 && value < length);\n    }\n\n    /**\n     * Checks if the given arguments are from an iteratee call.\n     *\n     * @private\n     * @param {*} value The potential iteratee value argument.\n     * @param {*} index The potential iteratee index or key argument.\n     * @param {*} object The potential iteratee object argument.\n     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n     *  else `false`.\n     */\n    function isIterateeCall(value, index, object) {\n      if (!isObject(object)) {\n        return false;\n      }\n      var type = typeof index;\n      if (type == 'number'\n            ? (isArrayLike(object) && isIndex(index, object.length))\n            : (type == 'string' && index in object)\n          ) {\n        return eq(object[index], value);\n      }\n      return false;\n    }\n\n    /**\n     * Checks if `value` is a property name and not a property path.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n     */\n    function isKey(value, object) {\n      if (isArray(value)) {\n        return false;\n      }\n      var type = typeof value;\n      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n          value == null || isSymbol(value)) {\n        return true;\n      }\n      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n        (object != null && value in Object(object));\n    }\n\n    /**\n     * Checks if `value` is suitable for use as unique object key.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n     */\n    function isKeyable(value) {\n      var type = typeof value;\n      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n        ? (value !== '__proto__')\n        : (value === null);\n    }\n\n    /**\n     * Checks if `func` has a lazy counterpart.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n     *  else `false`.\n     */\n    function isLaziable(func) {\n      var funcName = getFuncName(func),\n          other = lodash[funcName];\n\n      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n        return false;\n      }\n      if (func === other) {\n        return true;\n      }\n      var data = getData(other);\n      return !!data && func === data[0];\n    }\n\n    /**\n     * Checks if `func` has its source masked.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n     */\n    function isMasked(func) {\n      return !!maskSrcKey && (maskSrcKey in func);\n    }\n\n    /**\n     * Checks if `func` is capable of being masked.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n     */\n    var isMaskable = coreJsData ? isFunction : stubFalse;\n\n    /**\n     * Checks if `value` is likely a prototype object.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n     */\n    function isPrototype(value) {\n      var Ctor = value && value.constructor,\n          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n      return value === proto;\n    }\n\n    /**\n     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` if suitable for strict\n     *  equality comparisons, else `false`.\n     */\n    function isStrictComparable(value) {\n      return value === value && !isObject(value);\n    }\n\n    /**\n     * A specialized version of `matchesProperty` for source values suitable\n     * for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {string} key The key of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function matchesStrictComparable(key, srcValue) {\n      return function(object) {\n        if (object == null) {\n          return false;\n        }\n        return object[key] === srcValue &&\n          (srcValue !== undefined || (key in Object(object)));\n      };\n    }\n\n    /**\n     * A specialized version of `_.memoize` which clears the memoized function's\n     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n     *\n     * @private\n     * @param {Function} func The function to have its output memoized.\n     * @returns {Function} Returns the new memoized function.\n     */\n    function memoizeCapped(func) {\n      var result = memoize(func, function(key) {\n        if (cache.size === MAX_MEMOIZE_SIZE) {\n          cache.clear();\n        }\n        return key;\n      });\n\n      var cache = result.cache;\n      return result;\n    }\n\n    /**\n     * Merges the function metadata of `source` into `data`.\n     *\n     * Merging metadata reduces the number of wrappers used to invoke a function.\n     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n     * may be applied regardless of execution order. Methods like `_.ary` and\n     * `_.rearg` modify function arguments, making the order in which they are\n     * executed important, preventing the merging of metadata. However, we make\n     * an exception for a safe combined case where curried functions have `_.ary`\n     * and or `_.rearg` applied.\n     *\n     * @private\n     * @param {Array} data The destination metadata.\n     * @param {Array} source The source metadata.\n     * @returns {Array} Returns `data`.\n     */\n    function mergeData(data, source) {\n      var bitmask = data[1],\n          srcBitmask = source[1],\n          newBitmask = bitmask | srcBitmask,\n          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n      var isCombo =\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n      // Exit early if metadata can't be merged.\n      if (!(isCommon || isCombo)) {\n        return data;\n      }\n      // Use source `thisArg` if available.\n      if (srcBitmask & WRAP_BIND_FLAG) {\n        data[2] = source[2];\n        // Set when currying a bound function.\n        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n      }\n      // Compose partial arguments.\n      var value = source[3];\n      if (value) {\n        var partials = data[3];\n        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n      }\n      // Compose partial right arguments.\n      value = source[5];\n      if (value) {\n        partials = data[5];\n        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n      }\n      // Use source `argPos` if available.\n      value = source[7];\n      if (value) {\n        data[7] = value;\n      }\n      // Use source `ary` if it's smaller.\n      if (srcBitmask & WRAP_ARY_FLAG) {\n        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n      }\n      // Use source `arity` if one is not provided.\n      if (data[9] == null) {\n        data[9] = source[9];\n      }\n      // Use source `func` and merge bitmasks.\n      data[0] = source[0];\n      data[1] = newBitmask;\n\n      return data;\n    }\n\n    /**\n     * This function is like\n     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * except that it includes inherited enumerable properties.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function nativeKeysIn(object) {\n      var result = [];\n      if (object != null) {\n        for (var key in Object(object)) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a string using `Object.prototype.toString`.\n     *\n     * @private\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     */\n    function objectToString(value) {\n      return nativeObjectToString.call(value);\n    }\n\n    /**\n     * A specialized version of `baseRest` which transforms the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @param {Function} transform The rest array transform.\n     * @returns {Function} Returns the new function.\n     */\n    function overRest(func, start, transform) {\n      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n      return function() {\n        var args = arguments,\n            index = -1,\n            length = nativeMax(args.length - start, 0),\n            array = Array(length);\n\n        while (++index < length) {\n          array[index] = args[start + index];\n        }\n        index = -1;\n        var otherArgs = Array(start + 1);\n        while (++index < start) {\n          otherArgs[index] = args[index];\n        }\n        otherArgs[start] = transform(array);\n        return apply(func, this, otherArgs);\n      };\n    }\n\n    /**\n     * Gets the parent value at `path` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array} path The path to get the parent value of.\n     * @returns {*} Returns the parent value.\n     */\n    function parent(object, path) {\n      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n    }\n\n    /**\n     * Reorder `array` according to the specified indexes where the element at\n     * the first index is assigned as the first element, the element at\n     * the second index is assigned as the second element, and so on.\n     *\n     * @private\n     * @param {Array} array The array to reorder.\n     * @param {Array} indexes The arranged array indexes.\n     * @returns {Array} Returns `array`.\n     */\n    function reorder(array, indexes) {\n      var arrLength = array.length,\n          length = nativeMin(indexes.length, arrLength),\n          oldArray = copyArray(array);\n\n      while (length--) {\n        var index = indexes[length];\n        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n      }\n      return array;\n    }\n\n    /**\n     * Sets metadata for `func`.\n     *\n     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n     * period of time, it will trip its breaker and transition to an identity\n     * function to avoid garbage collection pauses in V8. See\n     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n     * for more details.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var setData = shortOut(baseSetData);\n\n    /**\n     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    var setTimeout = ctxSetTimeout || function(func, wait) {\n      return root.setTimeout(func, wait);\n    };\n\n    /**\n     * Sets the `toString` method of `func` to return `string`.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var setToString = shortOut(baseSetToString);\n\n    /**\n     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n     * with wrapper details in a comment at the top of the source body.\n     *\n     * @private\n     * @param {Function} wrapper The function to modify.\n     * @param {Function} reference The reference function.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Function} Returns `wrapper`.\n     */\n    function setWrapToString(wrapper, reference, bitmask) {\n      var source = (reference + '');\n      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n    }\n\n    /**\n     * Creates a function that'll short out and invoke `identity` instead\n     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n     * milliseconds.\n     *\n     * @private\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new shortable function.\n     */\n    function shortOut(func) {\n      var count = 0,\n          lastCalled = 0;\n\n      return function() {\n        var stamp = nativeNow(),\n            remaining = HOT_SPAN - (stamp - lastCalled);\n\n        lastCalled = stamp;\n        if (remaining > 0) {\n          if (++count >= HOT_COUNT) {\n            return arguments[0];\n          }\n        } else {\n          count = 0;\n        }\n        return func.apply(undefined, arguments);\n      };\n    }\n\n    /**\n     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @param {number} [size=array.length] The size of `array`.\n     * @returns {Array} Returns `array`.\n     */\n    function shuffleSelf(array, size) {\n      var index = -1,\n          length = array.length,\n          lastIndex = length - 1;\n\n      size = size === undefined ? length : size;\n      while (++index < size) {\n        var rand = baseRandom(index, lastIndex),\n            value = array[rand];\n\n        array[rand] = array[index];\n        array[index] = value;\n      }\n      array.length = size;\n      return array;\n    }\n\n    /**\n     * Converts `string` to a property path array.\n     *\n     * @private\n     * @param {string} string The string to convert.\n     * @returns {Array} Returns the property path array.\n     */\n    var stringToPath = memoizeCapped(function(string) {\n      var result = [];\n      if (reLeadingDot.test(string)) {\n        result.push('');\n      }\n      string.replace(rePropName, function(match, number, quote, string) {\n        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n      });\n      return result;\n    });\n\n    /**\n     * Converts `value` to a string key if it's not a string or symbol.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {string|symbol} Returns the key.\n     */\n    function toKey(value) {\n      if (typeof value == 'string' || isSymbol(value)) {\n        return value;\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * Converts `func` to its source code.\n     *\n     * @private\n     * @param {Function} func The function to convert.\n     * @returns {string} Returns the source code.\n     */\n    function toSource(func) {\n      if (func != null) {\n        try {\n          return funcToString.call(func);\n        } catch (e) {}\n        try {\n          return (func + '');\n        } catch (e) {}\n      }\n      return '';\n    }\n\n    /**\n     * Updates wrapper `details` based on `bitmask` flags.\n     *\n     * @private\n     * @returns {Array} details The details to modify.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Array} Returns `details`.\n     */\n    function updateWrapDetails(details, bitmask) {\n      arrayEach(wrapFlags, function(pair) {\n        var value = '_.' + pair[0];\n        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n          details.push(value);\n        }\n      });\n      return details.sort();\n    }\n\n    /**\n     * Creates a clone of `wrapper`.\n     *\n     * @private\n     * @param {Object} wrapper The wrapper to clone.\n     * @returns {Object} Returns the cloned wrapper.\n     */\n    function wrapperClone(wrapper) {\n      if (wrapper instanceof LazyWrapper) {\n        return wrapper.clone();\n      }\n      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n      result.__actions__ = copyArray(wrapper.__actions__);\n      result.__index__  = wrapper.__index__;\n      result.__values__ = wrapper.__values__;\n      return result;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of elements split into groups the length of `size`.\n     * If `array` can't be split evenly, the final chunk will be the remaining\n     * elements.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to process.\n     * @param {number} [size=1] The length of each chunk\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the new array of chunks.\n     * @example\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 2);\n     * // => [['a', 'b'], ['c', 'd']]\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 3);\n     * // => [['a', 'b', 'c'], ['d']]\n     */\n    function chunk(array, size, guard) {\n      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n        size = 1;\n      } else {\n        size = nativeMax(toInteger(size), 0);\n      }\n      var length = array == null ? 0 : array.length;\n      if (!length || size < 1) {\n        return [];\n      }\n      var index = 0,\n          resIndex = 0,\n          result = Array(nativeCeil(length / size));\n\n      while (index < length) {\n        result[resIndex++] = baseSlice(array, index, (index += size));\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array with all falsey values removed. The values `false`, `null`,\n     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to compact.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.compact([0, 1, false, 2, '', 3]);\n     * // => [1, 2, 3]\n     */\n    function compact(array) {\n      var index = -1,\n          length = array == null ? 0 : array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index];\n        if (value) {\n          result[resIndex++] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates a new array concatenating `array` with any additional arrays\n     * and/or values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to concatenate.\n     * @param {...*} [values] The values to concatenate.\n     * @returns {Array} Returns the new concatenated array.\n     * @example\n     *\n     * var array = [1];\n     * var other = _.concat(array, 2, [3], [[4]]);\n     *\n     * console.log(other);\n     * // => [1, 2, 3, [4]]\n     *\n     * console.log(array);\n     * // => [1]\n     */\n    function concat() {\n      var length = arguments.length;\n      if (!length) {\n        return [];\n      }\n      var args = Array(length - 1),\n          array = arguments[0],\n          index = length;\n\n      while (index--) {\n        args[index - 1] = arguments[index];\n      }\n      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n    }\n\n    /**\n     * Creates an array of `array` values not included in the other given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.without, _.xor\n     * @example\n     *\n     * _.difference([2, 1], [2, 3]);\n     * // => [1]\n     */\n    var difference = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `iteratee` which\n     * is invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var differenceBy = baseRest(function(array, values) {\n      var iteratee = last(values);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `comparator`\n     * which is invoked to compare elements of `array` to `values`. The order and\n     * references of result values are determined by the first array. The comparator\n     * is invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     *\n     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }]\n     */\n    var differenceWith = baseRest(function(array, values) {\n      var comparator = last(values);\n      if (isArrayLikeObject(comparator)) {\n        comparator = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.drop([1, 2, 3]);\n     * // => [2, 3]\n     *\n     * _.drop([1, 2, 3], 2);\n     * // => [3]\n     *\n     * _.drop([1, 2, 3], 5);\n     * // => []\n     *\n     * _.drop([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function drop(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.dropRight([1, 2, 3]);\n     * // => [1, 2]\n     *\n     * _.dropRight([1, 2, 3], 2);\n     * // => [1]\n     *\n     * _.dropRight([1, 2, 3], 5);\n     * // => []\n     *\n     * _.dropRight([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function dropRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the end.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.dropRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropRightWhile(users, ['active', false]);\n     * // => objects for ['barney']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropRightWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the beginning.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.dropWhile(users, function(o) { return !o.active; });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropWhile(users, ['active', false]);\n     * // => objects for ['pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true)\n        : [];\n    }\n\n    /**\n     * Fills elements of `array` with `value` from `start` up to, but not\n     * including, `end`.\n     *\n     * **Note:** This method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Array\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.fill(array, 'a');\n     * console.log(array);\n     * // => ['a', 'a', 'a']\n     *\n     * _.fill(Array(3), 2);\n     * // => [2, 2, 2]\n     *\n     * _.fill([4, 6, 8, 10], '*', 1, 3);\n     * // => [4, '*', '*', 10]\n     */\n    function fill(array, value, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n        start = 0;\n        end = length;\n      }\n      return baseFill(array, value, start, end);\n    }\n\n    /**\n     * This method is like `_.find` except that it returns the index of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n     * // => 0\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findIndex(users, { 'user': 'fred', 'active': false });\n     * // => 1\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findIndex(users, ['active', false]);\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findIndex(users, 'active');\n     * // => 2\n     */\n    function findIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index);\n    }\n\n    /**\n     * This method is like `_.findIndex` except that it iterates over elements\n     * of `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n     * // => 2\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n     * // => 0\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastIndex(users, ['active', false]);\n     * // => 2\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastIndex(users, 'active');\n     * // => 0\n     */\n    function findLastIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length - 1;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = fromIndex < 0\n          ? nativeMax(length + index, 0)\n          : nativeMin(index, length - 1);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n    }\n\n    /**\n     * Flattens `array` a single level deep.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flatten([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, [3, [4]], 5]\n     */\n    function flatten(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, 1) : [];\n    }\n\n    /**\n     * Recursively flattens `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, 3, 4, 5]\n     */\n    function flattenDeep(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, INFINITY) : [];\n    }\n\n    /**\n     * Recursively flatten `array` up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * var array = [1, [2, [3, [4]], 5]];\n     *\n     * _.flattenDepth(array, 1);\n     * // => [1, 2, [3, [4]], 5]\n     *\n     * _.flattenDepth(array, 2);\n     * // => [1, 2, 3, [4], 5]\n     */\n    function flattenDepth(array, depth) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(array, depth);\n    }\n\n    /**\n     * The inverse of `_.toPairs`; this method returns an object composed\n     * from key-value `pairs`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} pairs The key-value pairs.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.fromPairs([['a', 1], ['b', 2]]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function fromPairs(pairs) {\n      var index = -1,\n          length = pairs == null ? 0 : pairs.length,\n          result = {};\n\n      while (++index < length) {\n        var pair = pairs[index];\n        result[pair[0]] = pair[1];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias first\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the first element of `array`.\n     * @example\n     *\n     * _.head([1, 2, 3]);\n     * // => 1\n     *\n     * _.head([]);\n     * // => undefined\n     */\n    function head(array) {\n      return (array && array.length) ? array[0] : undefined;\n    }\n\n    /**\n     * Gets the index at which the first occurrence of `value` is found in `array`\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. If `fromIndex` is negative, it's used as the\n     * offset from the end of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.indexOf([1, 2, 1, 2], 2);\n     * // => 1\n     *\n     * // Search from the `fromIndex`.\n     * _.indexOf([1, 2, 1, 2], 2, 2);\n     * // => 3\n     */\n    function indexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseIndexOf(array, value, index);\n    }\n\n    /**\n     * Gets all but the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.initial([1, 2, 3]);\n     * // => [1, 2]\n     */\n    function initial(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 0, -1) : [];\n    }\n\n    /**\n     * Creates an array of unique values that are included in all given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersection([2, 1], [2, 3]);\n     * // => [2]\n     */\n    var intersection = baseRest(function(arrays) {\n      var mapped = arrayMap(arrays, castArrayLikeObject);\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped)\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `iteratee`\n     * which is invoked for each element of each `arrays` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [2.1]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }]\n     */\n    var intersectionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      if (iteratee === last(mapped)) {\n        iteratee = undefined;\n      } else {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `comparator`\n     * which is invoked to compare elements of `arrays`. The order and references\n     * of result values are determined by the first array. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.intersectionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }]\n     */\n    var intersectionWith = baseRest(function(arrays) {\n      var comparator = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      if (comparator) {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Converts all elements in `array` into a string separated by `separator`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to convert.\n     * @param {string} [separator=','] The element separator.\n     * @returns {string} Returns the joined string.\n     * @example\n     *\n     * _.join(['a', 'b', 'c'], '~');\n     * // => 'a~b~c'\n     */\n    function join(array, separator) {\n      return array == null ? '' : nativeJoin.call(array, separator);\n    }\n\n    /**\n     * Gets the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the last element of `array`.\n     * @example\n     *\n     * _.last([1, 2, 3]);\n     * // => 3\n     */\n    function last(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? array[length - 1] : undefined;\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it iterates over elements of\n     * `array` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.lastIndexOf([1, 2, 1, 2], 2);\n     * // => 3\n     *\n     * // Search from the `fromIndex`.\n     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n     * // => 1\n     */\n    function lastIndexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n      }\n      return value === value\n        ? strictLastIndexOf(array, value, index)\n        : baseFindIndex(array, baseIsNaN, index, true);\n    }\n\n    /**\n     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n     * element from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.11.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=0] The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     *\n     * _.nth(array, 1);\n     * // => 'b'\n     *\n     * _.nth(array, -2);\n     * // => 'c';\n     */\n    function nth(array, n) {\n      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n    }\n\n    /**\n     * Removes all given values from `array` using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n     * to remove elements from an array by predicate.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...*} [values] The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pull(array, 'a', 'c');\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    var pull = baseRest(pullAll);\n\n    /**\n     * This method is like `_.pull` except that it accepts an array of values to remove.\n     *\n     * **Note:** Unlike `_.difference`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pullAll(array, ['a', 'c']);\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    function pullAll(array, values) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values)\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n     * invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The iteratee is invoked with one argument: (value).\n     *\n     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n     *\n     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n     * console.log(array);\n     * // => [{ 'x': 2 }]\n     */\n    function pullAllBy(array, values, iteratee) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, getIteratee(iteratee, 2))\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `comparator` which\n     * is invoked to compare elements of `array` to `values`. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n     *\n     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n     * console.log(array);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n     */\n    function pullAllWith(array, values, comparator) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, undefined, comparator)\n        : array;\n    }\n\n    /**\n     * Removes elements from `array` corresponding to `indexes` and returns an\n     * array of removed elements.\n     *\n     * **Note:** Unlike `_.at`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     * var pulled = _.pullAt(array, [1, 3]);\n     *\n     * console.log(array);\n     * // => ['a', 'c']\n     *\n     * console.log(pulled);\n     * // => ['b', 'd']\n     */\n    var pullAt = flatRest(function(array, indexes) {\n      var length = array == null ? 0 : array.length,\n          result = baseAt(array, indexes);\n\n      basePullAt(array, arrayMap(indexes, function(index) {\n        return isIndex(index, length) ? +index : index;\n      }).sort(compareAscending));\n\n      return result;\n    });\n\n    /**\n     * Removes all elements from `array` that `predicate` returns truthy for\n     * and returns an array of the removed elements. The predicate is invoked\n     * with three arguments: (value, index, array).\n     *\n     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n     * to pull elements from an array by value.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = [1, 2, 3, 4];\n     * var evens = _.remove(array, function(n) {\n     *   return n % 2 == 0;\n     * });\n     *\n     * console.log(array);\n     * // => [1, 3]\n     *\n     * console.log(evens);\n     * // => [2, 4]\n     */\n    function remove(array, predicate) {\n      var result = [];\n      if (!(array && array.length)) {\n        return result;\n      }\n      var index = -1,\n          indexes = [],\n          length = array.length;\n\n      predicate = getIteratee(predicate, 3);\n      while (++index < length) {\n        var value = array[index];\n        if (predicate(value, index, array)) {\n          result.push(value);\n          indexes.push(index);\n        }\n      }\n      basePullAt(array, indexes);\n      return result;\n    }\n\n    /**\n     * Reverses `array` so that the first element becomes the last, the second\n     * element becomes the second to last, and so on.\n     *\n     * **Note:** This method mutates `array` and is based on\n     * [`Array#reverse`](https://mdn.io/Array/reverse).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.reverse(array);\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function reverse(array) {\n      return array == null ? array : nativeReverse.call(array);\n    }\n\n    /**\n     * Creates a slice of `array` from `start` up to, but not including, `end`.\n     *\n     * **Note:** This method is used instead of\n     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n     * returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function slice(array, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n        start = 0;\n        end = length;\n      }\n      else {\n        start = start == null ? 0 : toInteger(start);\n        end = end === undefined ? length : toInteger(end);\n      }\n      return baseSlice(array, start, end);\n    }\n\n    /**\n     * Uses a binary search to determine the lowest index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedIndex([30, 50], 40);\n     * // => 1\n     */\n    function sortedIndex(array, value) {\n      return baseSortedIndex(array, value);\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 0\n     */\n    function sortedIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 1\n     */\n    function sortedIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value);\n        if (index < length && eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it returns the highest\n     * index at which `value` should be inserted into `array` in order to\n     * maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n     * // => 4\n     */\n    function sortedLastIndex(array, value) {\n      return baseSortedIndex(array, value, true);\n    }\n\n    /**\n     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 1\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 1\n     */\n    function sortedLastIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n    }\n\n    /**\n     * This method is like `_.lastIndexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 3\n     */\n    function sortedLastIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value, true) - 1;\n        if (eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.uniq` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniq([1, 1, 2]);\n     * // => [1, 2]\n     */\n    function sortedUniq(array) {\n      return (array && array.length)\n        ? baseSortedUniq(array)\n        : [];\n    }\n\n    /**\n     * This method is like `_.uniqBy` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n     * // => [1.1, 2.3]\n     */\n    function sortedUniqBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n        : [];\n    }\n\n    /**\n     * Gets all but the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.tail([1, 2, 3]);\n     * // => [2, 3]\n     */\n    function tail(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 1, length) : [];\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.take([1, 2, 3]);\n     * // => [1]\n     *\n     * _.take([1, 2, 3], 2);\n     * // => [1, 2]\n     *\n     * _.take([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.take([1, 2, 3], 0);\n     * // => []\n     */\n    function take(array, n, guard) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.takeRight([1, 2, 3]);\n     * // => [3]\n     *\n     * _.takeRight([1, 2, 3], 2);\n     * // => [2, 3]\n     *\n     * _.takeRight([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.takeRight([1, 2, 3], 0);\n     * // => []\n     */\n    function takeRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the end. Elements are\n     * taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.takeRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeRightWhile(users, ['active', false]);\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeRightWhile(users, 'active');\n     * // => []\n     */\n    function takeRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the beginning. Elements\n     * are taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.takeWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeWhile(users, ['active', false]);\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeWhile(users, 'active');\n     * // => []\n     */\n    function takeWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3))\n        : [];\n    }\n\n    /**\n     * Creates an array of unique values, in order, from all given arrays using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.union([2], [1, 2]);\n     * // => [2, 1]\n     */\n    var union = baseRest(function(arrays) {\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which uniqueness is computed. Result values are chosen from the first\n     * array in which the value occurs. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    var unionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `comparator` which\n     * is invoked to compare elements of `arrays`. Result values are chosen from\n     * the first array in which the value occurs. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.unionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var unionWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n    });\n\n    /**\n     * Creates a duplicate-free version of an array, using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons, in which only the first occurrence of each element\n     * is kept. The order of result values is determined by the order they occur\n     * in the array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniq([2, 1, 2]);\n     * // => [2, 1]\n     */\n    function uniq(array) {\n      return (array && array.length) ? baseUniq(array) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * uniqueness is computed. The order of result values is determined by the\n     * order they occur in the array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    function uniqBy(array, iteratee) {\n      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `comparator` which\n     * is invoked to compare elements of `array`. The order of result values is\n     * determined by the order they occur in the array.The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.uniqWith(objects, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n     */\n    function uniqWith(array, comparator) {\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts an array of grouped\n     * elements and creates an array regrouping the elements to their pre-zip\n     * configuration.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.2.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     *\n     * _.unzip(zipped);\n     * // => [['a', 'b'], [1, 2], [true, false]]\n     */\n    function unzip(array) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var length = 0;\n      array = arrayFilter(array, function(group) {\n        if (isArrayLikeObject(group)) {\n          length = nativeMax(group.length, length);\n          return true;\n        }\n      });\n      return baseTimes(length, function(index) {\n        return arrayMap(array, baseProperty(index));\n      });\n    }\n\n    /**\n     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n     * how regrouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  regrouped values.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n     * // => [[1, 10, 100], [2, 20, 200]]\n     *\n     * _.unzipWith(zipped, _.add);\n     * // => [3, 30, 300]\n     */\n    function unzipWith(array, iteratee) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var result = unzip(array);\n      if (iteratee == null) {\n        return result;\n      }\n      return arrayMap(result, function(group) {\n        return apply(iteratee, undefined, group);\n      });\n    }\n\n    /**\n     * Creates an array excluding all given values using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.pull`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...*} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.xor\n     * @example\n     *\n     * _.without([2, 1, 2, 3], 1, 2);\n     * // => [3]\n     */\n    var without = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, values)\n        : [];\n    });\n\n    /**\n     * Creates an array of unique values that is the\n     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n     * of the given arrays. The order of result values is determined by the order\n     * they occur in the arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.without\n     * @example\n     *\n     * _.xor([2, 1], [2, 3]);\n     * // => [1, 3]\n     */\n    var xor = baseRest(function(arrays) {\n      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which by which they're compared. The order of result values is determined\n     * by the order they occur in the arrays. The iteratee is invoked with one\n     * argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2, 3.4]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var xorBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `comparator` which is\n     * invoked to compare elements of `arrays`. The order of result values is\n     * determined by the order they occur in the arrays. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.xorWith(objects, others, _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var xorWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n    });\n\n    /**\n     * Creates an array of grouped elements, the first of which contains the\n     * first elements of the given arrays, the second of which contains the\n     * second elements of the given arrays, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     */\n    var zip = baseRest(unzip);\n\n    /**\n     * This method is like `_.fromPairs` except that it accepts two arrays,\n     * one of property identifiers and one of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.4.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObject(['a', 'b'], [1, 2]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function zipObject(props, values) {\n      return baseZipObject(props || [], values || [], assignValue);\n    }\n\n    /**\n     * This method is like `_.zipObject` except that it supports property paths.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n     */\n    function zipObjectDeep(props, values) {\n      return baseZipObject(props || [], values || [], baseSet);\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts `iteratee` to specify\n     * how grouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  grouped values.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n     *   return a + b + c;\n     * });\n     * // => [111, 222]\n     */\n    var zipWith = baseRest(function(arrays) {\n      var length = arrays.length,\n          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n      return unzipWith(arrays, iteratee);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n     * chain sequences enabled. The result of such sequences must be unwrapped\n     * with `_#value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Seq\n     * @param {*} value The value to wrap.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36 },\n     *   { 'user': 'fred',    'age': 40 },\n     *   { 'user': 'pebbles', 'age': 1 }\n     * ];\n     *\n     * var youngest = _\n     *   .chain(users)\n     *   .sortBy('age')\n     *   .map(function(o) {\n     *     return o.user + ' is ' + o.age;\n     *   })\n     *   .head()\n     *   .value();\n     * // => 'pebbles is 1'\n     */\n    function chain(value) {\n      var result = lodash(value);\n      result.__chain__ = true;\n      return result;\n    }\n\n    /**\n     * This method invokes `interceptor` and returns `value`. The interceptor\n     * is invoked with one argument; (value). The purpose of this method is to\n     * \"tap into\" a method chain sequence in order to modify intermediate results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * _([1, 2, 3])\n     *  .tap(function(array) {\n     *    // Mutate input array.\n     *    array.pop();\n     *  })\n     *  .reverse()\n     *  .value();\n     * // => [2, 1]\n     */\n    function tap(value, interceptor) {\n      interceptor(value);\n      return value;\n    }\n\n    /**\n     * This method is like `_.tap` except that it returns the result of `interceptor`.\n     * The purpose of this method is to \"pass thru\" values replacing intermediate\n     * results in a method chain sequence.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns the result of `interceptor`.\n     * @example\n     *\n     * _('  abc  ')\n     *  .chain()\n     *  .trim()\n     *  .thru(function(value) {\n     *    return [value];\n     *  })\n     *  .value();\n     * // => ['abc']\n     */\n    function thru(value, interceptor) {\n      return interceptor(value);\n    }\n\n    /**\n     * This method is the wrapper version of `_.at`.\n     *\n     * @name at\n     * @memberOf _\n     * @since 1.0.0\n     * @category Seq\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _(object).at(['a[0].b.c', 'a[1]']).value();\n     * // => [3, 4]\n     */\n    var wrapperAt = flatRest(function(paths) {\n      var length = paths.length,\n          start = length ? paths[0] : 0,\n          value = this.__wrapped__,\n          interceptor = function(object) { return baseAt(object, paths); };\n\n      if (length > 1 || this.__actions__.length ||\n          !(value instanceof LazyWrapper) || !isIndex(start)) {\n        return this.thru(interceptor);\n      }\n      value = value.slice(start, +start + (length ? 1 : 0));\n      value.__actions__.push({\n        'func': thru,\n        'args': [interceptor],\n        'thisArg': undefined\n      });\n      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n        if (length && !array.length) {\n          array.push(undefined);\n        }\n        return array;\n      });\n    });\n\n    /**\n     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n     *\n     * @name chain\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 }\n     * ];\n     *\n     * // A sequence without explicit chaining.\n     * _(users).head();\n     * // => { 'user': 'barney', 'age': 36 }\n     *\n     * // A sequence with explicit chaining.\n     * _(users)\n     *   .chain()\n     *   .head()\n     *   .pick('user')\n     *   .value();\n     * // => { 'user': 'barney' }\n     */\n    function wrapperChain() {\n      return chain(this);\n    }\n\n    /**\n     * Executes the chain sequence and returns the wrapped result.\n     *\n     * @name commit\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2];\n     * var wrapped = _(array).push(3);\n     *\n     * console.log(array);\n     * // => [1, 2]\n     *\n     * wrapped = wrapped.commit();\n     * console.log(array);\n     * // => [1, 2, 3]\n     *\n     * wrapped.last();\n     * // => 3\n     *\n     * console.log(array);\n     * // => [1, 2, 3]\n     */\n    function wrapperCommit() {\n      return new LodashWrapper(this.value(), this.__chain__);\n    }\n\n    /**\n     * Gets the next value on a wrapped object following the\n     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n     *\n     * @name next\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the next iterator value.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 1 }\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 2 }\n     *\n     * wrapped.next();\n     * // => { 'done': true, 'value': undefined }\n     */\n    function wrapperNext() {\n      if (this.__values__ === undefined) {\n        this.__values__ = toArray(this.value());\n      }\n      var done = this.__index__ >= this.__values__.length,\n          value = done ? undefined : this.__values__[this.__index__++];\n\n      return { 'done': done, 'value': value };\n    }\n\n    /**\n     * Enables the wrapper to be iterable.\n     *\n     * @name Symbol.iterator\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the wrapper object.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped[Symbol.iterator]() === wrapped;\n     * // => true\n     *\n     * Array.from(wrapped);\n     * // => [1, 2]\n     */\n    function wrapperToIterator() {\n      return this;\n    }\n\n    /**\n     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n     *\n     * @name plant\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @param {*} value The value to plant.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2]).map(square);\n     * var other = wrapped.plant([3, 4]);\n     *\n     * other.value();\n     * // => [9, 16]\n     *\n     * wrapped.value();\n     * // => [1, 4]\n     */\n    function wrapperPlant(value) {\n      var result,\n          parent = this;\n\n      while (parent instanceof baseLodash) {\n        var clone = wrapperClone(parent);\n        clone.__index__ = 0;\n        clone.__values__ = undefined;\n        if (result) {\n          previous.__wrapped__ = clone;\n        } else {\n          result = clone;\n        }\n        var previous = clone;\n        parent = parent.__wrapped__;\n      }\n      previous.__wrapped__ = value;\n      return result;\n    }\n\n    /**\n     * This method is the wrapper version of `_.reverse`.\n     *\n     * **Note:** This method mutates the wrapped array.\n     *\n     * @name reverse\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _(array).reverse().value()\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function wrapperReverse() {\n      var value = this.__wrapped__;\n      if (value instanceof LazyWrapper) {\n        var wrapped = value;\n        if (this.__actions__.length) {\n          wrapped = new LazyWrapper(this);\n        }\n        wrapped = wrapped.reverse();\n        wrapped.__actions__.push({\n          'func': thru,\n          'args': [reverse],\n          'thisArg': undefined\n        });\n        return new LodashWrapper(wrapped, this.__chain__);\n      }\n      return this.thru(reverse);\n    }\n\n    /**\n     * Executes the chain sequence to resolve the unwrapped value.\n     *\n     * @name value\n     * @memberOf _\n     * @since 0.1.0\n     * @alias toJSON, valueOf\n     * @category Seq\n     * @returns {*} Returns the resolved unwrapped value.\n     * @example\n     *\n     * _([1, 2, 3]).value();\n     * // => [1, 2, 3]\n     */\n    function wrapperValue() {\n      return baseWrapperValue(this.__wrapped__, this.__actions__);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the number of times the key was returned by `iteratee`. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': 1, '6': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.countBy(['one', 'two', 'three'], 'length');\n     * // => { '3': 2, '5': 1 }\n     */\n    var countBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        ++result[key];\n      } else {\n        baseAssignValue(result, key, 1);\n      }\n    });\n\n    /**\n     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n     * Iteration is stopped once `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * **Note:** This method returns `true` for\n     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n     * elements of empty collections.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.every([true, 1, null, 'yes'], Boolean);\n     * // => false\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.every(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.every(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.every(users, 'active');\n     * // => false\n     */\n    function every(collection, predicate, guard) {\n      var func = isArray(collection) ? arrayEvery : baseEvery;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning an array of all elements\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * **Note:** Unlike `_.remove`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.reject\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * _.filter(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, { 'age': 36, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.filter(users, 'active');\n     * // => objects for ['barney']\n     */\n    function filter(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning the first element\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': true },\n     *   { 'user': 'fred',    'age': 40, 'active': false },\n     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n     * ];\n     *\n     * _.find(users, function(o) { return o.age < 40; });\n     * // => object for 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.find(users, { 'age': 1, 'active': true });\n     * // => object for 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.find(users, ['active', false]);\n     * // => object for 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.find(users, 'active');\n     * // => object for 'barney'\n     */\n    var find = createFind(findIndex);\n\n    /**\n     * This method is like `_.find` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=collection.length-1] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * _.findLast([1, 2, 3, 4], function(n) {\n     *   return n % 2 == 1;\n     * });\n     * // => 3\n     */\n    var findLast = createFind(findLastIndex);\n\n    /**\n     * Creates a flattened array of values by running each element in `collection`\n     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n     * with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [n, n];\n     * }\n     *\n     * _.flatMap([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMap(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), 1);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDeep([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMapDeep(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), INFINITY);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDepth([1, 2], duplicate, 2);\n     * // => [[1, 1], [2, 2]]\n     */\n    function flatMapDepth(collection, iteratee, depth) {\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(map(collection, iteratee), depth);\n    }\n\n    /**\n     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n     * The iteratee is invoked with three arguments: (value, index|key, collection).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n     * or `_.forOwn` for object iteration.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias each\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEachRight\n     * @example\n     *\n     * _.forEach([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `1` then `2`.\n     *\n     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forEach(collection, iteratee) {\n      var func = isArray(collection) ? arrayEach : baseEach;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forEach` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @alias eachRight\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEach\n     * @example\n     *\n     * _.forEachRight([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `2` then `1`.\n     */\n    function forEachRight(collection, iteratee) {\n      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The order of grouped values\n     * is determined by the order they occur in `collection`. The corresponding\n     * value of each key is an array of elements responsible for generating the\n     * key. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': [4.2], '6': [6.1, 6.3] }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.groupBy(['one', 'two', 'three'], 'length');\n     * // => { '3': ['one', 'two'], '5': ['three'] }\n     */\n    var groupBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        result[key].push(value);\n      } else {\n        baseAssignValue(result, key, [value]);\n      }\n    });\n\n    /**\n     * Checks if `value` is in `collection`. If `collection` is a string, it's\n     * checked for a substring of `value`, otherwise\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n     * the offset from the end of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n     * @example\n     *\n     * _.includes([1, 2, 3], 1);\n     * // => true\n     *\n     * _.includes([1, 2, 3], 1, 2);\n     * // => false\n     *\n     * _.includes({ 'a': 1, 'b': 2 }, 1);\n     * // => true\n     *\n     * _.includes('abcd', 'bc');\n     * // => true\n     */\n    function includes(collection, value, fromIndex, guard) {\n      collection = isArrayLike(collection) ? collection : values(collection);\n      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n      var length = collection.length;\n      if (fromIndex < 0) {\n        fromIndex = nativeMax(length + fromIndex, 0);\n      }\n      return isString(collection)\n        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n    }\n\n    /**\n     * Invokes the method at `path` of each element in `collection`, returning\n     * an array of the results of each invoked method. Any additional arguments\n     * are provided to each invoked method. If `path` is a function, it's invoked\n     * for, and `this` bound to, each element in `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array|Function|string} path The path of the method to invoke or\n     *  the function invoked per iteration.\n     * @param {...*} [args] The arguments to invoke each method with.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n     * // => [[1, 5, 7], [1, 2, 3]]\n     *\n     * _.invokeMap([123, 456], String.prototype.split, '');\n     * // => [['1', '2', '3'], ['4', '5', '6']]\n     */\n    var invokeMap = baseRest(function(collection, path, args) {\n      var index = -1,\n          isFunc = typeof path == 'function',\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value) {\n        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n      });\n      return result;\n    });\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the last element responsible for generating the key. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * var array = [\n     *   { 'dir': 'left', 'code': 97 },\n     *   { 'dir': 'right', 'code': 100 }\n     * ];\n     *\n     * _.keyBy(array, function(o) {\n     *   return String.fromCharCode(o.code);\n     * });\n     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n     *\n     * _.keyBy(array, 'dir');\n     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n     */\n    var keyBy = createAggregator(function(result, value, key) {\n      baseAssignValue(result, key, value);\n    });\n\n    /**\n     * Creates an array of values by running each element in `collection` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n     *\n     * The guarded methods are:\n     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * _.map([4, 8], square);\n     * // => [16, 64]\n     *\n     * _.map({ 'a': 4, 'b': 8 }, square);\n     * // => [16, 64] (iteration order is not guaranteed)\n     *\n     * var users = [\n     *   { 'user': 'barney' },\n     *   { 'user': 'fred' }\n     * ];\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, 'user');\n     * // => ['barney', 'fred']\n     */\n    function map(collection, iteratee) {\n      var func = isArray(collection) ? arrayMap : baseMap;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.sortBy` except that it allows specifying the sort\n     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n     * descending or \"asc\" for ascending sort order of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @param {string[]} [orders] The sort orders of `iteratees`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 34 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 36 }\n     * ];\n     *\n     * // Sort by `user` in ascending order and by `age` in descending order.\n     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     */\n    function orderBy(collection, iteratees, orders, guard) {\n      if (collection == null) {\n        return [];\n      }\n      if (!isArray(iteratees)) {\n        iteratees = iteratees == null ? [] : [iteratees];\n      }\n      orders = guard ? undefined : orders;\n      if (!isArray(orders)) {\n        orders = orders == null ? [] : [orders];\n      }\n      return baseOrderBy(collection, iteratees, orders);\n    }\n\n    /**\n     * Creates an array of elements split into two groups, the first of which\n     * contains elements `predicate` returns truthy for, the second of which\n     * contains elements `predicate` returns falsey for. The predicate is\n     * invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of grouped elements.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': false },\n     *   { 'user': 'fred',    'age': 40, 'active': true },\n     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n     * ];\n     *\n     * _.partition(users, function(o) { return o.active; });\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.partition(users, { 'age': 1, 'active': false });\n     * // => objects for [['pebbles'], ['barney', 'fred']]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.partition(users, ['active', false]);\n     * // => objects for [['barney', 'pebbles'], ['fred']]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.partition(users, 'active');\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     */\n    var partition = createAggregator(function(result, value, key) {\n      result[key ? 0 : 1].push(value);\n    }, function() { return [[], []]; });\n\n    /**\n     * Reduces `collection` to a value which is the accumulated result of running\n     * each element in `collection` thru `iteratee`, where each successive\n     * invocation is supplied the return value of the previous. If `accumulator`\n     * is not given, the first element of `collection` is used as the initial\n     * value. The iteratee is invoked with four arguments:\n     * (accumulator, value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n     *\n     * The guarded methods are:\n     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n     * and `sortBy`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduceRight\n     * @example\n     *\n     * _.reduce([1, 2], function(sum, n) {\n     *   return sum + n;\n     * }, 0);\n     * // => 3\n     *\n     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     *   return result;\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n     */\n    function reduce(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduce : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n    }\n\n    /**\n     * This method is like `_.reduce` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduce\n     * @example\n     *\n     * var array = [[0, 1], [2, 3], [4, 5]];\n     *\n     * _.reduceRight(array, function(flattened, other) {\n     *   return flattened.concat(other);\n     * }, []);\n     * // => [4, 5, 2, 3, 0, 1]\n     */\n    function reduceRight(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n    }\n\n    /**\n     * The opposite of `_.filter`; this method returns the elements of `collection`\n     * that `predicate` does **not** return truthy for.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.filter\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': true }\n     * ];\n     *\n     * _.reject(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.reject(users, { 'age': 40, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.reject(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.reject(users, 'active');\n     * // => objects for ['barney']\n     */\n    function reject(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, negate(getIteratee(predicate, 3)));\n    }\n\n    /**\n     * Gets a random element from `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     * @example\n     *\n     * _.sample([1, 2, 3, 4]);\n     * // => 2\n     */\n    function sample(collection) {\n      var func = isArray(collection) ? arraySample : baseSample;\n      return func(collection);\n    }\n\n    /**\n     * Gets `n` random elements at unique keys from `collection` up to the\n     * size of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} [n=1] The number of elements to sample.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the random elements.\n     * @example\n     *\n     * _.sampleSize([1, 2, 3], 2);\n     * // => [3, 1]\n     *\n     * _.sampleSize([1, 2, 3], 4);\n     * // => [2, 3, 1]\n     */\n    function sampleSize(collection, n, guard) {\n      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n      return func(collection, n);\n    }\n\n    /**\n     * Creates an array of shuffled values, using a version of the\n     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     * @example\n     *\n     * _.shuffle([1, 2, 3, 4]);\n     * // => [4, 1, 3, 2]\n     */\n    function shuffle(collection) {\n      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n      return func(collection);\n    }\n\n    /**\n     * Gets the size of `collection` by returning its length for array-like\n     * values or the number of own enumerable string keyed properties for objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @returns {number} Returns the collection size.\n     * @example\n     *\n     * _.size([1, 2, 3]);\n     * // => 3\n     *\n     * _.size({ 'a': 1, 'b': 2 });\n     * // => 2\n     *\n     * _.size('pebbles');\n     * // => 7\n     */\n    function size(collection) {\n      if (collection == null) {\n        return 0;\n      }\n      if (isArrayLike(collection)) {\n        return isString(collection) ? stringSize(collection) : collection.length;\n      }\n      var tag = getTag(collection);\n      if (tag == mapTag || tag == setTag) {\n        return collection.size;\n      }\n      return baseKeys(collection).length;\n    }\n\n    /**\n     * Checks if `predicate` returns truthy for **any** element of `collection`.\n     * Iteration is stopped once `predicate` returns truthy. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.some([null, 0, 'yes', false], Boolean);\n     * // => true\n     *\n     * var users = [\n     *   { 'user': 'barney', 'active': true },\n     *   { 'user': 'fred',   'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.some(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.some(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.some(users, 'active');\n     * // => true\n     */\n    function some(collection, predicate, guard) {\n      var func = isArray(collection) ? arraySome : baseSome;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Creates an array of elements, sorted in ascending order by the results of\n     * running each element in a collection thru each iteratee. This method\n     * performs a stable sort, that is, it preserves the original sort order of\n     * equal elements. The iteratees are invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 34 }\n     * ];\n     *\n     * _.sortBy(users, [function(o) { return o.user; }]);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     *\n     * _.sortBy(users, ['user', 'age']);\n     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n     */\n    var sortBy = baseRest(function(collection, iteratees) {\n      if (collection == null) {\n        return [];\n      }\n      var length = iteratees.length;\n      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n        iteratees = [];\n      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n        iteratees = [iteratees[0]];\n      }\n      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Gets the timestamp of the number of milliseconds that have elapsed since\n     * the Unix epoch (1 January 1970 00:00:00 UTC).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Date\n     * @returns {number} Returns the timestamp.\n     * @example\n     *\n     * _.defer(function(stamp) {\n     *   console.log(_.now() - stamp);\n     * }, _.now());\n     * // => Logs the number of milliseconds it took for the deferred invocation.\n     */\n    var now = ctxNow || function() {\n      return root.Date.now();\n    };\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The opposite of `_.before`; this method creates a function that invokes\n     * `func` once it's called `n` or more times.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {number} n The number of calls before `func` is invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var saves = ['profile', 'settings'];\n     *\n     * var done = _.after(saves.length, function() {\n     *   console.log('done saving!');\n     * });\n     *\n     * _.forEach(saves, function(type) {\n     *   asyncSave({ 'type': type, 'complete': done });\n     * });\n     * // => Logs 'done saving!' after the two async saves have completed.\n     */\n    function after(n, func) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n < 1) {\n          return func.apply(this, arguments);\n        }\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func`, with up to `n` arguments,\n     * ignoring any additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @param {number} [n=func.length] The arity cap.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n     * // => [6, 8, 10]\n     */\n    function ary(func, n, guard) {\n      n = guard ? undefined : n;\n      n = (func && n == null) ? func.length : n;\n      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n    }\n\n    /**\n     * Creates a function that invokes `func`, with the `this` binding and arguments\n     * of the created function, while it's called less than `n` times. Subsequent\n     * calls to the created function return the result of the last `func` invocation.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {number} n The number of calls at which `func` is no longer invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * jQuery(element).on('click', _.before(5, addContactToList));\n     * // => Allows adding up to 4 contacts to the list.\n     */\n    function before(n, func) {\n      var result;\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n > 0) {\n          result = func.apply(this, arguments);\n        }\n        if (n <= 1) {\n          func = undefined;\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n     * and `partials` prepended to the arguments it receives.\n     *\n     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n     * property of bound functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to bind.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * function greet(greeting, punctuation) {\n     *   return greeting + ' ' + this.user + punctuation;\n     * }\n     *\n     * var object = { 'user': 'fred' };\n     *\n     * var bound = _.bind(greet, object, 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bind(greet, object, _, '!');\n     * bound('hi');\n     * // => 'hi fred!'\n     */\n    var bind = baseRest(function(func, thisArg, partials) {\n      var bitmask = WRAP_BIND_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bind));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(func, bitmask, thisArg, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes the method at `object[key]` with `partials`\n     * prepended to the arguments it receives.\n     *\n     * This method differs from `_.bind` by allowing bound functions to reference\n     * methods that may be redefined or don't yet exist. See\n     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n     * for more details.\n     *\n     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Function\n     * @param {Object} object The object to invoke the method on.\n     * @param {string} key The key of the method.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * var object = {\n     *   'user': 'fred',\n     *   'greet': function(greeting, punctuation) {\n     *     return greeting + ' ' + this.user + punctuation;\n     *   }\n     * };\n     *\n     * var bound = _.bindKey(object, 'greet', 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * object.greet = function(greeting, punctuation) {\n     *   return greeting + 'ya ' + this.user + punctuation;\n     * };\n     *\n     * bound('!');\n     * // => 'hiya fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bindKey(object, 'greet', _, '!');\n     * bound('hi');\n     * // => 'hiya fred!'\n     */\n    var bindKey = baseRest(function(object, key, partials) {\n      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bindKey));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(key, bitmask, object, partials, holders);\n    });\n\n    /**\n     * Creates a function that accepts arguments of `func` and either invokes\n     * `func` returning its result, if at least `arity` number of arguments have\n     * been provided, or returns a function that accepts the remaining `func`\n     * arguments, and so on. The arity of `func` may be specified if `func.length`\n     * is not sufficient.\n     *\n     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curry(abc);\n     *\n     * curried(1)(2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(1)(_, 3)(2);\n     * // => [1, 2, 3]\n     */\n    function curry(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curry.placeholder;\n      return result;\n    }\n\n    /**\n     * This method is like `_.curry` except that arguments are applied to `func`\n     * in the manner of `_.partialRight` instead of `_.partial`.\n     *\n     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curryRight(abc);\n     *\n     * curried(3)(2)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(2, 3)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(3)(1, _)(2);\n     * // => [1, 2, 3]\n     */\n    function curryRight(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curryRight.placeholder;\n      return result;\n    }\n\n    /**\n     * Creates a debounced function that delays invoking `func` until after `wait`\n     * milliseconds have elapsed since the last time the debounced function was\n     * invoked. The debounced function comes with a `cancel` method to cancel\n     * delayed `func` invocations and a `flush` method to immediately invoke them.\n     * Provide `options` to indicate whether `func` should be invoked on the\n     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n     * with the last arguments provided to the debounced function. Subsequent\n     * calls to the debounced function return the result of the last `func`\n     * invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the debounced function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.debounce` and `_.throttle`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to debounce.\n     * @param {number} [wait=0] The number of milliseconds to delay.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=false]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {number} [options.maxWait]\n     *  The maximum time `func` is allowed to be delayed before it's invoked.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new debounced function.\n     * @example\n     *\n     * // Avoid costly calculations while the window size is in flux.\n     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n     *\n     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n     *   'leading': true,\n     *   'trailing': false\n     * }));\n     *\n     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n     * var source = new EventSource('/stream');\n     * jQuery(source).on('message', debounced);\n     *\n     * // Cancel the trailing debounced invocation.\n     * jQuery(window).on('popstate', debounced.cancel);\n     */\n    function debounce(func, wait, options) {\n      var lastArgs,\n          lastThis,\n          maxWait,\n          result,\n          timerId,\n          lastCallTime,\n          lastInvokeTime = 0,\n          leading = false,\n          maxing = false,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      wait = toNumber(wait) || 0;\n      if (isObject(options)) {\n        leading = !!options.leading;\n        maxing = 'maxWait' in options;\n        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n\n      function invokeFunc(time) {\n        var args = lastArgs,\n            thisArg = lastThis;\n\n        lastArgs = lastThis = undefined;\n        lastInvokeTime = time;\n        result = func.apply(thisArg, args);\n        return result;\n      }\n\n      function leadingEdge(time) {\n        // Reset any `maxWait` timer.\n        lastInvokeTime = time;\n        // Start the timer for the trailing edge.\n        timerId = setTimeout(timerExpired, wait);\n        // Invoke the leading edge.\n        return leading ? invokeFunc(time) : result;\n      }\n\n      function remainingWait(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime,\n            result = wait - timeSinceLastCall;\n\n        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n      }\n\n      function shouldInvoke(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime;\n\n        // Either this is the first call, activity has stopped and we're at the\n        // trailing edge, the system time has gone backwards and we're treating\n        // it as the trailing edge, or we've hit the `maxWait` limit.\n        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n      }\n\n      function timerExpired() {\n        var time = now();\n        if (shouldInvoke(time)) {\n          return trailingEdge(time);\n        }\n        // Restart the timer.\n        timerId = setTimeout(timerExpired, remainingWait(time));\n      }\n\n      function trailingEdge(time) {\n        timerId = undefined;\n\n        // Only invoke if we have `lastArgs` which means `func` has been\n        // debounced at least once.\n        if (trailing && lastArgs) {\n          return invokeFunc(time);\n        }\n        lastArgs = lastThis = undefined;\n        return result;\n      }\n\n      function cancel() {\n        if (timerId !== undefined) {\n          clearTimeout(timerId);\n        }\n        lastInvokeTime = 0;\n        lastArgs = lastCallTime = lastThis = timerId = undefined;\n      }\n\n      function flush() {\n        return timerId === undefined ? result : trailingEdge(now());\n      }\n\n      function debounced() {\n        var time = now(),\n            isInvoking = shouldInvoke(time);\n\n        lastArgs = arguments;\n        lastThis = this;\n        lastCallTime = time;\n\n        if (isInvoking) {\n          if (timerId === undefined) {\n            return leadingEdge(lastCallTime);\n          }\n          if (maxing) {\n            // Handle invocations in a tight loop.\n            timerId = setTimeout(timerExpired, wait);\n            return invokeFunc(lastCallTime);\n          }\n        }\n        if (timerId === undefined) {\n          timerId = setTimeout(timerExpired, wait);\n        }\n        return result;\n      }\n      debounced.cancel = cancel;\n      debounced.flush = flush;\n      return debounced;\n    }\n\n    /**\n     * Defers invoking the `func` until the current call stack has cleared. Any\n     * additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to defer.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.defer(function(text) {\n     *   console.log(text);\n     * }, 'deferred');\n     * // => Logs 'deferred' after one millisecond.\n     */\n    var defer = baseRest(function(func, args) {\n      return baseDelay(func, 1, args);\n    });\n\n    /**\n     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n     * provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.delay(function(text) {\n     *   console.log(text);\n     * }, 1000, 'later');\n     * // => Logs 'later' after one second.\n     */\n    var delay = baseRest(function(func, wait, args) {\n      return baseDelay(func, toNumber(wait) || 0, args);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments reversed.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to flip arguments for.\n     * @returns {Function} Returns the new flipped function.\n     * @example\n     *\n     * var flipped = _.flip(function() {\n     *   return _.toArray(arguments);\n     * });\n     *\n     * flipped('a', 'b', 'c', 'd');\n     * // => ['d', 'c', 'b', 'a']\n     */\n    function flip(func) {\n      return createWrap(func, WRAP_FLIP_FLAG);\n    }\n\n    /**\n     * Creates a function that memoizes the result of `func`. If `resolver` is\n     * provided, it determines the cache key for storing the result based on the\n     * arguments provided to the memoized function. By default, the first argument\n     * provided to the memoized function is used as the map cache key. The `func`\n     * is invoked with the `this` binding of the memoized function.\n     *\n     * **Note:** The cache is exposed as the `cache` property on the memoized\n     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n     * constructor with one whose instances implement the\n     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to have its output memoized.\n     * @param {Function} [resolver] The function to resolve the cache key.\n     * @returns {Function} Returns the new memoized function.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     * var other = { 'c': 3, 'd': 4 };\n     *\n     * var values = _.memoize(_.values);\n     * values(object);\n     * // => [1, 2]\n     *\n     * values(other);\n     * // => [3, 4]\n     *\n     * object.a = 2;\n     * values(object);\n     * // => [1, 2]\n     *\n     * // Modify the result cache.\n     * values.cache.set(object, ['a', 'b']);\n     * values(object);\n     * // => ['a', 'b']\n     *\n     * // Replace `_.memoize.Cache`.\n     * _.memoize.Cache = WeakMap;\n     */\n    function memoize(func, resolver) {\n      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var memoized = function() {\n        var args = arguments,\n            key = resolver ? resolver.apply(this, args) : args[0],\n            cache = memoized.cache;\n\n        if (cache.has(key)) {\n          return cache.get(key);\n        }\n        var result = func.apply(this, args);\n        memoized.cache = cache.set(key, result) || cache;\n        return result;\n      };\n      memoized.cache = new (memoize.Cache || MapCache);\n      return memoized;\n    }\n\n    // Expose `MapCache`.\n    memoize.Cache = MapCache;\n\n    /**\n     * Creates a function that negates the result of the predicate `func`. The\n     * `func` predicate is invoked with the `this` binding and arguments of the\n     * created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} predicate The predicate to negate.\n     * @returns {Function} Returns the new negated function.\n     * @example\n     *\n     * function isEven(n) {\n     *   return n % 2 == 0;\n     * }\n     *\n     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n     * // => [1, 3, 5]\n     */\n    function negate(predicate) {\n      if (typeof predicate != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return function() {\n        var args = arguments;\n        switch (args.length) {\n          case 0: return !predicate.call(this);\n          case 1: return !predicate.call(this, args[0]);\n          case 2: return !predicate.call(this, args[0], args[1]);\n          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n        }\n        return !predicate.apply(this, args);\n      };\n    }\n\n    /**\n     * Creates a function that is restricted to invoking `func` once. Repeat calls\n     * to the function return the value of the first invocation. The `func` is\n     * invoked with the `this` binding and arguments of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var initialize = _.once(createApplication);\n     * initialize();\n     * initialize();\n     * // => `createApplication` is invoked once\n     */\n    function once(func) {\n      return before(2, func);\n    }\n\n    /**\n     * Creates a function that invokes `func` with its arguments transformed.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to wrap.\n     * @param {...(Function|Function[])} [transforms=[_.identity]]\n     *  The argument transforms.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * function doubled(n) {\n     *   return n * 2;\n     * }\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var func = _.overArgs(function(x, y) {\n     *   return [x, y];\n     * }, [square, doubled]);\n     *\n     * func(9, 3);\n     * // => [81, 6]\n     *\n     * func(10, 5);\n     * // => [100, 10]\n     */\n    var overArgs = castRest(function(func, transforms) {\n      transforms = (transforms.length == 1 && isArray(transforms[0]))\n        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n      var funcsLength = transforms.length;\n      return baseRest(function(args) {\n        var index = -1,\n            length = nativeMin(args.length, funcsLength);\n\n        while (++index < length) {\n          args[index] = transforms[index].call(this, args[index]);\n        }\n        return apply(func, this, args);\n      });\n    });\n\n    /**\n     * Creates a function that invokes `func` with `partials` prepended to the\n     * arguments it receives. This method is like `_.bind` except it does **not**\n     * alter the `this` binding.\n     *\n     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.2.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var sayHelloTo = _.partial(greet, 'hello');\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     *\n     * // Partially applied with placeholders.\n     * var greetFred = _.partial(greet, _, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     */\n    var partial = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partial));\n      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * This method is like `_.partial` except that partially applied arguments\n     * are appended to the arguments it receives.\n     *\n     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var greetFred = _.partialRight(greet, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     *\n     * // Partially applied with placeholders.\n     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     */\n    var partialRight = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partialRight));\n      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments arranged according\n     * to the specified `indexes` where the argument value at the first index is\n     * provided as the first argument, the argument value at the second index is\n     * provided as the second argument, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to rearrange arguments for.\n     * @param {...(number|number[])} indexes The arranged argument indexes.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var rearged = _.rearg(function(a, b, c) {\n     *   return [a, b, c];\n     * }, [2, 0, 1]);\n     *\n     * rearged('b', 'c', 'a')\n     * // => ['a', 'b', 'c']\n     */\n    var rearg = flatRest(function(func, indexes) {\n      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n    });\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * created function and arguments from `start` and beyond provided as\n     * an array.\n     *\n     * **Note:** This method is based on the\n     * [rest parameter](https://mdn.io/rest_parameters).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.rest(function(what, names) {\n     *   return what + ' ' + _.initial(names).join(', ') +\n     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n     * });\n     *\n     * say('hello', 'fred', 'barney', 'pebbles');\n     * // => 'hello fred, barney, & pebbles'\n     */\n    function rest(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start === undefined ? start : toInteger(start);\n      return baseRest(func, start);\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * create function and an array of arguments much like\n     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n     *\n     * **Note:** This method is based on the\n     * [spread operator](https://mdn.io/spread_operator).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Function\n     * @param {Function} func The function to spread arguments over.\n     * @param {number} [start=0] The start position of the spread.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.spread(function(who, what) {\n     *   return who + ' says ' + what;\n     * });\n     *\n     * say(['fred', 'hello']);\n     * // => 'fred says hello'\n     *\n     * var numbers = Promise.all([\n     *   Promise.resolve(40),\n     *   Promise.resolve(36)\n     * ]);\n     *\n     * numbers.then(_.spread(function(x, y) {\n     *   return x + y;\n     * }));\n     * // => a Promise of 76\n     */\n    function spread(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n      return baseRest(function(args) {\n        var array = args[start],\n            otherArgs = castSlice(args, 0, start);\n\n        if (array) {\n          arrayPush(otherArgs, array);\n        }\n        return apply(func, this, otherArgs);\n      });\n    }\n\n    /**\n     * Creates a throttled function that only invokes `func` at most once per\n     * every `wait` milliseconds. The throttled function comes with a `cancel`\n     * method to cancel delayed `func` invocations and a `flush` method to\n     * immediately invoke them. Provide `options` to indicate whether `func`\n     * should be invoked on the leading and/or trailing edge of the `wait`\n     * timeout. The `func` is invoked with the last arguments provided to the\n     * throttled function. Subsequent calls to the throttled function return the\n     * result of the last `func` invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the throttled function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.throttle` and `_.debounce`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to throttle.\n     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=true]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new throttled function.\n     * @example\n     *\n     * // Avoid excessively updating the position while scrolling.\n     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n     *\n     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n     * jQuery(element).on('click', throttled);\n     *\n     * // Cancel the trailing throttled invocation.\n     * jQuery(window).on('popstate', throttled.cancel);\n     */\n    function throttle(func, wait, options) {\n      var leading = true,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      if (isObject(options)) {\n        leading = 'leading' in options ? !!options.leading : leading;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n      return debounce(func, wait, {\n        'leading': leading,\n        'maxWait': wait,\n        'trailing': trailing\n      });\n    }\n\n    /**\n     * Creates a function that accepts up to one argument, ignoring any\n     * additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.unary(parseInt));\n     * // => [6, 8, 10]\n     */\n    function unary(func) {\n      return ary(func, 1);\n    }\n\n    /**\n     * Creates a function that provides `value` to `wrapper` as its first\n     * argument. Any additional arguments provided to the function are appended\n     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n     * binding of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {*} value The value to wrap.\n     * @param {Function} [wrapper=identity] The wrapper function.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var p = _.wrap(_.escape, function(func, text) {\n     *   return '<p>' + func(text) + '</p>';\n     * });\n     *\n     * p('fred, barney, & pebbles');\n     * // => '<p>fred, barney, &amp; pebbles</p>'\n     */\n    function wrap(value, wrapper) {\n      return partial(castFunction(wrapper), value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Casts `value` as an array if it's not one.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Lang\n     * @param {*} value The value to inspect.\n     * @returns {Array} Returns the cast array.\n     * @example\n     *\n     * _.castArray(1);\n     * // => [1]\n     *\n     * _.castArray({ 'a': 1 });\n     * // => [{ 'a': 1 }]\n     *\n     * _.castArray('abc');\n     * // => ['abc']\n     *\n     * _.castArray(null);\n     * // => [null]\n     *\n     * _.castArray(undefined);\n     * // => [undefined]\n     *\n     * _.castArray();\n     * // => []\n     *\n     * var array = [1, 2, 3];\n     * console.log(_.castArray(array) === array);\n     * // => true\n     */\n    function castArray() {\n      if (!arguments.length) {\n        return [];\n      }\n      var value = arguments[0];\n      return isArray(value) ? value : [value];\n    }\n\n    /**\n     * Creates a shallow clone of `value`.\n     *\n     * **Note:** This method is loosely based on the\n     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n     * arrays. The own enumerable properties of `arguments` objects are cloned\n     * as plain objects. An empty object is returned for uncloneable values such\n     * as error objects, functions, DOM nodes, and WeakMaps.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeep\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var shallow = _.clone(objects);\n     * console.log(shallow[0] === objects[0]);\n     * // => true\n     */\n    function clone(value) {\n      return baseClone(value, CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.clone` except that it accepts `customizer` which\n     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n     * cloning is handled by the method instead. The `customizer` is invoked with\n     * up to four arguments; (value [, index|key, object, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeepWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(false);\n     *   }\n     * }\n     *\n     * var el = _.cloneWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 0\n     */\n    function cloneWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * This method is like `_.clone` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.clone\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var deep = _.cloneDeep(objects);\n     * console.log(deep[0] === objects[0]);\n     * // => false\n     */\n    function cloneDeep(value) {\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.cloneWith` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.cloneWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(true);\n     *   }\n     * }\n     *\n     * var el = _.cloneDeepWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 20\n     */\n    function cloneDeepWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * Checks if `object` conforms to `source` by invoking the predicate\n     * properties of `source` with the corresponding property values of `object`.\n     *\n     * **Note:** This method is equivalent to `_.conforms` when `source` is\n     * partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n     * // => true\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n     * // => false\n     */\n    function conformsTo(object, source) {\n      return source == null || baseConformsTo(object, source, keys(source));\n    }\n\n    /**\n     * Performs a\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * comparison between two values to determine if they are equivalent.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.eq(object, object);\n     * // => true\n     *\n     * _.eq(object, other);\n     * // => false\n     *\n     * _.eq('a', 'a');\n     * // => true\n     *\n     * _.eq('a', Object('a'));\n     * // => false\n     *\n     * _.eq(NaN, NaN);\n     * // => true\n     */\n    function eq(value, other) {\n      return value === other || (value !== value && other !== other);\n    }\n\n    /**\n     * Checks if `value` is greater than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     * @see _.lt\n     * @example\n     *\n     * _.gt(3, 1);\n     * // => true\n     *\n     * _.gt(3, 3);\n     * // => false\n     *\n     * _.gt(1, 3);\n     * // => false\n     */\n    var gt = createRelationalOperation(baseGt);\n\n    /**\n     * Checks if `value` is greater than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n     *  `other`, else `false`.\n     * @see _.lte\n     * @example\n     *\n     * _.gte(3, 1);\n     * // => true\n     *\n     * _.gte(3, 3);\n     * // => true\n     *\n     * _.gte(1, 3);\n     * // => false\n     */\n    var gte = createRelationalOperation(function(value, other) {\n      return value >= other;\n    });\n\n    /**\n     * Checks if `value` is likely an `arguments` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArguments(function() { return arguments; }());\n     * // => true\n     *\n     * _.isArguments([1, 2, 3]);\n     * // => false\n     */\n    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n        !propertyIsEnumerable.call(value, 'callee');\n    };\n\n    /**\n     * Checks if `value` is classified as an `Array` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n     * @example\n     *\n     * _.isArray([1, 2, 3]);\n     * // => true\n     *\n     * _.isArray(document.body.children);\n     * // => false\n     *\n     * _.isArray('abc');\n     * // => false\n     *\n     * _.isArray(_.noop);\n     * // => false\n     */\n    var isArray = Array.isArray;\n\n    /**\n     * Checks if `value` is classified as an `ArrayBuffer` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     * @example\n     *\n     * _.isArrayBuffer(new ArrayBuffer(2));\n     * // => true\n     *\n     * _.isArrayBuffer(new Array(2));\n     * // => false\n     */\n    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n    /**\n     * Checks if `value` is array-like. A value is considered array-like if it's\n     * not a function and has a `value.length` that's an integer greater than or\n     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n     * @example\n     *\n     * _.isArrayLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLike(document.body.children);\n     * // => true\n     *\n     * _.isArrayLike('abc');\n     * // => true\n     *\n     * _.isArrayLike(_.noop);\n     * // => false\n     */\n    function isArrayLike(value) {\n      return value != null && isLength(value.length) && !isFunction(value);\n    }\n\n    /**\n     * This method is like `_.isArrayLike` except that it also checks if `value`\n     * is an object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array-like object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArrayLikeObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLikeObject(document.body.children);\n     * // => true\n     *\n     * _.isArrayLikeObject('abc');\n     * // => false\n     *\n     * _.isArrayLikeObject(_.noop);\n     * // => false\n     */\n    function isArrayLikeObject(value) {\n      return isObjectLike(value) && isArrayLike(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a boolean primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n     * @example\n     *\n     * _.isBoolean(false);\n     * // => true\n     *\n     * _.isBoolean(null);\n     * // => false\n     */\n    function isBoolean(value) {\n      return value === true || value === false ||\n        (isObjectLike(value) && baseGetTag(value) == boolTag);\n    }\n\n    /**\n     * Checks if `value` is a buffer.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n     * @example\n     *\n     * _.isBuffer(new Buffer(2));\n     * // => true\n     *\n     * _.isBuffer(new Uint8Array(2));\n     * // => false\n     */\n    var isBuffer = nativeIsBuffer || stubFalse;\n\n    /**\n     * Checks if `value` is classified as a `Date` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     * @example\n     *\n     * _.isDate(new Date);\n     * // => true\n     *\n     * _.isDate('Mon April 23 2012');\n     * // => false\n     */\n    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n    /**\n     * Checks if `value` is likely a DOM element.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n     * @example\n     *\n     * _.isElement(document.body);\n     * // => true\n     *\n     * _.isElement('<body>');\n     * // => false\n     */\n    function isElement(value) {\n      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n    }\n\n    /**\n     * Checks if `value` is an empty object, collection, map, or set.\n     *\n     * Objects are considered empty if they have no own enumerable string keyed\n     * properties.\n     *\n     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n     * jQuery-like collections are considered empty if they have a `length` of `0`.\n     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n     * @example\n     *\n     * _.isEmpty(null);\n     * // => true\n     *\n     * _.isEmpty(true);\n     * // => true\n     *\n     * _.isEmpty(1);\n     * // => true\n     *\n     * _.isEmpty([1, 2, 3]);\n     * // => false\n     *\n     * _.isEmpty({ 'a': 1 });\n     * // => false\n     */\n    function isEmpty(value) {\n      if (value == null) {\n        return true;\n      }\n      if (isArrayLike(value) &&\n          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n        return !value.length;\n      }\n      var tag = getTag(value);\n      if (tag == mapTag || tag == setTag) {\n        return !value.size;\n      }\n      if (isPrototype(value)) {\n        return !baseKeys(value).length;\n      }\n      for (var key in value) {\n        if (hasOwnProperty.call(value, key)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * Performs a deep comparison between two values to determine if they are\n     * equivalent.\n     *\n     * **Note:** This method supports comparing arrays, array buffers, booleans,\n     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n     * by their own, not inherited, enumerable properties. Functions and DOM\n     * nodes are compared by strict equality, i.e. `===`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.isEqual(object, other);\n     * // => true\n     *\n     * object === other;\n     * // => false\n     */\n    function isEqual(value, other) {\n      return baseIsEqual(value, other);\n    }\n\n    /**\n     * This method is like `_.isEqual` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with up to\n     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, othValue) {\n     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var array = ['hello', 'goodbye'];\n     * var other = ['hi', 'goodbye'];\n     *\n     * _.isEqualWith(array, other, customizer);\n     * // => true\n     */\n    function isEqualWith(value, other, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      var result = customizer ? customizer(value, other) : undefined;\n      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n    }\n\n    /**\n     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n     * `SyntaxError`, `TypeError`, or `URIError` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n     * @example\n     *\n     * _.isError(new Error);\n     * // => true\n     *\n     * _.isError(Error);\n     * // => false\n     */\n    function isError(value) {\n      if (!isObjectLike(value)) {\n        return false;\n      }\n      var tag = baseGetTag(value);\n      return tag == errorTag || tag == domExcTag ||\n        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n    }\n\n    /**\n     * Checks if `value` is a finite primitive number.\n     *\n     * **Note:** This method is based on\n     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n     * @example\n     *\n     * _.isFinite(3);\n     * // => true\n     *\n     * _.isFinite(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isFinite(Infinity);\n     * // => false\n     *\n     * _.isFinite('3');\n     * // => false\n     */\n    function isFinite(value) {\n      return typeof value == 'number' && nativeIsFinite(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Function` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n     * @example\n     *\n     * _.isFunction(_);\n     * // => true\n     *\n     * _.isFunction(/abc/);\n     * // => false\n     */\n    function isFunction(value) {\n      if (!isObject(value)) {\n        return false;\n      }\n      // The use of `Object#toString` avoids issues with the `typeof` operator\n      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n      var tag = baseGetTag(value);\n      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n    }\n\n    /**\n     * Checks if `value` is an integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n     * @example\n     *\n     * _.isInteger(3);\n     * // => true\n     *\n     * _.isInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isInteger(Infinity);\n     * // => false\n     *\n     * _.isInteger('3');\n     * // => false\n     */\n    function isInteger(value) {\n      return typeof value == 'number' && value == toInteger(value);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like length.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n     * @example\n     *\n     * _.isLength(3);\n     * // => true\n     *\n     * _.isLength(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isLength(Infinity);\n     * // => false\n     *\n     * _.isLength('3');\n     * // => false\n     */\n    function isLength(value) {\n      return typeof value == 'number' &&\n        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is the\n     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n     * @example\n     *\n     * _.isObject({});\n     * // => true\n     *\n     * _.isObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isObject(_.noop);\n     * // => true\n     *\n     * _.isObject(null);\n     * // => false\n     */\n    function isObject(value) {\n      var type = typeof value;\n      return value != null && (type == 'object' || type == 'function');\n    }\n\n    /**\n     * Checks if `value` is object-like. A value is object-like if it's not `null`\n     * and has a `typeof` result of \"object\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n     * @example\n     *\n     * _.isObjectLike({});\n     * // => true\n     *\n     * _.isObjectLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isObjectLike(_.noop);\n     * // => false\n     *\n     * _.isObjectLike(null);\n     * // => false\n     */\n    function isObjectLike(value) {\n      return value != null && typeof value == 'object';\n    }\n\n    /**\n     * Checks if `value` is classified as a `Map` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     * @example\n     *\n     * _.isMap(new Map);\n     * // => true\n     *\n     * _.isMap(new WeakMap);\n     * // => false\n     */\n    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n    /**\n     * Performs a partial deep comparison between `object` and `source` to\n     * determine if `object` contains equivalent property values.\n     *\n     * **Note:** This method is equivalent to `_.matches` when `source` is\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.isMatch(object, { 'b': 2 });\n     * // => true\n     *\n     * _.isMatch(object, { 'b': 1 });\n     * // => false\n     */\n    function isMatch(object, source) {\n      return object === source || baseIsMatch(object, source, getMatchData(source));\n    }\n\n    /**\n     * This method is like `_.isMatch` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with five\n     * arguments: (objValue, srcValue, index|key, object, source).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var object = { 'greeting': 'hello' };\n     * var source = { 'greeting': 'hi' };\n     *\n     * _.isMatchWith(object, source, customizer);\n     * // => true\n     */\n    function isMatchWith(object, source, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseIsMatch(object, source, getMatchData(source), customizer);\n    }\n\n    /**\n     * Checks if `value` is `NaN`.\n     *\n     * **Note:** This method is based on\n     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n     * `undefined` and other non-number values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n     * @example\n     *\n     * _.isNaN(NaN);\n     * // => true\n     *\n     * _.isNaN(new Number(NaN));\n     * // => true\n     *\n     * isNaN(undefined);\n     * // => true\n     *\n     * _.isNaN(undefined);\n     * // => false\n     */\n    function isNaN(value) {\n      // An `NaN` primitive is the only value that is not equal to itself.\n      // Perform the `toStringTag` check first to avoid errors with some\n      // ActiveX objects in IE.\n      return isNumber(value) && value != +value;\n    }\n\n    /**\n     * Checks if `value` is a pristine native function.\n     *\n     * **Note:** This method can't reliably detect native functions in the presence\n     * of the core-js package because core-js circumvents this kind of detection.\n     * Despite multiple requests, the core-js maintainer has made it clear: any\n     * attempt to fix the detection will be obstructed. As a result, we're left\n     * with little choice but to throw an error. Unfortunately, this also affects\n     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n     * which rely on core-js.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     * @example\n     *\n     * _.isNative(Array.prototype.push);\n     * // => true\n     *\n     * _.isNative(_);\n     * // => false\n     */\n    function isNative(value) {\n      if (isMaskable(value)) {\n        throw new Error(CORE_ERROR_TEXT);\n      }\n      return baseIsNative(value);\n    }\n\n    /**\n     * Checks if `value` is `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n     * @example\n     *\n     * _.isNull(null);\n     * // => true\n     *\n     * _.isNull(void 0);\n     * // => false\n     */\n    function isNull(value) {\n      return value === null;\n    }\n\n    /**\n     * Checks if `value` is `null` or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n     * @example\n     *\n     * _.isNil(null);\n     * // => true\n     *\n     * _.isNil(void 0);\n     * // => true\n     *\n     * _.isNil(NaN);\n     * // => false\n     */\n    function isNil(value) {\n      return value == null;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Number` primitive or object.\n     *\n     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n     * classified as numbers, use the `_.isFinite` method.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n     * @example\n     *\n     * _.isNumber(3);\n     * // => true\n     *\n     * _.isNumber(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isNumber(Infinity);\n     * // => true\n     *\n     * _.isNumber('3');\n     * // => false\n     */\n    function isNumber(value) {\n      return typeof value == 'number' ||\n        (isObjectLike(value) && baseGetTag(value) == numberTag);\n    }\n\n    /**\n     * Checks if `value` is a plain object, that is, an object created by the\n     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.8.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * _.isPlainObject(new Foo);\n     * // => false\n     *\n     * _.isPlainObject([1, 2, 3]);\n     * // => false\n     *\n     * _.isPlainObject({ 'x': 0, 'y': 0 });\n     * // => true\n     *\n     * _.isPlainObject(Object.create(null));\n     * // => true\n     */\n    function isPlainObject(value) {\n      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n        return false;\n      }\n      var proto = getPrototype(value);\n      if (proto === null) {\n        return true;\n      }\n      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n        funcToString.call(Ctor) == objectCtorString;\n    }\n\n    /**\n     * Checks if `value` is classified as a `RegExp` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     * @example\n     *\n     * _.isRegExp(/abc/);\n     * // => true\n     *\n     * _.isRegExp('/abc/');\n     * // => false\n     */\n    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n    /**\n     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n     * double precision number which isn't the result of a rounded unsafe integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n     * @example\n     *\n     * _.isSafeInteger(3);\n     * // => true\n     *\n     * _.isSafeInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isSafeInteger(Infinity);\n     * // => false\n     *\n     * _.isSafeInteger('3');\n     * // => false\n     */\n    function isSafeInteger(value) {\n      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Set` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     * @example\n     *\n     * _.isSet(new Set);\n     * // => true\n     *\n     * _.isSet(new WeakSet);\n     * // => false\n     */\n    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n    /**\n     * Checks if `value` is classified as a `String` primitive or object.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n     * @example\n     *\n     * _.isString('abc');\n     * // => true\n     *\n     * _.isString(1);\n     * // => false\n     */\n    function isString(value) {\n      return typeof value == 'string' ||\n        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Symbol` primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n     * @example\n     *\n     * _.isSymbol(Symbol.iterator);\n     * // => true\n     *\n     * _.isSymbol('abc');\n     * // => false\n     */\n    function isSymbol(value) {\n      return typeof value == 'symbol' ||\n        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a typed array.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     * @example\n     *\n     * _.isTypedArray(new Uint8Array);\n     * // => true\n     *\n     * _.isTypedArray([]);\n     * // => false\n     */\n    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n    /**\n     * Checks if `value` is `undefined`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n     * @example\n     *\n     * _.isUndefined(void 0);\n     * // => true\n     *\n     * _.isUndefined(null);\n     * // => false\n     */\n    function isUndefined(value) {\n      return value === undefined;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakMap` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n     * @example\n     *\n     * _.isWeakMap(new WeakMap);\n     * // => true\n     *\n     * _.isWeakMap(new Map);\n     * // => false\n     */\n    function isWeakMap(value) {\n      return isObjectLike(value) && getTag(value) == weakMapTag;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakSet` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n     * @example\n     *\n     * _.isWeakSet(new WeakSet);\n     * // => true\n     *\n     * _.isWeakSet(new Set);\n     * // => false\n     */\n    function isWeakSet(value) {\n      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n    }\n\n    /**\n     * Checks if `value` is less than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     * @see _.gt\n     * @example\n     *\n     * _.lt(1, 3);\n     * // => true\n     *\n     * _.lt(3, 3);\n     * // => false\n     *\n     * _.lt(3, 1);\n     * // => false\n     */\n    var lt = createRelationalOperation(baseLt);\n\n    /**\n     * Checks if `value` is less than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than or equal to\n     *  `other`, else `false`.\n     * @see _.gte\n     * @example\n     *\n     * _.lte(1, 3);\n     * // => true\n     *\n     * _.lte(3, 3);\n     * // => true\n     *\n     * _.lte(3, 1);\n     * // => false\n     */\n    var lte = createRelationalOperation(function(value, other) {\n      return value <= other;\n    });\n\n    /**\n     * Converts `value` to an array.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the converted array.\n     * @example\n     *\n     * _.toArray({ 'a': 1, 'b': 2 });\n     * // => [1, 2]\n     *\n     * _.toArray('abc');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toArray(1);\n     * // => []\n     *\n     * _.toArray(null);\n     * // => []\n     */\n    function toArray(value) {\n      if (!value) {\n        return [];\n      }\n      if (isArrayLike(value)) {\n        return isString(value) ? stringToArray(value) : copyArray(value);\n      }\n      if (symIterator && value[symIterator]) {\n        return iteratorToArray(value[symIterator]());\n      }\n      var tag = getTag(value),\n          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n      return func(value);\n    }\n\n    /**\n     * Converts `value` to a finite number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.12.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted number.\n     * @example\n     *\n     * _.toFinite(3.2);\n     * // => 3.2\n     *\n     * _.toFinite(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toFinite(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toFinite('3.2');\n     * // => 3.2\n     */\n    function toFinite(value) {\n      if (!value) {\n        return value === 0 ? value : 0;\n      }\n      value = toNumber(value);\n      if (value === INFINITY || value === -INFINITY) {\n        var sign = (value < 0 ? -1 : 1);\n        return sign * MAX_INTEGER;\n      }\n      return value === value ? value : 0;\n    }\n\n    /**\n     * Converts `value` to an integer.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toInteger(3.2);\n     * // => 3\n     *\n     * _.toInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toInteger(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toInteger('3.2');\n     * // => 3\n     */\n    function toInteger(value) {\n      var result = toFinite(value),\n          remainder = result % 1;\n\n      return result === result ? (remainder ? result - remainder : result) : 0;\n    }\n\n    /**\n     * Converts `value` to an integer suitable for use as the length of an\n     * array-like object.\n     *\n     * **Note:** This method is based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toLength(3.2);\n     * // => 3\n     *\n     * _.toLength(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toLength(Infinity);\n     * // => 4294967295\n     *\n     * _.toLength('3.2');\n     * // => 3\n     */\n    function toLength(value) {\n      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n    }\n\n    /**\n     * Converts `value` to a number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     * @example\n     *\n     * _.toNumber(3.2);\n     * // => 3.2\n     *\n     * _.toNumber(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toNumber(Infinity);\n     * // => Infinity\n     *\n     * _.toNumber('3.2');\n     * // => 3.2\n     */\n    function toNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      if (isObject(value)) {\n        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n        value = isObject(other) ? (other + '') : other;\n      }\n      if (typeof value != 'string') {\n        return value === 0 ? value : +value;\n      }\n      value = value.replace(reTrim, '');\n      var isBinary = reIsBinary.test(value);\n      return (isBinary || reIsOctal.test(value))\n        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n        : (reIsBadHex.test(value) ? NAN : +value);\n    }\n\n    /**\n     * Converts `value` to a plain object flattening inherited enumerable string\n     * keyed properties of `value` to own properties of the plain object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Object} Returns the converted plain object.\n     * @example\n     *\n     * function Foo() {\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.assign({ 'a': 1 }, new Foo);\n     * // => { 'a': 1, 'b': 2 }\n     *\n     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n     * // => { 'a': 1, 'b': 2, 'c': 3 }\n     */\n    function toPlainObject(value) {\n      return copyObject(value, keysIn(value));\n    }\n\n    /**\n     * Converts `value` to a safe integer. A safe integer can be compared and\n     * represented correctly.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toSafeInteger(3.2);\n     * // => 3\n     *\n     * _.toSafeInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toSafeInteger(Infinity);\n     * // => 9007199254740991\n     *\n     * _.toSafeInteger('3.2');\n     * // => 3\n     */\n    function toSafeInteger(value) {\n      return value\n        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n        : (value === 0 ? value : 0);\n    }\n\n    /**\n     * Converts `value` to a string. An empty string is returned for `null`\n     * and `undefined` values. The sign of `-0` is preserved.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.toString(null);\n     * // => ''\n     *\n     * _.toString(-0);\n     * // => '-0'\n     *\n     * _.toString([1, 2, 3]);\n     * // => '1,2,3'\n     */\n    function toString(value) {\n      return value == null ? '' : baseToString(value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Assigns own enumerable string keyed properties of source objects to the\n     * destination object. Source objects are applied from left to right.\n     * Subsequent sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object` and is loosely based on\n     * [`Object.assign`](https://mdn.io/Object/assign).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assignIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assign({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var assign = createAssigner(function(object, source) {\n      if (isPrototype(source) || isArrayLike(source)) {\n        copyObject(source, keys(source), object);\n        return;\n      }\n      for (var key in source) {\n        if (hasOwnProperty.call(source, key)) {\n          assignValue(object, key, source[key]);\n        }\n      }\n    });\n\n    /**\n     * This method is like `_.assign` except that it iterates over own and\n     * inherited source properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extend\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assign\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n     */\n    var assignIn = createAssigner(function(object, source) {\n      copyObject(source, keysIn(source), object);\n    });\n\n    /**\n     * This method is like `_.assignIn` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extendWith\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignInWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keysIn(source), object, customizer);\n    });\n\n    /**\n     * This method is like `_.assign` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignInWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keys(source), object, customizer);\n    });\n\n    /**\n     * Creates an array of values corresponding to `paths` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Array} Returns the picked values.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _.at(object, ['a[0].b.c', 'a[1]']);\n     * // => [3, 4]\n     */\n    var at = flatRest(baseAt);\n\n    /**\n     * Creates an object that inherits from the `prototype` object. If a\n     * `properties` object is given, its own enumerable string keyed properties\n     * are assigned to the created object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Object\n     * @param {Object} prototype The object to inherit from.\n     * @param {Object} [properties] The properties to assign to the object.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * function Shape() {\n     *   this.x = 0;\n     *   this.y = 0;\n     * }\n     *\n     * function Circle() {\n     *   Shape.call(this);\n     * }\n     *\n     * Circle.prototype = _.create(Shape.prototype, {\n     *   'constructor': Circle\n     * });\n     *\n     * var circle = new Circle;\n     * circle instanceof Circle;\n     * // => true\n     *\n     * circle instanceof Shape;\n     * // => true\n     */\n    function create(prototype, properties) {\n      var result = baseCreate(prototype);\n      return properties == null ? result : baseAssign(result, properties);\n    }\n\n    /**\n     * Assigns own and inherited enumerable string keyed properties of source\n     * objects to the destination object for all destination properties that\n     * resolve to `undefined`. Source objects are applied from left to right.\n     * Once a property is set, additional values of the same property are ignored.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaultsDeep\n     * @example\n     *\n     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var defaults = baseRest(function(args) {\n      args.push(undefined, customDefaultsAssignIn);\n      return apply(assignInWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.defaults` except that it recursively assigns\n     * default properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaults\n     * @example\n     *\n     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n     * // => { 'a': { 'b': 2, 'c': 3 } }\n     */\n    var defaultsDeep = baseRest(function(args) {\n      args.push(undefined, customDefaultsMerge);\n      return apply(mergeWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.find` except that it returns the key of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findKey(users, function(o) { return o.age < 40; });\n     * // => 'barney' (iteration order is not guaranteed)\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findKey(users, { 'age': 1, 'active': true });\n     * // => 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findKey(users, 'active');\n     * // => 'barney'\n     */\n    function findKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n    }\n\n    /**\n     * This method is like `_.findKey` except that it iterates over elements of\n     * a collection in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findLastKey(users, function(o) { return o.age < 40; });\n     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastKey(users, { 'age': 36, 'active': true });\n     * // => 'barney'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastKey(users, 'active');\n     * // => 'pebbles'\n     */\n    function findLastKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n    }\n\n    /**\n     * Iterates over own and inherited enumerable string keyed properties of an\n     * object and invokes `iteratee` for each property. The iteratee is invoked\n     * with three arguments: (value, key, object). Iteratee functions may exit\n     * iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forInRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forIn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n     */\n    function forIn(object, iteratee) {\n      return object == null\n        ? object\n        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * This method is like `_.forIn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forInRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n     */\n    function forInRight(object, iteratee) {\n      return object == null\n        ? object\n        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * Iterates over own enumerable string keyed properties of an object and\n     * invokes `iteratee` for each property. The iteratee is invoked with three\n     * arguments: (value, key, object). Iteratee functions may exit iteration\n     * early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwnRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forOwn(object, iteratee) {\n      return object && baseForOwn(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forOwn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwnRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n     */\n    function forOwnRight(object, iteratee) {\n      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an array of function property names from own enumerable properties\n     * of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functionsIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functions(new Foo);\n     * // => ['a', 'b']\n     */\n    function functions(object) {\n      return object == null ? [] : baseFunctions(object, keys(object));\n    }\n\n    /**\n     * Creates an array of function property names from own and inherited\n     * enumerable properties of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functions\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functionsIn(new Foo);\n     * // => ['a', 'b', 'c']\n     */\n    function functionsIn(object) {\n      return object == null ? [] : baseFunctions(object, keysIn(object));\n    }\n\n    /**\n     * Gets the value at `path` of `object`. If the resolved value is\n     * `undefined`, the `defaultValue` is returned in its place.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.get(object, 'a[0].b.c');\n     * // => 3\n     *\n     * _.get(object, ['a', '0', 'b', 'c']);\n     * // => 3\n     *\n     * _.get(object, 'a.b.c', 'default');\n     * // => 'default'\n     */\n    function get(object, path, defaultValue) {\n      var result = object == null ? undefined : baseGet(object, path);\n      return result === undefined ? defaultValue : result;\n    }\n\n    /**\n     * Checks if `path` is a direct property of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = { 'a': { 'b': 2 } };\n     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.has(object, 'a');\n     * // => true\n     *\n     * _.has(object, 'a.b');\n     * // => true\n     *\n     * _.has(object, ['a', 'b']);\n     * // => true\n     *\n     * _.has(other, 'a');\n     * // => false\n     */\n    function has(object, path) {\n      return object != null && hasPath(object, path, baseHas);\n    }\n\n    /**\n     * Checks if `path` is a direct or inherited property of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.hasIn(object, 'a');\n     * // => true\n     *\n     * _.hasIn(object, 'a.b');\n     * // => true\n     *\n     * _.hasIn(object, ['a', 'b']);\n     * // => true\n     *\n     * _.hasIn(object, 'b');\n     * // => false\n     */\n    function hasIn(object, path) {\n      return object != null && hasPath(object, path, baseHasIn);\n    }\n\n    /**\n     * Creates an object composed of the inverted keys and values of `object`.\n     * If `object` contains duplicate values, subsequent values overwrite\n     * property assignments of previous values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invert(object);\n     * // => { '1': 'c', '2': 'b' }\n     */\n    var invert = createInverter(function(result, value, key) {\n      result[value] = key;\n    }, constant(identity));\n\n    /**\n     * This method is like `_.invert` except that the inverted object is generated\n     * from the results of running each element of `object` thru `iteratee`. The\n     * corresponding inverted value of each inverted key is an array of keys\n     * responsible for generating the inverted value. The iteratee is invoked\n     * with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invertBy(object);\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     *\n     * _.invertBy(object, function(value) {\n     *   return 'group' + value;\n     * });\n     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n     */\n    var invertBy = createInverter(function(result, value, key) {\n      if (hasOwnProperty.call(result, value)) {\n        result[value].push(key);\n      } else {\n        result[value] = [key];\n      }\n    }, getIteratee);\n\n    /**\n     * Invokes the method at `path` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n     *\n     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n     * // => [2, 3]\n     */\n    var invoke = baseRest(baseInvoke);\n\n    /**\n     * Creates an array of the own enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects. See the\n     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * for more details.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keys(new Foo);\n     * // => ['a', 'b'] (iteration order is not guaranteed)\n     *\n     * _.keys('hi');\n     * // => ['0', '1']\n     */\n    function keys(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keysIn(new Foo);\n     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n     */\n    function keysIn(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n    }\n\n    /**\n     * The opposite of `_.mapValues`; this method creates an object with the\n     * same values as `object` and keys generated by running each own enumerable\n     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n     * with three arguments: (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapValues\n     * @example\n     *\n     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   return key + value;\n     * });\n     * // => { 'a1': 1, 'b2': 2 }\n     */\n    function mapKeys(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, iteratee(value, key, object), value);\n      });\n      return result;\n    }\n\n    /**\n     * Creates an object with the same keys as `object` and values generated\n     * by running each own enumerable string keyed property of `object` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapKeys\n     * @example\n     *\n     * var users = {\n     *   'fred':    { 'user': 'fred',    'age': 40 },\n     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n     * };\n     *\n     * _.mapValues(users, function(o) { return o.age; });\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.mapValues(users, 'age');\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     */\n    function mapValues(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, key, iteratee(value, key, object));\n      });\n      return result;\n    }\n\n    /**\n     * This method is like `_.assign` except that it recursively merges own and\n     * inherited enumerable string keyed properties of source objects into the\n     * destination object. Source properties that resolve to `undefined` are\n     * skipped if a destination value exists. Array and plain object properties\n     * are merged recursively. Other objects and value types are overridden by\n     * assignment. Source objects are applied from left to right. Subsequent\n     * sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {\n     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n     * };\n     *\n     * var other = {\n     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n     * };\n     *\n     * _.merge(object, other);\n     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n     */\n    var merge = createAssigner(function(object, source, srcIndex) {\n      baseMerge(object, source, srcIndex);\n    });\n\n    /**\n     * This method is like `_.merge` except that it accepts `customizer` which\n     * is invoked to produce the merged values of the destination and source\n     * properties. If `customizer` returns `undefined`, merging is handled by the\n     * method instead. The `customizer` is invoked with six arguments:\n     * (objValue, srcValue, key, object, source, stack).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} customizer The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (_.isArray(objValue)) {\n     *     return objValue.concat(srcValue);\n     *   }\n     * }\n     *\n     * var object = { 'a': [1], 'b': [2] };\n     * var other = { 'a': [3], 'b': [4] };\n     *\n     * _.mergeWith(object, other, customizer);\n     * // => { 'a': [1, 3], 'b': [2, 4] }\n     */\n    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n      baseMerge(object, source, srcIndex, customizer);\n    });\n\n    /**\n     * The opposite of `_.pick`; this method creates an object composed of the\n     * own and inherited enumerable property paths of `object` that are not omitted.\n     *\n     * **Note:** This method is considerably slower than `_.pick`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to omit.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omit(object, ['a', 'c']);\n     * // => { 'b': '2' }\n     */\n    var omit = flatRest(function(object, paths) {\n      var result = {};\n      if (object == null) {\n        return result;\n      }\n      var isDeep = false;\n      paths = arrayMap(paths, function(path) {\n        path = castPath(path, object);\n        isDeep || (isDeep = path.length > 1);\n        return path;\n      });\n      copyObject(object, getAllKeysIn(object), result);\n      if (isDeep) {\n        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n      }\n      var length = paths.length;\n      while (length--) {\n        baseUnset(result, paths[length]);\n      }\n      return result;\n    });\n\n    /**\n     * The opposite of `_.pickBy`; this method creates an object composed of\n     * the own and inherited enumerable string keyed properties of `object` that\n     * `predicate` doesn't return truthy for. The predicate is invoked with two\n     * arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omitBy(object, _.isNumber);\n     * // => { 'b': '2' }\n     */\n    function omitBy(object, predicate) {\n      return pickBy(object, negate(getIteratee(predicate)));\n    }\n\n    /**\n     * Creates an object composed of the picked `object` properties.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pick(object, ['a', 'c']);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var pick = flatRest(function(object, paths) {\n      return object == null ? {} : basePick(object, paths);\n    });\n\n    /**\n     * Creates an object composed of the `object` properties `predicate` returns\n     * truthy for. The predicate is invoked with two arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pickBy(object, _.isNumber);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    function pickBy(object, predicate) {\n      if (object == null) {\n        return {};\n      }\n      var props = arrayMap(getAllKeysIn(object), function(prop) {\n        return [prop];\n      });\n      predicate = getIteratee(predicate);\n      return basePickBy(object, props, function(value, path) {\n        return predicate(value, path[0]);\n      });\n    }\n\n    /**\n     * This method is like `_.get` except that if the resolved value is a\n     * function it's invoked with the `this` binding of its parent object and\n     * its result is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to resolve.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n     *\n     * _.result(object, 'a[0].b.c1');\n     * // => 3\n     *\n     * _.result(object, 'a[0].b.c2');\n     * // => 4\n     *\n     * _.result(object, 'a[0].b.c3', 'default');\n     * // => 'default'\n     *\n     * _.result(object, 'a[0].b.c3', _.constant('default'));\n     * // => 'default'\n     */\n    function result(object, path, defaultValue) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length;\n\n      // Ensure the loop is entered when path is empty.\n      if (!length) {\n        length = 1;\n        object = undefined;\n      }\n      while (++index < length) {\n        var value = object == null ? undefined : object[toKey(path[index])];\n        if (value === undefined) {\n          index = length;\n          value = defaultValue;\n        }\n        object = isFunction(value) ? value.call(object) : value;\n      }\n      return object;\n    }\n\n    /**\n     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n     * it's created. Arrays are created for missing index properties while objects\n     * are created for all other missing properties. Use `_.setWith` to customize\n     * `path` creation.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.set(object, 'a[0].b.c', 4);\n     * console.log(object.a[0].b.c);\n     * // => 4\n     *\n     * _.set(object, ['x', '0', 'y', 'z'], 5);\n     * console.log(object.x[0].y.z);\n     * // => 5\n     */\n    function set(object, path, value) {\n      return object == null ? object : baseSet(object, path, value);\n    }\n\n    /**\n     * This method is like `_.set` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.setWith(object, '[0][1]', 'a', Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function setWith(object, path, value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseSet(object, path, value, customizer);\n    }\n\n    /**\n     * Creates an array of own enumerable string keyed-value pairs for `object`\n     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n     * entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entries\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairs(new Foo);\n     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n     */\n    var toPairs = createToPairs(keys);\n\n    /**\n     * Creates an array of own and inherited enumerable string keyed-value pairs\n     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n     * or set, its entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entriesIn\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairsIn(new Foo);\n     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n     */\n    var toPairsIn = createToPairs(keysIn);\n\n    /**\n     * An alternative to `_.reduce`; this method transforms `object` to a new\n     * `accumulator` object which is the result of running each of its own\n     * enumerable string keyed properties thru `iteratee`, with each invocation\n     * potentially mutating the `accumulator` object. If `accumulator` is not\n     * provided, a new object with the same `[[Prototype]]` will be used. The\n     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The custom accumulator value.\n     * @returns {*} Returns the accumulated value.\n     * @example\n     *\n     * _.transform([2, 3, 4], function(result, n) {\n     *   result.push(n *= n);\n     *   return n % 2 == 0;\n     * }, []);\n     * // => [4, 9]\n     *\n     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     */\n    function transform(object, iteratee, accumulator) {\n      var isArr = isArray(object),\n          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n      iteratee = getIteratee(iteratee, 4);\n      if (accumulator == null) {\n        var Ctor = object && object.constructor;\n        if (isArrLike) {\n          accumulator = isArr ? new Ctor : [];\n        }\n        else if (isObject(object)) {\n          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n        }\n        else {\n          accumulator = {};\n        }\n      }\n      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n        return iteratee(accumulator, value, index, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * Removes the property at `path` of `object`.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n     * _.unset(object, 'a[0].b.c');\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     *\n     * _.unset(object, ['a', '0', 'b', 'c']);\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     */\n    function unset(object, path) {\n      return object == null ? true : baseUnset(object, path);\n    }\n\n    /**\n     * This method is like `_.set` except that accepts `updater` to produce the\n     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n     * is invoked with one argument: (value).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n     * console.log(object.a[0].b.c);\n     * // => 9\n     *\n     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n     * console.log(object.x[0].y.z);\n     * // => 0\n     */\n    function update(object, path, updater) {\n      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n    }\n\n    /**\n     * This method is like `_.update` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function updateWith(object, path, updater, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n    }\n\n    /**\n     * Creates an array of the own enumerable string keyed property values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.values(new Foo);\n     * // => [1, 2] (iteration order is not guaranteed)\n     *\n     * _.values('hi');\n     * // => ['h', 'i']\n     */\n    function values(object) {\n      return object == null ? [] : baseValues(object, keys(object));\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable string keyed property\n     * values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.valuesIn(new Foo);\n     * // => [1, 2, 3] (iteration order is not guaranteed)\n     */\n    function valuesIn(object) {\n      return object == null ? [] : baseValues(object, keysIn(object));\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Number\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     * @example\n     *\n     * _.clamp(-10, -5, 5);\n     * // => -5\n     *\n     * _.clamp(10, -5, 5);\n     * // => 5\n     */\n    function clamp(number, lower, upper) {\n      if (upper === undefined) {\n        upper = lower;\n        lower = undefined;\n      }\n      if (upper !== undefined) {\n        upper = toNumber(upper);\n        upper = upper === upper ? upper : 0;\n      }\n      if (lower !== undefined) {\n        lower = toNumber(lower);\n        lower = lower === lower ? lower : 0;\n      }\n      return baseClamp(toNumber(number), lower, upper);\n    }\n\n    /**\n     * Checks if `n` is between `start` and up to, but not including, `end`. If\n     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n     * If `start` is greater than `end` the params are swapped to support\n     * negative ranges.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.3.0\n     * @category Number\n     * @param {number} number The number to check.\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     * @see _.range, _.rangeRight\n     * @example\n     *\n     * _.inRange(3, 2, 4);\n     * // => true\n     *\n     * _.inRange(4, 8);\n     * // => true\n     *\n     * _.inRange(4, 2);\n     * // => false\n     *\n     * _.inRange(2, 2);\n     * // => false\n     *\n     * _.inRange(1.2, 2);\n     * // => true\n     *\n     * _.inRange(5.2, 4);\n     * // => false\n     *\n     * _.inRange(-3, -2, -6);\n     * // => true\n     */\n    function inRange(number, start, end) {\n      start = toFinite(start);\n      if (end === undefined) {\n        end = start;\n        start = 0;\n      } else {\n        end = toFinite(end);\n      }\n      number = toNumber(number);\n      return baseInRange(number, start, end);\n    }\n\n    /**\n     * Produces a random number between the inclusive `lower` and `upper` bounds.\n     * If only one argument is provided a number between `0` and the given number\n     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n     * floats, a floating-point number is returned instead of an integer.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Number\n     * @param {number} [lower=0] The lower bound.\n     * @param {number} [upper=1] The upper bound.\n     * @param {boolean} [floating] Specify returning a floating-point number.\n     * @returns {number} Returns the random number.\n     * @example\n     *\n     * _.random(0, 5);\n     * // => an integer between 0 and 5\n     *\n     * _.random(5);\n     * // => also an integer between 0 and 5\n     *\n     * _.random(5, true);\n     * // => a floating-point number between 0 and 5\n     *\n     * _.random(1.2, 5.2);\n     * // => a floating-point number between 1.2 and 5.2\n     */\n    function random(lower, upper, floating) {\n      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n        upper = floating = undefined;\n      }\n      if (floating === undefined) {\n        if (typeof upper == 'boolean') {\n          floating = upper;\n          upper = undefined;\n        }\n        else if (typeof lower == 'boolean') {\n          floating = lower;\n          lower = undefined;\n        }\n      }\n      if (lower === undefined && upper === undefined) {\n        lower = 0;\n        upper = 1;\n      }\n      else {\n        lower = toFinite(lower);\n        if (upper === undefined) {\n          upper = lower;\n          lower = 0;\n        } else {\n          upper = toFinite(upper);\n        }\n      }\n      if (lower > upper) {\n        var temp = lower;\n        lower = upper;\n        upper = temp;\n      }\n      if (floating || lower % 1 || upper % 1) {\n        var rand = nativeRandom();\n        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n      }\n      return baseRandom(lower, upper);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the camel cased string.\n     * @example\n     *\n     * _.camelCase('Foo Bar');\n     * // => 'fooBar'\n     *\n     * _.camelCase('--foo-bar--');\n     * // => 'fooBar'\n     *\n     * _.camelCase('__FOO_BAR__');\n     * // => 'fooBar'\n     */\n    var camelCase = createCompounder(function(result, word, index) {\n      word = word.toLowerCase();\n      return result + (index ? capitalize(word) : word);\n    });\n\n    /**\n     * Converts the first character of `string` to upper case and the remaining\n     * to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to capitalize.\n     * @returns {string} Returns the capitalized string.\n     * @example\n     *\n     * _.capitalize('FRED');\n     * // => 'Fred'\n     */\n    function capitalize(string) {\n      return upperFirst(toString(string).toLowerCase());\n    }\n\n    /**\n     * Deburrs `string` by converting\n     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n     * letters to basic Latin letters and removing\n     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to deburr.\n     * @returns {string} Returns the deburred string.\n     * @example\n     *\n     * _.deburr('déjà vu');\n     * // => 'deja vu'\n     */\n    function deburr(string) {\n      string = toString(string);\n      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n    }\n\n    /**\n     * Checks if `string` ends with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=string.length] The position to search up to.\n     * @returns {boolean} Returns `true` if `string` ends with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.endsWith('abc', 'c');\n     * // => true\n     *\n     * _.endsWith('abc', 'b');\n     * // => false\n     *\n     * _.endsWith('abc', 'b', 2);\n     * // => true\n     */\n    function endsWith(string, target, position) {\n      string = toString(string);\n      target = baseToString(target);\n\n      var length = string.length;\n      position = position === undefined\n        ? length\n        : baseClamp(toInteger(position), 0, length);\n\n      var end = position;\n      position -= target.length;\n      return position >= 0 && string.slice(position, end) == target;\n    }\n\n    /**\n     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n     * corresponding HTML entities.\n     *\n     * **Note:** No other characters are escaped. To escape additional\n     * characters use a third-party library like [_he_](https://mths.be/he).\n     *\n     * Though the \">\" character is escaped for symmetry, characters like\n     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n     * unless they're part of a tag or unquoted attribute value. See\n     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n     * (under \"semi-related fun fact\") for more details.\n     *\n     * When working with HTML you should always\n     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n     * XSS vectors.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escape('fred, barney, & pebbles');\n     * // => 'fred, barney, &amp; pebbles'\n     */\n    function escape(string) {\n      string = toString(string);\n      return (string && reHasUnescapedHtml.test(string))\n        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escapeRegExp('[lodash](https://lodash.com/)');\n     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n     */\n    function escapeRegExp(string) {\n      string = toString(string);\n      return (string && reHasRegExpChar.test(string))\n        ? string.replace(reRegExpChar, '\\\\$&')\n        : string;\n    }\n\n    /**\n     * Converts `string` to\n     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the kebab cased string.\n     * @example\n     *\n     * _.kebabCase('Foo Bar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('fooBar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('__FOO_BAR__');\n     * // => 'foo-bar'\n     */\n    var kebabCase = createCompounder(function(result, word, index) {\n      return result + (index ? '-' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts `string`, as space separated words, to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.lowerCase('--Foo-Bar--');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('fooBar');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('__FOO_BAR__');\n     * // => 'foo bar'\n     */\n    var lowerCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts the first character of `string` to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.lowerFirst('Fred');\n     * // => 'fred'\n     *\n     * _.lowerFirst('FRED');\n     * // => 'fRED'\n     */\n    var lowerFirst = createCaseFirst('toLowerCase');\n\n    /**\n     * Pads `string` on the left and right sides if it's shorter than `length`.\n     * Padding characters are truncated if they can't be evenly divided by `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.pad('abc', 8);\n     * // => '  abc   '\n     *\n     * _.pad('abc', 8, '_-');\n     * // => '_-abc_-_'\n     *\n     * _.pad('abc', 3);\n     * // => 'abc'\n     */\n    function pad(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      if (!length || strLength >= length) {\n        return string;\n      }\n      var mid = (length - strLength) / 2;\n      return (\n        createPadding(nativeFloor(mid), chars) +\n        string +\n        createPadding(nativeCeil(mid), chars)\n      );\n    }\n\n    /**\n     * Pads `string` on the right side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padEnd('abc', 6);\n     * // => 'abc   '\n     *\n     * _.padEnd('abc', 6, '_-');\n     * // => 'abc_-_'\n     *\n     * _.padEnd('abc', 3);\n     * // => 'abc'\n     */\n    function padEnd(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (string + createPadding(length - strLength, chars))\n        : string;\n    }\n\n    /**\n     * Pads `string` on the left side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padStart('abc', 6);\n     * // => '   abc'\n     *\n     * _.padStart('abc', 6, '_-');\n     * // => '_-_abc'\n     *\n     * _.padStart('abc', 3);\n     * // => 'abc'\n     */\n    function padStart(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (createPadding(length - strLength, chars) + string)\n        : string;\n    }\n\n    /**\n     * Converts `string` to an integer of the specified radix. If `radix` is\n     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n     * hexadecimal, in which case a `radix` of `16` is used.\n     *\n     * **Note:** This method aligns with the\n     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category String\n     * @param {string} string The string to convert.\n     * @param {number} [radix=10] The radix to interpret `value` by.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.parseInt('08');\n     * // => 8\n     *\n     * _.map(['6', '08', '10'], _.parseInt);\n     * // => [6, 8, 10]\n     */\n    function parseInt(string, radix, guard) {\n      if (guard || radix == null) {\n        radix = 0;\n      } else if (radix) {\n        radix = +radix;\n      }\n      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n    }\n\n    /**\n     * Repeats the given string `n` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to repeat.\n     * @param {number} [n=1] The number of times to repeat the string.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the repeated string.\n     * @example\n     *\n     * _.repeat('*', 3);\n     * // => '***'\n     *\n     * _.repeat('abc', 2);\n     * // => 'abcabc'\n     *\n     * _.repeat('abc', 0);\n     * // => ''\n     */\n    function repeat(string, n, guard) {\n      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      return baseRepeat(toString(string), n);\n    }\n\n    /**\n     * Replaces matches for `pattern` in `string` with `replacement`.\n     *\n     * **Note:** This method is based on\n     * [`String#replace`](https://mdn.io/String/replace).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to modify.\n     * @param {RegExp|string} pattern The pattern to replace.\n     * @param {Function|string} replacement The match replacement.\n     * @returns {string} Returns the modified string.\n     * @example\n     *\n     * _.replace('Hi Fred', 'Fred', 'Barney');\n     * // => 'Hi Barney'\n     */\n    function replace() {\n      var args = arguments,\n          string = toString(args[0]);\n\n      return args.length < 3 ? string : string.replace(args[1], args[2]);\n    }\n\n    /**\n     * Converts `string` to\n     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the snake cased string.\n     * @example\n     *\n     * _.snakeCase('Foo Bar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('fooBar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('--FOO-BAR--');\n     * // => 'foo_bar'\n     */\n    var snakeCase = createCompounder(function(result, word, index) {\n      return result + (index ? '_' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Splits `string` by `separator`.\n     *\n     * **Note:** This method is based on\n     * [`String#split`](https://mdn.io/String/split).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to split.\n     * @param {RegExp|string} separator The separator pattern to split by.\n     * @param {number} [limit] The length to truncate results to.\n     * @returns {Array} Returns the string segments.\n     * @example\n     *\n     * _.split('a-b-c', '-', 2);\n     * // => ['a', 'b']\n     */\n    function split(string, separator, limit) {\n      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n        separator = limit = undefined;\n      }\n      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n      if (!limit) {\n        return [];\n      }\n      string = toString(string);\n      if (string && (\n            typeof separator == 'string' ||\n            (separator != null && !isRegExp(separator))\n          )) {\n        separator = baseToString(separator);\n        if (!separator && hasUnicode(string)) {\n          return castSlice(stringToArray(string), 0, limit);\n        }\n      }\n      return string.split(separator, limit);\n    }\n\n    /**\n     * Converts `string` to\n     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.1.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the start cased string.\n     * @example\n     *\n     * _.startCase('--foo-bar--');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('fooBar');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('__FOO_BAR__');\n     * // => 'FOO BAR'\n     */\n    var startCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + upperFirst(word);\n    });\n\n    /**\n     * Checks if `string` starts with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=0] The position to search from.\n     * @returns {boolean} Returns `true` if `string` starts with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.startsWith('abc', 'a');\n     * // => true\n     *\n     * _.startsWith('abc', 'b');\n     * // => false\n     *\n     * _.startsWith('abc', 'b', 1);\n     * // => true\n     */\n    function startsWith(string, target, position) {\n      string = toString(string);\n      position = position == null\n        ? 0\n        : baseClamp(toInteger(position), 0, string.length);\n\n      target = baseToString(target);\n      return string.slice(position, position + target.length) == target;\n    }\n\n    /**\n     * Creates a compiled template function that can interpolate data properties\n     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n     * properties may be accessed as free variables in the template. If a setting\n     * object is given, it takes precedence over `_.templateSettings` values.\n     *\n     * **Note:** In the development build `_.template` utilizes\n     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n     * for easier debugging.\n     *\n     * For more information on precompiling templates see\n     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n     *\n     * For more information on Chrome extension sandboxes see\n     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The template string.\n     * @param {Object} [options={}] The options object.\n     * @param {RegExp} [options.escape=_.templateSettings.escape]\n     *  The HTML \"escape\" delimiter.\n     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n     *  The \"evaluate\" delimiter.\n     * @param {Object} [options.imports=_.templateSettings.imports]\n     *  An object to import into the template as free variables.\n     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n     *  The \"interpolate\" delimiter.\n     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n     *  The sourceURL of the compiled template.\n     * @param {string} [options.variable='obj']\n     *  The data object variable name.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the compiled template function.\n     * @example\n     *\n     * // Use the \"interpolate\" delimiter to create a compiled template.\n     * var compiled = _.template('hello <%= user %>!');\n     * compiled({ 'user': 'fred' });\n     * // => 'hello fred!'\n     *\n     * // Use the HTML \"escape\" delimiter to escape data property values.\n     * var compiled = _.template('<b><%- value %></b>');\n     * compiled({ 'value': '<script>' });\n     * // => '<b>&lt;script&gt;</b>'\n     *\n     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the internal `print` function in \"evaluate\" delimiters.\n     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n     * compiled({ 'user': 'barney' });\n     * // => 'hello barney!'\n     *\n     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n     * // Disable support by replacing the \"interpolate\" delimiter.\n     * var compiled = _.template('hello ${ user }!');\n     * compiled({ 'user': 'pebbles' });\n     * // => 'hello pebbles!'\n     *\n     * // Use backslashes to treat delimiters as plain text.\n     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n     * compiled({ 'value': 'ignored' });\n     * // => '<%- value %>'\n     *\n     * // Use the `imports` option to import `jQuery` as `jq`.\n     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n     * compiled(data);\n     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n     *\n     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n     * compiled.source;\n     * // => function(data) {\n     * //   var __t, __p = '';\n     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n     * //   return __p;\n     * // }\n     *\n     * // Use custom template delimiters.\n     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n     * var compiled = _.template('hello {{ user }}!');\n     * compiled({ 'user': 'mustache' });\n     * // => 'hello mustache!'\n     *\n     * // Use the `source` property to inline compiled templates for meaningful\n     * // line numbers in error messages and stack traces.\n     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n     *   var JST = {\\\n     *     \"main\": ' + _.template(mainText).source + '\\\n     *   };\\\n     * ');\n     */\n    function template(string, options, guard) {\n      // Based on John Resig's `tmpl` implementation\n      // (http://ejohn.org/blog/javascript-micro-templating/)\n      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n      var settings = lodash.templateSettings;\n\n      if (guard && isIterateeCall(string, options, guard)) {\n        options = undefined;\n      }\n      string = toString(string);\n      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\n      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n          importsKeys = keys(imports),\n          importsValues = baseValues(imports, importsKeys);\n\n      var isEscaping,\n          isEvaluating,\n          index = 0,\n          interpolate = options.interpolate || reNoMatch,\n          source = \"__p += '\";\n\n      // Compile the regexp to match each delimiter.\n      var reDelimiters = RegExp(\n        (options.escape || reNoMatch).source + '|' +\n        interpolate.source + '|' +\n        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n        (options.evaluate || reNoMatch).source + '|$'\n      , 'g');\n\n      // Use a sourceURL for easier debugging.\n      var sourceURL = '//# sourceURL=' +\n        ('sourceURL' in options\n          ? options.sourceURL\n          : ('lodash.templateSources[' + (++templateCounter) + ']')\n        ) + '\\n';\n\n      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n        interpolateValue || (interpolateValue = esTemplateValue);\n\n        // Escape characters that can't be included in string literals.\n        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\n        // Replace delimiters with snippets.\n        if (escapeValue) {\n          isEscaping = true;\n          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n        }\n        if (evaluateValue) {\n          isEvaluating = true;\n          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n        }\n        if (interpolateValue) {\n          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n        }\n        index = offset + match.length;\n\n        // The JS engine embedded in Adobe products needs `match` returned in\n        // order to produce the correct `offset` value.\n        return match;\n      });\n\n      source += \"';\\n\";\n\n      // If `variable` is not specified wrap a with-statement around the generated\n      // code to add the data object to the top of the scope chain.\n      var variable = options.variable;\n      if (!variable) {\n        source = 'with (obj) {\\n' + source + '\\n}\\n';\n      }\n      // Cleanup code by stripping empty strings.\n      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n        .replace(reEmptyStringMiddle, '$1')\n        .replace(reEmptyStringTrailing, '$1;');\n\n      // Frame code as the function body.\n      source = 'function(' + (variable || 'obj') + ') {\\n' +\n        (variable\n          ? ''\n          : 'obj || (obj = {});\\n'\n        ) +\n        \"var __t, __p = ''\" +\n        (isEscaping\n           ? ', __e = _.escape'\n           : ''\n        ) +\n        (isEvaluating\n          ? ', __j = Array.prototype.join;\\n' +\n            \"function print() { __p += __j.call(arguments, '') }\\n\"\n          : ';\\n'\n        ) +\n        source +\n        'return __p\\n}';\n\n      var result = attempt(function() {\n        return Function(importsKeys, sourceURL + 'return ' + source)\n          .apply(undefined, importsValues);\n      });\n\n      // Provide the compiled function's source by its `toString` method or\n      // the `source` property as a convenience for inlining compiled templates.\n      result.source = source;\n      if (isError(result)) {\n        throw result;\n      }\n      return result;\n    }\n\n    /**\n     * Converts `string`, as a whole, to lower case just like\n     * [String#toLowerCase](https://mdn.io/toLowerCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.toLower('--Foo-Bar--');\n     * // => '--foo-bar--'\n     *\n     * _.toLower('fooBar');\n     * // => 'foobar'\n     *\n     * _.toLower('__FOO_BAR__');\n     * // => '__foo_bar__'\n     */\n    function toLower(value) {\n      return toString(value).toLowerCase();\n    }\n\n    /**\n     * Converts `string`, as a whole, to upper case just like\n     * [String#toUpperCase](https://mdn.io/toUpperCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.toUpper('--foo-bar--');\n     * // => '--FOO-BAR--'\n     *\n     * _.toUpper('fooBar');\n     * // => 'FOOBAR'\n     *\n     * _.toUpper('__foo_bar__');\n     * // => '__FOO_BAR__'\n     */\n    function toUpper(value) {\n      return toString(value).toUpperCase();\n    }\n\n    /**\n     * Removes leading and trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trim('  abc  ');\n     * // => 'abc'\n     *\n     * _.trim('-_-abc-_-', '_-');\n     * // => 'abc'\n     *\n     * _.map(['  foo  ', '  bar  '], _.trim);\n     * // => ['foo', 'bar']\n     */\n    function trim(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrim, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          chrSymbols = stringToArray(chars),\n          start = charsStartIndex(strSymbols, chrSymbols),\n          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\n      return castSlice(strSymbols, start, end).join('');\n    }\n\n    /**\n     * Removes trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimEnd('  abc  ');\n     * // => '  abc'\n     *\n     * _.trimEnd('-_-abc-_-', '_-');\n     * // => '-_-abc'\n     */\n    function trimEnd(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimEnd, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\n      return castSlice(strSymbols, 0, end).join('');\n    }\n\n    /**\n     * Removes leading whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimStart('  abc  ');\n     * // => 'abc  '\n     *\n     * _.trimStart('-_-abc-_-', '_-');\n     * // => 'abc-_-'\n     */\n    function trimStart(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimStart, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          start = charsStartIndex(strSymbols, stringToArray(chars));\n\n      return castSlice(strSymbols, start).join('');\n    }\n\n    /**\n     * Truncates `string` if it's longer than the given maximum string length.\n     * The last characters of the truncated string are replaced with the omission\n     * string which defaults to \"...\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to truncate.\n     * @param {Object} [options={}] The options object.\n     * @param {number} [options.length=30] The maximum string length.\n     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n     * @returns {string} Returns the truncated string.\n     * @example\n     *\n     * _.truncate('hi-diddly-ho there, neighborino');\n     * // => 'hi-diddly-ho there, neighbo...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': ' '\n     * });\n     * // => 'hi-diddly-ho there,...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': /,? +/\n     * });\n     * // => 'hi-diddly-ho there...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'omission': ' [...]'\n     * });\n     * // => 'hi-diddly-ho there, neig [...]'\n     */\n    function truncate(string, options) {\n      var length = DEFAULT_TRUNC_LENGTH,\n          omission = DEFAULT_TRUNC_OMISSION;\n\n      if (isObject(options)) {\n        var separator = 'separator' in options ? options.separator : separator;\n        length = 'length' in options ? toInteger(options.length) : length;\n        omission = 'omission' in options ? baseToString(options.omission) : omission;\n      }\n      string = toString(string);\n\n      var strLength = string.length;\n      if (hasUnicode(string)) {\n        var strSymbols = stringToArray(string);\n        strLength = strSymbols.length;\n      }\n      if (length >= strLength) {\n        return string;\n      }\n      var end = length - stringSize(omission);\n      if (end < 1) {\n        return omission;\n      }\n      var result = strSymbols\n        ? castSlice(strSymbols, 0, end).join('')\n        : string.slice(0, end);\n\n      if (separator === undefined) {\n        return result + omission;\n      }\n      if (strSymbols) {\n        end += (result.length - end);\n      }\n      if (isRegExp(separator)) {\n        if (string.slice(end).search(separator)) {\n          var match,\n              substring = result;\n\n          if (!separator.global) {\n            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n          }\n          separator.lastIndex = 0;\n          while ((match = separator.exec(substring))) {\n            var newEnd = match.index;\n          }\n          result = result.slice(0, newEnd === undefined ? end : newEnd);\n        }\n      } else if (string.indexOf(baseToString(separator), end) != end) {\n        var index = result.lastIndexOf(separator);\n        if (index > -1) {\n          result = result.slice(0, index);\n        }\n      }\n      return result + omission;\n    }\n\n    /**\n     * The inverse of `_.escape`; this method converts the HTML entities\n     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n     * their corresponding characters.\n     *\n     * **Note:** No other HTML entities are unescaped. To unescape additional\n     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.6.0\n     * @category String\n     * @param {string} [string=''] The string to unescape.\n     * @returns {string} Returns the unescaped string.\n     * @example\n     *\n     * _.unescape('fred, barney, &amp; pebbles');\n     * // => 'fred, barney, & pebbles'\n     */\n    function unescape(string) {\n      string = toString(string);\n      return (string && reHasEscapedHtml.test(string))\n        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Converts `string`, as space separated words, to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.upperCase('--foo-bar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('fooBar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('__foo_bar__');\n     * // => 'FOO BAR'\n     */\n    var upperCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toUpperCase();\n    });\n\n    /**\n     * Converts the first character of `string` to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.upperFirst('fred');\n     * // => 'Fred'\n     *\n     * _.upperFirst('FRED');\n     * // => 'FRED'\n     */\n    var upperFirst = createCaseFirst('toUpperCase');\n\n    /**\n     * Splits `string` into an array of its words.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {RegExp|string} [pattern] The pattern to match words.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the words of `string`.\n     * @example\n     *\n     * _.words('fred, barney, & pebbles');\n     * // => ['fred', 'barney', 'pebbles']\n     *\n     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n     * // => ['fred', 'barney', '&', 'pebbles']\n     */\n    function words(string, pattern, guard) {\n      string = toString(string);\n      pattern = guard ? undefined : pattern;\n\n      if (pattern === undefined) {\n        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n      }\n      return string.match(pattern) || [];\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Attempts to invoke `func`, returning either the result or the caught error\n     * object. Any additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Function} func The function to attempt.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {*} Returns the `func` result or error object.\n     * @example\n     *\n     * // Avoid throwing errors for invalid selectors.\n     * var elements = _.attempt(function(selector) {\n     *   return document.querySelectorAll(selector);\n     * }, '>_>');\n     *\n     * if (_.isError(elements)) {\n     *   elements = [];\n     * }\n     */\n    var attempt = baseRest(function(func, args) {\n      try {\n        return apply(func, undefined, args);\n      } catch (e) {\n        return isError(e) ? e : new Error(e);\n      }\n    });\n\n    /**\n     * Binds methods of an object to the object itself, overwriting the existing\n     * method.\n     *\n     * **Note:** This method doesn't set the \"length\" property of bound functions.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Object} object The object to bind and assign the bound methods to.\n     * @param {...(string|string[])} methodNames The object method names to bind.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var view = {\n     *   'label': 'docs',\n     *   'click': function() {\n     *     console.log('clicked ' + this.label);\n     *   }\n     * };\n     *\n     * _.bindAll(view, ['click']);\n     * jQuery(element).on('click', view.click);\n     * // => Logs 'clicked docs' when clicked.\n     */\n    var bindAll = flatRest(function(object, methodNames) {\n      arrayEach(methodNames, function(key) {\n        key = toKey(key);\n        baseAssignValue(object, key, bind(object[key], object));\n      });\n      return object;\n    });\n\n    /**\n     * Creates a function that iterates over `pairs` and invokes the corresponding\n     * function of the first predicate to return truthy. The predicate-function\n     * pairs are invoked with the `this` binding and arguments of the created\n     * function.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Array} pairs The predicate-function pairs.\n     * @returns {Function} Returns the new composite function.\n     * @example\n     *\n     * var func = _.cond([\n     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n     *   [_.stubTrue,                      _.constant('no match')]\n     * ]);\n     *\n     * func({ 'a': 1, 'b': 2 });\n     * // => 'matches A'\n     *\n     * func({ 'a': 0, 'b': 1 });\n     * // => 'matches B'\n     *\n     * func({ 'a': '1', 'b': '2' });\n     * // => 'no match'\n     */\n    function cond(pairs) {\n      var length = pairs == null ? 0 : pairs.length,\n          toIteratee = getIteratee();\n\n      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n        if (typeof pair[1] != 'function') {\n          throw new TypeError(FUNC_ERROR_TEXT);\n        }\n        return [toIteratee(pair[0]), pair[1]];\n      });\n\n      return baseRest(function(args) {\n        var index = -1;\n        while (++index < length) {\n          var pair = pairs[index];\n          if (apply(pair[0], this, args)) {\n            return apply(pair[1], this, args);\n          }\n        }\n      });\n    }\n\n    /**\n     * Creates a function that invokes the predicate properties of `source` with\n     * the corresponding property values of a given object, returning `true` if\n     * all predicates return truthy, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.conformsTo` with\n     * `source` partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 2, 'b': 1 },\n     *   { 'a': 1, 'b': 2 }\n     * ];\n     *\n     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n     * // => [{ 'a': 1, 'b': 2 }]\n     */\n    function conforms(source) {\n      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that returns `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {*} value The value to return from the new function.\n     * @returns {Function} Returns the new constant function.\n     * @example\n     *\n     * var objects = _.times(2, _.constant({ 'a': 1 }));\n     *\n     * console.log(objects);\n     * // => [{ 'a': 1 }, { 'a': 1 }]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => true\n     */\n    function constant(value) {\n      return function() {\n        return value;\n      };\n    }\n\n    /**\n     * Checks `value` to determine whether a default value should be returned in\n     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n     * or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Util\n     * @param {*} value The value to check.\n     * @param {*} defaultValue The default value.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * _.defaultTo(1, 10);\n     * // => 1\n     *\n     * _.defaultTo(undefined, 10);\n     * // => 10\n     */\n    function defaultTo(value, defaultValue) {\n      return (value == null || value !== value) ? defaultValue : value;\n    }\n\n    /**\n     * Creates a function that returns the result of invoking the given functions\n     * with the `this` binding of the created function, where each successive\n     * invocation is supplied the return value of the previous.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flowRight\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flow([_.add, square]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flow = createFlow();\n\n    /**\n     * This method is like `_.flow` except that it creates a function that\n     * invokes the given functions from right to left.\n     *\n     * @static\n     * @since 3.0.0\n     * @memberOf _\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flow\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flowRight([square, _.add]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flowRight = createFlow(true);\n\n    /**\n     * This method returns the first argument it receives.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {*} value Any value.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     *\n     * console.log(_.identity(object) === object);\n     * // => true\n     */\n    function identity(value) {\n      return value;\n    }\n\n    /**\n     * Creates a function that invokes `func` with the arguments of the created\n     * function. If `func` is a property name, the created function returns the\n     * property value for a given element. If `func` is an array or object, the\n     * created function returns `true` for elements that contain the equivalent\n     * source properties, otherwise it returns `false`.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Util\n     * @param {*} [func=_.identity] The value to convert to a callback.\n     * @returns {Function} Returns the callback.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, _.iteratee(['user', 'fred']));\n     * // => [{ 'user': 'fred', 'age': 40 }]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, _.iteratee('user'));\n     * // => ['barney', 'fred']\n     *\n     * // Create custom iteratee shorthands.\n     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n     *     return func.test(string);\n     *   };\n     * });\n     *\n     * _.filter(['abc', 'def'], /ef/);\n     * // => ['def']\n     */\n    function iteratee(func) {\n      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between a given\n     * object and `source`, returning `true` if the given object has equivalent\n     * property values, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n     */\n    function matches(source) {\n      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between the\n     * value at `path` of a given object to `srcValue`, returning `true` if the\n     * object value is equivalent, else `false`.\n     *\n     * **Note:** Partial comparisons will match empty array and empty object\n     * `srcValue` values against any array or object value, respectively. See\n     * `_.isEqual` for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.find(objects, _.matchesProperty('a', 4));\n     * // => { 'a': 4, 'b': 5, 'c': 6 }\n     */\n    function matchesProperty(path, srcValue) {\n      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that invokes the method at `path` of a given object.\n     * Any additional arguments are provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': _.constant(2) } },\n     *   { 'a': { 'b': _.constant(1) } }\n     * ];\n     *\n     * _.map(objects, _.method('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(objects, _.method(['a', 'b']));\n     * // => [2, 1]\n     */\n    var method = baseRest(function(path, args) {\n      return function(object) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * The opposite of `_.method`; this method creates a function that invokes\n     * the method at a given path of `object`. Any additional arguments are\n     * provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var array = _.times(3, _.constant),\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n     * // => [2, 0]\n     */\n    var methodOf = baseRest(function(object, args) {\n      return function(path) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * Adds all own enumerable string keyed function properties of a source\n     * object to the destination object. If `object` is a function, then methods\n     * are added to its prototype as well.\n     *\n     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n     * avoid conflicts caused by modifying the original.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Function|Object} [object=lodash] The destination object.\n     * @param {Object} source The object of functions to add.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n     * @returns {Function|Object} Returns `object`.\n     * @example\n     *\n     * function vowels(string) {\n     *   return _.filter(string, function(v) {\n     *     return /[aeiou]/i.test(v);\n     *   });\n     * }\n     *\n     * _.mixin({ 'vowels': vowels });\n     * _.vowels('fred');\n     * // => ['e']\n     *\n     * _('fred').vowels().value();\n     * // => ['e']\n     *\n     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n     * _('fred').vowels();\n     * // => ['e']\n     */\n    function mixin(object, source, options) {\n      var props = keys(source),\n          methodNames = baseFunctions(source, props);\n\n      if (options == null &&\n          !(isObject(source) && (methodNames.length || !props.length))) {\n        options = source;\n        source = object;\n        object = this;\n        methodNames = baseFunctions(source, keys(source));\n      }\n      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n          isFunc = isFunction(object);\n\n      arrayEach(methodNames, function(methodName) {\n        var func = source[methodName];\n        object[methodName] = func;\n        if (isFunc) {\n          object.prototype[methodName] = function() {\n            var chainAll = this.__chain__;\n            if (chain || chainAll) {\n              var result = object(this.__wrapped__),\n                  actions = result.__actions__ = copyArray(this.__actions__);\n\n              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n              result.__chain__ = chainAll;\n              return result;\n            }\n            return func.apply(object, arrayPush([this.value()], arguments));\n          };\n        }\n      });\n\n      return object;\n    }\n\n    /**\n     * Reverts the `_` variable to its previous value and returns a reference to\n     * the `lodash` function.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @returns {Function} Returns the `lodash` function.\n     * @example\n     *\n     * var lodash = _.noConflict();\n     */\n    function noConflict() {\n      if (root._ === this) {\n        root._ = oldDash;\n      }\n      return this;\n    }\n\n    /**\n     * This method returns `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Util\n     * @example\n     *\n     * _.times(2, _.noop);\n     * // => [undefined, undefined]\n     */\n    function noop() {\n      // No operation performed.\n    }\n\n    /**\n     * Creates a function that gets the argument at index `n`. If `n` is negative,\n     * the nth argument from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [n=0] The index of the argument to return.\n     * @returns {Function} Returns the new pass-thru function.\n     * @example\n     *\n     * var func = _.nthArg(1);\n     * func('a', 'b', 'c', 'd');\n     * // => 'b'\n     *\n     * var func = _.nthArg(-2);\n     * func('a', 'b', 'c', 'd');\n     * // => 'c'\n     */\n    function nthArg(n) {\n      n = toInteger(n);\n      return baseRest(function(args) {\n        return baseNth(args, n);\n      });\n    }\n\n    /**\n     * Creates a function that invokes `iteratees` with the arguments it receives\n     * and returns their results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to invoke.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.over([Math.max, Math.min]);\n     *\n     * func(1, 2, 3, 4);\n     * // => [4, 1]\n     */\n    var over = createOver(arrayMap);\n\n    /**\n     * Creates a function that checks if **all** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overEvery([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => false\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overEvery = createOver(arrayEvery);\n\n    /**\n     * Creates a function that checks if **any** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overSome([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => true\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overSome = createOver(arraySome);\n\n    /**\n     * Creates a function that returns the value at `path` of a given object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': 2 } },\n     *   { 'a': { 'b': 1 } }\n     * ];\n     *\n     * _.map(objects, _.property('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n     * // => [1, 2]\n     */\n    function property(path) {\n      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n    }\n\n    /**\n     * The opposite of `_.property`; this method creates a function that returns\n     * the value at a given path of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var array = [0, 1, 2],\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n     * // => [2, 0]\n     */\n    function propertyOf(object) {\n      return function(path) {\n        return object == null ? undefined : baseGet(object, path);\n      };\n    }\n\n    /**\n     * Creates an array of numbers (positive and/or negative) progressing from\n     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n     * `start` is specified without an `end` or `step`. If `end` is not specified,\n     * it's set to `start` with `start` then set to `0`.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.rangeRight\n     * @example\n     *\n     * _.range(4);\n     * // => [0, 1, 2, 3]\n     *\n     * _.range(-4);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 5);\n     * // => [1, 2, 3, 4]\n     *\n     * _.range(0, 20, 5);\n     * // => [0, 5, 10, 15]\n     *\n     * _.range(0, -4, -1);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.range(0);\n     * // => []\n     */\n    var range = createRange();\n\n    /**\n     * This method is like `_.range` except that it populates values in\n     * descending order.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.range\n     * @example\n     *\n     * _.rangeRight(4);\n     * // => [3, 2, 1, 0]\n     *\n     * _.rangeRight(-4);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 5);\n     * // => [4, 3, 2, 1]\n     *\n     * _.rangeRight(0, 20, 5);\n     * // => [15, 10, 5, 0]\n     *\n     * _.rangeRight(0, -4, -1);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.rangeRight(0);\n     * // => []\n     */\n    var rangeRight = createRange(true);\n\n    /**\n     * This method returns a new empty array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Array} Returns the new empty array.\n     * @example\n     *\n     * var arrays = _.times(2, _.stubArray);\n     *\n     * console.log(arrays);\n     * // => [[], []]\n     *\n     * console.log(arrays[0] === arrays[1]);\n     * // => false\n     */\n    function stubArray() {\n      return [];\n    }\n\n    /**\n     * This method returns `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `false`.\n     * @example\n     *\n     * _.times(2, _.stubFalse);\n     * // => [false, false]\n     */\n    function stubFalse() {\n      return false;\n    }\n\n    /**\n     * This method returns a new empty object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Object} Returns the new empty object.\n     * @example\n     *\n     * var objects = _.times(2, _.stubObject);\n     *\n     * console.log(objects);\n     * // => [{}, {}]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => false\n     */\n    function stubObject() {\n      return {};\n    }\n\n    /**\n     * This method returns an empty string.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {string} Returns the empty string.\n     * @example\n     *\n     * _.times(2, _.stubString);\n     * // => ['', '']\n     */\n    function stubString() {\n      return '';\n    }\n\n    /**\n     * This method returns `true`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `true`.\n     * @example\n     *\n     * _.times(2, _.stubTrue);\n     * // => [true, true]\n     */\n    function stubTrue() {\n      return true;\n    }\n\n    /**\n     * Invokes the iteratee `n` times, returning an array of the results of\n     * each invocation. The iteratee is invoked with one argument; (index).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} n The number of times to invoke `iteratee`.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.times(3, String);\n     * // => ['0', '1', '2']\n     *\n     *  _.times(4, _.constant(0));\n     * // => [0, 0, 0, 0]\n     */\n    function times(n, iteratee) {\n      n = toInteger(n);\n      if (n < 1 || n > MAX_SAFE_INTEGER) {\n        return [];\n      }\n      var index = MAX_ARRAY_LENGTH,\n          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\n      iteratee = getIteratee(iteratee);\n      n -= MAX_ARRAY_LENGTH;\n\n      var result = baseTimes(length, iteratee);\n      while (++index < n) {\n        iteratee(index);\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a property path array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the new property path array.\n     * @example\n     *\n     * _.toPath('a.b.c');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toPath('a[0].b.c');\n     * // => ['a', '0', 'b', 'c']\n     */\n    function toPath(value) {\n      if (isArray(value)) {\n        return arrayMap(value, toKey);\n      }\n      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n    }\n\n    /**\n     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {string} [prefix=''] The value to prefix the ID with.\n     * @returns {string} Returns the unique ID.\n     * @example\n     *\n     * _.uniqueId('contact_');\n     * // => 'contact_104'\n     *\n     * _.uniqueId();\n     * // => '105'\n     */\n    function uniqueId(prefix) {\n      var id = ++idCounter;\n      return toString(prefix) + id;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Adds two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {number} augend The first number in an addition.\n     * @param {number} addend The second number in an addition.\n     * @returns {number} Returns the total.\n     * @example\n     *\n     * _.add(6, 4);\n     * // => 10\n     */\n    var add = createMathOperation(function(augend, addend) {\n      return augend + addend;\n    }, 0);\n\n    /**\n     * Computes `number` rounded up to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round up.\n     * @param {number} [precision=0] The precision to round up to.\n     * @returns {number} Returns the rounded up number.\n     * @example\n     *\n     * _.ceil(4.006);\n     * // => 5\n     *\n     * _.ceil(6.004, 2);\n     * // => 6.01\n     *\n     * _.ceil(6040, -2);\n     * // => 6100\n     */\n    var ceil = createRound('ceil');\n\n    /**\n     * Divide two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} dividend The first number in a division.\n     * @param {number} divisor The second number in a division.\n     * @returns {number} Returns the quotient.\n     * @example\n     *\n     * _.divide(6, 4);\n     * // => 1.5\n     */\n    var divide = createMathOperation(function(dividend, divisor) {\n      return dividend / divisor;\n    }, 1);\n\n    /**\n     * Computes `number` rounded down to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round down.\n     * @param {number} [precision=0] The precision to round down to.\n     * @returns {number} Returns the rounded down number.\n     * @example\n     *\n     * _.floor(4.006);\n     * // => 4\n     *\n     * _.floor(0.046, 2);\n     * // => 0.04\n     *\n     * _.floor(4060, -2);\n     * // => 4000\n     */\n    var floor = createRound('floor');\n\n    /**\n     * Computes the maximum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * _.max([4, 2, 8, 6]);\n     * // => 8\n     *\n     * _.max([]);\n     * // => undefined\n     */\n    function max(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseGt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.max` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.maxBy(objects, function(o) { return o.n; });\n     * // => { 'n': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.maxBy(objects, 'n');\n     * // => { 'n': 2 }\n     */\n    function maxBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n        : undefined;\n    }\n\n    /**\n     * Computes the mean of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * _.mean([4, 2, 8, 6]);\n     * // => 5\n     */\n    function mean(array) {\n      return baseMean(array, identity);\n    }\n\n    /**\n     * This method is like `_.mean` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be averaged.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.meanBy(objects, function(o) { return o.n; });\n     * // => 5\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.meanBy(objects, 'n');\n     * // => 5\n     */\n    function meanBy(array, iteratee) {\n      return baseMean(array, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * Computes the minimum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * _.min([4, 2, 8, 6]);\n     * // => 2\n     *\n     * _.min([]);\n     * // => undefined\n     */\n    function min(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseLt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.min` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.minBy(objects, function(o) { return o.n; });\n     * // => { 'n': 1 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.minBy(objects, 'n');\n     * // => { 'n': 1 }\n     */\n    function minBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n        : undefined;\n    }\n\n    /**\n     * Multiply two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} multiplier The first number in a multiplication.\n     * @param {number} multiplicand The second number in a multiplication.\n     * @returns {number} Returns the product.\n     * @example\n     *\n     * _.multiply(6, 4);\n     * // => 24\n     */\n    var multiply = createMathOperation(function(multiplier, multiplicand) {\n      return multiplier * multiplicand;\n    }, 1);\n\n    /**\n     * Computes `number` rounded to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round.\n     * @param {number} [precision=0] The precision to round to.\n     * @returns {number} Returns the rounded number.\n     * @example\n     *\n     * _.round(4.006);\n     * // => 4\n     *\n     * _.round(4.006, 2);\n     * // => 4.01\n     *\n     * _.round(4060, -2);\n     * // => 4100\n     */\n    var round = createRound('round');\n\n    /**\n     * Subtract two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {number} minuend The first number in a subtraction.\n     * @param {number} subtrahend The second number in a subtraction.\n     * @returns {number} Returns the difference.\n     * @example\n     *\n     * _.subtract(6, 4);\n     * // => 2\n     */\n    var subtract = createMathOperation(function(minuend, subtrahend) {\n      return minuend - subtrahend;\n    }, 0);\n\n    /**\n     * Computes the sum of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * _.sum([4, 2, 8, 6]);\n     * // => 20\n     */\n    function sum(array) {\n      return (array && array.length)\n        ? baseSum(array, identity)\n        : 0;\n    }\n\n    /**\n     * This method is like `_.sum` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be summed.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.sumBy(objects, function(o) { return o.n; });\n     * // => 20\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sumBy(objects, 'n');\n     * // => 20\n     */\n    function sumBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSum(array, getIteratee(iteratee, 2))\n        : 0;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return wrapped values in chain sequences.\n    lodash.after = after;\n    lodash.ary = ary;\n    lodash.assign = assign;\n    lodash.assignIn = assignIn;\n    lodash.assignInWith = assignInWith;\n    lodash.assignWith = assignWith;\n    lodash.at = at;\n    lodash.before = before;\n    lodash.bind = bind;\n    lodash.bindAll = bindAll;\n    lodash.bindKey = bindKey;\n    lodash.castArray = castArray;\n    lodash.chain = chain;\n    lodash.chunk = chunk;\n    lodash.compact = compact;\n    lodash.concat = concat;\n    lodash.cond = cond;\n    lodash.conforms = conforms;\n    lodash.constant = constant;\n    lodash.countBy = countBy;\n    lodash.create = create;\n    lodash.curry = curry;\n    lodash.curryRight = curryRight;\n    lodash.debounce = debounce;\n    lodash.defaults = defaults;\n    lodash.defaultsDeep = defaultsDeep;\n    lodash.defer = defer;\n    lodash.delay = delay;\n    lodash.difference = difference;\n    lodash.differenceBy = differenceBy;\n    lodash.differenceWith = differenceWith;\n    lodash.drop = drop;\n    lodash.dropRight = dropRight;\n    lodash.dropRightWhile = dropRightWhile;\n    lodash.dropWhile = dropWhile;\n    lodash.fill = fill;\n    lodash.filter = filter;\n    lodash.flatMap = flatMap;\n    lodash.flatMapDeep = flatMapDeep;\n    lodash.flatMapDepth = flatMapDepth;\n    lodash.flatten = flatten;\n    lodash.flattenDeep = flattenDeep;\n    lodash.flattenDepth = flattenDepth;\n    lodash.flip = flip;\n    lodash.flow = flow;\n    lodash.flowRight = flowRight;\n    lodash.fromPairs = fromPairs;\n    lodash.functions = functions;\n    lodash.functionsIn = functionsIn;\n    lodash.groupBy = groupBy;\n    lodash.initial = initial;\n    lodash.intersection = intersection;\n    lodash.intersectionBy = intersectionBy;\n    lodash.intersectionWith = intersectionWith;\n    lodash.invert = invert;\n    lodash.invertBy = invertBy;\n    lodash.invokeMap = invokeMap;\n    lodash.iteratee = iteratee;\n    lodash.keyBy = keyBy;\n    lodash.keys = keys;\n    lodash.keysIn = keysIn;\n    lodash.map = map;\n    lodash.mapKeys = mapKeys;\n    lodash.mapValues = mapValues;\n    lodash.matches = matches;\n    lodash.matchesProperty = matchesProperty;\n    lodash.memoize = memoize;\n    lodash.merge = merge;\n    lodash.mergeWith = mergeWith;\n    lodash.method = method;\n    lodash.methodOf = methodOf;\n    lodash.mixin = mixin;\n    lodash.negate = negate;\n    lodash.nthArg = nthArg;\n    lodash.omit = omit;\n    lodash.omitBy = omitBy;\n    lodash.once = once;\n    lodash.orderBy = orderBy;\n    lodash.over = over;\n    lodash.overArgs = overArgs;\n    lodash.overEvery = overEvery;\n    lodash.overSome = overSome;\n    lodash.partial = partial;\n    lodash.partialRight = partialRight;\n    lodash.partition = partition;\n    lodash.pick = pick;\n    lodash.pickBy = pickBy;\n    lodash.property = property;\n    lodash.propertyOf = propertyOf;\n    lodash.pull = pull;\n    lodash.pullAll = pullAll;\n    lodash.pullAllBy = pullAllBy;\n    lodash.pullAllWith = pullAllWith;\n    lodash.pullAt = pullAt;\n    lodash.range = range;\n    lodash.rangeRight = rangeRight;\n    lodash.rearg = rearg;\n    lodash.reject = reject;\n    lodash.remove = remove;\n    lodash.rest = rest;\n    lodash.reverse = reverse;\n    lodash.sampleSize = sampleSize;\n    lodash.set = set;\n    lodash.setWith = setWith;\n    lodash.shuffle = shuffle;\n    lodash.slice = slice;\n    lodash.sortBy = sortBy;\n    lodash.sortedUniq = sortedUniq;\n    lodash.sortedUniqBy = sortedUniqBy;\n    lodash.split = split;\n    lodash.spread = spread;\n    lodash.tail = tail;\n    lodash.take = take;\n    lodash.takeRight = takeRight;\n    lodash.takeRightWhile = takeRightWhile;\n    lodash.takeWhile = takeWhile;\n    lodash.tap = tap;\n    lodash.throttle = throttle;\n    lodash.thru = thru;\n    lodash.toArray = toArray;\n    lodash.toPairs = toPairs;\n    lodash.toPairsIn = toPairsIn;\n    lodash.toPath = toPath;\n    lodash.toPlainObject = toPlainObject;\n    lodash.transform = transform;\n    lodash.unary = unary;\n    lodash.union = union;\n    lodash.unionBy = unionBy;\n    lodash.unionWith = unionWith;\n    lodash.uniq = uniq;\n    lodash.uniqBy = uniqBy;\n    lodash.uniqWith = uniqWith;\n    lodash.unset = unset;\n    lodash.unzip = unzip;\n    lodash.unzipWith = unzipWith;\n    lodash.update = update;\n    lodash.updateWith = updateWith;\n    lodash.values = values;\n    lodash.valuesIn = valuesIn;\n    lodash.without = without;\n    lodash.words = words;\n    lodash.wrap = wrap;\n    lodash.xor = xor;\n    lodash.xorBy = xorBy;\n    lodash.xorWith = xorWith;\n    lodash.zip = zip;\n    lodash.zipObject = zipObject;\n    lodash.zipObjectDeep = zipObjectDeep;\n    lodash.zipWith = zipWith;\n\n    // Add aliases.\n    lodash.entries = toPairs;\n    lodash.entriesIn = toPairsIn;\n    lodash.extend = assignIn;\n    lodash.extendWith = assignInWith;\n\n    // Add methods to `lodash.prototype`.\n    mixin(lodash, lodash);\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return unwrapped values in chain sequences.\n    lodash.add = add;\n    lodash.attempt = attempt;\n    lodash.camelCase = camelCase;\n    lodash.capitalize = capitalize;\n    lodash.ceil = ceil;\n    lodash.clamp = clamp;\n    lodash.clone = clone;\n    lodash.cloneDeep = cloneDeep;\n    lodash.cloneDeepWith = cloneDeepWith;\n    lodash.cloneWith = cloneWith;\n    lodash.conformsTo = conformsTo;\n    lodash.deburr = deburr;\n    lodash.defaultTo = defaultTo;\n    lodash.divide = divide;\n    lodash.endsWith = endsWith;\n    lodash.eq = eq;\n    lodash.escape = escape;\n    lodash.escapeRegExp = escapeRegExp;\n    lodash.every = every;\n    lodash.find = find;\n    lodash.findIndex = findIndex;\n    lodash.findKey = findKey;\n    lodash.findLast = findLast;\n    lodash.findLastIndex = findLastIndex;\n    lodash.findLastKey = findLastKey;\n    lodash.floor = floor;\n    lodash.forEach = forEach;\n    lodash.forEachRight = forEachRight;\n    lodash.forIn = forIn;\n    lodash.forInRight = forInRight;\n    lodash.forOwn = forOwn;\n    lodash.forOwnRight = forOwnRight;\n    lodash.get = get;\n    lodash.gt = gt;\n    lodash.gte = gte;\n    lodash.has = has;\n    lodash.hasIn = hasIn;\n    lodash.head = head;\n    lodash.identity = identity;\n    lodash.includes = includes;\n    lodash.indexOf = indexOf;\n    lodash.inRange = inRange;\n    lodash.invoke = invoke;\n    lodash.isArguments = isArguments;\n    lodash.isArray = isArray;\n    lodash.isArrayBuffer = isArrayBuffer;\n    lodash.isArrayLike = isArrayLike;\n    lodash.isArrayLikeObject = isArrayLikeObject;\n    lodash.isBoolean = isBoolean;\n    lodash.isBuffer = isBuffer;\n    lodash.isDate = isDate;\n    lodash.isElement = isElement;\n    lodash.isEmpty = isEmpty;\n    lodash.isEqual = isEqual;\n    lodash.isEqualWith = isEqualWith;\n    lodash.isError = isError;\n    lodash.isFinite = isFinite;\n    lodash.isFunction = isFunction;\n    lodash.isInteger = isInteger;\n    lodash.isLength = isLength;\n    lodash.isMap = isMap;\n    lodash.isMatch = isMatch;\n    lodash.isMatchWith = isMatchWith;\n    lodash.isNaN = isNaN;\n    lodash.isNative = isNative;\n    lodash.isNil = isNil;\n    lodash.isNull = isNull;\n    lodash.isNumber = isNumber;\n    lodash.isObject = isObject;\n    lodash.isObjectLike = isObjectLike;\n    lodash.isPlainObject = isPlainObject;\n    lodash.isRegExp = isRegExp;\n    lodash.isSafeInteger = isSafeInteger;\n    lodash.isSet = isSet;\n    lodash.isString = isString;\n    lodash.isSymbol = isSymbol;\n    lodash.isTypedArray = isTypedArray;\n    lodash.isUndefined = isUndefined;\n    lodash.isWeakMap = isWeakMap;\n    lodash.isWeakSet = isWeakSet;\n    lodash.join = join;\n    lodash.kebabCase = kebabCase;\n    lodash.last = last;\n    lodash.lastIndexOf = lastIndexOf;\n    lodash.lowerCase = lowerCase;\n    lodash.lowerFirst = lowerFirst;\n    lodash.lt = lt;\n    lodash.lte = lte;\n    lodash.max = max;\n    lodash.maxBy = maxBy;\n    lodash.mean = mean;\n    lodash.meanBy = meanBy;\n    lodash.min = min;\n    lodash.minBy = minBy;\n    lodash.stubArray = stubArray;\n    lodash.stubFalse = stubFalse;\n    lodash.stubObject = stubObject;\n    lodash.stubString = stubString;\n    lodash.stubTrue = stubTrue;\n    lodash.multiply = multiply;\n    lodash.nth = nth;\n    lodash.noConflict = noConflict;\n    lodash.noop = noop;\n    lodash.now = now;\n    lodash.pad = pad;\n    lodash.padEnd = padEnd;\n    lodash.padStart = padStart;\n    lodash.parseInt = parseInt;\n    lodash.random = random;\n    lodash.reduce = reduce;\n    lodash.reduceRight = reduceRight;\n    lodash.repeat = repeat;\n    lodash.replace = replace;\n    lodash.result = result;\n    lodash.round = round;\n    lodash.runInContext = runInContext;\n    lodash.sample = sample;\n    lodash.size = size;\n    lodash.snakeCase = snakeCase;\n    lodash.some = some;\n    lodash.sortedIndex = sortedIndex;\n    lodash.sortedIndexBy = sortedIndexBy;\n    lodash.sortedIndexOf = sortedIndexOf;\n    lodash.sortedLastIndex = sortedLastIndex;\n    lodash.sortedLastIndexBy = sortedLastIndexBy;\n    lodash.sortedLastIndexOf = sortedLastIndexOf;\n    lodash.startCase = startCase;\n    lodash.startsWith = startsWith;\n    lodash.subtract = subtract;\n    lodash.sum = sum;\n    lodash.sumBy = sumBy;\n    lodash.template = template;\n    lodash.times = times;\n    lodash.toFinite = toFinite;\n    lodash.toInteger = toInteger;\n    lodash.toLength = toLength;\n    lodash.toLower = toLower;\n    lodash.toNumber = toNumber;\n    lodash.toSafeInteger = toSafeInteger;\n    lodash.toString = toString;\n    lodash.toUpper = toUpper;\n    lodash.trim = trim;\n    lodash.trimEnd = trimEnd;\n    lodash.trimStart = trimStart;\n    lodash.truncate = truncate;\n    lodash.unescape = unescape;\n    lodash.uniqueId = uniqueId;\n    lodash.upperCase = upperCase;\n    lodash.upperFirst = upperFirst;\n\n    // Add aliases.\n    lodash.each = forEach;\n    lodash.eachRight = forEachRight;\n    lodash.first = head;\n\n    mixin(lodash, (function() {\n      var source = {};\n      baseForOwn(lodash, function(func, methodName) {\n        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n          source[methodName] = func;\n        }\n      });\n      return source;\n    }()), { 'chain': false });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The semantic version number.\n     *\n     * @static\n     * @memberOf _\n     * @type {string}\n     */\n    lodash.VERSION = VERSION;\n\n    // Assign default placeholders.\n    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n      lodash[methodName].placeholder = lodash;\n    });\n\n    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n    arrayEach(['drop', 'take'], function(methodName, index) {\n      LazyWrapper.prototype[methodName] = function(n) {\n        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\n        var result = (this.__filtered__ && !index)\n          ? new LazyWrapper(this)\n          : this.clone();\n\n        if (result.__filtered__) {\n          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n        } else {\n          result.__views__.push({\n            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n          });\n        }\n        return result;\n      };\n\n      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n        return this.reverse()[methodName](n).reverse();\n      };\n    });\n\n    // Add `LazyWrapper` methods that accept an `iteratee` value.\n    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n      var type = index + 1,\n          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\n      LazyWrapper.prototype[methodName] = function(iteratee) {\n        var result = this.clone();\n        result.__iteratees__.push({\n          'iteratee': getIteratee(iteratee, 3),\n          'type': type\n        });\n        result.__filtered__ = result.__filtered__ || isFilter;\n        return result;\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n    arrayEach(['head', 'last'], function(methodName, index) {\n      var takeName = 'take' + (index ? 'Right' : '');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this[takeName](1).value()[0];\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n    arrayEach(['initial', 'tail'], function(methodName, index) {\n      var dropName = 'drop' + (index ? '' : 'Right');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n      };\n    });\n\n    LazyWrapper.prototype.compact = function() {\n      return this.filter(identity);\n    };\n\n    LazyWrapper.prototype.find = function(predicate) {\n      return this.filter(predicate).head();\n    };\n\n    LazyWrapper.prototype.findLast = function(predicate) {\n      return this.reverse().find(predicate);\n    };\n\n    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n      if (typeof path == 'function') {\n        return new LazyWrapper(this);\n      }\n      return this.map(function(value) {\n        return baseInvoke(value, path, args);\n      });\n    });\n\n    LazyWrapper.prototype.reject = function(predicate) {\n      return this.filter(negate(getIteratee(predicate)));\n    };\n\n    LazyWrapper.prototype.slice = function(start, end) {\n      start = toInteger(start);\n\n      var result = this;\n      if (result.__filtered__ && (start > 0 || end < 0)) {\n        return new LazyWrapper(result);\n      }\n      if (start < 0) {\n        result = result.takeRight(-start);\n      } else if (start) {\n        result = result.drop(start);\n      }\n      if (end !== undefined) {\n        end = toInteger(end);\n        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n      }\n      return result;\n    };\n\n    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n      return this.reverse().takeWhile(predicate).reverse();\n    };\n\n    LazyWrapper.prototype.toArray = function() {\n      return this.take(MAX_ARRAY_LENGTH);\n    };\n\n    // Add `LazyWrapper` methods to `lodash.prototype`.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n          isTaker = /^(?:head|last)$/.test(methodName),\n          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n          retUnwrapped = isTaker || /^find/.test(methodName);\n\n      if (!lodashFunc) {\n        return;\n      }\n      lodash.prototype[methodName] = function() {\n        var value = this.__wrapped__,\n            args = isTaker ? [1] : arguments,\n            isLazy = value instanceof LazyWrapper,\n            iteratee = args[0],\n            useLazy = isLazy || isArray(value);\n\n        var interceptor = function(value) {\n          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n          return (isTaker && chainAll) ? result[0] : result;\n        };\n\n        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n          isLazy = useLazy = false;\n        }\n        var chainAll = this.__chain__,\n            isHybrid = !!this.__actions__.length,\n            isUnwrapped = retUnwrapped && !chainAll,\n            onlyLazy = isLazy && !isHybrid;\n\n        if (!retUnwrapped && useLazy) {\n          value = onlyLazy ? value : new LazyWrapper(this);\n          var result = func.apply(value, args);\n          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n          return new LodashWrapper(result, chainAll);\n        }\n        if (isUnwrapped && onlyLazy) {\n          return func.apply(this, args);\n        }\n        result = this.thru(interceptor);\n        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n      };\n    });\n\n    // Add `Array` methods to `lodash.prototype`.\n    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n      var func = arrayProto[methodName],\n          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\n      lodash.prototype[methodName] = function() {\n        var args = arguments;\n        if (retUnwrapped && !this.__chain__) {\n          var value = this.value();\n          return func.apply(isArray(value) ? value : [], args);\n        }\n        return this[chainName](function(value) {\n          return func.apply(isArray(value) ? value : [], args);\n        });\n      };\n    });\n\n    // Map minified method names to their real names.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var lodashFunc = lodash[methodName];\n      if (lodashFunc) {\n        var key = (lodashFunc.name + ''),\n            names = realNames[key] || (realNames[key] = []);\n\n        names.push({ 'name': methodName, 'func': lodashFunc });\n      }\n    });\n\n    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n      'name': 'wrapper',\n      'func': undefined\n    }];\n\n    // Add methods to `LazyWrapper`.\n    LazyWrapper.prototype.clone = lazyClone;\n    LazyWrapper.prototype.reverse = lazyReverse;\n    LazyWrapper.prototype.value = lazyValue;\n\n    // Add chain sequence methods to the `lodash` wrapper.\n    lodash.prototype.at = wrapperAt;\n    lodash.prototype.chain = wrapperChain;\n    lodash.prototype.commit = wrapperCommit;\n    lodash.prototype.next = wrapperNext;\n    lodash.prototype.plant = wrapperPlant;\n    lodash.prototype.reverse = wrapperReverse;\n    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\n    // Add lazy aliases.\n    lodash.prototype.first = lodash.prototype.head;\n\n    if (symIterator) {\n      lodash.prototype[symIterator] = wrapperToIterator;\n    }\n    return lodash;\n  });\n\n  /*--------------------------------------------------------------------------*/\n\n  // Export lodash.\n  var _ = runInContext();\n\n  // Some AMD build optimizers, like r.js, check for condition patterns like:\n  if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {\n    // Expose Lodash on the global object to prevent errors when Lodash is\n    // loaded by a script tag in the presence of an AMD loader.\n    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n    // Use `_.noConflict` to remove Lodash from the global object.\n    root._ = _;\n\n    // Define as an anonymous module so, through path mapping, it can be\n    // referenced as the \"underscore\" module.\n    define(function() {\n      return _;\n    });\n  }\n  // Check for `exports` after `define` in case a build optimizer adds it.\n  else if (freeModule) {\n    // Export for Node.js.\n    (freeModule.exports = _)._ = _;\n    // Export for CommonJS support.\n    freeExports._ = _;\n  }\n  else {\n    // Export to the global object.\n    root._ = _;\n  }\n}.call(this));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/lodash/lodash.js\n// module id = 154\n// module chunks = 0","module.exports = { \"default\": require(\"core-js/library/fn/object/define-property\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/babel-runtime/core-js/object/define-property.js\n// module id = 155\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nexports.default = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/babel-runtime/helpers/classCallCheck.js\n// module id = 156\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nvar _defineProperty = require(\"../core-js/object/define-property\");\n\nvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function () {\n  function defineProperties(target, props) {\n    for (var i = 0; i < props.length; i++) {\n      var descriptor = props[i];\n      descriptor.enumerable = descriptor.enumerable || false;\n      descriptor.configurable = true;\n      if (\"value\" in descriptor) descriptor.writable = true;\n      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n    }\n  }\n\n  return function (Constructor, protoProps, staticProps) {\n    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n    if (staticProps) defineProperties(Constructor, staticProps);\n    return Constructor;\n  };\n}();\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/babel-runtime/helpers/createClass.js\n// module id = 157\n// module chunks = 0","require('../../modules/es6.object.define-property');\nvar $Object = require('../../modules/_core').Object;\nmodule.exports = function defineProperty(it, key, desc){\n  return $Object.defineProperty(it, key, desc);\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/fn/object/define-property.js\n// module id = 158\n// module chunks = 0","module.exports = function(it){\n  if(typeof it != 'function')throw TypeError(it + ' is not a function!');\n  return it;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_a-function.js\n// module id = 159\n// module chunks = 0","var isObject = require('./_is-object');\nmodule.exports = function(it){\n  if(!isObject(it))throw TypeError(it + ' is not an object!');\n  return it;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_an-object.js\n// module id = 160\n// module chunks = 0","// optional / simple context binding\nvar aFunction = require('./_a-function');\nmodule.exports = function(fn, that, length){\n  aFunction(fn);\n  if(that === undefined)return fn;\n  switch(length){\n    case 1: return function(a){\n      return fn.call(that, a);\n    };\n    case 2: return function(a, b){\n      return fn.call(that, a, b);\n    };\n    case 3: return function(a, b, c){\n      return fn.call(that, a, b, c);\n    };\n  }\n  return function(/* ...args */){\n    return fn.apply(that, arguments);\n  };\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_ctx.js\n// module id = 161\n// module chunks = 0","var isObject = require('./_is-object')\n  , document = require('./_global').document\n  // in old IE typeof document.createElement is 'object'\n  , is = isObject(document) && isObject(document.createElement);\nmodule.exports = function(it){\n  return is ? document.createElement(it) : {};\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_dom-create.js\n// module id = 162\n// module chunks = 0","var global    = require('./_global')\n  , core      = require('./_core')\n  , ctx       = require('./_ctx')\n  , hide      = require('./_hide')\n  , PROTOTYPE = 'prototype';\n\nvar $export = function(type, name, source){\n  var IS_FORCED = type & $export.F\n    , IS_GLOBAL = type & $export.G\n    , IS_STATIC = type & $export.S\n    , IS_PROTO  = type & $export.P\n    , IS_BIND   = type & $export.B\n    , IS_WRAP   = type & $export.W\n    , exports   = IS_GLOBAL ? core : core[name] || (core[name] = {})\n    , expProto  = exports[PROTOTYPE]\n    , target    = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE]\n    , key, own, out;\n  if(IS_GLOBAL)source = name;\n  for(key in source){\n    // contains in native\n    own = !IS_FORCED && target && target[key] !== undefined;\n    if(own && key in exports)continue;\n    // export native or passed\n    out = own ? target[key] : source[key];\n    // prevent global pollution for namespaces\n    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n    // bind timers to global for call from export context\n    : IS_BIND && own ? ctx(out, global)\n    // wrap global constructors for prevent change them in library\n    : IS_WRAP && target[key] == out ? (function(C){\n      var F = function(a, b, c){\n        if(this instanceof C){\n          switch(arguments.length){\n            case 0: return new C;\n            case 1: return new C(a);\n            case 2: return new C(a, b);\n          } return new C(a, b, c);\n        } return C.apply(this, arguments);\n      };\n      F[PROTOTYPE] = C[PROTOTYPE];\n      return F;\n    // make static versions for prototype methods\n    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n    if(IS_PROTO){\n      (exports.virtual || (exports.virtual = {}))[key] = out;\n      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n      if(type & $export.R && expProto && !expProto[key])hide(expProto, key, out);\n    }\n  }\n};\n// type bitmap\n$export.F = 1;   // forced\n$export.G = 2;   // global\n$export.S = 4;   // static\n$export.P = 8;   // proto\n$export.B = 16;  // bind\n$export.W = 32;  // wrap\n$export.U = 64;  // safe\n$export.R = 128; // real proto method for `library` \nmodule.exports = $export;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_export.js\n// module id = 163\n// module chunks = 0","var dP         = require('./_object-dp')\n  , createDesc = require('./_property-desc');\nmodule.exports = require('./_descriptors') ? function(object, key, value){\n  return dP.f(object, key, createDesc(1, value));\n} : function(object, key, value){\n  object[key] = value;\n  return object;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_hide.js\n// module id = 164\n// module chunks = 0","module.exports = !require('./_descriptors') && !require('./_fails')(function(){\n  return Object.defineProperty(require('./_dom-create')('div'), 'a', {get: function(){ return 7; }}).a != 7;\n});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_ie8-dom-define.js\n// module id = 165\n// module chunks = 0","module.exports = function(bitmap, value){\n  return {\n    enumerable  : !(bitmap & 1),\n    configurable: !(bitmap & 2),\n    writable    : !(bitmap & 4),\n    value       : value\n  };\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_property-desc.js\n// module id = 166\n// module chunks = 0","// 7.1.1 ToPrimitive(input [, PreferredType])\nvar isObject = require('./_is-object');\n// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n// and the second argument - flag - preferred type is a string\nmodule.exports = function(it, S){\n  if(!isObject(it))return it;\n  var fn, val;\n  if(S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n  if(typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it)))return val;\n  if(!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it)))return val;\n  throw TypeError(\"Can't convert object to primitive value\");\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_to-primitive.js\n// module id = 167\n// module chunks = 0","var $export = require('./_export');\n// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n$export($export.S + $export.F * !require('./_descriptors'), 'Object', {defineProperty: require('./_object-dp').f});\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/es6.object.define-property.js\n// module id = 168\n// module chunks = 0","/**\n * @license\n * Lodash <https://lodash.com/>\n * Copyright JS Foundation and other contributors <https://js.foundation/>\n * Released under MIT license <https://lodash.com/license>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n  var undefined;\n\n  /** Used as the semantic version number. */\n  var VERSION = '4.17.4';\n\n  /** Used as the size to enable large array optimizations. */\n  var LARGE_ARRAY_SIZE = 200;\n\n  /** Error message constants. */\n  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n      FUNC_ERROR_TEXT = 'Expected a function';\n\n  /** Used to stand-in for `undefined` hash values. */\n  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n  /** Used as the maximum memoize cache size. */\n  var MAX_MEMOIZE_SIZE = 500;\n\n  /** Used as the internal argument placeholder. */\n  var PLACEHOLDER = '__lodash_placeholder__';\n\n  /** Used to compose bitmasks for cloning. */\n  var CLONE_DEEP_FLAG = 1,\n      CLONE_FLAT_FLAG = 2,\n      CLONE_SYMBOLS_FLAG = 4;\n\n  /** Used to compose bitmasks for value comparisons. */\n  var COMPARE_PARTIAL_FLAG = 1,\n      COMPARE_UNORDERED_FLAG = 2;\n\n  /** Used to compose bitmasks for function metadata. */\n  var WRAP_BIND_FLAG = 1,\n      WRAP_BIND_KEY_FLAG = 2,\n      WRAP_CURRY_BOUND_FLAG = 4,\n      WRAP_CURRY_FLAG = 8,\n      WRAP_CURRY_RIGHT_FLAG = 16,\n      WRAP_PARTIAL_FLAG = 32,\n      WRAP_PARTIAL_RIGHT_FLAG = 64,\n      WRAP_ARY_FLAG = 128,\n      WRAP_REARG_FLAG = 256,\n      WRAP_FLIP_FLAG = 512;\n\n  /** Used as default options for `_.truncate`. */\n  var DEFAULT_TRUNC_LENGTH = 30,\n      DEFAULT_TRUNC_OMISSION = '...';\n\n  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n  var HOT_COUNT = 800,\n      HOT_SPAN = 16;\n\n  /** Used to indicate the type of lazy iteratees. */\n  var LAZY_FILTER_FLAG = 1,\n      LAZY_MAP_FLAG = 2,\n      LAZY_WHILE_FLAG = 3;\n\n  /** Used as references for various `Number` constants. */\n  var INFINITY = 1 / 0,\n      MAX_SAFE_INTEGER = 9007199254740991,\n      MAX_INTEGER = 1.7976931348623157e+308,\n      NAN = 0 / 0;\n\n  /** Used as references for the maximum length and index of an array. */\n  var MAX_ARRAY_LENGTH = 4294967295,\n      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n  /** Used to associate wrap methods with their bit flags. */\n  var wrapFlags = [\n    ['ary', WRAP_ARY_FLAG],\n    ['bind', WRAP_BIND_FLAG],\n    ['bindKey', WRAP_BIND_KEY_FLAG],\n    ['curry', WRAP_CURRY_FLAG],\n    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n    ['flip', WRAP_FLIP_FLAG],\n    ['partial', WRAP_PARTIAL_FLAG],\n    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n    ['rearg', WRAP_REARG_FLAG]\n  ];\n\n  /** `Object#toString` result references. */\n  var argsTag = '[object Arguments]',\n      arrayTag = '[object Array]',\n      asyncTag = '[object AsyncFunction]',\n      boolTag = '[object Boolean]',\n      dateTag = '[object Date]',\n      domExcTag = '[object DOMException]',\n      errorTag = '[object Error]',\n      funcTag = '[object Function]',\n      genTag = '[object GeneratorFunction]',\n      mapTag = '[object Map]',\n      numberTag = '[object Number]',\n      nullTag = '[object Null]',\n      objectTag = '[object Object]',\n      promiseTag = '[object Promise]',\n      proxyTag = '[object Proxy]',\n      regexpTag = '[object RegExp]',\n      setTag = '[object Set]',\n      stringTag = '[object String]',\n      symbolTag = '[object Symbol]',\n      undefinedTag = '[object Undefined]',\n      weakMapTag = '[object WeakMap]',\n      weakSetTag = '[object WeakSet]';\n\n  var arrayBufferTag = '[object ArrayBuffer]',\n      dataViewTag = '[object DataView]',\n      float32Tag = '[object Float32Array]',\n      float64Tag = '[object Float64Array]',\n      int8Tag = '[object Int8Array]',\n      int16Tag = '[object Int16Array]',\n      int32Tag = '[object Int32Array]',\n      uint8Tag = '[object Uint8Array]',\n      uint8ClampedTag = '[object Uint8ClampedArray]',\n      uint16Tag = '[object Uint16Array]',\n      uint32Tag = '[object Uint32Array]';\n\n  /** Used to match empty string literals in compiled template source. */\n  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n  /** Used to match HTML entities and HTML characters. */\n  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n      reUnescapedHtml = /[&<>\"']/g,\n      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n  /** Used to match template delimiters. */\n  var reEscape = /<%-([\\s\\S]+?)%>/g,\n      reEvaluate = /<%([\\s\\S]+?)%>/g,\n      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n  /** Used to match property names within property paths. */\n  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n      reIsPlainProp = /^\\w*$/,\n      reLeadingDot = /^\\./,\n      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n  /**\n   * Used to match `RegExp`\n   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n   */\n  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n      reHasRegExpChar = RegExp(reRegExpChar.source);\n\n  /** Used to match leading and trailing whitespace. */\n  var reTrim = /^\\s+|\\s+$/g,\n      reTrimStart = /^\\s+/,\n      reTrimEnd = /\\s+$/;\n\n  /** Used to match wrap detail comments. */\n  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n      reSplitDetails = /,? & /;\n\n  /** Used to match words composed of alphanumeric characters. */\n  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n  /** Used to match backslashes in property paths. */\n  var reEscapeChar = /\\\\(\\\\)?/g;\n\n  /**\n   * Used to match\n   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n   */\n  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n  /** Used to match `RegExp` flags from their coerced string values. */\n  var reFlags = /\\w*$/;\n\n  /** Used to detect bad signed hexadecimal string values. */\n  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n  /** Used to detect binary string values. */\n  var reIsBinary = /^0b[01]+$/i;\n\n  /** Used to detect host constructors (Safari). */\n  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n  /** Used to detect octal string values. */\n  var reIsOctal = /^0o[0-7]+$/i;\n\n  /** Used to detect unsigned integer values. */\n  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n  /** Used to ensure capturing order of template delimiters. */\n  var reNoMatch = /($^)/;\n\n  /** Used to match unescaped characters in compiled string literals. */\n  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n  /** Used to compose unicode character classes. */\n  var rsAstralRange = '\\\\ud800-\\\\udfff',\n      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n  /** Used to compose unicode capture groups. */\n  var rsApos = \"['\\u2019]\",\n      rsAstral = '[' + rsAstralRange + ']',\n      rsBreak = '[' + rsBreakRange + ']',\n      rsCombo = '[' + rsComboRange + ']',\n      rsDigits = '\\\\d+',\n      rsDingbat = '[' + rsDingbatRange + ']',\n      rsLower = '[' + rsLowerRange + ']',\n      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n      rsNonAstral = '[^' + rsAstralRange + ']',\n      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n      rsUpper = '[' + rsUpperRange + ']',\n      rsZWJ = '\\\\u200d';\n\n  /** Used to compose unicode regexes. */\n  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n      reOptMod = rsModifier + '?',\n      rsOptVar = '[' + rsVarRange + ']?',\n      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n  /** Used to match apostrophes. */\n  var reApos = RegExp(rsApos, 'g');\n\n  /**\n   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n   */\n  var reComboMark = RegExp(rsCombo, 'g');\n\n  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n  /** Used to match complex or compound words. */\n  var reUnicodeWord = RegExp([\n    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n    rsUpper + '+' + rsOptContrUpper,\n    rsOrdUpper,\n    rsOrdLower,\n    rsDigits,\n    rsEmoji\n  ].join('|'), 'g');\n\n  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\n  /** Used to detect strings that need a more robust regexp to match words. */\n  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n  /** Used to assign default `context` object properties. */\n  var contextProps = [\n    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n  ];\n\n  /** Used to make template sourceURLs easier to identify. */\n  var templateCounter = -1;\n\n  /** Used to identify `toStringTag` values of typed arrays. */\n  var typedArrayTags = {};\n  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n  typedArrayTags[uint32Tag] = true;\n  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n  typedArrayTags[weakMapTag] = false;\n\n  /** Used to identify `toStringTag` values supported by `_.clone`. */\n  var cloneableTags = {};\n  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n  cloneableTags[boolTag] = cloneableTags[dateTag] =\n  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n  cloneableTags[numberTag] = cloneableTags[objectTag] =\n  cloneableTags[regexpTag] = cloneableTags[setTag] =\n  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n  cloneableTags[errorTag] = cloneableTags[funcTag] =\n  cloneableTags[weakMapTag] = false;\n\n  /** Used to map Latin Unicode letters to basic Latin letters. */\n  var deburredLetters = {\n    // Latin-1 Supplement block.\n    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n    '\\xc7': 'C',  '\\xe7': 'c',\n    '\\xd0': 'D',  '\\xf0': 'd',\n    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n    '\\xd1': 'N',  '\\xf1': 'n',\n    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n    '\\xc6': 'Ae', '\\xe6': 'ae',\n    '\\xde': 'Th', '\\xfe': 'th',\n    '\\xdf': 'ss',\n    // Latin Extended-A block.\n    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n    '\\u0134': 'J',  '\\u0135': 'j',\n    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n    '\\u0174': 'W',  '\\u0175': 'w',\n    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n    '\\u0132': 'IJ', '\\u0133': 'ij',\n    '\\u0152': 'Oe', '\\u0153': 'oe',\n    '\\u0149': \"'n\", '\\u017f': 's'\n  };\n\n  /** Used to map characters to HTML entities. */\n  var htmlEscapes = {\n    '&': '&amp;',\n    '<': '&lt;',\n    '>': '&gt;',\n    '\"': '&quot;',\n    \"'\": '&#39;'\n  };\n\n  /** Used to map HTML entities to characters. */\n  var htmlUnescapes = {\n    '&amp;': '&',\n    '&lt;': '<',\n    '&gt;': '>',\n    '&quot;': '\"',\n    '&#39;': \"'\"\n  };\n\n  /** Used to escape characters for inclusion in compiled string literals. */\n  var stringEscapes = {\n    '\\\\': '\\\\',\n    \"'\": \"'\",\n    '\\n': 'n',\n    '\\r': 'r',\n    '\\u2028': 'u2028',\n    '\\u2029': 'u2029'\n  };\n\n  /** Built-in method references without a dependency on `root`. */\n  var freeParseFloat = parseFloat,\n      freeParseInt = parseInt;\n\n  /** Detect free variable `global` from Node.js. */\n  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n  /** Detect free variable `self`. */\n  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n  /** Used as a reference to the global object. */\n  var root = freeGlobal || freeSelf || Function('return this')();\n\n  /** Detect free variable `exports`. */\n  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n  /** Detect free variable `module`. */\n  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n  /** Detect the popular CommonJS extension `module.exports`. */\n  var moduleExports = freeModule && freeModule.exports === freeExports;\n\n  /** Detect free variable `process` from Node.js. */\n  var freeProcess = moduleExports && freeGlobal.process;\n\n  /** Used to access faster Node.js helpers. */\n  var nodeUtil = (function() {\n    try {\n      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n    } catch (e) {}\n  }());\n\n  /* Node.js helper references. */\n  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n      nodeIsDate = nodeUtil && nodeUtil.isDate,\n      nodeIsMap = nodeUtil && nodeUtil.isMap,\n      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n      nodeIsSet = nodeUtil && nodeUtil.isSet,\n      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Adds the key-value `pair` to `map`.\n   *\n   * @private\n   * @param {Object} map The map to modify.\n   * @param {Array} pair The key-value pair to add.\n   * @returns {Object} Returns `map`.\n   */\n  function addMapEntry(map, pair) {\n    // Don't return `map.set` because it's not chainable in IE 11.\n    map.set(pair[0], pair[1]);\n    return map;\n  }\n\n  /**\n   * Adds `value` to `set`.\n   *\n   * @private\n   * @param {Object} set The set to modify.\n   * @param {*} value The value to add.\n   * @returns {Object} Returns `set`.\n   */\n  function addSetEntry(set, value) {\n    // Don't return `set.add` because it's not chainable in IE 11.\n    set.add(value);\n    return set;\n  }\n\n  /**\n   * A faster alternative to `Function#apply`, this function invokes `func`\n   * with the `this` binding of `thisArg` and the arguments of `args`.\n   *\n   * @private\n   * @param {Function} func The function to invoke.\n   * @param {*} thisArg The `this` binding of `func`.\n   * @param {Array} args The arguments to invoke `func` with.\n   * @returns {*} Returns the result of `func`.\n   */\n  function apply(func, thisArg, args) {\n    switch (args.length) {\n      case 0: return func.call(thisArg);\n      case 1: return func.call(thisArg, args[0]);\n      case 2: return func.call(thisArg, args[0], args[1]);\n      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n    }\n    return func.apply(thisArg, args);\n  }\n\n  /**\n   * A specialized version of `baseAggregator` for arrays.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} setter The function to set `accumulator` values.\n   * @param {Function} iteratee The iteratee to transform keys.\n   * @param {Object} accumulator The initial aggregated object.\n   * @returns {Function} Returns `accumulator`.\n   */\n  function arrayAggregator(array, setter, iteratee, accumulator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      var value = array[index];\n      setter(accumulator, value, iteratee(value), array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.forEach` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEach(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (iteratee(array[index], index, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.forEachRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEachRight(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n\n    while (length--) {\n      if (iteratee(array[length], length, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.every` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n   *  else `false`.\n   */\n  function arrayEvery(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (!predicate(array[index], index, array)) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * A specialized version of `_.filter` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {Array} Returns the new filtered array.\n   */\n  function arrayFilter(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (predicate(value, index, array)) {\n        result[resIndex++] = value;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.includes` for arrays without support for\n   * specifying an index to search from.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludes(array, value) {\n    var length = array == null ? 0 : array.length;\n    return !!length && baseIndexOf(array, value, 0) > -1;\n  }\n\n  /**\n   * This function is like `arrayIncludes` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludesWith(array, value, comparator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (comparator(value, array[index])) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * A specialized version of `_.map` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the new mapped array.\n   */\n  function arrayMap(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        result = Array(length);\n\n    while (++index < length) {\n      result[index] = iteratee(array[index], index, array);\n    }\n    return result;\n  }\n\n  /**\n   * Appends the elements of `values` to `array`.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {Array} values The values to append.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayPush(array, values) {\n    var index = -1,\n        length = values.length,\n        offset = array.length;\n\n    while (++index < length) {\n      array[offset + index] = values[index];\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.reduce` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the first element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduce(array, iteratee, accumulator, initAccum) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    if (initAccum && length) {\n      accumulator = array[++index];\n    }\n    while (++index < length) {\n      accumulator = iteratee(accumulator, array[index], index, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.reduceRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the last element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n    var length = array == null ? 0 : array.length;\n    if (initAccum && length) {\n      accumulator = array[--length];\n    }\n    while (length--) {\n      accumulator = iteratee(accumulator, array[length], length, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.some` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if any element passes the predicate check,\n   *  else `false`.\n   */\n  function arraySome(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (predicate(array[index], index, array)) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * Gets the size of an ASCII `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  var asciiSize = baseProperty('length');\n\n  /**\n   * Converts an ASCII `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function asciiToArray(string) {\n    return string.split('');\n  }\n\n  /**\n   * Splits an ASCII `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function asciiWords(string) {\n    return string.match(reAsciiWord) || [];\n  }\n\n  /**\n   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n   * without support for iteratee shorthands, which iterates over `collection`\n   * using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the found element or its key, else `undefined`.\n   */\n  function baseFindKey(collection, predicate, eachFunc) {\n    var result;\n    eachFunc(collection, function(value, key, collection) {\n      if (predicate(value, key, collection)) {\n        result = key;\n        return false;\n      }\n    });\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n   * support for iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {number} fromIndex The index to search from.\n   * @param {boolean} [fromRight] Specify iterating from right to left.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n    var length = array.length,\n        index = fromIndex + (fromRight ? 1 : -1);\n\n    while ((fromRight ? index-- : ++index < length)) {\n      if (predicate(array[index], index, array)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOf(array, value, fromIndex) {\n    return value === value\n      ? strictIndexOf(array, value, fromIndex)\n      : baseFindIndex(array, baseIsNaN, fromIndex);\n  }\n\n  /**\n   * This function is like `baseIndexOf` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOfWith(array, value, fromIndex, comparator) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (comparator(array[index], value)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.isNaN` without support for number objects.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n   */\n  function baseIsNaN(value) {\n    return value !== value;\n  }\n\n  /**\n   * The base implementation of `_.mean` and `_.meanBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the mean.\n   */\n  function baseMean(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n    return length ? (baseSum(array, iteratee) / length) : NAN;\n  }\n\n  /**\n   * The base implementation of `_.property` without support for deep paths.\n   *\n   * @private\n   * @param {string} key The key of the property to get.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function baseProperty(key) {\n    return function(object) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.propertyOf` without support for deep paths.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function basePropertyOf(object) {\n    return function(key) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} accumulator The initial value.\n   * @param {boolean} initAccum Specify using the first or last element of\n   *  `collection` as the initial value.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the accumulated value.\n   */\n  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n    eachFunc(collection, function(value, index, collection) {\n      accumulator = initAccum\n        ? (initAccum = false, value)\n        : iteratee(accumulator, value, index, collection);\n    });\n    return accumulator;\n  }\n\n  /**\n   * The base implementation of `_.sortBy` which uses `comparer` to define the\n   * sort order of `array` and replaces criteria objects with their corresponding\n   * values.\n   *\n   * @private\n   * @param {Array} array The array to sort.\n   * @param {Function} comparer The function to define sort order.\n   * @returns {Array} Returns `array`.\n   */\n  function baseSortBy(array, comparer) {\n    var length = array.length;\n\n    array.sort(comparer);\n    while (length--) {\n      array[length] = array[length].value;\n    }\n    return array;\n  }\n\n  /**\n   * The base implementation of `_.sum` and `_.sumBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the sum.\n   */\n  function baseSum(array, iteratee) {\n    var result,\n        index = -1,\n        length = array.length;\n\n    while (++index < length) {\n      var current = iteratee(array[index]);\n      if (current !== undefined) {\n        result = result === undefined ? current : (result + current);\n      }\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.times` without support for iteratee shorthands\n   * or max array length checks.\n   *\n   * @private\n   * @param {number} n The number of times to invoke `iteratee`.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the array of results.\n   */\n  function baseTimes(n, iteratee) {\n    var index = -1,\n        result = Array(n);\n\n    while (++index < n) {\n      result[index] = iteratee(index);\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n   * of key-value pairs for `object` corresponding to the property names of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the key-value pairs.\n   */\n  function baseToPairs(object, props) {\n    return arrayMap(props, function(key) {\n      return [key, object[key]];\n    });\n  }\n\n  /**\n   * The base implementation of `_.unary` without support for storing metadata.\n   *\n   * @private\n   * @param {Function} func The function to cap arguments for.\n   * @returns {Function} Returns the new capped function.\n   */\n  function baseUnary(func) {\n    return function(value) {\n      return func(value);\n    };\n  }\n\n  /**\n   * The base implementation of `_.values` and `_.valuesIn` which creates an\n   * array of `object` property values corresponding to the property names\n   * of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the array of property values.\n   */\n  function baseValues(object, props) {\n    return arrayMap(props, function(key) {\n      return object[key];\n    });\n  }\n\n  /**\n   * Checks if a `cache` value for `key` exists.\n   *\n   * @private\n   * @param {Object} cache The cache to query.\n   * @param {string} key The key of the entry to check.\n   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n   */\n  function cacheHas(cache, key) {\n    return cache.has(key);\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the first unmatched string symbol.\n   */\n  function charsStartIndex(strSymbols, chrSymbols) {\n    var index = -1,\n        length = strSymbols.length;\n\n    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the last unmatched string symbol.\n   */\n  function charsEndIndex(strSymbols, chrSymbols) {\n    var index = strSymbols.length;\n\n    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Gets the number of `placeholder` occurrences in `array`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} placeholder The placeholder to search for.\n   * @returns {number} Returns the placeholder count.\n   */\n  function countHolders(array, placeholder) {\n    var length = array.length,\n        result = 0;\n\n    while (length--) {\n      if (array[length] === placeholder) {\n        ++result;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n   * letters to basic Latin letters.\n   *\n   * @private\n   * @param {string} letter The matched letter to deburr.\n   * @returns {string} Returns the deburred letter.\n   */\n  var deburrLetter = basePropertyOf(deburredLetters);\n\n  /**\n   * Used by `_.escape` to convert characters to HTML entities.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n  /**\n   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  function escapeStringChar(chr) {\n    return '\\\\' + stringEscapes[chr];\n  }\n\n  /**\n   * Gets the value at `key` of `object`.\n   *\n   * @private\n   * @param {Object} [object] The object to query.\n   * @param {string} key The key of the property to get.\n   * @returns {*} Returns the property value.\n   */\n  function getValue(object, key) {\n    return object == null ? undefined : object[key];\n  }\n\n  /**\n   * Checks if `string` contains Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n   */\n  function hasUnicode(string) {\n    return reHasUnicode.test(string);\n  }\n\n  /**\n   * Checks if `string` contains a word composed of Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a word is found, else `false`.\n   */\n  function hasUnicodeWord(string) {\n    return reHasUnicodeWord.test(string);\n  }\n\n  /**\n   * Converts `iterator` to an array.\n   *\n   * @private\n   * @param {Object} iterator The iterator to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function iteratorToArray(iterator) {\n    var data,\n        result = [];\n\n    while (!(data = iterator.next()).done) {\n      result.push(data.value);\n    }\n    return result;\n  }\n\n  /**\n   * Converts `map` to its key-value pairs.\n   *\n   * @private\n   * @param {Object} map The map to convert.\n   * @returns {Array} Returns the key-value pairs.\n   */\n  function mapToArray(map) {\n    var index = -1,\n        result = Array(map.size);\n\n    map.forEach(function(value, key) {\n      result[++index] = [key, value];\n    });\n    return result;\n  }\n\n  /**\n   * Creates a unary function that invokes `func` with its argument transformed.\n   *\n   * @private\n   * @param {Function} func The function to wrap.\n   * @param {Function} transform The argument transform.\n   * @returns {Function} Returns the new function.\n   */\n  function overArg(func, transform) {\n    return function(arg) {\n      return func(transform(arg));\n    };\n  }\n\n  /**\n   * Replaces all `placeholder` elements in `array` with an internal placeholder\n   * and returns an array of their indexes.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {*} placeholder The placeholder to replace.\n   * @returns {Array} Returns the new array of placeholder indexes.\n   */\n  function replaceHolders(array, placeholder) {\n    var index = -1,\n        length = array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (value === placeholder || value === PLACEHOLDER) {\n        array[index] = PLACEHOLDER;\n        result[resIndex++] = index;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Converts `set` to an array of its values.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the values.\n   */\n  function setToArray(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = value;\n    });\n    return result;\n  }\n\n  /**\n   * Converts `set` to its value-value pairs.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the value-value pairs.\n   */\n  function setToPairs(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = [value, value];\n    });\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.indexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictIndexOf(array, value, fromIndex) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * A specialized version of `_.lastIndexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictLastIndexOf(array, value, fromIndex) {\n    var index = fromIndex + 1;\n    while (index--) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return index;\n  }\n\n  /**\n   * Gets the number of symbols in `string`.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {number} Returns the string size.\n   */\n  function stringSize(string) {\n    return hasUnicode(string)\n      ? unicodeSize(string)\n      : asciiSize(string);\n  }\n\n  /**\n   * Converts `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function stringToArray(string) {\n    return hasUnicode(string)\n      ? unicodeToArray(string)\n      : asciiToArray(string);\n  }\n\n  /**\n   * Used by `_.unescape` to convert HTML entities to characters.\n   *\n   * @private\n   * @param {string} chr The matched character to unescape.\n   * @returns {string} Returns the unescaped character.\n   */\n  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n  /**\n   * Gets the size of a Unicode `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  function unicodeSize(string) {\n    var result = reUnicode.lastIndex = 0;\n    while (reUnicode.test(string)) {\n      ++result;\n    }\n    return result;\n  }\n\n  /**\n   * Converts a Unicode `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function unicodeToArray(string) {\n    return string.match(reUnicode) || [];\n  }\n\n  /**\n   * Splits a Unicode `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function unicodeWords(string) {\n    return string.match(reUnicodeWord) || [];\n  }\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Create a new pristine `lodash` function using the `context` object.\n   *\n   * @static\n   * @memberOf _\n   * @since 1.1.0\n   * @category Util\n   * @param {Object} [context=root] The context object.\n   * @returns {Function} Returns a new `lodash` function.\n   * @example\n   *\n   * _.mixin({ 'foo': _.constant('foo') });\n   *\n   * var lodash = _.runInContext();\n   * lodash.mixin({ 'bar': lodash.constant('bar') });\n   *\n   * _.isFunction(_.foo);\n   * // => true\n   * _.isFunction(_.bar);\n   * // => false\n   *\n   * lodash.isFunction(lodash.foo);\n   * // => false\n   * lodash.isFunction(lodash.bar);\n   * // => true\n   *\n   * // Create a suped-up `defer` in Node.js.\n   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n   */\n  var runInContext = (function runInContext(context) {\n    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n    /** Built-in constructor references. */\n    var Array = context.Array,\n        Date = context.Date,\n        Error = context.Error,\n        Function = context.Function,\n        Math = context.Math,\n        Object = context.Object,\n        RegExp = context.RegExp,\n        String = context.String,\n        TypeError = context.TypeError;\n\n    /** Used for built-in method references. */\n    var arrayProto = Array.prototype,\n        funcProto = Function.prototype,\n        objectProto = Object.prototype;\n\n    /** Used to detect overreaching core-js shims. */\n    var coreJsData = context['__core-js_shared__'];\n\n    /** Used to resolve the decompiled source of functions. */\n    var funcToString = funcProto.toString;\n\n    /** Used to check objects for own properties. */\n    var hasOwnProperty = objectProto.hasOwnProperty;\n\n    /** Used to generate unique IDs. */\n    var idCounter = 0;\n\n    /** Used to detect methods masquerading as native. */\n    var maskSrcKey = (function() {\n      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n      return uid ? ('Symbol(src)_1.' + uid) : '';\n    }());\n\n    /**\n     * Used to resolve the\n     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n     * of values.\n     */\n    var nativeObjectToString = objectProto.toString;\n\n    /** Used to infer the `Object` constructor. */\n    var objectCtorString = funcToString.call(Object);\n\n    /** Used to restore the original `_` reference in `_.noConflict`. */\n    var oldDash = root._;\n\n    /** Used to detect if a method is native. */\n    var reIsNative = RegExp('^' +\n      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n    );\n\n    /** Built-in value references. */\n    var Buffer = moduleExports ? context.Buffer : undefined,\n        Symbol = context.Symbol,\n        Uint8Array = context.Uint8Array,\n        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n        getPrototype = overArg(Object.getPrototypeOf, Object),\n        objectCreate = Object.create,\n        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n        splice = arrayProto.splice,\n        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n        symIterator = Symbol ? Symbol.iterator : undefined,\n        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n    var defineProperty = (function() {\n      try {\n        var func = getNative(Object, 'defineProperty');\n        func({}, '', {});\n        return func;\n      } catch (e) {}\n    }());\n\n    /** Mocked built-ins. */\n    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n    /* Built-in method references for those with the same name as other `lodash` methods. */\n    var nativeCeil = Math.ceil,\n        nativeFloor = Math.floor,\n        nativeGetSymbols = Object.getOwnPropertySymbols,\n        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n        nativeIsFinite = context.isFinite,\n        nativeJoin = arrayProto.join,\n        nativeKeys = overArg(Object.keys, Object),\n        nativeMax = Math.max,\n        nativeMin = Math.min,\n        nativeNow = Date.now,\n        nativeParseInt = context.parseInt,\n        nativeRandom = Math.random,\n        nativeReverse = arrayProto.reverse;\n\n    /* Built-in method references that are verified to be native. */\n    var DataView = getNative(context, 'DataView'),\n        Map = getNative(context, 'Map'),\n        Promise = getNative(context, 'Promise'),\n        Set = getNative(context, 'Set'),\n        WeakMap = getNative(context, 'WeakMap'),\n        nativeCreate = getNative(Object, 'create');\n\n    /** Used to store function metadata. */\n    var metaMap = WeakMap && new WeakMap;\n\n    /** Used to lookup unminified function names. */\n    var realNames = {};\n\n    /** Used to detect maps, sets, and weakmaps. */\n    var dataViewCtorString = toSource(DataView),\n        mapCtorString = toSource(Map),\n        promiseCtorString = toSource(Promise),\n        setCtorString = toSource(Set),\n        weakMapCtorString = toSource(WeakMap);\n\n    /** Used to convert symbols to primitives and strings. */\n    var symbolProto = Symbol ? Symbol.prototype : undefined,\n        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` object which wraps `value` to enable implicit method\n     * chain sequences. Methods that operate on and return arrays, collections,\n     * and functions can be chained together. Methods that retrieve a single value\n     * or may return a primitive value will automatically end the chain sequence\n     * and return the unwrapped value. Otherwise, the value must be unwrapped\n     * with `_#value`.\n     *\n     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n     * enabled using `_.chain`.\n     *\n     * The execution of chained methods is lazy, that is, it's deferred until\n     * `_#value` is implicitly or explicitly called.\n     *\n     * Lazy evaluation allows several methods to support shortcut fusion.\n     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n     * the creation of intermediate arrays and can greatly reduce the number of\n     * iteratee executions. Sections of a chain sequence qualify for shortcut\n     * fusion if the section is applied to an array and iteratees accept only\n     * one argument. The heuristic for whether a section qualifies for shortcut\n     * fusion is subject to change.\n     *\n     * Chaining is supported in custom builds as long as the `_#value` method is\n     * directly or indirectly included in the build.\n     *\n     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n     *\n     * The wrapper `Array` methods are:\n     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n     *\n     * The wrapper `String` methods are:\n     * `replace` and `split`\n     *\n     * The wrapper methods that support shortcut fusion are:\n     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n     *\n     * The chainable wrapper methods are:\n     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n     * `zipObject`, `zipObjectDeep`, and `zipWith`\n     *\n     * The wrapper methods that are **not** chainable by default are:\n     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n     * `upperFirst`, `value`, and `words`\n     *\n     * @name _\n     * @constructor\n     * @category Seq\n     * @param {*} value The value to wrap in a `lodash` instance.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2, 3]);\n     *\n     * // Returns an unwrapped value.\n     * wrapped.reduce(_.add);\n     * // => 6\n     *\n     * // Returns a wrapped value.\n     * var squares = wrapped.map(square);\n     *\n     * _.isArray(squares);\n     * // => false\n     *\n     * _.isArray(squares.value());\n     * // => true\n     */\n    function lodash(value) {\n      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n        if (value instanceof LodashWrapper) {\n          return value;\n        }\n        if (hasOwnProperty.call(value, '__wrapped__')) {\n          return wrapperClone(value);\n        }\n      }\n      return new LodashWrapper(value);\n    }\n\n    /**\n     * The base implementation of `_.create` without support for assigning\n     * properties to the created object.\n     *\n     * @private\n     * @param {Object} proto The object to inherit from.\n     * @returns {Object} Returns the new object.\n     */\n    var baseCreate = (function() {\n      function object() {}\n      return function(proto) {\n        if (!isObject(proto)) {\n          return {};\n        }\n        if (objectCreate) {\n          return objectCreate(proto);\n        }\n        object.prototype = proto;\n        var result = new object;\n        object.prototype = undefined;\n        return result;\n      };\n    }());\n\n    /**\n     * The function whose prototype chain sequence wrappers inherit from.\n     *\n     * @private\n     */\n    function baseLodash() {\n      // No operation performed.\n    }\n\n    /**\n     * The base constructor for creating `lodash` wrapper objects.\n     *\n     * @private\n     * @param {*} value The value to wrap.\n     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n     */\n    function LodashWrapper(value, chainAll) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__chain__ = !!chainAll;\n      this.__index__ = 0;\n      this.__values__ = undefined;\n    }\n\n    /**\n     * By default, the template delimiters used by lodash are like those in\n     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n     * following template settings to use alternative delimiters.\n     *\n     * @static\n     * @memberOf _\n     * @type {Object}\n     */\n    lodash.templateSettings = {\n\n      /**\n       * Used to detect `data` property values to be HTML-escaped.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'escape': reEscape,\n\n      /**\n       * Used to detect code to be evaluated.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'evaluate': reEvaluate,\n\n      /**\n       * Used to detect `data` property values to inject.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'interpolate': reInterpolate,\n\n      /**\n       * Used to reference the data object in the template text.\n       *\n       * @memberOf _.templateSettings\n       * @type {string}\n       */\n      'variable': '',\n\n      /**\n       * Used to import variables into the compiled template.\n       *\n       * @memberOf _.templateSettings\n       * @type {Object}\n       */\n      'imports': {\n\n        /**\n         * A reference to the `lodash` function.\n         *\n         * @memberOf _.templateSettings.imports\n         * @type {Function}\n         */\n        '_': lodash\n      }\n    };\n\n    // Ensure wrappers are instances of `baseLodash`.\n    lodash.prototype = baseLodash.prototype;\n    lodash.prototype.constructor = lodash;\n\n    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n    LodashWrapper.prototype.constructor = LodashWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n     *\n     * @private\n     * @constructor\n     * @param {*} value The value to wrap.\n     */\n    function LazyWrapper(value) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__dir__ = 1;\n      this.__filtered__ = false;\n      this.__iteratees__ = [];\n      this.__takeCount__ = MAX_ARRAY_LENGTH;\n      this.__views__ = [];\n    }\n\n    /**\n     * Creates a clone of the lazy wrapper object.\n     *\n     * @private\n     * @name clone\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the cloned `LazyWrapper` object.\n     */\n    function lazyClone() {\n      var result = new LazyWrapper(this.__wrapped__);\n      result.__actions__ = copyArray(this.__actions__);\n      result.__dir__ = this.__dir__;\n      result.__filtered__ = this.__filtered__;\n      result.__iteratees__ = copyArray(this.__iteratees__);\n      result.__takeCount__ = this.__takeCount__;\n      result.__views__ = copyArray(this.__views__);\n      return result;\n    }\n\n    /**\n     * Reverses the direction of lazy iteration.\n     *\n     * @private\n     * @name reverse\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n     */\n    function lazyReverse() {\n      if (this.__filtered__) {\n        var result = new LazyWrapper(this);\n        result.__dir__ = -1;\n        result.__filtered__ = true;\n      } else {\n        result = this.clone();\n        result.__dir__ *= -1;\n      }\n      return result;\n    }\n\n    /**\n     * Extracts the unwrapped value from its lazy wrapper.\n     *\n     * @private\n     * @name value\n     * @memberOf LazyWrapper\n     * @returns {*} Returns the unwrapped value.\n     */\n    function lazyValue() {\n      var array = this.__wrapped__.value(),\n          dir = this.__dir__,\n          isArr = isArray(array),\n          isRight = dir < 0,\n          arrLength = isArr ? array.length : 0,\n          view = getView(0, arrLength, this.__views__),\n          start = view.start,\n          end = view.end,\n          length = end - start,\n          index = isRight ? end : (start - 1),\n          iteratees = this.__iteratees__,\n          iterLength = iteratees.length,\n          resIndex = 0,\n          takeCount = nativeMin(length, this.__takeCount__);\n\n      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n        return baseWrapperValue(array, this.__actions__);\n      }\n      var result = [];\n\n      outer:\n      while (length-- && resIndex < takeCount) {\n        index += dir;\n\n        var iterIndex = -1,\n            value = array[index];\n\n        while (++iterIndex < iterLength) {\n          var data = iteratees[iterIndex],\n              iteratee = data.iteratee,\n              type = data.type,\n              computed = iteratee(value);\n\n          if (type == LAZY_MAP_FLAG) {\n            value = computed;\n          } else if (!computed) {\n            if (type == LAZY_FILTER_FLAG) {\n              continue outer;\n            } else {\n              break outer;\n            }\n          }\n        }\n        result[resIndex++] = value;\n      }\n      return result;\n    }\n\n    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n    LazyWrapper.prototype.constructor = LazyWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a hash object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Hash(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the hash.\n     *\n     * @private\n     * @name clear\n     * @memberOf Hash\n     */\n    function hashClear() {\n      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the hash.\n     *\n     * @private\n     * @name delete\n     * @memberOf Hash\n     * @param {Object} hash The hash to modify.\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function hashDelete(key) {\n      var result = this.has(key) && delete this.__data__[key];\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the hash value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Hash\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function hashGet(key) {\n      var data = this.__data__;\n      if (nativeCreate) {\n        var result = data[key];\n        return result === HASH_UNDEFINED ? undefined : result;\n      }\n      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n    }\n\n    /**\n     * Checks if a hash value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Hash\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function hashHas(key) {\n      var data = this.__data__;\n      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n    }\n\n    /**\n     * Sets the hash `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Hash\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the hash instance.\n     */\n    function hashSet(key, value) {\n      var data = this.__data__;\n      this.size += this.has(key) ? 0 : 1;\n      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n      return this;\n    }\n\n    // Add methods to `Hash`.\n    Hash.prototype.clear = hashClear;\n    Hash.prototype['delete'] = hashDelete;\n    Hash.prototype.get = hashGet;\n    Hash.prototype.has = hashHas;\n    Hash.prototype.set = hashSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an list cache object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function ListCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the list cache.\n     *\n     * @private\n     * @name clear\n     * @memberOf ListCache\n     */\n    function listCacheClear() {\n      this.__data__ = [];\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the list cache.\n     *\n     * @private\n     * @name delete\n     * @memberOf ListCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function listCacheDelete(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        return false;\n      }\n      var lastIndex = data.length - 1;\n      if (index == lastIndex) {\n        data.pop();\n      } else {\n        splice.call(data, index, 1);\n      }\n      --this.size;\n      return true;\n    }\n\n    /**\n     * Gets the list cache value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf ListCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function listCacheGet(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      return index < 0 ? undefined : data[index][1];\n    }\n\n    /**\n     * Checks if a list cache value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf ListCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function listCacheHas(key) {\n      return assocIndexOf(this.__data__, key) > -1;\n    }\n\n    /**\n     * Sets the list cache `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf ListCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the list cache instance.\n     */\n    function listCacheSet(key, value) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        ++this.size;\n        data.push([key, value]);\n      } else {\n        data[index][1] = value;\n      }\n      return this;\n    }\n\n    // Add methods to `ListCache`.\n    ListCache.prototype.clear = listCacheClear;\n    ListCache.prototype['delete'] = listCacheDelete;\n    ListCache.prototype.get = listCacheGet;\n    ListCache.prototype.has = listCacheHas;\n    ListCache.prototype.set = listCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a map cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function MapCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the map.\n     *\n     * @private\n     * @name clear\n     * @memberOf MapCache\n     */\n    function mapCacheClear() {\n      this.size = 0;\n      this.__data__ = {\n        'hash': new Hash,\n        'map': new (Map || ListCache),\n        'string': new Hash\n      };\n    }\n\n    /**\n     * Removes `key` and its value from the map.\n     *\n     * @private\n     * @name delete\n     * @memberOf MapCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function mapCacheDelete(key) {\n      var result = getMapData(this, key)['delete'](key);\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the map value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf MapCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function mapCacheGet(key) {\n      return getMapData(this, key).get(key);\n    }\n\n    /**\n     * Checks if a map value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf MapCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function mapCacheHas(key) {\n      return getMapData(this, key).has(key);\n    }\n\n    /**\n     * Sets the map `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf MapCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the map cache instance.\n     */\n    function mapCacheSet(key, value) {\n      var data = getMapData(this, key),\n          size = data.size;\n\n      data.set(key, value);\n      this.size += data.size == size ? 0 : 1;\n      return this;\n    }\n\n    // Add methods to `MapCache`.\n    MapCache.prototype.clear = mapCacheClear;\n    MapCache.prototype['delete'] = mapCacheDelete;\n    MapCache.prototype.get = mapCacheGet;\n    MapCache.prototype.has = mapCacheHas;\n    MapCache.prototype.set = mapCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     *\n     * Creates an array cache object to store unique values.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [values] The values to cache.\n     */\n    function SetCache(values) {\n      var index = -1,\n          length = values == null ? 0 : values.length;\n\n      this.__data__ = new MapCache;\n      while (++index < length) {\n        this.add(values[index]);\n      }\n    }\n\n    /**\n     * Adds `value` to the array cache.\n     *\n     * @private\n     * @name add\n     * @memberOf SetCache\n     * @alias push\n     * @param {*} value The value to cache.\n     * @returns {Object} Returns the cache instance.\n     */\n    function setCacheAdd(value) {\n      this.__data__.set(value, HASH_UNDEFINED);\n      return this;\n    }\n\n    /**\n     * Checks if `value` is in the array cache.\n     *\n     * @private\n     * @name has\n     * @memberOf SetCache\n     * @param {*} value The value to search for.\n     * @returns {number} Returns `true` if `value` is found, else `false`.\n     */\n    function setCacheHas(value) {\n      return this.__data__.has(value);\n    }\n\n    // Add methods to `SetCache`.\n    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n    SetCache.prototype.has = setCacheHas;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a stack cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Stack(entries) {\n      var data = this.__data__ = new ListCache(entries);\n      this.size = data.size;\n    }\n\n    /**\n     * Removes all key-value entries from the stack.\n     *\n     * @private\n     * @name clear\n     * @memberOf Stack\n     */\n    function stackClear() {\n      this.__data__ = new ListCache;\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the stack.\n     *\n     * @private\n     * @name delete\n     * @memberOf Stack\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function stackDelete(key) {\n      var data = this.__data__,\n          result = data['delete'](key);\n\n      this.size = data.size;\n      return result;\n    }\n\n    /**\n     * Gets the stack value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Stack\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function stackGet(key) {\n      return this.__data__.get(key);\n    }\n\n    /**\n     * Checks if a stack value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Stack\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function stackHas(key) {\n      return this.__data__.has(key);\n    }\n\n    /**\n     * Sets the stack `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Stack\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the stack cache instance.\n     */\n    function stackSet(key, value) {\n      var data = this.__data__;\n      if (data instanceof ListCache) {\n        var pairs = data.__data__;\n        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n          pairs.push([key, value]);\n          this.size = ++data.size;\n          return this;\n        }\n        data = this.__data__ = new MapCache(pairs);\n      }\n      data.set(key, value);\n      this.size = data.size;\n      return this;\n    }\n\n    // Add methods to `Stack`.\n    Stack.prototype.clear = stackClear;\n    Stack.prototype['delete'] = stackDelete;\n    Stack.prototype.get = stackGet;\n    Stack.prototype.has = stackHas;\n    Stack.prototype.set = stackSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of the enumerable property names of the array-like `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @param {boolean} inherited Specify returning inherited property names.\n     * @returns {Array} Returns the array of property names.\n     */\n    function arrayLikeKeys(value, inherited) {\n      var isArr = isArray(value),\n          isArg = !isArr && isArguments(value),\n          isBuff = !isArr && !isArg && isBuffer(value),\n          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n          skipIndexes = isArr || isArg || isBuff || isType,\n          result = skipIndexes ? baseTimes(value.length, String) : [],\n          length = result.length;\n\n      for (var key in value) {\n        if ((inherited || hasOwnProperty.call(value, key)) &&\n            !(skipIndexes && (\n               // Safari 9 has enumerable `arguments.length` in strict mode.\n               key == 'length' ||\n               // Node.js 0.10 has enumerable non-index properties on buffers.\n               (isBuff && (key == 'offset' || key == 'parent')) ||\n               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n               // Skip index properties.\n               isIndex(key, length)\n            ))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `_.sample` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @returns {*} Returns the random element.\n     */\n    function arraySample(array) {\n      var length = array.length;\n      return length ? array[baseRandom(0, length - 1)] : undefined;\n    }\n\n    /**\n     * A specialized version of `_.sampleSize` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function arraySampleSize(array, n) {\n      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * A specialized version of `_.shuffle` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function arrayShuffle(array) {\n      return shuffleSelf(copyArray(array));\n    }\n\n    /**\n     * This function is like `assignValue` except that it doesn't assign\n     * `undefined` values.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignMergeValue(object, key, value) {\n      if ((value !== undefined && !eq(object[key], value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignValue(object, key, value) {\n      var objValue = object[key];\n      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Gets the index at which the `key` is found in `array` of key-value pairs.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {*} key The key to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     */\n    function assocIndexOf(array, key) {\n      var length = array.length;\n      while (length--) {\n        if (eq(array[length][0], key)) {\n          return length;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * Aggregates elements of `collection` on `accumulator` with keys transformed\n     * by `iteratee` and values set by `setter`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform keys.\n     * @param {Object} accumulator The initial aggregated object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseAggregator(collection, setter, iteratee, accumulator) {\n      baseEach(collection, function(value, key, collection) {\n        setter(accumulator, value, iteratee(value), collection);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.assign` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssign(object, source) {\n      return object && copyObject(source, keys(source), object);\n    }\n\n    /**\n     * The base implementation of `_.assignIn` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssignIn(object, source) {\n      return object && copyObject(source, keysIn(source), object);\n    }\n\n    /**\n     * The base implementation of `assignValue` and `assignMergeValue` without\n     * value checks.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function baseAssignValue(object, key, value) {\n      if (key == '__proto__' && defineProperty) {\n        defineProperty(object, key, {\n          'configurable': true,\n          'enumerable': true,\n          'value': value,\n          'writable': true\n        });\n      } else {\n        object[key] = value;\n      }\n    }\n\n    /**\n     * The base implementation of `_.at` without support for individual paths.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Array} Returns the picked elements.\n     */\n    function baseAt(object, paths) {\n      var index = -1,\n          length = paths.length,\n          result = Array(length),\n          skip = object == null;\n\n      while (++index < length) {\n        result[index] = skip ? undefined : get(object, paths[index]);\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.clamp` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     */\n    function baseClamp(number, lower, upper) {\n      if (number === number) {\n        if (upper !== undefined) {\n          number = number <= upper ? number : upper;\n        }\n        if (lower !== undefined) {\n          number = number >= lower ? number : lower;\n        }\n      }\n      return number;\n    }\n\n    /**\n     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n     * traversed objects.\n     *\n     * @private\n     * @param {*} value The value to clone.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Deep clone\n     *  2 - Flatten inherited properties\n     *  4 - Clone symbols\n     * @param {Function} [customizer] The function to customize cloning.\n     * @param {string} [key] The key of `value`.\n     * @param {Object} [object] The parent object of `value`.\n     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n     * @returns {*} Returns the cloned value.\n     */\n    function baseClone(value, bitmask, customizer, key, object, stack) {\n      var result,\n          isDeep = bitmask & CLONE_DEEP_FLAG,\n          isFlat = bitmask & CLONE_FLAT_FLAG,\n          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n      if (customizer) {\n        result = object ? customizer(value, key, object, stack) : customizer(value);\n      }\n      if (result !== undefined) {\n        return result;\n      }\n      if (!isObject(value)) {\n        return value;\n      }\n      var isArr = isArray(value);\n      if (isArr) {\n        result = initCloneArray(value);\n        if (!isDeep) {\n          return copyArray(value, result);\n        }\n      } else {\n        var tag = getTag(value),\n            isFunc = tag == funcTag || tag == genTag;\n\n        if (isBuffer(value)) {\n          return cloneBuffer(value, isDeep);\n        }\n        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n          if (!isDeep) {\n            return isFlat\n              ? copySymbolsIn(value, baseAssignIn(result, value))\n              : copySymbols(value, baseAssign(result, value));\n          }\n        } else {\n          if (!cloneableTags[tag]) {\n            return object ? value : {};\n          }\n          result = initCloneByTag(value, tag, baseClone, isDeep);\n        }\n      }\n      // Check for circular references and return its corresponding clone.\n      stack || (stack = new Stack);\n      var stacked = stack.get(value);\n      if (stacked) {\n        return stacked;\n      }\n      stack.set(value, result);\n\n      var keysFunc = isFull\n        ? (isFlat ? getAllKeysIn : getAllKeys)\n        : (isFlat ? keysIn : keys);\n\n      var props = isArr ? undefined : keysFunc(value);\n      arrayEach(props || value, function(subValue, key) {\n        if (props) {\n          key = subValue;\n          subValue = value[key];\n        }\n        // Recursively populate clone (susceptible to call stack limits).\n        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.conforms` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseConforms(source) {\n      var props = keys(source);\n      return function(object) {\n        return baseConformsTo(object, source, props);\n      };\n    }\n\n    /**\n     * The base implementation of `_.conformsTo` which accepts `props` to check.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     */\n    function baseConformsTo(object, source, props) {\n      var length = props.length;\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (length--) {\n        var key = props[length],\n            predicate = source[key],\n            value = object[key];\n\n        if ((value === undefined && !(key in object)) || !predicate(value)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n     * to provide to `func`.\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {Array} args The arguments to provide to `func`.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    function baseDelay(func, wait, args) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return setTimeout(function() { func.apply(undefined, args); }, wait);\n    }\n\n    /**\n     * The base implementation of methods like `_.difference` without support\n     * for excluding multiple arrays or iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Array} values The values to exclude.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     */\n    function baseDifference(array, values, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          isCommon = true,\n          length = array.length,\n          result = [],\n          valuesLength = values.length;\n\n      if (!length) {\n        return result;\n      }\n      if (iteratee) {\n        values = arrayMap(values, baseUnary(iteratee));\n      }\n      if (comparator) {\n        includes = arrayIncludesWith;\n        isCommon = false;\n      }\n      else if (values.length >= LARGE_ARRAY_SIZE) {\n        includes = cacheHas;\n        isCommon = false;\n        values = new SetCache(values);\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee == null ? value : iteratee(value);\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var valuesIndex = valuesLength;\n          while (valuesIndex--) {\n            if (values[valuesIndex] === computed) {\n              continue outer;\n            }\n          }\n          result.push(value);\n        }\n        else if (!includes(values, computed, comparator)) {\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.forEach` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEach = createBaseEach(baseForOwn);\n\n    /**\n     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n    /**\n     * The base implementation of `_.every` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`\n     */\n    function baseEvery(collection, predicate) {\n      var result = true;\n      baseEach(collection, function(value, index, collection) {\n        result = !!predicate(value, index, collection);\n        return result;\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of methods like `_.max` and `_.min` which accepts a\n     * `comparator` to determine the extremum value.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The iteratee invoked per iteration.\n     * @param {Function} comparator The comparator used to compare values.\n     * @returns {*} Returns the extremum value.\n     */\n    function baseExtremum(array, iteratee, comparator) {\n      var index = -1,\n          length = array.length;\n\n      while (++index < length) {\n        var value = array[index],\n            current = iteratee(value);\n\n        if (current != null && (computed === undefined\n              ? (current === current && !isSymbol(current))\n              : comparator(current, computed)\n            )) {\n          var computed = current,\n              result = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.fill` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     */\n    function baseFill(array, value, start, end) {\n      var length = array.length;\n\n      start = toInteger(start);\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = (end === undefined || end > length) ? length : toInteger(end);\n      if (end < 0) {\n        end += length;\n      }\n      end = start > end ? 0 : toLength(end);\n      while (start < end) {\n        array[start++] = value;\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.filter` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     */\n    function baseFilter(collection, predicate) {\n      var result = [];\n      baseEach(collection, function(value, index, collection) {\n        if (predicate(value, index, collection)) {\n          result.push(value);\n        }\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.flatten` with support for restricting flattening.\n     *\n     * @private\n     * @param {Array} array The array to flatten.\n     * @param {number} depth The maximum recursion depth.\n     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n     * @param {Array} [result=[]] The initial result value.\n     * @returns {Array} Returns the new flattened array.\n     */\n    function baseFlatten(array, depth, predicate, isStrict, result) {\n      var index = -1,\n          length = array.length;\n\n      predicate || (predicate = isFlattenable);\n      result || (result = []);\n\n      while (++index < length) {\n        var value = array[index];\n        if (depth > 0 && predicate(value)) {\n          if (depth > 1) {\n            // Recursively flatten arrays (susceptible to call stack limits).\n            baseFlatten(value, depth - 1, predicate, isStrict, result);\n          } else {\n            arrayPush(result, value);\n          }\n        } else if (!isStrict) {\n          result[result.length] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `baseForOwn` which iterates over `object`\n     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseFor = createBaseFor();\n\n    /**\n     * This function is like `baseFor` except that it iterates over properties\n     * in the opposite order.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseForRight = createBaseFor(true);\n\n    /**\n     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwn(object, iteratee) {\n      return object && baseFor(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwnRight(object, iteratee) {\n      return object && baseForRight(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.functions` which creates an array of\n     * `object` function property names filtered from `props`.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Array} props The property names to filter.\n     * @returns {Array} Returns the function names.\n     */\n    function baseFunctions(object, props) {\n      return arrayFilter(props, function(key) {\n        return isFunction(object[key]);\n      });\n    }\n\n    /**\n     * The base implementation of `_.get` without support for default values.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseGet(object, path) {\n      path = castPath(path, object);\n\n      var index = 0,\n          length = path.length;\n\n      while (object != null && index < length) {\n        object = object[toKey(path[index++])];\n      }\n      return (index && index == length) ? object : undefined;\n    }\n\n    /**\n     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n      var result = keysFunc(object);\n      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n    }\n\n    /**\n     * The base implementation of `getTag` without fallbacks for buggy environments.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    function baseGetTag(value) {\n      if (value == null) {\n        return value === undefined ? undefinedTag : nullTag;\n      }\n      return (symToStringTag && symToStringTag in Object(value))\n        ? getRawTag(value)\n        : objectToString(value);\n    }\n\n    /**\n     * The base implementation of `_.gt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     */\n    function baseGt(value, other) {\n      return value > other;\n    }\n\n    /**\n     * The base implementation of `_.has` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHas(object, key) {\n      return object != null && hasOwnProperty.call(object, key);\n    }\n\n    /**\n     * The base implementation of `_.hasIn` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHasIn(object, key) {\n      return object != null && key in Object(object);\n    }\n\n    /**\n     * The base implementation of `_.inRange` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to check.\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     */\n    function baseInRange(number, start, end) {\n      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n    }\n\n    /**\n     * The base implementation of methods like `_.intersection`, without support\n     * for iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of shared values.\n     */\n    function baseIntersection(arrays, iteratee, comparator) {\n      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n          length = arrays[0].length,\n          othLength = arrays.length,\n          othIndex = othLength,\n          caches = Array(othLength),\n          maxLength = Infinity,\n          result = [];\n\n      while (othIndex--) {\n        var array = arrays[othIndex];\n        if (othIndex && iteratee) {\n          array = arrayMap(array, baseUnary(iteratee));\n        }\n        maxLength = nativeMin(array.length, maxLength);\n        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n          ? new SetCache(othIndex && array)\n          : undefined;\n      }\n      array = arrays[0];\n\n      var index = -1,\n          seen = caches[0];\n\n      outer:\n      while (++index < length && result.length < maxLength) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (!(seen\n              ? cacheHas(seen, computed)\n              : includes(result, computed, comparator)\n            )) {\n          othIndex = othLength;\n          while (--othIndex) {\n            var cache = caches[othIndex];\n            if (!(cache\n                  ? cacheHas(cache, computed)\n                  : includes(arrays[othIndex], computed, comparator))\n                ) {\n              continue outer;\n            }\n          }\n          if (seen) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.invert` and `_.invertBy` which inverts\n     * `object` with values transformed by `iteratee` and set by `setter`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform values.\n     * @param {Object} accumulator The initial inverted object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseInverter(object, setter, iteratee, accumulator) {\n      baseForOwn(object, function(value, key, object) {\n        setter(accumulator, iteratee(value), key, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.invoke` without support for individual\n     * method arguments.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {Array} args The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     */\n    function baseInvoke(object, path, args) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      var func = object == null ? object : object[toKey(last(path))];\n      return func == null ? undefined : apply(func, object, args);\n    }\n\n    /**\n     * The base implementation of `_.isArguments`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     */\n    function baseIsArguments(value) {\n      return isObjectLike(value) && baseGetTag(value) == argsTag;\n    }\n\n    /**\n     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     */\n    function baseIsArrayBuffer(value) {\n      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n    }\n\n    /**\n     * The base implementation of `_.isDate` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     */\n    function baseIsDate(value) {\n      return isObjectLike(value) && baseGetTag(value) == dateTag;\n    }\n\n    /**\n     * The base implementation of `_.isEqual` which supports partial comparisons\n     * and tracks traversed objects.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Unordered comparison\n     *  2 - Partial comparison\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     */\n    function baseIsEqual(value, other, bitmask, customizer, stack) {\n      if (value === other) {\n        return true;\n      }\n      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n        return value !== value && other !== other;\n      }\n      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n    }\n\n    /**\n     * A specialized version of `baseIsEqual` for arrays and objects which performs\n     * deep comparisons and tracks traversed objects enabling objects with circular\n     * references to be compared.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n      var objIsArr = isArray(object),\n          othIsArr = isArray(other),\n          objTag = objIsArr ? arrayTag : getTag(object),\n          othTag = othIsArr ? arrayTag : getTag(other);\n\n      objTag = objTag == argsTag ? objectTag : objTag;\n      othTag = othTag == argsTag ? objectTag : othTag;\n\n      var objIsObj = objTag == objectTag,\n          othIsObj = othTag == objectTag,\n          isSameTag = objTag == othTag;\n\n      if (isSameTag && isBuffer(object)) {\n        if (!isBuffer(other)) {\n          return false;\n        }\n        objIsArr = true;\n        objIsObj = false;\n      }\n      if (isSameTag && !objIsObj) {\n        stack || (stack = new Stack);\n        return (objIsArr || isTypedArray(object))\n          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n      }\n      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n        if (objIsWrapped || othIsWrapped) {\n          var objUnwrapped = objIsWrapped ? object.value() : object,\n              othUnwrapped = othIsWrapped ? other.value() : other;\n\n          stack || (stack = new Stack);\n          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n        }\n      }\n      if (!isSameTag) {\n        return false;\n      }\n      stack || (stack = new Stack);\n      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n    }\n\n    /**\n     * The base implementation of `_.isMap` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     */\n    function baseIsMap(value) {\n      return isObjectLike(value) && getTag(value) == mapTag;\n    }\n\n    /**\n     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Array} matchData The property names, values, and compare flags to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     */\n    function baseIsMatch(object, source, matchData, customizer) {\n      var index = matchData.length,\n          length = index,\n          noCustomizer = !customizer;\n\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (index--) {\n        var data = matchData[index];\n        if ((noCustomizer && data[2])\n              ? data[1] !== object[data[0]]\n              : !(data[0] in object)\n            ) {\n          return false;\n        }\n      }\n      while (++index < length) {\n        data = matchData[index];\n        var key = data[0],\n            objValue = object[key],\n            srcValue = data[1];\n\n        if (noCustomizer && data[2]) {\n          if (objValue === undefined && !(key in object)) {\n            return false;\n          }\n        } else {\n          var stack = new Stack;\n          if (customizer) {\n            var result = customizer(objValue, srcValue, key, object, source, stack);\n          }\n          if (!(result === undefined\n                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n                : result\n              )) {\n            return false;\n          }\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.isNative` without bad shim checks.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     */\n    function baseIsNative(value) {\n      if (!isObject(value) || isMasked(value)) {\n        return false;\n      }\n      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n      return pattern.test(toSource(value));\n    }\n\n    /**\n     * The base implementation of `_.isRegExp` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     */\n    function baseIsRegExp(value) {\n      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n    }\n\n    /**\n     * The base implementation of `_.isSet` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     */\n    function baseIsSet(value) {\n      return isObjectLike(value) && getTag(value) == setTag;\n    }\n\n    /**\n     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     */\n    function baseIsTypedArray(value) {\n      return isObjectLike(value) &&\n        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n    }\n\n    /**\n     * The base implementation of `_.iteratee`.\n     *\n     * @private\n     * @param {*} [value=_.identity] The value to convert to an iteratee.\n     * @returns {Function} Returns the iteratee.\n     */\n    function baseIteratee(value) {\n      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n      if (typeof value == 'function') {\n        return value;\n      }\n      if (value == null) {\n        return identity;\n      }\n      if (typeof value == 'object') {\n        return isArray(value)\n          ? baseMatchesProperty(value[0], value[1])\n          : baseMatches(value);\n      }\n      return property(value);\n    }\n\n    /**\n     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeys(object) {\n      if (!isPrototype(object)) {\n        return nativeKeys(object);\n      }\n      var result = [];\n      for (var key in Object(object)) {\n        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeysIn(object) {\n      if (!isObject(object)) {\n        return nativeKeysIn(object);\n      }\n      var isProto = isPrototype(object),\n          result = [];\n\n      for (var key in object) {\n        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.lt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     */\n    function baseLt(value, other) {\n      return value < other;\n    }\n\n    /**\n     * The base implementation of `_.map` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     */\n    function baseMap(collection, iteratee) {\n      var index = -1,\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value, key, collection) {\n        result[++index] = iteratee(value, key, collection);\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.matches` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatches(source) {\n      var matchData = getMatchData(source);\n      if (matchData.length == 1 && matchData[0][2]) {\n        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n      }\n      return function(object) {\n        return object === source || baseIsMatch(object, source, matchData);\n      };\n    }\n\n    /**\n     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n     *\n     * @private\n     * @param {string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatchesProperty(path, srcValue) {\n      if (isKey(path) && isStrictComparable(srcValue)) {\n        return matchesStrictComparable(toKey(path), srcValue);\n      }\n      return function(object) {\n        var objValue = get(object, path);\n        return (objValue === undefined && objValue === srcValue)\n          ? hasIn(object, path)\n          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n      };\n    }\n\n    /**\n     * The base implementation of `_.merge` without support for multiple sources.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} [customizer] The function to customize merged values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMerge(object, source, srcIndex, customizer, stack) {\n      if (object === source) {\n        return;\n      }\n      baseFor(source, function(srcValue, key) {\n        if (isObject(srcValue)) {\n          stack || (stack = new Stack);\n          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n        }\n        else {\n          var newValue = customizer\n            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n            : undefined;\n\n          if (newValue === undefined) {\n            newValue = srcValue;\n          }\n          assignMergeValue(object, key, newValue);\n        }\n      }, keysIn);\n    }\n\n    /**\n     * A specialized version of `baseMerge` for arrays and objects which performs\n     * deep merges and tracks traversed objects enabling objects with circular\n     * references to be merged.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {string} key The key of the value to merge.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} mergeFunc The function to merge values.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n      var objValue = object[key],\n          srcValue = source[key],\n          stacked = stack.get(srcValue);\n\n      if (stacked) {\n        assignMergeValue(object, key, stacked);\n        return;\n      }\n      var newValue = customizer\n        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n        : undefined;\n\n      var isCommon = newValue === undefined;\n\n      if (isCommon) {\n        var isArr = isArray(srcValue),\n            isBuff = !isArr && isBuffer(srcValue),\n            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n        newValue = srcValue;\n        if (isArr || isBuff || isTyped) {\n          if (isArray(objValue)) {\n            newValue = objValue;\n          }\n          else if (isArrayLikeObject(objValue)) {\n            newValue = copyArray(objValue);\n          }\n          else if (isBuff) {\n            isCommon = false;\n            newValue = cloneBuffer(srcValue, true);\n          }\n          else if (isTyped) {\n            isCommon = false;\n            newValue = cloneTypedArray(srcValue, true);\n          }\n          else {\n            newValue = [];\n          }\n        }\n        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n          newValue = objValue;\n          if (isArguments(objValue)) {\n            newValue = toPlainObject(objValue);\n          }\n          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n            newValue = initCloneObject(srcValue);\n          }\n        }\n        else {\n          isCommon = false;\n        }\n      }\n      if (isCommon) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, newValue);\n        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n        stack['delete'](srcValue);\n      }\n      assignMergeValue(object, key, newValue);\n    }\n\n    /**\n     * The base implementation of `_.nth` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {number} n The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     */\n    function baseNth(array, n) {\n      var length = array.length;\n      if (!length) {\n        return;\n      }\n      n += n < 0 ? length : 0;\n      return isIndex(n, length) ? array[n] : undefined;\n    }\n\n    /**\n     * The base implementation of `_.orderBy` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n     * @param {string[]} orders The sort orders of `iteratees`.\n     * @returns {Array} Returns the new sorted array.\n     */\n    function baseOrderBy(collection, iteratees, orders) {\n      var index = -1;\n      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\n      var result = baseMap(collection, function(value, key, collection) {\n        var criteria = arrayMap(iteratees, function(iteratee) {\n          return iteratee(value);\n        });\n        return { 'criteria': criteria, 'index': ++index, 'value': value };\n      });\n\n      return baseSortBy(result, function(object, other) {\n        return compareMultiple(object, other, orders);\n      });\n    }\n\n    /**\n     * The base implementation of `_.pick` without support for individual\n     * property identifiers.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Object} Returns the new object.\n     */\n    function basePick(object, paths) {\n      return basePickBy(object, paths, function(value, path) {\n        return hasIn(object, path);\n      });\n    }\n\n    /**\n     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @param {Function} predicate The function invoked per property.\n     * @returns {Object} Returns the new object.\n     */\n    function basePickBy(object, paths, predicate) {\n      var index = -1,\n          length = paths.length,\n          result = {};\n\n      while (++index < length) {\n        var path = paths[index],\n            value = baseGet(object, path);\n\n        if (predicate(value, path)) {\n          baseSet(result, castPath(path, object), value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseProperty` which supports deep paths.\n     *\n     * @private\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     */\n    function basePropertyDeep(path) {\n      return function(object) {\n        return baseGet(object, path);\n      };\n    }\n\n    /**\n     * The base implementation of `_.pullAllBy` without support for iteratee\n     * shorthands.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAll(array, values, iteratee, comparator) {\n      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n          index = -1,\n          length = values.length,\n          seen = array;\n\n      if (array === values) {\n        values = copyArray(values);\n      }\n      if (iteratee) {\n        seen = arrayMap(array, baseUnary(iteratee));\n      }\n      while (++index < length) {\n        var fromIndex = 0,\n            value = values[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n          if (seen !== array) {\n            splice.call(seen, fromIndex, 1);\n          }\n          splice.call(array, fromIndex, 1);\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.pullAt` without support for individual\n     * indexes or capturing the removed elements.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {number[]} indexes The indexes of elements to remove.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAt(array, indexes) {\n      var length = array ? indexes.length : 0,\n          lastIndex = length - 1;\n\n      while (length--) {\n        var index = indexes[length];\n        if (length == lastIndex || index !== previous) {\n          var previous = index;\n          if (isIndex(index)) {\n            splice.call(array, index, 1);\n          } else {\n            baseUnset(array, index);\n          }\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.random` without support for returning\n     * floating-point numbers.\n     *\n     * @private\n     * @param {number} lower The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the random number.\n     */\n    function baseRandom(lower, upper) {\n      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n    }\n\n    /**\n     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n     * coerce arguments.\n     *\n     * @private\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} step The value to increment or decrement by.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the range of numbers.\n     */\n    function baseRange(start, end, step, fromRight) {\n      var index = -1,\n          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n          result = Array(length);\n\n      while (length--) {\n        result[fromRight ? length : ++index] = start;\n        start += step;\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.repeat` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {string} string The string to repeat.\n     * @param {number} n The number of times to repeat the string.\n     * @returns {string} Returns the repeated string.\n     */\n    function baseRepeat(string, n) {\n      var result = '';\n      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n        return result;\n      }\n      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n      do {\n        if (n % 2) {\n          result += string;\n        }\n        n = nativeFloor(n / 2);\n        if (n) {\n          string += string;\n        }\n      } while (n);\n\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     */\n    function baseRest(func, start) {\n      return setToString(overRest(func, start, identity), func + '');\n    }\n\n    /**\n     * The base implementation of `_.sample`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     */\n    function baseSample(collection) {\n      return arraySample(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.sampleSize` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function baseSampleSize(collection, n) {\n      var array = values(collection);\n      return shuffleSelf(array, baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * The base implementation of `_.set`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseSet(object, path, value, customizer) {\n      if (!isObject(object)) {\n        return object;\n      }\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          lastIndex = length - 1,\n          nested = object;\n\n      while (nested != null && ++index < length) {\n        var key = toKey(path[index]),\n            newValue = value;\n\n        if (index != lastIndex) {\n          var objValue = nested[key];\n          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n          if (newValue === undefined) {\n            newValue = isObject(objValue)\n              ? objValue\n              : (isIndex(path[index + 1]) ? [] : {});\n          }\n        }\n        assignValue(nested, key, newValue);\n        nested = nested[key];\n      }\n      return object;\n    }\n\n    /**\n     * The base implementation of `setData` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetData = !metaMap ? identity : function(func, data) {\n      metaMap.set(func, data);\n      return func;\n    };\n\n    /**\n     * The base implementation of `setToString` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetToString = !defineProperty ? identity : function(func, string) {\n      return defineProperty(func, 'toString', {\n        'configurable': true,\n        'enumerable': false,\n        'value': constant(string),\n        'writable': true\n      });\n    };\n\n    /**\n     * The base implementation of `_.shuffle`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function baseShuffle(collection) {\n      return shuffleSelf(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.slice` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseSlice(array, start, end) {\n      var index = -1,\n          length = array.length;\n\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = end > length ? length : end;\n      if (end < 0) {\n        end += length;\n      }\n      length = start > end ? 0 : ((end - start) >>> 0);\n      start >>>= 0;\n\n      var result = Array(length);\n      while (++index < length) {\n        result[index] = array[index + start];\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.some` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     */\n    function baseSome(collection, predicate) {\n      var result;\n\n      baseEach(collection, function(value, index, collection) {\n        result = predicate(value, index, collection);\n        return !result;\n      });\n      return !!result;\n    }\n\n    /**\n     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n     * performs a binary search of `array` to determine the index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndex(array, value, retHighest) {\n      var low = 0,\n          high = array == null ? low : array.length;\n\n      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n        while (low < high) {\n          var mid = (low + high) >>> 1,\n              computed = array[mid];\n\n          if (computed !== null && !isSymbol(computed) &&\n              (retHighest ? (computed <= value) : (computed < value))) {\n            low = mid + 1;\n          } else {\n            high = mid;\n          }\n        }\n        return high;\n      }\n      return baseSortedIndexBy(array, value, identity, retHighest);\n    }\n\n    /**\n     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n     * which invokes `iteratee` for `value` and each element of `array` to compute\n     * their sort ranking. The iteratee is invoked with one argument; (value).\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} iteratee The iteratee invoked per element.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n      value = iteratee(value);\n\n      var low = 0,\n          high = array == null ? 0 : array.length,\n          valIsNaN = value !== value,\n          valIsNull = value === null,\n          valIsSymbol = isSymbol(value),\n          valIsUndefined = value === undefined;\n\n      while (low < high) {\n        var mid = nativeFloor((low + high) / 2),\n            computed = iteratee(array[mid]),\n            othIsDefined = computed !== undefined,\n            othIsNull = computed === null,\n            othIsReflexive = computed === computed,\n            othIsSymbol = isSymbol(computed);\n\n        if (valIsNaN) {\n          var setLow = retHighest || othIsReflexive;\n        } else if (valIsUndefined) {\n          setLow = othIsReflexive && (retHighest || othIsDefined);\n        } else if (valIsNull) {\n          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n        } else if (valIsSymbol) {\n          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n        } else if (othIsNull || othIsSymbol) {\n          setLow = false;\n        } else {\n          setLow = retHighest ? (computed <= value) : (computed < value);\n        }\n        if (setLow) {\n          low = mid + 1;\n        } else {\n          high = mid;\n        }\n      }\n      return nativeMin(high, MAX_ARRAY_INDEX);\n    }\n\n    /**\n     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n     * support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseSortedUniq(array, iteratee) {\n      var index = -1,\n          length = array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        if (!index || !eq(computed, seen)) {\n          var seen = computed;\n          result[resIndex++] = value === 0 ? 0 : value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.toNumber` which doesn't ensure correct\n     * conversions of binary, hexadecimal, or octal string values.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     */\n    function baseToNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      return +value;\n    }\n\n    /**\n     * The base implementation of `_.toString` which doesn't convert nullish\n     * values to empty strings.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {string} Returns the string.\n     */\n    function baseToString(value) {\n      // Exit early for strings to avoid a performance hit in some environments.\n      if (typeof value == 'string') {\n        return value;\n      }\n      if (isArray(value)) {\n        // Recursively convert values (susceptible to call stack limits).\n        return arrayMap(value, baseToString) + '';\n      }\n      if (isSymbol(value)) {\n        return symbolToString ? symbolToString.call(value) : '';\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseUniq(array, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          length = array.length,\n          isCommon = true,\n          result = [],\n          seen = result;\n\n      if (comparator) {\n        isCommon = false;\n        includes = arrayIncludesWith;\n      }\n      else if (length >= LARGE_ARRAY_SIZE) {\n        var set = iteratee ? null : createSet(array);\n        if (set) {\n          return setToArray(set);\n        }\n        isCommon = false;\n        includes = cacheHas;\n        seen = new SetCache;\n      }\n      else {\n        seen = iteratee ? [] : result;\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var seenIndex = seen.length;\n          while (seenIndex--) {\n            if (seen[seenIndex] === computed) {\n              continue outer;\n            }\n          }\n          if (iteratee) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n        else if (!includes(seen, computed, comparator)) {\n          if (seen !== result) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.unset`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The property path to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     */\n    function baseUnset(object, path) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      return object == null || delete object[toKey(last(path))];\n    }\n\n    /**\n     * The base implementation of `_.update`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to update.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseUpdate(object, path, updater, customizer) {\n      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n    }\n\n    /**\n     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n     * without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {Function} predicate The function invoked per iteration.\n     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseWhile(array, predicate, isDrop, fromRight) {\n      var length = array.length,\n          index = fromRight ? length : -1;\n\n      while ((fromRight ? index-- : ++index < length) &&\n        predicate(array[index], index, array)) {}\n\n      return isDrop\n        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n    }\n\n    /**\n     * The base implementation of `wrapperValue` which returns the result of\n     * performing a sequence of actions on the unwrapped `value`, where each\n     * successive action is supplied the return value of the previous.\n     *\n     * @private\n     * @param {*} value The unwrapped value.\n     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseWrapperValue(value, actions) {\n      var result = value;\n      if (result instanceof LazyWrapper) {\n        result = result.value();\n      }\n      return arrayReduce(actions, function(result, action) {\n        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n      }, result);\n    }\n\n    /**\n     * The base implementation of methods like `_.xor`, without support for\n     * iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of values.\n     */\n    function baseXor(arrays, iteratee, comparator) {\n      var length = arrays.length;\n      if (length < 2) {\n        return length ? baseUniq(arrays[0]) : [];\n      }\n      var index = -1,\n          result = Array(length);\n\n      while (++index < length) {\n        var array = arrays[index],\n            othIndex = -1;\n\n        while (++othIndex < length) {\n          if (othIndex != index) {\n            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n          }\n        }\n      }\n      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n    }\n\n    /**\n     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n     *\n     * @private\n     * @param {Array} props The property identifiers.\n     * @param {Array} values The property values.\n     * @param {Function} assignFunc The function to assign values.\n     * @returns {Object} Returns the new object.\n     */\n    function baseZipObject(props, values, assignFunc) {\n      var index = -1,\n          length = props.length,\n          valsLength = values.length,\n          result = {};\n\n      while (++index < length) {\n        var value = index < valsLength ? values[index] : undefined;\n        assignFunc(result, props[index], value);\n      }\n      return result;\n    }\n\n    /**\n     * Casts `value` to an empty array if it's not an array like object.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Array|Object} Returns the cast array-like object.\n     */\n    function castArrayLikeObject(value) {\n      return isArrayLikeObject(value) ? value : [];\n    }\n\n    /**\n     * Casts `value` to `identity` if it's not a function.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Function} Returns cast function.\n     */\n    function castFunction(value) {\n      return typeof value == 'function' ? value : identity;\n    }\n\n    /**\n     * Casts `value` to a path array if it's not one.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {Array} Returns the cast property path array.\n     */\n    function castPath(value, object) {\n      if (isArray(value)) {\n        return value;\n      }\n      return isKey(value, object) ? [value] : stringToPath(toString(value));\n    }\n\n    /**\n     * A `baseRest` alias which can be replaced with `identity` by module\n     * replacement plugins.\n     *\n     * @private\n     * @type {Function}\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    var castRest = baseRest;\n\n    /**\n     * Casts `array` to a slice if it's needed.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {number} start The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the cast slice.\n     */\n    function castSlice(array, start, end) {\n      var length = array.length;\n      end = end === undefined ? length : end;\n      return (!start && end >= length) ? array : baseSlice(array, start, end);\n    }\n\n    /**\n     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n     *\n     * @private\n     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n     */\n    var clearTimeout = ctxClearTimeout || function(id) {\n      return root.clearTimeout(id);\n    };\n\n    /**\n     * Creates a clone of  `buffer`.\n     *\n     * @private\n     * @param {Buffer} buffer The buffer to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Buffer} Returns the cloned buffer.\n     */\n    function cloneBuffer(buffer, isDeep) {\n      if (isDeep) {\n        return buffer.slice();\n      }\n      var length = buffer.length,\n          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n      buffer.copy(result);\n      return result;\n    }\n\n    /**\n     * Creates a clone of `arrayBuffer`.\n     *\n     * @private\n     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n     * @returns {ArrayBuffer} Returns the cloned array buffer.\n     */\n    function cloneArrayBuffer(arrayBuffer) {\n      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n      return result;\n    }\n\n    /**\n     * Creates a clone of `dataView`.\n     *\n     * @private\n     * @param {Object} dataView The data view to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned data view.\n     */\n    function cloneDataView(dataView, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n    }\n\n    /**\n     * Creates a clone of `map`.\n     *\n     * @private\n     * @param {Object} map The map to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned map.\n     */\n    function cloneMap(map, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n      return arrayReduce(array, addMapEntry, new map.constructor);\n    }\n\n    /**\n     * Creates a clone of `regexp`.\n     *\n     * @private\n     * @param {Object} regexp The regexp to clone.\n     * @returns {Object} Returns the cloned regexp.\n     */\n    function cloneRegExp(regexp) {\n      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n      result.lastIndex = regexp.lastIndex;\n      return result;\n    }\n\n    /**\n     * Creates a clone of `set`.\n     *\n     * @private\n     * @param {Object} set The set to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned set.\n     */\n    function cloneSet(set, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n      return arrayReduce(array, addSetEntry, new set.constructor);\n    }\n\n    /**\n     * Creates a clone of the `symbol` object.\n     *\n     * @private\n     * @param {Object} symbol The symbol object to clone.\n     * @returns {Object} Returns the cloned symbol object.\n     */\n    function cloneSymbol(symbol) {\n      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n    }\n\n    /**\n     * Creates a clone of `typedArray`.\n     *\n     * @private\n     * @param {Object} typedArray The typed array to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned typed array.\n     */\n    function cloneTypedArray(typedArray, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n    }\n\n    /**\n     * Compares values to sort them in ascending order.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {number} Returns the sort order indicator for `value`.\n     */\n    function compareAscending(value, other) {\n      if (value !== other) {\n        var valIsDefined = value !== undefined,\n            valIsNull = value === null,\n            valIsReflexive = value === value,\n            valIsSymbol = isSymbol(value);\n\n        var othIsDefined = other !== undefined,\n            othIsNull = other === null,\n            othIsReflexive = other === other,\n            othIsSymbol = isSymbol(other);\n\n        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n            (valIsNull && othIsDefined && othIsReflexive) ||\n            (!valIsDefined && othIsReflexive) ||\n            !valIsReflexive) {\n          return 1;\n        }\n        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n            (othIsNull && valIsDefined && valIsReflexive) ||\n            (!othIsDefined && valIsReflexive) ||\n            !othIsReflexive) {\n          return -1;\n        }\n      }\n      return 0;\n    }\n\n    /**\n     * Used by `_.orderBy` to compare multiple properties of a value to another\n     * and stable sort them.\n     *\n     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n     * of corresponding values.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {boolean[]|string[]} orders The order to sort by for each property.\n     * @returns {number} Returns the sort order indicator for `object`.\n     */\n    function compareMultiple(object, other, orders) {\n      var index = -1,\n          objCriteria = object.criteria,\n          othCriteria = other.criteria,\n          length = objCriteria.length,\n          ordersLength = orders.length;\n\n      while (++index < length) {\n        var result = compareAscending(objCriteria[index], othCriteria[index]);\n        if (result) {\n          if (index >= ordersLength) {\n            return result;\n          }\n          var order = orders[index];\n          return result * (order == 'desc' ? -1 : 1);\n        }\n      }\n      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n      // that causes it, under certain circumstances, to provide the same value for\n      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n      // for more details.\n      //\n      // This also ensures a stable sort in V8 and other engines.\n      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n      return object.index - other.index;\n    }\n\n    /**\n     * Creates an array that is the composition of partially applied arguments,\n     * placeholders, and provided arguments into a single array of arguments.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to prepend to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgs(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersLength = holders.length,\n          leftIndex = -1,\n          leftLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(leftLength + rangeLength),\n          isUncurried = !isCurried;\n\n      while (++leftIndex < leftLength) {\n        result[leftIndex] = partials[leftIndex];\n      }\n      while (++argsIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[holders[argsIndex]] = args[argsIndex];\n        }\n      }\n      while (rangeLength--) {\n        result[leftIndex++] = args[argsIndex++];\n      }\n      return result;\n    }\n\n    /**\n     * This function is like `composeArgs` except that the arguments composition\n     * is tailored for `_.partialRight`.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to append to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgsRight(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersIndex = -1,\n          holdersLength = holders.length,\n          rightIndex = -1,\n          rightLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(rangeLength + rightLength),\n          isUncurried = !isCurried;\n\n      while (++argsIndex < rangeLength) {\n        result[argsIndex] = args[argsIndex];\n      }\n      var offset = argsIndex;\n      while (++rightIndex < rightLength) {\n        result[offset + rightIndex] = partials[rightIndex];\n      }\n      while (++holdersIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[offset + holders[holdersIndex]] = args[argsIndex++];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Copies the values of `source` to `array`.\n     *\n     * @private\n     * @param {Array} source The array to copy values from.\n     * @param {Array} [array=[]] The array to copy values to.\n     * @returns {Array} Returns `array`.\n     */\n    function copyArray(source, array) {\n      var index = -1,\n          length = source.length;\n\n      array || (array = Array(length));\n      while (++index < length) {\n        array[index] = source[index];\n      }\n      return array;\n    }\n\n    /**\n     * Copies properties of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy properties from.\n     * @param {Array} props The property identifiers to copy.\n     * @param {Object} [object={}] The object to copy properties to.\n     * @param {Function} [customizer] The function to customize copied values.\n     * @returns {Object} Returns `object`.\n     */\n    function copyObject(source, props, object, customizer) {\n      var isNew = !object;\n      object || (object = {});\n\n      var index = -1,\n          length = props.length;\n\n      while (++index < length) {\n        var key = props[index];\n\n        var newValue = customizer\n          ? customizer(object[key], source[key], key, object, source)\n          : undefined;\n\n        if (newValue === undefined) {\n          newValue = source[key];\n        }\n        if (isNew) {\n          baseAssignValue(object, key, newValue);\n        } else {\n          assignValue(object, key, newValue);\n        }\n      }\n      return object;\n    }\n\n    /**\n     * Copies own symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbols(source, object) {\n      return copyObject(source, getSymbols(source), object);\n    }\n\n    /**\n     * Copies own and inherited symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbolsIn(source, object) {\n      return copyObject(source, getSymbolsIn(source), object);\n    }\n\n    /**\n     * Creates a function like `_.groupBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} [initializer] The accumulator object initializer.\n     * @returns {Function} Returns the new aggregator function.\n     */\n    function createAggregator(setter, initializer) {\n      return function(collection, iteratee) {\n        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n            accumulator = initializer ? initializer() : {};\n\n        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n      };\n    }\n\n    /**\n     * Creates a function like `_.assign`.\n     *\n     * @private\n     * @param {Function} assigner The function to assign values.\n     * @returns {Function} Returns the new assigner function.\n     */\n    function createAssigner(assigner) {\n      return baseRest(function(object, sources) {\n        var index = -1,\n            length = sources.length,\n            customizer = length > 1 ? sources[length - 1] : undefined,\n            guard = length > 2 ? sources[2] : undefined;\n\n        customizer = (assigner.length > 3 && typeof customizer == 'function')\n          ? (length--, customizer)\n          : undefined;\n\n        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n          customizer = length < 3 ? undefined : customizer;\n          length = 1;\n        }\n        object = Object(object);\n        while (++index < length) {\n          var source = sources[index];\n          if (source) {\n            assigner(object, source, index, customizer);\n          }\n        }\n        return object;\n      });\n    }\n\n    /**\n     * Creates a `baseEach` or `baseEachRight` function.\n     *\n     * @private\n     * @param {Function} eachFunc The function to iterate over a collection.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseEach(eachFunc, fromRight) {\n      return function(collection, iteratee) {\n        if (collection == null) {\n          return collection;\n        }\n        if (!isArrayLike(collection)) {\n          return eachFunc(collection, iteratee);\n        }\n        var length = collection.length,\n            index = fromRight ? length : -1,\n            iterable = Object(collection);\n\n        while ((fromRight ? index-- : ++index < length)) {\n          if (iteratee(iterable[index], index, iterable) === false) {\n            break;\n          }\n        }\n        return collection;\n      };\n    }\n\n    /**\n     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseFor(fromRight) {\n      return function(object, iteratee, keysFunc) {\n        var index = -1,\n            iterable = Object(object),\n            props = keysFunc(object),\n            length = props.length;\n\n        while (length--) {\n          var key = props[fromRight ? length : ++index];\n          if (iteratee(iterable[key], key, iterable) === false) {\n            break;\n          }\n        }\n        return object;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the optional `this`\n     * binding of `thisArg`.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createBind(func, bitmask, thisArg) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return fn.apply(isBind ? thisArg : this, arguments);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.lowerFirst`.\n     *\n     * @private\n     * @param {string} methodName The name of the `String` case method to use.\n     * @returns {Function} Returns the new case function.\n     */\n    function createCaseFirst(methodName) {\n      return function(string) {\n        string = toString(string);\n\n        var strSymbols = hasUnicode(string)\n          ? stringToArray(string)\n          : undefined;\n\n        var chr = strSymbols\n          ? strSymbols[0]\n          : string.charAt(0);\n\n        var trailing = strSymbols\n          ? castSlice(strSymbols, 1).join('')\n          : string.slice(1);\n\n        return chr[methodName]() + trailing;\n      };\n    }\n\n    /**\n     * Creates a function like `_.camelCase`.\n     *\n     * @private\n     * @param {Function} callback The function to combine each word.\n     * @returns {Function} Returns the new compounder function.\n     */\n    function createCompounder(callback) {\n      return function(string) {\n        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n      };\n    }\n\n    /**\n     * Creates a function that produces an instance of `Ctor` regardless of\n     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n     *\n     * @private\n     * @param {Function} Ctor The constructor to wrap.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCtor(Ctor) {\n      return function() {\n        // Use a `switch` statement to work with class constructors. See\n        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n        // for more details.\n        var args = arguments;\n        switch (args.length) {\n          case 0: return new Ctor;\n          case 1: return new Ctor(args[0]);\n          case 2: return new Ctor(args[0], args[1]);\n          case 3: return new Ctor(args[0], args[1], args[2]);\n          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n        }\n        var thisBinding = baseCreate(Ctor.prototype),\n            result = Ctor.apply(thisBinding, args);\n\n        // Mimic the constructor's `return` behavior.\n        // See https://es5.github.io/#x13.2.2 for more details.\n        return isObject(result) ? result : thisBinding;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to enable currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {number} arity The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCurry(func, bitmask, arity) {\n      var Ctor = createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length,\n            placeholder = getHolder(wrapper);\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n          ? []\n          : replaceHolders(args, placeholder);\n\n        length -= holders.length;\n        if (length < arity) {\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n            args, holders, undefined, undefined, arity - length);\n        }\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return apply(fn, this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.find` or `_.findLast` function.\n     *\n     * @private\n     * @param {Function} findIndexFunc The function to find the collection index.\n     * @returns {Function} Returns the new find function.\n     */\n    function createFind(findIndexFunc) {\n      return function(collection, predicate, fromIndex) {\n        var iterable = Object(collection);\n        if (!isArrayLike(collection)) {\n          var iteratee = getIteratee(predicate, 3);\n          collection = keys(collection);\n          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n        }\n        var index = findIndexFunc(collection, predicate, fromIndex);\n        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n      };\n    }\n\n    /**\n     * Creates a `_.flow` or `_.flowRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new flow function.\n     */\n    function createFlow(fromRight) {\n      return flatRest(function(funcs) {\n        var length = funcs.length,\n            index = length,\n            prereq = LodashWrapper.prototype.thru;\n\n        if (fromRight) {\n          funcs.reverse();\n        }\n        while (index--) {\n          var func = funcs[index];\n          if (typeof func != 'function') {\n            throw new TypeError(FUNC_ERROR_TEXT);\n          }\n          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n            var wrapper = new LodashWrapper([], true);\n          }\n        }\n        index = wrapper ? index : length;\n        while (++index < length) {\n          func = funcs[index];\n\n          var funcName = getFuncName(func),\n              data = funcName == 'wrapper' ? getData(func) : undefined;\n\n          if (data && isLaziable(data[0]) &&\n                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n                !data[4].length && data[9] == 1\n              ) {\n            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n          } else {\n            wrapper = (func.length == 1 && isLaziable(func))\n              ? wrapper[funcName]()\n              : wrapper.thru(func);\n          }\n        }\n        return function() {\n          var args = arguments,\n              value = args[0];\n\n          if (wrapper && args.length == 1 && isArray(value)) {\n            return wrapper.plant(value).value();\n          }\n          var index = 0,\n              result = length ? funcs[index].apply(this, args) : value;\n\n          while (++index < length) {\n            result = funcs[index].call(this, result);\n          }\n          return result;\n        };\n      });\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with optional `this`\n     * binding of `thisArg`, partial application, and currying.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [partialsRight] The arguments to append to those provided\n     *  to the new function.\n     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n      var isAry = bitmask & WRAP_ARY_FLAG,\n          isBind = bitmask & WRAP_BIND_FLAG,\n          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n          isFlip = bitmask & WRAP_FLIP_FLAG,\n          Ctor = isBindKey ? undefined : createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length;\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        if (isCurried) {\n          var placeholder = getHolder(wrapper),\n              holdersCount = countHolders(args, placeholder);\n        }\n        if (partials) {\n          args = composeArgs(args, partials, holders, isCurried);\n        }\n        if (partialsRight) {\n          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n        }\n        length -= holdersCount;\n        if (isCurried && length < arity) {\n          var newHolders = replaceHolders(args, placeholder);\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n            args, newHolders, argPos, ary, arity - length\n          );\n        }\n        var thisBinding = isBind ? thisArg : this,\n            fn = isBindKey ? thisBinding[func] : func;\n\n        length = args.length;\n        if (argPos) {\n          args = reorder(args, argPos);\n        } else if (isFlip && length > 1) {\n          args.reverse();\n        }\n        if (isAry && ary < length) {\n          args.length = ary;\n        }\n        if (this && this !== root && this instanceof wrapper) {\n          fn = Ctor || createCtor(fn);\n        }\n        return fn.apply(thisBinding, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.invertBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} toIteratee The function to resolve iteratees.\n     * @returns {Function} Returns the new inverter function.\n     */\n    function createInverter(setter, toIteratee) {\n      return function(object, iteratee) {\n        return baseInverter(object, setter, toIteratee(iteratee), {});\n      };\n    }\n\n    /**\n     * Creates a function that performs a mathematical operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @param {number} [defaultValue] The value used for `undefined` arguments.\n     * @returns {Function} Returns the new mathematical operation function.\n     */\n    function createMathOperation(operator, defaultValue) {\n      return function(value, other) {\n        var result;\n        if (value === undefined && other === undefined) {\n          return defaultValue;\n        }\n        if (value !== undefined) {\n          result = value;\n        }\n        if (other !== undefined) {\n          if (result === undefined) {\n            return other;\n          }\n          if (typeof value == 'string' || typeof other == 'string') {\n            value = baseToString(value);\n            other = baseToString(other);\n          } else {\n            value = baseToNumber(value);\n            other = baseToNumber(other);\n          }\n          result = operator(value, other);\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function like `_.over`.\n     *\n     * @private\n     * @param {Function} arrayFunc The function to iterate over iteratees.\n     * @returns {Function} Returns the new over function.\n     */\n    function createOver(arrayFunc) {\n      return flatRest(function(iteratees) {\n        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n        return baseRest(function(args) {\n          var thisArg = this;\n          return arrayFunc(iteratees, function(iteratee) {\n            return apply(iteratee, thisArg, args);\n          });\n        });\n      });\n    }\n\n    /**\n     * Creates the padding for `string` based on `length`. The `chars` string\n     * is truncated if the number of characters exceeds `length`.\n     *\n     * @private\n     * @param {number} length The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padding for `string`.\n     */\n    function createPadding(length, chars) {\n      chars = chars === undefined ? ' ' : baseToString(chars);\n\n      var charsLength = chars.length;\n      if (charsLength < 2) {\n        return charsLength ? baseRepeat(chars, length) : chars;\n      }\n      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n      return hasUnicode(chars)\n        ? castSlice(stringToArray(result), 0, length).join('')\n        : result.slice(0, length);\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the `this` binding\n     * of `thisArg` and `partials` prepended to the arguments it receives.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {Array} partials The arguments to prepend to those provided to\n     *  the new function.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createPartial(func, bitmask, thisArg, partials) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var argsIndex = -1,\n            argsLength = arguments.length,\n            leftIndex = -1,\n            leftLength = partials.length,\n            args = Array(leftLength + argsLength),\n            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n        while (++leftIndex < leftLength) {\n          args[leftIndex] = partials[leftIndex];\n        }\n        while (argsLength--) {\n          args[leftIndex++] = arguments[++argsIndex];\n        }\n        return apply(fn, isBind ? thisArg : this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.range` or `_.rangeRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new range function.\n     */\n    function createRange(fromRight) {\n      return function(start, end, step) {\n        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n          end = step = undefined;\n        }\n        // Ensure the sign of `-0` is preserved.\n        start = toFinite(start);\n        if (end === undefined) {\n          end = start;\n          start = 0;\n        } else {\n          end = toFinite(end);\n        }\n        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n        return baseRange(start, end, step, fromRight);\n      };\n    }\n\n    /**\n     * Creates a function that performs a relational operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @returns {Function} Returns the new relational operation function.\n     */\n    function createRelationalOperation(operator) {\n      return function(value, other) {\n        if (!(typeof value == 'string' && typeof other == 'string')) {\n          value = toNumber(value);\n          other = toNumber(other);\n        }\n        return operator(value, other);\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to continue currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {Function} wrapFunc The function to create the `func` wrapper.\n     * @param {*} placeholder The placeholder value.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n      var isCurry = bitmask & WRAP_CURRY_FLAG,\n          newHolders = isCurry ? holders : undefined,\n          newHoldersRight = isCurry ? undefined : holders,\n          newPartials = isCurry ? partials : undefined,\n          newPartialsRight = isCurry ? undefined : partials;\n\n      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n      }\n      var newData = [\n        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n        newHoldersRight, argPos, ary, arity\n      ];\n\n      var result = wrapFunc.apply(undefined, newData);\n      if (isLaziable(func)) {\n        setData(result, newData);\n      }\n      result.placeholder = placeholder;\n      return setWrapToString(result, func, bitmask);\n    }\n\n    /**\n     * Creates a function like `_.round`.\n     *\n     * @private\n     * @param {string} methodName The name of the `Math` method to use when rounding.\n     * @returns {Function} Returns the new round function.\n     */\n    function createRound(methodName) {\n      var func = Math[methodName];\n      return function(number, precision) {\n        number = toNumber(number);\n        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n        if (precision) {\n          // Shift with exponential notation to avoid floating-point issues.\n          // See [MDN](https://mdn.io/round#Examples) for more details.\n          var pair = (toString(number) + 'e').split('e'),\n              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n          pair = (toString(value) + 'e').split('e');\n          return +(pair[0] + 'e' + (+pair[1] - precision));\n        }\n        return func(number);\n      };\n    }\n\n    /**\n     * Creates a set object of `values`.\n     *\n     * @private\n     * @param {Array} values The values to add to the set.\n     * @returns {Object} Returns the new set.\n     */\n    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n      return new Set(values);\n    };\n\n    /**\n     * Creates a `_.toPairs` or `_.toPairsIn` function.\n     *\n     * @private\n     * @param {Function} keysFunc The function to get the keys of a given object.\n     * @returns {Function} Returns the new pairs function.\n     */\n    function createToPairs(keysFunc) {\n      return function(object) {\n        var tag = getTag(object);\n        if (tag == mapTag) {\n          return mapToArray(object);\n        }\n        if (tag == setTag) {\n          return setToPairs(object);\n        }\n        return baseToPairs(object, keysFunc(object));\n      };\n    }\n\n    /**\n     * Creates a function that either curries or invokes `func` with optional\n     * `this` binding and partially applied arguments.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags.\n     *    1 - `_.bind`\n     *    2 - `_.bindKey`\n     *    4 - `_.curry` or `_.curryRight` of a bound function\n     *    8 - `_.curry`\n     *   16 - `_.curryRight`\n     *   32 - `_.partial`\n     *   64 - `_.partialRight`\n     *  128 - `_.rearg`\n     *  256 - `_.ary`\n     *  512 - `_.flip`\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to be partially applied.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n      if (!isBindKey && typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var length = partials ? partials.length : 0;\n      if (!length) {\n        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n        partials = holders = undefined;\n      }\n      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n      arity = arity === undefined ? arity : toInteger(arity);\n      length -= holders ? holders.length : 0;\n\n      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n        var partialsRight = partials,\n            holdersRight = holders;\n\n        partials = holders = undefined;\n      }\n      var data = isBindKey ? undefined : getData(func);\n\n      var newData = [\n        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n        argPos, ary, arity\n      ];\n\n      if (data) {\n        mergeData(newData, data);\n      }\n      func = newData[0];\n      bitmask = newData[1];\n      thisArg = newData[2];\n      partials = newData[3];\n      holders = newData[4];\n      arity = newData[9] = newData[9] === undefined\n        ? (isBindKey ? 0 : func.length)\n        : nativeMax(newData[9] - length, 0);\n\n      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n      }\n      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n        var result = createBind(func, bitmask, thisArg);\n      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n        result = createCurry(func, bitmask, arity);\n      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n        result = createPartial(func, bitmask, thisArg, partials);\n      } else {\n        result = createHybrid.apply(undefined, newData);\n      }\n      var setter = data ? baseSetData : setData;\n      return setWrapToString(setter(result, newData), func, bitmask);\n    }\n\n    /**\n     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n     * of source objects to the destination object for all destination properties\n     * that resolve to `undefined`.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to assign.\n     * @param {Object} object The parent object of `objValue`.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n      if (objValue === undefined ||\n          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n        return srcValue;\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n     * objects into destination objects that are passed thru.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to merge.\n     * @param {Object} object The parent object of `objValue`.\n     * @param {Object} source The parent object of `srcValue`.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n      if (isObject(objValue) && isObject(srcValue)) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, objValue);\n        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n        stack['delete'](srcValue);\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n     * objects.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {string} key The key of the property to inspect.\n     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n     */\n    function customOmitClone(value) {\n      return isPlainObject(value) ? undefined : value;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for arrays with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Array} array The array to compare.\n     * @param {Array} other The other array to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `array` and `other` objects.\n     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n     */\n    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          arrLength = array.length,\n          othLength = other.length;\n\n      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n        return false;\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(array);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var index = -1,\n          result = true,\n          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n      stack.set(array, other);\n      stack.set(other, array);\n\n      // Ignore non-index properties.\n      while (++index < arrLength) {\n        var arrValue = array[index],\n            othValue = other[index];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, arrValue, index, other, array, stack)\n            : customizer(arrValue, othValue, index, array, other, stack);\n        }\n        if (compared !== undefined) {\n          if (compared) {\n            continue;\n          }\n          result = false;\n          break;\n        }\n        // Recursively compare arrays (susceptible to call stack limits).\n        if (seen) {\n          if (!arraySome(other, function(othValue, othIndex) {\n                if (!cacheHas(seen, othIndex) &&\n                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n                  return seen.push(othIndex);\n                }\n              })) {\n            result = false;\n            break;\n          }\n        } else if (!(\n              arrValue === othValue ||\n                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n            )) {\n          result = false;\n          break;\n        }\n      }\n      stack['delete'](array);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for comparing objects of\n     * the same `toStringTag`.\n     *\n     * **Note:** This function only supports comparing values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {string} tag The `toStringTag` of the objects to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n      switch (tag) {\n        case dataViewTag:\n          if ((object.byteLength != other.byteLength) ||\n              (object.byteOffset != other.byteOffset)) {\n            return false;\n          }\n          object = object.buffer;\n          other = other.buffer;\n\n        case arrayBufferTag:\n          if ((object.byteLength != other.byteLength) ||\n              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n            return false;\n          }\n          return true;\n\n        case boolTag:\n        case dateTag:\n        case numberTag:\n          // Coerce booleans to `1` or `0` and dates to milliseconds.\n          // Invalid dates are coerced to `NaN`.\n          return eq(+object, +other);\n\n        case errorTag:\n          return object.name == other.name && object.message == other.message;\n\n        case regexpTag:\n        case stringTag:\n          // Coerce regexes to strings and treat strings, primitives and objects,\n          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n          // for more details.\n          return object == (other + '');\n\n        case mapTag:\n          var convert = mapToArray;\n\n        case setTag:\n          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n          convert || (convert = setToArray);\n\n          if (object.size != other.size && !isPartial) {\n            return false;\n          }\n          // Assume cyclic values are equal.\n          var stacked = stack.get(object);\n          if (stacked) {\n            return stacked == other;\n          }\n          bitmask |= COMPARE_UNORDERED_FLAG;\n\n          // Recursively compare objects (susceptible to call stack limits).\n          stack.set(object, other);\n          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n          stack['delete'](object);\n          return result;\n\n        case symbolTag:\n          if (symbolValueOf) {\n            return symbolValueOf.call(object) == symbolValueOf.call(other);\n          }\n      }\n      return false;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for objects with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          objProps = getAllKeys(object),\n          objLength = objProps.length,\n          othProps = getAllKeys(other),\n          othLength = othProps.length;\n\n      if (objLength != othLength && !isPartial) {\n        return false;\n      }\n      var index = objLength;\n      while (index--) {\n        var key = objProps[index];\n        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n          return false;\n        }\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(object);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var result = true;\n      stack.set(object, other);\n      stack.set(other, object);\n\n      var skipCtor = isPartial;\n      while (++index < objLength) {\n        key = objProps[index];\n        var objValue = object[key],\n            othValue = other[key];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, objValue, key, other, object, stack)\n            : customizer(objValue, othValue, key, object, other, stack);\n        }\n        // Recursively compare objects (susceptible to call stack limits).\n        if (!(compared === undefined\n              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n              : compared\n            )) {\n          result = false;\n          break;\n        }\n        skipCtor || (skipCtor = key == 'constructor');\n      }\n      if (result && !skipCtor) {\n        var objCtor = object.constructor,\n            othCtor = other.constructor;\n\n        // Non `Object` object instances with different constructors are not equal.\n        if (objCtor != othCtor &&\n            ('constructor' in object && 'constructor' in other) &&\n            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n          result = false;\n        }\n      }\n      stack['delete'](object);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseRest` which flattens the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    function flatRest(func) {\n      return setToString(overRest(func, undefined, flatten), func + '');\n    }\n\n    /**\n     * Creates an array of own enumerable property names and symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeys(object) {\n      return baseGetAllKeys(object, keys, getSymbols);\n    }\n\n    /**\n     * Creates an array of own and inherited enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeysIn(object) {\n      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n    }\n\n    /**\n     * Gets metadata for `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {*} Returns the metadata for `func`.\n     */\n    var getData = !metaMap ? noop : function(func) {\n      return metaMap.get(func);\n    };\n\n    /**\n     * Gets the name of `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {string} Returns the function name.\n     */\n    function getFuncName(func) {\n      var result = (func.name + ''),\n          array = realNames[result],\n          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n      while (length--) {\n        var data = array[length],\n            otherFunc = data.func;\n        if (otherFunc == null || otherFunc == func) {\n          return data.name;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Gets the argument placeholder value for `func`.\n     *\n     * @private\n     * @param {Function} func The function to inspect.\n     * @returns {*} Returns the placeholder value.\n     */\n    function getHolder(func) {\n      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n      return object.placeholder;\n    }\n\n    /**\n     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n     * this function returns the custom method, otherwise it returns `baseIteratee`.\n     * If arguments are provided, the chosen function is invoked with them and\n     * its result is returned.\n     *\n     * @private\n     * @param {*} [value] The value to convert to an iteratee.\n     * @param {number} [arity] The arity of the created iteratee.\n     * @returns {Function} Returns the chosen function or its result.\n     */\n    function getIteratee() {\n      var result = lodash.iteratee || iteratee;\n      result = result === iteratee ? baseIteratee : result;\n      return arguments.length ? result(arguments[0], arguments[1]) : result;\n    }\n\n    /**\n     * Gets the data for `map`.\n     *\n     * @private\n     * @param {Object} map The map to query.\n     * @param {string} key The reference key.\n     * @returns {*} Returns the map data.\n     */\n    function getMapData(map, key) {\n      var data = map.__data__;\n      return isKeyable(key)\n        ? data[typeof key == 'string' ? 'string' : 'hash']\n        : data.map;\n    }\n\n    /**\n     * Gets the property names, values, and compare flags of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the match data of `object`.\n     */\n    function getMatchData(object) {\n      var result = keys(object),\n          length = result.length;\n\n      while (length--) {\n        var key = result[length],\n            value = object[key];\n\n        result[length] = [key, value, isStrictComparable(value)];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the native function at `key` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {string} key The key of the method to get.\n     * @returns {*} Returns the function if it's native, else `undefined`.\n     */\n    function getNative(object, key) {\n      var value = getValue(object, key);\n      return baseIsNative(value) ? value : undefined;\n    }\n\n    /**\n     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the raw `toStringTag`.\n     */\n    function getRawTag(value) {\n      var isOwn = hasOwnProperty.call(value, symToStringTag),\n          tag = value[symToStringTag];\n\n      try {\n        value[symToStringTag] = undefined;\n        var unmasked = true;\n      } catch (e) {}\n\n      var result = nativeObjectToString.call(value);\n      if (unmasked) {\n        if (isOwn) {\n          value[symToStringTag] = tag;\n        } else {\n          delete value[symToStringTag];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array of the own enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n      if (object == null) {\n        return [];\n      }\n      object = Object(object);\n      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n        return propertyIsEnumerable.call(object, symbol);\n      });\n    };\n\n    /**\n     * Creates an array of the own and inherited enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n      var result = [];\n      while (object) {\n        arrayPush(result, getSymbols(object));\n        object = getPrototype(object);\n      }\n      return result;\n    };\n\n    /**\n     * Gets the `toStringTag` of `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    var getTag = baseGetTag;\n\n    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n        (Map && getTag(new Map) != mapTag) ||\n        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n        (Set && getTag(new Set) != setTag) ||\n        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n      getTag = function(value) {\n        var result = baseGetTag(value),\n            Ctor = result == objectTag ? value.constructor : undefined,\n            ctorString = Ctor ? toSource(Ctor) : '';\n\n        if (ctorString) {\n          switch (ctorString) {\n            case dataViewCtorString: return dataViewTag;\n            case mapCtorString: return mapTag;\n            case promiseCtorString: return promiseTag;\n            case setCtorString: return setTag;\n            case weakMapCtorString: return weakMapTag;\n          }\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n     *\n     * @private\n     * @param {number} start The start of the view.\n     * @param {number} end The end of the view.\n     * @param {Array} transforms The transformations to apply to the view.\n     * @returns {Object} Returns an object containing the `start` and `end`\n     *  positions of the view.\n     */\n    function getView(start, end, transforms) {\n      var index = -1,\n          length = transforms.length;\n\n      while (++index < length) {\n        var data = transforms[index],\n            size = data.size;\n\n        switch (data.type) {\n          case 'drop':      start += size; break;\n          case 'dropRight': end -= size; break;\n          case 'take':      end = nativeMin(end, start + size); break;\n          case 'takeRight': start = nativeMax(start, end - size); break;\n        }\n      }\n      return { 'start': start, 'end': end };\n    }\n\n    /**\n     * Extracts wrapper details from the `source` body comment.\n     *\n     * @private\n     * @param {string} source The source to inspect.\n     * @returns {Array} Returns the wrapper details.\n     */\n    function getWrapDetails(source) {\n      var match = source.match(reWrapDetails);\n      return match ? match[1].split(reSplitDetails) : [];\n    }\n\n    /**\n     * Checks if `path` exists on `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @param {Function} hasFunc The function to check properties.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     */\n    function hasPath(object, path, hasFunc) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          result = false;\n\n      while (++index < length) {\n        var key = toKey(path[index]);\n        if (!(result = object != null && hasFunc(object, key))) {\n          break;\n        }\n        object = object[key];\n      }\n      if (result || ++index != length) {\n        return result;\n      }\n      length = object == null ? 0 : object.length;\n      return !!length && isLength(length) && isIndex(key, length) &&\n        (isArray(object) || isArguments(object));\n    }\n\n    /**\n     * Initializes an array clone.\n     *\n     * @private\n     * @param {Array} array The array to clone.\n     * @returns {Array} Returns the initialized clone.\n     */\n    function initCloneArray(array) {\n      var length = array.length,\n          result = array.constructor(length);\n\n      // Add properties assigned by `RegExp#exec`.\n      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n        result.index = array.index;\n        result.input = array.input;\n      }\n      return result;\n    }\n\n    /**\n     * Initializes an object clone.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneObject(object) {\n      return (typeof object.constructor == 'function' && !isPrototype(object))\n        ? baseCreate(getPrototype(object))\n        : {};\n    }\n\n    /**\n     * Initializes an object clone based on its `toStringTag`.\n     *\n     * **Note:** This function only supports cloning values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @param {string} tag The `toStringTag` of the object to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n      var Ctor = object.constructor;\n      switch (tag) {\n        case arrayBufferTag:\n          return cloneArrayBuffer(object);\n\n        case boolTag:\n        case dateTag:\n          return new Ctor(+object);\n\n        case dataViewTag:\n          return cloneDataView(object, isDeep);\n\n        case float32Tag: case float64Tag:\n        case int8Tag: case int16Tag: case int32Tag:\n        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n          return cloneTypedArray(object, isDeep);\n\n        case mapTag:\n          return cloneMap(object, isDeep, cloneFunc);\n\n        case numberTag:\n        case stringTag:\n          return new Ctor(object);\n\n        case regexpTag:\n          return cloneRegExp(object);\n\n        case setTag:\n          return cloneSet(object, isDeep, cloneFunc);\n\n        case symbolTag:\n          return cloneSymbol(object);\n      }\n    }\n\n    /**\n     * Inserts wrapper `details` in a comment at the top of the `source` body.\n     *\n     * @private\n     * @param {string} source The source to modify.\n     * @returns {Array} details The details to insert.\n     * @returns {string} Returns the modified source.\n     */\n    function insertWrapDetails(source, details) {\n      var length = details.length;\n      if (!length) {\n        return source;\n      }\n      var lastIndex = length - 1;\n      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n      details = details.join(length > 2 ? ', ' : ' ');\n      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n    }\n\n    /**\n     * Checks if `value` is a flattenable `arguments` object or array.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n     */\n    function isFlattenable(value) {\n      return isArray(value) || isArguments(value) ||\n        !!(spreadableSymbol && value && value[spreadableSymbol]);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like index.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n     */\n    function isIndex(value, length) {\n      length = length == null ? MAX_SAFE_INTEGER : length;\n      return !!length &&\n        (typeof value == 'number' || reIsUint.test(value)) &&\n        (value > -1 && value % 1 == 0 && value < length);\n    }\n\n    /**\n     * Checks if the given arguments are from an iteratee call.\n     *\n     * @private\n     * @param {*} value The potential iteratee value argument.\n     * @param {*} index The potential iteratee index or key argument.\n     * @param {*} object The potential iteratee object argument.\n     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n     *  else `false`.\n     */\n    function isIterateeCall(value, index, object) {\n      if (!isObject(object)) {\n        return false;\n      }\n      var type = typeof index;\n      if (type == 'number'\n            ? (isArrayLike(object) && isIndex(index, object.length))\n            : (type == 'string' && index in object)\n          ) {\n        return eq(object[index], value);\n      }\n      return false;\n    }\n\n    /**\n     * Checks if `value` is a property name and not a property path.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n     */\n    function isKey(value, object) {\n      if (isArray(value)) {\n        return false;\n      }\n      var type = typeof value;\n      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n          value == null || isSymbol(value)) {\n        return true;\n      }\n      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n        (object != null && value in Object(object));\n    }\n\n    /**\n     * Checks if `value` is suitable for use as unique object key.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n     */\n    function isKeyable(value) {\n      var type = typeof value;\n      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n        ? (value !== '__proto__')\n        : (value === null);\n    }\n\n    /**\n     * Checks if `func` has a lazy counterpart.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n     *  else `false`.\n     */\n    function isLaziable(func) {\n      var funcName = getFuncName(func),\n          other = lodash[funcName];\n\n      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n        return false;\n      }\n      if (func === other) {\n        return true;\n      }\n      var data = getData(other);\n      return !!data && func === data[0];\n    }\n\n    /**\n     * Checks if `func` has its source masked.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n     */\n    function isMasked(func) {\n      return !!maskSrcKey && (maskSrcKey in func);\n    }\n\n    /**\n     * Checks if `func` is capable of being masked.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n     */\n    var isMaskable = coreJsData ? isFunction : stubFalse;\n\n    /**\n     * Checks if `value` is likely a prototype object.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n     */\n    function isPrototype(value) {\n      var Ctor = value && value.constructor,\n          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n      return value === proto;\n    }\n\n    /**\n     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` if suitable for strict\n     *  equality comparisons, else `false`.\n     */\n    function isStrictComparable(value) {\n      return value === value && !isObject(value);\n    }\n\n    /**\n     * A specialized version of `matchesProperty` for source values suitable\n     * for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {string} key The key of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function matchesStrictComparable(key, srcValue) {\n      return function(object) {\n        if (object == null) {\n          return false;\n        }\n        return object[key] === srcValue &&\n          (srcValue !== undefined || (key in Object(object)));\n      };\n    }\n\n    /**\n     * A specialized version of `_.memoize` which clears the memoized function's\n     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n     *\n     * @private\n     * @param {Function} func The function to have its output memoized.\n     * @returns {Function} Returns the new memoized function.\n     */\n    function memoizeCapped(func) {\n      var result = memoize(func, function(key) {\n        if (cache.size === MAX_MEMOIZE_SIZE) {\n          cache.clear();\n        }\n        return key;\n      });\n\n      var cache = result.cache;\n      return result;\n    }\n\n    /**\n     * Merges the function metadata of `source` into `data`.\n     *\n     * Merging metadata reduces the number of wrappers used to invoke a function.\n     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n     * may be applied regardless of execution order. Methods like `_.ary` and\n     * `_.rearg` modify function arguments, making the order in which they are\n     * executed important, preventing the merging of metadata. However, we make\n     * an exception for a safe combined case where curried functions have `_.ary`\n     * and or `_.rearg` applied.\n     *\n     * @private\n     * @param {Array} data The destination metadata.\n     * @param {Array} source The source metadata.\n     * @returns {Array} Returns `data`.\n     */\n    function mergeData(data, source) {\n      var bitmask = data[1],\n          srcBitmask = source[1],\n          newBitmask = bitmask | srcBitmask,\n          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n      var isCombo =\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n      // Exit early if metadata can't be merged.\n      if (!(isCommon || isCombo)) {\n        return data;\n      }\n      // Use source `thisArg` if available.\n      if (srcBitmask & WRAP_BIND_FLAG) {\n        data[2] = source[2];\n        // Set when currying a bound function.\n        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n      }\n      // Compose partial arguments.\n      var value = source[3];\n      if (value) {\n        var partials = data[3];\n        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n      }\n      // Compose partial right arguments.\n      value = source[5];\n      if (value) {\n        partials = data[5];\n        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n      }\n      // Use source `argPos` if available.\n      value = source[7];\n      if (value) {\n        data[7] = value;\n      }\n      // Use source `ary` if it's smaller.\n      if (srcBitmask & WRAP_ARY_FLAG) {\n        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n      }\n      // Use source `arity` if one is not provided.\n      if (data[9] == null) {\n        data[9] = source[9];\n      }\n      // Use source `func` and merge bitmasks.\n      data[0] = source[0];\n      data[1] = newBitmask;\n\n      return data;\n    }\n\n    /**\n     * This function is like\n     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * except that it includes inherited enumerable properties.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function nativeKeysIn(object) {\n      var result = [];\n      if (object != null) {\n        for (var key in Object(object)) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a string using `Object.prototype.toString`.\n     *\n     * @private\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     */\n    function objectToString(value) {\n      return nativeObjectToString.call(value);\n    }\n\n    /**\n     * A specialized version of `baseRest` which transforms the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @param {Function} transform The rest array transform.\n     * @returns {Function} Returns the new function.\n     */\n    function overRest(func, start, transform) {\n      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n      return function() {\n        var args = arguments,\n            index = -1,\n            length = nativeMax(args.length - start, 0),\n            array = Array(length);\n\n        while (++index < length) {\n          array[index] = args[start + index];\n        }\n        index = -1;\n        var otherArgs = Array(start + 1);\n        while (++index < start) {\n          otherArgs[index] = args[index];\n        }\n        otherArgs[start] = transform(array);\n        return apply(func, this, otherArgs);\n      };\n    }\n\n    /**\n     * Gets the parent value at `path` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array} path The path to get the parent value of.\n     * @returns {*} Returns the parent value.\n     */\n    function parent(object, path) {\n      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n    }\n\n    /**\n     * Reorder `array` according to the specified indexes where the element at\n     * the first index is assigned as the first element, the element at\n     * the second index is assigned as the second element, and so on.\n     *\n     * @private\n     * @param {Array} array The array to reorder.\n     * @param {Array} indexes The arranged array indexes.\n     * @returns {Array} Returns `array`.\n     */\n    function reorder(array, indexes) {\n      var arrLength = array.length,\n          length = nativeMin(indexes.length, arrLength),\n          oldArray = copyArray(array);\n\n      while (length--) {\n        var index = indexes[length];\n        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n      }\n      return array;\n    }\n\n    /**\n     * Sets metadata for `func`.\n     *\n     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n     * period of time, it will trip its breaker and transition to an identity\n     * function to avoid garbage collection pauses in V8. See\n     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n     * for more details.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var setData = shortOut(baseSetData);\n\n    /**\n     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    var setTimeout = ctxSetTimeout || function(func, wait) {\n      return root.setTimeout(func, wait);\n    };\n\n    /**\n     * Sets the `toString` method of `func` to return `string`.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var setToString = shortOut(baseSetToString);\n\n    /**\n     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n     * with wrapper details in a comment at the top of the source body.\n     *\n     * @private\n     * @param {Function} wrapper The function to modify.\n     * @param {Function} reference The reference function.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Function} Returns `wrapper`.\n     */\n    function setWrapToString(wrapper, reference, bitmask) {\n      var source = (reference + '');\n      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n    }\n\n    /**\n     * Creates a function that'll short out and invoke `identity` instead\n     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n     * milliseconds.\n     *\n     * @private\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new shortable function.\n     */\n    function shortOut(func) {\n      var count = 0,\n          lastCalled = 0;\n\n      return function() {\n        var stamp = nativeNow(),\n            remaining = HOT_SPAN - (stamp - lastCalled);\n\n        lastCalled = stamp;\n        if (remaining > 0) {\n          if (++count >= HOT_COUNT) {\n            return arguments[0];\n          }\n        } else {\n          count = 0;\n        }\n        return func.apply(undefined, arguments);\n      };\n    }\n\n    /**\n     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @param {number} [size=array.length] The size of `array`.\n     * @returns {Array} Returns `array`.\n     */\n    function shuffleSelf(array, size) {\n      var index = -1,\n          length = array.length,\n          lastIndex = length - 1;\n\n      size = size === undefined ? length : size;\n      while (++index < size) {\n        var rand = baseRandom(index, lastIndex),\n            value = array[rand];\n\n        array[rand] = array[index];\n        array[index] = value;\n      }\n      array.length = size;\n      return array;\n    }\n\n    /**\n     * Converts `string` to a property path array.\n     *\n     * @private\n     * @param {string} string The string to convert.\n     * @returns {Array} Returns the property path array.\n     */\n    var stringToPath = memoizeCapped(function(string) {\n      var result = [];\n      if (reLeadingDot.test(string)) {\n        result.push('');\n      }\n      string.replace(rePropName, function(match, number, quote, string) {\n        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n      });\n      return result;\n    });\n\n    /**\n     * Converts `value` to a string key if it's not a string or symbol.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {string|symbol} Returns the key.\n     */\n    function toKey(value) {\n      if (typeof value == 'string' || isSymbol(value)) {\n        return value;\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * Converts `func` to its source code.\n     *\n     * @private\n     * @param {Function} func The function to convert.\n     * @returns {string} Returns the source code.\n     */\n    function toSource(func) {\n      if (func != null) {\n        try {\n          return funcToString.call(func);\n        } catch (e) {}\n        try {\n          return (func + '');\n        } catch (e) {}\n      }\n      return '';\n    }\n\n    /**\n     * Updates wrapper `details` based on `bitmask` flags.\n     *\n     * @private\n     * @returns {Array} details The details to modify.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Array} Returns `details`.\n     */\n    function updateWrapDetails(details, bitmask) {\n      arrayEach(wrapFlags, function(pair) {\n        var value = '_.' + pair[0];\n        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n          details.push(value);\n        }\n      });\n      return details.sort();\n    }\n\n    /**\n     * Creates a clone of `wrapper`.\n     *\n     * @private\n     * @param {Object} wrapper The wrapper to clone.\n     * @returns {Object} Returns the cloned wrapper.\n     */\n    function wrapperClone(wrapper) {\n      if (wrapper instanceof LazyWrapper) {\n        return wrapper.clone();\n      }\n      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n      result.__actions__ = copyArray(wrapper.__actions__);\n      result.__index__  = wrapper.__index__;\n      result.__values__ = wrapper.__values__;\n      return result;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of elements split into groups the length of `size`.\n     * If `array` can't be split evenly, the final chunk will be the remaining\n     * elements.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to process.\n     * @param {number} [size=1] The length of each chunk\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the new array of chunks.\n     * @example\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 2);\n     * // => [['a', 'b'], ['c', 'd']]\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 3);\n     * // => [['a', 'b', 'c'], ['d']]\n     */\n    function chunk(array, size, guard) {\n      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n        size = 1;\n      } else {\n        size = nativeMax(toInteger(size), 0);\n      }\n      var length = array == null ? 0 : array.length;\n      if (!length || size < 1) {\n        return [];\n      }\n      var index = 0,\n          resIndex = 0,\n          result = Array(nativeCeil(length / size));\n\n      while (index < length) {\n        result[resIndex++] = baseSlice(array, index, (index += size));\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array with all falsey values removed. The values `false`, `null`,\n     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to compact.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.compact([0, 1, false, 2, '', 3]);\n     * // => [1, 2, 3]\n     */\n    function compact(array) {\n      var index = -1,\n          length = array == null ? 0 : array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index];\n        if (value) {\n          result[resIndex++] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates a new array concatenating `array` with any additional arrays\n     * and/or values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to concatenate.\n     * @param {...*} [values] The values to concatenate.\n     * @returns {Array} Returns the new concatenated array.\n     * @example\n     *\n     * var array = [1];\n     * var other = _.concat(array, 2, [3], [[4]]);\n     *\n     * console.log(other);\n     * // => [1, 2, 3, [4]]\n     *\n     * console.log(array);\n     * // => [1]\n     */\n    function concat() {\n      var length = arguments.length;\n      if (!length) {\n        return [];\n      }\n      var args = Array(length - 1),\n          array = arguments[0],\n          index = length;\n\n      while (index--) {\n        args[index - 1] = arguments[index];\n      }\n      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n    }\n\n    /**\n     * Creates an array of `array` values not included in the other given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.without, _.xor\n     * @example\n     *\n     * _.difference([2, 1], [2, 3]);\n     * // => [1]\n     */\n    var difference = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `iteratee` which\n     * is invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var differenceBy = baseRest(function(array, values) {\n      var iteratee = last(values);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `comparator`\n     * which is invoked to compare elements of `array` to `values`. The order and\n     * references of result values are determined by the first array. The comparator\n     * is invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     *\n     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }]\n     */\n    var differenceWith = baseRest(function(array, values) {\n      var comparator = last(values);\n      if (isArrayLikeObject(comparator)) {\n        comparator = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.drop([1, 2, 3]);\n     * // => [2, 3]\n     *\n     * _.drop([1, 2, 3], 2);\n     * // => [3]\n     *\n     * _.drop([1, 2, 3], 5);\n     * // => []\n     *\n     * _.drop([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function drop(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.dropRight([1, 2, 3]);\n     * // => [1, 2]\n     *\n     * _.dropRight([1, 2, 3], 2);\n     * // => [1]\n     *\n     * _.dropRight([1, 2, 3], 5);\n     * // => []\n     *\n     * _.dropRight([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function dropRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the end.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.dropRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropRightWhile(users, ['active', false]);\n     * // => objects for ['barney']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropRightWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the beginning.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.dropWhile(users, function(o) { return !o.active; });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropWhile(users, ['active', false]);\n     * // => objects for ['pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true)\n        : [];\n    }\n\n    /**\n     * Fills elements of `array` with `value` from `start` up to, but not\n     * including, `end`.\n     *\n     * **Note:** This method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Array\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.fill(array, 'a');\n     * console.log(array);\n     * // => ['a', 'a', 'a']\n     *\n     * _.fill(Array(3), 2);\n     * // => [2, 2, 2]\n     *\n     * _.fill([4, 6, 8, 10], '*', 1, 3);\n     * // => [4, '*', '*', 10]\n     */\n    function fill(array, value, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n        start = 0;\n        end = length;\n      }\n      return baseFill(array, value, start, end);\n    }\n\n    /**\n     * This method is like `_.find` except that it returns the index of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n     * // => 0\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findIndex(users, { 'user': 'fred', 'active': false });\n     * // => 1\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findIndex(users, ['active', false]);\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findIndex(users, 'active');\n     * // => 2\n     */\n    function findIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index);\n    }\n\n    /**\n     * This method is like `_.findIndex` except that it iterates over elements\n     * of `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n     * // => 2\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n     * // => 0\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastIndex(users, ['active', false]);\n     * // => 2\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastIndex(users, 'active');\n     * // => 0\n     */\n    function findLastIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length - 1;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = fromIndex < 0\n          ? nativeMax(length + index, 0)\n          : nativeMin(index, length - 1);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n    }\n\n    /**\n     * Flattens `array` a single level deep.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flatten([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, [3, [4]], 5]\n     */\n    function flatten(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, 1) : [];\n    }\n\n    /**\n     * Recursively flattens `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, 3, 4, 5]\n     */\n    function flattenDeep(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, INFINITY) : [];\n    }\n\n    /**\n     * Recursively flatten `array` up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * var array = [1, [2, [3, [4]], 5]];\n     *\n     * _.flattenDepth(array, 1);\n     * // => [1, 2, [3, [4]], 5]\n     *\n     * _.flattenDepth(array, 2);\n     * // => [1, 2, 3, [4], 5]\n     */\n    function flattenDepth(array, depth) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(array, depth);\n    }\n\n    /**\n     * The inverse of `_.toPairs`; this method returns an object composed\n     * from key-value `pairs`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} pairs The key-value pairs.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.fromPairs([['a', 1], ['b', 2]]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function fromPairs(pairs) {\n      var index = -1,\n          length = pairs == null ? 0 : pairs.length,\n          result = {};\n\n      while (++index < length) {\n        var pair = pairs[index];\n        result[pair[0]] = pair[1];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias first\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the first element of `array`.\n     * @example\n     *\n     * _.head([1, 2, 3]);\n     * // => 1\n     *\n     * _.head([]);\n     * // => undefined\n     */\n    function head(array) {\n      return (array && array.length) ? array[0] : undefined;\n    }\n\n    /**\n     * Gets the index at which the first occurrence of `value` is found in `array`\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. If `fromIndex` is negative, it's used as the\n     * offset from the end of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.indexOf([1, 2, 1, 2], 2);\n     * // => 1\n     *\n     * // Search from the `fromIndex`.\n     * _.indexOf([1, 2, 1, 2], 2, 2);\n     * // => 3\n     */\n    function indexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseIndexOf(array, value, index);\n    }\n\n    /**\n     * Gets all but the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.initial([1, 2, 3]);\n     * // => [1, 2]\n     */\n    function initial(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 0, -1) : [];\n    }\n\n    /**\n     * Creates an array of unique values that are included in all given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersection([2, 1], [2, 3]);\n     * // => [2]\n     */\n    var intersection = baseRest(function(arrays) {\n      var mapped = arrayMap(arrays, castArrayLikeObject);\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped)\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `iteratee`\n     * which is invoked for each element of each `arrays` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [2.1]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }]\n     */\n    var intersectionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      if (iteratee === last(mapped)) {\n        iteratee = undefined;\n      } else {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `comparator`\n     * which is invoked to compare elements of `arrays`. The order and references\n     * of result values are determined by the first array. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.intersectionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }]\n     */\n    var intersectionWith = baseRest(function(arrays) {\n      var comparator = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      if (comparator) {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Converts all elements in `array` into a string separated by `separator`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to convert.\n     * @param {string} [separator=','] The element separator.\n     * @returns {string} Returns the joined string.\n     * @example\n     *\n     * _.join(['a', 'b', 'c'], '~');\n     * // => 'a~b~c'\n     */\n    function join(array, separator) {\n      return array == null ? '' : nativeJoin.call(array, separator);\n    }\n\n    /**\n     * Gets the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the last element of `array`.\n     * @example\n     *\n     * _.last([1, 2, 3]);\n     * // => 3\n     */\n    function last(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? array[length - 1] : undefined;\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it iterates over elements of\n     * `array` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.lastIndexOf([1, 2, 1, 2], 2);\n     * // => 3\n     *\n     * // Search from the `fromIndex`.\n     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n     * // => 1\n     */\n    function lastIndexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n      }\n      return value === value\n        ? strictLastIndexOf(array, value, index)\n        : baseFindIndex(array, baseIsNaN, index, true);\n    }\n\n    /**\n     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n     * element from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.11.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=0] The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     *\n     * _.nth(array, 1);\n     * // => 'b'\n     *\n     * _.nth(array, -2);\n     * // => 'c';\n     */\n    function nth(array, n) {\n      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n    }\n\n    /**\n     * Removes all given values from `array` using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n     * to remove elements from an array by predicate.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...*} [values] The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pull(array, 'a', 'c');\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    var pull = baseRest(pullAll);\n\n    /**\n     * This method is like `_.pull` except that it accepts an array of values to remove.\n     *\n     * **Note:** Unlike `_.difference`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pullAll(array, ['a', 'c']);\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    function pullAll(array, values) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values)\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n     * invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The iteratee is invoked with one argument: (value).\n     *\n     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n     *\n     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n     * console.log(array);\n     * // => [{ 'x': 2 }]\n     */\n    function pullAllBy(array, values, iteratee) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, getIteratee(iteratee, 2))\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `comparator` which\n     * is invoked to compare elements of `array` to `values`. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n     *\n     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n     * console.log(array);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n     */\n    function pullAllWith(array, values, comparator) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, undefined, comparator)\n        : array;\n    }\n\n    /**\n     * Removes elements from `array` corresponding to `indexes` and returns an\n     * array of removed elements.\n     *\n     * **Note:** Unlike `_.at`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     * var pulled = _.pullAt(array, [1, 3]);\n     *\n     * console.log(array);\n     * // => ['a', 'c']\n     *\n     * console.log(pulled);\n     * // => ['b', 'd']\n     */\n    var pullAt = flatRest(function(array, indexes) {\n      var length = array == null ? 0 : array.length,\n          result = baseAt(array, indexes);\n\n      basePullAt(array, arrayMap(indexes, function(index) {\n        return isIndex(index, length) ? +index : index;\n      }).sort(compareAscending));\n\n      return result;\n    });\n\n    /**\n     * Removes all elements from `array` that `predicate` returns truthy for\n     * and returns an array of the removed elements. The predicate is invoked\n     * with three arguments: (value, index, array).\n     *\n     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n     * to pull elements from an array by value.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = [1, 2, 3, 4];\n     * var evens = _.remove(array, function(n) {\n     *   return n % 2 == 0;\n     * });\n     *\n     * console.log(array);\n     * // => [1, 3]\n     *\n     * console.log(evens);\n     * // => [2, 4]\n     */\n    function remove(array, predicate) {\n      var result = [];\n      if (!(array && array.length)) {\n        return result;\n      }\n      var index = -1,\n          indexes = [],\n          length = array.length;\n\n      predicate = getIteratee(predicate, 3);\n      while (++index < length) {\n        var value = array[index];\n        if (predicate(value, index, array)) {\n          result.push(value);\n          indexes.push(index);\n        }\n      }\n      basePullAt(array, indexes);\n      return result;\n    }\n\n    /**\n     * Reverses `array` so that the first element becomes the last, the second\n     * element becomes the second to last, and so on.\n     *\n     * **Note:** This method mutates `array` and is based on\n     * [`Array#reverse`](https://mdn.io/Array/reverse).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.reverse(array);\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function reverse(array) {\n      return array == null ? array : nativeReverse.call(array);\n    }\n\n    /**\n     * Creates a slice of `array` from `start` up to, but not including, `end`.\n     *\n     * **Note:** This method is used instead of\n     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n     * returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function slice(array, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n        start = 0;\n        end = length;\n      }\n      else {\n        start = start == null ? 0 : toInteger(start);\n        end = end === undefined ? length : toInteger(end);\n      }\n      return baseSlice(array, start, end);\n    }\n\n    /**\n     * Uses a binary search to determine the lowest index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedIndex([30, 50], 40);\n     * // => 1\n     */\n    function sortedIndex(array, value) {\n      return baseSortedIndex(array, value);\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 0\n     */\n    function sortedIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 1\n     */\n    function sortedIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value);\n        if (index < length && eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it returns the highest\n     * index at which `value` should be inserted into `array` in order to\n     * maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n     * // => 4\n     */\n    function sortedLastIndex(array, value) {\n      return baseSortedIndex(array, value, true);\n    }\n\n    /**\n     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 1\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 1\n     */\n    function sortedLastIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n    }\n\n    /**\n     * This method is like `_.lastIndexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 3\n     */\n    function sortedLastIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value, true) - 1;\n        if (eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.uniq` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniq([1, 1, 2]);\n     * // => [1, 2]\n     */\n    function sortedUniq(array) {\n      return (array && array.length)\n        ? baseSortedUniq(array)\n        : [];\n    }\n\n    /**\n     * This method is like `_.uniqBy` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n     * // => [1.1, 2.3]\n     */\n    function sortedUniqBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n        : [];\n    }\n\n    /**\n     * Gets all but the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.tail([1, 2, 3]);\n     * // => [2, 3]\n     */\n    function tail(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 1, length) : [];\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.take([1, 2, 3]);\n     * // => [1]\n     *\n     * _.take([1, 2, 3], 2);\n     * // => [1, 2]\n     *\n     * _.take([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.take([1, 2, 3], 0);\n     * // => []\n     */\n    function take(array, n, guard) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.takeRight([1, 2, 3]);\n     * // => [3]\n     *\n     * _.takeRight([1, 2, 3], 2);\n     * // => [2, 3]\n     *\n     * _.takeRight([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.takeRight([1, 2, 3], 0);\n     * // => []\n     */\n    function takeRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the end. Elements are\n     * taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.takeRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeRightWhile(users, ['active', false]);\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeRightWhile(users, 'active');\n     * // => []\n     */\n    function takeRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the beginning. Elements\n     * are taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.takeWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeWhile(users, ['active', false]);\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeWhile(users, 'active');\n     * // => []\n     */\n    function takeWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3))\n        : [];\n    }\n\n    /**\n     * Creates an array of unique values, in order, from all given arrays using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.union([2], [1, 2]);\n     * // => [2, 1]\n     */\n    var union = baseRest(function(arrays) {\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which uniqueness is computed. Result values are chosen from the first\n     * array in which the value occurs. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    var unionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `comparator` which\n     * is invoked to compare elements of `arrays`. Result values are chosen from\n     * the first array in which the value occurs. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.unionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var unionWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n    });\n\n    /**\n     * Creates a duplicate-free version of an array, using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons, in which only the first occurrence of each element\n     * is kept. The order of result values is determined by the order they occur\n     * in the array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniq([2, 1, 2]);\n     * // => [2, 1]\n     */\n    function uniq(array) {\n      return (array && array.length) ? baseUniq(array) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * uniqueness is computed. The order of result values is determined by the\n     * order they occur in the array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    function uniqBy(array, iteratee) {\n      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `comparator` which\n     * is invoked to compare elements of `array`. The order of result values is\n     * determined by the order they occur in the array.The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.uniqWith(objects, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n     */\n    function uniqWith(array, comparator) {\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts an array of grouped\n     * elements and creates an array regrouping the elements to their pre-zip\n     * configuration.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.2.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     *\n     * _.unzip(zipped);\n     * // => [['a', 'b'], [1, 2], [true, false]]\n     */\n    function unzip(array) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var length = 0;\n      array = arrayFilter(array, function(group) {\n        if (isArrayLikeObject(group)) {\n          length = nativeMax(group.length, length);\n          return true;\n        }\n      });\n      return baseTimes(length, function(index) {\n        return arrayMap(array, baseProperty(index));\n      });\n    }\n\n    /**\n     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n     * how regrouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  regrouped values.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n     * // => [[1, 10, 100], [2, 20, 200]]\n     *\n     * _.unzipWith(zipped, _.add);\n     * // => [3, 30, 300]\n     */\n    function unzipWith(array, iteratee) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var result = unzip(array);\n      if (iteratee == null) {\n        return result;\n      }\n      return arrayMap(result, function(group) {\n        return apply(iteratee, undefined, group);\n      });\n    }\n\n    /**\n     * Creates an array excluding all given values using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.pull`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...*} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.xor\n     * @example\n     *\n     * _.without([2, 1, 2, 3], 1, 2);\n     * // => [3]\n     */\n    var without = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, values)\n        : [];\n    });\n\n    /**\n     * Creates an array of unique values that is the\n     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n     * of the given arrays. The order of result values is determined by the order\n     * they occur in the arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.without\n     * @example\n     *\n     * _.xor([2, 1], [2, 3]);\n     * // => [1, 3]\n     */\n    var xor = baseRest(function(arrays) {\n      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which by which they're compared. The order of result values is determined\n     * by the order they occur in the arrays. The iteratee is invoked with one\n     * argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2, 3.4]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var xorBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `comparator` which is\n     * invoked to compare elements of `arrays`. The order of result values is\n     * determined by the order they occur in the arrays. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.xorWith(objects, others, _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var xorWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n    });\n\n    /**\n     * Creates an array of grouped elements, the first of which contains the\n     * first elements of the given arrays, the second of which contains the\n     * second elements of the given arrays, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     */\n    var zip = baseRest(unzip);\n\n    /**\n     * This method is like `_.fromPairs` except that it accepts two arrays,\n     * one of property identifiers and one of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.4.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObject(['a', 'b'], [1, 2]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function zipObject(props, values) {\n      return baseZipObject(props || [], values || [], assignValue);\n    }\n\n    /**\n     * This method is like `_.zipObject` except that it supports property paths.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n     */\n    function zipObjectDeep(props, values) {\n      return baseZipObject(props || [], values || [], baseSet);\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts `iteratee` to specify\n     * how grouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  grouped values.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n     *   return a + b + c;\n     * });\n     * // => [111, 222]\n     */\n    var zipWith = baseRest(function(arrays) {\n      var length = arrays.length,\n          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n      return unzipWith(arrays, iteratee);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n     * chain sequences enabled. The result of such sequences must be unwrapped\n     * with `_#value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Seq\n     * @param {*} value The value to wrap.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36 },\n     *   { 'user': 'fred',    'age': 40 },\n     *   { 'user': 'pebbles', 'age': 1 }\n     * ];\n     *\n     * var youngest = _\n     *   .chain(users)\n     *   .sortBy('age')\n     *   .map(function(o) {\n     *     return o.user + ' is ' + o.age;\n     *   })\n     *   .head()\n     *   .value();\n     * // => 'pebbles is 1'\n     */\n    function chain(value) {\n      var result = lodash(value);\n      result.__chain__ = true;\n      return result;\n    }\n\n    /**\n     * This method invokes `interceptor` and returns `value`. The interceptor\n     * is invoked with one argument; (value). The purpose of this method is to\n     * \"tap into\" a method chain sequence in order to modify intermediate results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * _([1, 2, 3])\n     *  .tap(function(array) {\n     *    // Mutate input array.\n     *    array.pop();\n     *  })\n     *  .reverse()\n     *  .value();\n     * // => [2, 1]\n     */\n    function tap(value, interceptor) {\n      interceptor(value);\n      return value;\n    }\n\n    /**\n     * This method is like `_.tap` except that it returns the result of `interceptor`.\n     * The purpose of this method is to \"pass thru\" values replacing intermediate\n     * results in a method chain sequence.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns the result of `interceptor`.\n     * @example\n     *\n     * _('  abc  ')\n     *  .chain()\n     *  .trim()\n     *  .thru(function(value) {\n     *    return [value];\n     *  })\n     *  .value();\n     * // => ['abc']\n     */\n    function thru(value, interceptor) {\n      return interceptor(value);\n    }\n\n    /**\n     * This method is the wrapper version of `_.at`.\n     *\n     * @name at\n     * @memberOf _\n     * @since 1.0.0\n     * @category Seq\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _(object).at(['a[0].b.c', 'a[1]']).value();\n     * // => [3, 4]\n     */\n    var wrapperAt = flatRest(function(paths) {\n      var length = paths.length,\n          start = length ? paths[0] : 0,\n          value = this.__wrapped__,\n          interceptor = function(object) { return baseAt(object, paths); };\n\n      if (length > 1 || this.__actions__.length ||\n          !(value instanceof LazyWrapper) || !isIndex(start)) {\n        return this.thru(interceptor);\n      }\n      value = value.slice(start, +start + (length ? 1 : 0));\n      value.__actions__.push({\n        'func': thru,\n        'args': [interceptor],\n        'thisArg': undefined\n      });\n      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n        if (length && !array.length) {\n          array.push(undefined);\n        }\n        return array;\n      });\n    });\n\n    /**\n     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n     *\n     * @name chain\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 }\n     * ];\n     *\n     * // A sequence without explicit chaining.\n     * _(users).head();\n     * // => { 'user': 'barney', 'age': 36 }\n     *\n     * // A sequence with explicit chaining.\n     * _(users)\n     *   .chain()\n     *   .head()\n     *   .pick('user')\n     *   .value();\n     * // => { 'user': 'barney' }\n     */\n    function wrapperChain() {\n      return chain(this);\n    }\n\n    /**\n     * Executes the chain sequence and returns the wrapped result.\n     *\n     * @name commit\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2];\n     * var wrapped = _(array).push(3);\n     *\n     * console.log(array);\n     * // => [1, 2]\n     *\n     * wrapped = wrapped.commit();\n     * console.log(array);\n     * // => [1, 2, 3]\n     *\n     * wrapped.last();\n     * // => 3\n     *\n     * console.log(array);\n     * // => [1, 2, 3]\n     */\n    function wrapperCommit() {\n      return new LodashWrapper(this.value(), this.__chain__);\n    }\n\n    /**\n     * Gets the next value on a wrapped object following the\n     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n     *\n     * @name next\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the next iterator value.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 1 }\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 2 }\n     *\n     * wrapped.next();\n     * // => { 'done': true, 'value': undefined }\n     */\n    function wrapperNext() {\n      if (this.__values__ === undefined) {\n        this.__values__ = toArray(this.value());\n      }\n      var done = this.__index__ >= this.__values__.length,\n          value = done ? undefined : this.__values__[this.__index__++];\n\n      return { 'done': done, 'value': value };\n    }\n\n    /**\n     * Enables the wrapper to be iterable.\n     *\n     * @name Symbol.iterator\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the wrapper object.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped[Symbol.iterator]() === wrapped;\n     * // => true\n     *\n     * Array.from(wrapped);\n     * // => [1, 2]\n     */\n    function wrapperToIterator() {\n      return this;\n    }\n\n    /**\n     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n     *\n     * @name plant\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @param {*} value The value to plant.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2]).map(square);\n     * var other = wrapped.plant([3, 4]);\n     *\n     * other.value();\n     * // => [9, 16]\n     *\n     * wrapped.value();\n     * // => [1, 4]\n     */\n    function wrapperPlant(value) {\n      var result,\n          parent = this;\n\n      while (parent instanceof baseLodash) {\n        var clone = wrapperClone(parent);\n        clone.__index__ = 0;\n        clone.__values__ = undefined;\n        if (result) {\n          previous.__wrapped__ = clone;\n        } else {\n          result = clone;\n        }\n        var previous = clone;\n        parent = parent.__wrapped__;\n      }\n      previous.__wrapped__ = value;\n      return result;\n    }\n\n    /**\n     * This method is the wrapper version of `_.reverse`.\n     *\n     * **Note:** This method mutates the wrapped array.\n     *\n     * @name reverse\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _(array).reverse().value()\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function wrapperReverse() {\n      var value = this.__wrapped__;\n      if (value instanceof LazyWrapper) {\n        var wrapped = value;\n        if (this.__actions__.length) {\n          wrapped = new LazyWrapper(this);\n        }\n        wrapped = wrapped.reverse();\n        wrapped.__actions__.push({\n          'func': thru,\n          'args': [reverse],\n          'thisArg': undefined\n        });\n        return new LodashWrapper(wrapped, this.__chain__);\n      }\n      return this.thru(reverse);\n    }\n\n    /**\n     * Executes the chain sequence to resolve the unwrapped value.\n     *\n     * @name value\n     * @memberOf _\n     * @since 0.1.0\n     * @alias toJSON, valueOf\n     * @category Seq\n     * @returns {*} Returns the resolved unwrapped value.\n     * @example\n     *\n     * _([1, 2, 3]).value();\n     * // => [1, 2, 3]\n     */\n    function wrapperValue() {\n      return baseWrapperValue(this.__wrapped__, this.__actions__);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the number of times the key was returned by `iteratee`. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': 1, '6': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.countBy(['one', 'two', 'three'], 'length');\n     * // => { '3': 2, '5': 1 }\n     */\n    var countBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        ++result[key];\n      } else {\n        baseAssignValue(result, key, 1);\n      }\n    });\n\n    /**\n     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n     * Iteration is stopped once `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * **Note:** This method returns `true` for\n     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n     * elements of empty collections.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.every([true, 1, null, 'yes'], Boolean);\n     * // => false\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.every(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.every(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.every(users, 'active');\n     * // => false\n     */\n    function every(collection, predicate, guard) {\n      var func = isArray(collection) ? arrayEvery : baseEvery;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning an array of all elements\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * **Note:** Unlike `_.remove`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.reject\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * _.filter(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, { 'age': 36, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.filter(users, 'active');\n     * // => objects for ['barney']\n     */\n    function filter(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning the first element\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': true },\n     *   { 'user': 'fred',    'age': 40, 'active': false },\n     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n     * ];\n     *\n     * _.find(users, function(o) { return o.age < 40; });\n     * // => object for 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.find(users, { 'age': 1, 'active': true });\n     * // => object for 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.find(users, ['active', false]);\n     * // => object for 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.find(users, 'active');\n     * // => object for 'barney'\n     */\n    var find = createFind(findIndex);\n\n    /**\n     * This method is like `_.find` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=collection.length-1] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * _.findLast([1, 2, 3, 4], function(n) {\n     *   return n % 2 == 1;\n     * });\n     * // => 3\n     */\n    var findLast = createFind(findLastIndex);\n\n    /**\n     * Creates a flattened array of values by running each element in `collection`\n     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n     * with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [n, n];\n     * }\n     *\n     * _.flatMap([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMap(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), 1);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDeep([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMapDeep(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), INFINITY);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDepth([1, 2], duplicate, 2);\n     * // => [[1, 1], [2, 2]]\n     */\n    function flatMapDepth(collection, iteratee, depth) {\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(map(collection, iteratee), depth);\n    }\n\n    /**\n     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n     * The iteratee is invoked with three arguments: (value, index|key, collection).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n     * or `_.forOwn` for object iteration.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias each\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEachRight\n     * @example\n     *\n     * _.forEach([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `1` then `2`.\n     *\n     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forEach(collection, iteratee) {\n      var func = isArray(collection) ? arrayEach : baseEach;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forEach` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @alias eachRight\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEach\n     * @example\n     *\n     * _.forEachRight([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `2` then `1`.\n     */\n    function forEachRight(collection, iteratee) {\n      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The order of grouped values\n     * is determined by the order they occur in `collection`. The corresponding\n     * value of each key is an array of elements responsible for generating the\n     * key. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': [4.2], '6': [6.1, 6.3] }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.groupBy(['one', 'two', 'three'], 'length');\n     * // => { '3': ['one', 'two'], '5': ['three'] }\n     */\n    var groupBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        result[key].push(value);\n      } else {\n        baseAssignValue(result, key, [value]);\n      }\n    });\n\n    /**\n     * Checks if `value` is in `collection`. If `collection` is a string, it's\n     * checked for a substring of `value`, otherwise\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n     * the offset from the end of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n     * @example\n     *\n     * _.includes([1, 2, 3], 1);\n     * // => true\n     *\n     * _.includes([1, 2, 3], 1, 2);\n     * // => false\n     *\n     * _.includes({ 'a': 1, 'b': 2 }, 1);\n     * // => true\n     *\n     * _.includes('abcd', 'bc');\n     * // => true\n     */\n    function includes(collection, value, fromIndex, guard) {\n      collection = isArrayLike(collection) ? collection : values(collection);\n      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n      var length = collection.length;\n      if (fromIndex < 0) {\n        fromIndex = nativeMax(length + fromIndex, 0);\n      }\n      return isString(collection)\n        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n    }\n\n    /**\n     * Invokes the method at `path` of each element in `collection`, returning\n     * an array of the results of each invoked method. Any additional arguments\n     * are provided to each invoked method. If `path` is a function, it's invoked\n     * for, and `this` bound to, each element in `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array|Function|string} path The path of the method to invoke or\n     *  the function invoked per iteration.\n     * @param {...*} [args] The arguments to invoke each method with.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n     * // => [[1, 5, 7], [1, 2, 3]]\n     *\n     * _.invokeMap([123, 456], String.prototype.split, '');\n     * // => [['1', '2', '3'], ['4', '5', '6']]\n     */\n    var invokeMap = baseRest(function(collection, path, args) {\n      var index = -1,\n          isFunc = typeof path == 'function',\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value) {\n        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n      });\n      return result;\n    });\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the last element responsible for generating the key. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * var array = [\n     *   { 'dir': 'left', 'code': 97 },\n     *   { 'dir': 'right', 'code': 100 }\n     * ];\n     *\n     * _.keyBy(array, function(o) {\n     *   return String.fromCharCode(o.code);\n     * });\n     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n     *\n     * _.keyBy(array, 'dir');\n     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n     */\n    var keyBy = createAggregator(function(result, value, key) {\n      baseAssignValue(result, key, value);\n    });\n\n    /**\n     * Creates an array of values by running each element in `collection` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n     *\n     * The guarded methods are:\n     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * _.map([4, 8], square);\n     * // => [16, 64]\n     *\n     * _.map({ 'a': 4, 'b': 8 }, square);\n     * // => [16, 64] (iteration order is not guaranteed)\n     *\n     * var users = [\n     *   { 'user': 'barney' },\n     *   { 'user': 'fred' }\n     * ];\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, 'user');\n     * // => ['barney', 'fred']\n     */\n    function map(collection, iteratee) {\n      var func = isArray(collection) ? arrayMap : baseMap;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.sortBy` except that it allows specifying the sort\n     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n     * descending or \"asc\" for ascending sort order of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @param {string[]} [orders] The sort orders of `iteratees`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 34 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 36 }\n     * ];\n     *\n     * // Sort by `user` in ascending order and by `age` in descending order.\n     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     */\n    function orderBy(collection, iteratees, orders, guard) {\n      if (collection == null) {\n        return [];\n      }\n      if (!isArray(iteratees)) {\n        iteratees = iteratees == null ? [] : [iteratees];\n      }\n      orders = guard ? undefined : orders;\n      if (!isArray(orders)) {\n        orders = orders == null ? [] : [orders];\n      }\n      return baseOrderBy(collection, iteratees, orders);\n    }\n\n    /**\n     * Creates an array of elements split into two groups, the first of which\n     * contains elements `predicate` returns truthy for, the second of which\n     * contains elements `predicate` returns falsey for. The predicate is\n     * invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of grouped elements.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': false },\n     *   { 'user': 'fred',    'age': 40, 'active': true },\n     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n     * ];\n     *\n     * _.partition(users, function(o) { return o.active; });\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.partition(users, { 'age': 1, 'active': false });\n     * // => objects for [['pebbles'], ['barney', 'fred']]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.partition(users, ['active', false]);\n     * // => objects for [['barney', 'pebbles'], ['fred']]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.partition(users, 'active');\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     */\n    var partition = createAggregator(function(result, value, key) {\n      result[key ? 0 : 1].push(value);\n    }, function() { return [[], []]; });\n\n    /**\n     * Reduces `collection` to a value which is the accumulated result of running\n     * each element in `collection` thru `iteratee`, where each successive\n     * invocation is supplied the return value of the previous. If `accumulator`\n     * is not given, the first element of `collection` is used as the initial\n     * value. The iteratee is invoked with four arguments:\n     * (accumulator, value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n     *\n     * The guarded methods are:\n     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n     * and `sortBy`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduceRight\n     * @example\n     *\n     * _.reduce([1, 2], function(sum, n) {\n     *   return sum + n;\n     * }, 0);\n     * // => 3\n     *\n     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     *   return result;\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n     */\n    function reduce(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduce : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n    }\n\n    /**\n     * This method is like `_.reduce` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduce\n     * @example\n     *\n     * var array = [[0, 1], [2, 3], [4, 5]];\n     *\n     * _.reduceRight(array, function(flattened, other) {\n     *   return flattened.concat(other);\n     * }, []);\n     * // => [4, 5, 2, 3, 0, 1]\n     */\n    function reduceRight(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n    }\n\n    /**\n     * The opposite of `_.filter`; this method returns the elements of `collection`\n     * that `predicate` does **not** return truthy for.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.filter\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': true }\n     * ];\n     *\n     * _.reject(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.reject(users, { 'age': 40, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.reject(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.reject(users, 'active');\n     * // => objects for ['barney']\n     */\n    function reject(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, negate(getIteratee(predicate, 3)));\n    }\n\n    /**\n     * Gets a random element from `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     * @example\n     *\n     * _.sample([1, 2, 3, 4]);\n     * // => 2\n     */\n    function sample(collection) {\n      var func = isArray(collection) ? arraySample : baseSample;\n      return func(collection);\n    }\n\n    /**\n     * Gets `n` random elements at unique keys from `collection` up to the\n     * size of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} [n=1] The number of elements to sample.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the random elements.\n     * @example\n     *\n     * _.sampleSize([1, 2, 3], 2);\n     * // => [3, 1]\n     *\n     * _.sampleSize([1, 2, 3], 4);\n     * // => [2, 3, 1]\n     */\n    function sampleSize(collection, n, guard) {\n      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n      return func(collection, n);\n    }\n\n    /**\n     * Creates an array of shuffled values, using a version of the\n     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     * @example\n     *\n     * _.shuffle([1, 2, 3, 4]);\n     * // => [4, 1, 3, 2]\n     */\n    function shuffle(collection) {\n      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n      return func(collection);\n    }\n\n    /**\n     * Gets the size of `collection` by returning its length for array-like\n     * values or the number of own enumerable string keyed properties for objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @returns {number} Returns the collection size.\n     * @example\n     *\n     * _.size([1, 2, 3]);\n     * // => 3\n     *\n     * _.size({ 'a': 1, 'b': 2 });\n     * // => 2\n     *\n     * _.size('pebbles');\n     * // => 7\n     */\n    function size(collection) {\n      if (collection == null) {\n        return 0;\n      }\n      if (isArrayLike(collection)) {\n        return isString(collection) ? stringSize(collection) : collection.length;\n      }\n      var tag = getTag(collection);\n      if (tag == mapTag || tag == setTag) {\n        return collection.size;\n      }\n      return baseKeys(collection).length;\n    }\n\n    /**\n     * Checks if `predicate` returns truthy for **any** element of `collection`.\n     * Iteration is stopped once `predicate` returns truthy. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.some([null, 0, 'yes', false], Boolean);\n     * // => true\n     *\n     * var users = [\n     *   { 'user': 'barney', 'active': true },\n     *   { 'user': 'fred',   'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.some(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.some(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.some(users, 'active');\n     * // => true\n     */\n    function some(collection, predicate, guard) {\n      var func = isArray(collection) ? arraySome : baseSome;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Creates an array of elements, sorted in ascending order by the results of\n     * running each element in a collection thru each iteratee. This method\n     * performs a stable sort, that is, it preserves the original sort order of\n     * equal elements. The iteratees are invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 34 }\n     * ];\n     *\n     * _.sortBy(users, [function(o) { return o.user; }]);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     *\n     * _.sortBy(users, ['user', 'age']);\n     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n     */\n    var sortBy = baseRest(function(collection, iteratees) {\n      if (collection == null) {\n        return [];\n      }\n      var length = iteratees.length;\n      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n        iteratees = [];\n      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n        iteratees = [iteratees[0]];\n      }\n      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Gets the timestamp of the number of milliseconds that have elapsed since\n     * the Unix epoch (1 January 1970 00:00:00 UTC).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Date\n     * @returns {number} Returns the timestamp.\n     * @example\n     *\n     * _.defer(function(stamp) {\n     *   console.log(_.now() - stamp);\n     * }, _.now());\n     * // => Logs the number of milliseconds it took for the deferred invocation.\n     */\n    var now = ctxNow || function() {\n      return root.Date.now();\n    };\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The opposite of `_.before`; this method creates a function that invokes\n     * `func` once it's called `n` or more times.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {number} n The number of calls before `func` is invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var saves = ['profile', 'settings'];\n     *\n     * var done = _.after(saves.length, function() {\n     *   console.log('done saving!');\n     * });\n     *\n     * _.forEach(saves, function(type) {\n     *   asyncSave({ 'type': type, 'complete': done });\n     * });\n     * // => Logs 'done saving!' after the two async saves have completed.\n     */\n    function after(n, func) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n < 1) {\n          return func.apply(this, arguments);\n        }\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func`, with up to `n` arguments,\n     * ignoring any additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @param {number} [n=func.length] The arity cap.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n     * // => [6, 8, 10]\n     */\n    function ary(func, n, guard) {\n      n = guard ? undefined : n;\n      n = (func && n == null) ? func.length : n;\n      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n    }\n\n    /**\n     * Creates a function that invokes `func`, with the `this` binding and arguments\n     * of the created function, while it's called less than `n` times. Subsequent\n     * calls to the created function return the result of the last `func` invocation.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {number} n The number of calls at which `func` is no longer invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * jQuery(element).on('click', _.before(5, addContactToList));\n     * // => Allows adding up to 4 contacts to the list.\n     */\n    function before(n, func) {\n      var result;\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n > 0) {\n          result = func.apply(this, arguments);\n        }\n        if (n <= 1) {\n          func = undefined;\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n     * and `partials` prepended to the arguments it receives.\n     *\n     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n     * property of bound functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to bind.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * function greet(greeting, punctuation) {\n     *   return greeting + ' ' + this.user + punctuation;\n     * }\n     *\n     * var object = { 'user': 'fred' };\n     *\n     * var bound = _.bind(greet, object, 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bind(greet, object, _, '!');\n     * bound('hi');\n     * // => 'hi fred!'\n     */\n    var bind = baseRest(function(func, thisArg, partials) {\n      var bitmask = WRAP_BIND_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bind));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(func, bitmask, thisArg, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes the method at `object[key]` with `partials`\n     * prepended to the arguments it receives.\n     *\n     * This method differs from `_.bind` by allowing bound functions to reference\n     * methods that may be redefined or don't yet exist. See\n     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n     * for more details.\n     *\n     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Function\n     * @param {Object} object The object to invoke the method on.\n     * @param {string} key The key of the method.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * var object = {\n     *   'user': 'fred',\n     *   'greet': function(greeting, punctuation) {\n     *     return greeting + ' ' + this.user + punctuation;\n     *   }\n     * };\n     *\n     * var bound = _.bindKey(object, 'greet', 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * object.greet = function(greeting, punctuation) {\n     *   return greeting + 'ya ' + this.user + punctuation;\n     * };\n     *\n     * bound('!');\n     * // => 'hiya fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bindKey(object, 'greet', _, '!');\n     * bound('hi');\n     * // => 'hiya fred!'\n     */\n    var bindKey = baseRest(function(object, key, partials) {\n      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bindKey));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(key, bitmask, object, partials, holders);\n    });\n\n    /**\n     * Creates a function that accepts arguments of `func` and either invokes\n     * `func` returning its result, if at least `arity` number of arguments have\n     * been provided, or returns a function that accepts the remaining `func`\n     * arguments, and so on. The arity of `func` may be specified if `func.length`\n     * is not sufficient.\n     *\n     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curry(abc);\n     *\n     * curried(1)(2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(1)(_, 3)(2);\n     * // => [1, 2, 3]\n     */\n    function curry(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curry.placeholder;\n      return result;\n    }\n\n    /**\n     * This method is like `_.curry` except that arguments are applied to `func`\n     * in the manner of `_.partialRight` instead of `_.partial`.\n     *\n     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curryRight(abc);\n     *\n     * curried(3)(2)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(2, 3)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(3)(1, _)(2);\n     * // => [1, 2, 3]\n     */\n    function curryRight(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curryRight.placeholder;\n      return result;\n    }\n\n    /**\n     * Creates a debounced function that delays invoking `func` until after `wait`\n     * milliseconds have elapsed since the last time the debounced function was\n     * invoked. The debounced function comes with a `cancel` method to cancel\n     * delayed `func` invocations and a `flush` method to immediately invoke them.\n     * Provide `options` to indicate whether `func` should be invoked on the\n     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n     * with the last arguments provided to the debounced function. Subsequent\n     * calls to the debounced function return the result of the last `func`\n     * invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the debounced function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.debounce` and `_.throttle`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to debounce.\n     * @param {number} [wait=0] The number of milliseconds to delay.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=false]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {number} [options.maxWait]\n     *  The maximum time `func` is allowed to be delayed before it's invoked.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new debounced function.\n     * @example\n     *\n     * // Avoid costly calculations while the window size is in flux.\n     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n     *\n     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n     *   'leading': true,\n     *   'trailing': false\n     * }));\n     *\n     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n     * var source = new EventSource('/stream');\n     * jQuery(source).on('message', debounced);\n     *\n     * // Cancel the trailing debounced invocation.\n     * jQuery(window).on('popstate', debounced.cancel);\n     */\n    function debounce(func, wait, options) {\n      var lastArgs,\n          lastThis,\n          maxWait,\n          result,\n          timerId,\n          lastCallTime,\n          lastInvokeTime = 0,\n          leading = false,\n          maxing = false,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      wait = toNumber(wait) || 0;\n      if (isObject(options)) {\n        leading = !!options.leading;\n        maxing = 'maxWait' in options;\n        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n\n      function invokeFunc(time) {\n        var args = lastArgs,\n            thisArg = lastThis;\n\n        lastArgs = lastThis = undefined;\n        lastInvokeTime = time;\n        result = func.apply(thisArg, args);\n        return result;\n      }\n\n      function leadingEdge(time) {\n        // Reset any `maxWait` timer.\n        lastInvokeTime = time;\n        // Start the timer for the trailing edge.\n        timerId = setTimeout(timerExpired, wait);\n        // Invoke the leading edge.\n        return leading ? invokeFunc(time) : result;\n      }\n\n      function remainingWait(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime,\n            result = wait - timeSinceLastCall;\n\n        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n      }\n\n      function shouldInvoke(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime;\n\n        // Either this is the first call, activity has stopped and we're at the\n        // trailing edge, the system time has gone backwards and we're treating\n        // it as the trailing edge, or we've hit the `maxWait` limit.\n        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n      }\n\n      function timerExpired() {\n        var time = now();\n        if (shouldInvoke(time)) {\n          return trailingEdge(time);\n        }\n        // Restart the timer.\n        timerId = setTimeout(timerExpired, remainingWait(time));\n      }\n\n      function trailingEdge(time) {\n        timerId = undefined;\n\n        // Only invoke if we have `lastArgs` which means `func` has been\n        // debounced at least once.\n        if (trailing && lastArgs) {\n          return invokeFunc(time);\n        }\n        lastArgs = lastThis = undefined;\n        return result;\n      }\n\n      function cancel() {\n        if (timerId !== undefined) {\n          clearTimeout(timerId);\n        }\n        lastInvokeTime = 0;\n        lastArgs = lastCallTime = lastThis = timerId = undefined;\n      }\n\n      function flush() {\n        return timerId === undefined ? result : trailingEdge(now());\n      }\n\n      function debounced() {\n        var time = now(),\n            isInvoking = shouldInvoke(time);\n\n        lastArgs = arguments;\n        lastThis = this;\n        lastCallTime = time;\n\n        if (isInvoking) {\n          if (timerId === undefined) {\n            return leadingEdge(lastCallTime);\n          }\n          if (maxing) {\n            // Handle invocations in a tight loop.\n            timerId = setTimeout(timerExpired, wait);\n            return invokeFunc(lastCallTime);\n          }\n        }\n        if (timerId === undefined) {\n          timerId = setTimeout(timerExpired, wait);\n        }\n        return result;\n      }\n      debounced.cancel = cancel;\n      debounced.flush = flush;\n      return debounced;\n    }\n\n    /**\n     * Defers invoking the `func` until the current call stack has cleared. Any\n     * additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to defer.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.defer(function(text) {\n     *   console.log(text);\n     * }, 'deferred');\n     * // => Logs 'deferred' after one millisecond.\n     */\n    var defer = baseRest(function(func, args) {\n      return baseDelay(func, 1, args);\n    });\n\n    /**\n     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n     * provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.delay(function(text) {\n     *   console.log(text);\n     * }, 1000, 'later');\n     * // => Logs 'later' after one second.\n     */\n    var delay = baseRest(function(func, wait, args) {\n      return baseDelay(func, toNumber(wait) || 0, args);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments reversed.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to flip arguments for.\n     * @returns {Function} Returns the new flipped function.\n     * @example\n     *\n     * var flipped = _.flip(function() {\n     *   return _.toArray(arguments);\n     * });\n     *\n     * flipped('a', 'b', 'c', 'd');\n     * // => ['d', 'c', 'b', 'a']\n     */\n    function flip(func) {\n      return createWrap(func, WRAP_FLIP_FLAG);\n    }\n\n    /**\n     * Creates a function that memoizes the result of `func`. If `resolver` is\n     * provided, it determines the cache key for storing the result based on the\n     * arguments provided to the memoized function. By default, the first argument\n     * provided to the memoized function is used as the map cache key. The `func`\n     * is invoked with the `this` binding of the memoized function.\n     *\n     * **Note:** The cache is exposed as the `cache` property on the memoized\n     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n     * constructor with one whose instances implement the\n     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to have its output memoized.\n     * @param {Function} [resolver] The function to resolve the cache key.\n     * @returns {Function} Returns the new memoized function.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     * var other = { 'c': 3, 'd': 4 };\n     *\n     * var values = _.memoize(_.values);\n     * values(object);\n     * // => [1, 2]\n     *\n     * values(other);\n     * // => [3, 4]\n     *\n     * object.a = 2;\n     * values(object);\n     * // => [1, 2]\n     *\n     * // Modify the result cache.\n     * values.cache.set(object, ['a', 'b']);\n     * values(object);\n     * // => ['a', 'b']\n     *\n     * // Replace `_.memoize.Cache`.\n     * _.memoize.Cache = WeakMap;\n     */\n    function memoize(func, resolver) {\n      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var memoized = function() {\n        var args = arguments,\n            key = resolver ? resolver.apply(this, args) : args[0],\n            cache = memoized.cache;\n\n        if (cache.has(key)) {\n          return cache.get(key);\n        }\n        var result = func.apply(this, args);\n        memoized.cache = cache.set(key, result) || cache;\n        return result;\n      };\n      memoized.cache = new (memoize.Cache || MapCache);\n      return memoized;\n    }\n\n    // Expose `MapCache`.\n    memoize.Cache = MapCache;\n\n    /**\n     * Creates a function that negates the result of the predicate `func`. The\n     * `func` predicate is invoked with the `this` binding and arguments of the\n     * created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} predicate The predicate to negate.\n     * @returns {Function} Returns the new negated function.\n     * @example\n     *\n     * function isEven(n) {\n     *   return n % 2 == 0;\n     * }\n     *\n     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n     * // => [1, 3, 5]\n     */\n    function negate(predicate) {\n      if (typeof predicate != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return function() {\n        var args = arguments;\n        switch (args.length) {\n          case 0: return !predicate.call(this);\n          case 1: return !predicate.call(this, args[0]);\n          case 2: return !predicate.call(this, args[0], args[1]);\n          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n        }\n        return !predicate.apply(this, args);\n      };\n    }\n\n    /**\n     * Creates a function that is restricted to invoking `func` once. Repeat calls\n     * to the function return the value of the first invocation. The `func` is\n     * invoked with the `this` binding and arguments of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var initialize = _.once(createApplication);\n     * initialize();\n     * initialize();\n     * // => `createApplication` is invoked once\n     */\n    function once(func) {\n      return before(2, func);\n    }\n\n    /**\n     * Creates a function that invokes `func` with its arguments transformed.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to wrap.\n     * @param {...(Function|Function[])} [transforms=[_.identity]]\n     *  The argument transforms.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * function doubled(n) {\n     *   return n * 2;\n     * }\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var func = _.overArgs(function(x, y) {\n     *   return [x, y];\n     * }, [square, doubled]);\n     *\n     * func(9, 3);\n     * // => [81, 6]\n     *\n     * func(10, 5);\n     * // => [100, 10]\n     */\n    var overArgs = castRest(function(func, transforms) {\n      transforms = (transforms.length == 1 && isArray(transforms[0]))\n        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n      var funcsLength = transforms.length;\n      return baseRest(function(args) {\n        var index = -1,\n            length = nativeMin(args.length, funcsLength);\n\n        while (++index < length) {\n          args[index] = transforms[index].call(this, args[index]);\n        }\n        return apply(func, this, args);\n      });\n    });\n\n    /**\n     * Creates a function that invokes `func` with `partials` prepended to the\n     * arguments it receives. This method is like `_.bind` except it does **not**\n     * alter the `this` binding.\n     *\n     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.2.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var sayHelloTo = _.partial(greet, 'hello');\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     *\n     * // Partially applied with placeholders.\n     * var greetFred = _.partial(greet, _, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     */\n    var partial = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partial));\n      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * This method is like `_.partial` except that partially applied arguments\n     * are appended to the arguments it receives.\n     *\n     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var greetFred = _.partialRight(greet, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     *\n     * // Partially applied with placeholders.\n     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     */\n    var partialRight = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partialRight));\n      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments arranged according\n     * to the specified `indexes` where the argument value at the first index is\n     * provided as the first argument, the argument value at the second index is\n     * provided as the second argument, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to rearrange arguments for.\n     * @param {...(number|number[])} indexes The arranged argument indexes.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var rearged = _.rearg(function(a, b, c) {\n     *   return [a, b, c];\n     * }, [2, 0, 1]);\n     *\n     * rearged('b', 'c', 'a')\n     * // => ['a', 'b', 'c']\n     */\n    var rearg = flatRest(function(func, indexes) {\n      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n    });\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * created function and arguments from `start` and beyond provided as\n     * an array.\n     *\n     * **Note:** This method is based on the\n     * [rest parameter](https://mdn.io/rest_parameters).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.rest(function(what, names) {\n     *   return what + ' ' + _.initial(names).join(', ') +\n     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n     * });\n     *\n     * say('hello', 'fred', 'barney', 'pebbles');\n     * // => 'hello fred, barney, & pebbles'\n     */\n    function rest(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start === undefined ? start : toInteger(start);\n      return baseRest(func, start);\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * create function and an array of arguments much like\n     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n     *\n     * **Note:** This method is based on the\n     * [spread operator](https://mdn.io/spread_operator).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Function\n     * @param {Function} func The function to spread arguments over.\n     * @param {number} [start=0] The start position of the spread.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.spread(function(who, what) {\n     *   return who + ' says ' + what;\n     * });\n     *\n     * say(['fred', 'hello']);\n     * // => 'fred says hello'\n     *\n     * var numbers = Promise.all([\n     *   Promise.resolve(40),\n     *   Promise.resolve(36)\n     * ]);\n     *\n     * numbers.then(_.spread(function(x, y) {\n     *   return x + y;\n     * }));\n     * // => a Promise of 76\n     */\n    function spread(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n      return baseRest(function(args) {\n        var array = args[start],\n            otherArgs = castSlice(args, 0, start);\n\n        if (array) {\n          arrayPush(otherArgs, array);\n        }\n        return apply(func, this, otherArgs);\n      });\n    }\n\n    /**\n     * Creates a throttled function that only invokes `func` at most once per\n     * every `wait` milliseconds. The throttled function comes with a `cancel`\n     * method to cancel delayed `func` invocations and a `flush` method to\n     * immediately invoke them. Provide `options` to indicate whether `func`\n     * should be invoked on the leading and/or trailing edge of the `wait`\n     * timeout. The `func` is invoked with the last arguments provided to the\n     * throttled function. Subsequent calls to the throttled function return the\n     * result of the last `func` invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the throttled function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.throttle` and `_.debounce`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to throttle.\n     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=true]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new throttled function.\n     * @example\n     *\n     * // Avoid excessively updating the position while scrolling.\n     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n     *\n     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n     * jQuery(element).on('click', throttled);\n     *\n     * // Cancel the trailing throttled invocation.\n     * jQuery(window).on('popstate', throttled.cancel);\n     */\n    function throttle(func, wait, options) {\n      var leading = true,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      if (isObject(options)) {\n        leading = 'leading' in options ? !!options.leading : leading;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n      return debounce(func, wait, {\n        'leading': leading,\n        'maxWait': wait,\n        'trailing': trailing\n      });\n    }\n\n    /**\n     * Creates a function that accepts up to one argument, ignoring any\n     * additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.unary(parseInt));\n     * // => [6, 8, 10]\n     */\n    function unary(func) {\n      return ary(func, 1);\n    }\n\n    /**\n     * Creates a function that provides `value` to `wrapper` as its first\n     * argument. Any additional arguments provided to the function are appended\n     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n     * binding of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {*} value The value to wrap.\n     * @param {Function} [wrapper=identity] The wrapper function.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var p = _.wrap(_.escape, function(func, text) {\n     *   return '<p>' + func(text) + '</p>';\n     * });\n     *\n     * p('fred, barney, & pebbles');\n     * // => '<p>fred, barney, &amp; pebbles</p>'\n     */\n    function wrap(value, wrapper) {\n      return partial(castFunction(wrapper), value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Casts `value` as an array if it's not one.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Lang\n     * @param {*} value The value to inspect.\n     * @returns {Array} Returns the cast array.\n     * @example\n     *\n     * _.castArray(1);\n     * // => [1]\n     *\n     * _.castArray({ 'a': 1 });\n     * // => [{ 'a': 1 }]\n     *\n     * _.castArray('abc');\n     * // => ['abc']\n     *\n     * _.castArray(null);\n     * // => [null]\n     *\n     * _.castArray(undefined);\n     * // => [undefined]\n     *\n     * _.castArray();\n     * // => []\n     *\n     * var array = [1, 2, 3];\n     * console.log(_.castArray(array) === array);\n     * // => true\n     */\n    function castArray() {\n      if (!arguments.length) {\n        return [];\n      }\n      var value = arguments[0];\n      return isArray(value) ? value : [value];\n    }\n\n    /**\n     * Creates a shallow clone of `value`.\n     *\n     * **Note:** This method is loosely based on the\n     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n     * arrays. The own enumerable properties of `arguments` objects are cloned\n     * as plain objects. An empty object is returned for uncloneable values such\n     * as error objects, functions, DOM nodes, and WeakMaps.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeep\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var shallow = _.clone(objects);\n     * console.log(shallow[0] === objects[0]);\n     * // => true\n     */\n    function clone(value) {\n      return baseClone(value, CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.clone` except that it accepts `customizer` which\n     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n     * cloning is handled by the method instead. The `customizer` is invoked with\n     * up to four arguments; (value [, index|key, object, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeepWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(false);\n     *   }\n     * }\n     *\n     * var el = _.cloneWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 0\n     */\n    function cloneWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * This method is like `_.clone` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.clone\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var deep = _.cloneDeep(objects);\n     * console.log(deep[0] === objects[0]);\n     * // => false\n     */\n    function cloneDeep(value) {\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.cloneWith` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.cloneWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(true);\n     *   }\n     * }\n     *\n     * var el = _.cloneDeepWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 20\n     */\n    function cloneDeepWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * Checks if `object` conforms to `source` by invoking the predicate\n     * properties of `source` with the corresponding property values of `object`.\n     *\n     * **Note:** This method is equivalent to `_.conforms` when `source` is\n     * partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n     * // => true\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n     * // => false\n     */\n    function conformsTo(object, source) {\n      return source == null || baseConformsTo(object, source, keys(source));\n    }\n\n    /**\n     * Performs a\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * comparison between two values to determine if they are equivalent.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.eq(object, object);\n     * // => true\n     *\n     * _.eq(object, other);\n     * // => false\n     *\n     * _.eq('a', 'a');\n     * // => true\n     *\n     * _.eq('a', Object('a'));\n     * // => false\n     *\n     * _.eq(NaN, NaN);\n     * // => true\n     */\n    function eq(value, other) {\n      return value === other || (value !== value && other !== other);\n    }\n\n    /**\n     * Checks if `value` is greater than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     * @see _.lt\n     * @example\n     *\n     * _.gt(3, 1);\n     * // => true\n     *\n     * _.gt(3, 3);\n     * // => false\n     *\n     * _.gt(1, 3);\n     * // => false\n     */\n    var gt = createRelationalOperation(baseGt);\n\n    /**\n     * Checks if `value` is greater than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n     *  `other`, else `false`.\n     * @see _.lte\n     * @example\n     *\n     * _.gte(3, 1);\n     * // => true\n     *\n     * _.gte(3, 3);\n     * // => true\n     *\n     * _.gte(1, 3);\n     * // => false\n     */\n    var gte = createRelationalOperation(function(value, other) {\n      return value >= other;\n    });\n\n    /**\n     * Checks if `value` is likely an `arguments` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArguments(function() { return arguments; }());\n     * // => true\n     *\n     * _.isArguments([1, 2, 3]);\n     * // => false\n     */\n    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n        !propertyIsEnumerable.call(value, 'callee');\n    };\n\n    /**\n     * Checks if `value` is classified as an `Array` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n     * @example\n     *\n     * _.isArray([1, 2, 3]);\n     * // => true\n     *\n     * _.isArray(document.body.children);\n     * // => false\n     *\n     * _.isArray('abc');\n     * // => false\n     *\n     * _.isArray(_.noop);\n     * // => false\n     */\n    var isArray = Array.isArray;\n\n    /**\n     * Checks if `value` is classified as an `ArrayBuffer` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     * @example\n     *\n     * _.isArrayBuffer(new ArrayBuffer(2));\n     * // => true\n     *\n     * _.isArrayBuffer(new Array(2));\n     * // => false\n     */\n    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n    /**\n     * Checks if `value` is array-like. A value is considered array-like if it's\n     * not a function and has a `value.length` that's an integer greater than or\n     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n     * @example\n     *\n     * _.isArrayLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLike(document.body.children);\n     * // => true\n     *\n     * _.isArrayLike('abc');\n     * // => true\n     *\n     * _.isArrayLike(_.noop);\n     * // => false\n     */\n    function isArrayLike(value) {\n      return value != null && isLength(value.length) && !isFunction(value);\n    }\n\n    /**\n     * This method is like `_.isArrayLike` except that it also checks if `value`\n     * is an object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array-like object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArrayLikeObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLikeObject(document.body.children);\n     * // => true\n     *\n     * _.isArrayLikeObject('abc');\n     * // => false\n     *\n     * _.isArrayLikeObject(_.noop);\n     * // => false\n     */\n    function isArrayLikeObject(value) {\n      return isObjectLike(value) && isArrayLike(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a boolean primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n     * @example\n     *\n     * _.isBoolean(false);\n     * // => true\n     *\n     * _.isBoolean(null);\n     * // => false\n     */\n    function isBoolean(value) {\n      return value === true || value === false ||\n        (isObjectLike(value) && baseGetTag(value) == boolTag);\n    }\n\n    /**\n     * Checks if `value` is a buffer.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n     * @example\n     *\n     * _.isBuffer(new Buffer(2));\n     * // => true\n     *\n     * _.isBuffer(new Uint8Array(2));\n     * // => false\n     */\n    var isBuffer = nativeIsBuffer || stubFalse;\n\n    /**\n     * Checks if `value` is classified as a `Date` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     * @example\n     *\n     * _.isDate(new Date);\n     * // => true\n     *\n     * _.isDate('Mon April 23 2012');\n     * // => false\n     */\n    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n    /**\n     * Checks if `value` is likely a DOM element.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n     * @example\n     *\n     * _.isElement(document.body);\n     * // => true\n     *\n     * _.isElement('<body>');\n     * // => false\n     */\n    function isElement(value) {\n      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n    }\n\n    /**\n     * Checks if `value` is an empty object, collection, map, or set.\n     *\n     * Objects are considered empty if they have no own enumerable string keyed\n     * properties.\n     *\n     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n     * jQuery-like collections are considered empty if they have a `length` of `0`.\n     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n     * @example\n     *\n     * _.isEmpty(null);\n     * // => true\n     *\n     * _.isEmpty(true);\n     * // => true\n     *\n     * _.isEmpty(1);\n     * // => true\n     *\n     * _.isEmpty([1, 2, 3]);\n     * // => false\n     *\n     * _.isEmpty({ 'a': 1 });\n     * // => false\n     */\n    function isEmpty(value) {\n      if (value == null) {\n        return true;\n      }\n      if (isArrayLike(value) &&\n          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n        return !value.length;\n      }\n      var tag = getTag(value);\n      if (tag == mapTag || tag == setTag) {\n        return !value.size;\n      }\n      if (isPrototype(value)) {\n        return !baseKeys(value).length;\n      }\n      for (var key in value) {\n        if (hasOwnProperty.call(value, key)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * Performs a deep comparison between two values to determine if they are\n     * equivalent.\n     *\n     * **Note:** This method supports comparing arrays, array buffers, booleans,\n     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n     * by their own, not inherited, enumerable properties. Functions and DOM\n     * nodes are compared by strict equality, i.e. `===`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.isEqual(object, other);\n     * // => true\n     *\n     * object === other;\n     * // => false\n     */\n    function isEqual(value, other) {\n      return baseIsEqual(value, other);\n    }\n\n    /**\n     * This method is like `_.isEqual` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with up to\n     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, othValue) {\n     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var array = ['hello', 'goodbye'];\n     * var other = ['hi', 'goodbye'];\n     *\n     * _.isEqualWith(array, other, customizer);\n     * // => true\n     */\n    function isEqualWith(value, other, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      var result = customizer ? customizer(value, other) : undefined;\n      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n    }\n\n    /**\n     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n     * `SyntaxError`, `TypeError`, or `URIError` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n     * @example\n     *\n     * _.isError(new Error);\n     * // => true\n     *\n     * _.isError(Error);\n     * // => false\n     */\n    function isError(value) {\n      if (!isObjectLike(value)) {\n        return false;\n      }\n      var tag = baseGetTag(value);\n      return tag == errorTag || tag == domExcTag ||\n        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n    }\n\n    /**\n     * Checks if `value` is a finite primitive number.\n     *\n     * **Note:** This method is based on\n     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n     * @example\n     *\n     * _.isFinite(3);\n     * // => true\n     *\n     * _.isFinite(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isFinite(Infinity);\n     * // => false\n     *\n     * _.isFinite('3');\n     * // => false\n     */\n    function isFinite(value) {\n      return typeof value == 'number' && nativeIsFinite(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Function` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n     * @example\n     *\n     * _.isFunction(_);\n     * // => true\n     *\n     * _.isFunction(/abc/);\n     * // => false\n     */\n    function isFunction(value) {\n      if (!isObject(value)) {\n        return false;\n      }\n      // The use of `Object#toString` avoids issues with the `typeof` operator\n      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n      var tag = baseGetTag(value);\n      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n    }\n\n    /**\n     * Checks if `value` is an integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n     * @example\n     *\n     * _.isInteger(3);\n     * // => true\n     *\n     * _.isInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isInteger(Infinity);\n     * // => false\n     *\n     * _.isInteger('3');\n     * // => false\n     */\n    function isInteger(value) {\n      return typeof value == 'number' && value == toInteger(value);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like length.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n     * @example\n     *\n     * _.isLength(3);\n     * // => true\n     *\n     * _.isLength(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isLength(Infinity);\n     * // => false\n     *\n     * _.isLength('3');\n     * // => false\n     */\n    function isLength(value) {\n      return typeof value == 'number' &&\n        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is the\n     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n     * @example\n     *\n     * _.isObject({});\n     * // => true\n     *\n     * _.isObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isObject(_.noop);\n     * // => true\n     *\n     * _.isObject(null);\n     * // => false\n     */\n    function isObject(value) {\n      var type = typeof value;\n      return value != null && (type == 'object' || type == 'function');\n    }\n\n    /**\n     * Checks if `value` is object-like. A value is object-like if it's not `null`\n     * and has a `typeof` result of \"object\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n     * @example\n     *\n     * _.isObjectLike({});\n     * // => true\n     *\n     * _.isObjectLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isObjectLike(_.noop);\n     * // => false\n     *\n     * _.isObjectLike(null);\n     * // => false\n     */\n    function isObjectLike(value) {\n      return value != null && typeof value == 'object';\n    }\n\n    /**\n     * Checks if `value` is classified as a `Map` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     * @example\n     *\n     * _.isMap(new Map);\n     * // => true\n     *\n     * _.isMap(new WeakMap);\n     * // => false\n     */\n    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n    /**\n     * Performs a partial deep comparison between `object` and `source` to\n     * determine if `object` contains equivalent property values.\n     *\n     * **Note:** This method is equivalent to `_.matches` when `source` is\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.isMatch(object, { 'b': 2 });\n     * // => true\n     *\n     * _.isMatch(object, { 'b': 1 });\n     * // => false\n     */\n    function isMatch(object, source) {\n      return object === source || baseIsMatch(object, source, getMatchData(source));\n    }\n\n    /**\n     * This method is like `_.isMatch` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with five\n     * arguments: (objValue, srcValue, index|key, object, source).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var object = { 'greeting': 'hello' };\n     * var source = { 'greeting': 'hi' };\n     *\n     * _.isMatchWith(object, source, customizer);\n     * // => true\n     */\n    function isMatchWith(object, source, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseIsMatch(object, source, getMatchData(source), customizer);\n    }\n\n    /**\n     * Checks if `value` is `NaN`.\n     *\n     * **Note:** This method is based on\n     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n     * `undefined` and other non-number values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n     * @example\n     *\n     * _.isNaN(NaN);\n     * // => true\n     *\n     * _.isNaN(new Number(NaN));\n     * // => true\n     *\n     * isNaN(undefined);\n     * // => true\n     *\n     * _.isNaN(undefined);\n     * // => false\n     */\n    function isNaN(value) {\n      // An `NaN` primitive is the only value that is not equal to itself.\n      // Perform the `toStringTag` check first to avoid errors with some\n      // ActiveX objects in IE.\n      return isNumber(value) && value != +value;\n    }\n\n    /**\n     * Checks if `value` is a pristine native function.\n     *\n     * **Note:** This method can't reliably detect native functions in the presence\n     * of the core-js package because core-js circumvents this kind of detection.\n     * Despite multiple requests, the core-js maintainer has made it clear: any\n     * attempt to fix the detection will be obstructed. As a result, we're left\n     * with little choice but to throw an error. Unfortunately, this also affects\n     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n     * which rely on core-js.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     * @example\n     *\n     * _.isNative(Array.prototype.push);\n     * // => true\n     *\n     * _.isNative(_);\n     * // => false\n     */\n    function isNative(value) {\n      if (isMaskable(value)) {\n        throw new Error(CORE_ERROR_TEXT);\n      }\n      return baseIsNative(value);\n    }\n\n    /**\n     * Checks if `value` is `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n     * @example\n     *\n     * _.isNull(null);\n     * // => true\n     *\n     * _.isNull(void 0);\n     * // => false\n     */\n    function isNull(value) {\n      return value === null;\n    }\n\n    /**\n     * Checks if `value` is `null` or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n     * @example\n     *\n     * _.isNil(null);\n     * // => true\n     *\n     * _.isNil(void 0);\n     * // => true\n     *\n     * _.isNil(NaN);\n     * // => false\n     */\n    function isNil(value) {\n      return value == null;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Number` primitive or object.\n     *\n     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n     * classified as numbers, use the `_.isFinite` method.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n     * @example\n     *\n     * _.isNumber(3);\n     * // => true\n     *\n     * _.isNumber(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isNumber(Infinity);\n     * // => true\n     *\n     * _.isNumber('3');\n     * // => false\n     */\n    function isNumber(value) {\n      return typeof value == 'number' ||\n        (isObjectLike(value) && baseGetTag(value) == numberTag);\n    }\n\n    /**\n     * Checks if `value` is a plain object, that is, an object created by the\n     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.8.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * _.isPlainObject(new Foo);\n     * // => false\n     *\n     * _.isPlainObject([1, 2, 3]);\n     * // => false\n     *\n     * _.isPlainObject({ 'x': 0, 'y': 0 });\n     * // => true\n     *\n     * _.isPlainObject(Object.create(null));\n     * // => true\n     */\n    function isPlainObject(value) {\n      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n        return false;\n      }\n      var proto = getPrototype(value);\n      if (proto === null) {\n        return true;\n      }\n      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n        funcToString.call(Ctor) == objectCtorString;\n    }\n\n    /**\n     * Checks if `value` is classified as a `RegExp` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     * @example\n     *\n     * _.isRegExp(/abc/);\n     * // => true\n     *\n     * _.isRegExp('/abc/');\n     * // => false\n     */\n    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n    /**\n     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n     * double precision number which isn't the result of a rounded unsafe integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n     * @example\n     *\n     * _.isSafeInteger(3);\n     * // => true\n     *\n     * _.isSafeInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isSafeInteger(Infinity);\n     * // => false\n     *\n     * _.isSafeInteger('3');\n     * // => false\n     */\n    function isSafeInteger(value) {\n      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Set` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     * @example\n     *\n     * _.isSet(new Set);\n     * // => true\n     *\n     * _.isSet(new WeakSet);\n     * // => false\n     */\n    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n    /**\n     * Checks if `value` is classified as a `String` primitive or object.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n     * @example\n     *\n     * _.isString('abc');\n     * // => true\n     *\n     * _.isString(1);\n     * // => false\n     */\n    function isString(value) {\n      return typeof value == 'string' ||\n        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Symbol` primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n     * @example\n     *\n     * _.isSymbol(Symbol.iterator);\n     * // => true\n     *\n     * _.isSymbol('abc');\n     * // => false\n     */\n    function isSymbol(value) {\n      return typeof value == 'symbol' ||\n        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a typed array.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     * @example\n     *\n     * _.isTypedArray(new Uint8Array);\n     * // => true\n     *\n     * _.isTypedArray([]);\n     * // => false\n     */\n    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n    /**\n     * Checks if `value` is `undefined`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n     * @example\n     *\n     * _.isUndefined(void 0);\n     * // => true\n     *\n     * _.isUndefined(null);\n     * // => false\n     */\n    function isUndefined(value) {\n      return value === undefined;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakMap` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n     * @example\n     *\n     * _.isWeakMap(new WeakMap);\n     * // => true\n     *\n     * _.isWeakMap(new Map);\n     * // => false\n     */\n    function isWeakMap(value) {\n      return isObjectLike(value) && getTag(value) == weakMapTag;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakSet` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n     * @example\n     *\n     * _.isWeakSet(new WeakSet);\n     * // => true\n     *\n     * _.isWeakSet(new Set);\n     * // => false\n     */\n    function isWeakSet(value) {\n      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n    }\n\n    /**\n     * Checks if `value` is less than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     * @see _.gt\n     * @example\n     *\n     * _.lt(1, 3);\n     * // => true\n     *\n     * _.lt(3, 3);\n     * // => false\n     *\n     * _.lt(3, 1);\n     * // => false\n     */\n    var lt = createRelationalOperation(baseLt);\n\n    /**\n     * Checks if `value` is less than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than or equal to\n     *  `other`, else `false`.\n     * @see _.gte\n     * @example\n     *\n     * _.lte(1, 3);\n     * // => true\n     *\n     * _.lte(3, 3);\n     * // => true\n     *\n     * _.lte(3, 1);\n     * // => false\n     */\n    var lte = createRelationalOperation(function(value, other) {\n      return value <= other;\n    });\n\n    /**\n     * Converts `value` to an array.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the converted array.\n     * @example\n     *\n     * _.toArray({ 'a': 1, 'b': 2 });\n     * // => [1, 2]\n     *\n     * _.toArray('abc');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toArray(1);\n     * // => []\n     *\n     * _.toArray(null);\n     * // => []\n     */\n    function toArray(value) {\n      if (!value) {\n        return [];\n      }\n      if (isArrayLike(value)) {\n        return isString(value) ? stringToArray(value) : copyArray(value);\n      }\n      if (symIterator && value[symIterator]) {\n        return iteratorToArray(value[symIterator]());\n      }\n      var tag = getTag(value),\n          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n      return func(value);\n    }\n\n    /**\n     * Converts `value` to a finite number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.12.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted number.\n     * @example\n     *\n     * _.toFinite(3.2);\n     * // => 3.2\n     *\n     * _.toFinite(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toFinite(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toFinite('3.2');\n     * // => 3.2\n     */\n    function toFinite(value) {\n      if (!value) {\n        return value === 0 ? value : 0;\n      }\n      value = toNumber(value);\n      if (value === INFINITY || value === -INFINITY) {\n        var sign = (value < 0 ? -1 : 1);\n        return sign * MAX_INTEGER;\n      }\n      return value === value ? value : 0;\n    }\n\n    /**\n     * Converts `value` to an integer.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toInteger(3.2);\n     * // => 3\n     *\n     * _.toInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toInteger(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toInteger('3.2');\n     * // => 3\n     */\n    function toInteger(value) {\n      var result = toFinite(value),\n          remainder = result % 1;\n\n      return result === result ? (remainder ? result - remainder : result) : 0;\n    }\n\n    /**\n     * Converts `value` to an integer suitable for use as the length of an\n     * array-like object.\n     *\n     * **Note:** This method is based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toLength(3.2);\n     * // => 3\n     *\n     * _.toLength(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toLength(Infinity);\n     * // => 4294967295\n     *\n     * _.toLength('3.2');\n     * // => 3\n     */\n    function toLength(value) {\n      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n    }\n\n    /**\n     * Converts `value` to a number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     * @example\n     *\n     * _.toNumber(3.2);\n     * // => 3.2\n     *\n     * _.toNumber(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toNumber(Infinity);\n     * // => Infinity\n     *\n     * _.toNumber('3.2');\n     * // => 3.2\n     */\n    function toNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      if (isObject(value)) {\n        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n        value = isObject(other) ? (other + '') : other;\n      }\n      if (typeof value != 'string') {\n        return value === 0 ? value : +value;\n      }\n      value = value.replace(reTrim, '');\n      var isBinary = reIsBinary.test(value);\n      return (isBinary || reIsOctal.test(value))\n        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n        : (reIsBadHex.test(value) ? NAN : +value);\n    }\n\n    /**\n     * Converts `value` to a plain object flattening inherited enumerable string\n     * keyed properties of `value` to own properties of the plain object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Object} Returns the converted plain object.\n     * @example\n     *\n     * function Foo() {\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.assign({ 'a': 1 }, new Foo);\n     * // => { 'a': 1, 'b': 2 }\n     *\n     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n     * // => { 'a': 1, 'b': 2, 'c': 3 }\n     */\n    function toPlainObject(value) {\n      return copyObject(value, keysIn(value));\n    }\n\n    /**\n     * Converts `value` to a safe integer. A safe integer can be compared and\n     * represented correctly.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toSafeInteger(3.2);\n     * // => 3\n     *\n     * _.toSafeInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toSafeInteger(Infinity);\n     * // => 9007199254740991\n     *\n     * _.toSafeInteger('3.2');\n     * // => 3\n     */\n    function toSafeInteger(value) {\n      return value\n        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n        : (value === 0 ? value : 0);\n    }\n\n    /**\n     * Converts `value` to a string. An empty string is returned for `null`\n     * and `undefined` values. The sign of `-0` is preserved.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.toString(null);\n     * // => ''\n     *\n     * _.toString(-0);\n     * // => '-0'\n     *\n     * _.toString([1, 2, 3]);\n     * // => '1,2,3'\n     */\n    function toString(value) {\n      return value == null ? '' : baseToString(value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Assigns own enumerable string keyed properties of source objects to the\n     * destination object. Source objects are applied from left to right.\n     * Subsequent sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object` and is loosely based on\n     * [`Object.assign`](https://mdn.io/Object/assign).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assignIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assign({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var assign = createAssigner(function(object, source) {\n      if (isPrototype(source) || isArrayLike(source)) {\n        copyObject(source, keys(source), object);\n        return;\n      }\n      for (var key in source) {\n        if (hasOwnProperty.call(source, key)) {\n          assignValue(object, key, source[key]);\n        }\n      }\n    });\n\n    /**\n     * This method is like `_.assign` except that it iterates over own and\n     * inherited source properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extend\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assign\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n     */\n    var assignIn = createAssigner(function(object, source) {\n      copyObject(source, keysIn(source), object);\n    });\n\n    /**\n     * This method is like `_.assignIn` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extendWith\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignInWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keysIn(source), object, customizer);\n    });\n\n    /**\n     * This method is like `_.assign` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignInWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keys(source), object, customizer);\n    });\n\n    /**\n     * Creates an array of values corresponding to `paths` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Array} Returns the picked values.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _.at(object, ['a[0].b.c', 'a[1]']);\n     * // => [3, 4]\n     */\n    var at = flatRest(baseAt);\n\n    /**\n     * Creates an object that inherits from the `prototype` object. If a\n     * `properties` object is given, its own enumerable string keyed properties\n     * are assigned to the created object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Object\n     * @param {Object} prototype The object to inherit from.\n     * @param {Object} [properties] The properties to assign to the object.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * function Shape() {\n     *   this.x = 0;\n     *   this.y = 0;\n     * }\n     *\n     * function Circle() {\n     *   Shape.call(this);\n     * }\n     *\n     * Circle.prototype = _.create(Shape.prototype, {\n     *   'constructor': Circle\n     * });\n     *\n     * var circle = new Circle;\n     * circle instanceof Circle;\n     * // => true\n     *\n     * circle instanceof Shape;\n     * // => true\n     */\n    function create(prototype, properties) {\n      var result = baseCreate(prototype);\n      return properties == null ? result : baseAssign(result, properties);\n    }\n\n    /**\n     * Assigns own and inherited enumerable string keyed properties of source\n     * objects to the destination object for all destination properties that\n     * resolve to `undefined`. Source objects are applied from left to right.\n     * Once a property is set, additional values of the same property are ignored.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaultsDeep\n     * @example\n     *\n     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var defaults = baseRest(function(args) {\n      args.push(undefined, customDefaultsAssignIn);\n      return apply(assignInWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.defaults` except that it recursively assigns\n     * default properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaults\n     * @example\n     *\n     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n     * // => { 'a': { 'b': 2, 'c': 3 } }\n     */\n    var defaultsDeep = baseRest(function(args) {\n      args.push(undefined, customDefaultsMerge);\n      return apply(mergeWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.find` except that it returns the key of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findKey(users, function(o) { return o.age < 40; });\n     * // => 'barney' (iteration order is not guaranteed)\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findKey(users, { 'age': 1, 'active': true });\n     * // => 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findKey(users, 'active');\n     * // => 'barney'\n     */\n    function findKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n    }\n\n    /**\n     * This method is like `_.findKey` except that it iterates over elements of\n     * a collection in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findLastKey(users, function(o) { return o.age < 40; });\n     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastKey(users, { 'age': 36, 'active': true });\n     * // => 'barney'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastKey(users, 'active');\n     * // => 'pebbles'\n     */\n    function findLastKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n    }\n\n    /**\n     * Iterates over own and inherited enumerable string keyed properties of an\n     * object and invokes `iteratee` for each property. The iteratee is invoked\n     * with three arguments: (value, key, object). Iteratee functions may exit\n     * iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forInRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forIn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n     */\n    function forIn(object, iteratee) {\n      return object == null\n        ? object\n        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * This method is like `_.forIn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forInRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n     */\n    function forInRight(object, iteratee) {\n      return object == null\n        ? object\n        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * Iterates over own enumerable string keyed properties of an object and\n     * invokes `iteratee` for each property. The iteratee is invoked with three\n     * arguments: (value, key, object). Iteratee functions may exit iteration\n     * early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwnRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forOwn(object, iteratee) {\n      return object && baseForOwn(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forOwn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwnRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n     */\n    function forOwnRight(object, iteratee) {\n      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an array of function property names from own enumerable properties\n     * of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functionsIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functions(new Foo);\n     * // => ['a', 'b']\n     */\n    function functions(object) {\n      return object == null ? [] : baseFunctions(object, keys(object));\n    }\n\n    /**\n     * Creates an array of function property names from own and inherited\n     * enumerable properties of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functions\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functionsIn(new Foo);\n     * // => ['a', 'b', 'c']\n     */\n    function functionsIn(object) {\n      return object == null ? [] : baseFunctions(object, keysIn(object));\n    }\n\n    /**\n     * Gets the value at `path` of `object`. If the resolved value is\n     * `undefined`, the `defaultValue` is returned in its place.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.get(object, 'a[0].b.c');\n     * // => 3\n     *\n     * _.get(object, ['a', '0', 'b', 'c']);\n     * // => 3\n     *\n     * _.get(object, 'a.b.c', 'default');\n     * // => 'default'\n     */\n    function get(object, path, defaultValue) {\n      var result = object == null ? undefined : baseGet(object, path);\n      return result === undefined ? defaultValue : result;\n    }\n\n    /**\n     * Checks if `path` is a direct property of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = { 'a': { 'b': 2 } };\n     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.has(object, 'a');\n     * // => true\n     *\n     * _.has(object, 'a.b');\n     * // => true\n     *\n     * _.has(object, ['a', 'b']);\n     * // => true\n     *\n     * _.has(other, 'a');\n     * // => false\n     */\n    function has(object, path) {\n      return object != null && hasPath(object, path, baseHas);\n    }\n\n    /**\n     * Checks if `path` is a direct or inherited property of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.hasIn(object, 'a');\n     * // => true\n     *\n     * _.hasIn(object, 'a.b');\n     * // => true\n     *\n     * _.hasIn(object, ['a', 'b']);\n     * // => true\n     *\n     * _.hasIn(object, 'b');\n     * // => false\n     */\n    function hasIn(object, path) {\n      return object != null && hasPath(object, path, baseHasIn);\n    }\n\n    /**\n     * Creates an object composed of the inverted keys and values of `object`.\n     * If `object` contains duplicate values, subsequent values overwrite\n     * property assignments of previous values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invert(object);\n     * // => { '1': 'c', '2': 'b' }\n     */\n    var invert = createInverter(function(result, value, key) {\n      result[value] = key;\n    }, constant(identity));\n\n    /**\n     * This method is like `_.invert` except that the inverted object is generated\n     * from the results of running each element of `object` thru `iteratee`. The\n     * corresponding inverted value of each inverted key is an array of keys\n     * responsible for generating the inverted value. The iteratee is invoked\n     * with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invertBy(object);\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     *\n     * _.invertBy(object, function(value) {\n     *   return 'group' + value;\n     * });\n     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n     */\n    var invertBy = createInverter(function(result, value, key) {\n      if (hasOwnProperty.call(result, value)) {\n        result[value].push(key);\n      } else {\n        result[value] = [key];\n      }\n    }, getIteratee);\n\n    /**\n     * Invokes the method at `path` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n     *\n     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n     * // => [2, 3]\n     */\n    var invoke = baseRest(baseInvoke);\n\n    /**\n     * Creates an array of the own enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects. See the\n     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * for more details.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keys(new Foo);\n     * // => ['a', 'b'] (iteration order is not guaranteed)\n     *\n     * _.keys('hi');\n     * // => ['0', '1']\n     */\n    function keys(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keysIn(new Foo);\n     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n     */\n    function keysIn(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n    }\n\n    /**\n     * The opposite of `_.mapValues`; this method creates an object with the\n     * same values as `object` and keys generated by running each own enumerable\n     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n     * with three arguments: (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapValues\n     * @example\n     *\n     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   return key + value;\n     * });\n     * // => { 'a1': 1, 'b2': 2 }\n     */\n    function mapKeys(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, iteratee(value, key, object), value);\n      });\n      return result;\n    }\n\n    /**\n     * Creates an object with the same keys as `object` and values generated\n     * by running each own enumerable string keyed property of `object` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapKeys\n     * @example\n     *\n     * var users = {\n     *   'fred':    { 'user': 'fred',    'age': 40 },\n     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n     * };\n     *\n     * _.mapValues(users, function(o) { return o.age; });\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.mapValues(users, 'age');\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     */\n    function mapValues(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, key, iteratee(value, key, object));\n      });\n      return result;\n    }\n\n    /**\n     * This method is like `_.assign` except that it recursively merges own and\n     * inherited enumerable string keyed properties of source objects into the\n     * destination object. Source properties that resolve to `undefined` are\n     * skipped if a destination value exists. Array and plain object properties\n     * are merged recursively. Other objects and value types are overridden by\n     * assignment. Source objects are applied from left to right. Subsequent\n     * sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {\n     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n     * };\n     *\n     * var other = {\n     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n     * };\n     *\n     * _.merge(object, other);\n     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n     */\n    var merge = createAssigner(function(object, source, srcIndex) {\n      baseMerge(object, source, srcIndex);\n    });\n\n    /**\n     * This method is like `_.merge` except that it accepts `customizer` which\n     * is invoked to produce the merged values of the destination and source\n     * properties. If `customizer` returns `undefined`, merging is handled by the\n     * method instead. The `customizer` is invoked with six arguments:\n     * (objValue, srcValue, key, object, source, stack).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} customizer The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (_.isArray(objValue)) {\n     *     return objValue.concat(srcValue);\n     *   }\n     * }\n     *\n     * var object = { 'a': [1], 'b': [2] };\n     * var other = { 'a': [3], 'b': [4] };\n     *\n     * _.mergeWith(object, other, customizer);\n     * // => { 'a': [1, 3], 'b': [2, 4] }\n     */\n    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n      baseMerge(object, source, srcIndex, customizer);\n    });\n\n    /**\n     * The opposite of `_.pick`; this method creates an object composed of the\n     * own and inherited enumerable property paths of `object` that are not omitted.\n     *\n     * **Note:** This method is considerably slower than `_.pick`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to omit.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omit(object, ['a', 'c']);\n     * // => { 'b': '2' }\n     */\n    var omit = flatRest(function(object, paths) {\n      var result = {};\n      if (object == null) {\n        return result;\n      }\n      var isDeep = false;\n      paths = arrayMap(paths, function(path) {\n        path = castPath(path, object);\n        isDeep || (isDeep = path.length > 1);\n        return path;\n      });\n      copyObject(object, getAllKeysIn(object), result);\n      if (isDeep) {\n        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n      }\n      var length = paths.length;\n      while (length--) {\n        baseUnset(result, paths[length]);\n      }\n      return result;\n    });\n\n    /**\n     * The opposite of `_.pickBy`; this method creates an object composed of\n     * the own and inherited enumerable string keyed properties of `object` that\n     * `predicate` doesn't return truthy for. The predicate is invoked with two\n     * arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omitBy(object, _.isNumber);\n     * // => { 'b': '2' }\n     */\n    function omitBy(object, predicate) {\n      return pickBy(object, negate(getIteratee(predicate)));\n    }\n\n    /**\n     * Creates an object composed of the picked `object` properties.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pick(object, ['a', 'c']);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var pick = flatRest(function(object, paths) {\n      return object == null ? {} : basePick(object, paths);\n    });\n\n    /**\n     * Creates an object composed of the `object` properties `predicate` returns\n     * truthy for. The predicate is invoked with two arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pickBy(object, _.isNumber);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    function pickBy(object, predicate) {\n      if (object == null) {\n        return {};\n      }\n      var props = arrayMap(getAllKeysIn(object), function(prop) {\n        return [prop];\n      });\n      predicate = getIteratee(predicate);\n      return basePickBy(object, props, function(value, path) {\n        return predicate(value, path[0]);\n      });\n    }\n\n    /**\n     * This method is like `_.get` except that if the resolved value is a\n     * function it's invoked with the `this` binding of its parent object and\n     * its result is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to resolve.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n     *\n     * _.result(object, 'a[0].b.c1');\n     * // => 3\n     *\n     * _.result(object, 'a[0].b.c2');\n     * // => 4\n     *\n     * _.result(object, 'a[0].b.c3', 'default');\n     * // => 'default'\n     *\n     * _.result(object, 'a[0].b.c3', _.constant('default'));\n     * // => 'default'\n     */\n    function result(object, path, defaultValue) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length;\n\n      // Ensure the loop is entered when path is empty.\n      if (!length) {\n        length = 1;\n        object = undefined;\n      }\n      while (++index < length) {\n        var value = object == null ? undefined : object[toKey(path[index])];\n        if (value === undefined) {\n          index = length;\n          value = defaultValue;\n        }\n        object = isFunction(value) ? value.call(object) : value;\n      }\n      return object;\n    }\n\n    /**\n     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n     * it's created. Arrays are created for missing index properties while objects\n     * are created for all other missing properties. Use `_.setWith` to customize\n     * `path` creation.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.set(object, 'a[0].b.c', 4);\n     * console.log(object.a[0].b.c);\n     * // => 4\n     *\n     * _.set(object, ['x', '0', 'y', 'z'], 5);\n     * console.log(object.x[0].y.z);\n     * // => 5\n     */\n    function set(object, path, value) {\n      return object == null ? object : baseSet(object, path, value);\n    }\n\n    /**\n     * This method is like `_.set` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.setWith(object, '[0][1]', 'a', Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function setWith(object, path, value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseSet(object, path, value, customizer);\n    }\n\n    /**\n     * Creates an array of own enumerable string keyed-value pairs for `object`\n     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n     * entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entries\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairs(new Foo);\n     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n     */\n    var toPairs = createToPairs(keys);\n\n    /**\n     * Creates an array of own and inherited enumerable string keyed-value pairs\n     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n     * or set, its entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entriesIn\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairsIn(new Foo);\n     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n     */\n    var toPairsIn = createToPairs(keysIn);\n\n    /**\n     * An alternative to `_.reduce`; this method transforms `object` to a new\n     * `accumulator` object which is the result of running each of its own\n     * enumerable string keyed properties thru `iteratee`, with each invocation\n     * potentially mutating the `accumulator` object. If `accumulator` is not\n     * provided, a new object with the same `[[Prototype]]` will be used. The\n     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The custom accumulator value.\n     * @returns {*} Returns the accumulated value.\n     * @example\n     *\n     * _.transform([2, 3, 4], function(result, n) {\n     *   result.push(n *= n);\n     *   return n % 2 == 0;\n     * }, []);\n     * // => [4, 9]\n     *\n     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     */\n    function transform(object, iteratee, accumulator) {\n      var isArr = isArray(object),\n          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n      iteratee = getIteratee(iteratee, 4);\n      if (accumulator == null) {\n        var Ctor = object && object.constructor;\n        if (isArrLike) {\n          accumulator = isArr ? new Ctor : [];\n        }\n        else if (isObject(object)) {\n          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n        }\n        else {\n          accumulator = {};\n        }\n      }\n      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n        return iteratee(accumulator, value, index, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * Removes the property at `path` of `object`.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n     * _.unset(object, 'a[0].b.c');\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     *\n     * _.unset(object, ['a', '0', 'b', 'c']);\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     */\n    function unset(object, path) {\n      return object == null ? true : baseUnset(object, path);\n    }\n\n    /**\n     * This method is like `_.set` except that accepts `updater` to produce the\n     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n     * is invoked with one argument: (value).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n     * console.log(object.a[0].b.c);\n     * // => 9\n     *\n     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n     * console.log(object.x[0].y.z);\n     * // => 0\n     */\n    function update(object, path, updater) {\n      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n    }\n\n    /**\n     * This method is like `_.update` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function updateWith(object, path, updater, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n    }\n\n    /**\n     * Creates an array of the own enumerable string keyed property values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.values(new Foo);\n     * // => [1, 2] (iteration order is not guaranteed)\n     *\n     * _.values('hi');\n     * // => ['h', 'i']\n     */\n    function values(object) {\n      return object == null ? [] : baseValues(object, keys(object));\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable string keyed property\n     * values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.valuesIn(new Foo);\n     * // => [1, 2, 3] (iteration order is not guaranteed)\n     */\n    function valuesIn(object) {\n      return object == null ? [] : baseValues(object, keysIn(object));\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Number\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     * @example\n     *\n     * _.clamp(-10, -5, 5);\n     * // => -5\n     *\n     * _.clamp(10, -5, 5);\n     * // => 5\n     */\n    function clamp(number, lower, upper) {\n      if (upper === undefined) {\n        upper = lower;\n        lower = undefined;\n      }\n      if (upper !== undefined) {\n        upper = toNumber(upper);\n        upper = upper === upper ? upper : 0;\n      }\n      if (lower !== undefined) {\n        lower = toNumber(lower);\n        lower = lower === lower ? lower : 0;\n      }\n      return baseClamp(toNumber(number), lower, upper);\n    }\n\n    /**\n     * Checks if `n` is between `start` and up to, but not including, `end`. If\n     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n     * If `start` is greater than `end` the params are swapped to support\n     * negative ranges.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.3.0\n     * @category Number\n     * @param {number} number The number to check.\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     * @see _.range, _.rangeRight\n     * @example\n     *\n     * _.inRange(3, 2, 4);\n     * // => true\n     *\n     * _.inRange(4, 8);\n     * // => true\n     *\n     * _.inRange(4, 2);\n     * // => false\n     *\n     * _.inRange(2, 2);\n     * // => false\n     *\n     * _.inRange(1.2, 2);\n     * // => true\n     *\n     * _.inRange(5.2, 4);\n     * // => false\n     *\n     * _.inRange(-3, -2, -6);\n     * // => true\n     */\n    function inRange(number, start, end) {\n      start = toFinite(start);\n      if (end === undefined) {\n        end = start;\n        start = 0;\n      } else {\n        end = toFinite(end);\n      }\n      number = toNumber(number);\n      return baseInRange(number, start, end);\n    }\n\n    /**\n     * Produces a random number between the inclusive `lower` and `upper` bounds.\n     * If only one argument is provided a number between `0` and the given number\n     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n     * floats, a floating-point number is returned instead of an integer.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Number\n     * @param {number} [lower=0] The lower bound.\n     * @param {number} [upper=1] The upper bound.\n     * @param {boolean} [floating] Specify returning a floating-point number.\n     * @returns {number} Returns the random number.\n     * @example\n     *\n     * _.random(0, 5);\n     * // => an integer between 0 and 5\n     *\n     * _.random(5);\n     * // => also an integer between 0 and 5\n     *\n     * _.random(5, true);\n     * // => a floating-point number between 0 and 5\n     *\n     * _.random(1.2, 5.2);\n     * // => a floating-point number between 1.2 and 5.2\n     */\n    function random(lower, upper, floating) {\n      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n        upper = floating = undefined;\n      }\n      if (floating === undefined) {\n        if (typeof upper == 'boolean') {\n          floating = upper;\n          upper = undefined;\n        }\n        else if (typeof lower == 'boolean') {\n          floating = lower;\n          lower = undefined;\n        }\n      }\n      if (lower === undefined && upper === undefined) {\n        lower = 0;\n        upper = 1;\n      }\n      else {\n        lower = toFinite(lower);\n        if (upper === undefined) {\n          upper = lower;\n          lower = 0;\n        } else {\n          upper = toFinite(upper);\n        }\n      }\n      if (lower > upper) {\n        var temp = lower;\n        lower = upper;\n        upper = temp;\n      }\n      if (floating || lower % 1 || upper % 1) {\n        var rand = nativeRandom();\n        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n      }\n      return baseRandom(lower, upper);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the camel cased string.\n     * @example\n     *\n     * _.camelCase('Foo Bar');\n     * // => 'fooBar'\n     *\n     * _.camelCase('--foo-bar--');\n     * // => 'fooBar'\n     *\n     * _.camelCase('__FOO_BAR__');\n     * // => 'fooBar'\n     */\n    var camelCase = createCompounder(function(result, word, index) {\n      word = word.toLowerCase();\n      return result + (index ? capitalize(word) : word);\n    });\n\n    /**\n     * Converts the first character of `string` to upper case and the remaining\n     * to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to capitalize.\n     * @returns {string} Returns the capitalized string.\n     * @example\n     *\n     * _.capitalize('FRED');\n     * // => 'Fred'\n     */\n    function capitalize(string) {\n      return upperFirst(toString(string).toLowerCase());\n    }\n\n    /**\n     * Deburrs `string` by converting\n     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n     * letters to basic Latin letters and removing\n     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to deburr.\n     * @returns {string} Returns the deburred string.\n     * @example\n     *\n     * _.deburr('déjà vu');\n     * // => 'deja vu'\n     */\n    function deburr(string) {\n      string = toString(string);\n      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n    }\n\n    /**\n     * Checks if `string` ends with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=string.length] The position to search up to.\n     * @returns {boolean} Returns `true` if `string` ends with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.endsWith('abc', 'c');\n     * // => true\n     *\n     * _.endsWith('abc', 'b');\n     * // => false\n     *\n     * _.endsWith('abc', 'b', 2);\n     * // => true\n     */\n    function endsWith(string, target, position) {\n      string = toString(string);\n      target = baseToString(target);\n\n      var length = string.length;\n      position = position === undefined\n        ? length\n        : baseClamp(toInteger(position), 0, length);\n\n      var end = position;\n      position -= target.length;\n      return position >= 0 && string.slice(position, end) == target;\n    }\n\n    /**\n     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n     * corresponding HTML entities.\n     *\n     * **Note:** No other characters are escaped. To escape additional\n     * characters use a third-party library like [_he_](https://mths.be/he).\n     *\n     * Though the \">\" character is escaped for symmetry, characters like\n     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n     * unless they're part of a tag or unquoted attribute value. See\n     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n     * (under \"semi-related fun fact\") for more details.\n     *\n     * When working with HTML you should always\n     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n     * XSS vectors.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escape('fred, barney, & pebbles');\n     * // => 'fred, barney, &amp; pebbles'\n     */\n    function escape(string) {\n      string = toString(string);\n      return (string && reHasUnescapedHtml.test(string))\n        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escapeRegExp('[lodash](https://lodash.com/)');\n     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n     */\n    function escapeRegExp(string) {\n      string = toString(string);\n      return (string && reHasRegExpChar.test(string))\n        ? string.replace(reRegExpChar, '\\\\$&')\n        : string;\n    }\n\n    /**\n     * Converts `string` to\n     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the kebab cased string.\n     * @example\n     *\n     * _.kebabCase('Foo Bar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('fooBar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('__FOO_BAR__');\n     * // => 'foo-bar'\n     */\n    var kebabCase = createCompounder(function(result, word, index) {\n      return result + (index ? '-' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts `string`, as space separated words, to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.lowerCase('--Foo-Bar--');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('fooBar');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('__FOO_BAR__');\n     * // => 'foo bar'\n     */\n    var lowerCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts the first character of `string` to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.lowerFirst('Fred');\n     * // => 'fred'\n     *\n     * _.lowerFirst('FRED');\n     * // => 'fRED'\n     */\n    var lowerFirst = createCaseFirst('toLowerCase');\n\n    /**\n     * Pads `string` on the left and right sides if it's shorter than `length`.\n     * Padding characters are truncated if they can't be evenly divided by `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.pad('abc', 8);\n     * // => '  abc   '\n     *\n     * _.pad('abc', 8, '_-');\n     * // => '_-abc_-_'\n     *\n     * _.pad('abc', 3);\n     * // => 'abc'\n     */\n    function pad(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      if (!length || strLength >= length) {\n        return string;\n      }\n      var mid = (length - strLength) / 2;\n      return (\n        createPadding(nativeFloor(mid), chars) +\n        string +\n        createPadding(nativeCeil(mid), chars)\n      );\n    }\n\n    /**\n     * Pads `string` on the right side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padEnd('abc', 6);\n     * // => 'abc   '\n     *\n     * _.padEnd('abc', 6, '_-');\n     * // => 'abc_-_'\n     *\n     * _.padEnd('abc', 3);\n     * // => 'abc'\n     */\n    function padEnd(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (string + createPadding(length - strLength, chars))\n        : string;\n    }\n\n    /**\n     * Pads `string` on the left side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padStart('abc', 6);\n     * // => '   abc'\n     *\n     * _.padStart('abc', 6, '_-');\n     * // => '_-_abc'\n     *\n     * _.padStart('abc', 3);\n     * // => 'abc'\n     */\n    function padStart(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (createPadding(length - strLength, chars) + string)\n        : string;\n    }\n\n    /**\n     * Converts `string` to an integer of the specified radix. If `radix` is\n     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n     * hexadecimal, in which case a `radix` of `16` is used.\n     *\n     * **Note:** This method aligns with the\n     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category String\n     * @param {string} string The string to convert.\n     * @param {number} [radix=10] The radix to interpret `value` by.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.parseInt('08');\n     * // => 8\n     *\n     * _.map(['6', '08', '10'], _.parseInt);\n     * // => [6, 8, 10]\n     */\n    function parseInt(string, radix, guard) {\n      if (guard || radix == null) {\n        radix = 0;\n      } else if (radix) {\n        radix = +radix;\n      }\n      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n    }\n\n    /**\n     * Repeats the given string `n` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to repeat.\n     * @param {number} [n=1] The number of times to repeat the string.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the repeated string.\n     * @example\n     *\n     * _.repeat('*', 3);\n     * // => '***'\n     *\n     * _.repeat('abc', 2);\n     * // => 'abcabc'\n     *\n     * _.repeat('abc', 0);\n     * // => ''\n     */\n    function repeat(string, n, guard) {\n      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      return baseRepeat(toString(string), n);\n    }\n\n    /**\n     * Replaces matches for `pattern` in `string` with `replacement`.\n     *\n     * **Note:** This method is based on\n     * [`String#replace`](https://mdn.io/String/replace).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to modify.\n     * @param {RegExp|string} pattern The pattern to replace.\n     * @param {Function|string} replacement The match replacement.\n     * @returns {string} Returns the modified string.\n     * @example\n     *\n     * _.replace('Hi Fred', 'Fred', 'Barney');\n     * // => 'Hi Barney'\n     */\n    function replace() {\n      var args = arguments,\n          string = toString(args[0]);\n\n      return args.length < 3 ? string : string.replace(args[1], args[2]);\n    }\n\n    /**\n     * Converts `string` to\n     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the snake cased string.\n     * @example\n     *\n     * _.snakeCase('Foo Bar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('fooBar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('--FOO-BAR--');\n     * // => 'foo_bar'\n     */\n    var snakeCase = createCompounder(function(result, word, index) {\n      return result + (index ? '_' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Splits `string` by `separator`.\n     *\n     * **Note:** This method is based on\n     * [`String#split`](https://mdn.io/String/split).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to split.\n     * @param {RegExp|string} separator The separator pattern to split by.\n     * @param {number} [limit] The length to truncate results to.\n     * @returns {Array} Returns the string segments.\n     * @example\n     *\n     * _.split('a-b-c', '-', 2);\n     * // => ['a', 'b']\n     */\n    function split(string, separator, limit) {\n      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n        separator = limit = undefined;\n      }\n      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n      if (!limit) {\n        return [];\n      }\n      string = toString(string);\n      if (string && (\n            typeof separator == 'string' ||\n            (separator != null && !isRegExp(separator))\n          )) {\n        separator = baseToString(separator);\n        if (!separator && hasUnicode(string)) {\n          return castSlice(stringToArray(string), 0, limit);\n        }\n      }\n      return string.split(separator, limit);\n    }\n\n    /**\n     * Converts `string` to\n     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.1.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the start cased string.\n     * @example\n     *\n     * _.startCase('--foo-bar--');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('fooBar');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('__FOO_BAR__');\n     * // => 'FOO BAR'\n     */\n    var startCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + upperFirst(word);\n    });\n\n    /**\n     * Checks if `string` starts with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=0] The position to search from.\n     * @returns {boolean} Returns `true` if `string` starts with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.startsWith('abc', 'a');\n     * // => true\n     *\n     * _.startsWith('abc', 'b');\n     * // => false\n     *\n     * _.startsWith('abc', 'b', 1);\n     * // => true\n     */\n    function startsWith(string, target, position) {\n      string = toString(string);\n      position = position == null\n        ? 0\n        : baseClamp(toInteger(position), 0, string.length);\n\n      target = baseToString(target);\n      return string.slice(position, position + target.length) == target;\n    }\n\n    /**\n     * Creates a compiled template function that can interpolate data properties\n     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n     * properties may be accessed as free variables in the template. If a setting\n     * object is given, it takes precedence over `_.templateSettings` values.\n     *\n     * **Note:** In the development build `_.template` utilizes\n     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n     * for easier debugging.\n     *\n     * For more information on precompiling templates see\n     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n     *\n     * For more information on Chrome extension sandboxes see\n     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The template string.\n     * @param {Object} [options={}] The options object.\n     * @param {RegExp} [options.escape=_.templateSettings.escape]\n     *  The HTML \"escape\" delimiter.\n     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n     *  The \"evaluate\" delimiter.\n     * @param {Object} [options.imports=_.templateSettings.imports]\n     *  An object to import into the template as free variables.\n     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n     *  The \"interpolate\" delimiter.\n     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n     *  The sourceURL of the compiled template.\n     * @param {string} [options.variable='obj']\n     *  The data object variable name.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the compiled template function.\n     * @example\n     *\n     * // Use the \"interpolate\" delimiter to create a compiled template.\n     * var compiled = _.template('hello <%= user %>!');\n     * compiled({ 'user': 'fred' });\n     * // => 'hello fred!'\n     *\n     * // Use the HTML \"escape\" delimiter to escape data property values.\n     * var compiled = _.template('<b><%- value %></b>');\n     * compiled({ 'value': '<script>' });\n     * // => '<b>&lt;script&gt;</b>'\n     *\n     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the internal `print` function in \"evaluate\" delimiters.\n     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n     * compiled({ 'user': 'barney' });\n     * // => 'hello barney!'\n     *\n     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n     * // Disable support by replacing the \"interpolate\" delimiter.\n     * var compiled = _.template('hello ${ user }!');\n     * compiled({ 'user': 'pebbles' });\n     * // => 'hello pebbles!'\n     *\n     * // Use backslashes to treat delimiters as plain text.\n     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n     * compiled({ 'value': 'ignored' });\n     * // => '<%- value %>'\n     *\n     * // Use the `imports` option to import `jQuery` as `jq`.\n     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n     * compiled(data);\n     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n     *\n     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n     * compiled.source;\n     * // => function(data) {\n     * //   var __t, __p = '';\n     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n     * //   return __p;\n     * // }\n     *\n     * // Use custom template delimiters.\n     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n     * var compiled = _.template('hello {{ user }}!');\n     * compiled({ 'user': 'mustache' });\n     * // => 'hello mustache!'\n     *\n     * // Use the `source` property to inline compiled templates for meaningful\n     * // line numbers in error messages and stack traces.\n     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n     *   var JST = {\\\n     *     \"main\": ' + _.template(mainText).source + '\\\n     *   };\\\n     * ');\n     */\n    function template(string, options, guard) {\n      // Based on John Resig's `tmpl` implementation\n      // (http://ejohn.org/blog/javascript-micro-templating/)\n      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n      var settings = lodash.templateSettings;\n\n      if (guard && isIterateeCall(string, options, guard)) {\n        options = undefined;\n      }\n      string = toString(string);\n      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\n      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n          importsKeys = keys(imports),\n          importsValues = baseValues(imports, importsKeys);\n\n      var isEscaping,\n          isEvaluating,\n          index = 0,\n          interpolate = options.interpolate || reNoMatch,\n          source = \"__p += '\";\n\n      // Compile the regexp to match each delimiter.\n      var reDelimiters = RegExp(\n        (options.escape || reNoMatch).source + '|' +\n        interpolate.source + '|' +\n        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n        (options.evaluate || reNoMatch).source + '|$'\n      , 'g');\n\n      // Use a sourceURL for easier debugging.\n      var sourceURL = '//# sourceURL=' +\n        ('sourceURL' in options\n          ? options.sourceURL\n          : ('lodash.templateSources[' + (++templateCounter) + ']')\n        ) + '\\n';\n\n      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n        interpolateValue || (interpolateValue = esTemplateValue);\n\n        // Escape characters that can't be included in string literals.\n        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\n        // Replace delimiters with snippets.\n        if (escapeValue) {\n          isEscaping = true;\n          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n        }\n        if (evaluateValue) {\n          isEvaluating = true;\n          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n        }\n        if (interpolateValue) {\n          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n        }\n        index = offset + match.length;\n\n        // The JS engine embedded in Adobe products needs `match` returned in\n        // order to produce the correct `offset` value.\n        return match;\n      });\n\n      source += \"';\\n\";\n\n      // If `variable` is not specified wrap a with-statement around the generated\n      // code to add the data object to the top of the scope chain.\n      var variable = options.variable;\n      if (!variable) {\n        source = 'with (obj) {\\n' + source + '\\n}\\n';\n      }\n      // Cleanup code by stripping empty strings.\n      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n        .replace(reEmptyStringMiddle, '$1')\n        .replace(reEmptyStringTrailing, '$1;');\n\n      // Frame code as the function body.\n      source = 'function(' + (variable || 'obj') + ') {\\n' +\n        (variable\n          ? ''\n          : 'obj || (obj = {});\\n'\n        ) +\n        \"var __t, __p = ''\" +\n        (isEscaping\n           ? ', __e = _.escape'\n           : ''\n        ) +\n        (isEvaluating\n          ? ', __j = Array.prototype.join;\\n' +\n            \"function print() { __p += __j.call(arguments, '') }\\n\"\n          : ';\\n'\n        ) +\n        source +\n        'return __p\\n}';\n\n      var result = attempt(function() {\n        return Function(importsKeys, sourceURL + 'return ' + source)\n          .apply(undefined, importsValues);\n      });\n\n      // Provide the compiled function's source by its `toString` method or\n      // the `source` property as a convenience for inlining compiled templates.\n      result.source = source;\n      if (isError(result)) {\n        throw result;\n      }\n      return result;\n    }\n\n    /**\n     * Converts `string`, as a whole, to lower case just like\n     * [String#toLowerCase](https://mdn.io/toLowerCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.toLower('--Foo-Bar--');\n     * // => '--foo-bar--'\n     *\n     * _.toLower('fooBar');\n     * // => 'foobar'\n     *\n     * _.toLower('__FOO_BAR__');\n     * // => '__foo_bar__'\n     */\n    function toLower(value) {\n      return toString(value).toLowerCase();\n    }\n\n    /**\n     * Converts `string`, as a whole, to upper case just like\n     * [String#toUpperCase](https://mdn.io/toUpperCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.toUpper('--foo-bar--');\n     * // => '--FOO-BAR--'\n     *\n     * _.toUpper('fooBar');\n     * // => 'FOOBAR'\n     *\n     * _.toUpper('__foo_bar__');\n     * // => '__FOO_BAR__'\n     */\n    function toUpper(value) {\n      return toString(value).toUpperCase();\n    }\n\n    /**\n     * Removes leading and trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trim('  abc  ');\n     * // => 'abc'\n     *\n     * _.trim('-_-abc-_-', '_-');\n     * // => 'abc'\n     *\n     * _.map(['  foo  ', '  bar  '], _.trim);\n     * // => ['foo', 'bar']\n     */\n    function trim(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrim, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          chrSymbols = stringToArray(chars),\n          start = charsStartIndex(strSymbols, chrSymbols),\n          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\n      return castSlice(strSymbols, start, end).join('');\n    }\n\n    /**\n     * Removes trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimEnd('  abc  ');\n     * // => '  abc'\n     *\n     * _.trimEnd('-_-abc-_-', '_-');\n     * // => '-_-abc'\n     */\n    function trimEnd(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimEnd, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\n      return castSlice(strSymbols, 0, end).join('');\n    }\n\n    /**\n     * Removes leading whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimStart('  abc  ');\n     * // => 'abc  '\n     *\n     * _.trimStart('-_-abc-_-', '_-');\n     * // => 'abc-_-'\n     */\n    function trimStart(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimStart, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          start = charsStartIndex(strSymbols, stringToArray(chars));\n\n      return castSlice(strSymbols, start).join('');\n    }\n\n    /**\n     * Truncates `string` if it's longer than the given maximum string length.\n     * The last characters of the truncated string are replaced with the omission\n     * string which defaults to \"...\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to truncate.\n     * @param {Object} [options={}] The options object.\n     * @param {number} [options.length=30] The maximum string length.\n     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n     * @returns {string} Returns the truncated string.\n     * @example\n     *\n     * _.truncate('hi-diddly-ho there, neighborino');\n     * // => 'hi-diddly-ho there, neighbo...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': ' '\n     * });\n     * // => 'hi-diddly-ho there,...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': /,? +/\n     * });\n     * // => 'hi-diddly-ho there...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'omission': ' [...]'\n     * });\n     * // => 'hi-diddly-ho there, neig [...]'\n     */\n    function truncate(string, options) {\n      var length = DEFAULT_TRUNC_LENGTH,\n          omission = DEFAULT_TRUNC_OMISSION;\n\n      if (isObject(options)) {\n        var separator = 'separator' in options ? options.separator : separator;\n        length = 'length' in options ? toInteger(options.length) : length;\n        omission = 'omission' in options ? baseToString(options.omission) : omission;\n      }\n      string = toString(string);\n\n      var strLength = string.length;\n      if (hasUnicode(string)) {\n        var strSymbols = stringToArray(string);\n        strLength = strSymbols.length;\n      }\n      if (length >= strLength) {\n        return string;\n      }\n      var end = length - stringSize(omission);\n      if (end < 1) {\n        return omission;\n      }\n      var result = strSymbols\n        ? castSlice(strSymbols, 0, end).join('')\n        : string.slice(0, end);\n\n      if (separator === undefined) {\n        return result + omission;\n      }\n      if (strSymbols) {\n        end += (result.length - end);\n      }\n      if (isRegExp(separator)) {\n        if (string.slice(end).search(separator)) {\n          var match,\n              substring = result;\n\n          if (!separator.global) {\n            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n          }\n          separator.lastIndex = 0;\n          while ((match = separator.exec(substring))) {\n            var newEnd = match.index;\n          }\n          result = result.slice(0, newEnd === undefined ? end : newEnd);\n        }\n      } else if (string.indexOf(baseToString(separator), end) != end) {\n        var index = result.lastIndexOf(separator);\n        if (index > -1) {\n          result = result.slice(0, index);\n        }\n      }\n      return result + omission;\n    }\n\n    /**\n     * The inverse of `_.escape`; this method converts the HTML entities\n     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n     * their corresponding characters.\n     *\n     * **Note:** No other HTML entities are unescaped. To unescape additional\n     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.6.0\n     * @category String\n     * @param {string} [string=''] The string to unescape.\n     * @returns {string} Returns the unescaped string.\n     * @example\n     *\n     * _.unescape('fred, barney, &amp; pebbles');\n     * // => 'fred, barney, & pebbles'\n     */\n    function unescape(string) {\n      string = toString(string);\n      return (string && reHasEscapedHtml.test(string))\n        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Converts `string`, as space separated words, to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.upperCase('--foo-bar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('fooBar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('__foo_bar__');\n     * // => 'FOO BAR'\n     */\n    var upperCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toUpperCase();\n    });\n\n    /**\n     * Converts the first character of `string` to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.upperFirst('fred');\n     * // => 'Fred'\n     *\n     * _.upperFirst('FRED');\n     * // => 'FRED'\n     */\n    var upperFirst = createCaseFirst('toUpperCase');\n\n    /**\n     * Splits `string` into an array of its words.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {RegExp|string} [pattern] The pattern to match words.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the words of `string`.\n     * @example\n     *\n     * _.words('fred, barney, & pebbles');\n     * // => ['fred', 'barney', 'pebbles']\n     *\n     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n     * // => ['fred', 'barney', '&', 'pebbles']\n     */\n    function words(string, pattern, guard) {\n      string = toString(string);\n      pattern = guard ? undefined : pattern;\n\n      if (pattern === undefined) {\n        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n      }\n      return string.match(pattern) || [];\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Attempts to invoke `func`, returning either the result or the caught error\n     * object. Any additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Function} func The function to attempt.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {*} Returns the `func` result or error object.\n     * @example\n     *\n     * // Avoid throwing errors for invalid selectors.\n     * var elements = _.attempt(function(selector) {\n     *   return document.querySelectorAll(selector);\n     * }, '>_>');\n     *\n     * if (_.isError(elements)) {\n     *   elements = [];\n     * }\n     */\n    var attempt = baseRest(function(func, args) {\n      try {\n        return apply(func, undefined, args);\n      } catch (e) {\n        return isError(e) ? e : new Error(e);\n      }\n    });\n\n    /**\n     * Binds methods of an object to the object itself, overwriting the existing\n     * method.\n     *\n     * **Note:** This method doesn't set the \"length\" property of bound functions.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Object} object The object to bind and assign the bound methods to.\n     * @param {...(string|string[])} methodNames The object method names to bind.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var view = {\n     *   'label': 'docs',\n     *   'click': function() {\n     *     console.log('clicked ' + this.label);\n     *   }\n     * };\n     *\n     * _.bindAll(view, ['click']);\n     * jQuery(element).on('click', view.click);\n     * // => Logs 'clicked docs' when clicked.\n     */\n    var bindAll = flatRest(function(object, methodNames) {\n      arrayEach(methodNames, function(key) {\n        key = toKey(key);\n        baseAssignValue(object, key, bind(object[key], object));\n      });\n      return object;\n    });\n\n    /**\n     * Creates a function that iterates over `pairs` and invokes the corresponding\n     * function of the first predicate to return truthy. The predicate-function\n     * pairs are invoked with the `this` binding and arguments of the created\n     * function.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Array} pairs The predicate-function pairs.\n     * @returns {Function} Returns the new composite function.\n     * @example\n     *\n     * var func = _.cond([\n     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n     *   [_.stubTrue,                      _.constant('no match')]\n     * ]);\n     *\n     * func({ 'a': 1, 'b': 2 });\n     * // => 'matches A'\n     *\n     * func({ 'a': 0, 'b': 1 });\n     * // => 'matches B'\n     *\n     * func({ 'a': '1', 'b': '2' });\n     * // => 'no match'\n     */\n    function cond(pairs) {\n      var length = pairs == null ? 0 : pairs.length,\n          toIteratee = getIteratee();\n\n      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n        if (typeof pair[1] != 'function') {\n          throw new TypeError(FUNC_ERROR_TEXT);\n        }\n        return [toIteratee(pair[0]), pair[1]];\n      });\n\n      return baseRest(function(args) {\n        var index = -1;\n        while (++index < length) {\n          var pair = pairs[index];\n          if (apply(pair[0], this, args)) {\n            return apply(pair[1], this, args);\n          }\n        }\n      });\n    }\n\n    /**\n     * Creates a function that invokes the predicate properties of `source` with\n     * the corresponding property values of a given object, returning `true` if\n     * all predicates return truthy, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.conformsTo` with\n     * `source` partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 2, 'b': 1 },\n     *   { 'a': 1, 'b': 2 }\n     * ];\n     *\n     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n     * // => [{ 'a': 1, 'b': 2 }]\n     */\n    function conforms(source) {\n      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that returns `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {*} value The value to return from the new function.\n     * @returns {Function} Returns the new constant function.\n     * @example\n     *\n     * var objects = _.times(2, _.constant({ 'a': 1 }));\n     *\n     * console.log(objects);\n     * // => [{ 'a': 1 }, { 'a': 1 }]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => true\n     */\n    function constant(value) {\n      return function() {\n        return value;\n      };\n    }\n\n    /**\n     * Checks `value` to determine whether a default value should be returned in\n     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n     * or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Util\n     * @param {*} value The value to check.\n     * @param {*} defaultValue The default value.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * _.defaultTo(1, 10);\n     * // => 1\n     *\n     * _.defaultTo(undefined, 10);\n     * // => 10\n     */\n    function defaultTo(value, defaultValue) {\n      return (value == null || value !== value) ? defaultValue : value;\n    }\n\n    /**\n     * Creates a function that returns the result of invoking the given functions\n     * with the `this` binding of the created function, where each successive\n     * invocation is supplied the return value of the previous.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flowRight\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flow([_.add, square]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flow = createFlow();\n\n    /**\n     * This method is like `_.flow` except that it creates a function that\n     * invokes the given functions from right to left.\n     *\n     * @static\n     * @since 3.0.0\n     * @memberOf _\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flow\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flowRight([square, _.add]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flowRight = createFlow(true);\n\n    /**\n     * This method returns the first argument it receives.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {*} value Any value.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     *\n     * console.log(_.identity(object) === object);\n     * // => true\n     */\n    function identity(value) {\n      return value;\n    }\n\n    /**\n     * Creates a function that invokes `func` with the arguments of the created\n     * function. If `func` is a property name, the created function returns the\n     * property value for a given element. If `func` is an array or object, the\n     * created function returns `true` for elements that contain the equivalent\n     * source properties, otherwise it returns `false`.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Util\n     * @param {*} [func=_.identity] The value to convert to a callback.\n     * @returns {Function} Returns the callback.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, _.iteratee(['user', 'fred']));\n     * // => [{ 'user': 'fred', 'age': 40 }]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, _.iteratee('user'));\n     * // => ['barney', 'fred']\n     *\n     * // Create custom iteratee shorthands.\n     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n     *     return func.test(string);\n     *   };\n     * });\n     *\n     * _.filter(['abc', 'def'], /ef/);\n     * // => ['def']\n     */\n    function iteratee(func) {\n      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between a given\n     * object and `source`, returning `true` if the given object has equivalent\n     * property values, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n     */\n    function matches(source) {\n      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between the\n     * value at `path` of a given object to `srcValue`, returning `true` if the\n     * object value is equivalent, else `false`.\n     *\n     * **Note:** Partial comparisons will match empty array and empty object\n     * `srcValue` values against any array or object value, respectively. See\n     * `_.isEqual` for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.find(objects, _.matchesProperty('a', 4));\n     * // => { 'a': 4, 'b': 5, 'c': 6 }\n     */\n    function matchesProperty(path, srcValue) {\n      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that invokes the method at `path` of a given object.\n     * Any additional arguments are provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': _.constant(2) } },\n     *   { 'a': { 'b': _.constant(1) } }\n     * ];\n     *\n     * _.map(objects, _.method('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(objects, _.method(['a', 'b']));\n     * // => [2, 1]\n     */\n    var method = baseRest(function(path, args) {\n      return function(object) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * The opposite of `_.method`; this method creates a function that invokes\n     * the method at a given path of `object`. Any additional arguments are\n     * provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var array = _.times(3, _.constant),\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n     * // => [2, 0]\n     */\n    var methodOf = baseRest(function(object, args) {\n      return function(path) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * Adds all own enumerable string keyed function properties of a source\n     * object to the destination object. If `object` is a function, then methods\n     * are added to its prototype as well.\n     *\n     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n     * avoid conflicts caused by modifying the original.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Function|Object} [object=lodash] The destination object.\n     * @param {Object} source The object of functions to add.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n     * @returns {Function|Object} Returns `object`.\n     * @example\n     *\n     * function vowels(string) {\n     *   return _.filter(string, function(v) {\n     *     return /[aeiou]/i.test(v);\n     *   });\n     * }\n     *\n     * _.mixin({ 'vowels': vowels });\n     * _.vowels('fred');\n     * // => ['e']\n     *\n     * _('fred').vowels().value();\n     * // => ['e']\n     *\n     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n     * _('fred').vowels();\n     * // => ['e']\n     */\n    function mixin(object, source, options) {\n      var props = keys(source),\n          methodNames = baseFunctions(source, props);\n\n      if (options == null &&\n          !(isObject(source) && (methodNames.length || !props.length))) {\n        options = source;\n        source = object;\n        object = this;\n        methodNames = baseFunctions(source, keys(source));\n      }\n      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n          isFunc = isFunction(object);\n\n      arrayEach(methodNames, function(methodName) {\n        var func = source[methodName];\n        object[methodName] = func;\n        if (isFunc) {\n          object.prototype[methodName] = function() {\n            var chainAll = this.__chain__;\n            if (chain || chainAll) {\n              var result = object(this.__wrapped__),\n                  actions = result.__actions__ = copyArray(this.__actions__);\n\n              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n              result.__chain__ = chainAll;\n              return result;\n            }\n            return func.apply(object, arrayPush([this.value()], arguments));\n          };\n        }\n      });\n\n      return object;\n    }\n\n    /**\n     * Reverts the `_` variable to its previous value and returns a reference to\n     * the `lodash` function.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @returns {Function} Returns the `lodash` function.\n     * @example\n     *\n     * var lodash = _.noConflict();\n     */\n    function noConflict() {\n      if (root._ === this) {\n        root._ = oldDash;\n      }\n      return this;\n    }\n\n    /**\n     * This method returns `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Util\n     * @example\n     *\n     * _.times(2, _.noop);\n     * // => [undefined, undefined]\n     */\n    function noop() {\n      // No operation performed.\n    }\n\n    /**\n     * Creates a function that gets the argument at index `n`. If `n` is negative,\n     * the nth argument from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [n=0] The index of the argument to return.\n     * @returns {Function} Returns the new pass-thru function.\n     * @example\n     *\n     * var func = _.nthArg(1);\n     * func('a', 'b', 'c', 'd');\n     * // => 'b'\n     *\n     * var func = _.nthArg(-2);\n     * func('a', 'b', 'c', 'd');\n     * // => 'c'\n     */\n    function nthArg(n) {\n      n = toInteger(n);\n      return baseRest(function(args) {\n        return baseNth(args, n);\n      });\n    }\n\n    /**\n     * Creates a function that invokes `iteratees` with the arguments it receives\n     * and returns their results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to invoke.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.over([Math.max, Math.min]);\n     *\n     * func(1, 2, 3, 4);\n     * // => [4, 1]\n     */\n    var over = createOver(arrayMap);\n\n    /**\n     * Creates a function that checks if **all** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overEvery([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => false\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overEvery = createOver(arrayEvery);\n\n    /**\n     * Creates a function that checks if **any** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overSome([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => true\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overSome = createOver(arraySome);\n\n    /**\n     * Creates a function that returns the value at `path` of a given object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': 2 } },\n     *   { 'a': { 'b': 1 } }\n     * ];\n     *\n     * _.map(objects, _.property('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n     * // => [1, 2]\n     */\n    function property(path) {\n      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n    }\n\n    /**\n     * The opposite of `_.property`; this method creates a function that returns\n     * the value at a given path of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var array = [0, 1, 2],\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n     * // => [2, 0]\n     */\n    function propertyOf(object) {\n      return function(path) {\n        return object == null ? undefined : baseGet(object, path);\n      };\n    }\n\n    /**\n     * Creates an array of numbers (positive and/or negative) progressing from\n     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n     * `start` is specified without an `end` or `step`. If `end` is not specified,\n     * it's set to `start` with `start` then set to `0`.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.rangeRight\n     * @example\n     *\n     * _.range(4);\n     * // => [0, 1, 2, 3]\n     *\n     * _.range(-4);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 5);\n     * // => [1, 2, 3, 4]\n     *\n     * _.range(0, 20, 5);\n     * // => [0, 5, 10, 15]\n     *\n     * _.range(0, -4, -1);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.range(0);\n     * // => []\n     */\n    var range = createRange();\n\n    /**\n     * This method is like `_.range` except that it populates values in\n     * descending order.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.range\n     * @example\n     *\n     * _.rangeRight(4);\n     * // => [3, 2, 1, 0]\n     *\n     * _.rangeRight(-4);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 5);\n     * // => [4, 3, 2, 1]\n     *\n     * _.rangeRight(0, 20, 5);\n     * // => [15, 10, 5, 0]\n     *\n     * _.rangeRight(0, -4, -1);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.rangeRight(0);\n     * // => []\n     */\n    var rangeRight = createRange(true);\n\n    /**\n     * This method returns a new empty array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Array} Returns the new empty array.\n     * @example\n     *\n     * var arrays = _.times(2, _.stubArray);\n     *\n     * console.log(arrays);\n     * // => [[], []]\n     *\n     * console.log(arrays[0] === arrays[1]);\n     * // => false\n     */\n    function stubArray() {\n      return [];\n    }\n\n    /**\n     * This method returns `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `false`.\n     * @example\n     *\n     * _.times(2, _.stubFalse);\n     * // => [false, false]\n     */\n    function stubFalse() {\n      return false;\n    }\n\n    /**\n     * This method returns a new empty object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Object} Returns the new empty object.\n     * @example\n     *\n     * var objects = _.times(2, _.stubObject);\n     *\n     * console.log(objects);\n     * // => [{}, {}]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => false\n     */\n    function stubObject() {\n      return {};\n    }\n\n    /**\n     * This method returns an empty string.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {string} Returns the empty string.\n     * @example\n     *\n     * _.times(2, _.stubString);\n     * // => ['', '']\n     */\n    function stubString() {\n      return '';\n    }\n\n    /**\n     * This method returns `true`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `true`.\n     * @example\n     *\n     * _.times(2, _.stubTrue);\n     * // => [true, true]\n     */\n    function stubTrue() {\n      return true;\n    }\n\n    /**\n     * Invokes the iteratee `n` times, returning an array of the results of\n     * each invocation. The iteratee is invoked with one argument; (index).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} n The number of times to invoke `iteratee`.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.times(3, String);\n     * // => ['0', '1', '2']\n     *\n     *  _.times(4, _.constant(0));\n     * // => [0, 0, 0, 0]\n     */\n    function times(n, iteratee) {\n      n = toInteger(n);\n      if (n < 1 || n > MAX_SAFE_INTEGER) {\n        return [];\n      }\n      var index = MAX_ARRAY_LENGTH,\n          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\n      iteratee = getIteratee(iteratee);\n      n -= MAX_ARRAY_LENGTH;\n\n      var result = baseTimes(length, iteratee);\n      while (++index < n) {\n        iteratee(index);\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a property path array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the new property path array.\n     * @example\n     *\n     * _.toPath('a.b.c');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toPath('a[0].b.c');\n     * // => ['a', '0', 'b', 'c']\n     */\n    function toPath(value) {\n      if (isArray(value)) {\n        return arrayMap(value, toKey);\n      }\n      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n    }\n\n    /**\n     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {string} [prefix=''] The value to prefix the ID with.\n     * @returns {string} Returns the unique ID.\n     * @example\n     *\n     * _.uniqueId('contact_');\n     * // => 'contact_104'\n     *\n     * _.uniqueId();\n     * // => '105'\n     */\n    function uniqueId(prefix) {\n      var id = ++idCounter;\n      return toString(prefix) + id;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Adds two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {number} augend The first number in an addition.\n     * @param {number} addend The second number in an addition.\n     * @returns {number} Returns the total.\n     * @example\n     *\n     * _.add(6, 4);\n     * // => 10\n     */\n    var add = createMathOperation(function(augend, addend) {\n      return augend + addend;\n    }, 0);\n\n    /**\n     * Computes `number` rounded up to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round up.\n     * @param {number} [precision=0] The precision to round up to.\n     * @returns {number} Returns the rounded up number.\n     * @example\n     *\n     * _.ceil(4.006);\n     * // => 5\n     *\n     * _.ceil(6.004, 2);\n     * // => 6.01\n     *\n     * _.ceil(6040, -2);\n     * // => 6100\n     */\n    var ceil = createRound('ceil');\n\n    /**\n     * Divide two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} dividend The first number in a division.\n     * @param {number} divisor The second number in a division.\n     * @returns {number} Returns the quotient.\n     * @example\n     *\n     * _.divide(6, 4);\n     * // => 1.5\n     */\n    var divide = createMathOperation(function(dividend, divisor) {\n      return dividend / divisor;\n    }, 1);\n\n    /**\n     * Computes `number` rounded down to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round down.\n     * @param {number} [precision=0] The precision to round down to.\n     * @returns {number} Returns the rounded down number.\n     * @example\n     *\n     * _.floor(4.006);\n     * // => 4\n     *\n     * _.floor(0.046, 2);\n     * // => 0.04\n     *\n     * _.floor(4060, -2);\n     * // => 4000\n     */\n    var floor = createRound('floor');\n\n    /**\n     * Computes the maximum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * _.max([4, 2, 8, 6]);\n     * // => 8\n     *\n     * _.max([]);\n     * // => undefined\n     */\n    function max(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseGt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.max` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.maxBy(objects, function(o) { return o.n; });\n     * // => { 'n': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.maxBy(objects, 'n');\n     * // => { 'n': 2 }\n     */\n    function maxBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n        : undefined;\n    }\n\n    /**\n     * Computes the mean of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * _.mean([4, 2, 8, 6]);\n     * // => 5\n     */\n    function mean(array) {\n      return baseMean(array, identity);\n    }\n\n    /**\n     * This method is like `_.mean` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be averaged.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.meanBy(objects, function(o) { return o.n; });\n     * // => 5\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.meanBy(objects, 'n');\n     * // => 5\n     */\n    function meanBy(array, iteratee) {\n      return baseMean(array, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * Computes the minimum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * _.min([4, 2, 8, 6]);\n     * // => 2\n     *\n     * _.min([]);\n     * // => undefined\n     */\n    function min(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseLt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.min` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.minBy(objects, function(o) { return o.n; });\n     * // => { 'n': 1 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.minBy(objects, 'n');\n     * // => { 'n': 1 }\n     */\n    function minBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n        : undefined;\n    }\n\n    /**\n     * Multiply two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} multiplier The first number in a multiplication.\n     * @param {number} multiplicand The second number in a multiplication.\n     * @returns {number} Returns the product.\n     * @example\n     *\n     * _.multiply(6, 4);\n     * // => 24\n     */\n    var multiply = createMathOperation(function(multiplier, multiplicand) {\n      return multiplier * multiplicand;\n    }, 1);\n\n    /**\n     * Computes `number` rounded to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round.\n     * @param {number} [precision=0] The precision to round to.\n     * @returns {number} Returns the rounded number.\n     * @example\n     *\n     * _.round(4.006);\n     * // => 4\n     *\n     * _.round(4.006, 2);\n     * // => 4.01\n     *\n     * _.round(4060, -2);\n     * // => 4100\n     */\n    var round = createRound('round');\n\n    /**\n     * Subtract two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {number} minuend The first number in a subtraction.\n     * @param {number} subtrahend The second number in a subtraction.\n     * @returns {number} Returns the difference.\n     * @example\n     *\n     * _.subtract(6, 4);\n     * // => 2\n     */\n    var subtract = createMathOperation(function(minuend, subtrahend) {\n      return minuend - subtrahend;\n    }, 0);\n\n    /**\n     * Computes the sum of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * _.sum([4, 2, 8, 6]);\n     * // => 20\n     */\n    function sum(array) {\n      return (array && array.length)\n        ? baseSum(array, identity)\n        : 0;\n    }\n\n    /**\n     * This method is like `_.sum` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be summed.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.sumBy(objects, function(o) { return o.n; });\n     * // => 20\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sumBy(objects, 'n');\n     * // => 20\n     */\n    function sumBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSum(array, getIteratee(iteratee, 2))\n        : 0;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return wrapped values in chain sequences.\n    lodash.after = after;\n    lodash.ary = ary;\n    lodash.assign = assign;\n    lodash.assignIn = assignIn;\n    lodash.assignInWith = assignInWith;\n    lodash.assignWith = assignWith;\n    lodash.at = at;\n    lodash.before = before;\n    lodash.bind = bind;\n    lodash.bindAll = bindAll;\n    lodash.bindKey = bindKey;\n    lodash.castArray = castArray;\n    lodash.chain = chain;\n    lodash.chunk = chunk;\n    lodash.compact = compact;\n    lodash.concat = concat;\n    lodash.cond = cond;\n    lodash.conforms = conforms;\n    lodash.constant = constant;\n    lodash.countBy = countBy;\n    lodash.create = create;\n    lodash.curry = curry;\n    lodash.curryRight = curryRight;\n    lodash.debounce = debounce;\n    lodash.defaults = defaults;\n    lodash.defaultsDeep = defaultsDeep;\n    lodash.defer = defer;\n    lodash.delay = delay;\n    lodash.difference = difference;\n    lodash.differenceBy = differenceBy;\n    lodash.differenceWith = differenceWith;\n    lodash.drop = drop;\n    lodash.dropRight = dropRight;\n    lodash.dropRightWhile = dropRightWhile;\n    lodash.dropWhile = dropWhile;\n    lodash.fill = fill;\n    lodash.filter = filter;\n    lodash.flatMap = flatMap;\n    lodash.flatMapDeep = flatMapDeep;\n    lodash.flatMapDepth = flatMapDepth;\n    lodash.flatten = flatten;\n    lodash.flattenDeep = flattenDeep;\n    lodash.flattenDepth = flattenDepth;\n    lodash.flip = flip;\n    lodash.flow = flow;\n    lodash.flowRight = flowRight;\n    lodash.fromPairs = fromPairs;\n    lodash.functions = functions;\n    lodash.functionsIn = functionsIn;\n    lodash.groupBy = groupBy;\n    lodash.initial = initial;\n    lodash.intersection = intersection;\n    lodash.intersectionBy = intersectionBy;\n    lodash.intersectionWith = intersectionWith;\n    lodash.invert = invert;\n    lodash.invertBy = invertBy;\n    lodash.invokeMap = invokeMap;\n    lodash.iteratee = iteratee;\n    lodash.keyBy = keyBy;\n    lodash.keys = keys;\n    lodash.keysIn = keysIn;\n    lodash.map = map;\n    lodash.mapKeys = mapKeys;\n    lodash.mapValues = mapValues;\n    lodash.matches = matches;\n    lodash.matchesProperty = matchesProperty;\n    lodash.memoize = memoize;\n    lodash.merge = merge;\n    lodash.mergeWith = mergeWith;\n    lodash.method = method;\n    lodash.methodOf = methodOf;\n    lodash.mixin = mixin;\n    lodash.negate = negate;\n    lodash.nthArg = nthArg;\n    lodash.omit = omit;\n    lodash.omitBy = omitBy;\n    lodash.once = once;\n    lodash.orderBy = orderBy;\n    lodash.over = over;\n    lodash.overArgs = overArgs;\n    lodash.overEvery = overEvery;\n    lodash.overSome = overSome;\n    lodash.partial = partial;\n    lodash.partialRight = partialRight;\n    lodash.partition = partition;\n    lodash.pick = pick;\n    lodash.pickBy = pickBy;\n    lodash.property = property;\n    lodash.propertyOf = propertyOf;\n    lodash.pull = pull;\n    lodash.pullAll = pullAll;\n    lodash.pullAllBy = pullAllBy;\n    lodash.pullAllWith = pullAllWith;\n    lodash.pullAt = pullAt;\n    lodash.range = range;\n    lodash.rangeRight = rangeRight;\n    lodash.rearg = rearg;\n    lodash.reject = reject;\n    lodash.remove = remove;\n    lodash.rest = rest;\n    lodash.reverse = reverse;\n    lodash.sampleSize = sampleSize;\n    lodash.set = set;\n    lodash.setWith = setWith;\n    lodash.shuffle = shuffle;\n    lodash.slice = slice;\n    lodash.sortBy = sortBy;\n    lodash.sortedUniq = sortedUniq;\n    lodash.sortedUniqBy = sortedUniqBy;\n    lodash.split = split;\n    lodash.spread = spread;\n    lodash.tail = tail;\n    lodash.take = take;\n    lodash.takeRight = takeRight;\n    lodash.takeRightWhile = takeRightWhile;\n    lodash.takeWhile = takeWhile;\n    lodash.tap = tap;\n    lodash.throttle = throttle;\n    lodash.thru = thru;\n    lodash.toArray = toArray;\n    lodash.toPairs = toPairs;\n    lodash.toPairsIn = toPairsIn;\n    lodash.toPath = toPath;\n    lodash.toPlainObject = toPlainObject;\n    lodash.transform = transform;\n    lodash.unary = unary;\n    lodash.union = union;\n    lodash.unionBy = unionBy;\n    lodash.unionWith = unionWith;\n    lodash.uniq = uniq;\n    lodash.uniqBy = uniqBy;\n    lodash.uniqWith = uniqWith;\n    lodash.unset = unset;\n    lodash.unzip = unzip;\n    lodash.unzipWith = unzipWith;\n    lodash.update = update;\n    lodash.updateWith = updateWith;\n    lodash.values = values;\n    lodash.valuesIn = valuesIn;\n    lodash.without = without;\n    lodash.words = words;\n    lodash.wrap = wrap;\n    lodash.xor = xor;\n    lodash.xorBy = xorBy;\n    lodash.xorWith = xorWith;\n    lodash.zip = zip;\n    lodash.zipObject = zipObject;\n    lodash.zipObjectDeep = zipObjectDeep;\n    lodash.zipWith = zipWith;\n\n    // Add aliases.\n    lodash.entries = toPairs;\n    lodash.entriesIn = toPairsIn;\n    lodash.extend = assignIn;\n    lodash.extendWith = assignInWith;\n\n    // Add methods to `lodash.prototype`.\n    mixin(lodash, lodash);\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return unwrapped values in chain sequences.\n    lodash.add = add;\n    lodash.attempt = attempt;\n    lodash.camelCase = camelCase;\n    lodash.capitalize = capitalize;\n    lodash.ceil = ceil;\n    lodash.clamp = clamp;\n    lodash.clone = clone;\n    lodash.cloneDeep = cloneDeep;\n    lodash.cloneDeepWith = cloneDeepWith;\n    lodash.cloneWith = cloneWith;\n    lodash.conformsTo = conformsTo;\n    lodash.deburr = deburr;\n    lodash.defaultTo = defaultTo;\n    lodash.divide = divide;\n    lodash.endsWith = endsWith;\n    lodash.eq = eq;\n    lodash.escape = escape;\n    lodash.escapeRegExp = escapeRegExp;\n    lodash.every = every;\n    lodash.find = find;\n    lodash.findIndex = findIndex;\n    lodash.findKey = findKey;\n    lodash.findLast = findLast;\n    lodash.findLastIndex = findLastIndex;\n    lodash.findLastKey = findLastKey;\n    lodash.floor = floor;\n    lodash.forEach = forEach;\n    lodash.forEachRight = forEachRight;\n    lodash.forIn = forIn;\n    lodash.forInRight = forInRight;\n    lodash.forOwn = forOwn;\n    lodash.forOwnRight = forOwnRight;\n    lodash.get = get;\n    lodash.gt = gt;\n    lodash.gte = gte;\n    lodash.has = has;\n    lodash.hasIn = hasIn;\n    lodash.head = head;\n    lodash.identity = identity;\n    lodash.includes = includes;\n    lodash.indexOf = indexOf;\n    lodash.inRange = inRange;\n    lodash.invoke = invoke;\n    lodash.isArguments = isArguments;\n    lodash.isArray = isArray;\n    lodash.isArrayBuffer = isArrayBuffer;\n    lodash.isArrayLike = isArrayLike;\n    lodash.isArrayLikeObject = isArrayLikeObject;\n    lodash.isBoolean = isBoolean;\n    lodash.isBuffer = isBuffer;\n    lodash.isDate = isDate;\n    lodash.isElement = isElement;\n    lodash.isEmpty = isEmpty;\n    lodash.isEqual = isEqual;\n    lodash.isEqualWith = isEqualWith;\n    lodash.isError = isError;\n    lodash.isFinite = isFinite;\n    lodash.isFunction = isFunction;\n    lodash.isInteger = isInteger;\n    lodash.isLength = isLength;\n    lodash.isMap = isMap;\n    lodash.isMatch = isMatch;\n    lodash.isMatchWith = isMatchWith;\n    lodash.isNaN = isNaN;\n    lodash.isNative = isNative;\n    lodash.isNil = isNil;\n    lodash.isNull = isNull;\n    lodash.isNumber = isNumber;\n    lodash.isObject = isObject;\n    lodash.isObjectLike = isObjectLike;\n    lodash.isPlainObject = isPlainObject;\n    lodash.isRegExp = isRegExp;\n    lodash.isSafeInteger = isSafeInteger;\n    lodash.isSet = isSet;\n    lodash.isString = isString;\n    lodash.isSymbol = isSymbol;\n    lodash.isTypedArray = isTypedArray;\n    lodash.isUndefined = isUndefined;\n    lodash.isWeakMap = isWeakMap;\n    lodash.isWeakSet = isWeakSet;\n    lodash.join = join;\n    lodash.kebabCase = kebabCase;\n    lodash.last = last;\n    lodash.lastIndexOf = lastIndexOf;\n    lodash.lowerCase = lowerCase;\n    lodash.lowerFirst = lowerFirst;\n    lodash.lt = lt;\n    lodash.lte = lte;\n    lodash.max = max;\n    lodash.maxBy = maxBy;\n    lodash.mean = mean;\n    lodash.meanBy = meanBy;\n    lodash.min = min;\n    lodash.minBy = minBy;\n    lodash.stubArray = stubArray;\n    lodash.stubFalse = stubFalse;\n    lodash.stubObject = stubObject;\n    lodash.stubString = stubString;\n    lodash.stubTrue = stubTrue;\n    lodash.multiply = multiply;\n    lodash.nth = nth;\n    lodash.noConflict = noConflict;\n    lodash.noop = noop;\n    lodash.now = now;\n    lodash.pad = pad;\n    lodash.padEnd = padEnd;\n    lodash.padStart = padStart;\n    lodash.parseInt = parseInt;\n    lodash.random = random;\n    lodash.reduce = reduce;\n    lodash.reduceRight = reduceRight;\n    lodash.repeat = repeat;\n    lodash.replace = replace;\n    lodash.result = result;\n    lodash.round = round;\n    lodash.runInContext = runInContext;\n    lodash.sample = sample;\n    lodash.size = size;\n    lodash.snakeCase = snakeCase;\n    lodash.some = some;\n    lodash.sortedIndex = sortedIndex;\n    lodash.sortedIndexBy = sortedIndexBy;\n    lodash.sortedIndexOf = sortedIndexOf;\n    lodash.sortedLastIndex = sortedLastIndex;\n    lodash.sortedLastIndexBy = sortedLastIndexBy;\n    lodash.sortedLastIndexOf = sortedLastIndexOf;\n    lodash.startCase = startCase;\n    lodash.startsWith = startsWith;\n    lodash.subtract = subtract;\n    lodash.sum = sum;\n    lodash.sumBy = sumBy;\n    lodash.template = template;\n    lodash.times = times;\n    lodash.toFinite = toFinite;\n    lodash.toInteger = toInteger;\n    lodash.toLength = toLength;\n    lodash.toLower = toLower;\n    lodash.toNumber = toNumber;\n    lodash.toSafeInteger = toSafeInteger;\n    lodash.toString = toString;\n    lodash.toUpper = toUpper;\n    lodash.trim = trim;\n    lodash.trimEnd = trimEnd;\n    lodash.trimStart = trimStart;\n    lodash.truncate = truncate;\n    lodash.unescape = unescape;\n    lodash.uniqueId = uniqueId;\n    lodash.upperCase = upperCase;\n    lodash.upperFirst = upperFirst;\n\n    // Add aliases.\n    lodash.each = forEach;\n    lodash.eachRight = forEachRight;\n    lodash.first = head;\n\n    mixin(lodash, (function() {\n      var source = {};\n      baseForOwn(lodash, function(func, methodName) {\n        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n          source[methodName] = func;\n        }\n      });\n      return source;\n    }()), { 'chain': false });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The semantic version number.\n     *\n     * @static\n     * @memberOf _\n     * @type {string}\n     */\n    lodash.VERSION = VERSION;\n\n    // Assign default placeholders.\n    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n      lodash[methodName].placeholder = lodash;\n    });\n\n    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n    arrayEach(['drop', 'take'], function(methodName, index) {\n      LazyWrapper.prototype[methodName] = function(n) {\n        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\n        var result = (this.__filtered__ && !index)\n          ? new LazyWrapper(this)\n          : this.clone();\n\n        if (result.__filtered__) {\n          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n        } else {\n          result.__views__.push({\n            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n            'type': methodName + (result.__dir__ < 0 ? 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(function (C) {\n\t      var F = function (a, b, c) {\n\t        if (this instanceof C) {\n\t          switch (arguments.length) {\n\t            case 0: return new C();\n\t            case 1: return new C(a);\n\t            case 2: return new C(a, b);\n\t          } return new C(a, b, c);\n\t        } return C.apply(this, arguments);\n\t      };\n\t      F[PROTOTYPE] = C[PROTOTYPE];\n\t      return F;\n\t    // make static versions for prototype methods\n\t    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n\t    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n\t    if (IS_PROTO) {\n\t      (exports.virtual || (exports.virtual = {}))[key] = out;\n\t      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n\t      if (type & $export.R && expProto && !expProto[key]) hide(expProto, key, out);\n\t    }\n\t  }\n\t};\n\t// type bitmap\n\t$export.F = 1;   // forced\n\t$export.G = 2;   // global\n\t$export.S = 4;   // static\n\t$export.P = 8;   // proto\n\t$export.B = 16;  // bind\n\t$export.W = 32;  // wrap\n\t$export.U = 64;  // safe\n\t$export.R = 128; // real proto method for `library`\n\tmodule.exports = $export;\n\n\n/***/ }),\n/* 7 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar dP = __webpack_require__(5);\n\tvar createDesc = __webpack_require__(16);\n\tmodule.exports = __webpack_require__(3) ? function (object, key, value) {\n\t  return dP.f(object, key, createDesc(1, value));\n\t} : function (object, key, value) {\n\t  object[key] = value;\n\t  return object;\n\t};\n\n\n/***/ }),\n/* 8 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// to indexed object, toObject with fallback for non-array-like ES3 strings\n\tvar IObject = __webpack_require__(141);\n\tvar defined = __webpack_require__(24);\n\tmodule.exports = function (it) {\n\t  return IObject(defined(it));\n\t};\n\n\n/***/ }),\n/* 9 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar store = __webpack_require__(33)('wks');\n\tvar uid = __webpack_require__(17);\n\tvar Symbol = __webpack_require__(2).Symbol;\n\tvar USE_SYMBOL = typeof Symbol == 'function';\n\t\n\tvar $exports = module.exports = function (name) {\n\t  return store[name] || (store[name] =\n\t    USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name));\n\t};\n\t\n\t$exports.store = store;\n\n\n/***/ }),\n/* 10 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function(module) {\r\n\t\tif(!module.webpackPolyfill) {\r\n\t\t\tmodule.deprecate = function() {};\r\n\t\t\tmodule.paths = [];\r\n\t\t\t// module.parent = undefined by default\r\n\t\t\tmodule.children = [];\r\n\t\t\tmodule.webpackPolyfill = 1;\r\n\t\t}\r\n\t\treturn module;\r\n\t}\r\n\n\n/***/ }),\n/* 11 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar isObject = __webpack_require__(13);\n\tmodule.exports = function (it) {\n\t  if (!isObject(it)) throw TypeError(it + ' is not an object!');\n\t  return it;\n\t};\n\n\n/***/ }),\n/* 12 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (exec) {\n\t  try {\n\t    return !!exec();\n\t  } catch (e) {\n\t    return true;\n\t  }\n\t};\n\n\n/***/ }),\n/* 13 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (it) {\n\t  return typeof it === 'object' ? it !== null : typeof it === 'function';\n\t};\n\n\n/***/ }),\n/* 14 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// Thank's IE8 for his funny defineProperty\n\tmodule.exports = !__webpack_require__(42)(function () {\n\t  return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;\n\t});\n\n\n/***/ }),\n/* 15 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// Thank's IE8 for his funny defineProperty\n\tmodule.exports = !__webpack_require__(46)(function () {\n\t  return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;\n\t});\n\n\n/***/ }),\n/* 16 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (bitmap, value) {\n\t  return {\n\t    enumerable: !(bitmap & 1),\n\t    configurable: !(bitmap & 2),\n\t    writable: !(bitmap & 4),\n\t    value: value\n\t  };\n\t};\n\n\n/***/ }),\n/* 17 */\n/***/ (function(module, exports) {\n\n\tvar id = 0;\n\tvar px = Math.random();\n\tmodule.exports = function (key) {\n\t  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));\n\t};\n\n\n/***/ }),\n/* 18 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// Thank's IE8 for his funny defineProperty\n\tmodule.exports = !__webpack_require__(64)(function () {\n\t  return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;\n\t});\n\n\n/***/ }),\n/* 19 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// Thank's IE8 for his funny defineProperty\n\tmodule.exports = !__webpack_require__(68)(function () {\n\t  return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;\n\t});\n\n\n/***/ }),\n/* 20 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (it) {\n\t  return typeof it === 'object' ? it !== null : typeof it === 'function';\n\t};\n\n\n/***/ }),\n/* 21 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (it) {\n\t  return typeof it === 'object' ? it !== null : typeof it === 'function';\n\t};\n\n\n/***/ }),\n/* 22 */\n/***/ (function(module, exports) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\texports.default = function (instance, Constructor) {\n\t  if (!(instance instanceof Constructor)) {\n\t    throw new TypeError(\"Cannot call a class as a function\");\n\t  }\n\t};\n\n/***/ }),\n/* 23 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\tvar _defineProperty = __webpack_require__(123);\n\t\n\tvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = function () {\n\t  function defineProperties(target, props) {\n\t    for (var i = 0; i < props.length; i++) {\n\t      var descriptor = props[i];\n\t      descriptor.enumerable = descriptor.enumerable || false;\n\t      descriptor.configurable = true;\n\t      if (\"value\" in descriptor) descriptor.writable = true;\n\t      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n\t    }\n\t  }\n\t\n\t  return function (Constructor, protoProps, staticProps) {\n\t    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n\t    if (staticProps) defineProperties(Constructor, staticProps);\n\t    return Constructor;\n\t  };\n\t}();\n\n/***/ }),\n/* 24 */\n/***/ (function(module, exports) {\n\n\t// 7.2.1 RequireObjectCoercible(argument)\n\tmodule.exports = function (it) {\n\t  if (it == undefined) throw TypeError(\"Can't call method on  \" + it);\n\t  return it;\n\t};\n\n\n/***/ }),\n/* 25 */\n/***/ (function(module, exports) {\n\n\t// IE 8- don't enum bug keys\n\tmodule.exports = (\n\t  'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'\n\t).split(',');\n\n\n/***/ }),\n/* 26 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = {};\n\n\n/***/ }),\n/* 27 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = true;\n\n\n/***/ }),\n/* 28 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\n\tvar anObject = __webpack_require__(11);\n\tvar dPs = __webpack_require__(146);\n\tvar enumBugKeys = __webpack_require__(25);\n\tvar IE_PROTO = __webpack_require__(32)('IE_PROTO');\n\tvar Empty = function () { /* empty */ };\n\tvar PROTOTYPE = 'prototype';\n\t\n\t// Create object with fake `null` prototype: use iframe Object with cleared prototype\n\tvar createDict = function () {\n\t  // Thrash, waste and sodomy: IE GC bug\n\t  var iframe = __webpack_require__(52)('iframe');\n\t  var i = enumBugKeys.length;\n\t  var lt = '<';\n\t  var gt = '>';\n\t  var iframeDocument;\n\t  iframe.style.display = 'none';\n\t  __webpack_require__(140).appendChild(iframe);\n\t  iframe.src = 'javascript:'; // eslint-disable-line no-script-url\n\t  // createDict = iframe.contentWindow.Object;\n\t  // html.removeChild(iframe);\n\t  iframeDocument = iframe.contentWindow.document;\n\t  iframeDocument.open();\n\t  iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);\n\t  iframeDocument.close();\n\t  createDict = iframeDocument.F;\n\t  while (i--) delete createDict[PROTOTYPE][enumBugKeys[i]];\n\t  return createDict();\n\t};\n\t\n\tmodule.exports = Object.create || function create(O, Properties) {\n\t  var result;\n\t  if (O !== null) {\n\t    Empty[PROTOTYPE] = anObject(O);\n\t    result = new Empty();\n\t    Empty[PROTOTYPE] = null;\n\t    // add \"__proto__\" for Object.getPrototypeOf polyfill\n\t    result[IE_PROTO] = O;\n\t  } else result = createDict();\n\t  return Properties === undefined ? result : dPs(result, Properties);\n\t};\n\n\n/***/ }),\n/* 29 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 19.1.2.14 / 15.2.3.14 Object.keys(O)\n\tvar $keys = __webpack_require__(59);\n\tvar enumBugKeys = __webpack_require__(25);\n\t\n\tmodule.exports = Object.keys || function keys(O) {\n\t  return $keys(O, enumBugKeys);\n\t};\n\n\n/***/ }),\n/* 30 */\n/***/ (function(module, exports) {\n\n\texports.f = {}.propertyIsEnumerable;\n\n\n/***/ }),\n/* 31 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar def = __webpack_require__(5).f;\n\tvar has = __webpack_require__(4);\n\tvar TAG = __webpack_require__(9)('toStringTag');\n\t\n\tmodule.exports = function (it, tag, stat) {\n\t  if (it && !has(it = stat ? it : it.prototype, TAG)) def(it, TAG, { configurable: true, value: tag });\n\t};\n\n\n/***/ }),\n/* 32 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar shared = __webpack_require__(33)('keys');\n\tvar uid = __webpack_require__(17);\n\tmodule.exports = function (key) {\n\t  return shared[key] || (shared[key] = uid(key));\n\t};\n\n\n/***/ }),\n/* 33 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar global = __webpack_require__(2);\n\tvar SHARED = '__core-js_shared__';\n\tvar store = global[SHARED] || (global[SHARED] = {});\n\tmodule.exports = function (key) {\n\t  return store[key] || (store[key] = {});\n\t};\n\n\n/***/ }),\n/* 34 */\n/***/ (function(module, exports) {\n\n\t// 7.1.4 ToInteger\n\tvar ceil = Math.ceil;\n\tvar floor = Math.floor;\n\tmodule.exports = function (it) {\n\t  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);\n\t};\n\n\n/***/ }),\n/* 35 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 7.1.1 ToPrimitive(input [, PreferredType])\n\tvar isObject = __webpack_require__(13);\n\t// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n\t// and the second argument - flag - preferred type is a string\n\tmodule.exports = function (it, S) {\n\t  if (!isObject(it)) return it;\n\t  var fn, val;\n\t  if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n\t  if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;\n\t  if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n\t  throw TypeError(\"Can't convert object to primitive value\");\n\t};\n\n\n/***/ }),\n/* 36 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar global = __webpack_require__(2);\n\tvar core = __webpack_require__(1);\n\tvar LIBRARY = __webpack_require__(27);\n\tvar wksExt = __webpack_require__(37);\n\tvar defineProperty = __webpack_require__(5).f;\n\tmodule.exports = function (name) {\n\t  var $Symbol = core.Symbol || (core.Symbol = LIBRARY ? {} : global.Symbol || {});\n\t  if (name.charAt(0) != '_' && !(name in $Symbol)) defineProperty($Symbol, name, { value: wksExt.f(name) });\n\t};\n\n\n/***/ }),\n/* 37 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\texports.f = __webpack_require__(9);\n\n\n/***/ }),\n/* 38 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (it) {\n\t  return typeof it === 'object' ? it !== null : typeof it === 'function';\n\t};\n\n\n/***/ }),\n/* 39 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (it) {\n\t  return typeof it === 'object' ? it !== null : typeof it === 'function';\n\t};\n\n\n/***/ }),\n/* 40 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tvar _radioComponent = __webpack_require__(90);\n\t\n\tvar _radioComponent2 = _interopRequireDefault(_radioComponent);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tangular.module('oui.radio', []).component('ouiRadio', _radioComponent2.default);\n\n/***/ }),\n/* 41 */\n/***/ (function(module, exports) {\n\n\tvar core = module.exports = { version: '2.5.1' };\n\tif (typeof __e == 'number') __e = core; // eslint-disable-line no-undef\n\n\n/***/ }),\n/* 42 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (exec) {\n\t  try {\n\t    return !!exec();\n\t  } catch (e) {\n\t    return true;\n\t  }\n\t};\n\n\n/***/ }),\n/* 43 */\n/***/ (function(module, exports) {\n\n\t// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\n\tvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n\t  ? window : typeof self != 'undefined' && self.Math == Math ? self\n\t  // eslint-disable-next-line no-new-func\n\t  : Function('return this')();\n\tif (typeof __g == 'number') __g = global; // eslint-disable-line no-undef\n\n\n/***/ }),\n/* 44 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar anObject = __webpack_require__(97);\n\tvar IE8_DOM_DEFINE = __webpack_require__(102);\n\tvar toPrimitive = __webpack_require__(104);\n\tvar dP = Object.defineProperty;\n\t\n\texports.f = __webpack_require__(14) ? Object.defineProperty : function defineProperty(O, P, Attributes) {\n\t  anObject(O);\n\t  P = toPrimitive(P, true);\n\t  anObject(Attributes);\n\t  if (IE8_DOM_DEFINE) try {\n\t    return dP(O, P, Attributes);\n\t  } catch (e) { /* empty */ }\n\t  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');\n\t  if ('value' in Attributes) O[P] = Attributes.value;\n\t  return O;\n\t};\n\n\n/***/ }),\n/* 45 */\n/***/ (function(module, exports) {\n\n\tvar core = module.exports = { version: '2.5.1' };\n\tif (typeof __e == 'number') __e = core; // eslint-disable-line no-undef\n\n\n/***/ }),\n/* 46 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (exec) {\n\t  try {\n\t    return !!exec();\n\t  } catch (e) {\n\t    return true;\n\t  }\n\t};\n\n\n/***/ }),\n/* 47 */\n/***/ (function(module, exports) {\n\n\t// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\n\tvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n\t  ? window : typeof self != 'undefined' && self.Math == Math ? self\n\t  // eslint-disable-next-line no-new-func\n\t  : Function('return this')();\n\tif (typeof __g == 'number') __g = global; // eslint-disable-line no-undef\n\n\n/***/ }),\n/* 48 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar anObject = __webpack_require__(112);\n\tvar IE8_DOM_DEFINE = __webpack_require__(117);\n\tvar toPrimitive = __webpack_require__(119);\n\tvar dP = Object.defineProperty;\n\t\n\texports.f = __webpack_require__(15) ? Object.defineProperty : function defineProperty(O, P, Attributes) {\n\t  anObject(O);\n\t  P = toPrimitive(P, true);\n\t  anObject(Attributes);\n\t  if (IE8_DOM_DEFINE) try {\n\t    return dP(O, P, Attributes);\n\t  } catch (e) { /* empty */ }\n\t  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');\n\t  if ('value' in Attributes) O[P] = Attributes.value;\n\t  return O;\n\t};\n\n\n/***/ }),\n/* 49 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\tvar _iterator = __webpack_require__(127);\n\t\n\tvar _iterator2 = _interopRequireDefault(_iterator);\n\t\n\tvar _symbol = __webpack_require__(126);\n\t\n\tvar _symbol2 = _interopRequireDefault(_symbol);\n\t\n\tvar _typeof = typeof _symbol2.default === \"function\" && typeof _iterator2.default === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof _symbol2.default === \"function\" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? \"symbol\" : typeof obj; };\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = typeof _symbol2.default === \"function\" && _typeof(_iterator2.default) === \"symbol\" ? function (obj) {\n\t  return typeof obj === \"undefined\" ? \"undefined\" : _typeof(obj);\n\t} : function (obj) {\n\t  return obj && typeof _symbol2.default === \"function\" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? \"symbol\" : typeof obj === \"undefined\" ? \"undefined\" : _typeof(obj);\n\t};\n\n/***/ }),\n/* 50 */\n/***/ (function(module, exports) {\n\n\tvar toString = {}.toString;\n\t\n\tmodule.exports = function (it) {\n\t  return toString.call(it).slice(8, -1);\n\t};\n\n\n/***/ }),\n/* 51 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// optional / simple context binding\n\tvar aFunction = __webpack_require__(136);\n\tmodule.exports = function (fn, that, length) {\n\t  aFunction(fn);\n\t  if (that === undefined) return fn;\n\t  switch (length) {\n\t    case 1: return function (a) {\n\t      return fn.call(that, a);\n\t    };\n\t    case 2: return function (a, b) {\n\t      return fn.call(that, a, b);\n\t    };\n\t    case 3: return function (a, b, c) {\n\t      return fn.call(that, a, b, c);\n\t    };\n\t  }\n\t  return function (/* ...args */) {\n\t    return fn.apply(that, arguments);\n\t  };\n\t};\n\n\n/***/ }),\n/* 52 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar isObject = __webpack_require__(13);\n\tvar document = __webpack_require__(2).document;\n\t// typeof document.createElement is 'object' in old IE\n\tvar is = isObject(document) && isObject(document.createElement);\n\tmodule.exports = function (it) {\n\t  return is ? document.createElement(it) : {};\n\t};\n\n\n/***/ }),\n/* 53 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = !__webpack_require__(3) && !__webpack_require__(12)(function () {\n\t  return Object.defineProperty(__webpack_require__(52)('div'), 'a', { get: function () { return 7; } }).a != 7;\n\t});\n\n\n/***/ }),\n/* 54 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\tvar LIBRARY = __webpack_require__(27);\n\tvar $export = __webpack_require__(6);\n\tvar redefine = __webpack_require__(60);\n\tvar hide = __webpack_require__(7);\n\tvar has = __webpack_require__(4);\n\tvar Iterators = __webpack_require__(26);\n\tvar $iterCreate = __webpack_require__(143);\n\tvar setToStringTag = __webpack_require__(31);\n\tvar getPrototypeOf = __webpack_require__(58);\n\tvar ITERATOR = __webpack_require__(9)('iterator');\n\tvar BUGGY = !([].keys && 'next' in [].keys()); // Safari has buggy iterators w/o `next`\n\tvar FF_ITERATOR = '@@iterator';\n\tvar KEYS = 'keys';\n\tvar VALUES = 'values';\n\t\n\tvar returnThis = function () { return this; };\n\t\n\tmodule.exports = function (Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED) {\n\t  $iterCreate(Constructor, NAME, next);\n\t  var getMethod = function (kind) {\n\t    if (!BUGGY && kind in proto) return proto[kind];\n\t    switch (kind) {\n\t      case KEYS: return function keys() { return new Constructor(this, kind); };\n\t      case VALUES: return function values() { return new Constructor(this, kind); };\n\t    } return function entries() { return new Constructor(this, kind); };\n\t  };\n\t  var TAG = NAME + ' Iterator';\n\t  var DEF_VALUES = DEFAULT == VALUES;\n\t  var VALUES_BUG = false;\n\t  var proto = Base.prototype;\n\t  var $native = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT];\n\t  var $default = $native || getMethod(DEFAULT);\n\t  var $entries = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined;\n\t  var $anyNative = NAME == 'Array' ? proto.entries || $native : $native;\n\t  var methods, key, IteratorPrototype;\n\t  // Fix native\n\t  if ($anyNative) {\n\t    IteratorPrototype = getPrototypeOf($anyNative.call(new Base()));\n\t    if (IteratorPrototype !== Object.prototype && IteratorPrototype.next) {\n\t      // Set @@toStringTag to native iterators\n\t      setToStringTag(IteratorPrototype, TAG, true);\n\t      // fix for some old engines\n\t      if (!LIBRARY && !has(IteratorPrototype, ITERATOR)) hide(IteratorPrototype, ITERATOR, returnThis);\n\t    }\n\t  }\n\t  // fix Array#{values, @@iterator}.name in V8 / FF\n\t  if (DEF_VALUES && $native && $native.name !== VALUES) {\n\t    VALUES_BUG = true;\n\t    $default = function values() { return $native.call(this); };\n\t  }\n\t  // Define iterator\n\t  if ((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])) {\n\t    hide(proto, ITERATOR, $default);\n\t  }\n\t  // Plug for library\n\t  Iterators[NAME] = $default;\n\t  Iterators[TAG] = returnThis;\n\t  if (DEFAULT) {\n\t    methods = {\n\t      values: DEF_VALUES ? $default : getMethod(VALUES),\n\t      keys: IS_SET ? $default : getMethod(KEYS),\n\t      entries: $entries\n\t    };\n\t    if (FORCED) for (key in methods) {\n\t      if (!(key in proto)) redefine(proto, key, methods[key]);\n\t    } else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods);\n\t  }\n\t  return methods;\n\t};\n\n\n/***/ }),\n/* 55 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar pIE = __webpack_require__(30);\n\tvar createDesc = __webpack_require__(16);\n\tvar toIObject = __webpack_require__(8);\n\tvar toPrimitive = __webpack_require__(35);\n\tvar has = __webpack_require__(4);\n\tvar IE8_DOM_DEFINE = __webpack_require__(53);\n\tvar gOPD = Object.getOwnPropertyDescriptor;\n\t\n\texports.f = __webpack_require__(3) ? gOPD : function getOwnPropertyDescriptor(O, P) {\n\t  O = toIObject(O);\n\t  P = toPrimitive(P, true);\n\t  if (IE8_DOM_DEFINE) try {\n\t    return gOPD(O, P);\n\t  } catch (e) { /* empty */ }\n\t  if (has(O, P)) return createDesc(!pIE.f.call(O, P), O[P]);\n\t};\n\n\n/***/ }),\n/* 56 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)\n\tvar $keys = __webpack_require__(59);\n\tvar hiddenKeys = __webpack_require__(25).concat('length', 'prototype');\n\t\n\texports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {\n\t  return $keys(O, hiddenKeys);\n\t};\n\n\n/***/ }),\n/* 57 */\n/***/ (function(module, exports) {\n\n\texports.f = Object.getOwnPropertySymbols;\n\n\n/***/ }),\n/* 58 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)\n\tvar has = __webpack_require__(4);\n\tvar toObject = __webpack_require__(61);\n\tvar IE_PROTO = __webpack_require__(32)('IE_PROTO');\n\tvar ObjectProto = Object.prototype;\n\t\n\tmodule.exports = Object.getPrototypeOf || function (O) {\n\t  O = toObject(O);\n\t  if (has(O, IE_PROTO)) return O[IE_PROTO];\n\t  if (typeof O.constructor == 'function' && O instanceof O.constructor) {\n\t    return O.constructor.prototype;\n\t  } return O instanceof Object ? ObjectProto : null;\n\t};\n\n\n/***/ }),\n/* 59 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar has = __webpack_require__(4);\n\tvar toIObject = __webpack_require__(8);\n\tvar arrayIndexOf = __webpack_require__(138)(false);\n\tvar IE_PROTO = __webpack_require__(32)('IE_PROTO');\n\t\n\tmodule.exports = function (object, names) {\n\t  var O = toIObject(object);\n\t  var i = 0;\n\t  var result = [];\n\t  var key;\n\t  for (key in O) if (key != IE_PROTO) has(O, key) && result.push(key);\n\t  // Don't enum bug & hidden keys\n\t  while (names.length > i) if (has(O, key = names[i++])) {\n\t    ~arrayIndexOf(result, key) || result.push(key);\n\t  }\n\t  return result;\n\t};\n\n\n/***/ }),\n/* 60 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = __webpack_require__(7);\n\n\n/***/ }),\n/* 61 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 7.1.13 ToObject(argument)\n\tvar defined = __webpack_require__(24);\n\tmodule.exports = function (it) {\n\t  return Object(defined(it));\n\t};\n\n\n/***/ }),\n/* 62 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(global, module) {/**\n\t * @license\n\t * Lodash <https://lodash.com/>\n\t * Copyright JS Foundation and other contributors <https://js.foundation/>\n\t * Released under MIT license <https://lodash.com/license>\n\t * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n\t * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n\t */\n\t;(function() {\n\t\n\t  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n\t  var undefined;\n\t\n\t  /** Used as the semantic version number. */\n\t  var VERSION = '4.17.4';\n\t\n\t  /** Used as the size to enable large array optimizations. */\n\t  var LARGE_ARRAY_SIZE = 200;\n\t\n\t  /** Error message constants. */\n\t  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n\t      FUNC_ERROR_TEXT = 'Expected a function';\n\t\n\t  /** Used to stand-in for `undefined` hash values. */\n\t  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\t\n\t  /** Used as the maximum memoize cache size. */\n\t  var MAX_MEMOIZE_SIZE = 500;\n\t\n\t  /** Used as the internal argument placeholder. */\n\t  var PLACEHOLDER = '__lodash_placeholder__';\n\t\n\t  /** Used to compose bitmasks for cloning. */\n\t  var CLONE_DEEP_FLAG = 1,\n\t      CLONE_FLAT_FLAG = 2,\n\t      CLONE_SYMBOLS_FLAG = 4;\n\t\n\t  /** Used to compose bitmasks for value comparisons. */\n\t  var COMPARE_PARTIAL_FLAG = 1,\n\t      COMPARE_UNORDERED_FLAG = 2;\n\t\n\t  /** Used to compose bitmasks for function metadata. */\n\t  var WRAP_BIND_FLAG = 1,\n\t      WRAP_BIND_KEY_FLAG = 2,\n\t      WRAP_CURRY_BOUND_FLAG = 4,\n\t      WRAP_CURRY_FLAG = 8,\n\t      WRAP_CURRY_RIGHT_FLAG = 16,\n\t      WRAP_PARTIAL_FLAG = 32,\n\t      WRAP_PARTIAL_RIGHT_FLAG = 64,\n\t      WRAP_ARY_FLAG = 128,\n\t      WRAP_REARG_FLAG = 256,\n\t      WRAP_FLIP_FLAG = 512;\n\t\n\t  /** Used as default options for `_.truncate`. */\n\t  var DEFAULT_TRUNC_LENGTH = 30,\n\t      DEFAULT_TRUNC_OMISSION = '...';\n\t\n\t  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n\t  var HOT_COUNT = 800,\n\t      HOT_SPAN = 16;\n\t\n\t  /** Used to indicate the type of lazy iteratees. */\n\t  var LAZY_FILTER_FLAG = 1,\n\t      LAZY_MAP_FLAG = 2,\n\t      LAZY_WHILE_FLAG = 3;\n\t\n\t  /** Used as references for various `Number` constants. */\n\t  var INFINITY = 1 / 0,\n\t      MAX_SAFE_INTEGER = 9007199254740991,\n\t      MAX_INTEGER = 1.7976931348623157e+308,\n\t      NAN = 0 / 0;\n\t\n\t  /** Used as references for the maximum length and index of an array. */\n\t  var MAX_ARRAY_LENGTH = 4294967295,\n\t      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n\t      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\t\n\t  /** Used to associate wrap methods with their bit flags. */\n\t  var wrapFlags = [\n\t    ['ary', WRAP_ARY_FLAG],\n\t    ['bind', WRAP_BIND_FLAG],\n\t    ['bindKey', WRAP_BIND_KEY_FLAG],\n\t    ['curry', WRAP_CURRY_FLAG],\n\t    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n\t    ['flip', WRAP_FLIP_FLAG],\n\t    ['partial', WRAP_PARTIAL_FLAG],\n\t    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n\t    ['rearg', WRAP_REARG_FLAG]\n\t  ];\n\t\n\t  /** `Object#toString` result references. */\n\t  var argsTag = '[object Arguments]',\n\t      arrayTag = '[object Array]',\n\t      asyncTag = '[object AsyncFunction]',\n\t      boolTag = '[object Boolean]',\n\t      dateTag = '[object Date]',\n\t      domExcTag = '[object DOMException]',\n\t      errorTag = '[object Error]',\n\t      funcTag = '[object Function]',\n\t      genTag = '[object GeneratorFunction]',\n\t      mapTag = '[object Map]',\n\t      numberTag = '[object Number]',\n\t      nullTag = '[object Null]',\n\t      objectTag = '[object Object]',\n\t      promiseTag = '[object Promise]',\n\t      proxyTag = '[object Proxy]',\n\t      regexpTag = '[object RegExp]',\n\t      setTag = '[object Set]',\n\t      stringTag = '[object String]',\n\t      symbolTag = '[object Symbol]',\n\t      undefinedTag = '[object Undefined]',\n\t      weakMapTag = '[object WeakMap]',\n\t      weakSetTag = '[object WeakSet]';\n\t\n\t  var arrayBufferTag = '[object ArrayBuffer]',\n\t      dataViewTag = '[object DataView]',\n\t      float32Tag = '[object Float32Array]',\n\t      float64Tag = '[object Float64Array]',\n\t      int8Tag = '[object Int8Array]',\n\t      int16Tag = '[object Int16Array]',\n\t      int32Tag = '[object Int32Array]',\n\t      uint8Tag = '[object Uint8Array]',\n\t      uint8ClampedTag = '[object Uint8ClampedArray]',\n\t      uint16Tag = '[object Uint16Array]',\n\t      uint32Tag = '[object Uint32Array]';\n\t\n\t  /** Used to match empty string literals in compiled template source. */\n\t  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n\t      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n\t      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\t\n\t  /** Used to match HTML entities and HTML characters. */\n\t  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n\t      reUnescapedHtml = /[&<>\"']/g,\n\t      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n\t      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\t\n\t  /** Used to match template delimiters. */\n\t  var reEscape = /<%-([\\s\\S]+?)%>/g,\n\t      reEvaluate = /<%([\\s\\S]+?)%>/g,\n\t      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\t\n\t  /** Used to match property names within property paths. */\n\t  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n\t      reIsPlainProp = /^\\w*$/,\n\t      reLeadingDot = /^\\./,\n\t      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\t\n\t  /**\n\t   * Used to match `RegExp`\n\t   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n\t   */\n\t  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n\t      reHasRegExpChar = RegExp(reRegExpChar.source);\n\t\n\t  /** Used to match leading and trailing whitespace. */\n\t  var reTrim = /^\\s+|\\s+$/g,\n\t      reTrimStart = /^\\s+/,\n\t      reTrimEnd = /\\s+$/;\n\t\n\t  /** Used to match wrap detail comments. */\n\t  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n\t      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n\t      reSplitDetails = /,? & /;\n\t\n\t  /** Used to match words composed of alphanumeric characters. */\n\t  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\t\n\t  /** Used to match backslashes in property paths. */\n\t  var reEscapeChar = /\\\\(\\\\)?/g;\n\t\n\t  /**\n\t   * Used to match\n\t   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n\t   */\n\t  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\t\n\t  /** Used to match `RegExp` flags from their coerced string values. */\n\t  var reFlags = /\\w*$/;\n\t\n\t  /** Used to detect bad signed hexadecimal string values. */\n\t  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\t\n\t  /** Used to detect binary string values. */\n\t  var reIsBinary = /^0b[01]+$/i;\n\t\n\t  /** Used to detect host constructors (Safari). */\n\t  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\t\n\t  /** Used to detect octal string values. */\n\t  var reIsOctal = /^0o[0-7]+$/i;\n\t\n\t  /** Used to detect unsigned integer values. */\n\t  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\t\n\t  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n\t  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\t\n\t  /** Used to ensure capturing order of template delimiters. */\n\t  var reNoMatch = /($^)/;\n\t\n\t  /** Used to match unescaped characters in compiled string literals. */\n\t  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\t\n\t  /** Used to compose unicode character classes. */\n\t  var rsAstralRange = '\\\\ud800-\\\\udfff',\n\t      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n\t      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n\t      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n\t      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n\t      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n\t      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n\t      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n\t      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n\t      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n\t      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n\t      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n\t      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n\t      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\t\n\t  /** Used to compose unicode capture groups. */\n\t  var rsApos = \"['\\u2019]\",\n\t      rsAstral = '[' + rsAstralRange + ']',\n\t      rsBreak = '[' + rsBreakRange + ']',\n\t      rsCombo = '[' + rsComboRange + ']',\n\t      rsDigits = '\\\\d+',\n\t      rsDingbat = '[' + rsDingbatRange + ']',\n\t      rsLower = '[' + rsLowerRange + ']',\n\t      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n\t      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n\t      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n\t      rsNonAstral = '[^' + rsAstralRange + ']',\n\t      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n\t      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n\t      rsUpper = '[' + rsUpperRange + ']',\n\t      rsZWJ = '\\\\u200d';\n\t\n\t  /** Used to compose unicode regexes. */\n\t  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n\t      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n\t      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n\t      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n\t      reOptMod = rsModifier + '?',\n\t      rsOptVar = '[' + rsVarRange + ']?',\n\t      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n\t      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n\t      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n\t      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n\t      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n\t      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\t\n\t  /** Used to match apostrophes. */\n\t  var reApos = RegExp(rsApos, 'g');\n\t\n\t  /**\n\t   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n\t   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n\t   */\n\t  var reComboMark = RegExp(rsCombo, 'g');\n\t\n\t  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n\t  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\t\n\t  /** Used to match complex or compound words. */\n\t  var reUnicodeWord = RegExp([\n\t    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n\t    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n\t    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n\t    rsUpper + '+' + rsOptContrUpper,\n\t    rsOrdUpper,\n\t    rsOrdLower,\n\t    rsDigits,\n\t    rsEmoji\n\t  ].join('|'), 'g');\n\t\n\t  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n\t  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\t\n\t  /** Used to detect strings that need a more robust regexp to match words. */\n\t  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\t\n\t  /** Used to assign default `context` object properties. */\n\t  var contextProps = [\n\t    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n\t    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n\t    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n\t    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n\t    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n\t  ];\n\t\n\t  /** Used to make template sourceURLs easier to identify. */\n\t  var templateCounter = -1;\n\t\n\t  /** Used to identify `toStringTag` values of typed arrays. */\n\t  var typedArrayTags = {};\n\t  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n\t  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n\t  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n\t  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n\t  typedArrayTags[uint32Tag] = true;\n\t  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n\t  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n\t  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n\t  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n\t  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n\t  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n\t  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n\t  typedArrayTags[weakMapTag] = false;\n\t\n\t  /** Used to identify `toStringTag` values supported by `_.clone`. */\n\t  var cloneableTags = {};\n\t  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n\t  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n\t  cloneableTags[boolTag] = cloneableTags[dateTag] =\n\t  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n\t  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n\t  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n\t  cloneableTags[numberTag] = cloneableTags[objectTag] =\n\t  cloneableTags[regexpTag] = cloneableTags[setTag] =\n\t  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n\t  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n\t  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n\t  cloneableTags[errorTag] = cloneableTags[funcTag] =\n\t  cloneableTags[weakMapTag] = false;\n\t\n\t  /** Used to map Latin Unicode letters to basic Latin letters. */\n\t  var deburredLetters = {\n\t    // Latin-1 Supplement block.\n\t    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n\t    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n\t    '\\xc7': 'C',  '\\xe7': 'c',\n\t    '\\xd0': 'D',  '\\xf0': 'd',\n\t    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n\t    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n\t    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n\t    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n\t    '\\xd1': 'N',  '\\xf1': 'n',\n\t    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n\t    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n\t    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n\t    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n\t    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n\t    '\\xc6': 'Ae', '\\xe6': 'ae',\n\t    '\\xde': 'Th', '\\xfe': 'th',\n\t    '\\xdf': 'ss',\n\t    // Latin Extended-A block.\n\t    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n\t    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n\t    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n\t    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n\t    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n\t    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n\t    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n\t    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n\t    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n\t    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n\t    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n\t    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n\t    '\\u0134': 'J',  '\\u0135': 'j',\n\t    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n\t    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n\t    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n\t    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n\t    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n\t    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n\t    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n\t    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n\t    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n\t    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n\t    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n\t    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n\t    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n\t    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n\t    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n\t    '\\u0174': 'W',  '\\u0175': 'w',\n\t    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n\t    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n\t    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n\t    '\\u0132': 'IJ', '\\u0133': 'ij',\n\t    '\\u0152': 'Oe', '\\u0153': 'oe',\n\t    '\\u0149': \"'n\", '\\u017f': 's'\n\t  };\n\t\n\t  /** Used to map characters to HTML entities. */\n\t  var htmlEscapes = {\n\t    '&': '&amp;',\n\t    '<': '&lt;',\n\t    '>': '&gt;',\n\t    '\"': '&quot;',\n\t    \"'\": '&#39;'\n\t  };\n\t\n\t  /** Used to map HTML entities to characters. */\n\t  var htmlUnescapes = {\n\t    '&amp;': '&',\n\t    '&lt;': '<',\n\t    '&gt;': '>',\n\t    '&quot;': '\"',\n\t    '&#39;': \"'\"\n\t  };\n\t\n\t  /** Used to escape characters for inclusion in compiled string literals. */\n\t  var stringEscapes = {\n\t    '\\\\': '\\\\',\n\t    \"'\": \"'\",\n\t    '\\n': 'n',\n\t    '\\r': 'r',\n\t    '\\u2028': 'u2028',\n\t    '\\u2029': 'u2029'\n\t  };\n\t\n\t  /** Built-in method references without a dependency on `root`. */\n\t  var freeParseFloat = parseFloat,\n\t      freeParseInt = parseInt;\n\t\n\t  /** Detect free variable `global` from Node.js. */\n\t  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\t\n\t  /** Detect free variable `self`. */\n\t  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\t\n\t  /** Used as a reference to the global object. */\n\t  var root = freeGlobal || freeSelf || Function('return this')();\n\t\n\t  /** Detect free variable `exports`. */\n\t  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\t\n\t  /** Detect free variable `module`. */\n\t  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\t\n\t  /** Detect the popular CommonJS extension `module.exports`. */\n\t  var moduleExports = freeModule && freeModule.exports === freeExports;\n\t\n\t  /** Detect free variable `process` from Node.js. */\n\t  var freeProcess = moduleExports && freeGlobal.process;\n\t\n\t  /** Used to access faster Node.js helpers. */\n\t  var nodeUtil = (function() {\n\t    try {\n\t      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n\t    } catch (e) {}\n\t  }());\n\t\n\t  /* Node.js helper references. */\n\t  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n\t      nodeIsDate = nodeUtil && nodeUtil.isDate,\n\t      nodeIsMap = nodeUtil && nodeUtil.isMap,\n\t      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n\t      nodeIsSet = nodeUtil && nodeUtil.isSet,\n\t      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  /**\n\t   * Adds the key-value `pair` to `map`.\n\t   *\n\t   * @private\n\t   * @param {Object} map The map to modify.\n\t   * @param {Array} pair The key-value pair to add.\n\t   * @returns {Object} Returns `map`.\n\t   */\n\t  function addMapEntry(map, pair) {\n\t    // Don't return `map.set` because it's not chainable in IE 11.\n\t    map.set(pair[0], pair[1]);\n\t    return map;\n\t  }\n\t\n\t  /**\n\t   * Adds `value` to `set`.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to modify.\n\t   * @param {*} value The value to add.\n\t   * @returns {Object} Returns `set`.\n\t   */\n\t  function addSetEntry(set, value) {\n\t    // Don't return `set.add` because it's not chainable in IE 11.\n\t    set.add(value);\n\t    return set;\n\t  }\n\t\n\t  /**\n\t   * A faster alternative to `Function#apply`, this function invokes `func`\n\t   * with the `this` binding of `thisArg` and the arguments of `args`.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to invoke.\n\t   * @param {*} thisArg The `this` binding of `func`.\n\t   * @param {Array} args The arguments to invoke `func` with.\n\t   * @returns {*} Returns the result of `func`.\n\t   */\n\t  function apply(func, thisArg, args) {\n\t    switch (args.length) {\n\t      case 0: return func.call(thisArg);\n\t      case 1: return func.call(thisArg, args[0]);\n\t      case 2: return func.call(thisArg, args[0], args[1]);\n\t      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n\t    }\n\t    return func.apply(thisArg, args);\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `baseAggregator` for arrays.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} setter The function to set `accumulator` values.\n\t   * @param {Function} iteratee The iteratee to transform keys.\n\t   * @param {Object} accumulator The initial aggregated object.\n\t   * @returns {Function} Returns `accumulator`.\n\t   */\n\t  function arrayAggregator(array, setter, iteratee, accumulator) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      setter(accumulator, value, iteratee(value), array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.forEach` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayEach(array, iteratee) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (iteratee(array[index], index, array) === false) {\n\t        break;\n\t      }\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.forEachRight` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayEachRight(array, iteratee) {\n\t    var length = array == null ? 0 : array.length;\n\t\n\t    while (length--) {\n\t      if (iteratee(array[length], length, array) === false) {\n\t        break;\n\t      }\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.every` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t   *  else `false`.\n\t   */\n\t  function arrayEvery(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (!predicate(array[index], index, array)) {\n\t        return false;\n\t      }\n\t    }\n\t    return true;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.filter` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {Array} Returns the new filtered array.\n\t   */\n\t  function arrayFilter(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length,\n\t        resIndex = 0,\n\t        result = [];\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      if (predicate(value, index, array)) {\n\t        result[resIndex++] = value;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.includes` for arrays without support for\n\t   * specifying an index to search from.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to inspect.\n\t   * @param {*} target The value to search for.\n\t   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n\t   */\n\t  function arrayIncludes(array, value) {\n\t    var length = array == null ? 0 : array.length;\n\t    return !!length && baseIndexOf(array, value, 0) > -1;\n\t  }\n\t\n\t  /**\n\t   * This function is like `arrayIncludes` except that it accepts a comparator.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to inspect.\n\t   * @param {*} target The value to search for.\n\t   * @param {Function} comparator The comparator invoked per element.\n\t   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n\t   */\n\t  function arrayIncludesWith(array, value, comparator) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (comparator(value, array[index])) {\n\t        return true;\n\t      }\n\t    }\n\t    return false;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.map` for arrays without support for iteratee\n\t   * shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns the new mapped array.\n\t   */\n\t  function arrayMap(array, iteratee) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length,\n\t        result = Array(length);\n\t\n\t    while (++index < length) {\n\t      result[index] = iteratee(array[index], index, array);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Appends the elements of `values` to `array`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to modify.\n\t   * @param {Array} values The values to append.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayPush(array, values) {\n\t    var index = -1,\n\t        length = values.length,\n\t        offset = array.length;\n\t\n\t    while (++index < length) {\n\t      array[offset + index] = values[index];\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.reduce` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} [accumulator] The initial value.\n\t   * @param {boolean} [initAccum] Specify using the first element of `array` as\n\t   *  the initial value.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function arrayReduce(array, iteratee, accumulator, initAccum) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    if (initAccum && length) {\n\t      accumulator = array[++index];\n\t    }\n\t    while (++index < length) {\n\t      accumulator = iteratee(accumulator, array[index], index, array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.reduceRight` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} [accumulator] The initial value.\n\t   * @param {boolean} [initAccum] Specify using the last element of `array` as\n\t   *  the initial value.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n\t    var length = array == null ? 0 : array.length;\n\t    if (initAccum && length) {\n\t      accumulator = array[--length];\n\t    }\n\t    while (length--) {\n\t      accumulator = iteratee(accumulator, array[length], length, array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.some` for arrays without support for iteratee\n\t   * shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t   *  else `false`.\n\t   */\n\t  function arraySome(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (predicate(array[index], index, array)) {\n\t        return true;\n\t      }\n\t    }\n\t    return false;\n\t  }\n\t\n\t  /**\n\t   * Gets the size of an ASCII `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  var asciiSize = baseProperty('length');\n\t\n\t  /**\n\t   * Converts an ASCII `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function asciiToArray(string) {\n\t    return string.split('');\n\t  }\n\t\n\t  /**\n\t   * Splits an ASCII `string` into an array of its words.\n\t   *\n\t   * @private\n\t   * @param {string} The string to inspect.\n\t   * @returns {Array} Returns the words of `string`.\n\t   */\n\t  function asciiWords(string) {\n\t    return string.match(reAsciiWord) || [];\n\t  }\n\t\n\t  /**\n\t   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n\t   * without support for iteratee shorthands, which iterates over `collection`\n\t   * using `eachFunc`.\n\t   *\n\t   * @private\n\t   * @param {Array|Object} collection The collection to inspect.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @param {Function} eachFunc The function to iterate over `collection`.\n\t   * @returns {*} Returns the found element or its key, else `undefined`.\n\t   */\n\t  function baseFindKey(collection, predicate, eachFunc) {\n\t    var result;\n\t    eachFunc(collection, function(value, key, collection) {\n\t      if (predicate(value, key, collection)) {\n\t        result = key;\n\t        return false;\n\t      }\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n\t   * support for iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @param {boolean} [fromRight] Specify iterating from right to left.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n\t    var length = array.length,\n\t        index = fromIndex + (fromRight ? 1 : -1);\n\t\n\t    while ((fromRight ? index-- : ++index < length)) {\n\t      if (predicate(array[index], index, array)) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseIndexOf(array, value, fromIndex) {\n\t    return value === value\n\t      ? strictIndexOf(array, value, fromIndex)\n\t      : baseFindIndex(array, baseIsNaN, fromIndex);\n\t  }\n\t\n\t  /**\n\t   * This function is like `baseIndexOf` except that it accepts a comparator.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @param {Function} comparator The comparator invoked per element.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseIndexOfWith(array, value, fromIndex, comparator) {\n\t    var index = fromIndex - 1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      if (comparator(array[index], value)) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.isNaN` without support for number objects.\n\t   *\n\t   * @private\n\t   * @param {*} value The value to check.\n\t   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t   */\n\t  function baseIsNaN(value) {\n\t    return value !== value;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.mean` and `_.meanBy` without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {number} Returns the mean.\n\t   */\n\t  function baseMean(array, iteratee) {\n\t    var length = array == null ? 0 : array.length;\n\t    return length ? (baseSum(array, iteratee) / length) : NAN;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.property` without support for deep paths.\n\t   *\n\t   * @private\n\t   * @param {string} key The key of the property to get.\n\t   * @returns {Function} Returns the new accessor function.\n\t   */\n\t  function baseProperty(key) {\n\t    return function(object) {\n\t      return object == null ? undefined : object[key];\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.propertyOf` without support for deep paths.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @returns {Function} Returns the new accessor function.\n\t   */\n\t  function basePropertyOf(object) {\n\t    return function(key) {\n\t      return object == null ? undefined : object[key];\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n\t   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n\t   *\n\t   * @private\n\t   * @param {Array|Object} collection The collection to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} accumulator The initial value.\n\t   * @param {boolean} initAccum Specify using the first or last element of\n\t   *  `collection` as the initial value.\n\t   * @param {Function} eachFunc The function to iterate over `collection`.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n\t    eachFunc(collection, function(value, index, collection) {\n\t      accumulator = initAccum\n\t        ? (initAccum = false, value)\n\t        : iteratee(accumulator, value, index, collection);\n\t    });\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.sortBy` which uses `comparer` to define the\n\t   * sort order of `array` and replaces criteria objects with their corresponding\n\t   * values.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to sort.\n\t   * @param {Function} comparer The function to define sort order.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function baseSortBy(array, comparer) {\n\t    var length = array.length;\n\t\n\t    array.sort(comparer);\n\t    while (length--) {\n\t      array[length] = array[length].value;\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.sum` and `_.sumBy` without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {number} Returns the sum.\n\t   */\n\t  function baseSum(array, iteratee) {\n\t    var result,\n\t        index = -1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      var current = iteratee(array[index]);\n\t      if (current !== undefined) {\n\t        result = result === undefined ? current : (result + current);\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.times` without support for iteratee shorthands\n\t   * or max array length checks.\n\t   *\n\t   * @private\n\t   * @param {number} n The number of times to invoke `iteratee`.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns the array of results.\n\t   */\n\t  function baseTimes(n, iteratee) {\n\t    var index = -1,\n\t        result = Array(n);\n\t\n\t    while (++index < n) {\n\t      result[index] = iteratee(index);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n\t   * of key-value pairs for `object` corresponding to the property names of `props`.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @param {Array} props The property names to get values for.\n\t   * @returns {Object} Returns the key-value pairs.\n\t   */\n\t  function baseToPairs(object, props) {\n\t    return arrayMap(props, function(key) {\n\t      return [key, object[key]];\n\t    });\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.unary` without support for storing metadata.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to cap arguments for.\n\t   * @returns {Function} Returns the new capped function.\n\t   */\n\t  function baseUnary(func) {\n\t    return function(value) {\n\t      return func(value);\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.values` and `_.valuesIn` which creates an\n\t   * array of `object` property values corresponding to the property names\n\t   * of `props`.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @param {Array} props The property names to get values for.\n\t   * @returns {Object} Returns the array of property values.\n\t   */\n\t  function baseValues(object, props) {\n\t    return arrayMap(props, function(key) {\n\t      return object[key];\n\t    });\n\t  }\n\t\n\t  /**\n\t   * Checks if a `cache` value for `key` exists.\n\t   *\n\t   * @private\n\t   * @param {Object} cache The cache to query.\n\t   * @param {string} key The key of the entry to check.\n\t   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t   */\n\t  function cacheHas(cache, key) {\n\t    return cache.has(key);\n\t  }\n\t\n\t  /**\n\t   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n\t   * that is not found in the character symbols.\n\t   *\n\t   * @private\n\t   * @param {Array} strSymbols The string symbols to inspect.\n\t   * @param {Array} chrSymbols The character symbols to find.\n\t   * @returns {number} Returns the index of the first unmatched string symbol.\n\t   */\n\t  function charsStartIndex(strSymbols, chrSymbols) {\n\t    var index = -1,\n\t        length = strSymbols.length;\n\t\n\t    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n\t   * that is not found in the character symbols.\n\t   *\n\t   * @private\n\t   * @param {Array} strSymbols The string symbols to inspect.\n\t   * @param {Array} chrSymbols The character symbols to find.\n\t   * @returns {number} Returns the index of the last unmatched string symbol.\n\t   */\n\t  function charsEndIndex(strSymbols, chrSymbols) {\n\t    var index = strSymbols.length;\n\t\n\t    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Gets the number of `placeholder` occurrences in `array`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} placeholder The placeholder to search for.\n\t   * @returns {number} Returns the placeholder count.\n\t   */\n\t  function countHolders(array, placeholder) {\n\t    var length = array.length,\n\t        result = 0;\n\t\n\t    while (length--) {\n\t      if (array[length] === placeholder) {\n\t        ++result;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n\t   * letters to basic Latin letters.\n\t   *\n\t   * @private\n\t   * @param {string} letter The matched letter to deburr.\n\t   * @returns {string} Returns the deburred letter.\n\t   */\n\t  var deburrLetter = basePropertyOf(deburredLetters);\n\t\n\t  /**\n\t   * Used by `_.escape` to convert characters to HTML entities.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to escape.\n\t   * @returns {string} Returns the escaped character.\n\t   */\n\t  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\t\n\t  /**\n\t   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to escape.\n\t   * @returns {string} Returns the escaped character.\n\t   */\n\t  function escapeStringChar(chr) {\n\t    return '\\\\' + stringEscapes[chr];\n\t  }\n\t\n\t  /**\n\t   * Gets the value at `key` of `object`.\n\t   *\n\t   * @private\n\t   * @param {Object} [object] The object to query.\n\t   * @param {string} key The key of the property to get.\n\t   * @returns {*} Returns the property value.\n\t   */\n\t  function getValue(object, key) {\n\t    return object == null ? undefined : object[key];\n\t  }\n\t\n\t  /**\n\t   * Checks if `string` contains Unicode symbols.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n\t   */\n\t  function hasUnicode(string) {\n\t    return reHasUnicode.test(string);\n\t  }\n\t\n\t  /**\n\t   * Checks if `string` contains a word composed of Unicode symbols.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {boolean} Returns `true` if a word is found, else `false`.\n\t   */\n\t  function hasUnicodeWord(string) {\n\t    return reHasUnicodeWord.test(string);\n\t  }\n\t\n\t  /**\n\t   * Converts `iterator` to an array.\n\t   *\n\t   * @private\n\t   * @param {Object} iterator The iterator to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function iteratorToArray(iterator) {\n\t    var data,\n\t        result = [];\n\t\n\t    while (!(data = iterator.next()).done) {\n\t      result.push(data.value);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `map` to its key-value pairs.\n\t   *\n\t   * @private\n\t   * @param {Object} map The map to convert.\n\t   * @returns {Array} Returns the key-value pairs.\n\t   */\n\t  function mapToArray(map) {\n\t    var index = -1,\n\t        result = Array(map.size);\n\t\n\t    map.forEach(function(value, key) {\n\t      result[++index] = [key, value];\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Creates a unary function that invokes `func` with its argument transformed.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to wrap.\n\t   * @param {Function} transform The argument transform.\n\t   * @returns {Function} Returns the new function.\n\t   */\n\t  function overArg(func, transform) {\n\t    return function(arg) {\n\t      return func(transform(arg));\n\t    };\n\t  }\n\t\n\t  /**\n\t   * Replaces all `placeholder` elements in `array` with an internal placeholder\n\t   * and returns an array of their indexes.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to modify.\n\t   * @param {*} placeholder The placeholder to replace.\n\t   * @returns {Array} Returns the new array of placeholder indexes.\n\t   */\n\t  function replaceHolders(array, placeholder) {\n\t    var index = -1,\n\t        length = array.length,\n\t        resIndex = 0,\n\t        result = [];\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      if (value === placeholder || value === PLACEHOLDER) {\n\t        array[index] = PLACEHOLDER;\n\t        result[resIndex++] = index;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `set` to an array of its values.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to convert.\n\t   * @returns {Array} Returns the values.\n\t   */\n\t  function setToArray(set) {\n\t    var index = -1,\n\t        result = Array(set.size);\n\t\n\t    set.forEach(function(value) {\n\t      result[++index] = value;\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `set` to its value-value pairs.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to convert.\n\t   * @returns {Array} Returns the value-value pairs.\n\t   */\n\t  function setToPairs(set) {\n\t    var index = -1,\n\t        result = Array(set.size);\n\t\n\t    set.forEach(function(value) {\n\t      result[++index] = [value, value];\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.indexOf` which performs strict equality\n\t   * comparisons of values, i.e. `===`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function strictIndexOf(array, value, fromIndex) {\n\t    var index = fromIndex - 1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      if (array[index] === value) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.lastIndexOf` which performs strict equality\n\t   * comparisons of values, i.e. `===`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function strictLastIndexOf(array, value, fromIndex) {\n\t    var index = fromIndex + 1;\n\t    while (index--) {\n\t      if (array[index] === value) {\n\t        return index;\n\t      }\n\t    }\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Gets the number of symbols in `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  function stringSize(string) {\n\t    return hasUnicode(string)\n\t      ? unicodeSize(string)\n\t      : asciiSize(string);\n\t  }\n\t\n\t  /**\n\t   * Converts `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function stringToArray(string) {\n\t    return hasUnicode(string)\n\t      ? unicodeToArray(string)\n\t      : asciiToArray(string);\n\t  }\n\t\n\t  /**\n\t   * Used by `_.unescape` to convert HTML entities to characters.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to unescape.\n\t   * @returns {string} Returns the unescaped character.\n\t   */\n\t  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\t\n\t  /**\n\t   * Gets the size of a Unicode `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  function unicodeSize(string) {\n\t    var result = reUnicode.lastIndex = 0;\n\t    while (reUnicode.test(string)) {\n\t      ++result;\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts a Unicode `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function unicodeToArray(string) {\n\t    return string.match(reUnicode) || [];\n\t  }\n\t\n\t  /**\n\t   * Splits a Unicode `string` into an array of its words.\n\t   *\n\t   * @private\n\t   * @param {string} The string to inspect.\n\t   * @returns {Array} Returns the words of `string`.\n\t   */\n\t  function unicodeWords(string) {\n\t    return string.match(reUnicodeWord) || [];\n\t  }\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  /**\n\t   * Create a new pristine `lodash` function using the `context` object.\n\t   *\n\t   * @static\n\t   * @memberOf _\n\t   * @since 1.1.0\n\t   * @category Util\n\t   * @param {Object} [context=root] The context object.\n\t   * @returns {Function} Returns a new `lodash` function.\n\t   * @example\n\t   *\n\t   * _.mixin({ 'foo': _.constant('foo') });\n\t   *\n\t   * var lodash = _.runInContext();\n\t   * lodash.mixin({ 'bar': lodash.constant('bar') });\n\t   *\n\t   * _.isFunction(_.foo);\n\t   * // => true\n\t   * _.isFunction(_.bar);\n\t   * // => false\n\t   *\n\t   * lodash.isFunction(lodash.foo);\n\t   * // => false\n\t   * lodash.isFunction(lodash.bar);\n\t   * // => true\n\t   *\n\t   * // Create a suped-up `defer` in Node.js.\n\t   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n\t   */\n\t  var runInContext = (function runInContext(context) {\n\t    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\t\n\t    /** Built-in constructor references. */\n\t    var Array = context.Array,\n\t        Date = context.Date,\n\t        Error = context.Error,\n\t        Function = context.Function,\n\t        Math = context.Math,\n\t        Object = context.Object,\n\t        RegExp = context.RegExp,\n\t        String = context.String,\n\t        TypeError = context.TypeError;\n\t\n\t    /** Used for built-in method references. */\n\t    var arrayProto = Array.prototype,\n\t        funcProto = Function.prototype,\n\t        objectProto = Object.prototype;\n\t\n\t    /** Used to detect overreaching core-js shims. */\n\t    var coreJsData = context['__core-js_shared__'];\n\t\n\t    /** Used to resolve the decompiled source of functions. */\n\t    var funcToString = funcProto.toString;\n\t\n\t    /** Used to check objects for own properties. */\n\t    var hasOwnProperty = objectProto.hasOwnProperty;\n\t\n\t    /** Used to generate unique IDs. */\n\t    var idCounter = 0;\n\t\n\t    /** Used to detect methods masquerading as native. */\n\t    var maskSrcKey = (function() {\n\t      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n\t      return uid ? ('Symbol(src)_1.' + uid) : '';\n\t    }());\n\t\n\t    /**\n\t     * Used to resolve the\n\t     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n\t     * of values.\n\t     */\n\t    var nativeObjectToString = objectProto.toString;\n\t\n\t    /** Used to infer the `Object` constructor. */\n\t    var objectCtorString = funcToString.call(Object);\n\t\n\t    /** Used to restore the original `_` reference in `_.noConflict`. */\n\t    var oldDash = root._;\n\t\n\t    /** Used to detect if a method is native. */\n\t    var reIsNative = RegExp('^' +\n\t      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n\t      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n\t    );\n\t\n\t    /** Built-in value references. */\n\t    var Buffer = moduleExports ? context.Buffer : undefined,\n\t        Symbol = context.Symbol,\n\t        Uint8Array = context.Uint8Array,\n\t        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n\t        getPrototype = overArg(Object.getPrototypeOf, Object),\n\t        objectCreate = Object.create,\n\t        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n\t        splice = arrayProto.splice,\n\t        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n\t        symIterator = Symbol ? Symbol.iterator : undefined,\n\t        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\t\n\t    var defineProperty = (function() {\n\t      try {\n\t        var func = getNative(Object, 'defineProperty');\n\t        func({}, '', {});\n\t        return func;\n\t      } catch (e) {}\n\t    }());\n\t\n\t    /** Mocked built-ins. */\n\t    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n\t        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n\t        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\t\n\t    /* Built-in method references for those with the same name as other `lodash` methods. */\n\t    var nativeCeil = Math.ceil,\n\t        nativeFloor = Math.floor,\n\t        nativeGetSymbols = Object.getOwnPropertySymbols,\n\t        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n\t        nativeIsFinite = context.isFinite,\n\t        nativeJoin = arrayProto.join,\n\t        nativeKeys = overArg(Object.keys, Object),\n\t        nativeMax = Math.max,\n\t        nativeMin = Math.min,\n\t        nativeNow = Date.now,\n\t        nativeParseInt = context.parseInt,\n\t        nativeRandom = Math.random,\n\t        nativeReverse = arrayProto.reverse;\n\t\n\t    /* Built-in method references that are verified to be native. */\n\t    var DataView = getNative(context, 'DataView'),\n\t        Map = getNative(context, 'Map'),\n\t        Promise = getNative(context, 'Promise'),\n\t        Set = getNative(context, 'Set'),\n\t        WeakMap = getNative(context, 'WeakMap'),\n\t        nativeCreate = getNative(Object, 'create');\n\t\n\t    /** Used to store function metadata. */\n\t    var metaMap = WeakMap && new WeakMap;\n\t\n\t    /** Used to lookup unminified function names. */\n\t    var realNames = {};\n\t\n\t    /** Used to detect maps, sets, and weakmaps. */\n\t    var dataViewCtorString = toSource(DataView),\n\t        mapCtorString = toSource(Map),\n\t        promiseCtorString = toSource(Promise),\n\t        setCtorString = toSource(Set),\n\t        weakMapCtorString = toSource(WeakMap);\n\t\n\t    /** Used to convert symbols to primitives and strings. */\n\t    var symbolProto = Symbol ? Symbol.prototype : undefined,\n\t        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n\t        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a `lodash` object which wraps `value` to enable implicit method\n\t     * chain sequences. Methods that operate on and return arrays, collections,\n\t     * and functions can be chained together. Methods that retrieve a single value\n\t     * or may return a primitive value will automatically end the chain sequence\n\t     * and return the unwrapped value. Otherwise, the value must be unwrapped\n\t     * with `_#value`.\n\t     *\n\t     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n\t     * enabled using `_.chain`.\n\t     *\n\t     * The execution of chained methods is lazy, that is, it's deferred until\n\t     * `_#value` is implicitly or explicitly called.\n\t     *\n\t     * Lazy evaluation allows several methods to support shortcut fusion.\n\t     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n\t     * the creation of intermediate arrays and can greatly reduce the number of\n\t     * iteratee executions. Sections of a chain sequence qualify for shortcut\n\t     * fusion if the section is applied to an array and iteratees accept only\n\t     * one argument. The heuristic for whether a section qualifies for shortcut\n\t     * fusion is subject to change.\n\t     *\n\t     * Chaining is supported in custom builds as long as the `_#value` method is\n\t     * directly or indirectly included in the build.\n\t     *\n\t     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n\t     *\n\t     * The wrapper `Array` methods are:\n\t     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n\t     *\n\t     * The wrapper `String` methods are:\n\t     * `replace` and `split`\n\t     *\n\t     * The wrapper methods that support shortcut fusion are:\n\t     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n\t     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n\t     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n\t     *\n\t     * The chainable wrapper methods are:\n\t     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n\t     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n\t     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n\t     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n\t     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n\t     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n\t     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n\t     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n\t     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n\t     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n\t     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n\t     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n\t     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n\t     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n\t     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n\t     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n\t     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n\t     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n\t     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n\t     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n\t     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n\t     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n\t     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n\t     * `zipObject`, `zipObjectDeep`, and `zipWith`\n\t     *\n\t     * The wrapper methods that are **not** chainable by default are:\n\t     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n\t     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n\t     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n\t     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n\t     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n\t     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n\t     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n\t     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n\t     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n\t     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n\t     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n\t     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n\t     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n\t     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n\t     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n\t     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n\t     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n\t     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n\t     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n\t     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n\t     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n\t     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n\t     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n\t     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n\t     * `upperFirst`, `value`, and `words`\n\t     *\n\t     * @name _\n\t     * @constructor\n\t     * @category Seq\n\t     * @param {*} value The value to wrap in a `lodash` instance.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var wrapped = _([1, 2, 3]);\n\t     *\n\t     * // Returns an unwrapped value.\n\t     * wrapped.reduce(_.add);\n\t     * // => 6\n\t     *\n\t     * // Returns a wrapped value.\n\t     * var squares = wrapped.map(square);\n\t     *\n\t     * _.isArray(squares);\n\t     * // => false\n\t     *\n\t     * _.isArray(squares.value());\n\t     * // => true\n\t     */\n\t    function lodash(value) {\n\t      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n\t        if (value instanceof LodashWrapper) {\n\t          return value;\n\t        }\n\t        if (hasOwnProperty.call(value, '__wrapped__')) {\n\t          return wrapperClone(value);\n\t        }\n\t      }\n\t      return new LodashWrapper(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.create` without support for assigning\n\t     * properties to the created object.\n\t     *\n\t     * @private\n\t     * @param {Object} proto The object to inherit from.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    var baseCreate = (function() {\n\t      function object() {}\n\t      return function(proto) {\n\t        if (!isObject(proto)) {\n\t          return {};\n\t        }\n\t        if (objectCreate) {\n\t          return objectCreate(proto);\n\t        }\n\t        object.prototype = proto;\n\t        var result = new object;\n\t        object.prototype = undefined;\n\t        return result;\n\t      };\n\t    }());\n\t\n\t    /**\n\t     * The function whose prototype chain sequence wrappers inherit from.\n\t     *\n\t     * @private\n\t     */\n\t    function baseLodash() {\n\t      // No operation performed.\n\t    }\n\t\n\t    /**\n\t     * The base constructor for creating `lodash` wrapper objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to wrap.\n\t     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n\t     */\n\t    function LodashWrapper(value, chainAll) {\n\t      this.__wrapped__ = value;\n\t      this.__actions__ = [];\n\t      this.__chain__ = !!chainAll;\n\t      this.__index__ = 0;\n\t      this.__values__ = undefined;\n\t    }\n\t\n\t    /**\n\t     * By default, the template delimiters used by lodash are like those in\n\t     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n\t     * following template settings to use alternative delimiters.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @type {Object}\n\t     */\n\t    lodash.templateSettings = {\n\t\n\t      /**\n\t       * Used to detect `data` property values to be HTML-escaped.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'escape': reEscape,\n\t\n\t      /**\n\t       * Used to detect code to be evaluated.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'evaluate': reEvaluate,\n\t\n\t      /**\n\t       * Used to detect `data` property values to inject.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'interpolate': reInterpolate,\n\t\n\t      /**\n\t       * Used to reference the data object in the template text.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {string}\n\t       */\n\t      'variable': '',\n\t\n\t      /**\n\t       * Used to import variables into the compiled template.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {Object}\n\t       */\n\t      'imports': {\n\t\n\t        /**\n\t         * A reference to the `lodash` function.\n\t         *\n\t         * @memberOf _.templateSettings.imports\n\t         * @type {Function}\n\t         */\n\t        '_': lodash\n\t      }\n\t    };\n\t\n\t    // Ensure wrappers are instances of `baseLodash`.\n\t    lodash.prototype = baseLodash.prototype;\n\t    lodash.prototype.constructor = lodash;\n\t\n\t    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n\t    LodashWrapper.prototype.constructor = LodashWrapper;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {*} value The value to wrap.\n\t     */\n\t    function LazyWrapper(value) {\n\t      this.__wrapped__ = value;\n\t      this.__actions__ = [];\n\t      this.__dir__ = 1;\n\t      this.__filtered__ = false;\n\t      this.__iteratees__ = [];\n\t      this.__takeCount__ = MAX_ARRAY_LENGTH;\n\t      this.__views__ = [];\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the lazy wrapper object.\n\t     *\n\t     * @private\n\t     * @name clone\n\t     * @memberOf LazyWrapper\n\t     * @returns {Object} Returns the cloned `LazyWrapper` object.\n\t     */\n\t    function lazyClone() {\n\t      var result = new LazyWrapper(this.__wrapped__);\n\t      result.__actions__ = copyArray(this.__actions__);\n\t      result.__dir__ = this.__dir__;\n\t      result.__filtered__ = this.__filtered__;\n\t      result.__iteratees__ = copyArray(this.__iteratees__);\n\t      result.__takeCount__ = this.__takeCount__;\n\t      result.__views__ = copyArray(this.__views__);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Reverses the direction of lazy iteration.\n\t     *\n\t     * @private\n\t     * @name reverse\n\t     * @memberOf LazyWrapper\n\t     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n\t     */\n\t    function lazyReverse() {\n\t      if (this.__filtered__) {\n\t        var result = new LazyWrapper(this);\n\t        result.__dir__ = -1;\n\t        result.__filtered__ = true;\n\t      } else {\n\t        result = this.clone();\n\t        result.__dir__ *= -1;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Extracts the unwrapped value from its lazy wrapper.\n\t     *\n\t     * @private\n\t     * @name value\n\t     * @memberOf LazyWrapper\n\t     * @returns {*} Returns the unwrapped value.\n\t     */\n\t    function lazyValue() {\n\t      var array = this.__wrapped__.value(),\n\t          dir = this.__dir__,\n\t          isArr = isArray(array),\n\t          isRight = dir < 0,\n\t          arrLength = isArr ? array.length : 0,\n\t          view = getView(0, arrLength, this.__views__),\n\t          start = view.start,\n\t          end = view.end,\n\t          length = end - start,\n\t          index = isRight ? end : (start - 1),\n\t          iteratees = this.__iteratees__,\n\t          iterLength = iteratees.length,\n\t          resIndex = 0,\n\t          takeCount = nativeMin(length, this.__takeCount__);\n\t\n\t      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n\t        return baseWrapperValue(array, this.__actions__);\n\t      }\n\t      var result = [];\n\t\n\t      outer:\n\t      while (length-- && resIndex < takeCount) {\n\t        index += dir;\n\t\n\t        var iterIndex = -1,\n\t            value = array[index];\n\t\n\t        while (++iterIndex < iterLength) {\n\t          var data = iteratees[iterIndex],\n\t              iteratee = data.iteratee,\n\t              type = data.type,\n\t              computed = iteratee(value);\n\t\n\t          if (type == LAZY_MAP_FLAG) {\n\t            value = computed;\n\t          } else if (!computed) {\n\t            if (type == LAZY_FILTER_FLAG) {\n\t              continue outer;\n\t            } else {\n\t              break outer;\n\t            }\n\t          }\n\t        }\n\t        result[resIndex++] = value;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n\t    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n\t    LazyWrapper.prototype.constructor = LazyWrapper;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a hash object.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function Hash(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the hash.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf Hash\n\t     */\n\t    function hashClear() {\n\t      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the hash.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf Hash\n\t     * @param {Object} hash The hash to modify.\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function hashDelete(key) {\n\t      var result = this.has(key) && delete this.__data__[key];\n\t      this.size -= result ? 1 : 0;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the hash value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function hashGet(key) {\n\t      var data = this.__data__;\n\t      if (nativeCreate) {\n\t        var result = data[key];\n\t        return result === HASH_UNDEFINED ? undefined : result;\n\t      }\n\t      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n\t    }\n\t\n\t    /**\n\t     * Checks if a hash value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function hashHas(key) {\n\t      var data = this.__data__;\n\t      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n\t    }\n\t\n\t    /**\n\t     * Sets the hash `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the hash instance.\n\t     */\n\t    function hashSet(key, value) {\n\t      var data = this.__data__;\n\t      this.size += this.has(key) ? 0 : 1;\n\t      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `Hash`.\n\t    Hash.prototype.clear = hashClear;\n\t    Hash.prototype['delete'] = hashDelete;\n\t    Hash.prototype.get = hashGet;\n\t    Hash.prototype.has = hashHas;\n\t    Hash.prototype.set = hashSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an list cache object.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function ListCache(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the list cache.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf ListCache\n\t     */\n\t    function listCacheClear() {\n\t      this.__data__ = [];\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the list cache.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function listCacheDelete(key) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      if (index < 0) {\n\t        return false;\n\t      }\n\t      var lastIndex = data.length - 1;\n\t      if (index == lastIndex) {\n\t        data.pop();\n\t      } else {\n\t        splice.call(data, index, 1);\n\t      }\n\t      --this.size;\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Gets the list cache value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function listCacheGet(key) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      return index < 0 ? undefined : data[index][1];\n\t    }\n\t\n\t    /**\n\t     * Checks if a list cache value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function listCacheHas(key) {\n\t      return assocIndexOf(this.__data__, key) > -1;\n\t    }\n\t\n\t    /**\n\t     * Sets the list cache `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the list cache instance.\n\t     */\n\t    function listCacheSet(key, value) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      if (index < 0) {\n\t        ++this.size;\n\t        data.push([key, value]);\n\t      } else {\n\t        data[index][1] = value;\n\t      }\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `ListCache`.\n\t    ListCache.prototype.clear = listCacheClear;\n\t    ListCache.prototype['delete'] = listCacheDelete;\n\t    ListCache.prototype.get = listCacheGet;\n\t    ListCache.prototype.has = listCacheHas;\n\t    ListCache.prototype.set = listCacheSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a map cache object to store key-value pairs.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function MapCache(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the map.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf MapCache\n\t     */\n\t    function mapCacheClear() {\n\t      this.size = 0;\n\t      this.__data__ = {\n\t        'hash': new Hash,\n\t        'map': new (Map || ListCache),\n\t        'string': new Hash\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the map.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function mapCacheDelete(key) {\n\t      var result = getMapData(this, key)['delete'](key);\n\t      this.size -= result ? 1 : 0;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the map value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function mapCacheGet(key) {\n\t      return getMapData(this, key).get(key);\n\t    }\n\t\n\t    /**\n\t     * Checks if a map value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function mapCacheHas(key) {\n\t      return getMapData(this, key).has(key);\n\t    }\n\t\n\t    /**\n\t     * Sets the map `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the map cache instance.\n\t     */\n\t    function mapCacheSet(key, value) {\n\t      var data = getMapData(this, key),\n\t          size = data.size;\n\t\n\t      data.set(key, value);\n\t      this.size += data.size == size ? 0 : 1;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `MapCache`.\n\t    MapCache.prototype.clear = mapCacheClear;\n\t    MapCache.prototype['delete'] = mapCacheDelete;\n\t    MapCache.prototype.get = mapCacheGet;\n\t    MapCache.prototype.has = mapCacheHas;\n\t    MapCache.prototype.set = mapCacheSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     *\n\t     * Creates an array cache object to store unique values.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [values] The values to cache.\n\t     */\n\t    function SetCache(values) {\n\t      var index = -1,\n\t          length = values == null ? 0 : values.length;\n\t\n\t      this.__data__ = new MapCache;\n\t      while (++index < length) {\n\t        this.add(values[index]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Adds `value` to the array cache.\n\t     *\n\t     * @private\n\t     * @name add\n\t     * @memberOf SetCache\n\t     * @alias push\n\t     * @param {*} value The value to cache.\n\t     * @returns {Object} Returns the cache instance.\n\t     */\n\t    function setCacheAdd(value) {\n\t      this.__data__.set(value, HASH_UNDEFINED);\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is in the array cache.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf SetCache\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns `true` if `value` is found, else `false`.\n\t     */\n\t    function setCacheHas(value) {\n\t      return this.__data__.has(value);\n\t    }\n\t\n\t    // Add methods to `SetCache`.\n\t    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n\t    SetCache.prototype.has = setCacheHas;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a stack cache object to store key-value pairs.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function Stack(entries) {\n\t      var data = this.__data__ = new ListCache(entries);\n\t      this.size = data.size;\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the stack.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf Stack\n\t     */\n\t    function stackClear() {\n\t      this.__data__ = new ListCache;\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the stack.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function stackDelete(key) {\n\t      var data = this.__data__,\n\t          result = data['delete'](key);\n\t\n\t      this.size = data.size;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the stack value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function stackGet(key) {\n\t      return this.__data__.get(key);\n\t    }\n\t\n\t    /**\n\t     * Checks if a stack value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function stackHas(key) {\n\t      return this.__data__.has(key);\n\t    }\n\t\n\t    /**\n\t     * Sets the stack `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the stack cache instance.\n\t     */\n\t    function stackSet(key, value) {\n\t      var data = this.__data__;\n\t      if (data instanceof ListCache) {\n\t        var pairs = data.__data__;\n\t        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n\t          pairs.push([key, value]);\n\t          this.size = ++data.size;\n\t          return this;\n\t        }\n\t        data = this.__data__ = new MapCache(pairs);\n\t      }\n\t      data.set(key, value);\n\t      this.size = data.size;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `Stack`.\n\t    Stack.prototype.clear = stackClear;\n\t    Stack.prototype['delete'] = stackDelete;\n\t    Stack.prototype.get = stackGet;\n\t    Stack.prototype.has = stackHas;\n\t    Stack.prototype.set = stackSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an array of the enumerable property names of the array-like `value`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @param {boolean} inherited Specify returning inherited property names.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function arrayLikeKeys(value, inherited) {\n\t      var isArr = isArray(value),\n\t          isArg = !isArr && isArguments(value),\n\t          isBuff = !isArr && !isArg && isBuffer(value),\n\t          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n\t          skipIndexes = isArr || isArg || isBuff || isType,\n\t          result = skipIndexes ? baseTimes(value.length, String) : [],\n\t          length = result.length;\n\t\n\t      for (var key in value) {\n\t        if ((inherited || hasOwnProperty.call(value, key)) &&\n\t            !(skipIndexes && (\n\t               // Safari 9 has enumerable `arguments.length` in strict mode.\n\t               key == 'length' ||\n\t               // Node.js 0.10 has enumerable non-index properties on buffers.\n\t               (isBuff && (key == 'offset' || key == 'parent')) ||\n\t               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n\t               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n\t               // Skip index properties.\n\t               isIndex(key, length)\n\t            ))) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.sample` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to sample.\n\t     * @returns {*} Returns the random element.\n\t     */\n\t    function arraySample(array) {\n\t      var length = array.length;\n\t      return length ? array[baseRandom(0, length - 1)] : undefined;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.sampleSize` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to sample.\n\t     * @param {number} n The number of elements to sample.\n\t     * @returns {Array} Returns the random elements.\n\t     */\n\t    function arraySampleSize(array, n) {\n\t      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.shuffle` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     */\n\t    function arrayShuffle(array) {\n\t      return shuffleSelf(copyArray(array));\n\t    }\n\t\n\t    /**\n\t     * This function is like `assignValue` except that it doesn't assign\n\t     * `undefined` values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function assignMergeValue(object, key, value) {\n\t      if ((value !== undefined && !eq(object[key], value)) ||\n\t          (value === undefined && !(key in object))) {\n\t        baseAssignValue(object, key, value);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function assignValue(object, key, value) {\n\t      var objValue = object[key];\n\t      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n\t          (value === undefined && !(key in object))) {\n\t        baseAssignValue(object, key, value);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Gets the index at which the `key` is found in `array` of key-value pairs.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} key The key to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     */\n\t    function assocIndexOf(array, key) {\n\t      var length = array.length;\n\t      while (length--) {\n\t        if (eq(array[length][0], key)) {\n\t          return length;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * Aggregates elements of `collection` on `accumulator` with keys transformed\n\t     * by `iteratee` and values set by `setter`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} setter The function to set `accumulator` values.\n\t     * @param {Function} iteratee The iteratee to transform keys.\n\t     * @param {Object} accumulator The initial aggregated object.\n\t     * @returns {Function} Returns `accumulator`.\n\t     */\n\t    function baseAggregator(collection, setter, iteratee, accumulator) {\n\t      baseEach(collection, function(value, key, collection) {\n\t        setter(accumulator, value, iteratee(value), collection);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.assign` without support for multiple sources\n\t     * or `customizer` functions.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseAssign(object, source) {\n\t      return object && copyObject(source, keys(source), object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.assignIn` without support for multiple sources\n\t     * or `customizer` functions.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseAssignIn(object, source) {\n\t      return object && copyObject(source, keysIn(source), object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `assignValue` and `assignMergeValue` without\n\t     * value checks.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function baseAssignValue(object, key, value) {\n\t      if (key == '__proto__' && defineProperty) {\n\t        defineProperty(object, key, {\n\t          'configurable': true,\n\t          'enumerable': true,\n\t          'value': value,\n\t          'writable': true\n\t        });\n\t      } else {\n\t        object[key] = value;\n\t      }\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.at` without support for individual paths.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @returns {Array} Returns the picked elements.\n\t     */\n\t    function baseAt(object, paths) {\n\t      var index = -1,\n\t          length = paths.length,\n\t          result = Array(length),\n\t          skip = object == null;\n\t\n\t      while (++index < length) {\n\t        result[index] = skip ? undefined : get(object, paths[index]);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.clamp` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} number The number to clamp.\n\t     * @param {number} [lower] The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the clamped number.\n\t     */\n\t    function baseClamp(number, lower, upper) {\n\t      if (number === number) {\n\t        if (upper !== undefined) {\n\t          number = number <= upper ? number : upper;\n\t        }\n\t        if (lower !== undefined) {\n\t          number = number >= lower ? number : lower;\n\t        }\n\t      }\n\t      return number;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n\t     * traversed objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to clone.\n\t     * @param {boolean} bitmask The bitmask flags.\n\t     *  1 - Deep clone\n\t     *  2 - Flatten inherited properties\n\t     *  4 - Clone symbols\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @param {string} [key] The key of `value`.\n\t     * @param {Object} [object] The parent object of `value`.\n\t     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n\t     * @returns {*} Returns the cloned value.\n\t     */\n\t    function baseClone(value, bitmask, customizer, key, object, stack) {\n\t      var result,\n\t          isDeep = bitmask & CLONE_DEEP_FLAG,\n\t          isFlat = bitmask & CLONE_FLAT_FLAG,\n\t          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\t\n\t      if (customizer) {\n\t        result = object ? customizer(value, key, object, stack) : customizer(value);\n\t      }\n\t      if (result !== undefined) {\n\t        return result;\n\t      }\n\t      if (!isObject(value)) {\n\t        return value;\n\t      }\n\t      var isArr = isArray(value);\n\t      if (isArr) {\n\t        result = initCloneArray(value);\n\t        if (!isDeep) {\n\t          return copyArray(value, result);\n\t        }\n\t      } else {\n\t        var tag = getTag(value),\n\t            isFunc = tag == funcTag || tag == genTag;\n\t\n\t        if (isBuffer(value)) {\n\t          return cloneBuffer(value, isDeep);\n\t        }\n\t        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n\t          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n\t          if (!isDeep) {\n\t            return isFlat\n\t              ? copySymbolsIn(value, baseAssignIn(result, value))\n\t              : copySymbols(value, baseAssign(result, value));\n\t          }\n\t        } else {\n\t          if (!cloneableTags[tag]) {\n\t            return object ? value : {};\n\t          }\n\t          result = initCloneByTag(value, tag, baseClone, isDeep);\n\t        }\n\t      }\n\t      // Check for circular references and return its corresponding clone.\n\t      stack || (stack = new Stack);\n\t      var stacked = stack.get(value);\n\t      if (stacked) {\n\t        return stacked;\n\t      }\n\t      stack.set(value, result);\n\t\n\t      var keysFunc = isFull\n\t        ? (isFlat ? getAllKeysIn : getAllKeys)\n\t        : (isFlat ? keysIn : keys);\n\t\n\t      var props = isArr ? undefined : keysFunc(value);\n\t      arrayEach(props || value, function(subValue, key) {\n\t        if (props) {\n\t          key = subValue;\n\t          subValue = value[key];\n\t        }\n\t        // Recursively populate clone (susceptible to call stack limits).\n\t        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.conforms` which doesn't clone `source`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseConforms(source) {\n\t      var props = keys(source);\n\t      return function(object) {\n\t        return baseConformsTo(object, source, props);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.conformsTo` which accepts `props` to check.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n\t     */\n\t    function baseConformsTo(object, source, props) {\n\t      var length = props.length;\n\t      if (object == null) {\n\t        return !length;\n\t      }\n\t      object = Object(object);\n\t      while (length--) {\n\t        var key = props[length],\n\t            predicate = source[key],\n\t            value = object[key];\n\t\n\t        if ((value === undefined && !(key in object)) || !predicate(value)) {\n\t          return false;\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n\t     * to provide to `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @param {Array} args The arguments to provide to `func`.\n\t     * @returns {number|Object} Returns the timer id or timeout object.\n\t     */\n\t    function baseDelay(func, wait, args) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      return setTimeout(function() { func.apply(undefined, args); }, wait);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.difference` without support\n\t     * for excluding multiple arrays or iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Array} values The values to exclude.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     */\n\t    function baseDifference(array, values, iteratee, comparator) {\n\t      var index = -1,\n\t          includes = arrayIncludes,\n\t          isCommon = true,\n\t          length = array.length,\n\t          result = [],\n\t          valuesLength = values.length;\n\t\n\t      if (!length) {\n\t        return result;\n\t      }\n\t      if (iteratee) {\n\t        values = arrayMap(values, baseUnary(iteratee));\n\t      }\n\t      if (comparator) {\n\t        includes = arrayIncludesWith;\n\t        isCommon = false;\n\t      }\n\t      else if (values.length >= LARGE_ARRAY_SIZE) {\n\t        includes = cacheHas;\n\t        isCommon = false;\n\t        values = new SetCache(values);\n\t      }\n\t      outer:\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee == null ? value : iteratee(value);\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (isCommon && computed === computed) {\n\t          var valuesIndex = valuesLength;\n\t          while (valuesIndex--) {\n\t            if (values[valuesIndex] === computed) {\n\t              continue outer;\n\t            }\n\t          }\n\t          result.push(value);\n\t        }\n\t        else if (!includes(values, computed, comparator)) {\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.forEach` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     */\n\t    var baseEach = createBaseEach(baseForOwn);\n\t\n\t    /**\n\t     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     */\n\t    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\t\n\t    /**\n\t     * The base implementation of `_.every` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t     *  else `false`\n\t     */\n\t    function baseEvery(collection, predicate) {\n\t      var result = true;\n\t      baseEach(collection, function(value, index, collection) {\n\t        result = !!predicate(value, index, collection);\n\t        return result;\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.max` and `_.min` which accepts a\n\t     * `comparator` to determine the extremum value.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} iteratee The iteratee invoked per iteration.\n\t     * @param {Function} comparator The comparator used to compare values.\n\t     * @returns {*} Returns the extremum value.\n\t     */\n\t    function baseExtremum(array, iteratee, comparator) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            current = iteratee(value);\n\t\n\t        if (current != null && (computed === undefined\n\t              ? (current === current && !isSymbol(current))\n\t              : comparator(current, computed)\n\t            )) {\n\t          var computed = current,\n\t              result = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.fill` without an iteratee call guard.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to fill.\n\t     * @param {*} value The value to fill `array` with.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function baseFill(array, value, start, end) {\n\t      var length = array.length;\n\t\n\t      start = toInteger(start);\n\t      if (start < 0) {\n\t        start = -start > length ? 0 : (length + start);\n\t      }\n\t      end = (end === undefined || end > length) ? length : toInteger(end);\n\t      if (end < 0) {\n\t        end += length;\n\t      }\n\t      end = start > end ? 0 : toLength(end);\n\t      while (start < end) {\n\t        array[start++] = value;\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.filter` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     */\n\t    function baseFilter(collection, predicate) {\n\t      var result = [];\n\t      baseEach(collection, function(value, index, collection) {\n\t        if (predicate(value, index, collection)) {\n\t          result.push(value);\n\t        }\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.flatten` with support for restricting flattening.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to flatten.\n\t     * @param {number} depth The maximum recursion depth.\n\t     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n\t     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n\t     * @param {Array} [result=[]] The initial result value.\n\t     * @returns {Array} Returns the new flattened array.\n\t     */\n\t    function baseFlatten(array, depth, predicate, isStrict, result) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      predicate || (predicate = isFlattenable);\n\t      result || (result = []);\n\t\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (depth > 0 && predicate(value)) {\n\t          if (depth > 1) {\n\t            // Recursively flatten arrays (susceptible to call stack limits).\n\t            baseFlatten(value, depth - 1, predicate, isStrict, result);\n\t          } else {\n\t            arrayPush(result, value);\n\t          }\n\t        } else if (!isStrict) {\n\t          result[result.length] = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `baseForOwn` which iterates over `object`\n\t     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    var baseFor = createBaseFor();\n\t\n\t    /**\n\t     * This function is like `baseFor` except that it iterates over properties\n\t     * in the opposite order.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    var baseForRight = createBaseFor(true);\n\t\n\t    /**\n\t     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseForOwn(object, iteratee) {\n\t      return object && baseFor(object, iteratee, keys);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseForOwnRight(object, iteratee) {\n\t      return object && baseForRight(object, iteratee, keys);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.functions` which creates an array of\n\t     * `object` function property names filtered from `props`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Array} props The property names to filter.\n\t     * @returns {Array} Returns the function names.\n\t     */\n\t    function baseFunctions(object, props) {\n\t      return arrayFilter(props, function(key) {\n\t        return isFunction(object[key]);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.get` without support for default values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {*} Returns the resolved value.\n\t     */\n\t    function baseGet(object, path) {\n\t      path = castPath(path, object);\n\t\n\t      var index = 0,\n\t          length = path.length;\n\t\n\t      while (object != null && index < length) {\n\t        object = object[toKey(path[index++])];\n\t      }\n\t      return (index && index == length) ? object : undefined;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n\t     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n\t     * symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n\t      var result = keysFunc(object);\n\t      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `getTag` without fallbacks for buggy environments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the `toStringTag`.\n\t     */\n\t    function baseGetTag(value) {\n\t      if (value == null) {\n\t        return value === undefined ? undefinedTag : nullTag;\n\t      }\n\t      return (symToStringTag && symToStringTag in Object(value))\n\t        ? getRawTag(value)\n\t        : objectToString(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.gt` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t     *  else `false`.\n\t     */\n\t    function baseGt(value, other) {\n\t      return value > other;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.has` without support for deep paths.\n\t     *\n\t     * @private\n\t     * @param {Object} [object] The object to query.\n\t     * @param {Array|string} key The key to check.\n\t     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n\t     */\n\t    function baseHas(object, key) {\n\t      return object != null && hasOwnProperty.call(object, key);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.hasIn` without support for deep paths.\n\t     *\n\t     * @private\n\t     * @param {Object} [object] The object to query.\n\t     * @param {Array|string} key The key to check.\n\t     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n\t     */\n\t    function baseHasIn(object, key) {\n\t      return object != null && key in Object(object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.inRange` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} number The number to check.\n\t     * @param {number} start The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t     */\n\t    function baseInRange(number, start, end) {\n\t      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.intersection`, without support\n\t     * for iteratee shorthands, that accepts an array of arrays to inspect.\n\t     *\n\t     * @private\n\t     * @param {Array} arrays The arrays to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of shared values.\n\t     */\n\t    function baseIntersection(arrays, iteratee, comparator) {\n\t      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n\t          length = arrays[0].length,\n\t          othLength = arrays.length,\n\t          othIndex = othLength,\n\t          caches = Array(othLength),\n\t          maxLength = Infinity,\n\t          result = [];\n\t\n\t      while (othIndex--) {\n\t        var array = arrays[othIndex];\n\t        if (othIndex && iteratee) {\n\t          array = arrayMap(array, baseUnary(iteratee));\n\t        }\n\t        maxLength = nativeMin(array.length, maxLength);\n\t        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n\t          ? new SetCache(othIndex && array)\n\t          : undefined;\n\t      }\n\t      array = arrays[0];\n\t\n\t      var index = -1,\n\t          seen = caches[0];\n\t\n\t      outer:\n\t      while (++index < length && result.length < maxLength) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (!(seen\n\t              ? cacheHas(seen, computed)\n\t              : includes(result, computed, comparator)\n\t            )) {\n\t          othIndex = othLength;\n\t          while (--othIndex) {\n\t            var cache = caches[othIndex];\n\t            if (!(cache\n\t                  ? cacheHas(cache, computed)\n\t                  : includes(arrays[othIndex], computed, comparator))\n\t                ) {\n\t              continue outer;\n\t            }\n\t          }\n\t          if (seen) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.invert` and `_.invertBy` which inverts\n\t     * `object` with values transformed by `iteratee` and set by `setter`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} setter The function to set `accumulator` values.\n\t     * @param {Function} iteratee The iteratee to transform values.\n\t     * @param {Object} accumulator The initial inverted object.\n\t     * @returns {Function} Returns `accumulator`.\n\t     */\n\t    function baseInverter(object, setter, iteratee, accumulator) {\n\t      baseForOwn(object, function(value, key, object) {\n\t        setter(accumulator, iteratee(value), key, object);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.invoke` without support for individual\n\t     * method arguments.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {Array} args The arguments to invoke the method with.\n\t     * @returns {*} Returns the result of the invoked method.\n\t     */\n\t    function baseInvoke(object, path, args) {\n\t      path = castPath(path, object);\n\t      object = parent(object, path);\n\t      var func = object == null ? object : object[toKey(last(path))];\n\t      return func == null ? undefined : apply(func, object, args);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isArguments`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n\t     */\n\t    function baseIsArguments(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == argsTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n\t     */\n\t    function baseIsArrayBuffer(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isDate` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n\t     */\n\t    function baseIsDate(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == dateTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isEqual` which supports partial comparisons\n\t     * and tracks traversed objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @param {boolean} bitmask The bitmask flags.\n\t     *  1 - Unordered comparison\n\t     *  2 - Partial comparison\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     */\n\t    function baseIsEqual(value, other, bitmask, customizer, stack) {\n\t      if (value === other) {\n\t        return true;\n\t      }\n\t      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n\t        return value !== value && other !== other;\n\t      }\n\t      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqual` for arrays and objects which performs\n\t     * deep comparisons and tracks traversed objects enabling objects with circular\n\t     * references to be compared.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n\t      var objIsArr = isArray(object),\n\t          othIsArr = isArray(other),\n\t          objTag = objIsArr ? arrayTag : getTag(object),\n\t          othTag = othIsArr ? arrayTag : getTag(other);\n\t\n\t      objTag = objTag == argsTag ? objectTag : objTag;\n\t      othTag = othTag == argsTag ? objectTag : othTag;\n\t\n\t      var objIsObj = objTag == objectTag,\n\t          othIsObj = othTag == objectTag,\n\t          isSameTag = objTag == othTag;\n\t\n\t      if (isSameTag && isBuffer(object)) {\n\t        if (!isBuffer(other)) {\n\t          return false;\n\t        }\n\t        objIsArr = true;\n\t        objIsObj = false;\n\t      }\n\t      if (isSameTag && !objIsObj) {\n\t        stack || (stack = new Stack);\n\t        return (objIsArr || isTypedArray(object))\n\t          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n\t          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n\t      }\n\t      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n\t        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n\t            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\t\n\t        if (objIsWrapped || othIsWrapped) {\n\t          var objUnwrapped = objIsWrapped ? object.value() : object,\n\t              othUnwrapped = othIsWrapped ? other.value() : other;\n\t\n\t          stack || (stack = new Stack);\n\t          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n\t        }\n\t      }\n\t      if (!isSameTag) {\n\t        return false;\n\t      }\n\t      stack || (stack = new Stack);\n\t      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isMap` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n\t     */\n\t    function baseIsMap(value) {\n\t      return isObjectLike(value) && getTag(value) == mapTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @param {Array} matchData The property names, values, and compare flags to match.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     */\n\t    function baseIsMatch(object, source, matchData, customizer) {\n\t      var index = matchData.length,\n\t          length = index,\n\t          noCustomizer = !customizer;\n\t\n\t      if (object == null) {\n\t        return !length;\n\t      }\n\t      object = Object(object);\n\t      while (index--) {\n\t        var data = matchData[index];\n\t        if ((noCustomizer && data[2])\n\t              ? data[1] !== object[data[0]]\n\t              : !(data[0] in object)\n\t            ) {\n\t          return false;\n\t        }\n\t      }\n\t      while (++index < length) {\n\t        data = matchData[index];\n\t        var key = data[0],\n\t            objValue = object[key],\n\t            srcValue = data[1];\n\t\n\t        if (noCustomizer && data[2]) {\n\t          if (objValue === undefined && !(key in object)) {\n\t            return false;\n\t          }\n\t        } else {\n\t          var stack = new Stack;\n\t          if (customizer) {\n\t            var result = customizer(objValue, srcValue, key, object, source, stack);\n\t          }\n\t          if (!(result === undefined\n\t                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n\t                : result\n\t              )) {\n\t            return false;\n\t          }\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isNative` without bad shim checks.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a native function,\n\t     *  else `false`.\n\t     */\n\t    function baseIsNative(value) {\n\t      if (!isObject(value) || isMasked(value)) {\n\t        return false;\n\t      }\n\t      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n\t      return pattern.test(toSource(value));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isRegExp` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n\t     */\n\t    function baseIsRegExp(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isSet` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n\t     */\n\t    function baseIsSet(value) {\n\t      return isObjectLike(value) && getTag(value) == setTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n\t     */\n\t    function baseIsTypedArray(value) {\n\t      return isObjectLike(value) &&\n\t        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.iteratee`.\n\t     *\n\t     * @private\n\t     * @param {*} [value=_.identity] The value to convert to an iteratee.\n\t     * @returns {Function} Returns the iteratee.\n\t     */\n\t    function baseIteratee(value) {\n\t      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n\t      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n\t      if (typeof value == 'function') {\n\t        return value;\n\t      }\n\t      if (value == null) {\n\t        return identity;\n\t      }\n\t      if (typeof value == 'object') {\n\t        return isArray(value)\n\t          ? baseMatchesProperty(value[0], value[1])\n\t          : baseMatches(value);\n\t      }\n\t      return property(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function baseKeys(object) {\n\t      if (!isPrototype(object)) {\n\t        return nativeKeys(object);\n\t      }\n\t      var result = [];\n\t      for (var key in Object(object)) {\n\t        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function baseKeysIn(object) {\n\t      if (!isObject(object)) {\n\t        return nativeKeysIn(object);\n\t      }\n\t      var isProto = isPrototype(object),\n\t          result = [];\n\t\n\t      for (var key in object) {\n\t        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.lt` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t     *  else `false`.\n\t     */\n\t    function baseLt(value, other) {\n\t      return value < other;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.map` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array} Returns the new mapped array.\n\t     */\n\t    function baseMap(collection, iteratee) {\n\t      var index = -1,\n\t          result = isArrayLike(collection) ? Array(collection.length) : [];\n\t\n\t      baseEach(collection, function(value, key, collection) {\n\t        result[++index] = iteratee(value, key, collection);\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.matches` which doesn't clone `source`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseMatches(source) {\n\t      var matchData = getMatchData(source);\n\t      if (matchData.length == 1 && matchData[0][2]) {\n\t        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n\t      }\n\t      return function(object) {\n\t        return object === source || baseIsMatch(object, source, matchData);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n\t     *\n\t     * @private\n\t     * @param {string} path The path of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseMatchesProperty(path, srcValue) {\n\t      if (isKey(path) && isStrictComparable(srcValue)) {\n\t        return matchesStrictComparable(toKey(path), srcValue);\n\t      }\n\t      return function(object) {\n\t        var objValue = get(object, path);\n\t        return (objValue === undefined && objValue === srcValue)\n\t          ? hasIn(object, path)\n\t          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.merge` without support for multiple sources.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @param {number} srcIndex The index of `source`.\n\t     * @param {Function} [customizer] The function to customize merged values.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     */\n\t    function baseMerge(object, source, srcIndex, customizer, stack) {\n\t      if (object === source) {\n\t        return;\n\t      }\n\t      baseFor(source, function(srcValue, key) {\n\t        if (isObject(srcValue)) {\n\t          stack || (stack = new Stack);\n\t          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n\t        }\n\t        else {\n\t          var newValue = customizer\n\t            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n\t            : undefined;\n\t\n\t          if (newValue === undefined) {\n\t            newValue = srcValue;\n\t          }\n\t          assignMergeValue(object, key, newValue);\n\t        }\n\t      }, keysIn);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseMerge` for arrays and objects which performs\n\t     * deep merges and tracks traversed objects enabling objects with circular\n\t     * references to be merged.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @param {string} key The key of the value to merge.\n\t     * @param {number} srcIndex The index of `source`.\n\t     * @param {Function} mergeFunc The function to merge values.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     */\n\t    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n\t      var objValue = object[key],\n\t          srcValue = source[key],\n\t          stacked = stack.get(srcValue);\n\t\n\t      if (stacked) {\n\t        assignMergeValue(object, key, stacked);\n\t        return;\n\t      }\n\t      var newValue = customizer\n\t        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n\t        : undefined;\n\t\n\t      var isCommon = newValue === undefined;\n\t\n\t      if (isCommon) {\n\t        var isArr = isArray(srcValue),\n\t            isBuff = !isArr && isBuffer(srcValue),\n\t            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\t\n\t        newValue = srcValue;\n\t        if (isArr || isBuff || isTyped) {\n\t          if (isArray(objValue)) {\n\t            newValue = objValue;\n\t          }\n\t          else if (isArrayLikeObject(objValue)) {\n\t            newValue = copyArray(objValue);\n\t          }\n\t          else if (isBuff) {\n\t            isCommon = false;\n\t            newValue = cloneBuffer(srcValue, true);\n\t          }\n\t          else if (isTyped) {\n\t            isCommon = false;\n\t            newValue = cloneTypedArray(srcValue, true);\n\t          }\n\t          else {\n\t            newValue = [];\n\t          }\n\t        }\n\t        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n\t          newValue = objValue;\n\t          if (isArguments(objValue)) {\n\t            newValue = toPlainObject(objValue);\n\t          }\n\t          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n\t            newValue = initCloneObject(srcValue);\n\t          }\n\t        }\n\t        else {\n\t          isCommon = false;\n\t        }\n\t      }\n\t      if (isCommon) {\n\t        // Recursively merge objects and arrays (susceptible to call stack limits).\n\t        stack.set(srcValue, newValue);\n\t        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n\t        stack['delete'](srcValue);\n\t      }\n\t      assignMergeValue(object, key, newValue);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.nth` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to query.\n\t     * @param {number} n The index of the element to return.\n\t     * @returns {*} Returns the nth element of `array`.\n\t     */\n\t    function baseNth(array, n) {\n\t      var length = array.length;\n\t      if (!length) {\n\t        return;\n\t      }\n\t      n += n < 0 ? length : 0;\n\t      return isIndex(n, length) ? array[n] : undefined;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.orderBy` without param guards.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n\t     * @param {string[]} orders The sort orders of `iteratees`.\n\t     * @returns {Array} Returns the new sorted array.\n\t     */\n\t    function baseOrderBy(collection, iteratees, orders) {\n\t      var index = -1;\n\t      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\t\n\t      var result = baseMap(collection, function(value, key, collection) {\n\t        var criteria = arrayMap(iteratees, function(iteratee) {\n\t          return iteratee(value);\n\t        });\n\t        return { 'criteria': criteria, 'index': ++index, 'value': value };\n\t      });\n\t\n\t      return baseSortBy(result, function(object, other) {\n\t        return compareMultiple(object, other, orders);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pick` without support for individual\n\t     * property identifiers.\n\t     *\n\t     * @private\n\t     * @param {Object} object The source object.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function basePick(object, paths) {\n\t      return basePickBy(object, paths, function(value, path) {\n\t        return hasIn(object, path);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The source object.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @param {Function} predicate The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function basePickBy(object, paths, predicate) {\n\t      var index = -1,\n\t          length = paths.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var path = paths[index],\n\t            value = baseGet(object, path);\n\t\n\t        if (predicate(value, path)) {\n\t          baseSet(result, castPath(path, object), value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseProperty` which supports deep paths.\n\t     *\n\t     * @private\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {Function} Returns the new accessor function.\n\t     */\n\t    function basePropertyDeep(path) {\n\t      return function(object) {\n\t        return baseGet(object, path);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pullAllBy` without support for iteratee\n\t     * shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function basePullAll(array, values, iteratee, comparator) {\n\t      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n\t          index = -1,\n\t          length = values.length,\n\t          seen = array;\n\t\n\t      if (array === values) {\n\t        values = copyArray(values);\n\t      }\n\t      if (iteratee) {\n\t        seen = arrayMap(array, baseUnary(iteratee));\n\t      }\n\t      while (++index < length) {\n\t        var fromIndex = 0,\n\t            value = values[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n\t          if (seen !== array) {\n\t            splice.call(seen, fromIndex, 1);\n\t          }\n\t          splice.call(array, fromIndex, 1);\n\t        }\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pullAt` without support for individual\n\t     * indexes or capturing the removed elements.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to modify.\n\t     * @param {number[]} indexes The indexes of elements to remove.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function basePullAt(array, indexes) {\n\t      var length = array ? indexes.length : 0,\n\t          lastIndex = length - 1;\n\t\n\t      while (length--) {\n\t        var index = indexes[length];\n\t        if (length == lastIndex || index !== previous) {\n\t          var previous = index;\n\t          if (isIndex(index)) {\n\t            splice.call(array, index, 1);\n\t          } else {\n\t            baseUnset(array, index);\n\t          }\n\t        }\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.random` without support for returning\n\t     * floating-point numbers.\n\t     *\n\t     * @private\n\t     * @param {number} lower The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the random number.\n\t     */\n\t    function baseRandom(lower, upper) {\n\t      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n\t     * coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} start The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} step The value to increment or decrement by.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Array} Returns the range of numbers.\n\t     */\n\t    function baseRange(start, end, step, fromRight) {\n\t      var index = -1,\n\t          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n\t          result = Array(length);\n\t\n\t      while (length--) {\n\t        result[fromRight ? length : ++index] = start;\n\t        start += step;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.repeat` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {string} string The string to repeat.\n\t     * @param {number} n The number of times to repeat the string.\n\t     * @returns {string} Returns the repeated string.\n\t     */\n\t    function baseRepeat(string, n) {\n\t      var result = '';\n\t      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n\t        return result;\n\t      }\n\t      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n\t      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n\t      do {\n\t        if (n % 2) {\n\t          result += string;\n\t        }\n\t        n = nativeFloor(n / 2);\n\t        if (n) {\n\t          string += string;\n\t        }\n\t      } while (n);\n\t\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function baseRest(func, start) {\n\t      return setToString(overRest(func, start, identity), func + '');\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sample`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @returns {*} Returns the random element.\n\t     */\n\t    function baseSample(collection) {\n\t      return arraySample(values(collection));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sampleSize` without param guards.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @param {number} n The number of elements to sample.\n\t     * @returns {Array} Returns the random elements.\n\t     */\n\t    function baseSampleSize(collection, n) {\n\t      var array = values(collection);\n\t      return shuffleSelf(array, baseClamp(n, 0, array.length));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.set`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @param {Function} [customizer] The function to customize path creation.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseSet(object, path, value, customizer) {\n\t      if (!isObject(object)) {\n\t        return object;\n\t      }\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length,\n\t          lastIndex = length - 1,\n\t          nested = object;\n\t\n\t      while (nested != null && ++index < length) {\n\t        var key = toKey(path[index]),\n\t            newValue = value;\n\t\n\t        if (index != lastIndex) {\n\t          var objValue = nested[key];\n\t          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n\t          if (newValue === undefined) {\n\t            newValue = isObject(objValue)\n\t              ? objValue\n\t              : (isIndex(path[index + 1]) ? [] : {});\n\t          }\n\t        }\n\t        assignValue(nested, key, newValue);\n\t        nested = nested[key];\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `setData` without support for hot loop shorting.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to associate metadata with.\n\t     * @param {*} data The metadata.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var baseSetData = !metaMap ? identity : function(func, data) {\n\t      metaMap.set(func, data);\n\t      return func;\n\t    };\n\t\n\t    /**\n\t     * The base implementation of `setToString` without support for hot loop shorting.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to modify.\n\t     * @param {Function} string The `toString` result.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var baseSetToString = !defineProperty ? identity : function(func, string) {\n\t      return defineProperty(func, 'toString', {\n\t        'configurable': true,\n\t        'enumerable': false,\n\t        'value': constant(string),\n\t        'writable': true\n\t      });\n\t    };\n\t\n\t    /**\n\t     * The base implementation of `_.shuffle`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     */\n\t    function baseShuffle(collection) {\n\t      return shuffleSelf(values(collection));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.slice` without an iteratee call guard.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to slice.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function baseSlice(array, start, end) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      if (start < 0) {\n\t        start = -start > length ? 0 : (length + start);\n\t      }\n\t      end = end > length ? length : end;\n\t      if (end < 0) {\n\t        end += length;\n\t      }\n\t      length = start > end ? 0 : ((end - start) >>> 0);\n\t      start >>>= 0;\n\t\n\t      var result = Array(length);\n\t      while (++index < length) {\n\t        result[index] = array[index + start];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.some` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t     *  else `false`.\n\t     */\n\t    function baseSome(collection, predicate) {\n\t      var result;\n\t\n\t      baseEach(collection, function(value, index, collection) {\n\t        result = predicate(value, index, collection);\n\t        return !result;\n\t      });\n\t      return !!result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n\t     * performs a binary search of `array` to determine the index at which `value`\n\t     * should be inserted into `array` in order to maintain its sort order.\n\t     *\n\t     * @private\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     */\n\t    function baseSortedIndex(array, value, retHighest) {\n\t      var low = 0,\n\t          high = array == null ? low : array.length;\n\t\n\t      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n\t        while (low < high) {\n\t          var mid = (low + high) >>> 1,\n\t              computed = array[mid];\n\t\n\t          if (computed !== null && !isSymbol(computed) &&\n\t              (retHighest ? (computed <= value) : (computed < value))) {\n\t            low = mid + 1;\n\t          } else {\n\t            high = mid;\n\t          }\n\t        }\n\t        return high;\n\t      }\n\t      return baseSortedIndexBy(array, value, identity, retHighest);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n\t     * which invokes `iteratee` for `value` and each element of `array` to compute\n\t     * their sort ranking. The iteratee is invoked with one argument; (value).\n\t     *\n\t     * @private\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} iteratee The iteratee invoked per element.\n\t     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     */\n\t    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n\t      value = iteratee(value);\n\t\n\t      var low = 0,\n\t          high = array == null ? 0 : array.length,\n\t          valIsNaN = value !== value,\n\t          valIsNull = value === null,\n\t          valIsSymbol = isSymbol(value),\n\t          valIsUndefined = value === undefined;\n\t\n\t      while (low < high) {\n\t        var mid = nativeFloor((low + high) / 2),\n\t            computed = iteratee(array[mid]),\n\t            othIsDefined = computed !== undefined,\n\t            othIsNull = computed === null,\n\t            othIsReflexive = computed === computed,\n\t            othIsSymbol = isSymbol(computed);\n\t\n\t        if (valIsNaN) {\n\t          var setLow = retHighest || othIsReflexive;\n\t        } else if (valIsUndefined) {\n\t          setLow = othIsReflexive && (retHighest || othIsDefined);\n\t        } else if (valIsNull) {\n\t          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n\t        } else if (valIsSymbol) {\n\t          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n\t        } else if (othIsNull || othIsSymbol) {\n\t          setLow = false;\n\t        } else {\n\t          setLow = retHighest ? (computed <= value) : (computed < value);\n\t        }\n\t        if (setLow) {\n\t          low = mid + 1;\n\t        } else {\n\t          high = mid;\n\t        }\n\t      }\n\t      return nativeMin(high, MAX_ARRAY_INDEX);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n\t     * support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     */\n\t    function baseSortedUniq(array, iteratee) {\n\t      var index = -1,\n\t          length = array.length,\n\t          resIndex = 0,\n\t          result = [];\n\t\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        if (!index || !eq(computed, seen)) {\n\t          var seen = computed;\n\t          result[resIndex++] = value === 0 ? 0 : value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.toNumber` which doesn't ensure correct\n\t     * conversions of binary, hexadecimal, or octal string values.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to process.\n\t     * @returns {number} Returns the number.\n\t     */\n\t    function baseToNumber(value) {\n\t      if (typeof value == 'number') {\n\t        return value;\n\t      }\n\t      if (isSymbol(value)) {\n\t        return NAN;\n\t      }\n\t      return +value;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.toString` which doesn't convert nullish\n\t     * values to empty strings.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to process.\n\t     * @returns {string} Returns the string.\n\t     */\n\t    function baseToString(value) {\n\t      // Exit early for strings to avoid a performance hit in some environments.\n\t      if (typeof value == 'string') {\n\t        return value;\n\t      }\n\t      if (isArray(value)) {\n\t        // Recursively convert values (susceptible to call stack limits).\n\t        return arrayMap(value, baseToString) + '';\n\t      }\n\t      if (isSymbol(value)) {\n\t        return symbolToString ? symbolToString.call(value) : '';\n\t      }\n\t      var result = (value + '');\n\t      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     */\n\t    function baseUniq(array, iteratee, comparator) {\n\t      var index = -1,\n\t          includes = arrayIncludes,\n\t          length = array.length,\n\t          isCommon = true,\n\t          result = [],\n\t          seen = result;\n\t\n\t      if (comparator) {\n\t        isCommon = false;\n\t        includes = arrayIncludesWith;\n\t      }\n\t      else if (length >= LARGE_ARRAY_SIZE) {\n\t        var set = iteratee ? null : createSet(array);\n\t        if (set) {\n\t          return setToArray(set);\n\t        }\n\t        isCommon = false;\n\t        includes = cacheHas;\n\t        seen = new SetCache;\n\t      }\n\t      else {\n\t        seen = iteratee ? [] : result;\n\t      }\n\t      outer:\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (isCommon && computed === computed) {\n\t          var seenIndex = seen.length;\n\t          while (seenIndex--) {\n\t            if (seen[seenIndex] === computed) {\n\t              continue outer;\n\t            }\n\t          }\n\t          if (iteratee) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t        else if (!includes(seen, computed, comparator)) {\n\t          if (seen !== result) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.unset`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The property path to unset.\n\t     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t     */\n\t    function baseUnset(object, path) {\n\t      path = castPath(path, object);\n\t      object = parent(object, path);\n\t      return object == null || delete object[toKey(last(path))];\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.update`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to update.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @param {Function} [customizer] The function to customize path creation.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseUpdate(object, path, updater, customizer) {\n\t      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n\t     * without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function baseWhile(array, predicate, isDrop, fromRight) {\n\t      var length = array.length,\n\t          index = fromRight ? length : -1;\n\t\n\t      while ((fromRight ? index-- : ++index < length) &&\n\t        predicate(array[index], index, array)) {}\n\t\n\t      return isDrop\n\t        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n\t        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `wrapperValue` which returns the result of\n\t     * performing a sequence of actions on the unwrapped `value`, where each\n\t     * successive action is supplied the return value of the previous.\n\t     *\n\t     * @private\n\t     * @param {*} value The unwrapped value.\n\t     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n\t     * @returns {*} Returns the resolved value.\n\t     */\n\t    function baseWrapperValue(value, actions) {\n\t      var result = value;\n\t      if (result instanceof LazyWrapper) {\n\t        result = result.value();\n\t      }\n\t      return arrayReduce(actions, function(result, action) {\n\t        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n\t      }, result);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.xor`, without support for\n\t     * iteratee shorthands, that accepts an array of arrays to inspect.\n\t     *\n\t     * @private\n\t     * @param {Array} arrays The arrays to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of values.\n\t     */\n\t    function baseXor(arrays, iteratee, comparator) {\n\t      var length = arrays.length;\n\t      if (length < 2) {\n\t        return length ? baseUniq(arrays[0]) : [];\n\t      }\n\t      var index = -1,\n\t          result = Array(length);\n\t\n\t      while (++index < length) {\n\t        var array = arrays[index],\n\t            othIndex = -1;\n\t\n\t        while (++othIndex < length) {\n\t          if (othIndex != index) {\n\t            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n\t          }\n\t        }\n\t      }\n\t      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n\t    }\n\t\n\t    /**\n\t     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n\t     *\n\t     * @private\n\t     * @param {Array} props The property identifiers.\n\t     * @param {Array} values The property values.\n\t     * @param {Function} assignFunc The function to assign values.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function baseZipObject(props, values, assignFunc) {\n\t      var index = -1,\n\t          length = props.length,\n\t          valsLength = values.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var value = index < valsLength ? values[index] : undefined;\n\t        assignFunc(result, props[index], value);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to an empty array if it's not an array like object.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Array|Object} Returns the cast array-like object.\n\t     */\n\t    function castArrayLikeObject(value) {\n\t      return isArrayLikeObject(value) ? value : [];\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to `identity` if it's not a function.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Function} Returns cast function.\n\t     */\n\t    function castFunction(value) {\n\t      return typeof value == 'function' ? value : identity;\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to a path array if it's not one.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @param {Object} [object] The object to query keys on.\n\t     * @returns {Array} Returns the cast property path array.\n\t     */\n\t    function castPath(value, object) {\n\t      if (isArray(value)) {\n\t        return value;\n\t      }\n\t      return isKey(value, object) ? [value] : stringToPath(toString(value));\n\t    }\n\t\n\t    /**\n\t     * A `baseRest` alias which can be replaced with `identity` by module\n\t     * replacement plugins.\n\t     *\n\t     * @private\n\t     * @type {Function}\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    var castRest = baseRest;\n\t\n\t    /**\n\t     * Casts `array` to a slice if it's needed.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {number} start The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the cast slice.\n\t     */\n\t    function castSlice(array, start, end) {\n\t      var length = array.length;\n\t      end = end === undefined ? length : end;\n\t      return (!start && end >= length) ? array : baseSlice(array, start, end);\n\t    }\n\t\n\t    /**\n\t     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n\t     *\n\t     * @private\n\t     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n\t     */\n\t    var clearTimeout = ctxClearTimeout || function(id) {\n\t      return root.clearTimeout(id);\n\t    };\n\t\n\t    /**\n\t     * Creates a clone of  `buffer`.\n\t     *\n\t     * @private\n\t     * @param {Buffer} buffer The buffer to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Buffer} Returns the cloned buffer.\n\t     */\n\t    function cloneBuffer(buffer, isDeep) {\n\t      if (isDeep) {\n\t        return buffer.slice();\n\t      }\n\t      var length = buffer.length,\n\t          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\t\n\t      buffer.copy(result);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `arrayBuffer`.\n\t     *\n\t     * @private\n\t     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n\t     * @returns {ArrayBuffer} Returns the cloned array buffer.\n\t     */\n\t    function cloneArrayBuffer(arrayBuffer) {\n\t      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n\t      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `dataView`.\n\t     *\n\t     * @private\n\t     * @param {Object} dataView The data view to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned data view.\n\t     */\n\t    function cloneDataView(dataView, isDeep) {\n\t      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n\t      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `map`.\n\t     *\n\t     * @private\n\t     * @param {Object} map The map to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned map.\n\t     */\n\t    function cloneMap(map, isDeep, cloneFunc) {\n\t      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n\t      return arrayReduce(array, addMapEntry, new map.constructor);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `regexp`.\n\t     *\n\t     * @private\n\t     * @param {Object} regexp The regexp to clone.\n\t     * @returns {Object} Returns the cloned regexp.\n\t     */\n\t    function cloneRegExp(regexp) {\n\t      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n\t      result.lastIndex = regexp.lastIndex;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `set`.\n\t     *\n\t     * @private\n\t     * @param {Object} set The set to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned set.\n\t     */\n\t    function cloneSet(set, isDeep, cloneFunc) {\n\t      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n\t      return arrayReduce(array, addSetEntry, new set.constructor);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the `symbol` object.\n\t     *\n\t     * @private\n\t     * @param {Object} symbol The symbol object to clone.\n\t     * @returns {Object} Returns the cloned symbol object.\n\t     */\n\t    function cloneSymbol(symbol) {\n\t      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `typedArray`.\n\t     *\n\t     * @private\n\t     * @param {Object} typedArray The typed array to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned typed array.\n\t     */\n\t    function cloneTypedArray(typedArray, isDeep) {\n\t      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n\t      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n\t    }\n\t\n\t    /**\n\t     * Compares values to sort them in ascending order.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {number} Returns the sort order indicator for `value`.\n\t     */\n\t    function compareAscending(value, other) {\n\t      if (value !== other) {\n\t        var valIsDefined = value !== undefined,\n\t            valIsNull = value === null,\n\t            valIsReflexive = value === value,\n\t            valIsSymbol = isSymbol(value);\n\t\n\t        var othIsDefined = other !== undefined,\n\t            othIsNull = other === null,\n\t            othIsReflexive = other === other,\n\t            othIsSymbol = isSymbol(other);\n\t\n\t        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n\t            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n\t            (valIsNull && othIsDefined && othIsReflexive) ||\n\t            (!valIsDefined && othIsReflexive) ||\n\t            !valIsReflexive) {\n\t          return 1;\n\t        }\n\t        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n\t            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n\t            (othIsNull && valIsDefined && valIsReflexive) ||\n\t            (!othIsDefined && valIsReflexive) ||\n\t            !othIsReflexive) {\n\t          return -1;\n\t        }\n\t      }\n\t      return 0;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.orderBy` to compare multiple properties of a value to another\n\t     * and stable sort them.\n\t     *\n\t     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n\t     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n\t     * of corresponding values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {boolean[]|string[]} orders The order to sort by for each property.\n\t     * @returns {number} Returns the sort order indicator for `object`.\n\t     */\n\t    function compareMultiple(object, other, orders) {\n\t      var index = -1,\n\t          objCriteria = object.criteria,\n\t          othCriteria = other.criteria,\n\t          length = objCriteria.length,\n\t          ordersLength = orders.length;\n\t\n\t      while (++index < length) {\n\t        var result = compareAscending(objCriteria[index], othCriteria[index]);\n\t        if (result) {\n\t          if (index >= ordersLength) {\n\t            return result;\n\t          }\n\t          var order = orders[index];\n\t          return result * (order == 'desc' ? -1 : 1);\n\t        }\n\t      }\n\t      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n\t      // that causes it, under certain circumstances, to provide the same value for\n\t      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n\t      // for more details.\n\t      //\n\t      // This also ensures a stable sort in V8 and other engines.\n\t      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n\t      return object.index - other.index;\n\t    }\n\t\n\t    /**\n\t     * Creates an array that is the composition of partially applied arguments,\n\t     * placeholders, and provided arguments into a single array of arguments.\n\t     *\n\t     * @private\n\t     * @param {Array} args The provided arguments.\n\t     * @param {Array} partials The arguments to prepend to those provided.\n\t     * @param {Array} holders The `partials` placeholder indexes.\n\t     * @params {boolean} [isCurried] Specify composing for a curried function.\n\t     * @returns {Array} Returns the new array of composed arguments.\n\t     */\n\t    function composeArgs(args, partials, holders, isCurried) {\n\t      var argsIndex = -1,\n\t          argsLength = args.length,\n\t          holdersLength = holders.length,\n\t          leftIndex = -1,\n\t          leftLength = partials.length,\n\t          rangeLength = nativeMax(argsLength - holdersLength, 0),\n\t          result = Array(leftLength + rangeLength),\n\t          isUncurried = !isCurried;\n\t\n\t      while (++leftIndex < leftLength) {\n\t        result[leftIndex] = partials[leftIndex];\n\t      }\n\t      while (++argsIndex < holdersLength) {\n\t        if (isUncurried || argsIndex < argsLength) {\n\t          result[holders[argsIndex]] = args[argsIndex];\n\t        }\n\t      }\n\t      while (rangeLength--) {\n\t        result[leftIndex++] = args[argsIndex++];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This function is like `composeArgs` except that the arguments composition\n\t     * is tailored for `_.partialRight`.\n\t     *\n\t     * @private\n\t     * @param {Array} args The provided arguments.\n\t     * @param {Array} partials The arguments to append to those provided.\n\t     * @param {Array} holders The `partials` placeholder indexes.\n\t     * @params {boolean} [isCurried] Specify composing for a curried function.\n\t     * @returns {Array} Returns the new array of composed arguments.\n\t     */\n\t    function composeArgsRight(args, partials, holders, isCurried) {\n\t      var argsIndex = -1,\n\t          argsLength = args.length,\n\t          holdersIndex = -1,\n\t          holdersLength = holders.length,\n\t          rightIndex = -1,\n\t          rightLength = partials.length,\n\t          rangeLength = nativeMax(argsLength - holdersLength, 0),\n\t          result = Array(rangeLength + rightLength),\n\t          isUncurried = !isCurried;\n\t\n\t      while (++argsIndex < rangeLength) {\n\t        result[argsIndex] = args[argsIndex];\n\t      }\n\t      var offset = argsIndex;\n\t      while (++rightIndex < rightLength) {\n\t        result[offset + rightIndex] = partials[rightIndex];\n\t      }\n\t      while (++holdersIndex < holdersLength) {\n\t        if (isUncurried || argsIndex < argsLength) {\n\t          result[offset + holders[holdersIndex]] = args[argsIndex++];\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Copies the values of `source` to `array`.\n\t     *\n\t     * @private\n\t     * @param {Array} source The array to copy values from.\n\t     * @param {Array} [array=[]] The array to copy values to.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function copyArray(source, array) {\n\t      var index = -1,\n\t          length = source.length;\n\t\n\t      array || (array = Array(length));\n\t      while (++index < length) {\n\t        array[index] = source[index];\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Copies properties of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy properties from.\n\t     * @param {Array} props The property identifiers to copy.\n\t     * @param {Object} [object={}] The object to copy properties to.\n\t     * @param {Function} [customizer] The function to customize copied values.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copyObject(source, props, object, customizer) {\n\t      var isNew = !object;\n\t      object || (object = {});\n\t\n\t      var index = -1,\n\t          length = props.length;\n\t\n\t      while (++index < length) {\n\t        var key = props[index];\n\t\n\t        var newValue = customizer\n\t          ? customizer(object[key], source[key], key, object, source)\n\t          : undefined;\n\t\n\t        if (newValue === undefined) {\n\t          newValue = source[key];\n\t        }\n\t        if (isNew) {\n\t          baseAssignValue(object, key, newValue);\n\t        } else {\n\t          assignValue(object, key, newValue);\n\t        }\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Copies own symbols of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy symbols from.\n\t     * @param {Object} [object={}] The object to copy symbols to.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copySymbols(source, object) {\n\t      return copyObject(source, getSymbols(source), object);\n\t    }\n\t\n\t    /**\n\t     * Copies own and inherited symbols of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy symbols from.\n\t     * @param {Object} [object={}] The object to copy symbols to.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copySymbolsIn(source, object) {\n\t      return copyObject(source, getSymbolsIn(source), object);\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.groupBy`.\n\t     *\n\t     * @private\n\t     * @param {Function} setter The function to set accumulator values.\n\t     * @param {Function} [initializer] The accumulator object initializer.\n\t     * @returns {Function} Returns the new aggregator function.\n\t     */\n\t    function createAggregator(setter, initializer) {\n\t      return function(collection, iteratee) {\n\t        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n\t            accumulator = initializer ? initializer() : {};\n\t\n\t        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.assign`.\n\t     *\n\t     * @private\n\t     * @param {Function} assigner The function to assign values.\n\t     * @returns {Function} Returns the new assigner function.\n\t     */\n\t    function createAssigner(assigner) {\n\t      return baseRest(function(object, sources) {\n\t        var index = -1,\n\t            length = sources.length,\n\t            customizer = length > 1 ? sources[length - 1] : undefined,\n\t            guard = length > 2 ? sources[2] : undefined;\n\t\n\t        customizer = (assigner.length > 3 && typeof customizer == 'function')\n\t          ? (length--, customizer)\n\t          : undefined;\n\t\n\t        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n\t          customizer = length < 3 ? undefined : customizer;\n\t          length = 1;\n\t        }\n\t        object = Object(object);\n\t        while (++index < length) {\n\t          var source = sources[index];\n\t          if (source) {\n\t            assigner(object, source, index, customizer);\n\t          }\n\t        }\n\t        return object;\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a `baseEach` or `baseEachRight` function.\n\t     *\n\t     * @private\n\t     * @param {Function} eachFunc The function to iterate over a collection.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new base function.\n\t     */\n\t    function createBaseEach(eachFunc, fromRight) {\n\t      return function(collection, iteratee) {\n\t        if (collection == null) {\n\t          return collection;\n\t        }\n\t        if (!isArrayLike(collection)) {\n\t          return eachFunc(collection, iteratee);\n\t        }\n\t        var length = collection.length,\n\t            index = fromRight ? length : -1,\n\t            iterable = Object(collection);\n\t\n\t        while ((fromRight ? index-- : ++index < length)) {\n\t          if (iteratee(iterable[index], index, iterable) === false) {\n\t            break;\n\t          }\n\t        }\n\t        return collection;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new base function.\n\t     */\n\t    function createBaseFor(fromRight) {\n\t      return function(object, iteratee, keysFunc) {\n\t        var index = -1,\n\t            iterable = Object(object),\n\t            props = keysFunc(object),\n\t            length = props.length;\n\t\n\t        while (length--) {\n\t          var key = props[fromRight ? length : ++index];\n\t          if (iteratee(iterable[key], key, iterable) === false) {\n\t            break;\n\t          }\n\t        }\n\t        return object;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with the optional `this`\n\t     * binding of `thisArg`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createBind(func, bitmask, thisArg) {\n\t      var isBind = bitmask & WRAP_BIND_FLAG,\n\t          Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t        return fn.apply(isBind ? thisArg : this, arguments);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.lowerFirst`.\n\t     *\n\t     * @private\n\t     * @param {string} methodName The name of the `String` case method to use.\n\t     * @returns {Function} Returns the new case function.\n\t     */\n\t    function createCaseFirst(methodName) {\n\t      return function(string) {\n\t        string = toString(string);\n\t\n\t        var strSymbols = hasUnicode(string)\n\t          ? stringToArray(string)\n\t          : undefined;\n\t\n\t        var chr = strSymbols\n\t          ? strSymbols[0]\n\t          : string.charAt(0);\n\t\n\t        var trailing = strSymbols\n\t          ? castSlice(strSymbols, 1).join('')\n\t          : string.slice(1);\n\t\n\t        return chr[methodName]() + trailing;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.camelCase`.\n\t     *\n\t     * @private\n\t     * @param {Function} callback The function to combine each word.\n\t     * @returns {Function} Returns the new compounder function.\n\t     */\n\t    function createCompounder(callback) {\n\t      return function(string) {\n\t        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that produces an instance of `Ctor` regardless of\n\t     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n\t     *\n\t     * @private\n\t     * @param {Function} Ctor The constructor to wrap.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createCtor(Ctor) {\n\t      return function() {\n\t        // Use a `switch` statement to work with class constructors. See\n\t        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n\t        // for more details.\n\t        var args = arguments;\n\t        switch (args.length) {\n\t          case 0: return new Ctor;\n\t          case 1: return new Ctor(args[0]);\n\t          case 2: return new Ctor(args[0], args[1]);\n\t          case 3: return new Ctor(args[0], args[1], args[2]);\n\t          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n\t          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n\t          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n\t          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n\t        }\n\t        var thisBinding = baseCreate(Ctor.prototype),\n\t            result = Ctor.apply(thisBinding, args);\n\t\n\t        // Mimic the constructor's `return` behavior.\n\t        // See https://es5.github.io/#x13.2.2 for more details.\n\t        return isObject(result) ? result : thisBinding;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to enable currying.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {number} arity The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createCurry(func, bitmask, arity) {\n\t      var Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var length = arguments.length,\n\t            args = Array(length),\n\t            index = length,\n\t            placeholder = getHolder(wrapper);\n\t\n\t        while (index--) {\n\t          args[index] = arguments[index];\n\t        }\n\t        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n\t          ? []\n\t          : replaceHolders(args, placeholder);\n\t\n\t        length -= holders.length;\n\t        if (length < arity) {\n\t          return createRecurry(\n\t            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n\t            args, holders, undefined, undefined, arity - length);\n\t        }\n\t        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t        return apply(fn, this, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.find` or `_.findLast` function.\n\t     *\n\t     * @private\n\t     * @param {Function} findIndexFunc The function to find the collection index.\n\t     * @returns {Function} Returns the new find function.\n\t     */\n\t    function createFind(findIndexFunc) {\n\t      return function(collection, predicate, fromIndex) {\n\t        var iterable = Object(collection);\n\t        if (!isArrayLike(collection)) {\n\t          var iteratee = getIteratee(predicate, 3);\n\t          collection = keys(collection);\n\t          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n\t        }\n\t        var index = findIndexFunc(collection, predicate, fromIndex);\n\t        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.flow` or `_.flowRight` function.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new flow function.\n\t     */\n\t    function createFlow(fromRight) {\n\t      return flatRest(function(funcs) {\n\t        var length = funcs.length,\n\t            index = length,\n\t            prereq = LodashWrapper.prototype.thru;\n\t\n\t        if (fromRight) {\n\t          funcs.reverse();\n\t        }\n\t        while (index--) {\n\t          var func = funcs[index];\n\t          if (typeof func != 'function') {\n\t            throw new TypeError(FUNC_ERROR_TEXT);\n\t          }\n\t          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n\t            var wrapper = new LodashWrapper([], true);\n\t          }\n\t        }\n\t        index = wrapper ? index : length;\n\t        while (++index < length) {\n\t          func = funcs[index];\n\t\n\t          var funcName = getFuncName(func),\n\t              data = funcName == 'wrapper' ? getData(func) : undefined;\n\t\n\t          if (data && isLaziable(data[0]) &&\n\t                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n\t                !data[4].length && data[9] == 1\n\t              ) {\n\t            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n\t          } else {\n\t            wrapper = (func.length == 1 && isLaziable(func))\n\t              ? wrapper[funcName]()\n\t              : wrapper.thru(func);\n\t          }\n\t        }\n\t        return function() {\n\t          var args = arguments,\n\t              value = args[0];\n\t\n\t          if (wrapper && args.length == 1 && isArray(value)) {\n\t            return wrapper.plant(value).value();\n\t          }\n\t          var index = 0,\n\t              result = length ? funcs[index].apply(this, args) : value;\n\t\n\t          while (++index < length) {\n\t            result = funcs[index].call(this, result);\n\t          }\n\t          return result;\n\t        };\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with optional `this`\n\t     * binding of `thisArg`, partial application, and currying.\n\t     *\n\t     * @private\n\t     * @param {Function|string} func The function or method name to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [partialsRight] The arguments to append to those provided\n\t     *  to the new function.\n\t     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n\t      var isAry = bitmask & WRAP_ARY_FLAG,\n\t          isBind = bitmask & WRAP_BIND_FLAG,\n\t          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n\t          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n\t          isFlip = bitmask & WRAP_FLIP_FLAG,\n\t          Ctor = isBindKey ? undefined : createCtor(func);\n\t\n\t      function wrapper() {\n\t        var length = arguments.length,\n\t            args = Array(length),\n\t            index = length;\n\t\n\t        while (index--) {\n\t          args[index] = arguments[index];\n\t        }\n\t        if (isCurried) {\n\t          var placeholder = getHolder(wrapper),\n\t              holdersCount = countHolders(args, placeholder);\n\t        }\n\t        if (partials) {\n\t          args = composeArgs(args, partials, holders, isCurried);\n\t        }\n\t        if (partialsRight) {\n\t          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n\t        }\n\t        length -= holdersCount;\n\t        if (isCurried && length < arity) {\n\t          var newHolders = replaceHolders(args, placeholder);\n\t          return createRecurry(\n\t            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n\t            args, newHolders, argPos, ary, arity - length\n\t          );\n\t        }\n\t        var thisBinding = isBind ? thisArg : this,\n\t            fn = isBindKey ? thisBinding[func] : func;\n\t\n\t        length = args.length;\n\t        if (argPos) {\n\t          args = reorder(args, argPos);\n\t        } else if (isFlip && length > 1) {\n\t          args.reverse();\n\t        }\n\t        if (isAry && ary < length) {\n\t          args.length = ary;\n\t        }\n\t        if (this && this !== root && this instanceof wrapper) {\n\t          fn = Ctor || createCtor(fn);\n\t        }\n\t        return fn.apply(thisBinding, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.invertBy`.\n\t     *\n\t     * @private\n\t     * @param {Function} setter The function to set accumulator values.\n\t     * @param {Function} toIteratee The function to resolve iteratees.\n\t     * @returns {Function} Returns the new inverter function.\n\t     */\n\t    function createInverter(setter, toIteratee) {\n\t      return function(object, iteratee) {\n\t        return baseInverter(object, setter, toIteratee(iteratee), {});\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a mathematical operation on two values.\n\t     *\n\t     * @private\n\t     * @param {Function} operator The function to perform the operation.\n\t     * @param {number} [defaultValue] The value used for `undefined` arguments.\n\t     * @returns {Function} Returns the new mathematical operation function.\n\t     */\n\t    function createMathOperation(operator, defaultValue) {\n\t      return function(value, other) {\n\t        var result;\n\t        if (value === undefined && other === undefined) {\n\t          return defaultValue;\n\t        }\n\t        if (value !== undefined) {\n\t          result = value;\n\t        }\n\t        if (other !== undefined) {\n\t          if (result === undefined) {\n\t            return other;\n\t          }\n\t          if (typeof value == 'string' || typeof other == 'string') {\n\t            value = baseToString(value);\n\t            other = baseToString(other);\n\t          } else {\n\t            value = baseToNumber(value);\n\t            other = baseToNumber(other);\n\t          }\n\t          result = operator(value, other);\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.over`.\n\t     *\n\t     * @private\n\t     * @param {Function} arrayFunc The function to iterate over iteratees.\n\t     * @returns {Function} Returns the new over function.\n\t     */\n\t    function createOver(arrayFunc) {\n\t      return flatRest(function(iteratees) {\n\t        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n\t        return baseRest(function(args) {\n\t          var thisArg = this;\n\t          return arrayFunc(iteratees, function(iteratee) {\n\t            return apply(iteratee, thisArg, args);\n\t          });\n\t        });\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates the padding for `string` based on `length`. The `chars` string\n\t     * is truncated if the number of characters exceeds `length`.\n\t     *\n\t     * @private\n\t     * @param {number} length The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padding for `string`.\n\t     */\n\t    function createPadding(length, chars) {\n\t      chars = chars === undefined ? ' ' : baseToString(chars);\n\t\n\t      var charsLength = chars.length;\n\t      if (charsLength < 2) {\n\t        return charsLength ? baseRepeat(chars, length) : chars;\n\t      }\n\t      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n\t      return hasUnicode(chars)\n\t        ? castSlice(stringToArray(result), 0, length).join('')\n\t        : result.slice(0, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with the `this` binding\n\t     * of `thisArg` and `partials` prepended to the arguments it receives.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} thisArg The `this` binding of `func`.\n\t     * @param {Array} partials The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createPartial(func, bitmask, thisArg, partials) {\n\t      var isBind = bitmask & WRAP_BIND_FLAG,\n\t          Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var argsIndex = -1,\n\t            argsLength = arguments.length,\n\t            leftIndex = -1,\n\t            leftLength = partials.length,\n\t            args = Array(leftLength + argsLength),\n\t            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t\n\t        while (++leftIndex < leftLength) {\n\t          args[leftIndex] = partials[leftIndex];\n\t        }\n\t        while (argsLength--) {\n\t          args[leftIndex++] = arguments[++argsIndex];\n\t        }\n\t        return apply(fn, isBind ? thisArg : this, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.range` or `_.rangeRight` function.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new range function.\n\t     */\n\t    function createRange(fromRight) {\n\t      return function(start, end, step) {\n\t        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n\t          end = step = undefined;\n\t        }\n\t        // Ensure the sign of `-0` is preserved.\n\t        start = toFinite(start);\n\t        if (end === undefined) {\n\t          end = start;\n\t          start = 0;\n\t        } else {\n\t          end = toFinite(end);\n\t        }\n\t        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n\t        return baseRange(start, end, step, fromRight);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a relational operation on two values.\n\t     *\n\t     * @private\n\t     * @param {Function} operator The function to perform the operation.\n\t     * @returns {Function} Returns the new relational operation function.\n\t     */\n\t    function createRelationalOperation(operator) {\n\t      return function(value, other) {\n\t        if (!(typeof value == 'string' && typeof other == 'string')) {\n\t          value = toNumber(value);\n\t          other = toNumber(other);\n\t        }\n\t        return operator(value, other);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to continue currying.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {Function} wrapFunc The function to create the `func` wrapper.\n\t     * @param {*} placeholder The placeholder value.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n\t      var isCurry = bitmask & WRAP_CURRY_FLAG,\n\t          newHolders = isCurry ? holders : undefined,\n\t          newHoldersRight = isCurry ? undefined : holders,\n\t          newPartials = isCurry ? partials : undefined,\n\t          newPartialsRight = isCurry ? undefined : partials;\n\t\n\t      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n\t      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\t\n\t      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n\t        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n\t      }\n\t      var newData = [\n\t        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n\t        newHoldersRight, argPos, ary, arity\n\t      ];\n\t\n\t      var result = wrapFunc.apply(undefined, newData);\n\t      if (isLaziable(func)) {\n\t        setData(result, newData);\n\t      }\n\t      result.placeholder = placeholder;\n\t      return setWrapToString(result, func, bitmask);\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.round`.\n\t     *\n\t     * @private\n\t     * @param {string} methodName The name of the `Math` method to use when rounding.\n\t     * @returns {Function} Returns the new round function.\n\t     */\n\t    function createRound(methodName) {\n\t      var func = Math[methodName];\n\t      return function(number, precision) {\n\t        number = toNumber(number);\n\t        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n\t        if (precision) {\n\t          // Shift with exponential notation to avoid floating-point issues.\n\t          // See [MDN](https://mdn.io/round#Examples) for more details.\n\t          var pair = (toString(number) + 'e').split('e'),\n\t              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\t\n\t          pair = (toString(value) + 'e').split('e');\n\t          return +(pair[0] + 'e' + (+pair[1] - precision));\n\t        }\n\t        return func(number);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a set object of `values`.\n\t     *\n\t     * @private\n\t     * @param {Array} values The values to add to the set.\n\t     * @returns {Object} Returns the new set.\n\t     */\n\t    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n\t      return new Set(values);\n\t    };\n\t\n\t    /**\n\t     * Creates a `_.toPairs` or `_.toPairsIn` function.\n\t     *\n\t     * @private\n\t     * @param {Function} keysFunc The function to get the keys of a given object.\n\t     * @returns {Function} Returns the new pairs function.\n\t     */\n\t    function createToPairs(keysFunc) {\n\t      return function(object) {\n\t        var tag = getTag(object);\n\t        if (tag == mapTag) {\n\t          return mapToArray(object);\n\t        }\n\t        if (tag == setTag) {\n\t          return setToPairs(object);\n\t        }\n\t        return baseToPairs(object, keysFunc(object));\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that either curries or invokes `func` with optional\n\t     * `this` binding and partially applied arguments.\n\t     *\n\t     * @private\n\t     * @param {Function|string} func The function or method name to wrap.\n\t     * @param {number} bitmask The bitmask flags.\n\t     *    1 - `_.bind`\n\t     *    2 - `_.bindKey`\n\t     *    4 - `_.curry` or `_.curryRight` of a bound function\n\t     *    8 - `_.curry`\n\t     *   16 - `_.curryRight`\n\t     *   32 - `_.partial`\n\t     *   64 - `_.partialRight`\n\t     *  128 - `_.rearg`\n\t     *  256 - `_.ary`\n\t     *  512 - `_.flip`\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to be partially applied.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n\t      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n\t      if (!isBindKey && typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      var length = partials ? partials.length : 0;\n\t      if (!length) {\n\t        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n\t        partials = holders = undefined;\n\t      }\n\t      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n\t      arity = arity === undefined ? arity : toInteger(arity);\n\t      length -= holders ? holders.length : 0;\n\t\n\t      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n\t        var partialsRight = partials,\n\t            holdersRight = holders;\n\t\n\t        partials = holders = undefined;\n\t      }\n\t      var data = isBindKey ? undefined : getData(func);\n\t\n\t      var newData = [\n\t        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n\t        argPos, ary, arity\n\t      ];\n\t\n\t      if (data) {\n\t        mergeData(newData, data);\n\t      }\n\t      func = newData[0];\n\t      bitmask = newData[1];\n\t      thisArg = newData[2];\n\t      partials = newData[3];\n\t      holders = newData[4];\n\t      arity = newData[9] = newData[9] === undefined\n\t        ? (isBindKey ? 0 : func.length)\n\t        : nativeMax(newData[9] - length, 0);\n\t\n\t      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n\t        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n\t      }\n\t      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n\t        var result = createBind(func, bitmask, thisArg);\n\t      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n\t        result = createCurry(func, bitmask, arity);\n\t      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n\t        result = createPartial(func, bitmask, thisArg, partials);\n\t      } else {\n\t        result = createHybrid.apply(undefined, newData);\n\t      }\n\t      var setter = data ? baseSetData : setData;\n\t      return setWrapToString(setter(result, newData), func, bitmask);\n\t    }\n\t\n\t    /**\n\t     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n\t     * of source objects to the destination object for all destination properties\n\t     * that resolve to `undefined`.\n\t     *\n\t     * @private\n\t     * @param {*} objValue The destination value.\n\t     * @param {*} srcValue The source value.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {Object} object The parent object of `objValue`.\n\t     * @returns {*} Returns the value to assign.\n\t     */\n\t    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n\t      if (objValue === undefined ||\n\t          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n\t        return srcValue;\n\t      }\n\t      return objValue;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n\t     * objects into destination objects that are passed thru.\n\t     *\n\t     * @private\n\t     * @param {*} objValue The destination value.\n\t     * @param {*} srcValue The source value.\n\t     * @param {string} key The key of the property to merge.\n\t     * @param {Object} object The parent object of `objValue`.\n\t     * @param {Object} source The parent object of `srcValue`.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     * @returns {*} Returns the value to assign.\n\t     */\n\t    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n\t      if (isObject(objValue) && isObject(srcValue)) {\n\t        // Recursively merge objects and arrays (susceptible to call stack limits).\n\t        stack.set(srcValue, objValue);\n\t        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n\t        stack['delete'](srcValue);\n\t      }\n\t      return objValue;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n\t     * objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @param {string} key The key of the property to inspect.\n\t     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n\t     */\n\t    function customOmitClone(value) {\n\t      return isPlainObject(value) ? undefined : value;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for arrays with support for\n\t     * partial deep comparisons.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to compare.\n\t     * @param {Array} other The other array to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `array` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n\t     */\n\t    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n\t      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n\t          arrLength = array.length,\n\t          othLength = other.length;\n\t\n\t      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n\t        return false;\n\t      }\n\t      // Assume cyclic values are equal.\n\t      var stacked = stack.get(array);\n\t      if (stacked && stack.get(other)) {\n\t        return stacked == other;\n\t      }\n\t      var index = -1,\n\t          result = true,\n\t          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\t\n\t      stack.set(array, other);\n\t      stack.set(other, array);\n\t\n\t      // Ignore non-index properties.\n\t      while (++index < arrLength) {\n\t        var arrValue = array[index],\n\t            othValue = other[index];\n\t\n\t        if (customizer) {\n\t          var compared = isPartial\n\t            ? customizer(othValue, arrValue, index, other, array, stack)\n\t            : customizer(arrValue, othValue, index, array, other, stack);\n\t        }\n\t        if (compared !== undefined) {\n\t          if (compared) {\n\t            continue;\n\t          }\n\t          result = false;\n\t          break;\n\t        }\n\t        // Recursively compare arrays (susceptible to call stack limits).\n\t        if (seen) {\n\t          if (!arraySome(other, function(othValue, othIndex) {\n\t                if (!cacheHas(seen, othIndex) &&\n\t                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n\t                  return seen.push(othIndex);\n\t                }\n\t              })) {\n\t            result = false;\n\t            break;\n\t          }\n\t        } else if (!(\n\t              arrValue === othValue ||\n\t                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n\t            )) {\n\t          result = false;\n\t          break;\n\t        }\n\t      }\n\t      stack['delete'](array);\n\t      stack['delete'](other);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for comparing objects of\n\t     * the same `toStringTag`.\n\t     *\n\t     * **Note:** This function only supports comparing values with tags of\n\t     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {string} tag The `toStringTag` of the objects to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n\t      switch (tag) {\n\t        case dataViewTag:\n\t          if ((object.byteLength != other.byteLength) ||\n\t              (object.byteOffset != other.byteOffset)) {\n\t            return false;\n\t          }\n\t          object = object.buffer;\n\t          other = other.buffer;\n\t\n\t        case arrayBufferTag:\n\t          if ((object.byteLength != other.byteLength) ||\n\t              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n\t            return false;\n\t          }\n\t          return true;\n\t\n\t        case boolTag:\n\t        case dateTag:\n\t        case numberTag:\n\t          // Coerce booleans to `1` or `0` and dates to milliseconds.\n\t          // Invalid dates are coerced to `NaN`.\n\t          return eq(+object, +other);\n\t\n\t        case errorTag:\n\t          return object.name == other.name && object.message == other.message;\n\t\n\t        case regexpTag:\n\t        case stringTag:\n\t          // Coerce regexes to strings and treat strings, primitives and objects,\n\t          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n\t          // for more details.\n\t          return object == (other + '');\n\t\n\t        case mapTag:\n\t          var convert = mapToArray;\n\t\n\t        case setTag:\n\t          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n\t          convert || (convert = setToArray);\n\t\n\t          if (object.size != other.size && !isPartial) {\n\t            return false;\n\t          }\n\t          // Assume cyclic values are equal.\n\t          var stacked = stack.get(object);\n\t          if (stacked) {\n\t            return stacked == other;\n\t          }\n\t          bitmask |= COMPARE_UNORDERED_FLAG;\n\t\n\t          // Recursively compare objects (susceptible to call stack limits).\n\t          stack.set(object, other);\n\t          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n\t          stack['delete'](object);\n\t          return result;\n\t\n\t        case symbolTag:\n\t          if (symbolValueOf) {\n\t            return symbolValueOf.call(object) == symbolValueOf.call(other);\n\t          }\n\t      }\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for objects with support for\n\t     * partial deep comparisons.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n\t      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n\t          objProps = getAllKeys(object),\n\t          objLength = objProps.length,\n\t          othProps = getAllKeys(other),\n\t          othLength = othProps.length;\n\t\n\t      if (objLength != othLength && !isPartial) {\n\t        return false;\n\t      }\n\t      var index = objLength;\n\t      while (index--) {\n\t        var key = objProps[index];\n\t        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n\t          return false;\n\t        }\n\t      }\n\t      // Assume cyclic values are equal.\n\t      var stacked = stack.get(object);\n\t      if (stacked && stack.get(other)) {\n\t        return stacked == other;\n\t      }\n\t      var result = true;\n\t      stack.set(object, other);\n\t      stack.set(other, object);\n\t\n\t      var skipCtor = isPartial;\n\t      while (++index < objLength) {\n\t        key = objProps[index];\n\t        var objValue = object[key],\n\t            othValue = other[key];\n\t\n\t        if (customizer) {\n\t          var compared = isPartial\n\t            ? customizer(othValue, objValue, key, other, object, stack)\n\t            : customizer(objValue, othValue, key, object, other, stack);\n\t        }\n\t        // Recursively compare objects (susceptible to call stack limits).\n\t        if (!(compared === undefined\n\t              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n\t              : compared\n\t            )) {\n\t          result = false;\n\t          break;\n\t        }\n\t        skipCtor || (skipCtor = key == 'constructor');\n\t      }\n\t      if (result && !skipCtor) {\n\t        var objCtor = object.constructor,\n\t            othCtor = other.constructor;\n\t\n\t        // Non `Object` object instances with different constructors are not equal.\n\t        if (objCtor != othCtor &&\n\t            ('constructor' in object && 'constructor' in other) &&\n\t            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n\t              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n\t          result = false;\n\t        }\n\t      }\n\t      stack['delete'](object);\n\t      stack['delete'](other);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseRest` which flattens the rest array.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function flatRest(func) {\n\t      return setToString(overRest(func, undefined, flatten), func + '');\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own enumerable property names and symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function getAllKeys(object) {\n\t      return baseGetAllKeys(object, keys, getSymbols);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own and inherited enumerable property names and\n\t     * symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function getAllKeysIn(object) {\n\t      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n\t    }\n\t\n\t    /**\n\t     * Gets metadata for `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to query.\n\t     * @returns {*} Returns the metadata for `func`.\n\t     */\n\t    var getData = !metaMap ? noop : function(func) {\n\t      return metaMap.get(func);\n\t    };\n\t\n\t    /**\n\t     * Gets the name of `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to query.\n\t     * @returns {string} Returns the function name.\n\t     */\n\t    function getFuncName(func) {\n\t      var result = (func.name + ''),\n\t          array = realNames[result],\n\t          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\t\n\t      while (length--) {\n\t        var data = array[length],\n\t            otherFunc = data.func;\n\t        if (otherFunc == null || otherFunc == func) {\n\t          return data.name;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the argument placeholder value for `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to inspect.\n\t     * @returns {*} Returns the placeholder value.\n\t     */\n\t    function getHolder(func) {\n\t      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n\t      return object.placeholder;\n\t    }\n\t\n\t    /**\n\t     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n\t     * this function returns the custom method, otherwise it returns `baseIteratee`.\n\t     * If arguments are provided, the chosen function is invoked with them and\n\t     * its result is returned.\n\t     *\n\t     * @private\n\t     * @param {*} [value] The value to convert to an iteratee.\n\t     * @param {number} [arity] The arity of the created iteratee.\n\t     * @returns {Function} Returns the chosen function or its result.\n\t     */\n\t    function getIteratee() {\n\t      var result = lodash.iteratee || iteratee;\n\t      result = result === iteratee ? baseIteratee : result;\n\t      return arguments.length ? result(arguments[0], arguments[1]) : result;\n\t    }\n\t\n\t    /**\n\t     * Gets the data for `map`.\n\t     *\n\t     * @private\n\t     * @param {Object} map The map to query.\n\t     * @param {string} key The reference key.\n\t     * @returns {*} Returns the map data.\n\t     */\n\t    function getMapData(map, key) {\n\t      var data = map.__data__;\n\t      return isKeyable(key)\n\t        ? data[typeof key == 'string' ? 'string' : 'hash']\n\t        : data.map;\n\t    }\n\t\n\t    /**\n\t     * Gets the property names, values, and compare flags of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the match data of `object`.\n\t     */\n\t    function getMatchData(object) {\n\t      var result = keys(object),\n\t          length = result.length;\n\t\n\t      while (length--) {\n\t        var key = result[length],\n\t            value = object[key];\n\t\n\t        result[length] = [key, value, isStrictComparable(value)];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the native function at `key` of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {string} key The key of the method to get.\n\t     * @returns {*} Returns the function if it's native, else `undefined`.\n\t     */\n\t    function getNative(object, key) {\n\t      var value = getValue(object, key);\n\t      return baseIsNative(value) ? value : undefined;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the raw `toStringTag`.\n\t     */\n\t    function getRawTag(value) {\n\t      var isOwn = hasOwnProperty.call(value, symToStringTag),\n\t          tag = value[symToStringTag];\n\t\n\t      try {\n\t        value[symToStringTag] = undefined;\n\t        var unmasked = true;\n\t      } catch (e) {}\n\t\n\t      var result = nativeObjectToString.call(value);\n\t      if (unmasked) {\n\t        if (isOwn) {\n\t          value[symToStringTag] = tag;\n\t        } else {\n\t          delete value[symToStringTag];\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own enumerable symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of symbols.\n\t     */\n\t    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n\t      if (object == null) {\n\t        return [];\n\t      }\n\t      object = Object(object);\n\t      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n\t        return propertyIsEnumerable.call(object, symbol);\n\t      });\n\t    };\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of symbols.\n\t     */\n\t    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n\t      var result = [];\n\t      while (object) {\n\t        arrayPush(result, getSymbols(object));\n\t        object = getPrototype(object);\n\t      }\n\t      return result;\n\t    };\n\t\n\t    /**\n\t     * Gets the `toStringTag` of `value`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the `toStringTag`.\n\t     */\n\t    var getTag = baseGetTag;\n\t\n\t    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n\t    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n\t        (Map && getTag(new Map) != mapTag) ||\n\t        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n\t        (Set && getTag(new Set) != setTag) ||\n\t        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n\t      getTag = function(value) {\n\t        var result = baseGetTag(value),\n\t            Ctor = result == objectTag ? value.constructor : undefined,\n\t            ctorString = Ctor ? toSource(Ctor) : '';\n\t\n\t        if (ctorString) {\n\t          switch (ctorString) {\n\t            case dataViewCtorString: return dataViewTag;\n\t            case mapCtorString: return mapTag;\n\t            case promiseCtorString: return promiseTag;\n\t            case setCtorString: return setTag;\n\t            case weakMapCtorString: return weakMapTag;\n\t          }\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n\t     *\n\t     * @private\n\t     * @param {number} start The start of the view.\n\t     * @param {number} end The end of the view.\n\t     * @param {Array} transforms The transformations to apply to the view.\n\t     * @returns {Object} Returns an object containing the `start` and `end`\n\t     *  positions of the view.\n\t     */\n\t    function getView(start, end, transforms) {\n\t      var index = -1,\n\t          length = transforms.length;\n\t\n\t      while (++index < length) {\n\t        var data = transforms[index],\n\t            size = data.size;\n\t\n\t        switch (data.type) {\n\t          case 'drop':      start += size; break;\n\t          case 'dropRight': end -= size; break;\n\t          case 'take':      end = nativeMin(end, start + size); break;\n\t          case 'takeRight': start = nativeMax(start, end - size); break;\n\t        }\n\t      }\n\t      return { 'start': start, 'end': end };\n\t    }\n\t\n\t    /**\n\t     * Extracts wrapper details from the `source` body comment.\n\t     *\n\t     * @private\n\t     * @param {string} source The source to inspect.\n\t     * @returns {Array} Returns the wrapper details.\n\t     */\n\t    function getWrapDetails(source) {\n\t      var match = source.match(reWrapDetails);\n\t      return match ? match[1].split(reSplitDetails) : [];\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` exists on `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @param {Function} hasFunc The function to check properties.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     */\n\t    function hasPath(object, path, hasFunc) {\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length,\n\t          result = false;\n\t\n\t      while (++index < length) {\n\t        var key = toKey(path[index]);\n\t        if (!(result = object != null && hasFunc(object, key))) {\n\t          break;\n\t        }\n\t        object = object[key];\n\t      }\n\t      if (result || ++index != length) {\n\t        return result;\n\t      }\n\t      length = object == null ? 0 : object.length;\n\t      return !!length && isLength(length) && isIndex(key, length) &&\n\t        (isArray(object) || isArguments(object));\n\t    }\n\t\n\t    /**\n\t     * Initializes an array clone.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to clone.\n\t     * @returns {Array} Returns the initialized clone.\n\t     */\n\t    function initCloneArray(array) {\n\t      var length = array.length,\n\t          result = array.constructor(length);\n\t\n\t      // Add properties assigned by `RegExp#exec`.\n\t      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n\t        result.index = array.index;\n\t        result.input = array.input;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Initializes an object clone.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to clone.\n\t     * @returns {Object} Returns the initialized clone.\n\t     */\n\t    function initCloneObject(object) {\n\t      return (typeof object.constructor == 'function' && !isPrototype(object))\n\t        ? baseCreate(getPrototype(object))\n\t        : {};\n\t    }\n\t\n\t    /**\n\t     * Initializes an object clone based on its `toStringTag`.\n\t     *\n\t     * **Note:** This function only supports cloning values with tags of\n\t     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to clone.\n\t     * @param {string} tag The `toStringTag` of the object to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the initialized clone.\n\t     */\n\t    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n\t      var Ctor = object.constructor;\n\t      switch (tag) {\n\t        case arrayBufferTag:\n\t          return cloneArrayBuffer(object);\n\t\n\t        case boolTag:\n\t        case dateTag:\n\t          return new Ctor(+object);\n\t\n\t        case dataViewTag:\n\t          return cloneDataView(object, isDeep);\n\t\n\t        case float32Tag: case float64Tag:\n\t        case int8Tag: case int16Tag: case int32Tag:\n\t        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n\t          return cloneTypedArray(object, isDeep);\n\t\n\t        case mapTag:\n\t          return cloneMap(object, isDeep, cloneFunc);\n\t\n\t        case numberTag:\n\t        case stringTag:\n\t          return new Ctor(object);\n\t\n\t        case regexpTag:\n\t          return cloneRegExp(object);\n\t\n\t        case setTag:\n\t          return cloneSet(object, isDeep, cloneFunc);\n\t\n\t        case symbolTag:\n\t          return cloneSymbol(object);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Inserts wrapper `details` in a comment at the top of the `source` body.\n\t     *\n\t     * @private\n\t     * @param {string} source The source to modify.\n\t     * @returns {Array} details The details to insert.\n\t     * @returns {string} Returns the modified source.\n\t     */\n\t    function insertWrapDetails(source, details) {\n\t      var length = details.length;\n\t      if (!length) {\n\t        return source;\n\t      }\n\t      var lastIndex = length - 1;\n\t      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n\t      details = details.join(length > 2 ? ', ' : ' ');\n\t      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a flattenable `arguments` object or array.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n\t     */\n\t    function isFlattenable(value) {\n\t      return isArray(value) || isArguments(value) ||\n\t        !!(spreadableSymbol && value && value[spreadableSymbol]);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a valid array-like index.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n\t     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n\t     */\n\t    function isIndex(value, length) {\n\t      length = length == null ? MAX_SAFE_INTEGER : length;\n\t      return !!length &&\n\t        (typeof value == 'number' || reIsUint.test(value)) &&\n\t        (value > -1 && value % 1 == 0 && value < length);\n\t    }\n\t\n\t    /**\n\t     * Checks if the given arguments are from an iteratee call.\n\t     *\n\t     * @private\n\t     * @param {*} value The potential iteratee value argument.\n\t     * @param {*} index The potential iteratee index or key argument.\n\t     * @param {*} object The potential iteratee object argument.\n\t     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n\t     *  else `false`.\n\t     */\n\t    function isIterateeCall(value, index, object) {\n\t      if (!isObject(object)) {\n\t        return false;\n\t      }\n\t      var type = typeof index;\n\t      if (type == 'number'\n\t            ? (isArrayLike(object) && isIndex(index, object.length))\n\t            : (type == 'string' && index in object)\n\t          ) {\n\t        return eq(object[index], value);\n\t      }\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a property name and not a property path.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @param {Object} [object] The object to query keys on.\n\t     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n\t     */\n\t    function isKey(value, object) {\n\t      if (isArray(value)) {\n\t        return false;\n\t      }\n\t      var type = typeof value;\n\t      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n\t          value == null || isSymbol(value)) {\n\t        return true;\n\t      }\n\t      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n\t        (object != null && value in Object(object));\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is suitable for use as unique object key.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n\t     */\n\t    function isKeyable(value) {\n\t      var type = typeof value;\n\t      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n\t        ? (value !== '__proto__')\n\t        : (value === null);\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` has a lazy counterpart.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to check.\n\t     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n\t     *  else `false`.\n\t     */\n\t    function isLaziable(func) {\n\t      var funcName = getFuncName(func),\n\t          other = lodash[funcName];\n\t\n\t      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n\t        return false;\n\t      }\n\t      if (func === other) {\n\t        return true;\n\t      }\n\t      var data = getData(other);\n\t      return !!data && func === data[0];\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` has its source masked.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to check.\n\t     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n\t     */\n\t    function isMasked(func) {\n\t      return !!maskSrcKey && (maskSrcKey in func);\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` is capable of being masked.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n\t     */\n\t    var isMaskable = coreJsData ? isFunction : stubFalse;\n\t\n\t    /**\n\t     * Checks if `value` is likely a prototype object.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n\t     */\n\t    function isPrototype(value) {\n\t      var Ctor = value && value.constructor,\n\t          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\t\n\t      return value === proto;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` if suitable for strict\n\t     *  equality comparisons, else `false`.\n\t     */\n\t    function isStrictComparable(value) {\n\t      return value === value && !isObject(value);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `matchesProperty` for source values suitable\n\t     * for strict equality comparisons, i.e. `===`.\n\t     *\n\t     * @private\n\t     * @param {string} key The key of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function matchesStrictComparable(key, srcValue) {\n\t      return function(object) {\n\t        if (object == null) {\n\t          return false;\n\t        }\n\t        return object[key] === srcValue &&\n\t          (srcValue !== undefined || (key in Object(object)));\n\t      };\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.memoize` which clears the memoized function's\n\t     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to have its output memoized.\n\t     * @returns {Function} Returns the new memoized function.\n\t     */\n\t    function memoizeCapped(func) {\n\t      var result = memoize(func, function(key) {\n\t        if (cache.size === MAX_MEMOIZE_SIZE) {\n\t          cache.clear();\n\t        }\n\t        return key;\n\t      });\n\t\n\t      var cache = result.cache;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Merges the function metadata of `source` into `data`.\n\t     *\n\t     * Merging metadata reduces the number of wrappers used to invoke a function.\n\t     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n\t     * may be applied regardless of execution order. Methods like `_.ary` and\n\t     * `_.rearg` modify function arguments, making the order in which they are\n\t     * executed important, preventing the merging of metadata. However, we make\n\t     * an exception for a safe combined case where curried functions have `_.ary`\n\t     * and or `_.rearg` applied.\n\t     *\n\t     * @private\n\t     * @param {Array} data The destination metadata.\n\t     * @param {Array} source The source metadata.\n\t     * @returns {Array} Returns `data`.\n\t     */\n\t    function mergeData(data, source) {\n\t      var bitmask = data[1],\n\t          srcBitmask = source[1],\n\t          newBitmask = bitmask | srcBitmask,\n\t          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\t\n\t      var isCombo =\n\t        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n\t        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n\t        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\t\n\t      // Exit early if metadata can't be merged.\n\t      if (!(isCommon || isCombo)) {\n\t        return data;\n\t      }\n\t      // Use source `thisArg` if available.\n\t      if (srcBitmask & WRAP_BIND_FLAG) {\n\t        data[2] = source[2];\n\t        // Set when currying a bound function.\n\t        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n\t      }\n\t      // Compose partial arguments.\n\t      var value = source[3];\n\t      if (value) {\n\t        var partials = data[3];\n\t        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n\t        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n\t      }\n\t      // Compose partial right arguments.\n\t      value = source[5];\n\t      if (value) {\n\t        partials = data[5];\n\t        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n\t        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n\t      }\n\t      // Use source `argPos` if available.\n\t      value = source[7];\n\t      if (value) {\n\t        data[7] = value;\n\t      }\n\t      // Use source `ary` if it's smaller.\n\t      if (srcBitmask & WRAP_ARY_FLAG) {\n\t        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n\t      }\n\t      // Use source `arity` if one is not provided.\n\t      if (data[9] == null) {\n\t        data[9] = source[9];\n\t      }\n\t      // Use source `func` and merge bitmasks.\n\t      data[0] = source[0];\n\t      data[1] = newBitmask;\n\t\n\t      return data;\n\t    }\n\t\n\t    /**\n\t     * This function is like\n\t     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n\t     * except that it includes inherited enumerable properties.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function nativeKeysIn(object) {\n\t      var result = [];\n\t      if (object != null) {\n\t        for (var key in Object(object)) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a string using `Object.prototype.toString`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to convert.\n\t     * @returns {string} Returns the converted string.\n\t     */\n\t    function objectToString(value) {\n\t      return nativeObjectToString.call(value);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseRest` which transforms the rest array.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @param {Function} transform The rest array transform.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function overRest(func, start, transform) {\n\t      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n\t      return function() {\n\t        var args = arguments,\n\t            index = -1,\n\t            length = nativeMax(args.length - start, 0),\n\t            array = Array(length);\n\t\n\t        while (++index < length) {\n\t          array[index] = args[start + index];\n\t        }\n\t        index = -1;\n\t        var otherArgs = Array(start + 1);\n\t        while (++index < start) {\n\t          otherArgs[index] = args[index];\n\t        }\n\t        otherArgs[start] = transform(array);\n\t        return apply(func, this, otherArgs);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Gets the parent value at `path` of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array} path The path to get the parent value of.\n\t     * @returns {*} Returns the parent value.\n\t     */\n\t    function parent(object, path) {\n\t      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n\t    }\n\t\n\t    /**\n\t     * Reorder `array` according to the specified indexes where the element at\n\t     * the first index is assigned as the first element, the element at\n\t     * the second index is assigned as the second element, and so on.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to reorder.\n\t     * @param {Array} indexes The arranged array indexes.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function reorder(array, indexes) {\n\t      var arrLength = array.length,\n\t          length = nativeMin(indexes.length, arrLength),\n\t          oldArray = copyArray(array);\n\t\n\t      while (length--) {\n\t        var index = indexes[length];\n\t        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Sets metadata for `func`.\n\t     *\n\t     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n\t     * period of time, it will trip its breaker and transition to an identity\n\t     * function to avoid garbage collection pauses in V8. See\n\t     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n\t     * for more details.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to associate metadata with.\n\t     * @param {*} data The metadata.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var setData = shortOut(baseSetData);\n\t\n\t    /**\n\t     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @returns {number|Object} Returns the timer id or timeout object.\n\t     */\n\t    var setTimeout = ctxSetTimeout || function(func, wait) {\n\t      return root.setTimeout(func, wait);\n\t    };\n\t\n\t    /**\n\t     * Sets the `toString` method of `func` to return `string`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to modify.\n\t     * @param {Function} string The `toString` result.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var setToString = shortOut(baseSetToString);\n\t\n\t    /**\n\t     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n\t     * with wrapper details in a comment at the top of the source body.\n\t     *\n\t     * @private\n\t     * @param {Function} wrapper The function to modify.\n\t     * @param {Function} reference The reference function.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @returns {Function} Returns `wrapper`.\n\t     */\n\t    function setWrapToString(wrapper, reference, bitmask) {\n\t      var source = (reference + '');\n\t      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that'll short out and invoke `identity` instead\n\t     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n\t     * milliseconds.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new shortable function.\n\t     */\n\t    function shortOut(func) {\n\t      var count = 0,\n\t          lastCalled = 0;\n\t\n\t      return function() {\n\t        var stamp = nativeNow(),\n\t            remaining = HOT_SPAN - (stamp - lastCalled);\n\t\n\t        lastCalled = stamp;\n\t        if (remaining > 0) {\n\t          if (++count >= HOT_COUNT) {\n\t            return arguments[0];\n\t          }\n\t        } else {\n\t          count = 0;\n\t        }\n\t        return func.apply(undefined, arguments);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to shuffle.\n\t     * @param {number} [size=array.length] The size of `array`.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function shuffleSelf(array, size) {\n\t      var index = -1,\n\t          length = array.length,\n\t          lastIndex = length - 1;\n\t\n\t      size = size === undefined ? length : size;\n\t      while (++index < size) {\n\t        var rand = baseRandom(index, lastIndex),\n\t            value = array[rand];\n\t\n\t        array[rand] = array[index];\n\t        array[index] = value;\n\t      }\n\t      array.length = size;\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to a property path array.\n\t     *\n\t     * @private\n\t     * @param {string} string The string to convert.\n\t     * @returns {Array} Returns the property path array.\n\t     */\n\t    var stringToPath = memoizeCapped(function(string) {\n\t      var result = [];\n\t      if (reLeadingDot.test(string)) {\n\t        result.push('');\n\t      }\n\t      string.replace(rePropName, function(match, number, quote, string) {\n\t        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n\t      });\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Converts `value` to a string key if it's not a string or symbol.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {string|symbol} Returns the key.\n\t     */\n\t    function toKey(value) {\n\t      if (typeof value == 'string' || isSymbol(value)) {\n\t        return value;\n\t      }\n\t      var result = (value + '');\n\t      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t    }\n\t\n\t    /**\n\t     * Converts `func` to its source code.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to convert.\n\t     * @returns {string} Returns the source code.\n\t     */\n\t    function toSource(func) {\n\t      if (func != null) {\n\t        try {\n\t          return funcToString.call(func);\n\t        } catch (e) {}\n\t        try {\n\t          return (func + '');\n\t        } catch (e) {}\n\t      }\n\t      return '';\n\t    }\n\t\n\t    /**\n\t     * Updates wrapper `details` based on `bitmask` flags.\n\t     *\n\t     * @private\n\t     * @returns {Array} details The details to modify.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @returns {Array} Returns `details`.\n\t     */\n\t    function updateWrapDetails(details, bitmask) {\n\t      arrayEach(wrapFlags, function(pair) {\n\t        var value = '_.' + pair[0];\n\t        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n\t          details.push(value);\n\t        }\n\t      });\n\t      return details.sort();\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `wrapper`.\n\t     *\n\t     * @private\n\t     * @param {Object} wrapper The wrapper to clone.\n\t     * @returns {Object} Returns the cloned wrapper.\n\t     */\n\t    function wrapperClone(wrapper) {\n\t      if (wrapper instanceof LazyWrapper) {\n\t        return wrapper.clone();\n\t      }\n\t      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n\t      result.__actions__ = copyArray(wrapper.__actions__);\n\t      result.__index__  = wrapper.__index__;\n\t      result.__values__ = wrapper.__values__;\n\t      return result;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an array of elements split into groups the length of `size`.\n\t     * If `array` can't be split evenly, the final chunk will be the remaining\n\t     * elements.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to process.\n\t     * @param {number} [size=1] The length of each chunk\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the new array of chunks.\n\t     * @example\n\t     *\n\t     * _.chunk(['a', 'b', 'c', 'd'], 2);\n\t     * // => [['a', 'b'], ['c', 'd']]\n\t     *\n\t     * _.chunk(['a', 'b', 'c', 'd'], 3);\n\t     * // => [['a', 'b', 'c'], ['d']]\n\t     */\n\t    function chunk(array, size, guard) {\n\t      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n\t        size = 1;\n\t      } else {\n\t        size = nativeMax(toInteger(size), 0);\n\t      }\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length || size < 1) {\n\t        return [];\n\t      }\n\t      var index = 0,\n\t          resIndex = 0,\n\t          result = Array(nativeCeil(length / size));\n\t\n\t      while (index < length) {\n\t        result[resIndex++] = baseSlice(array, index, (index += size));\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an array with all falsey values removed. The values `false`, `null`,\n\t     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to compact.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.compact([0, 1, false, 2, '', 3]);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function compact(array) {\n\t      var index = -1,\n\t          length = array == null ? 0 : array.length,\n\t          resIndex = 0,\n\t          result = [];\n\t\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (value) {\n\t          result[resIndex++] = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a new array concatenating `array` with any additional arrays\n\t     * and/or values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to concatenate.\n\t     * @param {...*} [values] The values to concatenate.\n\t     * @returns {Array} Returns the new concatenated array.\n\t     * @example\n\t     *\n\t     * var array = [1];\n\t     * var other = _.concat(array, 2, [3], [[4]]);\n\t     *\n\t     * console.log(other);\n\t     * // => [1, 2, 3, [4]]\n\t     *\n\t     * console.log(array);\n\t     * // => [1]\n\t     */\n\t    function concat() {\n\t      var length = arguments.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      var args = Array(length - 1),\n\t          array = arguments[0],\n\t          index = length;\n\t\n\t      while (index--) {\n\t        args[index - 1] = arguments[index];\n\t      }\n\t      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of `array` values not included in the other given arrays\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. The order and references of result values are\n\t     * determined by the first array.\n\t     *\n\t     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.without, _.xor\n\t     * @example\n\t     *\n\t     * _.difference([2, 1], [2, 3]);\n\t     * // => [1]\n\t     */\n\t    var difference = baseRest(function(array, values) {\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.difference` except that it accepts `iteratee` which\n\t     * is invoked for each element of `array` and `values` to generate the criterion\n\t     * by which they're compared. The order and references of result values are\n\t     * determined by the first array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    var differenceBy = baseRest(function(array, values) {\n\t      var iteratee = last(values);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.difference` except that it accepts `comparator`\n\t     * which is invoked to compare elements of `array` to `values`. The order and\n\t     * references of result values are determined by the first array. The comparator\n\t     * is invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     *\n\t     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n\t     * // => [{ 'x': 2, 'y': 1 }]\n\t     */\n\t    var differenceWith = baseRest(function(array, values) {\n\t      var comparator = last(values);\n\t      if (isArrayLikeObject(comparator)) {\n\t        comparator = undefined;\n\t      }\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements dropped from the beginning.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to drop.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.drop([1, 2, 3]);\n\t     * // => [2, 3]\n\t     *\n\t     * _.drop([1, 2, 3], 2);\n\t     * // => [3]\n\t     *\n\t     * _.drop([1, 2, 3], 5);\n\t     * // => []\n\t     *\n\t     * _.drop([1, 2, 3], 0);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function drop(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      return baseSlice(array, n < 0 ? 0 : n, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements dropped from the end.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to drop.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.dropRight([1, 2, 3]);\n\t     * // => [1, 2]\n\t     *\n\t     * _.dropRight([1, 2, 3], 2);\n\t     * // => [1]\n\t     *\n\t     * _.dropRight([1, 2, 3], 5);\n\t     * // => []\n\t     *\n\t     * _.dropRight([1, 2, 3], 0);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function dropRight(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      n = length - n;\n\t      return baseSlice(array, 0, n < 0 ? 0 : n);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` excluding elements dropped from the end.\n\t     * Elements are dropped until `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.dropRightWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.dropRightWhile(users, ['active', false]);\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.dropRightWhile(users, 'active');\n\t     * // => objects for ['barney', 'fred', 'pebbles']\n\t     */\n\t    function dropRightWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` excluding elements dropped from the beginning.\n\t     * Elements are dropped until `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.dropWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.dropWhile(users, ['active', false]);\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.dropWhile(users, 'active');\n\t     * // => objects for ['barney', 'fred', 'pebbles']\n\t     */\n\t    function dropWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Fills elements of `array` with `value` from `start` up to, but not\n\t     * including, `end`.\n\t     *\n\t     * **Note:** This method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Array\n\t     * @param {Array} array The array to fill.\n\t     * @param {*} value The value to fill `array` with.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _.fill(array, 'a');\n\t     * console.log(array);\n\t     * // => ['a', 'a', 'a']\n\t     *\n\t     * _.fill(Array(3), 2);\n\t     * // => [2, 2, 2]\n\t     *\n\t     * _.fill([4, 6, 8, 10], '*', 1, 3);\n\t     * // => [4, '*', '*', 10]\n\t     */\n\t    function fill(array, value, start, end) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n\t        start = 0;\n\t        end = length;\n\t      }\n\t      return baseFill(array, value, start, end);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.find` except that it returns the index of the first\n\t     * element `predicate` returns truthy for instead of the element itself.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {number} Returns the index of the found element, else `-1`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n\t     * // => 0\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findIndex(users, { 'user': 'fred', 'active': false });\n\t     * // => 1\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findIndex(users, ['active', false]);\n\t     * // => 0\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findIndex(users, 'active');\n\t     * // => 2\n\t     */\n\t    function findIndex(array, predicate, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\t      if (index < 0) {\n\t        index = nativeMax(length + index, 0);\n\t      }\n\t      return baseFindIndex(array, getIteratee(predicate, 3), index);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.findIndex` except that it iterates over elements\n\t     * of `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=array.length-1] The index to search from.\n\t     * @returns {number} Returns the index of the found element, else `-1`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n\t     * // => 2\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n\t     * // => 0\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findLastIndex(users, ['active', false]);\n\t     * // => 2\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findLastIndex(users, 'active');\n\t     * // => 0\n\t     */\n\t    function findLastIndex(array, predicate, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = length - 1;\n\t      if (fromIndex !== undefined) {\n\t        index = toInteger(fromIndex);\n\t        index = fromIndex < 0\n\t          ? nativeMax(length + index, 0)\n\t          : nativeMin(index, length - 1);\n\t      }\n\t      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n\t    }\n\t\n\t    /**\n\t     * Flattens `array` a single level deep.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * _.flatten([1, [2, [3, [4]], 5]]);\n\t     * // => [1, 2, [3, [4]], 5]\n\t     */\n\t    function flatten(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseFlatten(array, 1) : [];\n\t    }\n\t\n\t    /**\n\t     * Recursively flattens `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n\t     * // => [1, 2, 3, 4, 5]\n\t     */\n\t    function flattenDeep(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseFlatten(array, INFINITY) : [];\n\t    }\n\t\n\t    /**\n\t     * Recursively flatten `array` up to `depth` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.4.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @param {number} [depth=1] The maximum recursion depth.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * var array = [1, [2, [3, [4]], 5]];\n\t     *\n\t     * _.flattenDepth(array, 1);\n\t     * // => [1, 2, [3, [4]], 5]\n\t     *\n\t     * _.flattenDepth(array, 2);\n\t     * // => [1, 2, 3, [4], 5]\n\t     */\n\t    function flattenDepth(array, depth) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      depth = depth === undefined ? 1 : toInteger(depth);\n\t      return baseFlatten(array, depth);\n\t    }\n\t\n\t    /**\n\t     * The inverse of `_.toPairs`; this method returns an object composed\n\t     * from key-value `pairs`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} pairs The key-value pairs.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.fromPairs([['a', 1], ['b', 2]]);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    function fromPairs(pairs) {\n\t      var index = -1,\n\t          length = pairs == null ? 0 : pairs.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var pair = pairs[index];\n\t        result[pair[0]] = pair[1];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the first element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias first\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {*} Returns the first element of `array`.\n\t     * @example\n\t     *\n\t     * _.head([1, 2, 3]);\n\t     * // => 1\n\t     *\n\t     * _.head([]);\n\t     * // => undefined\n\t     */\n\t    function head(array) {\n\t      return (array && array.length) ? array[0] : undefined;\n\t    }\n\t\n\t    /**\n\t     * Gets the index at which the first occurrence of `value` is found in `array`\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. If `fromIndex` is negative, it's used as the\n\t     * offset from the end of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.indexOf([1, 2, 1, 2], 2);\n\t     * // => 1\n\t     *\n\t     * // Search from the `fromIndex`.\n\t     * _.indexOf([1, 2, 1, 2], 2, 2);\n\t     * // => 3\n\t     */\n\t    function indexOf(array, value, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\t      if (index < 0) {\n\t        index = nativeMax(length + index, 0);\n\t      }\n\t      return baseIndexOf(array, value, index);\n\t    }\n\t\n\t    /**\n\t     * Gets all but the last element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.initial([1, 2, 3]);\n\t     * // => [1, 2]\n\t     */\n\t    function initial(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseSlice(array, 0, -1) : [];\n\t    }\n\t\n\t    /**\n\t     * Creates an array of unique values that are included in all given arrays\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. The order and references of result values are\n\t     * determined by the first array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * _.intersection([2, 1], [2, 3]);\n\t     * // => [2]\n\t     */\n\t    var intersection = baseRest(function(arrays) {\n\t      var mapped = arrayMap(arrays, castArrayLikeObject);\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.intersection` except that it accepts `iteratee`\n\t     * which is invoked for each element of each `arrays` to generate the criterion\n\t     * by which they're compared. The order and references of result values are\n\t     * determined by the first array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [2.1]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }]\n\t     */\n\t    var intersectionBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays),\n\t          mapped = arrayMap(arrays, castArrayLikeObject);\n\t\n\t      if (iteratee === last(mapped)) {\n\t        iteratee = undefined;\n\t      } else {\n\t        mapped.pop();\n\t      }\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.intersection` except that it accepts `comparator`\n\t     * which is invoked to compare elements of `arrays`. The order and references\n\t     * of result values are determined by the first array. The comparator is\n\t     * invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.intersectionWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }]\n\t     */\n\t    var intersectionWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays),\n\t          mapped = arrayMap(arrays, castArrayLikeObject);\n\t\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      if (comparator) {\n\t        mapped.pop();\n\t      }\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped, undefined, comparator)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Converts all elements in `array` into a string separated by `separator`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to convert.\n\t     * @param {string} [separator=','] The element separator.\n\t     * @returns {string} Returns the joined string.\n\t     * @example\n\t     *\n\t     * _.join(['a', 'b', 'c'], '~');\n\t     * // => 'a~b~c'\n\t     */\n\t    function join(array, separator) {\n\t      return array == null ? '' : nativeJoin.call(array, separator);\n\t    }\n\t\n\t    /**\n\t     * Gets the last element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {*} Returns the last element of `array`.\n\t     * @example\n\t     *\n\t     * _.last([1, 2, 3]);\n\t     * // => 3\n\t     */\n\t    function last(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? array[length - 1] : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.indexOf` except that it iterates over elements of\n\t     * `array` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=array.length-1] The index to search from.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.lastIndexOf([1, 2, 1, 2], 2);\n\t     * // => 3\n\t     *\n\t     * // Search from the `fromIndex`.\n\t     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n\t     * // => 1\n\t     */\n\t    function lastIndexOf(array, value, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = length;\n\t      if (fromIndex !== undefined) {\n\t        index = toInteger(fromIndex);\n\t        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n\t      }\n\t      return value === value\n\t        ? strictLastIndexOf(array, value, index)\n\t        : baseFindIndex(array, baseIsNaN, index, true);\n\t    }\n\t\n\t    /**\n\t     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n\t     * element from the end is returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.11.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=0] The index of the element to return.\n\t     * @returns {*} Returns the nth element of `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'd'];\n\t     *\n\t     * _.nth(array, 1);\n\t     * // => 'b'\n\t     *\n\t     * _.nth(array, -2);\n\t     * // => 'c';\n\t     */\n\t    function nth(array, n) {\n\t      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n\t    }\n\t\n\t    /**\n\t     * Removes all given values from `array` using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n\t     * to remove elements from an array by predicate.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {...*} [values] The values to remove.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n\t     *\n\t     * _.pull(array, 'a', 'c');\n\t     * console.log(array);\n\t     * // => ['b', 'b']\n\t     */\n\t    var pull = baseRest(pullAll);\n\t\n\t    /**\n\t     * This method is like `_.pull` except that it accepts an array of values to remove.\n\t     *\n\t     * **Note:** Unlike `_.difference`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n\t     *\n\t     * _.pullAll(array, ['a', 'c']);\n\t     * console.log(array);\n\t     * // => ['b', 'b']\n\t     */\n\t    function pullAll(array, values) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values)\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n\t     * invoked for each element of `array` and `values` to generate the criterion\n\t     * by which they're compared. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n\t     *\n\t     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n\t     * console.log(array);\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    function pullAllBy(array, values, iteratee) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values, getIteratee(iteratee, 2))\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.pullAll` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `array` to `values`. The comparator is\n\t     * invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n\t     *\n\t     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n\t     * console.log(array);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n\t     */\n\t    function pullAllWith(array, values, comparator) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values, undefined, comparator)\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * Removes elements from `array` corresponding to `indexes` and returns an\n\t     * array of removed elements.\n\t     *\n\t     * **Note:** Unlike `_.at`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n\t     * @returns {Array} Returns the new array of removed elements.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'd'];\n\t     * var pulled = _.pullAt(array, [1, 3]);\n\t     *\n\t     * console.log(array);\n\t     * // => ['a', 'c']\n\t     *\n\t     * console.log(pulled);\n\t     * // => ['b', 'd']\n\t     */\n\t    var pullAt = flatRest(function(array, indexes) {\n\t      var length = array == null ? 0 : array.length,\n\t          result = baseAt(array, indexes);\n\t\n\t      basePullAt(array, arrayMap(indexes, function(index) {\n\t        return isIndex(index, length) ? +index : index;\n\t      }).sort(compareAscending));\n\t\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Removes all elements from `array` that `predicate` returns truthy for\n\t     * and returns an array of the removed elements. The predicate is invoked\n\t     * with three arguments: (value, index, array).\n\t     *\n\t     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n\t     * to pull elements from an array by value.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new array of removed elements.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3, 4];\n\t     * var evens = _.remove(array, function(n) {\n\t     *   return n % 2 == 0;\n\t     * });\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 3]\n\t     *\n\t     * console.log(evens);\n\t     * // => [2, 4]\n\t     */\n\t    function remove(array, predicate) {\n\t      var result = [];\n\t      if (!(array && array.length)) {\n\t        return result;\n\t      }\n\t      var index = -1,\n\t          indexes = [],\n\t          length = array.length;\n\t\n\t      predicate = getIteratee(predicate, 3);\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (predicate(value, index, array)) {\n\t          result.push(value);\n\t          indexes.push(index);\n\t        }\n\t      }\n\t      basePullAt(array, indexes);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Reverses `array` so that the first element becomes the last, the second\n\t     * element becomes the second to last, and so on.\n\t     *\n\t     * **Note:** This method mutates `array` and is based on\n\t     * [`Array#reverse`](https://mdn.io/Array/reverse).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _.reverse(array);\n\t     * // => [3, 2, 1]\n\t     *\n\t     * console.log(array);\n\t     * // => [3, 2, 1]\n\t     */\n\t    function reverse(array) {\n\t      return array == null ? array : nativeReverse.call(array);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` from `start` up to, but not including, `end`.\n\t     *\n\t     * **Note:** This method is used instead of\n\t     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n\t     * returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to slice.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function slice(array, start, end) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n\t        start = 0;\n\t        end = length;\n\t      }\n\t      else {\n\t        start = start == null ? 0 : toInteger(start);\n\t        end = end === undefined ? length : toInteger(end);\n\t      }\n\t      return baseSlice(array, start, end);\n\t    }\n\t\n\t    /**\n\t     * Uses a binary search to determine the lowest index at which `value`\n\t     * should be inserted into `array` in order to maintain its sort order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * _.sortedIndex([30, 50], 40);\n\t     * // => 1\n\t     */\n\t    function sortedIndex(array, value) {\n\t      return baseSortedIndex(array, value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n\t     * which is invoked for `value` and each element of `array` to compute their\n\t     * sort ranking. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n\t     *\n\t     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n\t     * // => 0\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n\t     * // => 0\n\t     */\n\t    function sortedIndexBy(array, value, iteratee) {\n\t      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.indexOf` except that it performs a binary\n\t     * search on a sorted `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n\t     * // => 1\n\t     */\n\t    function sortedIndexOf(array, value) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (length) {\n\t        var index = baseSortedIndex(array, value);\n\t        if (index < length && eq(array[index], value)) {\n\t          return index;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedIndex` except that it returns the highest\n\t     * index at which `value` should be inserted into `array` in order to\n\t     * maintain its sort order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n\t     * // => 4\n\t     */\n\t    function sortedLastIndex(array, value) {\n\t      return baseSortedIndex(array, value, true);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n\t     * which is invoked for `value` and each element of `array` to compute their\n\t     * sort ranking. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n\t     *\n\t     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n\t     * // => 1\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n\t     * // => 1\n\t     */\n\t    function sortedLastIndexBy(array, value, iteratee) {\n\t      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.lastIndexOf` except that it performs a binary\n\t     * search on a sorted `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n\t     * // => 3\n\t     */\n\t    function sortedLastIndexOf(array, value) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (length) {\n\t        var index = baseSortedIndex(array, value, true) - 1;\n\t        if (eq(array[index], value)) {\n\t          return index;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it's designed and optimized\n\t     * for sorted arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.sortedUniq([1, 1, 2]);\n\t     * // => [1, 2]\n\t     */\n\t    function sortedUniq(array) {\n\t      return (array && array.length)\n\t        ? baseSortedUniq(array)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniqBy` except that it's designed and optimized\n\t     * for sorted arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n\t     * // => [1.1, 2.3]\n\t     */\n\t    function sortedUniqBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Gets all but the first element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.tail([1, 2, 3]);\n\t     * // => [2, 3]\n\t     */\n\t    function tail(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseSlice(array, 1, length) : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements taken from the beginning.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to take.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.take([1, 2, 3]);\n\t     * // => [1]\n\t     *\n\t     * _.take([1, 2, 3], 2);\n\t     * // => [1, 2]\n\t     *\n\t     * _.take([1, 2, 3], 5);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * _.take([1, 2, 3], 0);\n\t     * // => []\n\t     */\n\t    function take(array, n, guard) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      return baseSlice(array, 0, n < 0 ? 0 : n);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements taken from the end.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to take.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.takeRight([1, 2, 3]);\n\t     * // => [3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 2);\n\t     * // => [2, 3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 5);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 0);\n\t     * // => []\n\t     */\n\t    function takeRight(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      n = length - n;\n\t      return baseSlice(array, n < 0 ? 0 : n, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with elements taken from the end. Elements are\n\t     * taken until `predicate` returns falsey. The predicate is invoked with\n\t     * three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.takeRightWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.takeRightWhile(users, ['active', false]);\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.takeRightWhile(users, 'active');\n\t     * // => []\n\t     */\n\t    function takeRightWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with elements taken from the beginning. Elements\n\t     * are taken until `predicate` returns falsey. The predicate is invoked with\n\t     * three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.takeWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.takeWhile(users, ['active', false]);\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.takeWhile(users, 'active');\n\t     * // => []\n\t     */\n\t    function takeWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3))\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates an array of unique values, in order, from all given arrays using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * _.union([2], [1, 2]);\n\t     * // => [2, 1]\n\t     */\n\t    var union = baseRest(function(arrays) {\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.union` except that it accepts `iteratee` which is\n\t     * invoked for each element of each `arrays` to generate the criterion by\n\t     * which uniqueness is computed. Result values are chosen from the first\n\t     * array in which the value occurs. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n\t     * // => [2.1, 1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }, { 'x': 2 }]\n\t     */\n\t    var unionBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.union` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `arrays`. Result values are chosen from\n\t     * the first array in which the value occurs. The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.unionWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n\t     */\n\t    var unionWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays);\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n\t    });\n\t\n\t    /**\n\t     * Creates a duplicate-free version of an array, using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons, in which only the first occurrence of each element\n\t     * is kept. The order of result values is determined by the order they occur\n\t     * in the array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.uniq([2, 1, 2]);\n\t     * // => [2, 1]\n\t     */\n\t    function uniq(array) {\n\t      return (array && array.length) ? baseUniq(array) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * uniqueness is computed. The order of result values is determined by the\n\t     * order they occur in the array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n\t     * // => [2.1, 1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }, { 'x': 2 }]\n\t     */\n\t    function uniqBy(array, iteratee) {\n\t      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `array`. The order of result values is\n\t     * determined by the order they occur in the array.The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.uniqWith(objects, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n\t     */\n\t    function uniqWith(array, comparator) {\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zip` except that it accepts an array of grouped\n\t     * elements and creates an array regrouping the elements to their pre-zip\n\t     * configuration.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.2.0\n\t     * @category Array\n\t     * @param {Array} array The array of grouped elements to process.\n\t     * @returns {Array} Returns the new array of regrouped elements.\n\t     * @example\n\t     *\n\t     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n\t     * // => [['a', 1, true], ['b', 2, false]]\n\t     *\n\t     * _.unzip(zipped);\n\t     * // => [['a', 'b'], [1, 2], [true, false]]\n\t     */\n\t    function unzip(array) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      var length = 0;\n\t      array = arrayFilter(array, function(group) {\n\t        if (isArrayLikeObject(group)) {\n\t          length = nativeMax(group.length, length);\n\t          return true;\n\t        }\n\t      });\n\t      return baseTimes(length, function(index) {\n\t        return arrayMap(array, baseProperty(index));\n\t      });\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n\t     * how regrouped values should be combined. The iteratee is invoked with the\n\t     * elements of each group: (...group).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Array\n\t     * @param {Array} array The array of grouped elements to process.\n\t     * @param {Function} [iteratee=_.identity] The function to combine\n\t     *  regrouped values.\n\t     * @returns {Array} Returns the new array of regrouped elements.\n\t     * @example\n\t     *\n\t     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n\t     * // => [[1, 10, 100], [2, 20, 200]]\n\t     *\n\t     * _.unzipWith(zipped, _.add);\n\t     * // => [3, 30, 300]\n\t     */\n\t    function unzipWith(array, iteratee) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      var result = unzip(array);\n\t      if (iteratee == null) {\n\t        return result;\n\t      }\n\t      return arrayMap(result, function(group) {\n\t        return apply(iteratee, undefined, group);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates an array excluding all given values using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * **Note:** Unlike `_.pull`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...*} [values] The values to exclude.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.difference, _.xor\n\t     * @example\n\t     *\n\t     * _.without([2, 1, 2, 3], 1, 2);\n\t     * // => [3]\n\t     */\n\t    var without = baseRest(function(array, values) {\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, values)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Creates an array of unique values that is the\n\t     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n\t     * of the given arrays. The order of result values is determined by the order\n\t     * they occur in the arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.difference, _.without\n\t     * @example\n\t     *\n\t     * _.xor([2, 1], [2, 3]);\n\t     * // => [1, 3]\n\t     */\n\t    var xor = baseRest(function(arrays) {\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.xor` except that it accepts `iteratee` which is\n\t     * invoked for each element of each `arrays` to generate the criterion by\n\t     * which by which they're compared. The order of result values is determined\n\t     * by the order they occur in the arrays. The iteratee is invoked with one\n\t     * argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [1.2, 3.4]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    var xorBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.xor` except that it accepts `comparator` which is\n\t     * invoked to compare elements of `arrays`. The order of result values is\n\t     * determined by the order they occur in the arrays. The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.xorWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n\t     */\n\t    var xorWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays);\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of grouped elements, the first of which contains the\n\t     * first elements of the given arrays, the second of which contains the\n\t     * second elements of the given arrays, and so on.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to process.\n\t     * @returns {Array} Returns the new array of grouped elements.\n\t     * @example\n\t     *\n\t     * _.zip(['a', 'b'], [1, 2], [true, false]);\n\t     * // => [['a', 1, true], ['b', 2, false]]\n\t     */\n\t    var zip = baseRest(unzip);\n\t\n\t    /**\n\t     * This method is like `_.fromPairs` except that it accepts two arrays,\n\t     * one of property identifiers and one of corresponding values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.4.0\n\t     * @category Array\n\t     * @param {Array} [props=[]] The property identifiers.\n\t     * @param {Array} [values=[]] The property values.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.zipObject(['a', 'b'], [1, 2]);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    function zipObject(props, values) {\n\t      return baseZipObject(props || [], values || [], assignValue);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zipObject` except that it supports property paths.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.1.0\n\t     * @category Array\n\t     * @param {Array} [props=[]] The property identifiers.\n\t     * @param {Array} [values=[]] The property values.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n\t     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n\t     */\n\t    function zipObjectDeep(props, values) {\n\t      return baseZipObject(props || [], values || [], baseSet);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zip` except that it accepts `iteratee` to specify\n\t     * how grouped values should be combined. The iteratee is invoked with the\n\t     * elements of each group: (...group).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to process.\n\t     * @param {Function} [iteratee=_.identity] The function to combine\n\t     *  grouped values.\n\t     * @returns {Array} Returns the new array of grouped elements.\n\t     * @example\n\t     *\n\t     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n\t     *   return a + b + c;\n\t     * });\n\t     * // => [111, 222]\n\t     */\n\t    var zipWith = baseRest(function(arrays) {\n\t      var length = arrays.length,\n\t          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\t\n\t      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n\t      return unzipWith(arrays, iteratee);\n\t    });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n\t     * chain sequences enabled. The result of such sequences must be unwrapped\n\t     * with `_#value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.3.0\n\t     * @category Seq\n\t     * @param {*} value The value to wrap.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36 },\n\t     *   { 'user': 'fred',    'age': 40 },\n\t     *   { 'user': 'pebbles', 'age': 1 }\n\t     * ];\n\t     *\n\t     * var youngest = _\n\t     *   .chain(users)\n\t     *   .sortBy('age')\n\t     *   .map(function(o) {\n\t     *     return o.user + ' is ' + o.age;\n\t     *   })\n\t     *   .head()\n\t     *   .value();\n\t     * // => 'pebbles is 1'\n\t     */\n\t    function chain(value) {\n\t      var result = lodash(value);\n\t      result.__chain__ = true;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method invokes `interceptor` and returns `value`. The interceptor\n\t     * is invoked with one argument; (value). The purpose of this method is to\n\t     * \"tap into\" a method chain sequence in order to modify intermediate results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @param {*} value The value to provide to `interceptor`.\n\t     * @param {Function} interceptor The function to invoke.\n\t     * @returns {*} Returns `value`.\n\t     * @example\n\t     *\n\t     * _([1, 2, 3])\n\t     *  .tap(function(array) {\n\t     *    // Mutate input array.\n\t     *    array.pop();\n\t     *  })\n\t     *  .reverse()\n\t     *  .value();\n\t     * // => [2, 1]\n\t     */\n\t    function tap(value, interceptor) {\n\t      interceptor(value);\n\t      return value;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.tap` except that it returns the result of `interceptor`.\n\t     * The purpose of this method is to \"pass thru\" values replacing intermediate\n\t     * results in a method chain sequence.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Seq\n\t     * @param {*} value The value to provide to `interceptor`.\n\t     * @param {Function} interceptor The function to invoke.\n\t     * @returns {*} Returns the result of `interceptor`.\n\t     * @example\n\t     *\n\t     * _('  abc  ')\n\t     *  .chain()\n\t     *  .trim()\n\t     *  .thru(function(value) {\n\t     *    return [value];\n\t     *  })\n\t     *  .value();\n\t     * // => ['abc']\n\t     */\n\t    function thru(value, interceptor) {\n\t      return interceptor(value);\n\t    }\n\t\n\t    /**\n\t     * This method is the wrapper version of `_.at`.\n\t     *\n\t     * @name at\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Seq\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t     *\n\t     * _(object).at(['a[0].b.c', 'a[1]']).value();\n\t     * // => [3, 4]\n\t     */\n\t    var wrapperAt = flatRest(function(paths) {\n\t      var length = paths.length,\n\t          start = length ? paths[0] : 0,\n\t          value = this.__wrapped__,\n\t          interceptor = function(object) { return baseAt(object, paths); };\n\t\n\t      if (length > 1 || this.__actions__.length ||\n\t          !(value instanceof LazyWrapper) || !isIndex(start)) {\n\t        return this.thru(interceptor);\n\t      }\n\t      value = value.slice(start, +start + (length ? 1 : 0));\n\t      value.__actions__.push({\n\t        'func': thru,\n\t        'args': [interceptor],\n\t        'thisArg': undefined\n\t      });\n\t      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n\t        if (length && !array.length) {\n\t          array.push(undefined);\n\t        }\n\t        return array;\n\t      });\n\t    });\n\t\n\t    /**\n\t     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n\t     *\n\t     * @name chain\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36 },\n\t     *   { 'user': 'fred',   'age': 40 }\n\t     * ];\n\t     *\n\t     * // A sequence without explicit chaining.\n\t     * _(users).head();\n\t     * // => { 'user': 'barney', 'age': 36 }\n\t     *\n\t     * // A sequence with explicit chaining.\n\t     * _(users)\n\t     *   .chain()\n\t     *   .head()\n\t     *   .pick('user')\n\t     *   .value();\n\t     * // => { 'user': 'barney' }\n\t     */\n\t    function wrapperChain() {\n\t      return chain(this);\n\t    }\n\t\n\t    /**\n\t     * Executes the chain sequence and returns the wrapped result.\n\t     *\n\t     * @name commit\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var array = [1, 2];\n\t     * var wrapped = _(array).push(3);\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 2]\n\t     *\n\t     * wrapped = wrapped.commit();\n\t     * console.log(array);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * wrapped.last();\n\t     * // => 3\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function wrapperCommit() {\n\t      return new LodashWrapper(this.value(), this.__chain__);\n\t    }\n\t\n\t    /**\n\t     * Gets the next value on a wrapped object following the\n\t     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n\t     *\n\t     * @name next\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the next iterator value.\n\t     * @example\n\t     *\n\t     * var wrapped = _([1, 2]);\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': false, 'value': 1 }\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': false, 'value': 2 }\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': true, 'value': undefined }\n\t     */\n\t    function wrapperNext() {\n\t      if (this.__values__ === undefined) {\n\t        this.__values__ = toArray(this.value());\n\t      }\n\t      var done = this.__index__ >= this.__values__.length,\n\t          value = done ? undefined : this.__values__[this.__index__++];\n\t\n\t      return { 'done': done, 'value': value };\n\t    }\n\t\n\t    /**\n\t     * Enables the wrapper to be iterable.\n\t     *\n\t     * @name Symbol.iterator\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the wrapper object.\n\t     * @example\n\t     *\n\t     * var wrapped = _([1, 2]);\n\t     *\n\t     * wrapped[Symbol.iterator]() === wrapped;\n\t     * // => true\n\t     *\n\t     * Array.from(wrapped);\n\t     * // => [1, 2]\n\t     */\n\t    function wrapperToIterator() {\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n\t     *\n\t     * @name plant\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Seq\n\t     * @param {*} value The value to plant.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var wrapped = _([1, 2]).map(square);\n\t     * var other = wrapped.plant([3, 4]);\n\t     *\n\t     * other.value();\n\t     * // => [9, 16]\n\t     *\n\t     * wrapped.value();\n\t     * // => [1, 4]\n\t     */\n\t    function wrapperPlant(value) {\n\t      var result,\n\t          parent = this;\n\t\n\t      while (parent instanceof baseLodash) {\n\t        var clone = wrapperClone(parent);\n\t        clone.__index__ = 0;\n\t        clone.__values__ = undefined;\n\t        if (result) {\n\t          previous.__wrapped__ = clone;\n\t        } else {\n\t          result = clone;\n\t        }\n\t        var previous = clone;\n\t        parent = parent.__wrapped__;\n\t      }\n\t      previous.__wrapped__ = value;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is the wrapper version of `_.reverse`.\n\t     *\n\t     * **Note:** This method mutates the wrapped array.\n\t     *\n\t     * @name reverse\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _(array).reverse().value()\n\t     * // => [3, 2, 1]\n\t     *\n\t     * console.log(array);\n\t     * // => [3, 2, 1]\n\t     */\n\t    function wrapperReverse() {\n\t      var value = this.__wrapped__;\n\t      if (value instanceof LazyWrapper) {\n\t        var wrapped = value;\n\t        if (this.__actions__.length) {\n\t          wrapped = new LazyWrapper(this);\n\t        }\n\t        wrapped = wrapped.reverse();\n\t        wrapped.__actions__.push({\n\t          'func': thru,\n\t          'args': [reverse],\n\t          'thisArg': undefined\n\t        });\n\t        return new LodashWrapper(wrapped, this.__chain__);\n\t      }\n\t      return this.thru(reverse);\n\t    }\n\t\n\t    /**\n\t     * Executes the chain sequence to resolve the unwrapped value.\n\t     *\n\t     * @name value\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias toJSON, valueOf\n\t     * @category Seq\n\t     * @returns {*} Returns the resolved unwrapped value.\n\t     * @example\n\t     *\n\t     * _([1, 2, 3]).value();\n\t     * // => [1, 2, 3]\n\t     */\n\t    function wrapperValue() {\n\t      return baseWrapperValue(this.__wrapped__, this.__actions__);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The corresponding value of\n\t     * each key is the number of times the key was returned by `iteratee`. The\n\t     * iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n\t     * // => { '4': 1, '6': 2 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.countBy(['one', 'two', 'three'], 'length');\n\t     * // => { '3': 2, '5': 1 }\n\t     */\n\t    var countBy = createAggregator(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, key)) {\n\t        ++result[key];\n\t      } else {\n\t        baseAssignValue(result, key, 1);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n\t     * Iteration is stopped once `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index|key, collection).\n\t     *\n\t     * **Note:** This method returns `true` for\n\t     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n\t     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n\t     * elements of empty collections.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.every([true, 1, null, 'yes'], Boolean);\n\t     * // => false\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': false },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.every(users, { 'user': 'barney', 'active': false });\n\t     * // => false\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.every(users, ['active', false]);\n\t     * // => true\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.every(users, 'active');\n\t     * // => false\n\t     */\n\t    function every(collection, predicate, guard) {\n\t      var func = isArray(collection) ? arrayEvery : baseEvery;\n\t      if (guard && isIterateeCall(collection, predicate, guard)) {\n\t        predicate = undefined;\n\t      }\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection`, returning an array of all elements\n\t     * `predicate` returns truthy for. The predicate is invoked with three\n\t     * arguments: (value, index|key, collection).\n\t     *\n\t     * **Note:** Unlike `_.remove`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     * @see _.reject\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': true },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * _.filter(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.filter(users, { 'age': 36, 'active': true });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.filter(users, ['active', false]);\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.filter(users, 'active');\n\t     * // => objects for ['barney']\n\t     */\n\t    function filter(collection, predicate) {\n\t      var func = isArray(collection) ? arrayFilter : baseFilter;\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection`, returning the first element\n\t     * `predicate` returns truthy for. The predicate is invoked with three\n\t     * arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {*} Returns the matched element, else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36, 'active': true },\n\t     *   { 'user': 'fred',    'age': 40, 'active': false },\n\t     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n\t     * ];\n\t     *\n\t     * _.find(users, function(o) { return o.age < 40; });\n\t     * // => object for 'barney'\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.find(users, { 'age': 1, 'active': true });\n\t     * // => object for 'pebbles'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.find(users, ['active', false]);\n\t     * // => object for 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.find(users, 'active');\n\t     * // => object for 'barney'\n\t     */\n\t    var find = createFind(findIndex);\n\t\n\t    /**\n\t     * This method is like `_.find` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=collection.length-1] The index to search from.\n\t     * @returns {*} Returns the matched element, else `undefined`.\n\t     * @example\n\t     *\n\t     * _.findLast([1, 2, 3, 4], function(n) {\n\t     *   return n % 2 == 1;\n\t     * });\n\t     * // => 3\n\t     */\n\t    var findLast = createFind(findLastIndex);\n\t\n\t    /**\n\t     * Creates a flattened array of values by running each element in `collection`\n\t     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n\t     * with three arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [n, n];\n\t     * }\n\t     *\n\t     * _.flatMap([1, 2], duplicate);\n\t     * // => [1, 1, 2, 2]\n\t     */\n\t    function flatMap(collection, iteratee) {\n\t      return baseFlatten(map(collection, iteratee), 1);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.flatMap` except that it recursively flattens the\n\t     * mapped results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [[[n, n]]];\n\t     * }\n\t     *\n\t     * _.flatMapDeep([1, 2], duplicate);\n\t     * // => [1, 1, 2, 2]\n\t     */\n\t    function flatMapDeep(collection, iteratee) {\n\t      return baseFlatten(map(collection, iteratee), INFINITY);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.flatMap` except that it recursively flattens the\n\t     * mapped results up to `depth` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {number} [depth=1] The maximum recursion depth.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [[[n, n]]];\n\t     * }\n\t     *\n\t     * _.flatMapDepth([1, 2], duplicate, 2);\n\t     * // => [[1, 1], [2, 2]]\n\t     */\n\t    function flatMapDepth(collection, iteratee, depth) {\n\t      depth = depth === undefined ? 1 : toInteger(depth);\n\t      return baseFlatten(map(collection, iteratee), depth);\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n\t     * The iteratee is invoked with three arguments: (value, index|key, collection).\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n\t     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n\t     * or `_.forOwn` for object iteration.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias each\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     * @see _.forEachRight\n\t     * @example\n\t     *\n\t     * _.forEach([1, 2], function(value) {\n\t     *   console.log(value);\n\t     * });\n\t     * // => Logs `1` then `2`.\n\t     *\n\t     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t     */\n\t    function forEach(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayEach : baseEach;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forEach` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @alias eachRight\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     * @see _.forEach\n\t     * @example\n\t     *\n\t     * _.forEachRight([1, 2], function(value) {\n\t     *   console.log(value);\n\t     * });\n\t     * // => Logs `2` then `1`.\n\t     */\n\t    function forEachRight(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The order of grouped values\n\t     * is determined by the order they occur in `collection`. The corresponding\n\t     * value of each key is an array of elements responsible for generating the\n\t     * key. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n\t     * // => { '4': [4.2], '6': [6.1, 6.3] }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.groupBy(['one', 'two', 'three'], 'length');\n\t     * // => { '3': ['one', 'two'], '5': ['three'] }\n\t     */\n\t    var groupBy = createAggregator(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, key)) {\n\t        result[key].push(value);\n\t      } else {\n\t        baseAssignValue(result, key, [value]);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Checks if `value` is in `collection`. If `collection` is a string, it's\n\t     * checked for a substring of `value`, otherwise\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n\t     * the offset from the end of `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object|string} collection The collection to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n\t     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n\t     * @example\n\t     *\n\t     * _.includes([1, 2, 3], 1);\n\t     * // => true\n\t     *\n\t     * _.includes([1, 2, 3], 1, 2);\n\t     * // => false\n\t     *\n\t     * _.includes({ 'a': 1, 'b': 2 }, 1);\n\t     * // => true\n\t     *\n\t     * _.includes('abcd', 'bc');\n\t     * // => true\n\t     */\n\t    function includes(collection, value, fromIndex, guard) {\n\t      collection = isArrayLike(collection) ? collection : values(collection);\n\t      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\t\n\t      var length = collection.length;\n\t      if (fromIndex < 0) {\n\t        fromIndex = nativeMax(length + fromIndex, 0);\n\t      }\n\t      return isString(collection)\n\t        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n\t        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n\t    }\n\t\n\t    /**\n\t     * Invokes the method at `path` of each element in `collection`, returning\n\t     * an array of the results of each invoked method. Any additional arguments\n\t     * are provided to each invoked method. If `path` is a function, it's invoked\n\t     * for, and `this` bound to, each element in `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Array|Function|string} path The path of the method to invoke or\n\t     *  the function invoked per iteration.\n\t     * @param {...*} [args] The arguments to invoke each method with.\n\t     * @returns {Array} Returns the array of results.\n\t     * @example\n\t     *\n\t     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n\t     * // => [[1, 5, 7], [1, 2, 3]]\n\t     *\n\t     * _.invokeMap([123, 456], String.prototype.split, '');\n\t     * // => [['1', '2', '3'], ['4', '5', '6']]\n\t     */\n\t    var invokeMap = baseRest(function(collection, path, args) {\n\t      var index = -1,\n\t          isFunc = typeof path == 'function',\n\t          result = isArrayLike(collection) ? Array(collection.length) : [];\n\t\n\t      baseEach(collection, function(value) {\n\t        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n\t      });\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The corresponding value of\n\t     * each key is the last element responsible for generating the key. The\n\t     * iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * var array = [\n\t     *   { 'dir': 'left', 'code': 97 },\n\t     *   { 'dir': 'right', 'code': 100 }\n\t     * ];\n\t     *\n\t     * _.keyBy(array, function(o) {\n\t     *   return String.fromCharCode(o.code);\n\t     * });\n\t     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n\t     *\n\t     * _.keyBy(array, 'dir');\n\t     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n\t     */\n\t    var keyBy = createAggregator(function(result, value, key) {\n\t      baseAssignValue(result, key, value);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of values by running each element in `collection` thru\n\t     * `iteratee`. The iteratee is invoked with three arguments:\n\t     * (value, index|key, collection).\n\t     *\n\t     * Many lodash methods are guarded to work as iteratees for methods like\n\t     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n\t     *\n\t     * The guarded methods are:\n\t     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n\t     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n\t     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n\t     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new mapped array.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * _.map([4, 8], square);\n\t     * // => [16, 64]\n\t     *\n\t     * _.map({ 'a': 4, 'b': 8 }, square);\n\t     * // => [16, 64] (iteration order is not guaranteed)\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney' },\n\t     *   { 'user': 'fred' }\n\t     * ];\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.map(users, 'user');\n\t     * // => ['barney', 'fred']\n\t     */\n\t    function map(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayMap : baseMap;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortBy` except that it allows specifying the sort\n\t     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n\t     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n\t     * descending or \"asc\" for ascending sort order of corresponding values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n\t     *  The iteratees to sort by.\n\t     * @param {string[]} [orders] The sort orders of `iteratees`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n\t     * @returns {Array} Returns the new sorted array.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'fred',   'age': 48 },\n\t     *   { 'user': 'barney', 'age': 34 },\n\t     *   { 'user': 'fred',   'age': 40 },\n\t     *   { 'user': 'barney', 'age': 36 }\n\t     * ];\n\t     *\n\t     * // Sort by `user` in ascending order and by `age` in descending order.\n\t     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n\t     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n\t     */\n\t    function orderBy(collection, iteratees, orders, guard) {\n\t      if (collection == null) {\n\t        return [];\n\t      }\n\t      if (!isArray(iteratees)) {\n\t        iteratees = iteratees == null ? [] : [iteratees];\n\t      }\n\t      orders = guard ? undefined : orders;\n\t      if (!isArray(orders)) {\n\t        orders = orders == null ? [] : [orders];\n\t      }\n\t      return baseOrderBy(collection, iteratees, orders);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of elements split into two groups, the first of which\n\t     * contains elements `predicate` returns truthy for, the second of which\n\t     * contains elements `predicate` returns falsey for. The predicate is\n\t     * invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the array of grouped elements.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36, 'active': false },\n\t     *   { 'user': 'fred',    'age': 40, 'active': true },\n\t     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n\t     * ];\n\t     *\n\t     * _.partition(users, function(o) { return o.active; });\n\t     * // => objects for [['fred'], ['barney', 'pebbles']]\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.partition(users, { 'age': 1, 'active': false });\n\t     * // => objects for [['pebbles'], ['barney', 'fred']]\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.partition(users, ['active', false]);\n\t     * // => objects for [['barney', 'pebbles'], ['fred']]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.partition(users, 'active');\n\t     * // => objects for [['fred'], ['barney', 'pebbles']]\n\t     */\n\t    var partition = createAggregator(function(result, value, key) {\n\t      result[key ? 0 : 1].push(value);\n\t    }, function() { return [[], []]; });\n\t\n\t    /**\n\t     * Reduces `collection` to a value which is the accumulated result of running\n\t     * each element in `collection` thru `iteratee`, where each successive\n\t     * invocation is supplied the return value of the previous. If `accumulator`\n\t     * is not given, the first element of `collection` is used as the initial\n\t     * value. The iteratee is invoked with four arguments:\n\t     * (accumulator, value, index|key, collection).\n\t     *\n\t     * Many lodash methods are guarded to work as iteratees for methods like\n\t     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n\t     *\n\t     * The guarded methods are:\n\t     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n\t     * and `sortBy`\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The initial value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @see _.reduceRight\n\t     * @example\n\t     *\n\t     * _.reduce([1, 2], function(sum, n) {\n\t     *   return sum + n;\n\t     * }, 0);\n\t     * // => 3\n\t     *\n\t     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t     *   (result[value] || (result[value] = [])).push(key);\n\t     *   return result;\n\t     * }, {});\n\t     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n\t     */\n\t    function reduce(collection, iteratee, accumulator) {\n\t      var func = isArray(collection) ? arrayReduce : baseReduce,\n\t          initAccum = arguments.length < 3;\n\t\n\t      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.reduce` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The initial value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @see _.reduce\n\t     * @example\n\t     *\n\t     * var array = [[0, 1], [2, 3], [4, 5]];\n\t     *\n\t     * _.reduceRight(array, function(flattened, other) {\n\t     *   return flattened.concat(other);\n\t     * }, []);\n\t     * // => [4, 5, 2, 3, 0, 1]\n\t     */\n\t    function reduceRight(collection, iteratee, accumulator) {\n\t      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n\t          initAccum = arguments.length < 3;\n\t\n\t      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.filter`; this method returns the elements of `collection`\n\t     * that `predicate` does **not** return truthy for.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     * @see _.filter\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': false },\n\t     *   { 'user': 'fred',   'age': 40, 'active': true }\n\t     * ];\n\t     *\n\t     * _.reject(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.reject(users, { 'age': 40, 'active': true });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.reject(users, ['active', false]);\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.reject(users, 'active');\n\t     * // => objects for ['barney']\n\t     */\n\t    function reject(collection, predicate) {\n\t      var func = isArray(collection) ? arrayFilter : baseFilter;\n\t      return func(collection, negate(getIteratee(predicate, 3)));\n\t    }\n\t\n\t    /**\n\t     * Gets a random element from `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @returns {*} Returns the random element.\n\t     * @example\n\t     *\n\t     * _.sample([1, 2, 3, 4]);\n\t     * // => 2\n\t     */\n\t    function sample(collection) {\n\t      var func = isArray(collection) ? arraySample : baseSample;\n\t      return func(collection);\n\t    }\n\t\n\t    /**\n\t     * Gets `n` random elements at unique keys from `collection` up to the\n\t     * size of `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @param {number} [n=1] The number of elements to sample.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the random elements.\n\t     * @example\n\t     *\n\t     * _.sampleSize([1, 2, 3], 2);\n\t     * // => [3, 1]\n\t     *\n\t     * _.sampleSize([1, 2, 3], 4);\n\t     * // => [2, 3, 1]\n\t     */\n\t    function sampleSize(collection, n, guard) {\n\t      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n\t        n = 1;\n\t      } else {\n\t        n = toInteger(n);\n\t      }\n\t      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n\t      return func(collection, n);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of shuffled values, using a version of the\n\t     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     * @example\n\t     *\n\t     * _.shuffle([1, 2, 3, 4]);\n\t     * // => [4, 1, 3, 2]\n\t     */\n\t    function shuffle(collection) {\n\t      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n\t      return func(collection);\n\t    }\n\t\n\t    /**\n\t     * Gets the size of `collection` by returning its length for array-like\n\t     * values or the number of own enumerable string keyed properties for objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object|string} collection The collection to inspect.\n\t     * @returns {number} Returns the collection size.\n\t     * @example\n\t     *\n\t     * _.size([1, 2, 3]);\n\t     * // => 3\n\t     *\n\t     * _.size({ 'a': 1, 'b': 2 });\n\t     * // => 2\n\t     *\n\t     * _.size('pebbles');\n\t     * // => 7\n\t     */\n\t    function size(collection) {\n\t      if (collection == null) {\n\t        return 0;\n\t      }\n\t      if (isArrayLike(collection)) {\n\t        return isString(collection) ? stringSize(collection) : collection.length;\n\t      }\n\t      var tag = getTag(collection);\n\t      if (tag == mapTag || tag == setTag) {\n\t        return collection.size;\n\t      }\n\t      return baseKeys(collection).length;\n\t    }\n\t\n\t    /**\n\t     * Checks if `predicate` returns truthy for **any** element of `collection`.\n\t     * Iteration is stopped once `predicate` returns truthy. The predicate is\n\t     * invoked with three arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.some([null, 0, 'yes', false], Boolean);\n\t     * // => true\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'active': true },\n\t     *   { 'user': 'fred',   'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.some(users, { 'user': 'barney', 'active': false });\n\t     * // => false\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.some(users, ['active', false]);\n\t     * // => true\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.some(users, 'active');\n\t     * // => true\n\t     */\n\t    function some(collection, predicate, guard) {\n\t      var func = isArray(collection) ? arraySome : baseSome;\n\t      if (guard && isIterateeCall(collection, predicate, guard)) {\n\t        predicate = undefined;\n\t      }\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of elements, sorted in ascending order by the results of\n\t     * running each element in a collection thru each iteratee. This method\n\t     * performs a stable sort, that is, it preserves the original sort order of\n\t     * equal elements. The iteratees are invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n\t     *  The iteratees to sort by.\n\t     * @returns {Array} Returns the new sorted array.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'fred',   'age': 48 },\n\t     *   { 'user': 'barney', 'age': 36 },\n\t     *   { 'user': 'fred',   'age': 40 },\n\t     *   { 'user': 'barney', 'age': 34 }\n\t     * ];\n\t     *\n\t     * _.sortBy(users, [function(o) { return o.user; }]);\n\t     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n\t     *\n\t     * _.sortBy(users, ['user', 'age']);\n\t     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n\t     */\n\t    var sortBy = baseRest(function(collection, iteratees) {\n\t      if (collection == null) {\n\t        return [];\n\t      }\n\t      var length = iteratees.length;\n\t      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n\t        iteratees = [];\n\t      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n\t        iteratees = [iteratees[0]];\n\t      }\n\t      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n\t    });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Gets the timestamp of the number of milliseconds that have elapsed since\n\t     * the Unix epoch (1 January 1970 00:00:00 UTC).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Date\n\t     * @returns {number} Returns the timestamp.\n\t     * @example\n\t     *\n\t     * _.defer(function(stamp) {\n\t     *   console.log(_.now() - stamp);\n\t     * }, _.now());\n\t     * // => Logs the number of milliseconds it took for the deferred invocation.\n\t     */\n\t    var now = ctxNow || function() {\n\t      return root.Date.now();\n\t    };\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * The opposite of `_.before`; this method creates a function that invokes\n\t     * `func` once it's called `n` or more times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {number} n The number of calls before `func` is invoked.\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * var saves = ['profile', 'settings'];\n\t     *\n\t     * var done = _.after(saves.length, function() {\n\t     *   console.log('done saving!');\n\t     * });\n\t     *\n\t     * _.forEach(saves, function(type) {\n\t     *   asyncSave({ 'type': type, 'complete': done });\n\t     * });\n\t     * // => Logs 'done saving!' after the two async saves have completed.\n\t     */\n\t    function after(n, func) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      n = toInteger(n);\n\t      return function() {\n\t        if (--n < 1) {\n\t          return func.apply(this, arguments);\n\t        }\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func`, with up to `n` arguments,\n\t     * ignoring any additional arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to cap arguments for.\n\t     * @param {number} [n=func.length] The arity cap.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new capped function.\n\t     * @example\n\t     *\n\t     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n\t     * // => [6, 8, 10]\n\t     */\n\t    function ary(func, n, guard) {\n\t      n = guard ? undefined : n;\n\t      n = (func && n == null) ? func.length : n;\n\t      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func`, with the `this` binding and arguments\n\t     * of the created function, while it's called less than `n` times. Subsequent\n\t     * calls to the created function return the result of the last `func` invocation.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {number} n The number of calls at which `func` is no longer invoked.\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * jQuery(element).on('click', _.before(5, addContactToList));\n\t     * // => Allows adding up to 4 contacts to the list.\n\t     */\n\t    function before(n, func) {\n\t      var result;\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      n = toInteger(n);\n\t      return function() {\n\t        if (--n > 0) {\n\t          result = func.apply(this, arguments);\n\t        }\n\t        if (n <= 1) {\n\t          func = undefined;\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n\t     * and `partials` prepended to the arguments it receives.\n\t     *\n\t     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n\t     * may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n\t     * property of bound functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to bind.\n\t     * @param {*} thisArg The `this` binding of `func`.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new bound function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, punctuation) {\n\t     *   return greeting + ' ' + this.user + punctuation;\n\t     * }\n\t     *\n\t     * var object = { 'user': 'fred' };\n\t     *\n\t     * var bound = _.bind(greet, object, 'hi');\n\t     * bound('!');\n\t     * // => 'hi fred!'\n\t     *\n\t     * // Bound with placeholders.\n\t     * var bound = _.bind(greet, object, _, '!');\n\t     * bound('hi');\n\t     * // => 'hi fred!'\n\t     */\n\t    var bind = baseRest(function(func, thisArg, partials) {\n\t      var bitmask = WRAP_BIND_FLAG;\n\t      if (partials.length) {\n\t        var holders = replaceHolders(partials, getHolder(bind));\n\t        bitmask |= WRAP_PARTIAL_FLAG;\n\t      }\n\t      return createWrap(func, bitmask, thisArg, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes the method at `object[key]` with `partials`\n\t     * prepended to the arguments it receives.\n\t     *\n\t     * This method differs from `_.bind` by allowing bound functions to reference\n\t     * methods that may be redefined or don't yet exist. See\n\t     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n\t     * for more details.\n\t     *\n\t     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.10.0\n\t     * @category Function\n\t     * @param {Object} object The object to invoke the method on.\n\t     * @param {string} key The key of the method.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new bound function.\n\t     * @example\n\t     *\n\t     * var object = {\n\t     *   'user': 'fred',\n\t     *   'greet': function(greeting, punctuation) {\n\t     *     return greeting + ' ' + this.user + punctuation;\n\t     *   }\n\t     * };\n\t     *\n\t     * var bound = _.bindKey(object, 'greet', 'hi');\n\t     * bound('!');\n\t     * // => 'hi fred!'\n\t     *\n\t     * object.greet = function(greeting, punctuation) {\n\t     *   return greeting + 'ya ' + this.user + punctuation;\n\t     * };\n\t     *\n\t     * bound('!');\n\t     * // => 'hiya fred!'\n\t     *\n\t     * // Bound with placeholders.\n\t     * var bound = _.bindKey(object, 'greet', _, '!');\n\t     * bound('hi');\n\t     * // => 'hiya fred!'\n\t     */\n\t    var bindKey = baseRest(function(object, key, partials) {\n\t      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n\t      if (partials.length) {\n\t        var holders = replaceHolders(partials, getHolder(bindKey));\n\t        bitmask |= WRAP_PARTIAL_FLAG;\n\t      }\n\t      return createWrap(key, bitmask, object, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that accepts arguments of `func` and either invokes\n\t     * `func` returning its result, if at least `arity` number of arguments have\n\t     * been provided, or returns a function that accepts the remaining `func`\n\t     * arguments, and so on. The arity of `func` may be specified if `func.length`\n\t     * is not sufficient.\n\t     *\n\t     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n\t     * may be used as a placeholder for provided arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of curried functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to curry.\n\t     * @param {number} [arity=func.length] The arity of `func`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new curried function.\n\t     * @example\n\t     *\n\t     * var abc = function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * };\n\t     *\n\t     * var curried = _.curry(abc);\n\t     *\n\t     * curried(1)(2)(3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2)(3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2, 3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * // Curried with placeholders.\n\t     * curried(1)(_, 3)(2);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function curry(func, arity, guard) {\n\t      arity = guard ? undefined : arity;\n\t      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n\t      result.placeholder = curry.placeholder;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.curry` except that arguments are applied to `func`\n\t     * in the manner of `_.partialRight` instead of `_.partial`.\n\t     *\n\t     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for provided arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of curried functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to curry.\n\t     * @param {number} [arity=func.length] The arity of `func`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new curried function.\n\t     * @example\n\t     *\n\t     * var abc = function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * };\n\t     *\n\t     * var curried = _.curryRight(abc);\n\t     *\n\t     * curried(3)(2)(1);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(2, 3)(1);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2, 3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * // Curried with placeholders.\n\t     * curried(3)(1, _)(2);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function curryRight(func, arity, guard) {\n\t      arity = guard ? undefined : arity;\n\t      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n\t      result.placeholder = curryRight.placeholder;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a debounced function that delays invoking `func` until after `wait`\n\t     * milliseconds have elapsed since the last time the debounced function was\n\t     * invoked. The debounced function comes with a `cancel` method to cancel\n\t     * delayed `func` invocations and a `flush` method to immediately invoke them.\n\t     * Provide `options` to indicate whether `func` should be invoked on the\n\t     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n\t     * with the last arguments provided to the debounced function. Subsequent\n\t     * calls to the debounced function return the result of the last `func`\n\t     * invocation.\n\t     *\n\t     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n\t     * invoked on the trailing edge of the timeout only if the debounced function\n\t     * is invoked more than once during the `wait` timeout.\n\t     *\n\t     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n\t     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n\t     *\n\t     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n\t     * for details over the differences between `_.debounce` and `_.throttle`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to debounce.\n\t     * @param {number} [wait=0] The number of milliseconds to delay.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.leading=false]\n\t     *  Specify invoking on the leading edge of the timeout.\n\t     * @param {number} [options.maxWait]\n\t     *  The maximum time `func` is allowed to be delayed before it's invoked.\n\t     * @param {boolean} [options.trailing=true]\n\t     *  Specify invoking on the trailing edge of the timeout.\n\t     * @returns {Function} Returns the new debounced function.\n\t     * @example\n\t     *\n\t     * // Avoid costly calculations while the window size is in flux.\n\t     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n\t     *\n\t     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n\t     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n\t     *   'leading': true,\n\t     *   'trailing': false\n\t     * }));\n\t     *\n\t     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n\t     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n\t     * var source = new EventSource('/stream');\n\t     * jQuery(source).on('message', debounced);\n\t     *\n\t     * // Cancel the trailing debounced invocation.\n\t     * jQuery(window).on('popstate', debounced.cancel);\n\t     */\n\t    function debounce(func, wait, options) {\n\t      var lastArgs,\n\t          lastThis,\n\t          maxWait,\n\t          result,\n\t          timerId,\n\t          lastCallTime,\n\t          lastInvokeTime = 0,\n\t          leading = false,\n\t          maxing = false,\n\t          trailing = true;\n\t\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      wait = toNumber(wait) || 0;\n\t      if (isObject(options)) {\n\t        leading = !!options.leading;\n\t        maxing = 'maxWait' in options;\n\t        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n\t        trailing = 'trailing' in options ? !!options.trailing : trailing;\n\t      }\n\t\n\t      function invokeFunc(time) {\n\t        var args = lastArgs,\n\t            thisArg = lastThis;\n\t\n\t        lastArgs = lastThis = undefined;\n\t        lastInvokeTime = time;\n\t        result = func.apply(thisArg, args);\n\t        return result;\n\t      }\n\t\n\t      function leadingEdge(time) {\n\t        // Reset any `maxWait` timer.\n\t        lastInvokeTime = time;\n\t        // Start the timer for the trailing edge.\n\t        timerId = setTimeout(timerExpired, wait);\n\t        // Invoke the leading edge.\n\t        return leading ? invokeFunc(time) : result;\n\t      }\n\t\n\t      function remainingWait(time) {\n\t        var timeSinceLastCall = time - lastCallTime,\n\t            timeSinceLastInvoke = time - lastInvokeTime,\n\t            result = wait - timeSinceLastCall;\n\t\n\t        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n\t      }\n\t\n\t      function shouldInvoke(time) {\n\t        var timeSinceLastCall = time - lastCallTime,\n\t            timeSinceLastInvoke = time - lastInvokeTime;\n\t\n\t        // Either this is the first call, activity has stopped and we're at the\n\t        // trailing edge, the system time has gone backwards and we're treating\n\t        // it as the trailing edge, or we've hit the `maxWait` limit.\n\t        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n\t          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n\t      }\n\t\n\t      function timerExpired() {\n\t        var time = now();\n\t        if (shouldInvoke(time)) {\n\t          return trailingEdge(time);\n\t        }\n\t        // Restart the timer.\n\t        timerId = setTimeout(timerExpired, remainingWait(time));\n\t      }\n\t\n\t      function trailingEdge(time) {\n\t        timerId = undefined;\n\t\n\t        // Only invoke if we have `lastArgs` which means `func` has been\n\t        // debounced at least once.\n\t        if (trailing && lastArgs) {\n\t          return invokeFunc(time);\n\t        }\n\t        lastArgs = lastThis = undefined;\n\t        return result;\n\t      }\n\t\n\t      function cancel() {\n\t        if (timerId !== undefined) {\n\t          clearTimeout(timerId);\n\t        }\n\t        lastInvokeTime = 0;\n\t        lastArgs = lastCallTime = lastThis = timerId = undefined;\n\t      }\n\t\n\t      function flush() {\n\t        return timerId === undefined ? result : trailingEdge(now());\n\t      }\n\t\n\t      function debounced() {\n\t        var time = now(),\n\t            isInvoking = shouldInvoke(time);\n\t\n\t        lastArgs = arguments;\n\t        lastThis = this;\n\t        lastCallTime = time;\n\t\n\t        if (isInvoking) {\n\t          if (timerId === undefined) {\n\t            return leadingEdge(lastCallTime);\n\t          }\n\t          if (maxing) {\n\t            // Handle invocations in a tight loop.\n\t            timerId = setTimeout(timerExpired, wait);\n\t            return invokeFunc(lastCallTime);\n\t          }\n\t        }\n\t        if (timerId === undefined) {\n\t          timerId = setTimeout(timerExpired, wait);\n\t        }\n\t        return result;\n\t      }\n\t      debounced.cancel = cancel;\n\t      debounced.flush = flush;\n\t      return debounced;\n\t    }\n\t\n\t    /**\n\t     * Defers invoking the `func` until the current call stack has cleared. Any\n\t     * additional arguments are provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to defer.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {number} Returns the timer id.\n\t     * @example\n\t     *\n\t     * _.defer(function(text) {\n\t     *   console.log(text);\n\t     * }, 'deferred');\n\t     * // => Logs 'deferred' after one millisecond.\n\t     */\n\t    var defer = baseRest(function(func, args) {\n\t      return baseDelay(func, 1, args);\n\t    });\n\t\n\t    /**\n\t     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n\t     * provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {number} Returns the timer id.\n\t     * @example\n\t     *\n\t     * _.delay(function(text) {\n\t     *   console.log(text);\n\t     * }, 1000, 'later');\n\t     * // => Logs 'later' after one second.\n\t     */\n\t    var delay = baseRest(function(func, wait, args) {\n\t      return baseDelay(func, toNumber(wait) || 0, args);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with arguments reversed.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to flip arguments for.\n\t     * @returns {Function} Returns the new flipped function.\n\t     * @example\n\t     *\n\t     * var flipped = _.flip(function() {\n\t     *   return _.toArray(arguments);\n\t     * });\n\t     *\n\t     * flipped('a', 'b', 'c', 'd');\n\t     * // => ['d', 'c', 'b', 'a']\n\t     */\n\t    function flip(func) {\n\t      return createWrap(func, WRAP_FLIP_FLAG);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that memoizes the result of `func`. If `resolver` is\n\t     * provided, it determines the cache key for storing the result based on the\n\t     * arguments provided to the memoized function. By default, the first argument\n\t     * provided to the memoized function is used as the map cache key. The `func`\n\t     * is invoked with the `this` binding of the memoized function.\n\t     *\n\t     * **Note:** The cache is exposed as the `cache` property on the memoized\n\t     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n\t     * constructor with one whose instances implement the\n\t     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n\t     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to have its output memoized.\n\t     * @param {Function} [resolver] The function to resolve the cache key.\n\t     * @returns {Function} Returns the new memoized function.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     * var other = { 'c': 3, 'd': 4 };\n\t     *\n\t     * var values = _.memoize(_.values);\n\t     * values(object);\n\t     * // => [1, 2]\n\t     *\n\t     * values(other);\n\t     * // => [3, 4]\n\t     *\n\t     * object.a = 2;\n\t     * values(object);\n\t     * // => [1, 2]\n\t     *\n\t     * // Modify the result cache.\n\t     * values.cache.set(object, ['a', 'b']);\n\t     * values(object);\n\t     * // => ['a', 'b']\n\t     *\n\t     * // Replace `_.memoize.Cache`.\n\t     * _.memoize.Cache = WeakMap;\n\t     */\n\t    function memoize(func, resolver) {\n\t      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      var memoized = function() {\n\t        var args = arguments,\n\t            key = resolver ? resolver.apply(this, args) : args[0],\n\t            cache = memoized.cache;\n\t\n\t        if (cache.has(key)) {\n\t          return cache.get(key);\n\t        }\n\t        var result = func.apply(this, args);\n\t        memoized.cache = cache.set(key, result) || cache;\n\t        return result;\n\t      };\n\t      memoized.cache = new (memoize.Cache || MapCache);\n\t      return memoized;\n\t    }\n\t\n\t    // Expose `MapCache`.\n\t    memoize.Cache = MapCache;\n\t\n\t    /**\n\t     * Creates a function that negates the result of the predicate `func`. The\n\t     * `func` predicate is invoked with the `this` binding and arguments of the\n\t     * created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} predicate The predicate to negate.\n\t     * @returns {Function} Returns the new negated function.\n\t     * @example\n\t     *\n\t     * function isEven(n) {\n\t     *   return n % 2 == 0;\n\t     * }\n\t     *\n\t     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n\t     * // => [1, 3, 5]\n\t     */\n\t    function negate(predicate) {\n\t      if (typeof predicate != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      return function() {\n\t        var args = arguments;\n\t        switch (args.length) {\n\t          case 0: return !predicate.call(this);\n\t          case 1: return !predicate.call(this, args[0]);\n\t          case 2: return !predicate.call(this, args[0], args[1]);\n\t          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n\t        }\n\t        return !predicate.apply(this, args);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that is restricted to invoking `func` once. Repeat calls\n\t     * to the function return the value of the first invocation. The `func` is\n\t     * invoked with the `this` binding and arguments of the created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * var initialize = _.once(createApplication);\n\t     * initialize();\n\t     * initialize();\n\t     * // => `createApplication` is invoked once\n\t     */\n\t    function once(func) {\n\t      return before(2, func);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with its arguments transformed.\n\t     *\n\t     * @static\n\t     * @since 4.0.0\n\t     * @memberOf _\n\t     * @category Function\n\t     * @param {Function} func The function to wrap.\n\t     * @param {...(Function|Function[])} [transforms=[_.identity]]\n\t     *  The argument transforms.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * function doubled(n) {\n\t     *   return n * 2;\n\t     * }\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var func = _.overArgs(function(x, y) {\n\t     *   return [x, y];\n\t     * }, [square, doubled]);\n\t     *\n\t     * func(9, 3);\n\t     * // => [81, 6]\n\t     *\n\t     * func(10, 5);\n\t     * // => [100, 10]\n\t     */\n\t    var overArgs = castRest(function(func, transforms) {\n\t      transforms = (transforms.length == 1 && isArray(transforms[0]))\n\t        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n\t        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\t\n\t      var funcsLength = transforms.length;\n\t      return baseRest(function(args) {\n\t        var index = -1,\n\t            length = nativeMin(args.length, funcsLength);\n\t\n\t        while (++index < length) {\n\t          args[index] = transforms[index].call(this, args[index]);\n\t        }\n\t        return apply(func, this, args);\n\t      });\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with `partials` prepended to the\n\t     * arguments it receives. This method is like `_.bind` except it does **not**\n\t     * alter the `this` binding.\n\t     *\n\t     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of partially\n\t     * applied functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.2.0\n\t     * @category Function\n\t     * @param {Function} func The function to partially apply arguments to.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new partially applied function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, name) {\n\t     *   return greeting + ' ' + name;\n\t     * }\n\t     *\n\t     * var sayHelloTo = _.partial(greet, 'hello');\n\t     * sayHelloTo('fred');\n\t     * // => 'hello fred'\n\t     *\n\t     * // Partially applied with placeholders.\n\t     * var greetFred = _.partial(greet, _, 'fred');\n\t     * greetFred('hi');\n\t     * // => 'hi fred'\n\t     */\n\t    var partial = baseRest(function(func, partials) {\n\t      var holders = replaceHolders(partials, getHolder(partial));\n\t      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.partial` except that partially applied arguments\n\t     * are appended to the arguments it receives.\n\t     *\n\t     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of partially\n\t     * applied functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to partially apply arguments to.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new partially applied function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, name) {\n\t     *   return greeting + ' ' + name;\n\t     * }\n\t     *\n\t     * var greetFred = _.partialRight(greet, 'fred');\n\t     * greetFred('hi');\n\t     * // => 'hi fred'\n\t     *\n\t     * // Partially applied with placeholders.\n\t     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n\t     * sayHelloTo('fred');\n\t     * // => 'hello fred'\n\t     */\n\t    var partialRight = baseRest(function(func, partials) {\n\t      var holders = replaceHolders(partials, getHolder(partialRight));\n\t      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with arguments arranged according\n\t     * to the specified `indexes` where the argument value at the first index is\n\t     * provided as the first argument, the argument value at the second index is\n\t     * provided as the second argument, and so on.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to rearrange arguments for.\n\t     * @param {...(number|number[])} indexes The arranged argument indexes.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var rearged = _.rearg(function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * }, [2, 0, 1]);\n\t     *\n\t     * rearged('b', 'c', 'a')\n\t     * // => ['a', 'b', 'c']\n\t     */\n\t    var rearg = flatRest(function(func, indexes) {\n\t      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of the\n\t     * created function and arguments from `start` and beyond provided as\n\t     * an array.\n\t     *\n\t     * **Note:** This method is based on the\n\t     * [rest parameter](https://mdn.io/rest_parameters).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var say = _.rest(function(what, names) {\n\t     *   return what + ' ' + _.initial(names).join(', ') +\n\t     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n\t     * });\n\t     *\n\t     * say('hello', 'fred', 'barney', 'pebbles');\n\t     * // => 'hello fred, barney, & pebbles'\n\t     */\n\t    function rest(func, start) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      start = start === undefined ? start : toInteger(start);\n\t      return baseRest(func, start);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of the\n\t     * create function and an array of arguments much like\n\t     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n\t     *\n\t     * **Note:** This method is based on the\n\t     * [spread operator](https://mdn.io/spread_operator).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Function\n\t     * @param {Function} func The function to spread arguments over.\n\t     * @param {number} [start=0] The start position of the spread.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var say = _.spread(function(who, what) {\n\t     *   return who + ' says ' + what;\n\t     * });\n\t     *\n\t     * say(['fred', 'hello']);\n\t     * // => 'fred says hello'\n\t     *\n\t     * var numbers = Promise.all([\n\t     *   Promise.resolve(40),\n\t     *   Promise.resolve(36)\n\t     * ]);\n\t     *\n\t     * numbers.then(_.spread(function(x, y) {\n\t     *   return x + y;\n\t     * }));\n\t     * // => a Promise of 76\n\t     */\n\t    function spread(func, start) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n\t      return baseRest(function(args) {\n\t        var array = args[start],\n\t            otherArgs = castSlice(args, 0, start);\n\t\n\t        if (array) {\n\t          arrayPush(otherArgs, array);\n\t        }\n\t        return apply(func, this, otherArgs);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a throttled function that only invokes `func` at most once per\n\t     * every `wait` milliseconds. The throttled function comes with a `cancel`\n\t     * method to cancel delayed `func` invocations and a `flush` method to\n\t     * immediately invoke them. Provide `options` to indicate whether `func`\n\t     * should be invoked on the leading and/or trailing edge of the `wait`\n\t     * timeout. The `func` is invoked with the last arguments provided to the\n\t     * throttled function. Subsequent calls to the throttled function return the\n\t     * result of the last `func` invocation.\n\t     *\n\t     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n\t     * invoked on the trailing edge of the timeout only if the throttled function\n\t     * is invoked more than once during the `wait` timeout.\n\t     *\n\t     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n\t     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n\t     *\n\t     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n\t     * for details over the differences between `_.throttle` and `_.debounce`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to throttle.\n\t     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.leading=true]\n\t     *  Specify invoking on the leading edge of the timeout.\n\t     * @param {boolean} [options.trailing=true]\n\t     *  Specify invoking on the trailing edge of the timeout.\n\t     * @returns {Function} Returns the new throttled function.\n\t     * @example\n\t     *\n\t     * // Avoid excessively updating the position while scrolling.\n\t     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n\t     *\n\t     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n\t     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n\t     * jQuery(element).on('click', throttled);\n\t     *\n\t     * // Cancel the trailing throttled invocation.\n\t     * jQuery(window).on('popstate', throttled.cancel);\n\t     */\n\t    function throttle(func, wait, options) {\n\t      var leading = true,\n\t          trailing = true;\n\t\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      if (isObject(options)) {\n\t        leading = 'leading' in options ? !!options.leading : leading;\n\t        trailing = 'trailing' in options ? !!options.trailing : trailing;\n\t      }\n\t      return debounce(func, wait, {\n\t        'leading': leading,\n\t        'maxWait': wait,\n\t        'trailing': trailing\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that accepts up to one argument, ignoring any\n\t     * additional arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to cap arguments for.\n\t     * @returns {Function} Returns the new capped function.\n\t     * @example\n\t     *\n\t     * _.map(['6', '8', '10'], _.unary(parseInt));\n\t     * // => [6, 8, 10]\n\t     */\n\t    function unary(func) {\n\t      return ary(func, 1);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that provides `value` to `wrapper` as its first\n\t     * argument. Any additional arguments provided to the function are appended\n\t     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n\t     * binding of the created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {*} value The value to wrap.\n\t     * @param {Function} [wrapper=identity] The wrapper function.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var p = _.wrap(_.escape, function(func, text) {\n\t     *   return '<p>' + func(text) + '</p>';\n\t     * });\n\t     *\n\t     * p('fred, barney, & pebbles');\n\t     * // => '<p>fred, barney, &amp; pebbles</p>'\n\t     */\n\t    function wrap(value, wrapper) {\n\t      return partial(castFunction(wrapper), value);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Casts `value` as an array if it's not one.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.4.0\n\t     * @category Lang\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Array} Returns the cast array.\n\t     * @example\n\t     *\n\t     * _.castArray(1);\n\t     * // => [1]\n\t     *\n\t     * _.castArray({ 'a': 1 });\n\t     * // => [{ 'a': 1 }]\n\t     *\n\t     * _.castArray('abc');\n\t     * // => ['abc']\n\t     *\n\t     * _.castArray(null);\n\t     * // => [null]\n\t     *\n\t     * _.castArray(undefined);\n\t     * // => [undefined]\n\t     *\n\t     * _.castArray();\n\t     * // => []\n\t     *\n\t     * var array = [1, 2, 3];\n\t     * console.log(_.castArray(array) === array);\n\t     * // => true\n\t     */\n\t    function castArray() {\n\t      if (!arguments.length) {\n\t        return [];\n\t      }\n\t      var value = arguments[0];\n\t      return isArray(value) ? value : [value];\n\t    }\n\t\n\t    /**\n\t     * Creates a shallow clone of `value`.\n\t     *\n\t     * **Note:** This method is loosely based on the\n\t     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n\t     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n\t     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n\t     * arrays. The own enumerable properties of `arguments` objects are cloned\n\t     * as plain objects. An empty object is returned for uncloneable values such\n\t     * as error objects, functions, DOM nodes, and WeakMaps.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to clone.\n\t     * @returns {*} Returns the cloned value.\n\t     * @see _.cloneDeep\n\t     * @example\n\t     *\n\t     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t     *\n\t     * var shallow = _.clone(objects);\n\t     * console.log(shallow[0] === objects[0]);\n\t     * // => true\n\t     */\n\t    function clone(value) {\n\t      return baseClone(value, CLONE_SYMBOLS_FLAG);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.clone` except that it accepts `customizer` which\n\t     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n\t     * cloning is handled by the method instead. The `customizer` is invoked with\n\t     * up to four arguments; (value [, index|key, object, stack]).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to clone.\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @returns {*} Returns the cloned value.\n\t     * @see _.cloneDeepWith\n\t     * @example\n\t     *\n\t     * function customizer(value) {\n\t     *   if (_.isElement(value)) {\n\t     *     return value.cloneNode(false);\n\t     *   }\n\t     * }\n\t     *\n\t     * var el = _.cloneWith(document.body, customizer);\n\t     *\n\t     * console.log(el === document.body);\n\t     * // => false\n\t     * console.log(el.nodeName);\n\t     * // => 'BODY'\n\t     * console.log(el.childNodes.length);\n\t     * // => 0\n\t     */\n\t    function cloneWith(value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.clone` except that it recursively clones `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to recursively clone.\n\t     * @returns {*} Returns the deep cloned value.\n\t     * @see _.clone\n\t     * @example\n\t     *\n\t     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t     *\n\t     * var deep = _.cloneDeep(objects);\n\t     * console.log(deep[0] === objects[0]);\n\t     * // => false\n\t     */\n\t    function cloneDeep(value) {\n\t      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.cloneWith` except that it recursively clones `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to recursively clone.\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @returns {*} Returns the deep cloned value.\n\t     * @see _.cloneWith\n\t     * @example\n\t     *\n\t     * function customizer(value) {\n\t     *   if (_.isElement(value)) {\n\t     *     return value.cloneNode(true);\n\t     *   }\n\t     * }\n\t     *\n\t     * var el = _.cloneDeepWith(document.body, customizer);\n\t     *\n\t     * console.log(el === document.body);\n\t     * // => false\n\t     * console.log(el.nodeName);\n\t     * // => 'BODY'\n\t     * console.log(el.childNodes.length);\n\t     * // => 20\n\t     */\n\t    function cloneDeepWith(value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n\t    }\n\t\n\t    /**\n\t     * Checks if `object` conforms to `source` by invoking the predicate\n\t     * properties of `source` with the corresponding property values of `object`.\n\t     *\n\t     * **Note:** This method is equivalent to `_.conforms` when `source` is\n\t     * partially applied.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.14.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     *\n\t     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n\t     * // => true\n\t     *\n\t     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n\t     * // => false\n\t     */\n\t    function conformsTo(object, source) {\n\t      return source == null || baseConformsTo(object, source, keys(source));\n\t    }\n\t\n\t    /**\n\t     * Performs a\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * comparison between two values to determine if they are equivalent.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     * var other = { 'a': 1 };\n\t     *\n\t     * _.eq(object, object);\n\t     * // => true\n\t     *\n\t     * _.eq(object, other);\n\t     * // => false\n\t     *\n\t     * _.eq('a', 'a');\n\t     * // => true\n\t     *\n\t     * _.eq('a', Object('a'));\n\t     * // => false\n\t     *\n\t     * _.eq(NaN, NaN);\n\t     * // => true\n\t     */\n\t    function eq(value, other) {\n\t      return value === other || (value !== value && other !== other);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is greater than `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t     *  else `false`.\n\t     * @see _.lt\n\t     * @example\n\t     *\n\t     * _.gt(3, 1);\n\t     * // => true\n\t     *\n\t     * _.gt(3, 3);\n\t     * // => false\n\t     *\n\t     * _.gt(1, 3);\n\t     * // => false\n\t     */\n\t    var gt = createRelationalOperation(baseGt);\n\t\n\t    /**\n\t     * Checks if `value` is greater than or equal to `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n\t     *  `other`, else `false`.\n\t     * @see _.lte\n\t     * @example\n\t     *\n\t     * _.gte(3, 1);\n\t     * // => true\n\t     *\n\t     * _.gte(3, 3);\n\t     * // => true\n\t     *\n\t     * _.gte(1, 3);\n\t     * // => false\n\t     */\n\t    var gte = createRelationalOperation(function(value, other) {\n\t      return value >= other;\n\t    });\n\t\n\t    /**\n\t     * Checks if `value` is likely an `arguments` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isArguments(function() { return arguments; }());\n\t     * // => true\n\t     *\n\t     * _.isArguments([1, 2, 3]);\n\t     * // => false\n\t     */\n\t    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n\t      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n\t        !propertyIsEnumerable.call(value, 'callee');\n\t    };\n\t\n\t    /**\n\t     * Checks if `value` is classified as an `Array` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArray([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArray(document.body.children);\n\t     * // => false\n\t     *\n\t     * _.isArray('abc');\n\t     * // => false\n\t     *\n\t     * _.isArray(_.noop);\n\t     * // => false\n\t     */\n\t    var isArray = Array.isArray;\n\t\n\t    /**\n\t     * Checks if `value` is classified as an `ArrayBuffer` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayBuffer(new ArrayBuffer(2));\n\t     * // => true\n\t     *\n\t     * _.isArrayBuffer(new Array(2));\n\t     * // => false\n\t     */\n\t    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\t\n\t    /**\n\t     * Checks if `value` is array-like. A value is considered array-like if it's\n\t     * not a function and has a `value.length` that's an integer greater than or\n\t     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayLike([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArrayLike(document.body.children);\n\t     * // => true\n\t     *\n\t     * _.isArrayLike('abc');\n\t     * // => true\n\t     *\n\t     * _.isArrayLike(_.noop);\n\t     * // => false\n\t     */\n\t    function isArrayLike(value) {\n\t      return value != null && isLength(value.length) && !isFunction(value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isArrayLike` except that it also checks if `value`\n\t     * is an object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array-like object,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayLikeObject([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArrayLikeObject(document.body.children);\n\t     * // => true\n\t     *\n\t     * _.isArrayLikeObject('abc');\n\t     * // => false\n\t     *\n\t     * _.isArrayLikeObject(_.noop);\n\t     * // => false\n\t     */\n\t    function isArrayLikeObject(value) {\n\t      return isObjectLike(value) && isArrayLike(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a boolean primitive or object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n\t     * @example\n\t     *\n\t     * _.isBoolean(false);\n\t     * // => true\n\t     *\n\t     * _.isBoolean(null);\n\t     * // => false\n\t     */\n\t    function isBoolean(value) {\n\t      return value === true || value === false ||\n\t        (isObjectLike(value) && baseGetTag(value) == boolTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a buffer.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isBuffer(new Buffer(2));\n\t     * // => true\n\t     *\n\t     * _.isBuffer(new Uint8Array(2));\n\t     * // => false\n\t     */\n\t    var isBuffer = nativeIsBuffer || stubFalse;\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Date` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isDate(new Date);\n\t     * // => true\n\t     *\n\t     * _.isDate('Mon April 23 2012');\n\t     * // => false\n\t     */\n\t    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\t\n\t    /**\n\t     * Checks if `value` is likely a DOM element.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n\t     * @example\n\t     *\n\t     * _.isElement(document.body);\n\t     * // => true\n\t     *\n\t     * _.isElement('<body>');\n\t     * // => false\n\t     */\n\t    function isElement(value) {\n\t      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an empty object, collection, map, or set.\n\t     *\n\t     * Objects are considered empty if they have no own enumerable string keyed\n\t     * properties.\n\t     *\n\t     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n\t     * jQuery-like collections are considered empty if they have a `length` of `0`.\n\t     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n\t     * @example\n\t     *\n\t     * _.isEmpty(null);\n\t     * // => true\n\t     *\n\t     * _.isEmpty(true);\n\t     * // => true\n\t     *\n\t     * _.isEmpty(1);\n\t     * // => true\n\t     *\n\t     * _.isEmpty([1, 2, 3]);\n\t     * // => false\n\t     *\n\t     * _.isEmpty({ 'a': 1 });\n\t     * // => false\n\t     */\n\t    function isEmpty(value) {\n\t      if (value == null) {\n\t        return true;\n\t      }\n\t      if (isArrayLike(value) &&\n\t          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n\t            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n\t        return !value.length;\n\t      }\n\t      var tag = getTag(value);\n\t      if (tag == mapTag || tag == setTag) {\n\t        return !value.size;\n\t      }\n\t      if (isPrototype(value)) {\n\t        return !baseKeys(value).length;\n\t      }\n\t      for (var key in value) {\n\t        if (hasOwnProperty.call(value, key)) {\n\t          return false;\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Performs a deep comparison between two values to determine if they are\n\t     * equivalent.\n\t     *\n\t     * **Note:** This method supports comparing arrays, array buffers, booleans,\n\t     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n\t     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n\t     * by their own, not inherited, enumerable properties. Functions and DOM\n\t     * nodes are compared by strict equality, i.e. `===`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     * var other = { 'a': 1 };\n\t     *\n\t     * _.isEqual(object, other);\n\t     * // => true\n\t     *\n\t     * object === other;\n\t     * // => false\n\t     */\n\t    function isEqual(value, other) {\n\t      return baseIsEqual(value, other);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isEqual` except that it accepts `customizer` which\n\t     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t     * are handled by the method instead. The `customizer` is invoked with up to\n\t     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * function isGreeting(value) {\n\t     *   return /^h(?:i|ello)$/.test(value);\n\t     * }\n\t     *\n\t     * function customizer(objValue, othValue) {\n\t     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n\t     *     return true;\n\t     *   }\n\t     * }\n\t     *\n\t     * var array = ['hello', 'goodbye'];\n\t     * var other = ['hi', 'goodbye'];\n\t     *\n\t     * _.isEqualWith(array, other, customizer);\n\t     * // => true\n\t     */\n\t    function isEqualWith(value, other, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      var result = customizer ? customizer(value, other) : undefined;\n\t      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n\t     * `SyntaxError`, `TypeError`, or `URIError` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isError(new Error);\n\t     * // => true\n\t     *\n\t     * _.isError(Error);\n\t     * // => false\n\t     */\n\t    function isError(value) {\n\t      if (!isObjectLike(value)) {\n\t        return false;\n\t      }\n\t      var tag = baseGetTag(value);\n\t      return tag == errorTag || tag == domExcTag ||\n\t        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a finite primitive number.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n\t     * @example\n\t     *\n\t     * _.isFinite(3);\n\t     * // => true\n\t     *\n\t     * _.isFinite(Number.MIN_VALUE);\n\t     * // => true\n\t     *\n\t     * _.isFinite(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isFinite('3');\n\t     * // => false\n\t     */\n\t    function isFinite(value) {\n\t      return typeof value == 'number' && nativeIsFinite(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Function` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n\t     * @example\n\t     *\n\t     * _.isFunction(_);\n\t     * // => true\n\t     *\n\t     * _.isFunction(/abc/);\n\t     * // => false\n\t     */\n\t    function isFunction(value) {\n\t      if (!isObject(value)) {\n\t        return false;\n\t      }\n\t      // The use of `Object#toString` avoids issues with the `typeof` operator\n\t      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n\t      var tag = baseGetTag(value);\n\t      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an integer.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isInteger(3);\n\t     * // => true\n\t     *\n\t     * _.isInteger(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isInteger(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isInteger('3');\n\t     * // => false\n\t     */\n\t    function isInteger(value) {\n\t      return typeof value == 'number' && value == toInteger(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a valid array-like length.\n\t     *\n\t     * **Note:** This method is loosely based on\n\t     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n\t     * @example\n\t     *\n\t     * _.isLength(3);\n\t     * // => true\n\t     *\n\t     * _.isLength(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isLength(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isLength('3');\n\t     * // => false\n\t     */\n\t    function isLength(value) {\n\t      return typeof value == 'number' &&\n\t        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is the\n\t     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n\t     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isObject({});\n\t     * // => true\n\t     *\n\t     * _.isObject([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isObject(_.noop);\n\t     * // => true\n\t     *\n\t     * _.isObject(null);\n\t     * // => false\n\t     */\n\t    function isObject(value) {\n\t      var type = typeof value;\n\t      return value != null && (type == 'object' || type == 'function');\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is object-like. A value is object-like if it's not `null`\n\t     * and has a `typeof` result of \"object\".\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n\t     * @example\n\t     *\n\t     * _.isObjectLike({});\n\t     * // => true\n\t     *\n\t     * _.isObjectLike([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isObjectLike(_.noop);\n\t     * // => false\n\t     *\n\t     * _.isObjectLike(null);\n\t     * // => false\n\t     */\n\t    function isObjectLike(value) {\n\t      return value != null && typeof value == 'object';\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Map` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n\t     * @example\n\t     *\n\t     * _.isMap(new Map);\n\t     * // => true\n\t     *\n\t     * _.isMap(new WeakMap);\n\t     * // => false\n\t     */\n\t    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\t\n\t    /**\n\t     * Performs a partial deep comparison between `object` and `source` to\n\t     * determine if `object` contains equivalent property values.\n\t     *\n\t     * **Note:** This method is equivalent to `_.matches` when `source` is\n\t     * partially applied.\n\t     *\n\t     * Partial comparisons will match empty array and empty object `source`\n\t     * values against any array or object value, respectively. See `_.isEqual`\n\t     * for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     *\n\t     * _.isMatch(object, { 'b': 2 });\n\t     * // => true\n\t     *\n\t     * _.isMatch(object, { 'b': 1 });\n\t     * // => false\n\t     */\n\t    function isMatch(object, source) {\n\t      return object === source || baseIsMatch(object, source, getMatchData(source));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isMatch` except that it accepts `customizer` which\n\t     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t     * are handled by the method instead. The `customizer` is invoked with five\n\t     * arguments: (objValue, srcValue, index|key, object, source).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     * @example\n\t     *\n\t     * function isGreeting(value) {\n\t     *   return /^h(?:i|ello)$/.test(value);\n\t     * }\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n\t     *     return true;\n\t     *   }\n\t     * }\n\t     *\n\t     * var object = { 'greeting': 'hello' };\n\t     * var source = { 'greeting': 'hi' };\n\t     *\n\t     * _.isMatchWith(object, source, customizer);\n\t     * // => true\n\t     */\n\t    function isMatchWith(object, source, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseIsMatch(object, source, getMatchData(source), customizer);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `NaN`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n\t     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n\t     * `undefined` and other non-number values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNaN(NaN);\n\t     * // => true\n\t     *\n\t     * _.isNaN(new Number(NaN));\n\t     * // => true\n\t     *\n\t     * isNaN(undefined);\n\t     * // => true\n\t     *\n\t     * _.isNaN(undefined);\n\t     * // => false\n\t     */\n\t    function isNaN(value) {\n\t      // An `NaN` primitive is the only value that is not equal to itself.\n\t      // Perform the `toStringTag` check first to avoid errors with some\n\t      // ActiveX objects in IE.\n\t      return isNumber(value) && value != +value;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a pristine native function.\n\t     *\n\t     * **Note:** This method can't reliably detect native functions in the presence\n\t     * of the core-js package because core-js circumvents this kind of detection.\n\t     * Despite multiple requests, the core-js maintainer has made it clear: any\n\t     * attempt to fix the detection will be obstructed. As a result, we're left\n\t     * with little choice but to throw an error. Unfortunately, this also affects\n\t     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n\t     * which rely on core-js.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a native function,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isNative(Array.prototype.push);\n\t     * // => true\n\t     *\n\t     * _.isNative(_);\n\t     * // => false\n\t     */\n\t    function isNative(value) {\n\t      if (isMaskable(value)) {\n\t        throw new Error(CORE_ERROR_TEXT);\n\t      }\n\t      return baseIsNative(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `null`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNull(null);\n\t     * // => true\n\t     *\n\t     * _.isNull(void 0);\n\t     * // => false\n\t     */\n\t    function isNull(value) {\n\t      return value === null;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `null` or `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNil(null);\n\t     * // => true\n\t     *\n\t     * _.isNil(void 0);\n\t     * // => true\n\t     *\n\t     * _.isNil(NaN);\n\t     * // => false\n\t     */\n\t    function isNil(value) {\n\t      return value == null;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Number` primitive or object.\n\t     *\n\t     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n\t     * classified as numbers, use the `_.isFinite` method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNumber(3);\n\t     * // => true\n\t     *\n\t     * _.isNumber(Number.MIN_VALUE);\n\t     * // => true\n\t     *\n\t     * _.isNumber(Infinity);\n\t     * // => true\n\t     *\n\t     * _.isNumber('3');\n\t     * // => false\n\t     */\n\t    function isNumber(value) {\n\t      return typeof value == 'number' ||\n\t        (isObjectLike(value) && baseGetTag(value) == numberTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a plain object, that is, an object created by the\n\t     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.8.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * _.isPlainObject(new Foo);\n\t     * // => false\n\t     *\n\t     * _.isPlainObject([1, 2, 3]);\n\t     * // => false\n\t     *\n\t     * _.isPlainObject({ 'x': 0, 'y': 0 });\n\t     * // => true\n\t     *\n\t     * _.isPlainObject(Object.create(null));\n\t     * // => true\n\t     */\n\t    function isPlainObject(value) {\n\t      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n\t        return false;\n\t      }\n\t      var proto = getPrototype(value);\n\t      if (proto === null) {\n\t        return true;\n\t      }\n\t      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n\t      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n\t        funcToString.call(Ctor) == objectCtorString;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `RegExp` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n\t     * @example\n\t     *\n\t     * _.isRegExp(/abc/);\n\t     * // => true\n\t     *\n\t     * _.isRegExp('/abc/');\n\t     * // => false\n\t     */\n\t    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\t\n\t    /**\n\t     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n\t     * double precision number which isn't the result of a rounded unsafe integer.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSafeInteger(3);\n\t     * // => true\n\t     *\n\t     * _.isSafeInteger(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isSafeInteger(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isSafeInteger('3');\n\t     * // => false\n\t     */\n\t    function isSafeInteger(value) {\n\t      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Set` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSet(new Set);\n\t     * // => true\n\t     *\n\t     * _.isSet(new WeakSet);\n\t     * // => false\n\t     */\n\t    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `String` primitive or object.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n\t     * @example\n\t     *\n\t     * _.isString('abc');\n\t     * // => true\n\t     *\n\t     * _.isString(1);\n\t     * // => false\n\t     */\n\t    function isString(value) {\n\t      return typeof value == 'string' ||\n\t        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Symbol` primitive or object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSymbol(Symbol.iterator);\n\t     * // => true\n\t     *\n\t     * _.isSymbol('abc');\n\t     * // => false\n\t     */\n\t    function isSymbol(value) {\n\t      return typeof value == 'symbol' ||\n\t        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a typed array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n\t     * @example\n\t     *\n\t     * _.isTypedArray(new Uint8Array);\n\t     * // => true\n\t     *\n\t     * _.isTypedArray([]);\n\t     * // => false\n\t     */\n\t    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\t\n\t    /**\n\t     * Checks if `value` is `undefined`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isUndefined(void 0);\n\t     * // => true\n\t     *\n\t     * _.isUndefined(null);\n\t     * // => false\n\t     */\n\t    function isUndefined(value) {\n\t      return value === undefined;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `WeakMap` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n\t     * @example\n\t     *\n\t     * _.isWeakMap(new WeakMap);\n\t     * // => true\n\t     *\n\t     * _.isWeakMap(new Map);\n\t     * // => false\n\t     */\n\t    function isWeakMap(value) {\n\t      return isObjectLike(value) && getTag(value) == weakMapTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `WeakSet` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n\t     * @example\n\t     *\n\t     * _.isWeakSet(new WeakSet);\n\t     * // => true\n\t     *\n\t     * _.isWeakSet(new Set);\n\t     * // => false\n\t     */\n\t    function isWeakSet(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is less than `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t     *  else `false`.\n\t     * @see _.gt\n\t     * @example\n\t     *\n\t     * _.lt(1, 3);\n\t     * // => true\n\t     *\n\t     * _.lt(3, 3);\n\t     * // => false\n\t     *\n\t     * _.lt(3, 1);\n\t     * // => false\n\t     */\n\t    var lt = createRelationalOperation(baseLt);\n\t\n\t    /**\n\t     * Checks if `value` is less than or equal to `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than or equal to\n\t     *  `other`, else `false`.\n\t     * @see _.gte\n\t     * @example\n\t     *\n\t     * _.lte(1, 3);\n\t     * // => true\n\t     *\n\t     * _.lte(3, 3);\n\t     * // => true\n\t     *\n\t     * _.lte(3, 1);\n\t     * // => false\n\t     */\n\t    var lte = createRelationalOperation(function(value, other) {\n\t      return value <= other;\n\t    });\n\t\n\t    /**\n\t     * Converts `value` to an array.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {Array} Returns the converted array.\n\t     * @example\n\t     *\n\t     * _.toArray({ 'a': 1, 'b': 2 });\n\t     * // => [1, 2]\n\t     *\n\t     * _.toArray('abc');\n\t     * // => ['a', 'b', 'c']\n\t     *\n\t     * _.toArray(1);\n\t     * // => []\n\t     *\n\t     * _.toArray(null);\n\t     * // => []\n\t     */\n\t    function toArray(value) {\n\t      if (!value) {\n\t        return [];\n\t      }\n\t      if (isArrayLike(value)) {\n\t        return isString(value) ? stringToArray(value) : copyArray(value);\n\t      }\n\t      if (symIterator && value[symIterator]) {\n\t        return iteratorToArray(value[symIterator]());\n\t      }\n\t      var tag = getTag(value),\n\t          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\t\n\t      return func(value);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a finite number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.12.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted number.\n\t     * @example\n\t     *\n\t     * _.toFinite(3.2);\n\t     * // => 3.2\n\t     *\n\t     * _.toFinite(Number.MIN_VALUE);\n\t     * // => 5e-324\n\t     *\n\t     * _.toFinite(Infinity);\n\t     * // => 1.7976931348623157e+308\n\t     *\n\t     * _.toFinite('3.2');\n\t     * // => 3.2\n\t     */\n\t    function toFinite(value) {\n\t      if (!value) {\n\t        return value === 0 ? value : 0;\n\t      }\n\t      value = toNumber(value);\n\t      if (value === INFINITY || value === -INFINITY) {\n\t        var sign = (value < 0 ? -1 : 1);\n\t        return sign * MAX_INTEGER;\n\t      }\n\t      return value === value ? value : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to an integer.\n\t     *\n\t     * **Note:** This method is loosely based on\n\t     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toInteger(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toInteger(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toInteger(Infinity);\n\t     * // => 1.7976931348623157e+308\n\t     *\n\t     * _.toInteger('3.2');\n\t     * // => 3\n\t     */\n\t    function toInteger(value) {\n\t      var result = toFinite(value),\n\t          remainder = result % 1;\n\t\n\t      return result === result ? (remainder ? result - remainder : result) : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to an integer suitable for use as the length of an\n\t     * array-like object.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toLength(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toLength(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toLength(Infinity);\n\t     * // => 4294967295\n\t     *\n\t     * _.toLength('3.2');\n\t     * // => 3\n\t     */\n\t    function toLength(value) {\n\t      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to process.\n\t     * @returns {number} Returns the number.\n\t     * @example\n\t     *\n\t     * _.toNumber(3.2);\n\t     * // => 3.2\n\t     *\n\t     * _.toNumber(Number.MIN_VALUE);\n\t     * // => 5e-324\n\t     *\n\t     * _.toNumber(Infinity);\n\t     * // => Infinity\n\t     *\n\t     * _.toNumber('3.2');\n\t     * // => 3.2\n\t     */\n\t    function toNumber(value) {\n\t      if (typeof value == 'number') {\n\t        return value;\n\t      }\n\t      if (isSymbol(value)) {\n\t        return NAN;\n\t      }\n\t      if (isObject(value)) {\n\t        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n\t        value = isObject(other) ? (other + '') : other;\n\t      }\n\t      if (typeof value != 'string') {\n\t        return value === 0 ? value : +value;\n\t      }\n\t      value = value.replace(reTrim, '');\n\t      var isBinary = reIsBinary.test(value);\n\t      return (isBinary || reIsOctal.test(value))\n\t        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n\t        : (reIsBadHex.test(value) ? NAN : +value);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a plain object flattening inherited enumerable string\n\t     * keyed properties of `value` to own properties of the plain object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {Object} Returns the converted plain object.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.assign({ 'a': 1 }, new Foo);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     *\n\t     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n\t     * // => { 'a': 1, 'b': 2, 'c': 3 }\n\t     */\n\t    function toPlainObject(value) {\n\t      return copyObject(value, keysIn(value));\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a safe integer. A safe integer can be compared and\n\t     * represented correctly.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toSafeInteger(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toSafeInteger(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toSafeInteger(Infinity);\n\t     * // => 9007199254740991\n\t     *\n\t     * _.toSafeInteger('3.2');\n\t     * // => 3\n\t     */\n\t    function toSafeInteger(value) {\n\t      return value\n\t        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n\t        : (value === 0 ? value : 0);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a string. An empty string is returned for `null`\n\t     * and `undefined` values. The sign of `-0` is preserved.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.toString(null);\n\t     * // => ''\n\t     *\n\t     * _.toString(-0);\n\t     * // => '-0'\n\t     *\n\t     * _.toString([1, 2, 3]);\n\t     * // => '1,2,3'\n\t     */\n\t    function toString(value) {\n\t      return value == null ? '' : baseToString(value);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Assigns own enumerable string keyed properties of source objects to the\n\t     * destination object. Source objects are applied from left to right.\n\t     * Subsequent sources overwrite property assignments of previous sources.\n\t     *\n\t     * **Note:** This method mutates `object` and is loosely based on\n\t     * [`Object.assign`](https://mdn.io/Object/assign).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.10.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * function Bar() {\n\t     *   this.c = 3;\n\t     * }\n\t     *\n\t     * Foo.prototype.b = 2;\n\t     * Bar.prototype.d = 4;\n\t     *\n\t     * _.assign({ 'a': 0 }, new Foo, new Bar);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    var assign = createAssigner(function(object, source) {\n\t      if (isPrototype(source) || isArrayLike(source)) {\n\t        copyObject(source, keys(source), object);\n\t        return;\n\t      }\n\t      for (var key in source) {\n\t        if (hasOwnProperty.call(source, key)) {\n\t          assignValue(object, key, source[key]);\n\t        }\n\t      }\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it iterates over own and\n\t     * inherited source properties.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias extend\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assign\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * function Bar() {\n\t     *   this.c = 3;\n\t     * }\n\t     *\n\t     * Foo.prototype.b = 2;\n\t     * Bar.prototype.d = 4;\n\t     *\n\t     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n\t     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n\t     */\n\t    var assignIn = createAssigner(function(object, source) {\n\t      copyObject(source, keysIn(source), object);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assignIn` except that it accepts `customizer`\n\t     * which is invoked to produce the assigned values. If `customizer` returns\n\t     * `undefined`, assignment is handled by the method instead. The `customizer`\n\t     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias extendWith\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignWith\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   return _.isUndefined(objValue) ? srcValue : objValue;\n\t     * }\n\t     *\n\t     * var defaults = _.partialRight(_.assignInWith, customizer);\n\t     *\n\t     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      copyObject(source, keysIn(source), object, customizer);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it accepts `customizer`\n\t     * which is invoked to produce the assigned values. If `customizer` returns\n\t     * `undefined`, assignment is handled by the method instead. The `customizer`\n\t     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignInWith\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   return _.isUndefined(objValue) ? srcValue : objValue;\n\t     * }\n\t     *\n\t     * var defaults = _.partialRight(_.assignWith, customizer);\n\t     *\n\t     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      copyObject(source, keys(source), object, customizer);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of values corresponding to `paths` of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Array} Returns the picked values.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t     *\n\t     * _.at(object, ['a[0].b.c', 'a[1]']);\n\t     * // => [3, 4]\n\t     */\n\t    var at = flatRest(baseAt);\n\t\n\t    /**\n\t     * Creates an object that inherits from the `prototype` object. If a\n\t     * `properties` object is given, its own enumerable string keyed properties\n\t     * are assigned to the created object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.3.0\n\t     * @category Object\n\t     * @param {Object} prototype The object to inherit from.\n\t     * @param {Object} [properties] The properties to assign to the object.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * function Shape() {\n\t     *   this.x = 0;\n\t     *   this.y = 0;\n\t     * }\n\t     *\n\t     * function Circle() {\n\t     *   Shape.call(this);\n\t     * }\n\t     *\n\t     * Circle.prototype = _.create(Shape.prototype, {\n\t     *   'constructor': Circle\n\t     * });\n\t     *\n\t     * var circle = new Circle;\n\t     * circle instanceof Circle;\n\t     * // => true\n\t     *\n\t     * circle instanceof Shape;\n\t     * // => true\n\t     */\n\t    function create(prototype, properties) {\n\t      var result = baseCreate(prototype);\n\t      return properties == null ? result : baseAssign(result, properties);\n\t    }\n\t\n\t    /**\n\t     * Assigns own and inherited enumerable string keyed properties of source\n\t     * objects to the destination object for all destination properties that\n\t     * resolve to `undefined`. Source objects are applied from left to right.\n\t     * Once a property is set, additional values of the same property are ignored.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.defaultsDeep\n\t     * @example\n\t     *\n\t     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var defaults = baseRest(function(args) {\n\t      args.push(undefined, customDefaultsAssignIn);\n\t      return apply(assignInWith, undefined, args);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.defaults` except that it recursively assigns\n\t     * default properties.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.defaults\n\t     * @example\n\t     *\n\t     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n\t     * // => { 'a': { 'b': 2, 'c': 3 } }\n\t     */\n\t    var defaultsDeep = baseRest(function(args) {\n\t      args.push(undefined, customDefaultsMerge);\n\t      return apply(mergeWith, undefined, args);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.find` except that it returns the key of the first\n\t     * element `predicate` returns truthy for instead of the element itself.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {string|undefined} Returns the key of the matched element,\n\t     *  else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'barney':  { 'age': 36, 'active': true },\n\t     *   'fred':    { 'age': 40, 'active': false },\n\t     *   'pebbles': { 'age': 1,  'active': true }\n\t     * };\n\t     *\n\t     * _.findKey(users, function(o) { return o.age < 40; });\n\t     * // => 'barney' (iteration order is not guaranteed)\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findKey(users, { 'age': 1, 'active': true });\n\t     * // => 'pebbles'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findKey(users, ['active', false]);\n\t     * // => 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findKey(users, 'active');\n\t     * // => 'barney'\n\t     */\n\t    function findKey(object, predicate) {\n\t      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.findKey` except that it iterates over elements of\n\t     * a collection in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {string|undefined} Returns the key of the matched element,\n\t     *  else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'barney':  { 'age': 36, 'active': true },\n\t     *   'fred':    { 'age': 40, 'active': false },\n\t     *   'pebbles': { 'age': 1,  'active': true }\n\t     * };\n\t     *\n\t     * _.findLastKey(users, function(o) { return o.age < 40; });\n\t     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findLastKey(users, { 'age': 36, 'active': true });\n\t     * // => 'barney'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findLastKey(users, ['active', false]);\n\t     * // => 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findLastKey(users, 'active');\n\t     * // => 'pebbles'\n\t     */\n\t    function findLastKey(object, predicate) {\n\t      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n\t    }\n\t\n\t    /**\n\t     * Iterates over own and inherited enumerable string keyed properties of an\n\t     * object and invokes `iteratee` for each property. The iteratee is invoked\n\t     * with three arguments: (value, key, object). Iteratee functions may exit\n\t     * iteration early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forInRight\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forIn(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n\t     */\n\t    function forIn(object, iteratee) {\n\t      return object == null\n\t        ? object\n\t        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forIn` except that it iterates over properties of\n\t     * `object` in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forInRight(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n\t     */\n\t    function forInRight(object, iteratee) {\n\t      return object == null\n\t        ? object\n\t        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n\t    }\n\t\n\t    /**\n\t     * Iterates over own enumerable string keyed properties of an object and\n\t     * invokes `iteratee` for each property. The iteratee is invoked with three\n\t     * arguments: (value, key, object). Iteratee functions may exit iteration\n\t     * early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forOwnRight\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forOwn(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t     */\n\t    function forOwn(object, iteratee) {\n\t      return object && baseForOwn(object, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forOwn` except that it iterates over properties of\n\t     * `object` in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forOwn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forOwnRight(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n\t     */\n\t    function forOwnRight(object, iteratee) {\n\t      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of function property names from own enumerable properties\n\t     * of `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @returns {Array} Returns the function names.\n\t     * @see _.functionsIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = _.constant('a');\n\t     *   this.b = _.constant('b');\n\t     * }\n\t     *\n\t     * Foo.prototype.c = _.constant('c');\n\t     *\n\t     * _.functions(new Foo);\n\t     * // => ['a', 'b']\n\t     */\n\t    function functions(object) {\n\t      return object == null ? [] : baseFunctions(object, keys(object));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of function property names from own and inherited\n\t     * enumerable properties of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @returns {Array} Returns the function names.\n\t     * @see _.functions\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = _.constant('a');\n\t     *   this.b = _.constant('b');\n\t     * }\n\t     *\n\t     * Foo.prototype.c = _.constant('c');\n\t     *\n\t     * _.functionsIn(new Foo);\n\t     * // => ['a', 'b', 'c']\n\t     */\n\t    function functionsIn(object) {\n\t      return object == null ? [] : baseFunctions(object, keysIn(object));\n\t    }\n\t\n\t    /**\n\t     * Gets the value at `path` of `object`. If the resolved value is\n\t     * `undefined`, the `defaultValue` is returned in its place.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.get(object, 'a[0].b.c');\n\t     * // => 3\n\t     *\n\t     * _.get(object, ['a', '0', 'b', 'c']);\n\t     * // => 3\n\t     *\n\t     * _.get(object, 'a.b.c', 'default');\n\t     * // => 'default'\n\t     */\n\t    function get(object, path, defaultValue) {\n\t      var result = object == null ? undefined : baseGet(object, path);\n\t      return result === undefined ? defaultValue : result;\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` is a direct property of `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': { 'b': 2 } };\n\t     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n\t     *\n\t     * _.has(object, 'a');\n\t     * // => true\n\t     *\n\t     * _.has(object, 'a.b');\n\t     * // => true\n\t     *\n\t     * _.has(object, ['a', 'b']);\n\t     * // => true\n\t     *\n\t     * _.has(other, 'a');\n\t     * // => false\n\t     */\n\t    function has(object, path) {\n\t      return object != null && hasPath(object, path, baseHas);\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` is a direct or inherited property of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     * @example\n\t     *\n\t     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n\t     *\n\t     * _.hasIn(object, 'a');\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, 'a.b');\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, ['a', 'b']);\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, 'b');\n\t     * // => false\n\t     */\n\t    function hasIn(object, path) {\n\t      return object != null && hasPath(object, path, baseHasIn);\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of the inverted keys and values of `object`.\n\t     * If `object` contains duplicate values, subsequent values overwrite\n\t     * property assignments of previous values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to invert.\n\t     * @returns {Object} Returns the new inverted object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t     *\n\t     * _.invert(object);\n\t     * // => { '1': 'c', '2': 'b' }\n\t     */\n\t    var invert = createInverter(function(result, value, key) {\n\t      result[value] = key;\n\t    }, constant(identity));\n\t\n\t    /**\n\t     * This method is like `_.invert` except that the inverted object is generated\n\t     * from the results of running each element of `object` thru `iteratee`. The\n\t     * corresponding inverted value of each inverted key is an array of keys\n\t     * responsible for generating the inverted value. The iteratee is invoked\n\t     * with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.1.0\n\t     * @category Object\n\t     * @param {Object} object The object to invert.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Object} Returns the new inverted object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t     *\n\t     * _.invertBy(object);\n\t     * // => { '1': ['a', 'c'], '2': ['b'] }\n\t     *\n\t     * _.invertBy(object, function(value) {\n\t     *   return 'group' + value;\n\t     * });\n\t     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n\t     */\n\t    var invertBy = createInverter(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, value)) {\n\t        result[value].push(key);\n\t      } else {\n\t        result[value] = [key];\n\t      }\n\t    }, getIteratee);\n\t\n\t    /**\n\t     * Invokes the method at `path` of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {*} Returns the result of the invoked method.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n\t     *\n\t     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n\t     * // => [2, 3]\n\t     */\n\t    var invoke = baseRest(baseInvoke);\n\t\n\t    /**\n\t     * Creates an array of the own enumerable property names of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects. See the\n\t     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n\t     * for more details.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.keys(new Foo);\n\t     * // => ['a', 'b'] (iteration order is not guaranteed)\n\t     *\n\t     * _.keys('hi');\n\t     * // => ['0', '1']\n\t     */\n\t    function keys(object) {\n\t      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable property names of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.keysIn(new Foo);\n\t     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n\t     */\n\t    function keysIn(object) {\n\t      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.mapValues`; this method creates an object with the\n\t     * same values as `object` and keys generated by running each own enumerable\n\t     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n\t     * with three arguments: (value, key, object).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns the new mapped object.\n\t     * @see _.mapValues\n\t     * @example\n\t     *\n\t     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n\t     *   return key + value;\n\t     * });\n\t     * // => { 'a1': 1, 'b2': 2 }\n\t     */\n\t    function mapKeys(object, iteratee) {\n\t      var result = {};\n\t      iteratee = getIteratee(iteratee, 3);\n\t\n\t      baseForOwn(object, function(value, key, object) {\n\t        baseAssignValue(result, iteratee(value, key, object), value);\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an object with the same keys as `object` and values generated\n\t     * by running each own enumerable string keyed property of `object` thru\n\t     * `iteratee`. The iteratee is invoked with three arguments:\n\t     * (value, key, object).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns the new mapped object.\n\t     * @see _.mapKeys\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'fred':    { 'user': 'fred',    'age': 40 },\n\t     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n\t     * };\n\t     *\n\t     * _.mapValues(users, function(o) { return o.age; });\n\t     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.mapValues(users, 'age');\n\t     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t     */\n\t    function mapValues(object, iteratee) {\n\t      var result = {};\n\t      iteratee = getIteratee(iteratee, 3);\n\t\n\t      baseForOwn(object, function(value, key, object) {\n\t        baseAssignValue(result, key, iteratee(value, key, object));\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it recursively merges own and\n\t     * inherited enumerable string keyed properties of source objects into the\n\t     * destination object. Source properties that resolve to `undefined` are\n\t     * skipped if a destination value exists. Array and plain object properties\n\t     * are merged recursively. Other objects and value types are overridden by\n\t     * assignment. Source objects are applied from left to right. Subsequent\n\t     * sources overwrite property assignments of previous sources.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {\n\t     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n\t     * };\n\t     *\n\t     * var other = {\n\t     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n\t     * };\n\t     *\n\t     * _.merge(object, other);\n\t     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n\t     */\n\t    var merge = createAssigner(function(object, source, srcIndex) {\n\t      baseMerge(object, source, srcIndex);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.merge` except that it accepts `customizer` which\n\t     * is invoked to produce the merged values of the destination and source\n\t     * properties. If `customizer` returns `undefined`, merging is handled by the\n\t     * method instead. The `customizer` is invoked with six arguments:\n\t     * (objValue, srcValue, key, object, source, stack).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} customizer The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   if (_.isArray(objValue)) {\n\t     *     return objValue.concat(srcValue);\n\t     *   }\n\t     * }\n\t     *\n\t     * var object = { 'a': [1], 'b': [2] };\n\t     * var other = { 'a': [3], 'b': [4] };\n\t     *\n\t     * _.mergeWith(object, other, customizer);\n\t     * // => { 'a': [1, 3], 'b': [2, 4] }\n\t     */\n\t    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      baseMerge(object, source, srcIndex, customizer);\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.pick`; this method creates an object composed of the\n\t     * own and inherited enumerable property paths of `object` that are not omitted.\n\t     *\n\t     * **Note:** This method is considerably slower than `_.pick`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {...(string|string[])} [paths] The property paths to omit.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.omit(object, ['a', 'c']);\n\t     * // => { 'b': '2' }\n\t     */\n\t    var omit = flatRest(function(object, paths) {\n\t      var result = {};\n\t      if (object == null) {\n\t        return result;\n\t      }\n\t      var isDeep = false;\n\t      paths = arrayMap(paths, function(path) {\n\t        path = castPath(path, object);\n\t        isDeep || (isDeep = path.length > 1);\n\t        return path;\n\t      });\n\t      copyObject(object, getAllKeysIn(object), result);\n\t      if (isDeep) {\n\t        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n\t      }\n\t      var length = paths.length;\n\t      while (length--) {\n\t        baseUnset(result, paths[length]);\n\t      }\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.pickBy`; this method creates an object composed of\n\t     * the own and inherited enumerable string keyed properties of `object` that\n\t     * `predicate` doesn't return truthy for. The predicate is invoked with two\n\t     * arguments: (value, key).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {Function} [predicate=_.identity] The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.omitBy(object, _.isNumber);\n\t     * // => { 'b': '2' }\n\t     */\n\t    function omitBy(object, predicate) {\n\t      return pickBy(object, negate(getIteratee(predicate)));\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of the picked `object` properties.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.pick(object, ['a', 'c']);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    var pick = flatRest(function(object, paths) {\n\t      return object == null ? {} : basePick(object, paths);\n\t    });\n\t\n\t    /**\n\t     * Creates an object composed of the `object` properties `predicate` returns\n\t     * truthy for. The predicate is invoked with two arguments: (value, key).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {Function} [predicate=_.identity] The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.pickBy(object, _.isNumber);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    function pickBy(object, predicate) {\n\t      if (object == null) {\n\t        return {};\n\t      }\n\t      var props = arrayMap(getAllKeysIn(object), function(prop) {\n\t        return [prop];\n\t      });\n\t      predicate = getIteratee(predicate);\n\t      return basePickBy(object, props, function(value, path) {\n\t        return predicate(value, path[0]);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.get` except that if the resolved value is a\n\t     * function it's invoked with the `this` binding of its parent object and\n\t     * its result is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to resolve.\n\t     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n\t     *\n\t     * _.result(object, 'a[0].b.c1');\n\t     * // => 3\n\t     *\n\t     * _.result(object, 'a[0].b.c2');\n\t     * // => 4\n\t     *\n\t     * _.result(object, 'a[0].b.c3', 'default');\n\t     * // => 'default'\n\t     *\n\t     * _.result(object, 'a[0].b.c3', _.constant('default'));\n\t     * // => 'default'\n\t     */\n\t    function result(object, path, defaultValue) {\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length;\n\t\n\t      // Ensure the loop is entered when path is empty.\n\t      if (!length) {\n\t        length = 1;\n\t        object = undefined;\n\t      }\n\t      while (++index < length) {\n\t        var value = object == null ? undefined : object[toKey(path[index])];\n\t        if (value === undefined) {\n\t          index = length;\n\t          value = defaultValue;\n\t        }\n\t        object = isFunction(value) ? value.call(object) : value;\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n\t     * it's created. Arrays are created for missing index properties while objects\n\t     * are created for all other missing properties. Use `_.setWith` to customize\n\t     * `path` creation.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.set(object, 'a[0].b.c', 4);\n\t     * console.log(object.a[0].b.c);\n\t     * // => 4\n\t     *\n\t     * _.set(object, ['x', '0', 'y', 'z'], 5);\n\t     * console.log(object.x[0].y.z);\n\t     * // => 5\n\t     */\n\t    function set(object, path, value) {\n\t      return object == null ? object : baseSet(object, path, value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.set` except that it accepts `customizer` which is\n\t     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n\t     * path creation is handled by the method instead. The `customizer` is invoked\n\t     * with three arguments: (nsValue, key, nsObject).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {};\n\t     *\n\t     * _.setWith(object, '[0][1]', 'a', Object);\n\t     * // => { '0': { '1': 'a' } }\n\t     */\n\t    function setWith(object, path, value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return object == null ? object : baseSet(object, path, value, customizer);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own enumerable string keyed-value pairs for `object`\n\t     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n\t     * entries are returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias entries\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the key-value pairs.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.toPairs(new Foo);\n\t     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n\t     */\n\t    var toPairs = createToPairs(keys);\n\t\n\t    /**\n\t     * Creates an array of own and inherited enumerable string keyed-value pairs\n\t     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n\t     * or set, its entries are returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias entriesIn\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the key-value pairs.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.toPairsIn(new Foo);\n\t     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n\t     */\n\t    var toPairsIn = createToPairs(keysIn);\n\t\n\t    /**\n\t     * An alternative to `_.reduce`; this method transforms `object` to a new\n\t     * `accumulator` object which is the result of running each of its own\n\t     * enumerable string keyed properties thru `iteratee`, with each invocation\n\t     * potentially mutating the `accumulator` object. If `accumulator` is not\n\t     * provided, a new object with the same `[[Prototype]]` will be used. The\n\t     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The custom accumulator value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @example\n\t     *\n\t     * _.transform([2, 3, 4], function(result, n) {\n\t     *   result.push(n *= n);\n\t     *   return n % 2 == 0;\n\t     * }, []);\n\t     * // => [4, 9]\n\t     *\n\t     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t     *   (result[value] || (result[value] = [])).push(key);\n\t     * }, {});\n\t     * // => { '1': ['a', 'c'], '2': ['b'] }\n\t     */\n\t    function transform(object, iteratee, accumulator) {\n\t      var isArr = isArray(object),\n\t          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\t\n\t      iteratee = getIteratee(iteratee, 4);\n\t      if (accumulator == null) {\n\t        var Ctor = object && object.constructor;\n\t        if (isArrLike) {\n\t          accumulator = isArr ? new Ctor : [];\n\t        }\n\t        else if (isObject(object)) {\n\t          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n\t        }\n\t        else {\n\t          accumulator = {};\n\t        }\n\t      }\n\t      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n\t        return iteratee(accumulator, value, index, object);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * Removes the property at `path` of `object`.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to unset.\n\t     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n\t     * _.unset(object, 'a[0].b.c');\n\t     * // => true\n\t     *\n\t     * console.log(object);\n\t     * // => { 'a': [{ 'b': {} }] };\n\t     *\n\t     * _.unset(object, ['a', '0', 'b', 'c']);\n\t     * // => true\n\t     *\n\t     * console.log(object);\n\t     * // => { 'a': [{ 'b': {} }] };\n\t     */\n\t    function unset(object, path) {\n\t      return object == null ? true : baseUnset(object, path);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.set` except that accepts `updater` to produce the\n\t     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n\t     * is invoked with one argument: (value).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n\t     * console.log(object.a[0].b.c);\n\t     * // => 9\n\t     *\n\t     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n\t     * console.log(object.x[0].y.z);\n\t     * // => 0\n\t     */\n\t    function update(object, path, updater) {\n\t      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.update` except that it accepts `customizer` which is\n\t     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n\t     * path creation is handled by the method instead. The `customizer` is invoked\n\t     * with three arguments: (nsValue, key, nsObject).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {};\n\t     *\n\t     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n\t     * // => { '0': { '1': 'a' } }\n\t     */\n\t    function updateWith(object, path, updater, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own enumerable string keyed property values of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property values.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.values(new Foo);\n\t     * // => [1, 2] (iteration order is not guaranteed)\n\t     *\n\t     * _.values('hi');\n\t     * // => ['h', 'i']\n\t     */\n\t    function values(object) {\n\t      return object == null ? [] : baseValues(object, keys(object));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable string keyed property\n\t     * values of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property values.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.valuesIn(new Foo);\n\t     * // => [1, 2, 3] (iteration order is not guaranteed)\n\t     */\n\t    function valuesIn(object) {\n\t      return object == null ? [] : baseValues(object, keysIn(object));\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Number\n\t     * @param {number} number The number to clamp.\n\t     * @param {number} [lower] The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the clamped number.\n\t     * @example\n\t     *\n\t     * _.clamp(-10, -5, 5);\n\t     * // => -5\n\t     *\n\t     * _.clamp(10, -5, 5);\n\t     * // => 5\n\t     */\n\t    function clamp(number, lower, upper) {\n\t      if (upper === undefined) {\n\t        upper = lower;\n\t        lower = undefined;\n\t      }\n\t      if (upper !== undefined) {\n\t        upper = toNumber(upper);\n\t        upper = upper === upper ? upper : 0;\n\t      }\n\t      if (lower !== undefined) {\n\t        lower = toNumber(lower);\n\t        lower = lower === lower ? lower : 0;\n\t      }\n\t      return baseClamp(toNumber(number), lower, upper);\n\t    }\n\t\n\t    /**\n\t     * Checks if `n` is between `start` and up to, but not including, `end`. If\n\t     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n\t     * If `start` is greater than `end` the params are swapped to support\n\t     * negative ranges.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.3.0\n\t     * @category Number\n\t     * @param {number} number The number to check.\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t     * @see _.range, _.rangeRight\n\t     * @example\n\t     *\n\t     * _.inRange(3, 2, 4);\n\t     * // => true\n\t     *\n\t     * _.inRange(4, 8);\n\t     * // => true\n\t     *\n\t     * _.inRange(4, 2);\n\t     * // => false\n\t     *\n\t     * _.inRange(2, 2);\n\t     * // => false\n\t     *\n\t     * _.inRange(1.2, 2);\n\t     * // => true\n\t     *\n\t     * _.inRange(5.2, 4);\n\t     * // => false\n\t     *\n\t     * _.inRange(-3, -2, -6);\n\t     * // => true\n\t     */\n\t    function inRange(number, start, end) {\n\t      start = toFinite(start);\n\t      if (end === undefined) {\n\t        end = start;\n\t        start = 0;\n\t      } else {\n\t        end = toFinite(end);\n\t      }\n\t      number = toNumber(number);\n\t      return baseInRange(number, start, end);\n\t    }\n\t\n\t    /**\n\t     * Produces a random number between the inclusive `lower` and `upper` bounds.\n\t     * If only one argument is provided a number between `0` and the given number\n\t     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n\t     * floats, a floating-point number is returned instead of an integer.\n\t     *\n\t     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t     * floating-point values which can produce unexpected results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.7.0\n\t     * @category Number\n\t     * @param {number} [lower=0] The lower bound.\n\t     * @param {number} [upper=1] The upper bound.\n\t     * @param {boolean} [floating] Specify returning a floating-point number.\n\t     * @returns {number} Returns the random number.\n\t     * @example\n\t     *\n\t     * _.random(0, 5);\n\t     * // => an integer between 0 and 5\n\t     *\n\t     * _.random(5);\n\t     * // => also an integer between 0 and 5\n\t     *\n\t     * _.random(5, true);\n\t     * // => a floating-point number between 0 and 5\n\t     *\n\t     * _.random(1.2, 5.2);\n\t     * // => a floating-point number between 1.2 and 5.2\n\t     */\n\t    function random(lower, upper, floating) {\n\t      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n\t        upper = floating = undefined;\n\t      }\n\t      if (floating === undefined) {\n\t        if (typeof upper == 'boolean') {\n\t          floating = upper;\n\t          upper = undefined;\n\t        }\n\t        else if (typeof lower == 'boolean') {\n\t          floating = lower;\n\t          lower = undefined;\n\t        }\n\t      }\n\t      if (lower === undefined && upper === undefined) {\n\t        lower = 0;\n\t        upper = 1;\n\t      }\n\t      else {\n\t        lower = toFinite(lower);\n\t        if (upper === undefined) {\n\t          upper = lower;\n\t          lower = 0;\n\t        } else {\n\t          upper = toFinite(upper);\n\t        }\n\t      }\n\t      if (lower > upper) {\n\t        var temp = lower;\n\t        lower = upper;\n\t        upper = temp;\n\t      }\n\t      if (floating || lower % 1 || upper % 1) {\n\t        var rand = nativeRandom();\n\t        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n\t      }\n\t      return baseRandom(lower, upper);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the camel cased string.\n\t     * @example\n\t     *\n\t     * _.camelCase('Foo Bar');\n\t     * // => 'fooBar'\n\t     *\n\t     * _.camelCase('--foo-bar--');\n\t     * // => 'fooBar'\n\t     *\n\t     * _.camelCase('__FOO_BAR__');\n\t     * // => 'fooBar'\n\t     */\n\t    var camelCase = createCompounder(function(result, word, index) {\n\t      word = word.toLowerCase();\n\t      return result + (index ? capitalize(word) : word);\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to upper case and the remaining\n\t     * to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to capitalize.\n\t     * @returns {string} Returns the capitalized string.\n\t     * @example\n\t     *\n\t     * _.capitalize('FRED');\n\t     * // => 'Fred'\n\t     */\n\t    function capitalize(string) {\n\t      return upperFirst(toString(string).toLowerCase());\n\t    }\n\t\n\t    /**\n\t     * Deburrs `string` by converting\n\t     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n\t     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n\t     * letters to basic Latin letters and removing\n\t     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to deburr.\n\t     * @returns {string} Returns the deburred string.\n\t     * @example\n\t     *\n\t     * _.deburr('déjà vu');\n\t     * // => 'deja vu'\n\t     */\n\t    function deburr(string) {\n\t      string = toString(string);\n\t      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n\t    }\n\t\n\t    /**\n\t     * Checks if `string` ends with the given target string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {string} [target] The string to search for.\n\t     * @param {number} [position=string.length] The position to search up to.\n\t     * @returns {boolean} Returns `true` if `string` ends with `target`,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.endsWith('abc', 'c');\n\t     * // => true\n\t     *\n\t     * _.endsWith('abc', 'b');\n\t     * // => false\n\t     *\n\t     * _.endsWith('abc', 'b', 2);\n\t     * // => true\n\t     */\n\t    function endsWith(string, target, position) {\n\t      string = toString(string);\n\t      target = baseToString(target);\n\t\n\t      var length = string.length;\n\t      position = position === undefined\n\t        ? length\n\t        : baseClamp(toInteger(position), 0, length);\n\t\n\t      var end = position;\n\t      position -= target.length;\n\t      return position >= 0 && string.slice(position, end) == target;\n\t    }\n\t\n\t    /**\n\t     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n\t     * corresponding HTML entities.\n\t     *\n\t     * **Note:** No other characters are escaped. To escape additional\n\t     * characters use a third-party library like [_he_](https://mths.be/he).\n\t     *\n\t     * Though the \">\" character is escaped for symmetry, characters like\n\t     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n\t     * unless they're part of a tag or unquoted attribute value. See\n\t     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n\t     * (under \"semi-related fun fact\") for more details.\n\t     *\n\t     * When working with HTML you should always\n\t     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n\t     * XSS vectors.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category String\n\t     * @param {string} [string=''] The string to escape.\n\t     * @returns {string} Returns the escaped string.\n\t     * @example\n\t     *\n\t     * _.escape('fred, barney, & pebbles');\n\t     * // => 'fred, barney, &amp; pebbles'\n\t     */\n\t    function escape(string) {\n\t      string = toString(string);\n\t      return (string && reHasUnescapedHtml.test(string))\n\t        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n\t     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to escape.\n\t     * @returns {string} Returns the escaped string.\n\t     * @example\n\t     *\n\t     * _.escapeRegExp('[lodash](https://lodash.com/)');\n\t     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n\t     */\n\t    function escapeRegExp(string) {\n\t      string = toString(string);\n\t      return (string && reHasRegExpChar.test(string))\n\t        ? string.replace(reRegExpChar, '\\\\$&')\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the kebab cased string.\n\t     * @example\n\t     *\n\t     * _.kebabCase('Foo Bar');\n\t     * // => 'foo-bar'\n\t     *\n\t     * _.kebabCase('fooBar');\n\t     * // => 'foo-bar'\n\t     *\n\t     * _.kebabCase('__FOO_BAR__');\n\t     * // => 'foo-bar'\n\t     */\n\t    var kebabCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? '-' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Converts `string`, as space separated words, to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the lower cased string.\n\t     * @example\n\t     *\n\t     * _.lowerCase('--Foo-Bar--');\n\t     * // => 'foo bar'\n\t     *\n\t     * _.lowerCase('fooBar');\n\t     * // => 'foo bar'\n\t     *\n\t     * _.lowerCase('__FOO_BAR__');\n\t     * // => 'foo bar'\n\t     */\n\t    var lowerCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.lowerFirst('Fred');\n\t     * // => 'fred'\n\t     *\n\t     * _.lowerFirst('FRED');\n\t     * // => 'fRED'\n\t     */\n\t    var lowerFirst = createCaseFirst('toLowerCase');\n\t\n\t    /**\n\t     * Pads `string` on the left and right sides if it's shorter than `length`.\n\t     * Padding characters are truncated if they can't be evenly divided by `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.pad('abc', 8);\n\t     * // => '  abc   '\n\t     *\n\t     * _.pad('abc', 8, '_-');\n\t     * // => '_-abc_-_'\n\t     *\n\t     * _.pad('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function pad(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      if (!length || strLength >= length) {\n\t        return string;\n\t      }\n\t      var mid = (length - strLength) / 2;\n\t      return (\n\t        createPadding(nativeFloor(mid), chars) +\n\t        string +\n\t        createPadding(nativeCeil(mid), chars)\n\t      );\n\t    }\n\t\n\t    /**\n\t     * Pads `string` on the right side if it's shorter than `length`. Padding\n\t     * characters are truncated if they exceed `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.padEnd('abc', 6);\n\t     * // => 'abc   '\n\t     *\n\t     * _.padEnd('abc', 6, '_-');\n\t     * // => 'abc_-_'\n\t     *\n\t     * _.padEnd('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function padEnd(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      return (length && strLength < length)\n\t        ? (string + createPadding(length - strLength, chars))\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Pads `string` on the left side if it's shorter than `length`. Padding\n\t     * characters are truncated if they exceed `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.padStart('abc', 6);\n\t     * // => '   abc'\n\t     *\n\t     * _.padStart('abc', 6, '_-');\n\t     * // => '_-_abc'\n\t     *\n\t     * _.padStart('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function padStart(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      return (length && strLength < length)\n\t        ? (createPadding(length - strLength, chars) + string)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to an integer of the specified radix. If `radix` is\n\t     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n\t     * hexadecimal, in which case a `radix` of `16` is used.\n\t     *\n\t     * **Note:** This method aligns with the\n\t     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category String\n\t     * @param {string} string The string to convert.\n\t     * @param {number} [radix=10] The radix to interpret `value` by.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.parseInt('08');\n\t     * // => 8\n\t     *\n\t     * _.map(['6', '08', '10'], _.parseInt);\n\t     * // => [6, 8, 10]\n\t     */\n\t    function parseInt(string, radix, guard) {\n\t      if (guard || radix == null) {\n\t        radix = 0;\n\t      } else if (radix) {\n\t        radix = +radix;\n\t      }\n\t      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n\t    }\n\t\n\t    /**\n\t     * Repeats the given string `n` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to repeat.\n\t     * @param {number} [n=1] The number of times to repeat the string.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the repeated string.\n\t     * @example\n\t     *\n\t     * _.repeat('*', 3);\n\t     * // => '***'\n\t     *\n\t     * _.repeat('abc', 2);\n\t     * // => 'abcabc'\n\t     *\n\t     * _.repeat('abc', 0);\n\t     * // => ''\n\t     */\n\t    function repeat(string, n, guard) {\n\t      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n\t        n = 1;\n\t      } else {\n\t        n = toInteger(n);\n\t      }\n\t      return baseRepeat(toString(string), n);\n\t    }\n\t\n\t    /**\n\t     * Replaces matches for `pattern` in `string` with `replacement`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`String#replace`](https://mdn.io/String/replace).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to modify.\n\t     * @param {RegExp|string} pattern The pattern to replace.\n\t     * @param {Function|string} replacement The match replacement.\n\t     * @returns {string} Returns the modified string.\n\t     * @example\n\t     *\n\t     * _.replace('Hi Fred', 'Fred', 'Barney');\n\t     * // => 'Hi Barney'\n\t     */\n\t    function replace() {\n\t      var args = arguments,\n\t          string = toString(args[0]);\n\t\n\t      return args.length < 3 ? string : string.replace(args[1], args[2]);\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the snake cased string.\n\t     * @example\n\t     *\n\t     * _.snakeCase('Foo Bar');\n\t     * // => 'foo_bar'\n\t     *\n\t     * _.snakeCase('fooBar');\n\t     * // => 'foo_bar'\n\t     *\n\t     * _.snakeCase('--FOO-BAR--');\n\t     * // => 'foo_bar'\n\t     */\n\t    var snakeCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? '_' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Splits `string` by `separator`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`String#split`](https://mdn.io/String/split).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to split.\n\t     * @param {RegExp|string} separator The separator pattern to split by.\n\t     * @param {number} [limit] The length to truncate results to.\n\t     * @returns {Array} Returns the string segments.\n\t     * @example\n\t     *\n\t     * _.split('a-b-c', '-', 2);\n\t     * // => ['a', 'b']\n\t     */\n\t    function split(string, separator, limit) {\n\t      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n\t        separator = limit = undefined;\n\t      }\n\t      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n\t      if (!limit) {\n\t        return [];\n\t      }\n\t      string = toString(string);\n\t      if (string && (\n\t            typeof separator == 'string' ||\n\t            (separator != null && !isRegExp(separator))\n\t          )) {\n\t        separator = baseToString(separator);\n\t        if (!separator && hasUnicode(string)) {\n\t          return castSlice(stringToArray(string), 0, limit);\n\t        }\n\t      }\n\t      return string.split(separator, limit);\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.1.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the start cased string.\n\t     * @example\n\t     *\n\t     * _.startCase('--foo-bar--');\n\t     * // => 'Foo Bar'\n\t     *\n\t     * _.startCase('fooBar');\n\t     * // => 'Foo Bar'\n\t     *\n\t     * _.startCase('__FOO_BAR__');\n\t     * // => 'FOO BAR'\n\t     */\n\t    var startCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + upperFirst(word);\n\t    });\n\t\n\t    /**\n\t     * Checks if `string` starts with the given target string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {string} [target] The string to search for.\n\t     * @param {number} [position=0] The position to search from.\n\t     * @returns {boolean} Returns `true` if `string` starts with `target`,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.startsWith('abc', 'a');\n\t     * // => true\n\t     *\n\t     * _.startsWith('abc', 'b');\n\t     * // => false\n\t     *\n\t     * _.startsWith('abc', 'b', 1);\n\t     * // => true\n\t     */\n\t    function startsWith(string, target, position) {\n\t      string = toString(string);\n\t      position = position == null\n\t        ? 0\n\t        : baseClamp(toInteger(position), 0, string.length);\n\t\n\t      target = baseToString(target);\n\t      return string.slice(position, position + target.length) == target;\n\t    }\n\t\n\t    /**\n\t     * Creates a compiled template function that can interpolate data properties\n\t     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n\t     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n\t     * properties may be accessed as free variables in the template. If a setting\n\t     * object is given, it takes precedence over `_.templateSettings` values.\n\t     *\n\t     * **Note:** In the development build `_.template` utilizes\n\t     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n\t     * for easier debugging.\n\t     *\n\t     * For more information on precompiling templates see\n\t     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n\t     *\n\t     * For more information on Chrome extension sandboxes see\n\t     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category String\n\t     * @param {string} [string=''] The template string.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {RegExp} [options.escape=_.templateSettings.escape]\n\t     *  The HTML \"escape\" delimiter.\n\t     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n\t     *  The \"evaluate\" delimiter.\n\t     * @param {Object} [options.imports=_.templateSettings.imports]\n\t     *  An object to import into the template as free variables.\n\t     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n\t     *  The \"interpolate\" delimiter.\n\t     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n\t     *  The sourceURL of the compiled template.\n\t     * @param {string} [options.variable='obj']\n\t     *  The data object variable name.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the compiled template function.\n\t     * @example\n\t     *\n\t     * // Use the \"interpolate\" delimiter to create a compiled template.\n\t     * var compiled = _.template('hello <%= user %>!');\n\t     * compiled({ 'user': 'fred' });\n\t     * // => 'hello fred!'\n\t     *\n\t     * // Use the HTML \"escape\" delimiter to escape data property values.\n\t     * var compiled = _.template('<b><%- value %></b>');\n\t     * compiled({ 'value': '<script>' });\n\t     * // => '<b>&lt;script&gt;</b>'\n\t     *\n\t     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n\t     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n\t     * compiled({ 'users': ['fred', 'barney'] });\n\t     * // => '<li>fred</li><li>barney</li>'\n\t     *\n\t     * // Use the internal `print` function in \"evaluate\" delimiters.\n\t     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n\t     * compiled({ 'user': 'barney' });\n\t     * // => 'hello barney!'\n\t     *\n\t     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n\t     * // Disable support by replacing the \"interpolate\" delimiter.\n\t     * var compiled = _.template('hello ${ user }!');\n\t     * compiled({ 'user': 'pebbles' });\n\t     * // => 'hello pebbles!'\n\t     *\n\t     * // Use backslashes to treat delimiters as plain text.\n\t     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n\t     * compiled({ 'value': 'ignored' });\n\t     * // => '<%- value %>'\n\t     *\n\t     * // Use the `imports` option to import `jQuery` as `jq`.\n\t     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n\t     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n\t     * compiled({ 'users': ['fred', 'barney'] });\n\t     * // => '<li>fred</li><li>barney</li>'\n\t     *\n\t     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n\t     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n\t     * compiled(data);\n\t     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n\t     *\n\t     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n\t     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n\t     * compiled.source;\n\t     * // => function(data) {\n\t     * //   var __t, __p = '';\n\t     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n\t     * //   return __p;\n\t     * // }\n\t     *\n\t     * // Use custom template delimiters.\n\t     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n\t     * var compiled = _.template('hello {{ user }}!');\n\t     * compiled({ 'user': 'mustache' });\n\t     * // => 'hello mustache!'\n\t     *\n\t     * // Use the `source` property to inline compiled templates for meaningful\n\t     * // line numbers in error messages and stack traces.\n\t     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n\t     *   var JST = {\\\n\t     *     \"main\": ' + _.template(mainText).source + '\\\n\t     *   };\\\n\t     * ');\n\t     */\n\t    function template(string, options, guard) {\n\t      // Based on John Resig's `tmpl` implementation\n\t      // (http://ejohn.org/blog/javascript-micro-templating/)\n\t      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n\t      var settings = lodash.templateSettings;\n\t\n\t      if (guard && isIterateeCall(string, options, guard)) {\n\t        options = undefined;\n\t      }\n\t      string = toString(string);\n\t      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\t\n\t      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n\t          importsKeys = keys(imports),\n\t          importsValues = baseValues(imports, importsKeys);\n\t\n\t      var isEscaping,\n\t          isEvaluating,\n\t          index = 0,\n\t          interpolate = options.interpolate || reNoMatch,\n\t          source = \"__p += '\";\n\t\n\t      // Compile the regexp to match each delimiter.\n\t      var reDelimiters = RegExp(\n\t        (options.escape || reNoMatch).source + '|' +\n\t        interpolate.source + '|' +\n\t        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n\t        (options.evaluate || reNoMatch).source + '|$'\n\t      , 'g');\n\t\n\t      // Use a sourceURL for easier debugging.\n\t      var sourceURL = '//# sourceURL=' +\n\t        ('sourceURL' in options\n\t          ? options.sourceURL\n\t          : ('lodash.templateSources[' + (++templateCounter) + ']')\n\t        ) + '\\n';\n\t\n\t      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n\t        interpolateValue || (interpolateValue = esTemplateValue);\n\t\n\t        // Escape characters that can't be included in string literals.\n\t        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\t\n\t        // Replace delimiters with snippets.\n\t        if (escapeValue) {\n\t          isEscaping = true;\n\t          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n\t        }\n\t        if (evaluateValue) {\n\t          isEvaluating = true;\n\t          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n\t        }\n\t        if (interpolateValue) {\n\t          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n\t        }\n\t        index = offset + match.length;\n\t\n\t        // The JS engine embedded in Adobe products needs `match` returned in\n\t        // order to produce the correct `offset` value.\n\t        return match;\n\t      });\n\t\n\t      source += \"';\\n\";\n\t\n\t      // If `variable` is not specified wrap a with-statement around the generated\n\t      // code to add the data object to the top of the scope chain.\n\t      var variable = options.variable;\n\t      if (!variable) {\n\t        source = 'with (obj) {\\n' + source + '\\n}\\n';\n\t      }\n\t      // Cleanup code by stripping empty strings.\n\t      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n\t        .replace(reEmptyStringMiddle, '$1')\n\t        .replace(reEmptyStringTrailing, '$1;');\n\t\n\t      // Frame code as the function body.\n\t      source = 'function(' + (variable || 'obj') + ') {\\n' +\n\t        (variable\n\t          ? ''\n\t          : 'obj || (obj = {});\\n'\n\t        ) +\n\t        \"var __t, __p = ''\" +\n\t        (isEscaping\n\t           ? ', __e = _.escape'\n\t           : ''\n\t        ) +\n\t        (isEvaluating\n\t          ? ', __j = Array.prototype.join;\\n' +\n\t            \"function print() { __p += __j.call(arguments, '') }\\n\"\n\t          : ';\\n'\n\t        ) +\n\t        source +\n\t        'return __p\\n}';\n\t\n\t      var result = attempt(function() {\n\t        return Function(importsKeys, sourceURL + 'return ' + source)\n\t          .apply(undefined, importsValues);\n\t      });\n\t\n\t      // Provide the compiled function's source by its `toString` method or\n\t      // the `source` property as a convenience for inlining compiled templates.\n\t      result.source = source;\n\t      if (isError(result)) {\n\t        throw result;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as a whole, to lower case just like\n\t     * [String#toLowerCase](https://mdn.io/toLowerCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the lower cased string.\n\t     * @example\n\t     *\n\t     * _.toLower('--Foo-Bar--');\n\t     * // => '--foo-bar--'\n\t     *\n\t     * _.toLower('fooBar');\n\t     * // => 'foobar'\n\t     *\n\t     * _.toLower('__FOO_BAR__');\n\t     * // => '__foo_bar__'\n\t     */\n\t    function toLower(value) {\n\t      return toString(value).toLowerCase();\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as a whole, to upper case just like\n\t     * [String#toUpperCase](https://mdn.io/toUpperCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the upper cased string.\n\t     * @example\n\t     *\n\t     * _.toUpper('--foo-bar--');\n\t     * // => '--FOO-BAR--'\n\t     *\n\t     * _.toUpper('fooBar');\n\t     * // => 'FOOBAR'\n\t     *\n\t     * _.toUpper('__foo_bar__');\n\t     * // => '__FOO_BAR__'\n\t     */\n\t    function toUpper(value) {\n\t      return toString(value).toUpperCase();\n\t    }\n\t\n\t    /**\n\t     * Removes leading and trailing whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trim('  abc  ');\n\t     * // => 'abc'\n\t     *\n\t     * _.trim('-_-abc-_-', '_-');\n\t     * // => 'abc'\n\t     *\n\t     * _.map(['  foo  ', '  bar  '], _.trim);\n\t     * // => ['foo', 'bar']\n\t     */\n\t    function trim(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrim, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          chrSymbols = stringToArray(chars),\n\t          start = charsStartIndex(strSymbols, chrSymbols),\n\t          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\t\n\t      return castSlice(strSymbols, start, end).join('');\n\t    }\n\t\n\t    /**\n\t     * Removes trailing whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trimEnd('  abc  ');\n\t     * // => '  abc'\n\t     *\n\t     * _.trimEnd('-_-abc-_-', '_-');\n\t     * // => '-_-abc'\n\t     */\n\t    function trimEnd(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrimEnd, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\t\n\t      return castSlice(strSymbols, 0, end).join('');\n\t    }\n\t\n\t    /**\n\t     * Removes leading whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trimStart('  abc  ');\n\t     * // => 'abc  '\n\t     *\n\t     * _.trimStart('-_-abc-_-', '_-');\n\t     * // => 'abc-_-'\n\t     */\n\t    function trimStart(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrimStart, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          start = charsStartIndex(strSymbols, stringToArray(chars));\n\t\n\t      return castSlice(strSymbols, start).join('');\n\t    }\n\t\n\t    /**\n\t     * Truncates `string` if it's longer than the given maximum string length.\n\t     * The last characters of the truncated string are replaced with the omission\n\t     * string which defaults to \"...\".\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to truncate.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {number} [options.length=30] The maximum string length.\n\t     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n\t     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n\t     * @returns {string} Returns the truncated string.\n\t     * @example\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino');\n\t     * // => 'hi-diddly-ho there, neighbo...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'length': 24,\n\t     *   'separator': ' '\n\t     * });\n\t     * // => 'hi-diddly-ho there,...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'length': 24,\n\t     *   'separator': /,? +/\n\t     * });\n\t     * // => 'hi-diddly-ho there...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'omission': ' [...]'\n\t     * });\n\t     * // => 'hi-diddly-ho there, neig [...]'\n\t     */\n\t    function truncate(string, options) {\n\t      var length = DEFAULT_TRUNC_LENGTH,\n\t          omission = DEFAULT_TRUNC_OMISSION;\n\t\n\t      if (isObject(options)) {\n\t        var separator = 'separator' in options ? options.separator : separator;\n\t        length = 'length' in options ? toInteger(options.length) : length;\n\t        omission = 'omission' in options ? baseToString(options.omission) : omission;\n\t      }\n\t      string = toString(string);\n\t\n\t      var strLength = string.length;\n\t      if (hasUnicode(string)) {\n\t        var strSymbols = stringToArray(string);\n\t        strLength = strSymbols.length;\n\t      }\n\t      if (length >= strLength) {\n\t        return string;\n\t      }\n\t      var end = length - stringSize(omission);\n\t      if (end < 1) {\n\t        return omission;\n\t      }\n\t      var result = strSymbols\n\t        ? castSlice(strSymbols, 0, end).join('')\n\t        : string.slice(0, end);\n\t\n\t      if (separator === undefined) {\n\t        return result + omission;\n\t      }\n\t      if (strSymbols) {\n\t        end += (result.length - end);\n\t      }\n\t      if (isRegExp(separator)) {\n\t        if (string.slice(end).search(separator)) {\n\t          var match,\n\t              substring = result;\n\t\n\t          if (!separator.global) {\n\t            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n\t          }\n\t          separator.lastIndex = 0;\n\t          while ((match = separator.exec(substring))) {\n\t            var newEnd = match.index;\n\t          }\n\t          result = result.slice(0, newEnd === undefined ? end : newEnd);\n\t        }\n\t      } else if (string.indexOf(baseToString(separator), end) != end) {\n\t        var index = result.lastIndexOf(separator);\n\t        if (index > -1) {\n\t          result = result.slice(0, index);\n\t        }\n\t      }\n\t      return result + omission;\n\t    }\n\t\n\t    /**\n\t     * The inverse of `_.escape`; this method converts the HTML entities\n\t     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n\t     * their corresponding characters.\n\t     *\n\t     * **Note:** No other HTML entities are unescaped. To unescape additional\n\t     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.6.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to unescape.\n\t     * @returns {string} Returns the unescaped string.\n\t     * @example\n\t     *\n\t     * _.unescape('fred, barney, &amp; pebbles');\n\t     * // => 'fred, barney, & pebbles'\n\t     */\n\t    function unescape(string) {\n\t      string = toString(string);\n\t      return (string && reHasEscapedHtml.test(string))\n\t        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as space separated words, to upper case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the upper cased string.\n\t     * @example\n\t     *\n\t     * _.upperCase('--foo-bar');\n\t     * // => 'FOO BAR'\n\t     *\n\t     * _.upperCase('fooBar');\n\t     * // => 'FOO BAR'\n\t     *\n\t     * _.upperCase('__foo_bar__');\n\t     * // => 'FOO BAR'\n\t     */\n\t    var upperCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + word.toUpperCase();\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to upper case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.upperFirst('fred');\n\t     * // => 'Fred'\n\t     *\n\t     * _.upperFirst('FRED');\n\t     * // => 'FRED'\n\t     */\n\t    var upperFirst = createCaseFirst('toUpperCase');\n\t\n\t    /**\n\t     * Splits `string` into an array of its words.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {RegExp|string} [pattern] The pattern to match words.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the words of `string`.\n\t     * @example\n\t     *\n\t     * _.words('fred, barney, & pebbles');\n\t     * // => ['fred', 'barney', 'pebbles']\n\t     *\n\t     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n\t     * // => ['fred', 'barney', '&', 'pebbles']\n\t     */\n\t    function words(string, pattern, guard) {\n\t      string = toString(string);\n\t      pattern = guard ? undefined : pattern;\n\t\n\t      if (pattern === undefined) {\n\t        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n\t      }\n\t      return string.match(pattern) || [];\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Attempts to invoke `func`, returning either the result or the caught error\n\t     * object. Any additional arguments are provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Function} func The function to attempt.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {*} Returns the `func` result or error object.\n\t     * @example\n\t     *\n\t     * // Avoid throwing errors for invalid selectors.\n\t     * var elements = _.attempt(function(selector) {\n\t     *   return document.querySelectorAll(selector);\n\t     * }, '>_>');\n\t     *\n\t     * if (_.isError(elements)) {\n\t     *   elements = [];\n\t     * }\n\t     */\n\t    var attempt = baseRest(function(func, args) {\n\t      try {\n\t        return apply(func, undefined, args);\n\t      } catch (e) {\n\t        return isError(e) ? e : new Error(e);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Binds methods of an object to the object itself, overwriting the existing\n\t     * method.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of bound functions.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {Object} object The object to bind and assign the bound methods to.\n\t     * @param {...(string|string[])} methodNames The object method names to bind.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var view = {\n\t     *   'label': 'docs',\n\t     *   'click': function() {\n\t     *     console.log('clicked ' + this.label);\n\t     *   }\n\t     * };\n\t     *\n\t     * _.bindAll(view, ['click']);\n\t     * jQuery(element).on('click', view.click);\n\t     * // => Logs 'clicked docs' when clicked.\n\t     */\n\t    var bindAll = flatRest(function(object, methodNames) {\n\t      arrayEach(methodNames, function(key) {\n\t        key = toKey(key);\n\t        baseAssignValue(object, key, bind(object[key], object));\n\t      });\n\t      return object;\n\t    });\n\t\n\t    /**\n\t     * Creates a function that iterates over `pairs` and invokes the corresponding\n\t     * function of the first predicate to return truthy. The predicate-function\n\t     * pairs are invoked with the `this` binding and arguments of the created\n\t     * function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {Array} pairs The predicate-function pairs.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @example\n\t     *\n\t     * var func = _.cond([\n\t     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n\t     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n\t     *   [_.stubTrue,                      _.constant('no match')]\n\t     * ]);\n\t     *\n\t     * func({ 'a': 1, 'b': 2 });\n\t     * // => 'matches A'\n\t     *\n\t     * func({ 'a': 0, 'b': 1 });\n\t     * // => 'matches B'\n\t     *\n\t     * func({ 'a': '1', 'b': '2' });\n\t     * // => 'no match'\n\t     */\n\t    function cond(pairs) {\n\t      var length = pairs == null ? 0 : pairs.length,\n\t          toIteratee = getIteratee();\n\t\n\t      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n\t        if (typeof pair[1] != 'function') {\n\t          throw new TypeError(FUNC_ERROR_TEXT);\n\t        }\n\t        return [toIteratee(pair[0]), pair[1]];\n\t      });\n\t\n\t      return baseRest(function(args) {\n\t        var index = -1;\n\t        while (++index < length) {\n\t          var pair = pairs[index];\n\t          if (apply(pair[0], this, args)) {\n\t            return apply(pair[1], this, args);\n\t          }\n\t        }\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes the predicate properties of `source` with\n\t     * the corresponding property values of a given object, returning `true` if\n\t     * all predicates return truthy, else `false`.\n\t     *\n\t     * **Note:** The created function is equivalent to `_.conformsTo` with\n\t     * `source` partially applied.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 2, 'b': 1 },\n\t     *   { 'a': 1, 'b': 2 }\n\t     * ];\n\t     *\n\t     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n\t     * // => [{ 'a': 1, 'b': 2 }]\n\t     */\n\t    function conforms(source) {\n\t      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that returns `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Util\n\t     * @param {*} value The value to return from the new function.\n\t     * @returns {Function} Returns the new constant function.\n\t     * @example\n\t     *\n\t     * var objects = _.times(2, _.constant({ 'a': 1 }));\n\t     *\n\t     * console.log(objects);\n\t     * // => [{ 'a': 1 }, { 'a': 1 }]\n\t     *\n\t     * console.log(objects[0] === objects[1]);\n\t     * // => true\n\t     */\n\t    function constant(value) {\n\t      return function() {\n\t        return value;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Checks `value` to determine whether a default value should be returned in\n\t     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n\t     * or `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.14.0\n\t     * @category Util\n\t     * @param {*} value The value to check.\n\t     * @param {*} defaultValue The default value.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * _.defaultTo(1, 10);\n\t     * // => 1\n\t     *\n\t     * _.defaultTo(undefined, 10);\n\t     * // => 10\n\t     */\n\t    function defaultTo(value, defaultValue) {\n\t      return (value == null || value !== value) ? defaultValue : value;\n\t    }\n\t\n\t    /**\n\t     * Creates a function that returns the result of invoking the given functions\n\t     * with the `this` binding of the created function, where each successive\n\t     * invocation is supplied the return value of the previous.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @see _.flowRight\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var addSquare = _.flow([_.add, square]);\n\t     * addSquare(1, 2);\n\t     * // => 9\n\t     */\n\t    var flow = createFlow();\n\t\n\t    /**\n\t     * This method is like `_.flow` except that it creates a function that\n\t     * invokes the given functions from right to left.\n\t     *\n\t     * @static\n\t     * @since 3.0.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @see _.flow\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var addSquare = _.flowRight([square, _.add]);\n\t     * addSquare(1, 2);\n\t     * // => 9\n\t     */\n\t    var flowRight = createFlow(true);\n\t\n\t    /**\n\t     * This method returns the first argument it receives.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {*} value Any value.\n\t     * @returns {*} Returns `value`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     *\n\t     * console.log(_.identity(object) === object);\n\t     * // => true\n\t     */\n\t    function identity(value) {\n\t      return value;\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the arguments of the created\n\t     * function. If `func` is a property name, the created function returns the\n\t     * property value for a given element. If `func` is an array or object, the\n\t     * created function returns `true` for elements that contain the equivalent\n\t     * source properties, otherwise it returns `false`.\n\t     *\n\t     * @static\n\t     * @since 4.0.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {*} [func=_.identity] The value to convert to a callback.\n\t     * @returns {Function} Returns the callback.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': true },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n\t     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.filter(users, _.iteratee(['user', 'fred']));\n\t     * // => [{ 'user': 'fred', 'age': 40 }]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.map(users, _.iteratee('user'));\n\t     * // => ['barney', 'fred']\n\t     *\n\t     * // Create custom iteratee shorthands.\n\t     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n\t     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n\t     *     return func.test(string);\n\t     *   };\n\t     * });\n\t     *\n\t     * _.filter(['abc', 'def'], /ef/);\n\t     * // => ['def']\n\t     */\n\t    function iteratee(func) {\n\t      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a partial deep comparison between a given\n\t     * object and `source`, returning `true` if the given object has equivalent\n\t     * property values, else `false`.\n\t     *\n\t     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n\t     * partially applied.\n\t     *\n\t     * Partial comparisons will match empty array and empty object `source`\n\t     * values against any array or object value, respectively. See `_.isEqual`\n\t     * for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 1, 'b': 2, 'c': 3 },\n\t     *   { 'a': 4, 'b': 5, 'c': 6 }\n\t     * ];\n\t     *\n\t     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n\t     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n\t     */\n\t    function matches(source) {\n\t      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a partial deep comparison between the\n\t     * value at `path` of a given object to `srcValue`, returning `true` if the\n\t     * object value is equivalent, else `false`.\n\t     *\n\t     * **Note:** Partial comparisons will match empty array and empty object\n\t     * `srcValue` values against any array or object value, respectively. See\n\t     * `_.isEqual` for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 1, 'b': 2, 'c': 3 },\n\t     *   { 'a': 4, 'b': 5, 'c': 6 }\n\t     * ];\n\t     *\n\t     * _.find(objects, _.matchesProperty('a', 4));\n\t     * // => { 'a': 4, 'b': 5, 'c': 6 }\n\t     */\n\t    function matchesProperty(path, srcValue) {\n\t      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes the method at `path` of a given object.\n\t     * Any additional arguments are provided to the invoked method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {Function} Returns the new invoker function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': { 'b': _.constant(2) } },\n\t     *   { 'a': { 'b': _.constant(1) } }\n\t     * ];\n\t     *\n\t     * _.map(objects, _.method('a.b'));\n\t     * // => [2, 1]\n\t     *\n\t     * _.map(objects, _.method(['a', 'b']));\n\t     * // => [2, 1]\n\t     */\n\t    var method = baseRest(function(path, args) {\n\t      return function(object) {\n\t        return baseInvoke(object, path, args);\n\t      };\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.method`; this method creates a function that invokes\n\t     * the method at a given path of `object`. Any additional arguments are\n\t     * provided to the invoked method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Util\n\t     * @param {Object} object The object to query.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {Function} Returns the new invoker function.\n\t     * @example\n\t     *\n\t     * var array = _.times(3, _.constant),\n\t     *     object = { 'a': array, 'b': array, 'c': array };\n\t     *\n\t     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n\t     * // => [2, 0]\n\t     *\n\t     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n\t     * // => [2, 0]\n\t     */\n\t    var methodOf = baseRest(function(object, args) {\n\t      return function(path) {\n\t        return baseInvoke(object, path, args);\n\t      };\n\t    });\n\t\n\t    /**\n\t     * Adds all own enumerable string keyed function properties of a source\n\t     * object to the destination object. If `object` is a function, then methods\n\t     * are added to its prototype as well.\n\t     *\n\t     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n\t     * avoid conflicts caused by modifying the original.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {Function|Object} [object=lodash] The destination object.\n\t     * @param {Object} source The object of functions to add.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n\t     * @returns {Function|Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * function vowels(string) {\n\t     *   return _.filter(string, function(v) {\n\t     *     return /[aeiou]/i.test(v);\n\t     *   });\n\t     * }\n\t     *\n\t     * _.mixin({ 'vowels': vowels });\n\t     * _.vowels('fred');\n\t     * // => ['e']\n\t     *\n\t     * _('fred').vowels().value();\n\t     * // => ['e']\n\t     *\n\t     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n\t     * _('fred').vowels();\n\t     * // => ['e']\n\t     */\n\t    function mixin(object, source, options) {\n\t      var props = keys(source),\n\t          methodNames = baseFunctions(source, props);\n\t\n\t      if (options == null &&\n\t          !(isObject(source) && (methodNames.length || !props.length))) {\n\t        options = source;\n\t        source = object;\n\t        object = this;\n\t        methodNames = baseFunctions(source, keys(source));\n\t      }\n\t      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n\t          isFunc = isFunction(object);\n\t\n\t      arrayEach(methodNames, function(methodName) {\n\t        var func = source[methodName];\n\t        object[methodName] = func;\n\t        if (isFunc) {\n\t          object.prototype[methodName] = function() {\n\t            var chainAll = this.__chain__;\n\t            if (chain || chainAll) {\n\t              var result = object(this.__wrapped__),\n\t                  actions = result.__actions__ = copyArray(this.__actions__);\n\t\n\t              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n\t              result.__chain__ = chainAll;\n\t              return result;\n\t            }\n\t            return func.apply(object, arrayPush([this.value()], arguments));\n\t          };\n\t        }\n\t      });\n\t\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Reverts the `_` variable to its previous value and returns a reference to\n\t     * the `lodash` function.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @returns {Function} Returns the `lodash` function.\n\t     * @example\n\t     *\n\t     * var lodash = _.noConflict();\n\t     */\n\t    function noConflict() {\n\t      if (root._ === this) {\n\t        root._ = oldDash;\n\t      }\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * This method returns `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.3.0\n\t     * @category Util\n\t     * @example\n\t     *\n\t     * _.times(2, _.noop);\n\t     * // => [undefined, undefined]\n\t     */\n\t    function noop() {\n\t      // No operation performed.\n\t    }\n\t\n\t    /**\n\t     * Creates a function that gets the argument at index `n`. If `n` is negative,\n\t     * the nth argument from the end is returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {number} [n=0] The index of the argument to return.\n\t     * @returns {Function} Returns the new pass-thru function.\n\t     * @example\n\t     *\n\t     * var func = _.nthArg(1);\n\t     * func('a', 'b', 'c', 'd');\n\t     * // => 'b'\n\t     *\n\t     * var func = _.nthArg(-2);\n\t     * func('a', 'b', 'c', 'd');\n\t     * // => 'c'\n\t     */\n\t    function nthArg(n) {\n\t      n = toInteger(n);\n\t      return baseRest(function(args) {\n\t        return baseNth(args, n);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `iteratees` with the arguments it receives\n\t     * and returns their results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n\t     *  The iteratees to invoke.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.over([Math.max, Math.min]);\n\t     *\n\t     * func(1, 2, 3, 4);\n\t     * // => [4, 1]\n\t     */\n\t    var over = createOver(arrayMap);\n\t\n\t    /**\n\t     * Creates a function that checks if **all** of the `predicates` return\n\t     * truthy when invoked with the arguments it receives.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [predicates=[_.identity]]\n\t     *  The predicates to check.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.overEvery([Boolean, isFinite]);\n\t     *\n\t     * func('1');\n\t     * // => true\n\t     *\n\t     * func(null);\n\t     * // => false\n\t     *\n\t     * func(NaN);\n\t     * // => false\n\t     */\n\t    var overEvery = createOver(arrayEvery);\n\t\n\t    /**\n\t     * Creates a function that checks if **any** of the `predicates` return\n\t     * truthy when invoked with the arguments it receives.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [predicates=[_.identity]]\n\t     *  The predicates to check.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.overSome([Boolean, isFinite]);\n\t     *\n\t     * func('1');\n\t     * // => true\n\t     *\n\t     * func(null);\n\t     * // => true\n\t     *\n\t     * func(NaN);\n\t     * // => false\n\t     */\n\t    var overSome = createOver(arraySome);\n\t\n\t    /**\n\t     * Creates a function that returns the value at `path` of a given object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {Function} Returns the new accessor function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': { 'b': 2 } },\n\t     *   { 'a': { 'b': 1 } }\n\t     * ];\n\t     *\n\t     * _.map(objects, _.property('a.b'));\n\t     * // => [2, 1]\n\t     *\n\t     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n\t     * // => [1, 2]\n\t     */\n\t    function property(path) {\n\t      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.property`; this method creates a function that returns\n\t     * the value at a given path of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Object} object The object to query.\n\t     * @returns {Function} Returns the new accessor function.\n\t     * @example\n\t     *\n\t     * var array = [0, 1, 2],\n\t     *     object = { 'a': array, 'b': array, 'c': array };\n\t     *\n\t     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n\t     * // => [2, 0]\n\t     *\n\t     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n\t     * // => [2, 0]\n\t     */\n\t    function propertyOf(object) {\n\t      return function(path) {\n\t        return object == null ? undefined : baseGet(object, path);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates an array of numbers (positive and/or negative) progressing from\n\t     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n\t     * `start` is specified without an `end` or `step`. If `end` is not specified,\n\t     * it's set to `start` with `start` then set to `0`.\n\t     *\n\t     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t     * floating-point values which can produce unexpected results.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} [step=1] The value to increment or decrement by.\n\t     * @returns {Array} Returns the range of numbers.\n\t     * @see _.inRange, _.rangeRight\n\t     * @example\n\t     *\n\t     * _.range(4);\n\t     * // => [0, 1, 2, 3]\n\t     *\n\t     * _.range(-4);\n\t     * // => [0, -1, -2, -3]\n\t     *\n\t     * _.range(1, 5);\n\t     * // => [1, 2, 3, 4]\n\t     *\n\t     * _.range(0, 20, 5);\n\t     * // => [0, 5, 10, 15]\n\t     *\n\t     * _.range(0, -4, -1);\n\t     * // => [0, -1, -2, -3]\n\t     *\n\t     * _.range(1, 4, 0);\n\t     * // => [1, 1, 1]\n\t     *\n\t     * _.range(0);\n\t     * // => []\n\t     */\n\t    var range = createRange();\n\t\n\t    /**\n\t     * This method is like `_.range` except that it populates values in\n\t     * descending order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} [step=1] The value to increment or decrement by.\n\t     * @returns {Array} Returns the range of numbers.\n\t     * @see _.inRange, _.range\n\t     * @example\n\t     *\n\t     * _.rangeRight(4);\n\t     * // => [3, 2, 1, 0]\n\t     *\n\t     * _.rangeRight(-4);\n\t     * // => [-3, -2, -1, 0]\n\t     *\n\t     * _.rangeRight(1, 5);\n\t     * // => [4, 3, 2, 1]\n\t     *\n\t     * _.rangeRight(0, 20, 5);\n\t     * // => [15, 10, 5, 0]\n\t     *\n\t     * _.rangeRight(0, -4, -1);\n\t     * // => [-3, -2, -1, 0]\n\t     *\n\t     * _.rangeRight(1, 4, 0);\n\t     * // => [1, 1, 1]\n\t     *\n\t     * _.rangeRight(0);\n\t     * // => []\n\t     */\n\t    var rangeRight = createRange(true);\n\t\n\t    /**\n\t     * This method returns a new empty array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {Array} Returns the new empty array.\n\t     * @example\n\t     *\n\t     * var arrays = _.times(2, _.stubArray);\n\t     *\n\t     * console.log(arrays);\n\t     * // => [[], []]\n\t     *\n\t     * console.log(arrays[0] === arrays[1]);\n\t     * // => false\n\t     */\n\t    function stubArray() {\n\t      return [];\n\t    }\n\t\n\t    /**\n\t     * This method returns `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {boolean} Returns `false`.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubFalse);\n\t     * // => [false, false]\n\t     */\n\t    function stubFalse() {\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * This method returns a new empty object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {Object} Returns the new empty object.\n\t     * @example\n\t     *\n\t     * var objects = _.times(2, _.stubObject);\n\t     *\n\t     * console.log(objects);\n\t     * // => [{}, {}]\n\t     *\n\t     * console.log(objects[0] === objects[1]);\n\t     * // => false\n\t     */\n\t    function stubObject() {\n\t      return {};\n\t    }\n\t\n\t    /**\n\t     * This method returns an empty string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {string} Returns the empty string.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubString);\n\t     * // => ['', '']\n\t     */\n\t    function stubString() {\n\t      return '';\n\t    }\n\t\n\t    /**\n\t     * This method returns `true`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {boolean} Returns `true`.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubTrue);\n\t     * // => [true, true]\n\t     */\n\t    function stubTrue() {\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Invokes the iteratee `n` times, returning an array of the results of\n\t     * each invocation. The iteratee is invoked with one argument; (index).\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {number} n The number of times to invoke `iteratee`.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the array of results.\n\t     * @example\n\t     *\n\t     * _.times(3, String);\n\t     * // => ['0', '1', '2']\n\t     *\n\t     *  _.times(4, _.constant(0));\n\t     * // => [0, 0, 0, 0]\n\t     */\n\t    function times(n, iteratee) {\n\t      n = toInteger(n);\n\t      if (n < 1 || n > MAX_SAFE_INTEGER) {\n\t        return [];\n\t      }\n\t      var index = MAX_ARRAY_LENGTH,\n\t          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\t\n\t      iteratee = getIteratee(iteratee);\n\t      n -= MAX_ARRAY_LENGTH;\n\t\n\t      var result = baseTimes(length, iteratee);\n\t      while (++index < n) {\n\t        iteratee(index);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a property path array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {*} value The value to convert.\n\t     * @returns {Array} Returns the new property path array.\n\t     * @example\n\t     *\n\t     * _.toPath('a.b.c');\n\t     * // => ['a', 'b', 'c']\n\t     *\n\t     * _.toPath('a[0].b.c');\n\t     * // => ['a', '0', 'b', 'c']\n\t     */\n\t    function toPath(value) {\n\t      if (isArray(value)) {\n\t        return arrayMap(value, toKey);\n\t      }\n\t      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n\t    }\n\t\n\t    /**\n\t     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {string} [prefix=''] The value to prefix the ID with.\n\t     * @returns {string} Returns the unique ID.\n\t     * @example\n\t     *\n\t     * _.uniqueId('contact_');\n\t     * // => 'contact_104'\n\t     *\n\t     * _.uniqueId();\n\t     * // => '105'\n\t     */\n\t    function uniqueId(prefix) {\n\t      var id = ++idCounter;\n\t      return toString(prefix) + id;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Adds two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.4.0\n\t     * @category Math\n\t     * @param {number} augend The first number in an addition.\n\t     * @param {number} addend The second number in an addition.\n\t     * @returns {number} Returns the total.\n\t     * @example\n\t     *\n\t     * _.add(6, 4);\n\t     * // => 10\n\t     */\n\t    var add = createMathOperation(function(augend, addend) {\n\t      return augend + addend;\n\t    }, 0);\n\t\n\t    /**\n\t     * Computes `number` rounded up to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round up.\n\t     * @param {number} [precision=0] The precision to round up to.\n\t     * @returns {number} Returns the rounded up number.\n\t     * @example\n\t     *\n\t     * _.ceil(4.006);\n\t     * // => 5\n\t     *\n\t     * _.ceil(6.004, 2);\n\t     * // => 6.01\n\t     *\n\t     * _.ceil(6040, -2);\n\t     * // => 6100\n\t     */\n\t    var ceil = createRound('ceil');\n\t\n\t    /**\n\t     * Divide two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {number} dividend The first number in a division.\n\t     * @param {number} divisor The second number in a division.\n\t     * @returns {number} Returns the quotient.\n\t     * @example\n\t     *\n\t     * _.divide(6, 4);\n\t     * // => 1.5\n\t     */\n\t    var divide = createMathOperation(function(dividend, divisor) {\n\t      return dividend / divisor;\n\t    }, 1);\n\t\n\t    /**\n\t     * Computes `number` rounded down to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round down.\n\t     * @param {number} [precision=0] The precision to round down to.\n\t     * @returns {number} Returns the rounded down number.\n\t     * @example\n\t     *\n\t     * _.floor(4.006);\n\t     * // => 4\n\t     *\n\t     * _.floor(0.046, 2);\n\t     * // => 0.04\n\t     *\n\t     * _.floor(4060, -2);\n\t     * // => 4000\n\t     */\n\t    var floor = createRound('floor');\n\t\n\t    /**\n\t     * Computes the maximum value of `array`. If `array` is empty or falsey,\n\t     * `undefined` is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {*} Returns the maximum value.\n\t     * @example\n\t     *\n\t     * _.max([4, 2, 8, 6]);\n\t     * // => 8\n\t     *\n\t     * _.max([]);\n\t     * // => undefined\n\t     */\n\t    function max(array) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, identity, baseGt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.max` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * the value is ranked. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {*} Returns the maximum value.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n\t     *\n\t     * _.maxBy(objects, function(o) { return o.n; });\n\t     * // => { 'n': 2 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.maxBy(objects, 'n');\n\t     * // => { 'n': 2 }\n\t     */\n\t    function maxBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * Computes the mean of the values in `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {number} Returns the mean.\n\t     * @example\n\t     *\n\t     * _.mean([4, 2, 8, 6]);\n\t     * // => 5\n\t     */\n\t    function mean(array) {\n\t      return baseMean(array, identity);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.mean` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the value to be averaged.\n\t     * The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the mean.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n\t     *\n\t     * _.meanBy(objects, function(o) { return o.n; });\n\t     * // => 5\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.meanBy(objects, 'n');\n\t     * // => 5\n\t     */\n\t    function meanBy(array, iteratee) {\n\t      return baseMean(array, getIteratee(iteratee, 2));\n\t    }\n\t\n\t    /**\n\t     * Computes the minimum value of `array`. If `array` is empty or falsey,\n\t     * `undefined` is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {*} Returns the minimum value.\n\t     * @example\n\t     *\n\t     * _.min([4, 2, 8, 6]);\n\t     * // => 2\n\t     *\n\t     * _.min([]);\n\t     * // => undefined\n\t     */\n\t    function min(array) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, identity, baseLt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.min` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * the value is ranked. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {*} Returns the minimum value.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n\t     *\n\t     * _.minBy(objects, function(o) { return o.n; });\n\t     * // => { 'n': 1 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.minBy(objects, 'n');\n\t     * // => { 'n': 1 }\n\t     */\n\t    function minBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * Multiply two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {number} multiplier The first number in a multiplication.\n\t     * @param {number} multiplicand The second number in a multiplication.\n\t     * @returns {number} Returns the product.\n\t     * @example\n\t     *\n\t     * _.multiply(6, 4);\n\t     * // => 24\n\t     */\n\t    var multiply = createMathOperation(function(multiplier, multiplicand) {\n\t      return multiplier * multiplicand;\n\t    }, 1);\n\t\n\t    /**\n\t     * Computes `number` rounded to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round.\n\t     * @param {number} [precision=0] The precision to round to.\n\t     * @returns {number} Returns the rounded number.\n\t     * @example\n\t     *\n\t     * _.round(4.006);\n\t     * // => 4\n\t     *\n\t     * _.round(4.006, 2);\n\t     * // => 4.01\n\t     *\n\t     * _.round(4060, -2);\n\t     * // => 4100\n\t     */\n\t    var round = createRound('round');\n\t\n\t    /**\n\t     * Subtract two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {number} minuend The first number in a subtraction.\n\t     * @param {number} subtrahend The second number in a subtraction.\n\t     * @returns {number} Returns the difference.\n\t     * @example\n\t     *\n\t     * _.subtract(6, 4);\n\t     * // => 2\n\t     */\n\t    var subtract = createMathOperation(function(minuend, subtrahend) {\n\t      return minuend - subtrahend;\n\t    }, 0);\n\t\n\t    /**\n\t     * Computes the sum of the values in `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.4.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {number} Returns the sum.\n\t     * @example\n\t     *\n\t     * _.sum([4, 2, 8, 6]);\n\t     * // => 20\n\t     */\n\t    function sum(array) {\n\t      return (array && array.length)\n\t        ? baseSum(array, identity)\n\t        : 0;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sum` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the value to be summed.\n\t     * The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the sum.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n\t     *\n\t     * _.sumBy(objects, function(o) { return o.n; });\n\t     * // => 20\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sumBy(objects, 'n');\n\t     * // => 20\n\t     */\n\t    function sumBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseSum(array, getIteratee(iteratee, 2))\n\t        : 0;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    // Add methods that return wrapped values in chain sequences.\n\t    lodash.after = after;\n\t    lodash.ary = ary;\n\t    lodash.assign = assign;\n\t    lodash.assignIn = assignIn;\n\t    lodash.assignInWith = assignInWith;\n\t    lodash.assignWith = assignWith;\n\t    lodash.at = at;\n\t    lodash.before = before;\n\t    lodash.bind = bind;\n\t    lodash.bindAll = bindAll;\n\t    lodash.bindKey = bindKey;\n\t    lodash.castArray = castArray;\n\t    lodash.chain = chain;\n\t    lodash.chunk = chunk;\n\t    lodash.compact = compact;\n\t    lodash.concat = concat;\n\t    lodash.cond = cond;\n\t    lodash.conforms = conforms;\n\t    lodash.constant = constant;\n\t    lodash.countBy = countBy;\n\t    lodash.create = create;\n\t    lodash.curry = curry;\n\t    lodash.curryRight = curryRight;\n\t    lodash.debounce = debounce;\n\t    lodash.defaults = defaults;\n\t    lodash.defaultsDeep = defaultsDeep;\n\t    lodash.defer = defer;\n\t    lodash.delay = delay;\n\t    lodash.difference = difference;\n\t    lodash.differenceBy = differenceBy;\n\t    lodash.differenceWith = differenceWith;\n\t    lodash.drop = drop;\n\t    lodash.dropRight = dropRight;\n\t    lodash.dropRightWhile = dropRightWhile;\n\t    lodash.dropWhile = dropWhile;\n\t    lodash.fill = fill;\n\t    lodash.filter = filter;\n\t    lodash.flatMap = flatMap;\n\t    lodash.flatMapDeep = flatMapDeep;\n\t    lodash.flatMapDepth = flatMapDepth;\n\t    lodash.flatten = flatten;\n\t    lodash.flattenDeep = flattenDeep;\n\t    lodash.flattenDepth = flattenDepth;\n\t    lodash.flip = flip;\n\t    lodash.flow = flow;\n\t    lodash.flowRight = flowRight;\n\t    lodash.fromPairs = fromPairs;\n\t    lodash.functions = functions;\n\t    lodash.functionsIn = functionsIn;\n\t    lodash.groupBy = groupBy;\n\t    lodash.initial = initial;\n\t    lodash.intersection = intersection;\n\t    lodash.intersectionBy = intersectionBy;\n\t    lodash.intersectionWith = intersectionWith;\n\t    lodash.invert = invert;\n\t    lodash.invertBy = invertBy;\n\t    lodash.invokeMap = invokeMap;\n\t    lodash.iteratee = iteratee;\n\t    lodash.keyBy = keyBy;\n\t    lodash.keys = keys;\n\t    lodash.keysIn = keysIn;\n\t    lodash.map = map;\n\t    lodash.mapKeys = mapKeys;\n\t    lodash.mapValues = mapValues;\n\t    lodash.matches = matches;\n\t    lodash.matchesProperty = matchesProperty;\n\t    lodash.memoize = memoize;\n\t    lodash.merge = merge;\n\t    lodash.mergeWith = mergeWith;\n\t    lodash.method = method;\n\t    lodash.methodOf = methodOf;\n\t    lodash.mixin = mixin;\n\t    lodash.negate = negate;\n\t    lodash.nthArg = nthArg;\n\t    lodash.omit = omit;\n\t    lodash.omitBy = omitBy;\n\t    lodash.once = once;\n\t    lodash.orderBy = orderBy;\n\t    lodash.over = over;\n\t    lodash.overArgs = overArgs;\n\t    lodash.overEvery = overEvery;\n\t    lodash.overSome = overSome;\n\t    lodash.partial = partial;\n\t    lodash.partialRight = partialRight;\n\t    lodash.partition = partition;\n\t    lodash.pick = pick;\n\t    lodash.pickBy = pickBy;\n\t    lodash.property = property;\n\t    lodash.propertyOf = propertyOf;\n\t    lodash.pull = pull;\n\t    lodash.pullAll = pullAll;\n\t    lodash.pullAllBy = pullAllBy;\n\t    lodash.pullAllWith = pullAllWith;\n\t    lodash.pullAt = pullAt;\n\t    lodash.range = range;\n\t    lodash.rangeRight = rangeRight;\n\t    lodash.rearg = rearg;\n\t    lodash.reject = reject;\n\t    lodash.remove = remove;\n\t    lodash.rest = rest;\n\t    lodash.reverse = reverse;\n\t    lodash.sampleSize = sampleSize;\n\t    lodash.set = set;\n\t    lodash.setWith = setWith;\n\t    lodash.shuffle = shuffle;\n\t    lodash.slice = slice;\n\t    lodash.sortBy = sortBy;\n\t    lodash.sortedUniq = sortedUniq;\n\t    lodash.sortedUniqBy = sortedUniqBy;\n\t    lodash.split = split;\n\t    lodash.spread = spread;\n\t    lodash.tail = tail;\n\t    lodash.take = take;\n\t    lodash.takeRight = takeRight;\n\t    lodash.takeRightWhile = takeRightWhile;\n\t    lodash.takeWhile = takeWhile;\n\t    lodash.tap = tap;\n\t    lodash.throttle = throttle;\n\t    lodash.thru = thru;\n\t    lodash.toArray = toArray;\n\t    lodash.toPairs = toPairs;\n\t    lodash.toPairsIn = toPairsIn;\n\t    lodash.toPath = toPath;\n\t    lodash.toPlainObject = toPlainObject;\n\t    lodash.transform = transform;\n\t    lodash.unary = unary;\n\t    lodash.union = union;\n\t    lodash.unionBy = unionBy;\n\t    lodash.unionWith = unionWith;\n\t    lodash.uniq = uniq;\n\t    lodash.uniqBy = uniqBy;\n\t    lodash.uniqWith = uniqWith;\n\t    lodash.unset = unset;\n\t    lodash.unzip = unzip;\n\t    lodash.unzipWith = unzipWith;\n\t    lodash.update = update;\n\t    lodash.updateWith = updateWith;\n\t    lodash.values = values;\n\t    lodash.valuesIn = valuesIn;\n\t    lodash.without = without;\n\t    lodash.words = words;\n\t    lodash.wrap = wrap;\n\t    lodash.xor = xor;\n\t    lodash.xorBy = xorBy;\n\t    lodash.xorWith = xorWith;\n\t    lodash.zip = zip;\n\t    lodash.zipObject = zipObject;\n\t    lodash.zipObjectDeep = zipObjectDeep;\n\t    lodash.zipWith = zipWith;\n\t\n\t    // Add aliases.\n\t    lodash.entries = toPairs;\n\t    lodash.entriesIn = toPairsIn;\n\t    lodash.extend = assignIn;\n\t    lodash.extendWith = assignInWith;\n\t\n\t    // Add methods to `lodash.prototype`.\n\t    mixin(lodash, lodash);\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    // Add methods that return unwrapped values in chain sequences.\n\t    lodash.add = add;\n\t    lodash.attempt = attempt;\n\t    lodash.camelCase = camelCase;\n\t    lodash.capitalize = capitalize;\n\t    lodash.ceil = ceil;\n\t    lodash.clamp = clamp;\n\t    lodash.clone = clone;\n\t    lodash.cloneDeep = cloneDeep;\n\t    lodash.cloneDeepWith = cloneDeepWith;\n\t    lodash.cloneWith = cloneWith;\n\t    lodash.conformsTo = conformsTo;\n\t    lodash.deburr = deburr;\n\t    lodash.defaultTo = defaultTo;\n\t    lodash.divide = divide;\n\t    lodash.endsWith = endsWith;\n\t    lodash.eq = eq;\n\t    lodash.escape = escape;\n\t    lodash.escapeRegExp = escapeRegExp;\n\t    lodash.every = every;\n\t    lodash.find = find;\n\t    lodash.findIndex = findIndex;\n\t    lodash.findKey = findKey;\n\t    lodash.findLast = findLast;\n\t    lodash.findLastIndex = findLastIndex;\n\t    lodash.findLastKey = findLastKey;\n\t    lodash.floor = floor;\n\t    lodash.forEach = forEach;\n\t    lodash.forEachRight = forEachRight;\n\t    lodash.forIn = forIn;\n\t    lodash.forInRight = forInRight;\n\t    lodash.forOwn = forOwn;\n\t    lodash.forOwnRight = forOwnRight;\n\t    lodash.get = get;\n\t    lodash.gt = gt;\n\t    lodash.gte = gte;\n\t    lodash.has = has;\n\t    lodash.hasIn = hasIn;\n\t    lodash.head = head;\n\t    lodash.identity = identity;\n\t    lodash.includes = includes;\n\t    lodash.indexOf = indexOf;\n\t    lodash.inRange = inRange;\n\t    lodash.invoke = invoke;\n\t    lodash.isArguments = isArguments;\n\t    lodash.isArray = isArray;\n\t    lodash.isArrayBuffer = isArrayBuffer;\n\t    lodash.isArrayLike = isArrayLike;\n\t    lodash.isArrayLikeObject = isArrayLikeObject;\n\t    lodash.isBoolean = isBoolean;\n\t    lodash.isBuffer = isBuffer;\n\t    lodash.isDate = isDate;\n\t    lodash.isElement = isElement;\n\t    lodash.isEmpty = isEmpty;\n\t    lodash.isEqual = isEqual;\n\t    lodash.isEqualWith = isEqualWith;\n\t    lodash.isError = isError;\n\t    lodash.isFinite = isFinite;\n\t    lodash.isFunction = isFunction;\n\t    lodash.isInteger = isInteger;\n\t    lodash.isLength = isLength;\n\t    lodash.isMap = isMap;\n\t    lodash.isMatch = isMatch;\n\t    lodash.isMatchWith = isMatchWith;\n\t    lodash.isNaN = isNaN;\n\t    lodash.isNative = isNative;\n\t    lodash.isNil = isNil;\n\t    lodash.isNull = isNull;\n\t    lodash.isNumber = isNumber;\n\t    lodash.isObject = isObject;\n\t    lodash.isObjectLike = isObjectLike;\n\t    lodash.isPlainObject = isPlainObject;\n\t    lodash.isRegExp = isRegExp;\n\t    lodash.isSafeInteger = isSafeInteger;\n\t    lodash.isSet = isSet;\n\t    lodash.isString = isString;\n\t    lodash.isSymbol = isSymbol;\n\t    lodash.isTypedArray = isTypedArray;\n\t    lodash.isUndefined = isUndefined;\n\t    lodash.isWeakMap = isWeakMap;\n\t    lodash.isWeakSet = isWeakSet;\n\t    lodash.join = join;\n\t    lodash.kebabCase = kebabCase;\n\t    lodash.last = last;\n\t    lodash.lastIndexOf = lastIndexOf;\n\t    lodash.lowerCase = lowerCase;\n\t    lodash.lowerFirst = lowerFirst;\n\t    lodash.lt = lt;\n\t    lodash.lte = lte;\n\t    lodash.max = max;\n\t    lodash.maxBy = maxBy;\n\t    lodash.mean = mean;\n\t    lodash.meanBy = meanBy;\n\t    lodash.min = min;\n\t    lodash.minBy = minBy;\n\t    lodash.stubArray = stubArray;\n\t    lodash.stubFalse = stubFalse;\n\t    lodash.stubObject = stubObject;\n\t    lodash.stubString = stubString;\n\t    lodash.stubTrue = stubTrue;\n\t    lodash.multiply = multiply;\n\t    lodash.nth = nth;\n\t    lodash.noConflict = noConflict;\n\t    lodash.noop = noop;\n\t    lodash.now = now;\n\t    lodash.pad = pad;\n\t    lodash.padEnd = padEnd;\n\t    lodash.padStart = padStart;\n\t    lodash.parseInt = parseInt;\n\t    lodash.random = random;\n\t    lodash.reduce = reduce;\n\t    lodash.reduceRight = reduceRight;\n\t    lodash.repeat = repeat;\n\t    lodash.replace = replace;\n\t    lodash.result = result;\n\t    lodash.round = round;\n\t    lodash.runInContext = runInContext;\n\t    lodash.sample = sample;\n\t    lodash.size = size;\n\t    lodash.snakeCase = snakeCase;\n\t    lodash.some = some;\n\t    lodash.sortedIndex = sortedIndex;\n\t    lodash.sortedIndexBy = sortedIndexBy;\n\t    lodash.sortedIndexOf = sortedIndexOf;\n\t    lodash.sortedLastIndex = sortedLastIndex;\n\t    lodash.sortedLastIndexBy = sortedLastIndexBy;\n\t    lodash.sortedLastIndexOf = sortedLastIndexOf;\n\t    lodash.startCase = startCase;\n\t    lodash.startsWith = startsWith;\n\t    lodash.subtract = subtract;\n\t    lodash.sum = sum;\n\t    lodash.sumBy = sumBy;\n\t    lodash.template = template;\n\t    lodash.times = times;\n\t    lodash.toFinite = toFinite;\n\t    lodash.toInteger = toInteger;\n\t    lodash.toLength = toLength;\n\t    lodash.toLower = toLower;\n\t    lodash.toNumber = toNumber;\n\t    lodash.toSafeInteger = toSafeInteger;\n\t    lodash.toString = toString;\n\t    lodash.toUpper = toUpper;\n\t    lodash.trim = trim;\n\t    lodash.trimEnd = trimEnd;\n\t    lodash.trimStart = trimStart;\n\t    lodash.truncate = truncate;\n\t    lodash.unescape = unescape;\n\t    lodash.uniqueId = uniqueId;\n\t    lodash.upperCase = upperCase;\n\t    lodash.upperFirst = upperFirst;\n\t\n\t    // Add aliases.\n\t    lodash.each = forEach;\n\t    lodash.eachRight = forEachRight;\n\t    lodash.first = head;\n\t\n\t    mixin(lodash, (function() {\n\t      var source = {};\n\t      baseForOwn(lodash, function(func, methodName) {\n\t        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n\t          source[methodName] = func;\n\t        }\n\t      });\n\t      return source;\n\t    }()), { 'chain': false });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * The semantic version number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @type {string}\n\t     */\n\t    lodash.VERSION = VERSION;\n\t\n\t    // Assign default placeholders.\n\t    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n\t      lodash[methodName].placeholder = lodash;\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n\t    arrayEach(['drop', 'take'], function(methodName, index) {\n\t      LazyWrapper.prototype[methodName] = function(n) {\n\t        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\t\n\t        var result = (this.__filtered__ && !index)\n\t          ? new LazyWrapper(this)\n\t          : this.clone();\n\t\n\t        if (result.__filtered__) {\n\t          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n\t        } else {\n\t          result.__views__.push({\n\t            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n\t            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n\t          });\n\t        }\n\t        return result;\n\t      };\n\t\n\t      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n\t        return this.reverse()[methodName](n).reverse();\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods that accept an `iteratee` value.\n\t    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n\t      var type = index + 1,\n\t          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\t\n\t      LazyWrapper.prototype[methodName] = function(iteratee) {\n\t        var result = this.clone();\n\t        result.__iteratees__.push({\n\t          'iteratee': getIteratee(iteratee, 3),\n\t          'type': type\n\t        });\n\t        result.__filtered__ = result.__filtered__ || isFilter;\n\t        return result;\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n\t    arrayEach(['head', 'last'], function(methodName, index) {\n\t      var takeName = 'take' + (index ? 'Right' : '');\n\t\n\t      LazyWrapper.prototype[methodName] = function() {\n\t        return this[takeName](1).value()[0];\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n\t    arrayEach(['initial', 'tail'], function(methodName, index) {\n\t      var dropName = 'drop' + (index ? '' : 'Right');\n\t\n\t      LazyWrapper.prototype[methodName] = function() {\n\t        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n\t      };\n\t    });\n\t\n\t    LazyWrapper.prototype.compact = function() {\n\t      return this.filter(identity);\n\t    };\n\t\n\t    LazyWrapper.prototype.find = function(predicate) {\n\t      return this.filter(predicate).head();\n\t    };\n\t\n\t    LazyWrapper.prototype.findLast = function(predicate) {\n\t      return this.reverse().find(predicate);\n\t    };\n\t\n\t    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n\t      if (typeof path == 'function') {\n\t        return new LazyWrapper(this);\n\t      }\n\t      return this.map(function(value) {\n\t        return baseInvoke(value, path, args);\n\t      });\n\t    });\n\t\n\t    LazyWrapper.prototype.reject = function(predicate) {\n\t      return this.filter(negate(getIteratee(predicate)));\n\t    };\n\t\n\t    LazyWrapper.prototype.slice = function(start, end) {\n\t      start = toInteger(start);\n\t\n\t      var result = this;\n\t      if (result.__filtered__ && (start > 0 || end < 0)) {\n\t        return new LazyWrapper(result);\n\t      }\n\t      if (start < 0) {\n\t        result = result.takeRight(-start);\n\t      } else if (start) {\n\t        result = result.drop(start);\n\t      }\n\t      if (end !== undefined) {\n\t        end = toInteger(end);\n\t        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n\t      }\n\t      return result;\n\t    };\n\t\n\t    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n\t      return this.reverse().takeWhile(predicate).reverse();\n\t    };\n\t\n\t    LazyWrapper.prototype.toArray = function() {\n\t      return this.take(MAX_ARRAY_LENGTH);\n\t    };\n\t\n\t    // Add `LazyWrapper` methods to `lodash.prototype`.\n\t    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n\t      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n\t          isTaker = /^(?:head|last)$/.test(methodName),\n\t          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n\t          retUnwrapped = isTaker || /^find/.test(methodName);\n\t\n\t      if (!lodashFunc) {\n\t        return;\n\t      }\n\t      lodash.prototype[methodName] = function() {\n\t        var value = this.__wrapped__,\n\t            args = isTaker ? [1] : arguments,\n\t            isLazy = value instanceof LazyWrapper,\n\t            iteratee = args[0],\n\t            useLazy = isLazy || isArray(value);\n\t\n\t        var interceptor = function(value) {\n\t          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n\t          return (isTaker && chainAll) ? result[0] : result;\n\t        };\n\t\n\t        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n\t          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n\t          isLazy = useLazy = false;\n\t        }\n\t        var chainAll = this.__chain__,\n\t            isHybrid = !!this.__actions__.length,\n\t            isUnwrapped = retUnwrapped && !chainAll,\n\t            onlyLazy = isLazy && !isHybrid;\n\t\n\t        if (!retUnwrapped && useLazy) {\n\t          value = onlyLazy ? value : new LazyWrapper(this);\n\t          var result = func.apply(value, args);\n\t          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n\t          return new LodashWrapper(result, chainAll);\n\t        }\n\t        if (isUnwrapped && onlyLazy) {\n\t          return func.apply(this, args);\n\t        }\n\t        result = this.thru(interceptor);\n\t        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n\t      };\n\t    });\n\t\n\t    // Add `Array` methods to `lodash.prototype`.\n\t    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n\t      var func = arrayProto[methodName],\n\t          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n\t          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\t\n\t      lodash.prototype[methodName] = function() {\n\t        var args = arguments;\n\t        if (retUnwrapped && !this.__chain__) {\n\t          var value = this.value();\n\t          return func.apply(isArray(value) ? value : [], args);\n\t        }\n\t        return this[chainName](function(value) {\n\t          return func.apply(isArray(value) ? value : [], args);\n\t        });\n\t      };\n\t    });\n\t\n\t    // Map minified method names to their real names.\n\t    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n\t      var lodashFunc = lodash[methodName];\n\t      if (lodashFunc) {\n\t        var key = (lodashFunc.name + ''),\n\t            names = realNames[key] || (realNames[key] = []);\n\t\n\t        names.push({ 'name': methodName, 'func': lodashFunc });\n\t      }\n\t    });\n\t\n\t    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n\t      'name': 'wrapper',\n\t      'func': undefined\n\t    }];\n\t\n\t    // Add methods to `LazyWrapper`.\n\t    LazyWrapper.prototype.clone = lazyClone;\n\t    LazyWrapper.prototype.reverse = lazyReverse;\n\t    LazyWrapper.prototype.value = lazyValue;\n\t\n\t    // Add chain sequence methods to the `lodash` wrapper.\n\t    lodash.prototype.at = wrapperAt;\n\t    lodash.prototype.chain = wrapperChain;\n\t    lodash.prototype.commit = wrapperCommit;\n\t    lodash.prototype.next = wrapperNext;\n\t    lodash.prototype.plant = wrapperPlant;\n\t    lodash.prototype.reverse = wrapperReverse;\n\t    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\t\n\t    // Add lazy aliases.\n\t    lodash.prototype.first = lodash.prototype.head;\n\t\n\t    if (symIterator) {\n\t      lodash.prototype[symIterator] = wrapperToIterator;\n\t    }\n\t    return lodash;\n\t  });\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  // Export lodash.\n\t  var _ = runInContext();\n\t\n\t  // Some AMD build optimizers, like r.js, check for condition patterns like:\n\t  if (true) {\n\t    // Expose Lodash on the global object to prevent errors when Lodash is\n\t    // loaded by a script tag in the presence of an AMD loader.\n\t    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n\t    // Use `_.noConflict` to remove Lodash from the global object.\n\t    root._ = _;\n\t\n\t    // Define as an anonymous module so, through path mapping, it can be\n\t    // referenced as the \"underscore\" module.\n\t    !(__WEBPACK_AMD_DEFINE_RESULT__ = function() {\n\t      return _;\n\t    }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n\t  }\n\t  // Check for `exports` after `define` in case a build optimizer adds it.\n\t  else if (freeModule) {\n\t    // Export for Node.js.\n\t    (freeModule.exports = _)._ = _;\n\t    // Export for CommonJS support.\n\t    freeExports._ = _;\n\t  }\n\t  else {\n\t    // Export to the global object.\n\t    root._ = _;\n\t  }\n\t}.call(this));\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()), __webpack_require__(10)(module)))\n\n/***/ }),\n/* 63 */\n/***/ (function(module, exports) {\n\n\tvar core = module.exports = { version: '2.5.1' };\n\tif (typeof __e == 'number') __e = core; // eslint-disable-line no-undef\n\n\n/***/ }),\n/* 64 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (exec) {\n\t  try {\n\t    return !!exec();\n\t  } catch (e) {\n\t    return true;\n\t  }\n\t};\n\n\n/***/ }),\n/* 65 */\n/***/ (function(module, exports) {\n\n\t// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\n\tvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n\t  ? window : typeof self != 'undefined' && self.Math == Math ? self\n\t  // eslint-disable-next-line no-new-func\n\t  : Function('return this')();\n\tif (typeof __g == 'number') __g = global; // eslint-disable-line no-undef\n\n\n/***/ }),\n/* 66 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar anObject = __webpack_require__(169);\n\tvar IE8_DOM_DEFINE = __webpack_require__(174);\n\tvar toPrimitive = __webpack_require__(176);\n\tvar dP = Object.defineProperty;\n\t\n\texports.f = __webpack_require__(18) ? Object.defineProperty : function defineProperty(O, P, Attributes) {\n\t  anObject(O);\n\t  P = toPrimitive(P, true);\n\t  anObject(Attributes);\n\t  if (IE8_DOM_DEFINE) try {\n\t    return dP(O, P, Attributes);\n\t  } catch (e) { /* empty */ }\n\t  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');\n\t  if ('value' in Attributes) O[P] = Attributes.value;\n\t  return O;\n\t};\n\n\n/***/ }),\n/* 67 */\n/***/ (function(module, exports) {\n\n\tvar core = module.exports = { version: '2.5.1' };\n\tif (typeof __e == 'number') __e = core; // eslint-disable-line no-undef\n\n\n/***/ }),\n/* 68 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (exec) {\n\t  try {\n\t    return !!exec();\n\t  } catch (e) {\n\t    return true;\n\t  }\n\t};\n\n\n/***/ }),\n/* 69 */\n/***/ (function(module, exports) {\n\n\t// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\n\tvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n\t  ? window : typeof self != 'undefined' && self.Math == Math ? self\n\t  // eslint-disable-next-line no-new-func\n\t  : Function('return this')();\n\tif (typeof __g == 'number') __g = global; // eslint-disable-line no-undef\n\n\n/***/ }),\n/* 70 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar anObject = __webpack_require__(184);\n\tvar IE8_DOM_DEFINE = __webpack_require__(189);\n\tvar toPrimitive = __webpack_require__(191);\n\tvar dP = Object.defineProperty;\n\t\n\texports.f = __webpack_require__(19) ? Object.defineProperty : function defineProperty(O, P, Attributes) {\n\t  anObject(O);\n\t  P = toPrimitive(P, true);\n\t  anObject(Attributes);\n\t  if (IE8_DOM_DEFINE) try {\n\t    return dP(O, P, Attributes);\n\t  } catch (e) { /* empty */ }\n\t  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');\n\t  if ('value' in Attributes) O[P] = Attributes.value;\n\t  return O;\n\t};\n\n\n/***/ }),\n/* 71 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = \"<div class=oui-checkbox data-ng-class=\\\"{\\n    'oui-checkbox_big': $ctrl.big,\\n    'oui-checkbox_thumbnail': $ctrl.thumbnail\\n}\\\"> <input class=oui-checkbox__input type=checkbox id=\\\"{{:: $ctrl.name }}\\\" name=\\\"{{:: $ctrl.name }}\\\" data-ng-model=$ctrl.value data-ng-change=$ctrl.callOnChange($ctrl.value) data-ng-checked=$ctrl.checked data-ng-disabled=$ctrl.disabled> <label for=\\\"{{:: $ctrl.name }}\\\" class=oui-checkbox__label-container> <span class=oui-checkbox__label data-ng-transclude=label> <span data-ng-bind=$ctrl.label></span> </span> <span class=oui-checkbox__description data-ng-transclude=description data-ng-if=$ctrl.hasDescription> <span data-ng-bind=$ctrl.description></span> </span> <span class=oui-checkbox__icon> <i class=\\\"oui-icon oui-icon-checkbox-unchecked\\\" aria-hidden=true></i> <i class=\\\"oui-icon oui-icon-checkbox-checked\\\" aria-hidden=true></i> <i class=\\\"oui-icon oui-icon-checkbox-checkmark\\\" aria-hidden=true></i> </span> </label> </div> \";\n\n/***/ }),\n/* 72 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = \"<div class=oui-loader data-ng-class=\\\"[\\n    { 'oui-loader_inline': $ctrl.inline },\\n    'oui-loader_' + $ctrl.size\\n  ]\\\"> <div class=oui-loader__container> <div class=oui-loader__image></div> </div> </div> \";\n\n/***/ }),\n/* 73 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = \"<div data-ng-if=!$ctrl.dismissed data-ng-class=\\\"'oui-message oui-message_' + $ctrl.type\\\" role=alert> <i class=\\\"oui-icon oui-icon_bicolor\\\" data-ng-class=\\\"'oui-icon-' + $ctrl.type + '_circle'\\\" aria-hidden=true></i> <div class=oui-message__body data-ng-class=\\\"'oui-message__body_' + $ctrl.type\\\" ng-transclude> <span ng-bind=$ctrl.message></span> </div> <button data-ng-if=\\\"$ctrl.dismissable === true || ($ctrl.type !== 'error' && $ctrl.type !== 'warning')\\\" class=\\\"oui-icon oui-icon-close oui-message__close-button\\\" type=button data-ng-click=$ctrl.dismiss() aria-label=Close> </button> </div> \";\n\n/***/ }),\n/* 74 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = \"<div class=oui-radio data-ng-class=\\\"{\\n    'oui-radio_big': $ctrl.big,\\n    'oui-radio_thumbnail': $ctrl.thumbnail\\n}\\\"> <input class=oui-radio__input type=radio id=\\\"{{:: $ctrl.id }}\\\" value=\\\"{{:: $ctrl.value }}\\\" name=\\\"{{:: $ctrl.name }}\\\" data-ng-checked=$ctrl.checked data-ng-disabled=$ctrl.disabled> <label class=oui-radio__label-container for=\\\"{{:: $ctrl.id }}\\\"> <span class=oui-radio__label data-ng-transclude=label> <span data-ng-bind=$ctrl.label></span> </span> <span class=oui-radio__description data-ng-transclude=description data-ng-if=$ctrl.hasDescription> <span data-ng-bind=$ctrl.description></span> </span> </label> </div> \";\n\n/***/ }),\n/* 75 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\t__webpack_require__(78);\n\t\n\t__webpack_require__(40);\n\t\n\t__webpack_require__(87);\n\t\n\t__webpack_require__(82);\n\t\n\t__webpack_require__(79);\n\t\n\tangular.module('oui', ['oui.checkbox', 'oui.radio', 'oui.radio-group', 'oui.message', 'oui.loader']);\n\n/***/ }),\n/* 76 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _checkbox = __webpack_require__(71);\n\t\n\tvar _checkbox2 = _interopRequireDefault(_checkbox);\n\t\n\tvar _checkbox3 = __webpack_require__(77);\n\t\n\tvar _checkbox4 = _interopRequireDefault(_checkbox3);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = {\n\t  template: _checkbox2.default,\n\t  controller: _checkbox4.default,\n\t  bindings: {\n\t    label: '@?',\n\t    description: '@?',\n\t    name: '@?',\n\t    onChange: '&?',\n\t    checked: '<?',\n\t    disabled: '<?'\n\t  },\n\t  transclude: {\n\t    label: '?ouiCheckboxLabel',\n\t    description: '?ouiCheckboxDescription'\n\t  }\n\t};\n\n/***/ }),\n/* 77 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _classCallCheck2 = __webpack_require__(93);\n\t\n\tvar _classCallCheck3 = _interopRequireDefault(_classCallCheck2);\n\t\n\tvar _createClass2 = __webpack_require__(94);\n\t\n\tvar _createClass3 = _interopRequireDefault(_createClass2);\n\t\n\tvar _lodash = __webpack_require__(106);\n\t\n\tvar _lodash2 = _interopRequireDefault(_lodash);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar _class = function () {\n\t  _class.$inject = [\"$scope\", \"$attrs\", \"$transclude\"];\n\t  function _class($scope, $attrs, $transclude) {\n\t    'ngInject';\n\t\n\t    (0, _classCallCheck3.default)(this, _class);\n\t    this.$scope = $scope;\n\t    this.$attrs = $attrs;\n\t    this.$transclude = $transclude;\n\t\n\t    if (this.onChange) {\n\t      this.onChange = this.onChange.bind(this);\n\t    }\n\t  }\n\t\n\t  (0, _createClass3.default)(_class, [{\n\t    key: '$onInit',\n\t    value: function $onInit() {\n\t      if (_lodash2.default.has(this.$attrs, 'checked') && _lodash2.default.isEmpty(this.$attrs.checked)) {\n\t        this.checked = true;\n\t      }\n\t\n\t      if (_lodash2.default.has(this.$attrs, 'disabled') && _lodash2.default.isEmpty(this.$attrs.disabled)) {\n\t        this.disabled = true;\n\t      }\n\t\n\t      if (!self.name) {\n\t        this.name = 'oui-checked-' + this.$scope.$id;\n\t      }\n\t\n\t      if (_lodash2.default.has(this.$attrs, 'big')) {\n\t        this.big = true;\n\t      }\n\t\n\t      if (_lodash2.default.has(this.$attrs, 'thumbnail')) {\n\t        this.thumbnail = true;\n\t      }\n\t\n\t      this.hasDescription = Boolean(this.$transclude.isSlotFilled('description') || this.description);\n\t    }\n\t  }, {\n\t    key: 'callOnChange',\n\t    value: function callOnChange(value) {\n\t      if (this.onChange) {\n\t        this.onChange({\n\t          $event: {\n\t            value: value\n\t          }\n\t        });\n\t      }\n\t    }\n\t  }]);\n\t  return _class;\n\t}();\n\t\n\texports.default = _class;\n\n/***/ }),\n/* 78 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tvar _checkboxComponent = __webpack_require__(76);\n\t\n\tvar _checkboxComponent2 = _interopRequireDefault(_checkboxComponent);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tangular.module('oui.checkbox', []).component('ouiCheckbox', _checkboxComponent2.default);\n\n/***/ }),\n/* 79 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tvar _loaderComponent = __webpack_require__(80);\n\t\n\tvar _loaderComponent2 = _interopRequireDefault(_loaderComponent);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tangular.module('oui.loader', []).component('ouiLoader', _loaderComponent2.default);\n\n/***/ }),\n/* 80 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _loader = __webpack_require__(72);\n\t\n\tvar _loader2 = _interopRequireDefault(_loader);\n\t\n\tvar _loader3 = __webpack_require__(81);\n\t\n\tvar _loader4 = _interopRequireDefault(_loader3);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = {\n\t  template: _loader2.default,\n\t  controller: _loader4.default,\n\t  bindings: {\n\t    inline: '<?',\n\t    size: '@?'\n\t  }\n\t};\n\n/***/ }),\n/* 81 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _classCallCheck2 = __webpack_require__(108);\n\t\n\tvar _classCallCheck3 = _interopRequireDefault(_classCallCheck2);\n\t\n\tvar _createClass2 = __webpack_require__(109);\n\t\n\tvar _createClass3 = _interopRequireDefault(_createClass2);\n\t\n\tvar _lodash = __webpack_require__(121);\n\t\n\tvar _lodash2 = _interopRequireDefault(_lodash);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar _class = function () {\n\t  _class.$inject = [\"$attrs\"];\n\t  function _class($attrs) {\n\t    'ngInject';\n\t\n\t    (0, _classCallCheck3.default)(this, _class);\n\t    this.$attrs = $attrs;\n\t  }\n\t\n\t  (0, _createClass3.default)(_class, [{\n\t    key: '$onInit',\n\t    value: function $onInit() {\n\t      this.size = this.size || 'm';\n\t\n\t      if (this.size === 's') {\n\t        if (_lodash2.default.has(this.$attrs, 'inline') && _lodash2.default.isEmpty(this.$attrs.inline)) {\n\t          this.inline = true;\n\t        }\n\t      }\n\t    }\n\t  }]);\n\t  return _class;\n\t}();\n\t\n\texports.default = _class;\n\n/***/ }),\n/* 82 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tvar _messageComponent = __webpack_require__(85);\n\t\n\tvar _messageComponent2 = _interopRequireDefault(_messageComponent);\n\t\n\tvar _messageDispatcher = __webpack_require__(83);\n\t\n\tvar _messageDispatcher2 = _interopRequireDefault(_messageDispatcher);\n\t\n\tvar _messageListener = __webpack_require__(84);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tangular.module('oui.message', []).component('ouiMessage', _messageComponent2.default).service('OuiMessageDispatcher', _messageDispatcher2.default).service('OuiMessageListenerFactory', _messageListener.OuiMessageListenerFactory);\n\n/***/ }),\n/* 83 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _classCallCheck2 = __webpack_require__(22);\n\t\n\tvar _classCallCheck3 = _interopRequireDefault(_classCallCheck2);\n\t\n\tvar _createClass2 = __webpack_require__(23);\n\t\n\tvar _createClass3 = _interopRequireDefault(_createClass2);\n\t\n\tvar _lodash = __webpack_require__(62);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar requiredListenerMethods = ['onMessage'];\n\t\n\tvar _class = function () {\n\t  function _class() {\n\t    'ngInject';\n\t\n\t    (0, _classCallCheck3.default)(this, _class);\n\t    this._listeners = [];\n\t  }\n\t\n\t  (0, _createClass3.default)(_class, [{\n\t    key: 'isValidListenerInterface',\n\t    value: function isValidListenerInterface(listener) {\n\t      return requiredListenerMethods.every(function (requiredListenerMethod) {\n\t        return !(0, _lodash.isUndefined)(listener[requiredListenerMethod]);\n\t      });\n\t    }\n\t  }, {\n\t    key: 'register',\n\t    value: function register(listener) {\n\t      if (!this.isValidListenerInterface(listener)) {\n\t        throw new Error('The registered object does not follow the expected interface.');\n\t      }\n\t\n\t      this._listeners.push(listener);\n\t    }\n\t  }, {\n\t    key: 'unregister',\n\t    value: function unregister(listener) {\n\t      this._listeners.splice(this._listeners.indexOf(listener), 1);\n\t    }\n\t  }, {\n\t    key: 'dispatch',\n\t    value: function dispatch(namespace, message) {\n\t      var filteredListeners = void 0;\n\t\n\t      if ((0, _lodash.isUndefined)(message)) {\n\t        message = namespace;\n\t        namespace = undefined;\n\t      }\n\t\n\t      if (!namespace) {\n\t        filteredListeners = this._listeners;\n\t      } else {\n\t        filteredListeners = this._listeners.filter(function (listener) {\n\t          return !listener.namespace || listener.namespace === namespace;\n\t        });\n\t      }\n\t\n\t      filteredListeners.forEach(function (listener) {\n\t        return listener.onMessage(message);\n\t      });\n\t    }\n\t  }]);\n\t  return _class;\n\t}();\n\n\texports.default = _class;\n\n/***/ }),\n/* 84 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\texports.OuiMessageListenerFactory = exports.OuiLastMessageListener = exports.OuiMessageListener = undefined;\n\t\n\tvar _getPrototypeOf = __webpack_require__(124);\n\t\n\tvar _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);\n\t\n\tvar _possibleConstructorReturn2 = __webpack_require__(129);\n\t\n\tvar _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);\n\t\n\tvar _inherits2 = __webpack_require__(128);\n\t\n\tvar _inherits3 = _interopRequireDefault(_inherits2);\n\t\n\tvar _classCallCheck2 = __webpack_require__(22);\n\t\n\tvar _classCallCheck3 = _interopRequireDefault(_classCallCheck2);\n\t\n\tvar _createClass2 = __webpack_require__(23);\n\t\n\tvar _createClass3 = _interopRequireDefault(_createClass2);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar OuiMessageListener = exports.OuiMessageListener = function () {\n\t  function OuiMessageListener(OuiMessageDispatcher, namespace) {\n\t    (0, _classCallCheck3.default)(this, OuiMessageListener);\n\t\n\t    this.OuiMessageDispatcher = OuiMessageDispatcher;\n\t    this.namespace = namespace;\n\t  }\n\t\n\t  (0, _createClass3.default)(OuiMessageListener, [{\n\t    key: 'unregister',\n\t    value: function unregister() {\n\t      this.OuiMessageDispatcher.unregister(this);\n\t    }\n\t  }]);\n\t  return OuiMessageListener;\n\t}();\n\t\n\tvar OuiLastMessageListener = exports.OuiLastMessageListener = function (_OuiMessageListener) {\n\t  (0, _inherits3.default)(OuiLastMessageListener, _OuiMessageListener);\n\t\n\t  function OuiLastMessageListener(OuiMessageDispatcher, namespace) {\n\t    (0, _classCallCheck3.default)(this, OuiLastMessageListener);\n\t\n\t    var _this = (0, _possibleConstructorReturn3.default)(this, (OuiLastMessageListener.__proto__ || (0, _getPrototypeOf2.default)(OuiLastMessageListener)).call(this, OuiMessageDispatcher, namespace));\n\t\n\t    _this.hasMessage = false;\n\t    _this.lastMessage = null;\n\t    return _this;\n\t  }\n\t\n\t  (0, _createClass3.default)(OuiLastMessageListener, [{\n\t    key: 'onMessage',\n\t    value: function onMessage(message) {\n\t      this.hasMessage = true;\n\t      this.lastMessage = message;\n\t    }\n\t  }]);\n\t  return OuiLastMessageListener;\n\t}(OuiMessageListener);\n\t\n\tvar OuiMessageListenerFactory = exports.OuiMessageListenerFactory = function () {\n\t  OuiMessageListenerFactory.$inject = [\"OuiMessageDispatcher\"];\n\t  function OuiMessageListenerFactory(OuiMessageDispatcher) {\n\t    'ngInject';\n\t\n\t    (0, _classCallCheck3.default)(this, OuiMessageListenerFactory);\n\t    this.OuiMessageDispatcher = OuiMessageDispatcher;\n\t  }\n\t\n\t  (0, _createClass3.default)(OuiMessageListenerFactory, [{\n\t    key: 'createLastMessageListener',\n\t    value: function createLastMessageListener(namespace) {\n\t      var listener = new OuiLastMessageListener(this.OuiMessageDispatcher, namespace);\n\t\n\t      this.OuiMessageDispatcher.register(listener);\n\t\n\t      return listener;\n\t    }\n\t  }]);\n\t  return OuiMessageListenerFactory;\n\t}();\n\n/***/ }),\n/* 85 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _message = __webpack_require__(73);\n\t\n\tvar _message2 = _interopRequireDefault(_message);\n\t\n\tvar _message3 = __webpack_require__(86);\n\t\n\tvar _message4 = _interopRequireDefault(_message3);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = {\n\t  template: _message2.default,\n\t  controller: _message4.default,\n\t  bindings: {\n\t    message: '@',\n\t    type: '@',\n\t    dismissable: '<',\n\t    dismissed: '<',\n\t    onDismiss: '&?'\n\t  },\n\t  transclude: true\n\t};\n\n/***/ }),\n/* 86 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _classCallCheck2 = __webpack_require__(22);\n\t\n\tvar _classCallCheck3 = _interopRequireDefault(_classCallCheck2);\n\t\n\tvar _createClass2 = __webpack_require__(23);\n\t\n\tvar _createClass3 = _interopRequireDefault(_createClass2);\n\t\n\tvar _lodash = __webpack_require__(62);\n\t\n\tvar _lodash2 = _interopRequireDefault(_lodash);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar _class = function () {\n\t  function _class() {\n\t    'ngInject';\n\t\n\t    (0, _classCallCheck3.default)(this, _class);\n\t  }\n\t\n\t  (0, _createClass3.default)(_class, [{\n\t    key: '$onInit',\n\t    value: function $onInit() {\n\t      this.dismissed = false;\n\t    }\n\t  }, {\n\t    key: 'dismiss',\n\t    value: function dismiss() {\n\t      if (!_lodash2.default.isFunction(this.onDismiss)) {\n\t        this.dismissed = true;\n\t      } else {\n\t        this.onDismiss();\n\t      }\n\t    }\n\t  }]);\n\t  return _class;\n\t}();\n\n\texports.default = _class;\n\n/***/ }),\n/* 87 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\t__webpack_require__(40);\n\t\n\tvar _radioGroupComponent = __webpack_require__(88);\n\t\n\tvar _radioGroupComponent2 = _interopRequireDefault(_radioGroupComponent);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tangular.module('oui.radio-group', ['oui.radio']).component('ouiRadioGroup', _radioGroupComponent2.default);\n\n/***/ }),\n/* 88 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _radioGroup = __webpack_require__(89);\n\t\n\tvar _radioGroup2 = _interopRequireDefault(_radioGroup);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = {\n\t  template: '<ng-transclude></ng-transclude>',\n\t  controller: _radioGroup2.default,\n\t  bindings: {\n\t    name: '@?',\n\t    value: '<?',\n\t    onChange: '&?'\n\t  },\n\t  transclude: true\n\t};\n\n/***/ }),\n/* 89 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _classCallCheck2 = __webpack_require__(165);\n\t\n\tvar _classCallCheck3 = _interopRequireDefault(_classCallCheck2);\n\t\n\tvar _createClass2 = __webpack_require__(166);\n\t\n\tvar _createClass3 = _interopRequireDefault(_createClass2);\n\t\n\tvar _lodash = __webpack_require__(178);\n\t\n\tvar _lodash2 = _interopRequireDefault(_lodash);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar _class = function () {\n\t  _class.$inject = [\"$scope\"];\n\t  function _class($scope) {\n\t    'ngInject';\n\t\n\t    (0, _classCallCheck3.default)(this, _class);\n\t    this.$scope = $scope;\n\t    this.radios = [];\n\t  }\n\t\n\t  (0, _createClass3.default)(_class, [{\n\t    key: '$onInit',\n\t    value: function $onInit() {\n\t      if (!this.name) {\n\t        this.name = 'oui-radio-group-' + this.$scope.$id;\n\t      }\n\t    }\n\t  }, {\n\t    key: '$onChanges',\n\t    value: function $onChanges(changes) {\n\t      if (_lodash2.default.has(changes, 'value')) {\n\t        _lodash2.default.forEach(this.radios, function (radio) {\n\t          radio.onGroupValueChange(changes.value.currentValue);\n\t        });\n\t      }\n\t    }\n\t  }, {\n\t    key: 'callOnChange',\n\t    value: function callOnChange(value) {\n\t      if (this.onChange) {\n\t        this.onChange({\n\t          $event: {\n\t            value: value\n\t          }\n\t        });\n\t      }\n\t    }\n\t  }]);\n\t  return _class;\n\t}();\n\t\n\texports.default = _class;\n\n/***/ }),\n/* 90 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _radio = __webpack_require__(74);\n\t\n\tvar _radio2 = _interopRequireDefault(_radio);\n\t\n\tvar _radio3 = __webpack_require__(91);\n\t\n\tvar _radio4 = _interopRequireDefault(_radio3);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = {\n\t  require: {\n\t    group: '?^ouiRadioGroup'\n\t  },\n\t  template: _radio2.default,\n\t  controller: _radio4.default,\n\t  bindings: {\n\t    label: '@?',\n\t    value: '@',\n\t    disabled: '<?',\n\t    checked: '<?'\n\t  },\n\t  transclude: {\n\t    label: '?ouiRadioLabel',\n\t    description: '?ouiRadioDescription'\n\t  }\n\t};\n\n/***/ }),\n/* 91 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t\n\tObject.defineProperty(exports, \"__esModule\", {\n\t  value: true\n\t});\n\t\n\tvar _classCallCheck2 = __webpack_require__(180);\n\t\n\tvar _classCallCheck3 = _interopRequireDefault(_classCallCheck2);\n\t\n\tvar _createClass2 = __webpack_require__(181);\n\t\n\tvar _createClass3 = _interopRequireDefault(_createClass2);\n\t\n\tvar _lodash = __webpack_require__(193);\n\t\n\tvar _lodash2 = _interopRequireDefault(_lodash);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\tvar INPUT_SELECTOR = 'input';\n\t\n\tvar _class = function () {\n\t  _class.$inject = [\"$scope\", \"$element\", \"$attrs\", \"$transclude\"];\n\t  function _class($scope, $element, $attrs, $transclude) {\n\t    'ngInject';\n\t\n\t    (0, _classCallCheck3.default)(this, _class);\n\t    this.$element = $element;\n\t    this.$scope = $scope;\n\t    this.$attrs = $attrs;\n\t    this.$transclude = $transclude;\n\t\n\t    if (this.onChange) {\n\t      this.onChange = this.onChange.bind(this);\n\t    }\n\t  }\n\t\n\t  (0, _createClass3.default)(_class, [{\n\t    key: 'registerEventsToParent',\n\t    value: function registerEventsToParent() {\n\t      var self = this;\n\t\n\t      this.onGroupValueChange(self.group.value);\n\t\n\t      this.$element.find(INPUT_SELECTOR).bind('change', function () {\n\t        var _this = this;\n\t\n\t        self.$scope.$apply(function () {\n\t          return self.group.callOnChange(_this.value);\n\t        });\n\t      });\n\t    }\n\t  }, {\n\t    key: '$onInit',\n\t    value: function $onInit() {\n\t      this.id = 'oui-radio-' + this.$scope.$id;\n\t\n\t      if (_lodash2.default.has(this.$attrs, 'checked') && _lodash2.default.isEmpty(this.$attrs.checked)) {\n\t        this.checked = true;\n\t      }\n\t\n\t      if (_lodash2.default.has(this.$attrs, 'disabled') && _lodash2.default.isEmpty(this.$attrs.disabled)) {\n\t        this.disabled = true;\n\t      }\n\t\n\t      if (this.group) {\n\t        this.name = this.group.name;\n\t        this.group.radios.push(this);\n\t\n\t        this.registerEventsToParent();\n\t      } else {\n\t        this.name = this.id;\n\t      }\n\t\n\t      if (_lodash2.default.has(this.$attrs, 'big')) {\n\t        this.big = true;\n\t      }\n\t\n\t      if (_lodash2.default.has(this.$attrs, 'thumbnail')) {\n\t        this.thumbnail = true;\n\t      }\n\t\n\t      this.hasDescription = Boolean(this.$transclude.isSlotFilled('description') || this.description);\n\t    }\n\t  }, {\n\t    key: '$onDestroy',\n\t    value: function $onDestroy() {\n\t      if (self.group) {\n\t        _lodash2.default.remove(this.group.radios, this);\n\t        this.$element.find(INPUT_SELECTOR).unbind('change');\n\t      }\n\t    }\n\t  }, {\n\t    key: '$onChanges',\n\t    value: function $onChanges(changes) {\n\t      if (_lodash2.default.has(changes, 'checked')) {\n\t        this.checked = changes.checked.currentValue;\n\t      }\n\t    }\n\t  }, {\n\t    key: 'onGroupValueChange',\n\t    value: function onGroupValueChange(value) {\n\t      this.checked = value === this.value;\n\t    }\n\t  }]);\n\t  return _class;\n\t}();\n\t\n\texports.default = _class;\n\n/***/ }),\n/* 92 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(95), __esModule: true };\n\n/***/ }),\n/* 93 */\n/***/ (function(module, exports) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\texports.default = function (instance, Constructor) {\n\t  if (!(instance instanceof Constructor)) {\n\t    throw new TypeError(\"Cannot call a class as a function\");\n\t  }\n\t};\n\n/***/ }),\n/* 94 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\tvar _defineProperty = __webpack_require__(92);\n\t\n\tvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = function () {\n\t  function defineProperties(target, props) {\n\t    for (var i = 0; i < props.length; i++) {\n\t      var descriptor = props[i];\n\t      descriptor.enumerable = descriptor.enumerable || false;\n\t      descriptor.configurable = true;\n\t      if (\"value\" in descriptor) descriptor.writable = true;\n\t      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n\t    }\n\t  }\n\t\n\t  return function (Constructor, protoProps, staticProps) {\n\t    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n\t    if (staticProps) defineProperties(Constructor, staticProps);\n\t    return Constructor;\n\t  };\n\t}();\n\n/***/ }),\n/* 95 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(105);\n\tvar $Object = __webpack_require__(41).Object;\n\tmodule.exports = function defineProperty(it, key, desc) {\n\t  return $Object.defineProperty(it, key, desc);\n\t};\n\n\n/***/ }),\n/* 96 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (it) {\n\t  if (typeof it != 'function') throw TypeError(it + ' is not a function!');\n\t  return it;\n\t};\n\n\n/***/ }),\n/* 97 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar isObject = __webpack_require__(20);\n\tmodule.exports = function (it) {\n\t  if (!isObject(it)) throw TypeError(it + ' is not an object!');\n\t  return it;\n\t};\n\n\n/***/ }),\n/* 98 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// optional / simple context binding\n\tvar aFunction = __webpack_require__(96);\n\tmodule.exports = function (fn, that, length) {\n\t  aFunction(fn);\n\t  if (that === undefined) return fn;\n\t  switch (length) {\n\t    case 1: return function (a) {\n\t      return fn.call(that, a);\n\t    };\n\t    case 2: return function (a, b) {\n\t      return fn.call(that, a, b);\n\t    };\n\t    case 3: return function (a, b, c) {\n\t      return fn.call(that, a, b, c);\n\t    };\n\t  }\n\t  return function (/* ...args */) {\n\t    return fn.apply(that, arguments);\n\t  };\n\t};\n\n\n/***/ }),\n/* 99 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar isObject = __webpack_require__(20);\n\tvar document = __webpack_require__(43).document;\n\t// typeof document.createElement is 'object' in old IE\n\tvar is = isObject(document) && isObject(document.createElement);\n\tmodule.exports = function (it) {\n\t  return is ? document.createElement(it) : {};\n\t};\n\n\n/***/ }),\n/* 100 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar global = __webpack_require__(43);\n\tvar core = __webpack_require__(41);\n\tvar ctx = __webpack_require__(98);\n\tvar hide = __webpack_require__(101);\n\tvar PROTOTYPE = 'prototype';\n\t\n\tvar $export = function (type, name, source) {\n\t  var IS_FORCED = type & $export.F;\n\t  var IS_GLOBAL = type & $export.G;\n\t  var IS_STATIC = type & $export.S;\n\t  var IS_PROTO = type & $export.P;\n\t  var IS_BIND = type & $export.B;\n\t  var IS_WRAP = type & $export.W;\n\t  var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});\n\t  var expProto = exports[PROTOTYPE];\n\t  var target = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE];\n\t  var key, own, out;\n\t  if (IS_GLOBAL) source = name;\n\t  for (key in source) {\n\t    // contains in native\n\t    own = !IS_FORCED && target && target[key] !== undefined;\n\t    if (own && key in exports) continue;\n\t    // export native or passed\n\t    out = own ? target[key] : source[key];\n\t    // prevent global pollution for namespaces\n\t    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n\t    // bind timers to global for call from export context\n\t    : IS_BIND && own ? ctx(out, global)\n\t    // wrap global constructors for prevent change them in library\n\t    : IS_WRAP && target[key] == out ? (function (C) {\n\t      var F = function (a, b, c) {\n\t        if (this instanceof C) {\n\t          switch (arguments.length) {\n\t            case 0: return new C();\n\t            case 1: return new C(a);\n\t            case 2: return new C(a, b);\n\t          } return new C(a, b, c);\n\t        } return C.apply(this, arguments);\n\t      };\n\t      F[PROTOTYPE] = C[PROTOTYPE];\n\t      return F;\n\t    // make static versions for prototype methods\n\t    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n\t    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n\t    if (IS_PROTO) {\n\t      (exports.virtual || (exports.virtual = {}))[key] = out;\n\t      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n\t      if (type & $export.R && expProto && !expProto[key]) hide(expProto, key, out);\n\t    }\n\t  }\n\t};\n\t// type bitmap\n\t$export.F = 1;   // forced\n\t$export.G = 2;   // global\n\t$export.S = 4;   // static\n\t$export.P = 8;   // proto\n\t$export.B = 16;  // bind\n\t$export.W = 32;  // wrap\n\t$export.U = 64;  // safe\n\t$export.R = 128; // real proto method for `library`\n\tmodule.exports = $export;\n\n\n/***/ }),\n/* 101 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar dP = __webpack_require__(44);\n\tvar createDesc = __webpack_require__(103);\n\tmodule.exports = __webpack_require__(14) ? function (object, key, value) {\n\t  return dP.f(object, key, createDesc(1, value));\n\t} : function (object, key, value) {\n\t  object[key] = value;\n\t  return object;\n\t};\n\n\n/***/ }),\n/* 102 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = !__webpack_require__(14) && !__webpack_require__(42)(function () {\n\t  return Object.defineProperty(__webpack_require__(99)('div'), 'a', { get: function () { return 7; } }).a != 7;\n\t});\n\n\n/***/ }),\n/* 103 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (bitmap, value) {\n\t  return {\n\t    enumerable: !(bitmap & 1),\n\t    configurable: !(bitmap & 2),\n\t    writable: !(bitmap & 4),\n\t    value: value\n\t  };\n\t};\n\n\n/***/ }),\n/* 104 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 7.1.1 ToPrimitive(input [, PreferredType])\n\tvar isObject = __webpack_require__(20);\n\t// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n\t// and the second argument - flag - preferred type is a string\n\tmodule.exports = function (it, S) {\n\t  if (!isObject(it)) return it;\n\t  var fn, val;\n\t  if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n\t  if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;\n\t  if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n\t  throw TypeError(\"Can't convert object to primitive value\");\n\t};\n\n\n/***/ }),\n/* 105 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar $export = __webpack_require__(100);\n\t// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n\t$export($export.S + $export.F * !__webpack_require__(14), 'Object', { defineProperty: __webpack_require__(44).f });\n\n\n/***/ }),\n/* 106 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(global, module) {/**\n\t * @license\n\t * Lodash <https://lodash.com/>\n\t * Copyright JS Foundation and other contributors <https://js.foundation/>\n\t * Released under MIT license <https://lodash.com/license>\n\t * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n\t * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n\t */\n\t;(function() {\n\t\n\t  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n\t  var undefined;\n\t\n\t  /** Used as the semantic version number. */\n\t  var VERSION = '4.17.4';\n\t\n\t  /** Used as the size to enable large array optimizations. */\n\t  var LARGE_ARRAY_SIZE = 200;\n\t\n\t  /** Error message constants. */\n\t  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n\t      FUNC_ERROR_TEXT = 'Expected a function';\n\t\n\t  /** Used to stand-in for `undefined` hash values. */\n\t  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\t\n\t  /** Used as the maximum memoize cache size. */\n\t  var MAX_MEMOIZE_SIZE = 500;\n\t\n\t  /** Used as the internal argument placeholder. */\n\t  var PLACEHOLDER = '__lodash_placeholder__';\n\t\n\t  /** Used to compose bitmasks for cloning. */\n\t  var CLONE_DEEP_FLAG = 1,\n\t      CLONE_FLAT_FLAG = 2,\n\t      CLONE_SYMBOLS_FLAG = 4;\n\t\n\t  /** Used to compose bitmasks for value comparisons. */\n\t  var COMPARE_PARTIAL_FLAG = 1,\n\t      COMPARE_UNORDERED_FLAG = 2;\n\t\n\t  /** Used to compose bitmasks for function metadata. */\n\t  var WRAP_BIND_FLAG = 1,\n\t      WRAP_BIND_KEY_FLAG = 2,\n\t      WRAP_CURRY_BOUND_FLAG = 4,\n\t      WRAP_CURRY_FLAG = 8,\n\t      WRAP_CURRY_RIGHT_FLAG = 16,\n\t      WRAP_PARTIAL_FLAG = 32,\n\t      WRAP_PARTIAL_RIGHT_FLAG = 64,\n\t      WRAP_ARY_FLAG = 128,\n\t      WRAP_REARG_FLAG = 256,\n\t      WRAP_FLIP_FLAG = 512;\n\t\n\t  /** Used as default options for `_.truncate`. */\n\t  var DEFAULT_TRUNC_LENGTH = 30,\n\t      DEFAULT_TRUNC_OMISSION = '...';\n\t\n\t  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n\t  var HOT_COUNT = 800,\n\t      HOT_SPAN = 16;\n\t\n\t  /** Used to indicate the type of lazy iteratees. */\n\t  var LAZY_FILTER_FLAG = 1,\n\t      LAZY_MAP_FLAG = 2,\n\t      LAZY_WHILE_FLAG = 3;\n\t\n\t  /** Used as references for various `Number` constants. */\n\t  var INFINITY = 1 / 0,\n\t      MAX_SAFE_INTEGER = 9007199254740991,\n\t      MAX_INTEGER = 1.7976931348623157e+308,\n\t      NAN = 0 / 0;\n\t\n\t  /** Used as references for the maximum length and index of an array. */\n\t  var MAX_ARRAY_LENGTH = 4294967295,\n\t      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n\t      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\t\n\t  /** Used to associate wrap methods with their bit flags. */\n\t  var wrapFlags = [\n\t    ['ary', WRAP_ARY_FLAG],\n\t    ['bind', WRAP_BIND_FLAG],\n\t    ['bindKey', WRAP_BIND_KEY_FLAG],\n\t    ['curry', WRAP_CURRY_FLAG],\n\t    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n\t    ['flip', WRAP_FLIP_FLAG],\n\t    ['partial', WRAP_PARTIAL_FLAG],\n\t    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n\t    ['rearg', WRAP_REARG_FLAG]\n\t  ];\n\t\n\t  /** `Object#toString` result references. */\n\t  var argsTag = '[object Arguments]',\n\t      arrayTag = '[object Array]',\n\t      asyncTag = '[object AsyncFunction]',\n\t      boolTag = '[object Boolean]',\n\t      dateTag = '[object Date]',\n\t      domExcTag = '[object DOMException]',\n\t      errorTag = '[object Error]',\n\t      funcTag = '[object Function]',\n\t      genTag = '[object GeneratorFunction]',\n\t      mapTag = '[object Map]',\n\t      numberTag = '[object Number]',\n\t      nullTag = '[object Null]',\n\t      objectTag = '[object Object]',\n\t      promiseTag = '[object Promise]',\n\t      proxyTag = '[object Proxy]',\n\t      regexpTag = '[object RegExp]',\n\t      setTag = '[object Set]',\n\t      stringTag = '[object String]',\n\t      symbolTag = '[object Symbol]',\n\t      undefinedTag = '[object Undefined]',\n\t      weakMapTag = '[object WeakMap]',\n\t      weakSetTag = '[object WeakSet]';\n\t\n\t  var arrayBufferTag = '[object ArrayBuffer]',\n\t      dataViewTag = '[object DataView]',\n\t      float32Tag = '[object Float32Array]',\n\t      float64Tag = '[object Float64Array]',\n\t      int8Tag = '[object Int8Array]',\n\t      int16Tag = '[object Int16Array]',\n\t      int32Tag = '[object Int32Array]',\n\t      uint8Tag = '[object Uint8Array]',\n\t      uint8ClampedTag = '[object Uint8ClampedArray]',\n\t      uint16Tag = '[object Uint16Array]',\n\t      uint32Tag = '[object Uint32Array]';\n\t\n\t  /** Used to match empty string literals in compiled template source. */\n\t  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n\t      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n\t      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\t\n\t  /** Used to match HTML entities and HTML characters. */\n\t  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n\t      reUnescapedHtml = /[&<>\"']/g,\n\t      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n\t      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\t\n\t  /** Used to match template delimiters. */\n\t  var reEscape = /<%-([\\s\\S]+?)%>/g,\n\t      reEvaluate = /<%([\\s\\S]+?)%>/g,\n\t      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\t\n\t  /** Used to match property names within property paths. */\n\t  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n\t      reIsPlainProp = /^\\w*$/,\n\t      reLeadingDot = /^\\./,\n\t      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\t\n\t  /**\n\t   * Used to match `RegExp`\n\t   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n\t   */\n\t  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n\t      reHasRegExpChar = RegExp(reRegExpChar.source);\n\t\n\t  /** Used to match leading and trailing whitespace. */\n\t  var reTrim = /^\\s+|\\s+$/g,\n\t      reTrimStart = /^\\s+/,\n\t      reTrimEnd = /\\s+$/;\n\t\n\t  /** Used to match wrap detail comments. */\n\t  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n\t      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n\t      reSplitDetails = /,? & /;\n\t\n\t  /** Used to match words composed of alphanumeric characters. */\n\t  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\t\n\t  /** Used to match backslashes in property paths. */\n\t  var reEscapeChar = /\\\\(\\\\)?/g;\n\t\n\t  /**\n\t   * Used to match\n\t   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n\t   */\n\t  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\t\n\t  /** Used to match `RegExp` flags from their coerced string values. */\n\t  var reFlags = /\\w*$/;\n\t\n\t  /** Used to detect bad signed hexadecimal string values. */\n\t  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\t\n\t  /** Used to detect binary string values. */\n\t  var reIsBinary = /^0b[01]+$/i;\n\t\n\t  /** Used to detect host constructors (Safari). */\n\t  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\t\n\t  /** Used to detect octal string values. */\n\t  var reIsOctal = /^0o[0-7]+$/i;\n\t\n\t  /** Used to detect unsigned integer values. */\n\t  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\t\n\t  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n\t  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\t\n\t  /** Used to ensure capturing order of template delimiters. */\n\t  var reNoMatch = /($^)/;\n\t\n\t  /** Used to match unescaped characters in compiled string literals. */\n\t  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\t\n\t  /** Used to compose unicode character classes. */\n\t  var rsAstralRange = '\\\\ud800-\\\\udfff',\n\t      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n\t      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n\t      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n\t      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n\t      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n\t      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n\t      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n\t      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n\t      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n\t      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n\t      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n\t      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n\t      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\t\n\t  /** Used to compose unicode capture groups. */\n\t  var rsApos = \"['\\u2019]\",\n\t      rsAstral = '[' + rsAstralRange + ']',\n\t      rsBreak = '[' + rsBreakRange + ']',\n\t      rsCombo = '[' + rsComboRange + ']',\n\t      rsDigits = '\\\\d+',\n\t      rsDingbat = '[' + rsDingbatRange + ']',\n\t      rsLower = '[' + rsLowerRange + ']',\n\t      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n\t      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n\t      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n\t      rsNonAstral = '[^' + rsAstralRange + ']',\n\t      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n\t      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n\t      rsUpper = '[' + rsUpperRange + ']',\n\t      rsZWJ = '\\\\u200d';\n\t\n\t  /** Used to compose unicode regexes. */\n\t  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n\t      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n\t      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n\t      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n\t      reOptMod = rsModifier + '?',\n\t      rsOptVar = '[' + rsVarRange + ']?',\n\t      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n\t      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n\t      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n\t      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n\t      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n\t      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\t\n\t  /** Used to match apostrophes. */\n\t  var reApos = RegExp(rsApos, 'g');\n\t\n\t  /**\n\t   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n\t   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n\t   */\n\t  var reComboMark = RegExp(rsCombo, 'g');\n\t\n\t  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n\t  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\t\n\t  /** Used to match complex or compound words. */\n\t  var reUnicodeWord = RegExp([\n\t    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n\t    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n\t    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n\t    rsUpper + '+' + rsOptContrUpper,\n\t    rsOrdUpper,\n\t    rsOrdLower,\n\t    rsDigits,\n\t    rsEmoji\n\t  ].join('|'), 'g');\n\t\n\t  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n\t  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\t\n\t  /** Used to detect strings that need a more robust regexp to match words. */\n\t  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\t\n\t  /** Used to assign default `context` object properties. */\n\t  var contextProps = [\n\t    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n\t    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n\t    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n\t    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n\t    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n\t  ];\n\t\n\t  /** Used to make template sourceURLs easier to identify. */\n\t  var templateCounter = -1;\n\t\n\t  /** Used to identify `toStringTag` values of typed arrays. */\n\t  var typedArrayTags = {};\n\t  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n\t  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n\t  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n\t  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n\t  typedArrayTags[uint32Tag] = true;\n\t  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n\t  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n\t  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n\t  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n\t  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n\t  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n\t  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n\t  typedArrayTags[weakMapTag] = false;\n\t\n\t  /** Used to identify `toStringTag` values supported by `_.clone`. */\n\t  var cloneableTags = {};\n\t  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n\t  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n\t  cloneableTags[boolTag] = cloneableTags[dateTag] =\n\t  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n\t  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n\t  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n\t  cloneableTags[numberTag] = cloneableTags[objectTag] =\n\t  cloneableTags[regexpTag] = cloneableTags[setTag] =\n\t  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n\t  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n\t  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n\t  cloneableTags[errorTag] = cloneableTags[funcTag] =\n\t  cloneableTags[weakMapTag] = false;\n\t\n\t  /** Used to map Latin Unicode letters to basic Latin letters. */\n\t  var deburredLetters = {\n\t    // Latin-1 Supplement block.\n\t    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n\t    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n\t    '\\xc7': 'C',  '\\xe7': 'c',\n\t    '\\xd0': 'D',  '\\xf0': 'd',\n\t    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n\t    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n\t    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n\t    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n\t    '\\xd1': 'N',  '\\xf1': 'n',\n\t    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n\t    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n\t    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n\t    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n\t    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n\t    '\\xc6': 'Ae', '\\xe6': 'ae',\n\t    '\\xde': 'Th', '\\xfe': 'th',\n\t    '\\xdf': 'ss',\n\t    // Latin Extended-A block.\n\t    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n\t    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n\t    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n\t    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n\t    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n\t    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n\t    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n\t    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n\t    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n\t    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n\t    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n\t    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n\t    '\\u0134': 'J',  '\\u0135': 'j',\n\t    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n\t    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n\t    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n\t    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n\t    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n\t    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n\t    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n\t    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n\t    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n\t    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n\t    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n\t    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n\t    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n\t    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n\t    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n\t    '\\u0174': 'W',  '\\u0175': 'w',\n\t    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n\t    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n\t    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n\t    '\\u0132': 'IJ', '\\u0133': 'ij',\n\t    '\\u0152': 'Oe', '\\u0153': 'oe',\n\t    '\\u0149': \"'n\", '\\u017f': 's'\n\t  };\n\t\n\t  /** Used to map characters to HTML entities. */\n\t  var htmlEscapes = {\n\t    '&': '&amp;',\n\t    '<': '&lt;',\n\t    '>': '&gt;',\n\t    '\"': '&quot;',\n\t    \"'\": '&#39;'\n\t  };\n\t\n\t  /** Used to map HTML entities to characters. */\n\t  var htmlUnescapes = {\n\t    '&amp;': '&',\n\t    '&lt;': '<',\n\t    '&gt;': '>',\n\t    '&quot;': '\"',\n\t    '&#39;': \"'\"\n\t  };\n\t\n\t  /** Used to escape characters for inclusion in compiled string literals. */\n\t  var stringEscapes = {\n\t    '\\\\': '\\\\',\n\t    \"'\": \"'\",\n\t    '\\n': 'n',\n\t    '\\r': 'r',\n\t    '\\u2028': 'u2028',\n\t    '\\u2029': 'u2029'\n\t  };\n\t\n\t  /** Built-in method references without a dependency on `root`. */\n\t  var freeParseFloat = parseFloat,\n\t      freeParseInt = parseInt;\n\t\n\t  /** Detect free variable `global` from Node.js. */\n\t  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\t\n\t  /** Detect free variable `self`. */\n\t  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\t\n\t  /** Used as a reference to the global object. */\n\t  var root = freeGlobal || freeSelf || Function('return this')();\n\t\n\t  /** Detect free variable `exports`. */\n\t  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\t\n\t  /** Detect free variable `module`. */\n\t  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\t\n\t  /** Detect the popular CommonJS extension `module.exports`. */\n\t  var moduleExports = freeModule && freeModule.exports === freeExports;\n\t\n\t  /** Detect free variable `process` from Node.js. */\n\t  var freeProcess = moduleExports && freeGlobal.process;\n\t\n\t  /** Used to access faster Node.js helpers. */\n\t  var nodeUtil = (function() {\n\t    try {\n\t      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n\t    } catch (e) {}\n\t  }());\n\t\n\t  /* Node.js helper references. */\n\t  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n\t      nodeIsDate = nodeUtil && nodeUtil.isDate,\n\t      nodeIsMap = nodeUtil && nodeUtil.isMap,\n\t      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n\t      nodeIsSet = nodeUtil && nodeUtil.isSet,\n\t      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  /**\n\t   * Adds the key-value `pair` to `map`.\n\t   *\n\t   * @private\n\t   * @param {Object} map The map to modify.\n\t   * @param {Array} pair The key-value pair to add.\n\t   * @returns {Object} Returns `map`.\n\t   */\n\t  function addMapEntry(map, pair) {\n\t    // Don't return `map.set` because it's not chainable in IE 11.\n\t    map.set(pair[0], pair[1]);\n\t    return map;\n\t  }\n\t\n\t  /**\n\t   * Adds `value` to `set`.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to modify.\n\t   * @param {*} value The value to add.\n\t   * @returns {Object} Returns `set`.\n\t   */\n\t  function addSetEntry(set, value) {\n\t    // Don't return `set.add` because it's not chainable in IE 11.\n\t    set.add(value);\n\t    return set;\n\t  }\n\t\n\t  /**\n\t   * A faster alternative to `Function#apply`, this function invokes `func`\n\t   * with the `this` binding of `thisArg` and the arguments of `args`.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to invoke.\n\t   * @param {*} thisArg The `this` binding of `func`.\n\t   * @param {Array} args The arguments to invoke `func` with.\n\t   * @returns {*} Returns the result of `func`.\n\t   */\n\t  function apply(func, thisArg, args) {\n\t    switch (args.length) {\n\t      case 0: return func.call(thisArg);\n\t      case 1: return func.call(thisArg, args[0]);\n\t      case 2: return func.call(thisArg, args[0], args[1]);\n\t      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n\t    }\n\t    return func.apply(thisArg, args);\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `baseAggregator` for arrays.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} setter The function to set `accumulator` values.\n\t   * @param {Function} iteratee The iteratee to transform keys.\n\t   * @param {Object} accumulator The initial aggregated object.\n\t   * @returns {Function} Returns `accumulator`.\n\t   */\n\t  function arrayAggregator(array, setter, iteratee, accumulator) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      setter(accumulator, value, iteratee(value), array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.forEach` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayEach(array, iteratee) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (iteratee(array[index], index, array) === false) {\n\t        break;\n\t      }\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.forEachRight` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayEachRight(array, iteratee) {\n\t    var length = array == null ? 0 : array.length;\n\t\n\t    while (length--) {\n\t      if (iteratee(array[length], length, array) === false) {\n\t        break;\n\t      }\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.every` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t   *  else `false`.\n\t   */\n\t  function arrayEvery(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (!predicate(array[index], index, array)) {\n\t        return false;\n\t      }\n\t    }\n\t    return true;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.filter` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {Array} Returns the new filtered array.\n\t   */\n\t  function arrayFilter(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length,\n\t        resIndex = 0,\n\t        result = [];\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      if (predicate(value, index, array)) {\n\t        result[resIndex++] = value;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.includes` for arrays without support for\n\t   * specifying an index to search from.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to inspect.\n\t   * @param {*} target The value to search for.\n\t   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n\t   */\n\t  function arrayIncludes(array, value) {\n\t    var length = array == null ? 0 : array.length;\n\t    return !!length && baseIndexOf(array, value, 0) > -1;\n\t  }\n\t\n\t  /**\n\t   * This function is like `arrayIncludes` except that it accepts a comparator.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to inspect.\n\t   * @param {*} target The value to search for.\n\t   * @param {Function} comparator The comparator invoked per element.\n\t   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n\t   */\n\t  function arrayIncludesWith(array, value, comparator) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (comparator(value, array[index])) {\n\t        return true;\n\t      }\n\t    }\n\t    return false;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.map` for arrays without support for iteratee\n\t   * shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns the new mapped array.\n\t   */\n\t  function arrayMap(array, iteratee) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length,\n\t        result = Array(length);\n\t\n\t    while (++index < length) {\n\t      result[index] = iteratee(array[index], index, array);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Appends the elements of `values` to `array`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to modify.\n\t   * @param {Array} values The values to append.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayPush(array, values) {\n\t    var index = -1,\n\t        length = values.length,\n\t        offset = array.length;\n\t\n\t    while (++index < length) {\n\t      array[offset + index] = values[index];\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.reduce` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} [accumulator] The initial value.\n\t   * @param {boolean} [initAccum] Specify using the first element of `array` as\n\t   *  the initial value.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function arrayReduce(array, iteratee, accumulator, initAccum) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    if (initAccum && length) {\n\t      accumulator = array[++index];\n\t    }\n\t    while (++index < length) {\n\t      accumulator = iteratee(accumulator, array[index], index, array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.reduceRight` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} [accumulator] The initial value.\n\t   * @param {boolean} [initAccum] Specify using the last element of `array` as\n\t   *  the initial value.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n\t    var length = array == null ? 0 : array.length;\n\t    if (initAccum && length) {\n\t      accumulator = array[--length];\n\t    }\n\t    while (length--) {\n\t      accumulator = iteratee(accumulator, array[length], length, array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.some` for arrays without support for iteratee\n\t   * shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t   *  else `false`.\n\t   */\n\t  function arraySome(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (predicate(array[index], index, array)) {\n\t        return true;\n\t      }\n\t    }\n\t    return false;\n\t  }\n\t\n\t  /**\n\t   * Gets the size of an ASCII `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  var asciiSize = baseProperty('length');\n\t\n\t  /**\n\t   * Converts an ASCII `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function asciiToArray(string) {\n\t    return string.split('');\n\t  }\n\t\n\t  /**\n\t   * Splits an ASCII `string` into an array of its words.\n\t   *\n\t   * @private\n\t   * @param {string} The string to inspect.\n\t   * @returns {Array} Returns the words of `string`.\n\t   */\n\t  function asciiWords(string) {\n\t    return string.match(reAsciiWord) || [];\n\t  }\n\t\n\t  /**\n\t   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n\t   * without support for iteratee shorthands, which iterates over `collection`\n\t   * using `eachFunc`.\n\t   *\n\t   * @private\n\t   * @param {Array|Object} collection The collection to inspect.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @param {Function} eachFunc The function to iterate over `collection`.\n\t   * @returns {*} Returns the found element or its key, else `undefined`.\n\t   */\n\t  function baseFindKey(collection, predicate, eachFunc) {\n\t    var result;\n\t    eachFunc(collection, function(value, key, collection) {\n\t      if (predicate(value, key, collection)) {\n\t        result = key;\n\t        return false;\n\t      }\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n\t   * support for iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @param {boolean} [fromRight] Specify iterating from right to left.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n\t    var length = array.length,\n\t        index = fromIndex + (fromRight ? 1 : -1);\n\t\n\t    while ((fromRight ? index-- : ++index < length)) {\n\t      if (predicate(array[index], index, array)) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseIndexOf(array, value, fromIndex) {\n\t    return value === value\n\t      ? strictIndexOf(array, value, fromIndex)\n\t      : baseFindIndex(array, baseIsNaN, fromIndex);\n\t  }\n\t\n\t  /**\n\t   * This function is like `baseIndexOf` except that it accepts a comparator.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @param {Function} comparator The comparator invoked per element.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseIndexOfWith(array, value, fromIndex, comparator) {\n\t    var index = fromIndex - 1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      if (comparator(array[index], value)) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.isNaN` without support for number objects.\n\t   *\n\t   * @private\n\t   * @param {*} value The value to check.\n\t   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t   */\n\t  function baseIsNaN(value) {\n\t    return value !== value;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.mean` and `_.meanBy` without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {number} Returns the mean.\n\t   */\n\t  function baseMean(array, iteratee) {\n\t    var length = array == null ? 0 : array.length;\n\t    return length ? (baseSum(array, iteratee) / length) : NAN;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.property` without support for deep paths.\n\t   *\n\t   * @private\n\t   * @param {string} key The key of the property to get.\n\t   * @returns {Function} Returns the new accessor function.\n\t   */\n\t  function baseProperty(key) {\n\t    return function(object) {\n\t      return object == null ? undefined : object[key];\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.propertyOf` without support for deep paths.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @returns {Function} Returns the new accessor function.\n\t   */\n\t  function basePropertyOf(object) {\n\t    return function(key) {\n\t      return object == null ? undefined : object[key];\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n\t   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n\t   *\n\t   * @private\n\t   * @param {Array|Object} collection The collection to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} accumulator The initial value.\n\t   * @param {boolean} initAccum Specify using the first or last element of\n\t   *  `collection` as the initial value.\n\t   * @param {Function} eachFunc The function to iterate over `collection`.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n\t    eachFunc(collection, function(value, index, collection) {\n\t      accumulator = initAccum\n\t        ? (initAccum = false, value)\n\t        : iteratee(accumulator, value, index, collection);\n\t    });\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.sortBy` which uses `comparer` to define the\n\t   * sort order of `array` and replaces criteria objects with their corresponding\n\t   * values.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to sort.\n\t   * @param {Function} comparer The function to define sort order.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function baseSortBy(array, comparer) {\n\t    var length = array.length;\n\t\n\t    array.sort(comparer);\n\t    while (length--) {\n\t      array[length] = array[length].value;\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.sum` and `_.sumBy` without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {number} Returns the sum.\n\t   */\n\t  function baseSum(array, iteratee) {\n\t    var result,\n\t        index = -1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      var current = iteratee(array[index]);\n\t      if (current !== undefined) {\n\t        result = result === undefined ? current : (result + current);\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.times` without support for iteratee shorthands\n\t   * or max array length checks.\n\t   *\n\t   * @private\n\t   * @param {number} n The number of times to invoke `iteratee`.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns the array of results.\n\t   */\n\t  function baseTimes(n, iteratee) {\n\t    var index = -1,\n\t        result = Array(n);\n\t\n\t    while (++index < n) {\n\t      result[index] = iteratee(index);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n\t   * of key-value pairs for `object` corresponding to the property names of `props`.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @param {Array} props The property names to get values for.\n\t   * @returns {Object} Returns the key-value pairs.\n\t   */\n\t  function baseToPairs(object, props) {\n\t    return arrayMap(props, function(key) {\n\t      return [key, object[key]];\n\t    });\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.unary` without support for storing metadata.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to cap arguments for.\n\t   * @returns {Function} Returns the new capped function.\n\t   */\n\t  function baseUnary(func) {\n\t    return function(value) {\n\t      return func(value);\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.values` and `_.valuesIn` which creates an\n\t   * array of `object` property values corresponding to the property names\n\t   * of `props`.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @param {Array} props The property names to get values for.\n\t   * @returns {Object} Returns the array of property values.\n\t   */\n\t  function baseValues(object, props) {\n\t    return arrayMap(props, function(key) {\n\t      return object[key];\n\t    });\n\t  }\n\t\n\t  /**\n\t   * Checks if a `cache` value for `key` exists.\n\t   *\n\t   * @private\n\t   * @param {Object} cache The cache to query.\n\t   * @param {string} key The key of the entry to check.\n\t   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t   */\n\t  function cacheHas(cache, key) {\n\t    return cache.has(key);\n\t  }\n\t\n\t  /**\n\t   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n\t   * that is not found in the character symbols.\n\t   *\n\t   * @private\n\t   * @param {Array} strSymbols The string symbols to inspect.\n\t   * @param {Array} chrSymbols The character symbols to find.\n\t   * @returns {number} Returns the index of the first unmatched string symbol.\n\t   */\n\t  function charsStartIndex(strSymbols, chrSymbols) {\n\t    var index = -1,\n\t        length = strSymbols.length;\n\t\n\t    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n\t   * that is not found in the character symbols.\n\t   *\n\t   * @private\n\t   * @param {Array} strSymbols The string symbols to inspect.\n\t   * @param {Array} chrSymbols The character symbols to find.\n\t   * @returns {number} Returns the index of the last unmatched string symbol.\n\t   */\n\t  function charsEndIndex(strSymbols, chrSymbols) {\n\t    var index = strSymbols.length;\n\t\n\t    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Gets the number of `placeholder` occurrences in `array`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} placeholder The placeholder to search for.\n\t   * @returns {number} Returns the placeholder count.\n\t   */\n\t  function countHolders(array, placeholder) {\n\t    var length = array.length,\n\t        result = 0;\n\t\n\t    while (length--) {\n\t      if (array[length] === placeholder) {\n\t        ++result;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n\t   * letters to basic Latin letters.\n\t   *\n\t   * @private\n\t   * @param {string} letter The matched letter to deburr.\n\t   * @returns {string} Returns the deburred letter.\n\t   */\n\t  var deburrLetter = basePropertyOf(deburredLetters);\n\t\n\t  /**\n\t   * Used by `_.escape` to convert characters to HTML entities.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to escape.\n\t   * @returns {string} Returns the escaped character.\n\t   */\n\t  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\t\n\t  /**\n\t   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to escape.\n\t   * @returns {string} Returns the escaped character.\n\t   */\n\t  function escapeStringChar(chr) {\n\t    return '\\\\' + stringEscapes[chr];\n\t  }\n\t\n\t  /**\n\t   * Gets the value at `key` of `object`.\n\t   *\n\t   * @private\n\t   * @param {Object} [object] The object to query.\n\t   * @param {string} key The key of the property to get.\n\t   * @returns {*} Returns the property value.\n\t   */\n\t  function getValue(object, key) {\n\t    return object == null ? undefined : object[key];\n\t  }\n\t\n\t  /**\n\t   * Checks if `string` contains Unicode symbols.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n\t   */\n\t  function hasUnicode(string) {\n\t    return reHasUnicode.test(string);\n\t  }\n\t\n\t  /**\n\t   * Checks if `string` contains a word composed of Unicode symbols.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {boolean} Returns `true` if a word is found, else `false`.\n\t   */\n\t  function hasUnicodeWord(string) {\n\t    return reHasUnicodeWord.test(string);\n\t  }\n\t\n\t  /**\n\t   * Converts `iterator` to an array.\n\t   *\n\t   * @private\n\t   * @param {Object} iterator The iterator to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function iteratorToArray(iterator) {\n\t    var data,\n\t        result = [];\n\t\n\t    while (!(data = iterator.next()).done) {\n\t      result.push(data.value);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `map` to its key-value pairs.\n\t   *\n\t   * @private\n\t   * @param {Object} map The map to convert.\n\t   * @returns {Array} Returns the key-value pairs.\n\t   */\n\t  function mapToArray(map) {\n\t    var index = -1,\n\t        result = Array(map.size);\n\t\n\t    map.forEach(function(value, key) {\n\t      result[++index] = [key, value];\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Creates a unary function that invokes `func` with its argument transformed.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to wrap.\n\t   * @param {Function} transform The argument transform.\n\t   * @returns {Function} Returns the new function.\n\t   */\n\t  function overArg(func, transform) {\n\t    return function(arg) {\n\t      return func(transform(arg));\n\t    };\n\t  }\n\t\n\t  /**\n\t   * Replaces all `placeholder` elements in `array` with an internal placeholder\n\t   * and returns an array of their indexes.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to modify.\n\t   * @param {*} placeholder The placeholder to replace.\n\t   * @returns {Array} Returns the new array of placeholder indexes.\n\t   */\n\t  function replaceHolders(array, placeholder) {\n\t    var index = -1,\n\t        length = array.length,\n\t        resIndex = 0,\n\t        result = [];\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      if (value === placeholder || value === PLACEHOLDER) {\n\t        array[index] = PLACEHOLDER;\n\t        result[resIndex++] = index;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `set` to an array of its values.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to convert.\n\t   * @returns {Array} Returns the values.\n\t   */\n\t  function setToArray(set) {\n\t    var index = -1,\n\t        result = Array(set.size);\n\t\n\t    set.forEach(function(value) {\n\t      result[++index] = value;\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `set` to its value-value pairs.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to convert.\n\t   * @returns {Array} Returns the value-value pairs.\n\t   */\n\t  function setToPairs(set) {\n\t    var index = -1,\n\t        result = Array(set.size);\n\t\n\t    set.forEach(function(value) {\n\t      result[++index] = [value, value];\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.indexOf` which performs strict equality\n\t   * comparisons of values, i.e. `===`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function strictIndexOf(array, value, fromIndex) {\n\t    var index = fromIndex - 1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      if (array[index] === value) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.lastIndexOf` which performs strict equality\n\t   * comparisons of values, i.e. `===`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function strictLastIndexOf(array, value, fromIndex) {\n\t    var index = fromIndex + 1;\n\t    while (index--) {\n\t      if (array[index] === value) {\n\t        return index;\n\t      }\n\t    }\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Gets the number of symbols in `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  function stringSize(string) {\n\t    return hasUnicode(string)\n\t      ? unicodeSize(string)\n\t      : asciiSize(string);\n\t  }\n\t\n\t  /**\n\t   * Converts `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function stringToArray(string) {\n\t    return hasUnicode(string)\n\t      ? unicodeToArray(string)\n\t      : asciiToArray(string);\n\t  }\n\t\n\t  /**\n\t   * Used by `_.unescape` to convert HTML entities to characters.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to unescape.\n\t   * @returns {string} Returns the unescaped character.\n\t   */\n\t  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\t\n\t  /**\n\t   * Gets the size of a Unicode `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  function unicodeSize(string) {\n\t    var result = reUnicode.lastIndex = 0;\n\t    while (reUnicode.test(string)) {\n\t      ++result;\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts a Unicode `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function unicodeToArray(string) {\n\t    return string.match(reUnicode) || [];\n\t  }\n\t\n\t  /**\n\t   * Splits a Unicode `string` into an array of its words.\n\t   *\n\t   * @private\n\t   * @param {string} The string to inspect.\n\t   * @returns {Array} Returns the words of `string`.\n\t   */\n\t  function unicodeWords(string) {\n\t    return string.match(reUnicodeWord) || [];\n\t  }\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  /**\n\t   * Create a new pristine `lodash` function using the `context` object.\n\t   *\n\t   * @static\n\t   * @memberOf _\n\t   * @since 1.1.0\n\t   * @category Util\n\t   * @param {Object} [context=root] The context object.\n\t   * @returns {Function} Returns a new `lodash` function.\n\t   * @example\n\t   *\n\t   * _.mixin({ 'foo': _.constant('foo') });\n\t   *\n\t   * var lodash = _.runInContext();\n\t   * lodash.mixin({ 'bar': lodash.constant('bar') });\n\t   *\n\t   * _.isFunction(_.foo);\n\t   * // => true\n\t   * _.isFunction(_.bar);\n\t   * // => false\n\t   *\n\t   * lodash.isFunction(lodash.foo);\n\t   * // => false\n\t   * lodash.isFunction(lodash.bar);\n\t   * // => true\n\t   *\n\t   * // Create a suped-up `defer` in Node.js.\n\t   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n\t   */\n\t  var runInContext = (function runInContext(context) {\n\t    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\t\n\t    /** Built-in constructor references. */\n\t    var Array = context.Array,\n\t        Date = context.Date,\n\t        Error = context.Error,\n\t        Function = context.Function,\n\t        Math = context.Math,\n\t        Object = context.Object,\n\t        RegExp = context.RegExp,\n\t        String = context.String,\n\t        TypeError = context.TypeError;\n\t\n\t    /** Used for built-in method references. */\n\t    var arrayProto = Array.prototype,\n\t        funcProto = Function.prototype,\n\t        objectProto = Object.prototype;\n\t\n\t    /** Used to detect overreaching core-js shims. */\n\t    var coreJsData = context['__core-js_shared__'];\n\t\n\t    /** Used to resolve the decompiled source of functions. */\n\t    var funcToString = funcProto.toString;\n\t\n\t    /** Used to check objects for own properties. */\n\t    var hasOwnProperty = objectProto.hasOwnProperty;\n\t\n\t    /** Used to generate unique IDs. */\n\t    var idCounter = 0;\n\t\n\t    /** Used to detect methods masquerading as native. */\n\t    var maskSrcKey = (function() {\n\t      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n\t      return uid ? ('Symbol(src)_1.' + uid) : '';\n\t    }());\n\t\n\t    /**\n\t     * Used to resolve the\n\t     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n\t     * of values.\n\t     */\n\t    var nativeObjectToString = objectProto.toString;\n\t\n\t    /** Used to infer the `Object` constructor. */\n\t    var objectCtorString = funcToString.call(Object);\n\t\n\t    /** Used to restore the original `_` reference in `_.noConflict`. */\n\t    var oldDash = root._;\n\t\n\t    /** Used to detect if a method is native. */\n\t    var reIsNative = RegExp('^' +\n\t      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n\t      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n\t    );\n\t\n\t    /** Built-in value references. */\n\t    var Buffer = moduleExports ? context.Buffer : undefined,\n\t        Symbol = context.Symbol,\n\t        Uint8Array = context.Uint8Array,\n\t        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n\t        getPrototype = overArg(Object.getPrototypeOf, Object),\n\t        objectCreate = Object.create,\n\t        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n\t        splice = arrayProto.splice,\n\t        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n\t        symIterator = Symbol ? Symbol.iterator : undefined,\n\t        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\t\n\t    var defineProperty = (function() {\n\t      try {\n\t        var func = getNative(Object, 'defineProperty');\n\t        func({}, '', {});\n\t        return func;\n\t      } catch (e) {}\n\t    }());\n\t\n\t    /** Mocked built-ins. */\n\t    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n\t        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n\t        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\t\n\t    /* Built-in method references for those with the same name as other `lodash` methods. */\n\t    var nativeCeil = Math.ceil,\n\t        nativeFloor = Math.floor,\n\t        nativeGetSymbols = Object.getOwnPropertySymbols,\n\t        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n\t        nativeIsFinite = context.isFinite,\n\t        nativeJoin = arrayProto.join,\n\t        nativeKeys = overArg(Object.keys, Object),\n\t        nativeMax = Math.max,\n\t        nativeMin = Math.min,\n\t        nativeNow = Date.now,\n\t        nativeParseInt = context.parseInt,\n\t        nativeRandom = Math.random,\n\t        nativeReverse = arrayProto.reverse;\n\t\n\t    /* Built-in method references that are verified to be native. */\n\t    var DataView = getNative(context, 'DataView'),\n\t        Map = getNative(context, 'Map'),\n\t        Promise = getNative(context, 'Promise'),\n\t        Set = getNative(context, 'Set'),\n\t        WeakMap = getNative(context, 'WeakMap'),\n\t        nativeCreate = getNative(Object, 'create');\n\t\n\t    /** Used to store function metadata. */\n\t    var metaMap = WeakMap && new WeakMap;\n\t\n\t    /** Used to lookup unminified function names. */\n\t    var realNames = {};\n\t\n\t    /** Used to detect maps, sets, and weakmaps. */\n\t    var dataViewCtorString = toSource(DataView),\n\t        mapCtorString = toSource(Map),\n\t        promiseCtorString = toSource(Promise),\n\t        setCtorString = toSource(Set),\n\t        weakMapCtorString = toSource(WeakMap);\n\t\n\t    /** Used to convert symbols to primitives and strings. */\n\t    var symbolProto = Symbol ? Symbol.prototype : undefined,\n\t        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n\t        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a `lodash` object which wraps `value` to enable implicit method\n\t     * chain sequences. Methods that operate on and return arrays, collections,\n\t     * and functions can be chained together. Methods that retrieve a single value\n\t     * or may return a primitive value will automatically end the chain sequence\n\t     * and return the unwrapped value. Otherwise, the value must be unwrapped\n\t     * with `_#value`.\n\t     *\n\t     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n\t     * enabled using `_.chain`.\n\t     *\n\t     * The execution of chained methods is lazy, that is, it's deferred until\n\t     * `_#value` is implicitly or explicitly called.\n\t     *\n\t     * Lazy evaluation allows several methods to support shortcut fusion.\n\t     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n\t     * the creation of intermediate arrays and can greatly reduce the number of\n\t     * iteratee executions. Sections of a chain sequence qualify for shortcut\n\t     * fusion if the section is applied to an array and iteratees accept only\n\t     * one argument. The heuristic for whether a section qualifies for shortcut\n\t     * fusion is subject to change.\n\t     *\n\t     * Chaining is supported in custom builds as long as the `_#value` method is\n\t     * directly or indirectly included in the build.\n\t     *\n\t     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n\t     *\n\t     * The wrapper `Array` methods are:\n\t     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n\t     *\n\t     * The wrapper `String` methods are:\n\t     * `replace` and `split`\n\t     *\n\t     * The wrapper methods that support shortcut fusion are:\n\t     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n\t     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n\t     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n\t     *\n\t     * The chainable wrapper methods are:\n\t     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n\t     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n\t     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n\t     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n\t     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n\t     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n\t     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n\t     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n\t     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n\t     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n\t     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n\t     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n\t     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n\t     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n\t     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n\t     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n\t     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n\t     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n\t     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n\t     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n\t     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n\t     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n\t     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n\t     * `zipObject`, `zipObjectDeep`, and `zipWith`\n\t     *\n\t     * The wrapper methods that are **not** chainable by default are:\n\t     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n\t     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n\t     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n\t     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n\t     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n\t     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n\t     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n\t     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n\t     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n\t     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n\t     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n\t     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n\t     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n\t     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n\t     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n\t     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n\t     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n\t     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n\t     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n\t     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n\t     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n\t     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n\t     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n\t     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n\t     * `upperFirst`, `value`, and `words`\n\t     *\n\t     * @name _\n\t     * @constructor\n\t     * @category Seq\n\t     * @param {*} value The value to wrap in a `lodash` instance.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var wrapped = _([1, 2, 3]);\n\t     *\n\t     * // Returns an unwrapped value.\n\t     * wrapped.reduce(_.add);\n\t     * // => 6\n\t     *\n\t     * // Returns a wrapped value.\n\t     * var squares = wrapped.map(square);\n\t     *\n\t     * _.isArray(squares);\n\t     * // => false\n\t     *\n\t     * _.isArray(squares.value());\n\t     * // => true\n\t     */\n\t    function lodash(value) {\n\t      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n\t        if (value instanceof LodashWrapper) {\n\t          return value;\n\t        }\n\t        if (hasOwnProperty.call(value, '__wrapped__')) {\n\t          return wrapperClone(value);\n\t        }\n\t      }\n\t      return new LodashWrapper(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.create` without support for assigning\n\t     * properties to the created object.\n\t     *\n\t     * @private\n\t     * @param {Object} proto The object to inherit from.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    var baseCreate = (function() {\n\t      function object() {}\n\t      return function(proto) {\n\t        if (!isObject(proto)) {\n\t          return {};\n\t        }\n\t        if (objectCreate) {\n\t          return objectCreate(proto);\n\t        }\n\t        object.prototype = proto;\n\t        var result = new object;\n\t        object.prototype = undefined;\n\t        return result;\n\t      };\n\t    }());\n\t\n\t    /**\n\t     * The function whose prototype chain sequence wrappers inherit from.\n\t     *\n\t     * @private\n\t     */\n\t    function baseLodash() {\n\t      // No operation performed.\n\t    }\n\t\n\t    /**\n\t     * The base constructor for creating `lodash` wrapper objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to wrap.\n\t     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n\t     */\n\t    function LodashWrapper(value, chainAll) {\n\t      this.__wrapped__ = value;\n\t      this.__actions__ = [];\n\t      this.__chain__ = !!chainAll;\n\t      this.__index__ = 0;\n\t      this.__values__ = undefined;\n\t    }\n\t\n\t    /**\n\t     * By default, the template delimiters used by lodash are like those in\n\t     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n\t     * following template settings to use alternative delimiters.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @type {Object}\n\t     */\n\t    lodash.templateSettings = {\n\t\n\t      /**\n\t       * Used to detect `data` property values to be HTML-escaped.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'escape': reEscape,\n\t\n\t      /**\n\t       * Used to detect code to be evaluated.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'evaluate': reEvaluate,\n\t\n\t      /**\n\t       * Used to detect `data` property values to inject.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'interpolate': reInterpolate,\n\t\n\t      /**\n\t       * Used to reference the data object in the template text.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {string}\n\t       */\n\t      'variable': '',\n\t\n\t      /**\n\t       * Used to import variables into the compiled template.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {Object}\n\t       */\n\t      'imports': {\n\t\n\t        /**\n\t         * A reference to the `lodash` function.\n\t         *\n\t         * @memberOf _.templateSettings.imports\n\t         * @type {Function}\n\t         */\n\t        '_': lodash\n\t      }\n\t    };\n\t\n\t    // Ensure wrappers are instances of `baseLodash`.\n\t    lodash.prototype = baseLodash.prototype;\n\t    lodash.prototype.constructor = lodash;\n\t\n\t    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n\t    LodashWrapper.prototype.constructor = LodashWrapper;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {*} value The value to wrap.\n\t     */\n\t    function LazyWrapper(value) {\n\t      this.__wrapped__ = value;\n\t      this.__actions__ = [];\n\t      this.__dir__ = 1;\n\t      this.__filtered__ = false;\n\t      this.__iteratees__ = [];\n\t      this.__takeCount__ = MAX_ARRAY_LENGTH;\n\t      this.__views__ = [];\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the lazy wrapper object.\n\t     *\n\t     * @private\n\t     * @name clone\n\t     * @memberOf LazyWrapper\n\t     * @returns {Object} Returns the cloned `LazyWrapper` object.\n\t     */\n\t    function lazyClone() {\n\t      var result = new LazyWrapper(this.__wrapped__);\n\t      result.__actions__ = copyArray(this.__actions__);\n\t      result.__dir__ = this.__dir__;\n\t      result.__filtered__ = this.__filtered__;\n\t      result.__iteratees__ = copyArray(this.__iteratees__);\n\t      result.__takeCount__ = this.__takeCount__;\n\t      result.__views__ = copyArray(this.__views__);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Reverses the direction of lazy iteration.\n\t     *\n\t     * @private\n\t     * @name reverse\n\t     * @memberOf LazyWrapper\n\t     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n\t     */\n\t    function lazyReverse() {\n\t      if (this.__filtered__) {\n\t        var result = new LazyWrapper(this);\n\t        result.__dir__ = -1;\n\t        result.__filtered__ = true;\n\t      } else {\n\t        result = this.clone();\n\t        result.__dir__ *= -1;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Extracts the unwrapped value from its lazy wrapper.\n\t     *\n\t     * @private\n\t     * @name value\n\t     * @memberOf LazyWrapper\n\t     * @returns {*} Returns the unwrapped value.\n\t     */\n\t    function lazyValue() {\n\t      var array = this.__wrapped__.value(),\n\t          dir = this.__dir__,\n\t          isArr = isArray(array),\n\t          isRight = dir < 0,\n\t          arrLength = isArr ? array.length : 0,\n\t          view = getView(0, arrLength, this.__views__),\n\t          start = view.start,\n\t          end = view.end,\n\t          length = end - start,\n\t          index = isRight ? end : (start - 1),\n\t          iteratees = this.__iteratees__,\n\t          iterLength = iteratees.length,\n\t          resIndex = 0,\n\t          takeCount = nativeMin(length, this.__takeCount__);\n\t\n\t      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n\t        return baseWrapperValue(array, this.__actions__);\n\t      }\n\t      var result = [];\n\t\n\t      outer:\n\t      while (length-- && resIndex < takeCount) {\n\t        index += dir;\n\t\n\t        var iterIndex = -1,\n\t            value = array[index];\n\t\n\t        while (++iterIndex < iterLength) {\n\t          var data = iteratees[iterIndex],\n\t              iteratee = data.iteratee,\n\t              type = data.type,\n\t              computed = iteratee(value);\n\t\n\t          if (type == LAZY_MAP_FLAG) {\n\t            value = computed;\n\t          } else if (!computed) {\n\t            if (type == LAZY_FILTER_FLAG) {\n\t              continue outer;\n\t            } else {\n\t              break outer;\n\t            }\n\t          }\n\t        }\n\t        result[resIndex++] = value;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n\t    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n\t    LazyWrapper.prototype.constructor = LazyWrapper;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a hash object.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function Hash(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the hash.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf Hash\n\t     */\n\t    function hashClear() {\n\t      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the hash.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf Hash\n\t     * @param {Object} hash The hash to modify.\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function hashDelete(key) {\n\t      var result = this.has(key) && delete this.__data__[key];\n\t      this.size -= result ? 1 : 0;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the hash value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function hashGet(key) {\n\t      var data = this.__data__;\n\t      if (nativeCreate) {\n\t        var result = data[key];\n\t        return result === HASH_UNDEFINED ? undefined : result;\n\t      }\n\t      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n\t    }\n\t\n\t    /**\n\t     * Checks if a hash value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function hashHas(key) {\n\t      var data = this.__data__;\n\t      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n\t    }\n\t\n\t    /**\n\t     * Sets the hash `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the hash instance.\n\t     */\n\t    function hashSet(key, value) {\n\t      var data = this.__data__;\n\t      this.size += this.has(key) ? 0 : 1;\n\t      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `Hash`.\n\t    Hash.prototype.clear = hashClear;\n\t    Hash.prototype['delete'] = hashDelete;\n\t    Hash.prototype.get = hashGet;\n\t    Hash.prototype.has = hashHas;\n\t    Hash.prototype.set = hashSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an list cache object.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function ListCache(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the list cache.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf ListCache\n\t     */\n\t    function listCacheClear() {\n\t      this.__data__ = [];\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the list cache.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function listCacheDelete(key) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      if (index < 0) {\n\t        return false;\n\t      }\n\t      var lastIndex = data.length - 1;\n\t      if (index == lastIndex) {\n\t        data.pop();\n\t      } else {\n\t        splice.call(data, index, 1);\n\t      }\n\t      --this.size;\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Gets the list cache value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function listCacheGet(key) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      return index < 0 ? undefined : data[index][1];\n\t    }\n\t\n\t    /**\n\t     * Checks if a list cache value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function listCacheHas(key) {\n\t      return assocIndexOf(this.__data__, key) > -1;\n\t    }\n\t\n\t    /**\n\t     * Sets the list cache `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the list cache instance.\n\t     */\n\t    function listCacheSet(key, value) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      if (index < 0) {\n\t        ++this.size;\n\t        data.push([key, value]);\n\t      } else {\n\t        data[index][1] = value;\n\t      }\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `ListCache`.\n\t    ListCache.prototype.clear = listCacheClear;\n\t    ListCache.prototype['delete'] = listCacheDelete;\n\t    ListCache.prototype.get = listCacheGet;\n\t    ListCache.prototype.has = listCacheHas;\n\t    ListCache.prototype.set = listCacheSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a map cache object to store key-value pairs.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function MapCache(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the map.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf MapCache\n\t     */\n\t    function mapCacheClear() {\n\t      this.size = 0;\n\t      this.__data__ = {\n\t        'hash': new Hash,\n\t        'map': new (Map || ListCache),\n\t        'string': new Hash\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the map.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function mapCacheDelete(key) {\n\t      var result = getMapData(this, key)['delete'](key);\n\t      this.size -= result ? 1 : 0;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the map value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function mapCacheGet(key) {\n\t      return getMapData(this, key).get(key);\n\t    }\n\t\n\t    /**\n\t     * Checks if a map value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function mapCacheHas(key) {\n\t      return getMapData(this, key).has(key);\n\t    }\n\t\n\t    /**\n\t     * Sets the map `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the map cache instance.\n\t     */\n\t    function mapCacheSet(key, value) {\n\t      var data = getMapData(this, key),\n\t          size = data.size;\n\t\n\t      data.set(key, value);\n\t      this.size += data.size == size ? 0 : 1;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `MapCache`.\n\t    MapCache.prototype.clear = mapCacheClear;\n\t    MapCache.prototype['delete'] = mapCacheDelete;\n\t    MapCache.prototype.get = mapCacheGet;\n\t    MapCache.prototype.has = mapCacheHas;\n\t    MapCache.prototype.set = mapCacheSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     *\n\t     * Creates an array cache object to store unique values.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [values] The values to cache.\n\t     */\n\t    function SetCache(values) {\n\t      var index = -1,\n\t          length = values == null ? 0 : values.length;\n\t\n\t      this.__data__ = new MapCache;\n\t      while (++index < length) {\n\t        this.add(values[index]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Adds `value` to the array cache.\n\t     *\n\t     * @private\n\t     * @name add\n\t     * @memberOf SetCache\n\t     * @alias push\n\t     * @param {*} value The value to cache.\n\t     * @returns {Object} Returns the cache instance.\n\t     */\n\t    function setCacheAdd(value) {\n\t      this.__data__.set(value, HASH_UNDEFINED);\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is in the array cache.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf SetCache\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns `true` if `value` is found, else `false`.\n\t     */\n\t    function setCacheHas(value) {\n\t      return this.__data__.has(value);\n\t    }\n\t\n\t    // Add methods to `SetCache`.\n\t    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n\t    SetCache.prototype.has = setCacheHas;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a stack cache object to store key-value pairs.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function Stack(entries) {\n\t      var data = this.__data__ = new ListCache(entries);\n\t      this.size = data.size;\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the stack.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf Stack\n\t     */\n\t    function stackClear() {\n\t      this.__data__ = new ListCache;\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the stack.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function stackDelete(key) {\n\t      var data = this.__data__,\n\t          result = data['delete'](key);\n\t\n\t      this.size = data.size;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the stack value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function stackGet(key) {\n\t      return this.__data__.get(key);\n\t    }\n\t\n\t    /**\n\t     * Checks if a stack value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function stackHas(key) {\n\t      return this.__data__.has(key);\n\t    }\n\t\n\t    /**\n\t     * Sets the stack `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the stack cache instance.\n\t     */\n\t    function stackSet(key, value) {\n\t      var data = this.__data__;\n\t      if (data instanceof ListCache) {\n\t        var pairs = data.__data__;\n\t        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n\t          pairs.push([key, value]);\n\t          this.size = ++data.size;\n\t          return this;\n\t        }\n\t        data = this.__data__ = new MapCache(pairs);\n\t      }\n\t      data.set(key, value);\n\t      this.size = data.size;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `Stack`.\n\t    Stack.prototype.clear = stackClear;\n\t    Stack.prototype['delete'] = stackDelete;\n\t    Stack.prototype.get = stackGet;\n\t    Stack.prototype.has = stackHas;\n\t    Stack.prototype.set = stackSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an array of the enumerable property names of the array-like `value`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @param {boolean} inherited Specify returning inherited property names.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function arrayLikeKeys(value, inherited) {\n\t      var isArr = isArray(value),\n\t          isArg = !isArr && isArguments(value),\n\t          isBuff = !isArr && !isArg && isBuffer(value),\n\t          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n\t          skipIndexes = isArr || isArg || isBuff || isType,\n\t          result = skipIndexes ? baseTimes(value.length, String) : [],\n\t          length = result.length;\n\t\n\t      for (var key in value) {\n\t        if ((inherited || hasOwnProperty.call(value, key)) &&\n\t            !(skipIndexes && (\n\t               // Safari 9 has enumerable `arguments.length` in strict mode.\n\t               key == 'length' ||\n\t               // Node.js 0.10 has enumerable non-index properties on buffers.\n\t               (isBuff && (key == 'offset' || key == 'parent')) ||\n\t               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n\t               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n\t               // Skip index properties.\n\t               isIndex(key, length)\n\t            ))) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.sample` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to sample.\n\t     * @returns {*} Returns the random element.\n\t     */\n\t    function arraySample(array) {\n\t      var length = array.length;\n\t      return length ? array[baseRandom(0, length - 1)] : undefined;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.sampleSize` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to sample.\n\t     * @param {number} n The number of elements to sample.\n\t     * @returns {Array} Returns the random elements.\n\t     */\n\t    function arraySampleSize(array, n) {\n\t      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.shuffle` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     */\n\t    function arrayShuffle(array) {\n\t      return shuffleSelf(copyArray(array));\n\t    }\n\t\n\t    /**\n\t     * This function is like `assignValue` except that it doesn't assign\n\t     * `undefined` values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function assignMergeValue(object, key, value) {\n\t      if ((value !== undefined && !eq(object[key], value)) ||\n\t          (value === undefined && !(key in object))) {\n\t        baseAssignValue(object, key, value);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function assignValue(object, key, value) {\n\t      var objValue = object[key];\n\t      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n\t          (value === undefined && !(key in object))) {\n\t        baseAssignValue(object, key, value);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Gets the index at which the `key` is found in `array` of key-value pairs.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} key The key to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     */\n\t    function assocIndexOf(array, key) {\n\t      var length = array.length;\n\t      while (length--) {\n\t        if (eq(array[length][0], key)) {\n\t          return length;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * Aggregates elements of `collection` on `accumulator` with keys transformed\n\t     * by `iteratee` and values set by `setter`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} setter The function to set `accumulator` values.\n\t     * @param {Function} iteratee The iteratee to transform keys.\n\t     * @param {Object} accumulator The initial aggregated object.\n\t     * @returns {Function} Returns `accumulator`.\n\t     */\n\t    function baseAggregator(collection, setter, iteratee, accumulator) {\n\t      baseEach(collection, function(value, key, collection) {\n\t        setter(accumulator, value, iteratee(value), collection);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.assign` without support for multiple sources\n\t     * or `customizer` functions.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseAssign(object, source) {\n\t      return object && copyObject(source, keys(source), object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.assignIn` without support for multiple sources\n\t     * or `customizer` functions.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseAssignIn(object, source) {\n\t      return object && copyObject(source, keysIn(source), object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `assignValue` and `assignMergeValue` without\n\t     * value checks.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function baseAssignValue(object, key, value) {\n\t      if (key == '__proto__' && defineProperty) {\n\t        defineProperty(object, key, {\n\t          'configurable': true,\n\t          'enumerable': true,\n\t          'value': value,\n\t          'writable': true\n\t        });\n\t      } else {\n\t        object[key] = value;\n\t      }\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.at` without support for individual paths.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @returns {Array} Returns the picked elements.\n\t     */\n\t    function baseAt(object, paths) {\n\t      var index = -1,\n\t          length = paths.length,\n\t          result = Array(length),\n\t          skip = object == null;\n\t\n\t      while (++index < length) {\n\t        result[index] = skip ? undefined : get(object, paths[index]);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.clamp` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} number The number to clamp.\n\t     * @param {number} [lower] The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the clamped number.\n\t     */\n\t    function baseClamp(number, lower, upper) {\n\t      if (number === number) {\n\t        if (upper !== undefined) {\n\t          number = number <= upper ? number : upper;\n\t        }\n\t        if (lower !== undefined) {\n\t          number = number >= lower ? number : lower;\n\t        }\n\t      }\n\t      return number;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n\t     * traversed objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to clone.\n\t     * @param {boolean} bitmask The bitmask flags.\n\t     *  1 - Deep clone\n\t     *  2 - Flatten inherited properties\n\t     *  4 - Clone symbols\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @param {string} [key] The key of `value`.\n\t     * @param {Object} [object] The parent object of `value`.\n\t     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n\t     * @returns {*} Returns the cloned value.\n\t     */\n\t    function baseClone(value, bitmask, customizer, key, object, stack) {\n\t      var result,\n\t          isDeep = bitmask & CLONE_DEEP_FLAG,\n\t          isFlat = bitmask & CLONE_FLAT_FLAG,\n\t          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\t\n\t      if (customizer) {\n\t        result = object ? customizer(value, key, object, stack) : customizer(value);\n\t      }\n\t      if (result !== undefined) {\n\t        return result;\n\t      }\n\t      if (!isObject(value)) {\n\t        return value;\n\t      }\n\t      var isArr = isArray(value);\n\t      if (isArr) {\n\t        result = initCloneArray(value);\n\t        if (!isDeep) {\n\t          return copyArray(value, result);\n\t        }\n\t      } else {\n\t        var tag = getTag(value),\n\t            isFunc = tag == funcTag || tag == genTag;\n\t\n\t        if (isBuffer(value)) {\n\t          return cloneBuffer(value, isDeep);\n\t        }\n\t        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n\t          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n\t          if (!isDeep) {\n\t            return isFlat\n\t              ? copySymbolsIn(value, baseAssignIn(result, value))\n\t              : copySymbols(value, baseAssign(result, value));\n\t          }\n\t        } else {\n\t          if (!cloneableTags[tag]) {\n\t            return object ? value : {};\n\t          }\n\t          result = initCloneByTag(value, tag, baseClone, isDeep);\n\t        }\n\t      }\n\t      // Check for circular references and return its corresponding clone.\n\t      stack || (stack = new Stack);\n\t      var stacked = stack.get(value);\n\t      if (stacked) {\n\t        return stacked;\n\t      }\n\t      stack.set(value, result);\n\t\n\t      var keysFunc = isFull\n\t        ? (isFlat ? getAllKeysIn : getAllKeys)\n\t        : (isFlat ? keysIn : keys);\n\t\n\t      var props = isArr ? undefined : keysFunc(value);\n\t      arrayEach(props || value, function(subValue, key) {\n\t        if (props) {\n\t          key = subValue;\n\t          subValue = value[key];\n\t        }\n\t        // Recursively populate clone (susceptible to call stack limits).\n\t        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.conforms` which doesn't clone `source`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseConforms(source) {\n\t      var props = keys(source);\n\t      return function(object) {\n\t        return baseConformsTo(object, source, props);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.conformsTo` which accepts `props` to check.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n\t     */\n\t    function baseConformsTo(object, source, props) {\n\t      var length = props.length;\n\t      if (object == null) {\n\t        return !length;\n\t      }\n\t      object = Object(object);\n\t      while (length--) {\n\t        var key = props[length],\n\t            predicate = source[key],\n\t            value = object[key];\n\t\n\t        if ((value === undefined && !(key in object)) || !predicate(value)) {\n\t          return false;\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n\t     * to provide to `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @param {Array} args The arguments to provide to `func`.\n\t     * @returns {number|Object} Returns the timer id or timeout object.\n\t     */\n\t    function baseDelay(func, wait, args) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      return setTimeout(function() { func.apply(undefined, args); }, wait);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.difference` without support\n\t     * for excluding multiple arrays or iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Array} values The values to exclude.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     */\n\t    function baseDifference(array, values, iteratee, comparator) {\n\t      var index = -1,\n\t          includes = arrayIncludes,\n\t          isCommon = true,\n\t          length = array.length,\n\t          result = [],\n\t          valuesLength = values.length;\n\t\n\t      if (!length) {\n\t        return result;\n\t      }\n\t      if (iteratee) {\n\t        values = arrayMap(values, baseUnary(iteratee));\n\t      }\n\t      if (comparator) {\n\t        includes = arrayIncludesWith;\n\t        isCommon = false;\n\t      }\n\t      else if (values.length >= LARGE_ARRAY_SIZE) {\n\t        includes = cacheHas;\n\t        isCommon = false;\n\t        values = new SetCache(values);\n\t      }\n\t      outer:\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee == null ? value : iteratee(value);\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (isCommon && computed === computed) {\n\t          var valuesIndex = valuesLength;\n\t          while (valuesIndex--) {\n\t            if (values[valuesIndex] === computed) {\n\t              continue outer;\n\t            }\n\t          }\n\t          result.push(value);\n\t        }\n\t        else if (!includes(values, computed, comparator)) {\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.forEach` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     */\n\t    var baseEach = createBaseEach(baseForOwn);\n\t\n\t    /**\n\t     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     */\n\t    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\t\n\t    /**\n\t     * The base implementation of `_.every` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t     *  else `false`\n\t     */\n\t    function baseEvery(collection, predicate) {\n\t      var result = true;\n\t      baseEach(collection, function(value, index, collection) {\n\t        result = !!predicate(value, index, collection);\n\t        return result;\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.max` and `_.min` which accepts a\n\t     * `comparator` to determine the extremum value.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} iteratee The iteratee invoked per iteration.\n\t     * @param {Function} comparator The comparator used to compare values.\n\t     * @returns {*} Returns the extremum value.\n\t     */\n\t    function baseExtremum(array, iteratee, comparator) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            current = iteratee(value);\n\t\n\t        if (current != null && (computed === undefined\n\t              ? (current === current && !isSymbol(current))\n\t              : comparator(current, computed)\n\t            )) {\n\t          var computed = current,\n\t              result = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.fill` without an iteratee call guard.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to fill.\n\t     * @param {*} value The value to fill `array` with.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function baseFill(array, value, start, end) {\n\t      var length = array.length;\n\t\n\t      start = toInteger(start);\n\t      if (start < 0) {\n\t        start = -start > length ? 0 : (length + start);\n\t      }\n\t      end = (end === undefined || end > length) ? length : toInteger(end);\n\t      if (end < 0) {\n\t        end += length;\n\t      }\n\t      end = start > end ? 0 : toLength(end);\n\t      while (start < end) {\n\t        array[start++] = value;\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.filter` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     */\n\t    function baseFilter(collection, predicate) {\n\t      var result = [];\n\t      baseEach(collection, function(value, index, collection) {\n\t        if (predicate(value, index, collection)) {\n\t          result.push(value);\n\t        }\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.flatten` with support for restricting flattening.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to flatten.\n\t     * @param {number} depth The maximum recursion depth.\n\t     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n\t     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n\t     * @param {Array} [result=[]] The initial result value.\n\t     * @returns {Array} Returns the new flattened array.\n\t     */\n\t    function baseFlatten(array, depth, predicate, isStrict, result) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      predicate || (predicate = isFlattenable);\n\t      result || (result = []);\n\t\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (depth > 0 && predicate(value)) {\n\t          if (depth > 1) {\n\t            // Recursively flatten arrays (susceptible to call stack limits).\n\t            baseFlatten(value, depth - 1, predicate, isStrict, result);\n\t          } else {\n\t            arrayPush(result, value);\n\t          }\n\t        } else if (!isStrict) {\n\t          result[result.length] = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `baseForOwn` which iterates over `object`\n\t     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    var baseFor = createBaseFor();\n\t\n\t    /**\n\t     * This function is like `baseFor` except that it iterates over properties\n\t     * in the opposite order.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    var baseForRight = createBaseFor(true);\n\t\n\t    /**\n\t     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseForOwn(object, iteratee) {\n\t      return object && baseFor(object, iteratee, keys);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseForOwnRight(object, iteratee) {\n\t      return object && baseForRight(object, iteratee, keys);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.functions` which creates an array of\n\t     * `object` function property names filtered from `props`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Array} props The property names to filter.\n\t     * @returns {Array} Returns the function names.\n\t     */\n\t    function baseFunctions(object, props) {\n\t      return arrayFilter(props, function(key) {\n\t        return isFunction(object[key]);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.get` without support for default values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {*} Returns the resolved value.\n\t     */\n\t    function baseGet(object, path) {\n\t      path = castPath(path, object);\n\t\n\t      var index = 0,\n\t          length = path.length;\n\t\n\t      while (object != null && index < length) {\n\t        object = object[toKey(path[index++])];\n\t      }\n\t      return (index && index == length) ? object : undefined;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n\t     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n\t     * symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n\t      var result = keysFunc(object);\n\t      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `getTag` without fallbacks for buggy environments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the `toStringTag`.\n\t     */\n\t    function baseGetTag(value) {\n\t      if (value == null) {\n\t        return value === undefined ? undefinedTag : nullTag;\n\t      }\n\t      return (symToStringTag && symToStringTag in Object(value))\n\t        ? getRawTag(value)\n\t        : objectToString(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.gt` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t     *  else `false`.\n\t     */\n\t    function baseGt(value, other) {\n\t      return value > other;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.has` without support for deep paths.\n\t     *\n\t     * @private\n\t     * @param {Object} [object] The object to query.\n\t     * @param {Array|string} key The key to check.\n\t     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n\t     */\n\t    function baseHas(object, key) {\n\t      return object != null && hasOwnProperty.call(object, key);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.hasIn` without support for deep paths.\n\t     *\n\t     * @private\n\t     * @param {Object} [object] The object to query.\n\t     * @param {Array|string} key The key to check.\n\t     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n\t     */\n\t    function baseHasIn(object, key) {\n\t      return object != null && key in Object(object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.inRange` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} number The number to check.\n\t     * @param {number} start The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t     */\n\t    function baseInRange(number, start, end) {\n\t      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.intersection`, without support\n\t     * for iteratee shorthands, that accepts an array of arrays to inspect.\n\t     *\n\t     * @private\n\t     * @param {Array} arrays The arrays to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of shared values.\n\t     */\n\t    function baseIntersection(arrays, iteratee, comparator) {\n\t      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n\t          length = arrays[0].length,\n\t          othLength = arrays.length,\n\t          othIndex = othLength,\n\t          caches = Array(othLength),\n\t          maxLength = Infinity,\n\t          result = [];\n\t\n\t      while (othIndex--) {\n\t        var array = arrays[othIndex];\n\t        if (othIndex && iteratee) {\n\t          array = arrayMap(array, baseUnary(iteratee));\n\t        }\n\t        maxLength = nativeMin(array.length, maxLength);\n\t        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n\t          ? new SetCache(othIndex && array)\n\t          : undefined;\n\t      }\n\t      array = arrays[0];\n\t\n\t      var index = -1,\n\t          seen = caches[0];\n\t\n\t      outer:\n\t      while (++index < length && result.length < maxLength) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (!(seen\n\t              ? cacheHas(seen, computed)\n\t              : includes(result, computed, comparator)\n\t            )) {\n\t          othIndex = othLength;\n\t          while (--othIndex) {\n\t            var cache = caches[othIndex];\n\t            if (!(cache\n\t                  ? cacheHas(cache, computed)\n\t                  : includes(arrays[othIndex], computed, comparator))\n\t                ) {\n\t              continue outer;\n\t            }\n\t          }\n\t          if (seen) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.invert` and `_.invertBy` which inverts\n\t     * `object` with values transformed by `iteratee` and set by `setter`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} setter The function to set `accumulator` values.\n\t     * @param {Function} iteratee The iteratee to transform values.\n\t     * @param {Object} accumulator The initial inverted object.\n\t     * @returns {Function} Returns `accumulator`.\n\t     */\n\t    function baseInverter(object, setter, iteratee, accumulator) {\n\t      baseForOwn(object, function(value, key, object) {\n\t        setter(accumulator, iteratee(value), key, object);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.invoke` without support for individual\n\t     * method arguments.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {Array} args The arguments to invoke the method with.\n\t     * @returns {*} Returns the result of the invoked method.\n\t     */\n\t    function baseInvoke(object, path, args) {\n\t      path = castPath(path, object);\n\t      object = parent(object, path);\n\t      var func = object == null ? object : object[toKey(last(path))];\n\t      return func == null ? undefined : apply(func, object, args);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isArguments`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n\t     */\n\t    function baseIsArguments(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == argsTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n\t     */\n\t    function baseIsArrayBuffer(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isDate` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n\t     */\n\t    function baseIsDate(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == dateTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isEqual` which supports partial comparisons\n\t     * and tracks traversed objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @param {boolean} bitmask The bitmask flags.\n\t     *  1 - Unordered comparison\n\t     *  2 - Partial comparison\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     */\n\t    function baseIsEqual(value, other, bitmask, customizer, stack) {\n\t      if (value === other) {\n\t        return true;\n\t      }\n\t      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n\t        return value !== value && other !== other;\n\t      }\n\t      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqual` for arrays and objects which performs\n\t     * deep comparisons and tracks traversed objects enabling objects with circular\n\t     * references to be compared.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n\t      var objIsArr = isArray(object),\n\t          othIsArr = isArray(other),\n\t          objTag = objIsArr ? arrayTag : getTag(object),\n\t          othTag = othIsArr ? arrayTag : getTag(other);\n\t\n\t      objTag = objTag == argsTag ? objectTag : objTag;\n\t      othTag = othTag == argsTag ? objectTag : othTag;\n\t\n\t      var objIsObj = objTag == objectTag,\n\t          othIsObj = othTag == objectTag,\n\t          isSameTag = objTag == othTag;\n\t\n\t      if (isSameTag && isBuffer(object)) {\n\t        if (!isBuffer(other)) {\n\t          return false;\n\t        }\n\t        objIsArr = true;\n\t        objIsObj = false;\n\t      }\n\t      if (isSameTag && !objIsObj) {\n\t        stack || (stack = new Stack);\n\t        return (objIsArr || isTypedArray(object))\n\t          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n\t          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n\t      }\n\t      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n\t        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n\t            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\t\n\t        if (objIsWrapped || othIsWrapped) {\n\t          var objUnwrapped = objIsWrapped ? object.value() : object,\n\t              othUnwrapped = othIsWrapped ? other.value() : other;\n\t\n\t          stack || (stack = new Stack);\n\t          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n\t        }\n\t      }\n\t      if (!isSameTag) {\n\t        return false;\n\t      }\n\t      stack || (stack = new Stack);\n\t      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isMap` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n\t     */\n\t    function baseIsMap(value) {\n\t      return isObjectLike(value) && getTag(value) == mapTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @param {Array} matchData The property names, values, and compare flags to match.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     */\n\t    function baseIsMatch(object, source, matchData, customizer) {\n\t      var index = matchData.length,\n\t          length = index,\n\t          noCustomizer = !customizer;\n\t\n\t      if (object == null) {\n\t        return !length;\n\t      }\n\t      object = Object(object);\n\t      while (index--) {\n\t        var data = matchData[index];\n\t        if ((noCustomizer && data[2])\n\t              ? data[1] !== object[data[0]]\n\t              : !(data[0] in object)\n\t            ) {\n\t          return false;\n\t        }\n\t      }\n\t      while (++index < length) {\n\t        data = matchData[index];\n\t        var key = data[0],\n\t            objValue = object[key],\n\t            srcValue = data[1];\n\t\n\t        if (noCustomizer && data[2]) {\n\t          if (objValue === undefined && !(key in object)) {\n\t            return false;\n\t          }\n\t        } else {\n\t          var stack = new Stack;\n\t          if (customizer) {\n\t            var result = customizer(objValue, srcValue, key, object, source, stack);\n\t          }\n\t          if (!(result === undefined\n\t                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n\t                : result\n\t              )) {\n\t            return false;\n\t          }\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isNative` without bad shim checks.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a native function,\n\t     *  else `false`.\n\t     */\n\t    function baseIsNative(value) {\n\t      if (!isObject(value) || isMasked(value)) {\n\t        return false;\n\t      }\n\t      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n\t      return pattern.test(toSource(value));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isRegExp` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n\t     */\n\t    function baseIsRegExp(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isSet` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n\t     */\n\t    function baseIsSet(value) {\n\t      return isObjectLike(value) && getTag(value) == setTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n\t     */\n\t    function baseIsTypedArray(value) {\n\t      return isObjectLike(value) &&\n\t        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.iteratee`.\n\t     *\n\t     * @private\n\t     * @param {*} [value=_.identity] The value to convert to an iteratee.\n\t     * @returns {Function} Returns the iteratee.\n\t     */\n\t    function baseIteratee(value) {\n\t      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n\t      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n\t      if (typeof value == 'function') {\n\t        return value;\n\t      }\n\t      if (value == null) {\n\t        return identity;\n\t      }\n\t      if (typeof value == 'object') {\n\t        return isArray(value)\n\t          ? baseMatchesProperty(value[0], value[1])\n\t          : baseMatches(value);\n\t      }\n\t      return property(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function baseKeys(object) {\n\t      if (!isPrototype(object)) {\n\t        return nativeKeys(object);\n\t      }\n\t      var result = [];\n\t      for (var key in Object(object)) {\n\t        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function baseKeysIn(object) {\n\t      if (!isObject(object)) {\n\t        return nativeKeysIn(object);\n\t      }\n\t      var isProto = isPrototype(object),\n\t          result = [];\n\t\n\t      for (var key in object) {\n\t        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.lt` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t     *  else `false`.\n\t     */\n\t    function baseLt(value, other) {\n\t      return value < other;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.map` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array} Returns the new mapped array.\n\t     */\n\t    function baseMap(collection, iteratee) {\n\t      var index = -1,\n\t          result = isArrayLike(collection) ? Array(collection.length) : [];\n\t\n\t      baseEach(collection, function(value, key, collection) {\n\t        result[++index] = iteratee(value, key, collection);\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.matches` which doesn't clone `source`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseMatches(source) {\n\t      var matchData = getMatchData(source);\n\t      if (matchData.length == 1 && matchData[0][2]) {\n\t        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n\t      }\n\t      return function(object) {\n\t        return object === source || baseIsMatch(object, source, matchData);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n\t     *\n\t     * @private\n\t     * @param {string} path The path of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseMatchesProperty(path, srcValue) {\n\t      if (isKey(path) && isStrictComparable(srcValue)) {\n\t        return matchesStrictComparable(toKey(path), srcValue);\n\t      }\n\t      return function(object) {\n\t        var objValue = get(object, path);\n\t        return (objValue === undefined && objValue === srcValue)\n\t          ? hasIn(object, path)\n\t          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.merge` without support for multiple sources.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @param {number} srcIndex The index of `source`.\n\t     * @param {Function} [customizer] The function to customize merged values.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     */\n\t    function baseMerge(object, source, srcIndex, customizer, stack) {\n\t      if (object === source) {\n\t        return;\n\t      }\n\t      baseFor(source, function(srcValue, key) {\n\t        if (isObject(srcValue)) {\n\t          stack || (stack = new Stack);\n\t          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n\t        }\n\t        else {\n\t          var newValue = customizer\n\t            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n\t            : undefined;\n\t\n\t          if (newValue === undefined) {\n\t            newValue = srcValue;\n\t          }\n\t          assignMergeValue(object, key, newValue);\n\t        }\n\t      }, keysIn);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseMerge` for arrays and objects which performs\n\t     * deep merges and tracks traversed objects enabling objects with circular\n\t     * references to be merged.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @param {string} key The key of the value to merge.\n\t     * @param {number} srcIndex The index of `source`.\n\t     * @param {Function} mergeFunc The function to merge values.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     */\n\t    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n\t      var objValue = object[key],\n\t          srcValue = source[key],\n\t          stacked = stack.get(srcValue);\n\t\n\t      if (stacked) {\n\t        assignMergeValue(object, key, stacked);\n\t        return;\n\t      }\n\t      var newValue = customizer\n\t        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n\t        : undefined;\n\t\n\t      var isCommon = newValue === undefined;\n\t\n\t      if (isCommon) {\n\t        var isArr = isArray(srcValue),\n\t            isBuff = !isArr && isBuffer(srcValue),\n\t            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\t\n\t        newValue = srcValue;\n\t        if (isArr || isBuff || isTyped) {\n\t          if (isArray(objValue)) {\n\t            newValue = objValue;\n\t          }\n\t          else if (isArrayLikeObject(objValue)) {\n\t            newValue = copyArray(objValue);\n\t          }\n\t          else if (isBuff) {\n\t            isCommon = false;\n\t            newValue = cloneBuffer(srcValue, true);\n\t          }\n\t          else if (isTyped) {\n\t            isCommon = false;\n\t            newValue = cloneTypedArray(srcValue, true);\n\t          }\n\t          else {\n\t            newValue = [];\n\t          }\n\t        }\n\t        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n\t          newValue = objValue;\n\t          if (isArguments(objValue)) {\n\t            newValue = toPlainObject(objValue);\n\t          }\n\t          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n\t            newValue = initCloneObject(srcValue);\n\t          }\n\t        }\n\t        else {\n\t          isCommon = false;\n\t        }\n\t      }\n\t      if (isCommon) {\n\t        // Recursively merge objects and arrays (susceptible to call stack limits).\n\t        stack.set(srcValue, newValue);\n\t        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n\t        stack['delete'](srcValue);\n\t      }\n\t      assignMergeValue(object, key, newValue);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.nth` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to query.\n\t     * @param {number} n The index of the element to return.\n\t     * @returns {*} Returns the nth element of `array`.\n\t     */\n\t    function baseNth(array, n) {\n\t      var length = array.length;\n\t      if (!length) {\n\t        return;\n\t      }\n\t      n += n < 0 ? length : 0;\n\t      return isIndex(n, length) ? array[n] : undefined;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.orderBy` without param guards.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n\t     * @param {string[]} orders The sort orders of `iteratees`.\n\t     * @returns {Array} Returns the new sorted array.\n\t     */\n\t    function baseOrderBy(collection, iteratees, orders) {\n\t      var index = -1;\n\t      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\t\n\t      var result = baseMap(collection, function(value, key, collection) {\n\t        var criteria = arrayMap(iteratees, function(iteratee) {\n\t          return iteratee(value);\n\t        });\n\t        return { 'criteria': criteria, 'index': ++index, 'value': value };\n\t      });\n\t\n\t      return baseSortBy(result, function(object, other) {\n\t        return compareMultiple(object, other, orders);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pick` without support for individual\n\t     * property identifiers.\n\t     *\n\t     * @private\n\t     * @param {Object} object The source object.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function basePick(object, paths) {\n\t      return basePickBy(object, paths, function(value, path) {\n\t        return hasIn(object, path);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The source object.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @param {Function} predicate The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function basePickBy(object, paths, predicate) {\n\t      var index = -1,\n\t          length = paths.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var path = paths[index],\n\t            value = baseGet(object, path);\n\t\n\t        if (predicate(value, path)) {\n\t          baseSet(result, castPath(path, object), value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseProperty` which supports deep paths.\n\t     *\n\t     * @private\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {Function} Returns the new accessor function.\n\t     */\n\t    function basePropertyDeep(path) {\n\t      return function(object) {\n\t        return baseGet(object, path);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pullAllBy` without support for iteratee\n\t     * shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function basePullAll(array, values, iteratee, comparator) {\n\t      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n\t          index = -1,\n\t          length = values.length,\n\t          seen = array;\n\t\n\t      if (array === values) {\n\t        values = copyArray(values);\n\t      }\n\t      if (iteratee) {\n\t        seen = arrayMap(array, baseUnary(iteratee));\n\t      }\n\t      while (++index < length) {\n\t        var fromIndex = 0,\n\t            value = values[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n\t          if (seen !== array) {\n\t            splice.call(seen, fromIndex, 1);\n\t          }\n\t          splice.call(array, fromIndex, 1);\n\t        }\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pullAt` without support for individual\n\t     * indexes or capturing the removed elements.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to modify.\n\t     * @param {number[]} indexes The indexes of elements to remove.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function basePullAt(array, indexes) {\n\t      var length = array ? indexes.length : 0,\n\t          lastIndex = length - 1;\n\t\n\t      while (length--) {\n\t        var index = indexes[length];\n\t        if (length == lastIndex || index !== previous) {\n\t          var previous = index;\n\t          if (isIndex(index)) {\n\t            splice.call(array, index, 1);\n\t          } else {\n\t            baseUnset(array, index);\n\t          }\n\t        }\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.random` without support for returning\n\t     * floating-point numbers.\n\t     *\n\t     * @private\n\t     * @param {number} lower The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the random number.\n\t     */\n\t    function baseRandom(lower, upper) {\n\t      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n\t     * coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} start The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} step The value to increment or decrement by.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Array} Returns the range of numbers.\n\t     */\n\t    function baseRange(start, end, step, fromRight) {\n\t      var index = -1,\n\t          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n\t          result = Array(length);\n\t\n\t      while (length--) {\n\t        result[fromRight ? length : ++index] = start;\n\t        start += step;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.repeat` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {string} string The string to repeat.\n\t     * @param {number} n The number of times to repeat the string.\n\t     * @returns {string} Returns the repeated string.\n\t     */\n\t    function baseRepeat(string, n) {\n\t      var result = '';\n\t      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n\t        return result;\n\t      }\n\t      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n\t      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n\t      do {\n\t        if (n % 2) {\n\t          result += string;\n\t        }\n\t        n = nativeFloor(n / 2);\n\t        if (n) {\n\t          string += string;\n\t        }\n\t      } while (n);\n\t\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function baseRest(func, start) {\n\t      return setToString(overRest(func, start, identity), func + '');\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sample`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @returns {*} Returns the random element.\n\t     */\n\t    function baseSample(collection) {\n\t      return arraySample(values(collection));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sampleSize` without param guards.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @param {number} n The number of elements to sample.\n\t     * @returns {Array} Returns the random elements.\n\t     */\n\t    function baseSampleSize(collection, n) {\n\t      var array = values(collection);\n\t      return shuffleSelf(array, baseClamp(n, 0, array.length));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.set`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @param {Function} [customizer] The function to customize path creation.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseSet(object, path, value, customizer) {\n\t      if (!isObject(object)) {\n\t        return object;\n\t      }\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length,\n\t          lastIndex = length - 1,\n\t          nested = object;\n\t\n\t      while (nested != null && ++index < length) {\n\t        var key = toKey(path[index]),\n\t            newValue = value;\n\t\n\t        if (index != lastIndex) {\n\t          var objValue = nested[key];\n\t          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n\t          if (newValue === undefined) {\n\t            newValue = isObject(objValue)\n\t              ? objValue\n\t              : (isIndex(path[index + 1]) ? [] : {});\n\t          }\n\t        }\n\t        assignValue(nested, key, newValue);\n\t        nested = nested[key];\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `setData` without support for hot loop shorting.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to associate metadata with.\n\t     * @param {*} data The metadata.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var baseSetData = !metaMap ? identity : function(func, data) {\n\t      metaMap.set(func, data);\n\t      return func;\n\t    };\n\t\n\t    /**\n\t     * The base implementation of `setToString` without support for hot loop shorting.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to modify.\n\t     * @param {Function} string The `toString` result.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var baseSetToString = !defineProperty ? identity : function(func, string) {\n\t      return defineProperty(func, 'toString', {\n\t        'configurable': true,\n\t        'enumerable': false,\n\t        'value': constant(string),\n\t        'writable': true\n\t      });\n\t    };\n\t\n\t    /**\n\t     * The base implementation of `_.shuffle`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     */\n\t    function baseShuffle(collection) {\n\t      return shuffleSelf(values(collection));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.slice` without an iteratee call guard.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to slice.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function baseSlice(array, start, end) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      if (start < 0) {\n\t        start = -start > length ? 0 : (length + start);\n\t      }\n\t      end = end > length ? length : end;\n\t      if (end < 0) {\n\t        end += length;\n\t      }\n\t      length = start > end ? 0 : ((end - start) >>> 0);\n\t      start >>>= 0;\n\t\n\t      var result = Array(length);\n\t      while (++index < length) {\n\t        result[index] = array[index + start];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.some` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t     *  else `false`.\n\t     */\n\t    function baseSome(collection, predicate) {\n\t      var result;\n\t\n\t      baseEach(collection, function(value, index, collection) {\n\t        result = predicate(value, index, collection);\n\t        return !result;\n\t      });\n\t      return !!result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n\t     * performs a binary search of `array` to determine the index at which `value`\n\t     * should be inserted into `array` in order to maintain its sort order.\n\t     *\n\t     * @private\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     */\n\t    function baseSortedIndex(array, value, retHighest) {\n\t      var low = 0,\n\t          high = array == null ? low : array.length;\n\t\n\t      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n\t        while (low < high) {\n\t          var mid = (low + high) >>> 1,\n\t              computed = array[mid];\n\t\n\t          if (computed !== null && !isSymbol(computed) &&\n\t              (retHighest ? (computed <= value) : (computed < value))) {\n\t            low = mid + 1;\n\t          } else {\n\t            high = mid;\n\t          }\n\t        }\n\t        return high;\n\t      }\n\t      return baseSortedIndexBy(array, value, identity, retHighest);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n\t     * which invokes `iteratee` for `value` and each element of `array` to compute\n\t     * their sort ranking. The iteratee is invoked with one argument; (value).\n\t     *\n\t     * @private\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} iteratee The iteratee invoked per element.\n\t     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     */\n\t    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n\t      value = iteratee(value);\n\t\n\t      var low = 0,\n\t          high = array == null ? 0 : array.length,\n\t          valIsNaN = value !== value,\n\t          valIsNull = value === null,\n\t          valIsSymbol = isSymbol(value),\n\t          valIsUndefined = value === undefined;\n\t\n\t      while (low < high) {\n\t        var mid = nativeFloor((low + high) / 2),\n\t            computed = iteratee(array[mid]),\n\t            othIsDefined = computed !== undefined,\n\t            othIsNull = computed === null,\n\t            othIsReflexive = computed === computed,\n\t            othIsSymbol = isSymbol(computed);\n\t\n\t        if (valIsNaN) {\n\t          var setLow = retHighest || othIsReflexive;\n\t        } else if (valIsUndefined) {\n\t          setLow = othIsReflexive && (retHighest || othIsDefined);\n\t        } else if (valIsNull) {\n\t          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n\t        } else if (valIsSymbol) {\n\t          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n\t        } else if (othIsNull || othIsSymbol) {\n\t          setLow = false;\n\t        } else {\n\t          setLow = retHighest ? (computed <= value) : (computed < value);\n\t        }\n\t        if (setLow) {\n\t          low = mid + 1;\n\t        } else {\n\t          high = mid;\n\t        }\n\t      }\n\t      return nativeMin(high, MAX_ARRAY_INDEX);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n\t     * support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     */\n\t    function baseSortedUniq(array, iteratee) {\n\t      var index = -1,\n\t          length = array.length,\n\t          resIndex = 0,\n\t          result = [];\n\t\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        if (!index || !eq(computed, seen)) {\n\t          var seen = computed;\n\t          result[resIndex++] = value === 0 ? 0 : value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.toNumber` which doesn't ensure correct\n\t     * conversions of binary, hexadecimal, or octal string values.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to process.\n\t     * @returns {number} Returns the number.\n\t     */\n\t    function baseToNumber(value) {\n\t      if (typeof value == 'number') {\n\t        return value;\n\t      }\n\t      if (isSymbol(value)) {\n\t        return NAN;\n\t      }\n\t      return +value;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.toString` which doesn't convert nullish\n\t     * values to empty strings.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to process.\n\t     * @returns {string} Returns the string.\n\t     */\n\t    function baseToString(value) {\n\t      // Exit early for strings to avoid a performance hit in some environments.\n\t      if (typeof value == 'string') {\n\t        return value;\n\t      }\n\t      if (isArray(value)) {\n\t        // Recursively convert values (susceptible to call stack limits).\n\t        return arrayMap(value, baseToString) + '';\n\t      }\n\t      if (isSymbol(value)) {\n\t        return symbolToString ? symbolToString.call(value) : '';\n\t      }\n\t      var result = (value + '');\n\t      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     */\n\t    function baseUniq(array, iteratee, comparator) {\n\t      var index = -1,\n\t          includes = arrayIncludes,\n\t          length = array.length,\n\t          isCommon = true,\n\t          result = [],\n\t          seen = result;\n\t\n\t      if (comparator) {\n\t        isCommon = false;\n\t        includes = arrayIncludesWith;\n\t      }\n\t      else if (length >= LARGE_ARRAY_SIZE) {\n\t        var set = iteratee ? null : createSet(array);\n\t        if (set) {\n\t          return setToArray(set);\n\t        }\n\t        isCommon = false;\n\t        includes = cacheHas;\n\t        seen = new SetCache;\n\t      }\n\t      else {\n\t        seen = iteratee ? [] : result;\n\t      }\n\t      outer:\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (isCommon && computed === computed) {\n\t          var seenIndex = seen.length;\n\t          while (seenIndex--) {\n\t            if (seen[seenIndex] === computed) {\n\t              continue outer;\n\t            }\n\t          }\n\t          if (iteratee) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t        else if (!includes(seen, computed, comparator)) {\n\t          if (seen !== result) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.unset`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The property path to unset.\n\t     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t     */\n\t    function baseUnset(object, path) {\n\t      path = castPath(path, object);\n\t      object = parent(object, path);\n\t      return object == null || delete object[toKey(last(path))];\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.update`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to update.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @param {Function} [customizer] The function to customize path creation.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseUpdate(object, path, updater, customizer) {\n\t      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n\t     * without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function baseWhile(array, predicate, isDrop, fromRight) {\n\t      var length = array.length,\n\t          index = fromRight ? length : -1;\n\t\n\t      while ((fromRight ? index-- : ++index < length) &&\n\t        predicate(array[index], index, array)) {}\n\t\n\t      return isDrop\n\t        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n\t        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `wrapperValue` which returns the result of\n\t     * performing a sequence of actions on the unwrapped `value`, where each\n\t     * successive action is supplied the return value of the previous.\n\t     *\n\t     * @private\n\t     * @param {*} value The unwrapped value.\n\t     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n\t     * @returns {*} Returns the resolved value.\n\t     */\n\t    function baseWrapperValue(value, actions) {\n\t      var result = value;\n\t      if (result instanceof LazyWrapper) {\n\t        result = result.value();\n\t      }\n\t      return arrayReduce(actions, function(result, action) {\n\t        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n\t      }, result);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.xor`, without support for\n\t     * iteratee shorthands, that accepts an array of arrays to inspect.\n\t     *\n\t     * @private\n\t     * @param {Array} arrays The arrays to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of values.\n\t     */\n\t    function baseXor(arrays, iteratee, comparator) {\n\t      var length = arrays.length;\n\t      if (length < 2) {\n\t        return length ? baseUniq(arrays[0]) : [];\n\t      }\n\t      var index = -1,\n\t          result = Array(length);\n\t\n\t      while (++index < length) {\n\t        var array = arrays[index],\n\t            othIndex = -1;\n\t\n\t        while (++othIndex < length) {\n\t          if (othIndex != index) {\n\t            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n\t          }\n\t        }\n\t      }\n\t      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n\t    }\n\t\n\t    /**\n\t     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n\t     *\n\t     * @private\n\t     * @param {Array} props The property identifiers.\n\t     * @param {Array} values The property values.\n\t     * @param {Function} assignFunc The function to assign values.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function baseZipObject(props, values, assignFunc) {\n\t      var index = -1,\n\t          length = props.length,\n\t          valsLength = values.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var value = index < valsLength ? values[index] : undefined;\n\t        assignFunc(result, props[index], value);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to an empty array if it's not an array like object.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Array|Object} Returns the cast array-like object.\n\t     */\n\t    function castArrayLikeObject(value) {\n\t      return isArrayLikeObject(value) ? value : [];\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to `identity` if it's not a function.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Function} Returns cast function.\n\t     */\n\t    function castFunction(value) {\n\t      return typeof value == 'function' ? value : identity;\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to a path array if it's not one.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @param {Object} [object] The object to query keys on.\n\t     * @returns {Array} Returns the cast property path array.\n\t     */\n\t    function castPath(value, object) {\n\t      if (isArray(value)) {\n\t        return value;\n\t      }\n\t      return isKey(value, object) ? [value] : stringToPath(toString(value));\n\t    }\n\t\n\t    /**\n\t     * A `baseRest` alias which can be replaced with `identity` by module\n\t     * replacement plugins.\n\t     *\n\t     * @private\n\t     * @type {Function}\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    var castRest = baseRest;\n\t\n\t    /**\n\t     * Casts `array` to a slice if it's needed.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {number} start The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the cast slice.\n\t     */\n\t    function castSlice(array, start, end) {\n\t      var length = array.length;\n\t      end = end === undefined ? length : end;\n\t      return (!start && end >= length) ? array : baseSlice(array, start, end);\n\t    }\n\t\n\t    /**\n\t     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n\t     *\n\t     * @private\n\t     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n\t     */\n\t    var clearTimeout = ctxClearTimeout || function(id) {\n\t      return root.clearTimeout(id);\n\t    };\n\t\n\t    /**\n\t     * Creates a clone of  `buffer`.\n\t     *\n\t     * @private\n\t     * @param {Buffer} buffer The buffer to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Buffer} Returns the cloned buffer.\n\t     */\n\t    function cloneBuffer(buffer, isDeep) {\n\t      if (isDeep) {\n\t        return buffer.slice();\n\t      }\n\t      var length = buffer.length,\n\t          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\t\n\t      buffer.copy(result);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `arrayBuffer`.\n\t     *\n\t     * @private\n\t     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n\t     * @returns {ArrayBuffer} Returns the cloned array buffer.\n\t     */\n\t    function cloneArrayBuffer(arrayBuffer) {\n\t      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n\t      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `dataView`.\n\t     *\n\t     * @private\n\t     * @param {Object} dataView The data view to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned data view.\n\t     */\n\t    function cloneDataView(dataView, isDeep) {\n\t      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n\t      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `map`.\n\t     *\n\t     * @private\n\t     * @param {Object} map The map to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned map.\n\t     */\n\t    function cloneMap(map, isDeep, cloneFunc) {\n\t      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n\t      return arrayReduce(array, addMapEntry, new map.constructor);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `regexp`.\n\t     *\n\t     * @private\n\t     * @param {Object} regexp The regexp to clone.\n\t     * @returns {Object} Returns the cloned regexp.\n\t     */\n\t    function cloneRegExp(regexp) {\n\t      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n\t      result.lastIndex = regexp.lastIndex;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `set`.\n\t     *\n\t     * @private\n\t     * @param {Object} set The set to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned set.\n\t     */\n\t    function cloneSet(set, isDeep, cloneFunc) {\n\t      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n\t      return arrayReduce(array, addSetEntry, new set.constructor);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the `symbol` object.\n\t     *\n\t     * @private\n\t     * @param {Object} symbol The symbol object to clone.\n\t     * @returns {Object} Returns the cloned symbol object.\n\t     */\n\t    function cloneSymbol(symbol) {\n\t      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `typedArray`.\n\t     *\n\t     * @private\n\t     * @param {Object} typedArray The typed array to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned typed array.\n\t     */\n\t    function cloneTypedArray(typedArray, isDeep) {\n\t      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n\t      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n\t    }\n\t\n\t    /**\n\t     * Compares values to sort them in ascending order.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {number} Returns the sort order indicator for `value`.\n\t     */\n\t    function compareAscending(value, other) {\n\t      if (value !== other) {\n\t        var valIsDefined = value !== undefined,\n\t            valIsNull = value === null,\n\t            valIsReflexive = value === value,\n\t            valIsSymbol = isSymbol(value);\n\t\n\t        var othIsDefined = other !== undefined,\n\t            othIsNull = other === null,\n\t            othIsReflexive = other === other,\n\t            othIsSymbol = isSymbol(other);\n\t\n\t        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n\t            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n\t            (valIsNull && othIsDefined && othIsReflexive) ||\n\t            (!valIsDefined && othIsReflexive) ||\n\t            !valIsReflexive) {\n\t          return 1;\n\t        }\n\t        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n\t            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n\t            (othIsNull && valIsDefined && valIsReflexive) ||\n\t            (!othIsDefined && valIsReflexive) ||\n\t            !othIsReflexive) {\n\t          return -1;\n\t        }\n\t      }\n\t      return 0;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.orderBy` to compare multiple properties of a value to another\n\t     * and stable sort them.\n\t     *\n\t     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n\t     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n\t     * of corresponding values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {boolean[]|string[]} orders The order to sort by for each property.\n\t     * @returns {number} Returns the sort order indicator for `object`.\n\t     */\n\t    function compareMultiple(object, other, orders) {\n\t      var index = -1,\n\t          objCriteria = object.criteria,\n\t          othCriteria = other.criteria,\n\t          length = objCriteria.length,\n\t          ordersLength = orders.length;\n\t\n\t      while (++index < length) {\n\t        var result = compareAscending(objCriteria[index], othCriteria[index]);\n\t        if (result) {\n\t          if (index >= ordersLength) {\n\t            return result;\n\t          }\n\t          var order = orders[index];\n\t          return result * (order == 'desc' ? -1 : 1);\n\t        }\n\t      }\n\t      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n\t      // that causes it, under certain circumstances, to provide the same value for\n\t      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n\t      // for more details.\n\t      //\n\t      // This also ensures a stable sort in V8 and other engines.\n\t      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n\t      return object.index - other.index;\n\t    }\n\t\n\t    /**\n\t     * Creates an array that is the composition of partially applied arguments,\n\t     * placeholders, and provided arguments into a single array of arguments.\n\t     *\n\t     * @private\n\t     * @param {Array} args The provided arguments.\n\t     * @param {Array} partials The arguments to prepend to those provided.\n\t     * @param {Array} holders The `partials` placeholder indexes.\n\t     * @params {boolean} [isCurried] Specify composing for a curried function.\n\t     * @returns {Array} Returns the new array of composed arguments.\n\t     */\n\t    function composeArgs(args, partials, holders, isCurried) {\n\t      var argsIndex = -1,\n\t          argsLength = args.length,\n\t          holdersLength = holders.length,\n\t          leftIndex = -1,\n\t          leftLength = partials.length,\n\t          rangeLength = nativeMax(argsLength - holdersLength, 0),\n\t          result = Array(leftLength + rangeLength),\n\t          isUncurried = !isCurried;\n\t\n\t      while (++leftIndex < leftLength) {\n\t        result[leftIndex] = partials[leftIndex];\n\t      }\n\t      while (++argsIndex < holdersLength) {\n\t        if (isUncurried || argsIndex < argsLength) {\n\t          result[holders[argsIndex]] = args[argsIndex];\n\t        }\n\t      }\n\t      while (rangeLength--) {\n\t        result[leftIndex++] = args[argsIndex++];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This function is like `composeArgs` except that the arguments composition\n\t     * is tailored for `_.partialRight`.\n\t     *\n\t     * @private\n\t     * @param {Array} args The provided arguments.\n\t     * @param {Array} partials The arguments to append to those provided.\n\t     * @param {Array} holders The `partials` placeholder indexes.\n\t     * @params {boolean} [isCurried] Specify composing for a curried function.\n\t     * @returns {Array} Returns the new array of composed arguments.\n\t     */\n\t    function composeArgsRight(args, partials, holders, isCurried) {\n\t      var argsIndex = -1,\n\t          argsLength = args.length,\n\t          holdersIndex = -1,\n\t          holdersLength = holders.length,\n\t          rightIndex = -1,\n\t          rightLength = partials.length,\n\t          rangeLength = nativeMax(argsLength - holdersLength, 0),\n\t          result = Array(rangeLength + rightLength),\n\t          isUncurried = !isCurried;\n\t\n\t      while (++argsIndex < rangeLength) {\n\t        result[argsIndex] = args[argsIndex];\n\t      }\n\t      var offset = argsIndex;\n\t      while (++rightIndex < rightLength) {\n\t        result[offset + rightIndex] = partials[rightIndex];\n\t      }\n\t      while (++holdersIndex < holdersLength) {\n\t        if (isUncurried || argsIndex < argsLength) {\n\t          result[offset + holders[holdersIndex]] = args[argsIndex++];\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Copies the values of `source` to `array`.\n\t     *\n\t     * @private\n\t     * @param {Array} source The array to copy values from.\n\t     * @param {Array} [array=[]] The array to copy values to.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function copyArray(source, array) {\n\t      var index = -1,\n\t          length = source.length;\n\t\n\t      array || (array = Array(length));\n\t      while (++index < length) {\n\t        array[index] = source[index];\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Copies properties of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy properties from.\n\t     * @param {Array} props The property identifiers to copy.\n\t     * @param {Object} [object={}] The object to copy properties to.\n\t     * @param {Function} [customizer] The function to customize copied values.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copyObject(source, props, object, customizer) {\n\t      var isNew = !object;\n\t      object || (object = {});\n\t\n\t      var index = -1,\n\t          length = props.length;\n\t\n\t      while (++index < length) {\n\t        var key = props[index];\n\t\n\t        var newValue = customizer\n\t          ? customizer(object[key], source[key], key, object, source)\n\t          : undefined;\n\t\n\t        if (newValue === undefined) {\n\t          newValue = source[key];\n\t        }\n\t        if (isNew) {\n\t          baseAssignValue(object, key, newValue);\n\t        } else {\n\t          assignValue(object, key, newValue);\n\t        }\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Copies own symbols of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy symbols from.\n\t     * @param {Object} [object={}] The object to copy symbols to.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copySymbols(source, object) {\n\t      return copyObject(source, getSymbols(source), object);\n\t    }\n\t\n\t    /**\n\t     * Copies own and inherited symbols of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy symbols from.\n\t     * @param {Object} [object={}] The object to copy symbols to.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copySymbolsIn(source, object) {\n\t      return copyObject(source, getSymbolsIn(source), object);\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.groupBy`.\n\t     *\n\t     * @private\n\t     * @param {Function} setter The function to set accumulator values.\n\t     * @param {Function} [initializer] The accumulator object initializer.\n\t     * @returns {Function} Returns the new aggregator function.\n\t     */\n\t    function createAggregator(setter, initializer) {\n\t      return function(collection, iteratee) {\n\t        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n\t            accumulator = initializer ? initializer() : {};\n\t\n\t        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.assign`.\n\t     *\n\t     * @private\n\t     * @param {Function} assigner The function to assign values.\n\t     * @returns {Function} Returns the new assigner function.\n\t     */\n\t    function createAssigner(assigner) {\n\t      return baseRest(function(object, sources) {\n\t        var index = -1,\n\t            length = sources.length,\n\t            customizer = length > 1 ? sources[length - 1] : undefined,\n\t            guard = length > 2 ? sources[2] : undefined;\n\t\n\t        customizer = (assigner.length > 3 && typeof customizer == 'function')\n\t          ? (length--, customizer)\n\t          : undefined;\n\t\n\t        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n\t          customizer = length < 3 ? undefined : customizer;\n\t          length = 1;\n\t        }\n\t        object = Object(object);\n\t        while (++index < length) {\n\t          var source = sources[index];\n\t          if (source) {\n\t            assigner(object, source, index, customizer);\n\t          }\n\t        }\n\t        return object;\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a `baseEach` or `baseEachRight` function.\n\t     *\n\t     * @private\n\t     * @param {Function} eachFunc The function to iterate over a collection.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new base function.\n\t     */\n\t    function createBaseEach(eachFunc, fromRight) {\n\t      return function(collection, iteratee) {\n\t        if (collection == null) {\n\t          return collection;\n\t        }\n\t        if (!isArrayLike(collection)) {\n\t          return eachFunc(collection, iteratee);\n\t        }\n\t        var length = collection.length,\n\t            index = fromRight ? length : -1,\n\t            iterable = Object(collection);\n\t\n\t        while ((fromRight ? index-- : ++index < length)) {\n\t          if (iteratee(iterable[index], index, iterable) === false) {\n\t            break;\n\t          }\n\t        }\n\t        return collection;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new base function.\n\t     */\n\t    function createBaseFor(fromRight) {\n\t      return function(object, iteratee, keysFunc) {\n\t        var index = -1,\n\t            iterable = Object(object),\n\t            props = keysFunc(object),\n\t            length = props.length;\n\t\n\t        while (length--) {\n\t          var key = props[fromRight ? length : ++index];\n\t          if (iteratee(iterable[key], key, iterable) === false) {\n\t            break;\n\t          }\n\t        }\n\t        return object;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with the optional `this`\n\t     * binding of `thisArg`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createBind(func, bitmask, thisArg) {\n\t      var isBind = bitmask & WRAP_BIND_FLAG,\n\t          Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t        return fn.apply(isBind ? thisArg : this, arguments);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.lowerFirst`.\n\t     *\n\t     * @private\n\t     * @param {string} methodName The name of the `String` case method to use.\n\t     * @returns {Function} Returns the new case function.\n\t     */\n\t    function createCaseFirst(methodName) {\n\t      return function(string) {\n\t        string = toString(string);\n\t\n\t        var strSymbols = hasUnicode(string)\n\t          ? stringToArray(string)\n\t          : undefined;\n\t\n\t        var chr = strSymbols\n\t          ? strSymbols[0]\n\t          : string.charAt(0);\n\t\n\t        var trailing = strSymbols\n\t          ? castSlice(strSymbols, 1).join('')\n\t          : string.slice(1);\n\t\n\t        return chr[methodName]() + trailing;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.camelCase`.\n\t     *\n\t     * @private\n\t     * @param {Function} callback The function to combine each word.\n\t     * @returns {Function} Returns the new compounder function.\n\t     */\n\t    function createCompounder(callback) {\n\t      return function(string) {\n\t        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that produces an instance of `Ctor` regardless of\n\t     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n\t     *\n\t     * @private\n\t     * @param {Function} Ctor The constructor to wrap.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createCtor(Ctor) {\n\t      return function() {\n\t        // Use a `switch` statement to work with class constructors. See\n\t        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n\t        // for more details.\n\t        var args = arguments;\n\t        switch (args.length) {\n\t          case 0: return new Ctor;\n\t          case 1: return new Ctor(args[0]);\n\t          case 2: return new Ctor(args[0], args[1]);\n\t          case 3: return new Ctor(args[0], args[1], args[2]);\n\t          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n\t          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n\t          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n\t          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n\t        }\n\t        var thisBinding = baseCreate(Ctor.prototype),\n\t            result = Ctor.apply(thisBinding, args);\n\t\n\t        // Mimic the constructor's `return` behavior.\n\t        // See https://es5.github.io/#x13.2.2 for more details.\n\t        return isObject(result) ? result : thisBinding;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to enable currying.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {number} arity The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createCurry(func, bitmask, arity) {\n\t      var Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var length = arguments.length,\n\t            args = Array(length),\n\t            index = length,\n\t            placeholder = getHolder(wrapper);\n\t\n\t        while (index--) {\n\t          args[index] = arguments[index];\n\t        }\n\t        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n\t          ? []\n\t          : replaceHolders(args, placeholder);\n\t\n\t        length -= holders.length;\n\t        if (length < arity) {\n\t          return createRecurry(\n\t            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n\t            args, holders, undefined, undefined, arity - length);\n\t        }\n\t        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t        return apply(fn, this, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.find` or `_.findLast` function.\n\t     *\n\t     * @private\n\t     * @param {Function} findIndexFunc The function to find the collection index.\n\t     * @returns {Function} Returns the new find function.\n\t     */\n\t    function createFind(findIndexFunc) {\n\t      return function(collection, predicate, fromIndex) {\n\t        var iterable = Object(collection);\n\t        if (!isArrayLike(collection)) {\n\t          var iteratee = getIteratee(predicate, 3);\n\t          collection = keys(collection);\n\t          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n\t        }\n\t        var index = findIndexFunc(collection, predicate, fromIndex);\n\t        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.flow` or `_.flowRight` function.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new flow function.\n\t     */\n\t    function createFlow(fromRight) {\n\t      return flatRest(function(funcs) {\n\t        var length = funcs.length,\n\t            index = length,\n\t            prereq = LodashWrapper.prototype.thru;\n\t\n\t        if (fromRight) {\n\t          funcs.reverse();\n\t        }\n\t        while (index--) {\n\t          var func = funcs[index];\n\t          if (typeof func != 'function') {\n\t            throw new TypeError(FUNC_ERROR_TEXT);\n\t          }\n\t          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n\t            var wrapper = new LodashWrapper([], true);\n\t          }\n\t        }\n\t        index = wrapper ? index : length;\n\t        while (++index < length) {\n\t          func = funcs[index];\n\t\n\t          var funcName = getFuncName(func),\n\t              data = funcName == 'wrapper' ? getData(func) : undefined;\n\t\n\t          if (data && isLaziable(data[0]) &&\n\t                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n\t                !data[4].length && data[9] == 1\n\t              ) {\n\t            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n\t          } else {\n\t            wrapper = (func.length == 1 && isLaziable(func))\n\t              ? wrapper[funcName]()\n\t              : wrapper.thru(func);\n\t          }\n\t        }\n\t        return function() {\n\t          var args = arguments,\n\t              value = args[0];\n\t\n\t          if (wrapper && args.length == 1 && isArray(value)) {\n\t            return wrapper.plant(value).value();\n\t          }\n\t          var index = 0,\n\t              result = length ? funcs[index].apply(this, args) : value;\n\t\n\t          while (++index < length) {\n\t            result = funcs[index].call(this, result);\n\t          }\n\t          return result;\n\t        };\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with optional `this`\n\t     * binding of `thisArg`, partial application, and currying.\n\t     *\n\t     * @private\n\t     * @param {Function|string} func The function or method name to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [partialsRight] The arguments to append to those provided\n\t     *  to the new function.\n\t     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n\t      var isAry = bitmask & WRAP_ARY_FLAG,\n\t          isBind = bitmask & WRAP_BIND_FLAG,\n\t          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n\t          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n\t          isFlip = bitmask & WRAP_FLIP_FLAG,\n\t          Ctor = isBindKey ? undefined : createCtor(func);\n\t\n\t      function wrapper() {\n\t        var length = arguments.length,\n\t            args = Array(length),\n\t            index = length;\n\t\n\t        while (index--) {\n\t          args[index] = arguments[index];\n\t        }\n\t        if (isCurried) {\n\t          var placeholder = getHolder(wrapper),\n\t              holdersCount = countHolders(args, placeholder);\n\t        }\n\t        if (partials) {\n\t          args = composeArgs(args, partials, holders, isCurried);\n\t        }\n\t        if (partialsRight) {\n\t          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n\t        }\n\t        length -= holdersCount;\n\t        if (isCurried && length < arity) {\n\t          var newHolders = replaceHolders(args, placeholder);\n\t          return createRecurry(\n\t            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n\t            args, newHolders, argPos, ary, arity - length\n\t          );\n\t        }\n\t        var thisBinding = isBind ? thisArg : this,\n\t            fn = isBindKey ? thisBinding[func] : func;\n\t\n\t        length = args.length;\n\t        if (argPos) {\n\t          args = reorder(args, argPos);\n\t        } else if (isFlip && length > 1) {\n\t          args.reverse();\n\t        }\n\t        if (isAry && ary < length) {\n\t          args.length = ary;\n\t        }\n\t        if (this && this !== root && this instanceof wrapper) {\n\t          fn = Ctor || createCtor(fn);\n\t        }\n\t        return fn.apply(thisBinding, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.invertBy`.\n\t     *\n\t     * @private\n\t     * @param {Function} setter The function to set accumulator values.\n\t     * @param {Function} toIteratee The function to resolve iteratees.\n\t     * @returns {Function} Returns the new inverter function.\n\t     */\n\t    function createInverter(setter, toIteratee) {\n\t      return function(object, iteratee) {\n\t        return baseInverter(object, setter, toIteratee(iteratee), {});\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a mathematical operation on two values.\n\t     *\n\t     * @private\n\t     * @param {Function} operator The function to perform the operation.\n\t     * @param {number} [defaultValue] The value used for `undefined` arguments.\n\t     * @returns {Function} Returns the new mathematical operation function.\n\t     */\n\t    function createMathOperation(operator, defaultValue) {\n\t      return function(value, other) {\n\t        var result;\n\t        if (value === undefined && other === undefined) {\n\t          return defaultValue;\n\t        }\n\t        if (value !== undefined) {\n\t          result = value;\n\t        }\n\t        if (other !== undefined) {\n\t          if (result === undefined) {\n\t            return other;\n\t          }\n\t          if (typeof value == 'string' || typeof other == 'string') {\n\t            value = baseToString(value);\n\t            other = baseToString(other);\n\t          } else {\n\t            value = baseToNumber(value);\n\t            other = baseToNumber(other);\n\t          }\n\t          result = operator(value, other);\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.over`.\n\t     *\n\t     * @private\n\t     * @param {Function} arrayFunc The function to iterate over iteratees.\n\t     * @returns {Function} Returns the new over function.\n\t     */\n\t    function createOver(arrayFunc) {\n\t      return flatRest(function(iteratees) {\n\t        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n\t        return baseRest(function(args) {\n\t          var thisArg = this;\n\t          return arrayFunc(iteratees, function(iteratee) {\n\t            return apply(iteratee, thisArg, args);\n\t          });\n\t        });\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates the padding for `string` based on `length`. The `chars` string\n\t     * is truncated if the number of characters exceeds `length`.\n\t     *\n\t     * @private\n\t     * @param {number} length The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padding for `string`.\n\t     */\n\t    function createPadding(length, chars) {\n\t      chars = chars === undefined ? ' ' : baseToString(chars);\n\t\n\t      var charsLength = chars.length;\n\t      if (charsLength < 2) {\n\t        return charsLength ? baseRepeat(chars, length) : chars;\n\t      }\n\t      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n\t      return hasUnicode(chars)\n\t        ? castSlice(stringToArray(result), 0, length).join('')\n\t        : result.slice(0, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with the `this` binding\n\t     * of `thisArg` and `partials` prepended to the arguments it receives.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} thisArg The `this` binding of `func`.\n\t     * @param {Array} partials The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createPartial(func, bitmask, thisArg, partials) {\n\t      var isBind = bitmask & WRAP_BIND_FLAG,\n\t          Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var argsIndex = -1,\n\t            argsLength = arguments.length,\n\t            leftIndex = -1,\n\t            leftLength = partials.length,\n\t            args = Array(leftLength + argsLength),\n\t            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t\n\t        while (++leftIndex < leftLength) {\n\t          args[leftIndex] = partials[leftIndex];\n\t        }\n\t        while (argsLength--) {\n\t          args[leftIndex++] = arguments[++argsIndex];\n\t        }\n\t        return apply(fn, isBind ? thisArg : this, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.range` or `_.rangeRight` function.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new range function.\n\t     */\n\t    function createRange(fromRight) {\n\t      return function(start, end, step) {\n\t        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n\t          end = step = undefined;\n\t        }\n\t        // Ensure the sign of `-0` is preserved.\n\t        start = toFinite(start);\n\t        if (end === undefined) {\n\t          end = start;\n\t          start = 0;\n\t        } else {\n\t          end = toFinite(end);\n\t        }\n\t        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n\t        return baseRange(start, end, step, fromRight);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a relational operation on two values.\n\t     *\n\t     * @private\n\t     * @param {Function} operator The function to perform the operation.\n\t     * @returns {Function} Returns the new relational operation function.\n\t     */\n\t    function createRelationalOperation(operator) {\n\t      return function(value, other) {\n\t        if (!(typeof value == 'string' && typeof other == 'string')) {\n\t          value = toNumber(value);\n\t          other = toNumber(other);\n\t        }\n\t        return operator(value, other);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to continue currying.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {Function} wrapFunc The function to create the `func` wrapper.\n\t     * @param {*} placeholder The placeholder value.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n\t      var isCurry = bitmask & WRAP_CURRY_FLAG,\n\t          newHolders = isCurry ? holders : undefined,\n\t          newHoldersRight = isCurry ? undefined : holders,\n\t          newPartials = isCurry ? partials : undefined,\n\t          newPartialsRight = isCurry ? undefined : partials;\n\t\n\t      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n\t      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\t\n\t      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n\t        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n\t      }\n\t      var newData = [\n\t        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n\t        newHoldersRight, argPos, ary, arity\n\t      ];\n\t\n\t      var result = wrapFunc.apply(undefined, newData);\n\t      if (isLaziable(func)) {\n\t        setData(result, newData);\n\t      }\n\t      result.placeholder = placeholder;\n\t      return setWrapToString(result, func, bitmask);\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.round`.\n\t     *\n\t     * @private\n\t     * @param {string} methodName The name of the `Math` method to use when rounding.\n\t     * @returns {Function} Returns the new round function.\n\t     */\n\t    function createRound(methodName) {\n\t      var func = Math[methodName];\n\t      return function(number, precision) {\n\t        number = toNumber(number);\n\t        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n\t        if (precision) {\n\t          // Shift with exponential notation to avoid floating-point issues.\n\t          // See [MDN](https://mdn.io/round#Examples) for more details.\n\t          var pair = (toString(number) + 'e').split('e'),\n\t              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\t\n\t          pair = (toString(value) + 'e').split('e');\n\t          return +(pair[0] + 'e' + (+pair[1] - precision));\n\t        }\n\t        return func(number);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a set object of `values`.\n\t     *\n\t     * @private\n\t     * @param {Array} values The values to add to the set.\n\t     * @returns {Object} Returns the new set.\n\t     */\n\t    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n\t      return new Set(values);\n\t    };\n\t\n\t    /**\n\t     * Creates a `_.toPairs` or `_.toPairsIn` function.\n\t     *\n\t     * @private\n\t     * @param {Function} keysFunc The function to get the keys of a given object.\n\t     * @returns {Function} Returns the new pairs function.\n\t     */\n\t    function createToPairs(keysFunc) {\n\t      return function(object) {\n\t        var tag = getTag(object);\n\t        if (tag == mapTag) {\n\t          return mapToArray(object);\n\t        }\n\t        if (tag == setTag) {\n\t          return setToPairs(object);\n\t        }\n\t        return baseToPairs(object, keysFunc(object));\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that either curries or invokes `func` with optional\n\t     * `this` binding and partially applied arguments.\n\t     *\n\t     * @private\n\t     * @param {Function|string} func The function or method name to wrap.\n\t     * @param {number} bitmask The bitmask flags.\n\t     *    1 - `_.bind`\n\t     *    2 - `_.bindKey`\n\t     *    4 - `_.curry` or `_.curryRight` of a bound function\n\t     *    8 - `_.curry`\n\t     *   16 - `_.curryRight`\n\t     *   32 - `_.partial`\n\t     *   64 - `_.partialRight`\n\t     *  128 - `_.rearg`\n\t     *  256 - `_.ary`\n\t     *  512 - `_.flip`\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to be partially applied.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n\t      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n\t      if (!isBindKey && typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      var length = partials ? partials.length : 0;\n\t      if (!length) {\n\t        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n\t        partials = holders = undefined;\n\t      }\n\t      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n\t      arity = arity === undefined ? arity : toInteger(arity);\n\t      length -= holders ? holders.length : 0;\n\t\n\t      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n\t        var partialsRight = partials,\n\t            holdersRight = holders;\n\t\n\t        partials = holders = undefined;\n\t      }\n\t      var data = isBindKey ? undefined : getData(func);\n\t\n\t      var newData = [\n\t        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n\t        argPos, ary, arity\n\t      ];\n\t\n\t      if (data) {\n\t        mergeData(newData, data);\n\t      }\n\t      func = newData[0];\n\t      bitmask = newData[1];\n\t      thisArg = newData[2];\n\t      partials = newData[3];\n\t      holders = newData[4];\n\t      arity = newData[9] = newData[9] === undefined\n\t        ? (isBindKey ? 0 : func.length)\n\t        : nativeMax(newData[9] - length, 0);\n\t\n\t      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n\t        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n\t      }\n\t      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n\t        var result = createBind(func, bitmask, thisArg);\n\t      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n\t        result = createCurry(func, bitmask, arity);\n\t      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n\t        result = createPartial(func, bitmask, thisArg, partials);\n\t      } else {\n\t        result = createHybrid.apply(undefined, newData);\n\t      }\n\t      var setter = data ? baseSetData : setData;\n\t      return setWrapToString(setter(result, newData), func, bitmask);\n\t    }\n\t\n\t    /**\n\t     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n\t     * of source objects to the destination object for all destination properties\n\t     * that resolve to `undefined`.\n\t     *\n\t     * @private\n\t     * @param {*} objValue The destination value.\n\t     * @param {*} srcValue The source value.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {Object} object The parent object of `objValue`.\n\t     * @returns {*} Returns the value to assign.\n\t     */\n\t    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n\t      if (objValue === undefined ||\n\t          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n\t        return srcValue;\n\t      }\n\t      return objValue;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n\t     * objects into destination objects that are passed thru.\n\t     *\n\t     * @private\n\t     * @param {*} objValue The destination value.\n\t     * @param {*} srcValue The source value.\n\t     * @param {string} key The key of the property to merge.\n\t     * @param {Object} object The parent object of `objValue`.\n\t     * @param {Object} source The parent object of `srcValue`.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     * @returns {*} Returns the value to assign.\n\t     */\n\t    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n\t      if (isObject(objValue) && isObject(srcValue)) {\n\t        // Recursively merge objects and arrays (susceptible to call stack limits).\n\t        stack.set(srcValue, objValue);\n\t        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n\t        stack['delete'](srcValue);\n\t      }\n\t      return objValue;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n\t     * objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @param {string} key The key of the property to inspect.\n\t     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n\t     */\n\t    function customOmitClone(value) {\n\t      return isPlainObject(value) ? undefined : value;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for arrays with support for\n\t     * partial deep comparisons.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to compare.\n\t     * @param {Array} other The other array to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `array` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n\t     */\n\t    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n\t      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n\t          arrLength = array.length,\n\t          othLength = other.length;\n\t\n\t      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n\t        return false;\n\t      }\n\t      // Assume cyclic values are equal.\n\t      var stacked = stack.get(array);\n\t      if (stacked && stack.get(other)) {\n\t        return stacked == other;\n\t      }\n\t      var index = -1,\n\t          result = true,\n\t          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\t\n\t      stack.set(array, other);\n\t      stack.set(other, array);\n\t\n\t      // Ignore non-index properties.\n\t      while (++index < arrLength) {\n\t        var arrValue = array[index],\n\t            othValue = other[index];\n\t\n\t        if (customizer) {\n\t          var compared = isPartial\n\t            ? customizer(othValue, arrValue, index, other, array, stack)\n\t            : customizer(arrValue, othValue, index, array, other, stack);\n\t        }\n\t        if (compared !== undefined) {\n\t          if (compared) {\n\t            continue;\n\t          }\n\t          result = false;\n\t          break;\n\t        }\n\t        // Recursively compare arrays (susceptible to call stack limits).\n\t        if (seen) {\n\t          if (!arraySome(other, function(othValue, othIndex) {\n\t                if (!cacheHas(seen, othIndex) &&\n\t                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n\t                  return seen.push(othIndex);\n\t                }\n\t              })) {\n\t            result = false;\n\t            break;\n\t          }\n\t        } else if (!(\n\t              arrValue === othValue ||\n\t                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n\t            )) {\n\t          result = false;\n\t          break;\n\t        }\n\t      }\n\t      stack['delete'](array);\n\t      stack['delete'](other);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for comparing objects of\n\t     * the same `toStringTag`.\n\t     *\n\t     * **Note:** This function only supports comparing values with tags of\n\t     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {string} tag The `toStringTag` of the objects to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n\t      switch (tag) {\n\t        case dataViewTag:\n\t          if ((object.byteLength != other.byteLength) ||\n\t              (object.byteOffset != other.byteOffset)) {\n\t            return false;\n\t          }\n\t          object = object.buffer;\n\t          other = other.buffer;\n\t\n\t        case arrayBufferTag:\n\t          if ((object.byteLength != other.byteLength) ||\n\t              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n\t            return false;\n\t          }\n\t          return true;\n\t\n\t        case boolTag:\n\t        case dateTag:\n\t        case numberTag:\n\t          // Coerce booleans to `1` or `0` and dates to milliseconds.\n\t          // Invalid dates are coerced to `NaN`.\n\t          return eq(+object, +other);\n\t\n\t        case errorTag:\n\t          return object.name == other.name && object.message == other.message;\n\t\n\t        case regexpTag:\n\t        case stringTag:\n\t          // Coerce regexes to strings and treat strings, primitives and objects,\n\t          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n\t          // for more details.\n\t          return object == (other + '');\n\t\n\t        case mapTag:\n\t          var convert = mapToArray;\n\t\n\t        case setTag:\n\t          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n\t          convert || (convert = setToArray);\n\t\n\t          if (object.size != other.size && !isPartial) {\n\t            return false;\n\t          }\n\t          // Assume cyclic values are equal.\n\t          var stacked = stack.get(object);\n\t          if (stacked) {\n\t            return stacked == other;\n\t          }\n\t          bitmask |= COMPARE_UNORDERED_FLAG;\n\t\n\t          // Recursively compare objects (susceptible to call stack limits).\n\t          stack.set(object, other);\n\t          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n\t          stack['delete'](object);\n\t          return result;\n\t\n\t        case symbolTag:\n\t          if (symbolValueOf) {\n\t            return symbolValueOf.call(object) == symbolValueOf.call(other);\n\t          }\n\t      }\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for objects with support for\n\t     * partial deep comparisons.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n\t      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n\t          objProps = getAllKeys(object),\n\t          objLength = objProps.length,\n\t          othProps = getAllKeys(other),\n\t          othLength = othProps.length;\n\t\n\t      if (objLength != othLength && !isPartial) {\n\t        return false;\n\t      }\n\t      var index = objLength;\n\t      while (index--) {\n\t        var key = objProps[index];\n\t        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n\t          return false;\n\t        }\n\t      }\n\t      // Assume cyclic values are equal.\n\t      var stacked = stack.get(object);\n\t      if (stacked && stack.get(other)) {\n\t        return stacked == other;\n\t      }\n\t      var result = true;\n\t      stack.set(object, other);\n\t      stack.set(other, object);\n\t\n\t      var skipCtor = isPartial;\n\t      while (++index < objLength) {\n\t        key = objProps[index];\n\t        var objValue = object[key],\n\t            othValue = other[key];\n\t\n\t        if (customizer) {\n\t          var compared = isPartial\n\t            ? customizer(othValue, objValue, key, other, object, stack)\n\t            : customizer(objValue, othValue, key, object, other, stack);\n\t        }\n\t        // Recursively compare objects (susceptible to call stack limits).\n\t        if (!(compared === undefined\n\t              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n\t              : compared\n\t            )) {\n\t          result = false;\n\t          break;\n\t        }\n\t        skipCtor || (skipCtor = key == 'constructor');\n\t      }\n\t      if (result && !skipCtor) {\n\t        var objCtor = object.constructor,\n\t            othCtor = other.constructor;\n\t\n\t        // Non `Object` object instances with different constructors are not equal.\n\t        if (objCtor != othCtor &&\n\t            ('constructor' in object && 'constructor' in other) &&\n\t            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n\t              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n\t          result = false;\n\t        }\n\t      }\n\t      stack['delete'](object);\n\t      stack['delete'](other);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseRest` which flattens the rest array.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function flatRest(func) {\n\t      return setToString(overRest(func, undefined, flatten), func + '');\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own enumerable property names and symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function getAllKeys(object) {\n\t      return baseGetAllKeys(object, keys, getSymbols);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own and inherited enumerable property names and\n\t     * symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function getAllKeysIn(object) {\n\t      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n\t    }\n\t\n\t    /**\n\t     * Gets metadata for `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to query.\n\t     * @returns {*} Returns the metadata for `func`.\n\t     */\n\t    var getData = !metaMap ? noop : function(func) {\n\t      return metaMap.get(func);\n\t    };\n\t\n\t    /**\n\t     * Gets the name of `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to query.\n\t     * @returns {string} Returns the function name.\n\t     */\n\t    function getFuncName(func) {\n\t      var result = (func.name + ''),\n\t          array = realNames[result],\n\t          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\t\n\t      while (length--) {\n\t        var data = array[length],\n\t            otherFunc = data.func;\n\t        if (otherFunc == null || otherFunc == func) {\n\t          return data.name;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the argument placeholder value for `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to inspect.\n\t     * @returns {*} Returns the placeholder value.\n\t     */\n\t    function getHolder(func) {\n\t      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n\t      return object.placeholder;\n\t    }\n\t\n\t    /**\n\t     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n\t     * this function returns the custom method, otherwise it returns `baseIteratee`.\n\t     * If arguments are provided, the chosen function is invoked with them and\n\t     * its result is returned.\n\t     *\n\t     * @private\n\t     * @param {*} [value] The value to convert to an iteratee.\n\t     * @param {number} [arity] The arity of the created iteratee.\n\t     * @returns {Function} Returns the chosen function or its result.\n\t     */\n\t    function getIteratee() {\n\t      var result = lodash.iteratee || iteratee;\n\t      result = result === iteratee ? baseIteratee : result;\n\t      return arguments.length ? result(arguments[0], arguments[1]) : result;\n\t    }\n\t\n\t    /**\n\t     * Gets the data for `map`.\n\t     *\n\t     * @private\n\t     * @param {Object} map The map to query.\n\t     * @param {string} key The reference key.\n\t     * @returns {*} Returns the map data.\n\t     */\n\t    function getMapData(map, key) {\n\t      var data = map.__data__;\n\t      return isKeyable(key)\n\t        ? data[typeof key == 'string' ? 'string' : 'hash']\n\t        : data.map;\n\t    }\n\t\n\t    /**\n\t     * Gets the property names, values, and compare flags of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the match data of `object`.\n\t     */\n\t    function getMatchData(object) {\n\t      var result = keys(object),\n\t          length = result.length;\n\t\n\t      while (length--) {\n\t        var key = result[length],\n\t            value = object[key];\n\t\n\t        result[length] = [key, value, isStrictComparable(value)];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the native function at `key` of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {string} key The key of the method to get.\n\t     * @returns {*} Returns the function if it's native, else `undefined`.\n\t     */\n\t    function getNative(object, key) {\n\t      var value = getValue(object, key);\n\t      return baseIsNative(value) ? value : undefined;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the raw `toStringTag`.\n\t     */\n\t    function getRawTag(value) {\n\t      var isOwn = hasOwnProperty.call(value, symToStringTag),\n\t          tag = value[symToStringTag];\n\t\n\t      try {\n\t        value[symToStringTag] = undefined;\n\t        var unmasked = true;\n\t      } catch (e) {}\n\t\n\t      var result = nativeObjectToString.call(value);\n\t      if (unmasked) {\n\t        if (isOwn) {\n\t          value[symToStringTag] = tag;\n\t        } else {\n\t          delete value[symToStringTag];\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own enumerable symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of symbols.\n\t     */\n\t    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n\t      if (object == null) {\n\t        return [];\n\t      }\n\t      object = Object(object);\n\t      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n\t        return propertyIsEnumerable.call(object, symbol);\n\t      });\n\t    };\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of symbols.\n\t     */\n\t    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n\t      var result = [];\n\t      while (object) {\n\t        arrayPush(result, getSymbols(object));\n\t        object = getPrototype(object);\n\t      }\n\t      return result;\n\t    };\n\t\n\t    /**\n\t     * Gets the `toStringTag` of `value`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the `toStringTag`.\n\t     */\n\t    var getTag = baseGetTag;\n\t\n\t    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n\t    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n\t        (Map && getTag(new Map) != mapTag) ||\n\t        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n\t        (Set && getTag(new Set) != setTag) ||\n\t        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n\t      getTag = function(value) {\n\t        var result = baseGetTag(value),\n\t            Ctor = result == objectTag ? value.constructor : undefined,\n\t            ctorString = Ctor ? toSource(Ctor) : '';\n\t\n\t        if (ctorString) {\n\t          switch (ctorString) {\n\t            case dataViewCtorString: return dataViewTag;\n\t            case mapCtorString: return mapTag;\n\t            case promiseCtorString: return promiseTag;\n\t            case setCtorString: return setTag;\n\t            case weakMapCtorString: return weakMapTag;\n\t          }\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n\t     *\n\t     * @private\n\t     * @param {number} start The start of the view.\n\t     * @param {number} end The end of the view.\n\t     * @param {Array} transforms The transformations to apply to the view.\n\t     * @returns {Object} Returns an object containing the `start` and `end`\n\t     *  positions of the view.\n\t     */\n\t    function getView(start, end, transforms) {\n\t      var index = -1,\n\t          length = transforms.length;\n\t\n\t      while (++index < length) {\n\t        var data = transforms[index],\n\t            size = data.size;\n\t\n\t        switch (data.type) {\n\t          case 'drop':      start += size; break;\n\t          case 'dropRight': end -= size; break;\n\t          case 'take':      end = nativeMin(end, start + size); break;\n\t          case 'takeRight': start = nativeMax(start, end - size); break;\n\t        }\n\t      }\n\t      return { 'start': start, 'end': end };\n\t    }\n\t\n\t    /**\n\t     * Extracts wrapper details from the `source` body comment.\n\t     *\n\t     * @private\n\t     * @param {string} source The source to inspect.\n\t     * @returns {Array} Returns the wrapper details.\n\t     */\n\t    function getWrapDetails(source) {\n\t      var match = source.match(reWrapDetails);\n\t      return match ? match[1].split(reSplitDetails) : [];\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` exists on `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @param {Function} hasFunc The function to check properties.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     */\n\t    function hasPath(object, path, hasFunc) {\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length,\n\t          result = false;\n\t\n\t      while (++index < length) {\n\t        var key = toKey(path[index]);\n\t        if (!(result = object != null && hasFunc(object, key))) {\n\t          break;\n\t        }\n\t        object = object[key];\n\t      }\n\t      if (result || ++index != length) {\n\t        return result;\n\t      }\n\t      length = object == null ? 0 : object.length;\n\t      return !!length && isLength(length) && isIndex(key, length) &&\n\t        (isArray(object) || isArguments(object));\n\t    }\n\t\n\t    /**\n\t     * Initializes an array clone.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to clone.\n\t     * @returns {Array} Returns the initialized clone.\n\t     */\n\t    function initCloneArray(array) {\n\t      var length = array.length,\n\t          result = array.constructor(length);\n\t\n\t      // Add properties assigned by `RegExp#exec`.\n\t      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n\t        result.index = array.index;\n\t        result.input = array.input;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Initializes an object clone.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to clone.\n\t     * @returns {Object} Returns the initialized clone.\n\t     */\n\t    function initCloneObject(object) {\n\t      return (typeof object.constructor == 'function' && !isPrototype(object))\n\t        ? baseCreate(getPrototype(object))\n\t        : {};\n\t    }\n\t\n\t    /**\n\t     * Initializes an object clone based on its `toStringTag`.\n\t     *\n\t     * **Note:** This function only supports cloning values with tags of\n\t     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to clone.\n\t     * @param {string} tag The `toStringTag` of the object to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the initialized clone.\n\t     */\n\t    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n\t      var Ctor = object.constructor;\n\t      switch (tag) {\n\t        case arrayBufferTag:\n\t          return cloneArrayBuffer(object);\n\t\n\t        case boolTag:\n\t        case dateTag:\n\t          return new Ctor(+object);\n\t\n\t        case dataViewTag:\n\t          return cloneDataView(object, isDeep);\n\t\n\t        case float32Tag: case float64Tag:\n\t        case int8Tag: case int16Tag: case int32Tag:\n\t        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n\t          return cloneTypedArray(object, isDeep);\n\t\n\t        case mapTag:\n\t          return cloneMap(object, isDeep, cloneFunc);\n\t\n\t        case numberTag:\n\t        case stringTag:\n\t          return new Ctor(object);\n\t\n\t        case regexpTag:\n\t          return cloneRegExp(object);\n\t\n\t        case setTag:\n\t          return cloneSet(object, isDeep, cloneFunc);\n\t\n\t        case symbolTag:\n\t          return cloneSymbol(object);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Inserts wrapper `details` in a comment at the top of the `source` body.\n\t     *\n\t     * @private\n\t     * @param {string} source The source to modify.\n\t     * @returns {Array} details The details to insert.\n\t     * @returns {string} Returns the modified source.\n\t     */\n\t    function insertWrapDetails(source, details) {\n\t      var length = details.length;\n\t      if (!length) {\n\t        return source;\n\t      }\n\t      var lastIndex = length - 1;\n\t      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n\t      details = details.join(length > 2 ? ', ' : ' ');\n\t      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a flattenable `arguments` object or array.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n\t     */\n\t    function isFlattenable(value) {\n\t      return isArray(value) || isArguments(value) ||\n\t        !!(spreadableSymbol && value && value[spreadableSymbol]);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a valid array-like index.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n\t     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n\t     */\n\t    function isIndex(value, length) {\n\t      length = length == null ? MAX_SAFE_INTEGER : length;\n\t      return !!length &&\n\t        (typeof value == 'number' || reIsUint.test(value)) &&\n\t        (value > -1 && value % 1 == 0 && value < length);\n\t    }\n\t\n\t    /**\n\t     * Checks if the given arguments are from an iteratee call.\n\t     *\n\t     * @private\n\t     * @param {*} value The potential iteratee value argument.\n\t     * @param {*} index The potential iteratee index or key argument.\n\t     * @param {*} object The potential iteratee object argument.\n\t     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n\t     *  else `false`.\n\t     */\n\t    function isIterateeCall(value, index, object) {\n\t      if (!isObject(object)) {\n\t        return false;\n\t      }\n\t      var type = typeof index;\n\t      if (type == 'number'\n\t            ? (isArrayLike(object) && isIndex(index, object.length))\n\t            : (type == 'string' && index in object)\n\t          ) {\n\t        return eq(object[index], value);\n\t      }\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a property name and not a property path.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @param {Object} [object] The object to query keys on.\n\t     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n\t     */\n\t    function isKey(value, object) {\n\t      if (isArray(value)) {\n\t        return false;\n\t      }\n\t      var type = typeof value;\n\t      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n\t          value == null || isSymbol(value)) {\n\t        return true;\n\t      }\n\t      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n\t        (object != null && value in Object(object));\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is suitable for use as unique object key.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n\t     */\n\t    function isKeyable(value) {\n\t      var type = typeof value;\n\t      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n\t        ? (value !== '__proto__')\n\t        : (value === null);\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` has a lazy counterpart.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to check.\n\t     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n\t     *  else `false`.\n\t     */\n\t    function isLaziable(func) {\n\t      var funcName = getFuncName(func),\n\t          other = lodash[funcName];\n\t\n\t      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n\t        return false;\n\t      }\n\t      if (func === other) {\n\t        return true;\n\t      }\n\t      var data = getData(other);\n\t      return !!data && func === data[0];\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` has its source masked.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to check.\n\t     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n\t     */\n\t    function isMasked(func) {\n\t      return !!maskSrcKey && (maskSrcKey in func);\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` is capable of being masked.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n\t     */\n\t    var isMaskable = coreJsData ? isFunction : stubFalse;\n\t\n\t    /**\n\t     * Checks if `value` is likely a prototype object.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n\t     */\n\t    function isPrototype(value) {\n\t      var Ctor = value && value.constructor,\n\t          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\t\n\t      return value === proto;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` if suitable for strict\n\t     *  equality comparisons, else `false`.\n\t     */\n\t    function isStrictComparable(value) {\n\t      return value === value && !isObject(value);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `matchesProperty` for source values suitable\n\t     * for strict equality comparisons, i.e. `===`.\n\t     *\n\t     * @private\n\t     * @param {string} key The key of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function matchesStrictComparable(key, srcValue) {\n\t      return function(object) {\n\t        if (object == null) {\n\t          return false;\n\t        }\n\t        return object[key] === srcValue &&\n\t          (srcValue !== undefined || (key in Object(object)));\n\t      };\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.memoize` which clears the memoized function's\n\t     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to have its output memoized.\n\t     * @returns {Function} Returns the new memoized function.\n\t     */\n\t    function memoizeCapped(func) {\n\t      var result = memoize(func, function(key) {\n\t        if (cache.size === MAX_MEMOIZE_SIZE) {\n\t          cache.clear();\n\t        }\n\t        return key;\n\t      });\n\t\n\t      var cache = result.cache;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Merges the function metadata of `source` into `data`.\n\t     *\n\t     * Merging metadata reduces the number of wrappers used to invoke a function.\n\t     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n\t     * may be applied regardless of execution order. Methods like `_.ary` and\n\t     * `_.rearg` modify function arguments, making the order in which they are\n\t     * executed important, preventing the merging of metadata. However, we make\n\t     * an exception for a safe combined case where curried functions have `_.ary`\n\t     * and or `_.rearg` applied.\n\t     *\n\t     * @private\n\t     * @param {Array} data The destination metadata.\n\t     * @param {Array} source The source metadata.\n\t     * @returns {Array} Returns `data`.\n\t     */\n\t    function mergeData(data, source) {\n\t      var bitmask = data[1],\n\t          srcBitmask = source[1],\n\t          newBitmask = bitmask | srcBitmask,\n\t          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\t\n\t      var isCombo =\n\t        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n\t        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n\t        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\t\n\t      // Exit early if metadata can't be merged.\n\t      if (!(isCommon || isCombo)) {\n\t        return data;\n\t      }\n\t      // Use source `thisArg` if available.\n\t      if (srcBitmask & WRAP_BIND_FLAG) {\n\t        data[2] = source[2];\n\t        // Set when currying a bound function.\n\t        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n\t      }\n\t      // Compose partial arguments.\n\t      var value = source[3];\n\t      if (value) {\n\t        var partials = data[3];\n\t        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n\t        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n\t      }\n\t      // Compose partial right arguments.\n\t      value = source[5];\n\t      if (value) {\n\t        partials = data[5];\n\t        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n\t        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n\t      }\n\t      // Use source `argPos` if available.\n\t      value = source[7];\n\t      if (value) {\n\t        data[7] = value;\n\t      }\n\t      // Use source `ary` if it's smaller.\n\t      if (srcBitmask & WRAP_ARY_FLAG) {\n\t        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n\t      }\n\t      // Use source `arity` if one is not provided.\n\t      if (data[9] == null) {\n\t        data[9] = source[9];\n\t      }\n\t      // Use source `func` and merge bitmasks.\n\t      data[0] = source[0];\n\t      data[1] = newBitmask;\n\t\n\t      return data;\n\t    }\n\t\n\t    /**\n\t     * This function is like\n\t     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n\t     * except that it includes inherited enumerable properties.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function nativeKeysIn(object) {\n\t      var result = [];\n\t      if (object != null) {\n\t        for (var key in Object(object)) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a string using `Object.prototype.toString`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to convert.\n\t     * @returns {string} Returns the converted string.\n\t     */\n\t    function objectToString(value) {\n\t      return nativeObjectToString.call(value);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseRest` which transforms the rest array.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @param {Function} transform The rest array transform.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function overRest(func, start, transform) {\n\t      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n\t      return function() {\n\t        var args = arguments,\n\t            index = -1,\n\t            length = nativeMax(args.length - start, 0),\n\t            array = Array(length);\n\t\n\t        while (++index < length) {\n\t          array[index] = args[start + index];\n\t        }\n\t        index = -1;\n\t        var otherArgs = Array(start + 1);\n\t        while (++index < start) {\n\t          otherArgs[index] = args[index];\n\t        }\n\t        otherArgs[start] = transform(array);\n\t        return apply(func, this, otherArgs);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Gets the parent value at `path` of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array} path The path to get the parent value of.\n\t     * @returns {*} Returns the parent value.\n\t     */\n\t    function parent(object, path) {\n\t      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n\t    }\n\t\n\t    /**\n\t     * Reorder `array` according to the specified indexes where the element at\n\t     * the first index is assigned as the first element, the element at\n\t     * the second index is assigned as the second element, and so on.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to reorder.\n\t     * @param {Array} indexes The arranged array indexes.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function reorder(array, indexes) {\n\t      var arrLength = array.length,\n\t          length = nativeMin(indexes.length, arrLength),\n\t          oldArray = copyArray(array);\n\t\n\t      while (length--) {\n\t        var index = indexes[length];\n\t        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Sets metadata for `func`.\n\t     *\n\t     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n\t     * period of time, it will trip its breaker and transition to an identity\n\t     * function to avoid garbage collection pauses in V8. See\n\t     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n\t     * for more details.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to associate metadata with.\n\t     * @param {*} data The metadata.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var setData = shortOut(baseSetData);\n\t\n\t    /**\n\t     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @returns {number|Object} Returns the timer id or timeout object.\n\t     */\n\t    var setTimeout = ctxSetTimeout || function(func, wait) {\n\t      return root.setTimeout(func, wait);\n\t    };\n\t\n\t    /**\n\t     * Sets the `toString` method of `func` to return `string`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to modify.\n\t     * @param {Function} string The `toString` result.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var setToString = shortOut(baseSetToString);\n\t\n\t    /**\n\t     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n\t     * with wrapper details in a comment at the top of the source body.\n\t     *\n\t     * @private\n\t     * @param {Function} wrapper The function to modify.\n\t     * @param {Function} reference The reference function.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @returns {Function} Returns `wrapper`.\n\t     */\n\t    function setWrapToString(wrapper, reference, bitmask) {\n\t      var source = (reference + '');\n\t      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that'll short out and invoke `identity` instead\n\t     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n\t     * milliseconds.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new shortable function.\n\t     */\n\t    function shortOut(func) {\n\t      var count = 0,\n\t          lastCalled = 0;\n\t\n\t      return function() {\n\t        var stamp = nativeNow(),\n\t            remaining = HOT_SPAN - (stamp - lastCalled);\n\t\n\t        lastCalled = stamp;\n\t        if (remaining > 0) {\n\t          if (++count >= HOT_COUNT) {\n\t            return arguments[0];\n\t          }\n\t        } else {\n\t          count = 0;\n\t        }\n\t        return func.apply(undefined, arguments);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to shuffle.\n\t     * @param {number} [size=array.length] The size of `array`.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function shuffleSelf(array, size) {\n\t      var index = -1,\n\t          length = array.length,\n\t          lastIndex = length - 1;\n\t\n\t      size = size === undefined ? length : size;\n\t      while (++index < size) {\n\t        var rand = baseRandom(index, lastIndex),\n\t            value = array[rand];\n\t\n\t        array[rand] = array[index];\n\t        array[index] = value;\n\t      }\n\t      array.length = size;\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to a property path array.\n\t     *\n\t     * @private\n\t     * @param {string} string The string to convert.\n\t     * @returns {Array} Returns the property path array.\n\t     */\n\t    var stringToPath = memoizeCapped(function(string) {\n\t      var result = [];\n\t      if (reLeadingDot.test(string)) {\n\t        result.push('');\n\t      }\n\t      string.replace(rePropName, function(match, number, quote, string) {\n\t        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n\t      });\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Converts `value` to a string key if it's not a string or symbol.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {string|symbol} Returns the key.\n\t     */\n\t    function toKey(value) {\n\t      if (typeof value == 'string' || isSymbol(value)) {\n\t        return value;\n\t      }\n\t      var result = (value + '');\n\t      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t    }\n\t\n\t    /**\n\t     * Converts `func` to its source code.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to convert.\n\t     * @returns {string} Returns the source code.\n\t     */\n\t    function toSource(func) {\n\t      if (func != null) {\n\t        try {\n\t          return funcToString.call(func);\n\t        } catch (e) {}\n\t        try {\n\t          return (func + '');\n\t        } catch (e) {}\n\t      }\n\t      return '';\n\t    }\n\t\n\t    /**\n\t     * Updates wrapper `details` based on `bitmask` flags.\n\t     *\n\t     * @private\n\t     * @returns {Array} details The details to modify.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @returns {Array} Returns `details`.\n\t     */\n\t    function updateWrapDetails(details, bitmask) {\n\t      arrayEach(wrapFlags, function(pair) {\n\t        var value = '_.' + pair[0];\n\t        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n\t          details.push(value);\n\t        }\n\t      });\n\t      return details.sort();\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `wrapper`.\n\t     *\n\t     * @private\n\t     * @param {Object} wrapper The wrapper to clone.\n\t     * @returns {Object} Returns the cloned wrapper.\n\t     */\n\t    function wrapperClone(wrapper) {\n\t      if (wrapper instanceof LazyWrapper) {\n\t        return wrapper.clone();\n\t      }\n\t      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n\t      result.__actions__ = copyArray(wrapper.__actions__);\n\t      result.__index__  = wrapper.__index__;\n\t      result.__values__ = wrapper.__values__;\n\t      return result;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an array of elements split into groups the length of `size`.\n\t     * If `array` can't be split evenly, the final chunk will be the remaining\n\t     * elements.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to process.\n\t     * @param {number} [size=1] The length of each chunk\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the new array of chunks.\n\t     * @example\n\t     *\n\t     * _.chunk(['a', 'b', 'c', 'd'], 2);\n\t     * // => [['a', 'b'], ['c', 'd']]\n\t     *\n\t     * _.chunk(['a', 'b', 'c', 'd'], 3);\n\t     * // => [['a', 'b', 'c'], ['d']]\n\t     */\n\t    function chunk(array, size, guard) {\n\t      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n\t        size = 1;\n\t      } else {\n\t        size = nativeMax(toInteger(size), 0);\n\t      }\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length || size < 1) {\n\t        return [];\n\t      }\n\t      var index = 0,\n\t          resIndex = 0,\n\t          result = Array(nativeCeil(length / size));\n\t\n\t      while (index < length) {\n\t        result[resIndex++] = baseSlice(array, index, (index += size));\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an array with all falsey values removed. The values `false`, `null`,\n\t     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to compact.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.compact([0, 1, false, 2, '', 3]);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function compact(array) {\n\t      var index = -1,\n\t          length = array == null ? 0 : array.length,\n\t          resIndex = 0,\n\t          result = [];\n\t\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (value) {\n\t          result[resIndex++] = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a new array concatenating `array` with any additional arrays\n\t     * and/or values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to concatenate.\n\t     * @param {...*} [values] The values to concatenate.\n\t     * @returns {Array} Returns the new concatenated array.\n\t     * @example\n\t     *\n\t     * var array = [1];\n\t     * var other = _.concat(array, 2, [3], [[4]]);\n\t     *\n\t     * console.log(other);\n\t     * // => [1, 2, 3, [4]]\n\t     *\n\t     * console.log(array);\n\t     * // => [1]\n\t     */\n\t    function concat() {\n\t      var length = arguments.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      var args = Array(length - 1),\n\t          array = arguments[0],\n\t          index = length;\n\t\n\t      while (index--) {\n\t        args[index - 1] = arguments[index];\n\t      }\n\t      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of `array` values not included in the other given arrays\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. The order and references of result values are\n\t     * determined by the first array.\n\t     *\n\t     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.without, _.xor\n\t     * @example\n\t     *\n\t     * _.difference([2, 1], [2, 3]);\n\t     * // => [1]\n\t     */\n\t    var difference = baseRest(function(array, values) {\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.difference` except that it accepts `iteratee` which\n\t     * is invoked for each element of `array` and `values` to generate the criterion\n\t     * by which they're compared. The order and references of result values are\n\t     * determined by the first array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    var differenceBy = baseRest(function(array, values) {\n\t      var iteratee = last(values);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.difference` except that it accepts `comparator`\n\t     * which is invoked to compare elements of `array` to `values`. The order and\n\t     * references of result values are determined by the first array. The comparator\n\t     * is invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     *\n\t     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n\t     * // => [{ 'x': 2, 'y': 1 }]\n\t     */\n\t    var differenceWith = baseRest(function(array, values) {\n\t      var comparator = last(values);\n\t      if (isArrayLikeObject(comparator)) {\n\t        comparator = undefined;\n\t      }\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements dropped from the beginning.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to drop.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.drop([1, 2, 3]);\n\t     * // => [2, 3]\n\t     *\n\t     * _.drop([1, 2, 3], 2);\n\t     * // => [3]\n\t     *\n\t     * _.drop([1, 2, 3], 5);\n\t     * // => []\n\t     *\n\t     * _.drop([1, 2, 3], 0);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function drop(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      return baseSlice(array, n < 0 ? 0 : n, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements dropped from the end.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to drop.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.dropRight([1, 2, 3]);\n\t     * // => [1, 2]\n\t     *\n\t     * _.dropRight([1, 2, 3], 2);\n\t     * // => [1]\n\t     *\n\t     * _.dropRight([1, 2, 3], 5);\n\t     * // => []\n\t     *\n\t     * _.dropRight([1, 2, 3], 0);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function dropRight(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      n = length - n;\n\t      return baseSlice(array, 0, n < 0 ? 0 : n);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` excluding elements dropped from the end.\n\t     * Elements are dropped until `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.dropRightWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.dropRightWhile(users, ['active', false]);\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.dropRightWhile(users, 'active');\n\t     * // => objects for ['barney', 'fred', 'pebbles']\n\t     */\n\t    function dropRightWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` excluding elements dropped from the beginning.\n\t     * Elements are dropped until `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.dropWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.dropWhile(users, ['active', false]);\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.dropWhile(users, 'active');\n\t     * // => objects for ['barney', 'fred', 'pebbles']\n\t     */\n\t    function dropWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Fills elements of `array` with `value` from `start` up to, but not\n\t     * including, `end`.\n\t     *\n\t     * **Note:** This method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Array\n\t     * @param {Array} array The array to fill.\n\t     * @param {*} value The value to fill `array` with.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _.fill(array, 'a');\n\t     * console.log(array);\n\t     * // => ['a', 'a', 'a']\n\t     *\n\t     * _.fill(Array(3), 2);\n\t     * // => [2, 2, 2]\n\t     *\n\t     * _.fill([4, 6, 8, 10], '*', 1, 3);\n\t     * // => [4, '*', '*', 10]\n\t     */\n\t    function fill(array, value, start, end) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n\t        start = 0;\n\t        end = length;\n\t      }\n\t      return baseFill(array, value, start, end);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.find` except that it returns the index of the first\n\t     * element `predicate` returns truthy for instead of the element itself.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {number} Returns the index of the found element, else `-1`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n\t     * // => 0\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findIndex(users, { 'user': 'fred', 'active': false });\n\t     * // => 1\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findIndex(users, ['active', false]);\n\t     * // => 0\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findIndex(users, 'active');\n\t     * // => 2\n\t     */\n\t    function findIndex(array, predicate, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\t      if (index < 0) {\n\t        index = nativeMax(length + index, 0);\n\t      }\n\t      return baseFindIndex(array, getIteratee(predicate, 3), index);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.findIndex` except that it iterates over elements\n\t     * of `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=array.length-1] The index to search from.\n\t     * @returns {number} Returns the index of the found element, else `-1`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n\t     * // => 2\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n\t     * // => 0\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findLastIndex(users, ['active', false]);\n\t     * // => 2\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findLastIndex(users, 'active');\n\t     * // => 0\n\t     */\n\t    function findLastIndex(array, predicate, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = length - 1;\n\t      if (fromIndex !== undefined) {\n\t        index = toInteger(fromIndex);\n\t        index = fromIndex < 0\n\t          ? nativeMax(length + index, 0)\n\t          : nativeMin(index, length - 1);\n\t      }\n\t      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n\t    }\n\t\n\t    /**\n\t     * Flattens `array` a single level deep.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * _.flatten([1, [2, [3, [4]], 5]]);\n\t     * // => [1, 2, [3, [4]], 5]\n\t     */\n\t    function flatten(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseFlatten(array, 1) : [];\n\t    }\n\t\n\t    /**\n\t     * Recursively flattens `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n\t     * // => [1, 2, 3, 4, 5]\n\t     */\n\t    function flattenDeep(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseFlatten(array, INFINITY) : [];\n\t    }\n\t\n\t    /**\n\t     * Recursively flatten `array` up to `depth` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.4.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @param {number} [depth=1] The maximum recursion depth.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * var array = [1, [2, [3, [4]], 5]];\n\t     *\n\t     * _.flattenDepth(array, 1);\n\t     * // => [1, 2, [3, [4]], 5]\n\t     *\n\t     * _.flattenDepth(array, 2);\n\t     * // => [1, 2, 3, [4], 5]\n\t     */\n\t    function flattenDepth(array, depth) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      depth = depth === undefined ? 1 : toInteger(depth);\n\t      return baseFlatten(array, depth);\n\t    }\n\t\n\t    /**\n\t     * The inverse of `_.toPairs`; this method returns an object composed\n\t     * from key-value `pairs`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} pairs The key-value pairs.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.fromPairs([['a', 1], ['b', 2]]);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    function fromPairs(pairs) {\n\t      var index = -1,\n\t          length = pairs == null ? 0 : pairs.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var pair = pairs[index];\n\t        result[pair[0]] = pair[1];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the first element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias first\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {*} Returns the first element of `array`.\n\t     * @example\n\t     *\n\t     * _.head([1, 2, 3]);\n\t     * // => 1\n\t     *\n\t     * _.head([]);\n\t     * // => undefined\n\t     */\n\t    function head(array) {\n\t      return (array && array.length) ? array[0] : undefined;\n\t    }\n\t\n\t    /**\n\t     * Gets the index at which the first occurrence of `value` is found in `array`\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. If `fromIndex` is negative, it's used as the\n\t     * offset from the end of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.indexOf([1, 2, 1, 2], 2);\n\t     * // => 1\n\t     *\n\t     * // Search from the `fromIndex`.\n\t     * _.indexOf([1, 2, 1, 2], 2, 2);\n\t     * // => 3\n\t     */\n\t    function indexOf(array, value, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\t      if (index < 0) {\n\t        index = nativeMax(length + index, 0);\n\t      }\n\t      return baseIndexOf(array, value, index);\n\t    }\n\t\n\t    /**\n\t     * Gets all but the last element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.initial([1, 2, 3]);\n\t     * // => [1, 2]\n\t     */\n\t    function initial(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseSlice(array, 0, -1) : [];\n\t    }\n\t\n\t    /**\n\t     * Creates an array of unique values that are included in all given arrays\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. The order and references of result values are\n\t     * determined by the first array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * _.intersection([2, 1], [2, 3]);\n\t     * // => [2]\n\t     */\n\t    var intersection = baseRest(function(arrays) {\n\t      var mapped = arrayMap(arrays, castArrayLikeObject);\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.intersection` except that it accepts `iteratee`\n\t     * which is invoked for each element of each `arrays` to generate the criterion\n\t     * by which they're compared. The order and references of result values are\n\t     * determined by the first array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [2.1]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }]\n\t     */\n\t    var intersectionBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays),\n\t          mapped = arrayMap(arrays, castArrayLikeObject);\n\t\n\t      if (iteratee === last(mapped)) {\n\t        iteratee = undefined;\n\t      } else {\n\t        mapped.pop();\n\t      }\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.intersection` except that it accepts `comparator`\n\t     * which is invoked to compare elements of `arrays`. The order and references\n\t     * of result values are determined by the first array. The comparator is\n\t     * invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.intersectionWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }]\n\t     */\n\t    var intersectionWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays),\n\t          mapped = arrayMap(arrays, castArrayLikeObject);\n\t\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      if (comparator) {\n\t        mapped.pop();\n\t      }\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped, undefined, comparator)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Converts all elements in `array` into a string separated by `separator`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to convert.\n\t     * @param {string} [separator=','] The element separator.\n\t     * @returns {string} Returns the joined string.\n\t     * @example\n\t     *\n\t     * _.join(['a', 'b', 'c'], '~');\n\t     * // => 'a~b~c'\n\t     */\n\t    function join(array, separator) {\n\t      return array == null ? '' : nativeJoin.call(array, separator);\n\t    }\n\t\n\t    /**\n\t     * Gets the last element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {*} Returns the last element of `array`.\n\t     * @example\n\t     *\n\t     * _.last([1, 2, 3]);\n\t     * // => 3\n\t     */\n\t    function last(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? array[length - 1] : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.indexOf` except that it iterates over elements of\n\t     * `array` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=array.length-1] The index to search from.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.lastIndexOf([1, 2, 1, 2], 2);\n\t     * // => 3\n\t     *\n\t     * // Search from the `fromIndex`.\n\t     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n\t     * // => 1\n\t     */\n\t    function lastIndexOf(array, value, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = length;\n\t      if (fromIndex !== undefined) {\n\t        index = toInteger(fromIndex);\n\t        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n\t      }\n\t      return value === value\n\t        ? strictLastIndexOf(array, value, index)\n\t        : baseFindIndex(array, baseIsNaN, index, true);\n\t    }\n\t\n\t    /**\n\t     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n\t     * element from the end is returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.11.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=0] The index of the element to return.\n\t     * @returns {*} Returns the nth element of `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'd'];\n\t     *\n\t     * _.nth(array, 1);\n\t     * // => 'b'\n\t     *\n\t     * _.nth(array, -2);\n\t     * // => 'c';\n\t     */\n\t    function nth(array, n) {\n\t      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n\t    }\n\t\n\t    /**\n\t     * Removes all given values from `array` using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n\t     * to remove elements from an array by predicate.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {...*} [values] The values to remove.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n\t     *\n\t     * _.pull(array, 'a', 'c');\n\t     * console.log(array);\n\t     * // => ['b', 'b']\n\t     */\n\t    var pull = baseRest(pullAll);\n\t\n\t    /**\n\t     * This method is like `_.pull` except that it accepts an array of values to remove.\n\t     *\n\t     * **Note:** Unlike `_.difference`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n\t     *\n\t     * _.pullAll(array, ['a', 'c']);\n\t     * console.log(array);\n\t     * // => ['b', 'b']\n\t     */\n\t    function pullAll(array, values) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values)\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n\t     * invoked for each element of `array` and `values` to generate the criterion\n\t     * by which they're compared. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n\t     *\n\t     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n\t     * console.log(array);\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    function pullAllBy(array, values, iteratee) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values, getIteratee(iteratee, 2))\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.pullAll` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `array` to `values`. The comparator is\n\t     * invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n\t     *\n\t     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n\t     * console.log(array);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n\t     */\n\t    function pullAllWith(array, values, comparator) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values, undefined, comparator)\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * Removes elements from `array` corresponding to `indexes` and returns an\n\t     * array of removed elements.\n\t     *\n\t     * **Note:** Unlike `_.at`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n\t     * @returns {Array} Returns the new array of removed elements.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'd'];\n\t     * var pulled = _.pullAt(array, [1, 3]);\n\t     *\n\t     * console.log(array);\n\t     * // => ['a', 'c']\n\t     *\n\t     * console.log(pulled);\n\t     * // => ['b', 'd']\n\t     */\n\t    var pullAt = flatRest(function(array, indexes) {\n\t      var length = array == null ? 0 : array.length,\n\t          result = baseAt(array, indexes);\n\t\n\t      basePullAt(array, arrayMap(indexes, function(index) {\n\t        return isIndex(index, length) ? +index : index;\n\t      }).sort(compareAscending));\n\t\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Removes all elements from `array` that `predicate` returns truthy for\n\t     * and returns an array of the removed elements. The predicate is invoked\n\t     * with three arguments: (value, index, array).\n\t     *\n\t     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n\t     * to pull elements from an array by value.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new array of removed elements.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3, 4];\n\t     * var evens = _.remove(array, function(n) {\n\t     *   return n % 2 == 0;\n\t     * });\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 3]\n\t     *\n\t     * console.log(evens);\n\t     * // => [2, 4]\n\t     */\n\t    function remove(array, predicate) {\n\t      var result = [];\n\t      if (!(array && array.length)) {\n\t        return result;\n\t      }\n\t      var index = -1,\n\t          indexes = [],\n\t          length = array.length;\n\t\n\t      predicate = getIteratee(predicate, 3);\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (predicate(value, index, array)) {\n\t          result.push(value);\n\t          indexes.push(index);\n\t        }\n\t      }\n\t      basePullAt(array, indexes);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Reverses `array` so that the first element becomes the last, the second\n\t     * element becomes the second to last, and so on.\n\t     *\n\t     * **Note:** This method mutates `array` and is based on\n\t     * [`Array#reverse`](https://mdn.io/Array/reverse).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _.reverse(array);\n\t     * // => [3, 2, 1]\n\t     *\n\t     * console.log(array);\n\t     * // => [3, 2, 1]\n\t     */\n\t    function reverse(array) {\n\t      return array == null ? array : nativeReverse.call(array);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` from `start` up to, but not including, `end`.\n\t     *\n\t     * **Note:** This method is used instead of\n\t     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n\t     * returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to slice.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function slice(array, start, end) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n\t        start = 0;\n\t        end = length;\n\t      }\n\t      else {\n\t        start = start == null ? 0 : toInteger(start);\n\t        end = end === undefined ? length : toInteger(end);\n\t      }\n\t      return baseSlice(array, start, end);\n\t    }\n\t\n\t    /**\n\t     * Uses a binary search to determine the lowest index at which `value`\n\t     * should be inserted into `array` in order to maintain its sort order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * _.sortedIndex([30, 50], 40);\n\t     * // => 1\n\t     */\n\t    function sortedIndex(array, value) {\n\t      return baseSortedIndex(array, value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n\t     * which is invoked for `value` and each element of `array` to compute their\n\t     * sort ranking. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n\t     *\n\t     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n\t     * // => 0\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n\t     * // => 0\n\t     */\n\t    function sortedIndexBy(array, value, iteratee) {\n\t      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.indexOf` except that it performs a binary\n\t     * search on a sorted `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n\t     * // => 1\n\t     */\n\t    function sortedIndexOf(array, value) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (length) {\n\t        var index = baseSortedIndex(array, value);\n\t        if (index < length && eq(array[index], value)) {\n\t          return index;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedIndex` except that it returns the highest\n\t     * index at which `value` should be inserted into `array` in order to\n\t     * maintain its sort order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n\t     * // => 4\n\t     */\n\t    function sortedLastIndex(array, value) {\n\t      return baseSortedIndex(array, value, true);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n\t     * which is invoked for `value` and each element of `array` to compute their\n\t     * sort ranking. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n\t     *\n\t     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n\t     * // => 1\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n\t     * // => 1\n\t     */\n\t    function sortedLastIndexBy(array, value, iteratee) {\n\t      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.lastIndexOf` except that it performs a binary\n\t     * search on a sorted `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n\t     * // => 3\n\t     */\n\t    function sortedLastIndexOf(array, value) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (length) {\n\t        var index = baseSortedIndex(array, value, true) - 1;\n\t        if (eq(array[index], value)) {\n\t          return index;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it's designed and optimized\n\t     * for sorted arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.sortedUniq([1, 1, 2]);\n\t     * // => [1, 2]\n\t     */\n\t    function sortedUniq(array) {\n\t      return (array && array.length)\n\t        ? baseSortedUniq(array)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniqBy` except that it's designed and optimized\n\t     * for sorted arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n\t     * // => [1.1, 2.3]\n\t     */\n\t    function sortedUniqBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Gets all but the first element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.tail([1, 2, 3]);\n\t     * // => [2, 3]\n\t     */\n\t    function tail(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseSlice(array, 1, length) : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements taken from the beginning.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to take.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.take([1, 2, 3]);\n\t     * // => [1]\n\t     *\n\t     * _.take([1, 2, 3], 2);\n\t     * // => [1, 2]\n\t     *\n\t     * _.take([1, 2, 3], 5);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * _.take([1, 2, 3], 0);\n\t     * // => []\n\t     */\n\t    function take(array, n, guard) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      return baseSlice(array, 0, n < 0 ? 0 : n);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements taken from the end.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to take.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.takeRight([1, 2, 3]);\n\t     * // => [3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 2);\n\t     * // => [2, 3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 5);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 0);\n\t     * // => []\n\t     */\n\t    function takeRight(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      n = length - n;\n\t      return baseSlice(array, n < 0 ? 0 : n, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with elements taken from the end. Elements are\n\t     * taken until `predicate` returns falsey. The predicate is invoked with\n\t     * three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.takeRightWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.takeRightWhile(users, ['active', false]);\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.takeRightWhile(users, 'active');\n\t     * // => []\n\t     */\n\t    function takeRightWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with elements taken from the beginning. Elements\n\t     * are taken until `predicate` returns falsey. The predicate is invoked with\n\t     * three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.takeWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.takeWhile(users, ['active', false]);\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.takeWhile(users, 'active');\n\t     * // => []\n\t     */\n\t    function takeWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3))\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates an array of unique values, in order, from all given arrays using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * _.union([2], [1, 2]);\n\t     * // => [2, 1]\n\t     */\n\t    var union = baseRest(function(arrays) {\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.union` except that it accepts `iteratee` which is\n\t     * invoked for each element of each `arrays` to generate the criterion by\n\t     * which uniqueness is computed. Result values are chosen from the first\n\t     * array in which the value occurs. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n\t     * // => [2.1, 1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }, { 'x': 2 }]\n\t     */\n\t    var unionBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.union` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `arrays`. Result values are chosen from\n\t     * the first array in which the value occurs. The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.unionWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n\t     */\n\t    var unionWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays);\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n\t    });\n\t\n\t    /**\n\t     * Creates a duplicate-free version of an array, using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons, in which only the first occurrence of each element\n\t     * is kept. The order of result values is determined by the order they occur\n\t     * in the array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.uniq([2, 1, 2]);\n\t     * // => [2, 1]\n\t     */\n\t    function uniq(array) {\n\t      return (array && array.length) ? baseUniq(array) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * uniqueness is computed. The order of result values is determined by the\n\t     * order they occur in the array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n\t     * // => [2.1, 1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }, { 'x': 2 }]\n\t     */\n\t    function uniqBy(array, iteratee) {\n\t      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `array`. The order of result values is\n\t     * determined by the order they occur in the array.The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.uniqWith(objects, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n\t     */\n\t    function uniqWith(array, comparator) {\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zip` except that it accepts an array of grouped\n\t     * elements and creates an array regrouping the elements to their pre-zip\n\t     * configuration.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.2.0\n\t     * @category Array\n\t     * @param {Array} array The array of grouped elements to process.\n\t     * @returns {Array} Returns the new array of regrouped elements.\n\t     * @example\n\t     *\n\t     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n\t     * // => [['a', 1, true], ['b', 2, false]]\n\t     *\n\t     * _.unzip(zipped);\n\t     * // => [['a', 'b'], [1, 2], [true, false]]\n\t     */\n\t    function unzip(array) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      var length = 0;\n\t      array = arrayFilter(array, function(group) {\n\t        if (isArrayLikeObject(group)) {\n\t          length = nativeMax(group.length, length);\n\t          return true;\n\t        }\n\t      });\n\t      return baseTimes(length, function(index) {\n\t        return arrayMap(array, baseProperty(index));\n\t      });\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n\t     * how regrouped values should be combined. The iteratee is invoked with the\n\t     * elements of each group: (...group).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Array\n\t     * @param {Array} array The array of grouped elements to process.\n\t     * @param {Function} [iteratee=_.identity] The function to combine\n\t     *  regrouped values.\n\t     * @returns {Array} Returns the new array of regrouped elements.\n\t     * @example\n\t     *\n\t     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n\t     * // => [[1, 10, 100], [2, 20, 200]]\n\t     *\n\t     * _.unzipWith(zipped, _.add);\n\t     * // => [3, 30, 300]\n\t     */\n\t    function unzipWith(array, iteratee) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      var result = unzip(array);\n\t      if (iteratee == null) {\n\t        return result;\n\t      }\n\t      return arrayMap(result, function(group) {\n\t        return apply(iteratee, undefined, group);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates an array excluding all given values using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * **Note:** Unlike `_.pull`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...*} [values] The values to exclude.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.difference, _.xor\n\t     * @example\n\t     *\n\t     * _.without([2, 1, 2, 3], 1, 2);\n\t     * // => [3]\n\t     */\n\t    var without = baseRest(function(array, values) {\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, values)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Creates an array of unique values that is the\n\t     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n\t     * of the given arrays. The order of result values is determined by the order\n\t     * they occur in the arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.difference, _.without\n\t     * @example\n\t     *\n\t     * _.xor([2, 1], [2, 3]);\n\t     * // => [1, 3]\n\t     */\n\t    var xor = baseRest(function(arrays) {\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.xor` except that it accepts `iteratee` which is\n\t     * invoked for each element of each `arrays` to generate the criterion by\n\t     * which by which they're compared. The order of result values is determined\n\t     * by the order they occur in the arrays. The iteratee is invoked with one\n\t     * argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [1.2, 3.4]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    var xorBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.xor` except that it accepts `comparator` which is\n\t     * invoked to compare elements of `arrays`. The order of result values is\n\t     * determined by the order they occur in the arrays. The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.xorWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n\t     */\n\t    var xorWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays);\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of grouped elements, the first of which contains the\n\t     * first elements of the given arrays, the second of which contains the\n\t     * second elements of the given arrays, and so on.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to process.\n\t     * @returns {Array} Returns the new array of grouped elements.\n\t     * @example\n\t     *\n\t     * _.zip(['a', 'b'], [1, 2], [true, false]);\n\t     * // => [['a', 1, true], ['b', 2, false]]\n\t     */\n\t    var zip = baseRest(unzip);\n\t\n\t    /**\n\t     * This method is like `_.fromPairs` except that it accepts two arrays,\n\t     * one of property identifiers and one of corresponding values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.4.0\n\t     * @category Array\n\t     * @param {Array} [props=[]] The property identifiers.\n\t     * @param {Array} [values=[]] The property values.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.zipObject(['a', 'b'], [1, 2]);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    function zipObject(props, values) {\n\t      return baseZipObject(props || [], values || [], assignValue);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zipObject` except that it supports property paths.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.1.0\n\t     * @category Array\n\t     * @param {Array} [props=[]] The property identifiers.\n\t     * @param {Array} [values=[]] The property values.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n\t     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n\t     */\n\t    function zipObjectDeep(props, values) {\n\t      return baseZipObject(props || [], values || [], baseSet);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zip` except that it accepts `iteratee` to specify\n\t     * how grouped values should be combined. The iteratee is invoked with the\n\t     * elements of each group: (...group).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to process.\n\t     * @param {Function} [iteratee=_.identity] The function to combine\n\t     *  grouped values.\n\t     * @returns {Array} Returns the new array of grouped elements.\n\t     * @example\n\t     *\n\t     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n\t     *   return a + b + c;\n\t     * });\n\t     * // => [111, 222]\n\t     */\n\t    var zipWith = baseRest(function(arrays) {\n\t      var length = arrays.length,\n\t          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\t\n\t      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n\t      return unzipWith(arrays, iteratee);\n\t    });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n\t     * chain sequences enabled. The result of such sequences must be unwrapped\n\t     * with `_#value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.3.0\n\t     * @category Seq\n\t     * @param {*} value The value to wrap.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36 },\n\t     *   { 'user': 'fred',    'age': 40 },\n\t     *   { 'user': 'pebbles', 'age': 1 }\n\t     * ];\n\t     *\n\t     * var youngest = _\n\t     *   .chain(users)\n\t     *   .sortBy('age')\n\t     *   .map(function(o) {\n\t     *     return o.user + ' is ' + o.age;\n\t     *   })\n\t     *   .head()\n\t     *   .value();\n\t     * // => 'pebbles is 1'\n\t     */\n\t    function chain(value) {\n\t      var result = lodash(value);\n\t      result.__chain__ = true;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method invokes `interceptor` and returns `value`. The interceptor\n\t     * is invoked with one argument; (value). The purpose of this method is to\n\t     * \"tap into\" a method chain sequence in order to modify intermediate results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @param {*} value The value to provide to `interceptor`.\n\t     * @param {Function} interceptor The function to invoke.\n\t     * @returns {*} Returns `value`.\n\t     * @example\n\t     *\n\t     * _([1, 2, 3])\n\t     *  .tap(function(array) {\n\t     *    // Mutate input array.\n\t     *    array.pop();\n\t     *  })\n\t     *  .reverse()\n\t     *  .value();\n\t     * // => [2, 1]\n\t     */\n\t    function tap(value, interceptor) {\n\t      interceptor(value);\n\t      return value;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.tap` except that it returns the result of `interceptor`.\n\t     * The purpose of this method is to \"pass thru\" values replacing intermediate\n\t     * results in a method chain sequence.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Seq\n\t     * @param {*} value The value to provide to `interceptor`.\n\t     * @param {Function} interceptor The function to invoke.\n\t     * @returns {*} Returns the result of `interceptor`.\n\t     * @example\n\t     *\n\t     * _('  abc  ')\n\t     *  .chain()\n\t     *  .trim()\n\t     *  .thru(function(value) {\n\t     *    return [value];\n\t     *  })\n\t     *  .value();\n\t     * // => ['abc']\n\t     */\n\t    function thru(value, interceptor) {\n\t      return interceptor(value);\n\t    }\n\t\n\t    /**\n\t     * This method is the wrapper version of `_.at`.\n\t     *\n\t     * @name at\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Seq\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t     *\n\t     * _(object).at(['a[0].b.c', 'a[1]']).value();\n\t     * // => [3, 4]\n\t     */\n\t    var wrapperAt = flatRest(function(paths) {\n\t      var length = paths.length,\n\t          start = length ? paths[0] : 0,\n\t          value = this.__wrapped__,\n\t          interceptor = function(object) { return baseAt(object, paths); };\n\t\n\t      if (length > 1 || this.__actions__.length ||\n\t          !(value instanceof LazyWrapper) || !isIndex(start)) {\n\t        return this.thru(interceptor);\n\t      }\n\t      value = value.slice(start, +start + (length ? 1 : 0));\n\t      value.__actions__.push({\n\t        'func': thru,\n\t        'args': [interceptor],\n\t        'thisArg': undefined\n\t      });\n\t      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n\t        if (length && !array.length) {\n\t          array.push(undefined);\n\t        }\n\t        return array;\n\t      });\n\t    });\n\t\n\t    /**\n\t     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n\t     *\n\t     * @name chain\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36 },\n\t     *   { 'user': 'fred',   'age': 40 }\n\t     * ];\n\t     *\n\t     * // A sequence without explicit chaining.\n\t     * _(users).head();\n\t     * // => { 'user': 'barney', 'age': 36 }\n\t     *\n\t     * // A sequence with explicit chaining.\n\t     * _(users)\n\t     *   .chain()\n\t     *   .head()\n\t     *   .pick('user')\n\t     *   .value();\n\t     * // => { 'user': 'barney' }\n\t     */\n\t    function wrapperChain() {\n\t      return chain(this);\n\t    }\n\t\n\t    /**\n\t     * Executes the chain sequence and returns the wrapped result.\n\t     *\n\t     * @name commit\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var array = [1, 2];\n\t     * var wrapped = _(array).push(3);\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 2]\n\t     *\n\t     * wrapped = wrapped.commit();\n\t     * console.log(array);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * wrapped.last();\n\t     * // => 3\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function wrapperCommit() {\n\t      return new LodashWrapper(this.value(), this.__chain__);\n\t    }\n\t\n\t    /**\n\t     * Gets the next value on a wrapped object following the\n\t     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n\t     *\n\t     * @name next\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the next iterator value.\n\t     * @example\n\t     *\n\t     * var wrapped = _([1, 2]);\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': false, 'value': 1 }\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': false, 'value': 2 }\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': true, 'value': undefined }\n\t     */\n\t    function wrapperNext() {\n\t      if (this.__values__ === undefined) {\n\t        this.__values__ = toArray(this.value());\n\t      }\n\t      var done = this.__index__ >= this.__values__.length,\n\t          value = done ? undefined : this.__values__[this.__index__++];\n\t\n\t      return { 'done': done, 'value': value };\n\t    }\n\t\n\t    /**\n\t     * Enables the wrapper to be iterable.\n\t     *\n\t     * @name Symbol.iterator\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the wrapper object.\n\t     * @example\n\t     *\n\t     * var wrapped = _([1, 2]);\n\t     *\n\t     * wrapped[Symbol.iterator]() === wrapped;\n\t     * // => true\n\t     *\n\t     * Array.from(wrapped);\n\t     * // => [1, 2]\n\t     */\n\t    function wrapperToIterator() {\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n\t     *\n\t     * @name plant\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Seq\n\t     * @param {*} value The value to plant.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var wrapped = _([1, 2]).map(square);\n\t     * var other = wrapped.plant([3, 4]);\n\t     *\n\t     * other.value();\n\t     * // => [9, 16]\n\t     *\n\t     * wrapped.value();\n\t     * // => [1, 4]\n\t     */\n\t    function wrapperPlant(value) {\n\t      var result,\n\t          parent = this;\n\t\n\t      while (parent instanceof baseLodash) {\n\t        var clone = wrapperClone(parent);\n\t        clone.__index__ = 0;\n\t        clone.__values__ = undefined;\n\t        if (result) {\n\t          previous.__wrapped__ = clone;\n\t        } else {\n\t          result = clone;\n\t        }\n\t        var previous = clone;\n\t        parent = parent.__wrapped__;\n\t      }\n\t      previous.__wrapped__ = value;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is the wrapper version of `_.reverse`.\n\t     *\n\t     * **Note:** This method mutates the wrapped array.\n\t     *\n\t     * @name reverse\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _(array).reverse().value()\n\t     * // => [3, 2, 1]\n\t     *\n\t     * console.log(array);\n\t     * // => [3, 2, 1]\n\t     */\n\t    function wrapperReverse() {\n\t      var value = this.__wrapped__;\n\t      if (value instanceof LazyWrapper) {\n\t        var wrapped = value;\n\t        if (this.__actions__.length) {\n\t          wrapped = new LazyWrapper(this);\n\t        }\n\t        wrapped = wrapped.reverse();\n\t        wrapped.__actions__.push({\n\t          'func': thru,\n\t          'args': [reverse],\n\t          'thisArg': undefined\n\t        });\n\t        return new LodashWrapper(wrapped, this.__chain__);\n\t      }\n\t      return this.thru(reverse);\n\t    }\n\t\n\t    /**\n\t     * Executes the chain sequence to resolve the unwrapped value.\n\t     *\n\t     * @name value\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias toJSON, valueOf\n\t     * @category Seq\n\t     * @returns {*} Returns the resolved unwrapped value.\n\t     * @example\n\t     *\n\t     * _([1, 2, 3]).value();\n\t     * // => [1, 2, 3]\n\t     */\n\t    function wrapperValue() {\n\t      return baseWrapperValue(this.__wrapped__, this.__actions__);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The corresponding value of\n\t     * each key is the number of times the key was returned by `iteratee`. The\n\t     * iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n\t     * // => { '4': 1, '6': 2 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.countBy(['one', 'two', 'three'], 'length');\n\t     * // => { '3': 2, '5': 1 }\n\t     */\n\t    var countBy = createAggregator(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, key)) {\n\t        ++result[key];\n\t      } else {\n\t        baseAssignValue(result, key, 1);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n\t     * Iteration is stopped once `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index|key, collection).\n\t     *\n\t     * **Note:** This method returns `true` for\n\t     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n\t     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n\t     * elements of empty collections.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.every([true, 1, null, 'yes'], Boolean);\n\t     * // => false\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': false },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.every(users, { 'user': 'barney', 'active': false });\n\t     * // => false\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.every(users, ['active', false]);\n\t     * // => true\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.every(users, 'active');\n\t     * // => false\n\t     */\n\t    function every(collection, predicate, guard) {\n\t      var func = isArray(collection) ? arrayEvery : baseEvery;\n\t      if (guard && isIterateeCall(collection, predicate, guard)) {\n\t        predicate = undefined;\n\t      }\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection`, returning an array of all elements\n\t     * `predicate` returns truthy for. The predicate is invoked with three\n\t     * arguments: (value, index|key, collection).\n\t     *\n\t     * **Note:** Unlike `_.remove`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     * @see _.reject\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': true },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * _.filter(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.filter(users, { 'age': 36, 'active': true });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.filter(users, ['active', false]);\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.filter(users, 'active');\n\t     * // => objects for ['barney']\n\t     */\n\t    function filter(collection, predicate) {\n\t      var func = isArray(collection) ? arrayFilter : baseFilter;\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection`, returning the first element\n\t     * `predicate` returns truthy for. The predicate is invoked with three\n\t     * arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {*} Returns the matched element, else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36, 'active': true },\n\t     *   { 'user': 'fred',    'age': 40, 'active': false },\n\t     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n\t     * ];\n\t     *\n\t     * _.find(users, function(o) { return o.age < 40; });\n\t     * // => object for 'barney'\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.find(users, { 'age': 1, 'active': true });\n\t     * // => object for 'pebbles'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.find(users, ['active', false]);\n\t     * // => object for 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.find(users, 'active');\n\t     * // => object for 'barney'\n\t     */\n\t    var find = createFind(findIndex);\n\t\n\t    /**\n\t     * This method is like `_.find` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=collection.length-1] The index to search from.\n\t     * @returns {*} Returns the matched element, else `undefined`.\n\t     * @example\n\t     *\n\t     * _.findLast([1, 2, 3, 4], function(n) {\n\t     *   return n % 2 == 1;\n\t     * });\n\t     * // => 3\n\t     */\n\t    var findLast = createFind(findLastIndex);\n\t\n\t    /**\n\t     * Creates a flattened array of values by running each element in `collection`\n\t     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n\t     * with three arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [n, n];\n\t     * }\n\t     *\n\t     * _.flatMap([1, 2], duplicate);\n\t     * // => [1, 1, 2, 2]\n\t     */\n\t    function flatMap(collection, iteratee) {\n\t      return baseFlatten(map(collection, iteratee), 1);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.flatMap` except that it recursively flattens the\n\t     * mapped results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [[[n, n]]];\n\t     * }\n\t     *\n\t     * _.flatMapDeep([1, 2], duplicate);\n\t     * // => [1, 1, 2, 2]\n\t     */\n\t    function flatMapDeep(collection, iteratee) {\n\t      return baseFlatten(map(collection, iteratee), INFINITY);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.flatMap` except that it recursively flattens the\n\t     * mapped results up to `depth` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {number} [depth=1] The maximum recursion depth.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [[[n, n]]];\n\t     * }\n\t     *\n\t     * _.flatMapDepth([1, 2], duplicate, 2);\n\t     * // => [[1, 1], [2, 2]]\n\t     */\n\t    function flatMapDepth(collection, iteratee, depth) {\n\t      depth = depth === undefined ? 1 : toInteger(depth);\n\t      return baseFlatten(map(collection, iteratee), depth);\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n\t     * The iteratee is invoked with three arguments: (value, index|key, collection).\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n\t     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n\t     * or `_.forOwn` for object iteration.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias each\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     * @see _.forEachRight\n\t     * @example\n\t     *\n\t     * _.forEach([1, 2], function(value) {\n\t     *   console.log(value);\n\t     * });\n\t     * // => Logs `1` then `2`.\n\t     *\n\t     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t     */\n\t    function forEach(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayEach : baseEach;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forEach` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @alias eachRight\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     * @see _.forEach\n\t     * @example\n\t     *\n\t     * _.forEachRight([1, 2], function(value) {\n\t     *   console.log(value);\n\t     * });\n\t     * // => Logs `2` then `1`.\n\t     */\n\t    function forEachRight(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The order of grouped values\n\t     * is determined by the order they occur in `collection`. The corresponding\n\t     * value of each key is an array of elements responsible for generating the\n\t     * key. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n\t     * // => { '4': [4.2], '6': [6.1, 6.3] }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.groupBy(['one', 'two', 'three'], 'length');\n\t     * // => { '3': ['one', 'two'], '5': ['three'] }\n\t     */\n\t    var groupBy = createAggregator(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, key)) {\n\t        result[key].push(value);\n\t      } else {\n\t        baseAssignValue(result, key, [value]);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Checks if `value` is in `collection`. If `collection` is a string, it's\n\t     * checked for a substring of `value`, otherwise\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n\t     * the offset from the end of `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object|string} collection The collection to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n\t     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n\t     * @example\n\t     *\n\t     * _.includes([1, 2, 3], 1);\n\t     * // => true\n\t     *\n\t     * _.includes([1, 2, 3], 1, 2);\n\t     * // => false\n\t     *\n\t     * _.includes({ 'a': 1, 'b': 2 }, 1);\n\t     * // => true\n\t     *\n\t     * _.includes('abcd', 'bc');\n\t     * // => true\n\t     */\n\t    function includes(collection, value, fromIndex, guard) {\n\t      collection = isArrayLike(collection) ? collection : values(collection);\n\t      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\t\n\t      var length = collection.length;\n\t      if (fromIndex < 0) {\n\t        fromIndex = nativeMax(length + fromIndex, 0);\n\t      }\n\t      return isString(collection)\n\t        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n\t        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n\t    }\n\t\n\t    /**\n\t     * Invokes the method at `path` of each element in `collection`, returning\n\t     * an array of the results of each invoked method. Any additional arguments\n\t     * are provided to each invoked method. If `path` is a function, it's invoked\n\t     * for, and `this` bound to, each element in `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Array|Function|string} path The path of the method to invoke or\n\t     *  the function invoked per iteration.\n\t     * @param {...*} [args] The arguments to invoke each method with.\n\t     * @returns {Array} Returns the array of results.\n\t     * @example\n\t     *\n\t     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n\t     * // => [[1, 5, 7], [1, 2, 3]]\n\t     *\n\t     * _.invokeMap([123, 456], String.prototype.split, '');\n\t     * // => [['1', '2', '3'], ['4', '5', '6']]\n\t     */\n\t    var invokeMap = baseRest(function(collection, path, args) {\n\t      var index = -1,\n\t          isFunc = typeof path == 'function',\n\t          result = isArrayLike(collection) ? Array(collection.length) : [];\n\t\n\t      baseEach(collection, function(value) {\n\t        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n\t      });\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The corresponding value of\n\t     * each key is the last element responsible for generating the key. The\n\t     * iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * var array = [\n\t     *   { 'dir': 'left', 'code': 97 },\n\t     *   { 'dir': 'right', 'code': 100 }\n\t     * ];\n\t     *\n\t     * _.keyBy(array, function(o) {\n\t     *   return String.fromCharCode(o.code);\n\t     * });\n\t     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n\t     *\n\t     * _.keyBy(array, 'dir');\n\t     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n\t     */\n\t    var keyBy = createAggregator(function(result, value, key) {\n\t      baseAssignValue(result, key, value);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of values by running each element in `collection` thru\n\t     * `iteratee`. The iteratee is invoked with three arguments:\n\t     * (value, index|key, collection).\n\t     *\n\t     * Many lodash methods are guarded to work as iteratees for methods like\n\t     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n\t     *\n\t     * The guarded methods are:\n\t     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n\t     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n\t     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n\t     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new mapped array.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * _.map([4, 8], square);\n\t     * // => [16, 64]\n\t     *\n\t     * _.map({ 'a': 4, 'b': 8 }, square);\n\t     * // => [16, 64] (iteration order is not guaranteed)\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney' },\n\t     *   { 'user': 'fred' }\n\t     * ];\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.map(users, 'user');\n\t     * // => ['barney', 'fred']\n\t     */\n\t    function map(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayMap : baseMap;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortBy` except that it allows specifying the sort\n\t     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n\t     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n\t     * descending or \"asc\" for ascending sort order of corresponding values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n\t     *  The iteratees to sort by.\n\t     * @param {string[]} [orders] The sort orders of `iteratees`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n\t     * @returns {Array} Returns the new sorted array.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'fred',   'age': 48 },\n\t     *   { 'user': 'barney', 'age': 34 },\n\t     *   { 'user': 'fred',   'age': 40 },\n\t     *   { 'user': 'barney', 'age': 36 }\n\t     * ];\n\t     *\n\t     * // Sort by `user` in ascending order and by `age` in descending order.\n\t     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n\t     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n\t     */\n\t    function orderBy(collection, iteratees, orders, guard) {\n\t      if (collection == null) {\n\t        return [];\n\t      }\n\t      if (!isArray(iteratees)) {\n\t        iteratees = iteratees == null ? [] : [iteratees];\n\t      }\n\t      orders = guard ? undefined : orders;\n\t      if (!isArray(orders)) {\n\t        orders = orders == null ? [] : [orders];\n\t      }\n\t      return baseOrderBy(collection, iteratees, orders);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of elements split into two groups, the first of which\n\t     * contains elements `predicate` returns truthy for, the second of which\n\t     * contains elements `predicate` returns falsey for. The predicate is\n\t     * invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the array of grouped elements.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36, 'active': false },\n\t     *   { 'user': 'fred',    'age': 40, 'active': true },\n\t     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n\t     * ];\n\t     *\n\t     * _.partition(users, function(o) { return o.active; });\n\t     * // => objects for [['fred'], ['barney', 'pebbles']]\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.partition(users, { 'age': 1, 'active': false });\n\t     * // => objects for [['pebbles'], ['barney', 'fred']]\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.partition(users, ['active', false]);\n\t     * // => objects for [['barney', 'pebbles'], ['fred']]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.partition(users, 'active');\n\t     * // => objects for [['fred'], ['barney', 'pebbles']]\n\t     */\n\t    var partition = createAggregator(function(result, value, key) {\n\t      result[key ? 0 : 1].push(value);\n\t    }, function() { return [[], []]; });\n\t\n\t    /**\n\t     * Reduces `collection` to a value which is the accumulated result of running\n\t     * each element in `collection` thru `iteratee`, where each successive\n\t     * invocation is supplied the return value of the previous. If `accumulator`\n\t     * is not given, the first element of `collection` is used as the initial\n\t     * value. The iteratee is invoked with four arguments:\n\t     * (accumulator, value, index|key, collection).\n\t     *\n\t     * Many lodash methods are guarded to work as iteratees for methods like\n\t     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n\t     *\n\t     * The guarded methods are:\n\t     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n\t     * and `sortBy`\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The initial value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @see _.reduceRight\n\t     * @example\n\t     *\n\t     * _.reduce([1, 2], function(sum, n) {\n\t     *   return sum + n;\n\t     * }, 0);\n\t     * // => 3\n\t     *\n\t     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t     *   (result[value] || (result[value] = [])).push(key);\n\t     *   return result;\n\t     * }, {});\n\t     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n\t     */\n\t    function reduce(collection, iteratee, accumulator) {\n\t      var func = isArray(collection) ? arrayReduce : baseReduce,\n\t          initAccum = arguments.length < 3;\n\t\n\t      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.reduce` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The initial value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @see _.reduce\n\t     * @example\n\t     *\n\t     * var array = [[0, 1], [2, 3], [4, 5]];\n\t     *\n\t     * _.reduceRight(array, function(flattened, other) {\n\t     *   return flattened.concat(other);\n\t     * }, []);\n\t     * // => [4, 5, 2, 3, 0, 1]\n\t     */\n\t    function reduceRight(collection, iteratee, accumulator) {\n\t      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n\t          initAccum = arguments.length < 3;\n\t\n\t      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.filter`; this method returns the elements of `collection`\n\t     * that `predicate` does **not** return truthy for.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     * @see _.filter\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': false },\n\t     *   { 'user': 'fred',   'age': 40, 'active': true }\n\t     * ];\n\t     *\n\t     * _.reject(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.reject(users, { 'age': 40, 'active': true });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.reject(users, ['active', false]);\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.reject(users, 'active');\n\t     * // => objects for ['barney']\n\t     */\n\t    function reject(collection, predicate) {\n\t      var func = isArray(collection) ? arrayFilter : baseFilter;\n\t      return func(collection, negate(getIteratee(predicate, 3)));\n\t    }\n\t\n\t    /**\n\t     * Gets a random element from `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @returns {*} Returns the random element.\n\t     * @example\n\t     *\n\t     * _.sample([1, 2, 3, 4]);\n\t     * // => 2\n\t     */\n\t    function sample(collection) {\n\t      var func = isArray(collection) ? arraySample : baseSample;\n\t      return func(collection);\n\t    }\n\t\n\t    /**\n\t     * Gets `n` random elements at unique keys from `collection` up to the\n\t     * size of `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @param {number} [n=1] The number of elements to sample.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the random elements.\n\t     * @example\n\t     *\n\t     * _.sampleSize([1, 2, 3], 2);\n\t     * // => [3, 1]\n\t     *\n\t     * _.sampleSize([1, 2, 3], 4);\n\t     * // => [2, 3, 1]\n\t     */\n\t    function sampleSize(collection, n, guard) {\n\t      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n\t        n = 1;\n\t      } else {\n\t        n = toInteger(n);\n\t      }\n\t      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n\t      return func(collection, n);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of shuffled values, using a version of the\n\t     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     * @example\n\t     *\n\t     * _.shuffle([1, 2, 3, 4]);\n\t     * // => [4, 1, 3, 2]\n\t     */\n\t    function shuffle(collection) {\n\t      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n\t      return func(collection);\n\t    }\n\t\n\t    /**\n\t     * Gets the size of `collection` by returning its length for array-like\n\t     * values or the number of own enumerable string keyed properties for objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object|string} collection The collection to inspect.\n\t     * @returns {number} Returns the collection size.\n\t     * @example\n\t     *\n\t     * _.size([1, 2, 3]);\n\t     * // => 3\n\t     *\n\t     * _.size({ 'a': 1, 'b': 2 });\n\t     * // => 2\n\t     *\n\t     * _.size('pebbles');\n\t     * // => 7\n\t     */\n\t    function size(collection) {\n\t      if (collection == null) {\n\t        return 0;\n\t      }\n\t      if (isArrayLike(collection)) {\n\t        return isString(collection) ? stringSize(collection) : collection.length;\n\t      }\n\t      var tag = getTag(collection);\n\t      if (tag == mapTag || tag == setTag) {\n\t        return collection.size;\n\t      }\n\t      return baseKeys(collection).length;\n\t    }\n\t\n\t    /**\n\t     * Checks if `predicate` returns truthy for **any** element of `collection`.\n\t     * Iteration is stopped once `predicate` returns truthy. The predicate is\n\t     * invoked with three arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.some([null, 0, 'yes', false], Boolean);\n\t     * // => true\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'active': true },\n\t     *   { 'user': 'fred',   'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.some(users, { 'user': 'barney', 'active': false });\n\t     * // => false\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.some(users, ['active', false]);\n\t     * // => true\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.some(users, 'active');\n\t     * // => true\n\t     */\n\t    function some(collection, predicate, guard) {\n\t      var func = isArray(collection) ? arraySome : baseSome;\n\t      if (guard && isIterateeCall(collection, predicate, guard)) {\n\t        predicate = undefined;\n\t      }\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of elements, sorted in ascending order by the results of\n\t     * running each element in a collection thru each iteratee. This method\n\t     * performs a stable sort, that is, it preserves the original sort order of\n\t     * equal elements. The iteratees are invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n\t     *  The iteratees to sort by.\n\t     * @returns {Array} Returns the new sorted array.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'fred',   'age': 48 },\n\t     *   { 'user': 'barney', 'age': 36 },\n\t     *   { 'user': 'fred',   'age': 40 },\n\t     *   { 'user': 'barney', 'age': 34 }\n\t     * ];\n\t     *\n\t     * _.sortBy(users, [function(o) { return o.user; }]);\n\t     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n\t     *\n\t     * _.sortBy(users, ['user', 'age']);\n\t     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n\t     */\n\t    var sortBy = baseRest(function(collection, iteratees) {\n\t      if (collection == null) {\n\t        return [];\n\t      }\n\t      var length = iteratees.length;\n\t      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n\t        iteratees = [];\n\t      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n\t        iteratees = [iteratees[0]];\n\t      }\n\t      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n\t    });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Gets the timestamp of the number of milliseconds that have elapsed since\n\t     * the Unix epoch (1 January 1970 00:00:00 UTC).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Date\n\t     * @returns {number} Returns the timestamp.\n\t     * @example\n\t     *\n\t     * _.defer(function(stamp) {\n\t     *   console.log(_.now() - stamp);\n\t     * }, _.now());\n\t     * // => Logs the number of milliseconds it took for the deferred invocation.\n\t     */\n\t    var now = ctxNow || function() {\n\t      return root.Date.now();\n\t    };\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * The opposite of `_.before`; this method creates a function that invokes\n\t     * `func` once it's called `n` or more times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {number} n The number of calls before `func` is invoked.\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * var saves = ['profile', 'settings'];\n\t     *\n\t     * var done = _.after(saves.length, function() {\n\t     *   console.log('done saving!');\n\t     * });\n\t     *\n\t     * _.forEach(saves, function(type) {\n\t     *   asyncSave({ 'type': type, 'complete': done });\n\t     * });\n\t     * // => Logs 'done saving!' after the two async saves have completed.\n\t     */\n\t    function after(n, func) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      n = toInteger(n);\n\t      return function() {\n\t        if (--n < 1) {\n\t          return func.apply(this, arguments);\n\t        }\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func`, with up to `n` arguments,\n\t     * ignoring any additional arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to cap arguments for.\n\t     * @param {number} [n=func.length] The arity cap.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new capped function.\n\t     * @example\n\t     *\n\t     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n\t     * // => [6, 8, 10]\n\t     */\n\t    function ary(func, n, guard) {\n\t      n = guard ? undefined : n;\n\t      n = (func && n == null) ? func.length : n;\n\t      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func`, with the `this` binding and arguments\n\t     * of the created function, while it's called less than `n` times. Subsequent\n\t     * calls to the created function return the result of the last `func` invocation.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {number} n The number of calls at which `func` is no longer invoked.\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * jQuery(element).on('click', _.before(5, addContactToList));\n\t     * // => Allows adding up to 4 contacts to the list.\n\t     */\n\t    function before(n, func) {\n\t      var result;\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      n = toInteger(n);\n\t      return function() {\n\t        if (--n > 0) {\n\t          result = func.apply(this, arguments);\n\t        }\n\t        if (n <= 1) {\n\t          func = undefined;\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n\t     * and `partials` prepended to the arguments it receives.\n\t     *\n\t     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n\t     * may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n\t     * property of bound functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to bind.\n\t     * @param {*} thisArg The `this` binding of `func`.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new bound function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, punctuation) {\n\t     *   return greeting + ' ' + this.user + punctuation;\n\t     * }\n\t     *\n\t     * var object = { 'user': 'fred' };\n\t     *\n\t     * var bound = _.bind(greet, object, 'hi');\n\t     * bound('!');\n\t     * // => 'hi fred!'\n\t     *\n\t     * // Bound with placeholders.\n\t     * var bound = _.bind(greet, object, _, '!');\n\t     * bound('hi');\n\t     * // => 'hi fred!'\n\t     */\n\t    var bind = baseRest(function(func, thisArg, partials) {\n\t      var bitmask = WRAP_BIND_FLAG;\n\t      if (partials.length) {\n\t        var holders = replaceHolders(partials, getHolder(bind));\n\t        bitmask |= WRAP_PARTIAL_FLAG;\n\t      }\n\t      return createWrap(func, bitmask, thisArg, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes the method at `object[key]` with `partials`\n\t     * prepended to the arguments it receives.\n\t     *\n\t     * This method differs from `_.bind` by allowing bound functions to reference\n\t     * methods that may be redefined or don't yet exist. See\n\t     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n\t     * for more details.\n\t     *\n\t     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.10.0\n\t     * @category Function\n\t     * @param {Object} object The object to invoke the method on.\n\t     * @param {string} key The key of the method.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new bound function.\n\t     * @example\n\t     *\n\t     * var object = {\n\t     *   'user': 'fred',\n\t     *   'greet': function(greeting, punctuation) {\n\t     *     return greeting + ' ' + this.user + punctuation;\n\t     *   }\n\t     * };\n\t     *\n\t     * var bound = _.bindKey(object, 'greet', 'hi');\n\t     * bound('!');\n\t     * // => 'hi fred!'\n\t     *\n\t     * object.greet = function(greeting, punctuation) {\n\t     *   return greeting + 'ya ' + this.user + punctuation;\n\t     * };\n\t     *\n\t     * bound('!');\n\t     * // => 'hiya fred!'\n\t     *\n\t     * // Bound with placeholders.\n\t     * var bound = _.bindKey(object, 'greet', _, '!');\n\t     * bound('hi');\n\t     * // => 'hiya fred!'\n\t     */\n\t    var bindKey = baseRest(function(object, key, partials) {\n\t      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n\t      if (partials.length) {\n\t        var holders = replaceHolders(partials, getHolder(bindKey));\n\t        bitmask |= WRAP_PARTIAL_FLAG;\n\t      }\n\t      return createWrap(key, bitmask, object, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that accepts arguments of `func` and either invokes\n\t     * `func` returning its result, if at least `arity` number of arguments have\n\t     * been provided, or returns a function that accepts the remaining `func`\n\t     * arguments, and so on. The arity of `func` may be specified if `func.length`\n\t     * is not sufficient.\n\t     *\n\t     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n\t     * may be used as a placeholder for provided arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of curried functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to curry.\n\t     * @param {number} [arity=func.length] The arity of `func`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new curried function.\n\t     * @example\n\t     *\n\t     * var abc = function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * };\n\t     *\n\t     * var curried = _.curry(abc);\n\t     *\n\t     * curried(1)(2)(3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2)(3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2, 3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * // Curried with placeholders.\n\t     * curried(1)(_, 3)(2);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function curry(func, arity, guard) {\n\t      arity = guard ? undefined : arity;\n\t      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n\t      result.placeholder = curry.placeholder;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.curry` except that arguments are applied to `func`\n\t     * in the manner of `_.partialRight` instead of `_.partial`.\n\t     *\n\t     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for provided arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of curried functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to curry.\n\t     * @param {number} [arity=func.length] The arity of `func`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new curried function.\n\t     * @example\n\t     *\n\t     * var abc = function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * };\n\t     *\n\t     * var curried = _.curryRight(abc);\n\t     *\n\t     * curried(3)(2)(1);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(2, 3)(1);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2, 3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * // Curried with placeholders.\n\t     * curried(3)(1, _)(2);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function curryRight(func, arity, guard) {\n\t      arity = guard ? undefined : arity;\n\t      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n\t      result.placeholder = curryRight.placeholder;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a debounced function that delays invoking `func` until after `wait`\n\t     * milliseconds have elapsed since the last time the debounced function was\n\t     * invoked. The debounced function comes with a `cancel` method to cancel\n\t     * delayed `func` invocations and a `flush` method to immediately invoke them.\n\t     * Provide `options` to indicate whether `func` should be invoked on the\n\t     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n\t     * with the last arguments provided to the debounced function. Subsequent\n\t     * calls to the debounced function return the result of the last `func`\n\t     * invocation.\n\t     *\n\t     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n\t     * invoked on the trailing edge of the timeout only if the debounced function\n\t     * is invoked more than once during the `wait` timeout.\n\t     *\n\t     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n\t     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n\t     *\n\t     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n\t     * for details over the differences between `_.debounce` and `_.throttle`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to debounce.\n\t     * @param {number} [wait=0] The number of milliseconds to delay.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.leading=false]\n\t     *  Specify invoking on the leading edge of the timeout.\n\t     * @param {number} [options.maxWait]\n\t     *  The maximum time `func` is allowed to be delayed before it's invoked.\n\t     * @param {boolean} [options.trailing=true]\n\t     *  Specify invoking on the trailing edge of the timeout.\n\t     * @returns {Function} Returns the new debounced function.\n\t     * @example\n\t     *\n\t     * // Avoid costly calculations while the window size is in flux.\n\t     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n\t     *\n\t     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n\t     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n\t     *   'leading': true,\n\t     *   'trailing': false\n\t     * }));\n\t     *\n\t     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n\t     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n\t     * var source = new EventSource('/stream');\n\t     * jQuery(source).on('message', debounced);\n\t     *\n\t     * // Cancel the trailing debounced invocation.\n\t     * jQuery(window).on('popstate', debounced.cancel);\n\t     */\n\t    function debounce(func, wait, options) {\n\t      var lastArgs,\n\t          lastThis,\n\t          maxWait,\n\t          result,\n\t          timerId,\n\t          lastCallTime,\n\t          lastInvokeTime = 0,\n\t          leading = false,\n\t          maxing = false,\n\t          trailing = true;\n\t\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      wait = toNumber(wait) || 0;\n\t      if (isObject(options)) {\n\t        leading = !!options.leading;\n\t        maxing = 'maxWait' in options;\n\t        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n\t        trailing = 'trailing' in options ? !!options.trailing : trailing;\n\t      }\n\t\n\t      function invokeFunc(time) {\n\t        var args = lastArgs,\n\t            thisArg = lastThis;\n\t\n\t        lastArgs = lastThis = undefined;\n\t        lastInvokeTime = time;\n\t        result = func.apply(thisArg, args);\n\t        return result;\n\t      }\n\t\n\t      function leadingEdge(time) {\n\t        // Reset any `maxWait` timer.\n\t        lastInvokeTime = time;\n\t        // Start the timer for the trailing edge.\n\t        timerId = setTimeout(timerExpired, wait);\n\t        // Invoke the leading edge.\n\t        return leading ? invokeFunc(time) : result;\n\t      }\n\t\n\t      function remainingWait(time) {\n\t        var timeSinceLastCall = time - lastCallTime,\n\t            timeSinceLastInvoke = time - lastInvokeTime,\n\t            result = wait - timeSinceLastCall;\n\t\n\t        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n\t      }\n\t\n\t      function shouldInvoke(time) {\n\t        var timeSinceLastCall = time - lastCallTime,\n\t            timeSinceLastInvoke = time - lastInvokeTime;\n\t\n\t        // Either this is the first call, activity has stopped and we're at the\n\t        // trailing edge, the system time has gone backwards and we're treating\n\t        // it as the trailing edge, or we've hit the `maxWait` limit.\n\t        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n\t          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n\t      }\n\t\n\t      function timerExpired() {\n\t        var time = now();\n\t        if (shouldInvoke(time)) {\n\t          return trailingEdge(time);\n\t        }\n\t        // Restart the timer.\n\t        timerId = setTimeout(timerExpired, remainingWait(time));\n\t      }\n\t\n\t      function trailingEdge(time) {\n\t        timerId = undefined;\n\t\n\t        // Only invoke if we have `lastArgs` which means `func` has been\n\t        // debounced at least once.\n\t        if (trailing && lastArgs) {\n\t          return invokeFunc(time);\n\t        }\n\t        lastArgs = lastThis = undefined;\n\t        return result;\n\t      }\n\t\n\t      function cancel() {\n\t        if (timerId !== undefined) {\n\t          clearTimeout(timerId);\n\t        }\n\t        lastInvokeTime = 0;\n\t        lastArgs = lastCallTime = lastThis = timerId = undefined;\n\t      }\n\t\n\t      function flush() {\n\t        return timerId === undefined ? result : trailingEdge(now());\n\t      }\n\t\n\t      function debounced() {\n\t        var time = now(),\n\t            isInvoking = shouldInvoke(time);\n\t\n\t        lastArgs = arguments;\n\t        lastThis = this;\n\t        lastCallTime = time;\n\t\n\t        if (isInvoking) {\n\t          if (timerId === undefined) {\n\t            return leadingEdge(lastCallTime);\n\t          }\n\t          if (maxing) {\n\t            // Handle invocations in a tight loop.\n\t            timerId = setTimeout(timerExpired, wait);\n\t            return invokeFunc(lastCallTime);\n\t          }\n\t        }\n\t        if (timerId === undefined) {\n\t          timerId = setTimeout(timerExpired, wait);\n\t        }\n\t        return result;\n\t      }\n\t      debounced.cancel = cancel;\n\t      debounced.flush = flush;\n\t      return debounced;\n\t    }\n\t\n\t    /**\n\t     * Defers invoking the `func` until the current call stack has cleared. Any\n\t     * additional arguments are provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to defer.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {number} Returns the timer id.\n\t     * @example\n\t     *\n\t     * _.defer(function(text) {\n\t     *   console.log(text);\n\t     * }, 'deferred');\n\t     * // => Logs 'deferred' after one millisecond.\n\t     */\n\t    var defer = baseRest(function(func, args) {\n\t      return baseDelay(func, 1, args);\n\t    });\n\t\n\t    /**\n\t     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n\t     * provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {number} Returns the timer id.\n\t     * @example\n\t     *\n\t     * _.delay(function(text) {\n\t     *   console.log(text);\n\t     * }, 1000, 'later');\n\t     * // => Logs 'later' after one second.\n\t     */\n\t    var delay = baseRest(function(func, wait, args) {\n\t      return baseDelay(func, toNumber(wait) || 0, args);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with arguments reversed.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to flip arguments for.\n\t     * @returns {Function} Returns the new flipped function.\n\t     * @example\n\t     *\n\t     * var flipped = _.flip(function() {\n\t     *   return _.toArray(arguments);\n\t     * });\n\t     *\n\t     * flipped('a', 'b', 'c', 'd');\n\t     * // => ['d', 'c', 'b', 'a']\n\t     */\n\t    function flip(func) {\n\t      return createWrap(func, WRAP_FLIP_FLAG);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that memoizes the result of `func`. If `resolver` is\n\t     * provided, it determines the cache key for storing the result based on the\n\t     * arguments provided to the memoized function. By default, the first argument\n\t     * provided to the memoized function is used as the map cache key. The `func`\n\t     * is invoked with the `this` binding of the memoized function.\n\t     *\n\t     * **Note:** The cache is exposed as the `cache` property on the memoized\n\t     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n\t     * constructor with one whose instances implement the\n\t     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n\t     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to have its output memoized.\n\t     * @param {Function} [resolver] The function to resolve the cache key.\n\t     * @returns {Function} Returns the new memoized function.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     * var other = { 'c': 3, 'd': 4 };\n\t     *\n\t     * var values = _.memoize(_.values);\n\t     * values(object);\n\t     * // => [1, 2]\n\t     *\n\t     * values(other);\n\t     * // => [3, 4]\n\t     *\n\t     * object.a = 2;\n\t     * values(object);\n\t     * // => [1, 2]\n\t     *\n\t     * // Modify the result cache.\n\t     * values.cache.set(object, ['a', 'b']);\n\t     * values(object);\n\t     * // => ['a', 'b']\n\t     *\n\t     * // Replace `_.memoize.Cache`.\n\t     * _.memoize.Cache = WeakMap;\n\t     */\n\t    function memoize(func, resolver) {\n\t      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      var memoized = function() {\n\t        var args = arguments,\n\t            key = resolver ? resolver.apply(this, args) : args[0],\n\t            cache = memoized.cache;\n\t\n\t        if (cache.has(key)) {\n\t          return cache.get(key);\n\t        }\n\t        var result = func.apply(this, args);\n\t        memoized.cache = cache.set(key, result) || cache;\n\t        return result;\n\t      };\n\t      memoized.cache = new (memoize.Cache || MapCache);\n\t      return memoized;\n\t    }\n\t\n\t    // Expose `MapCache`.\n\t    memoize.Cache = MapCache;\n\t\n\t    /**\n\t     * Creates a function that negates the result of the predicate `func`. The\n\t     * `func` predicate is invoked with the `this` binding and arguments of the\n\t     * created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} predicate The predicate to negate.\n\t     * @returns {Function} Returns the new negated function.\n\t     * @example\n\t     *\n\t     * function isEven(n) {\n\t     *   return n % 2 == 0;\n\t     * }\n\t     *\n\t     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n\t     * // => [1, 3, 5]\n\t     */\n\t    function negate(predicate) {\n\t      if (typeof predicate != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      return function() {\n\t        var args = arguments;\n\t        switch (args.length) {\n\t          case 0: return !predicate.call(this);\n\t          case 1: return !predicate.call(this, args[0]);\n\t          case 2: return !predicate.call(this, args[0], args[1]);\n\t          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n\t        }\n\t        return !predicate.apply(this, args);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that is restricted to invoking `func` once. Repeat calls\n\t     * to the function return the value of the first invocation. The `func` is\n\t     * invoked with the `this` binding and arguments of the created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * var initialize = _.once(createApplication);\n\t     * initialize();\n\t     * initialize();\n\t     * // => `createApplication` is invoked once\n\t     */\n\t    function once(func) {\n\t      return before(2, func);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with its arguments transformed.\n\t     *\n\t     * @static\n\t     * @since 4.0.0\n\t     * @memberOf _\n\t     * @category Function\n\t     * @param {Function} func The function to wrap.\n\t     * @param {...(Function|Function[])} [transforms=[_.identity]]\n\t     *  The argument transforms.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * function doubled(n) {\n\t     *   return n * 2;\n\t     * }\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var func = _.overArgs(function(x, y) {\n\t     *   return [x, y];\n\t     * }, [square, doubled]);\n\t     *\n\t     * func(9, 3);\n\t     * // => [81, 6]\n\t     *\n\t     * func(10, 5);\n\t     * // => [100, 10]\n\t     */\n\t    var overArgs = castRest(function(func, transforms) {\n\t      transforms = (transforms.length == 1 && isArray(transforms[0]))\n\t        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n\t        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\t\n\t      var funcsLength = transforms.length;\n\t      return baseRest(function(args) {\n\t        var index = -1,\n\t            length = nativeMin(args.length, funcsLength);\n\t\n\t        while (++index < length) {\n\t          args[index] = transforms[index].call(this, args[index]);\n\t        }\n\t        return apply(func, this, args);\n\t      });\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with `partials` prepended to the\n\t     * arguments it receives. This method is like `_.bind` except it does **not**\n\t     * alter the `this` binding.\n\t     *\n\t     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of partially\n\t     * applied functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.2.0\n\t     * @category Function\n\t     * @param {Function} func The function to partially apply arguments to.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new partially applied function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, name) {\n\t     *   return greeting + ' ' + name;\n\t     * }\n\t     *\n\t     * var sayHelloTo = _.partial(greet, 'hello');\n\t     * sayHelloTo('fred');\n\t     * // => 'hello fred'\n\t     *\n\t     * // Partially applied with placeholders.\n\t     * var greetFred = _.partial(greet, _, 'fred');\n\t     * greetFred('hi');\n\t     * // => 'hi fred'\n\t     */\n\t    var partial = baseRest(function(func, partials) {\n\t      var holders = replaceHolders(partials, getHolder(partial));\n\t      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.partial` except that partially applied arguments\n\t     * are appended to the arguments it receives.\n\t     *\n\t     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of partially\n\t     * applied functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to partially apply arguments to.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new partially applied function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, name) {\n\t     *   return greeting + ' ' + name;\n\t     * }\n\t     *\n\t     * var greetFred = _.partialRight(greet, 'fred');\n\t     * greetFred('hi');\n\t     * // => 'hi fred'\n\t     *\n\t     * // Partially applied with placeholders.\n\t     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n\t     * sayHelloTo('fred');\n\t     * // => 'hello fred'\n\t     */\n\t    var partialRight = baseRest(function(func, partials) {\n\t      var holders = replaceHolders(partials, getHolder(partialRight));\n\t      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with arguments arranged according\n\t     * to the specified `indexes` where the argument value at the first index is\n\t     * provided as the first argument, the argument value at the second index is\n\t     * provided as the second argument, and so on.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to rearrange arguments for.\n\t     * @param {...(number|number[])} indexes The arranged argument indexes.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var rearged = _.rearg(function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * }, [2, 0, 1]);\n\t     *\n\t     * rearged('b', 'c', 'a')\n\t     * // => ['a', 'b', 'c']\n\t     */\n\t    var rearg = flatRest(function(func, indexes) {\n\t      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of the\n\t     * created function and arguments from `start` and beyond provided as\n\t     * an array.\n\t     *\n\t     * **Note:** This method is based on the\n\t     * [rest parameter](https://mdn.io/rest_parameters).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var say = _.rest(function(what, names) {\n\t     *   return what + ' ' + _.initial(names).join(', ') +\n\t     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n\t     * });\n\t     *\n\t     * say('hello', 'fred', 'barney', 'pebbles');\n\t     * // => 'hello fred, barney, & pebbles'\n\t     */\n\t    function rest(func, start) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      start = start === undefined ? start : toInteger(start);\n\t      return baseRest(func, start);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of the\n\t     * create function and an array of arguments much like\n\t     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n\t     *\n\t     * **Note:** This method is based on the\n\t     * [spread operator](https://mdn.io/spread_operator).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Function\n\t     * @param {Function} func The function to spread arguments over.\n\t     * @param {number} [start=0] The start position of the spread.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var say = _.spread(function(who, what) {\n\t     *   return who + ' says ' + what;\n\t     * });\n\t     *\n\t     * say(['fred', 'hello']);\n\t     * // => 'fred says hello'\n\t     *\n\t     * var numbers = Promise.all([\n\t     *   Promise.resolve(40),\n\t     *   Promise.resolve(36)\n\t     * ]);\n\t     *\n\t     * numbers.then(_.spread(function(x, y) {\n\t     *   return x + y;\n\t     * }));\n\t     * // => a Promise of 76\n\t     */\n\t    function spread(func, start) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n\t      return baseRest(function(args) {\n\t        var array = args[start],\n\t            otherArgs = castSlice(args, 0, start);\n\t\n\t        if (array) {\n\t          arrayPush(otherArgs, array);\n\t        }\n\t        return apply(func, this, otherArgs);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a throttled function that only invokes `func` at most once per\n\t     * every `wait` milliseconds. The throttled function comes with a `cancel`\n\t     * method to cancel delayed `func` invocations and a `flush` method to\n\t     * immediately invoke them. Provide `options` to indicate whether `func`\n\t     * should be invoked on the leading and/or trailing edge of the `wait`\n\t     * timeout. The `func` is invoked with the last arguments provided to the\n\t     * throttled function. Subsequent calls to the throttled function return the\n\t     * result of the last `func` invocation.\n\t     *\n\t     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n\t     * invoked on the trailing edge of the timeout only if the throttled function\n\t     * is invoked more than once during the `wait` timeout.\n\t     *\n\t     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n\t     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n\t     *\n\t     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n\t     * for details over the differences between `_.throttle` and `_.debounce`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to throttle.\n\t     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.leading=true]\n\t     *  Specify invoking on the leading edge of the timeout.\n\t     * @param {boolean} [options.trailing=true]\n\t     *  Specify invoking on the trailing edge of the timeout.\n\t     * @returns {Function} Returns the new throttled function.\n\t     * @example\n\t     *\n\t     * // Avoid excessively updating the position while scrolling.\n\t     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n\t     *\n\t     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n\t     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n\t     * jQuery(element).on('click', throttled);\n\t     *\n\t     * // Cancel the trailing throttled invocation.\n\t     * jQuery(window).on('popstate', throttled.cancel);\n\t     */\n\t    function throttle(func, wait, options) {\n\t      var leading = true,\n\t          trailing = true;\n\t\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      if (isObject(options)) {\n\t        leading = 'leading' in options ? !!options.leading : leading;\n\t        trailing = 'trailing' in options ? !!options.trailing : trailing;\n\t      }\n\t      return debounce(func, wait, {\n\t        'leading': leading,\n\t        'maxWait': wait,\n\t        'trailing': trailing\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that accepts up to one argument, ignoring any\n\t     * additional arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to cap arguments for.\n\t     * @returns {Function} Returns the new capped function.\n\t     * @example\n\t     *\n\t     * _.map(['6', '8', '10'], _.unary(parseInt));\n\t     * // => [6, 8, 10]\n\t     */\n\t    function unary(func) {\n\t      return ary(func, 1);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that provides `value` to `wrapper` as its first\n\t     * argument. Any additional arguments provided to the function are appended\n\t     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n\t     * binding of the created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {*} value The value to wrap.\n\t     * @param {Function} [wrapper=identity] The wrapper function.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var p = _.wrap(_.escape, function(func, text) {\n\t     *   return '<p>' + func(text) + '</p>';\n\t     * });\n\t     *\n\t     * p('fred, barney, & pebbles');\n\t     * // => '<p>fred, barney, &amp; pebbles</p>'\n\t     */\n\t    function wrap(value, wrapper) {\n\t      return partial(castFunction(wrapper), value);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Casts `value` as an array if it's not one.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.4.0\n\t     * @category Lang\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Array} Returns the cast array.\n\t     * @example\n\t     *\n\t     * _.castArray(1);\n\t     * // => [1]\n\t     *\n\t     * _.castArray({ 'a': 1 });\n\t     * // => [{ 'a': 1 }]\n\t     *\n\t     * _.castArray('abc');\n\t     * // => ['abc']\n\t     *\n\t     * _.castArray(null);\n\t     * // => [null]\n\t     *\n\t     * _.castArray(undefined);\n\t     * // => [undefined]\n\t     *\n\t     * _.castArray();\n\t     * // => []\n\t     *\n\t     * var array = [1, 2, 3];\n\t     * console.log(_.castArray(array) === array);\n\t     * // => true\n\t     */\n\t    function castArray() {\n\t      if (!arguments.length) {\n\t        return [];\n\t      }\n\t      var value = arguments[0];\n\t      return isArray(value) ? value : [value];\n\t    }\n\t\n\t    /**\n\t     * Creates a shallow clone of `value`.\n\t     *\n\t     * **Note:** This method is loosely based on the\n\t     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n\t     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n\t     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n\t     * arrays. The own enumerable properties of `arguments` objects are cloned\n\t     * as plain objects. An empty object is returned for uncloneable values such\n\t     * as error objects, functions, DOM nodes, and WeakMaps.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to clone.\n\t     * @returns {*} Returns the cloned value.\n\t     * @see _.cloneDeep\n\t     * @example\n\t     *\n\t     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t     *\n\t     * var shallow = _.clone(objects);\n\t     * console.log(shallow[0] === objects[0]);\n\t     * // => true\n\t     */\n\t    function clone(value) {\n\t      return baseClone(value, CLONE_SYMBOLS_FLAG);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.clone` except that it accepts `customizer` which\n\t     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n\t     * cloning is handled by the method instead. The `customizer` is invoked with\n\t     * up to four arguments; (value [, index|key, object, stack]).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to clone.\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @returns {*} Returns the cloned value.\n\t     * @see _.cloneDeepWith\n\t     * @example\n\t     *\n\t     * function customizer(value) {\n\t     *   if (_.isElement(value)) {\n\t     *     return value.cloneNode(false);\n\t     *   }\n\t     * }\n\t     *\n\t     * var el = _.cloneWith(document.body, customizer);\n\t     *\n\t     * console.log(el === document.body);\n\t     * // => false\n\t     * console.log(el.nodeName);\n\t     * // => 'BODY'\n\t     * console.log(el.childNodes.length);\n\t     * // => 0\n\t     */\n\t    function cloneWith(value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.clone` except that it recursively clones `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to recursively clone.\n\t     * @returns {*} Returns the deep cloned value.\n\t     * @see _.clone\n\t     * @example\n\t     *\n\t     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t     *\n\t     * var deep = _.cloneDeep(objects);\n\t     * console.log(deep[0] === objects[0]);\n\t     * // => false\n\t     */\n\t    function cloneDeep(value) {\n\t      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.cloneWith` except that it recursively clones `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to recursively clone.\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @returns {*} Returns the deep cloned value.\n\t     * @see _.cloneWith\n\t     * @example\n\t     *\n\t     * function customizer(value) {\n\t     *   if (_.isElement(value)) {\n\t     *     return value.cloneNode(true);\n\t     *   }\n\t     * }\n\t     *\n\t     * var el = _.cloneDeepWith(document.body, customizer);\n\t     *\n\t     * console.log(el === document.body);\n\t     * // => false\n\t     * console.log(el.nodeName);\n\t     * // => 'BODY'\n\t     * console.log(el.childNodes.length);\n\t     * // => 20\n\t     */\n\t    function cloneDeepWith(value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n\t    }\n\t\n\t    /**\n\t     * Checks if `object` conforms to `source` by invoking the predicate\n\t     * properties of `source` with the corresponding property values of `object`.\n\t     *\n\t     * **Note:** This method is equivalent to `_.conforms` when `source` is\n\t     * partially applied.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.14.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     *\n\t     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n\t     * // => true\n\t     *\n\t     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n\t     * // => false\n\t     */\n\t    function conformsTo(object, source) {\n\t      return source == null || baseConformsTo(object, source, keys(source));\n\t    }\n\t\n\t    /**\n\t     * Performs a\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * comparison between two values to determine if they are equivalent.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     * var other = { 'a': 1 };\n\t     *\n\t     * _.eq(object, object);\n\t     * // => true\n\t     *\n\t     * _.eq(object, other);\n\t     * // => false\n\t     *\n\t     * _.eq('a', 'a');\n\t     * // => true\n\t     *\n\t     * _.eq('a', Object('a'));\n\t     * // => false\n\t     *\n\t     * _.eq(NaN, NaN);\n\t     * // => true\n\t     */\n\t    function eq(value, other) {\n\t      return value === other || (value !== value && other !== other);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is greater than `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t     *  else `false`.\n\t     * @see _.lt\n\t     * @example\n\t     *\n\t     * _.gt(3, 1);\n\t     * // => true\n\t     *\n\t     * _.gt(3, 3);\n\t     * // => false\n\t     *\n\t     * _.gt(1, 3);\n\t     * // => false\n\t     */\n\t    var gt = createRelationalOperation(baseGt);\n\t\n\t    /**\n\t     * Checks if `value` is greater than or equal to `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n\t     *  `other`, else `false`.\n\t     * @see _.lte\n\t     * @example\n\t     *\n\t     * _.gte(3, 1);\n\t     * // => true\n\t     *\n\t     * _.gte(3, 3);\n\t     * // => true\n\t     *\n\t     * _.gte(1, 3);\n\t     * // => false\n\t     */\n\t    var gte = createRelationalOperation(function(value, other) {\n\t      return value >= other;\n\t    });\n\t\n\t    /**\n\t     * Checks if `value` is likely an `arguments` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isArguments(function() { return arguments; }());\n\t     * // => true\n\t     *\n\t     * _.isArguments([1, 2, 3]);\n\t     * // => false\n\t     */\n\t    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n\t      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n\t        !propertyIsEnumerable.call(value, 'callee');\n\t    };\n\t\n\t    /**\n\t     * Checks if `value` is classified as an `Array` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArray([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArray(document.body.children);\n\t     * // => false\n\t     *\n\t     * _.isArray('abc');\n\t     * // => false\n\t     *\n\t     * _.isArray(_.noop);\n\t     * // => false\n\t     */\n\t    var isArray = Array.isArray;\n\t\n\t    /**\n\t     * Checks if `value` is classified as an `ArrayBuffer` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayBuffer(new ArrayBuffer(2));\n\t     * // => true\n\t     *\n\t     * _.isArrayBuffer(new Array(2));\n\t     * // => false\n\t     */\n\t    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\t\n\t    /**\n\t     * Checks if `value` is array-like. A value is considered array-like if it's\n\t     * not a function and has a `value.length` that's an integer greater than or\n\t     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayLike([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArrayLike(document.body.children);\n\t     * // => true\n\t     *\n\t     * _.isArrayLike('abc');\n\t     * // => true\n\t     *\n\t     * _.isArrayLike(_.noop);\n\t     * // => false\n\t     */\n\t    function isArrayLike(value) {\n\t      return value != null && isLength(value.length) && !isFunction(value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isArrayLike` except that it also checks if `value`\n\t     * is an object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array-like object,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayLikeObject([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArrayLikeObject(document.body.children);\n\t     * // => true\n\t     *\n\t     * _.isArrayLikeObject('abc');\n\t     * // => false\n\t     *\n\t     * _.isArrayLikeObject(_.noop);\n\t     * // => false\n\t     */\n\t    function isArrayLikeObject(value) {\n\t      return isObjectLike(value) && isArrayLike(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a boolean primitive or object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n\t     * @example\n\t     *\n\t     * _.isBoolean(false);\n\t     * // => true\n\t     *\n\t     * _.isBoolean(null);\n\t     * // => false\n\t     */\n\t    function isBoolean(value) {\n\t      return value === true || value === false ||\n\t        (isObjectLike(value) && baseGetTag(value) == boolTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a buffer.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isBuffer(new Buffer(2));\n\t     * // => true\n\t     *\n\t     * _.isBuffer(new Uint8Array(2));\n\t     * // => false\n\t     */\n\t    var isBuffer = nativeIsBuffer || stubFalse;\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Date` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isDate(new Date);\n\t     * // => true\n\t     *\n\t     * _.isDate('Mon April 23 2012');\n\t     * // => false\n\t     */\n\t    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\t\n\t    /**\n\t     * Checks if `value` is likely a DOM element.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n\t     * @example\n\t     *\n\t     * _.isElement(document.body);\n\t     * // => true\n\t     *\n\t     * _.isElement('<body>');\n\t     * // => false\n\t     */\n\t    function isElement(value) {\n\t      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an empty object, collection, map, or set.\n\t     *\n\t     * Objects are considered empty if they have no own enumerable string keyed\n\t     * properties.\n\t     *\n\t     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n\t     * jQuery-like collections are considered empty if they have a `length` of `0`.\n\t     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n\t     * @example\n\t     *\n\t     * _.isEmpty(null);\n\t     * // => true\n\t     *\n\t     * _.isEmpty(true);\n\t     * // => true\n\t     *\n\t     * _.isEmpty(1);\n\t     * // => true\n\t     *\n\t     * _.isEmpty([1, 2, 3]);\n\t     * // => false\n\t     *\n\t     * _.isEmpty({ 'a': 1 });\n\t     * // => false\n\t     */\n\t    function isEmpty(value) {\n\t      if (value == null) {\n\t        return true;\n\t      }\n\t      if (isArrayLike(value) &&\n\t          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n\t            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n\t        return !value.length;\n\t      }\n\t      var tag = getTag(value);\n\t      if (tag == mapTag || tag == setTag) {\n\t        return !value.size;\n\t      }\n\t      if (isPrototype(value)) {\n\t        return !baseKeys(value).length;\n\t      }\n\t      for (var key in value) {\n\t        if (hasOwnProperty.call(value, key)) {\n\t          return false;\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Performs a deep comparison between two values to determine if they are\n\t     * equivalent.\n\t     *\n\t     * **Note:** This method supports comparing arrays, array buffers, booleans,\n\t     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n\t     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n\t     * by their own, not inherited, enumerable properties. Functions and DOM\n\t     * nodes are compared by strict equality, i.e. `===`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     * var other = { 'a': 1 };\n\t     *\n\t     * _.isEqual(object, other);\n\t     * // => true\n\t     *\n\t     * object === other;\n\t     * // => false\n\t     */\n\t    function isEqual(value, other) {\n\t      return baseIsEqual(value, other);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isEqual` except that it accepts `customizer` which\n\t     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t     * are handled by the method instead. The `customizer` is invoked with up to\n\t     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * function isGreeting(value) {\n\t     *   return /^h(?:i|ello)$/.test(value);\n\t     * }\n\t     *\n\t     * function customizer(objValue, othValue) {\n\t     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n\t     *     return true;\n\t     *   }\n\t     * }\n\t     *\n\t     * var array = ['hello', 'goodbye'];\n\t     * var other = ['hi', 'goodbye'];\n\t     *\n\t     * _.isEqualWith(array, other, customizer);\n\t     * // => true\n\t     */\n\t    function isEqualWith(value, other, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      var result = customizer ? customizer(value, other) : undefined;\n\t      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n\t     * `SyntaxError`, `TypeError`, or `URIError` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isError(new Error);\n\t     * // => true\n\t     *\n\t     * _.isError(Error);\n\t     * // => false\n\t     */\n\t    function isError(value) {\n\t      if (!isObjectLike(value)) {\n\t        return false;\n\t      }\n\t      var tag = baseGetTag(value);\n\t      return tag == errorTag || tag == domExcTag ||\n\t        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a finite primitive number.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n\t     * @example\n\t     *\n\t     * _.isFinite(3);\n\t     * // => true\n\t     *\n\t     * _.isFinite(Number.MIN_VALUE);\n\t     * // => true\n\t     *\n\t     * _.isFinite(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isFinite('3');\n\t     * // => false\n\t     */\n\t    function isFinite(value) {\n\t      return typeof value == 'number' && nativeIsFinite(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Function` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n\t     * @example\n\t     *\n\t     * _.isFunction(_);\n\t     * // => true\n\t     *\n\t     * _.isFunction(/abc/);\n\t     * // => false\n\t     */\n\t    function isFunction(value) {\n\t      if (!isObject(value)) {\n\t        return false;\n\t      }\n\t      // The use of `Object#toString` avoids issues with the `typeof` operator\n\t      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n\t      var tag = baseGetTag(value);\n\t      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an integer.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isInteger(3);\n\t     * // => true\n\t     *\n\t     * _.isInteger(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isInteger(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isInteger('3');\n\t     * // => false\n\t     */\n\t    function isInteger(value) {\n\t      return typeof value == 'number' && value == toInteger(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a valid array-like length.\n\t     *\n\t     * **Note:** This method is loosely based on\n\t     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n\t     * @example\n\t     *\n\t     * _.isLength(3);\n\t     * // => true\n\t     *\n\t     * _.isLength(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isLength(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isLength('3');\n\t     * // => false\n\t     */\n\t    function isLength(value) {\n\t      return typeof value == 'number' &&\n\t        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is the\n\t     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n\t     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isObject({});\n\t     * // => true\n\t     *\n\t     * _.isObject([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isObject(_.noop);\n\t     * // => true\n\t     *\n\t     * _.isObject(null);\n\t     * // => false\n\t     */\n\t    function isObject(value) {\n\t      var type = typeof value;\n\t      return value != null && (type == 'object' || type == 'function');\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is object-like. A value is object-like if it's not `null`\n\t     * and has a `typeof` result of \"object\".\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n\t     * @example\n\t     *\n\t     * _.isObjectLike({});\n\t     * // => true\n\t     *\n\t     * _.isObjectLike([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isObjectLike(_.noop);\n\t     * // => false\n\t     *\n\t     * _.isObjectLike(null);\n\t     * // => false\n\t     */\n\t    function isObjectLike(value) {\n\t      return value != null && typeof value == 'object';\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Map` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n\t     * @example\n\t     *\n\t     * _.isMap(new Map);\n\t     * // => true\n\t     *\n\t     * _.isMap(new WeakMap);\n\t     * // => false\n\t     */\n\t    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\t\n\t    /**\n\t     * Performs a partial deep comparison between `object` and `source` to\n\t     * determine if `object` contains equivalent property values.\n\t     *\n\t     * **Note:** This method is equivalent to `_.matches` when `source` is\n\t     * partially applied.\n\t     *\n\t     * Partial comparisons will match empty array and empty object `source`\n\t     * values against any array or object value, respectively. See `_.isEqual`\n\t     * for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     *\n\t     * _.isMatch(object, { 'b': 2 });\n\t     * // => true\n\t     *\n\t     * _.isMatch(object, { 'b': 1 });\n\t     * // => false\n\t     */\n\t    function isMatch(object, source) {\n\t      return object === source || baseIsMatch(object, source, getMatchData(source));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isMatch` except that it accepts `customizer` which\n\t     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t     * are handled by the method instead. The `customizer` is invoked with five\n\t     * arguments: (objValue, srcValue, index|key, object, source).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     * @example\n\t     *\n\t     * function isGreeting(value) {\n\t     *   return /^h(?:i|ello)$/.test(value);\n\t     * }\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n\t     *     return true;\n\t     *   }\n\t     * }\n\t     *\n\t     * var object = { 'greeting': 'hello' };\n\t     * var source = { 'greeting': 'hi' };\n\t     *\n\t     * _.isMatchWith(object, source, customizer);\n\t     * // => true\n\t     */\n\t    function isMatchWith(object, source, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseIsMatch(object, source, getMatchData(source), customizer);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `NaN`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n\t     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n\t     * `undefined` and other non-number values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNaN(NaN);\n\t     * // => true\n\t     *\n\t     * _.isNaN(new Number(NaN));\n\t     * // => true\n\t     *\n\t     * isNaN(undefined);\n\t     * // => true\n\t     *\n\t     * _.isNaN(undefined);\n\t     * // => false\n\t     */\n\t    function isNaN(value) {\n\t      // An `NaN` primitive is the only value that is not equal to itself.\n\t      // Perform the `toStringTag` check first to avoid errors with some\n\t      // ActiveX objects in IE.\n\t      return isNumber(value) && value != +value;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a pristine native function.\n\t     *\n\t     * **Note:** This method can't reliably detect native functions in the presence\n\t     * of the core-js package because core-js circumvents this kind of detection.\n\t     * Despite multiple requests, the core-js maintainer has made it clear: any\n\t     * attempt to fix the detection will be obstructed. As a result, we're left\n\t     * with little choice but to throw an error. Unfortunately, this also affects\n\t     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n\t     * which rely on core-js.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a native function,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isNative(Array.prototype.push);\n\t     * // => true\n\t     *\n\t     * _.isNative(_);\n\t     * // => false\n\t     */\n\t    function isNative(value) {\n\t      if (isMaskable(value)) {\n\t        throw new Error(CORE_ERROR_TEXT);\n\t      }\n\t      return baseIsNative(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `null`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNull(null);\n\t     * // => true\n\t     *\n\t     * _.isNull(void 0);\n\t     * // => false\n\t     */\n\t    function isNull(value) {\n\t      return value === null;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `null` or `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNil(null);\n\t     * // => true\n\t     *\n\t     * _.isNil(void 0);\n\t     * // => true\n\t     *\n\t     * _.isNil(NaN);\n\t     * // => false\n\t     */\n\t    function isNil(value) {\n\t      return value == null;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Number` primitive or object.\n\t     *\n\t     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n\t     * classified as numbers, use the `_.isFinite` method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNumber(3);\n\t     * // => true\n\t     *\n\t     * _.isNumber(Number.MIN_VALUE);\n\t     * // => true\n\t     *\n\t     * _.isNumber(Infinity);\n\t     * // => true\n\t     *\n\t     * _.isNumber('3');\n\t     * // => false\n\t     */\n\t    function isNumber(value) {\n\t      return typeof value == 'number' ||\n\t        (isObjectLike(value) && baseGetTag(value) == numberTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a plain object, that is, an object created by the\n\t     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.8.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * _.isPlainObject(new Foo);\n\t     * // => false\n\t     *\n\t     * _.isPlainObject([1, 2, 3]);\n\t     * // => false\n\t     *\n\t     * _.isPlainObject({ 'x': 0, 'y': 0 });\n\t     * // => true\n\t     *\n\t     * _.isPlainObject(Object.create(null));\n\t     * // => true\n\t     */\n\t    function isPlainObject(value) {\n\t      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n\t        return false;\n\t      }\n\t      var proto = getPrototype(value);\n\t      if (proto === null) {\n\t        return true;\n\t      }\n\t      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n\t      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n\t        funcToString.call(Ctor) == objectCtorString;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `RegExp` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n\t     * @example\n\t     *\n\t     * _.isRegExp(/abc/);\n\t     * // => true\n\t     *\n\t     * _.isRegExp('/abc/');\n\t     * // => false\n\t     */\n\t    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\t\n\t    /**\n\t     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n\t     * double precision number which isn't the result of a rounded unsafe integer.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSafeInteger(3);\n\t     * // => true\n\t     *\n\t     * _.isSafeInteger(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isSafeInteger(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isSafeInteger('3');\n\t     * // => false\n\t     */\n\t    function isSafeInteger(value) {\n\t      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Set` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSet(new Set);\n\t     * // => true\n\t     *\n\t     * _.isSet(new WeakSet);\n\t     * // => false\n\t     */\n\t    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `String` primitive or object.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n\t     * @example\n\t     *\n\t     * _.isString('abc');\n\t     * // => true\n\t     *\n\t     * _.isString(1);\n\t     * // => false\n\t     */\n\t    function isString(value) {\n\t      return typeof value == 'string' ||\n\t        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Symbol` primitive or object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSymbol(Symbol.iterator);\n\t     * // => true\n\t     *\n\t     * _.isSymbol('abc');\n\t     * // => false\n\t     */\n\t    function isSymbol(value) {\n\t      return typeof value == 'symbol' ||\n\t        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a typed array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n\t     * @example\n\t     *\n\t     * _.isTypedArray(new Uint8Array);\n\t     * // => true\n\t     *\n\t     * _.isTypedArray([]);\n\t     * // => false\n\t     */\n\t    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\t\n\t    /**\n\t     * Checks if `value` is `undefined`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isUndefined(void 0);\n\t     * // => true\n\t     *\n\t     * _.isUndefined(null);\n\t     * // => false\n\t     */\n\t    function isUndefined(value) {\n\t      return value === undefined;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `WeakMap` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n\t     * @example\n\t     *\n\t     * _.isWeakMap(new WeakMap);\n\t     * // => true\n\t     *\n\t     * _.isWeakMap(new Map);\n\t     * // => false\n\t     */\n\t    function isWeakMap(value) {\n\t      return isObjectLike(value) && getTag(value) == weakMapTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `WeakSet` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n\t     * @example\n\t     *\n\t     * _.isWeakSet(new WeakSet);\n\t     * // => true\n\t     *\n\t     * _.isWeakSet(new Set);\n\t     * // => false\n\t     */\n\t    function isWeakSet(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is less than `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t     *  else `false`.\n\t     * @see _.gt\n\t     * @example\n\t     *\n\t     * _.lt(1, 3);\n\t     * // => true\n\t     *\n\t     * _.lt(3, 3);\n\t     * // => false\n\t     *\n\t     * _.lt(3, 1);\n\t     * // => false\n\t     */\n\t    var lt = createRelationalOperation(baseLt);\n\t\n\t    /**\n\t     * Checks if `value` is less than or equal to `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than or equal to\n\t     *  `other`, else `false`.\n\t     * @see _.gte\n\t     * @example\n\t     *\n\t     * _.lte(1, 3);\n\t     * // => true\n\t     *\n\t     * _.lte(3, 3);\n\t     * // => true\n\t     *\n\t     * _.lte(3, 1);\n\t     * // => false\n\t     */\n\t    var lte = createRelationalOperation(function(value, other) {\n\t      return value <= other;\n\t    });\n\t\n\t    /**\n\t     * Converts `value` to an array.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {Array} Returns the converted array.\n\t     * @example\n\t     *\n\t     * _.toArray({ 'a': 1, 'b': 2 });\n\t     * // => [1, 2]\n\t     *\n\t     * _.toArray('abc');\n\t     * // => ['a', 'b', 'c']\n\t     *\n\t     * _.toArray(1);\n\t     * // => []\n\t     *\n\t     * _.toArray(null);\n\t     * // => []\n\t     */\n\t    function toArray(value) {\n\t      if (!value) {\n\t        return [];\n\t      }\n\t      if (isArrayLike(value)) {\n\t        return isString(value) ? stringToArray(value) : copyArray(value);\n\t      }\n\t      if (symIterator && value[symIterator]) {\n\t        return iteratorToArray(value[symIterator]());\n\t      }\n\t      var tag = getTag(value),\n\t          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\t\n\t      return func(value);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a finite number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.12.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted number.\n\t     * @example\n\t     *\n\t     * _.toFinite(3.2);\n\t     * // => 3.2\n\t     *\n\t     * _.toFinite(Number.MIN_VALUE);\n\t     * // => 5e-324\n\t     *\n\t     * _.toFinite(Infinity);\n\t     * // => 1.7976931348623157e+308\n\t     *\n\t     * _.toFinite('3.2');\n\t     * // => 3.2\n\t     */\n\t    function toFinite(value) {\n\t      if (!value) {\n\t        return value === 0 ? value : 0;\n\t      }\n\t      value = toNumber(value);\n\t      if (value === INFINITY || value === -INFINITY) {\n\t        var sign = (value < 0 ? -1 : 1);\n\t        return sign * MAX_INTEGER;\n\t      }\n\t      return value === value ? value : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to an integer.\n\t     *\n\t     * **Note:** This method is loosely based on\n\t     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toInteger(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toInteger(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toInteger(Infinity);\n\t     * // => 1.7976931348623157e+308\n\t     *\n\t     * _.toInteger('3.2');\n\t     * // => 3\n\t     */\n\t    function toInteger(value) {\n\t      var result = toFinite(value),\n\t          remainder = result % 1;\n\t\n\t      return result === result ? (remainder ? result - remainder : result) : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to an integer suitable for use as the length of an\n\t     * array-like object.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toLength(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toLength(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toLength(Infinity);\n\t     * // => 4294967295\n\t     *\n\t     * _.toLength('3.2');\n\t     * // => 3\n\t     */\n\t    function toLength(value) {\n\t      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to process.\n\t     * @returns {number} Returns the number.\n\t     * @example\n\t     *\n\t     * _.toNumber(3.2);\n\t     * // => 3.2\n\t     *\n\t     * _.toNumber(Number.MIN_VALUE);\n\t     * // => 5e-324\n\t     *\n\t     * _.toNumber(Infinity);\n\t     * // => Infinity\n\t     *\n\t     * _.toNumber('3.2');\n\t     * // => 3.2\n\t     */\n\t    function toNumber(value) {\n\t      if (typeof value == 'number') {\n\t        return value;\n\t      }\n\t      if (isSymbol(value)) {\n\t        return NAN;\n\t      }\n\t      if (isObject(value)) {\n\t        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n\t        value = isObject(other) ? (other + '') : other;\n\t      }\n\t      if (typeof value != 'string') {\n\t        return value === 0 ? value : +value;\n\t      }\n\t      value = value.replace(reTrim, '');\n\t      var isBinary = reIsBinary.test(value);\n\t      return (isBinary || reIsOctal.test(value))\n\t        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n\t        : (reIsBadHex.test(value) ? NAN : +value);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a plain object flattening inherited enumerable string\n\t     * keyed properties of `value` to own properties of the plain object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {Object} Returns the converted plain object.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.assign({ 'a': 1 }, new Foo);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     *\n\t     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n\t     * // => { 'a': 1, 'b': 2, 'c': 3 }\n\t     */\n\t    function toPlainObject(value) {\n\t      return copyObject(value, keysIn(value));\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a safe integer. A safe integer can be compared and\n\t     * represented correctly.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toSafeInteger(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toSafeInteger(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toSafeInteger(Infinity);\n\t     * // => 9007199254740991\n\t     *\n\t     * _.toSafeInteger('3.2');\n\t     * // => 3\n\t     */\n\t    function toSafeInteger(value) {\n\t      return value\n\t        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n\t        : (value === 0 ? value : 0);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a string. An empty string is returned for `null`\n\t     * and `undefined` values. The sign of `-0` is preserved.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.toString(null);\n\t     * // => ''\n\t     *\n\t     * _.toString(-0);\n\t     * // => '-0'\n\t     *\n\t     * _.toString([1, 2, 3]);\n\t     * // => '1,2,3'\n\t     */\n\t    function toString(value) {\n\t      return value == null ? '' : baseToString(value);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Assigns own enumerable string keyed properties of source objects to the\n\t     * destination object. Source objects are applied from left to right.\n\t     * Subsequent sources overwrite property assignments of previous sources.\n\t     *\n\t     * **Note:** This method mutates `object` and is loosely based on\n\t     * [`Object.assign`](https://mdn.io/Object/assign).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.10.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * function Bar() {\n\t     *   this.c = 3;\n\t     * }\n\t     *\n\t     * Foo.prototype.b = 2;\n\t     * Bar.prototype.d = 4;\n\t     *\n\t     * _.assign({ 'a': 0 }, new Foo, new Bar);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    var assign = createAssigner(function(object, source) {\n\t      if (isPrototype(source) || isArrayLike(source)) {\n\t        copyObject(source, keys(source), object);\n\t        return;\n\t      }\n\t      for (var key in source) {\n\t        if (hasOwnProperty.call(source, key)) {\n\t          assignValue(object, key, source[key]);\n\t        }\n\t      }\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it iterates over own and\n\t     * inherited source properties.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias extend\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assign\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * function Bar() {\n\t     *   this.c = 3;\n\t     * }\n\t     *\n\t     * Foo.prototype.b = 2;\n\t     * Bar.prototype.d = 4;\n\t     *\n\t     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n\t     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n\t     */\n\t    var assignIn = createAssigner(function(object, source) {\n\t      copyObject(source, keysIn(source), object);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assignIn` except that it accepts `customizer`\n\t     * which is invoked to produce the assigned values. If `customizer` returns\n\t     * `undefined`, assignment is handled by the method instead. The `customizer`\n\t     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias extendWith\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignWith\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   return _.isUndefined(objValue) ? srcValue : objValue;\n\t     * }\n\t     *\n\t     * var defaults = _.partialRight(_.assignInWith, customizer);\n\t     *\n\t     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      copyObject(source, keysIn(source), object, customizer);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it accepts `customizer`\n\t     * which is invoked to produce the assigned values. If `customizer` returns\n\t     * `undefined`, assignment is handled by the method instead. The `customizer`\n\t     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignInWith\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   return _.isUndefined(objValue) ? srcValue : objValue;\n\t     * }\n\t     *\n\t     * var defaults = _.partialRight(_.assignWith, customizer);\n\t     *\n\t     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      copyObject(source, keys(source), object, customizer);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of values corresponding to `paths` of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Array} Returns the picked values.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t     *\n\t     * _.at(object, ['a[0].b.c', 'a[1]']);\n\t     * // => [3, 4]\n\t     */\n\t    var at = flatRest(baseAt);\n\t\n\t    /**\n\t     * Creates an object that inherits from the `prototype` object. If a\n\t     * `properties` object is given, its own enumerable string keyed properties\n\t     * are assigned to the created object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.3.0\n\t     * @category Object\n\t     * @param {Object} prototype The object to inherit from.\n\t     * @param {Object} [properties] The properties to assign to the object.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * function Shape() {\n\t     *   this.x = 0;\n\t     *   this.y = 0;\n\t     * }\n\t     *\n\t     * function Circle() {\n\t     *   Shape.call(this);\n\t     * }\n\t     *\n\t     * Circle.prototype = _.create(Shape.prototype, {\n\t     *   'constructor': Circle\n\t     * });\n\t     *\n\t     * var circle = new Circle;\n\t     * circle instanceof Circle;\n\t     * // => true\n\t     *\n\t     * circle instanceof Shape;\n\t     * // => true\n\t     */\n\t    function create(prototype, properties) {\n\t      var result = baseCreate(prototype);\n\t      return properties == null ? result : baseAssign(result, properties);\n\t    }\n\t\n\t    /**\n\t     * Assigns own and inherited enumerable string keyed properties of source\n\t     * objects to the destination object for all destination properties that\n\t     * resolve to `undefined`. Source objects are applied from left to right.\n\t     * Once a property is set, additional values of the same property are ignored.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.defaultsDeep\n\t     * @example\n\t     *\n\t     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var defaults = baseRest(function(args) {\n\t      args.push(undefined, customDefaultsAssignIn);\n\t      return apply(assignInWith, undefined, args);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.defaults` except that it recursively assigns\n\t     * default properties.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.defaults\n\t     * @example\n\t     *\n\t     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n\t     * // => { 'a': { 'b': 2, 'c': 3 } }\n\t     */\n\t    var defaultsDeep = baseRest(function(args) {\n\t      args.push(undefined, customDefaultsMerge);\n\t      return apply(mergeWith, undefined, args);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.find` except that it returns the key of the first\n\t     * element `predicate` returns truthy for instead of the element itself.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {string|undefined} Returns the key of the matched element,\n\t     *  else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'barney':  { 'age': 36, 'active': true },\n\t     *   'fred':    { 'age': 40, 'active': false },\n\t     *   'pebbles': { 'age': 1,  'active': true }\n\t     * };\n\t     *\n\t     * _.findKey(users, function(o) { return o.age < 40; });\n\t     * // => 'barney' (iteration order is not guaranteed)\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findKey(users, { 'age': 1, 'active': true });\n\t     * // => 'pebbles'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findKey(users, ['active', false]);\n\t     * // => 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findKey(users, 'active');\n\t     * // => 'barney'\n\t     */\n\t    function findKey(object, predicate) {\n\t      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.findKey` except that it iterates over elements of\n\t     * a collection in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {string|undefined} Returns the key of the matched element,\n\t     *  else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'barney':  { 'age': 36, 'active': true },\n\t     *   'fred':    { 'age': 40, 'active': false },\n\t     *   'pebbles': { 'age': 1,  'active': true }\n\t     * };\n\t     *\n\t     * _.findLastKey(users, function(o) { return o.age < 40; });\n\t     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findLastKey(users, { 'age': 36, 'active': true });\n\t     * // => 'barney'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findLastKey(users, ['active', false]);\n\t     * // => 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findLastKey(users, 'active');\n\t     * // => 'pebbles'\n\t     */\n\t    function findLastKey(object, predicate) {\n\t      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n\t    }\n\t\n\t    /**\n\t     * Iterates over own and inherited enumerable string keyed properties of an\n\t     * object and invokes `iteratee` for each property. The iteratee is invoked\n\t     * with three arguments: (value, key, object). Iteratee functions may exit\n\t     * iteration early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forInRight\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forIn(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n\t     */\n\t    function forIn(object, iteratee) {\n\t      return object == null\n\t        ? object\n\t        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forIn` except that it iterates over properties of\n\t     * `object` in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forInRight(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n\t     */\n\t    function forInRight(object, iteratee) {\n\t      return object == null\n\t        ? object\n\t        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n\t    }\n\t\n\t    /**\n\t     * Iterates over own enumerable string keyed properties of an object and\n\t     * invokes `iteratee` for each property. The iteratee is invoked with three\n\t     * arguments: (value, key, object). Iteratee functions may exit iteration\n\t     * early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forOwnRight\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forOwn(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t     */\n\t    function forOwn(object, iteratee) {\n\t      return object && baseForOwn(object, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forOwn` except that it iterates over properties of\n\t     * `object` in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forOwn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forOwnRight(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n\t     */\n\t    function forOwnRight(object, iteratee) {\n\t      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of function property names from own enumerable properties\n\t     * of `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @returns {Array} Returns the function names.\n\t     * @see _.functionsIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = _.constant('a');\n\t     *   this.b = _.constant('b');\n\t     * }\n\t     *\n\t     * Foo.prototype.c = _.constant('c');\n\t     *\n\t     * _.functions(new Foo);\n\t     * // => ['a', 'b']\n\t     */\n\t    function functions(object) {\n\t      return object == null ? [] : baseFunctions(object, keys(object));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of function property names from own and inherited\n\t     * enumerable properties of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @returns {Array} Returns the function names.\n\t     * @see _.functions\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = _.constant('a');\n\t     *   this.b = _.constant('b');\n\t     * }\n\t     *\n\t     * Foo.prototype.c = _.constant('c');\n\t     *\n\t     * _.functionsIn(new Foo);\n\t     * // => ['a', 'b', 'c']\n\t     */\n\t    function functionsIn(object) {\n\t      return object == null ? [] : baseFunctions(object, keysIn(object));\n\t    }\n\t\n\t    /**\n\t     * Gets the value at `path` of `object`. If the resolved value is\n\t     * `undefined`, the `defaultValue` is returned in its place.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.get(object, 'a[0].b.c');\n\t     * // => 3\n\t     *\n\t     * _.get(object, ['a', '0', 'b', 'c']);\n\t     * // => 3\n\t     *\n\t     * _.get(object, 'a.b.c', 'default');\n\t     * // => 'default'\n\t     */\n\t    function get(object, path, defaultValue) {\n\t      var result = object == null ? undefined : baseGet(object, path);\n\t      return result === undefined ? defaultValue : result;\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` is a direct property of `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': { 'b': 2 } };\n\t     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n\t     *\n\t     * _.has(object, 'a');\n\t     * // => true\n\t     *\n\t     * _.has(object, 'a.b');\n\t     * // => true\n\t     *\n\t     * _.has(object, ['a', 'b']);\n\t     * // => true\n\t     *\n\t     * _.has(other, 'a');\n\t     * // => false\n\t     */\n\t    function has(object, path) {\n\t      return object != null && hasPath(object, path, baseHas);\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` is a direct or inherited property of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     * @example\n\t     *\n\t     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n\t     *\n\t     * _.hasIn(object, 'a');\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, 'a.b');\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, ['a', 'b']);\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, 'b');\n\t     * // => false\n\t     */\n\t    function hasIn(object, path) {\n\t      return object != null && hasPath(object, path, baseHasIn);\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of the inverted keys and values of `object`.\n\t     * If `object` contains duplicate values, subsequent values overwrite\n\t     * property assignments of previous values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to invert.\n\t     * @returns {Object} Returns the new inverted object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t     *\n\t     * _.invert(object);\n\t     * // => { '1': 'c', '2': 'b' }\n\t     */\n\t    var invert = createInverter(function(result, value, key) {\n\t      result[value] = key;\n\t    }, constant(identity));\n\t\n\t    /**\n\t     * This method is like `_.invert` except that the inverted object is generated\n\t     * from the results of running each element of `object` thru `iteratee`. The\n\t     * corresponding inverted value of each inverted key is an array of keys\n\t     * responsible for generating the inverted value. The iteratee is invoked\n\t     * with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.1.0\n\t     * @category Object\n\t     * @param {Object} object The object to invert.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Object} Returns the new inverted object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t     *\n\t     * _.invertBy(object);\n\t     * // => { '1': ['a', 'c'], '2': ['b'] }\n\t     *\n\t     * _.invertBy(object, function(value) {\n\t     *   return 'group' + value;\n\t     * });\n\t     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n\t     */\n\t    var invertBy = createInverter(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, value)) {\n\t        result[value].push(key);\n\t      } else {\n\t        result[value] = [key];\n\t      }\n\t    }, getIteratee);\n\t\n\t    /**\n\t     * Invokes the method at `path` of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {*} Returns the result of the invoked method.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n\t     *\n\t     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n\t     * // => [2, 3]\n\t     */\n\t    var invoke = baseRest(baseInvoke);\n\t\n\t    /**\n\t     * Creates an array of the own enumerable property names of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects. See the\n\t     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n\t     * for more details.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.keys(new Foo);\n\t     * // => ['a', 'b'] (iteration order is not guaranteed)\n\t     *\n\t     * _.keys('hi');\n\t     * // => ['0', '1']\n\t     */\n\t    function keys(object) {\n\t      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable property names of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.keysIn(new Foo);\n\t     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n\t     */\n\t    function keysIn(object) {\n\t      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.mapValues`; this method creates an object with the\n\t     * same values as `object` and keys generated by running each own enumerable\n\t     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n\t     * with three arguments: (value, key, object).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns the new mapped object.\n\t     * @see _.mapValues\n\t     * @example\n\t     *\n\t     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n\t     *   return key + value;\n\t     * });\n\t     * // => { 'a1': 1, 'b2': 2 }\n\t     */\n\t    function mapKeys(object, iteratee) {\n\t      var result = {};\n\t      iteratee = getIteratee(iteratee, 3);\n\t\n\t      baseForOwn(object, function(value, key, object) {\n\t        baseAssignValue(result, iteratee(value, key, object), value);\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an object with the same keys as `object` and values generated\n\t     * by running each own enumerable string keyed property of `object` thru\n\t     * `iteratee`. The iteratee is invoked with three arguments:\n\t     * (value, key, object).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns the new mapped object.\n\t     * @see _.mapKeys\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'fred':    { 'user': 'fred',    'age': 40 },\n\t     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n\t     * };\n\t     *\n\t     * _.mapValues(users, function(o) { return o.age; });\n\t     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.mapValues(users, 'age');\n\t     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t     */\n\t    function mapValues(object, iteratee) {\n\t      var result = {};\n\t      iteratee = getIteratee(iteratee, 3);\n\t\n\t      baseForOwn(object, function(value, key, object) {\n\t        baseAssignValue(result, key, iteratee(value, key, object));\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it recursively merges own and\n\t     * inherited enumerable string keyed properties of source objects into the\n\t     * destination object. Source properties that resolve to `undefined` are\n\t     * skipped if a destination value exists. Array and plain object properties\n\t     * are merged recursively. Other objects and value types are overridden by\n\t     * assignment. Source objects are applied from left to right. Subsequent\n\t     * sources overwrite property assignments of previous sources.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {\n\t     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n\t     * };\n\t     *\n\t     * var other = {\n\t     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n\t     * };\n\t     *\n\t     * _.merge(object, other);\n\t     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n\t     */\n\t    var merge = createAssigner(function(object, source, srcIndex) {\n\t      baseMerge(object, source, srcIndex);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.merge` except that it accepts `customizer` which\n\t     * is invoked to produce the merged values of the destination and source\n\t     * properties. If `customizer` returns `undefined`, merging is handled by the\n\t     * method instead. The `customizer` is invoked with six arguments:\n\t     * (objValue, srcValue, key, object, source, stack).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} customizer The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   if (_.isArray(objValue)) {\n\t     *     return objValue.concat(srcValue);\n\t     *   }\n\t     * }\n\t     *\n\t     * var object = { 'a': [1], 'b': [2] };\n\t     * var other = { 'a': [3], 'b': [4] };\n\t     *\n\t     * _.mergeWith(object, other, customizer);\n\t     * // => { 'a': [1, 3], 'b': [2, 4] }\n\t     */\n\t    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      baseMerge(object, source, srcIndex, customizer);\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.pick`; this method creates an object composed of the\n\t     * own and inherited enumerable property paths of `object` that are not omitted.\n\t     *\n\t     * **Note:** This method is considerably slower than `_.pick`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {...(string|string[])} [paths] The property paths to omit.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.omit(object, ['a', 'c']);\n\t     * // => { 'b': '2' }\n\t     */\n\t    var omit = flatRest(function(object, paths) {\n\t      var result = {};\n\t      if (object == null) {\n\t        return result;\n\t      }\n\t      var isDeep = false;\n\t      paths = arrayMap(paths, function(path) {\n\t        path = castPath(path, object);\n\t        isDeep || (isDeep = path.length > 1);\n\t        return path;\n\t      });\n\t      copyObject(object, getAllKeysIn(object), result);\n\t      if (isDeep) {\n\t        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n\t      }\n\t      var length = paths.length;\n\t      while (length--) {\n\t        baseUnset(result, paths[length]);\n\t      }\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.pickBy`; this method creates an object composed of\n\t     * the own and inherited enumerable string keyed properties of `object` that\n\t     * `predicate` doesn't return truthy for. The predicate is invoked with two\n\t     * arguments: (value, key).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {Function} [predicate=_.identity] The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.omitBy(object, _.isNumber);\n\t     * // => { 'b': '2' }\n\t     */\n\t    function omitBy(object, predicate) {\n\t      return pickBy(object, negate(getIteratee(predicate)));\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of the picked `object` properties.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.pick(object, ['a', 'c']);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    var pick = flatRest(function(object, paths) {\n\t      return object == null ? {} : basePick(object, paths);\n\t    });\n\t\n\t    /**\n\t     * Creates an object composed of the `object` properties `predicate` returns\n\t     * truthy for. The predicate is invoked with two arguments: (value, key).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {Function} [predicate=_.identity] The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.pickBy(object, _.isNumber);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    function pickBy(object, predicate) {\n\t      if (object == null) {\n\t        return {};\n\t      }\n\t      var props = arrayMap(getAllKeysIn(object), function(prop) {\n\t        return [prop];\n\t      });\n\t      predicate = getIteratee(predicate);\n\t      return basePickBy(object, props, function(value, path) {\n\t        return predicate(value, path[0]);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.get` except that if the resolved value is a\n\t     * function it's invoked with the `this` binding of its parent object and\n\t     * its result is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to resolve.\n\t     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n\t     *\n\t     * _.result(object, 'a[0].b.c1');\n\t     * // => 3\n\t     *\n\t     * _.result(object, 'a[0].b.c2');\n\t     * // => 4\n\t     *\n\t     * _.result(object, 'a[0].b.c3', 'default');\n\t     * // => 'default'\n\t     *\n\t     * _.result(object, 'a[0].b.c3', _.constant('default'));\n\t     * // => 'default'\n\t     */\n\t    function result(object, path, defaultValue) {\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length;\n\t\n\t      // Ensure the loop is entered when path is empty.\n\t      if (!length) {\n\t        length = 1;\n\t        object = undefined;\n\t      }\n\t      while (++index < length) {\n\t        var value = object == null ? undefined : object[toKey(path[index])];\n\t        if (value === undefined) {\n\t          index = length;\n\t          value = defaultValue;\n\t        }\n\t        object = isFunction(value) ? value.call(object) : value;\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n\t     * it's created. Arrays are created for missing index properties while objects\n\t     * are created for all other missing properties. Use `_.setWith` to customize\n\t     * `path` creation.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.set(object, 'a[0].b.c', 4);\n\t     * console.log(object.a[0].b.c);\n\t     * // => 4\n\t     *\n\t     * _.set(object, ['x', '0', 'y', 'z'], 5);\n\t     * console.log(object.x[0].y.z);\n\t     * // => 5\n\t     */\n\t    function set(object, path, value) {\n\t      return object == null ? object : baseSet(object, path, value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.set` except that it accepts `customizer` which is\n\t     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n\t     * path creation is handled by the method instead. The `customizer` is invoked\n\t     * with three arguments: (nsValue, key, nsObject).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {};\n\t     *\n\t     * _.setWith(object, '[0][1]', 'a', Object);\n\t     * // => { '0': { '1': 'a' } }\n\t     */\n\t    function setWith(object, path, value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return object == null ? object : baseSet(object, path, value, customizer);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own enumerable string keyed-value pairs for `object`\n\t     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n\t     * entries are returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias entries\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the key-value pairs.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.toPairs(new Foo);\n\t     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n\t     */\n\t    var toPairs = createToPairs(keys);\n\t\n\t    /**\n\t     * Creates an array of own and inherited enumerable string keyed-value pairs\n\t     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n\t     * or set, its entries are returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias entriesIn\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the key-value pairs.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.toPairsIn(new Foo);\n\t     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n\t     */\n\t    var toPairsIn = createToPairs(keysIn);\n\t\n\t    /**\n\t     * An alternative to `_.reduce`; this method transforms `object` to a new\n\t     * `accumulator` object which is the result of running each of its own\n\t     * enumerable string keyed properties thru `iteratee`, with each invocation\n\t     * potentially mutating the `accumulator` object. If `accumulator` is not\n\t     * provided, a new object with the same `[[Prototype]]` will be used. The\n\t     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The custom accumulator value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @example\n\t     *\n\t     * _.transform([2, 3, 4], function(result, n) {\n\t     *   result.push(n *= n);\n\t     *   return n % 2 == 0;\n\t     * }, []);\n\t     * // => [4, 9]\n\t     *\n\t     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t     *   (result[value] || (result[value] = [])).push(key);\n\t     * }, {});\n\t     * // => { '1': ['a', 'c'], '2': ['b'] }\n\t     */\n\t    function transform(object, iteratee, accumulator) {\n\t      var isArr = isArray(object),\n\t          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\t\n\t      iteratee = getIteratee(iteratee, 4);\n\t      if (accumulator == null) {\n\t        var Ctor = object && object.constructor;\n\t        if (isArrLike) {\n\t          accumulator = isArr ? new Ctor : [];\n\t        }\n\t        else if (isObject(object)) {\n\t          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n\t        }\n\t        else {\n\t          accumulator = {};\n\t        }\n\t      }\n\t      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n\t        return iteratee(accumulator, value, index, object);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * Removes the property at `path` of `object`.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to unset.\n\t     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n\t     * _.unset(object, 'a[0].b.c');\n\t     * // => true\n\t     *\n\t     * console.log(object);\n\t     * // => { 'a': [{ 'b': {} }] };\n\t     *\n\t     * _.unset(object, ['a', '0', 'b', 'c']);\n\t     * // => true\n\t     *\n\t     * console.log(object);\n\t     * // => { 'a': [{ 'b': {} }] };\n\t     */\n\t    function unset(object, path) {\n\t      return object == null ? true : baseUnset(object, path);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.set` except that accepts `updater` to produce the\n\t     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n\t     * is invoked with one argument: (value).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n\t     * console.log(object.a[0].b.c);\n\t     * // => 9\n\t     *\n\t     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n\t     * console.log(object.x[0].y.z);\n\t     * // => 0\n\t     */\n\t    function update(object, path, updater) {\n\t      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.update` except that it accepts `customizer` which is\n\t     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n\t     * path creation is handled by the method instead. The `customizer` is invoked\n\t     * with three arguments: (nsValue, key, nsObject).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {};\n\t     *\n\t     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n\t     * // => { '0': { '1': 'a' } }\n\t     */\n\t    function updateWith(object, path, updater, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own enumerable string keyed property values of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property values.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.values(new Foo);\n\t     * // => [1, 2] (iteration order is not guaranteed)\n\t     *\n\t     * _.values('hi');\n\t     * // => ['h', 'i']\n\t     */\n\t    function values(object) {\n\t      return object == null ? [] : baseValues(object, keys(object));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable string keyed property\n\t     * values of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property values.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.valuesIn(new Foo);\n\t     * // => [1, 2, 3] (iteration order is not guaranteed)\n\t     */\n\t    function valuesIn(object) {\n\t      return object == null ? [] : baseValues(object, keysIn(object));\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Number\n\t     * @param {number} number The number to clamp.\n\t     * @param {number} [lower] The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the clamped number.\n\t     * @example\n\t     *\n\t     * _.clamp(-10, -5, 5);\n\t     * // => -5\n\t     *\n\t     * _.clamp(10, -5, 5);\n\t     * // => 5\n\t     */\n\t    function clamp(number, lower, upper) {\n\t      if (upper === undefined) {\n\t        upper = lower;\n\t        lower = undefined;\n\t      }\n\t      if (upper !== undefined) {\n\t        upper = toNumber(upper);\n\t        upper = upper === upper ? upper : 0;\n\t      }\n\t      if (lower !== undefined) {\n\t        lower = toNumber(lower);\n\t        lower = lower === lower ? lower : 0;\n\t      }\n\t      return baseClamp(toNumber(number), lower, upper);\n\t    }\n\t\n\t    /**\n\t     * Checks if `n` is between `start` and up to, but not including, `end`. If\n\t     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n\t     * If `start` is greater than `end` the params are swapped to support\n\t     * negative ranges.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.3.0\n\t     * @category Number\n\t     * @param {number} number The number to check.\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t     * @see _.range, _.rangeRight\n\t     * @example\n\t     *\n\t     * _.inRange(3, 2, 4);\n\t     * // => true\n\t     *\n\t     * _.inRange(4, 8);\n\t     * // => true\n\t     *\n\t     * _.inRange(4, 2);\n\t     * // => false\n\t     *\n\t     * _.inRange(2, 2);\n\t     * // => false\n\t     *\n\t     * _.inRange(1.2, 2);\n\t     * // => true\n\t     *\n\t     * _.inRange(5.2, 4);\n\t     * // => false\n\t     *\n\t     * _.inRange(-3, -2, -6);\n\t     * // => true\n\t     */\n\t    function inRange(number, start, end) {\n\t      start = toFinite(start);\n\t      if (end === undefined) {\n\t        end = start;\n\t        start = 0;\n\t      } else {\n\t        end = toFinite(end);\n\t      }\n\t      number = toNumber(number);\n\t      return baseInRange(number, start, end);\n\t    }\n\t\n\t    /**\n\t     * Produces a random number between the inclusive `lower` and `upper` bounds.\n\t     * If only one argument is provided a number between `0` and the given number\n\t     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n\t     * floats, a floating-point number is returned instead of an integer.\n\t     *\n\t     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t     * floating-point values which can produce unexpected results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.7.0\n\t     * @category Number\n\t     * @param {number} [lower=0] The lower bound.\n\t     * @param {number} [upper=1] The upper bound.\n\t     * @param {boolean} [floating] Specify returning a floating-point number.\n\t     * @returns {number} Returns the random number.\n\t     * @example\n\t     *\n\t     * _.random(0, 5);\n\t     * // => an integer between 0 and 5\n\t     *\n\t     * _.random(5);\n\t     * // => also an integer between 0 and 5\n\t     *\n\t     * _.random(5, true);\n\t     * // => a floating-point number between 0 and 5\n\t     *\n\t     * _.random(1.2, 5.2);\n\t     * // => a floating-point number between 1.2 and 5.2\n\t     */\n\t    function random(lower, upper, floating) {\n\t      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n\t        upper = floating = undefined;\n\t      }\n\t      if (floating === undefined) {\n\t        if (typeof upper == 'boolean') {\n\t          floating = upper;\n\t          upper = undefined;\n\t        }\n\t        else if (typeof lower == 'boolean') {\n\t          floating = lower;\n\t          lower = undefined;\n\t        }\n\t      }\n\t      if (lower === undefined && upper === undefined) {\n\t        lower = 0;\n\t        upper = 1;\n\t      }\n\t      else {\n\t        lower = toFinite(lower);\n\t        if (upper === undefined) {\n\t          upper = lower;\n\t          lower = 0;\n\t        } else {\n\t          upper = toFinite(upper);\n\t        }\n\t      }\n\t      if (lower > upper) {\n\t        var temp = lower;\n\t        lower = upper;\n\t        upper = temp;\n\t      }\n\t      if (floating || lower % 1 || upper % 1) {\n\t        var rand = nativeRandom();\n\t        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n\t      }\n\t      return baseRandom(lower, upper);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the camel cased string.\n\t     * @example\n\t     *\n\t     * _.camelCase('Foo Bar');\n\t     * // => 'fooBar'\n\t     *\n\t     * _.camelCase('--foo-bar--');\n\t     * // => 'fooBar'\n\t     *\n\t     * _.camelCase('__FOO_BAR__');\n\t     * // => 'fooBar'\n\t     */\n\t    var camelCase = createCompounder(function(result, word, index) {\n\t      word = word.toLowerCase();\n\t      return result + (index ? capitalize(word) : word);\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to upper case and the remaining\n\t     * to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to capitalize.\n\t     * @returns {string} Returns the capitalized string.\n\t     * @example\n\t     *\n\t     * _.capitalize('FRED');\n\t     * // => 'Fred'\n\t     */\n\t    function capitalize(string) {\n\t      return upperFirst(toString(string).toLowerCase());\n\t    }\n\t\n\t    /**\n\t     * Deburrs `string` by converting\n\t     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n\t     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n\t     * letters to basic Latin letters and removing\n\t     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to deburr.\n\t     * @returns {string} Returns the deburred string.\n\t     * @example\n\t     *\n\t     * _.deburr('déjà vu');\n\t     * // => 'deja vu'\n\t     */\n\t    function deburr(string) {\n\t      string = toString(string);\n\t      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n\t    }\n\t\n\t    /**\n\t     * Checks if `string` ends with the given target string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {string} [target] The string to search for.\n\t     * @param {number} [position=string.length] The position to search up to.\n\t     * @returns {boolean} Returns `true` if `string` ends with `target`,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.endsWith('abc', 'c');\n\t     * // => true\n\t     *\n\t     * _.endsWith('abc', 'b');\n\t     * // => false\n\t     *\n\t     * _.endsWith('abc', 'b', 2);\n\t     * // => true\n\t     */\n\t    function endsWith(string, target, position) {\n\t      string = toString(string);\n\t      target = baseToString(target);\n\t\n\t      var length = string.length;\n\t      position = position === undefined\n\t        ? length\n\t        : baseClamp(toInteger(position), 0, length);\n\t\n\t      var end = position;\n\t      position -= target.length;\n\t      return position >= 0 && string.slice(position, end) == target;\n\t    }\n\t\n\t    /**\n\t     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n\t     * corresponding HTML entities.\n\t     *\n\t     * **Note:** No other characters are escaped. To escape additional\n\t     * characters use a third-party library like [_he_](https://mths.be/he).\n\t     *\n\t     * Though the \">\" character is escaped for symmetry, characters like\n\t     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n\t     * unless they're part of a tag or unquoted attribute value. See\n\t     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n\t     * (under \"semi-related fun fact\") for more details.\n\t     *\n\t     * When working with HTML you should always\n\t     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n\t     * XSS vectors.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category String\n\t     * @param {string} [string=''] The string to escape.\n\t     * @returns {string} Returns the escaped string.\n\t     * @example\n\t     *\n\t     * _.escape('fred, barney, & pebbles');\n\t     * // => 'fred, barney, &amp; pebbles'\n\t     */\n\t    function escape(string) {\n\t      string = toString(string);\n\t      return (string && reHasUnescapedHtml.test(string))\n\t        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n\t     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to escape.\n\t     * @returns {string} Returns the escaped string.\n\t     * @example\n\t     *\n\t     * _.escapeRegExp('[lodash](https://lodash.com/)');\n\t     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n\t     */\n\t    function escapeRegExp(string) {\n\t      string = toString(string);\n\t      return (string && reHasRegExpChar.test(string))\n\t        ? string.replace(reRegExpChar, '\\\\$&')\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the kebab cased string.\n\t     * @example\n\t     *\n\t     * _.kebabCase('Foo Bar');\n\t     * // => 'foo-bar'\n\t     *\n\t     * _.kebabCase('fooBar');\n\t     * // => 'foo-bar'\n\t     *\n\t     * _.kebabCase('__FOO_BAR__');\n\t     * // => 'foo-bar'\n\t     */\n\t    var kebabCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? '-' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Converts `string`, as space separated words, to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the lower cased string.\n\t     * @example\n\t     *\n\t     * _.lowerCase('--Foo-Bar--');\n\t     * // => 'foo bar'\n\t     *\n\t     * _.lowerCase('fooBar');\n\t     * // => 'foo bar'\n\t     *\n\t     * _.lowerCase('__FOO_BAR__');\n\t     * // => 'foo bar'\n\t     */\n\t    var lowerCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.lowerFirst('Fred');\n\t     * // => 'fred'\n\t     *\n\t     * _.lowerFirst('FRED');\n\t     * // => 'fRED'\n\t     */\n\t    var lowerFirst = createCaseFirst('toLowerCase');\n\t\n\t    /**\n\t     * Pads `string` on the left and right sides if it's shorter than `length`.\n\t     * Padding characters are truncated if they can't be evenly divided by `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.pad('abc', 8);\n\t     * // => '  abc   '\n\t     *\n\t     * _.pad('abc', 8, '_-');\n\t     * // => '_-abc_-_'\n\t     *\n\t     * _.pad('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function pad(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      if (!length || strLength >= length) {\n\t        return string;\n\t      }\n\t      var mid = (length - strLength) / 2;\n\t      return (\n\t        createPadding(nativeFloor(mid), chars) +\n\t        string +\n\t        createPadding(nativeCeil(mid), chars)\n\t      );\n\t    }\n\t\n\t    /**\n\t     * Pads `string` on the right side if it's shorter than `length`. Padding\n\t     * characters are truncated if they exceed `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.padEnd('abc', 6);\n\t     * // => 'abc   '\n\t     *\n\t     * _.padEnd('abc', 6, '_-');\n\t     * // => 'abc_-_'\n\t     *\n\t     * _.padEnd('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function padEnd(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      return (length && strLength < length)\n\t        ? (string + createPadding(length - strLength, chars))\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Pads `string` on the left side if it's shorter than `length`. Padding\n\t     * characters are truncated if they exceed `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.padStart('abc', 6);\n\t     * // => '   abc'\n\t     *\n\t     * _.padStart('abc', 6, '_-');\n\t     * // => '_-_abc'\n\t     *\n\t     * _.padStart('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function padStart(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      return (length && strLength < length)\n\t        ? (createPadding(length - strLength, chars) + string)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to an integer of the specified radix. If `radix` is\n\t     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n\t     * hexadecimal, in which case a `radix` of `16` is used.\n\t     *\n\t     * **Note:** This method aligns with the\n\t     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category String\n\t     * @param {string} string The string to convert.\n\t     * @param {number} [radix=10] The radix to interpret `value` by.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.parseInt('08');\n\t     * // => 8\n\t     *\n\t     * _.map(['6', '08', '10'], _.parseInt);\n\t     * // => [6, 8, 10]\n\t     */\n\t    function parseInt(string, radix, guard) {\n\t      if (guard || radix == null) {\n\t        radix = 0;\n\t      } else if (radix) {\n\t        radix = +radix;\n\t      }\n\t      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n\t    }\n\t\n\t    /**\n\t     * Repeats the given string `n` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to repeat.\n\t     * @param {number} [n=1] The number of times to repeat the string.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the repeated string.\n\t     * @example\n\t     *\n\t     * _.repeat('*', 3);\n\t     * // => '***'\n\t     *\n\t     * _.repeat('abc', 2);\n\t     * // => 'abcabc'\n\t     *\n\t     * _.repeat('abc', 0);\n\t     * // => ''\n\t     */\n\t    function repeat(string, n, guard) {\n\t      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n\t        n = 1;\n\t      } else {\n\t        n = toInteger(n);\n\t      }\n\t      return baseRepeat(toString(string), n);\n\t    }\n\t\n\t    /**\n\t     * Replaces matches for `pattern` in `string` with `replacement`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`String#replace`](https://mdn.io/String/replace).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to modify.\n\t     * @param {RegExp|string} pattern The pattern to replace.\n\t     * @param {Function|string} replacement The match replacement.\n\t     * @returns {string} Returns the modified string.\n\t     * @example\n\t     *\n\t     * _.replace('Hi Fred', 'Fred', 'Barney');\n\t     * // => 'Hi Barney'\n\t     */\n\t    function replace() {\n\t      var args = arguments,\n\t          string = toString(args[0]);\n\t\n\t      return args.length < 3 ? string : string.replace(args[1], args[2]);\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the snake cased string.\n\t     * @example\n\t     *\n\t     * _.snakeCase('Foo Bar');\n\t     * // => 'foo_bar'\n\t     *\n\t     * _.snakeCase('fooBar');\n\t     * // => 'foo_bar'\n\t     *\n\t     * _.snakeCase('--FOO-BAR--');\n\t     * // => 'foo_bar'\n\t     */\n\t    var snakeCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? '_' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Splits `string` by `separator`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`String#split`](https://mdn.io/String/split).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to split.\n\t     * @param {RegExp|string} separator The separator pattern to split by.\n\t     * @param {number} [limit] The length to truncate results to.\n\t     * @returns {Array} Returns the string segments.\n\t     * @example\n\t     *\n\t     * _.split('a-b-c', '-', 2);\n\t     * // => ['a', 'b']\n\t     */\n\t    function split(string, separator, limit) {\n\t      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n\t        separator = limit = undefined;\n\t      }\n\t      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n\t      if (!limit) {\n\t        return [];\n\t      }\n\t      string = toString(string);\n\t      if (string && (\n\t            typeof separator == 'string' ||\n\t            (separator != null && !isRegExp(separator))\n\t          )) {\n\t        separator = baseToString(separator);\n\t        if (!separator && hasUnicode(string)) {\n\t          return castSlice(stringToArray(string), 0, limit);\n\t        }\n\t      }\n\t      return string.split(separator, limit);\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.1.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the start cased string.\n\t     * @example\n\t     *\n\t     * _.startCase('--foo-bar--');\n\t     * // => 'Foo Bar'\n\t     *\n\t     * _.startCase('fooBar');\n\t     * // => 'Foo Bar'\n\t     *\n\t     * _.startCase('__FOO_BAR__');\n\t     * // => 'FOO BAR'\n\t     */\n\t    var startCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + upperFirst(word);\n\t    });\n\t\n\t    /**\n\t     * Checks if `string` starts with the given target string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {string} [target] The string to search for.\n\t     * @param {number} [position=0] The position to search from.\n\t     * @returns {boolean} Returns `true` if `string` starts with `target`,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.startsWith('abc', 'a');\n\t     * // => true\n\t     *\n\t     * _.startsWith('abc', 'b');\n\t     * // => false\n\t     *\n\t     * _.startsWith('abc', 'b', 1);\n\t     * // => true\n\t     */\n\t    function startsWith(string, target, position) {\n\t      string = toString(string);\n\t      position = position == null\n\t        ? 0\n\t        : baseClamp(toInteger(position), 0, string.length);\n\t\n\t      target = baseToString(target);\n\t      return string.slice(position, position + target.length) == target;\n\t    }\n\t\n\t    /**\n\t     * Creates a compiled template function that can interpolate data properties\n\t     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n\t     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n\t     * properties may be accessed as free variables in the template. If a setting\n\t     * object is given, it takes precedence over `_.templateSettings` values.\n\t     *\n\t     * **Note:** In the development build `_.template` utilizes\n\t     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n\t     * for easier debugging.\n\t     *\n\t     * For more information on precompiling templates see\n\t     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n\t     *\n\t     * For more information on Chrome extension sandboxes see\n\t     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category String\n\t     * @param {string} [string=''] The template string.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {RegExp} [options.escape=_.templateSettings.escape]\n\t     *  The HTML \"escape\" delimiter.\n\t     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n\t     *  The \"evaluate\" delimiter.\n\t     * @param {Object} [options.imports=_.templateSettings.imports]\n\t     *  An object to import into the template as free variables.\n\t     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n\t     *  The \"interpolate\" delimiter.\n\t     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n\t     *  The sourceURL of the compiled template.\n\t     * @param {string} [options.variable='obj']\n\t     *  The data object variable name.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the compiled template function.\n\t     * @example\n\t     *\n\t     * // Use the \"interpolate\" delimiter to create a compiled template.\n\t     * var compiled = _.template('hello <%= user %>!');\n\t     * compiled({ 'user': 'fred' });\n\t     * // => 'hello fred!'\n\t     *\n\t     * // Use the HTML \"escape\" delimiter to escape data property values.\n\t     * var compiled = _.template('<b><%- value %></b>');\n\t     * compiled({ 'value': '<script>' });\n\t     * // => '<b>&lt;script&gt;</b>'\n\t     *\n\t     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n\t     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n\t     * compiled({ 'users': ['fred', 'barney'] });\n\t     * // => '<li>fred</li><li>barney</li>'\n\t     *\n\t     * // Use the internal `print` function in \"evaluate\" delimiters.\n\t     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n\t     * compiled({ 'user': 'barney' });\n\t     * // => 'hello barney!'\n\t     *\n\t     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n\t     * // Disable support by replacing the \"interpolate\" delimiter.\n\t     * var compiled = _.template('hello ${ user }!');\n\t     * compiled({ 'user': 'pebbles' });\n\t     * // => 'hello pebbles!'\n\t     *\n\t     * // Use backslashes to treat delimiters as plain text.\n\t     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n\t     * compiled({ 'value': 'ignored' });\n\t     * // => '<%- value %>'\n\t     *\n\t     * // Use the `imports` option to import `jQuery` as `jq`.\n\t     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n\t     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n\t     * compiled({ 'users': ['fred', 'barney'] });\n\t     * // => '<li>fred</li><li>barney</li>'\n\t     *\n\t     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n\t     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n\t     * compiled(data);\n\t     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n\t     *\n\t     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n\t     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n\t     * compiled.source;\n\t     * // => function(data) {\n\t     * //   var __t, __p = '';\n\t     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n\t     * //   return __p;\n\t     * // }\n\t     *\n\t     * // Use custom template delimiters.\n\t     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n\t     * var compiled = _.template('hello {{ user }}!');\n\t     * compiled({ 'user': 'mustache' });\n\t     * // => 'hello mustache!'\n\t     *\n\t     * // Use the `source` property to inline compiled templates for meaningful\n\t     * // line numbers in error messages and stack traces.\n\t     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n\t     *   var JST = {\\\n\t     *     \"main\": ' + _.template(mainText).source + '\\\n\t     *   };\\\n\t     * ');\n\t     */\n\t    function template(string, options, guard) {\n\t      // Based on John Resig's `tmpl` implementation\n\t      // (http://ejohn.org/blog/javascript-micro-templating/)\n\t      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n\t      var settings = lodash.templateSettings;\n\t\n\t      if (guard && isIterateeCall(string, options, guard)) {\n\t        options = undefined;\n\t      }\n\t      string = toString(string);\n\t      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\t\n\t      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n\t          importsKeys = keys(imports),\n\t          importsValues = baseValues(imports, importsKeys);\n\t\n\t      var isEscaping,\n\t          isEvaluating,\n\t          index = 0,\n\t          interpolate = options.interpolate || reNoMatch,\n\t          source = \"__p += '\";\n\t\n\t      // Compile the regexp to match each delimiter.\n\t      var reDelimiters = RegExp(\n\t        (options.escape || reNoMatch).source + '|' +\n\t        interpolate.source + '|' +\n\t        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n\t        (options.evaluate || reNoMatch).source + '|$'\n\t      , 'g');\n\t\n\t      // Use a sourceURL for easier debugging.\n\t      var sourceURL = '//# sourceURL=' +\n\t        ('sourceURL' in options\n\t          ? options.sourceURL\n\t          : ('lodash.templateSources[' + (++templateCounter) + ']')\n\t        ) + '\\n';\n\t\n\t      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n\t        interpolateValue || (interpolateValue = esTemplateValue);\n\t\n\t        // Escape characters that can't be included in string literals.\n\t        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\t\n\t        // Replace delimiters with snippets.\n\t        if (escapeValue) {\n\t          isEscaping = true;\n\t          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n\t        }\n\t        if (evaluateValue) {\n\t          isEvaluating = true;\n\t          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n\t        }\n\t        if (interpolateValue) {\n\t          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n\t        }\n\t        index = offset + match.length;\n\t\n\t        // The JS engine embedded in Adobe products needs `match` returned in\n\t        // order to produce the correct `offset` value.\n\t        return match;\n\t      });\n\t\n\t      source += \"';\\n\";\n\t\n\t      // If `variable` is not specified wrap a with-statement around the generated\n\t      // code to add the data object to the top of the scope chain.\n\t      var variable = options.variable;\n\t      if (!variable) {\n\t        source = 'with (obj) {\\n' + source + '\\n}\\n';\n\t      }\n\t      // Cleanup code by stripping empty strings.\n\t      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n\t        .replace(reEmptyStringMiddle, '$1')\n\t        .replace(reEmptyStringTrailing, '$1;');\n\t\n\t      // Frame code as the function body.\n\t      source = 'function(' + (variable || 'obj') + ') {\\n' +\n\t        (variable\n\t          ? ''\n\t          : 'obj || (obj = {});\\n'\n\t        ) +\n\t        \"var __t, __p = ''\" +\n\t        (isEscaping\n\t           ? ', __e = _.escape'\n\t           : ''\n\t        ) +\n\t        (isEvaluating\n\t          ? ', __j = Array.prototype.join;\\n' +\n\t            \"function print() { __p += __j.call(arguments, '') }\\n\"\n\t          : ';\\n'\n\t        ) +\n\t        source +\n\t        'return __p\\n}';\n\t\n\t      var result = attempt(function() {\n\t        return Function(importsKeys, sourceURL + 'return ' + source)\n\t          .apply(undefined, importsValues);\n\t      });\n\t\n\t      // Provide the compiled function's source by its `toString` method or\n\t      // the `source` property as a convenience for inlining compiled templates.\n\t      result.source = source;\n\t      if (isError(result)) {\n\t        throw result;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as a whole, to lower case just like\n\t     * [String#toLowerCase](https://mdn.io/toLowerCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the lower cased string.\n\t     * @example\n\t     *\n\t     * _.toLower('--Foo-Bar--');\n\t     * // => '--foo-bar--'\n\t     *\n\t     * _.toLower('fooBar');\n\t     * // => 'foobar'\n\t     *\n\t     * _.toLower('__FOO_BAR__');\n\t     * // => '__foo_bar__'\n\t     */\n\t    function toLower(value) {\n\t      return toString(value).toLowerCase();\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as a whole, to upper case just like\n\t     * [String#toUpperCase](https://mdn.io/toUpperCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the upper cased string.\n\t     * @example\n\t     *\n\t     * _.toUpper('--foo-bar--');\n\t     * // => '--FOO-BAR--'\n\t     *\n\t     * _.toUpper('fooBar');\n\t     * // => 'FOOBAR'\n\t     *\n\t     * _.toUpper('__foo_bar__');\n\t     * // => '__FOO_BAR__'\n\t     */\n\t    function toUpper(value) {\n\t      return toString(value).toUpperCase();\n\t    }\n\t\n\t    /**\n\t     * Removes leading and trailing whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trim('  abc  ');\n\t     * // => 'abc'\n\t     *\n\t     * _.trim('-_-abc-_-', '_-');\n\t     * // => 'abc'\n\t     *\n\t     * _.map(['  foo  ', '  bar  '], _.trim);\n\t     * // => ['foo', 'bar']\n\t     */\n\t    function trim(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrim, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          chrSymbols = stringToArray(chars),\n\t          start = charsStartIndex(strSymbols, chrSymbols),\n\t          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\t\n\t      return castSlice(strSymbols, start, end).join('');\n\t    }\n\t\n\t    /**\n\t     * Removes trailing whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trimEnd('  abc  ');\n\t     * // => '  abc'\n\t     *\n\t     * _.trimEnd('-_-abc-_-', '_-');\n\t     * // => '-_-abc'\n\t     */\n\t    function trimEnd(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrimEnd, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\t\n\t      return castSlice(strSymbols, 0, end).join('');\n\t    }\n\t\n\t    /**\n\t     * Removes leading whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trimStart('  abc  ');\n\t     * // => 'abc  '\n\t     *\n\t     * _.trimStart('-_-abc-_-', '_-');\n\t     * // => 'abc-_-'\n\t     */\n\t    function trimStart(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrimStart, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          start = charsStartIndex(strSymbols, stringToArray(chars));\n\t\n\t      return castSlice(strSymbols, start).join('');\n\t    }\n\t\n\t    /**\n\t     * Truncates `string` if it's longer than the given maximum string length.\n\t     * The last characters of the truncated string are replaced with the omission\n\t     * string which defaults to \"...\".\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to truncate.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {number} [options.length=30] The maximum string length.\n\t     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n\t     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n\t     * @returns {string} Returns the truncated string.\n\t     * @example\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino');\n\t     * // => 'hi-diddly-ho there, neighbo...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'length': 24,\n\t     *   'separator': ' '\n\t     * });\n\t     * // => 'hi-diddly-ho there,...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'length': 24,\n\t     *   'separator': /,? +/\n\t     * });\n\t     * // => 'hi-diddly-ho there...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'omission': ' [...]'\n\t     * });\n\t     * // => 'hi-diddly-ho there, neig [...]'\n\t     */\n\t    function truncate(string, options) {\n\t      var length = DEFAULT_TRUNC_LENGTH,\n\t          omission = DEFAULT_TRUNC_OMISSION;\n\t\n\t      if (isObject(options)) {\n\t        var separator = 'separator' in options ? options.separator : separator;\n\t        length = 'length' in options ? toInteger(options.length) : length;\n\t        omission = 'omission' in options ? baseToString(options.omission) : omission;\n\t      }\n\t      string = toString(string);\n\t\n\t      var strLength = string.length;\n\t      if (hasUnicode(string)) {\n\t        var strSymbols = stringToArray(string);\n\t        strLength = strSymbols.length;\n\t      }\n\t      if (length >= strLength) {\n\t        return string;\n\t      }\n\t      var end = length - stringSize(omission);\n\t      if (end < 1) {\n\t        return omission;\n\t      }\n\t      var result = strSymbols\n\t        ? castSlice(strSymbols, 0, end).join('')\n\t        : string.slice(0, end);\n\t\n\t      if (separator === undefined) {\n\t        return result + omission;\n\t      }\n\t      if (strSymbols) {\n\t        end += (result.length - end);\n\t      }\n\t      if (isRegExp(separator)) {\n\t        if (string.slice(end).search(separator)) {\n\t          var match,\n\t              substring = result;\n\t\n\t          if (!separator.global) {\n\t            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n\t          }\n\t          separator.lastIndex = 0;\n\t          while ((match = separator.exec(substring))) {\n\t            var newEnd = match.index;\n\t          }\n\t          result = result.slice(0, newEnd === undefined ? end : newEnd);\n\t        }\n\t      } else if (string.indexOf(baseToString(separator), end) != end) {\n\t        var index = result.lastIndexOf(separator);\n\t        if (index > -1) {\n\t          result = result.slice(0, index);\n\t        }\n\t      }\n\t      return result + omission;\n\t    }\n\t\n\t    /**\n\t     * The inverse of `_.escape`; this method converts the HTML entities\n\t     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n\t     * their corresponding characters.\n\t     *\n\t     * **Note:** No other HTML entities are unescaped. To unescape additional\n\t     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.6.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to unescape.\n\t     * @returns {string} Returns the unescaped string.\n\t     * @example\n\t     *\n\t     * _.unescape('fred, barney, &amp; pebbles');\n\t     * // => 'fred, barney, & pebbles'\n\t     */\n\t    function unescape(string) {\n\t      string = toString(string);\n\t      return (string && reHasEscapedHtml.test(string))\n\t        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as space separated words, to upper case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the upper cased string.\n\t     * @example\n\t     *\n\t     * _.upperCase('--foo-bar');\n\t     * // => 'FOO BAR'\n\t     *\n\t     * _.upperCase('fooBar');\n\t     * // => 'FOO BAR'\n\t     *\n\t     * _.upperCase('__foo_bar__');\n\t     * // => 'FOO BAR'\n\t     */\n\t    var upperCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + word.toUpperCase();\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to upper case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.upperFirst('fred');\n\t     * // => 'Fred'\n\t     *\n\t     * _.upperFirst('FRED');\n\t     * // => 'FRED'\n\t     */\n\t    var upperFirst = createCaseFirst('toUpperCase');\n\t\n\t    /**\n\t     * Splits `string` into an array of its words.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {RegExp|string} [pattern] The pattern to match words.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the words of `string`.\n\t     * @example\n\t     *\n\t     * _.words('fred, barney, & pebbles');\n\t     * // => ['fred', 'barney', 'pebbles']\n\t     *\n\t     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n\t     * // => ['fred', 'barney', '&', 'pebbles']\n\t     */\n\t    function words(string, pattern, guard) {\n\t      string = toString(string);\n\t      pattern = guard ? undefined : pattern;\n\t\n\t      if (pattern === undefined) {\n\t        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n\t      }\n\t      return string.match(pattern) || [];\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Attempts to invoke `func`, returning either the result or the caught error\n\t     * object. Any additional arguments are provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Function} func The function to attempt.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {*} Returns the `func` result or error object.\n\t     * @example\n\t     *\n\t     * // Avoid throwing errors for invalid selectors.\n\t     * var elements = _.attempt(function(selector) {\n\t     *   return document.querySelectorAll(selector);\n\t     * }, '>_>');\n\t     *\n\t     * if (_.isError(elements)) {\n\t     *   elements = [];\n\t     * }\n\t     */\n\t    var attempt = baseRest(function(func, args) {\n\t      try {\n\t        return apply(func, undefined, args);\n\t      } catch (e) {\n\t        return isError(e) ? e : new Error(e);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Binds methods of an object to the object itself, overwriting the existing\n\t     * method.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of bound functions.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {Object} object The object to bind and assign the bound methods to.\n\t     * @param {...(string|string[])} methodNames The object method names to bind.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var view = {\n\t     *   'label': 'docs',\n\t     *   'click': function() {\n\t     *     console.log('clicked ' + this.label);\n\t     *   }\n\t     * };\n\t     *\n\t     * _.bindAll(view, ['click']);\n\t     * jQuery(element).on('click', view.click);\n\t     * // => Logs 'clicked docs' when clicked.\n\t     */\n\t    var bindAll = flatRest(function(object, methodNames) {\n\t      arrayEach(methodNames, function(key) {\n\t        key = toKey(key);\n\t        baseAssignValue(object, key, bind(object[key], object));\n\t      });\n\t      return object;\n\t    });\n\t\n\t    /**\n\t     * Creates a function that iterates over `pairs` and invokes the corresponding\n\t     * function of the first predicate to return truthy. The predicate-function\n\t     * pairs are invoked with the `this` binding and arguments of the created\n\t     * function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {Array} pairs The predicate-function pairs.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @example\n\t     *\n\t     * var func = _.cond([\n\t     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n\t     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n\t     *   [_.stubTrue,                      _.constant('no match')]\n\t     * ]);\n\t     *\n\t     * func({ 'a': 1, 'b': 2 });\n\t     * // => 'matches A'\n\t     *\n\t     * func({ 'a': 0, 'b': 1 });\n\t     * // => 'matches B'\n\t     *\n\t     * func({ 'a': '1', 'b': '2' });\n\t     * // => 'no match'\n\t     */\n\t    function cond(pairs) {\n\t      var length = pairs == null ? 0 : pairs.length,\n\t          toIteratee = getIteratee();\n\t\n\t      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n\t        if (typeof pair[1] != 'function') {\n\t          throw new TypeError(FUNC_ERROR_TEXT);\n\t        }\n\t        return [toIteratee(pair[0]), pair[1]];\n\t      });\n\t\n\t      return baseRest(function(args) {\n\t        var index = -1;\n\t        while (++index < length) {\n\t          var pair = pairs[index];\n\t          if (apply(pair[0], this, args)) {\n\t            return apply(pair[1], this, args);\n\t          }\n\t        }\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes the predicate properties of `source` with\n\t     * the corresponding property values of a given object, returning `true` if\n\t     * all predicates return truthy, else `false`.\n\t     *\n\t     * **Note:** The created function is equivalent to `_.conformsTo` with\n\t     * `source` partially applied.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 2, 'b': 1 },\n\t     *   { 'a': 1, 'b': 2 }\n\t     * ];\n\t     *\n\t     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n\t     * // => [{ 'a': 1, 'b': 2 }]\n\t     */\n\t    function conforms(source) {\n\t      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that returns `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Util\n\t     * @param {*} value The value to return from the new function.\n\t     * @returns {Function} Returns the new constant function.\n\t     * @example\n\t     *\n\t     * var objects = _.times(2, _.constant({ 'a': 1 }));\n\t     *\n\t     * console.log(objects);\n\t     * // => [{ 'a': 1 }, { 'a': 1 }]\n\t     *\n\t     * console.log(objects[0] === objects[1]);\n\t     * // => true\n\t     */\n\t    function constant(value) {\n\t      return function() {\n\t        return value;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Checks `value` to determine whether a default value should be returned in\n\t     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n\t     * or `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.14.0\n\t     * @category Util\n\t     * @param {*} value The value to check.\n\t     * @param {*} defaultValue The default value.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * _.defaultTo(1, 10);\n\t     * // => 1\n\t     *\n\t     * _.defaultTo(undefined, 10);\n\t     * // => 10\n\t     */\n\t    function defaultTo(value, defaultValue) {\n\t      return (value == null || value !== value) ? defaultValue : value;\n\t    }\n\t\n\t    /**\n\t     * Creates a function that returns the result of invoking the given functions\n\t     * with the `this` binding of the created function, where each successive\n\t     * invocation is supplied the return value of the previous.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @see _.flowRight\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var addSquare = _.flow([_.add, square]);\n\t     * addSquare(1, 2);\n\t     * // => 9\n\t     */\n\t    var flow = createFlow();\n\t\n\t    /**\n\t     * This method is like `_.flow` except that it creates a function that\n\t     * invokes the given functions from right to left.\n\t     *\n\t     * @static\n\t     * @since 3.0.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @see _.flow\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var addSquare = _.flowRight([square, _.add]);\n\t     * addSquare(1, 2);\n\t     * // => 9\n\t     */\n\t    var flowRight = createFlow(true);\n\t\n\t    /**\n\t     * This method returns the first argument it receives.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {*} value Any value.\n\t     * @returns {*} Returns `value`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     *\n\t     * console.log(_.identity(object) === object);\n\t     * // => true\n\t     */\n\t    function identity(value) {\n\t      return value;\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the arguments of the created\n\t     * function. If `func` is a property name, the created function returns the\n\t     * property value for a given element. If `func` is an array or object, the\n\t     * created function returns `true` for elements that contain the equivalent\n\t     * source properties, otherwise it returns `false`.\n\t     *\n\t     * @static\n\t     * @since 4.0.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {*} [func=_.identity] The value to convert to a callback.\n\t     * @returns {Function} Returns the callback.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': true },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n\t     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.filter(users, _.iteratee(['user', 'fred']));\n\t     * // => [{ 'user': 'fred', 'age': 40 }]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.map(users, _.iteratee('user'));\n\t     * // => ['barney', 'fred']\n\t     *\n\t     * // Create custom iteratee shorthands.\n\t     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n\t     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n\t     *     return func.test(string);\n\t     *   };\n\t     * });\n\t     *\n\t     * _.filter(['abc', 'def'], /ef/);\n\t     * // => ['def']\n\t     */\n\t    function iteratee(func) {\n\t      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a partial deep comparison between a given\n\t     * object and `source`, returning `true` if the given object has equivalent\n\t     * property values, else `false`.\n\t     *\n\t     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n\t     * partially applied.\n\t     *\n\t     * Partial comparisons will match empty array and empty object `source`\n\t     * values against any array or object value, respectively. See `_.isEqual`\n\t     * for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 1, 'b': 2, 'c': 3 },\n\t     *   { 'a': 4, 'b': 5, 'c': 6 }\n\t     * ];\n\t     *\n\t     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n\t     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n\t     */\n\t    function matches(source) {\n\t      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a partial deep comparison between the\n\t     * value at `path` of a given object to `srcValue`, returning `true` if the\n\t     * object value is equivalent, else `false`.\n\t     *\n\t     * **Note:** Partial comparisons will match empty array and empty object\n\t     * `srcValue` values against any array or object value, respectively. See\n\t     * `_.isEqual` for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 1, 'b': 2, 'c': 3 },\n\t     *   { 'a': 4, 'b': 5, 'c': 6 }\n\t     * ];\n\t     *\n\t     * _.find(objects, _.matchesProperty('a', 4));\n\t     * // => { 'a': 4, 'b': 5, 'c': 6 }\n\t     */\n\t    function matchesProperty(path, srcValue) {\n\t      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes the method at `path` of a given object.\n\t     * Any additional arguments are provided to the invoked method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {Function} Returns the new invoker function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': { 'b': _.constant(2) } },\n\t     *   { 'a': { 'b': _.constant(1) } }\n\t     * ];\n\t     *\n\t     * _.map(objects, _.method('a.b'));\n\t     * // => [2, 1]\n\t     *\n\t     * _.map(objects, _.method(['a', 'b']));\n\t     * // => [2, 1]\n\t     */\n\t    var method = baseRest(function(path, args) {\n\t      return function(object) {\n\t        return baseInvoke(object, path, args);\n\t      };\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.method`; this method creates a function that invokes\n\t     * the method at a given path of `object`. Any additional arguments are\n\t     * provided to the invoked method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Util\n\t     * @param {Object} object The object to query.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {Function} Returns the new invoker function.\n\t     * @example\n\t     *\n\t     * var array = _.times(3, _.constant),\n\t     *     object = { 'a': array, 'b': array, 'c': array };\n\t     *\n\t     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n\t     * // => [2, 0]\n\t     *\n\t     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n\t     * // => [2, 0]\n\t     */\n\t    var methodOf = baseRest(function(object, args) {\n\t      return function(path) {\n\t        return baseInvoke(object, path, args);\n\t      };\n\t    });\n\t\n\t    /**\n\t     * Adds all own enumerable string keyed function properties of a source\n\t     * object to the destination object. If `object` is a function, then methods\n\t     * are added to its prototype as well.\n\t     *\n\t     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n\t     * avoid conflicts caused by modifying the original.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {Function|Object} [object=lodash] The destination object.\n\t     * @param {Object} source The object of functions to add.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n\t     * @returns {Function|Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * function vowels(string) {\n\t     *   return _.filter(string, function(v) {\n\t     *     return /[aeiou]/i.test(v);\n\t     *   });\n\t     * }\n\t     *\n\t     * _.mixin({ 'vowels': vowels });\n\t     * _.vowels('fred');\n\t     * // => ['e']\n\t     *\n\t     * _('fred').vowels().value();\n\t     * // => ['e']\n\t     *\n\t     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n\t     * _('fred').vowels();\n\t     * // => ['e']\n\t     */\n\t    function mixin(object, source, options) {\n\t      var props = keys(source),\n\t          methodNames = baseFunctions(source, props);\n\t\n\t      if (options == null &&\n\t          !(isObject(source) && (methodNames.length || !props.length))) {\n\t        options = source;\n\t        source = object;\n\t        object = this;\n\t        methodNames = baseFunctions(source, keys(source));\n\t      }\n\t      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n\t          isFunc = isFunction(object);\n\t\n\t      arrayEach(methodNames, function(methodName) {\n\t        var func = source[methodName];\n\t        object[methodName] = func;\n\t        if (isFunc) {\n\t          object.prototype[methodName] = function() {\n\t            var chainAll = this.__chain__;\n\t            if (chain || chainAll) {\n\t              var result = object(this.__wrapped__),\n\t                  actions = result.__actions__ = copyArray(this.__actions__);\n\t\n\t              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n\t              result.__chain__ = chainAll;\n\t              return result;\n\t            }\n\t            return func.apply(object, arrayPush([this.value()], arguments));\n\t          };\n\t        }\n\t      });\n\t\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Reverts the `_` variable to its previous value and returns a reference to\n\t     * the `lodash` function.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @returns {Function} Returns the `lodash` function.\n\t     * @example\n\t     *\n\t     * var lodash = _.noConflict();\n\t     */\n\t    function noConflict() {\n\t      if (root._ === this) {\n\t        root._ = oldDash;\n\t      }\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * This method returns `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.3.0\n\t     * @category Util\n\t     * @example\n\t     *\n\t     * _.times(2, _.noop);\n\t     * // => [undefined, undefined]\n\t     */\n\t    function noop() {\n\t      // No operation performed.\n\t    }\n\t\n\t    /**\n\t     * Creates a function that gets the argument at index `n`. If `n` is negative,\n\t     * the nth argument from the end is returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {number} [n=0] The index of the argument to return.\n\t     * @returns {Function} Returns the new pass-thru function.\n\t     * @example\n\t     *\n\t     * var func = _.nthArg(1);\n\t     * func('a', 'b', 'c', 'd');\n\t     * // => 'b'\n\t     *\n\t     * var func = _.nthArg(-2);\n\t     * func('a', 'b', 'c', 'd');\n\t     * // => 'c'\n\t     */\n\t    function nthArg(n) {\n\t      n = toInteger(n);\n\t      return baseRest(function(args) {\n\t        return baseNth(args, n);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `iteratees` with the arguments it receives\n\t     * and returns their results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n\t     *  The iteratees to invoke.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.over([Math.max, Math.min]);\n\t     *\n\t     * func(1, 2, 3, 4);\n\t     * // => [4, 1]\n\t     */\n\t    var over = createOver(arrayMap);\n\t\n\t    /**\n\t     * Creates a function that checks if **all** of the `predicates` return\n\t     * truthy when invoked with the arguments it receives.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [predicates=[_.identity]]\n\t     *  The predicates to check.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.overEvery([Boolean, isFinite]);\n\t     *\n\t     * func('1');\n\t     * // => true\n\t     *\n\t     * func(null);\n\t     * // => false\n\t     *\n\t     * func(NaN);\n\t     * // => false\n\t     */\n\t    var overEvery = createOver(arrayEvery);\n\t\n\t    /**\n\t     * Creates a function that checks if **any** of the `predicates` return\n\t     * truthy when invoked with the arguments it receives.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [predicates=[_.identity]]\n\t     *  The predicates to check.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.overSome([Boolean, isFinite]);\n\t     *\n\t     * func('1');\n\t     * // => true\n\t     *\n\t     * func(null);\n\t     * // => true\n\t     *\n\t     * func(NaN);\n\t     * // => false\n\t     */\n\t    var overSome = createOver(arraySome);\n\t\n\t    /**\n\t     * Creates a function that returns the value at `path` of a given object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {Function} Returns the new accessor function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': { 'b': 2 } },\n\t     *   { 'a': { 'b': 1 } }\n\t     * ];\n\t     *\n\t     * _.map(objects, _.property('a.b'));\n\t     * // => [2, 1]\n\t     *\n\t     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n\t     * // => [1, 2]\n\t     */\n\t    function property(path) {\n\t      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.property`; this method creates a function that returns\n\t     * the value at a given path of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Object} object The object to query.\n\t     * @returns {Function} Returns the new accessor function.\n\t     * @example\n\t     *\n\t     * var array = [0, 1, 2],\n\t     *     object = { 'a': array, 'b': array, 'c': array };\n\t     *\n\t     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n\t     * // => [2, 0]\n\t     *\n\t     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n\t     * // => [2, 0]\n\t     */\n\t    function propertyOf(object) {\n\t      return function(path) {\n\t        return object == null ? undefined : baseGet(object, path);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates an array of numbers (positive and/or negative) progressing from\n\t     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n\t     * `start` is specified without an `end` or `step`. If `end` is not specified,\n\t     * it's set to `start` with `start` then set to `0`.\n\t     *\n\t     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t     * floating-point values which can produce unexpected results.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} [step=1] The value to increment or decrement by.\n\t     * @returns {Array} Returns the range of numbers.\n\t     * @see _.inRange, _.rangeRight\n\t     * @example\n\t     *\n\t     * _.range(4);\n\t     * // => [0, 1, 2, 3]\n\t     *\n\t     * _.range(-4);\n\t     * // => [0, -1, -2, -3]\n\t     *\n\t     * _.range(1, 5);\n\t     * // => [1, 2, 3, 4]\n\t     *\n\t     * _.range(0, 20, 5);\n\t     * // => [0, 5, 10, 15]\n\t     *\n\t     * _.range(0, -4, -1);\n\t     * // => [0, -1, -2, -3]\n\t     *\n\t     * _.range(1, 4, 0);\n\t     * // => [1, 1, 1]\n\t     *\n\t     * _.range(0);\n\t     * // => []\n\t     */\n\t    var range = createRange();\n\t\n\t    /**\n\t     * This method is like `_.range` except that it populates values in\n\t     * descending order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} [step=1] The value to increment or decrement by.\n\t     * @returns {Array} Returns the range of numbers.\n\t     * @see _.inRange, _.range\n\t     * @example\n\t     *\n\t     * _.rangeRight(4);\n\t     * // => [3, 2, 1, 0]\n\t     *\n\t     * _.rangeRight(-4);\n\t     * // => [-3, -2, -1, 0]\n\t     *\n\t     * _.rangeRight(1, 5);\n\t     * // => [4, 3, 2, 1]\n\t     *\n\t     * _.rangeRight(0, 20, 5);\n\t     * // => [15, 10, 5, 0]\n\t     *\n\t     * _.rangeRight(0, -4, -1);\n\t     * // => [-3, -2, -1, 0]\n\t     *\n\t     * _.rangeRight(1, 4, 0);\n\t     * // => [1, 1, 1]\n\t     *\n\t     * _.rangeRight(0);\n\t     * // => []\n\t     */\n\t    var rangeRight = createRange(true);\n\t\n\t    /**\n\t     * This method returns a new empty array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {Array} Returns the new empty array.\n\t     * @example\n\t     *\n\t     * var arrays = _.times(2, _.stubArray);\n\t     *\n\t     * console.log(arrays);\n\t     * // => [[], []]\n\t     *\n\t     * console.log(arrays[0] === arrays[1]);\n\t     * // => false\n\t     */\n\t    function stubArray() {\n\t      return [];\n\t    }\n\t\n\t    /**\n\t     * This method returns `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {boolean} Returns `false`.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubFalse);\n\t     * // => [false, false]\n\t     */\n\t    function stubFalse() {\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * This method returns a new empty object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {Object} Returns the new empty object.\n\t     * @example\n\t     *\n\t     * var objects = _.times(2, _.stubObject);\n\t     *\n\t     * console.log(objects);\n\t     * // => [{}, {}]\n\t     *\n\t     * console.log(objects[0] === objects[1]);\n\t     * // => false\n\t     */\n\t    function stubObject() {\n\t      return {};\n\t    }\n\t\n\t    /**\n\t     * This method returns an empty string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {string} Returns the empty string.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubString);\n\t     * // => ['', '']\n\t     */\n\t    function stubString() {\n\t      return '';\n\t    }\n\t\n\t    /**\n\t     * This method returns `true`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {boolean} Returns `true`.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubTrue);\n\t     * // => [true, true]\n\t     */\n\t    function stubTrue() {\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Invokes the iteratee `n` times, returning an array of the results of\n\t     * each invocation. The iteratee is invoked with one argument; (index).\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {number} n The number of times to invoke `iteratee`.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the array of results.\n\t     * @example\n\t     *\n\t     * _.times(3, String);\n\t     * // => ['0', '1', '2']\n\t     *\n\t     *  _.times(4, _.constant(0));\n\t     * // => [0, 0, 0, 0]\n\t     */\n\t    function times(n, iteratee) {\n\t      n = toInteger(n);\n\t      if (n < 1 || n > MAX_SAFE_INTEGER) {\n\t        return [];\n\t      }\n\t      var index = MAX_ARRAY_LENGTH,\n\t          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\t\n\t      iteratee = getIteratee(iteratee);\n\t      n -= MAX_ARRAY_LENGTH;\n\t\n\t      var result = baseTimes(length, iteratee);\n\t      while (++index < n) {\n\t        iteratee(index);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a property path array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {*} value The value to convert.\n\t     * @returns {Array} Returns the new property path array.\n\t     * @example\n\t     *\n\t     * _.toPath('a.b.c');\n\t     * // => ['a', 'b', 'c']\n\t     *\n\t     * _.toPath('a[0].b.c');\n\t     * // => ['a', '0', 'b', 'c']\n\t     */\n\t    function toPath(value) {\n\t      if (isArray(value)) {\n\t        return arrayMap(value, toKey);\n\t      }\n\t      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n\t    }\n\t\n\t    /**\n\t     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {string} [prefix=''] The value to prefix the ID with.\n\t     * @returns {string} Returns the unique ID.\n\t     * @example\n\t     *\n\t     * _.uniqueId('contact_');\n\t     * // => 'contact_104'\n\t     *\n\t     * _.uniqueId();\n\t     * // => '105'\n\t     */\n\t    function uniqueId(prefix) {\n\t      var id = ++idCounter;\n\t      return toString(prefix) + id;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Adds two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.4.0\n\t     * @category Math\n\t     * @param {number} augend The first number in an addition.\n\t     * @param {number} addend The second number in an addition.\n\t     * @returns {number} Returns the total.\n\t     * @example\n\t     *\n\t     * _.add(6, 4);\n\t     * // => 10\n\t     */\n\t    var add = createMathOperation(function(augend, addend) {\n\t      return augend + addend;\n\t    }, 0);\n\t\n\t    /**\n\t     * Computes `number` rounded up to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round up.\n\t     * @param {number} [precision=0] The precision to round up to.\n\t     * @returns {number} Returns the rounded up number.\n\t     * @example\n\t     *\n\t     * _.ceil(4.006);\n\t     * // => 5\n\t     *\n\t     * _.ceil(6.004, 2);\n\t     * // => 6.01\n\t     *\n\t     * _.ceil(6040, -2);\n\t     * // => 6100\n\t     */\n\t    var ceil = createRound('ceil');\n\t\n\t    /**\n\t     * Divide two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {number} dividend The first number in a division.\n\t     * @param {number} divisor The second number in a division.\n\t     * @returns {number} Returns the quotient.\n\t     * @example\n\t     *\n\t     * _.divide(6, 4);\n\t     * // => 1.5\n\t     */\n\t    var divide = createMathOperation(function(dividend, divisor) {\n\t      return dividend / divisor;\n\t    }, 1);\n\t\n\t    /**\n\t     * Computes `number` rounded down to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round down.\n\t     * @param {number} [precision=0] The precision to round down to.\n\t     * @returns {number} Returns the rounded down number.\n\t     * @example\n\t     *\n\t     * _.floor(4.006);\n\t     * // => 4\n\t     *\n\t     * _.floor(0.046, 2);\n\t     * // => 0.04\n\t     *\n\t     * _.floor(4060, -2);\n\t     * // => 4000\n\t     */\n\t    var floor = createRound('floor');\n\t\n\t    /**\n\t     * Computes the maximum value of `array`. If `array` is empty or falsey,\n\t     * `undefined` is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {*} Returns the maximum value.\n\t     * @example\n\t     *\n\t     * _.max([4, 2, 8, 6]);\n\t     * // => 8\n\t     *\n\t     * _.max([]);\n\t     * // => undefined\n\t     */\n\t    function max(array) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, identity, baseGt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.max` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * the value is ranked. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {*} Returns the maximum value.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n\t     *\n\t     * _.maxBy(objects, function(o) { return o.n; });\n\t     * // => { 'n': 2 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.maxBy(objects, 'n');\n\t     * // => { 'n': 2 }\n\t     */\n\t    function maxBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * Computes the mean of the values in `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {number} Returns the mean.\n\t     * @example\n\t     *\n\t     * _.mean([4, 2, 8, 6]);\n\t     * // => 5\n\t     */\n\t    function mean(array) {\n\t      return baseMean(array, identity);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.mean` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the value to be averaged.\n\t     * The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the mean.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n\t     *\n\t     * _.meanBy(objects, function(o) { return o.n; });\n\t     * // => 5\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.meanBy(objects, 'n');\n\t     * // => 5\n\t     */\n\t    function meanBy(array, iteratee) {\n\t      return baseMean(array, getIteratee(iteratee, 2));\n\t    }\n\t\n\t    /**\n\t     * Computes the minimum value of `array`. If `array` is empty or falsey,\n\t     * `undefined` is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {*} Returns the minimum value.\n\t     * @example\n\t     *\n\t     * _.min([4, 2, 8, 6]);\n\t     * // => 2\n\t     *\n\t     * _.min([]);\n\t     * // => undefined\n\t     */\n\t    function min(array) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, identity, baseLt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.min` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * the value is ranked. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {*} Returns the minimum value.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n\t     *\n\t     * _.minBy(objects, function(o) { return o.n; });\n\t     * // => { 'n': 1 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.minBy(objects, 'n');\n\t     * // => { 'n': 1 }\n\t     */\n\t    function minBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * Multiply two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {number} multiplier The first number in a multiplication.\n\t     * @param {number} multiplicand The second number in a multiplication.\n\t     * @returns {number} Returns the product.\n\t     * @example\n\t     *\n\t     * _.multiply(6, 4);\n\t     * // => 24\n\t     */\n\t    var multiply = createMathOperation(function(multiplier, multiplicand) {\n\t      return multiplier * multiplicand;\n\t    }, 1);\n\t\n\t    /**\n\t     * Computes `number` rounded to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round.\n\t     * @param {number} [precision=0] The precision to round to.\n\t     * @returns {number} Returns the rounded number.\n\t     * @example\n\t     *\n\t     * _.round(4.006);\n\t     * // => 4\n\t     *\n\t     * _.round(4.006, 2);\n\t     * // => 4.01\n\t     *\n\t     * _.round(4060, -2);\n\t     * // => 4100\n\t     */\n\t    var round = createRound('round');\n\t\n\t    /**\n\t     * Subtract two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {number} minuend The first number in a subtraction.\n\t     * @param {number} subtrahend The second number in a subtraction.\n\t     * @returns {number} Returns the difference.\n\t     * @example\n\t     *\n\t     * _.subtract(6, 4);\n\t     * // => 2\n\t     */\n\t    var subtract = createMathOperation(function(minuend, subtrahend) {\n\t      return minuend - subtrahend;\n\t    }, 0);\n\t\n\t    /**\n\t     * Computes the sum of the values in `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.4.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {number} Returns the sum.\n\t     * @example\n\t     *\n\t     * _.sum([4, 2, 8, 6]);\n\t     * // => 20\n\t     */\n\t    function sum(array) {\n\t      return (array && array.length)\n\t        ? baseSum(array, identity)\n\t        : 0;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sum` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the value to be summed.\n\t     * The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the sum.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n\t     *\n\t     * _.sumBy(objects, function(o) { return o.n; });\n\t     * // => 20\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sumBy(objects, 'n');\n\t     * // => 20\n\t     */\n\t    function sumBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseSum(array, getIteratee(iteratee, 2))\n\t        : 0;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    // Add methods that return wrapped values in chain sequences.\n\t    lodash.after = after;\n\t    lodash.ary = ary;\n\t    lodash.assign = assign;\n\t    lodash.assignIn = assignIn;\n\t    lodash.assignInWith = assignInWith;\n\t    lodash.assignWith = assignWith;\n\t    lodash.at = at;\n\t    lodash.before = before;\n\t    lodash.bind = bind;\n\t    lodash.bindAll = bindAll;\n\t    lodash.bindKey = bindKey;\n\t    lodash.castArray = castArray;\n\t    lodash.chain = chain;\n\t    lodash.chunk = chunk;\n\t    lodash.compact = compact;\n\t    lodash.concat = concat;\n\t    lodash.cond = cond;\n\t    lodash.conforms = conforms;\n\t    lodash.constant = constant;\n\t    lodash.countBy = countBy;\n\t    lodash.create = create;\n\t    lodash.curry = curry;\n\t    lodash.curryRight = curryRight;\n\t    lodash.debounce = debounce;\n\t    lodash.defaults = defaults;\n\t    lodash.defaultsDeep = defaultsDeep;\n\t    lodash.defer = defer;\n\t    lodash.delay = delay;\n\t    lodash.difference = difference;\n\t    lodash.differenceBy = differenceBy;\n\t    lodash.differenceWith = differenceWith;\n\t    lodash.drop = drop;\n\t    lodash.dropRight = dropRight;\n\t    lodash.dropRightWhile = dropRightWhile;\n\t    lodash.dropWhile = dropWhile;\n\t    lodash.fill = fill;\n\t    lodash.filter = filter;\n\t    lodash.flatMap = flatMap;\n\t    lodash.flatMapDeep = flatMapDeep;\n\t    lodash.flatMapDepth = flatMapDepth;\n\t    lodash.flatten = flatten;\n\t    lodash.flattenDeep = flattenDeep;\n\t    lodash.flattenDepth = flattenDepth;\n\t    lodash.flip = flip;\n\t    lodash.flow = flow;\n\t    lodash.flowRight = flowRight;\n\t    lodash.fromPairs = fromPairs;\n\t    lodash.functions = functions;\n\t    lodash.functionsIn = functionsIn;\n\t    lodash.groupBy = groupBy;\n\t    lodash.initial = initial;\n\t    lodash.intersection = intersection;\n\t    lodash.intersectionBy = intersectionBy;\n\t    lodash.intersectionWith = intersectionWith;\n\t    lodash.invert = invert;\n\t    lodash.invertBy = invertBy;\n\t    lodash.invokeMap = invokeMap;\n\t    lodash.iteratee = iteratee;\n\t    lodash.keyBy = keyBy;\n\t    lodash.keys = keys;\n\t    lodash.keysIn = keysIn;\n\t    lodash.map = map;\n\t    lodash.mapKeys = mapKeys;\n\t    lodash.mapValues = mapValues;\n\t    lodash.matches = matches;\n\t    lodash.matchesProperty = matchesProperty;\n\t    lodash.memoize = memoize;\n\t    lodash.merge = merge;\n\t    lodash.mergeWith = mergeWith;\n\t    lodash.method = method;\n\t    lodash.methodOf = methodOf;\n\t    lodash.mixin = mixin;\n\t    lodash.negate = negate;\n\t    lodash.nthArg = nthArg;\n\t    lodash.omit = omit;\n\t    lodash.omitBy = omitBy;\n\t    lodash.once = once;\n\t    lodash.orderBy = orderBy;\n\t    lodash.over = over;\n\t    lodash.overArgs = overArgs;\n\t    lodash.overEvery = overEvery;\n\t    lodash.overSome = overSome;\n\t    lodash.partial = partial;\n\t    lodash.partialRight = partialRight;\n\t    lodash.partition = partition;\n\t    lodash.pick = pick;\n\t    lodash.pickBy = pickBy;\n\t    lodash.property = property;\n\t    lodash.propertyOf = propertyOf;\n\t    lodash.pull = pull;\n\t    lodash.pullAll = pullAll;\n\t    lodash.pullAllBy = pullAllBy;\n\t    lodash.pullAllWith = pullAllWith;\n\t    lodash.pullAt = pullAt;\n\t    lodash.range = range;\n\t    lodash.rangeRight = rangeRight;\n\t    lodash.rearg = rearg;\n\t    lodash.reject = reject;\n\t    lodash.remove = remove;\n\t    lodash.rest = rest;\n\t    lodash.reverse = reverse;\n\t    lodash.sampleSize = sampleSize;\n\t    lodash.set = set;\n\t    lodash.setWith = setWith;\n\t    lodash.shuffle = shuffle;\n\t    lodash.slice = slice;\n\t    lodash.sortBy = sortBy;\n\t    lodash.sortedUniq = sortedUniq;\n\t    lodash.sortedUniqBy = sortedUniqBy;\n\t    lodash.split = split;\n\t    lodash.spread = spread;\n\t    lodash.tail = tail;\n\t    lodash.take = take;\n\t    lodash.takeRight = takeRight;\n\t    lodash.takeRightWhile = takeRightWhile;\n\t    lodash.takeWhile = takeWhile;\n\t    lodash.tap = tap;\n\t    lodash.throttle = throttle;\n\t    lodash.thru = thru;\n\t    lodash.toArray = toArray;\n\t    lodash.toPairs = toPairs;\n\t    lodash.toPairsIn = toPairsIn;\n\t    lodash.toPath = toPath;\n\t    lodash.toPlainObject = toPlainObject;\n\t    lodash.transform = transform;\n\t    lodash.unary = unary;\n\t    lodash.union = union;\n\t    lodash.unionBy = unionBy;\n\t    lodash.unionWith = unionWith;\n\t    lodash.uniq = uniq;\n\t    lodash.uniqBy = uniqBy;\n\t    lodash.uniqWith = uniqWith;\n\t    lodash.unset = unset;\n\t    lodash.unzip = unzip;\n\t    lodash.unzipWith = unzipWith;\n\t    lodash.update = update;\n\t    lodash.updateWith = updateWith;\n\t    lodash.values = values;\n\t    lodash.valuesIn = valuesIn;\n\t    lodash.without = without;\n\t    lodash.words = words;\n\t    lodash.wrap = wrap;\n\t    lodash.xor = xor;\n\t    lodash.xorBy = xorBy;\n\t    lodash.xorWith = xorWith;\n\t    lodash.zip = zip;\n\t    lodash.zipObject = zipObject;\n\t    lodash.zipObjectDeep = zipObjectDeep;\n\t    lodash.zipWith = zipWith;\n\t\n\t    // Add aliases.\n\t    lodash.entries = toPairs;\n\t    lodash.entriesIn = toPairsIn;\n\t    lodash.extend = assignIn;\n\t    lodash.extendWith = assignInWith;\n\t\n\t    // Add methods to `lodash.prototype`.\n\t    mixin(lodash, lodash);\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    // Add methods that return unwrapped values in chain sequences.\n\t    lodash.add = add;\n\t    lodash.attempt = attempt;\n\t    lodash.camelCase = camelCase;\n\t    lodash.capitalize = capitalize;\n\t    lodash.ceil = ceil;\n\t    lodash.clamp = clamp;\n\t    lodash.clone = clone;\n\t    lodash.cloneDeep = cloneDeep;\n\t    lodash.cloneDeepWith = cloneDeepWith;\n\t    lodash.cloneWith = cloneWith;\n\t    lodash.conformsTo = conformsTo;\n\t    lodash.deburr = deburr;\n\t    lodash.defaultTo = defaultTo;\n\t    lodash.divide = divide;\n\t    lodash.endsWith = endsWith;\n\t    lodash.eq = eq;\n\t    lodash.escape = escape;\n\t    lodash.escapeRegExp = escapeRegExp;\n\t    lodash.every = every;\n\t    lodash.find = find;\n\t    lodash.findIndex = findIndex;\n\t    lodash.findKey = findKey;\n\t    lodash.findLast = findLast;\n\t    lodash.findLastIndex = findLastIndex;\n\t    lodash.findLastKey = findLastKey;\n\t    lodash.floor = floor;\n\t    lodash.forEach = forEach;\n\t    lodash.forEachRight = forEachRight;\n\t    lodash.forIn = forIn;\n\t    lodash.forInRight = forInRight;\n\t    lodash.forOwn = forOwn;\n\t    lodash.forOwnRight = forOwnRight;\n\t    lodash.get = get;\n\t    lodash.gt = gt;\n\t    lodash.gte = gte;\n\t    lodash.has = has;\n\t    lodash.hasIn = hasIn;\n\t    lodash.head = head;\n\t    lodash.identity = identity;\n\t    lodash.includes = includes;\n\t    lodash.indexOf = indexOf;\n\t    lodash.inRange = inRange;\n\t    lodash.invoke = invoke;\n\t    lodash.isArguments = isArguments;\n\t    lodash.isArray = isArray;\n\t    lodash.isArrayBuffer = isArrayBuffer;\n\t    lodash.isArrayLike = isArrayLike;\n\t    lodash.isArrayLikeObject = isArrayLikeObject;\n\t    lodash.isBoolean = isBoolean;\n\t    lodash.isBuffer = isBuffer;\n\t    lodash.isDate = isDate;\n\t    lodash.isElement = isElement;\n\t    lodash.isEmpty = isEmpty;\n\t    lodash.isEqual = isEqual;\n\t    lodash.isEqualWith = isEqualWith;\n\t    lodash.isError = isError;\n\t    lodash.isFinite = isFinite;\n\t    lodash.isFunction = isFunction;\n\t    lodash.isInteger = isInteger;\n\t    lodash.isLength = isLength;\n\t    lodash.isMap = isMap;\n\t    lodash.isMatch = isMatch;\n\t    lodash.isMatchWith = isMatchWith;\n\t    lodash.isNaN = isNaN;\n\t    lodash.isNative = isNative;\n\t    lodash.isNil = isNil;\n\t    lodash.isNull = isNull;\n\t    lodash.isNumber = isNumber;\n\t    lodash.isObject = isObject;\n\t    lodash.isObjectLike = isObjectLike;\n\t    lodash.isPlainObject = isPlainObject;\n\t    lodash.isRegExp = isRegExp;\n\t    lodash.isSafeInteger = isSafeInteger;\n\t    lodash.isSet = isSet;\n\t    lodash.isString = isString;\n\t    lodash.isSymbol = isSymbol;\n\t    lodash.isTypedArray = isTypedArray;\n\t    lodash.isUndefined = isUndefined;\n\t    lodash.isWeakMap = isWeakMap;\n\t    lodash.isWeakSet = isWeakSet;\n\t    lodash.join = join;\n\t    lodash.kebabCase = kebabCase;\n\t    lodash.last = last;\n\t    lodash.lastIndexOf = lastIndexOf;\n\t    lodash.lowerCase = lowerCase;\n\t    lodash.lowerFirst = lowerFirst;\n\t    lodash.lt = lt;\n\t    lodash.lte = lte;\n\t    lodash.max = max;\n\t    lodash.maxBy = maxBy;\n\t    lodash.mean = mean;\n\t    lodash.meanBy = meanBy;\n\t    lodash.min = min;\n\t    lodash.minBy = minBy;\n\t    lodash.stubArray = stubArray;\n\t    lodash.stubFalse = stubFalse;\n\t    lodash.stubObject = stubObject;\n\t    lodash.stubString = stubString;\n\t    lodash.stubTrue = stubTrue;\n\t    lodash.multiply = multiply;\n\t    lodash.nth = nth;\n\t    lodash.noConflict = noConflict;\n\t    lodash.noop = noop;\n\t    lodash.now = now;\n\t    lodash.pad = pad;\n\t    lodash.padEnd = padEnd;\n\t    lodash.padStart = padStart;\n\t    lodash.parseInt = parseInt;\n\t    lodash.random = random;\n\t    lodash.reduce = reduce;\n\t    lodash.reduceRight = reduceRight;\n\t    lodash.repeat = repeat;\n\t    lodash.replace = replace;\n\t    lodash.result = result;\n\t    lodash.round = round;\n\t    lodash.runInContext = runInContext;\n\t    lodash.sample = sample;\n\t    lodash.size = size;\n\t    lodash.snakeCase = snakeCase;\n\t    lodash.some = some;\n\t    lodash.sortedIndex = sortedIndex;\n\t    lodash.sortedIndexBy = sortedIndexBy;\n\t    lodash.sortedIndexOf = sortedIndexOf;\n\t    lodash.sortedLastIndex = sortedLastIndex;\n\t    lodash.sortedLastIndexBy = sortedLastIndexBy;\n\t    lodash.sortedLastIndexOf = sortedLastIndexOf;\n\t    lodash.startCase = startCase;\n\t    lodash.startsWith = startsWith;\n\t    lodash.subtract = subtract;\n\t    lodash.sum = sum;\n\t    lodash.sumBy = sumBy;\n\t    lodash.template = template;\n\t    lodash.times = times;\n\t    lodash.toFinite = toFinite;\n\t    lodash.toInteger = toInteger;\n\t    lodash.toLength = toLength;\n\t    lodash.toLower = toLower;\n\t    lodash.toNumber = toNumber;\n\t    lodash.toSafeInteger = toSafeInteger;\n\t    lodash.toString = toString;\n\t    lodash.toUpper = toUpper;\n\t    lodash.trim = trim;\n\t    lodash.trimEnd = trimEnd;\n\t    lodash.trimStart = trimStart;\n\t    lodash.truncate = truncate;\n\t    lodash.unescape = unescape;\n\t    lodash.uniqueId = uniqueId;\n\t    lodash.upperCase = upperCase;\n\t    lodash.upperFirst = upperFirst;\n\t\n\t    // Add aliases.\n\t    lodash.each = forEach;\n\t    lodash.eachRight = forEachRight;\n\t    lodash.first = head;\n\t\n\t    mixin(lodash, (function() {\n\t      var source = {};\n\t      baseForOwn(lodash, function(func, methodName) {\n\t        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n\t          source[methodName] = func;\n\t        }\n\t      });\n\t      return source;\n\t    }()), { 'chain': false });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * The semantic version number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @type {string}\n\t     */\n\t    lodash.VERSION = VERSION;\n\t\n\t    // Assign default placeholders.\n\t    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n\t      lodash[methodName].placeholder = lodash;\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n\t    arrayEach(['drop', 'take'], function(methodName, index) {\n\t      LazyWrapper.prototype[methodName] = function(n) {\n\t        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\t\n\t        var result = (this.__filtered__ && !index)\n\t          ? new LazyWrapper(this)\n\t          : this.clone();\n\t\n\t        if (result.__filtered__) {\n\t          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n\t        } else {\n\t          result.__views__.push({\n\t            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n\t            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n\t          });\n\t        }\n\t        return result;\n\t      };\n\t\n\t      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n\t        return this.reverse()[methodName](n).reverse();\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods that accept an `iteratee` value.\n\t    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n\t      var type = index + 1,\n\t          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\t\n\t      LazyWrapper.prototype[methodName] = function(iteratee) {\n\t        var result = this.clone();\n\t        result.__iteratees__.push({\n\t          'iteratee': getIteratee(iteratee, 3),\n\t          'type': type\n\t        });\n\t        result.__filtered__ = result.__filtered__ || isFilter;\n\t        return result;\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n\t    arrayEach(['head', 'last'], function(methodName, index) {\n\t      var takeName = 'take' + (index ? 'Right' : '');\n\t\n\t      LazyWrapper.prototype[methodName] = function() {\n\t        return this[takeName](1).value()[0];\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n\t    arrayEach(['initial', 'tail'], function(methodName, index) {\n\t      var dropName = 'drop' + (index ? '' : 'Right');\n\t\n\t      LazyWrapper.prototype[methodName] = function() {\n\t        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n\t      };\n\t    });\n\t\n\t    LazyWrapper.prototype.compact = function() {\n\t      return this.filter(identity);\n\t    };\n\t\n\t    LazyWrapper.prototype.find = function(predicate) {\n\t      return this.filter(predicate).head();\n\t    };\n\t\n\t    LazyWrapper.prototype.findLast = function(predicate) {\n\t      return this.reverse().find(predicate);\n\t    };\n\t\n\t    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n\t      if (typeof path == 'function') {\n\t        return new LazyWrapper(this);\n\t      }\n\t      return this.map(function(value) {\n\t        return baseInvoke(value, path, args);\n\t      });\n\t    });\n\t\n\t    LazyWrapper.prototype.reject = function(predicate) {\n\t      return this.filter(negate(getIteratee(predicate)));\n\t    };\n\t\n\t    LazyWrapper.prototype.slice = function(start, end) {\n\t      start = toInteger(start);\n\t\n\t      var result = this;\n\t      if (result.__filtered__ && (start > 0 || end < 0)) {\n\t        return new LazyWrapper(result);\n\t      }\n\t      if (start < 0) {\n\t        result = result.takeRight(-start);\n\t      } else if (start) {\n\t        result = result.drop(start);\n\t      }\n\t      if (end !== undefined) {\n\t        end = toInteger(end);\n\t        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n\t      }\n\t      return result;\n\t    };\n\t\n\t    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n\t      return this.reverse().takeWhile(predicate).reverse();\n\t    };\n\t\n\t    LazyWrapper.prototype.toArray = function() {\n\t      return this.take(MAX_ARRAY_LENGTH);\n\t    };\n\t\n\t    // Add `LazyWrapper` methods to `lodash.prototype`.\n\t    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n\t      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n\t          isTaker = /^(?:head|last)$/.test(methodName),\n\t          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n\t          retUnwrapped = isTaker || /^find/.test(methodName);\n\t\n\t      if (!lodashFunc) {\n\t        return;\n\t      }\n\t      lodash.prototype[methodName] = function() {\n\t        var value = this.__wrapped__,\n\t            args = isTaker ? [1] : arguments,\n\t            isLazy = value instanceof LazyWrapper,\n\t            iteratee = args[0],\n\t            useLazy = isLazy || isArray(value);\n\t\n\t        var interceptor = function(value) {\n\t          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n\t          return (isTaker && chainAll) ? result[0] : result;\n\t        };\n\t\n\t        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n\t          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n\t          isLazy = useLazy = false;\n\t        }\n\t        var chainAll = this.__chain__,\n\t            isHybrid = !!this.__actions__.length,\n\t            isUnwrapped = retUnwrapped && !chainAll,\n\t            onlyLazy = isLazy && !isHybrid;\n\t\n\t        if (!retUnwrapped && useLazy) {\n\t          value = onlyLazy ? value : new LazyWrapper(this);\n\t          var result = func.apply(value, args);\n\t          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n\t          return new LodashWrapper(result, chainAll);\n\t        }\n\t        if (isUnwrapped && onlyLazy) {\n\t          return func.apply(this, args);\n\t        }\n\t        result = this.thru(interceptor);\n\t        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n\t      };\n\t    });\n\t\n\t    // Add `Array` methods to `lodash.prototype`.\n\t    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n\t      var func = arrayProto[methodName],\n\t          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n\t          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\t\n\t      lodash.prototype[methodName] = function() {\n\t        var args = arguments;\n\t        if (retUnwrapped && !this.__chain__) {\n\t          var value = this.value();\n\t          return func.apply(isArray(value) ? value : [], args);\n\t        }\n\t        return this[chainName](function(value) {\n\t          return func.apply(isArray(value) ? value : [], args);\n\t        });\n\t      };\n\t    });\n\t\n\t    // Map minified method names to their real names.\n\t    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n\t      var lodashFunc = lodash[methodName];\n\t      if (lodashFunc) {\n\t        var key = (lodashFunc.name + ''),\n\t            names = realNames[key] || (realNames[key] = []);\n\t\n\t        names.push({ 'name': methodName, 'func': lodashFunc });\n\t      }\n\t    });\n\t\n\t    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n\t      'name': 'wrapper',\n\t      'func': undefined\n\t    }];\n\t\n\t    // Add methods to `LazyWrapper`.\n\t    LazyWrapper.prototype.clone = lazyClone;\n\t    LazyWrapper.prototype.reverse = lazyReverse;\n\t    LazyWrapper.prototype.value = lazyValue;\n\t\n\t    // Add chain sequence methods to the `lodash` wrapper.\n\t    lodash.prototype.at = wrapperAt;\n\t    lodash.prototype.chain = wrapperChain;\n\t    lodash.prototype.commit = wrapperCommit;\n\t    lodash.prototype.next = wrapperNext;\n\t    lodash.prototype.plant = wrapperPlant;\n\t    lodash.prototype.reverse = wrapperReverse;\n\t    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\t\n\t    // Add lazy aliases.\n\t    lodash.prototype.first = lodash.prototype.head;\n\t\n\t    if (symIterator) {\n\t      lodash.prototype[symIterator] = wrapperToIterator;\n\t    }\n\t    return lodash;\n\t  });\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  // Export lodash.\n\t  var _ = runInContext();\n\t\n\t  // Some AMD build optimizers, like r.js, check for condition patterns like:\n\t  if (true) {\n\t    // Expose Lodash on the global object to prevent errors when Lodash is\n\t    // loaded by a script tag in the presence of an AMD loader.\n\t    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n\t    // Use `_.noConflict` to remove Lodash from the global object.\n\t    root._ = _;\n\t\n\t    // Define as an anonymous module so, through path mapping, it can be\n\t    // referenced as the \"underscore\" module.\n\t    !(__WEBPACK_AMD_DEFINE_RESULT__ = function() {\n\t      return _;\n\t    }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n\t  }\n\t  // Check for `exports` after `define` in case a build optimizer adds it.\n\t  else if (freeModule) {\n\t    // Export for Node.js.\n\t    (freeModule.exports = _)._ = _;\n\t    // Export for CommonJS support.\n\t    freeExports._ = _;\n\t  }\n\t  else {\n\t    // Export to the global object.\n\t    root._ = _;\n\t  }\n\t}.call(this));\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()), __webpack_require__(10)(module)))\n\n/***/ }),\n/* 107 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(110), __esModule: true };\n\n/***/ }),\n/* 108 */\n/***/ (function(module, exports) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\texports.default = function (instance, Constructor) {\n\t  if (!(instance instanceof Constructor)) {\n\t    throw new TypeError(\"Cannot call a class as a function\");\n\t  }\n\t};\n\n/***/ }),\n/* 109 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\tvar _defineProperty = __webpack_require__(107);\n\t\n\tvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = function () {\n\t  function defineProperties(target, props) {\n\t    for (var i = 0; i < props.length; i++) {\n\t      var descriptor = props[i];\n\t      descriptor.enumerable = descriptor.enumerable || false;\n\t      descriptor.configurable = true;\n\t      if (\"value\" in descriptor) descriptor.writable = true;\n\t      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n\t    }\n\t  }\n\t\n\t  return function (Constructor, protoProps, staticProps) {\n\t    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n\t    if (staticProps) defineProperties(Constructor, staticProps);\n\t    return Constructor;\n\t  };\n\t}();\n\n/***/ }),\n/* 110 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(120);\n\tvar $Object = __webpack_require__(45).Object;\n\tmodule.exports = function defineProperty(it, key, desc) {\n\t  return $Object.defineProperty(it, key, desc);\n\t};\n\n\n/***/ }),\n/* 111 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (it) {\n\t  if (typeof it != 'function') throw TypeError(it + ' is not a function!');\n\t  return it;\n\t};\n\n\n/***/ }),\n/* 112 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar isObject = __webpack_require__(21);\n\tmodule.exports = function (it) {\n\t  if (!isObject(it)) throw TypeError(it + ' is not an object!');\n\t  return it;\n\t};\n\n\n/***/ }),\n/* 113 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// optional / simple context binding\n\tvar aFunction = __webpack_require__(111);\n\tmodule.exports = function (fn, that, length) {\n\t  aFunction(fn);\n\t  if (that === undefined) return fn;\n\t  switch (length) {\n\t    case 1: return function (a) {\n\t      return fn.call(that, a);\n\t    };\n\t    case 2: return function (a, b) {\n\t      return fn.call(that, a, b);\n\t    };\n\t    case 3: return function (a, b, c) {\n\t      return fn.call(that, a, b, c);\n\t    };\n\t  }\n\t  return function (/* ...args */) {\n\t    return fn.apply(that, arguments);\n\t  };\n\t};\n\n\n/***/ }),\n/* 114 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar isObject = __webpack_require__(21);\n\tvar document = __webpack_require__(47).document;\n\t// typeof document.createElement is 'object' in old IE\n\tvar is = isObject(document) && isObject(document.createElement);\n\tmodule.exports = function (it) {\n\t  return is ? document.createElement(it) : {};\n\t};\n\n\n/***/ }),\n/* 115 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar global = __webpack_require__(47);\n\tvar core = __webpack_require__(45);\n\tvar ctx = __webpack_require__(113);\n\tvar hide = __webpack_require__(116);\n\tvar PROTOTYPE = 'prototype';\n\t\n\tvar $export = function (type, name, source) {\n\t  var IS_FORCED = type & $export.F;\n\t  var IS_GLOBAL = type & $export.G;\n\t  var IS_STATIC = type & $export.S;\n\t  var IS_PROTO = type & $export.P;\n\t  var IS_BIND = type & $export.B;\n\t  var IS_WRAP = type & $export.W;\n\t  var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});\n\t  var expProto = exports[PROTOTYPE];\n\t  var target = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE];\n\t  var key, own, out;\n\t  if (IS_GLOBAL) source = name;\n\t  for (key in source) {\n\t    // contains in native\n\t    own = !IS_FORCED && target && target[key] !== undefined;\n\t    if (own && key in exports) continue;\n\t    // export native or passed\n\t    out = own ? target[key] : source[key];\n\t    // prevent global pollution for namespaces\n\t    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n\t    // bind timers to global for call from export context\n\t    : IS_BIND && own ? ctx(out, global)\n\t    // wrap global constructors for prevent change them in library\n\t    : IS_WRAP && target[key] == out ? (function (C) {\n\t      var F = function (a, b, c) {\n\t        if (this instanceof C) {\n\t          switch (arguments.length) {\n\t            case 0: return new C();\n\t            case 1: return new C(a);\n\t            case 2: return new C(a, b);\n\t          } return new C(a, b, c);\n\t        } return C.apply(this, arguments);\n\t      };\n\t      F[PROTOTYPE] = C[PROTOTYPE];\n\t      return F;\n\t    // make static versions for prototype methods\n\t    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n\t    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n\t    if (IS_PROTO) {\n\t      (exports.virtual || (exports.virtual = {}))[key] = out;\n\t      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n\t      if (type & $export.R && expProto && !expProto[key]) hide(expProto, key, out);\n\t    }\n\t  }\n\t};\n\t// type bitmap\n\t$export.F = 1;   // forced\n\t$export.G = 2;   // global\n\t$export.S = 4;   // static\n\t$export.P = 8;   // proto\n\t$export.B = 16;  // bind\n\t$export.W = 32;  // wrap\n\t$export.U = 64;  // safe\n\t$export.R = 128; // real proto method for `library`\n\tmodule.exports = $export;\n\n\n/***/ }),\n/* 116 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar dP = __webpack_require__(48);\n\tvar createDesc = __webpack_require__(118);\n\tmodule.exports = __webpack_require__(15) ? function (object, key, value) {\n\t  return dP.f(object, key, createDesc(1, value));\n\t} : function (object, key, value) {\n\t  object[key] = value;\n\t  return object;\n\t};\n\n\n/***/ }),\n/* 117 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = !__webpack_require__(15) && !__webpack_require__(46)(function () {\n\t  return Object.defineProperty(__webpack_require__(114)('div'), 'a', { get: function () { return 7; } }).a != 7;\n\t});\n\n\n/***/ }),\n/* 118 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (bitmap, value) {\n\t  return {\n\t    enumerable: !(bitmap & 1),\n\t    configurable: !(bitmap & 2),\n\t    writable: !(bitmap & 4),\n\t    value: value\n\t  };\n\t};\n\n\n/***/ }),\n/* 119 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 7.1.1 ToPrimitive(input [, PreferredType])\n\tvar isObject = __webpack_require__(21);\n\t// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n\t// and the second argument - flag - preferred type is a string\n\tmodule.exports = function (it, S) {\n\t  if (!isObject(it)) return it;\n\t  var fn, val;\n\t  if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n\t  if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;\n\t  if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n\t  throw TypeError(\"Can't convert object to primitive value\");\n\t};\n\n\n/***/ }),\n/* 120 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar $export = __webpack_require__(115);\n\t// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n\t$export($export.S + $export.F * !__webpack_require__(15), 'Object', { defineProperty: __webpack_require__(48).f });\n\n\n/***/ }),\n/* 121 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(global, module) {/**\n\t * @license\n\t * Lodash <https://lodash.com/>\n\t * Copyright JS Foundation and other contributors <https://js.foundation/>\n\t * Released under MIT license <https://lodash.com/license>\n\t * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n\t * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n\t */\n\t;(function() {\n\t\n\t  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n\t  var undefined;\n\t\n\t  /** Used as the semantic version number. */\n\t  var VERSION = '4.17.4';\n\t\n\t  /** Used as the size to enable large array optimizations. */\n\t  var LARGE_ARRAY_SIZE = 200;\n\t\n\t  /** Error message constants. */\n\t  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n\t      FUNC_ERROR_TEXT = 'Expected a function';\n\t\n\t  /** Used to stand-in for `undefined` hash values. */\n\t  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\t\n\t  /** Used as the maximum memoize cache size. */\n\t  var MAX_MEMOIZE_SIZE = 500;\n\t\n\t  /** Used as the internal argument placeholder. */\n\t  var PLACEHOLDER = '__lodash_placeholder__';\n\t\n\t  /** Used to compose bitmasks for cloning. */\n\t  var CLONE_DEEP_FLAG = 1,\n\t      CLONE_FLAT_FLAG = 2,\n\t      CLONE_SYMBOLS_FLAG = 4;\n\t\n\t  /** Used to compose bitmasks for value comparisons. */\n\t  var COMPARE_PARTIAL_FLAG = 1,\n\t      COMPARE_UNORDERED_FLAG = 2;\n\t\n\t  /** Used to compose bitmasks for function metadata. */\n\t  var WRAP_BIND_FLAG = 1,\n\t      WRAP_BIND_KEY_FLAG = 2,\n\t      WRAP_CURRY_BOUND_FLAG = 4,\n\t      WRAP_CURRY_FLAG = 8,\n\t      WRAP_CURRY_RIGHT_FLAG = 16,\n\t      WRAP_PARTIAL_FLAG = 32,\n\t      WRAP_PARTIAL_RIGHT_FLAG = 64,\n\t      WRAP_ARY_FLAG = 128,\n\t      WRAP_REARG_FLAG = 256,\n\t      WRAP_FLIP_FLAG = 512;\n\t\n\t  /** Used as default options for `_.truncate`. */\n\t  var DEFAULT_TRUNC_LENGTH = 30,\n\t      DEFAULT_TRUNC_OMISSION = '...';\n\t\n\t  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n\t  var HOT_COUNT = 800,\n\t      HOT_SPAN = 16;\n\t\n\t  /** Used to indicate the type of lazy iteratees. */\n\t  var LAZY_FILTER_FLAG = 1,\n\t      LAZY_MAP_FLAG = 2,\n\t      LAZY_WHILE_FLAG = 3;\n\t\n\t  /** Used as references for various `Number` constants. */\n\t  var INFINITY = 1 / 0,\n\t      MAX_SAFE_INTEGER = 9007199254740991,\n\t      MAX_INTEGER = 1.7976931348623157e+308,\n\t      NAN = 0 / 0;\n\t\n\t  /** Used as references for the maximum length and index of an array. */\n\t  var MAX_ARRAY_LENGTH = 4294967295,\n\t      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n\t      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\t\n\t  /** Used to associate wrap methods with their bit flags. */\n\t  var wrapFlags = [\n\t    ['ary', WRAP_ARY_FLAG],\n\t    ['bind', WRAP_BIND_FLAG],\n\t    ['bindKey', WRAP_BIND_KEY_FLAG],\n\t    ['curry', WRAP_CURRY_FLAG],\n\t    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n\t    ['flip', WRAP_FLIP_FLAG],\n\t    ['partial', WRAP_PARTIAL_FLAG],\n\t    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n\t    ['rearg', WRAP_REARG_FLAG]\n\t  ];\n\t\n\t  /** `Object#toString` result references. */\n\t  var argsTag = '[object Arguments]',\n\t      arrayTag = '[object Array]',\n\t      asyncTag = '[object AsyncFunction]',\n\t      boolTag = '[object Boolean]',\n\t      dateTag = '[object Date]',\n\t      domExcTag = '[object DOMException]',\n\t      errorTag = '[object Error]',\n\t      funcTag = '[object Function]',\n\t      genTag = '[object GeneratorFunction]',\n\t      mapTag = '[object Map]',\n\t      numberTag = '[object Number]',\n\t      nullTag = '[object Null]',\n\t      objectTag = '[object Object]',\n\t      promiseTag = '[object Promise]',\n\t      proxyTag = '[object Proxy]',\n\t      regexpTag = '[object RegExp]',\n\t      setTag = '[object Set]',\n\t      stringTag = '[object String]',\n\t      symbolTag = '[object Symbol]',\n\t      undefinedTag = '[object Undefined]',\n\t      weakMapTag = '[object WeakMap]',\n\t      weakSetTag = '[object WeakSet]';\n\t\n\t  var arrayBufferTag = '[object ArrayBuffer]',\n\t      dataViewTag = '[object DataView]',\n\t      float32Tag = '[object Float32Array]',\n\t      float64Tag = '[object Float64Array]',\n\t      int8Tag = '[object Int8Array]',\n\t      int16Tag = '[object Int16Array]',\n\t      int32Tag = '[object Int32Array]',\n\t      uint8Tag = '[object Uint8Array]',\n\t      uint8ClampedTag = '[object Uint8ClampedArray]',\n\t      uint16Tag = '[object Uint16Array]',\n\t      uint32Tag = '[object Uint32Array]';\n\t\n\t  /** Used to match empty string literals in compiled template source. */\n\t  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n\t      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n\t      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\t\n\t  /** Used to match HTML entities and HTML characters. */\n\t  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n\t      reUnescapedHtml = /[&<>\"']/g,\n\t      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n\t      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\t\n\t  /** Used to match template delimiters. */\n\t  var reEscape = /<%-([\\s\\S]+?)%>/g,\n\t      reEvaluate = /<%([\\s\\S]+?)%>/g,\n\t      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\t\n\t  /** Used to match property names within property paths. */\n\t  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n\t      reIsPlainProp = /^\\w*$/,\n\t      reLeadingDot = /^\\./,\n\t      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\t\n\t  /**\n\t   * Used to match `RegExp`\n\t   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n\t   */\n\t  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n\t      reHasRegExpChar = RegExp(reRegExpChar.source);\n\t\n\t  /** Used to match leading and trailing whitespace. */\n\t  var reTrim = /^\\s+|\\s+$/g,\n\t      reTrimStart = /^\\s+/,\n\t      reTrimEnd = /\\s+$/;\n\t\n\t  /** Used to match wrap detail comments. */\n\t  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n\t      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n\t      reSplitDetails = /,? & /;\n\t\n\t  /** Used to match words composed of alphanumeric characters. */\n\t  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\t\n\t  /** Used to match backslashes in property paths. */\n\t  var reEscapeChar = /\\\\(\\\\)?/g;\n\t\n\t  /**\n\t   * Used to match\n\t   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n\t   */\n\t  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\t\n\t  /** Used to match `RegExp` flags from their coerced string values. */\n\t  var reFlags = /\\w*$/;\n\t\n\t  /** Used to detect bad signed hexadecimal string values. */\n\t  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\t\n\t  /** Used to detect binary string values. */\n\t  var reIsBinary = /^0b[01]+$/i;\n\t\n\t  /** Used to detect host constructors (Safari). */\n\t  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\t\n\t  /** Used to detect octal string values. */\n\t  var reIsOctal = /^0o[0-7]+$/i;\n\t\n\t  /** Used to detect unsigned integer values. */\n\t  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\t\n\t  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n\t  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\t\n\t  /** Used to ensure capturing order of template delimiters. */\n\t  var reNoMatch = /($^)/;\n\t\n\t  /** Used to match unescaped characters in compiled string literals. */\n\t  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\t\n\t  /** Used to compose unicode character classes. */\n\t  var rsAstralRange = '\\\\ud800-\\\\udfff',\n\t      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n\t      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n\t      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n\t      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n\t      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n\t      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n\t      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n\t      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n\t      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n\t      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n\t      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n\t      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n\t      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\t\n\t  /** Used to compose unicode capture groups. */\n\t  var rsApos = \"['\\u2019]\",\n\t      rsAstral = '[' + rsAstralRange + ']',\n\t      rsBreak = '[' + rsBreakRange + ']',\n\t      rsCombo = '[' + rsComboRange + ']',\n\t      rsDigits = '\\\\d+',\n\t      rsDingbat = '[' + rsDingbatRange + ']',\n\t      rsLower = '[' + rsLowerRange + ']',\n\t      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n\t      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n\t      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n\t      rsNonAstral = '[^' + rsAstralRange + ']',\n\t      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n\t      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n\t      rsUpper = '[' + rsUpperRange + ']',\n\t      rsZWJ = '\\\\u200d';\n\t\n\t  /** Used to compose unicode regexes. */\n\t  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n\t      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n\t      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n\t      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n\t      reOptMod = rsModifier + '?',\n\t      rsOptVar = '[' + rsVarRange + ']?',\n\t      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n\t      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n\t      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n\t      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n\t      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n\t      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\t\n\t  /** Used to match apostrophes. */\n\t  var reApos = RegExp(rsApos, 'g');\n\t\n\t  /**\n\t   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n\t   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n\t   */\n\t  var reComboMark = RegExp(rsCombo, 'g');\n\t\n\t  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n\t  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\t\n\t  /** Used to match complex or compound words. */\n\t  var reUnicodeWord = RegExp([\n\t    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n\t    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n\t    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n\t    rsUpper + '+' + rsOptContrUpper,\n\t    rsOrdUpper,\n\t    rsOrdLower,\n\t    rsDigits,\n\t    rsEmoji\n\t  ].join('|'), 'g');\n\t\n\t  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n\t  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\t\n\t  /** Used to detect strings that need a more robust regexp to match words. */\n\t  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\t\n\t  /** Used to assign default `context` object properties. */\n\t  var contextProps = [\n\t    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n\t    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n\t    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n\t    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n\t    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n\t  ];\n\t\n\t  /** Used to make template sourceURLs easier to identify. */\n\t  var templateCounter = -1;\n\t\n\t  /** Used to identify `toStringTag` values of typed arrays. */\n\t  var typedArrayTags = {};\n\t  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n\t  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n\t  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n\t  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n\t  typedArrayTags[uint32Tag] = true;\n\t  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n\t  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n\t  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n\t  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n\t  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n\t  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n\t  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n\t  typedArrayTags[weakMapTag] = false;\n\t\n\t  /** Used to identify `toStringTag` values supported by `_.clone`. */\n\t  var cloneableTags = {};\n\t  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n\t  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n\t  cloneableTags[boolTag] = cloneableTags[dateTag] =\n\t  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n\t  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n\t  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n\t  cloneableTags[numberTag] = cloneableTags[objectTag] =\n\t  cloneableTags[regexpTag] = cloneableTags[setTag] =\n\t  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n\t  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n\t  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n\t  cloneableTags[errorTag] = cloneableTags[funcTag] =\n\t  cloneableTags[weakMapTag] = false;\n\t\n\t  /** Used to map Latin Unicode letters to basic Latin letters. */\n\t  var deburredLetters = {\n\t    // Latin-1 Supplement block.\n\t    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n\t    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n\t    '\\xc7': 'C',  '\\xe7': 'c',\n\t    '\\xd0': 'D',  '\\xf0': 'd',\n\t    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n\t    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n\t    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n\t    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n\t    '\\xd1': 'N',  '\\xf1': 'n',\n\t    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n\t    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n\t    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n\t    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n\t    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n\t    '\\xc6': 'Ae', '\\xe6': 'ae',\n\t    '\\xde': 'Th', '\\xfe': 'th',\n\t    '\\xdf': 'ss',\n\t    // Latin Extended-A block.\n\t    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n\t    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n\t    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n\t    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n\t    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n\t    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n\t    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n\t    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n\t    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n\t    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n\t    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n\t    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n\t    '\\u0134': 'J',  '\\u0135': 'j',\n\t    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n\t    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n\t    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n\t    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n\t    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n\t    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n\t    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n\t    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n\t    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n\t    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n\t    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n\t    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n\t    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n\t    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n\t    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n\t    '\\u0174': 'W',  '\\u0175': 'w',\n\t    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n\t    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n\t    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n\t    '\\u0132': 'IJ', '\\u0133': 'ij',\n\t    '\\u0152': 'Oe', '\\u0153': 'oe',\n\t    '\\u0149': \"'n\", '\\u017f': 's'\n\t  };\n\t\n\t  /** Used to map characters to HTML entities. */\n\t  var htmlEscapes = {\n\t    '&': '&amp;',\n\t    '<': '&lt;',\n\t    '>': '&gt;',\n\t    '\"': '&quot;',\n\t    \"'\": '&#39;'\n\t  };\n\t\n\t  /** Used to map HTML entities to characters. */\n\t  var htmlUnescapes = {\n\t    '&amp;': '&',\n\t    '&lt;': '<',\n\t    '&gt;': '>',\n\t    '&quot;': '\"',\n\t    '&#39;': \"'\"\n\t  };\n\t\n\t  /** Used to escape characters for inclusion in compiled string literals. */\n\t  var stringEscapes = {\n\t    '\\\\': '\\\\',\n\t    \"'\": \"'\",\n\t    '\\n': 'n',\n\t    '\\r': 'r',\n\t    '\\u2028': 'u2028',\n\t    '\\u2029': 'u2029'\n\t  };\n\t\n\t  /** Built-in method references without a dependency on `root`. */\n\t  var freeParseFloat = parseFloat,\n\t      freeParseInt = parseInt;\n\t\n\t  /** Detect free variable `global` from Node.js. */\n\t  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\t\n\t  /** Detect free variable `self`. */\n\t  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\t\n\t  /** Used as a reference to the global object. */\n\t  var root = freeGlobal || freeSelf || Function('return this')();\n\t\n\t  /** Detect free variable `exports`. */\n\t  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\t\n\t  /** Detect free variable `module`. */\n\t  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\t\n\t  /** Detect the popular CommonJS extension `module.exports`. */\n\t  var moduleExports = freeModule && freeModule.exports === freeExports;\n\t\n\t  /** Detect free variable `process` from Node.js. */\n\t  var freeProcess = moduleExports && freeGlobal.process;\n\t\n\t  /** Used to access faster Node.js helpers. */\n\t  var nodeUtil = (function() {\n\t    try {\n\t      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n\t    } catch (e) {}\n\t  }());\n\t\n\t  /* Node.js helper references. */\n\t  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n\t      nodeIsDate = nodeUtil && nodeUtil.isDate,\n\t      nodeIsMap = nodeUtil && nodeUtil.isMap,\n\t      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n\t      nodeIsSet = nodeUtil && nodeUtil.isSet,\n\t      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  /**\n\t   * Adds the key-value `pair` to `map`.\n\t   *\n\t   * @private\n\t   * @param {Object} map The map to modify.\n\t   * @param {Array} pair The key-value pair to add.\n\t   * @returns {Object} Returns `map`.\n\t   */\n\t  function addMapEntry(map, pair) {\n\t    // Don't return `map.set` because it's not chainable in IE 11.\n\t    map.set(pair[0], pair[1]);\n\t    return map;\n\t  }\n\t\n\t  /**\n\t   * Adds `value` to `set`.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to modify.\n\t   * @param {*} value The value to add.\n\t   * @returns {Object} Returns `set`.\n\t   */\n\t  function addSetEntry(set, value) {\n\t    // Don't return `set.add` because it's not chainable in IE 11.\n\t    set.add(value);\n\t    return set;\n\t  }\n\t\n\t  /**\n\t   * A faster alternative to `Function#apply`, this function invokes `func`\n\t   * with the `this` binding of `thisArg` and the arguments of `args`.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to invoke.\n\t   * @param {*} thisArg The `this` binding of `func`.\n\t   * @param {Array} args The arguments to invoke `func` with.\n\t   * @returns {*} Returns the result of `func`.\n\t   */\n\t  function apply(func, thisArg, args) {\n\t    switch (args.length) {\n\t      case 0: return func.call(thisArg);\n\t      case 1: return func.call(thisArg, args[0]);\n\t      case 2: return func.call(thisArg, args[0], args[1]);\n\t      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n\t    }\n\t    return func.apply(thisArg, args);\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `baseAggregator` for arrays.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} setter The function to set `accumulator` values.\n\t   * @param {Function} iteratee The iteratee to transform keys.\n\t   * @param {Object} accumulator The initial aggregated object.\n\t   * @returns {Function} Returns `accumulator`.\n\t   */\n\t  function arrayAggregator(array, setter, iteratee, accumulator) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      setter(accumulator, value, iteratee(value), array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.forEach` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayEach(array, iteratee) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (iteratee(array[index], index, array) === false) {\n\t        break;\n\t      }\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.forEachRight` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayEachRight(array, iteratee) {\n\t    var length = array == null ? 0 : array.length;\n\t\n\t    while (length--) {\n\t      if (iteratee(array[length], length, array) === false) {\n\t        break;\n\t      }\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.every` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t   *  else `false`.\n\t   */\n\t  function arrayEvery(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (!predicate(array[index], index, array)) {\n\t        return false;\n\t      }\n\t    }\n\t    return true;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.filter` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {Array} Returns the new filtered array.\n\t   */\n\t  function arrayFilter(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length,\n\t        resIndex = 0,\n\t        result = [];\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      if (predicate(value, index, array)) {\n\t        result[resIndex++] = value;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.includes` for arrays without support for\n\t   * specifying an index to search from.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to inspect.\n\t   * @param {*} target The value to search for.\n\t   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n\t   */\n\t  function arrayIncludes(array, value) {\n\t    var length = array == null ? 0 : array.length;\n\t    return !!length && baseIndexOf(array, value, 0) > -1;\n\t  }\n\t\n\t  /**\n\t   * This function is like `arrayIncludes` except that it accepts a comparator.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to inspect.\n\t   * @param {*} target The value to search for.\n\t   * @param {Function} comparator The comparator invoked per element.\n\t   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n\t   */\n\t  function arrayIncludesWith(array, value, comparator) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (comparator(value, array[index])) {\n\t        return true;\n\t      }\n\t    }\n\t    return false;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.map` for arrays without support for iteratee\n\t   * shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns the new mapped array.\n\t   */\n\t  function arrayMap(array, iteratee) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length,\n\t        result = Array(length);\n\t\n\t    while (++index < length) {\n\t      result[index] = iteratee(array[index], index, array);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Appends the elements of `values` to `array`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to modify.\n\t   * @param {Array} values The values to append.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayPush(array, values) {\n\t    var index = -1,\n\t        length = values.length,\n\t        offset = array.length;\n\t\n\t    while (++index < length) {\n\t      array[offset + index] = values[index];\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.reduce` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} [accumulator] The initial value.\n\t   * @param {boolean} [initAccum] Specify using the first element of `array` as\n\t   *  the initial value.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function arrayReduce(array, iteratee, accumulator, initAccum) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    if (initAccum && length) {\n\t      accumulator = array[++index];\n\t    }\n\t    while (++index < length) {\n\t      accumulator = iteratee(accumulator, array[index], index, array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.reduceRight` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} [accumulator] The initial value.\n\t   * @param {boolean} [initAccum] Specify using the last element of `array` as\n\t   *  the initial value.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n\t    var length = array == null ? 0 : array.length;\n\t    if (initAccum && length) {\n\t      accumulator = array[--length];\n\t    }\n\t    while (length--) {\n\t      accumulator = iteratee(accumulator, array[length], length, array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.some` for arrays without support for iteratee\n\t   * shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t   *  else `false`.\n\t   */\n\t  function arraySome(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (predicate(array[index], index, array)) {\n\t        return true;\n\t      }\n\t    }\n\t    return false;\n\t  }\n\t\n\t  /**\n\t   * Gets the size of an ASCII `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  var asciiSize = baseProperty('length');\n\t\n\t  /**\n\t   * Converts an ASCII `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function asciiToArray(string) {\n\t    return string.split('');\n\t  }\n\t\n\t  /**\n\t   * Splits an ASCII `string` into an array of its words.\n\t   *\n\t   * @private\n\t   * @param {string} The string to inspect.\n\t   * @returns {Array} Returns the words of `string`.\n\t   */\n\t  function asciiWords(string) {\n\t    return string.match(reAsciiWord) || [];\n\t  }\n\t\n\t  /**\n\t   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n\t   * without support for iteratee shorthands, which iterates over `collection`\n\t   * using `eachFunc`.\n\t   *\n\t   * @private\n\t   * @param {Array|Object} collection The collection to inspect.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @param {Function} eachFunc The function to iterate over `collection`.\n\t   * @returns {*} Returns the found element or its key, else `undefined`.\n\t   */\n\t  function baseFindKey(collection, predicate, eachFunc) {\n\t    var result;\n\t    eachFunc(collection, function(value, key, collection) {\n\t      if (predicate(value, key, collection)) {\n\t        result = key;\n\t        return false;\n\t      }\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n\t   * support for iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @param {boolean} [fromRight] Specify iterating from right to left.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n\t    var length = array.length,\n\t        index = fromIndex + (fromRight ? 1 : -1);\n\t\n\t    while ((fromRight ? index-- : ++index < length)) {\n\t      if (predicate(array[index], index, array)) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseIndexOf(array, value, fromIndex) {\n\t    return value === value\n\t      ? strictIndexOf(array, value, fromIndex)\n\t      : baseFindIndex(array, baseIsNaN, fromIndex);\n\t  }\n\t\n\t  /**\n\t   * This function is like `baseIndexOf` except that it accepts a comparator.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @param {Function} comparator The comparator invoked per element.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseIndexOfWith(array, value, fromIndex, comparator) {\n\t    var index = fromIndex - 1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      if (comparator(array[index], value)) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.isNaN` without support for number objects.\n\t   *\n\t   * @private\n\t   * @param {*} value The value to check.\n\t   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t   */\n\t  function baseIsNaN(value) {\n\t    return value !== value;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.mean` and `_.meanBy` without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {number} Returns the mean.\n\t   */\n\t  function baseMean(array, iteratee) {\n\t    var length = array == null ? 0 : array.length;\n\t    return length ? (baseSum(array, iteratee) / length) : NAN;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.property` without support for deep paths.\n\t   *\n\t   * @private\n\t   * @param {string} key The key of the property to get.\n\t   * @returns {Function} Returns the new accessor function.\n\t   */\n\t  function baseProperty(key) {\n\t    return function(object) {\n\t      return object == null ? undefined : object[key];\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.propertyOf` without support for deep paths.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @returns {Function} Returns the new accessor function.\n\t   */\n\t  function basePropertyOf(object) {\n\t    return function(key) {\n\t      return object == null ? undefined : object[key];\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n\t   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n\t   *\n\t   * @private\n\t   * @param {Array|Object} collection The collection to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} accumulator The initial value.\n\t   * @param {boolean} initAccum Specify using the first or last element of\n\t   *  `collection` as the initial value.\n\t   * @param {Function} eachFunc The function to iterate over `collection`.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n\t    eachFunc(collection, function(value, index, collection) {\n\t      accumulator = initAccum\n\t        ? (initAccum = false, value)\n\t        : iteratee(accumulator, value, index, collection);\n\t    });\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.sortBy` which uses `comparer` to define the\n\t   * sort order of `array` and replaces criteria objects with their corresponding\n\t   * values.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to sort.\n\t   * @param {Function} comparer The function to define sort order.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function baseSortBy(array, comparer) {\n\t    var length = array.length;\n\t\n\t    array.sort(comparer);\n\t    while (length--) {\n\t      array[length] = array[length].value;\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.sum` and `_.sumBy` without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {number} Returns the sum.\n\t   */\n\t  function baseSum(array, iteratee) {\n\t    var result,\n\t        index = -1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      var current = iteratee(array[index]);\n\t      if (current !== undefined) {\n\t        result = result === undefined ? current : (result + current);\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.times` without support for iteratee shorthands\n\t   * or max array length checks.\n\t   *\n\t   * @private\n\t   * @param {number} n The number of times to invoke `iteratee`.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns the array of results.\n\t   */\n\t  function baseTimes(n, iteratee) {\n\t    var index = -1,\n\t        result = Array(n);\n\t\n\t    while (++index < n) {\n\t      result[index] = iteratee(index);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n\t   * of key-value pairs for `object` corresponding to the property names of `props`.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @param {Array} props The property names to get values for.\n\t   * @returns {Object} Returns the key-value pairs.\n\t   */\n\t  function baseToPairs(object, props) {\n\t    return arrayMap(props, function(key) {\n\t      return [key, object[key]];\n\t    });\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.unary` without support for storing metadata.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to cap arguments for.\n\t   * @returns {Function} Returns the new capped function.\n\t   */\n\t  function baseUnary(func) {\n\t    return function(value) {\n\t      return func(value);\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.values` and `_.valuesIn` which creates an\n\t   * array of `object` property values corresponding to the property names\n\t   * of `props`.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @param {Array} props The property names to get values for.\n\t   * @returns {Object} Returns the array of property values.\n\t   */\n\t  function baseValues(object, props) {\n\t    return arrayMap(props, function(key) {\n\t      return object[key];\n\t    });\n\t  }\n\t\n\t  /**\n\t   * Checks if a `cache` value for `key` exists.\n\t   *\n\t   * @private\n\t   * @param {Object} cache The cache to query.\n\t   * @param {string} key The key of the entry to check.\n\t   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t   */\n\t  function cacheHas(cache, key) {\n\t    return cache.has(key);\n\t  }\n\t\n\t  /**\n\t   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n\t   * that is not found in the character symbols.\n\t   *\n\t   * @private\n\t   * @param {Array} strSymbols The string symbols to inspect.\n\t   * @param {Array} chrSymbols The character symbols to find.\n\t   * @returns {number} Returns the index of the first unmatched string symbol.\n\t   */\n\t  function charsStartIndex(strSymbols, chrSymbols) {\n\t    var index = -1,\n\t        length = strSymbols.length;\n\t\n\t    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n\t   * that is not found in the character symbols.\n\t   *\n\t   * @private\n\t   * @param {Array} strSymbols The string symbols to inspect.\n\t   * @param {Array} chrSymbols The character symbols to find.\n\t   * @returns {number} Returns the index of the last unmatched string symbol.\n\t   */\n\t  function charsEndIndex(strSymbols, chrSymbols) {\n\t    var index = strSymbols.length;\n\t\n\t    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Gets the number of `placeholder` occurrences in `array`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} placeholder The placeholder to search for.\n\t   * @returns {number} Returns the placeholder count.\n\t   */\n\t  function countHolders(array, placeholder) {\n\t    var length = array.length,\n\t        result = 0;\n\t\n\t    while (length--) {\n\t      if (array[length] === placeholder) {\n\t        ++result;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n\t   * letters to basic Latin letters.\n\t   *\n\t   * @private\n\t   * @param {string} letter The matched letter to deburr.\n\t   * @returns {string} Returns the deburred letter.\n\t   */\n\t  var deburrLetter = basePropertyOf(deburredLetters);\n\t\n\t  /**\n\t   * Used by `_.escape` to convert characters to HTML entities.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to escape.\n\t   * @returns {string} Returns the escaped character.\n\t   */\n\t  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\t\n\t  /**\n\t   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to escape.\n\t   * @returns {string} Returns the escaped character.\n\t   */\n\t  function escapeStringChar(chr) {\n\t    return '\\\\' + stringEscapes[chr];\n\t  }\n\t\n\t  /**\n\t   * Gets the value at `key` of `object`.\n\t   *\n\t   * @private\n\t   * @param {Object} [object] The object to query.\n\t   * @param {string} key The key of the property to get.\n\t   * @returns {*} Returns the property value.\n\t   */\n\t  function getValue(object, key) {\n\t    return object == null ? undefined : object[key];\n\t  }\n\t\n\t  /**\n\t   * Checks if `string` contains Unicode symbols.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n\t   */\n\t  function hasUnicode(string) {\n\t    return reHasUnicode.test(string);\n\t  }\n\t\n\t  /**\n\t   * Checks if `string` contains a word composed of Unicode symbols.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {boolean} Returns `true` if a word is found, else `false`.\n\t   */\n\t  function hasUnicodeWord(string) {\n\t    return reHasUnicodeWord.test(string);\n\t  }\n\t\n\t  /**\n\t   * Converts `iterator` to an array.\n\t   *\n\t   * @private\n\t   * @param {Object} iterator The iterator to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function iteratorToArray(iterator) {\n\t    var data,\n\t        result = [];\n\t\n\t    while (!(data = iterator.next()).done) {\n\t      result.push(data.value);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `map` to its key-value pairs.\n\t   *\n\t   * @private\n\t   * @param {Object} map The map to convert.\n\t   * @returns {Array} Returns the key-value pairs.\n\t   */\n\t  function mapToArray(map) {\n\t    var index = -1,\n\t        result = Array(map.size);\n\t\n\t    map.forEach(function(value, key) {\n\t      result[++index] = [key, value];\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Creates a unary function that invokes `func` with its argument transformed.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to wrap.\n\t   * @param {Function} transform The argument transform.\n\t   * @returns {Function} Returns the new function.\n\t   */\n\t  function overArg(func, transform) {\n\t    return function(arg) {\n\t      return func(transform(arg));\n\t    };\n\t  }\n\t\n\t  /**\n\t   * Replaces all `placeholder` elements in `array` with an internal placeholder\n\t   * and returns an array of their indexes.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to modify.\n\t   * @param {*} placeholder The placeholder to replace.\n\t   * @returns {Array} Returns the new array of placeholder indexes.\n\t   */\n\t  function replaceHolders(array, placeholder) {\n\t    var index = -1,\n\t        length = array.length,\n\t        resIndex = 0,\n\t        result = [];\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      if (value === placeholder || value === PLACEHOLDER) {\n\t        array[index] = PLACEHOLDER;\n\t        result[resIndex++] = index;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `set` to an array of its values.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to convert.\n\t   * @returns {Array} Returns the values.\n\t   */\n\t  function setToArray(set) {\n\t    var index = -1,\n\t        result = Array(set.size);\n\t\n\t    set.forEach(function(value) {\n\t      result[++index] = value;\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `set` to its value-value pairs.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to convert.\n\t   * @returns {Array} Returns the value-value pairs.\n\t   */\n\t  function setToPairs(set) {\n\t    var index = -1,\n\t        result = Array(set.size);\n\t\n\t    set.forEach(function(value) {\n\t      result[++index] = [value, value];\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.indexOf` which performs strict equality\n\t   * comparisons of values, i.e. `===`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function strictIndexOf(array, value, fromIndex) {\n\t    var index = fromIndex - 1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      if (array[index] === value) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.lastIndexOf` which performs strict equality\n\t   * comparisons of values, i.e. `===`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function strictLastIndexOf(array, value, fromIndex) {\n\t    var index = fromIndex + 1;\n\t    while (index--) {\n\t      if (array[index] === value) {\n\t        return index;\n\t      }\n\t    }\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Gets the number of symbols in `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  function stringSize(string) {\n\t    return hasUnicode(string)\n\t      ? unicodeSize(string)\n\t      : asciiSize(string);\n\t  }\n\t\n\t  /**\n\t   * Converts `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function stringToArray(string) {\n\t    return hasUnicode(string)\n\t      ? unicodeToArray(string)\n\t      : asciiToArray(string);\n\t  }\n\t\n\t  /**\n\t   * Used by `_.unescape` to convert HTML entities to characters.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to unescape.\n\t   * @returns {string} Returns the unescaped character.\n\t   */\n\t  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\t\n\t  /**\n\t   * Gets the size of a Unicode `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  function unicodeSize(string) {\n\t    var result = reUnicode.lastIndex = 0;\n\t    while (reUnicode.test(string)) {\n\t      ++result;\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts a Unicode `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function unicodeToArray(string) {\n\t    return string.match(reUnicode) || [];\n\t  }\n\t\n\t  /**\n\t   * Splits a Unicode `string` into an array of its words.\n\t   *\n\t   * @private\n\t   * @param {string} The string to inspect.\n\t   * @returns {Array} Returns the words of `string`.\n\t   */\n\t  function unicodeWords(string) {\n\t    return string.match(reUnicodeWord) || [];\n\t  }\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  /**\n\t   * Create a new pristine `lodash` function using the `context` object.\n\t   *\n\t   * @static\n\t   * @memberOf _\n\t   * @since 1.1.0\n\t   * @category Util\n\t   * @param {Object} [context=root] The context object.\n\t   * @returns {Function} Returns a new `lodash` function.\n\t   * @example\n\t   *\n\t   * _.mixin({ 'foo': _.constant('foo') });\n\t   *\n\t   * var lodash = _.runInContext();\n\t   * lodash.mixin({ 'bar': lodash.constant('bar') });\n\t   *\n\t   * _.isFunction(_.foo);\n\t   * // => true\n\t   * _.isFunction(_.bar);\n\t   * // => false\n\t   *\n\t   * lodash.isFunction(lodash.foo);\n\t   * // => false\n\t   * lodash.isFunction(lodash.bar);\n\t   * // => true\n\t   *\n\t   * // Create a suped-up `defer` in Node.js.\n\t   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n\t   */\n\t  var runInContext = (function runInContext(context) {\n\t    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\t\n\t    /** Built-in constructor references. */\n\t    var Array = context.Array,\n\t        Date = context.Date,\n\t        Error = context.Error,\n\t        Function = context.Function,\n\t        Math = context.Math,\n\t        Object = context.Object,\n\t        RegExp = context.RegExp,\n\t        String = context.String,\n\t        TypeError = context.TypeError;\n\t\n\t    /** Used for built-in method references. */\n\t    var arrayProto = Array.prototype,\n\t        funcProto = Function.prototype,\n\t        objectProto = Object.prototype;\n\t\n\t    /** Used to detect overreaching core-js shims. */\n\t    var coreJsData = context['__core-js_shared__'];\n\t\n\t    /** Used to resolve the decompiled source of functions. */\n\t    var funcToString = funcProto.toString;\n\t\n\t    /** Used to check objects for own properties. */\n\t    var hasOwnProperty = objectProto.hasOwnProperty;\n\t\n\t    /** Used to generate unique IDs. */\n\t    var idCounter = 0;\n\t\n\t    /** Used to detect methods masquerading as native. */\n\t    var maskSrcKey = (function() {\n\t      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n\t      return uid ? ('Symbol(src)_1.' + uid) : '';\n\t    }());\n\t\n\t    /**\n\t     * Used to resolve the\n\t     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n\t     * of values.\n\t     */\n\t    var nativeObjectToString = objectProto.toString;\n\t\n\t    /** Used to infer the `Object` constructor. */\n\t    var objectCtorString = funcToString.call(Object);\n\t\n\t    /** Used to restore the original `_` reference in `_.noConflict`. */\n\t    var oldDash = root._;\n\t\n\t    /** Used to detect if a method is native. */\n\t    var reIsNative = RegExp('^' +\n\t      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n\t      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n\t    );\n\t\n\t    /** Built-in value references. */\n\t    var Buffer = moduleExports ? context.Buffer : undefined,\n\t        Symbol = context.Symbol,\n\t        Uint8Array = context.Uint8Array,\n\t        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n\t        getPrototype = overArg(Object.getPrototypeOf, Object),\n\t        objectCreate = Object.create,\n\t        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n\t        splice = arrayProto.splice,\n\t        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n\t        symIterator = Symbol ? Symbol.iterator : undefined,\n\t        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\t\n\t    var defineProperty = (function() {\n\t      try {\n\t        var func = getNative(Object, 'defineProperty');\n\t        func({}, '', {});\n\t        return func;\n\t      } catch (e) {}\n\t    }());\n\t\n\t    /** Mocked built-ins. */\n\t    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n\t        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n\t        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\t\n\t    /* Built-in method references for those with the same name as other `lodash` methods. */\n\t    var nativeCeil = Math.ceil,\n\t        nativeFloor = Math.floor,\n\t        nativeGetSymbols = Object.getOwnPropertySymbols,\n\t        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n\t        nativeIsFinite = context.isFinite,\n\t        nativeJoin = arrayProto.join,\n\t        nativeKeys = overArg(Object.keys, Object),\n\t        nativeMax = Math.max,\n\t        nativeMin = Math.min,\n\t        nativeNow = Date.now,\n\t        nativeParseInt = context.parseInt,\n\t        nativeRandom = Math.random,\n\t        nativeReverse = arrayProto.reverse;\n\t\n\t    /* Built-in method references that are verified to be native. */\n\t    var DataView = getNative(context, 'DataView'),\n\t        Map = getNative(context, 'Map'),\n\t        Promise = getNative(context, 'Promise'),\n\t        Set = getNative(context, 'Set'),\n\t        WeakMap = getNative(context, 'WeakMap'),\n\t        nativeCreate = getNative(Object, 'create');\n\t\n\t    /** Used to store function metadata. */\n\t    var metaMap = WeakMap && new WeakMap;\n\t\n\t    /** Used to lookup unminified function names. */\n\t    var realNames = {};\n\t\n\t    /** Used to detect maps, sets, and weakmaps. */\n\t    var dataViewCtorString = toSource(DataView),\n\t        mapCtorString = toSource(Map),\n\t        promiseCtorString = toSource(Promise),\n\t        setCtorString = toSource(Set),\n\t        weakMapCtorString = toSource(WeakMap);\n\t\n\t    /** Used to convert symbols to primitives and strings. */\n\t    var symbolProto = Symbol ? Symbol.prototype : undefined,\n\t        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n\t        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a `lodash` object which wraps `value` to enable implicit method\n\t     * chain sequences. Methods that operate on and return arrays, collections,\n\t     * and functions can be chained together. Methods that retrieve a single value\n\t     * or may return a primitive value will automatically end the chain sequence\n\t     * and return the unwrapped value. Otherwise, the value must be unwrapped\n\t     * with `_#value`.\n\t     *\n\t     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n\t     * enabled using `_.chain`.\n\t     *\n\t     * The execution of chained methods is lazy, that is, it's deferred until\n\t     * `_#value` is implicitly or explicitly called.\n\t     *\n\t     * Lazy evaluation allows several methods to support shortcut fusion.\n\t     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n\t     * the creation of intermediate arrays and can greatly reduce the number of\n\t     * iteratee executions. Sections of a chain sequence qualify for shortcut\n\t     * fusion if the section is applied to an array and iteratees accept only\n\t     * one argument. The heuristic for whether a section qualifies for shortcut\n\t     * fusion is subject to change.\n\t     *\n\t     * Chaining is supported in custom builds as long as the `_#value` method is\n\t     * directly or indirectly included in the build.\n\t     *\n\t     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n\t     *\n\t     * The wrapper `Array` methods are:\n\t     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n\t     *\n\t     * The wrapper `String` methods are:\n\t     * `replace` and `split`\n\t     *\n\t     * The wrapper methods that support shortcut fusion are:\n\t     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n\t     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n\t     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n\t     *\n\t     * The chainable wrapper methods are:\n\t     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n\t     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n\t     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n\t     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n\t     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n\t     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n\t     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n\t     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n\t     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n\t     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n\t     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n\t     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n\t     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n\t     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n\t     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n\t     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n\t     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n\t     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n\t     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n\t     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n\t     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n\t     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n\t     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n\t     * `zipObject`, `zipObjectDeep`, and `zipWith`\n\t     *\n\t     * The wrapper methods that are **not** chainable by default are:\n\t     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n\t     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n\t     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n\t     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n\t     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n\t     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n\t     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n\t     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n\t     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n\t     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n\t     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n\t     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n\t     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n\t     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n\t     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n\t     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n\t     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n\t     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n\t     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n\t     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n\t     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n\t     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n\t     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n\t     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n\t     * `upperFirst`, `value`, and `words`\n\t     *\n\t     * @name _\n\t     * @constructor\n\t     * @category Seq\n\t     * @param {*} value The value to wrap in a `lodash` instance.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var wrapped = _([1, 2, 3]);\n\t     *\n\t     * // Returns an unwrapped value.\n\t     * wrapped.reduce(_.add);\n\t     * // => 6\n\t     *\n\t     * // Returns a wrapped value.\n\t     * var squares = wrapped.map(square);\n\t     *\n\t     * _.isArray(squares);\n\t     * // => false\n\t     *\n\t     * _.isArray(squares.value());\n\t     * // => true\n\t     */\n\t    function lodash(value) {\n\t      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n\t        if (value instanceof LodashWrapper) {\n\t          return value;\n\t        }\n\t        if (hasOwnProperty.call(value, '__wrapped__')) {\n\t          return wrapperClone(value);\n\t        }\n\t      }\n\t      return new LodashWrapper(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.create` without support for assigning\n\t     * properties to the created object.\n\t     *\n\t     * @private\n\t     * @param {Object} proto The object to inherit from.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    var baseCreate = (function() {\n\t      function object() {}\n\t      return function(proto) {\n\t        if (!isObject(proto)) {\n\t          return {};\n\t        }\n\t        if (objectCreate) {\n\t          return objectCreate(proto);\n\t        }\n\t        object.prototype = proto;\n\t        var result = new object;\n\t        object.prototype = undefined;\n\t        return result;\n\t      };\n\t    }());\n\t\n\t    /**\n\t     * The function whose prototype chain sequence wrappers inherit from.\n\t     *\n\t     * @private\n\t     */\n\t    function baseLodash() {\n\t      // No operation performed.\n\t    }\n\t\n\t    /**\n\t     * The base constructor for creating `lodash` wrapper objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to wrap.\n\t     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n\t     */\n\t    function LodashWrapper(value, chainAll) {\n\t      this.__wrapped__ = value;\n\t      this.__actions__ = [];\n\t      this.__chain__ = !!chainAll;\n\t      this.__index__ = 0;\n\t      this.__values__ = undefined;\n\t    }\n\t\n\t    /**\n\t     * By default, the template delimiters used by lodash are like those in\n\t     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n\t     * following template settings to use alternative delimiters.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @type {Object}\n\t     */\n\t    lodash.templateSettings = {\n\t\n\t      /**\n\t       * Used to detect `data` property values to be HTML-escaped.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'escape': reEscape,\n\t\n\t      /**\n\t       * Used to detect code to be evaluated.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'evaluate': reEvaluate,\n\t\n\t      /**\n\t       * Used to detect `data` property values to inject.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'interpolate': reInterpolate,\n\t\n\t      /**\n\t       * Used to reference the data object in the template text.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {string}\n\t       */\n\t      'variable': '',\n\t\n\t      /**\n\t       * Used to import variables into the compiled template.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {Object}\n\t       */\n\t      'imports': {\n\t\n\t        /**\n\t         * A reference to the `lodash` function.\n\t         *\n\t         * @memberOf _.templateSettings.imports\n\t         * @type {Function}\n\t         */\n\t        '_': lodash\n\t      }\n\t    };\n\t\n\t    // Ensure wrappers are instances of `baseLodash`.\n\t    lodash.prototype = baseLodash.prototype;\n\t    lodash.prototype.constructor = lodash;\n\t\n\t    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n\t    LodashWrapper.prototype.constructor = LodashWrapper;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {*} value The value to wrap.\n\t     */\n\t    function LazyWrapper(value) {\n\t      this.__wrapped__ = value;\n\t      this.__actions__ = [];\n\t      this.__dir__ = 1;\n\t      this.__filtered__ = false;\n\t      this.__iteratees__ = [];\n\t      this.__takeCount__ = MAX_ARRAY_LENGTH;\n\t      this.__views__ = [];\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the lazy wrapper object.\n\t     *\n\t     * @private\n\t     * @name clone\n\t     * @memberOf LazyWrapper\n\t     * @returns {Object} Returns the cloned `LazyWrapper` object.\n\t     */\n\t    function lazyClone() {\n\t      var result = new LazyWrapper(this.__wrapped__);\n\t      result.__actions__ = copyArray(this.__actions__);\n\t      result.__dir__ = this.__dir__;\n\t      result.__filtered__ = this.__filtered__;\n\t      result.__iteratees__ = copyArray(this.__iteratees__);\n\t      result.__takeCount__ = this.__takeCount__;\n\t      result.__views__ = copyArray(this.__views__);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Reverses the direction of lazy iteration.\n\t     *\n\t     * @private\n\t     * @name reverse\n\t     * @memberOf LazyWrapper\n\t     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n\t     */\n\t    function lazyReverse() {\n\t      if (this.__filtered__) {\n\t        var result = new LazyWrapper(this);\n\t        result.__dir__ = -1;\n\t        result.__filtered__ = true;\n\t      } else {\n\t        result = this.clone();\n\t        result.__dir__ *= -1;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Extracts the unwrapped value from its lazy wrapper.\n\t     *\n\t     * @private\n\t     * @name value\n\t     * @memberOf LazyWrapper\n\t     * @returns {*} Returns the unwrapped value.\n\t     */\n\t    function lazyValue() {\n\t      var array = this.__wrapped__.value(),\n\t          dir = this.__dir__,\n\t          isArr = isArray(array),\n\t          isRight = dir < 0,\n\t          arrLength = isArr ? array.length : 0,\n\t          view = getView(0, arrLength, this.__views__),\n\t          start = view.start,\n\t          end = view.end,\n\t          length = end - start,\n\t          index = isRight ? end : (start - 1),\n\t          iteratees = this.__iteratees__,\n\t          iterLength = iteratees.length,\n\t          resIndex = 0,\n\t          takeCount = nativeMin(length, this.__takeCount__);\n\t\n\t      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n\t        return baseWrapperValue(array, this.__actions__);\n\t      }\n\t      var result = [];\n\t\n\t      outer:\n\t      while (length-- && resIndex < takeCount) {\n\t        index += dir;\n\t\n\t        var iterIndex = -1,\n\t            value = array[index];\n\t\n\t        while (++iterIndex < iterLength) {\n\t          var data = iteratees[iterIndex],\n\t              iteratee = data.iteratee,\n\t              type = data.type,\n\t              computed = iteratee(value);\n\t\n\t          if (type == LAZY_MAP_FLAG) {\n\t            value = computed;\n\t          } else if (!computed) {\n\t            if (type == LAZY_FILTER_FLAG) {\n\t              continue outer;\n\t            } else {\n\t              break outer;\n\t            }\n\t          }\n\t        }\n\t        result[resIndex++] = value;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n\t    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n\t    LazyWrapper.prototype.constructor = LazyWrapper;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a hash object.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function Hash(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the hash.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf Hash\n\t     */\n\t    function hashClear() {\n\t      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the hash.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf Hash\n\t     * @param {Object} hash The hash to modify.\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function hashDelete(key) {\n\t      var result = this.has(key) && delete this.__data__[key];\n\t      this.size -= result ? 1 : 0;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the hash value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function hashGet(key) {\n\t      var data = this.__data__;\n\t      if (nativeCreate) {\n\t        var result = data[key];\n\t        return result === HASH_UNDEFINED ? undefined : result;\n\t      }\n\t      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n\t    }\n\t\n\t    /**\n\t     * Checks if a hash value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function hashHas(key) {\n\t      var data = this.__data__;\n\t      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n\t    }\n\t\n\t    /**\n\t     * Sets the hash `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the hash instance.\n\t     */\n\t    function hashSet(key, value) {\n\t      var data = this.__data__;\n\t      this.size += this.has(key) ? 0 : 1;\n\t      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `Hash`.\n\t    Hash.prototype.clear = hashClear;\n\t    Hash.prototype['delete'] = hashDelete;\n\t    Hash.prototype.get = hashGet;\n\t    Hash.prototype.has = hashHas;\n\t    Hash.prototype.set = hashSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an list cache object.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function ListCache(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the list cache.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf ListCache\n\t     */\n\t    function listCacheClear() {\n\t      this.__data__ = [];\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the list cache.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function listCacheDelete(key) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      if (index < 0) {\n\t        return false;\n\t      }\n\t      var lastIndex = data.length - 1;\n\t      if (index == lastIndex) {\n\t        data.pop();\n\t      } else {\n\t        splice.call(data, index, 1);\n\t      }\n\t      --this.size;\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Gets the list cache value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function listCacheGet(key) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      return index < 0 ? undefined : data[index][1];\n\t    }\n\t\n\t    /**\n\t     * Checks if a list cache value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function listCacheHas(key) {\n\t      return assocIndexOf(this.__data__, key) > -1;\n\t    }\n\t\n\t    /**\n\t     * Sets the list cache `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the list cache instance.\n\t     */\n\t    function listCacheSet(key, value) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      if (index < 0) {\n\t        ++this.size;\n\t        data.push([key, value]);\n\t      } else {\n\t        data[index][1] = value;\n\t      }\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `ListCache`.\n\t    ListCache.prototype.clear = listCacheClear;\n\t    ListCache.prototype['delete'] = listCacheDelete;\n\t    ListCache.prototype.get = listCacheGet;\n\t    ListCache.prototype.has = listCacheHas;\n\t    ListCache.prototype.set = listCacheSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a map cache object to store key-value pairs.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function MapCache(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the map.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf MapCache\n\t     */\n\t    function mapCacheClear() {\n\t      this.size = 0;\n\t      this.__data__ = {\n\t        'hash': new Hash,\n\t        'map': new (Map || ListCache),\n\t        'string': new Hash\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the map.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function mapCacheDelete(key) {\n\t      var result = getMapData(this, key)['delete'](key);\n\t      this.size -= result ? 1 : 0;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the map value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function mapCacheGet(key) {\n\t      return getMapData(this, key).get(key);\n\t    }\n\t\n\t    /**\n\t     * Checks if a map value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function mapCacheHas(key) {\n\t      return getMapData(this, key).has(key);\n\t    }\n\t\n\t    /**\n\t     * Sets the map `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the map cache instance.\n\t     */\n\t    function mapCacheSet(key, value) {\n\t      var data = getMapData(this, key),\n\t          size = data.size;\n\t\n\t      data.set(key, value);\n\t      this.size += data.size == size ? 0 : 1;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `MapCache`.\n\t    MapCache.prototype.clear = mapCacheClear;\n\t    MapCache.prototype['delete'] = mapCacheDelete;\n\t    MapCache.prototype.get = mapCacheGet;\n\t    MapCache.prototype.has = mapCacheHas;\n\t    MapCache.prototype.set = mapCacheSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     *\n\t     * Creates an array cache object to store unique values.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [values] The values to cache.\n\t     */\n\t    function SetCache(values) {\n\t      var index = -1,\n\t          length = values == null ? 0 : values.length;\n\t\n\t      this.__data__ = new MapCache;\n\t      while (++index < length) {\n\t        this.add(values[index]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Adds `value` to the array cache.\n\t     *\n\t     * @private\n\t     * @name add\n\t     * @memberOf SetCache\n\t     * @alias push\n\t     * @param {*} value The value to cache.\n\t     * @returns {Object} Returns the cache instance.\n\t     */\n\t    function setCacheAdd(value) {\n\t      this.__data__.set(value, HASH_UNDEFINED);\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is in the array cache.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf SetCache\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns `true` if `value` is found, else `false`.\n\t     */\n\t    function setCacheHas(value) {\n\t      return this.__data__.has(value);\n\t    }\n\t\n\t    // Add methods to `SetCache`.\n\t    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n\t    SetCache.prototype.has = setCacheHas;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a stack cache object to store key-value pairs.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function Stack(entries) {\n\t      var data = this.__data__ = new ListCache(entries);\n\t      this.size = data.size;\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the stack.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf Stack\n\t     */\n\t    function stackClear() {\n\t      this.__data__ = new ListCache;\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the stack.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function stackDelete(key) {\n\t      var data = this.__data__,\n\t          result = data['delete'](key);\n\t\n\t      this.size = data.size;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the stack value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function stackGet(key) {\n\t      return this.__data__.get(key);\n\t    }\n\t\n\t    /**\n\t     * Checks if a stack value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function stackHas(key) {\n\t      return this.__data__.has(key);\n\t    }\n\t\n\t    /**\n\t     * Sets the stack `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the stack cache instance.\n\t     */\n\t    function stackSet(key, value) {\n\t      var data = this.__data__;\n\t      if (data instanceof ListCache) {\n\t        var pairs = data.__data__;\n\t        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n\t          pairs.push([key, value]);\n\t          this.size = ++data.size;\n\t          return this;\n\t        }\n\t        data = this.__data__ = new MapCache(pairs);\n\t      }\n\t      data.set(key, value);\n\t      this.size = data.size;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `Stack`.\n\t    Stack.prototype.clear = stackClear;\n\t    Stack.prototype['delete'] = stackDelete;\n\t    Stack.prototype.get = stackGet;\n\t    Stack.prototype.has = stackHas;\n\t    Stack.prototype.set = stackSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an array of the enumerable property names of the array-like `value`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @param {boolean} inherited Specify returning inherited property names.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function arrayLikeKeys(value, inherited) {\n\t      var isArr = isArray(value),\n\t          isArg = !isArr && isArguments(value),\n\t          isBuff = !isArr && !isArg && isBuffer(value),\n\t          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n\t          skipIndexes = isArr || isArg || isBuff || isType,\n\t          result = skipIndexes ? baseTimes(value.length, String) : [],\n\t          length = result.length;\n\t\n\t      for (var key in value) {\n\t        if ((inherited || hasOwnProperty.call(value, key)) &&\n\t            !(skipIndexes && (\n\t               // Safari 9 has enumerable `arguments.length` in strict mode.\n\t               key == 'length' ||\n\t               // Node.js 0.10 has enumerable non-index properties on buffers.\n\t               (isBuff && (key == 'offset' || key == 'parent')) ||\n\t               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n\t               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n\t               // Skip index properties.\n\t               isIndex(key, length)\n\t            ))) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.sample` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to sample.\n\t     * @returns {*} Returns the random element.\n\t     */\n\t    function arraySample(array) {\n\t      var length = array.length;\n\t      return length ? array[baseRandom(0, length - 1)] : undefined;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.sampleSize` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to sample.\n\t     * @param {number} n The number of elements to sample.\n\t     * @returns {Array} Returns the random elements.\n\t     */\n\t    function arraySampleSize(array, n) {\n\t      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.shuffle` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     */\n\t    function arrayShuffle(array) {\n\t      return shuffleSelf(copyArray(array));\n\t    }\n\t\n\t    /**\n\t     * This function is like `assignValue` except that it doesn't assign\n\t     * `undefined` values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function assignMergeValue(object, key, value) {\n\t      if ((value !== undefined && !eq(object[key], value)) ||\n\t          (value === undefined && !(key in object))) {\n\t        baseAssignValue(object, key, value);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function assignValue(object, key, value) {\n\t      var objValue = object[key];\n\t      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n\t          (value === undefined && !(key in object))) {\n\t        baseAssignValue(object, key, value);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Gets the index at which the `key` is found in `array` of key-value pairs.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} key The key to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     */\n\t    function assocIndexOf(array, key) {\n\t      var length = array.length;\n\t      while (length--) {\n\t        if (eq(array[length][0], key)) {\n\t          return length;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * Aggregates elements of `collection` on `accumulator` with keys transformed\n\t     * by `iteratee` and values set by `setter`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} setter The function to set `accumulator` values.\n\t     * @param {Function} iteratee The iteratee to transform keys.\n\t     * @param {Object} accumulator The initial aggregated object.\n\t     * @returns {Function} Returns `accumulator`.\n\t     */\n\t    function baseAggregator(collection, setter, iteratee, accumulator) {\n\t      baseEach(collection, function(value, key, collection) {\n\t        setter(accumulator, value, iteratee(value), collection);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.assign` without support for multiple sources\n\t     * or `customizer` functions.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseAssign(object, source) {\n\t      return object && copyObject(source, keys(source), object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.assignIn` without support for multiple sources\n\t     * or `customizer` functions.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseAssignIn(object, source) {\n\t      return object && copyObject(source, keysIn(source), object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `assignValue` and `assignMergeValue` without\n\t     * value checks.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function baseAssignValue(object, key, value) {\n\t      if (key == '__proto__' && defineProperty) {\n\t        defineProperty(object, key, {\n\t          'configurable': true,\n\t          'enumerable': true,\n\t          'value': value,\n\t          'writable': true\n\t        });\n\t      } else {\n\t        object[key] = value;\n\t      }\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.at` without support for individual paths.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @returns {Array} Returns the picked elements.\n\t     */\n\t    function baseAt(object, paths) {\n\t      var index = -1,\n\t          length = paths.length,\n\t          result = Array(length),\n\t          skip = object == null;\n\t\n\t      while (++index < length) {\n\t        result[index] = skip ? undefined : get(object, paths[index]);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.clamp` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} number The number to clamp.\n\t     * @param {number} [lower] The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the clamped number.\n\t     */\n\t    function baseClamp(number, lower, upper) {\n\t      if (number === number) {\n\t        if (upper !== undefined) {\n\t          number = number <= upper ? number : upper;\n\t        }\n\t        if (lower !== undefined) {\n\t          number = number >= lower ? number : lower;\n\t        }\n\t      }\n\t      return number;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n\t     * traversed objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to clone.\n\t     * @param {boolean} bitmask The bitmask flags.\n\t     *  1 - Deep clone\n\t     *  2 - Flatten inherited properties\n\t     *  4 - Clone symbols\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @param {string} [key] The key of `value`.\n\t     * @param {Object} [object] The parent object of `value`.\n\t     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n\t     * @returns {*} Returns the cloned value.\n\t     */\n\t    function baseClone(value, bitmask, customizer, key, object, stack) {\n\t      var result,\n\t          isDeep = bitmask & CLONE_DEEP_FLAG,\n\t          isFlat = bitmask & CLONE_FLAT_FLAG,\n\t          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\t\n\t      if (customizer) {\n\t        result = object ? customizer(value, key, object, stack) : customizer(value);\n\t      }\n\t      if (result !== undefined) {\n\t        return result;\n\t      }\n\t      if (!isObject(value)) {\n\t        return value;\n\t      }\n\t      var isArr = isArray(value);\n\t      if (isArr) {\n\t        result = initCloneArray(value);\n\t        if (!isDeep) {\n\t          return copyArray(value, result);\n\t        }\n\t      } else {\n\t        var tag = getTag(value),\n\t            isFunc = tag == funcTag || tag == genTag;\n\t\n\t        if (isBuffer(value)) {\n\t          return cloneBuffer(value, isDeep);\n\t        }\n\t        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n\t          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n\t          if (!isDeep) {\n\t            return isFlat\n\t              ? copySymbolsIn(value, baseAssignIn(result, value))\n\t              : copySymbols(value, baseAssign(result, value));\n\t          }\n\t        } else {\n\t          if (!cloneableTags[tag]) {\n\t            return object ? value : {};\n\t          }\n\t          result = initCloneByTag(value, tag, baseClone, isDeep);\n\t        }\n\t      }\n\t      // Check for circular references and return its corresponding clone.\n\t      stack || (stack = new Stack);\n\t      var stacked = stack.get(value);\n\t      if (stacked) {\n\t        return stacked;\n\t      }\n\t      stack.set(value, result);\n\t\n\t      var keysFunc = isFull\n\t        ? (isFlat ? getAllKeysIn : getAllKeys)\n\t        : (isFlat ? keysIn : keys);\n\t\n\t      var props = isArr ? undefined : keysFunc(value);\n\t      arrayEach(props || value, function(subValue, key) {\n\t        if (props) {\n\t          key = subValue;\n\t          subValue = value[key];\n\t        }\n\t        // Recursively populate clone (susceptible to call stack limits).\n\t        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.conforms` which doesn't clone `source`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseConforms(source) {\n\t      var props = keys(source);\n\t      return function(object) {\n\t        return baseConformsTo(object, source, props);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.conformsTo` which accepts `props` to check.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n\t     */\n\t    function baseConformsTo(object, source, props) {\n\t      var length = props.length;\n\t      if (object == null) {\n\t        return !length;\n\t      }\n\t      object = Object(object);\n\t      while (length--) {\n\t        var key = props[length],\n\t            predicate = source[key],\n\t            value = object[key];\n\t\n\t        if ((value === undefined && !(key in object)) || !predicate(value)) {\n\t          return false;\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n\t     * to provide to `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @param {Array} args The arguments to provide to `func`.\n\t     * @returns {number|Object} Returns the timer id or timeout object.\n\t     */\n\t    function baseDelay(func, wait, args) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      return setTimeout(function() { func.apply(undefined, args); }, wait);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.difference` without support\n\t     * for excluding multiple arrays or iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Array} values The values to exclude.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     */\n\t    function baseDifference(array, values, iteratee, comparator) {\n\t      var index = -1,\n\t          includes = arrayIncludes,\n\t          isCommon = true,\n\t          length = array.length,\n\t          result = [],\n\t          valuesLength = values.length;\n\t\n\t      if (!length) {\n\t        return result;\n\t      }\n\t      if (iteratee) {\n\t        values = arrayMap(values, baseUnary(iteratee));\n\t      }\n\t      if (comparator) {\n\t        includes = arrayIncludesWith;\n\t        isCommon = false;\n\t      }\n\t      else if (values.length >= LARGE_ARRAY_SIZE) {\n\t        includes = cacheHas;\n\t        isCommon = false;\n\t        values = new SetCache(values);\n\t      }\n\t      outer:\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee == null ? value : iteratee(value);\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (isCommon && computed === computed) {\n\t          var valuesIndex = valuesLength;\n\t          while (valuesIndex--) {\n\t            if (values[valuesIndex] === computed) {\n\t              continue outer;\n\t            }\n\t          }\n\t          result.push(value);\n\t        }\n\t        else if (!includes(values, computed, comparator)) {\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.forEach` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     */\n\t    var baseEach = createBaseEach(baseForOwn);\n\t\n\t    /**\n\t     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     */\n\t    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\t\n\t    /**\n\t     * The base implementation of `_.every` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t     *  else `false`\n\t     */\n\t    function baseEvery(collection, predicate) {\n\t      var result = true;\n\t      baseEach(collection, function(value, index, collection) {\n\t        result = !!predicate(value, index, collection);\n\t        return result;\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.max` and `_.min` which accepts a\n\t     * `comparator` to determine the extremum value.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} iteratee The iteratee invoked per iteration.\n\t     * @param {Function} comparator The comparator used to compare values.\n\t     * @returns {*} Returns the extremum value.\n\t     */\n\t    function baseExtremum(array, iteratee, comparator) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            current = iteratee(value);\n\t\n\t        if (current != null && (computed === undefined\n\t              ? (current === current && !isSymbol(current))\n\t              : comparator(current, computed)\n\t            )) {\n\t          var computed = current,\n\t              result = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.fill` without an iteratee call guard.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to fill.\n\t     * @param {*} value The value to fill `array` with.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function baseFill(array, value, start, end) {\n\t      var length = array.length;\n\t\n\t      start = toInteger(start);\n\t      if (start < 0) {\n\t        start = -start > length ? 0 : (length + start);\n\t      }\n\t      end = (end === undefined || end > length) ? length : toInteger(end);\n\t      if (end < 0) {\n\t        end += length;\n\t      }\n\t      end = start > end ? 0 : toLength(end);\n\t      while (start < end) {\n\t        array[start++] = value;\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.filter` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     */\n\t    function baseFilter(collection, predicate) {\n\t      var result = [];\n\t      baseEach(collection, function(value, index, collection) {\n\t        if (predicate(value, index, collection)) {\n\t          result.push(value);\n\t        }\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.flatten` with support for restricting flattening.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to flatten.\n\t     * @param {number} depth The maximum recursion depth.\n\t     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n\t     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n\t     * @param {Array} [result=[]] The initial result value.\n\t     * @returns {Array} Returns the new flattened array.\n\t     */\n\t    function baseFlatten(array, depth, predicate, isStrict, result) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      predicate || (predicate = isFlattenable);\n\t      result || (result = []);\n\t\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (depth > 0 && predicate(value)) {\n\t          if (depth > 1) {\n\t            // Recursively flatten arrays (susceptible to call stack limits).\n\t            baseFlatten(value, depth - 1, predicate, isStrict, result);\n\t          } else {\n\t            arrayPush(result, value);\n\t          }\n\t        } else if (!isStrict) {\n\t          result[result.length] = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `baseForOwn` which iterates over `object`\n\t     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    var baseFor = createBaseFor();\n\t\n\t    /**\n\t     * This function is like `baseFor` except that it iterates over properties\n\t     * in the opposite order.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    var baseForRight = createBaseFor(true);\n\t\n\t    /**\n\t     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseForOwn(object, iteratee) {\n\t      return object && baseFor(object, iteratee, keys);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseForOwnRight(object, iteratee) {\n\t      return object && baseForRight(object, iteratee, keys);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.functions` which creates an array of\n\t     * `object` function property names filtered from `props`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Array} props The property names to filter.\n\t     * @returns {Array} Returns the function names.\n\t     */\n\t    function baseFunctions(object, props) {\n\t      return arrayFilter(props, function(key) {\n\t        return isFunction(object[key]);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.get` without support for default values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {*} Returns the resolved value.\n\t     */\n\t    function baseGet(object, path) {\n\t      path = castPath(path, object);\n\t\n\t      var index = 0,\n\t          length = path.length;\n\t\n\t      while (object != null && index < length) {\n\t        object = object[toKey(path[index++])];\n\t      }\n\t      return (index && index == length) ? object : undefined;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n\t     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n\t     * symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n\t      var result = keysFunc(object);\n\t      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `getTag` without fallbacks for buggy environments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the `toStringTag`.\n\t     */\n\t    function baseGetTag(value) {\n\t      if (value == null) {\n\t        return value === undefined ? undefinedTag : nullTag;\n\t      }\n\t      return (symToStringTag && symToStringTag in Object(value))\n\t        ? getRawTag(value)\n\t        : objectToString(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.gt` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t     *  else `false`.\n\t     */\n\t    function baseGt(value, other) {\n\t      return value > other;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.has` without support for deep paths.\n\t     *\n\t     * @private\n\t     * @param {Object} [object] The object to query.\n\t     * @param {Array|string} key The key to check.\n\t     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n\t     */\n\t    function baseHas(object, key) {\n\t      return object != null && hasOwnProperty.call(object, key);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.hasIn` without support for deep paths.\n\t     *\n\t     * @private\n\t     * @param {Object} [object] The object to query.\n\t     * @param {Array|string} key The key to check.\n\t     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n\t     */\n\t    function baseHasIn(object, key) {\n\t      return object != null && key in Object(object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.inRange` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} number The number to check.\n\t     * @param {number} start The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t     */\n\t    function baseInRange(number, start, end) {\n\t      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.intersection`, without support\n\t     * for iteratee shorthands, that accepts an array of arrays to inspect.\n\t     *\n\t     * @private\n\t     * @param {Array} arrays The arrays to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of shared values.\n\t     */\n\t    function baseIntersection(arrays, iteratee, comparator) {\n\t      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n\t          length = arrays[0].length,\n\t          othLength = arrays.length,\n\t          othIndex = othLength,\n\t          caches = Array(othLength),\n\t          maxLength = Infinity,\n\t          result = [];\n\t\n\t      while (othIndex--) {\n\t        var array = arrays[othIndex];\n\t        if (othIndex && iteratee) {\n\t          array = arrayMap(array, baseUnary(iteratee));\n\t        }\n\t        maxLength = nativeMin(array.length, maxLength);\n\t        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n\t          ? new SetCache(othIndex && array)\n\t          : undefined;\n\t      }\n\t      array = arrays[0];\n\t\n\t      var index = -1,\n\t          seen = caches[0];\n\t\n\t      outer:\n\t      while (++index < length && result.length < maxLength) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (!(seen\n\t              ? cacheHas(seen, computed)\n\t              : includes(result, computed, comparator)\n\t            )) {\n\t          othIndex = othLength;\n\t          while (--othIndex) {\n\t            var cache = caches[othIndex];\n\t            if (!(cache\n\t                  ? cacheHas(cache, computed)\n\t                  : includes(arrays[othIndex], computed, comparator))\n\t                ) {\n\t              continue outer;\n\t            }\n\t          }\n\t          if (seen) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.invert` and `_.invertBy` which inverts\n\t     * `object` with values transformed by `iteratee` and set by `setter`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} setter The function to set `accumulator` values.\n\t     * @param {Function} iteratee The iteratee to transform values.\n\t     * @param {Object} accumulator The initial inverted object.\n\t     * @returns {Function} Returns `accumulator`.\n\t     */\n\t    function baseInverter(object, setter, iteratee, accumulator) {\n\t      baseForOwn(object, function(value, key, object) {\n\t        setter(accumulator, iteratee(value), key, object);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.invoke` without support for individual\n\t     * method arguments.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {Array} args The arguments to invoke the method with.\n\t     * @returns {*} Returns the result of the invoked method.\n\t     */\n\t    function baseInvoke(object, path, args) {\n\t      path = castPath(path, object);\n\t      object = parent(object, path);\n\t      var func = object == null ? object : object[toKey(last(path))];\n\t      return func == null ? undefined : apply(func, object, args);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isArguments`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n\t     */\n\t    function baseIsArguments(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == argsTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n\t     */\n\t    function baseIsArrayBuffer(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isDate` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n\t     */\n\t    function baseIsDate(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == dateTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isEqual` which supports partial comparisons\n\t     * and tracks traversed objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @param {boolean} bitmask The bitmask flags.\n\t     *  1 - Unordered comparison\n\t     *  2 - Partial comparison\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     */\n\t    function baseIsEqual(value, other, bitmask, customizer, stack) {\n\t      if (value === other) {\n\t        return true;\n\t      }\n\t      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n\t        return value !== value && other !== other;\n\t      }\n\t      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqual` for arrays and objects which performs\n\t     * deep comparisons and tracks traversed objects enabling objects with circular\n\t     * references to be compared.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n\t      var objIsArr = isArray(object),\n\t          othIsArr = isArray(other),\n\t          objTag = objIsArr ? arrayTag : getTag(object),\n\t          othTag = othIsArr ? arrayTag : getTag(other);\n\t\n\t      objTag = objTag == argsTag ? objectTag : objTag;\n\t      othTag = othTag == argsTag ? objectTag : othTag;\n\t\n\t      var objIsObj = objTag == objectTag,\n\t          othIsObj = othTag == objectTag,\n\t          isSameTag = objTag == othTag;\n\t\n\t      if (isSameTag && isBuffer(object)) {\n\t        if (!isBuffer(other)) {\n\t          return false;\n\t        }\n\t        objIsArr = true;\n\t        objIsObj = false;\n\t      }\n\t      if (isSameTag && !objIsObj) {\n\t        stack || (stack = new Stack);\n\t        return (objIsArr || isTypedArray(object))\n\t          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n\t          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n\t      }\n\t      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n\t        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n\t            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\t\n\t        if (objIsWrapped || othIsWrapped) {\n\t          var objUnwrapped = objIsWrapped ? object.value() : object,\n\t              othUnwrapped = othIsWrapped ? other.value() : other;\n\t\n\t          stack || (stack = new Stack);\n\t          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n\t        }\n\t      }\n\t      if (!isSameTag) {\n\t        return false;\n\t      }\n\t      stack || (stack = new Stack);\n\t      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isMap` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n\t     */\n\t    function baseIsMap(value) {\n\t      return isObjectLike(value) && getTag(value) == mapTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @param {Array} matchData The property names, values, and compare flags to match.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     */\n\t    function baseIsMatch(object, source, matchData, customizer) {\n\t      var index = matchData.length,\n\t          length = index,\n\t          noCustomizer = !customizer;\n\t\n\t      if (object == null) {\n\t        return !length;\n\t      }\n\t      object = Object(object);\n\t      while (index--) {\n\t        var data = matchData[index];\n\t        if ((noCustomizer && data[2])\n\t              ? data[1] !== object[data[0]]\n\t              : !(data[0] in object)\n\t            ) {\n\t          return false;\n\t        }\n\t      }\n\t      while (++index < length) {\n\t        data = matchData[index];\n\t        var key = data[0],\n\t            objValue = object[key],\n\t            srcValue = data[1];\n\t\n\t        if (noCustomizer && data[2]) {\n\t          if (objValue === undefined && !(key in object)) {\n\t            return false;\n\t          }\n\t        } else {\n\t          var stack = new Stack;\n\t          if (customizer) {\n\t            var result = customizer(objValue, srcValue, key, object, source, stack);\n\t          }\n\t          if (!(result === undefined\n\t                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n\t                : result\n\t              )) {\n\t            return false;\n\t          }\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isNative` without bad shim checks.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a native function,\n\t     *  else `false`.\n\t     */\n\t    function baseIsNative(value) {\n\t      if (!isObject(value) || isMasked(value)) {\n\t        return false;\n\t      }\n\t      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n\t      return pattern.test(toSource(value));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isRegExp` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n\t     */\n\t    function baseIsRegExp(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isSet` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n\t     */\n\t    function baseIsSet(value) {\n\t      return isObjectLike(value) && getTag(value) == setTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n\t     */\n\t    function baseIsTypedArray(value) {\n\t      return isObjectLike(value) &&\n\t        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.iteratee`.\n\t     *\n\t     * @private\n\t     * @param {*} [value=_.identity] The value to convert to an iteratee.\n\t     * @returns {Function} Returns the iteratee.\n\t     */\n\t    function baseIteratee(value) {\n\t      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n\t      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n\t      if (typeof value == 'function') {\n\t        return value;\n\t      }\n\t      if (value == null) {\n\t        return identity;\n\t      }\n\t      if (typeof value == 'object') {\n\t        return isArray(value)\n\t          ? baseMatchesProperty(value[0], value[1])\n\t          : baseMatches(value);\n\t      }\n\t      return property(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function baseKeys(object) {\n\t      if (!isPrototype(object)) {\n\t        return nativeKeys(object);\n\t      }\n\t      var result = [];\n\t      for (var key in Object(object)) {\n\t        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function baseKeysIn(object) {\n\t      if (!isObject(object)) {\n\t        return nativeKeysIn(object);\n\t      }\n\t      var isProto = isPrototype(object),\n\t          result = [];\n\t\n\t      for (var key in object) {\n\t        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.lt` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t     *  else `false`.\n\t     */\n\t    function baseLt(value, other) {\n\t      return value < other;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.map` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array} Returns the new mapped array.\n\t     */\n\t    function baseMap(collection, iteratee) {\n\t      var index = -1,\n\t          result = isArrayLike(collection) ? Array(collection.length) : [];\n\t\n\t      baseEach(collection, function(value, key, collection) {\n\t        result[++index] = iteratee(value, key, collection);\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.matches` which doesn't clone `source`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseMatches(source) {\n\t      var matchData = getMatchData(source);\n\t      if (matchData.length == 1 && matchData[0][2]) {\n\t        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n\t      }\n\t      return function(object) {\n\t        return object === source || baseIsMatch(object, source, matchData);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n\t     *\n\t     * @private\n\t     * @param {string} path The path of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseMatchesProperty(path, srcValue) {\n\t      if (isKey(path) && isStrictComparable(srcValue)) {\n\t        return matchesStrictComparable(toKey(path), srcValue);\n\t      }\n\t      return function(object) {\n\t        var objValue = get(object, path);\n\t        return (objValue === undefined && objValue === srcValue)\n\t          ? hasIn(object, path)\n\t          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.merge` without support for multiple sources.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @param {number} srcIndex The index of `source`.\n\t     * @param {Function} [customizer] The function to customize merged values.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     */\n\t    function baseMerge(object, source, srcIndex, customizer, stack) {\n\t      if (object === source) {\n\t        return;\n\t      }\n\t      baseFor(source, function(srcValue, key) {\n\t        if (isObject(srcValue)) {\n\t          stack || (stack = new Stack);\n\t          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n\t        }\n\t        else {\n\t          var newValue = customizer\n\t            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n\t            : undefined;\n\t\n\t          if (newValue === undefined) {\n\t            newValue = srcValue;\n\t          }\n\t          assignMergeValue(object, key, newValue);\n\t        }\n\t      }, keysIn);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseMerge` for arrays and objects which performs\n\t     * deep merges and tracks traversed objects enabling objects with circular\n\t     * references to be merged.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @param {string} key The key of the value to merge.\n\t     * @param {number} srcIndex The index of `source`.\n\t     * @param {Function} mergeFunc The function to merge values.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     */\n\t    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n\t      var objValue = object[key],\n\t          srcValue = source[key],\n\t          stacked = stack.get(srcValue);\n\t\n\t      if (stacked) {\n\t        assignMergeValue(object, key, stacked);\n\t        return;\n\t      }\n\t      var newValue = customizer\n\t        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n\t        : undefined;\n\t\n\t      var isCommon = newValue === undefined;\n\t\n\t      if (isCommon) {\n\t        var isArr = isArray(srcValue),\n\t            isBuff = !isArr && isBuffer(srcValue),\n\t            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\t\n\t        newValue = srcValue;\n\t        if (isArr || isBuff || isTyped) {\n\t          if (isArray(objValue)) {\n\t            newValue = objValue;\n\t          }\n\t          else if (isArrayLikeObject(objValue)) {\n\t            newValue = copyArray(objValue);\n\t          }\n\t          else if (isBuff) {\n\t            isCommon = false;\n\t            newValue = cloneBuffer(srcValue, true);\n\t          }\n\t          else if (isTyped) {\n\t            isCommon = false;\n\t            newValue = cloneTypedArray(srcValue, true);\n\t          }\n\t          else {\n\t            newValue = [];\n\t          }\n\t        }\n\t        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n\t          newValue = objValue;\n\t          if (isArguments(objValue)) {\n\t            newValue = toPlainObject(objValue);\n\t          }\n\t          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n\t            newValue = initCloneObject(srcValue);\n\t          }\n\t        }\n\t        else {\n\t          isCommon = false;\n\t        }\n\t      }\n\t      if (isCommon) {\n\t        // Recursively merge objects and arrays (susceptible to call stack limits).\n\t        stack.set(srcValue, newValue);\n\t        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n\t        stack['delete'](srcValue);\n\t      }\n\t      assignMergeValue(object, key, newValue);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.nth` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to query.\n\t     * @param {number} n The index of the element to return.\n\t     * @returns {*} Returns the nth element of `array`.\n\t     */\n\t    function baseNth(array, n) {\n\t      var length = array.length;\n\t      if (!length) {\n\t        return;\n\t      }\n\t      n += n < 0 ? length : 0;\n\t      return isIndex(n, length) ? array[n] : undefined;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.orderBy` without param guards.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n\t     * @param {string[]} orders The sort orders of `iteratees`.\n\t     * @returns {Array} Returns the new sorted array.\n\t     */\n\t    function baseOrderBy(collection, iteratees, orders) {\n\t      var index = -1;\n\t      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\t\n\t      var result = baseMap(collection, function(value, key, collection) {\n\t        var criteria = arrayMap(iteratees, function(iteratee) {\n\t          return iteratee(value);\n\t        });\n\t        return { 'criteria': criteria, 'index': ++index, 'value': value };\n\t      });\n\t\n\t      return baseSortBy(result, function(object, other) {\n\t        return compareMultiple(object, other, orders);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pick` without support for individual\n\t     * property identifiers.\n\t     *\n\t     * @private\n\t     * @param {Object} object The source object.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function basePick(object, paths) {\n\t      return basePickBy(object, paths, function(value, path) {\n\t        return hasIn(object, path);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The source object.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @param {Function} predicate The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function basePickBy(object, paths, predicate) {\n\t      var index = -1,\n\t          length = paths.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var path = paths[index],\n\t            value = baseGet(object, path);\n\t\n\t        if (predicate(value, path)) {\n\t          baseSet(result, castPath(path, object), value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseProperty` which supports deep paths.\n\t     *\n\t     * @private\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {Function} Returns the new accessor function.\n\t     */\n\t    function basePropertyDeep(path) {\n\t      return function(object) {\n\t        return baseGet(object, path);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pullAllBy` without support for iteratee\n\t     * shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function basePullAll(array, values, iteratee, comparator) {\n\t      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n\t          index = -1,\n\t          length = values.length,\n\t          seen = array;\n\t\n\t      if (array === values) {\n\t        values = copyArray(values);\n\t      }\n\t      if (iteratee) {\n\t        seen = arrayMap(array, baseUnary(iteratee));\n\t      }\n\t      while (++index < length) {\n\t        var fromIndex = 0,\n\t            value = values[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n\t          if (seen !== array) {\n\t            splice.call(seen, fromIndex, 1);\n\t          }\n\t          splice.call(array, fromIndex, 1);\n\t        }\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pullAt` without support for individual\n\t     * indexes or capturing the removed elements.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to modify.\n\t     * @param {number[]} indexes The indexes of elements to remove.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function basePullAt(array, indexes) {\n\t      var length = array ? indexes.length : 0,\n\t          lastIndex = length - 1;\n\t\n\t      while (length--) {\n\t        var index = indexes[length];\n\t        if (length == lastIndex || index !== previous) {\n\t          var previous = index;\n\t          if (isIndex(index)) {\n\t            splice.call(array, index, 1);\n\t          } else {\n\t            baseUnset(array, index);\n\t          }\n\t        }\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.random` without support for returning\n\t     * floating-point numbers.\n\t     *\n\t     * @private\n\t     * @param {number} lower The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the random number.\n\t     */\n\t    function baseRandom(lower, upper) {\n\t      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n\t     * coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} start The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} step The value to increment or decrement by.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Array} Returns the range of numbers.\n\t     */\n\t    function baseRange(start, end, step, fromRight) {\n\t      var index = -1,\n\t          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n\t          result = Array(length);\n\t\n\t      while (length--) {\n\t        result[fromRight ? length : ++index] = start;\n\t        start += step;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.repeat` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {string} string The string to repeat.\n\t     * @param {number} n The number of times to repeat the string.\n\t     * @returns {string} Returns the repeated string.\n\t     */\n\t    function baseRepeat(string, n) {\n\t      var result = '';\n\t      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n\t        return result;\n\t      }\n\t      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n\t      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n\t      do {\n\t        if (n % 2) {\n\t          result += string;\n\t        }\n\t        n = nativeFloor(n / 2);\n\t        if (n) {\n\t          string += string;\n\t        }\n\t      } while (n);\n\t\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function baseRest(func, start) {\n\t      return setToString(overRest(func, start, identity), func + '');\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sample`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @returns {*} Returns the random element.\n\t     */\n\t    function baseSample(collection) {\n\t      return arraySample(values(collection));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sampleSize` without param guards.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @param {number} n The number of elements to sample.\n\t     * @returns {Array} Returns the random elements.\n\t     */\n\t    function baseSampleSize(collection, n) {\n\t      var array = values(collection);\n\t      return shuffleSelf(array, baseClamp(n, 0, array.length));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.set`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @param {Function} [customizer] The function to customize path creation.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseSet(object, path, value, customizer) {\n\t      if (!isObject(object)) {\n\t        return object;\n\t      }\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length,\n\t          lastIndex = length - 1,\n\t          nested = object;\n\t\n\t      while (nested != null && ++index < length) {\n\t        var key = toKey(path[index]),\n\t            newValue = value;\n\t\n\t        if (index != lastIndex) {\n\t          var objValue = nested[key];\n\t          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n\t          if (newValue === undefined) {\n\t            newValue = isObject(objValue)\n\t              ? objValue\n\t              : (isIndex(path[index + 1]) ? [] : {});\n\t          }\n\t        }\n\t        assignValue(nested, key, newValue);\n\t        nested = nested[key];\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `setData` without support for hot loop shorting.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to associate metadata with.\n\t     * @param {*} data The metadata.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var baseSetData = !metaMap ? identity : function(func, data) {\n\t      metaMap.set(func, data);\n\t      return func;\n\t    };\n\t\n\t    /**\n\t     * The base implementation of `setToString` without support for hot loop shorting.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to modify.\n\t     * @param {Function} string The `toString` result.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var baseSetToString = !defineProperty ? identity : function(func, string) {\n\t      return defineProperty(func, 'toString', {\n\t        'configurable': true,\n\t        'enumerable': false,\n\t        'value': constant(string),\n\t        'writable': true\n\t      });\n\t    };\n\t\n\t    /**\n\t     * The base implementation of `_.shuffle`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     */\n\t    function baseShuffle(collection) {\n\t      return shuffleSelf(values(collection));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.slice` without an iteratee call guard.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to slice.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function baseSlice(array, start, end) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      if (start < 0) {\n\t        start = -start > length ? 0 : (length + start);\n\t      }\n\t      end = end > length ? length : end;\n\t      if (end < 0) {\n\t        end += length;\n\t      }\n\t      length = start > end ? 0 : ((end - start) >>> 0);\n\t      start >>>= 0;\n\t\n\t      var result = Array(length);\n\t      while (++index < length) {\n\t        result[index] = array[index + start];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.some` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t     *  else `false`.\n\t     */\n\t    function baseSome(collection, predicate) {\n\t      var result;\n\t\n\t      baseEach(collection, function(value, index, collection) {\n\t        result = predicate(value, index, collection);\n\t        return !result;\n\t      });\n\t      return !!result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n\t     * performs a binary search of `array` to determine the index at which `value`\n\t     * should be inserted into `array` in order to maintain its sort order.\n\t     *\n\t     * @private\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     */\n\t    function baseSortedIndex(array, value, retHighest) {\n\t      var low = 0,\n\t          high = array == null ? low : array.length;\n\t\n\t      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n\t        while (low < high) {\n\t          var mid = (low + high) >>> 1,\n\t              computed = array[mid];\n\t\n\t          if (computed !== null && !isSymbol(computed) &&\n\t              (retHighest ? (computed <= value) : (computed < value))) {\n\t            low = mid + 1;\n\t          } else {\n\t            high = mid;\n\t          }\n\t        }\n\t        return high;\n\t      }\n\t      return baseSortedIndexBy(array, value, identity, retHighest);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n\t     * which invokes `iteratee` for `value` and each element of `array` to compute\n\t     * their sort ranking. The iteratee is invoked with one argument; (value).\n\t     *\n\t     * @private\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} iteratee The iteratee invoked per element.\n\t     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     */\n\t    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n\t      value = iteratee(value);\n\t\n\t      var low = 0,\n\t          high = array == null ? 0 : array.length,\n\t          valIsNaN = value !== value,\n\t          valIsNull = value === null,\n\t          valIsSymbol = isSymbol(value),\n\t          valIsUndefined = value === undefined;\n\t\n\t      while (low < high) {\n\t        var mid = nativeFloor((low + high) / 2),\n\t            computed = iteratee(array[mid]),\n\t            othIsDefined = computed !== undefined,\n\t            othIsNull = computed === null,\n\t            othIsReflexive = computed === computed,\n\t            othIsSymbol = isSymbol(computed);\n\t\n\t        if (valIsNaN) {\n\t          var setLow = retHighest || othIsReflexive;\n\t        } else if (valIsUndefined) {\n\t          setLow = othIsReflexive && (retHighest || othIsDefined);\n\t        } else if (valIsNull) {\n\t          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n\t        } else if (valIsSymbol) {\n\t          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n\t        } else if (othIsNull || othIsSymbol) {\n\t          setLow = false;\n\t        } else {\n\t          setLow = retHighest ? (computed <= value) : (computed < value);\n\t        }\n\t        if (setLow) {\n\t          low = mid + 1;\n\t        } else {\n\t          high = mid;\n\t        }\n\t      }\n\t      return nativeMin(high, MAX_ARRAY_INDEX);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n\t     * support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     */\n\t    function baseSortedUniq(array, iteratee) {\n\t      var index = -1,\n\t          length = array.length,\n\t          resIndex = 0,\n\t          result = [];\n\t\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        if (!index || !eq(computed, seen)) {\n\t          var seen = computed;\n\t          result[resIndex++] = value === 0 ? 0 : value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.toNumber` which doesn't ensure correct\n\t     * conversions of binary, hexadecimal, or octal string values.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to process.\n\t     * @returns {number} Returns the number.\n\t     */\n\t    function baseToNumber(value) {\n\t      if (typeof value == 'number') {\n\t        return value;\n\t      }\n\t      if (isSymbol(value)) {\n\t        return NAN;\n\t      }\n\t      return +value;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.toString` which doesn't convert nullish\n\t     * values to empty strings.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to process.\n\t     * @returns {string} Returns the string.\n\t     */\n\t    function baseToString(value) {\n\t      // Exit early for strings to avoid a performance hit in some environments.\n\t      if (typeof value == 'string') {\n\t        return value;\n\t      }\n\t      if (isArray(value)) {\n\t        // Recursively convert values (susceptible to call stack limits).\n\t        return arrayMap(value, baseToString) + '';\n\t      }\n\t      if (isSymbol(value)) {\n\t        return symbolToString ? symbolToString.call(value) : '';\n\t      }\n\t      var result = (value + '');\n\t      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     */\n\t    function baseUniq(array, iteratee, comparator) {\n\t      var index = -1,\n\t          includes = arrayIncludes,\n\t          length = array.length,\n\t          isCommon = true,\n\t          result = [],\n\t          seen = result;\n\t\n\t      if (comparator) {\n\t        isCommon = false;\n\t        includes = arrayIncludesWith;\n\t      }\n\t      else if (length >= LARGE_ARRAY_SIZE) {\n\t        var set = iteratee ? null : createSet(array);\n\t        if (set) {\n\t          return setToArray(set);\n\t        }\n\t        isCommon = false;\n\t        includes = cacheHas;\n\t        seen = new SetCache;\n\t      }\n\t      else {\n\t        seen = iteratee ? [] : result;\n\t      }\n\t      outer:\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (isCommon && computed === computed) {\n\t          var seenIndex = seen.length;\n\t          while (seenIndex--) {\n\t            if (seen[seenIndex] === computed) {\n\t              continue outer;\n\t            }\n\t          }\n\t          if (iteratee) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t        else if (!includes(seen, computed, comparator)) {\n\t          if (seen !== result) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.unset`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The property path to unset.\n\t     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t     */\n\t    function baseUnset(object, path) {\n\t      path = castPath(path, object);\n\t      object = parent(object, path);\n\t      return object == null || delete object[toKey(last(path))];\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.update`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to update.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @param {Function} [customizer] The function to customize path creation.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseUpdate(object, path, updater, customizer) {\n\t      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n\t     * without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function baseWhile(array, predicate, isDrop, fromRight) {\n\t      var length = array.length,\n\t          index = fromRight ? length : -1;\n\t\n\t      while ((fromRight ? index-- : ++index < length) &&\n\t        predicate(array[index], index, array)) {}\n\t\n\t      return isDrop\n\t        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n\t        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `wrapperValue` which returns the result of\n\t     * performing a sequence of actions on the unwrapped `value`, where each\n\t     * successive action is supplied the return value of the previous.\n\t     *\n\t     * @private\n\t     * @param {*} value The unwrapped value.\n\t     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n\t     * @returns {*} Returns the resolved value.\n\t     */\n\t    function baseWrapperValue(value, actions) {\n\t      var result = value;\n\t      if (result instanceof LazyWrapper) {\n\t        result = result.value();\n\t      }\n\t      return arrayReduce(actions, function(result, action) {\n\t        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n\t      }, result);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.xor`, without support for\n\t     * iteratee shorthands, that accepts an array of arrays to inspect.\n\t     *\n\t     * @private\n\t     * @param {Array} arrays The arrays to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of values.\n\t     */\n\t    function baseXor(arrays, iteratee, comparator) {\n\t      var length = arrays.length;\n\t      if (length < 2) {\n\t        return length ? baseUniq(arrays[0]) : [];\n\t      }\n\t      var index = -1,\n\t          result = Array(length);\n\t\n\t      while (++index < length) {\n\t        var array = arrays[index],\n\t            othIndex = -1;\n\t\n\t        while (++othIndex < length) {\n\t          if (othIndex != index) {\n\t            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n\t          }\n\t        }\n\t      }\n\t      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n\t    }\n\t\n\t    /**\n\t     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n\t     *\n\t     * @private\n\t     * @param {Array} props The property identifiers.\n\t     * @param {Array} values The property values.\n\t     * @param {Function} assignFunc The function to assign values.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function baseZipObject(props, values, assignFunc) {\n\t      var index = -1,\n\t          length = props.length,\n\t          valsLength = values.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var value = index < valsLength ? values[index] : undefined;\n\t        assignFunc(result, props[index], value);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to an empty array if it's not an array like object.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Array|Object} Returns the cast array-like object.\n\t     */\n\t    function castArrayLikeObject(value) {\n\t      return isArrayLikeObject(value) ? value : [];\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to `identity` if it's not a function.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Function} Returns cast function.\n\t     */\n\t    function castFunction(value) {\n\t      return typeof value == 'function' ? value : identity;\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to a path array if it's not one.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @param {Object} [object] The object to query keys on.\n\t     * @returns {Array} Returns the cast property path array.\n\t     */\n\t    function castPath(value, object) {\n\t      if (isArray(value)) {\n\t        return value;\n\t      }\n\t      return isKey(value, object) ? [value] : stringToPath(toString(value));\n\t    }\n\t\n\t    /**\n\t     * A `baseRest` alias which can be replaced with `identity` by module\n\t     * replacement plugins.\n\t     *\n\t     * @private\n\t     * @type {Function}\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    var castRest = baseRest;\n\t\n\t    /**\n\t     * Casts `array` to a slice if it's needed.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {number} start The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the cast slice.\n\t     */\n\t    function castSlice(array, start, end) {\n\t      var length = array.length;\n\t      end = end === undefined ? length : end;\n\t      return (!start && end >= length) ? array : baseSlice(array, start, end);\n\t    }\n\t\n\t    /**\n\t     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n\t     *\n\t     * @private\n\t     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n\t     */\n\t    var clearTimeout = ctxClearTimeout || function(id) {\n\t      return root.clearTimeout(id);\n\t    };\n\t\n\t    /**\n\t     * Creates a clone of  `buffer`.\n\t     *\n\t     * @private\n\t     * @param {Buffer} buffer The buffer to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Buffer} Returns the cloned buffer.\n\t     */\n\t    function cloneBuffer(buffer, isDeep) {\n\t      if (isDeep) {\n\t        return buffer.slice();\n\t      }\n\t      var length = buffer.length,\n\t          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\t\n\t      buffer.copy(result);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `arrayBuffer`.\n\t     *\n\t     * @private\n\t     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n\t     * @returns {ArrayBuffer} Returns the cloned array buffer.\n\t     */\n\t    function cloneArrayBuffer(arrayBuffer) {\n\t      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n\t      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `dataView`.\n\t     *\n\t     * @private\n\t     * @param {Object} dataView The data view to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned data view.\n\t     */\n\t    function cloneDataView(dataView, isDeep) {\n\t      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n\t      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `map`.\n\t     *\n\t     * @private\n\t     * @param {Object} map The map to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned map.\n\t     */\n\t    function cloneMap(map, isDeep, cloneFunc) {\n\t      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n\t      return arrayReduce(array, addMapEntry, new map.constructor);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `regexp`.\n\t     *\n\t     * @private\n\t     * @param {Object} regexp The regexp to clone.\n\t     * @returns {Object} Returns the cloned regexp.\n\t     */\n\t    function cloneRegExp(regexp) {\n\t      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n\t      result.lastIndex = regexp.lastIndex;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `set`.\n\t     *\n\t     * @private\n\t     * @param {Object} set The set to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned set.\n\t     */\n\t    function cloneSet(set, isDeep, cloneFunc) {\n\t      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n\t      return arrayReduce(array, addSetEntry, new set.constructor);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the `symbol` object.\n\t     *\n\t     * @private\n\t     * @param {Object} symbol The symbol object to clone.\n\t     * @returns {Object} Returns the cloned symbol object.\n\t     */\n\t    function cloneSymbol(symbol) {\n\t      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `typedArray`.\n\t     *\n\t     * @private\n\t     * @param {Object} typedArray The typed array to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned typed array.\n\t     */\n\t    function cloneTypedArray(typedArray, isDeep) {\n\t      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n\t      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n\t    }\n\t\n\t    /**\n\t     * Compares values to sort them in ascending order.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {number} Returns the sort order indicator for `value`.\n\t     */\n\t    function compareAscending(value, other) {\n\t      if (value !== other) {\n\t        var valIsDefined = value !== undefined,\n\t            valIsNull = value === null,\n\t            valIsReflexive = value === value,\n\t            valIsSymbol = isSymbol(value);\n\t\n\t        var othIsDefined = other !== undefined,\n\t            othIsNull = other === null,\n\t            othIsReflexive = other === other,\n\t            othIsSymbol = isSymbol(other);\n\t\n\t        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n\t            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n\t            (valIsNull && othIsDefined && othIsReflexive) ||\n\t            (!valIsDefined && othIsReflexive) ||\n\t            !valIsReflexive) {\n\t          return 1;\n\t        }\n\t        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n\t            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n\t            (othIsNull && valIsDefined && valIsReflexive) ||\n\t            (!othIsDefined && valIsReflexive) ||\n\t            !othIsReflexive) {\n\t          return -1;\n\t        }\n\t      }\n\t      return 0;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.orderBy` to compare multiple properties of a value to another\n\t     * and stable sort them.\n\t     *\n\t     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n\t     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n\t     * of corresponding values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {boolean[]|string[]} orders The order to sort by for each property.\n\t     * @returns {number} Returns the sort order indicator for `object`.\n\t     */\n\t    function compareMultiple(object, other, orders) {\n\t      var index = -1,\n\t          objCriteria = object.criteria,\n\t          othCriteria = other.criteria,\n\t          length = objCriteria.length,\n\t          ordersLength = orders.length;\n\t\n\t      while (++index < length) {\n\t        var result = compareAscending(objCriteria[index], othCriteria[index]);\n\t        if (result) {\n\t          if (index >= ordersLength) {\n\t            return result;\n\t          }\n\t          var order = orders[index];\n\t          return result * (order == 'desc' ? -1 : 1);\n\t        }\n\t      }\n\t      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n\t      // that causes it, under certain circumstances, to provide the same value for\n\t      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n\t      // for more details.\n\t      //\n\t      // This also ensures a stable sort in V8 and other engines.\n\t      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n\t      return object.index - other.index;\n\t    }\n\t\n\t    /**\n\t     * Creates an array that is the composition of partially applied arguments,\n\t     * placeholders, and provided arguments into a single array of arguments.\n\t     *\n\t     * @private\n\t     * @param {Array} args The provided arguments.\n\t     * @param {Array} partials The arguments to prepend to those provided.\n\t     * @param {Array} holders The `partials` placeholder indexes.\n\t     * @params {boolean} [isCurried] Specify composing for a curried function.\n\t     * @returns {Array} Returns the new array of composed arguments.\n\t     */\n\t    function composeArgs(args, partials, holders, isCurried) {\n\t      var argsIndex = -1,\n\t          argsLength = args.length,\n\t          holdersLength = holders.length,\n\t          leftIndex = -1,\n\t          leftLength = partials.length,\n\t          rangeLength = nativeMax(argsLength - holdersLength, 0),\n\t          result = Array(leftLength + rangeLength),\n\t          isUncurried = !isCurried;\n\t\n\t      while (++leftIndex < leftLength) {\n\t        result[leftIndex] = partials[leftIndex];\n\t      }\n\t      while (++argsIndex < holdersLength) {\n\t        if (isUncurried || argsIndex < argsLength) {\n\t          result[holders[argsIndex]] = args[argsIndex];\n\t        }\n\t      }\n\t      while (rangeLength--) {\n\t        result[leftIndex++] = args[argsIndex++];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This function is like `composeArgs` except that the arguments composition\n\t     * is tailored for `_.partialRight`.\n\t     *\n\t     * @private\n\t     * @param {Array} args The provided arguments.\n\t     * @param {Array} partials The arguments to append to those provided.\n\t     * @param {Array} holders The `partials` placeholder indexes.\n\t     * @params {boolean} [isCurried] Specify composing for a curried function.\n\t     * @returns {Array} Returns the new array of composed arguments.\n\t     */\n\t    function composeArgsRight(args, partials, holders, isCurried) {\n\t      var argsIndex = -1,\n\t          argsLength = args.length,\n\t          holdersIndex = -1,\n\t          holdersLength = holders.length,\n\t          rightIndex = -1,\n\t          rightLength = partials.length,\n\t          rangeLength = nativeMax(argsLength - holdersLength, 0),\n\t          result = Array(rangeLength + rightLength),\n\t          isUncurried = !isCurried;\n\t\n\t      while (++argsIndex < rangeLength) {\n\t        result[argsIndex] = args[argsIndex];\n\t      }\n\t      var offset = argsIndex;\n\t      while (++rightIndex < rightLength) {\n\t        result[offset + rightIndex] = partials[rightIndex];\n\t      }\n\t      while (++holdersIndex < holdersLength) {\n\t        if (isUncurried || argsIndex < argsLength) {\n\t          result[offset + holders[holdersIndex]] = args[argsIndex++];\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Copies the values of `source` to `array`.\n\t     *\n\t     * @private\n\t     * @param {Array} source The array to copy values from.\n\t     * @param {Array} [array=[]] The array to copy values to.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function copyArray(source, array) {\n\t      var index = -1,\n\t          length = source.length;\n\t\n\t      array || (array = Array(length));\n\t      while (++index < length) {\n\t        array[index] = source[index];\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Copies properties of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy properties from.\n\t     * @param {Array} props The property identifiers to copy.\n\t     * @param {Object} [object={}] The object to copy properties to.\n\t     * @param {Function} [customizer] The function to customize copied values.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copyObject(source, props, object, customizer) {\n\t      var isNew = !object;\n\t      object || (object = {});\n\t\n\t      var index = -1,\n\t          length = props.length;\n\t\n\t      while (++index < length) {\n\t        var key = props[index];\n\t\n\t        var newValue = customizer\n\t          ? customizer(object[key], source[key], key, object, source)\n\t          : undefined;\n\t\n\t        if (newValue === undefined) {\n\t          newValue = source[key];\n\t        }\n\t        if (isNew) {\n\t          baseAssignValue(object, key, newValue);\n\t        } else {\n\t          assignValue(object, key, newValue);\n\t        }\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Copies own symbols of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy symbols from.\n\t     * @param {Object} [object={}] The object to copy symbols to.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copySymbols(source, object) {\n\t      return copyObject(source, getSymbols(source), object);\n\t    }\n\t\n\t    /**\n\t     * Copies own and inherited symbols of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy symbols from.\n\t     * @param {Object} [object={}] The object to copy symbols to.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copySymbolsIn(source, object) {\n\t      return copyObject(source, getSymbolsIn(source), object);\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.groupBy`.\n\t     *\n\t     * @private\n\t     * @param {Function} setter The function to set accumulator values.\n\t     * @param {Function} [initializer] The accumulator object initializer.\n\t     * @returns {Function} Returns the new aggregator function.\n\t     */\n\t    function createAggregator(setter, initializer) {\n\t      return function(collection, iteratee) {\n\t        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n\t            accumulator = initializer ? initializer() : {};\n\t\n\t        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.assign`.\n\t     *\n\t     * @private\n\t     * @param {Function} assigner The function to assign values.\n\t     * @returns {Function} Returns the new assigner function.\n\t     */\n\t    function createAssigner(assigner) {\n\t      return baseRest(function(object, sources) {\n\t        var index = -1,\n\t            length = sources.length,\n\t            customizer = length > 1 ? sources[length - 1] : undefined,\n\t            guard = length > 2 ? sources[2] : undefined;\n\t\n\t        customizer = (assigner.length > 3 && typeof customizer == 'function')\n\t          ? (length--, customizer)\n\t          : undefined;\n\t\n\t        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n\t          customizer = length < 3 ? undefined : customizer;\n\t          length = 1;\n\t        }\n\t        object = Object(object);\n\t        while (++index < length) {\n\t          var source = sources[index];\n\t          if (source) {\n\t            assigner(object, source, index, customizer);\n\t          }\n\t        }\n\t        return object;\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a `baseEach` or `baseEachRight` function.\n\t     *\n\t     * @private\n\t     * @param {Function} eachFunc The function to iterate over a collection.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new base function.\n\t     */\n\t    function createBaseEach(eachFunc, fromRight) {\n\t      return function(collection, iteratee) {\n\t        if (collection == null) {\n\t          return collection;\n\t        }\n\t        if (!isArrayLike(collection)) {\n\t          return eachFunc(collection, iteratee);\n\t        }\n\t        var length = collection.length,\n\t            index = fromRight ? length : -1,\n\t            iterable = Object(collection);\n\t\n\t        while ((fromRight ? index-- : ++index < length)) {\n\t          if (iteratee(iterable[index], index, iterable) === false) {\n\t            break;\n\t          }\n\t        }\n\t        return collection;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new base function.\n\t     */\n\t    function createBaseFor(fromRight) {\n\t      return function(object, iteratee, keysFunc) {\n\t        var index = -1,\n\t            iterable = Object(object),\n\t            props = keysFunc(object),\n\t            length = props.length;\n\t\n\t        while (length--) {\n\t          var key = props[fromRight ? length : ++index];\n\t          if (iteratee(iterable[key], key, iterable) === false) {\n\t            break;\n\t          }\n\t        }\n\t        return object;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with the optional `this`\n\t     * binding of `thisArg`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createBind(func, bitmask, thisArg) {\n\t      var isBind = bitmask & WRAP_BIND_FLAG,\n\t          Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t        return fn.apply(isBind ? thisArg : this, arguments);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.lowerFirst`.\n\t     *\n\t     * @private\n\t     * @param {string} methodName The name of the `String` case method to use.\n\t     * @returns {Function} Returns the new case function.\n\t     */\n\t    function createCaseFirst(methodName) {\n\t      return function(string) {\n\t        string = toString(string);\n\t\n\t        var strSymbols = hasUnicode(string)\n\t          ? stringToArray(string)\n\t          : undefined;\n\t\n\t        var chr = strSymbols\n\t          ? strSymbols[0]\n\t          : string.charAt(0);\n\t\n\t        var trailing = strSymbols\n\t          ? castSlice(strSymbols, 1).join('')\n\t          : string.slice(1);\n\t\n\t        return chr[methodName]() + trailing;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.camelCase`.\n\t     *\n\t     * @private\n\t     * @param {Function} callback The function to combine each word.\n\t     * @returns {Function} Returns the new compounder function.\n\t     */\n\t    function createCompounder(callback) {\n\t      return function(string) {\n\t        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that produces an instance of `Ctor` regardless of\n\t     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n\t     *\n\t     * @private\n\t     * @param {Function} Ctor The constructor to wrap.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createCtor(Ctor) {\n\t      return function() {\n\t        // Use a `switch` statement to work with class constructors. See\n\t        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n\t        // for more details.\n\t        var args = arguments;\n\t        switch (args.length) {\n\t          case 0: return new Ctor;\n\t          case 1: return new Ctor(args[0]);\n\t          case 2: return new Ctor(args[0], args[1]);\n\t          case 3: return new Ctor(args[0], args[1], args[2]);\n\t          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n\t          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n\t          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n\t          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n\t        }\n\t        var thisBinding = baseCreate(Ctor.prototype),\n\t            result = Ctor.apply(thisBinding, args);\n\t\n\t        // Mimic the constructor's `return` behavior.\n\t        // See https://es5.github.io/#x13.2.2 for more details.\n\t        return isObject(result) ? result : thisBinding;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to enable currying.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {number} arity The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createCurry(func, bitmask, arity) {\n\t      var Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var length = arguments.length,\n\t            args = Array(length),\n\t            index = length,\n\t            placeholder = getHolder(wrapper);\n\t\n\t        while (index--) {\n\t          args[index] = arguments[index];\n\t        }\n\t        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n\t          ? []\n\t          : replaceHolders(args, placeholder);\n\t\n\t        length -= holders.length;\n\t        if (length < arity) {\n\t          return createRecurry(\n\t            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n\t            args, holders, undefined, undefined, arity - length);\n\t        }\n\t        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t        return apply(fn, this, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.find` or `_.findLast` function.\n\t     *\n\t     * @private\n\t     * @param {Function} findIndexFunc The function to find the collection index.\n\t     * @returns {Function} Returns the new find function.\n\t     */\n\t    function createFind(findIndexFunc) {\n\t      return function(collection, predicate, fromIndex) {\n\t        var iterable = Object(collection);\n\t        if (!isArrayLike(collection)) {\n\t          var iteratee = getIteratee(predicate, 3);\n\t          collection = keys(collection);\n\t          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n\t        }\n\t        var index = findIndexFunc(collection, predicate, fromIndex);\n\t        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.flow` or `_.flowRight` function.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new flow function.\n\t     */\n\t    function createFlow(fromRight) {\n\t      return flatRest(function(funcs) {\n\t        var length = funcs.length,\n\t            index = length,\n\t            prereq = LodashWrapper.prototype.thru;\n\t\n\t        if (fromRight) {\n\t          funcs.reverse();\n\t        }\n\t        while (index--) {\n\t          var func = funcs[index];\n\t          if (typeof func != 'function') {\n\t            throw new TypeError(FUNC_ERROR_TEXT);\n\t          }\n\t          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n\t            var wrapper = new LodashWrapper([], true);\n\t          }\n\t        }\n\t        index = wrapper ? index : length;\n\t        while (++index < length) {\n\t          func = funcs[index];\n\t\n\t          var funcName = getFuncName(func),\n\t              data = funcName == 'wrapper' ? getData(func) : undefined;\n\t\n\t          if (data && isLaziable(data[0]) &&\n\t                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n\t                !data[4].length && data[9] == 1\n\t              ) {\n\t            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n\t          } else {\n\t            wrapper = (func.length == 1 && isLaziable(func))\n\t              ? wrapper[funcName]()\n\t              : wrapper.thru(func);\n\t          }\n\t        }\n\t        return function() {\n\t          var args = arguments,\n\t              value = args[0];\n\t\n\t          if (wrapper && args.length == 1 && isArray(value)) {\n\t            return wrapper.plant(value).value();\n\t          }\n\t          var index = 0,\n\t              result = length ? funcs[index].apply(this, args) : value;\n\t\n\t          while (++index < length) {\n\t            result = funcs[index].call(this, result);\n\t          }\n\t          return result;\n\t        };\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with optional `this`\n\t     * binding of `thisArg`, partial application, and currying.\n\t     *\n\t     * @private\n\t     * @param {Function|string} func The function or method name to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [partialsRight] The arguments to append to those provided\n\t     *  to the new function.\n\t     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n\t      var isAry = bitmask & WRAP_ARY_FLAG,\n\t          isBind = bitmask & WRAP_BIND_FLAG,\n\t          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n\t          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n\t          isFlip = bitmask & WRAP_FLIP_FLAG,\n\t          Ctor = isBindKey ? undefined : createCtor(func);\n\t\n\t      function wrapper() {\n\t        var length = arguments.length,\n\t            args = Array(length),\n\t            index = length;\n\t\n\t        while (index--) {\n\t          args[index] = arguments[index];\n\t        }\n\t        if (isCurried) {\n\t          var placeholder = getHolder(wrapper),\n\t              holdersCount = countHolders(args, placeholder);\n\t        }\n\t        if (partials) {\n\t          args = composeArgs(args, partials, holders, isCurried);\n\t        }\n\t        if (partialsRight) {\n\t          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n\t        }\n\t        length -= holdersCount;\n\t        if (isCurried && length < arity) {\n\t          var newHolders = replaceHolders(args, placeholder);\n\t          return createRecurry(\n\t            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n\t            args, newHolders, argPos, ary, arity - length\n\t          );\n\t        }\n\t        var thisBinding = isBind ? thisArg : this,\n\t            fn = isBindKey ? thisBinding[func] : func;\n\t\n\t        length = args.length;\n\t        if (argPos) {\n\t          args = reorder(args, argPos);\n\t        } else if (isFlip && length > 1) {\n\t          args.reverse();\n\t        }\n\t        if (isAry && ary < length) {\n\t          args.length = ary;\n\t        }\n\t        if (this && this !== root && this instanceof wrapper) {\n\t          fn = Ctor || createCtor(fn);\n\t        }\n\t        return fn.apply(thisBinding, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.invertBy`.\n\t     *\n\t     * @private\n\t     * @param {Function} setter The function to set accumulator values.\n\t     * @param {Function} toIteratee The function to resolve iteratees.\n\t     * @returns {Function} Returns the new inverter function.\n\t     */\n\t    function createInverter(setter, toIteratee) {\n\t      return function(object, iteratee) {\n\t        return baseInverter(object, setter, toIteratee(iteratee), {});\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a mathematical operation on two values.\n\t     *\n\t     * @private\n\t     * @param {Function} operator The function to perform the operation.\n\t     * @param {number} [defaultValue] The value used for `undefined` arguments.\n\t     * @returns {Function} Returns the new mathematical operation function.\n\t     */\n\t    function createMathOperation(operator, defaultValue) {\n\t      return function(value, other) {\n\t        var result;\n\t        if (value === undefined && other === undefined) {\n\t          return defaultValue;\n\t        }\n\t        if (value !== undefined) {\n\t          result = value;\n\t        }\n\t        if (other !== undefined) {\n\t          if (result === undefined) {\n\t            return other;\n\t          }\n\t          if (typeof value == 'string' || typeof other == 'string') {\n\t            value = baseToString(value);\n\t            other = baseToString(other);\n\t          } else {\n\t            value = baseToNumber(value);\n\t            other = baseToNumber(other);\n\t          }\n\t          result = operator(value, other);\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.over`.\n\t     *\n\t     * @private\n\t     * @param {Function} arrayFunc The function to iterate over iteratees.\n\t     * @returns {Function} Returns the new over function.\n\t     */\n\t    function createOver(arrayFunc) {\n\t      return flatRest(function(iteratees) {\n\t        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n\t        return baseRest(function(args) {\n\t          var thisArg = this;\n\t          return arrayFunc(iteratees, function(iteratee) {\n\t            return apply(iteratee, thisArg, args);\n\t          });\n\t        });\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates the padding for `string` based on `length`. The `chars` string\n\t     * is truncated if the number of characters exceeds `length`.\n\t     *\n\t     * @private\n\t     * @param {number} length The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padding for `string`.\n\t     */\n\t    function createPadding(length, chars) {\n\t      chars = chars === undefined ? ' ' : baseToString(chars);\n\t\n\t      var charsLength = chars.length;\n\t      if (charsLength < 2) {\n\t        return charsLength ? baseRepeat(chars, length) : chars;\n\t      }\n\t      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n\t      return hasUnicode(chars)\n\t        ? castSlice(stringToArray(result), 0, length).join('')\n\t        : result.slice(0, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with the `this` binding\n\t     * of `thisArg` and `partials` prepended to the arguments it receives.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} thisArg The `this` binding of `func`.\n\t     * @param {Array} partials The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createPartial(func, bitmask, thisArg, partials) {\n\t      var isBind = bitmask & WRAP_BIND_FLAG,\n\t          Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var argsIndex = -1,\n\t            argsLength = arguments.length,\n\t            leftIndex = -1,\n\t            leftLength = partials.length,\n\t            args = Array(leftLength + argsLength),\n\t            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t\n\t        while (++leftIndex < leftLength) {\n\t          args[leftIndex] = partials[leftIndex];\n\t        }\n\t        while (argsLength--) {\n\t          args[leftIndex++] = arguments[++argsIndex];\n\t        }\n\t        return apply(fn, isBind ? thisArg : this, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.range` or `_.rangeRight` function.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new range function.\n\t     */\n\t    function createRange(fromRight) {\n\t      return function(start, end, step) {\n\t        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n\t          end = step = undefined;\n\t        }\n\t        // Ensure the sign of `-0` is preserved.\n\t        start = toFinite(start);\n\t        if (end === undefined) {\n\t          end = start;\n\t          start = 0;\n\t        } else {\n\t          end = toFinite(end);\n\t        }\n\t        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n\t        return baseRange(start, end, step, fromRight);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a relational operation on two values.\n\t     *\n\t     * @private\n\t     * @param {Function} operator The function to perform the operation.\n\t     * @returns {Function} Returns the new relational operation function.\n\t     */\n\t    function createRelationalOperation(operator) {\n\t      return function(value, other) {\n\t        if (!(typeof value == 'string' && typeof other == 'string')) {\n\t          value = toNumber(value);\n\t          other = toNumber(other);\n\t        }\n\t        return operator(value, other);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to continue currying.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {Function} wrapFunc The function to create the `func` wrapper.\n\t     * @param {*} placeholder The placeholder value.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n\t      var isCurry = bitmask & WRAP_CURRY_FLAG,\n\t          newHolders = isCurry ? holders : undefined,\n\t          newHoldersRight = isCurry ? undefined : holders,\n\t          newPartials = isCurry ? partials : undefined,\n\t          newPartialsRight = isCurry ? undefined : partials;\n\t\n\t      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n\t      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\t\n\t      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n\t        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n\t      }\n\t      var newData = [\n\t        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n\t        newHoldersRight, argPos, ary, arity\n\t      ];\n\t\n\t      var result = wrapFunc.apply(undefined, newData);\n\t      if (isLaziable(func)) {\n\t        setData(result, newData);\n\t      }\n\t      result.placeholder = placeholder;\n\t      return setWrapToString(result, func, bitmask);\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.round`.\n\t     *\n\t     * @private\n\t     * @param {string} methodName The name of the `Math` method to use when rounding.\n\t     * @returns {Function} Returns the new round function.\n\t     */\n\t    function createRound(methodName) {\n\t      var func = Math[methodName];\n\t      return function(number, precision) {\n\t        number = toNumber(number);\n\t        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n\t        if (precision) {\n\t          // Shift with exponential notation to avoid floating-point issues.\n\t          // See [MDN](https://mdn.io/round#Examples) for more details.\n\t          var pair = (toString(number) + 'e').split('e'),\n\t              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\t\n\t          pair = (toString(value) + 'e').split('e');\n\t          return +(pair[0] + 'e' + (+pair[1] - precision));\n\t        }\n\t        return func(number);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a set object of `values`.\n\t     *\n\t     * @private\n\t     * @param {Array} values The values to add to the set.\n\t     * @returns {Object} Returns the new set.\n\t     */\n\t    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n\t      return new Set(values);\n\t    };\n\t\n\t    /**\n\t     * Creates a `_.toPairs` or `_.toPairsIn` function.\n\t     *\n\t     * @private\n\t     * @param {Function} keysFunc The function to get the keys of a given object.\n\t     * @returns {Function} Returns the new pairs function.\n\t     */\n\t    function createToPairs(keysFunc) {\n\t      return function(object) {\n\t        var tag = getTag(object);\n\t        if (tag == mapTag) {\n\t          return mapToArray(object);\n\t        }\n\t        if (tag == setTag) {\n\t          return setToPairs(object);\n\t        }\n\t        return baseToPairs(object, keysFunc(object));\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that either curries or invokes `func` with optional\n\t     * `this` binding and partially applied arguments.\n\t     *\n\t     * @private\n\t     * @param {Function|string} func The function or method name to wrap.\n\t     * @param {number} bitmask The bitmask flags.\n\t     *    1 - `_.bind`\n\t     *    2 - `_.bindKey`\n\t     *    4 - `_.curry` or `_.curryRight` of a bound function\n\t     *    8 - `_.curry`\n\t     *   16 - `_.curryRight`\n\t     *   32 - `_.partial`\n\t     *   64 - `_.partialRight`\n\t     *  128 - `_.rearg`\n\t     *  256 - `_.ary`\n\t     *  512 - `_.flip`\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to be partially applied.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n\t      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n\t      if (!isBindKey && typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      var length = partials ? partials.length : 0;\n\t      if (!length) {\n\t        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n\t        partials = holders = undefined;\n\t      }\n\t      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n\t      arity = arity === undefined ? arity : toInteger(arity);\n\t      length -= holders ? holders.length : 0;\n\t\n\t      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n\t        var partialsRight = partials,\n\t            holdersRight = holders;\n\t\n\t        partials = holders = undefined;\n\t      }\n\t      var data = isBindKey ? undefined : getData(func);\n\t\n\t      var newData = [\n\t        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n\t        argPos, ary, arity\n\t      ];\n\t\n\t      if (data) {\n\t        mergeData(newData, data);\n\t      }\n\t      func = newData[0];\n\t      bitmask = newData[1];\n\t      thisArg = newData[2];\n\t      partials = newData[3];\n\t      holders = newData[4];\n\t      arity = newData[9] = newData[9] === undefined\n\t        ? (isBindKey ? 0 : func.length)\n\t        : nativeMax(newData[9] - length, 0);\n\t\n\t      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n\t        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n\t      }\n\t      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n\t        var result = createBind(func, bitmask, thisArg);\n\t      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n\t        result = createCurry(func, bitmask, arity);\n\t      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n\t        result = createPartial(func, bitmask, thisArg, partials);\n\t      } else {\n\t        result = createHybrid.apply(undefined, newData);\n\t      }\n\t      var setter = data ? baseSetData : setData;\n\t      return setWrapToString(setter(result, newData), func, bitmask);\n\t    }\n\t\n\t    /**\n\t     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n\t     * of source objects to the destination object for all destination properties\n\t     * that resolve to `undefined`.\n\t     *\n\t     * @private\n\t     * @param {*} objValue The destination value.\n\t     * @param {*} srcValue The source value.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {Object} object The parent object of `objValue`.\n\t     * @returns {*} Returns the value to assign.\n\t     */\n\t    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n\t      if (objValue === undefined ||\n\t          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n\t        return srcValue;\n\t      }\n\t      return objValue;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n\t     * objects into destination objects that are passed thru.\n\t     *\n\t     * @private\n\t     * @param {*} objValue The destination value.\n\t     * @param {*} srcValue The source value.\n\t     * @param {string} key The key of the property to merge.\n\t     * @param {Object} object The parent object of `objValue`.\n\t     * @param {Object} source The parent object of `srcValue`.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     * @returns {*} Returns the value to assign.\n\t     */\n\t    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n\t      if (isObject(objValue) && isObject(srcValue)) {\n\t        // Recursively merge objects and arrays (susceptible to call stack limits).\n\t        stack.set(srcValue, objValue);\n\t        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n\t        stack['delete'](srcValue);\n\t      }\n\t      return objValue;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n\t     * objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @param {string} key The key of the property to inspect.\n\t     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n\t     */\n\t    function customOmitClone(value) {\n\t      return isPlainObject(value) ? undefined : value;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for arrays with support for\n\t     * partial deep comparisons.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to compare.\n\t     * @param {Array} other The other array to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `array` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n\t     */\n\t    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n\t      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n\t          arrLength = array.length,\n\t          othLength = other.length;\n\t\n\t      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n\t        return false;\n\t      }\n\t      // Assume cyclic values are equal.\n\t      var stacked = stack.get(array);\n\t      if (stacked && stack.get(other)) {\n\t        return stacked == other;\n\t      }\n\t      var index = -1,\n\t          result = true,\n\t          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\t\n\t      stack.set(array, other);\n\t      stack.set(other, array);\n\t\n\t      // Ignore non-index properties.\n\t      while (++index < arrLength) {\n\t        var arrValue = array[index],\n\t            othValue = other[index];\n\t\n\t        if (customizer) {\n\t          var compared = isPartial\n\t            ? customizer(othValue, arrValue, index, other, array, stack)\n\t            : customizer(arrValue, othValue, index, array, other, stack);\n\t        }\n\t        if (compared !== undefined) {\n\t          if (compared) {\n\t            continue;\n\t          }\n\t          result = false;\n\t          break;\n\t        }\n\t        // Recursively compare arrays (susceptible to call stack limits).\n\t        if (seen) {\n\t          if (!arraySome(other, function(othValue, othIndex) {\n\t                if (!cacheHas(seen, othIndex) &&\n\t                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n\t                  return seen.push(othIndex);\n\t                }\n\t              })) {\n\t            result = false;\n\t            break;\n\t          }\n\t        } else if (!(\n\t              arrValue === othValue ||\n\t                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n\t            )) {\n\t          result = false;\n\t          break;\n\t        }\n\t      }\n\t      stack['delete'](array);\n\t      stack['delete'](other);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for comparing objects of\n\t     * the same `toStringTag`.\n\t     *\n\t     * **Note:** This function only supports comparing values with tags of\n\t     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {string} tag The `toStringTag` of the objects to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n\t      switch (tag) {\n\t        case dataViewTag:\n\t          if ((object.byteLength != other.byteLength) ||\n\t              (object.byteOffset != other.byteOffset)) {\n\t            return false;\n\t          }\n\t          object = object.buffer;\n\t          other = other.buffer;\n\t\n\t        case arrayBufferTag:\n\t          if ((object.byteLength != other.byteLength) ||\n\t              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n\t            return false;\n\t          }\n\t          return true;\n\t\n\t        case boolTag:\n\t        case dateTag:\n\t        case numberTag:\n\t          // Coerce booleans to `1` or `0` and dates to milliseconds.\n\t          // Invalid dates are coerced to `NaN`.\n\t          return eq(+object, +other);\n\t\n\t        case errorTag:\n\t          return object.name == other.name && object.message == other.message;\n\t\n\t        case regexpTag:\n\t        case stringTag:\n\t          // Coerce regexes to strings and treat strings, primitives and objects,\n\t          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n\t          // for more details.\n\t          return object == (other + '');\n\t\n\t        case mapTag:\n\t          var convert = mapToArray;\n\t\n\t        case setTag:\n\t          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n\t          convert || (convert = setToArray);\n\t\n\t          if (object.size != other.size && !isPartial) {\n\t            return false;\n\t          }\n\t          // Assume cyclic values are equal.\n\t          var stacked = stack.get(object);\n\t          if (stacked) {\n\t            return stacked == other;\n\t          }\n\t          bitmask |= COMPARE_UNORDERED_FLAG;\n\t\n\t          // Recursively compare objects (susceptible to call stack limits).\n\t          stack.set(object, other);\n\t          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n\t          stack['delete'](object);\n\t          return result;\n\t\n\t        case symbolTag:\n\t          if (symbolValueOf) {\n\t            return symbolValueOf.call(object) == symbolValueOf.call(other);\n\t          }\n\t      }\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for objects with support for\n\t     * partial deep comparisons.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n\t      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n\t          objProps = getAllKeys(object),\n\t          objLength = objProps.length,\n\t          othProps = getAllKeys(other),\n\t          othLength = othProps.length;\n\t\n\t      if (objLength != othLength && !isPartial) {\n\t        return false;\n\t      }\n\t      var index = objLength;\n\t      while (index--) {\n\t        var key = objProps[index];\n\t        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n\t          return false;\n\t        }\n\t      }\n\t      // Assume cyclic values are equal.\n\t      var stacked = stack.get(object);\n\t      if (stacked && stack.get(other)) {\n\t        return stacked == other;\n\t      }\n\t      var result = true;\n\t      stack.set(object, other);\n\t      stack.set(other, object);\n\t\n\t      var skipCtor = isPartial;\n\t      while (++index < objLength) {\n\t        key = objProps[index];\n\t        var objValue = object[key],\n\t            othValue = other[key];\n\t\n\t        if (customizer) {\n\t          var compared = isPartial\n\t            ? customizer(othValue, objValue, key, other, object, stack)\n\t            : customizer(objValue, othValue, key, object, other, stack);\n\t        }\n\t        // Recursively compare objects (susceptible to call stack limits).\n\t        if (!(compared === undefined\n\t              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n\t              : compared\n\t            )) {\n\t          result = false;\n\t          break;\n\t        }\n\t        skipCtor || (skipCtor = key == 'constructor');\n\t      }\n\t      if (result && !skipCtor) {\n\t        var objCtor = object.constructor,\n\t            othCtor = other.constructor;\n\t\n\t        // Non `Object` object instances with different constructors are not equal.\n\t        if (objCtor != othCtor &&\n\t            ('constructor' in object && 'constructor' in other) &&\n\t            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n\t              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n\t          result = false;\n\t        }\n\t      }\n\t      stack['delete'](object);\n\t      stack['delete'](other);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseRest` which flattens the rest array.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function flatRest(func) {\n\t      return setToString(overRest(func, undefined, flatten), func + '');\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own enumerable property names and symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function getAllKeys(object) {\n\t      return baseGetAllKeys(object, keys, getSymbols);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own and inherited enumerable property names and\n\t     * symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function getAllKeysIn(object) {\n\t      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n\t    }\n\t\n\t    /**\n\t     * Gets metadata for `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to query.\n\t     * @returns {*} Returns the metadata for `func`.\n\t     */\n\t    var getData = !metaMap ? noop : function(func) {\n\t      return metaMap.get(func);\n\t    };\n\t\n\t    /**\n\t     * Gets the name of `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to query.\n\t     * @returns {string} Returns the function name.\n\t     */\n\t    function getFuncName(func) {\n\t      var result = (func.name + ''),\n\t          array = realNames[result],\n\t          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\t\n\t      while (length--) {\n\t        var data = array[length],\n\t            otherFunc = data.func;\n\t        if (otherFunc == null || otherFunc == func) {\n\t          return data.name;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the argument placeholder value for `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to inspect.\n\t     * @returns {*} Returns the placeholder value.\n\t     */\n\t    function getHolder(func) {\n\t      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n\t      return object.placeholder;\n\t    }\n\t\n\t    /**\n\t     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n\t     * this function returns the custom method, otherwise it returns `baseIteratee`.\n\t     * If arguments are provided, the chosen function is invoked with them and\n\t     * its result is returned.\n\t     *\n\t     * @private\n\t     * @param {*} [value] The value to convert to an iteratee.\n\t     * @param {number} [arity] The arity of the created iteratee.\n\t     * @returns {Function} Returns the chosen function or its result.\n\t     */\n\t    function getIteratee() {\n\t      var result = lodash.iteratee || iteratee;\n\t      result = result === iteratee ? baseIteratee : result;\n\t      return arguments.length ? result(arguments[0], arguments[1]) : result;\n\t    }\n\t\n\t    /**\n\t     * Gets the data for `map`.\n\t     *\n\t     * @private\n\t     * @param {Object} map The map to query.\n\t     * @param {string} key The reference key.\n\t     * @returns {*} Returns the map data.\n\t     */\n\t    function getMapData(map, key) {\n\t      var data = map.__data__;\n\t      return isKeyable(key)\n\t        ? data[typeof key == 'string' ? 'string' : 'hash']\n\t        : data.map;\n\t    }\n\t\n\t    /**\n\t     * Gets the property names, values, and compare flags of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the match data of `object`.\n\t     */\n\t    function getMatchData(object) {\n\t      var result = keys(object),\n\t          length = result.length;\n\t\n\t      while (length--) {\n\t        var key = result[length],\n\t            value = object[key];\n\t\n\t        result[length] = [key, value, isStrictComparable(value)];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the native function at `key` of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {string} key The key of the method to get.\n\t     * @returns {*} Returns the function if it's native, else `undefined`.\n\t     */\n\t    function getNative(object, key) {\n\t      var value = getValue(object, key);\n\t      return baseIsNative(value) ? value : undefined;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the raw `toStringTag`.\n\t     */\n\t    function getRawTag(value) {\n\t      var isOwn = hasOwnProperty.call(value, symToStringTag),\n\t          tag = value[symToStringTag];\n\t\n\t      try {\n\t        value[symToStringTag] = undefined;\n\t        var unmasked = true;\n\t      } catch (e) {}\n\t\n\t      var result = nativeObjectToString.call(value);\n\t      if (unmasked) {\n\t        if (isOwn) {\n\t          value[symToStringTag] = tag;\n\t        } else {\n\t          delete value[symToStringTag];\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own enumerable symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of symbols.\n\t     */\n\t    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n\t      if (object == null) {\n\t        return [];\n\t      }\n\t      object = Object(object);\n\t      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n\t        return propertyIsEnumerable.call(object, symbol);\n\t      });\n\t    };\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of symbols.\n\t     */\n\t    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n\t      var result = [];\n\t      while (object) {\n\t        arrayPush(result, getSymbols(object));\n\t        object = getPrototype(object);\n\t      }\n\t      return result;\n\t    };\n\t\n\t    /**\n\t     * Gets the `toStringTag` of `value`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the `toStringTag`.\n\t     */\n\t    var getTag = baseGetTag;\n\t\n\t    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n\t    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n\t        (Map && getTag(new Map) != mapTag) ||\n\t        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n\t        (Set && getTag(new Set) != setTag) ||\n\t        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n\t      getTag = function(value) {\n\t        var result = baseGetTag(value),\n\t            Ctor = result == objectTag ? value.constructor : undefined,\n\t            ctorString = Ctor ? toSource(Ctor) : '';\n\t\n\t        if (ctorString) {\n\t          switch (ctorString) {\n\t            case dataViewCtorString: return dataViewTag;\n\t            case mapCtorString: return mapTag;\n\t            case promiseCtorString: return promiseTag;\n\t            case setCtorString: return setTag;\n\t            case weakMapCtorString: return weakMapTag;\n\t          }\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n\t     *\n\t     * @private\n\t     * @param {number} start The start of the view.\n\t     * @param {number} end The end of the view.\n\t     * @param {Array} transforms The transformations to apply to the view.\n\t     * @returns {Object} Returns an object containing the `start` and `end`\n\t     *  positions of the view.\n\t     */\n\t    function getView(start, end, transforms) {\n\t      var index = -1,\n\t          length = transforms.length;\n\t\n\t      while (++index < length) {\n\t        var data = transforms[index],\n\t            size = data.size;\n\t\n\t        switch (data.type) {\n\t          case 'drop':      start += size; break;\n\t          case 'dropRight': end -= size; break;\n\t          case 'take':      end = nativeMin(end, start + size); break;\n\t          case 'takeRight': start = nativeMax(start, end - size); break;\n\t        }\n\t      }\n\t      return { 'start': start, 'end': end };\n\t    }\n\t\n\t    /**\n\t     * Extracts wrapper details from the `source` body comment.\n\t     *\n\t     * @private\n\t     * @param {string} source The source to inspect.\n\t     * @returns {Array} Returns the wrapper details.\n\t     */\n\t    function getWrapDetails(source) {\n\t      var match = source.match(reWrapDetails);\n\t      return match ? match[1].split(reSplitDetails) : [];\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` exists on `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @param {Function} hasFunc The function to check properties.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     */\n\t    function hasPath(object, path, hasFunc) {\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length,\n\t          result = false;\n\t\n\t      while (++index < length) {\n\t        var key = toKey(path[index]);\n\t        if (!(result = object != null && hasFunc(object, key))) {\n\t          break;\n\t        }\n\t        object = object[key];\n\t      }\n\t      if (result || ++index != length) {\n\t        return result;\n\t      }\n\t      length = object == null ? 0 : object.length;\n\t      return !!length && isLength(length) && isIndex(key, length) &&\n\t        (isArray(object) || isArguments(object));\n\t    }\n\t\n\t    /**\n\t     * Initializes an array clone.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to clone.\n\t     * @returns {Array} Returns the initialized clone.\n\t     */\n\t    function initCloneArray(array) {\n\t      var length = array.length,\n\t          result = array.constructor(length);\n\t\n\t      // Add properties assigned by `RegExp#exec`.\n\t      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n\t        result.index = array.index;\n\t        result.input = array.input;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Initializes an object clone.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to clone.\n\t     * @returns {Object} Returns the initialized clone.\n\t     */\n\t    function initCloneObject(object) {\n\t      return (typeof object.constructor == 'function' && !isPrototype(object))\n\t        ? baseCreate(getPrototype(object))\n\t        : {};\n\t    }\n\t\n\t    /**\n\t     * Initializes an object clone based on its `toStringTag`.\n\t     *\n\t     * **Note:** This function only supports cloning values with tags of\n\t     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to clone.\n\t     * @param {string} tag The `toStringTag` of the object to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the initialized clone.\n\t     */\n\t    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n\t      var Ctor = object.constructor;\n\t      switch (tag) {\n\t        case arrayBufferTag:\n\t          return cloneArrayBuffer(object);\n\t\n\t        case boolTag:\n\t        case dateTag:\n\t          return new Ctor(+object);\n\t\n\t        case dataViewTag:\n\t          return cloneDataView(object, isDeep);\n\t\n\t        case float32Tag: case float64Tag:\n\t        case int8Tag: case int16Tag: case int32Tag:\n\t        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n\t          return cloneTypedArray(object, isDeep);\n\t\n\t        case mapTag:\n\t          return cloneMap(object, isDeep, cloneFunc);\n\t\n\t        case numberTag:\n\t        case stringTag:\n\t          return new Ctor(object);\n\t\n\t        case regexpTag:\n\t          return cloneRegExp(object);\n\t\n\t        case setTag:\n\t          return cloneSet(object, isDeep, cloneFunc);\n\t\n\t        case symbolTag:\n\t          return cloneSymbol(object);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Inserts wrapper `details` in a comment at the top of the `source` body.\n\t     *\n\t     * @private\n\t     * @param {string} source The source to modify.\n\t     * @returns {Array} details The details to insert.\n\t     * @returns {string} Returns the modified source.\n\t     */\n\t    function insertWrapDetails(source, details) {\n\t      var length = details.length;\n\t      if (!length) {\n\t        return source;\n\t      }\n\t      var lastIndex = length - 1;\n\t      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n\t      details = details.join(length > 2 ? ', ' : ' ');\n\t      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a flattenable `arguments` object or array.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n\t     */\n\t    function isFlattenable(value) {\n\t      return isArray(value) || isArguments(value) ||\n\t        !!(spreadableSymbol && value && value[spreadableSymbol]);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a valid array-like index.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n\t     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n\t     */\n\t    function isIndex(value, length) {\n\t      length = length == null ? MAX_SAFE_INTEGER : length;\n\t      return !!length &&\n\t        (typeof value == 'number' || reIsUint.test(value)) &&\n\t        (value > -1 && value % 1 == 0 && value < length);\n\t    }\n\t\n\t    /**\n\t     * Checks if the given arguments are from an iteratee call.\n\t     *\n\t     * @private\n\t     * @param {*} value The potential iteratee value argument.\n\t     * @param {*} index The potential iteratee index or key argument.\n\t     * @param {*} object The potential iteratee object argument.\n\t     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n\t     *  else `false`.\n\t     */\n\t    function isIterateeCall(value, index, object) {\n\t      if (!isObject(object)) {\n\t        return false;\n\t      }\n\t      var type = typeof index;\n\t      if (type == 'number'\n\t            ? (isArrayLike(object) && isIndex(index, object.length))\n\t            : (type == 'string' && index in object)\n\t          ) {\n\t        return eq(object[index], value);\n\t      }\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a property name and not a property path.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @param {Object} [object] The object to query keys on.\n\t     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n\t     */\n\t    function isKey(value, object) {\n\t      if (isArray(value)) {\n\t        return false;\n\t      }\n\t      var type = typeof value;\n\t      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n\t          value == null || isSymbol(value)) {\n\t        return true;\n\t      }\n\t      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n\t        (object != null && value in Object(object));\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is suitable for use as unique object key.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n\t     */\n\t    function isKeyable(value) {\n\t      var type = typeof value;\n\t      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n\t        ? (value !== '__proto__')\n\t        : (value === null);\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` has a lazy counterpart.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to check.\n\t     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n\t     *  else `false`.\n\t     */\n\t    function isLaziable(func) {\n\t      var funcName = getFuncName(func),\n\t          other = lodash[funcName];\n\t\n\t      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n\t        return false;\n\t      }\n\t      if (func === other) {\n\t        return true;\n\t      }\n\t      var data = getData(other);\n\t      return !!data && func === data[0];\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` has its source masked.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to check.\n\t     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n\t     */\n\t    function isMasked(func) {\n\t      return !!maskSrcKey && (maskSrcKey in func);\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` is capable of being masked.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n\t     */\n\t    var isMaskable = coreJsData ? isFunction : stubFalse;\n\t\n\t    /**\n\t     * Checks if `value` is likely a prototype object.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n\t     */\n\t    function isPrototype(value) {\n\t      var Ctor = value && value.constructor,\n\t          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\t\n\t      return value === proto;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` if suitable for strict\n\t     *  equality comparisons, else `false`.\n\t     */\n\t    function isStrictComparable(value) {\n\t      return value === value && !isObject(value);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `matchesProperty` for source values suitable\n\t     * for strict equality comparisons, i.e. `===`.\n\t     *\n\t     * @private\n\t     * @param {string} key The key of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function matchesStrictComparable(key, srcValue) {\n\t      return function(object) {\n\t        if (object == null) {\n\t          return false;\n\t        }\n\t        return object[key] === srcValue &&\n\t          (srcValue !== undefined || (key in Object(object)));\n\t      };\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.memoize` which clears the memoized function's\n\t     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to have its output memoized.\n\t     * @returns {Function} Returns the new memoized function.\n\t     */\n\t    function memoizeCapped(func) {\n\t      var result = memoize(func, function(key) {\n\t        if (cache.size === MAX_MEMOIZE_SIZE) {\n\t          cache.clear();\n\t        }\n\t        return key;\n\t      });\n\t\n\t      var cache = result.cache;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Merges the function metadata of `source` into `data`.\n\t     *\n\t     * Merging metadata reduces the number of wrappers used to invoke a function.\n\t     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n\t     * may be applied regardless of execution order. Methods like `_.ary` and\n\t     * `_.rearg` modify function arguments, making the order in which they are\n\t     * executed important, preventing the merging of metadata. However, we make\n\t     * an exception for a safe combined case where curried functions have `_.ary`\n\t     * and or `_.rearg` applied.\n\t     *\n\t     * @private\n\t     * @param {Array} data The destination metadata.\n\t     * @param {Array} source The source metadata.\n\t     * @returns {Array} Returns `data`.\n\t     */\n\t    function mergeData(data, source) {\n\t      var bitmask = data[1],\n\t          srcBitmask = source[1],\n\t          newBitmask = bitmask | srcBitmask,\n\t          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\t\n\t      var isCombo =\n\t        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n\t        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n\t        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\t\n\t      // Exit early if metadata can't be merged.\n\t      if (!(isCommon || isCombo)) {\n\t        return data;\n\t      }\n\t      // Use source `thisArg` if available.\n\t      if (srcBitmask & WRAP_BIND_FLAG) {\n\t        data[2] = source[2];\n\t        // Set when currying a bound function.\n\t        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n\t      }\n\t      // Compose partial arguments.\n\t      var value = source[3];\n\t      if (value) {\n\t        var partials = data[3];\n\t        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n\t        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n\t      }\n\t      // Compose partial right arguments.\n\t      value = source[5];\n\t      if (value) {\n\t        partials = data[5];\n\t        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n\t        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n\t      }\n\t      // Use source `argPos` if available.\n\t      value = source[7];\n\t      if (value) {\n\t        data[7] = value;\n\t      }\n\t      // Use source `ary` if it's smaller.\n\t      if (srcBitmask & WRAP_ARY_FLAG) {\n\t        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n\t      }\n\t      // Use source `arity` if one is not provided.\n\t      if (data[9] == null) {\n\t        data[9] = source[9];\n\t      }\n\t      // Use source `func` and merge bitmasks.\n\t      data[0] = source[0];\n\t      data[1] = newBitmask;\n\t\n\t      return data;\n\t    }\n\t\n\t    /**\n\t     * This function is like\n\t     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n\t     * except that it includes inherited enumerable properties.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function nativeKeysIn(object) {\n\t      var result = [];\n\t      if (object != null) {\n\t        for (var key in Object(object)) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a string using `Object.prototype.toString`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to convert.\n\t     * @returns {string} Returns the converted string.\n\t     */\n\t    function objectToString(value) {\n\t      return nativeObjectToString.call(value);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseRest` which transforms the rest array.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @param {Function} transform The rest array transform.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function overRest(func, start, transform) {\n\t      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n\t      return function() {\n\t        var args = arguments,\n\t            index = -1,\n\t            length = nativeMax(args.length - start, 0),\n\t            array = Array(length);\n\t\n\t        while (++index < length) {\n\t          array[index] = args[start + index];\n\t        }\n\t        index = -1;\n\t        var otherArgs = Array(start + 1);\n\t        while (++index < start) {\n\t          otherArgs[index] = args[index];\n\t        }\n\t        otherArgs[start] = transform(array);\n\t        return apply(func, this, otherArgs);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Gets the parent value at `path` of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array} path The path to get the parent value of.\n\t     * @returns {*} Returns the parent value.\n\t     */\n\t    function parent(object, path) {\n\t      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n\t    }\n\t\n\t    /**\n\t     * Reorder `array` according to the specified indexes where the element at\n\t     * the first index is assigned as the first element, the element at\n\t     * the second index is assigned as the second element, and so on.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to reorder.\n\t     * @param {Array} indexes The arranged array indexes.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function reorder(array, indexes) {\n\t      var arrLength = array.length,\n\t          length = nativeMin(indexes.length, arrLength),\n\t          oldArray = copyArray(array);\n\t\n\t      while (length--) {\n\t        var index = indexes[length];\n\t        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Sets metadata for `func`.\n\t     *\n\t     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n\t     * period of time, it will trip its breaker and transition to an identity\n\t     * function to avoid garbage collection pauses in V8. See\n\t     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n\t     * for more details.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to associate metadata with.\n\t     * @param {*} data The metadata.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var setData = shortOut(baseSetData);\n\t\n\t    /**\n\t     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @returns {number|Object} Returns the timer id or timeout object.\n\t     */\n\t    var setTimeout = ctxSetTimeout || function(func, wait) {\n\t      return root.setTimeout(func, wait);\n\t    };\n\t\n\t    /**\n\t     * Sets the `toString` method of `func` to return `string`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to modify.\n\t     * @param {Function} string The `toString` result.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var setToString = shortOut(baseSetToString);\n\t\n\t    /**\n\t     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n\t     * with wrapper details in a comment at the top of the source body.\n\t     *\n\t     * @private\n\t     * @param {Function} wrapper The function to modify.\n\t     * @param {Function} reference The reference function.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @returns {Function} Returns `wrapper`.\n\t     */\n\t    function setWrapToString(wrapper, reference, bitmask) {\n\t      var source = (reference + '');\n\t      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that'll short out and invoke `identity` instead\n\t     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n\t     * milliseconds.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new shortable function.\n\t     */\n\t    function shortOut(func) {\n\t      var count = 0,\n\t          lastCalled = 0;\n\t\n\t      return function() {\n\t        var stamp = nativeNow(),\n\t            remaining = HOT_SPAN - (stamp - lastCalled);\n\t\n\t        lastCalled = stamp;\n\t        if (remaining > 0) {\n\t          if (++count >= HOT_COUNT) {\n\t            return arguments[0];\n\t          }\n\t        } else {\n\t          count = 0;\n\t        }\n\t        return func.apply(undefined, arguments);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to shuffle.\n\t     * @param {number} [size=array.length] The size of `array`.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function shuffleSelf(array, size) {\n\t      var index = -1,\n\t          length = array.length,\n\t          lastIndex = length - 1;\n\t\n\t      size = size === undefined ? length : size;\n\t      while (++index < size) {\n\t        var rand = baseRandom(index, lastIndex),\n\t            value = array[rand];\n\t\n\t        array[rand] = array[index];\n\t        array[index] = value;\n\t      }\n\t      array.length = size;\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to a property path array.\n\t     *\n\t     * @private\n\t     * @param {string} string The string to convert.\n\t     * @returns {Array} Returns the property path array.\n\t     */\n\t    var stringToPath = memoizeCapped(function(string) {\n\t      var result = [];\n\t      if (reLeadingDot.test(string)) {\n\t        result.push('');\n\t      }\n\t      string.replace(rePropName, function(match, number, quote, string) {\n\t        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n\t      });\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Converts `value` to a string key if it's not a string or symbol.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {string|symbol} Returns the key.\n\t     */\n\t    function toKey(value) {\n\t      if (typeof value == 'string' || isSymbol(value)) {\n\t        return value;\n\t      }\n\t      var result = (value + '');\n\t      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t    }\n\t\n\t    /**\n\t     * Converts `func` to its source code.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to convert.\n\t     * @returns {string} Returns the source code.\n\t     */\n\t    function toSource(func) {\n\t      if (func != null) {\n\t        try {\n\t          return funcToString.call(func);\n\t        } catch (e) {}\n\t        try {\n\t          return (func + '');\n\t        } catch (e) {}\n\t      }\n\t      return '';\n\t    }\n\t\n\t    /**\n\t     * Updates wrapper `details` based on `bitmask` flags.\n\t     *\n\t     * @private\n\t     * @returns {Array} details The details to modify.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @returns {Array} Returns `details`.\n\t     */\n\t    function updateWrapDetails(details, bitmask) {\n\t      arrayEach(wrapFlags, function(pair) {\n\t        var value = '_.' + pair[0];\n\t        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n\t          details.push(value);\n\t        }\n\t      });\n\t      return details.sort();\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `wrapper`.\n\t     *\n\t     * @private\n\t     * @param {Object} wrapper The wrapper to clone.\n\t     * @returns {Object} Returns the cloned wrapper.\n\t     */\n\t    function wrapperClone(wrapper) {\n\t      if (wrapper instanceof LazyWrapper) {\n\t        return wrapper.clone();\n\t      }\n\t      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n\t      result.__actions__ = copyArray(wrapper.__actions__);\n\t      result.__index__  = wrapper.__index__;\n\t      result.__values__ = wrapper.__values__;\n\t      return result;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an array of elements split into groups the length of `size`.\n\t     * If `array` can't be split evenly, the final chunk will be the remaining\n\t     * elements.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to process.\n\t     * @param {number} [size=1] The length of each chunk\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the new array of chunks.\n\t     * @example\n\t     *\n\t     * _.chunk(['a', 'b', 'c', 'd'], 2);\n\t     * // => [['a', 'b'], ['c', 'd']]\n\t     *\n\t     * _.chunk(['a', 'b', 'c', 'd'], 3);\n\t     * // => [['a', 'b', 'c'], ['d']]\n\t     */\n\t    function chunk(array, size, guard) {\n\t      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n\t        size = 1;\n\t      } else {\n\t        size = nativeMax(toInteger(size), 0);\n\t      }\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length || size < 1) {\n\t        return [];\n\t      }\n\t      var index = 0,\n\t          resIndex = 0,\n\t          result = Array(nativeCeil(length / size));\n\t\n\t      while (index < length) {\n\t        result[resIndex++] = baseSlice(array, index, (index += size));\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an array with all falsey values removed. The values `false`, `null`,\n\t     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to compact.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.compact([0, 1, false, 2, '', 3]);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function compact(array) {\n\t      var index = -1,\n\t          length = array == null ? 0 : array.length,\n\t          resIndex = 0,\n\t          result = [];\n\t\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (value) {\n\t          result[resIndex++] = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a new array concatenating `array` with any additional arrays\n\t     * and/or values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to concatenate.\n\t     * @param {...*} [values] The values to concatenate.\n\t     * @returns {Array} Returns the new concatenated array.\n\t     * @example\n\t     *\n\t     * var array = [1];\n\t     * var other = _.concat(array, 2, [3], [[4]]);\n\t     *\n\t     * console.log(other);\n\t     * // => [1, 2, 3, [4]]\n\t     *\n\t     * console.log(array);\n\t     * // => [1]\n\t     */\n\t    function concat() {\n\t      var length = arguments.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      var args = Array(length - 1),\n\t          array = arguments[0],\n\t          index = length;\n\t\n\t      while (index--) {\n\t        args[index - 1] = arguments[index];\n\t      }\n\t      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of `array` values not included in the other given arrays\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. The order and references of result values are\n\t     * determined by the first array.\n\t     *\n\t     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.without, _.xor\n\t     * @example\n\t     *\n\t     * _.difference([2, 1], [2, 3]);\n\t     * // => [1]\n\t     */\n\t    var difference = baseRest(function(array, values) {\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.difference` except that it accepts `iteratee` which\n\t     * is invoked for each element of `array` and `values` to generate the criterion\n\t     * by which they're compared. The order and references of result values are\n\t     * determined by the first array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    var differenceBy = baseRest(function(array, values) {\n\t      var iteratee = last(values);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.difference` except that it accepts `comparator`\n\t     * which is invoked to compare elements of `array` to `values`. The order and\n\t     * references of result values are determined by the first array. The comparator\n\t     * is invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     *\n\t     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n\t     * // => [{ 'x': 2, 'y': 1 }]\n\t     */\n\t    var differenceWith = baseRest(function(array, values) {\n\t      var comparator = last(values);\n\t      if (isArrayLikeObject(comparator)) {\n\t        comparator = undefined;\n\t      }\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements dropped from the beginning.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to drop.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.drop([1, 2, 3]);\n\t     * // => [2, 3]\n\t     *\n\t     * _.drop([1, 2, 3], 2);\n\t     * // => [3]\n\t     *\n\t     * _.drop([1, 2, 3], 5);\n\t     * // => []\n\t     *\n\t     * _.drop([1, 2, 3], 0);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function drop(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      return baseSlice(array, n < 0 ? 0 : n, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements dropped from the end.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to drop.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.dropRight([1, 2, 3]);\n\t     * // => [1, 2]\n\t     *\n\t     * _.dropRight([1, 2, 3], 2);\n\t     * // => [1]\n\t     *\n\t     * _.dropRight([1, 2, 3], 5);\n\t     * // => []\n\t     *\n\t     * _.dropRight([1, 2, 3], 0);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function dropRight(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      n = length - n;\n\t      return baseSlice(array, 0, n < 0 ? 0 : n);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` excluding elements dropped from the end.\n\t     * Elements are dropped until `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.dropRightWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.dropRightWhile(users, ['active', false]);\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.dropRightWhile(users, 'active');\n\t     * // => objects for ['barney', 'fred', 'pebbles']\n\t     */\n\t    function dropRightWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` excluding elements dropped from the beginning.\n\t     * Elements are dropped until `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.dropWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.dropWhile(users, ['active', false]);\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.dropWhile(users, 'active');\n\t     * // => objects for ['barney', 'fred', 'pebbles']\n\t     */\n\t    function dropWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Fills elements of `array` with `value` from `start` up to, but not\n\t     * including, `end`.\n\t     *\n\t     * **Note:** This method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Array\n\t     * @param {Array} array The array to fill.\n\t     * @param {*} value The value to fill `array` with.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _.fill(array, 'a');\n\t     * console.log(array);\n\t     * // => ['a', 'a', 'a']\n\t     *\n\t     * _.fill(Array(3), 2);\n\t     * // => [2, 2, 2]\n\t     *\n\t     * _.fill([4, 6, 8, 10], '*', 1, 3);\n\t     * // => [4, '*', '*', 10]\n\t     */\n\t    function fill(array, value, start, end) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n\t        start = 0;\n\t        end = length;\n\t      }\n\t      return baseFill(array, value, start, end);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.find` except that it returns the index of the first\n\t     * element `predicate` returns truthy for instead of the element itself.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {number} Returns the index of the found element, else `-1`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n\t     * // => 0\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findIndex(users, { 'user': 'fred', 'active': false });\n\t     * // => 1\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findIndex(users, ['active', false]);\n\t     * // => 0\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findIndex(users, 'active');\n\t     * // => 2\n\t     */\n\t    function findIndex(array, predicate, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\t      if (index < 0) {\n\t        index = nativeMax(length + index, 0);\n\t      }\n\t      return baseFindIndex(array, getIteratee(predicate, 3), index);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.findIndex` except that it iterates over elements\n\t     * of `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=array.length-1] The index to search from.\n\t     * @returns {number} Returns the index of the found element, else `-1`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n\t     * // => 2\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n\t     * // => 0\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findLastIndex(users, ['active', false]);\n\t     * // => 2\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findLastIndex(users, 'active');\n\t     * // => 0\n\t     */\n\t    function findLastIndex(array, predicate, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = length - 1;\n\t      if (fromIndex !== undefined) {\n\t        index = toInteger(fromIndex);\n\t        index = fromIndex < 0\n\t          ? nativeMax(length + index, 0)\n\t          : nativeMin(index, length - 1);\n\t      }\n\t      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n\t    }\n\t\n\t    /**\n\t     * Flattens `array` a single level deep.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * _.flatten([1, [2, [3, [4]], 5]]);\n\t     * // => [1, 2, [3, [4]], 5]\n\t     */\n\t    function flatten(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseFlatten(array, 1) : [];\n\t    }\n\t\n\t    /**\n\t     * Recursively flattens `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n\t     * // => [1, 2, 3, 4, 5]\n\t     */\n\t    function flattenDeep(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseFlatten(array, INFINITY) : [];\n\t    }\n\t\n\t    /**\n\t     * Recursively flatten `array` up to `depth` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.4.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @param {number} [depth=1] The maximum recursion depth.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * var array = [1, [2, [3, [4]], 5]];\n\t     *\n\t     * _.flattenDepth(array, 1);\n\t     * // => [1, 2, [3, [4]], 5]\n\t     *\n\t     * _.flattenDepth(array, 2);\n\t     * // => [1, 2, 3, [4], 5]\n\t     */\n\t    function flattenDepth(array, depth) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      depth = depth === undefined ? 1 : toInteger(depth);\n\t      return baseFlatten(array, depth);\n\t    }\n\t\n\t    /**\n\t     * The inverse of `_.toPairs`; this method returns an object composed\n\t     * from key-value `pairs`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} pairs The key-value pairs.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.fromPairs([['a', 1], ['b', 2]]);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    function fromPairs(pairs) {\n\t      var index = -1,\n\t          length = pairs == null ? 0 : pairs.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var pair = pairs[index];\n\t        result[pair[0]] = pair[1];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the first element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias first\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {*} Returns the first element of `array`.\n\t     * @example\n\t     *\n\t     * _.head([1, 2, 3]);\n\t     * // => 1\n\t     *\n\t     * _.head([]);\n\t     * // => undefined\n\t     */\n\t    function head(array) {\n\t      return (array && array.length) ? array[0] : undefined;\n\t    }\n\t\n\t    /**\n\t     * Gets the index at which the first occurrence of `value` is found in `array`\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. If `fromIndex` is negative, it's used as the\n\t     * offset from the end of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.indexOf([1, 2, 1, 2], 2);\n\t     * // => 1\n\t     *\n\t     * // Search from the `fromIndex`.\n\t     * _.indexOf([1, 2, 1, 2], 2, 2);\n\t     * // => 3\n\t     */\n\t    function indexOf(array, value, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\t      if (index < 0) {\n\t        index = nativeMax(length + index, 0);\n\t      }\n\t      return baseIndexOf(array, value, index);\n\t    }\n\t\n\t    /**\n\t     * Gets all but the last element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.initial([1, 2, 3]);\n\t     * // => [1, 2]\n\t     */\n\t    function initial(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseSlice(array, 0, -1) : [];\n\t    }\n\t\n\t    /**\n\t     * Creates an array of unique values that are included in all given arrays\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. The order and references of result values are\n\t     * determined by the first array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * _.intersection([2, 1], [2, 3]);\n\t     * // => [2]\n\t     */\n\t    var intersection = baseRest(function(arrays) {\n\t      var mapped = arrayMap(arrays, castArrayLikeObject);\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.intersection` except that it accepts `iteratee`\n\t     * which is invoked for each element of each `arrays` to generate the criterion\n\t     * by which they're compared. The order and references of result values are\n\t     * determined by the first array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [2.1]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }]\n\t     */\n\t    var intersectionBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays),\n\t          mapped = arrayMap(arrays, castArrayLikeObject);\n\t\n\t      if (iteratee === last(mapped)) {\n\t        iteratee = undefined;\n\t      } else {\n\t        mapped.pop();\n\t      }\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.intersection` except that it accepts `comparator`\n\t     * which is invoked to compare elements of `arrays`. The order and references\n\t     * of result values are determined by the first array. The comparator is\n\t     * invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.intersectionWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }]\n\t     */\n\t    var intersectionWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays),\n\t          mapped = arrayMap(arrays, castArrayLikeObject);\n\t\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      if (comparator) {\n\t        mapped.pop();\n\t      }\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped, undefined, comparator)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Converts all elements in `array` into a string separated by `separator`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to convert.\n\t     * @param {string} [separator=','] The element separator.\n\t     * @returns {string} Returns the joined string.\n\t     * @example\n\t     *\n\t     * _.join(['a', 'b', 'c'], '~');\n\t     * // => 'a~b~c'\n\t     */\n\t    function join(array, separator) {\n\t      return array == null ? '' : nativeJoin.call(array, separator);\n\t    }\n\t\n\t    /**\n\t     * Gets the last element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {*} Returns the last element of `array`.\n\t     * @example\n\t     *\n\t     * _.last([1, 2, 3]);\n\t     * // => 3\n\t     */\n\t    function last(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? array[length - 1] : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.indexOf` except that it iterates over elements of\n\t     * `array` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=array.length-1] The index to search from.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.lastIndexOf([1, 2, 1, 2], 2);\n\t     * // => 3\n\t     *\n\t     * // Search from the `fromIndex`.\n\t     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n\t     * // => 1\n\t     */\n\t    function lastIndexOf(array, value, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = length;\n\t      if (fromIndex !== undefined) {\n\t        index = toInteger(fromIndex);\n\t        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n\t      }\n\t      return value === value\n\t        ? strictLastIndexOf(array, value, index)\n\t        : baseFindIndex(array, baseIsNaN, index, true);\n\t    }\n\t\n\t    /**\n\t     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n\t     * element from the end is returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.11.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=0] The index of the element to return.\n\t     * @returns {*} Returns the nth element of `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'd'];\n\t     *\n\t     * _.nth(array, 1);\n\t     * // => 'b'\n\t     *\n\t     * _.nth(array, -2);\n\t     * // => 'c';\n\t     */\n\t    function nth(array, n) {\n\t      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n\t    }\n\t\n\t    /**\n\t     * Removes all given values from `array` using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n\t     * to remove elements from an array by predicate.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {...*} [values] The values to remove.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n\t     *\n\t     * _.pull(array, 'a', 'c');\n\t     * console.log(array);\n\t     * // => ['b', 'b']\n\t     */\n\t    var pull = baseRest(pullAll);\n\t\n\t    /**\n\t     * This method is like `_.pull` except that it accepts an array of values to remove.\n\t     *\n\t     * **Note:** Unlike `_.difference`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n\t     *\n\t     * _.pullAll(array, ['a', 'c']);\n\t     * console.log(array);\n\t     * // => ['b', 'b']\n\t     */\n\t    function pullAll(array, values) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values)\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n\t     * invoked for each element of `array` and `values` to generate the criterion\n\t     * by which they're compared. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n\t     *\n\t     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n\t     * console.log(array);\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    function pullAllBy(array, values, iteratee) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values, getIteratee(iteratee, 2))\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.pullAll` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `array` to `values`. The comparator is\n\t     * invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n\t     *\n\t     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n\t     * console.log(array);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n\t     */\n\t    function pullAllWith(array, values, comparator) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values, undefined, comparator)\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * Removes elements from `array` corresponding to `indexes` and returns an\n\t     * array of removed elements.\n\t     *\n\t     * **Note:** Unlike `_.at`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n\t     * @returns {Array} Returns the new array of removed elements.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'd'];\n\t     * var pulled = _.pullAt(array, [1, 3]);\n\t     *\n\t     * console.log(array);\n\t     * // => ['a', 'c']\n\t     *\n\t     * console.log(pulled);\n\t     * // => ['b', 'd']\n\t     */\n\t    var pullAt = flatRest(function(array, indexes) {\n\t      var length = array == null ? 0 : array.length,\n\t          result = baseAt(array, indexes);\n\t\n\t      basePullAt(array, arrayMap(indexes, function(index) {\n\t        return isIndex(index, length) ? +index : index;\n\t      }).sort(compareAscending));\n\t\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Removes all elements from `array` that `predicate` returns truthy for\n\t     * and returns an array of the removed elements. The predicate is invoked\n\t     * with three arguments: (value, index, array).\n\t     *\n\t     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n\t     * to pull elements from an array by value.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new array of removed elements.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3, 4];\n\t     * var evens = _.remove(array, function(n) {\n\t     *   return n % 2 == 0;\n\t     * });\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 3]\n\t     *\n\t     * console.log(evens);\n\t     * // => [2, 4]\n\t     */\n\t    function remove(array, predicate) {\n\t      var result = [];\n\t      if (!(array && array.length)) {\n\t        return result;\n\t      }\n\t      var index = -1,\n\t          indexes = [],\n\t          length = array.length;\n\t\n\t      predicate = getIteratee(predicate, 3);\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (predicate(value, index, array)) {\n\t          result.push(value);\n\t          indexes.push(index);\n\t        }\n\t      }\n\t      basePullAt(array, indexes);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Reverses `array` so that the first element becomes the last, the second\n\t     * element becomes the second to last, and so on.\n\t     *\n\t     * **Note:** This method mutates `array` and is based on\n\t     * [`Array#reverse`](https://mdn.io/Array/reverse).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _.reverse(array);\n\t     * // => [3, 2, 1]\n\t     *\n\t     * console.log(array);\n\t     * // => [3, 2, 1]\n\t     */\n\t    function reverse(array) {\n\t      return array == null ? array : nativeReverse.call(array);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` from `start` up to, but not including, `end`.\n\t     *\n\t     * **Note:** This method is used instead of\n\t     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n\t     * returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to slice.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function slice(array, start, end) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n\t        start = 0;\n\t        end = length;\n\t      }\n\t      else {\n\t        start = start == null ? 0 : toInteger(start);\n\t        end = end === undefined ? length : toInteger(end);\n\t      }\n\t      return baseSlice(array, start, end);\n\t    }\n\t\n\t    /**\n\t     * Uses a binary search to determine the lowest index at which `value`\n\t     * should be inserted into `array` in order to maintain its sort order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * _.sortedIndex([30, 50], 40);\n\t     * // => 1\n\t     */\n\t    function sortedIndex(array, value) {\n\t      return baseSortedIndex(array, value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n\t     * which is invoked for `value` and each element of `array` to compute their\n\t     * sort ranking. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n\t     *\n\t     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n\t     * // => 0\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n\t     * // => 0\n\t     */\n\t    function sortedIndexBy(array, value, iteratee) {\n\t      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.indexOf` except that it performs a binary\n\t     * search on a sorted `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n\t     * // => 1\n\t     */\n\t    function sortedIndexOf(array, value) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (length) {\n\t        var index = baseSortedIndex(array, value);\n\t        if (index < length && eq(array[index], value)) {\n\t          return index;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedIndex` except that it returns the highest\n\t     * index at which `value` should be inserted into `array` in order to\n\t     * maintain its sort order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n\t     * // => 4\n\t     */\n\t    function sortedLastIndex(array, value) {\n\t      return baseSortedIndex(array, value, true);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n\t     * which is invoked for `value` and each element of `array` to compute their\n\t     * sort ranking. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n\t     *\n\t     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n\t     * // => 1\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n\t     * // => 1\n\t     */\n\t    function sortedLastIndexBy(array, value, iteratee) {\n\t      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.lastIndexOf` except that it performs a binary\n\t     * search on a sorted `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n\t     * // => 3\n\t     */\n\t    function sortedLastIndexOf(array, value) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (length) {\n\t        var index = baseSortedIndex(array, value, true) - 1;\n\t        if (eq(array[index], value)) {\n\t          return index;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it's designed and optimized\n\t     * for sorted arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.sortedUniq([1, 1, 2]);\n\t     * // => [1, 2]\n\t     */\n\t    function sortedUniq(array) {\n\t      return (array && array.length)\n\t        ? baseSortedUniq(array)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniqBy` except that it's designed and optimized\n\t     * for sorted arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n\t     * // => [1.1, 2.3]\n\t     */\n\t    function sortedUniqBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Gets all but the first element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.tail([1, 2, 3]);\n\t     * // => [2, 3]\n\t     */\n\t    function tail(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseSlice(array, 1, length) : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements taken from the beginning.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to take.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.take([1, 2, 3]);\n\t     * // => [1]\n\t     *\n\t     * _.take([1, 2, 3], 2);\n\t     * // => [1, 2]\n\t     *\n\t     * _.take([1, 2, 3], 5);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * _.take([1, 2, 3], 0);\n\t     * // => []\n\t     */\n\t    function take(array, n, guard) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      return baseSlice(array, 0, n < 0 ? 0 : n);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements taken from the end.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to take.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.takeRight([1, 2, 3]);\n\t     * // => [3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 2);\n\t     * // => [2, 3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 5);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 0);\n\t     * // => []\n\t     */\n\t    function takeRight(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      n = length - n;\n\t      return baseSlice(array, n < 0 ? 0 : n, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with elements taken from the end. Elements are\n\t     * taken until `predicate` returns falsey. The predicate is invoked with\n\t     * three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.takeRightWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.takeRightWhile(users, ['active', false]);\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.takeRightWhile(users, 'active');\n\t     * // => []\n\t     */\n\t    function takeRightWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with elements taken from the beginning. Elements\n\t     * are taken until `predicate` returns falsey. The predicate is invoked with\n\t     * three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.takeWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.takeWhile(users, ['active', false]);\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.takeWhile(users, 'active');\n\t     * // => []\n\t     */\n\t    function takeWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3))\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates an array of unique values, in order, from all given arrays using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * _.union([2], [1, 2]);\n\t     * // => [2, 1]\n\t     */\n\t    var union = baseRest(function(arrays) {\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.union` except that it accepts `iteratee` which is\n\t     * invoked for each element of each `arrays` to generate the criterion by\n\t     * which uniqueness is computed. Result values are chosen from the first\n\t     * array in which the value occurs. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n\t     * // => [2.1, 1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }, { 'x': 2 }]\n\t     */\n\t    var unionBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.union` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `arrays`. Result values are chosen from\n\t     * the first array in which the value occurs. The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.unionWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n\t     */\n\t    var unionWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays);\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n\t    });\n\t\n\t    /**\n\t     * Creates a duplicate-free version of an array, using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons, in which only the first occurrence of each element\n\t     * is kept. The order of result values is determined by the order they occur\n\t     * in the array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.uniq([2, 1, 2]);\n\t     * // => [2, 1]\n\t     */\n\t    function uniq(array) {\n\t      return (array && array.length) ? baseUniq(array) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * uniqueness is computed. The order of result values is determined by the\n\t     * order they occur in the array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n\t     * // => [2.1, 1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }, { 'x': 2 }]\n\t     */\n\t    function uniqBy(array, iteratee) {\n\t      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `array`. The order of result values is\n\t     * determined by the order they occur in the array.The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.uniqWith(objects, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n\t     */\n\t    function uniqWith(array, comparator) {\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zip` except that it accepts an array of grouped\n\t     * elements and creates an array regrouping the elements to their pre-zip\n\t     * configuration.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.2.0\n\t     * @category Array\n\t     * @param {Array} array The array of grouped elements to process.\n\t     * @returns {Array} Returns the new array of regrouped elements.\n\t     * @example\n\t     *\n\t     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n\t     * // => [['a', 1, true], ['b', 2, false]]\n\t     *\n\t     * _.unzip(zipped);\n\t     * // => [['a', 'b'], [1, 2], [true, false]]\n\t     */\n\t    function unzip(array) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      var length = 0;\n\t      array = arrayFilter(array, function(group) {\n\t        if (isArrayLikeObject(group)) {\n\t          length = nativeMax(group.length, length);\n\t          return true;\n\t        }\n\t      });\n\t      return baseTimes(length, function(index) {\n\t        return arrayMap(array, baseProperty(index));\n\t      });\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n\t     * how regrouped values should be combined. The iteratee is invoked with the\n\t     * elements of each group: (...group).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Array\n\t     * @param {Array} array The array of grouped elements to process.\n\t     * @param {Function} [iteratee=_.identity] The function to combine\n\t     *  regrouped values.\n\t     * @returns {Array} Returns the new array of regrouped elements.\n\t     * @example\n\t     *\n\t     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n\t     * // => [[1, 10, 100], [2, 20, 200]]\n\t     *\n\t     * _.unzipWith(zipped, _.add);\n\t     * // => [3, 30, 300]\n\t     */\n\t    function unzipWith(array, iteratee) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      var result = unzip(array);\n\t      if (iteratee == null) {\n\t        return result;\n\t      }\n\t      return arrayMap(result, function(group) {\n\t        return apply(iteratee, undefined, group);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates an array excluding all given values using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * **Note:** Unlike `_.pull`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...*} [values] The values to exclude.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.difference, _.xor\n\t     * @example\n\t     *\n\t     * _.without([2, 1, 2, 3], 1, 2);\n\t     * // => [3]\n\t     */\n\t    var without = baseRest(function(array, values) {\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, values)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Creates an array of unique values that is the\n\t     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n\t     * of the given arrays. The order of result values is determined by the order\n\t     * they occur in the arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.difference, _.without\n\t     * @example\n\t     *\n\t     * _.xor([2, 1], [2, 3]);\n\t     * // => [1, 3]\n\t     */\n\t    var xor = baseRest(function(arrays) {\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.xor` except that it accepts `iteratee` which is\n\t     * invoked for each element of each `arrays` to generate the criterion by\n\t     * which by which they're compared. The order of result values is determined\n\t     * by the order they occur in the arrays. The iteratee is invoked with one\n\t     * argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [1.2, 3.4]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    var xorBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.xor` except that it accepts `comparator` which is\n\t     * invoked to compare elements of `arrays`. The order of result values is\n\t     * determined by the order they occur in the arrays. The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.xorWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n\t     */\n\t    var xorWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays);\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of grouped elements, the first of which contains the\n\t     * first elements of the given arrays, the second of which contains the\n\t     * second elements of the given arrays, and so on.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to process.\n\t     * @returns {Array} Returns the new array of grouped elements.\n\t     * @example\n\t     *\n\t     * _.zip(['a', 'b'], [1, 2], [true, false]);\n\t     * // => [['a', 1, true], ['b', 2, false]]\n\t     */\n\t    var zip = baseRest(unzip);\n\t\n\t    /**\n\t     * This method is like `_.fromPairs` except that it accepts two arrays,\n\t     * one of property identifiers and one of corresponding values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.4.0\n\t     * @category Array\n\t     * @param {Array} [props=[]] The property identifiers.\n\t     * @param {Array} [values=[]] The property values.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.zipObject(['a', 'b'], [1, 2]);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    function zipObject(props, values) {\n\t      return baseZipObject(props || [], values || [], assignValue);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zipObject` except that it supports property paths.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.1.0\n\t     * @category Array\n\t     * @param {Array} [props=[]] The property identifiers.\n\t     * @param {Array} [values=[]] The property values.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n\t     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n\t     */\n\t    function zipObjectDeep(props, values) {\n\t      return baseZipObject(props || [], values || [], baseSet);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zip` except that it accepts `iteratee` to specify\n\t     * how grouped values should be combined. The iteratee is invoked with the\n\t     * elements of each group: (...group).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to process.\n\t     * @param {Function} [iteratee=_.identity] The function to combine\n\t     *  grouped values.\n\t     * @returns {Array} Returns the new array of grouped elements.\n\t     * @example\n\t     *\n\t     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n\t     *   return a + b + c;\n\t     * });\n\t     * // => [111, 222]\n\t     */\n\t    var zipWith = baseRest(function(arrays) {\n\t      var length = arrays.length,\n\t          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\t\n\t      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n\t      return unzipWith(arrays, iteratee);\n\t    });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n\t     * chain sequences enabled. The result of such sequences must be unwrapped\n\t     * with `_#value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.3.0\n\t     * @category Seq\n\t     * @param {*} value The value to wrap.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36 },\n\t     *   { 'user': 'fred',    'age': 40 },\n\t     *   { 'user': 'pebbles', 'age': 1 }\n\t     * ];\n\t     *\n\t     * var youngest = _\n\t     *   .chain(users)\n\t     *   .sortBy('age')\n\t     *   .map(function(o) {\n\t     *     return o.user + ' is ' + o.age;\n\t     *   })\n\t     *   .head()\n\t     *   .value();\n\t     * // => 'pebbles is 1'\n\t     */\n\t    function chain(value) {\n\t      var result = lodash(value);\n\t      result.__chain__ = true;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method invokes `interceptor` and returns `value`. The interceptor\n\t     * is invoked with one argument; (value). The purpose of this method is to\n\t     * \"tap into\" a method chain sequence in order to modify intermediate results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @param {*} value The value to provide to `interceptor`.\n\t     * @param {Function} interceptor The function to invoke.\n\t     * @returns {*} Returns `value`.\n\t     * @example\n\t     *\n\t     * _([1, 2, 3])\n\t     *  .tap(function(array) {\n\t     *    // Mutate input array.\n\t     *    array.pop();\n\t     *  })\n\t     *  .reverse()\n\t     *  .value();\n\t     * // => [2, 1]\n\t     */\n\t    function tap(value, interceptor) {\n\t      interceptor(value);\n\t      return value;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.tap` except that it returns the result of `interceptor`.\n\t     * The purpose of this method is to \"pass thru\" values replacing intermediate\n\t     * results in a method chain sequence.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Seq\n\t     * @param {*} value The value to provide to `interceptor`.\n\t     * @param {Function} interceptor The function to invoke.\n\t     * @returns {*} Returns the result of `interceptor`.\n\t     * @example\n\t     *\n\t     * _('  abc  ')\n\t     *  .chain()\n\t     *  .trim()\n\t     *  .thru(function(value) {\n\t     *    return [value];\n\t     *  })\n\t     *  .value();\n\t     * // => ['abc']\n\t     */\n\t    function thru(value, interceptor) {\n\t      return interceptor(value);\n\t    }\n\t\n\t    /**\n\t     * This method is the wrapper version of `_.at`.\n\t     *\n\t     * @name at\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Seq\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t     *\n\t     * _(object).at(['a[0].b.c', 'a[1]']).value();\n\t     * // => [3, 4]\n\t     */\n\t    var wrapperAt = flatRest(function(paths) {\n\t      var length = paths.length,\n\t          start = length ? paths[0] : 0,\n\t          value = this.__wrapped__,\n\t          interceptor = function(object) { return baseAt(object, paths); };\n\t\n\t      if (length > 1 || this.__actions__.length ||\n\t          !(value instanceof LazyWrapper) || !isIndex(start)) {\n\t        return this.thru(interceptor);\n\t      }\n\t      value = value.slice(start, +start + (length ? 1 : 0));\n\t      value.__actions__.push({\n\t        'func': thru,\n\t        'args': [interceptor],\n\t        'thisArg': undefined\n\t      });\n\t      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n\t        if (length && !array.length) {\n\t          array.push(undefined);\n\t        }\n\t        return array;\n\t      });\n\t    });\n\t\n\t    /**\n\t     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n\t     *\n\t     * @name chain\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36 },\n\t     *   { 'user': 'fred',   'age': 40 }\n\t     * ];\n\t     *\n\t     * // A sequence without explicit chaining.\n\t     * _(users).head();\n\t     * // => { 'user': 'barney', 'age': 36 }\n\t     *\n\t     * // A sequence with explicit chaining.\n\t     * _(users)\n\t     *   .chain()\n\t     *   .head()\n\t     *   .pick('user')\n\t     *   .value();\n\t     * // => { 'user': 'barney' }\n\t     */\n\t    function wrapperChain() {\n\t      return chain(this);\n\t    }\n\t\n\t    /**\n\t     * Executes the chain sequence and returns the wrapped result.\n\t     *\n\t     * @name commit\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var array = [1, 2];\n\t     * var wrapped = _(array).push(3);\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 2]\n\t     *\n\t     * wrapped = wrapped.commit();\n\t     * console.log(array);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * wrapped.last();\n\t     * // => 3\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function wrapperCommit() {\n\t      return new LodashWrapper(this.value(), this.__chain__);\n\t    }\n\t\n\t    /**\n\t     * Gets the next value on a wrapped object following the\n\t     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n\t     *\n\t     * @name next\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the next iterator value.\n\t     * @example\n\t     *\n\t     * var wrapped = _([1, 2]);\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': false, 'value': 1 }\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': false, 'value': 2 }\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': true, 'value': undefined }\n\t     */\n\t    function wrapperNext() {\n\t      if (this.__values__ === undefined) {\n\t        this.__values__ = toArray(this.value());\n\t      }\n\t      var done = this.__index__ >= this.__values__.length,\n\t          value = done ? undefined : this.__values__[this.__index__++];\n\t\n\t      return { 'done': done, 'value': value };\n\t    }\n\t\n\t    /**\n\t     * Enables the wrapper to be iterable.\n\t     *\n\t     * @name Symbol.iterator\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the wrapper object.\n\t     * @example\n\t     *\n\t     * var wrapped = _([1, 2]);\n\t     *\n\t     * wrapped[Symbol.iterator]() === wrapped;\n\t     * // => true\n\t     *\n\t     * Array.from(wrapped);\n\t     * // => [1, 2]\n\t     */\n\t    function wrapperToIterator() {\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n\t     *\n\t     * @name plant\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Seq\n\t     * @param {*} value The value to plant.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var wrapped = _([1, 2]).map(square);\n\t     * var other = wrapped.plant([3, 4]);\n\t     *\n\t     * other.value();\n\t     * // => [9, 16]\n\t     *\n\t     * wrapped.value();\n\t     * // => [1, 4]\n\t     */\n\t    function wrapperPlant(value) {\n\t      var result,\n\t          parent = this;\n\t\n\t      while (parent instanceof baseLodash) {\n\t        var clone = wrapperClone(parent);\n\t        clone.__index__ = 0;\n\t        clone.__values__ = undefined;\n\t        if (result) {\n\t          previous.__wrapped__ = clone;\n\t        } else {\n\t          result = clone;\n\t        }\n\t        var previous = clone;\n\t        parent = parent.__wrapped__;\n\t      }\n\t      previous.__wrapped__ = value;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is the wrapper version of `_.reverse`.\n\t     *\n\t     * **Note:** This method mutates the wrapped array.\n\t     *\n\t     * @name reverse\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _(array).reverse().value()\n\t     * // => [3, 2, 1]\n\t     *\n\t     * console.log(array);\n\t     * // => [3, 2, 1]\n\t     */\n\t    function wrapperReverse() {\n\t      var value = this.__wrapped__;\n\t      if (value instanceof LazyWrapper) {\n\t        var wrapped = value;\n\t        if (this.__actions__.length) {\n\t          wrapped = new LazyWrapper(this);\n\t        }\n\t        wrapped = wrapped.reverse();\n\t        wrapped.__actions__.push({\n\t          'func': thru,\n\t          'args': [reverse],\n\t          'thisArg': undefined\n\t        });\n\t        return new LodashWrapper(wrapped, this.__chain__);\n\t      }\n\t      return this.thru(reverse);\n\t    }\n\t\n\t    /**\n\t     * Executes the chain sequence to resolve the unwrapped value.\n\t     *\n\t     * @name value\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias toJSON, valueOf\n\t     * @category Seq\n\t     * @returns {*} Returns the resolved unwrapped value.\n\t     * @example\n\t     *\n\t     * _([1, 2, 3]).value();\n\t     * // => [1, 2, 3]\n\t     */\n\t    function wrapperValue() {\n\t      return baseWrapperValue(this.__wrapped__, this.__actions__);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The corresponding value of\n\t     * each key is the number of times the key was returned by `iteratee`. The\n\t     * iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n\t     * // => { '4': 1, '6': 2 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.countBy(['one', 'two', 'three'], 'length');\n\t     * // => { '3': 2, '5': 1 }\n\t     */\n\t    var countBy = createAggregator(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, key)) {\n\t        ++result[key];\n\t      } else {\n\t        baseAssignValue(result, key, 1);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n\t     * Iteration is stopped once `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index|key, collection).\n\t     *\n\t     * **Note:** This method returns `true` for\n\t     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n\t     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n\t     * elements of empty collections.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.every([true, 1, null, 'yes'], Boolean);\n\t     * // => false\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': false },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.every(users, { 'user': 'barney', 'active': false });\n\t     * // => false\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.every(users, ['active', false]);\n\t     * // => true\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.every(users, 'active');\n\t     * // => false\n\t     */\n\t    function every(collection, predicate, guard) {\n\t      var func = isArray(collection) ? arrayEvery : baseEvery;\n\t      if (guard && isIterateeCall(collection, predicate, guard)) {\n\t        predicate = undefined;\n\t      }\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection`, returning an array of all elements\n\t     * `predicate` returns truthy for. The predicate is invoked with three\n\t     * arguments: (value, index|key, collection).\n\t     *\n\t     * **Note:** Unlike `_.remove`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     * @see _.reject\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': true },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * _.filter(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.filter(users, { 'age': 36, 'active': true });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.filter(users, ['active', false]);\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.filter(users, 'active');\n\t     * // => objects for ['barney']\n\t     */\n\t    function filter(collection, predicate) {\n\t      var func = isArray(collection) ? arrayFilter : baseFilter;\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection`, returning the first element\n\t     * `predicate` returns truthy for. The predicate is invoked with three\n\t     * arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {*} Returns the matched element, else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36, 'active': true },\n\t     *   { 'user': 'fred',    'age': 40, 'active': false },\n\t     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n\t     * ];\n\t     *\n\t     * _.find(users, function(o) { return o.age < 40; });\n\t     * // => object for 'barney'\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.find(users, { 'age': 1, 'active': true });\n\t     * // => object for 'pebbles'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.find(users, ['active', false]);\n\t     * // => object for 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.find(users, 'active');\n\t     * // => object for 'barney'\n\t     */\n\t    var find = createFind(findIndex);\n\t\n\t    /**\n\t     * This method is like `_.find` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=collection.length-1] The index to search from.\n\t     * @returns {*} Returns the matched element, else `undefined`.\n\t     * @example\n\t     *\n\t     * _.findLast([1, 2, 3, 4], function(n) {\n\t     *   return n % 2 == 1;\n\t     * });\n\t     * // => 3\n\t     */\n\t    var findLast = createFind(findLastIndex);\n\t\n\t    /**\n\t     * Creates a flattened array of values by running each element in `collection`\n\t     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n\t     * with three arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [n, n];\n\t     * }\n\t     *\n\t     * _.flatMap([1, 2], duplicate);\n\t     * // => [1, 1, 2, 2]\n\t     */\n\t    function flatMap(collection, iteratee) {\n\t      return baseFlatten(map(collection, iteratee), 1);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.flatMap` except that it recursively flattens the\n\t     * mapped results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [[[n, n]]];\n\t     * }\n\t     *\n\t     * _.flatMapDeep([1, 2], duplicate);\n\t     * // => [1, 1, 2, 2]\n\t     */\n\t    function flatMapDeep(collection, iteratee) {\n\t      return baseFlatten(map(collection, iteratee), INFINITY);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.flatMap` except that it recursively flattens the\n\t     * mapped results up to `depth` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {number} [depth=1] The maximum recursion depth.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [[[n, n]]];\n\t     * }\n\t     *\n\t     * _.flatMapDepth([1, 2], duplicate, 2);\n\t     * // => [[1, 1], [2, 2]]\n\t     */\n\t    function flatMapDepth(collection, iteratee, depth) {\n\t      depth = depth === undefined ? 1 : toInteger(depth);\n\t      return baseFlatten(map(collection, iteratee), depth);\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n\t     * The iteratee is invoked with three arguments: (value, index|key, collection).\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n\t     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n\t     * or `_.forOwn` for object iteration.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias each\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     * @see _.forEachRight\n\t     * @example\n\t     *\n\t     * _.forEach([1, 2], function(value) {\n\t     *   console.log(value);\n\t     * });\n\t     * // => Logs `1` then `2`.\n\t     *\n\t     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t     */\n\t    function forEach(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayEach : baseEach;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forEach` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @alias eachRight\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     * @see _.forEach\n\t     * @example\n\t     *\n\t     * _.forEachRight([1, 2], function(value) {\n\t     *   console.log(value);\n\t     * });\n\t     * // => Logs `2` then `1`.\n\t     */\n\t    function forEachRight(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The order of grouped values\n\t     * is determined by the order they occur in `collection`. The corresponding\n\t     * value of each key is an array of elements responsible for generating the\n\t     * key. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n\t     * // => { '4': [4.2], '6': [6.1, 6.3] }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.groupBy(['one', 'two', 'three'], 'length');\n\t     * // => { '3': ['one', 'two'], '5': ['three'] }\n\t     */\n\t    var groupBy = createAggregator(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, key)) {\n\t        result[key].push(value);\n\t      } else {\n\t        baseAssignValue(result, key, [value]);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Checks if `value` is in `collection`. If `collection` is a string, it's\n\t     * checked for a substring of `value`, otherwise\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n\t     * the offset from the end of `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object|string} collection The collection to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n\t     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n\t     * @example\n\t     *\n\t     * _.includes([1, 2, 3], 1);\n\t     * // => true\n\t     *\n\t     * _.includes([1, 2, 3], 1, 2);\n\t     * // => false\n\t     *\n\t     * _.includes({ 'a': 1, 'b': 2 }, 1);\n\t     * // => true\n\t     *\n\t     * _.includes('abcd', 'bc');\n\t     * // => true\n\t     */\n\t    function includes(collection, value, fromIndex, guard) {\n\t      collection = isArrayLike(collection) ? collection : values(collection);\n\t      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\t\n\t      var length = collection.length;\n\t      if (fromIndex < 0) {\n\t        fromIndex = nativeMax(length + fromIndex, 0);\n\t      }\n\t      return isString(collection)\n\t        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n\t        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n\t    }\n\t\n\t    /**\n\t     * Invokes the method at `path` of each element in `collection`, returning\n\t     * an array of the results of each invoked method. Any additional arguments\n\t     * are provided to each invoked method. If `path` is a function, it's invoked\n\t     * for, and `this` bound to, each element in `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Array|Function|string} path The path of the method to invoke or\n\t     *  the function invoked per iteration.\n\t     * @param {...*} [args] The arguments to invoke each method with.\n\t     * @returns {Array} Returns the array of results.\n\t     * @example\n\t     *\n\t     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n\t     * // => [[1, 5, 7], [1, 2, 3]]\n\t     *\n\t     * _.invokeMap([123, 456], String.prototype.split, '');\n\t     * // => [['1', '2', '3'], ['4', '5', '6']]\n\t     */\n\t    var invokeMap = baseRest(function(collection, path, args) {\n\t      var index = -1,\n\t          isFunc = typeof path == 'function',\n\t          result = isArrayLike(collection) ? Array(collection.length) : [];\n\t\n\t      baseEach(collection, function(value) {\n\t        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n\t      });\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The corresponding value of\n\t     * each key is the last element responsible for generating the key. The\n\t     * iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * var array = [\n\t     *   { 'dir': 'left', 'code': 97 },\n\t     *   { 'dir': 'right', 'code': 100 }\n\t     * ];\n\t     *\n\t     * _.keyBy(array, function(o) {\n\t     *   return String.fromCharCode(o.code);\n\t     * });\n\t     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n\t     *\n\t     * _.keyBy(array, 'dir');\n\t     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n\t     */\n\t    var keyBy = createAggregator(function(result, value, key) {\n\t      baseAssignValue(result, key, value);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of values by running each element in `collection` thru\n\t     * `iteratee`. The iteratee is invoked with three arguments:\n\t     * (value, index|key, collection).\n\t     *\n\t     * Many lodash methods are guarded to work as iteratees for methods like\n\t     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n\t     *\n\t     * The guarded methods are:\n\t     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n\t     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n\t     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n\t     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new mapped array.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * _.map([4, 8], square);\n\t     * // => [16, 64]\n\t     *\n\t     * _.map({ 'a': 4, 'b': 8 }, square);\n\t     * // => [16, 64] (iteration order is not guaranteed)\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney' },\n\t     *   { 'user': 'fred' }\n\t     * ];\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.map(users, 'user');\n\t     * // => ['barney', 'fred']\n\t     */\n\t    function map(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayMap : baseMap;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortBy` except that it allows specifying the sort\n\t     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n\t     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n\t     * descending or \"asc\" for ascending sort order of corresponding values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n\t     *  The iteratees to sort by.\n\t     * @param {string[]} [orders] The sort orders of `iteratees`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n\t     * @returns {Array} Returns the new sorted array.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'fred',   'age': 48 },\n\t     *   { 'user': 'barney', 'age': 34 },\n\t     *   { 'user': 'fred',   'age': 40 },\n\t     *   { 'user': 'barney', 'age': 36 }\n\t     * ];\n\t     *\n\t     * // Sort by `user` in ascending order and by `age` in descending order.\n\t     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n\t     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n\t     */\n\t    function orderBy(collection, iteratees, orders, guard) {\n\t      if (collection == null) {\n\t        return [];\n\t      }\n\t      if (!isArray(iteratees)) {\n\t        iteratees = iteratees == null ? [] : [iteratees];\n\t      }\n\t      orders = guard ? undefined : orders;\n\t      if (!isArray(orders)) {\n\t        orders = orders == null ? [] : [orders];\n\t      }\n\t      return baseOrderBy(collection, iteratees, orders);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of elements split into two groups, the first of which\n\t     * contains elements `predicate` returns truthy for, the second of which\n\t     * contains elements `predicate` returns falsey for. The predicate is\n\t     * invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the array of grouped elements.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36, 'active': false },\n\t     *   { 'user': 'fred',    'age': 40, 'active': true },\n\t     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n\t     * ];\n\t     *\n\t     * _.partition(users, function(o) { return o.active; });\n\t     * // => objects for [['fred'], ['barney', 'pebbles']]\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.partition(users, { 'age': 1, 'active': false });\n\t     * // => objects for [['pebbles'], ['barney', 'fred']]\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.partition(users, ['active', false]);\n\t     * // => objects for [['barney', 'pebbles'], ['fred']]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.partition(users, 'active');\n\t     * // => objects for [['fred'], ['barney', 'pebbles']]\n\t     */\n\t    var partition = createAggregator(function(result, value, key) {\n\t      result[key ? 0 : 1].push(value);\n\t    }, function() { return [[], []]; });\n\t\n\t    /**\n\t     * Reduces `collection` to a value which is the accumulated result of running\n\t     * each element in `collection` thru `iteratee`, where each successive\n\t     * invocation is supplied the return value of the previous. If `accumulator`\n\t     * is not given, the first element of `collection` is used as the initial\n\t     * value. The iteratee is invoked with four arguments:\n\t     * (accumulator, value, index|key, collection).\n\t     *\n\t     * Many lodash methods are guarded to work as iteratees for methods like\n\t     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n\t     *\n\t     * The guarded methods are:\n\t     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n\t     * and `sortBy`\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The initial value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @see _.reduceRight\n\t     * @example\n\t     *\n\t     * _.reduce([1, 2], function(sum, n) {\n\t     *   return sum + n;\n\t     * }, 0);\n\t     * // => 3\n\t     *\n\t     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t     *   (result[value] || (result[value] = [])).push(key);\n\t     *   return result;\n\t     * }, {});\n\t     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n\t     */\n\t    function reduce(collection, iteratee, accumulator) {\n\t      var func = isArray(collection) ? arrayReduce : baseReduce,\n\t          initAccum = arguments.length < 3;\n\t\n\t      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.reduce` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The initial value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @see _.reduce\n\t     * @example\n\t     *\n\t     * var array = [[0, 1], [2, 3], [4, 5]];\n\t     *\n\t     * _.reduceRight(array, function(flattened, other) {\n\t     *   return flattened.concat(other);\n\t     * }, []);\n\t     * // => [4, 5, 2, 3, 0, 1]\n\t     */\n\t    function reduceRight(collection, iteratee, accumulator) {\n\t      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n\t          initAccum = arguments.length < 3;\n\t\n\t      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.filter`; this method returns the elements of `collection`\n\t     * that `predicate` does **not** return truthy for.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     * @see _.filter\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': false },\n\t     *   { 'user': 'fred',   'age': 40, 'active': true }\n\t     * ];\n\t     *\n\t     * _.reject(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.reject(users, { 'age': 40, 'active': true });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.reject(users, ['active', false]);\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.reject(users, 'active');\n\t     * // => objects for ['barney']\n\t     */\n\t    function reject(collection, predicate) {\n\t      var func = isArray(collection) ? arrayFilter : baseFilter;\n\t      return func(collection, negate(getIteratee(predicate, 3)));\n\t    }\n\t\n\t    /**\n\t     * Gets a random element from `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @returns {*} Returns the random element.\n\t     * @example\n\t     *\n\t     * _.sample([1, 2, 3, 4]);\n\t     * // => 2\n\t     */\n\t    function sample(collection) {\n\t      var func = isArray(collection) ? arraySample : baseSample;\n\t      return func(collection);\n\t    }\n\t\n\t    /**\n\t     * Gets `n` random elements at unique keys from `collection` up to the\n\t     * size of `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @param {number} [n=1] The number of elements to sample.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the random elements.\n\t     * @example\n\t     *\n\t     * _.sampleSize([1, 2, 3], 2);\n\t     * // => [3, 1]\n\t     *\n\t     * _.sampleSize([1, 2, 3], 4);\n\t     * // => [2, 3, 1]\n\t     */\n\t    function sampleSize(collection, n, guard) {\n\t      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n\t        n = 1;\n\t      } else {\n\t        n = toInteger(n);\n\t      }\n\t      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n\t      return func(collection, n);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of shuffled values, using a version of the\n\t     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     * @example\n\t     *\n\t     * _.shuffle([1, 2, 3, 4]);\n\t     * // => [4, 1, 3, 2]\n\t     */\n\t    function shuffle(collection) {\n\t      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n\t      return func(collection);\n\t    }\n\t\n\t    /**\n\t     * Gets the size of `collection` by returning its length for array-like\n\t     * values or the number of own enumerable string keyed properties for objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object|string} collection The collection to inspect.\n\t     * @returns {number} Returns the collection size.\n\t     * @example\n\t     *\n\t     * _.size([1, 2, 3]);\n\t     * // => 3\n\t     *\n\t     * _.size({ 'a': 1, 'b': 2 });\n\t     * // => 2\n\t     *\n\t     * _.size('pebbles');\n\t     * // => 7\n\t     */\n\t    function size(collection) {\n\t      if (collection == null) {\n\t        return 0;\n\t      }\n\t      if (isArrayLike(collection)) {\n\t        return isString(collection) ? stringSize(collection) : collection.length;\n\t      }\n\t      var tag = getTag(collection);\n\t      if (tag == mapTag || tag == setTag) {\n\t        return collection.size;\n\t      }\n\t      return baseKeys(collection).length;\n\t    }\n\t\n\t    /**\n\t     * Checks if `predicate` returns truthy for **any** element of `collection`.\n\t     * Iteration is stopped once `predicate` returns truthy. The predicate is\n\t     * invoked with three arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.some([null, 0, 'yes', false], Boolean);\n\t     * // => true\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'active': true },\n\t     *   { 'user': 'fred',   'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.some(users, { 'user': 'barney', 'active': false });\n\t     * // => false\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.some(users, ['active', false]);\n\t     * // => true\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.some(users, 'active');\n\t     * // => true\n\t     */\n\t    function some(collection, predicate, guard) {\n\t      var func = isArray(collection) ? arraySome : baseSome;\n\t      if (guard && isIterateeCall(collection, predicate, guard)) {\n\t        predicate = undefined;\n\t      }\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of elements, sorted in ascending order by the results of\n\t     * running each element in a collection thru each iteratee. This method\n\t     * performs a stable sort, that is, it preserves the original sort order of\n\t     * equal elements. The iteratees are invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n\t     *  The iteratees to sort by.\n\t     * @returns {Array} Returns the new sorted array.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'fred',   'age': 48 },\n\t     *   { 'user': 'barney', 'age': 36 },\n\t     *   { 'user': 'fred',   'age': 40 },\n\t     *   { 'user': 'barney', 'age': 34 }\n\t     * ];\n\t     *\n\t     * _.sortBy(users, [function(o) { return o.user; }]);\n\t     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n\t     *\n\t     * _.sortBy(users, ['user', 'age']);\n\t     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n\t     */\n\t    var sortBy = baseRest(function(collection, iteratees) {\n\t      if (collection == null) {\n\t        return [];\n\t      }\n\t      var length = iteratees.length;\n\t      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n\t        iteratees = [];\n\t      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n\t        iteratees = [iteratees[0]];\n\t      }\n\t      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n\t    });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Gets the timestamp of the number of milliseconds that have elapsed since\n\t     * the Unix epoch (1 January 1970 00:00:00 UTC).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Date\n\t     * @returns {number} Returns the timestamp.\n\t     * @example\n\t     *\n\t     * _.defer(function(stamp) {\n\t     *   console.log(_.now() - stamp);\n\t     * }, _.now());\n\t     * // => Logs the number of milliseconds it took for the deferred invocation.\n\t     */\n\t    var now = ctxNow || function() {\n\t      return root.Date.now();\n\t    };\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * The opposite of `_.before`; this method creates a function that invokes\n\t     * `func` once it's called `n` or more times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {number} n The number of calls before `func` is invoked.\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * var saves = ['profile', 'settings'];\n\t     *\n\t     * var done = _.after(saves.length, function() {\n\t     *   console.log('done saving!');\n\t     * });\n\t     *\n\t     * _.forEach(saves, function(type) {\n\t     *   asyncSave({ 'type': type, 'complete': done });\n\t     * });\n\t     * // => Logs 'done saving!' after the two async saves have completed.\n\t     */\n\t    function after(n, func) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      n = toInteger(n);\n\t      return function() {\n\t        if (--n < 1) {\n\t          return func.apply(this, arguments);\n\t        }\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func`, with up to `n` arguments,\n\t     * ignoring any additional arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to cap arguments for.\n\t     * @param {number} [n=func.length] The arity cap.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new capped function.\n\t     * @example\n\t     *\n\t     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n\t     * // => [6, 8, 10]\n\t     */\n\t    function ary(func, n, guard) {\n\t      n = guard ? undefined : n;\n\t      n = (func && n == null) ? func.length : n;\n\t      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func`, with the `this` binding and arguments\n\t     * of the created function, while it's called less than `n` times. Subsequent\n\t     * calls to the created function return the result of the last `func` invocation.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {number} n The number of calls at which `func` is no longer invoked.\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * jQuery(element).on('click', _.before(5, addContactToList));\n\t     * // => Allows adding up to 4 contacts to the list.\n\t     */\n\t    function before(n, func) {\n\t      var result;\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      n = toInteger(n);\n\t      return function() {\n\t        if (--n > 0) {\n\t          result = func.apply(this, arguments);\n\t        }\n\t        if (n <= 1) {\n\t          func = undefined;\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n\t     * and `partials` prepended to the arguments it receives.\n\t     *\n\t     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n\t     * may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n\t     * property of bound functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to bind.\n\t     * @param {*} thisArg The `this` binding of `func`.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new bound function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, punctuation) {\n\t     *   return greeting + ' ' + this.user + punctuation;\n\t     * }\n\t     *\n\t     * var object = { 'user': 'fred' };\n\t     *\n\t     * var bound = _.bind(greet, object, 'hi');\n\t     * bound('!');\n\t     * // => 'hi fred!'\n\t     *\n\t     * // Bound with placeholders.\n\t     * var bound = _.bind(greet, object, _, '!');\n\t     * bound('hi');\n\t     * // => 'hi fred!'\n\t     */\n\t    var bind = baseRest(function(func, thisArg, partials) {\n\t      var bitmask = WRAP_BIND_FLAG;\n\t      if (partials.length) {\n\t        var holders = replaceHolders(partials, getHolder(bind));\n\t        bitmask |= WRAP_PARTIAL_FLAG;\n\t      }\n\t      return createWrap(func, bitmask, thisArg, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes the method at `object[key]` with `partials`\n\t     * prepended to the arguments it receives.\n\t     *\n\t     * This method differs from `_.bind` by allowing bound functions to reference\n\t     * methods that may be redefined or don't yet exist. See\n\t     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n\t     * for more details.\n\t     *\n\t     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.10.0\n\t     * @category Function\n\t     * @param {Object} object The object to invoke the method on.\n\t     * @param {string} key The key of the method.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new bound function.\n\t     * @example\n\t     *\n\t     * var object = {\n\t     *   'user': 'fred',\n\t     *   'greet': function(greeting, punctuation) {\n\t     *     return greeting + ' ' + this.user + punctuation;\n\t     *   }\n\t     * };\n\t     *\n\t     * var bound = _.bindKey(object, 'greet', 'hi');\n\t     * bound('!');\n\t     * // => 'hi fred!'\n\t     *\n\t     * object.greet = function(greeting, punctuation) {\n\t     *   return greeting + 'ya ' + this.user + punctuation;\n\t     * };\n\t     *\n\t     * bound('!');\n\t     * // => 'hiya fred!'\n\t     *\n\t     * // Bound with placeholders.\n\t     * var bound = _.bindKey(object, 'greet', _, '!');\n\t     * bound('hi');\n\t     * // => 'hiya fred!'\n\t     */\n\t    var bindKey = baseRest(function(object, key, partials) {\n\t      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n\t      if (partials.length) {\n\t        var holders = replaceHolders(partials, getHolder(bindKey));\n\t        bitmask |= WRAP_PARTIAL_FLAG;\n\t      }\n\t      return createWrap(key, bitmask, object, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that accepts arguments of `func` and either invokes\n\t     * `func` returning its result, if at least `arity` number of arguments have\n\t     * been provided, or returns a function that accepts the remaining `func`\n\t     * arguments, and so on. The arity of `func` may be specified if `func.length`\n\t     * is not sufficient.\n\t     *\n\t     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n\t     * may be used as a placeholder for provided arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of curried functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to curry.\n\t     * @param {number} [arity=func.length] The arity of `func`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new curried function.\n\t     * @example\n\t     *\n\t     * var abc = function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * };\n\t     *\n\t     * var curried = _.curry(abc);\n\t     *\n\t     * curried(1)(2)(3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2)(3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2, 3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * // Curried with placeholders.\n\t     * curried(1)(_, 3)(2);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function curry(func, arity, guard) {\n\t      arity = guard ? undefined : arity;\n\t      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n\t      result.placeholder = curry.placeholder;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.curry` except that arguments are applied to `func`\n\t     * in the manner of `_.partialRight` instead of `_.partial`.\n\t     *\n\t     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for provided arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of curried functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to curry.\n\t     * @param {number} [arity=func.length] The arity of `func`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new curried function.\n\t     * @example\n\t     *\n\t     * var abc = function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * };\n\t     *\n\t     * var curried = _.curryRight(abc);\n\t     *\n\t     * curried(3)(2)(1);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(2, 3)(1);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2, 3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * // Curried with placeholders.\n\t     * curried(3)(1, _)(2);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function curryRight(func, arity, guard) {\n\t      arity = guard ? undefined : arity;\n\t      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n\t      result.placeholder = curryRight.placeholder;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a debounced function that delays invoking `func` until after `wait`\n\t     * milliseconds have elapsed since the last time the debounced function was\n\t     * invoked. The debounced function comes with a `cancel` method to cancel\n\t     * delayed `func` invocations and a `flush` method to immediately invoke them.\n\t     * Provide `options` to indicate whether `func` should be invoked on the\n\t     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n\t     * with the last arguments provided to the debounced function. Subsequent\n\t     * calls to the debounced function return the result of the last `func`\n\t     * invocation.\n\t     *\n\t     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n\t     * invoked on the trailing edge of the timeout only if the debounced function\n\t     * is invoked more than once during the `wait` timeout.\n\t     *\n\t     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n\t     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n\t     *\n\t     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n\t     * for details over the differences between `_.debounce` and `_.throttle`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to debounce.\n\t     * @param {number} [wait=0] The number of milliseconds to delay.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.leading=false]\n\t     *  Specify invoking on the leading edge of the timeout.\n\t     * @param {number} [options.maxWait]\n\t     *  The maximum time `func` is allowed to be delayed before it's invoked.\n\t     * @param {boolean} [options.trailing=true]\n\t     *  Specify invoking on the trailing edge of the timeout.\n\t     * @returns {Function} Returns the new debounced function.\n\t     * @example\n\t     *\n\t     * // Avoid costly calculations while the window size is in flux.\n\t     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n\t     *\n\t     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n\t     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n\t     *   'leading': true,\n\t     *   'trailing': false\n\t     * }));\n\t     *\n\t     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n\t     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n\t     * var source = new EventSource('/stream');\n\t     * jQuery(source).on('message', debounced);\n\t     *\n\t     * // Cancel the trailing debounced invocation.\n\t     * jQuery(window).on('popstate', debounced.cancel);\n\t     */\n\t    function debounce(func, wait, options) {\n\t      var lastArgs,\n\t          lastThis,\n\t          maxWait,\n\t          result,\n\t          timerId,\n\t          lastCallTime,\n\t          lastInvokeTime = 0,\n\t          leading = false,\n\t          maxing = false,\n\t          trailing = true;\n\t\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      wait = toNumber(wait) || 0;\n\t      if (isObject(options)) {\n\t        leading = !!options.leading;\n\t        maxing = 'maxWait' in options;\n\t        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n\t        trailing = 'trailing' in options ? !!options.trailing : trailing;\n\t      }\n\t\n\t      function invokeFunc(time) {\n\t        var args = lastArgs,\n\t            thisArg = lastThis;\n\t\n\t        lastArgs = lastThis = undefined;\n\t        lastInvokeTime = time;\n\t        result = func.apply(thisArg, args);\n\t        return result;\n\t      }\n\t\n\t      function leadingEdge(time) {\n\t        // Reset any `maxWait` timer.\n\t        lastInvokeTime = time;\n\t        // Start the timer for the trailing edge.\n\t        timerId = setTimeout(timerExpired, wait);\n\t        // Invoke the leading edge.\n\t        return leading ? invokeFunc(time) : result;\n\t      }\n\t\n\t      function remainingWait(time) {\n\t        var timeSinceLastCall = time - lastCallTime,\n\t            timeSinceLastInvoke = time - lastInvokeTime,\n\t            result = wait - timeSinceLastCall;\n\t\n\t        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n\t      }\n\t\n\t      function shouldInvoke(time) {\n\t        var timeSinceLastCall = time - lastCallTime,\n\t            timeSinceLastInvoke = time - lastInvokeTime;\n\t\n\t        // Either this is the first call, activity has stopped and we're at the\n\t        // trailing edge, the system time has gone backwards and we're treating\n\t        // it as the trailing edge, or we've hit the `maxWait` limit.\n\t        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n\t          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n\t      }\n\t\n\t      function timerExpired() {\n\t        var time = now();\n\t        if (shouldInvoke(time)) {\n\t          return trailingEdge(time);\n\t        }\n\t        // Restart the timer.\n\t        timerId = setTimeout(timerExpired, remainingWait(time));\n\t      }\n\t\n\t      function trailingEdge(time) {\n\t        timerId = undefined;\n\t\n\t        // Only invoke if we have `lastArgs` which means `func` has been\n\t        // debounced at least once.\n\t        if (trailing && lastArgs) {\n\t          return invokeFunc(time);\n\t        }\n\t        lastArgs = lastThis = undefined;\n\t        return result;\n\t      }\n\t\n\t      function cancel() {\n\t        if (timerId !== undefined) {\n\t          clearTimeout(timerId);\n\t        }\n\t        lastInvokeTime = 0;\n\t        lastArgs = lastCallTime = lastThis = timerId = undefined;\n\t      }\n\t\n\t      function flush() {\n\t        return timerId === undefined ? result : trailingEdge(now());\n\t      }\n\t\n\t      function debounced() {\n\t        var time = now(),\n\t            isInvoking = shouldInvoke(time);\n\t\n\t        lastArgs = arguments;\n\t        lastThis = this;\n\t        lastCallTime = time;\n\t\n\t        if (isInvoking) {\n\t          if (timerId === undefined) {\n\t            return leadingEdge(lastCallTime);\n\t          }\n\t          if (maxing) {\n\t            // Handle invocations in a tight loop.\n\t            timerId = setTimeout(timerExpired, wait);\n\t            return invokeFunc(lastCallTime);\n\t          }\n\t        }\n\t        if (timerId === undefined) {\n\t          timerId = setTimeout(timerExpired, wait);\n\t        }\n\t        return result;\n\t      }\n\t      debounced.cancel = cancel;\n\t      debounced.flush = flush;\n\t      return debounced;\n\t    }\n\t\n\t    /**\n\t     * Defers invoking the `func` until the current call stack has cleared. Any\n\t     * additional arguments are provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to defer.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {number} Returns the timer id.\n\t     * @example\n\t     *\n\t     * _.defer(function(text) {\n\t     *   console.log(text);\n\t     * }, 'deferred');\n\t     * // => Logs 'deferred' after one millisecond.\n\t     */\n\t    var defer = baseRest(function(func, args) {\n\t      return baseDelay(func, 1, args);\n\t    });\n\t\n\t    /**\n\t     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n\t     * provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {number} Returns the timer id.\n\t     * @example\n\t     *\n\t     * _.delay(function(text) {\n\t     *   console.log(text);\n\t     * }, 1000, 'later');\n\t     * // => Logs 'later' after one second.\n\t     */\n\t    var delay = baseRest(function(func, wait, args) {\n\t      return baseDelay(func, toNumber(wait) || 0, args);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with arguments reversed.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to flip arguments for.\n\t     * @returns {Function} Returns the new flipped function.\n\t     * @example\n\t     *\n\t     * var flipped = _.flip(function() {\n\t     *   return _.toArray(arguments);\n\t     * });\n\t     *\n\t     * flipped('a', 'b', 'c', 'd');\n\t     * // => ['d', 'c', 'b', 'a']\n\t     */\n\t    function flip(func) {\n\t      return createWrap(func, WRAP_FLIP_FLAG);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that memoizes the result of `func`. If `resolver` is\n\t     * provided, it determines the cache key for storing the result based on the\n\t     * arguments provided to the memoized function. By default, the first argument\n\t     * provided to the memoized function is used as the map cache key. The `func`\n\t     * is invoked with the `this` binding of the memoized function.\n\t     *\n\t     * **Note:** The cache is exposed as the `cache` property on the memoized\n\t     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n\t     * constructor with one whose instances implement the\n\t     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n\t     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to have its output memoized.\n\t     * @param {Function} [resolver] The function to resolve the cache key.\n\t     * @returns {Function} Returns the new memoized function.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     * var other = { 'c': 3, 'd': 4 };\n\t     *\n\t     * var values = _.memoize(_.values);\n\t     * values(object);\n\t     * // => [1, 2]\n\t     *\n\t     * values(other);\n\t     * // => [3, 4]\n\t     *\n\t     * object.a = 2;\n\t     * values(object);\n\t     * // => [1, 2]\n\t     *\n\t     * // Modify the result cache.\n\t     * values.cache.set(object, ['a', 'b']);\n\t     * values(object);\n\t     * // => ['a', 'b']\n\t     *\n\t     * // Replace `_.memoize.Cache`.\n\t     * _.memoize.Cache = WeakMap;\n\t     */\n\t    function memoize(func, resolver) {\n\t      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      var memoized = function() {\n\t        var args = arguments,\n\t            key = resolver ? resolver.apply(this, args) : args[0],\n\t            cache = memoized.cache;\n\t\n\t        if (cache.has(key)) {\n\t          return cache.get(key);\n\t        }\n\t        var result = func.apply(this, args);\n\t        memoized.cache = cache.set(key, result) || cache;\n\t        return result;\n\t      };\n\t      memoized.cache = new (memoize.Cache || MapCache);\n\t      return memoized;\n\t    }\n\t\n\t    // Expose `MapCache`.\n\t    memoize.Cache = MapCache;\n\t\n\t    /**\n\t     * Creates a function that negates the result of the predicate `func`. The\n\t     * `func` predicate is invoked with the `this` binding and arguments of the\n\t     * created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} predicate The predicate to negate.\n\t     * @returns {Function} Returns the new negated function.\n\t     * @example\n\t     *\n\t     * function isEven(n) {\n\t     *   return n % 2 == 0;\n\t     * }\n\t     *\n\t     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n\t     * // => [1, 3, 5]\n\t     */\n\t    function negate(predicate) {\n\t      if (typeof predicate != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      return function() {\n\t        var args = arguments;\n\t        switch (args.length) {\n\t          case 0: return !predicate.call(this);\n\t          case 1: return !predicate.call(this, args[0]);\n\t          case 2: return !predicate.call(this, args[0], args[1]);\n\t          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n\t        }\n\t        return !predicate.apply(this, args);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that is restricted to invoking `func` once. Repeat calls\n\t     * to the function return the value of the first invocation. The `func` is\n\t     * invoked with the `this` binding and arguments of the created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * var initialize = _.once(createApplication);\n\t     * initialize();\n\t     * initialize();\n\t     * // => `createApplication` is invoked once\n\t     */\n\t    function once(func) {\n\t      return before(2, func);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with its arguments transformed.\n\t     *\n\t     * @static\n\t     * @since 4.0.0\n\t     * @memberOf _\n\t     * @category Function\n\t     * @param {Function} func The function to wrap.\n\t     * @param {...(Function|Function[])} [transforms=[_.identity]]\n\t     *  The argument transforms.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * function doubled(n) {\n\t     *   return n * 2;\n\t     * }\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var func = _.overArgs(function(x, y) {\n\t     *   return [x, y];\n\t     * }, [square, doubled]);\n\t     *\n\t     * func(9, 3);\n\t     * // => [81, 6]\n\t     *\n\t     * func(10, 5);\n\t     * // => [100, 10]\n\t     */\n\t    var overArgs = castRest(function(func, transforms) {\n\t      transforms = (transforms.length == 1 && isArray(transforms[0]))\n\t        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n\t        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\t\n\t      var funcsLength = transforms.length;\n\t      return baseRest(function(args) {\n\t        var index = -1,\n\t            length = nativeMin(args.length, funcsLength);\n\t\n\t        while (++index < length) {\n\t          args[index] = transforms[index].call(this, args[index]);\n\t        }\n\t        return apply(func, this, args);\n\t      });\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with `partials` prepended to the\n\t     * arguments it receives. This method is like `_.bind` except it does **not**\n\t     * alter the `this` binding.\n\t     *\n\t     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of partially\n\t     * applied functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.2.0\n\t     * @category Function\n\t     * @param {Function} func The function to partially apply arguments to.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new partially applied function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, name) {\n\t     *   return greeting + ' ' + name;\n\t     * }\n\t     *\n\t     * var sayHelloTo = _.partial(greet, 'hello');\n\t     * sayHelloTo('fred');\n\t     * // => 'hello fred'\n\t     *\n\t     * // Partially applied with placeholders.\n\t     * var greetFred = _.partial(greet, _, 'fred');\n\t     * greetFred('hi');\n\t     * // => 'hi fred'\n\t     */\n\t    var partial = baseRest(function(func, partials) {\n\t      var holders = replaceHolders(partials, getHolder(partial));\n\t      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.partial` except that partially applied arguments\n\t     * are appended to the arguments it receives.\n\t     *\n\t     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of partially\n\t     * applied functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to partially apply arguments to.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new partially applied function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, name) {\n\t     *   return greeting + ' ' + name;\n\t     * }\n\t     *\n\t     * var greetFred = _.partialRight(greet, 'fred');\n\t     * greetFred('hi');\n\t     * // => 'hi fred'\n\t     *\n\t     * // Partially applied with placeholders.\n\t     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n\t     * sayHelloTo('fred');\n\t     * // => 'hello fred'\n\t     */\n\t    var partialRight = baseRest(function(func, partials) {\n\t      var holders = replaceHolders(partials, getHolder(partialRight));\n\t      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with arguments arranged according\n\t     * to the specified `indexes` where the argument value at the first index is\n\t     * provided as the first argument, the argument value at the second index is\n\t     * provided as the second argument, and so on.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to rearrange arguments for.\n\t     * @param {...(number|number[])} indexes The arranged argument indexes.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var rearged = _.rearg(function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * }, [2, 0, 1]);\n\t     *\n\t     * rearged('b', 'c', 'a')\n\t     * // => ['a', 'b', 'c']\n\t     */\n\t    var rearg = flatRest(function(func, indexes) {\n\t      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of the\n\t     * created function and arguments from `start` and beyond provided as\n\t     * an array.\n\t     *\n\t     * **Note:** This method is based on the\n\t     * [rest parameter](https://mdn.io/rest_parameters).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var say = _.rest(function(what, names) {\n\t     *   return what + ' ' + _.initial(names).join(', ') +\n\t     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n\t     * });\n\t     *\n\t     * say('hello', 'fred', 'barney', 'pebbles');\n\t     * // => 'hello fred, barney, & pebbles'\n\t     */\n\t    function rest(func, start) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      start = start === undefined ? start : toInteger(start);\n\t      return baseRest(func, start);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of the\n\t     * create function and an array of arguments much like\n\t     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n\t     *\n\t     * **Note:** This method is based on the\n\t     * [spread operator](https://mdn.io/spread_operator).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Function\n\t     * @param {Function} func The function to spread arguments over.\n\t     * @param {number} [start=0] The start position of the spread.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var say = _.spread(function(who, what) {\n\t     *   return who + ' says ' + what;\n\t     * });\n\t     *\n\t     * say(['fred', 'hello']);\n\t     * // => 'fred says hello'\n\t     *\n\t     * var numbers = Promise.all([\n\t     *   Promise.resolve(40),\n\t     *   Promise.resolve(36)\n\t     * ]);\n\t     *\n\t     * numbers.then(_.spread(function(x, y) {\n\t     *   return x + y;\n\t     * }));\n\t     * // => a Promise of 76\n\t     */\n\t    function spread(func, start) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n\t      return baseRest(function(args) {\n\t        var array = args[start],\n\t            otherArgs = castSlice(args, 0, start);\n\t\n\t        if (array) {\n\t          arrayPush(otherArgs, array);\n\t        }\n\t        return apply(func, this, otherArgs);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a throttled function that only invokes `func` at most once per\n\t     * every `wait` milliseconds. The throttled function comes with a `cancel`\n\t     * method to cancel delayed `func` invocations and a `flush` method to\n\t     * immediately invoke them. Provide `options` to indicate whether `func`\n\t     * should be invoked on the leading and/or trailing edge of the `wait`\n\t     * timeout. The `func` is invoked with the last arguments provided to the\n\t     * throttled function. Subsequent calls to the throttled function return the\n\t     * result of the last `func` invocation.\n\t     *\n\t     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n\t     * invoked on the trailing edge of the timeout only if the throttled function\n\t     * is invoked more than once during the `wait` timeout.\n\t     *\n\t     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n\t     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n\t     *\n\t     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n\t     * for details over the differences between `_.throttle` and `_.debounce`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to throttle.\n\t     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.leading=true]\n\t     *  Specify invoking on the leading edge of the timeout.\n\t     * @param {boolean} [options.trailing=true]\n\t     *  Specify invoking on the trailing edge of the timeout.\n\t     * @returns {Function} Returns the new throttled function.\n\t     * @example\n\t     *\n\t     * // Avoid excessively updating the position while scrolling.\n\t     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n\t     *\n\t     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n\t     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n\t     * jQuery(element).on('click', throttled);\n\t     *\n\t     * // Cancel the trailing throttled invocation.\n\t     * jQuery(window).on('popstate', throttled.cancel);\n\t     */\n\t    function throttle(func, wait, options) {\n\t      var leading = true,\n\t          trailing = true;\n\t\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      if (isObject(options)) {\n\t        leading = 'leading' in options ? !!options.leading : leading;\n\t        trailing = 'trailing' in options ? !!options.trailing : trailing;\n\t      }\n\t      return debounce(func, wait, {\n\t        'leading': leading,\n\t        'maxWait': wait,\n\t        'trailing': trailing\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that accepts up to one argument, ignoring any\n\t     * additional arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to cap arguments for.\n\t     * @returns {Function} Returns the new capped function.\n\t     * @example\n\t     *\n\t     * _.map(['6', '8', '10'], _.unary(parseInt));\n\t     * // => [6, 8, 10]\n\t     */\n\t    function unary(func) {\n\t      return ary(func, 1);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that provides `value` to `wrapper` as its first\n\t     * argument. Any additional arguments provided to the function are appended\n\t     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n\t     * binding of the created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {*} value The value to wrap.\n\t     * @param {Function} [wrapper=identity] The wrapper function.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var p = _.wrap(_.escape, function(func, text) {\n\t     *   return '<p>' + func(text) + '</p>';\n\t     * });\n\t     *\n\t     * p('fred, barney, & pebbles');\n\t     * // => '<p>fred, barney, &amp; pebbles</p>'\n\t     */\n\t    function wrap(value, wrapper) {\n\t      return partial(castFunction(wrapper), value);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Casts `value` as an array if it's not one.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.4.0\n\t     * @category Lang\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Array} Returns the cast array.\n\t     * @example\n\t     *\n\t     * _.castArray(1);\n\t     * // => [1]\n\t     *\n\t     * _.castArray({ 'a': 1 });\n\t     * // => [{ 'a': 1 }]\n\t     *\n\t     * _.castArray('abc');\n\t     * // => ['abc']\n\t     *\n\t     * _.castArray(null);\n\t     * // => [null]\n\t     *\n\t     * _.castArray(undefined);\n\t     * // => [undefined]\n\t     *\n\t     * _.castArray();\n\t     * // => []\n\t     *\n\t     * var array = [1, 2, 3];\n\t     * console.log(_.castArray(array) === array);\n\t     * // => true\n\t     */\n\t    function castArray() {\n\t      if (!arguments.length) {\n\t        return [];\n\t      }\n\t      var value = arguments[0];\n\t      return isArray(value) ? value : [value];\n\t    }\n\t\n\t    /**\n\t     * Creates a shallow clone of `value`.\n\t     *\n\t     * **Note:** This method is loosely based on the\n\t     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n\t     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n\t     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n\t     * arrays. The own enumerable properties of `arguments` objects are cloned\n\t     * as plain objects. An empty object is returned for uncloneable values such\n\t     * as error objects, functions, DOM nodes, and WeakMaps.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to clone.\n\t     * @returns {*} Returns the cloned value.\n\t     * @see _.cloneDeep\n\t     * @example\n\t     *\n\t     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t     *\n\t     * var shallow = _.clone(objects);\n\t     * console.log(shallow[0] === objects[0]);\n\t     * // => true\n\t     */\n\t    function clone(value) {\n\t      return baseClone(value, CLONE_SYMBOLS_FLAG);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.clone` except that it accepts `customizer` which\n\t     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n\t     * cloning is handled by the method instead. The `customizer` is invoked with\n\t     * up to four arguments; (value [, index|key, object, stack]).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to clone.\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @returns {*} Returns the cloned value.\n\t     * @see _.cloneDeepWith\n\t     * @example\n\t     *\n\t     * function customizer(value) {\n\t     *   if (_.isElement(value)) {\n\t     *     return value.cloneNode(false);\n\t     *   }\n\t     * }\n\t     *\n\t     * var el = _.cloneWith(document.body, customizer);\n\t     *\n\t     * console.log(el === document.body);\n\t     * // => false\n\t     * console.log(el.nodeName);\n\t     * // => 'BODY'\n\t     * console.log(el.childNodes.length);\n\t     * // => 0\n\t     */\n\t    function cloneWith(value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.clone` except that it recursively clones `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to recursively clone.\n\t     * @returns {*} Returns the deep cloned value.\n\t     * @see _.clone\n\t     * @example\n\t     *\n\t     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t     *\n\t     * var deep = _.cloneDeep(objects);\n\t     * console.log(deep[0] === objects[0]);\n\t     * // => false\n\t     */\n\t    function cloneDeep(value) {\n\t      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.cloneWith` except that it recursively clones `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to recursively clone.\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @returns {*} Returns the deep cloned value.\n\t     * @see _.cloneWith\n\t     * @example\n\t     *\n\t     * function customizer(value) {\n\t     *   if (_.isElement(value)) {\n\t     *     return value.cloneNode(true);\n\t     *   }\n\t     * }\n\t     *\n\t     * var el = _.cloneDeepWith(document.body, customizer);\n\t     *\n\t     * console.log(el === document.body);\n\t     * // => false\n\t     * console.log(el.nodeName);\n\t     * // => 'BODY'\n\t     * console.log(el.childNodes.length);\n\t     * // => 20\n\t     */\n\t    function cloneDeepWith(value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n\t    }\n\t\n\t    /**\n\t     * Checks if `object` conforms to `source` by invoking the predicate\n\t     * properties of `source` with the corresponding property values of `object`.\n\t     *\n\t     * **Note:** This method is equivalent to `_.conforms` when `source` is\n\t     * partially applied.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.14.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     *\n\t     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n\t     * // => true\n\t     *\n\t     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n\t     * // => false\n\t     */\n\t    function conformsTo(object, source) {\n\t      return source == null || baseConformsTo(object, source, keys(source));\n\t    }\n\t\n\t    /**\n\t     * Performs a\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * comparison between two values to determine if they are equivalent.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     * var other = { 'a': 1 };\n\t     *\n\t     * _.eq(object, object);\n\t     * // => true\n\t     *\n\t     * _.eq(object, other);\n\t     * // => false\n\t     *\n\t     * _.eq('a', 'a');\n\t     * // => true\n\t     *\n\t     * _.eq('a', Object('a'));\n\t     * // => false\n\t     *\n\t     * _.eq(NaN, NaN);\n\t     * // => true\n\t     */\n\t    function eq(value, other) {\n\t      return value === other || (value !== value && other !== other);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is greater than `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t     *  else `false`.\n\t     * @see _.lt\n\t     * @example\n\t     *\n\t     * _.gt(3, 1);\n\t     * // => true\n\t     *\n\t     * _.gt(3, 3);\n\t     * // => false\n\t     *\n\t     * _.gt(1, 3);\n\t     * // => false\n\t     */\n\t    var gt = createRelationalOperation(baseGt);\n\t\n\t    /**\n\t     * Checks if `value` is greater than or equal to `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n\t     *  `other`, else `false`.\n\t     * @see _.lte\n\t     * @example\n\t     *\n\t     * _.gte(3, 1);\n\t     * // => true\n\t     *\n\t     * _.gte(3, 3);\n\t     * // => true\n\t     *\n\t     * _.gte(1, 3);\n\t     * // => false\n\t     */\n\t    var gte = createRelationalOperation(function(value, other) {\n\t      return value >= other;\n\t    });\n\t\n\t    /**\n\t     * Checks if `value` is likely an `arguments` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isArguments(function() { return arguments; }());\n\t     * // => true\n\t     *\n\t     * _.isArguments([1, 2, 3]);\n\t     * // => false\n\t     */\n\t    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n\t      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n\t        !propertyIsEnumerable.call(value, 'callee');\n\t    };\n\t\n\t    /**\n\t     * Checks if `value` is classified as an `Array` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArray([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArray(document.body.children);\n\t     * // => false\n\t     *\n\t     * _.isArray('abc');\n\t     * // => false\n\t     *\n\t     * _.isArray(_.noop);\n\t     * // => false\n\t     */\n\t    var isArray = Array.isArray;\n\t\n\t    /**\n\t     * Checks if `value` is classified as an `ArrayBuffer` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayBuffer(new ArrayBuffer(2));\n\t     * // => true\n\t     *\n\t     * _.isArrayBuffer(new Array(2));\n\t     * // => false\n\t     */\n\t    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\t\n\t    /**\n\t     * Checks if `value` is array-like. A value is considered array-like if it's\n\t     * not a function and has a `value.length` that's an integer greater than or\n\t     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayLike([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArrayLike(document.body.children);\n\t     * // => true\n\t     *\n\t     * _.isArrayLike('abc');\n\t     * // => true\n\t     *\n\t     * _.isArrayLike(_.noop);\n\t     * // => false\n\t     */\n\t    function isArrayLike(value) {\n\t      return value != null && isLength(value.length) && !isFunction(value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isArrayLike` except that it also checks if `value`\n\t     * is an object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array-like object,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayLikeObject([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArrayLikeObject(document.body.children);\n\t     * // => true\n\t     *\n\t     * _.isArrayLikeObject('abc');\n\t     * // => false\n\t     *\n\t     * _.isArrayLikeObject(_.noop);\n\t     * // => false\n\t     */\n\t    function isArrayLikeObject(value) {\n\t      return isObjectLike(value) && isArrayLike(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a boolean primitive or object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n\t     * @example\n\t     *\n\t     * _.isBoolean(false);\n\t     * // => true\n\t     *\n\t     * _.isBoolean(null);\n\t     * // => false\n\t     */\n\t    function isBoolean(value) {\n\t      return value === true || value === false ||\n\t        (isObjectLike(value) && baseGetTag(value) == boolTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a buffer.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isBuffer(new Buffer(2));\n\t     * // => true\n\t     *\n\t     * _.isBuffer(new Uint8Array(2));\n\t     * // => false\n\t     */\n\t    var isBuffer = nativeIsBuffer || stubFalse;\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Date` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isDate(new Date);\n\t     * // => true\n\t     *\n\t     * _.isDate('Mon April 23 2012');\n\t     * // => false\n\t     */\n\t    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\t\n\t    /**\n\t     * Checks if `value` is likely a DOM element.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n\t     * @example\n\t     *\n\t     * _.isElement(document.body);\n\t     * // => true\n\t     *\n\t     * _.isElement('<body>');\n\t     * // => false\n\t     */\n\t    function isElement(value) {\n\t      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an empty object, collection, map, or set.\n\t     *\n\t     * Objects are considered empty if they have no own enumerable string keyed\n\t     * properties.\n\t     *\n\t     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n\t     * jQuery-like collections are considered empty if they have a `length` of `0`.\n\t     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n\t     * @example\n\t     *\n\t     * _.isEmpty(null);\n\t     * // => true\n\t     *\n\t     * _.isEmpty(true);\n\t     * // => true\n\t     *\n\t     * _.isEmpty(1);\n\t     * // => true\n\t     *\n\t     * _.isEmpty([1, 2, 3]);\n\t     * // => false\n\t     *\n\t     * _.isEmpty({ 'a': 1 });\n\t     * // => false\n\t     */\n\t    function isEmpty(value) {\n\t      if (value == null) {\n\t        return true;\n\t      }\n\t      if (isArrayLike(value) &&\n\t          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n\t            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n\t        return !value.length;\n\t      }\n\t      var tag = getTag(value);\n\t      if (tag == mapTag || tag == setTag) {\n\t        return !value.size;\n\t      }\n\t      if (isPrototype(value)) {\n\t        return !baseKeys(value).length;\n\t      }\n\t      for (var key in value) {\n\t        if (hasOwnProperty.call(value, key)) {\n\t          return false;\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Performs a deep comparison between two values to determine if they are\n\t     * equivalent.\n\t     *\n\t     * **Note:** This method supports comparing arrays, array buffers, booleans,\n\t     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n\t     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n\t     * by their own, not inherited, enumerable properties. Functions and DOM\n\t     * nodes are compared by strict equality, i.e. `===`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     * var other = { 'a': 1 };\n\t     *\n\t     * _.isEqual(object, other);\n\t     * // => true\n\t     *\n\t     * object === other;\n\t     * // => false\n\t     */\n\t    function isEqual(value, other) {\n\t      return baseIsEqual(value, other);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isEqual` except that it accepts `customizer` which\n\t     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t     * are handled by the method instead. The `customizer` is invoked with up to\n\t     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * function isGreeting(value) {\n\t     *   return /^h(?:i|ello)$/.test(value);\n\t     * }\n\t     *\n\t     * function customizer(objValue, othValue) {\n\t     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n\t     *     return true;\n\t     *   }\n\t     * }\n\t     *\n\t     * var array = ['hello', 'goodbye'];\n\t     * var other = ['hi', 'goodbye'];\n\t     *\n\t     * _.isEqualWith(array, other, customizer);\n\t     * // => true\n\t     */\n\t    function isEqualWith(value, other, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      var result = customizer ? customizer(value, other) : undefined;\n\t      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n\t     * `SyntaxError`, `TypeError`, or `URIError` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isError(new Error);\n\t     * // => true\n\t     *\n\t     * _.isError(Error);\n\t     * // => false\n\t     */\n\t    function isError(value) {\n\t      if (!isObjectLike(value)) {\n\t        return false;\n\t      }\n\t      var tag = baseGetTag(value);\n\t      return tag == errorTag || tag == domExcTag ||\n\t        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a finite primitive number.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n\t     * @example\n\t     *\n\t     * _.isFinite(3);\n\t     * // => true\n\t     *\n\t     * _.isFinite(Number.MIN_VALUE);\n\t     * // => true\n\t     *\n\t     * _.isFinite(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isFinite('3');\n\t     * // => false\n\t     */\n\t    function isFinite(value) {\n\t      return typeof value == 'number' && nativeIsFinite(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Function` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n\t     * @example\n\t     *\n\t     * _.isFunction(_);\n\t     * // => true\n\t     *\n\t     * _.isFunction(/abc/);\n\t     * // => false\n\t     */\n\t    function isFunction(value) {\n\t      if (!isObject(value)) {\n\t        return false;\n\t      }\n\t      // The use of `Object#toString` avoids issues with the `typeof` operator\n\t      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n\t      var tag = baseGetTag(value);\n\t      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an integer.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isInteger(3);\n\t     * // => true\n\t     *\n\t     * _.isInteger(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isInteger(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isInteger('3');\n\t     * // => false\n\t     */\n\t    function isInteger(value) {\n\t      return typeof value == 'number' && value == toInteger(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a valid array-like length.\n\t     *\n\t     * **Note:** This method is loosely based on\n\t     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n\t     * @example\n\t     *\n\t     * _.isLength(3);\n\t     * // => true\n\t     *\n\t     * _.isLength(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isLength(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isLength('3');\n\t     * // => false\n\t     */\n\t    function isLength(value) {\n\t      return typeof value == 'number' &&\n\t        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is the\n\t     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n\t     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isObject({});\n\t     * // => true\n\t     *\n\t     * _.isObject([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isObject(_.noop);\n\t     * // => true\n\t     *\n\t     * _.isObject(null);\n\t     * // => false\n\t     */\n\t    function isObject(value) {\n\t      var type = typeof value;\n\t      return value != null && (type == 'object' || type == 'function');\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is object-like. A value is object-like if it's not `null`\n\t     * and has a `typeof` result of \"object\".\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n\t     * @example\n\t     *\n\t     * _.isObjectLike({});\n\t     * // => true\n\t     *\n\t     * _.isObjectLike([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isObjectLike(_.noop);\n\t     * // => false\n\t     *\n\t     * _.isObjectLike(null);\n\t     * // => false\n\t     */\n\t    function isObjectLike(value) {\n\t      return value != null && typeof value == 'object';\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Map` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n\t     * @example\n\t     *\n\t     * _.isMap(new Map);\n\t     * // => true\n\t     *\n\t     * _.isMap(new WeakMap);\n\t     * // => false\n\t     */\n\t    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\t\n\t    /**\n\t     * Performs a partial deep comparison between `object` and `source` to\n\t     * determine if `object` contains equivalent property values.\n\t     *\n\t     * **Note:** This method is equivalent to `_.matches` when `source` is\n\t     * partially applied.\n\t     *\n\t     * Partial comparisons will match empty array and empty object `source`\n\t     * values against any array or object value, respectively. See `_.isEqual`\n\t     * for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     *\n\t     * _.isMatch(object, { 'b': 2 });\n\t     * // => true\n\t     *\n\t     * _.isMatch(object, { 'b': 1 });\n\t     * // => false\n\t     */\n\t    function isMatch(object, source) {\n\t      return object === source || baseIsMatch(object, source, getMatchData(source));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isMatch` except that it accepts `customizer` which\n\t     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t     * are handled by the method instead. The `customizer` is invoked with five\n\t     * arguments: (objValue, srcValue, index|key, object, source).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     * @example\n\t     *\n\t     * function isGreeting(value) {\n\t     *   return /^h(?:i|ello)$/.test(value);\n\t     * }\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n\t     *     return true;\n\t     *   }\n\t     * }\n\t     *\n\t     * var object = { 'greeting': 'hello' };\n\t     * var source = { 'greeting': 'hi' };\n\t     *\n\t     * _.isMatchWith(object, source, customizer);\n\t     * // => true\n\t     */\n\t    function isMatchWith(object, source, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseIsMatch(object, source, getMatchData(source), customizer);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `NaN`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n\t     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n\t     * `undefined` and other non-number values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNaN(NaN);\n\t     * // => true\n\t     *\n\t     * _.isNaN(new Number(NaN));\n\t     * // => true\n\t     *\n\t     * isNaN(undefined);\n\t     * // => true\n\t     *\n\t     * _.isNaN(undefined);\n\t     * // => false\n\t     */\n\t    function isNaN(value) {\n\t      // An `NaN` primitive is the only value that is not equal to itself.\n\t      // Perform the `toStringTag` check first to avoid errors with some\n\t      // ActiveX objects in IE.\n\t      return isNumber(value) && value != +value;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a pristine native function.\n\t     *\n\t     * **Note:** This method can't reliably detect native functions in the presence\n\t     * of the core-js package because core-js circumvents this kind of detection.\n\t     * Despite multiple requests, the core-js maintainer has made it clear: any\n\t     * attempt to fix the detection will be obstructed. As a result, we're left\n\t     * with little choice but to throw an error. Unfortunately, this also affects\n\t     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n\t     * which rely on core-js.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a native function,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isNative(Array.prototype.push);\n\t     * // => true\n\t     *\n\t     * _.isNative(_);\n\t     * // => false\n\t     */\n\t    function isNative(value) {\n\t      if (isMaskable(value)) {\n\t        throw new Error(CORE_ERROR_TEXT);\n\t      }\n\t      return baseIsNative(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `null`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNull(null);\n\t     * // => true\n\t     *\n\t     * _.isNull(void 0);\n\t     * // => false\n\t     */\n\t    function isNull(value) {\n\t      return value === null;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `null` or `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNil(null);\n\t     * // => true\n\t     *\n\t     * _.isNil(void 0);\n\t     * // => true\n\t     *\n\t     * _.isNil(NaN);\n\t     * // => false\n\t     */\n\t    function isNil(value) {\n\t      return value == null;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Number` primitive or object.\n\t     *\n\t     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n\t     * classified as numbers, use the `_.isFinite` method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNumber(3);\n\t     * // => true\n\t     *\n\t     * _.isNumber(Number.MIN_VALUE);\n\t     * // => true\n\t     *\n\t     * _.isNumber(Infinity);\n\t     * // => true\n\t     *\n\t     * _.isNumber('3');\n\t     * // => false\n\t     */\n\t    function isNumber(value) {\n\t      return typeof value == 'number' ||\n\t        (isObjectLike(value) && baseGetTag(value) == numberTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a plain object, that is, an object created by the\n\t     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.8.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * _.isPlainObject(new Foo);\n\t     * // => false\n\t     *\n\t     * _.isPlainObject([1, 2, 3]);\n\t     * // => false\n\t     *\n\t     * _.isPlainObject({ 'x': 0, 'y': 0 });\n\t     * // => true\n\t     *\n\t     * _.isPlainObject(Object.create(null));\n\t     * // => true\n\t     */\n\t    function isPlainObject(value) {\n\t      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n\t        return false;\n\t      }\n\t      var proto = getPrototype(value);\n\t      if (proto === null) {\n\t        return true;\n\t      }\n\t      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n\t      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n\t        funcToString.call(Ctor) == objectCtorString;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `RegExp` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n\t     * @example\n\t     *\n\t     * _.isRegExp(/abc/);\n\t     * // => true\n\t     *\n\t     * _.isRegExp('/abc/');\n\t     * // => false\n\t     */\n\t    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\t\n\t    /**\n\t     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n\t     * double precision number which isn't the result of a rounded unsafe integer.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSafeInteger(3);\n\t     * // => true\n\t     *\n\t     * _.isSafeInteger(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isSafeInteger(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isSafeInteger('3');\n\t     * // => false\n\t     */\n\t    function isSafeInteger(value) {\n\t      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Set` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSet(new Set);\n\t     * // => true\n\t     *\n\t     * _.isSet(new WeakSet);\n\t     * // => false\n\t     */\n\t    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `String` primitive or object.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n\t     * @example\n\t     *\n\t     * _.isString('abc');\n\t     * // => true\n\t     *\n\t     * _.isString(1);\n\t     * // => false\n\t     */\n\t    function isString(value) {\n\t      return typeof value == 'string' ||\n\t        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Symbol` primitive or object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSymbol(Symbol.iterator);\n\t     * // => true\n\t     *\n\t     * _.isSymbol('abc');\n\t     * // => false\n\t     */\n\t    function isSymbol(value) {\n\t      return typeof value == 'symbol' ||\n\t        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a typed array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n\t     * @example\n\t     *\n\t     * _.isTypedArray(new Uint8Array);\n\t     * // => true\n\t     *\n\t     * _.isTypedArray([]);\n\t     * // => false\n\t     */\n\t    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\t\n\t    /**\n\t     * Checks if `value` is `undefined`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isUndefined(void 0);\n\t     * // => true\n\t     *\n\t     * _.isUndefined(null);\n\t     * // => false\n\t     */\n\t    function isUndefined(value) {\n\t      return value === undefined;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `WeakMap` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n\t     * @example\n\t     *\n\t     * _.isWeakMap(new WeakMap);\n\t     * // => true\n\t     *\n\t     * _.isWeakMap(new Map);\n\t     * // => false\n\t     */\n\t    function isWeakMap(value) {\n\t      return isObjectLike(value) && getTag(value) == weakMapTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `WeakSet` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n\t     * @example\n\t     *\n\t     * _.isWeakSet(new WeakSet);\n\t     * // => true\n\t     *\n\t     * _.isWeakSet(new Set);\n\t     * // => false\n\t     */\n\t    function isWeakSet(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is less than `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t     *  else `false`.\n\t     * @see _.gt\n\t     * @example\n\t     *\n\t     * _.lt(1, 3);\n\t     * // => true\n\t     *\n\t     * _.lt(3, 3);\n\t     * // => false\n\t     *\n\t     * _.lt(3, 1);\n\t     * // => false\n\t     */\n\t    var lt = createRelationalOperation(baseLt);\n\t\n\t    /**\n\t     * Checks if `value` is less than or equal to `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than or equal to\n\t     *  `other`, else `false`.\n\t     * @see _.gte\n\t     * @example\n\t     *\n\t     * _.lte(1, 3);\n\t     * // => true\n\t     *\n\t     * _.lte(3, 3);\n\t     * // => true\n\t     *\n\t     * _.lte(3, 1);\n\t     * // => false\n\t     */\n\t    var lte = createRelationalOperation(function(value, other) {\n\t      return value <= other;\n\t    });\n\t\n\t    /**\n\t     * Converts `value` to an array.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {Array} Returns the converted array.\n\t     * @example\n\t     *\n\t     * _.toArray({ 'a': 1, 'b': 2 });\n\t     * // => [1, 2]\n\t     *\n\t     * _.toArray('abc');\n\t     * // => ['a', 'b', 'c']\n\t     *\n\t     * _.toArray(1);\n\t     * // => []\n\t     *\n\t     * _.toArray(null);\n\t     * // => []\n\t     */\n\t    function toArray(value) {\n\t      if (!value) {\n\t        return [];\n\t      }\n\t      if (isArrayLike(value)) {\n\t        return isString(value) ? stringToArray(value) : copyArray(value);\n\t      }\n\t      if (symIterator && value[symIterator]) {\n\t        return iteratorToArray(value[symIterator]());\n\t      }\n\t      var tag = getTag(value),\n\t          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\t\n\t      return func(value);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a finite number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.12.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted number.\n\t     * @example\n\t     *\n\t     * _.toFinite(3.2);\n\t     * // => 3.2\n\t     *\n\t     * _.toFinite(Number.MIN_VALUE);\n\t     * // => 5e-324\n\t     *\n\t     * _.toFinite(Infinity);\n\t     * // => 1.7976931348623157e+308\n\t     *\n\t     * _.toFinite('3.2');\n\t     * // => 3.2\n\t     */\n\t    function toFinite(value) {\n\t      if (!value) {\n\t        return value === 0 ? value : 0;\n\t      }\n\t      value = toNumber(value);\n\t      if (value === INFINITY || value === -INFINITY) {\n\t        var sign = (value < 0 ? -1 : 1);\n\t        return sign * MAX_INTEGER;\n\t      }\n\t      return value === value ? value : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to an integer.\n\t     *\n\t     * **Note:** This method is loosely based on\n\t     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toInteger(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toInteger(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toInteger(Infinity);\n\t     * // => 1.7976931348623157e+308\n\t     *\n\t     * _.toInteger('3.2');\n\t     * // => 3\n\t     */\n\t    function toInteger(value) {\n\t      var result = toFinite(value),\n\t          remainder = result % 1;\n\t\n\t      return result === result ? (remainder ? result - remainder : result) : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to an integer suitable for use as the length of an\n\t     * array-like object.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toLength(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toLength(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toLength(Infinity);\n\t     * // => 4294967295\n\t     *\n\t     * _.toLength('3.2');\n\t     * // => 3\n\t     */\n\t    function toLength(value) {\n\t      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to process.\n\t     * @returns {number} Returns the number.\n\t     * @example\n\t     *\n\t     * _.toNumber(3.2);\n\t     * // => 3.2\n\t     *\n\t     * _.toNumber(Number.MIN_VALUE);\n\t     * // => 5e-324\n\t     *\n\t     * _.toNumber(Infinity);\n\t     * // => Infinity\n\t     *\n\t     * _.toNumber('3.2');\n\t     * // => 3.2\n\t     */\n\t    function toNumber(value) {\n\t      if (typeof value == 'number') {\n\t        return value;\n\t      }\n\t      if (isSymbol(value)) {\n\t        return NAN;\n\t      }\n\t      if (isObject(value)) {\n\t        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n\t        value = isObject(other) ? (other + '') : other;\n\t      }\n\t      if (typeof value != 'string') {\n\t        return value === 0 ? value : +value;\n\t      }\n\t      value = value.replace(reTrim, '');\n\t      var isBinary = reIsBinary.test(value);\n\t      return (isBinary || reIsOctal.test(value))\n\t        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n\t        : (reIsBadHex.test(value) ? NAN : +value);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a plain object flattening inherited enumerable string\n\t     * keyed properties of `value` to own properties of the plain object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {Object} Returns the converted plain object.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.assign({ 'a': 1 }, new Foo);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     *\n\t     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n\t     * // => { 'a': 1, 'b': 2, 'c': 3 }\n\t     */\n\t    function toPlainObject(value) {\n\t      return copyObject(value, keysIn(value));\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a safe integer. A safe integer can be compared and\n\t     * represented correctly.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toSafeInteger(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toSafeInteger(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toSafeInteger(Infinity);\n\t     * // => 9007199254740991\n\t     *\n\t     * _.toSafeInteger('3.2');\n\t     * // => 3\n\t     */\n\t    function toSafeInteger(value) {\n\t      return value\n\t        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n\t        : (value === 0 ? value : 0);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a string. An empty string is returned for `null`\n\t     * and `undefined` values. The sign of `-0` is preserved.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.toString(null);\n\t     * // => ''\n\t     *\n\t     * _.toString(-0);\n\t     * // => '-0'\n\t     *\n\t     * _.toString([1, 2, 3]);\n\t     * // => '1,2,3'\n\t     */\n\t    function toString(value) {\n\t      return value == null ? '' : baseToString(value);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Assigns own enumerable string keyed properties of source objects to the\n\t     * destination object. Source objects are applied from left to right.\n\t     * Subsequent sources overwrite property assignments of previous sources.\n\t     *\n\t     * **Note:** This method mutates `object` and is loosely based on\n\t     * [`Object.assign`](https://mdn.io/Object/assign).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.10.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * function Bar() {\n\t     *   this.c = 3;\n\t     * }\n\t     *\n\t     * Foo.prototype.b = 2;\n\t     * Bar.prototype.d = 4;\n\t     *\n\t     * _.assign({ 'a': 0 }, new Foo, new Bar);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    var assign = createAssigner(function(object, source) {\n\t      if (isPrototype(source) || isArrayLike(source)) {\n\t        copyObject(source, keys(source), object);\n\t        return;\n\t      }\n\t      for (var key in source) {\n\t        if (hasOwnProperty.call(source, key)) {\n\t          assignValue(object, key, source[key]);\n\t        }\n\t      }\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it iterates over own and\n\t     * inherited source properties.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias extend\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assign\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * function Bar() {\n\t     *   this.c = 3;\n\t     * }\n\t     *\n\t     * Foo.prototype.b = 2;\n\t     * Bar.prototype.d = 4;\n\t     *\n\t     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n\t     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n\t     */\n\t    var assignIn = createAssigner(function(object, source) {\n\t      copyObject(source, keysIn(source), object);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assignIn` except that it accepts `customizer`\n\t     * which is invoked to produce the assigned values. If `customizer` returns\n\t     * `undefined`, assignment is handled by the method instead. The `customizer`\n\t     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias extendWith\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignWith\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   return _.isUndefined(objValue) ? srcValue : objValue;\n\t     * }\n\t     *\n\t     * var defaults = _.partialRight(_.assignInWith, customizer);\n\t     *\n\t     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      copyObject(source, keysIn(source), object, customizer);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it accepts `customizer`\n\t     * which is invoked to produce the assigned values. If `customizer` returns\n\t     * `undefined`, assignment is handled by the method instead. The `customizer`\n\t     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignInWith\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   return _.isUndefined(objValue) ? srcValue : objValue;\n\t     * }\n\t     *\n\t     * var defaults = _.partialRight(_.assignWith, customizer);\n\t     *\n\t     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      copyObject(source, keys(source), object, customizer);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of values corresponding to `paths` of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Array} Returns the picked values.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t     *\n\t     * _.at(object, ['a[0].b.c', 'a[1]']);\n\t     * // => [3, 4]\n\t     */\n\t    var at = flatRest(baseAt);\n\t\n\t    /**\n\t     * Creates an object that inherits from the `prototype` object. If a\n\t     * `properties` object is given, its own enumerable string keyed properties\n\t     * are assigned to the created object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.3.0\n\t     * @category Object\n\t     * @param {Object} prototype The object to inherit from.\n\t     * @param {Object} [properties] The properties to assign to the object.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * function Shape() {\n\t     *   this.x = 0;\n\t     *   this.y = 0;\n\t     * }\n\t     *\n\t     * function Circle() {\n\t     *   Shape.call(this);\n\t     * }\n\t     *\n\t     * Circle.prototype = _.create(Shape.prototype, {\n\t     *   'constructor': Circle\n\t     * });\n\t     *\n\t     * var circle = new Circle;\n\t     * circle instanceof Circle;\n\t     * // => true\n\t     *\n\t     * circle instanceof Shape;\n\t     * // => true\n\t     */\n\t    function create(prototype, properties) {\n\t      var result = baseCreate(prototype);\n\t      return properties == null ? result : baseAssign(result, properties);\n\t    }\n\t\n\t    /**\n\t     * Assigns own and inherited enumerable string keyed properties of source\n\t     * objects to the destination object for all destination properties that\n\t     * resolve to `undefined`. Source objects are applied from left to right.\n\t     * Once a property is set, additional values of the same property are ignored.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.defaultsDeep\n\t     * @example\n\t     *\n\t     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var defaults = baseRest(function(args) {\n\t      args.push(undefined, customDefaultsAssignIn);\n\t      return apply(assignInWith, undefined, args);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.defaults` except that it recursively assigns\n\t     * default properties.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.defaults\n\t     * @example\n\t     *\n\t     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n\t     * // => { 'a': { 'b': 2, 'c': 3 } }\n\t     */\n\t    var defaultsDeep = baseRest(function(args) {\n\t      args.push(undefined, customDefaultsMerge);\n\t      return apply(mergeWith, undefined, args);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.find` except that it returns the key of the first\n\t     * element `predicate` returns truthy for instead of the element itself.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {string|undefined} Returns the key of the matched element,\n\t     *  else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'barney':  { 'age': 36, 'active': true },\n\t     *   'fred':    { 'age': 40, 'active': false },\n\t     *   'pebbles': { 'age': 1,  'active': true }\n\t     * };\n\t     *\n\t     * _.findKey(users, function(o) { return o.age < 40; });\n\t     * // => 'barney' (iteration order is not guaranteed)\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findKey(users, { 'age': 1, 'active': true });\n\t     * // => 'pebbles'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findKey(users, ['active', false]);\n\t     * // => 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findKey(users, 'active');\n\t     * // => 'barney'\n\t     */\n\t    function findKey(object, predicate) {\n\t      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.findKey` except that it iterates over elements of\n\t     * a collection in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {string|undefined} Returns the key of the matched element,\n\t     *  else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'barney':  { 'age': 36, 'active': true },\n\t     *   'fred':    { 'age': 40, 'active': false },\n\t     *   'pebbles': { 'age': 1,  'active': true }\n\t     * };\n\t     *\n\t     * _.findLastKey(users, function(o) { return o.age < 40; });\n\t     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findLastKey(users, { 'age': 36, 'active': true });\n\t     * // => 'barney'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findLastKey(users, ['active', false]);\n\t     * // => 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findLastKey(users, 'active');\n\t     * // => 'pebbles'\n\t     */\n\t    function findLastKey(object, predicate) {\n\t      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n\t    }\n\t\n\t    /**\n\t     * Iterates over own and inherited enumerable string keyed properties of an\n\t     * object and invokes `iteratee` for each property. The iteratee is invoked\n\t     * with three arguments: (value, key, object). Iteratee functions may exit\n\t     * iteration early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forInRight\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forIn(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n\t     */\n\t    function forIn(object, iteratee) {\n\t      return object == null\n\t        ? object\n\t        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forIn` except that it iterates over properties of\n\t     * `object` in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forInRight(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n\t     */\n\t    function forInRight(object, iteratee) {\n\t      return object == null\n\t        ? object\n\t        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n\t    }\n\t\n\t    /**\n\t     * Iterates over own enumerable string keyed properties of an object and\n\t     * invokes `iteratee` for each property. The iteratee is invoked with three\n\t     * arguments: (value, key, object). Iteratee functions may exit iteration\n\t     * early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forOwnRight\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forOwn(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t     */\n\t    function forOwn(object, iteratee) {\n\t      return object && baseForOwn(object, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forOwn` except that it iterates over properties of\n\t     * `object` in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forOwn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forOwnRight(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n\t     */\n\t    function forOwnRight(object, iteratee) {\n\t      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of function property names from own enumerable properties\n\t     * of `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @returns {Array} Returns the function names.\n\t     * @see _.functionsIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = _.constant('a');\n\t     *   this.b = _.constant('b');\n\t     * }\n\t     *\n\t     * Foo.prototype.c = _.constant('c');\n\t     *\n\t     * _.functions(new Foo);\n\t     * // => ['a', 'b']\n\t     */\n\t    function functions(object) {\n\t      return object == null ? [] : baseFunctions(object, keys(object));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of function property names from own and inherited\n\t     * enumerable properties of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @returns {Array} Returns the function names.\n\t     * @see _.functions\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = _.constant('a');\n\t     *   this.b = _.constant('b');\n\t     * }\n\t     *\n\t     * Foo.prototype.c = _.constant('c');\n\t     *\n\t     * _.functionsIn(new Foo);\n\t     * // => ['a', 'b', 'c']\n\t     */\n\t    function functionsIn(object) {\n\t      return object == null ? [] : baseFunctions(object, keysIn(object));\n\t    }\n\t\n\t    /**\n\t     * Gets the value at `path` of `object`. If the resolved value is\n\t     * `undefined`, the `defaultValue` is returned in its place.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.get(object, 'a[0].b.c');\n\t     * // => 3\n\t     *\n\t     * _.get(object, ['a', '0', 'b', 'c']);\n\t     * // => 3\n\t     *\n\t     * _.get(object, 'a.b.c', 'default');\n\t     * // => 'default'\n\t     */\n\t    function get(object, path, defaultValue) {\n\t      var result = object == null ? undefined : baseGet(object, path);\n\t      return result === undefined ? defaultValue : result;\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` is a direct property of `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': { 'b': 2 } };\n\t     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n\t     *\n\t     * _.has(object, 'a');\n\t     * // => true\n\t     *\n\t     * _.has(object, 'a.b');\n\t     * // => true\n\t     *\n\t     * _.has(object, ['a', 'b']);\n\t     * // => true\n\t     *\n\t     * _.has(other, 'a');\n\t     * // => false\n\t     */\n\t    function has(object, path) {\n\t      return object != null && hasPath(object, path, baseHas);\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` is a direct or inherited property of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     * @example\n\t     *\n\t     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n\t     *\n\t     * _.hasIn(object, 'a');\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, 'a.b');\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, ['a', 'b']);\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, 'b');\n\t     * // => false\n\t     */\n\t    function hasIn(object, path) {\n\t      return object != null && hasPath(object, path, baseHasIn);\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of the inverted keys and values of `object`.\n\t     * If `object` contains duplicate values, subsequent values overwrite\n\t     * property assignments of previous values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to invert.\n\t     * @returns {Object} Returns the new inverted object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t     *\n\t     * _.invert(object);\n\t     * // => { '1': 'c', '2': 'b' }\n\t     */\n\t    var invert = createInverter(function(result, value, key) {\n\t      result[value] = key;\n\t    }, constant(identity));\n\t\n\t    /**\n\t     * This method is like `_.invert` except that the inverted object is generated\n\t     * from the results of running each element of `object` thru `iteratee`. The\n\t     * corresponding inverted value of each inverted key is an array of keys\n\t     * responsible for generating the inverted value. The iteratee is invoked\n\t     * with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.1.0\n\t     * @category Object\n\t     * @param {Object} object The object to invert.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Object} Returns the new inverted object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t     *\n\t     * _.invertBy(object);\n\t     * // => { '1': ['a', 'c'], '2': ['b'] }\n\t     *\n\t     * _.invertBy(object, function(value) {\n\t     *   return 'group' + value;\n\t     * });\n\t     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n\t     */\n\t    var invertBy = createInverter(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, value)) {\n\t        result[value].push(key);\n\t      } else {\n\t        result[value] = [key];\n\t      }\n\t    }, getIteratee);\n\t\n\t    /**\n\t     * Invokes the method at `path` of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {*} Returns the result of the invoked method.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n\t     *\n\t     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n\t     * // => [2, 3]\n\t     */\n\t    var invoke = baseRest(baseInvoke);\n\t\n\t    /**\n\t     * Creates an array of the own enumerable property names of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects. See the\n\t     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n\t     * for more details.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.keys(new Foo);\n\t     * // => ['a', 'b'] (iteration order is not guaranteed)\n\t     *\n\t     * _.keys('hi');\n\t     * // => ['0', '1']\n\t     */\n\t    function keys(object) {\n\t      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable property names of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.keysIn(new Foo);\n\t     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n\t     */\n\t    function keysIn(object) {\n\t      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.mapValues`; this method creates an object with the\n\t     * same values as `object` and keys generated by running each own enumerable\n\t     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n\t     * with three arguments: (value, key, object).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns the new mapped object.\n\t     * @see _.mapValues\n\t     * @example\n\t     *\n\t     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n\t     *   return key + value;\n\t     * });\n\t     * // => { 'a1': 1, 'b2': 2 }\n\t     */\n\t    function mapKeys(object, iteratee) {\n\t      var result = {};\n\t      iteratee = getIteratee(iteratee, 3);\n\t\n\t      baseForOwn(object, function(value, key, object) {\n\t        baseAssignValue(result, iteratee(value, key, object), value);\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an object with the same keys as `object` and values generated\n\t     * by running each own enumerable string keyed property of `object` thru\n\t     * `iteratee`. The iteratee is invoked with three arguments:\n\t     * (value, key, object).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns the new mapped object.\n\t     * @see _.mapKeys\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'fred':    { 'user': 'fred',    'age': 40 },\n\t     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n\t     * };\n\t     *\n\t     * _.mapValues(users, function(o) { return o.age; });\n\t     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.mapValues(users, 'age');\n\t     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t     */\n\t    function mapValues(object, iteratee) {\n\t      var result = {};\n\t      iteratee = getIteratee(iteratee, 3);\n\t\n\t      baseForOwn(object, function(value, key, object) {\n\t        baseAssignValue(result, key, iteratee(value, key, object));\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it recursively merges own and\n\t     * inherited enumerable string keyed properties of source objects into the\n\t     * destination object. Source properties that resolve to `undefined` are\n\t     * skipped if a destination value exists. Array and plain object properties\n\t     * are merged recursively. Other objects and value types are overridden by\n\t     * assignment. Source objects are applied from left to right. Subsequent\n\t     * sources overwrite property assignments of previous sources.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {\n\t     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n\t     * };\n\t     *\n\t     * var other = {\n\t     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n\t     * };\n\t     *\n\t     * _.merge(object, other);\n\t     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n\t     */\n\t    var merge = createAssigner(function(object, source, srcIndex) {\n\t      baseMerge(object, source, srcIndex);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.merge` except that it accepts `customizer` which\n\t     * is invoked to produce the merged values of the destination and source\n\t     * properties. If `customizer` returns `undefined`, merging is handled by the\n\t     * method instead. The `customizer` is invoked with six arguments:\n\t     * (objValue, srcValue, key, object, source, stack).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} customizer The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   if (_.isArray(objValue)) {\n\t     *     return objValue.concat(srcValue);\n\t     *   }\n\t     * }\n\t     *\n\t     * var object = { 'a': [1], 'b': [2] };\n\t     * var other = { 'a': [3], 'b': [4] };\n\t     *\n\t     * _.mergeWith(object, other, customizer);\n\t     * // => { 'a': [1, 3], 'b': [2, 4] }\n\t     */\n\t    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      baseMerge(object, source, srcIndex, customizer);\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.pick`; this method creates an object composed of the\n\t     * own and inherited enumerable property paths of `object` that are not omitted.\n\t     *\n\t     * **Note:** This method is considerably slower than `_.pick`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {...(string|string[])} [paths] The property paths to omit.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.omit(object, ['a', 'c']);\n\t     * // => { 'b': '2' }\n\t     */\n\t    var omit = flatRest(function(object, paths) {\n\t      var result = {};\n\t      if (object == null) {\n\t        return result;\n\t      }\n\t      var isDeep = false;\n\t      paths = arrayMap(paths, function(path) {\n\t        path = castPath(path, object);\n\t        isDeep || (isDeep = path.length > 1);\n\t        return path;\n\t      });\n\t      copyObject(object, getAllKeysIn(object), result);\n\t      if (isDeep) {\n\t        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n\t      }\n\t      var length = paths.length;\n\t      while (length--) {\n\t        baseUnset(result, paths[length]);\n\t      }\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.pickBy`; this method creates an object composed of\n\t     * the own and inherited enumerable string keyed properties of `object` that\n\t     * `predicate` doesn't return truthy for. The predicate is invoked with two\n\t     * arguments: (value, key).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {Function} [predicate=_.identity] The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.omitBy(object, _.isNumber);\n\t     * // => { 'b': '2' }\n\t     */\n\t    function omitBy(object, predicate) {\n\t      return pickBy(object, negate(getIteratee(predicate)));\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of the picked `object` properties.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.pick(object, ['a', 'c']);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    var pick = flatRest(function(object, paths) {\n\t      return object == null ? {} : basePick(object, paths);\n\t    });\n\t\n\t    /**\n\t     * Creates an object composed of the `object` properties `predicate` returns\n\t     * truthy for. The predicate is invoked with two arguments: (value, key).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {Function} [predicate=_.identity] The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.pickBy(object, _.isNumber);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    function pickBy(object, predicate) {\n\t      if (object == null) {\n\t        return {};\n\t      }\n\t      var props = arrayMap(getAllKeysIn(object), function(prop) {\n\t        return [prop];\n\t      });\n\t      predicate = getIteratee(predicate);\n\t      return basePickBy(object, props, function(value, path) {\n\t        return predicate(value, path[0]);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.get` except that if the resolved value is a\n\t     * function it's invoked with the `this` binding of its parent object and\n\t     * its result is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to resolve.\n\t     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n\t     *\n\t     * _.result(object, 'a[0].b.c1');\n\t     * // => 3\n\t     *\n\t     * _.result(object, 'a[0].b.c2');\n\t     * // => 4\n\t     *\n\t     * _.result(object, 'a[0].b.c3', 'default');\n\t     * // => 'default'\n\t     *\n\t     * _.result(object, 'a[0].b.c3', _.constant('default'));\n\t     * // => 'default'\n\t     */\n\t    function result(object, path, defaultValue) {\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length;\n\t\n\t      // Ensure the loop is entered when path is empty.\n\t      if (!length) {\n\t        length = 1;\n\t        object = undefined;\n\t      }\n\t      while (++index < length) {\n\t        var value = object == null ? undefined : object[toKey(path[index])];\n\t        if (value === undefined) {\n\t          index = length;\n\t          value = defaultValue;\n\t        }\n\t        object = isFunction(value) ? value.call(object) : value;\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n\t     * it's created. Arrays are created for missing index properties while objects\n\t     * are created for all other missing properties. Use `_.setWith` to customize\n\t     * `path` creation.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.set(object, 'a[0].b.c', 4);\n\t     * console.log(object.a[0].b.c);\n\t     * // => 4\n\t     *\n\t     * _.set(object, ['x', '0', 'y', 'z'], 5);\n\t     * console.log(object.x[0].y.z);\n\t     * // => 5\n\t     */\n\t    function set(object, path, value) {\n\t      return object == null ? object : baseSet(object, path, value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.set` except that it accepts `customizer` which is\n\t     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n\t     * path creation is handled by the method instead. The `customizer` is invoked\n\t     * with three arguments: (nsValue, key, nsObject).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {};\n\t     *\n\t     * _.setWith(object, '[0][1]', 'a', Object);\n\t     * // => { '0': { '1': 'a' } }\n\t     */\n\t    function setWith(object, path, value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return object == null ? object : baseSet(object, path, value, customizer);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own enumerable string keyed-value pairs for `object`\n\t     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n\t     * entries are returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias entries\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the key-value pairs.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.toPairs(new Foo);\n\t     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n\t     */\n\t    var toPairs = createToPairs(keys);\n\t\n\t    /**\n\t     * Creates an array of own and inherited enumerable string keyed-value pairs\n\t     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n\t     * or set, its entries are returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias entriesIn\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the key-value pairs.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.toPairsIn(new Foo);\n\t     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n\t     */\n\t    var toPairsIn = createToPairs(keysIn);\n\t\n\t    /**\n\t     * An alternative to `_.reduce`; this method transforms `object` to a new\n\t     * `accumulator` object which is the result of running each of its own\n\t     * enumerable string keyed properties thru `iteratee`, with each invocation\n\t     * potentially mutating the `accumulator` object. If `accumulator` is not\n\t     * provided, a new object with the same `[[Prototype]]` will be used. The\n\t     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The custom accumulator value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @example\n\t     *\n\t     * _.transform([2, 3, 4], function(result, n) {\n\t     *   result.push(n *= n);\n\t     *   return n % 2 == 0;\n\t     * }, []);\n\t     * // => [4, 9]\n\t     *\n\t     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t     *   (result[value] || (result[value] = [])).push(key);\n\t     * }, {});\n\t     * // => { '1': ['a', 'c'], '2': ['b'] }\n\t     */\n\t    function transform(object, iteratee, accumulator) {\n\t      var isArr = isArray(object),\n\t          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\t\n\t      iteratee = getIteratee(iteratee, 4);\n\t      if (accumulator == null) {\n\t        var Ctor = object && object.constructor;\n\t        if (isArrLike) {\n\t          accumulator = isArr ? new Ctor : [];\n\t        }\n\t        else if (isObject(object)) {\n\t          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n\t        }\n\t        else {\n\t          accumulator = {};\n\t        }\n\t      }\n\t      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n\t        return iteratee(accumulator, value, index, object);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * Removes the property at `path` of `object`.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to unset.\n\t     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n\t     * _.unset(object, 'a[0].b.c');\n\t     * // => true\n\t     *\n\t     * console.log(object);\n\t     * // => { 'a': [{ 'b': {} }] };\n\t     *\n\t     * _.unset(object, ['a', '0', 'b', 'c']);\n\t     * // => true\n\t     *\n\t     * console.log(object);\n\t     * // => { 'a': [{ 'b': {} }] };\n\t     */\n\t    function unset(object, path) {\n\t      return object == null ? true : baseUnset(object, path);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.set` except that accepts `updater` to produce the\n\t     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n\t     * is invoked with one argument: (value).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n\t     * console.log(object.a[0].b.c);\n\t     * // => 9\n\t     *\n\t     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n\t     * console.log(object.x[0].y.z);\n\t     * // => 0\n\t     */\n\t    function update(object, path, updater) {\n\t      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.update` except that it accepts `customizer` which is\n\t     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n\t     * path creation is handled by the method instead. The `customizer` is invoked\n\t     * with three arguments: (nsValue, key, nsObject).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {};\n\t     *\n\t     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n\t     * // => { '0': { '1': 'a' } }\n\t     */\n\t    function updateWith(object, path, updater, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own enumerable string keyed property values of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property values.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.values(new Foo);\n\t     * // => [1, 2] (iteration order is not guaranteed)\n\t     *\n\t     * _.values('hi');\n\t     * // => ['h', 'i']\n\t     */\n\t    function values(object) {\n\t      return object == null ? [] : baseValues(object, keys(object));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable string keyed property\n\t     * values of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property values.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.valuesIn(new Foo);\n\t     * // => [1, 2, 3] (iteration order is not guaranteed)\n\t     */\n\t    function valuesIn(object) {\n\t      return object == null ? [] : baseValues(object, keysIn(object));\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Number\n\t     * @param {number} number The number to clamp.\n\t     * @param {number} [lower] The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the clamped number.\n\t     * @example\n\t     *\n\t     * _.clamp(-10, -5, 5);\n\t     * // => -5\n\t     *\n\t     * _.clamp(10, -5, 5);\n\t     * // => 5\n\t     */\n\t    function clamp(number, lower, upper) {\n\t      if (upper === undefined) {\n\t        upper = lower;\n\t        lower = undefined;\n\t      }\n\t      if (upper !== undefined) {\n\t        upper = toNumber(upper);\n\t        upper = upper === upper ? upper : 0;\n\t      }\n\t      if (lower !== undefined) {\n\t        lower = toNumber(lower);\n\t        lower = lower === lower ? lower : 0;\n\t      }\n\t      return baseClamp(toNumber(number), lower, upper);\n\t    }\n\t\n\t    /**\n\t     * Checks if `n` is between `start` and up to, but not including, `end`. If\n\t     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n\t     * If `start` is greater than `end` the params are swapped to support\n\t     * negative ranges.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.3.0\n\t     * @category Number\n\t     * @param {number} number The number to check.\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t     * @see _.range, _.rangeRight\n\t     * @example\n\t     *\n\t     * _.inRange(3, 2, 4);\n\t     * // => true\n\t     *\n\t     * _.inRange(4, 8);\n\t     * // => true\n\t     *\n\t     * _.inRange(4, 2);\n\t     * // => false\n\t     *\n\t     * _.inRange(2, 2);\n\t     * // => false\n\t     *\n\t     * _.inRange(1.2, 2);\n\t     * // => true\n\t     *\n\t     * _.inRange(5.2, 4);\n\t     * // => false\n\t     *\n\t     * _.inRange(-3, -2, -6);\n\t     * // => true\n\t     */\n\t    function inRange(number, start, end) {\n\t      start = toFinite(start);\n\t      if (end === undefined) {\n\t        end = start;\n\t        start = 0;\n\t      } else {\n\t        end = toFinite(end);\n\t      }\n\t      number = toNumber(number);\n\t      return baseInRange(number, start, end);\n\t    }\n\t\n\t    /**\n\t     * Produces a random number between the inclusive `lower` and `upper` bounds.\n\t     * If only one argument is provided a number between `0` and the given number\n\t     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n\t     * floats, a floating-point number is returned instead of an integer.\n\t     *\n\t     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t     * floating-point values which can produce unexpected results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.7.0\n\t     * @category Number\n\t     * @param {number} [lower=0] The lower bound.\n\t     * @param {number} [upper=1] The upper bound.\n\t     * @param {boolean} [floating] Specify returning a floating-point number.\n\t     * @returns {number} Returns the random number.\n\t     * @example\n\t     *\n\t     * _.random(0, 5);\n\t     * // => an integer between 0 and 5\n\t     *\n\t     * _.random(5);\n\t     * // => also an integer between 0 and 5\n\t     *\n\t     * _.random(5, true);\n\t     * // => a floating-point number between 0 and 5\n\t     *\n\t     * _.random(1.2, 5.2);\n\t     * // => a floating-point number between 1.2 and 5.2\n\t     */\n\t    function random(lower, upper, floating) {\n\t      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n\t        upper = floating = undefined;\n\t      }\n\t      if (floating === undefined) {\n\t        if (typeof upper == 'boolean') {\n\t          floating = upper;\n\t          upper = undefined;\n\t        }\n\t        else if (typeof lower == 'boolean') {\n\t          floating = lower;\n\t          lower = undefined;\n\t        }\n\t      }\n\t      if (lower === undefined && upper === undefined) {\n\t        lower = 0;\n\t        upper = 1;\n\t      }\n\t      else {\n\t        lower = toFinite(lower);\n\t        if (upper === undefined) {\n\t          upper = lower;\n\t          lower = 0;\n\t        } else {\n\t          upper = toFinite(upper);\n\t        }\n\t      }\n\t      if (lower > upper) {\n\t        var temp = lower;\n\t        lower = upper;\n\t        upper = temp;\n\t      }\n\t      if (floating || lower % 1 || upper % 1) {\n\t        var rand = nativeRandom();\n\t        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n\t      }\n\t      return baseRandom(lower, upper);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the camel cased string.\n\t     * @example\n\t     *\n\t     * _.camelCase('Foo Bar');\n\t     * // => 'fooBar'\n\t     *\n\t     * _.camelCase('--foo-bar--');\n\t     * // => 'fooBar'\n\t     *\n\t     * _.camelCase('__FOO_BAR__');\n\t     * // => 'fooBar'\n\t     */\n\t    var camelCase = createCompounder(function(result, word, index) {\n\t      word = word.toLowerCase();\n\t      return result + (index ? capitalize(word) : word);\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to upper case and the remaining\n\t     * to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to capitalize.\n\t     * @returns {string} Returns the capitalized string.\n\t     * @example\n\t     *\n\t     * _.capitalize('FRED');\n\t     * // => 'Fred'\n\t     */\n\t    function capitalize(string) {\n\t      return upperFirst(toString(string).toLowerCase());\n\t    }\n\t\n\t    /**\n\t     * Deburrs `string` by converting\n\t     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n\t     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n\t     * letters to basic Latin letters and removing\n\t     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to deburr.\n\t     * @returns {string} Returns the deburred string.\n\t     * @example\n\t     *\n\t     * _.deburr('déjà vu');\n\t     * // => 'deja vu'\n\t     */\n\t    function deburr(string) {\n\t      string = toString(string);\n\t      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n\t    }\n\t\n\t    /**\n\t     * Checks if `string` ends with the given target string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {string} [target] The string to search for.\n\t     * @param {number} [position=string.length] The position to search up to.\n\t     * @returns {boolean} Returns `true` if `string` ends with `target`,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.endsWith('abc', 'c');\n\t     * // => true\n\t     *\n\t     * _.endsWith('abc', 'b');\n\t     * // => false\n\t     *\n\t     * _.endsWith('abc', 'b', 2);\n\t     * // => true\n\t     */\n\t    function endsWith(string, target, position) {\n\t      string = toString(string);\n\t      target = baseToString(target);\n\t\n\t      var length = string.length;\n\t      position = position === undefined\n\t        ? length\n\t        : baseClamp(toInteger(position), 0, length);\n\t\n\t      var end = position;\n\t      position -= target.length;\n\t      return position >= 0 && string.slice(position, end) == target;\n\t    }\n\t\n\t    /**\n\t     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n\t     * corresponding HTML entities.\n\t     *\n\t     * **Note:** No other characters are escaped. To escape additional\n\t     * characters use a third-party library like [_he_](https://mths.be/he).\n\t     *\n\t     * Though the \">\" character is escaped for symmetry, characters like\n\t     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n\t     * unless they're part of a tag or unquoted attribute value. See\n\t     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n\t     * (under \"semi-related fun fact\") for more details.\n\t     *\n\t     * When working with HTML you should always\n\t     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n\t     * XSS vectors.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category String\n\t     * @param {string} [string=''] The string to escape.\n\t     * @returns {string} Returns the escaped string.\n\t     * @example\n\t     *\n\t     * _.escape('fred, barney, & pebbles');\n\t     * // => 'fred, barney, &amp; pebbles'\n\t     */\n\t    function escape(string) {\n\t      string = toString(string);\n\t      return (string && reHasUnescapedHtml.test(string))\n\t        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n\t     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to escape.\n\t     * @returns {string} Returns the escaped string.\n\t     * @example\n\t     *\n\t     * _.escapeRegExp('[lodash](https://lodash.com/)');\n\t     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n\t     */\n\t    function escapeRegExp(string) {\n\t      string = toString(string);\n\t      return (string && reHasRegExpChar.test(string))\n\t        ? string.replace(reRegExpChar, '\\\\$&')\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the kebab cased string.\n\t     * @example\n\t     *\n\t     * _.kebabCase('Foo Bar');\n\t     * // => 'foo-bar'\n\t     *\n\t     * _.kebabCase('fooBar');\n\t     * // => 'foo-bar'\n\t     *\n\t     * _.kebabCase('__FOO_BAR__');\n\t     * // => 'foo-bar'\n\t     */\n\t    var kebabCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? '-' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Converts `string`, as space separated words, to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the lower cased string.\n\t     * @example\n\t     *\n\t     * _.lowerCase('--Foo-Bar--');\n\t     * // => 'foo bar'\n\t     *\n\t     * _.lowerCase('fooBar');\n\t     * // => 'foo bar'\n\t     *\n\t     * _.lowerCase('__FOO_BAR__');\n\t     * // => 'foo bar'\n\t     */\n\t    var lowerCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.lowerFirst('Fred');\n\t     * // => 'fred'\n\t     *\n\t     * _.lowerFirst('FRED');\n\t     * // => 'fRED'\n\t     */\n\t    var lowerFirst = createCaseFirst('toLowerCase');\n\t\n\t    /**\n\t     * Pads `string` on the left and right sides if it's shorter than `length`.\n\t     * Padding characters are truncated if they can't be evenly divided by `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.pad('abc', 8);\n\t     * // => '  abc   '\n\t     *\n\t     * _.pad('abc', 8, '_-');\n\t     * // => '_-abc_-_'\n\t     *\n\t     * _.pad('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function pad(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      if (!length || strLength >= length) {\n\t        return string;\n\t      }\n\t      var mid = (length - strLength) / 2;\n\t      return (\n\t        createPadding(nativeFloor(mid), chars) +\n\t        string +\n\t        createPadding(nativeCeil(mid), chars)\n\t      );\n\t    }\n\t\n\t    /**\n\t     * Pads `string` on the right side if it's shorter than `length`. Padding\n\t     * characters are truncated if they exceed `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.padEnd('abc', 6);\n\t     * // => 'abc   '\n\t     *\n\t     * _.padEnd('abc', 6, '_-');\n\t     * // => 'abc_-_'\n\t     *\n\t     * _.padEnd('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function padEnd(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      return (length && strLength < length)\n\t        ? (string + createPadding(length - strLength, chars))\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Pads `string` on the left side if it's shorter than `length`. Padding\n\t     * characters are truncated if they exceed `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.padStart('abc', 6);\n\t     * // => '   abc'\n\t     *\n\t     * _.padStart('abc', 6, '_-');\n\t     * // => '_-_abc'\n\t     *\n\t     * _.padStart('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function padStart(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      return (length && strLength < length)\n\t        ? (createPadding(length - strLength, chars) + string)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to an integer of the specified radix. If `radix` is\n\t     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n\t     * hexadecimal, in which case a `radix` of `16` is used.\n\t     *\n\t     * **Note:** This method aligns with the\n\t     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category String\n\t     * @param {string} string The string to convert.\n\t     * @param {number} [radix=10] The radix to interpret `value` by.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.parseInt('08');\n\t     * // => 8\n\t     *\n\t     * _.map(['6', '08', '10'], _.parseInt);\n\t     * // => [6, 8, 10]\n\t     */\n\t    function parseInt(string, radix, guard) {\n\t      if (guard || radix == null) {\n\t        radix = 0;\n\t      } else if (radix) {\n\t        radix = +radix;\n\t      }\n\t      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n\t    }\n\t\n\t    /**\n\t     * Repeats the given string `n` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to repeat.\n\t     * @param {number} [n=1] The number of times to repeat the string.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the repeated string.\n\t     * @example\n\t     *\n\t     * _.repeat('*', 3);\n\t     * // => '***'\n\t     *\n\t     * _.repeat('abc', 2);\n\t     * // => 'abcabc'\n\t     *\n\t     * _.repeat('abc', 0);\n\t     * // => ''\n\t     */\n\t    function repeat(string, n, guard) {\n\t      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n\t        n = 1;\n\t      } else {\n\t        n = toInteger(n);\n\t      }\n\t      return baseRepeat(toString(string), n);\n\t    }\n\t\n\t    /**\n\t     * Replaces matches for `pattern` in `string` with `replacement`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`String#replace`](https://mdn.io/String/replace).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to modify.\n\t     * @param {RegExp|string} pattern The pattern to replace.\n\t     * @param {Function|string} replacement The match replacement.\n\t     * @returns {string} Returns the modified string.\n\t     * @example\n\t     *\n\t     * _.replace('Hi Fred', 'Fred', 'Barney');\n\t     * // => 'Hi Barney'\n\t     */\n\t    function replace() {\n\t      var args = arguments,\n\t          string = toString(args[0]);\n\t\n\t      return args.length < 3 ? string : string.replace(args[1], args[2]);\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the snake cased string.\n\t     * @example\n\t     *\n\t     * _.snakeCase('Foo Bar');\n\t     * // => 'foo_bar'\n\t     *\n\t     * _.snakeCase('fooBar');\n\t     * // => 'foo_bar'\n\t     *\n\t     * _.snakeCase('--FOO-BAR--');\n\t     * // => 'foo_bar'\n\t     */\n\t    var snakeCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? '_' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Splits `string` by `separator`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`String#split`](https://mdn.io/String/split).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to split.\n\t     * @param {RegExp|string} separator The separator pattern to split by.\n\t     * @param {number} [limit] The length to truncate results to.\n\t     * @returns {Array} Returns the string segments.\n\t     * @example\n\t     *\n\t     * _.split('a-b-c', '-', 2);\n\t     * // => ['a', 'b']\n\t     */\n\t    function split(string, separator, limit) {\n\t      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n\t        separator = limit = undefined;\n\t      }\n\t      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n\t      if (!limit) {\n\t        return [];\n\t      }\n\t      string = toString(string);\n\t      if (string && (\n\t            typeof separator == 'string' ||\n\t            (separator != null && !isRegExp(separator))\n\t          )) {\n\t        separator = baseToString(separator);\n\t        if (!separator && hasUnicode(string)) {\n\t          return castSlice(stringToArray(string), 0, limit);\n\t        }\n\t      }\n\t      return string.split(separator, limit);\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.1.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the start cased string.\n\t     * @example\n\t     *\n\t     * _.startCase('--foo-bar--');\n\t     * // => 'Foo Bar'\n\t     *\n\t     * _.startCase('fooBar');\n\t     * // => 'Foo Bar'\n\t     *\n\t     * _.startCase('__FOO_BAR__');\n\t     * // => 'FOO BAR'\n\t     */\n\t    var startCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + upperFirst(word);\n\t    });\n\t\n\t    /**\n\t     * Checks if `string` starts with the given target string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {string} [target] The string to search for.\n\t     * @param {number} [position=0] The position to search from.\n\t     * @returns {boolean} Returns `true` if `string` starts with `target`,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.startsWith('abc', 'a');\n\t     * // => true\n\t     *\n\t     * _.startsWith('abc', 'b');\n\t     * // => false\n\t     *\n\t     * _.startsWith('abc', 'b', 1);\n\t     * // => true\n\t     */\n\t    function startsWith(string, target, position) {\n\t      string = toString(string);\n\t      position = position == null\n\t        ? 0\n\t        : baseClamp(toInteger(position), 0, string.length);\n\t\n\t      target = baseToString(target);\n\t      return string.slice(position, position + target.length) == target;\n\t    }\n\t\n\t    /**\n\t     * Creates a compiled template function that can interpolate data properties\n\t     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n\t     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n\t     * properties may be accessed as free variables in the template. If a setting\n\t     * object is given, it takes precedence over `_.templateSettings` values.\n\t     *\n\t     * **Note:** In the development build `_.template` utilizes\n\t     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n\t     * for easier debugging.\n\t     *\n\t     * For more information on precompiling templates see\n\t     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n\t     *\n\t     * For more information on Chrome extension sandboxes see\n\t     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category String\n\t     * @param {string} [string=''] The template string.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {RegExp} [options.escape=_.templateSettings.escape]\n\t     *  The HTML \"escape\" delimiter.\n\t     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n\t     *  The \"evaluate\" delimiter.\n\t     * @param {Object} [options.imports=_.templateSettings.imports]\n\t     *  An object to import into the template as free variables.\n\t     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n\t     *  The \"interpolate\" delimiter.\n\t     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n\t     *  The sourceURL of the compiled template.\n\t     * @param {string} [options.variable='obj']\n\t     *  The data object variable name.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the compiled template function.\n\t     * @example\n\t     *\n\t     * // Use the \"interpolate\" delimiter to create a compiled template.\n\t     * var compiled = _.template('hello <%= user %>!');\n\t     * compiled({ 'user': 'fred' });\n\t     * // => 'hello fred!'\n\t     *\n\t     * // Use the HTML \"escape\" delimiter to escape data property values.\n\t     * var compiled = _.template('<b><%- value %></b>');\n\t     * compiled({ 'value': '<script>' });\n\t     * // => '<b>&lt;script&gt;</b>'\n\t     *\n\t     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n\t     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n\t     * compiled({ 'users': ['fred', 'barney'] });\n\t     * // => '<li>fred</li><li>barney</li>'\n\t     *\n\t     * // Use the internal `print` function in \"evaluate\" delimiters.\n\t     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n\t     * compiled({ 'user': 'barney' });\n\t     * // => 'hello barney!'\n\t     *\n\t     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n\t     * // Disable support by replacing the \"interpolate\" delimiter.\n\t     * var compiled = _.template('hello ${ user }!');\n\t     * compiled({ 'user': 'pebbles' });\n\t     * // => 'hello pebbles!'\n\t     *\n\t     * // Use backslashes to treat delimiters as plain text.\n\t     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n\t     * compiled({ 'value': 'ignored' });\n\t     * // => '<%- value %>'\n\t     *\n\t     * // Use the `imports` option to import `jQuery` as `jq`.\n\t     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n\t     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n\t     * compiled({ 'users': ['fred', 'barney'] });\n\t     * // => '<li>fred</li><li>barney</li>'\n\t     *\n\t     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n\t     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n\t     * compiled(data);\n\t     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n\t     *\n\t     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n\t     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n\t     * compiled.source;\n\t     * // => function(data) {\n\t     * //   var __t, __p = '';\n\t     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n\t     * //   return __p;\n\t     * // }\n\t     *\n\t     * // Use custom template delimiters.\n\t     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n\t     * var compiled = _.template('hello {{ user }}!');\n\t     * compiled({ 'user': 'mustache' });\n\t     * // => 'hello mustache!'\n\t     *\n\t     * // Use the `source` property to inline compiled templates for meaningful\n\t     * // line numbers in error messages and stack traces.\n\t     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n\t     *   var JST = {\\\n\t     *     \"main\": ' + _.template(mainText).source + '\\\n\t     *   };\\\n\t     * ');\n\t     */\n\t    function template(string, options, guard) {\n\t      // Based on John Resig's `tmpl` implementation\n\t      // (http://ejohn.org/blog/javascript-micro-templating/)\n\t      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n\t      var settings = lodash.templateSettings;\n\t\n\t      if (guard && isIterateeCall(string, options, guard)) {\n\t        options = undefined;\n\t      }\n\t      string = toString(string);\n\t      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\t\n\t      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n\t          importsKeys = keys(imports),\n\t          importsValues = baseValues(imports, importsKeys);\n\t\n\t      var isEscaping,\n\t          isEvaluating,\n\t          index = 0,\n\t          interpolate = options.interpolate || reNoMatch,\n\t          source = \"__p += '\";\n\t\n\t      // Compile the regexp to match each delimiter.\n\t      var reDelimiters = RegExp(\n\t        (options.escape || reNoMatch).source + '|' +\n\t        interpolate.source + '|' +\n\t        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n\t        (options.evaluate || reNoMatch).source + '|$'\n\t      , 'g');\n\t\n\t      // Use a sourceURL for easier debugging.\n\t      var sourceURL = '//# sourceURL=' +\n\t        ('sourceURL' in options\n\t          ? options.sourceURL\n\t          : ('lodash.templateSources[' + (++templateCounter) + ']')\n\t        ) + '\\n';\n\t\n\t      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n\t        interpolateValue || (interpolateValue = esTemplateValue);\n\t\n\t        // Escape characters that can't be included in string literals.\n\t        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\t\n\t        // Replace delimiters with snippets.\n\t        if (escapeValue) {\n\t          isEscaping = true;\n\t          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n\t        }\n\t        if (evaluateValue) {\n\t          isEvaluating = true;\n\t          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n\t        }\n\t        if (interpolateValue) {\n\t          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n\t        }\n\t        index = offset + match.length;\n\t\n\t        // The JS engine embedded in Adobe products needs `match` returned in\n\t        // order to produce the correct `offset` value.\n\t        return match;\n\t      });\n\t\n\t      source += \"';\\n\";\n\t\n\t      // If `variable` is not specified wrap a with-statement around the generated\n\t      // code to add the data object to the top of the scope chain.\n\t      var variable = options.variable;\n\t      if (!variable) {\n\t        source = 'with (obj) {\\n' + source + '\\n}\\n';\n\t      }\n\t      // Cleanup code by stripping empty strings.\n\t      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n\t        .replace(reEmptyStringMiddle, '$1')\n\t        .replace(reEmptyStringTrailing, '$1;');\n\t\n\t      // Frame code as the function body.\n\t      source = 'function(' + (variable || 'obj') + ') {\\n' +\n\t        (variable\n\t          ? ''\n\t          : 'obj || (obj = {});\\n'\n\t        ) +\n\t        \"var __t, __p = ''\" +\n\t        (isEscaping\n\t           ? ', __e = _.escape'\n\t           : ''\n\t        ) +\n\t        (isEvaluating\n\t          ? ', __j = Array.prototype.join;\\n' +\n\t            \"function print() { __p += __j.call(arguments, '') }\\n\"\n\t          : ';\\n'\n\t        ) +\n\t        source +\n\t        'return __p\\n}';\n\t\n\t      var result = attempt(function() {\n\t        return Function(importsKeys, sourceURL + 'return ' + source)\n\t          .apply(undefined, importsValues);\n\t      });\n\t\n\t      // Provide the compiled function's source by its `toString` method or\n\t      // the `source` property as a convenience for inlining compiled templates.\n\t      result.source = source;\n\t      if (isError(result)) {\n\t        throw result;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as a whole, to lower case just like\n\t     * [String#toLowerCase](https://mdn.io/toLowerCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the lower cased string.\n\t     * @example\n\t     *\n\t     * _.toLower('--Foo-Bar--');\n\t     * // => '--foo-bar--'\n\t     *\n\t     * _.toLower('fooBar');\n\t     * // => 'foobar'\n\t     *\n\t     * _.toLower('__FOO_BAR__');\n\t     * // => '__foo_bar__'\n\t     */\n\t    function toLower(value) {\n\t      return toString(value).toLowerCase();\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as a whole, to upper case just like\n\t     * [String#toUpperCase](https://mdn.io/toUpperCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the upper cased string.\n\t     * @example\n\t     *\n\t     * _.toUpper('--foo-bar--');\n\t     * // => '--FOO-BAR--'\n\t     *\n\t     * _.toUpper('fooBar');\n\t     * // => 'FOOBAR'\n\t     *\n\t     * _.toUpper('__foo_bar__');\n\t     * // => '__FOO_BAR__'\n\t     */\n\t    function toUpper(value) {\n\t      return toString(value).toUpperCase();\n\t    }\n\t\n\t    /**\n\t     * Removes leading and trailing whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trim('  abc  ');\n\t     * // => 'abc'\n\t     *\n\t     * _.trim('-_-abc-_-', '_-');\n\t     * // => 'abc'\n\t     *\n\t     * _.map(['  foo  ', '  bar  '], _.trim);\n\t     * // => ['foo', 'bar']\n\t     */\n\t    function trim(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrim, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          chrSymbols = stringToArray(chars),\n\t          start = charsStartIndex(strSymbols, chrSymbols),\n\t          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\t\n\t      return castSlice(strSymbols, start, end).join('');\n\t    }\n\t\n\t    /**\n\t     * Removes trailing whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trimEnd('  abc  ');\n\t     * // => '  abc'\n\t     *\n\t     * _.trimEnd('-_-abc-_-', '_-');\n\t     * // => '-_-abc'\n\t     */\n\t    function trimEnd(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrimEnd, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\t\n\t      return castSlice(strSymbols, 0, end).join('');\n\t    }\n\t\n\t    /**\n\t     * Removes leading whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trimStart('  abc  ');\n\t     * // => 'abc  '\n\t     *\n\t     * _.trimStart('-_-abc-_-', '_-');\n\t     * // => 'abc-_-'\n\t     */\n\t    function trimStart(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrimStart, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          start = charsStartIndex(strSymbols, stringToArray(chars));\n\t\n\t      return castSlice(strSymbols, start).join('');\n\t    }\n\t\n\t    /**\n\t     * Truncates `string` if it's longer than the given maximum string length.\n\t     * The last characters of the truncated string are replaced with the omission\n\t     * string which defaults to \"...\".\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to truncate.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {number} [options.length=30] The maximum string length.\n\t     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n\t     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n\t     * @returns {string} Returns the truncated string.\n\t     * @example\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino');\n\t     * // => 'hi-diddly-ho there, neighbo...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'length': 24,\n\t     *   'separator': ' '\n\t     * });\n\t     * // => 'hi-diddly-ho there,...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'length': 24,\n\t     *   'separator': /,? +/\n\t     * });\n\t     * // => 'hi-diddly-ho there...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'omission': ' [...]'\n\t     * });\n\t     * // => 'hi-diddly-ho there, neig [...]'\n\t     */\n\t    function truncate(string, options) {\n\t      var length = DEFAULT_TRUNC_LENGTH,\n\t          omission = DEFAULT_TRUNC_OMISSION;\n\t\n\t      if (isObject(options)) {\n\t        var separator = 'separator' in options ? options.separator : separator;\n\t        length = 'length' in options ? toInteger(options.length) : length;\n\t        omission = 'omission' in options ? baseToString(options.omission) : omission;\n\t      }\n\t      string = toString(string);\n\t\n\t      var strLength = string.length;\n\t      if (hasUnicode(string)) {\n\t        var strSymbols = stringToArray(string);\n\t        strLength = strSymbols.length;\n\t      }\n\t      if (length >= strLength) {\n\t        return string;\n\t      }\n\t      var end = length - stringSize(omission);\n\t      if (end < 1) {\n\t        return omission;\n\t      }\n\t      var result = strSymbols\n\t        ? castSlice(strSymbols, 0, end).join('')\n\t        : string.slice(0, end);\n\t\n\t      if (separator === undefined) {\n\t        return result + omission;\n\t      }\n\t      if (strSymbols) {\n\t        end += (result.length - end);\n\t      }\n\t      if (isRegExp(separator)) {\n\t        if (string.slice(end).search(separator)) {\n\t          var match,\n\t              substring = result;\n\t\n\t          if (!separator.global) {\n\t            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n\t          }\n\t          separator.lastIndex = 0;\n\t          while ((match = separator.exec(substring))) {\n\t            var newEnd = match.index;\n\t          }\n\t          result = result.slice(0, newEnd === undefined ? end : newEnd);\n\t        }\n\t      } else if (string.indexOf(baseToString(separator), end) != end) {\n\t        var index = result.lastIndexOf(separator);\n\t        if (index > -1) {\n\t          result = result.slice(0, index);\n\t        }\n\t      }\n\t      return result + omission;\n\t    }\n\t\n\t    /**\n\t     * The inverse of `_.escape`; this method converts the HTML entities\n\t     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n\t     * their corresponding characters.\n\t     *\n\t     * **Note:** No other HTML entities are unescaped. To unescape additional\n\t     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.6.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to unescape.\n\t     * @returns {string} Returns the unescaped string.\n\t     * @example\n\t     *\n\t     * _.unescape('fred, barney, &amp; pebbles');\n\t     * // => 'fred, barney, & pebbles'\n\t     */\n\t    function unescape(string) {\n\t      string = toString(string);\n\t      return (string && reHasEscapedHtml.test(string))\n\t        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as space separated words, to upper case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the upper cased string.\n\t     * @example\n\t     *\n\t     * _.upperCase('--foo-bar');\n\t     * // => 'FOO BAR'\n\t     *\n\t     * _.upperCase('fooBar');\n\t     * // => 'FOO BAR'\n\t     *\n\t     * _.upperCase('__foo_bar__');\n\t     * // => 'FOO BAR'\n\t     */\n\t    var upperCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + word.toUpperCase();\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to upper case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.upperFirst('fred');\n\t     * // => 'Fred'\n\t     *\n\t     * _.upperFirst('FRED');\n\t     * // => 'FRED'\n\t     */\n\t    var upperFirst = createCaseFirst('toUpperCase');\n\t\n\t    /**\n\t     * Splits `string` into an array of its words.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {RegExp|string} [pattern] The pattern to match words.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the words of `string`.\n\t     * @example\n\t     *\n\t     * _.words('fred, barney, & pebbles');\n\t     * // => ['fred', 'barney', 'pebbles']\n\t     *\n\t     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n\t     * // => ['fred', 'barney', '&', 'pebbles']\n\t     */\n\t    function words(string, pattern, guard) {\n\t      string = toString(string);\n\t      pattern = guard ? undefined : pattern;\n\t\n\t      if (pattern === undefined) {\n\t        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n\t      }\n\t      return string.match(pattern) || [];\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Attempts to invoke `func`, returning either the result or the caught error\n\t     * object. Any additional arguments are provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Function} func The function to attempt.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {*} Returns the `func` result or error object.\n\t     * @example\n\t     *\n\t     * // Avoid throwing errors for invalid selectors.\n\t     * var elements = _.attempt(function(selector) {\n\t     *   return document.querySelectorAll(selector);\n\t     * }, '>_>');\n\t     *\n\t     * if (_.isError(elements)) {\n\t     *   elements = [];\n\t     * }\n\t     */\n\t    var attempt = baseRest(function(func, args) {\n\t      try {\n\t        return apply(func, undefined, args);\n\t      } catch (e) {\n\t        return isError(e) ? e : new Error(e);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Binds methods of an object to the object itself, overwriting the existing\n\t     * method.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of bound functions.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {Object} object The object to bind and assign the bound methods to.\n\t     * @param {...(string|string[])} methodNames The object method names to bind.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var view = {\n\t     *   'label': 'docs',\n\t     *   'click': function() {\n\t     *     console.log('clicked ' + this.label);\n\t     *   }\n\t     * };\n\t     *\n\t     * _.bindAll(view, ['click']);\n\t     * jQuery(element).on('click', view.click);\n\t     * // => Logs 'clicked docs' when clicked.\n\t     */\n\t    var bindAll = flatRest(function(object, methodNames) {\n\t      arrayEach(methodNames, function(key) {\n\t        key = toKey(key);\n\t        baseAssignValue(object, key, bind(object[key], object));\n\t      });\n\t      return object;\n\t    });\n\t\n\t    /**\n\t     * Creates a function that iterates over `pairs` and invokes the corresponding\n\t     * function of the first predicate to return truthy. The predicate-function\n\t     * pairs are invoked with the `this` binding and arguments of the created\n\t     * function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {Array} pairs The predicate-function pairs.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @example\n\t     *\n\t     * var func = _.cond([\n\t     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n\t     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n\t     *   [_.stubTrue,                      _.constant('no match')]\n\t     * ]);\n\t     *\n\t     * func({ 'a': 1, 'b': 2 });\n\t     * // => 'matches A'\n\t     *\n\t     * func({ 'a': 0, 'b': 1 });\n\t     * // => 'matches B'\n\t     *\n\t     * func({ 'a': '1', 'b': '2' });\n\t     * // => 'no match'\n\t     */\n\t    function cond(pairs) {\n\t      var length = pairs == null ? 0 : pairs.length,\n\t          toIteratee = getIteratee();\n\t\n\t      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n\t        if (typeof pair[1] != 'function') {\n\t          throw new TypeError(FUNC_ERROR_TEXT);\n\t        }\n\t        return [toIteratee(pair[0]), pair[1]];\n\t      });\n\t\n\t      return baseRest(function(args) {\n\t        var index = -1;\n\t        while (++index < length) {\n\t          var pair = pairs[index];\n\t          if (apply(pair[0], this, args)) {\n\t            return apply(pair[1], this, args);\n\t          }\n\t        }\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes the predicate properties of `source` with\n\t     * the corresponding property values of a given object, returning `true` if\n\t     * all predicates return truthy, else `false`.\n\t     *\n\t     * **Note:** The created function is equivalent to `_.conformsTo` with\n\t     * `source` partially applied.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 2, 'b': 1 },\n\t     *   { 'a': 1, 'b': 2 }\n\t     * ];\n\t     *\n\t     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n\t     * // => [{ 'a': 1, 'b': 2 }]\n\t     */\n\t    function conforms(source) {\n\t      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that returns `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Util\n\t     * @param {*} value The value to return from the new function.\n\t     * @returns {Function} Returns the new constant function.\n\t     * @example\n\t     *\n\t     * var objects = _.times(2, _.constant({ 'a': 1 }));\n\t     *\n\t     * console.log(objects);\n\t     * // => [{ 'a': 1 }, { 'a': 1 }]\n\t     *\n\t     * console.log(objects[0] === objects[1]);\n\t     * // => true\n\t     */\n\t    function constant(value) {\n\t      return function() {\n\t        return value;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Checks `value` to determine whether a default value should be returned in\n\t     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n\t     * or `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.14.0\n\t     * @category Util\n\t     * @param {*} value The value to check.\n\t     * @param {*} defaultValue The default value.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * _.defaultTo(1, 10);\n\t     * // => 1\n\t     *\n\t     * _.defaultTo(undefined, 10);\n\t     * // => 10\n\t     */\n\t    function defaultTo(value, defaultValue) {\n\t      return (value == null || value !== value) ? defaultValue : value;\n\t    }\n\t\n\t    /**\n\t     * Creates a function that returns the result of invoking the given functions\n\t     * with the `this` binding of the created function, where each successive\n\t     * invocation is supplied the return value of the previous.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @see _.flowRight\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var addSquare = _.flow([_.add, square]);\n\t     * addSquare(1, 2);\n\t     * // => 9\n\t     */\n\t    var flow = createFlow();\n\t\n\t    /**\n\t     * This method is like `_.flow` except that it creates a function that\n\t     * invokes the given functions from right to left.\n\t     *\n\t     * @static\n\t     * @since 3.0.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @see _.flow\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var addSquare = _.flowRight([square, _.add]);\n\t     * addSquare(1, 2);\n\t     * // => 9\n\t     */\n\t    var flowRight = createFlow(true);\n\t\n\t    /**\n\t     * This method returns the first argument it receives.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {*} value Any value.\n\t     * @returns {*} Returns `value`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     *\n\t     * console.log(_.identity(object) === object);\n\t     * // => true\n\t     */\n\t    function identity(value) {\n\t      return value;\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the arguments of the created\n\t     * function. If `func` is a property name, the created function returns the\n\t     * property value for a given element. If `func` is an array or object, the\n\t     * created function returns `true` for elements that contain the equivalent\n\t     * source properties, otherwise it returns `false`.\n\t     *\n\t     * @static\n\t     * @since 4.0.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {*} [func=_.identity] The value to convert to a callback.\n\t     * @returns {Function} Returns the callback.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': true },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n\t     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.filter(users, _.iteratee(['user', 'fred']));\n\t     * // => [{ 'user': 'fred', 'age': 40 }]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.map(users, _.iteratee('user'));\n\t     * // => ['barney', 'fred']\n\t     *\n\t     * // Create custom iteratee shorthands.\n\t     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n\t     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n\t     *     return func.test(string);\n\t     *   };\n\t     * });\n\t     *\n\t     * _.filter(['abc', 'def'], /ef/);\n\t     * // => ['def']\n\t     */\n\t    function iteratee(func) {\n\t      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a partial deep comparison between a given\n\t     * object and `source`, returning `true` if the given object has equivalent\n\t     * property values, else `false`.\n\t     *\n\t     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n\t     * partially applied.\n\t     *\n\t     * Partial comparisons will match empty array and empty object `source`\n\t     * values against any array or object value, respectively. See `_.isEqual`\n\t     * for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 1, 'b': 2, 'c': 3 },\n\t     *   { 'a': 4, 'b': 5, 'c': 6 }\n\t     * ];\n\t     *\n\t     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n\t     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n\t     */\n\t    function matches(source) {\n\t      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a partial deep comparison between the\n\t     * value at `path` of a given object to `srcValue`, returning `true` if the\n\t     * object value is equivalent, else `false`.\n\t     *\n\t     * **Note:** Partial comparisons will match empty array and empty object\n\t     * `srcValue` values against any array or object value, respectively. See\n\t     * `_.isEqual` for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 1, 'b': 2, 'c': 3 },\n\t     *   { 'a': 4, 'b': 5, 'c': 6 }\n\t     * ];\n\t     *\n\t     * _.find(objects, _.matchesProperty('a', 4));\n\t     * // => { 'a': 4, 'b': 5, 'c': 6 }\n\t     */\n\t    function matchesProperty(path, srcValue) {\n\t      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes the method at `path` of a given object.\n\t     * Any additional arguments are provided to the invoked method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {Function} Returns the new invoker function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': { 'b': _.constant(2) } },\n\t     *   { 'a': { 'b': _.constant(1) } }\n\t     * ];\n\t     *\n\t     * _.map(objects, _.method('a.b'));\n\t     * // => [2, 1]\n\t     *\n\t     * _.map(objects, _.method(['a', 'b']));\n\t     * // => [2, 1]\n\t     */\n\t    var method = baseRest(function(path, args) {\n\t      return function(object) {\n\t        return baseInvoke(object, path, args);\n\t      };\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.method`; this method creates a function that invokes\n\t     * the method at a given path of `object`. Any additional arguments are\n\t     * provided to the invoked method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Util\n\t     * @param {Object} object The object to query.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {Function} Returns the new invoker function.\n\t     * @example\n\t     *\n\t     * var array = _.times(3, _.constant),\n\t     *     object = { 'a': array, 'b': array, 'c': array };\n\t     *\n\t     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n\t     * // => [2, 0]\n\t     *\n\t     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n\t     * // => [2, 0]\n\t     */\n\t    var methodOf = baseRest(function(object, args) {\n\t      return function(path) {\n\t        return baseInvoke(object, path, args);\n\t      };\n\t    });\n\t\n\t    /**\n\t     * Adds all own enumerable string keyed function properties of a source\n\t     * object to the destination object. If `object` is a function, then methods\n\t     * are added to its prototype as well.\n\t     *\n\t     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n\t     * avoid conflicts caused by modifying the original.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {Function|Object} [object=lodash] The destination object.\n\t     * @param {Object} source The object of functions to add.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n\t     * @returns {Function|Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * function vowels(string) {\n\t     *   return _.filter(string, function(v) {\n\t     *     return /[aeiou]/i.test(v);\n\t     *   });\n\t     * }\n\t     *\n\t     * _.mixin({ 'vowels': vowels });\n\t     * _.vowels('fred');\n\t     * // => ['e']\n\t     *\n\t     * _('fred').vowels().value();\n\t     * // => ['e']\n\t     *\n\t     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n\t     * _('fred').vowels();\n\t     * // => ['e']\n\t     */\n\t    function mixin(object, source, options) {\n\t      var props = keys(source),\n\t          methodNames = baseFunctions(source, props);\n\t\n\t      if (options == null &&\n\t          !(isObject(source) && (methodNames.length || !props.length))) {\n\t        options = source;\n\t        source = object;\n\t        object = this;\n\t        methodNames = baseFunctions(source, keys(source));\n\t      }\n\t      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n\t          isFunc = isFunction(object);\n\t\n\t      arrayEach(methodNames, function(methodName) {\n\t        var func = source[methodName];\n\t        object[methodName] = func;\n\t        if (isFunc) {\n\t          object.prototype[methodName] = function() {\n\t            var chainAll = this.__chain__;\n\t            if (chain || chainAll) {\n\t              var result = object(this.__wrapped__),\n\t                  actions = result.__actions__ = copyArray(this.__actions__);\n\t\n\t              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n\t              result.__chain__ = chainAll;\n\t              return result;\n\t            }\n\t            return func.apply(object, arrayPush([this.value()], arguments));\n\t          };\n\t        }\n\t      });\n\t\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Reverts the `_` variable to its previous value and returns a reference to\n\t     * the `lodash` function.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @returns {Function} Returns the `lodash` function.\n\t     * @example\n\t     *\n\t     * var lodash = _.noConflict();\n\t     */\n\t    function noConflict() {\n\t      if (root._ === this) {\n\t        root._ = oldDash;\n\t      }\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * This method returns `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.3.0\n\t     * @category Util\n\t     * @example\n\t     *\n\t     * _.times(2, _.noop);\n\t     * // => [undefined, undefined]\n\t     */\n\t    function noop() {\n\t      // No operation performed.\n\t    }\n\t\n\t    /**\n\t     * Creates a function that gets the argument at index `n`. If `n` is negative,\n\t     * the nth argument from the end is returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {number} [n=0] The index of the argument to return.\n\t     * @returns {Function} Returns the new pass-thru function.\n\t     * @example\n\t     *\n\t     * var func = _.nthArg(1);\n\t     * func('a', 'b', 'c', 'd');\n\t     * // => 'b'\n\t     *\n\t     * var func = _.nthArg(-2);\n\t     * func('a', 'b', 'c', 'd');\n\t     * // => 'c'\n\t     */\n\t    function nthArg(n) {\n\t      n = toInteger(n);\n\t      return baseRest(function(args) {\n\t        return baseNth(args, n);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `iteratees` with the arguments it receives\n\t     * and returns their results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n\t     *  The iteratees to invoke.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.over([Math.max, Math.min]);\n\t     *\n\t     * func(1, 2, 3, 4);\n\t     * // => [4, 1]\n\t     */\n\t    var over = createOver(arrayMap);\n\t\n\t    /**\n\t     * Creates a function that checks if **all** of the `predicates` return\n\t     * truthy when invoked with the arguments it receives.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [predicates=[_.identity]]\n\t     *  The predicates to check.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.overEvery([Boolean, isFinite]);\n\t     *\n\t     * func('1');\n\t     * // => true\n\t     *\n\t     * func(null);\n\t     * // => false\n\t     *\n\t     * func(NaN);\n\t     * // => false\n\t     */\n\t    var overEvery = createOver(arrayEvery);\n\t\n\t    /**\n\t     * Creates a function that checks if **any** of the `predicates` return\n\t     * truthy when invoked with the arguments it receives.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [predicates=[_.identity]]\n\t     *  The predicates to check.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.overSome([Boolean, isFinite]);\n\t     *\n\t     * func('1');\n\t     * // => true\n\t     *\n\t     * func(null);\n\t     * // => true\n\t     *\n\t     * func(NaN);\n\t     * // => false\n\t     */\n\t    var overSome = createOver(arraySome);\n\t\n\t    /**\n\t     * Creates a function that returns the value at `path` of a given object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {Function} Returns the new accessor function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': { 'b': 2 } },\n\t     *   { 'a': { 'b': 1 } }\n\t     * ];\n\t     *\n\t     * _.map(objects, _.property('a.b'));\n\t     * // => [2, 1]\n\t     *\n\t     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n\t     * // => [1, 2]\n\t     */\n\t    function property(path) {\n\t      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.property`; this method creates a function that returns\n\t     * the value at a given path of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Object} object The object to query.\n\t     * @returns {Function} Returns the new accessor function.\n\t     * @example\n\t     *\n\t     * var array = [0, 1, 2],\n\t     *     object = { 'a': array, 'b': array, 'c': array };\n\t     *\n\t     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n\t     * // => [2, 0]\n\t     *\n\t     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n\t     * // => [2, 0]\n\t     */\n\t    function propertyOf(object) {\n\t      return function(path) {\n\t        return object == null ? undefined : baseGet(object, path);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates an array of numbers (positive and/or negative) progressing from\n\t     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n\t     * `start` is specified without an `end` or `step`. If `end` is not specified,\n\t     * it's set to `start` with `start` then set to `0`.\n\t     *\n\t     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t     * floating-point values which can produce unexpected results.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} [step=1] The value to increment or decrement by.\n\t     * @returns {Array} Returns the range of numbers.\n\t     * @see _.inRange, _.rangeRight\n\t     * @example\n\t     *\n\t     * _.range(4);\n\t     * // => [0, 1, 2, 3]\n\t     *\n\t     * _.range(-4);\n\t     * // => [0, -1, -2, -3]\n\t     *\n\t     * _.range(1, 5);\n\t     * // => [1, 2, 3, 4]\n\t     *\n\t     * _.range(0, 20, 5);\n\t     * // => [0, 5, 10, 15]\n\t     *\n\t     * _.range(0, -4, -1);\n\t     * // => [0, -1, -2, -3]\n\t     *\n\t     * _.range(1, 4, 0);\n\t     * // => [1, 1, 1]\n\t     *\n\t     * _.range(0);\n\t     * // => []\n\t     */\n\t    var range = createRange();\n\t\n\t    /**\n\t     * This method is like `_.range` except that it populates values in\n\t     * descending order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} [step=1] The value to increment or decrement by.\n\t     * @returns {Array} Returns the range of numbers.\n\t     * @see _.inRange, _.range\n\t     * @example\n\t     *\n\t     * _.rangeRight(4);\n\t     * // => [3, 2, 1, 0]\n\t     *\n\t     * _.rangeRight(-4);\n\t     * // => [-3, -2, -1, 0]\n\t     *\n\t     * _.rangeRight(1, 5);\n\t     * // => [4, 3, 2, 1]\n\t     *\n\t     * _.rangeRight(0, 20, 5);\n\t     * // => [15, 10, 5, 0]\n\t     *\n\t     * _.rangeRight(0, -4, -1);\n\t     * // => [-3, -2, -1, 0]\n\t     *\n\t     * _.rangeRight(1, 4, 0);\n\t     * // => [1, 1, 1]\n\t     *\n\t     * _.rangeRight(0);\n\t     * // => []\n\t     */\n\t    var rangeRight = createRange(true);\n\t\n\t    /**\n\t     * This method returns a new empty array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {Array} Returns the new empty array.\n\t     * @example\n\t     *\n\t     * var arrays = _.times(2, _.stubArray);\n\t     *\n\t     * console.log(arrays);\n\t     * // => [[], []]\n\t     *\n\t     * console.log(arrays[0] === arrays[1]);\n\t     * // => false\n\t     */\n\t    function stubArray() {\n\t      return [];\n\t    }\n\t\n\t    /**\n\t     * This method returns `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {boolean} Returns `false`.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubFalse);\n\t     * // => [false, false]\n\t     */\n\t    function stubFalse() {\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * This method returns a new empty object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {Object} Returns the new empty object.\n\t     * @example\n\t     *\n\t     * var objects = _.times(2, _.stubObject);\n\t     *\n\t     * console.log(objects);\n\t     * // => [{}, {}]\n\t     *\n\t     * console.log(objects[0] === objects[1]);\n\t     * // => false\n\t     */\n\t    function stubObject() {\n\t      return {};\n\t    }\n\t\n\t    /**\n\t     * This method returns an empty string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {string} Returns the empty string.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubString);\n\t     * // => ['', '']\n\t     */\n\t    function stubString() {\n\t      return '';\n\t    }\n\t\n\t    /**\n\t     * This method returns `true`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {boolean} Returns `true`.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubTrue);\n\t     * // => [true, true]\n\t     */\n\t    function stubTrue() {\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Invokes the iteratee `n` times, returning an array of the results of\n\t     * each invocation. The iteratee is invoked with one argument; (index).\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {number} n The number of times to invoke `iteratee`.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the array of results.\n\t     * @example\n\t     *\n\t     * _.times(3, String);\n\t     * // => ['0', '1', '2']\n\t     *\n\t     *  _.times(4, _.constant(0));\n\t     * // => [0, 0, 0, 0]\n\t     */\n\t    function times(n, iteratee) {\n\t      n = toInteger(n);\n\t      if (n < 1 || n > MAX_SAFE_INTEGER) {\n\t        return [];\n\t      }\n\t      var index = MAX_ARRAY_LENGTH,\n\t          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\t\n\t      iteratee = getIteratee(iteratee);\n\t      n -= MAX_ARRAY_LENGTH;\n\t\n\t      var result = baseTimes(length, iteratee);\n\t      while (++index < n) {\n\t        iteratee(index);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a property path array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {*} value The value to convert.\n\t     * @returns {Array} Returns the new property path array.\n\t     * @example\n\t     *\n\t     * _.toPath('a.b.c');\n\t     * // => ['a', 'b', 'c']\n\t     *\n\t     * _.toPath('a[0].b.c');\n\t     * // => ['a', '0', 'b', 'c']\n\t     */\n\t    function toPath(value) {\n\t      if (isArray(value)) {\n\t        return arrayMap(value, toKey);\n\t      }\n\t      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n\t    }\n\t\n\t    /**\n\t     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {string} [prefix=''] The value to prefix the ID with.\n\t     * @returns {string} Returns the unique ID.\n\t     * @example\n\t     *\n\t     * _.uniqueId('contact_');\n\t     * // => 'contact_104'\n\t     *\n\t     * _.uniqueId();\n\t     * // => '105'\n\t     */\n\t    function uniqueId(prefix) {\n\t      var id = ++idCounter;\n\t      return toString(prefix) + id;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Adds two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.4.0\n\t     * @category Math\n\t     * @param {number} augend The first number in an addition.\n\t     * @param {number} addend The second number in an addition.\n\t     * @returns {number} Returns the total.\n\t     * @example\n\t     *\n\t     * _.add(6, 4);\n\t     * // => 10\n\t     */\n\t    var add = createMathOperation(function(augend, addend) {\n\t      return augend + addend;\n\t    }, 0);\n\t\n\t    /**\n\t     * Computes `number` rounded up to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round up.\n\t     * @param {number} [precision=0] The precision to round up to.\n\t     * @returns {number} Returns the rounded up number.\n\t     * @example\n\t     *\n\t     * _.ceil(4.006);\n\t     * // => 5\n\t     *\n\t     * _.ceil(6.004, 2);\n\t     * // => 6.01\n\t     *\n\t     * _.ceil(6040, -2);\n\t     * // => 6100\n\t     */\n\t    var ceil = createRound('ceil');\n\t\n\t    /**\n\t     * Divide two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {number} dividend The first number in a division.\n\t     * @param {number} divisor The second number in a division.\n\t     * @returns {number} Returns the quotient.\n\t     * @example\n\t     *\n\t     * _.divide(6, 4);\n\t     * // => 1.5\n\t     */\n\t    var divide = createMathOperation(function(dividend, divisor) {\n\t      return dividend / divisor;\n\t    }, 1);\n\t\n\t    /**\n\t     * Computes `number` rounded down to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round down.\n\t     * @param {number} [precision=0] The precision to round down to.\n\t     * @returns {number} Returns the rounded down number.\n\t     * @example\n\t     *\n\t     * _.floor(4.006);\n\t     * // => 4\n\t     *\n\t     * _.floor(0.046, 2);\n\t     * // => 0.04\n\t     *\n\t     * _.floor(4060, -2);\n\t     * // => 4000\n\t     */\n\t    var floor = createRound('floor');\n\t\n\t    /**\n\t     * Computes the maximum value of `array`. If `array` is empty or falsey,\n\t     * `undefined` is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {*} Returns the maximum value.\n\t     * @example\n\t     *\n\t     * _.max([4, 2, 8, 6]);\n\t     * // => 8\n\t     *\n\t     * _.max([]);\n\t     * // => undefined\n\t     */\n\t    function max(array) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, identity, baseGt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.max` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * the value is ranked. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {*} Returns the maximum value.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n\t     *\n\t     * _.maxBy(objects, function(o) { return o.n; });\n\t     * // => { 'n': 2 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.maxBy(objects, 'n');\n\t     * // => { 'n': 2 }\n\t     */\n\t    function maxBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * Computes the mean of the values in `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {number} Returns the mean.\n\t     * @example\n\t     *\n\t     * _.mean([4, 2, 8, 6]);\n\t     * // => 5\n\t     */\n\t    function mean(array) {\n\t      return baseMean(array, identity);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.mean` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the value to be averaged.\n\t     * The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the mean.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n\t     *\n\t     * _.meanBy(objects, function(o) { return o.n; });\n\t     * // => 5\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.meanBy(objects, 'n');\n\t     * // => 5\n\t     */\n\t    function meanBy(array, iteratee) {\n\t      return baseMean(array, getIteratee(iteratee, 2));\n\t    }\n\t\n\t    /**\n\t     * Computes the minimum value of `array`. If `array` is empty or falsey,\n\t     * `undefined` is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {*} Returns the minimum value.\n\t     * @example\n\t     *\n\t     * _.min([4, 2, 8, 6]);\n\t     * // => 2\n\t     *\n\t     * _.min([]);\n\t     * // => undefined\n\t     */\n\t    function min(array) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, identity, baseLt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.min` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * the value is ranked. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {*} Returns the minimum value.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n\t     *\n\t     * _.minBy(objects, function(o) { return o.n; });\n\t     * // => { 'n': 1 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.minBy(objects, 'n');\n\t     * // => { 'n': 1 }\n\t     */\n\t    function minBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * Multiply two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {number} multiplier The first number in a multiplication.\n\t     * @param {number} multiplicand The second number in a multiplication.\n\t     * @returns {number} Returns the product.\n\t     * @example\n\t     *\n\t     * _.multiply(6, 4);\n\t     * // => 24\n\t     */\n\t    var multiply = createMathOperation(function(multiplier, multiplicand) {\n\t      return multiplier * multiplicand;\n\t    }, 1);\n\t\n\t    /**\n\t     * Computes `number` rounded to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round.\n\t     * @param {number} [precision=0] The precision to round to.\n\t     * @returns {number} Returns the rounded number.\n\t     * @example\n\t     *\n\t     * _.round(4.006);\n\t     * // => 4\n\t     *\n\t     * _.round(4.006, 2);\n\t     * // => 4.01\n\t     *\n\t     * _.round(4060, -2);\n\t     * // => 4100\n\t     */\n\t    var round = createRound('round');\n\t\n\t    /**\n\t     * Subtract two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {number} minuend The first number in a subtraction.\n\t     * @param {number} subtrahend The second number in a subtraction.\n\t     * @returns {number} Returns the difference.\n\t     * @example\n\t     *\n\t     * _.subtract(6, 4);\n\t     * // => 2\n\t     */\n\t    var subtract = createMathOperation(function(minuend, subtrahend) {\n\t      return minuend - subtrahend;\n\t    }, 0);\n\t\n\t    /**\n\t     * Computes the sum of the values in `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.4.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {number} Returns the sum.\n\t     * @example\n\t     *\n\t     * _.sum([4, 2, 8, 6]);\n\t     * // => 20\n\t     */\n\t    function sum(array) {\n\t      return (array && array.length)\n\t        ? baseSum(array, identity)\n\t        : 0;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sum` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the value to be summed.\n\t     * The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the sum.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n\t     *\n\t     * _.sumBy(objects, function(o) { return o.n; });\n\t     * // => 20\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sumBy(objects, 'n');\n\t     * // => 20\n\t     */\n\t    function sumBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseSum(array, getIteratee(iteratee, 2))\n\t        : 0;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    // Add methods that return wrapped values in chain sequences.\n\t    lodash.after = after;\n\t    lodash.ary = ary;\n\t    lodash.assign = assign;\n\t    lodash.assignIn = assignIn;\n\t    lodash.assignInWith = assignInWith;\n\t    lodash.assignWith = assignWith;\n\t    lodash.at = at;\n\t    lodash.before = before;\n\t    lodash.bind = bind;\n\t    lodash.bindAll = bindAll;\n\t    lodash.bindKey = bindKey;\n\t    lodash.castArray = castArray;\n\t    lodash.chain = chain;\n\t    lodash.chunk = chunk;\n\t    lodash.compact = compact;\n\t    lodash.concat = concat;\n\t    lodash.cond = cond;\n\t    lodash.conforms = conforms;\n\t    lodash.constant = constant;\n\t    lodash.countBy = countBy;\n\t    lodash.create = create;\n\t    lodash.curry = curry;\n\t    lodash.curryRight = curryRight;\n\t    lodash.debounce = debounce;\n\t    lodash.defaults = defaults;\n\t    lodash.defaultsDeep = defaultsDeep;\n\t    lodash.defer = defer;\n\t    lodash.delay = delay;\n\t    lodash.difference = difference;\n\t    lodash.differenceBy = differenceBy;\n\t    lodash.differenceWith = differenceWith;\n\t    lodash.drop = drop;\n\t    lodash.dropRight = dropRight;\n\t    lodash.dropRightWhile = dropRightWhile;\n\t    lodash.dropWhile = dropWhile;\n\t    lodash.fill = fill;\n\t    lodash.filter = filter;\n\t    lodash.flatMap = flatMap;\n\t    lodash.flatMapDeep = flatMapDeep;\n\t    lodash.flatMapDepth = flatMapDepth;\n\t    lodash.flatten = flatten;\n\t    lodash.flattenDeep = flattenDeep;\n\t    lodash.flattenDepth = flattenDepth;\n\t    lodash.flip = flip;\n\t    lodash.flow = flow;\n\t    lodash.flowRight = flowRight;\n\t    lodash.fromPairs = fromPairs;\n\t    lodash.functions = functions;\n\t    lodash.functionsIn = functionsIn;\n\t    lodash.groupBy = groupBy;\n\t    lodash.initial = initial;\n\t    lodash.intersection = intersection;\n\t    lodash.intersectionBy = intersectionBy;\n\t    lodash.intersectionWith = intersectionWith;\n\t    lodash.invert = invert;\n\t    lodash.invertBy = invertBy;\n\t    lodash.invokeMap = invokeMap;\n\t    lodash.iteratee = iteratee;\n\t    lodash.keyBy = keyBy;\n\t    lodash.keys = keys;\n\t    lodash.keysIn = keysIn;\n\t    lodash.map = map;\n\t    lodash.mapKeys = mapKeys;\n\t    lodash.mapValues = mapValues;\n\t    lodash.matches = matches;\n\t    lodash.matchesProperty = matchesProperty;\n\t    lodash.memoize = memoize;\n\t    lodash.merge = merge;\n\t    lodash.mergeWith = mergeWith;\n\t    lodash.method = method;\n\t    lodash.methodOf = methodOf;\n\t    lodash.mixin = mixin;\n\t    lodash.negate = negate;\n\t    lodash.nthArg = nthArg;\n\t    lodash.omit = omit;\n\t    lodash.omitBy = omitBy;\n\t    lodash.once = once;\n\t    lodash.orderBy = orderBy;\n\t    lodash.over = over;\n\t    lodash.overArgs = overArgs;\n\t    lodash.overEvery = overEvery;\n\t    lodash.overSome = overSome;\n\t    lodash.partial = partial;\n\t    lodash.partialRight = partialRight;\n\t    lodash.partition = partition;\n\t    lodash.pick = pick;\n\t    lodash.pickBy = pickBy;\n\t    lodash.property = property;\n\t    lodash.propertyOf = propertyOf;\n\t    lodash.pull = pull;\n\t    lodash.pullAll = pullAll;\n\t    lodash.pullAllBy = pullAllBy;\n\t    lodash.pullAllWith = pullAllWith;\n\t    lodash.pullAt = pullAt;\n\t    lodash.range = range;\n\t    lodash.rangeRight = rangeRight;\n\t    lodash.rearg = rearg;\n\t    lodash.reject = reject;\n\t    lodash.remove = remove;\n\t    lodash.rest = rest;\n\t    lodash.reverse = reverse;\n\t    lodash.sampleSize = sampleSize;\n\t    lodash.set = set;\n\t    lodash.setWith = setWith;\n\t    lodash.shuffle = shuffle;\n\t    lodash.slice = slice;\n\t    lodash.sortBy = sortBy;\n\t    lodash.sortedUniq = sortedUniq;\n\t    lodash.sortedUniqBy = sortedUniqBy;\n\t    lodash.split = split;\n\t    lodash.spread = spread;\n\t    lodash.tail = tail;\n\t    lodash.take = take;\n\t    lodash.takeRight = takeRight;\n\t    lodash.takeRightWhile = takeRightWhile;\n\t    lodash.takeWhile = takeWhile;\n\t    lodash.tap = tap;\n\t    lodash.throttle = throttle;\n\t    lodash.thru = thru;\n\t    lodash.toArray = toArray;\n\t    lodash.toPairs = toPairs;\n\t    lodash.toPairsIn = toPairsIn;\n\t    lodash.toPath = toPath;\n\t    lodash.toPlainObject = toPlainObject;\n\t    lodash.transform = transform;\n\t    lodash.unary = unary;\n\t    lodash.union = union;\n\t    lodash.unionBy = unionBy;\n\t    lodash.unionWith = unionWith;\n\t    lodash.uniq = uniq;\n\t    lodash.uniqBy = uniqBy;\n\t    lodash.uniqWith = uniqWith;\n\t    lodash.unset = unset;\n\t    lodash.unzip = unzip;\n\t    lodash.unzipWith = unzipWith;\n\t    lodash.update = update;\n\t    lodash.updateWith = updateWith;\n\t    lodash.values = values;\n\t    lodash.valuesIn = valuesIn;\n\t    lodash.without = without;\n\t    lodash.words = words;\n\t    lodash.wrap = wrap;\n\t    lodash.xor = xor;\n\t    lodash.xorBy = xorBy;\n\t    lodash.xorWith = xorWith;\n\t    lodash.zip = zip;\n\t    lodash.zipObject = zipObject;\n\t    lodash.zipObjectDeep = zipObjectDeep;\n\t    lodash.zipWith = zipWith;\n\t\n\t    // Add aliases.\n\t    lodash.entries = toPairs;\n\t    lodash.entriesIn = toPairsIn;\n\t    lodash.extend = assignIn;\n\t    lodash.extendWith = assignInWith;\n\t\n\t    // Add methods to `lodash.prototype`.\n\t    mixin(lodash, lodash);\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    // Add methods that return unwrapped values in chain sequences.\n\t    lodash.add = add;\n\t    lodash.attempt = attempt;\n\t    lodash.camelCase = camelCase;\n\t    lodash.capitalize = capitalize;\n\t    lodash.ceil = ceil;\n\t    lodash.clamp = clamp;\n\t    lodash.clone = clone;\n\t    lodash.cloneDeep = cloneDeep;\n\t    lodash.cloneDeepWith = cloneDeepWith;\n\t    lodash.cloneWith = cloneWith;\n\t    lodash.conformsTo = conformsTo;\n\t    lodash.deburr = deburr;\n\t    lodash.defaultTo = defaultTo;\n\t    lodash.divide = divide;\n\t    lodash.endsWith = endsWith;\n\t    lodash.eq = eq;\n\t    lodash.escape = escape;\n\t    lodash.escapeRegExp = escapeRegExp;\n\t    lodash.every = every;\n\t    lodash.find = find;\n\t    lodash.findIndex = findIndex;\n\t    lodash.findKey = findKey;\n\t    lodash.findLast = findLast;\n\t    lodash.findLastIndex = findLastIndex;\n\t    lodash.findLastKey = findLastKey;\n\t    lodash.floor = floor;\n\t    lodash.forEach = forEach;\n\t    lodash.forEachRight = forEachRight;\n\t    lodash.forIn = forIn;\n\t    lodash.forInRight = forInRight;\n\t    lodash.forOwn = forOwn;\n\t    lodash.forOwnRight = forOwnRight;\n\t    lodash.get = get;\n\t    lodash.gt = gt;\n\t    lodash.gte = gte;\n\t    lodash.has = has;\n\t    lodash.hasIn = hasIn;\n\t    lodash.head = head;\n\t    lodash.identity = identity;\n\t    lodash.includes = includes;\n\t    lodash.indexOf = indexOf;\n\t    lodash.inRange = inRange;\n\t    lodash.invoke = invoke;\n\t    lodash.isArguments = isArguments;\n\t    lodash.isArray = isArray;\n\t    lodash.isArrayBuffer = isArrayBuffer;\n\t    lodash.isArrayLike = isArrayLike;\n\t    lodash.isArrayLikeObject = isArrayLikeObject;\n\t    lodash.isBoolean = isBoolean;\n\t    lodash.isBuffer = isBuffer;\n\t    lodash.isDate = isDate;\n\t    lodash.isElement = isElement;\n\t    lodash.isEmpty = isEmpty;\n\t    lodash.isEqual = isEqual;\n\t    lodash.isEqualWith = isEqualWith;\n\t    lodash.isError = isError;\n\t    lodash.isFinite = isFinite;\n\t    lodash.isFunction = isFunction;\n\t    lodash.isInteger = isInteger;\n\t    lodash.isLength = isLength;\n\t    lodash.isMap = isMap;\n\t    lodash.isMatch = isMatch;\n\t    lodash.isMatchWith = isMatchWith;\n\t    lodash.isNaN = isNaN;\n\t    lodash.isNative = isNative;\n\t    lodash.isNil = isNil;\n\t    lodash.isNull = isNull;\n\t    lodash.isNumber = isNumber;\n\t    lodash.isObject = isObject;\n\t    lodash.isObjectLike = isObjectLike;\n\t    lodash.isPlainObject = isPlainObject;\n\t    lodash.isRegExp = isRegExp;\n\t    lodash.isSafeInteger = isSafeInteger;\n\t    lodash.isSet = isSet;\n\t    lodash.isString = isString;\n\t    lodash.isSymbol = isSymbol;\n\t    lodash.isTypedArray = isTypedArray;\n\t    lodash.isUndefined = isUndefined;\n\t    lodash.isWeakMap = isWeakMap;\n\t    lodash.isWeakSet = isWeakSet;\n\t    lodash.join = join;\n\t    lodash.kebabCase = kebabCase;\n\t    lodash.last = last;\n\t    lodash.lastIndexOf = lastIndexOf;\n\t    lodash.lowerCase = lowerCase;\n\t    lodash.lowerFirst = lowerFirst;\n\t    lodash.lt = lt;\n\t    lodash.lte = lte;\n\t    lodash.max = max;\n\t    lodash.maxBy = maxBy;\n\t    lodash.mean = mean;\n\t    lodash.meanBy = meanBy;\n\t    lodash.min = min;\n\t    lodash.minBy = minBy;\n\t    lodash.stubArray = stubArray;\n\t    lodash.stubFalse = stubFalse;\n\t    lodash.stubObject = stubObject;\n\t    lodash.stubString = stubString;\n\t    lodash.stubTrue = stubTrue;\n\t    lodash.multiply = multiply;\n\t    lodash.nth = nth;\n\t    lodash.noConflict = noConflict;\n\t    lodash.noop = noop;\n\t    lodash.now = now;\n\t    lodash.pad = pad;\n\t    lodash.padEnd = padEnd;\n\t    lodash.padStart = padStart;\n\t    lodash.parseInt = parseInt;\n\t    lodash.random = random;\n\t    lodash.reduce = reduce;\n\t    lodash.reduceRight = reduceRight;\n\t    lodash.repeat = repeat;\n\t    lodash.replace = replace;\n\t    lodash.result = result;\n\t    lodash.round = round;\n\t    lodash.runInContext = runInContext;\n\t    lodash.sample = sample;\n\t    lodash.size = size;\n\t    lodash.snakeCase = snakeCase;\n\t    lodash.some = some;\n\t    lodash.sortedIndex = sortedIndex;\n\t    lodash.sortedIndexBy = sortedIndexBy;\n\t    lodash.sortedIndexOf = sortedIndexOf;\n\t    lodash.sortedLastIndex = sortedLastIndex;\n\t    lodash.sortedLastIndexBy = sortedLastIndexBy;\n\t    lodash.sortedLastIndexOf = sortedLastIndexOf;\n\t    lodash.startCase = startCase;\n\t    lodash.startsWith = startsWith;\n\t    lodash.subtract = subtract;\n\t    lodash.sum = sum;\n\t    lodash.sumBy = sumBy;\n\t    lodash.template = template;\n\t    lodash.times = times;\n\t    lodash.toFinite = toFinite;\n\t    lodash.toInteger = toInteger;\n\t    lodash.toLength = toLength;\n\t    lodash.toLower = toLower;\n\t    lodash.toNumber = toNumber;\n\t    lodash.toSafeInteger = toSafeInteger;\n\t    lodash.toString = toString;\n\t    lodash.toUpper = toUpper;\n\t    lodash.trim = trim;\n\t    lodash.trimEnd = trimEnd;\n\t    lodash.trimStart = trimStart;\n\t    lodash.truncate = truncate;\n\t    lodash.unescape = unescape;\n\t    lodash.uniqueId = uniqueId;\n\t    lodash.upperCase = upperCase;\n\t    lodash.upperFirst = upperFirst;\n\t\n\t    // Add aliases.\n\t    lodash.each = forEach;\n\t    lodash.eachRight = forEachRight;\n\t    lodash.first = head;\n\t\n\t    mixin(lodash, (function() {\n\t      var source = {};\n\t      baseForOwn(lodash, function(func, methodName) {\n\t        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n\t          source[methodName] = func;\n\t        }\n\t      });\n\t      return source;\n\t    }()), { 'chain': false });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * The semantic version number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @type {string}\n\t     */\n\t    lodash.VERSION = VERSION;\n\t\n\t    // Assign default placeholders.\n\t    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n\t      lodash[methodName].placeholder = lodash;\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n\t    arrayEach(['drop', 'take'], function(methodName, index) {\n\t      LazyWrapper.prototype[methodName] = function(n) {\n\t        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\t\n\t        var result = (this.__filtered__ && !index)\n\t          ? new LazyWrapper(this)\n\t          : this.clone();\n\t\n\t        if (result.__filtered__) {\n\t          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n\t        } else {\n\t          result.__views__.push({\n\t            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n\t            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n\t          });\n\t        }\n\t        return result;\n\t      };\n\t\n\t      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n\t        return this.reverse()[methodName](n).reverse();\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods that accept an `iteratee` value.\n\t    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n\t      var type = index + 1,\n\t          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\t\n\t      LazyWrapper.prototype[methodName] = function(iteratee) {\n\t        var result = this.clone();\n\t        result.__iteratees__.push({\n\t          'iteratee': getIteratee(iteratee, 3),\n\t          'type': type\n\t        });\n\t        result.__filtered__ = result.__filtered__ || isFilter;\n\t        return result;\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n\t    arrayEach(['head', 'last'], function(methodName, index) {\n\t      var takeName = 'take' + (index ? 'Right' : '');\n\t\n\t      LazyWrapper.prototype[methodName] = function() {\n\t        return this[takeName](1).value()[0];\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n\t    arrayEach(['initial', 'tail'], function(methodName, index) {\n\t      var dropName = 'drop' + (index ? '' : 'Right');\n\t\n\t      LazyWrapper.prototype[methodName] = function() {\n\t        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n\t      };\n\t    });\n\t\n\t    LazyWrapper.prototype.compact = function() {\n\t      return this.filter(identity);\n\t    };\n\t\n\t    LazyWrapper.prototype.find = function(predicate) {\n\t      return this.filter(predicate).head();\n\t    };\n\t\n\t    LazyWrapper.prototype.findLast = function(predicate) {\n\t      return this.reverse().find(predicate);\n\t    };\n\t\n\t    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n\t      if (typeof path == 'function') {\n\t        return new LazyWrapper(this);\n\t      }\n\t      return this.map(function(value) {\n\t        return baseInvoke(value, path, args);\n\t      });\n\t    });\n\t\n\t    LazyWrapper.prototype.reject = function(predicate) {\n\t      return this.filter(negate(getIteratee(predicate)));\n\t    };\n\t\n\t    LazyWrapper.prototype.slice = function(start, end) {\n\t      start = toInteger(start);\n\t\n\t      var result = this;\n\t      if (result.__filtered__ && (start > 0 || end < 0)) {\n\t        return new LazyWrapper(result);\n\t      }\n\t      if (start < 0) {\n\t        result = result.takeRight(-start);\n\t      } else if (start) {\n\t        result = result.drop(start);\n\t      }\n\t      if (end !== undefined) {\n\t        end = toInteger(end);\n\t        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n\t      }\n\t      return result;\n\t    };\n\t\n\t    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n\t      return this.reverse().takeWhile(predicate).reverse();\n\t    };\n\t\n\t    LazyWrapper.prototype.toArray = function() {\n\t      return this.take(MAX_ARRAY_LENGTH);\n\t    };\n\t\n\t    // Add `LazyWrapper` methods to `lodash.prototype`.\n\t    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n\t      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n\t          isTaker = /^(?:head|last)$/.test(methodName),\n\t          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n\t          retUnwrapped = isTaker || /^find/.test(methodName);\n\t\n\t      if (!lodashFunc) {\n\t        return;\n\t      }\n\t      lodash.prototype[methodName] = function() {\n\t        var value = this.__wrapped__,\n\t            args = isTaker ? [1] : arguments,\n\t            isLazy = value instanceof LazyWrapper,\n\t            iteratee = args[0],\n\t            useLazy = isLazy || isArray(value);\n\t\n\t        var interceptor = function(value) {\n\t          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n\t          return (isTaker && chainAll) ? result[0] : result;\n\t        };\n\t\n\t        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n\t          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n\t          isLazy = useLazy = false;\n\t        }\n\t        var chainAll = this.__chain__,\n\t            isHybrid = !!this.__actions__.length,\n\t            isUnwrapped = retUnwrapped && !chainAll,\n\t            onlyLazy = isLazy && !isHybrid;\n\t\n\t        if (!retUnwrapped && useLazy) {\n\t          value = onlyLazy ? value : new LazyWrapper(this);\n\t          var result = func.apply(value, args);\n\t          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n\t          return new LodashWrapper(result, chainAll);\n\t        }\n\t        if (isUnwrapped && onlyLazy) {\n\t          return func.apply(this, args);\n\t        }\n\t        result = this.thru(interceptor);\n\t        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n\t      };\n\t    });\n\t\n\t    // Add `Array` methods to `lodash.prototype`.\n\t    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n\t      var func = arrayProto[methodName],\n\t          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n\t          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\t\n\t      lodash.prototype[methodName] = function() {\n\t        var args = arguments;\n\t        if (retUnwrapped && !this.__chain__) {\n\t          var value = this.value();\n\t          return func.apply(isArray(value) ? value : [], args);\n\t        }\n\t        return this[chainName](function(value) {\n\t          return func.apply(isArray(value) ? value : [], args);\n\t        });\n\t      };\n\t    });\n\t\n\t    // Map minified method names to their real names.\n\t    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n\t      var lodashFunc = lodash[methodName];\n\t      if (lodashFunc) {\n\t        var key = (lodashFunc.name + ''),\n\t            names = realNames[key] || (realNames[key] = []);\n\t\n\t        names.push({ 'name': methodName, 'func': lodashFunc });\n\t      }\n\t    });\n\t\n\t    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n\t      'name': 'wrapper',\n\t      'func': undefined\n\t    }];\n\t\n\t    // Add methods to `LazyWrapper`.\n\t    LazyWrapper.prototype.clone = lazyClone;\n\t    LazyWrapper.prototype.reverse = lazyReverse;\n\t    LazyWrapper.prototype.value = lazyValue;\n\t\n\t    // Add chain sequence methods to the `lodash` wrapper.\n\t    lodash.prototype.at = wrapperAt;\n\t    lodash.prototype.chain = wrapperChain;\n\t    lodash.prototype.commit = wrapperCommit;\n\t    lodash.prototype.next = wrapperNext;\n\t    lodash.prototype.plant = wrapperPlant;\n\t    lodash.prototype.reverse = wrapperReverse;\n\t    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\t\n\t    // Add lazy aliases.\n\t    lodash.prototype.first = lodash.prototype.head;\n\t\n\t    if (symIterator) {\n\t      lodash.prototype[symIterator] = wrapperToIterator;\n\t    }\n\t    return lodash;\n\t  });\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  // Export lodash.\n\t  var _ = runInContext();\n\t\n\t  // Some AMD build optimizers, like r.js, check for condition patterns like:\n\t  if (true) {\n\t    // Expose Lodash on the global object to prevent errors when Lodash is\n\t    // loaded by a script tag in the presence of an AMD loader.\n\t    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n\t    // Use `_.noConflict` to remove Lodash from the global object.\n\t    root._ = _;\n\t\n\t    // Define as an anonymous module so, through path mapping, it can be\n\t    // referenced as the \"underscore\" module.\n\t    !(__WEBPACK_AMD_DEFINE_RESULT__ = function() {\n\t      return _;\n\t    }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n\t  }\n\t  // Check for `exports` after `define` in case a build optimizer adds it.\n\t  else if (freeModule) {\n\t    // Export for Node.js.\n\t    (freeModule.exports = _)._ = _;\n\t    // Export for CommonJS support.\n\t    freeExports._ = _;\n\t  }\n\t  else {\n\t    // Export to the global object.\n\t    root._ = _;\n\t  }\n\t}.call(this));\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()), __webpack_require__(10)(module)))\n\n/***/ }),\n/* 122 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(130), __esModule: true };\n\n/***/ }),\n/* 123 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(131), __esModule: true };\n\n/***/ }),\n/* 124 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(132), __esModule: true };\n\n/***/ }),\n/* 125 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(133), __esModule: true };\n\n/***/ }),\n/* 126 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(134), __esModule: true };\n\n/***/ }),\n/* 127 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(135), __esModule: true };\n\n/***/ }),\n/* 128 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\tvar _setPrototypeOf = __webpack_require__(125);\n\t\n\tvar _setPrototypeOf2 = _interopRequireDefault(_setPrototypeOf);\n\t\n\tvar _create = __webpack_require__(122);\n\t\n\tvar _create2 = _interopRequireDefault(_create);\n\t\n\tvar _typeof2 = __webpack_require__(49);\n\t\n\tvar _typeof3 = _interopRequireDefault(_typeof2);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = function (subClass, superClass) {\n\t  if (typeof superClass !== \"function\" && superClass !== null) {\n\t    throw new TypeError(\"Super expression must either be null or a function, not \" + (typeof superClass === \"undefined\" ? \"undefined\" : (0, _typeof3.default)(superClass)));\n\t  }\n\t\n\t  subClass.prototype = (0, _create2.default)(superClass && superClass.prototype, {\n\t    constructor: {\n\t      value: subClass,\n\t      enumerable: false,\n\t      writable: true,\n\t      configurable: true\n\t    }\n\t  });\n\t  if (superClass) _setPrototypeOf2.default ? (0, _setPrototypeOf2.default)(subClass, superClass) : subClass.__proto__ = superClass;\n\t};\n\n/***/ }),\n/* 129 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\tvar _typeof2 = __webpack_require__(49);\n\t\n\tvar _typeof3 = _interopRequireDefault(_typeof2);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = function (self, call) {\n\t  if (!self) {\n\t    throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n\t  }\n\t\n\t  return call && ((typeof call === \"undefined\" ? \"undefined\" : (0, _typeof3.default)(call)) === \"object\" || typeof call === \"function\") ? call : self;\n\t};\n\n/***/ }),\n/* 130 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(154);\n\tvar $Object = __webpack_require__(1).Object;\n\tmodule.exports = function create(P, D) {\n\t  return $Object.create(P, D);\n\t};\n\n\n/***/ }),\n/* 131 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(155);\n\tvar $Object = __webpack_require__(1).Object;\n\tmodule.exports = function defineProperty(it, key, desc) {\n\t  return $Object.defineProperty(it, key, desc);\n\t};\n\n\n/***/ }),\n/* 132 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(156);\n\tmodule.exports = __webpack_require__(1).Object.getPrototypeOf;\n\n\n/***/ }),\n/* 133 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(157);\n\tmodule.exports = __webpack_require__(1).Object.setPrototypeOf;\n\n\n/***/ }),\n/* 134 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(160);\n\t__webpack_require__(158);\n\t__webpack_require__(161);\n\t__webpack_require__(162);\n\tmodule.exports = __webpack_require__(1).Symbol;\n\n\n/***/ }),\n/* 135 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(159);\n\t__webpack_require__(163);\n\tmodule.exports = __webpack_require__(37).f('iterator');\n\n\n/***/ }),\n/* 136 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (it) {\n\t  if (typeof it != 'function') throw TypeError(it + ' is not a function!');\n\t  return it;\n\t};\n\n\n/***/ }),\n/* 137 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function () { /* empty */ };\n\n\n/***/ }),\n/* 138 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// false -> Array#indexOf\n\t// true  -> Array#includes\n\tvar toIObject = __webpack_require__(8);\n\tvar toLength = __webpack_require__(152);\n\tvar toAbsoluteIndex = __webpack_require__(151);\n\tmodule.exports = function (IS_INCLUDES) {\n\t  return function ($this, el, fromIndex) {\n\t    var O = toIObject($this);\n\t    var length = toLength(O.length);\n\t    var index = toAbsoluteIndex(fromIndex, length);\n\t    var value;\n\t    // Array#includes uses SameValueZero equality algorithm\n\t    // eslint-disable-next-line no-self-compare\n\t    if (IS_INCLUDES && el != el) while (length > index) {\n\t      value = O[index++];\n\t      // eslint-disable-next-line no-self-compare\n\t      if (value != value) return true;\n\t    // Array#indexOf ignores holes, Array#includes - not\n\t    } else for (;length > index; index++) if (IS_INCLUDES || index in O) {\n\t      if (O[index] === el) return IS_INCLUDES || index || 0;\n\t    } return !IS_INCLUDES && -1;\n\t  };\n\t};\n\n\n/***/ }),\n/* 139 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// all enumerable object keys, includes symbols\n\tvar getKeys = __webpack_require__(29);\n\tvar gOPS = __webpack_require__(57);\n\tvar pIE = __webpack_require__(30);\n\tmodule.exports = function (it) {\n\t  var result = getKeys(it);\n\t  var getSymbols = gOPS.f;\n\t  if (getSymbols) {\n\t    var symbols = getSymbols(it);\n\t    var isEnum = pIE.f;\n\t    var i = 0;\n\t    var key;\n\t    while (symbols.length > i) if (isEnum.call(it, key = symbols[i++])) result.push(key);\n\t  } return result;\n\t};\n\n\n/***/ }),\n/* 140 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar document = __webpack_require__(2).document;\n\tmodule.exports = document && document.documentElement;\n\n\n/***/ }),\n/* 141 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// fallback for non-array-like ES3 and non-enumerable old V8 strings\n\tvar cof = __webpack_require__(50);\n\t// eslint-disable-next-line no-prototype-builtins\n\tmodule.exports = Object('z').propertyIsEnumerable(0) ? Object : function (it) {\n\t  return cof(it) == 'String' ? it.split('') : Object(it);\n\t};\n\n\n/***/ }),\n/* 142 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 7.2.2 IsArray(argument)\n\tvar cof = __webpack_require__(50);\n\tmodule.exports = Array.isArray || function isArray(arg) {\n\t  return cof(arg) == 'Array';\n\t};\n\n\n/***/ }),\n/* 143 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\tvar create = __webpack_require__(28);\n\tvar descriptor = __webpack_require__(16);\n\tvar setToStringTag = __webpack_require__(31);\n\tvar IteratorPrototype = {};\n\t\n\t// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()\n\t__webpack_require__(7)(IteratorPrototype, __webpack_require__(9)('iterator'), function () { return this; });\n\t\n\tmodule.exports = function (Constructor, NAME, next) {\n\t  Constructor.prototype = create(IteratorPrototype, { next: descriptor(1, next) });\n\t  setToStringTag(Constructor, NAME + ' Iterator');\n\t};\n\n\n/***/ }),\n/* 144 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (done, value) {\n\t  return { value: value, done: !!done };\n\t};\n\n\n/***/ }),\n/* 145 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar META = __webpack_require__(17)('meta');\n\tvar isObject = __webpack_require__(13);\n\tvar has = __webpack_require__(4);\n\tvar setDesc = __webpack_require__(5).f;\n\tvar id = 0;\n\tvar isExtensible = Object.isExtensible || function () {\n\t  return true;\n\t};\n\tvar FREEZE = !__webpack_require__(12)(function () {\n\t  return isExtensible(Object.preventExtensions({}));\n\t});\n\tvar setMeta = function (it) {\n\t  setDesc(it, META, { value: {\n\t    i: 'O' + ++id, // object ID\n\t    w: {}          // weak collections IDs\n\t  } });\n\t};\n\tvar fastKey = function (it, create) {\n\t  // return primitive with prefix\n\t  if (!isObject(it)) return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;\n\t  if (!has(it, META)) {\n\t    // can't set metadata to uncaught frozen object\n\t    if (!isExtensible(it)) return 'F';\n\t    // not necessary to add metadata\n\t    if (!create) return 'E';\n\t    // add missing metadata\n\t    setMeta(it);\n\t  // return object ID\n\t  } return it[META].i;\n\t};\n\tvar getWeak = function (it, create) {\n\t  if (!has(it, META)) {\n\t    // can't set metadata to uncaught frozen object\n\t    if (!isExtensible(it)) return true;\n\t    // not necessary to add metadata\n\t    if (!create) return false;\n\t    // add missing metadata\n\t    setMeta(it);\n\t  // return hash weak collections IDs\n\t  } return it[META].w;\n\t};\n\t// add metadata on freeze-family methods calling\n\tvar onFreeze = function (it) {\n\t  if (FREEZE && meta.NEED && isExtensible(it) && !has(it, META)) setMeta(it);\n\t  return it;\n\t};\n\tvar meta = module.exports = {\n\t  KEY: META,\n\t  NEED: false,\n\t  fastKey: fastKey,\n\t  getWeak: getWeak,\n\t  onFreeze: onFreeze\n\t};\n\n\n/***/ }),\n/* 146 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar dP = __webpack_require__(5);\n\tvar anObject = __webpack_require__(11);\n\tvar getKeys = __webpack_require__(29);\n\t\n\tmodule.exports = __webpack_require__(3) ? Object.defineProperties : function defineProperties(O, Properties) {\n\t  anObject(O);\n\t  var keys = getKeys(Properties);\n\t  var length = keys.length;\n\t  var i = 0;\n\t  var P;\n\t  while (length > i) dP.f(O, P = keys[i++], Properties[P]);\n\t  return O;\n\t};\n\n\n/***/ }),\n/* 147 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window\n\tvar toIObject = __webpack_require__(8);\n\tvar gOPN = __webpack_require__(56).f;\n\tvar toString = {}.toString;\n\t\n\tvar windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames\n\t  ? Object.getOwnPropertyNames(window) : [];\n\t\n\tvar getWindowNames = function (it) {\n\t  try {\n\t    return gOPN(it);\n\t  } catch (e) {\n\t    return windowNames.slice();\n\t  }\n\t};\n\t\n\tmodule.exports.f = function getOwnPropertyNames(it) {\n\t  return windowNames && toString.call(it) == '[object Window]' ? getWindowNames(it) : gOPN(toIObject(it));\n\t};\n\n\n/***/ }),\n/* 148 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// most Object methods by ES6 should accept primitives\n\tvar $export = __webpack_require__(6);\n\tvar core = __webpack_require__(1);\n\tvar fails = __webpack_require__(12);\n\tmodule.exports = function (KEY, exec) {\n\t  var fn = (core.Object || {})[KEY] || Object[KEY];\n\t  var exp = {};\n\t  exp[KEY] = exec(fn);\n\t  $export($export.S + $export.F * fails(function () { fn(1); }), 'Object', exp);\n\t};\n\n\n/***/ }),\n/* 149 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// Works with __proto__ only. Old v8 can't work with null proto objects.\n\t/* eslint-disable no-proto */\n\tvar isObject = __webpack_require__(13);\n\tvar anObject = __webpack_require__(11);\n\tvar check = function (O, proto) {\n\t  anObject(O);\n\t  if (!isObject(proto) && proto !== null) throw TypeError(proto + \": can't set as prototype!\");\n\t};\n\tmodule.exports = {\n\t  set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line\n\t    function (test, buggy, set) {\n\t      try {\n\t        set = __webpack_require__(51)(Function.call, __webpack_require__(55).f(Object.prototype, '__proto__').set, 2);\n\t        set(test, []);\n\t        buggy = !(test instanceof Array);\n\t      } catch (e) { buggy = true; }\n\t      return function setPrototypeOf(O, proto) {\n\t        check(O, proto);\n\t        if (buggy) O.__proto__ = proto;\n\t        else set(O, proto);\n\t        return O;\n\t      };\n\t    }({}, false) : undefined),\n\t  check: check\n\t};\n\n\n/***/ }),\n/* 150 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar toInteger = __webpack_require__(34);\n\tvar defined = __webpack_require__(24);\n\t// true  -> String#at\n\t// false -> String#codePointAt\n\tmodule.exports = function (TO_STRING) {\n\t  return function (that, pos) {\n\t    var s = String(defined(that));\n\t    var i = toInteger(pos);\n\t    var l = s.length;\n\t    var a, b;\n\t    if (i < 0 || i >= l) return TO_STRING ? '' : undefined;\n\t    a = s.charCodeAt(i);\n\t    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff\n\t      ? TO_STRING ? s.charAt(i) : a\n\t      : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;\n\t  };\n\t};\n\n\n/***/ }),\n/* 151 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar toInteger = __webpack_require__(34);\n\tvar max = Math.max;\n\tvar min = Math.min;\n\tmodule.exports = function (index, length) {\n\t  index = toInteger(index);\n\t  return index < 0 ? max(index + length, 0) : min(index, length);\n\t};\n\n\n/***/ }),\n/* 152 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 7.1.15 ToLength\n\tvar toInteger = __webpack_require__(34);\n\tvar min = Math.min;\n\tmodule.exports = function (it) {\n\t  return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991\n\t};\n\n\n/***/ }),\n/* 153 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\tvar addToUnscopables = __webpack_require__(137);\n\tvar step = __webpack_require__(144);\n\tvar Iterators = __webpack_require__(26);\n\tvar toIObject = __webpack_require__(8);\n\t\n\t// 22.1.3.4 Array.prototype.entries()\n\t// 22.1.3.13 Array.prototype.keys()\n\t// 22.1.3.29 Array.prototype.values()\n\t// 22.1.3.30 Array.prototype[@@iterator]()\n\tmodule.exports = __webpack_require__(54)(Array, 'Array', function (iterated, kind) {\n\t  this._t = toIObject(iterated); // target\n\t  this._i = 0;                   // next index\n\t  this._k = kind;                // kind\n\t// 22.1.5.2.1 %ArrayIteratorPrototype%.next()\n\t}, function () {\n\t  var O = this._t;\n\t  var kind = this._k;\n\t  var index = this._i++;\n\t  if (!O || index >= O.length) {\n\t    this._t = undefined;\n\t    return step(1);\n\t  }\n\t  if (kind == 'keys') return step(0, index);\n\t  if (kind == 'values') return step(0, O[index]);\n\t  return step(0, [index, O[index]]);\n\t}, 'values');\n\t\n\t// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)\n\tIterators.Arguments = Iterators.Array;\n\t\n\taddToUnscopables('keys');\n\taddToUnscopables('values');\n\taddToUnscopables('entries');\n\n\n/***/ }),\n/* 154 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar $export = __webpack_require__(6);\n\t// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\n\t$export($export.S, 'Object', { create: __webpack_require__(28) });\n\n\n/***/ }),\n/* 155 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar $export = __webpack_require__(6);\n\t// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n\t$export($export.S + $export.F * !__webpack_require__(3), 'Object', { defineProperty: __webpack_require__(5).f });\n\n\n/***/ }),\n/* 156 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 19.1.2.9 Object.getPrototypeOf(O)\n\tvar toObject = __webpack_require__(61);\n\tvar $getPrototypeOf = __webpack_require__(58);\n\t\n\t__webpack_require__(148)('getPrototypeOf', function () {\n\t  return function getPrototypeOf(it) {\n\t    return $getPrototypeOf(toObject(it));\n\t  };\n\t});\n\n\n/***/ }),\n/* 157 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 19.1.3.19 Object.setPrototypeOf(O, proto)\n\tvar $export = __webpack_require__(6);\n\t$export($export.S, 'Object', { setPrototypeOf: __webpack_require__(149).set });\n\n\n/***/ }),\n/* 158 */\n/***/ (function(module, exports) {\n\n\n\n/***/ }),\n/* 159 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\tvar $at = __webpack_require__(150)(true);\n\t\n\t// 21.1.3.27 String.prototype[@@iterator]()\n\t__webpack_require__(54)(String, 'String', function (iterated) {\n\t  this._t = String(iterated); // target\n\t  this._i = 0;                // next index\n\t// 21.1.5.2.1 %StringIteratorPrototype%.next()\n\t}, function () {\n\t  var O = this._t;\n\t  var index = this._i;\n\t  var point;\n\t  if (index >= O.length) return { value: undefined, done: true };\n\t  point = $at(O, index);\n\t  this._i += point.length;\n\t  return { value: point, done: false };\n\t});\n\n\n/***/ }),\n/* 160 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t'use strict';\n\t// ECMAScript 6 symbols shim\n\tvar global = __webpack_require__(2);\n\tvar has = __webpack_require__(4);\n\tvar DESCRIPTORS = __webpack_require__(3);\n\tvar $export = __webpack_require__(6);\n\tvar redefine = __webpack_require__(60);\n\tvar META = __webpack_require__(145).KEY;\n\tvar $fails = __webpack_require__(12);\n\tvar shared = __webpack_require__(33);\n\tvar setToStringTag = __webpack_require__(31);\n\tvar uid = __webpack_require__(17);\n\tvar wks = __webpack_require__(9);\n\tvar wksExt = __webpack_require__(37);\n\tvar wksDefine = __webpack_require__(36);\n\tvar enumKeys = __webpack_require__(139);\n\tvar isArray = __webpack_require__(142);\n\tvar anObject = __webpack_require__(11);\n\tvar toIObject = __webpack_require__(8);\n\tvar toPrimitive = __webpack_require__(35);\n\tvar createDesc = __webpack_require__(16);\n\tvar _create = __webpack_require__(28);\n\tvar gOPNExt = __webpack_require__(147);\n\tvar $GOPD = __webpack_require__(55);\n\tvar $DP = __webpack_require__(5);\n\tvar $keys = __webpack_require__(29);\n\tvar gOPD = $GOPD.f;\n\tvar dP = $DP.f;\n\tvar gOPN = gOPNExt.f;\n\tvar $Symbol = global.Symbol;\n\tvar $JSON = global.JSON;\n\tvar _stringify = $JSON && $JSON.stringify;\n\tvar PROTOTYPE = 'prototype';\n\tvar HIDDEN = wks('_hidden');\n\tvar TO_PRIMITIVE = wks('toPrimitive');\n\tvar isEnum = {}.propertyIsEnumerable;\n\tvar SymbolRegistry = shared('symbol-registry');\n\tvar AllSymbols = shared('symbols');\n\tvar OPSymbols = shared('op-symbols');\n\tvar ObjectProto = Object[PROTOTYPE];\n\tvar USE_NATIVE = typeof $Symbol == 'function';\n\tvar QObject = global.QObject;\n\t// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173\n\tvar setter = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;\n\t\n\t// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687\n\tvar setSymbolDesc = DESCRIPTORS && $fails(function () {\n\t  return _create(dP({}, 'a', {\n\t    get: function () { return dP(this, 'a', { value: 7 }).a; }\n\t  })).a != 7;\n\t}) ? function (it, key, D) {\n\t  var protoDesc = gOPD(ObjectProto, key);\n\t  if (protoDesc) delete ObjectProto[key];\n\t  dP(it, key, D);\n\t  if (protoDesc && it !== ObjectProto) dP(ObjectProto, key, protoDesc);\n\t} : dP;\n\t\n\tvar wrap = function (tag) {\n\t  var sym = AllSymbols[tag] = _create($Symbol[PROTOTYPE]);\n\t  sym._k = tag;\n\t  return sym;\n\t};\n\t\n\tvar isSymbol = USE_NATIVE && typeof $Symbol.iterator == 'symbol' ? function (it) {\n\t  return typeof it == 'symbol';\n\t} : function (it) {\n\t  return it instanceof $Symbol;\n\t};\n\t\n\tvar $defineProperty = function defineProperty(it, key, D) {\n\t  if (it === ObjectProto) $defineProperty(OPSymbols, key, D);\n\t  anObject(it);\n\t  key = toPrimitive(key, true);\n\t  anObject(D);\n\t  if (has(AllSymbols, key)) {\n\t    if (!D.enumerable) {\n\t      if (!has(it, HIDDEN)) dP(it, HIDDEN, createDesc(1, {}));\n\t      it[HIDDEN][key] = true;\n\t    } else {\n\t      if (has(it, HIDDEN) && it[HIDDEN][key]) it[HIDDEN][key] = false;\n\t      D = _create(D, { enumerable: createDesc(0, false) });\n\t    } return setSymbolDesc(it, key, D);\n\t  } return dP(it, key, D);\n\t};\n\tvar $defineProperties = function defineProperties(it, P) {\n\t  anObject(it);\n\t  var keys = enumKeys(P = toIObject(P));\n\t  var i = 0;\n\t  var l = keys.length;\n\t  var key;\n\t  while (l > i) $defineProperty(it, key = keys[i++], P[key]);\n\t  return it;\n\t};\n\tvar $create = function create(it, P) {\n\t  return P === undefined ? _create(it) : $defineProperties(_create(it), P);\n\t};\n\tvar $propertyIsEnumerable = function propertyIsEnumerable(key) {\n\t  var E = isEnum.call(this, key = toPrimitive(key, true));\n\t  if (this === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key)) return false;\n\t  return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key] ? E : true;\n\t};\n\tvar $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key) {\n\t  it = toIObject(it);\n\t  key = toPrimitive(key, true);\n\t  if (it === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key)) return;\n\t  var D = gOPD(it, key);\n\t  if (D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) D.enumerable = true;\n\t  return D;\n\t};\n\tvar $getOwnPropertyNames = function getOwnPropertyNames(it) {\n\t  var names = gOPN(toIObject(it));\n\t  var result = [];\n\t  var i = 0;\n\t  var key;\n\t  while (names.length > i) {\n\t    if (!has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META) result.push(key);\n\t  } return result;\n\t};\n\tvar $getOwnPropertySymbols = function getOwnPropertySymbols(it) {\n\t  var IS_OP = it === ObjectProto;\n\t  var names = gOPN(IS_OP ? OPSymbols : toIObject(it));\n\t  var result = [];\n\t  var i = 0;\n\t  var key;\n\t  while (names.length > i) {\n\t    if (has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectProto, key) : true)) result.push(AllSymbols[key]);\n\t  } return result;\n\t};\n\t\n\t// 19.4.1.1 Symbol([description])\n\tif (!USE_NATIVE) {\n\t  $Symbol = function Symbol() {\n\t    if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor!');\n\t    var tag = uid(arguments.length > 0 ? arguments[0] : undefined);\n\t    var $set = function (value) {\n\t      if (this === ObjectProto) $set.call(OPSymbols, value);\n\t      if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;\n\t      setSymbolDesc(this, tag, createDesc(1, value));\n\t    };\n\t    if (DESCRIPTORS && setter) setSymbolDesc(ObjectProto, tag, { configurable: true, set: $set });\n\t    return wrap(tag);\n\t  };\n\t  redefine($Symbol[PROTOTYPE], 'toString', function toString() {\n\t    return this._k;\n\t  });\n\t\n\t  $GOPD.f = $getOwnPropertyDescriptor;\n\t  $DP.f = $defineProperty;\n\t  __webpack_require__(56).f = gOPNExt.f = $getOwnPropertyNames;\n\t  __webpack_require__(30).f = $propertyIsEnumerable;\n\t  __webpack_require__(57).f = $getOwnPropertySymbols;\n\t\n\t  if (DESCRIPTORS && !__webpack_require__(27)) {\n\t    redefine(ObjectProto, 'propertyIsEnumerable', $propertyIsEnumerable, true);\n\t  }\n\t\n\t  wksExt.f = function (name) {\n\t    return wrap(wks(name));\n\t  };\n\t}\n\t\n\t$export($export.G + $export.W + $export.F * !USE_NATIVE, { Symbol: $Symbol });\n\t\n\tfor (var es6Symbols = (\n\t  // 19.4.2.2, 19.4.2.3, 19.4.2.4, 19.4.2.6, 19.4.2.8, 19.4.2.9, 19.4.2.10, 19.4.2.11, 19.4.2.12, 19.4.2.13, 19.4.2.14\n\t  'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'\n\t).split(','), j = 0; es6Symbols.length > j;)wks(es6Symbols[j++]);\n\t\n\tfor (var wellKnownSymbols = $keys(wks.store), k = 0; wellKnownSymbols.length > k;) wksDefine(wellKnownSymbols[k++]);\n\t\n\t$export($export.S + $export.F * !USE_NATIVE, 'Symbol', {\n\t  // 19.4.2.1 Symbol.for(key)\n\t  'for': function (key) {\n\t    return has(SymbolRegistry, key += '')\n\t      ? SymbolRegistry[key]\n\t      : SymbolRegistry[key] = $Symbol(key);\n\t  },\n\t  // 19.4.2.5 Symbol.keyFor(sym)\n\t  keyFor: function keyFor(sym) {\n\t    if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol!');\n\t    for (var key in SymbolRegistry) if (SymbolRegistry[key] === sym) return key;\n\t  },\n\t  useSetter: function () { setter = true; },\n\t  useSimple: function () { setter = false; }\n\t});\n\t\n\t$export($export.S + $export.F * !USE_NATIVE, 'Object', {\n\t  // 19.1.2.2 Object.create(O [, Properties])\n\t  create: $create,\n\t  // 19.1.2.4 Object.defineProperty(O, P, Attributes)\n\t  defineProperty: $defineProperty,\n\t  // 19.1.2.3 Object.defineProperties(O, Properties)\n\t  defineProperties: $defineProperties,\n\t  // 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)\n\t  getOwnPropertyDescriptor: $getOwnPropertyDescriptor,\n\t  // 19.1.2.7 Object.getOwnPropertyNames(O)\n\t  getOwnPropertyNames: $getOwnPropertyNames,\n\t  // 19.1.2.8 Object.getOwnPropertySymbols(O)\n\t  getOwnPropertySymbols: $getOwnPropertySymbols\n\t});\n\t\n\t// 24.3.2 JSON.stringify(value [, replacer [, space]])\n\t$JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function () {\n\t  var S = $Symbol();\n\t  // MS Edge converts symbol values to JSON as {}\n\t  // WebKit converts symbol values to JSON as null\n\t  // V8 throws on boxed symbols\n\t  return _stringify([S]) != '[null]' || _stringify({ a: S }) != '{}' || _stringify(Object(S)) != '{}';\n\t})), 'JSON', {\n\t  stringify: function stringify(it) {\n\t    if (it === undefined || isSymbol(it)) return; // IE8 returns string on undefined\n\t    var args = [it];\n\t    var i = 1;\n\t    var replacer, $replacer;\n\t    while (arguments.length > i) args.push(arguments[i++]);\n\t    replacer = args[1];\n\t    if (typeof replacer == 'function') $replacer = replacer;\n\t    if ($replacer || !isArray(replacer)) replacer = function (key, value) {\n\t      if ($replacer) value = $replacer.call(this, key, value);\n\t      if (!isSymbol(value)) return value;\n\t    };\n\t    args[1] = replacer;\n\t    return _stringify.apply($JSON, args);\n\t  }\n\t});\n\t\n\t// 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)\n\t$Symbol[PROTOTYPE][TO_PRIMITIVE] || __webpack_require__(7)($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);\n\t// 19.4.3.5 Symbol.prototype[@@toStringTag]\n\tsetToStringTag($Symbol, 'Symbol');\n\t// 20.2.1.9 Math[@@toStringTag]\n\tsetToStringTag(Math, 'Math', true);\n\t// 24.3.3 JSON[@@toStringTag]\n\tsetToStringTag(global.JSON, 'JSON', true);\n\n\n/***/ }),\n/* 161 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(36)('asyncIterator');\n\n\n/***/ }),\n/* 162 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(36)('observable');\n\n\n/***/ }),\n/* 163 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(153);\n\tvar global = __webpack_require__(2);\n\tvar hide = __webpack_require__(7);\n\tvar Iterators = __webpack_require__(26);\n\tvar TO_STRING_TAG = __webpack_require__(9)('toStringTag');\n\t\n\tvar DOMIterables = ('CSSRuleList,CSSStyleDeclaration,CSSValueList,ClientRectList,DOMRectList,DOMStringList,' +\n\t  'DOMTokenList,DataTransferItemList,FileList,HTMLAllCollection,HTMLCollection,HTMLFormElement,HTMLSelectElement,' +\n\t  'MediaList,MimeTypeArray,NamedNodeMap,NodeList,PaintRequestList,Plugin,PluginArray,SVGLengthList,SVGNumberList,' +\n\t  'SVGPathSegList,SVGPointList,SVGStringList,SVGTransformList,SourceBufferList,StyleSheetList,TextTrackCueList,' +\n\t  'TextTrackList,TouchList').split(',');\n\t\n\tfor (var i = 0; i < DOMIterables.length; i++) {\n\t  var NAME = DOMIterables[i];\n\t  var Collection = global[NAME];\n\t  var proto = Collection && Collection.prototype;\n\t  if (proto && !proto[TO_STRING_TAG]) hide(proto, TO_STRING_TAG, NAME);\n\t  Iterators[NAME] = Iterators.Array;\n\t}\n\n\n/***/ }),\n/* 164 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(167), __esModule: true };\n\n/***/ }),\n/* 165 */\n/***/ (function(module, exports) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\texports.default = function (instance, Constructor) {\n\t  if (!(instance instanceof Constructor)) {\n\t    throw new TypeError(\"Cannot call a class as a function\");\n\t  }\n\t};\n\n/***/ }),\n/* 166 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\tvar _defineProperty = __webpack_require__(164);\n\t\n\tvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = function () {\n\t  function defineProperties(target, props) {\n\t    for (var i = 0; i < props.length; i++) {\n\t      var descriptor = props[i];\n\t      descriptor.enumerable = descriptor.enumerable || false;\n\t      descriptor.configurable = true;\n\t      if (\"value\" in descriptor) descriptor.writable = true;\n\t      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n\t    }\n\t  }\n\t\n\t  return function (Constructor, protoProps, staticProps) {\n\t    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n\t    if (staticProps) defineProperties(Constructor, staticProps);\n\t    return Constructor;\n\t  };\n\t}();\n\n/***/ }),\n/* 167 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(177);\n\tvar $Object = __webpack_require__(63).Object;\n\tmodule.exports = function defineProperty(it, key, desc) {\n\t  return $Object.defineProperty(it, key, desc);\n\t};\n\n\n/***/ }),\n/* 168 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (it) {\n\t  if (typeof it != 'function') throw TypeError(it + ' is not a function!');\n\t  return it;\n\t};\n\n\n/***/ }),\n/* 169 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar isObject = __webpack_require__(38);\n\tmodule.exports = function (it) {\n\t  if (!isObject(it)) throw TypeError(it + ' is not an object!');\n\t  return it;\n\t};\n\n\n/***/ }),\n/* 170 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// optional / simple context binding\n\tvar aFunction = __webpack_require__(168);\n\tmodule.exports = function (fn, that, length) {\n\t  aFunction(fn);\n\t  if (that === undefined) return fn;\n\t  switch (length) {\n\t    case 1: return function (a) {\n\t      return fn.call(that, a);\n\t    };\n\t    case 2: return function (a, b) {\n\t      return fn.call(that, a, b);\n\t    };\n\t    case 3: return function (a, b, c) {\n\t      return fn.call(that, a, b, c);\n\t    };\n\t  }\n\t  return function (/* ...args */) {\n\t    return fn.apply(that, arguments);\n\t  };\n\t};\n\n\n/***/ }),\n/* 171 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar isObject = __webpack_require__(38);\n\tvar document = __webpack_require__(65).document;\n\t// typeof document.createElement is 'object' in old IE\n\tvar is = isObject(document) && isObject(document.createElement);\n\tmodule.exports = function (it) {\n\t  return is ? document.createElement(it) : {};\n\t};\n\n\n/***/ }),\n/* 172 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar global = __webpack_require__(65);\n\tvar core = __webpack_require__(63);\n\tvar ctx = __webpack_require__(170);\n\tvar hide = __webpack_require__(173);\n\tvar PROTOTYPE = 'prototype';\n\t\n\tvar $export = function (type, name, source) {\n\t  var IS_FORCED = type & $export.F;\n\t  var IS_GLOBAL = type & $export.G;\n\t  var IS_STATIC = type & $export.S;\n\t  var IS_PROTO = type & $export.P;\n\t  var IS_BIND = type & $export.B;\n\t  var IS_WRAP = type & $export.W;\n\t  var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});\n\t  var expProto = exports[PROTOTYPE];\n\t  var target = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE];\n\t  var key, own, out;\n\t  if (IS_GLOBAL) source = name;\n\t  for (key in source) {\n\t    // contains in native\n\t    own = !IS_FORCED && target && target[key] !== undefined;\n\t    if (own && key in exports) continue;\n\t    // export native or passed\n\t    out = own ? target[key] : source[key];\n\t    // prevent global pollution for namespaces\n\t    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n\t    // bind timers to global for call from export context\n\t    : IS_BIND && own ? ctx(out, global)\n\t    // wrap global constructors for prevent change them in library\n\t    : IS_WRAP && target[key] == out ? (function (C) {\n\t      var F = function (a, b, c) {\n\t        if (this instanceof C) {\n\t          switch (arguments.length) {\n\t            case 0: return new C();\n\t            case 1: return new C(a);\n\t            case 2: return new C(a, b);\n\t          } return new C(a, b, c);\n\t        } return C.apply(this, arguments);\n\t      };\n\t      F[PROTOTYPE] = C[PROTOTYPE];\n\t      return F;\n\t    // make static versions for prototype methods\n\t    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n\t    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n\t    if (IS_PROTO) {\n\t      (exports.virtual || (exports.virtual = {}))[key] = out;\n\t      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n\t      if (type & $export.R && expProto && !expProto[key]) hide(expProto, key, out);\n\t    }\n\t  }\n\t};\n\t// type bitmap\n\t$export.F = 1;   // forced\n\t$export.G = 2;   // global\n\t$export.S = 4;   // static\n\t$export.P = 8;   // proto\n\t$export.B = 16;  // bind\n\t$export.W = 32;  // wrap\n\t$export.U = 64;  // safe\n\t$export.R = 128; // real proto method for `library`\n\tmodule.exports = $export;\n\n\n/***/ }),\n/* 173 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar dP = __webpack_require__(66);\n\tvar createDesc = __webpack_require__(175);\n\tmodule.exports = __webpack_require__(18) ? function (object, key, value) {\n\t  return dP.f(object, key, createDesc(1, value));\n\t} : function (object, key, value) {\n\t  object[key] = value;\n\t  return object;\n\t};\n\n\n/***/ }),\n/* 174 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = !__webpack_require__(18) && !__webpack_require__(64)(function () {\n\t  return Object.defineProperty(__webpack_require__(171)('div'), 'a', { get: function () { return 7; } }).a != 7;\n\t});\n\n\n/***/ }),\n/* 175 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (bitmap, value) {\n\t  return {\n\t    enumerable: !(bitmap & 1),\n\t    configurable: !(bitmap & 2),\n\t    writable: !(bitmap & 4),\n\t    value: value\n\t  };\n\t};\n\n\n/***/ }),\n/* 176 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 7.1.1 ToPrimitive(input [, PreferredType])\n\tvar isObject = __webpack_require__(38);\n\t// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n\t// and the second argument - flag - preferred type is a string\n\tmodule.exports = function (it, S) {\n\t  if (!isObject(it)) return it;\n\t  var fn, val;\n\t  if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n\t  if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;\n\t  if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n\t  throw TypeError(\"Can't convert object to primitive value\");\n\t};\n\n\n/***/ }),\n/* 177 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar $export = __webpack_require__(172);\n\t// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n\t$export($export.S + $export.F * !__webpack_require__(18), 'Object', { defineProperty: __webpack_require__(66).f });\n\n\n/***/ }),\n/* 178 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(global, module) {/**\n\t * @license\n\t * Lodash <https://lodash.com/>\n\t * Copyright JS Foundation and other contributors <https://js.foundation/>\n\t * Released under MIT license <https://lodash.com/license>\n\t * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n\t * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n\t */\n\t;(function() {\n\t\n\t  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n\t  var undefined;\n\t\n\t  /** Used as the semantic version number. */\n\t  var VERSION = '4.17.4';\n\t\n\t  /** Used as the size to enable large array optimizations. */\n\t  var LARGE_ARRAY_SIZE = 200;\n\t\n\t  /** Error message constants. */\n\t  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n\t      FUNC_ERROR_TEXT = 'Expected a function';\n\t\n\t  /** Used to stand-in for `undefined` hash values. */\n\t  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\t\n\t  /** Used as the maximum memoize cache size. */\n\t  var MAX_MEMOIZE_SIZE = 500;\n\t\n\t  /** Used as the internal argument placeholder. */\n\t  var PLACEHOLDER = '__lodash_placeholder__';\n\t\n\t  /** Used to compose bitmasks for cloning. */\n\t  var CLONE_DEEP_FLAG = 1,\n\t      CLONE_FLAT_FLAG = 2,\n\t      CLONE_SYMBOLS_FLAG = 4;\n\t\n\t  /** Used to compose bitmasks for value comparisons. */\n\t  var COMPARE_PARTIAL_FLAG = 1,\n\t      COMPARE_UNORDERED_FLAG = 2;\n\t\n\t  /** Used to compose bitmasks for function metadata. */\n\t  var WRAP_BIND_FLAG = 1,\n\t      WRAP_BIND_KEY_FLAG = 2,\n\t      WRAP_CURRY_BOUND_FLAG = 4,\n\t      WRAP_CURRY_FLAG = 8,\n\t      WRAP_CURRY_RIGHT_FLAG = 16,\n\t      WRAP_PARTIAL_FLAG = 32,\n\t      WRAP_PARTIAL_RIGHT_FLAG = 64,\n\t      WRAP_ARY_FLAG = 128,\n\t      WRAP_REARG_FLAG = 256,\n\t      WRAP_FLIP_FLAG = 512;\n\t\n\t  /** Used as default options for `_.truncate`. */\n\t  var DEFAULT_TRUNC_LENGTH = 30,\n\t      DEFAULT_TRUNC_OMISSION = '...';\n\t\n\t  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n\t  var HOT_COUNT = 800,\n\t      HOT_SPAN = 16;\n\t\n\t  /** Used to indicate the type of lazy iteratees. */\n\t  var LAZY_FILTER_FLAG = 1,\n\t      LAZY_MAP_FLAG = 2,\n\t      LAZY_WHILE_FLAG = 3;\n\t\n\t  /** Used as references for various `Number` constants. */\n\t  var INFINITY = 1 / 0,\n\t      MAX_SAFE_INTEGER = 9007199254740991,\n\t      MAX_INTEGER = 1.7976931348623157e+308,\n\t      NAN = 0 / 0;\n\t\n\t  /** Used as references for the maximum length and index of an array. */\n\t  var MAX_ARRAY_LENGTH = 4294967295,\n\t      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n\t      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\t\n\t  /** Used to associate wrap methods with their bit flags. */\n\t  var wrapFlags = [\n\t    ['ary', WRAP_ARY_FLAG],\n\t    ['bind', WRAP_BIND_FLAG],\n\t    ['bindKey', WRAP_BIND_KEY_FLAG],\n\t    ['curry', WRAP_CURRY_FLAG],\n\t    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n\t    ['flip', WRAP_FLIP_FLAG],\n\t    ['partial', WRAP_PARTIAL_FLAG],\n\t    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n\t    ['rearg', WRAP_REARG_FLAG]\n\t  ];\n\t\n\t  /** `Object#toString` result references. */\n\t  var argsTag = '[object Arguments]',\n\t      arrayTag = '[object Array]',\n\t      asyncTag = '[object AsyncFunction]',\n\t      boolTag = '[object Boolean]',\n\t      dateTag = '[object Date]',\n\t      domExcTag = '[object DOMException]',\n\t      errorTag = '[object Error]',\n\t      funcTag = '[object Function]',\n\t      genTag = '[object GeneratorFunction]',\n\t      mapTag = '[object Map]',\n\t      numberTag = '[object Number]',\n\t      nullTag = '[object Null]',\n\t      objectTag = '[object Object]',\n\t      promiseTag = '[object Promise]',\n\t      proxyTag = '[object Proxy]',\n\t      regexpTag = '[object RegExp]',\n\t      setTag = '[object Set]',\n\t      stringTag = '[object String]',\n\t      symbolTag = '[object Symbol]',\n\t      undefinedTag = '[object Undefined]',\n\t      weakMapTag = '[object WeakMap]',\n\t      weakSetTag = '[object WeakSet]';\n\t\n\t  var arrayBufferTag = '[object ArrayBuffer]',\n\t      dataViewTag = '[object DataView]',\n\t      float32Tag = '[object Float32Array]',\n\t      float64Tag = '[object Float64Array]',\n\t      int8Tag = '[object Int8Array]',\n\t      int16Tag = '[object Int16Array]',\n\t      int32Tag = '[object Int32Array]',\n\t      uint8Tag = '[object Uint8Array]',\n\t      uint8ClampedTag = '[object Uint8ClampedArray]',\n\t      uint16Tag = '[object Uint16Array]',\n\t      uint32Tag = '[object Uint32Array]';\n\t\n\t  /** Used to match empty string literals in compiled template source. */\n\t  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n\t      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n\t      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\t\n\t  /** Used to match HTML entities and HTML characters. */\n\t  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n\t      reUnescapedHtml = /[&<>\"']/g,\n\t      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n\t      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\t\n\t  /** Used to match template delimiters. */\n\t  var reEscape = /<%-([\\s\\S]+?)%>/g,\n\t      reEvaluate = /<%([\\s\\S]+?)%>/g,\n\t      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\t\n\t  /** Used to match property names within property paths. */\n\t  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n\t      reIsPlainProp = /^\\w*$/,\n\t      reLeadingDot = /^\\./,\n\t      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\t\n\t  /**\n\t   * Used to match `RegExp`\n\t   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n\t   */\n\t  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n\t      reHasRegExpChar = RegExp(reRegExpChar.source);\n\t\n\t  /** Used to match leading and trailing whitespace. */\n\t  var reTrim = /^\\s+|\\s+$/g,\n\t      reTrimStart = /^\\s+/,\n\t      reTrimEnd = /\\s+$/;\n\t\n\t  /** Used to match wrap detail comments. */\n\t  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n\t      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n\t      reSplitDetails = /,? & /;\n\t\n\t  /** Used to match words composed of alphanumeric characters. */\n\t  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\t\n\t  /** Used to match backslashes in property paths. */\n\t  var reEscapeChar = /\\\\(\\\\)?/g;\n\t\n\t  /**\n\t   * Used to match\n\t   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n\t   */\n\t  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\t\n\t  /** Used to match `RegExp` flags from their coerced string values. */\n\t  var reFlags = /\\w*$/;\n\t\n\t  /** Used to detect bad signed hexadecimal string values. */\n\t  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\t\n\t  /** Used to detect binary string values. */\n\t  var reIsBinary = /^0b[01]+$/i;\n\t\n\t  /** Used to detect host constructors (Safari). */\n\t  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\t\n\t  /** Used to detect octal string values. */\n\t  var reIsOctal = /^0o[0-7]+$/i;\n\t\n\t  /** Used to detect unsigned integer values. */\n\t  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\t\n\t  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n\t  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\t\n\t  /** Used to ensure capturing order of template delimiters. */\n\t  var reNoMatch = /($^)/;\n\t\n\t  /** Used to match unescaped characters in compiled string literals. */\n\t  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\t\n\t  /** Used to compose unicode character classes. */\n\t  var rsAstralRange = '\\\\ud800-\\\\udfff',\n\t      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n\t      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n\t      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n\t      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n\t      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n\t      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n\t      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n\t      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n\t      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n\t      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n\t      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n\t      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n\t      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\t\n\t  /** Used to compose unicode capture groups. */\n\t  var rsApos = \"['\\u2019]\",\n\t      rsAstral = '[' + rsAstralRange + ']',\n\t      rsBreak = '[' + rsBreakRange + ']',\n\t      rsCombo = '[' + rsComboRange + ']',\n\t      rsDigits = '\\\\d+',\n\t      rsDingbat = '[' + rsDingbatRange + ']',\n\t      rsLower = '[' + rsLowerRange + ']',\n\t      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n\t      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n\t      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n\t      rsNonAstral = '[^' + rsAstralRange + ']',\n\t      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n\t      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n\t      rsUpper = '[' + rsUpperRange + ']',\n\t      rsZWJ = '\\\\u200d';\n\t\n\t  /** Used to compose unicode regexes. */\n\t  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n\t      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n\t      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n\t      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n\t      reOptMod = rsModifier + '?',\n\t      rsOptVar = '[' + rsVarRange + ']?',\n\t      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n\t      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n\t      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n\t      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n\t      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n\t      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\t\n\t  /** Used to match apostrophes. */\n\t  var reApos = RegExp(rsApos, 'g');\n\t\n\t  /**\n\t   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n\t   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n\t   */\n\t  var reComboMark = RegExp(rsCombo, 'g');\n\t\n\t  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n\t  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\t\n\t  /** Used to match complex or compound words. */\n\t  var reUnicodeWord = RegExp([\n\t    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n\t    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n\t    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n\t    rsUpper + '+' + rsOptContrUpper,\n\t    rsOrdUpper,\n\t    rsOrdLower,\n\t    rsDigits,\n\t    rsEmoji\n\t  ].join('|'), 'g');\n\t\n\t  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n\t  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\t\n\t  /** Used to detect strings that need a more robust regexp to match words. */\n\t  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\t\n\t  /** Used to assign default `context` object properties. */\n\t  var contextProps = [\n\t    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n\t    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n\t    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n\t    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n\t    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n\t  ];\n\t\n\t  /** Used to make template sourceURLs easier to identify. */\n\t  var templateCounter = -1;\n\t\n\t  /** Used to identify `toStringTag` values of typed arrays. */\n\t  var typedArrayTags = {};\n\t  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n\t  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n\t  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n\t  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n\t  typedArrayTags[uint32Tag] = true;\n\t  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n\t  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n\t  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n\t  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n\t  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n\t  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n\t  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n\t  typedArrayTags[weakMapTag] = false;\n\t\n\t  /** Used to identify `toStringTag` values supported by `_.clone`. */\n\t  var cloneableTags = {};\n\t  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n\t  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n\t  cloneableTags[boolTag] = cloneableTags[dateTag] =\n\t  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n\t  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n\t  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n\t  cloneableTags[numberTag] = cloneableTags[objectTag] =\n\t  cloneableTags[regexpTag] = cloneableTags[setTag] =\n\t  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n\t  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n\t  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n\t  cloneableTags[errorTag] = cloneableTags[funcTag] =\n\t  cloneableTags[weakMapTag] = false;\n\t\n\t  /** Used to map Latin Unicode letters to basic Latin letters. */\n\t  var deburredLetters = {\n\t    // Latin-1 Supplement block.\n\t    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n\t    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n\t    '\\xc7': 'C',  '\\xe7': 'c',\n\t    '\\xd0': 'D',  '\\xf0': 'd',\n\t    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n\t    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n\t    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n\t    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n\t    '\\xd1': 'N',  '\\xf1': 'n',\n\t    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n\t    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n\t    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n\t    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n\t    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n\t    '\\xc6': 'Ae', '\\xe6': 'ae',\n\t    '\\xde': 'Th', '\\xfe': 'th',\n\t    '\\xdf': 'ss',\n\t    // Latin Extended-A block.\n\t    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n\t    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n\t    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n\t    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n\t    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n\t    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n\t    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n\t    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n\t    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n\t    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n\t    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n\t    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n\t    '\\u0134': 'J',  '\\u0135': 'j',\n\t    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n\t    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n\t    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n\t    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n\t    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n\t    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n\t    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n\t    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n\t    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n\t    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n\t    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n\t    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n\t    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n\t    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n\t    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n\t    '\\u0174': 'W',  '\\u0175': 'w',\n\t    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n\t    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n\t    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n\t    '\\u0132': 'IJ', '\\u0133': 'ij',\n\t    '\\u0152': 'Oe', '\\u0153': 'oe',\n\t    '\\u0149': \"'n\", '\\u017f': 's'\n\t  };\n\t\n\t  /** Used to map characters to HTML entities. */\n\t  var htmlEscapes = {\n\t    '&': '&amp;',\n\t    '<': '&lt;',\n\t    '>': '&gt;',\n\t    '\"': '&quot;',\n\t    \"'\": '&#39;'\n\t  };\n\t\n\t  /** Used to map HTML entities to characters. */\n\t  var htmlUnescapes = {\n\t    '&amp;': '&',\n\t    '&lt;': '<',\n\t    '&gt;': '>',\n\t    '&quot;': '\"',\n\t    '&#39;': \"'\"\n\t  };\n\t\n\t  /** Used to escape characters for inclusion in compiled string literals. */\n\t  var stringEscapes = {\n\t    '\\\\': '\\\\',\n\t    \"'\": \"'\",\n\t    '\\n': 'n',\n\t    '\\r': 'r',\n\t    '\\u2028': 'u2028',\n\t    '\\u2029': 'u2029'\n\t  };\n\t\n\t  /** Built-in method references without a dependency on `root`. */\n\t  var freeParseFloat = parseFloat,\n\t      freeParseInt = parseInt;\n\t\n\t  /** Detect free variable `global` from Node.js. */\n\t  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\t\n\t  /** Detect free variable `self`. */\n\t  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\t\n\t  /** Used as a reference to the global object. */\n\t  var root = freeGlobal || freeSelf || Function('return this')();\n\t\n\t  /** Detect free variable `exports`. */\n\t  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\t\n\t  /** Detect free variable `module`. */\n\t  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\t\n\t  /** Detect the popular CommonJS extension `module.exports`. */\n\t  var moduleExports = freeModule && freeModule.exports === freeExports;\n\t\n\t  /** Detect free variable `process` from Node.js. */\n\t  var freeProcess = moduleExports && freeGlobal.process;\n\t\n\t  /** Used to access faster Node.js helpers. */\n\t  var nodeUtil = (function() {\n\t    try {\n\t      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n\t    } catch (e) {}\n\t  }());\n\t\n\t  /* Node.js helper references. */\n\t  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n\t      nodeIsDate = nodeUtil && nodeUtil.isDate,\n\t      nodeIsMap = nodeUtil && nodeUtil.isMap,\n\t      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n\t      nodeIsSet = nodeUtil && nodeUtil.isSet,\n\t      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  /**\n\t   * Adds the key-value `pair` to `map`.\n\t   *\n\t   * @private\n\t   * @param {Object} map The map to modify.\n\t   * @param {Array} pair The key-value pair to add.\n\t   * @returns {Object} Returns `map`.\n\t   */\n\t  function addMapEntry(map, pair) {\n\t    // Don't return `map.set` because it's not chainable in IE 11.\n\t    map.set(pair[0], pair[1]);\n\t    return map;\n\t  }\n\t\n\t  /**\n\t   * Adds `value` to `set`.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to modify.\n\t   * @param {*} value The value to add.\n\t   * @returns {Object} Returns `set`.\n\t   */\n\t  function addSetEntry(set, value) {\n\t    // Don't return `set.add` because it's not chainable in IE 11.\n\t    set.add(value);\n\t    return set;\n\t  }\n\t\n\t  /**\n\t   * A faster alternative to `Function#apply`, this function invokes `func`\n\t   * with the `this` binding of `thisArg` and the arguments of `args`.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to invoke.\n\t   * @param {*} thisArg The `this` binding of `func`.\n\t   * @param {Array} args The arguments to invoke `func` with.\n\t   * @returns {*} Returns the result of `func`.\n\t   */\n\t  function apply(func, thisArg, args) {\n\t    switch (args.length) {\n\t      case 0: return func.call(thisArg);\n\t      case 1: return func.call(thisArg, args[0]);\n\t      case 2: return func.call(thisArg, args[0], args[1]);\n\t      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n\t    }\n\t    return func.apply(thisArg, args);\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `baseAggregator` for arrays.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} setter The function to set `accumulator` values.\n\t   * @param {Function} iteratee The iteratee to transform keys.\n\t   * @param {Object} accumulator The initial aggregated object.\n\t   * @returns {Function} Returns `accumulator`.\n\t   */\n\t  function arrayAggregator(array, setter, iteratee, accumulator) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      setter(accumulator, value, iteratee(value), array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.forEach` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayEach(array, iteratee) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (iteratee(array[index], index, array) === false) {\n\t        break;\n\t      }\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.forEachRight` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayEachRight(array, iteratee) {\n\t    var length = array == null ? 0 : array.length;\n\t\n\t    while (length--) {\n\t      if (iteratee(array[length], length, array) === false) {\n\t        break;\n\t      }\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.every` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t   *  else `false`.\n\t   */\n\t  function arrayEvery(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (!predicate(array[index], index, array)) {\n\t        return false;\n\t      }\n\t    }\n\t    return true;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.filter` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {Array} Returns the new filtered array.\n\t   */\n\t  function arrayFilter(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length,\n\t        resIndex = 0,\n\t        result = [];\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      if (predicate(value, index, array)) {\n\t        result[resIndex++] = value;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.includes` for arrays without support for\n\t   * specifying an index to search from.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to inspect.\n\t   * @param {*} target The value to search for.\n\t   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n\t   */\n\t  function arrayIncludes(array, value) {\n\t    var length = array == null ? 0 : array.length;\n\t    return !!length && baseIndexOf(array, value, 0) > -1;\n\t  }\n\t\n\t  /**\n\t   * This function is like `arrayIncludes` except that it accepts a comparator.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to inspect.\n\t   * @param {*} target The value to search for.\n\t   * @param {Function} comparator The comparator invoked per element.\n\t   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n\t   */\n\t  function arrayIncludesWith(array, value, comparator) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (comparator(value, array[index])) {\n\t        return true;\n\t      }\n\t    }\n\t    return false;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.map` for arrays without support for iteratee\n\t   * shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns the new mapped array.\n\t   */\n\t  function arrayMap(array, iteratee) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length,\n\t        result = Array(length);\n\t\n\t    while (++index < length) {\n\t      result[index] = iteratee(array[index], index, array);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Appends the elements of `values` to `array`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to modify.\n\t   * @param {Array} values The values to append.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayPush(array, values) {\n\t    var index = -1,\n\t        length = values.length,\n\t        offset = array.length;\n\t\n\t    while (++index < length) {\n\t      array[offset + index] = values[index];\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.reduce` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} [accumulator] The initial value.\n\t   * @param {boolean} [initAccum] Specify using the first element of `array` as\n\t   *  the initial value.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function arrayReduce(array, iteratee, accumulator, initAccum) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    if (initAccum && length) {\n\t      accumulator = array[++index];\n\t    }\n\t    while (++index < length) {\n\t      accumulator = iteratee(accumulator, array[index], index, array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.reduceRight` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} [accumulator] The initial value.\n\t   * @param {boolean} [initAccum] Specify using the last element of `array` as\n\t   *  the initial value.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n\t    var length = array == null ? 0 : array.length;\n\t    if (initAccum && length) {\n\t      accumulator = array[--length];\n\t    }\n\t    while (length--) {\n\t      accumulator = iteratee(accumulator, array[length], length, array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.some` for arrays without support for iteratee\n\t   * shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t   *  else `false`.\n\t   */\n\t  function arraySome(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (predicate(array[index], index, array)) {\n\t        return true;\n\t      }\n\t    }\n\t    return false;\n\t  }\n\t\n\t  /**\n\t   * Gets the size of an ASCII `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  var asciiSize = baseProperty('length');\n\t\n\t  /**\n\t   * Converts an ASCII `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function asciiToArray(string) {\n\t    return string.split('');\n\t  }\n\t\n\t  /**\n\t   * Splits an ASCII `string` into an array of its words.\n\t   *\n\t   * @private\n\t   * @param {string} The string to inspect.\n\t   * @returns {Array} Returns the words of `string`.\n\t   */\n\t  function asciiWords(string) {\n\t    return string.match(reAsciiWord) || [];\n\t  }\n\t\n\t  /**\n\t   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n\t   * without support for iteratee shorthands, which iterates over `collection`\n\t   * using `eachFunc`.\n\t   *\n\t   * @private\n\t   * @param {Array|Object} collection The collection to inspect.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @param {Function} eachFunc The function to iterate over `collection`.\n\t   * @returns {*} Returns the found element or its key, else `undefined`.\n\t   */\n\t  function baseFindKey(collection, predicate, eachFunc) {\n\t    var result;\n\t    eachFunc(collection, function(value, key, collection) {\n\t      if (predicate(value, key, collection)) {\n\t        result = key;\n\t        return false;\n\t      }\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n\t   * support for iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @param {boolean} [fromRight] Specify iterating from right to left.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n\t    var length = array.length,\n\t        index = fromIndex + (fromRight ? 1 : -1);\n\t\n\t    while ((fromRight ? index-- : ++index < length)) {\n\t      if (predicate(array[index], index, array)) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseIndexOf(array, value, fromIndex) {\n\t    return value === value\n\t      ? strictIndexOf(array, value, fromIndex)\n\t      : baseFindIndex(array, baseIsNaN, fromIndex);\n\t  }\n\t\n\t  /**\n\t   * This function is like `baseIndexOf` except that it accepts a comparator.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @param {Function} comparator The comparator invoked per element.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseIndexOfWith(array, value, fromIndex, comparator) {\n\t    var index = fromIndex - 1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      if (comparator(array[index], value)) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.isNaN` without support for number objects.\n\t   *\n\t   * @private\n\t   * @param {*} value The value to check.\n\t   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t   */\n\t  function baseIsNaN(value) {\n\t    return value !== value;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.mean` and `_.meanBy` without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {number} Returns the mean.\n\t   */\n\t  function baseMean(array, iteratee) {\n\t    var length = array == null ? 0 : array.length;\n\t    return length ? (baseSum(array, iteratee) / length) : NAN;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.property` without support for deep paths.\n\t   *\n\t   * @private\n\t   * @param {string} key The key of the property to get.\n\t   * @returns {Function} Returns the new accessor function.\n\t   */\n\t  function baseProperty(key) {\n\t    return function(object) {\n\t      return object == null ? undefined : object[key];\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.propertyOf` without support for deep paths.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @returns {Function} Returns the new accessor function.\n\t   */\n\t  function basePropertyOf(object) {\n\t    return function(key) {\n\t      return object == null ? undefined : object[key];\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n\t   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n\t   *\n\t   * @private\n\t   * @param {Array|Object} collection The collection to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} accumulator The initial value.\n\t   * @param {boolean} initAccum Specify using the first or last element of\n\t   *  `collection` as the initial value.\n\t   * @param {Function} eachFunc The function to iterate over `collection`.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n\t    eachFunc(collection, function(value, index, collection) {\n\t      accumulator = initAccum\n\t        ? (initAccum = false, value)\n\t        : iteratee(accumulator, value, index, collection);\n\t    });\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.sortBy` which uses `comparer` to define the\n\t   * sort order of `array` and replaces criteria objects with their corresponding\n\t   * values.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to sort.\n\t   * @param {Function} comparer The function to define sort order.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function baseSortBy(array, comparer) {\n\t    var length = array.length;\n\t\n\t    array.sort(comparer);\n\t    while (length--) {\n\t      array[length] = array[length].value;\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.sum` and `_.sumBy` without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {number} Returns the sum.\n\t   */\n\t  function baseSum(array, iteratee) {\n\t    var result,\n\t        index = -1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      var current = iteratee(array[index]);\n\t      if (current !== undefined) {\n\t        result = result === undefined ? current : (result + current);\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.times` without support for iteratee shorthands\n\t   * or max array length checks.\n\t   *\n\t   * @private\n\t   * @param {number} n The number of times to invoke `iteratee`.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns the array of results.\n\t   */\n\t  function baseTimes(n, iteratee) {\n\t    var index = -1,\n\t        result = Array(n);\n\t\n\t    while (++index < n) {\n\t      result[index] = iteratee(index);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n\t   * of key-value pairs for `object` corresponding to the property names of `props`.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @param {Array} props The property names to get values for.\n\t   * @returns {Object} Returns the key-value pairs.\n\t   */\n\t  function baseToPairs(object, props) {\n\t    return arrayMap(props, function(key) {\n\t      return [key, object[key]];\n\t    });\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.unary` without support for storing metadata.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to cap arguments for.\n\t   * @returns {Function} Returns the new capped function.\n\t   */\n\t  function baseUnary(func) {\n\t    return function(value) {\n\t      return func(value);\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.values` and `_.valuesIn` which creates an\n\t   * array of `object` property values corresponding to the property names\n\t   * of `props`.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @param {Array} props The property names to get values for.\n\t   * @returns {Object} Returns the array of property values.\n\t   */\n\t  function baseValues(object, props) {\n\t    return arrayMap(props, function(key) {\n\t      return object[key];\n\t    });\n\t  }\n\t\n\t  /**\n\t   * Checks if a `cache` value for `key` exists.\n\t   *\n\t   * @private\n\t   * @param {Object} cache The cache to query.\n\t   * @param {string} key The key of the entry to check.\n\t   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t   */\n\t  function cacheHas(cache, key) {\n\t    return cache.has(key);\n\t  }\n\t\n\t  /**\n\t   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n\t   * that is not found in the character symbols.\n\t   *\n\t   * @private\n\t   * @param {Array} strSymbols The string symbols to inspect.\n\t   * @param {Array} chrSymbols The character symbols to find.\n\t   * @returns {number} Returns the index of the first unmatched string symbol.\n\t   */\n\t  function charsStartIndex(strSymbols, chrSymbols) {\n\t    var index = -1,\n\t        length = strSymbols.length;\n\t\n\t    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n\t   * that is not found in the character symbols.\n\t   *\n\t   * @private\n\t   * @param {Array} strSymbols The string symbols to inspect.\n\t   * @param {Array} chrSymbols The character symbols to find.\n\t   * @returns {number} Returns the index of the last unmatched string symbol.\n\t   */\n\t  function charsEndIndex(strSymbols, chrSymbols) {\n\t    var index = strSymbols.length;\n\t\n\t    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Gets the number of `placeholder` occurrences in `array`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} placeholder The placeholder to search for.\n\t   * @returns {number} Returns the placeholder count.\n\t   */\n\t  function countHolders(array, placeholder) {\n\t    var length = array.length,\n\t        result = 0;\n\t\n\t    while (length--) {\n\t      if (array[length] === placeholder) {\n\t        ++result;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n\t   * letters to basic Latin letters.\n\t   *\n\t   * @private\n\t   * @param {string} letter The matched letter to deburr.\n\t   * @returns {string} Returns the deburred letter.\n\t   */\n\t  var deburrLetter = basePropertyOf(deburredLetters);\n\t\n\t  /**\n\t   * Used by `_.escape` to convert characters to HTML entities.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to escape.\n\t   * @returns {string} Returns the escaped character.\n\t   */\n\t  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\t\n\t  /**\n\t   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to escape.\n\t   * @returns {string} Returns the escaped character.\n\t   */\n\t  function escapeStringChar(chr) {\n\t    return '\\\\' + stringEscapes[chr];\n\t  }\n\t\n\t  /**\n\t   * Gets the value at `key` of `object`.\n\t   *\n\t   * @private\n\t   * @param {Object} [object] The object to query.\n\t   * @param {string} key The key of the property to get.\n\t   * @returns {*} Returns the property value.\n\t   */\n\t  function getValue(object, key) {\n\t    return object == null ? undefined : object[key];\n\t  }\n\t\n\t  /**\n\t   * Checks if `string` contains Unicode symbols.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n\t   */\n\t  function hasUnicode(string) {\n\t    return reHasUnicode.test(string);\n\t  }\n\t\n\t  /**\n\t   * Checks if `string` contains a word composed of Unicode symbols.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {boolean} Returns `true` if a word is found, else `false`.\n\t   */\n\t  function hasUnicodeWord(string) {\n\t    return reHasUnicodeWord.test(string);\n\t  }\n\t\n\t  /**\n\t   * Converts `iterator` to an array.\n\t   *\n\t   * @private\n\t   * @param {Object} iterator The iterator to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function iteratorToArray(iterator) {\n\t    var data,\n\t        result = [];\n\t\n\t    while (!(data = iterator.next()).done) {\n\t      result.push(data.value);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `map` to its key-value pairs.\n\t   *\n\t   * @private\n\t   * @param {Object} map The map to convert.\n\t   * @returns {Array} Returns the key-value pairs.\n\t   */\n\t  function mapToArray(map) {\n\t    var index = -1,\n\t        result = Array(map.size);\n\t\n\t    map.forEach(function(value, key) {\n\t      result[++index] = [key, value];\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Creates a unary function that invokes `func` with its argument transformed.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to wrap.\n\t   * @param {Function} transform The argument transform.\n\t   * @returns {Function} Returns the new function.\n\t   */\n\t  function overArg(func, transform) {\n\t    return function(arg) {\n\t      return func(transform(arg));\n\t    };\n\t  }\n\t\n\t  /**\n\t   * Replaces all `placeholder` elements in `array` with an internal placeholder\n\t   * and returns an array of their indexes.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to modify.\n\t   * @param {*} placeholder The placeholder to replace.\n\t   * @returns {Array} Returns the new array of placeholder indexes.\n\t   */\n\t  function replaceHolders(array, placeholder) {\n\t    var index = -1,\n\t        length = array.length,\n\t        resIndex = 0,\n\t        result = [];\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      if (value === placeholder || value === PLACEHOLDER) {\n\t        array[index] = PLACEHOLDER;\n\t        result[resIndex++] = index;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `set` to an array of its values.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to convert.\n\t   * @returns {Array} Returns the values.\n\t   */\n\t  function setToArray(set) {\n\t    var index = -1,\n\t        result = Array(set.size);\n\t\n\t    set.forEach(function(value) {\n\t      result[++index] = value;\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `set` to its value-value pairs.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to convert.\n\t   * @returns {Array} Returns the value-value pairs.\n\t   */\n\t  function setToPairs(set) {\n\t    var index = -1,\n\t        result = Array(set.size);\n\t\n\t    set.forEach(function(value) {\n\t      result[++index] = [value, value];\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.indexOf` which performs strict equality\n\t   * comparisons of values, i.e. `===`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function strictIndexOf(array, value, fromIndex) {\n\t    var index = fromIndex - 1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      if (array[index] === value) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.lastIndexOf` which performs strict equality\n\t   * comparisons of values, i.e. `===`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function strictLastIndexOf(array, value, fromIndex) {\n\t    var index = fromIndex + 1;\n\t    while (index--) {\n\t      if (array[index] === value) {\n\t        return index;\n\t      }\n\t    }\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Gets the number of symbols in `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  function stringSize(string) {\n\t    return hasUnicode(string)\n\t      ? unicodeSize(string)\n\t      : asciiSize(string);\n\t  }\n\t\n\t  /**\n\t   * Converts `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function stringToArray(string) {\n\t    return hasUnicode(string)\n\t      ? unicodeToArray(string)\n\t      : asciiToArray(string);\n\t  }\n\t\n\t  /**\n\t   * Used by `_.unescape` to convert HTML entities to characters.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to unescape.\n\t   * @returns {string} Returns the unescaped character.\n\t   */\n\t  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\t\n\t  /**\n\t   * Gets the size of a Unicode `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  function unicodeSize(string) {\n\t    var result = reUnicode.lastIndex = 0;\n\t    while (reUnicode.test(string)) {\n\t      ++result;\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts a Unicode `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function unicodeToArray(string) {\n\t    return string.match(reUnicode) || [];\n\t  }\n\t\n\t  /**\n\t   * Splits a Unicode `string` into an array of its words.\n\t   *\n\t   * @private\n\t   * @param {string} The string to inspect.\n\t   * @returns {Array} Returns the words of `string`.\n\t   */\n\t  function unicodeWords(string) {\n\t    return string.match(reUnicodeWord) || [];\n\t  }\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  /**\n\t   * Create a new pristine `lodash` function using the `context` object.\n\t   *\n\t   * @static\n\t   * @memberOf _\n\t   * @since 1.1.0\n\t   * @category Util\n\t   * @param {Object} [context=root] The context object.\n\t   * @returns {Function} Returns a new `lodash` function.\n\t   * @example\n\t   *\n\t   * _.mixin({ 'foo': _.constant('foo') });\n\t   *\n\t   * var lodash = _.runInContext();\n\t   * lodash.mixin({ 'bar': lodash.constant('bar') });\n\t   *\n\t   * _.isFunction(_.foo);\n\t   * // => true\n\t   * _.isFunction(_.bar);\n\t   * // => false\n\t   *\n\t   * lodash.isFunction(lodash.foo);\n\t   * // => false\n\t   * lodash.isFunction(lodash.bar);\n\t   * // => true\n\t   *\n\t   * // Create a suped-up `defer` in Node.js.\n\t   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n\t   */\n\t  var runInContext = (function runInContext(context) {\n\t    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\t\n\t    /** Built-in constructor references. */\n\t    var Array = context.Array,\n\t        Date = context.Date,\n\t        Error = context.Error,\n\t        Function = context.Function,\n\t        Math = context.Math,\n\t        Object = context.Object,\n\t        RegExp = context.RegExp,\n\t        String = context.String,\n\t        TypeError = context.TypeError;\n\t\n\t    /** Used for built-in method references. */\n\t    var arrayProto = Array.prototype,\n\t        funcProto = Function.prototype,\n\t        objectProto = Object.prototype;\n\t\n\t    /** Used to detect overreaching core-js shims. */\n\t    var coreJsData = context['__core-js_shared__'];\n\t\n\t    /** Used to resolve the decompiled source of functions. */\n\t    var funcToString = funcProto.toString;\n\t\n\t    /** Used to check objects for own properties. */\n\t    var hasOwnProperty = objectProto.hasOwnProperty;\n\t\n\t    /** Used to generate unique IDs. */\n\t    var idCounter = 0;\n\t\n\t    /** Used to detect methods masquerading as native. */\n\t    var maskSrcKey = (function() {\n\t      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n\t      return uid ? ('Symbol(src)_1.' + uid) : '';\n\t    }());\n\t\n\t    /**\n\t     * Used to resolve the\n\t     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n\t     * of values.\n\t     */\n\t    var nativeObjectToString = objectProto.toString;\n\t\n\t    /** Used to infer the `Object` constructor. */\n\t    var objectCtorString = funcToString.call(Object);\n\t\n\t    /** Used to restore the original `_` reference in `_.noConflict`. */\n\t    var oldDash = root._;\n\t\n\t    /** Used to detect if a method is native. */\n\t    var reIsNative = RegExp('^' +\n\t      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n\t      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n\t    );\n\t\n\t    /** Built-in value references. */\n\t    var Buffer = moduleExports ? context.Buffer : undefined,\n\t        Symbol = context.Symbol,\n\t        Uint8Array = context.Uint8Array,\n\t        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n\t        getPrototype = overArg(Object.getPrototypeOf, Object),\n\t        objectCreate = Object.create,\n\t        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n\t        splice = arrayProto.splice,\n\t        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n\t        symIterator = Symbol ? Symbol.iterator : undefined,\n\t        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\t\n\t    var defineProperty = (function() {\n\t      try {\n\t        var func = getNative(Object, 'defineProperty');\n\t        func({}, '', {});\n\t        return func;\n\t      } catch (e) {}\n\t    }());\n\t\n\t    /** Mocked built-ins. */\n\t    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n\t        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n\t        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\t\n\t    /* Built-in method references for those with the same name as other `lodash` methods. */\n\t    var nativeCeil = Math.ceil,\n\t        nativeFloor = Math.floor,\n\t        nativeGetSymbols = Object.getOwnPropertySymbols,\n\t        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n\t        nativeIsFinite = context.isFinite,\n\t        nativeJoin = arrayProto.join,\n\t        nativeKeys = overArg(Object.keys, Object),\n\t        nativeMax = Math.max,\n\t        nativeMin = Math.min,\n\t        nativeNow = Date.now,\n\t        nativeParseInt = context.parseInt,\n\t        nativeRandom = Math.random,\n\t        nativeReverse = arrayProto.reverse;\n\t\n\t    /* Built-in method references that are verified to be native. */\n\t    var DataView = getNative(context, 'DataView'),\n\t        Map = getNative(context, 'Map'),\n\t        Promise = getNative(context, 'Promise'),\n\t        Set = getNative(context, 'Set'),\n\t        WeakMap = getNative(context, 'WeakMap'),\n\t        nativeCreate = getNative(Object, 'create');\n\t\n\t    /** Used to store function metadata. */\n\t    var metaMap = WeakMap && new WeakMap;\n\t\n\t    /** Used to lookup unminified function names. */\n\t    var realNames = {};\n\t\n\t    /** Used to detect maps, sets, and weakmaps. */\n\t    var dataViewCtorString = toSource(DataView),\n\t        mapCtorString = toSource(Map),\n\t        promiseCtorString = toSource(Promise),\n\t        setCtorString = toSource(Set),\n\t        weakMapCtorString = toSource(WeakMap);\n\t\n\t    /** Used to convert symbols to primitives and strings. */\n\t    var symbolProto = Symbol ? Symbol.prototype : undefined,\n\t        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n\t        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a `lodash` object which wraps `value` to enable implicit method\n\t     * chain sequences. Methods that operate on and return arrays, collections,\n\t     * and functions can be chained together. Methods that retrieve a single value\n\t     * or may return a primitive value will automatically end the chain sequence\n\t     * and return the unwrapped value. Otherwise, the value must be unwrapped\n\t     * with `_#value`.\n\t     *\n\t     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n\t     * enabled using `_.chain`.\n\t     *\n\t     * The execution of chained methods is lazy, that is, it's deferred until\n\t     * `_#value` is implicitly or explicitly called.\n\t     *\n\t     * Lazy evaluation allows several methods to support shortcut fusion.\n\t     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n\t     * the creation of intermediate arrays and can greatly reduce the number of\n\t     * iteratee executions. Sections of a chain sequence qualify for shortcut\n\t     * fusion if the section is applied to an array and iteratees accept only\n\t     * one argument. The heuristic for whether a section qualifies for shortcut\n\t     * fusion is subject to change.\n\t     *\n\t     * Chaining is supported in custom builds as long as the `_#value` method is\n\t     * directly or indirectly included in the build.\n\t     *\n\t     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n\t     *\n\t     * The wrapper `Array` methods are:\n\t     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n\t     *\n\t     * The wrapper `String` methods are:\n\t     * `replace` and `split`\n\t     *\n\t     * The wrapper methods that support shortcut fusion are:\n\t     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n\t     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n\t     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n\t     *\n\t     * The chainable wrapper methods are:\n\t     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n\t     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n\t     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n\t     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n\t     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n\t     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n\t     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n\t     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n\t     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n\t     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n\t     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n\t     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n\t     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n\t     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n\t     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n\t     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n\t     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n\t     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n\t     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n\t     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n\t     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n\t     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n\t     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n\t     * `zipObject`, `zipObjectDeep`, and `zipWith`\n\t     *\n\t     * The wrapper methods that are **not** chainable by default are:\n\t     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n\t     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n\t     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n\t     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n\t     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n\t     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n\t     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n\t     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n\t     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n\t     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n\t     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n\t     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n\t     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n\t     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n\t     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n\t     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n\t     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n\t     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n\t     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n\t     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n\t     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n\t     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n\t     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n\t     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n\t     * `upperFirst`, `value`, and `words`\n\t     *\n\t     * @name _\n\t     * @constructor\n\t     * @category Seq\n\t     * @param {*} value The value to wrap in a `lodash` instance.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var wrapped = _([1, 2, 3]);\n\t     *\n\t     * // Returns an unwrapped value.\n\t     * wrapped.reduce(_.add);\n\t     * // => 6\n\t     *\n\t     * // Returns a wrapped value.\n\t     * var squares = wrapped.map(square);\n\t     *\n\t     * _.isArray(squares);\n\t     * // => false\n\t     *\n\t     * _.isArray(squares.value());\n\t     * // => true\n\t     */\n\t    function lodash(value) {\n\t      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n\t        if (value instanceof LodashWrapper) {\n\t          return value;\n\t        }\n\t        if (hasOwnProperty.call(value, '__wrapped__')) {\n\t          return wrapperClone(value);\n\t        }\n\t      }\n\t      return new LodashWrapper(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.create` without support for assigning\n\t     * properties to the created object.\n\t     *\n\t     * @private\n\t     * @param {Object} proto The object to inherit from.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    var baseCreate = (function() {\n\t      function object() {}\n\t      return function(proto) {\n\t        if (!isObject(proto)) {\n\t          return {};\n\t        }\n\t        if (objectCreate) {\n\t          return objectCreate(proto);\n\t        }\n\t        object.prototype = proto;\n\t        var result = new object;\n\t        object.prototype = undefined;\n\t        return result;\n\t      };\n\t    }());\n\t\n\t    /**\n\t     * The function whose prototype chain sequence wrappers inherit from.\n\t     *\n\t     * @private\n\t     */\n\t    function baseLodash() {\n\t      // No operation performed.\n\t    }\n\t\n\t    /**\n\t     * The base constructor for creating `lodash` wrapper objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to wrap.\n\t     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n\t     */\n\t    function LodashWrapper(value, chainAll) {\n\t      this.__wrapped__ = value;\n\t      this.__actions__ = [];\n\t      this.__chain__ = !!chainAll;\n\t      this.__index__ = 0;\n\t      this.__values__ = undefined;\n\t    }\n\t\n\t    /**\n\t     * By default, the template delimiters used by lodash are like those in\n\t     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n\t     * following template settings to use alternative delimiters.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @type {Object}\n\t     */\n\t    lodash.templateSettings = {\n\t\n\t      /**\n\t       * Used to detect `data` property values to be HTML-escaped.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'escape': reEscape,\n\t\n\t      /**\n\t       * Used to detect code to be evaluated.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'evaluate': reEvaluate,\n\t\n\t      /**\n\t       * Used to detect `data` property values to inject.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'interpolate': reInterpolate,\n\t\n\t      /**\n\t       * Used to reference the data object in the template text.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {string}\n\t       */\n\t      'variable': '',\n\t\n\t      /**\n\t       * Used to import variables into the compiled template.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {Object}\n\t       */\n\t      'imports': {\n\t\n\t        /**\n\t         * A reference to the `lodash` function.\n\t         *\n\t         * @memberOf _.templateSettings.imports\n\t         * @type {Function}\n\t         */\n\t        '_': lodash\n\t      }\n\t    };\n\t\n\t    // Ensure wrappers are instances of `baseLodash`.\n\t    lodash.prototype = baseLodash.prototype;\n\t    lodash.prototype.constructor = lodash;\n\t\n\t    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n\t    LodashWrapper.prototype.constructor = LodashWrapper;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {*} value The value to wrap.\n\t     */\n\t    function LazyWrapper(value) {\n\t      this.__wrapped__ = value;\n\t      this.__actions__ = [];\n\t      this.__dir__ = 1;\n\t      this.__filtered__ = false;\n\t      this.__iteratees__ = [];\n\t      this.__takeCount__ = MAX_ARRAY_LENGTH;\n\t      this.__views__ = [];\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the lazy wrapper object.\n\t     *\n\t     * @private\n\t     * @name clone\n\t     * @memberOf LazyWrapper\n\t     * @returns {Object} Returns the cloned `LazyWrapper` object.\n\t     */\n\t    function lazyClone() {\n\t      var result = new LazyWrapper(this.__wrapped__);\n\t      result.__actions__ = copyArray(this.__actions__);\n\t      result.__dir__ = this.__dir__;\n\t      result.__filtered__ = this.__filtered__;\n\t      result.__iteratees__ = copyArray(this.__iteratees__);\n\t      result.__takeCount__ = this.__takeCount__;\n\t      result.__views__ = copyArray(this.__views__);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Reverses the direction of lazy iteration.\n\t     *\n\t     * @private\n\t     * @name reverse\n\t     * @memberOf LazyWrapper\n\t     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n\t     */\n\t    function lazyReverse() {\n\t      if (this.__filtered__) {\n\t        var result = new LazyWrapper(this);\n\t        result.__dir__ = -1;\n\t        result.__filtered__ = true;\n\t      } else {\n\t        result = this.clone();\n\t        result.__dir__ *= -1;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Extracts the unwrapped value from its lazy wrapper.\n\t     *\n\t     * @private\n\t     * @name value\n\t     * @memberOf LazyWrapper\n\t     * @returns {*} Returns the unwrapped value.\n\t     */\n\t    function lazyValue() {\n\t      var array = this.__wrapped__.value(),\n\t          dir = this.__dir__,\n\t          isArr = isArray(array),\n\t          isRight = dir < 0,\n\t          arrLength = isArr ? array.length : 0,\n\t          view = getView(0, arrLength, this.__views__),\n\t          start = view.start,\n\t          end = view.end,\n\t          length = end - start,\n\t          index = isRight ? end : (start - 1),\n\t          iteratees = this.__iteratees__,\n\t          iterLength = iteratees.length,\n\t          resIndex = 0,\n\t          takeCount = nativeMin(length, this.__takeCount__);\n\t\n\t      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n\t        return baseWrapperValue(array, this.__actions__);\n\t      }\n\t      var result = [];\n\t\n\t      outer:\n\t      while (length-- && resIndex < takeCount) {\n\t        index += dir;\n\t\n\t        var iterIndex = -1,\n\t            value = array[index];\n\t\n\t        while (++iterIndex < iterLength) {\n\t          var data = iteratees[iterIndex],\n\t              iteratee = data.iteratee,\n\t              type = data.type,\n\t              computed = iteratee(value);\n\t\n\t          if (type == LAZY_MAP_FLAG) {\n\t            value = computed;\n\t          } else if (!computed) {\n\t            if (type == LAZY_FILTER_FLAG) {\n\t              continue outer;\n\t            } else {\n\t              break outer;\n\t            }\n\t          }\n\t        }\n\t        result[resIndex++] = value;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n\t    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n\t    LazyWrapper.prototype.constructor = LazyWrapper;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a hash object.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function Hash(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the hash.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf Hash\n\t     */\n\t    function hashClear() {\n\t      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the hash.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf Hash\n\t     * @param {Object} hash The hash to modify.\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function hashDelete(key) {\n\t      var result = this.has(key) && delete this.__data__[key];\n\t      this.size -= result ? 1 : 0;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the hash value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function hashGet(key) {\n\t      var data = this.__data__;\n\t      if (nativeCreate) {\n\t        var result = data[key];\n\t        return result === HASH_UNDEFINED ? undefined : result;\n\t      }\n\t      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n\t    }\n\t\n\t    /**\n\t     * Checks if a hash value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function hashHas(key) {\n\t      var data = this.__data__;\n\t      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n\t    }\n\t\n\t    /**\n\t     * Sets the hash `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the hash instance.\n\t     */\n\t    function hashSet(key, value) {\n\t      var data = this.__data__;\n\t      this.size += this.has(key) ? 0 : 1;\n\t      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `Hash`.\n\t    Hash.prototype.clear = hashClear;\n\t    Hash.prototype['delete'] = hashDelete;\n\t    Hash.prototype.get = hashGet;\n\t    Hash.prototype.has = hashHas;\n\t    Hash.prototype.set = hashSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an list cache object.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function ListCache(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the list cache.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf ListCache\n\t     */\n\t    function listCacheClear() {\n\t      this.__data__ = [];\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the list cache.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function listCacheDelete(key) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      if (index < 0) {\n\t        return false;\n\t      }\n\t      var lastIndex = data.length - 1;\n\t      if (index == lastIndex) {\n\t        data.pop();\n\t      } else {\n\t        splice.call(data, index, 1);\n\t      }\n\t      --this.size;\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Gets the list cache value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function listCacheGet(key) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      return index < 0 ? undefined : data[index][1];\n\t    }\n\t\n\t    /**\n\t     * Checks if a list cache value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function listCacheHas(key) {\n\t      return assocIndexOf(this.__data__, key) > -1;\n\t    }\n\t\n\t    /**\n\t     * Sets the list cache `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the list cache instance.\n\t     */\n\t    function listCacheSet(key, value) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      if (index < 0) {\n\t        ++this.size;\n\t        data.push([key, value]);\n\t      } else {\n\t        data[index][1] = value;\n\t      }\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `ListCache`.\n\t    ListCache.prototype.clear = listCacheClear;\n\t    ListCache.prototype['delete'] = listCacheDelete;\n\t    ListCache.prototype.get = listCacheGet;\n\t    ListCache.prototype.has = listCacheHas;\n\t    ListCache.prototype.set = listCacheSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a map cache object to store key-value pairs.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function MapCache(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the map.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf MapCache\n\t     */\n\t    function mapCacheClear() {\n\t      this.size = 0;\n\t      this.__data__ = {\n\t        'hash': new Hash,\n\t        'map': new (Map || ListCache),\n\t        'string': new Hash\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the map.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function mapCacheDelete(key) {\n\t      var result = getMapData(this, key)['delete'](key);\n\t      this.size -= result ? 1 : 0;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the map value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function mapCacheGet(key) {\n\t      return getMapData(this, key).get(key);\n\t    }\n\t\n\t    /**\n\t     * Checks if a map value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function mapCacheHas(key) {\n\t      return getMapData(this, key).has(key);\n\t    }\n\t\n\t    /**\n\t     * Sets the map `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the map cache instance.\n\t     */\n\t    function mapCacheSet(key, value) {\n\t      var data = getMapData(this, key),\n\t          size = data.size;\n\t\n\t      data.set(key, value);\n\t      this.size += data.size == size ? 0 : 1;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `MapCache`.\n\t    MapCache.prototype.clear = mapCacheClear;\n\t    MapCache.prototype['delete'] = mapCacheDelete;\n\t    MapCache.prototype.get = mapCacheGet;\n\t    MapCache.prototype.has = mapCacheHas;\n\t    MapCache.prototype.set = mapCacheSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     *\n\t     * Creates an array cache object to store unique values.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [values] The values to cache.\n\t     */\n\t    function SetCache(values) {\n\t      var index = -1,\n\t          length = values == null ? 0 : values.length;\n\t\n\t      this.__data__ = new MapCache;\n\t      while (++index < length) {\n\t        this.add(values[index]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Adds `value` to the array cache.\n\t     *\n\t     * @private\n\t     * @name add\n\t     * @memberOf SetCache\n\t     * @alias push\n\t     * @param {*} value The value to cache.\n\t     * @returns {Object} Returns the cache instance.\n\t     */\n\t    function setCacheAdd(value) {\n\t      this.__data__.set(value, HASH_UNDEFINED);\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is in the array cache.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf SetCache\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns `true` if `value` is found, else `false`.\n\t     */\n\t    function setCacheHas(value) {\n\t      return this.__data__.has(value);\n\t    }\n\t\n\t    // Add methods to `SetCache`.\n\t    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n\t    SetCache.prototype.has = setCacheHas;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a stack cache object to store key-value pairs.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function Stack(entries) {\n\t      var data = this.__data__ = new ListCache(entries);\n\t      this.size = data.size;\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the stack.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf Stack\n\t     */\n\t    function stackClear() {\n\t      this.__data__ = new ListCache;\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the stack.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function stackDelete(key) {\n\t      var data = this.__data__,\n\t          result = data['delete'](key);\n\t\n\t      this.size = data.size;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the stack value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function stackGet(key) {\n\t      return this.__data__.get(key);\n\t    }\n\t\n\t    /**\n\t     * Checks if a stack value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function stackHas(key) {\n\t      return this.__data__.has(key);\n\t    }\n\t\n\t    /**\n\t     * Sets the stack `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the stack cache instance.\n\t     */\n\t    function stackSet(key, value) {\n\t      var data = this.__data__;\n\t      if (data instanceof ListCache) {\n\t        var pairs = data.__data__;\n\t        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n\t          pairs.push([key, value]);\n\t          this.size = ++data.size;\n\t          return this;\n\t        }\n\t        data = this.__data__ = new MapCache(pairs);\n\t      }\n\t      data.set(key, value);\n\t      this.size = data.size;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `Stack`.\n\t    Stack.prototype.clear = stackClear;\n\t    Stack.prototype['delete'] = stackDelete;\n\t    Stack.prototype.get = stackGet;\n\t    Stack.prototype.has = stackHas;\n\t    Stack.prototype.set = stackSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an array of the enumerable property names of the array-like `value`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @param {boolean} inherited Specify returning inherited property names.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function arrayLikeKeys(value, inherited) {\n\t      var isArr = isArray(value),\n\t          isArg = !isArr && isArguments(value),\n\t          isBuff = !isArr && !isArg && isBuffer(value),\n\t          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n\t          skipIndexes = isArr || isArg || isBuff || isType,\n\t          result = skipIndexes ? baseTimes(value.length, String) : [],\n\t          length = result.length;\n\t\n\t      for (var key in value) {\n\t        if ((inherited || hasOwnProperty.call(value, key)) &&\n\t            !(skipIndexes && (\n\t               // Safari 9 has enumerable `arguments.length` in strict mode.\n\t               key == 'length' ||\n\t               // Node.js 0.10 has enumerable non-index properties on buffers.\n\t               (isBuff && (key == 'offset' || key == 'parent')) ||\n\t               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n\t               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n\t               // Skip index properties.\n\t               isIndex(key, length)\n\t            ))) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.sample` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to sample.\n\t     * @returns {*} Returns the random element.\n\t     */\n\t    function arraySample(array) {\n\t      var length = array.length;\n\t      return length ? array[baseRandom(0, length - 1)] : undefined;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.sampleSize` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to sample.\n\t     * @param {number} n The number of elements to sample.\n\t     * @returns {Array} Returns the random elements.\n\t     */\n\t    function arraySampleSize(array, n) {\n\t      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.shuffle` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     */\n\t    function arrayShuffle(array) {\n\t      return shuffleSelf(copyArray(array));\n\t    }\n\t\n\t    /**\n\t     * This function is like `assignValue` except that it doesn't assign\n\t     * `undefined` values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function assignMergeValue(object, key, value) {\n\t      if ((value !== undefined && !eq(object[key], value)) ||\n\t          (value === undefined && !(key in object))) {\n\t        baseAssignValue(object, key, value);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function assignValue(object, key, value) {\n\t      var objValue = object[key];\n\t      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n\t          (value === undefined && !(key in object))) {\n\t        baseAssignValue(object, key, value);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Gets the index at which the `key` is found in `array` of key-value pairs.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} key The key to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     */\n\t    function assocIndexOf(array, key) {\n\t      var length = array.length;\n\t      while (length--) {\n\t        if (eq(array[length][0], key)) {\n\t          return length;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * Aggregates elements of `collection` on `accumulator` with keys transformed\n\t     * by `iteratee` and values set by `setter`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} setter The function to set `accumulator` values.\n\t     * @param {Function} iteratee The iteratee to transform keys.\n\t     * @param {Object} accumulator The initial aggregated object.\n\t     * @returns {Function} Returns `accumulator`.\n\t     */\n\t    function baseAggregator(collection, setter, iteratee, accumulator) {\n\t      baseEach(collection, function(value, key, collection) {\n\t        setter(accumulator, value, iteratee(value), collection);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.assign` without support for multiple sources\n\t     * or `customizer` functions.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseAssign(object, source) {\n\t      return object && copyObject(source, keys(source), object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.assignIn` without support for multiple sources\n\t     * or `customizer` functions.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseAssignIn(object, source) {\n\t      return object && copyObject(source, keysIn(source), object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `assignValue` and `assignMergeValue` without\n\t     * value checks.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function baseAssignValue(object, key, value) {\n\t      if (key == '__proto__' && defineProperty) {\n\t        defineProperty(object, key, {\n\t          'configurable': true,\n\t          'enumerable': true,\n\t          'value': value,\n\t          'writable': true\n\t        });\n\t      } else {\n\t        object[key] = value;\n\t      }\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.at` without support for individual paths.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @returns {Array} Returns the picked elements.\n\t     */\n\t    function baseAt(object, paths) {\n\t      var index = -1,\n\t          length = paths.length,\n\t          result = Array(length),\n\t          skip = object == null;\n\t\n\t      while (++index < length) {\n\t        result[index] = skip ? undefined : get(object, paths[index]);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.clamp` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} number The number to clamp.\n\t     * @param {number} [lower] The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the clamped number.\n\t     */\n\t    function baseClamp(number, lower, upper) {\n\t      if (number === number) {\n\t        if (upper !== undefined) {\n\t          number = number <= upper ? number : upper;\n\t        }\n\t        if (lower !== undefined) {\n\t          number = number >= lower ? number : lower;\n\t        }\n\t      }\n\t      return number;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n\t     * traversed objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to clone.\n\t     * @param {boolean} bitmask The bitmask flags.\n\t     *  1 - Deep clone\n\t     *  2 - Flatten inherited properties\n\t     *  4 - Clone symbols\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @param {string} [key] The key of `value`.\n\t     * @param {Object} [object] The parent object of `value`.\n\t     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n\t     * @returns {*} Returns the cloned value.\n\t     */\n\t    function baseClone(value, bitmask, customizer, key, object, stack) {\n\t      var result,\n\t          isDeep = bitmask & CLONE_DEEP_FLAG,\n\t          isFlat = bitmask & CLONE_FLAT_FLAG,\n\t          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\t\n\t      if (customizer) {\n\t        result = object ? customizer(value, key, object, stack) : customizer(value);\n\t      }\n\t      if (result !== undefined) {\n\t        return result;\n\t      }\n\t      if (!isObject(value)) {\n\t        return value;\n\t      }\n\t      var isArr = isArray(value);\n\t      if (isArr) {\n\t        result = initCloneArray(value);\n\t        if (!isDeep) {\n\t          return copyArray(value, result);\n\t        }\n\t      } else {\n\t        var tag = getTag(value),\n\t            isFunc = tag == funcTag || tag == genTag;\n\t\n\t        if (isBuffer(value)) {\n\t          return cloneBuffer(value, isDeep);\n\t        }\n\t        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n\t          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n\t          if (!isDeep) {\n\t            return isFlat\n\t              ? copySymbolsIn(value, baseAssignIn(result, value))\n\t              : copySymbols(value, baseAssign(result, value));\n\t          }\n\t        } else {\n\t          if (!cloneableTags[tag]) {\n\t            return object ? value : {};\n\t          }\n\t          result = initCloneByTag(value, tag, baseClone, isDeep);\n\t        }\n\t      }\n\t      // Check for circular references and return its corresponding clone.\n\t      stack || (stack = new Stack);\n\t      var stacked = stack.get(value);\n\t      if (stacked) {\n\t        return stacked;\n\t      }\n\t      stack.set(value, result);\n\t\n\t      var keysFunc = isFull\n\t        ? (isFlat ? getAllKeysIn : getAllKeys)\n\t        : (isFlat ? keysIn : keys);\n\t\n\t      var props = isArr ? undefined : keysFunc(value);\n\t      arrayEach(props || value, function(subValue, key) {\n\t        if (props) {\n\t          key = subValue;\n\t          subValue = value[key];\n\t        }\n\t        // Recursively populate clone (susceptible to call stack limits).\n\t        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.conforms` which doesn't clone `source`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseConforms(source) {\n\t      var props = keys(source);\n\t      return function(object) {\n\t        return baseConformsTo(object, source, props);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.conformsTo` which accepts `props` to check.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n\t     */\n\t    function baseConformsTo(object, source, props) {\n\t      var length = props.length;\n\t      if (object == null) {\n\t        return !length;\n\t      }\n\t      object = Object(object);\n\t      while (length--) {\n\t        var key = props[length],\n\t            predicate = source[key],\n\t            value = object[key];\n\t\n\t        if ((value === undefined && !(key in object)) || !predicate(value)) {\n\t          return false;\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n\t     * to provide to `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @param {Array} args The arguments to provide to `func`.\n\t     * @returns {number|Object} Returns the timer id or timeout object.\n\t     */\n\t    function baseDelay(func, wait, args) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      return setTimeout(function() { func.apply(undefined, args); }, wait);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.difference` without support\n\t     * for excluding multiple arrays or iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Array} values The values to exclude.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     */\n\t    function baseDifference(array, values, iteratee, comparator) {\n\t      var index = -1,\n\t          includes = arrayIncludes,\n\t          isCommon = true,\n\t          length = array.length,\n\t          result = [],\n\t          valuesLength = values.length;\n\t\n\t      if (!length) {\n\t        return result;\n\t      }\n\t      if (iteratee) {\n\t        values = arrayMap(values, baseUnary(iteratee));\n\t      }\n\t      if (comparator) {\n\t        includes = arrayIncludesWith;\n\t        isCommon = false;\n\t      }\n\t      else if (values.length >= LARGE_ARRAY_SIZE) {\n\t        includes = cacheHas;\n\t        isCommon = false;\n\t        values = new SetCache(values);\n\t      }\n\t      outer:\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee == null ? value : iteratee(value);\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (isCommon && computed === computed) {\n\t          var valuesIndex = valuesLength;\n\t          while (valuesIndex--) {\n\t            if (values[valuesIndex] === computed) {\n\t              continue outer;\n\t            }\n\t          }\n\t          result.push(value);\n\t        }\n\t        else if (!includes(values, computed, comparator)) {\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.forEach` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     */\n\t    var baseEach = createBaseEach(baseForOwn);\n\t\n\t    /**\n\t     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     */\n\t    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\t\n\t    /**\n\t     * The base implementation of `_.every` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t     *  else `false`\n\t     */\n\t    function baseEvery(collection, predicate) {\n\t      var result = true;\n\t      baseEach(collection, function(value, index, collection) {\n\t        result = !!predicate(value, index, collection);\n\t        return result;\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.max` and `_.min` which accepts a\n\t     * `comparator` to determine the extremum value.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} iteratee The iteratee invoked per iteration.\n\t     * @param {Function} comparator The comparator used to compare values.\n\t     * @returns {*} Returns the extremum value.\n\t     */\n\t    function baseExtremum(array, iteratee, comparator) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            current = iteratee(value);\n\t\n\t        if (current != null && (computed === undefined\n\t              ? (current === current && !isSymbol(current))\n\t              : comparator(current, computed)\n\t            )) {\n\t          var computed = current,\n\t              result = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.fill` without an iteratee call guard.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to fill.\n\t     * @param {*} value The value to fill `array` with.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function baseFill(array, value, start, end) {\n\t      var length = array.length;\n\t\n\t      start = toInteger(start);\n\t      if (start < 0) {\n\t        start = -start > length ? 0 : (length + start);\n\t      }\n\t      end = (end === undefined || end > length) ? length : toInteger(end);\n\t      if (end < 0) {\n\t        end += length;\n\t      }\n\t      end = start > end ? 0 : toLength(end);\n\t      while (start < end) {\n\t        array[start++] = value;\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.filter` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     */\n\t    function baseFilter(collection, predicate) {\n\t      var result = [];\n\t      baseEach(collection, function(value, index, collection) {\n\t        if (predicate(value, index, collection)) {\n\t          result.push(value);\n\t        }\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.flatten` with support for restricting flattening.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to flatten.\n\t     * @param {number} depth The maximum recursion depth.\n\t     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n\t     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n\t     * @param {Array} [result=[]] The initial result value.\n\t     * @returns {Array} Returns the new flattened array.\n\t     */\n\t    function baseFlatten(array, depth, predicate, isStrict, result) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      predicate || (predicate = isFlattenable);\n\t      result || (result = []);\n\t\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (depth > 0 && predicate(value)) {\n\t          if (depth > 1) {\n\t            // Recursively flatten arrays (susceptible to call stack limits).\n\t            baseFlatten(value, depth - 1, predicate, isStrict, result);\n\t          } else {\n\t            arrayPush(result, value);\n\t          }\n\t        } else if (!isStrict) {\n\t          result[result.length] = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `baseForOwn` which iterates over `object`\n\t     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    var baseFor = createBaseFor();\n\t\n\t    /**\n\t     * This function is like `baseFor` except that it iterates over properties\n\t     * in the opposite order.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    var baseForRight = createBaseFor(true);\n\t\n\t    /**\n\t     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseForOwn(object, iteratee) {\n\t      return object && baseFor(object, iteratee, keys);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseForOwnRight(object, iteratee) {\n\t      return object && baseForRight(object, iteratee, keys);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.functions` which creates an array of\n\t     * `object` function property names filtered from `props`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Array} props The property names to filter.\n\t     * @returns {Array} Returns the function names.\n\t     */\n\t    function baseFunctions(object, props) {\n\t      return arrayFilter(props, function(key) {\n\t        return isFunction(object[key]);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.get` without support for default values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {*} Returns the resolved value.\n\t     */\n\t    function baseGet(object, path) {\n\t      path = castPath(path, object);\n\t\n\t      var index = 0,\n\t          length = path.length;\n\t\n\t      while (object != null && index < length) {\n\t        object = object[toKey(path[index++])];\n\t      }\n\t      return (index && index == length) ? object : undefined;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n\t     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n\t     * symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n\t      var result = keysFunc(object);\n\t      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `getTag` without fallbacks for buggy environments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the `toStringTag`.\n\t     */\n\t    function baseGetTag(value) {\n\t      if (value == null) {\n\t        return value === undefined ? undefinedTag : nullTag;\n\t      }\n\t      return (symToStringTag && symToStringTag in Object(value))\n\t        ? getRawTag(value)\n\t        : objectToString(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.gt` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t     *  else `false`.\n\t     */\n\t    function baseGt(value, other) {\n\t      return value > other;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.has` without support for deep paths.\n\t     *\n\t     * @private\n\t     * @param {Object} [object] The object to query.\n\t     * @param {Array|string} key The key to check.\n\t     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n\t     */\n\t    function baseHas(object, key) {\n\t      return object != null && hasOwnProperty.call(object, key);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.hasIn` without support for deep paths.\n\t     *\n\t     * @private\n\t     * @param {Object} [object] The object to query.\n\t     * @param {Array|string} key The key to check.\n\t     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n\t     */\n\t    function baseHasIn(object, key) {\n\t      return object != null && key in Object(object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.inRange` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} number The number to check.\n\t     * @param {number} start The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t     */\n\t    function baseInRange(number, start, end) {\n\t      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.intersection`, without support\n\t     * for iteratee shorthands, that accepts an array of arrays to inspect.\n\t     *\n\t     * @private\n\t     * @param {Array} arrays The arrays to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of shared values.\n\t     */\n\t    function baseIntersection(arrays, iteratee, comparator) {\n\t      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n\t          length = arrays[0].length,\n\t          othLength = arrays.length,\n\t          othIndex = othLength,\n\t          caches = Array(othLength),\n\t          maxLength = Infinity,\n\t          result = [];\n\t\n\t      while (othIndex--) {\n\t        var array = arrays[othIndex];\n\t        if (othIndex && iteratee) {\n\t          array = arrayMap(array, baseUnary(iteratee));\n\t        }\n\t        maxLength = nativeMin(array.length, maxLength);\n\t        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n\t          ? new SetCache(othIndex && array)\n\t          : undefined;\n\t      }\n\t      array = arrays[0];\n\t\n\t      var index = -1,\n\t          seen = caches[0];\n\t\n\t      outer:\n\t      while (++index < length && result.length < maxLength) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (!(seen\n\t              ? cacheHas(seen, computed)\n\t              : includes(result, computed, comparator)\n\t            )) {\n\t          othIndex = othLength;\n\t          while (--othIndex) {\n\t            var cache = caches[othIndex];\n\t            if (!(cache\n\t                  ? cacheHas(cache, computed)\n\t                  : includes(arrays[othIndex], computed, comparator))\n\t                ) {\n\t              continue outer;\n\t            }\n\t          }\n\t          if (seen) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.invert` and `_.invertBy` which inverts\n\t     * `object` with values transformed by `iteratee` and set by `setter`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} setter The function to set `accumulator` values.\n\t     * @param {Function} iteratee The iteratee to transform values.\n\t     * @param {Object} accumulator The initial inverted object.\n\t     * @returns {Function} Returns `accumulator`.\n\t     */\n\t    function baseInverter(object, setter, iteratee, accumulator) {\n\t      baseForOwn(object, function(value, key, object) {\n\t        setter(accumulator, iteratee(value), key, object);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.invoke` without support for individual\n\t     * method arguments.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {Array} args The arguments to invoke the method with.\n\t     * @returns {*} Returns the result of the invoked method.\n\t     */\n\t    function baseInvoke(object, path, args) {\n\t      path = castPath(path, object);\n\t      object = parent(object, path);\n\t      var func = object == null ? object : object[toKey(last(path))];\n\t      return func == null ? undefined : apply(func, object, args);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isArguments`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n\t     */\n\t    function baseIsArguments(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == argsTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n\t     */\n\t    function baseIsArrayBuffer(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isDate` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n\t     */\n\t    function baseIsDate(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == dateTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isEqual` which supports partial comparisons\n\t     * and tracks traversed objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @param {boolean} bitmask The bitmask flags.\n\t     *  1 - Unordered comparison\n\t     *  2 - Partial comparison\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     */\n\t    function baseIsEqual(value, other, bitmask, customizer, stack) {\n\t      if (value === other) {\n\t        return true;\n\t      }\n\t      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n\t        return value !== value && other !== other;\n\t      }\n\t      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqual` for arrays and objects which performs\n\t     * deep comparisons and tracks traversed objects enabling objects with circular\n\t     * references to be compared.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n\t      var objIsArr = isArray(object),\n\t          othIsArr = isArray(other),\n\t          objTag = objIsArr ? arrayTag : getTag(object),\n\t          othTag = othIsArr ? arrayTag : getTag(other);\n\t\n\t      objTag = objTag == argsTag ? objectTag : objTag;\n\t      othTag = othTag == argsTag ? objectTag : othTag;\n\t\n\t      var objIsObj = objTag == objectTag,\n\t          othIsObj = othTag == objectTag,\n\t          isSameTag = objTag == othTag;\n\t\n\t      if (isSameTag && isBuffer(object)) {\n\t        if (!isBuffer(other)) {\n\t          return false;\n\t        }\n\t        objIsArr = true;\n\t        objIsObj = false;\n\t      }\n\t      if (isSameTag && !objIsObj) {\n\t        stack || (stack = new Stack);\n\t        return (objIsArr || isTypedArray(object))\n\t          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n\t          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n\t      }\n\t      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n\t        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n\t            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\t\n\t        if (objIsWrapped || othIsWrapped) {\n\t          var objUnwrapped = objIsWrapped ? object.value() : object,\n\t              othUnwrapped = othIsWrapped ? other.value() : other;\n\t\n\t          stack || (stack = new Stack);\n\t          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n\t        }\n\t      }\n\t      if (!isSameTag) {\n\t        return false;\n\t      }\n\t      stack || (stack = new Stack);\n\t      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isMap` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n\t     */\n\t    function baseIsMap(value) {\n\t      return isObjectLike(value) && getTag(value) == mapTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @param {Array} matchData The property names, values, and compare flags to match.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     */\n\t    function baseIsMatch(object, source, matchData, customizer) {\n\t      var index = matchData.length,\n\t          length = index,\n\t          noCustomizer = !customizer;\n\t\n\t      if (object == null) {\n\t        return !length;\n\t      }\n\t      object = Object(object);\n\t      while (index--) {\n\t        var data = matchData[index];\n\t        if ((noCustomizer && data[2])\n\t              ? data[1] !== object[data[0]]\n\t              : !(data[0] in object)\n\t            ) {\n\t          return false;\n\t        }\n\t      }\n\t      while (++index < length) {\n\t        data = matchData[index];\n\t        var key = data[0],\n\t            objValue = object[key],\n\t            srcValue = data[1];\n\t\n\t        if (noCustomizer && data[2]) {\n\t          if (objValue === undefined && !(key in object)) {\n\t            return false;\n\t          }\n\t        } else {\n\t          var stack = new Stack;\n\t          if (customizer) {\n\t            var result = customizer(objValue, srcValue, key, object, source, stack);\n\t          }\n\t          if (!(result === undefined\n\t                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n\t                : result\n\t              )) {\n\t            return false;\n\t          }\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isNative` without bad shim checks.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a native function,\n\t     *  else `false`.\n\t     */\n\t    function baseIsNative(value) {\n\t      if (!isObject(value) || isMasked(value)) {\n\t        return false;\n\t      }\n\t      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n\t      return pattern.test(toSource(value));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isRegExp` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n\t     */\n\t    function baseIsRegExp(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isSet` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n\t     */\n\t    function baseIsSet(value) {\n\t      return isObjectLike(value) && getTag(value) == setTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n\t     */\n\t    function baseIsTypedArray(value) {\n\t      return isObjectLike(value) &&\n\t        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.iteratee`.\n\t     *\n\t     * @private\n\t     * @param {*} [value=_.identity] The value to convert to an iteratee.\n\t     * @returns {Function} Returns the iteratee.\n\t     */\n\t    function baseIteratee(value) {\n\t      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n\t      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n\t      if (typeof value == 'function') {\n\t        return value;\n\t      }\n\t      if (value == null) {\n\t        return identity;\n\t      }\n\t      if (typeof value == 'object') {\n\t        return isArray(value)\n\t          ? baseMatchesProperty(value[0], value[1])\n\t          : baseMatches(value);\n\t      }\n\t      return property(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function baseKeys(object) {\n\t      if (!isPrototype(object)) {\n\t        return nativeKeys(object);\n\t      }\n\t      var result = [];\n\t      for (var key in Object(object)) {\n\t        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function baseKeysIn(object) {\n\t      if (!isObject(object)) {\n\t        return nativeKeysIn(object);\n\t      }\n\t      var isProto = isPrototype(object),\n\t          result = [];\n\t\n\t      for (var key in object) {\n\t        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.lt` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t     *  else `false`.\n\t     */\n\t    function baseLt(value, other) {\n\t      return value < other;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.map` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array} Returns the new mapped array.\n\t     */\n\t    function baseMap(collection, iteratee) {\n\t      var index = -1,\n\t          result = isArrayLike(collection) ? Array(collection.length) : [];\n\t\n\t      baseEach(collection, function(value, key, collection) {\n\t        result[++index] = iteratee(value, key, collection);\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.matches` which doesn't clone `source`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseMatches(source) {\n\t      var matchData = getMatchData(source);\n\t      if (matchData.length == 1 && matchData[0][2]) {\n\t        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n\t      }\n\t      return function(object) {\n\t        return object === source || baseIsMatch(object, source, matchData);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n\t     *\n\t     * @private\n\t     * @param {string} path The path of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseMatchesProperty(path, srcValue) {\n\t      if (isKey(path) && isStrictComparable(srcValue)) {\n\t        return matchesStrictComparable(toKey(path), srcValue);\n\t      }\n\t      return function(object) {\n\t        var objValue = get(object, path);\n\t        return (objValue === undefined && objValue === srcValue)\n\t          ? hasIn(object, path)\n\t          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.merge` without support for multiple sources.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @param {number} srcIndex The index of `source`.\n\t     * @param {Function} [customizer] The function to customize merged values.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     */\n\t    function baseMerge(object, source, srcIndex, customizer, stack) {\n\t      if (object === source) {\n\t        return;\n\t      }\n\t      baseFor(source, function(srcValue, key) {\n\t        if (isObject(srcValue)) {\n\t          stack || (stack = new Stack);\n\t          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n\t        }\n\t        else {\n\t          var newValue = customizer\n\t            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n\t            : undefined;\n\t\n\t          if (newValue === undefined) {\n\t            newValue = srcValue;\n\t          }\n\t          assignMergeValue(object, key, newValue);\n\t        }\n\t      }, keysIn);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseMerge` for arrays and objects which performs\n\t     * deep merges and tracks traversed objects enabling objects with circular\n\t     * references to be merged.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @param {string} key The key of the value to merge.\n\t     * @param {number} srcIndex The index of `source`.\n\t     * @param {Function} mergeFunc The function to merge values.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     */\n\t    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n\t      var objValue = object[key],\n\t          srcValue = source[key],\n\t          stacked = stack.get(srcValue);\n\t\n\t      if (stacked) {\n\t        assignMergeValue(object, key, stacked);\n\t        return;\n\t      }\n\t      var newValue = customizer\n\t        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n\t        : undefined;\n\t\n\t      var isCommon = newValue === undefined;\n\t\n\t      if (isCommon) {\n\t        var isArr = isArray(srcValue),\n\t            isBuff = !isArr && isBuffer(srcValue),\n\t            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\t\n\t        newValue = srcValue;\n\t        if (isArr || isBuff || isTyped) {\n\t          if (isArray(objValue)) {\n\t            newValue = objValue;\n\t          }\n\t          else if (isArrayLikeObject(objValue)) {\n\t            newValue = copyArray(objValue);\n\t          }\n\t          else if (isBuff) {\n\t            isCommon = false;\n\t            newValue = cloneBuffer(srcValue, true);\n\t          }\n\t          else if (isTyped) {\n\t            isCommon = false;\n\t            newValue = cloneTypedArray(srcValue, true);\n\t          }\n\t          else {\n\t            newValue = [];\n\t          }\n\t        }\n\t        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n\t          newValue = objValue;\n\t          if (isArguments(objValue)) {\n\t            newValue = toPlainObject(objValue);\n\t          }\n\t          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n\t            newValue = initCloneObject(srcValue);\n\t          }\n\t        }\n\t        else {\n\t          isCommon = false;\n\t        }\n\t      }\n\t      if (isCommon) {\n\t        // Recursively merge objects and arrays (susceptible to call stack limits).\n\t        stack.set(srcValue, newValue);\n\t        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n\t        stack['delete'](srcValue);\n\t      }\n\t      assignMergeValue(object, key, newValue);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.nth` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to query.\n\t     * @param {number} n The index of the element to return.\n\t     * @returns {*} Returns the nth element of `array`.\n\t     */\n\t    function baseNth(array, n) {\n\t      var length = array.length;\n\t      if (!length) {\n\t        return;\n\t      }\n\t      n += n < 0 ? length : 0;\n\t      return isIndex(n, length) ? array[n] : undefined;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.orderBy` without param guards.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n\t     * @param {string[]} orders The sort orders of `iteratees`.\n\t     * @returns {Array} Returns the new sorted array.\n\t     */\n\t    function baseOrderBy(collection, iteratees, orders) {\n\t      var index = -1;\n\t      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\t\n\t      var result = baseMap(collection, function(value, key, collection) {\n\t        var criteria = arrayMap(iteratees, function(iteratee) {\n\t          return iteratee(value);\n\t        });\n\t        return { 'criteria': criteria, 'index': ++index, 'value': value };\n\t      });\n\t\n\t      return baseSortBy(result, function(object, other) {\n\t        return compareMultiple(object, other, orders);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pick` without support for individual\n\t     * property identifiers.\n\t     *\n\t     * @private\n\t     * @param {Object} object The source object.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function basePick(object, paths) {\n\t      return basePickBy(object, paths, function(value, path) {\n\t        return hasIn(object, path);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The source object.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @param {Function} predicate The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function basePickBy(object, paths, predicate) {\n\t      var index = -1,\n\t          length = paths.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var path = paths[index],\n\t            value = baseGet(object, path);\n\t\n\t        if (predicate(value, path)) {\n\t          baseSet(result, castPath(path, object), value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseProperty` which supports deep paths.\n\t     *\n\t     * @private\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {Function} Returns the new accessor function.\n\t     */\n\t    function basePropertyDeep(path) {\n\t      return function(object) {\n\t        return baseGet(object, path);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pullAllBy` without support for iteratee\n\t     * shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function basePullAll(array, values, iteratee, comparator) {\n\t      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n\t          index = -1,\n\t          length = values.length,\n\t          seen = array;\n\t\n\t      if (array === values) {\n\t        values = copyArray(values);\n\t      }\n\t      if (iteratee) {\n\t        seen = arrayMap(array, baseUnary(iteratee));\n\t      }\n\t      while (++index < length) {\n\t        var fromIndex = 0,\n\t            value = values[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n\t          if (seen !== array) {\n\t            splice.call(seen, fromIndex, 1);\n\t          }\n\t          splice.call(array, fromIndex, 1);\n\t        }\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pullAt` without support for individual\n\t     * indexes or capturing the removed elements.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to modify.\n\t     * @param {number[]} indexes The indexes of elements to remove.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function basePullAt(array, indexes) {\n\t      var length = array ? indexes.length : 0,\n\t          lastIndex = length - 1;\n\t\n\t      while (length--) {\n\t        var index = indexes[length];\n\t        if (length == lastIndex || index !== previous) {\n\t          var previous = index;\n\t          if (isIndex(index)) {\n\t            splice.call(array, index, 1);\n\t          } else {\n\t            baseUnset(array, index);\n\t          }\n\t        }\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.random` without support for returning\n\t     * floating-point numbers.\n\t     *\n\t     * @private\n\t     * @param {number} lower The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the random number.\n\t     */\n\t    function baseRandom(lower, upper) {\n\t      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n\t     * coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} start The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} step The value to increment or decrement by.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Array} Returns the range of numbers.\n\t     */\n\t    function baseRange(start, end, step, fromRight) {\n\t      var index = -1,\n\t          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n\t          result = Array(length);\n\t\n\t      while (length--) {\n\t        result[fromRight ? length : ++index] = start;\n\t        start += step;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.repeat` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {string} string The string to repeat.\n\t     * @param {number} n The number of times to repeat the string.\n\t     * @returns {string} Returns the repeated string.\n\t     */\n\t    function baseRepeat(string, n) {\n\t      var result = '';\n\t      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n\t        return result;\n\t      }\n\t      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n\t      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n\t      do {\n\t        if (n % 2) {\n\t          result += string;\n\t        }\n\t        n = nativeFloor(n / 2);\n\t        if (n) {\n\t          string += string;\n\t        }\n\t      } while (n);\n\t\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function baseRest(func, start) {\n\t      return setToString(overRest(func, start, identity), func + '');\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sample`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @returns {*} Returns the random element.\n\t     */\n\t    function baseSample(collection) {\n\t      return arraySample(values(collection));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sampleSize` without param guards.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @param {number} n The number of elements to sample.\n\t     * @returns {Array} Returns the random elements.\n\t     */\n\t    function baseSampleSize(collection, n) {\n\t      var array = values(collection);\n\t      return shuffleSelf(array, baseClamp(n, 0, array.length));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.set`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @param {Function} [customizer] The function to customize path creation.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseSet(object, path, value, customizer) {\n\t      if (!isObject(object)) {\n\t        return object;\n\t      }\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length,\n\t          lastIndex = length - 1,\n\t          nested = object;\n\t\n\t      while (nested != null && ++index < length) {\n\t        var key = toKey(path[index]),\n\t            newValue = value;\n\t\n\t        if (index != lastIndex) {\n\t          var objValue = nested[key];\n\t          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n\t          if (newValue === undefined) {\n\t            newValue = isObject(objValue)\n\t              ? objValue\n\t              : (isIndex(path[index + 1]) ? [] : {});\n\t          }\n\t        }\n\t        assignValue(nested, key, newValue);\n\t        nested = nested[key];\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `setData` without support for hot loop shorting.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to associate metadata with.\n\t     * @param {*} data The metadata.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var baseSetData = !metaMap ? identity : function(func, data) {\n\t      metaMap.set(func, data);\n\t      return func;\n\t    };\n\t\n\t    /**\n\t     * The base implementation of `setToString` without support for hot loop shorting.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to modify.\n\t     * @param {Function} string The `toString` result.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var baseSetToString = !defineProperty ? identity : function(func, string) {\n\t      return defineProperty(func, 'toString', {\n\t        'configurable': true,\n\t        'enumerable': false,\n\t        'value': constant(string),\n\t        'writable': true\n\t      });\n\t    };\n\t\n\t    /**\n\t     * The base implementation of `_.shuffle`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     */\n\t    function baseShuffle(collection) {\n\t      return shuffleSelf(values(collection));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.slice` without an iteratee call guard.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to slice.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function baseSlice(array, start, end) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      if (start < 0) {\n\t        start = -start > length ? 0 : (length + start);\n\t      }\n\t      end = end > length ? length : end;\n\t      if (end < 0) {\n\t        end += length;\n\t      }\n\t      length = start > end ? 0 : ((end - start) >>> 0);\n\t      start >>>= 0;\n\t\n\t      var result = Array(length);\n\t      while (++index < length) {\n\t        result[index] = array[index + start];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.some` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t     *  else `false`.\n\t     */\n\t    function baseSome(collection, predicate) {\n\t      var result;\n\t\n\t      baseEach(collection, function(value, index, collection) {\n\t        result = predicate(value, index, collection);\n\t        return !result;\n\t      });\n\t      return !!result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n\t     * performs a binary search of `array` to determine the index at which `value`\n\t     * should be inserted into `array` in order to maintain its sort order.\n\t     *\n\t     * @private\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     */\n\t    function baseSortedIndex(array, value, retHighest) {\n\t      var low = 0,\n\t          high = array == null ? low : array.length;\n\t\n\t      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n\t        while (low < high) {\n\t          var mid = (low + high) >>> 1,\n\t              computed = array[mid];\n\t\n\t          if (computed !== null && !isSymbol(computed) &&\n\t              (retHighest ? (computed <= value) : (computed < value))) {\n\t            low = mid + 1;\n\t          } else {\n\t            high = mid;\n\t          }\n\t        }\n\t        return high;\n\t      }\n\t      return baseSortedIndexBy(array, value, identity, retHighest);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n\t     * which invokes `iteratee` for `value` and each element of `array` to compute\n\t     * their sort ranking. The iteratee is invoked with one argument; (value).\n\t     *\n\t     * @private\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} iteratee The iteratee invoked per element.\n\t     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     */\n\t    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n\t      value = iteratee(value);\n\t\n\t      var low = 0,\n\t          high = array == null ? 0 : array.length,\n\t          valIsNaN = value !== value,\n\t          valIsNull = value === null,\n\t          valIsSymbol = isSymbol(value),\n\t          valIsUndefined = value === undefined;\n\t\n\t      while (low < high) {\n\t        var mid = nativeFloor((low + high) / 2),\n\t            computed = iteratee(array[mid]),\n\t            othIsDefined = computed !== undefined,\n\t            othIsNull = computed === null,\n\t            othIsReflexive = computed === computed,\n\t            othIsSymbol = isSymbol(computed);\n\t\n\t        if (valIsNaN) {\n\t          var setLow = retHighest || othIsReflexive;\n\t        } else if (valIsUndefined) {\n\t          setLow = othIsReflexive && (retHighest || othIsDefined);\n\t        } else if (valIsNull) {\n\t          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n\t        } else if (valIsSymbol) {\n\t          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n\t        } else if (othIsNull || othIsSymbol) {\n\t          setLow = false;\n\t        } else {\n\t          setLow = retHighest ? (computed <= value) : (computed < value);\n\t        }\n\t        if (setLow) {\n\t          low = mid + 1;\n\t        } else {\n\t          high = mid;\n\t        }\n\t      }\n\t      return nativeMin(high, MAX_ARRAY_INDEX);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n\t     * support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     */\n\t    function baseSortedUniq(array, iteratee) {\n\t      var index = -1,\n\t          length = array.length,\n\t          resIndex = 0,\n\t          result = [];\n\t\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        if (!index || !eq(computed, seen)) {\n\t          var seen = computed;\n\t          result[resIndex++] = value === 0 ? 0 : value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.toNumber` which doesn't ensure correct\n\t     * conversions of binary, hexadecimal, or octal string values.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to process.\n\t     * @returns {number} Returns the number.\n\t     */\n\t    function baseToNumber(value) {\n\t      if (typeof value == 'number') {\n\t        return value;\n\t      }\n\t      if (isSymbol(value)) {\n\t        return NAN;\n\t      }\n\t      return +value;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.toString` which doesn't convert nullish\n\t     * values to empty strings.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to process.\n\t     * @returns {string} Returns the string.\n\t     */\n\t    function baseToString(value) {\n\t      // Exit early for strings to avoid a performance hit in some environments.\n\t      if (typeof value == 'string') {\n\t        return value;\n\t      }\n\t      if (isArray(value)) {\n\t        // Recursively convert values (susceptible to call stack limits).\n\t        return arrayMap(value, baseToString) + '';\n\t      }\n\t      if (isSymbol(value)) {\n\t        return symbolToString ? symbolToString.call(value) : '';\n\t      }\n\t      var result = (value + '');\n\t      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     */\n\t    function baseUniq(array, iteratee, comparator) {\n\t      var index = -1,\n\t          includes = arrayIncludes,\n\t          length = array.length,\n\t          isCommon = true,\n\t          result = [],\n\t          seen = result;\n\t\n\t      if (comparator) {\n\t        isCommon = false;\n\t        includes = arrayIncludesWith;\n\t      }\n\t      else if (length >= LARGE_ARRAY_SIZE) {\n\t        var set = iteratee ? null : createSet(array);\n\t        if (set) {\n\t          return setToArray(set);\n\t        }\n\t        isCommon = false;\n\t        includes = cacheHas;\n\t        seen = new SetCache;\n\t      }\n\t      else {\n\t        seen = iteratee ? [] : result;\n\t      }\n\t      outer:\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (isCommon && computed === computed) {\n\t          var seenIndex = seen.length;\n\t          while (seenIndex--) {\n\t            if (seen[seenIndex] === computed) {\n\t              continue outer;\n\t            }\n\t          }\n\t          if (iteratee) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t        else if (!includes(seen, computed, comparator)) {\n\t          if (seen !== result) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.unset`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The property path to unset.\n\t     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t     */\n\t    function baseUnset(object, path) {\n\t      path = castPath(path, object);\n\t      object = parent(object, path);\n\t      return object == null || delete object[toKey(last(path))];\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.update`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to update.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @param {Function} [customizer] The function to customize path creation.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseUpdate(object, path, updater, customizer) {\n\t      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n\t     * without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function baseWhile(array, predicate, isDrop, fromRight) {\n\t      var length = array.length,\n\t          index = fromRight ? length : -1;\n\t\n\t      while ((fromRight ? index-- : ++index < length) &&\n\t        predicate(array[index], index, array)) {}\n\t\n\t      return isDrop\n\t        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n\t        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `wrapperValue` which returns the result of\n\t     * performing a sequence of actions on the unwrapped `value`, where each\n\t     * successive action is supplied the return value of the previous.\n\t     *\n\t     * @private\n\t     * @param {*} value The unwrapped value.\n\t     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n\t     * @returns {*} Returns the resolved value.\n\t     */\n\t    function baseWrapperValue(value, actions) {\n\t      var result = value;\n\t      if (result instanceof LazyWrapper) {\n\t        result = result.value();\n\t      }\n\t      return arrayReduce(actions, function(result, action) {\n\t        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n\t      }, result);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.xor`, without support for\n\t     * iteratee shorthands, that accepts an array of arrays to inspect.\n\t     *\n\t     * @private\n\t     * @param {Array} arrays The arrays to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of values.\n\t     */\n\t    function baseXor(arrays, iteratee, comparator) {\n\t      var length = arrays.length;\n\t      if (length < 2) {\n\t        return length ? baseUniq(arrays[0]) : [];\n\t      }\n\t      var index = -1,\n\t          result = Array(length);\n\t\n\t      while (++index < length) {\n\t        var array = arrays[index],\n\t            othIndex = -1;\n\t\n\t        while (++othIndex < length) {\n\t          if (othIndex != index) {\n\t            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n\t          }\n\t        }\n\t      }\n\t      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n\t    }\n\t\n\t    /**\n\t     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n\t     *\n\t     * @private\n\t     * @param {Array} props The property identifiers.\n\t     * @param {Array} values The property values.\n\t     * @param {Function} assignFunc The function to assign values.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function baseZipObject(props, values, assignFunc) {\n\t      var index = -1,\n\t          length = props.length,\n\t          valsLength = values.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var value = index < valsLength ? values[index] : undefined;\n\t        assignFunc(result, props[index], value);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to an empty array if it's not an array like object.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Array|Object} Returns the cast array-like object.\n\t     */\n\t    function castArrayLikeObject(value) {\n\t      return isArrayLikeObject(value) ? value : [];\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to `identity` if it's not a function.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Function} Returns cast function.\n\t     */\n\t    function castFunction(value) {\n\t      return typeof value == 'function' ? value : identity;\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to a path array if it's not one.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @param {Object} [object] The object to query keys on.\n\t     * @returns {Array} Returns the cast property path array.\n\t     */\n\t    function castPath(value, object) {\n\t      if (isArray(value)) {\n\t        return value;\n\t      }\n\t      return isKey(value, object) ? [value] : stringToPath(toString(value));\n\t    }\n\t\n\t    /**\n\t     * A `baseRest` alias which can be replaced with `identity` by module\n\t     * replacement plugins.\n\t     *\n\t     * @private\n\t     * @type {Function}\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    var castRest = baseRest;\n\t\n\t    /**\n\t     * Casts `array` to a slice if it's needed.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {number} start The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the cast slice.\n\t     */\n\t    function castSlice(array, start, end) {\n\t      var length = array.length;\n\t      end = end === undefined ? length : end;\n\t      return (!start && end >= length) ? array : baseSlice(array, start, end);\n\t    }\n\t\n\t    /**\n\t     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n\t     *\n\t     * @private\n\t     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n\t     */\n\t    var clearTimeout = ctxClearTimeout || function(id) {\n\t      return root.clearTimeout(id);\n\t    };\n\t\n\t    /**\n\t     * Creates a clone of  `buffer`.\n\t     *\n\t     * @private\n\t     * @param {Buffer} buffer The buffer to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Buffer} Returns the cloned buffer.\n\t     */\n\t    function cloneBuffer(buffer, isDeep) {\n\t      if (isDeep) {\n\t        return buffer.slice();\n\t      }\n\t      var length = buffer.length,\n\t          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\t\n\t      buffer.copy(result);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `arrayBuffer`.\n\t     *\n\t     * @private\n\t     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n\t     * @returns {ArrayBuffer} Returns the cloned array buffer.\n\t     */\n\t    function cloneArrayBuffer(arrayBuffer) {\n\t      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n\t      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `dataView`.\n\t     *\n\t     * @private\n\t     * @param {Object} dataView The data view to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned data view.\n\t     */\n\t    function cloneDataView(dataView, isDeep) {\n\t      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n\t      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `map`.\n\t     *\n\t     * @private\n\t     * @param {Object} map The map to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned map.\n\t     */\n\t    function cloneMap(map, isDeep, cloneFunc) {\n\t      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n\t      return arrayReduce(array, addMapEntry, new map.constructor);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `regexp`.\n\t     *\n\t     * @private\n\t     * @param {Object} regexp The regexp to clone.\n\t     * @returns {Object} Returns the cloned regexp.\n\t     */\n\t    function cloneRegExp(regexp) {\n\t      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n\t      result.lastIndex = regexp.lastIndex;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `set`.\n\t     *\n\t     * @private\n\t     * @param {Object} set The set to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned set.\n\t     */\n\t    function cloneSet(set, isDeep, cloneFunc) {\n\t      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n\t      return arrayReduce(array, addSetEntry, new set.constructor);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the `symbol` object.\n\t     *\n\t     * @private\n\t     * @param {Object} symbol The symbol object to clone.\n\t     * @returns {Object} Returns the cloned symbol object.\n\t     */\n\t    function cloneSymbol(symbol) {\n\t      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `typedArray`.\n\t     *\n\t     * @private\n\t     * @param {Object} typedArray The typed array to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned typed array.\n\t     */\n\t    function cloneTypedArray(typedArray, isDeep) {\n\t      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n\t      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n\t    }\n\t\n\t    /**\n\t     * Compares values to sort them in ascending order.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {number} Returns the sort order indicator for `value`.\n\t     */\n\t    function compareAscending(value, other) {\n\t      if (value !== other) {\n\t        var valIsDefined = value !== undefined,\n\t            valIsNull = value === null,\n\t            valIsReflexive = value === value,\n\t            valIsSymbol = isSymbol(value);\n\t\n\t        var othIsDefined = other !== undefined,\n\t            othIsNull = other === null,\n\t            othIsReflexive = other === other,\n\t            othIsSymbol = isSymbol(other);\n\t\n\t        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n\t            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n\t            (valIsNull && othIsDefined && othIsReflexive) ||\n\t            (!valIsDefined && othIsReflexive) ||\n\t            !valIsReflexive) {\n\t          return 1;\n\t        }\n\t        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n\t            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n\t            (othIsNull && valIsDefined && valIsReflexive) ||\n\t            (!othIsDefined && valIsReflexive) ||\n\t            !othIsReflexive) {\n\t          return -1;\n\t        }\n\t      }\n\t      return 0;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.orderBy` to compare multiple properties of a value to another\n\t     * and stable sort them.\n\t     *\n\t     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n\t     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n\t     * of corresponding values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {boolean[]|string[]} orders The order to sort by for each property.\n\t     * @returns {number} Returns the sort order indicator for `object`.\n\t     */\n\t    function compareMultiple(object, other, orders) {\n\t      var index = -1,\n\t          objCriteria = object.criteria,\n\t          othCriteria = other.criteria,\n\t          length = objCriteria.length,\n\t          ordersLength = orders.length;\n\t\n\t      while (++index < length) {\n\t        var result = compareAscending(objCriteria[index], othCriteria[index]);\n\t        if (result) {\n\t          if (index >= ordersLength) {\n\t            return result;\n\t          }\n\t          var order = orders[index];\n\t          return result * (order == 'desc' ? -1 : 1);\n\t        }\n\t      }\n\t      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n\t      // that causes it, under certain circumstances, to provide the same value for\n\t      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n\t      // for more details.\n\t      //\n\t      // This also ensures a stable sort in V8 and other engines.\n\t      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n\t      return object.index - other.index;\n\t    }\n\t\n\t    /**\n\t     * Creates an array that is the composition of partially applied arguments,\n\t     * placeholders, and provided arguments into a single array of arguments.\n\t     *\n\t     * @private\n\t     * @param {Array} args The provided arguments.\n\t     * @param {Array} partials The arguments to prepend to those provided.\n\t     * @param {Array} holders The `partials` placeholder indexes.\n\t     * @params {boolean} [isCurried] Specify composing for a curried function.\n\t     * @returns {Array} Returns the new array of composed arguments.\n\t     */\n\t    function composeArgs(args, partials, holders, isCurried) {\n\t      var argsIndex = -1,\n\t          argsLength = args.length,\n\t          holdersLength = holders.length,\n\t          leftIndex = -1,\n\t          leftLength = partials.length,\n\t          rangeLength = nativeMax(argsLength - holdersLength, 0),\n\t          result = Array(leftLength + rangeLength),\n\t          isUncurried = !isCurried;\n\t\n\t      while (++leftIndex < leftLength) {\n\t        result[leftIndex] = partials[leftIndex];\n\t      }\n\t      while (++argsIndex < holdersLength) {\n\t        if (isUncurried || argsIndex < argsLength) {\n\t          result[holders[argsIndex]] = args[argsIndex];\n\t        }\n\t      }\n\t      while (rangeLength--) {\n\t        result[leftIndex++] = args[argsIndex++];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This function is like `composeArgs` except that the arguments composition\n\t     * is tailored for `_.partialRight`.\n\t     *\n\t     * @private\n\t     * @param {Array} args The provided arguments.\n\t     * @param {Array} partials The arguments to append to those provided.\n\t     * @param {Array} holders The `partials` placeholder indexes.\n\t     * @params {boolean} [isCurried] Specify composing for a curried function.\n\t     * @returns {Array} Returns the new array of composed arguments.\n\t     */\n\t    function composeArgsRight(args, partials, holders, isCurried) {\n\t      var argsIndex = -1,\n\t          argsLength = args.length,\n\t          holdersIndex = -1,\n\t          holdersLength = holders.length,\n\t          rightIndex = -1,\n\t          rightLength = partials.length,\n\t          rangeLength = nativeMax(argsLength - holdersLength, 0),\n\t          result = Array(rangeLength + rightLength),\n\t          isUncurried = !isCurried;\n\t\n\t      while (++argsIndex < rangeLength) {\n\t        result[argsIndex] = args[argsIndex];\n\t      }\n\t      var offset = argsIndex;\n\t      while (++rightIndex < rightLength) {\n\t        result[offset + rightIndex] = partials[rightIndex];\n\t      }\n\t      while (++holdersIndex < holdersLength) {\n\t        if (isUncurried || argsIndex < argsLength) {\n\t          result[offset + holders[holdersIndex]] = args[argsIndex++];\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Copies the values of `source` to `array`.\n\t     *\n\t     * @private\n\t     * @param {Array} source The array to copy values from.\n\t     * @param {Array} [array=[]] The array to copy values to.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function copyArray(source, array) {\n\t      var index = -1,\n\t          length = source.length;\n\t\n\t      array || (array = Array(length));\n\t      while (++index < length) {\n\t        array[index] = source[index];\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Copies properties of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy properties from.\n\t     * @param {Array} props The property identifiers to copy.\n\t     * @param {Object} [object={}] The object to copy properties to.\n\t     * @param {Function} [customizer] The function to customize copied values.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copyObject(source, props, object, customizer) {\n\t      var isNew = !object;\n\t      object || (object = {});\n\t\n\t      var index = -1,\n\t          length = props.length;\n\t\n\t      while (++index < length) {\n\t        var key = props[index];\n\t\n\t        var newValue = customizer\n\t          ? customizer(object[key], source[key], key, object, source)\n\t          : undefined;\n\t\n\t        if (newValue === undefined) {\n\t          newValue = source[key];\n\t        }\n\t        if (isNew) {\n\t          baseAssignValue(object, key, newValue);\n\t        } else {\n\t          assignValue(object, key, newValue);\n\t        }\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Copies own symbols of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy symbols from.\n\t     * @param {Object} [object={}] The object to copy symbols to.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copySymbols(source, object) {\n\t      return copyObject(source, getSymbols(source), object);\n\t    }\n\t\n\t    /**\n\t     * Copies own and inherited symbols of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy symbols from.\n\t     * @param {Object} [object={}] The object to copy symbols to.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copySymbolsIn(source, object) {\n\t      return copyObject(source, getSymbolsIn(source), object);\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.groupBy`.\n\t     *\n\t     * @private\n\t     * @param {Function} setter The function to set accumulator values.\n\t     * @param {Function} [initializer] The accumulator object initializer.\n\t     * @returns {Function} Returns the new aggregator function.\n\t     */\n\t    function createAggregator(setter, initializer) {\n\t      return function(collection, iteratee) {\n\t        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n\t            accumulator = initializer ? initializer() : {};\n\t\n\t        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.assign`.\n\t     *\n\t     * @private\n\t     * @param {Function} assigner The function to assign values.\n\t     * @returns {Function} Returns the new assigner function.\n\t     */\n\t    function createAssigner(assigner) {\n\t      return baseRest(function(object, sources) {\n\t        var index = -1,\n\t            length = sources.length,\n\t            customizer = length > 1 ? sources[length - 1] : undefined,\n\t            guard = length > 2 ? sources[2] : undefined;\n\t\n\t        customizer = (assigner.length > 3 && typeof customizer == 'function')\n\t          ? (length--, customizer)\n\t          : undefined;\n\t\n\t        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n\t          customizer = length < 3 ? undefined : customizer;\n\t          length = 1;\n\t        }\n\t        object = Object(object);\n\t        while (++index < length) {\n\t          var source = sources[index];\n\t          if (source) {\n\t            assigner(object, source, index, customizer);\n\t          }\n\t        }\n\t        return object;\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a `baseEach` or `baseEachRight` function.\n\t     *\n\t     * @private\n\t     * @param {Function} eachFunc The function to iterate over a collection.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new base function.\n\t     */\n\t    function createBaseEach(eachFunc, fromRight) {\n\t      return function(collection, iteratee) {\n\t        if (collection == null) {\n\t          return collection;\n\t        }\n\t        if (!isArrayLike(collection)) {\n\t          return eachFunc(collection, iteratee);\n\t        }\n\t        var length = collection.length,\n\t            index = fromRight ? length : -1,\n\t            iterable = Object(collection);\n\t\n\t        while ((fromRight ? index-- : ++index < length)) {\n\t          if (iteratee(iterable[index], index, iterable) === false) {\n\t            break;\n\t          }\n\t        }\n\t        return collection;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new base function.\n\t     */\n\t    function createBaseFor(fromRight) {\n\t      return function(object, iteratee, keysFunc) {\n\t        var index = -1,\n\t            iterable = Object(object),\n\t            props = keysFunc(object),\n\t            length = props.length;\n\t\n\t        while (length--) {\n\t          var key = props[fromRight ? length : ++index];\n\t          if (iteratee(iterable[key], key, iterable) === false) {\n\t            break;\n\t          }\n\t        }\n\t        return object;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with the optional `this`\n\t     * binding of `thisArg`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createBind(func, bitmask, thisArg) {\n\t      var isBind = bitmask & WRAP_BIND_FLAG,\n\t          Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t        return fn.apply(isBind ? thisArg : this, arguments);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.lowerFirst`.\n\t     *\n\t     * @private\n\t     * @param {string} methodName The name of the `String` case method to use.\n\t     * @returns {Function} Returns the new case function.\n\t     */\n\t    function createCaseFirst(methodName) {\n\t      return function(string) {\n\t        string = toString(string);\n\t\n\t        var strSymbols = hasUnicode(string)\n\t          ? stringToArray(string)\n\t          : undefined;\n\t\n\t        var chr = strSymbols\n\t          ? strSymbols[0]\n\t          : string.charAt(0);\n\t\n\t        var trailing = strSymbols\n\t          ? castSlice(strSymbols, 1).join('')\n\t          : string.slice(1);\n\t\n\t        return chr[methodName]() + trailing;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.camelCase`.\n\t     *\n\t     * @private\n\t     * @param {Function} callback The function to combine each word.\n\t     * @returns {Function} Returns the new compounder function.\n\t     */\n\t    function createCompounder(callback) {\n\t      return function(string) {\n\t        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that produces an instance of `Ctor` regardless of\n\t     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n\t     *\n\t     * @private\n\t     * @param {Function} Ctor The constructor to wrap.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createCtor(Ctor) {\n\t      return function() {\n\t        // Use a `switch` statement to work with class constructors. See\n\t        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n\t        // for more details.\n\t        var args = arguments;\n\t        switch (args.length) {\n\t          case 0: return new Ctor;\n\t          case 1: return new Ctor(args[0]);\n\t          case 2: return new Ctor(args[0], args[1]);\n\t          case 3: return new Ctor(args[0], args[1], args[2]);\n\t          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n\t          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n\t          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n\t          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n\t        }\n\t        var thisBinding = baseCreate(Ctor.prototype),\n\t            result = Ctor.apply(thisBinding, args);\n\t\n\t        // Mimic the constructor's `return` behavior.\n\t        // See https://es5.github.io/#x13.2.2 for more details.\n\t        return isObject(result) ? result : thisBinding;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to enable currying.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {number} arity The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createCurry(func, bitmask, arity) {\n\t      var Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var length = arguments.length,\n\t            args = Array(length),\n\t            index = length,\n\t            placeholder = getHolder(wrapper);\n\t\n\t        while (index--) {\n\t          args[index] = arguments[index];\n\t        }\n\t        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n\t          ? []\n\t          : replaceHolders(args, placeholder);\n\t\n\t        length -= holders.length;\n\t        if (length < arity) {\n\t          return createRecurry(\n\t            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n\t            args, holders, undefined, undefined, arity - length);\n\t        }\n\t        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t        return apply(fn, this, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.find` or `_.findLast` function.\n\t     *\n\t     * @private\n\t     * @param {Function} findIndexFunc The function to find the collection index.\n\t     * @returns {Function} Returns the new find function.\n\t     */\n\t    function createFind(findIndexFunc) {\n\t      return function(collection, predicate, fromIndex) {\n\t        var iterable = Object(collection);\n\t        if (!isArrayLike(collection)) {\n\t          var iteratee = getIteratee(predicate, 3);\n\t          collection = keys(collection);\n\t          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n\t        }\n\t        var index = findIndexFunc(collection, predicate, fromIndex);\n\t        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.flow` or `_.flowRight` function.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new flow function.\n\t     */\n\t    function createFlow(fromRight) {\n\t      return flatRest(function(funcs) {\n\t        var length = funcs.length,\n\t            index = length,\n\t            prereq = LodashWrapper.prototype.thru;\n\t\n\t        if (fromRight) {\n\t          funcs.reverse();\n\t        }\n\t        while (index--) {\n\t          var func = funcs[index];\n\t          if (typeof func != 'function') {\n\t            throw new TypeError(FUNC_ERROR_TEXT);\n\t          }\n\t          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n\t            var wrapper = new LodashWrapper([], true);\n\t          }\n\t        }\n\t        index = wrapper ? index : length;\n\t        while (++index < length) {\n\t          func = funcs[index];\n\t\n\t          var funcName = getFuncName(func),\n\t              data = funcName == 'wrapper' ? getData(func) : undefined;\n\t\n\t          if (data && isLaziable(data[0]) &&\n\t                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n\t                !data[4].length && data[9] == 1\n\t              ) {\n\t            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n\t          } else {\n\t            wrapper = (func.length == 1 && isLaziable(func))\n\t              ? wrapper[funcName]()\n\t              : wrapper.thru(func);\n\t          }\n\t        }\n\t        return function() {\n\t          var args = arguments,\n\t              value = args[0];\n\t\n\t          if (wrapper && args.length == 1 && isArray(value)) {\n\t            return wrapper.plant(value).value();\n\t          }\n\t          var index = 0,\n\t              result = length ? funcs[index].apply(this, args) : value;\n\t\n\t          while (++index < length) {\n\t            result = funcs[index].call(this, result);\n\t          }\n\t          return result;\n\t        };\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with optional `this`\n\t     * binding of `thisArg`, partial application, and currying.\n\t     *\n\t     * @private\n\t     * @param {Function|string} func The function or method name to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [partialsRight] The arguments to append to those provided\n\t     *  to the new function.\n\t     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n\t      var isAry = bitmask & WRAP_ARY_FLAG,\n\t          isBind = bitmask & WRAP_BIND_FLAG,\n\t          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n\t          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n\t          isFlip = bitmask & WRAP_FLIP_FLAG,\n\t          Ctor = isBindKey ? undefined : createCtor(func);\n\t\n\t      function wrapper() {\n\t        var length = arguments.length,\n\t            args = Array(length),\n\t            index = length;\n\t\n\t        while (index--) {\n\t          args[index] = arguments[index];\n\t        }\n\t        if (isCurried) {\n\t          var placeholder = getHolder(wrapper),\n\t              holdersCount = countHolders(args, placeholder);\n\t        }\n\t        if (partials) {\n\t          args = composeArgs(args, partials, holders, isCurried);\n\t        }\n\t        if (partialsRight) {\n\t          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n\t        }\n\t        length -= holdersCount;\n\t        if (isCurried && length < arity) {\n\t          var newHolders = replaceHolders(args, placeholder);\n\t          return createRecurry(\n\t            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n\t            args, newHolders, argPos, ary, arity - length\n\t          );\n\t        }\n\t        var thisBinding = isBind ? thisArg : this,\n\t            fn = isBindKey ? thisBinding[func] : func;\n\t\n\t        length = args.length;\n\t        if (argPos) {\n\t          args = reorder(args, argPos);\n\t        } else if (isFlip && length > 1) {\n\t          args.reverse();\n\t        }\n\t        if (isAry && ary < length) {\n\t          args.length = ary;\n\t        }\n\t        if (this && this !== root && this instanceof wrapper) {\n\t          fn = Ctor || createCtor(fn);\n\t        }\n\t        return fn.apply(thisBinding, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.invertBy`.\n\t     *\n\t     * @private\n\t     * @param {Function} setter The function to set accumulator values.\n\t     * @param {Function} toIteratee The function to resolve iteratees.\n\t     * @returns {Function} Returns the new inverter function.\n\t     */\n\t    function createInverter(setter, toIteratee) {\n\t      return function(object, iteratee) {\n\t        return baseInverter(object, setter, toIteratee(iteratee), {});\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a mathematical operation on two values.\n\t     *\n\t     * @private\n\t     * @param {Function} operator The function to perform the operation.\n\t     * @param {number} [defaultValue] The value used for `undefined` arguments.\n\t     * @returns {Function} Returns the new mathematical operation function.\n\t     */\n\t    function createMathOperation(operator, defaultValue) {\n\t      return function(value, other) {\n\t        var result;\n\t        if (value === undefined && other === undefined) {\n\t          return defaultValue;\n\t        }\n\t        if (value !== undefined) {\n\t          result = value;\n\t        }\n\t        if (other !== undefined) {\n\t          if (result === undefined) {\n\t            return other;\n\t          }\n\t          if (typeof value == 'string' || typeof other == 'string') {\n\t            value = baseToString(value);\n\t            other = baseToString(other);\n\t          } else {\n\t            value = baseToNumber(value);\n\t            other = baseToNumber(other);\n\t          }\n\t          result = operator(value, other);\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.over`.\n\t     *\n\t     * @private\n\t     * @param {Function} arrayFunc The function to iterate over iteratees.\n\t     * @returns {Function} Returns the new over function.\n\t     */\n\t    function createOver(arrayFunc) {\n\t      return flatRest(function(iteratees) {\n\t        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n\t        return baseRest(function(args) {\n\t          var thisArg = this;\n\t          return arrayFunc(iteratees, function(iteratee) {\n\t            return apply(iteratee, thisArg, args);\n\t          });\n\t        });\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates the padding for `string` based on `length`. The `chars` string\n\t     * is truncated if the number of characters exceeds `length`.\n\t     *\n\t     * @private\n\t     * @param {number} length The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padding for `string`.\n\t     */\n\t    function createPadding(length, chars) {\n\t      chars = chars === undefined ? ' ' : baseToString(chars);\n\t\n\t      var charsLength = chars.length;\n\t      if (charsLength < 2) {\n\t        return charsLength ? baseRepeat(chars, length) : chars;\n\t      }\n\t      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n\t      return hasUnicode(chars)\n\t        ? castSlice(stringToArray(result), 0, length).join('')\n\t        : result.slice(0, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with the `this` binding\n\t     * of `thisArg` and `partials` prepended to the arguments it receives.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} thisArg The `this` binding of `func`.\n\t     * @param {Array} partials The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createPartial(func, bitmask, thisArg, partials) {\n\t      var isBind = bitmask & WRAP_BIND_FLAG,\n\t          Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var argsIndex = -1,\n\t            argsLength = arguments.length,\n\t            leftIndex = -1,\n\t            leftLength = partials.length,\n\t            args = Array(leftLength + argsLength),\n\t            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t\n\t        while (++leftIndex < leftLength) {\n\t          args[leftIndex] = partials[leftIndex];\n\t        }\n\t        while (argsLength--) {\n\t          args[leftIndex++] = arguments[++argsIndex];\n\t        }\n\t        return apply(fn, isBind ? thisArg : this, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.range` or `_.rangeRight` function.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new range function.\n\t     */\n\t    function createRange(fromRight) {\n\t      return function(start, end, step) {\n\t        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n\t          end = step = undefined;\n\t        }\n\t        // Ensure the sign of `-0` is preserved.\n\t        start = toFinite(start);\n\t        if (end === undefined) {\n\t          end = start;\n\t          start = 0;\n\t        } else {\n\t          end = toFinite(end);\n\t        }\n\t        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n\t        return baseRange(start, end, step, fromRight);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a relational operation on two values.\n\t     *\n\t     * @private\n\t     * @param {Function} operator The function to perform the operation.\n\t     * @returns {Function} Returns the new relational operation function.\n\t     */\n\t    function createRelationalOperation(operator) {\n\t      return function(value, other) {\n\t        if (!(typeof value == 'string' && typeof other == 'string')) {\n\t          value = toNumber(value);\n\t          other = toNumber(other);\n\t        }\n\t        return operator(value, other);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to continue currying.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {Function} wrapFunc The function to create the `func` wrapper.\n\t     * @param {*} placeholder The placeholder value.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n\t      var isCurry = bitmask & WRAP_CURRY_FLAG,\n\t          newHolders = isCurry ? holders : undefined,\n\t          newHoldersRight = isCurry ? undefined : holders,\n\t          newPartials = isCurry ? partials : undefined,\n\t          newPartialsRight = isCurry ? undefined : partials;\n\t\n\t      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n\t      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\t\n\t      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n\t        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n\t      }\n\t      var newData = [\n\t        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n\t        newHoldersRight, argPos, ary, arity\n\t      ];\n\t\n\t      var result = wrapFunc.apply(undefined, newData);\n\t      if (isLaziable(func)) {\n\t        setData(result, newData);\n\t      }\n\t      result.placeholder = placeholder;\n\t      return setWrapToString(result, func, bitmask);\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.round`.\n\t     *\n\t     * @private\n\t     * @param {string} methodName The name of the `Math` method to use when rounding.\n\t     * @returns {Function} Returns the new round function.\n\t     */\n\t    function createRound(methodName) {\n\t      var func = Math[methodName];\n\t      return function(number, precision) {\n\t        number = toNumber(number);\n\t        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n\t        if (precision) {\n\t          // Shift with exponential notation to avoid floating-point issues.\n\t          // See [MDN](https://mdn.io/round#Examples) for more details.\n\t          var pair = (toString(number) + 'e').split('e'),\n\t              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\t\n\t          pair = (toString(value) + 'e').split('e');\n\t          return +(pair[0] + 'e' + (+pair[1] - precision));\n\t        }\n\t        return func(number);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a set object of `values`.\n\t     *\n\t     * @private\n\t     * @param {Array} values The values to add to the set.\n\t     * @returns {Object} Returns the new set.\n\t     */\n\t    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n\t      return new Set(values);\n\t    };\n\t\n\t    /**\n\t     * Creates a `_.toPairs` or `_.toPairsIn` function.\n\t     *\n\t     * @private\n\t     * @param {Function} keysFunc The function to get the keys of a given object.\n\t     * @returns {Function} Returns the new pairs function.\n\t     */\n\t    function createToPairs(keysFunc) {\n\t      return function(object) {\n\t        var tag = getTag(object);\n\t        if (tag == mapTag) {\n\t          return mapToArray(object);\n\t        }\n\t        if (tag == setTag) {\n\t          return setToPairs(object);\n\t        }\n\t        return baseToPairs(object, keysFunc(object));\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that either curries or invokes `func` with optional\n\t     * `this` binding and partially applied arguments.\n\t     *\n\t     * @private\n\t     * @param {Function|string} func The function or method name to wrap.\n\t     * @param {number} bitmask The bitmask flags.\n\t     *    1 - `_.bind`\n\t     *    2 - `_.bindKey`\n\t     *    4 - `_.curry` or `_.curryRight` of a bound function\n\t     *    8 - `_.curry`\n\t     *   16 - `_.curryRight`\n\t     *   32 - `_.partial`\n\t     *   64 - `_.partialRight`\n\t     *  128 - `_.rearg`\n\t     *  256 - `_.ary`\n\t     *  512 - `_.flip`\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to be partially applied.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n\t      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n\t      if (!isBindKey && typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      var length = partials ? partials.length : 0;\n\t      if (!length) {\n\t        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n\t        partials = holders = undefined;\n\t      }\n\t      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n\t      arity = arity === undefined ? arity : toInteger(arity);\n\t      length -= holders ? holders.length : 0;\n\t\n\t      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n\t        var partialsRight = partials,\n\t            holdersRight = holders;\n\t\n\t        partials = holders = undefined;\n\t      }\n\t      var data = isBindKey ? undefined : getData(func);\n\t\n\t      var newData = [\n\t        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n\t        argPos, ary, arity\n\t      ];\n\t\n\t      if (data) {\n\t        mergeData(newData, data);\n\t      }\n\t      func = newData[0];\n\t      bitmask = newData[1];\n\t      thisArg = newData[2];\n\t      partials = newData[3];\n\t      holders = newData[4];\n\t      arity = newData[9] = newData[9] === undefined\n\t        ? (isBindKey ? 0 : func.length)\n\t        : nativeMax(newData[9] - length, 0);\n\t\n\t      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n\t        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n\t      }\n\t      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n\t        var result = createBind(func, bitmask, thisArg);\n\t      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n\t        result = createCurry(func, bitmask, arity);\n\t      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n\t        result = createPartial(func, bitmask, thisArg, partials);\n\t      } else {\n\t        result = createHybrid.apply(undefined, newData);\n\t      }\n\t      var setter = data ? baseSetData : setData;\n\t      return setWrapToString(setter(result, newData), func, bitmask);\n\t    }\n\t\n\t    /**\n\t     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n\t     * of source objects to the destination object for all destination properties\n\t     * that resolve to `undefined`.\n\t     *\n\t     * @private\n\t     * @param {*} objValue The destination value.\n\t     * @param {*} srcValue The source value.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {Object} object The parent object of `objValue`.\n\t     * @returns {*} Returns the value to assign.\n\t     */\n\t    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n\t      if (objValue === undefined ||\n\t          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n\t        return srcValue;\n\t      }\n\t      return objValue;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n\t     * objects into destination objects that are passed thru.\n\t     *\n\t     * @private\n\t     * @param {*} objValue The destination value.\n\t     * @param {*} srcValue The source value.\n\t     * @param {string} key The key of the property to merge.\n\t     * @param {Object} object The parent object of `objValue`.\n\t     * @param {Object} source The parent object of `srcValue`.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     * @returns {*} Returns the value to assign.\n\t     */\n\t    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n\t      if (isObject(objValue) && isObject(srcValue)) {\n\t        // Recursively merge objects and arrays (susceptible to call stack limits).\n\t        stack.set(srcValue, objValue);\n\t        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n\t        stack['delete'](srcValue);\n\t      }\n\t      return objValue;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n\t     * objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @param {string} key The key of the property to inspect.\n\t     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n\t     */\n\t    function customOmitClone(value) {\n\t      return isPlainObject(value) ? undefined : value;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for arrays with support for\n\t     * partial deep comparisons.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to compare.\n\t     * @param {Array} other The other array to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `array` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n\t     */\n\t    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n\t      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n\t          arrLength = array.length,\n\t          othLength = other.length;\n\t\n\t      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n\t        return false;\n\t      }\n\t      // Assume cyclic values are equal.\n\t      var stacked = stack.get(array);\n\t      if (stacked && stack.get(other)) {\n\t        return stacked == other;\n\t      }\n\t      var index = -1,\n\t          result = true,\n\t          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\t\n\t      stack.set(array, other);\n\t      stack.set(other, array);\n\t\n\t      // Ignore non-index properties.\n\t      while (++index < arrLength) {\n\t        var arrValue = array[index],\n\t            othValue = other[index];\n\t\n\t        if (customizer) {\n\t          var compared = isPartial\n\t            ? customizer(othValue, arrValue, index, other, array, stack)\n\t            : customizer(arrValue, othValue, index, array, other, stack);\n\t        }\n\t        if (compared !== undefined) {\n\t          if (compared) {\n\t            continue;\n\t          }\n\t          result = false;\n\t          break;\n\t        }\n\t        // Recursively compare arrays (susceptible to call stack limits).\n\t        if (seen) {\n\t          if (!arraySome(other, function(othValue, othIndex) {\n\t                if (!cacheHas(seen, othIndex) &&\n\t                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n\t                  return seen.push(othIndex);\n\t                }\n\t              })) {\n\t            result = false;\n\t            break;\n\t          }\n\t        } else if (!(\n\t              arrValue === othValue ||\n\t                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n\t            )) {\n\t          result = false;\n\t          break;\n\t        }\n\t      }\n\t      stack['delete'](array);\n\t      stack['delete'](other);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for comparing objects of\n\t     * the same `toStringTag`.\n\t     *\n\t     * **Note:** This function only supports comparing values with tags of\n\t     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {string} tag The `toStringTag` of the objects to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n\t      switch (tag) {\n\t        case dataViewTag:\n\t          if ((object.byteLength != other.byteLength) ||\n\t              (object.byteOffset != other.byteOffset)) {\n\t            return false;\n\t          }\n\t          object = object.buffer;\n\t          other = other.buffer;\n\t\n\t        case arrayBufferTag:\n\t          if ((object.byteLength != other.byteLength) ||\n\t              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n\t            return false;\n\t          }\n\t          return true;\n\t\n\t        case boolTag:\n\t        case dateTag:\n\t        case numberTag:\n\t          // Coerce booleans to `1` or `0` and dates to milliseconds.\n\t          // Invalid dates are coerced to `NaN`.\n\t          return eq(+object, +other);\n\t\n\t        case errorTag:\n\t          return object.name == other.name && object.message == other.message;\n\t\n\t        case regexpTag:\n\t        case stringTag:\n\t          // Coerce regexes to strings and treat strings, primitives and objects,\n\t          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n\t          // for more details.\n\t          return object == (other + '');\n\t\n\t        case mapTag:\n\t          var convert = mapToArray;\n\t\n\t        case setTag:\n\t          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n\t          convert || (convert = setToArray);\n\t\n\t          if (object.size != other.size && !isPartial) {\n\t            return false;\n\t          }\n\t          // Assume cyclic values are equal.\n\t          var stacked = stack.get(object);\n\t          if (stacked) {\n\t            return stacked == other;\n\t          }\n\t          bitmask |= COMPARE_UNORDERED_FLAG;\n\t\n\t          // Recursively compare objects (susceptible to call stack limits).\n\t          stack.set(object, other);\n\t          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n\t          stack['delete'](object);\n\t          return result;\n\t\n\t        case symbolTag:\n\t          if (symbolValueOf) {\n\t            return symbolValueOf.call(object) == symbolValueOf.call(other);\n\t          }\n\t      }\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for objects with support for\n\t     * partial deep comparisons.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n\t      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n\t          objProps = getAllKeys(object),\n\t          objLength = objProps.length,\n\t          othProps = getAllKeys(other),\n\t          othLength = othProps.length;\n\t\n\t      if (objLength != othLength && !isPartial) {\n\t        return false;\n\t      }\n\t      var index = objLength;\n\t      while (index--) {\n\t        var key = objProps[index];\n\t        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n\t          return false;\n\t        }\n\t      }\n\t      // Assume cyclic values are equal.\n\t      var stacked = stack.get(object);\n\t      if (stacked && stack.get(other)) {\n\t        return stacked == other;\n\t      }\n\t      var result = true;\n\t      stack.set(object, other);\n\t      stack.set(other, object);\n\t\n\t      var skipCtor = isPartial;\n\t      while (++index < objLength) {\n\t        key = objProps[index];\n\t        var objValue = object[key],\n\t            othValue = other[key];\n\t\n\t        if (customizer) {\n\t          var compared = isPartial\n\t            ? customizer(othValue, objValue, key, other, object, stack)\n\t            : customizer(objValue, othValue, key, object, other, stack);\n\t        }\n\t        // Recursively compare objects (susceptible to call stack limits).\n\t        if (!(compared === undefined\n\t              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n\t              : compared\n\t            )) {\n\t          result = false;\n\t          break;\n\t        }\n\t        skipCtor || (skipCtor = key == 'constructor');\n\t      }\n\t      if (result && !skipCtor) {\n\t        var objCtor = object.constructor,\n\t            othCtor = other.constructor;\n\t\n\t        // Non `Object` object instances with different constructors are not equal.\n\t        if (objCtor != othCtor &&\n\t            ('constructor' in object && 'constructor' in other) &&\n\t            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n\t              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n\t          result = false;\n\t        }\n\t      }\n\t      stack['delete'](object);\n\t      stack['delete'](other);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseRest` which flattens the rest array.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function flatRest(func) {\n\t      return setToString(overRest(func, undefined, flatten), func + '');\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own enumerable property names and symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function getAllKeys(object) {\n\t      return baseGetAllKeys(object, keys, getSymbols);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own and inherited enumerable property names and\n\t     * symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function getAllKeysIn(object) {\n\t      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n\t    }\n\t\n\t    /**\n\t     * Gets metadata for `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to query.\n\t     * @returns {*} Returns the metadata for `func`.\n\t     */\n\t    var getData = !metaMap ? noop : function(func) {\n\t      return metaMap.get(func);\n\t    };\n\t\n\t    /**\n\t     * Gets the name of `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to query.\n\t     * @returns {string} Returns the function name.\n\t     */\n\t    function getFuncName(func) {\n\t      var result = (func.name + ''),\n\t          array = realNames[result],\n\t          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\t\n\t      while (length--) {\n\t        var data = array[length],\n\t            otherFunc = data.func;\n\t        if (otherFunc == null || otherFunc == func) {\n\t          return data.name;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the argument placeholder value for `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to inspect.\n\t     * @returns {*} Returns the placeholder value.\n\t     */\n\t    function getHolder(func) {\n\t      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n\t      return object.placeholder;\n\t    }\n\t\n\t    /**\n\t     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n\t     * this function returns the custom method, otherwise it returns `baseIteratee`.\n\t     * If arguments are provided, the chosen function is invoked with them and\n\t     * its result is returned.\n\t     *\n\t     * @private\n\t     * @param {*} [value] The value to convert to an iteratee.\n\t     * @param {number} [arity] The arity of the created iteratee.\n\t     * @returns {Function} Returns the chosen function or its result.\n\t     */\n\t    function getIteratee() {\n\t      var result = lodash.iteratee || iteratee;\n\t      result = result === iteratee ? baseIteratee : result;\n\t      return arguments.length ? result(arguments[0], arguments[1]) : result;\n\t    }\n\t\n\t    /**\n\t     * Gets the data for `map`.\n\t     *\n\t     * @private\n\t     * @param {Object} map The map to query.\n\t     * @param {string} key The reference key.\n\t     * @returns {*} Returns the map data.\n\t     */\n\t    function getMapData(map, key) {\n\t      var data = map.__data__;\n\t      return isKeyable(key)\n\t        ? data[typeof key == 'string' ? 'string' : 'hash']\n\t        : data.map;\n\t    }\n\t\n\t    /**\n\t     * Gets the property names, values, and compare flags of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the match data of `object`.\n\t     */\n\t    function getMatchData(object) {\n\t      var result = keys(object),\n\t          length = result.length;\n\t\n\t      while (length--) {\n\t        var key = result[length],\n\t            value = object[key];\n\t\n\t        result[length] = [key, value, isStrictComparable(value)];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the native function at `key` of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {string} key The key of the method to get.\n\t     * @returns {*} Returns the function if it's native, else `undefined`.\n\t     */\n\t    function getNative(object, key) {\n\t      var value = getValue(object, key);\n\t      return baseIsNative(value) ? value : undefined;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the raw `toStringTag`.\n\t     */\n\t    function getRawTag(value) {\n\t      var isOwn = hasOwnProperty.call(value, symToStringTag),\n\t          tag = value[symToStringTag];\n\t\n\t      try {\n\t        value[symToStringTag] = undefined;\n\t        var unmasked = true;\n\t      } catch (e) {}\n\t\n\t      var result = nativeObjectToString.call(value);\n\t      if (unmasked) {\n\t        if (isOwn) {\n\t          value[symToStringTag] = tag;\n\t        } else {\n\t          delete value[symToStringTag];\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own enumerable symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of symbols.\n\t     */\n\t    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n\t      if (object == null) {\n\t        return [];\n\t      }\n\t      object = Object(object);\n\t      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n\t        return propertyIsEnumerable.call(object, symbol);\n\t      });\n\t    };\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of symbols.\n\t     */\n\t    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n\t      var result = [];\n\t      while (object) {\n\t        arrayPush(result, getSymbols(object));\n\t        object = getPrototype(object);\n\t      }\n\t      return result;\n\t    };\n\t\n\t    /**\n\t     * Gets the `toStringTag` of `value`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the `toStringTag`.\n\t     */\n\t    var getTag = baseGetTag;\n\t\n\t    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n\t    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n\t        (Map && getTag(new Map) != mapTag) ||\n\t        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n\t        (Set && getTag(new Set) != setTag) ||\n\t        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n\t      getTag = function(value) {\n\t        var result = baseGetTag(value),\n\t            Ctor = result == objectTag ? value.constructor : undefined,\n\t            ctorString = Ctor ? toSource(Ctor) : '';\n\t\n\t        if (ctorString) {\n\t          switch (ctorString) {\n\t            case dataViewCtorString: return dataViewTag;\n\t            case mapCtorString: return mapTag;\n\t            case promiseCtorString: return promiseTag;\n\t            case setCtorString: return setTag;\n\t            case weakMapCtorString: return weakMapTag;\n\t          }\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n\t     *\n\t     * @private\n\t     * @param {number} start The start of the view.\n\t     * @param {number} end The end of the view.\n\t     * @param {Array} transforms The transformations to apply to the view.\n\t     * @returns {Object} Returns an object containing the `start` and `end`\n\t     *  positions of the view.\n\t     */\n\t    function getView(start, end, transforms) {\n\t      var index = -1,\n\t          length = transforms.length;\n\t\n\t      while (++index < length) {\n\t        var data = transforms[index],\n\t            size = data.size;\n\t\n\t        switch (data.type) {\n\t          case 'drop':      start += size; break;\n\t          case 'dropRight': end -= size; break;\n\t          case 'take':      end = nativeMin(end, start + size); break;\n\t          case 'takeRight': start = nativeMax(start, end - size); break;\n\t        }\n\t      }\n\t      return { 'start': start, 'end': end };\n\t    }\n\t\n\t    /**\n\t     * Extracts wrapper details from the `source` body comment.\n\t     *\n\t     * @private\n\t     * @param {string} source The source to inspect.\n\t     * @returns {Array} Returns the wrapper details.\n\t     */\n\t    function getWrapDetails(source) {\n\t      var match = source.match(reWrapDetails);\n\t      return match ? match[1].split(reSplitDetails) : [];\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` exists on `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @param {Function} hasFunc The function to check properties.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     */\n\t    function hasPath(object, path, hasFunc) {\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length,\n\t          result = false;\n\t\n\t      while (++index < length) {\n\t        var key = toKey(path[index]);\n\t        if (!(result = object != null && hasFunc(object, key))) {\n\t          break;\n\t        }\n\t        object = object[key];\n\t      }\n\t      if (result || ++index != length) {\n\t        return result;\n\t      }\n\t      length = object == null ? 0 : object.length;\n\t      return !!length && isLength(length) && isIndex(key, length) &&\n\t        (isArray(object) || isArguments(object));\n\t    }\n\t\n\t    /**\n\t     * Initializes an array clone.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to clone.\n\t     * @returns {Array} Returns the initialized clone.\n\t     */\n\t    function initCloneArray(array) {\n\t      var length = array.length,\n\t          result = array.constructor(length);\n\t\n\t      // Add properties assigned by `RegExp#exec`.\n\t      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n\t        result.index = array.index;\n\t        result.input = array.input;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Initializes an object clone.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to clone.\n\t     * @returns {Object} Returns the initialized clone.\n\t     */\n\t    function initCloneObject(object) {\n\t      return (typeof object.constructor == 'function' && !isPrototype(object))\n\t        ? baseCreate(getPrototype(object))\n\t        : {};\n\t    }\n\t\n\t    /**\n\t     * Initializes an object clone based on its `toStringTag`.\n\t     *\n\t     * **Note:** This function only supports cloning values with tags of\n\t     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to clone.\n\t     * @param {string} tag The `toStringTag` of the object to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the initialized clone.\n\t     */\n\t    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n\t      var Ctor = object.constructor;\n\t      switch (tag) {\n\t        case arrayBufferTag:\n\t          return cloneArrayBuffer(object);\n\t\n\t        case boolTag:\n\t        case dateTag:\n\t          return new Ctor(+object);\n\t\n\t        case dataViewTag:\n\t          return cloneDataView(object, isDeep);\n\t\n\t        case float32Tag: case float64Tag:\n\t        case int8Tag: case int16Tag: case int32Tag:\n\t        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n\t          return cloneTypedArray(object, isDeep);\n\t\n\t        case mapTag:\n\t          return cloneMap(object, isDeep, cloneFunc);\n\t\n\t        case numberTag:\n\t        case stringTag:\n\t          return new Ctor(object);\n\t\n\t        case regexpTag:\n\t          return cloneRegExp(object);\n\t\n\t        case setTag:\n\t          return cloneSet(object, isDeep, cloneFunc);\n\t\n\t        case symbolTag:\n\t          return cloneSymbol(object);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Inserts wrapper `details` in a comment at the top of the `source` body.\n\t     *\n\t     * @private\n\t     * @param {string} source The source to modify.\n\t     * @returns {Array} details The details to insert.\n\t     * @returns {string} Returns the modified source.\n\t     */\n\t    function insertWrapDetails(source, details) {\n\t      var length = details.length;\n\t      if (!length) {\n\t        return source;\n\t      }\n\t      var lastIndex = length - 1;\n\t      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n\t      details = details.join(length > 2 ? ', ' : ' ');\n\t      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a flattenable `arguments` object or array.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n\t     */\n\t    function isFlattenable(value) {\n\t      return isArray(value) || isArguments(value) ||\n\t        !!(spreadableSymbol && value && value[spreadableSymbol]);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a valid array-like index.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n\t     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n\t     */\n\t    function isIndex(value, length) {\n\t      length = length == null ? MAX_SAFE_INTEGER : length;\n\t      return !!length &&\n\t        (typeof value == 'number' || reIsUint.test(value)) &&\n\t        (value > -1 && value % 1 == 0 && value < length);\n\t    }\n\t\n\t    /**\n\t     * Checks if the given arguments are from an iteratee call.\n\t     *\n\t     * @private\n\t     * @param {*} value The potential iteratee value argument.\n\t     * @param {*} index The potential iteratee index or key argument.\n\t     * @param {*} object The potential iteratee object argument.\n\t     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n\t     *  else `false`.\n\t     */\n\t    function isIterateeCall(value, index, object) {\n\t      if (!isObject(object)) {\n\t        return false;\n\t      }\n\t      var type = typeof index;\n\t      if (type == 'number'\n\t            ? (isArrayLike(object) && isIndex(index, object.length))\n\t            : (type == 'string' && index in object)\n\t          ) {\n\t        return eq(object[index], value);\n\t      }\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a property name and not a property path.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @param {Object} [object] The object to query keys on.\n\t     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n\t     */\n\t    function isKey(value, object) {\n\t      if (isArray(value)) {\n\t        return false;\n\t      }\n\t      var type = typeof value;\n\t      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n\t          value == null || isSymbol(value)) {\n\t        return true;\n\t      }\n\t      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n\t        (object != null && value in Object(object));\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is suitable for use as unique object key.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n\t     */\n\t    function isKeyable(value) {\n\t      var type = typeof value;\n\t      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n\t        ? (value !== '__proto__')\n\t        : (value === null);\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` has a lazy counterpart.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to check.\n\t     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n\t     *  else `false`.\n\t     */\n\t    function isLaziable(func) {\n\t      var funcName = getFuncName(func),\n\t          other = lodash[funcName];\n\t\n\t      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n\t        return false;\n\t      }\n\t      if (func === other) {\n\t        return true;\n\t      }\n\t      var data = getData(other);\n\t      return !!data && func === data[0];\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` has its source masked.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to check.\n\t     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n\t     */\n\t    function isMasked(func) {\n\t      return !!maskSrcKey && (maskSrcKey in func);\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` is capable of being masked.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n\t     */\n\t    var isMaskable = coreJsData ? isFunction : stubFalse;\n\t\n\t    /**\n\t     * Checks if `value` is likely a prototype object.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n\t     */\n\t    function isPrototype(value) {\n\t      var Ctor = value && value.constructor,\n\t          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\t\n\t      return value === proto;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` if suitable for strict\n\t     *  equality comparisons, else `false`.\n\t     */\n\t    function isStrictComparable(value) {\n\t      return value === value && !isObject(value);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `matchesProperty` for source values suitable\n\t     * for strict equality comparisons, i.e. `===`.\n\t     *\n\t     * @private\n\t     * @param {string} key The key of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function matchesStrictComparable(key, srcValue) {\n\t      return function(object) {\n\t        if (object == null) {\n\t          return false;\n\t        }\n\t        return object[key] === srcValue &&\n\t          (srcValue !== undefined || (key in Object(object)));\n\t      };\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.memoize` which clears the memoized function's\n\t     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to have its output memoized.\n\t     * @returns {Function} Returns the new memoized function.\n\t     */\n\t    function memoizeCapped(func) {\n\t      var result = memoize(func, function(key) {\n\t        if (cache.size === MAX_MEMOIZE_SIZE) {\n\t          cache.clear();\n\t        }\n\t        return key;\n\t      });\n\t\n\t      var cache = result.cache;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Merges the function metadata of `source` into `data`.\n\t     *\n\t     * Merging metadata reduces the number of wrappers used to invoke a function.\n\t     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n\t     * may be applied regardless of execution order. Methods like `_.ary` and\n\t     * `_.rearg` modify function arguments, making the order in which they are\n\t     * executed important, preventing the merging of metadata. However, we make\n\t     * an exception for a safe combined case where curried functions have `_.ary`\n\t     * and or `_.rearg` applied.\n\t     *\n\t     * @private\n\t     * @param {Array} data The destination metadata.\n\t     * @param {Array} source The source metadata.\n\t     * @returns {Array} Returns `data`.\n\t     */\n\t    function mergeData(data, source) {\n\t      var bitmask = data[1],\n\t          srcBitmask = source[1],\n\t          newBitmask = bitmask | srcBitmask,\n\t          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\t\n\t      var isCombo =\n\t        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n\t        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n\t        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\t\n\t      // Exit early if metadata can't be merged.\n\t      if (!(isCommon || isCombo)) {\n\t        return data;\n\t      }\n\t      // Use source `thisArg` if available.\n\t      if (srcBitmask & WRAP_BIND_FLAG) {\n\t        data[2] = source[2];\n\t        // Set when currying a bound function.\n\t        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n\t      }\n\t      // Compose partial arguments.\n\t      var value = source[3];\n\t      if (value) {\n\t        var partials = data[3];\n\t        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n\t        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n\t      }\n\t      // Compose partial right arguments.\n\t      value = source[5];\n\t      if (value) {\n\t        partials = data[5];\n\t        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n\t        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n\t      }\n\t      // Use source `argPos` if available.\n\t      value = source[7];\n\t      if (value) {\n\t        data[7] = value;\n\t      }\n\t      // Use source `ary` if it's smaller.\n\t      if (srcBitmask & WRAP_ARY_FLAG) {\n\t        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n\t      }\n\t      // Use source `arity` if one is not provided.\n\t      if (data[9] == null) {\n\t        data[9] = source[9];\n\t      }\n\t      // Use source `func` and merge bitmasks.\n\t      data[0] = source[0];\n\t      data[1] = newBitmask;\n\t\n\t      return data;\n\t    }\n\t\n\t    /**\n\t     * This function is like\n\t     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n\t     * except that it includes inherited enumerable properties.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function nativeKeysIn(object) {\n\t      var result = [];\n\t      if (object != null) {\n\t        for (var key in Object(object)) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a string using `Object.prototype.toString`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to convert.\n\t     * @returns {string} Returns the converted string.\n\t     */\n\t    function objectToString(value) {\n\t      return nativeObjectToString.call(value);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseRest` which transforms the rest array.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @param {Function} transform The rest array transform.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function overRest(func, start, transform) {\n\t      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n\t      return function() {\n\t        var args = arguments,\n\t            index = -1,\n\t            length = nativeMax(args.length - start, 0),\n\t            array = Array(length);\n\t\n\t        while (++index < length) {\n\t          array[index] = args[start + index];\n\t        }\n\t        index = -1;\n\t        var otherArgs = Array(start + 1);\n\t        while (++index < start) {\n\t          otherArgs[index] = args[index];\n\t        }\n\t        otherArgs[start] = transform(array);\n\t        return apply(func, this, otherArgs);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Gets the parent value at `path` of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array} path The path to get the parent value of.\n\t     * @returns {*} Returns the parent value.\n\t     */\n\t    function parent(object, path) {\n\t      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n\t    }\n\t\n\t    /**\n\t     * Reorder `array` according to the specified indexes where the element at\n\t     * the first index is assigned as the first element, the element at\n\t     * the second index is assigned as the second element, and so on.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to reorder.\n\t     * @param {Array} indexes The arranged array indexes.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function reorder(array, indexes) {\n\t      var arrLength = array.length,\n\t          length = nativeMin(indexes.length, arrLength),\n\t          oldArray = copyArray(array);\n\t\n\t      while (length--) {\n\t        var index = indexes[length];\n\t        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Sets metadata for `func`.\n\t     *\n\t     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n\t     * period of time, it will trip its breaker and transition to an identity\n\t     * function to avoid garbage collection pauses in V8. See\n\t     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n\t     * for more details.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to associate metadata with.\n\t     * @param {*} data The metadata.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var setData = shortOut(baseSetData);\n\t\n\t    /**\n\t     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @returns {number|Object} Returns the timer id or timeout object.\n\t     */\n\t    var setTimeout = ctxSetTimeout || function(func, wait) {\n\t      return root.setTimeout(func, wait);\n\t    };\n\t\n\t    /**\n\t     * Sets the `toString` method of `func` to return `string`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to modify.\n\t     * @param {Function} string The `toString` result.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var setToString = shortOut(baseSetToString);\n\t\n\t    /**\n\t     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n\t     * with wrapper details in a comment at the top of the source body.\n\t     *\n\t     * @private\n\t     * @param {Function} wrapper The function to modify.\n\t     * @param {Function} reference The reference function.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @returns {Function} Returns `wrapper`.\n\t     */\n\t    function setWrapToString(wrapper, reference, bitmask) {\n\t      var source = (reference + '');\n\t      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that'll short out and invoke `identity` instead\n\t     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n\t     * milliseconds.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new shortable function.\n\t     */\n\t    function shortOut(func) {\n\t      var count = 0,\n\t          lastCalled = 0;\n\t\n\t      return function() {\n\t        var stamp = nativeNow(),\n\t            remaining = HOT_SPAN - (stamp - lastCalled);\n\t\n\t        lastCalled = stamp;\n\t        if (remaining > 0) {\n\t          if (++count >= HOT_COUNT) {\n\t            return arguments[0];\n\t          }\n\t        } else {\n\t          count = 0;\n\t        }\n\t        return func.apply(undefined, arguments);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to shuffle.\n\t     * @param {number} [size=array.length] The size of `array`.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function shuffleSelf(array, size) {\n\t      var index = -1,\n\t          length = array.length,\n\t          lastIndex = length - 1;\n\t\n\t      size = size === undefined ? length : size;\n\t      while (++index < size) {\n\t        var rand = baseRandom(index, lastIndex),\n\t            value = array[rand];\n\t\n\t        array[rand] = array[index];\n\t        array[index] = value;\n\t      }\n\t      array.length = size;\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to a property path array.\n\t     *\n\t     * @private\n\t     * @param {string} string The string to convert.\n\t     * @returns {Array} Returns the property path array.\n\t     */\n\t    var stringToPath = memoizeCapped(function(string) {\n\t      var result = [];\n\t      if (reLeadingDot.test(string)) {\n\t        result.push('');\n\t      }\n\t      string.replace(rePropName, function(match, number, quote, string) {\n\t        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n\t      });\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Converts `value` to a string key if it's not a string or symbol.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {string|symbol} Returns the key.\n\t     */\n\t    function toKey(value) {\n\t      if (typeof value == 'string' || isSymbol(value)) {\n\t        return value;\n\t      }\n\t      var result = (value + '');\n\t      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t    }\n\t\n\t    /**\n\t     * Converts `func` to its source code.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to convert.\n\t     * @returns {string} Returns the source code.\n\t     */\n\t    function toSource(func) {\n\t      if (func != null) {\n\t        try {\n\t          return funcToString.call(func);\n\t        } catch (e) {}\n\t        try {\n\t          return (func + '');\n\t        } catch (e) {}\n\t      }\n\t      return '';\n\t    }\n\t\n\t    /**\n\t     * Updates wrapper `details` based on `bitmask` flags.\n\t     *\n\t     * @private\n\t     * @returns {Array} details The details to modify.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @returns {Array} Returns `details`.\n\t     */\n\t    function updateWrapDetails(details, bitmask) {\n\t      arrayEach(wrapFlags, function(pair) {\n\t        var value = '_.' + pair[0];\n\t        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n\t          details.push(value);\n\t        }\n\t      });\n\t      return details.sort();\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `wrapper`.\n\t     *\n\t     * @private\n\t     * @param {Object} wrapper The wrapper to clone.\n\t     * @returns {Object} Returns the cloned wrapper.\n\t     */\n\t    function wrapperClone(wrapper) {\n\t      if (wrapper instanceof LazyWrapper) {\n\t        return wrapper.clone();\n\t      }\n\t      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n\t      result.__actions__ = copyArray(wrapper.__actions__);\n\t      result.__index__  = wrapper.__index__;\n\t      result.__values__ = wrapper.__values__;\n\t      return result;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an array of elements split into groups the length of `size`.\n\t     * If `array` can't be split evenly, the final chunk will be the remaining\n\t     * elements.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to process.\n\t     * @param {number} [size=1] The length of each chunk\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the new array of chunks.\n\t     * @example\n\t     *\n\t     * _.chunk(['a', 'b', 'c', 'd'], 2);\n\t     * // => [['a', 'b'], ['c', 'd']]\n\t     *\n\t     * _.chunk(['a', 'b', 'c', 'd'], 3);\n\t     * // => [['a', 'b', 'c'], ['d']]\n\t     */\n\t    function chunk(array, size, guard) {\n\t      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n\t        size = 1;\n\t      } else {\n\t        size = nativeMax(toInteger(size), 0);\n\t      }\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length || size < 1) {\n\t        return [];\n\t      }\n\t      var index = 0,\n\t          resIndex = 0,\n\t          result = Array(nativeCeil(length / size));\n\t\n\t      while (index < length) {\n\t        result[resIndex++] = baseSlice(array, index, (index += size));\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an array with all falsey values removed. The values `false`, `null`,\n\t     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to compact.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.compact([0, 1, false, 2, '', 3]);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function compact(array) {\n\t      var index = -1,\n\t          length = array == null ? 0 : array.length,\n\t          resIndex = 0,\n\t          result = [];\n\t\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (value) {\n\t          result[resIndex++] = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a new array concatenating `array` with any additional arrays\n\t     * and/or values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to concatenate.\n\t     * @param {...*} [values] The values to concatenate.\n\t     * @returns {Array} Returns the new concatenated array.\n\t     * @example\n\t     *\n\t     * var array = [1];\n\t     * var other = _.concat(array, 2, [3], [[4]]);\n\t     *\n\t     * console.log(other);\n\t     * // => [1, 2, 3, [4]]\n\t     *\n\t     * console.log(array);\n\t     * // => [1]\n\t     */\n\t    function concat() {\n\t      var length = arguments.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      var args = Array(length - 1),\n\t          array = arguments[0],\n\t          index = length;\n\t\n\t      while (index--) {\n\t        args[index - 1] = arguments[index];\n\t      }\n\t      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of `array` values not included in the other given arrays\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. The order and references of result values are\n\t     * determined by the first array.\n\t     *\n\t     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.without, _.xor\n\t     * @example\n\t     *\n\t     * _.difference([2, 1], [2, 3]);\n\t     * // => [1]\n\t     */\n\t    var difference = baseRest(function(array, values) {\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.difference` except that it accepts `iteratee` which\n\t     * is invoked for each element of `array` and `values` to generate the criterion\n\t     * by which they're compared. The order and references of result values are\n\t     * determined by the first array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    var differenceBy = baseRest(function(array, values) {\n\t      var iteratee = last(values);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.difference` except that it accepts `comparator`\n\t     * which is invoked to compare elements of `array` to `values`. The order and\n\t     * references of result values are determined by the first array. The comparator\n\t     * is invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     *\n\t     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n\t     * // => [{ 'x': 2, 'y': 1 }]\n\t     */\n\t    var differenceWith = baseRest(function(array, values) {\n\t      var comparator = last(values);\n\t      if (isArrayLikeObject(comparator)) {\n\t        comparator = undefined;\n\t      }\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements dropped from the beginning.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to drop.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.drop([1, 2, 3]);\n\t     * // => [2, 3]\n\t     *\n\t     * _.drop([1, 2, 3], 2);\n\t     * // => [3]\n\t     *\n\t     * _.drop([1, 2, 3], 5);\n\t     * // => []\n\t     *\n\t     * _.drop([1, 2, 3], 0);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function drop(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      return baseSlice(array, n < 0 ? 0 : n, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements dropped from the end.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to drop.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.dropRight([1, 2, 3]);\n\t     * // => [1, 2]\n\t     *\n\t     * _.dropRight([1, 2, 3], 2);\n\t     * // => [1]\n\t     *\n\t     * _.dropRight([1, 2, 3], 5);\n\t     * // => []\n\t     *\n\t     * _.dropRight([1, 2, 3], 0);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function dropRight(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      n = length - n;\n\t      return baseSlice(array, 0, n < 0 ? 0 : n);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` excluding elements dropped from the end.\n\t     * Elements are dropped until `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.dropRightWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.dropRightWhile(users, ['active', false]);\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.dropRightWhile(users, 'active');\n\t     * // => objects for ['barney', 'fred', 'pebbles']\n\t     */\n\t    function dropRightWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` excluding elements dropped from the beginning.\n\t     * Elements are dropped until `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.dropWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.dropWhile(users, ['active', false]);\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.dropWhile(users, 'active');\n\t     * // => objects for ['barney', 'fred', 'pebbles']\n\t     */\n\t    function dropWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Fills elements of `array` with `value` from `start` up to, but not\n\t     * including, `end`.\n\t     *\n\t     * **Note:** This method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Array\n\t     * @param {Array} array The array to fill.\n\t     * @param {*} value The value to fill `array` with.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _.fill(array, 'a');\n\t     * console.log(array);\n\t     * // => ['a', 'a', 'a']\n\t     *\n\t     * _.fill(Array(3), 2);\n\t     * // => [2, 2, 2]\n\t     *\n\t     * _.fill([4, 6, 8, 10], '*', 1, 3);\n\t     * // => [4, '*', '*', 10]\n\t     */\n\t    function fill(array, value, start, end) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n\t        start = 0;\n\t        end = length;\n\t      }\n\t      return baseFill(array, value, start, end);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.find` except that it returns the index of the first\n\t     * element `predicate` returns truthy for instead of the element itself.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {number} Returns the index of the found element, else `-1`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n\t     * // => 0\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findIndex(users, { 'user': 'fred', 'active': false });\n\t     * // => 1\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findIndex(users, ['active', false]);\n\t     * // => 0\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findIndex(users, 'active');\n\t     * // => 2\n\t     */\n\t    function findIndex(array, predicate, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\t      if (index < 0) {\n\t        index = nativeMax(length + index, 0);\n\t      }\n\t      return baseFindIndex(array, getIteratee(predicate, 3), index);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.findIndex` except that it iterates over elements\n\t     * of `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=array.length-1] The index to search from.\n\t     * @returns {number} Returns the index of the found element, else `-1`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n\t     * // => 2\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n\t     * // => 0\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findLastIndex(users, ['active', false]);\n\t     * // => 2\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findLastIndex(users, 'active');\n\t     * // => 0\n\t     */\n\t    function findLastIndex(array, predicate, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = length - 1;\n\t      if (fromIndex !== undefined) {\n\t        index = toInteger(fromIndex);\n\t        index = fromIndex < 0\n\t          ? nativeMax(length + index, 0)\n\t          : nativeMin(index, length - 1);\n\t      }\n\t      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n\t    }\n\t\n\t    /**\n\t     * Flattens `array` a single level deep.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * _.flatten([1, [2, [3, [4]], 5]]);\n\t     * // => [1, 2, [3, [4]], 5]\n\t     */\n\t    function flatten(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseFlatten(array, 1) : [];\n\t    }\n\t\n\t    /**\n\t     * Recursively flattens `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n\t     * // => [1, 2, 3, 4, 5]\n\t     */\n\t    function flattenDeep(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseFlatten(array, INFINITY) : [];\n\t    }\n\t\n\t    /**\n\t     * Recursively flatten `array` up to `depth` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.4.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @param {number} [depth=1] The maximum recursion depth.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * var array = [1, [2, [3, [4]], 5]];\n\t     *\n\t     * _.flattenDepth(array, 1);\n\t     * // => [1, 2, [3, [4]], 5]\n\t     *\n\t     * _.flattenDepth(array, 2);\n\t     * // => [1, 2, 3, [4], 5]\n\t     */\n\t    function flattenDepth(array, depth) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      depth = depth === undefined ? 1 : toInteger(depth);\n\t      return baseFlatten(array, depth);\n\t    }\n\t\n\t    /**\n\t     * The inverse of `_.toPairs`; this method returns an object composed\n\t     * from key-value `pairs`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} pairs The key-value pairs.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.fromPairs([['a', 1], ['b', 2]]);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    function fromPairs(pairs) {\n\t      var index = -1,\n\t          length = pairs == null ? 0 : pairs.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var pair = pairs[index];\n\t        result[pair[0]] = pair[1];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the first element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias first\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {*} Returns the first element of `array`.\n\t     * @example\n\t     *\n\t     * _.head([1, 2, 3]);\n\t     * // => 1\n\t     *\n\t     * _.head([]);\n\t     * // => undefined\n\t     */\n\t    function head(array) {\n\t      return (array && array.length) ? array[0] : undefined;\n\t    }\n\t\n\t    /**\n\t     * Gets the index at which the first occurrence of `value` is found in `array`\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. If `fromIndex` is negative, it's used as the\n\t     * offset from the end of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.indexOf([1, 2, 1, 2], 2);\n\t     * // => 1\n\t     *\n\t     * // Search from the `fromIndex`.\n\t     * _.indexOf([1, 2, 1, 2], 2, 2);\n\t     * // => 3\n\t     */\n\t    function indexOf(array, value, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\t      if (index < 0) {\n\t        index = nativeMax(length + index, 0);\n\t      }\n\t      return baseIndexOf(array, value, index);\n\t    }\n\t\n\t    /**\n\t     * Gets all but the last element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.initial([1, 2, 3]);\n\t     * // => [1, 2]\n\t     */\n\t    function initial(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseSlice(array, 0, -1) : [];\n\t    }\n\t\n\t    /**\n\t     * Creates an array of unique values that are included in all given arrays\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. The order and references of result values are\n\t     * determined by the first array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * _.intersection([2, 1], [2, 3]);\n\t     * // => [2]\n\t     */\n\t    var intersection = baseRest(function(arrays) {\n\t      var mapped = arrayMap(arrays, castArrayLikeObject);\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.intersection` except that it accepts `iteratee`\n\t     * which is invoked for each element of each `arrays` to generate the criterion\n\t     * by which they're compared. The order and references of result values are\n\t     * determined by the first array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [2.1]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }]\n\t     */\n\t    var intersectionBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays),\n\t          mapped = arrayMap(arrays, castArrayLikeObject);\n\t\n\t      if (iteratee === last(mapped)) {\n\t        iteratee = undefined;\n\t      } else {\n\t        mapped.pop();\n\t      }\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.intersection` except that it accepts `comparator`\n\t     * which is invoked to compare elements of `arrays`. The order and references\n\t     * of result values are determined by the first array. The comparator is\n\t     * invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.intersectionWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }]\n\t     */\n\t    var intersectionWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays),\n\t          mapped = arrayMap(arrays, castArrayLikeObject);\n\t\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      if (comparator) {\n\t        mapped.pop();\n\t      }\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped, undefined, comparator)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Converts all elements in `array` into a string separated by `separator`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to convert.\n\t     * @param {string} [separator=','] The element separator.\n\t     * @returns {string} Returns the joined string.\n\t     * @example\n\t     *\n\t     * _.join(['a', 'b', 'c'], '~');\n\t     * // => 'a~b~c'\n\t     */\n\t    function join(array, separator) {\n\t      return array == null ? '' : nativeJoin.call(array, separator);\n\t    }\n\t\n\t    /**\n\t     * Gets the last element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {*} Returns the last element of `array`.\n\t     * @example\n\t     *\n\t     * _.last([1, 2, 3]);\n\t     * // => 3\n\t     */\n\t    function last(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? array[length - 1] : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.indexOf` except that it iterates over elements of\n\t     * `array` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=array.length-1] The index to search from.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.lastIndexOf([1, 2, 1, 2], 2);\n\t     * // => 3\n\t     *\n\t     * // Search from the `fromIndex`.\n\t     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n\t     * // => 1\n\t     */\n\t    function lastIndexOf(array, value, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = length;\n\t      if (fromIndex !== undefined) {\n\t        index = toInteger(fromIndex);\n\t        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n\t      }\n\t      return value === value\n\t        ? strictLastIndexOf(array, value, index)\n\t        : baseFindIndex(array, baseIsNaN, index, true);\n\t    }\n\t\n\t    /**\n\t     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n\t     * element from the end is returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.11.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=0] The index of the element to return.\n\t     * @returns {*} Returns the nth element of `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'd'];\n\t     *\n\t     * _.nth(array, 1);\n\t     * // => 'b'\n\t     *\n\t     * _.nth(array, -2);\n\t     * // => 'c';\n\t     */\n\t    function nth(array, n) {\n\t      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n\t    }\n\t\n\t    /**\n\t     * Removes all given values from `array` using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n\t     * to remove elements from an array by predicate.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {...*} [values] The values to remove.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n\t     *\n\t     * _.pull(array, 'a', 'c');\n\t     * console.log(array);\n\t     * // => ['b', 'b']\n\t     */\n\t    var pull = baseRest(pullAll);\n\t\n\t    /**\n\t     * This method is like `_.pull` except that it accepts an array of values to remove.\n\t     *\n\t     * **Note:** Unlike `_.difference`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n\t     *\n\t     * _.pullAll(array, ['a', 'c']);\n\t     * console.log(array);\n\t     * // => ['b', 'b']\n\t     */\n\t    function pullAll(array, values) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values)\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n\t     * invoked for each element of `array` and `values` to generate the criterion\n\t     * by which they're compared. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n\t     *\n\t     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n\t     * console.log(array);\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    function pullAllBy(array, values, iteratee) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values, getIteratee(iteratee, 2))\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.pullAll` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `array` to `values`. The comparator is\n\t     * invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n\t     *\n\t     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n\t     * console.log(array);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n\t     */\n\t    function pullAllWith(array, values, comparator) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values, undefined, comparator)\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * Removes elements from `array` corresponding to `indexes` and returns an\n\t     * array of removed elements.\n\t     *\n\t     * **Note:** Unlike `_.at`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n\t     * @returns {Array} Returns the new array of removed elements.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'd'];\n\t     * var pulled = _.pullAt(array, [1, 3]);\n\t     *\n\t     * console.log(array);\n\t     * // => ['a', 'c']\n\t     *\n\t     * console.log(pulled);\n\t     * // => ['b', 'd']\n\t     */\n\t    var pullAt = flatRest(function(array, indexes) {\n\t      var length = array == null ? 0 : array.length,\n\t          result = baseAt(array, indexes);\n\t\n\t      basePullAt(array, arrayMap(indexes, function(index) {\n\t        return isIndex(index, length) ? +index : index;\n\t      }).sort(compareAscending));\n\t\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Removes all elements from `array` that `predicate` returns truthy for\n\t     * and returns an array of the removed elements. The predicate is invoked\n\t     * with three arguments: (value, index, array).\n\t     *\n\t     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n\t     * to pull elements from an array by value.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new array of removed elements.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3, 4];\n\t     * var evens = _.remove(array, function(n) {\n\t     *   return n % 2 == 0;\n\t     * });\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 3]\n\t     *\n\t     * console.log(evens);\n\t     * // => [2, 4]\n\t     */\n\t    function remove(array, predicate) {\n\t      var result = [];\n\t      if (!(array && array.length)) {\n\t        return result;\n\t      }\n\t      var index = -1,\n\t          indexes = [],\n\t          length = array.length;\n\t\n\t      predicate = getIteratee(predicate, 3);\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (predicate(value, index, array)) {\n\t          result.push(value);\n\t          indexes.push(index);\n\t        }\n\t      }\n\t      basePullAt(array, indexes);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Reverses `array` so that the first element becomes the last, the second\n\t     * element becomes the second to last, and so on.\n\t     *\n\t     * **Note:** This method mutates `array` and is based on\n\t     * [`Array#reverse`](https://mdn.io/Array/reverse).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _.reverse(array);\n\t     * // => [3, 2, 1]\n\t     *\n\t     * console.log(array);\n\t     * // => [3, 2, 1]\n\t     */\n\t    function reverse(array) {\n\t      return array == null ? array : nativeReverse.call(array);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` from `start` up to, but not including, `end`.\n\t     *\n\t     * **Note:** This method is used instead of\n\t     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n\t     * returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to slice.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function slice(array, start, end) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n\t        start = 0;\n\t        end = length;\n\t      }\n\t      else {\n\t        start = start == null ? 0 : toInteger(start);\n\t        end = end === undefined ? length : toInteger(end);\n\t      }\n\t      return baseSlice(array, start, end);\n\t    }\n\t\n\t    /**\n\t     * Uses a binary search to determine the lowest index at which `value`\n\t     * should be inserted into `array` in order to maintain its sort order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * _.sortedIndex([30, 50], 40);\n\t     * // => 1\n\t     */\n\t    function sortedIndex(array, value) {\n\t      return baseSortedIndex(array, value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n\t     * which is invoked for `value` and each element of `array` to compute their\n\t     * sort ranking. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n\t     *\n\t     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n\t     * // => 0\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n\t     * // => 0\n\t     */\n\t    function sortedIndexBy(array, value, iteratee) {\n\t      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.indexOf` except that it performs a binary\n\t     * search on a sorted `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n\t     * // => 1\n\t     */\n\t    function sortedIndexOf(array, value) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (length) {\n\t        var index = baseSortedIndex(array, value);\n\t        if (index < length && eq(array[index], value)) {\n\t          return index;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedIndex` except that it returns the highest\n\t     * index at which `value` should be inserted into `array` in order to\n\t     * maintain its sort order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n\t     * // => 4\n\t     */\n\t    function sortedLastIndex(array, value) {\n\t      return baseSortedIndex(array, value, true);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n\t     * which is invoked for `value` and each element of `array` to compute their\n\t     * sort ranking. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n\t     *\n\t     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n\t     * // => 1\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n\t     * // => 1\n\t     */\n\t    function sortedLastIndexBy(array, value, iteratee) {\n\t      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.lastIndexOf` except that it performs a binary\n\t     * search on a sorted `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n\t     * // => 3\n\t     */\n\t    function sortedLastIndexOf(array, value) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (length) {\n\t        var index = baseSortedIndex(array, value, true) - 1;\n\t        if (eq(array[index], value)) {\n\t          return index;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it's designed and optimized\n\t     * for sorted arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.sortedUniq([1, 1, 2]);\n\t     * // => [1, 2]\n\t     */\n\t    function sortedUniq(array) {\n\t      return (array && array.length)\n\t        ? baseSortedUniq(array)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniqBy` except that it's designed and optimized\n\t     * for sorted arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n\t     * // => [1.1, 2.3]\n\t     */\n\t    function sortedUniqBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Gets all but the first element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.tail([1, 2, 3]);\n\t     * // => [2, 3]\n\t     */\n\t    function tail(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseSlice(array, 1, length) : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements taken from the beginning.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to take.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.take([1, 2, 3]);\n\t     * // => [1]\n\t     *\n\t     * _.take([1, 2, 3], 2);\n\t     * // => [1, 2]\n\t     *\n\t     * _.take([1, 2, 3], 5);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * _.take([1, 2, 3], 0);\n\t     * // => []\n\t     */\n\t    function take(array, n, guard) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      return baseSlice(array, 0, n < 0 ? 0 : n);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements taken from the end.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to take.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.takeRight([1, 2, 3]);\n\t     * // => [3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 2);\n\t     * // => [2, 3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 5);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 0);\n\t     * // => []\n\t     */\n\t    function takeRight(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      n = length - n;\n\t      return baseSlice(array, n < 0 ? 0 : n, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with elements taken from the end. Elements are\n\t     * taken until `predicate` returns falsey. The predicate is invoked with\n\t     * three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.takeRightWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.takeRightWhile(users, ['active', false]);\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.takeRightWhile(users, 'active');\n\t     * // => []\n\t     */\n\t    function takeRightWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with elements taken from the beginning. Elements\n\t     * are taken until `predicate` returns falsey. The predicate is invoked with\n\t     * three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.takeWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.takeWhile(users, ['active', false]);\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.takeWhile(users, 'active');\n\t     * // => []\n\t     */\n\t    function takeWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3))\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates an array of unique values, in order, from all given arrays using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * _.union([2], [1, 2]);\n\t     * // => [2, 1]\n\t     */\n\t    var union = baseRest(function(arrays) {\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.union` except that it accepts `iteratee` which is\n\t     * invoked for each element of each `arrays` to generate the criterion by\n\t     * which uniqueness is computed. Result values are chosen from the first\n\t     * array in which the value occurs. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n\t     * // => [2.1, 1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }, { 'x': 2 }]\n\t     */\n\t    var unionBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.union` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `arrays`. Result values are chosen from\n\t     * the first array in which the value occurs. The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.unionWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n\t     */\n\t    var unionWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays);\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n\t    });\n\t\n\t    /**\n\t     * Creates a duplicate-free version of an array, using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons, in which only the first occurrence of each element\n\t     * is kept. The order of result values is determined by the order they occur\n\t     * in the array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.uniq([2, 1, 2]);\n\t     * // => [2, 1]\n\t     */\n\t    function uniq(array) {\n\t      return (array && array.length) ? baseUniq(array) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * uniqueness is computed. The order of result values is determined by the\n\t     * order they occur in the array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n\t     * // => [2.1, 1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }, { 'x': 2 }]\n\t     */\n\t    function uniqBy(array, iteratee) {\n\t      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `array`. The order of result values is\n\t     * determined by the order they occur in the array.The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.uniqWith(objects, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n\t     */\n\t    function uniqWith(array, comparator) {\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zip` except that it accepts an array of grouped\n\t     * elements and creates an array regrouping the elements to their pre-zip\n\t     * configuration.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.2.0\n\t     * @category Array\n\t     * @param {Array} array The array of grouped elements to process.\n\t     * @returns {Array} Returns the new array of regrouped elements.\n\t     * @example\n\t     *\n\t     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n\t     * // => [['a', 1, true], ['b', 2, false]]\n\t     *\n\t     * _.unzip(zipped);\n\t     * // => [['a', 'b'], [1, 2], [true, false]]\n\t     */\n\t    function unzip(array) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      var length = 0;\n\t      array = arrayFilter(array, function(group) {\n\t        if (isArrayLikeObject(group)) {\n\t          length = nativeMax(group.length, length);\n\t          return true;\n\t        }\n\t      });\n\t      return baseTimes(length, function(index) {\n\t        return arrayMap(array, baseProperty(index));\n\t      });\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n\t     * how regrouped values should be combined. The iteratee is invoked with the\n\t     * elements of each group: (...group).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Array\n\t     * @param {Array} array The array of grouped elements to process.\n\t     * @param {Function} [iteratee=_.identity] The function to combine\n\t     *  regrouped values.\n\t     * @returns {Array} Returns the new array of regrouped elements.\n\t     * @example\n\t     *\n\t     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n\t     * // => [[1, 10, 100], [2, 20, 200]]\n\t     *\n\t     * _.unzipWith(zipped, _.add);\n\t     * // => [3, 30, 300]\n\t     */\n\t    function unzipWith(array, iteratee) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      var result = unzip(array);\n\t      if (iteratee == null) {\n\t        return result;\n\t      }\n\t      return arrayMap(result, function(group) {\n\t        return apply(iteratee, undefined, group);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates an array excluding all given values using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * **Note:** Unlike `_.pull`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...*} [values] The values to exclude.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.difference, _.xor\n\t     * @example\n\t     *\n\t     * _.without([2, 1, 2, 3], 1, 2);\n\t     * // => [3]\n\t     */\n\t    var without = baseRest(function(array, values) {\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, values)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Creates an array of unique values that is the\n\t     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n\t     * of the given arrays. The order of result values is determined by the order\n\t     * they occur in the arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.difference, _.without\n\t     * @example\n\t     *\n\t     * _.xor([2, 1], [2, 3]);\n\t     * // => [1, 3]\n\t     */\n\t    var xor = baseRest(function(arrays) {\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.xor` except that it accepts `iteratee` which is\n\t     * invoked for each element of each `arrays` to generate the criterion by\n\t     * which by which they're compared. The order of result values is determined\n\t     * by the order they occur in the arrays. The iteratee is invoked with one\n\t     * argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [1.2, 3.4]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    var xorBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.xor` except that it accepts `comparator` which is\n\t     * invoked to compare elements of `arrays`. The order of result values is\n\t     * determined by the order they occur in the arrays. The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.xorWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n\t     */\n\t    var xorWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays);\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of grouped elements, the first of which contains the\n\t     * first elements of the given arrays, the second of which contains the\n\t     * second elements of the given arrays, and so on.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to process.\n\t     * @returns {Array} Returns the new array of grouped elements.\n\t     * @example\n\t     *\n\t     * _.zip(['a', 'b'], [1, 2], [true, false]);\n\t     * // => [['a', 1, true], ['b', 2, false]]\n\t     */\n\t    var zip = baseRest(unzip);\n\t\n\t    /**\n\t     * This method is like `_.fromPairs` except that it accepts two arrays,\n\t     * one of property identifiers and one of corresponding values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.4.0\n\t     * @category Array\n\t     * @param {Array} [props=[]] The property identifiers.\n\t     * @param {Array} [values=[]] The property values.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.zipObject(['a', 'b'], [1, 2]);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    function zipObject(props, values) {\n\t      return baseZipObject(props || [], values || [], assignValue);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zipObject` except that it supports property paths.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.1.0\n\t     * @category Array\n\t     * @param {Array} [props=[]] The property identifiers.\n\t     * @param {Array} [values=[]] The property values.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n\t     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n\t     */\n\t    function zipObjectDeep(props, values) {\n\t      return baseZipObject(props || [], values || [], baseSet);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zip` except that it accepts `iteratee` to specify\n\t     * how grouped values should be combined. The iteratee is invoked with the\n\t     * elements of each group: (...group).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to process.\n\t     * @param {Function} [iteratee=_.identity] The function to combine\n\t     *  grouped values.\n\t     * @returns {Array} Returns the new array of grouped elements.\n\t     * @example\n\t     *\n\t     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n\t     *   return a + b + c;\n\t     * });\n\t     * // => [111, 222]\n\t     */\n\t    var zipWith = baseRest(function(arrays) {\n\t      var length = arrays.length,\n\t          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\t\n\t      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n\t      return unzipWith(arrays, iteratee);\n\t    });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n\t     * chain sequences enabled. The result of such sequences must be unwrapped\n\t     * with `_#value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.3.0\n\t     * @category Seq\n\t     * @param {*} value The value to wrap.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36 },\n\t     *   { 'user': 'fred',    'age': 40 },\n\t     *   { 'user': 'pebbles', 'age': 1 }\n\t     * ];\n\t     *\n\t     * var youngest = _\n\t     *   .chain(users)\n\t     *   .sortBy('age')\n\t     *   .map(function(o) {\n\t     *     return o.user + ' is ' + o.age;\n\t     *   })\n\t     *   .head()\n\t     *   .value();\n\t     * // => 'pebbles is 1'\n\t     */\n\t    function chain(value) {\n\t      var result = lodash(value);\n\t      result.__chain__ = true;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method invokes `interceptor` and returns `value`. The interceptor\n\t     * is invoked with one argument; (value). The purpose of this method is to\n\t     * \"tap into\" a method chain sequence in order to modify intermediate results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @param {*} value The value to provide to `interceptor`.\n\t     * @param {Function} interceptor The function to invoke.\n\t     * @returns {*} Returns `value`.\n\t     * @example\n\t     *\n\t     * _([1, 2, 3])\n\t     *  .tap(function(array) {\n\t     *    // Mutate input array.\n\t     *    array.pop();\n\t     *  })\n\t     *  .reverse()\n\t     *  .value();\n\t     * // => [2, 1]\n\t     */\n\t    function tap(value, interceptor) {\n\t      interceptor(value);\n\t      return value;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.tap` except that it returns the result of `interceptor`.\n\t     * The purpose of this method is to \"pass thru\" values replacing intermediate\n\t     * results in a method chain sequence.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Seq\n\t     * @param {*} value The value to provide to `interceptor`.\n\t     * @param {Function} interceptor The function to invoke.\n\t     * @returns {*} Returns the result of `interceptor`.\n\t     * @example\n\t     *\n\t     * _('  abc  ')\n\t     *  .chain()\n\t     *  .trim()\n\t     *  .thru(function(value) {\n\t     *    return [value];\n\t     *  })\n\t     *  .value();\n\t     * // => ['abc']\n\t     */\n\t    function thru(value, interceptor) {\n\t      return interceptor(value);\n\t    }\n\t\n\t    /**\n\t     * This method is the wrapper version of `_.at`.\n\t     *\n\t     * @name at\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Seq\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t     *\n\t     * _(object).at(['a[0].b.c', 'a[1]']).value();\n\t     * // => [3, 4]\n\t     */\n\t    var wrapperAt = flatRest(function(paths) {\n\t      var length = paths.length,\n\t          start = length ? paths[0] : 0,\n\t          value = this.__wrapped__,\n\t          interceptor = function(object) { return baseAt(object, paths); };\n\t\n\t      if (length > 1 || this.__actions__.length ||\n\t          !(value instanceof LazyWrapper) || !isIndex(start)) {\n\t        return this.thru(interceptor);\n\t      }\n\t      value = value.slice(start, +start + (length ? 1 : 0));\n\t      value.__actions__.push({\n\t        'func': thru,\n\t        'args': [interceptor],\n\t        'thisArg': undefined\n\t      });\n\t      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n\t        if (length && !array.length) {\n\t          array.push(undefined);\n\t        }\n\t        return array;\n\t      });\n\t    });\n\t\n\t    /**\n\t     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n\t     *\n\t     * @name chain\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36 },\n\t     *   { 'user': 'fred',   'age': 40 }\n\t     * ];\n\t     *\n\t     * // A sequence without explicit chaining.\n\t     * _(users).head();\n\t     * // => { 'user': 'barney', 'age': 36 }\n\t     *\n\t     * // A sequence with explicit chaining.\n\t     * _(users)\n\t     *   .chain()\n\t     *   .head()\n\t     *   .pick('user')\n\t     *   .value();\n\t     * // => { 'user': 'barney' }\n\t     */\n\t    function wrapperChain() {\n\t      return chain(this);\n\t    }\n\t\n\t    /**\n\t     * Executes the chain sequence and returns the wrapped result.\n\t     *\n\t     * @name commit\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var array = [1, 2];\n\t     * var wrapped = _(array).push(3);\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 2]\n\t     *\n\t     * wrapped = wrapped.commit();\n\t     * console.log(array);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * wrapped.last();\n\t     * // => 3\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function wrapperCommit() {\n\t      return new LodashWrapper(this.value(), this.__chain__);\n\t    }\n\t\n\t    /**\n\t     * Gets the next value on a wrapped object following the\n\t     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n\t     *\n\t     * @name next\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the next iterator value.\n\t     * @example\n\t     *\n\t     * var wrapped = _([1, 2]);\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': false, 'value': 1 }\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': false, 'value': 2 }\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': true, 'value': undefined }\n\t     */\n\t    function wrapperNext() {\n\t      if (this.__values__ === undefined) {\n\t        this.__values__ = toArray(this.value());\n\t      }\n\t      var done = this.__index__ >= this.__values__.length,\n\t          value = done ? undefined : this.__values__[this.__index__++];\n\t\n\t      return { 'done': done, 'value': value };\n\t    }\n\t\n\t    /**\n\t     * Enables the wrapper to be iterable.\n\t     *\n\t     * @name Symbol.iterator\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the wrapper object.\n\t     * @example\n\t     *\n\t     * var wrapped = _([1, 2]);\n\t     *\n\t     * wrapped[Symbol.iterator]() === wrapped;\n\t     * // => true\n\t     *\n\t     * Array.from(wrapped);\n\t     * // => [1, 2]\n\t     */\n\t    function wrapperToIterator() {\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n\t     *\n\t     * @name plant\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Seq\n\t     * @param {*} value The value to plant.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var wrapped = _([1, 2]).map(square);\n\t     * var other = wrapped.plant([3, 4]);\n\t     *\n\t     * other.value();\n\t     * // => [9, 16]\n\t     *\n\t     * wrapped.value();\n\t     * // => [1, 4]\n\t     */\n\t    function wrapperPlant(value) {\n\t      var result,\n\t          parent = this;\n\t\n\t      while (parent instanceof baseLodash) {\n\t        var clone = wrapperClone(parent);\n\t        clone.__index__ = 0;\n\t        clone.__values__ = undefined;\n\t        if (result) {\n\t          previous.__wrapped__ = clone;\n\t        } else {\n\t          result = clone;\n\t        }\n\t        var previous = clone;\n\t        parent = parent.__wrapped__;\n\t      }\n\t      previous.__wrapped__ = value;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is the wrapper version of `_.reverse`.\n\t     *\n\t     * **Note:** This method mutates the wrapped array.\n\t     *\n\t     * @name reverse\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _(array).reverse().value()\n\t     * // => [3, 2, 1]\n\t     *\n\t     * console.log(array);\n\t     * // => [3, 2, 1]\n\t     */\n\t    function wrapperReverse() {\n\t      var value = this.__wrapped__;\n\t      if (value instanceof LazyWrapper) {\n\t        var wrapped = value;\n\t        if (this.__actions__.length) {\n\t          wrapped = new LazyWrapper(this);\n\t        }\n\t        wrapped = wrapped.reverse();\n\t        wrapped.__actions__.push({\n\t          'func': thru,\n\t          'args': [reverse],\n\t          'thisArg': undefined\n\t        });\n\t        return new LodashWrapper(wrapped, this.__chain__);\n\t      }\n\t      return this.thru(reverse);\n\t    }\n\t\n\t    /**\n\t     * Executes the chain sequence to resolve the unwrapped value.\n\t     *\n\t     * @name value\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias toJSON, valueOf\n\t     * @category Seq\n\t     * @returns {*} Returns the resolved unwrapped value.\n\t     * @example\n\t     *\n\t     * _([1, 2, 3]).value();\n\t     * // => [1, 2, 3]\n\t     */\n\t    function wrapperValue() {\n\t      return baseWrapperValue(this.__wrapped__, this.__actions__);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The corresponding value of\n\t     * each key is the number of times the key was returned by `iteratee`. The\n\t     * iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n\t     * // => { '4': 1, '6': 2 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.countBy(['one', 'two', 'three'], 'length');\n\t     * // => { '3': 2, '5': 1 }\n\t     */\n\t    var countBy = createAggregator(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, key)) {\n\t        ++result[key];\n\t      } else {\n\t        baseAssignValue(result, key, 1);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n\t     * Iteration is stopped once `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index|key, collection).\n\t     *\n\t     * **Note:** This method returns `true` for\n\t     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n\t     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n\t     * elements of empty collections.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.every([true, 1, null, 'yes'], Boolean);\n\t     * // => false\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': false },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.every(users, { 'user': 'barney', 'active': false });\n\t     * // => false\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.every(users, ['active', false]);\n\t     * // => true\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.every(users, 'active');\n\t     * // => false\n\t     */\n\t    function every(collection, predicate, guard) {\n\t      var func = isArray(collection) ? arrayEvery : baseEvery;\n\t      if (guard && isIterateeCall(collection, predicate, guard)) {\n\t        predicate = undefined;\n\t      }\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection`, returning an array of all elements\n\t     * `predicate` returns truthy for. The predicate is invoked with three\n\t     * arguments: (value, index|key, collection).\n\t     *\n\t     * **Note:** Unlike `_.remove`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     * @see _.reject\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': true },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * _.filter(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.filter(users, { 'age': 36, 'active': true });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.filter(users, ['active', false]);\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.filter(users, 'active');\n\t     * // => objects for ['barney']\n\t     */\n\t    function filter(collection, predicate) {\n\t      var func = isArray(collection) ? arrayFilter : baseFilter;\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection`, returning the first element\n\t     * `predicate` returns truthy for. The predicate is invoked with three\n\t     * arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {*} Returns the matched element, else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36, 'active': true },\n\t     *   { 'user': 'fred',    'age': 40, 'active': false },\n\t     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n\t     * ];\n\t     *\n\t     * _.find(users, function(o) { return o.age < 40; });\n\t     * // => object for 'barney'\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.find(users, { 'age': 1, 'active': true });\n\t     * // => object for 'pebbles'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.find(users, ['active', false]);\n\t     * // => object for 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.find(users, 'active');\n\t     * // => object for 'barney'\n\t     */\n\t    var find = createFind(findIndex);\n\t\n\t    /**\n\t     * This method is like `_.find` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=collection.length-1] The index to search from.\n\t     * @returns {*} Returns the matched element, else `undefined`.\n\t     * @example\n\t     *\n\t     * _.findLast([1, 2, 3, 4], function(n) {\n\t     *   return n % 2 == 1;\n\t     * });\n\t     * // => 3\n\t     */\n\t    var findLast = createFind(findLastIndex);\n\t\n\t    /**\n\t     * Creates a flattened array of values by running each element in `collection`\n\t     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n\t     * with three arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [n, n];\n\t     * }\n\t     *\n\t     * _.flatMap([1, 2], duplicate);\n\t     * // => [1, 1, 2, 2]\n\t     */\n\t    function flatMap(collection, iteratee) {\n\t      return baseFlatten(map(collection, iteratee), 1);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.flatMap` except that it recursively flattens the\n\t     * mapped results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [[[n, n]]];\n\t     * }\n\t     *\n\t     * _.flatMapDeep([1, 2], duplicate);\n\t     * // => [1, 1, 2, 2]\n\t     */\n\t    function flatMapDeep(collection, iteratee) {\n\t      return baseFlatten(map(collection, iteratee), INFINITY);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.flatMap` except that it recursively flattens the\n\t     * mapped results up to `depth` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {number} [depth=1] The maximum recursion depth.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [[[n, n]]];\n\t     * }\n\t     *\n\t     * _.flatMapDepth([1, 2], duplicate, 2);\n\t     * // => [[1, 1], [2, 2]]\n\t     */\n\t    function flatMapDepth(collection, iteratee, depth) {\n\t      depth = depth === undefined ? 1 : toInteger(depth);\n\t      return baseFlatten(map(collection, iteratee), depth);\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n\t     * The iteratee is invoked with three arguments: (value, index|key, collection).\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n\t     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n\t     * or `_.forOwn` for object iteration.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias each\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     * @see _.forEachRight\n\t     * @example\n\t     *\n\t     * _.forEach([1, 2], function(value) {\n\t     *   console.log(value);\n\t     * });\n\t     * // => Logs `1` then `2`.\n\t     *\n\t     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t     */\n\t    function forEach(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayEach : baseEach;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forEach` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @alias eachRight\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     * @see _.forEach\n\t     * @example\n\t     *\n\t     * _.forEachRight([1, 2], function(value) {\n\t     *   console.log(value);\n\t     * });\n\t     * // => Logs `2` then `1`.\n\t     */\n\t    function forEachRight(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The order of grouped values\n\t     * is determined by the order they occur in `collection`. The corresponding\n\t     * value of each key is an array of elements responsible for generating the\n\t     * key. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n\t     * // => { '4': [4.2], '6': [6.1, 6.3] }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.groupBy(['one', 'two', 'three'], 'length');\n\t     * // => { '3': ['one', 'two'], '5': ['three'] }\n\t     */\n\t    var groupBy = createAggregator(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, key)) {\n\t        result[key].push(value);\n\t      } else {\n\t        baseAssignValue(result, key, [value]);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Checks if `value` is in `collection`. If `collection` is a string, it's\n\t     * checked for a substring of `value`, otherwise\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n\t     * the offset from the end of `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object|string} collection The collection to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n\t     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n\t     * @example\n\t     *\n\t     * _.includes([1, 2, 3], 1);\n\t     * // => true\n\t     *\n\t     * _.includes([1, 2, 3], 1, 2);\n\t     * // => false\n\t     *\n\t     * _.includes({ 'a': 1, 'b': 2 }, 1);\n\t     * // => true\n\t     *\n\t     * _.includes('abcd', 'bc');\n\t     * // => true\n\t     */\n\t    function includes(collection, value, fromIndex, guard) {\n\t      collection = isArrayLike(collection) ? collection : values(collection);\n\t      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\t\n\t      var length = collection.length;\n\t      if (fromIndex < 0) {\n\t        fromIndex = nativeMax(length + fromIndex, 0);\n\t      }\n\t      return isString(collection)\n\t        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n\t        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n\t    }\n\t\n\t    /**\n\t     * Invokes the method at `path` of each element in `collection`, returning\n\t     * an array of the results of each invoked method. Any additional arguments\n\t     * are provided to each invoked method. If `path` is a function, it's invoked\n\t     * for, and `this` bound to, each element in `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Array|Function|string} path The path of the method to invoke or\n\t     *  the function invoked per iteration.\n\t     * @param {...*} [args] The arguments to invoke each method with.\n\t     * @returns {Array} Returns the array of results.\n\t     * @example\n\t     *\n\t     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n\t     * // => [[1, 5, 7], [1, 2, 3]]\n\t     *\n\t     * _.invokeMap([123, 456], String.prototype.split, '');\n\t     * // => [['1', '2', '3'], ['4', '5', '6']]\n\t     */\n\t    var invokeMap = baseRest(function(collection, path, args) {\n\t      var index = -1,\n\t          isFunc = typeof path == 'function',\n\t          result = isArrayLike(collection) ? Array(collection.length) : [];\n\t\n\t      baseEach(collection, function(value) {\n\t        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n\t      });\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The corresponding value of\n\t     * each key is the last element responsible for generating the key. The\n\t     * iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * var array = [\n\t     *   { 'dir': 'left', 'code': 97 },\n\t     *   { 'dir': 'right', 'code': 100 }\n\t     * ];\n\t     *\n\t     * _.keyBy(array, function(o) {\n\t     *   return String.fromCharCode(o.code);\n\t     * });\n\t     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n\t     *\n\t     * _.keyBy(array, 'dir');\n\t     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n\t     */\n\t    var keyBy = createAggregator(function(result, value, key) {\n\t      baseAssignValue(result, key, value);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of values by running each element in `collection` thru\n\t     * `iteratee`. The iteratee is invoked with three arguments:\n\t     * (value, index|key, collection).\n\t     *\n\t     * Many lodash methods are guarded to work as iteratees for methods like\n\t     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n\t     *\n\t     * The guarded methods are:\n\t     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n\t     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n\t     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n\t     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new mapped array.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * _.map([4, 8], square);\n\t     * // => [16, 64]\n\t     *\n\t     * _.map({ 'a': 4, 'b': 8 }, square);\n\t     * // => [16, 64] (iteration order is not guaranteed)\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney' },\n\t     *   { 'user': 'fred' }\n\t     * ];\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.map(users, 'user');\n\t     * // => ['barney', 'fred']\n\t     */\n\t    function map(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayMap : baseMap;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortBy` except that it allows specifying the sort\n\t     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n\t     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n\t     * descending or \"asc\" for ascending sort order of corresponding values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n\t     *  The iteratees to sort by.\n\t     * @param {string[]} [orders] The sort orders of `iteratees`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n\t     * @returns {Array} Returns the new sorted array.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'fred',   'age': 48 },\n\t     *   { 'user': 'barney', 'age': 34 },\n\t     *   { 'user': 'fred',   'age': 40 },\n\t     *   { 'user': 'barney', 'age': 36 }\n\t     * ];\n\t     *\n\t     * // Sort by `user` in ascending order and by `age` in descending order.\n\t     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n\t     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n\t     */\n\t    function orderBy(collection, iteratees, orders, guard) {\n\t      if (collection == null) {\n\t        return [];\n\t      }\n\t      if (!isArray(iteratees)) {\n\t        iteratees = iteratees == null ? [] : [iteratees];\n\t      }\n\t      orders = guard ? undefined : orders;\n\t      if (!isArray(orders)) {\n\t        orders = orders == null ? [] : [orders];\n\t      }\n\t      return baseOrderBy(collection, iteratees, orders);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of elements split into two groups, the first of which\n\t     * contains elements `predicate` returns truthy for, the second of which\n\t     * contains elements `predicate` returns falsey for. The predicate is\n\t     * invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the array of grouped elements.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36, 'active': false },\n\t     *   { 'user': 'fred',    'age': 40, 'active': true },\n\t     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n\t     * ];\n\t     *\n\t     * _.partition(users, function(o) { return o.active; });\n\t     * // => objects for [['fred'], ['barney', 'pebbles']]\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.partition(users, { 'age': 1, 'active': false });\n\t     * // => objects for [['pebbles'], ['barney', 'fred']]\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.partition(users, ['active', false]);\n\t     * // => objects for [['barney', 'pebbles'], ['fred']]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.partition(users, 'active');\n\t     * // => objects for [['fred'], ['barney', 'pebbles']]\n\t     */\n\t    var partition = createAggregator(function(result, value, key) {\n\t      result[key ? 0 : 1].push(value);\n\t    }, function() { return [[], []]; });\n\t\n\t    /**\n\t     * Reduces `collection` to a value which is the accumulated result of running\n\t     * each element in `collection` thru `iteratee`, where each successive\n\t     * invocation is supplied the return value of the previous. If `accumulator`\n\t     * is not given, the first element of `collection` is used as the initial\n\t     * value. The iteratee is invoked with four arguments:\n\t     * (accumulator, value, index|key, collection).\n\t     *\n\t     * Many lodash methods are guarded to work as iteratees for methods like\n\t     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n\t     *\n\t     * The guarded methods are:\n\t     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n\t     * and `sortBy`\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The initial value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @see _.reduceRight\n\t     * @example\n\t     *\n\t     * _.reduce([1, 2], function(sum, n) {\n\t     *   return sum + n;\n\t     * }, 0);\n\t     * // => 3\n\t     *\n\t     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t     *   (result[value] || (result[value] = [])).push(key);\n\t     *   return result;\n\t     * }, {});\n\t     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n\t     */\n\t    function reduce(collection, iteratee, accumulator) {\n\t      var func = isArray(collection) ? arrayReduce : baseReduce,\n\t          initAccum = arguments.length < 3;\n\t\n\t      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.reduce` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The initial value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @see _.reduce\n\t     * @example\n\t     *\n\t     * var array = [[0, 1], [2, 3], [4, 5]];\n\t     *\n\t     * _.reduceRight(array, function(flattened, other) {\n\t     *   return flattened.concat(other);\n\t     * }, []);\n\t     * // => [4, 5, 2, 3, 0, 1]\n\t     */\n\t    function reduceRight(collection, iteratee, accumulator) {\n\t      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n\t          initAccum = arguments.length < 3;\n\t\n\t      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.filter`; this method returns the elements of `collection`\n\t     * that `predicate` does **not** return truthy for.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     * @see _.filter\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': false },\n\t     *   { 'user': 'fred',   'age': 40, 'active': true }\n\t     * ];\n\t     *\n\t     * _.reject(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.reject(users, { 'age': 40, 'active': true });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.reject(users, ['active', false]);\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.reject(users, 'active');\n\t     * // => objects for ['barney']\n\t     */\n\t    function reject(collection, predicate) {\n\t      var func = isArray(collection) ? arrayFilter : baseFilter;\n\t      return func(collection, negate(getIteratee(predicate, 3)));\n\t    }\n\t\n\t    /**\n\t     * Gets a random element from `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @returns {*} Returns the random element.\n\t     * @example\n\t     *\n\t     * _.sample([1, 2, 3, 4]);\n\t     * // => 2\n\t     */\n\t    function sample(collection) {\n\t      var func = isArray(collection) ? arraySample : baseSample;\n\t      return func(collection);\n\t    }\n\t\n\t    /**\n\t     * Gets `n` random elements at unique keys from `collection` up to the\n\t     * size of `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @param {number} [n=1] The number of elements to sample.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the random elements.\n\t     * @example\n\t     *\n\t     * _.sampleSize([1, 2, 3], 2);\n\t     * // => [3, 1]\n\t     *\n\t     * _.sampleSize([1, 2, 3], 4);\n\t     * // => [2, 3, 1]\n\t     */\n\t    function sampleSize(collection, n, guard) {\n\t      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n\t        n = 1;\n\t      } else {\n\t        n = toInteger(n);\n\t      }\n\t      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n\t      return func(collection, n);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of shuffled values, using a version of the\n\t     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     * @example\n\t     *\n\t     * _.shuffle([1, 2, 3, 4]);\n\t     * // => [4, 1, 3, 2]\n\t     */\n\t    function shuffle(collection) {\n\t      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n\t      return func(collection);\n\t    }\n\t\n\t    /**\n\t     * Gets the size of `collection` by returning its length for array-like\n\t     * values or the number of own enumerable string keyed properties for objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object|string} collection The collection to inspect.\n\t     * @returns {number} Returns the collection size.\n\t     * @example\n\t     *\n\t     * _.size([1, 2, 3]);\n\t     * // => 3\n\t     *\n\t     * _.size({ 'a': 1, 'b': 2 });\n\t     * // => 2\n\t     *\n\t     * _.size('pebbles');\n\t     * // => 7\n\t     */\n\t    function size(collection) {\n\t      if (collection == null) {\n\t        return 0;\n\t      }\n\t      if (isArrayLike(collection)) {\n\t        return isString(collection) ? stringSize(collection) : collection.length;\n\t      }\n\t      var tag = getTag(collection);\n\t      if (tag == mapTag || tag == setTag) {\n\t        return collection.size;\n\t      }\n\t      return baseKeys(collection).length;\n\t    }\n\t\n\t    /**\n\t     * Checks if `predicate` returns truthy for **any** element of `collection`.\n\t     * Iteration is stopped once `predicate` returns truthy. The predicate is\n\t     * invoked with three arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.some([null, 0, 'yes', false], Boolean);\n\t     * // => true\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'active': true },\n\t     *   { 'user': 'fred',   'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.some(users, { 'user': 'barney', 'active': false });\n\t     * // => false\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.some(users, ['active', false]);\n\t     * // => true\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.some(users, 'active');\n\t     * // => true\n\t     */\n\t    function some(collection, predicate, guard) {\n\t      var func = isArray(collection) ? arraySome : baseSome;\n\t      if (guard && isIterateeCall(collection, predicate, guard)) {\n\t        predicate = undefined;\n\t      }\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of elements, sorted in ascending order by the results of\n\t     * running each element in a collection thru each iteratee. This method\n\t     * performs a stable sort, that is, it preserves the original sort order of\n\t     * equal elements. The iteratees are invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n\t     *  The iteratees to sort by.\n\t     * @returns {Array} Returns the new sorted array.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'fred',   'age': 48 },\n\t     *   { 'user': 'barney', 'age': 36 },\n\t     *   { 'user': 'fred',   'age': 40 },\n\t     *   { 'user': 'barney', 'age': 34 }\n\t     * ];\n\t     *\n\t     * _.sortBy(users, [function(o) { return o.user; }]);\n\t     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n\t     *\n\t     * _.sortBy(users, ['user', 'age']);\n\t     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n\t     */\n\t    var sortBy = baseRest(function(collection, iteratees) {\n\t      if (collection == null) {\n\t        return [];\n\t      }\n\t      var length = iteratees.length;\n\t      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n\t        iteratees = [];\n\t      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n\t        iteratees = [iteratees[0]];\n\t      }\n\t      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n\t    });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Gets the timestamp of the number of milliseconds that have elapsed since\n\t     * the Unix epoch (1 January 1970 00:00:00 UTC).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Date\n\t     * @returns {number} Returns the timestamp.\n\t     * @example\n\t     *\n\t     * _.defer(function(stamp) {\n\t     *   console.log(_.now() - stamp);\n\t     * }, _.now());\n\t     * // => Logs the number of milliseconds it took for the deferred invocation.\n\t     */\n\t    var now = ctxNow || function() {\n\t      return root.Date.now();\n\t    };\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * The opposite of `_.before`; this method creates a function that invokes\n\t     * `func` once it's called `n` or more times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {number} n The number of calls before `func` is invoked.\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * var saves = ['profile', 'settings'];\n\t     *\n\t     * var done = _.after(saves.length, function() {\n\t     *   console.log('done saving!');\n\t     * });\n\t     *\n\t     * _.forEach(saves, function(type) {\n\t     *   asyncSave({ 'type': type, 'complete': done });\n\t     * });\n\t     * // => Logs 'done saving!' after the two async saves have completed.\n\t     */\n\t    function after(n, func) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      n = toInteger(n);\n\t      return function() {\n\t        if (--n < 1) {\n\t          return func.apply(this, arguments);\n\t        }\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func`, with up to `n` arguments,\n\t     * ignoring any additional arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to cap arguments for.\n\t     * @param {number} [n=func.length] The arity cap.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new capped function.\n\t     * @example\n\t     *\n\t     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n\t     * // => [6, 8, 10]\n\t     */\n\t    function ary(func, n, guard) {\n\t      n = guard ? undefined : n;\n\t      n = (func && n == null) ? func.length : n;\n\t      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func`, with the `this` binding and arguments\n\t     * of the created function, while it's called less than `n` times. Subsequent\n\t     * calls to the created function return the result of the last `func` invocation.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {number} n The number of calls at which `func` is no longer invoked.\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * jQuery(element).on('click', _.before(5, addContactToList));\n\t     * // => Allows adding up to 4 contacts to the list.\n\t     */\n\t    function before(n, func) {\n\t      var result;\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      n = toInteger(n);\n\t      return function() {\n\t        if (--n > 0) {\n\t          result = func.apply(this, arguments);\n\t        }\n\t        if (n <= 1) {\n\t          func = undefined;\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n\t     * and `partials` prepended to the arguments it receives.\n\t     *\n\t     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n\t     * may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n\t     * property of bound functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to bind.\n\t     * @param {*} thisArg The `this` binding of `func`.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new bound function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, punctuation) {\n\t     *   return greeting + ' ' + this.user + punctuation;\n\t     * }\n\t     *\n\t     * var object = { 'user': 'fred' };\n\t     *\n\t     * var bound = _.bind(greet, object, 'hi');\n\t     * bound('!');\n\t     * // => 'hi fred!'\n\t     *\n\t     * // Bound with placeholders.\n\t     * var bound = _.bind(greet, object, _, '!');\n\t     * bound('hi');\n\t     * // => 'hi fred!'\n\t     */\n\t    var bind = baseRest(function(func, thisArg, partials) {\n\t      var bitmask = WRAP_BIND_FLAG;\n\t      if (partials.length) {\n\t        var holders = replaceHolders(partials, getHolder(bind));\n\t        bitmask |= WRAP_PARTIAL_FLAG;\n\t      }\n\t      return createWrap(func, bitmask, thisArg, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes the method at `object[key]` with `partials`\n\t     * prepended to the arguments it receives.\n\t     *\n\t     * This method differs from `_.bind` by allowing bound functions to reference\n\t     * methods that may be redefined or don't yet exist. See\n\t     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n\t     * for more details.\n\t     *\n\t     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.10.0\n\t     * @category Function\n\t     * @param {Object} object The object to invoke the method on.\n\t     * @param {string} key The key of the method.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new bound function.\n\t     * @example\n\t     *\n\t     * var object = {\n\t     *   'user': 'fred',\n\t     *   'greet': function(greeting, punctuation) {\n\t     *     return greeting + ' ' + this.user + punctuation;\n\t     *   }\n\t     * };\n\t     *\n\t     * var bound = _.bindKey(object, 'greet', 'hi');\n\t     * bound('!');\n\t     * // => 'hi fred!'\n\t     *\n\t     * object.greet = function(greeting, punctuation) {\n\t     *   return greeting + 'ya ' + this.user + punctuation;\n\t     * };\n\t     *\n\t     * bound('!');\n\t     * // => 'hiya fred!'\n\t     *\n\t     * // Bound with placeholders.\n\t     * var bound = _.bindKey(object, 'greet', _, '!');\n\t     * bound('hi');\n\t     * // => 'hiya fred!'\n\t     */\n\t    var bindKey = baseRest(function(object, key, partials) {\n\t      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n\t      if (partials.length) {\n\t        var holders = replaceHolders(partials, getHolder(bindKey));\n\t        bitmask |= WRAP_PARTIAL_FLAG;\n\t      }\n\t      return createWrap(key, bitmask, object, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that accepts arguments of `func` and either invokes\n\t     * `func` returning its result, if at least `arity` number of arguments have\n\t     * been provided, or returns a function that accepts the remaining `func`\n\t     * arguments, and so on. The arity of `func` may be specified if `func.length`\n\t     * is not sufficient.\n\t     *\n\t     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n\t     * may be used as a placeholder for provided arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of curried functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to curry.\n\t     * @param {number} [arity=func.length] The arity of `func`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new curried function.\n\t     * @example\n\t     *\n\t     * var abc = function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * };\n\t     *\n\t     * var curried = _.curry(abc);\n\t     *\n\t     * curried(1)(2)(3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2)(3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2, 3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * // Curried with placeholders.\n\t     * curried(1)(_, 3)(2);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function curry(func, arity, guard) {\n\t      arity = guard ? undefined : arity;\n\t      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n\t      result.placeholder = curry.placeholder;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.curry` except that arguments are applied to `func`\n\t     * in the manner of `_.partialRight` instead of `_.partial`.\n\t     *\n\t     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for provided arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of curried functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to curry.\n\t     * @param {number} [arity=func.length] The arity of `func`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new curried function.\n\t     * @example\n\t     *\n\t     * var abc = function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * };\n\t     *\n\t     * var curried = _.curryRight(abc);\n\t     *\n\t     * curried(3)(2)(1);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(2, 3)(1);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2, 3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * // Curried with placeholders.\n\t     * curried(3)(1, _)(2);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function curryRight(func, arity, guard) {\n\t      arity = guard ? undefined : arity;\n\t      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n\t      result.placeholder = curryRight.placeholder;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a debounced function that delays invoking `func` until after `wait`\n\t     * milliseconds have elapsed since the last time the debounced function was\n\t     * invoked. The debounced function comes with a `cancel` method to cancel\n\t     * delayed `func` invocations and a `flush` method to immediately invoke them.\n\t     * Provide `options` to indicate whether `func` should be invoked on the\n\t     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n\t     * with the last arguments provided to the debounced function. Subsequent\n\t     * calls to the debounced function return the result of the last `func`\n\t     * invocation.\n\t     *\n\t     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n\t     * invoked on the trailing edge of the timeout only if the debounced function\n\t     * is invoked more than once during the `wait` timeout.\n\t     *\n\t     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n\t     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n\t     *\n\t     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n\t     * for details over the differences between `_.debounce` and `_.throttle`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to debounce.\n\t     * @param {number} [wait=0] The number of milliseconds to delay.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.leading=false]\n\t     *  Specify invoking on the leading edge of the timeout.\n\t     * @param {number} [options.maxWait]\n\t     *  The maximum time `func` is allowed to be delayed before it's invoked.\n\t     * @param {boolean} [options.trailing=true]\n\t     *  Specify invoking on the trailing edge of the timeout.\n\t     * @returns {Function} Returns the new debounced function.\n\t     * @example\n\t     *\n\t     * // Avoid costly calculations while the window size is in flux.\n\t     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n\t     *\n\t     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n\t     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n\t     *   'leading': true,\n\t     *   'trailing': false\n\t     * }));\n\t     *\n\t     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n\t     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n\t     * var source = new EventSource('/stream');\n\t     * jQuery(source).on('message', debounced);\n\t     *\n\t     * // Cancel the trailing debounced invocation.\n\t     * jQuery(window).on('popstate', debounced.cancel);\n\t     */\n\t    function debounce(func, wait, options) {\n\t      var lastArgs,\n\t          lastThis,\n\t          maxWait,\n\t          result,\n\t          timerId,\n\t          lastCallTime,\n\t          lastInvokeTime = 0,\n\t          leading = false,\n\t          maxing = false,\n\t          trailing = true;\n\t\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      wait = toNumber(wait) || 0;\n\t      if (isObject(options)) {\n\t        leading = !!options.leading;\n\t        maxing = 'maxWait' in options;\n\t        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n\t        trailing = 'trailing' in options ? !!options.trailing : trailing;\n\t      }\n\t\n\t      function invokeFunc(time) {\n\t        var args = lastArgs,\n\t            thisArg = lastThis;\n\t\n\t        lastArgs = lastThis = undefined;\n\t        lastInvokeTime = time;\n\t        result = func.apply(thisArg, args);\n\t        return result;\n\t      }\n\t\n\t      function leadingEdge(time) {\n\t        // Reset any `maxWait` timer.\n\t        lastInvokeTime = time;\n\t        // Start the timer for the trailing edge.\n\t        timerId = setTimeout(timerExpired, wait);\n\t        // Invoke the leading edge.\n\t        return leading ? invokeFunc(time) : result;\n\t      }\n\t\n\t      function remainingWait(time) {\n\t        var timeSinceLastCall = time - lastCallTime,\n\t            timeSinceLastInvoke = time - lastInvokeTime,\n\t            result = wait - timeSinceLastCall;\n\t\n\t        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n\t      }\n\t\n\t      function shouldInvoke(time) {\n\t        var timeSinceLastCall = time - lastCallTime,\n\t            timeSinceLastInvoke = time - lastInvokeTime;\n\t\n\t        // Either this is the first call, activity has stopped and we're at the\n\t        // trailing edge, the system time has gone backwards and we're treating\n\t        // it as the trailing edge, or we've hit the `maxWait` limit.\n\t        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n\t          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n\t      }\n\t\n\t      function timerExpired() {\n\t        var time = now();\n\t        if (shouldInvoke(time)) {\n\t          return trailingEdge(time);\n\t        }\n\t        // Restart the timer.\n\t        timerId = setTimeout(timerExpired, remainingWait(time));\n\t      }\n\t\n\t      function trailingEdge(time) {\n\t        timerId = undefined;\n\t\n\t        // Only invoke if we have `lastArgs` which means `func` has been\n\t        // debounced at least once.\n\t        if (trailing && lastArgs) {\n\t          return invokeFunc(time);\n\t        }\n\t        lastArgs = lastThis = undefined;\n\t        return result;\n\t      }\n\t\n\t      function cancel() {\n\t        if (timerId !== undefined) {\n\t          clearTimeout(timerId);\n\t        }\n\t        lastInvokeTime = 0;\n\t        lastArgs = lastCallTime = lastThis = timerId = undefined;\n\t      }\n\t\n\t      function flush() {\n\t        return timerId === undefined ? result : trailingEdge(now());\n\t      }\n\t\n\t      function debounced() {\n\t        var time = now(),\n\t            isInvoking = shouldInvoke(time);\n\t\n\t        lastArgs = arguments;\n\t        lastThis = this;\n\t        lastCallTime = time;\n\t\n\t        if (isInvoking) {\n\t          if (timerId === undefined) {\n\t            return leadingEdge(lastCallTime);\n\t          }\n\t          if (maxing) {\n\t            // Handle invocations in a tight loop.\n\t            timerId = setTimeout(timerExpired, wait);\n\t            return invokeFunc(lastCallTime);\n\t          }\n\t        }\n\t        if (timerId === undefined) {\n\t          timerId = setTimeout(timerExpired, wait);\n\t        }\n\t        return result;\n\t      }\n\t      debounced.cancel = cancel;\n\t      debounced.flush = flush;\n\t      return debounced;\n\t    }\n\t\n\t    /**\n\t     * Defers invoking the `func` until the current call stack has cleared. Any\n\t     * additional arguments are provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to defer.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {number} Returns the timer id.\n\t     * @example\n\t     *\n\t     * _.defer(function(text) {\n\t     *   console.log(text);\n\t     * }, 'deferred');\n\t     * // => Logs 'deferred' after one millisecond.\n\t     */\n\t    var defer = baseRest(function(func, args) {\n\t      return baseDelay(func, 1, args);\n\t    });\n\t\n\t    /**\n\t     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n\t     * provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {number} Returns the timer id.\n\t     * @example\n\t     *\n\t     * _.delay(function(text) {\n\t     *   console.log(text);\n\t     * }, 1000, 'later');\n\t     * // => Logs 'later' after one second.\n\t     */\n\t    var delay = baseRest(function(func, wait, args) {\n\t      return baseDelay(func, toNumber(wait) || 0, args);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with arguments reversed.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to flip arguments for.\n\t     * @returns {Function} Returns the new flipped function.\n\t     * @example\n\t     *\n\t     * var flipped = _.flip(function() {\n\t     *   return _.toArray(arguments);\n\t     * });\n\t     *\n\t     * flipped('a', 'b', 'c', 'd');\n\t     * // => ['d', 'c', 'b', 'a']\n\t     */\n\t    function flip(func) {\n\t      return createWrap(func, WRAP_FLIP_FLAG);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that memoizes the result of `func`. If `resolver` is\n\t     * provided, it determines the cache key for storing the result based on the\n\t     * arguments provided to the memoized function. By default, the first argument\n\t     * provided to the memoized function is used as the map cache key. The `func`\n\t     * is invoked with the `this` binding of the memoized function.\n\t     *\n\t     * **Note:** The cache is exposed as the `cache` property on the memoized\n\t     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n\t     * constructor with one whose instances implement the\n\t     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n\t     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to have its output memoized.\n\t     * @param {Function} [resolver] The function to resolve the cache key.\n\t     * @returns {Function} Returns the new memoized function.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     * var other = { 'c': 3, 'd': 4 };\n\t     *\n\t     * var values = _.memoize(_.values);\n\t     * values(object);\n\t     * // => [1, 2]\n\t     *\n\t     * values(other);\n\t     * // => [3, 4]\n\t     *\n\t     * object.a = 2;\n\t     * values(object);\n\t     * // => [1, 2]\n\t     *\n\t     * // Modify the result cache.\n\t     * values.cache.set(object, ['a', 'b']);\n\t     * values(object);\n\t     * // => ['a', 'b']\n\t     *\n\t     * // Replace `_.memoize.Cache`.\n\t     * _.memoize.Cache = WeakMap;\n\t     */\n\t    function memoize(func, resolver) {\n\t      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      var memoized = function() {\n\t        var args = arguments,\n\t            key = resolver ? resolver.apply(this, args) : args[0],\n\t            cache = memoized.cache;\n\t\n\t        if (cache.has(key)) {\n\t          return cache.get(key);\n\t        }\n\t        var result = func.apply(this, args);\n\t        memoized.cache = cache.set(key, result) || cache;\n\t        return result;\n\t      };\n\t      memoized.cache = new (memoize.Cache || MapCache);\n\t      return memoized;\n\t    }\n\t\n\t    // Expose `MapCache`.\n\t    memoize.Cache = MapCache;\n\t\n\t    /**\n\t     * Creates a function that negates the result of the predicate `func`. The\n\t     * `func` predicate is invoked with the `this` binding and arguments of the\n\t     * created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} predicate The predicate to negate.\n\t     * @returns {Function} Returns the new negated function.\n\t     * @example\n\t     *\n\t     * function isEven(n) {\n\t     *   return n % 2 == 0;\n\t     * }\n\t     *\n\t     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n\t     * // => [1, 3, 5]\n\t     */\n\t    function negate(predicate) {\n\t      if (typeof predicate != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      return function() {\n\t        var args = arguments;\n\t        switch (args.length) {\n\t          case 0: return !predicate.call(this);\n\t          case 1: return !predicate.call(this, args[0]);\n\t          case 2: return !predicate.call(this, args[0], args[1]);\n\t          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n\t        }\n\t        return !predicate.apply(this, args);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that is restricted to invoking `func` once. Repeat calls\n\t     * to the function return the value of the first invocation. The `func` is\n\t     * invoked with the `this` binding and arguments of the created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * var initialize = _.once(createApplication);\n\t     * initialize();\n\t     * initialize();\n\t     * // => `createApplication` is invoked once\n\t     */\n\t    function once(func) {\n\t      return before(2, func);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with its arguments transformed.\n\t     *\n\t     * @static\n\t     * @since 4.0.0\n\t     * @memberOf _\n\t     * @category Function\n\t     * @param {Function} func The function to wrap.\n\t     * @param {...(Function|Function[])} [transforms=[_.identity]]\n\t     *  The argument transforms.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * function doubled(n) {\n\t     *   return n * 2;\n\t     * }\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var func = _.overArgs(function(x, y) {\n\t     *   return [x, y];\n\t     * }, [square, doubled]);\n\t     *\n\t     * func(9, 3);\n\t     * // => [81, 6]\n\t     *\n\t     * func(10, 5);\n\t     * // => [100, 10]\n\t     */\n\t    var overArgs = castRest(function(func, transforms) {\n\t      transforms = (transforms.length == 1 && isArray(transforms[0]))\n\t        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n\t        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\t\n\t      var funcsLength = transforms.length;\n\t      return baseRest(function(args) {\n\t        var index = -1,\n\t            length = nativeMin(args.length, funcsLength);\n\t\n\t        while (++index < length) {\n\t          args[index] = transforms[index].call(this, args[index]);\n\t        }\n\t        return apply(func, this, args);\n\t      });\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with `partials` prepended to the\n\t     * arguments it receives. This method is like `_.bind` except it does **not**\n\t     * alter the `this` binding.\n\t     *\n\t     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of partially\n\t     * applied functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.2.0\n\t     * @category Function\n\t     * @param {Function} func The function to partially apply arguments to.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new partially applied function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, name) {\n\t     *   return greeting + ' ' + name;\n\t     * }\n\t     *\n\t     * var sayHelloTo = _.partial(greet, 'hello');\n\t     * sayHelloTo('fred');\n\t     * // => 'hello fred'\n\t     *\n\t     * // Partially applied with placeholders.\n\t     * var greetFred = _.partial(greet, _, 'fred');\n\t     * greetFred('hi');\n\t     * // => 'hi fred'\n\t     */\n\t    var partial = baseRest(function(func, partials) {\n\t      var holders = replaceHolders(partials, getHolder(partial));\n\t      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.partial` except that partially applied arguments\n\t     * are appended to the arguments it receives.\n\t     *\n\t     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of partially\n\t     * applied functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to partially apply arguments to.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new partially applied function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, name) {\n\t     *   return greeting + ' ' + name;\n\t     * }\n\t     *\n\t     * var greetFred = _.partialRight(greet, 'fred');\n\t     * greetFred('hi');\n\t     * // => 'hi fred'\n\t     *\n\t     * // Partially applied with placeholders.\n\t     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n\t     * sayHelloTo('fred');\n\t     * // => 'hello fred'\n\t     */\n\t    var partialRight = baseRest(function(func, partials) {\n\t      var holders = replaceHolders(partials, getHolder(partialRight));\n\t      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with arguments arranged according\n\t     * to the specified `indexes` where the argument value at the first index is\n\t     * provided as the first argument, the argument value at the second index is\n\t     * provided as the second argument, and so on.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to rearrange arguments for.\n\t     * @param {...(number|number[])} indexes The arranged argument indexes.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var rearged = _.rearg(function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * }, [2, 0, 1]);\n\t     *\n\t     * rearged('b', 'c', 'a')\n\t     * // => ['a', 'b', 'c']\n\t     */\n\t    var rearg = flatRest(function(func, indexes) {\n\t      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of the\n\t     * created function and arguments from `start` and beyond provided as\n\t     * an array.\n\t     *\n\t     * **Note:** This method is based on the\n\t     * [rest parameter](https://mdn.io/rest_parameters).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var say = _.rest(function(what, names) {\n\t     *   return what + ' ' + _.initial(names).join(', ') +\n\t     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n\t     * });\n\t     *\n\t     * say('hello', 'fred', 'barney', 'pebbles');\n\t     * // => 'hello fred, barney, & pebbles'\n\t     */\n\t    function rest(func, start) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      start = start === undefined ? start : toInteger(start);\n\t      return baseRest(func, start);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of the\n\t     * create function and an array of arguments much like\n\t     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n\t     *\n\t     * **Note:** This method is based on the\n\t     * [spread operator](https://mdn.io/spread_operator).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Function\n\t     * @param {Function} func The function to spread arguments over.\n\t     * @param {number} [start=0] The start position of the spread.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var say = _.spread(function(who, what) {\n\t     *   return who + ' says ' + what;\n\t     * });\n\t     *\n\t     * say(['fred', 'hello']);\n\t     * // => 'fred says hello'\n\t     *\n\t     * var numbers = Promise.all([\n\t     *   Promise.resolve(40),\n\t     *   Promise.resolve(36)\n\t     * ]);\n\t     *\n\t     * numbers.then(_.spread(function(x, y) {\n\t     *   return x + y;\n\t     * }));\n\t     * // => a Promise of 76\n\t     */\n\t    function spread(func, start) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n\t      return baseRest(function(args) {\n\t        var array = args[start],\n\t            otherArgs = castSlice(args, 0, start);\n\t\n\t        if (array) {\n\t          arrayPush(otherArgs, array);\n\t        }\n\t        return apply(func, this, otherArgs);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a throttled function that only invokes `func` at most once per\n\t     * every `wait` milliseconds. The throttled function comes with a `cancel`\n\t     * method to cancel delayed `func` invocations and a `flush` method to\n\t     * immediately invoke them. Provide `options` to indicate whether `func`\n\t     * should be invoked on the leading and/or trailing edge of the `wait`\n\t     * timeout. The `func` is invoked with the last arguments provided to the\n\t     * throttled function. Subsequent calls to the throttled function return the\n\t     * result of the last `func` invocation.\n\t     *\n\t     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n\t     * invoked on the trailing edge of the timeout only if the throttled function\n\t     * is invoked more than once during the `wait` timeout.\n\t     *\n\t     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n\t     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n\t     *\n\t     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n\t     * for details over the differences between `_.throttle` and `_.debounce`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to throttle.\n\t     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.leading=true]\n\t     *  Specify invoking on the leading edge of the timeout.\n\t     * @param {boolean} [options.trailing=true]\n\t     *  Specify invoking on the trailing edge of the timeout.\n\t     * @returns {Function} Returns the new throttled function.\n\t     * @example\n\t     *\n\t     * // Avoid excessively updating the position while scrolling.\n\t     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n\t     *\n\t     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n\t     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n\t     * jQuery(element).on('click', throttled);\n\t     *\n\t     * // Cancel the trailing throttled invocation.\n\t     * jQuery(window).on('popstate', throttled.cancel);\n\t     */\n\t    function throttle(func, wait, options) {\n\t      var leading = true,\n\t          trailing = true;\n\t\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      if (isObject(options)) {\n\t        leading = 'leading' in options ? !!options.leading : leading;\n\t        trailing = 'trailing' in options ? !!options.trailing : trailing;\n\t      }\n\t      return debounce(func, wait, {\n\t        'leading': leading,\n\t        'maxWait': wait,\n\t        'trailing': trailing\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that accepts up to one argument, ignoring any\n\t     * additional arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to cap arguments for.\n\t     * @returns {Function} Returns the new capped function.\n\t     * @example\n\t     *\n\t     * _.map(['6', '8', '10'], _.unary(parseInt));\n\t     * // => [6, 8, 10]\n\t     */\n\t    function unary(func) {\n\t      return ary(func, 1);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that provides `value` to `wrapper` as its first\n\t     * argument. Any additional arguments provided to the function are appended\n\t     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n\t     * binding of the created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {*} value The value to wrap.\n\t     * @param {Function} [wrapper=identity] The wrapper function.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var p = _.wrap(_.escape, function(func, text) {\n\t     *   return '<p>' + func(text) + '</p>';\n\t     * });\n\t     *\n\t     * p('fred, barney, & pebbles');\n\t     * // => '<p>fred, barney, &amp; pebbles</p>'\n\t     */\n\t    function wrap(value, wrapper) {\n\t      return partial(castFunction(wrapper), value);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Casts `value` as an array if it's not one.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.4.0\n\t     * @category Lang\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Array} Returns the cast array.\n\t     * @example\n\t     *\n\t     * _.castArray(1);\n\t     * // => [1]\n\t     *\n\t     * _.castArray({ 'a': 1 });\n\t     * // => [{ 'a': 1 }]\n\t     *\n\t     * _.castArray('abc');\n\t     * // => ['abc']\n\t     *\n\t     * _.castArray(null);\n\t     * // => [null]\n\t     *\n\t     * _.castArray(undefined);\n\t     * // => [undefined]\n\t     *\n\t     * _.castArray();\n\t     * // => []\n\t     *\n\t     * var array = [1, 2, 3];\n\t     * console.log(_.castArray(array) === array);\n\t     * // => true\n\t     */\n\t    function castArray() {\n\t      if (!arguments.length) {\n\t        return [];\n\t      }\n\t      var value = arguments[0];\n\t      return isArray(value) ? value : [value];\n\t    }\n\t\n\t    /**\n\t     * Creates a shallow clone of `value`.\n\t     *\n\t     * **Note:** This method is loosely based on the\n\t     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n\t     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n\t     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n\t     * arrays. The own enumerable properties of `arguments` objects are cloned\n\t     * as plain objects. An empty object is returned for uncloneable values such\n\t     * as error objects, functions, DOM nodes, and WeakMaps.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to clone.\n\t     * @returns {*} Returns the cloned value.\n\t     * @see _.cloneDeep\n\t     * @example\n\t     *\n\t     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t     *\n\t     * var shallow = _.clone(objects);\n\t     * console.log(shallow[0] === objects[0]);\n\t     * // => true\n\t     */\n\t    function clone(value) {\n\t      return baseClone(value, CLONE_SYMBOLS_FLAG);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.clone` except that it accepts `customizer` which\n\t     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n\t     * cloning is handled by the method instead. The `customizer` is invoked with\n\t     * up to four arguments; (value [, index|key, object, stack]).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to clone.\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @returns {*} Returns the cloned value.\n\t     * @see _.cloneDeepWith\n\t     * @example\n\t     *\n\t     * function customizer(value) {\n\t     *   if (_.isElement(value)) {\n\t     *     return value.cloneNode(false);\n\t     *   }\n\t     * }\n\t     *\n\t     * var el = _.cloneWith(document.body, customizer);\n\t     *\n\t     * console.log(el === document.body);\n\t     * // => false\n\t     * console.log(el.nodeName);\n\t     * // => 'BODY'\n\t     * console.log(el.childNodes.length);\n\t     * // => 0\n\t     */\n\t    function cloneWith(value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.clone` except that it recursively clones `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to recursively clone.\n\t     * @returns {*} Returns the deep cloned value.\n\t     * @see _.clone\n\t     * @example\n\t     *\n\t     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t     *\n\t     * var deep = _.cloneDeep(objects);\n\t     * console.log(deep[0] === objects[0]);\n\t     * // => false\n\t     */\n\t    function cloneDeep(value) {\n\t      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.cloneWith` except that it recursively clones `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to recursively clone.\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @returns {*} Returns the deep cloned value.\n\t     * @see _.cloneWith\n\t     * @example\n\t     *\n\t     * function customizer(value) {\n\t     *   if (_.isElement(value)) {\n\t     *     return value.cloneNode(true);\n\t     *   }\n\t     * }\n\t     *\n\t     * var el = _.cloneDeepWith(document.body, customizer);\n\t     *\n\t     * console.log(el === document.body);\n\t     * // => false\n\t     * console.log(el.nodeName);\n\t     * // => 'BODY'\n\t     * console.log(el.childNodes.length);\n\t     * // => 20\n\t     */\n\t    function cloneDeepWith(value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n\t    }\n\t\n\t    /**\n\t     * Checks if `object` conforms to `source` by invoking the predicate\n\t     * properties of `source` with the corresponding property values of `object`.\n\t     *\n\t     * **Note:** This method is equivalent to `_.conforms` when `source` is\n\t     * partially applied.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.14.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     *\n\t     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n\t     * // => true\n\t     *\n\t     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n\t     * // => false\n\t     */\n\t    function conformsTo(object, source) {\n\t      return source == null || baseConformsTo(object, source, keys(source));\n\t    }\n\t\n\t    /**\n\t     * Performs a\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * comparison between two values to determine if they are equivalent.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     * var other = { 'a': 1 };\n\t     *\n\t     * _.eq(object, object);\n\t     * // => true\n\t     *\n\t     * _.eq(object, other);\n\t     * // => false\n\t     *\n\t     * _.eq('a', 'a');\n\t     * // => true\n\t     *\n\t     * _.eq('a', Object('a'));\n\t     * // => false\n\t     *\n\t     * _.eq(NaN, NaN);\n\t     * // => true\n\t     */\n\t    function eq(value, other) {\n\t      return value === other || (value !== value && other !== other);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is greater than `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t     *  else `false`.\n\t     * @see _.lt\n\t     * @example\n\t     *\n\t     * _.gt(3, 1);\n\t     * // => true\n\t     *\n\t     * _.gt(3, 3);\n\t     * // => false\n\t     *\n\t     * _.gt(1, 3);\n\t     * // => false\n\t     */\n\t    var gt = createRelationalOperation(baseGt);\n\t\n\t    /**\n\t     * Checks if `value` is greater than or equal to `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n\t     *  `other`, else `false`.\n\t     * @see _.lte\n\t     * @example\n\t     *\n\t     * _.gte(3, 1);\n\t     * // => true\n\t     *\n\t     * _.gte(3, 3);\n\t     * // => true\n\t     *\n\t     * _.gte(1, 3);\n\t     * // => false\n\t     */\n\t    var gte = createRelationalOperation(function(value, other) {\n\t      return value >= other;\n\t    });\n\t\n\t    /**\n\t     * Checks if `value` is likely an `arguments` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isArguments(function() { return arguments; }());\n\t     * // => true\n\t     *\n\t     * _.isArguments([1, 2, 3]);\n\t     * // => false\n\t     */\n\t    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n\t      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n\t        !propertyIsEnumerable.call(value, 'callee');\n\t    };\n\t\n\t    /**\n\t     * Checks if `value` is classified as an `Array` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArray([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArray(document.body.children);\n\t     * // => false\n\t     *\n\t     * _.isArray('abc');\n\t     * // => false\n\t     *\n\t     * _.isArray(_.noop);\n\t     * // => false\n\t     */\n\t    var isArray = Array.isArray;\n\t\n\t    /**\n\t     * Checks if `value` is classified as an `ArrayBuffer` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayBuffer(new ArrayBuffer(2));\n\t     * // => true\n\t     *\n\t     * _.isArrayBuffer(new Array(2));\n\t     * // => false\n\t     */\n\t    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\t\n\t    /**\n\t     * Checks if `value` is array-like. A value is considered array-like if it's\n\t     * not a function and has a `value.length` that's an integer greater than or\n\t     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayLike([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArrayLike(document.body.children);\n\t     * // => true\n\t     *\n\t     * _.isArrayLike('abc');\n\t     * // => true\n\t     *\n\t     * _.isArrayLike(_.noop);\n\t     * // => false\n\t     */\n\t    function isArrayLike(value) {\n\t      return value != null && isLength(value.length) && !isFunction(value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isArrayLike` except that it also checks if `value`\n\t     * is an object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array-like object,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayLikeObject([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArrayLikeObject(document.body.children);\n\t     * // => true\n\t     *\n\t     * _.isArrayLikeObject('abc');\n\t     * // => false\n\t     *\n\t     * _.isArrayLikeObject(_.noop);\n\t     * // => false\n\t     */\n\t    function isArrayLikeObject(value) {\n\t      return isObjectLike(value) && isArrayLike(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a boolean primitive or object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n\t     * @example\n\t     *\n\t     * _.isBoolean(false);\n\t     * // => true\n\t     *\n\t     * _.isBoolean(null);\n\t     * // => false\n\t     */\n\t    function isBoolean(value) {\n\t      return value === true || value === false ||\n\t        (isObjectLike(value) && baseGetTag(value) == boolTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a buffer.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isBuffer(new Buffer(2));\n\t     * // => true\n\t     *\n\t     * _.isBuffer(new Uint8Array(2));\n\t     * // => false\n\t     */\n\t    var isBuffer = nativeIsBuffer || stubFalse;\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Date` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isDate(new Date);\n\t     * // => true\n\t     *\n\t     * _.isDate('Mon April 23 2012');\n\t     * // => false\n\t     */\n\t    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\t\n\t    /**\n\t     * Checks if `value` is likely a DOM element.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n\t     * @example\n\t     *\n\t     * _.isElement(document.body);\n\t     * // => true\n\t     *\n\t     * _.isElement('<body>');\n\t     * // => false\n\t     */\n\t    function isElement(value) {\n\t      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an empty object, collection, map, or set.\n\t     *\n\t     * Objects are considered empty if they have no own enumerable string keyed\n\t     * properties.\n\t     *\n\t     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n\t     * jQuery-like collections are considered empty if they have a `length` of `0`.\n\t     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n\t     * @example\n\t     *\n\t     * _.isEmpty(null);\n\t     * // => true\n\t     *\n\t     * _.isEmpty(true);\n\t     * // => true\n\t     *\n\t     * _.isEmpty(1);\n\t     * // => true\n\t     *\n\t     * _.isEmpty([1, 2, 3]);\n\t     * // => false\n\t     *\n\t     * _.isEmpty({ 'a': 1 });\n\t     * // => false\n\t     */\n\t    function isEmpty(value) {\n\t      if (value == null) {\n\t        return true;\n\t      }\n\t      if (isArrayLike(value) &&\n\t          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n\t            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n\t        return !value.length;\n\t      }\n\t      var tag = getTag(value);\n\t      if (tag == mapTag || tag == setTag) {\n\t        return !value.size;\n\t      }\n\t      if (isPrototype(value)) {\n\t        return !baseKeys(value).length;\n\t      }\n\t      for (var key in value) {\n\t        if (hasOwnProperty.call(value, key)) {\n\t          return false;\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Performs a deep comparison between two values to determine if they are\n\t     * equivalent.\n\t     *\n\t     * **Note:** This method supports comparing arrays, array buffers, booleans,\n\t     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n\t     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n\t     * by their own, not inherited, enumerable properties. Functions and DOM\n\t     * nodes are compared by strict equality, i.e. `===`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     * var other = { 'a': 1 };\n\t     *\n\t     * _.isEqual(object, other);\n\t     * // => true\n\t     *\n\t     * object === other;\n\t     * // => false\n\t     */\n\t    function isEqual(value, other) {\n\t      return baseIsEqual(value, other);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isEqual` except that it accepts `customizer` which\n\t     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t     * are handled by the method instead. The `customizer` is invoked with up to\n\t     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * function isGreeting(value) {\n\t     *   return /^h(?:i|ello)$/.test(value);\n\t     * }\n\t     *\n\t     * function customizer(objValue, othValue) {\n\t     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n\t     *     return true;\n\t     *   }\n\t     * }\n\t     *\n\t     * var array = ['hello', 'goodbye'];\n\t     * var other = ['hi', 'goodbye'];\n\t     *\n\t     * _.isEqualWith(array, other, customizer);\n\t     * // => true\n\t     */\n\t    function isEqualWith(value, other, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      var result = customizer ? customizer(value, other) : undefined;\n\t      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n\t     * `SyntaxError`, `TypeError`, or `URIError` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isError(new Error);\n\t     * // => true\n\t     *\n\t     * _.isError(Error);\n\t     * // => false\n\t     */\n\t    function isError(value) {\n\t      if (!isObjectLike(value)) {\n\t        return false;\n\t      }\n\t      var tag = baseGetTag(value);\n\t      return tag == errorTag || tag == domExcTag ||\n\t        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a finite primitive number.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n\t     * @example\n\t     *\n\t     * _.isFinite(3);\n\t     * // => true\n\t     *\n\t     * _.isFinite(Number.MIN_VALUE);\n\t     * // => true\n\t     *\n\t     * _.isFinite(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isFinite('3');\n\t     * // => false\n\t     */\n\t    function isFinite(value) {\n\t      return typeof value == 'number' && nativeIsFinite(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Function` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n\t     * @example\n\t     *\n\t     * _.isFunction(_);\n\t     * // => true\n\t     *\n\t     * _.isFunction(/abc/);\n\t     * // => false\n\t     */\n\t    function isFunction(value) {\n\t      if (!isObject(value)) {\n\t        return false;\n\t      }\n\t      // The use of `Object#toString` avoids issues with the `typeof` operator\n\t      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n\t      var tag = baseGetTag(value);\n\t      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an integer.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isInteger(3);\n\t     * // => true\n\t     *\n\t     * _.isInteger(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isInteger(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isInteger('3');\n\t     * // => false\n\t     */\n\t    function isInteger(value) {\n\t      return typeof value == 'number' && value == toInteger(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a valid array-like length.\n\t     *\n\t     * **Note:** This method is loosely based on\n\t     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n\t     * @example\n\t     *\n\t     * _.isLength(3);\n\t     * // => true\n\t     *\n\t     * _.isLength(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isLength(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isLength('3');\n\t     * // => false\n\t     */\n\t    function isLength(value) {\n\t      return typeof value == 'number' &&\n\t        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is the\n\t     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n\t     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isObject({});\n\t     * // => true\n\t     *\n\t     * _.isObject([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isObject(_.noop);\n\t     * // => true\n\t     *\n\t     * _.isObject(null);\n\t     * // => false\n\t     */\n\t    function isObject(value) {\n\t      var type = typeof value;\n\t      return value != null && (type == 'object' || type == 'function');\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is object-like. A value is object-like if it's not `null`\n\t     * and has a `typeof` result of \"object\".\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n\t     * @example\n\t     *\n\t     * _.isObjectLike({});\n\t     * // => true\n\t     *\n\t     * _.isObjectLike([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isObjectLike(_.noop);\n\t     * // => false\n\t     *\n\t     * _.isObjectLike(null);\n\t     * // => false\n\t     */\n\t    function isObjectLike(value) {\n\t      return value != null && typeof value == 'object';\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Map` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n\t     * @example\n\t     *\n\t     * _.isMap(new Map);\n\t     * // => true\n\t     *\n\t     * _.isMap(new WeakMap);\n\t     * // => false\n\t     */\n\t    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\t\n\t    /**\n\t     * Performs a partial deep comparison between `object` and `source` to\n\t     * determine if `object` contains equivalent property values.\n\t     *\n\t     * **Note:** This method is equivalent to `_.matches` when `source` is\n\t     * partially applied.\n\t     *\n\t     * Partial comparisons will match empty array and empty object `source`\n\t     * values against any array or object value, respectively. See `_.isEqual`\n\t     * for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     *\n\t     * _.isMatch(object, { 'b': 2 });\n\t     * // => true\n\t     *\n\t     * _.isMatch(object, { 'b': 1 });\n\t     * // => false\n\t     */\n\t    function isMatch(object, source) {\n\t      return object === source || baseIsMatch(object, source, getMatchData(source));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isMatch` except that it accepts `customizer` which\n\t     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t     * are handled by the method instead. The `customizer` is invoked with five\n\t     * arguments: (objValue, srcValue, index|key, object, source).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     * @example\n\t     *\n\t     * function isGreeting(value) {\n\t     *   return /^h(?:i|ello)$/.test(value);\n\t     * }\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n\t     *     return true;\n\t     *   }\n\t     * }\n\t     *\n\t     * var object = { 'greeting': 'hello' };\n\t     * var source = { 'greeting': 'hi' };\n\t     *\n\t     * _.isMatchWith(object, source, customizer);\n\t     * // => true\n\t     */\n\t    function isMatchWith(object, source, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseIsMatch(object, source, getMatchData(source), customizer);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `NaN`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n\t     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n\t     * `undefined` and other non-number values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNaN(NaN);\n\t     * // => true\n\t     *\n\t     * _.isNaN(new Number(NaN));\n\t     * // => true\n\t     *\n\t     * isNaN(undefined);\n\t     * // => true\n\t     *\n\t     * _.isNaN(undefined);\n\t     * // => false\n\t     */\n\t    function isNaN(value) {\n\t      // An `NaN` primitive is the only value that is not equal to itself.\n\t      // Perform the `toStringTag` check first to avoid errors with some\n\t      // ActiveX objects in IE.\n\t      return isNumber(value) && value != +value;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a pristine native function.\n\t     *\n\t     * **Note:** This method can't reliably detect native functions in the presence\n\t     * of the core-js package because core-js circumvents this kind of detection.\n\t     * Despite multiple requests, the core-js maintainer has made it clear: any\n\t     * attempt to fix the detection will be obstructed. As a result, we're left\n\t     * with little choice but to throw an error. Unfortunately, this also affects\n\t     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n\t     * which rely on core-js.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a native function,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isNative(Array.prototype.push);\n\t     * // => true\n\t     *\n\t     * _.isNative(_);\n\t     * // => false\n\t     */\n\t    function isNative(value) {\n\t      if (isMaskable(value)) {\n\t        throw new Error(CORE_ERROR_TEXT);\n\t      }\n\t      return baseIsNative(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `null`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNull(null);\n\t     * // => true\n\t     *\n\t     * _.isNull(void 0);\n\t     * // => false\n\t     */\n\t    function isNull(value) {\n\t      return value === null;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `null` or `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNil(null);\n\t     * // => true\n\t     *\n\t     * _.isNil(void 0);\n\t     * // => true\n\t     *\n\t     * _.isNil(NaN);\n\t     * // => false\n\t     */\n\t    function isNil(value) {\n\t      return value == null;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Number` primitive or object.\n\t     *\n\t     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n\t     * classified as numbers, use the `_.isFinite` method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNumber(3);\n\t     * // => true\n\t     *\n\t     * _.isNumber(Number.MIN_VALUE);\n\t     * // => true\n\t     *\n\t     * _.isNumber(Infinity);\n\t     * // => true\n\t     *\n\t     * _.isNumber('3');\n\t     * // => false\n\t     */\n\t    function isNumber(value) {\n\t      return typeof value == 'number' ||\n\t        (isObjectLike(value) && baseGetTag(value) == numberTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a plain object, that is, an object created by the\n\t     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.8.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * _.isPlainObject(new Foo);\n\t     * // => false\n\t     *\n\t     * _.isPlainObject([1, 2, 3]);\n\t     * // => false\n\t     *\n\t     * _.isPlainObject({ 'x': 0, 'y': 0 });\n\t     * // => true\n\t     *\n\t     * _.isPlainObject(Object.create(null));\n\t     * // => true\n\t     */\n\t    function isPlainObject(value) {\n\t      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n\t        return false;\n\t      }\n\t      var proto = getPrototype(value);\n\t      if (proto === null) {\n\t        return true;\n\t      }\n\t      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n\t      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n\t        funcToString.call(Ctor) == objectCtorString;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `RegExp` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n\t     * @example\n\t     *\n\t     * _.isRegExp(/abc/);\n\t     * // => true\n\t     *\n\t     * _.isRegExp('/abc/');\n\t     * // => false\n\t     */\n\t    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\t\n\t    /**\n\t     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n\t     * double precision number which isn't the result of a rounded unsafe integer.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSafeInteger(3);\n\t     * // => true\n\t     *\n\t     * _.isSafeInteger(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isSafeInteger(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isSafeInteger('3');\n\t     * // => false\n\t     */\n\t    function isSafeInteger(value) {\n\t      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Set` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSet(new Set);\n\t     * // => true\n\t     *\n\t     * _.isSet(new WeakSet);\n\t     * // => false\n\t     */\n\t    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `String` primitive or object.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n\t     * @example\n\t     *\n\t     * _.isString('abc');\n\t     * // => true\n\t     *\n\t     * _.isString(1);\n\t     * // => false\n\t     */\n\t    function isString(value) {\n\t      return typeof value == 'string' ||\n\t        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Symbol` primitive or object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSymbol(Symbol.iterator);\n\t     * // => true\n\t     *\n\t     * _.isSymbol('abc');\n\t     * // => false\n\t     */\n\t    function isSymbol(value) {\n\t      return typeof value == 'symbol' ||\n\t        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a typed array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n\t     * @example\n\t     *\n\t     * _.isTypedArray(new Uint8Array);\n\t     * // => true\n\t     *\n\t     * _.isTypedArray([]);\n\t     * // => false\n\t     */\n\t    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\t\n\t    /**\n\t     * Checks if `value` is `undefined`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isUndefined(void 0);\n\t     * // => true\n\t     *\n\t     * _.isUndefined(null);\n\t     * // => false\n\t     */\n\t    function isUndefined(value) {\n\t      return value === undefined;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `WeakMap` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n\t     * @example\n\t     *\n\t     * _.isWeakMap(new WeakMap);\n\t     * // => true\n\t     *\n\t     * _.isWeakMap(new Map);\n\t     * // => false\n\t     */\n\t    function isWeakMap(value) {\n\t      return isObjectLike(value) && getTag(value) == weakMapTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `WeakSet` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n\t     * @example\n\t     *\n\t     * _.isWeakSet(new WeakSet);\n\t     * // => true\n\t     *\n\t     * _.isWeakSet(new Set);\n\t     * // => false\n\t     */\n\t    function isWeakSet(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is less than `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t     *  else `false`.\n\t     * @see _.gt\n\t     * @example\n\t     *\n\t     * _.lt(1, 3);\n\t     * // => true\n\t     *\n\t     * _.lt(3, 3);\n\t     * // => false\n\t     *\n\t     * _.lt(3, 1);\n\t     * // => false\n\t     */\n\t    var lt = createRelationalOperation(baseLt);\n\t\n\t    /**\n\t     * Checks if `value` is less than or equal to `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than or equal to\n\t     *  `other`, else `false`.\n\t     * @see _.gte\n\t     * @example\n\t     *\n\t     * _.lte(1, 3);\n\t     * // => true\n\t     *\n\t     * _.lte(3, 3);\n\t     * // => true\n\t     *\n\t     * _.lte(3, 1);\n\t     * // => false\n\t     */\n\t    var lte = createRelationalOperation(function(value, other) {\n\t      return value <= other;\n\t    });\n\t\n\t    /**\n\t     * Converts `value` to an array.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {Array} Returns the converted array.\n\t     * @example\n\t     *\n\t     * _.toArray({ 'a': 1, 'b': 2 });\n\t     * // => [1, 2]\n\t     *\n\t     * _.toArray('abc');\n\t     * // => ['a', 'b', 'c']\n\t     *\n\t     * _.toArray(1);\n\t     * // => []\n\t     *\n\t     * _.toArray(null);\n\t     * // => []\n\t     */\n\t    function toArray(value) {\n\t      if (!value) {\n\t        return [];\n\t      }\n\t      if (isArrayLike(value)) {\n\t        return isString(value) ? stringToArray(value) : copyArray(value);\n\t      }\n\t      if (symIterator && value[symIterator]) {\n\t        return iteratorToArray(value[symIterator]());\n\t      }\n\t      var tag = getTag(value),\n\t          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\t\n\t      return func(value);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a finite number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.12.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted number.\n\t     * @example\n\t     *\n\t     * _.toFinite(3.2);\n\t     * // => 3.2\n\t     *\n\t     * _.toFinite(Number.MIN_VALUE);\n\t     * // => 5e-324\n\t     *\n\t     * _.toFinite(Infinity);\n\t     * // => 1.7976931348623157e+308\n\t     *\n\t     * _.toFinite('3.2');\n\t     * // => 3.2\n\t     */\n\t    function toFinite(value) {\n\t      if (!value) {\n\t        return value === 0 ? value : 0;\n\t      }\n\t      value = toNumber(value);\n\t      if (value === INFINITY || value === -INFINITY) {\n\t        var sign = (value < 0 ? -1 : 1);\n\t        return sign * MAX_INTEGER;\n\t      }\n\t      return value === value ? value : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to an integer.\n\t     *\n\t     * **Note:** This method is loosely based on\n\t     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toInteger(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toInteger(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toInteger(Infinity);\n\t     * // => 1.7976931348623157e+308\n\t     *\n\t     * _.toInteger('3.2');\n\t     * // => 3\n\t     */\n\t    function toInteger(value) {\n\t      var result = toFinite(value),\n\t          remainder = result % 1;\n\t\n\t      return result === result ? (remainder ? result - remainder : result) : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to an integer suitable for use as the length of an\n\t     * array-like object.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toLength(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toLength(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toLength(Infinity);\n\t     * // => 4294967295\n\t     *\n\t     * _.toLength('3.2');\n\t     * // => 3\n\t     */\n\t    function toLength(value) {\n\t      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to process.\n\t     * @returns {number} Returns the number.\n\t     * @example\n\t     *\n\t     * _.toNumber(3.2);\n\t     * // => 3.2\n\t     *\n\t     * _.toNumber(Number.MIN_VALUE);\n\t     * // => 5e-324\n\t     *\n\t     * _.toNumber(Infinity);\n\t     * // => Infinity\n\t     *\n\t     * _.toNumber('3.2');\n\t     * // => 3.2\n\t     */\n\t    function toNumber(value) {\n\t      if (typeof value == 'number') {\n\t        return value;\n\t      }\n\t      if (isSymbol(value)) {\n\t        return NAN;\n\t      }\n\t      if (isObject(value)) {\n\t        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n\t        value = isObject(other) ? (other + '') : other;\n\t      }\n\t      if (typeof value != 'string') {\n\t        return value === 0 ? value : +value;\n\t      }\n\t      value = value.replace(reTrim, '');\n\t      var isBinary = reIsBinary.test(value);\n\t      return (isBinary || reIsOctal.test(value))\n\t        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n\t        : (reIsBadHex.test(value) ? NAN : +value);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a plain object flattening inherited enumerable string\n\t     * keyed properties of `value` to own properties of the plain object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {Object} Returns the converted plain object.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.assign({ 'a': 1 }, new Foo);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     *\n\t     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n\t     * // => { 'a': 1, 'b': 2, 'c': 3 }\n\t     */\n\t    function toPlainObject(value) {\n\t      return copyObject(value, keysIn(value));\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a safe integer. A safe integer can be compared and\n\t     * represented correctly.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toSafeInteger(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toSafeInteger(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toSafeInteger(Infinity);\n\t     * // => 9007199254740991\n\t     *\n\t     * _.toSafeInteger('3.2');\n\t     * // => 3\n\t     */\n\t    function toSafeInteger(value) {\n\t      return value\n\t        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n\t        : (value === 0 ? value : 0);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a string. An empty string is returned for `null`\n\t     * and `undefined` values. The sign of `-0` is preserved.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.toString(null);\n\t     * // => ''\n\t     *\n\t     * _.toString(-0);\n\t     * // => '-0'\n\t     *\n\t     * _.toString([1, 2, 3]);\n\t     * // => '1,2,3'\n\t     */\n\t    function toString(value) {\n\t      return value == null ? '' : baseToString(value);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Assigns own enumerable string keyed properties of source objects to the\n\t     * destination object. Source objects are applied from left to right.\n\t     * Subsequent sources overwrite property assignments of previous sources.\n\t     *\n\t     * **Note:** This method mutates `object` and is loosely based on\n\t     * [`Object.assign`](https://mdn.io/Object/assign).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.10.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * function Bar() {\n\t     *   this.c = 3;\n\t     * }\n\t     *\n\t     * Foo.prototype.b = 2;\n\t     * Bar.prototype.d = 4;\n\t     *\n\t     * _.assign({ 'a': 0 }, new Foo, new Bar);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    var assign = createAssigner(function(object, source) {\n\t      if (isPrototype(source) || isArrayLike(source)) {\n\t        copyObject(source, keys(source), object);\n\t        return;\n\t      }\n\t      for (var key in source) {\n\t        if (hasOwnProperty.call(source, key)) {\n\t          assignValue(object, key, source[key]);\n\t        }\n\t      }\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it iterates over own and\n\t     * inherited source properties.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias extend\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assign\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * function Bar() {\n\t     *   this.c = 3;\n\t     * }\n\t     *\n\t     * Foo.prototype.b = 2;\n\t     * Bar.prototype.d = 4;\n\t     *\n\t     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n\t     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n\t     */\n\t    var assignIn = createAssigner(function(object, source) {\n\t      copyObject(source, keysIn(source), object);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assignIn` except that it accepts `customizer`\n\t     * which is invoked to produce the assigned values. If `customizer` returns\n\t     * `undefined`, assignment is handled by the method instead. The `customizer`\n\t     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias extendWith\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignWith\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   return _.isUndefined(objValue) ? srcValue : objValue;\n\t     * }\n\t     *\n\t     * var defaults = _.partialRight(_.assignInWith, customizer);\n\t     *\n\t     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      copyObject(source, keysIn(source), object, customizer);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it accepts `customizer`\n\t     * which is invoked to produce the assigned values. If `customizer` returns\n\t     * `undefined`, assignment is handled by the method instead. The `customizer`\n\t     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignInWith\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   return _.isUndefined(objValue) ? srcValue : objValue;\n\t     * }\n\t     *\n\t     * var defaults = _.partialRight(_.assignWith, customizer);\n\t     *\n\t     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      copyObject(source, keys(source), object, customizer);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of values corresponding to `paths` of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Array} Returns the picked values.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t     *\n\t     * _.at(object, ['a[0].b.c', 'a[1]']);\n\t     * // => [3, 4]\n\t     */\n\t    var at = flatRest(baseAt);\n\t\n\t    /**\n\t     * Creates an object that inherits from the `prototype` object. If a\n\t     * `properties` object is given, its own enumerable string keyed properties\n\t     * are assigned to the created object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.3.0\n\t     * @category Object\n\t     * @param {Object} prototype The object to inherit from.\n\t     * @param {Object} [properties] The properties to assign to the object.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * function Shape() {\n\t     *   this.x = 0;\n\t     *   this.y = 0;\n\t     * }\n\t     *\n\t     * function Circle() {\n\t     *   Shape.call(this);\n\t     * }\n\t     *\n\t     * Circle.prototype = _.create(Shape.prototype, {\n\t     *   'constructor': Circle\n\t     * });\n\t     *\n\t     * var circle = new Circle;\n\t     * circle instanceof Circle;\n\t     * // => true\n\t     *\n\t     * circle instanceof Shape;\n\t     * // => true\n\t     */\n\t    function create(prototype, properties) {\n\t      var result = baseCreate(prototype);\n\t      return properties == null ? result : baseAssign(result, properties);\n\t    }\n\t\n\t    /**\n\t     * Assigns own and inherited enumerable string keyed properties of source\n\t     * objects to the destination object for all destination properties that\n\t     * resolve to `undefined`. Source objects are applied from left to right.\n\t     * Once a property is set, additional values of the same property are ignored.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.defaultsDeep\n\t     * @example\n\t     *\n\t     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var defaults = baseRest(function(args) {\n\t      args.push(undefined, customDefaultsAssignIn);\n\t      return apply(assignInWith, undefined, args);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.defaults` except that it recursively assigns\n\t     * default properties.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.defaults\n\t     * @example\n\t     *\n\t     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n\t     * // => { 'a': { 'b': 2, 'c': 3 } }\n\t     */\n\t    var defaultsDeep = baseRest(function(args) {\n\t      args.push(undefined, customDefaultsMerge);\n\t      return apply(mergeWith, undefined, args);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.find` except that it returns the key of the first\n\t     * element `predicate` returns truthy for instead of the element itself.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {string|undefined} Returns the key of the matched element,\n\t     *  else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'barney':  { 'age': 36, 'active': true },\n\t     *   'fred':    { 'age': 40, 'active': false },\n\t     *   'pebbles': { 'age': 1,  'active': true }\n\t     * };\n\t     *\n\t     * _.findKey(users, function(o) { return o.age < 40; });\n\t     * // => 'barney' (iteration order is not guaranteed)\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findKey(users, { 'age': 1, 'active': true });\n\t     * // => 'pebbles'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findKey(users, ['active', false]);\n\t     * // => 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findKey(users, 'active');\n\t     * // => 'barney'\n\t     */\n\t    function findKey(object, predicate) {\n\t      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.findKey` except that it iterates over elements of\n\t     * a collection in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {string|undefined} Returns the key of the matched element,\n\t     *  else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'barney':  { 'age': 36, 'active': true },\n\t     *   'fred':    { 'age': 40, 'active': false },\n\t     *   'pebbles': { 'age': 1,  'active': true }\n\t     * };\n\t     *\n\t     * _.findLastKey(users, function(o) { return o.age < 40; });\n\t     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findLastKey(users, { 'age': 36, 'active': true });\n\t     * // => 'barney'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findLastKey(users, ['active', false]);\n\t     * // => 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findLastKey(users, 'active');\n\t     * // => 'pebbles'\n\t     */\n\t    function findLastKey(object, predicate) {\n\t      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n\t    }\n\t\n\t    /**\n\t     * Iterates over own and inherited enumerable string keyed properties of an\n\t     * object and invokes `iteratee` for each property. The iteratee is invoked\n\t     * with three arguments: (value, key, object). Iteratee functions may exit\n\t     * iteration early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forInRight\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forIn(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n\t     */\n\t    function forIn(object, iteratee) {\n\t      return object == null\n\t        ? object\n\t        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forIn` except that it iterates over properties of\n\t     * `object` in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forInRight(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n\t     */\n\t    function forInRight(object, iteratee) {\n\t      return object == null\n\t        ? object\n\t        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n\t    }\n\t\n\t    /**\n\t     * Iterates over own enumerable string keyed properties of an object and\n\t     * invokes `iteratee` for each property. The iteratee is invoked with three\n\t     * arguments: (value, key, object). Iteratee functions may exit iteration\n\t     * early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forOwnRight\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forOwn(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t     */\n\t    function forOwn(object, iteratee) {\n\t      return object && baseForOwn(object, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forOwn` except that it iterates over properties of\n\t     * `object` in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forOwn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forOwnRight(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n\t     */\n\t    function forOwnRight(object, iteratee) {\n\t      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of function property names from own enumerable properties\n\t     * of `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @returns {Array} Returns the function names.\n\t     * @see _.functionsIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = _.constant('a');\n\t     *   this.b = _.constant('b');\n\t     * }\n\t     *\n\t     * Foo.prototype.c = _.constant('c');\n\t     *\n\t     * _.functions(new Foo);\n\t     * // => ['a', 'b']\n\t     */\n\t    function functions(object) {\n\t      return object == null ? [] : baseFunctions(object, keys(object));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of function property names from own and inherited\n\t     * enumerable properties of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @returns {Array} Returns the function names.\n\t     * @see _.functions\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = _.constant('a');\n\t     *   this.b = _.constant('b');\n\t     * }\n\t     *\n\t     * Foo.prototype.c = _.constant('c');\n\t     *\n\t     * _.functionsIn(new Foo);\n\t     * // => ['a', 'b', 'c']\n\t     */\n\t    function functionsIn(object) {\n\t      return object == null ? [] : baseFunctions(object, keysIn(object));\n\t    }\n\t\n\t    /**\n\t     * Gets the value at `path` of `object`. If the resolved value is\n\t     * `undefined`, the `defaultValue` is returned in its place.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.get(object, 'a[0].b.c');\n\t     * // => 3\n\t     *\n\t     * _.get(object, ['a', '0', 'b', 'c']);\n\t     * // => 3\n\t     *\n\t     * _.get(object, 'a.b.c', 'default');\n\t     * // => 'default'\n\t     */\n\t    function get(object, path, defaultValue) {\n\t      var result = object == null ? undefined : baseGet(object, path);\n\t      return result === undefined ? defaultValue : result;\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` is a direct property of `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': { 'b': 2 } };\n\t     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n\t     *\n\t     * _.has(object, 'a');\n\t     * // => true\n\t     *\n\t     * _.has(object, 'a.b');\n\t     * // => true\n\t     *\n\t     * _.has(object, ['a', 'b']);\n\t     * // => true\n\t     *\n\t     * _.has(other, 'a');\n\t     * // => false\n\t     */\n\t    function has(object, path) {\n\t      return object != null && hasPath(object, path, baseHas);\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` is a direct or inherited property of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     * @example\n\t     *\n\t     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n\t     *\n\t     * _.hasIn(object, 'a');\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, 'a.b');\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, ['a', 'b']);\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, 'b');\n\t     * // => false\n\t     */\n\t    function hasIn(object, path) {\n\t      return object != null && hasPath(object, path, baseHasIn);\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of the inverted keys and values of `object`.\n\t     * If `object` contains duplicate values, subsequent values overwrite\n\t     * property assignments of previous values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to invert.\n\t     * @returns {Object} Returns the new inverted object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t     *\n\t     * _.invert(object);\n\t     * // => { '1': 'c', '2': 'b' }\n\t     */\n\t    var invert = createInverter(function(result, value, key) {\n\t      result[value] = key;\n\t    }, constant(identity));\n\t\n\t    /**\n\t     * This method is like `_.invert` except that the inverted object is generated\n\t     * from the results of running each element of `object` thru `iteratee`. The\n\t     * corresponding inverted value of each inverted key is an array of keys\n\t     * responsible for generating the inverted value. The iteratee is invoked\n\t     * with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.1.0\n\t     * @category Object\n\t     * @param {Object} object The object to invert.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Object} Returns the new inverted object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t     *\n\t     * _.invertBy(object);\n\t     * // => { '1': ['a', 'c'], '2': ['b'] }\n\t     *\n\t     * _.invertBy(object, function(value) {\n\t     *   return 'group' + value;\n\t     * });\n\t     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n\t     */\n\t    var invertBy = createInverter(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, value)) {\n\t        result[value].push(key);\n\t      } else {\n\t        result[value] = [key];\n\t      }\n\t    }, getIteratee);\n\t\n\t    /**\n\t     * Invokes the method at `path` of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {*} Returns the result of the invoked method.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n\t     *\n\t     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n\t     * // => [2, 3]\n\t     */\n\t    var invoke = baseRest(baseInvoke);\n\t\n\t    /**\n\t     * Creates an array of the own enumerable property names of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects. See the\n\t     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n\t     * for more details.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.keys(new Foo);\n\t     * // => ['a', 'b'] (iteration order is not guaranteed)\n\t     *\n\t     * _.keys('hi');\n\t     * // => ['0', '1']\n\t     */\n\t    function keys(object) {\n\t      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable property names of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.keysIn(new Foo);\n\t     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n\t     */\n\t    function keysIn(object) {\n\t      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.mapValues`; this method creates an object with the\n\t     * same values as `object` and keys generated by running each own enumerable\n\t     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n\t     * with three arguments: (value, key, object).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns the new mapped object.\n\t     * @see _.mapValues\n\t     * @example\n\t     *\n\t     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n\t     *   return key + value;\n\t     * });\n\t     * // => { 'a1': 1, 'b2': 2 }\n\t     */\n\t    function mapKeys(object, iteratee) {\n\t      var result = {};\n\t      iteratee = getIteratee(iteratee, 3);\n\t\n\t      baseForOwn(object, function(value, key, object) {\n\t        baseAssignValue(result, iteratee(value, key, object), value);\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an object with the same keys as `object` and values generated\n\t     * by running each own enumerable string keyed property of `object` thru\n\t     * `iteratee`. The iteratee is invoked with three arguments:\n\t     * (value, key, object).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns the new mapped object.\n\t     * @see _.mapKeys\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'fred':    { 'user': 'fred',    'age': 40 },\n\t     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n\t     * };\n\t     *\n\t     * _.mapValues(users, function(o) { return o.age; });\n\t     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.mapValues(users, 'age');\n\t     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t     */\n\t    function mapValues(object, iteratee) {\n\t      var result = {};\n\t      iteratee = getIteratee(iteratee, 3);\n\t\n\t      baseForOwn(object, function(value, key, object) {\n\t        baseAssignValue(result, key, iteratee(value, key, object));\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it recursively merges own and\n\t     * inherited enumerable string keyed properties of source objects into the\n\t     * destination object. Source properties that resolve to `undefined` are\n\t     * skipped if a destination value exists. Array and plain object properties\n\t     * are merged recursively. Other objects and value types are overridden by\n\t     * assignment. Source objects are applied from left to right. Subsequent\n\t     * sources overwrite property assignments of previous sources.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {\n\t     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n\t     * };\n\t     *\n\t     * var other = {\n\t     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n\t     * };\n\t     *\n\t     * _.merge(object, other);\n\t     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n\t     */\n\t    var merge = createAssigner(function(object, source, srcIndex) {\n\t      baseMerge(object, source, srcIndex);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.merge` except that it accepts `customizer` which\n\t     * is invoked to produce the merged values of the destination and source\n\t     * properties. If `customizer` returns `undefined`, merging is handled by the\n\t     * method instead. The `customizer` is invoked with six arguments:\n\t     * (objValue, srcValue, key, object, source, stack).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} customizer The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   if (_.isArray(objValue)) {\n\t     *     return objValue.concat(srcValue);\n\t     *   }\n\t     * }\n\t     *\n\t     * var object = { 'a': [1], 'b': [2] };\n\t     * var other = { 'a': [3], 'b': [4] };\n\t     *\n\t     * _.mergeWith(object, other, customizer);\n\t     * // => { 'a': [1, 3], 'b': [2, 4] }\n\t     */\n\t    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      baseMerge(object, source, srcIndex, customizer);\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.pick`; this method creates an object composed of the\n\t     * own and inherited enumerable property paths of `object` that are not omitted.\n\t     *\n\t     * **Note:** This method is considerably slower than `_.pick`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {...(string|string[])} [paths] The property paths to omit.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.omit(object, ['a', 'c']);\n\t     * // => { 'b': '2' }\n\t     */\n\t    var omit = flatRest(function(object, paths) {\n\t      var result = {};\n\t      if (object == null) {\n\t        return result;\n\t      }\n\t      var isDeep = false;\n\t      paths = arrayMap(paths, function(path) {\n\t        path = castPath(path, object);\n\t        isDeep || (isDeep = path.length > 1);\n\t        return path;\n\t      });\n\t      copyObject(object, getAllKeysIn(object), result);\n\t      if (isDeep) {\n\t        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n\t      }\n\t      var length = paths.length;\n\t      while (length--) {\n\t        baseUnset(result, paths[length]);\n\t      }\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.pickBy`; this method creates an object composed of\n\t     * the own and inherited enumerable string keyed properties of `object` that\n\t     * `predicate` doesn't return truthy for. The predicate is invoked with two\n\t     * arguments: (value, key).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {Function} [predicate=_.identity] The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.omitBy(object, _.isNumber);\n\t     * // => { 'b': '2' }\n\t     */\n\t    function omitBy(object, predicate) {\n\t      return pickBy(object, negate(getIteratee(predicate)));\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of the picked `object` properties.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.pick(object, ['a', 'c']);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    var pick = flatRest(function(object, paths) {\n\t      return object == null ? {} : basePick(object, paths);\n\t    });\n\t\n\t    /**\n\t     * Creates an object composed of the `object` properties `predicate` returns\n\t     * truthy for. The predicate is invoked with two arguments: (value, key).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {Function} [predicate=_.identity] The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.pickBy(object, _.isNumber);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    function pickBy(object, predicate) {\n\t      if (object == null) {\n\t        return {};\n\t      }\n\t      var props = arrayMap(getAllKeysIn(object), function(prop) {\n\t        return [prop];\n\t      });\n\t      predicate = getIteratee(predicate);\n\t      return basePickBy(object, props, function(value, path) {\n\t        return predicate(value, path[0]);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.get` except that if the resolved value is a\n\t     * function it's invoked with the `this` binding of its parent object and\n\t     * its result is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to resolve.\n\t     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n\t     *\n\t     * _.result(object, 'a[0].b.c1');\n\t     * // => 3\n\t     *\n\t     * _.result(object, 'a[0].b.c2');\n\t     * // => 4\n\t     *\n\t     * _.result(object, 'a[0].b.c3', 'default');\n\t     * // => 'default'\n\t     *\n\t     * _.result(object, 'a[0].b.c3', _.constant('default'));\n\t     * // => 'default'\n\t     */\n\t    function result(object, path, defaultValue) {\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length;\n\t\n\t      // Ensure the loop is entered when path is empty.\n\t      if (!length) {\n\t        length = 1;\n\t        object = undefined;\n\t      }\n\t      while (++index < length) {\n\t        var value = object == null ? undefined : object[toKey(path[index])];\n\t        if (value === undefined) {\n\t          index = length;\n\t          value = defaultValue;\n\t        }\n\t        object = isFunction(value) ? value.call(object) : value;\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n\t     * it's created. Arrays are created for missing index properties while objects\n\t     * are created for all other missing properties. Use `_.setWith` to customize\n\t     * `path` creation.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.set(object, 'a[0].b.c', 4);\n\t     * console.log(object.a[0].b.c);\n\t     * // => 4\n\t     *\n\t     * _.set(object, ['x', '0', 'y', 'z'], 5);\n\t     * console.log(object.x[0].y.z);\n\t     * // => 5\n\t     */\n\t    function set(object, path, value) {\n\t      return object == null ? object : baseSet(object, path, value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.set` except that it accepts `customizer` which is\n\t     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n\t     * path creation is handled by the method instead. The `customizer` is invoked\n\t     * with three arguments: (nsValue, key, nsObject).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {};\n\t     *\n\t     * _.setWith(object, '[0][1]', 'a', Object);\n\t     * // => { '0': { '1': 'a' } }\n\t     */\n\t    function setWith(object, path, value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return object == null ? object : baseSet(object, path, value, customizer);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own enumerable string keyed-value pairs for `object`\n\t     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n\t     * entries are returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias entries\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the key-value pairs.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.toPairs(new Foo);\n\t     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n\t     */\n\t    var toPairs = createToPairs(keys);\n\t\n\t    /**\n\t     * Creates an array of own and inherited enumerable string keyed-value pairs\n\t     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n\t     * or set, its entries are returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias entriesIn\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the key-value pairs.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.toPairsIn(new Foo);\n\t     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n\t     */\n\t    var toPairsIn = createToPairs(keysIn);\n\t\n\t    /**\n\t     * An alternative to `_.reduce`; this method transforms `object` to a new\n\t     * `accumulator` object which is the result of running each of its own\n\t     * enumerable string keyed properties thru `iteratee`, with each invocation\n\t     * potentially mutating the `accumulator` object. If `accumulator` is not\n\t     * provided, a new object with the same `[[Prototype]]` will be used. The\n\t     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The custom accumulator value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @example\n\t     *\n\t     * _.transform([2, 3, 4], function(result, n) {\n\t     *   result.push(n *= n);\n\t     *   return n % 2 == 0;\n\t     * }, []);\n\t     * // => [4, 9]\n\t     *\n\t     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t     *   (result[value] || (result[value] = [])).push(key);\n\t     * }, {});\n\t     * // => { '1': ['a', 'c'], '2': ['b'] }\n\t     */\n\t    function transform(object, iteratee, accumulator) {\n\t      var isArr = isArray(object),\n\t          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\t\n\t      iteratee = getIteratee(iteratee, 4);\n\t      if (accumulator == null) {\n\t        var Ctor = object && object.constructor;\n\t        if (isArrLike) {\n\t          accumulator = isArr ? new Ctor : [];\n\t        }\n\t        else if (isObject(object)) {\n\t          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n\t        }\n\t        else {\n\t          accumulator = {};\n\t        }\n\t      }\n\t      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n\t        return iteratee(accumulator, value, index, object);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * Removes the property at `path` of `object`.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to unset.\n\t     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n\t     * _.unset(object, 'a[0].b.c');\n\t     * // => true\n\t     *\n\t     * console.log(object);\n\t     * // => { 'a': [{ 'b': {} }] };\n\t     *\n\t     * _.unset(object, ['a', '0', 'b', 'c']);\n\t     * // => true\n\t     *\n\t     * console.log(object);\n\t     * // => { 'a': [{ 'b': {} }] };\n\t     */\n\t    function unset(object, path) {\n\t      return object == null ? true : baseUnset(object, path);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.set` except that accepts `updater` to produce the\n\t     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n\t     * is invoked with one argument: (value).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n\t     * console.log(object.a[0].b.c);\n\t     * // => 9\n\t     *\n\t     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n\t     * console.log(object.x[0].y.z);\n\t     * // => 0\n\t     */\n\t    function update(object, path, updater) {\n\t      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.update` except that it accepts `customizer` which is\n\t     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n\t     * path creation is handled by the method instead. The `customizer` is invoked\n\t     * with three arguments: (nsValue, key, nsObject).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {};\n\t     *\n\t     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n\t     * // => { '0': { '1': 'a' } }\n\t     */\n\t    function updateWith(object, path, updater, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own enumerable string keyed property values of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property values.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.values(new Foo);\n\t     * // => [1, 2] (iteration order is not guaranteed)\n\t     *\n\t     * _.values('hi');\n\t     * // => ['h', 'i']\n\t     */\n\t    function values(object) {\n\t      return object == null ? [] : baseValues(object, keys(object));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable string keyed property\n\t     * values of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property values.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.valuesIn(new Foo);\n\t     * // => [1, 2, 3] (iteration order is not guaranteed)\n\t     */\n\t    function valuesIn(object) {\n\t      return object == null ? [] : baseValues(object, keysIn(object));\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Number\n\t     * @param {number} number The number to clamp.\n\t     * @param {number} [lower] The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the clamped number.\n\t     * @example\n\t     *\n\t     * _.clamp(-10, -5, 5);\n\t     * // => -5\n\t     *\n\t     * _.clamp(10, -5, 5);\n\t     * // => 5\n\t     */\n\t    function clamp(number, lower, upper) {\n\t      if (upper === undefined) {\n\t        upper = lower;\n\t        lower = undefined;\n\t      }\n\t      if (upper !== undefined) {\n\t        upper = toNumber(upper);\n\t        upper = upper === upper ? upper : 0;\n\t      }\n\t      if (lower !== undefined) {\n\t        lower = toNumber(lower);\n\t        lower = lower === lower ? lower : 0;\n\t      }\n\t      return baseClamp(toNumber(number), lower, upper);\n\t    }\n\t\n\t    /**\n\t     * Checks if `n` is between `start` and up to, but not including, `end`. If\n\t     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n\t     * If `start` is greater than `end` the params are swapped to support\n\t     * negative ranges.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.3.0\n\t     * @category Number\n\t     * @param {number} number The number to check.\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t     * @see _.range, _.rangeRight\n\t     * @example\n\t     *\n\t     * _.inRange(3, 2, 4);\n\t     * // => true\n\t     *\n\t     * _.inRange(4, 8);\n\t     * // => true\n\t     *\n\t     * _.inRange(4, 2);\n\t     * // => false\n\t     *\n\t     * _.inRange(2, 2);\n\t     * // => false\n\t     *\n\t     * _.inRange(1.2, 2);\n\t     * // => true\n\t     *\n\t     * _.inRange(5.2, 4);\n\t     * // => false\n\t     *\n\t     * _.inRange(-3, -2, -6);\n\t     * // => true\n\t     */\n\t    function inRange(number, start, end) {\n\t      start = toFinite(start);\n\t      if (end === undefined) {\n\t        end = start;\n\t        start = 0;\n\t      } else {\n\t        end = toFinite(end);\n\t      }\n\t      number = toNumber(number);\n\t      return baseInRange(number, start, end);\n\t    }\n\t\n\t    /**\n\t     * Produces a random number between the inclusive `lower` and `upper` bounds.\n\t     * If only one argument is provided a number between `0` and the given number\n\t     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n\t     * floats, a floating-point number is returned instead of an integer.\n\t     *\n\t     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t     * floating-point values which can produce unexpected results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.7.0\n\t     * @category Number\n\t     * @param {number} [lower=0] The lower bound.\n\t     * @param {number} [upper=1] The upper bound.\n\t     * @param {boolean} [floating] Specify returning a floating-point number.\n\t     * @returns {number} Returns the random number.\n\t     * @example\n\t     *\n\t     * _.random(0, 5);\n\t     * // => an integer between 0 and 5\n\t     *\n\t     * _.random(5);\n\t     * // => also an integer between 0 and 5\n\t     *\n\t     * _.random(5, true);\n\t     * // => a floating-point number between 0 and 5\n\t     *\n\t     * _.random(1.2, 5.2);\n\t     * // => a floating-point number between 1.2 and 5.2\n\t     */\n\t    function random(lower, upper, floating) {\n\t      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n\t        upper = floating = undefined;\n\t      }\n\t      if (floating === undefined) {\n\t        if (typeof upper == 'boolean') {\n\t          floating = upper;\n\t          upper = undefined;\n\t        }\n\t        else if (typeof lower == 'boolean') {\n\t          floating = lower;\n\t          lower = undefined;\n\t        }\n\t      }\n\t      if (lower === undefined && upper === undefined) {\n\t        lower = 0;\n\t        upper = 1;\n\t      }\n\t      else {\n\t        lower = toFinite(lower);\n\t        if (upper === undefined) {\n\t          upper = lower;\n\t          lower = 0;\n\t        } else {\n\t          upper = toFinite(upper);\n\t        }\n\t      }\n\t      if (lower > upper) {\n\t        var temp = lower;\n\t        lower = upper;\n\t        upper = temp;\n\t      }\n\t      if (floating || lower % 1 || upper % 1) {\n\t        var rand = nativeRandom();\n\t        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n\t      }\n\t      return baseRandom(lower, upper);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the camel cased string.\n\t     * @example\n\t     *\n\t     * _.camelCase('Foo Bar');\n\t     * // => 'fooBar'\n\t     *\n\t     * _.camelCase('--foo-bar--');\n\t     * // => 'fooBar'\n\t     *\n\t     * _.camelCase('__FOO_BAR__');\n\t     * // => 'fooBar'\n\t     */\n\t    var camelCase = createCompounder(function(result, word, index) {\n\t      word = word.toLowerCase();\n\t      return result + (index ? capitalize(word) : word);\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to upper case and the remaining\n\t     * to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to capitalize.\n\t     * @returns {string} Returns the capitalized string.\n\t     * @example\n\t     *\n\t     * _.capitalize('FRED');\n\t     * // => 'Fred'\n\t     */\n\t    function capitalize(string) {\n\t      return upperFirst(toString(string).toLowerCase());\n\t    }\n\t\n\t    /**\n\t     * Deburrs `string` by converting\n\t     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n\t     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n\t     * letters to basic Latin letters and removing\n\t     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to deburr.\n\t     * @returns {string} Returns the deburred string.\n\t     * @example\n\t     *\n\t     * _.deburr('déjà vu');\n\t     * // => 'deja vu'\n\t     */\n\t    function deburr(string) {\n\t      string = toString(string);\n\t      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n\t    }\n\t\n\t    /**\n\t     * Checks if `string` ends with the given target string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {string} [target] The string to search for.\n\t     * @param {number} [position=string.length] The position to search up to.\n\t     * @returns {boolean} Returns `true` if `string` ends with `target`,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.endsWith('abc', 'c');\n\t     * // => true\n\t     *\n\t     * _.endsWith('abc', 'b');\n\t     * // => false\n\t     *\n\t     * _.endsWith('abc', 'b', 2);\n\t     * // => true\n\t     */\n\t    function endsWith(string, target, position) {\n\t      string = toString(string);\n\t      target = baseToString(target);\n\t\n\t      var length = string.length;\n\t      position = position === undefined\n\t        ? length\n\t        : baseClamp(toInteger(position), 0, length);\n\t\n\t      var end = position;\n\t      position -= target.length;\n\t      return position >= 0 && string.slice(position, end) == target;\n\t    }\n\t\n\t    /**\n\t     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n\t     * corresponding HTML entities.\n\t     *\n\t     * **Note:** No other characters are escaped. To escape additional\n\t     * characters use a third-party library like [_he_](https://mths.be/he).\n\t     *\n\t     * Though the \">\" character is escaped for symmetry, characters like\n\t     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n\t     * unless they're part of a tag or unquoted attribute value. See\n\t     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n\t     * (under \"semi-related fun fact\") for more details.\n\t     *\n\t     * When working with HTML you should always\n\t     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n\t     * XSS vectors.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category String\n\t     * @param {string} [string=''] The string to escape.\n\t     * @returns {string} Returns the escaped string.\n\t     * @example\n\t     *\n\t     * _.escape('fred, barney, & pebbles');\n\t     * // => 'fred, barney, &amp; pebbles'\n\t     */\n\t    function escape(string) {\n\t      string = toString(string);\n\t      return (string && reHasUnescapedHtml.test(string))\n\t        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n\t     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to escape.\n\t     * @returns {string} Returns the escaped string.\n\t     * @example\n\t     *\n\t     * _.escapeRegExp('[lodash](https://lodash.com/)');\n\t     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n\t     */\n\t    function escapeRegExp(string) {\n\t      string = toString(string);\n\t      return (string && reHasRegExpChar.test(string))\n\t        ? string.replace(reRegExpChar, '\\\\$&')\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the kebab cased string.\n\t     * @example\n\t     *\n\t     * _.kebabCase('Foo Bar');\n\t     * // => 'foo-bar'\n\t     *\n\t     * _.kebabCase('fooBar');\n\t     * // => 'foo-bar'\n\t     *\n\t     * _.kebabCase('__FOO_BAR__');\n\t     * // => 'foo-bar'\n\t     */\n\t    var kebabCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? '-' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Converts `string`, as space separated words, to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the lower cased string.\n\t     * @example\n\t     *\n\t     * _.lowerCase('--Foo-Bar--');\n\t     * // => 'foo bar'\n\t     *\n\t     * _.lowerCase('fooBar');\n\t     * // => 'foo bar'\n\t     *\n\t     * _.lowerCase('__FOO_BAR__');\n\t     * // => 'foo bar'\n\t     */\n\t    var lowerCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.lowerFirst('Fred');\n\t     * // => 'fred'\n\t     *\n\t     * _.lowerFirst('FRED');\n\t     * // => 'fRED'\n\t     */\n\t    var lowerFirst = createCaseFirst('toLowerCase');\n\t\n\t    /**\n\t     * Pads `string` on the left and right sides if it's shorter than `length`.\n\t     * Padding characters are truncated if they can't be evenly divided by `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.pad('abc', 8);\n\t     * // => '  abc   '\n\t     *\n\t     * _.pad('abc', 8, '_-');\n\t     * // => '_-abc_-_'\n\t     *\n\t     * _.pad('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function pad(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      if (!length || strLength >= length) {\n\t        return string;\n\t      }\n\t      var mid = (length - strLength) / 2;\n\t      return (\n\t        createPadding(nativeFloor(mid), chars) +\n\t        string +\n\t        createPadding(nativeCeil(mid), chars)\n\t      );\n\t    }\n\t\n\t    /**\n\t     * Pads `string` on the right side if it's shorter than `length`. Padding\n\t     * characters are truncated if they exceed `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.padEnd('abc', 6);\n\t     * // => 'abc   '\n\t     *\n\t     * _.padEnd('abc', 6, '_-');\n\t     * // => 'abc_-_'\n\t     *\n\t     * _.padEnd('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function padEnd(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      return (length && strLength < length)\n\t        ? (string + createPadding(length - strLength, chars))\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Pads `string` on the left side if it's shorter than `length`. Padding\n\t     * characters are truncated if they exceed `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.padStart('abc', 6);\n\t     * // => '   abc'\n\t     *\n\t     * _.padStart('abc', 6, '_-');\n\t     * // => '_-_abc'\n\t     *\n\t     * _.padStart('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function padStart(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      return (length && strLength < length)\n\t        ? (createPadding(length - strLength, chars) + string)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to an integer of the specified radix. If `radix` is\n\t     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n\t     * hexadecimal, in which case a `radix` of `16` is used.\n\t     *\n\t     * **Note:** This method aligns with the\n\t     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category String\n\t     * @param {string} string The string to convert.\n\t     * @param {number} [radix=10] The radix to interpret `value` by.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.parseInt('08');\n\t     * // => 8\n\t     *\n\t     * _.map(['6', '08', '10'], _.parseInt);\n\t     * // => [6, 8, 10]\n\t     */\n\t    function parseInt(string, radix, guard) {\n\t      if (guard || radix == null) {\n\t        radix = 0;\n\t      } else if (radix) {\n\t        radix = +radix;\n\t      }\n\t      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n\t    }\n\t\n\t    /**\n\t     * Repeats the given string `n` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to repeat.\n\t     * @param {number} [n=1] The number of times to repeat the string.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the repeated string.\n\t     * @example\n\t     *\n\t     * _.repeat('*', 3);\n\t     * // => '***'\n\t     *\n\t     * _.repeat('abc', 2);\n\t     * // => 'abcabc'\n\t     *\n\t     * _.repeat('abc', 0);\n\t     * // => ''\n\t     */\n\t    function repeat(string, n, guard) {\n\t      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n\t        n = 1;\n\t      } else {\n\t        n = toInteger(n);\n\t      }\n\t      return baseRepeat(toString(string), n);\n\t    }\n\t\n\t    /**\n\t     * Replaces matches for `pattern` in `string` with `replacement`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`String#replace`](https://mdn.io/String/replace).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to modify.\n\t     * @param {RegExp|string} pattern The pattern to replace.\n\t     * @param {Function|string} replacement The match replacement.\n\t     * @returns {string} Returns the modified string.\n\t     * @example\n\t     *\n\t     * _.replace('Hi Fred', 'Fred', 'Barney');\n\t     * // => 'Hi Barney'\n\t     */\n\t    function replace() {\n\t      var args = arguments,\n\t          string = toString(args[0]);\n\t\n\t      return args.length < 3 ? string : string.replace(args[1], args[2]);\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the snake cased string.\n\t     * @example\n\t     *\n\t     * _.snakeCase('Foo Bar');\n\t     * // => 'foo_bar'\n\t     *\n\t     * _.snakeCase('fooBar');\n\t     * // => 'foo_bar'\n\t     *\n\t     * _.snakeCase('--FOO-BAR--');\n\t     * // => 'foo_bar'\n\t     */\n\t    var snakeCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? '_' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Splits `string` by `separator`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`String#split`](https://mdn.io/String/split).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to split.\n\t     * @param {RegExp|string} separator The separator pattern to split by.\n\t     * @param {number} [limit] The length to truncate results to.\n\t     * @returns {Array} Returns the string segments.\n\t     * @example\n\t     *\n\t     * _.split('a-b-c', '-', 2);\n\t     * // => ['a', 'b']\n\t     */\n\t    function split(string, separator, limit) {\n\t      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n\t        separator = limit = undefined;\n\t      }\n\t      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n\t      if (!limit) {\n\t        return [];\n\t      }\n\t      string = toString(string);\n\t      if (string && (\n\t            typeof separator == 'string' ||\n\t            (separator != null && !isRegExp(separator))\n\t          )) {\n\t        separator = baseToString(separator);\n\t        if (!separator && hasUnicode(string)) {\n\t          return castSlice(stringToArray(string), 0, limit);\n\t        }\n\t      }\n\t      return string.split(separator, limit);\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.1.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the start cased string.\n\t     * @example\n\t     *\n\t     * _.startCase('--foo-bar--');\n\t     * // => 'Foo Bar'\n\t     *\n\t     * _.startCase('fooBar');\n\t     * // => 'Foo Bar'\n\t     *\n\t     * _.startCase('__FOO_BAR__');\n\t     * // => 'FOO BAR'\n\t     */\n\t    var startCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + upperFirst(word);\n\t    });\n\t\n\t    /**\n\t     * Checks if `string` starts with the given target string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {string} [target] The string to search for.\n\t     * @param {number} [position=0] The position to search from.\n\t     * @returns {boolean} Returns `true` if `string` starts with `target`,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.startsWith('abc', 'a');\n\t     * // => true\n\t     *\n\t     * _.startsWith('abc', 'b');\n\t     * // => false\n\t     *\n\t     * _.startsWith('abc', 'b', 1);\n\t     * // => true\n\t     */\n\t    function startsWith(string, target, position) {\n\t      string = toString(string);\n\t      position = position == null\n\t        ? 0\n\t        : baseClamp(toInteger(position), 0, string.length);\n\t\n\t      target = baseToString(target);\n\t      return string.slice(position, position + target.length) == target;\n\t    }\n\t\n\t    /**\n\t     * Creates a compiled template function that can interpolate data properties\n\t     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n\t     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n\t     * properties may be accessed as free variables in the template. If a setting\n\t     * object is given, it takes precedence over `_.templateSettings` values.\n\t     *\n\t     * **Note:** In the development build `_.template` utilizes\n\t     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n\t     * for easier debugging.\n\t     *\n\t     * For more information on precompiling templates see\n\t     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n\t     *\n\t     * For more information on Chrome extension sandboxes see\n\t     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category String\n\t     * @param {string} [string=''] The template string.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {RegExp} [options.escape=_.templateSettings.escape]\n\t     *  The HTML \"escape\" delimiter.\n\t     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n\t     *  The \"evaluate\" delimiter.\n\t     * @param {Object} [options.imports=_.templateSettings.imports]\n\t     *  An object to import into the template as free variables.\n\t     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n\t     *  The \"interpolate\" delimiter.\n\t     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n\t     *  The sourceURL of the compiled template.\n\t     * @param {string} [options.variable='obj']\n\t     *  The data object variable name.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the compiled template function.\n\t     * @example\n\t     *\n\t     * // Use the \"interpolate\" delimiter to create a compiled template.\n\t     * var compiled = _.template('hello <%= user %>!');\n\t     * compiled({ 'user': 'fred' });\n\t     * // => 'hello fred!'\n\t     *\n\t     * // Use the HTML \"escape\" delimiter to escape data property values.\n\t     * var compiled = _.template('<b><%- value %></b>');\n\t     * compiled({ 'value': '<script>' });\n\t     * // => '<b>&lt;script&gt;</b>'\n\t     *\n\t     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n\t     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n\t     * compiled({ 'users': ['fred', 'barney'] });\n\t     * // => '<li>fred</li><li>barney</li>'\n\t     *\n\t     * // Use the internal `print` function in \"evaluate\" delimiters.\n\t     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n\t     * compiled({ 'user': 'barney' });\n\t     * // => 'hello barney!'\n\t     *\n\t     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n\t     * // Disable support by replacing the \"interpolate\" delimiter.\n\t     * var compiled = _.template('hello ${ user }!');\n\t     * compiled({ 'user': 'pebbles' });\n\t     * // => 'hello pebbles!'\n\t     *\n\t     * // Use backslashes to treat delimiters as plain text.\n\t     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n\t     * compiled({ 'value': 'ignored' });\n\t     * // => '<%- value %>'\n\t     *\n\t     * // Use the `imports` option to import `jQuery` as `jq`.\n\t     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n\t     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n\t     * compiled({ 'users': ['fred', 'barney'] });\n\t     * // => '<li>fred</li><li>barney</li>'\n\t     *\n\t     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n\t     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n\t     * compiled(data);\n\t     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n\t     *\n\t     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n\t     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n\t     * compiled.source;\n\t     * // => function(data) {\n\t     * //   var __t, __p = '';\n\t     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n\t     * //   return __p;\n\t     * // }\n\t     *\n\t     * // Use custom template delimiters.\n\t     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n\t     * var compiled = _.template('hello {{ user }}!');\n\t     * compiled({ 'user': 'mustache' });\n\t     * // => 'hello mustache!'\n\t     *\n\t     * // Use the `source` property to inline compiled templates for meaningful\n\t     * // line numbers in error messages and stack traces.\n\t     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n\t     *   var JST = {\\\n\t     *     \"main\": ' + _.template(mainText).source + '\\\n\t     *   };\\\n\t     * ');\n\t     */\n\t    function template(string, options, guard) {\n\t      // Based on John Resig's `tmpl` implementation\n\t      // (http://ejohn.org/blog/javascript-micro-templating/)\n\t      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n\t      var settings = lodash.templateSettings;\n\t\n\t      if (guard && isIterateeCall(string, options, guard)) {\n\t        options = undefined;\n\t      }\n\t      string = toString(string);\n\t      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\t\n\t      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n\t          importsKeys = keys(imports),\n\t          importsValues = baseValues(imports, importsKeys);\n\t\n\t      var isEscaping,\n\t          isEvaluating,\n\t          index = 0,\n\t          interpolate = options.interpolate || reNoMatch,\n\t          source = \"__p += '\";\n\t\n\t      // Compile the regexp to match each delimiter.\n\t      var reDelimiters = RegExp(\n\t        (options.escape || reNoMatch).source + '|' +\n\t        interpolate.source + '|' +\n\t        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n\t        (options.evaluate || reNoMatch).source + '|$'\n\t      , 'g');\n\t\n\t      // Use a sourceURL for easier debugging.\n\t      var sourceURL = '//# sourceURL=' +\n\t        ('sourceURL' in options\n\t          ? options.sourceURL\n\t          : ('lodash.templateSources[' + (++templateCounter) + ']')\n\t        ) + '\\n';\n\t\n\t      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n\t        interpolateValue || (interpolateValue = esTemplateValue);\n\t\n\t        // Escape characters that can't be included in string literals.\n\t        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\t\n\t        // Replace delimiters with snippets.\n\t        if (escapeValue) {\n\t          isEscaping = true;\n\t          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n\t        }\n\t        if (evaluateValue) {\n\t          isEvaluating = true;\n\t          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n\t        }\n\t        if (interpolateValue) {\n\t          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n\t        }\n\t        index = offset + match.length;\n\t\n\t        // The JS engine embedded in Adobe products needs `match` returned in\n\t        // order to produce the correct `offset` value.\n\t        return match;\n\t      });\n\t\n\t      source += \"';\\n\";\n\t\n\t      // If `variable` is not specified wrap a with-statement around the generated\n\t      // code to add the data object to the top of the scope chain.\n\t      var variable = options.variable;\n\t      if (!variable) {\n\t        source = 'with (obj) {\\n' + source + '\\n}\\n';\n\t      }\n\t      // Cleanup code by stripping empty strings.\n\t      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n\t        .replace(reEmptyStringMiddle, '$1')\n\t        .replace(reEmptyStringTrailing, '$1;');\n\t\n\t      // Frame code as the function body.\n\t      source = 'function(' + (variable || 'obj') + ') {\\n' +\n\t        (variable\n\t          ? ''\n\t          : 'obj || (obj = {});\\n'\n\t        ) +\n\t        \"var __t, __p = ''\" +\n\t        (isEscaping\n\t           ? ', __e = _.escape'\n\t           : ''\n\t        ) +\n\t        (isEvaluating\n\t          ? ', __j = Array.prototype.join;\\n' +\n\t            \"function print() { __p += __j.call(arguments, '') }\\n\"\n\t          : ';\\n'\n\t        ) +\n\t        source +\n\t        'return __p\\n}';\n\t\n\t      var result = attempt(function() {\n\t        return Function(importsKeys, sourceURL + 'return ' + source)\n\t          .apply(undefined, importsValues);\n\t      });\n\t\n\t      // Provide the compiled function's source by its `toString` method or\n\t      // the `source` property as a convenience for inlining compiled templates.\n\t      result.source = source;\n\t      if (isError(result)) {\n\t        throw result;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as a whole, to lower case just like\n\t     * [String#toLowerCase](https://mdn.io/toLowerCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the lower cased string.\n\t     * @example\n\t     *\n\t     * _.toLower('--Foo-Bar--');\n\t     * // => '--foo-bar--'\n\t     *\n\t     * _.toLower('fooBar');\n\t     * // => 'foobar'\n\t     *\n\t     * _.toLower('__FOO_BAR__');\n\t     * // => '__foo_bar__'\n\t     */\n\t    function toLower(value) {\n\t      return toString(value).toLowerCase();\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as a whole, to upper case just like\n\t     * [String#toUpperCase](https://mdn.io/toUpperCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the upper cased string.\n\t     * @example\n\t     *\n\t     * _.toUpper('--foo-bar--');\n\t     * // => '--FOO-BAR--'\n\t     *\n\t     * _.toUpper('fooBar');\n\t     * // => 'FOOBAR'\n\t     *\n\t     * _.toUpper('__foo_bar__');\n\t     * // => '__FOO_BAR__'\n\t     */\n\t    function toUpper(value) {\n\t      return toString(value).toUpperCase();\n\t    }\n\t\n\t    /**\n\t     * Removes leading and trailing whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trim('  abc  ');\n\t     * // => 'abc'\n\t     *\n\t     * _.trim('-_-abc-_-', '_-');\n\t     * // => 'abc'\n\t     *\n\t     * _.map(['  foo  ', '  bar  '], _.trim);\n\t     * // => ['foo', 'bar']\n\t     */\n\t    function trim(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrim, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          chrSymbols = stringToArray(chars),\n\t          start = charsStartIndex(strSymbols, chrSymbols),\n\t          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\t\n\t      return castSlice(strSymbols, start, end).join('');\n\t    }\n\t\n\t    /**\n\t     * Removes trailing whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trimEnd('  abc  ');\n\t     * // => '  abc'\n\t     *\n\t     * _.trimEnd('-_-abc-_-', '_-');\n\t     * // => '-_-abc'\n\t     */\n\t    function trimEnd(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrimEnd, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\t\n\t      return castSlice(strSymbols, 0, end).join('');\n\t    }\n\t\n\t    /**\n\t     * Removes leading whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trimStart('  abc  ');\n\t     * // => 'abc  '\n\t     *\n\t     * _.trimStart('-_-abc-_-', '_-');\n\t     * // => 'abc-_-'\n\t     */\n\t    function trimStart(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrimStart, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          start = charsStartIndex(strSymbols, stringToArray(chars));\n\t\n\t      return castSlice(strSymbols, start).join('');\n\t    }\n\t\n\t    /**\n\t     * Truncates `string` if it's longer than the given maximum string length.\n\t     * The last characters of the truncated string are replaced with the omission\n\t     * string which defaults to \"...\".\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to truncate.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {number} [options.length=30] The maximum string length.\n\t     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n\t     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n\t     * @returns {string} Returns the truncated string.\n\t     * @example\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino');\n\t     * // => 'hi-diddly-ho there, neighbo...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'length': 24,\n\t     *   'separator': ' '\n\t     * });\n\t     * // => 'hi-diddly-ho there,...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'length': 24,\n\t     *   'separator': /,? +/\n\t     * });\n\t     * // => 'hi-diddly-ho there...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'omission': ' [...]'\n\t     * });\n\t     * // => 'hi-diddly-ho there, neig [...]'\n\t     */\n\t    function truncate(string, options) {\n\t      var length = DEFAULT_TRUNC_LENGTH,\n\t          omission = DEFAULT_TRUNC_OMISSION;\n\t\n\t      if (isObject(options)) {\n\t        var separator = 'separator' in options ? options.separator : separator;\n\t        length = 'length' in options ? toInteger(options.length) : length;\n\t        omission = 'omission' in options ? baseToString(options.omission) : omission;\n\t      }\n\t      string = toString(string);\n\t\n\t      var strLength = string.length;\n\t      if (hasUnicode(string)) {\n\t        var strSymbols = stringToArray(string);\n\t        strLength = strSymbols.length;\n\t      }\n\t      if (length >= strLength) {\n\t        return string;\n\t      }\n\t      var end = length - stringSize(omission);\n\t      if (end < 1) {\n\t        return omission;\n\t      }\n\t      var result = strSymbols\n\t        ? castSlice(strSymbols, 0, end).join('')\n\t        : string.slice(0, end);\n\t\n\t      if (separator === undefined) {\n\t        return result + omission;\n\t      }\n\t      if (strSymbols) {\n\t        end += (result.length - end);\n\t      }\n\t      if (isRegExp(separator)) {\n\t        if (string.slice(end).search(separator)) {\n\t          var match,\n\t              substring = result;\n\t\n\t          if (!separator.global) {\n\t            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n\t          }\n\t          separator.lastIndex = 0;\n\t          while ((match = separator.exec(substring))) {\n\t            var newEnd = match.index;\n\t          }\n\t          result = result.slice(0, newEnd === undefined ? end : newEnd);\n\t        }\n\t      } else if (string.indexOf(baseToString(separator), end) != end) {\n\t        var index = result.lastIndexOf(separator);\n\t        if (index > -1) {\n\t          result = result.slice(0, index);\n\t        }\n\t      }\n\t      return result + omission;\n\t    }\n\t\n\t    /**\n\t     * The inverse of `_.escape`; this method converts the HTML entities\n\t     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n\t     * their corresponding characters.\n\t     *\n\t     * **Note:** No other HTML entities are unescaped. To unescape additional\n\t     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.6.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to unescape.\n\t     * @returns {string} Returns the unescaped string.\n\t     * @example\n\t     *\n\t     * _.unescape('fred, barney, &amp; pebbles');\n\t     * // => 'fred, barney, & pebbles'\n\t     */\n\t    function unescape(string) {\n\t      string = toString(string);\n\t      return (string && reHasEscapedHtml.test(string))\n\t        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as space separated words, to upper case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the upper cased string.\n\t     * @example\n\t     *\n\t     * _.upperCase('--foo-bar');\n\t     * // => 'FOO BAR'\n\t     *\n\t     * _.upperCase('fooBar');\n\t     * // => 'FOO BAR'\n\t     *\n\t     * _.upperCase('__foo_bar__');\n\t     * // => 'FOO BAR'\n\t     */\n\t    var upperCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + word.toUpperCase();\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to upper case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.upperFirst('fred');\n\t     * // => 'Fred'\n\t     *\n\t     * _.upperFirst('FRED');\n\t     * // => 'FRED'\n\t     */\n\t    var upperFirst = createCaseFirst('toUpperCase');\n\t\n\t    /**\n\t     * Splits `string` into an array of its words.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {RegExp|string} [pattern] The pattern to match words.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the words of `string`.\n\t     * @example\n\t     *\n\t     * _.words('fred, barney, & pebbles');\n\t     * // => ['fred', 'barney', 'pebbles']\n\t     *\n\t     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n\t     * // => ['fred', 'barney', '&', 'pebbles']\n\t     */\n\t    function words(string, pattern, guard) {\n\t      string = toString(string);\n\t      pattern = guard ? undefined : pattern;\n\t\n\t      if (pattern === undefined) {\n\t        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n\t      }\n\t      return string.match(pattern) || [];\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Attempts to invoke `func`, returning either the result or the caught error\n\t     * object. Any additional arguments are provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Function} func The function to attempt.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {*} Returns the `func` result or error object.\n\t     * @example\n\t     *\n\t     * // Avoid throwing errors for invalid selectors.\n\t     * var elements = _.attempt(function(selector) {\n\t     *   return document.querySelectorAll(selector);\n\t     * }, '>_>');\n\t     *\n\t     * if (_.isError(elements)) {\n\t     *   elements = [];\n\t     * }\n\t     */\n\t    var attempt = baseRest(function(func, args) {\n\t      try {\n\t        return apply(func, undefined, args);\n\t      } catch (e) {\n\t        return isError(e) ? e : new Error(e);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Binds methods of an object to the object itself, overwriting the existing\n\t     * method.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of bound functions.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {Object} object The object to bind and assign the bound methods to.\n\t     * @param {...(string|string[])} methodNames The object method names to bind.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var view = {\n\t     *   'label': 'docs',\n\t     *   'click': function() {\n\t     *     console.log('clicked ' + this.label);\n\t     *   }\n\t     * };\n\t     *\n\t     * _.bindAll(view, ['click']);\n\t     * jQuery(element).on('click', view.click);\n\t     * // => Logs 'clicked docs' when clicked.\n\t     */\n\t    var bindAll = flatRest(function(object, methodNames) {\n\t      arrayEach(methodNames, function(key) {\n\t        key = toKey(key);\n\t        baseAssignValue(object, key, bind(object[key], object));\n\t      });\n\t      return object;\n\t    });\n\t\n\t    /**\n\t     * Creates a function that iterates over `pairs` and invokes the corresponding\n\t     * function of the first predicate to return truthy. The predicate-function\n\t     * pairs are invoked with the `this` binding and arguments of the created\n\t     * function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {Array} pairs The predicate-function pairs.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @example\n\t     *\n\t     * var func = _.cond([\n\t     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n\t     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n\t     *   [_.stubTrue,                      _.constant('no match')]\n\t     * ]);\n\t     *\n\t     * func({ 'a': 1, 'b': 2 });\n\t     * // => 'matches A'\n\t     *\n\t     * func({ 'a': 0, 'b': 1 });\n\t     * // => 'matches B'\n\t     *\n\t     * func({ 'a': '1', 'b': '2' });\n\t     * // => 'no match'\n\t     */\n\t    function cond(pairs) {\n\t      var length = pairs == null ? 0 : pairs.length,\n\t          toIteratee = getIteratee();\n\t\n\t      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n\t        if (typeof pair[1] != 'function') {\n\t          throw new TypeError(FUNC_ERROR_TEXT);\n\t        }\n\t        return [toIteratee(pair[0]), pair[1]];\n\t      });\n\t\n\t      return baseRest(function(args) {\n\t        var index = -1;\n\t        while (++index < length) {\n\t          var pair = pairs[index];\n\t          if (apply(pair[0], this, args)) {\n\t            return apply(pair[1], this, args);\n\t          }\n\t        }\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes the predicate properties of `source` with\n\t     * the corresponding property values of a given object, returning `true` if\n\t     * all predicates return truthy, else `false`.\n\t     *\n\t     * **Note:** The created function is equivalent to `_.conformsTo` with\n\t     * `source` partially applied.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 2, 'b': 1 },\n\t     *   { 'a': 1, 'b': 2 }\n\t     * ];\n\t     *\n\t     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n\t     * // => [{ 'a': 1, 'b': 2 }]\n\t     */\n\t    function conforms(source) {\n\t      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that returns `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Util\n\t     * @param {*} value The value to return from the new function.\n\t     * @returns {Function} Returns the new constant function.\n\t     * @example\n\t     *\n\t     * var objects = _.times(2, _.constant({ 'a': 1 }));\n\t     *\n\t     * console.log(objects);\n\t     * // => [{ 'a': 1 }, { 'a': 1 }]\n\t     *\n\t     * console.log(objects[0] === objects[1]);\n\t     * // => true\n\t     */\n\t    function constant(value) {\n\t      return function() {\n\t        return value;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Checks `value` to determine whether a default value should be returned in\n\t     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n\t     * or `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.14.0\n\t     * @category Util\n\t     * @param {*} value The value to check.\n\t     * @param {*} defaultValue The default value.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * _.defaultTo(1, 10);\n\t     * // => 1\n\t     *\n\t     * _.defaultTo(undefined, 10);\n\t     * // => 10\n\t     */\n\t    function defaultTo(value, defaultValue) {\n\t      return (value == null || value !== value) ? defaultValue : value;\n\t    }\n\t\n\t    /**\n\t     * Creates a function that returns the result of invoking the given functions\n\t     * with the `this` binding of the created function, where each successive\n\t     * invocation is supplied the return value of the previous.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @see _.flowRight\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var addSquare = _.flow([_.add, square]);\n\t     * addSquare(1, 2);\n\t     * // => 9\n\t     */\n\t    var flow = createFlow();\n\t\n\t    /**\n\t     * This method is like `_.flow` except that it creates a function that\n\t     * invokes the given functions from right to left.\n\t     *\n\t     * @static\n\t     * @since 3.0.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @see _.flow\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var addSquare = _.flowRight([square, _.add]);\n\t     * addSquare(1, 2);\n\t     * // => 9\n\t     */\n\t    var flowRight = createFlow(true);\n\t\n\t    /**\n\t     * This method returns the first argument it receives.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {*} value Any value.\n\t     * @returns {*} Returns `value`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     *\n\t     * console.log(_.identity(object) === object);\n\t     * // => true\n\t     */\n\t    function identity(value) {\n\t      return value;\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the arguments of the created\n\t     * function. If `func` is a property name, the created function returns the\n\t     * property value for a given element. If `func` is an array or object, the\n\t     * created function returns `true` for elements that contain the equivalent\n\t     * source properties, otherwise it returns `false`.\n\t     *\n\t     * @static\n\t     * @since 4.0.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {*} [func=_.identity] The value to convert to a callback.\n\t     * @returns {Function} Returns the callback.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': true },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n\t     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.filter(users, _.iteratee(['user', 'fred']));\n\t     * // => [{ 'user': 'fred', 'age': 40 }]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.map(users, _.iteratee('user'));\n\t     * // => ['barney', 'fred']\n\t     *\n\t     * // Create custom iteratee shorthands.\n\t     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n\t     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n\t     *     return func.test(string);\n\t     *   };\n\t     * });\n\t     *\n\t     * _.filter(['abc', 'def'], /ef/);\n\t     * // => ['def']\n\t     */\n\t    function iteratee(func) {\n\t      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a partial deep comparison between a given\n\t     * object and `source`, returning `true` if the given object has equivalent\n\t     * property values, else `false`.\n\t     *\n\t     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n\t     * partially applied.\n\t     *\n\t     * Partial comparisons will match empty array and empty object `source`\n\t     * values against any array or object value, respectively. See `_.isEqual`\n\t     * for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 1, 'b': 2, 'c': 3 },\n\t     *   { 'a': 4, 'b': 5, 'c': 6 }\n\t     * ];\n\t     *\n\t     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n\t     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n\t     */\n\t    function matches(source) {\n\t      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a partial deep comparison between the\n\t     * value at `path` of a given object to `srcValue`, returning `true` if the\n\t     * object value is equivalent, else `false`.\n\t     *\n\t     * **Note:** Partial comparisons will match empty array and empty object\n\t     * `srcValue` values against any array or object value, respectively. See\n\t     * `_.isEqual` for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 1, 'b': 2, 'c': 3 },\n\t     *   { 'a': 4, 'b': 5, 'c': 6 }\n\t     * ];\n\t     *\n\t     * _.find(objects, _.matchesProperty('a', 4));\n\t     * // => { 'a': 4, 'b': 5, 'c': 6 }\n\t     */\n\t    function matchesProperty(path, srcValue) {\n\t      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes the method at `path` of a given object.\n\t     * Any additional arguments are provided to the invoked method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {Function} Returns the new invoker function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': { 'b': _.constant(2) } },\n\t     *   { 'a': { 'b': _.constant(1) } }\n\t     * ];\n\t     *\n\t     * _.map(objects, _.method('a.b'));\n\t     * // => [2, 1]\n\t     *\n\t     * _.map(objects, _.method(['a', 'b']));\n\t     * // => [2, 1]\n\t     */\n\t    var method = baseRest(function(path, args) {\n\t      return function(object) {\n\t        return baseInvoke(object, path, args);\n\t      };\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.method`; this method creates a function that invokes\n\t     * the method at a given path of `object`. Any additional arguments are\n\t     * provided to the invoked method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Util\n\t     * @param {Object} object The object to query.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {Function} Returns the new invoker function.\n\t     * @example\n\t     *\n\t     * var array = _.times(3, _.constant),\n\t     *     object = { 'a': array, 'b': array, 'c': array };\n\t     *\n\t     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n\t     * // => [2, 0]\n\t     *\n\t     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n\t     * // => [2, 0]\n\t     */\n\t    var methodOf = baseRest(function(object, args) {\n\t      return function(path) {\n\t        return baseInvoke(object, path, args);\n\t      };\n\t    });\n\t\n\t    /**\n\t     * Adds all own enumerable string keyed function properties of a source\n\t     * object to the destination object. If `object` is a function, then methods\n\t     * are added to its prototype as well.\n\t     *\n\t     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n\t     * avoid conflicts caused by modifying the original.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {Function|Object} [object=lodash] The destination object.\n\t     * @param {Object} source The object of functions to add.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n\t     * @returns {Function|Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * function vowels(string) {\n\t     *   return _.filter(string, function(v) {\n\t     *     return /[aeiou]/i.test(v);\n\t     *   });\n\t     * }\n\t     *\n\t     * _.mixin({ 'vowels': vowels });\n\t     * _.vowels('fred');\n\t     * // => ['e']\n\t     *\n\t     * _('fred').vowels().value();\n\t     * // => ['e']\n\t     *\n\t     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n\t     * _('fred').vowels();\n\t     * // => ['e']\n\t     */\n\t    function mixin(object, source, options) {\n\t      var props = keys(source),\n\t          methodNames = baseFunctions(source, props);\n\t\n\t      if (options == null &&\n\t          !(isObject(source) && (methodNames.length || !props.length))) {\n\t        options = source;\n\t        source = object;\n\t        object = this;\n\t        methodNames = baseFunctions(source, keys(source));\n\t      }\n\t      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n\t          isFunc = isFunction(object);\n\t\n\t      arrayEach(methodNames, function(methodName) {\n\t        var func = source[methodName];\n\t        object[methodName] = func;\n\t        if (isFunc) {\n\t          object.prototype[methodName] = function() {\n\t            var chainAll = this.__chain__;\n\t            if (chain || chainAll) {\n\t              var result = object(this.__wrapped__),\n\t                  actions = result.__actions__ = copyArray(this.__actions__);\n\t\n\t              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n\t              result.__chain__ = chainAll;\n\t              return result;\n\t            }\n\t            return func.apply(object, arrayPush([this.value()], arguments));\n\t          };\n\t        }\n\t      });\n\t\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Reverts the `_` variable to its previous value and returns a reference to\n\t     * the `lodash` function.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @returns {Function} Returns the `lodash` function.\n\t     * @example\n\t     *\n\t     * var lodash = _.noConflict();\n\t     */\n\t    function noConflict() {\n\t      if (root._ === this) {\n\t        root._ = oldDash;\n\t      }\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * This method returns `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.3.0\n\t     * @category Util\n\t     * @example\n\t     *\n\t     * _.times(2, _.noop);\n\t     * // => [undefined, undefined]\n\t     */\n\t    function noop() {\n\t      // No operation performed.\n\t    }\n\t\n\t    /**\n\t     * Creates a function that gets the argument at index `n`. If `n` is negative,\n\t     * the nth argument from the end is returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {number} [n=0] The index of the argument to return.\n\t     * @returns {Function} Returns the new pass-thru function.\n\t     * @example\n\t     *\n\t     * var func = _.nthArg(1);\n\t     * func('a', 'b', 'c', 'd');\n\t     * // => 'b'\n\t     *\n\t     * var func = _.nthArg(-2);\n\t     * func('a', 'b', 'c', 'd');\n\t     * // => 'c'\n\t     */\n\t    function nthArg(n) {\n\t      n = toInteger(n);\n\t      return baseRest(function(args) {\n\t        return baseNth(args, n);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `iteratees` with the arguments it receives\n\t     * and returns their results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n\t     *  The iteratees to invoke.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.over([Math.max, Math.min]);\n\t     *\n\t     * func(1, 2, 3, 4);\n\t     * // => [4, 1]\n\t     */\n\t    var over = createOver(arrayMap);\n\t\n\t    /**\n\t     * Creates a function that checks if **all** of the `predicates` return\n\t     * truthy when invoked with the arguments it receives.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [predicates=[_.identity]]\n\t     *  The predicates to check.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.overEvery([Boolean, isFinite]);\n\t     *\n\t     * func('1');\n\t     * // => true\n\t     *\n\t     * func(null);\n\t     * // => false\n\t     *\n\t     * func(NaN);\n\t     * // => false\n\t     */\n\t    var overEvery = createOver(arrayEvery);\n\t\n\t    /**\n\t     * Creates a function that checks if **any** of the `predicates` return\n\t     * truthy when invoked with the arguments it receives.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [predicates=[_.identity]]\n\t     *  The predicates to check.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.overSome([Boolean, isFinite]);\n\t     *\n\t     * func('1');\n\t     * // => true\n\t     *\n\t     * func(null);\n\t     * // => true\n\t     *\n\t     * func(NaN);\n\t     * // => false\n\t     */\n\t    var overSome = createOver(arraySome);\n\t\n\t    /**\n\t     * Creates a function that returns the value at `path` of a given object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {Function} Returns the new accessor function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': { 'b': 2 } },\n\t     *   { 'a': { 'b': 1 } }\n\t     * ];\n\t     *\n\t     * _.map(objects, _.property('a.b'));\n\t     * // => [2, 1]\n\t     *\n\t     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n\t     * // => [1, 2]\n\t     */\n\t    function property(path) {\n\t      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.property`; this method creates a function that returns\n\t     * the value at a given path of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Object} object The object to query.\n\t     * @returns {Function} Returns the new accessor function.\n\t     * @example\n\t     *\n\t     * var array = [0, 1, 2],\n\t     *     object = { 'a': array, 'b': array, 'c': array };\n\t     *\n\t     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n\t     * // => [2, 0]\n\t     *\n\t     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n\t     * // => [2, 0]\n\t     */\n\t    function propertyOf(object) {\n\t      return function(path) {\n\t        return object == null ? undefined : baseGet(object, path);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates an array of numbers (positive and/or negative) progressing from\n\t     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n\t     * `start` is specified without an `end` or `step`. If `end` is not specified,\n\t     * it's set to `start` with `start` then set to `0`.\n\t     *\n\t     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t     * floating-point values which can produce unexpected results.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} [step=1] The value to increment or decrement by.\n\t     * @returns {Array} Returns the range of numbers.\n\t     * @see _.inRange, _.rangeRight\n\t     * @example\n\t     *\n\t     * _.range(4);\n\t     * // => [0, 1, 2, 3]\n\t     *\n\t     * _.range(-4);\n\t     * // => [0, -1, -2, -3]\n\t     *\n\t     * _.range(1, 5);\n\t     * // => [1, 2, 3, 4]\n\t     *\n\t     * _.range(0, 20, 5);\n\t     * // => [0, 5, 10, 15]\n\t     *\n\t     * _.range(0, -4, -1);\n\t     * // => [0, -1, -2, -3]\n\t     *\n\t     * _.range(1, 4, 0);\n\t     * // => [1, 1, 1]\n\t     *\n\t     * _.range(0);\n\t     * // => []\n\t     */\n\t    var range = createRange();\n\t\n\t    /**\n\t     * This method is like `_.range` except that it populates values in\n\t     * descending order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} [step=1] The value to increment or decrement by.\n\t     * @returns {Array} Returns the range of numbers.\n\t     * @see _.inRange, _.range\n\t     * @example\n\t     *\n\t     * _.rangeRight(4);\n\t     * // => [3, 2, 1, 0]\n\t     *\n\t     * _.rangeRight(-4);\n\t     * // => [-3, -2, -1, 0]\n\t     *\n\t     * _.rangeRight(1, 5);\n\t     * // => [4, 3, 2, 1]\n\t     *\n\t     * _.rangeRight(0, 20, 5);\n\t     * // => [15, 10, 5, 0]\n\t     *\n\t     * _.rangeRight(0, -4, -1);\n\t     * // => [-3, -2, -1, 0]\n\t     *\n\t     * _.rangeRight(1, 4, 0);\n\t     * // => [1, 1, 1]\n\t     *\n\t     * _.rangeRight(0);\n\t     * // => []\n\t     */\n\t    var rangeRight = createRange(true);\n\t\n\t    /**\n\t     * This method returns a new empty array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {Array} Returns the new empty array.\n\t     * @example\n\t     *\n\t     * var arrays = _.times(2, _.stubArray);\n\t     *\n\t     * console.log(arrays);\n\t     * // => [[], []]\n\t     *\n\t     * console.log(arrays[0] === arrays[1]);\n\t     * // => false\n\t     */\n\t    function stubArray() {\n\t      return [];\n\t    }\n\t\n\t    /**\n\t     * This method returns `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {boolean} Returns `false`.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubFalse);\n\t     * // => [false, false]\n\t     */\n\t    function stubFalse() {\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * This method returns a new empty object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {Object} Returns the new empty object.\n\t     * @example\n\t     *\n\t     * var objects = _.times(2, _.stubObject);\n\t     *\n\t     * console.log(objects);\n\t     * // => [{}, {}]\n\t     *\n\t     * console.log(objects[0] === objects[1]);\n\t     * // => false\n\t     */\n\t    function stubObject() {\n\t      return {};\n\t    }\n\t\n\t    /**\n\t     * This method returns an empty string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {string} Returns the empty string.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubString);\n\t     * // => ['', '']\n\t     */\n\t    function stubString() {\n\t      return '';\n\t    }\n\t\n\t    /**\n\t     * This method returns `true`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {boolean} Returns `true`.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubTrue);\n\t     * // => [true, true]\n\t     */\n\t    function stubTrue() {\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Invokes the iteratee `n` times, returning an array of the results of\n\t     * each invocation. The iteratee is invoked with one argument; (index).\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {number} n The number of times to invoke `iteratee`.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the array of results.\n\t     * @example\n\t     *\n\t     * _.times(3, String);\n\t     * // => ['0', '1', '2']\n\t     *\n\t     *  _.times(4, _.constant(0));\n\t     * // => [0, 0, 0, 0]\n\t     */\n\t    function times(n, iteratee) {\n\t      n = toInteger(n);\n\t      if (n < 1 || n > MAX_SAFE_INTEGER) {\n\t        return [];\n\t      }\n\t      var index = MAX_ARRAY_LENGTH,\n\t          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\t\n\t      iteratee = getIteratee(iteratee);\n\t      n -= MAX_ARRAY_LENGTH;\n\t\n\t      var result = baseTimes(length, iteratee);\n\t      while (++index < n) {\n\t        iteratee(index);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a property path array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {*} value The value to convert.\n\t     * @returns {Array} Returns the new property path array.\n\t     * @example\n\t     *\n\t     * _.toPath('a.b.c');\n\t     * // => ['a', 'b', 'c']\n\t     *\n\t     * _.toPath('a[0].b.c');\n\t     * // => ['a', '0', 'b', 'c']\n\t     */\n\t    function toPath(value) {\n\t      if (isArray(value)) {\n\t        return arrayMap(value, toKey);\n\t      }\n\t      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n\t    }\n\t\n\t    /**\n\t     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {string} [prefix=''] The value to prefix the ID with.\n\t     * @returns {string} Returns the unique ID.\n\t     * @example\n\t     *\n\t     * _.uniqueId('contact_');\n\t     * // => 'contact_104'\n\t     *\n\t     * _.uniqueId();\n\t     * // => '105'\n\t     */\n\t    function uniqueId(prefix) {\n\t      var id = ++idCounter;\n\t      return toString(prefix) + id;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Adds two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.4.0\n\t     * @category Math\n\t     * @param {number} augend The first number in an addition.\n\t     * @param {number} addend The second number in an addition.\n\t     * @returns {number} Returns the total.\n\t     * @example\n\t     *\n\t     * _.add(6, 4);\n\t     * // => 10\n\t     */\n\t    var add = createMathOperation(function(augend, addend) {\n\t      return augend + addend;\n\t    }, 0);\n\t\n\t    /**\n\t     * Computes `number` rounded up to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round up.\n\t     * @param {number} [precision=0] The precision to round up to.\n\t     * @returns {number} Returns the rounded up number.\n\t     * @example\n\t     *\n\t     * _.ceil(4.006);\n\t     * // => 5\n\t     *\n\t     * _.ceil(6.004, 2);\n\t     * // => 6.01\n\t     *\n\t     * _.ceil(6040, -2);\n\t     * // => 6100\n\t     */\n\t    var ceil = createRound('ceil');\n\t\n\t    /**\n\t     * Divide two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {number} dividend The first number in a division.\n\t     * @param {number} divisor The second number in a division.\n\t     * @returns {number} Returns the quotient.\n\t     * @example\n\t     *\n\t     * _.divide(6, 4);\n\t     * // => 1.5\n\t     */\n\t    var divide = createMathOperation(function(dividend, divisor) {\n\t      return dividend / divisor;\n\t    }, 1);\n\t\n\t    /**\n\t     * Computes `number` rounded down to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round down.\n\t     * @param {number} [precision=0] The precision to round down to.\n\t     * @returns {number} Returns the rounded down number.\n\t     * @example\n\t     *\n\t     * _.floor(4.006);\n\t     * // => 4\n\t     *\n\t     * _.floor(0.046, 2);\n\t     * // => 0.04\n\t     *\n\t     * _.floor(4060, -2);\n\t     * // => 4000\n\t     */\n\t    var floor = createRound('floor');\n\t\n\t    /**\n\t     * Computes the maximum value of `array`. If `array` is empty or falsey,\n\t     * `undefined` is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {*} Returns the maximum value.\n\t     * @example\n\t     *\n\t     * _.max([4, 2, 8, 6]);\n\t     * // => 8\n\t     *\n\t     * _.max([]);\n\t     * // => undefined\n\t     */\n\t    function max(array) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, identity, baseGt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.max` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * the value is ranked. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {*} Returns the maximum value.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n\t     *\n\t     * _.maxBy(objects, function(o) { return o.n; });\n\t     * // => { 'n': 2 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.maxBy(objects, 'n');\n\t     * // => { 'n': 2 }\n\t     */\n\t    function maxBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * Computes the mean of the values in `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {number} Returns the mean.\n\t     * @example\n\t     *\n\t     * _.mean([4, 2, 8, 6]);\n\t     * // => 5\n\t     */\n\t    function mean(array) {\n\t      return baseMean(array, identity);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.mean` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the value to be averaged.\n\t     * The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the mean.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n\t     *\n\t     * _.meanBy(objects, function(o) { return o.n; });\n\t     * // => 5\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.meanBy(objects, 'n');\n\t     * // => 5\n\t     */\n\t    function meanBy(array, iteratee) {\n\t      return baseMean(array, getIteratee(iteratee, 2));\n\t    }\n\t\n\t    /**\n\t     * Computes the minimum value of `array`. If `array` is empty or falsey,\n\t     * `undefined` is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {*} Returns the minimum value.\n\t     * @example\n\t     *\n\t     * _.min([4, 2, 8, 6]);\n\t     * // => 2\n\t     *\n\t     * _.min([]);\n\t     * // => undefined\n\t     */\n\t    function min(array) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, identity, baseLt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.min` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * the value is ranked. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {*} Returns the minimum value.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n\t     *\n\t     * _.minBy(objects, function(o) { return o.n; });\n\t     * // => { 'n': 1 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.minBy(objects, 'n');\n\t     * // => { 'n': 1 }\n\t     */\n\t    function minBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * Multiply two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {number} multiplier The first number in a multiplication.\n\t     * @param {number} multiplicand The second number in a multiplication.\n\t     * @returns {number} Returns the product.\n\t     * @example\n\t     *\n\t     * _.multiply(6, 4);\n\t     * // => 24\n\t     */\n\t    var multiply = createMathOperation(function(multiplier, multiplicand) {\n\t      return multiplier * multiplicand;\n\t    }, 1);\n\t\n\t    /**\n\t     * Computes `number` rounded to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round.\n\t     * @param {number} [precision=0] The precision to round to.\n\t     * @returns {number} Returns the rounded number.\n\t     * @example\n\t     *\n\t     * _.round(4.006);\n\t     * // => 4\n\t     *\n\t     * _.round(4.006, 2);\n\t     * // => 4.01\n\t     *\n\t     * _.round(4060, -2);\n\t     * // => 4100\n\t     */\n\t    var round = createRound('round');\n\t\n\t    /**\n\t     * Subtract two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {number} minuend The first number in a subtraction.\n\t     * @param {number} subtrahend The second number in a subtraction.\n\t     * @returns {number} Returns the difference.\n\t     * @example\n\t     *\n\t     * _.subtract(6, 4);\n\t     * // => 2\n\t     */\n\t    var subtract = createMathOperation(function(minuend, subtrahend) {\n\t      return minuend - subtrahend;\n\t    }, 0);\n\t\n\t    /**\n\t     * Computes the sum of the values in `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.4.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {number} Returns the sum.\n\t     * @example\n\t     *\n\t     * _.sum([4, 2, 8, 6]);\n\t     * // => 20\n\t     */\n\t    function sum(array) {\n\t      return (array && array.length)\n\t        ? baseSum(array, identity)\n\t        : 0;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sum` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the value to be summed.\n\t     * The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the sum.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n\t     *\n\t     * _.sumBy(objects, function(o) { return o.n; });\n\t     * // => 20\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sumBy(objects, 'n');\n\t     * // => 20\n\t     */\n\t    function sumBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseSum(array, getIteratee(iteratee, 2))\n\t        : 0;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    // Add methods that return wrapped values in chain sequences.\n\t    lodash.after = after;\n\t    lodash.ary = ary;\n\t    lodash.assign = assign;\n\t    lodash.assignIn = assignIn;\n\t    lodash.assignInWith = assignInWith;\n\t    lodash.assignWith = assignWith;\n\t    lodash.at = at;\n\t    lodash.before = before;\n\t    lodash.bind = bind;\n\t    lodash.bindAll = bindAll;\n\t    lodash.bindKey = bindKey;\n\t    lodash.castArray = castArray;\n\t    lodash.chain = chain;\n\t    lodash.chunk = chunk;\n\t    lodash.compact = compact;\n\t    lodash.concat = concat;\n\t    lodash.cond = cond;\n\t    lodash.conforms = conforms;\n\t    lodash.constant = constant;\n\t    lodash.countBy = countBy;\n\t    lodash.create = create;\n\t    lodash.curry = curry;\n\t    lodash.curryRight = curryRight;\n\t    lodash.debounce = debounce;\n\t    lodash.defaults = defaults;\n\t    lodash.defaultsDeep = defaultsDeep;\n\t    lodash.defer = defer;\n\t    lodash.delay = delay;\n\t    lodash.difference = difference;\n\t    lodash.differenceBy = differenceBy;\n\t    lodash.differenceWith = differenceWith;\n\t    lodash.drop = drop;\n\t    lodash.dropRight = dropRight;\n\t    lodash.dropRightWhile = dropRightWhile;\n\t    lodash.dropWhile = dropWhile;\n\t    lodash.fill = fill;\n\t    lodash.filter = filter;\n\t    lodash.flatMap = flatMap;\n\t    lodash.flatMapDeep = flatMapDeep;\n\t    lodash.flatMapDepth = flatMapDepth;\n\t    lodash.flatten = flatten;\n\t    lodash.flattenDeep = flattenDeep;\n\t    lodash.flattenDepth = flattenDepth;\n\t    lodash.flip = flip;\n\t    lodash.flow = flow;\n\t    lodash.flowRight = flowRight;\n\t    lodash.fromPairs = fromPairs;\n\t    lodash.functions = functions;\n\t    lodash.functionsIn = functionsIn;\n\t    lodash.groupBy = groupBy;\n\t    lodash.initial = initial;\n\t    lodash.intersection = intersection;\n\t    lodash.intersectionBy = intersectionBy;\n\t    lodash.intersectionWith = intersectionWith;\n\t    lodash.invert = invert;\n\t    lodash.invertBy = invertBy;\n\t    lodash.invokeMap = invokeMap;\n\t    lodash.iteratee = iteratee;\n\t    lodash.keyBy = keyBy;\n\t    lodash.keys = keys;\n\t    lodash.keysIn = keysIn;\n\t    lodash.map = map;\n\t    lodash.mapKeys = mapKeys;\n\t    lodash.mapValues = mapValues;\n\t    lodash.matches = matches;\n\t    lodash.matchesProperty = matchesProperty;\n\t    lodash.memoize = memoize;\n\t    lodash.merge = merge;\n\t    lodash.mergeWith = mergeWith;\n\t    lodash.method = method;\n\t    lodash.methodOf = methodOf;\n\t    lodash.mixin = mixin;\n\t    lodash.negate = negate;\n\t    lodash.nthArg = nthArg;\n\t    lodash.omit = omit;\n\t    lodash.omitBy = omitBy;\n\t    lodash.once = once;\n\t    lodash.orderBy = orderBy;\n\t    lodash.over = over;\n\t    lodash.overArgs = overArgs;\n\t    lodash.overEvery = overEvery;\n\t    lodash.overSome = overSome;\n\t    lodash.partial = partial;\n\t    lodash.partialRight = partialRight;\n\t    lodash.partition = partition;\n\t    lodash.pick = pick;\n\t    lodash.pickBy = pickBy;\n\t    lodash.property = property;\n\t    lodash.propertyOf = propertyOf;\n\t    lodash.pull = pull;\n\t    lodash.pullAll = pullAll;\n\t    lodash.pullAllBy = pullAllBy;\n\t    lodash.pullAllWith = pullAllWith;\n\t    lodash.pullAt = pullAt;\n\t    lodash.range = range;\n\t    lodash.rangeRight = rangeRight;\n\t    lodash.rearg = rearg;\n\t    lodash.reject = reject;\n\t    lodash.remove = remove;\n\t    lodash.rest = rest;\n\t    lodash.reverse = reverse;\n\t    lodash.sampleSize = sampleSize;\n\t    lodash.set = set;\n\t    lodash.setWith = setWith;\n\t    lodash.shuffle = shuffle;\n\t    lodash.slice = slice;\n\t    lodash.sortBy = sortBy;\n\t    lodash.sortedUniq = sortedUniq;\n\t    lodash.sortedUniqBy = sortedUniqBy;\n\t    lodash.split = split;\n\t    lodash.spread = spread;\n\t    lodash.tail = tail;\n\t    lodash.take = take;\n\t    lodash.takeRight = takeRight;\n\t    lodash.takeRightWhile = takeRightWhile;\n\t    lodash.takeWhile = takeWhile;\n\t    lodash.tap = tap;\n\t    lodash.throttle = throttle;\n\t    lodash.thru = thru;\n\t    lodash.toArray = toArray;\n\t    lodash.toPairs = toPairs;\n\t    lodash.toPairsIn = toPairsIn;\n\t    lodash.toPath = toPath;\n\t    lodash.toPlainObject = toPlainObject;\n\t    lodash.transform = transform;\n\t    lodash.unary = unary;\n\t    lodash.union = union;\n\t    lodash.unionBy = unionBy;\n\t    lodash.unionWith = unionWith;\n\t    lodash.uniq = uniq;\n\t    lodash.uniqBy = uniqBy;\n\t    lodash.uniqWith = uniqWith;\n\t    lodash.unset = unset;\n\t    lodash.unzip = unzip;\n\t    lodash.unzipWith = unzipWith;\n\t    lodash.update = update;\n\t    lodash.updateWith = updateWith;\n\t    lodash.values = values;\n\t    lodash.valuesIn = valuesIn;\n\t    lodash.without = without;\n\t    lodash.words = words;\n\t    lodash.wrap = wrap;\n\t    lodash.xor = xor;\n\t    lodash.xorBy = xorBy;\n\t    lodash.xorWith = xorWith;\n\t    lodash.zip = zip;\n\t    lodash.zipObject = zipObject;\n\t    lodash.zipObjectDeep = zipObjectDeep;\n\t    lodash.zipWith = zipWith;\n\t\n\t    // Add aliases.\n\t    lodash.entries = toPairs;\n\t    lodash.entriesIn = toPairsIn;\n\t    lodash.extend = assignIn;\n\t    lodash.extendWith = assignInWith;\n\t\n\t    // Add methods to `lodash.prototype`.\n\t    mixin(lodash, lodash);\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    // Add methods that return unwrapped values in chain sequences.\n\t    lodash.add = add;\n\t    lodash.attempt = attempt;\n\t    lodash.camelCase = camelCase;\n\t    lodash.capitalize = capitalize;\n\t    lodash.ceil = ceil;\n\t    lodash.clamp = clamp;\n\t    lodash.clone = clone;\n\t    lodash.cloneDeep = cloneDeep;\n\t    lodash.cloneDeepWith = cloneDeepWith;\n\t    lodash.cloneWith = cloneWith;\n\t    lodash.conformsTo = conformsTo;\n\t    lodash.deburr = deburr;\n\t    lodash.defaultTo = defaultTo;\n\t    lodash.divide = divide;\n\t    lodash.endsWith = endsWith;\n\t    lodash.eq = eq;\n\t    lodash.escape = escape;\n\t    lodash.escapeRegExp = escapeRegExp;\n\t    lodash.every = every;\n\t    lodash.find = find;\n\t    lodash.findIndex = findIndex;\n\t    lodash.findKey = findKey;\n\t    lodash.findLast = findLast;\n\t    lodash.findLastIndex = findLastIndex;\n\t    lodash.findLastKey = findLastKey;\n\t    lodash.floor = floor;\n\t    lodash.forEach = forEach;\n\t    lodash.forEachRight = forEachRight;\n\t    lodash.forIn = forIn;\n\t    lodash.forInRight = forInRight;\n\t    lodash.forOwn = forOwn;\n\t    lodash.forOwnRight = forOwnRight;\n\t    lodash.get = get;\n\t    lodash.gt = gt;\n\t    lodash.gte = gte;\n\t    lodash.has = has;\n\t    lodash.hasIn = hasIn;\n\t    lodash.head = head;\n\t    lodash.identity = identity;\n\t    lodash.includes = includes;\n\t    lodash.indexOf = indexOf;\n\t    lodash.inRange = inRange;\n\t    lodash.invoke = invoke;\n\t    lodash.isArguments = isArguments;\n\t    lodash.isArray = isArray;\n\t    lodash.isArrayBuffer = isArrayBuffer;\n\t    lodash.isArrayLike = isArrayLike;\n\t    lodash.isArrayLikeObject = isArrayLikeObject;\n\t    lodash.isBoolean = isBoolean;\n\t    lodash.isBuffer = isBuffer;\n\t    lodash.isDate = isDate;\n\t    lodash.isElement = isElement;\n\t    lodash.isEmpty = isEmpty;\n\t    lodash.isEqual = isEqual;\n\t    lodash.isEqualWith = isEqualWith;\n\t    lodash.isError = isError;\n\t    lodash.isFinite = isFinite;\n\t    lodash.isFunction = isFunction;\n\t    lodash.isInteger = isInteger;\n\t    lodash.isLength = isLength;\n\t    lodash.isMap = isMap;\n\t    lodash.isMatch = isMatch;\n\t    lodash.isMatchWith = isMatchWith;\n\t    lodash.isNaN = isNaN;\n\t    lodash.isNative = isNative;\n\t    lodash.isNil = isNil;\n\t    lodash.isNull = isNull;\n\t    lodash.isNumber = isNumber;\n\t    lodash.isObject = isObject;\n\t    lodash.isObjectLike = isObjectLike;\n\t    lodash.isPlainObject = isPlainObject;\n\t    lodash.isRegExp = isRegExp;\n\t    lodash.isSafeInteger = isSafeInteger;\n\t    lodash.isSet = isSet;\n\t    lodash.isString = isString;\n\t    lodash.isSymbol = isSymbol;\n\t    lodash.isTypedArray = isTypedArray;\n\t    lodash.isUndefined = isUndefined;\n\t    lodash.isWeakMap = isWeakMap;\n\t    lodash.isWeakSet = isWeakSet;\n\t    lodash.join = join;\n\t    lodash.kebabCase = kebabCase;\n\t    lodash.last = last;\n\t    lodash.lastIndexOf = lastIndexOf;\n\t    lodash.lowerCase = lowerCase;\n\t    lodash.lowerFirst = lowerFirst;\n\t    lodash.lt = lt;\n\t    lodash.lte = lte;\n\t    lodash.max = max;\n\t    lodash.maxBy = maxBy;\n\t    lodash.mean = mean;\n\t    lodash.meanBy = meanBy;\n\t    lodash.min = min;\n\t    lodash.minBy = minBy;\n\t    lodash.stubArray = stubArray;\n\t    lodash.stubFalse = stubFalse;\n\t    lodash.stubObject = stubObject;\n\t    lodash.stubString = stubString;\n\t    lodash.stubTrue = stubTrue;\n\t    lodash.multiply = multiply;\n\t    lodash.nth = nth;\n\t    lodash.noConflict = noConflict;\n\t    lodash.noop = noop;\n\t    lodash.now = now;\n\t    lodash.pad = pad;\n\t    lodash.padEnd = padEnd;\n\t    lodash.padStart = padStart;\n\t    lodash.parseInt = parseInt;\n\t    lodash.random = random;\n\t    lodash.reduce = reduce;\n\t    lodash.reduceRight = reduceRight;\n\t    lodash.repeat = repeat;\n\t    lodash.replace = replace;\n\t    lodash.result = result;\n\t    lodash.round = round;\n\t    lodash.runInContext = runInContext;\n\t    lodash.sample = sample;\n\t    lodash.size = size;\n\t    lodash.snakeCase = snakeCase;\n\t    lodash.some = some;\n\t    lodash.sortedIndex = sortedIndex;\n\t    lodash.sortedIndexBy = sortedIndexBy;\n\t    lodash.sortedIndexOf = sortedIndexOf;\n\t    lodash.sortedLastIndex = sortedLastIndex;\n\t    lodash.sortedLastIndexBy = sortedLastIndexBy;\n\t    lodash.sortedLastIndexOf = sortedLastIndexOf;\n\t    lodash.startCase = startCase;\n\t    lodash.startsWith = startsWith;\n\t    lodash.subtract = subtract;\n\t    lodash.sum = sum;\n\t    lodash.sumBy = sumBy;\n\t    lodash.template = template;\n\t    lodash.times = times;\n\t    lodash.toFinite = toFinite;\n\t    lodash.toInteger = toInteger;\n\t    lodash.toLength = toLength;\n\t    lodash.toLower = toLower;\n\t    lodash.toNumber = toNumber;\n\t    lodash.toSafeInteger = toSafeInteger;\n\t    lodash.toString = toString;\n\t    lodash.toUpper = toUpper;\n\t    lodash.trim = trim;\n\t    lodash.trimEnd = trimEnd;\n\t    lodash.trimStart = trimStart;\n\t    lodash.truncate = truncate;\n\t    lodash.unescape = unescape;\n\t    lodash.uniqueId = uniqueId;\n\t    lodash.upperCase = upperCase;\n\t    lodash.upperFirst = upperFirst;\n\t\n\t    // Add aliases.\n\t    lodash.each = forEach;\n\t    lodash.eachRight = forEachRight;\n\t    lodash.first = head;\n\t\n\t    mixin(lodash, (function() {\n\t      var source = {};\n\t      baseForOwn(lodash, function(func, methodName) {\n\t        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n\t          source[methodName] = func;\n\t        }\n\t      });\n\t      return source;\n\t    }()), { 'chain': false });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * The semantic version number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @type {string}\n\t     */\n\t    lodash.VERSION = VERSION;\n\t\n\t    // Assign default placeholders.\n\t    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n\t      lodash[methodName].placeholder = lodash;\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n\t    arrayEach(['drop', 'take'], function(methodName, index) {\n\t      LazyWrapper.prototype[methodName] = function(n) {\n\t        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\t\n\t        var result = (this.__filtered__ && !index)\n\t          ? new LazyWrapper(this)\n\t          : this.clone();\n\t\n\t        if (result.__filtered__) {\n\t          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n\t        } else {\n\t          result.__views__.push({\n\t            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n\t            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n\t          });\n\t        }\n\t        return result;\n\t      };\n\t\n\t      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n\t        return this.reverse()[methodName](n).reverse();\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods that accept an `iteratee` value.\n\t    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n\t      var type = index + 1,\n\t          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\t\n\t      LazyWrapper.prototype[methodName] = function(iteratee) {\n\t        var result = this.clone();\n\t        result.__iteratees__.push({\n\t          'iteratee': getIteratee(iteratee, 3),\n\t          'type': type\n\t        });\n\t        result.__filtered__ = result.__filtered__ || isFilter;\n\t        return result;\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n\t    arrayEach(['head', 'last'], function(methodName, index) {\n\t      var takeName = 'take' + (index ? 'Right' : '');\n\t\n\t      LazyWrapper.prototype[methodName] = function() {\n\t        return this[takeName](1).value()[0];\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n\t    arrayEach(['initial', 'tail'], function(methodName, index) {\n\t      var dropName = 'drop' + (index ? '' : 'Right');\n\t\n\t      LazyWrapper.prototype[methodName] = function() {\n\t        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n\t      };\n\t    });\n\t\n\t    LazyWrapper.prototype.compact = function() {\n\t      return this.filter(identity);\n\t    };\n\t\n\t    LazyWrapper.prototype.find = function(predicate) {\n\t      return this.filter(predicate).head();\n\t    };\n\t\n\t    LazyWrapper.prototype.findLast = function(predicate) {\n\t      return this.reverse().find(predicate);\n\t    };\n\t\n\t    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n\t      if (typeof path == 'function') {\n\t        return new LazyWrapper(this);\n\t      }\n\t      return this.map(function(value) {\n\t        return baseInvoke(value, path, args);\n\t      });\n\t    });\n\t\n\t    LazyWrapper.prototype.reject = function(predicate) {\n\t      return this.filter(negate(getIteratee(predicate)));\n\t    };\n\t\n\t    LazyWrapper.prototype.slice = function(start, end) {\n\t      start = toInteger(start);\n\t\n\t      var result = this;\n\t      if (result.__filtered__ && (start > 0 || end < 0)) {\n\t        return new LazyWrapper(result);\n\t      }\n\t      if (start < 0) {\n\t        result = result.takeRight(-start);\n\t      } else if (start) {\n\t        result = result.drop(start);\n\t      }\n\t      if (end !== undefined) {\n\t        end = toInteger(end);\n\t        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n\t      }\n\t      return result;\n\t    };\n\t\n\t    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n\t      return this.reverse().takeWhile(predicate).reverse();\n\t    };\n\t\n\t    LazyWrapper.prototype.toArray = function() {\n\t      return this.take(MAX_ARRAY_LENGTH);\n\t    };\n\t\n\t    // Add `LazyWrapper` methods to `lodash.prototype`.\n\t    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n\t      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n\t          isTaker = /^(?:head|last)$/.test(methodName),\n\t          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n\t          retUnwrapped = isTaker || /^find/.test(methodName);\n\t\n\t      if (!lodashFunc) {\n\t        return;\n\t      }\n\t      lodash.prototype[methodName] = function() {\n\t        var value = this.__wrapped__,\n\t            args = isTaker ? [1] : arguments,\n\t            isLazy = value instanceof LazyWrapper,\n\t            iteratee = args[0],\n\t            useLazy = isLazy || isArray(value);\n\t\n\t        var interceptor = function(value) {\n\t          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n\t          return (isTaker && chainAll) ? result[0] : result;\n\t        };\n\t\n\t        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n\t          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n\t          isLazy = useLazy = false;\n\t        }\n\t        var chainAll = this.__chain__,\n\t            isHybrid = !!this.__actions__.length,\n\t            isUnwrapped = retUnwrapped && !chainAll,\n\t            onlyLazy = isLazy && !isHybrid;\n\t\n\t        if (!retUnwrapped && useLazy) {\n\t          value = onlyLazy ? value : new LazyWrapper(this);\n\t          var result = func.apply(value, args);\n\t          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n\t          return new LodashWrapper(result, chainAll);\n\t        }\n\t        if (isUnwrapped && onlyLazy) {\n\t          return func.apply(this, args);\n\t        }\n\t        result = this.thru(interceptor);\n\t        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n\t      };\n\t    });\n\t\n\t    // Add `Array` methods to `lodash.prototype`.\n\t    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n\t      var func = arrayProto[methodName],\n\t          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n\t          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\t\n\t      lodash.prototype[methodName] = function() {\n\t        var args = arguments;\n\t        if (retUnwrapped && !this.__chain__) {\n\t          var value = this.value();\n\t          return func.apply(isArray(value) ? value : [], args);\n\t        }\n\t        return this[chainName](function(value) {\n\t          return func.apply(isArray(value) ? value : [], args);\n\t        });\n\t      };\n\t    });\n\t\n\t    // Map minified method names to their real names.\n\t    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n\t      var lodashFunc = lodash[methodName];\n\t      if (lodashFunc) {\n\t        var key = (lodashFunc.name + ''),\n\t            names = realNames[key] || (realNames[key] = []);\n\t\n\t        names.push({ 'name': methodName, 'func': lodashFunc });\n\t      }\n\t    });\n\t\n\t    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n\t      'name': 'wrapper',\n\t      'func': undefined\n\t    }];\n\t\n\t    // Add methods to `LazyWrapper`.\n\t    LazyWrapper.prototype.clone = lazyClone;\n\t    LazyWrapper.prototype.reverse = lazyReverse;\n\t    LazyWrapper.prototype.value = lazyValue;\n\t\n\t    // Add chain sequence methods to the `lodash` wrapper.\n\t    lodash.prototype.at = wrapperAt;\n\t    lodash.prototype.chain = wrapperChain;\n\t    lodash.prototype.commit = wrapperCommit;\n\t    lodash.prototype.next = wrapperNext;\n\t    lodash.prototype.plant = wrapperPlant;\n\t    lodash.prototype.reverse = wrapperReverse;\n\t    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\t\n\t    // Add lazy aliases.\n\t    lodash.prototype.first = lodash.prototype.head;\n\t\n\t    if (symIterator) {\n\t      lodash.prototype[symIterator] = wrapperToIterator;\n\t    }\n\t    return lodash;\n\t  });\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  // Export lodash.\n\t  var _ = runInContext();\n\t\n\t  // Some AMD build optimizers, like r.js, check for condition patterns like:\n\t  if (true) {\n\t    // Expose Lodash on the global object to prevent errors when Lodash is\n\t    // loaded by a script tag in the presence of an AMD loader.\n\t    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n\t    // Use `_.noConflict` to remove Lodash from the global object.\n\t    root._ = _;\n\t\n\t    // Define as an anonymous module so, through path mapping, it can be\n\t    // referenced as the \"underscore\" module.\n\t    !(__WEBPACK_AMD_DEFINE_RESULT__ = function() {\n\t      return _;\n\t    }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n\t  }\n\t  // Check for `exports` after `define` in case a build optimizer adds it.\n\t  else if (freeModule) {\n\t    // Export for Node.js.\n\t    (freeModule.exports = _)._ = _;\n\t    // Export for CommonJS support.\n\t    freeExports._ = _;\n\t  }\n\t  else {\n\t    // Export to the global object.\n\t    root._ = _;\n\t  }\n\t}.call(this));\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()), __webpack_require__(10)(module)))\n\n/***/ }),\n/* 179 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = { \"default\": __webpack_require__(182), __esModule: true };\n\n/***/ }),\n/* 180 */\n/***/ (function(module, exports) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\texports.default = function (instance, Constructor) {\n\t  if (!(instance instanceof Constructor)) {\n\t    throw new TypeError(\"Cannot call a class as a function\");\n\t  }\n\t};\n\n/***/ }),\n/* 181 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t\"use strict\";\n\t\n\texports.__esModule = true;\n\t\n\tvar _defineProperty = __webpack_require__(179);\n\t\n\tvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\t\n\tfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\t\n\texports.default = function () {\n\t  function defineProperties(target, props) {\n\t    for (var i = 0; i < props.length; i++) {\n\t      var descriptor = props[i];\n\t      descriptor.enumerable = descriptor.enumerable || false;\n\t      descriptor.configurable = true;\n\t      if (\"value\" in descriptor) descriptor.writable = true;\n\t      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n\t    }\n\t  }\n\t\n\t  return function (Constructor, protoProps, staticProps) {\n\t    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n\t    if (staticProps) defineProperties(Constructor, staticProps);\n\t    return Constructor;\n\t  };\n\t}();\n\n/***/ }),\n/* 182 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t__webpack_require__(192);\n\tvar $Object = __webpack_require__(67).Object;\n\tmodule.exports = function defineProperty(it, key, desc) {\n\t  return $Object.defineProperty(it, key, desc);\n\t};\n\n\n/***/ }),\n/* 183 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (it) {\n\t  if (typeof it != 'function') throw TypeError(it + ' is not a function!');\n\t  return it;\n\t};\n\n\n/***/ }),\n/* 184 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar isObject = __webpack_require__(39);\n\tmodule.exports = function (it) {\n\t  if (!isObject(it)) throw TypeError(it + ' is not an object!');\n\t  return it;\n\t};\n\n\n/***/ }),\n/* 185 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// optional / simple context binding\n\tvar aFunction = __webpack_require__(183);\n\tmodule.exports = function (fn, that, length) {\n\t  aFunction(fn);\n\t  if (that === undefined) return fn;\n\t  switch (length) {\n\t    case 1: return function (a) {\n\t      return fn.call(that, a);\n\t    };\n\t    case 2: return function (a, b) {\n\t      return fn.call(that, a, b);\n\t    };\n\t    case 3: return function (a, b, c) {\n\t      return fn.call(that, a, b, c);\n\t    };\n\t  }\n\t  return function (/* ...args */) {\n\t    return fn.apply(that, arguments);\n\t  };\n\t};\n\n\n/***/ }),\n/* 186 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar isObject = __webpack_require__(39);\n\tvar document = __webpack_require__(69).document;\n\t// typeof document.createElement is 'object' in old IE\n\tvar is = isObject(document) && isObject(document.createElement);\n\tmodule.exports = function (it) {\n\t  return is ? document.createElement(it) : {};\n\t};\n\n\n/***/ }),\n/* 187 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar global = __webpack_require__(69);\n\tvar core = __webpack_require__(67);\n\tvar ctx = __webpack_require__(185);\n\tvar hide = __webpack_require__(188);\n\tvar PROTOTYPE = 'prototype';\n\t\n\tvar $export = function (type, name, source) {\n\t  var IS_FORCED = type & $export.F;\n\t  var IS_GLOBAL = type & $export.G;\n\t  var IS_STATIC = type & $export.S;\n\t  var IS_PROTO = type & $export.P;\n\t  var IS_BIND = type & $export.B;\n\t  var IS_WRAP = type & $export.W;\n\t  var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});\n\t  var expProto = exports[PROTOTYPE];\n\t  var target = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE];\n\t  var key, own, out;\n\t  if (IS_GLOBAL) source = name;\n\t  for (key in source) {\n\t    // contains in native\n\t    own = !IS_FORCED && target && target[key] !== undefined;\n\t    if (own && key in exports) continue;\n\t    // export native or passed\n\t    out = own ? target[key] : source[key];\n\t    // prevent global pollution for namespaces\n\t    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n\t    // bind timers to global for call from export context\n\t    : IS_BIND && own ? ctx(out, global)\n\t    // wrap global constructors for prevent change them in library\n\t    : IS_WRAP && target[key] == out ? (function (C) {\n\t      var F = function (a, b, c) {\n\t        if (this instanceof C) {\n\t          switch (arguments.length) {\n\t            case 0: return new C();\n\t            case 1: return new C(a);\n\t            case 2: return new C(a, b);\n\t          } return new C(a, b, c);\n\t        } return C.apply(this, arguments);\n\t      };\n\t      F[PROTOTYPE] = C[PROTOTYPE];\n\t      return F;\n\t    // make static versions for prototype methods\n\t    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n\t    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n\t    if (IS_PROTO) {\n\t      (exports.virtual || (exports.virtual = {}))[key] = out;\n\t      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n\t      if (type & $export.R && expProto && !expProto[key]) hide(expProto, key, out);\n\t    }\n\t  }\n\t};\n\t// type bitmap\n\t$export.F = 1;   // forced\n\t$export.G = 2;   // global\n\t$export.S = 4;   // static\n\t$export.P = 8;   // proto\n\t$export.B = 16;  // bind\n\t$export.W = 32;  // wrap\n\t$export.U = 64;  // safe\n\t$export.R = 128; // real proto method for `library`\n\tmodule.exports = $export;\n\n\n/***/ }),\n/* 188 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar dP = __webpack_require__(70);\n\tvar createDesc = __webpack_require__(190);\n\tmodule.exports = __webpack_require__(19) ? function (object, key, value) {\n\t  return dP.f(object, key, createDesc(1, value));\n\t} : function (object, key, value) {\n\t  object[key] = value;\n\t  return object;\n\t};\n\n\n/***/ }),\n/* 189 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tmodule.exports = !__webpack_require__(19) && !__webpack_require__(68)(function () {\n\t  return Object.defineProperty(__webpack_require__(186)('div'), 'a', { get: function () { return 7; } }).a != 7;\n\t});\n\n\n/***/ }),\n/* 190 */\n/***/ (function(module, exports) {\n\n\tmodule.exports = function (bitmap, value) {\n\t  return {\n\t    enumerable: !(bitmap & 1),\n\t    configurable: !(bitmap & 2),\n\t    writable: !(bitmap & 4),\n\t    value: value\n\t  };\n\t};\n\n\n/***/ }),\n/* 191 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\t// 7.1.1 ToPrimitive(input [, PreferredType])\n\tvar isObject = __webpack_require__(39);\n\t// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n\t// and the second argument - flag - preferred type is a string\n\tmodule.exports = function (it, S) {\n\t  if (!isObject(it)) return it;\n\t  var fn, val;\n\t  if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n\t  if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;\n\t  if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n\t  throw TypeError(\"Can't convert object to primitive value\");\n\t};\n\n\n/***/ }),\n/* 192 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar $export = __webpack_require__(187);\n\t// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n\t$export($export.S + $export.F * !__webpack_require__(19), 'Object', { defineProperty: __webpack_require__(70).f });\n\n\n/***/ }),\n/* 193 */\n/***/ (function(module, exports, __webpack_require__) {\n\n\tvar __WEBPACK_AMD_DEFINE_RESULT__;/* WEBPACK VAR INJECTION */(function(global, module) {/**\n\t * @license\n\t * Lodash <https://lodash.com/>\n\t * Copyright JS Foundation and other contributors <https://js.foundation/>\n\t * Released under MIT license <https://lodash.com/license>\n\t * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n\t * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n\t */\n\t;(function() {\n\t\n\t  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n\t  var undefined;\n\t\n\t  /** Used as the semantic version number. */\n\t  var VERSION = '4.17.4';\n\t\n\t  /** Used as the size to enable large array optimizations. */\n\t  var LARGE_ARRAY_SIZE = 200;\n\t\n\t  /** Error message constants. */\n\t  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n\t      FUNC_ERROR_TEXT = 'Expected a function';\n\t\n\t  /** Used to stand-in for `undefined` hash values. */\n\t  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\t\n\t  /** Used as the maximum memoize cache size. */\n\t  var MAX_MEMOIZE_SIZE = 500;\n\t\n\t  /** Used as the internal argument placeholder. */\n\t  var PLACEHOLDER = '__lodash_placeholder__';\n\t\n\t  /** Used to compose bitmasks for cloning. */\n\t  var CLONE_DEEP_FLAG = 1,\n\t      CLONE_FLAT_FLAG = 2,\n\t      CLONE_SYMBOLS_FLAG = 4;\n\t\n\t  /** Used to compose bitmasks for value comparisons. */\n\t  var COMPARE_PARTIAL_FLAG = 1,\n\t      COMPARE_UNORDERED_FLAG = 2;\n\t\n\t  /** Used to compose bitmasks for function metadata. */\n\t  var WRAP_BIND_FLAG = 1,\n\t      WRAP_BIND_KEY_FLAG = 2,\n\t      WRAP_CURRY_BOUND_FLAG = 4,\n\t      WRAP_CURRY_FLAG = 8,\n\t      WRAP_CURRY_RIGHT_FLAG = 16,\n\t      WRAP_PARTIAL_FLAG = 32,\n\t      WRAP_PARTIAL_RIGHT_FLAG = 64,\n\t      WRAP_ARY_FLAG = 128,\n\t      WRAP_REARG_FLAG = 256,\n\t      WRAP_FLIP_FLAG = 512;\n\t\n\t  /** Used as default options for `_.truncate`. */\n\t  var DEFAULT_TRUNC_LENGTH = 30,\n\t      DEFAULT_TRUNC_OMISSION = '...';\n\t\n\t  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n\t  var HOT_COUNT = 800,\n\t      HOT_SPAN = 16;\n\t\n\t  /** Used to indicate the type of lazy iteratees. */\n\t  var LAZY_FILTER_FLAG = 1,\n\t      LAZY_MAP_FLAG = 2,\n\t      LAZY_WHILE_FLAG = 3;\n\t\n\t  /** Used as references for various `Number` constants. */\n\t  var INFINITY = 1 / 0,\n\t      MAX_SAFE_INTEGER = 9007199254740991,\n\t      MAX_INTEGER = 1.7976931348623157e+308,\n\t      NAN = 0 / 0;\n\t\n\t  /** Used as references for the maximum length and index of an array. */\n\t  var MAX_ARRAY_LENGTH = 4294967295,\n\t      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n\t      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\t\n\t  /** Used to associate wrap methods with their bit flags. */\n\t  var wrapFlags = [\n\t    ['ary', WRAP_ARY_FLAG],\n\t    ['bind', WRAP_BIND_FLAG],\n\t    ['bindKey', WRAP_BIND_KEY_FLAG],\n\t    ['curry', WRAP_CURRY_FLAG],\n\t    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n\t    ['flip', WRAP_FLIP_FLAG],\n\t    ['partial', WRAP_PARTIAL_FLAG],\n\t    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n\t    ['rearg', WRAP_REARG_FLAG]\n\t  ];\n\t\n\t  /** `Object#toString` result references. */\n\t  var argsTag = '[object Arguments]',\n\t      arrayTag = '[object Array]',\n\t      asyncTag = '[object AsyncFunction]',\n\t      boolTag = '[object Boolean]',\n\t      dateTag = '[object Date]',\n\t      domExcTag = '[object DOMException]',\n\t      errorTag = '[object Error]',\n\t      funcTag = '[object Function]',\n\t      genTag = '[object GeneratorFunction]',\n\t      mapTag = '[object Map]',\n\t      numberTag = '[object Number]',\n\t      nullTag = '[object Null]',\n\t      objectTag = '[object Object]',\n\t      promiseTag = '[object Promise]',\n\t      proxyTag = '[object Proxy]',\n\t      regexpTag = '[object RegExp]',\n\t      setTag = '[object Set]',\n\t      stringTag = '[object String]',\n\t      symbolTag = '[object Symbol]',\n\t      undefinedTag = '[object Undefined]',\n\t      weakMapTag = '[object WeakMap]',\n\t      weakSetTag = '[object WeakSet]';\n\t\n\t  var arrayBufferTag = '[object ArrayBuffer]',\n\t      dataViewTag = '[object DataView]',\n\t      float32Tag = '[object Float32Array]',\n\t      float64Tag = '[object Float64Array]',\n\t      int8Tag = '[object Int8Array]',\n\t      int16Tag = '[object Int16Array]',\n\t      int32Tag = '[object Int32Array]',\n\t      uint8Tag = '[object Uint8Array]',\n\t      uint8ClampedTag = '[object Uint8ClampedArray]',\n\t      uint16Tag = '[object Uint16Array]',\n\t      uint32Tag = '[object Uint32Array]';\n\t\n\t  /** Used to match empty string literals in compiled template source. */\n\t  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n\t      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n\t      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\t\n\t  /** Used to match HTML entities and HTML characters. */\n\t  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n\t      reUnescapedHtml = /[&<>\"']/g,\n\t      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n\t      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\t\n\t  /** Used to match template delimiters. */\n\t  var reEscape = /<%-([\\s\\S]+?)%>/g,\n\t      reEvaluate = /<%([\\s\\S]+?)%>/g,\n\t      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\t\n\t  /** Used to match property names within property paths. */\n\t  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n\t      reIsPlainProp = /^\\w*$/,\n\t      reLeadingDot = /^\\./,\n\t      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\t\n\t  /**\n\t   * Used to match `RegExp`\n\t   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n\t   */\n\t  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n\t      reHasRegExpChar = RegExp(reRegExpChar.source);\n\t\n\t  /** Used to match leading and trailing whitespace. */\n\t  var reTrim = /^\\s+|\\s+$/g,\n\t      reTrimStart = /^\\s+/,\n\t      reTrimEnd = /\\s+$/;\n\t\n\t  /** Used to match wrap detail comments. */\n\t  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n\t      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n\t      reSplitDetails = /,? & /;\n\t\n\t  /** Used to match words composed of alphanumeric characters. */\n\t  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\t\n\t  /** Used to match backslashes in property paths. */\n\t  var reEscapeChar = /\\\\(\\\\)?/g;\n\t\n\t  /**\n\t   * Used to match\n\t   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n\t   */\n\t  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\t\n\t  /** Used to match `RegExp` flags from their coerced string values. */\n\t  var reFlags = /\\w*$/;\n\t\n\t  /** Used to detect bad signed hexadecimal string values. */\n\t  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\t\n\t  /** Used to detect binary string values. */\n\t  var reIsBinary = /^0b[01]+$/i;\n\t\n\t  /** Used to detect host constructors (Safari). */\n\t  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\t\n\t  /** Used to detect octal string values. */\n\t  var reIsOctal = /^0o[0-7]+$/i;\n\t\n\t  /** Used to detect unsigned integer values. */\n\t  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\t\n\t  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n\t  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\t\n\t  /** Used to ensure capturing order of template delimiters. */\n\t  var reNoMatch = /($^)/;\n\t\n\t  /** Used to match unescaped characters in compiled string literals. */\n\t  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\t\n\t  /** Used to compose unicode character classes. */\n\t  var rsAstralRange = '\\\\ud800-\\\\udfff',\n\t      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n\t      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n\t      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n\t      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n\t      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n\t      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n\t      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n\t      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n\t      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n\t      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n\t      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n\t      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n\t      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\t\n\t  /** Used to compose unicode capture groups. */\n\t  var rsApos = \"['\\u2019]\",\n\t      rsAstral = '[' + rsAstralRange + ']',\n\t      rsBreak = '[' + rsBreakRange + ']',\n\t      rsCombo = '[' + rsComboRange + ']',\n\t      rsDigits = '\\\\d+',\n\t      rsDingbat = '[' + rsDingbatRange + ']',\n\t      rsLower = '[' + rsLowerRange + ']',\n\t      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n\t      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n\t      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n\t      rsNonAstral = '[^' + rsAstralRange + ']',\n\t      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n\t      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n\t      rsUpper = '[' + rsUpperRange + ']',\n\t      rsZWJ = '\\\\u200d';\n\t\n\t  /** Used to compose unicode regexes. */\n\t  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n\t      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n\t      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n\t      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n\t      reOptMod = rsModifier + '?',\n\t      rsOptVar = '[' + rsVarRange + ']?',\n\t      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n\t      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n\t      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n\t      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n\t      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n\t      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\t\n\t  /** Used to match apostrophes. */\n\t  var reApos = RegExp(rsApos, 'g');\n\t\n\t  /**\n\t   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n\t   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n\t   */\n\t  var reComboMark = RegExp(rsCombo, 'g');\n\t\n\t  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n\t  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\t\n\t  /** Used to match complex or compound words. */\n\t  var reUnicodeWord = RegExp([\n\t    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n\t    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n\t    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n\t    rsUpper + '+' + rsOptContrUpper,\n\t    rsOrdUpper,\n\t    rsOrdLower,\n\t    rsDigits,\n\t    rsEmoji\n\t  ].join('|'), 'g');\n\t\n\t  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n\t  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\t\n\t  /** Used to detect strings that need a more robust regexp to match words. */\n\t  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\t\n\t  /** Used to assign default `context` object properties. */\n\t  var contextProps = [\n\t    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n\t    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n\t    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n\t    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n\t    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n\t  ];\n\t\n\t  /** Used to make template sourceURLs easier to identify. */\n\t  var templateCounter = -1;\n\t\n\t  /** Used to identify `toStringTag` values of typed arrays. */\n\t  var typedArrayTags = {};\n\t  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n\t  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n\t  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n\t  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n\t  typedArrayTags[uint32Tag] = true;\n\t  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n\t  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n\t  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n\t  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n\t  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n\t  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n\t  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n\t  typedArrayTags[weakMapTag] = false;\n\t\n\t  /** Used to identify `toStringTag` values supported by `_.clone`. */\n\t  var cloneableTags = {};\n\t  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n\t  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n\t  cloneableTags[boolTag] = cloneableTags[dateTag] =\n\t  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n\t  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n\t  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n\t  cloneableTags[numberTag] = cloneableTags[objectTag] =\n\t  cloneableTags[regexpTag] = cloneableTags[setTag] =\n\t  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n\t  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n\t  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n\t  cloneableTags[errorTag] = cloneableTags[funcTag] =\n\t  cloneableTags[weakMapTag] = false;\n\t\n\t  /** Used to map Latin Unicode letters to basic Latin letters. */\n\t  var deburredLetters = {\n\t    // Latin-1 Supplement block.\n\t    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n\t    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n\t    '\\xc7': 'C',  '\\xe7': 'c',\n\t    '\\xd0': 'D',  '\\xf0': 'd',\n\t    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n\t    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n\t    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n\t    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n\t    '\\xd1': 'N',  '\\xf1': 'n',\n\t    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n\t    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n\t    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n\t    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n\t    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n\t    '\\xc6': 'Ae', '\\xe6': 'ae',\n\t    '\\xde': 'Th', '\\xfe': 'th',\n\t    '\\xdf': 'ss',\n\t    // Latin Extended-A block.\n\t    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n\t    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n\t    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n\t    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n\t    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n\t    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n\t    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n\t    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n\t    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n\t    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n\t    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n\t    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n\t    '\\u0134': 'J',  '\\u0135': 'j',\n\t    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n\t    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n\t    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n\t    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n\t    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n\t    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n\t    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n\t    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n\t    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n\t    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n\t    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n\t    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n\t    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n\t    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n\t    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n\t    '\\u0174': 'W',  '\\u0175': 'w',\n\t    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n\t    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n\t    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n\t    '\\u0132': 'IJ', '\\u0133': 'ij',\n\t    '\\u0152': 'Oe', '\\u0153': 'oe',\n\t    '\\u0149': \"'n\", '\\u017f': 's'\n\t  };\n\t\n\t  /** Used to map characters to HTML entities. */\n\t  var htmlEscapes = {\n\t    '&': '&amp;',\n\t    '<': '&lt;',\n\t    '>': '&gt;',\n\t    '\"': '&quot;',\n\t    \"'\": '&#39;'\n\t  };\n\t\n\t  /** Used to map HTML entities to characters. */\n\t  var htmlUnescapes = {\n\t    '&amp;': '&',\n\t    '&lt;': '<',\n\t    '&gt;': '>',\n\t    '&quot;': '\"',\n\t    '&#39;': \"'\"\n\t  };\n\t\n\t  /** Used to escape characters for inclusion in compiled string literals. */\n\t  var stringEscapes = {\n\t    '\\\\': '\\\\',\n\t    \"'\": \"'\",\n\t    '\\n': 'n',\n\t    '\\r': 'r',\n\t    '\\u2028': 'u2028',\n\t    '\\u2029': 'u2029'\n\t  };\n\t\n\t  /** Built-in method references without a dependency on `root`. */\n\t  var freeParseFloat = parseFloat,\n\t      freeParseInt = parseInt;\n\t\n\t  /** Detect free variable `global` from Node.js. */\n\t  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\t\n\t  /** Detect free variable `self`. */\n\t  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\t\n\t  /** Used as a reference to the global object. */\n\t  var root = freeGlobal || freeSelf || Function('return this')();\n\t\n\t  /** Detect free variable `exports`. */\n\t  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\t\n\t  /** Detect free variable `module`. */\n\t  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\t\n\t  /** Detect the popular CommonJS extension `module.exports`. */\n\t  var moduleExports = freeModule && freeModule.exports === freeExports;\n\t\n\t  /** Detect free variable `process` from Node.js. */\n\t  var freeProcess = moduleExports && freeGlobal.process;\n\t\n\t  /** Used to access faster Node.js helpers. */\n\t  var nodeUtil = (function() {\n\t    try {\n\t      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n\t    } catch (e) {}\n\t  }());\n\t\n\t  /* Node.js helper references. */\n\t  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n\t      nodeIsDate = nodeUtil && nodeUtil.isDate,\n\t      nodeIsMap = nodeUtil && nodeUtil.isMap,\n\t      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n\t      nodeIsSet = nodeUtil && nodeUtil.isSet,\n\t      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  /**\n\t   * Adds the key-value `pair` to `map`.\n\t   *\n\t   * @private\n\t   * @param {Object} map The map to modify.\n\t   * @param {Array} pair The key-value pair to add.\n\t   * @returns {Object} Returns `map`.\n\t   */\n\t  function addMapEntry(map, pair) {\n\t    // Don't return `map.set` because it's not chainable in IE 11.\n\t    map.set(pair[0], pair[1]);\n\t    return map;\n\t  }\n\t\n\t  /**\n\t   * Adds `value` to `set`.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to modify.\n\t   * @param {*} value The value to add.\n\t   * @returns {Object} Returns `set`.\n\t   */\n\t  function addSetEntry(set, value) {\n\t    // Don't return `set.add` because it's not chainable in IE 11.\n\t    set.add(value);\n\t    return set;\n\t  }\n\t\n\t  /**\n\t   * A faster alternative to `Function#apply`, this function invokes `func`\n\t   * with the `this` binding of `thisArg` and the arguments of `args`.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to invoke.\n\t   * @param {*} thisArg The `this` binding of `func`.\n\t   * @param {Array} args The arguments to invoke `func` with.\n\t   * @returns {*} Returns the result of `func`.\n\t   */\n\t  function apply(func, thisArg, args) {\n\t    switch (args.length) {\n\t      case 0: return func.call(thisArg);\n\t      case 1: return func.call(thisArg, args[0]);\n\t      case 2: return func.call(thisArg, args[0], args[1]);\n\t      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n\t    }\n\t    return func.apply(thisArg, args);\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `baseAggregator` for arrays.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} setter The function to set `accumulator` values.\n\t   * @param {Function} iteratee The iteratee to transform keys.\n\t   * @param {Object} accumulator The initial aggregated object.\n\t   * @returns {Function} Returns `accumulator`.\n\t   */\n\t  function arrayAggregator(array, setter, iteratee, accumulator) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      setter(accumulator, value, iteratee(value), array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.forEach` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayEach(array, iteratee) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (iteratee(array[index], index, array) === false) {\n\t        break;\n\t      }\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.forEachRight` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayEachRight(array, iteratee) {\n\t    var length = array == null ? 0 : array.length;\n\t\n\t    while (length--) {\n\t      if (iteratee(array[length], length, array) === false) {\n\t        break;\n\t      }\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.every` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t   *  else `false`.\n\t   */\n\t  function arrayEvery(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (!predicate(array[index], index, array)) {\n\t        return false;\n\t      }\n\t    }\n\t    return true;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.filter` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {Array} Returns the new filtered array.\n\t   */\n\t  function arrayFilter(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length,\n\t        resIndex = 0,\n\t        result = [];\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      if (predicate(value, index, array)) {\n\t        result[resIndex++] = value;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.includes` for arrays without support for\n\t   * specifying an index to search from.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to inspect.\n\t   * @param {*} target The value to search for.\n\t   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n\t   */\n\t  function arrayIncludes(array, value) {\n\t    var length = array == null ? 0 : array.length;\n\t    return !!length && baseIndexOf(array, value, 0) > -1;\n\t  }\n\t\n\t  /**\n\t   * This function is like `arrayIncludes` except that it accepts a comparator.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to inspect.\n\t   * @param {*} target The value to search for.\n\t   * @param {Function} comparator The comparator invoked per element.\n\t   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n\t   */\n\t  function arrayIncludesWith(array, value, comparator) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (comparator(value, array[index])) {\n\t        return true;\n\t      }\n\t    }\n\t    return false;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.map` for arrays without support for iteratee\n\t   * shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns the new mapped array.\n\t   */\n\t  function arrayMap(array, iteratee) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length,\n\t        result = Array(length);\n\t\n\t    while (++index < length) {\n\t      result[index] = iteratee(array[index], index, array);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Appends the elements of `values` to `array`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to modify.\n\t   * @param {Array} values The values to append.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function arrayPush(array, values) {\n\t    var index = -1,\n\t        length = values.length,\n\t        offset = array.length;\n\t\n\t    while (++index < length) {\n\t      array[offset + index] = values[index];\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.reduce` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} [accumulator] The initial value.\n\t   * @param {boolean} [initAccum] Specify using the first element of `array` as\n\t   *  the initial value.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function arrayReduce(array, iteratee, accumulator, initAccum) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    if (initAccum && length) {\n\t      accumulator = array[++index];\n\t    }\n\t    while (++index < length) {\n\t      accumulator = iteratee(accumulator, array[index], index, array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.reduceRight` for arrays without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} [accumulator] The initial value.\n\t   * @param {boolean} [initAccum] Specify using the last element of `array` as\n\t   *  the initial value.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n\t    var length = array == null ? 0 : array.length;\n\t    if (initAccum && length) {\n\t      accumulator = array[--length];\n\t    }\n\t    while (length--) {\n\t      accumulator = iteratee(accumulator, array[length], length, array);\n\t    }\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.some` for arrays without support for iteratee\n\t   * shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} [array] The array to iterate over.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t   *  else `false`.\n\t   */\n\t  function arraySome(array, predicate) {\n\t    var index = -1,\n\t        length = array == null ? 0 : array.length;\n\t\n\t    while (++index < length) {\n\t      if (predicate(array[index], index, array)) {\n\t        return true;\n\t      }\n\t    }\n\t    return false;\n\t  }\n\t\n\t  /**\n\t   * Gets the size of an ASCII `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  var asciiSize = baseProperty('length');\n\t\n\t  /**\n\t   * Converts an ASCII `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function asciiToArray(string) {\n\t    return string.split('');\n\t  }\n\t\n\t  /**\n\t   * Splits an ASCII `string` into an array of its words.\n\t   *\n\t   * @private\n\t   * @param {string} The string to inspect.\n\t   * @returns {Array} Returns the words of `string`.\n\t   */\n\t  function asciiWords(string) {\n\t    return string.match(reAsciiWord) || [];\n\t  }\n\t\n\t  /**\n\t   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n\t   * without support for iteratee shorthands, which iterates over `collection`\n\t   * using `eachFunc`.\n\t   *\n\t   * @private\n\t   * @param {Array|Object} collection The collection to inspect.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @param {Function} eachFunc The function to iterate over `collection`.\n\t   * @returns {*} Returns the found element or its key, else `undefined`.\n\t   */\n\t  function baseFindKey(collection, predicate, eachFunc) {\n\t    var result;\n\t    eachFunc(collection, function(value, key, collection) {\n\t      if (predicate(value, key, collection)) {\n\t        result = key;\n\t        return false;\n\t      }\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n\t   * support for iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {Function} predicate The function invoked per iteration.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @param {boolean} [fromRight] Specify iterating from right to left.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n\t    var length = array.length,\n\t        index = fromIndex + (fromRight ? 1 : -1);\n\t\n\t    while ((fromRight ? index-- : ++index < length)) {\n\t      if (predicate(array[index], index, array)) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseIndexOf(array, value, fromIndex) {\n\t    return value === value\n\t      ? strictIndexOf(array, value, fromIndex)\n\t      : baseFindIndex(array, baseIsNaN, fromIndex);\n\t  }\n\t\n\t  /**\n\t   * This function is like `baseIndexOf` except that it accepts a comparator.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @param {Function} comparator The comparator invoked per element.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function baseIndexOfWith(array, value, fromIndex, comparator) {\n\t    var index = fromIndex - 1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      if (comparator(array[index], value)) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.isNaN` without support for number objects.\n\t   *\n\t   * @private\n\t   * @param {*} value The value to check.\n\t   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t   */\n\t  function baseIsNaN(value) {\n\t    return value !== value;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.mean` and `_.meanBy` without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {number} Returns the mean.\n\t   */\n\t  function baseMean(array, iteratee) {\n\t    var length = array == null ? 0 : array.length;\n\t    return length ? (baseSum(array, iteratee) / length) : NAN;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.property` without support for deep paths.\n\t   *\n\t   * @private\n\t   * @param {string} key The key of the property to get.\n\t   * @returns {Function} Returns the new accessor function.\n\t   */\n\t  function baseProperty(key) {\n\t    return function(object) {\n\t      return object == null ? undefined : object[key];\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.propertyOf` without support for deep paths.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @returns {Function} Returns the new accessor function.\n\t   */\n\t  function basePropertyOf(object) {\n\t    return function(key) {\n\t      return object == null ? undefined : object[key];\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n\t   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n\t   *\n\t   * @private\n\t   * @param {Array|Object} collection The collection to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @param {*} accumulator The initial value.\n\t   * @param {boolean} initAccum Specify using the first or last element of\n\t   *  `collection` as the initial value.\n\t   * @param {Function} eachFunc The function to iterate over `collection`.\n\t   * @returns {*} Returns the accumulated value.\n\t   */\n\t  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n\t    eachFunc(collection, function(value, index, collection) {\n\t      accumulator = initAccum\n\t        ? (initAccum = false, value)\n\t        : iteratee(accumulator, value, index, collection);\n\t    });\n\t    return accumulator;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.sortBy` which uses `comparer` to define the\n\t   * sort order of `array` and replaces criteria objects with their corresponding\n\t   * values.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to sort.\n\t   * @param {Function} comparer The function to define sort order.\n\t   * @returns {Array} Returns `array`.\n\t   */\n\t  function baseSortBy(array, comparer) {\n\t    var length = array.length;\n\t\n\t    array.sort(comparer);\n\t    while (length--) {\n\t      array[length] = array[length].value;\n\t    }\n\t    return array;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.sum` and `_.sumBy` without support for\n\t   * iteratee shorthands.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to iterate over.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {number} Returns the sum.\n\t   */\n\t  function baseSum(array, iteratee) {\n\t    var result,\n\t        index = -1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      var current = iteratee(array[index]);\n\t      if (current !== undefined) {\n\t        result = result === undefined ? current : (result + current);\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.times` without support for iteratee shorthands\n\t   * or max array length checks.\n\t   *\n\t   * @private\n\t   * @param {number} n The number of times to invoke `iteratee`.\n\t   * @param {Function} iteratee The function invoked per iteration.\n\t   * @returns {Array} Returns the array of results.\n\t   */\n\t  function baseTimes(n, iteratee) {\n\t    var index = -1,\n\t        result = Array(n);\n\t\n\t    while (++index < n) {\n\t      result[index] = iteratee(index);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n\t   * of key-value pairs for `object` corresponding to the property names of `props`.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @param {Array} props The property names to get values for.\n\t   * @returns {Object} Returns the key-value pairs.\n\t   */\n\t  function baseToPairs(object, props) {\n\t    return arrayMap(props, function(key) {\n\t      return [key, object[key]];\n\t    });\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.unary` without support for storing metadata.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to cap arguments for.\n\t   * @returns {Function} Returns the new capped function.\n\t   */\n\t  function baseUnary(func) {\n\t    return function(value) {\n\t      return func(value);\n\t    };\n\t  }\n\t\n\t  /**\n\t   * The base implementation of `_.values` and `_.valuesIn` which creates an\n\t   * array of `object` property values corresponding to the property names\n\t   * of `props`.\n\t   *\n\t   * @private\n\t   * @param {Object} object The object to query.\n\t   * @param {Array} props The property names to get values for.\n\t   * @returns {Object} Returns the array of property values.\n\t   */\n\t  function baseValues(object, props) {\n\t    return arrayMap(props, function(key) {\n\t      return object[key];\n\t    });\n\t  }\n\t\n\t  /**\n\t   * Checks if a `cache` value for `key` exists.\n\t   *\n\t   * @private\n\t   * @param {Object} cache The cache to query.\n\t   * @param {string} key The key of the entry to check.\n\t   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t   */\n\t  function cacheHas(cache, key) {\n\t    return cache.has(key);\n\t  }\n\t\n\t  /**\n\t   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n\t   * that is not found in the character symbols.\n\t   *\n\t   * @private\n\t   * @param {Array} strSymbols The string symbols to inspect.\n\t   * @param {Array} chrSymbols The character symbols to find.\n\t   * @returns {number} Returns the index of the first unmatched string symbol.\n\t   */\n\t  function charsStartIndex(strSymbols, chrSymbols) {\n\t    var index = -1,\n\t        length = strSymbols.length;\n\t\n\t    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n\t   * that is not found in the character symbols.\n\t   *\n\t   * @private\n\t   * @param {Array} strSymbols The string symbols to inspect.\n\t   * @param {Array} chrSymbols The character symbols to find.\n\t   * @returns {number} Returns the index of the last unmatched string symbol.\n\t   */\n\t  function charsEndIndex(strSymbols, chrSymbols) {\n\t    var index = strSymbols.length;\n\t\n\t    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Gets the number of `placeholder` occurrences in `array`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} placeholder The placeholder to search for.\n\t   * @returns {number} Returns the placeholder count.\n\t   */\n\t  function countHolders(array, placeholder) {\n\t    var length = array.length,\n\t        result = 0;\n\t\n\t    while (length--) {\n\t      if (array[length] === placeholder) {\n\t        ++result;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n\t   * letters to basic Latin letters.\n\t   *\n\t   * @private\n\t   * @param {string} letter The matched letter to deburr.\n\t   * @returns {string} Returns the deburred letter.\n\t   */\n\t  var deburrLetter = basePropertyOf(deburredLetters);\n\t\n\t  /**\n\t   * Used by `_.escape` to convert characters to HTML entities.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to escape.\n\t   * @returns {string} Returns the escaped character.\n\t   */\n\t  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\t\n\t  /**\n\t   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to escape.\n\t   * @returns {string} Returns the escaped character.\n\t   */\n\t  function escapeStringChar(chr) {\n\t    return '\\\\' + stringEscapes[chr];\n\t  }\n\t\n\t  /**\n\t   * Gets the value at `key` of `object`.\n\t   *\n\t   * @private\n\t   * @param {Object} [object] The object to query.\n\t   * @param {string} key The key of the property to get.\n\t   * @returns {*} Returns the property value.\n\t   */\n\t  function getValue(object, key) {\n\t    return object == null ? undefined : object[key];\n\t  }\n\t\n\t  /**\n\t   * Checks if `string` contains Unicode symbols.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n\t   */\n\t  function hasUnicode(string) {\n\t    return reHasUnicode.test(string);\n\t  }\n\t\n\t  /**\n\t   * Checks if `string` contains a word composed of Unicode symbols.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {boolean} Returns `true` if a word is found, else `false`.\n\t   */\n\t  function hasUnicodeWord(string) {\n\t    return reHasUnicodeWord.test(string);\n\t  }\n\t\n\t  /**\n\t   * Converts `iterator` to an array.\n\t   *\n\t   * @private\n\t   * @param {Object} iterator The iterator to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function iteratorToArray(iterator) {\n\t    var data,\n\t        result = [];\n\t\n\t    while (!(data = iterator.next()).done) {\n\t      result.push(data.value);\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `map` to its key-value pairs.\n\t   *\n\t   * @private\n\t   * @param {Object} map The map to convert.\n\t   * @returns {Array} Returns the key-value pairs.\n\t   */\n\t  function mapToArray(map) {\n\t    var index = -1,\n\t        result = Array(map.size);\n\t\n\t    map.forEach(function(value, key) {\n\t      result[++index] = [key, value];\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Creates a unary function that invokes `func` with its argument transformed.\n\t   *\n\t   * @private\n\t   * @param {Function} func The function to wrap.\n\t   * @param {Function} transform The argument transform.\n\t   * @returns {Function} Returns the new function.\n\t   */\n\t  function overArg(func, transform) {\n\t    return function(arg) {\n\t      return func(transform(arg));\n\t    };\n\t  }\n\t\n\t  /**\n\t   * Replaces all `placeholder` elements in `array` with an internal placeholder\n\t   * and returns an array of their indexes.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to modify.\n\t   * @param {*} placeholder The placeholder to replace.\n\t   * @returns {Array} Returns the new array of placeholder indexes.\n\t   */\n\t  function replaceHolders(array, placeholder) {\n\t    var index = -1,\n\t        length = array.length,\n\t        resIndex = 0,\n\t        result = [];\n\t\n\t    while (++index < length) {\n\t      var value = array[index];\n\t      if (value === placeholder || value === PLACEHOLDER) {\n\t        array[index] = PLACEHOLDER;\n\t        result[resIndex++] = index;\n\t      }\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `set` to an array of its values.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to convert.\n\t   * @returns {Array} Returns the values.\n\t   */\n\t  function setToArray(set) {\n\t    var index = -1,\n\t        result = Array(set.size);\n\t\n\t    set.forEach(function(value) {\n\t      result[++index] = value;\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts `set` to its value-value pairs.\n\t   *\n\t   * @private\n\t   * @param {Object} set The set to convert.\n\t   * @returns {Array} Returns the value-value pairs.\n\t   */\n\t  function setToPairs(set) {\n\t    var index = -1,\n\t        result = Array(set.size);\n\t\n\t    set.forEach(function(value) {\n\t      result[++index] = [value, value];\n\t    });\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.indexOf` which performs strict equality\n\t   * comparisons of values, i.e. `===`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function strictIndexOf(array, value, fromIndex) {\n\t    var index = fromIndex - 1,\n\t        length = array.length;\n\t\n\t    while (++index < length) {\n\t      if (array[index] === value) {\n\t        return index;\n\t      }\n\t    }\n\t    return -1;\n\t  }\n\t\n\t  /**\n\t   * A specialized version of `_.lastIndexOf` which performs strict equality\n\t   * comparisons of values, i.e. `===`.\n\t   *\n\t   * @private\n\t   * @param {Array} array The array to inspect.\n\t   * @param {*} value The value to search for.\n\t   * @param {number} fromIndex The index to search from.\n\t   * @returns {number} Returns the index of the matched value, else `-1`.\n\t   */\n\t  function strictLastIndexOf(array, value, fromIndex) {\n\t    var index = fromIndex + 1;\n\t    while (index--) {\n\t      if (array[index] === value) {\n\t        return index;\n\t      }\n\t    }\n\t    return index;\n\t  }\n\t\n\t  /**\n\t   * Gets the number of symbols in `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  function stringSize(string) {\n\t    return hasUnicode(string)\n\t      ? unicodeSize(string)\n\t      : asciiSize(string);\n\t  }\n\t\n\t  /**\n\t   * Converts `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function stringToArray(string) {\n\t    return hasUnicode(string)\n\t      ? unicodeToArray(string)\n\t      : asciiToArray(string);\n\t  }\n\t\n\t  /**\n\t   * Used by `_.unescape` to convert HTML entities to characters.\n\t   *\n\t   * @private\n\t   * @param {string} chr The matched character to unescape.\n\t   * @returns {string} Returns the unescaped character.\n\t   */\n\t  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\t\n\t  /**\n\t   * Gets the size of a Unicode `string`.\n\t   *\n\t   * @private\n\t   * @param {string} string The string inspect.\n\t   * @returns {number} Returns the string size.\n\t   */\n\t  function unicodeSize(string) {\n\t    var result = reUnicode.lastIndex = 0;\n\t    while (reUnicode.test(string)) {\n\t      ++result;\n\t    }\n\t    return result;\n\t  }\n\t\n\t  /**\n\t   * Converts a Unicode `string` to an array.\n\t   *\n\t   * @private\n\t   * @param {string} string The string to convert.\n\t   * @returns {Array} Returns the converted array.\n\t   */\n\t  function unicodeToArray(string) {\n\t    return string.match(reUnicode) || [];\n\t  }\n\t\n\t  /**\n\t   * Splits a Unicode `string` into an array of its words.\n\t   *\n\t   * @private\n\t   * @param {string} The string to inspect.\n\t   * @returns {Array} Returns the words of `string`.\n\t   */\n\t  function unicodeWords(string) {\n\t    return string.match(reUnicodeWord) || [];\n\t  }\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  /**\n\t   * Create a new pristine `lodash` function using the `context` object.\n\t   *\n\t   * @static\n\t   * @memberOf _\n\t   * @since 1.1.0\n\t   * @category Util\n\t   * @param {Object} [context=root] The context object.\n\t   * @returns {Function} Returns a new `lodash` function.\n\t   * @example\n\t   *\n\t   * _.mixin({ 'foo': _.constant('foo') });\n\t   *\n\t   * var lodash = _.runInContext();\n\t   * lodash.mixin({ 'bar': lodash.constant('bar') });\n\t   *\n\t   * _.isFunction(_.foo);\n\t   * // => true\n\t   * _.isFunction(_.bar);\n\t   * // => false\n\t   *\n\t   * lodash.isFunction(lodash.foo);\n\t   * // => false\n\t   * lodash.isFunction(lodash.bar);\n\t   * // => true\n\t   *\n\t   * // Create a suped-up `defer` in Node.js.\n\t   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n\t   */\n\t  var runInContext = (function runInContext(context) {\n\t    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\t\n\t    /** Built-in constructor references. */\n\t    var Array = context.Array,\n\t        Date = context.Date,\n\t        Error = context.Error,\n\t        Function = context.Function,\n\t        Math = context.Math,\n\t        Object = context.Object,\n\t        RegExp = context.RegExp,\n\t        String = context.String,\n\t        TypeError = context.TypeError;\n\t\n\t    /** Used for built-in method references. */\n\t    var arrayProto = Array.prototype,\n\t        funcProto = Function.prototype,\n\t        objectProto = Object.prototype;\n\t\n\t    /** Used to detect overreaching core-js shims. */\n\t    var coreJsData = context['__core-js_shared__'];\n\t\n\t    /** Used to resolve the decompiled source of functions. */\n\t    var funcToString = funcProto.toString;\n\t\n\t    /** Used to check objects for own properties. */\n\t    var hasOwnProperty = objectProto.hasOwnProperty;\n\t\n\t    /** Used to generate unique IDs. */\n\t    var idCounter = 0;\n\t\n\t    /** Used to detect methods masquerading as native. */\n\t    var maskSrcKey = (function() {\n\t      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n\t      return uid ? ('Symbol(src)_1.' + uid) : '';\n\t    }());\n\t\n\t    /**\n\t     * Used to resolve the\n\t     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n\t     * of values.\n\t     */\n\t    var nativeObjectToString = objectProto.toString;\n\t\n\t    /** Used to infer the `Object` constructor. */\n\t    var objectCtorString = funcToString.call(Object);\n\t\n\t    /** Used to restore the original `_` reference in `_.noConflict`. */\n\t    var oldDash = root._;\n\t\n\t    /** Used to detect if a method is native. */\n\t    var reIsNative = RegExp('^' +\n\t      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n\t      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n\t    );\n\t\n\t    /** Built-in value references. */\n\t    var Buffer = moduleExports ? context.Buffer : undefined,\n\t        Symbol = context.Symbol,\n\t        Uint8Array = context.Uint8Array,\n\t        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n\t        getPrototype = overArg(Object.getPrototypeOf, Object),\n\t        objectCreate = Object.create,\n\t        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n\t        splice = arrayProto.splice,\n\t        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n\t        symIterator = Symbol ? Symbol.iterator : undefined,\n\t        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\t\n\t    var defineProperty = (function() {\n\t      try {\n\t        var func = getNative(Object, 'defineProperty');\n\t        func({}, '', {});\n\t        return func;\n\t      } catch (e) {}\n\t    }());\n\t\n\t    /** Mocked built-ins. */\n\t    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n\t        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n\t        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\t\n\t    /* Built-in method references for those with the same name as other `lodash` methods. */\n\t    var nativeCeil = Math.ceil,\n\t        nativeFloor = Math.floor,\n\t        nativeGetSymbols = Object.getOwnPropertySymbols,\n\t        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n\t        nativeIsFinite = context.isFinite,\n\t        nativeJoin = arrayProto.join,\n\t        nativeKeys = overArg(Object.keys, Object),\n\t        nativeMax = Math.max,\n\t        nativeMin = Math.min,\n\t        nativeNow = Date.now,\n\t        nativeParseInt = context.parseInt,\n\t        nativeRandom = Math.random,\n\t        nativeReverse = arrayProto.reverse;\n\t\n\t    /* Built-in method references that are verified to be native. */\n\t    var DataView = getNative(context, 'DataView'),\n\t        Map = getNative(context, 'Map'),\n\t        Promise = getNative(context, 'Promise'),\n\t        Set = getNative(context, 'Set'),\n\t        WeakMap = getNative(context, 'WeakMap'),\n\t        nativeCreate = getNative(Object, 'create');\n\t\n\t    /** Used to store function metadata. */\n\t    var metaMap = WeakMap && new WeakMap;\n\t\n\t    /** Used to lookup unminified function names. */\n\t    var realNames = {};\n\t\n\t    /** Used to detect maps, sets, and weakmaps. */\n\t    var dataViewCtorString = toSource(DataView),\n\t        mapCtorString = toSource(Map),\n\t        promiseCtorString = toSource(Promise),\n\t        setCtorString = toSource(Set),\n\t        weakMapCtorString = toSource(WeakMap);\n\t\n\t    /** Used to convert symbols to primitives and strings. */\n\t    var symbolProto = Symbol ? Symbol.prototype : undefined,\n\t        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n\t        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a `lodash` object which wraps `value` to enable implicit method\n\t     * chain sequences. Methods that operate on and return arrays, collections,\n\t     * and functions can be chained together. Methods that retrieve a single value\n\t     * or may return a primitive value will automatically end the chain sequence\n\t     * and return the unwrapped value. Otherwise, the value must be unwrapped\n\t     * with `_#value`.\n\t     *\n\t     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n\t     * enabled using `_.chain`.\n\t     *\n\t     * The execution of chained methods is lazy, that is, it's deferred until\n\t     * `_#value` is implicitly or explicitly called.\n\t     *\n\t     * Lazy evaluation allows several methods to support shortcut fusion.\n\t     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n\t     * the creation of intermediate arrays and can greatly reduce the number of\n\t     * iteratee executions. Sections of a chain sequence qualify for shortcut\n\t     * fusion if the section is applied to an array and iteratees accept only\n\t     * one argument. The heuristic for whether a section qualifies for shortcut\n\t     * fusion is subject to change.\n\t     *\n\t     * Chaining is supported in custom builds as long as the `_#value` method is\n\t     * directly or indirectly included in the build.\n\t     *\n\t     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n\t     *\n\t     * The wrapper `Array` methods are:\n\t     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n\t     *\n\t     * The wrapper `String` methods are:\n\t     * `replace` and `split`\n\t     *\n\t     * The wrapper methods that support shortcut fusion are:\n\t     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n\t     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n\t     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n\t     *\n\t     * The chainable wrapper methods are:\n\t     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n\t     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n\t     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n\t     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n\t     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n\t     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n\t     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n\t     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n\t     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n\t     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n\t     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n\t     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n\t     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n\t     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n\t     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n\t     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n\t     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n\t     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n\t     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n\t     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n\t     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n\t     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n\t     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n\t     * `zipObject`, `zipObjectDeep`, and `zipWith`\n\t     *\n\t     * The wrapper methods that are **not** chainable by default are:\n\t     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n\t     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n\t     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n\t     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n\t     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n\t     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n\t     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n\t     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n\t     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n\t     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n\t     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n\t     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n\t     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n\t     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n\t     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n\t     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n\t     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n\t     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n\t     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n\t     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n\t     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n\t     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n\t     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n\t     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n\t     * `upperFirst`, `value`, and `words`\n\t     *\n\t     * @name _\n\t     * @constructor\n\t     * @category Seq\n\t     * @param {*} value The value to wrap in a `lodash` instance.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var wrapped = _([1, 2, 3]);\n\t     *\n\t     * // Returns an unwrapped value.\n\t     * wrapped.reduce(_.add);\n\t     * // => 6\n\t     *\n\t     * // Returns a wrapped value.\n\t     * var squares = wrapped.map(square);\n\t     *\n\t     * _.isArray(squares);\n\t     * // => false\n\t     *\n\t     * _.isArray(squares.value());\n\t     * // => true\n\t     */\n\t    function lodash(value) {\n\t      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n\t        if (value instanceof LodashWrapper) {\n\t          return value;\n\t        }\n\t        if (hasOwnProperty.call(value, '__wrapped__')) {\n\t          return wrapperClone(value);\n\t        }\n\t      }\n\t      return new LodashWrapper(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.create` without support for assigning\n\t     * properties to the created object.\n\t     *\n\t     * @private\n\t     * @param {Object} proto The object to inherit from.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    var baseCreate = (function() {\n\t      function object() {}\n\t      return function(proto) {\n\t        if (!isObject(proto)) {\n\t          return {};\n\t        }\n\t        if (objectCreate) {\n\t          return objectCreate(proto);\n\t        }\n\t        object.prototype = proto;\n\t        var result = new object;\n\t        object.prototype = undefined;\n\t        return result;\n\t      };\n\t    }());\n\t\n\t    /**\n\t     * The function whose prototype chain sequence wrappers inherit from.\n\t     *\n\t     * @private\n\t     */\n\t    function baseLodash() {\n\t      // No operation performed.\n\t    }\n\t\n\t    /**\n\t     * The base constructor for creating `lodash` wrapper objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to wrap.\n\t     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n\t     */\n\t    function LodashWrapper(value, chainAll) {\n\t      this.__wrapped__ = value;\n\t      this.__actions__ = [];\n\t      this.__chain__ = !!chainAll;\n\t      this.__index__ = 0;\n\t      this.__values__ = undefined;\n\t    }\n\t\n\t    /**\n\t     * By default, the template delimiters used by lodash are like those in\n\t     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n\t     * following template settings to use alternative delimiters.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @type {Object}\n\t     */\n\t    lodash.templateSettings = {\n\t\n\t      /**\n\t       * Used to detect `data` property values to be HTML-escaped.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'escape': reEscape,\n\t\n\t      /**\n\t       * Used to detect code to be evaluated.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'evaluate': reEvaluate,\n\t\n\t      /**\n\t       * Used to detect `data` property values to inject.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {RegExp}\n\t       */\n\t      'interpolate': reInterpolate,\n\t\n\t      /**\n\t       * Used to reference the data object in the template text.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {string}\n\t       */\n\t      'variable': '',\n\t\n\t      /**\n\t       * Used to import variables into the compiled template.\n\t       *\n\t       * @memberOf _.templateSettings\n\t       * @type {Object}\n\t       */\n\t      'imports': {\n\t\n\t        /**\n\t         * A reference to the `lodash` function.\n\t         *\n\t         * @memberOf _.templateSettings.imports\n\t         * @type {Function}\n\t         */\n\t        '_': lodash\n\t      }\n\t    };\n\t\n\t    // Ensure wrappers are instances of `baseLodash`.\n\t    lodash.prototype = baseLodash.prototype;\n\t    lodash.prototype.constructor = lodash;\n\t\n\t    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n\t    LodashWrapper.prototype.constructor = LodashWrapper;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {*} value The value to wrap.\n\t     */\n\t    function LazyWrapper(value) {\n\t      this.__wrapped__ = value;\n\t      this.__actions__ = [];\n\t      this.__dir__ = 1;\n\t      this.__filtered__ = false;\n\t      this.__iteratees__ = [];\n\t      this.__takeCount__ = MAX_ARRAY_LENGTH;\n\t      this.__views__ = [];\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the lazy wrapper object.\n\t     *\n\t     * @private\n\t     * @name clone\n\t     * @memberOf LazyWrapper\n\t     * @returns {Object} Returns the cloned `LazyWrapper` object.\n\t     */\n\t    function lazyClone() {\n\t      var result = new LazyWrapper(this.__wrapped__);\n\t      result.__actions__ = copyArray(this.__actions__);\n\t      result.__dir__ = this.__dir__;\n\t      result.__filtered__ = this.__filtered__;\n\t      result.__iteratees__ = copyArray(this.__iteratees__);\n\t      result.__takeCount__ = this.__takeCount__;\n\t      result.__views__ = copyArray(this.__views__);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Reverses the direction of lazy iteration.\n\t     *\n\t     * @private\n\t     * @name reverse\n\t     * @memberOf LazyWrapper\n\t     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n\t     */\n\t    function lazyReverse() {\n\t      if (this.__filtered__) {\n\t        var result = new LazyWrapper(this);\n\t        result.__dir__ = -1;\n\t        result.__filtered__ = true;\n\t      } else {\n\t        result = this.clone();\n\t        result.__dir__ *= -1;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Extracts the unwrapped value from its lazy wrapper.\n\t     *\n\t     * @private\n\t     * @name value\n\t     * @memberOf LazyWrapper\n\t     * @returns {*} Returns the unwrapped value.\n\t     */\n\t    function lazyValue() {\n\t      var array = this.__wrapped__.value(),\n\t          dir = this.__dir__,\n\t          isArr = isArray(array),\n\t          isRight = dir < 0,\n\t          arrLength = isArr ? array.length : 0,\n\t          view = getView(0, arrLength, this.__views__),\n\t          start = view.start,\n\t          end = view.end,\n\t          length = end - start,\n\t          index = isRight ? end : (start - 1),\n\t          iteratees = this.__iteratees__,\n\t          iterLength = iteratees.length,\n\t          resIndex = 0,\n\t          takeCount = nativeMin(length, this.__takeCount__);\n\t\n\t      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n\t        return baseWrapperValue(array, this.__actions__);\n\t      }\n\t      var result = [];\n\t\n\t      outer:\n\t      while (length-- && resIndex < takeCount) {\n\t        index += dir;\n\t\n\t        var iterIndex = -1,\n\t            value = array[index];\n\t\n\t        while (++iterIndex < iterLength) {\n\t          var data = iteratees[iterIndex],\n\t              iteratee = data.iteratee,\n\t              type = data.type,\n\t              computed = iteratee(value);\n\t\n\t          if (type == LAZY_MAP_FLAG) {\n\t            value = computed;\n\t          } else if (!computed) {\n\t            if (type == LAZY_FILTER_FLAG) {\n\t              continue outer;\n\t            } else {\n\t              break outer;\n\t            }\n\t          }\n\t        }\n\t        result[resIndex++] = value;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n\t    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n\t    LazyWrapper.prototype.constructor = LazyWrapper;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a hash object.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function Hash(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the hash.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf Hash\n\t     */\n\t    function hashClear() {\n\t      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the hash.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf Hash\n\t     * @param {Object} hash The hash to modify.\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function hashDelete(key) {\n\t      var result = this.has(key) && delete this.__data__[key];\n\t      this.size -= result ? 1 : 0;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the hash value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function hashGet(key) {\n\t      var data = this.__data__;\n\t      if (nativeCreate) {\n\t        var result = data[key];\n\t        return result === HASH_UNDEFINED ? undefined : result;\n\t      }\n\t      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n\t    }\n\t\n\t    /**\n\t     * Checks if a hash value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function hashHas(key) {\n\t      var data = this.__data__;\n\t      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n\t    }\n\t\n\t    /**\n\t     * Sets the hash `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf Hash\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the hash instance.\n\t     */\n\t    function hashSet(key, value) {\n\t      var data = this.__data__;\n\t      this.size += this.has(key) ? 0 : 1;\n\t      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `Hash`.\n\t    Hash.prototype.clear = hashClear;\n\t    Hash.prototype['delete'] = hashDelete;\n\t    Hash.prototype.get = hashGet;\n\t    Hash.prototype.has = hashHas;\n\t    Hash.prototype.set = hashSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an list cache object.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function ListCache(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the list cache.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf ListCache\n\t     */\n\t    function listCacheClear() {\n\t      this.__data__ = [];\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the list cache.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function listCacheDelete(key) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      if (index < 0) {\n\t        return false;\n\t      }\n\t      var lastIndex = data.length - 1;\n\t      if (index == lastIndex) {\n\t        data.pop();\n\t      } else {\n\t        splice.call(data, index, 1);\n\t      }\n\t      --this.size;\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Gets the list cache value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function listCacheGet(key) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      return index < 0 ? undefined : data[index][1];\n\t    }\n\t\n\t    /**\n\t     * Checks if a list cache value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function listCacheHas(key) {\n\t      return assocIndexOf(this.__data__, key) > -1;\n\t    }\n\t\n\t    /**\n\t     * Sets the list cache `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf ListCache\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the list cache instance.\n\t     */\n\t    function listCacheSet(key, value) {\n\t      var data = this.__data__,\n\t          index = assocIndexOf(data, key);\n\t\n\t      if (index < 0) {\n\t        ++this.size;\n\t        data.push([key, value]);\n\t      } else {\n\t        data[index][1] = value;\n\t      }\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `ListCache`.\n\t    ListCache.prototype.clear = listCacheClear;\n\t    ListCache.prototype['delete'] = listCacheDelete;\n\t    ListCache.prototype.get = listCacheGet;\n\t    ListCache.prototype.has = listCacheHas;\n\t    ListCache.prototype.set = listCacheSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a map cache object to store key-value pairs.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function MapCache(entries) {\n\t      var index = -1,\n\t          length = entries == null ? 0 : entries.length;\n\t\n\t      this.clear();\n\t      while (++index < length) {\n\t        var entry = entries[index];\n\t        this.set(entry[0], entry[1]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the map.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf MapCache\n\t     */\n\t    function mapCacheClear() {\n\t      this.size = 0;\n\t      this.__data__ = {\n\t        'hash': new Hash,\n\t        'map': new (Map || ListCache),\n\t        'string': new Hash\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the map.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function mapCacheDelete(key) {\n\t      var result = getMapData(this, key)['delete'](key);\n\t      this.size -= result ? 1 : 0;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the map value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function mapCacheGet(key) {\n\t      return getMapData(this, key).get(key);\n\t    }\n\t\n\t    /**\n\t     * Checks if a map value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function mapCacheHas(key) {\n\t      return getMapData(this, key).has(key);\n\t    }\n\t\n\t    /**\n\t     * Sets the map `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf MapCache\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the map cache instance.\n\t     */\n\t    function mapCacheSet(key, value) {\n\t      var data = getMapData(this, key),\n\t          size = data.size;\n\t\n\t      data.set(key, value);\n\t      this.size += data.size == size ? 0 : 1;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `MapCache`.\n\t    MapCache.prototype.clear = mapCacheClear;\n\t    MapCache.prototype['delete'] = mapCacheDelete;\n\t    MapCache.prototype.get = mapCacheGet;\n\t    MapCache.prototype.has = mapCacheHas;\n\t    MapCache.prototype.set = mapCacheSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     *\n\t     * Creates an array cache object to store unique values.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [values] The values to cache.\n\t     */\n\t    function SetCache(values) {\n\t      var index = -1,\n\t          length = values == null ? 0 : values.length;\n\t\n\t      this.__data__ = new MapCache;\n\t      while (++index < length) {\n\t        this.add(values[index]);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Adds `value` to the array cache.\n\t     *\n\t     * @private\n\t     * @name add\n\t     * @memberOf SetCache\n\t     * @alias push\n\t     * @param {*} value The value to cache.\n\t     * @returns {Object} Returns the cache instance.\n\t     */\n\t    function setCacheAdd(value) {\n\t      this.__data__.set(value, HASH_UNDEFINED);\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is in the array cache.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf SetCache\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns `true` if `value` is found, else `false`.\n\t     */\n\t    function setCacheHas(value) {\n\t      return this.__data__.has(value);\n\t    }\n\t\n\t    // Add methods to `SetCache`.\n\t    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n\t    SetCache.prototype.has = setCacheHas;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a stack cache object to store key-value pairs.\n\t     *\n\t     * @private\n\t     * @constructor\n\t     * @param {Array} [entries] The key-value pairs to cache.\n\t     */\n\t    function Stack(entries) {\n\t      var data = this.__data__ = new ListCache(entries);\n\t      this.size = data.size;\n\t    }\n\t\n\t    /**\n\t     * Removes all key-value entries from the stack.\n\t     *\n\t     * @private\n\t     * @name clear\n\t     * @memberOf Stack\n\t     */\n\t    function stackClear() {\n\t      this.__data__ = new ListCache;\n\t      this.size = 0;\n\t    }\n\t\n\t    /**\n\t     * Removes `key` and its value from the stack.\n\t     *\n\t     * @private\n\t     * @name delete\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to remove.\n\t     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n\t     */\n\t    function stackDelete(key) {\n\t      var data = this.__data__,\n\t          result = data['delete'](key);\n\t\n\t      this.size = data.size;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the stack value for `key`.\n\t     *\n\t     * @private\n\t     * @name get\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to get.\n\t     * @returns {*} Returns the entry value.\n\t     */\n\t    function stackGet(key) {\n\t      return this.__data__.get(key);\n\t    }\n\t\n\t    /**\n\t     * Checks if a stack value for `key` exists.\n\t     *\n\t     * @private\n\t     * @name has\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the entry to check.\n\t     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n\t     */\n\t    function stackHas(key) {\n\t      return this.__data__.has(key);\n\t    }\n\t\n\t    /**\n\t     * Sets the stack `key` to `value`.\n\t     *\n\t     * @private\n\t     * @name set\n\t     * @memberOf Stack\n\t     * @param {string} key The key of the value to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns the stack cache instance.\n\t     */\n\t    function stackSet(key, value) {\n\t      var data = this.__data__;\n\t      if (data instanceof ListCache) {\n\t        var pairs = data.__data__;\n\t        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n\t          pairs.push([key, value]);\n\t          this.size = ++data.size;\n\t          return this;\n\t        }\n\t        data = this.__data__ = new MapCache(pairs);\n\t      }\n\t      data.set(key, value);\n\t      this.size = data.size;\n\t      return this;\n\t    }\n\t\n\t    // Add methods to `Stack`.\n\t    Stack.prototype.clear = stackClear;\n\t    Stack.prototype['delete'] = stackDelete;\n\t    Stack.prototype.get = stackGet;\n\t    Stack.prototype.has = stackHas;\n\t    Stack.prototype.set = stackSet;\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an array of the enumerable property names of the array-like `value`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @param {boolean} inherited Specify returning inherited property names.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function arrayLikeKeys(value, inherited) {\n\t      var isArr = isArray(value),\n\t          isArg = !isArr && isArguments(value),\n\t          isBuff = !isArr && !isArg && isBuffer(value),\n\t          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n\t          skipIndexes = isArr || isArg || isBuff || isType,\n\t          result = skipIndexes ? baseTimes(value.length, String) : [],\n\t          length = result.length;\n\t\n\t      for (var key in value) {\n\t        if ((inherited || hasOwnProperty.call(value, key)) &&\n\t            !(skipIndexes && (\n\t               // Safari 9 has enumerable `arguments.length` in strict mode.\n\t               key == 'length' ||\n\t               // Node.js 0.10 has enumerable non-index properties on buffers.\n\t               (isBuff && (key == 'offset' || key == 'parent')) ||\n\t               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n\t               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n\t               // Skip index properties.\n\t               isIndex(key, length)\n\t            ))) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.sample` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to sample.\n\t     * @returns {*} Returns the random element.\n\t     */\n\t    function arraySample(array) {\n\t      var length = array.length;\n\t      return length ? array[baseRandom(0, length - 1)] : undefined;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.sampleSize` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to sample.\n\t     * @param {number} n The number of elements to sample.\n\t     * @returns {Array} Returns the random elements.\n\t     */\n\t    function arraySampleSize(array, n) {\n\t      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.shuffle` for arrays.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     */\n\t    function arrayShuffle(array) {\n\t      return shuffleSelf(copyArray(array));\n\t    }\n\t\n\t    /**\n\t     * This function is like `assignValue` except that it doesn't assign\n\t     * `undefined` values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function assignMergeValue(object, key, value) {\n\t      if ((value !== undefined && !eq(object[key], value)) ||\n\t          (value === undefined && !(key in object))) {\n\t        baseAssignValue(object, key, value);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function assignValue(object, key, value) {\n\t      var objValue = object[key];\n\t      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n\t          (value === undefined && !(key in object))) {\n\t        baseAssignValue(object, key, value);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Gets the index at which the `key` is found in `array` of key-value pairs.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} key The key to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     */\n\t    function assocIndexOf(array, key) {\n\t      var length = array.length;\n\t      while (length--) {\n\t        if (eq(array[length][0], key)) {\n\t          return length;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * Aggregates elements of `collection` on `accumulator` with keys transformed\n\t     * by `iteratee` and values set by `setter`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} setter The function to set `accumulator` values.\n\t     * @param {Function} iteratee The iteratee to transform keys.\n\t     * @param {Object} accumulator The initial aggregated object.\n\t     * @returns {Function} Returns `accumulator`.\n\t     */\n\t    function baseAggregator(collection, setter, iteratee, accumulator) {\n\t      baseEach(collection, function(value, key, collection) {\n\t        setter(accumulator, value, iteratee(value), collection);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.assign` without support for multiple sources\n\t     * or `customizer` functions.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseAssign(object, source) {\n\t      return object && copyObject(source, keys(source), object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.assignIn` without support for multiple sources\n\t     * or `customizer` functions.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseAssignIn(object, source) {\n\t      return object && copyObject(source, keysIn(source), object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `assignValue` and `assignMergeValue` without\n\t     * value checks.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {*} value The value to assign.\n\t     */\n\t    function baseAssignValue(object, key, value) {\n\t      if (key == '__proto__' && defineProperty) {\n\t        defineProperty(object, key, {\n\t          'configurable': true,\n\t          'enumerable': true,\n\t          'value': value,\n\t          'writable': true\n\t        });\n\t      } else {\n\t        object[key] = value;\n\t      }\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.at` without support for individual paths.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @returns {Array} Returns the picked elements.\n\t     */\n\t    function baseAt(object, paths) {\n\t      var index = -1,\n\t          length = paths.length,\n\t          result = Array(length),\n\t          skip = object == null;\n\t\n\t      while (++index < length) {\n\t        result[index] = skip ? undefined : get(object, paths[index]);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.clamp` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} number The number to clamp.\n\t     * @param {number} [lower] The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the clamped number.\n\t     */\n\t    function baseClamp(number, lower, upper) {\n\t      if (number === number) {\n\t        if (upper !== undefined) {\n\t          number = number <= upper ? number : upper;\n\t        }\n\t        if (lower !== undefined) {\n\t          number = number >= lower ? number : lower;\n\t        }\n\t      }\n\t      return number;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n\t     * traversed objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to clone.\n\t     * @param {boolean} bitmask The bitmask flags.\n\t     *  1 - Deep clone\n\t     *  2 - Flatten inherited properties\n\t     *  4 - Clone symbols\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @param {string} [key] The key of `value`.\n\t     * @param {Object} [object] The parent object of `value`.\n\t     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n\t     * @returns {*} Returns the cloned value.\n\t     */\n\t    function baseClone(value, bitmask, customizer, key, object, stack) {\n\t      var result,\n\t          isDeep = bitmask & CLONE_DEEP_FLAG,\n\t          isFlat = bitmask & CLONE_FLAT_FLAG,\n\t          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\t\n\t      if (customizer) {\n\t        result = object ? customizer(value, key, object, stack) : customizer(value);\n\t      }\n\t      if (result !== undefined) {\n\t        return result;\n\t      }\n\t      if (!isObject(value)) {\n\t        return value;\n\t      }\n\t      var isArr = isArray(value);\n\t      if (isArr) {\n\t        result = initCloneArray(value);\n\t        if (!isDeep) {\n\t          return copyArray(value, result);\n\t        }\n\t      } else {\n\t        var tag = getTag(value),\n\t            isFunc = tag == funcTag || tag == genTag;\n\t\n\t        if (isBuffer(value)) {\n\t          return cloneBuffer(value, isDeep);\n\t        }\n\t        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n\t          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n\t          if (!isDeep) {\n\t            return isFlat\n\t              ? copySymbolsIn(value, baseAssignIn(result, value))\n\t              : copySymbols(value, baseAssign(result, value));\n\t          }\n\t        } else {\n\t          if (!cloneableTags[tag]) {\n\t            return object ? value : {};\n\t          }\n\t          result = initCloneByTag(value, tag, baseClone, isDeep);\n\t        }\n\t      }\n\t      // Check for circular references and return its corresponding clone.\n\t      stack || (stack = new Stack);\n\t      var stacked = stack.get(value);\n\t      if (stacked) {\n\t        return stacked;\n\t      }\n\t      stack.set(value, result);\n\t\n\t      var keysFunc = isFull\n\t        ? (isFlat ? getAllKeysIn : getAllKeys)\n\t        : (isFlat ? keysIn : keys);\n\t\n\t      var props = isArr ? undefined : keysFunc(value);\n\t      arrayEach(props || value, function(subValue, key) {\n\t        if (props) {\n\t          key = subValue;\n\t          subValue = value[key];\n\t        }\n\t        // Recursively populate clone (susceptible to call stack limits).\n\t        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.conforms` which doesn't clone `source`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseConforms(source) {\n\t      var props = keys(source);\n\t      return function(object) {\n\t        return baseConformsTo(object, source, props);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.conformsTo` which accepts `props` to check.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n\t     */\n\t    function baseConformsTo(object, source, props) {\n\t      var length = props.length;\n\t      if (object == null) {\n\t        return !length;\n\t      }\n\t      object = Object(object);\n\t      while (length--) {\n\t        var key = props[length],\n\t            predicate = source[key],\n\t            value = object[key];\n\t\n\t        if ((value === undefined && !(key in object)) || !predicate(value)) {\n\t          return false;\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n\t     * to provide to `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @param {Array} args The arguments to provide to `func`.\n\t     * @returns {number|Object} Returns the timer id or timeout object.\n\t     */\n\t    function baseDelay(func, wait, args) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      return setTimeout(function() { func.apply(undefined, args); }, wait);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.difference` without support\n\t     * for excluding multiple arrays or iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Array} values The values to exclude.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     */\n\t    function baseDifference(array, values, iteratee, comparator) {\n\t      var index = -1,\n\t          includes = arrayIncludes,\n\t          isCommon = true,\n\t          length = array.length,\n\t          result = [],\n\t          valuesLength = values.length;\n\t\n\t      if (!length) {\n\t        return result;\n\t      }\n\t      if (iteratee) {\n\t        values = arrayMap(values, baseUnary(iteratee));\n\t      }\n\t      if (comparator) {\n\t        includes = arrayIncludesWith;\n\t        isCommon = false;\n\t      }\n\t      else if (values.length >= LARGE_ARRAY_SIZE) {\n\t        includes = cacheHas;\n\t        isCommon = false;\n\t        values = new SetCache(values);\n\t      }\n\t      outer:\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee == null ? value : iteratee(value);\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (isCommon && computed === computed) {\n\t          var valuesIndex = valuesLength;\n\t          while (valuesIndex--) {\n\t            if (values[valuesIndex] === computed) {\n\t              continue outer;\n\t            }\n\t          }\n\t          result.push(value);\n\t        }\n\t        else if (!includes(values, computed, comparator)) {\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.forEach` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     */\n\t    var baseEach = createBaseEach(baseForOwn);\n\t\n\t    /**\n\t     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     */\n\t    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\t\n\t    /**\n\t     * The base implementation of `_.every` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t     *  else `false`\n\t     */\n\t    function baseEvery(collection, predicate) {\n\t      var result = true;\n\t      baseEach(collection, function(value, index, collection) {\n\t        result = !!predicate(value, index, collection);\n\t        return result;\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.max` and `_.min` which accepts a\n\t     * `comparator` to determine the extremum value.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} iteratee The iteratee invoked per iteration.\n\t     * @param {Function} comparator The comparator used to compare values.\n\t     * @returns {*} Returns the extremum value.\n\t     */\n\t    function baseExtremum(array, iteratee, comparator) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            current = iteratee(value);\n\t\n\t        if (current != null && (computed === undefined\n\t              ? (current === current && !isSymbol(current))\n\t              : comparator(current, computed)\n\t            )) {\n\t          var computed = current,\n\t              result = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.fill` without an iteratee call guard.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to fill.\n\t     * @param {*} value The value to fill `array` with.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function baseFill(array, value, start, end) {\n\t      var length = array.length;\n\t\n\t      start = toInteger(start);\n\t      if (start < 0) {\n\t        start = -start > length ? 0 : (length + start);\n\t      }\n\t      end = (end === undefined || end > length) ? length : toInteger(end);\n\t      if (end < 0) {\n\t        end += length;\n\t      }\n\t      end = start > end ? 0 : toLength(end);\n\t      while (start < end) {\n\t        array[start++] = value;\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.filter` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     */\n\t    function baseFilter(collection, predicate) {\n\t      var result = [];\n\t      baseEach(collection, function(value, index, collection) {\n\t        if (predicate(value, index, collection)) {\n\t          result.push(value);\n\t        }\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.flatten` with support for restricting flattening.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to flatten.\n\t     * @param {number} depth The maximum recursion depth.\n\t     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n\t     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n\t     * @param {Array} [result=[]] The initial result value.\n\t     * @returns {Array} Returns the new flattened array.\n\t     */\n\t    function baseFlatten(array, depth, predicate, isStrict, result) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      predicate || (predicate = isFlattenable);\n\t      result || (result = []);\n\t\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (depth > 0 && predicate(value)) {\n\t          if (depth > 1) {\n\t            // Recursively flatten arrays (susceptible to call stack limits).\n\t            baseFlatten(value, depth - 1, predicate, isStrict, result);\n\t          } else {\n\t            arrayPush(result, value);\n\t          }\n\t        } else if (!isStrict) {\n\t          result[result.length] = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `baseForOwn` which iterates over `object`\n\t     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    var baseFor = createBaseFor();\n\t\n\t    /**\n\t     * This function is like `baseFor` except that it iterates over properties\n\t     * in the opposite order.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    var baseForRight = createBaseFor(true);\n\t\n\t    /**\n\t     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseForOwn(object, iteratee) {\n\t      return object && baseFor(object, iteratee, keys);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseForOwnRight(object, iteratee) {\n\t      return object && baseForRight(object, iteratee, keys);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.functions` which creates an array of\n\t     * `object` function property names filtered from `props`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Array} props The property names to filter.\n\t     * @returns {Array} Returns the function names.\n\t     */\n\t    function baseFunctions(object, props) {\n\t      return arrayFilter(props, function(key) {\n\t        return isFunction(object[key]);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.get` without support for default values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {*} Returns the resolved value.\n\t     */\n\t    function baseGet(object, path) {\n\t      path = castPath(path, object);\n\t\n\t      var index = 0,\n\t          length = path.length;\n\t\n\t      while (object != null && index < length) {\n\t        object = object[toKey(path[index++])];\n\t      }\n\t      return (index && index == length) ? object : undefined;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n\t     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n\t     * symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Function} keysFunc The function to get the keys of `object`.\n\t     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n\t      var result = keysFunc(object);\n\t      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `getTag` without fallbacks for buggy environments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the `toStringTag`.\n\t     */\n\t    function baseGetTag(value) {\n\t      if (value == null) {\n\t        return value === undefined ? undefinedTag : nullTag;\n\t      }\n\t      return (symToStringTag && symToStringTag in Object(value))\n\t        ? getRawTag(value)\n\t        : objectToString(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.gt` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t     *  else `false`.\n\t     */\n\t    function baseGt(value, other) {\n\t      return value > other;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.has` without support for deep paths.\n\t     *\n\t     * @private\n\t     * @param {Object} [object] The object to query.\n\t     * @param {Array|string} key The key to check.\n\t     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n\t     */\n\t    function baseHas(object, key) {\n\t      return object != null && hasOwnProperty.call(object, key);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.hasIn` without support for deep paths.\n\t     *\n\t     * @private\n\t     * @param {Object} [object] The object to query.\n\t     * @param {Array|string} key The key to check.\n\t     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n\t     */\n\t    function baseHasIn(object, key) {\n\t      return object != null && key in Object(object);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.inRange` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} number The number to check.\n\t     * @param {number} start The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t     */\n\t    function baseInRange(number, start, end) {\n\t      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.intersection`, without support\n\t     * for iteratee shorthands, that accepts an array of arrays to inspect.\n\t     *\n\t     * @private\n\t     * @param {Array} arrays The arrays to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of shared values.\n\t     */\n\t    function baseIntersection(arrays, iteratee, comparator) {\n\t      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n\t          length = arrays[0].length,\n\t          othLength = arrays.length,\n\t          othIndex = othLength,\n\t          caches = Array(othLength),\n\t          maxLength = Infinity,\n\t          result = [];\n\t\n\t      while (othIndex--) {\n\t        var array = arrays[othIndex];\n\t        if (othIndex && iteratee) {\n\t          array = arrayMap(array, baseUnary(iteratee));\n\t        }\n\t        maxLength = nativeMin(array.length, maxLength);\n\t        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n\t          ? new SetCache(othIndex && array)\n\t          : undefined;\n\t      }\n\t      array = arrays[0];\n\t\n\t      var index = -1,\n\t          seen = caches[0];\n\t\n\t      outer:\n\t      while (++index < length && result.length < maxLength) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (!(seen\n\t              ? cacheHas(seen, computed)\n\t              : includes(result, computed, comparator)\n\t            )) {\n\t          othIndex = othLength;\n\t          while (--othIndex) {\n\t            var cache = caches[othIndex];\n\t            if (!(cache\n\t                  ? cacheHas(cache, computed)\n\t                  : includes(arrays[othIndex], computed, comparator))\n\t                ) {\n\t              continue outer;\n\t            }\n\t          }\n\t          if (seen) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.invert` and `_.invertBy` which inverts\n\t     * `object` with values transformed by `iteratee` and set by `setter`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} setter The function to set `accumulator` values.\n\t     * @param {Function} iteratee The iteratee to transform values.\n\t     * @param {Object} accumulator The initial inverted object.\n\t     * @returns {Function} Returns `accumulator`.\n\t     */\n\t    function baseInverter(object, setter, iteratee, accumulator) {\n\t      baseForOwn(object, function(value, key, object) {\n\t        setter(accumulator, iteratee(value), key, object);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.invoke` without support for individual\n\t     * method arguments.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {Array} args The arguments to invoke the method with.\n\t     * @returns {*} Returns the result of the invoked method.\n\t     */\n\t    function baseInvoke(object, path, args) {\n\t      path = castPath(path, object);\n\t      object = parent(object, path);\n\t      var func = object == null ? object : object[toKey(last(path))];\n\t      return func == null ? undefined : apply(func, object, args);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isArguments`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n\t     */\n\t    function baseIsArguments(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == argsTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n\t     */\n\t    function baseIsArrayBuffer(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isDate` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n\t     */\n\t    function baseIsDate(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == dateTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isEqual` which supports partial comparisons\n\t     * and tracks traversed objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @param {boolean} bitmask The bitmask flags.\n\t     *  1 - Unordered comparison\n\t     *  2 - Partial comparison\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     */\n\t    function baseIsEqual(value, other, bitmask, customizer, stack) {\n\t      if (value === other) {\n\t        return true;\n\t      }\n\t      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n\t        return value !== value && other !== other;\n\t      }\n\t      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqual` for arrays and objects which performs\n\t     * deep comparisons and tracks traversed objects enabling objects with circular\n\t     * references to be compared.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n\t      var objIsArr = isArray(object),\n\t          othIsArr = isArray(other),\n\t          objTag = objIsArr ? arrayTag : getTag(object),\n\t          othTag = othIsArr ? arrayTag : getTag(other);\n\t\n\t      objTag = objTag == argsTag ? objectTag : objTag;\n\t      othTag = othTag == argsTag ? objectTag : othTag;\n\t\n\t      var objIsObj = objTag == objectTag,\n\t          othIsObj = othTag == objectTag,\n\t          isSameTag = objTag == othTag;\n\t\n\t      if (isSameTag && isBuffer(object)) {\n\t        if (!isBuffer(other)) {\n\t          return false;\n\t        }\n\t        objIsArr = true;\n\t        objIsObj = false;\n\t      }\n\t      if (isSameTag && !objIsObj) {\n\t        stack || (stack = new Stack);\n\t        return (objIsArr || isTypedArray(object))\n\t          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n\t          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n\t      }\n\t      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n\t        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n\t            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\t\n\t        if (objIsWrapped || othIsWrapped) {\n\t          var objUnwrapped = objIsWrapped ? object.value() : object,\n\t              othUnwrapped = othIsWrapped ? other.value() : other;\n\t\n\t          stack || (stack = new Stack);\n\t          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n\t        }\n\t      }\n\t      if (!isSameTag) {\n\t        return false;\n\t      }\n\t      stack || (stack = new Stack);\n\t      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isMap` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n\t     */\n\t    function baseIsMap(value) {\n\t      return isObjectLike(value) && getTag(value) == mapTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @param {Array} matchData The property names, values, and compare flags to match.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     */\n\t    function baseIsMatch(object, source, matchData, customizer) {\n\t      var index = matchData.length,\n\t          length = index,\n\t          noCustomizer = !customizer;\n\t\n\t      if (object == null) {\n\t        return !length;\n\t      }\n\t      object = Object(object);\n\t      while (index--) {\n\t        var data = matchData[index];\n\t        if ((noCustomizer && data[2])\n\t              ? data[1] !== object[data[0]]\n\t              : !(data[0] in object)\n\t            ) {\n\t          return false;\n\t        }\n\t      }\n\t      while (++index < length) {\n\t        data = matchData[index];\n\t        var key = data[0],\n\t            objValue = object[key],\n\t            srcValue = data[1];\n\t\n\t        if (noCustomizer && data[2]) {\n\t          if (objValue === undefined && !(key in object)) {\n\t            return false;\n\t          }\n\t        } else {\n\t          var stack = new Stack;\n\t          if (customizer) {\n\t            var result = customizer(objValue, srcValue, key, object, source, stack);\n\t          }\n\t          if (!(result === undefined\n\t                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n\t                : result\n\t              )) {\n\t            return false;\n\t          }\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isNative` without bad shim checks.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a native function,\n\t     *  else `false`.\n\t     */\n\t    function baseIsNative(value) {\n\t      if (!isObject(value) || isMasked(value)) {\n\t        return false;\n\t      }\n\t      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n\t      return pattern.test(toSource(value));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isRegExp` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n\t     */\n\t    function baseIsRegExp(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isSet` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n\t     */\n\t    function baseIsSet(value) {\n\t      return isObjectLike(value) && getTag(value) == setTag;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n\t     */\n\t    function baseIsTypedArray(value) {\n\t      return isObjectLike(value) &&\n\t        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.iteratee`.\n\t     *\n\t     * @private\n\t     * @param {*} [value=_.identity] The value to convert to an iteratee.\n\t     * @returns {Function} Returns the iteratee.\n\t     */\n\t    function baseIteratee(value) {\n\t      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n\t      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n\t      if (typeof value == 'function') {\n\t        return value;\n\t      }\n\t      if (value == null) {\n\t        return identity;\n\t      }\n\t      if (typeof value == 'object') {\n\t        return isArray(value)\n\t          ? baseMatchesProperty(value[0], value[1])\n\t          : baseMatches(value);\n\t      }\n\t      return property(value);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function baseKeys(object) {\n\t      if (!isPrototype(object)) {\n\t        return nativeKeys(object);\n\t      }\n\t      var result = [];\n\t      for (var key in Object(object)) {\n\t        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function baseKeysIn(object) {\n\t      if (!isObject(object)) {\n\t        return nativeKeysIn(object);\n\t      }\n\t      var isProto = isPrototype(object),\n\t          result = [];\n\t\n\t      for (var key in object) {\n\t        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.lt` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t     *  else `false`.\n\t     */\n\t    function baseLt(value, other) {\n\t      return value < other;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.map` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} iteratee The function invoked per iteration.\n\t     * @returns {Array} Returns the new mapped array.\n\t     */\n\t    function baseMap(collection, iteratee) {\n\t      var index = -1,\n\t          result = isArrayLike(collection) ? Array(collection.length) : [];\n\t\n\t      baseEach(collection, function(value, key, collection) {\n\t        result[++index] = iteratee(value, key, collection);\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.matches` which doesn't clone `source`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseMatches(source) {\n\t      var matchData = getMatchData(source);\n\t      if (matchData.length == 1 && matchData[0][2]) {\n\t        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n\t      }\n\t      return function(object) {\n\t        return object === source || baseIsMatch(object, source, matchData);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n\t     *\n\t     * @private\n\t     * @param {string} path The path of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function baseMatchesProperty(path, srcValue) {\n\t      if (isKey(path) && isStrictComparable(srcValue)) {\n\t        return matchesStrictComparable(toKey(path), srcValue);\n\t      }\n\t      return function(object) {\n\t        var objValue = get(object, path);\n\t        return (objValue === undefined && objValue === srcValue)\n\t          ? hasIn(object, path)\n\t          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.merge` without support for multiple sources.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @param {number} srcIndex The index of `source`.\n\t     * @param {Function} [customizer] The function to customize merged values.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     */\n\t    function baseMerge(object, source, srcIndex, customizer, stack) {\n\t      if (object === source) {\n\t        return;\n\t      }\n\t      baseFor(source, function(srcValue, key) {\n\t        if (isObject(srcValue)) {\n\t          stack || (stack = new Stack);\n\t          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n\t        }\n\t        else {\n\t          var newValue = customizer\n\t            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n\t            : undefined;\n\t\n\t          if (newValue === undefined) {\n\t            newValue = srcValue;\n\t          }\n\t          assignMergeValue(object, key, newValue);\n\t        }\n\t      }, keysIn);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseMerge` for arrays and objects which performs\n\t     * deep merges and tracks traversed objects enabling objects with circular\n\t     * references to be merged.\n\t     *\n\t     * @private\n\t     * @param {Object} object The destination object.\n\t     * @param {Object} source The source object.\n\t     * @param {string} key The key of the value to merge.\n\t     * @param {number} srcIndex The index of `source`.\n\t     * @param {Function} mergeFunc The function to merge values.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     */\n\t    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n\t      var objValue = object[key],\n\t          srcValue = source[key],\n\t          stacked = stack.get(srcValue);\n\t\n\t      if (stacked) {\n\t        assignMergeValue(object, key, stacked);\n\t        return;\n\t      }\n\t      var newValue = customizer\n\t        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n\t        : undefined;\n\t\n\t      var isCommon = newValue === undefined;\n\t\n\t      if (isCommon) {\n\t        var isArr = isArray(srcValue),\n\t            isBuff = !isArr && isBuffer(srcValue),\n\t            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\t\n\t        newValue = srcValue;\n\t        if (isArr || isBuff || isTyped) {\n\t          if (isArray(objValue)) {\n\t            newValue = objValue;\n\t          }\n\t          else if (isArrayLikeObject(objValue)) {\n\t            newValue = copyArray(objValue);\n\t          }\n\t          else if (isBuff) {\n\t            isCommon = false;\n\t            newValue = cloneBuffer(srcValue, true);\n\t          }\n\t          else if (isTyped) {\n\t            isCommon = false;\n\t            newValue = cloneTypedArray(srcValue, true);\n\t          }\n\t          else {\n\t            newValue = [];\n\t          }\n\t        }\n\t        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n\t          newValue = objValue;\n\t          if (isArguments(objValue)) {\n\t            newValue = toPlainObject(objValue);\n\t          }\n\t          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n\t            newValue = initCloneObject(srcValue);\n\t          }\n\t        }\n\t        else {\n\t          isCommon = false;\n\t        }\n\t      }\n\t      if (isCommon) {\n\t        // Recursively merge objects and arrays (susceptible to call stack limits).\n\t        stack.set(srcValue, newValue);\n\t        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n\t        stack['delete'](srcValue);\n\t      }\n\t      assignMergeValue(object, key, newValue);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.nth` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to query.\n\t     * @param {number} n The index of the element to return.\n\t     * @returns {*} Returns the nth element of `array`.\n\t     */\n\t    function baseNth(array, n) {\n\t      var length = array.length;\n\t      if (!length) {\n\t        return;\n\t      }\n\t      n += n < 0 ? length : 0;\n\t      return isIndex(n, length) ? array[n] : undefined;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.orderBy` without param guards.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n\t     * @param {string[]} orders The sort orders of `iteratees`.\n\t     * @returns {Array} Returns the new sorted array.\n\t     */\n\t    function baseOrderBy(collection, iteratees, orders) {\n\t      var index = -1;\n\t      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\t\n\t      var result = baseMap(collection, function(value, key, collection) {\n\t        var criteria = arrayMap(iteratees, function(iteratee) {\n\t          return iteratee(value);\n\t        });\n\t        return { 'criteria': criteria, 'index': ++index, 'value': value };\n\t      });\n\t\n\t      return baseSortBy(result, function(object, other) {\n\t        return compareMultiple(object, other, orders);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pick` without support for individual\n\t     * property identifiers.\n\t     *\n\t     * @private\n\t     * @param {Object} object The source object.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function basePick(object, paths) {\n\t      return basePickBy(object, paths, function(value, path) {\n\t        return hasIn(object, path);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Object} object The source object.\n\t     * @param {string[]} paths The property paths to pick.\n\t     * @param {Function} predicate The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function basePickBy(object, paths, predicate) {\n\t      var index = -1,\n\t          length = paths.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var path = paths[index],\n\t            value = baseGet(object, path);\n\t\n\t        if (predicate(value, path)) {\n\t          baseSet(result, castPath(path, object), value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseProperty` which supports deep paths.\n\t     *\n\t     * @private\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {Function} Returns the new accessor function.\n\t     */\n\t    function basePropertyDeep(path) {\n\t      return function(object) {\n\t        return baseGet(object, path);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pullAllBy` without support for iteratee\n\t     * shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function basePullAll(array, values, iteratee, comparator) {\n\t      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n\t          index = -1,\n\t          length = values.length,\n\t          seen = array;\n\t\n\t      if (array === values) {\n\t        values = copyArray(values);\n\t      }\n\t      if (iteratee) {\n\t        seen = arrayMap(array, baseUnary(iteratee));\n\t      }\n\t      while (++index < length) {\n\t        var fromIndex = 0,\n\t            value = values[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n\t          if (seen !== array) {\n\t            splice.call(seen, fromIndex, 1);\n\t          }\n\t          splice.call(array, fromIndex, 1);\n\t        }\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.pullAt` without support for individual\n\t     * indexes or capturing the removed elements.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to modify.\n\t     * @param {number[]} indexes The indexes of elements to remove.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function basePullAt(array, indexes) {\n\t      var length = array ? indexes.length : 0,\n\t          lastIndex = length - 1;\n\t\n\t      while (length--) {\n\t        var index = indexes[length];\n\t        if (length == lastIndex || index !== previous) {\n\t          var previous = index;\n\t          if (isIndex(index)) {\n\t            splice.call(array, index, 1);\n\t          } else {\n\t            baseUnset(array, index);\n\t          }\n\t        }\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.random` without support for returning\n\t     * floating-point numbers.\n\t     *\n\t     * @private\n\t     * @param {number} lower The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the random number.\n\t     */\n\t    function baseRandom(lower, upper) {\n\t      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n\t     * coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {number} start The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} step The value to increment or decrement by.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Array} Returns the range of numbers.\n\t     */\n\t    function baseRange(start, end, step, fromRight) {\n\t      var index = -1,\n\t          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n\t          result = Array(length);\n\t\n\t      while (length--) {\n\t        result[fromRight ? length : ++index] = start;\n\t        start += step;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.repeat` which doesn't coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {string} string The string to repeat.\n\t     * @param {number} n The number of times to repeat the string.\n\t     * @returns {string} Returns the repeated string.\n\t     */\n\t    function baseRepeat(string, n) {\n\t      var result = '';\n\t      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n\t        return result;\n\t      }\n\t      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n\t      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n\t      do {\n\t        if (n % 2) {\n\t          result += string;\n\t        }\n\t        n = nativeFloor(n / 2);\n\t        if (n) {\n\t          string += string;\n\t        }\n\t      } while (n);\n\t\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function baseRest(func, start) {\n\t      return setToString(overRest(func, start, identity), func + '');\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sample`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @returns {*} Returns the random element.\n\t     */\n\t    function baseSample(collection) {\n\t      return arraySample(values(collection));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sampleSize` without param guards.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @param {number} n The number of elements to sample.\n\t     * @returns {Array} Returns the random elements.\n\t     */\n\t    function baseSampleSize(collection, n) {\n\t      var array = values(collection);\n\t      return shuffleSelf(array, baseClamp(n, 0, array.length));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.set`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @param {Function} [customizer] The function to customize path creation.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseSet(object, path, value, customizer) {\n\t      if (!isObject(object)) {\n\t        return object;\n\t      }\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length,\n\t          lastIndex = length - 1,\n\t          nested = object;\n\t\n\t      while (nested != null && ++index < length) {\n\t        var key = toKey(path[index]),\n\t            newValue = value;\n\t\n\t        if (index != lastIndex) {\n\t          var objValue = nested[key];\n\t          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n\t          if (newValue === undefined) {\n\t            newValue = isObject(objValue)\n\t              ? objValue\n\t              : (isIndex(path[index + 1]) ? [] : {});\n\t          }\n\t        }\n\t        assignValue(nested, key, newValue);\n\t        nested = nested[key];\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `setData` without support for hot loop shorting.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to associate metadata with.\n\t     * @param {*} data The metadata.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var baseSetData = !metaMap ? identity : function(func, data) {\n\t      metaMap.set(func, data);\n\t      return func;\n\t    };\n\t\n\t    /**\n\t     * The base implementation of `setToString` without support for hot loop shorting.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to modify.\n\t     * @param {Function} string The `toString` result.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var baseSetToString = !defineProperty ? identity : function(func, string) {\n\t      return defineProperty(func, 'toString', {\n\t        'configurable': true,\n\t        'enumerable': false,\n\t        'value': constant(string),\n\t        'writable': true\n\t      });\n\t    };\n\t\n\t    /**\n\t     * The base implementation of `_.shuffle`.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     */\n\t    function baseShuffle(collection) {\n\t      return shuffleSelf(values(collection));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.slice` without an iteratee call guard.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to slice.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function baseSlice(array, start, end) {\n\t      var index = -1,\n\t          length = array.length;\n\t\n\t      if (start < 0) {\n\t        start = -start > length ? 0 : (length + start);\n\t      }\n\t      end = end > length ? length : end;\n\t      if (end < 0) {\n\t        end += length;\n\t      }\n\t      length = start > end ? 0 : ((end - start) >>> 0);\n\t      start >>>= 0;\n\t\n\t      var result = Array(length);\n\t      while (++index < length) {\n\t        result[index] = array[index + start];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.some` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t     *  else `false`.\n\t     */\n\t    function baseSome(collection, predicate) {\n\t      var result;\n\t\n\t      baseEach(collection, function(value, index, collection) {\n\t        result = predicate(value, index, collection);\n\t        return !result;\n\t      });\n\t      return !!result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n\t     * performs a binary search of `array` to determine the index at which `value`\n\t     * should be inserted into `array` in order to maintain its sort order.\n\t     *\n\t     * @private\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     */\n\t    function baseSortedIndex(array, value, retHighest) {\n\t      var low = 0,\n\t          high = array == null ? low : array.length;\n\t\n\t      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n\t        while (low < high) {\n\t          var mid = (low + high) >>> 1,\n\t              computed = array[mid];\n\t\n\t          if (computed !== null && !isSymbol(computed) &&\n\t              (retHighest ? (computed <= value) : (computed < value))) {\n\t            low = mid + 1;\n\t          } else {\n\t            high = mid;\n\t          }\n\t        }\n\t        return high;\n\t      }\n\t      return baseSortedIndexBy(array, value, identity, retHighest);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n\t     * which invokes `iteratee` for `value` and each element of `array` to compute\n\t     * their sort ranking. The iteratee is invoked with one argument; (value).\n\t     *\n\t     * @private\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} iteratee The iteratee invoked per element.\n\t     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     */\n\t    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n\t      value = iteratee(value);\n\t\n\t      var low = 0,\n\t          high = array == null ? 0 : array.length,\n\t          valIsNaN = value !== value,\n\t          valIsNull = value === null,\n\t          valIsSymbol = isSymbol(value),\n\t          valIsUndefined = value === undefined;\n\t\n\t      while (low < high) {\n\t        var mid = nativeFloor((low + high) / 2),\n\t            computed = iteratee(array[mid]),\n\t            othIsDefined = computed !== undefined,\n\t            othIsNull = computed === null,\n\t            othIsReflexive = computed === computed,\n\t            othIsSymbol = isSymbol(computed);\n\t\n\t        if (valIsNaN) {\n\t          var setLow = retHighest || othIsReflexive;\n\t        } else if (valIsUndefined) {\n\t          setLow = othIsReflexive && (retHighest || othIsDefined);\n\t        } else if (valIsNull) {\n\t          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n\t        } else if (valIsSymbol) {\n\t          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n\t        } else if (othIsNull || othIsSymbol) {\n\t          setLow = false;\n\t        } else {\n\t          setLow = retHighest ? (computed <= value) : (computed < value);\n\t        }\n\t        if (setLow) {\n\t          low = mid + 1;\n\t        } else {\n\t          high = mid;\n\t        }\n\t      }\n\t      return nativeMin(high, MAX_ARRAY_INDEX);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n\t     * support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     */\n\t    function baseSortedUniq(array, iteratee) {\n\t      var index = -1,\n\t          length = array.length,\n\t          resIndex = 0,\n\t          result = [];\n\t\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        if (!index || !eq(computed, seen)) {\n\t          var seen = computed;\n\t          result[resIndex++] = value === 0 ? 0 : value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.toNumber` which doesn't ensure correct\n\t     * conversions of binary, hexadecimal, or octal string values.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to process.\n\t     * @returns {number} Returns the number.\n\t     */\n\t    function baseToNumber(value) {\n\t      if (typeof value == 'number') {\n\t        return value;\n\t      }\n\t      if (isSymbol(value)) {\n\t        return NAN;\n\t      }\n\t      return +value;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.toString` which doesn't convert nullish\n\t     * values to empty strings.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to process.\n\t     * @returns {string} Returns the string.\n\t     */\n\t    function baseToString(value) {\n\t      // Exit early for strings to avoid a performance hit in some environments.\n\t      if (typeof value == 'string') {\n\t        return value;\n\t      }\n\t      if (isArray(value)) {\n\t        // Recursively convert values (susceptible to call stack limits).\n\t        return arrayMap(value, baseToString) + '';\n\t      }\n\t      if (isSymbol(value)) {\n\t        return symbolToString ? symbolToString.call(value) : '';\n\t      }\n\t      var result = (value + '');\n\t      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     */\n\t    function baseUniq(array, iteratee, comparator) {\n\t      var index = -1,\n\t          includes = arrayIncludes,\n\t          length = array.length,\n\t          isCommon = true,\n\t          result = [],\n\t          seen = result;\n\t\n\t      if (comparator) {\n\t        isCommon = false;\n\t        includes = arrayIncludesWith;\n\t      }\n\t      else if (length >= LARGE_ARRAY_SIZE) {\n\t        var set = iteratee ? null : createSet(array);\n\t        if (set) {\n\t          return setToArray(set);\n\t        }\n\t        isCommon = false;\n\t        includes = cacheHas;\n\t        seen = new SetCache;\n\t      }\n\t      else {\n\t        seen = iteratee ? [] : result;\n\t      }\n\t      outer:\n\t      while (++index < length) {\n\t        var value = array[index],\n\t            computed = iteratee ? iteratee(value) : value;\n\t\n\t        value = (comparator || value !== 0) ? value : 0;\n\t        if (isCommon && computed === computed) {\n\t          var seenIndex = seen.length;\n\t          while (seenIndex--) {\n\t            if (seen[seenIndex] === computed) {\n\t              continue outer;\n\t            }\n\t          }\n\t          if (iteratee) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t        else if (!includes(seen, computed, comparator)) {\n\t          if (seen !== result) {\n\t            seen.push(computed);\n\t          }\n\t          result.push(value);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.unset`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The property path to unset.\n\t     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t     */\n\t    function baseUnset(object, path) {\n\t      path = castPath(path, object);\n\t      object = parent(object, path);\n\t      return object == null || delete object[toKey(last(path))];\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `_.update`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to update.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @param {Function} [customizer] The function to customize path creation.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function baseUpdate(object, path, updater, customizer) {\n\t      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n\t     * without support for iteratee shorthands.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} predicate The function invoked per iteration.\n\t     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function baseWhile(array, predicate, isDrop, fromRight) {\n\t      var length = array.length,\n\t          index = fromRight ? length : -1;\n\t\n\t      while ((fromRight ? index-- : ++index < length) &&\n\t        predicate(array[index], index, array)) {}\n\t\n\t      return isDrop\n\t        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n\t        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n\t    }\n\t\n\t    /**\n\t     * The base implementation of `wrapperValue` which returns the result of\n\t     * performing a sequence of actions on the unwrapped `value`, where each\n\t     * successive action is supplied the return value of the previous.\n\t     *\n\t     * @private\n\t     * @param {*} value The unwrapped value.\n\t     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n\t     * @returns {*} Returns the resolved value.\n\t     */\n\t    function baseWrapperValue(value, actions) {\n\t      var result = value;\n\t      if (result instanceof LazyWrapper) {\n\t        result = result.value();\n\t      }\n\t      return arrayReduce(actions, function(result, action) {\n\t        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n\t      }, result);\n\t    }\n\t\n\t    /**\n\t     * The base implementation of methods like `_.xor`, without support for\n\t     * iteratee shorthands, that accepts an array of arrays to inspect.\n\t     *\n\t     * @private\n\t     * @param {Array} arrays The arrays to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of values.\n\t     */\n\t    function baseXor(arrays, iteratee, comparator) {\n\t      var length = arrays.length;\n\t      if (length < 2) {\n\t        return length ? baseUniq(arrays[0]) : [];\n\t      }\n\t      var index = -1,\n\t          result = Array(length);\n\t\n\t      while (++index < length) {\n\t        var array = arrays[index],\n\t            othIndex = -1;\n\t\n\t        while (++othIndex < length) {\n\t          if (othIndex != index) {\n\t            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n\t          }\n\t        }\n\t      }\n\t      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n\t    }\n\t\n\t    /**\n\t     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n\t     *\n\t     * @private\n\t     * @param {Array} props The property identifiers.\n\t     * @param {Array} values The property values.\n\t     * @param {Function} assignFunc The function to assign values.\n\t     * @returns {Object} Returns the new object.\n\t     */\n\t    function baseZipObject(props, values, assignFunc) {\n\t      var index = -1,\n\t          length = props.length,\n\t          valsLength = values.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var value = index < valsLength ? values[index] : undefined;\n\t        assignFunc(result, props[index], value);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to an empty array if it's not an array like object.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Array|Object} Returns the cast array-like object.\n\t     */\n\t    function castArrayLikeObject(value) {\n\t      return isArrayLikeObject(value) ? value : [];\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to `identity` if it's not a function.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Function} Returns cast function.\n\t     */\n\t    function castFunction(value) {\n\t      return typeof value == 'function' ? value : identity;\n\t    }\n\t\n\t    /**\n\t     * Casts `value` to a path array if it's not one.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @param {Object} [object] The object to query keys on.\n\t     * @returns {Array} Returns the cast property path array.\n\t     */\n\t    function castPath(value, object) {\n\t      if (isArray(value)) {\n\t        return value;\n\t      }\n\t      return isKey(value, object) ? [value] : stringToPath(toString(value));\n\t    }\n\t\n\t    /**\n\t     * A `baseRest` alias which can be replaced with `identity` by module\n\t     * replacement plugins.\n\t     *\n\t     * @private\n\t     * @type {Function}\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    var castRest = baseRest;\n\t\n\t    /**\n\t     * Casts `array` to a slice if it's needed.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to inspect.\n\t     * @param {number} start The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the cast slice.\n\t     */\n\t    function castSlice(array, start, end) {\n\t      var length = array.length;\n\t      end = end === undefined ? length : end;\n\t      return (!start && end >= length) ? array : baseSlice(array, start, end);\n\t    }\n\t\n\t    /**\n\t     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n\t     *\n\t     * @private\n\t     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n\t     */\n\t    var clearTimeout = ctxClearTimeout || function(id) {\n\t      return root.clearTimeout(id);\n\t    };\n\t\n\t    /**\n\t     * Creates a clone of  `buffer`.\n\t     *\n\t     * @private\n\t     * @param {Buffer} buffer The buffer to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Buffer} Returns the cloned buffer.\n\t     */\n\t    function cloneBuffer(buffer, isDeep) {\n\t      if (isDeep) {\n\t        return buffer.slice();\n\t      }\n\t      var length = buffer.length,\n\t          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\t\n\t      buffer.copy(result);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `arrayBuffer`.\n\t     *\n\t     * @private\n\t     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n\t     * @returns {ArrayBuffer} Returns the cloned array buffer.\n\t     */\n\t    function cloneArrayBuffer(arrayBuffer) {\n\t      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n\t      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `dataView`.\n\t     *\n\t     * @private\n\t     * @param {Object} dataView The data view to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned data view.\n\t     */\n\t    function cloneDataView(dataView, isDeep) {\n\t      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n\t      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `map`.\n\t     *\n\t     * @private\n\t     * @param {Object} map The map to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned map.\n\t     */\n\t    function cloneMap(map, isDeep, cloneFunc) {\n\t      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n\t      return arrayReduce(array, addMapEntry, new map.constructor);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `regexp`.\n\t     *\n\t     * @private\n\t     * @param {Object} regexp The regexp to clone.\n\t     * @returns {Object} Returns the cloned regexp.\n\t     */\n\t    function cloneRegExp(regexp) {\n\t      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n\t      result.lastIndex = regexp.lastIndex;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `set`.\n\t     *\n\t     * @private\n\t     * @param {Object} set The set to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned set.\n\t     */\n\t    function cloneSet(set, isDeep, cloneFunc) {\n\t      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n\t      return arrayReduce(array, addSetEntry, new set.constructor);\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the `symbol` object.\n\t     *\n\t     * @private\n\t     * @param {Object} symbol The symbol object to clone.\n\t     * @returns {Object} Returns the cloned symbol object.\n\t     */\n\t    function cloneSymbol(symbol) {\n\t      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `typedArray`.\n\t     *\n\t     * @private\n\t     * @param {Object} typedArray The typed array to clone.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the cloned typed array.\n\t     */\n\t    function cloneTypedArray(typedArray, isDeep) {\n\t      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n\t      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n\t    }\n\t\n\t    /**\n\t     * Compares values to sort them in ascending order.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {number} Returns the sort order indicator for `value`.\n\t     */\n\t    function compareAscending(value, other) {\n\t      if (value !== other) {\n\t        var valIsDefined = value !== undefined,\n\t            valIsNull = value === null,\n\t            valIsReflexive = value === value,\n\t            valIsSymbol = isSymbol(value);\n\t\n\t        var othIsDefined = other !== undefined,\n\t            othIsNull = other === null,\n\t            othIsReflexive = other === other,\n\t            othIsSymbol = isSymbol(other);\n\t\n\t        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n\t            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n\t            (valIsNull && othIsDefined && othIsReflexive) ||\n\t            (!valIsDefined && othIsReflexive) ||\n\t            !valIsReflexive) {\n\t          return 1;\n\t        }\n\t        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n\t            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n\t            (othIsNull && valIsDefined && valIsReflexive) ||\n\t            (!othIsDefined && valIsReflexive) ||\n\t            !othIsReflexive) {\n\t          return -1;\n\t        }\n\t      }\n\t      return 0;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.orderBy` to compare multiple properties of a value to another\n\t     * and stable sort them.\n\t     *\n\t     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n\t     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n\t     * of corresponding values.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {boolean[]|string[]} orders The order to sort by for each property.\n\t     * @returns {number} Returns the sort order indicator for `object`.\n\t     */\n\t    function compareMultiple(object, other, orders) {\n\t      var index = -1,\n\t          objCriteria = object.criteria,\n\t          othCriteria = other.criteria,\n\t          length = objCriteria.length,\n\t          ordersLength = orders.length;\n\t\n\t      while (++index < length) {\n\t        var result = compareAscending(objCriteria[index], othCriteria[index]);\n\t        if (result) {\n\t          if (index >= ordersLength) {\n\t            return result;\n\t          }\n\t          var order = orders[index];\n\t          return result * (order == 'desc' ? -1 : 1);\n\t        }\n\t      }\n\t      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n\t      // that causes it, under certain circumstances, to provide the same value for\n\t      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n\t      // for more details.\n\t      //\n\t      // This also ensures a stable sort in V8 and other engines.\n\t      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n\t      return object.index - other.index;\n\t    }\n\t\n\t    /**\n\t     * Creates an array that is the composition of partially applied arguments,\n\t     * placeholders, and provided arguments into a single array of arguments.\n\t     *\n\t     * @private\n\t     * @param {Array} args The provided arguments.\n\t     * @param {Array} partials The arguments to prepend to those provided.\n\t     * @param {Array} holders The `partials` placeholder indexes.\n\t     * @params {boolean} [isCurried] Specify composing for a curried function.\n\t     * @returns {Array} Returns the new array of composed arguments.\n\t     */\n\t    function composeArgs(args, partials, holders, isCurried) {\n\t      var argsIndex = -1,\n\t          argsLength = args.length,\n\t          holdersLength = holders.length,\n\t          leftIndex = -1,\n\t          leftLength = partials.length,\n\t          rangeLength = nativeMax(argsLength - holdersLength, 0),\n\t          result = Array(leftLength + rangeLength),\n\t          isUncurried = !isCurried;\n\t\n\t      while (++leftIndex < leftLength) {\n\t        result[leftIndex] = partials[leftIndex];\n\t      }\n\t      while (++argsIndex < holdersLength) {\n\t        if (isUncurried || argsIndex < argsLength) {\n\t          result[holders[argsIndex]] = args[argsIndex];\n\t        }\n\t      }\n\t      while (rangeLength--) {\n\t        result[leftIndex++] = args[argsIndex++];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This function is like `composeArgs` except that the arguments composition\n\t     * is tailored for `_.partialRight`.\n\t     *\n\t     * @private\n\t     * @param {Array} args The provided arguments.\n\t     * @param {Array} partials The arguments to append to those provided.\n\t     * @param {Array} holders The `partials` placeholder indexes.\n\t     * @params {boolean} [isCurried] Specify composing for a curried function.\n\t     * @returns {Array} Returns the new array of composed arguments.\n\t     */\n\t    function composeArgsRight(args, partials, holders, isCurried) {\n\t      var argsIndex = -1,\n\t          argsLength = args.length,\n\t          holdersIndex = -1,\n\t          holdersLength = holders.length,\n\t          rightIndex = -1,\n\t          rightLength = partials.length,\n\t          rangeLength = nativeMax(argsLength - holdersLength, 0),\n\t          result = Array(rangeLength + rightLength),\n\t          isUncurried = !isCurried;\n\t\n\t      while (++argsIndex < rangeLength) {\n\t        result[argsIndex] = args[argsIndex];\n\t      }\n\t      var offset = argsIndex;\n\t      while (++rightIndex < rightLength) {\n\t        result[offset + rightIndex] = partials[rightIndex];\n\t      }\n\t      while (++holdersIndex < holdersLength) {\n\t        if (isUncurried || argsIndex < argsLength) {\n\t          result[offset + holders[holdersIndex]] = args[argsIndex++];\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Copies the values of `source` to `array`.\n\t     *\n\t     * @private\n\t     * @param {Array} source The array to copy values from.\n\t     * @param {Array} [array=[]] The array to copy values to.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function copyArray(source, array) {\n\t      var index = -1,\n\t          length = source.length;\n\t\n\t      array || (array = Array(length));\n\t      while (++index < length) {\n\t        array[index] = source[index];\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Copies properties of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy properties from.\n\t     * @param {Array} props The property identifiers to copy.\n\t     * @param {Object} [object={}] The object to copy properties to.\n\t     * @param {Function} [customizer] The function to customize copied values.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copyObject(source, props, object, customizer) {\n\t      var isNew = !object;\n\t      object || (object = {});\n\t\n\t      var index = -1,\n\t          length = props.length;\n\t\n\t      while (++index < length) {\n\t        var key = props[index];\n\t\n\t        var newValue = customizer\n\t          ? customizer(object[key], source[key], key, object, source)\n\t          : undefined;\n\t\n\t        if (newValue === undefined) {\n\t          newValue = source[key];\n\t        }\n\t        if (isNew) {\n\t          baseAssignValue(object, key, newValue);\n\t        } else {\n\t          assignValue(object, key, newValue);\n\t        }\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Copies own symbols of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy symbols from.\n\t     * @param {Object} [object={}] The object to copy symbols to.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copySymbols(source, object) {\n\t      return copyObject(source, getSymbols(source), object);\n\t    }\n\t\n\t    /**\n\t     * Copies own and inherited symbols of `source` to `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} source The object to copy symbols from.\n\t     * @param {Object} [object={}] The object to copy symbols to.\n\t     * @returns {Object} Returns `object`.\n\t     */\n\t    function copySymbolsIn(source, object) {\n\t      return copyObject(source, getSymbolsIn(source), object);\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.groupBy`.\n\t     *\n\t     * @private\n\t     * @param {Function} setter The function to set accumulator values.\n\t     * @param {Function} [initializer] The accumulator object initializer.\n\t     * @returns {Function} Returns the new aggregator function.\n\t     */\n\t    function createAggregator(setter, initializer) {\n\t      return function(collection, iteratee) {\n\t        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n\t            accumulator = initializer ? initializer() : {};\n\t\n\t        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.assign`.\n\t     *\n\t     * @private\n\t     * @param {Function} assigner The function to assign values.\n\t     * @returns {Function} Returns the new assigner function.\n\t     */\n\t    function createAssigner(assigner) {\n\t      return baseRest(function(object, sources) {\n\t        var index = -1,\n\t            length = sources.length,\n\t            customizer = length > 1 ? sources[length - 1] : undefined,\n\t            guard = length > 2 ? sources[2] : undefined;\n\t\n\t        customizer = (assigner.length > 3 && typeof customizer == 'function')\n\t          ? (length--, customizer)\n\t          : undefined;\n\t\n\t        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n\t          customizer = length < 3 ? undefined : customizer;\n\t          length = 1;\n\t        }\n\t        object = Object(object);\n\t        while (++index < length) {\n\t          var source = sources[index];\n\t          if (source) {\n\t            assigner(object, source, index, customizer);\n\t          }\n\t        }\n\t        return object;\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a `baseEach` or `baseEachRight` function.\n\t     *\n\t     * @private\n\t     * @param {Function} eachFunc The function to iterate over a collection.\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new base function.\n\t     */\n\t    function createBaseEach(eachFunc, fromRight) {\n\t      return function(collection, iteratee) {\n\t        if (collection == null) {\n\t          return collection;\n\t        }\n\t        if (!isArrayLike(collection)) {\n\t          return eachFunc(collection, iteratee);\n\t        }\n\t        var length = collection.length,\n\t            index = fromRight ? length : -1,\n\t            iterable = Object(collection);\n\t\n\t        while ((fromRight ? index-- : ++index < length)) {\n\t          if (iteratee(iterable[index], index, iterable) === false) {\n\t            break;\n\t          }\n\t        }\n\t        return collection;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new base function.\n\t     */\n\t    function createBaseFor(fromRight) {\n\t      return function(object, iteratee, keysFunc) {\n\t        var index = -1,\n\t            iterable = Object(object),\n\t            props = keysFunc(object),\n\t            length = props.length;\n\t\n\t        while (length--) {\n\t          var key = props[fromRight ? length : ++index];\n\t          if (iteratee(iterable[key], key, iterable) === false) {\n\t            break;\n\t          }\n\t        }\n\t        return object;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with the optional `this`\n\t     * binding of `thisArg`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createBind(func, bitmask, thisArg) {\n\t      var isBind = bitmask & WRAP_BIND_FLAG,\n\t          Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t        return fn.apply(isBind ? thisArg : this, arguments);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.lowerFirst`.\n\t     *\n\t     * @private\n\t     * @param {string} methodName The name of the `String` case method to use.\n\t     * @returns {Function} Returns the new case function.\n\t     */\n\t    function createCaseFirst(methodName) {\n\t      return function(string) {\n\t        string = toString(string);\n\t\n\t        var strSymbols = hasUnicode(string)\n\t          ? stringToArray(string)\n\t          : undefined;\n\t\n\t        var chr = strSymbols\n\t          ? strSymbols[0]\n\t          : string.charAt(0);\n\t\n\t        var trailing = strSymbols\n\t          ? castSlice(strSymbols, 1).join('')\n\t          : string.slice(1);\n\t\n\t        return chr[methodName]() + trailing;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.camelCase`.\n\t     *\n\t     * @private\n\t     * @param {Function} callback The function to combine each word.\n\t     * @returns {Function} Returns the new compounder function.\n\t     */\n\t    function createCompounder(callback) {\n\t      return function(string) {\n\t        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that produces an instance of `Ctor` regardless of\n\t     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n\t     *\n\t     * @private\n\t     * @param {Function} Ctor The constructor to wrap.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createCtor(Ctor) {\n\t      return function() {\n\t        // Use a `switch` statement to work with class constructors. See\n\t        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n\t        // for more details.\n\t        var args = arguments;\n\t        switch (args.length) {\n\t          case 0: return new Ctor;\n\t          case 1: return new Ctor(args[0]);\n\t          case 2: return new Ctor(args[0], args[1]);\n\t          case 3: return new Ctor(args[0], args[1], args[2]);\n\t          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n\t          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n\t          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n\t          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n\t        }\n\t        var thisBinding = baseCreate(Ctor.prototype),\n\t            result = Ctor.apply(thisBinding, args);\n\t\n\t        // Mimic the constructor's `return` behavior.\n\t        // See https://es5.github.io/#x13.2.2 for more details.\n\t        return isObject(result) ? result : thisBinding;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to enable currying.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {number} arity The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createCurry(func, bitmask, arity) {\n\t      var Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var length = arguments.length,\n\t            args = Array(length),\n\t            index = length,\n\t            placeholder = getHolder(wrapper);\n\t\n\t        while (index--) {\n\t          args[index] = arguments[index];\n\t        }\n\t        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n\t          ? []\n\t          : replaceHolders(args, placeholder);\n\t\n\t        length -= holders.length;\n\t        if (length < arity) {\n\t          return createRecurry(\n\t            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n\t            args, holders, undefined, undefined, arity - length);\n\t        }\n\t        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t        return apply(fn, this, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.find` or `_.findLast` function.\n\t     *\n\t     * @private\n\t     * @param {Function} findIndexFunc The function to find the collection index.\n\t     * @returns {Function} Returns the new find function.\n\t     */\n\t    function createFind(findIndexFunc) {\n\t      return function(collection, predicate, fromIndex) {\n\t        var iterable = Object(collection);\n\t        if (!isArrayLike(collection)) {\n\t          var iteratee = getIteratee(predicate, 3);\n\t          collection = keys(collection);\n\t          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n\t        }\n\t        var index = findIndexFunc(collection, predicate, fromIndex);\n\t        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.flow` or `_.flowRight` function.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new flow function.\n\t     */\n\t    function createFlow(fromRight) {\n\t      return flatRest(function(funcs) {\n\t        var length = funcs.length,\n\t            index = length,\n\t            prereq = LodashWrapper.prototype.thru;\n\t\n\t        if (fromRight) {\n\t          funcs.reverse();\n\t        }\n\t        while (index--) {\n\t          var func = funcs[index];\n\t          if (typeof func != 'function') {\n\t            throw new TypeError(FUNC_ERROR_TEXT);\n\t          }\n\t          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n\t            var wrapper = new LodashWrapper([], true);\n\t          }\n\t        }\n\t        index = wrapper ? index : length;\n\t        while (++index < length) {\n\t          func = funcs[index];\n\t\n\t          var funcName = getFuncName(func),\n\t              data = funcName == 'wrapper' ? getData(func) : undefined;\n\t\n\t          if (data && isLaziable(data[0]) &&\n\t                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n\t                !data[4].length && data[9] == 1\n\t              ) {\n\t            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n\t          } else {\n\t            wrapper = (func.length == 1 && isLaziable(func))\n\t              ? wrapper[funcName]()\n\t              : wrapper.thru(func);\n\t          }\n\t        }\n\t        return function() {\n\t          var args = arguments,\n\t              value = args[0];\n\t\n\t          if (wrapper && args.length == 1 && isArray(value)) {\n\t            return wrapper.plant(value).value();\n\t          }\n\t          var index = 0,\n\t              result = length ? funcs[index].apply(this, args) : value;\n\t\n\t          while (++index < length) {\n\t            result = funcs[index].call(this, result);\n\t          }\n\t          return result;\n\t        };\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with optional `this`\n\t     * binding of `thisArg`, partial application, and currying.\n\t     *\n\t     * @private\n\t     * @param {Function|string} func The function or method name to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [partialsRight] The arguments to append to those provided\n\t     *  to the new function.\n\t     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n\t      var isAry = bitmask & WRAP_ARY_FLAG,\n\t          isBind = bitmask & WRAP_BIND_FLAG,\n\t          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n\t          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n\t          isFlip = bitmask & WRAP_FLIP_FLAG,\n\t          Ctor = isBindKey ? undefined : createCtor(func);\n\t\n\t      function wrapper() {\n\t        var length = arguments.length,\n\t            args = Array(length),\n\t            index = length;\n\t\n\t        while (index--) {\n\t          args[index] = arguments[index];\n\t        }\n\t        if (isCurried) {\n\t          var placeholder = getHolder(wrapper),\n\t              holdersCount = countHolders(args, placeholder);\n\t        }\n\t        if (partials) {\n\t          args = composeArgs(args, partials, holders, isCurried);\n\t        }\n\t        if (partialsRight) {\n\t          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n\t        }\n\t        length -= holdersCount;\n\t        if (isCurried && length < arity) {\n\t          var newHolders = replaceHolders(args, placeholder);\n\t          return createRecurry(\n\t            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n\t            args, newHolders, argPos, ary, arity - length\n\t          );\n\t        }\n\t        var thisBinding = isBind ? thisArg : this,\n\t            fn = isBindKey ? thisBinding[func] : func;\n\t\n\t        length = args.length;\n\t        if (argPos) {\n\t          args = reorder(args, argPos);\n\t        } else if (isFlip && length > 1) {\n\t          args.reverse();\n\t        }\n\t        if (isAry && ary < length) {\n\t          args.length = ary;\n\t        }\n\t        if (this && this !== root && this instanceof wrapper) {\n\t          fn = Ctor || createCtor(fn);\n\t        }\n\t        return fn.apply(thisBinding, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.invertBy`.\n\t     *\n\t     * @private\n\t     * @param {Function} setter The function to set accumulator values.\n\t     * @param {Function} toIteratee The function to resolve iteratees.\n\t     * @returns {Function} Returns the new inverter function.\n\t     */\n\t    function createInverter(setter, toIteratee) {\n\t      return function(object, iteratee) {\n\t        return baseInverter(object, setter, toIteratee(iteratee), {});\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a mathematical operation on two values.\n\t     *\n\t     * @private\n\t     * @param {Function} operator The function to perform the operation.\n\t     * @param {number} [defaultValue] The value used for `undefined` arguments.\n\t     * @returns {Function} Returns the new mathematical operation function.\n\t     */\n\t    function createMathOperation(operator, defaultValue) {\n\t      return function(value, other) {\n\t        var result;\n\t        if (value === undefined && other === undefined) {\n\t          return defaultValue;\n\t        }\n\t        if (value !== undefined) {\n\t          result = value;\n\t        }\n\t        if (other !== undefined) {\n\t          if (result === undefined) {\n\t            return other;\n\t          }\n\t          if (typeof value == 'string' || typeof other == 'string') {\n\t            value = baseToString(value);\n\t            other = baseToString(other);\n\t          } else {\n\t            value = baseToNumber(value);\n\t            other = baseToNumber(other);\n\t          }\n\t          result = operator(value, other);\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.over`.\n\t     *\n\t     * @private\n\t     * @param {Function} arrayFunc The function to iterate over iteratees.\n\t     * @returns {Function} Returns the new over function.\n\t     */\n\t    function createOver(arrayFunc) {\n\t      return flatRest(function(iteratees) {\n\t        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n\t        return baseRest(function(args) {\n\t          var thisArg = this;\n\t          return arrayFunc(iteratees, function(iteratee) {\n\t            return apply(iteratee, thisArg, args);\n\t          });\n\t        });\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates the padding for `string` based on `length`. The `chars` string\n\t     * is truncated if the number of characters exceeds `length`.\n\t     *\n\t     * @private\n\t     * @param {number} length The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padding for `string`.\n\t     */\n\t    function createPadding(length, chars) {\n\t      chars = chars === undefined ? ' ' : baseToString(chars);\n\t\n\t      var charsLength = chars.length;\n\t      if (charsLength < 2) {\n\t        return charsLength ? baseRepeat(chars, length) : chars;\n\t      }\n\t      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n\t      return hasUnicode(chars)\n\t        ? castSlice(stringToArray(result), 0, length).join('')\n\t        : result.slice(0, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to invoke it with the `this` binding\n\t     * of `thisArg` and `partials` prepended to the arguments it receives.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {*} thisArg The `this` binding of `func`.\n\t     * @param {Array} partials The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createPartial(func, bitmask, thisArg, partials) {\n\t      var isBind = bitmask & WRAP_BIND_FLAG,\n\t          Ctor = createCtor(func);\n\t\n\t      function wrapper() {\n\t        var argsIndex = -1,\n\t            argsLength = arguments.length,\n\t            leftIndex = -1,\n\t            leftLength = partials.length,\n\t            args = Array(leftLength + argsLength),\n\t            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\t\n\t        while (++leftIndex < leftLength) {\n\t          args[leftIndex] = partials[leftIndex];\n\t        }\n\t        while (argsLength--) {\n\t          args[leftIndex++] = arguments[++argsIndex];\n\t        }\n\t        return apply(fn, isBind ? thisArg : this, args);\n\t      }\n\t      return wrapper;\n\t    }\n\t\n\t    /**\n\t     * Creates a `_.range` or `_.rangeRight` function.\n\t     *\n\t     * @private\n\t     * @param {boolean} [fromRight] Specify iterating from right to left.\n\t     * @returns {Function} Returns the new range function.\n\t     */\n\t    function createRange(fromRight) {\n\t      return function(start, end, step) {\n\t        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n\t          end = step = undefined;\n\t        }\n\t        // Ensure the sign of `-0` is preserved.\n\t        start = toFinite(start);\n\t        if (end === undefined) {\n\t          end = start;\n\t          start = 0;\n\t        } else {\n\t          end = toFinite(end);\n\t        }\n\t        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n\t        return baseRange(start, end, step, fromRight);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a relational operation on two values.\n\t     *\n\t     * @private\n\t     * @param {Function} operator The function to perform the operation.\n\t     * @returns {Function} Returns the new relational operation function.\n\t     */\n\t    function createRelationalOperation(operator) {\n\t      return function(value, other) {\n\t        if (!(typeof value == 'string' && typeof other == 'string')) {\n\t          value = toNumber(value);\n\t          other = toNumber(other);\n\t        }\n\t        return operator(value, other);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that wraps `func` to continue currying.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to wrap.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @param {Function} wrapFunc The function to create the `func` wrapper.\n\t     * @param {*} placeholder The placeholder value.\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to prepend to those provided to\n\t     *  the new function.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n\t      var isCurry = bitmask & WRAP_CURRY_FLAG,\n\t          newHolders = isCurry ? holders : undefined,\n\t          newHoldersRight = isCurry ? undefined : holders,\n\t          newPartials = isCurry ? partials : undefined,\n\t          newPartialsRight = isCurry ? undefined : partials;\n\t\n\t      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n\t      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\t\n\t      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n\t        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n\t      }\n\t      var newData = [\n\t        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n\t        newHoldersRight, argPos, ary, arity\n\t      ];\n\t\n\t      var result = wrapFunc.apply(undefined, newData);\n\t      if (isLaziable(func)) {\n\t        setData(result, newData);\n\t      }\n\t      result.placeholder = placeholder;\n\t      return setWrapToString(result, func, bitmask);\n\t    }\n\t\n\t    /**\n\t     * Creates a function like `_.round`.\n\t     *\n\t     * @private\n\t     * @param {string} methodName The name of the `Math` method to use when rounding.\n\t     * @returns {Function} Returns the new round function.\n\t     */\n\t    function createRound(methodName) {\n\t      var func = Math[methodName];\n\t      return function(number, precision) {\n\t        number = toNumber(number);\n\t        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n\t        if (precision) {\n\t          // Shift with exponential notation to avoid floating-point issues.\n\t          // See [MDN](https://mdn.io/round#Examples) for more details.\n\t          var pair = (toString(number) + 'e').split('e'),\n\t              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\t\n\t          pair = (toString(value) + 'e').split('e');\n\t          return +(pair[0] + 'e' + (+pair[1] - precision));\n\t        }\n\t        return func(number);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a set object of `values`.\n\t     *\n\t     * @private\n\t     * @param {Array} values The values to add to the set.\n\t     * @returns {Object} Returns the new set.\n\t     */\n\t    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n\t      return new Set(values);\n\t    };\n\t\n\t    /**\n\t     * Creates a `_.toPairs` or `_.toPairsIn` function.\n\t     *\n\t     * @private\n\t     * @param {Function} keysFunc The function to get the keys of a given object.\n\t     * @returns {Function} Returns the new pairs function.\n\t     */\n\t    function createToPairs(keysFunc) {\n\t      return function(object) {\n\t        var tag = getTag(object);\n\t        if (tag == mapTag) {\n\t          return mapToArray(object);\n\t        }\n\t        if (tag == setTag) {\n\t          return setToPairs(object);\n\t        }\n\t        return baseToPairs(object, keysFunc(object));\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that either curries or invokes `func` with optional\n\t     * `this` binding and partially applied arguments.\n\t     *\n\t     * @private\n\t     * @param {Function|string} func The function or method name to wrap.\n\t     * @param {number} bitmask The bitmask flags.\n\t     *    1 - `_.bind`\n\t     *    2 - `_.bindKey`\n\t     *    4 - `_.curry` or `_.curryRight` of a bound function\n\t     *    8 - `_.curry`\n\t     *   16 - `_.curryRight`\n\t     *   32 - `_.partial`\n\t     *   64 - `_.partialRight`\n\t     *  128 - `_.rearg`\n\t     *  256 - `_.ary`\n\t     *  512 - `_.flip`\n\t     * @param {*} [thisArg] The `this` binding of `func`.\n\t     * @param {Array} [partials] The arguments to be partially applied.\n\t     * @param {Array} [holders] The `partials` placeholder indexes.\n\t     * @param {Array} [argPos] The argument positions of the new function.\n\t     * @param {number} [ary] The arity cap of `func`.\n\t     * @param {number} [arity] The arity of `func`.\n\t     * @returns {Function} Returns the new wrapped function.\n\t     */\n\t    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n\t      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n\t      if (!isBindKey && typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      var length = partials ? partials.length : 0;\n\t      if (!length) {\n\t        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n\t        partials = holders = undefined;\n\t      }\n\t      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n\t      arity = arity === undefined ? arity : toInteger(arity);\n\t      length -= holders ? holders.length : 0;\n\t\n\t      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n\t        var partialsRight = partials,\n\t            holdersRight = holders;\n\t\n\t        partials = holders = undefined;\n\t      }\n\t      var data = isBindKey ? undefined : getData(func);\n\t\n\t      var newData = [\n\t        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n\t        argPos, ary, arity\n\t      ];\n\t\n\t      if (data) {\n\t        mergeData(newData, data);\n\t      }\n\t      func = newData[0];\n\t      bitmask = newData[1];\n\t      thisArg = newData[2];\n\t      partials = newData[3];\n\t      holders = newData[4];\n\t      arity = newData[9] = newData[9] === undefined\n\t        ? (isBindKey ? 0 : func.length)\n\t        : nativeMax(newData[9] - length, 0);\n\t\n\t      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n\t        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n\t      }\n\t      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n\t        var result = createBind(func, bitmask, thisArg);\n\t      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n\t        result = createCurry(func, bitmask, arity);\n\t      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n\t        result = createPartial(func, bitmask, thisArg, partials);\n\t      } else {\n\t        result = createHybrid.apply(undefined, newData);\n\t      }\n\t      var setter = data ? baseSetData : setData;\n\t      return setWrapToString(setter(result, newData), func, bitmask);\n\t    }\n\t\n\t    /**\n\t     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n\t     * of source objects to the destination object for all destination properties\n\t     * that resolve to `undefined`.\n\t     *\n\t     * @private\n\t     * @param {*} objValue The destination value.\n\t     * @param {*} srcValue The source value.\n\t     * @param {string} key The key of the property to assign.\n\t     * @param {Object} object The parent object of `objValue`.\n\t     * @returns {*} Returns the value to assign.\n\t     */\n\t    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n\t      if (objValue === undefined ||\n\t          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n\t        return srcValue;\n\t      }\n\t      return objValue;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n\t     * objects into destination objects that are passed thru.\n\t     *\n\t     * @private\n\t     * @param {*} objValue The destination value.\n\t     * @param {*} srcValue The source value.\n\t     * @param {string} key The key of the property to merge.\n\t     * @param {Object} object The parent object of `objValue`.\n\t     * @param {Object} source The parent object of `srcValue`.\n\t     * @param {Object} [stack] Tracks traversed source values and their merged\n\t     *  counterparts.\n\t     * @returns {*} Returns the value to assign.\n\t     */\n\t    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n\t      if (isObject(objValue) && isObject(srcValue)) {\n\t        // Recursively merge objects and arrays (susceptible to call stack limits).\n\t        stack.set(srcValue, objValue);\n\t        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n\t        stack['delete'](srcValue);\n\t      }\n\t      return objValue;\n\t    }\n\t\n\t    /**\n\t     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n\t     * objects.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @param {string} key The key of the property to inspect.\n\t     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n\t     */\n\t    function customOmitClone(value) {\n\t      return isPlainObject(value) ? undefined : value;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for arrays with support for\n\t     * partial deep comparisons.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to compare.\n\t     * @param {Array} other The other array to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `array` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n\t     */\n\t    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n\t      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n\t          arrLength = array.length,\n\t          othLength = other.length;\n\t\n\t      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n\t        return false;\n\t      }\n\t      // Assume cyclic values are equal.\n\t      var stacked = stack.get(array);\n\t      if (stacked && stack.get(other)) {\n\t        return stacked == other;\n\t      }\n\t      var index = -1,\n\t          result = true,\n\t          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\t\n\t      stack.set(array, other);\n\t      stack.set(other, array);\n\t\n\t      // Ignore non-index properties.\n\t      while (++index < arrLength) {\n\t        var arrValue = array[index],\n\t            othValue = other[index];\n\t\n\t        if (customizer) {\n\t          var compared = isPartial\n\t            ? customizer(othValue, arrValue, index, other, array, stack)\n\t            : customizer(arrValue, othValue, index, array, other, stack);\n\t        }\n\t        if (compared !== undefined) {\n\t          if (compared) {\n\t            continue;\n\t          }\n\t          result = false;\n\t          break;\n\t        }\n\t        // Recursively compare arrays (susceptible to call stack limits).\n\t        if (seen) {\n\t          if (!arraySome(other, function(othValue, othIndex) {\n\t                if (!cacheHas(seen, othIndex) &&\n\t                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n\t                  return seen.push(othIndex);\n\t                }\n\t              })) {\n\t            result = false;\n\t            break;\n\t          }\n\t        } else if (!(\n\t              arrValue === othValue ||\n\t                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n\t            )) {\n\t          result = false;\n\t          break;\n\t        }\n\t      }\n\t      stack['delete'](array);\n\t      stack['delete'](other);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for comparing objects of\n\t     * the same `toStringTag`.\n\t     *\n\t     * **Note:** This function only supports comparing values with tags of\n\t     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {string} tag The `toStringTag` of the objects to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n\t      switch (tag) {\n\t        case dataViewTag:\n\t          if ((object.byteLength != other.byteLength) ||\n\t              (object.byteOffset != other.byteOffset)) {\n\t            return false;\n\t          }\n\t          object = object.buffer;\n\t          other = other.buffer;\n\t\n\t        case arrayBufferTag:\n\t          if ((object.byteLength != other.byteLength) ||\n\t              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n\t            return false;\n\t          }\n\t          return true;\n\t\n\t        case boolTag:\n\t        case dateTag:\n\t        case numberTag:\n\t          // Coerce booleans to `1` or `0` and dates to milliseconds.\n\t          // Invalid dates are coerced to `NaN`.\n\t          return eq(+object, +other);\n\t\n\t        case errorTag:\n\t          return object.name == other.name && object.message == other.message;\n\t\n\t        case regexpTag:\n\t        case stringTag:\n\t          // Coerce regexes to strings and treat strings, primitives and objects,\n\t          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n\t          // for more details.\n\t          return object == (other + '');\n\t\n\t        case mapTag:\n\t          var convert = mapToArray;\n\t\n\t        case setTag:\n\t          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n\t          convert || (convert = setToArray);\n\t\n\t          if (object.size != other.size && !isPartial) {\n\t            return false;\n\t          }\n\t          // Assume cyclic values are equal.\n\t          var stacked = stack.get(object);\n\t          if (stacked) {\n\t            return stacked == other;\n\t          }\n\t          bitmask |= COMPARE_UNORDERED_FLAG;\n\t\n\t          // Recursively compare objects (susceptible to call stack limits).\n\t          stack.set(object, other);\n\t          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n\t          stack['delete'](object);\n\t          return result;\n\t\n\t        case symbolTag:\n\t          if (symbolValueOf) {\n\t            return symbolValueOf.call(object) == symbolValueOf.call(other);\n\t          }\n\t      }\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseIsEqualDeep` for objects with support for\n\t     * partial deep comparisons.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to compare.\n\t     * @param {Object} other The other object to compare.\n\t     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n\t     * @param {Function} customizer The function to customize comparisons.\n\t     * @param {Function} equalFunc The function to determine equivalents of values.\n\t     * @param {Object} stack Tracks traversed `object` and `other` objects.\n\t     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n\t     */\n\t    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n\t      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n\t          objProps = getAllKeys(object),\n\t          objLength = objProps.length,\n\t          othProps = getAllKeys(other),\n\t          othLength = othProps.length;\n\t\n\t      if (objLength != othLength && !isPartial) {\n\t        return false;\n\t      }\n\t      var index = objLength;\n\t      while (index--) {\n\t        var key = objProps[index];\n\t        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n\t          return false;\n\t        }\n\t      }\n\t      // Assume cyclic values are equal.\n\t      var stacked = stack.get(object);\n\t      if (stacked && stack.get(other)) {\n\t        return stacked == other;\n\t      }\n\t      var result = true;\n\t      stack.set(object, other);\n\t      stack.set(other, object);\n\t\n\t      var skipCtor = isPartial;\n\t      while (++index < objLength) {\n\t        key = objProps[index];\n\t        var objValue = object[key],\n\t            othValue = other[key];\n\t\n\t        if (customizer) {\n\t          var compared = isPartial\n\t            ? customizer(othValue, objValue, key, other, object, stack)\n\t            : customizer(objValue, othValue, key, object, other, stack);\n\t        }\n\t        // Recursively compare objects (susceptible to call stack limits).\n\t        if (!(compared === undefined\n\t              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n\t              : compared\n\t            )) {\n\t          result = false;\n\t          break;\n\t        }\n\t        skipCtor || (skipCtor = key == 'constructor');\n\t      }\n\t      if (result && !skipCtor) {\n\t        var objCtor = object.constructor,\n\t            othCtor = other.constructor;\n\t\n\t        // Non `Object` object instances with different constructors are not equal.\n\t        if (objCtor != othCtor &&\n\t            ('constructor' in object && 'constructor' in other) &&\n\t            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n\t              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n\t          result = false;\n\t        }\n\t      }\n\t      stack['delete'](object);\n\t      stack['delete'](other);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseRest` which flattens the rest array.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function flatRest(func) {\n\t      return setToString(overRest(func, undefined, flatten), func + '');\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own enumerable property names and symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function getAllKeys(object) {\n\t      return baseGetAllKeys(object, keys, getSymbols);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own and inherited enumerable property names and\n\t     * symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names and symbols.\n\t     */\n\t    function getAllKeysIn(object) {\n\t      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n\t    }\n\t\n\t    /**\n\t     * Gets metadata for `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to query.\n\t     * @returns {*} Returns the metadata for `func`.\n\t     */\n\t    var getData = !metaMap ? noop : function(func) {\n\t      return metaMap.get(func);\n\t    };\n\t\n\t    /**\n\t     * Gets the name of `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to query.\n\t     * @returns {string} Returns the function name.\n\t     */\n\t    function getFuncName(func) {\n\t      var result = (func.name + ''),\n\t          array = realNames[result],\n\t          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\t\n\t      while (length--) {\n\t        var data = array[length],\n\t            otherFunc = data.func;\n\t        if (otherFunc == null || otherFunc == func) {\n\t          return data.name;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the argument placeholder value for `func`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to inspect.\n\t     * @returns {*} Returns the placeholder value.\n\t     */\n\t    function getHolder(func) {\n\t      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n\t      return object.placeholder;\n\t    }\n\t\n\t    /**\n\t     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n\t     * this function returns the custom method, otherwise it returns `baseIteratee`.\n\t     * If arguments are provided, the chosen function is invoked with them and\n\t     * its result is returned.\n\t     *\n\t     * @private\n\t     * @param {*} [value] The value to convert to an iteratee.\n\t     * @param {number} [arity] The arity of the created iteratee.\n\t     * @returns {Function} Returns the chosen function or its result.\n\t     */\n\t    function getIteratee() {\n\t      var result = lodash.iteratee || iteratee;\n\t      result = result === iteratee ? baseIteratee : result;\n\t      return arguments.length ? result(arguments[0], arguments[1]) : result;\n\t    }\n\t\n\t    /**\n\t     * Gets the data for `map`.\n\t     *\n\t     * @private\n\t     * @param {Object} map The map to query.\n\t     * @param {string} key The reference key.\n\t     * @returns {*} Returns the map data.\n\t     */\n\t    function getMapData(map, key) {\n\t      var data = map.__data__;\n\t      return isKeyable(key)\n\t        ? data[typeof key == 'string' ? 'string' : 'hash']\n\t        : data.map;\n\t    }\n\t\n\t    /**\n\t     * Gets the property names, values, and compare flags of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the match data of `object`.\n\t     */\n\t    function getMatchData(object) {\n\t      var result = keys(object),\n\t          length = result.length;\n\t\n\t      while (length--) {\n\t        var key = result[length],\n\t            value = object[key];\n\t\n\t        result[length] = [key, value, isStrictComparable(value)];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the native function at `key` of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {string} key The key of the method to get.\n\t     * @returns {*} Returns the function if it's native, else `undefined`.\n\t     */\n\t    function getNative(object, key) {\n\t      var value = getValue(object, key);\n\t      return baseIsNative(value) ? value : undefined;\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the raw `toStringTag`.\n\t     */\n\t    function getRawTag(value) {\n\t      var isOwn = hasOwnProperty.call(value, symToStringTag),\n\t          tag = value[symToStringTag];\n\t\n\t      try {\n\t        value[symToStringTag] = undefined;\n\t        var unmasked = true;\n\t      } catch (e) {}\n\t\n\t      var result = nativeObjectToString.call(value);\n\t      if (unmasked) {\n\t        if (isOwn) {\n\t          value[symToStringTag] = tag;\n\t        } else {\n\t          delete value[symToStringTag];\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own enumerable symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of symbols.\n\t     */\n\t    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n\t      if (object == null) {\n\t        return [];\n\t      }\n\t      object = Object(object);\n\t      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n\t        return propertyIsEnumerable.call(object, symbol);\n\t      });\n\t    };\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable symbols of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of symbols.\n\t     */\n\t    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n\t      var result = [];\n\t      while (object) {\n\t        arrayPush(result, getSymbols(object));\n\t        object = getPrototype(object);\n\t      }\n\t      return result;\n\t    };\n\t\n\t    /**\n\t     * Gets the `toStringTag` of `value`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to query.\n\t     * @returns {string} Returns the `toStringTag`.\n\t     */\n\t    var getTag = baseGetTag;\n\t\n\t    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n\t    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n\t        (Map && getTag(new Map) != mapTag) ||\n\t        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n\t        (Set && getTag(new Set) != setTag) ||\n\t        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n\t      getTag = function(value) {\n\t        var result = baseGetTag(value),\n\t            Ctor = result == objectTag ? value.constructor : undefined,\n\t            ctorString = Ctor ? toSource(Ctor) : '';\n\t\n\t        if (ctorString) {\n\t          switch (ctorString) {\n\t            case dataViewCtorString: return dataViewTag;\n\t            case mapCtorString: return mapTag;\n\t            case promiseCtorString: return promiseTag;\n\t            case setCtorString: return setTag;\n\t            case weakMapCtorString: return weakMapTag;\n\t          }\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n\t     *\n\t     * @private\n\t     * @param {number} start The start of the view.\n\t     * @param {number} end The end of the view.\n\t     * @param {Array} transforms The transformations to apply to the view.\n\t     * @returns {Object} Returns an object containing the `start` and `end`\n\t     *  positions of the view.\n\t     */\n\t    function getView(start, end, transforms) {\n\t      var index = -1,\n\t          length = transforms.length;\n\t\n\t      while (++index < length) {\n\t        var data = transforms[index],\n\t            size = data.size;\n\t\n\t        switch (data.type) {\n\t          case 'drop':      start += size; break;\n\t          case 'dropRight': end -= size; break;\n\t          case 'take':      end = nativeMin(end, start + size); break;\n\t          case 'takeRight': start = nativeMax(start, end - size); break;\n\t        }\n\t      }\n\t      return { 'start': start, 'end': end };\n\t    }\n\t\n\t    /**\n\t     * Extracts wrapper details from the `source` body comment.\n\t     *\n\t     * @private\n\t     * @param {string} source The source to inspect.\n\t     * @returns {Array} Returns the wrapper details.\n\t     */\n\t    function getWrapDetails(source) {\n\t      var match = source.match(reWrapDetails);\n\t      return match ? match[1].split(reSplitDetails) : [];\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` exists on `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @param {Function} hasFunc The function to check properties.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     */\n\t    function hasPath(object, path, hasFunc) {\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length,\n\t          result = false;\n\t\n\t      while (++index < length) {\n\t        var key = toKey(path[index]);\n\t        if (!(result = object != null && hasFunc(object, key))) {\n\t          break;\n\t        }\n\t        object = object[key];\n\t      }\n\t      if (result || ++index != length) {\n\t        return result;\n\t      }\n\t      length = object == null ? 0 : object.length;\n\t      return !!length && isLength(length) && isIndex(key, length) &&\n\t        (isArray(object) || isArguments(object));\n\t    }\n\t\n\t    /**\n\t     * Initializes an array clone.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to clone.\n\t     * @returns {Array} Returns the initialized clone.\n\t     */\n\t    function initCloneArray(array) {\n\t      var length = array.length,\n\t          result = array.constructor(length);\n\t\n\t      // Add properties assigned by `RegExp#exec`.\n\t      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n\t        result.index = array.index;\n\t        result.input = array.input;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Initializes an object clone.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to clone.\n\t     * @returns {Object} Returns the initialized clone.\n\t     */\n\t    function initCloneObject(object) {\n\t      return (typeof object.constructor == 'function' && !isPrototype(object))\n\t        ? baseCreate(getPrototype(object))\n\t        : {};\n\t    }\n\t\n\t    /**\n\t     * Initializes an object clone based on its `toStringTag`.\n\t     *\n\t     * **Note:** This function only supports cloning values with tags of\n\t     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to clone.\n\t     * @param {string} tag The `toStringTag` of the object to clone.\n\t     * @param {Function} cloneFunc The function to clone values.\n\t     * @param {boolean} [isDeep] Specify a deep clone.\n\t     * @returns {Object} Returns the initialized clone.\n\t     */\n\t    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n\t      var Ctor = object.constructor;\n\t      switch (tag) {\n\t        case arrayBufferTag:\n\t          return cloneArrayBuffer(object);\n\t\n\t        case boolTag:\n\t        case dateTag:\n\t          return new Ctor(+object);\n\t\n\t        case dataViewTag:\n\t          return cloneDataView(object, isDeep);\n\t\n\t        case float32Tag: case float64Tag:\n\t        case int8Tag: case int16Tag: case int32Tag:\n\t        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n\t          return cloneTypedArray(object, isDeep);\n\t\n\t        case mapTag:\n\t          return cloneMap(object, isDeep, cloneFunc);\n\t\n\t        case numberTag:\n\t        case stringTag:\n\t          return new Ctor(object);\n\t\n\t        case regexpTag:\n\t          return cloneRegExp(object);\n\t\n\t        case setTag:\n\t          return cloneSet(object, isDeep, cloneFunc);\n\t\n\t        case symbolTag:\n\t          return cloneSymbol(object);\n\t      }\n\t    }\n\t\n\t    /**\n\t     * Inserts wrapper `details` in a comment at the top of the `source` body.\n\t     *\n\t     * @private\n\t     * @param {string} source The source to modify.\n\t     * @returns {Array} details The details to insert.\n\t     * @returns {string} Returns the modified source.\n\t     */\n\t    function insertWrapDetails(source, details) {\n\t      var length = details.length;\n\t      if (!length) {\n\t        return source;\n\t      }\n\t      var lastIndex = length - 1;\n\t      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n\t      details = details.join(length > 2 ? ', ' : ' ');\n\t      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a flattenable `arguments` object or array.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n\t     */\n\t    function isFlattenable(value) {\n\t      return isArray(value) || isArguments(value) ||\n\t        !!(spreadableSymbol && value && value[spreadableSymbol]);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a valid array-like index.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n\t     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n\t     */\n\t    function isIndex(value, length) {\n\t      length = length == null ? MAX_SAFE_INTEGER : length;\n\t      return !!length &&\n\t        (typeof value == 'number' || reIsUint.test(value)) &&\n\t        (value > -1 && value % 1 == 0 && value < length);\n\t    }\n\t\n\t    /**\n\t     * Checks if the given arguments are from an iteratee call.\n\t     *\n\t     * @private\n\t     * @param {*} value The potential iteratee value argument.\n\t     * @param {*} index The potential iteratee index or key argument.\n\t     * @param {*} object The potential iteratee object argument.\n\t     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n\t     *  else `false`.\n\t     */\n\t    function isIterateeCall(value, index, object) {\n\t      if (!isObject(object)) {\n\t        return false;\n\t      }\n\t      var type = typeof index;\n\t      if (type == 'number'\n\t            ? (isArrayLike(object) && isIndex(index, object.length))\n\t            : (type == 'string' && index in object)\n\t          ) {\n\t        return eq(object[index], value);\n\t      }\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a property name and not a property path.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @param {Object} [object] The object to query keys on.\n\t     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n\t     */\n\t    function isKey(value, object) {\n\t      if (isArray(value)) {\n\t        return false;\n\t      }\n\t      var type = typeof value;\n\t      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n\t          value == null || isSymbol(value)) {\n\t        return true;\n\t      }\n\t      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n\t        (object != null && value in Object(object));\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is suitable for use as unique object key.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n\t     */\n\t    function isKeyable(value) {\n\t      var type = typeof value;\n\t      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n\t        ? (value !== '__proto__')\n\t        : (value === null);\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` has a lazy counterpart.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to check.\n\t     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n\t     *  else `false`.\n\t     */\n\t    function isLaziable(func) {\n\t      var funcName = getFuncName(func),\n\t          other = lodash[funcName];\n\t\n\t      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n\t        return false;\n\t      }\n\t      if (func === other) {\n\t        return true;\n\t      }\n\t      var data = getData(other);\n\t      return !!data && func === data[0];\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` has its source masked.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to check.\n\t     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n\t     */\n\t    function isMasked(func) {\n\t      return !!maskSrcKey && (maskSrcKey in func);\n\t    }\n\t\n\t    /**\n\t     * Checks if `func` is capable of being masked.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n\t     */\n\t    var isMaskable = coreJsData ? isFunction : stubFalse;\n\t\n\t    /**\n\t     * Checks if `value` is likely a prototype object.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n\t     */\n\t    function isPrototype(value) {\n\t      var Ctor = value && value.constructor,\n\t          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\t\n\t      return value === proto;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` if suitable for strict\n\t     *  equality comparisons, else `false`.\n\t     */\n\t    function isStrictComparable(value) {\n\t      return value === value && !isObject(value);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `matchesProperty` for source values suitable\n\t     * for strict equality comparisons, i.e. `===`.\n\t     *\n\t     * @private\n\t     * @param {string} key The key of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     */\n\t    function matchesStrictComparable(key, srcValue) {\n\t      return function(object) {\n\t        if (object == null) {\n\t          return false;\n\t        }\n\t        return object[key] === srcValue &&\n\t          (srcValue !== undefined || (key in Object(object)));\n\t      };\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.memoize` which clears the memoized function's\n\t     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to have its output memoized.\n\t     * @returns {Function} Returns the new memoized function.\n\t     */\n\t    function memoizeCapped(func) {\n\t      var result = memoize(func, function(key) {\n\t        if (cache.size === MAX_MEMOIZE_SIZE) {\n\t          cache.clear();\n\t        }\n\t        return key;\n\t      });\n\t\n\t      var cache = result.cache;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Merges the function metadata of `source` into `data`.\n\t     *\n\t     * Merging metadata reduces the number of wrappers used to invoke a function.\n\t     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n\t     * may be applied regardless of execution order. Methods like `_.ary` and\n\t     * `_.rearg` modify function arguments, making the order in which they are\n\t     * executed important, preventing the merging of metadata. However, we make\n\t     * an exception for a safe combined case where curried functions have `_.ary`\n\t     * and or `_.rearg` applied.\n\t     *\n\t     * @private\n\t     * @param {Array} data The destination metadata.\n\t     * @param {Array} source The source metadata.\n\t     * @returns {Array} Returns `data`.\n\t     */\n\t    function mergeData(data, source) {\n\t      var bitmask = data[1],\n\t          srcBitmask = source[1],\n\t          newBitmask = bitmask | srcBitmask,\n\t          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\t\n\t      var isCombo =\n\t        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n\t        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n\t        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\t\n\t      // Exit early if metadata can't be merged.\n\t      if (!(isCommon || isCombo)) {\n\t        return data;\n\t      }\n\t      // Use source `thisArg` if available.\n\t      if (srcBitmask & WRAP_BIND_FLAG) {\n\t        data[2] = source[2];\n\t        // Set when currying a bound function.\n\t        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n\t      }\n\t      // Compose partial arguments.\n\t      var value = source[3];\n\t      if (value) {\n\t        var partials = data[3];\n\t        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n\t        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n\t      }\n\t      // Compose partial right arguments.\n\t      value = source[5];\n\t      if (value) {\n\t        partials = data[5];\n\t        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n\t        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n\t      }\n\t      // Use source `argPos` if available.\n\t      value = source[7];\n\t      if (value) {\n\t        data[7] = value;\n\t      }\n\t      // Use source `ary` if it's smaller.\n\t      if (srcBitmask & WRAP_ARY_FLAG) {\n\t        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n\t      }\n\t      // Use source `arity` if one is not provided.\n\t      if (data[9] == null) {\n\t        data[9] = source[9];\n\t      }\n\t      // Use source `func` and merge bitmasks.\n\t      data[0] = source[0];\n\t      data[1] = newBitmask;\n\t\n\t      return data;\n\t    }\n\t\n\t    /**\n\t     * This function is like\n\t     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n\t     * except that it includes inherited enumerable properties.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     */\n\t    function nativeKeysIn(object) {\n\t      var result = [];\n\t      if (object != null) {\n\t        for (var key in Object(object)) {\n\t          result.push(key);\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a string using `Object.prototype.toString`.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to convert.\n\t     * @returns {string} Returns the converted string.\n\t     */\n\t    function objectToString(value) {\n\t      return nativeObjectToString.call(value);\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `baseRest` which transforms the rest array.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @param {Function} transform The rest array transform.\n\t     * @returns {Function} Returns the new function.\n\t     */\n\t    function overRest(func, start, transform) {\n\t      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n\t      return function() {\n\t        var args = arguments,\n\t            index = -1,\n\t            length = nativeMax(args.length - start, 0),\n\t            array = Array(length);\n\t\n\t        while (++index < length) {\n\t          array[index] = args[start + index];\n\t        }\n\t        index = -1;\n\t        var otherArgs = Array(start + 1);\n\t        while (++index < start) {\n\t          otherArgs[index] = args[index];\n\t        }\n\t        otherArgs[start] = transform(array);\n\t        return apply(func, this, otherArgs);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Gets the parent value at `path` of `object`.\n\t     *\n\t     * @private\n\t     * @param {Object} object The object to query.\n\t     * @param {Array} path The path to get the parent value of.\n\t     * @returns {*} Returns the parent value.\n\t     */\n\t    function parent(object, path) {\n\t      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n\t    }\n\t\n\t    /**\n\t     * Reorder `array` according to the specified indexes where the element at\n\t     * the first index is assigned as the first element, the element at\n\t     * the second index is assigned as the second element, and so on.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to reorder.\n\t     * @param {Array} indexes The arranged array indexes.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function reorder(array, indexes) {\n\t      var arrLength = array.length,\n\t          length = nativeMin(indexes.length, arrLength),\n\t          oldArray = copyArray(array);\n\t\n\t      while (length--) {\n\t        var index = indexes[length];\n\t        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n\t      }\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Sets metadata for `func`.\n\t     *\n\t     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n\t     * period of time, it will trip its breaker and transition to an identity\n\t     * function to avoid garbage collection pauses in V8. See\n\t     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n\t     * for more details.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to associate metadata with.\n\t     * @param {*} data The metadata.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var setData = shortOut(baseSetData);\n\t\n\t    /**\n\t     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @returns {number|Object} Returns the timer id or timeout object.\n\t     */\n\t    var setTimeout = ctxSetTimeout || function(func, wait) {\n\t      return root.setTimeout(func, wait);\n\t    };\n\t\n\t    /**\n\t     * Sets the `toString` method of `func` to return `string`.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to modify.\n\t     * @param {Function} string The `toString` result.\n\t     * @returns {Function} Returns `func`.\n\t     */\n\t    var setToString = shortOut(baseSetToString);\n\t\n\t    /**\n\t     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n\t     * with wrapper details in a comment at the top of the source body.\n\t     *\n\t     * @private\n\t     * @param {Function} wrapper The function to modify.\n\t     * @param {Function} reference The reference function.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @returns {Function} Returns `wrapper`.\n\t     */\n\t    function setWrapToString(wrapper, reference, bitmask) {\n\t      var source = (reference + '');\n\t      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that'll short out and invoke `identity` instead\n\t     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n\t     * milliseconds.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new shortable function.\n\t     */\n\t    function shortOut(func) {\n\t      var count = 0,\n\t          lastCalled = 0;\n\t\n\t      return function() {\n\t        var stamp = nativeNow(),\n\t            remaining = HOT_SPAN - (stamp - lastCalled);\n\t\n\t        lastCalled = stamp;\n\t        if (remaining > 0) {\n\t          if (++count >= HOT_COUNT) {\n\t            return arguments[0];\n\t          }\n\t        } else {\n\t          count = 0;\n\t        }\n\t        return func.apply(undefined, arguments);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n\t     *\n\t     * @private\n\t     * @param {Array} array The array to shuffle.\n\t     * @param {number} [size=array.length] The size of `array`.\n\t     * @returns {Array} Returns `array`.\n\t     */\n\t    function shuffleSelf(array, size) {\n\t      var index = -1,\n\t          length = array.length,\n\t          lastIndex = length - 1;\n\t\n\t      size = size === undefined ? length : size;\n\t      while (++index < size) {\n\t        var rand = baseRandom(index, lastIndex),\n\t            value = array[rand];\n\t\n\t        array[rand] = array[index];\n\t        array[index] = value;\n\t      }\n\t      array.length = size;\n\t      return array;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to a property path array.\n\t     *\n\t     * @private\n\t     * @param {string} string The string to convert.\n\t     * @returns {Array} Returns the property path array.\n\t     */\n\t    var stringToPath = memoizeCapped(function(string) {\n\t      var result = [];\n\t      if (reLeadingDot.test(string)) {\n\t        result.push('');\n\t      }\n\t      string.replace(rePropName, function(match, number, quote, string) {\n\t        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n\t      });\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Converts `value` to a string key if it's not a string or symbol.\n\t     *\n\t     * @private\n\t     * @param {*} value The value to inspect.\n\t     * @returns {string|symbol} Returns the key.\n\t     */\n\t    function toKey(value) {\n\t      if (typeof value == 'string' || isSymbol(value)) {\n\t        return value;\n\t      }\n\t      var result = (value + '');\n\t      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t    }\n\t\n\t    /**\n\t     * Converts `func` to its source code.\n\t     *\n\t     * @private\n\t     * @param {Function} func The function to convert.\n\t     * @returns {string} Returns the source code.\n\t     */\n\t    function toSource(func) {\n\t      if (func != null) {\n\t        try {\n\t          return funcToString.call(func);\n\t        } catch (e) {}\n\t        try {\n\t          return (func + '');\n\t        } catch (e) {}\n\t      }\n\t      return '';\n\t    }\n\t\n\t    /**\n\t     * Updates wrapper `details` based on `bitmask` flags.\n\t     *\n\t     * @private\n\t     * @returns {Array} details The details to modify.\n\t     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n\t     * @returns {Array} Returns `details`.\n\t     */\n\t    function updateWrapDetails(details, bitmask) {\n\t      arrayEach(wrapFlags, function(pair) {\n\t        var value = '_.' + pair[0];\n\t        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n\t          details.push(value);\n\t        }\n\t      });\n\t      return details.sort();\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of `wrapper`.\n\t     *\n\t     * @private\n\t     * @param {Object} wrapper The wrapper to clone.\n\t     * @returns {Object} Returns the cloned wrapper.\n\t     */\n\t    function wrapperClone(wrapper) {\n\t      if (wrapper instanceof LazyWrapper) {\n\t        return wrapper.clone();\n\t      }\n\t      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n\t      result.__actions__ = copyArray(wrapper.__actions__);\n\t      result.__index__  = wrapper.__index__;\n\t      result.__values__ = wrapper.__values__;\n\t      return result;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an array of elements split into groups the length of `size`.\n\t     * If `array` can't be split evenly, the final chunk will be the remaining\n\t     * elements.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to process.\n\t     * @param {number} [size=1] The length of each chunk\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the new array of chunks.\n\t     * @example\n\t     *\n\t     * _.chunk(['a', 'b', 'c', 'd'], 2);\n\t     * // => [['a', 'b'], ['c', 'd']]\n\t     *\n\t     * _.chunk(['a', 'b', 'c', 'd'], 3);\n\t     * // => [['a', 'b', 'c'], ['d']]\n\t     */\n\t    function chunk(array, size, guard) {\n\t      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n\t        size = 1;\n\t      } else {\n\t        size = nativeMax(toInteger(size), 0);\n\t      }\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length || size < 1) {\n\t        return [];\n\t      }\n\t      var index = 0,\n\t          resIndex = 0,\n\t          result = Array(nativeCeil(length / size));\n\t\n\t      while (index < length) {\n\t        result[resIndex++] = baseSlice(array, index, (index += size));\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an array with all falsey values removed. The values `false`, `null`,\n\t     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to compact.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.compact([0, 1, false, 2, '', 3]);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function compact(array) {\n\t      var index = -1,\n\t          length = array == null ? 0 : array.length,\n\t          resIndex = 0,\n\t          result = [];\n\t\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (value) {\n\t          result[resIndex++] = value;\n\t        }\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a new array concatenating `array` with any additional arrays\n\t     * and/or values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to concatenate.\n\t     * @param {...*} [values] The values to concatenate.\n\t     * @returns {Array} Returns the new concatenated array.\n\t     * @example\n\t     *\n\t     * var array = [1];\n\t     * var other = _.concat(array, 2, [3], [[4]]);\n\t     *\n\t     * console.log(other);\n\t     * // => [1, 2, 3, [4]]\n\t     *\n\t     * console.log(array);\n\t     * // => [1]\n\t     */\n\t    function concat() {\n\t      var length = arguments.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      var args = Array(length - 1),\n\t          array = arguments[0],\n\t          index = length;\n\t\n\t      while (index--) {\n\t        args[index - 1] = arguments[index];\n\t      }\n\t      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of `array` values not included in the other given arrays\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. The order and references of result values are\n\t     * determined by the first array.\n\t     *\n\t     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.without, _.xor\n\t     * @example\n\t     *\n\t     * _.difference([2, 1], [2, 3]);\n\t     * // => [1]\n\t     */\n\t    var difference = baseRest(function(array, values) {\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.difference` except that it accepts `iteratee` which\n\t     * is invoked for each element of `array` and `values` to generate the criterion\n\t     * by which they're compared. The order and references of result values are\n\t     * determined by the first array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    var differenceBy = baseRest(function(array, values) {\n\t      var iteratee = last(values);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.difference` except that it accepts `comparator`\n\t     * which is invoked to compare elements of `array` to `values`. The order and\n\t     * references of result values are determined by the first array. The comparator\n\t     * is invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...Array} [values] The values to exclude.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     *\n\t     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n\t     * // => [{ 'x': 2, 'y': 1 }]\n\t     */\n\t    var differenceWith = baseRest(function(array, values) {\n\t      var comparator = last(values);\n\t      if (isArrayLikeObject(comparator)) {\n\t        comparator = undefined;\n\t      }\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements dropped from the beginning.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to drop.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.drop([1, 2, 3]);\n\t     * // => [2, 3]\n\t     *\n\t     * _.drop([1, 2, 3], 2);\n\t     * // => [3]\n\t     *\n\t     * _.drop([1, 2, 3], 5);\n\t     * // => []\n\t     *\n\t     * _.drop([1, 2, 3], 0);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function drop(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      return baseSlice(array, n < 0 ? 0 : n, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements dropped from the end.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to drop.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.dropRight([1, 2, 3]);\n\t     * // => [1, 2]\n\t     *\n\t     * _.dropRight([1, 2, 3], 2);\n\t     * // => [1]\n\t     *\n\t     * _.dropRight([1, 2, 3], 5);\n\t     * // => []\n\t     *\n\t     * _.dropRight([1, 2, 3], 0);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function dropRight(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      n = length - n;\n\t      return baseSlice(array, 0, n < 0 ? 0 : n);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` excluding elements dropped from the end.\n\t     * Elements are dropped until `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.dropRightWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.dropRightWhile(users, ['active', false]);\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.dropRightWhile(users, 'active');\n\t     * // => objects for ['barney', 'fred', 'pebbles']\n\t     */\n\t    function dropRightWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` excluding elements dropped from the beginning.\n\t     * Elements are dropped until `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.dropWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.dropWhile(users, ['active', false]);\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.dropWhile(users, 'active');\n\t     * // => objects for ['barney', 'fred', 'pebbles']\n\t     */\n\t    function dropWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Fills elements of `array` with `value` from `start` up to, but not\n\t     * including, `end`.\n\t     *\n\t     * **Note:** This method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Array\n\t     * @param {Array} array The array to fill.\n\t     * @param {*} value The value to fill `array` with.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _.fill(array, 'a');\n\t     * console.log(array);\n\t     * // => ['a', 'a', 'a']\n\t     *\n\t     * _.fill(Array(3), 2);\n\t     * // => [2, 2, 2]\n\t     *\n\t     * _.fill([4, 6, 8, 10], '*', 1, 3);\n\t     * // => [4, '*', '*', 10]\n\t     */\n\t    function fill(array, value, start, end) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n\t        start = 0;\n\t        end = length;\n\t      }\n\t      return baseFill(array, value, start, end);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.find` except that it returns the index of the first\n\t     * element `predicate` returns truthy for instead of the element itself.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {number} Returns the index of the found element, else `-1`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n\t     * // => 0\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findIndex(users, { 'user': 'fred', 'active': false });\n\t     * // => 1\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findIndex(users, ['active', false]);\n\t     * // => 0\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findIndex(users, 'active');\n\t     * // => 2\n\t     */\n\t    function findIndex(array, predicate, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\t      if (index < 0) {\n\t        index = nativeMax(length + index, 0);\n\t      }\n\t      return baseFindIndex(array, getIteratee(predicate, 3), index);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.findIndex` except that it iterates over elements\n\t     * of `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=array.length-1] The index to search from.\n\t     * @returns {number} Returns the index of the found element, else `-1`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n\t     * // => 2\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n\t     * // => 0\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findLastIndex(users, ['active', false]);\n\t     * // => 2\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findLastIndex(users, 'active');\n\t     * // => 0\n\t     */\n\t    function findLastIndex(array, predicate, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = length - 1;\n\t      if (fromIndex !== undefined) {\n\t        index = toInteger(fromIndex);\n\t        index = fromIndex < 0\n\t          ? nativeMax(length + index, 0)\n\t          : nativeMin(index, length - 1);\n\t      }\n\t      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n\t    }\n\t\n\t    /**\n\t     * Flattens `array` a single level deep.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * _.flatten([1, [2, [3, [4]], 5]]);\n\t     * // => [1, 2, [3, [4]], 5]\n\t     */\n\t    function flatten(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseFlatten(array, 1) : [];\n\t    }\n\t\n\t    /**\n\t     * Recursively flattens `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n\t     * // => [1, 2, 3, 4, 5]\n\t     */\n\t    function flattenDeep(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseFlatten(array, INFINITY) : [];\n\t    }\n\t\n\t    /**\n\t     * Recursively flatten `array` up to `depth` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.4.0\n\t     * @category Array\n\t     * @param {Array} array The array to flatten.\n\t     * @param {number} [depth=1] The maximum recursion depth.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * var array = [1, [2, [3, [4]], 5]];\n\t     *\n\t     * _.flattenDepth(array, 1);\n\t     * // => [1, 2, [3, [4]], 5]\n\t     *\n\t     * _.flattenDepth(array, 2);\n\t     * // => [1, 2, 3, [4], 5]\n\t     */\n\t    function flattenDepth(array, depth) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      depth = depth === undefined ? 1 : toInteger(depth);\n\t      return baseFlatten(array, depth);\n\t    }\n\t\n\t    /**\n\t     * The inverse of `_.toPairs`; this method returns an object composed\n\t     * from key-value `pairs`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} pairs The key-value pairs.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.fromPairs([['a', 1], ['b', 2]]);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    function fromPairs(pairs) {\n\t      var index = -1,\n\t          length = pairs == null ? 0 : pairs.length,\n\t          result = {};\n\t\n\t      while (++index < length) {\n\t        var pair = pairs[index];\n\t        result[pair[0]] = pair[1];\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Gets the first element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias first\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {*} Returns the first element of `array`.\n\t     * @example\n\t     *\n\t     * _.head([1, 2, 3]);\n\t     * // => 1\n\t     *\n\t     * _.head([]);\n\t     * // => undefined\n\t     */\n\t    function head(array) {\n\t      return (array && array.length) ? array[0] : undefined;\n\t    }\n\t\n\t    /**\n\t     * Gets the index at which the first occurrence of `value` is found in `array`\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. If `fromIndex` is negative, it's used as the\n\t     * offset from the end of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.indexOf([1, 2, 1, 2], 2);\n\t     * // => 1\n\t     *\n\t     * // Search from the `fromIndex`.\n\t     * _.indexOf([1, 2, 1, 2], 2, 2);\n\t     * // => 3\n\t     */\n\t    function indexOf(array, value, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n\t      if (index < 0) {\n\t        index = nativeMax(length + index, 0);\n\t      }\n\t      return baseIndexOf(array, value, index);\n\t    }\n\t\n\t    /**\n\t     * Gets all but the last element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.initial([1, 2, 3]);\n\t     * // => [1, 2]\n\t     */\n\t    function initial(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseSlice(array, 0, -1) : [];\n\t    }\n\t\n\t    /**\n\t     * Creates an array of unique values that are included in all given arrays\n\t     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons. The order and references of result values are\n\t     * determined by the first array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * _.intersection([2, 1], [2, 3]);\n\t     * // => [2]\n\t     */\n\t    var intersection = baseRest(function(arrays) {\n\t      var mapped = arrayMap(arrays, castArrayLikeObject);\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.intersection` except that it accepts `iteratee`\n\t     * which is invoked for each element of each `arrays` to generate the criterion\n\t     * by which they're compared. The order and references of result values are\n\t     * determined by the first array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [2.1]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }]\n\t     */\n\t    var intersectionBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays),\n\t          mapped = arrayMap(arrays, castArrayLikeObject);\n\t\n\t      if (iteratee === last(mapped)) {\n\t        iteratee = undefined;\n\t      } else {\n\t        mapped.pop();\n\t      }\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.intersection` except that it accepts `comparator`\n\t     * which is invoked to compare elements of `arrays`. The order and references\n\t     * of result values are determined by the first array. The comparator is\n\t     * invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of intersecting values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.intersectionWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }]\n\t     */\n\t    var intersectionWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays),\n\t          mapped = arrayMap(arrays, castArrayLikeObject);\n\t\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      if (comparator) {\n\t        mapped.pop();\n\t      }\n\t      return (mapped.length && mapped[0] === arrays[0])\n\t        ? baseIntersection(mapped, undefined, comparator)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Converts all elements in `array` into a string separated by `separator`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to convert.\n\t     * @param {string} [separator=','] The element separator.\n\t     * @returns {string} Returns the joined string.\n\t     * @example\n\t     *\n\t     * _.join(['a', 'b', 'c'], '~');\n\t     * // => 'a~b~c'\n\t     */\n\t    function join(array, separator) {\n\t      return array == null ? '' : nativeJoin.call(array, separator);\n\t    }\n\t\n\t    /**\n\t     * Gets the last element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {*} Returns the last element of `array`.\n\t     * @example\n\t     *\n\t     * _.last([1, 2, 3]);\n\t     * // => 3\n\t     */\n\t    function last(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? array[length - 1] : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.indexOf` except that it iterates over elements of\n\t     * `array` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=array.length-1] The index to search from.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.lastIndexOf([1, 2, 1, 2], 2);\n\t     * // => 3\n\t     *\n\t     * // Search from the `fromIndex`.\n\t     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n\t     * // => 1\n\t     */\n\t    function lastIndexOf(array, value, fromIndex) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return -1;\n\t      }\n\t      var index = length;\n\t      if (fromIndex !== undefined) {\n\t        index = toInteger(fromIndex);\n\t        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n\t      }\n\t      return value === value\n\t        ? strictLastIndexOf(array, value, index)\n\t        : baseFindIndex(array, baseIsNaN, index, true);\n\t    }\n\t\n\t    /**\n\t     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n\t     * element from the end is returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.11.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=0] The index of the element to return.\n\t     * @returns {*} Returns the nth element of `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'd'];\n\t     *\n\t     * _.nth(array, 1);\n\t     * // => 'b'\n\t     *\n\t     * _.nth(array, -2);\n\t     * // => 'c';\n\t     */\n\t    function nth(array, n) {\n\t      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n\t    }\n\t\n\t    /**\n\t     * Removes all given values from `array` using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n\t     * to remove elements from an array by predicate.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {...*} [values] The values to remove.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n\t     *\n\t     * _.pull(array, 'a', 'c');\n\t     * console.log(array);\n\t     * // => ['b', 'b']\n\t     */\n\t    var pull = baseRest(pullAll);\n\t\n\t    /**\n\t     * This method is like `_.pull` except that it accepts an array of values to remove.\n\t     *\n\t     * **Note:** Unlike `_.difference`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n\t     *\n\t     * _.pullAll(array, ['a', 'c']);\n\t     * console.log(array);\n\t     * // => ['b', 'b']\n\t     */\n\t    function pullAll(array, values) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values)\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n\t     * invoked for each element of `array` and `values` to generate the criterion\n\t     * by which they're compared. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n\t     *\n\t     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n\t     * console.log(array);\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    function pullAllBy(array, values, iteratee) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values, getIteratee(iteratee, 2))\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.pullAll` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `array` to `values`. The comparator is\n\t     * invoked with two arguments: (arrVal, othVal).\n\t     *\n\t     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Array} values The values to remove.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n\t     *\n\t     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n\t     * console.log(array);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n\t     */\n\t    function pullAllWith(array, values, comparator) {\n\t      return (array && array.length && values && values.length)\n\t        ? basePullAll(array, values, undefined, comparator)\n\t        : array;\n\t    }\n\t\n\t    /**\n\t     * Removes elements from `array` corresponding to `indexes` and returns an\n\t     * array of removed elements.\n\t     *\n\t     * **Note:** Unlike `_.at`, this method mutates `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n\t     * @returns {Array} Returns the new array of removed elements.\n\t     * @example\n\t     *\n\t     * var array = ['a', 'b', 'c', 'd'];\n\t     * var pulled = _.pullAt(array, [1, 3]);\n\t     *\n\t     * console.log(array);\n\t     * // => ['a', 'c']\n\t     *\n\t     * console.log(pulled);\n\t     * // => ['b', 'd']\n\t     */\n\t    var pullAt = flatRest(function(array, indexes) {\n\t      var length = array == null ? 0 : array.length,\n\t          result = baseAt(array, indexes);\n\t\n\t      basePullAt(array, arrayMap(indexes, function(index) {\n\t        return isIndex(index, length) ? +index : index;\n\t      }).sort(compareAscending));\n\t\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Removes all elements from `array` that `predicate` returns truthy for\n\t     * and returns an array of the removed elements. The predicate is invoked\n\t     * with three arguments: (value, index, array).\n\t     *\n\t     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n\t     * to pull elements from an array by value.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new array of removed elements.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3, 4];\n\t     * var evens = _.remove(array, function(n) {\n\t     *   return n % 2 == 0;\n\t     * });\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 3]\n\t     *\n\t     * console.log(evens);\n\t     * // => [2, 4]\n\t     */\n\t    function remove(array, predicate) {\n\t      var result = [];\n\t      if (!(array && array.length)) {\n\t        return result;\n\t      }\n\t      var index = -1,\n\t          indexes = [],\n\t          length = array.length;\n\t\n\t      predicate = getIteratee(predicate, 3);\n\t      while (++index < length) {\n\t        var value = array[index];\n\t        if (predicate(value, index, array)) {\n\t          result.push(value);\n\t          indexes.push(index);\n\t        }\n\t      }\n\t      basePullAt(array, indexes);\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Reverses `array` so that the first element becomes the last, the second\n\t     * element becomes the second to last, and so on.\n\t     *\n\t     * **Note:** This method mutates `array` and is based on\n\t     * [`Array#reverse`](https://mdn.io/Array/reverse).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to modify.\n\t     * @returns {Array} Returns `array`.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _.reverse(array);\n\t     * // => [3, 2, 1]\n\t     *\n\t     * console.log(array);\n\t     * // => [3, 2, 1]\n\t     */\n\t    function reverse(array) {\n\t      return array == null ? array : nativeReverse.call(array);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` from `start` up to, but not including, `end`.\n\t     *\n\t     * **Note:** This method is used instead of\n\t     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n\t     * returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to slice.\n\t     * @param {number} [start=0] The start position.\n\t     * @param {number} [end=array.length] The end position.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     */\n\t    function slice(array, start, end) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n\t        start = 0;\n\t        end = length;\n\t      }\n\t      else {\n\t        start = start == null ? 0 : toInteger(start);\n\t        end = end === undefined ? length : toInteger(end);\n\t      }\n\t      return baseSlice(array, start, end);\n\t    }\n\t\n\t    /**\n\t     * Uses a binary search to determine the lowest index at which `value`\n\t     * should be inserted into `array` in order to maintain its sort order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * _.sortedIndex([30, 50], 40);\n\t     * // => 1\n\t     */\n\t    function sortedIndex(array, value) {\n\t      return baseSortedIndex(array, value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n\t     * which is invoked for `value` and each element of `array` to compute their\n\t     * sort ranking. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n\t     *\n\t     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n\t     * // => 0\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n\t     * // => 0\n\t     */\n\t    function sortedIndexBy(array, value, iteratee) {\n\t      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.indexOf` except that it performs a binary\n\t     * search on a sorted `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n\t     * // => 1\n\t     */\n\t    function sortedIndexOf(array, value) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (length) {\n\t        var index = baseSortedIndex(array, value);\n\t        if (index < length && eq(array[index], value)) {\n\t          return index;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedIndex` except that it returns the highest\n\t     * index at which `value` should be inserted into `array` in order to\n\t     * maintain its sort order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n\t     * // => 4\n\t     */\n\t    function sortedLastIndex(array, value) {\n\t      return baseSortedIndex(array, value, true);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n\t     * which is invoked for `value` and each element of `array` to compute their\n\t     * sort ranking. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The sorted array to inspect.\n\t     * @param {*} value The value to evaluate.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the index at which `value` should be inserted\n\t     *  into `array`.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n\t     *\n\t     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n\t     * // => 1\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n\t     * // => 1\n\t     */\n\t    function sortedLastIndexBy(array, value, iteratee) {\n\t      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.lastIndexOf` except that it performs a binary\n\t     * search on a sorted `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @returns {number} Returns the index of the matched value, else `-1`.\n\t     * @example\n\t     *\n\t     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n\t     * // => 3\n\t     */\n\t    function sortedLastIndexOf(array, value) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (length) {\n\t        var index = baseSortedIndex(array, value, true) - 1;\n\t        if (eq(array[index], value)) {\n\t          return index;\n\t        }\n\t      }\n\t      return -1;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it's designed and optimized\n\t     * for sorted arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.sortedUniq([1, 1, 2]);\n\t     * // => [1, 2]\n\t     */\n\t    function sortedUniq(array) {\n\t      return (array && array.length)\n\t        ? baseSortedUniq(array)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniqBy` except that it's designed and optimized\n\t     * for sorted arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n\t     * // => [1.1, 2.3]\n\t     */\n\t    function sortedUniqBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Gets all but the first element of `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.tail([1, 2, 3]);\n\t     * // => [2, 3]\n\t     */\n\t    function tail(array) {\n\t      var length = array == null ? 0 : array.length;\n\t      return length ? baseSlice(array, 1, length) : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements taken from the beginning.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to take.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.take([1, 2, 3]);\n\t     * // => [1]\n\t     *\n\t     * _.take([1, 2, 3], 2);\n\t     * // => [1, 2]\n\t     *\n\t     * _.take([1, 2, 3], 5);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * _.take([1, 2, 3], 0);\n\t     * // => []\n\t     */\n\t    function take(array, n, guard) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      return baseSlice(array, 0, n < 0 ? 0 : n);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with `n` elements taken from the end.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {number} [n=1] The number of elements to take.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * _.takeRight([1, 2, 3]);\n\t     * // => [3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 2);\n\t     * // => [2, 3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 5);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * _.takeRight([1, 2, 3], 0);\n\t     * // => []\n\t     */\n\t    function takeRight(array, n, guard) {\n\t      var length = array == null ? 0 : array.length;\n\t      if (!length) {\n\t        return [];\n\t      }\n\t      n = (guard || n === undefined) ? 1 : toInteger(n);\n\t      n = length - n;\n\t      return baseSlice(array, n < 0 ? 0 : n, length);\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with elements taken from the end. Elements are\n\t     * taken until `predicate` returns falsey. The predicate is invoked with\n\t     * three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': true },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': false }\n\t     * ];\n\t     *\n\t     * _.takeRightWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n\t     * // => objects for ['pebbles']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.takeRightWhile(users, ['active', false]);\n\t     * // => objects for ['fred', 'pebbles']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.takeRightWhile(users, 'active');\n\t     * // => []\n\t     */\n\t    function takeRightWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates a slice of `array` with elements taken from the beginning. Elements\n\t     * are taken until `predicate` returns falsey. The predicate is invoked with\n\t     * three arguments: (value, index, array).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to query.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the slice of `array`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'active': false },\n\t     *   { 'user': 'fred',    'active': false },\n\t     *   { 'user': 'pebbles', 'active': true }\n\t     * ];\n\t     *\n\t     * _.takeWhile(users, function(o) { return !o.active; });\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.takeWhile(users, ['active', false]);\n\t     * // => objects for ['barney', 'fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.takeWhile(users, 'active');\n\t     * // => []\n\t     */\n\t    function takeWhile(array, predicate) {\n\t      return (array && array.length)\n\t        ? baseWhile(array, getIteratee(predicate, 3))\n\t        : [];\n\t    }\n\t\n\t    /**\n\t     * Creates an array of unique values, in order, from all given arrays using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * _.union([2], [1, 2]);\n\t     * // => [2, 1]\n\t     */\n\t    var union = baseRest(function(arrays) {\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.union` except that it accepts `iteratee` which is\n\t     * invoked for each element of each `arrays` to generate the criterion by\n\t     * which uniqueness is computed. Result values are chosen from the first\n\t     * array in which the value occurs. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n\t     * // => [2.1, 1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }, { 'x': 2 }]\n\t     */\n\t    var unionBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.union` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `arrays`. Result values are chosen from\n\t     * the first array in which the value occurs. The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of combined values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.unionWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n\t     */\n\t    var unionWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays);\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n\t    });\n\t\n\t    /**\n\t     * Creates a duplicate-free version of an array, using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons, in which only the first occurrence of each element\n\t     * is kept. The order of result values is determined by the order they occur\n\t     * in the array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.uniq([2, 1, 2]);\n\t     * // => [2, 1]\n\t     */\n\t    function uniq(array) {\n\t      return (array && array.length) ? baseUniq(array) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * uniqueness is computed. The order of result values is determined by the\n\t     * order they occur in the array. The iteratee is invoked with one argument:\n\t     * (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n\t     * // => [2.1, 1.2]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 1 }, { 'x': 2 }]\n\t     */\n\t    function uniqBy(array, iteratee) {\n\t      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.uniq` except that it accepts `comparator` which\n\t     * is invoked to compare elements of `array`. The order of result values is\n\t     * determined by the order they occur in the array.The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new duplicate free array.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.uniqWith(objects, _.isEqual);\n\t     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n\t     */\n\t    function uniqWith(array, comparator) {\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zip` except that it accepts an array of grouped\n\t     * elements and creates an array regrouping the elements to their pre-zip\n\t     * configuration.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.2.0\n\t     * @category Array\n\t     * @param {Array} array The array of grouped elements to process.\n\t     * @returns {Array} Returns the new array of regrouped elements.\n\t     * @example\n\t     *\n\t     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n\t     * // => [['a', 1, true], ['b', 2, false]]\n\t     *\n\t     * _.unzip(zipped);\n\t     * // => [['a', 'b'], [1, 2], [true, false]]\n\t     */\n\t    function unzip(array) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      var length = 0;\n\t      array = arrayFilter(array, function(group) {\n\t        if (isArrayLikeObject(group)) {\n\t          length = nativeMax(group.length, length);\n\t          return true;\n\t        }\n\t      });\n\t      return baseTimes(length, function(index) {\n\t        return arrayMap(array, baseProperty(index));\n\t      });\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n\t     * how regrouped values should be combined. The iteratee is invoked with the\n\t     * elements of each group: (...group).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Array\n\t     * @param {Array} array The array of grouped elements to process.\n\t     * @param {Function} [iteratee=_.identity] The function to combine\n\t     *  regrouped values.\n\t     * @returns {Array} Returns the new array of regrouped elements.\n\t     * @example\n\t     *\n\t     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n\t     * // => [[1, 10, 100], [2, 20, 200]]\n\t     *\n\t     * _.unzipWith(zipped, _.add);\n\t     * // => [3, 30, 300]\n\t     */\n\t    function unzipWith(array, iteratee) {\n\t      if (!(array && array.length)) {\n\t        return [];\n\t      }\n\t      var result = unzip(array);\n\t      if (iteratee == null) {\n\t        return result;\n\t      }\n\t      return arrayMap(result, function(group) {\n\t        return apply(iteratee, undefined, group);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates an array excluding all given values using\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * for equality comparisons.\n\t     *\n\t     * **Note:** Unlike `_.pull`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {Array} array The array to inspect.\n\t     * @param {...*} [values] The values to exclude.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.difference, _.xor\n\t     * @example\n\t     *\n\t     * _.without([2, 1, 2, 3], 1, 2);\n\t     * // => [3]\n\t     */\n\t    var without = baseRest(function(array, values) {\n\t      return isArrayLikeObject(array)\n\t        ? baseDifference(array, values)\n\t        : [];\n\t    });\n\t\n\t    /**\n\t     * Creates an array of unique values that is the\n\t     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n\t     * of the given arrays. The order of result values is determined by the order\n\t     * they occur in the arrays.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @see _.difference, _.without\n\t     * @example\n\t     *\n\t     * _.xor([2, 1], [2, 3]);\n\t     * // => [1, 3]\n\t     */\n\t    var xor = baseRest(function(arrays) {\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.xor` except that it accepts `iteratee` which is\n\t     * invoked for each element of each `arrays` to generate the criterion by\n\t     * which by which they're compared. The order of result values is determined\n\t     * by the order they occur in the arrays. The iteratee is invoked with one\n\t     * argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n\t     * // => [1.2, 3.4]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n\t     * // => [{ 'x': 2 }]\n\t     */\n\t    var xorBy = baseRest(function(arrays) {\n\t      var iteratee = last(arrays);\n\t      if (isArrayLikeObject(iteratee)) {\n\t        iteratee = undefined;\n\t      }\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.xor` except that it accepts `comparator` which is\n\t     * invoked to compare elements of `arrays`. The order of result values is\n\t     * determined by the order they occur in the arrays. The comparator is invoked\n\t     * with two arguments: (arrVal, othVal).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to inspect.\n\t     * @param {Function} [comparator] The comparator invoked per element.\n\t     * @returns {Array} Returns the new array of filtered values.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n\t     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n\t     *\n\t     * _.xorWith(objects, others, _.isEqual);\n\t     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n\t     */\n\t    var xorWith = baseRest(function(arrays) {\n\t      var comparator = last(arrays);\n\t      comparator = typeof comparator == 'function' ? comparator : undefined;\n\t      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of grouped elements, the first of which contains the\n\t     * first elements of the given arrays, the second of which contains the\n\t     * second elements of the given arrays, and so on.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to process.\n\t     * @returns {Array} Returns the new array of grouped elements.\n\t     * @example\n\t     *\n\t     * _.zip(['a', 'b'], [1, 2], [true, false]);\n\t     * // => [['a', 1, true], ['b', 2, false]]\n\t     */\n\t    var zip = baseRest(unzip);\n\t\n\t    /**\n\t     * This method is like `_.fromPairs` except that it accepts two arrays,\n\t     * one of property identifiers and one of corresponding values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.4.0\n\t     * @category Array\n\t     * @param {Array} [props=[]] The property identifiers.\n\t     * @param {Array} [values=[]] The property values.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.zipObject(['a', 'b'], [1, 2]);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    function zipObject(props, values) {\n\t      return baseZipObject(props || [], values || [], assignValue);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zipObject` except that it supports property paths.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.1.0\n\t     * @category Array\n\t     * @param {Array} [props=[]] The property identifiers.\n\t     * @param {Array} [values=[]] The property values.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n\t     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n\t     */\n\t    function zipObjectDeep(props, values) {\n\t      return baseZipObject(props || [], values || [], baseSet);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.zip` except that it accepts `iteratee` to specify\n\t     * how grouped values should be combined. The iteratee is invoked with the\n\t     * elements of each group: (...group).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Array\n\t     * @param {...Array} [arrays] The arrays to process.\n\t     * @param {Function} [iteratee=_.identity] The function to combine\n\t     *  grouped values.\n\t     * @returns {Array} Returns the new array of grouped elements.\n\t     * @example\n\t     *\n\t     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n\t     *   return a + b + c;\n\t     * });\n\t     * // => [111, 222]\n\t     */\n\t    var zipWith = baseRest(function(arrays) {\n\t      var length = arrays.length,\n\t          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\t\n\t      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n\t      return unzipWith(arrays, iteratee);\n\t    });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n\t     * chain sequences enabled. The result of such sequences must be unwrapped\n\t     * with `_#value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.3.0\n\t     * @category Seq\n\t     * @param {*} value The value to wrap.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36 },\n\t     *   { 'user': 'fred',    'age': 40 },\n\t     *   { 'user': 'pebbles', 'age': 1 }\n\t     * ];\n\t     *\n\t     * var youngest = _\n\t     *   .chain(users)\n\t     *   .sortBy('age')\n\t     *   .map(function(o) {\n\t     *     return o.user + ' is ' + o.age;\n\t     *   })\n\t     *   .head()\n\t     *   .value();\n\t     * // => 'pebbles is 1'\n\t     */\n\t    function chain(value) {\n\t      var result = lodash(value);\n\t      result.__chain__ = true;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method invokes `interceptor` and returns `value`. The interceptor\n\t     * is invoked with one argument; (value). The purpose of this method is to\n\t     * \"tap into\" a method chain sequence in order to modify intermediate results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @param {*} value The value to provide to `interceptor`.\n\t     * @param {Function} interceptor The function to invoke.\n\t     * @returns {*} Returns `value`.\n\t     * @example\n\t     *\n\t     * _([1, 2, 3])\n\t     *  .tap(function(array) {\n\t     *    // Mutate input array.\n\t     *    array.pop();\n\t     *  })\n\t     *  .reverse()\n\t     *  .value();\n\t     * // => [2, 1]\n\t     */\n\t    function tap(value, interceptor) {\n\t      interceptor(value);\n\t      return value;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.tap` except that it returns the result of `interceptor`.\n\t     * The purpose of this method is to \"pass thru\" values replacing intermediate\n\t     * results in a method chain sequence.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Seq\n\t     * @param {*} value The value to provide to `interceptor`.\n\t     * @param {Function} interceptor The function to invoke.\n\t     * @returns {*} Returns the result of `interceptor`.\n\t     * @example\n\t     *\n\t     * _('  abc  ')\n\t     *  .chain()\n\t     *  .trim()\n\t     *  .thru(function(value) {\n\t     *    return [value];\n\t     *  })\n\t     *  .value();\n\t     * // => ['abc']\n\t     */\n\t    function thru(value, interceptor) {\n\t      return interceptor(value);\n\t    }\n\t\n\t    /**\n\t     * This method is the wrapper version of `_.at`.\n\t     *\n\t     * @name at\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Seq\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t     *\n\t     * _(object).at(['a[0].b.c', 'a[1]']).value();\n\t     * // => [3, 4]\n\t     */\n\t    var wrapperAt = flatRest(function(paths) {\n\t      var length = paths.length,\n\t          start = length ? paths[0] : 0,\n\t          value = this.__wrapped__,\n\t          interceptor = function(object) { return baseAt(object, paths); };\n\t\n\t      if (length > 1 || this.__actions__.length ||\n\t          !(value instanceof LazyWrapper) || !isIndex(start)) {\n\t        return this.thru(interceptor);\n\t      }\n\t      value = value.slice(start, +start + (length ? 1 : 0));\n\t      value.__actions__.push({\n\t        'func': thru,\n\t        'args': [interceptor],\n\t        'thisArg': undefined\n\t      });\n\t      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n\t        if (length && !array.length) {\n\t          array.push(undefined);\n\t        }\n\t        return array;\n\t      });\n\t    });\n\t\n\t    /**\n\t     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n\t     *\n\t     * @name chain\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36 },\n\t     *   { 'user': 'fred',   'age': 40 }\n\t     * ];\n\t     *\n\t     * // A sequence without explicit chaining.\n\t     * _(users).head();\n\t     * // => { 'user': 'barney', 'age': 36 }\n\t     *\n\t     * // A sequence with explicit chaining.\n\t     * _(users)\n\t     *   .chain()\n\t     *   .head()\n\t     *   .pick('user')\n\t     *   .value();\n\t     * // => { 'user': 'barney' }\n\t     */\n\t    function wrapperChain() {\n\t      return chain(this);\n\t    }\n\t\n\t    /**\n\t     * Executes the chain sequence and returns the wrapped result.\n\t     *\n\t     * @name commit\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var array = [1, 2];\n\t     * var wrapped = _(array).push(3);\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 2]\n\t     *\n\t     * wrapped = wrapped.commit();\n\t     * console.log(array);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * wrapped.last();\n\t     * // => 3\n\t     *\n\t     * console.log(array);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function wrapperCommit() {\n\t      return new LodashWrapper(this.value(), this.__chain__);\n\t    }\n\t\n\t    /**\n\t     * Gets the next value on a wrapped object following the\n\t     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n\t     *\n\t     * @name next\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the next iterator value.\n\t     * @example\n\t     *\n\t     * var wrapped = _([1, 2]);\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': false, 'value': 1 }\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': false, 'value': 2 }\n\t     *\n\t     * wrapped.next();\n\t     * // => { 'done': true, 'value': undefined }\n\t     */\n\t    function wrapperNext() {\n\t      if (this.__values__ === undefined) {\n\t        this.__values__ = toArray(this.value());\n\t      }\n\t      var done = this.__index__ >= this.__values__.length,\n\t          value = done ? undefined : this.__values__[this.__index__++];\n\t\n\t      return { 'done': done, 'value': value };\n\t    }\n\t\n\t    /**\n\t     * Enables the wrapper to be iterable.\n\t     *\n\t     * @name Symbol.iterator\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the wrapper object.\n\t     * @example\n\t     *\n\t     * var wrapped = _([1, 2]);\n\t     *\n\t     * wrapped[Symbol.iterator]() === wrapped;\n\t     * // => true\n\t     *\n\t     * Array.from(wrapped);\n\t     * // => [1, 2]\n\t     */\n\t    function wrapperToIterator() {\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n\t     *\n\t     * @name plant\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Seq\n\t     * @param {*} value The value to plant.\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var wrapped = _([1, 2]).map(square);\n\t     * var other = wrapped.plant([3, 4]);\n\t     *\n\t     * other.value();\n\t     * // => [9, 16]\n\t     *\n\t     * wrapped.value();\n\t     * // => [1, 4]\n\t     */\n\t    function wrapperPlant(value) {\n\t      var result,\n\t          parent = this;\n\t\n\t      while (parent instanceof baseLodash) {\n\t        var clone = wrapperClone(parent);\n\t        clone.__index__ = 0;\n\t        clone.__values__ = undefined;\n\t        if (result) {\n\t          previous.__wrapped__ = clone;\n\t        } else {\n\t          result = clone;\n\t        }\n\t        var previous = clone;\n\t        parent = parent.__wrapped__;\n\t      }\n\t      previous.__wrapped__ = value;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is the wrapper version of `_.reverse`.\n\t     *\n\t     * **Note:** This method mutates the wrapped array.\n\t     *\n\t     * @name reverse\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Seq\n\t     * @returns {Object} Returns the new `lodash` wrapper instance.\n\t     * @example\n\t     *\n\t     * var array = [1, 2, 3];\n\t     *\n\t     * _(array).reverse().value()\n\t     * // => [3, 2, 1]\n\t     *\n\t     * console.log(array);\n\t     * // => [3, 2, 1]\n\t     */\n\t    function wrapperReverse() {\n\t      var value = this.__wrapped__;\n\t      if (value instanceof LazyWrapper) {\n\t        var wrapped = value;\n\t        if (this.__actions__.length) {\n\t          wrapped = new LazyWrapper(this);\n\t        }\n\t        wrapped = wrapped.reverse();\n\t        wrapped.__actions__.push({\n\t          'func': thru,\n\t          'args': [reverse],\n\t          'thisArg': undefined\n\t        });\n\t        return new LodashWrapper(wrapped, this.__chain__);\n\t      }\n\t      return this.thru(reverse);\n\t    }\n\t\n\t    /**\n\t     * Executes the chain sequence to resolve the unwrapped value.\n\t     *\n\t     * @name value\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias toJSON, valueOf\n\t     * @category Seq\n\t     * @returns {*} Returns the resolved unwrapped value.\n\t     * @example\n\t     *\n\t     * _([1, 2, 3]).value();\n\t     * // => [1, 2, 3]\n\t     */\n\t    function wrapperValue() {\n\t      return baseWrapperValue(this.__wrapped__, this.__actions__);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The corresponding value of\n\t     * each key is the number of times the key was returned by `iteratee`. The\n\t     * iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n\t     * // => { '4': 1, '6': 2 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.countBy(['one', 'two', 'three'], 'length');\n\t     * // => { '3': 2, '5': 1 }\n\t     */\n\t    var countBy = createAggregator(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, key)) {\n\t        ++result[key];\n\t      } else {\n\t        baseAssignValue(result, key, 1);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n\t     * Iteration is stopped once `predicate` returns falsey. The predicate is\n\t     * invoked with three arguments: (value, index|key, collection).\n\t     *\n\t     * **Note:** This method returns `true` for\n\t     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n\t     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n\t     * elements of empty collections.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.every([true, 1, null, 'yes'], Boolean);\n\t     * // => false\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': false },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.every(users, { 'user': 'barney', 'active': false });\n\t     * // => false\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.every(users, ['active', false]);\n\t     * // => true\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.every(users, 'active');\n\t     * // => false\n\t     */\n\t    function every(collection, predicate, guard) {\n\t      var func = isArray(collection) ? arrayEvery : baseEvery;\n\t      if (guard && isIterateeCall(collection, predicate, guard)) {\n\t        predicate = undefined;\n\t      }\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection`, returning an array of all elements\n\t     * `predicate` returns truthy for. The predicate is invoked with three\n\t     * arguments: (value, index|key, collection).\n\t     *\n\t     * **Note:** Unlike `_.remove`, this method returns a new array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     * @see _.reject\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': true },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * _.filter(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.filter(users, { 'age': 36, 'active': true });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.filter(users, ['active', false]);\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.filter(users, 'active');\n\t     * // => objects for ['barney']\n\t     */\n\t    function filter(collection, predicate) {\n\t      var func = isArray(collection) ? arrayFilter : baseFilter;\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection`, returning the first element\n\t     * `predicate` returns truthy for. The predicate is invoked with three\n\t     * arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @returns {*} Returns the matched element, else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36, 'active': true },\n\t     *   { 'user': 'fred',    'age': 40, 'active': false },\n\t     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n\t     * ];\n\t     *\n\t     * _.find(users, function(o) { return o.age < 40; });\n\t     * // => object for 'barney'\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.find(users, { 'age': 1, 'active': true });\n\t     * // => object for 'pebbles'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.find(users, ['active', false]);\n\t     * // => object for 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.find(users, 'active');\n\t     * // => object for 'barney'\n\t     */\n\t    var find = createFind(findIndex);\n\t\n\t    /**\n\t     * This method is like `_.find` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param {number} [fromIndex=collection.length-1] The index to search from.\n\t     * @returns {*} Returns the matched element, else `undefined`.\n\t     * @example\n\t     *\n\t     * _.findLast([1, 2, 3, 4], function(n) {\n\t     *   return n % 2 == 1;\n\t     * });\n\t     * // => 3\n\t     */\n\t    var findLast = createFind(findLastIndex);\n\t\n\t    /**\n\t     * Creates a flattened array of values by running each element in `collection`\n\t     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n\t     * with three arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [n, n];\n\t     * }\n\t     *\n\t     * _.flatMap([1, 2], duplicate);\n\t     * // => [1, 1, 2, 2]\n\t     */\n\t    function flatMap(collection, iteratee) {\n\t      return baseFlatten(map(collection, iteratee), 1);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.flatMap` except that it recursively flattens the\n\t     * mapped results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [[[n, n]]];\n\t     * }\n\t     *\n\t     * _.flatMapDeep([1, 2], duplicate);\n\t     * // => [1, 1, 2, 2]\n\t     */\n\t    function flatMapDeep(collection, iteratee) {\n\t      return baseFlatten(map(collection, iteratee), INFINITY);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.flatMap` except that it recursively flattens the\n\t     * mapped results up to `depth` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {number} [depth=1] The maximum recursion depth.\n\t     * @returns {Array} Returns the new flattened array.\n\t     * @example\n\t     *\n\t     * function duplicate(n) {\n\t     *   return [[[n, n]]];\n\t     * }\n\t     *\n\t     * _.flatMapDepth([1, 2], duplicate, 2);\n\t     * // => [[1, 1], [2, 2]]\n\t     */\n\t    function flatMapDepth(collection, iteratee, depth) {\n\t      depth = depth === undefined ? 1 : toInteger(depth);\n\t      return baseFlatten(map(collection, iteratee), depth);\n\t    }\n\t\n\t    /**\n\t     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n\t     * The iteratee is invoked with three arguments: (value, index|key, collection).\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n\t     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n\t     * or `_.forOwn` for object iteration.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @alias each\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     * @see _.forEachRight\n\t     * @example\n\t     *\n\t     * _.forEach([1, 2], function(value) {\n\t     *   console.log(value);\n\t     * });\n\t     * // => Logs `1` then `2`.\n\t     *\n\t     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t     */\n\t    function forEach(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayEach : baseEach;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forEach` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @alias eachRight\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array|Object} Returns `collection`.\n\t     * @see _.forEach\n\t     * @example\n\t     *\n\t     * _.forEachRight([1, 2], function(value) {\n\t     *   console.log(value);\n\t     * });\n\t     * // => Logs `2` then `1`.\n\t     */\n\t    function forEachRight(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The order of grouped values\n\t     * is determined by the order they occur in `collection`. The corresponding\n\t     * value of each key is an array of elements responsible for generating the\n\t     * key. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n\t     * // => { '4': [4.2], '6': [6.1, 6.3] }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.groupBy(['one', 'two', 'three'], 'length');\n\t     * // => { '3': ['one', 'two'], '5': ['three'] }\n\t     */\n\t    var groupBy = createAggregator(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, key)) {\n\t        result[key].push(value);\n\t      } else {\n\t        baseAssignValue(result, key, [value]);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Checks if `value` is in `collection`. If `collection` is a string, it's\n\t     * checked for a substring of `value`, otherwise\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n\t     * the offset from the end of `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object|string} collection The collection to inspect.\n\t     * @param {*} value The value to search for.\n\t     * @param {number} [fromIndex=0] The index to search from.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n\t     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n\t     * @example\n\t     *\n\t     * _.includes([1, 2, 3], 1);\n\t     * // => true\n\t     *\n\t     * _.includes([1, 2, 3], 1, 2);\n\t     * // => false\n\t     *\n\t     * _.includes({ 'a': 1, 'b': 2 }, 1);\n\t     * // => true\n\t     *\n\t     * _.includes('abcd', 'bc');\n\t     * // => true\n\t     */\n\t    function includes(collection, value, fromIndex, guard) {\n\t      collection = isArrayLike(collection) ? collection : values(collection);\n\t      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\t\n\t      var length = collection.length;\n\t      if (fromIndex < 0) {\n\t        fromIndex = nativeMax(length + fromIndex, 0);\n\t      }\n\t      return isString(collection)\n\t        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n\t        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n\t    }\n\t\n\t    /**\n\t     * Invokes the method at `path` of each element in `collection`, returning\n\t     * an array of the results of each invoked method. Any additional arguments\n\t     * are provided to each invoked method. If `path` is a function, it's invoked\n\t     * for, and `this` bound to, each element in `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Array|Function|string} path The path of the method to invoke or\n\t     *  the function invoked per iteration.\n\t     * @param {...*} [args] The arguments to invoke each method with.\n\t     * @returns {Array} Returns the array of results.\n\t     * @example\n\t     *\n\t     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n\t     * // => [[1, 5, 7], [1, 2, 3]]\n\t     *\n\t     * _.invokeMap([123, 456], String.prototype.split, '');\n\t     * // => [['1', '2', '3'], ['4', '5', '6']]\n\t     */\n\t    var invokeMap = baseRest(function(collection, path, args) {\n\t      var index = -1,\n\t          isFunc = typeof path == 'function',\n\t          result = isArrayLike(collection) ? Array(collection.length) : [];\n\t\n\t      baseEach(collection, function(value) {\n\t        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n\t      });\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * Creates an object composed of keys generated from the results of running\n\t     * each element of `collection` thru `iteratee`. The corresponding value of\n\t     * each key is the last element responsible for generating the key. The\n\t     * iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n\t     * @returns {Object} Returns the composed aggregate object.\n\t     * @example\n\t     *\n\t     * var array = [\n\t     *   { 'dir': 'left', 'code': 97 },\n\t     *   { 'dir': 'right', 'code': 100 }\n\t     * ];\n\t     *\n\t     * _.keyBy(array, function(o) {\n\t     *   return String.fromCharCode(o.code);\n\t     * });\n\t     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n\t     *\n\t     * _.keyBy(array, 'dir');\n\t     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n\t     */\n\t    var keyBy = createAggregator(function(result, value, key) {\n\t      baseAssignValue(result, key, value);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of values by running each element in `collection` thru\n\t     * `iteratee`. The iteratee is invoked with three arguments:\n\t     * (value, index|key, collection).\n\t     *\n\t     * Many lodash methods are guarded to work as iteratees for methods like\n\t     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n\t     *\n\t     * The guarded methods are:\n\t     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n\t     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n\t     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n\t     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new mapped array.\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * _.map([4, 8], square);\n\t     * // => [16, 64]\n\t     *\n\t     * _.map({ 'a': 4, 'b': 8 }, square);\n\t     * // => [16, 64] (iteration order is not guaranteed)\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney' },\n\t     *   { 'user': 'fred' }\n\t     * ];\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.map(users, 'user');\n\t     * // => ['barney', 'fred']\n\t     */\n\t    function map(collection, iteratee) {\n\t      var func = isArray(collection) ? arrayMap : baseMap;\n\t      return func(collection, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sortBy` except that it allows specifying the sort\n\t     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n\t     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n\t     * descending or \"asc\" for ascending sort order of corresponding values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n\t     *  The iteratees to sort by.\n\t     * @param {string[]} [orders] The sort orders of `iteratees`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n\t     * @returns {Array} Returns the new sorted array.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'fred',   'age': 48 },\n\t     *   { 'user': 'barney', 'age': 34 },\n\t     *   { 'user': 'fred',   'age': 40 },\n\t     *   { 'user': 'barney', 'age': 36 }\n\t     * ];\n\t     *\n\t     * // Sort by `user` in ascending order and by `age` in descending order.\n\t     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n\t     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n\t     */\n\t    function orderBy(collection, iteratees, orders, guard) {\n\t      if (collection == null) {\n\t        return [];\n\t      }\n\t      if (!isArray(iteratees)) {\n\t        iteratees = iteratees == null ? [] : [iteratees];\n\t      }\n\t      orders = guard ? undefined : orders;\n\t      if (!isArray(orders)) {\n\t        orders = orders == null ? [] : [orders];\n\t      }\n\t      return baseOrderBy(collection, iteratees, orders);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of elements split into two groups, the first of which\n\t     * contains elements `predicate` returns truthy for, the second of which\n\t     * contains elements `predicate` returns falsey for. The predicate is\n\t     * invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the array of grouped elements.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney',  'age': 36, 'active': false },\n\t     *   { 'user': 'fred',    'age': 40, 'active': true },\n\t     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n\t     * ];\n\t     *\n\t     * _.partition(users, function(o) { return o.active; });\n\t     * // => objects for [['fred'], ['barney', 'pebbles']]\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.partition(users, { 'age': 1, 'active': false });\n\t     * // => objects for [['pebbles'], ['barney', 'fred']]\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.partition(users, ['active', false]);\n\t     * // => objects for [['barney', 'pebbles'], ['fred']]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.partition(users, 'active');\n\t     * // => objects for [['fred'], ['barney', 'pebbles']]\n\t     */\n\t    var partition = createAggregator(function(result, value, key) {\n\t      result[key ? 0 : 1].push(value);\n\t    }, function() { return [[], []]; });\n\t\n\t    /**\n\t     * Reduces `collection` to a value which is the accumulated result of running\n\t     * each element in `collection` thru `iteratee`, where each successive\n\t     * invocation is supplied the return value of the previous. If `accumulator`\n\t     * is not given, the first element of `collection` is used as the initial\n\t     * value. The iteratee is invoked with four arguments:\n\t     * (accumulator, value, index|key, collection).\n\t     *\n\t     * Many lodash methods are guarded to work as iteratees for methods like\n\t     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n\t     *\n\t     * The guarded methods are:\n\t     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n\t     * and `sortBy`\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The initial value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @see _.reduceRight\n\t     * @example\n\t     *\n\t     * _.reduce([1, 2], function(sum, n) {\n\t     *   return sum + n;\n\t     * }, 0);\n\t     * // => 3\n\t     *\n\t     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t     *   (result[value] || (result[value] = [])).push(key);\n\t     *   return result;\n\t     * }, {});\n\t     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n\t     */\n\t    function reduce(collection, iteratee, accumulator) {\n\t      var func = isArray(collection) ? arrayReduce : baseReduce,\n\t          initAccum = arguments.length < 3;\n\t\n\t      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.reduce` except that it iterates over elements of\n\t     * `collection` from right to left.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The initial value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @see _.reduce\n\t     * @example\n\t     *\n\t     * var array = [[0, 1], [2, 3], [4, 5]];\n\t     *\n\t     * _.reduceRight(array, function(flattened, other) {\n\t     *   return flattened.concat(other);\n\t     * }, []);\n\t     * // => [4, 5, 2, 3, 0, 1]\n\t     */\n\t    function reduceRight(collection, iteratee, accumulator) {\n\t      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n\t          initAccum = arguments.length < 3;\n\t\n\t      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.filter`; this method returns the elements of `collection`\n\t     * that `predicate` does **not** return truthy for.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the new filtered array.\n\t     * @see _.filter\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': false },\n\t     *   { 'user': 'fred',   'age': 40, 'active': true }\n\t     * ];\n\t     *\n\t     * _.reject(users, function(o) { return !o.active; });\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.reject(users, { 'age': 40, 'active': true });\n\t     * // => objects for ['barney']\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.reject(users, ['active', false]);\n\t     * // => objects for ['fred']\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.reject(users, 'active');\n\t     * // => objects for ['barney']\n\t     */\n\t    function reject(collection, predicate) {\n\t      var func = isArray(collection) ? arrayFilter : baseFilter;\n\t      return func(collection, negate(getIteratee(predicate, 3)));\n\t    }\n\t\n\t    /**\n\t     * Gets a random element from `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @returns {*} Returns the random element.\n\t     * @example\n\t     *\n\t     * _.sample([1, 2, 3, 4]);\n\t     * // => 2\n\t     */\n\t    function sample(collection) {\n\t      var func = isArray(collection) ? arraySample : baseSample;\n\t      return func(collection);\n\t    }\n\t\n\t    /**\n\t     * Gets `n` random elements at unique keys from `collection` up to the\n\t     * size of `collection`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to sample.\n\t     * @param {number} [n=1] The number of elements to sample.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the random elements.\n\t     * @example\n\t     *\n\t     * _.sampleSize([1, 2, 3], 2);\n\t     * // => [3, 1]\n\t     *\n\t     * _.sampleSize([1, 2, 3], 4);\n\t     * // => [2, 3, 1]\n\t     */\n\t    function sampleSize(collection, n, guard) {\n\t      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n\t        n = 1;\n\t      } else {\n\t        n = toInteger(n);\n\t      }\n\t      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n\t      return func(collection, n);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of shuffled values, using a version of the\n\t     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to shuffle.\n\t     * @returns {Array} Returns the new shuffled array.\n\t     * @example\n\t     *\n\t     * _.shuffle([1, 2, 3, 4]);\n\t     * // => [4, 1, 3, 2]\n\t     */\n\t    function shuffle(collection) {\n\t      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n\t      return func(collection);\n\t    }\n\t\n\t    /**\n\t     * Gets the size of `collection` by returning its length for array-like\n\t     * values or the number of own enumerable string keyed properties for objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object|string} collection The collection to inspect.\n\t     * @returns {number} Returns the collection size.\n\t     * @example\n\t     *\n\t     * _.size([1, 2, 3]);\n\t     * // => 3\n\t     *\n\t     * _.size({ 'a': 1, 'b': 2 });\n\t     * // => 2\n\t     *\n\t     * _.size('pebbles');\n\t     * // => 7\n\t     */\n\t    function size(collection) {\n\t      if (collection == null) {\n\t        return 0;\n\t      }\n\t      if (isArrayLike(collection)) {\n\t        return isString(collection) ? stringSize(collection) : collection.length;\n\t      }\n\t      var tag = getTag(collection);\n\t      if (tag == mapTag || tag == setTag) {\n\t        return collection.size;\n\t      }\n\t      return baseKeys(collection).length;\n\t    }\n\t\n\t    /**\n\t     * Checks if `predicate` returns truthy for **any** element of `collection`.\n\t     * Iteration is stopped once `predicate` returns truthy. The predicate is\n\t     * invoked with three arguments: (value, index|key, collection).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {boolean} Returns `true` if any element passes the predicate check,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.some([null, 0, 'yes', false], Boolean);\n\t     * // => true\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'active': true },\n\t     *   { 'user': 'fred',   'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.some(users, { 'user': 'barney', 'active': false });\n\t     * // => false\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.some(users, ['active', false]);\n\t     * // => true\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.some(users, 'active');\n\t     * // => true\n\t     */\n\t    function some(collection, predicate, guard) {\n\t      var func = isArray(collection) ? arraySome : baseSome;\n\t      if (guard && isIterateeCall(collection, predicate, guard)) {\n\t        predicate = undefined;\n\t      }\n\t      return func(collection, getIteratee(predicate, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of elements, sorted in ascending order by the results of\n\t     * running each element in a collection thru each iteratee. This method\n\t     * performs a stable sort, that is, it preserves the original sort order of\n\t     * equal elements. The iteratees are invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Collection\n\t     * @param {Array|Object} collection The collection to iterate over.\n\t     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n\t     *  The iteratees to sort by.\n\t     * @returns {Array} Returns the new sorted array.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'fred',   'age': 48 },\n\t     *   { 'user': 'barney', 'age': 36 },\n\t     *   { 'user': 'fred',   'age': 40 },\n\t     *   { 'user': 'barney', 'age': 34 }\n\t     * ];\n\t     *\n\t     * _.sortBy(users, [function(o) { return o.user; }]);\n\t     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n\t     *\n\t     * _.sortBy(users, ['user', 'age']);\n\t     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n\t     */\n\t    var sortBy = baseRest(function(collection, iteratees) {\n\t      if (collection == null) {\n\t        return [];\n\t      }\n\t      var length = iteratees.length;\n\t      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n\t        iteratees = [];\n\t      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n\t        iteratees = [iteratees[0]];\n\t      }\n\t      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n\t    });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Gets the timestamp of the number of milliseconds that have elapsed since\n\t     * the Unix epoch (1 January 1970 00:00:00 UTC).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Date\n\t     * @returns {number} Returns the timestamp.\n\t     * @example\n\t     *\n\t     * _.defer(function(stamp) {\n\t     *   console.log(_.now() - stamp);\n\t     * }, _.now());\n\t     * // => Logs the number of milliseconds it took for the deferred invocation.\n\t     */\n\t    var now = ctxNow || function() {\n\t      return root.Date.now();\n\t    };\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * The opposite of `_.before`; this method creates a function that invokes\n\t     * `func` once it's called `n` or more times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {number} n The number of calls before `func` is invoked.\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * var saves = ['profile', 'settings'];\n\t     *\n\t     * var done = _.after(saves.length, function() {\n\t     *   console.log('done saving!');\n\t     * });\n\t     *\n\t     * _.forEach(saves, function(type) {\n\t     *   asyncSave({ 'type': type, 'complete': done });\n\t     * });\n\t     * // => Logs 'done saving!' after the two async saves have completed.\n\t     */\n\t    function after(n, func) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      n = toInteger(n);\n\t      return function() {\n\t        if (--n < 1) {\n\t          return func.apply(this, arguments);\n\t        }\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func`, with up to `n` arguments,\n\t     * ignoring any additional arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to cap arguments for.\n\t     * @param {number} [n=func.length] The arity cap.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new capped function.\n\t     * @example\n\t     *\n\t     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n\t     * // => [6, 8, 10]\n\t     */\n\t    function ary(func, n, guard) {\n\t      n = guard ? undefined : n;\n\t      n = (func && n == null) ? func.length : n;\n\t      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func`, with the `this` binding and arguments\n\t     * of the created function, while it's called less than `n` times. Subsequent\n\t     * calls to the created function return the result of the last `func` invocation.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {number} n The number of calls at which `func` is no longer invoked.\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * jQuery(element).on('click', _.before(5, addContactToList));\n\t     * // => Allows adding up to 4 contacts to the list.\n\t     */\n\t    function before(n, func) {\n\t      var result;\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      n = toInteger(n);\n\t      return function() {\n\t        if (--n > 0) {\n\t          result = func.apply(this, arguments);\n\t        }\n\t        if (n <= 1) {\n\t          func = undefined;\n\t        }\n\t        return result;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n\t     * and `partials` prepended to the arguments it receives.\n\t     *\n\t     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n\t     * may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n\t     * property of bound functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to bind.\n\t     * @param {*} thisArg The `this` binding of `func`.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new bound function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, punctuation) {\n\t     *   return greeting + ' ' + this.user + punctuation;\n\t     * }\n\t     *\n\t     * var object = { 'user': 'fred' };\n\t     *\n\t     * var bound = _.bind(greet, object, 'hi');\n\t     * bound('!');\n\t     * // => 'hi fred!'\n\t     *\n\t     * // Bound with placeholders.\n\t     * var bound = _.bind(greet, object, _, '!');\n\t     * bound('hi');\n\t     * // => 'hi fred!'\n\t     */\n\t    var bind = baseRest(function(func, thisArg, partials) {\n\t      var bitmask = WRAP_BIND_FLAG;\n\t      if (partials.length) {\n\t        var holders = replaceHolders(partials, getHolder(bind));\n\t        bitmask |= WRAP_PARTIAL_FLAG;\n\t      }\n\t      return createWrap(func, bitmask, thisArg, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes the method at `object[key]` with `partials`\n\t     * prepended to the arguments it receives.\n\t     *\n\t     * This method differs from `_.bind` by allowing bound functions to reference\n\t     * methods that may be redefined or don't yet exist. See\n\t     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n\t     * for more details.\n\t     *\n\t     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.10.0\n\t     * @category Function\n\t     * @param {Object} object The object to invoke the method on.\n\t     * @param {string} key The key of the method.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new bound function.\n\t     * @example\n\t     *\n\t     * var object = {\n\t     *   'user': 'fred',\n\t     *   'greet': function(greeting, punctuation) {\n\t     *     return greeting + ' ' + this.user + punctuation;\n\t     *   }\n\t     * };\n\t     *\n\t     * var bound = _.bindKey(object, 'greet', 'hi');\n\t     * bound('!');\n\t     * // => 'hi fred!'\n\t     *\n\t     * object.greet = function(greeting, punctuation) {\n\t     *   return greeting + 'ya ' + this.user + punctuation;\n\t     * };\n\t     *\n\t     * bound('!');\n\t     * // => 'hiya fred!'\n\t     *\n\t     * // Bound with placeholders.\n\t     * var bound = _.bindKey(object, 'greet', _, '!');\n\t     * bound('hi');\n\t     * // => 'hiya fred!'\n\t     */\n\t    var bindKey = baseRest(function(object, key, partials) {\n\t      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n\t      if (partials.length) {\n\t        var holders = replaceHolders(partials, getHolder(bindKey));\n\t        bitmask |= WRAP_PARTIAL_FLAG;\n\t      }\n\t      return createWrap(key, bitmask, object, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that accepts arguments of `func` and either invokes\n\t     * `func` returning its result, if at least `arity` number of arguments have\n\t     * been provided, or returns a function that accepts the remaining `func`\n\t     * arguments, and so on. The arity of `func` may be specified if `func.length`\n\t     * is not sufficient.\n\t     *\n\t     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n\t     * may be used as a placeholder for provided arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of curried functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to curry.\n\t     * @param {number} [arity=func.length] The arity of `func`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new curried function.\n\t     * @example\n\t     *\n\t     * var abc = function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * };\n\t     *\n\t     * var curried = _.curry(abc);\n\t     *\n\t     * curried(1)(2)(3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2)(3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2, 3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * // Curried with placeholders.\n\t     * curried(1)(_, 3)(2);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function curry(func, arity, guard) {\n\t      arity = guard ? undefined : arity;\n\t      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n\t      result.placeholder = curry.placeholder;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.curry` except that arguments are applied to `func`\n\t     * in the manner of `_.partialRight` instead of `_.partial`.\n\t     *\n\t     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for provided arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of curried functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to curry.\n\t     * @param {number} [arity=func.length] The arity of `func`.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the new curried function.\n\t     * @example\n\t     *\n\t     * var abc = function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * };\n\t     *\n\t     * var curried = _.curryRight(abc);\n\t     *\n\t     * curried(3)(2)(1);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(2, 3)(1);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * curried(1, 2, 3);\n\t     * // => [1, 2, 3]\n\t     *\n\t     * // Curried with placeholders.\n\t     * curried(3)(1, _)(2);\n\t     * // => [1, 2, 3]\n\t     */\n\t    function curryRight(func, arity, guard) {\n\t      arity = guard ? undefined : arity;\n\t      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n\t      result.placeholder = curryRight.placeholder;\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates a debounced function that delays invoking `func` until after `wait`\n\t     * milliseconds have elapsed since the last time the debounced function was\n\t     * invoked. The debounced function comes with a `cancel` method to cancel\n\t     * delayed `func` invocations and a `flush` method to immediately invoke them.\n\t     * Provide `options` to indicate whether `func` should be invoked on the\n\t     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n\t     * with the last arguments provided to the debounced function. Subsequent\n\t     * calls to the debounced function return the result of the last `func`\n\t     * invocation.\n\t     *\n\t     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n\t     * invoked on the trailing edge of the timeout only if the debounced function\n\t     * is invoked more than once during the `wait` timeout.\n\t     *\n\t     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n\t     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n\t     *\n\t     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n\t     * for details over the differences between `_.debounce` and `_.throttle`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to debounce.\n\t     * @param {number} [wait=0] The number of milliseconds to delay.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.leading=false]\n\t     *  Specify invoking on the leading edge of the timeout.\n\t     * @param {number} [options.maxWait]\n\t     *  The maximum time `func` is allowed to be delayed before it's invoked.\n\t     * @param {boolean} [options.trailing=true]\n\t     *  Specify invoking on the trailing edge of the timeout.\n\t     * @returns {Function} Returns the new debounced function.\n\t     * @example\n\t     *\n\t     * // Avoid costly calculations while the window size is in flux.\n\t     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n\t     *\n\t     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n\t     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n\t     *   'leading': true,\n\t     *   'trailing': false\n\t     * }));\n\t     *\n\t     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n\t     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n\t     * var source = new EventSource('/stream');\n\t     * jQuery(source).on('message', debounced);\n\t     *\n\t     * // Cancel the trailing debounced invocation.\n\t     * jQuery(window).on('popstate', debounced.cancel);\n\t     */\n\t    function debounce(func, wait, options) {\n\t      var lastArgs,\n\t          lastThis,\n\t          maxWait,\n\t          result,\n\t          timerId,\n\t          lastCallTime,\n\t          lastInvokeTime = 0,\n\t          leading = false,\n\t          maxing = false,\n\t          trailing = true;\n\t\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      wait = toNumber(wait) || 0;\n\t      if (isObject(options)) {\n\t        leading = !!options.leading;\n\t        maxing = 'maxWait' in options;\n\t        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n\t        trailing = 'trailing' in options ? !!options.trailing : trailing;\n\t      }\n\t\n\t      function invokeFunc(time) {\n\t        var args = lastArgs,\n\t            thisArg = lastThis;\n\t\n\t        lastArgs = lastThis = undefined;\n\t        lastInvokeTime = time;\n\t        result = func.apply(thisArg, args);\n\t        return result;\n\t      }\n\t\n\t      function leadingEdge(time) {\n\t        // Reset any `maxWait` timer.\n\t        lastInvokeTime = time;\n\t        // Start the timer for the trailing edge.\n\t        timerId = setTimeout(timerExpired, wait);\n\t        // Invoke the leading edge.\n\t        return leading ? invokeFunc(time) : result;\n\t      }\n\t\n\t      function remainingWait(time) {\n\t        var timeSinceLastCall = time - lastCallTime,\n\t            timeSinceLastInvoke = time - lastInvokeTime,\n\t            result = wait - timeSinceLastCall;\n\t\n\t        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n\t      }\n\t\n\t      function shouldInvoke(time) {\n\t        var timeSinceLastCall = time - lastCallTime,\n\t            timeSinceLastInvoke = time - lastInvokeTime;\n\t\n\t        // Either this is the first call, activity has stopped and we're at the\n\t        // trailing edge, the system time has gone backwards and we're treating\n\t        // it as the trailing edge, or we've hit the `maxWait` limit.\n\t        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n\t          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n\t      }\n\t\n\t      function timerExpired() {\n\t        var time = now();\n\t        if (shouldInvoke(time)) {\n\t          return trailingEdge(time);\n\t        }\n\t        // Restart the timer.\n\t        timerId = setTimeout(timerExpired, remainingWait(time));\n\t      }\n\t\n\t      function trailingEdge(time) {\n\t        timerId = undefined;\n\t\n\t        // Only invoke if we have `lastArgs` which means `func` has been\n\t        // debounced at least once.\n\t        if (trailing && lastArgs) {\n\t          return invokeFunc(time);\n\t        }\n\t        lastArgs = lastThis = undefined;\n\t        return result;\n\t      }\n\t\n\t      function cancel() {\n\t        if (timerId !== undefined) {\n\t          clearTimeout(timerId);\n\t        }\n\t        lastInvokeTime = 0;\n\t        lastArgs = lastCallTime = lastThis = timerId = undefined;\n\t      }\n\t\n\t      function flush() {\n\t        return timerId === undefined ? result : trailingEdge(now());\n\t      }\n\t\n\t      function debounced() {\n\t        var time = now(),\n\t            isInvoking = shouldInvoke(time);\n\t\n\t        lastArgs = arguments;\n\t        lastThis = this;\n\t        lastCallTime = time;\n\t\n\t        if (isInvoking) {\n\t          if (timerId === undefined) {\n\t            return leadingEdge(lastCallTime);\n\t          }\n\t          if (maxing) {\n\t            // Handle invocations in a tight loop.\n\t            timerId = setTimeout(timerExpired, wait);\n\t            return invokeFunc(lastCallTime);\n\t          }\n\t        }\n\t        if (timerId === undefined) {\n\t          timerId = setTimeout(timerExpired, wait);\n\t        }\n\t        return result;\n\t      }\n\t      debounced.cancel = cancel;\n\t      debounced.flush = flush;\n\t      return debounced;\n\t    }\n\t\n\t    /**\n\t     * Defers invoking the `func` until the current call stack has cleared. Any\n\t     * additional arguments are provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to defer.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {number} Returns the timer id.\n\t     * @example\n\t     *\n\t     * _.defer(function(text) {\n\t     *   console.log(text);\n\t     * }, 'deferred');\n\t     * // => Logs 'deferred' after one millisecond.\n\t     */\n\t    var defer = baseRest(function(func, args) {\n\t      return baseDelay(func, 1, args);\n\t    });\n\t\n\t    /**\n\t     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n\t     * provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to delay.\n\t     * @param {number} wait The number of milliseconds to delay invocation.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {number} Returns the timer id.\n\t     * @example\n\t     *\n\t     * _.delay(function(text) {\n\t     *   console.log(text);\n\t     * }, 1000, 'later');\n\t     * // => Logs 'later' after one second.\n\t     */\n\t    var delay = baseRest(function(func, wait, args) {\n\t      return baseDelay(func, toNumber(wait) || 0, args);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with arguments reversed.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to flip arguments for.\n\t     * @returns {Function} Returns the new flipped function.\n\t     * @example\n\t     *\n\t     * var flipped = _.flip(function() {\n\t     *   return _.toArray(arguments);\n\t     * });\n\t     *\n\t     * flipped('a', 'b', 'c', 'd');\n\t     * // => ['d', 'c', 'b', 'a']\n\t     */\n\t    function flip(func) {\n\t      return createWrap(func, WRAP_FLIP_FLAG);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that memoizes the result of `func`. If `resolver` is\n\t     * provided, it determines the cache key for storing the result based on the\n\t     * arguments provided to the memoized function. By default, the first argument\n\t     * provided to the memoized function is used as the map cache key. The `func`\n\t     * is invoked with the `this` binding of the memoized function.\n\t     *\n\t     * **Note:** The cache is exposed as the `cache` property on the memoized\n\t     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n\t     * constructor with one whose instances implement the\n\t     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n\t     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to have its output memoized.\n\t     * @param {Function} [resolver] The function to resolve the cache key.\n\t     * @returns {Function} Returns the new memoized function.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     * var other = { 'c': 3, 'd': 4 };\n\t     *\n\t     * var values = _.memoize(_.values);\n\t     * values(object);\n\t     * // => [1, 2]\n\t     *\n\t     * values(other);\n\t     * // => [3, 4]\n\t     *\n\t     * object.a = 2;\n\t     * values(object);\n\t     * // => [1, 2]\n\t     *\n\t     * // Modify the result cache.\n\t     * values.cache.set(object, ['a', 'b']);\n\t     * values(object);\n\t     * // => ['a', 'b']\n\t     *\n\t     * // Replace `_.memoize.Cache`.\n\t     * _.memoize.Cache = WeakMap;\n\t     */\n\t    function memoize(func, resolver) {\n\t      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      var memoized = function() {\n\t        var args = arguments,\n\t            key = resolver ? resolver.apply(this, args) : args[0],\n\t            cache = memoized.cache;\n\t\n\t        if (cache.has(key)) {\n\t          return cache.get(key);\n\t        }\n\t        var result = func.apply(this, args);\n\t        memoized.cache = cache.set(key, result) || cache;\n\t        return result;\n\t      };\n\t      memoized.cache = new (memoize.Cache || MapCache);\n\t      return memoized;\n\t    }\n\t\n\t    // Expose `MapCache`.\n\t    memoize.Cache = MapCache;\n\t\n\t    /**\n\t     * Creates a function that negates the result of the predicate `func`. The\n\t     * `func` predicate is invoked with the `this` binding and arguments of the\n\t     * created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} predicate The predicate to negate.\n\t     * @returns {Function} Returns the new negated function.\n\t     * @example\n\t     *\n\t     * function isEven(n) {\n\t     *   return n % 2 == 0;\n\t     * }\n\t     *\n\t     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n\t     * // => [1, 3, 5]\n\t     */\n\t    function negate(predicate) {\n\t      if (typeof predicate != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      return function() {\n\t        var args = arguments;\n\t        switch (args.length) {\n\t          case 0: return !predicate.call(this);\n\t          case 1: return !predicate.call(this, args[0]);\n\t          case 2: return !predicate.call(this, args[0], args[1]);\n\t          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n\t        }\n\t        return !predicate.apply(this, args);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates a function that is restricted to invoking `func` once. Repeat calls\n\t     * to the function return the value of the first invocation. The `func` is\n\t     * invoked with the `this` binding and arguments of the created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to restrict.\n\t     * @returns {Function} Returns the new restricted function.\n\t     * @example\n\t     *\n\t     * var initialize = _.once(createApplication);\n\t     * initialize();\n\t     * initialize();\n\t     * // => `createApplication` is invoked once\n\t     */\n\t    function once(func) {\n\t      return before(2, func);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with its arguments transformed.\n\t     *\n\t     * @static\n\t     * @since 4.0.0\n\t     * @memberOf _\n\t     * @category Function\n\t     * @param {Function} func The function to wrap.\n\t     * @param {...(Function|Function[])} [transforms=[_.identity]]\n\t     *  The argument transforms.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * function doubled(n) {\n\t     *   return n * 2;\n\t     * }\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var func = _.overArgs(function(x, y) {\n\t     *   return [x, y];\n\t     * }, [square, doubled]);\n\t     *\n\t     * func(9, 3);\n\t     * // => [81, 6]\n\t     *\n\t     * func(10, 5);\n\t     * // => [100, 10]\n\t     */\n\t    var overArgs = castRest(function(func, transforms) {\n\t      transforms = (transforms.length == 1 && isArray(transforms[0]))\n\t        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n\t        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\t\n\t      var funcsLength = transforms.length;\n\t      return baseRest(function(args) {\n\t        var index = -1,\n\t            length = nativeMin(args.length, funcsLength);\n\t\n\t        while (++index < length) {\n\t          args[index] = transforms[index].call(this, args[index]);\n\t        }\n\t        return apply(func, this, args);\n\t      });\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with `partials` prepended to the\n\t     * arguments it receives. This method is like `_.bind` except it does **not**\n\t     * alter the `this` binding.\n\t     *\n\t     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of partially\n\t     * applied functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.2.0\n\t     * @category Function\n\t     * @param {Function} func The function to partially apply arguments to.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new partially applied function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, name) {\n\t     *   return greeting + ' ' + name;\n\t     * }\n\t     *\n\t     * var sayHelloTo = _.partial(greet, 'hello');\n\t     * sayHelloTo('fred');\n\t     * // => 'hello fred'\n\t     *\n\t     * // Partially applied with placeholders.\n\t     * var greetFred = _.partial(greet, _, 'fred');\n\t     * greetFred('hi');\n\t     * // => 'hi fred'\n\t     */\n\t    var partial = baseRest(function(func, partials) {\n\t      var holders = replaceHolders(partials, getHolder(partial));\n\t      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.partial` except that partially applied arguments\n\t     * are appended to the arguments it receives.\n\t     *\n\t     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n\t     * builds, may be used as a placeholder for partially applied arguments.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of partially\n\t     * applied functions.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to partially apply arguments to.\n\t     * @param {...*} [partials] The arguments to be partially applied.\n\t     * @returns {Function} Returns the new partially applied function.\n\t     * @example\n\t     *\n\t     * function greet(greeting, name) {\n\t     *   return greeting + ' ' + name;\n\t     * }\n\t     *\n\t     * var greetFred = _.partialRight(greet, 'fred');\n\t     * greetFred('hi');\n\t     * // => 'hi fred'\n\t     *\n\t     * // Partially applied with placeholders.\n\t     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n\t     * sayHelloTo('fred');\n\t     * // => 'hello fred'\n\t     */\n\t    var partialRight = baseRest(function(func, partials) {\n\t      var holders = replaceHolders(partials, getHolder(partialRight));\n\t      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with arguments arranged according\n\t     * to the specified `indexes` where the argument value at the first index is\n\t     * provided as the first argument, the argument value at the second index is\n\t     * provided as the second argument, and so on.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to rearrange arguments for.\n\t     * @param {...(number|number[])} indexes The arranged argument indexes.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var rearged = _.rearg(function(a, b, c) {\n\t     *   return [a, b, c];\n\t     * }, [2, 0, 1]);\n\t     *\n\t     * rearged('b', 'c', 'a')\n\t     * // => ['a', 'b', 'c']\n\t     */\n\t    var rearg = flatRest(function(func, indexes) {\n\t      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n\t    });\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of the\n\t     * created function and arguments from `start` and beyond provided as\n\t     * an array.\n\t     *\n\t     * **Note:** This method is based on the\n\t     * [rest parameter](https://mdn.io/rest_parameters).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to apply a rest parameter to.\n\t     * @param {number} [start=func.length-1] The start position of the rest parameter.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var say = _.rest(function(what, names) {\n\t     *   return what + ' ' + _.initial(names).join(', ') +\n\t     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n\t     * });\n\t     *\n\t     * say('hello', 'fred', 'barney', 'pebbles');\n\t     * // => 'hello fred, barney, & pebbles'\n\t     */\n\t    function rest(func, start) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      start = start === undefined ? start : toInteger(start);\n\t      return baseRest(func, start);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the `this` binding of the\n\t     * create function and an array of arguments much like\n\t     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n\t     *\n\t     * **Note:** This method is based on the\n\t     * [spread operator](https://mdn.io/spread_operator).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Function\n\t     * @param {Function} func The function to spread arguments over.\n\t     * @param {number} [start=0] The start position of the spread.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var say = _.spread(function(who, what) {\n\t     *   return who + ' says ' + what;\n\t     * });\n\t     *\n\t     * say(['fred', 'hello']);\n\t     * // => 'fred says hello'\n\t     *\n\t     * var numbers = Promise.all([\n\t     *   Promise.resolve(40),\n\t     *   Promise.resolve(36)\n\t     * ]);\n\t     *\n\t     * numbers.then(_.spread(function(x, y) {\n\t     *   return x + y;\n\t     * }));\n\t     * // => a Promise of 76\n\t     */\n\t    function spread(func, start) {\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n\t      return baseRest(function(args) {\n\t        var array = args[start],\n\t            otherArgs = castSlice(args, 0, start);\n\t\n\t        if (array) {\n\t          arrayPush(otherArgs, array);\n\t        }\n\t        return apply(func, this, otherArgs);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a throttled function that only invokes `func` at most once per\n\t     * every `wait` milliseconds. The throttled function comes with a `cancel`\n\t     * method to cancel delayed `func` invocations and a `flush` method to\n\t     * immediately invoke them. Provide `options` to indicate whether `func`\n\t     * should be invoked on the leading and/or trailing edge of the `wait`\n\t     * timeout. The `func` is invoked with the last arguments provided to the\n\t     * throttled function. Subsequent calls to the throttled function return the\n\t     * result of the last `func` invocation.\n\t     *\n\t     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n\t     * invoked on the trailing edge of the timeout only if the throttled function\n\t     * is invoked more than once during the `wait` timeout.\n\t     *\n\t     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n\t     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n\t     *\n\t     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n\t     * for details over the differences between `_.throttle` and `_.debounce`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {Function} func The function to throttle.\n\t     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.leading=true]\n\t     *  Specify invoking on the leading edge of the timeout.\n\t     * @param {boolean} [options.trailing=true]\n\t     *  Specify invoking on the trailing edge of the timeout.\n\t     * @returns {Function} Returns the new throttled function.\n\t     * @example\n\t     *\n\t     * // Avoid excessively updating the position while scrolling.\n\t     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n\t     *\n\t     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n\t     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n\t     * jQuery(element).on('click', throttled);\n\t     *\n\t     * // Cancel the trailing throttled invocation.\n\t     * jQuery(window).on('popstate', throttled.cancel);\n\t     */\n\t    function throttle(func, wait, options) {\n\t      var leading = true,\n\t          trailing = true;\n\t\n\t      if (typeof func != 'function') {\n\t        throw new TypeError(FUNC_ERROR_TEXT);\n\t      }\n\t      if (isObject(options)) {\n\t        leading = 'leading' in options ? !!options.leading : leading;\n\t        trailing = 'trailing' in options ? !!options.trailing : trailing;\n\t      }\n\t      return debounce(func, wait, {\n\t        'leading': leading,\n\t        'maxWait': wait,\n\t        'trailing': trailing\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that accepts up to one argument, ignoring any\n\t     * additional arguments.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Function\n\t     * @param {Function} func The function to cap arguments for.\n\t     * @returns {Function} Returns the new capped function.\n\t     * @example\n\t     *\n\t     * _.map(['6', '8', '10'], _.unary(parseInt));\n\t     * // => [6, 8, 10]\n\t     */\n\t    function unary(func) {\n\t      return ary(func, 1);\n\t    }\n\t\n\t    /**\n\t     * Creates a function that provides `value` to `wrapper` as its first\n\t     * argument. Any additional arguments provided to the function are appended\n\t     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n\t     * binding of the created function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Function\n\t     * @param {*} value The value to wrap.\n\t     * @param {Function} [wrapper=identity] The wrapper function.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var p = _.wrap(_.escape, function(func, text) {\n\t     *   return '<p>' + func(text) + '</p>';\n\t     * });\n\t     *\n\t     * p('fred, barney, & pebbles');\n\t     * // => '<p>fred, barney, &amp; pebbles</p>'\n\t     */\n\t    function wrap(value, wrapper) {\n\t      return partial(castFunction(wrapper), value);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Casts `value` as an array if it's not one.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.4.0\n\t     * @category Lang\n\t     * @param {*} value The value to inspect.\n\t     * @returns {Array} Returns the cast array.\n\t     * @example\n\t     *\n\t     * _.castArray(1);\n\t     * // => [1]\n\t     *\n\t     * _.castArray({ 'a': 1 });\n\t     * // => [{ 'a': 1 }]\n\t     *\n\t     * _.castArray('abc');\n\t     * // => ['abc']\n\t     *\n\t     * _.castArray(null);\n\t     * // => [null]\n\t     *\n\t     * _.castArray(undefined);\n\t     * // => [undefined]\n\t     *\n\t     * _.castArray();\n\t     * // => []\n\t     *\n\t     * var array = [1, 2, 3];\n\t     * console.log(_.castArray(array) === array);\n\t     * // => true\n\t     */\n\t    function castArray() {\n\t      if (!arguments.length) {\n\t        return [];\n\t      }\n\t      var value = arguments[0];\n\t      return isArray(value) ? value : [value];\n\t    }\n\t\n\t    /**\n\t     * Creates a shallow clone of `value`.\n\t     *\n\t     * **Note:** This method is loosely based on the\n\t     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n\t     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n\t     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n\t     * arrays. The own enumerable properties of `arguments` objects are cloned\n\t     * as plain objects. An empty object is returned for uncloneable values such\n\t     * as error objects, functions, DOM nodes, and WeakMaps.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to clone.\n\t     * @returns {*} Returns the cloned value.\n\t     * @see _.cloneDeep\n\t     * @example\n\t     *\n\t     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t     *\n\t     * var shallow = _.clone(objects);\n\t     * console.log(shallow[0] === objects[0]);\n\t     * // => true\n\t     */\n\t    function clone(value) {\n\t      return baseClone(value, CLONE_SYMBOLS_FLAG);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.clone` except that it accepts `customizer` which\n\t     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n\t     * cloning is handled by the method instead. The `customizer` is invoked with\n\t     * up to four arguments; (value [, index|key, object, stack]).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to clone.\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @returns {*} Returns the cloned value.\n\t     * @see _.cloneDeepWith\n\t     * @example\n\t     *\n\t     * function customizer(value) {\n\t     *   if (_.isElement(value)) {\n\t     *     return value.cloneNode(false);\n\t     *   }\n\t     * }\n\t     *\n\t     * var el = _.cloneWith(document.body, customizer);\n\t     *\n\t     * console.log(el === document.body);\n\t     * // => false\n\t     * console.log(el.nodeName);\n\t     * // => 'BODY'\n\t     * console.log(el.childNodes.length);\n\t     * // => 0\n\t     */\n\t    function cloneWith(value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.clone` except that it recursively clones `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to recursively clone.\n\t     * @returns {*} Returns the deep cloned value.\n\t     * @see _.clone\n\t     * @example\n\t     *\n\t     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t     *\n\t     * var deep = _.cloneDeep(objects);\n\t     * console.log(deep[0] === objects[0]);\n\t     * // => false\n\t     */\n\t    function cloneDeep(value) {\n\t      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.cloneWith` except that it recursively clones `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to recursively clone.\n\t     * @param {Function} [customizer] The function to customize cloning.\n\t     * @returns {*} Returns the deep cloned value.\n\t     * @see _.cloneWith\n\t     * @example\n\t     *\n\t     * function customizer(value) {\n\t     *   if (_.isElement(value)) {\n\t     *     return value.cloneNode(true);\n\t     *   }\n\t     * }\n\t     *\n\t     * var el = _.cloneDeepWith(document.body, customizer);\n\t     *\n\t     * console.log(el === document.body);\n\t     * // => false\n\t     * console.log(el.nodeName);\n\t     * // => 'BODY'\n\t     * console.log(el.childNodes.length);\n\t     * // => 20\n\t     */\n\t    function cloneDeepWith(value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n\t    }\n\t\n\t    /**\n\t     * Checks if `object` conforms to `source` by invoking the predicate\n\t     * properties of `source` with the corresponding property values of `object`.\n\t     *\n\t     * **Note:** This method is equivalent to `_.conforms` when `source` is\n\t     * partially applied.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.14.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     *\n\t     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n\t     * // => true\n\t     *\n\t     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n\t     * // => false\n\t     */\n\t    function conformsTo(object, source) {\n\t      return source == null || baseConformsTo(object, source, keys(source));\n\t    }\n\t\n\t    /**\n\t     * Performs a\n\t     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n\t     * comparison between two values to determine if they are equivalent.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     * var other = { 'a': 1 };\n\t     *\n\t     * _.eq(object, object);\n\t     * // => true\n\t     *\n\t     * _.eq(object, other);\n\t     * // => false\n\t     *\n\t     * _.eq('a', 'a');\n\t     * // => true\n\t     *\n\t     * _.eq('a', Object('a'));\n\t     * // => false\n\t     *\n\t     * _.eq(NaN, NaN);\n\t     * // => true\n\t     */\n\t    function eq(value, other) {\n\t      return value === other || (value !== value && other !== other);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is greater than `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t     *  else `false`.\n\t     * @see _.lt\n\t     * @example\n\t     *\n\t     * _.gt(3, 1);\n\t     * // => true\n\t     *\n\t     * _.gt(3, 3);\n\t     * // => false\n\t     *\n\t     * _.gt(1, 3);\n\t     * // => false\n\t     */\n\t    var gt = createRelationalOperation(baseGt);\n\t\n\t    /**\n\t     * Checks if `value` is greater than or equal to `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n\t     *  `other`, else `false`.\n\t     * @see _.lte\n\t     * @example\n\t     *\n\t     * _.gte(3, 1);\n\t     * // => true\n\t     *\n\t     * _.gte(3, 3);\n\t     * // => true\n\t     *\n\t     * _.gte(1, 3);\n\t     * // => false\n\t     */\n\t    var gte = createRelationalOperation(function(value, other) {\n\t      return value >= other;\n\t    });\n\t\n\t    /**\n\t     * Checks if `value` is likely an `arguments` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isArguments(function() { return arguments; }());\n\t     * // => true\n\t     *\n\t     * _.isArguments([1, 2, 3]);\n\t     * // => false\n\t     */\n\t    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n\t      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n\t        !propertyIsEnumerable.call(value, 'callee');\n\t    };\n\t\n\t    /**\n\t     * Checks if `value` is classified as an `Array` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArray([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArray(document.body.children);\n\t     * // => false\n\t     *\n\t     * _.isArray('abc');\n\t     * // => false\n\t     *\n\t     * _.isArray(_.noop);\n\t     * // => false\n\t     */\n\t    var isArray = Array.isArray;\n\t\n\t    /**\n\t     * Checks if `value` is classified as an `ArrayBuffer` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayBuffer(new ArrayBuffer(2));\n\t     * // => true\n\t     *\n\t     * _.isArrayBuffer(new Array(2));\n\t     * // => false\n\t     */\n\t    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\t\n\t    /**\n\t     * Checks if `value` is array-like. A value is considered array-like if it's\n\t     * not a function and has a `value.length` that's an integer greater than or\n\t     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayLike([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArrayLike(document.body.children);\n\t     * // => true\n\t     *\n\t     * _.isArrayLike('abc');\n\t     * // => true\n\t     *\n\t     * _.isArrayLike(_.noop);\n\t     * // => false\n\t     */\n\t    function isArrayLike(value) {\n\t      return value != null && isLength(value.length) && !isFunction(value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isArrayLike` except that it also checks if `value`\n\t     * is an object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an array-like object,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isArrayLikeObject([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isArrayLikeObject(document.body.children);\n\t     * // => true\n\t     *\n\t     * _.isArrayLikeObject('abc');\n\t     * // => false\n\t     *\n\t     * _.isArrayLikeObject(_.noop);\n\t     * // => false\n\t     */\n\t    function isArrayLikeObject(value) {\n\t      return isObjectLike(value) && isArrayLike(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a boolean primitive or object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n\t     * @example\n\t     *\n\t     * _.isBoolean(false);\n\t     * // => true\n\t     *\n\t     * _.isBoolean(null);\n\t     * // => false\n\t     */\n\t    function isBoolean(value) {\n\t      return value === true || value === false ||\n\t        (isObjectLike(value) && baseGetTag(value) == boolTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a buffer.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isBuffer(new Buffer(2));\n\t     * // => true\n\t     *\n\t     * _.isBuffer(new Uint8Array(2));\n\t     * // => false\n\t     */\n\t    var isBuffer = nativeIsBuffer || stubFalse;\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Date` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isDate(new Date);\n\t     * // => true\n\t     *\n\t     * _.isDate('Mon April 23 2012');\n\t     * // => false\n\t     */\n\t    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\t\n\t    /**\n\t     * Checks if `value` is likely a DOM element.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n\t     * @example\n\t     *\n\t     * _.isElement(document.body);\n\t     * // => true\n\t     *\n\t     * _.isElement('<body>');\n\t     * // => false\n\t     */\n\t    function isElement(value) {\n\t      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an empty object, collection, map, or set.\n\t     *\n\t     * Objects are considered empty if they have no own enumerable string keyed\n\t     * properties.\n\t     *\n\t     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n\t     * jQuery-like collections are considered empty if they have a `length` of `0`.\n\t     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n\t     * @example\n\t     *\n\t     * _.isEmpty(null);\n\t     * // => true\n\t     *\n\t     * _.isEmpty(true);\n\t     * // => true\n\t     *\n\t     * _.isEmpty(1);\n\t     * // => true\n\t     *\n\t     * _.isEmpty([1, 2, 3]);\n\t     * // => false\n\t     *\n\t     * _.isEmpty({ 'a': 1 });\n\t     * // => false\n\t     */\n\t    function isEmpty(value) {\n\t      if (value == null) {\n\t        return true;\n\t      }\n\t      if (isArrayLike(value) &&\n\t          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n\t            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n\t        return !value.length;\n\t      }\n\t      var tag = getTag(value);\n\t      if (tag == mapTag || tag == setTag) {\n\t        return !value.size;\n\t      }\n\t      if (isPrototype(value)) {\n\t        return !baseKeys(value).length;\n\t      }\n\t      for (var key in value) {\n\t        if (hasOwnProperty.call(value, key)) {\n\t          return false;\n\t        }\n\t      }\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Performs a deep comparison between two values to determine if they are\n\t     * equivalent.\n\t     *\n\t     * **Note:** This method supports comparing arrays, array buffers, booleans,\n\t     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n\t     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n\t     * by their own, not inherited, enumerable properties. Functions and DOM\n\t     * nodes are compared by strict equality, i.e. `===`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     * var other = { 'a': 1 };\n\t     *\n\t     * _.isEqual(object, other);\n\t     * // => true\n\t     *\n\t     * object === other;\n\t     * // => false\n\t     */\n\t    function isEqual(value, other) {\n\t      return baseIsEqual(value, other);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isEqual` except that it accepts `customizer` which\n\t     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t     * are handled by the method instead. The `customizer` is invoked with up to\n\t     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t     * @example\n\t     *\n\t     * function isGreeting(value) {\n\t     *   return /^h(?:i|ello)$/.test(value);\n\t     * }\n\t     *\n\t     * function customizer(objValue, othValue) {\n\t     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n\t     *     return true;\n\t     *   }\n\t     * }\n\t     *\n\t     * var array = ['hello', 'goodbye'];\n\t     * var other = ['hi', 'goodbye'];\n\t     *\n\t     * _.isEqualWith(array, other, customizer);\n\t     * // => true\n\t     */\n\t    function isEqualWith(value, other, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      var result = customizer ? customizer(value, other) : undefined;\n\t      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n\t     * `SyntaxError`, `TypeError`, or `URIError` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isError(new Error);\n\t     * // => true\n\t     *\n\t     * _.isError(Error);\n\t     * // => false\n\t     */\n\t    function isError(value) {\n\t      if (!isObjectLike(value)) {\n\t        return false;\n\t      }\n\t      var tag = baseGetTag(value);\n\t      return tag == errorTag || tag == domExcTag ||\n\t        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a finite primitive number.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n\t     * @example\n\t     *\n\t     * _.isFinite(3);\n\t     * // => true\n\t     *\n\t     * _.isFinite(Number.MIN_VALUE);\n\t     * // => true\n\t     *\n\t     * _.isFinite(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isFinite('3');\n\t     * // => false\n\t     */\n\t    function isFinite(value) {\n\t      return typeof value == 'number' && nativeIsFinite(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Function` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n\t     * @example\n\t     *\n\t     * _.isFunction(_);\n\t     * // => true\n\t     *\n\t     * _.isFunction(/abc/);\n\t     * // => false\n\t     */\n\t    function isFunction(value) {\n\t      if (!isObject(value)) {\n\t        return false;\n\t      }\n\t      // The use of `Object#toString` avoids issues with the `typeof` operator\n\t      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n\t      var tag = baseGetTag(value);\n\t      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is an integer.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isInteger(3);\n\t     * // => true\n\t     *\n\t     * _.isInteger(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isInteger(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isInteger('3');\n\t     * // => false\n\t     */\n\t    function isInteger(value) {\n\t      return typeof value == 'number' && value == toInteger(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a valid array-like length.\n\t     *\n\t     * **Note:** This method is loosely based on\n\t     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n\t     * @example\n\t     *\n\t     * _.isLength(3);\n\t     * // => true\n\t     *\n\t     * _.isLength(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isLength(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isLength('3');\n\t     * // => false\n\t     */\n\t    function isLength(value) {\n\t      return typeof value == 'number' &&\n\t        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is the\n\t     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n\t     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n\t     * @example\n\t     *\n\t     * _.isObject({});\n\t     * // => true\n\t     *\n\t     * _.isObject([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isObject(_.noop);\n\t     * // => true\n\t     *\n\t     * _.isObject(null);\n\t     * // => false\n\t     */\n\t    function isObject(value) {\n\t      var type = typeof value;\n\t      return value != null && (type == 'object' || type == 'function');\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is object-like. A value is object-like if it's not `null`\n\t     * and has a `typeof` result of \"object\".\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n\t     * @example\n\t     *\n\t     * _.isObjectLike({});\n\t     * // => true\n\t     *\n\t     * _.isObjectLike([1, 2, 3]);\n\t     * // => true\n\t     *\n\t     * _.isObjectLike(_.noop);\n\t     * // => false\n\t     *\n\t     * _.isObjectLike(null);\n\t     * // => false\n\t     */\n\t    function isObjectLike(value) {\n\t      return value != null && typeof value == 'object';\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Map` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n\t     * @example\n\t     *\n\t     * _.isMap(new Map);\n\t     * // => true\n\t     *\n\t     * _.isMap(new WeakMap);\n\t     * // => false\n\t     */\n\t    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\t\n\t    /**\n\t     * Performs a partial deep comparison between `object` and `source` to\n\t     * determine if `object` contains equivalent property values.\n\t     *\n\t     * **Note:** This method is equivalent to `_.matches` when `source` is\n\t     * partially applied.\n\t     *\n\t     * Partial comparisons will match empty array and empty object `source`\n\t     * values against any array or object value, respectively. See `_.isEqual`\n\t     * for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2 };\n\t     *\n\t     * _.isMatch(object, { 'b': 2 });\n\t     * // => true\n\t     *\n\t     * _.isMatch(object, { 'b': 1 });\n\t     * // => false\n\t     */\n\t    function isMatch(object, source) {\n\t      return object === source || baseIsMatch(object, source, getMatchData(source));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.isMatch` except that it accepts `customizer` which\n\t     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t     * are handled by the method instead. The `customizer` is invoked with five\n\t     * arguments: (objValue, srcValue, index|key, object, source).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Object} source The object of property values to match.\n\t     * @param {Function} [customizer] The function to customize comparisons.\n\t     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t     * @example\n\t     *\n\t     * function isGreeting(value) {\n\t     *   return /^h(?:i|ello)$/.test(value);\n\t     * }\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n\t     *     return true;\n\t     *   }\n\t     * }\n\t     *\n\t     * var object = { 'greeting': 'hello' };\n\t     * var source = { 'greeting': 'hi' };\n\t     *\n\t     * _.isMatchWith(object, source, customizer);\n\t     * // => true\n\t     */\n\t    function isMatchWith(object, source, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return baseIsMatch(object, source, getMatchData(source), customizer);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `NaN`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n\t     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n\t     * `undefined` and other non-number values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNaN(NaN);\n\t     * // => true\n\t     *\n\t     * _.isNaN(new Number(NaN));\n\t     * // => true\n\t     *\n\t     * isNaN(undefined);\n\t     * // => true\n\t     *\n\t     * _.isNaN(undefined);\n\t     * // => false\n\t     */\n\t    function isNaN(value) {\n\t      // An `NaN` primitive is the only value that is not equal to itself.\n\t      // Perform the `toStringTag` check first to avoid errors with some\n\t      // ActiveX objects in IE.\n\t      return isNumber(value) && value != +value;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a pristine native function.\n\t     *\n\t     * **Note:** This method can't reliably detect native functions in the presence\n\t     * of the core-js package because core-js circumvents this kind of detection.\n\t     * Despite multiple requests, the core-js maintainer has made it clear: any\n\t     * attempt to fix the detection will be obstructed. As a result, we're left\n\t     * with little choice but to throw an error. Unfortunately, this also affects\n\t     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n\t     * which rely on core-js.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a native function,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.isNative(Array.prototype.push);\n\t     * // => true\n\t     *\n\t     * _.isNative(_);\n\t     * // => false\n\t     */\n\t    function isNative(value) {\n\t      if (isMaskable(value)) {\n\t        throw new Error(CORE_ERROR_TEXT);\n\t      }\n\t      return baseIsNative(value);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `null`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNull(null);\n\t     * // => true\n\t     *\n\t     * _.isNull(void 0);\n\t     * // => false\n\t     */\n\t    function isNull(value) {\n\t      return value === null;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is `null` or `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNil(null);\n\t     * // => true\n\t     *\n\t     * _.isNil(void 0);\n\t     * // => true\n\t     *\n\t     * _.isNil(NaN);\n\t     * // => false\n\t     */\n\t    function isNil(value) {\n\t      return value == null;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Number` primitive or object.\n\t     *\n\t     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n\t     * classified as numbers, use the `_.isFinite` method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n\t     * @example\n\t     *\n\t     * _.isNumber(3);\n\t     * // => true\n\t     *\n\t     * _.isNumber(Number.MIN_VALUE);\n\t     * // => true\n\t     *\n\t     * _.isNumber(Infinity);\n\t     * // => true\n\t     *\n\t     * _.isNumber('3');\n\t     * // => false\n\t     */\n\t    function isNumber(value) {\n\t      return typeof value == 'number' ||\n\t        (isObjectLike(value) && baseGetTag(value) == numberTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is a plain object, that is, an object created by the\n\t     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.8.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * _.isPlainObject(new Foo);\n\t     * // => false\n\t     *\n\t     * _.isPlainObject([1, 2, 3]);\n\t     * // => false\n\t     *\n\t     * _.isPlainObject({ 'x': 0, 'y': 0 });\n\t     * // => true\n\t     *\n\t     * _.isPlainObject(Object.create(null));\n\t     * // => true\n\t     */\n\t    function isPlainObject(value) {\n\t      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n\t        return false;\n\t      }\n\t      var proto = getPrototype(value);\n\t      if (proto === null) {\n\t        return true;\n\t      }\n\t      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n\t      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n\t        funcToString.call(Ctor) == objectCtorString;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `RegExp` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.1.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n\t     * @example\n\t     *\n\t     * _.isRegExp(/abc/);\n\t     * // => true\n\t     *\n\t     * _.isRegExp('/abc/');\n\t     * // => false\n\t     */\n\t    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\t\n\t    /**\n\t     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n\t     * double precision number which isn't the result of a rounded unsafe integer.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSafeInteger(3);\n\t     * // => true\n\t     *\n\t     * _.isSafeInteger(Number.MIN_VALUE);\n\t     * // => false\n\t     *\n\t     * _.isSafeInteger(Infinity);\n\t     * // => false\n\t     *\n\t     * _.isSafeInteger('3');\n\t     * // => false\n\t     */\n\t    function isSafeInteger(value) {\n\t      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Set` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSet(new Set);\n\t     * // => true\n\t     *\n\t     * _.isSet(new WeakSet);\n\t     * // => false\n\t     */\n\t    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `String` primitive or object.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n\t     * @example\n\t     *\n\t     * _.isString('abc');\n\t     * // => true\n\t     *\n\t     * _.isString(1);\n\t     * // => false\n\t     */\n\t    function isString(value) {\n\t      return typeof value == 'string' ||\n\t        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `Symbol` primitive or object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n\t     * @example\n\t     *\n\t     * _.isSymbol(Symbol.iterator);\n\t     * // => true\n\t     *\n\t     * _.isSymbol('abc');\n\t     * // => false\n\t     */\n\t    function isSymbol(value) {\n\t      return typeof value == 'symbol' ||\n\t        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a typed array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n\t     * @example\n\t     *\n\t     * _.isTypedArray(new Uint8Array);\n\t     * // => true\n\t     *\n\t     * _.isTypedArray([]);\n\t     * // => false\n\t     */\n\t    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\t\n\t    /**\n\t     * Checks if `value` is `undefined`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n\t     * @example\n\t     *\n\t     * _.isUndefined(void 0);\n\t     * // => true\n\t     *\n\t     * _.isUndefined(null);\n\t     * // => false\n\t     */\n\t    function isUndefined(value) {\n\t      return value === undefined;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `WeakMap` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n\t     * @example\n\t     *\n\t     * _.isWeakMap(new WeakMap);\n\t     * // => true\n\t     *\n\t     * _.isWeakMap(new Map);\n\t     * // => false\n\t     */\n\t    function isWeakMap(value) {\n\t      return isObjectLike(value) && getTag(value) == weakMapTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is classified as a `WeakSet` object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.3.0\n\t     * @category Lang\n\t     * @param {*} value The value to check.\n\t     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n\t     * @example\n\t     *\n\t     * _.isWeakSet(new WeakSet);\n\t     * // => true\n\t     *\n\t     * _.isWeakSet(new Set);\n\t     * // => false\n\t     */\n\t    function isWeakSet(value) {\n\t      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n\t    }\n\t\n\t    /**\n\t     * Checks if `value` is less than `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t     *  else `false`.\n\t     * @see _.gt\n\t     * @example\n\t     *\n\t     * _.lt(1, 3);\n\t     * // => true\n\t     *\n\t     * _.lt(3, 3);\n\t     * // => false\n\t     *\n\t     * _.lt(3, 1);\n\t     * // => false\n\t     */\n\t    var lt = createRelationalOperation(baseLt);\n\t\n\t    /**\n\t     * Checks if `value` is less than or equal to `other`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.9.0\n\t     * @category Lang\n\t     * @param {*} value The value to compare.\n\t     * @param {*} other The other value to compare.\n\t     * @returns {boolean} Returns `true` if `value` is less than or equal to\n\t     *  `other`, else `false`.\n\t     * @see _.gte\n\t     * @example\n\t     *\n\t     * _.lte(1, 3);\n\t     * // => true\n\t     *\n\t     * _.lte(3, 3);\n\t     * // => true\n\t     *\n\t     * _.lte(3, 1);\n\t     * // => false\n\t     */\n\t    var lte = createRelationalOperation(function(value, other) {\n\t      return value <= other;\n\t    });\n\t\n\t    /**\n\t     * Converts `value` to an array.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {Array} Returns the converted array.\n\t     * @example\n\t     *\n\t     * _.toArray({ 'a': 1, 'b': 2 });\n\t     * // => [1, 2]\n\t     *\n\t     * _.toArray('abc');\n\t     * // => ['a', 'b', 'c']\n\t     *\n\t     * _.toArray(1);\n\t     * // => []\n\t     *\n\t     * _.toArray(null);\n\t     * // => []\n\t     */\n\t    function toArray(value) {\n\t      if (!value) {\n\t        return [];\n\t      }\n\t      if (isArrayLike(value)) {\n\t        return isString(value) ? stringToArray(value) : copyArray(value);\n\t      }\n\t      if (symIterator && value[symIterator]) {\n\t        return iteratorToArray(value[symIterator]());\n\t      }\n\t      var tag = getTag(value),\n\t          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\t\n\t      return func(value);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a finite number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.12.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted number.\n\t     * @example\n\t     *\n\t     * _.toFinite(3.2);\n\t     * // => 3.2\n\t     *\n\t     * _.toFinite(Number.MIN_VALUE);\n\t     * // => 5e-324\n\t     *\n\t     * _.toFinite(Infinity);\n\t     * // => 1.7976931348623157e+308\n\t     *\n\t     * _.toFinite('3.2');\n\t     * // => 3.2\n\t     */\n\t    function toFinite(value) {\n\t      if (!value) {\n\t        return value === 0 ? value : 0;\n\t      }\n\t      value = toNumber(value);\n\t      if (value === INFINITY || value === -INFINITY) {\n\t        var sign = (value < 0 ? -1 : 1);\n\t        return sign * MAX_INTEGER;\n\t      }\n\t      return value === value ? value : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to an integer.\n\t     *\n\t     * **Note:** This method is loosely based on\n\t     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toInteger(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toInteger(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toInteger(Infinity);\n\t     * // => 1.7976931348623157e+308\n\t     *\n\t     * _.toInteger('3.2');\n\t     * // => 3\n\t     */\n\t    function toInteger(value) {\n\t      var result = toFinite(value),\n\t          remainder = result % 1;\n\t\n\t      return result === result ? (remainder ? result - remainder : result) : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to an integer suitable for use as the length of an\n\t     * array-like object.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toLength(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toLength(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toLength(Infinity);\n\t     * // => 4294967295\n\t     *\n\t     * _.toLength('3.2');\n\t     * // => 3\n\t     */\n\t    function toLength(value) {\n\t      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to process.\n\t     * @returns {number} Returns the number.\n\t     * @example\n\t     *\n\t     * _.toNumber(3.2);\n\t     * // => 3.2\n\t     *\n\t     * _.toNumber(Number.MIN_VALUE);\n\t     * // => 5e-324\n\t     *\n\t     * _.toNumber(Infinity);\n\t     * // => Infinity\n\t     *\n\t     * _.toNumber('3.2');\n\t     * // => 3.2\n\t     */\n\t    function toNumber(value) {\n\t      if (typeof value == 'number') {\n\t        return value;\n\t      }\n\t      if (isSymbol(value)) {\n\t        return NAN;\n\t      }\n\t      if (isObject(value)) {\n\t        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n\t        value = isObject(other) ? (other + '') : other;\n\t      }\n\t      if (typeof value != 'string') {\n\t        return value === 0 ? value : +value;\n\t      }\n\t      value = value.replace(reTrim, '');\n\t      var isBinary = reIsBinary.test(value);\n\t      return (isBinary || reIsOctal.test(value))\n\t        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n\t        : (reIsBadHex.test(value) ? NAN : +value);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a plain object flattening inherited enumerable string\n\t     * keyed properties of `value` to own properties of the plain object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {Object} Returns the converted plain object.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.assign({ 'a': 1 }, new Foo);\n\t     * // => { 'a': 1, 'b': 2 }\n\t     *\n\t     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n\t     * // => { 'a': 1, 'b': 2, 'c': 3 }\n\t     */\n\t    function toPlainObject(value) {\n\t      return copyObject(value, keysIn(value));\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a safe integer. A safe integer can be compared and\n\t     * represented correctly.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.toSafeInteger(3.2);\n\t     * // => 3\n\t     *\n\t     * _.toSafeInteger(Number.MIN_VALUE);\n\t     * // => 0\n\t     *\n\t     * _.toSafeInteger(Infinity);\n\t     * // => 9007199254740991\n\t     *\n\t     * _.toSafeInteger('3.2');\n\t     * // => 3\n\t     */\n\t    function toSafeInteger(value) {\n\t      return value\n\t        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n\t        : (value === 0 ? value : 0);\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a string. An empty string is returned for `null`\n\t     * and `undefined` values. The sign of `-0` is preserved.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Lang\n\t     * @param {*} value The value to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.toString(null);\n\t     * // => ''\n\t     *\n\t     * _.toString(-0);\n\t     * // => '-0'\n\t     *\n\t     * _.toString([1, 2, 3]);\n\t     * // => '1,2,3'\n\t     */\n\t    function toString(value) {\n\t      return value == null ? '' : baseToString(value);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Assigns own enumerable string keyed properties of source objects to the\n\t     * destination object. Source objects are applied from left to right.\n\t     * Subsequent sources overwrite property assignments of previous sources.\n\t     *\n\t     * **Note:** This method mutates `object` and is loosely based on\n\t     * [`Object.assign`](https://mdn.io/Object/assign).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.10.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * function Bar() {\n\t     *   this.c = 3;\n\t     * }\n\t     *\n\t     * Foo.prototype.b = 2;\n\t     * Bar.prototype.d = 4;\n\t     *\n\t     * _.assign({ 'a': 0 }, new Foo, new Bar);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    var assign = createAssigner(function(object, source) {\n\t      if (isPrototype(source) || isArrayLike(source)) {\n\t        copyObject(source, keys(source), object);\n\t        return;\n\t      }\n\t      for (var key in source) {\n\t        if (hasOwnProperty.call(source, key)) {\n\t          assignValue(object, key, source[key]);\n\t        }\n\t      }\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it iterates over own and\n\t     * inherited source properties.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias extend\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assign\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     * }\n\t     *\n\t     * function Bar() {\n\t     *   this.c = 3;\n\t     * }\n\t     *\n\t     * Foo.prototype.b = 2;\n\t     * Bar.prototype.d = 4;\n\t     *\n\t     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n\t     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n\t     */\n\t    var assignIn = createAssigner(function(object, source) {\n\t      copyObject(source, keysIn(source), object);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assignIn` except that it accepts `customizer`\n\t     * which is invoked to produce the assigned values. If `customizer` returns\n\t     * `undefined`, assignment is handled by the method instead. The `customizer`\n\t     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias extendWith\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignWith\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   return _.isUndefined(objValue) ? srcValue : objValue;\n\t     * }\n\t     *\n\t     * var defaults = _.partialRight(_.assignInWith, customizer);\n\t     *\n\t     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      copyObject(source, keysIn(source), object, customizer);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it accepts `customizer`\n\t     * which is invoked to produce the assigned values. If `customizer` returns\n\t     * `undefined`, assignment is handled by the method instead. The `customizer`\n\t     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.assignInWith\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   return _.isUndefined(objValue) ? srcValue : objValue;\n\t     * }\n\t     *\n\t     * var defaults = _.partialRight(_.assignWith, customizer);\n\t     *\n\t     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      copyObject(source, keys(source), object, customizer);\n\t    });\n\t\n\t    /**\n\t     * Creates an array of values corresponding to `paths` of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Array} Returns the picked values.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t     *\n\t     * _.at(object, ['a[0].b.c', 'a[1]']);\n\t     * // => [3, 4]\n\t     */\n\t    var at = flatRest(baseAt);\n\t\n\t    /**\n\t     * Creates an object that inherits from the `prototype` object. If a\n\t     * `properties` object is given, its own enumerable string keyed properties\n\t     * are assigned to the created object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.3.0\n\t     * @category Object\n\t     * @param {Object} prototype The object to inherit from.\n\t     * @param {Object} [properties] The properties to assign to the object.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * function Shape() {\n\t     *   this.x = 0;\n\t     *   this.y = 0;\n\t     * }\n\t     *\n\t     * function Circle() {\n\t     *   Shape.call(this);\n\t     * }\n\t     *\n\t     * Circle.prototype = _.create(Shape.prototype, {\n\t     *   'constructor': Circle\n\t     * });\n\t     *\n\t     * var circle = new Circle;\n\t     * circle instanceof Circle;\n\t     * // => true\n\t     *\n\t     * circle instanceof Shape;\n\t     * // => true\n\t     */\n\t    function create(prototype, properties) {\n\t      var result = baseCreate(prototype);\n\t      return properties == null ? result : baseAssign(result, properties);\n\t    }\n\t\n\t    /**\n\t     * Assigns own and inherited enumerable string keyed properties of source\n\t     * objects to the destination object for all destination properties that\n\t     * resolve to `undefined`. Source objects are applied from left to right.\n\t     * Once a property is set, additional values of the same property are ignored.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.defaultsDeep\n\t     * @example\n\t     *\n\t     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t     * // => { 'a': 1, 'b': 2 }\n\t     */\n\t    var defaults = baseRest(function(args) {\n\t      args.push(undefined, customDefaultsAssignIn);\n\t      return apply(assignInWith, undefined, args);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.defaults` except that it recursively assigns\n\t     * default properties.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.defaults\n\t     * @example\n\t     *\n\t     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n\t     * // => { 'a': { 'b': 2, 'c': 3 } }\n\t     */\n\t    var defaultsDeep = baseRest(function(args) {\n\t      args.push(undefined, customDefaultsMerge);\n\t      return apply(mergeWith, undefined, args);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.find` except that it returns the key of the first\n\t     * element `predicate` returns truthy for instead of the element itself.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {string|undefined} Returns the key of the matched element,\n\t     *  else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'barney':  { 'age': 36, 'active': true },\n\t     *   'fred':    { 'age': 40, 'active': false },\n\t     *   'pebbles': { 'age': 1,  'active': true }\n\t     * };\n\t     *\n\t     * _.findKey(users, function(o) { return o.age < 40; });\n\t     * // => 'barney' (iteration order is not guaranteed)\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findKey(users, { 'age': 1, 'active': true });\n\t     * // => 'pebbles'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findKey(users, ['active', false]);\n\t     * // => 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findKey(users, 'active');\n\t     * // => 'barney'\n\t     */\n\t    function findKey(object, predicate) {\n\t      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.findKey` except that it iterates over elements of\n\t     * a collection in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n\t     * @returns {string|undefined} Returns the key of the matched element,\n\t     *  else `undefined`.\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'barney':  { 'age': 36, 'active': true },\n\t     *   'fred':    { 'age': 40, 'active': false },\n\t     *   'pebbles': { 'age': 1,  'active': true }\n\t     * };\n\t     *\n\t     * _.findLastKey(users, function(o) { return o.age < 40; });\n\t     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.findLastKey(users, { 'age': 36, 'active': true });\n\t     * // => 'barney'\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.findLastKey(users, ['active', false]);\n\t     * // => 'fred'\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.findLastKey(users, 'active');\n\t     * // => 'pebbles'\n\t     */\n\t    function findLastKey(object, predicate) {\n\t      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n\t    }\n\t\n\t    /**\n\t     * Iterates over own and inherited enumerable string keyed properties of an\n\t     * object and invokes `iteratee` for each property. The iteratee is invoked\n\t     * with three arguments: (value, key, object). Iteratee functions may exit\n\t     * iteration early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forInRight\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forIn(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n\t     */\n\t    function forIn(object, iteratee) {\n\t      return object == null\n\t        ? object\n\t        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forIn` except that it iterates over properties of\n\t     * `object` in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forInRight(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n\t     */\n\t    function forInRight(object, iteratee) {\n\t      return object == null\n\t        ? object\n\t        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n\t    }\n\t\n\t    /**\n\t     * Iterates over own enumerable string keyed properties of an object and\n\t     * invokes `iteratee` for each property. The iteratee is invoked with three\n\t     * arguments: (value, key, object). Iteratee functions may exit iteration\n\t     * early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forOwnRight\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forOwn(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t     */\n\t    function forOwn(object, iteratee) {\n\t      return object && baseForOwn(object, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.forOwn` except that it iterates over properties of\n\t     * `object` in the opposite order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns `object`.\n\t     * @see _.forOwn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.forOwnRight(new Foo, function(value, key) {\n\t     *   console.log(key);\n\t     * });\n\t     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n\t     */\n\t    function forOwnRight(object, iteratee) {\n\t      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of function property names from own enumerable properties\n\t     * of `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @returns {Array} Returns the function names.\n\t     * @see _.functionsIn\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = _.constant('a');\n\t     *   this.b = _.constant('b');\n\t     * }\n\t     *\n\t     * Foo.prototype.c = _.constant('c');\n\t     *\n\t     * _.functions(new Foo);\n\t     * // => ['a', 'b']\n\t     */\n\t    function functions(object) {\n\t      return object == null ? [] : baseFunctions(object, keys(object));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of function property names from own and inherited\n\t     * enumerable properties of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to inspect.\n\t     * @returns {Array} Returns the function names.\n\t     * @see _.functions\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = _.constant('a');\n\t     *   this.b = _.constant('b');\n\t     * }\n\t     *\n\t     * Foo.prototype.c = _.constant('c');\n\t     *\n\t     * _.functionsIn(new Foo);\n\t     * // => ['a', 'b', 'c']\n\t     */\n\t    function functionsIn(object) {\n\t      return object == null ? [] : baseFunctions(object, keysIn(object));\n\t    }\n\t\n\t    /**\n\t     * Gets the value at `path` of `object`. If the resolved value is\n\t     * `undefined`, the `defaultValue` is returned in its place.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.get(object, 'a[0].b.c');\n\t     * // => 3\n\t     *\n\t     * _.get(object, ['a', '0', 'b', 'c']);\n\t     * // => 3\n\t     *\n\t     * _.get(object, 'a.b.c', 'default');\n\t     * // => 'default'\n\t     */\n\t    function get(object, path, defaultValue) {\n\t      var result = object == null ? undefined : baseGet(object, path);\n\t      return result === undefined ? defaultValue : result;\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` is a direct property of `object`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': { 'b': 2 } };\n\t     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n\t     *\n\t     * _.has(object, 'a');\n\t     * // => true\n\t     *\n\t     * _.has(object, 'a.b');\n\t     * // => true\n\t     *\n\t     * _.has(object, ['a', 'b']);\n\t     * // => true\n\t     *\n\t     * _.has(other, 'a');\n\t     * // => false\n\t     */\n\t    function has(object, path) {\n\t      return object != null && hasPath(object, path, baseHas);\n\t    }\n\t\n\t    /**\n\t     * Checks if `path` is a direct or inherited property of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path to check.\n\t     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t     * @example\n\t     *\n\t     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n\t     *\n\t     * _.hasIn(object, 'a');\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, 'a.b');\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, ['a', 'b']);\n\t     * // => true\n\t     *\n\t     * _.hasIn(object, 'b');\n\t     * // => false\n\t     */\n\t    function hasIn(object, path) {\n\t      return object != null && hasPath(object, path, baseHasIn);\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of the inverted keys and values of `object`.\n\t     * If `object` contains duplicate values, subsequent values overwrite\n\t     * property assignments of previous values.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to invert.\n\t     * @returns {Object} Returns the new inverted object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t     *\n\t     * _.invert(object);\n\t     * // => { '1': 'c', '2': 'b' }\n\t     */\n\t    var invert = createInverter(function(result, value, key) {\n\t      result[value] = key;\n\t    }, constant(identity));\n\t\n\t    /**\n\t     * This method is like `_.invert` except that the inverted object is generated\n\t     * from the results of running each element of `object` thru `iteratee`. The\n\t     * corresponding inverted value of each inverted key is an array of keys\n\t     * responsible for generating the inverted value. The iteratee is invoked\n\t     * with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.1.0\n\t     * @category Object\n\t     * @param {Object} object The object to invert.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {Object} Returns the new inverted object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t     *\n\t     * _.invertBy(object);\n\t     * // => { '1': ['a', 'c'], '2': ['b'] }\n\t     *\n\t     * _.invertBy(object, function(value) {\n\t     *   return 'group' + value;\n\t     * });\n\t     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n\t     */\n\t    var invertBy = createInverter(function(result, value, key) {\n\t      if (hasOwnProperty.call(result, value)) {\n\t        result[value].push(key);\n\t      } else {\n\t        result[value] = [key];\n\t      }\n\t    }, getIteratee);\n\t\n\t    /**\n\t     * Invokes the method at `path` of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {*} Returns the result of the invoked method.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n\t     *\n\t     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n\t     * // => [2, 3]\n\t     */\n\t    var invoke = baseRest(baseInvoke);\n\t\n\t    /**\n\t     * Creates an array of the own enumerable property names of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects. See the\n\t     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n\t     * for more details.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.keys(new Foo);\n\t     * // => ['a', 'b'] (iteration order is not guaranteed)\n\t     *\n\t     * _.keys('hi');\n\t     * // => ['0', '1']\n\t     */\n\t    function keys(object) {\n\t      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable property names of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property names.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.keysIn(new Foo);\n\t     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n\t     */\n\t    function keysIn(object) {\n\t      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.mapValues`; this method creates an object with the\n\t     * same values as `object` and keys generated by running each own enumerable\n\t     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n\t     * with three arguments: (value, key, object).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.8.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns the new mapped object.\n\t     * @see _.mapValues\n\t     * @example\n\t     *\n\t     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n\t     *   return key + value;\n\t     * });\n\t     * // => { 'a1': 1, 'b2': 2 }\n\t     */\n\t    function mapKeys(object, iteratee) {\n\t      var result = {};\n\t      iteratee = getIteratee(iteratee, 3);\n\t\n\t      baseForOwn(object, function(value, key, object) {\n\t        baseAssignValue(result, iteratee(value, key, object), value);\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Creates an object with the same keys as `object` and values generated\n\t     * by running each own enumerable string keyed property of `object` thru\n\t     * `iteratee`. The iteratee is invoked with three arguments:\n\t     * (value, key, object).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Object} Returns the new mapped object.\n\t     * @see _.mapKeys\n\t     * @example\n\t     *\n\t     * var users = {\n\t     *   'fred':    { 'user': 'fred',    'age': 40 },\n\t     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n\t     * };\n\t     *\n\t     * _.mapValues(users, function(o) { return o.age; });\n\t     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.mapValues(users, 'age');\n\t     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t     */\n\t    function mapValues(object, iteratee) {\n\t      var result = {};\n\t      iteratee = getIteratee(iteratee, 3);\n\t\n\t      baseForOwn(object, function(value, key, object) {\n\t        baseAssignValue(result, key, iteratee(value, key, object));\n\t      });\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.assign` except that it recursively merges own and\n\t     * inherited enumerable string keyed properties of source objects into the\n\t     * destination object. Source properties that resolve to `undefined` are\n\t     * skipped if a destination value exists. Array and plain object properties\n\t     * are merged recursively. Other objects and value types are overridden by\n\t     * assignment. Source objects are applied from left to right. Subsequent\n\t     * sources overwrite property assignments of previous sources.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.5.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} [sources] The source objects.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {\n\t     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n\t     * };\n\t     *\n\t     * var other = {\n\t     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n\t     * };\n\t     *\n\t     * _.merge(object, other);\n\t     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n\t     */\n\t    var merge = createAssigner(function(object, source, srcIndex) {\n\t      baseMerge(object, source, srcIndex);\n\t    });\n\t\n\t    /**\n\t     * This method is like `_.merge` except that it accepts `customizer` which\n\t     * is invoked to produce the merged values of the destination and source\n\t     * properties. If `customizer` returns `undefined`, merging is handled by the\n\t     * method instead. The `customizer` is invoked with six arguments:\n\t     * (objValue, srcValue, key, object, source, stack).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The destination object.\n\t     * @param {...Object} sources The source objects.\n\t     * @param {Function} customizer The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * function customizer(objValue, srcValue) {\n\t     *   if (_.isArray(objValue)) {\n\t     *     return objValue.concat(srcValue);\n\t     *   }\n\t     * }\n\t     *\n\t     * var object = { 'a': [1], 'b': [2] };\n\t     * var other = { 'a': [3], 'b': [4] };\n\t     *\n\t     * _.mergeWith(object, other, customizer);\n\t     * // => { 'a': [1, 3], 'b': [2, 4] }\n\t     */\n\t    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t      baseMerge(object, source, srcIndex, customizer);\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.pick`; this method creates an object composed of the\n\t     * own and inherited enumerable property paths of `object` that are not omitted.\n\t     *\n\t     * **Note:** This method is considerably slower than `_.pick`.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {...(string|string[])} [paths] The property paths to omit.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.omit(object, ['a', 'c']);\n\t     * // => { 'b': '2' }\n\t     */\n\t    var omit = flatRest(function(object, paths) {\n\t      var result = {};\n\t      if (object == null) {\n\t        return result;\n\t      }\n\t      var isDeep = false;\n\t      paths = arrayMap(paths, function(path) {\n\t        path = castPath(path, object);\n\t        isDeep || (isDeep = path.length > 1);\n\t        return path;\n\t      });\n\t      copyObject(object, getAllKeysIn(object), result);\n\t      if (isDeep) {\n\t        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n\t      }\n\t      var length = paths.length;\n\t      while (length--) {\n\t        baseUnset(result, paths[length]);\n\t      }\n\t      return result;\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.pickBy`; this method creates an object composed of\n\t     * the own and inherited enumerable string keyed properties of `object` that\n\t     * `predicate` doesn't return truthy for. The predicate is invoked with two\n\t     * arguments: (value, key).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {Function} [predicate=_.identity] The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.omitBy(object, _.isNumber);\n\t     * // => { 'b': '2' }\n\t     */\n\t    function omitBy(object, predicate) {\n\t      return pickBy(object, negate(getIteratee(predicate)));\n\t    }\n\t\n\t    /**\n\t     * Creates an object composed of the picked `object` properties.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {...(string|string[])} [paths] The property paths to pick.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.pick(object, ['a', 'c']);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    var pick = flatRest(function(object, paths) {\n\t      return object == null ? {} : basePick(object, paths);\n\t    });\n\t\n\t    /**\n\t     * Creates an object composed of the `object` properties `predicate` returns\n\t     * truthy for. The predicate is invoked with two arguments: (value, key).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The source object.\n\t     * @param {Function} [predicate=_.identity] The function invoked per property.\n\t     * @returns {Object} Returns the new object.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t     *\n\t     * _.pickBy(object, _.isNumber);\n\t     * // => { 'a': 1, 'c': 3 }\n\t     */\n\t    function pickBy(object, predicate) {\n\t      if (object == null) {\n\t        return {};\n\t      }\n\t      var props = arrayMap(getAllKeysIn(object), function(prop) {\n\t        return [prop];\n\t      });\n\t      predicate = getIteratee(predicate);\n\t      return basePickBy(object, props, function(value, path) {\n\t        return predicate(value, path[0]);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.get` except that if the resolved value is a\n\t     * function it's invoked with the `this` binding of its parent object and\n\t     * its result is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @param {Array|string} path The path of the property to resolve.\n\t     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n\t     *\n\t     * _.result(object, 'a[0].b.c1');\n\t     * // => 3\n\t     *\n\t     * _.result(object, 'a[0].b.c2');\n\t     * // => 4\n\t     *\n\t     * _.result(object, 'a[0].b.c3', 'default');\n\t     * // => 'default'\n\t     *\n\t     * _.result(object, 'a[0].b.c3', _.constant('default'));\n\t     * // => 'default'\n\t     */\n\t    function result(object, path, defaultValue) {\n\t      path = castPath(path, object);\n\t\n\t      var index = -1,\n\t          length = path.length;\n\t\n\t      // Ensure the loop is entered when path is empty.\n\t      if (!length) {\n\t        length = 1;\n\t        object = undefined;\n\t      }\n\t      while (++index < length) {\n\t        var value = object == null ? undefined : object[toKey(path[index])];\n\t        if (value === undefined) {\n\t          index = length;\n\t          value = defaultValue;\n\t        }\n\t        object = isFunction(value) ? value.call(object) : value;\n\t      }\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n\t     * it's created. Arrays are created for missing index properties while objects\n\t     * are created for all other missing properties. Use `_.setWith` to customize\n\t     * `path` creation.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.set(object, 'a[0].b.c', 4);\n\t     * console.log(object.a[0].b.c);\n\t     * // => 4\n\t     *\n\t     * _.set(object, ['x', '0', 'y', 'z'], 5);\n\t     * console.log(object.x[0].y.z);\n\t     * // => 5\n\t     */\n\t    function set(object, path, value) {\n\t      return object == null ? object : baseSet(object, path, value);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.set` except that it accepts `customizer` which is\n\t     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n\t     * path creation is handled by the method instead. The `customizer` is invoked\n\t     * with three arguments: (nsValue, key, nsObject).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {*} value The value to set.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {};\n\t     *\n\t     * _.setWith(object, '[0][1]', 'a', Object);\n\t     * // => { '0': { '1': 'a' } }\n\t     */\n\t    function setWith(object, path, value, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return object == null ? object : baseSet(object, path, value, customizer);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of own enumerable string keyed-value pairs for `object`\n\t     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n\t     * entries are returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias entries\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the key-value pairs.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.toPairs(new Foo);\n\t     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n\t     */\n\t    var toPairs = createToPairs(keys);\n\t\n\t    /**\n\t     * Creates an array of own and inherited enumerable string keyed-value pairs\n\t     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n\t     * or set, its entries are returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @alias entriesIn\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the key-value pairs.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.toPairsIn(new Foo);\n\t     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n\t     */\n\t    var toPairsIn = createToPairs(keysIn);\n\t\n\t    /**\n\t     * An alternative to `_.reduce`; this method transforms `object` to a new\n\t     * `accumulator` object which is the result of running each of its own\n\t     * enumerable string keyed properties thru `iteratee`, with each invocation\n\t     * potentially mutating the `accumulator` object. If `accumulator` is not\n\t     * provided, a new object with the same `[[Prototype]]` will be used. The\n\t     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n\t     * Iteratee functions may exit iteration early by explicitly returning `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.3.0\n\t     * @category Object\n\t     * @param {Object} object The object to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @param {*} [accumulator] The custom accumulator value.\n\t     * @returns {*} Returns the accumulated value.\n\t     * @example\n\t     *\n\t     * _.transform([2, 3, 4], function(result, n) {\n\t     *   result.push(n *= n);\n\t     *   return n % 2 == 0;\n\t     * }, []);\n\t     * // => [4, 9]\n\t     *\n\t     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t     *   (result[value] || (result[value] = [])).push(key);\n\t     * }, {});\n\t     * // => { '1': ['a', 'c'], '2': ['b'] }\n\t     */\n\t    function transform(object, iteratee, accumulator) {\n\t      var isArr = isArray(object),\n\t          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\t\n\t      iteratee = getIteratee(iteratee, 4);\n\t      if (accumulator == null) {\n\t        var Ctor = object && object.constructor;\n\t        if (isArrLike) {\n\t          accumulator = isArr ? new Ctor : [];\n\t        }\n\t        else if (isObject(object)) {\n\t          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n\t        }\n\t        else {\n\t          accumulator = {};\n\t        }\n\t      }\n\t      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n\t        return iteratee(accumulator, value, index, object);\n\t      });\n\t      return accumulator;\n\t    }\n\t\n\t    /**\n\t     * Removes the property at `path` of `object`.\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to unset.\n\t     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n\t     * _.unset(object, 'a[0].b.c');\n\t     * // => true\n\t     *\n\t     * console.log(object);\n\t     * // => { 'a': [{ 'b': {} }] };\n\t     *\n\t     * _.unset(object, ['a', '0', 'b', 'c']);\n\t     * // => true\n\t     *\n\t     * console.log(object);\n\t     * // => { 'a': [{ 'b': {} }] };\n\t     */\n\t    function unset(object, path) {\n\t      return object == null ? true : baseUnset(object, path);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.set` except that accepts `updater` to produce the\n\t     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n\t     * is invoked with one argument: (value).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t     *\n\t     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n\t     * console.log(object.a[0].b.c);\n\t     * // => 9\n\t     *\n\t     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n\t     * console.log(object.x[0].y.z);\n\t     * // => 0\n\t     */\n\t    function update(object, path, updater) {\n\t      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.update` except that it accepts `customizer` which is\n\t     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n\t     * path creation is handled by the method instead. The `customizer` is invoked\n\t     * with three arguments: (nsValue, key, nsObject).\n\t     *\n\t     * **Note:** This method mutates `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.6.0\n\t     * @category Object\n\t     * @param {Object} object The object to modify.\n\t     * @param {Array|string} path The path of the property to set.\n\t     * @param {Function} updater The function to produce the updated value.\n\t     * @param {Function} [customizer] The function to customize assigned values.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var object = {};\n\t     *\n\t     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n\t     * // => { '0': { '1': 'a' } }\n\t     */\n\t    function updateWith(object, path, updater, customizer) {\n\t      customizer = typeof customizer == 'function' ? customizer : undefined;\n\t      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own enumerable string keyed property values of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property values.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.values(new Foo);\n\t     * // => [1, 2] (iteration order is not guaranteed)\n\t     *\n\t     * _.values('hi');\n\t     * // => ['h', 'i']\n\t     */\n\t    function values(object) {\n\t      return object == null ? [] : baseValues(object, keys(object));\n\t    }\n\t\n\t    /**\n\t     * Creates an array of the own and inherited enumerable string keyed property\n\t     * values of `object`.\n\t     *\n\t     * **Note:** Non-object values are coerced to objects.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Object\n\t     * @param {Object} object The object to query.\n\t     * @returns {Array} Returns the array of property values.\n\t     * @example\n\t     *\n\t     * function Foo() {\n\t     *   this.a = 1;\n\t     *   this.b = 2;\n\t     * }\n\t     *\n\t     * Foo.prototype.c = 3;\n\t     *\n\t     * _.valuesIn(new Foo);\n\t     * // => [1, 2, 3] (iteration order is not guaranteed)\n\t     */\n\t    function valuesIn(object) {\n\t      return object == null ? [] : baseValues(object, keysIn(object));\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Number\n\t     * @param {number} number The number to clamp.\n\t     * @param {number} [lower] The lower bound.\n\t     * @param {number} upper The upper bound.\n\t     * @returns {number} Returns the clamped number.\n\t     * @example\n\t     *\n\t     * _.clamp(-10, -5, 5);\n\t     * // => -5\n\t     *\n\t     * _.clamp(10, -5, 5);\n\t     * // => 5\n\t     */\n\t    function clamp(number, lower, upper) {\n\t      if (upper === undefined) {\n\t        upper = lower;\n\t        lower = undefined;\n\t      }\n\t      if (upper !== undefined) {\n\t        upper = toNumber(upper);\n\t        upper = upper === upper ? upper : 0;\n\t      }\n\t      if (lower !== undefined) {\n\t        lower = toNumber(lower);\n\t        lower = lower === lower ? lower : 0;\n\t      }\n\t      return baseClamp(toNumber(number), lower, upper);\n\t    }\n\t\n\t    /**\n\t     * Checks if `n` is between `start` and up to, but not including, `end`. If\n\t     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n\t     * If `start` is greater than `end` the params are swapped to support\n\t     * negative ranges.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.3.0\n\t     * @category Number\n\t     * @param {number} number The number to check.\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t     * @see _.range, _.rangeRight\n\t     * @example\n\t     *\n\t     * _.inRange(3, 2, 4);\n\t     * // => true\n\t     *\n\t     * _.inRange(4, 8);\n\t     * // => true\n\t     *\n\t     * _.inRange(4, 2);\n\t     * // => false\n\t     *\n\t     * _.inRange(2, 2);\n\t     * // => false\n\t     *\n\t     * _.inRange(1.2, 2);\n\t     * // => true\n\t     *\n\t     * _.inRange(5.2, 4);\n\t     * // => false\n\t     *\n\t     * _.inRange(-3, -2, -6);\n\t     * // => true\n\t     */\n\t    function inRange(number, start, end) {\n\t      start = toFinite(start);\n\t      if (end === undefined) {\n\t        end = start;\n\t        start = 0;\n\t      } else {\n\t        end = toFinite(end);\n\t      }\n\t      number = toNumber(number);\n\t      return baseInRange(number, start, end);\n\t    }\n\t\n\t    /**\n\t     * Produces a random number between the inclusive `lower` and `upper` bounds.\n\t     * If only one argument is provided a number between `0` and the given number\n\t     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n\t     * floats, a floating-point number is returned instead of an integer.\n\t     *\n\t     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t     * floating-point values which can produce unexpected results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.7.0\n\t     * @category Number\n\t     * @param {number} [lower=0] The lower bound.\n\t     * @param {number} [upper=1] The upper bound.\n\t     * @param {boolean} [floating] Specify returning a floating-point number.\n\t     * @returns {number} Returns the random number.\n\t     * @example\n\t     *\n\t     * _.random(0, 5);\n\t     * // => an integer between 0 and 5\n\t     *\n\t     * _.random(5);\n\t     * // => also an integer between 0 and 5\n\t     *\n\t     * _.random(5, true);\n\t     * // => a floating-point number between 0 and 5\n\t     *\n\t     * _.random(1.2, 5.2);\n\t     * // => a floating-point number between 1.2 and 5.2\n\t     */\n\t    function random(lower, upper, floating) {\n\t      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n\t        upper = floating = undefined;\n\t      }\n\t      if (floating === undefined) {\n\t        if (typeof upper == 'boolean') {\n\t          floating = upper;\n\t          upper = undefined;\n\t        }\n\t        else if (typeof lower == 'boolean') {\n\t          floating = lower;\n\t          lower = undefined;\n\t        }\n\t      }\n\t      if (lower === undefined && upper === undefined) {\n\t        lower = 0;\n\t        upper = 1;\n\t      }\n\t      else {\n\t        lower = toFinite(lower);\n\t        if (upper === undefined) {\n\t          upper = lower;\n\t          lower = 0;\n\t        } else {\n\t          upper = toFinite(upper);\n\t        }\n\t      }\n\t      if (lower > upper) {\n\t        var temp = lower;\n\t        lower = upper;\n\t        upper = temp;\n\t      }\n\t      if (floating || lower % 1 || upper % 1) {\n\t        var rand = nativeRandom();\n\t        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n\t      }\n\t      return baseRandom(lower, upper);\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the camel cased string.\n\t     * @example\n\t     *\n\t     * _.camelCase('Foo Bar');\n\t     * // => 'fooBar'\n\t     *\n\t     * _.camelCase('--foo-bar--');\n\t     * // => 'fooBar'\n\t     *\n\t     * _.camelCase('__FOO_BAR__');\n\t     * // => 'fooBar'\n\t     */\n\t    var camelCase = createCompounder(function(result, word, index) {\n\t      word = word.toLowerCase();\n\t      return result + (index ? capitalize(word) : word);\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to upper case and the remaining\n\t     * to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to capitalize.\n\t     * @returns {string} Returns the capitalized string.\n\t     * @example\n\t     *\n\t     * _.capitalize('FRED');\n\t     * // => 'Fred'\n\t     */\n\t    function capitalize(string) {\n\t      return upperFirst(toString(string).toLowerCase());\n\t    }\n\t\n\t    /**\n\t     * Deburrs `string` by converting\n\t     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n\t     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n\t     * letters to basic Latin letters and removing\n\t     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to deburr.\n\t     * @returns {string} Returns the deburred string.\n\t     * @example\n\t     *\n\t     * _.deburr('déjà vu');\n\t     * // => 'deja vu'\n\t     */\n\t    function deburr(string) {\n\t      string = toString(string);\n\t      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n\t    }\n\t\n\t    /**\n\t     * Checks if `string` ends with the given target string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {string} [target] The string to search for.\n\t     * @param {number} [position=string.length] The position to search up to.\n\t     * @returns {boolean} Returns `true` if `string` ends with `target`,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.endsWith('abc', 'c');\n\t     * // => true\n\t     *\n\t     * _.endsWith('abc', 'b');\n\t     * // => false\n\t     *\n\t     * _.endsWith('abc', 'b', 2);\n\t     * // => true\n\t     */\n\t    function endsWith(string, target, position) {\n\t      string = toString(string);\n\t      target = baseToString(target);\n\t\n\t      var length = string.length;\n\t      position = position === undefined\n\t        ? length\n\t        : baseClamp(toInteger(position), 0, length);\n\t\n\t      var end = position;\n\t      position -= target.length;\n\t      return position >= 0 && string.slice(position, end) == target;\n\t    }\n\t\n\t    /**\n\t     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n\t     * corresponding HTML entities.\n\t     *\n\t     * **Note:** No other characters are escaped. To escape additional\n\t     * characters use a third-party library like [_he_](https://mths.be/he).\n\t     *\n\t     * Though the \">\" character is escaped for symmetry, characters like\n\t     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n\t     * unless they're part of a tag or unquoted attribute value. See\n\t     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n\t     * (under \"semi-related fun fact\") for more details.\n\t     *\n\t     * When working with HTML you should always\n\t     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n\t     * XSS vectors.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category String\n\t     * @param {string} [string=''] The string to escape.\n\t     * @returns {string} Returns the escaped string.\n\t     * @example\n\t     *\n\t     * _.escape('fred, barney, & pebbles');\n\t     * // => 'fred, barney, &amp; pebbles'\n\t     */\n\t    function escape(string) {\n\t      string = toString(string);\n\t      return (string && reHasUnescapedHtml.test(string))\n\t        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n\t     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to escape.\n\t     * @returns {string} Returns the escaped string.\n\t     * @example\n\t     *\n\t     * _.escapeRegExp('[lodash](https://lodash.com/)');\n\t     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n\t     */\n\t    function escapeRegExp(string) {\n\t      string = toString(string);\n\t      return (string && reHasRegExpChar.test(string))\n\t        ? string.replace(reRegExpChar, '\\\\$&')\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the kebab cased string.\n\t     * @example\n\t     *\n\t     * _.kebabCase('Foo Bar');\n\t     * // => 'foo-bar'\n\t     *\n\t     * _.kebabCase('fooBar');\n\t     * // => 'foo-bar'\n\t     *\n\t     * _.kebabCase('__FOO_BAR__');\n\t     * // => 'foo-bar'\n\t     */\n\t    var kebabCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? '-' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Converts `string`, as space separated words, to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the lower cased string.\n\t     * @example\n\t     *\n\t     * _.lowerCase('--Foo-Bar--');\n\t     * // => 'foo bar'\n\t     *\n\t     * _.lowerCase('fooBar');\n\t     * // => 'foo bar'\n\t     *\n\t     * _.lowerCase('__FOO_BAR__');\n\t     * // => 'foo bar'\n\t     */\n\t    var lowerCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to lower case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.lowerFirst('Fred');\n\t     * // => 'fred'\n\t     *\n\t     * _.lowerFirst('FRED');\n\t     * // => 'fRED'\n\t     */\n\t    var lowerFirst = createCaseFirst('toLowerCase');\n\t\n\t    /**\n\t     * Pads `string` on the left and right sides if it's shorter than `length`.\n\t     * Padding characters are truncated if they can't be evenly divided by `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.pad('abc', 8);\n\t     * // => '  abc   '\n\t     *\n\t     * _.pad('abc', 8, '_-');\n\t     * // => '_-abc_-_'\n\t     *\n\t     * _.pad('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function pad(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      if (!length || strLength >= length) {\n\t        return string;\n\t      }\n\t      var mid = (length - strLength) / 2;\n\t      return (\n\t        createPadding(nativeFloor(mid), chars) +\n\t        string +\n\t        createPadding(nativeCeil(mid), chars)\n\t      );\n\t    }\n\t\n\t    /**\n\t     * Pads `string` on the right side if it's shorter than `length`. Padding\n\t     * characters are truncated if they exceed `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.padEnd('abc', 6);\n\t     * // => 'abc   '\n\t     *\n\t     * _.padEnd('abc', 6, '_-');\n\t     * // => 'abc_-_'\n\t     *\n\t     * _.padEnd('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function padEnd(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      return (length && strLength < length)\n\t        ? (string + createPadding(length - strLength, chars))\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Pads `string` on the left side if it's shorter than `length`. Padding\n\t     * characters are truncated if they exceed `length`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to pad.\n\t     * @param {number} [length=0] The padding length.\n\t     * @param {string} [chars=' '] The string used as padding.\n\t     * @returns {string} Returns the padded string.\n\t     * @example\n\t     *\n\t     * _.padStart('abc', 6);\n\t     * // => '   abc'\n\t     *\n\t     * _.padStart('abc', 6, '_-');\n\t     * // => '_-_abc'\n\t     *\n\t     * _.padStart('abc', 3);\n\t     * // => 'abc'\n\t     */\n\t    function padStart(string, length, chars) {\n\t      string = toString(string);\n\t      length = toInteger(length);\n\t\n\t      var strLength = length ? stringSize(string) : 0;\n\t      return (length && strLength < length)\n\t        ? (createPadding(length - strLength, chars) + string)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to an integer of the specified radix. If `radix` is\n\t     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n\t     * hexadecimal, in which case a `radix` of `16` is used.\n\t     *\n\t     * **Note:** This method aligns with the\n\t     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 1.1.0\n\t     * @category String\n\t     * @param {string} string The string to convert.\n\t     * @param {number} [radix=10] The radix to interpret `value` by.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {number} Returns the converted integer.\n\t     * @example\n\t     *\n\t     * _.parseInt('08');\n\t     * // => 8\n\t     *\n\t     * _.map(['6', '08', '10'], _.parseInt);\n\t     * // => [6, 8, 10]\n\t     */\n\t    function parseInt(string, radix, guard) {\n\t      if (guard || radix == null) {\n\t        radix = 0;\n\t      } else if (radix) {\n\t        radix = +radix;\n\t      }\n\t      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n\t    }\n\t\n\t    /**\n\t     * Repeats the given string `n` times.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to repeat.\n\t     * @param {number} [n=1] The number of times to repeat the string.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the repeated string.\n\t     * @example\n\t     *\n\t     * _.repeat('*', 3);\n\t     * // => '***'\n\t     *\n\t     * _.repeat('abc', 2);\n\t     * // => 'abcabc'\n\t     *\n\t     * _.repeat('abc', 0);\n\t     * // => ''\n\t     */\n\t    function repeat(string, n, guard) {\n\t      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n\t        n = 1;\n\t      } else {\n\t        n = toInteger(n);\n\t      }\n\t      return baseRepeat(toString(string), n);\n\t    }\n\t\n\t    /**\n\t     * Replaces matches for `pattern` in `string` with `replacement`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`String#replace`](https://mdn.io/String/replace).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to modify.\n\t     * @param {RegExp|string} pattern The pattern to replace.\n\t     * @param {Function|string} replacement The match replacement.\n\t     * @returns {string} Returns the modified string.\n\t     * @example\n\t     *\n\t     * _.replace('Hi Fred', 'Fred', 'Barney');\n\t     * // => 'Hi Barney'\n\t     */\n\t    function replace() {\n\t      var args = arguments,\n\t          string = toString(args[0]);\n\t\n\t      return args.length < 3 ? string : string.replace(args[1], args[2]);\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the snake cased string.\n\t     * @example\n\t     *\n\t     * _.snakeCase('Foo Bar');\n\t     * // => 'foo_bar'\n\t     *\n\t     * _.snakeCase('fooBar');\n\t     * // => 'foo_bar'\n\t     *\n\t     * _.snakeCase('--FOO-BAR--');\n\t     * // => 'foo_bar'\n\t     */\n\t    var snakeCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? '_' : '') + word.toLowerCase();\n\t    });\n\t\n\t    /**\n\t     * Splits `string` by `separator`.\n\t     *\n\t     * **Note:** This method is based on\n\t     * [`String#split`](https://mdn.io/String/split).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to split.\n\t     * @param {RegExp|string} separator The separator pattern to split by.\n\t     * @param {number} [limit] The length to truncate results to.\n\t     * @returns {Array} Returns the string segments.\n\t     * @example\n\t     *\n\t     * _.split('a-b-c', '-', 2);\n\t     * // => ['a', 'b']\n\t     */\n\t    function split(string, separator, limit) {\n\t      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n\t        separator = limit = undefined;\n\t      }\n\t      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n\t      if (!limit) {\n\t        return [];\n\t      }\n\t      string = toString(string);\n\t      if (string && (\n\t            typeof separator == 'string' ||\n\t            (separator != null && !isRegExp(separator))\n\t          )) {\n\t        separator = baseToString(separator);\n\t        if (!separator && hasUnicode(string)) {\n\t          return castSlice(stringToArray(string), 0, limit);\n\t        }\n\t      }\n\t      return string.split(separator, limit);\n\t    }\n\t\n\t    /**\n\t     * Converts `string` to\n\t     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.1.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the start cased string.\n\t     * @example\n\t     *\n\t     * _.startCase('--foo-bar--');\n\t     * // => 'Foo Bar'\n\t     *\n\t     * _.startCase('fooBar');\n\t     * // => 'Foo Bar'\n\t     *\n\t     * _.startCase('__FOO_BAR__');\n\t     * // => 'FOO BAR'\n\t     */\n\t    var startCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + upperFirst(word);\n\t    });\n\t\n\t    /**\n\t     * Checks if `string` starts with the given target string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {string} [target] The string to search for.\n\t     * @param {number} [position=0] The position to search from.\n\t     * @returns {boolean} Returns `true` if `string` starts with `target`,\n\t     *  else `false`.\n\t     * @example\n\t     *\n\t     * _.startsWith('abc', 'a');\n\t     * // => true\n\t     *\n\t     * _.startsWith('abc', 'b');\n\t     * // => false\n\t     *\n\t     * _.startsWith('abc', 'b', 1);\n\t     * // => true\n\t     */\n\t    function startsWith(string, target, position) {\n\t      string = toString(string);\n\t      position = position == null\n\t        ? 0\n\t        : baseClamp(toInteger(position), 0, string.length);\n\t\n\t      target = baseToString(target);\n\t      return string.slice(position, position + target.length) == target;\n\t    }\n\t\n\t    /**\n\t     * Creates a compiled template function that can interpolate data properties\n\t     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n\t     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n\t     * properties may be accessed as free variables in the template. If a setting\n\t     * object is given, it takes precedence over `_.templateSettings` values.\n\t     *\n\t     * **Note:** In the development build `_.template` utilizes\n\t     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n\t     * for easier debugging.\n\t     *\n\t     * For more information on precompiling templates see\n\t     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n\t     *\n\t     * For more information on Chrome extension sandboxes see\n\t     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category String\n\t     * @param {string} [string=''] The template string.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {RegExp} [options.escape=_.templateSettings.escape]\n\t     *  The HTML \"escape\" delimiter.\n\t     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n\t     *  The \"evaluate\" delimiter.\n\t     * @param {Object} [options.imports=_.templateSettings.imports]\n\t     *  An object to import into the template as free variables.\n\t     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n\t     *  The \"interpolate\" delimiter.\n\t     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n\t     *  The sourceURL of the compiled template.\n\t     * @param {string} [options.variable='obj']\n\t     *  The data object variable name.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Function} Returns the compiled template function.\n\t     * @example\n\t     *\n\t     * // Use the \"interpolate\" delimiter to create a compiled template.\n\t     * var compiled = _.template('hello <%= user %>!');\n\t     * compiled({ 'user': 'fred' });\n\t     * // => 'hello fred!'\n\t     *\n\t     * // Use the HTML \"escape\" delimiter to escape data property values.\n\t     * var compiled = _.template('<b><%- value %></b>');\n\t     * compiled({ 'value': '<script>' });\n\t     * // => '<b>&lt;script&gt;</b>'\n\t     *\n\t     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n\t     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n\t     * compiled({ 'users': ['fred', 'barney'] });\n\t     * // => '<li>fred</li><li>barney</li>'\n\t     *\n\t     * // Use the internal `print` function in \"evaluate\" delimiters.\n\t     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n\t     * compiled({ 'user': 'barney' });\n\t     * // => 'hello barney!'\n\t     *\n\t     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n\t     * // Disable support by replacing the \"interpolate\" delimiter.\n\t     * var compiled = _.template('hello ${ user }!');\n\t     * compiled({ 'user': 'pebbles' });\n\t     * // => 'hello pebbles!'\n\t     *\n\t     * // Use backslashes to treat delimiters as plain text.\n\t     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n\t     * compiled({ 'value': 'ignored' });\n\t     * // => '<%- value %>'\n\t     *\n\t     * // Use the `imports` option to import `jQuery` as `jq`.\n\t     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n\t     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n\t     * compiled({ 'users': ['fred', 'barney'] });\n\t     * // => '<li>fred</li><li>barney</li>'\n\t     *\n\t     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n\t     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n\t     * compiled(data);\n\t     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n\t     *\n\t     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n\t     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n\t     * compiled.source;\n\t     * // => function(data) {\n\t     * //   var __t, __p = '';\n\t     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n\t     * //   return __p;\n\t     * // }\n\t     *\n\t     * // Use custom template delimiters.\n\t     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n\t     * var compiled = _.template('hello {{ user }}!');\n\t     * compiled({ 'user': 'mustache' });\n\t     * // => 'hello mustache!'\n\t     *\n\t     * // Use the `source` property to inline compiled templates for meaningful\n\t     * // line numbers in error messages and stack traces.\n\t     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n\t     *   var JST = {\\\n\t     *     \"main\": ' + _.template(mainText).source + '\\\n\t     *   };\\\n\t     * ');\n\t     */\n\t    function template(string, options, guard) {\n\t      // Based on John Resig's `tmpl` implementation\n\t      // (http://ejohn.org/blog/javascript-micro-templating/)\n\t      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n\t      var settings = lodash.templateSettings;\n\t\n\t      if (guard && isIterateeCall(string, options, guard)) {\n\t        options = undefined;\n\t      }\n\t      string = toString(string);\n\t      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\t\n\t      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n\t          importsKeys = keys(imports),\n\t          importsValues = baseValues(imports, importsKeys);\n\t\n\t      var isEscaping,\n\t          isEvaluating,\n\t          index = 0,\n\t          interpolate = options.interpolate || reNoMatch,\n\t          source = \"__p += '\";\n\t\n\t      // Compile the regexp to match each delimiter.\n\t      var reDelimiters = RegExp(\n\t        (options.escape || reNoMatch).source + '|' +\n\t        interpolate.source + '|' +\n\t        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n\t        (options.evaluate || reNoMatch).source + '|$'\n\t      , 'g');\n\t\n\t      // Use a sourceURL for easier debugging.\n\t      var sourceURL = '//# sourceURL=' +\n\t        ('sourceURL' in options\n\t          ? options.sourceURL\n\t          : ('lodash.templateSources[' + (++templateCounter) + ']')\n\t        ) + '\\n';\n\t\n\t      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n\t        interpolateValue || (interpolateValue = esTemplateValue);\n\t\n\t        // Escape characters that can't be included in string literals.\n\t        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\t\n\t        // Replace delimiters with snippets.\n\t        if (escapeValue) {\n\t          isEscaping = true;\n\t          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n\t        }\n\t        if (evaluateValue) {\n\t          isEvaluating = true;\n\t          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n\t        }\n\t        if (interpolateValue) {\n\t          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n\t        }\n\t        index = offset + match.length;\n\t\n\t        // The JS engine embedded in Adobe products needs `match` returned in\n\t        // order to produce the correct `offset` value.\n\t        return match;\n\t      });\n\t\n\t      source += \"';\\n\";\n\t\n\t      // If `variable` is not specified wrap a with-statement around the generated\n\t      // code to add the data object to the top of the scope chain.\n\t      var variable = options.variable;\n\t      if (!variable) {\n\t        source = 'with (obj) {\\n' + source + '\\n}\\n';\n\t      }\n\t      // Cleanup code by stripping empty strings.\n\t      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n\t        .replace(reEmptyStringMiddle, '$1')\n\t        .replace(reEmptyStringTrailing, '$1;');\n\t\n\t      // Frame code as the function body.\n\t      source = 'function(' + (variable || 'obj') + ') {\\n' +\n\t        (variable\n\t          ? ''\n\t          : 'obj || (obj = {});\\n'\n\t        ) +\n\t        \"var __t, __p = ''\" +\n\t        (isEscaping\n\t           ? ', __e = _.escape'\n\t           : ''\n\t        ) +\n\t        (isEvaluating\n\t          ? ', __j = Array.prototype.join;\\n' +\n\t            \"function print() { __p += __j.call(arguments, '') }\\n\"\n\t          : ';\\n'\n\t        ) +\n\t        source +\n\t        'return __p\\n}';\n\t\n\t      var result = attempt(function() {\n\t        return Function(importsKeys, sourceURL + 'return ' + source)\n\t          .apply(undefined, importsValues);\n\t      });\n\t\n\t      // Provide the compiled function's source by its `toString` method or\n\t      // the `source` property as a convenience for inlining compiled templates.\n\t      result.source = source;\n\t      if (isError(result)) {\n\t        throw result;\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as a whole, to lower case just like\n\t     * [String#toLowerCase](https://mdn.io/toLowerCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the lower cased string.\n\t     * @example\n\t     *\n\t     * _.toLower('--Foo-Bar--');\n\t     * // => '--foo-bar--'\n\t     *\n\t     * _.toLower('fooBar');\n\t     * // => 'foobar'\n\t     *\n\t     * _.toLower('__FOO_BAR__');\n\t     * // => '__foo_bar__'\n\t     */\n\t    function toLower(value) {\n\t      return toString(value).toLowerCase();\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as a whole, to upper case just like\n\t     * [String#toUpperCase](https://mdn.io/toUpperCase).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the upper cased string.\n\t     * @example\n\t     *\n\t     * _.toUpper('--foo-bar--');\n\t     * // => '--FOO-BAR--'\n\t     *\n\t     * _.toUpper('fooBar');\n\t     * // => 'FOOBAR'\n\t     *\n\t     * _.toUpper('__foo_bar__');\n\t     * // => '__FOO_BAR__'\n\t     */\n\t    function toUpper(value) {\n\t      return toString(value).toUpperCase();\n\t    }\n\t\n\t    /**\n\t     * Removes leading and trailing whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trim('  abc  ');\n\t     * // => 'abc'\n\t     *\n\t     * _.trim('-_-abc-_-', '_-');\n\t     * // => 'abc'\n\t     *\n\t     * _.map(['  foo  ', '  bar  '], _.trim);\n\t     * // => ['foo', 'bar']\n\t     */\n\t    function trim(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrim, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          chrSymbols = stringToArray(chars),\n\t          start = charsStartIndex(strSymbols, chrSymbols),\n\t          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\t\n\t      return castSlice(strSymbols, start, end).join('');\n\t    }\n\t\n\t    /**\n\t     * Removes trailing whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trimEnd('  abc  ');\n\t     * // => '  abc'\n\t     *\n\t     * _.trimEnd('-_-abc-_-', '_-');\n\t     * // => '-_-abc'\n\t     */\n\t    function trimEnd(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrimEnd, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\t\n\t      return castSlice(strSymbols, 0, end).join('');\n\t    }\n\t\n\t    /**\n\t     * Removes leading whitespace or specified characters from `string`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to trim.\n\t     * @param {string} [chars=whitespace] The characters to trim.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {string} Returns the trimmed string.\n\t     * @example\n\t     *\n\t     * _.trimStart('  abc  ');\n\t     * // => 'abc  '\n\t     *\n\t     * _.trimStart('-_-abc-_-', '_-');\n\t     * // => 'abc-_-'\n\t     */\n\t    function trimStart(string, chars, guard) {\n\t      string = toString(string);\n\t      if (string && (guard || chars === undefined)) {\n\t        return string.replace(reTrimStart, '');\n\t      }\n\t      if (!string || !(chars = baseToString(chars))) {\n\t        return string;\n\t      }\n\t      var strSymbols = stringToArray(string),\n\t          start = charsStartIndex(strSymbols, stringToArray(chars));\n\t\n\t      return castSlice(strSymbols, start).join('');\n\t    }\n\t\n\t    /**\n\t     * Truncates `string` if it's longer than the given maximum string length.\n\t     * The last characters of the truncated string are replaced with the omission\n\t     * string which defaults to \"...\".\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to truncate.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {number} [options.length=30] The maximum string length.\n\t     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n\t     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n\t     * @returns {string} Returns the truncated string.\n\t     * @example\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino');\n\t     * // => 'hi-diddly-ho there, neighbo...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'length': 24,\n\t     *   'separator': ' '\n\t     * });\n\t     * // => 'hi-diddly-ho there,...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'length': 24,\n\t     *   'separator': /,? +/\n\t     * });\n\t     * // => 'hi-diddly-ho there...'\n\t     *\n\t     * _.truncate('hi-diddly-ho there, neighborino', {\n\t     *   'omission': ' [...]'\n\t     * });\n\t     * // => 'hi-diddly-ho there, neig [...]'\n\t     */\n\t    function truncate(string, options) {\n\t      var length = DEFAULT_TRUNC_LENGTH,\n\t          omission = DEFAULT_TRUNC_OMISSION;\n\t\n\t      if (isObject(options)) {\n\t        var separator = 'separator' in options ? options.separator : separator;\n\t        length = 'length' in options ? toInteger(options.length) : length;\n\t        omission = 'omission' in options ? baseToString(options.omission) : omission;\n\t      }\n\t      string = toString(string);\n\t\n\t      var strLength = string.length;\n\t      if (hasUnicode(string)) {\n\t        var strSymbols = stringToArray(string);\n\t        strLength = strSymbols.length;\n\t      }\n\t      if (length >= strLength) {\n\t        return string;\n\t      }\n\t      var end = length - stringSize(omission);\n\t      if (end < 1) {\n\t        return omission;\n\t      }\n\t      var result = strSymbols\n\t        ? castSlice(strSymbols, 0, end).join('')\n\t        : string.slice(0, end);\n\t\n\t      if (separator === undefined) {\n\t        return result + omission;\n\t      }\n\t      if (strSymbols) {\n\t        end += (result.length - end);\n\t      }\n\t      if (isRegExp(separator)) {\n\t        if (string.slice(end).search(separator)) {\n\t          var match,\n\t              substring = result;\n\t\n\t          if (!separator.global) {\n\t            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n\t          }\n\t          separator.lastIndex = 0;\n\t          while ((match = separator.exec(substring))) {\n\t            var newEnd = match.index;\n\t          }\n\t          result = result.slice(0, newEnd === undefined ? end : newEnd);\n\t        }\n\t      } else if (string.indexOf(baseToString(separator), end) != end) {\n\t        var index = result.lastIndexOf(separator);\n\t        if (index > -1) {\n\t          result = result.slice(0, index);\n\t        }\n\t      }\n\t      return result + omission;\n\t    }\n\t\n\t    /**\n\t     * The inverse of `_.escape`; this method converts the HTML entities\n\t     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n\t     * their corresponding characters.\n\t     *\n\t     * **Note:** No other HTML entities are unescaped. To unescape additional\n\t     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 0.6.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to unescape.\n\t     * @returns {string} Returns the unescaped string.\n\t     * @example\n\t     *\n\t     * _.unescape('fred, barney, &amp; pebbles');\n\t     * // => 'fred, barney, & pebbles'\n\t     */\n\t    function unescape(string) {\n\t      string = toString(string);\n\t      return (string && reHasEscapedHtml.test(string))\n\t        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n\t        : string;\n\t    }\n\t\n\t    /**\n\t     * Converts `string`, as space separated words, to upper case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the upper cased string.\n\t     * @example\n\t     *\n\t     * _.upperCase('--foo-bar');\n\t     * // => 'FOO BAR'\n\t     *\n\t     * _.upperCase('fooBar');\n\t     * // => 'FOO BAR'\n\t     *\n\t     * _.upperCase('__foo_bar__');\n\t     * // => 'FOO BAR'\n\t     */\n\t    var upperCase = createCompounder(function(result, word, index) {\n\t      return result + (index ? ' ' : '') + word.toUpperCase();\n\t    });\n\t\n\t    /**\n\t     * Converts the first character of `string` to upper case.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to convert.\n\t     * @returns {string} Returns the converted string.\n\t     * @example\n\t     *\n\t     * _.upperFirst('fred');\n\t     * // => 'Fred'\n\t     *\n\t     * _.upperFirst('FRED');\n\t     * // => 'FRED'\n\t     */\n\t    var upperFirst = createCaseFirst('toUpperCase');\n\t\n\t    /**\n\t     * Splits `string` into an array of its words.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category String\n\t     * @param {string} [string=''] The string to inspect.\n\t     * @param {RegExp|string} [pattern] The pattern to match words.\n\t     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t     * @returns {Array} Returns the words of `string`.\n\t     * @example\n\t     *\n\t     * _.words('fred, barney, & pebbles');\n\t     * // => ['fred', 'barney', 'pebbles']\n\t     *\n\t     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n\t     * // => ['fred', 'barney', '&', 'pebbles']\n\t     */\n\t    function words(string, pattern, guard) {\n\t      string = toString(string);\n\t      pattern = guard ? undefined : pattern;\n\t\n\t      if (pattern === undefined) {\n\t        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n\t      }\n\t      return string.match(pattern) || [];\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Attempts to invoke `func`, returning either the result or the caught error\n\t     * object. Any additional arguments are provided to `func` when it's invoked.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Function} func The function to attempt.\n\t     * @param {...*} [args] The arguments to invoke `func` with.\n\t     * @returns {*} Returns the `func` result or error object.\n\t     * @example\n\t     *\n\t     * // Avoid throwing errors for invalid selectors.\n\t     * var elements = _.attempt(function(selector) {\n\t     *   return document.querySelectorAll(selector);\n\t     * }, '>_>');\n\t     *\n\t     * if (_.isError(elements)) {\n\t     *   elements = [];\n\t     * }\n\t     */\n\t    var attempt = baseRest(function(func, args) {\n\t      try {\n\t        return apply(func, undefined, args);\n\t      } catch (e) {\n\t        return isError(e) ? e : new Error(e);\n\t      }\n\t    });\n\t\n\t    /**\n\t     * Binds methods of an object to the object itself, overwriting the existing\n\t     * method.\n\t     *\n\t     * **Note:** This method doesn't set the \"length\" property of bound functions.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {Object} object The object to bind and assign the bound methods to.\n\t     * @param {...(string|string[])} methodNames The object method names to bind.\n\t     * @returns {Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * var view = {\n\t     *   'label': 'docs',\n\t     *   'click': function() {\n\t     *     console.log('clicked ' + this.label);\n\t     *   }\n\t     * };\n\t     *\n\t     * _.bindAll(view, ['click']);\n\t     * jQuery(element).on('click', view.click);\n\t     * // => Logs 'clicked docs' when clicked.\n\t     */\n\t    var bindAll = flatRest(function(object, methodNames) {\n\t      arrayEach(methodNames, function(key) {\n\t        key = toKey(key);\n\t        baseAssignValue(object, key, bind(object[key], object));\n\t      });\n\t      return object;\n\t    });\n\t\n\t    /**\n\t     * Creates a function that iterates over `pairs` and invokes the corresponding\n\t     * function of the first predicate to return truthy. The predicate-function\n\t     * pairs are invoked with the `this` binding and arguments of the created\n\t     * function.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {Array} pairs The predicate-function pairs.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @example\n\t     *\n\t     * var func = _.cond([\n\t     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n\t     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n\t     *   [_.stubTrue,                      _.constant('no match')]\n\t     * ]);\n\t     *\n\t     * func({ 'a': 1, 'b': 2 });\n\t     * // => 'matches A'\n\t     *\n\t     * func({ 'a': 0, 'b': 1 });\n\t     * // => 'matches B'\n\t     *\n\t     * func({ 'a': '1', 'b': '2' });\n\t     * // => 'no match'\n\t     */\n\t    function cond(pairs) {\n\t      var length = pairs == null ? 0 : pairs.length,\n\t          toIteratee = getIteratee();\n\t\n\t      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n\t        if (typeof pair[1] != 'function') {\n\t          throw new TypeError(FUNC_ERROR_TEXT);\n\t        }\n\t        return [toIteratee(pair[0]), pair[1]];\n\t      });\n\t\n\t      return baseRest(function(args) {\n\t        var index = -1;\n\t        while (++index < length) {\n\t          var pair = pairs[index];\n\t          if (apply(pair[0], this, args)) {\n\t            return apply(pair[1], this, args);\n\t          }\n\t        }\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes the predicate properties of `source` with\n\t     * the corresponding property values of a given object, returning `true` if\n\t     * all predicates return truthy, else `false`.\n\t     *\n\t     * **Note:** The created function is equivalent to `_.conformsTo` with\n\t     * `source` partially applied.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {Object} source The object of property predicates to conform to.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 2, 'b': 1 },\n\t     *   { 'a': 1, 'b': 2 }\n\t     * ];\n\t     *\n\t     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n\t     * // => [{ 'a': 1, 'b': 2 }]\n\t     */\n\t    function conforms(source) {\n\t      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that returns `value`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Util\n\t     * @param {*} value The value to return from the new function.\n\t     * @returns {Function} Returns the new constant function.\n\t     * @example\n\t     *\n\t     * var objects = _.times(2, _.constant({ 'a': 1 }));\n\t     *\n\t     * console.log(objects);\n\t     * // => [{ 'a': 1 }, { 'a': 1 }]\n\t     *\n\t     * console.log(objects[0] === objects[1]);\n\t     * // => true\n\t     */\n\t    function constant(value) {\n\t      return function() {\n\t        return value;\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Checks `value` to determine whether a default value should be returned in\n\t     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n\t     * or `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.14.0\n\t     * @category Util\n\t     * @param {*} value The value to check.\n\t     * @param {*} defaultValue The default value.\n\t     * @returns {*} Returns the resolved value.\n\t     * @example\n\t     *\n\t     * _.defaultTo(1, 10);\n\t     * // => 1\n\t     *\n\t     * _.defaultTo(undefined, 10);\n\t     * // => 10\n\t     */\n\t    function defaultTo(value, defaultValue) {\n\t      return (value == null || value !== value) ? defaultValue : value;\n\t    }\n\t\n\t    /**\n\t     * Creates a function that returns the result of invoking the given functions\n\t     * with the `this` binding of the created function, where each successive\n\t     * invocation is supplied the return value of the previous.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @see _.flowRight\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var addSquare = _.flow([_.add, square]);\n\t     * addSquare(1, 2);\n\t     * // => 9\n\t     */\n\t    var flow = createFlow();\n\t\n\t    /**\n\t     * This method is like `_.flow` except that it creates a function that\n\t     * invokes the given functions from right to left.\n\t     *\n\t     * @static\n\t     * @since 3.0.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n\t     * @returns {Function} Returns the new composite function.\n\t     * @see _.flow\n\t     * @example\n\t     *\n\t     * function square(n) {\n\t     *   return n * n;\n\t     * }\n\t     *\n\t     * var addSquare = _.flowRight([square, _.add]);\n\t     * addSquare(1, 2);\n\t     * // => 9\n\t     */\n\t    var flowRight = createFlow(true);\n\t\n\t    /**\n\t     * This method returns the first argument it receives.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {*} value Any value.\n\t     * @returns {*} Returns `value`.\n\t     * @example\n\t     *\n\t     * var object = { 'a': 1 };\n\t     *\n\t     * console.log(_.identity(object) === object);\n\t     * // => true\n\t     */\n\t    function identity(value) {\n\t      return value;\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `func` with the arguments of the created\n\t     * function. If `func` is a property name, the created function returns the\n\t     * property value for a given element. If `func` is an array or object, the\n\t     * created function returns `true` for elements that contain the equivalent\n\t     * source properties, otherwise it returns `false`.\n\t     *\n\t     * @static\n\t     * @since 4.0.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {*} [func=_.identity] The value to convert to a callback.\n\t     * @returns {Function} Returns the callback.\n\t     * @example\n\t     *\n\t     * var users = [\n\t     *   { 'user': 'barney', 'age': 36, 'active': true },\n\t     *   { 'user': 'fred',   'age': 40, 'active': false }\n\t     * ];\n\t     *\n\t     * // The `_.matches` iteratee shorthand.\n\t     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n\t     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n\t     *\n\t     * // The `_.matchesProperty` iteratee shorthand.\n\t     * _.filter(users, _.iteratee(['user', 'fred']));\n\t     * // => [{ 'user': 'fred', 'age': 40 }]\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.map(users, _.iteratee('user'));\n\t     * // => ['barney', 'fred']\n\t     *\n\t     * // Create custom iteratee shorthands.\n\t     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n\t     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n\t     *     return func.test(string);\n\t     *   };\n\t     * });\n\t     *\n\t     * _.filter(['abc', 'def'], /ef/);\n\t     * // => ['def']\n\t     */\n\t    function iteratee(func) {\n\t      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a partial deep comparison between a given\n\t     * object and `source`, returning `true` if the given object has equivalent\n\t     * property values, else `false`.\n\t     *\n\t     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n\t     * partially applied.\n\t     *\n\t     * Partial comparisons will match empty array and empty object `source`\n\t     * values against any array or object value, respectively. See `_.isEqual`\n\t     * for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Object} source The object of property values to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 1, 'b': 2, 'c': 3 },\n\t     *   { 'a': 4, 'b': 5, 'c': 6 }\n\t     * ];\n\t     *\n\t     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n\t     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n\t     */\n\t    function matches(source) {\n\t      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that performs a partial deep comparison between the\n\t     * value at `path` of a given object to `srcValue`, returning `true` if the\n\t     * object value is equivalent, else `false`.\n\t     *\n\t     * **Note:** Partial comparisons will match empty array and empty object\n\t     * `srcValue` values against any array or object value, respectively. See\n\t     * `_.isEqual` for a list of supported value comparisons.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.2.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @param {*} srcValue The value to match.\n\t     * @returns {Function} Returns the new spec function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': 1, 'b': 2, 'c': 3 },\n\t     *   { 'a': 4, 'b': 5, 'c': 6 }\n\t     * ];\n\t     *\n\t     * _.find(objects, _.matchesProperty('a', 4));\n\t     * // => { 'a': 4, 'b': 5, 'c': 6 }\n\t     */\n\t    function matchesProperty(path, srcValue) {\n\t      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes the method at `path` of a given object.\n\t     * Any additional arguments are provided to the invoked method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the method to invoke.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {Function} Returns the new invoker function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': { 'b': _.constant(2) } },\n\t     *   { 'a': { 'b': _.constant(1) } }\n\t     * ];\n\t     *\n\t     * _.map(objects, _.method('a.b'));\n\t     * // => [2, 1]\n\t     *\n\t     * _.map(objects, _.method(['a', 'b']));\n\t     * // => [2, 1]\n\t     */\n\t    var method = baseRest(function(path, args) {\n\t      return function(object) {\n\t        return baseInvoke(object, path, args);\n\t      };\n\t    });\n\t\n\t    /**\n\t     * The opposite of `_.method`; this method creates a function that invokes\n\t     * the method at a given path of `object`. Any additional arguments are\n\t     * provided to the invoked method.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.7.0\n\t     * @category Util\n\t     * @param {Object} object The object to query.\n\t     * @param {...*} [args] The arguments to invoke the method with.\n\t     * @returns {Function} Returns the new invoker function.\n\t     * @example\n\t     *\n\t     * var array = _.times(3, _.constant),\n\t     *     object = { 'a': array, 'b': array, 'c': array };\n\t     *\n\t     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n\t     * // => [2, 0]\n\t     *\n\t     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n\t     * // => [2, 0]\n\t     */\n\t    var methodOf = baseRest(function(object, args) {\n\t      return function(path) {\n\t        return baseInvoke(object, path, args);\n\t      };\n\t    });\n\t\n\t    /**\n\t     * Adds all own enumerable string keyed function properties of a source\n\t     * object to the destination object. If `object` is a function, then methods\n\t     * are added to its prototype as well.\n\t     *\n\t     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n\t     * avoid conflicts caused by modifying the original.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {Function|Object} [object=lodash] The destination object.\n\t     * @param {Object} source The object of functions to add.\n\t     * @param {Object} [options={}] The options object.\n\t     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n\t     * @returns {Function|Object} Returns `object`.\n\t     * @example\n\t     *\n\t     * function vowels(string) {\n\t     *   return _.filter(string, function(v) {\n\t     *     return /[aeiou]/i.test(v);\n\t     *   });\n\t     * }\n\t     *\n\t     * _.mixin({ 'vowels': vowels });\n\t     * _.vowels('fred');\n\t     * // => ['e']\n\t     *\n\t     * _('fred').vowels().value();\n\t     * // => ['e']\n\t     *\n\t     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n\t     * _('fred').vowels();\n\t     * // => ['e']\n\t     */\n\t    function mixin(object, source, options) {\n\t      var props = keys(source),\n\t          methodNames = baseFunctions(source, props);\n\t\n\t      if (options == null &&\n\t          !(isObject(source) && (methodNames.length || !props.length))) {\n\t        options = source;\n\t        source = object;\n\t        object = this;\n\t        methodNames = baseFunctions(source, keys(source));\n\t      }\n\t      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n\t          isFunc = isFunction(object);\n\t\n\t      arrayEach(methodNames, function(methodName) {\n\t        var func = source[methodName];\n\t        object[methodName] = func;\n\t        if (isFunc) {\n\t          object.prototype[methodName] = function() {\n\t            var chainAll = this.__chain__;\n\t            if (chain || chainAll) {\n\t              var result = object(this.__wrapped__),\n\t                  actions = result.__actions__ = copyArray(this.__actions__);\n\t\n\t              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n\t              result.__chain__ = chainAll;\n\t              return result;\n\t            }\n\t            return func.apply(object, arrayPush([this.value()], arguments));\n\t          };\n\t        }\n\t      });\n\t\n\t      return object;\n\t    }\n\t\n\t    /**\n\t     * Reverts the `_` variable to its previous value and returns a reference to\n\t     * the `lodash` function.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @returns {Function} Returns the `lodash` function.\n\t     * @example\n\t     *\n\t     * var lodash = _.noConflict();\n\t     */\n\t    function noConflict() {\n\t      if (root._ === this) {\n\t        root._ = oldDash;\n\t      }\n\t      return this;\n\t    }\n\t\n\t    /**\n\t     * This method returns `undefined`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.3.0\n\t     * @category Util\n\t     * @example\n\t     *\n\t     * _.times(2, _.noop);\n\t     * // => [undefined, undefined]\n\t     */\n\t    function noop() {\n\t      // No operation performed.\n\t    }\n\t\n\t    /**\n\t     * Creates a function that gets the argument at index `n`. If `n` is negative,\n\t     * the nth argument from the end is returned.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {number} [n=0] The index of the argument to return.\n\t     * @returns {Function} Returns the new pass-thru function.\n\t     * @example\n\t     *\n\t     * var func = _.nthArg(1);\n\t     * func('a', 'b', 'c', 'd');\n\t     * // => 'b'\n\t     *\n\t     * var func = _.nthArg(-2);\n\t     * func('a', 'b', 'c', 'd');\n\t     * // => 'c'\n\t     */\n\t    function nthArg(n) {\n\t      n = toInteger(n);\n\t      return baseRest(function(args) {\n\t        return baseNth(args, n);\n\t      });\n\t    }\n\t\n\t    /**\n\t     * Creates a function that invokes `iteratees` with the arguments it receives\n\t     * and returns their results.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n\t     *  The iteratees to invoke.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.over([Math.max, Math.min]);\n\t     *\n\t     * func(1, 2, 3, 4);\n\t     * // => [4, 1]\n\t     */\n\t    var over = createOver(arrayMap);\n\t\n\t    /**\n\t     * Creates a function that checks if **all** of the `predicates` return\n\t     * truthy when invoked with the arguments it receives.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [predicates=[_.identity]]\n\t     *  The predicates to check.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.overEvery([Boolean, isFinite]);\n\t     *\n\t     * func('1');\n\t     * // => true\n\t     *\n\t     * func(null);\n\t     * // => false\n\t     *\n\t     * func(NaN);\n\t     * // => false\n\t     */\n\t    var overEvery = createOver(arrayEvery);\n\t\n\t    /**\n\t     * Creates a function that checks if **any** of the `predicates` return\n\t     * truthy when invoked with the arguments it receives.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {...(Function|Function[])} [predicates=[_.identity]]\n\t     *  The predicates to check.\n\t     * @returns {Function} Returns the new function.\n\t     * @example\n\t     *\n\t     * var func = _.overSome([Boolean, isFinite]);\n\t     *\n\t     * func('1');\n\t     * // => true\n\t     *\n\t     * func(null);\n\t     * // => true\n\t     *\n\t     * func(NaN);\n\t     * // => false\n\t     */\n\t    var overSome = createOver(arraySome);\n\t\n\t    /**\n\t     * Creates a function that returns the value at `path` of a given object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 2.4.0\n\t     * @category Util\n\t     * @param {Array|string} path The path of the property to get.\n\t     * @returns {Function} Returns the new accessor function.\n\t     * @example\n\t     *\n\t     * var objects = [\n\t     *   { 'a': { 'b': 2 } },\n\t     *   { 'a': { 'b': 1 } }\n\t     * ];\n\t     *\n\t     * _.map(objects, _.property('a.b'));\n\t     * // => [2, 1]\n\t     *\n\t     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n\t     * // => [1, 2]\n\t     */\n\t    function property(path) {\n\t      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n\t    }\n\t\n\t    /**\n\t     * The opposite of `_.property`; this method creates a function that returns\n\t     * the value at a given path of `object`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.0.0\n\t     * @category Util\n\t     * @param {Object} object The object to query.\n\t     * @returns {Function} Returns the new accessor function.\n\t     * @example\n\t     *\n\t     * var array = [0, 1, 2],\n\t     *     object = { 'a': array, 'b': array, 'c': array };\n\t     *\n\t     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n\t     * // => [2, 0]\n\t     *\n\t     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n\t     * // => [2, 0]\n\t     */\n\t    function propertyOf(object) {\n\t      return function(path) {\n\t        return object == null ? undefined : baseGet(object, path);\n\t      };\n\t    }\n\t\n\t    /**\n\t     * Creates an array of numbers (positive and/or negative) progressing from\n\t     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n\t     * `start` is specified without an `end` or `step`. If `end` is not specified,\n\t     * it's set to `start` with `start` then set to `0`.\n\t     *\n\t     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t     * floating-point values which can produce unexpected results.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} [step=1] The value to increment or decrement by.\n\t     * @returns {Array} Returns the range of numbers.\n\t     * @see _.inRange, _.rangeRight\n\t     * @example\n\t     *\n\t     * _.range(4);\n\t     * // => [0, 1, 2, 3]\n\t     *\n\t     * _.range(-4);\n\t     * // => [0, -1, -2, -3]\n\t     *\n\t     * _.range(1, 5);\n\t     * // => [1, 2, 3, 4]\n\t     *\n\t     * _.range(0, 20, 5);\n\t     * // => [0, 5, 10, 15]\n\t     *\n\t     * _.range(0, -4, -1);\n\t     * // => [0, -1, -2, -3]\n\t     *\n\t     * _.range(1, 4, 0);\n\t     * // => [1, 1, 1]\n\t     *\n\t     * _.range(0);\n\t     * // => []\n\t     */\n\t    var range = createRange();\n\t\n\t    /**\n\t     * This method is like `_.range` except that it populates values in\n\t     * descending order.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {number} [start=0] The start of the range.\n\t     * @param {number} end The end of the range.\n\t     * @param {number} [step=1] The value to increment or decrement by.\n\t     * @returns {Array} Returns the range of numbers.\n\t     * @see _.inRange, _.range\n\t     * @example\n\t     *\n\t     * _.rangeRight(4);\n\t     * // => [3, 2, 1, 0]\n\t     *\n\t     * _.rangeRight(-4);\n\t     * // => [-3, -2, -1, 0]\n\t     *\n\t     * _.rangeRight(1, 5);\n\t     * // => [4, 3, 2, 1]\n\t     *\n\t     * _.rangeRight(0, 20, 5);\n\t     * // => [15, 10, 5, 0]\n\t     *\n\t     * _.rangeRight(0, -4, -1);\n\t     * // => [-3, -2, -1, 0]\n\t     *\n\t     * _.rangeRight(1, 4, 0);\n\t     * // => [1, 1, 1]\n\t     *\n\t     * _.rangeRight(0);\n\t     * // => []\n\t     */\n\t    var rangeRight = createRange(true);\n\t\n\t    /**\n\t     * This method returns a new empty array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {Array} Returns the new empty array.\n\t     * @example\n\t     *\n\t     * var arrays = _.times(2, _.stubArray);\n\t     *\n\t     * console.log(arrays);\n\t     * // => [[], []]\n\t     *\n\t     * console.log(arrays[0] === arrays[1]);\n\t     * // => false\n\t     */\n\t    function stubArray() {\n\t      return [];\n\t    }\n\t\n\t    /**\n\t     * This method returns `false`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {boolean} Returns `false`.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubFalse);\n\t     * // => [false, false]\n\t     */\n\t    function stubFalse() {\n\t      return false;\n\t    }\n\t\n\t    /**\n\t     * This method returns a new empty object.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {Object} Returns the new empty object.\n\t     * @example\n\t     *\n\t     * var objects = _.times(2, _.stubObject);\n\t     *\n\t     * console.log(objects);\n\t     * // => [{}, {}]\n\t     *\n\t     * console.log(objects[0] === objects[1]);\n\t     * // => false\n\t     */\n\t    function stubObject() {\n\t      return {};\n\t    }\n\t\n\t    /**\n\t     * This method returns an empty string.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {string} Returns the empty string.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubString);\n\t     * // => ['', '']\n\t     */\n\t    function stubString() {\n\t      return '';\n\t    }\n\t\n\t    /**\n\t     * This method returns `true`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.13.0\n\t     * @category Util\n\t     * @returns {boolean} Returns `true`.\n\t     * @example\n\t     *\n\t     * _.times(2, _.stubTrue);\n\t     * // => [true, true]\n\t     */\n\t    function stubTrue() {\n\t      return true;\n\t    }\n\t\n\t    /**\n\t     * Invokes the iteratee `n` times, returning an array of the results of\n\t     * each invocation. The iteratee is invoked with one argument; (index).\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {number} n The number of times to invoke `iteratee`.\n\t     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t     * @returns {Array} Returns the array of results.\n\t     * @example\n\t     *\n\t     * _.times(3, String);\n\t     * // => ['0', '1', '2']\n\t     *\n\t     *  _.times(4, _.constant(0));\n\t     * // => [0, 0, 0, 0]\n\t     */\n\t    function times(n, iteratee) {\n\t      n = toInteger(n);\n\t      if (n < 1 || n > MAX_SAFE_INTEGER) {\n\t        return [];\n\t      }\n\t      var index = MAX_ARRAY_LENGTH,\n\t          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\t\n\t      iteratee = getIteratee(iteratee);\n\t      n -= MAX_ARRAY_LENGTH;\n\t\n\t      var result = baseTimes(length, iteratee);\n\t      while (++index < n) {\n\t        iteratee(index);\n\t      }\n\t      return result;\n\t    }\n\t\n\t    /**\n\t     * Converts `value` to a property path array.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Util\n\t     * @param {*} value The value to convert.\n\t     * @returns {Array} Returns the new property path array.\n\t     * @example\n\t     *\n\t     * _.toPath('a.b.c');\n\t     * // => ['a', 'b', 'c']\n\t     *\n\t     * _.toPath('a[0].b.c');\n\t     * // => ['a', '0', 'b', 'c']\n\t     */\n\t    function toPath(value) {\n\t      if (isArray(value)) {\n\t        return arrayMap(value, toKey);\n\t      }\n\t      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n\t    }\n\t\n\t    /**\n\t     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Util\n\t     * @param {string} [prefix=''] The value to prefix the ID with.\n\t     * @returns {string} Returns the unique ID.\n\t     * @example\n\t     *\n\t     * _.uniqueId('contact_');\n\t     * // => 'contact_104'\n\t     *\n\t     * _.uniqueId();\n\t     * // => '105'\n\t     */\n\t    function uniqueId(prefix) {\n\t      var id = ++idCounter;\n\t      return toString(prefix) + id;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * Adds two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.4.0\n\t     * @category Math\n\t     * @param {number} augend The first number in an addition.\n\t     * @param {number} addend The second number in an addition.\n\t     * @returns {number} Returns the total.\n\t     * @example\n\t     *\n\t     * _.add(6, 4);\n\t     * // => 10\n\t     */\n\t    var add = createMathOperation(function(augend, addend) {\n\t      return augend + addend;\n\t    }, 0);\n\t\n\t    /**\n\t     * Computes `number` rounded up to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round up.\n\t     * @param {number} [precision=0] The precision to round up to.\n\t     * @returns {number} Returns the rounded up number.\n\t     * @example\n\t     *\n\t     * _.ceil(4.006);\n\t     * // => 5\n\t     *\n\t     * _.ceil(6.004, 2);\n\t     * // => 6.01\n\t     *\n\t     * _.ceil(6040, -2);\n\t     * // => 6100\n\t     */\n\t    var ceil = createRound('ceil');\n\t\n\t    /**\n\t     * Divide two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {number} dividend The first number in a division.\n\t     * @param {number} divisor The second number in a division.\n\t     * @returns {number} Returns the quotient.\n\t     * @example\n\t     *\n\t     * _.divide(6, 4);\n\t     * // => 1.5\n\t     */\n\t    var divide = createMathOperation(function(dividend, divisor) {\n\t      return dividend / divisor;\n\t    }, 1);\n\t\n\t    /**\n\t     * Computes `number` rounded down to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round down.\n\t     * @param {number} [precision=0] The precision to round down to.\n\t     * @returns {number} Returns the rounded down number.\n\t     * @example\n\t     *\n\t     * _.floor(4.006);\n\t     * // => 4\n\t     *\n\t     * _.floor(0.046, 2);\n\t     * // => 0.04\n\t     *\n\t     * _.floor(4060, -2);\n\t     * // => 4000\n\t     */\n\t    var floor = createRound('floor');\n\t\n\t    /**\n\t     * Computes the maximum value of `array`. If `array` is empty or falsey,\n\t     * `undefined` is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {*} Returns the maximum value.\n\t     * @example\n\t     *\n\t     * _.max([4, 2, 8, 6]);\n\t     * // => 8\n\t     *\n\t     * _.max([]);\n\t     * // => undefined\n\t     */\n\t    function max(array) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, identity, baseGt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.max` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * the value is ranked. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {*} Returns the maximum value.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n\t     *\n\t     * _.maxBy(objects, function(o) { return o.n; });\n\t     * // => { 'n': 2 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.maxBy(objects, 'n');\n\t     * // => { 'n': 2 }\n\t     */\n\t    function maxBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * Computes the mean of the values in `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {number} Returns the mean.\n\t     * @example\n\t     *\n\t     * _.mean([4, 2, 8, 6]);\n\t     * // => 5\n\t     */\n\t    function mean(array) {\n\t      return baseMean(array, identity);\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.mean` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the value to be averaged.\n\t     * The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the mean.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n\t     *\n\t     * _.meanBy(objects, function(o) { return o.n; });\n\t     * // => 5\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.meanBy(objects, 'n');\n\t     * // => 5\n\t     */\n\t    function meanBy(array, iteratee) {\n\t      return baseMean(array, getIteratee(iteratee, 2));\n\t    }\n\t\n\t    /**\n\t     * Computes the minimum value of `array`. If `array` is empty or falsey,\n\t     * `undefined` is returned.\n\t     *\n\t     * @static\n\t     * @since 0.1.0\n\t     * @memberOf _\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {*} Returns the minimum value.\n\t     * @example\n\t     *\n\t     * _.min([4, 2, 8, 6]);\n\t     * // => 2\n\t     *\n\t     * _.min([]);\n\t     * // => undefined\n\t     */\n\t    function min(array) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, identity, baseLt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.min` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the criterion by which\n\t     * the value is ranked. The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {*} Returns the minimum value.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n\t     *\n\t     * _.minBy(objects, function(o) { return o.n; });\n\t     * // => { 'n': 1 }\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.minBy(objects, 'n');\n\t     * // => { 'n': 1 }\n\t     */\n\t    function minBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n\t        : undefined;\n\t    }\n\t\n\t    /**\n\t     * Multiply two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.7.0\n\t     * @category Math\n\t     * @param {number} multiplier The first number in a multiplication.\n\t     * @param {number} multiplicand The second number in a multiplication.\n\t     * @returns {number} Returns the product.\n\t     * @example\n\t     *\n\t     * _.multiply(6, 4);\n\t     * // => 24\n\t     */\n\t    var multiply = createMathOperation(function(multiplier, multiplicand) {\n\t      return multiplier * multiplicand;\n\t    }, 1);\n\t\n\t    /**\n\t     * Computes `number` rounded to `precision`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.10.0\n\t     * @category Math\n\t     * @param {number} number The number to round.\n\t     * @param {number} [precision=0] The precision to round to.\n\t     * @returns {number} Returns the rounded number.\n\t     * @example\n\t     *\n\t     * _.round(4.006);\n\t     * // => 4\n\t     *\n\t     * _.round(4.006, 2);\n\t     * // => 4.01\n\t     *\n\t     * _.round(4060, -2);\n\t     * // => 4100\n\t     */\n\t    var round = createRound('round');\n\t\n\t    /**\n\t     * Subtract two numbers.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {number} minuend The first number in a subtraction.\n\t     * @param {number} subtrahend The second number in a subtraction.\n\t     * @returns {number} Returns the difference.\n\t     * @example\n\t     *\n\t     * _.subtract(6, 4);\n\t     * // => 2\n\t     */\n\t    var subtract = createMathOperation(function(minuend, subtrahend) {\n\t      return minuend - subtrahend;\n\t    }, 0);\n\t\n\t    /**\n\t     * Computes the sum of the values in `array`.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 3.4.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @returns {number} Returns the sum.\n\t     * @example\n\t     *\n\t     * _.sum([4, 2, 8, 6]);\n\t     * // => 20\n\t     */\n\t    function sum(array) {\n\t      return (array && array.length)\n\t        ? baseSum(array, identity)\n\t        : 0;\n\t    }\n\t\n\t    /**\n\t     * This method is like `_.sum` except that it accepts `iteratee` which is\n\t     * invoked for each element in `array` to generate the value to be summed.\n\t     * The iteratee is invoked with one argument: (value).\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @since 4.0.0\n\t     * @category Math\n\t     * @param {Array} array The array to iterate over.\n\t     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n\t     * @returns {number} Returns the sum.\n\t     * @example\n\t     *\n\t     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n\t     *\n\t     * _.sumBy(objects, function(o) { return o.n; });\n\t     * // => 20\n\t     *\n\t     * // The `_.property` iteratee shorthand.\n\t     * _.sumBy(objects, 'n');\n\t     * // => 20\n\t     */\n\t    function sumBy(array, iteratee) {\n\t      return (array && array.length)\n\t        ? baseSum(array, getIteratee(iteratee, 2))\n\t        : 0;\n\t    }\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    // Add methods that return wrapped values in chain sequences.\n\t    lodash.after = after;\n\t    lodash.ary = ary;\n\t    lodash.assign = assign;\n\t    lodash.assignIn = assignIn;\n\t    lodash.assignInWith = assignInWith;\n\t    lodash.assignWith = assignWith;\n\t    lodash.at = at;\n\t    lodash.before = before;\n\t    lodash.bind = bind;\n\t    lodash.bindAll = bindAll;\n\t    lodash.bindKey = bindKey;\n\t    lodash.castArray = castArray;\n\t    lodash.chain = chain;\n\t    lodash.chunk = chunk;\n\t    lodash.compact = compact;\n\t    lodash.concat = concat;\n\t    lodash.cond = cond;\n\t    lodash.conforms = conforms;\n\t    lodash.constant = constant;\n\t    lodash.countBy = countBy;\n\t    lodash.create = create;\n\t    lodash.curry = curry;\n\t    lodash.curryRight = curryRight;\n\t    lodash.debounce = debounce;\n\t    lodash.defaults = defaults;\n\t    lodash.defaultsDeep = defaultsDeep;\n\t    lodash.defer = defer;\n\t    lodash.delay = delay;\n\t    lodash.difference = difference;\n\t    lodash.differenceBy = differenceBy;\n\t    lodash.differenceWith = differenceWith;\n\t    lodash.drop = drop;\n\t    lodash.dropRight = dropRight;\n\t    lodash.dropRightWhile = dropRightWhile;\n\t    lodash.dropWhile = dropWhile;\n\t    lodash.fill = fill;\n\t    lodash.filter = filter;\n\t    lodash.flatMap = flatMap;\n\t    lodash.flatMapDeep = flatMapDeep;\n\t    lodash.flatMapDepth = flatMapDepth;\n\t    lodash.flatten = flatten;\n\t    lodash.flattenDeep = flattenDeep;\n\t    lodash.flattenDepth = flattenDepth;\n\t    lodash.flip = flip;\n\t    lodash.flow = flow;\n\t    lodash.flowRight = flowRight;\n\t    lodash.fromPairs = fromPairs;\n\t    lodash.functions = functions;\n\t    lodash.functionsIn = functionsIn;\n\t    lodash.groupBy = groupBy;\n\t    lodash.initial = initial;\n\t    lodash.intersection = intersection;\n\t    lodash.intersectionBy = intersectionBy;\n\t    lodash.intersectionWith = intersectionWith;\n\t    lodash.invert = invert;\n\t    lodash.invertBy = invertBy;\n\t    lodash.invokeMap = invokeMap;\n\t    lodash.iteratee = iteratee;\n\t    lodash.keyBy = keyBy;\n\t    lodash.keys = keys;\n\t    lodash.keysIn = keysIn;\n\t    lodash.map = map;\n\t    lodash.mapKeys = mapKeys;\n\t    lodash.mapValues = mapValues;\n\t    lodash.matches = matches;\n\t    lodash.matchesProperty = matchesProperty;\n\t    lodash.memoize = memoize;\n\t    lodash.merge = merge;\n\t    lodash.mergeWith = mergeWith;\n\t    lodash.method = method;\n\t    lodash.methodOf = methodOf;\n\t    lodash.mixin = mixin;\n\t    lodash.negate = negate;\n\t    lodash.nthArg = nthArg;\n\t    lodash.omit = omit;\n\t    lodash.omitBy = omitBy;\n\t    lodash.once = once;\n\t    lodash.orderBy = orderBy;\n\t    lodash.over = over;\n\t    lodash.overArgs = overArgs;\n\t    lodash.overEvery = overEvery;\n\t    lodash.overSome = overSome;\n\t    lodash.partial = partial;\n\t    lodash.partialRight = partialRight;\n\t    lodash.partition = partition;\n\t    lodash.pick = pick;\n\t    lodash.pickBy = pickBy;\n\t    lodash.property = property;\n\t    lodash.propertyOf = propertyOf;\n\t    lodash.pull = pull;\n\t    lodash.pullAll = pullAll;\n\t    lodash.pullAllBy = pullAllBy;\n\t    lodash.pullAllWith = pullAllWith;\n\t    lodash.pullAt = pullAt;\n\t    lodash.range = range;\n\t    lodash.rangeRight = rangeRight;\n\t    lodash.rearg = rearg;\n\t    lodash.reject = reject;\n\t    lodash.remove = remove;\n\t    lodash.rest = rest;\n\t    lodash.reverse = reverse;\n\t    lodash.sampleSize = sampleSize;\n\t    lodash.set = set;\n\t    lodash.setWith = setWith;\n\t    lodash.shuffle = shuffle;\n\t    lodash.slice = slice;\n\t    lodash.sortBy = sortBy;\n\t    lodash.sortedUniq = sortedUniq;\n\t    lodash.sortedUniqBy = sortedUniqBy;\n\t    lodash.split = split;\n\t    lodash.spread = spread;\n\t    lodash.tail = tail;\n\t    lodash.take = take;\n\t    lodash.takeRight = takeRight;\n\t    lodash.takeRightWhile = takeRightWhile;\n\t    lodash.takeWhile = takeWhile;\n\t    lodash.tap = tap;\n\t    lodash.throttle = throttle;\n\t    lodash.thru = thru;\n\t    lodash.toArray = toArray;\n\t    lodash.toPairs = toPairs;\n\t    lodash.toPairsIn = toPairsIn;\n\t    lodash.toPath = toPath;\n\t    lodash.toPlainObject = toPlainObject;\n\t    lodash.transform = transform;\n\t    lodash.unary = unary;\n\t    lodash.union = union;\n\t    lodash.unionBy = unionBy;\n\t    lodash.unionWith = unionWith;\n\t    lodash.uniq = uniq;\n\t    lodash.uniqBy = uniqBy;\n\t    lodash.uniqWith = uniqWith;\n\t    lodash.unset = unset;\n\t    lodash.unzip = unzip;\n\t    lodash.unzipWith = unzipWith;\n\t    lodash.update = update;\n\t    lodash.updateWith = updateWith;\n\t    lodash.values = values;\n\t    lodash.valuesIn = valuesIn;\n\t    lodash.without = without;\n\t    lodash.words = words;\n\t    lodash.wrap = wrap;\n\t    lodash.xor = xor;\n\t    lodash.xorBy = xorBy;\n\t    lodash.xorWith = xorWith;\n\t    lodash.zip = zip;\n\t    lodash.zipObject = zipObject;\n\t    lodash.zipObjectDeep = zipObjectDeep;\n\t    lodash.zipWith = zipWith;\n\t\n\t    // Add aliases.\n\t    lodash.entries = toPairs;\n\t    lodash.entriesIn = toPairsIn;\n\t    lodash.extend = assignIn;\n\t    lodash.extendWith = assignInWith;\n\t\n\t    // Add methods to `lodash.prototype`.\n\t    mixin(lodash, lodash);\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    // Add methods that return unwrapped values in chain sequences.\n\t    lodash.add = add;\n\t    lodash.attempt = attempt;\n\t    lodash.camelCase = camelCase;\n\t    lodash.capitalize = capitalize;\n\t    lodash.ceil = ceil;\n\t    lodash.clamp = clamp;\n\t    lodash.clone = clone;\n\t    lodash.cloneDeep = cloneDeep;\n\t    lodash.cloneDeepWith = cloneDeepWith;\n\t    lodash.cloneWith = cloneWith;\n\t    lodash.conformsTo = conformsTo;\n\t    lodash.deburr = deburr;\n\t    lodash.defaultTo = defaultTo;\n\t    lodash.divide = divide;\n\t    lodash.endsWith = endsWith;\n\t    lodash.eq = eq;\n\t    lodash.escape = escape;\n\t    lodash.escapeRegExp = escapeRegExp;\n\t    lodash.every = every;\n\t    lodash.find = find;\n\t    lodash.findIndex = findIndex;\n\t    lodash.findKey = findKey;\n\t    lodash.findLast = findLast;\n\t    lodash.findLastIndex = findLastIndex;\n\t    lodash.findLastKey = findLastKey;\n\t    lodash.floor = floor;\n\t    lodash.forEach = forEach;\n\t    lodash.forEachRight = forEachRight;\n\t    lodash.forIn = forIn;\n\t    lodash.forInRight = forInRight;\n\t    lodash.forOwn = forOwn;\n\t    lodash.forOwnRight = forOwnRight;\n\t    lodash.get = get;\n\t    lodash.gt = gt;\n\t    lodash.gte = gte;\n\t    lodash.has = has;\n\t    lodash.hasIn = hasIn;\n\t    lodash.head = head;\n\t    lodash.identity = identity;\n\t    lodash.includes = includes;\n\t    lodash.indexOf = indexOf;\n\t    lodash.inRange = inRange;\n\t    lodash.invoke = invoke;\n\t    lodash.isArguments = isArguments;\n\t    lodash.isArray = isArray;\n\t    lodash.isArrayBuffer = isArrayBuffer;\n\t    lodash.isArrayLike = isArrayLike;\n\t    lodash.isArrayLikeObject = isArrayLikeObject;\n\t    lodash.isBoolean = isBoolean;\n\t    lodash.isBuffer = isBuffer;\n\t    lodash.isDate = isDate;\n\t    lodash.isElement = isElement;\n\t    lodash.isEmpty = isEmpty;\n\t    lodash.isEqual = isEqual;\n\t    lodash.isEqualWith = isEqualWith;\n\t    lodash.isError = isError;\n\t    lodash.isFinite = isFinite;\n\t    lodash.isFunction = isFunction;\n\t    lodash.isInteger = isInteger;\n\t    lodash.isLength = isLength;\n\t    lodash.isMap = isMap;\n\t    lodash.isMatch = isMatch;\n\t    lodash.isMatchWith = isMatchWith;\n\t    lodash.isNaN = isNaN;\n\t    lodash.isNative = isNative;\n\t    lodash.isNil = isNil;\n\t    lodash.isNull = isNull;\n\t    lodash.isNumber = isNumber;\n\t    lodash.isObject = isObject;\n\t    lodash.isObjectLike = isObjectLike;\n\t    lodash.isPlainObject = isPlainObject;\n\t    lodash.isRegExp = isRegExp;\n\t    lodash.isSafeInteger = isSafeInteger;\n\t    lodash.isSet = isSet;\n\t    lodash.isString = isString;\n\t    lodash.isSymbol = isSymbol;\n\t    lodash.isTypedArray = isTypedArray;\n\t    lodash.isUndefined = isUndefined;\n\t    lodash.isWeakMap = isWeakMap;\n\t    lodash.isWeakSet = isWeakSet;\n\t    lodash.join = join;\n\t    lodash.kebabCase = kebabCase;\n\t    lodash.last = last;\n\t    lodash.lastIndexOf = lastIndexOf;\n\t    lodash.lowerCase = lowerCase;\n\t    lodash.lowerFirst = lowerFirst;\n\t    lodash.lt = lt;\n\t    lodash.lte = lte;\n\t    lodash.max = max;\n\t    lodash.maxBy = maxBy;\n\t    lodash.mean = mean;\n\t    lodash.meanBy = meanBy;\n\t    lodash.min = min;\n\t    lodash.minBy = minBy;\n\t    lodash.stubArray = stubArray;\n\t    lodash.stubFalse = stubFalse;\n\t    lodash.stubObject = stubObject;\n\t    lodash.stubString = stubString;\n\t    lodash.stubTrue = stubTrue;\n\t    lodash.multiply = multiply;\n\t    lodash.nth = nth;\n\t    lodash.noConflict = noConflict;\n\t    lodash.noop = noop;\n\t    lodash.now = now;\n\t    lodash.pad = pad;\n\t    lodash.padEnd = padEnd;\n\t    lodash.padStart = padStart;\n\t    lodash.parseInt = parseInt;\n\t    lodash.random = random;\n\t    lodash.reduce = reduce;\n\t    lodash.reduceRight = reduceRight;\n\t    lodash.repeat = repeat;\n\t    lodash.replace = replace;\n\t    lodash.result = result;\n\t    lodash.round = round;\n\t    lodash.runInContext = runInContext;\n\t    lodash.sample = sample;\n\t    lodash.size = size;\n\t    lodash.snakeCase = snakeCase;\n\t    lodash.some = some;\n\t    lodash.sortedIndex = sortedIndex;\n\t    lodash.sortedIndexBy = sortedIndexBy;\n\t    lodash.sortedIndexOf = sortedIndexOf;\n\t    lodash.sortedLastIndex = sortedLastIndex;\n\t    lodash.sortedLastIndexBy = sortedLastIndexBy;\n\t    lodash.sortedLastIndexOf = sortedLastIndexOf;\n\t    lodash.startCase = startCase;\n\t    lodash.startsWith = startsWith;\n\t    lodash.subtract = subtract;\n\t    lodash.sum = sum;\n\t    lodash.sumBy = sumBy;\n\t    lodash.template = template;\n\t    lodash.times = times;\n\t    lodash.toFinite = toFinite;\n\t    lodash.toInteger = toInteger;\n\t    lodash.toLength = toLength;\n\t    lodash.toLower = toLower;\n\t    lodash.toNumber = toNumber;\n\t    lodash.toSafeInteger = toSafeInteger;\n\t    lodash.toString = toString;\n\t    lodash.toUpper = toUpper;\n\t    lodash.trim = trim;\n\t    lodash.trimEnd = trimEnd;\n\t    lodash.trimStart = trimStart;\n\t    lodash.truncate = truncate;\n\t    lodash.unescape = unescape;\n\t    lodash.uniqueId = uniqueId;\n\t    lodash.upperCase = upperCase;\n\t    lodash.upperFirst = upperFirst;\n\t\n\t    // Add aliases.\n\t    lodash.each = forEach;\n\t    lodash.eachRight = forEachRight;\n\t    lodash.first = head;\n\t\n\t    mixin(lodash, (function() {\n\t      var source = {};\n\t      baseForOwn(lodash, function(func, methodName) {\n\t        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n\t          source[methodName] = func;\n\t        }\n\t      });\n\t      return source;\n\t    }()), { 'chain': false });\n\t\n\t    /*------------------------------------------------------------------------*/\n\t\n\t    /**\n\t     * The semantic version number.\n\t     *\n\t     * @static\n\t     * @memberOf _\n\t     * @type {string}\n\t     */\n\t    lodash.VERSION = VERSION;\n\t\n\t    // Assign default placeholders.\n\t    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n\t      lodash[methodName].placeholder = lodash;\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n\t    arrayEach(['drop', 'take'], function(methodName, index) {\n\t      LazyWrapper.prototype[methodName] = function(n) {\n\t        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\t\n\t        var result = (this.__filtered__ && !index)\n\t          ? new LazyWrapper(this)\n\t          : this.clone();\n\t\n\t        if (result.__filtered__) {\n\t          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n\t        } else {\n\t          result.__views__.push({\n\t            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n\t            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n\t          });\n\t        }\n\t        return result;\n\t      };\n\t\n\t      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n\t        return this.reverse()[methodName](n).reverse();\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods that accept an `iteratee` value.\n\t    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n\t      var type = index + 1,\n\t          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\t\n\t      LazyWrapper.prototype[methodName] = function(iteratee) {\n\t        var result = this.clone();\n\t        result.__iteratees__.push({\n\t          'iteratee': getIteratee(iteratee, 3),\n\t          'type': type\n\t        });\n\t        result.__filtered__ = result.__filtered__ || isFilter;\n\t        return result;\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n\t    arrayEach(['head', 'last'], function(methodName, index) {\n\t      var takeName = 'take' + (index ? 'Right' : '');\n\t\n\t      LazyWrapper.prototype[methodName] = function() {\n\t        return this[takeName](1).value()[0];\n\t      };\n\t    });\n\t\n\t    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n\t    arrayEach(['initial', 'tail'], function(methodName, index) {\n\t      var dropName = 'drop' + (index ? '' : 'Right');\n\t\n\t      LazyWrapper.prototype[methodName] = function() {\n\t        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n\t      };\n\t    });\n\t\n\t    LazyWrapper.prototype.compact = function() {\n\t      return this.filter(identity);\n\t    };\n\t\n\t    LazyWrapper.prototype.find = function(predicate) {\n\t      return this.filter(predicate).head();\n\t    };\n\t\n\t    LazyWrapper.prototype.findLast = function(predicate) {\n\t      return this.reverse().find(predicate);\n\t    };\n\t\n\t    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n\t      if (typeof path == 'function') {\n\t        return new LazyWrapper(this);\n\t      }\n\t      return this.map(function(value) {\n\t        return baseInvoke(value, path, args);\n\t      });\n\t    });\n\t\n\t    LazyWrapper.prototype.reject = function(predicate) {\n\t      return this.filter(negate(getIteratee(predicate)));\n\t    };\n\t\n\t    LazyWrapper.prototype.slice = function(start, end) {\n\t      start = toInteger(start);\n\t\n\t      var result = this;\n\t      if (result.__filtered__ && (start > 0 || end < 0)) {\n\t        return new LazyWrapper(result);\n\t      }\n\t      if (start < 0) {\n\t        result = result.takeRight(-start);\n\t      } else if (start) {\n\t        result = result.drop(start);\n\t      }\n\t      if (end !== undefined) {\n\t        end = toInteger(end);\n\t        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n\t      }\n\t      return result;\n\t    };\n\t\n\t    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n\t      return this.reverse().takeWhile(predicate).reverse();\n\t    };\n\t\n\t    LazyWrapper.prototype.toArray = function() {\n\t      return this.take(MAX_ARRAY_LENGTH);\n\t    };\n\t\n\t    // Add `LazyWrapper` methods to `lodash.prototype`.\n\t    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n\t      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n\t          isTaker = /^(?:head|last)$/.test(methodName),\n\t          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n\t          retUnwrapped = isTaker || /^find/.test(methodName);\n\t\n\t      if (!lodashFunc) {\n\t        return;\n\t      }\n\t      lodash.prototype[methodName] = function() {\n\t        var value = this.__wrapped__,\n\t            args = isTaker ? [1] : arguments,\n\t            isLazy = value instanceof LazyWrapper,\n\t            iteratee = args[0],\n\t            useLazy = isLazy || isArray(value);\n\t\n\t        var interceptor = function(value) {\n\t          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n\t          return (isTaker && chainAll) ? result[0] : result;\n\t        };\n\t\n\t        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n\t          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n\t          isLazy = useLazy = false;\n\t        }\n\t        var chainAll = this.__chain__,\n\t            isHybrid = !!this.__actions__.length,\n\t            isUnwrapped = retUnwrapped && !chainAll,\n\t            onlyLazy = isLazy && !isHybrid;\n\t\n\t        if (!retUnwrapped && useLazy) {\n\t          value = onlyLazy ? value : new LazyWrapper(this);\n\t          var result = func.apply(value, args);\n\t          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n\t          return new LodashWrapper(result, chainAll);\n\t        }\n\t        if (isUnwrapped && onlyLazy) {\n\t          return func.apply(this, args);\n\t        }\n\t        result = this.thru(interceptor);\n\t        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n\t      };\n\t    });\n\t\n\t    // Add `Array` methods to `lodash.prototype`.\n\t    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n\t      var func = arrayProto[methodName],\n\t          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n\t          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\t\n\t      lodash.prototype[methodName] = function() {\n\t        var args = arguments;\n\t        if (retUnwrapped && !this.__chain__) {\n\t          var value = this.value();\n\t          return func.apply(isArray(value) ? value : [], args);\n\t        }\n\t        return this[chainName](function(value) {\n\t          return func.apply(isArray(value) ? value : [], args);\n\t        });\n\t      };\n\t    });\n\t\n\t    // Map minified method names to their real names.\n\t    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n\t      var lodashFunc = lodash[methodName];\n\t      if (lodashFunc) {\n\t        var key = (lodashFunc.name + ''),\n\t            names = realNames[key] || (realNames[key] = []);\n\t\n\t        names.push({ 'name': methodName, 'func': lodashFunc });\n\t      }\n\t    });\n\t\n\t    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n\t      'name': 'wrapper',\n\t      'func': undefined\n\t    }];\n\t\n\t    // Add methods to `LazyWrapper`.\n\t    LazyWrapper.prototype.clone = lazyClone;\n\t    LazyWrapper.prototype.reverse = lazyReverse;\n\t    LazyWrapper.prototype.value = lazyValue;\n\t\n\t    // Add chain sequence methods to the `lodash` wrapper.\n\t    lodash.prototype.at = wrapperAt;\n\t    lodash.prototype.chain = wrapperChain;\n\t    lodash.prototype.commit = wrapperCommit;\n\t    lodash.prototype.next = wrapperNext;\n\t    lodash.prototype.plant = wrapperPlant;\n\t    lodash.prototype.reverse = wrapperReverse;\n\t    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\t\n\t    // Add lazy aliases.\n\t    lodash.prototype.first = lodash.prototype.head;\n\t\n\t    if (symIterator) {\n\t      lodash.prototype[symIterator] = wrapperToIterator;\n\t    }\n\t    return lodash;\n\t  });\n\t\n\t  /*--------------------------------------------------------------------------*/\n\t\n\t  // Export lodash.\n\t  var _ = runInContext();\n\t\n\t  // Some AMD build optimizers, like r.js, check for condition patterns like:\n\t  if (true) {\n\t    // Expose Lodash on the global object to prevent errors when Lodash is\n\t    // loaded by a script tag in the presence of an AMD loader.\n\t    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n\t    // Use `_.noConflict` to remove Lodash from the global object.\n\t    root._ = _;\n\t\n\t    // Define as an anonymous module so, through path mapping, it can be\n\t    // referenced as the \"underscore\" module.\n\t    !(__WEBPACK_AMD_DEFINE_RESULT__ = function() {\n\t      return _;\n\t    }.call(exports, __webpack_require__, exports, module), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n\t  }\n\t  // Check for `exports` after `define` in case a build optimizer adds it.\n\t  else if (freeModule) {\n\t    // Export for Node.js.\n\t    (freeModule.exports = _)._ = _;\n\t    // Export for CommonJS support.\n\t    freeExports._ = _;\n\t  }\n\t  else {\n\t    // Export to the global object.\n\t    root._ = _;\n\t  }\n\t}.call(this));\n\t\n\t/* WEBPACK VAR INJECTION */}.call(exports, (function() { return this; }()), __webpack_require__(10)(module)))\n\n/***/ })\n/******/ ]);\n\n\n// WEBPACK FOOTER //\n// oui-angular.js"," \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\texports: {},\n \t\t\tid: moduleId,\n \t\t\tloaded: false\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.loaded = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(0);\n\n\n\n// WEBPACK FOOTER //\n// webpack/bootstrap 43e006b4349efc4c2ca8","var core = module.exports = { version: '2.5.1' };\nif (typeof __e == 'number') __e = core; // eslint-disable-line no-undef\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_core.js\n// module id = 1\n// module chunks = 0","// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n  ? window : typeof self != 'undefined' && self.Math == Math ? self\n  // eslint-disable-next-line no-new-func\n  : Function('return this')();\nif (typeof __g == 'number') __g = global; // eslint-disable-line no-undef\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_global.js\n// module id = 2\n// module chunks = 0","// Thank's IE8 for his funny defineProperty\nmodule.exports = !require('./_fails')(function () {\n  return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;\n});\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_descriptors.js\n// module id = 3\n// module chunks = 0","var hasOwnProperty = {}.hasOwnProperty;\nmodule.exports = function (it, key) {\n  return hasOwnProperty.call(it, key);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_has.js\n// module id = 4\n// module chunks = 0","var anObject = require('./_an-object');\nvar IE8_DOM_DEFINE = require('./_ie8-dom-define');\nvar toPrimitive = require('./_to-primitive');\nvar dP = Object.defineProperty;\n\nexports.f = require('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes) {\n  anObject(O);\n  P = toPrimitive(P, true);\n  anObject(Attributes);\n  if (IE8_DOM_DEFINE) try {\n    return dP(O, P, Attributes);\n  } catch (e) { /* empty */ }\n  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');\n  if ('value' in Attributes) O[P] = Attributes.value;\n  return O;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-dp.js\n// module id = 5\n// module chunks = 0","var global = require('./_global');\nvar core = require('./_core');\nvar ctx = require('./_ctx');\nvar hide = require('./_hide');\nvar PROTOTYPE = 'prototype';\n\nvar $export = function (type, name, source) {\n  var IS_FORCED = type & $export.F;\n  var IS_GLOBAL = type & $export.G;\n  var IS_STATIC = type & $export.S;\n  var IS_PROTO = type & $export.P;\n  var IS_BIND = type & $export.B;\n  var IS_WRAP = type & $export.W;\n  var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});\n  var expProto = exports[PROTOTYPE];\n  var target = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE];\n  var key, own, out;\n  if (IS_GLOBAL) source = name;\n  for (key in source) {\n    // contains in native\n    own = !IS_FORCED && target && target[key] !== undefined;\n    if (own && key in exports) continue;\n    // export native or passed\n    out = own ? target[key] : source[key];\n    // prevent global pollution for namespaces\n    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n    // bind timers to global for call from export context\n    : IS_BIND && own ? ctx(out, global)\n    // wrap global constructors for prevent change them in library\n    : IS_WRAP && target[key] == out ? (function (C) {\n      var F = function (a, b, c) {\n        if (this instanceof C) {\n          switch (arguments.length) {\n            case 0: return new C();\n            case 1: return new C(a);\n            case 2: return new C(a, b);\n          } return new C(a, b, c);\n        } return C.apply(this, arguments);\n      };\n      F[PROTOTYPE] = C[PROTOTYPE];\n      return F;\n    // make static versions for prototype methods\n    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n    if (IS_PROTO) {\n      (exports.virtual || (exports.virtual = {}))[key] = out;\n      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n      if (type & $export.R && expProto && !expProto[key]) hide(expProto, key, out);\n    }\n  }\n};\n// type bitmap\n$export.F = 1;   // forced\n$export.G = 2;   // global\n$export.S = 4;   // static\n$export.P = 8;   // proto\n$export.B = 16;  // bind\n$export.W = 32;  // wrap\n$export.U = 64;  // safe\n$export.R = 128; // real proto method for `library`\nmodule.exports = $export;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_export.js\n// module id = 6\n// module chunks = 0","var dP = require('./_object-dp');\nvar createDesc = require('./_property-desc');\nmodule.exports = require('./_descriptors') ? function (object, key, value) {\n  return dP.f(object, key, createDesc(1, value));\n} : function (object, key, value) {\n  object[key] = value;\n  return object;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_hide.js\n// module id = 7\n// module chunks = 0","// to indexed object, toObject with fallback for non-array-like ES3 strings\nvar IObject = require('./_iobject');\nvar defined = require('./_defined');\nmodule.exports = function (it) {\n  return IObject(defined(it));\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_to-iobject.js\n// module id = 8\n// module chunks = 0","var store = require('./_shared')('wks');\nvar uid = require('./_uid');\nvar Symbol = require('./_global').Symbol;\nvar USE_SYMBOL = typeof Symbol == 'function';\n\nvar $exports = module.exports = function (name) {\n  return store[name] || (store[name] =\n    USE_SYMBOL && Symbol[name] || (USE_SYMBOL ? Symbol : uid)('Symbol.' + name));\n};\n\n$exports.store = store;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_wks.js\n// module id = 9\n// module chunks = 0","module.exports = function(module) {\r\n\tif(!module.webpackPolyfill) {\r\n\t\tmodule.deprecate = function() {};\r\n\t\tmodule.paths = [];\r\n\t\t// module.parent = undefined by default\r\n\t\tmodule.children = [];\r\n\t\tmodule.webpackPolyfill = 1;\r\n\t}\r\n\treturn module;\r\n}\r\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// (webpack)/buildin/module.js\n// module id = 10\n// module chunks = 0","var isObject = require('./_is-object');\nmodule.exports = function (it) {\n  if (!isObject(it)) throw TypeError(it + ' is not an object!');\n  return it;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_an-object.js\n// module id = 11\n// module chunks = 0","module.exports = function (exec) {\n  try {\n    return !!exec();\n  } catch (e) {\n    return true;\n  }\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_fails.js\n// module id = 12\n// module chunks = 0","module.exports = function (it) {\n  return typeof it === 'object' ? it !== null : typeof it === 'function';\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_is-object.js\n// module id = 13\n// module chunks = 0","// Thank's IE8 for his funny defineProperty\nmodule.exports = !require('./_fails')(function () {\n  return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;\n});\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_descriptors.js\n// module id = 14\n// module chunks = 0","// Thank's IE8 for his funny defineProperty\nmodule.exports = !require('./_fails')(function () {\n  return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;\n});\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/core-js/library/modules/_descriptors.js\n// module id = 15\n// module chunks = 0","module.exports = function (bitmap, value) {\n  return {\n    enumerable: !(bitmap & 1),\n    configurable: !(bitmap & 2),\n    writable: !(bitmap & 4),\n    value: value\n  };\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_property-desc.js\n// module id = 16\n// module chunks = 0","var id = 0;\nvar px = Math.random();\nmodule.exports = function (key) {\n  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_uid.js\n// module id = 17\n// module chunks = 0","// Thank's IE8 for his funny defineProperty\nmodule.exports = !require('./_fails')(function () {\n  return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;\n});\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_descriptors.js\n// module id = 18\n// module chunks = 0","// Thank's IE8 for his funny defineProperty\nmodule.exports = !require('./_fails')(function () {\n  return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;\n});\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_descriptors.js\n// module id = 19\n// module chunks = 0","module.exports = function (it) {\n  return typeof it === 'object' ? it !== null : typeof it === 'function';\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_is-object.js\n// module id = 20\n// module chunks = 0","module.exports = function (it) {\n  return typeof it === 'object' ? it !== null : typeof it === 'function';\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/core-js/library/modules/_is-object.js\n// module id = 21\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nexports.default = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/helpers/classCallCheck.js\n// module id = 22\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nvar _defineProperty = require(\"../core-js/object/define-property\");\n\nvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function () {\n  function defineProperties(target, props) {\n    for (var i = 0; i < props.length; i++) {\n      var descriptor = props[i];\n      descriptor.enumerable = descriptor.enumerable || false;\n      descriptor.configurable = true;\n      if (\"value\" in descriptor) descriptor.writable = true;\n      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n    }\n  }\n\n  return function (Constructor, protoProps, staticProps) {\n    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n    if (staticProps) defineProperties(Constructor, staticProps);\n    return Constructor;\n  };\n}();\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/helpers/createClass.js\n// module id = 23\n// module chunks = 0","// 7.2.1 RequireObjectCoercible(argument)\nmodule.exports = function (it) {\n  if (it == undefined) throw TypeError(\"Can't call method on  \" + it);\n  return it;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_defined.js\n// module id = 24\n// module chunks = 0","// IE 8- don't enum bug keys\nmodule.exports = (\n  'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'\n).split(',');\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_enum-bug-keys.js\n// module id = 25\n// module chunks = 0","module.exports = {};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_iterators.js\n// module id = 26\n// module chunks = 0","module.exports = true;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_library.js\n// module id = 27\n// module chunks = 0","// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\nvar anObject = require('./_an-object');\nvar dPs = require('./_object-dps');\nvar enumBugKeys = require('./_enum-bug-keys');\nvar IE_PROTO = require('./_shared-key')('IE_PROTO');\nvar Empty = function () { /* empty */ };\nvar PROTOTYPE = 'prototype';\n\n// Create object with fake `null` prototype: use iframe Object with cleared prototype\nvar createDict = function () {\n  // Thrash, waste and sodomy: IE GC bug\n  var iframe = require('./_dom-create')('iframe');\n  var i = enumBugKeys.length;\n  var lt = '<';\n  var gt = '>';\n  var iframeDocument;\n  iframe.style.display = 'none';\n  require('./_html').appendChild(iframe);\n  iframe.src = 'javascript:'; // eslint-disable-line no-script-url\n  // createDict = iframe.contentWindow.Object;\n  // html.removeChild(iframe);\n  iframeDocument = iframe.contentWindow.document;\n  iframeDocument.open();\n  iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);\n  iframeDocument.close();\n  createDict = iframeDocument.F;\n  while (i--) delete createDict[PROTOTYPE][enumBugKeys[i]];\n  return createDict();\n};\n\nmodule.exports = Object.create || function create(O, Properties) {\n  var result;\n  if (O !== null) {\n    Empty[PROTOTYPE] = anObject(O);\n    result = new Empty();\n    Empty[PROTOTYPE] = null;\n    // add \"__proto__\" for Object.getPrototypeOf polyfill\n    result[IE_PROTO] = O;\n  } else result = createDict();\n  return Properties === undefined ? result : dPs(result, Properties);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-create.js\n// module id = 28\n// module chunks = 0","// 19.1.2.14 / 15.2.3.14 Object.keys(O)\nvar $keys = require('./_object-keys-internal');\nvar enumBugKeys = require('./_enum-bug-keys');\n\nmodule.exports = Object.keys || function keys(O) {\n  return $keys(O, enumBugKeys);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-keys.js\n// module id = 29\n// module chunks = 0","exports.f = {}.propertyIsEnumerable;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-pie.js\n// module id = 30\n// module chunks = 0","var def = require('./_object-dp').f;\nvar has = require('./_has');\nvar TAG = require('./_wks')('toStringTag');\n\nmodule.exports = function (it, tag, stat) {\n  if (it && !has(it = stat ? it : it.prototype, TAG)) def(it, TAG, { configurable: true, value: tag });\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_set-to-string-tag.js\n// module id = 31\n// module chunks = 0","var shared = require('./_shared')('keys');\nvar uid = require('./_uid');\nmodule.exports = function (key) {\n  return shared[key] || (shared[key] = uid(key));\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_shared-key.js\n// module id = 32\n// module chunks = 0","var global = require('./_global');\nvar SHARED = '__core-js_shared__';\nvar store = global[SHARED] || (global[SHARED] = {});\nmodule.exports = function (key) {\n  return store[key] || (store[key] = {});\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_shared.js\n// module id = 33\n// module chunks = 0","// 7.1.4 ToInteger\nvar ceil = Math.ceil;\nvar floor = Math.floor;\nmodule.exports = function (it) {\n  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_to-integer.js\n// module id = 34\n// module chunks = 0","// 7.1.1 ToPrimitive(input [, PreferredType])\nvar isObject = require('./_is-object');\n// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n// and the second argument - flag - preferred type is a string\nmodule.exports = function (it, S) {\n  if (!isObject(it)) return it;\n  var fn, val;\n  if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n  if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;\n  if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n  throw TypeError(\"Can't convert object to primitive value\");\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_to-primitive.js\n// module id = 35\n// module chunks = 0","var global = require('./_global');\nvar core = require('./_core');\nvar LIBRARY = require('./_library');\nvar wksExt = require('./_wks-ext');\nvar defineProperty = require('./_object-dp').f;\nmodule.exports = function (name) {\n  var $Symbol = core.Symbol || (core.Symbol = LIBRARY ? {} : global.Symbol || {});\n  if (name.charAt(0) != '_' && !(name in $Symbol)) defineProperty($Symbol, name, { value: wksExt.f(name) });\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_wks-define.js\n// module id = 36\n// module chunks = 0","exports.f = require('./_wks');\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_wks-ext.js\n// module id = 37\n// module chunks = 0","module.exports = function (it) {\n  return typeof it === 'object' ? it !== null : typeof it === 'function';\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_is-object.js\n// module id = 38\n// module chunks = 0","module.exports = function (it) {\n  return typeof it === 'object' ? it !== null : typeof it === 'function';\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_is-object.js\n// module id = 39\n// module chunks = 0","import Radio from './radio.component.js'\n\nangular.module('oui.radio', []).component('ouiRadio', Radio)\n\n\n\n// WEBPACK FOOTER //\n// ../oui-radio/src/index.js","var core = module.exports = { version: '2.5.1' };\nif (typeof __e == 'number') __e = core; // eslint-disable-line no-undef\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_core.js\n// module id = 41\n// module chunks = 0","module.exports = function (exec) {\n  try {\n    return !!exec();\n  } catch (e) {\n    return true;\n  }\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_fails.js\n// module id = 42\n// module chunks = 0","// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n  ? window : typeof self != 'undefined' && self.Math == Math ? self\n  // eslint-disable-next-line no-new-func\n  : Function('return this')();\nif (typeof __g == 'number') __g = global; // eslint-disable-line no-undef\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_global.js\n// module id = 43\n// module chunks = 0","var anObject = require('./_an-object');\nvar IE8_DOM_DEFINE = require('./_ie8-dom-define');\nvar toPrimitive = require('./_to-primitive');\nvar dP = Object.defineProperty;\n\nexports.f = require('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes) {\n  anObject(O);\n  P = toPrimitive(P, true);\n  anObject(Attributes);\n  if (IE8_DOM_DEFINE) try {\n    return dP(O, P, Attributes);\n  } catch (e) { /* empty */ }\n  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');\n  if ('value' in Attributes) O[P] = Attributes.value;\n  return O;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_object-dp.js\n// module id = 44\n// module chunks = 0","var core = module.exports = { version: '2.5.1' };\nif (typeof __e == 'number') __e = core; // eslint-disable-line no-undef\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/core-js/library/modules/_core.js\n// module id = 45\n// module chunks = 0","module.exports = function (exec) {\n  try {\n    return !!exec();\n  } catch (e) {\n    return true;\n  }\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/core-js/library/modules/_fails.js\n// module id = 46\n// module chunks = 0","// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n  ? window : typeof self != 'undefined' && self.Math == Math ? self\n  // eslint-disable-next-line no-new-func\n  : Function('return this')();\nif (typeof __g == 'number') __g = global; // eslint-disable-line no-undef\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/core-js/library/modules/_global.js\n// module id = 47\n// module chunks = 0","var anObject = require('./_an-object');\nvar IE8_DOM_DEFINE = require('./_ie8-dom-define');\nvar toPrimitive = require('./_to-primitive');\nvar dP = Object.defineProperty;\n\nexports.f = require('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes) {\n  anObject(O);\n  P = toPrimitive(P, true);\n  anObject(Attributes);\n  if (IE8_DOM_DEFINE) try {\n    return dP(O, P, Attributes);\n  } catch (e) { /* empty */ }\n  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');\n  if ('value' in Attributes) O[P] = Attributes.value;\n  return O;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/core-js/library/modules/_object-dp.js\n// module id = 48\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nvar _iterator = require(\"../core-js/symbol/iterator\");\n\nvar _iterator2 = _interopRequireDefault(_iterator);\n\nvar _symbol = require(\"../core-js/symbol\");\n\nvar _symbol2 = _interopRequireDefault(_symbol);\n\nvar _typeof = typeof _symbol2.default === \"function\" && typeof _iterator2.default === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof _symbol2.default === \"function\" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? \"symbol\" : typeof obj; };\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = typeof _symbol2.default === \"function\" && _typeof(_iterator2.default) === \"symbol\" ? function (obj) {\n  return typeof obj === \"undefined\" ? \"undefined\" : _typeof(obj);\n} : function (obj) {\n  return obj && typeof _symbol2.default === \"function\" && obj.constructor === _symbol2.default && obj !== _symbol2.default.prototype ? \"symbol\" : typeof obj === \"undefined\" ? \"undefined\" : _typeof(obj);\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/helpers/typeof.js\n// module id = 49\n// module chunks = 0","var toString = {}.toString;\n\nmodule.exports = function (it) {\n  return toString.call(it).slice(8, -1);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_cof.js\n// module id = 50\n// module chunks = 0","// optional / simple context binding\nvar aFunction = require('./_a-function');\nmodule.exports = function (fn, that, length) {\n  aFunction(fn);\n  if (that === undefined) return fn;\n  switch (length) {\n    case 1: return function (a) {\n      return fn.call(that, a);\n    };\n    case 2: return function (a, b) {\n      return fn.call(that, a, b);\n    };\n    case 3: return function (a, b, c) {\n      return fn.call(that, a, b, c);\n    };\n  }\n  return function (/* ...args */) {\n    return fn.apply(that, arguments);\n  };\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_ctx.js\n// module id = 51\n// module chunks = 0","var isObject = require('./_is-object');\nvar document = require('./_global').document;\n// typeof document.createElement is 'object' in old IE\nvar is = isObject(document) && isObject(document.createElement);\nmodule.exports = function (it) {\n  return is ? document.createElement(it) : {};\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_dom-create.js\n// module id = 52\n// module chunks = 0","module.exports = !require('./_descriptors') && !require('./_fails')(function () {\n  return Object.defineProperty(require('./_dom-create')('div'), 'a', { get: function () { return 7; } }).a != 7;\n});\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_ie8-dom-define.js\n// module id = 53\n// module chunks = 0","'use strict';\nvar LIBRARY = require('./_library');\nvar $export = require('./_export');\nvar redefine = require('./_redefine');\nvar hide = require('./_hide');\nvar has = require('./_has');\nvar Iterators = require('./_iterators');\nvar $iterCreate = require('./_iter-create');\nvar setToStringTag = require('./_set-to-string-tag');\nvar getPrototypeOf = require('./_object-gpo');\nvar ITERATOR = require('./_wks')('iterator');\nvar BUGGY = !([].keys && 'next' in [].keys()); // Safari has buggy iterators w/o `next`\nvar FF_ITERATOR = '@@iterator';\nvar KEYS = 'keys';\nvar VALUES = 'values';\n\nvar returnThis = function () { return this; };\n\nmodule.exports = function (Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED) {\n  $iterCreate(Constructor, NAME, next);\n  var getMethod = function (kind) {\n    if (!BUGGY && kind in proto) return proto[kind];\n    switch (kind) {\n      case KEYS: return function keys() { return new Constructor(this, kind); };\n      case VALUES: return function values() { return new Constructor(this, kind); };\n    } return function entries() { return new Constructor(this, kind); };\n  };\n  var TAG = NAME + ' Iterator';\n  var DEF_VALUES = DEFAULT == VALUES;\n  var VALUES_BUG = false;\n  var proto = Base.prototype;\n  var $native = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT];\n  var $default = $native || getMethod(DEFAULT);\n  var $entries = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined;\n  var $anyNative = NAME == 'Array' ? proto.entries || $native : $native;\n  var methods, key, IteratorPrototype;\n  // Fix native\n  if ($anyNative) {\n    IteratorPrototype = getPrototypeOf($anyNative.call(new Base()));\n    if (IteratorPrototype !== Object.prototype && IteratorPrototype.next) {\n      // Set @@toStringTag to native iterators\n      setToStringTag(IteratorPrototype, TAG, true);\n      // fix for some old engines\n      if (!LIBRARY && !has(IteratorPrototype, ITERATOR)) hide(IteratorPrototype, ITERATOR, returnThis);\n    }\n  }\n  // fix Array#{values, @@iterator}.name in V8 / FF\n  if (DEF_VALUES && $native && $native.name !== VALUES) {\n    VALUES_BUG = true;\n    $default = function values() { return $native.call(this); };\n  }\n  // Define iterator\n  if ((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])) {\n    hide(proto, ITERATOR, $default);\n  }\n  // Plug for library\n  Iterators[NAME] = $default;\n  Iterators[TAG] = returnThis;\n  if (DEFAULT) {\n    methods = {\n      values: DEF_VALUES ? $default : getMethod(VALUES),\n      keys: IS_SET ? $default : getMethod(KEYS),\n      entries: $entries\n    };\n    if (FORCED) for (key in methods) {\n      if (!(key in proto)) redefine(proto, key, methods[key]);\n    } else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods);\n  }\n  return methods;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_iter-define.js\n// module id = 54\n// module chunks = 0","var pIE = require('./_object-pie');\nvar createDesc = require('./_property-desc');\nvar toIObject = require('./_to-iobject');\nvar toPrimitive = require('./_to-primitive');\nvar has = require('./_has');\nvar IE8_DOM_DEFINE = require('./_ie8-dom-define');\nvar gOPD = Object.getOwnPropertyDescriptor;\n\nexports.f = require('./_descriptors') ? gOPD : function getOwnPropertyDescriptor(O, P) {\n  O = toIObject(O);\n  P = toPrimitive(P, true);\n  if (IE8_DOM_DEFINE) try {\n    return gOPD(O, P);\n  } catch (e) { /* empty */ }\n  if (has(O, P)) return createDesc(!pIE.f.call(O, P), O[P]);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-gopd.js\n// module id = 55\n// module chunks = 0","// 19.1.2.7 / 15.2.3.4 Object.getOwnPropertyNames(O)\nvar $keys = require('./_object-keys-internal');\nvar hiddenKeys = require('./_enum-bug-keys').concat('length', 'prototype');\n\nexports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {\n  return $keys(O, hiddenKeys);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-gopn.js\n// module id = 56\n// module chunks = 0","exports.f = Object.getOwnPropertySymbols;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-gops.js\n// module id = 57\n// module chunks = 0","// 19.1.2.9 / 15.2.3.2 Object.getPrototypeOf(O)\nvar has = require('./_has');\nvar toObject = require('./_to-object');\nvar IE_PROTO = require('./_shared-key')('IE_PROTO');\nvar ObjectProto = Object.prototype;\n\nmodule.exports = Object.getPrototypeOf || function (O) {\n  O = toObject(O);\n  if (has(O, IE_PROTO)) return O[IE_PROTO];\n  if (typeof O.constructor == 'function' && O instanceof O.constructor) {\n    return O.constructor.prototype;\n  } return O instanceof Object ? ObjectProto : null;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-gpo.js\n// module id = 58\n// module chunks = 0","var has = require('./_has');\nvar toIObject = require('./_to-iobject');\nvar arrayIndexOf = require('./_array-includes')(false);\nvar IE_PROTO = require('./_shared-key')('IE_PROTO');\n\nmodule.exports = function (object, names) {\n  var O = toIObject(object);\n  var i = 0;\n  var result = [];\n  var key;\n  for (key in O) if (key != IE_PROTO) has(O, key) && result.push(key);\n  // Don't enum bug & hidden keys\n  while (names.length > i) if (has(O, key = names[i++])) {\n    ~arrayIndexOf(result, key) || result.push(key);\n  }\n  return result;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-keys-internal.js\n// module id = 59\n// module chunks = 0","module.exports = require('./_hide');\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_redefine.js\n// module id = 60\n// module chunks = 0","// 7.1.13 ToObject(argument)\nvar defined = require('./_defined');\nmodule.exports = function (it) {\n  return Object(defined(it));\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_to-object.js\n// module id = 61\n// module chunks = 0","/**\n * @license\n * Lodash <https://lodash.com/>\n * Copyright JS Foundation and other contributors <https://js.foundation/>\n * Released under MIT license <https://lodash.com/license>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n  var undefined;\n\n  /** Used as the semantic version number. */\n  var VERSION = '4.17.4';\n\n  /** Used as the size to enable large array optimizations. */\n  var LARGE_ARRAY_SIZE = 200;\n\n  /** Error message constants. */\n  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n      FUNC_ERROR_TEXT = 'Expected a function';\n\n  /** Used to stand-in for `undefined` hash values. */\n  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n  /** Used as the maximum memoize cache size. */\n  var MAX_MEMOIZE_SIZE = 500;\n\n  /** Used as the internal argument placeholder. */\n  var PLACEHOLDER = '__lodash_placeholder__';\n\n  /** Used to compose bitmasks for cloning. */\n  var CLONE_DEEP_FLAG = 1,\n      CLONE_FLAT_FLAG = 2,\n      CLONE_SYMBOLS_FLAG = 4;\n\n  /** Used to compose bitmasks for value comparisons. */\n  var COMPARE_PARTIAL_FLAG = 1,\n      COMPARE_UNORDERED_FLAG = 2;\n\n  /** Used to compose bitmasks for function metadata. */\n  var WRAP_BIND_FLAG = 1,\n      WRAP_BIND_KEY_FLAG = 2,\n      WRAP_CURRY_BOUND_FLAG = 4,\n      WRAP_CURRY_FLAG = 8,\n      WRAP_CURRY_RIGHT_FLAG = 16,\n      WRAP_PARTIAL_FLAG = 32,\n      WRAP_PARTIAL_RIGHT_FLAG = 64,\n      WRAP_ARY_FLAG = 128,\n      WRAP_REARG_FLAG = 256,\n      WRAP_FLIP_FLAG = 512;\n\n  /** Used as default options for `_.truncate`. */\n  var DEFAULT_TRUNC_LENGTH = 30,\n      DEFAULT_TRUNC_OMISSION = '...';\n\n  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n  var HOT_COUNT = 800,\n      HOT_SPAN = 16;\n\n  /** Used to indicate the type of lazy iteratees. */\n  var LAZY_FILTER_FLAG = 1,\n      LAZY_MAP_FLAG = 2,\n      LAZY_WHILE_FLAG = 3;\n\n  /** Used as references for various `Number` constants. */\n  var INFINITY = 1 / 0,\n      MAX_SAFE_INTEGER = 9007199254740991,\n      MAX_INTEGER = 1.7976931348623157e+308,\n      NAN = 0 / 0;\n\n  /** Used as references for the maximum length and index of an array. */\n  var MAX_ARRAY_LENGTH = 4294967295,\n      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n  /** Used to associate wrap methods with their bit flags. */\n  var wrapFlags = [\n    ['ary', WRAP_ARY_FLAG],\n    ['bind', WRAP_BIND_FLAG],\n    ['bindKey', WRAP_BIND_KEY_FLAG],\n    ['curry', WRAP_CURRY_FLAG],\n    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n    ['flip', WRAP_FLIP_FLAG],\n    ['partial', WRAP_PARTIAL_FLAG],\n    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n    ['rearg', WRAP_REARG_FLAG]\n  ];\n\n  /** `Object#toString` result references. */\n  var argsTag = '[object Arguments]',\n      arrayTag = '[object Array]',\n      asyncTag = '[object AsyncFunction]',\n      boolTag = '[object Boolean]',\n      dateTag = '[object Date]',\n      domExcTag = '[object DOMException]',\n      errorTag = '[object Error]',\n      funcTag = '[object Function]',\n      genTag = '[object GeneratorFunction]',\n      mapTag = '[object Map]',\n      numberTag = '[object Number]',\n      nullTag = '[object Null]',\n      objectTag = '[object Object]',\n      promiseTag = '[object Promise]',\n      proxyTag = '[object Proxy]',\n      regexpTag = '[object RegExp]',\n      setTag = '[object Set]',\n      stringTag = '[object String]',\n      symbolTag = '[object Symbol]',\n      undefinedTag = '[object Undefined]',\n      weakMapTag = '[object WeakMap]',\n      weakSetTag = '[object WeakSet]';\n\n  var arrayBufferTag = '[object ArrayBuffer]',\n      dataViewTag = '[object DataView]',\n      float32Tag = '[object Float32Array]',\n      float64Tag = '[object Float64Array]',\n      int8Tag = '[object Int8Array]',\n      int16Tag = '[object Int16Array]',\n      int32Tag = '[object Int32Array]',\n      uint8Tag = '[object Uint8Array]',\n      uint8ClampedTag = '[object Uint8ClampedArray]',\n      uint16Tag = '[object Uint16Array]',\n      uint32Tag = '[object Uint32Array]';\n\n  /** Used to match empty string literals in compiled template source. */\n  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n  /** Used to match HTML entities and HTML characters. */\n  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n      reUnescapedHtml = /[&<>\"']/g,\n      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n  /** Used to match template delimiters. */\n  var reEscape = /<%-([\\s\\S]+?)%>/g,\n      reEvaluate = /<%([\\s\\S]+?)%>/g,\n      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n  /** Used to match property names within property paths. */\n  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n      reIsPlainProp = /^\\w*$/,\n      reLeadingDot = /^\\./,\n      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n  /**\n   * Used to match `RegExp`\n   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n   */\n  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n      reHasRegExpChar = RegExp(reRegExpChar.source);\n\n  /** Used to match leading and trailing whitespace. */\n  var reTrim = /^\\s+|\\s+$/g,\n      reTrimStart = /^\\s+/,\n      reTrimEnd = /\\s+$/;\n\n  /** Used to match wrap detail comments. */\n  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n      reSplitDetails = /,? & /;\n\n  /** Used to match words composed of alphanumeric characters. */\n  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n  /** Used to match backslashes in property paths. */\n  var reEscapeChar = /\\\\(\\\\)?/g;\n\n  /**\n   * Used to match\n   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n   */\n  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n  /** Used to match `RegExp` flags from their coerced string values. */\n  var reFlags = /\\w*$/;\n\n  /** Used to detect bad signed hexadecimal string values. */\n  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n  /** Used to detect binary string values. */\n  var reIsBinary = /^0b[01]+$/i;\n\n  /** Used to detect host constructors (Safari). */\n  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n  /** Used to detect octal string values. */\n  var reIsOctal = /^0o[0-7]+$/i;\n\n  /** Used to detect unsigned integer values. */\n  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n  /** Used to ensure capturing order of template delimiters. */\n  var reNoMatch = /($^)/;\n\n  /** Used to match unescaped characters in compiled string literals. */\n  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n  /** Used to compose unicode character classes. */\n  var rsAstralRange = '\\\\ud800-\\\\udfff',\n      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n  /** Used to compose unicode capture groups. */\n  var rsApos = \"['\\u2019]\",\n      rsAstral = '[' + rsAstralRange + ']',\n      rsBreak = '[' + rsBreakRange + ']',\n      rsCombo = '[' + rsComboRange + ']',\n      rsDigits = '\\\\d+',\n      rsDingbat = '[' + rsDingbatRange + ']',\n      rsLower = '[' + rsLowerRange + ']',\n      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n      rsNonAstral = '[^' + rsAstralRange + ']',\n      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n      rsUpper = '[' + rsUpperRange + ']',\n      rsZWJ = '\\\\u200d';\n\n  /** Used to compose unicode regexes. */\n  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n      reOptMod = rsModifier + '?',\n      rsOptVar = '[' + rsVarRange + ']?',\n      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n  /** Used to match apostrophes. */\n  var reApos = RegExp(rsApos, 'g');\n\n  /**\n   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n   */\n  var reComboMark = RegExp(rsCombo, 'g');\n\n  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n  /** Used to match complex or compound words. */\n  var reUnicodeWord = RegExp([\n    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n    rsUpper + '+' + rsOptContrUpper,\n    rsOrdUpper,\n    rsOrdLower,\n    rsDigits,\n    rsEmoji\n  ].join('|'), 'g');\n\n  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\n  /** Used to detect strings that need a more robust regexp to match words. */\n  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n  /** Used to assign default `context` object properties. */\n  var contextProps = [\n    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n  ];\n\n  /** Used to make template sourceURLs easier to identify. */\n  var templateCounter = -1;\n\n  /** Used to identify `toStringTag` values of typed arrays. */\n  var typedArrayTags = {};\n  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n  typedArrayTags[uint32Tag] = true;\n  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n  typedArrayTags[weakMapTag] = false;\n\n  /** Used to identify `toStringTag` values supported by `_.clone`. */\n  var cloneableTags = {};\n  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n  cloneableTags[boolTag] = cloneableTags[dateTag] =\n  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n  cloneableTags[numberTag] = cloneableTags[objectTag] =\n  cloneableTags[regexpTag] = cloneableTags[setTag] =\n  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n  cloneableTags[errorTag] = cloneableTags[funcTag] =\n  cloneableTags[weakMapTag] = false;\n\n  /** Used to map Latin Unicode letters to basic Latin letters. */\n  var deburredLetters = {\n    // Latin-1 Supplement block.\n    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n    '\\xc7': 'C',  '\\xe7': 'c',\n    '\\xd0': 'D',  '\\xf0': 'd',\n    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n    '\\xd1': 'N',  '\\xf1': 'n',\n    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n    '\\xc6': 'Ae', '\\xe6': 'ae',\n    '\\xde': 'Th', '\\xfe': 'th',\n    '\\xdf': 'ss',\n    // Latin Extended-A block.\n    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n    '\\u0134': 'J',  '\\u0135': 'j',\n    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n    '\\u0174': 'W',  '\\u0175': 'w',\n    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n    '\\u0132': 'IJ', '\\u0133': 'ij',\n    '\\u0152': 'Oe', '\\u0153': 'oe',\n    '\\u0149': \"'n\", '\\u017f': 's'\n  };\n\n  /** Used to map characters to HTML entities. */\n  var htmlEscapes = {\n    '&': '&amp;',\n    '<': '&lt;',\n    '>': '&gt;',\n    '\"': '&quot;',\n    \"'\": '&#39;'\n  };\n\n  /** Used to map HTML entities to characters. */\n  var htmlUnescapes = {\n    '&amp;': '&',\n    '&lt;': '<',\n    '&gt;': '>',\n    '&quot;': '\"',\n    '&#39;': \"'\"\n  };\n\n  /** Used to escape characters for inclusion in compiled string literals. */\n  var stringEscapes = {\n    '\\\\': '\\\\',\n    \"'\": \"'\",\n    '\\n': 'n',\n    '\\r': 'r',\n    '\\u2028': 'u2028',\n    '\\u2029': 'u2029'\n  };\n\n  /** Built-in method references without a dependency on `root`. */\n  var freeParseFloat = parseFloat,\n      freeParseInt = parseInt;\n\n  /** Detect free variable `global` from Node.js. */\n  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n  /** Detect free variable `self`. */\n  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n  /** Used as a reference to the global object. */\n  var root = freeGlobal || freeSelf || Function('return this')();\n\n  /** Detect free variable `exports`. */\n  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n  /** Detect free variable `module`. */\n  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n  /** Detect the popular CommonJS extension `module.exports`. */\n  var moduleExports = freeModule && freeModule.exports === freeExports;\n\n  /** Detect free variable `process` from Node.js. */\n  var freeProcess = moduleExports && freeGlobal.process;\n\n  /** Used to access faster Node.js helpers. */\n  var nodeUtil = (function() {\n    try {\n      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n    } catch (e) {}\n  }());\n\n  /* Node.js helper references. */\n  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n      nodeIsDate = nodeUtil && nodeUtil.isDate,\n      nodeIsMap = nodeUtil && nodeUtil.isMap,\n      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n      nodeIsSet = nodeUtil && nodeUtil.isSet,\n      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Adds the key-value `pair` to `map`.\n   *\n   * @private\n   * @param {Object} map The map to modify.\n   * @param {Array} pair The key-value pair to add.\n   * @returns {Object} Returns `map`.\n   */\n  function addMapEntry(map, pair) {\n    // Don't return `map.set` because it's not chainable in IE 11.\n    map.set(pair[0], pair[1]);\n    return map;\n  }\n\n  /**\n   * Adds `value` to `set`.\n   *\n   * @private\n   * @param {Object} set The set to modify.\n   * @param {*} value The value to add.\n   * @returns {Object} Returns `set`.\n   */\n  function addSetEntry(set, value) {\n    // Don't return `set.add` because it's not chainable in IE 11.\n    set.add(value);\n    return set;\n  }\n\n  /**\n   * A faster alternative to `Function#apply`, this function invokes `func`\n   * with the `this` binding of `thisArg` and the arguments of `args`.\n   *\n   * @private\n   * @param {Function} func The function to invoke.\n   * @param {*} thisArg The `this` binding of `func`.\n   * @param {Array} args The arguments to invoke `func` with.\n   * @returns {*} Returns the result of `func`.\n   */\n  function apply(func, thisArg, args) {\n    switch (args.length) {\n      case 0: return func.call(thisArg);\n      case 1: return func.call(thisArg, args[0]);\n      case 2: return func.call(thisArg, args[0], args[1]);\n      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n    }\n    return func.apply(thisArg, args);\n  }\n\n  /**\n   * A specialized version of `baseAggregator` for arrays.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} setter The function to set `accumulator` values.\n   * @param {Function} iteratee The iteratee to transform keys.\n   * @param {Object} accumulator The initial aggregated object.\n   * @returns {Function} Returns `accumulator`.\n   */\n  function arrayAggregator(array, setter, iteratee, accumulator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      var value = array[index];\n      setter(accumulator, value, iteratee(value), array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.forEach` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEach(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (iteratee(array[index], index, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.forEachRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEachRight(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n\n    while (length--) {\n      if (iteratee(array[length], length, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.every` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n   *  else `false`.\n   */\n  function arrayEvery(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (!predicate(array[index], index, array)) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * A specialized version of `_.filter` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {Array} Returns the new filtered array.\n   */\n  function arrayFilter(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (predicate(value, index, array)) {\n        result[resIndex++] = value;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.includes` for arrays without support for\n   * specifying an index to search from.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludes(array, value) {\n    var length = array == null ? 0 : array.length;\n    return !!length && baseIndexOf(array, value, 0) > -1;\n  }\n\n  /**\n   * This function is like `arrayIncludes` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludesWith(array, value, comparator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (comparator(value, array[index])) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * A specialized version of `_.map` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the new mapped array.\n   */\n  function arrayMap(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        result = Array(length);\n\n    while (++index < length) {\n      result[index] = iteratee(array[index], index, array);\n    }\n    return result;\n  }\n\n  /**\n   * Appends the elements of `values` to `array`.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {Array} values The values to append.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayPush(array, values) {\n    var index = -1,\n        length = values.length,\n        offset = array.length;\n\n    while (++index < length) {\n      array[offset + index] = values[index];\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.reduce` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the first element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduce(array, iteratee, accumulator, initAccum) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    if (initAccum && length) {\n      accumulator = array[++index];\n    }\n    while (++index < length) {\n      accumulator = iteratee(accumulator, array[index], index, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.reduceRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the last element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n    var length = array == null ? 0 : array.length;\n    if (initAccum && length) {\n      accumulator = array[--length];\n    }\n    while (length--) {\n      accumulator = iteratee(accumulator, array[length], length, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.some` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if any element passes the predicate check,\n   *  else `false`.\n   */\n  function arraySome(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (predicate(array[index], index, array)) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * Gets the size of an ASCII `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  var asciiSize = baseProperty('length');\n\n  /**\n   * Converts an ASCII `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function asciiToArray(string) {\n    return string.split('');\n  }\n\n  /**\n   * Splits an ASCII `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function asciiWords(string) {\n    return string.match(reAsciiWord) || [];\n  }\n\n  /**\n   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n   * without support for iteratee shorthands, which iterates over `collection`\n   * using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the found element or its key, else `undefined`.\n   */\n  function baseFindKey(collection, predicate, eachFunc) {\n    var result;\n    eachFunc(collection, function(value, key, collection) {\n      if (predicate(value, key, collection)) {\n        result = key;\n        return false;\n      }\n    });\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n   * support for iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {number} fromIndex The index to search from.\n   * @param {boolean} [fromRight] Specify iterating from right to left.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n    var length = array.length,\n        index = fromIndex + (fromRight ? 1 : -1);\n\n    while ((fromRight ? index-- : ++index < length)) {\n      if (predicate(array[index], index, array)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOf(array, value, fromIndex) {\n    return value === value\n      ? strictIndexOf(array, value, fromIndex)\n      : baseFindIndex(array, baseIsNaN, fromIndex);\n  }\n\n  /**\n   * This function is like `baseIndexOf` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOfWith(array, value, fromIndex, comparator) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (comparator(array[index], value)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.isNaN` without support for number objects.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n   */\n  function baseIsNaN(value) {\n    return value !== value;\n  }\n\n  /**\n   * The base implementation of `_.mean` and `_.meanBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the mean.\n   */\n  function baseMean(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n    return length ? (baseSum(array, iteratee) / length) : NAN;\n  }\n\n  /**\n   * The base implementation of `_.property` without support for deep paths.\n   *\n   * @private\n   * @param {string} key The key of the property to get.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function baseProperty(key) {\n    return function(object) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.propertyOf` without support for deep paths.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function basePropertyOf(object) {\n    return function(key) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} accumulator The initial value.\n   * @param {boolean} initAccum Specify using the first or last element of\n   *  `collection` as the initial value.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the accumulated value.\n   */\n  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n    eachFunc(collection, function(value, index, collection) {\n      accumulator = initAccum\n        ? (initAccum = false, value)\n        : iteratee(accumulator, value, index, collection);\n    });\n    return accumulator;\n  }\n\n  /**\n   * The base implementation of `_.sortBy` which uses `comparer` to define the\n   * sort order of `array` and replaces criteria objects with their corresponding\n   * values.\n   *\n   * @private\n   * @param {Array} array The array to sort.\n   * @param {Function} comparer The function to define sort order.\n   * @returns {Array} Returns `array`.\n   */\n  function baseSortBy(array, comparer) {\n    var length = array.length;\n\n    array.sort(comparer);\n    while (length--) {\n      array[length] = array[length].value;\n    }\n    return array;\n  }\n\n  /**\n   * The base implementation of `_.sum` and `_.sumBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the sum.\n   */\n  function baseSum(array, iteratee) {\n    var result,\n        index = -1,\n        length = array.length;\n\n    while (++index < length) {\n      var current = iteratee(array[index]);\n      if (current !== undefined) {\n        result = result === undefined ? current : (result + current);\n      }\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.times` without support for iteratee shorthands\n   * or max array length checks.\n   *\n   * @private\n   * @param {number} n The number of times to invoke `iteratee`.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the array of results.\n   */\n  function baseTimes(n, iteratee) {\n    var index = -1,\n        result = Array(n);\n\n    while (++index < n) {\n      result[index] = iteratee(index);\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n   * of key-value pairs for `object` corresponding to the property names of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the key-value pairs.\n   */\n  function baseToPairs(object, props) {\n    return arrayMap(props, function(key) {\n      return [key, object[key]];\n    });\n  }\n\n  /**\n   * The base implementation of `_.unary` without support for storing metadata.\n   *\n   * @private\n   * @param {Function} func The function to cap arguments for.\n   * @returns {Function} Returns the new capped function.\n   */\n  function baseUnary(func) {\n    return function(value) {\n      return func(value);\n    };\n  }\n\n  /**\n   * The base implementation of `_.values` and `_.valuesIn` which creates an\n   * array of `object` property values corresponding to the property names\n   * of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the array of property values.\n   */\n  function baseValues(object, props) {\n    return arrayMap(props, function(key) {\n      return object[key];\n    });\n  }\n\n  /**\n   * Checks if a `cache` value for `key` exists.\n   *\n   * @private\n   * @param {Object} cache The cache to query.\n   * @param {string} key The key of the entry to check.\n   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n   */\n  function cacheHas(cache, key) {\n    return cache.has(key);\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the first unmatched string symbol.\n   */\n  function charsStartIndex(strSymbols, chrSymbols) {\n    var index = -1,\n        length = strSymbols.length;\n\n    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the last unmatched string symbol.\n   */\n  function charsEndIndex(strSymbols, chrSymbols) {\n    var index = strSymbols.length;\n\n    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Gets the number of `placeholder` occurrences in `array`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} placeholder The placeholder to search for.\n   * @returns {number} Returns the placeholder count.\n   */\n  function countHolders(array, placeholder) {\n    var length = array.length,\n        result = 0;\n\n    while (length--) {\n      if (array[length] === placeholder) {\n        ++result;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n   * letters to basic Latin letters.\n   *\n   * @private\n   * @param {string} letter The matched letter to deburr.\n   * @returns {string} Returns the deburred letter.\n   */\n  var deburrLetter = basePropertyOf(deburredLetters);\n\n  /**\n   * Used by `_.escape` to convert characters to HTML entities.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n  /**\n   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  function escapeStringChar(chr) {\n    return '\\\\' + stringEscapes[chr];\n  }\n\n  /**\n   * Gets the value at `key` of `object`.\n   *\n   * @private\n   * @param {Object} [object] The object to query.\n   * @param {string} key The key of the property to get.\n   * @returns {*} Returns the property value.\n   */\n  function getValue(object, key) {\n    return object == null ? undefined : object[key];\n  }\n\n  /**\n   * Checks if `string` contains Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n   */\n  function hasUnicode(string) {\n    return reHasUnicode.test(string);\n  }\n\n  /**\n   * Checks if `string` contains a word composed of Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a word is found, else `false`.\n   */\n  function hasUnicodeWord(string) {\n    return reHasUnicodeWord.test(string);\n  }\n\n  /**\n   * Converts `iterator` to an array.\n   *\n   * @private\n   * @param {Object} iterator The iterator to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function iteratorToArray(iterator) {\n    var data,\n        result = [];\n\n    while (!(data = iterator.next()).done) {\n      result.push(data.value);\n    }\n    return result;\n  }\n\n  /**\n   * Converts `map` to its key-value pairs.\n   *\n   * @private\n   * @param {Object} map The map to convert.\n   * @returns {Array} Returns the key-value pairs.\n   */\n  function mapToArray(map) {\n    var index = -1,\n        result = Array(map.size);\n\n    map.forEach(function(value, key) {\n      result[++index] = [key, value];\n    });\n    return result;\n  }\n\n  /**\n   * Creates a unary function that invokes `func` with its argument transformed.\n   *\n   * @private\n   * @param {Function} func The function to wrap.\n   * @param {Function} transform The argument transform.\n   * @returns {Function} Returns the new function.\n   */\n  function overArg(func, transform) {\n    return function(arg) {\n      return func(transform(arg));\n    };\n  }\n\n  /**\n   * Replaces all `placeholder` elements in `array` with an internal placeholder\n   * and returns an array of their indexes.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {*} placeholder The placeholder to replace.\n   * @returns {Array} Returns the new array of placeholder indexes.\n   */\n  function replaceHolders(array, placeholder) {\n    var index = -1,\n        length = array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (value === placeholder || value === PLACEHOLDER) {\n        array[index] = PLACEHOLDER;\n        result[resIndex++] = index;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Converts `set` to an array of its values.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the values.\n   */\n  function setToArray(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = value;\n    });\n    return result;\n  }\n\n  /**\n   * Converts `set` to its value-value pairs.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the value-value pairs.\n   */\n  function setToPairs(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = [value, value];\n    });\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.indexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictIndexOf(array, value, fromIndex) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * A specialized version of `_.lastIndexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictLastIndexOf(array, value, fromIndex) {\n    var index = fromIndex + 1;\n    while (index--) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return index;\n  }\n\n  /**\n   * Gets the number of symbols in `string`.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {number} Returns the string size.\n   */\n  function stringSize(string) {\n    return hasUnicode(string)\n      ? unicodeSize(string)\n      : asciiSize(string);\n  }\n\n  /**\n   * Converts `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function stringToArray(string) {\n    return hasUnicode(string)\n      ? unicodeToArray(string)\n      : asciiToArray(string);\n  }\n\n  /**\n   * Used by `_.unescape` to convert HTML entities to characters.\n   *\n   * @private\n   * @param {string} chr The matched character to unescape.\n   * @returns {string} Returns the unescaped character.\n   */\n  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n  /**\n   * Gets the size of a Unicode `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  function unicodeSize(string) {\n    var result = reUnicode.lastIndex = 0;\n    while (reUnicode.test(string)) {\n      ++result;\n    }\n    return result;\n  }\n\n  /**\n   * Converts a Unicode `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function unicodeToArray(string) {\n    return string.match(reUnicode) || [];\n  }\n\n  /**\n   * Splits a Unicode `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function unicodeWords(string) {\n    return string.match(reUnicodeWord) || [];\n  }\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Create a new pristine `lodash` function using the `context` object.\n   *\n   * @static\n   * @memberOf _\n   * @since 1.1.0\n   * @category Util\n   * @param {Object} [context=root] The context object.\n   * @returns {Function} Returns a new `lodash` function.\n   * @example\n   *\n   * _.mixin({ 'foo': _.constant('foo') });\n   *\n   * var lodash = _.runInContext();\n   * lodash.mixin({ 'bar': lodash.constant('bar') });\n   *\n   * _.isFunction(_.foo);\n   * // => true\n   * _.isFunction(_.bar);\n   * // => false\n   *\n   * lodash.isFunction(lodash.foo);\n   * // => false\n   * lodash.isFunction(lodash.bar);\n   * // => true\n   *\n   * // Create a suped-up `defer` in Node.js.\n   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n   */\n  var runInContext = (function runInContext(context) {\n    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n    /** Built-in constructor references. */\n    var Array = context.Array,\n        Date = context.Date,\n        Error = context.Error,\n        Function = context.Function,\n        Math = context.Math,\n        Object = context.Object,\n        RegExp = context.RegExp,\n        String = context.String,\n        TypeError = context.TypeError;\n\n    /** Used for built-in method references. */\n    var arrayProto = Array.prototype,\n        funcProto = Function.prototype,\n        objectProto = Object.prototype;\n\n    /** Used to detect overreaching core-js shims. */\n    var coreJsData = context['__core-js_shared__'];\n\n    /** Used to resolve the decompiled source of functions. */\n    var funcToString = funcProto.toString;\n\n    /** Used to check objects for own properties. */\n    var hasOwnProperty = objectProto.hasOwnProperty;\n\n    /** Used to generate unique IDs. */\n    var idCounter = 0;\n\n    /** Used to detect methods masquerading as native. */\n    var maskSrcKey = (function() {\n      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n      return uid ? ('Symbol(src)_1.' + uid) : '';\n    }());\n\n    /**\n     * Used to resolve the\n     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n     * of values.\n     */\n    var nativeObjectToString = objectProto.toString;\n\n    /** Used to infer the `Object` constructor. */\n    var objectCtorString = funcToString.call(Object);\n\n    /** Used to restore the original `_` reference in `_.noConflict`. */\n    var oldDash = root._;\n\n    /** Used to detect if a method is native. */\n    var reIsNative = RegExp('^' +\n      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n    );\n\n    /** Built-in value references. */\n    var Buffer = moduleExports ? context.Buffer : undefined,\n        Symbol = context.Symbol,\n        Uint8Array = context.Uint8Array,\n        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n        getPrototype = overArg(Object.getPrototypeOf, Object),\n        objectCreate = Object.create,\n        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n        splice = arrayProto.splice,\n        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n        symIterator = Symbol ? Symbol.iterator : undefined,\n        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n    var defineProperty = (function() {\n      try {\n        var func = getNative(Object, 'defineProperty');\n        func({}, '', {});\n        return func;\n      } catch (e) {}\n    }());\n\n    /** Mocked built-ins. */\n    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n    /* Built-in method references for those with the same name as other `lodash` methods. */\n    var nativeCeil = Math.ceil,\n        nativeFloor = Math.floor,\n        nativeGetSymbols = Object.getOwnPropertySymbols,\n        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n        nativeIsFinite = context.isFinite,\n        nativeJoin = arrayProto.join,\n        nativeKeys = overArg(Object.keys, Object),\n        nativeMax = Math.max,\n        nativeMin = Math.min,\n        nativeNow = Date.now,\n        nativeParseInt = context.parseInt,\n        nativeRandom = Math.random,\n        nativeReverse = arrayProto.reverse;\n\n    /* Built-in method references that are verified to be native. */\n    var DataView = getNative(context, 'DataView'),\n        Map = getNative(context, 'Map'),\n        Promise = getNative(context, 'Promise'),\n        Set = getNative(context, 'Set'),\n        WeakMap = getNative(context, 'WeakMap'),\n        nativeCreate = getNative(Object, 'create');\n\n    /** Used to store function metadata. */\n    var metaMap = WeakMap && new WeakMap;\n\n    /** Used to lookup unminified function names. */\n    var realNames = {};\n\n    /** Used to detect maps, sets, and weakmaps. */\n    var dataViewCtorString = toSource(DataView),\n        mapCtorString = toSource(Map),\n        promiseCtorString = toSource(Promise),\n        setCtorString = toSource(Set),\n        weakMapCtorString = toSource(WeakMap);\n\n    /** Used to convert symbols to primitives and strings. */\n    var symbolProto = Symbol ? Symbol.prototype : undefined,\n        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` object which wraps `value` to enable implicit method\n     * chain sequences. Methods that operate on and return arrays, collections,\n     * and functions can be chained together. Methods that retrieve a single value\n     * or may return a primitive value will automatically end the chain sequence\n     * and return the unwrapped value. Otherwise, the value must be unwrapped\n     * with `_#value`.\n     *\n     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n     * enabled using `_.chain`.\n     *\n     * The execution of chained methods is lazy, that is, it's deferred until\n     * `_#value` is implicitly or explicitly called.\n     *\n     * Lazy evaluation allows several methods to support shortcut fusion.\n     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n     * the creation of intermediate arrays and can greatly reduce the number of\n     * iteratee executions. Sections of a chain sequence qualify for shortcut\n     * fusion if the section is applied to an array and iteratees accept only\n     * one argument. The heuristic for whether a section qualifies for shortcut\n     * fusion is subject to change.\n     *\n     * Chaining is supported in custom builds as long as the `_#value` method is\n     * directly or indirectly included in the build.\n     *\n     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n     *\n     * The wrapper `Array` methods are:\n     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n     *\n     * The wrapper `String` methods are:\n     * `replace` and `split`\n     *\n     * The wrapper methods that support shortcut fusion are:\n     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n     *\n     * The chainable wrapper methods are:\n     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n     * `zipObject`, `zipObjectDeep`, and `zipWith`\n     *\n     * The wrapper methods that are **not** chainable by default are:\n     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n     * `upperFirst`, `value`, and `words`\n     *\n     * @name _\n     * @constructor\n     * @category Seq\n     * @param {*} value The value to wrap in a `lodash` instance.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2, 3]);\n     *\n     * // Returns an unwrapped value.\n     * wrapped.reduce(_.add);\n     * // => 6\n     *\n     * // Returns a wrapped value.\n     * var squares = wrapped.map(square);\n     *\n     * _.isArray(squares);\n     * // => false\n     *\n     * _.isArray(squares.value());\n     * // => true\n     */\n    function lodash(value) {\n      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n        if (value instanceof LodashWrapper) {\n          return value;\n        }\n        if (hasOwnProperty.call(value, '__wrapped__')) {\n          return wrapperClone(value);\n        }\n      }\n      return new LodashWrapper(value);\n    }\n\n    /**\n     * The base implementation of `_.create` without support for assigning\n     * properties to the created object.\n     *\n     * @private\n     * @param {Object} proto The object to inherit from.\n     * @returns {Object} Returns the new object.\n     */\n    var baseCreate = (function() {\n      function object() {}\n      return function(proto) {\n        if (!isObject(proto)) {\n          return {};\n        }\n        if (objectCreate) {\n          return objectCreate(proto);\n        }\n        object.prototype = proto;\n        var result = new object;\n        object.prototype = undefined;\n        return result;\n      };\n    }());\n\n    /**\n     * The function whose prototype chain sequence wrappers inherit from.\n     *\n     * @private\n     */\n    function baseLodash() {\n      // No operation performed.\n    }\n\n    /**\n     * The base constructor for creating `lodash` wrapper objects.\n     *\n     * @private\n     * @param {*} value The value to wrap.\n     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n     */\n    function LodashWrapper(value, chainAll) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__chain__ = !!chainAll;\n      this.__index__ = 0;\n      this.__values__ = undefined;\n    }\n\n    /**\n     * By default, the template delimiters used by lodash are like those in\n     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n     * following template settings to use alternative delimiters.\n     *\n     * @static\n     * @memberOf _\n     * @type {Object}\n     */\n    lodash.templateSettings = {\n\n      /**\n       * Used to detect `data` property values to be HTML-escaped.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'escape': reEscape,\n\n      /**\n       * Used to detect code to be evaluated.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'evaluate': reEvaluate,\n\n      /**\n       * Used to detect `data` property values to inject.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'interpolate': reInterpolate,\n\n      /**\n       * Used to reference the data object in the template text.\n       *\n       * @memberOf _.templateSettings\n       * @type {string}\n       */\n      'variable': '',\n\n      /**\n       * Used to import variables into the compiled template.\n       *\n       * @memberOf _.templateSettings\n       * @type {Object}\n       */\n      'imports': {\n\n        /**\n         * A reference to the `lodash` function.\n         *\n         * @memberOf _.templateSettings.imports\n         * @type {Function}\n         */\n        '_': lodash\n      }\n    };\n\n    // Ensure wrappers are instances of `baseLodash`.\n    lodash.prototype = baseLodash.prototype;\n    lodash.prototype.constructor = lodash;\n\n    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n    LodashWrapper.prototype.constructor = LodashWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n     *\n     * @private\n     * @constructor\n     * @param {*} value The value to wrap.\n     */\n    function LazyWrapper(value) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__dir__ = 1;\n      this.__filtered__ = false;\n      this.__iteratees__ = [];\n      this.__takeCount__ = MAX_ARRAY_LENGTH;\n      this.__views__ = [];\n    }\n\n    /**\n     * Creates a clone of the lazy wrapper object.\n     *\n     * @private\n     * @name clone\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the cloned `LazyWrapper` object.\n     */\n    function lazyClone() {\n      var result = new LazyWrapper(this.__wrapped__);\n      result.__actions__ = copyArray(this.__actions__);\n      result.__dir__ = this.__dir__;\n      result.__filtered__ = this.__filtered__;\n      result.__iteratees__ = copyArray(this.__iteratees__);\n      result.__takeCount__ = this.__takeCount__;\n      result.__views__ = copyArray(this.__views__);\n      return result;\n    }\n\n    /**\n     * Reverses the direction of lazy iteration.\n     *\n     * @private\n     * @name reverse\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n     */\n    function lazyReverse() {\n      if (this.__filtered__) {\n        var result = new LazyWrapper(this);\n        result.__dir__ = -1;\n        result.__filtered__ = true;\n      } else {\n        result = this.clone();\n        result.__dir__ *= -1;\n      }\n      return result;\n    }\n\n    /**\n     * Extracts the unwrapped value from its lazy wrapper.\n     *\n     * @private\n     * @name value\n     * @memberOf LazyWrapper\n     * @returns {*} Returns the unwrapped value.\n     */\n    function lazyValue() {\n      var array = this.__wrapped__.value(),\n          dir = this.__dir__,\n          isArr = isArray(array),\n          isRight = dir < 0,\n          arrLength = isArr ? array.length : 0,\n          view = getView(0, arrLength, this.__views__),\n          start = view.start,\n          end = view.end,\n          length = end - start,\n          index = isRight ? end : (start - 1),\n          iteratees = this.__iteratees__,\n          iterLength = iteratees.length,\n          resIndex = 0,\n          takeCount = nativeMin(length, this.__takeCount__);\n\n      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n        return baseWrapperValue(array, this.__actions__);\n      }\n      var result = [];\n\n      outer:\n      while (length-- && resIndex < takeCount) {\n        index += dir;\n\n        var iterIndex = -1,\n            value = array[index];\n\n        while (++iterIndex < iterLength) {\n          var data = iteratees[iterIndex],\n              iteratee = data.iteratee,\n              type = data.type,\n              computed = iteratee(value);\n\n          if (type == LAZY_MAP_FLAG) {\n            value = computed;\n          } else if (!computed) {\n            if (type == LAZY_FILTER_FLAG) {\n              continue outer;\n            } else {\n              break outer;\n            }\n          }\n        }\n        result[resIndex++] = value;\n      }\n      return result;\n    }\n\n    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n    LazyWrapper.prototype.constructor = LazyWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a hash object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Hash(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the hash.\n     *\n     * @private\n     * @name clear\n     * @memberOf Hash\n     */\n    function hashClear() {\n      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the hash.\n     *\n     * @private\n     * @name delete\n     * @memberOf Hash\n     * @param {Object} hash The hash to modify.\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function hashDelete(key) {\n      var result = this.has(key) && delete this.__data__[key];\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the hash value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Hash\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function hashGet(key) {\n      var data = this.__data__;\n      if (nativeCreate) {\n        var result = data[key];\n        return result === HASH_UNDEFINED ? undefined : result;\n      }\n      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n    }\n\n    /**\n     * Checks if a hash value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Hash\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function hashHas(key) {\n      var data = this.__data__;\n      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n    }\n\n    /**\n     * Sets the hash `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Hash\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the hash instance.\n     */\n    function hashSet(key, value) {\n      var data = this.__data__;\n      this.size += this.has(key) ? 0 : 1;\n      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n      return this;\n    }\n\n    // Add methods to `Hash`.\n    Hash.prototype.clear = hashClear;\n    Hash.prototype['delete'] = hashDelete;\n    Hash.prototype.get = hashGet;\n    Hash.prototype.has = hashHas;\n    Hash.prototype.set = hashSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an list cache object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function ListCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the list cache.\n     *\n     * @private\n     * @name clear\n     * @memberOf ListCache\n     */\n    function listCacheClear() {\n      this.__data__ = [];\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the list cache.\n     *\n     * @private\n     * @name delete\n     * @memberOf ListCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function listCacheDelete(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        return false;\n      }\n      var lastIndex = data.length - 1;\n      if (index == lastIndex) {\n        data.pop();\n      } else {\n        splice.call(data, index, 1);\n      }\n      --this.size;\n      return true;\n    }\n\n    /**\n     * Gets the list cache value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf ListCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function listCacheGet(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      return index < 0 ? undefined : data[index][1];\n    }\n\n    /**\n     * Checks if a list cache value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf ListCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function listCacheHas(key) {\n      return assocIndexOf(this.__data__, key) > -1;\n    }\n\n    /**\n     * Sets the list cache `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf ListCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the list cache instance.\n     */\n    function listCacheSet(key, value) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        ++this.size;\n        data.push([key, value]);\n      } else {\n        data[index][1] = value;\n      }\n      return this;\n    }\n\n    // Add methods to `ListCache`.\n    ListCache.prototype.clear = listCacheClear;\n    ListCache.prototype['delete'] = listCacheDelete;\n    ListCache.prototype.get = listCacheGet;\n    ListCache.prototype.has = listCacheHas;\n    ListCache.prototype.set = listCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a map cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function MapCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the map.\n     *\n     * @private\n     * @name clear\n     * @memberOf MapCache\n     */\n    function mapCacheClear() {\n      this.size = 0;\n      this.__data__ = {\n        'hash': new Hash,\n        'map': new (Map || ListCache),\n        'string': new Hash\n      };\n    }\n\n    /**\n     * Removes `key` and its value from the map.\n     *\n     * @private\n     * @name delete\n     * @memberOf MapCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function mapCacheDelete(key) {\n      var result = getMapData(this, key)['delete'](key);\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the map value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf MapCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function mapCacheGet(key) {\n      return getMapData(this, key).get(key);\n    }\n\n    /**\n     * Checks if a map value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf MapCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function mapCacheHas(key) {\n      return getMapData(this, key).has(key);\n    }\n\n    /**\n     * Sets the map `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf MapCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the map cache instance.\n     */\n    function mapCacheSet(key, value) {\n      var data = getMapData(this, key),\n          size = data.size;\n\n      data.set(key, value);\n      this.size += data.size == size ? 0 : 1;\n      return this;\n    }\n\n    // Add methods to `MapCache`.\n    MapCache.prototype.clear = mapCacheClear;\n    MapCache.prototype['delete'] = mapCacheDelete;\n    MapCache.prototype.get = mapCacheGet;\n    MapCache.prototype.has = mapCacheHas;\n    MapCache.prototype.set = mapCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     *\n     * Creates an array cache object to store unique values.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [values] The values to cache.\n     */\n    function SetCache(values) {\n      var index = -1,\n          length = values == null ? 0 : values.length;\n\n      this.__data__ = new MapCache;\n      while (++index < length) {\n        this.add(values[index]);\n      }\n    }\n\n    /**\n     * Adds `value` to the array cache.\n     *\n     * @private\n     * @name add\n     * @memberOf SetCache\n     * @alias push\n     * @param {*} value The value to cache.\n     * @returns {Object} Returns the cache instance.\n     */\n    function setCacheAdd(value) {\n      this.__data__.set(value, HASH_UNDEFINED);\n      return this;\n    }\n\n    /**\n     * Checks if `value` is in the array cache.\n     *\n     * @private\n     * @name has\n     * @memberOf SetCache\n     * @param {*} value The value to search for.\n     * @returns {number} Returns `true` if `value` is found, else `false`.\n     */\n    function setCacheHas(value) {\n      return this.__data__.has(value);\n    }\n\n    // Add methods to `SetCache`.\n    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n    SetCache.prototype.has = setCacheHas;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a stack cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Stack(entries) {\n      var data = this.__data__ = new ListCache(entries);\n      this.size = data.size;\n    }\n\n    /**\n     * Removes all key-value entries from the stack.\n     *\n     * @private\n     * @name clear\n     * @memberOf Stack\n     */\n    function stackClear() {\n      this.__data__ = new ListCache;\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the stack.\n     *\n     * @private\n     * @name delete\n     * @memberOf Stack\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function stackDelete(key) {\n      var data = this.__data__,\n          result = data['delete'](key);\n\n      this.size = data.size;\n      return result;\n    }\n\n    /**\n     * Gets the stack value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Stack\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function stackGet(key) {\n      return this.__data__.get(key);\n    }\n\n    /**\n     * Checks if a stack value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Stack\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function stackHas(key) {\n      return this.__data__.has(key);\n    }\n\n    /**\n     * Sets the stack `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Stack\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the stack cache instance.\n     */\n    function stackSet(key, value) {\n      var data = this.__data__;\n      if (data instanceof ListCache) {\n        var pairs = data.__data__;\n        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n          pairs.push([key, value]);\n          this.size = ++data.size;\n          return this;\n        }\n        data = this.__data__ = new MapCache(pairs);\n      }\n      data.set(key, value);\n      this.size = data.size;\n      return this;\n    }\n\n    // Add methods to `Stack`.\n    Stack.prototype.clear = stackClear;\n    Stack.prototype['delete'] = stackDelete;\n    Stack.prototype.get = stackGet;\n    Stack.prototype.has = stackHas;\n    Stack.prototype.set = stackSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of the enumerable property names of the array-like `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @param {boolean} inherited Specify returning inherited property names.\n     * @returns {Array} Returns the array of property names.\n     */\n    function arrayLikeKeys(value, inherited) {\n      var isArr = isArray(value),\n          isArg = !isArr && isArguments(value),\n          isBuff = !isArr && !isArg && isBuffer(value),\n          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n          skipIndexes = isArr || isArg || isBuff || isType,\n          result = skipIndexes ? baseTimes(value.length, String) : [],\n          length = result.length;\n\n      for (var key in value) {\n        if ((inherited || hasOwnProperty.call(value, key)) &&\n            !(skipIndexes && (\n               // Safari 9 has enumerable `arguments.length` in strict mode.\n               key == 'length' ||\n               // Node.js 0.10 has enumerable non-index properties on buffers.\n               (isBuff && (key == 'offset' || key == 'parent')) ||\n               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n               // Skip index properties.\n               isIndex(key, length)\n            ))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `_.sample` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @returns {*} Returns the random element.\n     */\n    function arraySample(array) {\n      var length = array.length;\n      return length ? array[baseRandom(0, length - 1)] : undefined;\n    }\n\n    /**\n     * A specialized version of `_.sampleSize` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function arraySampleSize(array, n) {\n      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * A specialized version of `_.shuffle` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function arrayShuffle(array) {\n      return shuffleSelf(copyArray(array));\n    }\n\n    /**\n     * This function is like `assignValue` except that it doesn't assign\n     * `undefined` values.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignMergeValue(object, key, value) {\n      if ((value !== undefined && !eq(object[key], value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignValue(object, key, value) {\n      var objValue = object[key];\n      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Gets the index at which the `key` is found in `array` of key-value pairs.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {*} key The key to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     */\n    function assocIndexOf(array, key) {\n      var length = array.length;\n      while (length--) {\n        if (eq(array[length][0], key)) {\n          return length;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * Aggregates elements of `collection` on `accumulator` with keys transformed\n     * by `iteratee` and values set by `setter`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform keys.\n     * @param {Object} accumulator The initial aggregated object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseAggregator(collection, setter, iteratee, accumulator) {\n      baseEach(collection, function(value, key, collection) {\n        setter(accumulator, value, iteratee(value), collection);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.assign` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssign(object, source) {\n      return object && copyObject(source, keys(source), object);\n    }\n\n    /**\n     * The base implementation of `_.assignIn` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssignIn(object, source) {\n      return object && copyObject(source, keysIn(source), object);\n    }\n\n    /**\n     * The base implementation of `assignValue` and `assignMergeValue` without\n     * value checks.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function baseAssignValue(object, key, value) {\n      if (key == '__proto__' && defineProperty) {\n        defineProperty(object, key, {\n          'configurable': true,\n          'enumerable': true,\n          'value': value,\n          'writable': true\n        });\n      } else {\n        object[key] = value;\n      }\n    }\n\n    /**\n     * The base implementation of `_.at` without support for individual paths.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Array} Returns the picked elements.\n     */\n    function baseAt(object, paths) {\n      var index = -1,\n          length = paths.length,\n          result = Array(length),\n          skip = object == null;\n\n      while (++index < length) {\n        result[index] = skip ? undefined : get(object, paths[index]);\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.clamp` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     */\n    function baseClamp(number, lower, upper) {\n      if (number === number) {\n        if (upper !== undefined) {\n          number = number <= upper ? number : upper;\n        }\n        if (lower !== undefined) {\n          number = number >= lower ? number : lower;\n        }\n      }\n      return number;\n    }\n\n    /**\n     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n     * traversed objects.\n     *\n     * @private\n     * @param {*} value The value to clone.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Deep clone\n     *  2 - Flatten inherited properties\n     *  4 - Clone symbols\n     * @param {Function} [customizer] The function to customize cloning.\n     * @param {string} [key] The key of `value`.\n     * @param {Object} [object] The parent object of `value`.\n     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n     * @returns {*} Returns the cloned value.\n     */\n    function baseClone(value, bitmask, customizer, key, object, stack) {\n      var result,\n          isDeep = bitmask & CLONE_DEEP_FLAG,\n          isFlat = bitmask & CLONE_FLAT_FLAG,\n          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n      if (customizer) {\n        result = object ? customizer(value, key, object, stack) : customizer(value);\n      }\n      if (result !== undefined) {\n        return result;\n      }\n      if (!isObject(value)) {\n        return value;\n      }\n      var isArr = isArray(value);\n      if (isArr) {\n        result = initCloneArray(value);\n        if (!isDeep) {\n          return copyArray(value, result);\n        }\n      } else {\n        var tag = getTag(value),\n            isFunc = tag == funcTag || tag == genTag;\n\n        if (isBuffer(value)) {\n          return cloneBuffer(value, isDeep);\n        }\n        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n          if (!isDeep) {\n            return isFlat\n              ? copySymbolsIn(value, baseAssignIn(result, value))\n              : copySymbols(value, baseAssign(result, value));\n          }\n        } else {\n          if (!cloneableTags[tag]) {\n            return object ? value : {};\n          }\n          result = initCloneByTag(value, tag, baseClone, isDeep);\n        }\n      }\n      // Check for circular references and return its corresponding clone.\n      stack || (stack = new Stack);\n      var stacked = stack.get(value);\n      if (stacked) {\n        return stacked;\n      }\n      stack.set(value, result);\n\n      var keysFunc = isFull\n        ? (isFlat ? getAllKeysIn : getAllKeys)\n        : (isFlat ? keysIn : keys);\n\n      var props = isArr ? undefined : keysFunc(value);\n      arrayEach(props || value, function(subValue, key) {\n        if (props) {\n          key = subValue;\n          subValue = value[key];\n        }\n        // Recursively populate clone (susceptible to call stack limits).\n        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.conforms` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseConforms(source) {\n      var props = keys(source);\n      return function(object) {\n        return baseConformsTo(object, source, props);\n      };\n    }\n\n    /**\n     * The base implementation of `_.conformsTo` which accepts `props` to check.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     */\n    function baseConformsTo(object, source, props) {\n      var length = props.length;\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (length--) {\n        var key = props[length],\n            predicate = source[key],\n            value = object[key];\n\n        if ((value === undefined && !(key in object)) || !predicate(value)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n     * to provide to `func`.\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {Array} args The arguments to provide to `func`.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    function baseDelay(func, wait, args) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return setTimeout(function() { func.apply(undefined, args); }, wait);\n    }\n\n    /**\n     * The base implementation of methods like `_.difference` without support\n     * for excluding multiple arrays or iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Array} values The values to exclude.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     */\n    function baseDifference(array, values, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          isCommon = true,\n          length = array.length,\n          result = [],\n          valuesLength = values.length;\n\n      if (!length) {\n        return result;\n      }\n      if (iteratee) {\n        values = arrayMap(values, baseUnary(iteratee));\n      }\n      if (comparator) {\n        includes = arrayIncludesWith;\n        isCommon = false;\n      }\n      else if (values.length >= LARGE_ARRAY_SIZE) {\n        includes = cacheHas;\n        isCommon = false;\n        values = new SetCache(values);\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee == null ? value : iteratee(value);\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var valuesIndex = valuesLength;\n          while (valuesIndex--) {\n            if (values[valuesIndex] === computed) {\n              continue outer;\n            }\n          }\n          result.push(value);\n        }\n        else if (!includes(values, computed, comparator)) {\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.forEach` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEach = createBaseEach(baseForOwn);\n\n    /**\n     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n    /**\n     * The base implementation of `_.every` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`\n     */\n    function baseEvery(collection, predicate) {\n      var result = true;\n      baseEach(collection, function(value, index, collection) {\n        result = !!predicate(value, index, collection);\n        return result;\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of methods like `_.max` and `_.min` which accepts a\n     * `comparator` to determine the extremum value.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The iteratee invoked per iteration.\n     * @param {Function} comparator The comparator used to compare values.\n     * @returns {*} Returns the extremum value.\n     */\n    function baseExtremum(array, iteratee, comparator) {\n      var index = -1,\n          length = array.length;\n\n      while (++index < length) {\n        var value = array[index],\n            current = iteratee(value);\n\n        if (current != null && (computed === undefined\n              ? (current === current && !isSymbol(current))\n              : comparator(current, computed)\n            )) {\n          var computed = current,\n              result = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.fill` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     */\n    function baseFill(array, value, start, end) {\n      var length = array.length;\n\n      start = toInteger(start);\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = (end === undefined || end > length) ? length : toInteger(end);\n      if (end < 0) {\n        end += length;\n      }\n      end = start > end ? 0 : toLength(end);\n      while (start < end) {\n        array[start++] = value;\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.filter` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     */\n    function baseFilter(collection, predicate) {\n      var result = [];\n      baseEach(collection, function(value, index, collection) {\n        if (predicate(value, index, collection)) {\n          result.push(value);\n        }\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.flatten` with support for restricting flattening.\n     *\n     * @private\n     * @param {Array} array The array to flatten.\n     * @param {number} depth The maximum recursion depth.\n     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n     * @param {Array} [result=[]] The initial result value.\n     * @returns {Array} Returns the new flattened array.\n     */\n    function baseFlatten(array, depth, predicate, isStrict, result) {\n      var index = -1,\n          length = array.length;\n\n      predicate || (predicate = isFlattenable);\n      result || (result = []);\n\n      while (++index < length) {\n        var value = array[index];\n        if (depth > 0 && predicate(value)) {\n          if (depth > 1) {\n            // Recursively flatten arrays (susceptible to call stack limits).\n            baseFlatten(value, depth - 1, predicate, isStrict, result);\n          } else {\n            arrayPush(result, value);\n          }\n        } else if (!isStrict) {\n          result[result.length] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `baseForOwn` which iterates over `object`\n     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseFor = createBaseFor();\n\n    /**\n     * This function is like `baseFor` except that it iterates over properties\n     * in the opposite order.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseForRight = createBaseFor(true);\n\n    /**\n     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwn(object, iteratee) {\n      return object && baseFor(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwnRight(object, iteratee) {\n      return object && baseForRight(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.functions` which creates an array of\n     * `object` function property names filtered from `props`.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Array} props The property names to filter.\n     * @returns {Array} Returns the function names.\n     */\n    function baseFunctions(object, props) {\n      return arrayFilter(props, function(key) {\n        return isFunction(object[key]);\n      });\n    }\n\n    /**\n     * The base implementation of `_.get` without support for default values.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseGet(object, path) {\n      path = castPath(path, object);\n\n      var index = 0,\n          length = path.length;\n\n      while (object != null && index < length) {\n        object = object[toKey(path[index++])];\n      }\n      return (index && index == length) ? object : undefined;\n    }\n\n    /**\n     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n      var result = keysFunc(object);\n      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n    }\n\n    /**\n     * The base implementation of `getTag` without fallbacks for buggy environments.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    function baseGetTag(value) {\n      if (value == null) {\n        return value === undefined ? undefinedTag : nullTag;\n      }\n      return (symToStringTag && symToStringTag in Object(value))\n        ? getRawTag(value)\n        : objectToString(value);\n    }\n\n    /**\n     * The base implementation of `_.gt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     */\n    function baseGt(value, other) {\n      return value > other;\n    }\n\n    /**\n     * The base implementation of `_.has` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHas(object, key) {\n      return object != null && hasOwnProperty.call(object, key);\n    }\n\n    /**\n     * The base implementation of `_.hasIn` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHasIn(object, key) {\n      return object != null && key in Object(object);\n    }\n\n    /**\n     * The base implementation of `_.inRange` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to check.\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     */\n    function baseInRange(number, start, end) {\n      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n    }\n\n    /**\n     * The base implementation of methods like `_.intersection`, without support\n     * for iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of shared values.\n     */\n    function baseIntersection(arrays, iteratee, comparator) {\n      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n          length = arrays[0].length,\n          othLength = arrays.length,\n          othIndex = othLength,\n          caches = Array(othLength),\n          maxLength = Infinity,\n          result = [];\n\n      while (othIndex--) {\n        var array = arrays[othIndex];\n        if (othIndex && iteratee) {\n          array = arrayMap(array, baseUnary(iteratee));\n        }\n        maxLength = nativeMin(array.length, maxLength);\n        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n          ? new SetCache(othIndex && array)\n          : undefined;\n      }\n      array = arrays[0];\n\n      var index = -1,\n          seen = caches[0];\n\n      outer:\n      while (++index < length && result.length < maxLength) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (!(seen\n              ? cacheHas(seen, computed)\n              : includes(result, computed, comparator)\n            )) {\n          othIndex = othLength;\n          while (--othIndex) {\n            var cache = caches[othIndex];\n            if (!(cache\n                  ? cacheHas(cache, computed)\n                  : includes(arrays[othIndex], computed, comparator))\n                ) {\n              continue outer;\n            }\n          }\n          if (seen) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.invert` and `_.invertBy` which inverts\n     * `object` with values transformed by `iteratee` and set by `setter`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform values.\n     * @param {Object} accumulator The initial inverted object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseInverter(object, setter, iteratee, accumulator) {\n      baseForOwn(object, function(value, key, object) {\n        setter(accumulator, iteratee(value), key, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.invoke` without support for individual\n     * method arguments.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {Array} args The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     */\n    function baseInvoke(object, path, args) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      var func = object == null ? object : object[toKey(last(path))];\n      return func == null ? undefined : apply(func, object, args);\n    }\n\n    /**\n     * The base implementation of `_.isArguments`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     */\n    function baseIsArguments(value) {\n      return isObjectLike(value) && baseGetTag(value) == argsTag;\n    }\n\n    /**\n     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     */\n    function baseIsArrayBuffer(value) {\n      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n    }\n\n    /**\n     * The base implementation of `_.isDate` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     */\n    function baseIsDate(value) {\n      return isObjectLike(value) && baseGetTag(value) == dateTag;\n    }\n\n    /**\n     * The base implementation of `_.isEqual` which supports partial comparisons\n     * and tracks traversed objects.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Unordered comparison\n     *  2 - Partial comparison\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     */\n    function baseIsEqual(value, other, bitmask, customizer, stack) {\n      if (value === other) {\n        return true;\n      }\n      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n        return value !== value && other !== other;\n      }\n      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n    }\n\n    /**\n     * A specialized version of `baseIsEqual` for arrays and objects which performs\n     * deep comparisons and tracks traversed objects enabling objects with circular\n     * references to be compared.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n      var objIsArr = isArray(object),\n          othIsArr = isArray(other),\n          objTag = objIsArr ? arrayTag : getTag(object),\n          othTag = othIsArr ? arrayTag : getTag(other);\n\n      objTag = objTag == argsTag ? objectTag : objTag;\n      othTag = othTag == argsTag ? objectTag : othTag;\n\n      var objIsObj = objTag == objectTag,\n          othIsObj = othTag == objectTag,\n          isSameTag = objTag == othTag;\n\n      if (isSameTag && isBuffer(object)) {\n        if (!isBuffer(other)) {\n          return false;\n        }\n        objIsArr = true;\n        objIsObj = false;\n      }\n      if (isSameTag && !objIsObj) {\n        stack || (stack = new Stack);\n        return (objIsArr || isTypedArray(object))\n          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n      }\n      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n        if (objIsWrapped || othIsWrapped) {\n          var objUnwrapped = objIsWrapped ? object.value() : object,\n              othUnwrapped = othIsWrapped ? other.value() : other;\n\n          stack || (stack = new Stack);\n          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n        }\n      }\n      if (!isSameTag) {\n        return false;\n      }\n      stack || (stack = new Stack);\n      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n    }\n\n    /**\n     * The base implementation of `_.isMap` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     */\n    function baseIsMap(value) {\n      return isObjectLike(value) && getTag(value) == mapTag;\n    }\n\n    /**\n     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Array} matchData The property names, values, and compare flags to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     */\n    function baseIsMatch(object, source, matchData, customizer) {\n      var index = matchData.length,\n          length = index,\n          noCustomizer = !customizer;\n\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (index--) {\n        var data = matchData[index];\n        if ((noCustomizer && data[2])\n              ? data[1] !== object[data[0]]\n              : !(data[0] in object)\n            ) {\n          return false;\n        }\n      }\n      while (++index < length) {\n        data = matchData[index];\n        var key = data[0],\n            objValue = object[key],\n            srcValue = data[1];\n\n        if (noCustomizer && data[2]) {\n          if (objValue === undefined && !(key in object)) {\n            return false;\n          }\n        } else {\n          var stack = new Stack;\n          if (customizer) {\n            var result = customizer(objValue, srcValue, key, object, source, stack);\n          }\n          if (!(result === undefined\n                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n                : result\n              )) {\n            return false;\n          }\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.isNative` without bad shim checks.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     */\n    function baseIsNative(value) {\n      if (!isObject(value) || isMasked(value)) {\n        return false;\n      }\n      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n      return pattern.test(toSource(value));\n    }\n\n    /**\n     * The base implementation of `_.isRegExp` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     */\n    function baseIsRegExp(value) {\n      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n    }\n\n    /**\n     * The base implementation of `_.isSet` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     */\n    function baseIsSet(value) {\n      return isObjectLike(value) && getTag(value) == setTag;\n    }\n\n    /**\n     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     */\n    function baseIsTypedArray(value) {\n      return isObjectLike(value) &&\n        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n    }\n\n    /**\n     * The base implementation of `_.iteratee`.\n     *\n     * @private\n     * @param {*} [value=_.identity] The value to convert to an iteratee.\n     * @returns {Function} Returns the iteratee.\n     */\n    function baseIteratee(value) {\n      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n      if (typeof value == 'function') {\n        return value;\n      }\n      if (value == null) {\n        return identity;\n      }\n      if (typeof value == 'object') {\n        return isArray(value)\n          ? baseMatchesProperty(value[0], value[1])\n          : baseMatches(value);\n      }\n      return property(value);\n    }\n\n    /**\n     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeys(object) {\n      if (!isPrototype(object)) {\n        return nativeKeys(object);\n      }\n      var result = [];\n      for (var key in Object(object)) {\n        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeysIn(object) {\n      if (!isObject(object)) {\n        return nativeKeysIn(object);\n      }\n      var isProto = isPrototype(object),\n          result = [];\n\n      for (var key in object) {\n        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.lt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     */\n    function baseLt(value, other) {\n      return value < other;\n    }\n\n    /**\n     * The base implementation of `_.map` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     */\n    function baseMap(collection, iteratee) {\n      var index = -1,\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value, key, collection) {\n        result[++index] = iteratee(value, key, collection);\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.matches` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatches(source) {\n      var matchData = getMatchData(source);\n      if (matchData.length == 1 && matchData[0][2]) {\n        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n      }\n      return function(object) {\n        return object === source || baseIsMatch(object, source, matchData);\n      };\n    }\n\n    /**\n     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n     *\n     * @private\n     * @param {string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatchesProperty(path, srcValue) {\n      if (isKey(path) && isStrictComparable(srcValue)) {\n        return matchesStrictComparable(toKey(path), srcValue);\n      }\n      return function(object) {\n        var objValue = get(object, path);\n        return (objValue === undefined && objValue === srcValue)\n          ? hasIn(object, path)\n          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n      };\n    }\n\n    /**\n     * The base implementation of `_.merge` without support for multiple sources.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} [customizer] The function to customize merged values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMerge(object, source, srcIndex, customizer, stack) {\n      if (object === source) {\n        return;\n      }\n      baseFor(source, function(srcValue, key) {\n        if (isObject(srcValue)) {\n          stack || (stack = new Stack);\n          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n        }\n        else {\n          var newValue = customizer\n            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n            : undefined;\n\n          if (newValue === undefined) {\n            newValue = srcValue;\n          }\n          assignMergeValue(object, key, newValue);\n        }\n      }, keysIn);\n    }\n\n    /**\n     * A specialized version of `baseMerge` for arrays and objects which performs\n     * deep merges and tracks traversed objects enabling objects with circular\n     * references to be merged.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {string} key The key of the value to merge.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} mergeFunc The function to merge values.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n      var objValue = object[key],\n          srcValue = source[key],\n          stacked = stack.get(srcValue);\n\n      if (stacked) {\n        assignMergeValue(object, key, stacked);\n        return;\n      }\n      var newValue = customizer\n        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n        : undefined;\n\n      var isCommon = newValue === undefined;\n\n      if (isCommon) {\n        var isArr = isArray(srcValue),\n            isBuff = !isArr && isBuffer(srcValue),\n            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n        newValue = srcValue;\n        if (isArr || isBuff || isTyped) {\n          if (isArray(objValue)) {\n            newValue = objValue;\n          }\n          else if (isArrayLikeObject(objValue)) {\n            newValue = copyArray(objValue);\n          }\n          else if (isBuff) {\n            isCommon = false;\n            newValue = cloneBuffer(srcValue, true);\n          }\n          else if (isTyped) {\n            isCommon = false;\n            newValue = cloneTypedArray(srcValue, true);\n          }\n          else {\n            newValue = [];\n          }\n        }\n        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n          newValue = objValue;\n          if (isArguments(objValue)) {\n            newValue = toPlainObject(objValue);\n          }\n          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n            newValue = initCloneObject(srcValue);\n          }\n        }\n        else {\n          isCommon = false;\n        }\n      }\n      if (isCommon) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, newValue);\n        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n        stack['delete'](srcValue);\n      }\n      assignMergeValue(object, key, newValue);\n    }\n\n    /**\n     * The base implementation of `_.nth` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {number} n The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     */\n    function baseNth(array, n) {\n      var length = array.length;\n      if (!length) {\n        return;\n      }\n      n += n < 0 ? length : 0;\n      return isIndex(n, length) ? array[n] : undefined;\n    }\n\n    /**\n     * The base implementation of `_.orderBy` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n     * @param {string[]} orders The sort orders of `iteratees`.\n     * @returns {Array} Returns the new sorted array.\n     */\n    function baseOrderBy(collection, iteratees, orders) {\n      var index = -1;\n      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\n      var result = baseMap(collection, function(value, key, collection) {\n        var criteria = arrayMap(iteratees, function(iteratee) {\n          return iteratee(value);\n        });\n        return { 'criteria': criteria, 'index': ++index, 'value': value };\n      });\n\n      return baseSortBy(result, function(object, other) {\n        return compareMultiple(object, other, orders);\n      });\n    }\n\n    /**\n     * The base implementation of `_.pick` without support for individual\n     * property identifiers.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Object} Returns the new object.\n     */\n    function basePick(object, paths) {\n      return basePickBy(object, paths, function(value, path) {\n        return hasIn(object, path);\n      });\n    }\n\n    /**\n     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @param {Function} predicate The function invoked per property.\n     * @returns {Object} Returns the new object.\n     */\n    function basePickBy(object, paths, predicate) {\n      var index = -1,\n          length = paths.length,\n          result = {};\n\n      while (++index < length) {\n        var path = paths[index],\n            value = baseGet(object, path);\n\n        if (predicate(value, path)) {\n          baseSet(result, castPath(path, object), value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseProperty` which supports deep paths.\n     *\n     * @private\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     */\n    function basePropertyDeep(path) {\n      return function(object) {\n        return baseGet(object, path);\n      };\n    }\n\n    /**\n     * The base implementation of `_.pullAllBy` without support for iteratee\n     * shorthands.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAll(array, values, iteratee, comparator) {\n      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n          index = -1,\n          length = values.length,\n          seen = array;\n\n      if (array === values) {\n        values = copyArray(values);\n      }\n      if (iteratee) {\n        seen = arrayMap(array, baseUnary(iteratee));\n      }\n      while (++index < length) {\n        var fromIndex = 0,\n            value = values[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n          if (seen !== array) {\n            splice.call(seen, fromIndex, 1);\n          }\n          splice.call(array, fromIndex, 1);\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.pullAt` without support for individual\n     * indexes or capturing the removed elements.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {number[]} indexes The indexes of elements to remove.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAt(array, indexes) {\n      var length = array ? indexes.length : 0,\n          lastIndex = length - 1;\n\n      while (length--) {\n        var index = indexes[length];\n        if (length == lastIndex || index !== previous) {\n          var previous = index;\n          if (isIndex(index)) {\n            splice.call(array, index, 1);\n          } else {\n            baseUnset(array, index);\n          }\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.random` without support for returning\n     * floating-point numbers.\n     *\n     * @private\n     * @param {number} lower The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the random number.\n     */\n    function baseRandom(lower, upper) {\n      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n    }\n\n    /**\n     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n     * coerce arguments.\n     *\n     * @private\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} step The value to increment or decrement by.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the range of numbers.\n     */\n    function baseRange(start, end, step, fromRight) {\n      var index = -1,\n          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n          result = Array(length);\n\n      while (length--) {\n        result[fromRight ? length : ++index] = start;\n        start += step;\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.repeat` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {string} string The string to repeat.\n     * @param {number} n The number of times to repeat the string.\n     * @returns {string} Returns the repeated string.\n     */\n    function baseRepeat(string, n) {\n      var result = '';\n      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n        return result;\n      }\n      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n      do {\n        if (n % 2) {\n          result += string;\n        }\n        n = nativeFloor(n / 2);\n        if (n) {\n          string += string;\n        }\n      } while (n);\n\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     */\n    function baseRest(func, start) {\n      return setToString(overRest(func, start, identity), func + '');\n    }\n\n    /**\n     * The base implementation of `_.sample`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     */\n    function baseSample(collection) {\n      return arraySample(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.sampleSize` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function baseSampleSize(collection, n) {\n      var array = values(collection);\n      return shuffleSelf(array, baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * The base implementation of `_.set`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseSet(object, path, value, customizer) {\n      if (!isObject(object)) {\n        return object;\n      }\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          lastIndex = length - 1,\n          nested = object;\n\n      while (nested != null && ++index < length) {\n        var key = toKey(path[index]),\n            newValue = value;\n\n        if (index != lastIndex) {\n          var objValue = nested[key];\n          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n          if (newValue === undefined) {\n            newValue = isObject(objValue)\n              ? objValue\n              : (isIndex(path[index + 1]) ? [] : {});\n          }\n        }\n        assignValue(nested, key, newValue);\n        nested = nested[key];\n      }\n      return object;\n    }\n\n    /**\n     * The base implementation of `setData` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetData = !metaMap ? identity : function(func, data) {\n      metaMap.set(func, data);\n      return func;\n    };\n\n    /**\n     * The base implementation of `setToString` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetToString = !defineProperty ? identity : function(func, string) {\n      return defineProperty(func, 'toString', {\n        'configurable': true,\n        'enumerable': false,\n        'value': constant(string),\n        'writable': true\n      });\n    };\n\n    /**\n     * The base implementation of `_.shuffle`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function baseShuffle(collection) {\n      return shuffleSelf(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.slice` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseSlice(array, start, end) {\n      var index = -1,\n          length = array.length;\n\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = end > length ? length : end;\n      if (end < 0) {\n        end += length;\n      }\n      length = start > end ? 0 : ((end - start) >>> 0);\n      start >>>= 0;\n\n      var result = Array(length);\n      while (++index < length) {\n        result[index] = array[index + start];\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.some` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     */\n    function baseSome(collection, predicate) {\n      var result;\n\n      baseEach(collection, function(value, index, collection) {\n        result = predicate(value, index, collection);\n        return !result;\n      });\n      return !!result;\n    }\n\n    /**\n     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n     * performs a binary search of `array` to determine the index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndex(array, value, retHighest) {\n      var low = 0,\n          high = array == null ? low : array.length;\n\n      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n        while (low < high) {\n          var mid = (low + high) >>> 1,\n              computed = array[mid];\n\n          if (computed !== null && !isSymbol(computed) &&\n              (retHighest ? (computed <= value) : (computed < value))) {\n            low = mid + 1;\n          } else {\n            high = mid;\n          }\n        }\n        return high;\n      }\n      return baseSortedIndexBy(array, value, identity, retHighest);\n    }\n\n    /**\n     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n     * which invokes `iteratee` for `value` and each element of `array` to compute\n     * their sort ranking. The iteratee is invoked with one argument; (value).\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} iteratee The iteratee invoked per element.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n      value = iteratee(value);\n\n      var low = 0,\n          high = array == null ? 0 : array.length,\n          valIsNaN = value !== value,\n          valIsNull = value === null,\n          valIsSymbol = isSymbol(value),\n          valIsUndefined = value === undefined;\n\n      while (low < high) {\n        var mid = nativeFloor((low + high) / 2),\n            computed = iteratee(array[mid]),\n            othIsDefined = computed !== undefined,\n            othIsNull = computed === null,\n            othIsReflexive = computed === computed,\n            othIsSymbol = isSymbol(computed);\n\n        if (valIsNaN) {\n          var setLow = retHighest || othIsReflexive;\n        } else if (valIsUndefined) {\n          setLow = othIsReflexive && (retHighest || othIsDefined);\n        } else if (valIsNull) {\n          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n        } else if (valIsSymbol) {\n          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n        } else if (othIsNull || othIsSymbol) {\n          setLow = false;\n        } else {\n          setLow = retHighest ? (computed <= value) : (computed < value);\n        }\n        if (setLow) {\n          low = mid + 1;\n        } else {\n          high = mid;\n        }\n      }\n      return nativeMin(high, MAX_ARRAY_INDEX);\n    }\n\n    /**\n     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n     * support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseSortedUniq(array, iteratee) {\n      var index = -1,\n          length = array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        if (!index || !eq(computed, seen)) {\n          var seen = computed;\n          result[resIndex++] = value === 0 ? 0 : value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.toNumber` which doesn't ensure correct\n     * conversions of binary, hexadecimal, or octal string values.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     */\n    function baseToNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      return +value;\n    }\n\n    /**\n     * The base implementation of `_.toString` which doesn't convert nullish\n     * values to empty strings.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {string} Returns the string.\n     */\n    function baseToString(value) {\n      // Exit early for strings to avoid a performance hit in some environments.\n      if (typeof value == 'string') {\n        return value;\n      }\n      if (isArray(value)) {\n        // Recursively convert values (susceptible to call stack limits).\n        return arrayMap(value, baseToString) + '';\n      }\n      if (isSymbol(value)) {\n        return symbolToString ? symbolToString.call(value) : '';\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseUniq(array, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          length = array.length,\n          isCommon = true,\n          result = [],\n          seen = result;\n\n      if (comparator) {\n        isCommon = false;\n        includes = arrayIncludesWith;\n      }\n      else if (length >= LARGE_ARRAY_SIZE) {\n        var set = iteratee ? null : createSet(array);\n        if (set) {\n          return setToArray(set);\n        }\n        isCommon = false;\n        includes = cacheHas;\n        seen = new SetCache;\n      }\n      else {\n        seen = iteratee ? [] : result;\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var seenIndex = seen.length;\n          while (seenIndex--) {\n            if (seen[seenIndex] === computed) {\n              continue outer;\n            }\n          }\n          if (iteratee) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n        else if (!includes(seen, computed, comparator)) {\n          if (seen !== result) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.unset`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The property path to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     */\n    function baseUnset(object, path) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      return object == null || delete object[toKey(last(path))];\n    }\n\n    /**\n     * The base implementation of `_.update`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to update.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseUpdate(object, path, updater, customizer) {\n      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n    }\n\n    /**\n     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n     * without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {Function} predicate The function invoked per iteration.\n     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseWhile(array, predicate, isDrop, fromRight) {\n      var length = array.length,\n          index = fromRight ? length : -1;\n\n      while ((fromRight ? index-- : ++index < length) &&\n        predicate(array[index], index, array)) {}\n\n      return isDrop\n        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n    }\n\n    /**\n     * The base implementation of `wrapperValue` which returns the result of\n     * performing a sequence of actions on the unwrapped `value`, where each\n     * successive action is supplied the return value of the previous.\n     *\n     * @private\n     * @param {*} value The unwrapped value.\n     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseWrapperValue(value, actions) {\n      var result = value;\n      if (result instanceof LazyWrapper) {\n        result = result.value();\n      }\n      return arrayReduce(actions, function(result, action) {\n        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n      }, result);\n    }\n\n    /**\n     * The base implementation of methods like `_.xor`, without support for\n     * iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of values.\n     */\n    function baseXor(arrays, iteratee, comparator) {\n      var length = arrays.length;\n      if (length < 2) {\n        return length ? baseUniq(arrays[0]) : [];\n      }\n      var index = -1,\n          result = Array(length);\n\n      while (++index < length) {\n        var array = arrays[index],\n            othIndex = -1;\n\n        while (++othIndex < length) {\n          if (othIndex != index) {\n            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n          }\n        }\n      }\n      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n    }\n\n    /**\n     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n     *\n     * @private\n     * @param {Array} props The property identifiers.\n     * @param {Array} values The property values.\n     * @param {Function} assignFunc The function to assign values.\n     * @returns {Object} Returns the new object.\n     */\n    function baseZipObject(props, values, assignFunc) {\n      var index = -1,\n          length = props.length,\n          valsLength = values.length,\n          result = {};\n\n      while (++index < length) {\n        var value = index < valsLength ? values[index] : undefined;\n        assignFunc(result, props[index], value);\n      }\n      return result;\n    }\n\n    /**\n     * Casts `value` to an empty array if it's not an array like object.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Array|Object} Returns the cast array-like object.\n     */\n    function castArrayLikeObject(value) {\n      return isArrayLikeObject(value) ? value : [];\n    }\n\n    /**\n     * Casts `value` to `identity` if it's not a function.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Function} Returns cast function.\n     */\n    function castFunction(value) {\n      return typeof value == 'function' ? value : identity;\n    }\n\n    /**\n     * Casts `value` to a path array if it's not one.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {Array} Returns the cast property path array.\n     */\n    function castPath(value, object) {\n      if (isArray(value)) {\n        return value;\n      }\n      return isKey(value, object) ? [value] : stringToPath(toString(value));\n    }\n\n    /**\n     * A `baseRest` alias which can be replaced with `identity` by module\n     * replacement plugins.\n     *\n     * @private\n     * @type {Function}\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    var castRest = baseRest;\n\n    /**\n     * Casts `array` to a slice if it's needed.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {number} start The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the cast slice.\n     */\n    function castSlice(array, start, end) {\n      var length = array.length;\n      end = end === undefined ? length : end;\n      return (!start && end >= length) ? array : baseSlice(array, start, end);\n    }\n\n    /**\n     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n     *\n     * @private\n     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n     */\n    var clearTimeout = ctxClearTimeout || function(id) {\n      return root.clearTimeout(id);\n    };\n\n    /**\n     * Creates a clone of  `buffer`.\n     *\n     * @private\n     * @param {Buffer} buffer The buffer to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Buffer} Returns the cloned buffer.\n     */\n    function cloneBuffer(buffer, isDeep) {\n      if (isDeep) {\n        return buffer.slice();\n      }\n      var length = buffer.length,\n          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n      buffer.copy(result);\n      return result;\n    }\n\n    /**\n     * Creates a clone of `arrayBuffer`.\n     *\n     * @private\n     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n     * @returns {ArrayBuffer} Returns the cloned array buffer.\n     */\n    function cloneArrayBuffer(arrayBuffer) {\n      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n      return result;\n    }\n\n    /**\n     * Creates a clone of `dataView`.\n     *\n     * @private\n     * @param {Object} dataView The data view to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned data view.\n     */\n    function cloneDataView(dataView, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n    }\n\n    /**\n     * Creates a clone of `map`.\n     *\n     * @private\n     * @param {Object} map The map to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned map.\n     */\n    function cloneMap(map, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n      return arrayReduce(array, addMapEntry, new map.constructor);\n    }\n\n    /**\n     * Creates a clone of `regexp`.\n     *\n     * @private\n     * @param {Object} regexp The regexp to clone.\n     * @returns {Object} Returns the cloned regexp.\n     */\n    function cloneRegExp(regexp) {\n      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n      result.lastIndex = regexp.lastIndex;\n      return result;\n    }\n\n    /**\n     * Creates a clone of `set`.\n     *\n     * @private\n     * @param {Object} set The set to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned set.\n     */\n    function cloneSet(set, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n      return arrayReduce(array, addSetEntry, new set.constructor);\n    }\n\n    /**\n     * Creates a clone of the `symbol` object.\n     *\n     * @private\n     * @param {Object} symbol The symbol object to clone.\n     * @returns {Object} Returns the cloned symbol object.\n     */\n    function cloneSymbol(symbol) {\n      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n    }\n\n    /**\n     * Creates a clone of `typedArray`.\n     *\n     * @private\n     * @param {Object} typedArray The typed array to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned typed array.\n     */\n    function cloneTypedArray(typedArray, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n    }\n\n    /**\n     * Compares values to sort them in ascending order.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {number} Returns the sort order indicator for `value`.\n     */\n    function compareAscending(value, other) {\n      if (value !== other) {\n        var valIsDefined = value !== undefined,\n            valIsNull = value === null,\n            valIsReflexive = value === value,\n            valIsSymbol = isSymbol(value);\n\n        var othIsDefined = other !== undefined,\n            othIsNull = other === null,\n            othIsReflexive = other === other,\n            othIsSymbol = isSymbol(other);\n\n        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n            (valIsNull && othIsDefined && othIsReflexive) ||\n            (!valIsDefined && othIsReflexive) ||\n            !valIsReflexive) {\n          return 1;\n        }\n        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n            (othIsNull && valIsDefined && valIsReflexive) ||\n            (!othIsDefined && valIsReflexive) ||\n            !othIsReflexive) {\n          return -1;\n        }\n      }\n      return 0;\n    }\n\n    /**\n     * Used by `_.orderBy` to compare multiple properties of a value to another\n     * and stable sort them.\n     *\n     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n     * of corresponding values.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {boolean[]|string[]} orders The order to sort by for each property.\n     * @returns {number} Returns the sort order indicator for `object`.\n     */\n    function compareMultiple(object, other, orders) {\n      var index = -1,\n          objCriteria = object.criteria,\n          othCriteria = other.criteria,\n          length = objCriteria.length,\n          ordersLength = orders.length;\n\n      while (++index < length) {\n        var result = compareAscending(objCriteria[index], othCriteria[index]);\n        if (result) {\n          if (index >= ordersLength) {\n            return result;\n          }\n          var order = orders[index];\n          return result * (order == 'desc' ? -1 : 1);\n        }\n      }\n      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n      // that causes it, under certain circumstances, to provide the same value for\n      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n      // for more details.\n      //\n      // This also ensures a stable sort in V8 and other engines.\n      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n      return object.index - other.index;\n    }\n\n    /**\n     * Creates an array that is the composition of partially applied arguments,\n     * placeholders, and provided arguments into a single array of arguments.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to prepend to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgs(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersLength = holders.length,\n          leftIndex = -1,\n          leftLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(leftLength + rangeLength),\n          isUncurried = !isCurried;\n\n      while (++leftIndex < leftLength) {\n        result[leftIndex] = partials[leftIndex];\n      }\n      while (++argsIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[holders[argsIndex]] = args[argsIndex];\n        }\n      }\n      while (rangeLength--) {\n        result[leftIndex++] = args[argsIndex++];\n      }\n      return result;\n    }\n\n    /**\n     * This function is like `composeArgs` except that the arguments composition\n     * is tailored for `_.partialRight`.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to append to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgsRight(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersIndex = -1,\n          holdersLength = holders.length,\n          rightIndex = -1,\n          rightLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(rangeLength + rightLength),\n          isUncurried = !isCurried;\n\n      while (++argsIndex < rangeLength) {\n        result[argsIndex] = args[argsIndex];\n      }\n      var offset = argsIndex;\n      while (++rightIndex < rightLength) {\n        result[offset + rightIndex] = partials[rightIndex];\n      }\n      while (++holdersIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[offset + holders[holdersIndex]] = args[argsIndex++];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Copies the values of `source` to `array`.\n     *\n     * @private\n     * @param {Array} source The array to copy values from.\n     * @param {Array} [array=[]] The array to copy values to.\n     * @returns {Array} Returns `array`.\n     */\n    function copyArray(source, array) {\n      var index = -1,\n          length = source.length;\n\n      array || (array = Array(length));\n      while (++index < length) {\n        array[index] = source[index];\n      }\n      return array;\n    }\n\n    /**\n     * Copies properties of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy properties from.\n     * @param {Array} props The property identifiers to copy.\n     * @param {Object} [object={}] The object to copy properties to.\n     * @param {Function} [customizer] The function to customize copied values.\n     * @returns {Object} Returns `object`.\n     */\n    function copyObject(source, props, object, customizer) {\n      var isNew = !object;\n      object || (object = {});\n\n      var index = -1,\n          length = props.length;\n\n      while (++index < length) {\n        var key = props[index];\n\n        var newValue = customizer\n          ? customizer(object[key], source[key], key, object, source)\n          : undefined;\n\n        if (newValue === undefined) {\n          newValue = source[key];\n        }\n        if (isNew) {\n          baseAssignValue(object, key, newValue);\n        } else {\n          assignValue(object, key, newValue);\n        }\n      }\n      return object;\n    }\n\n    /**\n     * Copies own symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbols(source, object) {\n      return copyObject(source, getSymbols(source), object);\n    }\n\n    /**\n     * Copies own and inherited symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbolsIn(source, object) {\n      return copyObject(source, getSymbolsIn(source), object);\n    }\n\n    /**\n     * Creates a function like `_.groupBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} [initializer] The accumulator object initializer.\n     * @returns {Function} Returns the new aggregator function.\n     */\n    function createAggregator(setter, initializer) {\n      return function(collection, iteratee) {\n        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n            accumulator = initializer ? initializer() : {};\n\n        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n      };\n    }\n\n    /**\n     * Creates a function like `_.assign`.\n     *\n     * @private\n     * @param {Function} assigner The function to assign values.\n     * @returns {Function} Returns the new assigner function.\n     */\n    function createAssigner(assigner) {\n      return baseRest(function(object, sources) {\n        var index = -1,\n            length = sources.length,\n            customizer = length > 1 ? sources[length - 1] : undefined,\n            guard = length > 2 ? sources[2] : undefined;\n\n        customizer = (assigner.length > 3 && typeof customizer == 'function')\n          ? (length--, customizer)\n          : undefined;\n\n        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n          customizer = length < 3 ? undefined : customizer;\n          length = 1;\n        }\n        object = Object(object);\n        while (++index < length) {\n          var source = sources[index];\n          if (source) {\n            assigner(object, source, index, customizer);\n          }\n        }\n        return object;\n      });\n    }\n\n    /**\n     * Creates a `baseEach` or `baseEachRight` function.\n     *\n     * @private\n     * @param {Function} eachFunc The function to iterate over a collection.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseEach(eachFunc, fromRight) {\n      return function(collection, iteratee) {\n        if (collection == null) {\n          return collection;\n        }\n        if (!isArrayLike(collection)) {\n          return eachFunc(collection, iteratee);\n        }\n        var length = collection.length,\n            index = fromRight ? length : -1,\n            iterable = Object(collection);\n\n        while ((fromRight ? index-- : ++index < length)) {\n          if (iteratee(iterable[index], index, iterable) === false) {\n            break;\n          }\n        }\n        return collection;\n      };\n    }\n\n    /**\n     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseFor(fromRight) {\n      return function(object, iteratee, keysFunc) {\n        var index = -1,\n            iterable = Object(object),\n            props = keysFunc(object),\n            length = props.length;\n\n        while (length--) {\n          var key = props[fromRight ? length : ++index];\n          if (iteratee(iterable[key], key, iterable) === false) {\n            break;\n          }\n        }\n        return object;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the optional `this`\n     * binding of `thisArg`.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createBind(func, bitmask, thisArg) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return fn.apply(isBind ? thisArg : this, arguments);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.lowerFirst`.\n     *\n     * @private\n     * @param {string} methodName The name of the `String` case method to use.\n     * @returns {Function} Returns the new case function.\n     */\n    function createCaseFirst(methodName) {\n      return function(string) {\n        string = toString(string);\n\n        var strSymbols = hasUnicode(string)\n          ? stringToArray(string)\n          : undefined;\n\n        var chr = strSymbols\n          ? strSymbols[0]\n          : string.charAt(0);\n\n        var trailing = strSymbols\n          ? castSlice(strSymbols, 1).join('')\n          : string.slice(1);\n\n        return chr[methodName]() + trailing;\n      };\n    }\n\n    /**\n     * Creates a function like `_.camelCase`.\n     *\n     * @private\n     * @param {Function} callback The function to combine each word.\n     * @returns {Function} Returns the new compounder function.\n     */\n    function createCompounder(callback) {\n      return function(string) {\n        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n      };\n    }\n\n    /**\n     * Creates a function that produces an instance of `Ctor` regardless of\n     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n     *\n     * @private\n     * @param {Function} Ctor The constructor to wrap.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCtor(Ctor) {\n      return function() {\n        // Use a `switch` statement to work with class constructors. See\n        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n        // for more details.\n        var args = arguments;\n        switch (args.length) {\n          case 0: return new Ctor;\n          case 1: return new Ctor(args[0]);\n          case 2: return new Ctor(args[0], args[1]);\n          case 3: return new Ctor(args[0], args[1], args[2]);\n          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n        }\n        var thisBinding = baseCreate(Ctor.prototype),\n            result = Ctor.apply(thisBinding, args);\n\n        // Mimic the constructor's `return` behavior.\n        // See https://es5.github.io/#x13.2.2 for more details.\n        return isObject(result) ? result : thisBinding;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to enable currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {number} arity The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCurry(func, bitmask, arity) {\n      var Ctor = createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length,\n            placeholder = getHolder(wrapper);\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n          ? []\n          : replaceHolders(args, placeholder);\n\n        length -= holders.length;\n        if (length < arity) {\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n            args, holders, undefined, undefined, arity - length);\n        }\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return apply(fn, this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.find` or `_.findLast` function.\n     *\n     * @private\n     * @param {Function} findIndexFunc The function to find the collection index.\n     * @returns {Function} Returns the new find function.\n     */\n    function createFind(findIndexFunc) {\n      return function(collection, predicate, fromIndex) {\n        var iterable = Object(collection);\n        if (!isArrayLike(collection)) {\n          var iteratee = getIteratee(predicate, 3);\n          collection = keys(collection);\n          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n        }\n        var index = findIndexFunc(collection, predicate, fromIndex);\n        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n      };\n    }\n\n    /**\n     * Creates a `_.flow` or `_.flowRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new flow function.\n     */\n    function createFlow(fromRight) {\n      return flatRest(function(funcs) {\n        var length = funcs.length,\n            index = length,\n            prereq = LodashWrapper.prototype.thru;\n\n        if (fromRight) {\n          funcs.reverse();\n        }\n        while (index--) {\n          var func = funcs[index];\n          if (typeof func != 'function') {\n            throw new TypeError(FUNC_ERROR_TEXT);\n          }\n          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n            var wrapper = new LodashWrapper([], true);\n          }\n        }\n        index = wrapper ? index : length;\n        while (++index < length) {\n          func = funcs[index];\n\n          var funcName = getFuncName(func),\n              data = funcName == 'wrapper' ? getData(func) : undefined;\n\n          if (data && isLaziable(data[0]) &&\n                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n                !data[4].length && data[9] == 1\n              ) {\n            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n          } else {\n            wrapper = (func.length == 1 && isLaziable(func))\n              ? wrapper[funcName]()\n              : wrapper.thru(func);\n          }\n        }\n        return function() {\n          var args = arguments,\n              value = args[0];\n\n          if (wrapper && args.length == 1 && isArray(value)) {\n            return wrapper.plant(value).value();\n          }\n          var index = 0,\n              result = length ? funcs[index].apply(this, args) : value;\n\n          while (++index < length) {\n            result = funcs[index].call(this, result);\n          }\n          return result;\n        };\n      });\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with optional `this`\n     * binding of `thisArg`, partial application, and currying.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [partialsRight] The arguments to append to those provided\n     *  to the new function.\n     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n      var isAry = bitmask & WRAP_ARY_FLAG,\n          isBind = bitmask & WRAP_BIND_FLAG,\n          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n          isFlip = bitmask & WRAP_FLIP_FLAG,\n          Ctor = isBindKey ? undefined : createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length;\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        if (isCurried) {\n          var placeholder = getHolder(wrapper),\n              holdersCount = countHolders(args, placeholder);\n        }\n        if (partials) {\n          args = composeArgs(args, partials, holders, isCurried);\n        }\n        if (partialsRight) {\n          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n        }\n        length -= holdersCount;\n        if (isCurried && length < arity) {\n          var newHolders = replaceHolders(args, placeholder);\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n            args, newHolders, argPos, ary, arity - length\n          );\n        }\n        var thisBinding = isBind ? thisArg : this,\n            fn = isBindKey ? thisBinding[func] : func;\n\n        length = args.length;\n        if (argPos) {\n          args = reorder(args, argPos);\n        } else if (isFlip && length > 1) {\n          args.reverse();\n        }\n        if (isAry && ary < length) {\n          args.length = ary;\n        }\n        if (this && this !== root && this instanceof wrapper) {\n          fn = Ctor || createCtor(fn);\n        }\n        return fn.apply(thisBinding, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.invertBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} toIteratee The function to resolve iteratees.\n     * @returns {Function} Returns the new inverter function.\n     */\n    function createInverter(setter, toIteratee) {\n      return function(object, iteratee) {\n        return baseInverter(object, setter, toIteratee(iteratee), {});\n      };\n    }\n\n    /**\n     * Creates a function that performs a mathematical operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @param {number} [defaultValue] The value used for `undefined` arguments.\n     * @returns {Function} Returns the new mathematical operation function.\n     */\n    function createMathOperation(operator, defaultValue) {\n      return function(value, other) {\n        var result;\n        if (value === undefined && other === undefined) {\n          return defaultValue;\n        }\n        if (value !== undefined) {\n          result = value;\n        }\n        if (other !== undefined) {\n          if (result === undefined) {\n            return other;\n          }\n          if (typeof value == 'string' || typeof other == 'string') {\n            value = baseToString(value);\n            other = baseToString(other);\n          } else {\n            value = baseToNumber(value);\n            other = baseToNumber(other);\n          }\n          result = operator(value, other);\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function like `_.over`.\n     *\n     * @private\n     * @param {Function} arrayFunc The function to iterate over iteratees.\n     * @returns {Function} Returns the new over function.\n     */\n    function createOver(arrayFunc) {\n      return flatRest(function(iteratees) {\n        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n        return baseRest(function(args) {\n          var thisArg = this;\n          return arrayFunc(iteratees, function(iteratee) {\n            return apply(iteratee, thisArg, args);\n          });\n        });\n      });\n    }\n\n    /**\n     * Creates the padding for `string` based on `length`. The `chars` string\n     * is truncated if the number of characters exceeds `length`.\n     *\n     * @private\n     * @param {number} length The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padding for `string`.\n     */\n    function createPadding(length, chars) {\n      chars = chars === undefined ? ' ' : baseToString(chars);\n\n      var charsLength = chars.length;\n      if (charsLength < 2) {\n        return charsLength ? baseRepeat(chars, length) : chars;\n      }\n      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n      return hasUnicode(chars)\n        ? castSlice(stringToArray(result), 0, length).join('')\n        : result.slice(0, length);\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the `this` binding\n     * of `thisArg` and `partials` prepended to the arguments it receives.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {Array} partials The arguments to prepend to those provided to\n     *  the new function.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createPartial(func, bitmask, thisArg, partials) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var argsIndex = -1,\n            argsLength = arguments.length,\n            leftIndex = -1,\n            leftLength = partials.length,\n            args = Array(leftLength + argsLength),\n            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n        while (++leftIndex < leftLength) {\n          args[leftIndex] = partials[leftIndex];\n        }\n        while (argsLength--) {\n          args[leftIndex++] = arguments[++argsIndex];\n        }\n        return apply(fn, isBind ? thisArg : this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.range` or `_.rangeRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new range function.\n     */\n    function createRange(fromRight) {\n      return function(start, end, step) {\n        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n          end = step = undefined;\n        }\n        // Ensure the sign of `-0` is preserved.\n        start = toFinite(start);\n        if (end === undefined) {\n          end = start;\n          start = 0;\n        } else {\n          end = toFinite(end);\n        }\n        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n        return baseRange(start, end, step, fromRight);\n      };\n    }\n\n    /**\n     * Creates a function that performs a relational operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @returns {Function} Returns the new relational operation function.\n     */\n    function createRelationalOperation(operator) {\n      return function(value, other) {\n        if (!(typeof value == 'string' && typeof other == 'string')) {\n          value = toNumber(value);\n          other = toNumber(other);\n        }\n        return operator(value, other);\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to continue currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {Function} wrapFunc The function to create the `func` wrapper.\n     * @param {*} placeholder The placeholder value.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n      var isCurry = bitmask & WRAP_CURRY_FLAG,\n          newHolders = isCurry ? holders : undefined,\n          newHoldersRight = isCurry ? undefined : holders,\n          newPartials = isCurry ? partials : undefined,\n          newPartialsRight = isCurry ? undefined : partials;\n\n      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n      }\n      var newData = [\n        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n        newHoldersRight, argPos, ary, arity\n      ];\n\n      var result = wrapFunc.apply(undefined, newData);\n      if (isLaziable(func)) {\n        setData(result, newData);\n      }\n      result.placeholder = placeholder;\n      return setWrapToString(result, func, bitmask);\n    }\n\n    /**\n     * Creates a function like `_.round`.\n     *\n     * @private\n     * @param {string} methodName The name of the `Math` method to use when rounding.\n     * @returns {Function} Returns the new round function.\n     */\n    function createRound(methodName) {\n      var func = Math[methodName];\n      return function(number, precision) {\n        number = toNumber(number);\n        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n        if (precision) {\n          // Shift with exponential notation to avoid floating-point issues.\n          // See [MDN](https://mdn.io/round#Examples) for more details.\n          var pair = (toString(number) + 'e').split('e'),\n              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n          pair = (toString(value) + 'e').split('e');\n          return +(pair[0] + 'e' + (+pair[1] - precision));\n        }\n        return func(number);\n      };\n    }\n\n    /**\n     * Creates a set object of `values`.\n     *\n     * @private\n     * @param {Array} values The values to add to the set.\n     * @returns {Object} Returns the new set.\n     */\n    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n      return new Set(values);\n    };\n\n    /**\n     * Creates a `_.toPairs` or `_.toPairsIn` function.\n     *\n     * @private\n     * @param {Function} keysFunc The function to get the keys of a given object.\n     * @returns {Function} Returns the new pairs function.\n     */\n    function createToPairs(keysFunc) {\n      return function(object) {\n        var tag = getTag(object);\n        if (tag == mapTag) {\n          return mapToArray(object);\n        }\n        if (tag == setTag) {\n          return setToPairs(object);\n        }\n        return baseToPairs(object, keysFunc(object));\n      };\n    }\n\n    /**\n     * Creates a function that either curries or invokes `func` with optional\n     * `this` binding and partially applied arguments.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags.\n     *    1 - `_.bind`\n     *    2 - `_.bindKey`\n     *    4 - `_.curry` or `_.curryRight` of a bound function\n     *    8 - `_.curry`\n     *   16 - `_.curryRight`\n     *   32 - `_.partial`\n     *   64 - `_.partialRight`\n     *  128 - `_.rearg`\n     *  256 - `_.ary`\n     *  512 - `_.flip`\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to be partially applied.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n      if (!isBindKey && typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var length = partials ? partials.length : 0;\n      if (!length) {\n        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n        partials = holders = undefined;\n      }\n      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n      arity = arity === undefined ? arity : toInteger(arity);\n      length -= holders ? holders.length : 0;\n\n      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n        var partialsRight = partials,\n            holdersRight = holders;\n\n        partials = holders = undefined;\n      }\n      var data = isBindKey ? undefined : getData(func);\n\n      var newData = [\n        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n        argPos, ary, arity\n      ];\n\n      if (data) {\n        mergeData(newData, data);\n      }\n      func = newData[0];\n      bitmask = newData[1];\n      thisArg = newData[2];\n      partials = newData[3];\n      holders = newData[4];\n      arity = newData[9] = newData[9] === undefined\n        ? (isBindKey ? 0 : func.length)\n        : nativeMax(newData[9] - length, 0);\n\n      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n      }\n      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n        var result = createBind(func, bitmask, thisArg);\n      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n        result = createCurry(func, bitmask, arity);\n      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n        result = createPartial(func, bitmask, thisArg, partials);\n      } else {\n        result = createHybrid.apply(undefined, newData);\n      }\n      var setter = data ? baseSetData : setData;\n      return setWrapToString(setter(result, newData), func, bitmask);\n    }\n\n    /**\n     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n     * of source objects to the destination object for all destination properties\n     * that resolve to `undefined`.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to assign.\n     * @param {Object} object The parent object of `objValue`.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n      if (objValue === undefined ||\n          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n        return srcValue;\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n     * objects into destination objects that are passed thru.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to merge.\n     * @param {Object} object The parent object of `objValue`.\n     * @param {Object} source The parent object of `srcValue`.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n      if (isObject(objValue) && isObject(srcValue)) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, objValue);\n        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n        stack['delete'](srcValue);\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n     * objects.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {string} key The key of the property to inspect.\n     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n     */\n    function customOmitClone(value) {\n      return isPlainObject(value) ? undefined : value;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for arrays with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Array} array The array to compare.\n     * @param {Array} other The other array to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `array` and `other` objects.\n     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n     */\n    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          arrLength = array.length,\n          othLength = other.length;\n\n      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n        return false;\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(array);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var index = -1,\n          result = true,\n          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n      stack.set(array, other);\n      stack.set(other, array);\n\n      // Ignore non-index properties.\n      while (++index < arrLength) {\n        var arrValue = array[index],\n            othValue = other[index];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, arrValue, index, other, array, stack)\n            : customizer(arrValue, othValue, index, array, other, stack);\n        }\n        if (compared !== undefined) {\n          if (compared) {\n            continue;\n          }\n          result = false;\n          break;\n        }\n        // Recursively compare arrays (susceptible to call stack limits).\n        if (seen) {\n          if (!arraySome(other, function(othValue, othIndex) {\n                if (!cacheHas(seen, othIndex) &&\n                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n                  return seen.push(othIndex);\n                }\n              })) {\n            result = false;\n            break;\n          }\n        } else if (!(\n              arrValue === othValue ||\n                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n            )) {\n          result = false;\n          break;\n        }\n      }\n      stack['delete'](array);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for comparing objects of\n     * the same `toStringTag`.\n     *\n     * **Note:** This function only supports comparing values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {string} tag The `toStringTag` of the objects to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n      switch (tag) {\n        case dataViewTag:\n          if ((object.byteLength != other.byteLength) ||\n              (object.byteOffset != other.byteOffset)) {\n            return false;\n          }\n          object = object.buffer;\n          other = other.buffer;\n\n        case arrayBufferTag:\n          if ((object.byteLength != other.byteLength) ||\n              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n            return false;\n          }\n          return true;\n\n        case boolTag:\n        case dateTag:\n        case numberTag:\n          // Coerce booleans to `1` or `0` and dates to milliseconds.\n          // Invalid dates are coerced to `NaN`.\n          return eq(+object, +other);\n\n        case errorTag:\n          return object.name == other.name && object.message == other.message;\n\n        case regexpTag:\n        case stringTag:\n          // Coerce regexes to strings and treat strings, primitives and objects,\n          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n          // for more details.\n          return object == (other + '');\n\n        case mapTag:\n          var convert = mapToArray;\n\n        case setTag:\n          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n          convert || (convert = setToArray);\n\n          if (object.size != other.size && !isPartial) {\n            return false;\n          }\n          // Assume cyclic values are equal.\n          var stacked = stack.get(object);\n          if (stacked) {\n            return stacked == other;\n          }\n          bitmask |= COMPARE_UNORDERED_FLAG;\n\n          // Recursively compare objects (susceptible to call stack limits).\n          stack.set(object, other);\n          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n          stack['delete'](object);\n          return result;\n\n        case symbolTag:\n          if (symbolValueOf) {\n            return symbolValueOf.call(object) == symbolValueOf.call(other);\n          }\n      }\n      return false;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for objects with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          objProps = getAllKeys(object),\n          objLength = objProps.length,\n          othProps = getAllKeys(other),\n          othLength = othProps.length;\n\n      if (objLength != othLength && !isPartial) {\n        return false;\n      }\n      var index = objLength;\n      while (index--) {\n        var key = objProps[index];\n        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n          return false;\n        }\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(object);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var result = true;\n      stack.set(object, other);\n      stack.set(other, object);\n\n      var skipCtor = isPartial;\n      while (++index < objLength) {\n        key = objProps[index];\n        var objValue = object[key],\n            othValue = other[key];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, objValue, key, other, object, stack)\n            : customizer(objValue, othValue, key, object, other, stack);\n        }\n        // Recursively compare objects (susceptible to call stack limits).\n        if (!(compared === undefined\n              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n              : compared\n            )) {\n          result = false;\n          break;\n        }\n        skipCtor || (skipCtor = key == 'constructor');\n      }\n      if (result && !skipCtor) {\n        var objCtor = object.constructor,\n            othCtor = other.constructor;\n\n        // Non `Object` object instances with different constructors are not equal.\n        if (objCtor != othCtor &&\n            ('constructor' in object && 'constructor' in other) &&\n            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n          result = false;\n        }\n      }\n      stack['delete'](object);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseRest` which flattens the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    function flatRest(func) {\n      return setToString(overRest(func, undefined, flatten), func + '');\n    }\n\n    /**\n     * Creates an array of own enumerable property names and symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeys(object) {\n      return baseGetAllKeys(object, keys, getSymbols);\n    }\n\n    /**\n     * Creates an array of own and inherited enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeysIn(object) {\n      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n    }\n\n    /**\n     * Gets metadata for `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {*} Returns the metadata for `func`.\n     */\n    var getData = !metaMap ? noop : function(func) {\n      return metaMap.get(func);\n    };\n\n    /**\n     * Gets the name of `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {string} Returns the function name.\n     */\n    function getFuncName(func) {\n      var result = (func.name + ''),\n          array = realNames[result],\n          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n      while (length--) {\n        var data = array[length],\n            otherFunc = data.func;\n        if (otherFunc == null || otherFunc == func) {\n          return data.name;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Gets the argument placeholder value for `func`.\n     *\n     * @private\n     * @param {Function} func The function to inspect.\n     * @returns {*} Returns the placeholder value.\n     */\n    function getHolder(func) {\n      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n      return object.placeholder;\n    }\n\n    /**\n     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n     * this function returns the custom method, otherwise it returns `baseIteratee`.\n     * If arguments are provided, the chosen function is invoked with them and\n     * its result is returned.\n     *\n     * @private\n     * @param {*} [value] The value to convert to an iteratee.\n     * @param {number} [arity] The arity of the created iteratee.\n     * @returns {Function} Returns the chosen function or its result.\n     */\n    function getIteratee() {\n      var result = lodash.iteratee || iteratee;\n      result = result === iteratee ? baseIteratee : result;\n      return arguments.length ? result(arguments[0], arguments[1]) : result;\n    }\n\n    /**\n     * Gets the data for `map`.\n     *\n     * @private\n     * @param {Object} map The map to query.\n     * @param {string} key The reference key.\n     * @returns {*} Returns the map data.\n     */\n    function getMapData(map, key) {\n      var data = map.__data__;\n      return isKeyable(key)\n        ? data[typeof key == 'string' ? 'string' : 'hash']\n        : data.map;\n    }\n\n    /**\n     * Gets the property names, values, and compare flags of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the match data of `object`.\n     */\n    function getMatchData(object) {\n      var result = keys(object),\n          length = result.length;\n\n      while (length--) {\n        var key = result[length],\n            value = object[key];\n\n        result[length] = [key, value, isStrictComparable(value)];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the native function at `key` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {string} key The key of the method to get.\n     * @returns {*} Returns the function if it's native, else `undefined`.\n     */\n    function getNative(object, key) {\n      var value = getValue(object, key);\n      return baseIsNative(value) ? value : undefined;\n    }\n\n    /**\n     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the raw `toStringTag`.\n     */\n    function getRawTag(value) {\n      var isOwn = hasOwnProperty.call(value, symToStringTag),\n          tag = value[symToStringTag];\n\n      try {\n        value[symToStringTag] = undefined;\n        var unmasked = true;\n      } catch (e) {}\n\n      var result = nativeObjectToString.call(value);\n      if (unmasked) {\n        if (isOwn) {\n          value[symToStringTag] = tag;\n        } else {\n          delete value[symToStringTag];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array of the own enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n      if (object == null) {\n        return [];\n      }\n      object = Object(object);\n      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n        return propertyIsEnumerable.call(object, symbol);\n      });\n    };\n\n    /**\n     * Creates an array of the own and inherited enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n      var result = [];\n      while (object) {\n        arrayPush(result, getSymbols(object));\n        object = getPrototype(object);\n      }\n      return result;\n    };\n\n    /**\n     * Gets the `toStringTag` of `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    var getTag = baseGetTag;\n\n    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n        (Map && getTag(new Map) != mapTag) ||\n        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n        (Set && getTag(new Set) != setTag) ||\n        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n      getTag = function(value) {\n        var result = baseGetTag(value),\n            Ctor = result == objectTag ? value.constructor : undefined,\n            ctorString = Ctor ? toSource(Ctor) : '';\n\n        if (ctorString) {\n          switch (ctorString) {\n            case dataViewCtorString: return dataViewTag;\n            case mapCtorString: return mapTag;\n            case promiseCtorString: return promiseTag;\n            case setCtorString: return setTag;\n            case weakMapCtorString: return weakMapTag;\n          }\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n     *\n     * @private\n     * @param {number} start The start of the view.\n     * @param {number} end The end of the view.\n     * @param {Array} transforms The transformations to apply to the view.\n     * @returns {Object} Returns an object containing the `start` and `end`\n     *  positions of the view.\n     */\n    function getView(start, end, transforms) {\n      var index = -1,\n          length = transforms.length;\n\n      while (++index < length) {\n        var data = transforms[index],\n            size = data.size;\n\n        switch (data.type) {\n          case 'drop':      start += size; break;\n          case 'dropRight': end -= size; break;\n          case 'take':      end = nativeMin(end, start + size); break;\n          case 'takeRight': start = nativeMax(start, end - size); break;\n        }\n      }\n      return { 'start': start, 'end': end };\n    }\n\n    /**\n     * Extracts wrapper details from the `source` body comment.\n     *\n     * @private\n     * @param {string} source The source to inspect.\n     * @returns {Array} Returns the wrapper details.\n     */\n    function getWrapDetails(source) {\n      var match = source.match(reWrapDetails);\n      return match ? match[1].split(reSplitDetails) : [];\n    }\n\n    /**\n     * Checks if `path` exists on `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @param {Function} hasFunc The function to check properties.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     */\n    function hasPath(object, path, hasFunc) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          result = false;\n\n      while (++index < length) {\n        var key = toKey(path[index]);\n        if (!(result = object != null && hasFunc(object, key))) {\n          break;\n        }\n        object = object[key];\n      }\n      if (result || ++index != length) {\n        return result;\n      }\n      length = object == null ? 0 : object.length;\n      return !!length && isLength(length) && isIndex(key, length) &&\n        (isArray(object) || isArguments(object));\n    }\n\n    /**\n     * Initializes an array clone.\n     *\n     * @private\n     * @param {Array} array The array to clone.\n     * @returns {Array} Returns the initialized clone.\n     */\n    function initCloneArray(array) {\n      var length = array.length,\n          result = array.constructor(length);\n\n      // Add properties assigned by `RegExp#exec`.\n      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n        result.index = array.index;\n        result.input = array.input;\n      }\n      return result;\n    }\n\n    /**\n     * Initializes an object clone.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneObject(object) {\n      return (typeof object.constructor == 'function' && !isPrototype(object))\n        ? baseCreate(getPrototype(object))\n        : {};\n    }\n\n    /**\n     * Initializes an object clone based on its `toStringTag`.\n     *\n     * **Note:** This function only supports cloning values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @param {string} tag The `toStringTag` of the object to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n      var Ctor = object.constructor;\n      switch (tag) {\n        case arrayBufferTag:\n          return cloneArrayBuffer(object);\n\n        case boolTag:\n        case dateTag:\n          return new Ctor(+object);\n\n        case dataViewTag:\n          return cloneDataView(object, isDeep);\n\n        case float32Tag: case float64Tag:\n        case int8Tag: case int16Tag: case int32Tag:\n        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n          return cloneTypedArray(object, isDeep);\n\n        case mapTag:\n          return cloneMap(object, isDeep, cloneFunc);\n\n        case numberTag:\n        case stringTag:\n          return new Ctor(object);\n\n        case regexpTag:\n          return cloneRegExp(object);\n\n        case setTag:\n          return cloneSet(object, isDeep, cloneFunc);\n\n        case symbolTag:\n          return cloneSymbol(object);\n      }\n    }\n\n    /**\n     * Inserts wrapper `details` in a comment at the top of the `source` body.\n     *\n     * @private\n     * @param {string} source The source to modify.\n     * @returns {Array} details The details to insert.\n     * @returns {string} Returns the modified source.\n     */\n    function insertWrapDetails(source, details) {\n      var length = details.length;\n      if (!length) {\n        return source;\n      }\n      var lastIndex = length - 1;\n      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n      details = details.join(length > 2 ? ', ' : ' ');\n      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n    }\n\n    /**\n     * Checks if `value` is a flattenable `arguments` object or array.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n     */\n    function isFlattenable(value) {\n      return isArray(value) || isArguments(value) ||\n        !!(spreadableSymbol && value && value[spreadableSymbol]);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like index.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n     */\n    function isIndex(value, length) {\n      length = length == null ? MAX_SAFE_INTEGER : length;\n      return !!length &&\n        (typeof value == 'number' || reIsUint.test(value)) &&\n        (value > -1 && value % 1 == 0 && value < length);\n    }\n\n    /**\n     * Checks if the given arguments are from an iteratee call.\n     *\n     * @private\n     * @param {*} value The potential iteratee value argument.\n     * @param {*} index The potential iteratee index or key argument.\n     * @param {*} object The potential iteratee object argument.\n     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n     *  else `false`.\n     */\n    function isIterateeCall(value, index, object) {\n      if (!isObject(object)) {\n        return false;\n      }\n      var type = typeof index;\n      if (type == 'number'\n            ? (isArrayLike(object) && isIndex(index, object.length))\n            : (type == 'string' && index in object)\n          ) {\n        return eq(object[index], value);\n      }\n      return false;\n    }\n\n    /**\n     * Checks if `value` is a property name and not a property path.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n     */\n    function isKey(value, object) {\n      if (isArray(value)) {\n        return false;\n      }\n      var type = typeof value;\n      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n          value == null || isSymbol(value)) {\n        return true;\n      }\n      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n        (object != null && value in Object(object));\n    }\n\n    /**\n     * Checks if `value` is suitable for use as unique object key.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n     */\n    function isKeyable(value) {\n      var type = typeof value;\n      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n        ? (value !== '__proto__')\n        : (value === null);\n    }\n\n    /**\n     * Checks if `func` has a lazy counterpart.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n     *  else `false`.\n     */\n    function isLaziable(func) {\n      var funcName = getFuncName(func),\n          other = lodash[funcName];\n\n      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n        return false;\n      }\n      if (func === other) {\n        return true;\n      }\n      var data = getData(other);\n      return !!data && func === data[0];\n    }\n\n    /**\n     * Checks if `func` has its source masked.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n     */\n    function isMasked(func) {\n      return !!maskSrcKey && (maskSrcKey in func);\n    }\n\n    /**\n     * Checks if `func` is capable of being masked.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n     */\n    var isMaskable = coreJsData ? isFunction : stubFalse;\n\n    /**\n     * Checks if `value` is likely a prototype object.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n     */\n    function isPrototype(value) {\n      var Ctor = value && value.constructor,\n          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n      return value === proto;\n    }\n\n    /**\n     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` if suitable for strict\n     *  equality comparisons, else `false`.\n     */\n    function isStrictComparable(value) {\n      return value === value && !isObject(value);\n    }\n\n    /**\n     * A specialized version of `matchesProperty` for source values suitable\n     * for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {string} key The key of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function matchesStrictComparable(key, srcValue) {\n      return function(object) {\n        if (object == null) {\n          return false;\n        }\n        return object[key] === srcValue &&\n          (srcValue !== undefined || (key in Object(object)));\n      };\n    }\n\n    /**\n     * A specialized version of `_.memoize` which clears the memoized function's\n     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n     *\n     * @private\n     * @param {Function} func The function to have its output memoized.\n     * @returns {Function} Returns the new memoized function.\n     */\n    function memoizeCapped(func) {\n      var result = memoize(func, function(key) {\n        if (cache.size === MAX_MEMOIZE_SIZE) {\n          cache.clear();\n        }\n        return key;\n      });\n\n      var cache = result.cache;\n      return result;\n    }\n\n    /**\n     * Merges the function metadata of `source` into `data`.\n     *\n     * Merging metadata reduces the number of wrappers used to invoke a function.\n     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n     * may be applied regardless of execution order. Methods like `_.ary` and\n     * `_.rearg` modify function arguments, making the order in which they are\n     * executed important, preventing the merging of metadata. However, we make\n     * an exception for a safe combined case where curried functions have `_.ary`\n     * and or `_.rearg` applied.\n     *\n     * @private\n     * @param {Array} data The destination metadata.\n     * @param {Array} source The source metadata.\n     * @returns {Array} Returns `data`.\n     */\n    function mergeData(data, source) {\n      var bitmask = data[1],\n          srcBitmask = source[1],\n          newBitmask = bitmask | srcBitmask,\n          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n      var isCombo =\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n      // Exit early if metadata can't be merged.\n      if (!(isCommon || isCombo)) {\n        return data;\n      }\n      // Use source `thisArg` if available.\n      if (srcBitmask & WRAP_BIND_FLAG) {\n        data[2] = source[2];\n        // Set when currying a bound function.\n        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n      }\n      // Compose partial arguments.\n      var value = source[3];\n      if (value) {\n        var partials = data[3];\n        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n      }\n      // Compose partial right arguments.\n      value = source[5];\n      if (value) {\n        partials = data[5];\n        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n      }\n      // Use source `argPos` if available.\n      value = source[7];\n      if (value) {\n        data[7] = value;\n      }\n      // Use source `ary` if it's smaller.\n      if (srcBitmask & WRAP_ARY_FLAG) {\n        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n      }\n      // Use source `arity` if one is not provided.\n      if (data[9] == null) {\n        data[9] = source[9];\n      }\n      // Use source `func` and merge bitmasks.\n      data[0] = source[0];\n      data[1] = newBitmask;\n\n      return data;\n    }\n\n    /**\n     * This function is like\n     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * except that it includes inherited enumerable properties.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function nativeKeysIn(object) {\n      var result = [];\n      if (object != null) {\n        for (var key in Object(object)) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a string using `Object.prototype.toString`.\n     *\n     * @private\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     */\n    function objectToString(value) {\n      return nativeObjectToString.call(value);\n    }\n\n    /**\n     * A specialized version of `baseRest` which transforms the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @param {Function} transform The rest array transform.\n     * @returns {Function} Returns the new function.\n     */\n    function overRest(func, start, transform) {\n      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n      return function() {\n        var args = arguments,\n            index = -1,\n            length = nativeMax(args.length - start, 0),\n            array = Array(length);\n\n        while (++index < length) {\n          array[index] = args[start + index];\n        }\n        index = -1;\n        var otherArgs = Array(start + 1);\n        while (++index < start) {\n          otherArgs[index] = args[index];\n        }\n        otherArgs[start] = transform(array);\n        return apply(func, this, otherArgs);\n      };\n    }\n\n    /**\n     * Gets the parent value at `path` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array} path The path to get the parent value of.\n     * @returns {*} Returns the parent value.\n     */\n    function parent(object, path) {\n      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n    }\n\n    /**\n     * Reorder `array` according to the specified indexes where the element at\n     * the first index is assigned as the first element, the element at\n     * the second index is assigned as the second element, and so on.\n     *\n     * @private\n     * @param {Array} array The array to reorder.\n     * @param {Array} indexes The arranged array indexes.\n     * @returns {Array} Returns `array`.\n     */\n    function reorder(array, indexes) {\n      var arrLength = array.length,\n          length = nativeMin(indexes.length, arrLength),\n          oldArray = copyArray(array);\n\n      while (length--) {\n        var index = indexes[length];\n        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n      }\n      return array;\n    }\n\n    /**\n     * Sets metadata for `func`.\n     *\n     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n     * period of time, it will trip its breaker and transition to an identity\n     * function to avoid garbage collection pauses in V8. See\n     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n     * for more details.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var setData = shortOut(baseSetData);\n\n    /**\n     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    var setTimeout = ctxSetTimeout || function(func, wait) {\n      return root.setTimeout(func, wait);\n    };\n\n    /**\n     * Sets the `toString` method of `func` to return `string`.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var setToString = shortOut(baseSetToString);\n\n    /**\n     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n     * with wrapper details in a comment at the top of the source body.\n     *\n     * @private\n     * @param {Function} wrapper The function to modify.\n     * @param {Function} reference The reference function.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Function} Returns `wrapper`.\n     */\n    function setWrapToString(wrapper, reference, bitmask) {\n      var source = (reference + '');\n      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n    }\n\n    /**\n     * Creates a function that'll short out and invoke `identity` instead\n     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n     * milliseconds.\n     *\n     * @private\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new shortable function.\n     */\n    function shortOut(func) {\n      var count = 0,\n          lastCalled = 0;\n\n      return function() {\n        var stamp = nativeNow(),\n            remaining = HOT_SPAN - (stamp - lastCalled);\n\n        lastCalled = stamp;\n        if (remaining > 0) {\n          if (++count >= HOT_COUNT) {\n            return arguments[0];\n          }\n        } else {\n          count = 0;\n        }\n        return func.apply(undefined, arguments);\n      };\n    }\n\n    /**\n     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @param {number} [size=array.length] The size of `array`.\n     * @returns {Array} Returns `array`.\n     */\n    function shuffleSelf(array, size) {\n      var index = -1,\n          length = array.length,\n          lastIndex = length - 1;\n\n      size = size === undefined ? length : size;\n      while (++index < size) {\n        var rand = baseRandom(index, lastIndex),\n            value = array[rand];\n\n        array[rand] = array[index];\n        array[index] = value;\n      }\n      array.length = size;\n      return array;\n    }\n\n    /**\n     * Converts `string` to a property path array.\n     *\n     * @private\n     * @param {string} string The string to convert.\n     * @returns {Array} Returns the property path array.\n     */\n    var stringToPath = memoizeCapped(function(string) {\n      var result = [];\n      if (reLeadingDot.test(string)) {\n        result.push('');\n      }\n      string.replace(rePropName, function(match, number, quote, string) {\n        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n      });\n      return result;\n    });\n\n    /**\n     * Converts `value` to a string key if it's not a string or symbol.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {string|symbol} Returns the key.\n     */\n    function toKey(value) {\n      if (typeof value == 'string' || isSymbol(value)) {\n        return value;\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * Converts `func` to its source code.\n     *\n     * @private\n     * @param {Function} func The function to convert.\n     * @returns {string} Returns the source code.\n     */\n    function toSource(func) {\n      if (func != null) {\n        try {\n          return funcToString.call(func);\n        } catch (e) {}\n        try {\n          return (func + '');\n        } catch (e) {}\n      }\n      return '';\n    }\n\n    /**\n     * Updates wrapper `details` based on `bitmask` flags.\n     *\n     * @private\n     * @returns {Array} details The details to modify.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Array} Returns `details`.\n     */\n    function updateWrapDetails(details, bitmask) {\n      arrayEach(wrapFlags, function(pair) {\n        var value = '_.' + pair[0];\n        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n          details.push(value);\n        }\n      });\n      return details.sort();\n    }\n\n    /**\n     * Creates a clone of `wrapper`.\n     *\n     * @private\n     * @param {Object} wrapper The wrapper to clone.\n     * @returns {Object} Returns the cloned wrapper.\n     */\n    function wrapperClone(wrapper) {\n      if (wrapper instanceof LazyWrapper) {\n        return wrapper.clone();\n      }\n      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n      result.__actions__ = copyArray(wrapper.__actions__);\n      result.__index__  = wrapper.__index__;\n      result.__values__ = wrapper.__values__;\n      return result;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of elements split into groups the length of `size`.\n     * If `array` can't be split evenly, the final chunk will be the remaining\n     * elements.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to process.\n     * @param {number} [size=1] The length of each chunk\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the new array of chunks.\n     * @example\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 2);\n     * // => [['a', 'b'], ['c', 'd']]\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 3);\n     * // => [['a', 'b', 'c'], ['d']]\n     */\n    function chunk(array, size, guard) {\n      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n        size = 1;\n      } else {\n        size = nativeMax(toInteger(size), 0);\n      }\n      var length = array == null ? 0 : array.length;\n      if (!length || size < 1) {\n        return [];\n      }\n      var index = 0,\n          resIndex = 0,\n          result = Array(nativeCeil(length / size));\n\n      while (index < length) {\n        result[resIndex++] = baseSlice(array, index, (index += size));\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array with all falsey values removed. The values `false`, `null`,\n     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to compact.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.compact([0, 1, false, 2, '', 3]);\n     * // => [1, 2, 3]\n     */\n    function compact(array) {\n      var index = -1,\n          length = array == null ? 0 : array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index];\n        if (value) {\n          result[resIndex++] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates a new array concatenating `array` with any additional arrays\n     * and/or values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to concatenate.\n     * @param {...*} [values] The values to concatenate.\n     * @returns {Array} Returns the new concatenated array.\n     * @example\n     *\n     * var array = [1];\n     * var other = _.concat(array, 2, [3], [[4]]);\n     *\n     * console.log(other);\n     * // => [1, 2, 3, [4]]\n     *\n     * console.log(array);\n     * // => [1]\n     */\n    function concat() {\n      var length = arguments.length;\n      if (!length) {\n        return [];\n      }\n      var args = Array(length - 1),\n          array = arguments[0],\n          index = length;\n\n      while (index--) {\n        args[index - 1] = arguments[index];\n      }\n      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n    }\n\n    /**\n     * Creates an array of `array` values not included in the other given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.without, _.xor\n     * @example\n     *\n     * _.difference([2, 1], [2, 3]);\n     * // => [1]\n     */\n    var difference = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `iteratee` which\n     * is invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var differenceBy = baseRest(function(array, values) {\n      var iteratee = last(values);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `comparator`\n     * which is invoked to compare elements of `array` to `values`. The order and\n     * references of result values are determined by the first array. The comparator\n     * is invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     *\n     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }]\n     */\n    var differenceWith = baseRest(function(array, values) {\n      var comparator = last(values);\n      if (isArrayLikeObject(comparator)) {\n        comparator = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.drop([1, 2, 3]);\n     * // => [2, 3]\n     *\n     * _.drop([1, 2, 3], 2);\n     * // => [3]\n     *\n     * _.drop([1, 2, 3], 5);\n     * // => []\n     *\n     * _.drop([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function drop(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.dropRight([1, 2, 3]);\n     * // => [1, 2]\n     *\n     * _.dropRight([1, 2, 3], 2);\n     * // => [1]\n     *\n     * _.dropRight([1, 2, 3], 5);\n     * // => []\n     *\n     * _.dropRight([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function dropRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the end.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.dropRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropRightWhile(users, ['active', false]);\n     * // => objects for ['barney']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropRightWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the beginning.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.dropWhile(users, function(o) { return !o.active; });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropWhile(users, ['active', false]);\n     * // => objects for ['pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true)\n        : [];\n    }\n\n    /**\n     * Fills elements of `array` with `value` from `start` up to, but not\n     * including, `end`.\n     *\n     * **Note:** This method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Array\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.fill(array, 'a');\n     * console.log(array);\n     * // => ['a', 'a', 'a']\n     *\n     * _.fill(Array(3), 2);\n     * // => [2, 2, 2]\n     *\n     * _.fill([4, 6, 8, 10], '*', 1, 3);\n     * // => [4, '*', '*', 10]\n     */\n    function fill(array, value, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n        start = 0;\n        end = length;\n      }\n      return baseFill(array, value, start, end);\n    }\n\n    /**\n     * This method is like `_.find` except that it returns the index of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n     * // => 0\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findIndex(users, { 'user': 'fred', 'active': false });\n     * // => 1\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findIndex(users, ['active', false]);\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findIndex(users, 'active');\n     * // => 2\n     */\n    function findIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index);\n    }\n\n    /**\n     * This method is like `_.findIndex` except that it iterates over elements\n     * of `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n     * // => 2\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n     * // => 0\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastIndex(users, ['active', false]);\n     * // => 2\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastIndex(users, 'active');\n     * // => 0\n     */\n    function findLastIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length - 1;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = fromIndex < 0\n          ? nativeMax(length + index, 0)\n          : nativeMin(index, length - 1);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n    }\n\n    /**\n     * Flattens `array` a single level deep.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flatten([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, [3, [4]], 5]\n     */\n    function flatten(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, 1) : [];\n    }\n\n    /**\n     * Recursively flattens `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, 3, 4, 5]\n     */\n    function flattenDeep(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, INFINITY) : [];\n    }\n\n    /**\n     * Recursively flatten `array` up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * var array = [1, [2, [3, [4]], 5]];\n     *\n     * _.flattenDepth(array, 1);\n     * // => [1, 2, [3, [4]], 5]\n     *\n     * _.flattenDepth(array, 2);\n     * // => [1, 2, 3, [4], 5]\n     */\n    function flattenDepth(array, depth) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(array, depth);\n    }\n\n    /**\n     * The inverse of `_.toPairs`; this method returns an object composed\n     * from key-value `pairs`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} pairs The key-value pairs.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.fromPairs([['a', 1], ['b', 2]]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function fromPairs(pairs) {\n      var index = -1,\n          length = pairs == null ? 0 : pairs.length,\n          result = {};\n\n      while (++index < length) {\n        var pair = pairs[index];\n        result[pair[0]] = pair[1];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias first\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the first element of `array`.\n     * @example\n     *\n     * _.head([1, 2, 3]);\n     * // => 1\n     *\n     * _.head([]);\n     * // => undefined\n     */\n    function head(array) {\n      return (array && array.length) ? array[0] : undefined;\n    }\n\n    /**\n     * Gets the index at which the first occurrence of `value` is found in `array`\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. If `fromIndex` is negative, it's used as the\n     * offset from the end of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.indexOf([1, 2, 1, 2], 2);\n     * // => 1\n     *\n     * // Search from the `fromIndex`.\n     * _.indexOf([1, 2, 1, 2], 2, 2);\n     * // => 3\n     */\n    function indexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseIndexOf(array, value, index);\n    }\n\n    /**\n     * Gets all but the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.initial([1, 2, 3]);\n     * // => [1, 2]\n     */\n    function initial(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 0, -1) : [];\n    }\n\n    /**\n     * Creates an array of unique values that are included in all given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersection([2, 1], [2, 3]);\n     * // => [2]\n     */\n    var intersection = baseRest(function(arrays) {\n      var mapped = arrayMap(arrays, castArrayLikeObject);\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped)\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `iteratee`\n     * which is invoked for each element of each `arrays` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [2.1]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }]\n     */\n    var intersectionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      if (iteratee === last(mapped)) {\n        iteratee = undefined;\n      } else {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `comparator`\n     * which is invoked to compare elements of `arrays`. The order and references\n     * of result values are determined by the first array. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.intersectionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }]\n     */\n    var intersectionWith = baseRest(function(arrays) {\n      var comparator = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      if (comparator) {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Converts all elements in `array` into a string separated by `separator`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to convert.\n     * @param {string} [separator=','] The element separator.\n     * @returns {string} Returns the joined string.\n     * @example\n     *\n     * _.join(['a', 'b', 'c'], '~');\n     * // => 'a~b~c'\n     */\n    function join(array, separator) {\n      return array == null ? '' : nativeJoin.call(array, separator);\n    }\n\n    /**\n     * Gets the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the last element of `array`.\n     * @example\n     *\n     * _.last([1, 2, 3]);\n     * // => 3\n     */\n    function last(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? array[length - 1] : undefined;\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it iterates over elements of\n     * `array` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.lastIndexOf([1, 2, 1, 2], 2);\n     * // => 3\n     *\n     * // Search from the `fromIndex`.\n     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n     * // => 1\n     */\n    function lastIndexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n      }\n      return value === value\n        ? strictLastIndexOf(array, value, index)\n        : baseFindIndex(array, baseIsNaN, index, true);\n    }\n\n    /**\n     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n     * element from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.11.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=0] The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     *\n     * _.nth(array, 1);\n     * // => 'b'\n     *\n     * _.nth(array, -2);\n     * // => 'c';\n     */\n    function nth(array, n) {\n      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n    }\n\n    /**\n     * Removes all given values from `array` using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n     * to remove elements from an array by predicate.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...*} [values] The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pull(array, 'a', 'c');\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    var pull = baseRest(pullAll);\n\n    /**\n     * This method is like `_.pull` except that it accepts an array of values to remove.\n     *\n     * **Note:** Unlike `_.difference`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pullAll(array, ['a', 'c']);\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    function pullAll(array, values) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values)\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n     * invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The iteratee is invoked with one argument: (value).\n     *\n     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n     *\n     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n     * console.log(array);\n     * // => [{ 'x': 2 }]\n     */\n    function pullAllBy(array, values, iteratee) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, getIteratee(iteratee, 2))\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `comparator` which\n     * is invoked to compare elements of `array` to `values`. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n     *\n     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n     * console.log(array);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n     */\n    function pullAllWith(array, values, comparator) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, undefined, comparator)\n        : array;\n    }\n\n    /**\n     * Removes elements from `array` corresponding to `indexes` and returns an\n     * array of removed elements.\n     *\n     * **Note:** Unlike `_.at`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     * var pulled = _.pullAt(array, [1, 3]);\n     *\n     * console.log(array);\n     * // => ['a', 'c']\n     *\n     * console.log(pulled);\n     * // => ['b', 'd']\n     */\n    var pullAt = flatRest(function(array, indexes) {\n      var length = array == null ? 0 : array.length,\n          result = baseAt(array, indexes);\n\n      basePullAt(array, arrayMap(indexes, function(index) {\n        return isIndex(index, length) ? +index : index;\n      }).sort(compareAscending));\n\n      return result;\n    });\n\n    /**\n     * Removes all elements from `array` that `predicate` returns truthy for\n     * and returns an array of the removed elements. The predicate is invoked\n     * with three arguments: (value, index, array).\n     *\n     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n     * to pull elements from an array by value.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = [1, 2, 3, 4];\n     * var evens = _.remove(array, function(n) {\n     *   return n % 2 == 0;\n     * });\n     *\n     * console.log(array);\n     * // => [1, 3]\n     *\n     * console.log(evens);\n     * // => [2, 4]\n     */\n    function remove(array, predicate) {\n      var result = [];\n      if (!(array && array.length)) {\n        return result;\n      }\n      var index = -1,\n          indexes = [],\n          length = array.length;\n\n      predicate = getIteratee(predicate, 3);\n      while (++index < length) {\n        var value = array[index];\n        if (predicate(value, index, array)) {\n          result.push(value);\n          indexes.push(index);\n        }\n      }\n      basePullAt(array, indexes);\n      return result;\n    }\n\n    /**\n     * Reverses `array` so that the first element becomes the last, the second\n     * element becomes the second to last, and so on.\n     *\n     * **Note:** This method mutates `array` and is based on\n     * [`Array#reverse`](https://mdn.io/Array/reverse).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.reverse(array);\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function reverse(array) {\n      return array == null ? array : nativeReverse.call(array);\n    }\n\n    /**\n     * Creates a slice of `array` from `start` up to, but not including, `end`.\n     *\n     * **Note:** This method is used instead of\n     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n     * returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function slice(array, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n        start = 0;\n        end = length;\n      }\n      else {\n        start = start == null ? 0 : toInteger(start);\n        end = end === undefined ? length : toInteger(end);\n      }\n      return baseSlice(array, start, end);\n    }\n\n    /**\n     * Uses a binary search to determine the lowest index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedIndex([30, 50], 40);\n     * // => 1\n     */\n    function sortedIndex(array, value) {\n      return baseSortedIndex(array, value);\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 0\n     */\n    function sortedIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 1\n     */\n    function sortedIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value);\n        if (index < length && eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it returns the highest\n     * index at which `value` should be inserted into `array` in order to\n     * maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n     * // => 4\n     */\n    function sortedLastIndex(array, value) {\n      return baseSortedIndex(array, value, true);\n    }\n\n    /**\n     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 1\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 1\n     */\n    function sortedLastIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n    }\n\n    /**\n     * This method is like `_.lastIndexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 3\n     */\n    function sortedLastIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value, true) - 1;\n        if (eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.uniq` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniq([1, 1, 2]);\n     * // => [1, 2]\n     */\n    function sortedUniq(array) {\n      return (array && array.length)\n        ? baseSortedUniq(array)\n        : [];\n    }\n\n    /**\n     * This method is like `_.uniqBy` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n     * // => [1.1, 2.3]\n     */\n    function sortedUniqBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n        : [];\n    }\n\n    /**\n     * Gets all but the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.tail([1, 2, 3]);\n     * // => [2, 3]\n     */\n    function tail(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 1, length) : [];\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.take([1, 2, 3]);\n     * // => [1]\n     *\n     * _.take([1, 2, 3], 2);\n     * // => [1, 2]\n     *\n     * _.take([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.take([1, 2, 3], 0);\n     * // => []\n     */\n    function take(array, n, guard) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.takeRight([1, 2, 3]);\n     * // => [3]\n     *\n     * _.takeRight([1, 2, 3], 2);\n     * // => [2, 3]\n     *\n     * _.takeRight([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.takeRight([1, 2, 3], 0);\n     * // => []\n     */\n    function takeRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the end. Elements are\n     * taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.takeRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeRightWhile(users, ['active', false]);\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeRightWhile(users, 'active');\n     * // => []\n     */\n    function takeRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the beginning. Elements\n     * are taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.takeWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeWhile(users, ['active', false]);\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeWhile(users, 'active');\n     * // => []\n     */\n    function takeWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3))\n        : [];\n    }\n\n    /**\n     * Creates an array of unique values, in order, from all given arrays using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.union([2], [1, 2]);\n     * // => [2, 1]\n     */\n    var union = baseRest(function(arrays) {\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which uniqueness is computed. Result values are chosen from the first\n     * array in which the value occurs. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    var unionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `comparator` which\n     * is invoked to compare elements of `arrays`. Result values are chosen from\n     * the first array in which the value occurs. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.unionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var unionWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n    });\n\n    /**\n     * Creates a duplicate-free version of an array, using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons, in which only the first occurrence of each element\n     * is kept. The order of result values is determined by the order they occur\n     * in the array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniq([2, 1, 2]);\n     * // => [2, 1]\n     */\n    function uniq(array) {\n      return (array && array.length) ? baseUniq(array) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * uniqueness is computed. The order of result values is determined by the\n     * order they occur in the array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    function uniqBy(array, iteratee) {\n      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `comparator` which\n     * is invoked to compare elements of `array`. The order of result values is\n     * determined by the order they occur in the array.The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.uniqWith(objects, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n     */\n    function uniqWith(array, comparator) {\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts an array of grouped\n     * elements and creates an array regrouping the elements to their pre-zip\n     * configuration.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.2.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     *\n     * _.unzip(zipped);\n     * // => [['a', 'b'], [1, 2], [true, false]]\n     */\n    function unzip(array) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var length = 0;\n      array = arrayFilter(array, function(group) {\n        if (isArrayLikeObject(group)) {\n          length = nativeMax(group.length, length);\n          return true;\n        }\n      });\n      return baseTimes(length, function(index) {\n        return arrayMap(array, baseProperty(index));\n      });\n    }\n\n    /**\n     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n     * how regrouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  regrouped values.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n     * // => [[1, 10, 100], [2, 20, 200]]\n     *\n     * _.unzipWith(zipped, _.add);\n     * // => [3, 30, 300]\n     */\n    function unzipWith(array, iteratee) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var result = unzip(array);\n      if (iteratee == null) {\n        return result;\n      }\n      return arrayMap(result, function(group) {\n        return apply(iteratee, undefined, group);\n      });\n    }\n\n    /**\n     * Creates an array excluding all given values using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.pull`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...*} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.xor\n     * @example\n     *\n     * _.without([2, 1, 2, 3], 1, 2);\n     * // => [3]\n     */\n    var without = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, values)\n        : [];\n    });\n\n    /**\n     * Creates an array of unique values that is the\n     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n     * of the given arrays. The order of result values is determined by the order\n     * they occur in the arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.without\n     * @example\n     *\n     * _.xor([2, 1], [2, 3]);\n     * // => [1, 3]\n     */\n    var xor = baseRest(function(arrays) {\n      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which by which they're compared. The order of result values is determined\n     * by the order they occur in the arrays. The iteratee is invoked with one\n     * argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2, 3.4]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var xorBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `comparator` which is\n     * invoked to compare elements of `arrays`. The order of result values is\n     * determined by the order they occur in the arrays. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.xorWith(objects, others, _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var xorWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n    });\n\n    /**\n     * Creates an array of grouped elements, the first of which contains the\n     * first elements of the given arrays, the second of which contains the\n     * second elements of the given arrays, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     */\n    var zip = baseRest(unzip);\n\n    /**\n     * This method is like `_.fromPairs` except that it accepts two arrays,\n     * one of property identifiers and one of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.4.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObject(['a', 'b'], [1, 2]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function zipObject(props, values) {\n      return baseZipObject(props || [], values || [], assignValue);\n    }\n\n    /**\n     * This method is like `_.zipObject` except that it supports property paths.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n     */\n    function zipObjectDeep(props, values) {\n      return baseZipObject(props || [], values || [], baseSet);\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts `iteratee` to specify\n     * how grouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  grouped values.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n     *   return a + b + c;\n     * });\n     * // => [111, 222]\n     */\n    var zipWith = baseRest(function(arrays) {\n      var length = arrays.length,\n          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n      return unzipWith(arrays, iteratee);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n     * chain sequences enabled. The result of such sequences must be unwrapped\n     * with `_#value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Seq\n     * @param {*} value The value to wrap.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36 },\n     *   { 'user': 'fred',    'age': 40 },\n     *   { 'user': 'pebbles', 'age': 1 }\n     * ];\n     *\n     * var youngest = _\n     *   .chain(users)\n     *   .sortBy('age')\n     *   .map(function(o) {\n     *     return o.user + ' is ' + o.age;\n     *   })\n     *   .head()\n     *   .value();\n     * // => 'pebbles is 1'\n     */\n    function chain(value) {\n      var result = lodash(value);\n      result.__chain__ = true;\n      return result;\n    }\n\n    /**\n     * This method invokes `interceptor` and returns `value`. The interceptor\n     * is invoked with one argument; (value). The purpose of this method is to\n     * \"tap into\" a method chain sequence in order to modify intermediate results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * _([1, 2, 3])\n     *  .tap(function(array) {\n     *    // Mutate input array.\n     *    array.pop();\n     *  })\n     *  .reverse()\n     *  .value();\n     * // => [2, 1]\n     */\n    function tap(value, interceptor) {\n      interceptor(value);\n      return value;\n    }\n\n    /**\n     * This method is like `_.tap` except that it returns the result of `interceptor`.\n     * The purpose of this method is to \"pass thru\" values replacing intermediate\n     * results in a method chain sequence.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns the result of `interceptor`.\n     * @example\n     *\n     * _('  abc  ')\n     *  .chain()\n     *  .trim()\n     *  .thru(function(value) {\n     *    return [value];\n     *  })\n     *  .value();\n     * // => ['abc']\n     */\n    function thru(value, interceptor) {\n      return interceptor(value);\n    }\n\n    /**\n     * This method is the wrapper version of `_.at`.\n     *\n     * @name at\n     * @memberOf _\n     * @since 1.0.0\n     * @category Seq\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _(object).at(['a[0].b.c', 'a[1]']).value();\n     * // => [3, 4]\n     */\n    var wrapperAt = flatRest(function(paths) {\n      var length = paths.length,\n          start = length ? paths[0] : 0,\n          value = this.__wrapped__,\n          interceptor = function(object) { return baseAt(object, paths); };\n\n      if (length > 1 || this.__actions__.length ||\n          !(value instanceof LazyWrapper) || !isIndex(start)) {\n        return this.thru(interceptor);\n      }\n      value = value.slice(start, +start + (length ? 1 : 0));\n      value.__actions__.push({\n        'func': thru,\n        'args': [interceptor],\n        'thisArg': undefined\n      });\n      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n        if (length && !array.length) {\n          array.push(undefined);\n        }\n        return array;\n      });\n    });\n\n    /**\n     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n     *\n     * @name chain\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 }\n     * ];\n     *\n     * // A sequence without explicit chaining.\n     * _(users).head();\n     * // => { 'user': 'barney', 'age': 36 }\n     *\n     * // A sequence with explicit chaining.\n     * _(users)\n     *   .chain()\n     *   .head()\n     *   .pick('user')\n     *   .value();\n     * // => { 'user': 'barney' }\n     */\n    function wrapperChain() {\n      return chain(this);\n    }\n\n    /**\n     * Executes the chain sequence and returns the wrapped result.\n     *\n     * @name commit\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2];\n     * var wrapped = _(array).push(3);\n     *\n     * console.log(array);\n     * // => [1, 2]\n     *\n     * wrapped = wrapped.commit();\n     * console.log(array);\n     * // => [1, 2, 3]\n     *\n     * wrapped.last();\n     * // => 3\n     *\n     * console.log(array);\n     * // => [1, 2, 3]\n     */\n    function wrapperCommit() {\n      return new LodashWrapper(this.value(), this.__chain__);\n    }\n\n    /**\n     * Gets the next value on a wrapped object following the\n     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n     *\n     * @name next\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the next iterator value.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 1 }\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 2 }\n     *\n     * wrapped.next();\n     * // => { 'done': true, 'value': undefined }\n     */\n    function wrapperNext() {\n      if (this.__values__ === undefined) {\n        this.__values__ = toArray(this.value());\n      }\n      var done = this.__index__ >= this.__values__.length,\n          value = done ? undefined : this.__values__[this.__index__++];\n\n      return { 'done': done, 'value': value };\n    }\n\n    /**\n     * Enables the wrapper to be iterable.\n     *\n     * @name Symbol.iterator\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the wrapper object.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped[Symbol.iterator]() === wrapped;\n     * // => true\n     *\n     * Array.from(wrapped);\n     * // => [1, 2]\n     */\n    function wrapperToIterator() {\n      return this;\n    }\n\n    /**\n     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n     *\n     * @name plant\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @param {*} value The value to plant.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2]).map(square);\n     * var other = wrapped.plant([3, 4]);\n     *\n     * other.value();\n     * // => [9, 16]\n     *\n     * wrapped.value();\n     * // => [1, 4]\n     */\n    function wrapperPlant(value) {\n      var result,\n          parent = this;\n\n      while (parent instanceof baseLodash) {\n        var clone = wrapperClone(parent);\n        clone.__index__ = 0;\n        clone.__values__ = undefined;\n        if (result) {\n          previous.__wrapped__ = clone;\n        } else {\n          result = clone;\n        }\n        var previous = clone;\n        parent = parent.__wrapped__;\n      }\n      previous.__wrapped__ = value;\n      return result;\n    }\n\n    /**\n     * This method is the wrapper version of `_.reverse`.\n     *\n     * **Note:** This method mutates the wrapped array.\n     *\n     * @name reverse\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _(array).reverse().value()\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function wrapperReverse() {\n      var value = this.__wrapped__;\n      if (value instanceof LazyWrapper) {\n        var wrapped = value;\n        if (this.__actions__.length) {\n          wrapped = new LazyWrapper(this);\n        }\n        wrapped = wrapped.reverse();\n        wrapped.__actions__.push({\n          'func': thru,\n          'args': [reverse],\n          'thisArg': undefined\n        });\n        return new LodashWrapper(wrapped, this.__chain__);\n      }\n      return this.thru(reverse);\n    }\n\n    /**\n     * Executes the chain sequence to resolve the unwrapped value.\n     *\n     * @name value\n     * @memberOf _\n     * @since 0.1.0\n     * @alias toJSON, valueOf\n     * @category Seq\n     * @returns {*} Returns the resolved unwrapped value.\n     * @example\n     *\n     * _([1, 2, 3]).value();\n     * // => [1, 2, 3]\n     */\n    function wrapperValue() {\n      return baseWrapperValue(this.__wrapped__, this.__actions__);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the number of times the key was returned by `iteratee`. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': 1, '6': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.countBy(['one', 'two', 'three'], 'length');\n     * // => { '3': 2, '5': 1 }\n     */\n    var countBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        ++result[key];\n      } else {\n        baseAssignValue(result, key, 1);\n      }\n    });\n\n    /**\n     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n     * Iteration is stopped once `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * **Note:** This method returns `true` for\n     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n     * elements of empty collections.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.every([true, 1, null, 'yes'], Boolean);\n     * // => false\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.every(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.every(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.every(users, 'active');\n     * // => false\n     */\n    function every(collection, predicate, guard) {\n      var func = isArray(collection) ? arrayEvery : baseEvery;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning an array of all elements\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * **Note:** Unlike `_.remove`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.reject\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * _.filter(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, { 'age': 36, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.filter(users, 'active');\n     * // => objects for ['barney']\n     */\n    function filter(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning the first element\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': true },\n     *   { 'user': 'fred',    'age': 40, 'active': false },\n     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n     * ];\n     *\n     * _.find(users, function(o) { return o.age < 40; });\n     * // => object for 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.find(users, { 'age': 1, 'active': true });\n     * // => object for 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.find(users, ['active', false]);\n     * // => object for 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.find(users, 'active');\n     * // => object for 'barney'\n     */\n    var find = createFind(findIndex);\n\n    /**\n     * This method is like `_.find` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=collection.length-1] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * _.findLast([1, 2, 3, 4], function(n) {\n     *   return n % 2 == 1;\n     * });\n     * // => 3\n     */\n    var findLast = createFind(findLastIndex);\n\n    /**\n     * Creates a flattened array of values by running each element in `collection`\n     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n     * with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [n, n];\n     * }\n     *\n     * _.flatMap([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMap(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), 1);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDeep([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMapDeep(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), INFINITY);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDepth([1, 2], duplicate, 2);\n     * // => [[1, 1], [2, 2]]\n     */\n    function flatMapDepth(collection, iteratee, depth) {\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(map(collection, iteratee), depth);\n    }\n\n    /**\n     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n     * The iteratee is invoked with three arguments: (value, index|key, collection).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n     * or `_.forOwn` for object iteration.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias each\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEachRight\n     * @example\n     *\n     * _.forEach([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `1` then `2`.\n     *\n     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forEach(collection, iteratee) {\n      var func = isArray(collection) ? arrayEach : baseEach;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forEach` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @alias eachRight\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEach\n     * @example\n     *\n     * _.forEachRight([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `2` then `1`.\n     */\n    function forEachRight(collection, iteratee) {\n      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The order of grouped values\n     * is determined by the order they occur in `collection`. The corresponding\n     * value of each key is an array of elements responsible for generating the\n     * key. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': [4.2], '6': [6.1, 6.3] }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.groupBy(['one', 'two', 'three'], 'length');\n     * // => { '3': ['one', 'two'], '5': ['three'] }\n     */\n    var groupBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        result[key].push(value);\n      } else {\n        baseAssignValue(result, key, [value]);\n      }\n    });\n\n    /**\n     * Checks if `value` is in `collection`. If `collection` is a string, it's\n     * checked for a substring of `value`, otherwise\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n     * the offset from the end of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n     * @example\n     *\n     * _.includes([1, 2, 3], 1);\n     * // => true\n     *\n     * _.includes([1, 2, 3], 1, 2);\n     * // => false\n     *\n     * _.includes({ 'a': 1, 'b': 2 }, 1);\n     * // => true\n     *\n     * _.includes('abcd', 'bc');\n     * // => true\n     */\n    function includes(collection, value, fromIndex, guard) {\n      collection = isArrayLike(collection) ? collection : values(collection);\n      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n      var length = collection.length;\n      if (fromIndex < 0) {\n        fromIndex = nativeMax(length + fromIndex, 0);\n      }\n      return isString(collection)\n        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n    }\n\n    /**\n     * Invokes the method at `path` of each element in `collection`, returning\n     * an array of the results of each invoked method. Any additional arguments\n     * are provided to each invoked method. If `path` is a function, it's invoked\n     * for, and `this` bound to, each element in `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array|Function|string} path The path of the method to invoke or\n     *  the function invoked per iteration.\n     * @param {...*} [args] The arguments to invoke each method with.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n     * // => [[1, 5, 7], [1, 2, 3]]\n     *\n     * _.invokeMap([123, 456], String.prototype.split, '');\n     * // => [['1', '2', '3'], ['4', '5', '6']]\n     */\n    var invokeMap = baseRest(function(collection, path, args) {\n      var index = -1,\n          isFunc = typeof path == 'function',\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value) {\n        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n      });\n      return result;\n    });\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the last element responsible for generating the key. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * var array = [\n     *   { 'dir': 'left', 'code': 97 },\n     *   { 'dir': 'right', 'code': 100 }\n     * ];\n     *\n     * _.keyBy(array, function(o) {\n     *   return String.fromCharCode(o.code);\n     * });\n     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n     *\n     * _.keyBy(array, 'dir');\n     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n     */\n    var keyBy = createAggregator(function(result, value, key) {\n      baseAssignValue(result, key, value);\n    });\n\n    /**\n     * Creates an array of values by running each element in `collection` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n     *\n     * The guarded methods are:\n     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * _.map([4, 8], square);\n     * // => [16, 64]\n     *\n     * _.map({ 'a': 4, 'b': 8 }, square);\n     * // => [16, 64] (iteration order is not guaranteed)\n     *\n     * var users = [\n     *   { 'user': 'barney' },\n     *   { 'user': 'fred' }\n     * ];\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, 'user');\n     * // => ['barney', 'fred']\n     */\n    function map(collection, iteratee) {\n      var func = isArray(collection) ? arrayMap : baseMap;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.sortBy` except that it allows specifying the sort\n     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n     * descending or \"asc\" for ascending sort order of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @param {string[]} [orders] The sort orders of `iteratees`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 34 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 36 }\n     * ];\n     *\n     * // Sort by `user` in ascending order and by `age` in descending order.\n     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     */\n    function orderBy(collection, iteratees, orders, guard) {\n      if (collection == null) {\n        return [];\n      }\n      if (!isArray(iteratees)) {\n        iteratees = iteratees == null ? [] : [iteratees];\n      }\n      orders = guard ? undefined : orders;\n      if (!isArray(orders)) {\n        orders = orders == null ? [] : [orders];\n      }\n      return baseOrderBy(collection, iteratees, orders);\n    }\n\n    /**\n     * Creates an array of elements split into two groups, the first of which\n     * contains elements `predicate` returns truthy for, the second of which\n     * contains elements `predicate` returns falsey for. The predicate is\n     * invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of grouped elements.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': false },\n     *   { 'user': 'fred',    'age': 40, 'active': true },\n     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n     * ];\n     *\n     * _.partition(users, function(o) { return o.active; });\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.partition(users, { 'age': 1, 'active': false });\n     * // => objects for [['pebbles'], ['barney', 'fred']]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.partition(users, ['active', false]);\n     * // => objects for [['barney', 'pebbles'], ['fred']]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.partition(users, 'active');\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     */\n    var partition = createAggregator(function(result, value, key) {\n      result[key ? 0 : 1].push(value);\n    }, function() { return [[], []]; });\n\n    /**\n     * Reduces `collection` to a value which is the accumulated result of running\n     * each element in `collection` thru `iteratee`, where each successive\n     * invocation is supplied the return value of the previous. If `accumulator`\n     * is not given, the first element of `collection` is used as the initial\n     * value. The iteratee is invoked with four arguments:\n     * (accumulator, value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n     *\n     * The guarded methods are:\n     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n     * and `sortBy`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduceRight\n     * @example\n     *\n     * _.reduce([1, 2], function(sum, n) {\n     *   return sum + n;\n     * }, 0);\n     * // => 3\n     *\n     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     *   return result;\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n     */\n    function reduce(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduce : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n    }\n\n    /**\n     * This method is like `_.reduce` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduce\n     * @example\n     *\n     * var array = [[0, 1], [2, 3], [4, 5]];\n     *\n     * _.reduceRight(array, function(flattened, other) {\n     *   return flattened.concat(other);\n     * }, []);\n     * // => [4, 5, 2, 3, 0, 1]\n     */\n    function reduceRight(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n    }\n\n    /**\n     * The opposite of `_.filter`; this method returns the elements of `collection`\n     * that `predicate` does **not** return truthy for.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.filter\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': true }\n     * ];\n     *\n     * _.reject(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.reject(users, { 'age': 40, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.reject(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.reject(users, 'active');\n     * // => objects for ['barney']\n     */\n    function reject(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, negate(getIteratee(predicate, 3)));\n    }\n\n    /**\n     * Gets a random element from `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     * @example\n     *\n     * _.sample([1, 2, 3, 4]);\n     * // => 2\n     */\n    function sample(collection) {\n      var func = isArray(collection) ? arraySample : baseSample;\n      return func(collection);\n    }\n\n    /**\n     * Gets `n` random elements at unique keys from `collection` up to the\n     * size of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} [n=1] The number of elements to sample.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the random elements.\n     * @example\n     *\n     * _.sampleSize([1, 2, 3], 2);\n     * // => [3, 1]\n     *\n     * _.sampleSize([1, 2, 3], 4);\n     * // => [2, 3, 1]\n     */\n    function sampleSize(collection, n, guard) {\n      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n      return func(collection, n);\n    }\n\n    /**\n     * Creates an array of shuffled values, using a version of the\n     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     * @example\n     *\n     * _.shuffle([1, 2, 3, 4]);\n     * // => [4, 1, 3, 2]\n     */\n    function shuffle(collection) {\n      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n      return func(collection);\n    }\n\n    /**\n     * Gets the size of `collection` by returning its length for array-like\n     * values or the number of own enumerable string keyed properties for objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @returns {number} Returns the collection size.\n     * @example\n     *\n     * _.size([1, 2, 3]);\n     * // => 3\n     *\n     * _.size({ 'a': 1, 'b': 2 });\n     * // => 2\n     *\n     * _.size('pebbles');\n     * // => 7\n     */\n    function size(collection) {\n      if (collection == null) {\n        return 0;\n      }\n      if (isArrayLike(collection)) {\n        return isString(collection) ? stringSize(collection) : collection.length;\n      }\n      var tag = getTag(collection);\n      if (tag == mapTag || tag == setTag) {\n        return collection.size;\n      }\n      return baseKeys(collection).length;\n    }\n\n    /**\n     * Checks if `predicate` returns truthy for **any** element of `collection`.\n     * Iteration is stopped once `predicate` returns truthy. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.some([null, 0, 'yes', false], Boolean);\n     * // => true\n     *\n     * var users = [\n     *   { 'user': 'barney', 'active': true },\n     *   { 'user': 'fred',   'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.some(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.some(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.some(users, 'active');\n     * // => true\n     */\n    function some(collection, predicate, guard) {\n      var func = isArray(collection) ? arraySome : baseSome;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Creates an array of elements, sorted in ascending order by the results of\n     * running each element in a collection thru each iteratee. This method\n     * performs a stable sort, that is, it preserves the original sort order of\n     * equal elements. The iteratees are invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 34 }\n     * ];\n     *\n     * _.sortBy(users, [function(o) { return o.user; }]);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     *\n     * _.sortBy(users, ['user', 'age']);\n     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n     */\n    var sortBy = baseRest(function(collection, iteratees) {\n      if (collection == null) {\n        return [];\n      }\n      var length = iteratees.length;\n      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n        iteratees = [];\n      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n        iteratees = [iteratees[0]];\n      }\n      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Gets the timestamp of the number of milliseconds that have elapsed since\n     * the Unix epoch (1 January 1970 00:00:00 UTC).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Date\n     * @returns {number} Returns the timestamp.\n     * @example\n     *\n     * _.defer(function(stamp) {\n     *   console.log(_.now() - stamp);\n     * }, _.now());\n     * // => Logs the number of milliseconds it took for the deferred invocation.\n     */\n    var now = ctxNow || function() {\n      return root.Date.now();\n    };\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The opposite of `_.before`; this method creates a function that invokes\n     * `func` once it's called `n` or more times.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {number} n The number of calls before `func` is invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var saves = ['profile', 'settings'];\n     *\n     * var done = _.after(saves.length, function() {\n     *   console.log('done saving!');\n     * });\n     *\n     * _.forEach(saves, function(type) {\n     *   asyncSave({ 'type': type, 'complete': done });\n     * });\n     * // => Logs 'done saving!' after the two async saves have completed.\n     */\n    function after(n, func) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n < 1) {\n          return func.apply(this, arguments);\n        }\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func`, with up to `n` arguments,\n     * ignoring any additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @param {number} [n=func.length] The arity cap.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n     * // => [6, 8, 10]\n     */\n    function ary(func, n, guard) {\n      n = guard ? undefined : n;\n      n = (func && n == null) ? func.length : n;\n      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n    }\n\n    /**\n     * Creates a function that invokes `func`, with the `this` binding and arguments\n     * of the created function, while it's called less than `n` times. Subsequent\n     * calls to the created function return the result of the last `func` invocation.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {number} n The number of calls at which `func` is no longer invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * jQuery(element).on('click', _.before(5, addContactToList));\n     * // => Allows adding up to 4 contacts to the list.\n     */\n    function before(n, func) {\n      var result;\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n > 0) {\n          result = func.apply(this, arguments);\n        }\n        if (n <= 1) {\n          func = undefined;\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n     * and `partials` prepended to the arguments it receives.\n     *\n     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n     * property of bound functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to bind.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * function greet(greeting, punctuation) {\n     *   return greeting + ' ' + this.user + punctuation;\n     * }\n     *\n     * var object = { 'user': 'fred' };\n     *\n     * var bound = _.bind(greet, object, 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bind(greet, object, _, '!');\n     * bound('hi');\n     * // => 'hi fred!'\n     */\n    var bind = baseRest(function(func, thisArg, partials) {\n      var bitmask = WRAP_BIND_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bind));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(func, bitmask, thisArg, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes the method at `object[key]` with `partials`\n     * prepended to the arguments it receives.\n     *\n     * This method differs from `_.bind` by allowing bound functions to reference\n     * methods that may be redefined or don't yet exist. See\n     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n     * for more details.\n     *\n     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Function\n     * @param {Object} object The object to invoke the method on.\n     * @param {string} key The key of the method.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * var object = {\n     *   'user': 'fred',\n     *   'greet': function(greeting, punctuation) {\n     *     return greeting + ' ' + this.user + punctuation;\n     *   }\n     * };\n     *\n     * var bound = _.bindKey(object, 'greet', 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * object.greet = function(greeting, punctuation) {\n     *   return greeting + 'ya ' + this.user + punctuation;\n     * };\n     *\n     * bound('!');\n     * // => 'hiya fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bindKey(object, 'greet', _, '!');\n     * bound('hi');\n     * // => 'hiya fred!'\n     */\n    var bindKey = baseRest(function(object, key, partials) {\n      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bindKey));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(key, bitmask, object, partials, holders);\n    });\n\n    /**\n     * Creates a function that accepts arguments of `func` and either invokes\n     * `func` returning its result, if at least `arity` number of arguments have\n     * been provided, or returns a function that accepts the remaining `func`\n     * arguments, and so on. The arity of `func` may be specified if `func.length`\n     * is not sufficient.\n     *\n     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curry(abc);\n     *\n     * curried(1)(2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(1)(_, 3)(2);\n     * // => [1, 2, 3]\n     */\n    function curry(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curry.placeholder;\n      return result;\n    }\n\n    /**\n     * This method is like `_.curry` except that arguments are applied to `func`\n     * in the manner of `_.partialRight` instead of `_.partial`.\n     *\n     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curryRight(abc);\n     *\n     * curried(3)(2)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(2, 3)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(3)(1, _)(2);\n     * // => [1, 2, 3]\n     */\n    function curryRight(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curryRight.placeholder;\n      return result;\n    }\n\n    /**\n     * Creates a debounced function that delays invoking `func` until after `wait`\n     * milliseconds have elapsed since the last time the debounced function was\n     * invoked. The debounced function comes with a `cancel` method to cancel\n     * delayed `func` invocations and a `flush` method to immediately invoke them.\n     * Provide `options` to indicate whether `func` should be invoked on the\n     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n     * with the last arguments provided to the debounced function. Subsequent\n     * calls to the debounced function return the result of the last `func`\n     * invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the debounced function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.debounce` and `_.throttle`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to debounce.\n     * @param {number} [wait=0] The number of milliseconds to delay.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=false]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {number} [options.maxWait]\n     *  The maximum time `func` is allowed to be delayed before it's invoked.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new debounced function.\n     * @example\n     *\n     * // Avoid costly calculations while the window size is in flux.\n     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n     *\n     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n     *   'leading': true,\n     *   'trailing': false\n     * }));\n     *\n     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n     * var source = new EventSource('/stream');\n     * jQuery(source).on('message', debounced);\n     *\n     * // Cancel the trailing debounced invocation.\n     * jQuery(window).on('popstate', debounced.cancel);\n     */\n    function debounce(func, wait, options) {\n      var lastArgs,\n          lastThis,\n          maxWait,\n          result,\n          timerId,\n          lastCallTime,\n          lastInvokeTime = 0,\n          leading = false,\n          maxing = false,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      wait = toNumber(wait) || 0;\n      if (isObject(options)) {\n        leading = !!options.leading;\n        maxing = 'maxWait' in options;\n        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n\n      function invokeFunc(time) {\n        var args = lastArgs,\n            thisArg = lastThis;\n\n        lastArgs = lastThis = undefined;\n        lastInvokeTime = time;\n        result = func.apply(thisArg, args);\n        return result;\n      }\n\n      function leadingEdge(time) {\n        // Reset any `maxWait` timer.\n        lastInvokeTime = time;\n        // Start the timer for the trailing edge.\n        timerId = setTimeout(timerExpired, wait);\n        // Invoke the leading edge.\n        return leading ? invokeFunc(time) : result;\n      }\n\n      function remainingWait(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime,\n            result = wait - timeSinceLastCall;\n\n        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n      }\n\n      function shouldInvoke(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime;\n\n        // Either this is the first call, activity has stopped and we're at the\n        // trailing edge, the system time has gone backwards and we're treating\n        // it as the trailing edge, or we've hit the `maxWait` limit.\n        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n      }\n\n      function timerExpired() {\n        var time = now();\n        if (shouldInvoke(time)) {\n          return trailingEdge(time);\n        }\n        // Restart the timer.\n        timerId = setTimeout(timerExpired, remainingWait(time));\n      }\n\n      function trailingEdge(time) {\n        timerId = undefined;\n\n        // Only invoke if we have `lastArgs` which means `func` has been\n        // debounced at least once.\n        if (trailing && lastArgs) {\n          return invokeFunc(time);\n        }\n        lastArgs = lastThis = undefined;\n        return result;\n      }\n\n      function cancel() {\n        if (timerId !== undefined) {\n          clearTimeout(timerId);\n        }\n        lastInvokeTime = 0;\n        lastArgs = lastCallTime = lastThis = timerId = undefined;\n      }\n\n      function flush() {\n        return timerId === undefined ? result : trailingEdge(now());\n      }\n\n      function debounced() {\n        var time = now(),\n            isInvoking = shouldInvoke(time);\n\n        lastArgs = arguments;\n        lastThis = this;\n        lastCallTime = time;\n\n        if (isInvoking) {\n          if (timerId === undefined) {\n            return leadingEdge(lastCallTime);\n          }\n          if (maxing) {\n            // Handle invocations in a tight loop.\n            timerId = setTimeout(timerExpired, wait);\n            return invokeFunc(lastCallTime);\n          }\n        }\n        if (timerId === undefined) {\n          timerId = setTimeout(timerExpired, wait);\n        }\n        return result;\n      }\n      debounced.cancel = cancel;\n      debounced.flush = flush;\n      return debounced;\n    }\n\n    /**\n     * Defers invoking the `func` until the current call stack has cleared. Any\n     * additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to defer.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.defer(function(text) {\n     *   console.log(text);\n     * }, 'deferred');\n     * // => Logs 'deferred' after one millisecond.\n     */\n    var defer = baseRest(function(func, args) {\n      return baseDelay(func, 1, args);\n    });\n\n    /**\n     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n     * provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.delay(function(text) {\n     *   console.log(text);\n     * }, 1000, 'later');\n     * // => Logs 'later' after one second.\n     */\n    var delay = baseRest(function(func, wait, args) {\n      return baseDelay(func, toNumber(wait) || 0, args);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments reversed.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to flip arguments for.\n     * @returns {Function} Returns the new flipped function.\n     * @example\n     *\n     * var flipped = _.flip(function() {\n     *   return _.toArray(arguments);\n     * });\n     *\n     * flipped('a', 'b', 'c', 'd');\n     * // => ['d', 'c', 'b', 'a']\n     */\n    function flip(func) {\n      return createWrap(func, WRAP_FLIP_FLAG);\n    }\n\n    /**\n     * Creates a function that memoizes the result of `func`. If `resolver` is\n     * provided, it determines the cache key for storing the result based on the\n     * arguments provided to the memoized function. By default, the first argument\n     * provided to the memoized function is used as the map cache key. The `func`\n     * is invoked with the `this` binding of the memoized function.\n     *\n     * **Note:** The cache is exposed as the `cache` property on the memoized\n     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n     * constructor with one whose instances implement the\n     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to have its output memoized.\n     * @param {Function} [resolver] The function to resolve the cache key.\n     * @returns {Function} Returns the new memoized function.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     * var other = { 'c': 3, 'd': 4 };\n     *\n     * var values = _.memoize(_.values);\n     * values(object);\n     * // => [1, 2]\n     *\n     * values(other);\n     * // => [3, 4]\n     *\n     * object.a = 2;\n     * values(object);\n     * // => [1, 2]\n     *\n     * // Modify the result cache.\n     * values.cache.set(object, ['a', 'b']);\n     * values(object);\n     * // => ['a', 'b']\n     *\n     * // Replace `_.memoize.Cache`.\n     * _.memoize.Cache = WeakMap;\n     */\n    function memoize(func, resolver) {\n      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var memoized = function() {\n        var args = arguments,\n            key = resolver ? resolver.apply(this, args) : args[0],\n            cache = memoized.cache;\n\n        if (cache.has(key)) {\n          return cache.get(key);\n        }\n        var result = func.apply(this, args);\n        memoized.cache = cache.set(key, result) || cache;\n        return result;\n      };\n      memoized.cache = new (memoize.Cache || MapCache);\n      return memoized;\n    }\n\n    // Expose `MapCache`.\n    memoize.Cache = MapCache;\n\n    /**\n     * Creates a function that negates the result of the predicate `func`. The\n     * `func` predicate is invoked with the `this` binding and arguments of the\n     * created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} predicate The predicate to negate.\n     * @returns {Function} Returns the new negated function.\n     * @example\n     *\n     * function isEven(n) {\n     *   return n % 2 == 0;\n     * }\n     *\n     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n     * // => [1, 3, 5]\n     */\n    function negate(predicate) {\n      if (typeof predicate != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return function() {\n        var args = arguments;\n        switch (args.length) {\n          case 0: return !predicate.call(this);\n          case 1: return !predicate.call(this, args[0]);\n          case 2: return !predicate.call(this, args[0], args[1]);\n          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n        }\n        return !predicate.apply(this, args);\n      };\n    }\n\n    /**\n     * Creates a function that is restricted to invoking `func` once. Repeat calls\n     * to the function return the value of the first invocation. The `func` is\n     * invoked with the `this` binding and arguments of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var initialize = _.once(createApplication);\n     * initialize();\n     * initialize();\n     * // => `createApplication` is invoked once\n     */\n    function once(func) {\n      return before(2, func);\n    }\n\n    /**\n     * Creates a function that invokes `func` with its arguments transformed.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to wrap.\n     * @param {...(Function|Function[])} [transforms=[_.identity]]\n     *  The argument transforms.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * function doubled(n) {\n     *   return n * 2;\n     * }\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var func = _.overArgs(function(x, y) {\n     *   return [x, y];\n     * }, [square, doubled]);\n     *\n     * func(9, 3);\n     * // => [81, 6]\n     *\n     * func(10, 5);\n     * // => [100, 10]\n     */\n    var overArgs = castRest(function(func, transforms) {\n      transforms = (transforms.length == 1 && isArray(transforms[0]))\n        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n      var funcsLength = transforms.length;\n      return baseRest(function(args) {\n        var index = -1,\n            length = nativeMin(args.length, funcsLength);\n\n        while (++index < length) {\n          args[index] = transforms[index].call(this, args[index]);\n        }\n        return apply(func, this, args);\n      });\n    });\n\n    /**\n     * Creates a function that invokes `func` with `partials` prepended to the\n     * arguments it receives. This method is like `_.bind` except it does **not**\n     * alter the `this` binding.\n     *\n     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.2.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var sayHelloTo = _.partial(greet, 'hello');\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     *\n     * // Partially applied with placeholders.\n     * var greetFred = _.partial(greet, _, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     */\n    var partial = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partial));\n      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * This method is like `_.partial` except that partially applied arguments\n     * are appended to the arguments it receives.\n     *\n     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var greetFred = _.partialRight(greet, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     *\n     * // Partially applied with placeholders.\n     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     */\n    var partialRight = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partialRight));\n      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments arranged according\n     * to the specified `indexes` where the argument value at the first index is\n     * provided as the first argument, the argument value at the second index is\n     * provided as the second argument, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to rearrange arguments for.\n     * @param {...(number|number[])} indexes The arranged argument indexes.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var rearged = _.rearg(function(a, b, c) {\n     *   return [a, b, c];\n     * }, [2, 0, 1]);\n     *\n     * rearged('b', 'c', 'a')\n     * // => ['a', 'b', 'c']\n     */\n    var rearg = flatRest(function(func, indexes) {\n      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n    });\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * created function and arguments from `start` and beyond provided as\n     * an array.\n     *\n     * **Note:** This method is based on the\n     * [rest parameter](https://mdn.io/rest_parameters).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.rest(function(what, names) {\n     *   return what + ' ' + _.initial(names).join(', ') +\n     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n     * });\n     *\n     * say('hello', 'fred', 'barney', 'pebbles');\n     * // => 'hello fred, barney, & pebbles'\n     */\n    function rest(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start === undefined ? start : toInteger(start);\n      return baseRest(func, start);\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * create function and an array of arguments much like\n     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n     *\n     * **Note:** This method is based on the\n     * [spread operator](https://mdn.io/spread_operator).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Function\n     * @param {Function} func The function to spread arguments over.\n     * @param {number} [start=0] The start position of the spread.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.spread(function(who, what) {\n     *   return who + ' says ' + what;\n     * });\n     *\n     * say(['fred', 'hello']);\n     * // => 'fred says hello'\n     *\n     * var numbers = Promise.all([\n     *   Promise.resolve(40),\n     *   Promise.resolve(36)\n     * ]);\n     *\n     * numbers.then(_.spread(function(x, y) {\n     *   return x + y;\n     * }));\n     * // => a Promise of 76\n     */\n    function spread(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n      return baseRest(function(args) {\n        var array = args[start],\n            otherArgs = castSlice(args, 0, start);\n\n        if (array) {\n          arrayPush(otherArgs, array);\n        }\n        return apply(func, this, otherArgs);\n      });\n    }\n\n    /**\n     * Creates a throttled function that only invokes `func` at most once per\n     * every `wait` milliseconds. The throttled function comes with a `cancel`\n     * method to cancel delayed `func` invocations and a `flush` method to\n     * immediately invoke them. Provide `options` to indicate whether `func`\n     * should be invoked on the leading and/or trailing edge of the `wait`\n     * timeout. The `func` is invoked with the last arguments provided to the\n     * throttled function. Subsequent calls to the throttled function return the\n     * result of the last `func` invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the throttled function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.throttle` and `_.debounce`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to throttle.\n     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=true]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new throttled function.\n     * @example\n     *\n     * // Avoid excessively updating the position while scrolling.\n     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n     *\n     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n     * jQuery(element).on('click', throttled);\n     *\n     * // Cancel the trailing throttled invocation.\n     * jQuery(window).on('popstate', throttled.cancel);\n     */\n    function throttle(func, wait, options) {\n      var leading = true,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      if (isObject(options)) {\n        leading = 'leading' in options ? !!options.leading : leading;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n      return debounce(func, wait, {\n        'leading': leading,\n        'maxWait': wait,\n        'trailing': trailing\n      });\n    }\n\n    /**\n     * Creates a function that accepts up to one argument, ignoring any\n     * additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.unary(parseInt));\n     * // => [6, 8, 10]\n     */\n    function unary(func) {\n      return ary(func, 1);\n    }\n\n    /**\n     * Creates a function that provides `value` to `wrapper` as its first\n     * argument. Any additional arguments provided to the function are appended\n     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n     * binding of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {*} value The value to wrap.\n     * @param {Function} [wrapper=identity] The wrapper function.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var p = _.wrap(_.escape, function(func, text) {\n     *   return '<p>' + func(text) + '</p>';\n     * });\n     *\n     * p('fred, barney, & pebbles');\n     * // => '<p>fred, barney, &amp; pebbles</p>'\n     */\n    function wrap(value, wrapper) {\n      return partial(castFunction(wrapper), value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Casts `value` as an array if it's not one.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Lang\n     * @param {*} value The value to inspect.\n     * @returns {Array} Returns the cast array.\n     * @example\n     *\n     * _.castArray(1);\n     * // => [1]\n     *\n     * _.castArray({ 'a': 1 });\n     * // => [{ 'a': 1 }]\n     *\n     * _.castArray('abc');\n     * // => ['abc']\n     *\n     * _.castArray(null);\n     * // => [null]\n     *\n     * _.castArray(undefined);\n     * // => [undefined]\n     *\n     * _.castArray();\n     * // => []\n     *\n     * var array = [1, 2, 3];\n     * console.log(_.castArray(array) === array);\n     * // => true\n     */\n    function castArray() {\n      if (!arguments.length) {\n        return [];\n      }\n      var value = arguments[0];\n      return isArray(value) ? value : [value];\n    }\n\n    /**\n     * Creates a shallow clone of `value`.\n     *\n     * **Note:** This method is loosely based on the\n     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n     * arrays. The own enumerable properties of `arguments` objects are cloned\n     * as plain objects. An empty object is returned for uncloneable values such\n     * as error objects, functions, DOM nodes, and WeakMaps.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeep\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var shallow = _.clone(objects);\n     * console.log(shallow[0] === objects[0]);\n     * // => true\n     */\n    function clone(value) {\n      return baseClone(value, CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.clone` except that it accepts `customizer` which\n     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n     * cloning is handled by the method instead. The `customizer` is invoked with\n     * up to four arguments; (value [, index|key, object, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeepWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(false);\n     *   }\n     * }\n     *\n     * var el = _.cloneWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 0\n     */\n    function cloneWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * This method is like `_.clone` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.clone\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var deep = _.cloneDeep(objects);\n     * console.log(deep[0] === objects[0]);\n     * // => false\n     */\n    function cloneDeep(value) {\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.cloneWith` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.cloneWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(true);\n     *   }\n     * }\n     *\n     * var el = _.cloneDeepWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 20\n     */\n    function cloneDeepWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * Checks if `object` conforms to `source` by invoking the predicate\n     * properties of `source` with the corresponding property values of `object`.\n     *\n     * **Note:** This method is equivalent to `_.conforms` when `source` is\n     * partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n     * // => true\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n     * // => false\n     */\n    function conformsTo(object, source) {\n      return source == null || baseConformsTo(object, source, keys(source));\n    }\n\n    /**\n     * Performs a\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * comparison between two values to determine if they are equivalent.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.eq(object, object);\n     * // => true\n     *\n     * _.eq(object, other);\n     * // => false\n     *\n     * _.eq('a', 'a');\n     * // => true\n     *\n     * _.eq('a', Object('a'));\n     * // => false\n     *\n     * _.eq(NaN, NaN);\n     * // => true\n     */\n    function eq(value, other) {\n      return value === other || (value !== value && other !== other);\n    }\n\n    /**\n     * Checks if `value` is greater than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     * @see _.lt\n     * @example\n     *\n     * _.gt(3, 1);\n     * // => true\n     *\n     * _.gt(3, 3);\n     * // => false\n     *\n     * _.gt(1, 3);\n     * // => false\n     */\n    var gt = createRelationalOperation(baseGt);\n\n    /**\n     * Checks if `value` is greater than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n     *  `other`, else `false`.\n     * @see _.lte\n     * @example\n     *\n     * _.gte(3, 1);\n     * // => true\n     *\n     * _.gte(3, 3);\n     * // => true\n     *\n     * _.gte(1, 3);\n     * // => false\n     */\n    var gte = createRelationalOperation(function(value, other) {\n      return value >= other;\n    });\n\n    /**\n     * Checks if `value` is likely an `arguments` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArguments(function() { return arguments; }());\n     * // => true\n     *\n     * _.isArguments([1, 2, 3]);\n     * // => false\n     */\n    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n        !propertyIsEnumerable.call(value, 'callee');\n    };\n\n    /**\n     * Checks if `value` is classified as an `Array` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n     * @example\n     *\n     * _.isArray([1, 2, 3]);\n     * // => true\n     *\n     * _.isArray(document.body.children);\n     * // => false\n     *\n     * _.isArray('abc');\n     * // => false\n     *\n     * _.isArray(_.noop);\n     * // => false\n     */\n    var isArray = Array.isArray;\n\n    /**\n     * Checks if `value` is classified as an `ArrayBuffer` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     * @example\n     *\n     * _.isArrayBuffer(new ArrayBuffer(2));\n     * // => true\n     *\n     * _.isArrayBuffer(new Array(2));\n     * // => false\n     */\n    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n    /**\n     * Checks if `value` is array-like. A value is considered array-like if it's\n     * not a function and has a `value.length` that's an integer greater than or\n     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n     * @example\n     *\n     * _.isArrayLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLike(document.body.children);\n     * // => true\n     *\n     * _.isArrayLike('abc');\n     * // => true\n     *\n     * _.isArrayLike(_.noop);\n     * // => false\n     */\n    function isArrayLike(value) {\n      return value != null && isLength(value.length) && !isFunction(value);\n    }\n\n    /**\n     * This method is like `_.isArrayLike` except that it also checks if `value`\n     * is an object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array-like object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArrayLikeObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLikeObject(document.body.children);\n     * // => true\n     *\n     * _.isArrayLikeObject('abc');\n     * // => false\n     *\n     * _.isArrayLikeObject(_.noop);\n     * // => false\n     */\n    function isArrayLikeObject(value) {\n      return isObjectLike(value) && isArrayLike(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a boolean primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n     * @example\n     *\n     * _.isBoolean(false);\n     * // => true\n     *\n     * _.isBoolean(null);\n     * // => false\n     */\n    function isBoolean(value) {\n      return value === true || value === false ||\n        (isObjectLike(value) && baseGetTag(value) == boolTag);\n    }\n\n    /**\n     * Checks if `value` is a buffer.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n     * @example\n     *\n     * _.isBuffer(new Buffer(2));\n     * // => true\n     *\n     * _.isBuffer(new Uint8Array(2));\n     * // => false\n     */\n    var isBuffer = nativeIsBuffer || stubFalse;\n\n    /**\n     * Checks if `value` is classified as a `Date` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     * @example\n     *\n     * _.isDate(new Date);\n     * // => true\n     *\n     * _.isDate('Mon April 23 2012');\n     * // => false\n     */\n    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n    /**\n     * Checks if `value` is likely a DOM element.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n     * @example\n     *\n     * _.isElement(document.body);\n     * // => true\n     *\n     * _.isElement('<body>');\n     * // => false\n     */\n    function isElement(value) {\n      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n    }\n\n    /**\n     * Checks if `value` is an empty object, collection, map, or set.\n     *\n     * Objects are considered empty if they have no own enumerable string keyed\n     * properties.\n     *\n     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n     * jQuery-like collections are considered empty if they have a `length` of `0`.\n     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n     * @example\n     *\n     * _.isEmpty(null);\n     * // => true\n     *\n     * _.isEmpty(true);\n     * // => true\n     *\n     * _.isEmpty(1);\n     * // => true\n     *\n     * _.isEmpty([1, 2, 3]);\n     * // => false\n     *\n     * _.isEmpty({ 'a': 1 });\n     * // => false\n     */\n    function isEmpty(value) {\n      if (value == null) {\n        return true;\n      }\n      if (isArrayLike(value) &&\n          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n        return !value.length;\n      }\n      var tag = getTag(value);\n      if (tag == mapTag || tag == setTag) {\n        return !value.size;\n      }\n      if (isPrototype(value)) {\n        return !baseKeys(value).length;\n      }\n      for (var key in value) {\n        if (hasOwnProperty.call(value, key)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * Performs a deep comparison between two values to determine if they are\n     * equivalent.\n     *\n     * **Note:** This method supports comparing arrays, array buffers, booleans,\n     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n     * by their own, not inherited, enumerable properties. Functions and DOM\n     * nodes are compared by strict equality, i.e. `===`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.isEqual(object, other);\n     * // => true\n     *\n     * object === other;\n     * // => false\n     */\n    function isEqual(value, other) {\n      return baseIsEqual(value, other);\n    }\n\n    /**\n     * This method is like `_.isEqual` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with up to\n     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, othValue) {\n     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var array = ['hello', 'goodbye'];\n     * var other = ['hi', 'goodbye'];\n     *\n     * _.isEqualWith(array, other, customizer);\n     * // => true\n     */\n    function isEqualWith(value, other, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      var result = customizer ? customizer(value, other) : undefined;\n      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n    }\n\n    /**\n     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n     * `SyntaxError`, `TypeError`, or `URIError` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n     * @example\n     *\n     * _.isError(new Error);\n     * // => true\n     *\n     * _.isError(Error);\n     * // => false\n     */\n    function isError(value) {\n      if (!isObjectLike(value)) {\n        return false;\n      }\n      var tag = baseGetTag(value);\n      return tag == errorTag || tag == domExcTag ||\n        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n    }\n\n    /**\n     * Checks if `value` is a finite primitive number.\n     *\n     * **Note:** This method is based on\n     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n     * @example\n     *\n     * _.isFinite(3);\n     * // => true\n     *\n     * _.isFinite(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isFinite(Infinity);\n     * // => false\n     *\n     * _.isFinite('3');\n     * // => false\n     */\n    function isFinite(value) {\n      return typeof value == 'number' && nativeIsFinite(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Function` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n     * @example\n     *\n     * _.isFunction(_);\n     * // => true\n     *\n     * _.isFunction(/abc/);\n     * // => false\n     */\n    function isFunction(value) {\n      if (!isObject(value)) {\n        return false;\n      }\n      // The use of `Object#toString` avoids issues with the `typeof` operator\n      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n      var tag = baseGetTag(value);\n      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n    }\n\n    /**\n     * Checks if `value` is an integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n     * @example\n     *\n     * _.isInteger(3);\n     * // => true\n     *\n     * _.isInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isInteger(Infinity);\n     * // => false\n     *\n     * _.isInteger('3');\n     * // => false\n     */\n    function isInteger(value) {\n      return typeof value == 'number' && value == toInteger(value);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like length.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n     * @example\n     *\n     * _.isLength(3);\n     * // => true\n     *\n     * _.isLength(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isLength(Infinity);\n     * // => false\n     *\n     * _.isLength('3');\n     * // => false\n     */\n    function isLength(value) {\n      return typeof value == 'number' &&\n        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is the\n     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n     * @example\n     *\n     * _.isObject({});\n     * // => true\n     *\n     * _.isObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isObject(_.noop);\n     * // => true\n     *\n     * _.isObject(null);\n     * // => false\n     */\n    function isObject(value) {\n      var type = typeof value;\n      return value != null && (type == 'object' || type == 'function');\n    }\n\n    /**\n     * Checks if `value` is object-like. A value is object-like if it's not `null`\n     * and has a `typeof` result of \"object\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n     * @example\n     *\n     * _.isObjectLike({});\n     * // => true\n     *\n     * _.isObjectLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isObjectLike(_.noop);\n     * // => false\n     *\n     * _.isObjectLike(null);\n     * // => false\n     */\n    function isObjectLike(value) {\n      return value != null && typeof value == 'object';\n    }\n\n    /**\n     * Checks if `value` is classified as a `Map` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     * @example\n     *\n     * _.isMap(new Map);\n     * // => true\n     *\n     * _.isMap(new WeakMap);\n     * // => false\n     */\n    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n    /**\n     * Performs a partial deep comparison between `object` and `source` to\n     * determine if `object` contains equivalent property values.\n     *\n     * **Note:** This method is equivalent to `_.matches` when `source` is\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.isMatch(object, { 'b': 2 });\n     * // => true\n     *\n     * _.isMatch(object, { 'b': 1 });\n     * // => false\n     */\n    function isMatch(object, source) {\n      return object === source || baseIsMatch(object, source, getMatchData(source));\n    }\n\n    /**\n     * This method is like `_.isMatch` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with five\n     * arguments: (objValue, srcValue, index|key, object, source).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var object = { 'greeting': 'hello' };\n     * var source = { 'greeting': 'hi' };\n     *\n     * _.isMatchWith(object, source, customizer);\n     * // => true\n     */\n    function isMatchWith(object, source, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseIsMatch(object, source, getMatchData(source), customizer);\n    }\n\n    /**\n     * Checks if `value` is `NaN`.\n     *\n     * **Note:** This method is based on\n     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n     * `undefined` and other non-number values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n     * @example\n     *\n     * _.isNaN(NaN);\n     * // => true\n     *\n     * _.isNaN(new Number(NaN));\n     * // => true\n     *\n     * isNaN(undefined);\n     * // => true\n     *\n     * _.isNaN(undefined);\n     * // => false\n     */\n    function isNaN(value) {\n      // An `NaN` primitive is the only value that is not equal to itself.\n      // Perform the `toStringTag` check first to avoid errors with some\n      // ActiveX objects in IE.\n      return isNumber(value) && value != +value;\n    }\n\n    /**\n     * Checks if `value` is a pristine native function.\n     *\n     * **Note:** This method can't reliably detect native functions in the presence\n     * of the core-js package because core-js circumvents this kind of detection.\n     * Despite multiple requests, the core-js maintainer has made it clear: any\n     * attempt to fix the detection will be obstructed. As a result, we're left\n     * with little choice but to throw an error. Unfortunately, this also affects\n     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n     * which rely on core-js.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     * @example\n     *\n     * _.isNative(Array.prototype.push);\n     * // => true\n     *\n     * _.isNative(_);\n     * // => false\n     */\n    function isNative(value) {\n      if (isMaskable(value)) {\n        throw new Error(CORE_ERROR_TEXT);\n      }\n      return baseIsNative(value);\n    }\n\n    /**\n     * Checks if `value` is `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n     * @example\n     *\n     * _.isNull(null);\n     * // => true\n     *\n     * _.isNull(void 0);\n     * // => false\n     */\n    function isNull(value) {\n      return value === null;\n    }\n\n    /**\n     * Checks if `value` is `null` or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n     * @example\n     *\n     * _.isNil(null);\n     * // => true\n     *\n     * _.isNil(void 0);\n     * // => true\n     *\n     * _.isNil(NaN);\n     * // => false\n     */\n    function isNil(value) {\n      return value == null;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Number` primitive or object.\n     *\n     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n     * classified as numbers, use the `_.isFinite` method.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n     * @example\n     *\n     * _.isNumber(3);\n     * // => true\n     *\n     * _.isNumber(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isNumber(Infinity);\n     * // => true\n     *\n     * _.isNumber('3');\n     * // => false\n     */\n    function isNumber(value) {\n      return typeof value == 'number' ||\n        (isObjectLike(value) && baseGetTag(value) == numberTag);\n    }\n\n    /**\n     * Checks if `value` is a plain object, that is, an object created by the\n     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.8.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * _.isPlainObject(new Foo);\n     * // => false\n     *\n     * _.isPlainObject([1, 2, 3]);\n     * // => false\n     *\n     * _.isPlainObject({ 'x': 0, 'y': 0 });\n     * // => true\n     *\n     * _.isPlainObject(Object.create(null));\n     * // => true\n     */\n    function isPlainObject(value) {\n      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n        return false;\n      }\n      var proto = getPrototype(value);\n      if (proto === null) {\n        return true;\n      }\n      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n        funcToString.call(Ctor) == objectCtorString;\n    }\n\n    /**\n     * Checks if `value` is classified as a `RegExp` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     * @example\n     *\n     * _.isRegExp(/abc/);\n     * // => true\n     *\n     * _.isRegExp('/abc/');\n     * // => false\n     */\n    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n    /**\n     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n     * double precision number which isn't the result of a rounded unsafe integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n     * @example\n     *\n     * _.isSafeInteger(3);\n     * // => true\n     *\n     * _.isSafeInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isSafeInteger(Infinity);\n     * // => false\n     *\n     * _.isSafeInteger('3');\n     * // => false\n     */\n    function isSafeInteger(value) {\n      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Set` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     * @example\n     *\n     * _.isSet(new Set);\n     * // => true\n     *\n     * _.isSet(new WeakSet);\n     * // => false\n     */\n    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n    /**\n     * Checks if `value` is classified as a `String` primitive or object.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n     * @example\n     *\n     * _.isString('abc');\n     * // => true\n     *\n     * _.isString(1);\n     * // => false\n     */\n    function isString(value) {\n      return typeof value == 'string' ||\n        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Symbol` primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n     * @example\n     *\n     * _.isSymbol(Symbol.iterator);\n     * // => true\n     *\n     * _.isSymbol('abc');\n     * // => false\n     */\n    function isSymbol(value) {\n      return typeof value == 'symbol' ||\n        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a typed array.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     * @example\n     *\n     * _.isTypedArray(new Uint8Array);\n     * // => true\n     *\n     * _.isTypedArray([]);\n     * // => false\n     */\n    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n    /**\n     * Checks if `value` is `undefined`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n     * @example\n     *\n     * _.isUndefined(void 0);\n     * // => true\n     *\n     * _.isUndefined(null);\n     * // => false\n     */\n    function isUndefined(value) {\n      return value === undefined;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakMap` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n     * @example\n     *\n     * _.isWeakMap(new WeakMap);\n     * // => true\n     *\n     * _.isWeakMap(new Map);\n     * // => false\n     */\n    function isWeakMap(value) {\n      return isObjectLike(value) && getTag(value) == weakMapTag;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakSet` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n     * @example\n     *\n     * _.isWeakSet(new WeakSet);\n     * // => true\n     *\n     * _.isWeakSet(new Set);\n     * // => false\n     */\n    function isWeakSet(value) {\n      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n    }\n\n    /**\n     * Checks if `value` is less than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     * @see _.gt\n     * @example\n     *\n     * _.lt(1, 3);\n     * // => true\n     *\n     * _.lt(3, 3);\n     * // => false\n     *\n     * _.lt(3, 1);\n     * // => false\n     */\n    var lt = createRelationalOperation(baseLt);\n\n    /**\n     * Checks if `value` is less than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than or equal to\n     *  `other`, else `false`.\n     * @see _.gte\n     * @example\n     *\n     * _.lte(1, 3);\n     * // => true\n     *\n     * _.lte(3, 3);\n     * // => true\n     *\n     * _.lte(3, 1);\n     * // => false\n     */\n    var lte = createRelationalOperation(function(value, other) {\n      return value <= other;\n    });\n\n    /**\n     * Converts `value` to an array.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the converted array.\n     * @example\n     *\n     * _.toArray({ 'a': 1, 'b': 2 });\n     * // => [1, 2]\n     *\n     * _.toArray('abc');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toArray(1);\n     * // => []\n     *\n     * _.toArray(null);\n     * // => []\n     */\n    function toArray(value) {\n      if (!value) {\n        return [];\n      }\n      if (isArrayLike(value)) {\n        return isString(value) ? stringToArray(value) : copyArray(value);\n      }\n      if (symIterator && value[symIterator]) {\n        return iteratorToArray(value[symIterator]());\n      }\n      var tag = getTag(value),\n          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n      return func(value);\n    }\n\n    /**\n     * Converts `value` to a finite number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.12.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted number.\n     * @example\n     *\n     * _.toFinite(3.2);\n     * // => 3.2\n     *\n     * _.toFinite(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toFinite(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toFinite('3.2');\n     * // => 3.2\n     */\n    function toFinite(value) {\n      if (!value) {\n        return value === 0 ? value : 0;\n      }\n      value = toNumber(value);\n      if (value === INFINITY || value === -INFINITY) {\n        var sign = (value < 0 ? -1 : 1);\n        return sign * MAX_INTEGER;\n      }\n      return value === value ? value : 0;\n    }\n\n    /**\n     * Converts `value` to an integer.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toInteger(3.2);\n     * // => 3\n     *\n     * _.toInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toInteger(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toInteger('3.2');\n     * // => 3\n     */\n    function toInteger(value) {\n      var result = toFinite(value),\n          remainder = result % 1;\n\n      return result === result ? (remainder ? result - remainder : result) : 0;\n    }\n\n    /**\n     * Converts `value` to an integer suitable for use as the length of an\n     * array-like object.\n     *\n     * **Note:** This method is based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toLength(3.2);\n     * // => 3\n     *\n     * _.toLength(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toLength(Infinity);\n     * // => 4294967295\n     *\n     * _.toLength('3.2');\n     * // => 3\n     */\n    function toLength(value) {\n      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n    }\n\n    /**\n     * Converts `value` to a number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     * @example\n     *\n     * _.toNumber(3.2);\n     * // => 3.2\n     *\n     * _.toNumber(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toNumber(Infinity);\n     * // => Infinity\n     *\n     * _.toNumber('3.2');\n     * // => 3.2\n     */\n    function toNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      if (isObject(value)) {\n        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n        value = isObject(other) ? (other + '') : other;\n      }\n      if (typeof value != 'string') {\n        return value === 0 ? value : +value;\n      }\n      value = value.replace(reTrim, '');\n      var isBinary = reIsBinary.test(value);\n      return (isBinary || reIsOctal.test(value))\n        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n        : (reIsBadHex.test(value) ? NAN : +value);\n    }\n\n    /**\n     * Converts `value` to a plain object flattening inherited enumerable string\n     * keyed properties of `value` to own properties of the plain object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Object} Returns the converted plain object.\n     * @example\n     *\n     * function Foo() {\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.assign({ 'a': 1 }, new Foo);\n     * // => { 'a': 1, 'b': 2 }\n     *\n     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n     * // => { 'a': 1, 'b': 2, 'c': 3 }\n     */\n    function toPlainObject(value) {\n      return copyObject(value, keysIn(value));\n    }\n\n    /**\n     * Converts `value` to a safe integer. A safe integer can be compared and\n     * represented correctly.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toSafeInteger(3.2);\n     * // => 3\n     *\n     * _.toSafeInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toSafeInteger(Infinity);\n     * // => 9007199254740991\n     *\n     * _.toSafeInteger('3.2');\n     * // => 3\n     */\n    function toSafeInteger(value) {\n      return value\n        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n        : (value === 0 ? value : 0);\n    }\n\n    /**\n     * Converts `value` to a string. An empty string is returned for `null`\n     * and `undefined` values. The sign of `-0` is preserved.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.toString(null);\n     * // => ''\n     *\n     * _.toString(-0);\n     * // => '-0'\n     *\n     * _.toString([1, 2, 3]);\n     * // => '1,2,3'\n     */\n    function toString(value) {\n      return value == null ? '' : baseToString(value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Assigns own enumerable string keyed properties of source objects to the\n     * destination object. Source objects are applied from left to right.\n     * Subsequent sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object` and is loosely based on\n     * [`Object.assign`](https://mdn.io/Object/assign).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assignIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assign({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var assign = createAssigner(function(object, source) {\n      if (isPrototype(source) || isArrayLike(source)) {\n        copyObject(source, keys(source), object);\n        return;\n      }\n      for (var key in source) {\n        if (hasOwnProperty.call(source, key)) {\n          assignValue(object, key, source[key]);\n        }\n      }\n    });\n\n    /**\n     * This method is like `_.assign` except that it iterates over own and\n     * inherited source properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extend\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assign\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n     */\n    var assignIn = createAssigner(function(object, source) {\n      copyObject(source, keysIn(source), object);\n    });\n\n    /**\n     * This method is like `_.assignIn` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extendWith\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignInWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keysIn(source), object, customizer);\n    });\n\n    /**\n     * This method is like `_.assign` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignInWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keys(source), object, customizer);\n    });\n\n    /**\n     * Creates an array of values corresponding to `paths` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Array} Returns the picked values.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _.at(object, ['a[0].b.c', 'a[1]']);\n     * // => [3, 4]\n     */\n    var at = flatRest(baseAt);\n\n    /**\n     * Creates an object that inherits from the `prototype` object. If a\n     * `properties` object is given, its own enumerable string keyed properties\n     * are assigned to the created object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Object\n     * @param {Object} prototype The object to inherit from.\n     * @param {Object} [properties] The properties to assign to the object.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * function Shape() {\n     *   this.x = 0;\n     *   this.y = 0;\n     * }\n     *\n     * function Circle() {\n     *   Shape.call(this);\n     * }\n     *\n     * Circle.prototype = _.create(Shape.prototype, {\n     *   'constructor': Circle\n     * });\n     *\n     * var circle = new Circle;\n     * circle instanceof Circle;\n     * // => true\n     *\n     * circle instanceof Shape;\n     * // => true\n     */\n    function create(prototype, properties) {\n      var result = baseCreate(prototype);\n      return properties == null ? result : baseAssign(result, properties);\n    }\n\n    /**\n     * Assigns own and inherited enumerable string keyed properties of source\n     * objects to the destination object for all destination properties that\n     * resolve to `undefined`. Source objects are applied from left to right.\n     * Once a property is set, additional values of the same property are ignored.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaultsDeep\n     * @example\n     *\n     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var defaults = baseRest(function(args) {\n      args.push(undefined, customDefaultsAssignIn);\n      return apply(assignInWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.defaults` except that it recursively assigns\n     * default properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaults\n     * @example\n     *\n     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n     * // => { 'a': { 'b': 2, 'c': 3 } }\n     */\n    var defaultsDeep = baseRest(function(args) {\n      args.push(undefined, customDefaultsMerge);\n      return apply(mergeWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.find` except that it returns the key of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findKey(users, function(o) { return o.age < 40; });\n     * // => 'barney' (iteration order is not guaranteed)\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findKey(users, { 'age': 1, 'active': true });\n     * // => 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findKey(users, 'active');\n     * // => 'barney'\n     */\n    function findKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n    }\n\n    /**\n     * This method is like `_.findKey` except that it iterates over elements of\n     * a collection in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findLastKey(users, function(o) { return o.age < 40; });\n     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastKey(users, { 'age': 36, 'active': true });\n     * // => 'barney'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastKey(users, 'active');\n     * // => 'pebbles'\n     */\n    function findLastKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n    }\n\n    /**\n     * Iterates over own and inherited enumerable string keyed properties of an\n     * object and invokes `iteratee` for each property. The iteratee is invoked\n     * with three arguments: (value, key, object). Iteratee functions may exit\n     * iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forInRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forIn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n     */\n    function forIn(object, iteratee) {\n      return object == null\n        ? object\n        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * This method is like `_.forIn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forInRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n     */\n    function forInRight(object, iteratee) {\n      return object == null\n        ? object\n        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * Iterates over own enumerable string keyed properties of an object and\n     * invokes `iteratee` for each property. The iteratee is invoked with three\n     * arguments: (value, key, object). Iteratee functions may exit iteration\n     * early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwnRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forOwn(object, iteratee) {\n      return object && baseForOwn(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forOwn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwnRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n     */\n    function forOwnRight(object, iteratee) {\n      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an array of function property names from own enumerable properties\n     * of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functionsIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functions(new Foo);\n     * // => ['a', 'b']\n     */\n    function functions(object) {\n      return object == null ? [] : baseFunctions(object, keys(object));\n    }\n\n    /**\n     * Creates an array of function property names from own and inherited\n     * enumerable properties of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functions\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functionsIn(new Foo);\n     * // => ['a', 'b', 'c']\n     */\n    function functionsIn(object) {\n      return object == null ? [] : baseFunctions(object, keysIn(object));\n    }\n\n    /**\n     * Gets the value at `path` of `object`. If the resolved value is\n     * `undefined`, the `defaultValue` is returned in its place.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.get(object, 'a[0].b.c');\n     * // => 3\n     *\n     * _.get(object, ['a', '0', 'b', 'c']);\n     * // => 3\n     *\n     * _.get(object, 'a.b.c', 'default');\n     * // => 'default'\n     */\n    function get(object, path, defaultValue) {\n      var result = object == null ? undefined : baseGet(object, path);\n      return result === undefined ? defaultValue : result;\n    }\n\n    /**\n     * Checks if `path` is a direct property of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = { 'a': { 'b': 2 } };\n     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.has(object, 'a');\n     * // => true\n     *\n     * _.has(object, 'a.b');\n     * // => true\n     *\n     * _.has(object, ['a', 'b']);\n     * // => true\n     *\n     * _.has(other, 'a');\n     * // => false\n     */\n    function has(object, path) {\n      return object != null && hasPath(object, path, baseHas);\n    }\n\n    /**\n     * Checks if `path` is a direct or inherited property of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.hasIn(object, 'a');\n     * // => true\n     *\n     * _.hasIn(object, 'a.b');\n     * // => true\n     *\n     * _.hasIn(object, ['a', 'b']);\n     * // => true\n     *\n     * _.hasIn(object, 'b');\n     * // => false\n     */\n    function hasIn(object, path) {\n      return object != null && hasPath(object, path, baseHasIn);\n    }\n\n    /**\n     * Creates an object composed of the inverted keys and values of `object`.\n     * If `object` contains duplicate values, subsequent values overwrite\n     * property assignments of previous values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invert(object);\n     * // => { '1': 'c', '2': 'b' }\n     */\n    var invert = createInverter(function(result, value, key) {\n      result[value] = key;\n    }, constant(identity));\n\n    /**\n     * This method is like `_.invert` except that the inverted object is generated\n     * from the results of running each element of `object` thru `iteratee`. The\n     * corresponding inverted value of each inverted key is an array of keys\n     * responsible for generating the inverted value. The iteratee is invoked\n     * with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invertBy(object);\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     *\n     * _.invertBy(object, function(value) {\n     *   return 'group' + value;\n     * });\n     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n     */\n    var invertBy = createInverter(function(result, value, key) {\n      if (hasOwnProperty.call(result, value)) {\n        result[value].push(key);\n      } else {\n        result[value] = [key];\n      }\n    }, getIteratee);\n\n    /**\n     * Invokes the method at `path` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n     *\n     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n     * // => [2, 3]\n     */\n    var invoke = baseRest(baseInvoke);\n\n    /**\n     * Creates an array of the own enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects. See the\n     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * for more details.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keys(new Foo);\n     * // => ['a', 'b'] (iteration order is not guaranteed)\n     *\n     * _.keys('hi');\n     * // => ['0', '1']\n     */\n    function keys(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keysIn(new Foo);\n     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n     */\n    function keysIn(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n    }\n\n    /**\n     * The opposite of `_.mapValues`; this method creates an object with the\n     * same values as `object` and keys generated by running each own enumerable\n     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n     * with three arguments: (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapValues\n     * @example\n     *\n     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   return key + value;\n     * });\n     * // => { 'a1': 1, 'b2': 2 }\n     */\n    function mapKeys(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, iteratee(value, key, object), value);\n      });\n      return result;\n    }\n\n    /**\n     * Creates an object with the same keys as `object` and values generated\n     * by running each own enumerable string keyed property of `object` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapKeys\n     * @example\n     *\n     * var users = {\n     *   'fred':    { 'user': 'fred',    'age': 40 },\n     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n     * };\n     *\n     * _.mapValues(users, function(o) { return o.age; });\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.mapValues(users, 'age');\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     */\n    function mapValues(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, key, iteratee(value, key, object));\n      });\n      return result;\n    }\n\n    /**\n     * This method is like `_.assign` except that it recursively merges own and\n     * inherited enumerable string keyed properties of source objects into the\n     * destination object. Source properties that resolve to `undefined` are\n     * skipped if a destination value exists. Array and plain object properties\n     * are merged recursively. Other objects and value types are overridden by\n     * assignment. Source objects are applied from left to right. Subsequent\n     * sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {\n     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n     * };\n     *\n     * var other = {\n     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n     * };\n     *\n     * _.merge(object, other);\n     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n     */\n    var merge = createAssigner(function(object, source, srcIndex) {\n      baseMerge(object, source, srcIndex);\n    });\n\n    /**\n     * This method is like `_.merge` except that it accepts `customizer` which\n     * is invoked to produce the merged values of the destination and source\n     * properties. If `customizer` returns `undefined`, merging is handled by the\n     * method instead. The `customizer` is invoked with six arguments:\n     * (objValue, srcValue, key, object, source, stack).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} customizer The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (_.isArray(objValue)) {\n     *     return objValue.concat(srcValue);\n     *   }\n     * }\n     *\n     * var object = { 'a': [1], 'b': [2] };\n     * var other = { 'a': [3], 'b': [4] };\n     *\n     * _.mergeWith(object, other, customizer);\n     * // => { 'a': [1, 3], 'b': [2, 4] }\n     */\n    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n      baseMerge(object, source, srcIndex, customizer);\n    });\n\n    /**\n     * The opposite of `_.pick`; this method creates an object composed of the\n     * own and inherited enumerable property paths of `object` that are not omitted.\n     *\n     * **Note:** This method is considerably slower than `_.pick`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to omit.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omit(object, ['a', 'c']);\n     * // => { 'b': '2' }\n     */\n    var omit = flatRest(function(object, paths) {\n      var result = {};\n      if (object == null) {\n        return result;\n      }\n      var isDeep = false;\n      paths = arrayMap(paths, function(path) {\n        path = castPath(path, object);\n        isDeep || (isDeep = path.length > 1);\n        return path;\n      });\n      copyObject(object, getAllKeysIn(object), result);\n      if (isDeep) {\n        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n      }\n      var length = paths.length;\n      while (length--) {\n        baseUnset(result, paths[length]);\n      }\n      return result;\n    });\n\n    /**\n     * The opposite of `_.pickBy`; this method creates an object composed of\n     * the own and inherited enumerable string keyed properties of `object` that\n     * `predicate` doesn't return truthy for. The predicate is invoked with two\n     * arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omitBy(object, _.isNumber);\n     * // => { 'b': '2' }\n     */\n    function omitBy(object, predicate) {\n      return pickBy(object, negate(getIteratee(predicate)));\n    }\n\n    /**\n     * Creates an object composed of the picked `object` properties.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pick(object, ['a', 'c']);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var pick = flatRest(function(object, paths) {\n      return object == null ? {} : basePick(object, paths);\n    });\n\n    /**\n     * Creates an object composed of the `object` properties `predicate` returns\n     * truthy for. The predicate is invoked with two arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pickBy(object, _.isNumber);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    function pickBy(object, predicate) {\n      if (object == null) {\n        return {};\n      }\n      var props = arrayMap(getAllKeysIn(object), function(prop) {\n        return [prop];\n      });\n      predicate = getIteratee(predicate);\n      return basePickBy(object, props, function(value, path) {\n        return predicate(value, path[0]);\n      });\n    }\n\n    /**\n     * This method is like `_.get` except that if the resolved value is a\n     * function it's invoked with the `this` binding of its parent object and\n     * its result is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to resolve.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n     *\n     * _.result(object, 'a[0].b.c1');\n     * // => 3\n     *\n     * _.result(object, 'a[0].b.c2');\n     * // => 4\n     *\n     * _.result(object, 'a[0].b.c3', 'default');\n     * // => 'default'\n     *\n     * _.result(object, 'a[0].b.c3', _.constant('default'));\n     * // => 'default'\n     */\n    function result(object, path, defaultValue) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length;\n\n      // Ensure the loop is entered when path is empty.\n      if (!length) {\n        length = 1;\n        object = undefined;\n      }\n      while (++index < length) {\n        var value = object == null ? undefined : object[toKey(path[index])];\n        if (value === undefined) {\n          index = length;\n          value = defaultValue;\n        }\n        object = isFunction(value) ? value.call(object) : value;\n      }\n      return object;\n    }\n\n    /**\n     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n     * it's created. Arrays are created for missing index properties while objects\n     * are created for all other missing properties. Use `_.setWith` to customize\n     * `path` creation.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.set(object, 'a[0].b.c', 4);\n     * console.log(object.a[0].b.c);\n     * // => 4\n     *\n     * _.set(object, ['x', '0', 'y', 'z'], 5);\n     * console.log(object.x[0].y.z);\n     * // => 5\n     */\n    function set(object, path, value) {\n      return object == null ? object : baseSet(object, path, value);\n    }\n\n    /**\n     * This method is like `_.set` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.setWith(object, '[0][1]', 'a', Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function setWith(object, path, value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseSet(object, path, value, customizer);\n    }\n\n    /**\n     * Creates an array of own enumerable string keyed-value pairs for `object`\n     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n     * entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entries\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairs(new Foo);\n     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n     */\n    var toPairs = createToPairs(keys);\n\n    /**\n     * Creates an array of own and inherited enumerable string keyed-value pairs\n     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n     * or set, its entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entriesIn\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairsIn(new Foo);\n     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n     */\n    var toPairsIn = createToPairs(keysIn);\n\n    /**\n     * An alternative to `_.reduce`; this method transforms `object` to a new\n     * `accumulator` object which is the result of running each of its own\n     * enumerable string keyed properties thru `iteratee`, with each invocation\n     * potentially mutating the `accumulator` object. If `accumulator` is not\n     * provided, a new object with the same `[[Prototype]]` will be used. The\n     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The custom accumulator value.\n     * @returns {*} Returns the accumulated value.\n     * @example\n     *\n     * _.transform([2, 3, 4], function(result, n) {\n     *   result.push(n *= n);\n     *   return n % 2 == 0;\n     * }, []);\n     * // => [4, 9]\n     *\n     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     */\n    function transform(object, iteratee, accumulator) {\n      var isArr = isArray(object),\n          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n      iteratee = getIteratee(iteratee, 4);\n      if (accumulator == null) {\n        var Ctor = object && object.constructor;\n        if (isArrLike) {\n          accumulator = isArr ? new Ctor : [];\n        }\n        else if (isObject(object)) {\n          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n        }\n        else {\n          accumulator = {};\n        }\n      }\n      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n        return iteratee(accumulator, value, index, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * Removes the property at `path` of `object`.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n     * _.unset(object, 'a[0].b.c');\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     *\n     * _.unset(object, ['a', '0', 'b', 'c']);\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     */\n    function unset(object, path) {\n      return object == null ? true : baseUnset(object, path);\n    }\n\n    /**\n     * This method is like `_.set` except that accepts `updater` to produce the\n     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n     * is invoked with one argument: (value).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n     * console.log(object.a[0].b.c);\n     * // => 9\n     *\n     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n     * console.log(object.x[0].y.z);\n     * // => 0\n     */\n    function update(object, path, updater) {\n      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n    }\n\n    /**\n     * This method is like `_.update` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function updateWith(object, path, updater, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n    }\n\n    /**\n     * Creates an array of the own enumerable string keyed property values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.values(new Foo);\n     * // => [1, 2] (iteration order is not guaranteed)\n     *\n     * _.values('hi');\n     * // => ['h', 'i']\n     */\n    function values(object) {\n      return object == null ? [] : baseValues(object, keys(object));\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable string keyed property\n     * values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.valuesIn(new Foo);\n     * // => [1, 2, 3] (iteration order is not guaranteed)\n     */\n    function valuesIn(object) {\n      return object == null ? [] : baseValues(object, keysIn(object));\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Number\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     * @example\n     *\n     * _.clamp(-10, -5, 5);\n     * // => -5\n     *\n     * _.clamp(10, -5, 5);\n     * // => 5\n     */\n    function clamp(number, lower, upper) {\n      if (upper === undefined) {\n        upper = lower;\n        lower = undefined;\n      }\n      if (upper !== undefined) {\n        upper = toNumber(upper);\n        upper = upper === upper ? upper : 0;\n      }\n      if (lower !== undefined) {\n        lower = toNumber(lower);\n        lower = lower === lower ? lower : 0;\n      }\n      return baseClamp(toNumber(number), lower, upper);\n    }\n\n    /**\n     * Checks if `n` is between `start` and up to, but not including, `end`. If\n     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n     * If `start` is greater than `end` the params are swapped to support\n     * negative ranges.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.3.0\n     * @category Number\n     * @param {number} number The number to check.\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     * @see _.range, _.rangeRight\n     * @example\n     *\n     * _.inRange(3, 2, 4);\n     * // => true\n     *\n     * _.inRange(4, 8);\n     * // => true\n     *\n     * _.inRange(4, 2);\n     * // => false\n     *\n     * _.inRange(2, 2);\n     * // => false\n     *\n     * _.inRange(1.2, 2);\n     * // => true\n     *\n     * _.inRange(5.2, 4);\n     * // => false\n     *\n     * _.inRange(-3, -2, -6);\n     * // => true\n     */\n    function inRange(number, start, end) {\n      start = toFinite(start);\n      if (end === undefined) {\n        end = start;\n        start = 0;\n      } else {\n        end = toFinite(end);\n      }\n      number = toNumber(number);\n      return baseInRange(number, start, end);\n    }\n\n    /**\n     * Produces a random number between the inclusive `lower` and `upper` bounds.\n     * If only one argument is provided a number between `0` and the given number\n     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n     * floats, a floating-point number is returned instead of an integer.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Number\n     * @param {number} [lower=0] The lower bound.\n     * @param {number} [upper=1] The upper bound.\n     * @param {boolean} [floating] Specify returning a floating-point number.\n     * @returns {number} Returns the random number.\n     * @example\n     *\n     * _.random(0, 5);\n     * // => an integer between 0 and 5\n     *\n     * _.random(5);\n     * // => also an integer between 0 and 5\n     *\n     * _.random(5, true);\n     * // => a floating-point number between 0 and 5\n     *\n     * _.random(1.2, 5.2);\n     * // => a floating-point number between 1.2 and 5.2\n     */\n    function random(lower, upper, floating) {\n      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n        upper = floating = undefined;\n      }\n      if (floating === undefined) {\n        if (typeof upper == 'boolean') {\n          floating = upper;\n          upper = undefined;\n        }\n        else if (typeof lower == 'boolean') {\n          floating = lower;\n          lower = undefined;\n        }\n      }\n      if (lower === undefined && upper === undefined) {\n        lower = 0;\n        upper = 1;\n      }\n      else {\n        lower = toFinite(lower);\n        if (upper === undefined) {\n          upper = lower;\n          lower = 0;\n        } else {\n          upper = toFinite(upper);\n        }\n      }\n      if (lower > upper) {\n        var temp = lower;\n        lower = upper;\n        upper = temp;\n      }\n      if (floating || lower % 1 || upper % 1) {\n        var rand = nativeRandom();\n        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n      }\n      return baseRandom(lower, upper);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the camel cased string.\n     * @example\n     *\n     * _.camelCase('Foo Bar');\n     * // => 'fooBar'\n     *\n     * _.camelCase('--foo-bar--');\n     * // => 'fooBar'\n     *\n     * _.camelCase('__FOO_BAR__');\n     * // => 'fooBar'\n     */\n    var camelCase = createCompounder(function(result, word, index) {\n      word = word.toLowerCase();\n      return result + (index ? capitalize(word) : word);\n    });\n\n    /**\n     * Converts the first character of `string` to upper case and the remaining\n     * to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to capitalize.\n     * @returns {string} Returns the capitalized string.\n     * @example\n     *\n     * _.capitalize('FRED');\n     * // => 'Fred'\n     */\n    function capitalize(string) {\n      return upperFirst(toString(string).toLowerCase());\n    }\n\n    /**\n     * Deburrs `string` by converting\n     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n     * letters to basic Latin letters and removing\n     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to deburr.\n     * @returns {string} Returns the deburred string.\n     * @example\n     *\n     * _.deburr('déjà vu');\n     * // => 'deja vu'\n     */\n    function deburr(string) {\n      string = toString(string);\n      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n    }\n\n    /**\n     * Checks if `string` ends with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=string.length] The position to search up to.\n     * @returns {boolean} Returns `true` if `string` ends with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.endsWith('abc', 'c');\n     * // => true\n     *\n     * _.endsWith('abc', 'b');\n     * // => false\n     *\n     * _.endsWith('abc', 'b', 2);\n     * // => true\n     */\n    function endsWith(string, target, position) {\n      string = toString(string);\n      target = baseToString(target);\n\n      var length = string.length;\n      position = position === undefined\n        ? length\n        : baseClamp(toInteger(position), 0, length);\n\n      var end = position;\n      position -= target.length;\n      return position >= 0 && string.slice(position, end) == target;\n    }\n\n    /**\n     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n     * corresponding HTML entities.\n     *\n     * **Note:** No other characters are escaped. To escape additional\n     * characters use a third-party library like [_he_](https://mths.be/he).\n     *\n     * Though the \">\" character is escaped for symmetry, characters like\n     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n     * unless they're part of a tag or unquoted attribute value. See\n     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n     * (under \"semi-related fun fact\") for more details.\n     *\n     * When working with HTML you should always\n     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n     * XSS vectors.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escape('fred, barney, & pebbles');\n     * // => 'fred, barney, &amp; pebbles'\n     */\n    function escape(string) {\n      string = toString(string);\n      return (string && reHasUnescapedHtml.test(string))\n        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escapeRegExp('[lodash](https://lodash.com/)');\n     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n     */\n    function escapeRegExp(string) {\n      string = toString(string);\n      return (string && reHasRegExpChar.test(string))\n        ? string.replace(reRegExpChar, '\\\\$&')\n        : string;\n    }\n\n    /**\n     * Converts `string` to\n     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the kebab cased string.\n     * @example\n     *\n     * _.kebabCase('Foo Bar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('fooBar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('__FOO_BAR__');\n     * // => 'foo-bar'\n     */\n    var kebabCase = createCompounder(function(result, word, index) {\n      return result + (index ? '-' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts `string`, as space separated words, to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.lowerCase('--Foo-Bar--');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('fooBar');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('__FOO_BAR__');\n     * // => 'foo bar'\n     */\n    var lowerCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts the first character of `string` to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.lowerFirst('Fred');\n     * // => 'fred'\n     *\n     * _.lowerFirst('FRED');\n     * // => 'fRED'\n     */\n    var lowerFirst = createCaseFirst('toLowerCase');\n\n    /**\n     * Pads `string` on the left and right sides if it's shorter than `length`.\n     * Padding characters are truncated if they can't be evenly divided by `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.pad('abc', 8);\n     * // => '  abc   '\n     *\n     * _.pad('abc', 8, '_-');\n     * // => '_-abc_-_'\n     *\n     * _.pad('abc', 3);\n     * // => 'abc'\n     */\n    function pad(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      if (!length || strLength >= length) {\n        return string;\n      }\n      var mid = (length - strLength) / 2;\n      return (\n        createPadding(nativeFloor(mid), chars) +\n        string +\n        createPadding(nativeCeil(mid), chars)\n      );\n    }\n\n    /**\n     * Pads `string` on the right side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padEnd('abc', 6);\n     * // => 'abc   '\n     *\n     * _.padEnd('abc', 6, '_-');\n     * // => 'abc_-_'\n     *\n     * _.padEnd('abc', 3);\n     * // => 'abc'\n     */\n    function padEnd(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (string + createPadding(length - strLength, chars))\n        : string;\n    }\n\n    /**\n     * Pads `string` on the left side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padStart('abc', 6);\n     * // => '   abc'\n     *\n     * _.padStart('abc', 6, '_-');\n     * // => '_-_abc'\n     *\n     * _.padStart('abc', 3);\n     * // => 'abc'\n     */\n    function padStart(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (createPadding(length - strLength, chars) + string)\n        : string;\n    }\n\n    /**\n     * Converts `string` to an integer of the specified radix. If `radix` is\n     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n     * hexadecimal, in which case a `radix` of `16` is used.\n     *\n     * **Note:** This method aligns with the\n     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category String\n     * @param {string} string The string to convert.\n     * @param {number} [radix=10] The radix to interpret `value` by.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.parseInt('08');\n     * // => 8\n     *\n     * _.map(['6', '08', '10'], _.parseInt);\n     * // => [6, 8, 10]\n     */\n    function parseInt(string, radix, guard) {\n      if (guard || radix == null) {\n        radix = 0;\n      } else if (radix) {\n        radix = +radix;\n      }\n      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n    }\n\n    /**\n     * Repeats the given string `n` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to repeat.\n     * @param {number} [n=1] The number of times to repeat the string.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the repeated string.\n     * @example\n     *\n     * _.repeat('*', 3);\n     * // => '***'\n     *\n     * _.repeat('abc', 2);\n     * // => 'abcabc'\n     *\n     * _.repeat('abc', 0);\n     * // => ''\n     */\n    function repeat(string, n, guard) {\n      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      return baseRepeat(toString(string), n);\n    }\n\n    /**\n     * Replaces matches for `pattern` in `string` with `replacement`.\n     *\n     * **Note:** This method is based on\n     * [`String#replace`](https://mdn.io/String/replace).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to modify.\n     * @param {RegExp|string} pattern The pattern to replace.\n     * @param {Function|string} replacement The match replacement.\n     * @returns {string} Returns the modified string.\n     * @example\n     *\n     * _.replace('Hi Fred', 'Fred', 'Barney');\n     * // => 'Hi Barney'\n     */\n    function replace() {\n      var args = arguments,\n          string = toString(args[0]);\n\n      return args.length < 3 ? string : string.replace(args[1], args[2]);\n    }\n\n    /**\n     * Converts `string` to\n     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the snake cased string.\n     * @example\n     *\n     * _.snakeCase('Foo Bar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('fooBar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('--FOO-BAR--');\n     * // => 'foo_bar'\n     */\n    var snakeCase = createCompounder(function(result, word, index) {\n      return result + (index ? '_' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Splits `string` by `separator`.\n     *\n     * **Note:** This method is based on\n     * [`String#split`](https://mdn.io/String/split).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to split.\n     * @param {RegExp|string} separator The separator pattern to split by.\n     * @param {number} [limit] The length to truncate results to.\n     * @returns {Array} Returns the string segments.\n     * @example\n     *\n     * _.split('a-b-c', '-', 2);\n     * // => ['a', 'b']\n     */\n    function split(string, separator, limit) {\n      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n        separator = limit = undefined;\n      }\n      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n      if (!limit) {\n        return [];\n      }\n      string = toString(string);\n      if (string && (\n            typeof separator == 'string' ||\n            (separator != null && !isRegExp(separator))\n          )) {\n        separator = baseToString(separator);\n        if (!separator && hasUnicode(string)) {\n          return castSlice(stringToArray(string), 0, limit);\n        }\n      }\n      return string.split(separator, limit);\n    }\n\n    /**\n     * Converts `string` to\n     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.1.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the start cased string.\n     * @example\n     *\n     * _.startCase('--foo-bar--');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('fooBar');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('__FOO_BAR__');\n     * // => 'FOO BAR'\n     */\n    var startCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + upperFirst(word);\n    });\n\n    /**\n     * Checks if `string` starts with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=0] The position to search from.\n     * @returns {boolean} Returns `true` if `string` starts with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.startsWith('abc', 'a');\n     * // => true\n     *\n     * _.startsWith('abc', 'b');\n     * // => false\n     *\n     * _.startsWith('abc', 'b', 1);\n     * // => true\n     */\n    function startsWith(string, target, position) {\n      string = toString(string);\n      position = position == null\n        ? 0\n        : baseClamp(toInteger(position), 0, string.length);\n\n      target = baseToString(target);\n      return string.slice(position, position + target.length) == target;\n    }\n\n    /**\n     * Creates a compiled template function that can interpolate data properties\n     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n     * properties may be accessed as free variables in the template. If a setting\n     * object is given, it takes precedence over `_.templateSettings` values.\n     *\n     * **Note:** In the development build `_.template` utilizes\n     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n     * for easier debugging.\n     *\n     * For more information on precompiling templates see\n     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n     *\n     * For more information on Chrome extension sandboxes see\n     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The template string.\n     * @param {Object} [options={}] The options object.\n     * @param {RegExp} [options.escape=_.templateSettings.escape]\n     *  The HTML \"escape\" delimiter.\n     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n     *  The \"evaluate\" delimiter.\n     * @param {Object} [options.imports=_.templateSettings.imports]\n     *  An object to import into the template as free variables.\n     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n     *  The \"interpolate\" delimiter.\n     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n     *  The sourceURL of the compiled template.\n     * @param {string} [options.variable='obj']\n     *  The data object variable name.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the compiled template function.\n     * @example\n     *\n     * // Use the \"interpolate\" delimiter to create a compiled template.\n     * var compiled = _.template('hello <%= user %>!');\n     * compiled({ 'user': 'fred' });\n     * // => 'hello fred!'\n     *\n     * // Use the HTML \"escape\" delimiter to escape data property values.\n     * var compiled = _.template('<b><%- value %></b>');\n     * compiled({ 'value': '<script>' });\n     * // => '<b>&lt;script&gt;</b>'\n     *\n     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the internal `print` function in \"evaluate\" delimiters.\n     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n     * compiled({ 'user': 'barney' });\n     * // => 'hello barney!'\n     *\n     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n     * // Disable support by replacing the \"interpolate\" delimiter.\n     * var compiled = _.template('hello ${ user }!');\n     * compiled({ 'user': 'pebbles' });\n     * // => 'hello pebbles!'\n     *\n     * // Use backslashes to treat delimiters as plain text.\n     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n     * compiled({ 'value': 'ignored' });\n     * // => '<%- value %>'\n     *\n     * // Use the `imports` option to import `jQuery` as `jq`.\n     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n     * compiled(data);\n     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n     *\n     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n     * compiled.source;\n     * // => function(data) {\n     * //   var __t, __p = '';\n     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n     * //   return __p;\n     * // }\n     *\n     * // Use custom template delimiters.\n     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n     * var compiled = _.template('hello {{ user }}!');\n     * compiled({ 'user': 'mustache' });\n     * // => 'hello mustache!'\n     *\n     * // Use the `source` property to inline compiled templates for meaningful\n     * // line numbers in error messages and stack traces.\n     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n     *   var JST = {\\\n     *     \"main\": ' + _.template(mainText).source + '\\\n     *   };\\\n     * ');\n     */\n    function template(string, options, guard) {\n      // Based on John Resig's `tmpl` implementation\n      // (http://ejohn.org/blog/javascript-micro-templating/)\n      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n      var settings = lodash.templateSettings;\n\n      if (guard && isIterateeCall(string, options, guard)) {\n        options = undefined;\n      }\n      string = toString(string);\n      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\n      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n          importsKeys = keys(imports),\n          importsValues = baseValues(imports, importsKeys);\n\n      var isEscaping,\n          isEvaluating,\n          index = 0,\n          interpolate = options.interpolate || reNoMatch,\n          source = \"__p += '\";\n\n      // Compile the regexp to match each delimiter.\n      var reDelimiters = RegExp(\n        (options.escape || reNoMatch).source + '|' +\n        interpolate.source + '|' +\n        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n        (options.evaluate || reNoMatch).source + '|$'\n      , 'g');\n\n      // Use a sourceURL for easier debugging.\n      var sourceURL = '//# sourceURL=' +\n        ('sourceURL' in options\n          ? options.sourceURL\n          : ('lodash.templateSources[' + (++templateCounter) + ']')\n        ) + '\\n';\n\n      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n        interpolateValue || (interpolateValue = esTemplateValue);\n\n        // Escape characters that can't be included in string literals.\n        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\n        // Replace delimiters with snippets.\n        if (escapeValue) {\n          isEscaping = true;\n          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n        }\n        if (evaluateValue) {\n          isEvaluating = true;\n          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n        }\n        if (interpolateValue) {\n          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n        }\n        index = offset + match.length;\n\n        // The JS engine embedded in Adobe products needs `match` returned in\n        // order to produce the correct `offset` value.\n        return match;\n      });\n\n      source += \"';\\n\";\n\n      // If `variable` is not specified wrap a with-statement around the generated\n      // code to add the data object to the top of the scope chain.\n      var variable = options.variable;\n      if (!variable) {\n        source = 'with (obj) {\\n' + source + '\\n}\\n';\n      }\n      // Cleanup code by stripping empty strings.\n      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n        .replace(reEmptyStringMiddle, '$1')\n        .replace(reEmptyStringTrailing, '$1;');\n\n      // Frame code as the function body.\n      source = 'function(' + (variable || 'obj') + ') {\\n' +\n        (variable\n          ? ''\n          : 'obj || (obj = {});\\n'\n        ) +\n        \"var __t, __p = ''\" +\n        (isEscaping\n           ? ', __e = _.escape'\n           : ''\n        ) +\n        (isEvaluating\n          ? ', __j = Array.prototype.join;\\n' +\n            \"function print() { __p += __j.call(arguments, '') }\\n\"\n          : ';\\n'\n        ) +\n        source +\n        'return __p\\n}';\n\n      var result = attempt(function() {\n        return Function(importsKeys, sourceURL + 'return ' + source)\n          .apply(undefined, importsValues);\n      });\n\n      // Provide the compiled function's source by its `toString` method or\n      // the `source` property as a convenience for inlining compiled templates.\n      result.source = source;\n      if (isError(result)) {\n        throw result;\n      }\n      return result;\n    }\n\n    /**\n     * Converts `string`, as a whole, to lower case just like\n     * [String#toLowerCase](https://mdn.io/toLowerCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.toLower('--Foo-Bar--');\n     * // => '--foo-bar--'\n     *\n     * _.toLower('fooBar');\n     * // => 'foobar'\n     *\n     * _.toLower('__FOO_BAR__');\n     * // => '__foo_bar__'\n     */\n    function toLower(value) {\n      return toString(value).toLowerCase();\n    }\n\n    /**\n     * Converts `string`, as a whole, to upper case just like\n     * [String#toUpperCase](https://mdn.io/toUpperCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.toUpper('--foo-bar--');\n     * // => '--FOO-BAR--'\n     *\n     * _.toUpper('fooBar');\n     * // => 'FOOBAR'\n     *\n     * _.toUpper('__foo_bar__');\n     * // => '__FOO_BAR__'\n     */\n    function toUpper(value) {\n      return toString(value).toUpperCase();\n    }\n\n    /**\n     * Removes leading and trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trim('  abc  ');\n     * // => 'abc'\n     *\n     * _.trim('-_-abc-_-', '_-');\n     * // => 'abc'\n     *\n     * _.map(['  foo  ', '  bar  '], _.trim);\n     * // => ['foo', 'bar']\n     */\n    function trim(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrim, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          chrSymbols = stringToArray(chars),\n          start = charsStartIndex(strSymbols, chrSymbols),\n          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\n      return castSlice(strSymbols, start, end).join('');\n    }\n\n    /**\n     * Removes trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimEnd('  abc  ');\n     * // => '  abc'\n     *\n     * _.trimEnd('-_-abc-_-', '_-');\n     * // => '-_-abc'\n     */\n    function trimEnd(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimEnd, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\n      return castSlice(strSymbols, 0, end).join('');\n    }\n\n    /**\n     * Removes leading whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimStart('  abc  ');\n     * // => 'abc  '\n     *\n     * _.trimStart('-_-abc-_-', '_-');\n     * // => 'abc-_-'\n     */\n    function trimStart(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimStart, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          start = charsStartIndex(strSymbols, stringToArray(chars));\n\n      return castSlice(strSymbols, start).join('');\n    }\n\n    /**\n     * Truncates `string` if it's longer than the given maximum string length.\n     * The last characters of the truncated string are replaced with the omission\n     * string which defaults to \"...\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to truncate.\n     * @param {Object} [options={}] The options object.\n     * @param {number} [options.length=30] The maximum string length.\n     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n     * @returns {string} Returns the truncated string.\n     * @example\n     *\n     * _.truncate('hi-diddly-ho there, neighborino');\n     * // => 'hi-diddly-ho there, neighbo...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': ' '\n     * });\n     * // => 'hi-diddly-ho there,...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': /,? +/\n     * });\n     * // => 'hi-diddly-ho there...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'omission': ' [...]'\n     * });\n     * // => 'hi-diddly-ho there, neig [...]'\n     */\n    function truncate(string, options) {\n      var length = DEFAULT_TRUNC_LENGTH,\n          omission = DEFAULT_TRUNC_OMISSION;\n\n      if (isObject(options)) {\n        var separator = 'separator' in options ? options.separator : separator;\n        length = 'length' in options ? toInteger(options.length) : length;\n        omission = 'omission' in options ? baseToString(options.omission) : omission;\n      }\n      string = toString(string);\n\n      var strLength = string.length;\n      if (hasUnicode(string)) {\n        var strSymbols = stringToArray(string);\n        strLength = strSymbols.length;\n      }\n      if (length >= strLength) {\n        return string;\n      }\n      var end = length - stringSize(omission);\n      if (end < 1) {\n        return omission;\n      }\n      var result = strSymbols\n        ? castSlice(strSymbols, 0, end).join('')\n        : string.slice(0, end);\n\n      if (separator === undefined) {\n        return result + omission;\n      }\n      if (strSymbols) {\n        end += (result.length - end);\n      }\n      if (isRegExp(separator)) {\n        if (string.slice(end).search(separator)) {\n          var match,\n              substring = result;\n\n          if (!separator.global) {\n            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n          }\n          separator.lastIndex = 0;\n          while ((match = separator.exec(substring))) {\n            var newEnd = match.index;\n          }\n          result = result.slice(0, newEnd === undefined ? end : newEnd);\n        }\n      } else if (string.indexOf(baseToString(separator), end) != end) {\n        var index = result.lastIndexOf(separator);\n        if (index > -1) {\n          result = result.slice(0, index);\n        }\n      }\n      return result + omission;\n    }\n\n    /**\n     * The inverse of `_.escape`; this method converts the HTML entities\n     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n     * their corresponding characters.\n     *\n     * **Note:** No other HTML entities are unescaped. To unescape additional\n     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.6.0\n     * @category String\n     * @param {string} [string=''] The string to unescape.\n     * @returns {string} Returns the unescaped string.\n     * @example\n     *\n     * _.unescape('fred, barney, &amp; pebbles');\n     * // => 'fred, barney, & pebbles'\n     */\n    function unescape(string) {\n      string = toString(string);\n      return (string && reHasEscapedHtml.test(string))\n        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Converts `string`, as space separated words, to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.upperCase('--foo-bar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('fooBar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('__foo_bar__');\n     * // => 'FOO BAR'\n     */\n    var upperCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toUpperCase();\n    });\n\n    /**\n     * Converts the first character of `string` to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.upperFirst('fred');\n     * // => 'Fred'\n     *\n     * _.upperFirst('FRED');\n     * // => 'FRED'\n     */\n    var upperFirst = createCaseFirst('toUpperCase');\n\n    /**\n     * Splits `string` into an array of its words.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {RegExp|string} [pattern] The pattern to match words.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the words of `string`.\n     * @example\n     *\n     * _.words('fred, barney, & pebbles');\n     * // => ['fred', 'barney', 'pebbles']\n     *\n     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n     * // => ['fred', 'barney', '&', 'pebbles']\n     */\n    function words(string, pattern, guard) {\n      string = toString(string);\n      pattern = guard ? undefined : pattern;\n\n      if (pattern === undefined) {\n        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n      }\n      return string.match(pattern) || [];\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Attempts to invoke `func`, returning either the result or the caught error\n     * object. Any additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Function} func The function to attempt.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {*} Returns the `func` result or error object.\n     * @example\n     *\n     * // Avoid throwing errors for invalid selectors.\n     * var elements = _.attempt(function(selector) {\n     *   return document.querySelectorAll(selector);\n     * }, '>_>');\n     *\n     * if (_.isError(elements)) {\n     *   elements = [];\n     * }\n     */\n    var attempt = baseRest(function(func, args) {\n      try {\n        return apply(func, undefined, args);\n      } catch (e) {\n        return isError(e) ? e : new Error(e);\n      }\n    });\n\n    /**\n     * Binds methods of an object to the object itself, overwriting the existing\n     * method.\n     *\n     * **Note:** This method doesn't set the \"length\" property of bound functions.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Object} object The object to bind and assign the bound methods to.\n     * @param {...(string|string[])} methodNames The object method names to bind.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var view = {\n     *   'label': 'docs',\n     *   'click': function() {\n     *     console.log('clicked ' + this.label);\n     *   }\n     * };\n     *\n     * _.bindAll(view, ['click']);\n     * jQuery(element).on('click', view.click);\n     * // => Logs 'clicked docs' when clicked.\n     */\n    var bindAll = flatRest(function(object, methodNames) {\n      arrayEach(methodNames, function(key) {\n        key = toKey(key);\n        baseAssignValue(object, key, bind(object[key], object));\n      });\n      return object;\n    });\n\n    /**\n     * Creates a function that iterates over `pairs` and invokes the corresponding\n     * function of the first predicate to return truthy. The predicate-function\n     * pairs are invoked with the `this` binding and arguments of the created\n     * function.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Array} pairs The predicate-function pairs.\n     * @returns {Function} Returns the new composite function.\n     * @example\n     *\n     * var func = _.cond([\n     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n     *   [_.stubTrue,                      _.constant('no match')]\n     * ]);\n     *\n     * func({ 'a': 1, 'b': 2 });\n     * // => 'matches A'\n     *\n     * func({ 'a': 0, 'b': 1 });\n     * // => 'matches B'\n     *\n     * func({ 'a': '1', 'b': '2' });\n     * // => 'no match'\n     */\n    function cond(pairs) {\n      var length = pairs == null ? 0 : pairs.length,\n          toIteratee = getIteratee();\n\n      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n        if (typeof pair[1] != 'function') {\n          throw new TypeError(FUNC_ERROR_TEXT);\n        }\n        return [toIteratee(pair[0]), pair[1]];\n      });\n\n      return baseRest(function(args) {\n        var index = -1;\n        while (++index < length) {\n          var pair = pairs[index];\n          if (apply(pair[0], this, args)) {\n            return apply(pair[1], this, args);\n          }\n        }\n      });\n    }\n\n    /**\n     * Creates a function that invokes the predicate properties of `source` with\n     * the corresponding property values of a given object, returning `true` if\n     * all predicates return truthy, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.conformsTo` with\n     * `source` partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 2, 'b': 1 },\n     *   { 'a': 1, 'b': 2 }\n     * ];\n     *\n     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n     * // => [{ 'a': 1, 'b': 2 }]\n     */\n    function conforms(source) {\n      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that returns `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {*} value The value to return from the new function.\n     * @returns {Function} Returns the new constant function.\n     * @example\n     *\n     * var objects = _.times(2, _.constant({ 'a': 1 }));\n     *\n     * console.log(objects);\n     * // => [{ 'a': 1 }, { 'a': 1 }]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => true\n     */\n    function constant(value) {\n      return function() {\n        return value;\n      };\n    }\n\n    /**\n     * Checks `value` to determine whether a default value should be returned in\n     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n     * or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Util\n     * @param {*} value The value to check.\n     * @param {*} defaultValue The default value.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * _.defaultTo(1, 10);\n     * // => 1\n     *\n     * _.defaultTo(undefined, 10);\n     * // => 10\n     */\n    function defaultTo(value, defaultValue) {\n      return (value == null || value !== value) ? defaultValue : value;\n    }\n\n    /**\n     * Creates a function that returns the result of invoking the given functions\n     * with the `this` binding of the created function, where each successive\n     * invocation is supplied the return value of the previous.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flowRight\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flow([_.add, square]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flow = createFlow();\n\n    /**\n     * This method is like `_.flow` except that it creates a function that\n     * invokes the given functions from right to left.\n     *\n     * @static\n     * @since 3.0.0\n     * @memberOf _\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flow\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flowRight([square, _.add]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flowRight = createFlow(true);\n\n    /**\n     * This method returns the first argument it receives.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {*} value Any value.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     *\n     * console.log(_.identity(object) === object);\n     * // => true\n     */\n    function identity(value) {\n      return value;\n    }\n\n    /**\n     * Creates a function that invokes `func` with the arguments of the created\n     * function. If `func` is a property name, the created function returns the\n     * property value for a given element. If `func` is an array or object, the\n     * created function returns `true` for elements that contain the equivalent\n     * source properties, otherwise it returns `false`.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Util\n     * @param {*} [func=_.identity] The value to convert to a callback.\n     * @returns {Function} Returns the callback.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, _.iteratee(['user', 'fred']));\n     * // => [{ 'user': 'fred', 'age': 40 }]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, _.iteratee('user'));\n     * // => ['barney', 'fred']\n     *\n     * // Create custom iteratee shorthands.\n     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n     *     return func.test(string);\n     *   };\n     * });\n     *\n     * _.filter(['abc', 'def'], /ef/);\n     * // => ['def']\n     */\n    function iteratee(func) {\n      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between a given\n     * object and `source`, returning `true` if the given object has equivalent\n     * property values, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n     */\n    function matches(source) {\n      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between the\n     * value at `path` of a given object to `srcValue`, returning `true` if the\n     * object value is equivalent, else `false`.\n     *\n     * **Note:** Partial comparisons will match empty array and empty object\n     * `srcValue` values against any array or object value, respectively. See\n     * `_.isEqual` for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.find(objects, _.matchesProperty('a', 4));\n     * // => { 'a': 4, 'b': 5, 'c': 6 }\n     */\n    function matchesProperty(path, srcValue) {\n      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that invokes the method at `path` of a given object.\n     * Any additional arguments are provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': _.constant(2) } },\n     *   { 'a': { 'b': _.constant(1) } }\n     * ];\n     *\n     * _.map(objects, _.method('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(objects, _.method(['a', 'b']));\n     * // => [2, 1]\n     */\n    var method = baseRest(function(path, args) {\n      return function(object) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * The opposite of `_.method`; this method creates a function that invokes\n     * the method at a given path of `object`. Any additional arguments are\n     * provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var array = _.times(3, _.constant),\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n     * // => [2, 0]\n     */\n    var methodOf = baseRest(function(object, args) {\n      return function(path) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * Adds all own enumerable string keyed function properties of a source\n     * object to the destination object. If `object` is a function, then methods\n     * are added to its prototype as well.\n     *\n     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n     * avoid conflicts caused by modifying the original.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Function|Object} [object=lodash] The destination object.\n     * @param {Object} source The object of functions to add.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n     * @returns {Function|Object} Returns `object`.\n     * @example\n     *\n     * function vowels(string) {\n     *   return _.filter(string, function(v) {\n     *     return /[aeiou]/i.test(v);\n     *   });\n     * }\n     *\n     * _.mixin({ 'vowels': vowels });\n     * _.vowels('fred');\n     * // => ['e']\n     *\n     * _('fred').vowels().value();\n     * // => ['e']\n     *\n     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n     * _('fred').vowels();\n     * // => ['e']\n     */\n    function mixin(object, source, options) {\n      var props = keys(source),\n          methodNames = baseFunctions(source, props);\n\n      if (options == null &&\n          !(isObject(source) && (methodNames.length || !props.length))) {\n        options = source;\n        source = object;\n        object = this;\n        methodNames = baseFunctions(source, keys(source));\n      }\n      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n          isFunc = isFunction(object);\n\n      arrayEach(methodNames, function(methodName) {\n        var func = source[methodName];\n        object[methodName] = func;\n        if (isFunc) {\n          object.prototype[methodName] = function() {\n            var chainAll = this.__chain__;\n            if (chain || chainAll) {\n              var result = object(this.__wrapped__),\n                  actions = result.__actions__ = copyArray(this.__actions__);\n\n              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n              result.__chain__ = chainAll;\n              return result;\n            }\n            return func.apply(object, arrayPush([this.value()], arguments));\n          };\n        }\n      });\n\n      return object;\n    }\n\n    /**\n     * Reverts the `_` variable to its previous value and returns a reference to\n     * the `lodash` function.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @returns {Function} Returns the `lodash` function.\n     * @example\n     *\n     * var lodash = _.noConflict();\n     */\n    function noConflict() {\n      if (root._ === this) {\n        root._ = oldDash;\n      }\n      return this;\n    }\n\n    /**\n     * This method returns `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Util\n     * @example\n     *\n     * _.times(2, _.noop);\n     * // => [undefined, undefined]\n     */\n    function noop() {\n      // No operation performed.\n    }\n\n    /**\n     * Creates a function that gets the argument at index `n`. If `n` is negative,\n     * the nth argument from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [n=0] The index of the argument to return.\n     * @returns {Function} Returns the new pass-thru function.\n     * @example\n     *\n     * var func = _.nthArg(1);\n     * func('a', 'b', 'c', 'd');\n     * // => 'b'\n     *\n     * var func = _.nthArg(-2);\n     * func('a', 'b', 'c', 'd');\n     * // => 'c'\n     */\n    function nthArg(n) {\n      n = toInteger(n);\n      return baseRest(function(args) {\n        return baseNth(args, n);\n      });\n    }\n\n    /**\n     * Creates a function that invokes `iteratees` with the arguments it receives\n     * and returns their results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to invoke.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.over([Math.max, Math.min]);\n     *\n     * func(1, 2, 3, 4);\n     * // => [4, 1]\n     */\n    var over = createOver(arrayMap);\n\n    /**\n     * Creates a function that checks if **all** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overEvery([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => false\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overEvery = createOver(arrayEvery);\n\n    /**\n     * Creates a function that checks if **any** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overSome([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => true\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overSome = createOver(arraySome);\n\n    /**\n     * Creates a function that returns the value at `path` of a given object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': 2 } },\n     *   { 'a': { 'b': 1 } }\n     * ];\n     *\n     * _.map(objects, _.property('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n     * // => [1, 2]\n     */\n    function property(path) {\n      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n    }\n\n    /**\n     * The opposite of `_.property`; this method creates a function that returns\n     * the value at a given path of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var array = [0, 1, 2],\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n     * // => [2, 0]\n     */\n    function propertyOf(object) {\n      return function(path) {\n        return object == null ? undefined : baseGet(object, path);\n      };\n    }\n\n    /**\n     * Creates an array of numbers (positive and/or negative) progressing from\n     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n     * `start` is specified without an `end` or `step`. If `end` is not specified,\n     * it's set to `start` with `start` then set to `0`.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.rangeRight\n     * @example\n     *\n     * _.range(4);\n     * // => [0, 1, 2, 3]\n     *\n     * _.range(-4);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 5);\n     * // => [1, 2, 3, 4]\n     *\n     * _.range(0, 20, 5);\n     * // => [0, 5, 10, 15]\n     *\n     * _.range(0, -4, -1);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.range(0);\n     * // => []\n     */\n    var range = createRange();\n\n    /**\n     * This method is like `_.range` except that it populates values in\n     * descending order.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.range\n     * @example\n     *\n     * _.rangeRight(4);\n     * // => [3, 2, 1, 0]\n     *\n     * _.rangeRight(-4);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 5);\n     * // => [4, 3, 2, 1]\n     *\n     * _.rangeRight(0, 20, 5);\n     * // => [15, 10, 5, 0]\n     *\n     * _.rangeRight(0, -4, -1);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.rangeRight(0);\n     * // => []\n     */\n    var rangeRight = createRange(true);\n\n    /**\n     * This method returns a new empty array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Array} Returns the new empty array.\n     * @example\n     *\n     * var arrays = _.times(2, _.stubArray);\n     *\n     * console.log(arrays);\n     * // => [[], []]\n     *\n     * console.log(arrays[0] === arrays[1]);\n     * // => false\n     */\n    function stubArray() {\n      return [];\n    }\n\n    /**\n     * This method returns `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `false`.\n     * @example\n     *\n     * _.times(2, _.stubFalse);\n     * // => [false, false]\n     */\n    function stubFalse() {\n      return false;\n    }\n\n    /**\n     * This method returns a new empty object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Object} Returns the new empty object.\n     * @example\n     *\n     * var objects = _.times(2, _.stubObject);\n     *\n     * console.log(objects);\n     * // => [{}, {}]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => false\n     */\n    function stubObject() {\n      return {};\n    }\n\n    /**\n     * This method returns an empty string.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {string} Returns the empty string.\n     * @example\n     *\n     * _.times(2, _.stubString);\n     * // => ['', '']\n     */\n    function stubString() {\n      return '';\n    }\n\n    /**\n     * This method returns `true`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `true`.\n     * @example\n     *\n     * _.times(2, _.stubTrue);\n     * // => [true, true]\n     */\n    function stubTrue() {\n      return true;\n    }\n\n    /**\n     * Invokes the iteratee `n` times, returning an array of the results of\n     * each invocation. The iteratee is invoked with one argument; (index).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} n The number of times to invoke `iteratee`.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.times(3, String);\n     * // => ['0', '1', '2']\n     *\n     *  _.times(4, _.constant(0));\n     * // => [0, 0, 0, 0]\n     */\n    function times(n, iteratee) {\n      n = toInteger(n);\n      if (n < 1 || n > MAX_SAFE_INTEGER) {\n        return [];\n      }\n      var index = MAX_ARRAY_LENGTH,\n          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\n      iteratee = getIteratee(iteratee);\n      n -= MAX_ARRAY_LENGTH;\n\n      var result = baseTimes(length, iteratee);\n      while (++index < n) {\n        iteratee(index);\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a property path array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the new property path array.\n     * @example\n     *\n     * _.toPath('a.b.c');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toPath('a[0].b.c');\n     * // => ['a', '0', 'b', 'c']\n     */\n    function toPath(value) {\n      if (isArray(value)) {\n        return arrayMap(value, toKey);\n      }\n      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n    }\n\n    /**\n     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {string} [prefix=''] The value to prefix the ID with.\n     * @returns {string} Returns the unique ID.\n     * @example\n     *\n     * _.uniqueId('contact_');\n     * // => 'contact_104'\n     *\n     * _.uniqueId();\n     * // => '105'\n     */\n    function uniqueId(prefix) {\n      var id = ++idCounter;\n      return toString(prefix) + id;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Adds two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {number} augend The first number in an addition.\n     * @param {number} addend The second number in an addition.\n     * @returns {number} Returns the total.\n     * @example\n     *\n     * _.add(6, 4);\n     * // => 10\n     */\n    var add = createMathOperation(function(augend, addend) {\n      return augend + addend;\n    }, 0);\n\n    /**\n     * Computes `number` rounded up to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round up.\n     * @param {number} [precision=0] The precision to round up to.\n     * @returns {number} Returns the rounded up number.\n     * @example\n     *\n     * _.ceil(4.006);\n     * // => 5\n     *\n     * _.ceil(6.004, 2);\n     * // => 6.01\n     *\n     * _.ceil(6040, -2);\n     * // => 6100\n     */\n    var ceil = createRound('ceil');\n\n    /**\n     * Divide two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} dividend The first number in a division.\n     * @param {number} divisor The second number in a division.\n     * @returns {number} Returns the quotient.\n     * @example\n     *\n     * _.divide(6, 4);\n     * // => 1.5\n     */\n    var divide = createMathOperation(function(dividend, divisor) {\n      return dividend / divisor;\n    }, 1);\n\n    /**\n     * Computes `number` rounded down to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round down.\n     * @param {number} [precision=0] The precision to round down to.\n     * @returns {number} Returns the rounded down number.\n     * @example\n     *\n     * _.floor(4.006);\n     * // => 4\n     *\n     * _.floor(0.046, 2);\n     * // => 0.04\n     *\n     * _.floor(4060, -2);\n     * // => 4000\n     */\n    var floor = createRound('floor');\n\n    /**\n     * Computes the maximum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * _.max([4, 2, 8, 6]);\n     * // => 8\n     *\n     * _.max([]);\n     * // => undefined\n     */\n    function max(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseGt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.max` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.maxBy(objects, function(o) { return o.n; });\n     * // => { 'n': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.maxBy(objects, 'n');\n     * // => { 'n': 2 }\n     */\n    function maxBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n        : undefined;\n    }\n\n    /**\n     * Computes the mean of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * _.mean([4, 2, 8, 6]);\n     * // => 5\n     */\n    function mean(array) {\n      return baseMean(array, identity);\n    }\n\n    /**\n     * This method is like `_.mean` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be averaged.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.meanBy(objects, function(o) { return o.n; });\n     * // => 5\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.meanBy(objects, 'n');\n     * // => 5\n     */\n    function meanBy(array, iteratee) {\n      return baseMean(array, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * Computes the minimum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * _.min([4, 2, 8, 6]);\n     * // => 2\n     *\n     * _.min([]);\n     * // => undefined\n     */\n    function min(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseLt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.min` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.minBy(objects, function(o) { return o.n; });\n     * // => { 'n': 1 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.minBy(objects, 'n');\n     * // => { 'n': 1 }\n     */\n    function minBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n        : undefined;\n    }\n\n    /**\n     * Multiply two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} multiplier The first number in a multiplication.\n     * @param {number} multiplicand The second number in a multiplication.\n     * @returns {number} Returns the product.\n     * @example\n     *\n     * _.multiply(6, 4);\n     * // => 24\n     */\n    var multiply = createMathOperation(function(multiplier, multiplicand) {\n      return multiplier * multiplicand;\n    }, 1);\n\n    /**\n     * Computes `number` rounded to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round.\n     * @param {number} [precision=0] The precision to round to.\n     * @returns {number} Returns the rounded number.\n     * @example\n     *\n     * _.round(4.006);\n     * // => 4\n     *\n     * _.round(4.006, 2);\n     * // => 4.01\n     *\n     * _.round(4060, -2);\n     * // => 4100\n     */\n    var round = createRound('round');\n\n    /**\n     * Subtract two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {number} minuend The first number in a subtraction.\n     * @param {number} subtrahend The second number in a subtraction.\n     * @returns {number} Returns the difference.\n     * @example\n     *\n     * _.subtract(6, 4);\n     * // => 2\n     */\n    var subtract = createMathOperation(function(minuend, subtrahend) {\n      return minuend - subtrahend;\n    }, 0);\n\n    /**\n     * Computes the sum of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * _.sum([4, 2, 8, 6]);\n     * // => 20\n     */\n    function sum(array) {\n      return (array && array.length)\n        ? baseSum(array, identity)\n        : 0;\n    }\n\n    /**\n     * This method is like `_.sum` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be summed.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.sumBy(objects, function(o) { return o.n; });\n     * // => 20\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sumBy(objects, 'n');\n     * // => 20\n     */\n    function sumBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSum(array, getIteratee(iteratee, 2))\n        : 0;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return wrapped values in chain sequences.\n    lodash.after = after;\n    lodash.ary = ary;\n    lodash.assign = assign;\n    lodash.assignIn = assignIn;\n    lodash.assignInWith = assignInWith;\n    lodash.assignWith = assignWith;\n    lodash.at = at;\n    lodash.before = before;\n    lodash.bind = bind;\n    lodash.bindAll = bindAll;\n    lodash.bindKey = bindKey;\n    lodash.castArray = castArray;\n    lodash.chain = chain;\n    lodash.chunk = chunk;\n    lodash.compact = compact;\n    lodash.concat = concat;\n    lodash.cond = cond;\n    lodash.conforms = conforms;\n    lodash.constant = constant;\n    lodash.countBy = countBy;\n    lodash.create = create;\n    lodash.curry = curry;\n    lodash.curryRight = curryRight;\n    lodash.debounce = debounce;\n    lodash.defaults = defaults;\n    lodash.defaultsDeep = defaultsDeep;\n    lodash.defer = defer;\n    lodash.delay = delay;\n    lodash.difference = difference;\n    lodash.differenceBy = differenceBy;\n    lodash.differenceWith = differenceWith;\n    lodash.drop = drop;\n    lodash.dropRight = dropRight;\n    lodash.dropRightWhile = dropRightWhile;\n    lodash.dropWhile = dropWhile;\n    lodash.fill = fill;\n    lodash.filter = filter;\n    lodash.flatMap = flatMap;\n    lodash.flatMapDeep = flatMapDeep;\n    lodash.flatMapDepth = flatMapDepth;\n    lodash.flatten = flatten;\n    lodash.flattenDeep = flattenDeep;\n    lodash.flattenDepth = flattenDepth;\n    lodash.flip = flip;\n    lodash.flow = flow;\n    lodash.flowRight = flowRight;\n    lodash.fromPairs = fromPairs;\n    lodash.functions = functions;\n    lodash.functionsIn = functionsIn;\n    lodash.groupBy = groupBy;\n    lodash.initial = initial;\n    lodash.intersection = intersection;\n    lodash.intersectionBy = intersectionBy;\n    lodash.intersectionWith = intersectionWith;\n    lodash.invert = invert;\n    lodash.invertBy = invertBy;\n    lodash.invokeMap = invokeMap;\n    lodash.iteratee = iteratee;\n    lodash.keyBy = keyBy;\n    lodash.keys = keys;\n    lodash.keysIn = keysIn;\n    lodash.map = map;\n    lodash.mapKeys = mapKeys;\n    lodash.mapValues = mapValues;\n    lodash.matches = matches;\n    lodash.matchesProperty = matchesProperty;\n    lodash.memoize = memoize;\n    lodash.merge = merge;\n    lodash.mergeWith = mergeWith;\n    lodash.method = method;\n    lodash.methodOf = methodOf;\n    lodash.mixin = mixin;\n    lodash.negate = negate;\n    lodash.nthArg = nthArg;\n    lodash.omit = omit;\n    lodash.omitBy = omitBy;\n    lodash.once = once;\n    lodash.orderBy = orderBy;\n    lodash.over = over;\n    lodash.overArgs = overArgs;\n    lodash.overEvery = overEvery;\n    lodash.overSome = overSome;\n    lodash.partial = partial;\n    lodash.partialRight = partialRight;\n    lodash.partition = partition;\n    lodash.pick = pick;\n    lodash.pickBy = pickBy;\n    lodash.property = property;\n    lodash.propertyOf = propertyOf;\n    lodash.pull = pull;\n    lodash.pullAll = pullAll;\n    lodash.pullAllBy = pullAllBy;\n    lodash.pullAllWith = pullAllWith;\n    lodash.pullAt = pullAt;\n    lodash.range = range;\n    lodash.rangeRight = rangeRight;\n    lodash.rearg = rearg;\n    lodash.reject = reject;\n    lodash.remove = remove;\n    lodash.rest = rest;\n    lodash.reverse = reverse;\n    lodash.sampleSize = sampleSize;\n    lodash.set = set;\n    lodash.setWith = setWith;\n    lodash.shuffle = shuffle;\n    lodash.slice = slice;\n    lodash.sortBy = sortBy;\n    lodash.sortedUniq = sortedUniq;\n    lodash.sortedUniqBy = sortedUniqBy;\n    lodash.split = split;\n    lodash.spread = spread;\n    lodash.tail = tail;\n    lodash.take = take;\n    lodash.takeRight = takeRight;\n    lodash.takeRightWhile = takeRightWhile;\n    lodash.takeWhile = takeWhile;\n    lodash.tap = tap;\n    lodash.throttle = throttle;\n    lodash.thru = thru;\n    lodash.toArray = toArray;\n    lodash.toPairs = toPairs;\n    lodash.toPairsIn = toPairsIn;\n    lodash.toPath = toPath;\n    lodash.toPlainObject = toPlainObject;\n    lodash.transform = transform;\n    lodash.unary = unary;\n    lodash.union = union;\n    lodash.unionBy = unionBy;\n    lodash.unionWith = unionWith;\n    lodash.uniq = uniq;\n    lodash.uniqBy = uniqBy;\n    lodash.uniqWith = uniqWith;\n    lodash.unset = unset;\n    lodash.unzip = unzip;\n    lodash.unzipWith = unzipWith;\n    lodash.update = update;\n    lodash.updateWith = updateWith;\n    lodash.values = values;\n    lodash.valuesIn = valuesIn;\n    lodash.without = without;\n    lodash.words = words;\n    lodash.wrap = wrap;\n    lodash.xor = xor;\n    lodash.xorBy = xorBy;\n    lodash.xorWith = xorWith;\n    lodash.zip = zip;\n    lodash.zipObject = zipObject;\n    lodash.zipObjectDeep = zipObjectDeep;\n    lodash.zipWith = zipWith;\n\n    // Add aliases.\n    lodash.entries = toPairs;\n    lodash.entriesIn = toPairsIn;\n    lodash.extend = assignIn;\n    lodash.extendWith = assignInWith;\n\n    // Add methods to `lodash.prototype`.\n    mixin(lodash, lodash);\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return unwrapped values in chain sequences.\n    lodash.add = add;\n    lodash.attempt = attempt;\n    lodash.camelCase = camelCase;\n    lodash.capitalize = capitalize;\n    lodash.ceil = ceil;\n    lodash.clamp = clamp;\n    lodash.clone = clone;\n    lodash.cloneDeep = cloneDeep;\n    lodash.cloneDeepWith = cloneDeepWith;\n    lodash.cloneWith = cloneWith;\n    lodash.conformsTo = conformsTo;\n    lodash.deburr = deburr;\n    lodash.defaultTo = defaultTo;\n    lodash.divide = divide;\n    lodash.endsWith = endsWith;\n    lodash.eq = eq;\n    lodash.escape = escape;\n    lodash.escapeRegExp = escapeRegExp;\n    lodash.every = every;\n    lodash.find = find;\n    lodash.findIndex = findIndex;\n    lodash.findKey = findKey;\n    lodash.findLast = findLast;\n    lodash.findLastIndex = findLastIndex;\n    lodash.findLastKey = findLastKey;\n    lodash.floor = floor;\n    lodash.forEach = forEach;\n    lodash.forEachRight = forEachRight;\n    lodash.forIn = forIn;\n    lodash.forInRight = forInRight;\n    lodash.forOwn = forOwn;\n    lodash.forOwnRight = forOwnRight;\n    lodash.get = get;\n    lodash.gt = gt;\n    lodash.gte = gte;\n    lodash.has = has;\n    lodash.hasIn = hasIn;\n    lodash.head = head;\n    lodash.identity = identity;\n    lodash.includes = includes;\n    lodash.indexOf = indexOf;\n    lodash.inRange = inRange;\n    lodash.invoke = invoke;\n    lodash.isArguments = isArguments;\n    lodash.isArray = isArray;\n    lodash.isArrayBuffer = isArrayBuffer;\n    lodash.isArrayLike = isArrayLike;\n    lodash.isArrayLikeObject = isArrayLikeObject;\n    lodash.isBoolean = isBoolean;\n    lodash.isBuffer = isBuffer;\n    lodash.isDate = isDate;\n    lodash.isElement = isElement;\n    lodash.isEmpty = isEmpty;\n    lodash.isEqual = isEqual;\n    lodash.isEqualWith = isEqualWith;\n    lodash.isError = isError;\n    lodash.isFinite = isFinite;\n    lodash.isFunction = isFunction;\n    lodash.isInteger = isInteger;\n    lodash.isLength = isLength;\n    lodash.isMap = isMap;\n    lodash.isMatch = isMatch;\n    lodash.isMatchWith = isMatchWith;\n    lodash.isNaN = isNaN;\n    lodash.isNative = isNative;\n    lodash.isNil = isNil;\n    lodash.isNull = isNull;\n    lodash.isNumber = isNumber;\n    lodash.isObject = isObject;\n    lodash.isObjectLike = isObjectLike;\n    lodash.isPlainObject = isPlainObject;\n    lodash.isRegExp = isRegExp;\n    lodash.isSafeInteger = isSafeInteger;\n    lodash.isSet = isSet;\n    lodash.isString = isString;\n    lodash.isSymbol = isSymbol;\n    lodash.isTypedArray = isTypedArray;\n    lodash.isUndefined = isUndefined;\n    lodash.isWeakMap = isWeakMap;\n    lodash.isWeakSet = isWeakSet;\n    lodash.join = join;\n    lodash.kebabCase = kebabCase;\n    lodash.last = last;\n    lodash.lastIndexOf = lastIndexOf;\n    lodash.lowerCase = lowerCase;\n    lodash.lowerFirst = lowerFirst;\n    lodash.lt = lt;\n    lodash.lte = lte;\n    lodash.max = max;\n    lodash.maxBy = maxBy;\n    lodash.mean = mean;\n    lodash.meanBy = meanBy;\n    lodash.min = min;\n    lodash.minBy = minBy;\n    lodash.stubArray = stubArray;\n    lodash.stubFalse = stubFalse;\n    lodash.stubObject = stubObject;\n    lodash.stubString = stubString;\n    lodash.stubTrue = stubTrue;\n    lodash.multiply = multiply;\n    lodash.nth = nth;\n    lodash.noConflict = noConflict;\n    lodash.noop = noop;\n    lodash.now = now;\n    lodash.pad = pad;\n    lodash.padEnd = padEnd;\n    lodash.padStart = padStart;\n    lodash.parseInt = parseInt;\n    lodash.random = random;\n    lodash.reduce = reduce;\n    lodash.reduceRight = reduceRight;\n    lodash.repeat = repeat;\n    lodash.replace = replace;\n    lodash.result = result;\n    lodash.round = round;\n    lodash.runInContext = runInContext;\n    lodash.sample = sample;\n    lodash.size = size;\n    lodash.snakeCase = snakeCase;\n    lodash.some = some;\n    lodash.sortedIndex = sortedIndex;\n    lodash.sortedIndexBy = sortedIndexBy;\n    lodash.sortedIndexOf = sortedIndexOf;\n    lodash.sortedLastIndex = sortedLastIndex;\n    lodash.sortedLastIndexBy = sortedLastIndexBy;\n    lodash.sortedLastIndexOf = sortedLastIndexOf;\n    lodash.startCase = startCase;\n    lodash.startsWith = startsWith;\n    lodash.subtract = subtract;\n    lodash.sum = sum;\n    lodash.sumBy = sumBy;\n    lodash.template = template;\n    lodash.times = times;\n    lodash.toFinite = toFinite;\n    lodash.toInteger = toInteger;\n    lodash.toLength = toLength;\n    lodash.toLower = toLower;\n    lodash.toNumber = toNumber;\n    lodash.toSafeInteger = toSafeInteger;\n    lodash.toString = toString;\n    lodash.toUpper = toUpper;\n    lodash.trim = trim;\n    lodash.trimEnd = trimEnd;\n    lodash.trimStart = trimStart;\n    lodash.truncate = truncate;\n    lodash.unescape = unescape;\n    lodash.uniqueId = uniqueId;\n    lodash.upperCase = upperCase;\n    lodash.upperFirst = upperFirst;\n\n    // Add aliases.\n    lodash.each = forEach;\n    lodash.eachRight = forEachRight;\n    lodash.first = head;\n\n    mixin(lodash, (function() {\n      var source = {};\n      baseForOwn(lodash, function(func, methodName) {\n        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n          source[methodName] = func;\n        }\n      });\n      return source;\n    }()), { 'chain': false });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The semantic version number.\n     *\n     * @static\n     * @memberOf _\n     * @type {string}\n     */\n    lodash.VERSION = VERSION;\n\n    // Assign default placeholders.\n    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n      lodash[methodName].placeholder = lodash;\n    });\n\n    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n    arrayEach(['drop', 'take'], function(methodName, index) {\n      LazyWrapper.prototype[methodName] = function(n) {\n        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\n        var result = (this.__filtered__ && !index)\n          ? new LazyWrapper(this)\n          : this.clone();\n\n        if (result.__filtered__) {\n          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n        } else {\n          result.__views__.push({\n            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n          });\n        }\n        return result;\n      };\n\n      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n        return this.reverse()[methodName](n).reverse();\n      };\n    });\n\n    // Add `LazyWrapper` methods that accept an `iteratee` value.\n    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n      var type = index + 1,\n          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\n      LazyWrapper.prototype[methodName] = function(iteratee) {\n        var result = this.clone();\n        result.__iteratees__.push({\n          'iteratee': getIteratee(iteratee, 3),\n          'type': type\n        });\n        result.__filtered__ = result.__filtered__ || isFilter;\n        return result;\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n    arrayEach(['head', 'last'], function(methodName, index) {\n      var takeName = 'take' + (index ? 'Right' : '');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this[takeName](1).value()[0];\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n    arrayEach(['initial', 'tail'], function(methodName, index) {\n      var dropName = 'drop' + (index ? '' : 'Right');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n      };\n    });\n\n    LazyWrapper.prototype.compact = function() {\n      return this.filter(identity);\n    };\n\n    LazyWrapper.prototype.find = function(predicate) {\n      return this.filter(predicate).head();\n    };\n\n    LazyWrapper.prototype.findLast = function(predicate) {\n      return this.reverse().find(predicate);\n    };\n\n    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n      if (typeof path == 'function') {\n        return new LazyWrapper(this);\n      }\n      return this.map(function(value) {\n        return baseInvoke(value, path, args);\n      });\n    });\n\n    LazyWrapper.prototype.reject = function(predicate) {\n      return this.filter(negate(getIteratee(predicate)));\n    };\n\n    LazyWrapper.prototype.slice = function(start, end) {\n      start = toInteger(start);\n\n      var result = this;\n      if (result.__filtered__ && (start > 0 || end < 0)) {\n        return new LazyWrapper(result);\n      }\n      if (start < 0) {\n        result = result.takeRight(-start);\n      } else if (start) {\n        result = result.drop(start);\n      }\n      if (end !== undefined) {\n        end = toInteger(end);\n        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n      }\n      return result;\n    };\n\n    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n      return this.reverse().takeWhile(predicate).reverse();\n    };\n\n    LazyWrapper.prototype.toArray = function() {\n      return this.take(MAX_ARRAY_LENGTH);\n    };\n\n    // Add `LazyWrapper` methods to `lodash.prototype`.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n          isTaker = /^(?:head|last)$/.test(methodName),\n          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n          retUnwrapped = isTaker || /^find/.test(methodName);\n\n      if (!lodashFunc) {\n        return;\n      }\n      lodash.prototype[methodName] = function() {\n        var value = this.__wrapped__,\n            args = isTaker ? [1] : arguments,\n            isLazy = value instanceof LazyWrapper,\n            iteratee = args[0],\n            useLazy = isLazy || isArray(value);\n\n        var interceptor = function(value) {\n          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n          return (isTaker && chainAll) ? result[0] : result;\n        };\n\n        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n          isLazy = useLazy = false;\n        }\n        var chainAll = this.__chain__,\n            isHybrid = !!this.__actions__.length,\n            isUnwrapped = retUnwrapped && !chainAll,\n            onlyLazy = isLazy && !isHybrid;\n\n        if (!retUnwrapped && useLazy) {\n          value = onlyLazy ? value : new LazyWrapper(this);\n          var result = func.apply(value, args);\n          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n          return new LodashWrapper(result, chainAll);\n        }\n        if (isUnwrapped && onlyLazy) {\n          return func.apply(this, args);\n        }\n        result = this.thru(interceptor);\n        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n      };\n    });\n\n    // Add `Array` methods to `lodash.prototype`.\n    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n      var func = arrayProto[methodName],\n          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\n      lodash.prototype[methodName] = function() {\n        var args = arguments;\n        if (retUnwrapped && !this.__chain__) {\n          var value = this.value();\n          return func.apply(isArray(value) ? value : [], args);\n        }\n        return this[chainName](function(value) {\n          return func.apply(isArray(value) ? value : [], args);\n        });\n      };\n    });\n\n    // Map minified method names to their real names.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var lodashFunc = lodash[methodName];\n      if (lodashFunc) {\n        var key = (lodashFunc.name + ''),\n            names = realNames[key] || (realNames[key] = []);\n\n        names.push({ 'name': methodName, 'func': lodashFunc });\n      }\n    });\n\n    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n      'name': 'wrapper',\n      'func': undefined\n    }];\n\n    // Add methods to `LazyWrapper`.\n    LazyWrapper.prototype.clone = lazyClone;\n    LazyWrapper.prototype.reverse = lazyReverse;\n    LazyWrapper.prototype.value = lazyValue;\n\n    // Add chain sequence methods to the `lodash` wrapper.\n    lodash.prototype.at = wrapperAt;\n    lodash.prototype.chain = wrapperChain;\n    lodash.prototype.commit = wrapperCommit;\n    lodash.prototype.next = wrapperNext;\n    lodash.prototype.plant = wrapperPlant;\n    lodash.prototype.reverse = wrapperReverse;\n    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\n    // Add lazy aliases.\n    lodash.prototype.first = lodash.prototype.head;\n\n    if (symIterator) {\n      lodash.prototype[symIterator] = wrapperToIterator;\n    }\n    return lodash;\n  });\n\n  /*--------------------------------------------------------------------------*/\n\n  // Export lodash.\n  var _ = runInContext();\n\n  // Some AMD build optimizers, like r.js, check for condition patterns like:\n  if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {\n    // Expose Lodash on the global object to prevent errors when Lodash is\n    // loaded by a script tag in the presence of an AMD loader.\n    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n    // Use `_.noConflict` to remove Lodash from the global object.\n    root._ = _;\n\n    // Define as an anonymous module so, through path mapping, it can be\n    // referenced as the \"underscore\" module.\n    define(function() {\n      return _;\n    });\n  }\n  // Check for `exports` after `define` in case a build optimizer adds it.\n  else if (freeModule) {\n    // Export for Node.js.\n    (freeModule.exports = _)._ = _;\n    // Export for CommonJS support.\n    freeExports._ = _;\n  }\n  else {\n    // Export to the global object.\n    root._ = _;\n  }\n}.call(this));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/lodash/lodash.js\n// module id = 62\n// module chunks = 0","var core = module.exports = { version: '2.5.1' };\nif (typeof __e == 'number') __e = core; // eslint-disable-line no-undef\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_core.js\n// module id = 63\n// module chunks = 0","module.exports = function (exec) {\n  try {\n    return !!exec();\n  } catch (e) {\n    return true;\n  }\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_fails.js\n// module id = 64\n// module chunks = 0","// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n  ? window : typeof self != 'undefined' && self.Math == Math ? self\n  // eslint-disable-next-line no-new-func\n  : Function('return this')();\nif (typeof __g == 'number') __g = global; // eslint-disable-line no-undef\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_global.js\n// module id = 65\n// module chunks = 0","var anObject = require('./_an-object');\nvar IE8_DOM_DEFINE = require('./_ie8-dom-define');\nvar toPrimitive = require('./_to-primitive');\nvar dP = Object.defineProperty;\n\nexports.f = require('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes) {\n  anObject(O);\n  P = toPrimitive(P, true);\n  anObject(Attributes);\n  if (IE8_DOM_DEFINE) try {\n    return dP(O, P, Attributes);\n  } catch (e) { /* empty */ }\n  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');\n  if ('value' in Attributes) O[P] = Attributes.value;\n  return O;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_object-dp.js\n// module id = 66\n// module chunks = 0","var core = module.exports = { version: '2.5.1' };\nif (typeof __e == 'number') __e = core; // eslint-disable-line no-undef\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_core.js\n// module id = 67\n// module chunks = 0","module.exports = function (exec) {\n  try {\n    return !!exec();\n  } catch (e) {\n    return true;\n  }\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_fails.js\n// module id = 68\n// module chunks = 0","// https://github.com/zloirock/core-js/issues/86#issuecomment-115759028\nvar global = module.exports = typeof window != 'undefined' && window.Math == Math\n  ? window : typeof self != 'undefined' && self.Math == Math ? self\n  // eslint-disable-next-line no-new-func\n  : Function('return this')();\nif (typeof __g == 'number') __g = global; // eslint-disable-line no-undef\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_global.js\n// module id = 69\n// module chunks = 0","var anObject = require('./_an-object');\nvar IE8_DOM_DEFINE = require('./_ie8-dom-define');\nvar toPrimitive = require('./_to-primitive');\nvar dP = Object.defineProperty;\n\nexports.f = require('./_descriptors') ? Object.defineProperty : function defineProperty(O, P, Attributes) {\n  anObject(O);\n  P = toPrimitive(P, true);\n  anObject(Attributes);\n  if (IE8_DOM_DEFINE) try {\n    return dP(O, P, Attributes);\n  } catch (e) { /* empty */ }\n  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');\n  if ('value' in Attributes) O[P] = Attributes.value;\n  return O;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_object-dp.js\n// module id = 70\n// module chunks = 0","module.exports = \"<div class=oui-checkbox data-ng-class=\\\"{\\n    'oui-checkbox_big': $ctrl.big,\\n    'oui-checkbox_thumbnail': $ctrl.thumbnail\\n}\\\"> <input class=oui-checkbox__input type=checkbox id=\\\"{{:: $ctrl.name }}\\\" name=\\\"{{:: $ctrl.name }}\\\" data-ng-model=$ctrl.value data-ng-change=$ctrl.callOnChange($ctrl.value) data-ng-checked=$ctrl.checked data-ng-disabled=$ctrl.disabled> <label for=\\\"{{:: $ctrl.name }}\\\" class=oui-checkbox__label-container> <span class=oui-checkbox__label data-ng-transclude=label> <span data-ng-bind=$ctrl.label></span> </span> <span class=oui-checkbox__description data-ng-transclude=description data-ng-if=$ctrl.hasDescription> <span data-ng-bind=$ctrl.description></span> </span> <span class=oui-checkbox__icon> <i class=\\\"oui-icon oui-icon-checkbox-unchecked\\\" aria-hidden=true></i> <i class=\\\"oui-icon oui-icon-checkbox-checked\\\" aria-hidden=true></i> <i class=\\\"oui-icon oui-icon-checkbox-checkmark\\\" aria-hidden=true></i> </span> </label> </div> \";\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/src/checkbox.html\n// module id = 71\n// module chunks = 0","module.exports = \"<div class=oui-loader data-ng-class=\\\"[\\n    { 'oui-loader_inline': $ctrl.inline },\\n    'oui-loader_' + $ctrl.size\\n  ]\\\"> <div class=oui-loader__container> <div class=oui-loader__image></div> </div> </div> \";\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/src/loader.html\n// module id = 72\n// module chunks = 0","module.exports = \"<div data-ng-if=!$ctrl.dismissed data-ng-class=\\\"'oui-message oui-message_' + $ctrl.type\\\" role=alert> <i class=\\\"oui-icon oui-icon_bicolor\\\" data-ng-class=\\\"'oui-icon-' + $ctrl.type + '_circle'\\\" aria-hidden=true></i> <div class=oui-message__body data-ng-class=\\\"'oui-message__body_' + $ctrl.type\\\" ng-transclude> <span ng-bind=$ctrl.message></span> </div> <button data-ng-if=\\\"$ctrl.dismissable === true || ($ctrl.type !== 'error' && $ctrl.type !== 'warning')\\\" class=\\\"oui-icon oui-icon-close oui-message__close-button\\\" type=button data-ng-click=$ctrl.dismiss() aria-label=Close> </button> </div> \";\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/src/message.html\n// module id = 73\n// module chunks = 0","module.exports = \"<div class=oui-radio data-ng-class=\\\"{\\n    'oui-radio_big': $ctrl.big,\\n    'oui-radio_thumbnail': $ctrl.thumbnail\\n}\\\"> <input class=oui-radio__input type=radio id=\\\"{{:: $ctrl.id }}\\\" value=\\\"{{:: $ctrl.value }}\\\" name=\\\"{{:: $ctrl.name }}\\\" data-ng-checked=$ctrl.checked data-ng-disabled=$ctrl.disabled> <label class=oui-radio__label-container for=\\\"{{:: $ctrl.id }}\\\"> <span class=oui-radio__label data-ng-transclude=label> <span data-ng-bind=$ctrl.label></span> </span> <span class=oui-radio__description data-ng-transclude=description data-ng-if=$ctrl.hasDescription> <span data-ng-bind=$ctrl.description></span> </span> </label> </div> \";\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/src/radio.html\n// module id = 74\n// module chunks = 0","import '@oui-angular/checkbox/src'\nimport '@oui-angular/radio/src'\nimport '@oui-angular/radio-group/src'\nimport '@oui-angular/message/src'\nimport '@oui-angular/loader/src'\n\nangular.module('oui', [\n  'oui.checkbox',\n  'oui.radio',\n  'oui.radio-group',\n  'oui.message',\n  'oui.loader'\n])\n\n\n\n// WEBPACK FOOTER //\n// ./src/index.js","import template from './checkbox.html'\nimport controller from './checkbox.controller'\n\nexport default {\n  template,\n  controller,\n  bindings: {\n    label: '@?',\n    description: '@?',\n    name: '@?',\n    onChange: '&?',\n    checked: '<?',\n    disabled: '<?'\n  },\n  transclude: {\n    label: '?ouiCheckboxLabel',\n    description: '?ouiCheckboxDescription'\n  }\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-checkbox/src/checkbox.component.js","import _ from 'lodash'\n\nexport default class {\n  constructor ($scope, $attrs, $transclude) {\n    'ngInject'\n\n    this.$scope = $scope\n    this.$attrs = $attrs\n    this.$transclude = $transclude\n\n    if (this.onChange) {\n      this.onChange = this.onChange.bind(this)\n    }\n  }\n\n  $onInit () {\n    if (_.has(this.$attrs, 'checked') && _.isEmpty(this.$attrs.checked)) {\n      this.checked = true\n    }\n\n    if (_.has(this.$attrs, 'disabled') && _.isEmpty(this.$attrs.disabled)) {\n      this.disabled = true\n    }\n\n    if (!self.name) {\n      this.name = `oui-checked-${this.$scope.$id}`\n    }\n\n    if (_.has(this.$attrs, 'big')) {\n      this.big = true\n    }\n\n    if (_.has(this.$attrs, 'thumbnail')) {\n      this.thumbnail = true\n    }\n\n    this.hasDescription = Boolean(this.$transclude.isSlotFilled('description') || this.description)\n  }\n\n  callOnChange (value) {\n    if (this.onChange) {\n      this.onChange({\n        $event: {\n          value: value\n        }\n      })\n    }\n  }\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-checkbox/src/checkbox.controller.js","import Checkbox from './checkbox.component.js'\n\nangular.module('oui.checkbox', []).component('ouiCheckbox', Checkbox)\n\n\n\n// WEBPACK FOOTER //\n// ../oui-checkbox/src/index.js","import Loader from './loader.component.js'\n\nangular.module('oui.loader', []).component('ouiLoader', Loader)\n\n\n\n// WEBPACK FOOTER //\n// ../oui-loader/src/index.js","import template from './loader.html'\nimport controller from './loader.controller'\n\nexport default {\n  template,\n  controller,\n  bindings: {\n    inline: '<?',\n    size: '@?'\n  }\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-loader/src/loader.component.js","import _ from 'lodash'\n\nexport default class {\n  constructor ($attrs) {\n    'ngInject'\n\n    this.$attrs = $attrs\n  }\n\n  $onInit () {\n    this.size = this.size || 'm'\n\n    if (this.size === 's') {\n      if (_.has(this.$attrs, 'inline') && _.isEmpty(this.$attrs.inline)) {\n        this.inline = true\n      }\n    }\n  }\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-loader/src/loader.controller.js","import Message from './message.component.js'\nimport OuiMessageDispatcher from './message-dispatcher.service'\nimport { OuiMessageListenerFactory } from './message-listener.factory'\n\nangular.module('oui.message', [])\n  .component('ouiMessage', Message)\n  .service('OuiMessageDispatcher', OuiMessageDispatcher)\n  .service('OuiMessageListenerFactory', OuiMessageListenerFactory)\n\n\n\n// WEBPACK FOOTER //\n// ../oui-message/src/index.js","import {\n  isUndefined\n} from 'lodash'\n\nconst requiredListenerMethods = [\n  'onMessage'\n]\n\nexport default class {\n  constructor () {\n    'ngInject'\n\n    this._listeners = []\n  }\n\n  isValidListenerInterface (listener) {\n    return requiredListenerMethods.every((requiredListenerMethod) =>\n      !isUndefined(listener[requiredListenerMethod])\n    )\n  }\n\n  register (listener) {\n    if (!this.isValidListenerInterface(listener)) {\n      throw new Error('The registered object does not follow the expected interface.')\n    }\n\n    this._listeners.push(listener)\n  }\n\n  unregister (listener) {\n    this._listeners.splice(this._listeners.indexOf(listener), 1)\n  }\n\n  dispatch (namespace, message) {\n    let filteredListeners\n\n    if (isUndefined(message)) {\n      message = namespace\n      namespace = undefined\n    }\n\n    if (!namespace) {\n      filteredListeners = this._listeners\n    } else {\n      filteredListeners = this._listeners.filter((listener) =>\n        !listener.namespace || listener.namespace === namespace)\n    }\n\n    filteredListeners.forEach((listener) => listener.onMessage(message))\n  }\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-message/src/message-dispatcher.service.js","export class OuiMessageListener {\n  constructor (OuiMessageDispatcher, namespace) {\n    this.OuiMessageDispatcher = OuiMessageDispatcher\n    this.namespace = namespace\n  }\n\n  unregister () {\n    this.OuiMessageDispatcher.unregister(this)\n  }\n}\n\nexport class OuiLastMessageListener extends OuiMessageListener {\n  constructor (OuiMessageDispatcher, namespace) {\n    super(OuiMessageDispatcher, namespace)\n\n    this.hasMessage = false\n    this.lastMessage = null\n  }\n\n  onMessage (message) {\n    this.hasMessage = true\n    this.lastMessage = message\n  }\n}\n\nexport class OuiMessageListenerFactory {\n  constructor (OuiMessageDispatcher) {\n    'ngInject'\n\n    this.OuiMessageDispatcher = OuiMessageDispatcher\n  }\n\n  createLastMessageListener (namespace) {\n    let listener = new OuiLastMessageListener(this.OuiMessageDispatcher, namespace)\n\n    this.OuiMessageDispatcher.register(listener)\n\n    return listener\n  }\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-message/src/message-listener.factory.js","import template from './message.html'\nimport controller from './message.controller'\n\nexport default {\n  template,\n  controller,\n  bindings: {\n    message: '@',\n    type: '@',\n    dismissable: '<',\n    dismissed: '<',\n    onDismiss: '&?'\n  },\n  transclude: true\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-message/src/message.component.js","import _ from 'lodash'\r\n\r\nexport default class {\r\n  constructor () {\r\n    'ngInject'\r\n  }\r\n\r\n  $onInit () {\r\n    this.dismissed = false\r\n  }\r\n\r\n  dismiss () {\r\n    if (!_.isFunction(this.onDismiss)) {\r\n      this.dismissed = true\r\n    } else {\r\n      this.onDismiss()\r\n    }\r\n  }\r\n}\r\n\n\n\n// WEBPACK FOOTER //\n// ../oui-message/src/message.controller.js","import '@oui-angular/radio/src'\nimport RadioGroup from './radio-group.component.js'\n\nangular.module('oui.radio-group', [\n  'oui.radio'\n]).component('ouiRadioGroup', RadioGroup)\n\n\n\n// WEBPACK FOOTER //\n// ../oui-radio-group/src/index.js","import controller from './radio-group.controller'\n\nexport default {\n  template: '<ng-transclude></ng-transclude>',\n  controller,\n  bindings: {\n    name: '@?',\n    value: '<?',\n    onChange: '&?'\n  },\n  transclude: true\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-radio-group/src/radio-group.component.js","import _ from 'lodash'\n\nexport default class {\n  constructor ($scope) {\n    'ngInject'\n\n    this.$scope = $scope\n    this.radios = []\n  }\n\n  $onInit () {\n    if (!this.name) {\n      this.name = `oui-radio-group-${this.$scope.$id}`\n    }\n  }\n\n  $onChanges (changes) {\n    if (_.has(changes, 'value')) {\n      _.forEach(this.radios, function (radio) {\n        radio.onGroupValueChange(changes.value.currentValue)\n      })\n    }\n  }\n\n  callOnChange (value) {\n    if (this.onChange) {\n      this.onChange({\n        $event: {\n          value: value\n        }\n      })\n    }\n  };\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-radio-group/src/radio-group.controller.js","import template from './radio.html'\nimport controller from './radio.controller'\n\nexport default {\n  require: {\n    group: '?^ouiRadioGroup'\n  },\n  template,\n  controller,\n  bindings: {\n    label: '@?',\n    value: '@',\n    disabled: '<?',\n    checked: '<?'\n  },\n  transclude: {\n    label: '?ouiRadioLabel',\n    description: '?ouiRadioDescription'\n  }\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-radio/src/radio.component.js","import _ from 'lodash'\n\nconst INPUT_SELECTOR = 'input'\n\nexport default class {\n  constructor ($scope, $element, $attrs, $transclude) {\n    'ngInject'\n\n    this.$element = $element\n    this.$scope = $scope\n    this.$attrs = $attrs\n    this.$transclude = $transclude\n\n    if (this.onChange) {\n      this.onChange = this.onChange.bind(this)\n    }\n  }\n\n  registerEventsToParent () {\n    var self = this\n\n    this.onGroupValueChange(self.group.value)\n\n    this.$element.find(INPUT_SELECTOR).bind('change', function () {\n      self.$scope.$apply(() => self.group.callOnChange(this.value))\n    })\n  }\n\n  $onInit () {\n    this.id = `oui-radio-${this.$scope.$id}`\n\n    if (_.has(this.$attrs, 'checked') && _.isEmpty(this.$attrs.checked)) {\n      this.checked = true\n    }\n\n    if (_.has(this.$attrs, 'disabled') && _.isEmpty(this.$attrs.disabled)) {\n      this.disabled = true\n    }\n\n    if (this.group) {\n      this.name = this.group.name\n      this.group.radios.push(this)\n\n      this.registerEventsToParent()\n    } else {\n      this.name = this.id\n    }\n\n    if (_.has(this.$attrs, 'big')) {\n      this.big = true\n    }\n\n    if (_.has(this.$attrs, 'thumbnail')) {\n      this.thumbnail = true\n    }\n\n    this.hasDescription = Boolean(this.$transclude.isSlotFilled('description') || this.description)\n  }\n\n  $onDestroy () {\n    if (self.group) {\n      _.remove(this.group.radios, this)\n      this.$element.find(INPUT_SELECTOR).unbind('change')\n    }\n  }\n\n  $onChanges (changes) {\n    if (_.has(changes, 'checked')) {\n      this.checked = changes.checked.currentValue\n    }\n  }\n\n  onGroupValueChange (value) {\n    this.checked = value === this.value\n  }\n}\n\n\n\n// WEBPACK FOOTER //\n// ../oui-radio/src/radio.controller.js","module.exports = { \"default\": require(\"core-js/library/fn/object/define-property\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/babel-runtime/core-js/object/define-property.js\n// module id = 92\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nexports.default = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/babel-runtime/helpers/classCallCheck.js\n// module id = 93\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nvar _defineProperty = require(\"../core-js/object/define-property\");\n\nvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function () {\n  function defineProperties(target, props) {\n    for (var i = 0; i < props.length; i++) {\n      var descriptor = props[i];\n      descriptor.enumerable = descriptor.enumerable || false;\n      descriptor.configurable = true;\n      if (\"value\" in descriptor) descriptor.writable = true;\n      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n    }\n  }\n\n  return function (Constructor, protoProps, staticProps) {\n    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n    if (staticProps) defineProperties(Constructor, staticProps);\n    return Constructor;\n  };\n}();\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/babel-runtime/helpers/createClass.js\n// module id = 94\n// module chunks = 0","require('../../modules/es6.object.define-property');\nvar $Object = require('../../modules/_core').Object;\nmodule.exports = function defineProperty(it, key, desc) {\n  return $Object.defineProperty(it, key, desc);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/fn/object/define-property.js\n// module id = 95\n// module chunks = 0","module.exports = function (it) {\n  if (typeof it != 'function') throw TypeError(it + ' is not a function!');\n  return it;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_a-function.js\n// module id = 96\n// module chunks = 0","var isObject = require('./_is-object');\nmodule.exports = function (it) {\n  if (!isObject(it)) throw TypeError(it + ' is not an object!');\n  return it;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_an-object.js\n// module id = 97\n// module chunks = 0","// optional / simple context binding\nvar aFunction = require('./_a-function');\nmodule.exports = function (fn, that, length) {\n  aFunction(fn);\n  if (that === undefined) return fn;\n  switch (length) {\n    case 1: return function (a) {\n      return fn.call(that, a);\n    };\n    case 2: return function (a, b) {\n      return fn.call(that, a, b);\n    };\n    case 3: return function (a, b, c) {\n      return fn.call(that, a, b, c);\n    };\n  }\n  return function (/* ...args */) {\n    return fn.apply(that, arguments);\n  };\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_ctx.js\n// module id = 98\n// module chunks = 0","var isObject = require('./_is-object');\nvar document = require('./_global').document;\n// typeof document.createElement is 'object' in old IE\nvar is = isObject(document) && isObject(document.createElement);\nmodule.exports = function (it) {\n  return is ? document.createElement(it) : {};\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_dom-create.js\n// module id = 99\n// module chunks = 0","var global = require('./_global');\nvar core = require('./_core');\nvar ctx = require('./_ctx');\nvar hide = require('./_hide');\nvar PROTOTYPE = 'prototype';\n\nvar $export = function (type, name, source) {\n  var IS_FORCED = type & $export.F;\n  var IS_GLOBAL = type & $export.G;\n  var IS_STATIC = type & $export.S;\n  var IS_PROTO = type & $export.P;\n  var IS_BIND = type & $export.B;\n  var IS_WRAP = type & $export.W;\n  var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});\n  var expProto = exports[PROTOTYPE];\n  var target = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE];\n  var key, own, out;\n  if (IS_GLOBAL) source = name;\n  for (key in source) {\n    // contains in native\n    own = !IS_FORCED && target && target[key] !== undefined;\n    if (own && key in exports) continue;\n    // export native or passed\n    out = own ? target[key] : source[key];\n    // prevent global pollution for namespaces\n    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n    // bind timers to global for call from export context\n    : IS_BIND && own ? ctx(out, global)\n    // wrap global constructors for prevent change them in library\n    : IS_WRAP && target[key] == out ? (function (C) {\n      var F = function (a, b, c) {\n        if (this instanceof C) {\n          switch (arguments.length) {\n            case 0: return new C();\n            case 1: return new C(a);\n            case 2: return new C(a, b);\n          } return new C(a, b, c);\n        } return C.apply(this, arguments);\n      };\n      F[PROTOTYPE] = C[PROTOTYPE];\n      return F;\n    // make static versions for prototype methods\n    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n    if (IS_PROTO) {\n      (exports.virtual || (exports.virtual = {}))[key] = out;\n      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n      if (type & $export.R && expProto && !expProto[key]) hide(expProto, key, out);\n    }\n  }\n};\n// type bitmap\n$export.F = 1;   // forced\n$export.G = 2;   // global\n$export.S = 4;   // static\n$export.P = 8;   // proto\n$export.B = 16;  // bind\n$export.W = 32;  // wrap\n$export.U = 64;  // safe\n$export.R = 128; // real proto method for `library`\nmodule.exports = $export;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_export.js\n// module id = 100\n// module chunks = 0","var dP = require('./_object-dp');\nvar createDesc = require('./_property-desc');\nmodule.exports = require('./_descriptors') ? function (object, key, value) {\n  return dP.f(object, key, createDesc(1, value));\n} : function (object, key, value) {\n  object[key] = value;\n  return object;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_hide.js\n// module id = 101\n// module chunks = 0","module.exports = !require('./_descriptors') && !require('./_fails')(function () {\n  return Object.defineProperty(require('./_dom-create')('div'), 'a', { get: function () { return 7; } }).a != 7;\n});\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_ie8-dom-define.js\n// module id = 102\n// module chunks = 0","module.exports = function (bitmap, value) {\n  return {\n    enumerable: !(bitmap & 1),\n    configurable: !(bitmap & 2),\n    writable: !(bitmap & 4),\n    value: value\n  };\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_property-desc.js\n// module id = 103\n// module chunks = 0","// 7.1.1 ToPrimitive(input [, PreferredType])\nvar isObject = require('./_is-object');\n// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n// and the second argument - flag - preferred type is a string\nmodule.exports = function (it, S) {\n  if (!isObject(it)) return it;\n  var fn, val;\n  if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n  if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;\n  if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n  throw TypeError(\"Can't convert object to primitive value\");\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/_to-primitive.js\n// module id = 104\n// module chunks = 0","var $export = require('./_export');\n// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n$export($export.S + $export.F * !require('./_descriptors'), 'Object', { defineProperty: require('./_object-dp').f });\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/core-js/library/modules/es6.object.define-property.js\n// module id = 105\n// module chunks = 0","/**\n * @license\n * Lodash <https://lodash.com/>\n * Copyright JS Foundation and other contributors <https://js.foundation/>\n * Released under MIT license <https://lodash.com/license>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n  var undefined;\n\n  /** Used as the semantic version number. */\n  var VERSION = '4.17.4';\n\n  /** Used as the size to enable large array optimizations. */\n  var LARGE_ARRAY_SIZE = 200;\n\n  /** Error message constants. */\n  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n      FUNC_ERROR_TEXT = 'Expected a function';\n\n  /** Used to stand-in for `undefined` hash values. */\n  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n  /** Used as the maximum memoize cache size. */\n  var MAX_MEMOIZE_SIZE = 500;\n\n  /** Used as the internal argument placeholder. */\n  var PLACEHOLDER = '__lodash_placeholder__';\n\n  /** Used to compose bitmasks for cloning. */\n  var CLONE_DEEP_FLAG = 1,\n      CLONE_FLAT_FLAG = 2,\n      CLONE_SYMBOLS_FLAG = 4;\n\n  /** Used to compose bitmasks for value comparisons. */\n  var COMPARE_PARTIAL_FLAG = 1,\n      COMPARE_UNORDERED_FLAG = 2;\n\n  /** Used to compose bitmasks for function metadata. */\n  var WRAP_BIND_FLAG = 1,\n      WRAP_BIND_KEY_FLAG = 2,\n      WRAP_CURRY_BOUND_FLAG = 4,\n      WRAP_CURRY_FLAG = 8,\n      WRAP_CURRY_RIGHT_FLAG = 16,\n      WRAP_PARTIAL_FLAG = 32,\n      WRAP_PARTIAL_RIGHT_FLAG = 64,\n      WRAP_ARY_FLAG = 128,\n      WRAP_REARG_FLAG = 256,\n      WRAP_FLIP_FLAG = 512;\n\n  /** Used as default options for `_.truncate`. */\n  var DEFAULT_TRUNC_LENGTH = 30,\n      DEFAULT_TRUNC_OMISSION = '...';\n\n  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n  var HOT_COUNT = 800,\n      HOT_SPAN = 16;\n\n  /** Used to indicate the type of lazy iteratees. */\n  var LAZY_FILTER_FLAG = 1,\n      LAZY_MAP_FLAG = 2,\n      LAZY_WHILE_FLAG = 3;\n\n  /** Used as references for various `Number` constants. */\n  var INFINITY = 1 / 0,\n      MAX_SAFE_INTEGER = 9007199254740991,\n      MAX_INTEGER = 1.7976931348623157e+308,\n      NAN = 0 / 0;\n\n  /** Used as references for the maximum length and index of an array. */\n  var MAX_ARRAY_LENGTH = 4294967295,\n      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n  /** Used to associate wrap methods with their bit flags. */\n  var wrapFlags = [\n    ['ary', WRAP_ARY_FLAG],\n    ['bind', WRAP_BIND_FLAG],\n    ['bindKey', WRAP_BIND_KEY_FLAG],\n    ['curry', WRAP_CURRY_FLAG],\n    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n    ['flip', WRAP_FLIP_FLAG],\n    ['partial', WRAP_PARTIAL_FLAG],\n    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n    ['rearg', WRAP_REARG_FLAG]\n  ];\n\n  /** `Object#toString` result references. */\n  var argsTag = '[object Arguments]',\n      arrayTag = '[object Array]',\n      asyncTag = '[object AsyncFunction]',\n      boolTag = '[object Boolean]',\n      dateTag = '[object Date]',\n      domExcTag = '[object DOMException]',\n      errorTag = '[object Error]',\n      funcTag = '[object Function]',\n      genTag = '[object GeneratorFunction]',\n      mapTag = '[object Map]',\n      numberTag = '[object Number]',\n      nullTag = '[object Null]',\n      objectTag = '[object Object]',\n      promiseTag = '[object Promise]',\n      proxyTag = '[object Proxy]',\n      regexpTag = '[object RegExp]',\n      setTag = '[object Set]',\n      stringTag = '[object String]',\n      symbolTag = '[object Symbol]',\n      undefinedTag = '[object Undefined]',\n      weakMapTag = '[object WeakMap]',\n      weakSetTag = '[object WeakSet]';\n\n  var arrayBufferTag = '[object ArrayBuffer]',\n      dataViewTag = '[object DataView]',\n      float32Tag = '[object Float32Array]',\n      float64Tag = '[object Float64Array]',\n      int8Tag = '[object Int8Array]',\n      int16Tag = '[object Int16Array]',\n      int32Tag = '[object Int32Array]',\n      uint8Tag = '[object Uint8Array]',\n      uint8ClampedTag = '[object Uint8ClampedArray]',\n      uint16Tag = '[object Uint16Array]',\n      uint32Tag = '[object Uint32Array]';\n\n  /** Used to match empty string literals in compiled template source. */\n  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n  /** Used to match HTML entities and HTML characters. */\n  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n      reUnescapedHtml = /[&<>\"']/g,\n      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n  /** Used to match template delimiters. */\n  var reEscape = /<%-([\\s\\S]+?)%>/g,\n      reEvaluate = /<%([\\s\\S]+?)%>/g,\n      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n  /** Used to match property names within property paths. */\n  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n      reIsPlainProp = /^\\w*$/,\n      reLeadingDot = /^\\./,\n      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n  /**\n   * Used to match `RegExp`\n   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n   */\n  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n      reHasRegExpChar = RegExp(reRegExpChar.source);\n\n  /** Used to match leading and trailing whitespace. */\n  var reTrim = /^\\s+|\\s+$/g,\n      reTrimStart = /^\\s+/,\n      reTrimEnd = /\\s+$/;\n\n  /** Used to match wrap detail comments. */\n  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n      reSplitDetails = /,? & /;\n\n  /** Used to match words composed of alphanumeric characters. */\n  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n  /** Used to match backslashes in property paths. */\n  var reEscapeChar = /\\\\(\\\\)?/g;\n\n  /**\n   * Used to match\n   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n   */\n  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n  /** Used to match `RegExp` flags from their coerced string values. */\n  var reFlags = /\\w*$/;\n\n  /** Used to detect bad signed hexadecimal string values. */\n  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n  /** Used to detect binary string values. */\n  var reIsBinary = /^0b[01]+$/i;\n\n  /** Used to detect host constructors (Safari). */\n  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n  /** Used to detect octal string values. */\n  var reIsOctal = /^0o[0-7]+$/i;\n\n  /** Used to detect unsigned integer values. */\n  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n  /** Used to ensure capturing order of template delimiters. */\n  var reNoMatch = /($^)/;\n\n  /** Used to match unescaped characters in compiled string literals. */\n  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n  /** Used to compose unicode character classes. */\n  var rsAstralRange = '\\\\ud800-\\\\udfff',\n      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n  /** Used to compose unicode capture groups. */\n  var rsApos = \"['\\u2019]\",\n      rsAstral = '[' + rsAstralRange + ']',\n      rsBreak = '[' + rsBreakRange + ']',\n      rsCombo = '[' + rsComboRange + ']',\n      rsDigits = '\\\\d+',\n      rsDingbat = '[' + rsDingbatRange + ']',\n      rsLower = '[' + rsLowerRange + ']',\n      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n      rsNonAstral = '[^' + rsAstralRange + ']',\n      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n      rsUpper = '[' + rsUpperRange + ']',\n      rsZWJ = '\\\\u200d';\n\n  /** Used to compose unicode regexes. */\n  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n      reOptMod = rsModifier + '?',\n      rsOptVar = '[' + rsVarRange + ']?',\n      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n  /** Used to match apostrophes. */\n  var reApos = RegExp(rsApos, 'g');\n\n  /**\n   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n   */\n  var reComboMark = RegExp(rsCombo, 'g');\n\n  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n  /** Used to match complex or compound words. */\n  var reUnicodeWord = RegExp([\n    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n    rsUpper + '+' + rsOptContrUpper,\n    rsOrdUpper,\n    rsOrdLower,\n    rsDigits,\n    rsEmoji\n  ].join('|'), 'g');\n\n  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\n  /** Used to detect strings that need a more robust regexp to match words. */\n  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n  /** Used to assign default `context` object properties. */\n  var contextProps = [\n    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n  ];\n\n  /** Used to make template sourceURLs easier to identify. */\n  var templateCounter = -1;\n\n  /** Used to identify `toStringTag` values of typed arrays. */\n  var typedArrayTags = {};\n  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n  typedArrayTags[uint32Tag] = true;\n  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n  typedArrayTags[weakMapTag] = false;\n\n  /** Used to identify `toStringTag` values supported by `_.clone`. */\n  var cloneableTags = {};\n  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n  cloneableTags[boolTag] = cloneableTags[dateTag] =\n  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n  cloneableTags[numberTag] = cloneableTags[objectTag] =\n  cloneableTags[regexpTag] = cloneableTags[setTag] =\n  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n  cloneableTags[errorTag] = cloneableTags[funcTag] =\n  cloneableTags[weakMapTag] = false;\n\n  /** Used to map Latin Unicode letters to basic Latin letters. */\n  var deburredLetters = {\n    // Latin-1 Supplement block.\n    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n    '\\xc7': 'C',  '\\xe7': 'c',\n    '\\xd0': 'D',  '\\xf0': 'd',\n    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n    '\\xd1': 'N',  '\\xf1': 'n',\n    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n    '\\xc6': 'Ae', '\\xe6': 'ae',\n    '\\xde': 'Th', '\\xfe': 'th',\n    '\\xdf': 'ss',\n    // Latin Extended-A block.\n    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n    '\\u0134': 'J',  '\\u0135': 'j',\n    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n    '\\u0174': 'W',  '\\u0175': 'w',\n    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n    '\\u0132': 'IJ', '\\u0133': 'ij',\n    '\\u0152': 'Oe', '\\u0153': 'oe',\n    '\\u0149': \"'n\", '\\u017f': 's'\n  };\n\n  /** Used to map characters to HTML entities. */\n  var htmlEscapes = {\n    '&': '&amp;',\n    '<': '&lt;',\n    '>': '&gt;',\n    '\"': '&quot;',\n    \"'\": '&#39;'\n  };\n\n  /** Used to map HTML entities to characters. */\n  var htmlUnescapes = {\n    '&amp;': '&',\n    '&lt;': '<',\n    '&gt;': '>',\n    '&quot;': '\"',\n    '&#39;': \"'\"\n  };\n\n  /** Used to escape characters for inclusion in compiled string literals. */\n  var stringEscapes = {\n    '\\\\': '\\\\',\n    \"'\": \"'\",\n    '\\n': 'n',\n    '\\r': 'r',\n    '\\u2028': 'u2028',\n    '\\u2029': 'u2029'\n  };\n\n  /** Built-in method references without a dependency on `root`. */\n  var freeParseFloat = parseFloat,\n      freeParseInt = parseInt;\n\n  /** Detect free variable `global` from Node.js. */\n  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n  /** Detect free variable `self`. */\n  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n  /** Used as a reference to the global object. */\n  var root = freeGlobal || freeSelf || Function('return this')();\n\n  /** Detect free variable `exports`. */\n  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n  /** Detect free variable `module`. */\n  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n  /** Detect the popular CommonJS extension `module.exports`. */\n  var moduleExports = freeModule && freeModule.exports === freeExports;\n\n  /** Detect free variable `process` from Node.js. */\n  var freeProcess = moduleExports && freeGlobal.process;\n\n  /** Used to access faster Node.js helpers. */\n  var nodeUtil = (function() {\n    try {\n      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n    } catch (e) {}\n  }());\n\n  /* Node.js helper references. */\n  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n      nodeIsDate = nodeUtil && nodeUtil.isDate,\n      nodeIsMap = nodeUtil && nodeUtil.isMap,\n      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n      nodeIsSet = nodeUtil && nodeUtil.isSet,\n      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Adds the key-value `pair` to `map`.\n   *\n   * @private\n   * @param {Object} map The map to modify.\n   * @param {Array} pair The key-value pair to add.\n   * @returns {Object} Returns `map`.\n   */\n  function addMapEntry(map, pair) {\n    // Don't return `map.set` because it's not chainable in IE 11.\n    map.set(pair[0], pair[1]);\n    return map;\n  }\n\n  /**\n   * Adds `value` to `set`.\n   *\n   * @private\n   * @param {Object} set The set to modify.\n   * @param {*} value The value to add.\n   * @returns {Object} Returns `set`.\n   */\n  function addSetEntry(set, value) {\n    // Don't return `set.add` because it's not chainable in IE 11.\n    set.add(value);\n    return set;\n  }\n\n  /**\n   * A faster alternative to `Function#apply`, this function invokes `func`\n   * with the `this` binding of `thisArg` and the arguments of `args`.\n   *\n   * @private\n   * @param {Function} func The function to invoke.\n   * @param {*} thisArg The `this` binding of `func`.\n   * @param {Array} args The arguments to invoke `func` with.\n   * @returns {*} Returns the result of `func`.\n   */\n  function apply(func, thisArg, args) {\n    switch (args.length) {\n      case 0: return func.call(thisArg);\n      case 1: return func.call(thisArg, args[0]);\n      case 2: return func.call(thisArg, args[0], args[1]);\n      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n    }\n    return func.apply(thisArg, args);\n  }\n\n  /**\n   * A specialized version of `baseAggregator` for arrays.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} setter The function to set `accumulator` values.\n   * @param {Function} iteratee The iteratee to transform keys.\n   * @param {Object} accumulator The initial aggregated object.\n   * @returns {Function} Returns `accumulator`.\n   */\n  function arrayAggregator(array, setter, iteratee, accumulator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      var value = array[index];\n      setter(accumulator, value, iteratee(value), array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.forEach` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEach(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (iteratee(array[index], index, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.forEachRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEachRight(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n\n    while (length--) {\n      if (iteratee(array[length], length, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.every` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n   *  else `false`.\n   */\n  function arrayEvery(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (!predicate(array[index], index, array)) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * A specialized version of `_.filter` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {Array} Returns the new filtered array.\n   */\n  function arrayFilter(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (predicate(value, index, array)) {\n        result[resIndex++] = value;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.includes` for arrays without support for\n   * specifying an index to search from.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludes(array, value) {\n    var length = array == null ? 0 : array.length;\n    return !!length && baseIndexOf(array, value, 0) > -1;\n  }\n\n  /**\n   * This function is like `arrayIncludes` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludesWith(array, value, comparator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (comparator(value, array[index])) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * A specialized version of `_.map` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the new mapped array.\n   */\n  function arrayMap(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        result = Array(length);\n\n    while (++index < length) {\n      result[index] = iteratee(array[index], index, array);\n    }\n    return result;\n  }\n\n  /**\n   * Appends the elements of `values` to `array`.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {Array} values The values to append.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayPush(array, values) {\n    var index = -1,\n        length = values.length,\n        offset = array.length;\n\n    while (++index < length) {\n      array[offset + index] = values[index];\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.reduce` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the first element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduce(array, iteratee, accumulator, initAccum) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    if (initAccum && length) {\n      accumulator = array[++index];\n    }\n    while (++index < length) {\n      accumulator = iteratee(accumulator, array[index], index, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.reduceRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the last element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n    var length = array == null ? 0 : array.length;\n    if (initAccum && length) {\n      accumulator = array[--length];\n    }\n    while (length--) {\n      accumulator = iteratee(accumulator, array[length], length, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.some` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if any element passes the predicate check,\n   *  else `false`.\n   */\n  function arraySome(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (predicate(array[index], index, array)) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * Gets the size of an ASCII `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  var asciiSize = baseProperty('length');\n\n  /**\n   * Converts an ASCII `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function asciiToArray(string) {\n    return string.split('');\n  }\n\n  /**\n   * Splits an ASCII `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function asciiWords(string) {\n    return string.match(reAsciiWord) || [];\n  }\n\n  /**\n   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n   * without support for iteratee shorthands, which iterates over `collection`\n   * using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the found element or its key, else `undefined`.\n   */\n  function baseFindKey(collection, predicate, eachFunc) {\n    var result;\n    eachFunc(collection, function(value, key, collection) {\n      if (predicate(value, key, collection)) {\n        result = key;\n        return false;\n      }\n    });\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n   * support for iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {number} fromIndex The index to search from.\n   * @param {boolean} [fromRight] Specify iterating from right to left.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n    var length = array.length,\n        index = fromIndex + (fromRight ? 1 : -1);\n\n    while ((fromRight ? index-- : ++index < length)) {\n      if (predicate(array[index], index, array)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOf(array, value, fromIndex) {\n    return value === value\n      ? strictIndexOf(array, value, fromIndex)\n      : baseFindIndex(array, baseIsNaN, fromIndex);\n  }\n\n  /**\n   * This function is like `baseIndexOf` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOfWith(array, value, fromIndex, comparator) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (comparator(array[index], value)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.isNaN` without support for number objects.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n   */\n  function baseIsNaN(value) {\n    return value !== value;\n  }\n\n  /**\n   * The base implementation of `_.mean` and `_.meanBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the mean.\n   */\n  function baseMean(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n    return length ? (baseSum(array, iteratee) / length) : NAN;\n  }\n\n  /**\n   * The base implementation of `_.property` without support for deep paths.\n   *\n   * @private\n   * @param {string} key The key of the property to get.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function baseProperty(key) {\n    return function(object) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.propertyOf` without support for deep paths.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function basePropertyOf(object) {\n    return function(key) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} accumulator The initial value.\n   * @param {boolean} initAccum Specify using the first or last element of\n   *  `collection` as the initial value.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the accumulated value.\n   */\n  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n    eachFunc(collection, function(value, index, collection) {\n      accumulator = initAccum\n        ? (initAccum = false, value)\n        : iteratee(accumulator, value, index, collection);\n    });\n    return accumulator;\n  }\n\n  /**\n   * The base implementation of `_.sortBy` which uses `comparer` to define the\n   * sort order of `array` and replaces criteria objects with their corresponding\n   * values.\n   *\n   * @private\n   * @param {Array} array The array to sort.\n   * @param {Function} comparer The function to define sort order.\n   * @returns {Array} Returns `array`.\n   */\n  function baseSortBy(array, comparer) {\n    var length = array.length;\n\n    array.sort(comparer);\n    while (length--) {\n      array[length] = array[length].value;\n    }\n    return array;\n  }\n\n  /**\n   * The base implementation of `_.sum` and `_.sumBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the sum.\n   */\n  function baseSum(array, iteratee) {\n    var result,\n        index = -1,\n        length = array.length;\n\n    while (++index < length) {\n      var current = iteratee(array[index]);\n      if (current !== undefined) {\n        result = result === undefined ? current : (result + current);\n      }\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.times` without support for iteratee shorthands\n   * or max array length checks.\n   *\n   * @private\n   * @param {number} n The number of times to invoke `iteratee`.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the array of results.\n   */\n  function baseTimes(n, iteratee) {\n    var index = -1,\n        result = Array(n);\n\n    while (++index < n) {\n      result[index] = iteratee(index);\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n   * of key-value pairs for `object` corresponding to the property names of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the key-value pairs.\n   */\n  function baseToPairs(object, props) {\n    return arrayMap(props, function(key) {\n      return [key, object[key]];\n    });\n  }\n\n  /**\n   * The base implementation of `_.unary` without support for storing metadata.\n   *\n   * @private\n   * @param {Function} func The function to cap arguments for.\n   * @returns {Function} Returns the new capped function.\n   */\n  function baseUnary(func) {\n    return function(value) {\n      return func(value);\n    };\n  }\n\n  /**\n   * The base implementation of `_.values` and `_.valuesIn` which creates an\n   * array of `object` property values corresponding to the property names\n   * of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the array of property values.\n   */\n  function baseValues(object, props) {\n    return arrayMap(props, function(key) {\n      return object[key];\n    });\n  }\n\n  /**\n   * Checks if a `cache` value for `key` exists.\n   *\n   * @private\n   * @param {Object} cache The cache to query.\n   * @param {string} key The key of the entry to check.\n   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n   */\n  function cacheHas(cache, key) {\n    return cache.has(key);\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the first unmatched string symbol.\n   */\n  function charsStartIndex(strSymbols, chrSymbols) {\n    var index = -1,\n        length = strSymbols.length;\n\n    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the last unmatched string symbol.\n   */\n  function charsEndIndex(strSymbols, chrSymbols) {\n    var index = strSymbols.length;\n\n    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Gets the number of `placeholder` occurrences in `array`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} placeholder The placeholder to search for.\n   * @returns {number} Returns the placeholder count.\n   */\n  function countHolders(array, placeholder) {\n    var length = array.length,\n        result = 0;\n\n    while (length--) {\n      if (array[length] === placeholder) {\n        ++result;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n   * letters to basic Latin letters.\n   *\n   * @private\n   * @param {string} letter The matched letter to deburr.\n   * @returns {string} Returns the deburred letter.\n   */\n  var deburrLetter = basePropertyOf(deburredLetters);\n\n  /**\n   * Used by `_.escape` to convert characters to HTML entities.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n  /**\n   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  function escapeStringChar(chr) {\n    return '\\\\' + stringEscapes[chr];\n  }\n\n  /**\n   * Gets the value at `key` of `object`.\n   *\n   * @private\n   * @param {Object} [object] The object to query.\n   * @param {string} key The key of the property to get.\n   * @returns {*} Returns the property value.\n   */\n  function getValue(object, key) {\n    return object == null ? undefined : object[key];\n  }\n\n  /**\n   * Checks if `string` contains Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n   */\n  function hasUnicode(string) {\n    return reHasUnicode.test(string);\n  }\n\n  /**\n   * Checks if `string` contains a word composed of Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a word is found, else `false`.\n   */\n  function hasUnicodeWord(string) {\n    return reHasUnicodeWord.test(string);\n  }\n\n  /**\n   * Converts `iterator` to an array.\n   *\n   * @private\n   * @param {Object} iterator The iterator to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function iteratorToArray(iterator) {\n    var data,\n        result = [];\n\n    while (!(data = iterator.next()).done) {\n      result.push(data.value);\n    }\n    return result;\n  }\n\n  /**\n   * Converts `map` to its key-value pairs.\n   *\n   * @private\n   * @param {Object} map The map to convert.\n   * @returns {Array} Returns the key-value pairs.\n   */\n  function mapToArray(map) {\n    var index = -1,\n        result = Array(map.size);\n\n    map.forEach(function(value, key) {\n      result[++index] = [key, value];\n    });\n    return result;\n  }\n\n  /**\n   * Creates a unary function that invokes `func` with its argument transformed.\n   *\n   * @private\n   * @param {Function} func The function to wrap.\n   * @param {Function} transform The argument transform.\n   * @returns {Function} Returns the new function.\n   */\n  function overArg(func, transform) {\n    return function(arg) {\n      return func(transform(arg));\n    };\n  }\n\n  /**\n   * Replaces all `placeholder` elements in `array` with an internal placeholder\n   * and returns an array of their indexes.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {*} placeholder The placeholder to replace.\n   * @returns {Array} Returns the new array of placeholder indexes.\n   */\n  function replaceHolders(array, placeholder) {\n    var index = -1,\n        length = array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (value === placeholder || value === PLACEHOLDER) {\n        array[index] = PLACEHOLDER;\n        result[resIndex++] = index;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Converts `set` to an array of its values.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the values.\n   */\n  function setToArray(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = value;\n    });\n    return result;\n  }\n\n  /**\n   * Converts `set` to its value-value pairs.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the value-value pairs.\n   */\n  function setToPairs(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = [value, value];\n    });\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.indexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictIndexOf(array, value, fromIndex) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * A specialized version of `_.lastIndexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictLastIndexOf(array, value, fromIndex) {\n    var index = fromIndex + 1;\n    while (index--) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return index;\n  }\n\n  /**\n   * Gets the number of symbols in `string`.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {number} Returns the string size.\n   */\n  function stringSize(string) {\n    return hasUnicode(string)\n      ? unicodeSize(string)\n      : asciiSize(string);\n  }\n\n  /**\n   * Converts `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function stringToArray(string) {\n    return hasUnicode(string)\n      ? unicodeToArray(string)\n      : asciiToArray(string);\n  }\n\n  /**\n   * Used by `_.unescape` to convert HTML entities to characters.\n   *\n   * @private\n   * @param {string} chr The matched character to unescape.\n   * @returns {string} Returns the unescaped character.\n   */\n  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n  /**\n   * Gets the size of a Unicode `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  function unicodeSize(string) {\n    var result = reUnicode.lastIndex = 0;\n    while (reUnicode.test(string)) {\n      ++result;\n    }\n    return result;\n  }\n\n  /**\n   * Converts a Unicode `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function unicodeToArray(string) {\n    return string.match(reUnicode) || [];\n  }\n\n  /**\n   * Splits a Unicode `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function unicodeWords(string) {\n    return string.match(reUnicodeWord) || [];\n  }\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Create a new pristine `lodash` function using the `context` object.\n   *\n   * @static\n   * @memberOf _\n   * @since 1.1.0\n   * @category Util\n   * @param {Object} [context=root] The context object.\n   * @returns {Function} Returns a new `lodash` function.\n   * @example\n   *\n   * _.mixin({ 'foo': _.constant('foo') });\n   *\n   * var lodash = _.runInContext();\n   * lodash.mixin({ 'bar': lodash.constant('bar') });\n   *\n   * _.isFunction(_.foo);\n   * // => true\n   * _.isFunction(_.bar);\n   * // => false\n   *\n   * lodash.isFunction(lodash.foo);\n   * // => false\n   * lodash.isFunction(lodash.bar);\n   * // => true\n   *\n   * // Create a suped-up `defer` in Node.js.\n   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n   */\n  var runInContext = (function runInContext(context) {\n    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n    /** Built-in constructor references. */\n    var Array = context.Array,\n        Date = context.Date,\n        Error = context.Error,\n        Function = context.Function,\n        Math = context.Math,\n        Object = context.Object,\n        RegExp = context.RegExp,\n        String = context.String,\n        TypeError = context.TypeError;\n\n    /** Used for built-in method references. */\n    var arrayProto = Array.prototype,\n        funcProto = Function.prototype,\n        objectProto = Object.prototype;\n\n    /** Used to detect overreaching core-js shims. */\n    var coreJsData = context['__core-js_shared__'];\n\n    /** Used to resolve the decompiled source of functions. */\n    var funcToString = funcProto.toString;\n\n    /** Used to check objects for own properties. */\n    var hasOwnProperty = objectProto.hasOwnProperty;\n\n    /** Used to generate unique IDs. */\n    var idCounter = 0;\n\n    /** Used to detect methods masquerading as native. */\n    var maskSrcKey = (function() {\n      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n      return uid ? ('Symbol(src)_1.' + uid) : '';\n    }());\n\n    /**\n     * Used to resolve the\n     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n     * of values.\n     */\n    var nativeObjectToString = objectProto.toString;\n\n    /** Used to infer the `Object` constructor. */\n    var objectCtorString = funcToString.call(Object);\n\n    /** Used to restore the original `_` reference in `_.noConflict`. */\n    var oldDash = root._;\n\n    /** Used to detect if a method is native. */\n    var reIsNative = RegExp('^' +\n      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n    );\n\n    /** Built-in value references. */\n    var Buffer = moduleExports ? context.Buffer : undefined,\n        Symbol = context.Symbol,\n        Uint8Array = context.Uint8Array,\n        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n        getPrototype = overArg(Object.getPrototypeOf, Object),\n        objectCreate = Object.create,\n        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n        splice = arrayProto.splice,\n        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n        symIterator = Symbol ? Symbol.iterator : undefined,\n        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n    var defineProperty = (function() {\n      try {\n        var func = getNative(Object, 'defineProperty');\n        func({}, '', {});\n        return func;\n      } catch (e) {}\n    }());\n\n    /** Mocked built-ins. */\n    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n    /* Built-in method references for those with the same name as other `lodash` methods. */\n    var nativeCeil = Math.ceil,\n        nativeFloor = Math.floor,\n        nativeGetSymbols = Object.getOwnPropertySymbols,\n        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n        nativeIsFinite = context.isFinite,\n        nativeJoin = arrayProto.join,\n        nativeKeys = overArg(Object.keys, Object),\n        nativeMax = Math.max,\n        nativeMin = Math.min,\n        nativeNow = Date.now,\n        nativeParseInt = context.parseInt,\n        nativeRandom = Math.random,\n        nativeReverse = arrayProto.reverse;\n\n    /* Built-in method references that are verified to be native. */\n    var DataView = getNative(context, 'DataView'),\n        Map = getNative(context, 'Map'),\n        Promise = getNative(context, 'Promise'),\n        Set = getNative(context, 'Set'),\n        WeakMap = getNative(context, 'WeakMap'),\n        nativeCreate = getNative(Object, 'create');\n\n    /** Used to store function metadata. */\n    var metaMap = WeakMap && new WeakMap;\n\n    /** Used to lookup unminified function names. */\n    var realNames = {};\n\n    /** Used to detect maps, sets, and weakmaps. */\n    var dataViewCtorString = toSource(DataView),\n        mapCtorString = toSource(Map),\n        promiseCtorString = toSource(Promise),\n        setCtorString = toSource(Set),\n        weakMapCtorString = toSource(WeakMap);\n\n    /** Used to convert symbols to primitives and strings. */\n    var symbolProto = Symbol ? Symbol.prototype : undefined,\n        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` object which wraps `value` to enable implicit method\n     * chain sequences. Methods that operate on and return arrays, collections,\n     * and functions can be chained together. Methods that retrieve a single value\n     * or may return a primitive value will automatically end the chain sequence\n     * and return the unwrapped value. Otherwise, the value must be unwrapped\n     * with `_#value`.\n     *\n     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n     * enabled using `_.chain`.\n     *\n     * The execution of chained methods is lazy, that is, it's deferred until\n     * `_#value` is implicitly or explicitly called.\n     *\n     * Lazy evaluation allows several methods to support shortcut fusion.\n     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n     * the creation of intermediate arrays and can greatly reduce the number of\n     * iteratee executions. Sections of a chain sequence qualify for shortcut\n     * fusion if the section is applied to an array and iteratees accept only\n     * one argument. The heuristic for whether a section qualifies for shortcut\n     * fusion is subject to change.\n     *\n     * Chaining is supported in custom builds as long as the `_#value` method is\n     * directly or indirectly included in the build.\n     *\n     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n     *\n     * The wrapper `Array` methods are:\n     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n     *\n     * The wrapper `String` methods are:\n     * `replace` and `split`\n     *\n     * The wrapper methods that support shortcut fusion are:\n     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n     *\n     * The chainable wrapper methods are:\n     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n     * `zipObject`, `zipObjectDeep`, and `zipWith`\n     *\n     * The wrapper methods that are **not** chainable by default are:\n     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n     * `upperFirst`, `value`, and `words`\n     *\n     * @name _\n     * @constructor\n     * @category Seq\n     * @param {*} value The value to wrap in a `lodash` instance.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2, 3]);\n     *\n     * // Returns an unwrapped value.\n     * wrapped.reduce(_.add);\n     * // => 6\n     *\n     * // Returns a wrapped value.\n     * var squares = wrapped.map(square);\n     *\n     * _.isArray(squares);\n     * // => false\n     *\n     * _.isArray(squares.value());\n     * // => true\n     */\n    function lodash(value) {\n      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n        if (value instanceof LodashWrapper) {\n          return value;\n        }\n        if (hasOwnProperty.call(value, '__wrapped__')) {\n          return wrapperClone(value);\n        }\n      }\n      return new LodashWrapper(value);\n    }\n\n    /**\n     * The base implementation of `_.create` without support for assigning\n     * properties to the created object.\n     *\n     * @private\n     * @param {Object} proto The object to inherit from.\n     * @returns {Object} Returns the new object.\n     */\n    var baseCreate = (function() {\n      function object() {}\n      return function(proto) {\n        if (!isObject(proto)) {\n          return {};\n        }\n        if (objectCreate) {\n          return objectCreate(proto);\n        }\n        object.prototype = proto;\n        var result = new object;\n        object.prototype = undefined;\n        return result;\n      };\n    }());\n\n    /**\n     * The function whose prototype chain sequence wrappers inherit from.\n     *\n     * @private\n     */\n    function baseLodash() {\n      // No operation performed.\n    }\n\n    /**\n     * The base constructor for creating `lodash` wrapper objects.\n     *\n     * @private\n     * @param {*} value The value to wrap.\n     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n     */\n    function LodashWrapper(value, chainAll) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__chain__ = !!chainAll;\n      this.__index__ = 0;\n      this.__values__ = undefined;\n    }\n\n    /**\n     * By default, the template delimiters used by lodash are like those in\n     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n     * following template settings to use alternative delimiters.\n     *\n     * @static\n     * @memberOf _\n     * @type {Object}\n     */\n    lodash.templateSettings = {\n\n      /**\n       * Used to detect `data` property values to be HTML-escaped.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'escape': reEscape,\n\n      /**\n       * Used to detect code to be evaluated.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'evaluate': reEvaluate,\n\n      /**\n       * Used to detect `data` property values to inject.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'interpolate': reInterpolate,\n\n      /**\n       * Used to reference the data object in the template text.\n       *\n       * @memberOf _.templateSettings\n       * @type {string}\n       */\n      'variable': '',\n\n      /**\n       * Used to import variables into the compiled template.\n       *\n       * @memberOf _.templateSettings\n       * @type {Object}\n       */\n      'imports': {\n\n        /**\n         * A reference to the `lodash` function.\n         *\n         * @memberOf _.templateSettings.imports\n         * @type {Function}\n         */\n        '_': lodash\n      }\n    };\n\n    // Ensure wrappers are instances of `baseLodash`.\n    lodash.prototype = baseLodash.prototype;\n    lodash.prototype.constructor = lodash;\n\n    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n    LodashWrapper.prototype.constructor = LodashWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n     *\n     * @private\n     * @constructor\n     * @param {*} value The value to wrap.\n     */\n    function LazyWrapper(value) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__dir__ = 1;\n      this.__filtered__ = false;\n      this.__iteratees__ = [];\n      this.__takeCount__ = MAX_ARRAY_LENGTH;\n      this.__views__ = [];\n    }\n\n    /**\n     * Creates a clone of the lazy wrapper object.\n     *\n     * @private\n     * @name clone\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the cloned `LazyWrapper` object.\n     */\n    function lazyClone() {\n      var result = new LazyWrapper(this.__wrapped__);\n      result.__actions__ = copyArray(this.__actions__);\n      result.__dir__ = this.__dir__;\n      result.__filtered__ = this.__filtered__;\n      result.__iteratees__ = copyArray(this.__iteratees__);\n      result.__takeCount__ = this.__takeCount__;\n      result.__views__ = copyArray(this.__views__);\n      return result;\n    }\n\n    /**\n     * Reverses the direction of lazy iteration.\n     *\n     * @private\n     * @name reverse\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n     */\n    function lazyReverse() {\n      if (this.__filtered__) {\n        var result = new LazyWrapper(this);\n        result.__dir__ = -1;\n        result.__filtered__ = true;\n      } else {\n        result = this.clone();\n        result.__dir__ *= -1;\n      }\n      return result;\n    }\n\n    /**\n     * Extracts the unwrapped value from its lazy wrapper.\n     *\n     * @private\n     * @name value\n     * @memberOf LazyWrapper\n     * @returns {*} Returns the unwrapped value.\n     */\n    function lazyValue() {\n      var array = this.__wrapped__.value(),\n          dir = this.__dir__,\n          isArr = isArray(array),\n          isRight = dir < 0,\n          arrLength = isArr ? array.length : 0,\n          view = getView(0, arrLength, this.__views__),\n          start = view.start,\n          end = view.end,\n          length = end - start,\n          index = isRight ? end : (start - 1),\n          iteratees = this.__iteratees__,\n          iterLength = iteratees.length,\n          resIndex = 0,\n          takeCount = nativeMin(length, this.__takeCount__);\n\n      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n        return baseWrapperValue(array, this.__actions__);\n      }\n      var result = [];\n\n      outer:\n      while (length-- && resIndex < takeCount) {\n        index += dir;\n\n        var iterIndex = -1,\n            value = array[index];\n\n        while (++iterIndex < iterLength) {\n          var data = iteratees[iterIndex],\n              iteratee = data.iteratee,\n              type = data.type,\n              computed = iteratee(value);\n\n          if (type == LAZY_MAP_FLAG) {\n            value = computed;\n          } else if (!computed) {\n            if (type == LAZY_FILTER_FLAG) {\n              continue outer;\n            } else {\n              break outer;\n            }\n          }\n        }\n        result[resIndex++] = value;\n      }\n      return result;\n    }\n\n    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n    LazyWrapper.prototype.constructor = LazyWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a hash object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Hash(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the hash.\n     *\n     * @private\n     * @name clear\n     * @memberOf Hash\n     */\n    function hashClear() {\n      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the hash.\n     *\n     * @private\n     * @name delete\n     * @memberOf Hash\n     * @param {Object} hash The hash to modify.\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function hashDelete(key) {\n      var result = this.has(key) && delete this.__data__[key];\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the hash value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Hash\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function hashGet(key) {\n      var data = this.__data__;\n      if (nativeCreate) {\n        var result = data[key];\n        return result === HASH_UNDEFINED ? undefined : result;\n      }\n      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n    }\n\n    /**\n     * Checks if a hash value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Hash\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function hashHas(key) {\n      var data = this.__data__;\n      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n    }\n\n    /**\n     * Sets the hash `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Hash\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the hash instance.\n     */\n    function hashSet(key, value) {\n      var data = this.__data__;\n      this.size += this.has(key) ? 0 : 1;\n      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n      return this;\n    }\n\n    // Add methods to `Hash`.\n    Hash.prototype.clear = hashClear;\n    Hash.prototype['delete'] = hashDelete;\n    Hash.prototype.get = hashGet;\n    Hash.prototype.has = hashHas;\n    Hash.prototype.set = hashSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an list cache object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function ListCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the list cache.\n     *\n     * @private\n     * @name clear\n     * @memberOf ListCache\n     */\n    function listCacheClear() {\n      this.__data__ = [];\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the list cache.\n     *\n     * @private\n     * @name delete\n     * @memberOf ListCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function listCacheDelete(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        return false;\n      }\n      var lastIndex = data.length - 1;\n      if (index == lastIndex) {\n        data.pop();\n      } else {\n        splice.call(data, index, 1);\n      }\n      --this.size;\n      return true;\n    }\n\n    /**\n     * Gets the list cache value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf ListCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function listCacheGet(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      return index < 0 ? undefined : data[index][1];\n    }\n\n    /**\n     * Checks if a list cache value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf ListCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function listCacheHas(key) {\n      return assocIndexOf(this.__data__, key) > -1;\n    }\n\n    /**\n     * Sets the list cache `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf ListCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the list cache instance.\n     */\n    function listCacheSet(key, value) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        ++this.size;\n        data.push([key, value]);\n      } else {\n        data[index][1] = value;\n      }\n      return this;\n    }\n\n    // Add methods to `ListCache`.\n    ListCache.prototype.clear = listCacheClear;\n    ListCache.prototype['delete'] = listCacheDelete;\n    ListCache.prototype.get = listCacheGet;\n    ListCache.prototype.has = listCacheHas;\n    ListCache.prototype.set = listCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a map cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function MapCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the map.\n     *\n     * @private\n     * @name clear\n     * @memberOf MapCache\n     */\n    function mapCacheClear() {\n      this.size = 0;\n      this.__data__ = {\n        'hash': new Hash,\n        'map': new (Map || ListCache),\n        'string': new Hash\n      };\n    }\n\n    /**\n     * Removes `key` and its value from the map.\n     *\n     * @private\n     * @name delete\n     * @memberOf MapCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function mapCacheDelete(key) {\n      var result = getMapData(this, key)['delete'](key);\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the map value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf MapCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function mapCacheGet(key) {\n      return getMapData(this, key).get(key);\n    }\n\n    /**\n     * Checks if a map value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf MapCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function mapCacheHas(key) {\n      return getMapData(this, key).has(key);\n    }\n\n    /**\n     * Sets the map `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf MapCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the map cache instance.\n     */\n    function mapCacheSet(key, value) {\n      var data = getMapData(this, key),\n          size = data.size;\n\n      data.set(key, value);\n      this.size += data.size == size ? 0 : 1;\n      return this;\n    }\n\n    // Add methods to `MapCache`.\n    MapCache.prototype.clear = mapCacheClear;\n    MapCache.prototype['delete'] = mapCacheDelete;\n    MapCache.prototype.get = mapCacheGet;\n    MapCache.prototype.has = mapCacheHas;\n    MapCache.prototype.set = mapCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     *\n     * Creates an array cache object to store unique values.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [values] The values to cache.\n     */\n    function SetCache(values) {\n      var index = -1,\n          length = values == null ? 0 : values.length;\n\n      this.__data__ = new MapCache;\n      while (++index < length) {\n        this.add(values[index]);\n      }\n    }\n\n    /**\n     * Adds `value` to the array cache.\n     *\n     * @private\n     * @name add\n     * @memberOf SetCache\n     * @alias push\n     * @param {*} value The value to cache.\n     * @returns {Object} Returns the cache instance.\n     */\n    function setCacheAdd(value) {\n      this.__data__.set(value, HASH_UNDEFINED);\n      return this;\n    }\n\n    /**\n     * Checks if `value` is in the array cache.\n     *\n     * @private\n     * @name has\n     * @memberOf SetCache\n     * @param {*} value The value to search for.\n     * @returns {number} Returns `true` if `value` is found, else `false`.\n     */\n    function setCacheHas(value) {\n      return this.__data__.has(value);\n    }\n\n    // Add methods to `SetCache`.\n    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n    SetCache.prototype.has = setCacheHas;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a stack cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Stack(entries) {\n      var data = this.__data__ = new ListCache(entries);\n      this.size = data.size;\n    }\n\n    /**\n     * Removes all key-value entries from the stack.\n     *\n     * @private\n     * @name clear\n     * @memberOf Stack\n     */\n    function stackClear() {\n      this.__data__ = new ListCache;\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the stack.\n     *\n     * @private\n     * @name delete\n     * @memberOf Stack\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function stackDelete(key) {\n      var data = this.__data__,\n          result = data['delete'](key);\n\n      this.size = data.size;\n      return result;\n    }\n\n    /**\n     * Gets the stack value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Stack\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function stackGet(key) {\n      return this.__data__.get(key);\n    }\n\n    /**\n     * Checks if a stack value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Stack\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function stackHas(key) {\n      return this.__data__.has(key);\n    }\n\n    /**\n     * Sets the stack `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Stack\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the stack cache instance.\n     */\n    function stackSet(key, value) {\n      var data = this.__data__;\n      if (data instanceof ListCache) {\n        var pairs = data.__data__;\n        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n          pairs.push([key, value]);\n          this.size = ++data.size;\n          return this;\n        }\n        data = this.__data__ = new MapCache(pairs);\n      }\n      data.set(key, value);\n      this.size = data.size;\n      return this;\n    }\n\n    // Add methods to `Stack`.\n    Stack.prototype.clear = stackClear;\n    Stack.prototype['delete'] = stackDelete;\n    Stack.prototype.get = stackGet;\n    Stack.prototype.has = stackHas;\n    Stack.prototype.set = stackSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of the enumerable property names of the array-like `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @param {boolean} inherited Specify returning inherited property names.\n     * @returns {Array} Returns the array of property names.\n     */\n    function arrayLikeKeys(value, inherited) {\n      var isArr = isArray(value),\n          isArg = !isArr && isArguments(value),\n          isBuff = !isArr && !isArg && isBuffer(value),\n          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n          skipIndexes = isArr || isArg || isBuff || isType,\n          result = skipIndexes ? baseTimes(value.length, String) : [],\n          length = result.length;\n\n      for (var key in value) {\n        if ((inherited || hasOwnProperty.call(value, key)) &&\n            !(skipIndexes && (\n               // Safari 9 has enumerable `arguments.length` in strict mode.\n               key == 'length' ||\n               // Node.js 0.10 has enumerable non-index properties on buffers.\n               (isBuff && (key == 'offset' || key == 'parent')) ||\n               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n               // Skip index properties.\n               isIndex(key, length)\n            ))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `_.sample` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @returns {*} Returns the random element.\n     */\n    function arraySample(array) {\n      var length = array.length;\n      return length ? array[baseRandom(0, length - 1)] : undefined;\n    }\n\n    /**\n     * A specialized version of `_.sampleSize` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function arraySampleSize(array, n) {\n      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * A specialized version of `_.shuffle` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function arrayShuffle(array) {\n      return shuffleSelf(copyArray(array));\n    }\n\n    /**\n     * This function is like `assignValue` except that it doesn't assign\n     * `undefined` values.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignMergeValue(object, key, value) {\n      if ((value !== undefined && !eq(object[key], value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignValue(object, key, value) {\n      var objValue = object[key];\n      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Gets the index at which the `key` is found in `array` of key-value pairs.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {*} key The key to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     */\n    function assocIndexOf(array, key) {\n      var length = array.length;\n      while (length--) {\n        if (eq(array[length][0], key)) {\n          return length;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * Aggregates elements of `collection` on `accumulator` with keys transformed\n     * by `iteratee` and values set by `setter`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform keys.\n     * @param {Object} accumulator The initial aggregated object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseAggregator(collection, setter, iteratee, accumulator) {\n      baseEach(collection, function(value, key, collection) {\n        setter(accumulator, value, iteratee(value), collection);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.assign` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssign(object, source) {\n      return object && copyObject(source, keys(source), object);\n    }\n\n    /**\n     * The base implementation of `_.assignIn` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssignIn(object, source) {\n      return object && copyObject(source, keysIn(source), object);\n    }\n\n    /**\n     * The base implementation of `assignValue` and `assignMergeValue` without\n     * value checks.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function baseAssignValue(object, key, value) {\n      if (key == '__proto__' && defineProperty) {\n        defineProperty(object, key, {\n          'configurable': true,\n          'enumerable': true,\n          'value': value,\n          'writable': true\n        });\n      } else {\n        object[key] = value;\n      }\n    }\n\n    /**\n     * The base implementation of `_.at` without support for individual paths.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Array} Returns the picked elements.\n     */\n    function baseAt(object, paths) {\n      var index = -1,\n          length = paths.length,\n          result = Array(length),\n          skip = object == null;\n\n      while (++index < length) {\n        result[index] = skip ? undefined : get(object, paths[index]);\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.clamp` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     */\n    function baseClamp(number, lower, upper) {\n      if (number === number) {\n        if (upper !== undefined) {\n          number = number <= upper ? number : upper;\n        }\n        if (lower !== undefined) {\n          number = number >= lower ? number : lower;\n        }\n      }\n      return number;\n    }\n\n    /**\n     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n     * traversed objects.\n     *\n     * @private\n     * @param {*} value The value to clone.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Deep clone\n     *  2 - Flatten inherited properties\n     *  4 - Clone symbols\n     * @param {Function} [customizer] The function to customize cloning.\n     * @param {string} [key] The key of `value`.\n     * @param {Object} [object] The parent object of `value`.\n     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n     * @returns {*} Returns the cloned value.\n     */\n    function baseClone(value, bitmask, customizer, key, object, stack) {\n      var result,\n          isDeep = bitmask & CLONE_DEEP_FLAG,\n          isFlat = bitmask & CLONE_FLAT_FLAG,\n          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n      if (customizer) {\n        result = object ? customizer(value, key, object, stack) : customizer(value);\n      }\n      if (result !== undefined) {\n        return result;\n      }\n      if (!isObject(value)) {\n        return value;\n      }\n      var isArr = isArray(value);\n      if (isArr) {\n        result = initCloneArray(value);\n        if (!isDeep) {\n          return copyArray(value, result);\n        }\n      } else {\n        var tag = getTag(value),\n            isFunc = tag == funcTag || tag == genTag;\n\n        if (isBuffer(value)) {\n          return cloneBuffer(value, isDeep);\n        }\n        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n          if (!isDeep) {\n            return isFlat\n              ? copySymbolsIn(value, baseAssignIn(result, value))\n              : copySymbols(value, baseAssign(result, value));\n          }\n        } else {\n          if (!cloneableTags[tag]) {\n            return object ? value : {};\n          }\n          result = initCloneByTag(value, tag, baseClone, isDeep);\n        }\n      }\n      // Check for circular references and return its corresponding clone.\n      stack || (stack = new Stack);\n      var stacked = stack.get(value);\n      if (stacked) {\n        return stacked;\n      }\n      stack.set(value, result);\n\n      var keysFunc = isFull\n        ? (isFlat ? getAllKeysIn : getAllKeys)\n        : (isFlat ? keysIn : keys);\n\n      var props = isArr ? undefined : keysFunc(value);\n      arrayEach(props || value, function(subValue, key) {\n        if (props) {\n          key = subValue;\n          subValue = value[key];\n        }\n        // Recursively populate clone (susceptible to call stack limits).\n        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.conforms` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseConforms(source) {\n      var props = keys(source);\n      return function(object) {\n        return baseConformsTo(object, source, props);\n      };\n    }\n\n    /**\n     * The base implementation of `_.conformsTo` which accepts `props` to check.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     */\n    function baseConformsTo(object, source, props) {\n      var length = props.length;\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (length--) {\n        var key = props[length],\n            predicate = source[key],\n            value = object[key];\n\n        if ((value === undefined && !(key in object)) || !predicate(value)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n     * to provide to `func`.\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {Array} args The arguments to provide to `func`.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    function baseDelay(func, wait, args) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return setTimeout(function() { func.apply(undefined, args); }, wait);\n    }\n\n    /**\n     * The base implementation of methods like `_.difference` without support\n     * for excluding multiple arrays or iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Array} values The values to exclude.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     */\n    function baseDifference(array, values, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          isCommon = true,\n          length = array.length,\n          result = [],\n          valuesLength = values.length;\n\n      if (!length) {\n        return result;\n      }\n      if (iteratee) {\n        values = arrayMap(values, baseUnary(iteratee));\n      }\n      if (comparator) {\n        includes = arrayIncludesWith;\n        isCommon = false;\n      }\n      else if (values.length >= LARGE_ARRAY_SIZE) {\n        includes = cacheHas;\n        isCommon = false;\n        values = new SetCache(values);\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee == null ? value : iteratee(value);\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var valuesIndex = valuesLength;\n          while (valuesIndex--) {\n            if (values[valuesIndex] === computed) {\n              continue outer;\n            }\n          }\n          result.push(value);\n        }\n        else if (!includes(values, computed, comparator)) {\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.forEach` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEach = createBaseEach(baseForOwn);\n\n    /**\n     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n    /**\n     * The base implementation of `_.every` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`\n     */\n    function baseEvery(collection, predicate) {\n      var result = true;\n      baseEach(collection, function(value, index, collection) {\n        result = !!predicate(value, index, collection);\n        return result;\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of methods like `_.max` and `_.min` which accepts a\n     * `comparator` to determine the extremum value.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The iteratee invoked per iteration.\n     * @param {Function} comparator The comparator used to compare values.\n     * @returns {*} Returns the extremum value.\n     */\n    function baseExtremum(array, iteratee, comparator) {\n      var index = -1,\n          length = array.length;\n\n      while (++index < length) {\n        var value = array[index],\n            current = iteratee(value);\n\n        if (current != null && (computed === undefined\n              ? (current === current && !isSymbol(current))\n              : comparator(current, computed)\n            )) {\n          var computed = current,\n              result = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.fill` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     */\n    function baseFill(array, value, start, end) {\n      var length = array.length;\n\n      start = toInteger(start);\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = (end === undefined || end > length) ? length : toInteger(end);\n      if (end < 0) {\n        end += length;\n      }\n      end = start > end ? 0 : toLength(end);\n      while (start < end) {\n        array[start++] = value;\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.filter` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     */\n    function baseFilter(collection, predicate) {\n      var result = [];\n      baseEach(collection, function(value, index, collection) {\n        if (predicate(value, index, collection)) {\n          result.push(value);\n        }\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.flatten` with support for restricting flattening.\n     *\n     * @private\n     * @param {Array} array The array to flatten.\n     * @param {number} depth The maximum recursion depth.\n     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n     * @param {Array} [result=[]] The initial result value.\n     * @returns {Array} Returns the new flattened array.\n     */\n    function baseFlatten(array, depth, predicate, isStrict, result) {\n      var index = -1,\n          length = array.length;\n\n      predicate || (predicate = isFlattenable);\n      result || (result = []);\n\n      while (++index < length) {\n        var value = array[index];\n        if (depth > 0 && predicate(value)) {\n          if (depth > 1) {\n            // Recursively flatten arrays (susceptible to call stack limits).\n            baseFlatten(value, depth - 1, predicate, isStrict, result);\n          } else {\n            arrayPush(result, value);\n          }\n        } else if (!isStrict) {\n          result[result.length] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `baseForOwn` which iterates over `object`\n     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseFor = createBaseFor();\n\n    /**\n     * This function is like `baseFor` except that it iterates over properties\n     * in the opposite order.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseForRight = createBaseFor(true);\n\n    /**\n     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwn(object, iteratee) {\n      return object && baseFor(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwnRight(object, iteratee) {\n      return object && baseForRight(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.functions` which creates an array of\n     * `object` function property names filtered from `props`.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Array} props The property names to filter.\n     * @returns {Array} Returns the function names.\n     */\n    function baseFunctions(object, props) {\n      return arrayFilter(props, function(key) {\n        return isFunction(object[key]);\n      });\n    }\n\n    /**\n     * The base implementation of `_.get` without support for default values.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseGet(object, path) {\n      path = castPath(path, object);\n\n      var index = 0,\n          length = path.length;\n\n      while (object != null && index < length) {\n        object = object[toKey(path[index++])];\n      }\n      return (index && index == length) ? object : undefined;\n    }\n\n    /**\n     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n      var result = keysFunc(object);\n      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n    }\n\n    /**\n     * The base implementation of `getTag` without fallbacks for buggy environments.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    function baseGetTag(value) {\n      if (value == null) {\n        return value === undefined ? undefinedTag : nullTag;\n      }\n      return (symToStringTag && symToStringTag in Object(value))\n        ? getRawTag(value)\n        : objectToString(value);\n    }\n\n    /**\n     * The base implementation of `_.gt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     */\n    function baseGt(value, other) {\n      return value > other;\n    }\n\n    /**\n     * The base implementation of `_.has` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHas(object, key) {\n      return object != null && hasOwnProperty.call(object, key);\n    }\n\n    /**\n     * The base implementation of `_.hasIn` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHasIn(object, key) {\n      return object != null && key in Object(object);\n    }\n\n    /**\n     * The base implementation of `_.inRange` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to check.\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     */\n    function baseInRange(number, start, end) {\n      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n    }\n\n    /**\n     * The base implementation of methods like `_.intersection`, without support\n     * for iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of shared values.\n     */\n    function baseIntersection(arrays, iteratee, comparator) {\n      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n          length = arrays[0].length,\n          othLength = arrays.length,\n          othIndex = othLength,\n          caches = Array(othLength),\n          maxLength = Infinity,\n          result = [];\n\n      while (othIndex--) {\n        var array = arrays[othIndex];\n        if (othIndex && iteratee) {\n          array = arrayMap(array, baseUnary(iteratee));\n        }\n        maxLength = nativeMin(array.length, maxLength);\n        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n          ? new SetCache(othIndex && array)\n          : undefined;\n      }\n      array = arrays[0];\n\n      var index = -1,\n          seen = caches[0];\n\n      outer:\n      while (++index < length && result.length < maxLength) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (!(seen\n              ? cacheHas(seen, computed)\n              : includes(result, computed, comparator)\n            )) {\n          othIndex = othLength;\n          while (--othIndex) {\n            var cache = caches[othIndex];\n            if (!(cache\n                  ? cacheHas(cache, computed)\n                  : includes(arrays[othIndex], computed, comparator))\n                ) {\n              continue outer;\n            }\n          }\n          if (seen) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.invert` and `_.invertBy` which inverts\n     * `object` with values transformed by `iteratee` and set by `setter`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform values.\n     * @param {Object} accumulator The initial inverted object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseInverter(object, setter, iteratee, accumulator) {\n      baseForOwn(object, function(value, key, object) {\n        setter(accumulator, iteratee(value), key, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.invoke` without support for individual\n     * method arguments.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {Array} args The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     */\n    function baseInvoke(object, path, args) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      var func = object == null ? object : object[toKey(last(path))];\n      return func == null ? undefined : apply(func, object, args);\n    }\n\n    /**\n     * The base implementation of `_.isArguments`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     */\n    function baseIsArguments(value) {\n      return isObjectLike(value) && baseGetTag(value) == argsTag;\n    }\n\n    /**\n     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     */\n    function baseIsArrayBuffer(value) {\n      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n    }\n\n    /**\n     * The base implementation of `_.isDate` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     */\n    function baseIsDate(value) {\n      return isObjectLike(value) && baseGetTag(value) == dateTag;\n    }\n\n    /**\n     * The base implementation of `_.isEqual` which supports partial comparisons\n     * and tracks traversed objects.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Unordered comparison\n     *  2 - Partial comparison\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     */\n    function baseIsEqual(value, other, bitmask, customizer, stack) {\n      if (value === other) {\n        return true;\n      }\n      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n        return value !== value && other !== other;\n      }\n      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n    }\n\n    /**\n     * A specialized version of `baseIsEqual` for arrays and objects which performs\n     * deep comparisons and tracks traversed objects enabling objects with circular\n     * references to be compared.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n      var objIsArr = isArray(object),\n          othIsArr = isArray(other),\n          objTag = objIsArr ? arrayTag : getTag(object),\n          othTag = othIsArr ? arrayTag : getTag(other);\n\n      objTag = objTag == argsTag ? objectTag : objTag;\n      othTag = othTag == argsTag ? objectTag : othTag;\n\n      var objIsObj = objTag == objectTag,\n          othIsObj = othTag == objectTag,\n          isSameTag = objTag == othTag;\n\n      if (isSameTag && isBuffer(object)) {\n        if (!isBuffer(other)) {\n          return false;\n        }\n        objIsArr = true;\n        objIsObj = false;\n      }\n      if (isSameTag && !objIsObj) {\n        stack || (stack = new Stack);\n        return (objIsArr || isTypedArray(object))\n          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n      }\n      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n        if (objIsWrapped || othIsWrapped) {\n          var objUnwrapped = objIsWrapped ? object.value() : object,\n              othUnwrapped = othIsWrapped ? other.value() : other;\n\n          stack || (stack = new Stack);\n          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n        }\n      }\n      if (!isSameTag) {\n        return false;\n      }\n      stack || (stack = new Stack);\n      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n    }\n\n    /**\n     * The base implementation of `_.isMap` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     */\n    function baseIsMap(value) {\n      return isObjectLike(value) && getTag(value) == mapTag;\n    }\n\n    /**\n     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Array} matchData The property names, values, and compare flags to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     */\n    function baseIsMatch(object, source, matchData, customizer) {\n      var index = matchData.length,\n          length = index,\n          noCustomizer = !customizer;\n\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (index--) {\n        var data = matchData[index];\n        if ((noCustomizer && data[2])\n              ? data[1] !== object[data[0]]\n              : !(data[0] in object)\n            ) {\n          return false;\n        }\n      }\n      while (++index < length) {\n        data = matchData[index];\n        var key = data[0],\n            objValue = object[key],\n            srcValue = data[1];\n\n        if (noCustomizer && data[2]) {\n          if (objValue === undefined && !(key in object)) {\n            return false;\n          }\n        } else {\n          var stack = new Stack;\n          if (customizer) {\n            var result = customizer(objValue, srcValue, key, object, source, stack);\n          }\n          if (!(result === undefined\n                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n                : result\n              )) {\n            return false;\n          }\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.isNative` without bad shim checks.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     */\n    function baseIsNative(value) {\n      if (!isObject(value) || isMasked(value)) {\n        return false;\n      }\n      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n      return pattern.test(toSource(value));\n    }\n\n    /**\n     * The base implementation of `_.isRegExp` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     */\n    function baseIsRegExp(value) {\n      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n    }\n\n    /**\n     * The base implementation of `_.isSet` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     */\n    function baseIsSet(value) {\n      return isObjectLike(value) && getTag(value) == setTag;\n    }\n\n    /**\n     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     */\n    function baseIsTypedArray(value) {\n      return isObjectLike(value) &&\n        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n    }\n\n    /**\n     * The base implementation of `_.iteratee`.\n     *\n     * @private\n     * @param {*} [value=_.identity] The value to convert to an iteratee.\n     * @returns {Function} Returns the iteratee.\n     */\n    function baseIteratee(value) {\n      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n      if (typeof value == 'function') {\n        return value;\n      }\n      if (value == null) {\n        return identity;\n      }\n      if (typeof value == 'object') {\n        return isArray(value)\n          ? baseMatchesProperty(value[0], value[1])\n          : baseMatches(value);\n      }\n      return property(value);\n    }\n\n    /**\n     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeys(object) {\n      if (!isPrototype(object)) {\n        return nativeKeys(object);\n      }\n      var result = [];\n      for (var key in Object(object)) {\n        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeysIn(object) {\n      if (!isObject(object)) {\n        return nativeKeysIn(object);\n      }\n      var isProto = isPrototype(object),\n          result = [];\n\n      for (var key in object) {\n        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.lt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     */\n    function baseLt(value, other) {\n      return value < other;\n    }\n\n    /**\n     * The base implementation of `_.map` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     */\n    function baseMap(collection, iteratee) {\n      var index = -1,\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value, key, collection) {\n        result[++index] = iteratee(value, key, collection);\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.matches` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatches(source) {\n      var matchData = getMatchData(source);\n      if (matchData.length == 1 && matchData[0][2]) {\n        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n      }\n      return function(object) {\n        return object === source || baseIsMatch(object, source, matchData);\n      };\n    }\n\n    /**\n     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n     *\n     * @private\n     * @param {string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatchesProperty(path, srcValue) {\n      if (isKey(path) && isStrictComparable(srcValue)) {\n        return matchesStrictComparable(toKey(path), srcValue);\n      }\n      return function(object) {\n        var objValue = get(object, path);\n        return (objValue === undefined && objValue === srcValue)\n          ? hasIn(object, path)\n          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n      };\n    }\n\n    /**\n     * The base implementation of `_.merge` without support for multiple sources.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} [customizer] The function to customize merged values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMerge(object, source, srcIndex, customizer, stack) {\n      if (object === source) {\n        return;\n      }\n      baseFor(source, function(srcValue, key) {\n        if (isObject(srcValue)) {\n          stack || (stack = new Stack);\n          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n        }\n        else {\n          var newValue = customizer\n            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n            : undefined;\n\n          if (newValue === undefined) {\n            newValue = srcValue;\n          }\n          assignMergeValue(object, key, newValue);\n        }\n      }, keysIn);\n    }\n\n    /**\n     * A specialized version of `baseMerge` for arrays and objects which performs\n     * deep merges and tracks traversed objects enabling objects with circular\n     * references to be merged.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {string} key The key of the value to merge.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} mergeFunc The function to merge values.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n      var objValue = object[key],\n          srcValue = source[key],\n          stacked = stack.get(srcValue);\n\n      if (stacked) {\n        assignMergeValue(object, key, stacked);\n        return;\n      }\n      var newValue = customizer\n        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n        : undefined;\n\n      var isCommon = newValue === undefined;\n\n      if (isCommon) {\n        var isArr = isArray(srcValue),\n            isBuff = !isArr && isBuffer(srcValue),\n            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n        newValue = srcValue;\n        if (isArr || isBuff || isTyped) {\n          if (isArray(objValue)) {\n            newValue = objValue;\n          }\n          else if (isArrayLikeObject(objValue)) {\n            newValue = copyArray(objValue);\n          }\n          else if (isBuff) {\n            isCommon = false;\n            newValue = cloneBuffer(srcValue, true);\n          }\n          else if (isTyped) {\n            isCommon = false;\n            newValue = cloneTypedArray(srcValue, true);\n          }\n          else {\n            newValue = [];\n          }\n        }\n        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n          newValue = objValue;\n          if (isArguments(objValue)) {\n            newValue = toPlainObject(objValue);\n          }\n          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n            newValue = initCloneObject(srcValue);\n          }\n        }\n        else {\n          isCommon = false;\n        }\n      }\n      if (isCommon) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, newValue);\n        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n        stack['delete'](srcValue);\n      }\n      assignMergeValue(object, key, newValue);\n    }\n\n    /**\n     * The base implementation of `_.nth` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {number} n The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     */\n    function baseNth(array, n) {\n      var length = array.length;\n      if (!length) {\n        return;\n      }\n      n += n < 0 ? length : 0;\n      return isIndex(n, length) ? array[n] : undefined;\n    }\n\n    /**\n     * The base implementation of `_.orderBy` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n     * @param {string[]} orders The sort orders of `iteratees`.\n     * @returns {Array} Returns the new sorted array.\n     */\n    function baseOrderBy(collection, iteratees, orders) {\n      var index = -1;\n      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\n      var result = baseMap(collection, function(value, key, collection) {\n        var criteria = arrayMap(iteratees, function(iteratee) {\n          return iteratee(value);\n        });\n        return { 'criteria': criteria, 'index': ++index, 'value': value };\n      });\n\n      return baseSortBy(result, function(object, other) {\n        return compareMultiple(object, other, orders);\n      });\n    }\n\n    /**\n     * The base implementation of `_.pick` without support for individual\n     * property identifiers.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Object} Returns the new object.\n     */\n    function basePick(object, paths) {\n      return basePickBy(object, paths, function(value, path) {\n        return hasIn(object, path);\n      });\n    }\n\n    /**\n     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @param {Function} predicate The function invoked per property.\n     * @returns {Object} Returns the new object.\n     */\n    function basePickBy(object, paths, predicate) {\n      var index = -1,\n          length = paths.length,\n          result = {};\n\n      while (++index < length) {\n        var path = paths[index],\n            value = baseGet(object, path);\n\n        if (predicate(value, path)) {\n          baseSet(result, castPath(path, object), value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseProperty` which supports deep paths.\n     *\n     * @private\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     */\n    function basePropertyDeep(path) {\n      return function(object) {\n        return baseGet(object, path);\n      };\n    }\n\n    /**\n     * The base implementation of `_.pullAllBy` without support for iteratee\n     * shorthands.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAll(array, values, iteratee, comparator) {\n      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n          index = -1,\n          length = values.length,\n          seen = array;\n\n      if (array === values) {\n        values = copyArray(values);\n      }\n      if (iteratee) {\n        seen = arrayMap(array, baseUnary(iteratee));\n      }\n      while (++index < length) {\n        var fromIndex = 0,\n            value = values[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n          if (seen !== array) {\n            splice.call(seen, fromIndex, 1);\n          }\n          splice.call(array, fromIndex, 1);\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.pullAt` without support for individual\n     * indexes or capturing the removed elements.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {number[]} indexes The indexes of elements to remove.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAt(array, indexes) {\n      var length = array ? indexes.length : 0,\n          lastIndex = length - 1;\n\n      while (length--) {\n        var index = indexes[length];\n        if (length == lastIndex || index !== previous) {\n          var previous = index;\n          if (isIndex(index)) {\n            splice.call(array, index, 1);\n          } else {\n            baseUnset(array, index);\n          }\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.random` without support for returning\n     * floating-point numbers.\n     *\n     * @private\n     * @param {number} lower The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the random number.\n     */\n    function baseRandom(lower, upper) {\n      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n    }\n\n    /**\n     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n     * coerce arguments.\n     *\n     * @private\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} step The value to increment or decrement by.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the range of numbers.\n     */\n    function baseRange(start, end, step, fromRight) {\n      var index = -1,\n          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n          result = Array(length);\n\n      while (length--) {\n        result[fromRight ? length : ++index] = start;\n        start += step;\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.repeat` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {string} string The string to repeat.\n     * @param {number} n The number of times to repeat the string.\n     * @returns {string} Returns the repeated string.\n     */\n    function baseRepeat(string, n) {\n      var result = '';\n      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n        return result;\n      }\n      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n      do {\n        if (n % 2) {\n          result += string;\n        }\n        n = nativeFloor(n / 2);\n        if (n) {\n          string += string;\n        }\n      } while (n);\n\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     */\n    function baseRest(func, start) {\n      return setToString(overRest(func, start, identity), func + '');\n    }\n\n    /**\n     * The base implementation of `_.sample`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     */\n    function baseSample(collection) {\n      return arraySample(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.sampleSize` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function baseSampleSize(collection, n) {\n      var array = values(collection);\n      return shuffleSelf(array, baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * The base implementation of `_.set`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseSet(object, path, value, customizer) {\n      if (!isObject(object)) {\n        return object;\n      }\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          lastIndex = length - 1,\n          nested = object;\n\n      while (nested != null && ++index < length) {\n        var key = toKey(path[index]),\n            newValue = value;\n\n        if (index != lastIndex) {\n          var objValue = nested[key];\n          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n          if (newValue === undefined) {\n            newValue = isObject(objValue)\n              ? objValue\n              : (isIndex(path[index + 1]) ? [] : {});\n          }\n        }\n        assignValue(nested, key, newValue);\n        nested = nested[key];\n      }\n      return object;\n    }\n\n    /**\n     * The base implementation of `setData` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetData = !metaMap ? identity : function(func, data) {\n      metaMap.set(func, data);\n      return func;\n    };\n\n    /**\n     * The base implementation of `setToString` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetToString = !defineProperty ? identity : function(func, string) {\n      return defineProperty(func, 'toString', {\n        'configurable': true,\n        'enumerable': false,\n        'value': constant(string),\n        'writable': true\n      });\n    };\n\n    /**\n     * The base implementation of `_.shuffle`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function baseShuffle(collection) {\n      return shuffleSelf(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.slice` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseSlice(array, start, end) {\n      var index = -1,\n          length = array.length;\n\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = end > length ? length : end;\n      if (end < 0) {\n        end += length;\n      }\n      length = start > end ? 0 : ((end - start) >>> 0);\n      start >>>= 0;\n\n      var result = Array(length);\n      while (++index < length) {\n        result[index] = array[index + start];\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.some` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     */\n    function baseSome(collection, predicate) {\n      var result;\n\n      baseEach(collection, function(value, index, collection) {\n        result = predicate(value, index, collection);\n        return !result;\n      });\n      return !!result;\n    }\n\n    /**\n     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n     * performs a binary search of `array` to determine the index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndex(array, value, retHighest) {\n      var low = 0,\n          high = array == null ? low : array.length;\n\n      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n        while (low < high) {\n          var mid = (low + high) >>> 1,\n              computed = array[mid];\n\n          if (computed !== null && !isSymbol(computed) &&\n              (retHighest ? (computed <= value) : (computed < value))) {\n            low = mid + 1;\n          } else {\n            high = mid;\n          }\n        }\n        return high;\n      }\n      return baseSortedIndexBy(array, value, identity, retHighest);\n    }\n\n    /**\n     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n     * which invokes `iteratee` for `value` and each element of `array` to compute\n     * their sort ranking. The iteratee is invoked with one argument; (value).\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} iteratee The iteratee invoked per element.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n      value = iteratee(value);\n\n      var low = 0,\n          high = array == null ? 0 : array.length,\n          valIsNaN = value !== value,\n          valIsNull = value === null,\n          valIsSymbol = isSymbol(value),\n          valIsUndefined = value === undefined;\n\n      while (low < high) {\n        var mid = nativeFloor((low + high) / 2),\n            computed = iteratee(array[mid]),\n            othIsDefined = computed !== undefined,\n            othIsNull = computed === null,\n            othIsReflexive = computed === computed,\n            othIsSymbol = isSymbol(computed);\n\n        if (valIsNaN) {\n          var setLow = retHighest || othIsReflexive;\n        } else if (valIsUndefined) {\n          setLow = othIsReflexive && (retHighest || othIsDefined);\n        } else if (valIsNull) {\n          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n        } else if (valIsSymbol) {\n          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n        } else if (othIsNull || othIsSymbol) {\n          setLow = false;\n        } else {\n          setLow = retHighest ? (computed <= value) : (computed < value);\n        }\n        if (setLow) {\n          low = mid + 1;\n        } else {\n          high = mid;\n        }\n      }\n      return nativeMin(high, MAX_ARRAY_INDEX);\n    }\n\n    /**\n     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n     * support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseSortedUniq(array, iteratee) {\n      var index = -1,\n          length = array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        if (!index || !eq(computed, seen)) {\n          var seen = computed;\n          result[resIndex++] = value === 0 ? 0 : value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.toNumber` which doesn't ensure correct\n     * conversions of binary, hexadecimal, or octal string values.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     */\n    function baseToNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      return +value;\n    }\n\n    /**\n     * The base implementation of `_.toString` which doesn't convert nullish\n     * values to empty strings.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {string} Returns the string.\n     */\n    function baseToString(value) {\n      // Exit early for strings to avoid a performance hit in some environments.\n      if (typeof value == 'string') {\n        return value;\n      }\n      if (isArray(value)) {\n        // Recursively convert values (susceptible to call stack limits).\n        return arrayMap(value, baseToString) + '';\n      }\n      if (isSymbol(value)) {\n        return symbolToString ? symbolToString.call(value) : '';\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseUniq(array, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          length = array.length,\n          isCommon = true,\n          result = [],\n          seen = result;\n\n      if (comparator) {\n        isCommon = false;\n        includes = arrayIncludesWith;\n      }\n      else if (length >= LARGE_ARRAY_SIZE) {\n        var set = iteratee ? null : createSet(array);\n        if (set) {\n          return setToArray(set);\n        }\n        isCommon = false;\n        includes = cacheHas;\n        seen = new SetCache;\n      }\n      else {\n        seen = iteratee ? [] : result;\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var seenIndex = seen.length;\n          while (seenIndex--) {\n            if (seen[seenIndex] === computed) {\n              continue outer;\n            }\n          }\n          if (iteratee) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n        else if (!includes(seen, computed, comparator)) {\n          if (seen !== result) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.unset`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The property path to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     */\n    function baseUnset(object, path) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      return object == null || delete object[toKey(last(path))];\n    }\n\n    /**\n     * The base implementation of `_.update`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to update.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseUpdate(object, path, updater, customizer) {\n      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n    }\n\n    /**\n     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n     * without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {Function} predicate The function invoked per iteration.\n     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseWhile(array, predicate, isDrop, fromRight) {\n      var length = array.length,\n          index = fromRight ? length : -1;\n\n      while ((fromRight ? index-- : ++index < length) &&\n        predicate(array[index], index, array)) {}\n\n      return isDrop\n        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n    }\n\n    /**\n     * The base implementation of `wrapperValue` which returns the result of\n     * performing a sequence of actions on the unwrapped `value`, where each\n     * successive action is supplied the return value of the previous.\n     *\n     * @private\n     * @param {*} value The unwrapped value.\n     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseWrapperValue(value, actions) {\n      var result = value;\n      if (result instanceof LazyWrapper) {\n        result = result.value();\n      }\n      return arrayReduce(actions, function(result, action) {\n        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n      }, result);\n    }\n\n    /**\n     * The base implementation of methods like `_.xor`, without support for\n     * iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of values.\n     */\n    function baseXor(arrays, iteratee, comparator) {\n      var length = arrays.length;\n      if (length < 2) {\n        return length ? baseUniq(arrays[0]) : [];\n      }\n      var index = -1,\n          result = Array(length);\n\n      while (++index < length) {\n        var array = arrays[index],\n            othIndex = -1;\n\n        while (++othIndex < length) {\n          if (othIndex != index) {\n            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n          }\n        }\n      }\n      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n    }\n\n    /**\n     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n     *\n     * @private\n     * @param {Array} props The property identifiers.\n     * @param {Array} values The property values.\n     * @param {Function} assignFunc The function to assign values.\n     * @returns {Object} Returns the new object.\n     */\n    function baseZipObject(props, values, assignFunc) {\n      var index = -1,\n          length = props.length,\n          valsLength = values.length,\n          result = {};\n\n      while (++index < length) {\n        var value = index < valsLength ? values[index] : undefined;\n        assignFunc(result, props[index], value);\n      }\n      return result;\n    }\n\n    /**\n     * Casts `value` to an empty array if it's not an array like object.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Array|Object} Returns the cast array-like object.\n     */\n    function castArrayLikeObject(value) {\n      return isArrayLikeObject(value) ? value : [];\n    }\n\n    /**\n     * Casts `value` to `identity` if it's not a function.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Function} Returns cast function.\n     */\n    function castFunction(value) {\n      return typeof value == 'function' ? value : identity;\n    }\n\n    /**\n     * Casts `value` to a path array if it's not one.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {Array} Returns the cast property path array.\n     */\n    function castPath(value, object) {\n      if (isArray(value)) {\n        return value;\n      }\n      return isKey(value, object) ? [value] : stringToPath(toString(value));\n    }\n\n    /**\n     * A `baseRest` alias which can be replaced with `identity` by module\n     * replacement plugins.\n     *\n     * @private\n     * @type {Function}\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    var castRest = baseRest;\n\n    /**\n     * Casts `array` to a slice if it's needed.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {number} start The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the cast slice.\n     */\n    function castSlice(array, start, end) {\n      var length = array.length;\n      end = end === undefined ? length : end;\n      return (!start && end >= length) ? array : baseSlice(array, start, end);\n    }\n\n    /**\n     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n     *\n     * @private\n     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n     */\n    var clearTimeout = ctxClearTimeout || function(id) {\n      return root.clearTimeout(id);\n    };\n\n    /**\n     * Creates a clone of  `buffer`.\n     *\n     * @private\n     * @param {Buffer} buffer The buffer to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Buffer} Returns the cloned buffer.\n     */\n    function cloneBuffer(buffer, isDeep) {\n      if (isDeep) {\n        return buffer.slice();\n      }\n      var length = buffer.length,\n          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n      buffer.copy(result);\n      return result;\n    }\n\n    /**\n     * Creates a clone of `arrayBuffer`.\n     *\n     * @private\n     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n     * @returns {ArrayBuffer} Returns the cloned array buffer.\n     */\n    function cloneArrayBuffer(arrayBuffer) {\n      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n      return result;\n    }\n\n    /**\n     * Creates a clone of `dataView`.\n     *\n     * @private\n     * @param {Object} dataView The data view to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned data view.\n     */\n    function cloneDataView(dataView, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n    }\n\n    /**\n     * Creates a clone of `map`.\n     *\n     * @private\n     * @param {Object} map The map to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned map.\n     */\n    function cloneMap(map, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n      return arrayReduce(array, addMapEntry, new map.constructor);\n    }\n\n    /**\n     * Creates a clone of `regexp`.\n     *\n     * @private\n     * @param {Object} regexp The regexp to clone.\n     * @returns {Object} Returns the cloned regexp.\n     */\n    function cloneRegExp(regexp) {\n      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n      result.lastIndex = regexp.lastIndex;\n      return result;\n    }\n\n    /**\n     * Creates a clone of `set`.\n     *\n     * @private\n     * @param {Object} set The set to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned set.\n     */\n    function cloneSet(set, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n      return arrayReduce(array, addSetEntry, new set.constructor);\n    }\n\n    /**\n     * Creates a clone of the `symbol` object.\n     *\n     * @private\n     * @param {Object} symbol The symbol object to clone.\n     * @returns {Object} Returns the cloned symbol object.\n     */\n    function cloneSymbol(symbol) {\n      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n    }\n\n    /**\n     * Creates a clone of `typedArray`.\n     *\n     * @private\n     * @param {Object} typedArray The typed array to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned typed array.\n     */\n    function cloneTypedArray(typedArray, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n    }\n\n    /**\n     * Compares values to sort them in ascending order.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {number} Returns the sort order indicator for `value`.\n     */\n    function compareAscending(value, other) {\n      if (value !== other) {\n        var valIsDefined = value !== undefined,\n            valIsNull = value === null,\n            valIsReflexive = value === value,\n            valIsSymbol = isSymbol(value);\n\n        var othIsDefined = other !== undefined,\n            othIsNull = other === null,\n            othIsReflexive = other === other,\n            othIsSymbol = isSymbol(other);\n\n        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n            (valIsNull && othIsDefined && othIsReflexive) ||\n            (!valIsDefined && othIsReflexive) ||\n            !valIsReflexive) {\n          return 1;\n        }\n        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n            (othIsNull && valIsDefined && valIsReflexive) ||\n            (!othIsDefined && valIsReflexive) ||\n            !othIsReflexive) {\n          return -1;\n        }\n      }\n      return 0;\n    }\n\n    /**\n     * Used by `_.orderBy` to compare multiple properties of a value to another\n     * and stable sort them.\n     *\n     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n     * of corresponding values.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {boolean[]|string[]} orders The order to sort by for each property.\n     * @returns {number} Returns the sort order indicator for `object`.\n     */\n    function compareMultiple(object, other, orders) {\n      var index = -1,\n          objCriteria = object.criteria,\n          othCriteria = other.criteria,\n          length = objCriteria.length,\n          ordersLength = orders.length;\n\n      while (++index < length) {\n        var result = compareAscending(objCriteria[index], othCriteria[index]);\n        if (result) {\n          if (index >= ordersLength) {\n            return result;\n          }\n          var order = orders[index];\n          return result * (order == 'desc' ? -1 : 1);\n        }\n      }\n      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n      // that causes it, under certain circumstances, to provide the same value for\n      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n      // for more details.\n      //\n      // This also ensures a stable sort in V8 and other engines.\n      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n      return object.index - other.index;\n    }\n\n    /**\n     * Creates an array that is the composition of partially applied arguments,\n     * placeholders, and provided arguments into a single array of arguments.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to prepend to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgs(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersLength = holders.length,\n          leftIndex = -1,\n          leftLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(leftLength + rangeLength),\n          isUncurried = !isCurried;\n\n      while (++leftIndex < leftLength) {\n        result[leftIndex] = partials[leftIndex];\n      }\n      while (++argsIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[holders[argsIndex]] = args[argsIndex];\n        }\n      }\n      while (rangeLength--) {\n        result[leftIndex++] = args[argsIndex++];\n      }\n      return result;\n    }\n\n    /**\n     * This function is like `composeArgs` except that the arguments composition\n     * is tailored for `_.partialRight`.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to append to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgsRight(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersIndex = -1,\n          holdersLength = holders.length,\n          rightIndex = -1,\n          rightLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(rangeLength + rightLength),\n          isUncurried = !isCurried;\n\n      while (++argsIndex < rangeLength) {\n        result[argsIndex] = args[argsIndex];\n      }\n      var offset = argsIndex;\n      while (++rightIndex < rightLength) {\n        result[offset + rightIndex] = partials[rightIndex];\n      }\n      while (++holdersIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[offset + holders[holdersIndex]] = args[argsIndex++];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Copies the values of `source` to `array`.\n     *\n     * @private\n     * @param {Array} source The array to copy values from.\n     * @param {Array} [array=[]] The array to copy values to.\n     * @returns {Array} Returns `array`.\n     */\n    function copyArray(source, array) {\n      var index = -1,\n          length = source.length;\n\n      array || (array = Array(length));\n      while (++index < length) {\n        array[index] = source[index];\n      }\n      return array;\n    }\n\n    /**\n     * Copies properties of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy properties from.\n     * @param {Array} props The property identifiers to copy.\n     * @param {Object} [object={}] The object to copy properties to.\n     * @param {Function} [customizer] The function to customize copied values.\n     * @returns {Object} Returns `object`.\n     */\n    function copyObject(source, props, object, customizer) {\n      var isNew = !object;\n      object || (object = {});\n\n      var index = -1,\n          length = props.length;\n\n      while (++index < length) {\n        var key = props[index];\n\n        var newValue = customizer\n          ? customizer(object[key], source[key], key, object, source)\n          : undefined;\n\n        if (newValue === undefined) {\n          newValue = source[key];\n        }\n        if (isNew) {\n          baseAssignValue(object, key, newValue);\n        } else {\n          assignValue(object, key, newValue);\n        }\n      }\n      return object;\n    }\n\n    /**\n     * Copies own symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbols(source, object) {\n      return copyObject(source, getSymbols(source), object);\n    }\n\n    /**\n     * Copies own and inherited symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbolsIn(source, object) {\n      return copyObject(source, getSymbolsIn(source), object);\n    }\n\n    /**\n     * Creates a function like `_.groupBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} [initializer] The accumulator object initializer.\n     * @returns {Function} Returns the new aggregator function.\n     */\n    function createAggregator(setter, initializer) {\n      return function(collection, iteratee) {\n        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n            accumulator = initializer ? initializer() : {};\n\n        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n      };\n    }\n\n    /**\n     * Creates a function like `_.assign`.\n     *\n     * @private\n     * @param {Function} assigner The function to assign values.\n     * @returns {Function} Returns the new assigner function.\n     */\n    function createAssigner(assigner) {\n      return baseRest(function(object, sources) {\n        var index = -1,\n            length = sources.length,\n            customizer = length > 1 ? sources[length - 1] : undefined,\n            guard = length > 2 ? sources[2] : undefined;\n\n        customizer = (assigner.length > 3 && typeof customizer == 'function')\n          ? (length--, customizer)\n          : undefined;\n\n        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n          customizer = length < 3 ? undefined : customizer;\n          length = 1;\n        }\n        object = Object(object);\n        while (++index < length) {\n          var source = sources[index];\n          if (source) {\n            assigner(object, source, index, customizer);\n          }\n        }\n        return object;\n      });\n    }\n\n    /**\n     * Creates a `baseEach` or `baseEachRight` function.\n     *\n     * @private\n     * @param {Function} eachFunc The function to iterate over a collection.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseEach(eachFunc, fromRight) {\n      return function(collection, iteratee) {\n        if (collection == null) {\n          return collection;\n        }\n        if (!isArrayLike(collection)) {\n          return eachFunc(collection, iteratee);\n        }\n        var length = collection.length,\n            index = fromRight ? length : -1,\n            iterable = Object(collection);\n\n        while ((fromRight ? index-- : ++index < length)) {\n          if (iteratee(iterable[index], index, iterable) === false) {\n            break;\n          }\n        }\n        return collection;\n      };\n    }\n\n    /**\n     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseFor(fromRight) {\n      return function(object, iteratee, keysFunc) {\n        var index = -1,\n            iterable = Object(object),\n            props = keysFunc(object),\n            length = props.length;\n\n        while (length--) {\n          var key = props[fromRight ? length : ++index];\n          if (iteratee(iterable[key], key, iterable) === false) {\n            break;\n          }\n        }\n        return object;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the optional `this`\n     * binding of `thisArg`.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createBind(func, bitmask, thisArg) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return fn.apply(isBind ? thisArg : this, arguments);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.lowerFirst`.\n     *\n     * @private\n     * @param {string} methodName The name of the `String` case method to use.\n     * @returns {Function} Returns the new case function.\n     */\n    function createCaseFirst(methodName) {\n      return function(string) {\n        string = toString(string);\n\n        var strSymbols = hasUnicode(string)\n          ? stringToArray(string)\n          : undefined;\n\n        var chr = strSymbols\n          ? strSymbols[0]\n          : string.charAt(0);\n\n        var trailing = strSymbols\n          ? castSlice(strSymbols, 1).join('')\n          : string.slice(1);\n\n        return chr[methodName]() + trailing;\n      };\n    }\n\n    /**\n     * Creates a function like `_.camelCase`.\n     *\n     * @private\n     * @param {Function} callback The function to combine each word.\n     * @returns {Function} Returns the new compounder function.\n     */\n    function createCompounder(callback) {\n      return function(string) {\n        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n      };\n    }\n\n    /**\n     * Creates a function that produces an instance of `Ctor` regardless of\n     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n     *\n     * @private\n     * @param {Function} Ctor The constructor to wrap.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCtor(Ctor) {\n      return function() {\n        // Use a `switch` statement to work with class constructors. See\n        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n        // for more details.\n        var args = arguments;\n        switch (args.length) {\n          case 0: return new Ctor;\n          case 1: return new Ctor(args[0]);\n          case 2: return new Ctor(args[0], args[1]);\n          case 3: return new Ctor(args[0], args[1], args[2]);\n          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n        }\n        var thisBinding = baseCreate(Ctor.prototype),\n            result = Ctor.apply(thisBinding, args);\n\n        // Mimic the constructor's `return` behavior.\n        // See https://es5.github.io/#x13.2.2 for more details.\n        return isObject(result) ? result : thisBinding;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to enable currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {number} arity The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCurry(func, bitmask, arity) {\n      var Ctor = createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length,\n            placeholder = getHolder(wrapper);\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n          ? []\n          : replaceHolders(args, placeholder);\n\n        length -= holders.length;\n        if (length < arity) {\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n            args, holders, undefined, undefined, arity - length);\n        }\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return apply(fn, this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.find` or `_.findLast` function.\n     *\n     * @private\n     * @param {Function} findIndexFunc The function to find the collection index.\n     * @returns {Function} Returns the new find function.\n     */\n    function createFind(findIndexFunc) {\n      return function(collection, predicate, fromIndex) {\n        var iterable = Object(collection);\n        if (!isArrayLike(collection)) {\n          var iteratee = getIteratee(predicate, 3);\n          collection = keys(collection);\n          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n        }\n        var index = findIndexFunc(collection, predicate, fromIndex);\n        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n      };\n    }\n\n    /**\n     * Creates a `_.flow` or `_.flowRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new flow function.\n     */\n    function createFlow(fromRight) {\n      return flatRest(function(funcs) {\n        var length = funcs.length,\n            index = length,\n            prereq = LodashWrapper.prototype.thru;\n\n        if (fromRight) {\n          funcs.reverse();\n        }\n        while (index--) {\n          var func = funcs[index];\n          if (typeof func != 'function') {\n            throw new TypeError(FUNC_ERROR_TEXT);\n          }\n          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n            var wrapper = new LodashWrapper([], true);\n          }\n        }\n        index = wrapper ? index : length;\n        while (++index < length) {\n          func = funcs[index];\n\n          var funcName = getFuncName(func),\n              data = funcName == 'wrapper' ? getData(func) : undefined;\n\n          if (data && isLaziable(data[0]) &&\n                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n                !data[4].length && data[9] == 1\n              ) {\n            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n          } else {\n            wrapper = (func.length == 1 && isLaziable(func))\n              ? wrapper[funcName]()\n              : wrapper.thru(func);\n          }\n        }\n        return function() {\n          var args = arguments,\n              value = args[0];\n\n          if (wrapper && args.length == 1 && isArray(value)) {\n            return wrapper.plant(value).value();\n          }\n          var index = 0,\n              result = length ? funcs[index].apply(this, args) : value;\n\n          while (++index < length) {\n            result = funcs[index].call(this, result);\n          }\n          return result;\n        };\n      });\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with optional `this`\n     * binding of `thisArg`, partial application, and currying.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [partialsRight] The arguments to append to those provided\n     *  to the new function.\n     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n      var isAry = bitmask & WRAP_ARY_FLAG,\n          isBind = bitmask & WRAP_BIND_FLAG,\n          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n          isFlip = bitmask & WRAP_FLIP_FLAG,\n          Ctor = isBindKey ? undefined : createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length;\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        if (isCurried) {\n          var placeholder = getHolder(wrapper),\n              holdersCount = countHolders(args, placeholder);\n        }\n        if (partials) {\n          args = composeArgs(args, partials, holders, isCurried);\n        }\n        if (partialsRight) {\n          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n        }\n        length -= holdersCount;\n        if (isCurried && length < arity) {\n          var newHolders = replaceHolders(args, placeholder);\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n            args, newHolders, argPos, ary, arity - length\n          );\n        }\n        var thisBinding = isBind ? thisArg : this,\n            fn = isBindKey ? thisBinding[func] : func;\n\n        length = args.length;\n        if (argPos) {\n          args = reorder(args, argPos);\n        } else if (isFlip && length > 1) {\n          args.reverse();\n        }\n        if (isAry && ary < length) {\n          args.length = ary;\n        }\n        if (this && this !== root && this instanceof wrapper) {\n          fn = Ctor || createCtor(fn);\n        }\n        return fn.apply(thisBinding, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.invertBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} toIteratee The function to resolve iteratees.\n     * @returns {Function} Returns the new inverter function.\n     */\n    function createInverter(setter, toIteratee) {\n      return function(object, iteratee) {\n        return baseInverter(object, setter, toIteratee(iteratee), {});\n      };\n    }\n\n    /**\n     * Creates a function that performs a mathematical operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @param {number} [defaultValue] The value used for `undefined` arguments.\n     * @returns {Function} Returns the new mathematical operation function.\n     */\n    function createMathOperation(operator, defaultValue) {\n      return function(value, other) {\n        var result;\n        if (value === undefined && other === undefined) {\n          return defaultValue;\n        }\n        if (value !== undefined) {\n          result = value;\n        }\n        if (other !== undefined) {\n          if (result === undefined) {\n            return other;\n          }\n          if (typeof value == 'string' || typeof other == 'string') {\n            value = baseToString(value);\n            other = baseToString(other);\n          } else {\n            value = baseToNumber(value);\n            other = baseToNumber(other);\n          }\n          result = operator(value, other);\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function like `_.over`.\n     *\n     * @private\n     * @param {Function} arrayFunc The function to iterate over iteratees.\n     * @returns {Function} Returns the new over function.\n     */\n    function createOver(arrayFunc) {\n      return flatRest(function(iteratees) {\n        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n        return baseRest(function(args) {\n          var thisArg = this;\n          return arrayFunc(iteratees, function(iteratee) {\n            return apply(iteratee, thisArg, args);\n          });\n        });\n      });\n    }\n\n    /**\n     * Creates the padding for `string` based on `length`. The `chars` string\n     * is truncated if the number of characters exceeds `length`.\n     *\n     * @private\n     * @param {number} length The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padding for `string`.\n     */\n    function createPadding(length, chars) {\n      chars = chars === undefined ? ' ' : baseToString(chars);\n\n      var charsLength = chars.length;\n      if (charsLength < 2) {\n        return charsLength ? baseRepeat(chars, length) : chars;\n      }\n      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n      return hasUnicode(chars)\n        ? castSlice(stringToArray(result), 0, length).join('')\n        : result.slice(0, length);\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the `this` binding\n     * of `thisArg` and `partials` prepended to the arguments it receives.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {Array} partials The arguments to prepend to those provided to\n     *  the new function.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createPartial(func, bitmask, thisArg, partials) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var argsIndex = -1,\n            argsLength = arguments.length,\n            leftIndex = -1,\n            leftLength = partials.length,\n            args = Array(leftLength + argsLength),\n            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n        while (++leftIndex < leftLength) {\n          args[leftIndex] = partials[leftIndex];\n        }\n        while (argsLength--) {\n          args[leftIndex++] = arguments[++argsIndex];\n        }\n        return apply(fn, isBind ? thisArg : this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.range` or `_.rangeRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new range function.\n     */\n    function createRange(fromRight) {\n      return function(start, end, step) {\n        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n          end = step = undefined;\n        }\n        // Ensure the sign of `-0` is preserved.\n        start = toFinite(start);\n        if (end === undefined) {\n          end = start;\n          start = 0;\n        } else {\n          end = toFinite(end);\n        }\n        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n        return baseRange(start, end, step, fromRight);\n      };\n    }\n\n    /**\n     * Creates a function that performs a relational operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @returns {Function} Returns the new relational operation function.\n     */\n    function createRelationalOperation(operator) {\n      return function(value, other) {\n        if (!(typeof value == 'string' && typeof other == 'string')) {\n          value = toNumber(value);\n          other = toNumber(other);\n        }\n        return operator(value, other);\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to continue currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {Function} wrapFunc The function to create the `func` wrapper.\n     * @param {*} placeholder The placeholder value.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n      var isCurry = bitmask & WRAP_CURRY_FLAG,\n          newHolders = isCurry ? holders : undefined,\n          newHoldersRight = isCurry ? undefined : holders,\n          newPartials = isCurry ? partials : undefined,\n          newPartialsRight = isCurry ? undefined : partials;\n\n      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n      }\n      var newData = [\n        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n        newHoldersRight, argPos, ary, arity\n      ];\n\n      var result = wrapFunc.apply(undefined, newData);\n      if (isLaziable(func)) {\n        setData(result, newData);\n      }\n      result.placeholder = placeholder;\n      return setWrapToString(result, func, bitmask);\n    }\n\n    /**\n     * Creates a function like `_.round`.\n     *\n     * @private\n     * @param {string} methodName The name of the `Math` method to use when rounding.\n     * @returns {Function} Returns the new round function.\n     */\n    function createRound(methodName) {\n      var func = Math[methodName];\n      return function(number, precision) {\n        number = toNumber(number);\n        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n        if (precision) {\n          // Shift with exponential notation to avoid floating-point issues.\n          // See [MDN](https://mdn.io/round#Examples) for more details.\n          var pair = (toString(number) + 'e').split('e'),\n              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n          pair = (toString(value) + 'e').split('e');\n          return +(pair[0] + 'e' + (+pair[1] - precision));\n        }\n        return func(number);\n      };\n    }\n\n    /**\n     * Creates a set object of `values`.\n     *\n     * @private\n     * @param {Array} values The values to add to the set.\n     * @returns {Object} Returns the new set.\n     */\n    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n      return new Set(values);\n    };\n\n    /**\n     * Creates a `_.toPairs` or `_.toPairsIn` function.\n     *\n     * @private\n     * @param {Function} keysFunc The function to get the keys of a given object.\n     * @returns {Function} Returns the new pairs function.\n     */\n    function createToPairs(keysFunc) {\n      return function(object) {\n        var tag = getTag(object);\n        if (tag == mapTag) {\n          return mapToArray(object);\n        }\n        if (tag == setTag) {\n          return setToPairs(object);\n        }\n        return baseToPairs(object, keysFunc(object));\n      };\n    }\n\n    /**\n     * Creates a function that either curries or invokes `func` with optional\n     * `this` binding and partially applied arguments.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags.\n     *    1 - `_.bind`\n     *    2 - `_.bindKey`\n     *    4 - `_.curry` or `_.curryRight` of a bound function\n     *    8 - `_.curry`\n     *   16 - `_.curryRight`\n     *   32 - `_.partial`\n     *   64 - `_.partialRight`\n     *  128 - `_.rearg`\n     *  256 - `_.ary`\n     *  512 - `_.flip`\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to be partially applied.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n      if (!isBindKey && typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var length = partials ? partials.length : 0;\n      if (!length) {\n        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n        partials = holders = undefined;\n      }\n      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n      arity = arity === undefined ? arity : toInteger(arity);\n      length -= holders ? holders.length : 0;\n\n      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n        var partialsRight = partials,\n            holdersRight = holders;\n\n        partials = holders = undefined;\n      }\n      var data = isBindKey ? undefined : getData(func);\n\n      var newData = [\n        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n        argPos, ary, arity\n      ];\n\n      if (data) {\n        mergeData(newData, data);\n      }\n      func = newData[0];\n      bitmask = newData[1];\n      thisArg = newData[2];\n      partials = newData[3];\n      holders = newData[4];\n      arity = newData[9] = newData[9] === undefined\n        ? (isBindKey ? 0 : func.length)\n        : nativeMax(newData[9] - length, 0);\n\n      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n      }\n      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n        var result = createBind(func, bitmask, thisArg);\n      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n        result = createCurry(func, bitmask, arity);\n      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n        result = createPartial(func, bitmask, thisArg, partials);\n      } else {\n        result = createHybrid.apply(undefined, newData);\n      }\n      var setter = data ? baseSetData : setData;\n      return setWrapToString(setter(result, newData), func, bitmask);\n    }\n\n    /**\n     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n     * of source objects to the destination object for all destination properties\n     * that resolve to `undefined`.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to assign.\n     * @param {Object} object The parent object of `objValue`.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n      if (objValue === undefined ||\n          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n        return srcValue;\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n     * objects into destination objects that are passed thru.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to merge.\n     * @param {Object} object The parent object of `objValue`.\n     * @param {Object} source The parent object of `srcValue`.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n      if (isObject(objValue) && isObject(srcValue)) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, objValue);\n        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n        stack['delete'](srcValue);\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n     * objects.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {string} key The key of the property to inspect.\n     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n     */\n    function customOmitClone(value) {\n      return isPlainObject(value) ? undefined : value;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for arrays with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Array} array The array to compare.\n     * @param {Array} other The other array to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `array` and `other` objects.\n     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n     */\n    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          arrLength = array.length,\n          othLength = other.length;\n\n      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n        return false;\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(array);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var index = -1,\n          result = true,\n          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n      stack.set(array, other);\n      stack.set(other, array);\n\n      // Ignore non-index properties.\n      while (++index < arrLength) {\n        var arrValue = array[index],\n            othValue = other[index];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, arrValue, index, other, array, stack)\n            : customizer(arrValue, othValue, index, array, other, stack);\n        }\n        if (compared !== undefined) {\n          if (compared) {\n            continue;\n          }\n          result = false;\n          break;\n        }\n        // Recursively compare arrays (susceptible to call stack limits).\n        if (seen) {\n          if (!arraySome(other, function(othValue, othIndex) {\n                if (!cacheHas(seen, othIndex) &&\n                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n                  return seen.push(othIndex);\n                }\n              })) {\n            result = false;\n            break;\n          }\n        } else if (!(\n              arrValue === othValue ||\n                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n            )) {\n          result = false;\n          break;\n        }\n      }\n      stack['delete'](array);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for comparing objects of\n     * the same `toStringTag`.\n     *\n     * **Note:** This function only supports comparing values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {string} tag The `toStringTag` of the objects to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n      switch (tag) {\n        case dataViewTag:\n          if ((object.byteLength != other.byteLength) ||\n              (object.byteOffset != other.byteOffset)) {\n            return false;\n          }\n          object = object.buffer;\n          other = other.buffer;\n\n        case arrayBufferTag:\n          if ((object.byteLength != other.byteLength) ||\n              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n            return false;\n          }\n          return true;\n\n        case boolTag:\n        case dateTag:\n        case numberTag:\n          // Coerce booleans to `1` or `0` and dates to milliseconds.\n          // Invalid dates are coerced to `NaN`.\n          return eq(+object, +other);\n\n        case errorTag:\n          return object.name == other.name && object.message == other.message;\n\n        case regexpTag:\n        case stringTag:\n          // Coerce regexes to strings and treat strings, primitives and objects,\n          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n          // for more details.\n          return object == (other + '');\n\n        case mapTag:\n          var convert = mapToArray;\n\n        case setTag:\n          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n          convert || (convert = setToArray);\n\n          if (object.size != other.size && !isPartial) {\n            return false;\n          }\n          // Assume cyclic values are equal.\n          var stacked = stack.get(object);\n          if (stacked) {\n            return stacked == other;\n          }\n          bitmask |= COMPARE_UNORDERED_FLAG;\n\n          // Recursively compare objects (susceptible to call stack limits).\n          stack.set(object, other);\n          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n          stack['delete'](object);\n          return result;\n\n        case symbolTag:\n          if (symbolValueOf) {\n            return symbolValueOf.call(object) == symbolValueOf.call(other);\n          }\n      }\n      return false;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for objects with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          objProps = getAllKeys(object),\n          objLength = objProps.length,\n          othProps = getAllKeys(other),\n          othLength = othProps.length;\n\n      if (objLength != othLength && !isPartial) {\n        return false;\n      }\n      var index = objLength;\n      while (index--) {\n        var key = objProps[index];\n        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n          return false;\n        }\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(object);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var result = true;\n      stack.set(object, other);\n      stack.set(other, object);\n\n      var skipCtor = isPartial;\n      while (++index < objLength) {\n        key = objProps[index];\n        var objValue = object[key],\n            othValue = other[key];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, objValue, key, other, object, stack)\n            : customizer(objValue, othValue, key, object, other, stack);\n        }\n        // Recursively compare objects (susceptible to call stack limits).\n        if (!(compared === undefined\n              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n              : compared\n            )) {\n          result = false;\n          break;\n        }\n        skipCtor || (skipCtor = key == 'constructor');\n      }\n      if (result && !skipCtor) {\n        var objCtor = object.constructor,\n            othCtor = other.constructor;\n\n        // Non `Object` object instances with different constructors are not equal.\n        if (objCtor != othCtor &&\n            ('constructor' in object && 'constructor' in other) &&\n            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n          result = false;\n        }\n      }\n      stack['delete'](object);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseRest` which flattens the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    function flatRest(func) {\n      return setToString(overRest(func, undefined, flatten), func + '');\n    }\n\n    /**\n     * Creates an array of own enumerable property names and symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeys(object) {\n      return baseGetAllKeys(object, keys, getSymbols);\n    }\n\n    /**\n     * Creates an array of own and inherited enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeysIn(object) {\n      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n    }\n\n    /**\n     * Gets metadata for `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {*} Returns the metadata for `func`.\n     */\n    var getData = !metaMap ? noop : function(func) {\n      return metaMap.get(func);\n    };\n\n    /**\n     * Gets the name of `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {string} Returns the function name.\n     */\n    function getFuncName(func) {\n      var result = (func.name + ''),\n          array = realNames[result],\n          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n      while (length--) {\n        var data = array[length],\n            otherFunc = data.func;\n        if (otherFunc == null || otherFunc == func) {\n          return data.name;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Gets the argument placeholder value for `func`.\n     *\n     * @private\n     * @param {Function} func The function to inspect.\n     * @returns {*} Returns the placeholder value.\n     */\n    function getHolder(func) {\n      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n      return object.placeholder;\n    }\n\n    /**\n     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n     * this function returns the custom method, otherwise it returns `baseIteratee`.\n     * If arguments are provided, the chosen function is invoked with them and\n     * its result is returned.\n     *\n     * @private\n     * @param {*} [value] The value to convert to an iteratee.\n     * @param {number} [arity] The arity of the created iteratee.\n     * @returns {Function} Returns the chosen function or its result.\n     */\n    function getIteratee() {\n      var result = lodash.iteratee || iteratee;\n      result = result === iteratee ? baseIteratee : result;\n      return arguments.length ? result(arguments[0], arguments[1]) : result;\n    }\n\n    /**\n     * Gets the data for `map`.\n     *\n     * @private\n     * @param {Object} map The map to query.\n     * @param {string} key The reference key.\n     * @returns {*} Returns the map data.\n     */\n    function getMapData(map, key) {\n      var data = map.__data__;\n      return isKeyable(key)\n        ? data[typeof key == 'string' ? 'string' : 'hash']\n        : data.map;\n    }\n\n    /**\n     * Gets the property names, values, and compare flags of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the match data of `object`.\n     */\n    function getMatchData(object) {\n      var result = keys(object),\n          length = result.length;\n\n      while (length--) {\n        var key = result[length],\n            value = object[key];\n\n        result[length] = [key, value, isStrictComparable(value)];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the native function at `key` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {string} key The key of the method to get.\n     * @returns {*} Returns the function if it's native, else `undefined`.\n     */\n    function getNative(object, key) {\n      var value = getValue(object, key);\n      return baseIsNative(value) ? value : undefined;\n    }\n\n    /**\n     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the raw `toStringTag`.\n     */\n    function getRawTag(value) {\n      var isOwn = hasOwnProperty.call(value, symToStringTag),\n          tag = value[symToStringTag];\n\n      try {\n        value[symToStringTag] = undefined;\n        var unmasked = true;\n      } catch (e) {}\n\n      var result = nativeObjectToString.call(value);\n      if (unmasked) {\n        if (isOwn) {\n          value[symToStringTag] = tag;\n        } else {\n          delete value[symToStringTag];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array of the own enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n      if (object == null) {\n        return [];\n      }\n      object = Object(object);\n      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n        return propertyIsEnumerable.call(object, symbol);\n      });\n    };\n\n    /**\n     * Creates an array of the own and inherited enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n      var result = [];\n      while (object) {\n        arrayPush(result, getSymbols(object));\n        object = getPrototype(object);\n      }\n      return result;\n    };\n\n    /**\n     * Gets the `toStringTag` of `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    var getTag = baseGetTag;\n\n    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n        (Map && getTag(new Map) != mapTag) ||\n        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n        (Set && getTag(new Set) != setTag) ||\n        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n      getTag = function(value) {\n        var result = baseGetTag(value),\n            Ctor = result == objectTag ? value.constructor : undefined,\n            ctorString = Ctor ? toSource(Ctor) : '';\n\n        if (ctorString) {\n          switch (ctorString) {\n            case dataViewCtorString: return dataViewTag;\n            case mapCtorString: return mapTag;\n            case promiseCtorString: return promiseTag;\n            case setCtorString: return setTag;\n            case weakMapCtorString: return weakMapTag;\n          }\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n     *\n     * @private\n     * @param {number} start The start of the view.\n     * @param {number} end The end of the view.\n     * @param {Array} transforms The transformations to apply to the view.\n     * @returns {Object} Returns an object containing the `start` and `end`\n     *  positions of the view.\n     */\n    function getView(start, end, transforms) {\n      var index = -1,\n          length = transforms.length;\n\n      while (++index < length) {\n        var data = transforms[index],\n            size = data.size;\n\n        switch (data.type) {\n          case 'drop':      start += size; break;\n          case 'dropRight': end -= size; break;\n          case 'take':      end = nativeMin(end, start + size); break;\n          case 'takeRight': start = nativeMax(start, end - size); break;\n        }\n      }\n      return { 'start': start, 'end': end };\n    }\n\n    /**\n     * Extracts wrapper details from the `source` body comment.\n     *\n     * @private\n     * @param {string} source The source to inspect.\n     * @returns {Array} Returns the wrapper details.\n     */\n    function getWrapDetails(source) {\n      var match = source.match(reWrapDetails);\n      return match ? match[1].split(reSplitDetails) : [];\n    }\n\n    /**\n     * Checks if `path` exists on `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @param {Function} hasFunc The function to check properties.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     */\n    function hasPath(object, path, hasFunc) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          result = false;\n\n      while (++index < length) {\n        var key = toKey(path[index]);\n        if (!(result = object != null && hasFunc(object, key))) {\n          break;\n        }\n        object = object[key];\n      }\n      if (result || ++index != length) {\n        return result;\n      }\n      length = object == null ? 0 : object.length;\n      return !!length && isLength(length) && isIndex(key, length) &&\n        (isArray(object) || isArguments(object));\n    }\n\n    /**\n     * Initializes an array clone.\n     *\n     * @private\n     * @param {Array} array The array to clone.\n     * @returns {Array} Returns the initialized clone.\n     */\n    function initCloneArray(array) {\n      var length = array.length,\n          result = array.constructor(length);\n\n      // Add properties assigned by `RegExp#exec`.\n      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n        result.index = array.index;\n        result.input = array.input;\n      }\n      return result;\n    }\n\n    /**\n     * Initializes an object clone.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneObject(object) {\n      return (typeof object.constructor == 'function' && !isPrototype(object))\n        ? baseCreate(getPrototype(object))\n        : {};\n    }\n\n    /**\n     * Initializes an object clone based on its `toStringTag`.\n     *\n     * **Note:** This function only supports cloning values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @param {string} tag The `toStringTag` of the object to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n      var Ctor = object.constructor;\n      switch (tag) {\n        case arrayBufferTag:\n          return cloneArrayBuffer(object);\n\n        case boolTag:\n        case dateTag:\n          return new Ctor(+object);\n\n        case dataViewTag:\n          return cloneDataView(object, isDeep);\n\n        case float32Tag: case float64Tag:\n        case int8Tag: case int16Tag: case int32Tag:\n        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n          return cloneTypedArray(object, isDeep);\n\n        case mapTag:\n          return cloneMap(object, isDeep, cloneFunc);\n\n        case numberTag:\n        case stringTag:\n          return new Ctor(object);\n\n        case regexpTag:\n          return cloneRegExp(object);\n\n        case setTag:\n          return cloneSet(object, isDeep, cloneFunc);\n\n        case symbolTag:\n          return cloneSymbol(object);\n      }\n    }\n\n    /**\n     * Inserts wrapper `details` in a comment at the top of the `source` body.\n     *\n     * @private\n     * @param {string} source The source to modify.\n     * @returns {Array} details The details to insert.\n     * @returns {string} Returns the modified source.\n     */\n    function insertWrapDetails(source, details) {\n      var length = details.length;\n      if (!length) {\n        return source;\n      }\n      var lastIndex = length - 1;\n      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n      details = details.join(length > 2 ? ', ' : ' ');\n      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n    }\n\n    /**\n     * Checks if `value` is a flattenable `arguments` object or array.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n     */\n    function isFlattenable(value) {\n      return isArray(value) || isArguments(value) ||\n        !!(spreadableSymbol && value && value[spreadableSymbol]);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like index.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n     */\n    function isIndex(value, length) {\n      length = length == null ? MAX_SAFE_INTEGER : length;\n      return !!length &&\n        (typeof value == 'number' || reIsUint.test(value)) &&\n        (value > -1 && value % 1 == 0 && value < length);\n    }\n\n    /**\n     * Checks if the given arguments are from an iteratee call.\n     *\n     * @private\n     * @param {*} value The potential iteratee value argument.\n     * @param {*} index The potential iteratee index or key argument.\n     * @param {*} object The potential iteratee object argument.\n     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n     *  else `false`.\n     */\n    function isIterateeCall(value, index, object) {\n      if (!isObject(object)) {\n        return false;\n      }\n      var type = typeof index;\n      if (type == 'number'\n            ? (isArrayLike(object) && isIndex(index, object.length))\n            : (type == 'string' && index in object)\n          ) {\n        return eq(object[index], value);\n      }\n      return false;\n    }\n\n    /**\n     * Checks if `value` is a property name and not a property path.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n     */\n    function isKey(value, object) {\n      if (isArray(value)) {\n        return false;\n      }\n      var type = typeof value;\n      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n          value == null || isSymbol(value)) {\n        return true;\n      }\n      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n        (object != null && value in Object(object));\n    }\n\n    /**\n     * Checks if `value` is suitable for use as unique object key.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n     */\n    function isKeyable(value) {\n      var type = typeof value;\n      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n        ? (value !== '__proto__')\n        : (value === null);\n    }\n\n    /**\n     * Checks if `func` has a lazy counterpart.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n     *  else `false`.\n     */\n    function isLaziable(func) {\n      var funcName = getFuncName(func),\n          other = lodash[funcName];\n\n      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n        return false;\n      }\n      if (func === other) {\n        return true;\n      }\n      var data = getData(other);\n      return !!data && func === data[0];\n    }\n\n    /**\n     * Checks if `func` has its source masked.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n     */\n    function isMasked(func) {\n      return !!maskSrcKey && (maskSrcKey in func);\n    }\n\n    /**\n     * Checks if `func` is capable of being masked.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n     */\n    var isMaskable = coreJsData ? isFunction : stubFalse;\n\n    /**\n     * Checks if `value` is likely a prototype object.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n     */\n    function isPrototype(value) {\n      var Ctor = value && value.constructor,\n          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n      return value === proto;\n    }\n\n    /**\n     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` if suitable for strict\n     *  equality comparisons, else `false`.\n     */\n    function isStrictComparable(value) {\n      return value === value && !isObject(value);\n    }\n\n    /**\n     * A specialized version of `matchesProperty` for source values suitable\n     * for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {string} key The key of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function matchesStrictComparable(key, srcValue) {\n      return function(object) {\n        if (object == null) {\n          return false;\n        }\n        return object[key] === srcValue &&\n          (srcValue !== undefined || (key in Object(object)));\n      };\n    }\n\n    /**\n     * A specialized version of `_.memoize` which clears the memoized function's\n     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n     *\n     * @private\n     * @param {Function} func The function to have its output memoized.\n     * @returns {Function} Returns the new memoized function.\n     */\n    function memoizeCapped(func) {\n      var result = memoize(func, function(key) {\n        if (cache.size === MAX_MEMOIZE_SIZE) {\n          cache.clear();\n        }\n        return key;\n      });\n\n      var cache = result.cache;\n      return result;\n    }\n\n    /**\n     * Merges the function metadata of `source` into `data`.\n     *\n     * Merging metadata reduces the number of wrappers used to invoke a function.\n     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n     * may be applied regardless of execution order. Methods like `_.ary` and\n     * `_.rearg` modify function arguments, making the order in which they are\n     * executed important, preventing the merging of metadata. However, we make\n     * an exception for a safe combined case where curried functions have `_.ary`\n     * and or `_.rearg` applied.\n     *\n     * @private\n     * @param {Array} data The destination metadata.\n     * @param {Array} source The source metadata.\n     * @returns {Array} Returns `data`.\n     */\n    function mergeData(data, source) {\n      var bitmask = data[1],\n          srcBitmask = source[1],\n          newBitmask = bitmask | srcBitmask,\n          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n      var isCombo =\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n      // Exit early if metadata can't be merged.\n      if (!(isCommon || isCombo)) {\n        return data;\n      }\n      // Use source `thisArg` if available.\n      if (srcBitmask & WRAP_BIND_FLAG) {\n        data[2] = source[2];\n        // Set when currying a bound function.\n        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n      }\n      // Compose partial arguments.\n      var value = source[3];\n      if (value) {\n        var partials = data[3];\n        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n      }\n      // Compose partial right arguments.\n      value = source[5];\n      if (value) {\n        partials = data[5];\n        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n      }\n      // Use source `argPos` if available.\n      value = source[7];\n      if (value) {\n        data[7] = value;\n      }\n      // Use source `ary` if it's smaller.\n      if (srcBitmask & WRAP_ARY_FLAG) {\n        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n      }\n      // Use source `arity` if one is not provided.\n      if (data[9] == null) {\n        data[9] = source[9];\n      }\n      // Use source `func` and merge bitmasks.\n      data[0] = source[0];\n      data[1] = newBitmask;\n\n      return data;\n    }\n\n    /**\n     * This function is like\n     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * except that it includes inherited enumerable properties.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function nativeKeysIn(object) {\n      var result = [];\n      if (object != null) {\n        for (var key in Object(object)) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a string using `Object.prototype.toString`.\n     *\n     * @private\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     */\n    function objectToString(value) {\n      return nativeObjectToString.call(value);\n    }\n\n    /**\n     * A specialized version of `baseRest` which transforms the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @param {Function} transform The rest array transform.\n     * @returns {Function} Returns the new function.\n     */\n    function overRest(func, start, transform) {\n      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n      return function() {\n        var args = arguments,\n            index = -1,\n            length = nativeMax(args.length - start, 0),\n            array = Array(length);\n\n        while (++index < length) {\n          array[index] = args[start + index];\n        }\n        index = -1;\n        var otherArgs = Array(start + 1);\n        while (++index < start) {\n          otherArgs[index] = args[index];\n        }\n        otherArgs[start] = transform(array);\n        return apply(func, this, otherArgs);\n      };\n    }\n\n    /**\n     * Gets the parent value at `path` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array} path The path to get the parent value of.\n     * @returns {*} Returns the parent value.\n     */\n    function parent(object, path) {\n      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n    }\n\n    /**\n     * Reorder `array` according to the specified indexes where the element at\n     * the first index is assigned as the first element, the element at\n     * the second index is assigned as the second element, and so on.\n     *\n     * @private\n     * @param {Array} array The array to reorder.\n     * @param {Array} indexes The arranged array indexes.\n     * @returns {Array} Returns `array`.\n     */\n    function reorder(array, indexes) {\n      var arrLength = array.length,\n          length = nativeMin(indexes.length, arrLength),\n          oldArray = copyArray(array);\n\n      while (length--) {\n        var index = indexes[length];\n        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n      }\n      return array;\n    }\n\n    /**\n     * Sets metadata for `func`.\n     *\n     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n     * period of time, it will trip its breaker and transition to an identity\n     * function to avoid garbage collection pauses in V8. See\n     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n     * for more details.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var setData = shortOut(baseSetData);\n\n    /**\n     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    var setTimeout = ctxSetTimeout || function(func, wait) {\n      return root.setTimeout(func, wait);\n    };\n\n    /**\n     * Sets the `toString` method of `func` to return `string`.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var setToString = shortOut(baseSetToString);\n\n    /**\n     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n     * with wrapper details in a comment at the top of the source body.\n     *\n     * @private\n     * @param {Function} wrapper The function to modify.\n     * @param {Function} reference The reference function.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Function} Returns `wrapper`.\n     */\n    function setWrapToString(wrapper, reference, bitmask) {\n      var source = (reference + '');\n      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n    }\n\n    /**\n     * Creates a function that'll short out and invoke `identity` instead\n     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n     * milliseconds.\n     *\n     * @private\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new shortable function.\n     */\n    function shortOut(func) {\n      var count = 0,\n          lastCalled = 0;\n\n      return function() {\n        var stamp = nativeNow(),\n            remaining = HOT_SPAN - (stamp - lastCalled);\n\n        lastCalled = stamp;\n        if (remaining > 0) {\n          if (++count >= HOT_COUNT) {\n            return arguments[0];\n          }\n        } else {\n          count = 0;\n        }\n        return func.apply(undefined, arguments);\n      };\n    }\n\n    /**\n     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @param {number} [size=array.length] The size of `array`.\n     * @returns {Array} Returns `array`.\n     */\n    function shuffleSelf(array, size) {\n      var index = -1,\n          length = array.length,\n          lastIndex = length - 1;\n\n      size = size === undefined ? length : size;\n      while (++index < size) {\n        var rand = baseRandom(index, lastIndex),\n            value = array[rand];\n\n        array[rand] = array[index];\n        array[index] = value;\n      }\n      array.length = size;\n      return array;\n    }\n\n    /**\n     * Converts `string` to a property path array.\n     *\n     * @private\n     * @param {string} string The string to convert.\n     * @returns {Array} Returns the property path array.\n     */\n    var stringToPath = memoizeCapped(function(string) {\n      var result = [];\n      if (reLeadingDot.test(string)) {\n        result.push('');\n      }\n      string.replace(rePropName, function(match, number, quote, string) {\n        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n      });\n      return result;\n    });\n\n    /**\n     * Converts `value` to a string key if it's not a string or symbol.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {string|symbol} Returns the key.\n     */\n    function toKey(value) {\n      if (typeof value == 'string' || isSymbol(value)) {\n        return value;\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * Converts `func` to its source code.\n     *\n     * @private\n     * @param {Function} func The function to convert.\n     * @returns {string} Returns the source code.\n     */\n    function toSource(func) {\n      if (func != null) {\n        try {\n          return funcToString.call(func);\n        } catch (e) {}\n        try {\n          return (func + '');\n        } catch (e) {}\n      }\n      return '';\n    }\n\n    /**\n     * Updates wrapper `details` based on `bitmask` flags.\n     *\n     * @private\n     * @returns {Array} details The details to modify.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Array} Returns `details`.\n     */\n    function updateWrapDetails(details, bitmask) {\n      arrayEach(wrapFlags, function(pair) {\n        var value = '_.' + pair[0];\n        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n          details.push(value);\n        }\n      });\n      return details.sort();\n    }\n\n    /**\n     * Creates a clone of `wrapper`.\n     *\n     * @private\n     * @param {Object} wrapper The wrapper to clone.\n     * @returns {Object} Returns the cloned wrapper.\n     */\n    function wrapperClone(wrapper) {\n      if (wrapper instanceof LazyWrapper) {\n        return wrapper.clone();\n      }\n      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n      result.__actions__ = copyArray(wrapper.__actions__);\n      result.__index__  = wrapper.__index__;\n      result.__values__ = wrapper.__values__;\n      return result;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of elements split into groups the length of `size`.\n     * If `array` can't be split evenly, the final chunk will be the remaining\n     * elements.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to process.\n     * @param {number} [size=1] The length of each chunk\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the new array of chunks.\n     * @example\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 2);\n     * // => [['a', 'b'], ['c', 'd']]\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 3);\n     * // => [['a', 'b', 'c'], ['d']]\n     */\n    function chunk(array, size, guard) {\n      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n        size = 1;\n      } else {\n        size = nativeMax(toInteger(size), 0);\n      }\n      var length = array == null ? 0 : array.length;\n      if (!length || size < 1) {\n        return [];\n      }\n      var index = 0,\n          resIndex = 0,\n          result = Array(nativeCeil(length / size));\n\n      while (index < length) {\n        result[resIndex++] = baseSlice(array, index, (index += size));\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array with all falsey values removed. The values `false`, `null`,\n     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to compact.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.compact([0, 1, false, 2, '', 3]);\n     * // => [1, 2, 3]\n     */\n    function compact(array) {\n      var index = -1,\n          length = array == null ? 0 : array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index];\n        if (value) {\n          result[resIndex++] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates a new array concatenating `array` with any additional arrays\n     * and/or values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to concatenate.\n     * @param {...*} [values] The values to concatenate.\n     * @returns {Array} Returns the new concatenated array.\n     * @example\n     *\n     * var array = [1];\n     * var other = _.concat(array, 2, [3], [[4]]);\n     *\n     * console.log(other);\n     * // => [1, 2, 3, [4]]\n     *\n     * console.log(array);\n     * // => [1]\n     */\n    function concat() {\n      var length = arguments.length;\n      if (!length) {\n        return [];\n      }\n      var args = Array(length - 1),\n          array = arguments[0],\n          index = length;\n\n      while (index--) {\n        args[index - 1] = arguments[index];\n      }\n      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n    }\n\n    /**\n     * Creates an array of `array` values not included in the other given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.without, _.xor\n     * @example\n     *\n     * _.difference([2, 1], [2, 3]);\n     * // => [1]\n     */\n    var difference = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `iteratee` which\n     * is invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var differenceBy = baseRest(function(array, values) {\n      var iteratee = last(values);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `comparator`\n     * which is invoked to compare elements of `array` to `values`. The order and\n     * references of result values are determined by the first array. The comparator\n     * is invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     *\n     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }]\n     */\n    var differenceWith = baseRest(function(array, values) {\n      var comparator = last(values);\n      if (isArrayLikeObject(comparator)) {\n        comparator = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.drop([1, 2, 3]);\n     * // => [2, 3]\n     *\n     * _.drop([1, 2, 3], 2);\n     * // => [3]\n     *\n     * _.drop([1, 2, 3], 5);\n     * // => []\n     *\n     * _.drop([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function drop(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.dropRight([1, 2, 3]);\n     * // => [1, 2]\n     *\n     * _.dropRight([1, 2, 3], 2);\n     * // => [1]\n     *\n     * _.dropRight([1, 2, 3], 5);\n     * // => []\n     *\n     * _.dropRight([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function dropRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the end.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.dropRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropRightWhile(users, ['active', false]);\n     * // => objects for ['barney']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropRightWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the beginning.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.dropWhile(users, function(o) { return !o.active; });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropWhile(users, ['active', false]);\n     * // => objects for ['pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true)\n        : [];\n    }\n\n    /**\n     * Fills elements of `array` with `value` from `start` up to, but not\n     * including, `end`.\n     *\n     * **Note:** This method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Array\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.fill(array, 'a');\n     * console.log(array);\n     * // => ['a', 'a', 'a']\n     *\n     * _.fill(Array(3), 2);\n     * // => [2, 2, 2]\n     *\n     * _.fill([4, 6, 8, 10], '*', 1, 3);\n     * // => [4, '*', '*', 10]\n     */\n    function fill(array, value, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n        start = 0;\n        end = length;\n      }\n      return baseFill(array, value, start, end);\n    }\n\n    /**\n     * This method is like `_.find` except that it returns the index of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n     * // => 0\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findIndex(users, { 'user': 'fred', 'active': false });\n     * // => 1\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findIndex(users, ['active', false]);\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findIndex(users, 'active');\n     * // => 2\n     */\n    function findIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index);\n    }\n\n    /**\n     * This method is like `_.findIndex` except that it iterates over elements\n     * of `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n     * // => 2\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n     * // => 0\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastIndex(users, ['active', false]);\n     * // => 2\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastIndex(users, 'active');\n     * // => 0\n     */\n    function findLastIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length - 1;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = fromIndex < 0\n          ? nativeMax(length + index, 0)\n          : nativeMin(index, length - 1);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n    }\n\n    /**\n     * Flattens `array` a single level deep.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flatten([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, [3, [4]], 5]\n     */\n    function flatten(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, 1) : [];\n    }\n\n    /**\n     * Recursively flattens `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, 3, 4, 5]\n     */\n    function flattenDeep(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, INFINITY) : [];\n    }\n\n    /**\n     * Recursively flatten `array` up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * var array = [1, [2, [3, [4]], 5]];\n     *\n     * _.flattenDepth(array, 1);\n     * // => [1, 2, [3, [4]], 5]\n     *\n     * _.flattenDepth(array, 2);\n     * // => [1, 2, 3, [4], 5]\n     */\n    function flattenDepth(array, depth) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(array, depth);\n    }\n\n    /**\n     * The inverse of `_.toPairs`; this method returns an object composed\n     * from key-value `pairs`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} pairs The key-value pairs.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.fromPairs([['a', 1], ['b', 2]]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function fromPairs(pairs) {\n      var index = -1,\n          length = pairs == null ? 0 : pairs.length,\n          result = {};\n\n      while (++index < length) {\n        var pair = pairs[index];\n        result[pair[0]] = pair[1];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias first\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the first element of `array`.\n     * @example\n     *\n     * _.head([1, 2, 3]);\n     * // => 1\n     *\n     * _.head([]);\n     * // => undefined\n     */\n    function head(array) {\n      return (array && array.length) ? array[0] : undefined;\n    }\n\n    /**\n     * Gets the index at which the first occurrence of `value` is found in `array`\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. If `fromIndex` is negative, it's used as the\n     * offset from the end of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.indexOf([1, 2, 1, 2], 2);\n     * // => 1\n     *\n     * // Search from the `fromIndex`.\n     * _.indexOf([1, 2, 1, 2], 2, 2);\n     * // => 3\n     */\n    function indexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseIndexOf(array, value, index);\n    }\n\n    /**\n     * Gets all but the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.initial([1, 2, 3]);\n     * // => [1, 2]\n     */\n    function initial(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 0, -1) : [];\n    }\n\n    /**\n     * Creates an array of unique values that are included in all given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersection([2, 1], [2, 3]);\n     * // => [2]\n     */\n    var intersection = baseRest(function(arrays) {\n      var mapped = arrayMap(arrays, castArrayLikeObject);\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped)\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `iteratee`\n     * which is invoked for each element of each `arrays` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [2.1]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }]\n     */\n    var intersectionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      if (iteratee === last(mapped)) {\n        iteratee = undefined;\n      } else {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `comparator`\n     * which is invoked to compare elements of `arrays`. The order and references\n     * of result values are determined by the first array. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.intersectionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }]\n     */\n    var intersectionWith = baseRest(function(arrays) {\n      var comparator = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      if (comparator) {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Converts all elements in `array` into a string separated by `separator`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to convert.\n     * @param {string} [separator=','] The element separator.\n     * @returns {string} Returns the joined string.\n     * @example\n     *\n     * _.join(['a', 'b', 'c'], '~');\n     * // => 'a~b~c'\n     */\n    function join(array, separator) {\n      return array == null ? '' : nativeJoin.call(array, separator);\n    }\n\n    /**\n     * Gets the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the last element of `array`.\n     * @example\n     *\n     * _.last([1, 2, 3]);\n     * // => 3\n     */\n    function last(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? array[length - 1] : undefined;\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it iterates over elements of\n     * `array` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.lastIndexOf([1, 2, 1, 2], 2);\n     * // => 3\n     *\n     * // Search from the `fromIndex`.\n     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n     * // => 1\n     */\n    function lastIndexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n      }\n      return value === value\n        ? strictLastIndexOf(array, value, index)\n        : baseFindIndex(array, baseIsNaN, index, true);\n    }\n\n    /**\n     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n     * element from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.11.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=0] The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     *\n     * _.nth(array, 1);\n     * // => 'b'\n     *\n     * _.nth(array, -2);\n     * // => 'c';\n     */\n    function nth(array, n) {\n      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n    }\n\n    /**\n     * Removes all given values from `array` using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n     * to remove elements from an array by predicate.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...*} [values] The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pull(array, 'a', 'c');\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    var pull = baseRest(pullAll);\n\n    /**\n     * This method is like `_.pull` except that it accepts an array of values to remove.\n     *\n     * **Note:** Unlike `_.difference`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pullAll(array, ['a', 'c']);\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    function pullAll(array, values) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values)\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n     * invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The iteratee is invoked with one argument: (value).\n     *\n     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n     *\n     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n     * console.log(array);\n     * // => [{ 'x': 2 }]\n     */\n    function pullAllBy(array, values, iteratee) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, getIteratee(iteratee, 2))\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `comparator` which\n     * is invoked to compare elements of `array` to `values`. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n     *\n     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n     * console.log(array);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n     */\n    function pullAllWith(array, values, comparator) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, undefined, comparator)\n        : array;\n    }\n\n    /**\n     * Removes elements from `array` corresponding to `indexes` and returns an\n     * array of removed elements.\n     *\n     * **Note:** Unlike `_.at`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     * var pulled = _.pullAt(array, [1, 3]);\n     *\n     * console.log(array);\n     * // => ['a', 'c']\n     *\n     * console.log(pulled);\n     * // => ['b', 'd']\n     */\n    var pullAt = flatRest(function(array, indexes) {\n      var length = array == null ? 0 : array.length,\n          result = baseAt(array, indexes);\n\n      basePullAt(array, arrayMap(indexes, function(index) {\n        return isIndex(index, length) ? +index : index;\n      }).sort(compareAscending));\n\n      return result;\n    });\n\n    /**\n     * Removes all elements from `array` that `predicate` returns truthy for\n     * and returns an array of the removed elements. The predicate is invoked\n     * with three arguments: (value, index, array).\n     *\n     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n     * to pull elements from an array by value.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = [1, 2, 3, 4];\n     * var evens = _.remove(array, function(n) {\n     *   return n % 2 == 0;\n     * });\n     *\n     * console.log(array);\n     * // => [1, 3]\n     *\n     * console.log(evens);\n     * // => [2, 4]\n     */\n    function remove(array, predicate) {\n      var result = [];\n      if (!(array && array.length)) {\n        return result;\n      }\n      var index = -1,\n          indexes = [],\n          length = array.length;\n\n      predicate = getIteratee(predicate, 3);\n      while (++index < length) {\n        var value = array[index];\n        if (predicate(value, index, array)) {\n          result.push(value);\n          indexes.push(index);\n        }\n      }\n      basePullAt(array, indexes);\n      return result;\n    }\n\n    /**\n     * Reverses `array` so that the first element becomes the last, the second\n     * element becomes the second to last, and so on.\n     *\n     * **Note:** This method mutates `array` and is based on\n     * [`Array#reverse`](https://mdn.io/Array/reverse).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.reverse(array);\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function reverse(array) {\n      return array == null ? array : nativeReverse.call(array);\n    }\n\n    /**\n     * Creates a slice of `array` from `start` up to, but not including, `end`.\n     *\n     * **Note:** This method is used instead of\n     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n     * returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function slice(array, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n        start = 0;\n        end = length;\n      }\n      else {\n        start = start == null ? 0 : toInteger(start);\n        end = end === undefined ? length : toInteger(end);\n      }\n      return baseSlice(array, start, end);\n    }\n\n    /**\n     * Uses a binary search to determine the lowest index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedIndex([30, 50], 40);\n     * // => 1\n     */\n    function sortedIndex(array, value) {\n      return baseSortedIndex(array, value);\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 0\n     */\n    function sortedIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 1\n     */\n    function sortedIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value);\n        if (index < length && eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it returns the highest\n     * index at which `value` should be inserted into `array` in order to\n     * maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n     * // => 4\n     */\n    function sortedLastIndex(array, value) {\n      return baseSortedIndex(array, value, true);\n    }\n\n    /**\n     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 1\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 1\n     */\n    function sortedLastIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n    }\n\n    /**\n     * This method is like `_.lastIndexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 3\n     */\n    function sortedLastIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value, true) - 1;\n        if (eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.uniq` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniq([1, 1, 2]);\n     * // => [1, 2]\n     */\n    function sortedUniq(array) {\n      return (array && array.length)\n        ? baseSortedUniq(array)\n        : [];\n    }\n\n    /**\n     * This method is like `_.uniqBy` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n     * // => [1.1, 2.3]\n     */\n    function sortedUniqBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n        : [];\n    }\n\n    /**\n     * Gets all but the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.tail([1, 2, 3]);\n     * // => [2, 3]\n     */\n    function tail(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 1, length) : [];\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.take([1, 2, 3]);\n     * // => [1]\n     *\n     * _.take([1, 2, 3], 2);\n     * // => [1, 2]\n     *\n     * _.take([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.take([1, 2, 3], 0);\n     * // => []\n     */\n    function take(array, n, guard) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.takeRight([1, 2, 3]);\n     * // => [3]\n     *\n     * _.takeRight([1, 2, 3], 2);\n     * // => [2, 3]\n     *\n     * _.takeRight([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.takeRight([1, 2, 3], 0);\n     * // => []\n     */\n    function takeRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the end. Elements are\n     * taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.takeRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeRightWhile(users, ['active', false]);\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeRightWhile(users, 'active');\n     * // => []\n     */\n    function takeRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the beginning. Elements\n     * are taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.takeWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeWhile(users, ['active', false]);\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeWhile(users, 'active');\n     * // => []\n     */\n    function takeWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3))\n        : [];\n    }\n\n    /**\n     * Creates an array of unique values, in order, from all given arrays using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.union([2], [1, 2]);\n     * // => [2, 1]\n     */\n    var union = baseRest(function(arrays) {\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which uniqueness is computed. Result values are chosen from the first\n     * array in which the value occurs. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    var unionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `comparator` which\n     * is invoked to compare elements of `arrays`. Result values are chosen from\n     * the first array in which the value occurs. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.unionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var unionWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n    });\n\n    /**\n     * Creates a duplicate-free version of an array, using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons, in which only the first occurrence of each element\n     * is kept. The order of result values is determined by the order they occur\n     * in the array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniq([2, 1, 2]);\n     * // => [2, 1]\n     */\n    function uniq(array) {\n      return (array && array.length) ? baseUniq(array) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * uniqueness is computed. The order of result values is determined by the\n     * order they occur in the array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    function uniqBy(array, iteratee) {\n      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `comparator` which\n     * is invoked to compare elements of `array`. The order of result values is\n     * determined by the order they occur in the array.The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.uniqWith(objects, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n     */\n    function uniqWith(array, comparator) {\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts an array of grouped\n     * elements and creates an array regrouping the elements to their pre-zip\n     * configuration.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.2.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     *\n     * _.unzip(zipped);\n     * // => [['a', 'b'], [1, 2], [true, false]]\n     */\n    function unzip(array) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var length = 0;\n      array = arrayFilter(array, function(group) {\n        if (isArrayLikeObject(group)) {\n          length = nativeMax(group.length, length);\n          return true;\n        }\n      });\n      return baseTimes(length, function(index) {\n        return arrayMap(array, baseProperty(index));\n      });\n    }\n\n    /**\n     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n     * how regrouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  regrouped values.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n     * // => [[1, 10, 100], [2, 20, 200]]\n     *\n     * _.unzipWith(zipped, _.add);\n     * // => [3, 30, 300]\n     */\n    function unzipWith(array, iteratee) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var result = unzip(array);\n      if (iteratee == null) {\n        return result;\n      }\n      return arrayMap(result, function(group) {\n        return apply(iteratee, undefined, group);\n      });\n    }\n\n    /**\n     * Creates an array excluding all given values using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.pull`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...*} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.xor\n     * @example\n     *\n     * _.without([2, 1, 2, 3], 1, 2);\n     * // => [3]\n     */\n    var without = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, values)\n        : [];\n    });\n\n    /**\n     * Creates an array of unique values that is the\n     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n     * of the given arrays. The order of result values is determined by the order\n     * they occur in the arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.without\n     * @example\n     *\n     * _.xor([2, 1], [2, 3]);\n     * // => [1, 3]\n     */\n    var xor = baseRest(function(arrays) {\n      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which by which they're compared. The order of result values is determined\n     * by the order they occur in the arrays. The iteratee is invoked with one\n     * argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2, 3.4]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var xorBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `comparator` which is\n     * invoked to compare elements of `arrays`. The order of result values is\n     * determined by the order they occur in the arrays. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.xorWith(objects, others, _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var xorWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n    });\n\n    /**\n     * Creates an array of grouped elements, the first of which contains the\n     * first elements of the given arrays, the second of which contains the\n     * second elements of the given arrays, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     */\n    var zip = baseRest(unzip);\n\n    /**\n     * This method is like `_.fromPairs` except that it accepts two arrays,\n     * one of property identifiers and one of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.4.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObject(['a', 'b'], [1, 2]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function zipObject(props, values) {\n      return baseZipObject(props || [], values || [], assignValue);\n    }\n\n    /**\n     * This method is like `_.zipObject` except that it supports property paths.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n     */\n    function zipObjectDeep(props, values) {\n      return baseZipObject(props || [], values || [], baseSet);\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts `iteratee` to specify\n     * how grouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  grouped values.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n     *   return a + b + c;\n     * });\n     * // => [111, 222]\n     */\n    var zipWith = baseRest(function(arrays) {\n      var length = arrays.length,\n          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n      return unzipWith(arrays, iteratee);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n     * chain sequences enabled. The result of such sequences must be unwrapped\n     * with `_#value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Seq\n     * @param {*} value The value to wrap.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36 },\n     *   { 'user': 'fred',    'age': 40 },\n     *   { 'user': 'pebbles', 'age': 1 }\n     * ];\n     *\n     * var youngest = _\n     *   .chain(users)\n     *   .sortBy('age')\n     *   .map(function(o) {\n     *     return o.user + ' is ' + o.age;\n     *   })\n     *   .head()\n     *   .value();\n     * // => 'pebbles is 1'\n     */\n    function chain(value) {\n      var result = lodash(value);\n      result.__chain__ = true;\n      return result;\n    }\n\n    /**\n     * This method invokes `interceptor` and returns `value`. The interceptor\n     * is invoked with one argument; (value). The purpose of this method is to\n     * \"tap into\" a method chain sequence in order to modify intermediate results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * _([1, 2, 3])\n     *  .tap(function(array) {\n     *    // Mutate input array.\n     *    array.pop();\n     *  })\n     *  .reverse()\n     *  .value();\n     * // => [2, 1]\n     */\n    function tap(value, interceptor) {\n      interceptor(value);\n      return value;\n    }\n\n    /**\n     * This method is like `_.tap` except that it returns the result of `interceptor`.\n     * The purpose of this method is to \"pass thru\" values replacing intermediate\n     * results in a method chain sequence.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns the result of `interceptor`.\n     * @example\n     *\n     * _('  abc  ')\n     *  .chain()\n     *  .trim()\n     *  .thru(function(value) {\n     *    return [value];\n     *  })\n     *  .value();\n     * // => ['abc']\n     */\n    function thru(value, interceptor) {\n      return interceptor(value);\n    }\n\n    /**\n     * This method is the wrapper version of `_.at`.\n     *\n     * @name at\n     * @memberOf _\n     * @since 1.0.0\n     * @category Seq\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _(object).at(['a[0].b.c', 'a[1]']).value();\n     * // => [3, 4]\n     */\n    var wrapperAt = flatRest(function(paths) {\n      var length = paths.length,\n          start = length ? paths[0] : 0,\n          value = this.__wrapped__,\n          interceptor = function(object) { return baseAt(object, paths); };\n\n      if (length > 1 || this.__actions__.length ||\n          !(value instanceof LazyWrapper) || !isIndex(start)) {\n        return this.thru(interceptor);\n      }\n      value = value.slice(start, +start + (length ? 1 : 0));\n      value.__actions__.push({\n        'func': thru,\n        'args': [interceptor],\n        'thisArg': undefined\n      });\n      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n        if (length && !array.length) {\n          array.push(undefined);\n        }\n        return array;\n      });\n    });\n\n    /**\n     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n     *\n     * @name chain\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 }\n     * ];\n     *\n     * // A sequence without explicit chaining.\n     * _(users).head();\n     * // => { 'user': 'barney', 'age': 36 }\n     *\n     * // A sequence with explicit chaining.\n     * _(users)\n     *   .chain()\n     *   .head()\n     *   .pick('user')\n     *   .value();\n     * // => { 'user': 'barney' }\n     */\n    function wrapperChain() {\n      return chain(this);\n    }\n\n    /**\n     * Executes the chain sequence and returns the wrapped result.\n     *\n     * @name commit\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2];\n     * var wrapped = _(array).push(3);\n     *\n     * console.log(array);\n     * // => [1, 2]\n     *\n     * wrapped = wrapped.commit();\n     * console.log(array);\n     * // => [1, 2, 3]\n     *\n     * wrapped.last();\n     * // => 3\n     *\n     * console.log(array);\n     * // => [1, 2, 3]\n     */\n    function wrapperCommit() {\n      return new LodashWrapper(this.value(), this.__chain__);\n    }\n\n    /**\n     * Gets the next value on a wrapped object following the\n     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n     *\n     * @name next\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the next iterator value.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 1 }\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 2 }\n     *\n     * wrapped.next();\n     * // => { 'done': true, 'value': undefined }\n     */\n    function wrapperNext() {\n      if (this.__values__ === undefined) {\n        this.__values__ = toArray(this.value());\n      }\n      var done = this.__index__ >= this.__values__.length,\n          value = done ? undefined : this.__values__[this.__index__++];\n\n      return { 'done': done, 'value': value };\n    }\n\n    /**\n     * Enables the wrapper to be iterable.\n     *\n     * @name Symbol.iterator\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the wrapper object.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped[Symbol.iterator]() === wrapped;\n     * // => true\n     *\n     * Array.from(wrapped);\n     * // => [1, 2]\n     */\n    function wrapperToIterator() {\n      return this;\n    }\n\n    /**\n     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n     *\n     * @name plant\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @param {*} value The value to plant.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2]).map(square);\n     * var other = wrapped.plant([3, 4]);\n     *\n     * other.value();\n     * // => [9, 16]\n     *\n     * wrapped.value();\n     * // => [1, 4]\n     */\n    function wrapperPlant(value) {\n      var result,\n          parent = this;\n\n      while (parent instanceof baseLodash) {\n        var clone = wrapperClone(parent);\n        clone.__index__ = 0;\n        clone.__values__ = undefined;\n        if (result) {\n          previous.__wrapped__ = clone;\n        } else {\n          result = clone;\n        }\n        var previous = clone;\n        parent = parent.__wrapped__;\n      }\n      previous.__wrapped__ = value;\n      return result;\n    }\n\n    /**\n     * This method is the wrapper version of `_.reverse`.\n     *\n     * **Note:** This method mutates the wrapped array.\n     *\n     * @name reverse\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _(array).reverse().value()\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function wrapperReverse() {\n      var value = this.__wrapped__;\n      if (value instanceof LazyWrapper) {\n        var wrapped = value;\n        if (this.__actions__.length) {\n          wrapped = new LazyWrapper(this);\n        }\n        wrapped = wrapped.reverse();\n        wrapped.__actions__.push({\n          'func': thru,\n          'args': [reverse],\n          'thisArg': undefined\n        });\n        return new LodashWrapper(wrapped, this.__chain__);\n      }\n      return this.thru(reverse);\n    }\n\n    /**\n     * Executes the chain sequence to resolve the unwrapped value.\n     *\n     * @name value\n     * @memberOf _\n     * @since 0.1.0\n     * @alias toJSON, valueOf\n     * @category Seq\n     * @returns {*} Returns the resolved unwrapped value.\n     * @example\n     *\n     * _([1, 2, 3]).value();\n     * // => [1, 2, 3]\n     */\n    function wrapperValue() {\n      return baseWrapperValue(this.__wrapped__, this.__actions__);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the number of times the key was returned by `iteratee`. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': 1, '6': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.countBy(['one', 'two', 'three'], 'length');\n     * // => { '3': 2, '5': 1 }\n     */\n    var countBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        ++result[key];\n      } else {\n        baseAssignValue(result, key, 1);\n      }\n    });\n\n    /**\n     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n     * Iteration is stopped once `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * **Note:** This method returns `true` for\n     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n     * elements of empty collections.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.every([true, 1, null, 'yes'], Boolean);\n     * // => false\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.every(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.every(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.every(users, 'active');\n     * // => false\n     */\n    function every(collection, predicate, guard) {\n      var func = isArray(collection) ? arrayEvery : baseEvery;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning an array of all elements\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * **Note:** Unlike `_.remove`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.reject\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * _.filter(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, { 'age': 36, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.filter(users, 'active');\n     * // => objects for ['barney']\n     */\n    function filter(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning the first element\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': true },\n     *   { 'user': 'fred',    'age': 40, 'active': false },\n     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n     * ];\n     *\n     * _.find(users, function(o) { return o.age < 40; });\n     * // => object for 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.find(users, { 'age': 1, 'active': true });\n     * // => object for 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.find(users, ['active', false]);\n     * // => object for 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.find(users, 'active');\n     * // => object for 'barney'\n     */\n    var find = createFind(findIndex);\n\n    /**\n     * This method is like `_.find` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=collection.length-1] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * _.findLast([1, 2, 3, 4], function(n) {\n     *   return n % 2 == 1;\n     * });\n     * // => 3\n     */\n    var findLast = createFind(findLastIndex);\n\n    /**\n     * Creates a flattened array of values by running each element in `collection`\n     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n     * with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [n, n];\n     * }\n     *\n     * _.flatMap([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMap(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), 1);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDeep([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMapDeep(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), INFINITY);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDepth([1, 2], duplicate, 2);\n     * // => [[1, 1], [2, 2]]\n     */\n    function flatMapDepth(collection, iteratee, depth) {\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(map(collection, iteratee), depth);\n    }\n\n    /**\n     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n     * The iteratee is invoked with three arguments: (value, index|key, collection).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n     * or `_.forOwn` for object iteration.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias each\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEachRight\n     * @example\n     *\n     * _.forEach([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `1` then `2`.\n     *\n     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forEach(collection, iteratee) {\n      var func = isArray(collection) ? arrayEach : baseEach;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forEach` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @alias eachRight\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEach\n     * @example\n     *\n     * _.forEachRight([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `2` then `1`.\n     */\n    function forEachRight(collection, iteratee) {\n      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The order of grouped values\n     * is determined by the order they occur in `collection`. The corresponding\n     * value of each key is an array of elements responsible for generating the\n     * key. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': [4.2], '6': [6.1, 6.3] }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.groupBy(['one', 'two', 'three'], 'length');\n     * // => { '3': ['one', 'two'], '5': ['three'] }\n     */\n    var groupBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        result[key].push(value);\n      } else {\n        baseAssignValue(result, key, [value]);\n      }\n    });\n\n    /**\n     * Checks if `value` is in `collection`. If `collection` is a string, it's\n     * checked for a substring of `value`, otherwise\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n     * the offset from the end of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n     * @example\n     *\n     * _.includes([1, 2, 3], 1);\n     * // => true\n     *\n     * _.includes([1, 2, 3], 1, 2);\n     * // => false\n     *\n     * _.includes({ 'a': 1, 'b': 2 }, 1);\n     * // => true\n     *\n     * _.includes('abcd', 'bc');\n     * // => true\n     */\n    function includes(collection, value, fromIndex, guard) {\n      collection = isArrayLike(collection) ? collection : values(collection);\n      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n      var length = collection.length;\n      if (fromIndex < 0) {\n        fromIndex = nativeMax(length + fromIndex, 0);\n      }\n      return isString(collection)\n        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n    }\n\n    /**\n     * Invokes the method at `path` of each element in `collection`, returning\n     * an array of the results of each invoked method. Any additional arguments\n     * are provided to each invoked method. If `path` is a function, it's invoked\n     * for, and `this` bound to, each element in `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array|Function|string} path The path of the method to invoke or\n     *  the function invoked per iteration.\n     * @param {...*} [args] The arguments to invoke each method with.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n     * // => [[1, 5, 7], [1, 2, 3]]\n     *\n     * _.invokeMap([123, 456], String.prototype.split, '');\n     * // => [['1', '2', '3'], ['4', '5', '6']]\n     */\n    var invokeMap = baseRest(function(collection, path, args) {\n      var index = -1,\n          isFunc = typeof path == 'function',\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value) {\n        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n      });\n      return result;\n    });\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the last element responsible for generating the key. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * var array = [\n     *   { 'dir': 'left', 'code': 97 },\n     *   { 'dir': 'right', 'code': 100 }\n     * ];\n     *\n     * _.keyBy(array, function(o) {\n     *   return String.fromCharCode(o.code);\n     * });\n     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n     *\n     * _.keyBy(array, 'dir');\n     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n     */\n    var keyBy = createAggregator(function(result, value, key) {\n      baseAssignValue(result, key, value);\n    });\n\n    /**\n     * Creates an array of values by running each element in `collection` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n     *\n     * The guarded methods are:\n     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * _.map([4, 8], square);\n     * // => [16, 64]\n     *\n     * _.map({ 'a': 4, 'b': 8 }, square);\n     * // => [16, 64] (iteration order is not guaranteed)\n     *\n     * var users = [\n     *   { 'user': 'barney' },\n     *   { 'user': 'fred' }\n     * ];\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, 'user');\n     * // => ['barney', 'fred']\n     */\n    function map(collection, iteratee) {\n      var func = isArray(collection) ? arrayMap : baseMap;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.sortBy` except that it allows specifying the sort\n     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n     * descending or \"asc\" for ascending sort order of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @param {string[]} [orders] The sort orders of `iteratees`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 34 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 36 }\n     * ];\n     *\n     * // Sort by `user` in ascending order and by `age` in descending order.\n     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     */\n    function orderBy(collection, iteratees, orders, guard) {\n      if (collection == null) {\n        return [];\n      }\n      if (!isArray(iteratees)) {\n        iteratees = iteratees == null ? [] : [iteratees];\n      }\n      orders = guard ? undefined : orders;\n      if (!isArray(orders)) {\n        orders = orders == null ? [] : [orders];\n      }\n      return baseOrderBy(collection, iteratees, orders);\n    }\n\n    /**\n     * Creates an array of elements split into two groups, the first of which\n     * contains elements `predicate` returns truthy for, the second of which\n     * contains elements `predicate` returns falsey for. The predicate is\n     * invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of grouped elements.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': false },\n     *   { 'user': 'fred',    'age': 40, 'active': true },\n     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n     * ];\n     *\n     * _.partition(users, function(o) { return o.active; });\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.partition(users, { 'age': 1, 'active': false });\n     * // => objects for [['pebbles'], ['barney', 'fred']]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.partition(users, ['active', false]);\n     * // => objects for [['barney', 'pebbles'], ['fred']]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.partition(users, 'active');\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     */\n    var partition = createAggregator(function(result, value, key) {\n      result[key ? 0 : 1].push(value);\n    }, function() { return [[], []]; });\n\n    /**\n     * Reduces `collection` to a value which is the accumulated result of running\n     * each element in `collection` thru `iteratee`, where each successive\n     * invocation is supplied the return value of the previous. If `accumulator`\n     * is not given, the first element of `collection` is used as the initial\n     * value. The iteratee is invoked with four arguments:\n     * (accumulator, value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n     *\n     * The guarded methods are:\n     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n     * and `sortBy`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduceRight\n     * @example\n     *\n     * _.reduce([1, 2], function(sum, n) {\n     *   return sum + n;\n     * }, 0);\n     * // => 3\n     *\n     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     *   return result;\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n     */\n    function reduce(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduce : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n    }\n\n    /**\n     * This method is like `_.reduce` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduce\n     * @example\n     *\n     * var array = [[0, 1], [2, 3], [4, 5]];\n     *\n     * _.reduceRight(array, function(flattened, other) {\n     *   return flattened.concat(other);\n     * }, []);\n     * // => [4, 5, 2, 3, 0, 1]\n     */\n    function reduceRight(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n    }\n\n    /**\n     * The opposite of `_.filter`; this method returns the elements of `collection`\n     * that `predicate` does **not** return truthy for.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.filter\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': true }\n     * ];\n     *\n     * _.reject(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.reject(users, { 'age': 40, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.reject(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.reject(users, 'active');\n     * // => objects for ['barney']\n     */\n    function reject(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, negate(getIteratee(predicate, 3)));\n    }\n\n    /**\n     * Gets a random element from `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     * @example\n     *\n     * _.sample([1, 2, 3, 4]);\n     * // => 2\n     */\n    function sample(collection) {\n      var func = isArray(collection) ? arraySample : baseSample;\n      return func(collection);\n    }\n\n    /**\n     * Gets `n` random elements at unique keys from `collection` up to the\n     * size of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} [n=1] The number of elements to sample.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the random elements.\n     * @example\n     *\n     * _.sampleSize([1, 2, 3], 2);\n     * // => [3, 1]\n     *\n     * _.sampleSize([1, 2, 3], 4);\n     * // => [2, 3, 1]\n     */\n    function sampleSize(collection, n, guard) {\n      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n      return func(collection, n);\n    }\n\n    /**\n     * Creates an array of shuffled values, using a version of the\n     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     * @example\n     *\n     * _.shuffle([1, 2, 3, 4]);\n     * // => [4, 1, 3, 2]\n     */\n    function shuffle(collection) {\n      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n      return func(collection);\n    }\n\n    /**\n     * Gets the size of `collection` by returning its length for array-like\n     * values or the number of own enumerable string keyed properties for objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @returns {number} Returns the collection size.\n     * @example\n     *\n     * _.size([1, 2, 3]);\n     * // => 3\n     *\n     * _.size({ 'a': 1, 'b': 2 });\n     * // => 2\n     *\n     * _.size('pebbles');\n     * // => 7\n     */\n    function size(collection) {\n      if (collection == null) {\n        return 0;\n      }\n      if (isArrayLike(collection)) {\n        return isString(collection) ? stringSize(collection) : collection.length;\n      }\n      var tag = getTag(collection);\n      if (tag == mapTag || tag == setTag) {\n        return collection.size;\n      }\n      return baseKeys(collection).length;\n    }\n\n    /**\n     * Checks if `predicate` returns truthy for **any** element of `collection`.\n     * Iteration is stopped once `predicate` returns truthy. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.some([null, 0, 'yes', false], Boolean);\n     * // => true\n     *\n     * var users = [\n     *   { 'user': 'barney', 'active': true },\n     *   { 'user': 'fred',   'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.some(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.some(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.some(users, 'active');\n     * // => true\n     */\n    function some(collection, predicate, guard) {\n      var func = isArray(collection) ? arraySome : baseSome;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Creates an array of elements, sorted in ascending order by the results of\n     * running each element in a collection thru each iteratee. This method\n     * performs a stable sort, that is, it preserves the original sort order of\n     * equal elements. The iteratees are invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 34 }\n     * ];\n     *\n     * _.sortBy(users, [function(o) { return o.user; }]);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     *\n     * _.sortBy(users, ['user', 'age']);\n     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n     */\n    var sortBy = baseRest(function(collection, iteratees) {\n      if (collection == null) {\n        return [];\n      }\n      var length = iteratees.length;\n      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n        iteratees = [];\n      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n        iteratees = [iteratees[0]];\n      }\n      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Gets the timestamp of the number of milliseconds that have elapsed since\n     * the Unix epoch (1 January 1970 00:00:00 UTC).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Date\n     * @returns {number} Returns the timestamp.\n     * @example\n     *\n     * _.defer(function(stamp) {\n     *   console.log(_.now() - stamp);\n     * }, _.now());\n     * // => Logs the number of milliseconds it took for the deferred invocation.\n     */\n    var now = ctxNow || function() {\n      return root.Date.now();\n    };\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The opposite of `_.before`; this method creates a function that invokes\n     * `func` once it's called `n` or more times.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {number} n The number of calls before `func` is invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var saves = ['profile', 'settings'];\n     *\n     * var done = _.after(saves.length, function() {\n     *   console.log('done saving!');\n     * });\n     *\n     * _.forEach(saves, function(type) {\n     *   asyncSave({ 'type': type, 'complete': done });\n     * });\n     * // => Logs 'done saving!' after the two async saves have completed.\n     */\n    function after(n, func) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n < 1) {\n          return func.apply(this, arguments);\n        }\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func`, with up to `n` arguments,\n     * ignoring any additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @param {number} [n=func.length] The arity cap.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n     * // => [6, 8, 10]\n     */\n    function ary(func, n, guard) {\n      n = guard ? undefined : n;\n      n = (func && n == null) ? func.length : n;\n      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n    }\n\n    /**\n     * Creates a function that invokes `func`, with the `this` binding and arguments\n     * of the created function, while it's called less than `n` times. Subsequent\n     * calls to the created function return the result of the last `func` invocation.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {number} n The number of calls at which `func` is no longer invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * jQuery(element).on('click', _.before(5, addContactToList));\n     * // => Allows adding up to 4 contacts to the list.\n     */\n    function before(n, func) {\n      var result;\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n > 0) {\n          result = func.apply(this, arguments);\n        }\n        if (n <= 1) {\n          func = undefined;\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n     * and `partials` prepended to the arguments it receives.\n     *\n     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n     * property of bound functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to bind.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * function greet(greeting, punctuation) {\n     *   return greeting + ' ' + this.user + punctuation;\n     * }\n     *\n     * var object = { 'user': 'fred' };\n     *\n     * var bound = _.bind(greet, object, 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bind(greet, object, _, '!');\n     * bound('hi');\n     * // => 'hi fred!'\n     */\n    var bind = baseRest(function(func, thisArg, partials) {\n      var bitmask = WRAP_BIND_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bind));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(func, bitmask, thisArg, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes the method at `object[key]` with `partials`\n     * prepended to the arguments it receives.\n     *\n     * This method differs from `_.bind` by allowing bound functions to reference\n     * methods that may be redefined or don't yet exist. See\n     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n     * for more details.\n     *\n     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Function\n     * @param {Object} object The object to invoke the method on.\n     * @param {string} key The key of the method.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * var object = {\n     *   'user': 'fred',\n     *   'greet': function(greeting, punctuation) {\n     *     return greeting + ' ' + this.user + punctuation;\n     *   }\n     * };\n     *\n     * var bound = _.bindKey(object, 'greet', 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * object.greet = function(greeting, punctuation) {\n     *   return greeting + 'ya ' + this.user + punctuation;\n     * };\n     *\n     * bound('!');\n     * // => 'hiya fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bindKey(object, 'greet', _, '!');\n     * bound('hi');\n     * // => 'hiya fred!'\n     */\n    var bindKey = baseRest(function(object, key, partials) {\n      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bindKey));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(key, bitmask, object, partials, holders);\n    });\n\n    /**\n     * Creates a function that accepts arguments of `func` and either invokes\n     * `func` returning its result, if at least `arity` number of arguments have\n     * been provided, or returns a function that accepts the remaining `func`\n     * arguments, and so on. The arity of `func` may be specified if `func.length`\n     * is not sufficient.\n     *\n     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curry(abc);\n     *\n     * curried(1)(2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(1)(_, 3)(2);\n     * // => [1, 2, 3]\n     */\n    function curry(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curry.placeholder;\n      return result;\n    }\n\n    /**\n     * This method is like `_.curry` except that arguments are applied to `func`\n     * in the manner of `_.partialRight` instead of `_.partial`.\n     *\n     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curryRight(abc);\n     *\n     * curried(3)(2)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(2, 3)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(3)(1, _)(2);\n     * // => [1, 2, 3]\n     */\n    function curryRight(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curryRight.placeholder;\n      return result;\n    }\n\n    /**\n     * Creates a debounced function that delays invoking `func` until after `wait`\n     * milliseconds have elapsed since the last time the debounced function was\n     * invoked. The debounced function comes with a `cancel` method to cancel\n     * delayed `func` invocations and a `flush` method to immediately invoke them.\n     * Provide `options` to indicate whether `func` should be invoked on the\n     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n     * with the last arguments provided to the debounced function. Subsequent\n     * calls to the debounced function return the result of the last `func`\n     * invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the debounced function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.debounce` and `_.throttle`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to debounce.\n     * @param {number} [wait=0] The number of milliseconds to delay.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=false]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {number} [options.maxWait]\n     *  The maximum time `func` is allowed to be delayed before it's invoked.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new debounced function.\n     * @example\n     *\n     * // Avoid costly calculations while the window size is in flux.\n     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n     *\n     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n     *   'leading': true,\n     *   'trailing': false\n     * }));\n     *\n     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n     * var source = new EventSource('/stream');\n     * jQuery(source).on('message', debounced);\n     *\n     * // Cancel the trailing debounced invocation.\n     * jQuery(window).on('popstate', debounced.cancel);\n     */\n    function debounce(func, wait, options) {\n      var lastArgs,\n          lastThis,\n          maxWait,\n          result,\n          timerId,\n          lastCallTime,\n          lastInvokeTime = 0,\n          leading = false,\n          maxing = false,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      wait = toNumber(wait) || 0;\n      if (isObject(options)) {\n        leading = !!options.leading;\n        maxing = 'maxWait' in options;\n        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n\n      function invokeFunc(time) {\n        var args = lastArgs,\n            thisArg = lastThis;\n\n        lastArgs = lastThis = undefined;\n        lastInvokeTime = time;\n        result = func.apply(thisArg, args);\n        return result;\n      }\n\n      function leadingEdge(time) {\n        // Reset any `maxWait` timer.\n        lastInvokeTime = time;\n        // Start the timer for the trailing edge.\n        timerId = setTimeout(timerExpired, wait);\n        // Invoke the leading edge.\n        return leading ? invokeFunc(time) : result;\n      }\n\n      function remainingWait(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime,\n            result = wait - timeSinceLastCall;\n\n        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n      }\n\n      function shouldInvoke(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime;\n\n        // Either this is the first call, activity has stopped and we're at the\n        // trailing edge, the system time has gone backwards and we're treating\n        // it as the trailing edge, or we've hit the `maxWait` limit.\n        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n      }\n\n      function timerExpired() {\n        var time = now();\n        if (shouldInvoke(time)) {\n          return trailingEdge(time);\n        }\n        // Restart the timer.\n        timerId = setTimeout(timerExpired, remainingWait(time));\n      }\n\n      function trailingEdge(time) {\n        timerId = undefined;\n\n        // Only invoke if we have `lastArgs` which means `func` has been\n        // debounced at least once.\n        if (trailing && lastArgs) {\n          return invokeFunc(time);\n        }\n        lastArgs = lastThis = undefined;\n        return result;\n      }\n\n      function cancel() {\n        if (timerId !== undefined) {\n          clearTimeout(timerId);\n        }\n        lastInvokeTime = 0;\n        lastArgs = lastCallTime = lastThis = timerId = undefined;\n      }\n\n      function flush() {\n        return timerId === undefined ? result : trailingEdge(now());\n      }\n\n      function debounced() {\n        var time = now(),\n            isInvoking = shouldInvoke(time);\n\n        lastArgs = arguments;\n        lastThis = this;\n        lastCallTime = time;\n\n        if (isInvoking) {\n          if (timerId === undefined) {\n            return leadingEdge(lastCallTime);\n          }\n          if (maxing) {\n            // Handle invocations in a tight loop.\n            timerId = setTimeout(timerExpired, wait);\n            return invokeFunc(lastCallTime);\n          }\n        }\n        if (timerId === undefined) {\n          timerId = setTimeout(timerExpired, wait);\n        }\n        return result;\n      }\n      debounced.cancel = cancel;\n      debounced.flush = flush;\n      return debounced;\n    }\n\n    /**\n     * Defers invoking the `func` until the current call stack has cleared. Any\n     * additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to defer.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.defer(function(text) {\n     *   console.log(text);\n     * }, 'deferred');\n     * // => Logs 'deferred' after one millisecond.\n     */\n    var defer = baseRest(function(func, args) {\n      return baseDelay(func, 1, args);\n    });\n\n    /**\n     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n     * provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.delay(function(text) {\n     *   console.log(text);\n     * }, 1000, 'later');\n     * // => Logs 'later' after one second.\n     */\n    var delay = baseRest(function(func, wait, args) {\n      return baseDelay(func, toNumber(wait) || 0, args);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments reversed.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to flip arguments for.\n     * @returns {Function} Returns the new flipped function.\n     * @example\n     *\n     * var flipped = _.flip(function() {\n     *   return _.toArray(arguments);\n     * });\n     *\n     * flipped('a', 'b', 'c', 'd');\n     * // => ['d', 'c', 'b', 'a']\n     */\n    function flip(func) {\n      return createWrap(func, WRAP_FLIP_FLAG);\n    }\n\n    /**\n     * Creates a function that memoizes the result of `func`. If `resolver` is\n     * provided, it determines the cache key for storing the result based on the\n     * arguments provided to the memoized function. By default, the first argument\n     * provided to the memoized function is used as the map cache key. The `func`\n     * is invoked with the `this` binding of the memoized function.\n     *\n     * **Note:** The cache is exposed as the `cache` property on the memoized\n     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n     * constructor with one whose instances implement the\n     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to have its output memoized.\n     * @param {Function} [resolver] The function to resolve the cache key.\n     * @returns {Function} Returns the new memoized function.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     * var other = { 'c': 3, 'd': 4 };\n     *\n     * var values = _.memoize(_.values);\n     * values(object);\n     * // => [1, 2]\n     *\n     * values(other);\n     * // => [3, 4]\n     *\n     * object.a = 2;\n     * values(object);\n     * // => [1, 2]\n     *\n     * // Modify the result cache.\n     * values.cache.set(object, ['a', 'b']);\n     * values(object);\n     * // => ['a', 'b']\n     *\n     * // Replace `_.memoize.Cache`.\n     * _.memoize.Cache = WeakMap;\n     */\n    function memoize(func, resolver) {\n      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var memoized = function() {\n        var args = arguments,\n            key = resolver ? resolver.apply(this, args) : args[0],\n            cache = memoized.cache;\n\n        if (cache.has(key)) {\n          return cache.get(key);\n        }\n        var result = func.apply(this, args);\n        memoized.cache = cache.set(key, result) || cache;\n        return result;\n      };\n      memoized.cache = new (memoize.Cache || MapCache);\n      return memoized;\n    }\n\n    // Expose `MapCache`.\n    memoize.Cache = MapCache;\n\n    /**\n     * Creates a function that negates the result of the predicate `func`. The\n     * `func` predicate is invoked with the `this` binding and arguments of the\n     * created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} predicate The predicate to negate.\n     * @returns {Function} Returns the new negated function.\n     * @example\n     *\n     * function isEven(n) {\n     *   return n % 2 == 0;\n     * }\n     *\n     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n     * // => [1, 3, 5]\n     */\n    function negate(predicate) {\n      if (typeof predicate != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return function() {\n        var args = arguments;\n        switch (args.length) {\n          case 0: return !predicate.call(this);\n          case 1: return !predicate.call(this, args[0]);\n          case 2: return !predicate.call(this, args[0], args[1]);\n          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n        }\n        return !predicate.apply(this, args);\n      };\n    }\n\n    /**\n     * Creates a function that is restricted to invoking `func` once. Repeat calls\n     * to the function return the value of the first invocation. The `func` is\n     * invoked with the `this` binding and arguments of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var initialize = _.once(createApplication);\n     * initialize();\n     * initialize();\n     * // => `createApplication` is invoked once\n     */\n    function once(func) {\n      return before(2, func);\n    }\n\n    /**\n     * Creates a function that invokes `func` with its arguments transformed.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to wrap.\n     * @param {...(Function|Function[])} [transforms=[_.identity]]\n     *  The argument transforms.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * function doubled(n) {\n     *   return n * 2;\n     * }\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var func = _.overArgs(function(x, y) {\n     *   return [x, y];\n     * }, [square, doubled]);\n     *\n     * func(9, 3);\n     * // => [81, 6]\n     *\n     * func(10, 5);\n     * // => [100, 10]\n     */\n    var overArgs = castRest(function(func, transforms) {\n      transforms = (transforms.length == 1 && isArray(transforms[0]))\n        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n      var funcsLength = transforms.length;\n      return baseRest(function(args) {\n        var index = -1,\n            length = nativeMin(args.length, funcsLength);\n\n        while (++index < length) {\n          args[index] = transforms[index].call(this, args[index]);\n        }\n        return apply(func, this, args);\n      });\n    });\n\n    /**\n     * Creates a function that invokes `func` with `partials` prepended to the\n     * arguments it receives. This method is like `_.bind` except it does **not**\n     * alter the `this` binding.\n     *\n     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.2.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var sayHelloTo = _.partial(greet, 'hello');\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     *\n     * // Partially applied with placeholders.\n     * var greetFred = _.partial(greet, _, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     */\n    var partial = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partial));\n      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * This method is like `_.partial` except that partially applied arguments\n     * are appended to the arguments it receives.\n     *\n     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var greetFred = _.partialRight(greet, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     *\n     * // Partially applied with placeholders.\n     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     */\n    var partialRight = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partialRight));\n      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments arranged according\n     * to the specified `indexes` where the argument value at the first index is\n     * provided as the first argument, the argument value at the second index is\n     * provided as the second argument, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to rearrange arguments for.\n     * @param {...(number|number[])} indexes The arranged argument indexes.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var rearged = _.rearg(function(a, b, c) {\n     *   return [a, b, c];\n     * }, [2, 0, 1]);\n     *\n     * rearged('b', 'c', 'a')\n     * // => ['a', 'b', 'c']\n     */\n    var rearg = flatRest(function(func, indexes) {\n      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n    });\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * created function and arguments from `start` and beyond provided as\n     * an array.\n     *\n     * **Note:** This method is based on the\n     * [rest parameter](https://mdn.io/rest_parameters).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.rest(function(what, names) {\n     *   return what + ' ' + _.initial(names).join(', ') +\n     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n     * });\n     *\n     * say('hello', 'fred', 'barney', 'pebbles');\n     * // => 'hello fred, barney, & pebbles'\n     */\n    function rest(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start === undefined ? start : toInteger(start);\n      return baseRest(func, start);\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * create function and an array of arguments much like\n     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n     *\n     * **Note:** This method is based on the\n     * [spread operator](https://mdn.io/spread_operator).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Function\n     * @param {Function} func The function to spread arguments over.\n     * @param {number} [start=0] The start position of the spread.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.spread(function(who, what) {\n     *   return who + ' says ' + what;\n     * });\n     *\n     * say(['fred', 'hello']);\n     * // => 'fred says hello'\n     *\n     * var numbers = Promise.all([\n     *   Promise.resolve(40),\n     *   Promise.resolve(36)\n     * ]);\n     *\n     * numbers.then(_.spread(function(x, y) {\n     *   return x + y;\n     * }));\n     * // => a Promise of 76\n     */\n    function spread(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n      return baseRest(function(args) {\n        var array = args[start],\n            otherArgs = castSlice(args, 0, start);\n\n        if (array) {\n          arrayPush(otherArgs, array);\n        }\n        return apply(func, this, otherArgs);\n      });\n    }\n\n    /**\n     * Creates a throttled function that only invokes `func` at most once per\n     * every `wait` milliseconds. The throttled function comes with a `cancel`\n     * method to cancel delayed `func` invocations and a `flush` method to\n     * immediately invoke them. Provide `options` to indicate whether `func`\n     * should be invoked on the leading and/or trailing edge of the `wait`\n     * timeout. The `func` is invoked with the last arguments provided to the\n     * throttled function. Subsequent calls to the throttled function return the\n     * result of the last `func` invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the throttled function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.throttle` and `_.debounce`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to throttle.\n     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=true]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new throttled function.\n     * @example\n     *\n     * // Avoid excessively updating the position while scrolling.\n     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n     *\n     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n     * jQuery(element).on('click', throttled);\n     *\n     * // Cancel the trailing throttled invocation.\n     * jQuery(window).on('popstate', throttled.cancel);\n     */\n    function throttle(func, wait, options) {\n      var leading = true,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      if (isObject(options)) {\n        leading = 'leading' in options ? !!options.leading : leading;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n      return debounce(func, wait, {\n        'leading': leading,\n        'maxWait': wait,\n        'trailing': trailing\n      });\n    }\n\n    /**\n     * Creates a function that accepts up to one argument, ignoring any\n     * additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.unary(parseInt));\n     * // => [6, 8, 10]\n     */\n    function unary(func) {\n      return ary(func, 1);\n    }\n\n    /**\n     * Creates a function that provides `value` to `wrapper` as its first\n     * argument. Any additional arguments provided to the function are appended\n     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n     * binding of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {*} value The value to wrap.\n     * @param {Function} [wrapper=identity] The wrapper function.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var p = _.wrap(_.escape, function(func, text) {\n     *   return '<p>' + func(text) + '</p>';\n     * });\n     *\n     * p('fred, barney, & pebbles');\n     * // => '<p>fred, barney, &amp; pebbles</p>'\n     */\n    function wrap(value, wrapper) {\n      return partial(castFunction(wrapper), value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Casts `value` as an array if it's not one.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Lang\n     * @param {*} value The value to inspect.\n     * @returns {Array} Returns the cast array.\n     * @example\n     *\n     * _.castArray(1);\n     * // => [1]\n     *\n     * _.castArray({ 'a': 1 });\n     * // => [{ 'a': 1 }]\n     *\n     * _.castArray('abc');\n     * // => ['abc']\n     *\n     * _.castArray(null);\n     * // => [null]\n     *\n     * _.castArray(undefined);\n     * // => [undefined]\n     *\n     * _.castArray();\n     * // => []\n     *\n     * var array = [1, 2, 3];\n     * console.log(_.castArray(array) === array);\n     * // => true\n     */\n    function castArray() {\n      if (!arguments.length) {\n        return [];\n      }\n      var value = arguments[0];\n      return isArray(value) ? value : [value];\n    }\n\n    /**\n     * Creates a shallow clone of `value`.\n     *\n     * **Note:** This method is loosely based on the\n     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n     * arrays. The own enumerable properties of `arguments` objects are cloned\n     * as plain objects. An empty object is returned for uncloneable values such\n     * as error objects, functions, DOM nodes, and WeakMaps.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeep\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var shallow = _.clone(objects);\n     * console.log(shallow[0] === objects[0]);\n     * // => true\n     */\n    function clone(value) {\n      return baseClone(value, CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.clone` except that it accepts `customizer` which\n     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n     * cloning is handled by the method instead. The `customizer` is invoked with\n     * up to four arguments; (value [, index|key, object, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeepWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(false);\n     *   }\n     * }\n     *\n     * var el = _.cloneWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 0\n     */\n    function cloneWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * This method is like `_.clone` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.clone\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var deep = _.cloneDeep(objects);\n     * console.log(deep[0] === objects[0]);\n     * // => false\n     */\n    function cloneDeep(value) {\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.cloneWith` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.cloneWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(true);\n     *   }\n     * }\n     *\n     * var el = _.cloneDeepWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 20\n     */\n    function cloneDeepWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * Checks if `object` conforms to `source` by invoking the predicate\n     * properties of `source` with the corresponding property values of `object`.\n     *\n     * **Note:** This method is equivalent to `_.conforms` when `source` is\n     * partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n     * // => true\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n     * // => false\n     */\n    function conformsTo(object, source) {\n      return source == null || baseConformsTo(object, source, keys(source));\n    }\n\n    /**\n     * Performs a\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * comparison between two values to determine if they are equivalent.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.eq(object, object);\n     * // => true\n     *\n     * _.eq(object, other);\n     * // => false\n     *\n     * _.eq('a', 'a');\n     * // => true\n     *\n     * _.eq('a', Object('a'));\n     * // => false\n     *\n     * _.eq(NaN, NaN);\n     * // => true\n     */\n    function eq(value, other) {\n      return value === other || (value !== value && other !== other);\n    }\n\n    /**\n     * Checks if `value` is greater than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     * @see _.lt\n     * @example\n     *\n     * _.gt(3, 1);\n     * // => true\n     *\n     * _.gt(3, 3);\n     * // => false\n     *\n     * _.gt(1, 3);\n     * // => false\n     */\n    var gt = createRelationalOperation(baseGt);\n\n    /**\n     * Checks if `value` is greater than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n     *  `other`, else `false`.\n     * @see _.lte\n     * @example\n     *\n     * _.gte(3, 1);\n     * // => true\n     *\n     * _.gte(3, 3);\n     * // => true\n     *\n     * _.gte(1, 3);\n     * // => false\n     */\n    var gte = createRelationalOperation(function(value, other) {\n      return value >= other;\n    });\n\n    /**\n     * Checks if `value` is likely an `arguments` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArguments(function() { return arguments; }());\n     * // => true\n     *\n     * _.isArguments([1, 2, 3]);\n     * // => false\n     */\n    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n        !propertyIsEnumerable.call(value, 'callee');\n    };\n\n    /**\n     * Checks if `value` is classified as an `Array` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n     * @example\n     *\n     * _.isArray([1, 2, 3]);\n     * // => true\n     *\n     * _.isArray(document.body.children);\n     * // => false\n     *\n     * _.isArray('abc');\n     * // => false\n     *\n     * _.isArray(_.noop);\n     * // => false\n     */\n    var isArray = Array.isArray;\n\n    /**\n     * Checks if `value` is classified as an `ArrayBuffer` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     * @example\n     *\n     * _.isArrayBuffer(new ArrayBuffer(2));\n     * // => true\n     *\n     * _.isArrayBuffer(new Array(2));\n     * // => false\n     */\n    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n    /**\n     * Checks if `value` is array-like. A value is considered array-like if it's\n     * not a function and has a `value.length` that's an integer greater than or\n     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n     * @example\n     *\n     * _.isArrayLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLike(document.body.children);\n     * // => true\n     *\n     * _.isArrayLike('abc');\n     * // => true\n     *\n     * _.isArrayLike(_.noop);\n     * // => false\n     */\n    function isArrayLike(value) {\n      return value != null && isLength(value.length) && !isFunction(value);\n    }\n\n    /**\n     * This method is like `_.isArrayLike` except that it also checks if `value`\n     * is an object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array-like object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArrayLikeObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLikeObject(document.body.children);\n     * // => true\n     *\n     * _.isArrayLikeObject('abc');\n     * // => false\n     *\n     * _.isArrayLikeObject(_.noop);\n     * // => false\n     */\n    function isArrayLikeObject(value) {\n      return isObjectLike(value) && isArrayLike(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a boolean primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n     * @example\n     *\n     * _.isBoolean(false);\n     * // => true\n     *\n     * _.isBoolean(null);\n     * // => false\n     */\n    function isBoolean(value) {\n      return value === true || value === false ||\n        (isObjectLike(value) && baseGetTag(value) == boolTag);\n    }\n\n    /**\n     * Checks if `value` is a buffer.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n     * @example\n     *\n     * _.isBuffer(new Buffer(2));\n     * // => true\n     *\n     * _.isBuffer(new Uint8Array(2));\n     * // => false\n     */\n    var isBuffer = nativeIsBuffer || stubFalse;\n\n    /**\n     * Checks if `value` is classified as a `Date` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     * @example\n     *\n     * _.isDate(new Date);\n     * // => true\n     *\n     * _.isDate('Mon April 23 2012');\n     * // => false\n     */\n    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n    /**\n     * Checks if `value` is likely a DOM element.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n     * @example\n     *\n     * _.isElement(document.body);\n     * // => true\n     *\n     * _.isElement('<body>');\n     * // => false\n     */\n    function isElement(value) {\n      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n    }\n\n    /**\n     * Checks if `value` is an empty object, collection, map, or set.\n     *\n     * Objects are considered empty if they have no own enumerable string keyed\n     * properties.\n     *\n     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n     * jQuery-like collections are considered empty if they have a `length` of `0`.\n     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n     * @example\n     *\n     * _.isEmpty(null);\n     * // => true\n     *\n     * _.isEmpty(true);\n     * // => true\n     *\n     * _.isEmpty(1);\n     * // => true\n     *\n     * _.isEmpty([1, 2, 3]);\n     * // => false\n     *\n     * _.isEmpty({ 'a': 1 });\n     * // => false\n     */\n    function isEmpty(value) {\n      if (value == null) {\n        return true;\n      }\n      if (isArrayLike(value) &&\n          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n        return !value.length;\n      }\n      var tag = getTag(value);\n      if (tag == mapTag || tag == setTag) {\n        return !value.size;\n      }\n      if (isPrototype(value)) {\n        return !baseKeys(value).length;\n      }\n      for (var key in value) {\n        if (hasOwnProperty.call(value, key)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * Performs a deep comparison between two values to determine if they are\n     * equivalent.\n     *\n     * **Note:** This method supports comparing arrays, array buffers, booleans,\n     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n     * by their own, not inherited, enumerable properties. Functions and DOM\n     * nodes are compared by strict equality, i.e. `===`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.isEqual(object, other);\n     * // => true\n     *\n     * object === other;\n     * // => false\n     */\n    function isEqual(value, other) {\n      return baseIsEqual(value, other);\n    }\n\n    /**\n     * This method is like `_.isEqual` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with up to\n     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, othValue) {\n     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var array = ['hello', 'goodbye'];\n     * var other = ['hi', 'goodbye'];\n     *\n     * _.isEqualWith(array, other, customizer);\n     * // => true\n     */\n    function isEqualWith(value, other, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      var result = customizer ? customizer(value, other) : undefined;\n      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n    }\n\n    /**\n     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n     * `SyntaxError`, `TypeError`, or `URIError` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n     * @example\n     *\n     * _.isError(new Error);\n     * // => true\n     *\n     * _.isError(Error);\n     * // => false\n     */\n    function isError(value) {\n      if (!isObjectLike(value)) {\n        return false;\n      }\n      var tag = baseGetTag(value);\n      return tag == errorTag || tag == domExcTag ||\n        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n    }\n\n    /**\n     * Checks if `value` is a finite primitive number.\n     *\n     * **Note:** This method is based on\n     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n     * @example\n     *\n     * _.isFinite(3);\n     * // => true\n     *\n     * _.isFinite(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isFinite(Infinity);\n     * // => false\n     *\n     * _.isFinite('3');\n     * // => false\n     */\n    function isFinite(value) {\n      return typeof value == 'number' && nativeIsFinite(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Function` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n     * @example\n     *\n     * _.isFunction(_);\n     * // => true\n     *\n     * _.isFunction(/abc/);\n     * // => false\n     */\n    function isFunction(value) {\n      if (!isObject(value)) {\n        return false;\n      }\n      // The use of `Object#toString` avoids issues with the `typeof` operator\n      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n      var tag = baseGetTag(value);\n      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n    }\n\n    /**\n     * Checks if `value` is an integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n     * @example\n     *\n     * _.isInteger(3);\n     * // => true\n     *\n     * _.isInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isInteger(Infinity);\n     * // => false\n     *\n     * _.isInteger('3');\n     * // => false\n     */\n    function isInteger(value) {\n      return typeof value == 'number' && value == toInteger(value);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like length.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n     * @example\n     *\n     * _.isLength(3);\n     * // => true\n     *\n     * _.isLength(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isLength(Infinity);\n     * // => false\n     *\n     * _.isLength('3');\n     * // => false\n     */\n    function isLength(value) {\n      return typeof value == 'number' &&\n        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is the\n     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n     * @example\n     *\n     * _.isObject({});\n     * // => true\n     *\n     * _.isObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isObject(_.noop);\n     * // => true\n     *\n     * _.isObject(null);\n     * // => false\n     */\n    function isObject(value) {\n      var type = typeof value;\n      return value != null && (type == 'object' || type == 'function');\n    }\n\n    /**\n     * Checks if `value` is object-like. A value is object-like if it's not `null`\n     * and has a `typeof` result of \"object\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n     * @example\n     *\n     * _.isObjectLike({});\n     * // => true\n     *\n     * _.isObjectLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isObjectLike(_.noop);\n     * // => false\n     *\n     * _.isObjectLike(null);\n     * // => false\n     */\n    function isObjectLike(value) {\n      return value != null && typeof value == 'object';\n    }\n\n    /**\n     * Checks if `value` is classified as a `Map` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     * @example\n     *\n     * _.isMap(new Map);\n     * // => true\n     *\n     * _.isMap(new WeakMap);\n     * // => false\n     */\n    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n    /**\n     * Performs a partial deep comparison between `object` and `source` to\n     * determine if `object` contains equivalent property values.\n     *\n     * **Note:** This method is equivalent to `_.matches` when `source` is\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.isMatch(object, { 'b': 2 });\n     * // => true\n     *\n     * _.isMatch(object, { 'b': 1 });\n     * // => false\n     */\n    function isMatch(object, source) {\n      return object === source || baseIsMatch(object, source, getMatchData(source));\n    }\n\n    /**\n     * This method is like `_.isMatch` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with five\n     * arguments: (objValue, srcValue, index|key, object, source).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var object = { 'greeting': 'hello' };\n     * var source = { 'greeting': 'hi' };\n     *\n     * _.isMatchWith(object, source, customizer);\n     * // => true\n     */\n    function isMatchWith(object, source, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseIsMatch(object, source, getMatchData(source), customizer);\n    }\n\n    /**\n     * Checks if `value` is `NaN`.\n     *\n     * **Note:** This method is based on\n     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n     * `undefined` and other non-number values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n     * @example\n     *\n     * _.isNaN(NaN);\n     * // => true\n     *\n     * _.isNaN(new Number(NaN));\n     * // => true\n     *\n     * isNaN(undefined);\n     * // => true\n     *\n     * _.isNaN(undefined);\n     * // => false\n     */\n    function isNaN(value) {\n      // An `NaN` primitive is the only value that is not equal to itself.\n      // Perform the `toStringTag` check first to avoid errors with some\n      // ActiveX objects in IE.\n      return isNumber(value) && value != +value;\n    }\n\n    /**\n     * Checks if `value` is a pristine native function.\n     *\n     * **Note:** This method can't reliably detect native functions in the presence\n     * of the core-js package because core-js circumvents this kind of detection.\n     * Despite multiple requests, the core-js maintainer has made it clear: any\n     * attempt to fix the detection will be obstructed. As a result, we're left\n     * with little choice but to throw an error. Unfortunately, this also affects\n     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n     * which rely on core-js.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     * @example\n     *\n     * _.isNative(Array.prototype.push);\n     * // => true\n     *\n     * _.isNative(_);\n     * // => false\n     */\n    function isNative(value) {\n      if (isMaskable(value)) {\n        throw new Error(CORE_ERROR_TEXT);\n      }\n      return baseIsNative(value);\n    }\n\n    /**\n     * Checks if `value` is `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n     * @example\n     *\n     * _.isNull(null);\n     * // => true\n     *\n     * _.isNull(void 0);\n     * // => false\n     */\n    function isNull(value) {\n      return value === null;\n    }\n\n    /**\n     * Checks if `value` is `null` or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n     * @example\n     *\n     * _.isNil(null);\n     * // => true\n     *\n     * _.isNil(void 0);\n     * // => true\n     *\n     * _.isNil(NaN);\n     * // => false\n     */\n    function isNil(value) {\n      return value == null;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Number` primitive or object.\n     *\n     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n     * classified as numbers, use the `_.isFinite` method.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n     * @example\n     *\n     * _.isNumber(3);\n     * // => true\n     *\n     * _.isNumber(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isNumber(Infinity);\n     * // => true\n     *\n     * _.isNumber('3');\n     * // => false\n     */\n    function isNumber(value) {\n      return typeof value == 'number' ||\n        (isObjectLike(value) && baseGetTag(value) == numberTag);\n    }\n\n    /**\n     * Checks if `value` is a plain object, that is, an object created by the\n     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.8.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * _.isPlainObject(new Foo);\n     * // => false\n     *\n     * _.isPlainObject([1, 2, 3]);\n     * // => false\n     *\n     * _.isPlainObject({ 'x': 0, 'y': 0 });\n     * // => true\n     *\n     * _.isPlainObject(Object.create(null));\n     * // => true\n     */\n    function isPlainObject(value) {\n      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n        return false;\n      }\n      var proto = getPrototype(value);\n      if (proto === null) {\n        return true;\n      }\n      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n        funcToString.call(Ctor) == objectCtorString;\n    }\n\n    /**\n     * Checks if `value` is classified as a `RegExp` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     * @example\n     *\n     * _.isRegExp(/abc/);\n     * // => true\n     *\n     * _.isRegExp('/abc/');\n     * // => false\n     */\n    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n    /**\n     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n     * double precision number which isn't the result of a rounded unsafe integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n     * @example\n     *\n     * _.isSafeInteger(3);\n     * // => true\n     *\n     * _.isSafeInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isSafeInteger(Infinity);\n     * // => false\n     *\n     * _.isSafeInteger('3');\n     * // => false\n     */\n    function isSafeInteger(value) {\n      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Set` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     * @example\n     *\n     * _.isSet(new Set);\n     * // => true\n     *\n     * _.isSet(new WeakSet);\n     * // => false\n     */\n    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n    /**\n     * Checks if `value` is classified as a `String` primitive or object.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n     * @example\n     *\n     * _.isString('abc');\n     * // => true\n     *\n     * _.isString(1);\n     * // => false\n     */\n    function isString(value) {\n      return typeof value == 'string' ||\n        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Symbol` primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n     * @example\n     *\n     * _.isSymbol(Symbol.iterator);\n     * // => true\n     *\n     * _.isSymbol('abc');\n     * // => false\n     */\n    function isSymbol(value) {\n      return typeof value == 'symbol' ||\n        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a typed array.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     * @example\n     *\n     * _.isTypedArray(new Uint8Array);\n     * // => true\n     *\n     * _.isTypedArray([]);\n     * // => false\n     */\n    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n    /**\n     * Checks if `value` is `undefined`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n     * @example\n     *\n     * _.isUndefined(void 0);\n     * // => true\n     *\n     * _.isUndefined(null);\n     * // => false\n     */\n    function isUndefined(value) {\n      return value === undefined;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakMap` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n     * @example\n     *\n     * _.isWeakMap(new WeakMap);\n     * // => true\n     *\n     * _.isWeakMap(new Map);\n     * // => false\n     */\n    function isWeakMap(value) {\n      return isObjectLike(value) && getTag(value) == weakMapTag;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakSet` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n     * @example\n     *\n     * _.isWeakSet(new WeakSet);\n     * // => true\n     *\n     * _.isWeakSet(new Set);\n     * // => false\n     */\n    function isWeakSet(value) {\n      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n    }\n\n    /**\n     * Checks if `value` is less than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     * @see _.gt\n     * @example\n     *\n     * _.lt(1, 3);\n     * // => true\n     *\n     * _.lt(3, 3);\n     * // => false\n     *\n     * _.lt(3, 1);\n     * // => false\n     */\n    var lt = createRelationalOperation(baseLt);\n\n    /**\n     * Checks if `value` is less than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than or equal to\n     *  `other`, else `false`.\n     * @see _.gte\n     * @example\n     *\n     * _.lte(1, 3);\n     * // => true\n     *\n     * _.lte(3, 3);\n     * // => true\n     *\n     * _.lte(3, 1);\n     * // => false\n     */\n    var lte = createRelationalOperation(function(value, other) {\n      return value <= other;\n    });\n\n    /**\n     * Converts `value` to an array.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the converted array.\n     * @example\n     *\n     * _.toArray({ 'a': 1, 'b': 2 });\n     * // => [1, 2]\n     *\n     * _.toArray('abc');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toArray(1);\n     * // => []\n     *\n     * _.toArray(null);\n     * // => []\n     */\n    function toArray(value) {\n      if (!value) {\n        return [];\n      }\n      if (isArrayLike(value)) {\n        return isString(value) ? stringToArray(value) : copyArray(value);\n      }\n      if (symIterator && value[symIterator]) {\n        return iteratorToArray(value[symIterator]());\n      }\n      var tag = getTag(value),\n          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n      return func(value);\n    }\n\n    /**\n     * Converts `value` to a finite number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.12.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted number.\n     * @example\n     *\n     * _.toFinite(3.2);\n     * // => 3.2\n     *\n     * _.toFinite(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toFinite(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toFinite('3.2');\n     * // => 3.2\n     */\n    function toFinite(value) {\n      if (!value) {\n        return value === 0 ? value : 0;\n      }\n      value = toNumber(value);\n      if (value === INFINITY || value === -INFINITY) {\n        var sign = (value < 0 ? -1 : 1);\n        return sign * MAX_INTEGER;\n      }\n      return value === value ? value : 0;\n    }\n\n    /**\n     * Converts `value` to an integer.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toInteger(3.2);\n     * // => 3\n     *\n     * _.toInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toInteger(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toInteger('3.2');\n     * // => 3\n     */\n    function toInteger(value) {\n      var result = toFinite(value),\n          remainder = result % 1;\n\n      return result === result ? (remainder ? result - remainder : result) : 0;\n    }\n\n    /**\n     * Converts `value` to an integer suitable for use as the length of an\n     * array-like object.\n     *\n     * **Note:** This method is based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toLength(3.2);\n     * // => 3\n     *\n     * _.toLength(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toLength(Infinity);\n     * // => 4294967295\n     *\n     * _.toLength('3.2');\n     * // => 3\n     */\n    function toLength(value) {\n      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n    }\n\n    /**\n     * Converts `value` to a number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     * @example\n     *\n     * _.toNumber(3.2);\n     * // => 3.2\n     *\n     * _.toNumber(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toNumber(Infinity);\n     * // => Infinity\n     *\n     * _.toNumber('3.2');\n     * // => 3.2\n     */\n    function toNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      if (isObject(value)) {\n        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n        value = isObject(other) ? (other + '') : other;\n      }\n      if (typeof value != 'string') {\n        return value === 0 ? value : +value;\n      }\n      value = value.replace(reTrim, '');\n      var isBinary = reIsBinary.test(value);\n      return (isBinary || reIsOctal.test(value))\n        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n        : (reIsBadHex.test(value) ? NAN : +value);\n    }\n\n    /**\n     * Converts `value` to a plain object flattening inherited enumerable string\n     * keyed properties of `value` to own properties of the plain object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Object} Returns the converted plain object.\n     * @example\n     *\n     * function Foo() {\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.assign({ 'a': 1 }, new Foo);\n     * // => { 'a': 1, 'b': 2 }\n     *\n     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n     * // => { 'a': 1, 'b': 2, 'c': 3 }\n     */\n    function toPlainObject(value) {\n      return copyObject(value, keysIn(value));\n    }\n\n    /**\n     * Converts `value` to a safe integer. A safe integer can be compared and\n     * represented correctly.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toSafeInteger(3.2);\n     * // => 3\n     *\n     * _.toSafeInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toSafeInteger(Infinity);\n     * // => 9007199254740991\n     *\n     * _.toSafeInteger('3.2');\n     * // => 3\n     */\n    function toSafeInteger(value) {\n      return value\n        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n        : (value === 0 ? value : 0);\n    }\n\n    /**\n     * Converts `value` to a string. An empty string is returned for `null`\n     * and `undefined` values. The sign of `-0` is preserved.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.toString(null);\n     * // => ''\n     *\n     * _.toString(-0);\n     * // => '-0'\n     *\n     * _.toString([1, 2, 3]);\n     * // => '1,2,3'\n     */\n    function toString(value) {\n      return value == null ? '' : baseToString(value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Assigns own enumerable string keyed properties of source objects to the\n     * destination object. Source objects are applied from left to right.\n     * Subsequent sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object` and is loosely based on\n     * [`Object.assign`](https://mdn.io/Object/assign).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assignIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assign({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var assign = createAssigner(function(object, source) {\n      if (isPrototype(source) || isArrayLike(source)) {\n        copyObject(source, keys(source), object);\n        return;\n      }\n      for (var key in source) {\n        if (hasOwnProperty.call(source, key)) {\n          assignValue(object, key, source[key]);\n        }\n      }\n    });\n\n    /**\n     * This method is like `_.assign` except that it iterates over own and\n     * inherited source properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extend\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assign\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n     */\n    var assignIn = createAssigner(function(object, source) {\n      copyObject(source, keysIn(source), object);\n    });\n\n    /**\n     * This method is like `_.assignIn` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extendWith\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignInWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keysIn(source), object, customizer);\n    });\n\n    /**\n     * This method is like `_.assign` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignInWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keys(source), object, customizer);\n    });\n\n    /**\n     * Creates an array of values corresponding to `paths` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Array} Returns the picked values.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _.at(object, ['a[0].b.c', 'a[1]']);\n     * // => [3, 4]\n     */\n    var at = flatRest(baseAt);\n\n    /**\n     * Creates an object that inherits from the `prototype` object. If a\n     * `properties` object is given, its own enumerable string keyed properties\n     * are assigned to the created object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Object\n     * @param {Object} prototype The object to inherit from.\n     * @param {Object} [properties] The properties to assign to the object.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * function Shape() {\n     *   this.x = 0;\n     *   this.y = 0;\n     * }\n     *\n     * function Circle() {\n     *   Shape.call(this);\n     * }\n     *\n     * Circle.prototype = _.create(Shape.prototype, {\n     *   'constructor': Circle\n     * });\n     *\n     * var circle = new Circle;\n     * circle instanceof Circle;\n     * // => true\n     *\n     * circle instanceof Shape;\n     * // => true\n     */\n    function create(prototype, properties) {\n      var result = baseCreate(prototype);\n      return properties == null ? result : baseAssign(result, properties);\n    }\n\n    /**\n     * Assigns own and inherited enumerable string keyed properties of source\n     * objects to the destination object for all destination properties that\n     * resolve to `undefined`. Source objects are applied from left to right.\n     * Once a property is set, additional values of the same property are ignored.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaultsDeep\n     * @example\n     *\n     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var defaults = baseRest(function(args) {\n      args.push(undefined, customDefaultsAssignIn);\n      return apply(assignInWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.defaults` except that it recursively assigns\n     * default properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaults\n     * @example\n     *\n     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n     * // => { 'a': { 'b': 2, 'c': 3 } }\n     */\n    var defaultsDeep = baseRest(function(args) {\n      args.push(undefined, customDefaultsMerge);\n      return apply(mergeWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.find` except that it returns the key of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findKey(users, function(o) { return o.age < 40; });\n     * // => 'barney' (iteration order is not guaranteed)\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findKey(users, { 'age': 1, 'active': true });\n     * // => 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findKey(users, 'active');\n     * // => 'barney'\n     */\n    function findKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n    }\n\n    /**\n     * This method is like `_.findKey` except that it iterates over elements of\n     * a collection in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findLastKey(users, function(o) { return o.age < 40; });\n     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastKey(users, { 'age': 36, 'active': true });\n     * // => 'barney'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastKey(users, 'active');\n     * // => 'pebbles'\n     */\n    function findLastKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n    }\n\n    /**\n     * Iterates over own and inherited enumerable string keyed properties of an\n     * object and invokes `iteratee` for each property. The iteratee is invoked\n     * with three arguments: (value, key, object). Iteratee functions may exit\n     * iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forInRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forIn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n     */\n    function forIn(object, iteratee) {\n      return object == null\n        ? object\n        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * This method is like `_.forIn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forInRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n     */\n    function forInRight(object, iteratee) {\n      return object == null\n        ? object\n        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * Iterates over own enumerable string keyed properties of an object and\n     * invokes `iteratee` for each property. The iteratee is invoked with three\n     * arguments: (value, key, object). Iteratee functions may exit iteration\n     * early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwnRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forOwn(object, iteratee) {\n      return object && baseForOwn(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forOwn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwnRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n     */\n    function forOwnRight(object, iteratee) {\n      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an array of function property names from own enumerable properties\n     * of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functionsIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functions(new Foo);\n     * // => ['a', 'b']\n     */\n    function functions(object) {\n      return object == null ? [] : baseFunctions(object, keys(object));\n    }\n\n    /**\n     * Creates an array of function property names from own and inherited\n     * enumerable properties of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functions\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functionsIn(new Foo);\n     * // => ['a', 'b', 'c']\n     */\n    function functionsIn(object) {\n      return object == null ? [] : baseFunctions(object, keysIn(object));\n    }\n\n    /**\n     * Gets the value at `path` of `object`. If the resolved value is\n     * `undefined`, the `defaultValue` is returned in its place.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.get(object, 'a[0].b.c');\n     * // => 3\n     *\n     * _.get(object, ['a', '0', 'b', 'c']);\n     * // => 3\n     *\n     * _.get(object, 'a.b.c', 'default');\n     * // => 'default'\n     */\n    function get(object, path, defaultValue) {\n      var result = object == null ? undefined : baseGet(object, path);\n      return result === undefined ? defaultValue : result;\n    }\n\n    /**\n     * Checks if `path` is a direct property of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = { 'a': { 'b': 2 } };\n     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.has(object, 'a');\n     * // => true\n     *\n     * _.has(object, 'a.b');\n     * // => true\n     *\n     * _.has(object, ['a', 'b']);\n     * // => true\n     *\n     * _.has(other, 'a');\n     * // => false\n     */\n    function has(object, path) {\n      return object != null && hasPath(object, path, baseHas);\n    }\n\n    /**\n     * Checks if `path` is a direct or inherited property of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.hasIn(object, 'a');\n     * // => true\n     *\n     * _.hasIn(object, 'a.b');\n     * // => true\n     *\n     * _.hasIn(object, ['a', 'b']);\n     * // => true\n     *\n     * _.hasIn(object, 'b');\n     * // => false\n     */\n    function hasIn(object, path) {\n      return object != null && hasPath(object, path, baseHasIn);\n    }\n\n    /**\n     * Creates an object composed of the inverted keys and values of `object`.\n     * If `object` contains duplicate values, subsequent values overwrite\n     * property assignments of previous values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invert(object);\n     * // => { '1': 'c', '2': 'b' }\n     */\n    var invert = createInverter(function(result, value, key) {\n      result[value] = key;\n    }, constant(identity));\n\n    /**\n     * This method is like `_.invert` except that the inverted object is generated\n     * from the results of running each element of `object` thru `iteratee`. The\n     * corresponding inverted value of each inverted key is an array of keys\n     * responsible for generating the inverted value. The iteratee is invoked\n     * with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invertBy(object);\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     *\n     * _.invertBy(object, function(value) {\n     *   return 'group' + value;\n     * });\n     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n     */\n    var invertBy = createInverter(function(result, value, key) {\n      if (hasOwnProperty.call(result, value)) {\n        result[value].push(key);\n      } else {\n        result[value] = [key];\n      }\n    }, getIteratee);\n\n    /**\n     * Invokes the method at `path` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n     *\n     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n     * // => [2, 3]\n     */\n    var invoke = baseRest(baseInvoke);\n\n    /**\n     * Creates an array of the own enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects. See the\n     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * for more details.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keys(new Foo);\n     * // => ['a', 'b'] (iteration order is not guaranteed)\n     *\n     * _.keys('hi');\n     * // => ['0', '1']\n     */\n    function keys(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keysIn(new Foo);\n     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n     */\n    function keysIn(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n    }\n\n    /**\n     * The opposite of `_.mapValues`; this method creates an object with the\n     * same values as `object` and keys generated by running each own enumerable\n     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n     * with three arguments: (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapValues\n     * @example\n     *\n     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   return key + value;\n     * });\n     * // => { 'a1': 1, 'b2': 2 }\n     */\n    function mapKeys(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, iteratee(value, key, object), value);\n      });\n      return result;\n    }\n\n    /**\n     * Creates an object with the same keys as `object` and values generated\n     * by running each own enumerable string keyed property of `object` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapKeys\n     * @example\n     *\n     * var users = {\n     *   'fred':    { 'user': 'fred',    'age': 40 },\n     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n     * };\n     *\n     * _.mapValues(users, function(o) { return o.age; });\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.mapValues(users, 'age');\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     */\n    function mapValues(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, key, iteratee(value, key, object));\n      });\n      return result;\n    }\n\n    /**\n     * This method is like `_.assign` except that it recursively merges own and\n     * inherited enumerable string keyed properties of source objects into the\n     * destination object. Source properties that resolve to `undefined` are\n     * skipped if a destination value exists. Array and plain object properties\n     * are merged recursively. Other objects and value types are overridden by\n     * assignment. Source objects are applied from left to right. Subsequent\n     * sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {\n     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n     * };\n     *\n     * var other = {\n     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n     * };\n     *\n     * _.merge(object, other);\n     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n     */\n    var merge = createAssigner(function(object, source, srcIndex) {\n      baseMerge(object, source, srcIndex);\n    });\n\n    /**\n     * This method is like `_.merge` except that it accepts `customizer` which\n     * is invoked to produce the merged values of the destination and source\n     * properties. If `customizer` returns `undefined`, merging is handled by the\n     * method instead. The `customizer` is invoked with six arguments:\n     * (objValue, srcValue, key, object, source, stack).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} customizer The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (_.isArray(objValue)) {\n     *     return objValue.concat(srcValue);\n     *   }\n     * }\n     *\n     * var object = { 'a': [1], 'b': [2] };\n     * var other = { 'a': [3], 'b': [4] };\n     *\n     * _.mergeWith(object, other, customizer);\n     * // => { 'a': [1, 3], 'b': [2, 4] }\n     */\n    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n      baseMerge(object, source, srcIndex, customizer);\n    });\n\n    /**\n     * The opposite of `_.pick`; this method creates an object composed of the\n     * own and inherited enumerable property paths of `object` that are not omitted.\n     *\n     * **Note:** This method is considerably slower than `_.pick`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to omit.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omit(object, ['a', 'c']);\n     * // => { 'b': '2' }\n     */\n    var omit = flatRest(function(object, paths) {\n      var result = {};\n      if (object == null) {\n        return result;\n      }\n      var isDeep = false;\n      paths = arrayMap(paths, function(path) {\n        path = castPath(path, object);\n        isDeep || (isDeep = path.length > 1);\n        return path;\n      });\n      copyObject(object, getAllKeysIn(object), result);\n      if (isDeep) {\n        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n      }\n      var length = paths.length;\n      while (length--) {\n        baseUnset(result, paths[length]);\n      }\n      return result;\n    });\n\n    /**\n     * The opposite of `_.pickBy`; this method creates an object composed of\n     * the own and inherited enumerable string keyed properties of `object` that\n     * `predicate` doesn't return truthy for. The predicate is invoked with two\n     * arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omitBy(object, _.isNumber);\n     * // => { 'b': '2' }\n     */\n    function omitBy(object, predicate) {\n      return pickBy(object, negate(getIteratee(predicate)));\n    }\n\n    /**\n     * Creates an object composed of the picked `object` properties.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pick(object, ['a', 'c']);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var pick = flatRest(function(object, paths) {\n      return object == null ? {} : basePick(object, paths);\n    });\n\n    /**\n     * Creates an object composed of the `object` properties `predicate` returns\n     * truthy for. The predicate is invoked with two arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pickBy(object, _.isNumber);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    function pickBy(object, predicate) {\n      if (object == null) {\n        return {};\n      }\n      var props = arrayMap(getAllKeysIn(object), function(prop) {\n        return [prop];\n      });\n      predicate = getIteratee(predicate);\n      return basePickBy(object, props, function(value, path) {\n        return predicate(value, path[0]);\n      });\n    }\n\n    /**\n     * This method is like `_.get` except that if the resolved value is a\n     * function it's invoked with the `this` binding of its parent object and\n     * its result is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to resolve.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n     *\n     * _.result(object, 'a[0].b.c1');\n     * // => 3\n     *\n     * _.result(object, 'a[0].b.c2');\n     * // => 4\n     *\n     * _.result(object, 'a[0].b.c3', 'default');\n     * // => 'default'\n     *\n     * _.result(object, 'a[0].b.c3', _.constant('default'));\n     * // => 'default'\n     */\n    function result(object, path, defaultValue) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length;\n\n      // Ensure the loop is entered when path is empty.\n      if (!length) {\n        length = 1;\n        object = undefined;\n      }\n      while (++index < length) {\n        var value = object == null ? undefined : object[toKey(path[index])];\n        if (value === undefined) {\n          index = length;\n          value = defaultValue;\n        }\n        object = isFunction(value) ? value.call(object) : value;\n      }\n      return object;\n    }\n\n    /**\n     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n     * it's created. Arrays are created for missing index properties while objects\n     * are created for all other missing properties. Use `_.setWith` to customize\n     * `path` creation.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.set(object, 'a[0].b.c', 4);\n     * console.log(object.a[0].b.c);\n     * // => 4\n     *\n     * _.set(object, ['x', '0', 'y', 'z'], 5);\n     * console.log(object.x[0].y.z);\n     * // => 5\n     */\n    function set(object, path, value) {\n      return object == null ? object : baseSet(object, path, value);\n    }\n\n    /**\n     * This method is like `_.set` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.setWith(object, '[0][1]', 'a', Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function setWith(object, path, value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseSet(object, path, value, customizer);\n    }\n\n    /**\n     * Creates an array of own enumerable string keyed-value pairs for `object`\n     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n     * entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entries\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairs(new Foo);\n     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n     */\n    var toPairs = createToPairs(keys);\n\n    /**\n     * Creates an array of own and inherited enumerable string keyed-value pairs\n     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n     * or set, its entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entriesIn\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairsIn(new Foo);\n     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n     */\n    var toPairsIn = createToPairs(keysIn);\n\n    /**\n     * An alternative to `_.reduce`; this method transforms `object` to a new\n     * `accumulator` object which is the result of running each of its own\n     * enumerable string keyed properties thru `iteratee`, with each invocation\n     * potentially mutating the `accumulator` object. If `accumulator` is not\n     * provided, a new object with the same `[[Prototype]]` will be used. The\n     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The custom accumulator value.\n     * @returns {*} Returns the accumulated value.\n     * @example\n     *\n     * _.transform([2, 3, 4], function(result, n) {\n     *   result.push(n *= n);\n     *   return n % 2 == 0;\n     * }, []);\n     * // => [4, 9]\n     *\n     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     */\n    function transform(object, iteratee, accumulator) {\n      var isArr = isArray(object),\n          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n      iteratee = getIteratee(iteratee, 4);\n      if (accumulator == null) {\n        var Ctor = object && object.constructor;\n        if (isArrLike) {\n          accumulator = isArr ? new Ctor : [];\n        }\n        else if (isObject(object)) {\n          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n        }\n        else {\n          accumulator = {};\n        }\n      }\n      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n        return iteratee(accumulator, value, index, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * Removes the property at `path` of `object`.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n     * _.unset(object, 'a[0].b.c');\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     *\n     * _.unset(object, ['a', '0', 'b', 'c']);\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     */\n    function unset(object, path) {\n      return object == null ? true : baseUnset(object, path);\n    }\n\n    /**\n     * This method is like `_.set` except that accepts `updater` to produce the\n     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n     * is invoked with one argument: (value).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n     * console.log(object.a[0].b.c);\n     * // => 9\n     *\n     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n     * console.log(object.x[0].y.z);\n     * // => 0\n     */\n    function update(object, path, updater) {\n      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n    }\n\n    /**\n     * This method is like `_.update` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function updateWith(object, path, updater, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n    }\n\n    /**\n     * Creates an array of the own enumerable string keyed property values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.values(new Foo);\n     * // => [1, 2] (iteration order is not guaranteed)\n     *\n     * _.values('hi');\n     * // => ['h', 'i']\n     */\n    function values(object) {\n      return object == null ? [] : baseValues(object, keys(object));\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable string keyed property\n     * values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.valuesIn(new Foo);\n     * // => [1, 2, 3] (iteration order is not guaranteed)\n     */\n    function valuesIn(object) {\n      return object == null ? [] : baseValues(object, keysIn(object));\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Number\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     * @example\n     *\n     * _.clamp(-10, -5, 5);\n     * // => -5\n     *\n     * _.clamp(10, -5, 5);\n     * // => 5\n     */\n    function clamp(number, lower, upper) {\n      if (upper === undefined) {\n        upper = lower;\n        lower = undefined;\n      }\n      if (upper !== undefined) {\n        upper = toNumber(upper);\n        upper = upper === upper ? upper : 0;\n      }\n      if (lower !== undefined) {\n        lower = toNumber(lower);\n        lower = lower === lower ? lower : 0;\n      }\n      return baseClamp(toNumber(number), lower, upper);\n    }\n\n    /**\n     * Checks if `n` is between `start` and up to, but not including, `end`. If\n     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n     * If `start` is greater than `end` the params are swapped to support\n     * negative ranges.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.3.0\n     * @category Number\n     * @param {number} number The number to check.\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     * @see _.range, _.rangeRight\n     * @example\n     *\n     * _.inRange(3, 2, 4);\n     * // => true\n     *\n     * _.inRange(4, 8);\n     * // => true\n     *\n     * _.inRange(4, 2);\n     * // => false\n     *\n     * _.inRange(2, 2);\n     * // => false\n     *\n     * _.inRange(1.2, 2);\n     * // => true\n     *\n     * _.inRange(5.2, 4);\n     * // => false\n     *\n     * _.inRange(-3, -2, -6);\n     * // => true\n     */\n    function inRange(number, start, end) {\n      start = toFinite(start);\n      if (end === undefined) {\n        end = start;\n        start = 0;\n      } else {\n        end = toFinite(end);\n      }\n      number = toNumber(number);\n      return baseInRange(number, start, end);\n    }\n\n    /**\n     * Produces a random number between the inclusive `lower` and `upper` bounds.\n     * If only one argument is provided a number between `0` and the given number\n     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n     * floats, a floating-point number is returned instead of an integer.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Number\n     * @param {number} [lower=0] The lower bound.\n     * @param {number} [upper=1] The upper bound.\n     * @param {boolean} [floating] Specify returning a floating-point number.\n     * @returns {number} Returns the random number.\n     * @example\n     *\n     * _.random(0, 5);\n     * // => an integer between 0 and 5\n     *\n     * _.random(5);\n     * // => also an integer between 0 and 5\n     *\n     * _.random(5, true);\n     * // => a floating-point number between 0 and 5\n     *\n     * _.random(1.2, 5.2);\n     * // => a floating-point number between 1.2 and 5.2\n     */\n    function random(lower, upper, floating) {\n      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n        upper = floating = undefined;\n      }\n      if (floating === undefined) {\n        if (typeof upper == 'boolean') {\n          floating = upper;\n          upper = undefined;\n        }\n        else if (typeof lower == 'boolean') {\n          floating = lower;\n          lower = undefined;\n        }\n      }\n      if (lower === undefined && upper === undefined) {\n        lower = 0;\n        upper = 1;\n      }\n      else {\n        lower = toFinite(lower);\n        if (upper === undefined) {\n          upper = lower;\n          lower = 0;\n        } else {\n          upper = toFinite(upper);\n        }\n      }\n      if (lower > upper) {\n        var temp = lower;\n        lower = upper;\n        upper = temp;\n      }\n      if (floating || lower % 1 || upper % 1) {\n        var rand = nativeRandom();\n        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n      }\n      return baseRandom(lower, upper);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the camel cased string.\n     * @example\n     *\n     * _.camelCase('Foo Bar');\n     * // => 'fooBar'\n     *\n     * _.camelCase('--foo-bar--');\n     * // => 'fooBar'\n     *\n     * _.camelCase('__FOO_BAR__');\n     * // => 'fooBar'\n     */\n    var camelCase = createCompounder(function(result, word, index) {\n      word = word.toLowerCase();\n      return result + (index ? capitalize(word) : word);\n    });\n\n    /**\n     * Converts the first character of `string` to upper case and the remaining\n     * to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to capitalize.\n     * @returns {string} Returns the capitalized string.\n     * @example\n     *\n     * _.capitalize('FRED');\n     * // => 'Fred'\n     */\n    function capitalize(string) {\n      return upperFirst(toString(string).toLowerCase());\n    }\n\n    /**\n     * Deburrs `string` by converting\n     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n     * letters to basic Latin letters and removing\n     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to deburr.\n     * @returns {string} Returns the deburred string.\n     * @example\n     *\n     * _.deburr('déjà vu');\n     * // => 'deja vu'\n     */\n    function deburr(string) {\n      string = toString(string);\n      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n    }\n\n    /**\n     * Checks if `string` ends with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=string.length] The position to search up to.\n     * @returns {boolean} Returns `true` if `string` ends with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.endsWith('abc', 'c');\n     * // => true\n     *\n     * _.endsWith('abc', 'b');\n     * // => false\n     *\n     * _.endsWith('abc', 'b', 2);\n     * // => true\n     */\n    function endsWith(string, target, position) {\n      string = toString(string);\n      target = baseToString(target);\n\n      var length = string.length;\n      position = position === undefined\n        ? length\n        : baseClamp(toInteger(position), 0, length);\n\n      var end = position;\n      position -= target.length;\n      return position >= 0 && string.slice(position, end) == target;\n    }\n\n    /**\n     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n     * corresponding HTML entities.\n     *\n     * **Note:** No other characters are escaped. To escape additional\n     * characters use a third-party library like [_he_](https://mths.be/he).\n     *\n     * Though the \">\" character is escaped for symmetry, characters like\n     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n     * unless they're part of a tag or unquoted attribute value. See\n     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n     * (under \"semi-related fun fact\") for more details.\n     *\n     * When working with HTML you should always\n     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n     * XSS vectors.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escape('fred, barney, & pebbles');\n     * // => 'fred, barney, &amp; pebbles'\n     */\n    function escape(string) {\n      string = toString(string);\n      return (string && reHasUnescapedHtml.test(string))\n        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escapeRegExp('[lodash](https://lodash.com/)');\n     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n     */\n    function escapeRegExp(string) {\n      string = toString(string);\n      return (string && reHasRegExpChar.test(string))\n        ? string.replace(reRegExpChar, '\\\\$&')\n        : string;\n    }\n\n    /**\n     * Converts `string` to\n     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the kebab cased string.\n     * @example\n     *\n     * _.kebabCase('Foo Bar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('fooBar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('__FOO_BAR__');\n     * // => 'foo-bar'\n     */\n    var kebabCase = createCompounder(function(result, word, index) {\n      return result + (index ? '-' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts `string`, as space separated words, to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.lowerCase('--Foo-Bar--');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('fooBar');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('__FOO_BAR__');\n     * // => 'foo bar'\n     */\n    var lowerCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts the first character of `string` to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.lowerFirst('Fred');\n     * // => 'fred'\n     *\n     * _.lowerFirst('FRED');\n     * // => 'fRED'\n     */\n    var lowerFirst = createCaseFirst('toLowerCase');\n\n    /**\n     * Pads `string` on the left and right sides if it's shorter than `length`.\n     * Padding characters are truncated if they can't be evenly divided by `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.pad('abc', 8);\n     * // => '  abc   '\n     *\n     * _.pad('abc', 8, '_-');\n     * // => '_-abc_-_'\n     *\n     * _.pad('abc', 3);\n     * // => 'abc'\n     */\n    function pad(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      if (!length || strLength >= length) {\n        return string;\n      }\n      var mid = (length - strLength) / 2;\n      return (\n        createPadding(nativeFloor(mid), chars) +\n        string +\n        createPadding(nativeCeil(mid), chars)\n      );\n    }\n\n    /**\n     * Pads `string` on the right side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padEnd('abc', 6);\n     * // => 'abc   '\n     *\n     * _.padEnd('abc', 6, '_-');\n     * // => 'abc_-_'\n     *\n     * _.padEnd('abc', 3);\n     * // => 'abc'\n     */\n    function padEnd(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (string + createPadding(length - strLength, chars))\n        : string;\n    }\n\n    /**\n     * Pads `string` on the left side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padStart('abc', 6);\n     * // => '   abc'\n     *\n     * _.padStart('abc', 6, '_-');\n     * // => '_-_abc'\n     *\n     * _.padStart('abc', 3);\n     * // => 'abc'\n     */\n    function padStart(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (createPadding(length - strLength, chars) + string)\n        : string;\n    }\n\n    /**\n     * Converts `string` to an integer of the specified radix. If `radix` is\n     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n     * hexadecimal, in which case a `radix` of `16` is used.\n     *\n     * **Note:** This method aligns with the\n     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category String\n     * @param {string} string The string to convert.\n     * @param {number} [radix=10] The radix to interpret `value` by.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.parseInt('08');\n     * // => 8\n     *\n     * _.map(['6', '08', '10'], _.parseInt);\n     * // => [6, 8, 10]\n     */\n    function parseInt(string, radix, guard) {\n      if (guard || radix == null) {\n        radix = 0;\n      } else if (radix) {\n        radix = +radix;\n      }\n      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n    }\n\n    /**\n     * Repeats the given string `n` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to repeat.\n     * @param {number} [n=1] The number of times to repeat the string.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the repeated string.\n     * @example\n     *\n     * _.repeat('*', 3);\n     * // => '***'\n     *\n     * _.repeat('abc', 2);\n     * // => 'abcabc'\n     *\n     * _.repeat('abc', 0);\n     * // => ''\n     */\n    function repeat(string, n, guard) {\n      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      return baseRepeat(toString(string), n);\n    }\n\n    /**\n     * Replaces matches for `pattern` in `string` with `replacement`.\n     *\n     * **Note:** This method is based on\n     * [`String#replace`](https://mdn.io/String/replace).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to modify.\n     * @param {RegExp|string} pattern The pattern to replace.\n     * @param {Function|string} replacement The match replacement.\n     * @returns {string} Returns the modified string.\n     * @example\n     *\n     * _.replace('Hi Fred', 'Fred', 'Barney');\n     * // => 'Hi Barney'\n     */\n    function replace() {\n      var args = arguments,\n          string = toString(args[0]);\n\n      return args.length < 3 ? string : string.replace(args[1], args[2]);\n    }\n\n    /**\n     * Converts `string` to\n     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the snake cased string.\n     * @example\n     *\n     * _.snakeCase('Foo Bar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('fooBar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('--FOO-BAR--');\n     * // => 'foo_bar'\n     */\n    var snakeCase = createCompounder(function(result, word, index) {\n      return result + (index ? '_' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Splits `string` by `separator`.\n     *\n     * **Note:** This method is based on\n     * [`String#split`](https://mdn.io/String/split).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to split.\n     * @param {RegExp|string} separator The separator pattern to split by.\n     * @param {number} [limit] The length to truncate results to.\n     * @returns {Array} Returns the string segments.\n     * @example\n     *\n     * _.split('a-b-c', '-', 2);\n     * // => ['a', 'b']\n     */\n    function split(string, separator, limit) {\n      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n        separator = limit = undefined;\n      }\n      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n      if (!limit) {\n        return [];\n      }\n      string = toString(string);\n      if (string && (\n            typeof separator == 'string' ||\n            (separator != null && !isRegExp(separator))\n          )) {\n        separator = baseToString(separator);\n        if (!separator && hasUnicode(string)) {\n          return castSlice(stringToArray(string), 0, limit);\n        }\n      }\n      return string.split(separator, limit);\n    }\n\n    /**\n     * Converts `string` to\n     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.1.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the start cased string.\n     * @example\n     *\n     * _.startCase('--foo-bar--');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('fooBar');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('__FOO_BAR__');\n     * // => 'FOO BAR'\n     */\n    var startCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + upperFirst(word);\n    });\n\n    /**\n     * Checks if `string` starts with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=0] The position to search from.\n     * @returns {boolean} Returns `true` if `string` starts with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.startsWith('abc', 'a');\n     * // => true\n     *\n     * _.startsWith('abc', 'b');\n     * // => false\n     *\n     * _.startsWith('abc', 'b', 1);\n     * // => true\n     */\n    function startsWith(string, target, position) {\n      string = toString(string);\n      position = position == null\n        ? 0\n        : baseClamp(toInteger(position), 0, string.length);\n\n      target = baseToString(target);\n      return string.slice(position, position + target.length) == target;\n    }\n\n    /**\n     * Creates a compiled template function that can interpolate data properties\n     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n     * properties may be accessed as free variables in the template. If a setting\n     * object is given, it takes precedence over `_.templateSettings` values.\n     *\n     * **Note:** In the development build `_.template` utilizes\n     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n     * for easier debugging.\n     *\n     * For more information on precompiling templates see\n     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n     *\n     * For more information on Chrome extension sandboxes see\n     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The template string.\n     * @param {Object} [options={}] The options object.\n     * @param {RegExp} [options.escape=_.templateSettings.escape]\n     *  The HTML \"escape\" delimiter.\n     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n     *  The \"evaluate\" delimiter.\n     * @param {Object} [options.imports=_.templateSettings.imports]\n     *  An object to import into the template as free variables.\n     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n     *  The \"interpolate\" delimiter.\n     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n     *  The sourceURL of the compiled template.\n     * @param {string} [options.variable='obj']\n     *  The data object variable name.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the compiled template function.\n     * @example\n     *\n     * // Use the \"interpolate\" delimiter to create a compiled template.\n     * var compiled = _.template('hello <%= user %>!');\n     * compiled({ 'user': 'fred' });\n     * // => 'hello fred!'\n     *\n     * // Use the HTML \"escape\" delimiter to escape data property values.\n     * var compiled = _.template('<b><%- value %></b>');\n     * compiled({ 'value': '<script>' });\n     * // => '<b>&lt;script&gt;</b>'\n     *\n     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the internal `print` function in \"evaluate\" delimiters.\n     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n     * compiled({ 'user': 'barney' });\n     * // => 'hello barney!'\n     *\n     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n     * // Disable support by replacing the \"interpolate\" delimiter.\n     * var compiled = _.template('hello ${ user }!');\n     * compiled({ 'user': 'pebbles' });\n     * // => 'hello pebbles!'\n     *\n     * // Use backslashes to treat delimiters as plain text.\n     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n     * compiled({ 'value': 'ignored' });\n     * // => '<%- value %>'\n     *\n     * // Use the `imports` option to import `jQuery` as `jq`.\n     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n     * compiled(data);\n     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n     *\n     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n     * compiled.source;\n     * // => function(data) {\n     * //   var __t, __p = '';\n     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n     * //   return __p;\n     * // }\n     *\n     * // Use custom template delimiters.\n     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n     * var compiled = _.template('hello {{ user }}!');\n     * compiled({ 'user': 'mustache' });\n     * // => 'hello mustache!'\n     *\n     * // Use the `source` property to inline compiled templates for meaningful\n     * // line numbers in error messages and stack traces.\n     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n     *   var JST = {\\\n     *     \"main\": ' + _.template(mainText).source + '\\\n     *   };\\\n     * ');\n     */\n    function template(string, options, guard) {\n      // Based on John Resig's `tmpl` implementation\n      // (http://ejohn.org/blog/javascript-micro-templating/)\n      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n      var settings = lodash.templateSettings;\n\n      if (guard && isIterateeCall(string, options, guard)) {\n        options = undefined;\n      }\n      string = toString(string);\n      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\n      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n          importsKeys = keys(imports),\n          importsValues = baseValues(imports, importsKeys);\n\n      var isEscaping,\n          isEvaluating,\n          index = 0,\n          interpolate = options.interpolate || reNoMatch,\n          source = \"__p += '\";\n\n      // Compile the regexp to match each delimiter.\n      var reDelimiters = RegExp(\n        (options.escape || reNoMatch).source + '|' +\n        interpolate.source + '|' +\n        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n        (options.evaluate || reNoMatch).source + '|$'\n      , 'g');\n\n      // Use a sourceURL for easier debugging.\n      var sourceURL = '//# sourceURL=' +\n        ('sourceURL' in options\n          ? options.sourceURL\n          : ('lodash.templateSources[' + (++templateCounter) + ']')\n        ) + '\\n';\n\n      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n        interpolateValue || (interpolateValue = esTemplateValue);\n\n        // Escape characters that can't be included in string literals.\n        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\n        // Replace delimiters with snippets.\n        if (escapeValue) {\n          isEscaping = true;\n          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n        }\n        if (evaluateValue) {\n          isEvaluating = true;\n          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n        }\n        if (interpolateValue) {\n          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n        }\n        index = offset + match.length;\n\n        // The JS engine embedded in Adobe products needs `match` returned in\n        // order to produce the correct `offset` value.\n        return match;\n      });\n\n      source += \"';\\n\";\n\n      // If `variable` is not specified wrap a with-statement around the generated\n      // code to add the data object to the top of the scope chain.\n      var variable = options.variable;\n      if (!variable) {\n        source = 'with (obj) {\\n' + source + '\\n}\\n';\n      }\n      // Cleanup code by stripping empty strings.\n      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n        .replace(reEmptyStringMiddle, '$1')\n        .replace(reEmptyStringTrailing, '$1;');\n\n      // Frame code as the function body.\n      source = 'function(' + (variable || 'obj') + ') {\\n' +\n        (variable\n          ? ''\n          : 'obj || (obj = {});\\n'\n        ) +\n        \"var __t, __p = ''\" +\n        (isEscaping\n           ? ', __e = _.escape'\n           : ''\n        ) +\n        (isEvaluating\n          ? ', __j = Array.prototype.join;\\n' +\n            \"function print() { __p += __j.call(arguments, '') }\\n\"\n          : ';\\n'\n        ) +\n        source +\n        'return __p\\n}';\n\n      var result = attempt(function() {\n        return Function(importsKeys, sourceURL + 'return ' + source)\n          .apply(undefined, importsValues);\n      });\n\n      // Provide the compiled function's source by its `toString` method or\n      // the `source` property as a convenience for inlining compiled templates.\n      result.source = source;\n      if (isError(result)) {\n        throw result;\n      }\n      return result;\n    }\n\n    /**\n     * Converts `string`, as a whole, to lower case just like\n     * [String#toLowerCase](https://mdn.io/toLowerCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.toLower('--Foo-Bar--');\n     * // => '--foo-bar--'\n     *\n     * _.toLower('fooBar');\n     * // => 'foobar'\n     *\n     * _.toLower('__FOO_BAR__');\n     * // => '__foo_bar__'\n     */\n    function toLower(value) {\n      return toString(value).toLowerCase();\n    }\n\n    /**\n     * Converts `string`, as a whole, to upper case just like\n     * [String#toUpperCase](https://mdn.io/toUpperCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.toUpper('--foo-bar--');\n     * // => '--FOO-BAR--'\n     *\n     * _.toUpper('fooBar');\n     * // => 'FOOBAR'\n     *\n     * _.toUpper('__foo_bar__');\n     * // => '__FOO_BAR__'\n     */\n    function toUpper(value) {\n      return toString(value).toUpperCase();\n    }\n\n    /**\n     * Removes leading and trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trim('  abc  ');\n     * // => 'abc'\n     *\n     * _.trim('-_-abc-_-', '_-');\n     * // => 'abc'\n     *\n     * _.map(['  foo  ', '  bar  '], _.trim);\n     * // => ['foo', 'bar']\n     */\n    function trim(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrim, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          chrSymbols = stringToArray(chars),\n          start = charsStartIndex(strSymbols, chrSymbols),\n          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\n      return castSlice(strSymbols, start, end).join('');\n    }\n\n    /**\n     * Removes trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimEnd('  abc  ');\n     * // => '  abc'\n     *\n     * _.trimEnd('-_-abc-_-', '_-');\n     * // => '-_-abc'\n     */\n    function trimEnd(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimEnd, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\n      return castSlice(strSymbols, 0, end).join('');\n    }\n\n    /**\n     * Removes leading whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimStart('  abc  ');\n     * // => 'abc  '\n     *\n     * _.trimStart('-_-abc-_-', '_-');\n     * // => 'abc-_-'\n     */\n    function trimStart(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimStart, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          start = charsStartIndex(strSymbols, stringToArray(chars));\n\n      return castSlice(strSymbols, start).join('');\n    }\n\n    /**\n     * Truncates `string` if it's longer than the given maximum string length.\n     * The last characters of the truncated string are replaced with the omission\n     * string which defaults to \"...\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to truncate.\n     * @param {Object} [options={}] The options object.\n     * @param {number} [options.length=30] The maximum string length.\n     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n     * @returns {string} Returns the truncated string.\n     * @example\n     *\n     * _.truncate('hi-diddly-ho there, neighborino');\n     * // => 'hi-diddly-ho there, neighbo...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': ' '\n     * });\n     * // => 'hi-diddly-ho there,...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': /,? +/\n     * });\n     * // => 'hi-diddly-ho there...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'omission': ' [...]'\n     * });\n     * // => 'hi-diddly-ho there, neig [...]'\n     */\n    function truncate(string, options) {\n      var length = DEFAULT_TRUNC_LENGTH,\n          omission = DEFAULT_TRUNC_OMISSION;\n\n      if (isObject(options)) {\n        var separator = 'separator' in options ? options.separator : separator;\n        length = 'length' in options ? toInteger(options.length) : length;\n        omission = 'omission' in options ? baseToString(options.omission) : omission;\n      }\n      string = toString(string);\n\n      var strLength = string.length;\n      if (hasUnicode(string)) {\n        var strSymbols = stringToArray(string);\n        strLength = strSymbols.length;\n      }\n      if (length >= strLength) {\n        return string;\n      }\n      var end = length - stringSize(omission);\n      if (end < 1) {\n        return omission;\n      }\n      var result = strSymbols\n        ? castSlice(strSymbols, 0, end).join('')\n        : string.slice(0, end);\n\n      if (separator === undefined) {\n        return result + omission;\n      }\n      if (strSymbols) {\n        end += (result.length - end);\n      }\n      if (isRegExp(separator)) {\n        if (string.slice(end).search(separator)) {\n          var match,\n              substring = result;\n\n          if (!separator.global) {\n            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n          }\n          separator.lastIndex = 0;\n          while ((match = separator.exec(substring))) {\n            var newEnd = match.index;\n          }\n          result = result.slice(0, newEnd === undefined ? end : newEnd);\n        }\n      } else if (string.indexOf(baseToString(separator), end) != end) {\n        var index = result.lastIndexOf(separator);\n        if (index > -1) {\n          result = result.slice(0, index);\n        }\n      }\n      return result + omission;\n    }\n\n    /**\n     * The inverse of `_.escape`; this method converts the HTML entities\n     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n     * their corresponding characters.\n     *\n     * **Note:** No other HTML entities are unescaped. To unescape additional\n     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.6.0\n     * @category String\n     * @param {string} [string=''] The string to unescape.\n     * @returns {string} Returns the unescaped string.\n     * @example\n     *\n     * _.unescape('fred, barney, &amp; pebbles');\n     * // => 'fred, barney, & pebbles'\n     */\n    function unescape(string) {\n      string = toString(string);\n      return (string && reHasEscapedHtml.test(string))\n        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Converts `string`, as space separated words, to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.upperCase('--foo-bar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('fooBar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('__foo_bar__');\n     * // => 'FOO BAR'\n     */\n    var upperCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toUpperCase();\n    });\n\n    /**\n     * Converts the first character of `string` to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.upperFirst('fred');\n     * // => 'Fred'\n     *\n     * _.upperFirst('FRED');\n     * // => 'FRED'\n     */\n    var upperFirst = createCaseFirst('toUpperCase');\n\n    /**\n     * Splits `string` into an array of its words.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {RegExp|string} [pattern] The pattern to match words.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the words of `string`.\n     * @example\n     *\n     * _.words('fred, barney, & pebbles');\n     * // => ['fred', 'barney', 'pebbles']\n     *\n     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n     * // => ['fred', 'barney', '&', 'pebbles']\n     */\n    function words(string, pattern, guard) {\n      string = toString(string);\n      pattern = guard ? undefined : pattern;\n\n      if (pattern === undefined) {\n        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n      }\n      return string.match(pattern) || [];\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Attempts to invoke `func`, returning either the result or the caught error\n     * object. Any additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Function} func The function to attempt.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {*} Returns the `func` result or error object.\n     * @example\n     *\n     * // Avoid throwing errors for invalid selectors.\n     * var elements = _.attempt(function(selector) {\n     *   return document.querySelectorAll(selector);\n     * }, '>_>');\n     *\n     * if (_.isError(elements)) {\n     *   elements = [];\n     * }\n     */\n    var attempt = baseRest(function(func, args) {\n      try {\n        return apply(func, undefined, args);\n      } catch (e) {\n        return isError(e) ? e : new Error(e);\n      }\n    });\n\n    /**\n     * Binds methods of an object to the object itself, overwriting the existing\n     * method.\n     *\n     * **Note:** This method doesn't set the \"length\" property of bound functions.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Object} object The object to bind and assign the bound methods to.\n     * @param {...(string|string[])} methodNames The object method names to bind.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var view = {\n     *   'label': 'docs',\n     *   'click': function() {\n     *     console.log('clicked ' + this.label);\n     *   }\n     * };\n     *\n     * _.bindAll(view, ['click']);\n     * jQuery(element).on('click', view.click);\n     * // => Logs 'clicked docs' when clicked.\n     */\n    var bindAll = flatRest(function(object, methodNames) {\n      arrayEach(methodNames, function(key) {\n        key = toKey(key);\n        baseAssignValue(object, key, bind(object[key], object));\n      });\n      return object;\n    });\n\n    /**\n     * Creates a function that iterates over `pairs` and invokes the corresponding\n     * function of the first predicate to return truthy. The predicate-function\n     * pairs are invoked with the `this` binding and arguments of the created\n     * function.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Array} pairs The predicate-function pairs.\n     * @returns {Function} Returns the new composite function.\n     * @example\n     *\n     * var func = _.cond([\n     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n     *   [_.stubTrue,                      _.constant('no match')]\n     * ]);\n     *\n     * func({ 'a': 1, 'b': 2 });\n     * // => 'matches A'\n     *\n     * func({ 'a': 0, 'b': 1 });\n     * // => 'matches B'\n     *\n     * func({ 'a': '1', 'b': '2' });\n     * // => 'no match'\n     */\n    function cond(pairs) {\n      var length = pairs == null ? 0 : pairs.length,\n          toIteratee = getIteratee();\n\n      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n        if (typeof pair[1] != 'function') {\n          throw new TypeError(FUNC_ERROR_TEXT);\n        }\n        return [toIteratee(pair[0]), pair[1]];\n      });\n\n      return baseRest(function(args) {\n        var index = -1;\n        while (++index < length) {\n          var pair = pairs[index];\n          if (apply(pair[0], this, args)) {\n            return apply(pair[1], this, args);\n          }\n        }\n      });\n    }\n\n    /**\n     * Creates a function that invokes the predicate properties of `source` with\n     * the corresponding property values of a given object, returning `true` if\n     * all predicates return truthy, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.conformsTo` with\n     * `source` partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 2, 'b': 1 },\n     *   { 'a': 1, 'b': 2 }\n     * ];\n     *\n     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n     * // => [{ 'a': 1, 'b': 2 }]\n     */\n    function conforms(source) {\n      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that returns `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {*} value The value to return from the new function.\n     * @returns {Function} Returns the new constant function.\n     * @example\n     *\n     * var objects = _.times(2, _.constant({ 'a': 1 }));\n     *\n     * console.log(objects);\n     * // => [{ 'a': 1 }, { 'a': 1 }]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => true\n     */\n    function constant(value) {\n      return function() {\n        return value;\n      };\n    }\n\n    /**\n     * Checks `value` to determine whether a default value should be returned in\n     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n     * or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Util\n     * @param {*} value The value to check.\n     * @param {*} defaultValue The default value.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * _.defaultTo(1, 10);\n     * // => 1\n     *\n     * _.defaultTo(undefined, 10);\n     * // => 10\n     */\n    function defaultTo(value, defaultValue) {\n      return (value == null || value !== value) ? defaultValue : value;\n    }\n\n    /**\n     * Creates a function that returns the result of invoking the given functions\n     * with the `this` binding of the created function, where each successive\n     * invocation is supplied the return value of the previous.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flowRight\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flow([_.add, square]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flow = createFlow();\n\n    /**\n     * This method is like `_.flow` except that it creates a function that\n     * invokes the given functions from right to left.\n     *\n     * @static\n     * @since 3.0.0\n     * @memberOf _\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flow\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flowRight([square, _.add]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flowRight = createFlow(true);\n\n    /**\n     * This method returns the first argument it receives.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {*} value Any value.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     *\n     * console.log(_.identity(object) === object);\n     * // => true\n     */\n    function identity(value) {\n      return value;\n    }\n\n    /**\n     * Creates a function that invokes `func` with the arguments of the created\n     * function. If `func` is a property name, the created function returns the\n     * property value for a given element. If `func` is an array or object, the\n     * created function returns `true` for elements that contain the equivalent\n     * source properties, otherwise it returns `false`.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Util\n     * @param {*} [func=_.identity] The value to convert to a callback.\n     * @returns {Function} Returns the callback.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, _.iteratee(['user', 'fred']));\n     * // => [{ 'user': 'fred', 'age': 40 }]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, _.iteratee('user'));\n     * // => ['barney', 'fred']\n     *\n     * // Create custom iteratee shorthands.\n     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n     *     return func.test(string);\n     *   };\n     * });\n     *\n     * _.filter(['abc', 'def'], /ef/);\n     * // => ['def']\n     */\n    function iteratee(func) {\n      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between a given\n     * object and `source`, returning `true` if the given object has equivalent\n     * property values, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n     */\n    function matches(source) {\n      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between the\n     * value at `path` of a given object to `srcValue`, returning `true` if the\n     * object value is equivalent, else `false`.\n     *\n     * **Note:** Partial comparisons will match empty array and empty object\n     * `srcValue` values against any array or object value, respectively. See\n     * `_.isEqual` for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.find(objects, _.matchesProperty('a', 4));\n     * // => { 'a': 4, 'b': 5, 'c': 6 }\n     */\n    function matchesProperty(path, srcValue) {\n      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that invokes the method at `path` of a given object.\n     * Any additional arguments are provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': _.constant(2) } },\n     *   { 'a': { 'b': _.constant(1) } }\n     * ];\n     *\n     * _.map(objects, _.method('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(objects, _.method(['a', 'b']));\n     * // => [2, 1]\n     */\n    var method = baseRest(function(path, args) {\n      return function(object) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * The opposite of `_.method`; this method creates a function that invokes\n     * the method at a given path of `object`. Any additional arguments are\n     * provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var array = _.times(3, _.constant),\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n     * // => [2, 0]\n     */\n    var methodOf = baseRest(function(object, args) {\n      return function(path) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * Adds all own enumerable string keyed function properties of a source\n     * object to the destination object. If `object` is a function, then methods\n     * are added to its prototype as well.\n     *\n     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n     * avoid conflicts caused by modifying the original.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Function|Object} [object=lodash] The destination object.\n     * @param {Object} source The object of functions to add.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n     * @returns {Function|Object} Returns `object`.\n     * @example\n     *\n     * function vowels(string) {\n     *   return _.filter(string, function(v) {\n     *     return /[aeiou]/i.test(v);\n     *   });\n     * }\n     *\n     * _.mixin({ 'vowels': vowels });\n     * _.vowels('fred');\n     * // => ['e']\n     *\n     * _('fred').vowels().value();\n     * // => ['e']\n     *\n     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n     * _('fred').vowels();\n     * // => ['e']\n     */\n    function mixin(object, source, options) {\n      var props = keys(source),\n          methodNames = baseFunctions(source, props);\n\n      if (options == null &&\n          !(isObject(source) && (methodNames.length || !props.length))) {\n        options = source;\n        source = object;\n        object = this;\n        methodNames = baseFunctions(source, keys(source));\n      }\n      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n          isFunc = isFunction(object);\n\n      arrayEach(methodNames, function(methodName) {\n        var func = source[methodName];\n        object[methodName] = func;\n        if (isFunc) {\n          object.prototype[methodName] = function() {\n            var chainAll = this.__chain__;\n            if (chain || chainAll) {\n              var result = object(this.__wrapped__),\n                  actions = result.__actions__ = copyArray(this.__actions__);\n\n              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n              result.__chain__ = chainAll;\n              return result;\n            }\n            return func.apply(object, arrayPush([this.value()], arguments));\n          };\n        }\n      });\n\n      return object;\n    }\n\n    /**\n     * Reverts the `_` variable to its previous value and returns a reference to\n     * the `lodash` function.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @returns {Function} Returns the `lodash` function.\n     * @example\n     *\n     * var lodash = _.noConflict();\n     */\n    function noConflict() {\n      if (root._ === this) {\n        root._ = oldDash;\n      }\n      return this;\n    }\n\n    /**\n     * This method returns `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Util\n     * @example\n     *\n     * _.times(2, _.noop);\n     * // => [undefined, undefined]\n     */\n    function noop() {\n      // No operation performed.\n    }\n\n    /**\n     * Creates a function that gets the argument at index `n`. If `n` is negative,\n     * the nth argument from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [n=0] The index of the argument to return.\n     * @returns {Function} Returns the new pass-thru function.\n     * @example\n     *\n     * var func = _.nthArg(1);\n     * func('a', 'b', 'c', 'd');\n     * // => 'b'\n     *\n     * var func = _.nthArg(-2);\n     * func('a', 'b', 'c', 'd');\n     * // => 'c'\n     */\n    function nthArg(n) {\n      n = toInteger(n);\n      return baseRest(function(args) {\n        return baseNth(args, n);\n      });\n    }\n\n    /**\n     * Creates a function that invokes `iteratees` with the arguments it receives\n     * and returns their results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to invoke.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.over([Math.max, Math.min]);\n     *\n     * func(1, 2, 3, 4);\n     * // => [4, 1]\n     */\n    var over = createOver(arrayMap);\n\n    /**\n     * Creates a function that checks if **all** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overEvery([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => false\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overEvery = createOver(arrayEvery);\n\n    /**\n     * Creates a function that checks if **any** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overSome([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => true\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overSome = createOver(arraySome);\n\n    /**\n     * Creates a function that returns the value at `path` of a given object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': 2 } },\n     *   { 'a': { 'b': 1 } }\n     * ];\n     *\n     * _.map(objects, _.property('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n     * // => [1, 2]\n     */\n    function property(path) {\n      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n    }\n\n    /**\n     * The opposite of `_.property`; this method creates a function that returns\n     * the value at a given path of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var array = [0, 1, 2],\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n     * // => [2, 0]\n     */\n    function propertyOf(object) {\n      return function(path) {\n        return object == null ? undefined : baseGet(object, path);\n      };\n    }\n\n    /**\n     * Creates an array of numbers (positive and/or negative) progressing from\n     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n     * `start` is specified without an `end` or `step`. If `end` is not specified,\n     * it's set to `start` with `start` then set to `0`.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.rangeRight\n     * @example\n     *\n     * _.range(4);\n     * // => [0, 1, 2, 3]\n     *\n     * _.range(-4);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 5);\n     * // => [1, 2, 3, 4]\n     *\n     * _.range(0, 20, 5);\n     * // => [0, 5, 10, 15]\n     *\n     * _.range(0, -4, -1);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.range(0);\n     * // => []\n     */\n    var range = createRange();\n\n    /**\n     * This method is like `_.range` except that it populates values in\n     * descending order.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.range\n     * @example\n     *\n     * _.rangeRight(4);\n     * // => [3, 2, 1, 0]\n     *\n     * _.rangeRight(-4);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 5);\n     * // => [4, 3, 2, 1]\n     *\n     * _.rangeRight(0, 20, 5);\n     * // => [15, 10, 5, 0]\n     *\n     * _.rangeRight(0, -4, -1);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.rangeRight(0);\n     * // => []\n     */\n    var rangeRight = createRange(true);\n\n    /**\n     * This method returns a new empty array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Array} Returns the new empty array.\n     * @example\n     *\n     * var arrays = _.times(2, _.stubArray);\n     *\n     * console.log(arrays);\n     * // => [[], []]\n     *\n     * console.log(arrays[0] === arrays[1]);\n     * // => false\n     */\n    function stubArray() {\n      return [];\n    }\n\n    /**\n     * This method returns `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `false`.\n     * @example\n     *\n     * _.times(2, _.stubFalse);\n     * // => [false, false]\n     */\n    function stubFalse() {\n      return false;\n    }\n\n    /**\n     * This method returns a new empty object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Object} Returns the new empty object.\n     * @example\n     *\n     * var objects = _.times(2, _.stubObject);\n     *\n     * console.log(objects);\n     * // => [{}, {}]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => false\n     */\n    function stubObject() {\n      return {};\n    }\n\n    /**\n     * This method returns an empty string.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {string} Returns the empty string.\n     * @example\n     *\n     * _.times(2, _.stubString);\n     * // => ['', '']\n     */\n    function stubString() {\n      return '';\n    }\n\n    /**\n     * This method returns `true`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `true`.\n     * @example\n     *\n     * _.times(2, _.stubTrue);\n     * // => [true, true]\n     */\n    function stubTrue() {\n      return true;\n    }\n\n    /**\n     * Invokes the iteratee `n` times, returning an array of the results of\n     * each invocation. The iteratee is invoked with one argument; (index).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} n The number of times to invoke `iteratee`.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.times(3, String);\n     * // => ['0', '1', '2']\n     *\n     *  _.times(4, _.constant(0));\n     * // => [0, 0, 0, 0]\n     */\n    function times(n, iteratee) {\n      n = toInteger(n);\n      if (n < 1 || n > MAX_SAFE_INTEGER) {\n        return [];\n      }\n      var index = MAX_ARRAY_LENGTH,\n          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\n      iteratee = getIteratee(iteratee);\n      n -= MAX_ARRAY_LENGTH;\n\n      var result = baseTimes(length, iteratee);\n      while (++index < n) {\n        iteratee(index);\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a property path array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the new property path array.\n     * @example\n     *\n     * _.toPath('a.b.c');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toPath('a[0].b.c');\n     * // => ['a', '0', 'b', 'c']\n     */\n    function toPath(value) {\n      if (isArray(value)) {\n        return arrayMap(value, toKey);\n      }\n      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n    }\n\n    /**\n     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {string} [prefix=''] The value to prefix the ID with.\n     * @returns {string} Returns the unique ID.\n     * @example\n     *\n     * _.uniqueId('contact_');\n     * // => 'contact_104'\n     *\n     * _.uniqueId();\n     * // => '105'\n     */\n    function uniqueId(prefix) {\n      var id = ++idCounter;\n      return toString(prefix) + id;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Adds two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {number} augend The first number in an addition.\n     * @param {number} addend The second number in an addition.\n     * @returns {number} Returns the total.\n     * @example\n     *\n     * _.add(6, 4);\n     * // => 10\n     */\n    var add = createMathOperation(function(augend, addend) {\n      return augend + addend;\n    }, 0);\n\n    /**\n     * Computes `number` rounded up to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round up.\n     * @param {number} [precision=0] The precision to round up to.\n     * @returns {number} Returns the rounded up number.\n     * @example\n     *\n     * _.ceil(4.006);\n     * // => 5\n     *\n     * _.ceil(6.004, 2);\n     * // => 6.01\n     *\n     * _.ceil(6040, -2);\n     * // => 6100\n     */\n    var ceil = createRound('ceil');\n\n    /**\n     * Divide two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} dividend The first number in a division.\n     * @param {number} divisor The second number in a division.\n     * @returns {number} Returns the quotient.\n     * @example\n     *\n     * _.divide(6, 4);\n     * // => 1.5\n     */\n    var divide = createMathOperation(function(dividend, divisor) {\n      return dividend / divisor;\n    }, 1);\n\n    /**\n     * Computes `number` rounded down to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round down.\n     * @param {number} [precision=0] The precision to round down to.\n     * @returns {number} Returns the rounded down number.\n     * @example\n     *\n     * _.floor(4.006);\n     * // => 4\n     *\n     * _.floor(0.046, 2);\n     * // => 0.04\n     *\n     * _.floor(4060, -2);\n     * // => 4000\n     */\n    var floor = createRound('floor');\n\n    /**\n     * Computes the maximum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * _.max([4, 2, 8, 6]);\n     * // => 8\n     *\n     * _.max([]);\n     * // => undefined\n     */\n    function max(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseGt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.max` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.maxBy(objects, function(o) { return o.n; });\n     * // => { 'n': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.maxBy(objects, 'n');\n     * // => { 'n': 2 }\n     */\n    function maxBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n        : undefined;\n    }\n\n    /**\n     * Computes the mean of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * _.mean([4, 2, 8, 6]);\n     * // => 5\n     */\n    function mean(array) {\n      return baseMean(array, identity);\n    }\n\n    /**\n     * This method is like `_.mean` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be averaged.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.meanBy(objects, function(o) { return o.n; });\n     * // => 5\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.meanBy(objects, 'n');\n     * // => 5\n     */\n    function meanBy(array, iteratee) {\n      return baseMean(array, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * Computes the minimum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * _.min([4, 2, 8, 6]);\n     * // => 2\n     *\n     * _.min([]);\n     * // => undefined\n     */\n    function min(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseLt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.min` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.minBy(objects, function(o) { return o.n; });\n     * // => { 'n': 1 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.minBy(objects, 'n');\n     * // => { 'n': 1 }\n     */\n    function minBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n        : undefined;\n    }\n\n    /**\n     * Multiply two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} multiplier The first number in a multiplication.\n     * @param {number} multiplicand The second number in a multiplication.\n     * @returns {number} Returns the product.\n     * @example\n     *\n     * _.multiply(6, 4);\n     * // => 24\n     */\n    var multiply = createMathOperation(function(multiplier, multiplicand) {\n      return multiplier * multiplicand;\n    }, 1);\n\n    /**\n     * Computes `number` rounded to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round.\n     * @param {number} [precision=0] The precision to round to.\n     * @returns {number} Returns the rounded number.\n     * @example\n     *\n     * _.round(4.006);\n     * // => 4\n     *\n     * _.round(4.006, 2);\n     * // => 4.01\n     *\n     * _.round(4060, -2);\n     * // => 4100\n     */\n    var round = createRound('round');\n\n    /**\n     * Subtract two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {number} minuend The first number in a subtraction.\n     * @param {number} subtrahend The second number in a subtraction.\n     * @returns {number} Returns the difference.\n     * @example\n     *\n     * _.subtract(6, 4);\n     * // => 2\n     */\n    var subtract = createMathOperation(function(minuend, subtrahend) {\n      return minuend - subtrahend;\n    }, 0);\n\n    /**\n     * Computes the sum of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * _.sum([4, 2, 8, 6]);\n     * // => 20\n     */\n    function sum(array) {\n      return (array && array.length)\n        ? baseSum(array, identity)\n        : 0;\n    }\n\n    /**\n     * This method is like `_.sum` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be summed.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.sumBy(objects, function(o) { return o.n; });\n     * // => 20\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sumBy(objects, 'n');\n     * // => 20\n     */\n    function sumBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSum(array, getIteratee(iteratee, 2))\n        : 0;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return wrapped values in chain sequences.\n    lodash.after = after;\n    lodash.ary = ary;\n    lodash.assign = assign;\n    lodash.assignIn = assignIn;\n    lodash.assignInWith = assignInWith;\n    lodash.assignWith = assignWith;\n    lodash.at = at;\n    lodash.before = before;\n    lodash.bind = bind;\n    lodash.bindAll = bindAll;\n    lodash.bindKey = bindKey;\n    lodash.castArray = castArray;\n    lodash.chain = chain;\n    lodash.chunk = chunk;\n    lodash.compact = compact;\n    lodash.concat = concat;\n    lodash.cond = cond;\n    lodash.conforms = conforms;\n    lodash.constant = constant;\n    lodash.countBy = countBy;\n    lodash.create = create;\n    lodash.curry = curry;\n    lodash.curryRight = curryRight;\n    lodash.debounce = debounce;\n    lodash.defaults = defaults;\n    lodash.defaultsDeep = defaultsDeep;\n    lodash.defer = defer;\n    lodash.delay = delay;\n    lodash.difference = difference;\n    lodash.differenceBy = differenceBy;\n    lodash.differenceWith = differenceWith;\n    lodash.drop = drop;\n    lodash.dropRight = dropRight;\n    lodash.dropRightWhile = dropRightWhile;\n    lodash.dropWhile = dropWhile;\n    lodash.fill = fill;\n    lodash.filter = filter;\n    lodash.flatMap = flatMap;\n    lodash.flatMapDeep = flatMapDeep;\n    lodash.flatMapDepth = flatMapDepth;\n    lodash.flatten = flatten;\n    lodash.flattenDeep = flattenDeep;\n    lodash.flattenDepth = flattenDepth;\n    lodash.flip = flip;\n    lodash.flow = flow;\n    lodash.flowRight = flowRight;\n    lodash.fromPairs = fromPairs;\n    lodash.functions = functions;\n    lodash.functionsIn = functionsIn;\n    lodash.groupBy = groupBy;\n    lodash.initial = initial;\n    lodash.intersection = intersection;\n    lodash.intersectionBy = intersectionBy;\n    lodash.intersectionWith = intersectionWith;\n    lodash.invert = invert;\n    lodash.invertBy = invertBy;\n    lodash.invokeMap = invokeMap;\n    lodash.iteratee = iteratee;\n    lodash.keyBy = keyBy;\n    lodash.keys = keys;\n    lodash.keysIn = keysIn;\n    lodash.map = map;\n    lodash.mapKeys = mapKeys;\n    lodash.mapValues = mapValues;\n    lodash.matches = matches;\n    lodash.matchesProperty = matchesProperty;\n    lodash.memoize = memoize;\n    lodash.merge = merge;\n    lodash.mergeWith = mergeWith;\n    lodash.method = method;\n    lodash.methodOf = methodOf;\n    lodash.mixin = mixin;\n    lodash.negate = negate;\n    lodash.nthArg = nthArg;\n    lodash.omit = omit;\n    lodash.omitBy = omitBy;\n    lodash.once = once;\n    lodash.orderBy = orderBy;\n    lodash.over = over;\n    lodash.overArgs = overArgs;\n    lodash.overEvery = overEvery;\n    lodash.overSome = overSome;\n    lodash.partial = partial;\n    lodash.partialRight = partialRight;\n    lodash.partition = partition;\n    lodash.pick = pick;\n    lodash.pickBy = pickBy;\n    lodash.property = property;\n    lodash.propertyOf = propertyOf;\n    lodash.pull = pull;\n    lodash.pullAll = pullAll;\n    lodash.pullAllBy = pullAllBy;\n    lodash.pullAllWith = pullAllWith;\n    lodash.pullAt = pullAt;\n    lodash.range = range;\n    lodash.rangeRight = rangeRight;\n    lodash.rearg = rearg;\n    lodash.reject = reject;\n    lodash.remove = remove;\n    lodash.rest = rest;\n    lodash.reverse = reverse;\n    lodash.sampleSize = sampleSize;\n    lodash.set = set;\n    lodash.setWith = setWith;\n    lodash.shuffle = shuffle;\n    lodash.slice = slice;\n    lodash.sortBy = sortBy;\n    lodash.sortedUniq = sortedUniq;\n    lodash.sortedUniqBy = sortedUniqBy;\n    lodash.split = split;\n    lodash.spread = spread;\n    lodash.tail = tail;\n    lodash.take = take;\n    lodash.takeRight = takeRight;\n    lodash.takeRightWhile = takeRightWhile;\n    lodash.takeWhile = takeWhile;\n    lodash.tap = tap;\n    lodash.throttle = throttle;\n    lodash.thru = thru;\n    lodash.toArray = toArray;\n    lodash.toPairs = toPairs;\n    lodash.toPairsIn = toPairsIn;\n    lodash.toPath = toPath;\n    lodash.toPlainObject = toPlainObject;\n    lodash.transform = transform;\n    lodash.unary = unary;\n    lodash.union = union;\n    lodash.unionBy = unionBy;\n    lodash.unionWith = unionWith;\n    lodash.uniq = uniq;\n    lodash.uniqBy = uniqBy;\n    lodash.uniqWith = uniqWith;\n    lodash.unset = unset;\n    lodash.unzip = unzip;\n    lodash.unzipWith = unzipWith;\n    lodash.update = update;\n    lodash.updateWith = updateWith;\n    lodash.values = values;\n    lodash.valuesIn = valuesIn;\n    lodash.without = without;\n    lodash.words = words;\n    lodash.wrap = wrap;\n    lodash.xor = xor;\n    lodash.xorBy = xorBy;\n    lodash.xorWith = xorWith;\n    lodash.zip = zip;\n    lodash.zipObject = zipObject;\n    lodash.zipObjectDeep = zipObjectDeep;\n    lodash.zipWith = zipWith;\n\n    // Add aliases.\n    lodash.entries = toPairs;\n    lodash.entriesIn = toPairsIn;\n    lodash.extend = assignIn;\n    lodash.extendWith = assignInWith;\n\n    // Add methods to `lodash.prototype`.\n    mixin(lodash, lodash);\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return unwrapped values in chain sequences.\n    lodash.add = add;\n    lodash.attempt = attempt;\n    lodash.camelCase = camelCase;\n    lodash.capitalize = capitalize;\n    lodash.ceil = ceil;\n    lodash.clamp = clamp;\n    lodash.clone = clone;\n    lodash.cloneDeep = cloneDeep;\n    lodash.cloneDeepWith = cloneDeepWith;\n    lodash.cloneWith = cloneWith;\n    lodash.conformsTo = conformsTo;\n    lodash.deburr = deburr;\n    lodash.defaultTo = defaultTo;\n    lodash.divide = divide;\n    lodash.endsWith = endsWith;\n    lodash.eq = eq;\n    lodash.escape = escape;\n    lodash.escapeRegExp = escapeRegExp;\n    lodash.every = every;\n    lodash.find = find;\n    lodash.findIndex = findIndex;\n    lodash.findKey = findKey;\n    lodash.findLast = findLast;\n    lodash.findLastIndex = findLastIndex;\n    lodash.findLastKey = findLastKey;\n    lodash.floor = floor;\n    lodash.forEach = forEach;\n    lodash.forEachRight = forEachRight;\n    lodash.forIn = forIn;\n    lodash.forInRight = forInRight;\n    lodash.forOwn = forOwn;\n    lodash.forOwnRight = forOwnRight;\n    lodash.get = get;\n    lodash.gt = gt;\n    lodash.gte = gte;\n    lodash.has = has;\n    lodash.hasIn = hasIn;\n    lodash.head = head;\n    lodash.identity = identity;\n    lodash.includes = includes;\n    lodash.indexOf = indexOf;\n    lodash.inRange = inRange;\n    lodash.invoke = invoke;\n    lodash.isArguments = isArguments;\n    lodash.isArray = isArray;\n    lodash.isArrayBuffer = isArrayBuffer;\n    lodash.isArrayLike = isArrayLike;\n    lodash.isArrayLikeObject = isArrayLikeObject;\n    lodash.isBoolean = isBoolean;\n    lodash.isBuffer = isBuffer;\n    lodash.isDate = isDate;\n    lodash.isElement = isElement;\n    lodash.isEmpty = isEmpty;\n    lodash.isEqual = isEqual;\n    lodash.isEqualWith = isEqualWith;\n    lodash.isError = isError;\n    lodash.isFinite = isFinite;\n    lodash.isFunction = isFunction;\n    lodash.isInteger = isInteger;\n    lodash.isLength = isLength;\n    lodash.isMap = isMap;\n    lodash.isMatch = isMatch;\n    lodash.isMatchWith = isMatchWith;\n    lodash.isNaN = isNaN;\n    lodash.isNative = isNative;\n    lodash.isNil = isNil;\n    lodash.isNull = isNull;\n    lodash.isNumber = isNumber;\n    lodash.isObject = isObject;\n    lodash.isObjectLike = isObjectLike;\n    lodash.isPlainObject = isPlainObject;\n    lodash.isRegExp = isRegExp;\n    lodash.isSafeInteger = isSafeInteger;\n    lodash.isSet = isSet;\n    lodash.isString = isString;\n    lodash.isSymbol = isSymbol;\n    lodash.isTypedArray = isTypedArray;\n    lodash.isUndefined = isUndefined;\n    lodash.isWeakMap = isWeakMap;\n    lodash.isWeakSet = isWeakSet;\n    lodash.join = join;\n    lodash.kebabCase = kebabCase;\n    lodash.last = last;\n    lodash.lastIndexOf = lastIndexOf;\n    lodash.lowerCase = lowerCase;\n    lodash.lowerFirst = lowerFirst;\n    lodash.lt = lt;\n    lodash.lte = lte;\n    lodash.max = max;\n    lodash.maxBy = maxBy;\n    lodash.mean = mean;\n    lodash.meanBy = meanBy;\n    lodash.min = min;\n    lodash.minBy = minBy;\n    lodash.stubArray = stubArray;\n    lodash.stubFalse = stubFalse;\n    lodash.stubObject = stubObject;\n    lodash.stubString = stubString;\n    lodash.stubTrue = stubTrue;\n    lodash.multiply = multiply;\n    lodash.nth = nth;\n    lodash.noConflict = noConflict;\n    lodash.noop = noop;\n    lodash.now = now;\n    lodash.pad = pad;\n    lodash.padEnd = padEnd;\n    lodash.padStart = padStart;\n    lodash.parseInt = parseInt;\n    lodash.random = random;\n    lodash.reduce = reduce;\n    lodash.reduceRight = reduceRight;\n    lodash.repeat = repeat;\n    lodash.replace = replace;\n    lodash.result = result;\n    lodash.round = round;\n    lodash.runInContext = runInContext;\n    lodash.sample = sample;\n    lodash.size = size;\n    lodash.snakeCase = snakeCase;\n    lodash.some = some;\n    lodash.sortedIndex = sortedIndex;\n    lodash.sortedIndexBy = sortedIndexBy;\n    lodash.sortedIndexOf = sortedIndexOf;\n    lodash.sortedLastIndex = sortedLastIndex;\n    lodash.sortedLastIndexBy = sortedLastIndexBy;\n    lodash.sortedLastIndexOf = sortedLastIndexOf;\n    lodash.startCase = startCase;\n    lodash.startsWith = startsWith;\n    lodash.subtract = subtract;\n    lodash.sum = sum;\n    lodash.sumBy = sumBy;\n    lodash.template = template;\n    lodash.times = times;\n    lodash.toFinite = toFinite;\n    lodash.toInteger = toInteger;\n    lodash.toLength = toLength;\n    lodash.toLower = toLower;\n    lodash.toNumber = toNumber;\n    lodash.toSafeInteger = toSafeInteger;\n    lodash.toString = toString;\n    lodash.toUpper = toUpper;\n    lodash.trim = trim;\n    lodash.trimEnd = trimEnd;\n    lodash.trimStart = trimStart;\n    lodash.truncate = truncate;\n    lodash.unescape = unescape;\n    lodash.uniqueId = uniqueId;\n    lodash.upperCase = upperCase;\n    lodash.upperFirst = upperFirst;\n\n    // Add aliases.\n    lodash.each = forEach;\n    lodash.eachRight = forEachRight;\n    lodash.first = head;\n\n    mixin(lodash, (function() {\n      var source = {};\n      baseForOwn(lodash, function(func, methodName) {\n        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n          source[methodName] = func;\n        }\n      });\n      return source;\n    }()), { 'chain': false });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The semantic version number.\n     *\n     * @static\n     * @memberOf _\n     * @type {string}\n     */\n    lodash.VERSION = VERSION;\n\n    // Assign default placeholders.\n    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n      lodash[methodName].placeholder = lodash;\n    });\n\n    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n    arrayEach(['drop', 'take'], function(methodName, index) {\n      LazyWrapper.prototype[methodName] = function(n) {\n        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\n        var result = (this.__filtered__ && !index)\n          ? new LazyWrapper(this)\n          : this.clone();\n\n        if (result.__filtered__) {\n          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n        } else {\n          result.__views__.push({\n            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n          });\n        }\n        return result;\n      };\n\n      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n        return this.reverse()[methodName](n).reverse();\n      };\n    });\n\n    // Add `LazyWrapper` methods that accept an `iteratee` value.\n    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n      var type = index + 1,\n          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\n      LazyWrapper.prototype[methodName] = function(iteratee) {\n        var result = this.clone();\n        result.__iteratees__.push({\n          'iteratee': getIteratee(iteratee, 3),\n          'type': type\n        });\n        result.__filtered__ = result.__filtered__ || isFilter;\n        return result;\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n    arrayEach(['head', 'last'], function(methodName, index) {\n      var takeName = 'take' + (index ? 'Right' : '');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this[takeName](1).value()[0];\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n    arrayEach(['initial', 'tail'], function(methodName, index) {\n      var dropName = 'drop' + (index ? '' : 'Right');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n      };\n    });\n\n    LazyWrapper.prototype.compact = function() {\n      return this.filter(identity);\n    };\n\n    LazyWrapper.prototype.find = function(predicate) {\n      return this.filter(predicate).head();\n    };\n\n    LazyWrapper.prototype.findLast = function(predicate) {\n      return this.reverse().find(predicate);\n    };\n\n    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n      if (typeof path == 'function') {\n        return new LazyWrapper(this);\n      }\n      return this.map(function(value) {\n        return baseInvoke(value, path, args);\n      });\n    });\n\n    LazyWrapper.prototype.reject = function(predicate) {\n      return this.filter(negate(getIteratee(predicate)));\n    };\n\n    LazyWrapper.prototype.slice = function(start, end) {\n      start = toInteger(start);\n\n      var result = this;\n      if (result.__filtered__ && (start > 0 || end < 0)) {\n        return new LazyWrapper(result);\n      }\n      if (start < 0) {\n        result = result.takeRight(-start);\n      } else if (start) {\n        result = result.drop(start);\n      }\n      if (end !== undefined) {\n        end = toInteger(end);\n        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n      }\n      return result;\n    };\n\n    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n      return this.reverse().takeWhile(predicate).reverse();\n    };\n\n    LazyWrapper.prototype.toArray = function() {\n      return this.take(MAX_ARRAY_LENGTH);\n    };\n\n    // Add `LazyWrapper` methods to `lodash.prototype`.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n          isTaker = /^(?:head|last)$/.test(methodName),\n          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n          retUnwrapped = isTaker || /^find/.test(methodName);\n\n      if (!lodashFunc) {\n        return;\n      }\n      lodash.prototype[methodName] = function() {\n        var value = this.__wrapped__,\n            args = isTaker ? [1] : arguments,\n            isLazy = value instanceof LazyWrapper,\n            iteratee = args[0],\n            useLazy = isLazy || isArray(value);\n\n        var interceptor = function(value) {\n          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n          return (isTaker && chainAll) ? result[0] : result;\n        };\n\n        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n          isLazy = useLazy = false;\n        }\n        var chainAll = this.__chain__,\n            isHybrid = !!this.__actions__.length,\n            isUnwrapped = retUnwrapped && !chainAll,\n            onlyLazy = isLazy && !isHybrid;\n\n        if (!retUnwrapped && useLazy) {\n          value = onlyLazy ? value : new LazyWrapper(this);\n          var result = func.apply(value, args);\n          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n          return new LodashWrapper(result, chainAll);\n        }\n        if (isUnwrapped && onlyLazy) {\n          return func.apply(this, args);\n        }\n        result = this.thru(interceptor);\n        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n      };\n    });\n\n    // Add `Array` methods to `lodash.prototype`.\n    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n      var func = arrayProto[methodName],\n          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\n      lodash.prototype[methodName] = function() {\n        var args = arguments;\n        if (retUnwrapped && !this.__chain__) {\n          var value = this.value();\n          return func.apply(isArray(value) ? value : [], args);\n        }\n        return this[chainName](function(value) {\n          return func.apply(isArray(value) ? value : [], args);\n        });\n      };\n    });\n\n    // Map minified method names to their real names.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var lodashFunc = lodash[methodName];\n      if (lodashFunc) {\n        var key = (lodashFunc.name + ''),\n            names = realNames[key] || (realNames[key] = []);\n\n        names.push({ 'name': methodName, 'func': lodashFunc });\n      }\n    });\n\n    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n      'name': 'wrapper',\n      'func': undefined\n    }];\n\n    // Add methods to `LazyWrapper`.\n    LazyWrapper.prototype.clone = lazyClone;\n    LazyWrapper.prototype.reverse = lazyReverse;\n    LazyWrapper.prototype.value = lazyValue;\n\n    // Add chain sequence methods to the `lodash` wrapper.\n    lodash.prototype.at = wrapperAt;\n    lodash.prototype.chain = wrapperChain;\n    lodash.prototype.commit = wrapperCommit;\n    lodash.prototype.next = wrapperNext;\n    lodash.prototype.plant = wrapperPlant;\n    lodash.prototype.reverse = wrapperReverse;\n    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\n    // Add lazy aliases.\n    lodash.prototype.first = lodash.prototype.head;\n\n    if (symIterator) {\n      lodash.prototype[symIterator] = wrapperToIterator;\n    }\n    return lodash;\n  });\n\n  /*--------------------------------------------------------------------------*/\n\n  // Export lodash.\n  var _ = runInContext();\n\n  // Some AMD build optimizers, like r.js, check for condition patterns like:\n  if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {\n    // Expose Lodash on the global object to prevent errors when Lodash is\n    // loaded by a script tag in the presence of an AMD loader.\n    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n    // Use `_.noConflict` to remove Lodash from the global object.\n    root._ = _;\n\n    // Define as an anonymous module so, through path mapping, it can be\n    // referenced as the \"underscore\" module.\n    define(function() {\n      return _;\n    });\n  }\n  // Check for `exports` after `define` in case a build optimizer adds it.\n  else if (freeModule) {\n    // Export for Node.js.\n    (freeModule.exports = _)._ = _;\n    // Export for CommonJS support.\n    freeExports._ = _;\n  }\n  else {\n    // Export to the global object.\n    root._ = _;\n  }\n}.call(this));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-checkbox/~/lodash/lodash.js\n// module id = 106\n// module chunks = 0","module.exports = { \"default\": require(\"core-js/library/fn/object/define-property\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/babel-runtime/core-js/object/define-property.js\n// module id = 107\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nexports.default = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/babel-runtime/helpers/classCallCheck.js\n// module id = 108\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nvar _defineProperty = require(\"../core-js/object/define-property\");\n\nvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function () {\n  function defineProperties(target, props) {\n    for (var i = 0; i < props.length; i++) {\n      var descriptor = props[i];\n      descriptor.enumerable = descriptor.enumerable || false;\n      descriptor.configurable = true;\n      if (\"value\" in descriptor) descriptor.writable = true;\n      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n    }\n  }\n\n  return function (Constructor, protoProps, staticProps) {\n    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n    if (staticProps) defineProperties(Constructor, staticProps);\n    return Constructor;\n  };\n}();\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/babel-runtime/helpers/createClass.js\n// module id = 109\n// module chunks = 0","require('../../modules/es6.object.define-property');\nvar $Object = require('../../modules/_core').Object;\nmodule.exports = function defineProperty(it, key, desc) {\n  return $Object.defineProperty(it, key, desc);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/core-js/library/fn/object/define-property.js\n// module id = 110\n// module chunks = 0","module.exports = function (it) {\n  if (typeof it != 'function') throw TypeError(it + ' is not a function!');\n  return it;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/core-js/library/modules/_a-function.js\n// module id = 111\n// module chunks = 0","var isObject = require('./_is-object');\nmodule.exports = function (it) {\n  if (!isObject(it)) throw TypeError(it + ' is not an object!');\n  return it;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/core-js/library/modules/_an-object.js\n// module id = 112\n// module chunks = 0","// optional / simple context binding\nvar aFunction = require('./_a-function');\nmodule.exports = function (fn, that, length) {\n  aFunction(fn);\n  if (that === undefined) return fn;\n  switch (length) {\n    case 1: return function (a) {\n      return fn.call(that, a);\n    };\n    case 2: return function (a, b) {\n      return fn.call(that, a, b);\n    };\n    case 3: return function (a, b, c) {\n      return fn.call(that, a, b, c);\n    };\n  }\n  return function (/* ...args */) {\n    return fn.apply(that, arguments);\n  };\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/core-js/library/modules/_ctx.js\n// module id = 113\n// module chunks = 0","var isObject = require('./_is-object');\nvar document = require('./_global').document;\n// typeof document.createElement is 'object' in old IE\nvar is = isObject(document) && isObject(document.createElement);\nmodule.exports = function (it) {\n  return is ? document.createElement(it) : {};\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/core-js/library/modules/_dom-create.js\n// module id = 114\n// module chunks = 0","var global = require('./_global');\nvar core = require('./_core');\nvar ctx = require('./_ctx');\nvar hide = require('./_hide');\nvar PROTOTYPE = 'prototype';\n\nvar $export = function (type, name, source) {\n  var IS_FORCED = type & $export.F;\n  var IS_GLOBAL = type & $export.G;\n  var IS_STATIC = type & $export.S;\n  var IS_PROTO = type & $export.P;\n  var IS_BIND = type & $export.B;\n  var IS_WRAP = type & $export.W;\n  var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});\n  var expProto = exports[PROTOTYPE];\n  var target = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE];\n  var key, own, out;\n  if (IS_GLOBAL) source = name;\n  for (key in source) {\n    // contains in native\n    own = !IS_FORCED && target && target[key] !== undefined;\n    if (own && key in exports) continue;\n    // export native or passed\n    out = own ? target[key] : source[key];\n    // prevent global pollution for namespaces\n    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n    // bind timers to global for call from export context\n    : IS_BIND && own ? ctx(out, global)\n    // wrap global constructors for prevent change them in library\n    : IS_WRAP && target[key] == out ? (function (C) {\n      var F = function (a, b, c) {\n        if (this instanceof C) {\n          switch (arguments.length) {\n            case 0: return new C();\n            case 1: return new C(a);\n            case 2: return new C(a, b);\n          } return new C(a, b, c);\n        } return C.apply(this, arguments);\n      };\n      F[PROTOTYPE] = C[PROTOTYPE];\n      return F;\n    // make static versions for prototype methods\n    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n    if (IS_PROTO) {\n      (exports.virtual || (exports.virtual = {}))[key] = out;\n      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n      if (type & $export.R && expProto && !expProto[key]) hide(expProto, key, out);\n    }\n  }\n};\n// type bitmap\n$export.F = 1;   // forced\n$export.G = 2;   // global\n$export.S = 4;   // static\n$export.P = 8;   // proto\n$export.B = 16;  // bind\n$export.W = 32;  // wrap\n$export.U = 64;  // safe\n$export.R = 128; // real proto method for `library`\nmodule.exports = $export;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/core-js/library/modules/_export.js\n// module id = 115\n// module chunks = 0","var dP = require('./_object-dp');\nvar createDesc = require('./_property-desc');\nmodule.exports = require('./_descriptors') ? function (object, key, value) {\n  return dP.f(object, key, createDesc(1, value));\n} : function (object, key, value) {\n  object[key] = value;\n  return object;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/core-js/library/modules/_hide.js\n// module id = 116\n// module chunks = 0","module.exports = !require('./_descriptors') && !require('./_fails')(function () {\n  return Object.defineProperty(require('./_dom-create')('div'), 'a', { get: function () { return 7; } }).a != 7;\n});\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/core-js/library/modules/_ie8-dom-define.js\n// module id = 117\n// module chunks = 0","module.exports = function (bitmap, value) {\n  return {\n    enumerable: !(bitmap & 1),\n    configurable: !(bitmap & 2),\n    writable: !(bitmap & 4),\n    value: value\n  };\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/core-js/library/modules/_property-desc.js\n// module id = 118\n// module chunks = 0","// 7.1.1 ToPrimitive(input [, PreferredType])\nvar isObject = require('./_is-object');\n// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n// and the second argument - flag - preferred type is a string\nmodule.exports = function (it, S) {\n  if (!isObject(it)) return it;\n  var fn, val;\n  if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n  if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;\n  if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n  throw TypeError(\"Can't convert object to primitive value\");\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/core-js/library/modules/_to-primitive.js\n// module id = 119\n// module chunks = 0","var $export = require('./_export');\n// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n$export($export.S + $export.F * !require('./_descriptors'), 'Object', { defineProperty: require('./_object-dp').f });\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/core-js/library/modules/es6.object.define-property.js\n// module id = 120\n// module chunks = 0","/**\n * @license\n * Lodash <https://lodash.com/>\n * Copyright JS Foundation and other contributors <https://js.foundation/>\n * Released under MIT license <https://lodash.com/license>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n  var undefined;\n\n  /** Used as the semantic version number. */\n  var VERSION = '4.17.4';\n\n  /** Used as the size to enable large array optimizations. */\n  var LARGE_ARRAY_SIZE = 200;\n\n  /** Error message constants. */\n  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n      FUNC_ERROR_TEXT = 'Expected a function';\n\n  /** Used to stand-in for `undefined` hash values. */\n  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n  /** Used as the maximum memoize cache size. */\n  var MAX_MEMOIZE_SIZE = 500;\n\n  /** Used as the internal argument placeholder. */\n  var PLACEHOLDER = '__lodash_placeholder__';\n\n  /** Used to compose bitmasks for cloning. */\n  var CLONE_DEEP_FLAG = 1,\n      CLONE_FLAT_FLAG = 2,\n      CLONE_SYMBOLS_FLAG = 4;\n\n  /** Used to compose bitmasks for value comparisons. */\n  var COMPARE_PARTIAL_FLAG = 1,\n      COMPARE_UNORDERED_FLAG = 2;\n\n  /** Used to compose bitmasks for function metadata. */\n  var WRAP_BIND_FLAG = 1,\n      WRAP_BIND_KEY_FLAG = 2,\n      WRAP_CURRY_BOUND_FLAG = 4,\n      WRAP_CURRY_FLAG = 8,\n      WRAP_CURRY_RIGHT_FLAG = 16,\n      WRAP_PARTIAL_FLAG = 32,\n      WRAP_PARTIAL_RIGHT_FLAG = 64,\n      WRAP_ARY_FLAG = 128,\n      WRAP_REARG_FLAG = 256,\n      WRAP_FLIP_FLAG = 512;\n\n  /** Used as default options for `_.truncate`. */\n  var DEFAULT_TRUNC_LENGTH = 30,\n      DEFAULT_TRUNC_OMISSION = '...';\n\n  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n  var HOT_COUNT = 800,\n      HOT_SPAN = 16;\n\n  /** Used to indicate the type of lazy iteratees. */\n  var LAZY_FILTER_FLAG = 1,\n      LAZY_MAP_FLAG = 2,\n      LAZY_WHILE_FLAG = 3;\n\n  /** Used as references for various `Number` constants. */\n  var INFINITY = 1 / 0,\n      MAX_SAFE_INTEGER = 9007199254740991,\n      MAX_INTEGER = 1.7976931348623157e+308,\n      NAN = 0 / 0;\n\n  /** Used as references for the maximum length and index of an array. */\n  var MAX_ARRAY_LENGTH = 4294967295,\n      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n  /** Used to associate wrap methods with their bit flags. */\n  var wrapFlags = [\n    ['ary', WRAP_ARY_FLAG],\n    ['bind', WRAP_BIND_FLAG],\n    ['bindKey', WRAP_BIND_KEY_FLAG],\n    ['curry', WRAP_CURRY_FLAG],\n    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n    ['flip', WRAP_FLIP_FLAG],\n    ['partial', WRAP_PARTIAL_FLAG],\n    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n    ['rearg', WRAP_REARG_FLAG]\n  ];\n\n  /** `Object#toString` result references. */\n  var argsTag = '[object Arguments]',\n      arrayTag = '[object Array]',\n      asyncTag = '[object AsyncFunction]',\n      boolTag = '[object Boolean]',\n      dateTag = '[object Date]',\n      domExcTag = '[object DOMException]',\n      errorTag = '[object Error]',\n      funcTag = '[object Function]',\n      genTag = '[object GeneratorFunction]',\n      mapTag = '[object Map]',\n      numberTag = '[object Number]',\n      nullTag = '[object Null]',\n      objectTag = '[object Object]',\n      promiseTag = '[object Promise]',\n      proxyTag = '[object Proxy]',\n      regexpTag = '[object RegExp]',\n      setTag = '[object Set]',\n      stringTag = '[object String]',\n      symbolTag = '[object Symbol]',\n      undefinedTag = '[object Undefined]',\n      weakMapTag = '[object WeakMap]',\n      weakSetTag = '[object WeakSet]';\n\n  var arrayBufferTag = '[object ArrayBuffer]',\n      dataViewTag = '[object DataView]',\n      float32Tag = '[object Float32Array]',\n      float64Tag = '[object Float64Array]',\n      int8Tag = '[object Int8Array]',\n      int16Tag = '[object Int16Array]',\n      int32Tag = '[object Int32Array]',\n      uint8Tag = '[object Uint8Array]',\n      uint8ClampedTag = '[object Uint8ClampedArray]',\n      uint16Tag = '[object Uint16Array]',\n      uint32Tag = '[object Uint32Array]';\n\n  /** Used to match empty string literals in compiled template source. */\n  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n  /** Used to match HTML entities and HTML characters. */\n  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n      reUnescapedHtml = /[&<>\"']/g,\n      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n  /** Used to match template delimiters. */\n  var reEscape = /<%-([\\s\\S]+?)%>/g,\n      reEvaluate = /<%([\\s\\S]+?)%>/g,\n      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n  /** Used to match property names within property paths. */\n  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n      reIsPlainProp = /^\\w*$/,\n      reLeadingDot = /^\\./,\n      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n  /**\n   * Used to match `RegExp`\n   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n   */\n  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n      reHasRegExpChar = RegExp(reRegExpChar.source);\n\n  /** Used to match leading and trailing whitespace. */\n  var reTrim = /^\\s+|\\s+$/g,\n      reTrimStart = /^\\s+/,\n      reTrimEnd = /\\s+$/;\n\n  /** Used to match wrap detail comments. */\n  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n      reSplitDetails = /,? & /;\n\n  /** Used to match words composed of alphanumeric characters. */\n  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n  /** Used to match backslashes in property paths. */\n  var reEscapeChar = /\\\\(\\\\)?/g;\n\n  /**\n   * Used to match\n   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n   */\n  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n  /** Used to match `RegExp` flags from their coerced string values. */\n  var reFlags = /\\w*$/;\n\n  /** Used to detect bad signed hexadecimal string values. */\n  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n  /** Used to detect binary string values. */\n  var reIsBinary = /^0b[01]+$/i;\n\n  /** Used to detect host constructors (Safari). */\n  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n  /** Used to detect octal string values. */\n  var reIsOctal = /^0o[0-7]+$/i;\n\n  /** Used to detect unsigned integer values. */\n  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n  /** Used to ensure capturing order of template delimiters. */\n  var reNoMatch = /($^)/;\n\n  /** Used to match unescaped characters in compiled string literals. */\n  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n  /** Used to compose unicode character classes. */\n  var rsAstralRange = '\\\\ud800-\\\\udfff',\n      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n  /** Used to compose unicode capture groups. */\n  var rsApos = \"['\\u2019]\",\n      rsAstral = '[' + rsAstralRange + ']',\n      rsBreak = '[' + rsBreakRange + ']',\n      rsCombo = '[' + rsComboRange + ']',\n      rsDigits = '\\\\d+',\n      rsDingbat = '[' + rsDingbatRange + ']',\n      rsLower = '[' + rsLowerRange + ']',\n      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n      rsNonAstral = '[^' + rsAstralRange + ']',\n      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n      rsUpper = '[' + rsUpperRange + ']',\n      rsZWJ = '\\\\u200d';\n\n  /** Used to compose unicode regexes. */\n  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n      reOptMod = rsModifier + '?',\n      rsOptVar = '[' + rsVarRange + ']?',\n      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n  /** Used to match apostrophes. */\n  var reApos = RegExp(rsApos, 'g');\n\n  /**\n   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n   */\n  var reComboMark = RegExp(rsCombo, 'g');\n\n  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n  /** Used to match complex or compound words. */\n  var reUnicodeWord = RegExp([\n    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n    rsUpper + '+' + rsOptContrUpper,\n    rsOrdUpper,\n    rsOrdLower,\n    rsDigits,\n    rsEmoji\n  ].join('|'), 'g');\n\n  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\n  /** Used to detect strings that need a more robust regexp to match words. */\n  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n  /** Used to assign default `context` object properties. */\n  var contextProps = [\n    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n  ];\n\n  /** Used to make template sourceURLs easier to identify. */\n  var templateCounter = -1;\n\n  /** Used to identify `toStringTag` values of typed arrays. */\n  var typedArrayTags = {};\n  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n  typedArrayTags[uint32Tag] = true;\n  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n  typedArrayTags[weakMapTag] = false;\n\n  /** Used to identify `toStringTag` values supported by `_.clone`. */\n  var cloneableTags = {};\n  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n  cloneableTags[boolTag] = cloneableTags[dateTag] =\n  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n  cloneableTags[numberTag] = cloneableTags[objectTag] =\n  cloneableTags[regexpTag] = cloneableTags[setTag] =\n  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n  cloneableTags[errorTag] = cloneableTags[funcTag] =\n  cloneableTags[weakMapTag] = false;\n\n  /** Used to map Latin Unicode letters to basic Latin letters. */\n  var deburredLetters = {\n    // Latin-1 Supplement block.\n    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n    '\\xc7': 'C',  '\\xe7': 'c',\n    '\\xd0': 'D',  '\\xf0': 'd',\n    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n    '\\xd1': 'N',  '\\xf1': 'n',\n    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n    '\\xc6': 'Ae', '\\xe6': 'ae',\n    '\\xde': 'Th', '\\xfe': 'th',\n    '\\xdf': 'ss',\n    // Latin Extended-A block.\n    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n    '\\u0134': 'J',  '\\u0135': 'j',\n    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n    '\\u0174': 'W',  '\\u0175': 'w',\n    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n    '\\u0132': 'IJ', '\\u0133': 'ij',\n    '\\u0152': 'Oe', '\\u0153': 'oe',\n    '\\u0149': \"'n\", '\\u017f': 's'\n  };\n\n  /** Used to map characters to HTML entities. */\n  var htmlEscapes = {\n    '&': '&amp;',\n    '<': '&lt;',\n    '>': '&gt;',\n    '\"': '&quot;',\n    \"'\": '&#39;'\n  };\n\n  /** Used to map HTML entities to characters. */\n  var htmlUnescapes = {\n    '&amp;': '&',\n    '&lt;': '<',\n    '&gt;': '>',\n    '&quot;': '\"',\n    '&#39;': \"'\"\n  };\n\n  /** Used to escape characters for inclusion in compiled string literals. */\n  var stringEscapes = {\n    '\\\\': '\\\\',\n    \"'\": \"'\",\n    '\\n': 'n',\n    '\\r': 'r',\n    '\\u2028': 'u2028',\n    '\\u2029': 'u2029'\n  };\n\n  /** Built-in method references without a dependency on `root`. */\n  var freeParseFloat = parseFloat,\n      freeParseInt = parseInt;\n\n  /** Detect free variable `global` from Node.js. */\n  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n  /** Detect free variable `self`. */\n  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n  /** Used as a reference to the global object. */\n  var root = freeGlobal || freeSelf || Function('return this')();\n\n  /** Detect free variable `exports`. */\n  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n  /** Detect free variable `module`. */\n  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n  /** Detect the popular CommonJS extension `module.exports`. */\n  var moduleExports = freeModule && freeModule.exports === freeExports;\n\n  /** Detect free variable `process` from Node.js. */\n  var freeProcess = moduleExports && freeGlobal.process;\n\n  /** Used to access faster Node.js helpers. */\n  var nodeUtil = (function() {\n    try {\n      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n    } catch (e) {}\n  }());\n\n  /* Node.js helper references. */\n  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n      nodeIsDate = nodeUtil && nodeUtil.isDate,\n      nodeIsMap = nodeUtil && nodeUtil.isMap,\n      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n      nodeIsSet = nodeUtil && nodeUtil.isSet,\n      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Adds the key-value `pair` to `map`.\n   *\n   * @private\n   * @param {Object} map The map to modify.\n   * @param {Array} pair The key-value pair to add.\n   * @returns {Object} Returns `map`.\n   */\n  function addMapEntry(map, pair) {\n    // Don't return `map.set` because it's not chainable in IE 11.\n    map.set(pair[0], pair[1]);\n    return map;\n  }\n\n  /**\n   * Adds `value` to `set`.\n   *\n   * @private\n   * @param {Object} set The set to modify.\n   * @param {*} value The value to add.\n   * @returns {Object} Returns `set`.\n   */\n  function addSetEntry(set, value) {\n    // Don't return `set.add` because it's not chainable in IE 11.\n    set.add(value);\n    return set;\n  }\n\n  /**\n   * A faster alternative to `Function#apply`, this function invokes `func`\n   * with the `this` binding of `thisArg` and the arguments of `args`.\n   *\n   * @private\n   * @param {Function} func The function to invoke.\n   * @param {*} thisArg The `this` binding of `func`.\n   * @param {Array} args The arguments to invoke `func` with.\n   * @returns {*} Returns the result of `func`.\n   */\n  function apply(func, thisArg, args) {\n    switch (args.length) {\n      case 0: return func.call(thisArg);\n      case 1: return func.call(thisArg, args[0]);\n      case 2: return func.call(thisArg, args[0], args[1]);\n      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n    }\n    return func.apply(thisArg, args);\n  }\n\n  /**\n   * A specialized version of `baseAggregator` for arrays.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} setter The function to set `accumulator` values.\n   * @param {Function} iteratee The iteratee to transform keys.\n   * @param {Object} accumulator The initial aggregated object.\n   * @returns {Function} Returns `accumulator`.\n   */\n  function arrayAggregator(array, setter, iteratee, accumulator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      var value = array[index];\n      setter(accumulator, value, iteratee(value), array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.forEach` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEach(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (iteratee(array[index], index, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.forEachRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEachRight(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n\n    while (length--) {\n      if (iteratee(array[length], length, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.every` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n   *  else `false`.\n   */\n  function arrayEvery(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (!predicate(array[index], index, array)) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * A specialized version of `_.filter` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {Array} Returns the new filtered array.\n   */\n  function arrayFilter(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (predicate(value, index, array)) {\n        result[resIndex++] = value;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.includes` for arrays without support for\n   * specifying an index to search from.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludes(array, value) {\n    var length = array == null ? 0 : array.length;\n    return !!length && baseIndexOf(array, value, 0) > -1;\n  }\n\n  /**\n   * This function is like `arrayIncludes` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludesWith(array, value, comparator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (comparator(value, array[index])) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * A specialized version of `_.map` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the new mapped array.\n   */\n  function arrayMap(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        result = Array(length);\n\n    while (++index < length) {\n      result[index] = iteratee(array[index], index, array);\n    }\n    return result;\n  }\n\n  /**\n   * Appends the elements of `values` to `array`.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {Array} values The values to append.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayPush(array, values) {\n    var index = -1,\n        length = values.length,\n        offset = array.length;\n\n    while (++index < length) {\n      array[offset + index] = values[index];\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.reduce` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the first element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduce(array, iteratee, accumulator, initAccum) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    if (initAccum && length) {\n      accumulator = array[++index];\n    }\n    while (++index < length) {\n      accumulator = iteratee(accumulator, array[index], index, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.reduceRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the last element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n    var length = array == null ? 0 : array.length;\n    if (initAccum && length) {\n      accumulator = array[--length];\n    }\n    while (length--) {\n      accumulator = iteratee(accumulator, array[length], length, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.some` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if any element passes the predicate check,\n   *  else `false`.\n   */\n  function arraySome(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (predicate(array[index], index, array)) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * Gets the size of an ASCII `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  var asciiSize = baseProperty('length');\n\n  /**\n   * Converts an ASCII `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function asciiToArray(string) {\n    return string.split('');\n  }\n\n  /**\n   * Splits an ASCII `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function asciiWords(string) {\n    return string.match(reAsciiWord) || [];\n  }\n\n  /**\n   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n   * without support for iteratee shorthands, which iterates over `collection`\n   * using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the found element or its key, else `undefined`.\n   */\n  function baseFindKey(collection, predicate, eachFunc) {\n    var result;\n    eachFunc(collection, function(value, key, collection) {\n      if (predicate(value, key, collection)) {\n        result = key;\n        return false;\n      }\n    });\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n   * support for iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {number} fromIndex The index to search from.\n   * @param {boolean} [fromRight] Specify iterating from right to left.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n    var length = array.length,\n        index = fromIndex + (fromRight ? 1 : -1);\n\n    while ((fromRight ? index-- : ++index < length)) {\n      if (predicate(array[index], index, array)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOf(array, value, fromIndex) {\n    return value === value\n      ? strictIndexOf(array, value, fromIndex)\n      : baseFindIndex(array, baseIsNaN, fromIndex);\n  }\n\n  /**\n   * This function is like `baseIndexOf` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOfWith(array, value, fromIndex, comparator) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (comparator(array[index], value)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.isNaN` without support for number objects.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n   */\n  function baseIsNaN(value) {\n    return value !== value;\n  }\n\n  /**\n   * The base implementation of `_.mean` and `_.meanBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the mean.\n   */\n  function baseMean(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n    return length ? (baseSum(array, iteratee) / length) : NAN;\n  }\n\n  /**\n   * The base implementation of `_.property` without support for deep paths.\n   *\n   * @private\n   * @param {string} key The key of the property to get.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function baseProperty(key) {\n    return function(object) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.propertyOf` without support for deep paths.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function basePropertyOf(object) {\n    return function(key) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} accumulator The initial value.\n   * @param {boolean} initAccum Specify using the first or last element of\n   *  `collection` as the initial value.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the accumulated value.\n   */\n  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n    eachFunc(collection, function(value, index, collection) {\n      accumulator = initAccum\n        ? (initAccum = false, value)\n        : iteratee(accumulator, value, index, collection);\n    });\n    return accumulator;\n  }\n\n  /**\n   * The base implementation of `_.sortBy` which uses `comparer` to define the\n   * sort order of `array` and replaces criteria objects with their corresponding\n   * values.\n   *\n   * @private\n   * @param {Array} array The array to sort.\n   * @param {Function} comparer The function to define sort order.\n   * @returns {Array} Returns `array`.\n   */\n  function baseSortBy(array, comparer) {\n    var length = array.length;\n\n    array.sort(comparer);\n    while (length--) {\n      array[length] = array[length].value;\n    }\n    return array;\n  }\n\n  /**\n   * The base implementation of `_.sum` and `_.sumBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the sum.\n   */\n  function baseSum(array, iteratee) {\n    var result,\n        index = -1,\n        length = array.length;\n\n    while (++index < length) {\n      var current = iteratee(array[index]);\n      if (current !== undefined) {\n        result = result === undefined ? current : (result + current);\n      }\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.times` without support for iteratee shorthands\n   * or max array length checks.\n   *\n   * @private\n   * @param {number} n The number of times to invoke `iteratee`.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the array of results.\n   */\n  function baseTimes(n, iteratee) {\n    var index = -1,\n        result = Array(n);\n\n    while (++index < n) {\n      result[index] = iteratee(index);\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n   * of key-value pairs for `object` corresponding to the property names of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the key-value pairs.\n   */\n  function baseToPairs(object, props) {\n    return arrayMap(props, function(key) {\n      return [key, object[key]];\n    });\n  }\n\n  /**\n   * The base implementation of `_.unary` without support for storing metadata.\n   *\n   * @private\n   * @param {Function} func The function to cap arguments for.\n   * @returns {Function} Returns the new capped function.\n   */\n  function baseUnary(func) {\n    return function(value) {\n      return func(value);\n    };\n  }\n\n  /**\n   * The base implementation of `_.values` and `_.valuesIn` which creates an\n   * array of `object` property values corresponding to the property names\n   * of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the array of property values.\n   */\n  function baseValues(object, props) {\n    return arrayMap(props, function(key) {\n      return object[key];\n    });\n  }\n\n  /**\n   * Checks if a `cache` value for `key` exists.\n   *\n   * @private\n   * @param {Object} cache The cache to query.\n   * @param {string} key The key of the entry to check.\n   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n   */\n  function cacheHas(cache, key) {\n    return cache.has(key);\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the first unmatched string symbol.\n   */\n  function charsStartIndex(strSymbols, chrSymbols) {\n    var index = -1,\n        length = strSymbols.length;\n\n    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the last unmatched string symbol.\n   */\n  function charsEndIndex(strSymbols, chrSymbols) {\n    var index = strSymbols.length;\n\n    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Gets the number of `placeholder` occurrences in `array`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} placeholder The placeholder to search for.\n   * @returns {number} Returns the placeholder count.\n   */\n  function countHolders(array, placeholder) {\n    var length = array.length,\n        result = 0;\n\n    while (length--) {\n      if (array[length] === placeholder) {\n        ++result;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n   * letters to basic Latin letters.\n   *\n   * @private\n   * @param {string} letter The matched letter to deburr.\n   * @returns {string} Returns the deburred letter.\n   */\n  var deburrLetter = basePropertyOf(deburredLetters);\n\n  /**\n   * Used by `_.escape` to convert characters to HTML entities.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n  /**\n   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  function escapeStringChar(chr) {\n    return '\\\\' + stringEscapes[chr];\n  }\n\n  /**\n   * Gets the value at `key` of `object`.\n   *\n   * @private\n   * @param {Object} [object] The object to query.\n   * @param {string} key The key of the property to get.\n   * @returns {*} Returns the property value.\n   */\n  function getValue(object, key) {\n    return object == null ? undefined : object[key];\n  }\n\n  /**\n   * Checks if `string` contains Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n   */\n  function hasUnicode(string) {\n    return reHasUnicode.test(string);\n  }\n\n  /**\n   * Checks if `string` contains a word composed of Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a word is found, else `false`.\n   */\n  function hasUnicodeWord(string) {\n    return reHasUnicodeWord.test(string);\n  }\n\n  /**\n   * Converts `iterator` to an array.\n   *\n   * @private\n   * @param {Object} iterator The iterator to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function iteratorToArray(iterator) {\n    var data,\n        result = [];\n\n    while (!(data = iterator.next()).done) {\n      result.push(data.value);\n    }\n    return result;\n  }\n\n  /**\n   * Converts `map` to its key-value pairs.\n   *\n   * @private\n   * @param {Object} map The map to convert.\n   * @returns {Array} Returns the key-value pairs.\n   */\n  function mapToArray(map) {\n    var index = -1,\n        result = Array(map.size);\n\n    map.forEach(function(value, key) {\n      result[++index] = [key, value];\n    });\n    return result;\n  }\n\n  /**\n   * Creates a unary function that invokes `func` with its argument transformed.\n   *\n   * @private\n   * @param {Function} func The function to wrap.\n   * @param {Function} transform The argument transform.\n   * @returns {Function} Returns the new function.\n   */\n  function overArg(func, transform) {\n    return function(arg) {\n      return func(transform(arg));\n    };\n  }\n\n  /**\n   * Replaces all `placeholder` elements in `array` with an internal placeholder\n   * and returns an array of their indexes.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {*} placeholder The placeholder to replace.\n   * @returns {Array} Returns the new array of placeholder indexes.\n   */\n  function replaceHolders(array, placeholder) {\n    var index = -1,\n        length = array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (value === placeholder || value === PLACEHOLDER) {\n        array[index] = PLACEHOLDER;\n        result[resIndex++] = index;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Converts `set` to an array of its values.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the values.\n   */\n  function setToArray(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = value;\n    });\n    return result;\n  }\n\n  /**\n   * Converts `set` to its value-value pairs.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the value-value pairs.\n   */\n  function setToPairs(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = [value, value];\n    });\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.indexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictIndexOf(array, value, fromIndex) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * A specialized version of `_.lastIndexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictLastIndexOf(array, value, fromIndex) {\n    var index = fromIndex + 1;\n    while (index--) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return index;\n  }\n\n  /**\n   * Gets the number of symbols in `string`.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {number} Returns the string size.\n   */\n  function stringSize(string) {\n    return hasUnicode(string)\n      ? unicodeSize(string)\n      : asciiSize(string);\n  }\n\n  /**\n   * Converts `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function stringToArray(string) {\n    return hasUnicode(string)\n      ? unicodeToArray(string)\n      : asciiToArray(string);\n  }\n\n  /**\n   * Used by `_.unescape` to convert HTML entities to characters.\n   *\n   * @private\n   * @param {string} chr The matched character to unescape.\n   * @returns {string} Returns the unescaped character.\n   */\n  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n  /**\n   * Gets the size of a Unicode `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  function unicodeSize(string) {\n    var result = reUnicode.lastIndex = 0;\n    while (reUnicode.test(string)) {\n      ++result;\n    }\n    return result;\n  }\n\n  /**\n   * Converts a Unicode `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function unicodeToArray(string) {\n    return string.match(reUnicode) || [];\n  }\n\n  /**\n   * Splits a Unicode `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function unicodeWords(string) {\n    return string.match(reUnicodeWord) || [];\n  }\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Create a new pristine `lodash` function using the `context` object.\n   *\n   * @static\n   * @memberOf _\n   * @since 1.1.0\n   * @category Util\n   * @param {Object} [context=root] The context object.\n   * @returns {Function} Returns a new `lodash` function.\n   * @example\n   *\n   * _.mixin({ 'foo': _.constant('foo') });\n   *\n   * var lodash = _.runInContext();\n   * lodash.mixin({ 'bar': lodash.constant('bar') });\n   *\n   * _.isFunction(_.foo);\n   * // => true\n   * _.isFunction(_.bar);\n   * // => false\n   *\n   * lodash.isFunction(lodash.foo);\n   * // => false\n   * lodash.isFunction(lodash.bar);\n   * // => true\n   *\n   * // Create a suped-up `defer` in Node.js.\n   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n   */\n  var runInContext = (function runInContext(context) {\n    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n    /** Built-in constructor references. */\n    var Array = context.Array,\n        Date = context.Date,\n        Error = context.Error,\n        Function = context.Function,\n        Math = context.Math,\n        Object = context.Object,\n        RegExp = context.RegExp,\n        String = context.String,\n        TypeError = context.TypeError;\n\n    /** Used for built-in method references. */\n    var arrayProto = Array.prototype,\n        funcProto = Function.prototype,\n        objectProto = Object.prototype;\n\n    /** Used to detect overreaching core-js shims. */\n    var coreJsData = context['__core-js_shared__'];\n\n    /** Used to resolve the decompiled source of functions. */\n    var funcToString = funcProto.toString;\n\n    /** Used to check objects for own properties. */\n    var hasOwnProperty = objectProto.hasOwnProperty;\n\n    /** Used to generate unique IDs. */\n    var idCounter = 0;\n\n    /** Used to detect methods masquerading as native. */\n    var maskSrcKey = (function() {\n      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n      return uid ? ('Symbol(src)_1.' + uid) : '';\n    }());\n\n    /**\n     * Used to resolve the\n     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n     * of values.\n     */\n    var nativeObjectToString = objectProto.toString;\n\n    /** Used to infer the `Object` constructor. */\n    var objectCtorString = funcToString.call(Object);\n\n    /** Used to restore the original `_` reference in `_.noConflict`. */\n    var oldDash = root._;\n\n    /** Used to detect if a method is native. */\n    var reIsNative = RegExp('^' +\n      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n    );\n\n    /** Built-in value references. */\n    var Buffer = moduleExports ? context.Buffer : undefined,\n        Symbol = context.Symbol,\n        Uint8Array = context.Uint8Array,\n        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n        getPrototype = overArg(Object.getPrototypeOf, Object),\n        objectCreate = Object.create,\n        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n        splice = arrayProto.splice,\n        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n        symIterator = Symbol ? Symbol.iterator : undefined,\n        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n    var defineProperty = (function() {\n      try {\n        var func = getNative(Object, 'defineProperty');\n        func({}, '', {});\n        return func;\n      } catch (e) {}\n    }());\n\n    /** Mocked built-ins. */\n    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n    /* Built-in method references for those with the same name as other `lodash` methods. */\n    var nativeCeil = Math.ceil,\n        nativeFloor = Math.floor,\n        nativeGetSymbols = Object.getOwnPropertySymbols,\n        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n        nativeIsFinite = context.isFinite,\n        nativeJoin = arrayProto.join,\n        nativeKeys = overArg(Object.keys, Object),\n        nativeMax = Math.max,\n        nativeMin = Math.min,\n        nativeNow = Date.now,\n        nativeParseInt = context.parseInt,\n        nativeRandom = Math.random,\n        nativeReverse = arrayProto.reverse;\n\n    /* Built-in method references that are verified to be native. */\n    var DataView = getNative(context, 'DataView'),\n        Map = getNative(context, 'Map'),\n        Promise = getNative(context, 'Promise'),\n        Set = getNative(context, 'Set'),\n        WeakMap = getNative(context, 'WeakMap'),\n        nativeCreate = getNative(Object, 'create');\n\n    /** Used to store function metadata. */\n    var metaMap = WeakMap && new WeakMap;\n\n    /** Used to lookup unminified function names. */\n    var realNames = {};\n\n    /** Used to detect maps, sets, and weakmaps. */\n    var dataViewCtorString = toSource(DataView),\n        mapCtorString = toSource(Map),\n        promiseCtorString = toSource(Promise),\n        setCtorString = toSource(Set),\n        weakMapCtorString = toSource(WeakMap);\n\n    /** Used to convert symbols to primitives and strings. */\n    var symbolProto = Symbol ? Symbol.prototype : undefined,\n        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` object which wraps `value` to enable implicit method\n     * chain sequences. Methods that operate on and return arrays, collections,\n     * and functions can be chained together. Methods that retrieve a single value\n     * or may return a primitive value will automatically end the chain sequence\n     * and return the unwrapped value. Otherwise, the value must be unwrapped\n     * with `_#value`.\n     *\n     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n     * enabled using `_.chain`.\n     *\n     * The execution of chained methods is lazy, that is, it's deferred until\n     * `_#value` is implicitly or explicitly called.\n     *\n     * Lazy evaluation allows several methods to support shortcut fusion.\n     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n     * the creation of intermediate arrays and can greatly reduce the number of\n     * iteratee executions. Sections of a chain sequence qualify for shortcut\n     * fusion if the section is applied to an array and iteratees accept only\n     * one argument. The heuristic for whether a section qualifies for shortcut\n     * fusion is subject to change.\n     *\n     * Chaining is supported in custom builds as long as the `_#value` method is\n     * directly or indirectly included in the build.\n     *\n     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n     *\n     * The wrapper `Array` methods are:\n     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n     *\n     * The wrapper `String` methods are:\n     * `replace` and `split`\n     *\n     * The wrapper methods that support shortcut fusion are:\n     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n     *\n     * The chainable wrapper methods are:\n     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n     * `zipObject`, `zipObjectDeep`, and `zipWith`\n     *\n     * The wrapper methods that are **not** chainable by default are:\n     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n     * `upperFirst`, `value`, and `words`\n     *\n     * @name _\n     * @constructor\n     * @category Seq\n     * @param {*} value The value to wrap in a `lodash` instance.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2, 3]);\n     *\n     * // Returns an unwrapped value.\n     * wrapped.reduce(_.add);\n     * // => 6\n     *\n     * // Returns a wrapped value.\n     * var squares = wrapped.map(square);\n     *\n     * _.isArray(squares);\n     * // => false\n     *\n     * _.isArray(squares.value());\n     * // => true\n     */\n    function lodash(value) {\n      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n        if (value instanceof LodashWrapper) {\n          return value;\n        }\n        if (hasOwnProperty.call(value, '__wrapped__')) {\n          return wrapperClone(value);\n        }\n      }\n      return new LodashWrapper(value);\n    }\n\n    /**\n     * The base implementation of `_.create` without support for assigning\n     * properties to the created object.\n     *\n     * @private\n     * @param {Object} proto The object to inherit from.\n     * @returns {Object} Returns the new object.\n     */\n    var baseCreate = (function() {\n      function object() {}\n      return function(proto) {\n        if (!isObject(proto)) {\n          return {};\n        }\n        if (objectCreate) {\n          return objectCreate(proto);\n        }\n        object.prototype = proto;\n        var result = new object;\n        object.prototype = undefined;\n        return result;\n      };\n    }());\n\n    /**\n     * The function whose prototype chain sequence wrappers inherit from.\n     *\n     * @private\n     */\n    function baseLodash() {\n      // No operation performed.\n    }\n\n    /**\n     * The base constructor for creating `lodash` wrapper objects.\n     *\n     * @private\n     * @param {*} value The value to wrap.\n     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n     */\n    function LodashWrapper(value, chainAll) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__chain__ = !!chainAll;\n      this.__index__ = 0;\n      this.__values__ = undefined;\n    }\n\n    /**\n     * By default, the template delimiters used by lodash are like those in\n     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n     * following template settings to use alternative delimiters.\n     *\n     * @static\n     * @memberOf _\n     * @type {Object}\n     */\n    lodash.templateSettings = {\n\n      /**\n       * Used to detect `data` property values to be HTML-escaped.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'escape': reEscape,\n\n      /**\n       * Used to detect code to be evaluated.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'evaluate': reEvaluate,\n\n      /**\n       * Used to detect `data` property values to inject.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'interpolate': reInterpolate,\n\n      /**\n       * Used to reference the data object in the template text.\n       *\n       * @memberOf _.templateSettings\n       * @type {string}\n       */\n      'variable': '',\n\n      /**\n       * Used to import variables into the compiled template.\n       *\n       * @memberOf _.templateSettings\n       * @type {Object}\n       */\n      'imports': {\n\n        /**\n         * A reference to the `lodash` function.\n         *\n         * @memberOf _.templateSettings.imports\n         * @type {Function}\n         */\n        '_': lodash\n      }\n    };\n\n    // Ensure wrappers are instances of `baseLodash`.\n    lodash.prototype = baseLodash.prototype;\n    lodash.prototype.constructor = lodash;\n\n    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n    LodashWrapper.prototype.constructor = LodashWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n     *\n     * @private\n     * @constructor\n     * @param {*} value The value to wrap.\n     */\n    function LazyWrapper(value) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__dir__ = 1;\n      this.__filtered__ = false;\n      this.__iteratees__ = [];\n      this.__takeCount__ = MAX_ARRAY_LENGTH;\n      this.__views__ = [];\n    }\n\n    /**\n     * Creates a clone of the lazy wrapper object.\n     *\n     * @private\n     * @name clone\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the cloned `LazyWrapper` object.\n     */\n    function lazyClone() {\n      var result = new LazyWrapper(this.__wrapped__);\n      result.__actions__ = copyArray(this.__actions__);\n      result.__dir__ = this.__dir__;\n      result.__filtered__ = this.__filtered__;\n      result.__iteratees__ = copyArray(this.__iteratees__);\n      result.__takeCount__ = this.__takeCount__;\n      result.__views__ = copyArray(this.__views__);\n      return result;\n    }\n\n    /**\n     * Reverses the direction of lazy iteration.\n     *\n     * @private\n     * @name reverse\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n     */\n    function lazyReverse() {\n      if (this.__filtered__) {\n        var result = new LazyWrapper(this);\n        result.__dir__ = -1;\n        result.__filtered__ = true;\n      } else {\n        result = this.clone();\n        result.__dir__ *= -1;\n      }\n      return result;\n    }\n\n    /**\n     * Extracts the unwrapped value from its lazy wrapper.\n     *\n     * @private\n     * @name value\n     * @memberOf LazyWrapper\n     * @returns {*} Returns the unwrapped value.\n     */\n    function lazyValue() {\n      var array = this.__wrapped__.value(),\n          dir = this.__dir__,\n          isArr = isArray(array),\n          isRight = dir < 0,\n          arrLength = isArr ? array.length : 0,\n          view = getView(0, arrLength, this.__views__),\n          start = view.start,\n          end = view.end,\n          length = end - start,\n          index = isRight ? end : (start - 1),\n          iteratees = this.__iteratees__,\n          iterLength = iteratees.length,\n          resIndex = 0,\n          takeCount = nativeMin(length, this.__takeCount__);\n\n      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n        return baseWrapperValue(array, this.__actions__);\n      }\n      var result = [];\n\n      outer:\n      while (length-- && resIndex < takeCount) {\n        index += dir;\n\n        var iterIndex = -1,\n            value = array[index];\n\n        while (++iterIndex < iterLength) {\n          var data = iteratees[iterIndex],\n              iteratee = data.iteratee,\n              type = data.type,\n              computed = iteratee(value);\n\n          if (type == LAZY_MAP_FLAG) {\n            value = computed;\n          } else if (!computed) {\n            if (type == LAZY_FILTER_FLAG) {\n              continue outer;\n            } else {\n              break outer;\n            }\n          }\n        }\n        result[resIndex++] = value;\n      }\n      return result;\n    }\n\n    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n    LazyWrapper.prototype.constructor = LazyWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a hash object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Hash(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the hash.\n     *\n     * @private\n     * @name clear\n     * @memberOf Hash\n     */\n    function hashClear() {\n      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the hash.\n     *\n     * @private\n     * @name delete\n     * @memberOf Hash\n     * @param {Object} hash The hash to modify.\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function hashDelete(key) {\n      var result = this.has(key) && delete this.__data__[key];\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the hash value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Hash\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function hashGet(key) {\n      var data = this.__data__;\n      if (nativeCreate) {\n        var result = data[key];\n        return result === HASH_UNDEFINED ? undefined : result;\n      }\n      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n    }\n\n    /**\n     * Checks if a hash value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Hash\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function hashHas(key) {\n      var data = this.__data__;\n      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n    }\n\n    /**\n     * Sets the hash `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Hash\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the hash instance.\n     */\n    function hashSet(key, value) {\n      var data = this.__data__;\n      this.size += this.has(key) ? 0 : 1;\n      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n      return this;\n    }\n\n    // Add methods to `Hash`.\n    Hash.prototype.clear = hashClear;\n    Hash.prototype['delete'] = hashDelete;\n    Hash.prototype.get = hashGet;\n    Hash.prototype.has = hashHas;\n    Hash.prototype.set = hashSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an list cache object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function ListCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the list cache.\n     *\n     * @private\n     * @name clear\n     * @memberOf ListCache\n     */\n    function listCacheClear() {\n      this.__data__ = [];\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the list cache.\n     *\n     * @private\n     * @name delete\n     * @memberOf ListCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function listCacheDelete(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        return false;\n      }\n      var lastIndex = data.length - 1;\n      if (index == lastIndex) {\n        data.pop();\n      } else {\n        splice.call(data, index, 1);\n      }\n      --this.size;\n      return true;\n    }\n\n    /**\n     * Gets the list cache value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf ListCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function listCacheGet(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      return index < 0 ? undefined : data[index][1];\n    }\n\n    /**\n     * Checks if a list cache value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf ListCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function listCacheHas(key) {\n      return assocIndexOf(this.__data__, key) > -1;\n    }\n\n    /**\n     * Sets the list cache `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf ListCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the list cache instance.\n     */\n    function listCacheSet(key, value) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        ++this.size;\n        data.push([key, value]);\n      } else {\n        data[index][1] = value;\n      }\n      return this;\n    }\n\n    // Add methods to `ListCache`.\n    ListCache.prototype.clear = listCacheClear;\n    ListCache.prototype['delete'] = listCacheDelete;\n    ListCache.prototype.get = listCacheGet;\n    ListCache.prototype.has = listCacheHas;\n    ListCache.prototype.set = listCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a map cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function MapCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the map.\n     *\n     * @private\n     * @name clear\n     * @memberOf MapCache\n     */\n    function mapCacheClear() {\n      this.size = 0;\n      this.__data__ = {\n        'hash': new Hash,\n        'map': new (Map || ListCache),\n        'string': new Hash\n      };\n    }\n\n    /**\n     * Removes `key` and its value from the map.\n     *\n     * @private\n     * @name delete\n     * @memberOf MapCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function mapCacheDelete(key) {\n      var result = getMapData(this, key)['delete'](key);\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the map value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf MapCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function mapCacheGet(key) {\n      return getMapData(this, key).get(key);\n    }\n\n    /**\n     * Checks if a map value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf MapCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function mapCacheHas(key) {\n      return getMapData(this, key).has(key);\n    }\n\n    /**\n     * Sets the map `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf MapCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the map cache instance.\n     */\n    function mapCacheSet(key, value) {\n      var data = getMapData(this, key),\n          size = data.size;\n\n      data.set(key, value);\n      this.size += data.size == size ? 0 : 1;\n      return this;\n    }\n\n    // Add methods to `MapCache`.\n    MapCache.prototype.clear = mapCacheClear;\n    MapCache.prototype['delete'] = mapCacheDelete;\n    MapCache.prototype.get = mapCacheGet;\n    MapCache.prototype.has = mapCacheHas;\n    MapCache.prototype.set = mapCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     *\n     * Creates an array cache object to store unique values.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [values] The values to cache.\n     */\n    function SetCache(values) {\n      var index = -1,\n          length = values == null ? 0 : values.length;\n\n      this.__data__ = new MapCache;\n      while (++index < length) {\n        this.add(values[index]);\n      }\n    }\n\n    /**\n     * Adds `value` to the array cache.\n     *\n     * @private\n     * @name add\n     * @memberOf SetCache\n     * @alias push\n     * @param {*} value The value to cache.\n     * @returns {Object} Returns the cache instance.\n     */\n    function setCacheAdd(value) {\n      this.__data__.set(value, HASH_UNDEFINED);\n      return this;\n    }\n\n    /**\n     * Checks if `value` is in the array cache.\n     *\n     * @private\n     * @name has\n     * @memberOf SetCache\n     * @param {*} value The value to search for.\n     * @returns {number} Returns `true` if `value` is found, else `false`.\n     */\n    function setCacheHas(value) {\n      return this.__data__.has(value);\n    }\n\n    // Add methods to `SetCache`.\n    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n    SetCache.prototype.has = setCacheHas;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a stack cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Stack(entries) {\n      var data = this.__data__ = new ListCache(entries);\n      this.size = data.size;\n    }\n\n    /**\n     * Removes all key-value entries from the stack.\n     *\n     * @private\n     * @name clear\n     * @memberOf Stack\n     */\n    function stackClear() {\n      this.__data__ = new ListCache;\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the stack.\n     *\n     * @private\n     * @name delete\n     * @memberOf Stack\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function stackDelete(key) {\n      var data = this.__data__,\n          result = data['delete'](key);\n\n      this.size = data.size;\n      return result;\n    }\n\n    /**\n     * Gets the stack value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Stack\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function stackGet(key) {\n      return this.__data__.get(key);\n    }\n\n    /**\n     * Checks if a stack value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Stack\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function stackHas(key) {\n      return this.__data__.has(key);\n    }\n\n    /**\n     * Sets the stack `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Stack\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the stack cache instance.\n     */\n    function stackSet(key, value) {\n      var data = this.__data__;\n      if (data instanceof ListCache) {\n        var pairs = data.__data__;\n        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n          pairs.push([key, value]);\n          this.size = ++data.size;\n          return this;\n        }\n        data = this.__data__ = new MapCache(pairs);\n      }\n      data.set(key, value);\n      this.size = data.size;\n      return this;\n    }\n\n    // Add methods to `Stack`.\n    Stack.prototype.clear = stackClear;\n    Stack.prototype['delete'] = stackDelete;\n    Stack.prototype.get = stackGet;\n    Stack.prototype.has = stackHas;\n    Stack.prototype.set = stackSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of the enumerable property names of the array-like `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @param {boolean} inherited Specify returning inherited property names.\n     * @returns {Array} Returns the array of property names.\n     */\n    function arrayLikeKeys(value, inherited) {\n      var isArr = isArray(value),\n          isArg = !isArr && isArguments(value),\n          isBuff = !isArr && !isArg && isBuffer(value),\n          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n          skipIndexes = isArr || isArg || isBuff || isType,\n          result = skipIndexes ? baseTimes(value.length, String) : [],\n          length = result.length;\n\n      for (var key in value) {\n        if ((inherited || hasOwnProperty.call(value, key)) &&\n            !(skipIndexes && (\n               // Safari 9 has enumerable `arguments.length` in strict mode.\n               key == 'length' ||\n               // Node.js 0.10 has enumerable non-index properties on buffers.\n               (isBuff && (key == 'offset' || key == 'parent')) ||\n               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n               // Skip index properties.\n               isIndex(key, length)\n            ))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `_.sample` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @returns {*} Returns the random element.\n     */\n    function arraySample(array) {\n      var length = array.length;\n      return length ? array[baseRandom(0, length - 1)] : undefined;\n    }\n\n    /**\n     * A specialized version of `_.sampleSize` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function arraySampleSize(array, n) {\n      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * A specialized version of `_.shuffle` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function arrayShuffle(array) {\n      return shuffleSelf(copyArray(array));\n    }\n\n    /**\n     * This function is like `assignValue` except that it doesn't assign\n     * `undefined` values.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignMergeValue(object, key, value) {\n      if ((value !== undefined && !eq(object[key], value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignValue(object, key, value) {\n      var objValue = object[key];\n      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Gets the index at which the `key` is found in `array` of key-value pairs.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {*} key The key to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     */\n    function assocIndexOf(array, key) {\n      var length = array.length;\n      while (length--) {\n        if (eq(array[length][0], key)) {\n          return length;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * Aggregates elements of `collection` on `accumulator` with keys transformed\n     * by `iteratee` and values set by `setter`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform keys.\n     * @param {Object} accumulator The initial aggregated object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseAggregator(collection, setter, iteratee, accumulator) {\n      baseEach(collection, function(value, key, collection) {\n        setter(accumulator, value, iteratee(value), collection);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.assign` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssign(object, source) {\n      return object && copyObject(source, keys(source), object);\n    }\n\n    /**\n     * The base implementation of `_.assignIn` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssignIn(object, source) {\n      return object && copyObject(source, keysIn(source), object);\n    }\n\n    /**\n     * The base implementation of `assignValue` and `assignMergeValue` without\n     * value checks.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function baseAssignValue(object, key, value) {\n      if (key == '__proto__' && defineProperty) {\n        defineProperty(object, key, {\n          'configurable': true,\n          'enumerable': true,\n          'value': value,\n          'writable': true\n        });\n      } else {\n        object[key] = value;\n      }\n    }\n\n    /**\n     * The base implementation of `_.at` without support for individual paths.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Array} Returns the picked elements.\n     */\n    function baseAt(object, paths) {\n      var index = -1,\n          length = paths.length,\n          result = Array(length),\n          skip = object == null;\n\n      while (++index < length) {\n        result[index] = skip ? undefined : get(object, paths[index]);\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.clamp` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     */\n    function baseClamp(number, lower, upper) {\n      if (number === number) {\n        if (upper !== undefined) {\n          number = number <= upper ? number : upper;\n        }\n        if (lower !== undefined) {\n          number = number >= lower ? number : lower;\n        }\n      }\n      return number;\n    }\n\n    /**\n     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n     * traversed objects.\n     *\n     * @private\n     * @param {*} value The value to clone.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Deep clone\n     *  2 - Flatten inherited properties\n     *  4 - Clone symbols\n     * @param {Function} [customizer] The function to customize cloning.\n     * @param {string} [key] The key of `value`.\n     * @param {Object} [object] The parent object of `value`.\n     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n     * @returns {*} Returns the cloned value.\n     */\n    function baseClone(value, bitmask, customizer, key, object, stack) {\n      var result,\n          isDeep = bitmask & CLONE_DEEP_FLAG,\n          isFlat = bitmask & CLONE_FLAT_FLAG,\n          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n      if (customizer) {\n        result = object ? customizer(value, key, object, stack) : customizer(value);\n      }\n      if (result !== undefined) {\n        return result;\n      }\n      if (!isObject(value)) {\n        return value;\n      }\n      var isArr = isArray(value);\n      if (isArr) {\n        result = initCloneArray(value);\n        if (!isDeep) {\n          return copyArray(value, result);\n        }\n      } else {\n        var tag = getTag(value),\n            isFunc = tag == funcTag || tag == genTag;\n\n        if (isBuffer(value)) {\n          return cloneBuffer(value, isDeep);\n        }\n        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n          if (!isDeep) {\n            return isFlat\n              ? copySymbolsIn(value, baseAssignIn(result, value))\n              : copySymbols(value, baseAssign(result, value));\n          }\n        } else {\n          if (!cloneableTags[tag]) {\n            return object ? value : {};\n          }\n          result = initCloneByTag(value, tag, baseClone, isDeep);\n        }\n      }\n      // Check for circular references and return its corresponding clone.\n      stack || (stack = new Stack);\n      var stacked = stack.get(value);\n      if (stacked) {\n        return stacked;\n      }\n      stack.set(value, result);\n\n      var keysFunc = isFull\n        ? (isFlat ? getAllKeysIn : getAllKeys)\n        : (isFlat ? keysIn : keys);\n\n      var props = isArr ? undefined : keysFunc(value);\n      arrayEach(props || value, function(subValue, key) {\n        if (props) {\n          key = subValue;\n          subValue = value[key];\n        }\n        // Recursively populate clone (susceptible to call stack limits).\n        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.conforms` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseConforms(source) {\n      var props = keys(source);\n      return function(object) {\n        return baseConformsTo(object, source, props);\n      };\n    }\n\n    /**\n     * The base implementation of `_.conformsTo` which accepts `props` to check.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     */\n    function baseConformsTo(object, source, props) {\n      var length = props.length;\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (length--) {\n        var key = props[length],\n            predicate = source[key],\n            value = object[key];\n\n        if ((value === undefined && !(key in object)) || !predicate(value)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n     * to provide to `func`.\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {Array} args The arguments to provide to `func`.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    function baseDelay(func, wait, args) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return setTimeout(function() { func.apply(undefined, args); }, wait);\n    }\n\n    /**\n     * The base implementation of methods like `_.difference` without support\n     * for excluding multiple arrays or iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Array} values The values to exclude.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     */\n    function baseDifference(array, values, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          isCommon = true,\n          length = array.length,\n          result = [],\n          valuesLength = values.length;\n\n      if (!length) {\n        return result;\n      }\n      if (iteratee) {\n        values = arrayMap(values, baseUnary(iteratee));\n      }\n      if (comparator) {\n        includes = arrayIncludesWith;\n        isCommon = false;\n      }\n      else if (values.length >= LARGE_ARRAY_SIZE) {\n        includes = cacheHas;\n        isCommon = false;\n        values = new SetCache(values);\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee == null ? value : iteratee(value);\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var valuesIndex = valuesLength;\n          while (valuesIndex--) {\n            if (values[valuesIndex] === computed) {\n              continue outer;\n            }\n          }\n          result.push(value);\n        }\n        else if (!includes(values, computed, comparator)) {\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.forEach` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEach = createBaseEach(baseForOwn);\n\n    /**\n     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n    /**\n     * The base implementation of `_.every` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`\n     */\n    function baseEvery(collection, predicate) {\n      var result = true;\n      baseEach(collection, function(value, index, collection) {\n        result = !!predicate(value, index, collection);\n        return result;\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of methods like `_.max` and `_.min` which accepts a\n     * `comparator` to determine the extremum value.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The iteratee invoked per iteration.\n     * @param {Function} comparator The comparator used to compare values.\n     * @returns {*} Returns the extremum value.\n     */\n    function baseExtremum(array, iteratee, comparator) {\n      var index = -1,\n          length = array.length;\n\n      while (++index < length) {\n        var value = array[index],\n            current = iteratee(value);\n\n        if (current != null && (computed === undefined\n              ? (current === current && !isSymbol(current))\n              : comparator(current, computed)\n            )) {\n          var computed = current,\n              result = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.fill` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     */\n    function baseFill(array, value, start, end) {\n      var length = array.length;\n\n      start = toInteger(start);\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = (end === undefined || end > length) ? length : toInteger(end);\n      if (end < 0) {\n        end += length;\n      }\n      end = start > end ? 0 : toLength(end);\n      while (start < end) {\n        array[start++] = value;\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.filter` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     */\n    function baseFilter(collection, predicate) {\n      var result = [];\n      baseEach(collection, function(value, index, collection) {\n        if (predicate(value, index, collection)) {\n          result.push(value);\n        }\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.flatten` with support for restricting flattening.\n     *\n     * @private\n     * @param {Array} array The array to flatten.\n     * @param {number} depth The maximum recursion depth.\n     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n     * @param {Array} [result=[]] The initial result value.\n     * @returns {Array} Returns the new flattened array.\n     */\n    function baseFlatten(array, depth, predicate, isStrict, result) {\n      var index = -1,\n          length = array.length;\n\n      predicate || (predicate = isFlattenable);\n      result || (result = []);\n\n      while (++index < length) {\n        var value = array[index];\n        if (depth > 0 && predicate(value)) {\n          if (depth > 1) {\n            // Recursively flatten arrays (susceptible to call stack limits).\n            baseFlatten(value, depth - 1, predicate, isStrict, result);\n          } else {\n            arrayPush(result, value);\n          }\n        } else if (!isStrict) {\n          result[result.length] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `baseForOwn` which iterates over `object`\n     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseFor = createBaseFor();\n\n    /**\n     * This function is like `baseFor` except that it iterates over properties\n     * in the opposite order.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseForRight = createBaseFor(true);\n\n    /**\n     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwn(object, iteratee) {\n      return object && baseFor(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwnRight(object, iteratee) {\n      return object && baseForRight(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.functions` which creates an array of\n     * `object` function property names filtered from `props`.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Array} props The property names to filter.\n     * @returns {Array} Returns the function names.\n     */\n    function baseFunctions(object, props) {\n      return arrayFilter(props, function(key) {\n        return isFunction(object[key]);\n      });\n    }\n\n    /**\n     * The base implementation of `_.get` without support for default values.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseGet(object, path) {\n      path = castPath(path, object);\n\n      var index = 0,\n          length = path.length;\n\n      while (object != null && index < length) {\n        object = object[toKey(path[index++])];\n      }\n      return (index && index == length) ? object : undefined;\n    }\n\n    /**\n     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n      var result = keysFunc(object);\n      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n    }\n\n    /**\n     * The base implementation of `getTag` without fallbacks for buggy environments.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    function baseGetTag(value) {\n      if (value == null) {\n        return value === undefined ? undefinedTag : nullTag;\n      }\n      return (symToStringTag && symToStringTag in Object(value))\n        ? getRawTag(value)\n        : objectToString(value);\n    }\n\n    /**\n     * The base implementation of `_.gt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     */\n    function baseGt(value, other) {\n      return value > other;\n    }\n\n    /**\n     * The base implementation of `_.has` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHas(object, key) {\n      return object != null && hasOwnProperty.call(object, key);\n    }\n\n    /**\n     * The base implementation of `_.hasIn` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHasIn(object, key) {\n      return object != null && key in Object(object);\n    }\n\n    /**\n     * The base implementation of `_.inRange` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to check.\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     */\n    function baseInRange(number, start, end) {\n      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n    }\n\n    /**\n     * The base implementation of methods like `_.intersection`, without support\n     * for iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of shared values.\n     */\n    function baseIntersection(arrays, iteratee, comparator) {\n      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n          length = arrays[0].length,\n          othLength = arrays.length,\n          othIndex = othLength,\n          caches = Array(othLength),\n          maxLength = Infinity,\n          result = [];\n\n      while (othIndex--) {\n        var array = arrays[othIndex];\n        if (othIndex && iteratee) {\n          array = arrayMap(array, baseUnary(iteratee));\n        }\n        maxLength = nativeMin(array.length, maxLength);\n        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n          ? new SetCache(othIndex && array)\n          : undefined;\n      }\n      array = arrays[0];\n\n      var index = -1,\n          seen = caches[0];\n\n      outer:\n      while (++index < length && result.length < maxLength) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (!(seen\n              ? cacheHas(seen, computed)\n              : includes(result, computed, comparator)\n            )) {\n          othIndex = othLength;\n          while (--othIndex) {\n            var cache = caches[othIndex];\n            if (!(cache\n                  ? cacheHas(cache, computed)\n                  : includes(arrays[othIndex], computed, comparator))\n                ) {\n              continue outer;\n            }\n          }\n          if (seen) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.invert` and `_.invertBy` which inverts\n     * `object` with values transformed by `iteratee` and set by `setter`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform values.\n     * @param {Object} accumulator The initial inverted object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseInverter(object, setter, iteratee, accumulator) {\n      baseForOwn(object, function(value, key, object) {\n        setter(accumulator, iteratee(value), key, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.invoke` without support for individual\n     * method arguments.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {Array} args The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     */\n    function baseInvoke(object, path, args) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      var func = object == null ? object : object[toKey(last(path))];\n      return func == null ? undefined : apply(func, object, args);\n    }\n\n    /**\n     * The base implementation of `_.isArguments`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     */\n    function baseIsArguments(value) {\n      return isObjectLike(value) && baseGetTag(value) == argsTag;\n    }\n\n    /**\n     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     */\n    function baseIsArrayBuffer(value) {\n      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n    }\n\n    /**\n     * The base implementation of `_.isDate` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     */\n    function baseIsDate(value) {\n      return isObjectLike(value) && baseGetTag(value) == dateTag;\n    }\n\n    /**\n     * The base implementation of `_.isEqual` which supports partial comparisons\n     * and tracks traversed objects.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Unordered comparison\n     *  2 - Partial comparison\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     */\n    function baseIsEqual(value, other, bitmask, customizer, stack) {\n      if (value === other) {\n        return true;\n      }\n      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n        return value !== value && other !== other;\n      }\n      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n    }\n\n    /**\n     * A specialized version of `baseIsEqual` for arrays and objects which performs\n     * deep comparisons and tracks traversed objects enabling objects with circular\n     * references to be compared.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n      var objIsArr = isArray(object),\n          othIsArr = isArray(other),\n          objTag = objIsArr ? arrayTag : getTag(object),\n          othTag = othIsArr ? arrayTag : getTag(other);\n\n      objTag = objTag == argsTag ? objectTag : objTag;\n      othTag = othTag == argsTag ? objectTag : othTag;\n\n      var objIsObj = objTag == objectTag,\n          othIsObj = othTag == objectTag,\n          isSameTag = objTag == othTag;\n\n      if (isSameTag && isBuffer(object)) {\n        if (!isBuffer(other)) {\n          return false;\n        }\n        objIsArr = true;\n        objIsObj = false;\n      }\n      if (isSameTag && !objIsObj) {\n        stack || (stack = new Stack);\n        return (objIsArr || isTypedArray(object))\n          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n      }\n      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n        if (objIsWrapped || othIsWrapped) {\n          var objUnwrapped = objIsWrapped ? object.value() : object,\n              othUnwrapped = othIsWrapped ? other.value() : other;\n\n          stack || (stack = new Stack);\n          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n        }\n      }\n      if (!isSameTag) {\n        return false;\n      }\n      stack || (stack = new Stack);\n      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n    }\n\n    /**\n     * The base implementation of `_.isMap` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     */\n    function baseIsMap(value) {\n      return isObjectLike(value) && getTag(value) == mapTag;\n    }\n\n    /**\n     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Array} matchData The property names, values, and compare flags to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     */\n    function baseIsMatch(object, source, matchData, customizer) {\n      var index = matchData.length,\n          length = index,\n          noCustomizer = !customizer;\n\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (index--) {\n        var data = matchData[index];\n        if ((noCustomizer && data[2])\n              ? data[1] !== object[data[0]]\n              : !(data[0] in object)\n            ) {\n          return false;\n        }\n      }\n      while (++index < length) {\n        data = matchData[index];\n        var key = data[0],\n            objValue = object[key],\n            srcValue = data[1];\n\n        if (noCustomizer && data[2]) {\n          if (objValue === undefined && !(key in object)) {\n            return false;\n          }\n        } else {\n          var stack = new Stack;\n          if (customizer) {\n            var result = customizer(objValue, srcValue, key, object, source, stack);\n          }\n          if (!(result === undefined\n                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n                : result\n              )) {\n            return false;\n          }\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.isNative` without bad shim checks.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     */\n    function baseIsNative(value) {\n      if (!isObject(value) || isMasked(value)) {\n        return false;\n      }\n      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n      return pattern.test(toSource(value));\n    }\n\n    /**\n     * The base implementation of `_.isRegExp` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     */\n    function baseIsRegExp(value) {\n      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n    }\n\n    /**\n     * The base implementation of `_.isSet` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     */\n    function baseIsSet(value) {\n      return isObjectLike(value) && getTag(value) == setTag;\n    }\n\n    /**\n     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     */\n    function baseIsTypedArray(value) {\n      return isObjectLike(value) &&\n        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n    }\n\n    /**\n     * The base implementation of `_.iteratee`.\n     *\n     * @private\n     * @param {*} [value=_.identity] The value to convert to an iteratee.\n     * @returns {Function} Returns the iteratee.\n     */\n    function baseIteratee(value) {\n      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n      if (typeof value == 'function') {\n        return value;\n      }\n      if (value == null) {\n        return identity;\n      }\n      if (typeof value == 'object') {\n        return isArray(value)\n          ? baseMatchesProperty(value[0], value[1])\n          : baseMatches(value);\n      }\n      return property(value);\n    }\n\n    /**\n     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeys(object) {\n      if (!isPrototype(object)) {\n        return nativeKeys(object);\n      }\n      var result = [];\n      for (var key in Object(object)) {\n        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeysIn(object) {\n      if (!isObject(object)) {\n        return nativeKeysIn(object);\n      }\n      var isProto = isPrototype(object),\n          result = [];\n\n      for (var key in object) {\n        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.lt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     */\n    function baseLt(value, other) {\n      return value < other;\n    }\n\n    /**\n     * The base implementation of `_.map` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     */\n    function baseMap(collection, iteratee) {\n      var index = -1,\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value, key, collection) {\n        result[++index] = iteratee(value, key, collection);\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.matches` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatches(source) {\n      var matchData = getMatchData(source);\n      if (matchData.length == 1 && matchData[0][2]) {\n        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n      }\n      return function(object) {\n        return object === source || baseIsMatch(object, source, matchData);\n      };\n    }\n\n    /**\n     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n     *\n     * @private\n     * @param {string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatchesProperty(path, srcValue) {\n      if (isKey(path) && isStrictComparable(srcValue)) {\n        return matchesStrictComparable(toKey(path), srcValue);\n      }\n      return function(object) {\n        var objValue = get(object, path);\n        return (objValue === undefined && objValue === srcValue)\n          ? hasIn(object, path)\n          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n      };\n    }\n\n    /**\n     * The base implementation of `_.merge` without support for multiple sources.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} [customizer] The function to customize merged values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMerge(object, source, srcIndex, customizer, stack) {\n      if (object === source) {\n        return;\n      }\n      baseFor(source, function(srcValue, key) {\n        if (isObject(srcValue)) {\n          stack || (stack = new Stack);\n          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n        }\n        else {\n          var newValue = customizer\n            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n            : undefined;\n\n          if (newValue === undefined) {\n            newValue = srcValue;\n          }\n          assignMergeValue(object, key, newValue);\n        }\n      }, keysIn);\n    }\n\n    /**\n     * A specialized version of `baseMerge` for arrays and objects which performs\n     * deep merges and tracks traversed objects enabling objects with circular\n     * references to be merged.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {string} key The key of the value to merge.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} mergeFunc The function to merge values.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n      var objValue = object[key],\n          srcValue = source[key],\n          stacked = stack.get(srcValue);\n\n      if (stacked) {\n        assignMergeValue(object, key, stacked);\n        return;\n      }\n      var newValue = customizer\n        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n        : undefined;\n\n      var isCommon = newValue === undefined;\n\n      if (isCommon) {\n        var isArr = isArray(srcValue),\n            isBuff = !isArr && isBuffer(srcValue),\n            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n        newValue = srcValue;\n        if (isArr || isBuff || isTyped) {\n          if (isArray(objValue)) {\n            newValue = objValue;\n          }\n          else if (isArrayLikeObject(objValue)) {\n            newValue = copyArray(objValue);\n          }\n          else if (isBuff) {\n            isCommon = false;\n            newValue = cloneBuffer(srcValue, true);\n          }\n          else if (isTyped) {\n            isCommon = false;\n            newValue = cloneTypedArray(srcValue, true);\n          }\n          else {\n            newValue = [];\n          }\n        }\n        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n          newValue = objValue;\n          if (isArguments(objValue)) {\n            newValue = toPlainObject(objValue);\n          }\n          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n            newValue = initCloneObject(srcValue);\n          }\n        }\n        else {\n          isCommon = false;\n        }\n      }\n      if (isCommon) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, newValue);\n        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n        stack['delete'](srcValue);\n      }\n      assignMergeValue(object, key, newValue);\n    }\n\n    /**\n     * The base implementation of `_.nth` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {number} n The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     */\n    function baseNth(array, n) {\n      var length = array.length;\n      if (!length) {\n        return;\n      }\n      n += n < 0 ? length : 0;\n      return isIndex(n, length) ? array[n] : undefined;\n    }\n\n    /**\n     * The base implementation of `_.orderBy` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n     * @param {string[]} orders The sort orders of `iteratees`.\n     * @returns {Array} Returns the new sorted array.\n     */\n    function baseOrderBy(collection, iteratees, orders) {\n      var index = -1;\n      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\n      var result = baseMap(collection, function(value, key, collection) {\n        var criteria = arrayMap(iteratees, function(iteratee) {\n          return iteratee(value);\n        });\n        return { 'criteria': criteria, 'index': ++index, 'value': value };\n      });\n\n      return baseSortBy(result, function(object, other) {\n        return compareMultiple(object, other, orders);\n      });\n    }\n\n    /**\n     * The base implementation of `_.pick` without support for individual\n     * property identifiers.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Object} Returns the new object.\n     */\n    function basePick(object, paths) {\n      return basePickBy(object, paths, function(value, path) {\n        return hasIn(object, path);\n      });\n    }\n\n    /**\n     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @param {Function} predicate The function invoked per property.\n     * @returns {Object} Returns the new object.\n     */\n    function basePickBy(object, paths, predicate) {\n      var index = -1,\n          length = paths.length,\n          result = {};\n\n      while (++index < length) {\n        var path = paths[index],\n            value = baseGet(object, path);\n\n        if (predicate(value, path)) {\n          baseSet(result, castPath(path, object), value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseProperty` which supports deep paths.\n     *\n     * @private\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     */\n    function basePropertyDeep(path) {\n      return function(object) {\n        return baseGet(object, path);\n      };\n    }\n\n    /**\n     * The base implementation of `_.pullAllBy` without support for iteratee\n     * shorthands.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAll(array, values, iteratee, comparator) {\n      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n          index = -1,\n          length = values.length,\n          seen = array;\n\n      if (array === values) {\n        values = copyArray(values);\n      }\n      if (iteratee) {\n        seen = arrayMap(array, baseUnary(iteratee));\n      }\n      while (++index < length) {\n        var fromIndex = 0,\n            value = values[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n          if (seen !== array) {\n            splice.call(seen, fromIndex, 1);\n          }\n          splice.call(array, fromIndex, 1);\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.pullAt` without support for individual\n     * indexes or capturing the removed elements.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {number[]} indexes The indexes of elements to remove.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAt(array, indexes) {\n      var length = array ? indexes.length : 0,\n          lastIndex = length - 1;\n\n      while (length--) {\n        var index = indexes[length];\n        if (length == lastIndex || index !== previous) {\n          var previous = index;\n          if (isIndex(index)) {\n            splice.call(array, index, 1);\n          } else {\n            baseUnset(array, index);\n          }\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.random` without support for returning\n     * floating-point numbers.\n     *\n     * @private\n     * @param {number} lower The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the random number.\n     */\n    function baseRandom(lower, upper) {\n      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n    }\n\n    /**\n     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n     * coerce arguments.\n     *\n     * @private\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} step The value to increment or decrement by.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the range of numbers.\n     */\n    function baseRange(start, end, step, fromRight) {\n      var index = -1,\n          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n          result = Array(length);\n\n      while (length--) {\n        result[fromRight ? length : ++index] = start;\n        start += step;\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.repeat` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {string} string The string to repeat.\n     * @param {number} n The number of times to repeat the string.\n     * @returns {string} Returns the repeated string.\n     */\n    function baseRepeat(string, n) {\n      var result = '';\n      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n        return result;\n      }\n      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n      do {\n        if (n % 2) {\n          result += string;\n        }\n        n = nativeFloor(n / 2);\n        if (n) {\n          string += string;\n        }\n      } while (n);\n\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     */\n    function baseRest(func, start) {\n      return setToString(overRest(func, start, identity), func + '');\n    }\n\n    /**\n     * The base implementation of `_.sample`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     */\n    function baseSample(collection) {\n      return arraySample(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.sampleSize` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function baseSampleSize(collection, n) {\n      var array = values(collection);\n      return shuffleSelf(array, baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * The base implementation of `_.set`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseSet(object, path, value, customizer) {\n      if (!isObject(object)) {\n        return object;\n      }\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          lastIndex = length - 1,\n          nested = object;\n\n      while (nested != null && ++index < length) {\n        var key = toKey(path[index]),\n            newValue = value;\n\n        if (index != lastIndex) {\n          var objValue = nested[key];\n          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n          if (newValue === undefined) {\n            newValue = isObject(objValue)\n              ? objValue\n              : (isIndex(path[index + 1]) ? [] : {});\n          }\n        }\n        assignValue(nested, key, newValue);\n        nested = nested[key];\n      }\n      return object;\n    }\n\n    /**\n     * The base implementation of `setData` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetData = !metaMap ? identity : function(func, data) {\n      metaMap.set(func, data);\n      return func;\n    };\n\n    /**\n     * The base implementation of `setToString` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetToString = !defineProperty ? identity : function(func, string) {\n      return defineProperty(func, 'toString', {\n        'configurable': true,\n        'enumerable': false,\n        'value': constant(string),\n        'writable': true\n      });\n    };\n\n    /**\n     * The base implementation of `_.shuffle`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function baseShuffle(collection) {\n      return shuffleSelf(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.slice` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseSlice(array, start, end) {\n      var index = -1,\n          length = array.length;\n\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = end > length ? length : end;\n      if (end < 0) {\n        end += length;\n      }\n      length = start > end ? 0 : ((end - start) >>> 0);\n      start >>>= 0;\n\n      var result = Array(length);\n      while (++index < length) {\n        result[index] = array[index + start];\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.some` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     */\n    function baseSome(collection, predicate) {\n      var result;\n\n      baseEach(collection, function(value, index, collection) {\n        result = predicate(value, index, collection);\n        return !result;\n      });\n      return !!result;\n    }\n\n    /**\n     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n     * performs a binary search of `array` to determine the index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndex(array, value, retHighest) {\n      var low = 0,\n          high = array == null ? low : array.length;\n\n      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n        while (low < high) {\n          var mid = (low + high) >>> 1,\n              computed = array[mid];\n\n          if (computed !== null && !isSymbol(computed) &&\n              (retHighest ? (computed <= value) : (computed < value))) {\n            low = mid + 1;\n          } else {\n            high = mid;\n          }\n        }\n        return high;\n      }\n      return baseSortedIndexBy(array, value, identity, retHighest);\n    }\n\n    /**\n     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n     * which invokes `iteratee` for `value` and each element of `array` to compute\n     * their sort ranking. The iteratee is invoked with one argument; (value).\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} iteratee The iteratee invoked per element.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n      value = iteratee(value);\n\n      var low = 0,\n          high = array == null ? 0 : array.length,\n          valIsNaN = value !== value,\n          valIsNull = value === null,\n          valIsSymbol = isSymbol(value),\n          valIsUndefined = value === undefined;\n\n      while (low < high) {\n        var mid = nativeFloor((low + high) / 2),\n            computed = iteratee(array[mid]),\n            othIsDefined = computed !== undefined,\n            othIsNull = computed === null,\n            othIsReflexive = computed === computed,\n            othIsSymbol = isSymbol(computed);\n\n        if (valIsNaN) {\n          var setLow = retHighest || othIsReflexive;\n        } else if (valIsUndefined) {\n          setLow = othIsReflexive && (retHighest || othIsDefined);\n        } else if (valIsNull) {\n          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n        } else if (valIsSymbol) {\n          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n        } else if (othIsNull || othIsSymbol) {\n          setLow = false;\n        } else {\n          setLow = retHighest ? (computed <= value) : (computed < value);\n        }\n        if (setLow) {\n          low = mid + 1;\n        } else {\n          high = mid;\n        }\n      }\n      return nativeMin(high, MAX_ARRAY_INDEX);\n    }\n\n    /**\n     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n     * support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseSortedUniq(array, iteratee) {\n      var index = -1,\n          length = array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        if (!index || !eq(computed, seen)) {\n          var seen = computed;\n          result[resIndex++] = value === 0 ? 0 : value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.toNumber` which doesn't ensure correct\n     * conversions of binary, hexadecimal, or octal string values.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     */\n    function baseToNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      return +value;\n    }\n\n    /**\n     * The base implementation of `_.toString` which doesn't convert nullish\n     * values to empty strings.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {string} Returns the string.\n     */\n    function baseToString(value) {\n      // Exit early for strings to avoid a performance hit in some environments.\n      if (typeof value == 'string') {\n        return value;\n      }\n      if (isArray(value)) {\n        // Recursively convert values (susceptible to call stack limits).\n        return arrayMap(value, baseToString) + '';\n      }\n      if (isSymbol(value)) {\n        return symbolToString ? symbolToString.call(value) : '';\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseUniq(array, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          length = array.length,\n          isCommon = true,\n          result = [],\n          seen = result;\n\n      if (comparator) {\n        isCommon = false;\n        includes = arrayIncludesWith;\n      }\n      else if (length >= LARGE_ARRAY_SIZE) {\n        var set = iteratee ? null : createSet(array);\n        if (set) {\n          return setToArray(set);\n        }\n        isCommon = false;\n        includes = cacheHas;\n        seen = new SetCache;\n      }\n      else {\n        seen = iteratee ? [] : result;\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var seenIndex = seen.length;\n          while (seenIndex--) {\n            if (seen[seenIndex] === computed) {\n              continue outer;\n            }\n          }\n          if (iteratee) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n        else if (!includes(seen, computed, comparator)) {\n          if (seen !== result) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.unset`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The property path to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     */\n    function baseUnset(object, path) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      return object == null || delete object[toKey(last(path))];\n    }\n\n    /**\n     * The base implementation of `_.update`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to update.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseUpdate(object, path, updater, customizer) {\n      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n    }\n\n    /**\n     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n     * without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {Function} predicate The function invoked per iteration.\n     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseWhile(array, predicate, isDrop, fromRight) {\n      var length = array.length,\n          index = fromRight ? length : -1;\n\n      while ((fromRight ? index-- : ++index < length) &&\n        predicate(array[index], index, array)) {}\n\n      return isDrop\n        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n    }\n\n    /**\n     * The base implementation of `wrapperValue` which returns the result of\n     * performing a sequence of actions on the unwrapped `value`, where each\n     * successive action is supplied the return value of the previous.\n     *\n     * @private\n     * @param {*} value The unwrapped value.\n     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseWrapperValue(value, actions) {\n      var result = value;\n      if (result instanceof LazyWrapper) {\n        result = result.value();\n      }\n      return arrayReduce(actions, function(result, action) {\n        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n      }, result);\n    }\n\n    /**\n     * The base implementation of methods like `_.xor`, without support for\n     * iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of values.\n     */\n    function baseXor(arrays, iteratee, comparator) {\n      var length = arrays.length;\n      if (length < 2) {\n        return length ? baseUniq(arrays[0]) : [];\n      }\n      var index = -1,\n          result = Array(length);\n\n      while (++index < length) {\n        var array = arrays[index],\n            othIndex = -1;\n\n        while (++othIndex < length) {\n          if (othIndex != index) {\n            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n          }\n        }\n      }\n      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n    }\n\n    /**\n     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n     *\n     * @private\n     * @param {Array} props The property identifiers.\n     * @param {Array} values The property values.\n     * @param {Function} assignFunc The function to assign values.\n     * @returns {Object} Returns the new object.\n     */\n    function baseZipObject(props, values, assignFunc) {\n      var index = -1,\n          length = props.length,\n          valsLength = values.length,\n          result = {};\n\n      while (++index < length) {\n        var value = index < valsLength ? values[index] : undefined;\n        assignFunc(result, props[index], value);\n      }\n      return result;\n    }\n\n    /**\n     * Casts `value` to an empty array if it's not an array like object.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Array|Object} Returns the cast array-like object.\n     */\n    function castArrayLikeObject(value) {\n      return isArrayLikeObject(value) ? value : [];\n    }\n\n    /**\n     * Casts `value` to `identity` if it's not a function.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Function} Returns cast function.\n     */\n    function castFunction(value) {\n      return typeof value == 'function' ? value : identity;\n    }\n\n    /**\n     * Casts `value` to a path array if it's not one.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {Array} Returns the cast property path array.\n     */\n    function castPath(value, object) {\n      if (isArray(value)) {\n        return value;\n      }\n      return isKey(value, object) ? [value] : stringToPath(toString(value));\n    }\n\n    /**\n     * A `baseRest` alias which can be replaced with `identity` by module\n     * replacement plugins.\n     *\n     * @private\n     * @type {Function}\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    var castRest = baseRest;\n\n    /**\n     * Casts `array` to a slice if it's needed.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {number} start The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the cast slice.\n     */\n    function castSlice(array, start, end) {\n      var length = array.length;\n      end = end === undefined ? length : end;\n      return (!start && end >= length) ? array : baseSlice(array, start, end);\n    }\n\n    /**\n     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n     *\n     * @private\n     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n     */\n    var clearTimeout = ctxClearTimeout || function(id) {\n      return root.clearTimeout(id);\n    };\n\n    /**\n     * Creates a clone of  `buffer`.\n     *\n     * @private\n     * @param {Buffer} buffer The buffer to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Buffer} Returns the cloned buffer.\n     */\n    function cloneBuffer(buffer, isDeep) {\n      if (isDeep) {\n        return buffer.slice();\n      }\n      var length = buffer.length,\n          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n      buffer.copy(result);\n      return result;\n    }\n\n    /**\n     * Creates a clone of `arrayBuffer`.\n     *\n     * @private\n     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n     * @returns {ArrayBuffer} Returns the cloned array buffer.\n     */\n    function cloneArrayBuffer(arrayBuffer) {\n      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n      return result;\n    }\n\n    /**\n     * Creates a clone of `dataView`.\n     *\n     * @private\n     * @param {Object} dataView The data view to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned data view.\n     */\n    function cloneDataView(dataView, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n    }\n\n    /**\n     * Creates a clone of `map`.\n     *\n     * @private\n     * @param {Object} map The map to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned map.\n     */\n    function cloneMap(map, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n      return arrayReduce(array, addMapEntry, new map.constructor);\n    }\n\n    /**\n     * Creates a clone of `regexp`.\n     *\n     * @private\n     * @param {Object} regexp The regexp to clone.\n     * @returns {Object} Returns the cloned regexp.\n     */\n    function cloneRegExp(regexp) {\n      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n      result.lastIndex = regexp.lastIndex;\n      return result;\n    }\n\n    /**\n     * Creates a clone of `set`.\n     *\n     * @private\n     * @param {Object} set The set to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned set.\n     */\n    function cloneSet(set, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n      return arrayReduce(array, addSetEntry, new set.constructor);\n    }\n\n    /**\n     * Creates a clone of the `symbol` object.\n     *\n     * @private\n     * @param {Object} symbol The symbol object to clone.\n     * @returns {Object} Returns the cloned symbol object.\n     */\n    function cloneSymbol(symbol) {\n      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n    }\n\n    /**\n     * Creates a clone of `typedArray`.\n     *\n     * @private\n     * @param {Object} typedArray The typed array to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned typed array.\n     */\n    function cloneTypedArray(typedArray, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n    }\n\n    /**\n     * Compares values to sort them in ascending order.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {number} Returns the sort order indicator for `value`.\n     */\n    function compareAscending(value, other) {\n      if (value !== other) {\n        var valIsDefined = value !== undefined,\n            valIsNull = value === null,\n            valIsReflexive = value === value,\n            valIsSymbol = isSymbol(value);\n\n        var othIsDefined = other !== undefined,\n            othIsNull = other === null,\n            othIsReflexive = other === other,\n            othIsSymbol = isSymbol(other);\n\n        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n            (valIsNull && othIsDefined && othIsReflexive) ||\n            (!valIsDefined && othIsReflexive) ||\n            !valIsReflexive) {\n          return 1;\n        }\n        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n            (othIsNull && valIsDefined && valIsReflexive) ||\n            (!othIsDefined && valIsReflexive) ||\n            !othIsReflexive) {\n          return -1;\n        }\n      }\n      return 0;\n    }\n\n    /**\n     * Used by `_.orderBy` to compare multiple properties of a value to another\n     * and stable sort them.\n     *\n     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n     * of corresponding values.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {boolean[]|string[]} orders The order to sort by for each property.\n     * @returns {number} Returns the sort order indicator for `object`.\n     */\n    function compareMultiple(object, other, orders) {\n      var index = -1,\n          objCriteria = object.criteria,\n          othCriteria = other.criteria,\n          length = objCriteria.length,\n          ordersLength = orders.length;\n\n      while (++index < length) {\n        var result = compareAscending(objCriteria[index], othCriteria[index]);\n        if (result) {\n          if (index >= ordersLength) {\n            return result;\n          }\n          var order = orders[index];\n          return result * (order == 'desc' ? -1 : 1);\n        }\n      }\n      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n      // that causes it, under certain circumstances, to provide the same value for\n      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n      // for more details.\n      //\n      // This also ensures a stable sort in V8 and other engines.\n      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n      return object.index - other.index;\n    }\n\n    /**\n     * Creates an array that is the composition of partially applied arguments,\n     * placeholders, and provided arguments into a single array of arguments.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to prepend to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgs(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersLength = holders.length,\n          leftIndex = -1,\n          leftLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(leftLength + rangeLength),\n          isUncurried = !isCurried;\n\n      while (++leftIndex < leftLength) {\n        result[leftIndex] = partials[leftIndex];\n      }\n      while (++argsIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[holders[argsIndex]] = args[argsIndex];\n        }\n      }\n      while (rangeLength--) {\n        result[leftIndex++] = args[argsIndex++];\n      }\n      return result;\n    }\n\n    /**\n     * This function is like `composeArgs` except that the arguments composition\n     * is tailored for `_.partialRight`.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to append to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgsRight(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersIndex = -1,\n          holdersLength = holders.length,\n          rightIndex = -1,\n          rightLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(rangeLength + rightLength),\n          isUncurried = !isCurried;\n\n      while (++argsIndex < rangeLength) {\n        result[argsIndex] = args[argsIndex];\n      }\n      var offset = argsIndex;\n      while (++rightIndex < rightLength) {\n        result[offset + rightIndex] = partials[rightIndex];\n      }\n      while (++holdersIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[offset + holders[holdersIndex]] = args[argsIndex++];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Copies the values of `source` to `array`.\n     *\n     * @private\n     * @param {Array} source The array to copy values from.\n     * @param {Array} [array=[]] The array to copy values to.\n     * @returns {Array} Returns `array`.\n     */\n    function copyArray(source, array) {\n      var index = -1,\n          length = source.length;\n\n      array || (array = Array(length));\n      while (++index < length) {\n        array[index] = source[index];\n      }\n      return array;\n    }\n\n    /**\n     * Copies properties of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy properties from.\n     * @param {Array} props The property identifiers to copy.\n     * @param {Object} [object={}] The object to copy properties to.\n     * @param {Function} [customizer] The function to customize copied values.\n     * @returns {Object} Returns `object`.\n     */\n    function copyObject(source, props, object, customizer) {\n      var isNew = !object;\n      object || (object = {});\n\n      var index = -1,\n          length = props.length;\n\n      while (++index < length) {\n        var key = props[index];\n\n        var newValue = customizer\n          ? customizer(object[key], source[key], key, object, source)\n          : undefined;\n\n        if (newValue === undefined) {\n          newValue = source[key];\n        }\n        if (isNew) {\n          baseAssignValue(object, key, newValue);\n        } else {\n          assignValue(object, key, newValue);\n        }\n      }\n      return object;\n    }\n\n    /**\n     * Copies own symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbols(source, object) {\n      return copyObject(source, getSymbols(source), object);\n    }\n\n    /**\n     * Copies own and inherited symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbolsIn(source, object) {\n      return copyObject(source, getSymbolsIn(source), object);\n    }\n\n    /**\n     * Creates a function like `_.groupBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} [initializer] The accumulator object initializer.\n     * @returns {Function} Returns the new aggregator function.\n     */\n    function createAggregator(setter, initializer) {\n      return function(collection, iteratee) {\n        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n            accumulator = initializer ? initializer() : {};\n\n        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n      };\n    }\n\n    /**\n     * Creates a function like `_.assign`.\n     *\n     * @private\n     * @param {Function} assigner The function to assign values.\n     * @returns {Function} Returns the new assigner function.\n     */\n    function createAssigner(assigner) {\n      return baseRest(function(object, sources) {\n        var index = -1,\n            length = sources.length,\n            customizer = length > 1 ? sources[length - 1] : undefined,\n            guard = length > 2 ? sources[2] : undefined;\n\n        customizer = (assigner.length > 3 && typeof customizer == 'function')\n          ? (length--, customizer)\n          : undefined;\n\n        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n          customizer = length < 3 ? undefined : customizer;\n          length = 1;\n        }\n        object = Object(object);\n        while (++index < length) {\n          var source = sources[index];\n          if (source) {\n            assigner(object, source, index, customizer);\n          }\n        }\n        return object;\n      });\n    }\n\n    /**\n     * Creates a `baseEach` or `baseEachRight` function.\n     *\n     * @private\n     * @param {Function} eachFunc The function to iterate over a collection.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseEach(eachFunc, fromRight) {\n      return function(collection, iteratee) {\n        if (collection == null) {\n          return collection;\n        }\n        if (!isArrayLike(collection)) {\n          return eachFunc(collection, iteratee);\n        }\n        var length = collection.length,\n            index = fromRight ? length : -1,\n            iterable = Object(collection);\n\n        while ((fromRight ? index-- : ++index < length)) {\n          if (iteratee(iterable[index], index, iterable) === false) {\n            break;\n          }\n        }\n        return collection;\n      };\n    }\n\n    /**\n     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseFor(fromRight) {\n      return function(object, iteratee, keysFunc) {\n        var index = -1,\n            iterable = Object(object),\n            props = keysFunc(object),\n            length = props.length;\n\n        while (length--) {\n          var key = props[fromRight ? length : ++index];\n          if (iteratee(iterable[key], key, iterable) === false) {\n            break;\n          }\n        }\n        return object;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the optional `this`\n     * binding of `thisArg`.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createBind(func, bitmask, thisArg) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return fn.apply(isBind ? thisArg : this, arguments);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.lowerFirst`.\n     *\n     * @private\n     * @param {string} methodName The name of the `String` case method to use.\n     * @returns {Function} Returns the new case function.\n     */\n    function createCaseFirst(methodName) {\n      return function(string) {\n        string = toString(string);\n\n        var strSymbols = hasUnicode(string)\n          ? stringToArray(string)\n          : undefined;\n\n        var chr = strSymbols\n          ? strSymbols[0]\n          : string.charAt(0);\n\n        var trailing = strSymbols\n          ? castSlice(strSymbols, 1).join('')\n          : string.slice(1);\n\n        return chr[methodName]() + trailing;\n      };\n    }\n\n    /**\n     * Creates a function like `_.camelCase`.\n     *\n     * @private\n     * @param {Function} callback The function to combine each word.\n     * @returns {Function} Returns the new compounder function.\n     */\n    function createCompounder(callback) {\n      return function(string) {\n        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n      };\n    }\n\n    /**\n     * Creates a function that produces an instance of `Ctor` regardless of\n     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n     *\n     * @private\n     * @param {Function} Ctor The constructor to wrap.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCtor(Ctor) {\n      return function() {\n        // Use a `switch` statement to work with class constructors. See\n        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n        // for more details.\n        var args = arguments;\n        switch (args.length) {\n          case 0: return new Ctor;\n          case 1: return new Ctor(args[0]);\n          case 2: return new Ctor(args[0], args[1]);\n          case 3: return new Ctor(args[0], args[1], args[2]);\n          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n        }\n        var thisBinding = baseCreate(Ctor.prototype),\n            result = Ctor.apply(thisBinding, args);\n\n        // Mimic the constructor's `return` behavior.\n        // See https://es5.github.io/#x13.2.2 for more details.\n        return isObject(result) ? result : thisBinding;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to enable currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {number} arity The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCurry(func, bitmask, arity) {\n      var Ctor = createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length,\n            placeholder = getHolder(wrapper);\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n          ? []\n          : replaceHolders(args, placeholder);\n\n        length -= holders.length;\n        if (length < arity) {\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n            args, holders, undefined, undefined, arity - length);\n        }\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return apply(fn, this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.find` or `_.findLast` function.\n     *\n     * @private\n     * @param {Function} findIndexFunc The function to find the collection index.\n     * @returns {Function} Returns the new find function.\n     */\n    function createFind(findIndexFunc) {\n      return function(collection, predicate, fromIndex) {\n        var iterable = Object(collection);\n        if (!isArrayLike(collection)) {\n          var iteratee = getIteratee(predicate, 3);\n          collection = keys(collection);\n          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n        }\n        var index = findIndexFunc(collection, predicate, fromIndex);\n        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n      };\n    }\n\n    /**\n     * Creates a `_.flow` or `_.flowRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new flow function.\n     */\n    function createFlow(fromRight) {\n      return flatRest(function(funcs) {\n        var length = funcs.length,\n            index = length,\n            prereq = LodashWrapper.prototype.thru;\n\n        if (fromRight) {\n          funcs.reverse();\n        }\n        while (index--) {\n          var func = funcs[index];\n          if (typeof func != 'function') {\n            throw new TypeError(FUNC_ERROR_TEXT);\n          }\n          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n            var wrapper = new LodashWrapper([], true);\n          }\n        }\n        index = wrapper ? index : length;\n        while (++index < length) {\n          func = funcs[index];\n\n          var funcName = getFuncName(func),\n              data = funcName == 'wrapper' ? getData(func) : undefined;\n\n          if (data && isLaziable(data[0]) &&\n                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n                !data[4].length && data[9] == 1\n              ) {\n            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n          } else {\n            wrapper = (func.length == 1 && isLaziable(func))\n              ? wrapper[funcName]()\n              : wrapper.thru(func);\n          }\n        }\n        return function() {\n          var args = arguments,\n              value = args[0];\n\n          if (wrapper && args.length == 1 && isArray(value)) {\n            return wrapper.plant(value).value();\n          }\n          var index = 0,\n              result = length ? funcs[index].apply(this, args) : value;\n\n          while (++index < length) {\n            result = funcs[index].call(this, result);\n          }\n          return result;\n        };\n      });\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with optional `this`\n     * binding of `thisArg`, partial application, and currying.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [partialsRight] The arguments to append to those provided\n     *  to the new function.\n     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n      var isAry = bitmask & WRAP_ARY_FLAG,\n          isBind = bitmask & WRAP_BIND_FLAG,\n          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n          isFlip = bitmask & WRAP_FLIP_FLAG,\n          Ctor = isBindKey ? undefined : createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length;\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        if (isCurried) {\n          var placeholder = getHolder(wrapper),\n              holdersCount = countHolders(args, placeholder);\n        }\n        if (partials) {\n          args = composeArgs(args, partials, holders, isCurried);\n        }\n        if (partialsRight) {\n          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n        }\n        length -= holdersCount;\n        if (isCurried && length < arity) {\n          var newHolders = replaceHolders(args, placeholder);\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n            args, newHolders, argPos, ary, arity - length\n          );\n        }\n        var thisBinding = isBind ? thisArg : this,\n            fn = isBindKey ? thisBinding[func] : func;\n\n        length = args.length;\n        if (argPos) {\n          args = reorder(args, argPos);\n        } else if (isFlip && length > 1) {\n          args.reverse();\n        }\n        if (isAry && ary < length) {\n          args.length = ary;\n        }\n        if (this && this !== root && this instanceof wrapper) {\n          fn = Ctor || createCtor(fn);\n        }\n        return fn.apply(thisBinding, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.invertBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} toIteratee The function to resolve iteratees.\n     * @returns {Function} Returns the new inverter function.\n     */\n    function createInverter(setter, toIteratee) {\n      return function(object, iteratee) {\n        return baseInverter(object, setter, toIteratee(iteratee), {});\n      };\n    }\n\n    /**\n     * Creates a function that performs a mathematical operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @param {number} [defaultValue] The value used for `undefined` arguments.\n     * @returns {Function} Returns the new mathematical operation function.\n     */\n    function createMathOperation(operator, defaultValue) {\n      return function(value, other) {\n        var result;\n        if (value === undefined && other === undefined) {\n          return defaultValue;\n        }\n        if (value !== undefined) {\n          result = value;\n        }\n        if (other !== undefined) {\n          if (result === undefined) {\n            return other;\n          }\n          if (typeof value == 'string' || typeof other == 'string') {\n            value = baseToString(value);\n            other = baseToString(other);\n          } else {\n            value = baseToNumber(value);\n            other = baseToNumber(other);\n          }\n          result = operator(value, other);\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function like `_.over`.\n     *\n     * @private\n     * @param {Function} arrayFunc The function to iterate over iteratees.\n     * @returns {Function} Returns the new over function.\n     */\n    function createOver(arrayFunc) {\n      return flatRest(function(iteratees) {\n        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n        return baseRest(function(args) {\n          var thisArg = this;\n          return arrayFunc(iteratees, function(iteratee) {\n            return apply(iteratee, thisArg, args);\n          });\n        });\n      });\n    }\n\n    /**\n     * Creates the padding for `string` based on `length`. The `chars` string\n     * is truncated if the number of characters exceeds `length`.\n     *\n     * @private\n     * @param {number} length The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padding for `string`.\n     */\n    function createPadding(length, chars) {\n      chars = chars === undefined ? ' ' : baseToString(chars);\n\n      var charsLength = chars.length;\n      if (charsLength < 2) {\n        return charsLength ? baseRepeat(chars, length) : chars;\n      }\n      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n      return hasUnicode(chars)\n        ? castSlice(stringToArray(result), 0, length).join('')\n        : result.slice(0, length);\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the `this` binding\n     * of `thisArg` and `partials` prepended to the arguments it receives.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {Array} partials The arguments to prepend to those provided to\n     *  the new function.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createPartial(func, bitmask, thisArg, partials) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var argsIndex = -1,\n            argsLength = arguments.length,\n            leftIndex = -1,\n            leftLength = partials.length,\n            args = Array(leftLength + argsLength),\n            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n        while (++leftIndex < leftLength) {\n          args[leftIndex] = partials[leftIndex];\n        }\n        while (argsLength--) {\n          args[leftIndex++] = arguments[++argsIndex];\n        }\n        return apply(fn, isBind ? thisArg : this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.range` or `_.rangeRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new range function.\n     */\n    function createRange(fromRight) {\n      return function(start, end, step) {\n        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n          end = step = undefined;\n        }\n        // Ensure the sign of `-0` is preserved.\n        start = toFinite(start);\n        if (end === undefined) {\n          end = start;\n          start = 0;\n        } else {\n          end = toFinite(end);\n        }\n        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n        return baseRange(start, end, step, fromRight);\n      };\n    }\n\n    /**\n     * Creates a function that performs a relational operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @returns {Function} Returns the new relational operation function.\n     */\n    function createRelationalOperation(operator) {\n      return function(value, other) {\n        if (!(typeof value == 'string' && typeof other == 'string')) {\n          value = toNumber(value);\n          other = toNumber(other);\n        }\n        return operator(value, other);\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to continue currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {Function} wrapFunc The function to create the `func` wrapper.\n     * @param {*} placeholder The placeholder value.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n      var isCurry = bitmask & WRAP_CURRY_FLAG,\n          newHolders = isCurry ? holders : undefined,\n          newHoldersRight = isCurry ? undefined : holders,\n          newPartials = isCurry ? partials : undefined,\n          newPartialsRight = isCurry ? undefined : partials;\n\n      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n      }\n      var newData = [\n        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n        newHoldersRight, argPos, ary, arity\n      ];\n\n      var result = wrapFunc.apply(undefined, newData);\n      if (isLaziable(func)) {\n        setData(result, newData);\n      }\n      result.placeholder = placeholder;\n      return setWrapToString(result, func, bitmask);\n    }\n\n    /**\n     * Creates a function like `_.round`.\n     *\n     * @private\n     * @param {string} methodName The name of the `Math` method to use when rounding.\n     * @returns {Function} Returns the new round function.\n     */\n    function createRound(methodName) {\n      var func = Math[methodName];\n      return function(number, precision) {\n        number = toNumber(number);\n        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n        if (precision) {\n          // Shift with exponential notation to avoid floating-point issues.\n          // See [MDN](https://mdn.io/round#Examples) for more details.\n          var pair = (toString(number) + 'e').split('e'),\n              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n          pair = (toString(value) + 'e').split('e');\n          return +(pair[0] + 'e' + (+pair[1] - precision));\n        }\n        return func(number);\n      };\n    }\n\n    /**\n     * Creates a set object of `values`.\n     *\n     * @private\n     * @param {Array} values The values to add to the set.\n     * @returns {Object} Returns the new set.\n     */\n    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n      return new Set(values);\n    };\n\n    /**\n     * Creates a `_.toPairs` or `_.toPairsIn` function.\n     *\n     * @private\n     * @param {Function} keysFunc The function to get the keys of a given object.\n     * @returns {Function} Returns the new pairs function.\n     */\n    function createToPairs(keysFunc) {\n      return function(object) {\n        var tag = getTag(object);\n        if (tag == mapTag) {\n          return mapToArray(object);\n        }\n        if (tag == setTag) {\n          return setToPairs(object);\n        }\n        return baseToPairs(object, keysFunc(object));\n      };\n    }\n\n    /**\n     * Creates a function that either curries or invokes `func` with optional\n     * `this` binding and partially applied arguments.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags.\n     *    1 - `_.bind`\n     *    2 - `_.bindKey`\n     *    4 - `_.curry` or `_.curryRight` of a bound function\n     *    8 - `_.curry`\n     *   16 - `_.curryRight`\n     *   32 - `_.partial`\n     *   64 - `_.partialRight`\n     *  128 - `_.rearg`\n     *  256 - `_.ary`\n     *  512 - `_.flip`\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to be partially applied.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n      if (!isBindKey && typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var length = partials ? partials.length : 0;\n      if (!length) {\n        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n        partials = holders = undefined;\n      }\n      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n      arity = arity === undefined ? arity : toInteger(arity);\n      length -= holders ? holders.length : 0;\n\n      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n        var partialsRight = partials,\n            holdersRight = holders;\n\n        partials = holders = undefined;\n      }\n      var data = isBindKey ? undefined : getData(func);\n\n      var newData = [\n        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n        argPos, ary, arity\n      ];\n\n      if (data) {\n        mergeData(newData, data);\n      }\n      func = newData[0];\n      bitmask = newData[1];\n      thisArg = newData[2];\n      partials = newData[3];\n      holders = newData[4];\n      arity = newData[9] = newData[9] === undefined\n        ? (isBindKey ? 0 : func.length)\n        : nativeMax(newData[9] - length, 0);\n\n      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n      }\n      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n        var result = createBind(func, bitmask, thisArg);\n      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n        result = createCurry(func, bitmask, arity);\n      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n        result = createPartial(func, bitmask, thisArg, partials);\n      } else {\n        result = createHybrid.apply(undefined, newData);\n      }\n      var setter = data ? baseSetData : setData;\n      return setWrapToString(setter(result, newData), func, bitmask);\n    }\n\n    /**\n     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n     * of source objects to the destination object for all destination properties\n     * that resolve to `undefined`.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to assign.\n     * @param {Object} object The parent object of `objValue`.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n      if (objValue === undefined ||\n          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n        return srcValue;\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n     * objects into destination objects that are passed thru.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to merge.\n     * @param {Object} object The parent object of `objValue`.\n     * @param {Object} source The parent object of `srcValue`.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n      if (isObject(objValue) && isObject(srcValue)) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, objValue);\n        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n        stack['delete'](srcValue);\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n     * objects.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {string} key The key of the property to inspect.\n     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n     */\n    function customOmitClone(value) {\n      return isPlainObject(value) ? undefined : value;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for arrays with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Array} array The array to compare.\n     * @param {Array} other The other array to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `array` and `other` objects.\n     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n     */\n    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          arrLength = array.length,\n          othLength = other.length;\n\n      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n        return false;\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(array);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var index = -1,\n          result = true,\n          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n      stack.set(array, other);\n      stack.set(other, array);\n\n      // Ignore non-index properties.\n      while (++index < arrLength) {\n        var arrValue = array[index],\n            othValue = other[index];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, arrValue, index, other, array, stack)\n            : customizer(arrValue, othValue, index, array, other, stack);\n        }\n        if (compared !== undefined) {\n          if (compared) {\n            continue;\n          }\n          result = false;\n          break;\n        }\n        // Recursively compare arrays (susceptible to call stack limits).\n        if (seen) {\n          if (!arraySome(other, function(othValue, othIndex) {\n                if (!cacheHas(seen, othIndex) &&\n                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n                  return seen.push(othIndex);\n                }\n              })) {\n            result = false;\n            break;\n          }\n        } else if (!(\n              arrValue === othValue ||\n                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n            )) {\n          result = false;\n          break;\n        }\n      }\n      stack['delete'](array);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for comparing objects of\n     * the same `toStringTag`.\n     *\n     * **Note:** This function only supports comparing values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {string} tag The `toStringTag` of the objects to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n      switch (tag) {\n        case dataViewTag:\n          if ((object.byteLength != other.byteLength) ||\n              (object.byteOffset != other.byteOffset)) {\n            return false;\n          }\n          object = object.buffer;\n          other = other.buffer;\n\n        case arrayBufferTag:\n          if ((object.byteLength != other.byteLength) ||\n              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n            return false;\n          }\n          return true;\n\n        case boolTag:\n        case dateTag:\n        case numberTag:\n          // Coerce booleans to `1` or `0` and dates to milliseconds.\n          // Invalid dates are coerced to `NaN`.\n          return eq(+object, +other);\n\n        case errorTag:\n          return object.name == other.name && object.message == other.message;\n\n        case regexpTag:\n        case stringTag:\n          // Coerce regexes to strings and treat strings, primitives and objects,\n          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n          // for more details.\n          return object == (other + '');\n\n        case mapTag:\n          var convert = mapToArray;\n\n        case setTag:\n          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n          convert || (convert = setToArray);\n\n          if (object.size != other.size && !isPartial) {\n            return false;\n          }\n          // Assume cyclic values are equal.\n          var stacked = stack.get(object);\n          if (stacked) {\n            return stacked == other;\n          }\n          bitmask |= COMPARE_UNORDERED_FLAG;\n\n          // Recursively compare objects (susceptible to call stack limits).\n          stack.set(object, other);\n          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n          stack['delete'](object);\n          return result;\n\n        case symbolTag:\n          if (symbolValueOf) {\n            return symbolValueOf.call(object) == symbolValueOf.call(other);\n          }\n      }\n      return false;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for objects with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          objProps = getAllKeys(object),\n          objLength = objProps.length,\n          othProps = getAllKeys(other),\n          othLength = othProps.length;\n\n      if (objLength != othLength && !isPartial) {\n        return false;\n      }\n      var index = objLength;\n      while (index--) {\n        var key = objProps[index];\n        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n          return false;\n        }\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(object);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var result = true;\n      stack.set(object, other);\n      stack.set(other, object);\n\n      var skipCtor = isPartial;\n      while (++index < objLength) {\n        key = objProps[index];\n        var objValue = object[key],\n            othValue = other[key];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, objValue, key, other, object, stack)\n            : customizer(objValue, othValue, key, object, other, stack);\n        }\n        // Recursively compare objects (susceptible to call stack limits).\n        if (!(compared === undefined\n              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n              : compared\n            )) {\n          result = false;\n          break;\n        }\n        skipCtor || (skipCtor = key == 'constructor');\n      }\n      if (result && !skipCtor) {\n        var objCtor = object.constructor,\n            othCtor = other.constructor;\n\n        // Non `Object` object instances with different constructors are not equal.\n        if (objCtor != othCtor &&\n            ('constructor' in object && 'constructor' in other) &&\n            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n          result = false;\n        }\n      }\n      stack['delete'](object);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseRest` which flattens the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    function flatRest(func) {\n      return setToString(overRest(func, undefined, flatten), func + '');\n    }\n\n    /**\n     * Creates an array of own enumerable property names and symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeys(object) {\n      return baseGetAllKeys(object, keys, getSymbols);\n    }\n\n    /**\n     * Creates an array of own and inherited enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeysIn(object) {\n      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n    }\n\n    /**\n     * Gets metadata for `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {*} Returns the metadata for `func`.\n     */\n    var getData = !metaMap ? noop : function(func) {\n      return metaMap.get(func);\n    };\n\n    /**\n     * Gets the name of `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {string} Returns the function name.\n     */\n    function getFuncName(func) {\n      var result = (func.name + ''),\n          array = realNames[result],\n          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n      while (length--) {\n        var data = array[length],\n            otherFunc = data.func;\n        if (otherFunc == null || otherFunc == func) {\n          return data.name;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Gets the argument placeholder value for `func`.\n     *\n     * @private\n     * @param {Function} func The function to inspect.\n     * @returns {*} Returns the placeholder value.\n     */\n    function getHolder(func) {\n      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n      return object.placeholder;\n    }\n\n    /**\n     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n     * this function returns the custom method, otherwise it returns `baseIteratee`.\n     * If arguments are provided, the chosen function is invoked with them and\n     * its result is returned.\n     *\n     * @private\n     * @param {*} [value] The value to convert to an iteratee.\n     * @param {number} [arity] The arity of the created iteratee.\n     * @returns {Function} Returns the chosen function or its result.\n     */\n    function getIteratee() {\n      var result = lodash.iteratee || iteratee;\n      result = result === iteratee ? baseIteratee : result;\n      return arguments.length ? result(arguments[0], arguments[1]) : result;\n    }\n\n    /**\n     * Gets the data for `map`.\n     *\n     * @private\n     * @param {Object} map The map to query.\n     * @param {string} key The reference key.\n     * @returns {*} Returns the map data.\n     */\n    function getMapData(map, key) {\n      var data = map.__data__;\n      return isKeyable(key)\n        ? data[typeof key == 'string' ? 'string' : 'hash']\n        : data.map;\n    }\n\n    /**\n     * Gets the property names, values, and compare flags of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the match data of `object`.\n     */\n    function getMatchData(object) {\n      var result = keys(object),\n          length = result.length;\n\n      while (length--) {\n        var key = result[length],\n            value = object[key];\n\n        result[length] = [key, value, isStrictComparable(value)];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the native function at `key` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {string} key The key of the method to get.\n     * @returns {*} Returns the function if it's native, else `undefined`.\n     */\n    function getNative(object, key) {\n      var value = getValue(object, key);\n      return baseIsNative(value) ? value : undefined;\n    }\n\n    /**\n     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the raw `toStringTag`.\n     */\n    function getRawTag(value) {\n      var isOwn = hasOwnProperty.call(value, symToStringTag),\n          tag = value[symToStringTag];\n\n      try {\n        value[symToStringTag] = undefined;\n        var unmasked = true;\n      } catch (e) {}\n\n      var result = nativeObjectToString.call(value);\n      if (unmasked) {\n        if (isOwn) {\n          value[symToStringTag] = tag;\n        } else {\n          delete value[symToStringTag];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array of the own enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n      if (object == null) {\n        return [];\n      }\n      object = Object(object);\n      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n        return propertyIsEnumerable.call(object, symbol);\n      });\n    };\n\n    /**\n     * Creates an array of the own and inherited enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n      var result = [];\n      while (object) {\n        arrayPush(result, getSymbols(object));\n        object = getPrototype(object);\n      }\n      return result;\n    };\n\n    /**\n     * Gets the `toStringTag` of `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    var getTag = baseGetTag;\n\n    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n        (Map && getTag(new Map) != mapTag) ||\n        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n        (Set && getTag(new Set) != setTag) ||\n        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n      getTag = function(value) {\n        var result = baseGetTag(value),\n            Ctor = result == objectTag ? value.constructor : undefined,\n            ctorString = Ctor ? toSource(Ctor) : '';\n\n        if (ctorString) {\n          switch (ctorString) {\n            case dataViewCtorString: return dataViewTag;\n            case mapCtorString: return mapTag;\n            case promiseCtorString: return promiseTag;\n            case setCtorString: return setTag;\n            case weakMapCtorString: return weakMapTag;\n          }\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n     *\n     * @private\n     * @param {number} start The start of the view.\n     * @param {number} end The end of the view.\n     * @param {Array} transforms The transformations to apply to the view.\n     * @returns {Object} Returns an object containing the `start` and `end`\n     *  positions of the view.\n     */\n    function getView(start, end, transforms) {\n      var index = -1,\n          length = transforms.length;\n\n      while (++index < length) {\n        var data = transforms[index],\n            size = data.size;\n\n        switch (data.type) {\n          case 'drop':      start += size; break;\n          case 'dropRight': end -= size; break;\n          case 'take':      end = nativeMin(end, start + size); break;\n          case 'takeRight': start = nativeMax(start, end - size); break;\n        }\n      }\n      return { 'start': start, 'end': end };\n    }\n\n    /**\n     * Extracts wrapper details from the `source` body comment.\n     *\n     * @private\n     * @param {string} source The source to inspect.\n     * @returns {Array} Returns the wrapper details.\n     */\n    function getWrapDetails(source) {\n      var match = source.match(reWrapDetails);\n      return match ? match[1].split(reSplitDetails) : [];\n    }\n\n    /**\n     * Checks if `path` exists on `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @param {Function} hasFunc The function to check properties.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     */\n    function hasPath(object, path, hasFunc) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          result = false;\n\n      while (++index < length) {\n        var key = toKey(path[index]);\n        if (!(result = object != null && hasFunc(object, key))) {\n          break;\n        }\n        object = object[key];\n      }\n      if (result || ++index != length) {\n        return result;\n      }\n      length = object == null ? 0 : object.length;\n      return !!length && isLength(length) && isIndex(key, length) &&\n        (isArray(object) || isArguments(object));\n    }\n\n    /**\n     * Initializes an array clone.\n     *\n     * @private\n     * @param {Array} array The array to clone.\n     * @returns {Array} Returns the initialized clone.\n     */\n    function initCloneArray(array) {\n      var length = array.length,\n          result = array.constructor(length);\n\n      // Add properties assigned by `RegExp#exec`.\n      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n        result.index = array.index;\n        result.input = array.input;\n      }\n      return result;\n    }\n\n    /**\n     * Initializes an object clone.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneObject(object) {\n      return (typeof object.constructor == 'function' && !isPrototype(object))\n        ? baseCreate(getPrototype(object))\n        : {};\n    }\n\n    /**\n     * Initializes an object clone based on its `toStringTag`.\n     *\n     * **Note:** This function only supports cloning values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @param {string} tag The `toStringTag` of the object to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n      var Ctor = object.constructor;\n      switch (tag) {\n        case arrayBufferTag:\n          return cloneArrayBuffer(object);\n\n        case boolTag:\n        case dateTag:\n          return new Ctor(+object);\n\n        case dataViewTag:\n          return cloneDataView(object, isDeep);\n\n        case float32Tag: case float64Tag:\n        case int8Tag: case int16Tag: case int32Tag:\n        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n          return cloneTypedArray(object, isDeep);\n\n        case mapTag:\n          return cloneMap(object, isDeep, cloneFunc);\n\n        case numberTag:\n        case stringTag:\n          return new Ctor(object);\n\n        case regexpTag:\n          return cloneRegExp(object);\n\n        case setTag:\n          return cloneSet(object, isDeep, cloneFunc);\n\n        case symbolTag:\n          return cloneSymbol(object);\n      }\n    }\n\n    /**\n     * Inserts wrapper `details` in a comment at the top of the `source` body.\n     *\n     * @private\n     * @param {string} source The source to modify.\n     * @returns {Array} details The details to insert.\n     * @returns {string} Returns the modified source.\n     */\n    function insertWrapDetails(source, details) {\n      var length = details.length;\n      if (!length) {\n        return source;\n      }\n      var lastIndex = length - 1;\n      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n      details = details.join(length > 2 ? ', ' : ' ');\n      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n    }\n\n    /**\n     * Checks if `value` is a flattenable `arguments` object or array.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n     */\n    function isFlattenable(value) {\n      return isArray(value) || isArguments(value) ||\n        !!(spreadableSymbol && value && value[spreadableSymbol]);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like index.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n     */\n    function isIndex(value, length) {\n      length = length == null ? MAX_SAFE_INTEGER : length;\n      return !!length &&\n        (typeof value == 'number' || reIsUint.test(value)) &&\n        (value > -1 && value % 1 == 0 && value < length);\n    }\n\n    /**\n     * Checks if the given arguments are from an iteratee call.\n     *\n     * @private\n     * @param {*} value The potential iteratee value argument.\n     * @param {*} index The potential iteratee index or key argument.\n     * @param {*} object The potential iteratee object argument.\n     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n     *  else `false`.\n     */\n    function isIterateeCall(value, index, object) {\n      if (!isObject(object)) {\n        return false;\n      }\n      var type = typeof index;\n      if (type == 'number'\n            ? (isArrayLike(object) && isIndex(index, object.length))\n            : (type == 'string' && index in object)\n          ) {\n        return eq(object[index], value);\n      }\n      return false;\n    }\n\n    /**\n     * Checks if `value` is a property name and not a property path.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n     */\n    function isKey(value, object) {\n      if (isArray(value)) {\n        return false;\n      }\n      var type = typeof value;\n      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n          value == null || isSymbol(value)) {\n        return true;\n      }\n      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n        (object != null && value in Object(object));\n    }\n\n    /**\n     * Checks if `value` is suitable for use as unique object key.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n     */\n    function isKeyable(value) {\n      var type = typeof value;\n      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n        ? (value !== '__proto__')\n        : (value === null);\n    }\n\n    /**\n     * Checks if `func` has a lazy counterpart.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n     *  else `false`.\n     */\n    function isLaziable(func) {\n      var funcName = getFuncName(func),\n          other = lodash[funcName];\n\n      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n        return false;\n      }\n      if (func === other) {\n        return true;\n      }\n      var data = getData(other);\n      return !!data && func === data[0];\n    }\n\n    /**\n     * Checks if `func` has its source masked.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n     */\n    function isMasked(func) {\n      return !!maskSrcKey && (maskSrcKey in func);\n    }\n\n    /**\n     * Checks if `func` is capable of being masked.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n     */\n    var isMaskable = coreJsData ? isFunction : stubFalse;\n\n    /**\n     * Checks if `value` is likely a prototype object.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n     */\n    function isPrototype(value) {\n      var Ctor = value && value.constructor,\n          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n      return value === proto;\n    }\n\n    /**\n     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` if suitable for strict\n     *  equality comparisons, else `false`.\n     */\n    function isStrictComparable(value) {\n      return value === value && !isObject(value);\n    }\n\n    /**\n     * A specialized version of `matchesProperty` for source values suitable\n     * for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {string} key The key of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function matchesStrictComparable(key, srcValue) {\n      return function(object) {\n        if (object == null) {\n          return false;\n        }\n        return object[key] === srcValue &&\n          (srcValue !== undefined || (key in Object(object)));\n      };\n    }\n\n    /**\n     * A specialized version of `_.memoize` which clears the memoized function's\n     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n     *\n     * @private\n     * @param {Function} func The function to have its output memoized.\n     * @returns {Function} Returns the new memoized function.\n     */\n    function memoizeCapped(func) {\n      var result = memoize(func, function(key) {\n        if (cache.size === MAX_MEMOIZE_SIZE) {\n          cache.clear();\n        }\n        return key;\n      });\n\n      var cache = result.cache;\n      return result;\n    }\n\n    /**\n     * Merges the function metadata of `source` into `data`.\n     *\n     * Merging metadata reduces the number of wrappers used to invoke a function.\n     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n     * may be applied regardless of execution order. Methods like `_.ary` and\n     * `_.rearg` modify function arguments, making the order in which they are\n     * executed important, preventing the merging of metadata. However, we make\n     * an exception for a safe combined case where curried functions have `_.ary`\n     * and or `_.rearg` applied.\n     *\n     * @private\n     * @param {Array} data The destination metadata.\n     * @param {Array} source The source metadata.\n     * @returns {Array} Returns `data`.\n     */\n    function mergeData(data, source) {\n      var bitmask = data[1],\n          srcBitmask = source[1],\n          newBitmask = bitmask | srcBitmask,\n          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n      var isCombo =\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n      // Exit early if metadata can't be merged.\n      if (!(isCommon || isCombo)) {\n        return data;\n      }\n      // Use source `thisArg` if available.\n      if (srcBitmask & WRAP_BIND_FLAG) {\n        data[2] = source[2];\n        // Set when currying a bound function.\n        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n      }\n      // Compose partial arguments.\n      var value = source[3];\n      if (value) {\n        var partials = data[3];\n        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n      }\n      // Compose partial right arguments.\n      value = source[5];\n      if (value) {\n        partials = data[5];\n        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n      }\n      // Use source `argPos` if available.\n      value = source[7];\n      if (value) {\n        data[7] = value;\n      }\n      // Use source `ary` if it's smaller.\n      if (srcBitmask & WRAP_ARY_FLAG) {\n        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n      }\n      // Use source `arity` if one is not provided.\n      if (data[9] == null) {\n        data[9] = source[9];\n      }\n      // Use source `func` and merge bitmasks.\n      data[0] = source[0];\n      data[1] = newBitmask;\n\n      return data;\n    }\n\n    /**\n     * This function is like\n     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * except that it includes inherited enumerable properties.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function nativeKeysIn(object) {\n      var result = [];\n      if (object != null) {\n        for (var key in Object(object)) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a string using `Object.prototype.toString`.\n     *\n     * @private\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     */\n    function objectToString(value) {\n      return nativeObjectToString.call(value);\n    }\n\n    /**\n     * A specialized version of `baseRest` which transforms the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @param {Function} transform The rest array transform.\n     * @returns {Function} Returns the new function.\n     */\n    function overRest(func, start, transform) {\n      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n      return function() {\n        var args = arguments,\n            index = -1,\n            length = nativeMax(args.length - start, 0),\n            array = Array(length);\n\n        while (++index < length) {\n          array[index] = args[start + index];\n        }\n        index = -1;\n        var otherArgs = Array(start + 1);\n        while (++index < start) {\n          otherArgs[index] = args[index];\n        }\n        otherArgs[start] = transform(array);\n        return apply(func, this, otherArgs);\n      };\n    }\n\n    /**\n     * Gets the parent value at `path` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array} path The path to get the parent value of.\n     * @returns {*} Returns the parent value.\n     */\n    function parent(object, path) {\n      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n    }\n\n    /**\n     * Reorder `array` according to the specified indexes where the element at\n     * the first index is assigned as the first element, the element at\n     * the second index is assigned as the second element, and so on.\n     *\n     * @private\n     * @param {Array} array The array to reorder.\n     * @param {Array} indexes The arranged array indexes.\n     * @returns {Array} Returns `array`.\n     */\n    function reorder(array, indexes) {\n      var arrLength = array.length,\n          length = nativeMin(indexes.length, arrLength),\n          oldArray = copyArray(array);\n\n      while (length--) {\n        var index = indexes[length];\n        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n      }\n      return array;\n    }\n\n    /**\n     * Sets metadata for `func`.\n     *\n     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n     * period of time, it will trip its breaker and transition to an identity\n     * function to avoid garbage collection pauses in V8. See\n     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n     * for more details.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var setData = shortOut(baseSetData);\n\n    /**\n     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    var setTimeout = ctxSetTimeout || function(func, wait) {\n      return root.setTimeout(func, wait);\n    };\n\n    /**\n     * Sets the `toString` method of `func` to return `string`.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var setToString = shortOut(baseSetToString);\n\n    /**\n     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n     * with wrapper details in a comment at the top of the source body.\n     *\n     * @private\n     * @param {Function} wrapper The function to modify.\n     * @param {Function} reference The reference function.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Function} Returns `wrapper`.\n     */\n    function setWrapToString(wrapper, reference, bitmask) {\n      var source = (reference + '');\n      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n    }\n\n    /**\n     * Creates a function that'll short out and invoke `identity` instead\n     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n     * milliseconds.\n     *\n     * @private\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new shortable function.\n     */\n    function shortOut(func) {\n      var count = 0,\n          lastCalled = 0;\n\n      return function() {\n        var stamp = nativeNow(),\n            remaining = HOT_SPAN - (stamp - lastCalled);\n\n        lastCalled = stamp;\n        if (remaining > 0) {\n          if (++count >= HOT_COUNT) {\n            return arguments[0];\n          }\n        } else {\n          count = 0;\n        }\n        return func.apply(undefined, arguments);\n      };\n    }\n\n    /**\n     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @param {number} [size=array.length] The size of `array`.\n     * @returns {Array} Returns `array`.\n     */\n    function shuffleSelf(array, size) {\n      var index = -1,\n          length = array.length,\n          lastIndex = length - 1;\n\n      size = size === undefined ? length : size;\n      while (++index < size) {\n        var rand = baseRandom(index, lastIndex),\n            value = array[rand];\n\n        array[rand] = array[index];\n        array[index] = value;\n      }\n      array.length = size;\n      return array;\n    }\n\n    /**\n     * Converts `string` to a property path array.\n     *\n     * @private\n     * @param {string} string The string to convert.\n     * @returns {Array} Returns the property path array.\n     */\n    var stringToPath = memoizeCapped(function(string) {\n      var result = [];\n      if (reLeadingDot.test(string)) {\n        result.push('');\n      }\n      string.replace(rePropName, function(match, number, quote, string) {\n        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n      });\n      return result;\n    });\n\n    /**\n     * Converts `value` to a string key if it's not a string or symbol.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {string|symbol} Returns the key.\n     */\n    function toKey(value) {\n      if (typeof value == 'string' || isSymbol(value)) {\n        return value;\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * Converts `func` to its source code.\n     *\n     * @private\n     * @param {Function} func The function to convert.\n     * @returns {string} Returns the source code.\n     */\n    function toSource(func) {\n      if (func != null) {\n        try {\n          return funcToString.call(func);\n        } catch (e) {}\n        try {\n          return (func + '');\n        } catch (e) {}\n      }\n      return '';\n    }\n\n    /**\n     * Updates wrapper `details` based on `bitmask` flags.\n     *\n     * @private\n     * @returns {Array} details The details to modify.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Array} Returns `details`.\n     */\n    function updateWrapDetails(details, bitmask) {\n      arrayEach(wrapFlags, function(pair) {\n        var value = '_.' + pair[0];\n        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n          details.push(value);\n        }\n      });\n      return details.sort();\n    }\n\n    /**\n     * Creates a clone of `wrapper`.\n     *\n     * @private\n     * @param {Object} wrapper The wrapper to clone.\n     * @returns {Object} Returns the cloned wrapper.\n     */\n    function wrapperClone(wrapper) {\n      if (wrapper instanceof LazyWrapper) {\n        return wrapper.clone();\n      }\n      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n      result.__actions__ = copyArray(wrapper.__actions__);\n      result.__index__  = wrapper.__index__;\n      result.__values__ = wrapper.__values__;\n      return result;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of elements split into groups the length of `size`.\n     * If `array` can't be split evenly, the final chunk will be the remaining\n     * elements.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to process.\n     * @param {number} [size=1] The length of each chunk\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the new array of chunks.\n     * @example\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 2);\n     * // => [['a', 'b'], ['c', 'd']]\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 3);\n     * // => [['a', 'b', 'c'], ['d']]\n     */\n    function chunk(array, size, guard) {\n      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n        size = 1;\n      } else {\n        size = nativeMax(toInteger(size), 0);\n      }\n      var length = array == null ? 0 : array.length;\n      if (!length || size < 1) {\n        return [];\n      }\n      var index = 0,\n          resIndex = 0,\n          result = Array(nativeCeil(length / size));\n\n      while (index < length) {\n        result[resIndex++] = baseSlice(array, index, (index += size));\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array with all falsey values removed. The values `false`, `null`,\n     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to compact.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.compact([0, 1, false, 2, '', 3]);\n     * // => [1, 2, 3]\n     */\n    function compact(array) {\n      var index = -1,\n          length = array == null ? 0 : array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index];\n        if (value) {\n          result[resIndex++] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates a new array concatenating `array` with any additional arrays\n     * and/or values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to concatenate.\n     * @param {...*} [values] The values to concatenate.\n     * @returns {Array} Returns the new concatenated array.\n     * @example\n     *\n     * var array = [1];\n     * var other = _.concat(array, 2, [3], [[4]]);\n     *\n     * console.log(other);\n     * // => [1, 2, 3, [4]]\n     *\n     * console.log(array);\n     * // => [1]\n     */\n    function concat() {\n      var length = arguments.length;\n      if (!length) {\n        return [];\n      }\n      var args = Array(length - 1),\n          array = arguments[0],\n          index = length;\n\n      while (index--) {\n        args[index - 1] = arguments[index];\n      }\n      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n    }\n\n    /**\n     * Creates an array of `array` values not included in the other given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.without, _.xor\n     * @example\n     *\n     * _.difference([2, 1], [2, 3]);\n     * // => [1]\n     */\n    var difference = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `iteratee` which\n     * is invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var differenceBy = baseRest(function(array, values) {\n      var iteratee = last(values);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `comparator`\n     * which is invoked to compare elements of `array` to `values`. The order and\n     * references of result values are determined by the first array. The comparator\n     * is invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     *\n     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }]\n     */\n    var differenceWith = baseRest(function(array, values) {\n      var comparator = last(values);\n      if (isArrayLikeObject(comparator)) {\n        comparator = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.drop([1, 2, 3]);\n     * // => [2, 3]\n     *\n     * _.drop([1, 2, 3], 2);\n     * // => [3]\n     *\n     * _.drop([1, 2, 3], 5);\n     * // => []\n     *\n     * _.drop([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function drop(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.dropRight([1, 2, 3]);\n     * // => [1, 2]\n     *\n     * _.dropRight([1, 2, 3], 2);\n     * // => [1]\n     *\n     * _.dropRight([1, 2, 3], 5);\n     * // => []\n     *\n     * _.dropRight([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function dropRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the end.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.dropRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropRightWhile(users, ['active', false]);\n     * // => objects for ['barney']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropRightWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the beginning.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.dropWhile(users, function(o) { return !o.active; });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropWhile(users, ['active', false]);\n     * // => objects for ['pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true)\n        : [];\n    }\n\n    /**\n     * Fills elements of `array` with `value` from `start` up to, but not\n     * including, `end`.\n     *\n     * **Note:** This method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Array\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.fill(array, 'a');\n     * console.log(array);\n     * // => ['a', 'a', 'a']\n     *\n     * _.fill(Array(3), 2);\n     * // => [2, 2, 2]\n     *\n     * _.fill([4, 6, 8, 10], '*', 1, 3);\n     * // => [4, '*', '*', 10]\n     */\n    function fill(array, value, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n        start = 0;\n        end = length;\n      }\n      return baseFill(array, value, start, end);\n    }\n\n    /**\n     * This method is like `_.find` except that it returns the index of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n     * // => 0\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findIndex(users, { 'user': 'fred', 'active': false });\n     * // => 1\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findIndex(users, ['active', false]);\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findIndex(users, 'active');\n     * // => 2\n     */\n    function findIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index);\n    }\n\n    /**\n     * This method is like `_.findIndex` except that it iterates over elements\n     * of `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n     * // => 2\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n     * // => 0\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastIndex(users, ['active', false]);\n     * // => 2\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastIndex(users, 'active');\n     * // => 0\n     */\n    function findLastIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length - 1;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = fromIndex < 0\n          ? nativeMax(length + index, 0)\n          : nativeMin(index, length - 1);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n    }\n\n    /**\n     * Flattens `array` a single level deep.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flatten([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, [3, [4]], 5]\n     */\n    function flatten(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, 1) : [];\n    }\n\n    /**\n     * Recursively flattens `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, 3, 4, 5]\n     */\n    function flattenDeep(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, INFINITY) : [];\n    }\n\n    /**\n     * Recursively flatten `array` up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * var array = [1, [2, [3, [4]], 5]];\n     *\n     * _.flattenDepth(array, 1);\n     * // => [1, 2, [3, [4]], 5]\n     *\n     * _.flattenDepth(array, 2);\n     * // => [1, 2, 3, [4], 5]\n     */\n    function flattenDepth(array, depth) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(array, depth);\n    }\n\n    /**\n     * The inverse of `_.toPairs`; this method returns an object composed\n     * from key-value `pairs`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} pairs The key-value pairs.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.fromPairs([['a', 1], ['b', 2]]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function fromPairs(pairs) {\n      var index = -1,\n          length = pairs == null ? 0 : pairs.length,\n          result = {};\n\n      while (++index < length) {\n        var pair = pairs[index];\n        result[pair[0]] = pair[1];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias first\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the first element of `array`.\n     * @example\n     *\n     * _.head([1, 2, 3]);\n     * // => 1\n     *\n     * _.head([]);\n     * // => undefined\n     */\n    function head(array) {\n      return (array && array.length) ? array[0] : undefined;\n    }\n\n    /**\n     * Gets the index at which the first occurrence of `value` is found in `array`\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. If `fromIndex` is negative, it's used as the\n     * offset from the end of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.indexOf([1, 2, 1, 2], 2);\n     * // => 1\n     *\n     * // Search from the `fromIndex`.\n     * _.indexOf([1, 2, 1, 2], 2, 2);\n     * // => 3\n     */\n    function indexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseIndexOf(array, value, index);\n    }\n\n    /**\n     * Gets all but the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.initial([1, 2, 3]);\n     * // => [1, 2]\n     */\n    function initial(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 0, -1) : [];\n    }\n\n    /**\n     * Creates an array of unique values that are included in all given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersection([2, 1], [2, 3]);\n     * // => [2]\n     */\n    var intersection = baseRest(function(arrays) {\n      var mapped = arrayMap(arrays, castArrayLikeObject);\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped)\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `iteratee`\n     * which is invoked for each element of each `arrays` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [2.1]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }]\n     */\n    var intersectionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      if (iteratee === last(mapped)) {\n        iteratee = undefined;\n      } else {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `comparator`\n     * which is invoked to compare elements of `arrays`. The order and references\n     * of result values are determined by the first array. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.intersectionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }]\n     */\n    var intersectionWith = baseRest(function(arrays) {\n      var comparator = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      if (comparator) {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Converts all elements in `array` into a string separated by `separator`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to convert.\n     * @param {string} [separator=','] The element separator.\n     * @returns {string} Returns the joined string.\n     * @example\n     *\n     * _.join(['a', 'b', 'c'], '~');\n     * // => 'a~b~c'\n     */\n    function join(array, separator) {\n      return array == null ? '' : nativeJoin.call(array, separator);\n    }\n\n    /**\n     * Gets the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the last element of `array`.\n     * @example\n     *\n     * _.last([1, 2, 3]);\n     * // => 3\n     */\n    function last(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? array[length - 1] : undefined;\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it iterates over elements of\n     * `array` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.lastIndexOf([1, 2, 1, 2], 2);\n     * // => 3\n     *\n     * // Search from the `fromIndex`.\n     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n     * // => 1\n     */\n    function lastIndexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n      }\n      return value === value\n        ? strictLastIndexOf(array, value, index)\n        : baseFindIndex(array, baseIsNaN, index, true);\n    }\n\n    /**\n     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n     * element from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.11.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=0] The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     *\n     * _.nth(array, 1);\n     * // => 'b'\n     *\n     * _.nth(array, -2);\n     * // => 'c';\n     */\n    function nth(array, n) {\n      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n    }\n\n    /**\n     * Removes all given values from `array` using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n     * to remove elements from an array by predicate.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...*} [values] The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pull(array, 'a', 'c');\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    var pull = baseRest(pullAll);\n\n    /**\n     * This method is like `_.pull` except that it accepts an array of values to remove.\n     *\n     * **Note:** Unlike `_.difference`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pullAll(array, ['a', 'c']);\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    function pullAll(array, values) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values)\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n     * invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The iteratee is invoked with one argument: (value).\n     *\n     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n     *\n     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n     * console.log(array);\n     * // => [{ 'x': 2 }]\n     */\n    function pullAllBy(array, values, iteratee) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, getIteratee(iteratee, 2))\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `comparator` which\n     * is invoked to compare elements of `array` to `values`. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n     *\n     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n     * console.log(array);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n     */\n    function pullAllWith(array, values, comparator) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, undefined, comparator)\n        : array;\n    }\n\n    /**\n     * Removes elements from `array` corresponding to `indexes` and returns an\n     * array of removed elements.\n     *\n     * **Note:** Unlike `_.at`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     * var pulled = _.pullAt(array, [1, 3]);\n     *\n     * console.log(array);\n     * // => ['a', 'c']\n     *\n     * console.log(pulled);\n     * // => ['b', 'd']\n     */\n    var pullAt = flatRest(function(array, indexes) {\n      var length = array == null ? 0 : array.length,\n          result = baseAt(array, indexes);\n\n      basePullAt(array, arrayMap(indexes, function(index) {\n        return isIndex(index, length) ? +index : index;\n      }).sort(compareAscending));\n\n      return result;\n    });\n\n    /**\n     * Removes all elements from `array` that `predicate` returns truthy for\n     * and returns an array of the removed elements. The predicate is invoked\n     * with three arguments: (value, index, array).\n     *\n     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n     * to pull elements from an array by value.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = [1, 2, 3, 4];\n     * var evens = _.remove(array, function(n) {\n     *   return n % 2 == 0;\n     * });\n     *\n     * console.log(array);\n     * // => [1, 3]\n     *\n     * console.log(evens);\n     * // => [2, 4]\n     */\n    function remove(array, predicate) {\n      var result = [];\n      if (!(array && array.length)) {\n        return result;\n      }\n      var index = -1,\n          indexes = [],\n          length = array.length;\n\n      predicate = getIteratee(predicate, 3);\n      while (++index < length) {\n        var value = array[index];\n        if (predicate(value, index, array)) {\n          result.push(value);\n          indexes.push(index);\n        }\n      }\n      basePullAt(array, indexes);\n      return result;\n    }\n\n    /**\n     * Reverses `array` so that the first element becomes the last, the second\n     * element becomes the second to last, and so on.\n     *\n     * **Note:** This method mutates `array` and is based on\n     * [`Array#reverse`](https://mdn.io/Array/reverse).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.reverse(array);\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function reverse(array) {\n      return array == null ? array : nativeReverse.call(array);\n    }\n\n    /**\n     * Creates a slice of `array` from `start` up to, but not including, `end`.\n     *\n     * **Note:** This method is used instead of\n     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n     * returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function slice(array, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n        start = 0;\n        end = length;\n      }\n      else {\n        start = start == null ? 0 : toInteger(start);\n        end = end === undefined ? length : toInteger(end);\n      }\n      return baseSlice(array, start, end);\n    }\n\n    /**\n     * Uses a binary search to determine the lowest index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedIndex([30, 50], 40);\n     * // => 1\n     */\n    function sortedIndex(array, value) {\n      return baseSortedIndex(array, value);\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 0\n     */\n    function sortedIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 1\n     */\n    function sortedIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value);\n        if (index < length && eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it returns the highest\n     * index at which `value` should be inserted into `array` in order to\n     * maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n     * // => 4\n     */\n    function sortedLastIndex(array, value) {\n      return baseSortedIndex(array, value, true);\n    }\n\n    /**\n     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 1\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 1\n     */\n    function sortedLastIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n    }\n\n    /**\n     * This method is like `_.lastIndexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 3\n     */\n    function sortedLastIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value, true) - 1;\n        if (eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.uniq` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniq([1, 1, 2]);\n     * // => [1, 2]\n     */\n    function sortedUniq(array) {\n      return (array && array.length)\n        ? baseSortedUniq(array)\n        : [];\n    }\n\n    /**\n     * This method is like `_.uniqBy` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n     * // => [1.1, 2.3]\n     */\n    function sortedUniqBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n        : [];\n    }\n\n    /**\n     * Gets all but the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.tail([1, 2, 3]);\n     * // => [2, 3]\n     */\n    function tail(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 1, length) : [];\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.take([1, 2, 3]);\n     * // => [1]\n     *\n     * _.take([1, 2, 3], 2);\n     * // => [1, 2]\n     *\n     * _.take([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.take([1, 2, 3], 0);\n     * // => []\n     */\n    function take(array, n, guard) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.takeRight([1, 2, 3]);\n     * // => [3]\n     *\n     * _.takeRight([1, 2, 3], 2);\n     * // => [2, 3]\n     *\n     * _.takeRight([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.takeRight([1, 2, 3], 0);\n     * // => []\n     */\n    function takeRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the end. Elements are\n     * taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.takeRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeRightWhile(users, ['active', false]);\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeRightWhile(users, 'active');\n     * // => []\n     */\n    function takeRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the beginning. Elements\n     * are taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.takeWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeWhile(users, ['active', false]);\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeWhile(users, 'active');\n     * // => []\n     */\n    function takeWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3))\n        : [];\n    }\n\n    /**\n     * Creates an array of unique values, in order, from all given arrays using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.union([2], [1, 2]);\n     * // => [2, 1]\n     */\n    var union = baseRest(function(arrays) {\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which uniqueness is computed. Result values are chosen from the first\n     * array in which the value occurs. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    var unionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `comparator` which\n     * is invoked to compare elements of `arrays`. Result values are chosen from\n     * the first array in which the value occurs. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.unionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var unionWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n    });\n\n    /**\n     * Creates a duplicate-free version of an array, using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons, in which only the first occurrence of each element\n     * is kept. The order of result values is determined by the order they occur\n     * in the array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniq([2, 1, 2]);\n     * // => [2, 1]\n     */\n    function uniq(array) {\n      return (array && array.length) ? baseUniq(array) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * uniqueness is computed. The order of result values is determined by the\n     * order they occur in the array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    function uniqBy(array, iteratee) {\n      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `comparator` which\n     * is invoked to compare elements of `array`. The order of result values is\n     * determined by the order they occur in the array.The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.uniqWith(objects, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n     */\n    function uniqWith(array, comparator) {\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts an array of grouped\n     * elements and creates an array regrouping the elements to their pre-zip\n     * configuration.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.2.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     *\n     * _.unzip(zipped);\n     * // => [['a', 'b'], [1, 2], [true, false]]\n     */\n    function unzip(array) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var length = 0;\n      array = arrayFilter(array, function(group) {\n        if (isArrayLikeObject(group)) {\n          length = nativeMax(group.length, length);\n          return true;\n        }\n      });\n      return baseTimes(length, function(index) {\n        return arrayMap(array, baseProperty(index));\n      });\n    }\n\n    /**\n     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n     * how regrouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  regrouped values.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n     * // => [[1, 10, 100], [2, 20, 200]]\n     *\n     * _.unzipWith(zipped, _.add);\n     * // => [3, 30, 300]\n     */\n    function unzipWith(array, iteratee) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var result = unzip(array);\n      if (iteratee == null) {\n        return result;\n      }\n      return arrayMap(result, function(group) {\n        return apply(iteratee, undefined, group);\n      });\n    }\n\n    /**\n     * Creates an array excluding all given values using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.pull`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...*} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.xor\n     * @example\n     *\n     * _.without([2, 1, 2, 3], 1, 2);\n     * // => [3]\n     */\n    var without = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, values)\n        : [];\n    });\n\n    /**\n     * Creates an array of unique values that is the\n     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n     * of the given arrays. The order of result values is determined by the order\n     * they occur in the arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.without\n     * @example\n     *\n     * _.xor([2, 1], [2, 3]);\n     * // => [1, 3]\n     */\n    var xor = baseRest(function(arrays) {\n      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which by which they're compared. The order of result values is determined\n     * by the order they occur in the arrays. The iteratee is invoked with one\n     * argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2, 3.4]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var xorBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `comparator` which is\n     * invoked to compare elements of `arrays`. The order of result values is\n     * determined by the order they occur in the arrays. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.xorWith(objects, others, _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var xorWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n    });\n\n    /**\n     * Creates an array of grouped elements, the first of which contains the\n     * first elements of the given arrays, the second of which contains the\n     * second elements of the given arrays, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     */\n    var zip = baseRest(unzip);\n\n    /**\n     * This method is like `_.fromPairs` except that it accepts two arrays,\n     * one of property identifiers and one of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.4.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObject(['a', 'b'], [1, 2]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function zipObject(props, values) {\n      return baseZipObject(props || [], values || [], assignValue);\n    }\n\n    /**\n     * This method is like `_.zipObject` except that it supports property paths.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n     */\n    function zipObjectDeep(props, values) {\n      return baseZipObject(props || [], values || [], baseSet);\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts `iteratee` to specify\n     * how grouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  grouped values.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n     *   return a + b + c;\n     * });\n     * // => [111, 222]\n     */\n    var zipWith = baseRest(function(arrays) {\n      var length = arrays.length,\n          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n      return unzipWith(arrays, iteratee);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n     * chain sequences enabled. The result of such sequences must be unwrapped\n     * with `_#value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Seq\n     * @param {*} value The value to wrap.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36 },\n     *   { 'user': 'fred',    'age': 40 },\n     *   { 'user': 'pebbles', 'age': 1 }\n     * ];\n     *\n     * var youngest = _\n     *   .chain(users)\n     *   .sortBy('age')\n     *   .map(function(o) {\n     *     return o.user + ' is ' + o.age;\n     *   })\n     *   .head()\n     *   .value();\n     * // => 'pebbles is 1'\n     */\n    function chain(value) {\n      var result = lodash(value);\n      result.__chain__ = true;\n      return result;\n    }\n\n    /**\n     * This method invokes `interceptor` and returns `value`. The interceptor\n     * is invoked with one argument; (value). The purpose of this method is to\n     * \"tap into\" a method chain sequence in order to modify intermediate results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * _([1, 2, 3])\n     *  .tap(function(array) {\n     *    // Mutate input array.\n     *    array.pop();\n     *  })\n     *  .reverse()\n     *  .value();\n     * // => [2, 1]\n     */\n    function tap(value, interceptor) {\n      interceptor(value);\n      return value;\n    }\n\n    /**\n     * This method is like `_.tap` except that it returns the result of `interceptor`.\n     * The purpose of this method is to \"pass thru\" values replacing intermediate\n     * results in a method chain sequence.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns the result of `interceptor`.\n     * @example\n     *\n     * _('  abc  ')\n     *  .chain()\n     *  .trim()\n     *  .thru(function(value) {\n     *    return [value];\n     *  })\n     *  .value();\n     * // => ['abc']\n     */\n    function thru(value, interceptor) {\n      return interceptor(value);\n    }\n\n    /**\n     * This method is the wrapper version of `_.at`.\n     *\n     * @name at\n     * @memberOf _\n     * @since 1.0.0\n     * @category Seq\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _(object).at(['a[0].b.c', 'a[1]']).value();\n     * // => [3, 4]\n     */\n    var wrapperAt = flatRest(function(paths) {\n      var length = paths.length,\n          start = length ? paths[0] : 0,\n          value = this.__wrapped__,\n          interceptor = function(object) { return baseAt(object, paths); };\n\n      if (length > 1 || this.__actions__.length ||\n          !(value instanceof LazyWrapper) || !isIndex(start)) {\n        return this.thru(interceptor);\n      }\n      value = value.slice(start, +start + (length ? 1 : 0));\n      value.__actions__.push({\n        'func': thru,\n        'args': [interceptor],\n        'thisArg': undefined\n      });\n      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n        if (length && !array.length) {\n          array.push(undefined);\n        }\n        return array;\n      });\n    });\n\n    /**\n     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n     *\n     * @name chain\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 }\n     * ];\n     *\n     * // A sequence without explicit chaining.\n     * _(users).head();\n     * // => { 'user': 'barney', 'age': 36 }\n     *\n     * // A sequence with explicit chaining.\n     * _(users)\n     *   .chain()\n     *   .head()\n     *   .pick('user')\n     *   .value();\n     * // => { 'user': 'barney' }\n     */\n    function wrapperChain() {\n      return chain(this);\n    }\n\n    /**\n     * Executes the chain sequence and returns the wrapped result.\n     *\n     * @name commit\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2];\n     * var wrapped = _(array).push(3);\n     *\n     * console.log(array);\n     * // => [1, 2]\n     *\n     * wrapped = wrapped.commit();\n     * console.log(array);\n     * // => [1, 2, 3]\n     *\n     * wrapped.last();\n     * // => 3\n     *\n     * console.log(array);\n     * // => [1, 2, 3]\n     */\n    function wrapperCommit() {\n      return new LodashWrapper(this.value(), this.__chain__);\n    }\n\n    /**\n     * Gets the next value on a wrapped object following the\n     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n     *\n     * @name next\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the next iterator value.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 1 }\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 2 }\n     *\n     * wrapped.next();\n     * // => { 'done': true, 'value': undefined }\n     */\n    function wrapperNext() {\n      if (this.__values__ === undefined) {\n        this.__values__ = toArray(this.value());\n      }\n      var done = this.__index__ >= this.__values__.length,\n          value = done ? undefined : this.__values__[this.__index__++];\n\n      return { 'done': done, 'value': value };\n    }\n\n    /**\n     * Enables the wrapper to be iterable.\n     *\n     * @name Symbol.iterator\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the wrapper object.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped[Symbol.iterator]() === wrapped;\n     * // => true\n     *\n     * Array.from(wrapped);\n     * // => [1, 2]\n     */\n    function wrapperToIterator() {\n      return this;\n    }\n\n    /**\n     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n     *\n     * @name plant\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @param {*} value The value to plant.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2]).map(square);\n     * var other = wrapped.plant([3, 4]);\n     *\n     * other.value();\n     * // => [9, 16]\n     *\n     * wrapped.value();\n     * // => [1, 4]\n     */\n    function wrapperPlant(value) {\n      var result,\n          parent = this;\n\n      while (parent instanceof baseLodash) {\n        var clone = wrapperClone(parent);\n        clone.__index__ = 0;\n        clone.__values__ = undefined;\n        if (result) {\n          previous.__wrapped__ = clone;\n        } else {\n          result = clone;\n        }\n        var previous = clone;\n        parent = parent.__wrapped__;\n      }\n      previous.__wrapped__ = value;\n      return result;\n    }\n\n    /**\n     * This method is the wrapper version of `_.reverse`.\n     *\n     * **Note:** This method mutates the wrapped array.\n     *\n     * @name reverse\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _(array).reverse().value()\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function wrapperReverse() {\n      var value = this.__wrapped__;\n      if (value instanceof LazyWrapper) {\n        var wrapped = value;\n        if (this.__actions__.length) {\n          wrapped = new LazyWrapper(this);\n        }\n        wrapped = wrapped.reverse();\n        wrapped.__actions__.push({\n          'func': thru,\n          'args': [reverse],\n          'thisArg': undefined\n        });\n        return new LodashWrapper(wrapped, this.__chain__);\n      }\n      return this.thru(reverse);\n    }\n\n    /**\n     * Executes the chain sequence to resolve the unwrapped value.\n     *\n     * @name value\n     * @memberOf _\n     * @since 0.1.0\n     * @alias toJSON, valueOf\n     * @category Seq\n     * @returns {*} Returns the resolved unwrapped value.\n     * @example\n     *\n     * _([1, 2, 3]).value();\n     * // => [1, 2, 3]\n     */\n    function wrapperValue() {\n      return baseWrapperValue(this.__wrapped__, this.__actions__);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the number of times the key was returned by `iteratee`. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': 1, '6': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.countBy(['one', 'two', 'three'], 'length');\n     * // => { '3': 2, '5': 1 }\n     */\n    var countBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        ++result[key];\n      } else {\n        baseAssignValue(result, key, 1);\n      }\n    });\n\n    /**\n     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n     * Iteration is stopped once `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * **Note:** This method returns `true` for\n     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n     * elements of empty collections.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.every([true, 1, null, 'yes'], Boolean);\n     * // => false\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.every(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.every(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.every(users, 'active');\n     * // => false\n     */\n    function every(collection, predicate, guard) {\n      var func = isArray(collection) ? arrayEvery : baseEvery;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning an array of all elements\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * **Note:** Unlike `_.remove`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.reject\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * _.filter(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, { 'age': 36, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.filter(users, 'active');\n     * // => objects for ['barney']\n     */\n    function filter(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning the first element\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': true },\n     *   { 'user': 'fred',    'age': 40, 'active': false },\n     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n     * ];\n     *\n     * _.find(users, function(o) { return o.age < 40; });\n     * // => object for 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.find(users, { 'age': 1, 'active': true });\n     * // => object for 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.find(users, ['active', false]);\n     * // => object for 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.find(users, 'active');\n     * // => object for 'barney'\n     */\n    var find = createFind(findIndex);\n\n    /**\n     * This method is like `_.find` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=collection.length-1] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * _.findLast([1, 2, 3, 4], function(n) {\n     *   return n % 2 == 1;\n     * });\n     * // => 3\n     */\n    var findLast = createFind(findLastIndex);\n\n    /**\n     * Creates a flattened array of values by running each element in `collection`\n     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n     * with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [n, n];\n     * }\n     *\n     * _.flatMap([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMap(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), 1);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDeep([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMapDeep(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), INFINITY);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDepth([1, 2], duplicate, 2);\n     * // => [[1, 1], [2, 2]]\n     */\n    function flatMapDepth(collection, iteratee, depth) {\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(map(collection, iteratee), depth);\n    }\n\n    /**\n     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n     * The iteratee is invoked with three arguments: (value, index|key, collection).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n     * or `_.forOwn` for object iteration.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias each\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEachRight\n     * @example\n     *\n     * _.forEach([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `1` then `2`.\n     *\n     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forEach(collection, iteratee) {\n      var func = isArray(collection) ? arrayEach : baseEach;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forEach` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @alias eachRight\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEach\n     * @example\n     *\n     * _.forEachRight([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `2` then `1`.\n     */\n    function forEachRight(collection, iteratee) {\n      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The order of grouped values\n     * is determined by the order they occur in `collection`. The corresponding\n     * value of each key is an array of elements responsible for generating the\n     * key. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': [4.2], '6': [6.1, 6.3] }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.groupBy(['one', 'two', 'three'], 'length');\n     * // => { '3': ['one', 'two'], '5': ['three'] }\n     */\n    var groupBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        result[key].push(value);\n      } else {\n        baseAssignValue(result, key, [value]);\n      }\n    });\n\n    /**\n     * Checks if `value` is in `collection`. If `collection` is a string, it's\n     * checked for a substring of `value`, otherwise\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n     * the offset from the end of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n     * @example\n     *\n     * _.includes([1, 2, 3], 1);\n     * // => true\n     *\n     * _.includes([1, 2, 3], 1, 2);\n     * // => false\n     *\n     * _.includes({ 'a': 1, 'b': 2 }, 1);\n     * // => true\n     *\n     * _.includes('abcd', 'bc');\n     * // => true\n     */\n    function includes(collection, value, fromIndex, guard) {\n      collection = isArrayLike(collection) ? collection : values(collection);\n      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n      var length = collection.length;\n      if (fromIndex < 0) {\n        fromIndex = nativeMax(length + fromIndex, 0);\n      }\n      return isString(collection)\n        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n    }\n\n    /**\n     * Invokes the method at `path` of each element in `collection`, returning\n     * an array of the results of each invoked method. Any additional arguments\n     * are provided to each invoked method. If `path` is a function, it's invoked\n     * for, and `this` bound to, each element in `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array|Function|string} path The path of the method to invoke or\n     *  the function invoked per iteration.\n     * @param {...*} [args] The arguments to invoke each method with.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n     * // => [[1, 5, 7], [1, 2, 3]]\n     *\n     * _.invokeMap([123, 456], String.prototype.split, '');\n     * // => [['1', '2', '3'], ['4', '5', '6']]\n     */\n    var invokeMap = baseRest(function(collection, path, args) {\n      var index = -1,\n          isFunc = typeof path == 'function',\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value) {\n        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n      });\n      return result;\n    });\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the last element responsible for generating the key. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * var array = [\n     *   { 'dir': 'left', 'code': 97 },\n     *   { 'dir': 'right', 'code': 100 }\n     * ];\n     *\n     * _.keyBy(array, function(o) {\n     *   return String.fromCharCode(o.code);\n     * });\n     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n     *\n     * _.keyBy(array, 'dir');\n     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n     */\n    var keyBy = createAggregator(function(result, value, key) {\n      baseAssignValue(result, key, value);\n    });\n\n    /**\n     * Creates an array of values by running each element in `collection` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n     *\n     * The guarded methods are:\n     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * _.map([4, 8], square);\n     * // => [16, 64]\n     *\n     * _.map({ 'a': 4, 'b': 8 }, square);\n     * // => [16, 64] (iteration order is not guaranteed)\n     *\n     * var users = [\n     *   { 'user': 'barney' },\n     *   { 'user': 'fred' }\n     * ];\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, 'user');\n     * // => ['barney', 'fred']\n     */\n    function map(collection, iteratee) {\n      var func = isArray(collection) ? arrayMap : baseMap;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.sortBy` except that it allows specifying the sort\n     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n     * descending or \"asc\" for ascending sort order of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @param {string[]} [orders] The sort orders of `iteratees`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 34 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 36 }\n     * ];\n     *\n     * // Sort by `user` in ascending order and by `age` in descending order.\n     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     */\n    function orderBy(collection, iteratees, orders, guard) {\n      if (collection == null) {\n        return [];\n      }\n      if (!isArray(iteratees)) {\n        iteratees = iteratees == null ? [] : [iteratees];\n      }\n      orders = guard ? undefined : orders;\n      if (!isArray(orders)) {\n        orders = orders == null ? [] : [orders];\n      }\n      return baseOrderBy(collection, iteratees, orders);\n    }\n\n    /**\n     * Creates an array of elements split into two groups, the first of which\n     * contains elements `predicate` returns truthy for, the second of which\n     * contains elements `predicate` returns falsey for. The predicate is\n     * invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of grouped elements.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': false },\n     *   { 'user': 'fred',    'age': 40, 'active': true },\n     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n     * ];\n     *\n     * _.partition(users, function(o) { return o.active; });\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.partition(users, { 'age': 1, 'active': false });\n     * // => objects for [['pebbles'], ['barney', 'fred']]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.partition(users, ['active', false]);\n     * // => objects for [['barney', 'pebbles'], ['fred']]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.partition(users, 'active');\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     */\n    var partition = createAggregator(function(result, value, key) {\n      result[key ? 0 : 1].push(value);\n    }, function() { return [[], []]; });\n\n    /**\n     * Reduces `collection` to a value which is the accumulated result of running\n     * each element in `collection` thru `iteratee`, where each successive\n     * invocation is supplied the return value of the previous. If `accumulator`\n     * is not given, the first element of `collection` is used as the initial\n     * value. The iteratee is invoked with four arguments:\n     * (accumulator, value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n     *\n     * The guarded methods are:\n     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n     * and `sortBy`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduceRight\n     * @example\n     *\n     * _.reduce([1, 2], function(sum, n) {\n     *   return sum + n;\n     * }, 0);\n     * // => 3\n     *\n     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     *   return result;\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n     */\n    function reduce(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduce : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n    }\n\n    /**\n     * This method is like `_.reduce` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduce\n     * @example\n     *\n     * var array = [[0, 1], [2, 3], [4, 5]];\n     *\n     * _.reduceRight(array, function(flattened, other) {\n     *   return flattened.concat(other);\n     * }, []);\n     * // => [4, 5, 2, 3, 0, 1]\n     */\n    function reduceRight(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n    }\n\n    /**\n     * The opposite of `_.filter`; this method returns the elements of `collection`\n     * that `predicate` does **not** return truthy for.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.filter\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': true }\n     * ];\n     *\n     * _.reject(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.reject(users, { 'age': 40, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.reject(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.reject(users, 'active');\n     * // => objects for ['barney']\n     */\n    function reject(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, negate(getIteratee(predicate, 3)));\n    }\n\n    /**\n     * Gets a random element from `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     * @example\n     *\n     * _.sample([1, 2, 3, 4]);\n     * // => 2\n     */\n    function sample(collection) {\n      var func = isArray(collection) ? arraySample : baseSample;\n      return func(collection);\n    }\n\n    /**\n     * Gets `n` random elements at unique keys from `collection` up to the\n     * size of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} [n=1] The number of elements to sample.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the random elements.\n     * @example\n     *\n     * _.sampleSize([1, 2, 3], 2);\n     * // => [3, 1]\n     *\n     * _.sampleSize([1, 2, 3], 4);\n     * // => [2, 3, 1]\n     */\n    function sampleSize(collection, n, guard) {\n      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n      return func(collection, n);\n    }\n\n    /**\n     * Creates an array of shuffled values, using a version of the\n     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     * @example\n     *\n     * _.shuffle([1, 2, 3, 4]);\n     * // => [4, 1, 3, 2]\n     */\n    function shuffle(collection) {\n      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n      return func(collection);\n    }\n\n    /**\n     * Gets the size of `collection` by returning its length for array-like\n     * values or the number of own enumerable string keyed properties for objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @returns {number} Returns the collection size.\n     * @example\n     *\n     * _.size([1, 2, 3]);\n     * // => 3\n     *\n     * _.size({ 'a': 1, 'b': 2 });\n     * // => 2\n     *\n     * _.size('pebbles');\n     * // => 7\n     */\n    function size(collection) {\n      if (collection == null) {\n        return 0;\n      }\n      if (isArrayLike(collection)) {\n        return isString(collection) ? stringSize(collection) : collection.length;\n      }\n      var tag = getTag(collection);\n      if (tag == mapTag || tag == setTag) {\n        return collection.size;\n      }\n      return baseKeys(collection).length;\n    }\n\n    /**\n     * Checks if `predicate` returns truthy for **any** element of `collection`.\n     * Iteration is stopped once `predicate` returns truthy. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.some([null, 0, 'yes', false], Boolean);\n     * // => true\n     *\n     * var users = [\n     *   { 'user': 'barney', 'active': true },\n     *   { 'user': 'fred',   'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.some(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.some(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.some(users, 'active');\n     * // => true\n     */\n    function some(collection, predicate, guard) {\n      var func = isArray(collection) ? arraySome : baseSome;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Creates an array of elements, sorted in ascending order by the results of\n     * running each element in a collection thru each iteratee. This method\n     * performs a stable sort, that is, it preserves the original sort order of\n     * equal elements. The iteratees are invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 34 }\n     * ];\n     *\n     * _.sortBy(users, [function(o) { return o.user; }]);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     *\n     * _.sortBy(users, ['user', 'age']);\n     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n     */\n    var sortBy = baseRest(function(collection, iteratees) {\n      if (collection == null) {\n        return [];\n      }\n      var length = iteratees.length;\n      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n        iteratees = [];\n      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n        iteratees = [iteratees[0]];\n      }\n      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Gets the timestamp of the number of milliseconds that have elapsed since\n     * the Unix epoch (1 January 1970 00:00:00 UTC).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Date\n     * @returns {number} Returns the timestamp.\n     * @example\n     *\n     * _.defer(function(stamp) {\n     *   console.log(_.now() - stamp);\n     * }, _.now());\n     * // => Logs the number of milliseconds it took for the deferred invocation.\n     */\n    var now = ctxNow || function() {\n      return root.Date.now();\n    };\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The opposite of `_.before`; this method creates a function that invokes\n     * `func` once it's called `n` or more times.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {number} n The number of calls before `func` is invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var saves = ['profile', 'settings'];\n     *\n     * var done = _.after(saves.length, function() {\n     *   console.log('done saving!');\n     * });\n     *\n     * _.forEach(saves, function(type) {\n     *   asyncSave({ 'type': type, 'complete': done });\n     * });\n     * // => Logs 'done saving!' after the two async saves have completed.\n     */\n    function after(n, func) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n < 1) {\n          return func.apply(this, arguments);\n        }\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func`, with up to `n` arguments,\n     * ignoring any additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @param {number} [n=func.length] The arity cap.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n     * // => [6, 8, 10]\n     */\n    function ary(func, n, guard) {\n      n = guard ? undefined : n;\n      n = (func && n == null) ? func.length : n;\n      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n    }\n\n    /**\n     * Creates a function that invokes `func`, with the `this` binding and arguments\n     * of the created function, while it's called less than `n` times. Subsequent\n     * calls to the created function return the result of the last `func` invocation.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {number} n The number of calls at which `func` is no longer invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * jQuery(element).on('click', _.before(5, addContactToList));\n     * // => Allows adding up to 4 contacts to the list.\n     */\n    function before(n, func) {\n      var result;\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n > 0) {\n          result = func.apply(this, arguments);\n        }\n        if (n <= 1) {\n          func = undefined;\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n     * and `partials` prepended to the arguments it receives.\n     *\n     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n     * property of bound functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to bind.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * function greet(greeting, punctuation) {\n     *   return greeting + ' ' + this.user + punctuation;\n     * }\n     *\n     * var object = { 'user': 'fred' };\n     *\n     * var bound = _.bind(greet, object, 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bind(greet, object, _, '!');\n     * bound('hi');\n     * // => 'hi fred!'\n     */\n    var bind = baseRest(function(func, thisArg, partials) {\n      var bitmask = WRAP_BIND_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bind));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(func, bitmask, thisArg, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes the method at `object[key]` with `partials`\n     * prepended to the arguments it receives.\n     *\n     * This method differs from `_.bind` by allowing bound functions to reference\n     * methods that may be redefined or don't yet exist. See\n     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n     * for more details.\n     *\n     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Function\n     * @param {Object} object The object to invoke the method on.\n     * @param {string} key The key of the method.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * var object = {\n     *   'user': 'fred',\n     *   'greet': function(greeting, punctuation) {\n     *     return greeting + ' ' + this.user + punctuation;\n     *   }\n     * };\n     *\n     * var bound = _.bindKey(object, 'greet', 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * object.greet = function(greeting, punctuation) {\n     *   return greeting + 'ya ' + this.user + punctuation;\n     * };\n     *\n     * bound('!');\n     * // => 'hiya fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bindKey(object, 'greet', _, '!');\n     * bound('hi');\n     * // => 'hiya fred!'\n     */\n    var bindKey = baseRest(function(object, key, partials) {\n      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bindKey));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(key, bitmask, object, partials, holders);\n    });\n\n    /**\n     * Creates a function that accepts arguments of `func` and either invokes\n     * `func` returning its result, if at least `arity` number of arguments have\n     * been provided, or returns a function that accepts the remaining `func`\n     * arguments, and so on. The arity of `func` may be specified if `func.length`\n     * is not sufficient.\n     *\n     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curry(abc);\n     *\n     * curried(1)(2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(1)(_, 3)(2);\n     * // => [1, 2, 3]\n     */\n    function curry(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curry.placeholder;\n      return result;\n    }\n\n    /**\n     * This method is like `_.curry` except that arguments are applied to `func`\n     * in the manner of `_.partialRight` instead of `_.partial`.\n     *\n     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curryRight(abc);\n     *\n     * curried(3)(2)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(2, 3)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(3)(1, _)(2);\n     * // => [1, 2, 3]\n     */\n    function curryRight(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curryRight.placeholder;\n      return result;\n    }\n\n    /**\n     * Creates a debounced function that delays invoking `func` until after `wait`\n     * milliseconds have elapsed since the last time the debounced function was\n     * invoked. The debounced function comes with a `cancel` method to cancel\n     * delayed `func` invocations and a `flush` method to immediately invoke them.\n     * Provide `options` to indicate whether `func` should be invoked on the\n     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n     * with the last arguments provided to the debounced function. Subsequent\n     * calls to the debounced function return the result of the last `func`\n     * invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the debounced function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.debounce` and `_.throttle`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to debounce.\n     * @param {number} [wait=0] The number of milliseconds to delay.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=false]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {number} [options.maxWait]\n     *  The maximum time `func` is allowed to be delayed before it's invoked.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new debounced function.\n     * @example\n     *\n     * // Avoid costly calculations while the window size is in flux.\n     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n     *\n     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n     *   'leading': true,\n     *   'trailing': false\n     * }));\n     *\n     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n     * var source = new EventSource('/stream');\n     * jQuery(source).on('message', debounced);\n     *\n     * // Cancel the trailing debounced invocation.\n     * jQuery(window).on('popstate', debounced.cancel);\n     */\n    function debounce(func, wait, options) {\n      var lastArgs,\n          lastThis,\n          maxWait,\n          result,\n          timerId,\n          lastCallTime,\n          lastInvokeTime = 0,\n          leading = false,\n          maxing = false,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      wait = toNumber(wait) || 0;\n      if (isObject(options)) {\n        leading = !!options.leading;\n        maxing = 'maxWait' in options;\n        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n\n      function invokeFunc(time) {\n        var args = lastArgs,\n            thisArg = lastThis;\n\n        lastArgs = lastThis = undefined;\n        lastInvokeTime = time;\n        result = func.apply(thisArg, args);\n        return result;\n      }\n\n      function leadingEdge(time) {\n        // Reset any `maxWait` timer.\n        lastInvokeTime = time;\n        // Start the timer for the trailing edge.\n        timerId = setTimeout(timerExpired, wait);\n        // Invoke the leading edge.\n        return leading ? invokeFunc(time) : result;\n      }\n\n      function remainingWait(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime,\n            result = wait - timeSinceLastCall;\n\n        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n      }\n\n      function shouldInvoke(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime;\n\n        // Either this is the first call, activity has stopped and we're at the\n        // trailing edge, the system time has gone backwards and we're treating\n        // it as the trailing edge, or we've hit the `maxWait` limit.\n        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n      }\n\n      function timerExpired() {\n        var time = now();\n        if (shouldInvoke(time)) {\n          return trailingEdge(time);\n        }\n        // Restart the timer.\n        timerId = setTimeout(timerExpired, remainingWait(time));\n      }\n\n      function trailingEdge(time) {\n        timerId = undefined;\n\n        // Only invoke if we have `lastArgs` which means `func` has been\n        // debounced at least once.\n        if (trailing && lastArgs) {\n          return invokeFunc(time);\n        }\n        lastArgs = lastThis = undefined;\n        return result;\n      }\n\n      function cancel() {\n        if (timerId !== undefined) {\n          clearTimeout(timerId);\n        }\n        lastInvokeTime = 0;\n        lastArgs = lastCallTime = lastThis = timerId = undefined;\n      }\n\n      function flush() {\n        return timerId === undefined ? result : trailingEdge(now());\n      }\n\n      function debounced() {\n        var time = now(),\n            isInvoking = shouldInvoke(time);\n\n        lastArgs = arguments;\n        lastThis = this;\n        lastCallTime = time;\n\n        if (isInvoking) {\n          if (timerId === undefined) {\n            return leadingEdge(lastCallTime);\n          }\n          if (maxing) {\n            // Handle invocations in a tight loop.\n            timerId = setTimeout(timerExpired, wait);\n            return invokeFunc(lastCallTime);\n          }\n        }\n        if (timerId === undefined) {\n          timerId = setTimeout(timerExpired, wait);\n        }\n        return result;\n      }\n      debounced.cancel = cancel;\n      debounced.flush = flush;\n      return debounced;\n    }\n\n    /**\n     * Defers invoking the `func` until the current call stack has cleared. Any\n     * additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to defer.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.defer(function(text) {\n     *   console.log(text);\n     * }, 'deferred');\n     * // => Logs 'deferred' after one millisecond.\n     */\n    var defer = baseRest(function(func, args) {\n      return baseDelay(func, 1, args);\n    });\n\n    /**\n     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n     * provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.delay(function(text) {\n     *   console.log(text);\n     * }, 1000, 'later');\n     * // => Logs 'later' after one second.\n     */\n    var delay = baseRest(function(func, wait, args) {\n      return baseDelay(func, toNumber(wait) || 0, args);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments reversed.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to flip arguments for.\n     * @returns {Function} Returns the new flipped function.\n     * @example\n     *\n     * var flipped = _.flip(function() {\n     *   return _.toArray(arguments);\n     * });\n     *\n     * flipped('a', 'b', 'c', 'd');\n     * // => ['d', 'c', 'b', 'a']\n     */\n    function flip(func) {\n      return createWrap(func, WRAP_FLIP_FLAG);\n    }\n\n    /**\n     * Creates a function that memoizes the result of `func`. If `resolver` is\n     * provided, it determines the cache key for storing the result based on the\n     * arguments provided to the memoized function. By default, the first argument\n     * provided to the memoized function is used as the map cache key. The `func`\n     * is invoked with the `this` binding of the memoized function.\n     *\n     * **Note:** The cache is exposed as the `cache` property on the memoized\n     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n     * constructor with one whose instances implement the\n     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to have its output memoized.\n     * @param {Function} [resolver] The function to resolve the cache key.\n     * @returns {Function} Returns the new memoized function.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     * var other = { 'c': 3, 'd': 4 };\n     *\n     * var values = _.memoize(_.values);\n     * values(object);\n     * // => [1, 2]\n     *\n     * values(other);\n     * // => [3, 4]\n     *\n     * object.a = 2;\n     * values(object);\n     * // => [1, 2]\n     *\n     * // Modify the result cache.\n     * values.cache.set(object, ['a', 'b']);\n     * values(object);\n     * // => ['a', 'b']\n     *\n     * // Replace `_.memoize.Cache`.\n     * _.memoize.Cache = WeakMap;\n     */\n    function memoize(func, resolver) {\n      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var memoized = function() {\n        var args = arguments,\n            key = resolver ? resolver.apply(this, args) : args[0],\n            cache = memoized.cache;\n\n        if (cache.has(key)) {\n          return cache.get(key);\n        }\n        var result = func.apply(this, args);\n        memoized.cache = cache.set(key, result) || cache;\n        return result;\n      };\n      memoized.cache = new (memoize.Cache || MapCache);\n      return memoized;\n    }\n\n    // Expose `MapCache`.\n    memoize.Cache = MapCache;\n\n    /**\n     * Creates a function that negates the result of the predicate `func`. The\n     * `func` predicate is invoked with the `this` binding and arguments of the\n     * created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} predicate The predicate to negate.\n     * @returns {Function} Returns the new negated function.\n     * @example\n     *\n     * function isEven(n) {\n     *   return n % 2 == 0;\n     * }\n     *\n     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n     * // => [1, 3, 5]\n     */\n    function negate(predicate) {\n      if (typeof predicate != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return function() {\n        var args = arguments;\n        switch (args.length) {\n          case 0: return !predicate.call(this);\n          case 1: return !predicate.call(this, args[0]);\n          case 2: return !predicate.call(this, args[0], args[1]);\n          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n        }\n        return !predicate.apply(this, args);\n      };\n    }\n\n    /**\n     * Creates a function that is restricted to invoking `func` once. Repeat calls\n     * to the function return the value of the first invocation. The `func` is\n     * invoked with the `this` binding and arguments of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var initialize = _.once(createApplication);\n     * initialize();\n     * initialize();\n     * // => `createApplication` is invoked once\n     */\n    function once(func) {\n      return before(2, func);\n    }\n\n    /**\n     * Creates a function that invokes `func` with its arguments transformed.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to wrap.\n     * @param {...(Function|Function[])} [transforms=[_.identity]]\n     *  The argument transforms.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * function doubled(n) {\n     *   return n * 2;\n     * }\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var func = _.overArgs(function(x, y) {\n     *   return [x, y];\n     * }, [square, doubled]);\n     *\n     * func(9, 3);\n     * // => [81, 6]\n     *\n     * func(10, 5);\n     * // => [100, 10]\n     */\n    var overArgs = castRest(function(func, transforms) {\n      transforms = (transforms.length == 1 && isArray(transforms[0]))\n        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n      var funcsLength = transforms.length;\n      return baseRest(function(args) {\n        var index = -1,\n            length = nativeMin(args.length, funcsLength);\n\n        while (++index < length) {\n          args[index] = transforms[index].call(this, args[index]);\n        }\n        return apply(func, this, args);\n      });\n    });\n\n    /**\n     * Creates a function that invokes `func` with `partials` prepended to the\n     * arguments it receives. This method is like `_.bind` except it does **not**\n     * alter the `this` binding.\n     *\n     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.2.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var sayHelloTo = _.partial(greet, 'hello');\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     *\n     * // Partially applied with placeholders.\n     * var greetFred = _.partial(greet, _, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     */\n    var partial = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partial));\n      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * This method is like `_.partial` except that partially applied arguments\n     * are appended to the arguments it receives.\n     *\n     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var greetFred = _.partialRight(greet, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     *\n     * // Partially applied with placeholders.\n     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     */\n    var partialRight = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partialRight));\n      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments arranged according\n     * to the specified `indexes` where the argument value at the first index is\n     * provided as the first argument, the argument value at the second index is\n     * provided as the second argument, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to rearrange arguments for.\n     * @param {...(number|number[])} indexes The arranged argument indexes.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var rearged = _.rearg(function(a, b, c) {\n     *   return [a, b, c];\n     * }, [2, 0, 1]);\n     *\n     * rearged('b', 'c', 'a')\n     * // => ['a', 'b', 'c']\n     */\n    var rearg = flatRest(function(func, indexes) {\n      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n    });\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * created function and arguments from `start` and beyond provided as\n     * an array.\n     *\n     * **Note:** This method is based on the\n     * [rest parameter](https://mdn.io/rest_parameters).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.rest(function(what, names) {\n     *   return what + ' ' + _.initial(names).join(', ') +\n     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n     * });\n     *\n     * say('hello', 'fred', 'barney', 'pebbles');\n     * // => 'hello fred, barney, & pebbles'\n     */\n    function rest(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start === undefined ? start : toInteger(start);\n      return baseRest(func, start);\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * create function and an array of arguments much like\n     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n     *\n     * **Note:** This method is based on the\n     * [spread operator](https://mdn.io/spread_operator).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Function\n     * @param {Function} func The function to spread arguments over.\n     * @param {number} [start=0] The start position of the spread.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.spread(function(who, what) {\n     *   return who + ' says ' + what;\n     * });\n     *\n     * say(['fred', 'hello']);\n     * // => 'fred says hello'\n     *\n     * var numbers = Promise.all([\n     *   Promise.resolve(40),\n     *   Promise.resolve(36)\n     * ]);\n     *\n     * numbers.then(_.spread(function(x, y) {\n     *   return x + y;\n     * }));\n     * // => a Promise of 76\n     */\n    function spread(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n      return baseRest(function(args) {\n        var array = args[start],\n            otherArgs = castSlice(args, 0, start);\n\n        if (array) {\n          arrayPush(otherArgs, array);\n        }\n        return apply(func, this, otherArgs);\n      });\n    }\n\n    /**\n     * Creates a throttled function that only invokes `func` at most once per\n     * every `wait` milliseconds. The throttled function comes with a `cancel`\n     * method to cancel delayed `func` invocations and a `flush` method to\n     * immediately invoke them. Provide `options` to indicate whether `func`\n     * should be invoked on the leading and/or trailing edge of the `wait`\n     * timeout. The `func` is invoked with the last arguments provided to the\n     * throttled function. Subsequent calls to the throttled function return the\n     * result of the last `func` invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the throttled function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.throttle` and `_.debounce`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to throttle.\n     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=true]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new throttled function.\n     * @example\n     *\n     * // Avoid excessively updating the position while scrolling.\n     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n     *\n     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n     * jQuery(element).on('click', throttled);\n     *\n     * // Cancel the trailing throttled invocation.\n     * jQuery(window).on('popstate', throttled.cancel);\n     */\n    function throttle(func, wait, options) {\n      var leading = true,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      if (isObject(options)) {\n        leading = 'leading' in options ? !!options.leading : leading;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n      return debounce(func, wait, {\n        'leading': leading,\n        'maxWait': wait,\n        'trailing': trailing\n      });\n    }\n\n    /**\n     * Creates a function that accepts up to one argument, ignoring any\n     * additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.unary(parseInt));\n     * // => [6, 8, 10]\n     */\n    function unary(func) {\n      return ary(func, 1);\n    }\n\n    /**\n     * Creates a function that provides `value` to `wrapper` as its first\n     * argument. Any additional arguments provided to the function are appended\n     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n     * binding of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {*} value The value to wrap.\n     * @param {Function} [wrapper=identity] The wrapper function.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var p = _.wrap(_.escape, function(func, text) {\n     *   return '<p>' + func(text) + '</p>';\n     * });\n     *\n     * p('fred, barney, & pebbles');\n     * // => '<p>fred, barney, &amp; pebbles</p>'\n     */\n    function wrap(value, wrapper) {\n      return partial(castFunction(wrapper), value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Casts `value` as an array if it's not one.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Lang\n     * @param {*} value The value to inspect.\n     * @returns {Array} Returns the cast array.\n     * @example\n     *\n     * _.castArray(1);\n     * // => [1]\n     *\n     * _.castArray({ 'a': 1 });\n     * // => [{ 'a': 1 }]\n     *\n     * _.castArray('abc');\n     * // => ['abc']\n     *\n     * _.castArray(null);\n     * // => [null]\n     *\n     * _.castArray(undefined);\n     * // => [undefined]\n     *\n     * _.castArray();\n     * // => []\n     *\n     * var array = [1, 2, 3];\n     * console.log(_.castArray(array) === array);\n     * // => true\n     */\n    function castArray() {\n      if (!arguments.length) {\n        return [];\n      }\n      var value = arguments[0];\n      return isArray(value) ? value : [value];\n    }\n\n    /**\n     * Creates a shallow clone of `value`.\n     *\n     * **Note:** This method is loosely based on the\n     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n     * arrays. The own enumerable properties of `arguments` objects are cloned\n     * as plain objects. An empty object is returned for uncloneable values such\n     * as error objects, functions, DOM nodes, and WeakMaps.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeep\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var shallow = _.clone(objects);\n     * console.log(shallow[0] === objects[0]);\n     * // => true\n     */\n    function clone(value) {\n      return baseClone(value, CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.clone` except that it accepts `customizer` which\n     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n     * cloning is handled by the method instead. The `customizer` is invoked with\n     * up to four arguments; (value [, index|key, object, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeepWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(false);\n     *   }\n     * }\n     *\n     * var el = _.cloneWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 0\n     */\n    function cloneWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * This method is like `_.clone` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.clone\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var deep = _.cloneDeep(objects);\n     * console.log(deep[0] === objects[0]);\n     * // => false\n     */\n    function cloneDeep(value) {\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.cloneWith` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.cloneWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(true);\n     *   }\n     * }\n     *\n     * var el = _.cloneDeepWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 20\n     */\n    function cloneDeepWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * Checks if `object` conforms to `source` by invoking the predicate\n     * properties of `source` with the corresponding property values of `object`.\n     *\n     * **Note:** This method is equivalent to `_.conforms` when `source` is\n     * partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n     * // => true\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n     * // => false\n     */\n    function conformsTo(object, source) {\n      return source == null || baseConformsTo(object, source, keys(source));\n    }\n\n    /**\n     * Performs a\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * comparison between two values to determine if they are equivalent.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.eq(object, object);\n     * // => true\n     *\n     * _.eq(object, other);\n     * // => false\n     *\n     * _.eq('a', 'a');\n     * // => true\n     *\n     * _.eq('a', Object('a'));\n     * // => false\n     *\n     * _.eq(NaN, NaN);\n     * // => true\n     */\n    function eq(value, other) {\n      return value === other || (value !== value && other !== other);\n    }\n\n    /**\n     * Checks if `value` is greater than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     * @see _.lt\n     * @example\n     *\n     * _.gt(3, 1);\n     * // => true\n     *\n     * _.gt(3, 3);\n     * // => false\n     *\n     * _.gt(1, 3);\n     * // => false\n     */\n    var gt = createRelationalOperation(baseGt);\n\n    /**\n     * Checks if `value` is greater than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n     *  `other`, else `false`.\n     * @see _.lte\n     * @example\n     *\n     * _.gte(3, 1);\n     * // => true\n     *\n     * _.gte(3, 3);\n     * // => true\n     *\n     * _.gte(1, 3);\n     * // => false\n     */\n    var gte = createRelationalOperation(function(value, other) {\n      return value >= other;\n    });\n\n    /**\n     * Checks if `value` is likely an `arguments` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArguments(function() { return arguments; }());\n     * // => true\n     *\n     * _.isArguments([1, 2, 3]);\n     * // => false\n     */\n    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n        !propertyIsEnumerable.call(value, 'callee');\n    };\n\n    /**\n     * Checks if `value` is classified as an `Array` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n     * @example\n     *\n     * _.isArray([1, 2, 3]);\n     * // => true\n     *\n     * _.isArray(document.body.children);\n     * // => false\n     *\n     * _.isArray('abc');\n     * // => false\n     *\n     * _.isArray(_.noop);\n     * // => false\n     */\n    var isArray = Array.isArray;\n\n    /**\n     * Checks if `value` is classified as an `ArrayBuffer` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     * @example\n     *\n     * _.isArrayBuffer(new ArrayBuffer(2));\n     * // => true\n     *\n     * _.isArrayBuffer(new Array(2));\n     * // => false\n     */\n    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n    /**\n     * Checks if `value` is array-like. A value is considered array-like if it's\n     * not a function and has a `value.length` that's an integer greater than or\n     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n     * @example\n     *\n     * _.isArrayLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLike(document.body.children);\n     * // => true\n     *\n     * _.isArrayLike('abc');\n     * // => true\n     *\n     * _.isArrayLike(_.noop);\n     * // => false\n     */\n    function isArrayLike(value) {\n      return value != null && isLength(value.length) && !isFunction(value);\n    }\n\n    /**\n     * This method is like `_.isArrayLike` except that it also checks if `value`\n     * is an object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array-like object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArrayLikeObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLikeObject(document.body.children);\n     * // => true\n     *\n     * _.isArrayLikeObject('abc');\n     * // => false\n     *\n     * _.isArrayLikeObject(_.noop);\n     * // => false\n     */\n    function isArrayLikeObject(value) {\n      return isObjectLike(value) && isArrayLike(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a boolean primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n     * @example\n     *\n     * _.isBoolean(false);\n     * // => true\n     *\n     * _.isBoolean(null);\n     * // => false\n     */\n    function isBoolean(value) {\n      return value === true || value === false ||\n        (isObjectLike(value) && baseGetTag(value) == boolTag);\n    }\n\n    /**\n     * Checks if `value` is a buffer.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n     * @example\n     *\n     * _.isBuffer(new Buffer(2));\n     * // => true\n     *\n     * _.isBuffer(new Uint8Array(2));\n     * // => false\n     */\n    var isBuffer = nativeIsBuffer || stubFalse;\n\n    /**\n     * Checks if `value` is classified as a `Date` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     * @example\n     *\n     * _.isDate(new Date);\n     * // => true\n     *\n     * _.isDate('Mon April 23 2012');\n     * // => false\n     */\n    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n    /**\n     * Checks if `value` is likely a DOM element.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n     * @example\n     *\n     * _.isElement(document.body);\n     * // => true\n     *\n     * _.isElement('<body>');\n     * // => false\n     */\n    function isElement(value) {\n      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n    }\n\n    /**\n     * Checks if `value` is an empty object, collection, map, or set.\n     *\n     * Objects are considered empty if they have no own enumerable string keyed\n     * properties.\n     *\n     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n     * jQuery-like collections are considered empty if they have a `length` of `0`.\n     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n     * @example\n     *\n     * _.isEmpty(null);\n     * // => true\n     *\n     * _.isEmpty(true);\n     * // => true\n     *\n     * _.isEmpty(1);\n     * // => true\n     *\n     * _.isEmpty([1, 2, 3]);\n     * // => false\n     *\n     * _.isEmpty({ 'a': 1 });\n     * // => false\n     */\n    function isEmpty(value) {\n      if (value == null) {\n        return true;\n      }\n      if (isArrayLike(value) &&\n          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n        return !value.length;\n      }\n      var tag = getTag(value);\n      if (tag == mapTag || tag == setTag) {\n        return !value.size;\n      }\n      if (isPrototype(value)) {\n        return !baseKeys(value).length;\n      }\n      for (var key in value) {\n        if (hasOwnProperty.call(value, key)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * Performs a deep comparison between two values to determine if they are\n     * equivalent.\n     *\n     * **Note:** This method supports comparing arrays, array buffers, booleans,\n     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n     * by their own, not inherited, enumerable properties. Functions and DOM\n     * nodes are compared by strict equality, i.e. `===`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.isEqual(object, other);\n     * // => true\n     *\n     * object === other;\n     * // => false\n     */\n    function isEqual(value, other) {\n      return baseIsEqual(value, other);\n    }\n\n    /**\n     * This method is like `_.isEqual` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with up to\n     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, othValue) {\n     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var array = ['hello', 'goodbye'];\n     * var other = ['hi', 'goodbye'];\n     *\n     * _.isEqualWith(array, other, customizer);\n     * // => true\n     */\n    function isEqualWith(value, other, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      var result = customizer ? customizer(value, other) : undefined;\n      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n    }\n\n    /**\n     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n     * `SyntaxError`, `TypeError`, or `URIError` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n     * @example\n     *\n     * _.isError(new Error);\n     * // => true\n     *\n     * _.isError(Error);\n     * // => false\n     */\n    function isError(value) {\n      if (!isObjectLike(value)) {\n        return false;\n      }\n      var tag = baseGetTag(value);\n      return tag == errorTag || tag == domExcTag ||\n        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n    }\n\n    /**\n     * Checks if `value` is a finite primitive number.\n     *\n     * **Note:** This method is based on\n     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n     * @example\n     *\n     * _.isFinite(3);\n     * // => true\n     *\n     * _.isFinite(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isFinite(Infinity);\n     * // => false\n     *\n     * _.isFinite('3');\n     * // => false\n     */\n    function isFinite(value) {\n      return typeof value == 'number' && nativeIsFinite(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Function` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n     * @example\n     *\n     * _.isFunction(_);\n     * // => true\n     *\n     * _.isFunction(/abc/);\n     * // => false\n     */\n    function isFunction(value) {\n      if (!isObject(value)) {\n        return false;\n      }\n      // The use of `Object#toString` avoids issues with the `typeof` operator\n      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n      var tag = baseGetTag(value);\n      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n    }\n\n    /**\n     * Checks if `value` is an integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n     * @example\n     *\n     * _.isInteger(3);\n     * // => true\n     *\n     * _.isInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isInteger(Infinity);\n     * // => false\n     *\n     * _.isInteger('3');\n     * // => false\n     */\n    function isInteger(value) {\n      return typeof value == 'number' && value == toInteger(value);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like length.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n     * @example\n     *\n     * _.isLength(3);\n     * // => true\n     *\n     * _.isLength(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isLength(Infinity);\n     * // => false\n     *\n     * _.isLength('3');\n     * // => false\n     */\n    function isLength(value) {\n      return typeof value == 'number' &&\n        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is the\n     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n     * @example\n     *\n     * _.isObject({});\n     * // => true\n     *\n     * _.isObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isObject(_.noop);\n     * // => true\n     *\n     * _.isObject(null);\n     * // => false\n     */\n    function isObject(value) {\n      var type = typeof value;\n      return value != null && (type == 'object' || type == 'function');\n    }\n\n    /**\n     * Checks if `value` is object-like. A value is object-like if it's not `null`\n     * and has a `typeof` result of \"object\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n     * @example\n     *\n     * _.isObjectLike({});\n     * // => true\n     *\n     * _.isObjectLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isObjectLike(_.noop);\n     * // => false\n     *\n     * _.isObjectLike(null);\n     * // => false\n     */\n    function isObjectLike(value) {\n      return value != null && typeof value == 'object';\n    }\n\n    /**\n     * Checks if `value` is classified as a `Map` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     * @example\n     *\n     * _.isMap(new Map);\n     * // => true\n     *\n     * _.isMap(new WeakMap);\n     * // => false\n     */\n    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n    /**\n     * Performs a partial deep comparison between `object` and `source` to\n     * determine if `object` contains equivalent property values.\n     *\n     * **Note:** This method is equivalent to `_.matches` when `source` is\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.isMatch(object, { 'b': 2 });\n     * // => true\n     *\n     * _.isMatch(object, { 'b': 1 });\n     * // => false\n     */\n    function isMatch(object, source) {\n      return object === source || baseIsMatch(object, source, getMatchData(source));\n    }\n\n    /**\n     * This method is like `_.isMatch` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with five\n     * arguments: (objValue, srcValue, index|key, object, source).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var object = { 'greeting': 'hello' };\n     * var source = { 'greeting': 'hi' };\n     *\n     * _.isMatchWith(object, source, customizer);\n     * // => true\n     */\n    function isMatchWith(object, source, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseIsMatch(object, source, getMatchData(source), customizer);\n    }\n\n    /**\n     * Checks if `value` is `NaN`.\n     *\n     * **Note:** This method is based on\n     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n     * `undefined` and other non-number values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n     * @example\n     *\n     * _.isNaN(NaN);\n     * // => true\n     *\n     * _.isNaN(new Number(NaN));\n     * // => true\n     *\n     * isNaN(undefined);\n     * // => true\n     *\n     * _.isNaN(undefined);\n     * // => false\n     */\n    function isNaN(value) {\n      // An `NaN` primitive is the only value that is not equal to itself.\n      // Perform the `toStringTag` check first to avoid errors with some\n      // ActiveX objects in IE.\n      return isNumber(value) && value != +value;\n    }\n\n    /**\n     * Checks if `value` is a pristine native function.\n     *\n     * **Note:** This method can't reliably detect native functions in the presence\n     * of the core-js package because core-js circumvents this kind of detection.\n     * Despite multiple requests, the core-js maintainer has made it clear: any\n     * attempt to fix the detection will be obstructed. As a result, we're left\n     * with little choice but to throw an error. Unfortunately, this also affects\n     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n     * which rely on core-js.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     * @example\n     *\n     * _.isNative(Array.prototype.push);\n     * // => true\n     *\n     * _.isNative(_);\n     * // => false\n     */\n    function isNative(value) {\n      if (isMaskable(value)) {\n        throw new Error(CORE_ERROR_TEXT);\n      }\n      return baseIsNative(value);\n    }\n\n    /**\n     * Checks if `value` is `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n     * @example\n     *\n     * _.isNull(null);\n     * // => true\n     *\n     * _.isNull(void 0);\n     * // => false\n     */\n    function isNull(value) {\n      return value === null;\n    }\n\n    /**\n     * Checks if `value` is `null` or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n     * @example\n     *\n     * _.isNil(null);\n     * // => true\n     *\n     * _.isNil(void 0);\n     * // => true\n     *\n     * _.isNil(NaN);\n     * // => false\n     */\n    function isNil(value) {\n      return value == null;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Number` primitive or object.\n     *\n     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n     * classified as numbers, use the `_.isFinite` method.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n     * @example\n     *\n     * _.isNumber(3);\n     * // => true\n     *\n     * _.isNumber(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isNumber(Infinity);\n     * // => true\n     *\n     * _.isNumber('3');\n     * // => false\n     */\n    function isNumber(value) {\n      return typeof value == 'number' ||\n        (isObjectLike(value) && baseGetTag(value) == numberTag);\n    }\n\n    /**\n     * Checks if `value` is a plain object, that is, an object created by the\n     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.8.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * _.isPlainObject(new Foo);\n     * // => false\n     *\n     * _.isPlainObject([1, 2, 3]);\n     * // => false\n     *\n     * _.isPlainObject({ 'x': 0, 'y': 0 });\n     * // => true\n     *\n     * _.isPlainObject(Object.create(null));\n     * // => true\n     */\n    function isPlainObject(value) {\n      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n        return false;\n      }\n      var proto = getPrototype(value);\n      if (proto === null) {\n        return true;\n      }\n      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n        funcToString.call(Ctor) == objectCtorString;\n    }\n\n    /**\n     * Checks if `value` is classified as a `RegExp` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     * @example\n     *\n     * _.isRegExp(/abc/);\n     * // => true\n     *\n     * _.isRegExp('/abc/');\n     * // => false\n     */\n    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n    /**\n     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n     * double precision number which isn't the result of a rounded unsafe integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n     * @example\n     *\n     * _.isSafeInteger(3);\n     * // => true\n     *\n     * _.isSafeInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isSafeInteger(Infinity);\n     * // => false\n     *\n     * _.isSafeInteger('3');\n     * // => false\n     */\n    function isSafeInteger(value) {\n      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Set` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     * @example\n     *\n     * _.isSet(new Set);\n     * // => true\n     *\n     * _.isSet(new WeakSet);\n     * // => false\n     */\n    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n    /**\n     * Checks if `value` is classified as a `String` primitive or object.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n     * @example\n     *\n     * _.isString('abc');\n     * // => true\n     *\n     * _.isString(1);\n     * // => false\n     */\n    function isString(value) {\n      return typeof value == 'string' ||\n        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Symbol` primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n     * @example\n     *\n     * _.isSymbol(Symbol.iterator);\n     * // => true\n     *\n     * _.isSymbol('abc');\n     * // => false\n     */\n    function isSymbol(value) {\n      return typeof value == 'symbol' ||\n        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a typed array.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     * @example\n     *\n     * _.isTypedArray(new Uint8Array);\n     * // => true\n     *\n     * _.isTypedArray([]);\n     * // => false\n     */\n    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n    /**\n     * Checks if `value` is `undefined`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n     * @example\n     *\n     * _.isUndefined(void 0);\n     * // => true\n     *\n     * _.isUndefined(null);\n     * // => false\n     */\n    function isUndefined(value) {\n      return value === undefined;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakMap` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n     * @example\n     *\n     * _.isWeakMap(new WeakMap);\n     * // => true\n     *\n     * _.isWeakMap(new Map);\n     * // => false\n     */\n    function isWeakMap(value) {\n      return isObjectLike(value) && getTag(value) == weakMapTag;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakSet` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n     * @example\n     *\n     * _.isWeakSet(new WeakSet);\n     * // => true\n     *\n     * _.isWeakSet(new Set);\n     * // => false\n     */\n    function isWeakSet(value) {\n      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n    }\n\n    /**\n     * Checks if `value` is less than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     * @see _.gt\n     * @example\n     *\n     * _.lt(1, 3);\n     * // => true\n     *\n     * _.lt(3, 3);\n     * // => false\n     *\n     * _.lt(3, 1);\n     * // => false\n     */\n    var lt = createRelationalOperation(baseLt);\n\n    /**\n     * Checks if `value` is less than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than or equal to\n     *  `other`, else `false`.\n     * @see _.gte\n     * @example\n     *\n     * _.lte(1, 3);\n     * // => true\n     *\n     * _.lte(3, 3);\n     * // => true\n     *\n     * _.lte(3, 1);\n     * // => false\n     */\n    var lte = createRelationalOperation(function(value, other) {\n      return value <= other;\n    });\n\n    /**\n     * Converts `value` to an array.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the converted array.\n     * @example\n     *\n     * _.toArray({ 'a': 1, 'b': 2 });\n     * // => [1, 2]\n     *\n     * _.toArray('abc');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toArray(1);\n     * // => []\n     *\n     * _.toArray(null);\n     * // => []\n     */\n    function toArray(value) {\n      if (!value) {\n        return [];\n      }\n      if (isArrayLike(value)) {\n        return isString(value) ? stringToArray(value) : copyArray(value);\n      }\n      if (symIterator && value[symIterator]) {\n        return iteratorToArray(value[symIterator]());\n      }\n      var tag = getTag(value),\n          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n      return func(value);\n    }\n\n    /**\n     * Converts `value` to a finite number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.12.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted number.\n     * @example\n     *\n     * _.toFinite(3.2);\n     * // => 3.2\n     *\n     * _.toFinite(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toFinite(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toFinite('3.2');\n     * // => 3.2\n     */\n    function toFinite(value) {\n      if (!value) {\n        return value === 0 ? value : 0;\n      }\n      value = toNumber(value);\n      if (value === INFINITY || value === -INFINITY) {\n        var sign = (value < 0 ? -1 : 1);\n        return sign * MAX_INTEGER;\n      }\n      return value === value ? value : 0;\n    }\n\n    /**\n     * Converts `value` to an integer.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toInteger(3.2);\n     * // => 3\n     *\n     * _.toInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toInteger(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toInteger('3.2');\n     * // => 3\n     */\n    function toInteger(value) {\n      var result = toFinite(value),\n          remainder = result % 1;\n\n      return result === result ? (remainder ? result - remainder : result) : 0;\n    }\n\n    /**\n     * Converts `value` to an integer suitable for use as the length of an\n     * array-like object.\n     *\n     * **Note:** This method is based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toLength(3.2);\n     * // => 3\n     *\n     * _.toLength(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toLength(Infinity);\n     * // => 4294967295\n     *\n     * _.toLength('3.2');\n     * // => 3\n     */\n    function toLength(value) {\n      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n    }\n\n    /**\n     * Converts `value` to a number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     * @example\n     *\n     * _.toNumber(3.2);\n     * // => 3.2\n     *\n     * _.toNumber(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toNumber(Infinity);\n     * // => Infinity\n     *\n     * _.toNumber('3.2');\n     * // => 3.2\n     */\n    function toNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      if (isObject(value)) {\n        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n        value = isObject(other) ? (other + '') : other;\n      }\n      if (typeof value != 'string') {\n        return value === 0 ? value : +value;\n      }\n      value = value.replace(reTrim, '');\n      var isBinary = reIsBinary.test(value);\n      return (isBinary || reIsOctal.test(value))\n        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n        : (reIsBadHex.test(value) ? NAN : +value);\n    }\n\n    /**\n     * Converts `value` to a plain object flattening inherited enumerable string\n     * keyed properties of `value` to own properties of the plain object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Object} Returns the converted plain object.\n     * @example\n     *\n     * function Foo() {\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.assign({ 'a': 1 }, new Foo);\n     * // => { 'a': 1, 'b': 2 }\n     *\n     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n     * // => { 'a': 1, 'b': 2, 'c': 3 }\n     */\n    function toPlainObject(value) {\n      return copyObject(value, keysIn(value));\n    }\n\n    /**\n     * Converts `value` to a safe integer. A safe integer can be compared and\n     * represented correctly.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toSafeInteger(3.2);\n     * // => 3\n     *\n     * _.toSafeInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toSafeInteger(Infinity);\n     * // => 9007199254740991\n     *\n     * _.toSafeInteger('3.2');\n     * // => 3\n     */\n    function toSafeInteger(value) {\n      return value\n        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n        : (value === 0 ? value : 0);\n    }\n\n    /**\n     * Converts `value` to a string. An empty string is returned for `null`\n     * and `undefined` values. The sign of `-0` is preserved.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.toString(null);\n     * // => ''\n     *\n     * _.toString(-0);\n     * // => '-0'\n     *\n     * _.toString([1, 2, 3]);\n     * // => '1,2,3'\n     */\n    function toString(value) {\n      return value == null ? '' : baseToString(value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Assigns own enumerable string keyed properties of source objects to the\n     * destination object. Source objects are applied from left to right.\n     * Subsequent sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object` and is loosely based on\n     * [`Object.assign`](https://mdn.io/Object/assign).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assignIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assign({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var assign = createAssigner(function(object, source) {\n      if (isPrototype(source) || isArrayLike(source)) {\n        copyObject(source, keys(source), object);\n        return;\n      }\n      for (var key in source) {\n        if (hasOwnProperty.call(source, key)) {\n          assignValue(object, key, source[key]);\n        }\n      }\n    });\n\n    /**\n     * This method is like `_.assign` except that it iterates over own and\n     * inherited source properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extend\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assign\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n     */\n    var assignIn = createAssigner(function(object, source) {\n      copyObject(source, keysIn(source), object);\n    });\n\n    /**\n     * This method is like `_.assignIn` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extendWith\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignInWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keysIn(source), object, customizer);\n    });\n\n    /**\n     * This method is like `_.assign` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignInWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keys(source), object, customizer);\n    });\n\n    /**\n     * Creates an array of values corresponding to `paths` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Array} Returns the picked values.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _.at(object, ['a[0].b.c', 'a[1]']);\n     * // => [3, 4]\n     */\n    var at = flatRest(baseAt);\n\n    /**\n     * Creates an object that inherits from the `prototype` object. If a\n     * `properties` object is given, its own enumerable string keyed properties\n     * are assigned to the created object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Object\n     * @param {Object} prototype The object to inherit from.\n     * @param {Object} [properties] The properties to assign to the object.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * function Shape() {\n     *   this.x = 0;\n     *   this.y = 0;\n     * }\n     *\n     * function Circle() {\n     *   Shape.call(this);\n     * }\n     *\n     * Circle.prototype = _.create(Shape.prototype, {\n     *   'constructor': Circle\n     * });\n     *\n     * var circle = new Circle;\n     * circle instanceof Circle;\n     * // => true\n     *\n     * circle instanceof Shape;\n     * // => true\n     */\n    function create(prototype, properties) {\n      var result = baseCreate(prototype);\n      return properties == null ? result : baseAssign(result, properties);\n    }\n\n    /**\n     * Assigns own and inherited enumerable string keyed properties of source\n     * objects to the destination object for all destination properties that\n     * resolve to `undefined`. Source objects are applied from left to right.\n     * Once a property is set, additional values of the same property are ignored.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaultsDeep\n     * @example\n     *\n     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var defaults = baseRest(function(args) {\n      args.push(undefined, customDefaultsAssignIn);\n      return apply(assignInWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.defaults` except that it recursively assigns\n     * default properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaults\n     * @example\n     *\n     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n     * // => { 'a': { 'b': 2, 'c': 3 } }\n     */\n    var defaultsDeep = baseRest(function(args) {\n      args.push(undefined, customDefaultsMerge);\n      return apply(mergeWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.find` except that it returns the key of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findKey(users, function(o) { return o.age < 40; });\n     * // => 'barney' (iteration order is not guaranteed)\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findKey(users, { 'age': 1, 'active': true });\n     * // => 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findKey(users, 'active');\n     * // => 'barney'\n     */\n    function findKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n    }\n\n    /**\n     * This method is like `_.findKey` except that it iterates over elements of\n     * a collection in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findLastKey(users, function(o) { return o.age < 40; });\n     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastKey(users, { 'age': 36, 'active': true });\n     * // => 'barney'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastKey(users, 'active');\n     * // => 'pebbles'\n     */\n    function findLastKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n    }\n\n    /**\n     * Iterates over own and inherited enumerable string keyed properties of an\n     * object and invokes `iteratee` for each property. The iteratee is invoked\n     * with three arguments: (value, key, object). Iteratee functions may exit\n     * iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forInRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forIn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n     */\n    function forIn(object, iteratee) {\n      return object == null\n        ? object\n        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * This method is like `_.forIn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forInRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n     */\n    function forInRight(object, iteratee) {\n      return object == null\n        ? object\n        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * Iterates over own enumerable string keyed properties of an object and\n     * invokes `iteratee` for each property. The iteratee is invoked with three\n     * arguments: (value, key, object). Iteratee functions may exit iteration\n     * early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwnRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forOwn(object, iteratee) {\n      return object && baseForOwn(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forOwn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwnRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n     */\n    function forOwnRight(object, iteratee) {\n      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an array of function property names from own enumerable properties\n     * of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functionsIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functions(new Foo);\n     * // => ['a', 'b']\n     */\n    function functions(object) {\n      return object == null ? [] : baseFunctions(object, keys(object));\n    }\n\n    /**\n     * Creates an array of function property names from own and inherited\n     * enumerable properties of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functions\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functionsIn(new Foo);\n     * // => ['a', 'b', 'c']\n     */\n    function functionsIn(object) {\n      return object == null ? [] : baseFunctions(object, keysIn(object));\n    }\n\n    /**\n     * Gets the value at `path` of `object`. If the resolved value is\n     * `undefined`, the `defaultValue` is returned in its place.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.get(object, 'a[0].b.c');\n     * // => 3\n     *\n     * _.get(object, ['a', '0', 'b', 'c']);\n     * // => 3\n     *\n     * _.get(object, 'a.b.c', 'default');\n     * // => 'default'\n     */\n    function get(object, path, defaultValue) {\n      var result = object == null ? undefined : baseGet(object, path);\n      return result === undefined ? defaultValue : result;\n    }\n\n    /**\n     * Checks if `path` is a direct property of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = { 'a': { 'b': 2 } };\n     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.has(object, 'a');\n     * // => true\n     *\n     * _.has(object, 'a.b');\n     * // => true\n     *\n     * _.has(object, ['a', 'b']);\n     * // => true\n     *\n     * _.has(other, 'a');\n     * // => false\n     */\n    function has(object, path) {\n      return object != null && hasPath(object, path, baseHas);\n    }\n\n    /**\n     * Checks if `path` is a direct or inherited property of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.hasIn(object, 'a');\n     * // => true\n     *\n     * _.hasIn(object, 'a.b');\n     * // => true\n     *\n     * _.hasIn(object, ['a', 'b']);\n     * // => true\n     *\n     * _.hasIn(object, 'b');\n     * // => false\n     */\n    function hasIn(object, path) {\n      return object != null && hasPath(object, path, baseHasIn);\n    }\n\n    /**\n     * Creates an object composed of the inverted keys and values of `object`.\n     * If `object` contains duplicate values, subsequent values overwrite\n     * property assignments of previous values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invert(object);\n     * // => { '1': 'c', '2': 'b' }\n     */\n    var invert = createInverter(function(result, value, key) {\n      result[value] = key;\n    }, constant(identity));\n\n    /**\n     * This method is like `_.invert` except that the inverted object is generated\n     * from the results of running each element of `object` thru `iteratee`. The\n     * corresponding inverted value of each inverted key is an array of keys\n     * responsible for generating the inverted value. The iteratee is invoked\n     * with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invertBy(object);\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     *\n     * _.invertBy(object, function(value) {\n     *   return 'group' + value;\n     * });\n     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n     */\n    var invertBy = createInverter(function(result, value, key) {\n      if (hasOwnProperty.call(result, value)) {\n        result[value].push(key);\n      } else {\n        result[value] = [key];\n      }\n    }, getIteratee);\n\n    /**\n     * Invokes the method at `path` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n     *\n     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n     * // => [2, 3]\n     */\n    var invoke = baseRest(baseInvoke);\n\n    /**\n     * Creates an array of the own enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects. See the\n     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * for more details.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keys(new Foo);\n     * // => ['a', 'b'] (iteration order is not guaranteed)\n     *\n     * _.keys('hi');\n     * // => ['0', '1']\n     */\n    function keys(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keysIn(new Foo);\n     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n     */\n    function keysIn(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n    }\n\n    /**\n     * The opposite of `_.mapValues`; this method creates an object with the\n     * same values as `object` and keys generated by running each own enumerable\n     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n     * with three arguments: (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapValues\n     * @example\n     *\n     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   return key + value;\n     * });\n     * // => { 'a1': 1, 'b2': 2 }\n     */\n    function mapKeys(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, iteratee(value, key, object), value);\n      });\n      return result;\n    }\n\n    /**\n     * Creates an object with the same keys as `object` and values generated\n     * by running each own enumerable string keyed property of `object` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapKeys\n     * @example\n     *\n     * var users = {\n     *   'fred':    { 'user': 'fred',    'age': 40 },\n     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n     * };\n     *\n     * _.mapValues(users, function(o) { return o.age; });\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.mapValues(users, 'age');\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     */\n    function mapValues(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, key, iteratee(value, key, object));\n      });\n      return result;\n    }\n\n    /**\n     * This method is like `_.assign` except that it recursively merges own and\n     * inherited enumerable string keyed properties of source objects into the\n     * destination object. Source properties that resolve to `undefined` are\n     * skipped if a destination value exists. Array and plain object properties\n     * are merged recursively. Other objects and value types are overridden by\n     * assignment. Source objects are applied from left to right. Subsequent\n     * sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {\n     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n     * };\n     *\n     * var other = {\n     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n     * };\n     *\n     * _.merge(object, other);\n     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n     */\n    var merge = createAssigner(function(object, source, srcIndex) {\n      baseMerge(object, source, srcIndex);\n    });\n\n    /**\n     * This method is like `_.merge` except that it accepts `customizer` which\n     * is invoked to produce the merged values of the destination and source\n     * properties. If `customizer` returns `undefined`, merging is handled by the\n     * method instead. The `customizer` is invoked with six arguments:\n     * (objValue, srcValue, key, object, source, stack).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} customizer The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (_.isArray(objValue)) {\n     *     return objValue.concat(srcValue);\n     *   }\n     * }\n     *\n     * var object = { 'a': [1], 'b': [2] };\n     * var other = { 'a': [3], 'b': [4] };\n     *\n     * _.mergeWith(object, other, customizer);\n     * // => { 'a': [1, 3], 'b': [2, 4] }\n     */\n    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n      baseMerge(object, source, srcIndex, customizer);\n    });\n\n    /**\n     * The opposite of `_.pick`; this method creates an object composed of the\n     * own and inherited enumerable property paths of `object` that are not omitted.\n     *\n     * **Note:** This method is considerably slower than `_.pick`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to omit.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omit(object, ['a', 'c']);\n     * // => { 'b': '2' }\n     */\n    var omit = flatRest(function(object, paths) {\n      var result = {};\n      if (object == null) {\n        return result;\n      }\n      var isDeep = false;\n      paths = arrayMap(paths, function(path) {\n        path = castPath(path, object);\n        isDeep || (isDeep = path.length > 1);\n        return path;\n      });\n      copyObject(object, getAllKeysIn(object), result);\n      if (isDeep) {\n        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n      }\n      var length = paths.length;\n      while (length--) {\n        baseUnset(result, paths[length]);\n      }\n      return result;\n    });\n\n    /**\n     * The opposite of `_.pickBy`; this method creates an object composed of\n     * the own and inherited enumerable string keyed properties of `object` that\n     * `predicate` doesn't return truthy for. The predicate is invoked with two\n     * arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omitBy(object, _.isNumber);\n     * // => { 'b': '2' }\n     */\n    function omitBy(object, predicate) {\n      return pickBy(object, negate(getIteratee(predicate)));\n    }\n\n    /**\n     * Creates an object composed of the picked `object` properties.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pick(object, ['a', 'c']);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var pick = flatRest(function(object, paths) {\n      return object == null ? {} : basePick(object, paths);\n    });\n\n    /**\n     * Creates an object composed of the `object` properties `predicate` returns\n     * truthy for. The predicate is invoked with two arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pickBy(object, _.isNumber);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    function pickBy(object, predicate) {\n      if (object == null) {\n        return {};\n      }\n      var props = arrayMap(getAllKeysIn(object), function(prop) {\n        return [prop];\n      });\n      predicate = getIteratee(predicate);\n      return basePickBy(object, props, function(value, path) {\n        return predicate(value, path[0]);\n      });\n    }\n\n    /**\n     * This method is like `_.get` except that if the resolved value is a\n     * function it's invoked with the `this` binding of its parent object and\n     * its result is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to resolve.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n     *\n     * _.result(object, 'a[0].b.c1');\n     * // => 3\n     *\n     * _.result(object, 'a[0].b.c2');\n     * // => 4\n     *\n     * _.result(object, 'a[0].b.c3', 'default');\n     * // => 'default'\n     *\n     * _.result(object, 'a[0].b.c3', _.constant('default'));\n     * // => 'default'\n     */\n    function result(object, path, defaultValue) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length;\n\n      // Ensure the loop is entered when path is empty.\n      if (!length) {\n        length = 1;\n        object = undefined;\n      }\n      while (++index < length) {\n        var value = object == null ? undefined : object[toKey(path[index])];\n        if (value === undefined) {\n          index = length;\n          value = defaultValue;\n        }\n        object = isFunction(value) ? value.call(object) : value;\n      }\n      return object;\n    }\n\n    /**\n     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n     * it's created. Arrays are created for missing index properties while objects\n     * are created for all other missing properties. Use `_.setWith` to customize\n     * `path` creation.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.set(object, 'a[0].b.c', 4);\n     * console.log(object.a[0].b.c);\n     * // => 4\n     *\n     * _.set(object, ['x', '0', 'y', 'z'], 5);\n     * console.log(object.x[0].y.z);\n     * // => 5\n     */\n    function set(object, path, value) {\n      return object == null ? object : baseSet(object, path, value);\n    }\n\n    /**\n     * This method is like `_.set` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.setWith(object, '[0][1]', 'a', Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function setWith(object, path, value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseSet(object, path, value, customizer);\n    }\n\n    /**\n     * Creates an array of own enumerable string keyed-value pairs for `object`\n     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n     * entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entries\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairs(new Foo);\n     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n     */\n    var toPairs = createToPairs(keys);\n\n    /**\n     * Creates an array of own and inherited enumerable string keyed-value pairs\n     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n     * or set, its entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entriesIn\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairsIn(new Foo);\n     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n     */\n    var toPairsIn = createToPairs(keysIn);\n\n    /**\n     * An alternative to `_.reduce`; this method transforms `object` to a new\n     * `accumulator` object which is the result of running each of its own\n     * enumerable string keyed properties thru `iteratee`, with each invocation\n     * potentially mutating the `accumulator` object. If `accumulator` is not\n     * provided, a new object with the same `[[Prototype]]` will be used. The\n     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The custom accumulator value.\n     * @returns {*} Returns the accumulated value.\n     * @example\n     *\n     * _.transform([2, 3, 4], function(result, n) {\n     *   result.push(n *= n);\n     *   return n % 2 == 0;\n     * }, []);\n     * // => [4, 9]\n     *\n     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     */\n    function transform(object, iteratee, accumulator) {\n      var isArr = isArray(object),\n          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n      iteratee = getIteratee(iteratee, 4);\n      if (accumulator == null) {\n        var Ctor = object && object.constructor;\n        if (isArrLike) {\n          accumulator = isArr ? new Ctor : [];\n        }\n        else if (isObject(object)) {\n          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n        }\n        else {\n          accumulator = {};\n        }\n      }\n      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n        return iteratee(accumulator, value, index, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * Removes the property at `path` of `object`.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n     * _.unset(object, 'a[0].b.c');\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     *\n     * _.unset(object, ['a', '0', 'b', 'c']);\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     */\n    function unset(object, path) {\n      return object == null ? true : baseUnset(object, path);\n    }\n\n    /**\n     * This method is like `_.set` except that accepts `updater` to produce the\n     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n     * is invoked with one argument: (value).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n     * console.log(object.a[0].b.c);\n     * // => 9\n     *\n     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n     * console.log(object.x[0].y.z);\n     * // => 0\n     */\n    function update(object, path, updater) {\n      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n    }\n\n    /**\n     * This method is like `_.update` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function updateWith(object, path, updater, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n    }\n\n    /**\n     * Creates an array of the own enumerable string keyed property values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.values(new Foo);\n     * // => [1, 2] (iteration order is not guaranteed)\n     *\n     * _.values('hi');\n     * // => ['h', 'i']\n     */\n    function values(object) {\n      return object == null ? [] : baseValues(object, keys(object));\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable string keyed property\n     * values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.valuesIn(new Foo);\n     * // => [1, 2, 3] (iteration order is not guaranteed)\n     */\n    function valuesIn(object) {\n      return object == null ? [] : baseValues(object, keysIn(object));\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Number\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     * @example\n     *\n     * _.clamp(-10, -5, 5);\n     * // => -5\n     *\n     * _.clamp(10, -5, 5);\n     * // => 5\n     */\n    function clamp(number, lower, upper) {\n      if (upper === undefined) {\n        upper = lower;\n        lower = undefined;\n      }\n      if (upper !== undefined) {\n        upper = toNumber(upper);\n        upper = upper === upper ? upper : 0;\n      }\n      if (lower !== undefined) {\n        lower = toNumber(lower);\n        lower = lower === lower ? lower : 0;\n      }\n      return baseClamp(toNumber(number), lower, upper);\n    }\n\n    /**\n     * Checks if `n` is between `start` and up to, but not including, `end`. If\n     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n     * If `start` is greater than `end` the params are swapped to support\n     * negative ranges.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.3.0\n     * @category Number\n     * @param {number} number The number to check.\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     * @see _.range, _.rangeRight\n     * @example\n     *\n     * _.inRange(3, 2, 4);\n     * // => true\n     *\n     * _.inRange(4, 8);\n     * // => true\n     *\n     * _.inRange(4, 2);\n     * // => false\n     *\n     * _.inRange(2, 2);\n     * // => false\n     *\n     * _.inRange(1.2, 2);\n     * // => true\n     *\n     * _.inRange(5.2, 4);\n     * // => false\n     *\n     * _.inRange(-3, -2, -6);\n     * // => true\n     */\n    function inRange(number, start, end) {\n      start = toFinite(start);\n      if (end === undefined) {\n        end = start;\n        start = 0;\n      } else {\n        end = toFinite(end);\n      }\n      number = toNumber(number);\n      return baseInRange(number, start, end);\n    }\n\n    /**\n     * Produces a random number between the inclusive `lower` and `upper` bounds.\n     * If only one argument is provided a number between `0` and the given number\n     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n     * floats, a floating-point number is returned instead of an integer.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Number\n     * @param {number} [lower=0] The lower bound.\n     * @param {number} [upper=1] The upper bound.\n     * @param {boolean} [floating] Specify returning a floating-point number.\n     * @returns {number} Returns the random number.\n     * @example\n     *\n     * _.random(0, 5);\n     * // => an integer between 0 and 5\n     *\n     * _.random(5);\n     * // => also an integer between 0 and 5\n     *\n     * _.random(5, true);\n     * // => a floating-point number between 0 and 5\n     *\n     * _.random(1.2, 5.2);\n     * // => a floating-point number between 1.2 and 5.2\n     */\n    function random(lower, upper, floating) {\n      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n        upper = floating = undefined;\n      }\n      if (floating === undefined) {\n        if (typeof upper == 'boolean') {\n          floating = upper;\n          upper = undefined;\n        }\n        else if (typeof lower == 'boolean') {\n          floating = lower;\n          lower = undefined;\n        }\n      }\n      if (lower === undefined && upper === undefined) {\n        lower = 0;\n        upper = 1;\n      }\n      else {\n        lower = toFinite(lower);\n        if (upper === undefined) {\n          upper = lower;\n          lower = 0;\n        } else {\n          upper = toFinite(upper);\n        }\n      }\n      if (lower > upper) {\n        var temp = lower;\n        lower = upper;\n        upper = temp;\n      }\n      if (floating || lower % 1 || upper % 1) {\n        var rand = nativeRandom();\n        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n      }\n      return baseRandom(lower, upper);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the camel cased string.\n     * @example\n     *\n     * _.camelCase('Foo Bar');\n     * // => 'fooBar'\n     *\n     * _.camelCase('--foo-bar--');\n     * // => 'fooBar'\n     *\n     * _.camelCase('__FOO_BAR__');\n     * // => 'fooBar'\n     */\n    var camelCase = createCompounder(function(result, word, index) {\n      word = word.toLowerCase();\n      return result + (index ? capitalize(word) : word);\n    });\n\n    /**\n     * Converts the first character of `string` to upper case and the remaining\n     * to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to capitalize.\n     * @returns {string} Returns the capitalized string.\n     * @example\n     *\n     * _.capitalize('FRED');\n     * // => 'Fred'\n     */\n    function capitalize(string) {\n      return upperFirst(toString(string).toLowerCase());\n    }\n\n    /**\n     * Deburrs `string` by converting\n     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n     * letters to basic Latin letters and removing\n     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to deburr.\n     * @returns {string} Returns the deburred string.\n     * @example\n     *\n     * _.deburr('déjà vu');\n     * // => 'deja vu'\n     */\n    function deburr(string) {\n      string = toString(string);\n      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n    }\n\n    /**\n     * Checks if `string` ends with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=string.length] The position to search up to.\n     * @returns {boolean} Returns `true` if `string` ends with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.endsWith('abc', 'c');\n     * // => true\n     *\n     * _.endsWith('abc', 'b');\n     * // => false\n     *\n     * _.endsWith('abc', 'b', 2);\n     * // => true\n     */\n    function endsWith(string, target, position) {\n      string = toString(string);\n      target = baseToString(target);\n\n      var length = string.length;\n      position = position === undefined\n        ? length\n        : baseClamp(toInteger(position), 0, length);\n\n      var end = position;\n      position -= target.length;\n      return position >= 0 && string.slice(position, end) == target;\n    }\n\n    /**\n     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n     * corresponding HTML entities.\n     *\n     * **Note:** No other characters are escaped. To escape additional\n     * characters use a third-party library like [_he_](https://mths.be/he).\n     *\n     * Though the \">\" character is escaped for symmetry, characters like\n     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n     * unless they're part of a tag or unquoted attribute value. See\n     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n     * (under \"semi-related fun fact\") for more details.\n     *\n     * When working with HTML you should always\n     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n     * XSS vectors.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escape('fred, barney, & pebbles');\n     * // => 'fred, barney, &amp; pebbles'\n     */\n    function escape(string) {\n      string = toString(string);\n      return (string && reHasUnescapedHtml.test(string))\n        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escapeRegExp('[lodash](https://lodash.com/)');\n     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n     */\n    function escapeRegExp(string) {\n      string = toString(string);\n      return (string && reHasRegExpChar.test(string))\n        ? string.replace(reRegExpChar, '\\\\$&')\n        : string;\n    }\n\n    /**\n     * Converts `string` to\n     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the kebab cased string.\n     * @example\n     *\n     * _.kebabCase('Foo Bar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('fooBar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('__FOO_BAR__');\n     * // => 'foo-bar'\n     */\n    var kebabCase = createCompounder(function(result, word, index) {\n      return result + (index ? '-' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts `string`, as space separated words, to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.lowerCase('--Foo-Bar--');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('fooBar');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('__FOO_BAR__');\n     * // => 'foo bar'\n     */\n    var lowerCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts the first character of `string` to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.lowerFirst('Fred');\n     * // => 'fred'\n     *\n     * _.lowerFirst('FRED');\n     * // => 'fRED'\n     */\n    var lowerFirst = createCaseFirst('toLowerCase');\n\n    /**\n     * Pads `string` on the left and right sides if it's shorter than `length`.\n     * Padding characters are truncated if they can't be evenly divided by `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.pad('abc', 8);\n     * // => '  abc   '\n     *\n     * _.pad('abc', 8, '_-');\n     * // => '_-abc_-_'\n     *\n     * _.pad('abc', 3);\n     * // => 'abc'\n     */\n    function pad(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      if (!length || strLength >= length) {\n        return string;\n      }\n      var mid = (length - strLength) / 2;\n      return (\n        createPadding(nativeFloor(mid), chars) +\n        string +\n        createPadding(nativeCeil(mid), chars)\n      );\n    }\n\n    /**\n     * Pads `string` on the right side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padEnd('abc', 6);\n     * // => 'abc   '\n     *\n     * _.padEnd('abc', 6, '_-');\n     * // => 'abc_-_'\n     *\n     * _.padEnd('abc', 3);\n     * // => 'abc'\n     */\n    function padEnd(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (string + createPadding(length - strLength, chars))\n        : string;\n    }\n\n    /**\n     * Pads `string` on the left side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padStart('abc', 6);\n     * // => '   abc'\n     *\n     * _.padStart('abc', 6, '_-');\n     * // => '_-_abc'\n     *\n     * _.padStart('abc', 3);\n     * // => 'abc'\n     */\n    function padStart(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (createPadding(length - strLength, chars) + string)\n        : string;\n    }\n\n    /**\n     * Converts `string` to an integer of the specified radix. If `radix` is\n     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n     * hexadecimal, in which case a `radix` of `16` is used.\n     *\n     * **Note:** This method aligns with the\n     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category String\n     * @param {string} string The string to convert.\n     * @param {number} [radix=10] The radix to interpret `value` by.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.parseInt('08');\n     * // => 8\n     *\n     * _.map(['6', '08', '10'], _.parseInt);\n     * // => [6, 8, 10]\n     */\n    function parseInt(string, radix, guard) {\n      if (guard || radix == null) {\n        radix = 0;\n      } else if (radix) {\n        radix = +radix;\n      }\n      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n    }\n\n    /**\n     * Repeats the given string `n` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to repeat.\n     * @param {number} [n=1] The number of times to repeat the string.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the repeated string.\n     * @example\n     *\n     * _.repeat('*', 3);\n     * // => '***'\n     *\n     * _.repeat('abc', 2);\n     * // => 'abcabc'\n     *\n     * _.repeat('abc', 0);\n     * // => ''\n     */\n    function repeat(string, n, guard) {\n      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      return baseRepeat(toString(string), n);\n    }\n\n    /**\n     * Replaces matches for `pattern` in `string` with `replacement`.\n     *\n     * **Note:** This method is based on\n     * [`String#replace`](https://mdn.io/String/replace).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to modify.\n     * @param {RegExp|string} pattern The pattern to replace.\n     * @param {Function|string} replacement The match replacement.\n     * @returns {string} Returns the modified string.\n     * @example\n     *\n     * _.replace('Hi Fred', 'Fred', 'Barney');\n     * // => 'Hi Barney'\n     */\n    function replace() {\n      var args = arguments,\n          string = toString(args[0]);\n\n      return args.length < 3 ? string : string.replace(args[1], args[2]);\n    }\n\n    /**\n     * Converts `string` to\n     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the snake cased string.\n     * @example\n     *\n     * _.snakeCase('Foo Bar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('fooBar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('--FOO-BAR--');\n     * // => 'foo_bar'\n     */\n    var snakeCase = createCompounder(function(result, word, index) {\n      return result + (index ? '_' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Splits `string` by `separator`.\n     *\n     * **Note:** This method is based on\n     * [`String#split`](https://mdn.io/String/split).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to split.\n     * @param {RegExp|string} separator The separator pattern to split by.\n     * @param {number} [limit] The length to truncate results to.\n     * @returns {Array} Returns the string segments.\n     * @example\n     *\n     * _.split('a-b-c', '-', 2);\n     * // => ['a', 'b']\n     */\n    function split(string, separator, limit) {\n      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n        separator = limit = undefined;\n      }\n      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n      if (!limit) {\n        return [];\n      }\n      string = toString(string);\n      if (string && (\n            typeof separator == 'string' ||\n            (separator != null && !isRegExp(separator))\n          )) {\n        separator = baseToString(separator);\n        if (!separator && hasUnicode(string)) {\n          return castSlice(stringToArray(string), 0, limit);\n        }\n      }\n      return string.split(separator, limit);\n    }\n\n    /**\n     * Converts `string` to\n     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.1.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the start cased string.\n     * @example\n     *\n     * _.startCase('--foo-bar--');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('fooBar');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('__FOO_BAR__');\n     * // => 'FOO BAR'\n     */\n    var startCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + upperFirst(word);\n    });\n\n    /**\n     * Checks if `string` starts with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=0] The position to search from.\n     * @returns {boolean} Returns `true` if `string` starts with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.startsWith('abc', 'a');\n     * // => true\n     *\n     * _.startsWith('abc', 'b');\n     * // => false\n     *\n     * _.startsWith('abc', 'b', 1);\n     * // => true\n     */\n    function startsWith(string, target, position) {\n      string = toString(string);\n      position = position == null\n        ? 0\n        : baseClamp(toInteger(position), 0, string.length);\n\n      target = baseToString(target);\n      return string.slice(position, position + target.length) == target;\n    }\n\n    /**\n     * Creates a compiled template function that can interpolate data properties\n     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n     * properties may be accessed as free variables in the template. If a setting\n     * object is given, it takes precedence over `_.templateSettings` values.\n     *\n     * **Note:** In the development build `_.template` utilizes\n     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n     * for easier debugging.\n     *\n     * For more information on precompiling templates see\n     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n     *\n     * For more information on Chrome extension sandboxes see\n     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The template string.\n     * @param {Object} [options={}] The options object.\n     * @param {RegExp} [options.escape=_.templateSettings.escape]\n     *  The HTML \"escape\" delimiter.\n     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n     *  The \"evaluate\" delimiter.\n     * @param {Object} [options.imports=_.templateSettings.imports]\n     *  An object to import into the template as free variables.\n     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n     *  The \"interpolate\" delimiter.\n     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n     *  The sourceURL of the compiled template.\n     * @param {string} [options.variable='obj']\n     *  The data object variable name.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the compiled template function.\n     * @example\n     *\n     * // Use the \"interpolate\" delimiter to create a compiled template.\n     * var compiled = _.template('hello <%= user %>!');\n     * compiled({ 'user': 'fred' });\n     * // => 'hello fred!'\n     *\n     * // Use the HTML \"escape\" delimiter to escape data property values.\n     * var compiled = _.template('<b><%- value %></b>');\n     * compiled({ 'value': '<script>' });\n     * // => '<b>&lt;script&gt;</b>'\n     *\n     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the internal `print` function in \"evaluate\" delimiters.\n     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n     * compiled({ 'user': 'barney' });\n     * // => 'hello barney!'\n     *\n     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n     * // Disable support by replacing the \"interpolate\" delimiter.\n     * var compiled = _.template('hello ${ user }!');\n     * compiled({ 'user': 'pebbles' });\n     * // => 'hello pebbles!'\n     *\n     * // Use backslashes to treat delimiters as plain text.\n     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n     * compiled({ 'value': 'ignored' });\n     * // => '<%- value %>'\n     *\n     * // Use the `imports` option to import `jQuery` as `jq`.\n     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n     * compiled(data);\n     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n     *\n     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n     * compiled.source;\n     * // => function(data) {\n     * //   var __t, __p = '';\n     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n     * //   return __p;\n     * // }\n     *\n     * // Use custom template delimiters.\n     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n     * var compiled = _.template('hello {{ user }}!');\n     * compiled({ 'user': 'mustache' });\n     * // => 'hello mustache!'\n     *\n     * // Use the `source` property to inline compiled templates for meaningful\n     * // line numbers in error messages and stack traces.\n     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n     *   var JST = {\\\n     *     \"main\": ' + _.template(mainText).source + '\\\n     *   };\\\n     * ');\n     */\n    function template(string, options, guard) {\n      // Based on John Resig's `tmpl` implementation\n      // (http://ejohn.org/blog/javascript-micro-templating/)\n      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n      var settings = lodash.templateSettings;\n\n      if (guard && isIterateeCall(string, options, guard)) {\n        options = undefined;\n      }\n      string = toString(string);\n      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\n      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n          importsKeys = keys(imports),\n          importsValues = baseValues(imports, importsKeys);\n\n      var isEscaping,\n          isEvaluating,\n          index = 0,\n          interpolate = options.interpolate || reNoMatch,\n          source = \"__p += '\";\n\n      // Compile the regexp to match each delimiter.\n      var reDelimiters = RegExp(\n        (options.escape || reNoMatch).source + '|' +\n        interpolate.source + '|' +\n        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n        (options.evaluate || reNoMatch).source + '|$'\n      , 'g');\n\n      // Use a sourceURL for easier debugging.\n      var sourceURL = '//# sourceURL=' +\n        ('sourceURL' in options\n          ? options.sourceURL\n          : ('lodash.templateSources[' + (++templateCounter) + ']')\n        ) + '\\n';\n\n      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n        interpolateValue || (interpolateValue = esTemplateValue);\n\n        // Escape characters that can't be included in string literals.\n        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\n        // Replace delimiters with snippets.\n        if (escapeValue) {\n          isEscaping = true;\n          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n        }\n        if (evaluateValue) {\n          isEvaluating = true;\n          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n        }\n        if (interpolateValue) {\n          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n        }\n        index = offset + match.length;\n\n        // The JS engine embedded in Adobe products needs `match` returned in\n        // order to produce the correct `offset` value.\n        return match;\n      });\n\n      source += \"';\\n\";\n\n      // If `variable` is not specified wrap a with-statement around the generated\n      // code to add the data object to the top of the scope chain.\n      var variable = options.variable;\n      if (!variable) {\n        source = 'with (obj) {\\n' + source + '\\n}\\n';\n      }\n      // Cleanup code by stripping empty strings.\n      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n        .replace(reEmptyStringMiddle, '$1')\n        .replace(reEmptyStringTrailing, '$1;');\n\n      // Frame code as the function body.\n      source = 'function(' + (variable || 'obj') + ') {\\n' +\n        (variable\n          ? ''\n          : 'obj || (obj = {});\\n'\n        ) +\n        \"var __t, __p = ''\" +\n        (isEscaping\n           ? ', __e = _.escape'\n           : ''\n        ) +\n        (isEvaluating\n          ? ', __j = Array.prototype.join;\\n' +\n            \"function print() { __p += __j.call(arguments, '') }\\n\"\n          : ';\\n'\n        ) +\n        source +\n        'return __p\\n}';\n\n      var result = attempt(function() {\n        return Function(importsKeys, sourceURL + 'return ' + source)\n          .apply(undefined, importsValues);\n      });\n\n      // Provide the compiled function's source by its `toString` method or\n      // the `source` property as a convenience for inlining compiled templates.\n      result.source = source;\n      if (isError(result)) {\n        throw result;\n      }\n      return result;\n    }\n\n    /**\n     * Converts `string`, as a whole, to lower case just like\n     * [String#toLowerCase](https://mdn.io/toLowerCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.toLower('--Foo-Bar--');\n     * // => '--foo-bar--'\n     *\n     * _.toLower('fooBar');\n     * // => 'foobar'\n     *\n     * _.toLower('__FOO_BAR__');\n     * // => '__foo_bar__'\n     */\n    function toLower(value) {\n      return toString(value).toLowerCase();\n    }\n\n    /**\n     * Converts `string`, as a whole, to upper case just like\n     * [String#toUpperCase](https://mdn.io/toUpperCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.toUpper('--foo-bar--');\n     * // => '--FOO-BAR--'\n     *\n     * _.toUpper('fooBar');\n     * // => 'FOOBAR'\n     *\n     * _.toUpper('__foo_bar__');\n     * // => '__FOO_BAR__'\n     */\n    function toUpper(value) {\n      return toString(value).toUpperCase();\n    }\n\n    /**\n     * Removes leading and trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trim('  abc  ');\n     * // => 'abc'\n     *\n     * _.trim('-_-abc-_-', '_-');\n     * // => 'abc'\n     *\n     * _.map(['  foo  ', '  bar  '], _.trim);\n     * // => ['foo', 'bar']\n     */\n    function trim(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrim, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          chrSymbols = stringToArray(chars),\n          start = charsStartIndex(strSymbols, chrSymbols),\n          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\n      return castSlice(strSymbols, start, end).join('');\n    }\n\n    /**\n     * Removes trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimEnd('  abc  ');\n     * // => '  abc'\n     *\n     * _.trimEnd('-_-abc-_-', '_-');\n     * // => '-_-abc'\n     */\n    function trimEnd(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimEnd, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\n      return castSlice(strSymbols, 0, end).join('');\n    }\n\n    /**\n     * Removes leading whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimStart('  abc  ');\n     * // => 'abc  '\n     *\n     * _.trimStart('-_-abc-_-', '_-');\n     * // => 'abc-_-'\n     */\n    function trimStart(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimStart, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          start = charsStartIndex(strSymbols, stringToArray(chars));\n\n      return castSlice(strSymbols, start).join('');\n    }\n\n    /**\n     * Truncates `string` if it's longer than the given maximum string length.\n     * The last characters of the truncated string are replaced with the omission\n     * string which defaults to \"...\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to truncate.\n     * @param {Object} [options={}] The options object.\n     * @param {number} [options.length=30] The maximum string length.\n     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n     * @returns {string} Returns the truncated string.\n     * @example\n     *\n     * _.truncate('hi-diddly-ho there, neighborino');\n     * // => 'hi-diddly-ho there, neighbo...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': ' '\n     * });\n     * // => 'hi-diddly-ho there,...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': /,? +/\n     * });\n     * // => 'hi-diddly-ho there...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'omission': ' [...]'\n     * });\n     * // => 'hi-diddly-ho there, neig [...]'\n     */\n    function truncate(string, options) {\n      var length = DEFAULT_TRUNC_LENGTH,\n          omission = DEFAULT_TRUNC_OMISSION;\n\n      if (isObject(options)) {\n        var separator = 'separator' in options ? options.separator : separator;\n        length = 'length' in options ? toInteger(options.length) : length;\n        omission = 'omission' in options ? baseToString(options.omission) : omission;\n      }\n      string = toString(string);\n\n      var strLength = string.length;\n      if (hasUnicode(string)) {\n        var strSymbols = stringToArray(string);\n        strLength = strSymbols.length;\n      }\n      if (length >= strLength) {\n        return string;\n      }\n      var end = length - stringSize(omission);\n      if (end < 1) {\n        return omission;\n      }\n      var result = strSymbols\n        ? castSlice(strSymbols, 0, end).join('')\n        : string.slice(0, end);\n\n      if (separator === undefined) {\n        return result + omission;\n      }\n      if (strSymbols) {\n        end += (result.length - end);\n      }\n      if (isRegExp(separator)) {\n        if (string.slice(end).search(separator)) {\n          var match,\n              substring = result;\n\n          if (!separator.global) {\n            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n          }\n          separator.lastIndex = 0;\n          while ((match = separator.exec(substring))) {\n            var newEnd = match.index;\n          }\n          result = result.slice(0, newEnd === undefined ? end : newEnd);\n        }\n      } else if (string.indexOf(baseToString(separator), end) != end) {\n        var index = result.lastIndexOf(separator);\n        if (index > -1) {\n          result = result.slice(0, index);\n        }\n      }\n      return result + omission;\n    }\n\n    /**\n     * The inverse of `_.escape`; this method converts the HTML entities\n     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n     * their corresponding characters.\n     *\n     * **Note:** No other HTML entities are unescaped. To unescape additional\n     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.6.0\n     * @category String\n     * @param {string} [string=''] The string to unescape.\n     * @returns {string} Returns the unescaped string.\n     * @example\n     *\n     * _.unescape('fred, barney, &amp; pebbles');\n     * // => 'fred, barney, & pebbles'\n     */\n    function unescape(string) {\n      string = toString(string);\n      return (string && reHasEscapedHtml.test(string))\n        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Converts `string`, as space separated words, to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.upperCase('--foo-bar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('fooBar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('__foo_bar__');\n     * // => 'FOO BAR'\n     */\n    var upperCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toUpperCase();\n    });\n\n    /**\n     * Converts the first character of `string` to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.upperFirst('fred');\n     * // => 'Fred'\n     *\n     * _.upperFirst('FRED');\n     * // => 'FRED'\n     */\n    var upperFirst = createCaseFirst('toUpperCase');\n\n    /**\n     * Splits `string` into an array of its words.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {RegExp|string} [pattern] The pattern to match words.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the words of `string`.\n     * @example\n     *\n     * _.words('fred, barney, & pebbles');\n     * // => ['fred', 'barney', 'pebbles']\n     *\n     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n     * // => ['fred', 'barney', '&', 'pebbles']\n     */\n    function words(string, pattern, guard) {\n      string = toString(string);\n      pattern = guard ? undefined : pattern;\n\n      if (pattern === undefined) {\n        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n      }\n      return string.match(pattern) || [];\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Attempts to invoke `func`, returning either the result or the caught error\n     * object. Any additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Function} func The function to attempt.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {*} Returns the `func` result or error object.\n     * @example\n     *\n     * // Avoid throwing errors for invalid selectors.\n     * var elements = _.attempt(function(selector) {\n     *   return document.querySelectorAll(selector);\n     * }, '>_>');\n     *\n     * if (_.isError(elements)) {\n     *   elements = [];\n     * }\n     */\n    var attempt = baseRest(function(func, args) {\n      try {\n        return apply(func, undefined, args);\n      } catch (e) {\n        return isError(e) ? e : new Error(e);\n      }\n    });\n\n    /**\n     * Binds methods of an object to the object itself, overwriting the existing\n     * method.\n     *\n     * **Note:** This method doesn't set the \"length\" property of bound functions.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Object} object The object to bind and assign the bound methods to.\n     * @param {...(string|string[])} methodNames The object method names to bind.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var view = {\n     *   'label': 'docs',\n     *   'click': function() {\n     *     console.log('clicked ' + this.label);\n     *   }\n     * };\n     *\n     * _.bindAll(view, ['click']);\n     * jQuery(element).on('click', view.click);\n     * // => Logs 'clicked docs' when clicked.\n     */\n    var bindAll = flatRest(function(object, methodNames) {\n      arrayEach(methodNames, function(key) {\n        key = toKey(key);\n        baseAssignValue(object, key, bind(object[key], object));\n      });\n      return object;\n    });\n\n    /**\n     * Creates a function that iterates over `pairs` and invokes the corresponding\n     * function of the first predicate to return truthy. The predicate-function\n     * pairs are invoked with the `this` binding and arguments of the created\n     * function.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Array} pairs The predicate-function pairs.\n     * @returns {Function} Returns the new composite function.\n     * @example\n     *\n     * var func = _.cond([\n     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n     *   [_.stubTrue,                      _.constant('no match')]\n     * ]);\n     *\n     * func({ 'a': 1, 'b': 2 });\n     * // => 'matches A'\n     *\n     * func({ 'a': 0, 'b': 1 });\n     * // => 'matches B'\n     *\n     * func({ 'a': '1', 'b': '2' });\n     * // => 'no match'\n     */\n    function cond(pairs) {\n      var length = pairs == null ? 0 : pairs.length,\n          toIteratee = getIteratee();\n\n      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n        if (typeof pair[1] != 'function') {\n          throw new TypeError(FUNC_ERROR_TEXT);\n        }\n        return [toIteratee(pair[0]), pair[1]];\n      });\n\n      return baseRest(function(args) {\n        var index = -1;\n        while (++index < length) {\n          var pair = pairs[index];\n          if (apply(pair[0], this, args)) {\n            return apply(pair[1], this, args);\n          }\n        }\n      });\n    }\n\n    /**\n     * Creates a function that invokes the predicate properties of `source` with\n     * the corresponding property values of a given object, returning `true` if\n     * all predicates return truthy, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.conformsTo` with\n     * `source` partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 2, 'b': 1 },\n     *   { 'a': 1, 'b': 2 }\n     * ];\n     *\n     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n     * // => [{ 'a': 1, 'b': 2 }]\n     */\n    function conforms(source) {\n      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that returns `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {*} value The value to return from the new function.\n     * @returns {Function} Returns the new constant function.\n     * @example\n     *\n     * var objects = _.times(2, _.constant({ 'a': 1 }));\n     *\n     * console.log(objects);\n     * // => [{ 'a': 1 }, { 'a': 1 }]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => true\n     */\n    function constant(value) {\n      return function() {\n        return value;\n      };\n    }\n\n    /**\n     * Checks `value` to determine whether a default value should be returned in\n     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n     * or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Util\n     * @param {*} value The value to check.\n     * @param {*} defaultValue The default value.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * _.defaultTo(1, 10);\n     * // => 1\n     *\n     * _.defaultTo(undefined, 10);\n     * // => 10\n     */\n    function defaultTo(value, defaultValue) {\n      return (value == null || value !== value) ? defaultValue : value;\n    }\n\n    /**\n     * Creates a function that returns the result of invoking the given functions\n     * with the `this` binding of the created function, where each successive\n     * invocation is supplied the return value of the previous.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flowRight\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flow([_.add, square]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flow = createFlow();\n\n    /**\n     * This method is like `_.flow` except that it creates a function that\n     * invokes the given functions from right to left.\n     *\n     * @static\n     * @since 3.0.0\n     * @memberOf _\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flow\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flowRight([square, _.add]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flowRight = createFlow(true);\n\n    /**\n     * This method returns the first argument it receives.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {*} value Any value.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     *\n     * console.log(_.identity(object) === object);\n     * // => true\n     */\n    function identity(value) {\n      return value;\n    }\n\n    /**\n     * Creates a function that invokes `func` with the arguments of the created\n     * function. If `func` is a property name, the created function returns the\n     * property value for a given element. If `func` is an array or object, the\n     * created function returns `true` for elements that contain the equivalent\n     * source properties, otherwise it returns `false`.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Util\n     * @param {*} [func=_.identity] The value to convert to a callback.\n     * @returns {Function} Returns the callback.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, _.iteratee(['user', 'fred']));\n     * // => [{ 'user': 'fred', 'age': 40 }]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, _.iteratee('user'));\n     * // => ['barney', 'fred']\n     *\n     * // Create custom iteratee shorthands.\n     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n     *     return func.test(string);\n     *   };\n     * });\n     *\n     * _.filter(['abc', 'def'], /ef/);\n     * // => ['def']\n     */\n    function iteratee(func) {\n      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between a given\n     * object and `source`, returning `true` if the given object has equivalent\n     * property values, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n     */\n    function matches(source) {\n      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between the\n     * value at `path` of a given object to `srcValue`, returning `true` if the\n     * object value is equivalent, else `false`.\n     *\n     * **Note:** Partial comparisons will match empty array and empty object\n     * `srcValue` values against any array or object value, respectively. See\n     * `_.isEqual` for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.find(objects, _.matchesProperty('a', 4));\n     * // => { 'a': 4, 'b': 5, 'c': 6 }\n     */\n    function matchesProperty(path, srcValue) {\n      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that invokes the method at `path` of a given object.\n     * Any additional arguments are provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': _.constant(2) } },\n     *   { 'a': { 'b': _.constant(1) } }\n     * ];\n     *\n     * _.map(objects, _.method('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(objects, _.method(['a', 'b']));\n     * // => [2, 1]\n     */\n    var method = baseRest(function(path, args) {\n      return function(object) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * The opposite of `_.method`; this method creates a function that invokes\n     * the method at a given path of `object`. Any additional arguments are\n     * provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var array = _.times(3, _.constant),\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n     * // => [2, 0]\n     */\n    var methodOf = baseRest(function(object, args) {\n      return function(path) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * Adds all own enumerable string keyed function properties of a source\n     * object to the destination object. If `object` is a function, then methods\n     * are added to its prototype as well.\n     *\n     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n     * avoid conflicts caused by modifying the original.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Function|Object} [object=lodash] The destination object.\n     * @param {Object} source The object of functions to add.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n     * @returns {Function|Object} Returns `object`.\n     * @example\n     *\n     * function vowels(string) {\n     *   return _.filter(string, function(v) {\n     *     return /[aeiou]/i.test(v);\n     *   });\n     * }\n     *\n     * _.mixin({ 'vowels': vowels });\n     * _.vowels('fred');\n     * // => ['e']\n     *\n     * _('fred').vowels().value();\n     * // => ['e']\n     *\n     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n     * _('fred').vowels();\n     * // => ['e']\n     */\n    function mixin(object, source, options) {\n      var props = keys(source),\n          methodNames = baseFunctions(source, props);\n\n      if (options == null &&\n          !(isObject(source) && (methodNames.length || !props.length))) {\n        options = source;\n        source = object;\n        object = this;\n        methodNames = baseFunctions(source, keys(source));\n      }\n      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n          isFunc = isFunction(object);\n\n      arrayEach(methodNames, function(methodName) {\n        var func = source[methodName];\n        object[methodName] = func;\n        if (isFunc) {\n          object.prototype[methodName] = function() {\n            var chainAll = this.__chain__;\n            if (chain || chainAll) {\n              var result = object(this.__wrapped__),\n                  actions = result.__actions__ = copyArray(this.__actions__);\n\n              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n              result.__chain__ = chainAll;\n              return result;\n            }\n            return func.apply(object, arrayPush([this.value()], arguments));\n          };\n        }\n      });\n\n      return object;\n    }\n\n    /**\n     * Reverts the `_` variable to its previous value and returns a reference to\n     * the `lodash` function.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @returns {Function} Returns the `lodash` function.\n     * @example\n     *\n     * var lodash = _.noConflict();\n     */\n    function noConflict() {\n      if (root._ === this) {\n        root._ = oldDash;\n      }\n      return this;\n    }\n\n    /**\n     * This method returns `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Util\n     * @example\n     *\n     * _.times(2, _.noop);\n     * // => [undefined, undefined]\n     */\n    function noop() {\n      // No operation performed.\n    }\n\n    /**\n     * Creates a function that gets the argument at index `n`. If `n` is negative,\n     * the nth argument from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [n=0] The index of the argument to return.\n     * @returns {Function} Returns the new pass-thru function.\n     * @example\n     *\n     * var func = _.nthArg(1);\n     * func('a', 'b', 'c', 'd');\n     * // => 'b'\n     *\n     * var func = _.nthArg(-2);\n     * func('a', 'b', 'c', 'd');\n     * // => 'c'\n     */\n    function nthArg(n) {\n      n = toInteger(n);\n      return baseRest(function(args) {\n        return baseNth(args, n);\n      });\n    }\n\n    /**\n     * Creates a function that invokes `iteratees` with the arguments it receives\n     * and returns their results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to invoke.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.over([Math.max, Math.min]);\n     *\n     * func(1, 2, 3, 4);\n     * // => [4, 1]\n     */\n    var over = createOver(arrayMap);\n\n    /**\n     * Creates a function that checks if **all** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overEvery([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => false\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overEvery = createOver(arrayEvery);\n\n    /**\n     * Creates a function that checks if **any** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overSome([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => true\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overSome = createOver(arraySome);\n\n    /**\n     * Creates a function that returns the value at `path` of a given object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': 2 } },\n     *   { 'a': { 'b': 1 } }\n     * ];\n     *\n     * _.map(objects, _.property('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n     * // => [1, 2]\n     */\n    function property(path) {\n      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n    }\n\n    /**\n     * The opposite of `_.property`; this method creates a function that returns\n     * the value at a given path of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var array = [0, 1, 2],\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n     * // => [2, 0]\n     */\n    function propertyOf(object) {\n      return function(path) {\n        return object == null ? undefined : baseGet(object, path);\n      };\n    }\n\n    /**\n     * Creates an array of numbers (positive and/or negative) progressing from\n     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n     * `start` is specified without an `end` or `step`. If `end` is not specified,\n     * it's set to `start` with `start` then set to `0`.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.rangeRight\n     * @example\n     *\n     * _.range(4);\n     * // => [0, 1, 2, 3]\n     *\n     * _.range(-4);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 5);\n     * // => [1, 2, 3, 4]\n     *\n     * _.range(0, 20, 5);\n     * // => [0, 5, 10, 15]\n     *\n     * _.range(0, -4, -1);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.range(0);\n     * // => []\n     */\n    var range = createRange();\n\n    /**\n     * This method is like `_.range` except that it populates values in\n     * descending order.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.range\n     * @example\n     *\n     * _.rangeRight(4);\n     * // => [3, 2, 1, 0]\n     *\n     * _.rangeRight(-4);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 5);\n     * // => [4, 3, 2, 1]\n     *\n     * _.rangeRight(0, 20, 5);\n     * // => [15, 10, 5, 0]\n     *\n     * _.rangeRight(0, -4, -1);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.rangeRight(0);\n     * // => []\n     */\n    var rangeRight = createRange(true);\n\n    /**\n     * This method returns a new empty array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Array} Returns the new empty array.\n     * @example\n     *\n     * var arrays = _.times(2, _.stubArray);\n     *\n     * console.log(arrays);\n     * // => [[], []]\n     *\n     * console.log(arrays[0] === arrays[1]);\n     * // => false\n     */\n    function stubArray() {\n      return [];\n    }\n\n    /**\n     * This method returns `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `false`.\n     * @example\n     *\n     * _.times(2, _.stubFalse);\n     * // => [false, false]\n     */\n    function stubFalse() {\n      return false;\n    }\n\n    /**\n     * This method returns a new empty object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Object} Returns the new empty object.\n     * @example\n     *\n     * var objects = _.times(2, _.stubObject);\n     *\n     * console.log(objects);\n     * // => [{}, {}]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => false\n     */\n    function stubObject() {\n      return {};\n    }\n\n    /**\n     * This method returns an empty string.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {string} Returns the empty string.\n     * @example\n     *\n     * _.times(2, _.stubString);\n     * // => ['', '']\n     */\n    function stubString() {\n      return '';\n    }\n\n    /**\n     * This method returns `true`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `true`.\n     * @example\n     *\n     * _.times(2, _.stubTrue);\n     * // => [true, true]\n     */\n    function stubTrue() {\n      return true;\n    }\n\n    /**\n     * Invokes the iteratee `n` times, returning an array of the results of\n     * each invocation. The iteratee is invoked with one argument; (index).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} n The number of times to invoke `iteratee`.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.times(3, String);\n     * // => ['0', '1', '2']\n     *\n     *  _.times(4, _.constant(0));\n     * // => [0, 0, 0, 0]\n     */\n    function times(n, iteratee) {\n      n = toInteger(n);\n      if (n < 1 || n > MAX_SAFE_INTEGER) {\n        return [];\n      }\n      var index = MAX_ARRAY_LENGTH,\n          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\n      iteratee = getIteratee(iteratee);\n      n -= MAX_ARRAY_LENGTH;\n\n      var result = baseTimes(length, iteratee);\n      while (++index < n) {\n        iteratee(index);\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a property path array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the new property path array.\n     * @example\n     *\n     * _.toPath('a.b.c');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toPath('a[0].b.c');\n     * // => ['a', '0', 'b', 'c']\n     */\n    function toPath(value) {\n      if (isArray(value)) {\n        return arrayMap(value, toKey);\n      }\n      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n    }\n\n    /**\n     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {string} [prefix=''] The value to prefix the ID with.\n     * @returns {string} Returns the unique ID.\n     * @example\n     *\n     * _.uniqueId('contact_');\n     * // => 'contact_104'\n     *\n     * _.uniqueId();\n     * // => '105'\n     */\n    function uniqueId(prefix) {\n      var id = ++idCounter;\n      return toString(prefix) + id;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Adds two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {number} augend The first number in an addition.\n     * @param {number} addend The second number in an addition.\n     * @returns {number} Returns the total.\n     * @example\n     *\n     * _.add(6, 4);\n     * // => 10\n     */\n    var add = createMathOperation(function(augend, addend) {\n      return augend + addend;\n    }, 0);\n\n    /**\n     * Computes `number` rounded up to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round up.\n     * @param {number} [precision=0] The precision to round up to.\n     * @returns {number} Returns the rounded up number.\n     * @example\n     *\n     * _.ceil(4.006);\n     * // => 5\n     *\n     * _.ceil(6.004, 2);\n     * // => 6.01\n     *\n     * _.ceil(6040, -2);\n     * // => 6100\n     */\n    var ceil = createRound('ceil');\n\n    /**\n     * Divide two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} dividend The first number in a division.\n     * @param {number} divisor The second number in a division.\n     * @returns {number} Returns the quotient.\n     * @example\n     *\n     * _.divide(6, 4);\n     * // => 1.5\n     */\n    var divide = createMathOperation(function(dividend, divisor) {\n      return dividend / divisor;\n    }, 1);\n\n    /**\n     * Computes `number` rounded down to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round down.\n     * @param {number} [precision=0] The precision to round down to.\n     * @returns {number} Returns the rounded down number.\n     * @example\n     *\n     * _.floor(4.006);\n     * // => 4\n     *\n     * _.floor(0.046, 2);\n     * // => 0.04\n     *\n     * _.floor(4060, -2);\n     * // => 4000\n     */\n    var floor = createRound('floor');\n\n    /**\n     * Computes the maximum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * _.max([4, 2, 8, 6]);\n     * // => 8\n     *\n     * _.max([]);\n     * // => undefined\n     */\n    function max(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseGt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.max` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.maxBy(objects, function(o) { return o.n; });\n     * // => { 'n': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.maxBy(objects, 'n');\n     * // => { 'n': 2 }\n     */\n    function maxBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n        : undefined;\n    }\n\n    /**\n     * Computes the mean of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * _.mean([4, 2, 8, 6]);\n     * // => 5\n     */\n    function mean(array) {\n      return baseMean(array, identity);\n    }\n\n    /**\n     * This method is like `_.mean` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be averaged.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.meanBy(objects, function(o) { return o.n; });\n     * // => 5\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.meanBy(objects, 'n');\n     * // => 5\n     */\n    function meanBy(array, iteratee) {\n      return baseMean(array, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * Computes the minimum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * _.min([4, 2, 8, 6]);\n     * // => 2\n     *\n     * _.min([]);\n     * // => undefined\n     */\n    function min(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseLt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.min` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.minBy(objects, function(o) { return o.n; });\n     * // => { 'n': 1 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.minBy(objects, 'n');\n     * // => { 'n': 1 }\n     */\n    function minBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n        : undefined;\n    }\n\n    /**\n     * Multiply two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} multiplier The first number in a multiplication.\n     * @param {number} multiplicand The second number in a multiplication.\n     * @returns {number} Returns the product.\n     * @example\n     *\n     * _.multiply(6, 4);\n     * // => 24\n     */\n    var multiply = createMathOperation(function(multiplier, multiplicand) {\n      return multiplier * multiplicand;\n    }, 1);\n\n    /**\n     * Computes `number` rounded to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round.\n     * @param {number} [precision=0] The precision to round to.\n     * @returns {number} Returns the rounded number.\n     * @example\n     *\n     * _.round(4.006);\n     * // => 4\n     *\n     * _.round(4.006, 2);\n     * // => 4.01\n     *\n     * _.round(4060, -2);\n     * // => 4100\n     */\n    var round = createRound('round');\n\n    /**\n     * Subtract two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {number} minuend The first number in a subtraction.\n     * @param {number} subtrahend The second number in a subtraction.\n     * @returns {number} Returns the difference.\n     * @example\n     *\n     * _.subtract(6, 4);\n     * // => 2\n     */\n    var subtract = createMathOperation(function(minuend, subtrahend) {\n      return minuend - subtrahend;\n    }, 0);\n\n    /**\n     * Computes the sum of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * _.sum([4, 2, 8, 6]);\n     * // => 20\n     */\n    function sum(array) {\n      return (array && array.length)\n        ? baseSum(array, identity)\n        : 0;\n    }\n\n    /**\n     * This method is like `_.sum` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be summed.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.sumBy(objects, function(o) { return o.n; });\n     * // => 20\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sumBy(objects, 'n');\n     * // => 20\n     */\n    function sumBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSum(array, getIteratee(iteratee, 2))\n        : 0;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return wrapped values in chain sequences.\n    lodash.after = after;\n    lodash.ary = ary;\n    lodash.assign = assign;\n    lodash.assignIn = assignIn;\n    lodash.assignInWith = assignInWith;\n    lodash.assignWith = assignWith;\n    lodash.at = at;\n    lodash.before = before;\n    lodash.bind = bind;\n    lodash.bindAll = bindAll;\n    lodash.bindKey = bindKey;\n    lodash.castArray = castArray;\n    lodash.chain = chain;\n    lodash.chunk = chunk;\n    lodash.compact = compact;\n    lodash.concat = concat;\n    lodash.cond = cond;\n    lodash.conforms = conforms;\n    lodash.constant = constant;\n    lodash.countBy = countBy;\n    lodash.create = create;\n    lodash.curry = curry;\n    lodash.curryRight = curryRight;\n    lodash.debounce = debounce;\n    lodash.defaults = defaults;\n    lodash.defaultsDeep = defaultsDeep;\n    lodash.defer = defer;\n    lodash.delay = delay;\n    lodash.difference = difference;\n    lodash.differenceBy = differenceBy;\n    lodash.differenceWith = differenceWith;\n    lodash.drop = drop;\n    lodash.dropRight = dropRight;\n    lodash.dropRightWhile = dropRightWhile;\n    lodash.dropWhile = dropWhile;\n    lodash.fill = fill;\n    lodash.filter = filter;\n    lodash.flatMap = flatMap;\n    lodash.flatMapDeep = flatMapDeep;\n    lodash.flatMapDepth = flatMapDepth;\n    lodash.flatten = flatten;\n    lodash.flattenDeep = flattenDeep;\n    lodash.flattenDepth = flattenDepth;\n    lodash.flip = flip;\n    lodash.flow = flow;\n    lodash.flowRight = flowRight;\n    lodash.fromPairs = fromPairs;\n    lodash.functions = functions;\n    lodash.functionsIn = functionsIn;\n    lodash.groupBy = groupBy;\n    lodash.initial = initial;\n    lodash.intersection = intersection;\n    lodash.intersectionBy = intersectionBy;\n    lodash.intersectionWith = intersectionWith;\n    lodash.invert = invert;\n    lodash.invertBy = invertBy;\n    lodash.invokeMap = invokeMap;\n    lodash.iteratee = iteratee;\n    lodash.keyBy = keyBy;\n    lodash.keys = keys;\n    lodash.keysIn = keysIn;\n    lodash.map = map;\n    lodash.mapKeys = mapKeys;\n    lodash.mapValues = mapValues;\n    lodash.matches = matches;\n    lodash.matchesProperty = matchesProperty;\n    lodash.memoize = memoize;\n    lodash.merge = merge;\n    lodash.mergeWith = mergeWith;\n    lodash.method = method;\n    lodash.methodOf = methodOf;\n    lodash.mixin = mixin;\n    lodash.negate = negate;\n    lodash.nthArg = nthArg;\n    lodash.omit = omit;\n    lodash.omitBy = omitBy;\n    lodash.once = once;\n    lodash.orderBy = orderBy;\n    lodash.over = over;\n    lodash.overArgs = overArgs;\n    lodash.overEvery = overEvery;\n    lodash.overSome = overSome;\n    lodash.partial = partial;\n    lodash.partialRight = partialRight;\n    lodash.partition = partition;\n    lodash.pick = pick;\n    lodash.pickBy = pickBy;\n    lodash.property = property;\n    lodash.propertyOf = propertyOf;\n    lodash.pull = pull;\n    lodash.pullAll = pullAll;\n    lodash.pullAllBy = pullAllBy;\n    lodash.pullAllWith = pullAllWith;\n    lodash.pullAt = pullAt;\n    lodash.range = range;\n    lodash.rangeRight = rangeRight;\n    lodash.rearg = rearg;\n    lodash.reject = reject;\n    lodash.remove = remove;\n    lodash.rest = rest;\n    lodash.reverse = reverse;\n    lodash.sampleSize = sampleSize;\n    lodash.set = set;\n    lodash.setWith = setWith;\n    lodash.shuffle = shuffle;\n    lodash.slice = slice;\n    lodash.sortBy = sortBy;\n    lodash.sortedUniq = sortedUniq;\n    lodash.sortedUniqBy = sortedUniqBy;\n    lodash.split = split;\n    lodash.spread = spread;\n    lodash.tail = tail;\n    lodash.take = take;\n    lodash.takeRight = takeRight;\n    lodash.takeRightWhile = takeRightWhile;\n    lodash.takeWhile = takeWhile;\n    lodash.tap = tap;\n    lodash.throttle = throttle;\n    lodash.thru = thru;\n    lodash.toArray = toArray;\n    lodash.toPairs = toPairs;\n    lodash.toPairsIn = toPairsIn;\n    lodash.toPath = toPath;\n    lodash.toPlainObject = toPlainObject;\n    lodash.transform = transform;\n    lodash.unary = unary;\n    lodash.union = union;\n    lodash.unionBy = unionBy;\n    lodash.unionWith = unionWith;\n    lodash.uniq = uniq;\n    lodash.uniqBy = uniqBy;\n    lodash.uniqWith = uniqWith;\n    lodash.unset = unset;\n    lodash.unzip = unzip;\n    lodash.unzipWith = unzipWith;\n    lodash.update = update;\n    lodash.updateWith = updateWith;\n    lodash.values = values;\n    lodash.valuesIn = valuesIn;\n    lodash.without = without;\n    lodash.words = words;\n    lodash.wrap = wrap;\n    lodash.xor = xor;\n    lodash.xorBy = xorBy;\n    lodash.xorWith = xorWith;\n    lodash.zip = zip;\n    lodash.zipObject = zipObject;\n    lodash.zipObjectDeep = zipObjectDeep;\n    lodash.zipWith = zipWith;\n\n    // Add aliases.\n    lodash.entries = toPairs;\n    lodash.entriesIn = toPairsIn;\n    lodash.extend = assignIn;\n    lodash.extendWith = assignInWith;\n\n    // Add methods to `lodash.prototype`.\n    mixin(lodash, lodash);\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return unwrapped values in chain sequences.\n    lodash.add = add;\n    lodash.attempt = attempt;\n    lodash.camelCase = camelCase;\n    lodash.capitalize = capitalize;\n    lodash.ceil = ceil;\n    lodash.clamp = clamp;\n    lodash.clone = clone;\n    lodash.cloneDeep = cloneDeep;\n    lodash.cloneDeepWith = cloneDeepWith;\n    lodash.cloneWith = cloneWith;\n    lodash.conformsTo = conformsTo;\n    lodash.deburr = deburr;\n    lodash.defaultTo = defaultTo;\n    lodash.divide = divide;\n    lodash.endsWith = endsWith;\n    lodash.eq = eq;\n    lodash.escape = escape;\n    lodash.escapeRegExp = escapeRegExp;\n    lodash.every = every;\n    lodash.find = find;\n    lodash.findIndex = findIndex;\n    lodash.findKey = findKey;\n    lodash.findLast = findLast;\n    lodash.findLastIndex = findLastIndex;\n    lodash.findLastKey = findLastKey;\n    lodash.floor = floor;\n    lodash.forEach = forEach;\n    lodash.forEachRight = forEachRight;\n    lodash.forIn = forIn;\n    lodash.forInRight = forInRight;\n    lodash.forOwn = forOwn;\n    lodash.forOwnRight = forOwnRight;\n    lodash.get = get;\n    lodash.gt = gt;\n    lodash.gte = gte;\n    lodash.has = has;\n    lodash.hasIn = hasIn;\n    lodash.head = head;\n    lodash.identity = identity;\n    lodash.includes = includes;\n    lodash.indexOf = indexOf;\n    lodash.inRange = inRange;\n    lodash.invoke = invoke;\n    lodash.isArguments = isArguments;\n    lodash.isArray = isArray;\n    lodash.isArrayBuffer = isArrayBuffer;\n    lodash.isArrayLike = isArrayLike;\n    lodash.isArrayLikeObject = isArrayLikeObject;\n    lodash.isBoolean = isBoolean;\n    lodash.isBuffer = isBuffer;\n    lodash.isDate = isDate;\n    lodash.isElement = isElement;\n    lodash.isEmpty = isEmpty;\n    lodash.isEqual = isEqual;\n    lodash.isEqualWith = isEqualWith;\n    lodash.isError = isError;\n    lodash.isFinite = isFinite;\n    lodash.isFunction = isFunction;\n    lodash.isInteger = isInteger;\n    lodash.isLength = isLength;\n    lodash.isMap = isMap;\n    lodash.isMatch = isMatch;\n    lodash.isMatchWith = isMatchWith;\n    lodash.isNaN = isNaN;\n    lodash.isNative = isNative;\n    lodash.isNil = isNil;\n    lodash.isNull = isNull;\n    lodash.isNumber = isNumber;\n    lodash.isObject = isObject;\n    lodash.isObjectLike = isObjectLike;\n    lodash.isPlainObject = isPlainObject;\n    lodash.isRegExp = isRegExp;\n    lodash.isSafeInteger = isSafeInteger;\n    lodash.isSet = isSet;\n    lodash.isString = isString;\n    lodash.isSymbol = isSymbol;\n    lodash.isTypedArray = isTypedArray;\n    lodash.isUndefined = isUndefined;\n    lodash.isWeakMap = isWeakMap;\n    lodash.isWeakSet = isWeakSet;\n    lodash.join = join;\n    lodash.kebabCase = kebabCase;\n    lodash.last = last;\n    lodash.lastIndexOf = lastIndexOf;\n    lodash.lowerCase = lowerCase;\n    lodash.lowerFirst = lowerFirst;\n    lodash.lt = lt;\n    lodash.lte = lte;\n    lodash.max = max;\n    lodash.maxBy = maxBy;\n    lodash.mean = mean;\n    lodash.meanBy = meanBy;\n    lodash.min = min;\n    lodash.minBy = minBy;\n    lodash.stubArray = stubArray;\n    lodash.stubFalse = stubFalse;\n    lodash.stubObject = stubObject;\n    lodash.stubString = stubString;\n    lodash.stubTrue = stubTrue;\n    lodash.multiply = multiply;\n    lodash.nth = nth;\n    lodash.noConflict = noConflict;\n    lodash.noop = noop;\n    lodash.now = now;\n    lodash.pad = pad;\n    lodash.padEnd = padEnd;\n    lodash.padStart = padStart;\n    lodash.parseInt = parseInt;\n    lodash.random = random;\n    lodash.reduce = reduce;\n    lodash.reduceRight = reduceRight;\n    lodash.repeat = repeat;\n    lodash.replace = replace;\n    lodash.result = result;\n    lodash.round = round;\n    lodash.runInContext = runInContext;\n    lodash.sample = sample;\n    lodash.size = size;\n    lodash.snakeCase = snakeCase;\n    lodash.some = some;\n    lodash.sortedIndex = sortedIndex;\n    lodash.sortedIndexBy = sortedIndexBy;\n    lodash.sortedIndexOf = sortedIndexOf;\n    lodash.sortedLastIndex = sortedLastIndex;\n    lodash.sortedLastIndexBy = sortedLastIndexBy;\n    lodash.sortedLastIndexOf = sortedLastIndexOf;\n    lodash.startCase = startCase;\n    lodash.startsWith = startsWith;\n    lodash.subtract = subtract;\n    lodash.sum = sum;\n    lodash.sumBy = sumBy;\n    lodash.template = template;\n    lodash.times = times;\n    lodash.toFinite = toFinite;\n    lodash.toInteger = toInteger;\n    lodash.toLength = toLength;\n    lodash.toLower = toLower;\n    lodash.toNumber = toNumber;\n    lodash.toSafeInteger = toSafeInteger;\n    lodash.toString = toString;\n    lodash.toUpper = toUpper;\n    lodash.trim = trim;\n    lodash.trimEnd = trimEnd;\n    lodash.trimStart = trimStart;\n    lodash.truncate = truncate;\n    lodash.unescape = unescape;\n    lodash.uniqueId = uniqueId;\n    lodash.upperCase = upperCase;\n    lodash.upperFirst = upperFirst;\n\n    // Add aliases.\n    lodash.each = forEach;\n    lodash.eachRight = forEachRight;\n    lodash.first = head;\n\n    mixin(lodash, (function() {\n      var source = {};\n      baseForOwn(lodash, function(func, methodName) {\n        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n          source[methodName] = func;\n        }\n      });\n      return source;\n    }()), { 'chain': false });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The semantic version number.\n     *\n     * @static\n     * @memberOf _\n     * @type {string}\n     */\n    lodash.VERSION = VERSION;\n\n    // Assign default placeholders.\n    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n      lodash[methodName].placeholder = lodash;\n    });\n\n    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n    arrayEach(['drop', 'take'], function(methodName, index) {\n      LazyWrapper.prototype[methodName] = function(n) {\n        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\n        var result = (this.__filtered__ && !index)\n          ? new LazyWrapper(this)\n          : this.clone();\n\n        if (result.__filtered__) {\n          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n        } else {\n          result.__views__.push({\n            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n          });\n        }\n        return result;\n      };\n\n      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n        return this.reverse()[methodName](n).reverse();\n      };\n    });\n\n    // Add `LazyWrapper` methods that accept an `iteratee` value.\n    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n      var type = index + 1,\n          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\n      LazyWrapper.prototype[methodName] = function(iteratee) {\n        var result = this.clone();\n        result.__iteratees__.push({\n          'iteratee': getIteratee(iteratee, 3),\n          'type': type\n        });\n        result.__filtered__ = result.__filtered__ || isFilter;\n        return result;\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n    arrayEach(['head', 'last'], function(methodName, index) {\n      var takeName = 'take' + (index ? 'Right' : '');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this[takeName](1).value()[0];\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n    arrayEach(['initial', 'tail'], function(methodName, index) {\n      var dropName = 'drop' + (index ? '' : 'Right');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n      };\n    });\n\n    LazyWrapper.prototype.compact = function() {\n      return this.filter(identity);\n    };\n\n    LazyWrapper.prototype.find = function(predicate) {\n      return this.filter(predicate).head();\n    };\n\n    LazyWrapper.prototype.findLast = function(predicate) {\n      return this.reverse().find(predicate);\n    };\n\n    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n      if (typeof path == 'function') {\n        return new LazyWrapper(this);\n      }\n      return this.map(function(value) {\n        return baseInvoke(value, path, args);\n      });\n    });\n\n    LazyWrapper.prototype.reject = function(predicate) {\n      return this.filter(negate(getIteratee(predicate)));\n    };\n\n    LazyWrapper.prototype.slice = function(start, end) {\n      start = toInteger(start);\n\n      var result = this;\n      if (result.__filtered__ && (start > 0 || end < 0)) {\n        return new LazyWrapper(result);\n      }\n      if (start < 0) {\n        result = result.takeRight(-start);\n      } else if (start) {\n        result = result.drop(start);\n      }\n      if (end !== undefined) {\n        end = toInteger(end);\n        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n      }\n      return result;\n    };\n\n    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n      return this.reverse().takeWhile(predicate).reverse();\n    };\n\n    LazyWrapper.prototype.toArray = function() {\n      return this.take(MAX_ARRAY_LENGTH);\n    };\n\n    // Add `LazyWrapper` methods to `lodash.prototype`.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n          isTaker = /^(?:head|last)$/.test(methodName),\n          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n          retUnwrapped = isTaker || /^find/.test(methodName);\n\n      if (!lodashFunc) {\n        return;\n      }\n      lodash.prototype[methodName] = function() {\n        var value = this.__wrapped__,\n            args = isTaker ? [1] : arguments,\n            isLazy = value instanceof LazyWrapper,\n            iteratee = args[0],\n            useLazy = isLazy || isArray(value);\n\n        var interceptor = function(value) {\n          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n          return (isTaker && chainAll) ? result[0] : result;\n        };\n\n        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n          isLazy = useLazy = false;\n        }\n        var chainAll = this.__chain__,\n            isHybrid = !!this.__actions__.length,\n            isUnwrapped = retUnwrapped && !chainAll,\n            onlyLazy = isLazy && !isHybrid;\n\n        if (!retUnwrapped && useLazy) {\n          value = onlyLazy ? value : new LazyWrapper(this);\n          var result = func.apply(value, args);\n          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n          return new LodashWrapper(result, chainAll);\n        }\n        if (isUnwrapped && onlyLazy) {\n          return func.apply(this, args);\n        }\n        result = this.thru(interceptor);\n        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n      };\n    });\n\n    // Add `Array` methods to `lodash.prototype`.\n    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n      var func = arrayProto[methodName],\n          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\n      lodash.prototype[methodName] = function() {\n        var args = arguments;\n        if (retUnwrapped && !this.__chain__) {\n          var value = this.value();\n          return func.apply(isArray(value) ? value : [], args);\n        }\n        return this[chainName](function(value) {\n          return func.apply(isArray(value) ? value : [], args);\n        });\n      };\n    });\n\n    // Map minified method names to their real names.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var lodashFunc = lodash[methodName];\n      if (lodashFunc) {\n        var key = (lodashFunc.name + ''),\n            names = realNames[key] || (realNames[key] = []);\n\n        names.push({ 'name': methodName, 'func': lodashFunc });\n      }\n    });\n\n    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n      'name': 'wrapper',\n      'func': undefined\n    }];\n\n    // Add methods to `LazyWrapper`.\n    LazyWrapper.prototype.clone = lazyClone;\n    LazyWrapper.prototype.reverse = lazyReverse;\n    LazyWrapper.prototype.value = lazyValue;\n\n    // Add chain sequence methods to the `lodash` wrapper.\n    lodash.prototype.at = wrapperAt;\n    lodash.prototype.chain = wrapperChain;\n    lodash.prototype.commit = wrapperCommit;\n    lodash.prototype.next = wrapperNext;\n    lodash.prototype.plant = wrapperPlant;\n    lodash.prototype.reverse = wrapperReverse;\n    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\n    // Add lazy aliases.\n    lodash.prototype.first = lodash.prototype.head;\n\n    if (symIterator) {\n      lodash.prototype[symIterator] = wrapperToIterator;\n    }\n    return lodash;\n  });\n\n  /*--------------------------------------------------------------------------*/\n\n  // Export lodash.\n  var _ = runInContext();\n\n  // Some AMD build optimizers, like r.js, check for condition patterns like:\n  if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {\n    // Expose Lodash on the global object to prevent errors when Lodash is\n    // loaded by a script tag in the presence of an AMD loader.\n    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n    // Use `_.noConflict` to remove Lodash from the global object.\n    root._ = _;\n\n    // Define as an anonymous module so, through path mapping, it can be\n    // referenced as the \"underscore\" module.\n    define(function() {\n      return _;\n    });\n  }\n  // Check for `exports` after `define` in case a build optimizer adds it.\n  else if (freeModule) {\n    // Export for Node.js.\n    (freeModule.exports = _)._ = _;\n    // Export for CommonJS support.\n    freeExports._ = _;\n  }\n  else {\n    // Export to the global object.\n    root._ = _;\n  }\n}.call(this));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-loader/~/lodash/lodash.js\n// module id = 121\n// module chunks = 0","module.exports = { \"default\": require(\"core-js/library/fn/object/create\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/core-js/object/create.js\n// module id = 122\n// module chunks = 0","module.exports = { \"default\": require(\"core-js/library/fn/object/define-property\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/core-js/object/define-property.js\n// module id = 123\n// module chunks = 0","module.exports = { \"default\": require(\"core-js/library/fn/object/get-prototype-of\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/core-js/object/get-prototype-of.js\n// module id = 124\n// module chunks = 0","module.exports = { \"default\": require(\"core-js/library/fn/object/set-prototype-of\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/core-js/object/set-prototype-of.js\n// module id = 125\n// module chunks = 0","module.exports = { \"default\": require(\"core-js/library/fn/symbol\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/core-js/symbol.js\n// module id = 126\n// module chunks = 0","module.exports = { \"default\": require(\"core-js/library/fn/symbol/iterator\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/core-js/symbol/iterator.js\n// module id = 127\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nvar _setPrototypeOf = require(\"../core-js/object/set-prototype-of\");\n\nvar _setPrototypeOf2 = _interopRequireDefault(_setPrototypeOf);\n\nvar _create = require(\"../core-js/object/create\");\n\nvar _create2 = _interopRequireDefault(_create);\n\nvar _typeof2 = require(\"../helpers/typeof\");\n\nvar _typeof3 = _interopRequireDefault(_typeof2);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function (subClass, superClass) {\n  if (typeof superClass !== \"function\" && superClass !== null) {\n    throw new TypeError(\"Super expression must either be null or a function, not \" + (typeof superClass === \"undefined\" ? \"undefined\" : (0, _typeof3.default)(superClass)));\n  }\n\n  subClass.prototype = (0, _create2.default)(superClass && superClass.prototype, {\n    constructor: {\n      value: subClass,\n      enumerable: false,\n      writable: true,\n      configurable: true\n    }\n  });\n  if (superClass) _setPrototypeOf2.default ? (0, _setPrototypeOf2.default)(subClass, superClass) : subClass.__proto__ = superClass;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/helpers/inherits.js\n// module id = 128\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nvar _typeof2 = require(\"../helpers/typeof\");\n\nvar _typeof3 = _interopRequireDefault(_typeof2);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function (self, call) {\n  if (!self) {\n    throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n  }\n\n  return call && ((typeof call === \"undefined\" ? \"undefined\" : (0, _typeof3.default)(call)) === \"object\" || typeof call === \"function\") ? call : self;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/babel-runtime/helpers/possibleConstructorReturn.js\n// module id = 129\n// module chunks = 0","require('../../modules/es6.object.create');\nvar $Object = require('../../modules/_core').Object;\nmodule.exports = function create(P, D) {\n  return $Object.create(P, D);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/fn/object/create.js\n// module id = 130\n// module chunks = 0","require('../../modules/es6.object.define-property');\nvar $Object = require('../../modules/_core').Object;\nmodule.exports = function defineProperty(it, key, desc) {\n  return $Object.defineProperty(it, key, desc);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/fn/object/define-property.js\n// module id = 131\n// module chunks = 0","require('../../modules/es6.object.get-prototype-of');\nmodule.exports = require('../../modules/_core').Object.getPrototypeOf;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/fn/object/get-prototype-of.js\n// module id = 132\n// module chunks = 0","require('../../modules/es6.object.set-prototype-of');\nmodule.exports = require('../../modules/_core').Object.setPrototypeOf;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/fn/object/set-prototype-of.js\n// module id = 133\n// module chunks = 0","require('../../modules/es6.symbol');\nrequire('../../modules/es6.object.to-string');\nrequire('../../modules/es7.symbol.async-iterator');\nrequire('../../modules/es7.symbol.observable');\nmodule.exports = require('../../modules/_core').Symbol;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/fn/symbol/index.js\n// module id = 134\n// module chunks = 0","require('../../modules/es6.string.iterator');\nrequire('../../modules/web.dom.iterable');\nmodule.exports = require('../../modules/_wks-ext').f('iterator');\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/fn/symbol/iterator.js\n// module id = 135\n// module chunks = 0","module.exports = function (it) {\n  if (typeof it != 'function') throw TypeError(it + ' is not a function!');\n  return it;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_a-function.js\n// module id = 136\n// module chunks = 0","module.exports = function () { /* empty */ };\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_add-to-unscopables.js\n// module id = 137\n// module chunks = 0","// false -> Array#indexOf\n// true  -> Array#includes\nvar toIObject = require('./_to-iobject');\nvar toLength = require('./_to-length');\nvar toAbsoluteIndex = require('./_to-absolute-index');\nmodule.exports = function (IS_INCLUDES) {\n  return function ($this, el, fromIndex) {\n    var O = toIObject($this);\n    var length = toLength(O.length);\n    var index = toAbsoluteIndex(fromIndex, length);\n    var value;\n    // Array#includes uses SameValueZero equality algorithm\n    // eslint-disable-next-line no-self-compare\n    if (IS_INCLUDES && el != el) while (length > index) {\n      value = O[index++];\n      // eslint-disable-next-line no-self-compare\n      if (value != value) return true;\n    // Array#indexOf ignores holes, Array#includes - not\n    } else for (;length > index; index++) if (IS_INCLUDES || index in O) {\n      if (O[index] === el) return IS_INCLUDES || index || 0;\n    } return !IS_INCLUDES && -1;\n  };\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_array-includes.js\n// module id = 138\n// module chunks = 0","// all enumerable object keys, includes symbols\nvar getKeys = require('./_object-keys');\nvar gOPS = require('./_object-gops');\nvar pIE = require('./_object-pie');\nmodule.exports = function (it) {\n  var result = getKeys(it);\n  var getSymbols = gOPS.f;\n  if (getSymbols) {\n    var symbols = getSymbols(it);\n    var isEnum = pIE.f;\n    var i = 0;\n    var key;\n    while (symbols.length > i) if (isEnum.call(it, key = symbols[i++])) result.push(key);\n  } return result;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_enum-keys.js\n// module id = 139\n// module chunks = 0","var document = require('./_global').document;\nmodule.exports = document && document.documentElement;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_html.js\n// module id = 140\n// module chunks = 0","// fallback for non-array-like ES3 and non-enumerable old V8 strings\nvar cof = require('./_cof');\n// eslint-disable-next-line no-prototype-builtins\nmodule.exports = Object('z').propertyIsEnumerable(0) ? Object : function (it) {\n  return cof(it) == 'String' ? it.split('') : Object(it);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_iobject.js\n// module id = 141\n// module chunks = 0","// 7.2.2 IsArray(argument)\nvar cof = require('./_cof');\nmodule.exports = Array.isArray || function isArray(arg) {\n  return cof(arg) == 'Array';\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_is-array.js\n// module id = 142\n// module chunks = 0","'use strict';\nvar create = require('./_object-create');\nvar descriptor = require('./_property-desc');\nvar setToStringTag = require('./_set-to-string-tag');\nvar IteratorPrototype = {};\n\n// 25.1.2.1.1 %IteratorPrototype%[@@iterator]()\nrequire('./_hide')(IteratorPrototype, require('./_wks')('iterator'), function () { return this; });\n\nmodule.exports = function (Constructor, NAME, next) {\n  Constructor.prototype = create(IteratorPrototype, { next: descriptor(1, next) });\n  setToStringTag(Constructor, NAME + ' Iterator');\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_iter-create.js\n// module id = 143\n// module chunks = 0","module.exports = function (done, value) {\n  return { value: value, done: !!done };\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_iter-step.js\n// module id = 144\n// module chunks = 0","var META = require('./_uid')('meta');\nvar isObject = require('./_is-object');\nvar has = require('./_has');\nvar setDesc = require('./_object-dp').f;\nvar id = 0;\nvar isExtensible = Object.isExtensible || function () {\n  return true;\n};\nvar FREEZE = !require('./_fails')(function () {\n  return isExtensible(Object.preventExtensions({}));\n});\nvar setMeta = function (it) {\n  setDesc(it, META, { value: {\n    i: 'O' + ++id, // object ID\n    w: {}          // weak collections IDs\n  } });\n};\nvar fastKey = function (it, create) {\n  // return primitive with prefix\n  if (!isObject(it)) return typeof it == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;\n  if (!has(it, META)) {\n    // can't set metadata to uncaught frozen object\n    if (!isExtensible(it)) return 'F';\n    // not necessary to add metadata\n    if (!create) return 'E';\n    // add missing metadata\n    setMeta(it);\n  // return object ID\n  } return it[META].i;\n};\nvar getWeak = function (it, create) {\n  if (!has(it, META)) {\n    // can't set metadata to uncaught frozen object\n    if (!isExtensible(it)) return true;\n    // not necessary to add metadata\n    if (!create) return false;\n    // add missing metadata\n    setMeta(it);\n  // return hash weak collections IDs\n  } return it[META].w;\n};\n// add metadata on freeze-family methods calling\nvar onFreeze = function (it) {\n  if (FREEZE && meta.NEED && isExtensible(it) && !has(it, META)) setMeta(it);\n  return it;\n};\nvar meta = module.exports = {\n  KEY: META,\n  NEED: false,\n  fastKey: fastKey,\n  getWeak: getWeak,\n  onFreeze: onFreeze\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_meta.js\n// module id = 145\n// module chunks = 0","var dP = require('./_object-dp');\nvar anObject = require('./_an-object');\nvar getKeys = require('./_object-keys');\n\nmodule.exports = require('./_descriptors') ? Object.defineProperties : function defineProperties(O, Properties) {\n  anObject(O);\n  var keys = getKeys(Properties);\n  var length = keys.length;\n  var i = 0;\n  var P;\n  while (length > i) dP.f(O, P = keys[i++], Properties[P]);\n  return O;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-dps.js\n// module id = 146\n// module chunks = 0","// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window\nvar toIObject = require('./_to-iobject');\nvar gOPN = require('./_object-gopn').f;\nvar toString = {}.toString;\n\nvar windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames\n  ? Object.getOwnPropertyNames(window) : [];\n\nvar getWindowNames = function (it) {\n  try {\n    return gOPN(it);\n  } catch (e) {\n    return windowNames.slice();\n  }\n};\n\nmodule.exports.f = function getOwnPropertyNames(it) {\n  return windowNames && toString.call(it) == '[object Window]' ? getWindowNames(it) : gOPN(toIObject(it));\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-gopn-ext.js\n// module id = 147\n// module chunks = 0","// most Object methods by ES6 should accept primitives\nvar $export = require('./_export');\nvar core = require('./_core');\nvar fails = require('./_fails');\nmodule.exports = function (KEY, exec) {\n  var fn = (core.Object || {})[KEY] || Object[KEY];\n  var exp = {};\n  exp[KEY] = exec(fn);\n  $export($export.S + $export.F * fails(function () { fn(1); }), 'Object', exp);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_object-sap.js\n// module id = 148\n// module chunks = 0","// Works with __proto__ only. Old v8 can't work with null proto objects.\n/* eslint-disable no-proto */\nvar isObject = require('./_is-object');\nvar anObject = require('./_an-object');\nvar check = function (O, proto) {\n  anObject(O);\n  if (!isObject(proto) && proto !== null) throw TypeError(proto + \": can't set as prototype!\");\n};\nmodule.exports = {\n  set: Object.setPrototypeOf || ('__proto__' in {} ? // eslint-disable-line\n    function (test, buggy, set) {\n      try {\n        set = require('./_ctx')(Function.call, require('./_object-gopd').f(Object.prototype, '__proto__').set, 2);\n        set(test, []);\n        buggy = !(test instanceof Array);\n      } catch (e) { buggy = true; }\n      return function setPrototypeOf(O, proto) {\n        check(O, proto);\n        if (buggy) O.__proto__ = proto;\n        else set(O, proto);\n        return O;\n      };\n    }({}, false) : undefined),\n  check: check\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_set-proto.js\n// module id = 149\n// module chunks = 0","var toInteger = require('./_to-integer');\nvar defined = require('./_defined');\n// true  -> String#at\n// false -> String#codePointAt\nmodule.exports = function (TO_STRING) {\n  return function (that, pos) {\n    var s = String(defined(that));\n    var i = toInteger(pos);\n    var l = s.length;\n    var a, b;\n    if (i < 0 || i >= l) return TO_STRING ? '' : undefined;\n    a = s.charCodeAt(i);\n    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff\n      ? TO_STRING ? s.charAt(i) : a\n      : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;\n  };\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_string-at.js\n// module id = 150\n// module chunks = 0","var toInteger = require('./_to-integer');\nvar max = Math.max;\nvar min = Math.min;\nmodule.exports = function (index, length) {\n  index = toInteger(index);\n  return index < 0 ? max(index + length, 0) : min(index, length);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_to-absolute-index.js\n// module id = 151\n// module chunks = 0","// 7.1.15 ToLength\nvar toInteger = require('./_to-integer');\nvar min = Math.min;\nmodule.exports = function (it) {\n  return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0; // pow(2, 53) - 1 == 9007199254740991\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/_to-length.js\n// module id = 152\n// module chunks = 0","'use strict';\nvar addToUnscopables = require('./_add-to-unscopables');\nvar step = require('./_iter-step');\nvar Iterators = require('./_iterators');\nvar toIObject = require('./_to-iobject');\n\n// 22.1.3.4 Array.prototype.entries()\n// 22.1.3.13 Array.prototype.keys()\n// 22.1.3.29 Array.prototype.values()\n// 22.1.3.30 Array.prototype[@@iterator]()\nmodule.exports = require('./_iter-define')(Array, 'Array', function (iterated, kind) {\n  this._t = toIObject(iterated); // target\n  this._i = 0;                   // next index\n  this._k = kind;                // kind\n// 22.1.5.2.1 %ArrayIteratorPrototype%.next()\n}, function () {\n  var O = this._t;\n  var kind = this._k;\n  var index = this._i++;\n  if (!O || index >= O.length) {\n    this._t = undefined;\n    return step(1);\n  }\n  if (kind == 'keys') return step(0, index);\n  if (kind == 'values') return step(0, O[index]);\n  return step(0, [index, O[index]]);\n}, 'values');\n\n// argumentsList[@@iterator] is %ArrayProto_values% (9.4.4.6, 9.4.4.7)\nIterators.Arguments = Iterators.Array;\n\naddToUnscopables('keys');\naddToUnscopables('values');\naddToUnscopables('entries');\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/es6.array.iterator.js\n// module id = 153\n// module chunks = 0","var $export = require('./_export');\n// 19.1.2.2 / 15.2.3.5 Object.create(O [, Properties])\n$export($export.S, 'Object', { create: require('./_object-create') });\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/es6.object.create.js\n// module id = 154\n// module chunks = 0","var $export = require('./_export');\n// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n$export($export.S + $export.F * !require('./_descriptors'), 'Object', { defineProperty: require('./_object-dp').f });\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/es6.object.define-property.js\n// module id = 155\n// module chunks = 0","// 19.1.2.9 Object.getPrototypeOf(O)\nvar toObject = require('./_to-object');\nvar $getPrototypeOf = require('./_object-gpo');\n\nrequire('./_object-sap')('getPrototypeOf', function () {\n  return function getPrototypeOf(it) {\n    return $getPrototypeOf(toObject(it));\n  };\n});\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/es6.object.get-prototype-of.js\n// module id = 156\n// module chunks = 0","// 19.1.3.19 Object.setPrototypeOf(O, proto)\nvar $export = require('./_export');\n$export($export.S, 'Object', { setPrototypeOf: require('./_set-proto').set });\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/es6.object.set-prototype-of.js\n// module id = 157\n// module chunks = 0","'use strict';\nvar $at = require('./_string-at')(true);\n\n// 21.1.3.27 String.prototype[@@iterator]()\nrequire('./_iter-define')(String, 'String', function (iterated) {\n  this._t = String(iterated); // target\n  this._i = 0;                // next index\n// 21.1.5.2.1 %StringIteratorPrototype%.next()\n}, function () {\n  var O = this._t;\n  var index = this._i;\n  var point;\n  if (index >= O.length) return { value: undefined, done: true };\n  point = $at(O, index);\n  this._i += point.length;\n  return { value: point, done: false };\n});\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/es6.string.iterator.js\n// module id = 159\n// module chunks = 0","'use strict';\n// ECMAScript 6 symbols shim\nvar global = require('./_global');\nvar has = require('./_has');\nvar DESCRIPTORS = require('./_descriptors');\nvar $export = require('./_export');\nvar redefine = require('./_redefine');\nvar META = require('./_meta').KEY;\nvar $fails = require('./_fails');\nvar shared = require('./_shared');\nvar setToStringTag = require('./_set-to-string-tag');\nvar uid = require('./_uid');\nvar wks = require('./_wks');\nvar wksExt = require('./_wks-ext');\nvar wksDefine = require('./_wks-define');\nvar enumKeys = require('./_enum-keys');\nvar isArray = require('./_is-array');\nvar anObject = require('./_an-object');\nvar toIObject = require('./_to-iobject');\nvar toPrimitive = require('./_to-primitive');\nvar createDesc = require('./_property-desc');\nvar _create = require('./_object-create');\nvar gOPNExt = require('./_object-gopn-ext');\nvar $GOPD = require('./_object-gopd');\nvar $DP = require('./_object-dp');\nvar $keys = require('./_object-keys');\nvar gOPD = $GOPD.f;\nvar dP = $DP.f;\nvar gOPN = gOPNExt.f;\nvar $Symbol = global.Symbol;\nvar $JSON = global.JSON;\nvar _stringify = $JSON && $JSON.stringify;\nvar PROTOTYPE = 'prototype';\nvar HIDDEN = wks('_hidden');\nvar TO_PRIMITIVE = wks('toPrimitive');\nvar isEnum = {}.propertyIsEnumerable;\nvar SymbolRegistry = shared('symbol-registry');\nvar AllSymbols = shared('symbols');\nvar OPSymbols = shared('op-symbols');\nvar ObjectProto = Object[PROTOTYPE];\nvar USE_NATIVE = typeof $Symbol == 'function';\nvar QObject = global.QObject;\n// Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173\nvar setter = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;\n\n// fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687\nvar setSymbolDesc = DESCRIPTORS && $fails(function () {\n  return _create(dP({}, 'a', {\n    get: function () { return dP(this, 'a', { value: 7 }).a; }\n  })).a != 7;\n}) ? function (it, key, D) {\n  var protoDesc = gOPD(ObjectProto, key);\n  if (protoDesc) delete ObjectProto[key];\n  dP(it, key, D);\n  if (protoDesc && it !== ObjectProto) dP(ObjectProto, key, protoDesc);\n} : dP;\n\nvar wrap = function (tag) {\n  var sym = AllSymbols[tag] = _create($Symbol[PROTOTYPE]);\n  sym._k = tag;\n  return sym;\n};\n\nvar isSymbol = USE_NATIVE && typeof $Symbol.iterator == 'symbol' ? function (it) {\n  return typeof it == 'symbol';\n} : function (it) {\n  return it instanceof $Symbol;\n};\n\nvar $defineProperty = function defineProperty(it, key, D) {\n  if (it === ObjectProto) $defineProperty(OPSymbols, key, D);\n  anObject(it);\n  key = toPrimitive(key, true);\n  anObject(D);\n  if (has(AllSymbols, key)) {\n    if (!D.enumerable) {\n      if (!has(it, HIDDEN)) dP(it, HIDDEN, createDesc(1, {}));\n      it[HIDDEN][key] = true;\n    } else {\n      if (has(it, HIDDEN) && it[HIDDEN][key]) it[HIDDEN][key] = false;\n      D = _create(D, { enumerable: createDesc(0, false) });\n    } return setSymbolDesc(it, key, D);\n  } return dP(it, key, D);\n};\nvar $defineProperties = function defineProperties(it, P) {\n  anObject(it);\n  var keys = enumKeys(P = toIObject(P));\n  var i = 0;\n  var l = keys.length;\n  var key;\n  while (l > i) $defineProperty(it, key = keys[i++], P[key]);\n  return it;\n};\nvar $create = function create(it, P) {\n  return P === undefined ? _create(it) : $defineProperties(_create(it), P);\n};\nvar $propertyIsEnumerable = function propertyIsEnumerable(key) {\n  var E = isEnum.call(this, key = toPrimitive(key, true));\n  if (this === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key)) return false;\n  return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key] ? E : true;\n};\nvar $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key) {\n  it = toIObject(it);\n  key = toPrimitive(key, true);\n  if (it === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key)) return;\n  var D = gOPD(it, key);\n  if (D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) D.enumerable = true;\n  return D;\n};\nvar $getOwnPropertyNames = function getOwnPropertyNames(it) {\n  var names = gOPN(toIObject(it));\n  var result = [];\n  var i = 0;\n  var key;\n  while (names.length > i) {\n    if (!has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META) result.push(key);\n  } return result;\n};\nvar $getOwnPropertySymbols = function getOwnPropertySymbols(it) {\n  var IS_OP = it === ObjectProto;\n  var names = gOPN(IS_OP ? OPSymbols : toIObject(it));\n  var result = [];\n  var i = 0;\n  var key;\n  while (names.length > i) {\n    if (has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectProto, key) : true)) result.push(AllSymbols[key]);\n  } return result;\n};\n\n// 19.4.1.1 Symbol([description])\nif (!USE_NATIVE) {\n  $Symbol = function Symbol() {\n    if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor!');\n    var tag = uid(arguments.length > 0 ? arguments[0] : undefined);\n    var $set = function (value) {\n      if (this === ObjectProto) $set.call(OPSymbols, value);\n      if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;\n      setSymbolDesc(this, tag, createDesc(1, value));\n    };\n    if (DESCRIPTORS && setter) setSymbolDesc(ObjectProto, tag, { configurable: true, set: $set });\n    return wrap(tag);\n  };\n  redefine($Symbol[PROTOTYPE], 'toString', function toString() {\n    return this._k;\n  });\n\n  $GOPD.f = $getOwnPropertyDescriptor;\n  $DP.f = $defineProperty;\n  require('./_object-gopn').f = gOPNExt.f = $getOwnPropertyNames;\n  require('./_object-pie').f = $propertyIsEnumerable;\n  require('./_object-gops').f = $getOwnPropertySymbols;\n\n  if (DESCRIPTORS && !require('./_library')) {\n    redefine(ObjectProto, 'propertyIsEnumerable', $propertyIsEnumerable, true);\n  }\n\n  wksExt.f = function (name) {\n    return wrap(wks(name));\n  };\n}\n\n$export($export.G + $export.W + $export.F * !USE_NATIVE, { Symbol: $Symbol });\n\nfor (var es6Symbols = (\n  // 19.4.2.2, 19.4.2.3, 19.4.2.4, 19.4.2.6, 19.4.2.8, 19.4.2.9, 19.4.2.10, 19.4.2.11, 19.4.2.12, 19.4.2.13, 19.4.2.14\n  'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'\n).split(','), j = 0; es6Symbols.length > j;)wks(es6Symbols[j++]);\n\nfor (var wellKnownSymbols = $keys(wks.store), k = 0; wellKnownSymbols.length > k;) wksDefine(wellKnownSymbols[k++]);\n\n$export($export.S + $export.F * !USE_NATIVE, 'Symbol', {\n  // 19.4.2.1 Symbol.for(key)\n  'for': function (key) {\n    return has(SymbolRegistry, key += '')\n      ? SymbolRegistry[key]\n      : SymbolRegistry[key] = $Symbol(key);\n  },\n  // 19.4.2.5 Symbol.keyFor(sym)\n  keyFor: function keyFor(sym) {\n    if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol!');\n    for (var key in SymbolRegistry) if (SymbolRegistry[key] === sym) return key;\n  },\n  useSetter: function () { setter = true; },\n  useSimple: function () { setter = false; }\n});\n\n$export($export.S + $export.F * !USE_NATIVE, 'Object', {\n  // 19.1.2.2 Object.create(O [, Properties])\n  create: $create,\n  // 19.1.2.4 Object.defineProperty(O, P, Attributes)\n  defineProperty: $defineProperty,\n  // 19.1.2.3 Object.defineProperties(O, Properties)\n  defineProperties: $defineProperties,\n  // 19.1.2.6 Object.getOwnPropertyDescriptor(O, P)\n  getOwnPropertyDescriptor: $getOwnPropertyDescriptor,\n  // 19.1.2.7 Object.getOwnPropertyNames(O)\n  getOwnPropertyNames: $getOwnPropertyNames,\n  // 19.1.2.8 Object.getOwnPropertySymbols(O)\n  getOwnPropertySymbols: $getOwnPropertySymbols\n});\n\n// 24.3.2 JSON.stringify(value [, replacer [, space]])\n$JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function () {\n  var S = $Symbol();\n  // MS Edge converts symbol values to JSON as {}\n  // WebKit converts symbol values to JSON as null\n  // V8 throws on boxed symbols\n  return _stringify([S]) != '[null]' || _stringify({ a: S }) != '{}' || _stringify(Object(S)) != '{}';\n})), 'JSON', {\n  stringify: function stringify(it) {\n    if (it === undefined || isSymbol(it)) return; // IE8 returns string on undefined\n    var args = [it];\n    var i = 1;\n    var replacer, $replacer;\n    while (arguments.length > i) args.push(arguments[i++]);\n    replacer = args[1];\n    if (typeof replacer == 'function') $replacer = replacer;\n    if ($replacer || !isArray(replacer)) replacer = function (key, value) {\n      if ($replacer) value = $replacer.call(this, key, value);\n      if (!isSymbol(value)) return value;\n    };\n    args[1] = replacer;\n    return _stringify.apply($JSON, args);\n  }\n});\n\n// 19.4.3.4 Symbol.prototype[@@toPrimitive](hint)\n$Symbol[PROTOTYPE][TO_PRIMITIVE] || require('./_hide')($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);\n// 19.4.3.5 Symbol.prototype[@@toStringTag]\nsetToStringTag($Symbol, 'Symbol');\n// 20.2.1.9 Math[@@toStringTag]\nsetToStringTag(Math, 'Math', true);\n// 24.3.3 JSON[@@toStringTag]\nsetToStringTag(global.JSON, 'JSON', true);\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/es6.symbol.js\n// module id = 160\n// module chunks = 0","require('./_wks-define')('asyncIterator');\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/es7.symbol.async-iterator.js\n// module id = 161\n// module chunks = 0","require('./_wks-define')('observable');\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/es7.symbol.observable.js\n// module id = 162\n// module chunks = 0","require('./es6.array.iterator');\nvar global = require('./_global');\nvar hide = require('./_hide');\nvar Iterators = require('./_iterators');\nvar TO_STRING_TAG = require('./_wks')('toStringTag');\n\nvar DOMIterables = ('CSSRuleList,CSSStyleDeclaration,CSSValueList,ClientRectList,DOMRectList,DOMStringList,' +\n  'DOMTokenList,DataTransferItemList,FileList,HTMLAllCollection,HTMLCollection,HTMLFormElement,HTMLSelectElement,' +\n  'MediaList,MimeTypeArray,NamedNodeMap,NodeList,PaintRequestList,Plugin,PluginArray,SVGLengthList,SVGNumberList,' +\n  'SVGPathSegList,SVGPointList,SVGStringList,SVGTransformList,SourceBufferList,StyleSheetList,TextTrackCueList,' +\n  'TextTrackList,TouchList').split(',');\n\nfor (var i = 0; i < DOMIterables.length; i++) {\n  var NAME = DOMIterables[i];\n  var Collection = global[NAME];\n  var proto = Collection && Collection.prototype;\n  if (proto && !proto[TO_STRING_TAG]) hide(proto, TO_STRING_TAG, NAME);\n  Iterators[NAME] = Iterators.Array;\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-message/~/core-js/library/modules/web.dom.iterable.js\n// module id = 163\n// module chunks = 0","module.exports = { \"default\": require(\"core-js/library/fn/object/define-property\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/babel-runtime/core-js/object/define-property.js\n// module id = 164\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nexports.default = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/babel-runtime/helpers/classCallCheck.js\n// module id = 165\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nvar _defineProperty = require(\"../core-js/object/define-property\");\n\nvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function () {\n  function defineProperties(target, props) {\n    for (var i = 0; i < props.length; i++) {\n      var descriptor = props[i];\n      descriptor.enumerable = descriptor.enumerable || false;\n      descriptor.configurable = true;\n      if (\"value\" in descriptor) descriptor.writable = true;\n      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n    }\n  }\n\n  return function (Constructor, protoProps, staticProps) {\n    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n    if (staticProps) defineProperties(Constructor, staticProps);\n    return Constructor;\n  };\n}();\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/babel-runtime/helpers/createClass.js\n// module id = 166\n// module chunks = 0","require('../../modules/es6.object.define-property');\nvar $Object = require('../../modules/_core').Object;\nmodule.exports = function defineProperty(it, key, desc) {\n  return $Object.defineProperty(it, key, desc);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/fn/object/define-property.js\n// module id = 167\n// module chunks = 0","module.exports = function (it) {\n  if (typeof it != 'function') throw TypeError(it + ' is not a function!');\n  return it;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_a-function.js\n// module id = 168\n// module chunks = 0","var isObject = require('./_is-object');\nmodule.exports = function (it) {\n  if (!isObject(it)) throw TypeError(it + ' is not an object!');\n  return it;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_an-object.js\n// module id = 169\n// module chunks = 0","// optional / simple context binding\nvar aFunction = require('./_a-function');\nmodule.exports = function (fn, that, length) {\n  aFunction(fn);\n  if (that === undefined) return fn;\n  switch (length) {\n    case 1: return function (a) {\n      return fn.call(that, a);\n    };\n    case 2: return function (a, b) {\n      return fn.call(that, a, b);\n    };\n    case 3: return function (a, b, c) {\n      return fn.call(that, a, b, c);\n    };\n  }\n  return function (/* ...args */) {\n    return fn.apply(that, arguments);\n  };\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_ctx.js\n// module id = 170\n// module chunks = 0","var isObject = require('./_is-object');\nvar document = require('./_global').document;\n// typeof document.createElement is 'object' in old IE\nvar is = isObject(document) && isObject(document.createElement);\nmodule.exports = function (it) {\n  return is ? document.createElement(it) : {};\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_dom-create.js\n// module id = 171\n// module chunks = 0","var global = require('./_global');\nvar core = require('./_core');\nvar ctx = require('./_ctx');\nvar hide = require('./_hide');\nvar PROTOTYPE = 'prototype';\n\nvar $export = function (type, name, source) {\n  var IS_FORCED = type & $export.F;\n  var IS_GLOBAL = type & $export.G;\n  var IS_STATIC = type & $export.S;\n  var IS_PROTO = type & $export.P;\n  var IS_BIND = type & $export.B;\n  var IS_WRAP = type & $export.W;\n  var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});\n  var expProto = exports[PROTOTYPE];\n  var target = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE];\n  var key, own, out;\n  if (IS_GLOBAL) source = name;\n  for (key in source) {\n    // contains in native\n    own = !IS_FORCED && target && target[key] !== undefined;\n    if (own && key in exports) continue;\n    // export native or passed\n    out = own ? target[key] : source[key];\n    // prevent global pollution for namespaces\n    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n    // bind timers to global for call from export context\n    : IS_BIND && own ? ctx(out, global)\n    // wrap global constructors for prevent change them in library\n    : IS_WRAP && target[key] == out ? (function (C) {\n      var F = function (a, b, c) {\n        if (this instanceof C) {\n          switch (arguments.length) {\n            case 0: return new C();\n            case 1: return new C(a);\n            case 2: return new C(a, b);\n          } return new C(a, b, c);\n        } return C.apply(this, arguments);\n      };\n      F[PROTOTYPE] = C[PROTOTYPE];\n      return F;\n    // make static versions for prototype methods\n    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n    if (IS_PROTO) {\n      (exports.virtual || (exports.virtual = {}))[key] = out;\n      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n      if (type & $export.R && expProto && !expProto[key]) hide(expProto, key, out);\n    }\n  }\n};\n// type bitmap\n$export.F = 1;   // forced\n$export.G = 2;   // global\n$export.S = 4;   // static\n$export.P = 8;   // proto\n$export.B = 16;  // bind\n$export.W = 32;  // wrap\n$export.U = 64;  // safe\n$export.R = 128; // real proto method for `library`\nmodule.exports = $export;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_export.js\n// module id = 172\n// module chunks = 0","var dP = require('./_object-dp');\nvar createDesc = require('./_property-desc');\nmodule.exports = require('./_descriptors') ? function (object, key, value) {\n  return dP.f(object, key, createDesc(1, value));\n} : function (object, key, value) {\n  object[key] = value;\n  return object;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_hide.js\n// module id = 173\n// module chunks = 0","module.exports = !require('./_descriptors') && !require('./_fails')(function () {\n  return Object.defineProperty(require('./_dom-create')('div'), 'a', { get: function () { return 7; } }).a != 7;\n});\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_ie8-dom-define.js\n// module id = 174\n// module chunks = 0","module.exports = function (bitmap, value) {\n  return {\n    enumerable: !(bitmap & 1),\n    configurable: !(bitmap & 2),\n    writable: !(bitmap & 4),\n    value: value\n  };\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_property-desc.js\n// module id = 175\n// module chunks = 0","// 7.1.1 ToPrimitive(input [, PreferredType])\nvar isObject = require('./_is-object');\n// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n// and the second argument - flag - preferred type is a string\nmodule.exports = function (it, S) {\n  if (!isObject(it)) return it;\n  var fn, val;\n  if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n  if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;\n  if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n  throw TypeError(\"Can't convert object to primitive value\");\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/_to-primitive.js\n// module id = 176\n// module chunks = 0","var $export = require('./_export');\n// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n$export($export.S + $export.F * !require('./_descriptors'), 'Object', { defineProperty: require('./_object-dp').f });\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/core-js/library/modules/es6.object.define-property.js\n// module id = 177\n// module chunks = 0","/**\n * @license\n * Lodash <https://lodash.com/>\n * Copyright JS Foundation and other contributors <https://js.foundation/>\n * Released under MIT license <https://lodash.com/license>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n  var undefined;\n\n  /** Used as the semantic version number. */\n  var VERSION = '4.17.4';\n\n  /** Used as the size to enable large array optimizations. */\n  var LARGE_ARRAY_SIZE = 200;\n\n  /** Error message constants. */\n  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n      FUNC_ERROR_TEXT = 'Expected a function';\n\n  /** Used to stand-in for `undefined` hash values. */\n  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n  /** Used as the maximum memoize cache size. */\n  var MAX_MEMOIZE_SIZE = 500;\n\n  /** Used as the internal argument placeholder. */\n  var PLACEHOLDER = '__lodash_placeholder__';\n\n  /** Used to compose bitmasks for cloning. */\n  var CLONE_DEEP_FLAG = 1,\n      CLONE_FLAT_FLAG = 2,\n      CLONE_SYMBOLS_FLAG = 4;\n\n  /** Used to compose bitmasks for value comparisons. */\n  var COMPARE_PARTIAL_FLAG = 1,\n      COMPARE_UNORDERED_FLAG = 2;\n\n  /** Used to compose bitmasks for function metadata. */\n  var WRAP_BIND_FLAG = 1,\n      WRAP_BIND_KEY_FLAG = 2,\n      WRAP_CURRY_BOUND_FLAG = 4,\n      WRAP_CURRY_FLAG = 8,\n      WRAP_CURRY_RIGHT_FLAG = 16,\n      WRAP_PARTIAL_FLAG = 32,\n      WRAP_PARTIAL_RIGHT_FLAG = 64,\n      WRAP_ARY_FLAG = 128,\n      WRAP_REARG_FLAG = 256,\n      WRAP_FLIP_FLAG = 512;\n\n  /** Used as default options for `_.truncate`. */\n  var DEFAULT_TRUNC_LENGTH = 30,\n      DEFAULT_TRUNC_OMISSION = '...';\n\n  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n  var HOT_COUNT = 800,\n      HOT_SPAN = 16;\n\n  /** Used to indicate the type of lazy iteratees. */\n  var LAZY_FILTER_FLAG = 1,\n      LAZY_MAP_FLAG = 2,\n      LAZY_WHILE_FLAG = 3;\n\n  /** Used as references for various `Number` constants. */\n  var INFINITY = 1 / 0,\n      MAX_SAFE_INTEGER = 9007199254740991,\n      MAX_INTEGER = 1.7976931348623157e+308,\n      NAN = 0 / 0;\n\n  /** Used as references for the maximum length and index of an array. */\n  var MAX_ARRAY_LENGTH = 4294967295,\n      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n  /** Used to associate wrap methods with their bit flags. */\n  var wrapFlags = [\n    ['ary', WRAP_ARY_FLAG],\n    ['bind', WRAP_BIND_FLAG],\n    ['bindKey', WRAP_BIND_KEY_FLAG],\n    ['curry', WRAP_CURRY_FLAG],\n    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n    ['flip', WRAP_FLIP_FLAG],\n    ['partial', WRAP_PARTIAL_FLAG],\n    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n    ['rearg', WRAP_REARG_FLAG]\n  ];\n\n  /** `Object#toString` result references. */\n  var argsTag = '[object Arguments]',\n      arrayTag = '[object Array]',\n      asyncTag = '[object AsyncFunction]',\n      boolTag = '[object Boolean]',\n      dateTag = '[object Date]',\n      domExcTag = '[object DOMException]',\n      errorTag = '[object Error]',\n      funcTag = '[object Function]',\n      genTag = '[object GeneratorFunction]',\n      mapTag = '[object Map]',\n      numberTag = '[object Number]',\n      nullTag = '[object Null]',\n      objectTag = '[object Object]',\n      promiseTag = '[object Promise]',\n      proxyTag = '[object Proxy]',\n      regexpTag = '[object RegExp]',\n      setTag = '[object Set]',\n      stringTag = '[object String]',\n      symbolTag = '[object Symbol]',\n      undefinedTag = '[object Undefined]',\n      weakMapTag = '[object WeakMap]',\n      weakSetTag = '[object WeakSet]';\n\n  var arrayBufferTag = '[object ArrayBuffer]',\n      dataViewTag = '[object DataView]',\n      float32Tag = '[object Float32Array]',\n      float64Tag = '[object Float64Array]',\n      int8Tag = '[object Int8Array]',\n      int16Tag = '[object Int16Array]',\n      int32Tag = '[object Int32Array]',\n      uint8Tag = '[object Uint8Array]',\n      uint8ClampedTag = '[object Uint8ClampedArray]',\n      uint16Tag = '[object Uint16Array]',\n      uint32Tag = '[object Uint32Array]';\n\n  /** Used to match empty string literals in compiled template source. */\n  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n  /** Used to match HTML entities and HTML characters. */\n  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n      reUnescapedHtml = /[&<>\"']/g,\n      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n  /** Used to match template delimiters. */\n  var reEscape = /<%-([\\s\\S]+?)%>/g,\n      reEvaluate = /<%([\\s\\S]+?)%>/g,\n      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n  /** Used to match property names within property paths. */\n  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n      reIsPlainProp = /^\\w*$/,\n      reLeadingDot = /^\\./,\n      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n  /**\n   * Used to match `RegExp`\n   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n   */\n  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n      reHasRegExpChar = RegExp(reRegExpChar.source);\n\n  /** Used to match leading and trailing whitespace. */\n  var reTrim = /^\\s+|\\s+$/g,\n      reTrimStart = /^\\s+/,\n      reTrimEnd = /\\s+$/;\n\n  /** Used to match wrap detail comments. */\n  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n      reSplitDetails = /,? & /;\n\n  /** Used to match words composed of alphanumeric characters. */\n  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n  /** Used to match backslashes in property paths. */\n  var reEscapeChar = /\\\\(\\\\)?/g;\n\n  /**\n   * Used to match\n   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n   */\n  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n  /** Used to match `RegExp` flags from their coerced string values. */\n  var reFlags = /\\w*$/;\n\n  /** Used to detect bad signed hexadecimal string values. */\n  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n  /** Used to detect binary string values. */\n  var reIsBinary = /^0b[01]+$/i;\n\n  /** Used to detect host constructors (Safari). */\n  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n  /** Used to detect octal string values. */\n  var reIsOctal = /^0o[0-7]+$/i;\n\n  /** Used to detect unsigned integer values. */\n  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n  /** Used to ensure capturing order of template delimiters. */\n  var reNoMatch = /($^)/;\n\n  /** Used to match unescaped characters in compiled string literals. */\n  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n  /** Used to compose unicode character classes. */\n  var rsAstralRange = '\\\\ud800-\\\\udfff',\n      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n  /** Used to compose unicode capture groups. */\n  var rsApos = \"['\\u2019]\",\n      rsAstral = '[' + rsAstralRange + ']',\n      rsBreak = '[' + rsBreakRange + ']',\n      rsCombo = '[' + rsComboRange + ']',\n      rsDigits = '\\\\d+',\n      rsDingbat = '[' + rsDingbatRange + ']',\n      rsLower = '[' + rsLowerRange + ']',\n      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n      rsNonAstral = '[^' + rsAstralRange + ']',\n      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n      rsUpper = '[' + rsUpperRange + ']',\n      rsZWJ = '\\\\u200d';\n\n  /** Used to compose unicode regexes. */\n  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n      reOptMod = rsModifier + '?',\n      rsOptVar = '[' + rsVarRange + ']?',\n      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n  /** Used to match apostrophes. */\n  var reApos = RegExp(rsApos, 'g');\n\n  /**\n   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n   */\n  var reComboMark = RegExp(rsCombo, 'g');\n\n  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n  /** Used to match complex or compound words. */\n  var reUnicodeWord = RegExp([\n    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n    rsUpper + '+' + rsOptContrUpper,\n    rsOrdUpper,\n    rsOrdLower,\n    rsDigits,\n    rsEmoji\n  ].join('|'), 'g');\n\n  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\n  /** Used to detect strings that need a more robust regexp to match words. */\n  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n  /** Used to assign default `context` object properties. */\n  var contextProps = [\n    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n  ];\n\n  /** Used to make template sourceURLs easier to identify. */\n  var templateCounter = -1;\n\n  /** Used to identify `toStringTag` values of typed arrays. */\n  var typedArrayTags = {};\n  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n  typedArrayTags[uint32Tag] = true;\n  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n  typedArrayTags[weakMapTag] = false;\n\n  /** Used to identify `toStringTag` values supported by `_.clone`. */\n  var cloneableTags = {};\n  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n  cloneableTags[boolTag] = cloneableTags[dateTag] =\n  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n  cloneableTags[numberTag] = cloneableTags[objectTag] =\n  cloneableTags[regexpTag] = cloneableTags[setTag] =\n  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n  cloneableTags[errorTag] = cloneableTags[funcTag] =\n  cloneableTags[weakMapTag] = false;\n\n  /** Used to map Latin Unicode letters to basic Latin letters. */\n  var deburredLetters = {\n    // Latin-1 Supplement block.\n    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n    '\\xc7': 'C',  '\\xe7': 'c',\n    '\\xd0': 'D',  '\\xf0': 'd',\n    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n    '\\xd1': 'N',  '\\xf1': 'n',\n    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n    '\\xc6': 'Ae', '\\xe6': 'ae',\n    '\\xde': 'Th', '\\xfe': 'th',\n    '\\xdf': 'ss',\n    // Latin Extended-A block.\n    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n    '\\u0134': 'J',  '\\u0135': 'j',\n    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n    '\\u0174': 'W',  '\\u0175': 'w',\n    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n    '\\u0132': 'IJ', '\\u0133': 'ij',\n    '\\u0152': 'Oe', '\\u0153': 'oe',\n    '\\u0149': \"'n\", '\\u017f': 's'\n  };\n\n  /** Used to map characters to HTML entities. */\n  var htmlEscapes = {\n    '&': '&amp;',\n    '<': '&lt;',\n    '>': '&gt;',\n    '\"': '&quot;',\n    \"'\": '&#39;'\n  };\n\n  /** Used to map HTML entities to characters. */\n  var htmlUnescapes = {\n    '&amp;': '&',\n    '&lt;': '<',\n    '&gt;': '>',\n    '&quot;': '\"',\n    '&#39;': \"'\"\n  };\n\n  /** Used to escape characters for inclusion in compiled string literals. */\n  var stringEscapes = {\n    '\\\\': '\\\\',\n    \"'\": \"'\",\n    '\\n': 'n',\n    '\\r': 'r',\n    '\\u2028': 'u2028',\n    '\\u2029': 'u2029'\n  };\n\n  /** Built-in method references without a dependency on `root`. */\n  var freeParseFloat = parseFloat,\n      freeParseInt = parseInt;\n\n  /** Detect free variable `global` from Node.js. */\n  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n  /** Detect free variable `self`. */\n  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n  /** Used as a reference to the global object. */\n  var root = freeGlobal || freeSelf || Function('return this')();\n\n  /** Detect free variable `exports`. */\n  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n  /** Detect free variable `module`. */\n  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n  /** Detect the popular CommonJS extension `module.exports`. */\n  var moduleExports = freeModule && freeModule.exports === freeExports;\n\n  /** Detect free variable `process` from Node.js. */\n  var freeProcess = moduleExports && freeGlobal.process;\n\n  /** Used to access faster Node.js helpers. */\n  var nodeUtil = (function() {\n    try {\n      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n    } catch (e) {}\n  }());\n\n  /* Node.js helper references. */\n  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n      nodeIsDate = nodeUtil && nodeUtil.isDate,\n      nodeIsMap = nodeUtil && nodeUtil.isMap,\n      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n      nodeIsSet = nodeUtil && nodeUtil.isSet,\n      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Adds the key-value `pair` to `map`.\n   *\n   * @private\n   * @param {Object} map The map to modify.\n   * @param {Array} pair The key-value pair to add.\n   * @returns {Object} Returns `map`.\n   */\n  function addMapEntry(map, pair) {\n    // Don't return `map.set` because it's not chainable in IE 11.\n    map.set(pair[0], pair[1]);\n    return map;\n  }\n\n  /**\n   * Adds `value` to `set`.\n   *\n   * @private\n   * @param {Object} set The set to modify.\n   * @param {*} value The value to add.\n   * @returns {Object} Returns `set`.\n   */\n  function addSetEntry(set, value) {\n    // Don't return `set.add` because it's not chainable in IE 11.\n    set.add(value);\n    return set;\n  }\n\n  /**\n   * A faster alternative to `Function#apply`, this function invokes `func`\n   * with the `this` binding of `thisArg` and the arguments of `args`.\n   *\n   * @private\n   * @param {Function} func The function to invoke.\n   * @param {*} thisArg The `this` binding of `func`.\n   * @param {Array} args The arguments to invoke `func` with.\n   * @returns {*} Returns the result of `func`.\n   */\n  function apply(func, thisArg, args) {\n    switch (args.length) {\n      case 0: return func.call(thisArg);\n      case 1: return func.call(thisArg, args[0]);\n      case 2: return func.call(thisArg, args[0], args[1]);\n      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n    }\n    return func.apply(thisArg, args);\n  }\n\n  /**\n   * A specialized version of `baseAggregator` for arrays.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} setter The function to set `accumulator` values.\n   * @param {Function} iteratee The iteratee to transform keys.\n   * @param {Object} accumulator The initial aggregated object.\n   * @returns {Function} Returns `accumulator`.\n   */\n  function arrayAggregator(array, setter, iteratee, accumulator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      var value = array[index];\n      setter(accumulator, value, iteratee(value), array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.forEach` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEach(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (iteratee(array[index], index, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.forEachRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEachRight(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n\n    while (length--) {\n      if (iteratee(array[length], length, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.every` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n   *  else `false`.\n   */\n  function arrayEvery(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (!predicate(array[index], index, array)) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * A specialized version of `_.filter` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {Array} Returns the new filtered array.\n   */\n  function arrayFilter(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (predicate(value, index, array)) {\n        result[resIndex++] = value;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.includes` for arrays without support for\n   * specifying an index to search from.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludes(array, value) {\n    var length = array == null ? 0 : array.length;\n    return !!length && baseIndexOf(array, value, 0) > -1;\n  }\n\n  /**\n   * This function is like `arrayIncludes` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludesWith(array, value, comparator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (comparator(value, array[index])) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * A specialized version of `_.map` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the new mapped array.\n   */\n  function arrayMap(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        result = Array(length);\n\n    while (++index < length) {\n      result[index] = iteratee(array[index], index, array);\n    }\n    return result;\n  }\n\n  /**\n   * Appends the elements of `values` to `array`.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {Array} values The values to append.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayPush(array, values) {\n    var index = -1,\n        length = values.length,\n        offset = array.length;\n\n    while (++index < length) {\n      array[offset + index] = values[index];\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.reduce` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the first element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduce(array, iteratee, accumulator, initAccum) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    if (initAccum && length) {\n      accumulator = array[++index];\n    }\n    while (++index < length) {\n      accumulator = iteratee(accumulator, array[index], index, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.reduceRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the last element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n    var length = array == null ? 0 : array.length;\n    if (initAccum && length) {\n      accumulator = array[--length];\n    }\n    while (length--) {\n      accumulator = iteratee(accumulator, array[length], length, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.some` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if any element passes the predicate check,\n   *  else `false`.\n   */\n  function arraySome(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (predicate(array[index], index, array)) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * Gets the size of an ASCII `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  var asciiSize = baseProperty('length');\n\n  /**\n   * Converts an ASCII `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function asciiToArray(string) {\n    return string.split('');\n  }\n\n  /**\n   * Splits an ASCII `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function asciiWords(string) {\n    return string.match(reAsciiWord) || [];\n  }\n\n  /**\n   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n   * without support for iteratee shorthands, which iterates over `collection`\n   * using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the found element or its key, else `undefined`.\n   */\n  function baseFindKey(collection, predicate, eachFunc) {\n    var result;\n    eachFunc(collection, function(value, key, collection) {\n      if (predicate(value, key, collection)) {\n        result = key;\n        return false;\n      }\n    });\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n   * support for iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {number} fromIndex The index to search from.\n   * @param {boolean} [fromRight] Specify iterating from right to left.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n    var length = array.length,\n        index = fromIndex + (fromRight ? 1 : -1);\n\n    while ((fromRight ? index-- : ++index < length)) {\n      if (predicate(array[index], index, array)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOf(array, value, fromIndex) {\n    return value === value\n      ? strictIndexOf(array, value, fromIndex)\n      : baseFindIndex(array, baseIsNaN, fromIndex);\n  }\n\n  /**\n   * This function is like `baseIndexOf` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOfWith(array, value, fromIndex, comparator) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (comparator(array[index], value)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.isNaN` without support for number objects.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n   */\n  function baseIsNaN(value) {\n    return value !== value;\n  }\n\n  /**\n   * The base implementation of `_.mean` and `_.meanBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the mean.\n   */\n  function baseMean(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n    return length ? (baseSum(array, iteratee) / length) : NAN;\n  }\n\n  /**\n   * The base implementation of `_.property` without support for deep paths.\n   *\n   * @private\n   * @param {string} key The key of the property to get.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function baseProperty(key) {\n    return function(object) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.propertyOf` without support for deep paths.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function basePropertyOf(object) {\n    return function(key) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} accumulator The initial value.\n   * @param {boolean} initAccum Specify using the first or last element of\n   *  `collection` as the initial value.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the accumulated value.\n   */\n  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n    eachFunc(collection, function(value, index, collection) {\n      accumulator = initAccum\n        ? (initAccum = false, value)\n        : iteratee(accumulator, value, index, collection);\n    });\n    return accumulator;\n  }\n\n  /**\n   * The base implementation of `_.sortBy` which uses `comparer` to define the\n   * sort order of `array` and replaces criteria objects with their corresponding\n   * values.\n   *\n   * @private\n   * @param {Array} array The array to sort.\n   * @param {Function} comparer The function to define sort order.\n   * @returns {Array} Returns `array`.\n   */\n  function baseSortBy(array, comparer) {\n    var length = array.length;\n\n    array.sort(comparer);\n    while (length--) {\n      array[length] = array[length].value;\n    }\n    return array;\n  }\n\n  /**\n   * The base implementation of `_.sum` and `_.sumBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the sum.\n   */\n  function baseSum(array, iteratee) {\n    var result,\n        index = -1,\n        length = array.length;\n\n    while (++index < length) {\n      var current = iteratee(array[index]);\n      if (current !== undefined) {\n        result = result === undefined ? current : (result + current);\n      }\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.times` without support for iteratee shorthands\n   * or max array length checks.\n   *\n   * @private\n   * @param {number} n The number of times to invoke `iteratee`.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the array of results.\n   */\n  function baseTimes(n, iteratee) {\n    var index = -1,\n        result = Array(n);\n\n    while (++index < n) {\n      result[index] = iteratee(index);\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n   * of key-value pairs for `object` corresponding to the property names of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the key-value pairs.\n   */\n  function baseToPairs(object, props) {\n    return arrayMap(props, function(key) {\n      return [key, object[key]];\n    });\n  }\n\n  /**\n   * The base implementation of `_.unary` without support for storing metadata.\n   *\n   * @private\n   * @param {Function} func The function to cap arguments for.\n   * @returns {Function} Returns the new capped function.\n   */\n  function baseUnary(func) {\n    return function(value) {\n      return func(value);\n    };\n  }\n\n  /**\n   * The base implementation of `_.values` and `_.valuesIn` which creates an\n   * array of `object` property values corresponding to the property names\n   * of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the array of property values.\n   */\n  function baseValues(object, props) {\n    return arrayMap(props, function(key) {\n      return object[key];\n    });\n  }\n\n  /**\n   * Checks if a `cache` value for `key` exists.\n   *\n   * @private\n   * @param {Object} cache The cache to query.\n   * @param {string} key The key of the entry to check.\n   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n   */\n  function cacheHas(cache, key) {\n    return cache.has(key);\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the first unmatched string symbol.\n   */\n  function charsStartIndex(strSymbols, chrSymbols) {\n    var index = -1,\n        length = strSymbols.length;\n\n    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the last unmatched string symbol.\n   */\n  function charsEndIndex(strSymbols, chrSymbols) {\n    var index = strSymbols.length;\n\n    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Gets the number of `placeholder` occurrences in `array`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} placeholder The placeholder to search for.\n   * @returns {number} Returns the placeholder count.\n   */\n  function countHolders(array, placeholder) {\n    var length = array.length,\n        result = 0;\n\n    while (length--) {\n      if (array[length] === placeholder) {\n        ++result;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n   * letters to basic Latin letters.\n   *\n   * @private\n   * @param {string} letter The matched letter to deburr.\n   * @returns {string} Returns the deburred letter.\n   */\n  var deburrLetter = basePropertyOf(deburredLetters);\n\n  /**\n   * Used by `_.escape` to convert characters to HTML entities.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n  /**\n   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  function escapeStringChar(chr) {\n    return '\\\\' + stringEscapes[chr];\n  }\n\n  /**\n   * Gets the value at `key` of `object`.\n   *\n   * @private\n   * @param {Object} [object] The object to query.\n   * @param {string} key The key of the property to get.\n   * @returns {*} Returns the property value.\n   */\n  function getValue(object, key) {\n    return object == null ? undefined : object[key];\n  }\n\n  /**\n   * Checks if `string` contains Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n   */\n  function hasUnicode(string) {\n    return reHasUnicode.test(string);\n  }\n\n  /**\n   * Checks if `string` contains a word composed of Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a word is found, else `false`.\n   */\n  function hasUnicodeWord(string) {\n    return reHasUnicodeWord.test(string);\n  }\n\n  /**\n   * Converts `iterator` to an array.\n   *\n   * @private\n   * @param {Object} iterator The iterator to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function iteratorToArray(iterator) {\n    var data,\n        result = [];\n\n    while (!(data = iterator.next()).done) {\n      result.push(data.value);\n    }\n    return result;\n  }\n\n  /**\n   * Converts `map` to its key-value pairs.\n   *\n   * @private\n   * @param {Object} map The map to convert.\n   * @returns {Array} Returns the key-value pairs.\n   */\n  function mapToArray(map) {\n    var index = -1,\n        result = Array(map.size);\n\n    map.forEach(function(value, key) {\n      result[++index] = [key, value];\n    });\n    return result;\n  }\n\n  /**\n   * Creates a unary function that invokes `func` with its argument transformed.\n   *\n   * @private\n   * @param {Function} func The function to wrap.\n   * @param {Function} transform The argument transform.\n   * @returns {Function} Returns the new function.\n   */\n  function overArg(func, transform) {\n    return function(arg) {\n      return func(transform(arg));\n    };\n  }\n\n  /**\n   * Replaces all `placeholder` elements in `array` with an internal placeholder\n   * and returns an array of their indexes.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {*} placeholder The placeholder to replace.\n   * @returns {Array} Returns the new array of placeholder indexes.\n   */\n  function replaceHolders(array, placeholder) {\n    var index = -1,\n        length = array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (value === placeholder || value === PLACEHOLDER) {\n        array[index] = PLACEHOLDER;\n        result[resIndex++] = index;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Converts `set` to an array of its values.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the values.\n   */\n  function setToArray(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = value;\n    });\n    return result;\n  }\n\n  /**\n   * Converts `set` to its value-value pairs.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the value-value pairs.\n   */\n  function setToPairs(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = [value, value];\n    });\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.indexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictIndexOf(array, value, fromIndex) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * A specialized version of `_.lastIndexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictLastIndexOf(array, value, fromIndex) {\n    var index = fromIndex + 1;\n    while (index--) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return index;\n  }\n\n  /**\n   * Gets the number of symbols in `string`.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {number} Returns the string size.\n   */\n  function stringSize(string) {\n    return hasUnicode(string)\n      ? unicodeSize(string)\n      : asciiSize(string);\n  }\n\n  /**\n   * Converts `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function stringToArray(string) {\n    return hasUnicode(string)\n      ? unicodeToArray(string)\n      : asciiToArray(string);\n  }\n\n  /**\n   * Used by `_.unescape` to convert HTML entities to characters.\n   *\n   * @private\n   * @param {string} chr The matched character to unescape.\n   * @returns {string} Returns the unescaped character.\n   */\n  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n  /**\n   * Gets the size of a Unicode `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  function unicodeSize(string) {\n    var result = reUnicode.lastIndex = 0;\n    while (reUnicode.test(string)) {\n      ++result;\n    }\n    return result;\n  }\n\n  /**\n   * Converts a Unicode `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function unicodeToArray(string) {\n    return string.match(reUnicode) || [];\n  }\n\n  /**\n   * Splits a Unicode `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function unicodeWords(string) {\n    return string.match(reUnicodeWord) || [];\n  }\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Create a new pristine `lodash` function using the `context` object.\n   *\n   * @static\n   * @memberOf _\n   * @since 1.1.0\n   * @category Util\n   * @param {Object} [context=root] The context object.\n   * @returns {Function} Returns a new `lodash` function.\n   * @example\n   *\n   * _.mixin({ 'foo': _.constant('foo') });\n   *\n   * var lodash = _.runInContext();\n   * lodash.mixin({ 'bar': lodash.constant('bar') });\n   *\n   * _.isFunction(_.foo);\n   * // => true\n   * _.isFunction(_.bar);\n   * // => false\n   *\n   * lodash.isFunction(lodash.foo);\n   * // => false\n   * lodash.isFunction(lodash.bar);\n   * // => true\n   *\n   * // Create a suped-up `defer` in Node.js.\n   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n   */\n  var runInContext = (function runInContext(context) {\n    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n    /** Built-in constructor references. */\n    var Array = context.Array,\n        Date = context.Date,\n        Error = context.Error,\n        Function = context.Function,\n        Math = context.Math,\n        Object = context.Object,\n        RegExp = context.RegExp,\n        String = context.String,\n        TypeError = context.TypeError;\n\n    /** Used for built-in method references. */\n    var arrayProto = Array.prototype,\n        funcProto = Function.prototype,\n        objectProto = Object.prototype;\n\n    /** Used to detect overreaching core-js shims. */\n    var coreJsData = context['__core-js_shared__'];\n\n    /** Used to resolve the decompiled source of functions. */\n    var funcToString = funcProto.toString;\n\n    /** Used to check objects for own properties. */\n    var hasOwnProperty = objectProto.hasOwnProperty;\n\n    /** Used to generate unique IDs. */\n    var idCounter = 0;\n\n    /** Used to detect methods masquerading as native. */\n    var maskSrcKey = (function() {\n      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n      return uid ? ('Symbol(src)_1.' + uid) : '';\n    }());\n\n    /**\n     * Used to resolve the\n     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n     * of values.\n     */\n    var nativeObjectToString = objectProto.toString;\n\n    /** Used to infer the `Object` constructor. */\n    var objectCtorString = funcToString.call(Object);\n\n    /** Used to restore the original `_` reference in `_.noConflict`. */\n    var oldDash = root._;\n\n    /** Used to detect if a method is native. */\n    var reIsNative = RegExp('^' +\n      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n    );\n\n    /** Built-in value references. */\n    var Buffer = moduleExports ? context.Buffer : undefined,\n        Symbol = context.Symbol,\n        Uint8Array = context.Uint8Array,\n        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n        getPrototype = overArg(Object.getPrototypeOf, Object),\n        objectCreate = Object.create,\n        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n        splice = arrayProto.splice,\n        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n        symIterator = Symbol ? Symbol.iterator : undefined,\n        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n    var defineProperty = (function() {\n      try {\n        var func = getNative(Object, 'defineProperty');\n        func({}, '', {});\n        return func;\n      } catch (e) {}\n    }());\n\n    /** Mocked built-ins. */\n    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n    /* Built-in method references for those with the same name as other `lodash` methods. */\n    var nativeCeil = Math.ceil,\n        nativeFloor = Math.floor,\n        nativeGetSymbols = Object.getOwnPropertySymbols,\n        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n        nativeIsFinite = context.isFinite,\n        nativeJoin = arrayProto.join,\n        nativeKeys = overArg(Object.keys, Object),\n        nativeMax = Math.max,\n        nativeMin = Math.min,\n        nativeNow = Date.now,\n        nativeParseInt = context.parseInt,\n        nativeRandom = Math.random,\n        nativeReverse = arrayProto.reverse;\n\n    /* Built-in method references that are verified to be native. */\n    var DataView = getNative(context, 'DataView'),\n        Map = getNative(context, 'Map'),\n        Promise = getNative(context, 'Promise'),\n        Set = getNative(context, 'Set'),\n        WeakMap = getNative(context, 'WeakMap'),\n        nativeCreate = getNative(Object, 'create');\n\n    /** Used to store function metadata. */\n    var metaMap = WeakMap && new WeakMap;\n\n    /** Used to lookup unminified function names. */\n    var realNames = {};\n\n    /** Used to detect maps, sets, and weakmaps. */\n    var dataViewCtorString = toSource(DataView),\n        mapCtorString = toSource(Map),\n        promiseCtorString = toSource(Promise),\n        setCtorString = toSource(Set),\n        weakMapCtorString = toSource(WeakMap);\n\n    /** Used to convert symbols to primitives and strings. */\n    var symbolProto = Symbol ? Symbol.prototype : undefined,\n        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` object which wraps `value` to enable implicit method\n     * chain sequences. Methods that operate on and return arrays, collections,\n     * and functions can be chained together. Methods that retrieve a single value\n     * or may return a primitive value will automatically end the chain sequence\n     * and return the unwrapped value. Otherwise, the value must be unwrapped\n     * with `_#value`.\n     *\n     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n     * enabled using `_.chain`.\n     *\n     * The execution of chained methods is lazy, that is, it's deferred until\n     * `_#value` is implicitly or explicitly called.\n     *\n     * Lazy evaluation allows several methods to support shortcut fusion.\n     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n     * the creation of intermediate arrays and can greatly reduce the number of\n     * iteratee executions. Sections of a chain sequence qualify for shortcut\n     * fusion if the section is applied to an array and iteratees accept only\n     * one argument. The heuristic for whether a section qualifies for shortcut\n     * fusion is subject to change.\n     *\n     * Chaining is supported in custom builds as long as the `_#value` method is\n     * directly or indirectly included in the build.\n     *\n     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n     *\n     * The wrapper `Array` methods are:\n     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n     *\n     * The wrapper `String` methods are:\n     * `replace` and `split`\n     *\n     * The wrapper methods that support shortcut fusion are:\n     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n     *\n     * The chainable wrapper methods are:\n     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n     * `zipObject`, `zipObjectDeep`, and `zipWith`\n     *\n     * The wrapper methods that are **not** chainable by default are:\n     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n     * `upperFirst`, `value`, and `words`\n     *\n     * @name _\n     * @constructor\n     * @category Seq\n     * @param {*} value The value to wrap in a `lodash` instance.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2, 3]);\n     *\n     * // Returns an unwrapped value.\n     * wrapped.reduce(_.add);\n     * // => 6\n     *\n     * // Returns a wrapped value.\n     * var squares = wrapped.map(square);\n     *\n     * _.isArray(squares);\n     * // => false\n     *\n     * _.isArray(squares.value());\n     * // => true\n     */\n    function lodash(value) {\n      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n        if (value instanceof LodashWrapper) {\n          return value;\n        }\n        if (hasOwnProperty.call(value, '__wrapped__')) {\n          return wrapperClone(value);\n        }\n      }\n      return new LodashWrapper(value);\n    }\n\n    /**\n     * The base implementation of `_.create` without support for assigning\n     * properties to the created object.\n     *\n     * @private\n     * @param {Object} proto The object to inherit from.\n     * @returns {Object} Returns the new object.\n     */\n    var baseCreate = (function() {\n      function object() {}\n      return function(proto) {\n        if (!isObject(proto)) {\n          return {};\n        }\n        if (objectCreate) {\n          return objectCreate(proto);\n        }\n        object.prototype = proto;\n        var result = new object;\n        object.prototype = undefined;\n        return result;\n      };\n    }());\n\n    /**\n     * The function whose prototype chain sequence wrappers inherit from.\n     *\n     * @private\n     */\n    function baseLodash() {\n      // No operation performed.\n    }\n\n    /**\n     * The base constructor for creating `lodash` wrapper objects.\n     *\n     * @private\n     * @param {*} value The value to wrap.\n     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n     */\n    function LodashWrapper(value, chainAll) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__chain__ = !!chainAll;\n      this.__index__ = 0;\n      this.__values__ = undefined;\n    }\n\n    /**\n     * By default, the template delimiters used by lodash are like those in\n     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n     * following template settings to use alternative delimiters.\n     *\n     * @static\n     * @memberOf _\n     * @type {Object}\n     */\n    lodash.templateSettings = {\n\n      /**\n       * Used to detect `data` property values to be HTML-escaped.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'escape': reEscape,\n\n      /**\n       * Used to detect code to be evaluated.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'evaluate': reEvaluate,\n\n      /**\n       * Used to detect `data` property values to inject.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'interpolate': reInterpolate,\n\n      /**\n       * Used to reference the data object in the template text.\n       *\n       * @memberOf _.templateSettings\n       * @type {string}\n       */\n      'variable': '',\n\n      /**\n       * Used to import variables into the compiled template.\n       *\n       * @memberOf _.templateSettings\n       * @type {Object}\n       */\n      'imports': {\n\n        /**\n         * A reference to the `lodash` function.\n         *\n         * @memberOf _.templateSettings.imports\n         * @type {Function}\n         */\n        '_': lodash\n      }\n    };\n\n    // Ensure wrappers are instances of `baseLodash`.\n    lodash.prototype = baseLodash.prototype;\n    lodash.prototype.constructor = lodash;\n\n    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n    LodashWrapper.prototype.constructor = LodashWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n     *\n     * @private\n     * @constructor\n     * @param {*} value The value to wrap.\n     */\n    function LazyWrapper(value) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__dir__ = 1;\n      this.__filtered__ = false;\n      this.__iteratees__ = [];\n      this.__takeCount__ = MAX_ARRAY_LENGTH;\n      this.__views__ = [];\n    }\n\n    /**\n     * Creates a clone of the lazy wrapper object.\n     *\n     * @private\n     * @name clone\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the cloned `LazyWrapper` object.\n     */\n    function lazyClone() {\n      var result = new LazyWrapper(this.__wrapped__);\n      result.__actions__ = copyArray(this.__actions__);\n      result.__dir__ = this.__dir__;\n      result.__filtered__ = this.__filtered__;\n      result.__iteratees__ = copyArray(this.__iteratees__);\n      result.__takeCount__ = this.__takeCount__;\n      result.__views__ = copyArray(this.__views__);\n      return result;\n    }\n\n    /**\n     * Reverses the direction of lazy iteration.\n     *\n     * @private\n     * @name reverse\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n     */\n    function lazyReverse() {\n      if (this.__filtered__) {\n        var result = new LazyWrapper(this);\n        result.__dir__ = -1;\n        result.__filtered__ = true;\n      } else {\n        result = this.clone();\n        result.__dir__ *= -1;\n      }\n      return result;\n    }\n\n    /**\n     * Extracts the unwrapped value from its lazy wrapper.\n     *\n     * @private\n     * @name value\n     * @memberOf LazyWrapper\n     * @returns {*} Returns the unwrapped value.\n     */\n    function lazyValue() {\n      var array = this.__wrapped__.value(),\n          dir = this.__dir__,\n          isArr = isArray(array),\n          isRight = dir < 0,\n          arrLength = isArr ? array.length : 0,\n          view = getView(0, arrLength, this.__views__),\n          start = view.start,\n          end = view.end,\n          length = end - start,\n          index = isRight ? end : (start - 1),\n          iteratees = this.__iteratees__,\n          iterLength = iteratees.length,\n          resIndex = 0,\n          takeCount = nativeMin(length, this.__takeCount__);\n\n      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n        return baseWrapperValue(array, this.__actions__);\n      }\n      var result = [];\n\n      outer:\n      while (length-- && resIndex < takeCount) {\n        index += dir;\n\n        var iterIndex = -1,\n            value = array[index];\n\n        while (++iterIndex < iterLength) {\n          var data = iteratees[iterIndex],\n              iteratee = data.iteratee,\n              type = data.type,\n              computed = iteratee(value);\n\n          if (type == LAZY_MAP_FLAG) {\n            value = computed;\n          } else if (!computed) {\n            if (type == LAZY_FILTER_FLAG) {\n              continue outer;\n            } else {\n              break outer;\n            }\n          }\n        }\n        result[resIndex++] = value;\n      }\n      return result;\n    }\n\n    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n    LazyWrapper.prototype.constructor = LazyWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a hash object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Hash(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the hash.\n     *\n     * @private\n     * @name clear\n     * @memberOf Hash\n     */\n    function hashClear() {\n      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the hash.\n     *\n     * @private\n     * @name delete\n     * @memberOf Hash\n     * @param {Object} hash The hash to modify.\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function hashDelete(key) {\n      var result = this.has(key) && delete this.__data__[key];\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the hash value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Hash\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function hashGet(key) {\n      var data = this.__data__;\n      if (nativeCreate) {\n        var result = data[key];\n        return result === HASH_UNDEFINED ? undefined : result;\n      }\n      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n    }\n\n    /**\n     * Checks if a hash value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Hash\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function hashHas(key) {\n      var data = this.__data__;\n      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n    }\n\n    /**\n     * Sets the hash `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Hash\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the hash instance.\n     */\n    function hashSet(key, value) {\n      var data = this.__data__;\n      this.size += this.has(key) ? 0 : 1;\n      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n      return this;\n    }\n\n    // Add methods to `Hash`.\n    Hash.prototype.clear = hashClear;\n    Hash.prototype['delete'] = hashDelete;\n    Hash.prototype.get = hashGet;\n    Hash.prototype.has = hashHas;\n    Hash.prototype.set = hashSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an list cache object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function ListCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the list cache.\n     *\n     * @private\n     * @name clear\n     * @memberOf ListCache\n     */\n    function listCacheClear() {\n      this.__data__ = [];\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the list cache.\n     *\n     * @private\n     * @name delete\n     * @memberOf ListCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function listCacheDelete(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        return false;\n      }\n      var lastIndex = data.length - 1;\n      if (index == lastIndex) {\n        data.pop();\n      } else {\n        splice.call(data, index, 1);\n      }\n      --this.size;\n      return true;\n    }\n\n    /**\n     * Gets the list cache value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf ListCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function listCacheGet(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      return index < 0 ? undefined : data[index][1];\n    }\n\n    /**\n     * Checks if a list cache value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf ListCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function listCacheHas(key) {\n      return assocIndexOf(this.__data__, key) > -1;\n    }\n\n    /**\n     * Sets the list cache `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf ListCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the list cache instance.\n     */\n    function listCacheSet(key, value) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        ++this.size;\n        data.push([key, value]);\n      } else {\n        data[index][1] = value;\n      }\n      return this;\n    }\n\n    // Add methods to `ListCache`.\n    ListCache.prototype.clear = listCacheClear;\n    ListCache.prototype['delete'] = listCacheDelete;\n    ListCache.prototype.get = listCacheGet;\n    ListCache.prototype.has = listCacheHas;\n    ListCache.prototype.set = listCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a map cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function MapCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the map.\n     *\n     * @private\n     * @name clear\n     * @memberOf MapCache\n     */\n    function mapCacheClear() {\n      this.size = 0;\n      this.__data__ = {\n        'hash': new Hash,\n        'map': new (Map || ListCache),\n        'string': new Hash\n      };\n    }\n\n    /**\n     * Removes `key` and its value from the map.\n     *\n     * @private\n     * @name delete\n     * @memberOf MapCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function mapCacheDelete(key) {\n      var result = getMapData(this, key)['delete'](key);\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the map value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf MapCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function mapCacheGet(key) {\n      return getMapData(this, key).get(key);\n    }\n\n    /**\n     * Checks if a map value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf MapCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function mapCacheHas(key) {\n      return getMapData(this, key).has(key);\n    }\n\n    /**\n     * Sets the map `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf MapCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the map cache instance.\n     */\n    function mapCacheSet(key, value) {\n      var data = getMapData(this, key),\n          size = data.size;\n\n      data.set(key, value);\n      this.size += data.size == size ? 0 : 1;\n      return this;\n    }\n\n    // Add methods to `MapCache`.\n    MapCache.prototype.clear = mapCacheClear;\n    MapCache.prototype['delete'] = mapCacheDelete;\n    MapCache.prototype.get = mapCacheGet;\n    MapCache.prototype.has = mapCacheHas;\n    MapCache.prototype.set = mapCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     *\n     * Creates an array cache object to store unique values.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [values] The values to cache.\n     */\n    function SetCache(values) {\n      var index = -1,\n          length = values == null ? 0 : values.length;\n\n      this.__data__ = new MapCache;\n      while (++index < length) {\n        this.add(values[index]);\n      }\n    }\n\n    /**\n     * Adds `value` to the array cache.\n     *\n     * @private\n     * @name add\n     * @memberOf SetCache\n     * @alias push\n     * @param {*} value The value to cache.\n     * @returns {Object} Returns the cache instance.\n     */\n    function setCacheAdd(value) {\n      this.__data__.set(value, HASH_UNDEFINED);\n      return this;\n    }\n\n    /**\n     * Checks if `value` is in the array cache.\n     *\n     * @private\n     * @name has\n     * @memberOf SetCache\n     * @param {*} value The value to search for.\n     * @returns {number} Returns `true` if `value` is found, else `false`.\n     */\n    function setCacheHas(value) {\n      return this.__data__.has(value);\n    }\n\n    // Add methods to `SetCache`.\n    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n    SetCache.prototype.has = setCacheHas;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a stack cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Stack(entries) {\n      var data = this.__data__ = new ListCache(entries);\n      this.size = data.size;\n    }\n\n    /**\n     * Removes all key-value entries from the stack.\n     *\n     * @private\n     * @name clear\n     * @memberOf Stack\n     */\n    function stackClear() {\n      this.__data__ = new ListCache;\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the stack.\n     *\n     * @private\n     * @name delete\n     * @memberOf Stack\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function stackDelete(key) {\n      var data = this.__data__,\n          result = data['delete'](key);\n\n      this.size = data.size;\n      return result;\n    }\n\n    /**\n     * Gets the stack value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Stack\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function stackGet(key) {\n      return this.__data__.get(key);\n    }\n\n    /**\n     * Checks if a stack value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Stack\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function stackHas(key) {\n      return this.__data__.has(key);\n    }\n\n    /**\n     * Sets the stack `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Stack\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the stack cache instance.\n     */\n    function stackSet(key, value) {\n      var data = this.__data__;\n      if (data instanceof ListCache) {\n        var pairs = data.__data__;\n        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n          pairs.push([key, value]);\n          this.size = ++data.size;\n          return this;\n        }\n        data = this.__data__ = new MapCache(pairs);\n      }\n      data.set(key, value);\n      this.size = data.size;\n      return this;\n    }\n\n    // Add methods to `Stack`.\n    Stack.prototype.clear = stackClear;\n    Stack.prototype['delete'] = stackDelete;\n    Stack.prototype.get = stackGet;\n    Stack.prototype.has = stackHas;\n    Stack.prototype.set = stackSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of the enumerable property names of the array-like `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @param {boolean} inherited Specify returning inherited property names.\n     * @returns {Array} Returns the array of property names.\n     */\n    function arrayLikeKeys(value, inherited) {\n      var isArr = isArray(value),\n          isArg = !isArr && isArguments(value),\n          isBuff = !isArr && !isArg && isBuffer(value),\n          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n          skipIndexes = isArr || isArg || isBuff || isType,\n          result = skipIndexes ? baseTimes(value.length, String) : [],\n          length = result.length;\n\n      for (var key in value) {\n        if ((inherited || hasOwnProperty.call(value, key)) &&\n            !(skipIndexes && (\n               // Safari 9 has enumerable `arguments.length` in strict mode.\n               key == 'length' ||\n               // Node.js 0.10 has enumerable non-index properties on buffers.\n               (isBuff && (key == 'offset' || key == 'parent')) ||\n               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n               // Skip index properties.\n               isIndex(key, length)\n            ))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `_.sample` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @returns {*} Returns the random element.\n     */\n    function arraySample(array) {\n      var length = array.length;\n      return length ? array[baseRandom(0, length - 1)] : undefined;\n    }\n\n    /**\n     * A specialized version of `_.sampleSize` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function arraySampleSize(array, n) {\n      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * A specialized version of `_.shuffle` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function arrayShuffle(array) {\n      return shuffleSelf(copyArray(array));\n    }\n\n    /**\n     * This function is like `assignValue` except that it doesn't assign\n     * `undefined` values.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignMergeValue(object, key, value) {\n      if ((value !== undefined && !eq(object[key], value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignValue(object, key, value) {\n      var objValue = object[key];\n      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Gets the index at which the `key` is found in `array` of key-value pairs.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {*} key The key to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     */\n    function assocIndexOf(array, key) {\n      var length = array.length;\n      while (length--) {\n        if (eq(array[length][0], key)) {\n          return length;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * Aggregates elements of `collection` on `accumulator` with keys transformed\n     * by `iteratee` and values set by `setter`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform keys.\n     * @param {Object} accumulator The initial aggregated object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseAggregator(collection, setter, iteratee, accumulator) {\n      baseEach(collection, function(value, key, collection) {\n        setter(accumulator, value, iteratee(value), collection);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.assign` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssign(object, source) {\n      return object && copyObject(source, keys(source), object);\n    }\n\n    /**\n     * The base implementation of `_.assignIn` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssignIn(object, source) {\n      return object && copyObject(source, keysIn(source), object);\n    }\n\n    /**\n     * The base implementation of `assignValue` and `assignMergeValue` without\n     * value checks.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function baseAssignValue(object, key, value) {\n      if (key == '__proto__' && defineProperty) {\n        defineProperty(object, key, {\n          'configurable': true,\n          'enumerable': true,\n          'value': value,\n          'writable': true\n        });\n      } else {\n        object[key] = value;\n      }\n    }\n\n    /**\n     * The base implementation of `_.at` without support for individual paths.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Array} Returns the picked elements.\n     */\n    function baseAt(object, paths) {\n      var index = -1,\n          length = paths.length,\n          result = Array(length),\n          skip = object == null;\n\n      while (++index < length) {\n        result[index] = skip ? undefined : get(object, paths[index]);\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.clamp` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     */\n    function baseClamp(number, lower, upper) {\n      if (number === number) {\n        if (upper !== undefined) {\n          number = number <= upper ? number : upper;\n        }\n        if (lower !== undefined) {\n          number = number >= lower ? number : lower;\n        }\n      }\n      return number;\n    }\n\n    /**\n     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n     * traversed objects.\n     *\n     * @private\n     * @param {*} value The value to clone.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Deep clone\n     *  2 - Flatten inherited properties\n     *  4 - Clone symbols\n     * @param {Function} [customizer] The function to customize cloning.\n     * @param {string} [key] The key of `value`.\n     * @param {Object} [object] The parent object of `value`.\n     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n     * @returns {*} Returns the cloned value.\n     */\n    function baseClone(value, bitmask, customizer, key, object, stack) {\n      var result,\n          isDeep = bitmask & CLONE_DEEP_FLAG,\n          isFlat = bitmask & CLONE_FLAT_FLAG,\n          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n      if (customizer) {\n        result = object ? customizer(value, key, object, stack) : customizer(value);\n      }\n      if (result !== undefined) {\n        return result;\n      }\n      if (!isObject(value)) {\n        return value;\n      }\n      var isArr = isArray(value);\n      if (isArr) {\n        result = initCloneArray(value);\n        if (!isDeep) {\n          return copyArray(value, result);\n        }\n      } else {\n        var tag = getTag(value),\n            isFunc = tag == funcTag || tag == genTag;\n\n        if (isBuffer(value)) {\n          return cloneBuffer(value, isDeep);\n        }\n        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n          if (!isDeep) {\n            return isFlat\n              ? copySymbolsIn(value, baseAssignIn(result, value))\n              : copySymbols(value, baseAssign(result, value));\n          }\n        } else {\n          if (!cloneableTags[tag]) {\n            return object ? value : {};\n          }\n          result = initCloneByTag(value, tag, baseClone, isDeep);\n        }\n      }\n      // Check for circular references and return its corresponding clone.\n      stack || (stack = new Stack);\n      var stacked = stack.get(value);\n      if (stacked) {\n        return stacked;\n      }\n      stack.set(value, result);\n\n      var keysFunc = isFull\n        ? (isFlat ? getAllKeysIn : getAllKeys)\n        : (isFlat ? keysIn : keys);\n\n      var props = isArr ? undefined : keysFunc(value);\n      arrayEach(props || value, function(subValue, key) {\n        if (props) {\n          key = subValue;\n          subValue = value[key];\n        }\n        // Recursively populate clone (susceptible to call stack limits).\n        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.conforms` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseConforms(source) {\n      var props = keys(source);\n      return function(object) {\n        return baseConformsTo(object, source, props);\n      };\n    }\n\n    /**\n     * The base implementation of `_.conformsTo` which accepts `props` to check.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     */\n    function baseConformsTo(object, source, props) {\n      var length = props.length;\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (length--) {\n        var key = props[length],\n            predicate = source[key],\n            value = object[key];\n\n        if ((value === undefined && !(key in object)) || !predicate(value)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n     * to provide to `func`.\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {Array} args The arguments to provide to `func`.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    function baseDelay(func, wait, args) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return setTimeout(function() { func.apply(undefined, args); }, wait);\n    }\n\n    /**\n     * The base implementation of methods like `_.difference` without support\n     * for excluding multiple arrays or iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Array} values The values to exclude.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     */\n    function baseDifference(array, values, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          isCommon = true,\n          length = array.length,\n          result = [],\n          valuesLength = values.length;\n\n      if (!length) {\n        return result;\n      }\n      if (iteratee) {\n        values = arrayMap(values, baseUnary(iteratee));\n      }\n      if (comparator) {\n        includes = arrayIncludesWith;\n        isCommon = false;\n      }\n      else if (values.length >= LARGE_ARRAY_SIZE) {\n        includes = cacheHas;\n        isCommon = false;\n        values = new SetCache(values);\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee == null ? value : iteratee(value);\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var valuesIndex = valuesLength;\n          while (valuesIndex--) {\n            if (values[valuesIndex] === computed) {\n              continue outer;\n            }\n          }\n          result.push(value);\n        }\n        else if (!includes(values, computed, comparator)) {\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.forEach` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEach = createBaseEach(baseForOwn);\n\n    /**\n     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n    /**\n     * The base implementation of `_.every` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`\n     */\n    function baseEvery(collection, predicate) {\n      var result = true;\n      baseEach(collection, function(value, index, collection) {\n        result = !!predicate(value, index, collection);\n        return result;\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of methods like `_.max` and `_.min` which accepts a\n     * `comparator` to determine the extremum value.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The iteratee invoked per iteration.\n     * @param {Function} comparator The comparator used to compare values.\n     * @returns {*} Returns the extremum value.\n     */\n    function baseExtremum(array, iteratee, comparator) {\n      var index = -1,\n          length = array.length;\n\n      while (++index < length) {\n        var value = array[index],\n            current = iteratee(value);\n\n        if (current != null && (computed === undefined\n              ? (current === current && !isSymbol(current))\n              : comparator(current, computed)\n            )) {\n          var computed = current,\n              result = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.fill` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     */\n    function baseFill(array, value, start, end) {\n      var length = array.length;\n\n      start = toInteger(start);\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = (end === undefined || end > length) ? length : toInteger(end);\n      if (end < 0) {\n        end += length;\n      }\n      end = start > end ? 0 : toLength(end);\n      while (start < end) {\n        array[start++] = value;\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.filter` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     */\n    function baseFilter(collection, predicate) {\n      var result = [];\n      baseEach(collection, function(value, index, collection) {\n        if (predicate(value, index, collection)) {\n          result.push(value);\n        }\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.flatten` with support for restricting flattening.\n     *\n     * @private\n     * @param {Array} array The array to flatten.\n     * @param {number} depth The maximum recursion depth.\n     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n     * @param {Array} [result=[]] The initial result value.\n     * @returns {Array} Returns the new flattened array.\n     */\n    function baseFlatten(array, depth, predicate, isStrict, result) {\n      var index = -1,\n          length = array.length;\n\n      predicate || (predicate = isFlattenable);\n      result || (result = []);\n\n      while (++index < length) {\n        var value = array[index];\n        if (depth > 0 && predicate(value)) {\n          if (depth > 1) {\n            // Recursively flatten arrays (susceptible to call stack limits).\n            baseFlatten(value, depth - 1, predicate, isStrict, result);\n          } else {\n            arrayPush(result, value);\n          }\n        } else if (!isStrict) {\n          result[result.length] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `baseForOwn` which iterates over `object`\n     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseFor = createBaseFor();\n\n    /**\n     * This function is like `baseFor` except that it iterates over properties\n     * in the opposite order.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseForRight = createBaseFor(true);\n\n    /**\n     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwn(object, iteratee) {\n      return object && baseFor(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwnRight(object, iteratee) {\n      return object && baseForRight(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.functions` which creates an array of\n     * `object` function property names filtered from `props`.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Array} props The property names to filter.\n     * @returns {Array} Returns the function names.\n     */\n    function baseFunctions(object, props) {\n      return arrayFilter(props, function(key) {\n        return isFunction(object[key]);\n      });\n    }\n\n    /**\n     * The base implementation of `_.get` without support for default values.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseGet(object, path) {\n      path = castPath(path, object);\n\n      var index = 0,\n          length = path.length;\n\n      while (object != null && index < length) {\n        object = object[toKey(path[index++])];\n      }\n      return (index && index == length) ? object : undefined;\n    }\n\n    /**\n     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n      var result = keysFunc(object);\n      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n    }\n\n    /**\n     * The base implementation of `getTag` without fallbacks for buggy environments.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    function baseGetTag(value) {\n      if (value == null) {\n        return value === undefined ? undefinedTag : nullTag;\n      }\n      return (symToStringTag && symToStringTag in Object(value))\n        ? getRawTag(value)\n        : objectToString(value);\n    }\n\n    /**\n     * The base implementation of `_.gt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     */\n    function baseGt(value, other) {\n      return value > other;\n    }\n\n    /**\n     * The base implementation of `_.has` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHas(object, key) {\n      return object != null && hasOwnProperty.call(object, key);\n    }\n\n    /**\n     * The base implementation of `_.hasIn` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHasIn(object, key) {\n      return object != null && key in Object(object);\n    }\n\n    /**\n     * The base implementation of `_.inRange` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to check.\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     */\n    function baseInRange(number, start, end) {\n      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n    }\n\n    /**\n     * The base implementation of methods like `_.intersection`, without support\n     * for iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of shared values.\n     */\n    function baseIntersection(arrays, iteratee, comparator) {\n      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n          length = arrays[0].length,\n          othLength = arrays.length,\n          othIndex = othLength,\n          caches = Array(othLength),\n          maxLength = Infinity,\n          result = [];\n\n      while (othIndex--) {\n        var array = arrays[othIndex];\n        if (othIndex && iteratee) {\n          array = arrayMap(array, baseUnary(iteratee));\n        }\n        maxLength = nativeMin(array.length, maxLength);\n        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n          ? new SetCache(othIndex && array)\n          : undefined;\n      }\n      array = arrays[0];\n\n      var index = -1,\n          seen = caches[0];\n\n      outer:\n      while (++index < length && result.length < maxLength) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (!(seen\n              ? cacheHas(seen, computed)\n              : includes(result, computed, comparator)\n            )) {\n          othIndex = othLength;\n          while (--othIndex) {\n            var cache = caches[othIndex];\n            if (!(cache\n                  ? cacheHas(cache, computed)\n                  : includes(arrays[othIndex], computed, comparator))\n                ) {\n              continue outer;\n            }\n          }\n          if (seen) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.invert` and `_.invertBy` which inverts\n     * `object` with values transformed by `iteratee` and set by `setter`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform values.\n     * @param {Object} accumulator The initial inverted object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseInverter(object, setter, iteratee, accumulator) {\n      baseForOwn(object, function(value, key, object) {\n        setter(accumulator, iteratee(value), key, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.invoke` without support for individual\n     * method arguments.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {Array} args The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     */\n    function baseInvoke(object, path, args) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      var func = object == null ? object : object[toKey(last(path))];\n      return func == null ? undefined : apply(func, object, args);\n    }\n\n    /**\n     * The base implementation of `_.isArguments`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     */\n    function baseIsArguments(value) {\n      return isObjectLike(value) && baseGetTag(value) == argsTag;\n    }\n\n    /**\n     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     */\n    function baseIsArrayBuffer(value) {\n      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n    }\n\n    /**\n     * The base implementation of `_.isDate` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     */\n    function baseIsDate(value) {\n      return isObjectLike(value) && baseGetTag(value) == dateTag;\n    }\n\n    /**\n     * The base implementation of `_.isEqual` which supports partial comparisons\n     * and tracks traversed objects.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Unordered comparison\n     *  2 - Partial comparison\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     */\n    function baseIsEqual(value, other, bitmask, customizer, stack) {\n      if (value === other) {\n        return true;\n      }\n      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n        return value !== value && other !== other;\n      }\n      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n    }\n\n    /**\n     * A specialized version of `baseIsEqual` for arrays and objects which performs\n     * deep comparisons and tracks traversed objects enabling objects with circular\n     * references to be compared.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n      var objIsArr = isArray(object),\n          othIsArr = isArray(other),\n          objTag = objIsArr ? arrayTag : getTag(object),\n          othTag = othIsArr ? arrayTag : getTag(other);\n\n      objTag = objTag == argsTag ? objectTag : objTag;\n      othTag = othTag == argsTag ? objectTag : othTag;\n\n      var objIsObj = objTag == objectTag,\n          othIsObj = othTag == objectTag,\n          isSameTag = objTag == othTag;\n\n      if (isSameTag && isBuffer(object)) {\n        if (!isBuffer(other)) {\n          return false;\n        }\n        objIsArr = true;\n        objIsObj = false;\n      }\n      if (isSameTag && !objIsObj) {\n        stack || (stack = new Stack);\n        return (objIsArr || isTypedArray(object))\n          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n      }\n      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n        if (objIsWrapped || othIsWrapped) {\n          var objUnwrapped = objIsWrapped ? object.value() : object,\n              othUnwrapped = othIsWrapped ? other.value() : other;\n\n          stack || (stack = new Stack);\n          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n        }\n      }\n      if (!isSameTag) {\n        return false;\n      }\n      stack || (stack = new Stack);\n      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n    }\n\n    /**\n     * The base implementation of `_.isMap` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     */\n    function baseIsMap(value) {\n      return isObjectLike(value) && getTag(value) == mapTag;\n    }\n\n    /**\n     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Array} matchData The property names, values, and compare flags to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     */\n    function baseIsMatch(object, source, matchData, customizer) {\n      var index = matchData.length,\n          length = index,\n          noCustomizer = !customizer;\n\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (index--) {\n        var data = matchData[index];\n        if ((noCustomizer && data[2])\n              ? data[1] !== object[data[0]]\n              : !(data[0] in object)\n            ) {\n          return false;\n        }\n      }\n      while (++index < length) {\n        data = matchData[index];\n        var key = data[0],\n            objValue = object[key],\n            srcValue = data[1];\n\n        if (noCustomizer && data[2]) {\n          if (objValue === undefined && !(key in object)) {\n            return false;\n          }\n        } else {\n          var stack = new Stack;\n          if (customizer) {\n            var result = customizer(objValue, srcValue, key, object, source, stack);\n          }\n          if (!(result === undefined\n                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n                : result\n              )) {\n            return false;\n          }\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.isNative` without bad shim checks.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     */\n    function baseIsNative(value) {\n      if (!isObject(value) || isMasked(value)) {\n        return false;\n      }\n      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n      return pattern.test(toSource(value));\n    }\n\n    /**\n     * The base implementation of `_.isRegExp` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     */\n    function baseIsRegExp(value) {\n      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n    }\n\n    /**\n     * The base implementation of `_.isSet` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     */\n    function baseIsSet(value) {\n      return isObjectLike(value) && getTag(value) == setTag;\n    }\n\n    /**\n     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     */\n    function baseIsTypedArray(value) {\n      return isObjectLike(value) &&\n        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n    }\n\n    /**\n     * The base implementation of `_.iteratee`.\n     *\n     * @private\n     * @param {*} [value=_.identity] The value to convert to an iteratee.\n     * @returns {Function} Returns the iteratee.\n     */\n    function baseIteratee(value) {\n      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n      if (typeof value == 'function') {\n        return value;\n      }\n      if (value == null) {\n        return identity;\n      }\n      if (typeof value == 'object') {\n        return isArray(value)\n          ? baseMatchesProperty(value[0], value[1])\n          : baseMatches(value);\n      }\n      return property(value);\n    }\n\n    /**\n     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeys(object) {\n      if (!isPrototype(object)) {\n        return nativeKeys(object);\n      }\n      var result = [];\n      for (var key in Object(object)) {\n        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeysIn(object) {\n      if (!isObject(object)) {\n        return nativeKeysIn(object);\n      }\n      var isProto = isPrototype(object),\n          result = [];\n\n      for (var key in object) {\n        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.lt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     */\n    function baseLt(value, other) {\n      return value < other;\n    }\n\n    /**\n     * The base implementation of `_.map` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     */\n    function baseMap(collection, iteratee) {\n      var index = -1,\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value, key, collection) {\n        result[++index] = iteratee(value, key, collection);\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.matches` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatches(source) {\n      var matchData = getMatchData(source);\n      if (matchData.length == 1 && matchData[0][2]) {\n        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n      }\n      return function(object) {\n        return object === source || baseIsMatch(object, source, matchData);\n      };\n    }\n\n    /**\n     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n     *\n     * @private\n     * @param {string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatchesProperty(path, srcValue) {\n      if (isKey(path) && isStrictComparable(srcValue)) {\n        return matchesStrictComparable(toKey(path), srcValue);\n      }\n      return function(object) {\n        var objValue = get(object, path);\n        return (objValue === undefined && objValue === srcValue)\n          ? hasIn(object, path)\n          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n      };\n    }\n\n    /**\n     * The base implementation of `_.merge` without support for multiple sources.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} [customizer] The function to customize merged values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMerge(object, source, srcIndex, customizer, stack) {\n      if (object === source) {\n        return;\n      }\n      baseFor(source, function(srcValue, key) {\n        if (isObject(srcValue)) {\n          stack || (stack = new Stack);\n          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n        }\n        else {\n          var newValue = customizer\n            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n            : undefined;\n\n          if (newValue === undefined) {\n            newValue = srcValue;\n          }\n          assignMergeValue(object, key, newValue);\n        }\n      }, keysIn);\n    }\n\n    /**\n     * A specialized version of `baseMerge` for arrays and objects which performs\n     * deep merges and tracks traversed objects enabling objects with circular\n     * references to be merged.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {string} key The key of the value to merge.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} mergeFunc The function to merge values.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n      var objValue = object[key],\n          srcValue = source[key],\n          stacked = stack.get(srcValue);\n\n      if (stacked) {\n        assignMergeValue(object, key, stacked);\n        return;\n      }\n      var newValue = customizer\n        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n        : undefined;\n\n      var isCommon = newValue === undefined;\n\n      if (isCommon) {\n        var isArr = isArray(srcValue),\n            isBuff = !isArr && isBuffer(srcValue),\n            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n        newValue = srcValue;\n        if (isArr || isBuff || isTyped) {\n          if (isArray(objValue)) {\n            newValue = objValue;\n          }\n          else if (isArrayLikeObject(objValue)) {\n            newValue = copyArray(objValue);\n          }\n          else if (isBuff) {\n            isCommon = false;\n            newValue = cloneBuffer(srcValue, true);\n          }\n          else if (isTyped) {\n            isCommon = false;\n            newValue = cloneTypedArray(srcValue, true);\n          }\n          else {\n            newValue = [];\n          }\n        }\n        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n          newValue = objValue;\n          if (isArguments(objValue)) {\n            newValue = toPlainObject(objValue);\n          }\n          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n            newValue = initCloneObject(srcValue);\n          }\n        }\n        else {\n          isCommon = false;\n        }\n      }\n      if (isCommon) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, newValue);\n        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n        stack['delete'](srcValue);\n      }\n      assignMergeValue(object, key, newValue);\n    }\n\n    /**\n     * The base implementation of `_.nth` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {number} n The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     */\n    function baseNth(array, n) {\n      var length = array.length;\n      if (!length) {\n        return;\n      }\n      n += n < 0 ? length : 0;\n      return isIndex(n, length) ? array[n] : undefined;\n    }\n\n    /**\n     * The base implementation of `_.orderBy` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n     * @param {string[]} orders The sort orders of `iteratees`.\n     * @returns {Array} Returns the new sorted array.\n     */\n    function baseOrderBy(collection, iteratees, orders) {\n      var index = -1;\n      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\n      var result = baseMap(collection, function(value, key, collection) {\n        var criteria = arrayMap(iteratees, function(iteratee) {\n          return iteratee(value);\n        });\n        return { 'criteria': criteria, 'index': ++index, 'value': value };\n      });\n\n      return baseSortBy(result, function(object, other) {\n        return compareMultiple(object, other, orders);\n      });\n    }\n\n    /**\n     * The base implementation of `_.pick` without support for individual\n     * property identifiers.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Object} Returns the new object.\n     */\n    function basePick(object, paths) {\n      return basePickBy(object, paths, function(value, path) {\n        return hasIn(object, path);\n      });\n    }\n\n    /**\n     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @param {Function} predicate The function invoked per property.\n     * @returns {Object} Returns the new object.\n     */\n    function basePickBy(object, paths, predicate) {\n      var index = -1,\n          length = paths.length,\n          result = {};\n\n      while (++index < length) {\n        var path = paths[index],\n            value = baseGet(object, path);\n\n        if (predicate(value, path)) {\n          baseSet(result, castPath(path, object), value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseProperty` which supports deep paths.\n     *\n     * @private\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     */\n    function basePropertyDeep(path) {\n      return function(object) {\n        return baseGet(object, path);\n      };\n    }\n\n    /**\n     * The base implementation of `_.pullAllBy` without support for iteratee\n     * shorthands.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAll(array, values, iteratee, comparator) {\n      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n          index = -1,\n          length = values.length,\n          seen = array;\n\n      if (array === values) {\n        values = copyArray(values);\n      }\n      if (iteratee) {\n        seen = arrayMap(array, baseUnary(iteratee));\n      }\n      while (++index < length) {\n        var fromIndex = 0,\n            value = values[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n          if (seen !== array) {\n            splice.call(seen, fromIndex, 1);\n          }\n          splice.call(array, fromIndex, 1);\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.pullAt` without support for individual\n     * indexes or capturing the removed elements.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {number[]} indexes The indexes of elements to remove.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAt(array, indexes) {\n      var length = array ? indexes.length : 0,\n          lastIndex = length - 1;\n\n      while (length--) {\n        var index = indexes[length];\n        if (length == lastIndex || index !== previous) {\n          var previous = index;\n          if (isIndex(index)) {\n            splice.call(array, index, 1);\n          } else {\n            baseUnset(array, index);\n          }\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.random` without support for returning\n     * floating-point numbers.\n     *\n     * @private\n     * @param {number} lower The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the random number.\n     */\n    function baseRandom(lower, upper) {\n      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n    }\n\n    /**\n     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n     * coerce arguments.\n     *\n     * @private\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} step The value to increment or decrement by.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the range of numbers.\n     */\n    function baseRange(start, end, step, fromRight) {\n      var index = -1,\n          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n          result = Array(length);\n\n      while (length--) {\n        result[fromRight ? length : ++index] = start;\n        start += step;\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.repeat` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {string} string The string to repeat.\n     * @param {number} n The number of times to repeat the string.\n     * @returns {string} Returns the repeated string.\n     */\n    function baseRepeat(string, n) {\n      var result = '';\n      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n        return result;\n      }\n      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n      do {\n        if (n % 2) {\n          result += string;\n        }\n        n = nativeFloor(n / 2);\n        if (n) {\n          string += string;\n        }\n      } while (n);\n\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     */\n    function baseRest(func, start) {\n      return setToString(overRest(func, start, identity), func + '');\n    }\n\n    /**\n     * The base implementation of `_.sample`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     */\n    function baseSample(collection) {\n      return arraySample(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.sampleSize` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function baseSampleSize(collection, n) {\n      var array = values(collection);\n      return shuffleSelf(array, baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * The base implementation of `_.set`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseSet(object, path, value, customizer) {\n      if (!isObject(object)) {\n        return object;\n      }\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          lastIndex = length - 1,\n          nested = object;\n\n      while (nested != null && ++index < length) {\n        var key = toKey(path[index]),\n            newValue = value;\n\n        if (index != lastIndex) {\n          var objValue = nested[key];\n          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n          if (newValue === undefined) {\n            newValue = isObject(objValue)\n              ? objValue\n              : (isIndex(path[index + 1]) ? [] : {});\n          }\n        }\n        assignValue(nested, key, newValue);\n        nested = nested[key];\n      }\n      return object;\n    }\n\n    /**\n     * The base implementation of `setData` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetData = !metaMap ? identity : function(func, data) {\n      metaMap.set(func, data);\n      return func;\n    };\n\n    /**\n     * The base implementation of `setToString` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetToString = !defineProperty ? identity : function(func, string) {\n      return defineProperty(func, 'toString', {\n        'configurable': true,\n        'enumerable': false,\n        'value': constant(string),\n        'writable': true\n      });\n    };\n\n    /**\n     * The base implementation of `_.shuffle`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function baseShuffle(collection) {\n      return shuffleSelf(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.slice` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseSlice(array, start, end) {\n      var index = -1,\n          length = array.length;\n\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = end > length ? length : end;\n      if (end < 0) {\n        end += length;\n      }\n      length = start > end ? 0 : ((end - start) >>> 0);\n      start >>>= 0;\n\n      var result = Array(length);\n      while (++index < length) {\n        result[index] = array[index + start];\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.some` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     */\n    function baseSome(collection, predicate) {\n      var result;\n\n      baseEach(collection, function(value, index, collection) {\n        result = predicate(value, index, collection);\n        return !result;\n      });\n      return !!result;\n    }\n\n    /**\n     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n     * performs a binary search of `array` to determine the index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndex(array, value, retHighest) {\n      var low = 0,\n          high = array == null ? low : array.length;\n\n      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n        while (low < high) {\n          var mid = (low + high) >>> 1,\n              computed = array[mid];\n\n          if (computed !== null && !isSymbol(computed) &&\n              (retHighest ? (computed <= value) : (computed < value))) {\n            low = mid + 1;\n          } else {\n            high = mid;\n          }\n        }\n        return high;\n      }\n      return baseSortedIndexBy(array, value, identity, retHighest);\n    }\n\n    /**\n     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n     * which invokes `iteratee` for `value` and each element of `array` to compute\n     * their sort ranking. The iteratee is invoked with one argument; (value).\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} iteratee The iteratee invoked per element.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n      value = iteratee(value);\n\n      var low = 0,\n          high = array == null ? 0 : array.length,\n          valIsNaN = value !== value,\n          valIsNull = value === null,\n          valIsSymbol = isSymbol(value),\n          valIsUndefined = value === undefined;\n\n      while (low < high) {\n        var mid = nativeFloor((low + high) / 2),\n            computed = iteratee(array[mid]),\n            othIsDefined = computed !== undefined,\n            othIsNull = computed === null,\n            othIsReflexive = computed === computed,\n            othIsSymbol = isSymbol(computed);\n\n        if (valIsNaN) {\n          var setLow = retHighest || othIsReflexive;\n        } else if (valIsUndefined) {\n          setLow = othIsReflexive && (retHighest || othIsDefined);\n        } else if (valIsNull) {\n          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n        } else if (valIsSymbol) {\n          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n        } else if (othIsNull || othIsSymbol) {\n          setLow = false;\n        } else {\n          setLow = retHighest ? (computed <= value) : (computed < value);\n        }\n        if (setLow) {\n          low = mid + 1;\n        } else {\n          high = mid;\n        }\n      }\n      return nativeMin(high, MAX_ARRAY_INDEX);\n    }\n\n    /**\n     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n     * support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseSortedUniq(array, iteratee) {\n      var index = -1,\n          length = array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        if (!index || !eq(computed, seen)) {\n          var seen = computed;\n          result[resIndex++] = value === 0 ? 0 : value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.toNumber` which doesn't ensure correct\n     * conversions of binary, hexadecimal, or octal string values.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     */\n    function baseToNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      return +value;\n    }\n\n    /**\n     * The base implementation of `_.toString` which doesn't convert nullish\n     * values to empty strings.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {string} Returns the string.\n     */\n    function baseToString(value) {\n      // Exit early for strings to avoid a performance hit in some environments.\n      if (typeof value == 'string') {\n        return value;\n      }\n      if (isArray(value)) {\n        // Recursively convert values (susceptible to call stack limits).\n        return arrayMap(value, baseToString) + '';\n      }\n      if (isSymbol(value)) {\n        return symbolToString ? symbolToString.call(value) : '';\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseUniq(array, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          length = array.length,\n          isCommon = true,\n          result = [],\n          seen = result;\n\n      if (comparator) {\n        isCommon = false;\n        includes = arrayIncludesWith;\n      }\n      else if (length >= LARGE_ARRAY_SIZE) {\n        var set = iteratee ? null : createSet(array);\n        if (set) {\n          return setToArray(set);\n        }\n        isCommon = false;\n        includes = cacheHas;\n        seen = new SetCache;\n      }\n      else {\n        seen = iteratee ? [] : result;\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var seenIndex = seen.length;\n          while (seenIndex--) {\n            if (seen[seenIndex] === computed) {\n              continue outer;\n            }\n          }\n          if (iteratee) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n        else if (!includes(seen, computed, comparator)) {\n          if (seen !== result) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.unset`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The property path to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     */\n    function baseUnset(object, path) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      return object == null || delete object[toKey(last(path))];\n    }\n\n    /**\n     * The base implementation of `_.update`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to update.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseUpdate(object, path, updater, customizer) {\n      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n    }\n\n    /**\n     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n     * without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {Function} predicate The function invoked per iteration.\n     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseWhile(array, predicate, isDrop, fromRight) {\n      var length = array.length,\n          index = fromRight ? length : -1;\n\n      while ((fromRight ? index-- : ++index < length) &&\n        predicate(array[index], index, array)) {}\n\n      return isDrop\n        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n    }\n\n    /**\n     * The base implementation of `wrapperValue` which returns the result of\n     * performing a sequence of actions on the unwrapped `value`, where each\n     * successive action is supplied the return value of the previous.\n     *\n     * @private\n     * @param {*} value The unwrapped value.\n     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseWrapperValue(value, actions) {\n      var result = value;\n      if (result instanceof LazyWrapper) {\n        result = result.value();\n      }\n      return arrayReduce(actions, function(result, action) {\n        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n      }, result);\n    }\n\n    /**\n     * The base implementation of methods like `_.xor`, without support for\n     * iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of values.\n     */\n    function baseXor(arrays, iteratee, comparator) {\n      var length = arrays.length;\n      if (length < 2) {\n        return length ? baseUniq(arrays[0]) : [];\n      }\n      var index = -1,\n          result = Array(length);\n\n      while (++index < length) {\n        var array = arrays[index],\n            othIndex = -1;\n\n        while (++othIndex < length) {\n          if (othIndex != index) {\n            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n          }\n        }\n      }\n      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n    }\n\n    /**\n     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n     *\n     * @private\n     * @param {Array} props The property identifiers.\n     * @param {Array} values The property values.\n     * @param {Function} assignFunc The function to assign values.\n     * @returns {Object} Returns the new object.\n     */\n    function baseZipObject(props, values, assignFunc) {\n      var index = -1,\n          length = props.length,\n          valsLength = values.length,\n          result = {};\n\n      while (++index < length) {\n        var value = index < valsLength ? values[index] : undefined;\n        assignFunc(result, props[index], value);\n      }\n      return result;\n    }\n\n    /**\n     * Casts `value` to an empty array if it's not an array like object.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Array|Object} Returns the cast array-like object.\n     */\n    function castArrayLikeObject(value) {\n      return isArrayLikeObject(value) ? value : [];\n    }\n\n    /**\n     * Casts `value` to `identity` if it's not a function.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Function} Returns cast function.\n     */\n    function castFunction(value) {\n      return typeof value == 'function' ? value : identity;\n    }\n\n    /**\n     * Casts `value` to a path array if it's not one.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {Array} Returns the cast property path array.\n     */\n    function castPath(value, object) {\n      if (isArray(value)) {\n        return value;\n      }\n      return isKey(value, object) ? [value] : stringToPath(toString(value));\n    }\n\n    /**\n     * A `baseRest` alias which can be replaced with `identity` by module\n     * replacement plugins.\n     *\n     * @private\n     * @type {Function}\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    var castRest = baseRest;\n\n    /**\n     * Casts `array` to a slice if it's needed.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {number} start The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the cast slice.\n     */\n    function castSlice(array, start, end) {\n      var length = array.length;\n      end = end === undefined ? length : end;\n      return (!start && end >= length) ? array : baseSlice(array, start, end);\n    }\n\n    /**\n     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n     *\n     * @private\n     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n     */\n    var clearTimeout = ctxClearTimeout || function(id) {\n      return root.clearTimeout(id);\n    };\n\n    /**\n     * Creates a clone of  `buffer`.\n     *\n     * @private\n     * @param {Buffer} buffer The buffer to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Buffer} Returns the cloned buffer.\n     */\n    function cloneBuffer(buffer, isDeep) {\n      if (isDeep) {\n        return buffer.slice();\n      }\n      var length = buffer.length,\n          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n      buffer.copy(result);\n      return result;\n    }\n\n    /**\n     * Creates a clone of `arrayBuffer`.\n     *\n     * @private\n     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n     * @returns {ArrayBuffer} Returns the cloned array buffer.\n     */\n    function cloneArrayBuffer(arrayBuffer) {\n      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n      return result;\n    }\n\n    /**\n     * Creates a clone of `dataView`.\n     *\n     * @private\n     * @param {Object} dataView The data view to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned data view.\n     */\n    function cloneDataView(dataView, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n    }\n\n    /**\n     * Creates a clone of `map`.\n     *\n     * @private\n     * @param {Object} map The map to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned map.\n     */\n    function cloneMap(map, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n      return arrayReduce(array, addMapEntry, new map.constructor);\n    }\n\n    /**\n     * Creates a clone of `regexp`.\n     *\n     * @private\n     * @param {Object} regexp The regexp to clone.\n     * @returns {Object} Returns the cloned regexp.\n     */\n    function cloneRegExp(regexp) {\n      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n      result.lastIndex = regexp.lastIndex;\n      return result;\n    }\n\n    /**\n     * Creates a clone of `set`.\n     *\n     * @private\n     * @param {Object} set The set to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned set.\n     */\n    function cloneSet(set, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n      return arrayReduce(array, addSetEntry, new set.constructor);\n    }\n\n    /**\n     * Creates a clone of the `symbol` object.\n     *\n     * @private\n     * @param {Object} symbol The symbol object to clone.\n     * @returns {Object} Returns the cloned symbol object.\n     */\n    function cloneSymbol(symbol) {\n      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n    }\n\n    /**\n     * Creates a clone of `typedArray`.\n     *\n     * @private\n     * @param {Object} typedArray The typed array to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned typed array.\n     */\n    function cloneTypedArray(typedArray, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n    }\n\n    /**\n     * Compares values to sort them in ascending order.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {number} Returns the sort order indicator for `value`.\n     */\n    function compareAscending(value, other) {\n      if (value !== other) {\n        var valIsDefined = value !== undefined,\n            valIsNull = value === null,\n            valIsReflexive = value === value,\n            valIsSymbol = isSymbol(value);\n\n        var othIsDefined = other !== undefined,\n            othIsNull = other === null,\n            othIsReflexive = other === other,\n            othIsSymbol = isSymbol(other);\n\n        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n            (valIsNull && othIsDefined && othIsReflexive) ||\n            (!valIsDefined && othIsReflexive) ||\n            !valIsReflexive) {\n          return 1;\n        }\n        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n            (othIsNull && valIsDefined && valIsReflexive) ||\n            (!othIsDefined && valIsReflexive) ||\n            !othIsReflexive) {\n          return -1;\n        }\n      }\n      return 0;\n    }\n\n    /**\n     * Used by `_.orderBy` to compare multiple properties of a value to another\n     * and stable sort them.\n     *\n     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n     * of corresponding values.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {boolean[]|string[]} orders The order to sort by for each property.\n     * @returns {number} Returns the sort order indicator for `object`.\n     */\n    function compareMultiple(object, other, orders) {\n      var index = -1,\n          objCriteria = object.criteria,\n          othCriteria = other.criteria,\n          length = objCriteria.length,\n          ordersLength = orders.length;\n\n      while (++index < length) {\n        var result = compareAscending(objCriteria[index], othCriteria[index]);\n        if (result) {\n          if (index >= ordersLength) {\n            return result;\n          }\n          var order = orders[index];\n          return result * (order == 'desc' ? -1 : 1);\n        }\n      }\n      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n      // that causes it, under certain circumstances, to provide the same value for\n      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n      // for more details.\n      //\n      // This also ensures a stable sort in V8 and other engines.\n      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n      return object.index - other.index;\n    }\n\n    /**\n     * Creates an array that is the composition of partially applied arguments,\n     * placeholders, and provided arguments into a single array of arguments.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to prepend to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgs(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersLength = holders.length,\n          leftIndex = -1,\n          leftLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(leftLength + rangeLength),\n          isUncurried = !isCurried;\n\n      while (++leftIndex < leftLength) {\n        result[leftIndex] = partials[leftIndex];\n      }\n      while (++argsIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[holders[argsIndex]] = args[argsIndex];\n        }\n      }\n      while (rangeLength--) {\n        result[leftIndex++] = args[argsIndex++];\n      }\n      return result;\n    }\n\n    /**\n     * This function is like `composeArgs` except that the arguments composition\n     * is tailored for `_.partialRight`.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to append to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgsRight(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersIndex = -1,\n          holdersLength = holders.length,\n          rightIndex = -1,\n          rightLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(rangeLength + rightLength),\n          isUncurried = !isCurried;\n\n      while (++argsIndex < rangeLength) {\n        result[argsIndex] = args[argsIndex];\n      }\n      var offset = argsIndex;\n      while (++rightIndex < rightLength) {\n        result[offset + rightIndex] = partials[rightIndex];\n      }\n      while (++holdersIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[offset + holders[holdersIndex]] = args[argsIndex++];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Copies the values of `source` to `array`.\n     *\n     * @private\n     * @param {Array} source The array to copy values from.\n     * @param {Array} [array=[]] The array to copy values to.\n     * @returns {Array} Returns `array`.\n     */\n    function copyArray(source, array) {\n      var index = -1,\n          length = source.length;\n\n      array || (array = Array(length));\n      while (++index < length) {\n        array[index] = source[index];\n      }\n      return array;\n    }\n\n    /**\n     * Copies properties of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy properties from.\n     * @param {Array} props The property identifiers to copy.\n     * @param {Object} [object={}] The object to copy properties to.\n     * @param {Function} [customizer] The function to customize copied values.\n     * @returns {Object} Returns `object`.\n     */\n    function copyObject(source, props, object, customizer) {\n      var isNew = !object;\n      object || (object = {});\n\n      var index = -1,\n          length = props.length;\n\n      while (++index < length) {\n        var key = props[index];\n\n        var newValue = customizer\n          ? customizer(object[key], source[key], key, object, source)\n          : undefined;\n\n        if (newValue === undefined) {\n          newValue = source[key];\n        }\n        if (isNew) {\n          baseAssignValue(object, key, newValue);\n        } else {\n          assignValue(object, key, newValue);\n        }\n      }\n      return object;\n    }\n\n    /**\n     * Copies own symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbols(source, object) {\n      return copyObject(source, getSymbols(source), object);\n    }\n\n    /**\n     * Copies own and inherited symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbolsIn(source, object) {\n      return copyObject(source, getSymbolsIn(source), object);\n    }\n\n    /**\n     * Creates a function like `_.groupBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} [initializer] The accumulator object initializer.\n     * @returns {Function} Returns the new aggregator function.\n     */\n    function createAggregator(setter, initializer) {\n      return function(collection, iteratee) {\n        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n            accumulator = initializer ? initializer() : {};\n\n        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n      };\n    }\n\n    /**\n     * Creates a function like `_.assign`.\n     *\n     * @private\n     * @param {Function} assigner The function to assign values.\n     * @returns {Function} Returns the new assigner function.\n     */\n    function createAssigner(assigner) {\n      return baseRest(function(object, sources) {\n        var index = -1,\n            length = sources.length,\n            customizer = length > 1 ? sources[length - 1] : undefined,\n            guard = length > 2 ? sources[2] : undefined;\n\n        customizer = (assigner.length > 3 && typeof customizer == 'function')\n          ? (length--, customizer)\n          : undefined;\n\n        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n          customizer = length < 3 ? undefined : customizer;\n          length = 1;\n        }\n        object = Object(object);\n        while (++index < length) {\n          var source = sources[index];\n          if (source) {\n            assigner(object, source, index, customizer);\n          }\n        }\n        return object;\n      });\n    }\n\n    /**\n     * Creates a `baseEach` or `baseEachRight` function.\n     *\n     * @private\n     * @param {Function} eachFunc The function to iterate over a collection.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseEach(eachFunc, fromRight) {\n      return function(collection, iteratee) {\n        if (collection == null) {\n          return collection;\n        }\n        if (!isArrayLike(collection)) {\n          return eachFunc(collection, iteratee);\n        }\n        var length = collection.length,\n            index = fromRight ? length : -1,\n            iterable = Object(collection);\n\n        while ((fromRight ? index-- : ++index < length)) {\n          if (iteratee(iterable[index], index, iterable) === false) {\n            break;\n          }\n        }\n        return collection;\n      };\n    }\n\n    /**\n     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseFor(fromRight) {\n      return function(object, iteratee, keysFunc) {\n        var index = -1,\n            iterable = Object(object),\n            props = keysFunc(object),\n            length = props.length;\n\n        while (length--) {\n          var key = props[fromRight ? length : ++index];\n          if (iteratee(iterable[key], key, iterable) === false) {\n            break;\n          }\n        }\n        return object;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the optional `this`\n     * binding of `thisArg`.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createBind(func, bitmask, thisArg) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return fn.apply(isBind ? thisArg : this, arguments);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.lowerFirst`.\n     *\n     * @private\n     * @param {string} methodName The name of the `String` case method to use.\n     * @returns {Function} Returns the new case function.\n     */\n    function createCaseFirst(methodName) {\n      return function(string) {\n        string = toString(string);\n\n        var strSymbols = hasUnicode(string)\n          ? stringToArray(string)\n          : undefined;\n\n        var chr = strSymbols\n          ? strSymbols[0]\n          : string.charAt(0);\n\n        var trailing = strSymbols\n          ? castSlice(strSymbols, 1).join('')\n          : string.slice(1);\n\n        return chr[methodName]() + trailing;\n      };\n    }\n\n    /**\n     * Creates a function like `_.camelCase`.\n     *\n     * @private\n     * @param {Function} callback The function to combine each word.\n     * @returns {Function} Returns the new compounder function.\n     */\n    function createCompounder(callback) {\n      return function(string) {\n        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n      };\n    }\n\n    /**\n     * Creates a function that produces an instance of `Ctor` regardless of\n     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n     *\n     * @private\n     * @param {Function} Ctor The constructor to wrap.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCtor(Ctor) {\n      return function() {\n        // Use a `switch` statement to work with class constructors. See\n        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n        // for more details.\n        var args = arguments;\n        switch (args.length) {\n          case 0: return new Ctor;\n          case 1: return new Ctor(args[0]);\n          case 2: return new Ctor(args[0], args[1]);\n          case 3: return new Ctor(args[0], args[1], args[2]);\n          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n        }\n        var thisBinding = baseCreate(Ctor.prototype),\n            result = Ctor.apply(thisBinding, args);\n\n        // Mimic the constructor's `return` behavior.\n        // See https://es5.github.io/#x13.2.2 for more details.\n        return isObject(result) ? result : thisBinding;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to enable currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {number} arity The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCurry(func, bitmask, arity) {\n      var Ctor = createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length,\n            placeholder = getHolder(wrapper);\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n          ? []\n          : replaceHolders(args, placeholder);\n\n        length -= holders.length;\n        if (length < arity) {\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n            args, holders, undefined, undefined, arity - length);\n        }\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return apply(fn, this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.find` or `_.findLast` function.\n     *\n     * @private\n     * @param {Function} findIndexFunc The function to find the collection index.\n     * @returns {Function} Returns the new find function.\n     */\n    function createFind(findIndexFunc) {\n      return function(collection, predicate, fromIndex) {\n        var iterable = Object(collection);\n        if (!isArrayLike(collection)) {\n          var iteratee = getIteratee(predicate, 3);\n          collection = keys(collection);\n          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n        }\n        var index = findIndexFunc(collection, predicate, fromIndex);\n        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n      };\n    }\n\n    /**\n     * Creates a `_.flow` or `_.flowRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new flow function.\n     */\n    function createFlow(fromRight) {\n      return flatRest(function(funcs) {\n        var length = funcs.length,\n            index = length,\n            prereq = LodashWrapper.prototype.thru;\n\n        if (fromRight) {\n          funcs.reverse();\n        }\n        while (index--) {\n          var func = funcs[index];\n          if (typeof func != 'function') {\n            throw new TypeError(FUNC_ERROR_TEXT);\n          }\n          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n            var wrapper = new LodashWrapper([], true);\n          }\n        }\n        index = wrapper ? index : length;\n        while (++index < length) {\n          func = funcs[index];\n\n          var funcName = getFuncName(func),\n              data = funcName == 'wrapper' ? getData(func) : undefined;\n\n          if (data && isLaziable(data[0]) &&\n                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n                !data[4].length && data[9] == 1\n              ) {\n            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n          } else {\n            wrapper = (func.length == 1 && isLaziable(func))\n              ? wrapper[funcName]()\n              : wrapper.thru(func);\n          }\n        }\n        return function() {\n          var args = arguments,\n              value = args[0];\n\n          if (wrapper && args.length == 1 && isArray(value)) {\n            return wrapper.plant(value).value();\n          }\n          var index = 0,\n              result = length ? funcs[index].apply(this, args) : value;\n\n          while (++index < length) {\n            result = funcs[index].call(this, result);\n          }\n          return result;\n        };\n      });\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with optional `this`\n     * binding of `thisArg`, partial application, and currying.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [partialsRight] The arguments to append to those provided\n     *  to the new function.\n     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n      var isAry = bitmask & WRAP_ARY_FLAG,\n          isBind = bitmask & WRAP_BIND_FLAG,\n          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n          isFlip = bitmask & WRAP_FLIP_FLAG,\n          Ctor = isBindKey ? undefined : createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length;\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        if (isCurried) {\n          var placeholder = getHolder(wrapper),\n              holdersCount = countHolders(args, placeholder);\n        }\n        if (partials) {\n          args = composeArgs(args, partials, holders, isCurried);\n        }\n        if (partialsRight) {\n          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n        }\n        length -= holdersCount;\n        if (isCurried && length < arity) {\n          var newHolders = replaceHolders(args, placeholder);\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n            args, newHolders, argPos, ary, arity - length\n          );\n        }\n        var thisBinding = isBind ? thisArg : this,\n            fn = isBindKey ? thisBinding[func] : func;\n\n        length = args.length;\n        if (argPos) {\n          args = reorder(args, argPos);\n        } else if (isFlip && length > 1) {\n          args.reverse();\n        }\n        if (isAry && ary < length) {\n          args.length = ary;\n        }\n        if (this && this !== root && this instanceof wrapper) {\n          fn = Ctor || createCtor(fn);\n        }\n        return fn.apply(thisBinding, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.invertBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} toIteratee The function to resolve iteratees.\n     * @returns {Function} Returns the new inverter function.\n     */\n    function createInverter(setter, toIteratee) {\n      return function(object, iteratee) {\n        return baseInverter(object, setter, toIteratee(iteratee), {});\n      };\n    }\n\n    /**\n     * Creates a function that performs a mathematical operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @param {number} [defaultValue] The value used for `undefined` arguments.\n     * @returns {Function} Returns the new mathematical operation function.\n     */\n    function createMathOperation(operator, defaultValue) {\n      return function(value, other) {\n        var result;\n        if (value === undefined && other === undefined) {\n          return defaultValue;\n        }\n        if (value !== undefined) {\n          result = value;\n        }\n        if (other !== undefined) {\n          if (result === undefined) {\n            return other;\n          }\n          if (typeof value == 'string' || typeof other == 'string') {\n            value = baseToString(value);\n            other = baseToString(other);\n          } else {\n            value = baseToNumber(value);\n            other = baseToNumber(other);\n          }\n          result = operator(value, other);\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function like `_.over`.\n     *\n     * @private\n     * @param {Function} arrayFunc The function to iterate over iteratees.\n     * @returns {Function} Returns the new over function.\n     */\n    function createOver(arrayFunc) {\n      return flatRest(function(iteratees) {\n        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n        return baseRest(function(args) {\n          var thisArg = this;\n          return arrayFunc(iteratees, function(iteratee) {\n            return apply(iteratee, thisArg, args);\n          });\n        });\n      });\n    }\n\n    /**\n     * Creates the padding for `string` based on `length`. The `chars` string\n     * is truncated if the number of characters exceeds `length`.\n     *\n     * @private\n     * @param {number} length The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padding for `string`.\n     */\n    function createPadding(length, chars) {\n      chars = chars === undefined ? ' ' : baseToString(chars);\n\n      var charsLength = chars.length;\n      if (charsLength < 2) {\n        return charsLength ? baseRepeat(chars, length) : chars;\n      }\n      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n      return hasUnicode(chars)\n        ? castSlice(stringToArray(result), 0, length).join('')\n        : result.slice(0, length);\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the `this` binding\n     * of `thisArg` and `partials` prepended to the arguments it receives.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {Array} partials The arguments to prepend to those provided to\n     *  the new function.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createPartial(func, bitmask, thisArg, partials) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var argsIndex = -1,\n            argsLength = arguments.length,\n            leftIndex = -1,\n            leftLength = partials.length,\n            args = Array(leftLength + argsLength),\n            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n        while (++leftIndex < leftLength) {\n          args[leftIndex] = partials[leftIndex];\n        }\n        while (argsLength--) {\n          args[leftIndex++] = arguments[++argsIndex];\n        }\n        return apply(fn, isBind ? thisArg : this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.range` or `_.rangeRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new range function.\n     */\n    function createRange(fromRight) {\n      return function(start, end, step) {\n        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n          end = step = undefined;\n        }\n        // Ensure the sign of `-0` is preserved.\n        start = toFinite(start);\n        if (end === undefined) {\n          end = start;\n          start = 0;\n        } else {\n          end = toFinite(end);\n        }\n        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n        return baseRange(start, end, step, fromRight);\n      };\n    }\n\n    /**\n     * Creates a function that performs a relational operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @returns {Function} Returns the new relational operation function.\n     */\n    function createRelationalOperation(operator) {\n      return function(value, other) {\n        if (!(typeof value == 'string' && typeof other == 'string')) {\n          value = toNumber(value);\n          other = toNumber(other);\n        }\n        return operator(value, other);\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to continue currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {Function} wrapFunc The function to create the `func` wrapper.\n     * @param {*} placeholder The placeholder value.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n      var isCurry = bitmask & WRAP_CURRY_FLAG,\n          newHolders = isCurry ? holders : undefined,\n          newHoldersRight = isCurry ? undefined : holders,\n          newPartials = isCurry ? partials : undefined,\n          newPartialsRight = isCurry ? undefined : partials;\n\n      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n      }\n      var newData = [\n        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n        newHoldersRight, argPos, ary, arity\n      ];\n\n      var result = wrapFunc.apply(undefined, newData);\n      if (isLaziable(func)) {\n        setData(result, newData);\n      }\n      result.placeholder = placeholder;\n      return setWrapToString(result, func, bitmask);\n    }\n\n    /**\n     * Creates a function like `_.round`.\n     *\n     * @private\n     * @param {string} methodName The name of the `Math` method to use when rounding.\n     * @returns {Function} Returns the new round function.\n     */\n    function createRound(methodName) {\n      var func = Math[methodName];\n      return function(number, precision) {\n        number = toNumber(number);\n        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n        if (precision) {\n          // Shift with exponential notation to avoid floating-point issues.\n          // See [MDN](https://mdn.io/round#Examples) for more details.\n          var pair = (toString(number) + 'e').split('e'),\n              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n          pair = (toString(value) + 'e').split('e');\n          return +(pair[0] + 'e' + (+pair[1] - precision));\n        }\n        return func(number);\n      };\n    }\n\n    /**\n     * Creates a set object of `values`.\n     *\n     * @private\n     * @param {Array} values The values to add to the set.\n     * @returns {Object} Returns the new set.\n     */\n    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n      return new Set(values);\n    };\n\n    /**\n     * Creates a `_.toPairs` or `_.toPairsIn` function.\n     *\n     * @private\n     * @param {Function} keysFunc The function to get the keys of a given object.\n     * @returns {Function} Returns the new pairs function.\n     */\n    function createToPairs(keysFunc) {\n      return function(object) {\n        var tag = getTag(object);\n        if (tag == mapTag) {\n          return mapToArray(object);\n        }\n        if (tag == setTag) {\n          return setToPairs(object);\n        }\n        return baseToPairs(object, keysFunc(object));\n      };\n    }\n\n    /**\n     * Creates a function that either curries or invokes `func` with optional\n     * `this` binding and partially applied arguments.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags.\n     *    1 - `_.bind`\n     *    2 - `_.bindKey`\n     *    4 - `_.curry` or `_.curryRight` of a bound function\n     *    8 - `_.curry`\n     *   16 - `_.curryRight`\n     *   32 - `_.partial`\n     *   64 - `_.partialRight`\n     *  128 - `_.rearg`\n     *  256 - `_.ary`\n     *  512 - `_.flip`\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to be partially applied.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n      if (!isBindKey && typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var length = partials ? partials.length : 0;\n      if (!length) {\n        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n        partials = holders = undefined;\n      }\n      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n      arity = arity === undefined ? arity : toInteger(arity);\n      length -= holders ? holders.length : 0;\n\n      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n        var partialsRight = partials,\n            holdersRight = holders;\n\n        partials = holders = undefined;\n      }\n      var data = isBindKey ? undefined : getData(func);\n\n      var newData = [\n        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n        argPos, ary, arity\n      ];\n\n      if (data) {\n        mergeData(newData, data);\n      }\n      func = newData[0];\n      bitmask = newData[1];\n      thisArg = newData[2];\n      partials = newData[3];\n      holders = newData[4];\n      arity = newData[9] = newData[9] === undefined\n        ? (isBindKey ? 0 : func.length)\n        : nativeMax(newData[9] - length, 0);\n\n      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n      }\n      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n        var result = createBind(func, bitmask, thisArg);\n      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n        result = createCurry(func, bitmask, arity);\n      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n        result = createPartial(func, bitmask, thisArg, partials);\n      } else {\n        result = createHybrid.apply(undefined, newData);\n      }\n      var setter = data ? baseSetData : setData;\n      return setWrapToString(setter(result, newData), func, bitmask);\n    }\n\n    /**\n     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n     * of source objects to the destination object for all destination properties\n     * that resolve to `undefined`.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to assign.\n     * @param {Object} object The parent object of `objValue`.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n      if (objValue === undefined ||\n          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n        return srcValue;\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n     * objects into destination objects that are passed thru.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to merge.\n     * @param {Object} object The parent object of `objValue`.\n     * @param {Object} source The parent object of `srcValue`.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n      if (isObject(objValue) && isObject(srcValue)) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, objValue);\n        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n        stack['delete'](srcValue);\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n     * objects.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {string} key The key of the property to inspect.\n     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n     */\n    function customOmitClone(value) {\n      return isPlainObject(value) ? undefined : value;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for arrays with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Array} array The array to compare.\n     * @param {Array} other The other array to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `array` and `other` objects.\n     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n     */\n    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          arrLength = array.length,\n          othLength = other.length;\n\n      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n        return false;\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(array);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var index = -1,\n          result = true,\n          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n      stack.set(array, other);\n      stack.set(other, array);\n\n      // Ignore non-index properties.\n      while (++index < arrLength) {\n        var arrValue = array[index],\n            othValue = other[index];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, arrValue, index, other, array, stack)\n            : customizer(arrValue, othValue, index, array, other, stack);\n        }\n        if (compared !== undefined) {\n          if (compared) {\n            continue;\n          }\n          result = false;\n          break;\n        }\n        // Recursively compare arrays (susceptible to call stack limits).\n        if (seen) {\n          if (!arraySome(other, function(othValue, othIndex) {\n                if (!cacheHas(seen, othIndex) &&\n                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n                  return seen.push(othIndex);\n                }\n              })) {\n            result = false;\n            break;\n          }\n        } else if (!(\n              arrValue === othValue ||\n                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n            )) {\n          result = false;\n          break;\n        }\n      }\n      stack['delete'](array);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for comparing objects of\n     * the same `toStringTag`.\n     *\n     * **Note:** This function only supports comparing values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {string} tag The `toStringTag` of the objects to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n      switch (tag) {\n        case dataViewTag:\n          if ((object.byteLength != other.byteLength) ||\n              (object.byteOffset != other.byteOffset)) {\n            return false;\n          }\n          object = object.buffer;\n          other = other.buffer;\n\n        case arrayBufferTag:\n          if ((object.byteLength != other.byteLength) ||\n              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n            return false;\n          }\n          return true;\n\n        case boolTag:\n        case dateTag:\n        case numberTag:\n          // Coerce booleans to `1` or `0` and dates to milliseconds.\n          // Invalid dates are coerced to `NaN`.\n          return eq(+object, +other);\n\n        case errorTag:\n          return object.name == other.name && object.message == other.message;\n\n        case regexpTag:\n        case stringTag:\n          // Coerce regexes to strings and treat strings, primitives and objects,\n          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n          // for more details.\n          return object == (other + '');\n\n        case mapTag:\n          var convert = mapToArray;\n\n        case setTag:\n          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n          convert || (convert = setToArray);\n\n          if (object.size != other.size && !isPartial) {\n            return false;\n          }\n          // Assume cyclic values are equal.\n          var stacked = stack.get(object);\n          if (stacked) {\n            return stacked == other;\n          }\n          bitmask |= COMPARE_UNORDERED_FLAG;\n\n          // Recursively compare objects (susceptible to call stack limits).\n          stack.set(object, other);\n          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n          stack['delete'](object);\n          return result;\n\n        case symbolTag:\n          if (symbolValueOf) {\n            return symbolValueOf.call(object) == symbolValueOf.call(other);\n          }\n      }\n      return false;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for objects with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          objProps = getAllKeys(object),\n          objLength = objProps.length,\n          othProps = getAllKeys(other),\n          othLength = othProps.length;\n\n      if (objLength != othLength && !isPartial) {\n        return false;\n      }\n      var index = objLength;\n      while (index--) {\n        var key = objProps[index];\n        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n          return false;\n        }\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(object);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var result = true;\n      stack.set(object, other);\n      stack.set(other, object);\n\n      var skipCtor = isPartial;\n      while (++index < objLength) {\n        key = objProps[index];\n        var objValue = object[key],\n            othValue = other[key];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, objValue, key, other, object, stack)\n            : customizer(objValue, othValue, key, object, other, stack);\n        }\n        // Recursively compare objects (susceptible to call stack limits).\n        if (!(compared === undefined\n              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n              : compared\n            )) {\n          result = false;\n          break;\n        }\n        skipCtor || (skipCtor = key == 'constructor');\n      }\n      if (result && !skipCtor) {\n        var objCtor = object.constructor,\n            othCtor = other.constructor;\n\n        // Non `Object` object instances with different constructors are not equal.\n        if (objCtor != othCtor &&\n            ('constructor' in object && 'constructor' in other) &&\n            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n          result = false;\n        }\n      }\n      stack['delete'](object);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseRest` which flattens the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    function flatRest(func) {\n      return setToString(overRest(func, undefined, flatten), func + '');\n    }\n\n    /**\n     * Creates an array of own enumerable property names and symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeys(object) {\n      return baseGetAllKeys(object, keys, getSymbols);\n    }\n\n    /**\n     * Creates an array of own and inherited enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeysIn(object) {\n      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n    }\n\n    /**\n     * Gets metadata for `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {*} Returns the metadata for `func`.\n     */\n    var getData = !metaMap ? noop : function(func) {\n      return metaMap.get(func);\n    };\n\n    /**\n     * Gets the name of `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {string} Returns the function name.\n     */\n    function getFuncName(func) {\n      var result = (func.name + ''),\n          array = realNames[result],\n          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n      while (length--) {\n        var data = array[length],\n            otherFunc = data.func;\n        if (otherFunc == null || otherFunc == func) {\n          return data.name;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Gets the argument placeholder value for `func`.\n     *\n     * @private\n     * @param {Function} func The function to inspect.\n     * @returns {*} Returns the placeholder value.\n     */\n    function getHolder(func) {\n      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n      return object.placeholder;\n    }\n\n    /**\n     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n     * this function returns the custom method, otherwise it returns `baseIteratee`.\n     * If arguments are provided, the chosen function is invoked with them and\n     * its result is returned.\n     *\n     * @private\n     * @param {*} [value] The value to convert to an iteratee.\n     * @param {number} [arity] The arity of the created iteratee.\n     * @returns {Function} Returns the chosen function or its result.\n     */\n    function getIteratee() {\n      var result = lodash.iteratee || iteratee;\n      result = result === iteratee ? baseIteratee : result;\n      return arguments.length ? result(arguments[0], arguments[1]) : result;\n    }\n\n    /**\n     * Gets the data for `map`.\n     *\n     * @private\n     * @param {Object} map The map to query.\n     * @param {string} key The reference key.\n     * @returns {*} Returns the map data.\n     */\n    function getMapData(map, key) {\n      var data = map.__data__;\n      return isKeyable(key)\n        ? data[typeof key == 'string' ? 'string' : 'hash']\n        : data.map;\n    }\n\n    /**\n     * Gets the property names, values, and compare flags of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the match data of `object`.\n     */\n    function getMatchData(object) {\n      var result = keys(object),\n          length = result.length;\n\n      while (length--) {\n        var key = result[length],\n            value = object[key];\n\n        result[length] = [key, value, isStrictComparable(value)];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the native function at `key` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {string} key The key of the method to get.\n     * @returns {*} Returns the function if it's native, else `undefined`.\n     */\n    function getNative(object, key) {\n      var value = getValue(object, key);\n      return baseIsNative(value) ? value : undefined;\n    }\n\n    /**\n     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the raw `toStringTag`.\n     */\n    function getRawTag(value) {\n      var isOwn = hasOwnProperty.call(value, symToStringTag),\n          tag = value[symToStringTag];\n\n      try {\n        value[symToStringTag] = undefined;\n        var unmasked = true;\n      } catch (e) {}\n\n      var result = nativeObjectToString.call(value);\n      if (unmasked) {\n        if (isOwn) {\n          value[symToStringTag] = tag;\n        } else {\n          delete value[symToStringTag];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array of the own enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n      if (object == null) {\n        return [];\n      }\n      object = Object(object);\n      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n        return propertyIsEnumerable.call(object, symbol);\n      });\n    };\n\n    /**\n     * Creates an array of the own and inherited enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n      var result = [];\n      while (object) {\n        arrayPush(result, getSymbols(object));\n        object = getPrototype(object);\n      }\n      return result;\n    };\n\n    /**\n     * Gets the `toStringTag` of `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    var getTag = baseGetTag;\n\n    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n        (Map && getTag(new Map) != mapTag) ||\n        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n        (Set && getTag(new Set) != setTag) ||\n        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n      getTag = function(value) {\n        var result = baseGetTag(value),\n            Ctor = result == objectTag ? value.constructor : undefined,\n            ctorString = Ctor ? toSource(Ctor) : '';\n\n        if (ctorString) {\n          switch (ctorString) {\n            case dataViewCtorString: return dataViewTag;\n            case mapCtorString: return mapTag;\n            case promiseCtorString: return promiseTag;\n            case setCtorString: return setTag;\n            case weakMapCtorString: return weakMapTag;\n          }\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n     *\n     * @private\n     * @param {number} start The start of the view.\n     * @param {number} end The end of the view.\n     * @param {Array} transforms The transformations to apply to the view.\n     * @returns {Object} Returns an object containing the `start` and `end`\n     *  positions of the view.\n     */\n    function getView(start, end, transforms) {\n      var index = -1,\n          length = transforms.length;\n\n      while (++index < length) {\n        var data = transforms[index],\n            size = data.size;\n\n        switch (data.type) {\n          case 'drop':      start += size; break;\n          case 'dropRight': end -= size; break;\n          case 'take':      end = nativeMin(end, start + size); break;\n          case 'takeRight': start = nativeMax(start, end - size); break;\n        }\n      }\n      return { 'start': start, 'end': end };\n    }\n\n    /**\n     * Extracts wrapper details from the `source` body comment.\n     *\n     * @private\n     * @param {string} source The source to inspect.\n     * @returns {Array} Returns the wrapper details.\n     */\n    function getWrapDetails(source) {\n      var match = source.match(reWrapDetails);\n      return match ? match[1].split(reSplitDetails) : [];\n    }\n\n    /**\n     * Checks if `path` exists on `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @param {Function} hasFunc The function to check properties.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     */\n    function hasPath(object, path, hasFunc) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          result = false;\n\n      while (++index < length) {\n        var key = toKey(path[index]);\n        if (!(result = object != null && hasFunc(object, key))) {\n          break;\n        }\n        object = object[key];\n      }\n      if (result || ++index != length) {\n        return result;\n      }\n      length = object == null ? 0 : object.length;\n      return !!length && isLength(length) && isIndex(key, length) &&\n        (isArray(object) || isArguments(object));\n    }\n\n    /**\n     * Initializes an array clone.\n     *\n     * @private\n     * @param {Array} array The array to clone.\n     * @returns {Array} Returns the initialized clone.\n     */\n    function initCloneArray(array) {\n      var length = array.length,\n          result = array.constructor(length);\n\n      // Add properties assigned by `RegExp#exec`.\n      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n        result.index = array.index;\n        result.input = array.input;\n      }\n      return result;\n    }\n\n    /**\n     * Initializes an object clone.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneObject(object) {\n      return (typeof object.constructor == 'function' && !isPrototype(object))\n        ? baseCreate(getPrototype(object))\n        : {};\n    }\n\n    /**\n     * Initializes an object clone based on its `toStringTag`.\n     *\n     * **Note:** This function only supports cloning values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @param {string} tag The `toStringTag` of the object to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n      var Ctor = object.constructor;\n      switch (tag) {\n        case arrayBufferTag:\n          return cloneArrayBuffer(object);\n\n        case boolTag:\n        case dateTag:\n          return new Ctor(+object);\n\n        case dataViewTag:\n          return cloneDataView(object, isDeep);\n\n        case float32Tag: case float64Tag:\n        case int8Tag: case int16Tag: case int32Tag:\n        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n          return cloneTypedArray(object, isDeep);\n\n        case mapTag:\n          return cloneMap(object, isDeep, cloneFunc);\n\n        case numberTag:\n        case stringTag:\n          return new Ctor(object);\n\n        case regexpTag:\n          return cloneRegExp(object);\n\n        case setTag:\n          return cloneSet(object, isDeep, cloneFunc);\n\n        case symbolTag:\n          return cloneSymbol(object);\n      }\n    }\n\n    /**\n     * Inserts wrapper `details` in a comment at the top of the `source` body.\n     *\n     * @private\n     * @param {string} source The source to modify.\n     * @returns {Array} details The details to insert.\n     * @returns {string} Returns the modified source.\n     */\n    function insertWrapDetails(source, details) {\n      var length = details.length;\n      if (!length) {\n        return source;\n      }\n      var lastIndex = length - 1;\n      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n      details = details.join(length > 2 ? ', ' : ' ');\n      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n    }\n\n    /**\n     * Checks if `value` is a flattenable `arguments` object or array.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n     */\n    function isFlattenable(value) {\n      return isArray(value) || isArguments(value) ||\n        !!(spreadableSymbol && value && value[spreadableSymbol]);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like index.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n     */\n    function isIndex(value, length) {\n      length = length == null ? MAX_SAFE_INTEGER : length;\n      return !!length &&\n        (typeof value == 'number' || reIsUint.test(value)) &&\n        (value > -1 && value % 1 == 0 && value < length);\n    }\n\n    /**\n     * Checks if the given arguments are from an iteratee call.\n     *\n     * @private\n     * @param {*} value The potential iteratee value argument.\n     * @param {*} index The potential iteratee index or key argument.\n     * @param {*} object The potential iteratee object argument.\n     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n     *  else `false`.\n     */\n    function isIterateeCall(value, index, object) {\n      if (!isObject(object)) {\n        return false;\n      }\n      var type = typeof index;\n      if (type == 'number'\n            ? (isArrayLike(object) && isIndex(index, object.length))\n            : (type == 'string' && index in object)\n          ) {\n        return eq(object[index], value);\n      }\n      return false;\n    }\n\n    /**\n     * Checks if `value` is a property name and not a property path.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n     */\n    function isKey(value, object) {\n      if (isArray(value)) {\n        return false;\n      }\n      var type = typeof value;\n      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n          value == null || isSymbol(value)) {\n        return true;\n      }\n      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n        (object != null && value in Object(object));\n    }\n\n    /**\n     * Checks if `value` is suitable for use as unique object key.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n     */\n    function isKeyable(value) {\n      var type = typeof value;\n      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n        ? (value !== '__proto__')\n        : (value === null);\n    }\n\n    /**\n     * Checks if `func` has a lazy counterpart.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n     *  else `false`.\n     */\n    function isLaziable(func) {\n      var funcName = getFuncName(func),\n          other = lodash[funcName];\n\n      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n        return false;\n      }\n      if (func === other) {\n        return true;\n      }\n      var data = getData(other);\n      return !!data && func === data[0];\n    }\n\n    /**\n     * Checks if `func` has its source masked.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n     */\n    function isMasked(func) {\n      return !!maskSrcKey && (maskSrcKey in func);\n    }\n\n    /**\n     * Checks if `func` is capable of being masked.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n     */\n    var isMaskable = coreJsData ? isFunction : stubFalse;\n\n    /**\n     * Checks if `value` is likely a prototype object.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n     */\n    function isPrototype(value) {\n      var Ctor = value && value.constructor,\n          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n      return value === proto;\n    }\n\n    /**\n     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` if suitable for strict\n     *  equality comparisons, else `false`.\n     */\n    function isStrictComparable(value) {\n      return value === value && !isObject(value);\n    }\n\n    /**\n     * A specialized version of `matchesProperty` for source values suitable\n     * for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {string} key The key of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function matchesStrictComparable(key, srcValue) {\n      return function(object) {\n        if (object == null) {\n          return false;\n        }\n        return object[key] === srcValue &&\n          (srcValue !== undefined || (key in Object(object)));\n      };\n    }\n\n    /**\n     * A specialized version of `_.memoize` which clears the memoized function's\n     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n     *\n     * @private\n     * @param {Function} func The function to have its output memoized.\n     * @returns {Function} Returns the new memoized function.\n     */\n    function memoizeCapped(func) {\n      var result = memoize(func, function(key) {\n        if (cache.size === MAX_MEMOIZE_SIZE) {\n          cache.clear();\n        }\n        return key;\n      });\n\n      var cache = result.cache;\n      return result;\n    }\n\n    /**\n     * Merges the function metadata of `source` into `data`.\n     *\n     * Merging metadata reduces the number of wrappers used to invoke a function.\n     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n     * may be applied regardless of execution order. Methods like `_.ary` and\n     * `_.rearg` modify function arguments, making the order in which they are\n     * executed important, preventing the merging of metadata. However, we make\n     * an exception for a safe combined case where curried functions have `_.ary`\n     * and or `_.rearg` applied.\n     *\n     * @private\n     * @param {Array} data The destination metadata.\n     * @param {Array} source The source metadata.\n     * @returns {Array} Returns `data`.\n     */\n    function mergeData(data, source) {\n      var bitmask = data[1],\n          srcBitmask = source[1],\n          newBitmask = bitmask | srcBitmask,\n          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n      var isCombo =\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n      // Exit early if metadata can't be merged.\n      if (!(isCommon || isCombo)) {\n        return data;\n      }\n      // Use source `thisArg` if available.\n      if (srcBitmask & WRAP_BIND_FLAG) {\n        data[2] = source[2];\n        // Set when currying a bound function.\n        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n      }\n      // Compose partial arguments.\n      var value = source[3];\n      if (value) {\n        var partials = data[3];\n        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n      }\n      // Compose partial right arguments.\n      value = source[5];\n      if (value) {\n        partials = data[5];\n        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n      }\n      // Use source `argPos` if available.\n      value = source[7];\n      if (value) {\n        data[7] = value;\n      }\n      // Use source `ary` if it's smaller.\n      if (srcBitmask & WRAP_ARY_FLAG) {\n        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n      }\n      // Use source `arity` if one is not provided.\n      if (data[9] == null) {\n        data[9] = source[9];\n      }\n      // Use source `func` and merge bitmasks.\n      data[0] = source[0];\n      data[1] = newBitmask;\n\n      return data;\n    }\n\n    /**\n     * This function is like\n     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * except that it includes inherited enumerable properties.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function nativeKeysIn(object) {\n      var result = [];\n      if (object != null) {\n        for (var key in Object(object)) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a string using `Object.prototype.toString`.\n     *\n     * @private\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     */\n    function objectToString(value) {\n      return nativeObjectToString.call(value);\n    }\n\n    /**\n     * A specialized version of `baseRest` which transforms the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @param {Function} transform The rest array transform.\n     * @returns {Function} Returns the new function.\n     */\n    function overRest(func, start, transform) {\n      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n      return function() {\n        var args = arguments,\n            index = -1,\n            length = nativeMax(args.length - start, 0),\n            array = Array(length);\n\n        while (++index < length) {\n          array[index] = args[start + index];\n        }\n        index = -1;\n        var otherArgs = Array(start + 1);\n        while (++index < start) {\n          otherArgs[index] = args[index];\n        }\n        otherArgs[start] = transform(array);\n        return apply(func, this, otherArgs);\n      };\n    }\n\n    /**\n     * Gets the parent value at `path` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array} path The path to get the parent value of.\n     * @returns {*} Returns the parent value.\n     */\n    function parent(object, path) {\n      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n    }\n\n    /**\n     * Reorder `array` according to the specified indexes where the element at\n     * the first index is assigned as the first element, the element at\n     * the second index is assigned as the second element, and so on.\n     *\n     * @private\n     * @param {Array} array The array to reorder.\n     * @param {Array} indexes The arranged array indexes.\n     * @returns {Array} Returns `array`.\n     */\n    function reorder(array, indexes) {\n      var arrLength = array.length,\n          length = nativeMin(indexes.length, arrLength),\n          oldArray = copyArray(array);\n\n      while (length--) {\n        var index = indexes[length];\n        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n      }\n      return array;\n    }\n\n    /**\n     * Sets metadata for `func`.\n     *\n     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n     * period of time, it will trip its breaker and transition to an identity\n     * function to avoid garbage collection pauses in V8. See\n     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n     * for more details.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var setData = shortOut(baseSetData);\n\n    /**\n     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    var setTimeout = ctxSetTimeout || function(func, wait) {\n      return root.setTimeout(func, wait);\n    };\n\n    /**\n     * Sets the `toString` method of `func` to return `string`.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var setToString = shortOut(baseSetToString);\n\n    /**\n     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n     * with wrapper details in a comment at the top of the source body.\n     *\n     * @private\n     * @param {Function} wrapper The function to modify.\n     * @param {Function} reference The reference function.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Function} Returns `wrapper`.\n     */\n    function setWrapToString(wrapper, reference, bitmask) {\n      var source = (reference + '');\n      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n    }\n\n    /**\n     * Creates a function that'll short out and invoke `identity` instead\n     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n     * milliseconds.\n     *\n     * @private\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new shortable function.\n     */\n    function shortOut(func) {\n      var count = 0,\n          lastCalled = 0;\n\n      return function() {\n        var stamp = nativeNow(),\n            remaining = HOT_SPAN - (stamp - lastCalled);\n\n        lastCalled = stamp;\n        if (remaining > 0) {\n          if (++count >= HOT_COUNT) {\n            return arguments[0];\n          }\n        } else {\n          count = 0;\n        }\n        return func.apply(undefined, arguments);\n      };\n    }\n\n    /**\n     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @param {number} [size=array.length] The size of `array`.\n     * @returns {Array} Returns `array`.\n     */\n    function shuffleSelf(array, size) {\n      var index = -1,\n          length = array.length,\n          lastIndex = length - 1;\n\n      size = size === undefined ? length : size;\n      while (++index < size) {\n        var rand = baseRandom(index, lastIndex),\n            value = array[rand];\n\n        array[rand] = array[index];\n        array[index] = value;\n      }\n      array.length = size;\n      return array;\n    }\n\n    /**\n     * Converts `string` to a property path array.\n     *\n     * @private\n     * @param {string} string The string to convert.\n     * @returns {Array} Returns the property path array.\n     */\n    var stringToPath = memoizeCapped(function(string) {\n      var result = [];\n      if (reLeadingDot.test(string)) {\n        result.push('');\n      }\n      string.replace(rePropName, function(match, number, quote, string) {\n        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n      });\n      return result;\n    });\n\n    /**\n     * Converts `value` to a string key if it's not a string or symbol.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {string|symbol} Returns the key.\n     */\n    function toKey(value) {\n      if (typeof value == 'string' || isSymbol(value)) {\n        return value;\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * Converts `func` to its source code.\n     *\n     * @private\n     * @param {Function} func The function to convert.\n     * @returns {string} Returns the source code.\n     */\n    function toSource(func) {\n      if (func != null) {\n        try {\n          return funcToString.call(func);\n        } catch (e) {}\n        try {\n          return (func + '');\n        } catch (e) {}\n      }\n      return '';\n    }\n\n    /**\n     * Updates wrapper `details` based on `bitmask` flags.\n     *\n     * @private\n     * @returns {Array} details The details to modify.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Array} Returns `details`.\n     */\n    function updateWrapDetails(details, bitmask) {\n      arrayEach(wrapFlags, function(pair) {\n        var value = '_.' + pair[0];\n        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n          details.push(value);\n        }\n      });\n      return details.sort();\n    }\n\n    /**\n     * Creates a clone of `wrapper`.\n     *\n     * @private\n     * @param {Object} wrapper The wrapper to clone.\n     * @returns {Object} Returns the cloned wrapper.\n     */\n    function wrapperClone(wrapper) {\n      if (wrapper instanceof LazyWrapper) {\n        return wrapper.clone();\n      }\n      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n      result.__actions__ = copyArray(wrapper.__actions__);\n      result.__index__  = wrapper.__index__;\n      result.__values__ = wrapper.__values__;\n      return result;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of elements split into groups the length of `size`.\n     * If `array` can't be split evenly, the final chunk will be the remaining\n     * elements.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to process.\n     * @param {number} [size=1] The length of each chunk\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the new array of chunks.\n     * @example\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 2);\n     * // => [['a', 'b'], ['c', 'd']]\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 3);\n     * // => [['a', 'b', 'c'], ['d']]\n     */\n    function chunk(array, size, guard) {\n      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n        size = 1;\n      } else {\n        size = nativeMax(toInteger(size), 0);\n      }\n      var length = array == null ? 0 : array.length;\n      if (!length || size < 1) {\n        return [];\n      }\n      var index = 0,\n          resIndex = 0,\n          result = Array(nativeCeil(length / size));\n\n      while (index < length) {\n        result[resIndex++] = baseSlice(array, index, (index += size));\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array with all falsey values removed. The values `false`, `null`,\n     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to compact.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.compact([0, 1, false, 2, '', 3]);\n     * // => [1, 2, 3]\n     */\n    function compact(array) {\n      var index = -1,\n          length = array == null ? 0 : array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index];\n        if (value) {\n          result[resIndex++] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates a new array concatenating `array` with any additional arrays\n     * and/or values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to concatenate.\n     * @param {...*} [values] The values to concatenate.\n     * @returns {Array} Returns the new concatenated array.\n     * @example\n     *\n     * var array = [1];\n     * var other = _.concat(array, 2, [3], [[4]]);\n     *\n     * console.log(other);\n     * // => [1, 2, 3, [4]]\n     *\n     * console.log(array);\n     * // => [1]\n     */\n    function concat() {\n      var length = arguments.length;\n      if (!length) {\n        return [];\n      }\n      var args = Array(length - 1),\n          array = arguments[0],\n          index = length;\n\n      while (index--) {\n        args[index - 1] = arguments[index];\n      }\n      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n    }\n\n    /**\n     * Creates an array of `array` values not included in the other given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.without, _.xor\n     * @example\n     *\n     * _.difference([2, 1], [2, 3]);\n     * // => [1]\n     */\n    var difference = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `iteratee` which\n     * is invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var differenceBy = baseRest(function(array, values) {\n      var iteratee = last(values);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `comparator`\n     * which is invoked to compare elements of `array` to `values`. The order and\n     * references of result values are determined by the first array. The comparator\n     * is invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     *\n     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }]\n     */\n    var differenceWith = baseRest(function(array, values) {\n      var comparator = last(values);\n      if (isArrayLikeObject(comparator)) {\n        comparator = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.drop([1, 2, 3]);\n     * // => [2, 3]\n     *\n     * _.drop([1, 2, 3], 2);\n     * // => [3]\n     *\n     * _.drop([1, 2, 3], 5);\n     * // => []\n     *\n     * _.drop([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function drop(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.dropRight([1, 2, 3]);\n     * // => [1, 2]\n     *\n     * _.dropRight([1, 2, 3], 2);\n     * // => [1]\n     *\n     * _.dropRight([1, 2, 3], 5);\n     * // => []\n     *\n     * _.dropRight([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function dropRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the end.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.dropRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropRightWhile(users, ['active', false]);\n     * // => objects for ['barney']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropRightWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the beginning.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.dropWhile(users, function(o) { return !o.active; });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropWhile(users, ['active', false]);\n     * // => objects for ['pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true)\n        : [];\n    }\n\n    /**\n     * Fills elements of `array` with `value` from `start` up to, but not\n     * including, `end`.\n     *\n     * **Note:** This method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Array\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.fill(array, 'a');\n     * console.log(array);\n     * // => ['a', 'a', 'a']\n     *\n     * _.fill(Array(3), 2);\n     * // => [2, 2, 2]\n     *\n     * _.fill([4, 6, 8, 10], '*', 1, 3);\n     * // => [4, '*', '*', 10]\n     */\n    function fill(array, value, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n        start = 0;\n        end = length;\n      }\n      return baseFill(array, value, start, end);\n    }\n\n    /**\n     * This method is like `_.find` except that it returns the index of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n     * // => 0\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findIndex(users, { 'user': 'fred', 'active': false });\n     * // => 1\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findIndex(users, ['active', false]);\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findIndex(users, 'active');\n     * // => 2\n     */\n    function findIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index);\n    }\n\n    /**\n     * This method is like `_.findIndex` except that it iterates over elements\n     * of `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n     * // => 2\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n     * // => 0\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastIndex(users, ['active', false]);\n     * // => 2\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastIndex(users, 'active');\n     * // => 0\n     */\n    function findLastIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length - 1;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = fromIndex < 0\n          ? nativeMax(length + index, 0)\n          : nativeMin(index, length - 1);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n    }\n\n    /**\n     * Flattens `array` a single level deep.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flatten([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, [3, [4]], 5]\n     */\n    function flatten(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, 1) : [];\n    }\n\n    /**\n     * Recursively flattens `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, 3, 4, 5]\n     */\n    function flattenDeep(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, INFINITY) : [];\n    }\n\n    /**\n     * Recursively flatten `array` up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * var array = [1, [2, [3, [4]], 5]];\n     *\n     * _.flattenDepth(array, 1);\n     * // => [1, 2, [3, [4]], 5]\n     *\n     * _.flattenDepth(array, 2);\n     * // => [1, 2, 3, [4], 5]\n     */\n    function flattenDepth(array, depth) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(array, depth);\n    }\n\n    /**\n     * The inverse of `_.toPairs`; this method returns an object composed\n     * from key-value `pairs`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} pairs The key-value pairs.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.fromPairs([['a', 1], ['b', 2]]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function fromPairs(pairs) {\n      var index = -1,\n          length = pairs == null ? 0 : pairs.length,\n          result = {};\n\n      while (++index < length) {\n        var pair = pairs[index];\n        result[pair[0]] = pair[1];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias first\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the first element of `array`.\n     * @example\n     *\n     * _.head([1, 2, 3]);\n     * // => 1\n     *\n     * _.head([]);\n     * // => undefined\n     */\n    function head(array) {\n      return (array && array.length) ? array[0] : undefined;\n    }\n\n    /**\n     * Gets the index at which the first occurrence of `value` is found in `array`\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. If `fromIndex` is negative, it's used as the\n     * offset from the end of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.indexOf([1, 2, 1, 2], 2);\n     * // => 1\n     *\n     * // Search from the `fromIndex`.\n     * _.indexOf([1, 2, 1, 2], 2, 2);\n     * // => 3\n     */\n    function indexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseIndexOf(array, value, index);\n    }\n\n    /**\n     * Gets all but the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.initial([1, 2, 3]);\n     * // => [1, 2]\n     */\n    function initial(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 0, -1) : [];\n    }\n\n    /**\n     * Creates an array of unique values that are included in all given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersection([2, 1], [2, 3]);\n     * // => [2]\n     */\n    var intersection = baseRest(function(arrays) {\n      var mapped = arrayMap(arrays, castArrayLikeObject);\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped)\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `iteratee`\n     * which is invoked for each element of each `arrays` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [2.1]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }]\n     */\n    var intersectionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      if (iteratee === last(mapped)) {\n        iteratee = undefined;\n      } else {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `comparator`\n     * which is invoked to compare elements of `arrays`. The order and references\n     * of result values are determined by the first array. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.intersectionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }]\n     */\n    var intersectionWith = baseRest(function(arrays) {\n      var comparator = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      if (comparator) {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Converts all elements in `array` into a string separated by `separator`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to convert.\n     * @param {string} [separator=','] The element separator.\n     * @returns {string} Returns the joined string.\n     * @example\n     *\n     * _.join(['a', 'b', 'c'], '~');\n     * // => 'a~b~c'\n     */\n    function join(array, separator) {\n      return array == null ? '' : nativeJoin.call(array, separator);\n    }\n\n    /**\n     * Gets the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the last element of `array`.\n     * @example\n     *\n     * _.last([1, 2, 3]);\n     * // => 3\n     */\n    function last(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? array[length - 1] : undefined;\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it iterates over elements of\n     * `array` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.lastIndexOf([1, 2, 1, 2], 2);\n     * // => 3\n     *\n     * // Search from the `fromIndex`.\n     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n     * // => 1\n     */\n    function lastIndexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n      }\n      return value === value\n        ? strictLastIndexOf(array, value, index)\n        : baseFindIndex(array, baseIsNaN, index, true);\n    }\n\n    /**\n     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n     * element from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.11.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=0] The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     *\n     * _.nth(array, 1);\n     * // => 'b'\n     *\n     * _.nth(array, -2);\n     * // => 'c';\n     */\n    function nth(array, n) {\n      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n    }\n\n    /**\n     * Removes all given values from `array` using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n     * to remove elements from an array by predicate.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...*} [values] The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pull(array, 'a', 'c');\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    var pull = baseRest(pullAll);\n\n    /**\n     * This method is like `_.pull` except that it accepts an array of values to remove.\n     *\n     * **Note:** Unlike `_.difference`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pullAll(array, ['a', 'c']);\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    function pullAll(array, values) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values)\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n     * invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The iteratee is invoked with one argument: (value).\n     *\n     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n     *\n     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n     * console.log(array);\n     * // => [{ 'x': 2 }]\n     */\n    function pullAllBy(array, values, iteratee) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, getIteratee(iteratee, 2))\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `comparator` which\n     * is invoked to compare elements of `array` to `values`. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n     *\n     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n     * console.log(array);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n     */\n    function pullAllWith(array, values, comparator) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, undefined, comparator)\n        : array;\n    }\n\n    /**\n     * Removes elements from `array` corresponding to `indexes` and returns an\n     * array of removed elements.\n     *\n     * **Note:** Unlike `_.at`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     * var pulled = _.pullAt(array, [1, 3]);\n     *\n     * console.log(array);\n     * // => ['a', 'c']\n     *\n     * console.log(pulled);\n     * // => ['b', 'd']\n     */\n    var pullAt = flatRest(function(array, indexes) {\n      var length = array == null ? 0 : array.length,\n          result = baseAt(array, indexes);\n\n      basePullAt(array, arrayMap(indexes, function(index) {\n        return isIndex(index, length) ? +index : index;\n      }).sort(compareAscending));\n\n      return result;\n    });\n\n    /**\n     * Removes all elements from `array` that `predicate` returns truthy for\n     * and returns an array of the removed elements. The predicate is invoked\n     * with three arguments: (value, index, array).\n     *\n     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n     * to pull elements from an array by value.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = [1, 2, 3, 4];\n     * var evens = _.remove(array, function(n) {\n     *   return n % 2 == 0;\n     * });\n     *\n     * console.log(array);\n     * // => [1, 3]\n     *\n     * console.log(evens);\n     * // => [2, 4]\n     */\n    function remove(array, predicate) {\n      var result = [];\n      if (!(array && array.length)) {\n        return result;\n      }\n      var index = -1,\n          indexes = [],\n          length = array.length;\n\n      predicate = getIteratee(predicate, 3);\n      while (++index < length) {\n        var value = array[index];\n        if (predicate(value, index, array)) {\n          result.push(value);\n          indexes.push(index);\n        }\n      }\n      basePullAt(array, indexes);\n      return result;\n    }\n\n    /**\n     * Reverses `array` so that the first element becomes the last, the second\n     * element becomes the second to last, and so on.\n     *\n     * **Note:** This method mutates `array` and is based on\n     * [`Array#reverse`](https://mdn.io/Array/reverse).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.reverse(array);\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function reverse(array) {\n      return array == null ? array : nativeReverse.call(array);\n    }\n\n    /**\n     * Creates a slice of `array` from `start` up to, but not including, `end`.\n     *\n     * **Note:** This method is used instead of\n     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n     * returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function slice(array, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n        start = 0;\n        end = length;\n      }\n      else {\n        start = start == null ? 0 : toInteger(start);\n        end = end === undefined ? length : toInteger(end);\n      }\n      return baseSlice(array, start, end);\n    }\n\n    /**\n     * Uses a binary search to determine the lowest index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedIndex([30, 50], 40);\n     * // => 1\n     */\n    function sortedIndex(array, value) {\n      return baseSortedIndex(array, value);\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 0\n     */\n    function sortedIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 1\n     */\n    function sortedIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value);\n        if (index < length && eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it returns the highest\n     * index at which `value` should be inserted into `array` in order to\n     * maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n     * // => 4\n     */\n    function sortedLastIndex(array, value) {\n      return baseSortedIndex(array, value, true);\n    }\n\n    /**\n     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 1\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 1\n     */\n    function sortedLastIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n    }\n\n    /**\n     * This method is like `_.lastIndexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 3\n     */\n    function sortedLastIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value, true) - 1;\n        if (eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.uniq` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniq([1, 1, 2]);\n     * // => [1, 2]\n     */\n    function sortedUniq(array) {\n      return (array && array.length)\n        ? baseSortedUniq(array)\n        : [];\n    }\n\n    /**\n     * This method is like `_.uniqBy` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n     * // => [1.1, 2.3]\n     */\n    function sortedUniqBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n        : [];\n    }\n\n    /**\n     * Gets all but the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.tail([1, 2, 3]);\n     * // => [2, 3]\n     */\n    function tail(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 1, length) : [];\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.take([1, 2, 3]);\n     * // => [1]\n     *\n     * _.take([1, 2, 3], 2);\n     * // => [1, 2]\n     *\n     * _.take([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.take([1, 2, 3], 0);\n     * // => []\n     */\n    function take(array, n, guard) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.takeRight([1, 2, 3]);\n     * // => [3]\n     *\n     * _.takeRight([1, 2, 3], 2);\n     * // => [2, 3]\n     *\n     * _.takeRight([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.takeRight([1, 2, 3], 0);\n     * // => []\n     */\n    function takeRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the end. Elements are\n     * taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.takeRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeRightWhile(users, ['active', false]);\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeRightWhile(users, 'active');\n     * // => []\n     */\n    function takeRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the beginning. Elements\n     * are taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.takeWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeWhile(users, ['active', false]);\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeWhile(users, 'active');\n     * // => []\n     */\n    function takeWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3))\n        : [];\n    }\n\n    /**\n     * Creates an array of unique values, in order, from all given arrays using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.union([2], [1, 2]);\n     * // => [2, 1]\n     */\n    var union = baseRest(function(arrays) {\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which uniqueness is computed. Result values are chosen from the first\n     * array in which the value occurs. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    var unionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `comparator` which\n     * is invoked to compare elements of `arrays`. Result values are chosen from\n     * the first array in which the value occurs. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.unionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var unionWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n    });\n\n    /**\n     * Creates a duplicate-free version of an array, using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons, in which only the first occurrence of each element\n     * is kept. The order of result values is determined by the order they occur\n     * in the array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniq([2, 1, 2]);\n     * // => [2, 1]\n     */\n    function uniq(array) {\n      return (array && array.length) ? baseUniq(array) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * uniqueness is computed. The order of result values is determined by the\n     * order they occur in the array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    function uniqBy(array, iteratee) {\n      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `comparator` which\n     * is invoked to compare elements of `array`. The order of result values is\n     * determined by the order they occur in the array.The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.uniqWith(objects, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n     */\n    function uniqWith(array, comparator) {\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts an array of grouped\n     * elements and creates an array regrouping the elements to their pre-zip\n     * configuration.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.2.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     *\n     * _.unzip(zipped);\n     * // => [['a', 'b'], [1, 2], [true, false]]\n     */\n    function unzip(array) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var length = 0;\n      array = arrayFilter(array, function(group) {\n        if (isArrayLikeObject(group)) {\n          length = nativeMax(group.length, length);\n          return true;\n        }\n      });\n      return baseTimes(length, function(index) {\n        return arrayMap(array, baseProperty(index));\n      });\n    }\n\n    /**\n     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n     * how regrouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  regrouped values.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n     * // => [[1, 10, 100], [2, 20, 200]]\n     *\n     * _.unzipWith(zipped, _.add);\n     * // => [3, 30, 300]\n     */\n    function unzipWith(array, iteratee) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var result = unzip(array);\n      if (iteratee == null) {\n        return result;\n      }\n      return arrayMap(result, function(group) {\n        return apply(iteratee, undefined, group);\n      });\n    }\n\n    /**\n     * Creates an array excluding all given values using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.pull`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...*} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.xor\n     * @example\n     *\n     * _.without([2, 1, 2, 3], 1, 2);\n     * // => [3]\n     */\n    var without = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, values)\n        : [];\n    });\n\n    /**\n     * Creates an array of unique values that is the\n     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n     * of the given arrays. The order of result values is determined by the order\n     * they occur in the arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.without\n     * @example\n     *\n     * _.xor([2, 1], [2, 3]);\n     * // => [1, 3]\n     */\n    var xor = baseRest(function(arrays) {\n      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which by which they're compared. The order of result values is determined\n     * by the order they occur in the arrays. The iteratee is invoked with one\n     * argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2, 3.4]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var xorBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `comparator` which is\n     * invoked to compare elements of `arrays`. The order of result values is\n     * determined by the order they occur in the arrays. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.xorWith(objects, others, _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var xorWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n    });\n\n    /**\n     * Creates an array of grouped elements, the first of which contains the\n     * first elements of the given arrays, the second of which contains the\n     * second elements of the given arrays, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     */\n    var zip = baseRest(unzip);\n\n    /**\n     * This method is like `_.fromPairs` except that it accepts two arrays,\n     * one of property identifiers and one of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.4.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObject(['a', 'b'], [1, 2]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function zipObject(props, values) {\n      return baseZipObject(props || [], values || [], assignValue);\n    }\n\n    /**\n     * This method is like `_.zipObject` except that it supports property paths.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n     */\n    function zipObjectDeep(props, values) {\n      return baseZipObject(props || [], values || [], baseSet);\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts `iteratee` to specify\n     * how grouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  grouped values.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n     *   return a + b + c;\n     * });\n     * // => [111, 222]\n     */\n    var zipWith = baseRest(function(arrays) {\n      var length = arrays.length,\n          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n      return unzipWith(arrays, iteratee);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n     * chain sequences enabled. The result of such sequences must be unwrapped\n     * with `_#value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Seq\n     * @param {*} value The value to wrap.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36 },\n     *   { 'user': 'fred',    'age': 40 },\n     *   { 'user': 'pebbles', 'age': 1 }\n     * ];\n     *\n     * var youngest = _\n     *   .chain(users)\n     *   .sortBy('age')\n     *   .map(function(o) {\n     *     return o.user + ' is ' + o.age;\n     *   })\n     *   .head()\n     *   .value();\n     * // => 'pebbles is 1'\n     */\n    function chain(value) {\n      var result = lodash(value);\n      result.__chain__ = true;\n      return result;\n    }\n\n    /**\n     * This method invokes `interceptor` and returns `value`. The interceptor\n     * is invoked with one argument; (value). The purpose of this method is to\n     * \"tap into\" a method chain sequence in order to modify intermediate results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * _([1, 2, 3])\n     *  .tap(function(array) {\n     *    // Mutate input array.\n     *    array.pop();\n     *  })\n     *  .reverse()\n     *  .value();\n     * // => [2, 1]\n     */\n    function tap(value, interceptor) {\n      interceptor(value);\n      return value;\n    }\n\n    /**\n     * This method is like `_.tap` except that it returns the result of `interceptor`.\n     * The purpose of this method is to \"pass thru\" values replacing intermediate\n     * results in a method chain sequence.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns the result of `interceptor`.\n     * @example\n     *\n     * _('  abc  ')\n     *  .chain()\n     *  .trim()\n     *  .thru(function(value) {\n     *    return [value];\n     *  })\n     *  .value();\n     * // => ['abc']\n     */\n    function thru(value, interceptor) {\n      return interceptor(value);\n    }\n\n    /**\n     * This method is the wrapper version of `_.at`.\n     *\n     * @name at\n     * @memberOf _\n     * @since 1.0.0\n     * @category Seq\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _(object).at(['a[0].b.c', 'a[1]']).value();\n     * // => [3, 4]\n     */\n    var wrapperAt = flatRest(function(paths) {\n      var length = paths.length,\n          start = length ? paths[0] : 0,\n          value = this.__wrapped__,\n          interceptor = function(object) { return baseAt(object, paths); };\n\n      if (length > 1 || this.__actions__.length ||\n          !(value instanceof LazyWrapper) || !isIndex(start)) {\n        return this.thru(interceptor);\n      }\n      value = value.slice(start, +start + (length ? 1 : 0));\n      value.__actions__.push({\n        'func': thru,\n        'args': [interceptor],\n        'thisArg': undefined\n      });\n      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n        if (length && !array.length) {\n          array.push(undefined);\n        }\n        return array;\n      });\n    });\n\n    /**\n     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n     *\n     * @name chain\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 }\n     * ];\n     *\n     * // A sequence without explicit chaining.\n     * _(users).head();\n     * // => { 'user': 'barney', 'age': 36 }\n     *\n     * // A sequence with explicit chaining.\n     * _(users)\n     *   .chain()\n     *   .head()\n     *   .pick('user')\n     *   .value();\n     * // => { 'user': 'barney' }\n     */\n    function wrapperChain() {\n      return chain(this);\n    }\n\n    /**\n     * Executes the chain sequence and returns the wrapped result.\n     *\n     * @name commit\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2];\n     * var wrapped = _(array).push(3);\n     *\n     * console.log(array);\n     * // => [1, 2]\n     *\n     * wrapped = wrapped.commit();\n     * console.log(array);\n     * // => [1, 2, 3]\n     *\n     * wrapped.last();\n     * // => 3\n     *\n     * console.log(array);\n     * // => [1, 2, 3]\n     */\n    function wrapperCommit() {\n      return new LodashWrapper(this.value(), this.__chain__);\n    }\n\n    /**\n     * Gets the next value on a wrapped object following the\n     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n     *\n     * @name next\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the next iterator value.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 1 }\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 2 }\n     *\n     * wrapped.next();\n     * // => { 'done': true, 'value': undefined }\n     */\n    function wrapperNext() {\n      if (this.__values__ === undefined) {\n        this.__values__ = toArray(this.value());\n      }\n      var done = this.__index__ >= this.__values__.length,\n          value = done ? undefined : this.__values__[this.__index__++];\n\n      return { 'done': done, 'value': value };\n    }\n\n    /**\n     * Enables the wrapper to be iterable.\n     *\n     * @name Symbol.iterator\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the wrapper object.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped[Symbol.iterator]() === wrapped;\n     * // => true\n     *\n     * Array.from(wrapped);\n     * // => [1, 2]\n     */\n    function wrapperToIterator() {\n      return this;\n    }\n\n    /**\n     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n     *\n     * @name plant\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @param {*} value The value to plant.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2]).map(square);\n     * var other = wrapped.plant([3, 4]);\n     *\n     * other.value();\n     * // => [9, 16]\n     *\n     * wrapped.value();\n     * // => [1, 4]\n     */\n    function wrapperPlant(value) {\n      var result,\n          parent = this;\n\n      while (parent instanceof baseLodash) {\n        var clone = wrapperClone(parent);\n        clone.__index__ = 0;\n        clone.__values__ = undefined;\n        if (result) {\n          previous.__wrapped__ = clone;\n        } else {\n          result = clone;\n        }\n        var previous = clone;\n        parent = parent.__wrapped__;\n      }\n      previous.__wrapped__ = value;\n      return result;\n    }\n\n    /**\n     * This method is the wrapper version of `_.reverse`.\n     *\n     * **Note:** This method mutates the wrapped array.\n     *\n     * @name reverse\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _(array).reverse().value()\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function wrapperReverse() {\n      var value = this.__wrapped__;\n      if (value instanceof LazyWrapper) {\n        var wrapped = value;\n        if (this.__actions__.length) {\n          wrapped = new LazyWrapper(this);\n        }\n        wrapped = wrapped.reverse();\n        wrapped.__actions__.push({\n          'func': thru,\n          'args': [reverse],\n          'thisArg': undefined\n        });\n        return new LodashWrapper(wrapped, this.__chain__);\n      }\n      return this.thru(reverse);\n    }\n\n    /**\n     * Executes the chain sequence to resolve the unwrapped value.\n     *\n     * @name value\n     * @memberOf _\n     * @since 0.1.0\n     * @alias toJSON, valueOf\n     * @category Seq\n     * @returns {*} Returns the resolved unwrapped value.\n     * @example\n     *\n     * _([1, 2, 3]).value();\n     * // => [1, 2, 3]\n     */\n    function wrapperValue() {\n      return baseWrapperValue(this.__wrapped__, this.__actions__);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the number of times the key was returned by `iteratee`. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': 1, '6': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.countBy(['one', 'two', 'three'], 'length');\n     * // => { '3': 2, '5': 1 }\n     */\n    var countBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        ++result[key];\n      } else {\n        baseAssignValue(result, key, 1);\n      }\n    });\n\n    /**\n     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n     * Iteration is stopped once `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * **Note:** This method returns `true` for\n     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n     * elements of empty collections.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.every([true, 1, null, 'yes'], Boolean);\n     * // => false\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.every(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.every(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.every(users, 'active');\n     * // => false\n     */\n    function every(collection, predicate, guard) {\n      var func = isArray(collection) ? arrayEvery : baseEvery;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning an array of all elements\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * **Note:** Unlike `_.remove`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.reject\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * _.filter(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, { 'age': 36, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.filter(users, 'active');\n     * // => objects for ['barney']\n     */\n    function filter(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning the first element\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': true },\n     *   { 'user': 'fred',    'age': 40, 'active': false },\n     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n     * ];\n     *\n     * _.find(users, function(o) { return o.age < 40; });\n     * // => object for 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.find(users, { 'age': 1, 'active': true });\n     * // => object for 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.find(users, ['active', false]);\n     * // => object for 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.find(users, 'active');\n     * // => object for 'barney'\n     */\n    var find = createFind(findIndex);\n\n    /**\n     * This method is like `_.find` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=collection.length-1] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * _.findLast([1, 2, 3, 4], function(n) {\n     *   return n % 2 == 1;\n     * });\n     * // => 3\n     */\n    var findLast = createFind(findLastIndex);\n\n    /**\n     * Creates a flattened array of values by running each element in `collection`\n     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n     * with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [n, n];\n     * }\n     *\n     * _.flatMap([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMap(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), 1);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDeep([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMapDeep(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), INFINITY);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDepth([1, 2], duplicate, 2);\n     * // => [[1, 1], [2, 2]]\n     */\n    function flatMapDepth(collection, iteratee, depth) {\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(map(collection, iteratee), depth);\n    }\n\n    /**\n     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n     * The iteratee is invoked with three arguments: (value, index|key, collection).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n     * or `_.forOwn` for object iteration.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias each\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEachRight\n     * @example\n     *\n     * _.forEach([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `1` then `2`.\n     *\n     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forEach(collection, iteratee) {\n      var func = isArray(collection) ? arrayEach : baseEach;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forEach` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @alias eachRight\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEach\n     * @example\n     *\n     * _.forEachRight([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `2` then `1`.\n     */\n    function forEachRight(collection, iteratee) {\n      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The order of grouped values\n     * is determined by the order they occur in `collection`. The corresponding\n     * value of each key is an array of elements responsible for generating the\n     * key. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': [4.2], '6': [6.1, 6.3] }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.groupBy(['one', 'two', 'three'], 'length');\n     * // => { '3': ['one', 'two'], '5': ['three'] }\n     */\n    var groupBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        result[key].push(value);\n      } else {\n        baseAssignValue(result, key, [value]);\n      }\n    });\n\n    /**\n     * Checks if `value` is in `collection`. If `collection` is a string, it's\n     * checked for a substring of `value`, otherwise\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n     * the offset from the end of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n     * @example\n     *\n     * _.includes([1, 2, 3], 1);\n     * // => true\n     *\n     * _.includes([1, 2, 3], 1, 2);\n     * // => false\n     *\n     * _.includes({ 'a': 1, 'b': 2 }, 1);\n     * // => true\n     *\n     * _.includes('abcd', 'bc');\n     * // => true\n     */\n    function includes(collection, value, fromIndex, guard) {\n      collection = isArrayLike(collection) ? collection : values(collection);\n      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n      var length = collection.length;\n      if (fromIndex < 0) {\n        fromIndex = nativeMax(length + fromIndex, 0);\n      }\n      return isString(collection)\n        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n    }\n\n    /**\n     * Invokes the method at `path` of each element in `collection`, returning\n     * an array of the results of each invoked method. Any additional arguments\n     * are provided to each invoked method. If `path` is a function, it's invoked\n     * for, and `this` bound to, each element in `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array|Function|string} path The path of the method to invoke or\n     *  the function invoked per iteration.\n     * @param {...*} [args] The arguments to invoke each method with.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n     * // => [[1, 5, 7], [1, 2, 3]]\n     *\n     * _.invokeMap([123, 456], String.prototype.split, '');\n     * // => [['1', '2', '3'], ['4', '5', '6']]\n     */\n    var invokeMap = baseRest(function(collection, path, args) {\n      var index = -1,\n          isFunc = typeof path == 'function',\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value) {\n        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n      });\n      return result;\n    });\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the last element responsible for generating the key. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * var array = [\n     *   { 'dir': 'left', 'code': 97 },\n     *   { 'dir': 'right', 'code': 100 }\n     * ];\n     *\n     * _.keyBy(array, function(o) {\n     *   return String.fromCharCode(o.code);\n     * });\n     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n     *\n     * _.keyBy(array, 'dir');\n     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n     */\n    var keyBy = createAggregator(function(result, value, key) {\n      baseAssignValue(result, key, value);\n    });\n\n    /**\n     * Creates an array of values by running each element in `collection` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n     *\n     * The guarded methods are:\n     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * _.map([4, 8], square);\n     * // => [16, 64]\n     *\n     * _.map({ 'a': 4, 'b': 8 }, square);\n     * // => [16, 64] (iteration order is not guaranteed)\n     *\n     * var users = [\n     *   { 'user': 'barney' },\n     *   { 'user': 'fred' }\n     * ];\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, 'user');\n     * // => ['barney', 'fred']\n     */\n    function map(collection, iteratee) {\n      var func = isArray(collection) ? arrayMap : baseMap;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.sortBy` except that it allows specifying the sort\n     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n     * descending or \"asc\" for ascending sort order of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @param {string[]} [orders] The sort orders of `iteratees`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 34 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 36 }\n     * ];\n     *\n     * // Sort by `user` in ascending order and by `age` in descending order.\n     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     */\n    function orderBy(collection, iteratees, orders, guard) {\n      if (collection == null) {\n        return [];\n      }\n      if (!isArray(iteratees)) {\n        iteratees = iteratees == null ? [] : [iteratees];\n      }\n      orders = guard ? undefined : orders;\n      if (!isArray(orders)) {\n        orders = orders == null ? [] : [orders];\n      }\n      return baseOrderBy(collection, iteratees, orders);\n    }\n\n    /**\n     * Creates an array of elements split into two groups, the first of which\n     * contains elements `predicate` returns truthy for, the second of which\n     * contains elements `predicate` returns falsey for. The predicate is\n     * invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of grouped elements.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': false },\n     *   { 'user': 'fred',    'age': 40, 'active': true },\n     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n     * ];\n     *\n     * _.partition(users, function(o) { return o.active; });\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.partition(users, { 'age': 1, 'active': false });\n     * // => objects for [['pebbles'], ['barney', 'fred']]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.partition(users, ['active', false]);\n     * // => objects for [['barney', 'pebbles'], ['fred']]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.partition(users, 'active');\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     */\n    var partition = createAggregator(function(result, value, key) {\n      result[key ? 0 : 1].push(value);\n    }, function() { return [[], []]; });\n\n    /**\n     * Reduces `collection` to a value which is the accumulated result of running\n     * each element in `collection` thru `iteratee`, where each successive\n     * invocation is supplied the return value of the previous. If `accumulator`\n     * is not given, the first element of `collection` is used as the initial\n     * value. The iteratee is invoked with four arguments:\n     * (accumulator, value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n     *\n     * The guarded methods are:\n     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n     * and `sortBy`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduceRight\n     * @example\n     *\n     * _.reduce([1, 2], function(sum, n) {\n     *   return sum + n;\n     * }, 0);\n     * // => 3\n     *\n     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     *   return result;\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n     */\n    function reduce(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduce : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n    }\n\n    /**\n     * This method is like `_.reduce` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduce\n     * @example\n     *\n     * var array = [[0, 1], [2, 3], [4, 5]];\n     *\n     * _.reduceRight(array, function(flattened, other) {\n     *   return flattened.concat(other);\n     * }, []);\n     * // => [4, 5, 2, 3, 0, 1]\n     */\n    function reduceRight(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n    }\n\n    /**\n     * The opposite of `_.filter`; this method returns the elements of `collection`\n     * that `predicate` does **not** return truthy for.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.filter\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': true }\n     * ];\n     *\n     * _.reject(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.reject(users, { 'age': 40, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.reject(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.reject(users, 'active');\n     * // => objects for ['barney']\n     */\n    function reject(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, negate(getIteratee(predicate, 3)));\n    }\n\n    /**\n     * Gets a random element from `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     * @example\n     *\n     * _.sample([1, 2, 3, 4]);\n     * // => 2\n     */\n    function sample(collection) {\n      var func = isArray(collection) ? arraySample : baseSample;\n      return func(collection);\n    }\n\n    /**\n     * Gets `n` random elements at unique keys from `collection` up to the\n     * size of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} [n=1] The number of elements to sample.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the random elements.\n     * @example\n     *\n     * _.sampleSize([1, 2, 3], 2);\n     * // => [3, 1]\n     *\n     * _.sampleSize([1, 2, 3], 4);\n     * // => [2, 3, 1]\n     */\n    function sampleSize(collection, n, guard) {\n      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n      return func(collection, n);\n    }\n\n    /**\n     * Creates an array of shuffled values, using a version of the\n     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     * @example\n     *\n     * _.shuffle([1, 2, 3, 4]);\n     * // => [4, 1, 3, 2]\n     */\n    function shuffle(collection) {\n      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n      return func(collection);\n    }\n\n    /**\n     * Gets the size of `collection` by returning its length for array-like\n     * values or the number of own enumerable string keyed properties for objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @returns {number} Returns the collection size.\n     * @example\n     *\n     * _.size([1, 2, 3]);\n     * // => 3\n     *\n     * _.size({ 'a': 1, 'b': 2 });\n     * // => 2\n     *\n     * _.size('pebbles');\n     * // => 7\n     */\n    function size(collection) {\n      if (collection == null) {\n        return 0;\n      }\n      if (isArrayLike(collection)) {\n        return isString(collection) ? stringSize(collection) : collection.length;\n      }\n      var tag = getTag(collection);\n      if (tag == mapTag || tag == setTag) {\n        return collection.size;\n      }\n      return baseKeys(collection).length;\n    }\n\n    /**\n     * Checks if `predicate` returns truthy for **any** element of `collection`.\n     * Iteration is stopped once `predicate` returns truthy. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.some([null, 0, 'yes', false], Boolean);\n     * // => true\n     *\n     * var users = [\n     *   { 'user': 'barney', 'active': true },\n     *   { 'user': 'fred',   'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.some(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.some(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.some(users, 'active');\n     * // => true\n     */\n    function some(collection, predicate, guard) {\n      var func = isArray(collection) ? arraySome : baseSome;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Creates an array of elements, sorted in ascending order by the results of\n     * running each element in a collection thru each iteratee. This method\n     * performs a stable sort, that is, it preserves the original sort order of\n     * equal elements. The iteratees are invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 34 }\n     * ];\n     *\n     * _.sortBy(users, [function(o) { return o.user; }]);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     *\n     * _.sortBy(users, ['user', 'age']);\n     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n     */\n    var sortBy = baseRest(function(collection, iteratees) {\n      if (collection == null) {\n        return [];\n      }\n      var length = iteratees.length;\n      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n        iteratees = [];\n      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n        iteratees = [iteratees[0]];\n      }\n      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Gets the timestamp of the number of milliseconds that have elapsed since\n     * the Unix epoch (1 January 1970 00:00:00 UTC).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Date\n     * @returns {number} Returns the timestamp.\n     * @example\n     *\n     * _.defer(function(stamp) {\n     *   console.log(_.now() - stamp);\n     * }, _.now());\n     * // => Logs the number of milliseconds it took for the deferred invocation.\n     */\n    var now = ctxNow || function() {\n      return root.Date.now();\n    };\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The opposite of `_.before`; this method creates a function that invokes\n     * `func` once it's called `n` or more times.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {number} n The number of calls before `func` is invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var saves = ['profile', 'settings'];\n     *\n     * var done = _.after(saves.length, function() {\n     *   console.log('done saving!');\n     * });\n     *\n     * _.forEach(saves, function(type) {\n     *   asyncSave({ 'type': type, 'complete': done });\n     * });\n     * // => Logs 'done saving!' after the two async saves have completed.\n     */\n    function after(n, func) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n < 1) {\n          return func.apply(this, arguments);\n        }\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func`, with up to `n` arguments,\n     * ignoring any additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @param {number} [n=func.length] The arity cap.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n     * // => [6, 8, 10]\n     */\n    function ary(func, n, guard) {\n      n = guard ? undefined : n;\n      n = (func && n == null) ? func.length : n;\n      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n    }\n\n    /**\n     * Creates a function that invokes `func`, with the `this` binding and arguments\n     * of the created function, while it's called less than `n` times. Subsequent\n     * calls to the created function return the result of the last `func` invocation.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {number} n The number of calls at which `func` is no longer invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * jQuery(element).on('click', _.before(5, addContactToList));\n     * // => Allows adding up to 4 contacts to the list.\n     */\n    function before(n, func) {\n      var result;\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n > 0) {\n          result = func.apply(this, arguments);\n        }\n        if (n <= 1) {\n          func = undefined;\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n     * and `partials` prepended to the arguments it receives.\n     *\n     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n     * property of bound functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to bind.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * function greet(greeting, punctuation) {\n     *   return greeting + ' ' + this.user + punctuation;\n     * }\n     *\n     * var object = { 'user': 'fred' };\n     *\n     * var bound = _.bind(greet, object, 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bind(greet, object, _, '!');\n     * bound('hi');\n     * // => 'hi fred!'\n     */\n    var bind = baseRest(function(func, thisArg, partials) {\n      var bitmask = WRAP_BIND_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bind));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(func, bitmask, thisArg, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes the method at `object[key]` with `partials`\n     * prepended to the arguments it receives.\n     *\n     * This method differs from `_.bind` by allowing bound functions to reference\n     * methods that may be redefined or don't yet exist. See\n     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n     * for more details.\n     *\n     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Function\n     * @param {Object} object The object to invoke the method on.\n     * @param {string} key The key of the method.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * var object = {\n     *   'user': 'fred',\n     *   'greet': function(greeting, punctuation) {\n     *     return greeting + ' ' + this.user + punctuation;\n     *   }\n     * };\n     *\n     * var bound = _.bindKey(object, 'greet', 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * object.greet = function(greeting, punctuation) {\n     *   return greeting + 'ya ' + this.user + punctuation;\n     * };\n     *\n     * bound('!');\n     * // => 'hiya fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bindKey(object, 'greet', _, '!');\n     * bound('hi');\n     * // => 'hiya fred!'\n     */\n    var bindKey = baseRest(function(object, key, partials) {\n      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bindKey));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(key, bitmask, object, partials, holders);\n    });\n\n    /**\n     * Creates a function that accepts arguments of `func` and either invokes\n     * `func` returning its result, if at least `arity` number of arguments have\n     * been provided, or returns a function that accepts the remaining `func`\n     * arguments, and so on. The arity of `func` may be specified if `func.length`\n     * is not sufficient.\n     *\n     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curry(abc);\n     *\n     * curried(1)(2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(1)(_, 3)(2);\n     * // => [1, 2, 3]\n     */\n    function curry(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curry.placeholder;\n      return result;\n    }\n\n    /**\n     * This method is like `_.curry` except that arguments are applied to `func`\n     * in the manner of `_.partialRight` instead of `_.partial`.\n     *\n     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curryRight(abc);\n     *\n     * curried(3)(2)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(2, 3)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(3)(1, _)(2);\n     * // => [1, 2, 3]\n     */\n    function curryRight(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curryRight.placeholder;\n      return result;\n    }\n\n    /**\n     * Creates a debounced function that delays invoking `func` until after `wait`\n     * milliseconds have elapsed since the last time the debounced function was\n     * invoked. The debounced function comes with a `cancel` method to cancel\n     * delayed `func` invocations and a `flush` method to immediately invoke them.\n     * Provide `options` to indicate whether `func` should be invoked on the\n     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n     * with the last arguments provided to the debounced function. Subsequent\n     * calls to the debounced function return the result of the last `func`\n     * invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the debounced function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.debounce` and `_.throttle`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to debounce.\n     * @param {number} [wait=0] The number of milliseconds to delay.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=false]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {number} [options.maxWait]\n     *  The maximum time `func` is allowed to be delayed before it's invoked.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new debounced function.\n     * @example\n     *\n     * // Avoid costly calculations while the window size is in flux.\n     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n     *\n     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n     *   'leading': true,\n     *   'trailing': false\n     * }));\n     *\n     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n     * var source = new EventSource('/stream');\n     * jQuery(source).on('message', debounced);\n     *\n     * // Cancel the trailing debounced invocation.\n     * jQuery(window).on('popstate', debounced.cancel);\n     */\n    function debounce(func, wait, options) {\n      var lastArgs,\n          lastThis,\n          maxWait,\n          result,\n          timerId,\n          lastCallTime,\n          lastInvokeTime = 0,\n          leading = false,\n          maxing = false,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      wait = toNumber(wait) || 0;\n      if (isObject(options)) {\n        leading = !!options.leading;\n        maxing = 'maxWait' in options;\n        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n\n      function invokeFunc(time) {\n        var args = lastArgs,\n            thisArg = lastThis;\n\n        lastArgs = lastThis = undefined;\n        lastInvokeTime = time;\n        result = func.apply(thisArg, args);\n        return result;\n      }\n\n      function leadingEdge(time) {\n        // Reset any `maxWait` timer.\n        lastInvokeTime = time;\n        // Start the timer for the trailing edge.\n        timerId = setTimeout(timerExpired, wait);\n        // Invoke the leading edge.\n        return leading ? invokeFunc(time) : result;\n      }\n\n      function remainingWait(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime,\n            result = wait - timeSinceLastCall;\n\n        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n      }\n\n      function shouldInvoke(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime;\n\n        // Either this is the first call, activity has stopped and we're at the\n        // trailing edge, the system time has gone backwards and we're treating\n        // it as the trailing edge, or we've hit the `maxWait` limit.\n        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n      }\n\n      function timerExpired() {\n        var time = now();\n        if (shouldInvoke(time)) {\n          return trailingEdge(time);\n        }\n        // Restart the timer.\n        timerId = setTimeout(timerExpired, remainingWait(time));\n      }\n\n      function trailingEdge(time) {\n        timerId = undefined;\n\n        // Only invoke if we have `lastArgs` which means `func` has been\n        // debounced at least once.\n        if (trailing && lastArgs) {\n          return invokeFunc(time);\n        }\n        lastArgs = lastThis = undefined;\n        return result;\n      }\n\n      function cancel() {\n        if (timerId !== undefined) {\n          clearTimeout(timerId);\n        }\n        lastInvokeTime = 0;\n        lastArgs = lastCallTime = lastThis = timerId = undefined;\n      }\n\n      function flush() {\n        return timerId === undefined ? result : trailingEdge(now());\n      }\n\n      function debounced() {\n        var time = now(),\n            isInvoking = shouldInvoke(time);\n\n        lastArgs = arguments;\n        lastThis = this;\n        lastCallTime = time;\n\n        if (isInvoking) {\n          if (timerId === undefined) {\n            return leadingEdge(lastCallTime);\n          }\n          if (maxing) {\n            // Handle invocations in a tight loop.\n            timerId = setTimeout(timerExpired, wait);\n            return invokeFunc(lastCallTime);\n          }\n        }\n        if (timerId === undefined) {\n          timerId = setTimeout(timerExpired, wait);\n        }\n        return result;\n      }\n      debounced.cancel = cancel;\n      debounced.flush = flush;\n      return debounced;\n    }\n\n    /**\n     * Defers invoking the `func` until the current call stack has cleared. Any\n     * additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to defer.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.defer(function(text) {\n     *   console.log(text);\n     * }, 'deferred');\n     * // => Logs 'deferred' after one millisecond.\n     */\n    var defer = baseRest(function(func, args) {\n      return baseDelay(func, 1, args);\n    });\n\n    /**\n     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n     * provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.delay(function(text) {\n     *   console.log(text);\n     * }, 1000, 'later');\n     * // => Logs 'later' after one second.\n     */\n    var delay = baseRest(function(func, wait, args) {\n      return baseDelay(func, toNumber(wait) || 0, args);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments reversed.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to flip arguments for.\n     * @returns {Function} Returns the new flipped function.\n     * @example\n     *\n     * var flipped = _.flip(function() {\n     *   return _.toArray(arguments);\n     * });\n     *\n     * flipped('a', 'b', 'c', 'd');\n     * // => ['d', 'c', 'b', 'a']\n     */\n    function flip(func) {\n      return createWrap(func, WRAP_FLIP_FLAG);\n    }\n\n    /**\n     * Creates a function that memoizes the result of `func`. If `resolver` is\n     * provided, it determines the cache key for storing the result based on the\n     * arguments provided to the memoized function. By default, the first argument\n     * provided to the memoized function is used as the map cache key. The `func`\n     * is invoked with the `this` binding of the memoized function.\n     *\n     * **Note:** The cache is exposed as the `cache` property on the memoized\n     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n     * constructor with one whose instances implement the\n     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to have its output memoized.\n     * @param {Function} [resolver] The function to resolve the cache key.\n     * @returns {Function} Returns the new memoized function.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     * var other = { 'c': 3, 'd': 4 };\n     *\n     * var values = _.memoize(_.values);\n     * values(object);\n     * // => [1, 2]\n     *\n     * values(other);\n     * // => [3, 4]\n     *\n     * object.a = 2;\n     * values(object);\n     * // => [1, 2]\n     *\n     * // Modify the result cache.\n     * values.cache.set(object, ['a', 'b']);\n     * values(object);\n     * // => ['a', 'b']\n     *\n     * // Replace `_.memoize.Cache`.\n     * _.memoize.Cache = WeakMap;\n     */\n    function memoize(func, resolver) {\n      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var memoized = function() {\n        var args = arguments,\n            key = resolver ? resolver.apply(this, args) : args[0],\n            cache = memoized.cache;\n\n        if (cache.has(key)) {\n          return cache.get(key);\n        }\n        var result = func.apply(this, args);\n        memoized.cache = cache.set(key, result) || cache;\n        return result;\n      };\n      memoized.cache = new (memoize.Cache || MapCache);\n      return memoized;\n    }\n\n    // Expose `MapCache`.\n    memoize.Cache = MapCache;\n\n    /**\n     * Creates a function that negates the result of the predicate `func`. The\n     * `func` predicate is invoked with the `this` binding and arguments of the\n     * created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} predicate The predicate to negate.\n     * @returns {Function} Returns the new negated function.\n     * @example\n     *\n     * function isEven(n) {\n     *   return n % 2 == 0;\n     * }\n     *\n     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n     * // => [1, 3, 5]\n     */\n    function negate(predicate) {\n      if (typeof predicate != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return function() {\n        var args = arguments;\n        switch (args.length) {\n          case 0: return !predicate.call(this);\n          case 1: return !predicate.call(this, args[0]);\n          case 2: return !predicate.call(this, args[0], args[1]);\n          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n        }\n        return !predicate.apply(this, args);\n      };\n    }\n\n    /**\n     * Creates a function that is restricted to invoking `func` once. Repeat calls\n     * to the function return the value of the first invocation. The `func` is\n     * invoked with the `this` binding and arguments of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var initialize = _.once(createApplication);\n     * initialize();\n     * initialize();\n     * // => `createApplication` is invoked once\n     */\n    function once(func) {\n      return before(2, func);\n    }\n\n    /**\n     * Creates a function that invokes `func` with its arguments transformed.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to wrap.\n     * @param {...(Function|Function[])} [transforms=[_.identity]]\n     *  The argument transforms.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * function doubled(n) {\n     *   return n * 2;\n     * }\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var func = _.overArgs(function(x, y) {\n     *   return [x, y];\n     * }, [square, doubled]);\n     *\n     * func(9, 3);\n     * // => [81, 6]\n     *\n     * func(10, 5);\n     * // => [100, 10]\n     */\n    var overArgs = castRest(function(func, transforms) {\n      transforms = (transforms.length == 1 && isArray(transforms[0]))\n        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n      var funcsLength = transforms.length;\n      return baseRest(function(args) {\n        var index = -1,\n            length = nativeMin(args.length, funcsLength);\n\n        while (++index < length) {\n          args[index] = transforms[index].call(this, args[index]);\n        }\n        return apply(func, this, args);\n      });\n    });\n\n    /**\n     * Creates a function that invokes `func` with `partials` prepended to the\n     * arguments it receives. This method is like `_.bind` except it does **not**\n     * alter the `this` binding.\n     *\n     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.2.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var sayHelloTo = _.partial(greet, 'hello');\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     *\n     * // Partially applied with placeholders.\n     * var greetFred = _.partial(greet, _, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     */\n    var partial = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partial));\n      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * This method is like `_.partial` except that partially applied arguments\n     * are appended to the arguments it receives.\n     *\n     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var greetFred = _.partialRight(greet, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     *\n     * // Partially applied with placeholders.\n     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     */\n    var partialRight = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partialRight));\n      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments arranged according\n     * to the specified `indexes` where the argument value at the first index is\n     * provided as the first argument, the argument value at the second index is\n     * provided as the second argument, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to rearrange arguments for.\n     * @param {...(number|number[])} indexes The arranged argument indexes.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var rearged = _.rearg(function(a, b, c) {\n     *   return [a, b, c];\n     * }, [2, 0, 1]);\n     *\n     * rearged('b', 'c', 'a')\n     * // => ['a', 'b', 'c']\n     */\n    var rearg = flatRest(function(func, indexes) {\n      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n    });\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * created function and arguments from `start` and beyond provided as\n     * an array.\n     *\n     * **Note:** This method is based on the\n     * [rest parameter](https://mdn.io/rest_parameters).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.rest(function(what, names) {\n     *   return what + ' ' + _.initial(names).join(', ') +\n     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n     * });\n     *\n     * say('hello', 'fred', 'barney', 'pebbles');\n     * // => 'hello fred, barney, & pebbles'\n     */\n    function rest(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start === undefined ? start : toInteger(start);\n      return baseRest(func, start);\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * create function and an array of arguments much like\n     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n     *\n     * **Note:** This method is based on the\n     * [spread operator](https://mdn.io/spread_operator).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Function\n     * @param {Function} func The function to spread arguments over.\n     * @param {number} [start=0] The start position of the spread.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.spread(function(who, what) {\n     *   return who + ' says ' + what;\n     * });\n     *\n     * say(['fred', 'hello']);\n     * // => 'fred says hello'\n     *\n     * var numbers = Promise.all([\n     *   Promise.resolve(40),\n     *   Promise.resolve(36)\n     * ]);\n     *\n     * numbers.then(_.spread(function(x, y) {\n     *   return x + y;\n     * }));\n     * // => a Promise of 76\n     */\n    function spread(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n      return baseRest(function(args) {\n        var array = args[start],\n            otherArgs = castSlice(args, 0, start);\n\n        if (array) {\n          arrayPush(otherArgs, array);\n        }\n        return apply(func, this, otherArgs);\n      });\n    }\n\n    /**\n     * Creates a throttled function that only invokes `func` at most once per\n     * every `wait` milliseconds. The throttled function comes with a `cancel`\n     * method to cancel delayed `func` invocations and a `flush` method to\n     * immediately invoke them. Provide `options` to indicate whether `func`\n     * should be invoked on the leading and/or trailing edge of the `wait`\n     * timeout. The `func` is invoked with the last arguments provided to the\n     * throttled function. Subsequent calls to the throttled function return the\n     * result of the last `func` invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the throttled function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.throttle` and `_.debounce`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to throttle.\n     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=true]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new throttled function.\n     * @example\n     *\n     * // Avoid excessively updating the position while scrolling.\n     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n     *\n     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n     * jQuery(element).on('click', throttled);\n     *\n     * // Cancel the trailing throttled invocation.\n     * jQuery(window).on('popstate', throttled.cancel);\n     */\n    function throttle(func, wait, options) {\n      var leading = true,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      if (isObject(options)) {\n        leading = 'leading' in options ? !!options.leading : leading;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n      return debounce(func, wait, {\n        'leading': leading,\n        'maxWait': wait,\n        'trailing': trailing\n      });\n    }\n\n    /**\n     * Creates a function that accepts up to one argument, ignoring any\n     * additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.unary(parseInt));\n     * // => [6, 8, 10]\n     */\n    function unary(func) {\n      return ary(func, 1);\n    }\n\n    /**\n     * Creates a function that provides `value` to `wrapper` as its first\n     * argument. Any additional arguments provided to the function are appended\n     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n     * binding of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {*} value The value to wrap.\n     * @param {Function} [wrapper=identity] The wrapper function.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var p = _.wrap(_.escape, function(func, text) {\n     *   return '<p>' + func(text) + '</p>';\n     * });\n     *\n     * p('fred, barney, & pebbles');\n     * // => '<p>fred, barney, &amp; pebbles</p>'\n     */\n    function wrap(value, wrapper) {\n      return partial(castFunction(wrapper), value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Casts `value` as an array if it's not one.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Lang\n     * @param {*} value The value to inspect.\n     * @returns {Array} Returns the cast array.\n     * @example\n     *\n     * _.castArray(1);\n     * // => [1]\n     *\n     * _.castArray({ 'a': 1 });\n     * // => [{ 'a': 1 }]\n     *\n     * _.castArray('abc');\n     * // => ['abc']\n     *\n     * _.castArray(null);\n     * // => [null]\n     *\n     * _.castArray(undefined);\n     * // => [undefined]\n     *\n     * _.castArray();\n     * // => []\n     *\n     * var array = [1, 2, 3];\n     * console.log(_.castArray(array) === array);\n     * // => true\n     */\n    function castArray() {\n      if (!arguments.length) {\n        return [];\n      }\n      var value = arguments[0];\n      return isArray(value) ? value : [value];\n    }\n\n    /**\n     * Creates a shallow clone of `value`.\n     *\n     * **Note:** This method is loosely based on the\n     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n     * arrays. The own enumerable properties of `arguments` objects are cloned\n     * as plain objects. An empty object is returned for uncloneable values such\n     * as error objects, functions, DOM nodes, and WeakMaps.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeep\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var shallow = _.clone(objects);\n     * console.log(shallow[0] === objects[0]);\n     * // => true\n     */\n    function clone(value) {\n      return baseClone(value, CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.clone` except that it accepts `customizer` which\n     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n     * cloning is handled by the method instead. The `customizer` is invoked with\n     * up to four arguments; (value [, index|key, object, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeepWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(false);\n     *   }\n     * }\n     *\n     * var el = _.cloneWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 0\n     */\n    function cloneWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * This method is like `_.clone` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.clone\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var deep = _.cloneDeep(objects);\n     * console.log(deep[0] === objects[0]);\n     * // => false\n     */\n    function cloneDeep(value) {\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.cloneWith` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.cloneWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(true);\n     *   }\n     * }\n     *\n     * var el = _.cloneDeepWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 20\n     */\n    function cloneDeepWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * Checks if `object` conforms to `source` by invoking the predicate\n     * properties of `source` with the corresponding property values of `object`.\n     *\n     * **Note:** This method is equivalent to `_.conforms` when `source` is\n     * partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n     * // => true\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n     * // => false\n     */\n    function conformsTo(object, source) {\n      return source == null || baseConformsTo(object, source, keys(source));\n    }\n\n    /**\n     * Performs a\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * comparison between two values to determine if they are equivalent.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.eq(object, object);\n     * // => true\n     *\n     * _.eq(object, other);\n     * // => false\n     *\n     * _.eq('a', 'a');\n     * // => true\n     *\n     * _.eq('a', Object('a'));\n     * // => false\n     *\n     * _.eq(NaN, NaN);\n     * // => true\n     */\n    function eq(value, other) {\n      return value === other || (value !== value && other !== other);\n    }\n\n    /**\n     * Checks if `value` is greater than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     * @see _.lt\n     * @example\n     *\n     * _.gt(3, 1);\n     * // => true\n     *\n     * _.gt(3, 3);\n     * // => false\n     *\n     * _.gt(1, 3);\n     * // => false\n     */\n    var gt = createRelationalOperation(baseGt);\n\n    /**\n     * Checks if `value` is greater than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n     *  `other`, else `false`.\n     * @see _.lte\n     * @example\n     *\n     * _.gte(3, 1);\n     * // => true\n     *\n     * _.gte(3, 3);\n     * // => true\n     *\n     * _.gte(1, 3);\n     * // => false\n     */\n    var gte = createRelationalOperation(function(value, other) {\n      return value >= other;\n    });\n\n    /**\n     * Checks if `value` is likely an `arguments` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArguments(function() { return arguments; }());\n     * // => true\n     *\n     * _.isArguments([1, 2, 3]);\n     * // => false\n     */\n    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n        !propertyIsEnumerable.call(value, 'callee');\n    };\n\n    /**\n     * Checks if `value` is classified as an `Array` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n     * @example\n     *\n     * _.isArray([1, 2, 3]);\n     * // => true\n     *\n     * _.isArray(document.body.children);\n     * // => false\n     *\n     * _.isArray('abc');\n     * // => false\n     *\n     * _.isArray(_.noop);\n     * // => false\n     */\n    var isArray = Array.isArray;\n\n    /**\n     * Checks if `value` is classified as an `ArrayBuffer` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     * @example\n     *\n     * _.isArrayBuffer(new ArrayBuffer(2));\n     * // => true\n     *\n     * _.isArrayBuffer(new Array(2));\n     * // => false\n     */\n    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n    /**\n     * Checks if `value` is array-like. A value is considered array-like if it's\n     * not a function and has a `value.length` that's an integer greater than or\n     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n     * @example\n     *\n     * _.isArrayLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLike(document.body.children);\n     * // => true\n     *\n     * _.isArrayLike('abc');\n     * // => true\n     *\n     * _.isArrayLike(_.noop);\n     * // => false\n     */\n    function isArrayLike(value) {\n      return value != null && isLength(value.length) && !isFunction(value);\n    }\n\n    /**\n     * This method is like `_.isArrayLike` except that it also checks if `value`\n     * is an object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array-like object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArrayLikeObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLikeObject(document.body.children);\n     * // => true\n     *\n     * _.isArrayLikeObject('abc');\n     * // => false\n     *\n     * _.isArrayLikeObject(_.noop);\n     * // => false\n     */\n    function isArrayLikeObject(value) {\n      return isObjectLike(value) && isArrayLike(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a boolean primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n     * @example\n     *\n     * _.isBoolean(false);\n     * // => true\n     *\n     * _.isBoolean(null);\n     * // => false\n     */\n    function isBoolean(value) {\n      return value === true || value === false ||\n        (isObjectLike(value) && baseGetTag(value) == boolTag);\n    }\n\n    /**\n     * Checks if `value` is a buffer.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n     * @example\n     *\n     * _.isBuffer(new Buffer(2));\n     * // => true\n     *\n     * _.isBuffer(new Uint8Array(2));\n     * // => false\n     */\n    var isBuffer = nativeIsBuffer || stubFalse;\n\n    /**\n     * Checks if `value` is classified as a `Date` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     * @example\n     *\n     * _.isDate(new Date);\n     * // => true\n     *\n     * _.isDate('Mon April 23 2012');\n     * // => false\n     */\n    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n    /**\n     * Checks if `value` is likely a DOM element.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n     * @example\n     *\n     * _.isElement(document.body);\n     * // => true\n     *\n     * _.isElement('<body>');\n     * // => false\n     */\n    function isElement(value) {\n      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n    }\n\n    /**\n     * Checks if `value` is an empty object, collection, map, or set.\n     *\n     * Objects are considered empty if they have no own enumerable string keyed\n     * properties.\n     *\n     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n     * jQuery-like collections are considered empty if they have a `length` of `0`.\n     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n     * @example\n     *\n     * _.isEmpty(null);\n     * // => true\n     *\n     * _.isEmpty(true);\n     * // => true\n     *\n     * _.isEmpty(1);\n     * // => true\n     *\n     * _.isEmpty([1, 2, 3]);\n     * // => false\n     *\n     * _.isEmpty({ 'a': 1 });\n     * // => false\n     */\n    function isEmpty(value) {\n      if (value == null) {\n        return true;\n      }\n      if (isArrayLike(value) &&\n          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n        return !value.length;\n      }\n      var tag = getTag(value);\n      if (tag == mapTag || tag == setTag) {\n        return !value.size;\n      }\n      if (isPrototype(value)) {\n        return !baseKeys(value).length;\n      }\n      for (var key in value) {\n        if (hasOwnProperty.call(value, key)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * Performs a deep comparison between two values to determine if they are\n     * equivalent.\n     *\n     * **Note:** This method supports comparing arrays, array buffers, booleans,\n     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n     * by their own, not inherited, enumerable properties. Functions and DOM\n     * nodes are compared by strict equality, i.e. `===`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.isEqual(object, other);\n     * // => true\n     *\n     * object === other;\n     * // => false\n     */\n    function isEqual(value, other) {\n      return baseIsEqual(value, other);\n    }\n\n    /**\n     * This method is like `_.isEqual` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with up to\n     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, othValue) {\n     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var array = ['hello', 'goodbye'];\n     * var other = ['hi', 'goodbye'];\n     *\n     * _.isEqualWith(array, other, customizer);\n     * // => true\n     */\n    function isEqualWith(value, other, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      var result = customizer ? customizer(value, other) : undefined;\n      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n    }\n\n    /**\n     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n     * `SyntaxError`, `TypeError`, or `URIError` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n     * @example\n     *\n     * _.isError(new Error);\n     * // => true\n     *\n     * _.isError(Error);\n     * // => false\n     */\n    function isError(value) {\n      if (!isObjectLike(value)) {\n        return false;\n      }\n      var tag = baseGetTag(value);\n      return tag == errorTag || tag == domExcTag ||\n        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n    }\n\n    /**\n     * Checks if `value` is a finite primitive number.\n     *\n     * **Note:** This method is based on\n     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n     * @example\n     *\n     * _.isFinite(3);\n     * // => true\n     *\n     * _.isFinite(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isFinite(Infinity);\n     * // => false\n     *\n     * _.isFinite('3');\n     * // => false\n     */\n    function isFinite(value) {\n      return typeof value == 'number' && nativeIsFinite(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Function` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n     * @example\n     *\n     * _.isFunction(_);\n     * // => true\n     *\n     * _.isFunction(/abc/);\n     * // => false\n     */\n    function isFunction(value) {\n      if (!isObject(value)) {\n        return false;\n      }\n      // The use of `Object#toString` avoids issues with the `typeof` operator\n      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n      var tag = baseGetTag(value);\n      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n    }\n\n    /**\n     * Checks if `value` is an integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n     * @example\n     *\n     * _.isInteger(3);\n     * // => true\n     *\n     * _.isInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isInteger(Infinity);\n     * // => false\n     *\n     * _.isInteger('3');\n     * // => false\n     */\n    function isInteger(value) {\n      return typeof value == 'number' && value == toInteger(value);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like length.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n     * @example\n     *\n     * _.isLength(3);\n     * // => true\n     *\n     * _.isLength(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isLength(Infinity);\n     * // => false\n     *\n     * _.isLength('3');\n     * // => false\n     */\n    function isLength(value) {\n      return typeof value == 'number' &&\n        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is the\n     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n     * @example\n     *\n     * _.isObject({});\n     * // => true\n     *\n     * _.isObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isObject(_.noop);\n     * // => true\n     *\n     * _.isObject(null);\n     * // => false\n     */\n    function isObject(value) {\n      var type = typeof value;\n      return value != null && (type == 'object' || type == 'function');\n    }\n\n    /**\n     * Checks if `value` is object-like. A value is object-like if it's not `null`\n     * and has a `typeof` result of \"object\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n     * @example\n     *\n     * _.isObjectLike({});\n     * // => true\n     *\n     * _.isObjectLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isObjectLike(_.noop);\n     * // => false\n     *\n     * _.isObjectLike(null);\n     * // => false\n     */\n    function isObjectLike(value) {\n      return value != null && typeof value == 'object';\n    }\n\n    /**\n     * Checks if `value` is classified as a `Map` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     * @example\n     *\n     * _.isMap(new Map);\n     * // => true\n     *\n     * _.isMap(new WeakMap);\n     * // => false\n     */\n    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n    /**\n     * Performs a partial deep comparison between `object` and `source` to\n     * determine if `object` contains equivalent property values.\n     *\n     * **Note:** This method is equivalent to `_.matches` when `source` is\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.isMatch(object, { 'b': 2 });\n     * // => true\n     *\n     * _.isMatch(object, { 'b': 1 });\n     * // => false\n     */\n    function isMatch(object, source) {\n      return object === source || baseIsMatch(object, source, getMatchData(source));\n    }\n\n    /**\n     * This method is like `_.isMatch` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with five\n     * arguments: (objValue, srcValue, index|key, object, source).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var object = { 'greeting': 'hello' };\n     * var source = { 'greeting': 'hi' };\n     *\n     * _.isMatchWith(object, source, customizer);\n     * // => true\n     */\n    function isMatchWith(object, source, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseIsMatch(object, source, getMatchData(source), customizer);\n    }\n\n    /**\n     * Checks if `value` is `NaN`.\n     *\n     * **Note:** This method is based on\n     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n     * `undefined` and other non-number values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n     * @example\n     *\n     * _.isNaN(NaN);\n     * // => true\n     *\n     * _.isNaN(new Number(NaN));\n     * // => true\n     *\n     * isNaN(undefined);\n     * // => true\n     *\n     * _.isNaN(undefined);\n     * // => false\n     */\n    function isNaN(value) {\n      // An `NaN` primitive is the only value that is not equal to itself.\n      // Perform the `toStringTag` check first to avoid errors with some\n      // ActiveX objects in IE.\n      return isNumber(value) && value != +value;\n    }\n\n    /**\n     * Checks if `value` is a pristine native function.\n     *\n     * **Note:** This method can't reliably detect native functions in the presence\n     * of the core-js package because core-js circumvents this kind of detection.\n     * Despite multiple requests, the core-js maintainer has made it clear: any\n     * attempt to fix the detection will be obstructed. As a result, we're left\n     * with little choice but to throw an error. Unfortunately, this also affects\n     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n     * which rely on core-js.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     * @example\n     *\n     * _.isNative(Array.prototype.push);\n     * // => true\n     *\n     * _.isNative(_);\n     * // => false\n     */\n    function isNative(value) {\n      if (isMaskable(value)) {\n        throw new Error(CORE_ERROR_TEXT);\n      }\n      return baseIsNative(value);\n    }\n\n    /**\n     * Checks if `value` is `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n     * @example\n     *\n     * _.isNull(null);\n     * // => true\n     *\n     * _.isNull(void 0);\n     * // => false\n     */\n    function isNull(value) {\n      return value === null;\n    }\n\n    /**\n     * Checks if `value` is `null` or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n     * @example\n     *\n     * _.isNil(null);\n     * // => true\n     *\n     * _.isNil(void 0);\n     * // => true\n     *\n     * _.isNil(NaN);\n     * // => false\n     */\n    function isNil(value) {\n      return value == null;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Number` primitive or object.\n     *\n     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n     * classified as numbers, use the `_.isFinite` method.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n     * @example\n     *\n     * _.isNumber(3);\n     * // => true\n     *\n     * _.isNumber(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isNumber(Infinity);\n     * // => true\n     *\n     * _.isNumber('3');\n     * // => false\n     */\n    function isNumber(value) {\n      return typeof value == 'number' ||\n        (isObjectLike(value) && baseGetTag(value) == numberTag);\n    }\n\n    /**\n     * Checks if `value` is a plain object, that is, an object created by the\n     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.8.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * _.isPlainObject(new Foo);\n     * // => false\n     *\n     * _.isPlainObject([1, 2, 3]);\n     * // => false\n     *\n     * _.isPlainObject({ 'x': 0, 'y': 0 });\n     * // => true\n     *\n     * _.isPlainObject(Object.create(null));\n     * // => true\n     */\n    function isPlainObject(value) {\n      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n        return false;\n      }\n      var proto = getPrototype(value);\n      if (proto === null) {\n        return true;\n      }\n      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n        funcToString.call(Ctor) == objectCtorString;\n    }\n\n    /**\n     * Checks if `value` is classified as a `RegExp` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     * @example\n     *\n     * _.isRegExp(/abc/);\n     * // => true\n     *\n     * _.isRegExp('/abc/');\n     * // => false\n     */\n    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n    /**\n     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n     * double precision number which isn't the result of a rounded unsafe integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n     * @example\n     *\n     * _.isSafeInteger(3);\n     * // => true\n     *\n     * _.isSafeInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isSafeInteger(Infinity);\n     * // => false\n     *\n     * _.isSafeInteger('3');\n     * // => false\n     */\n    function isSafeInteger(value) {\n      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Set` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     * @example\n     *\n     * _.isSet(new Set);\n     * // => true\n     *\n     * _.isSet(new WeakSet);\n     * // => false\n     */\n    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n    /**\n     * Checks if `value` is classified as a `String` primitive or object.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n     * @example\n     *\n     * _.isString('abc');\n     * // => true\n     *\n     * _.isString(1);\n     * // => false\n     */\n    function isString(value) {\n      return typeof value == 'string' ||\n        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Symbol` primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n     * @example\n     *\n     * _.isSymbol(Symbol.iterator);\n     * // => true\n     *\n     * _.isSymbol('abc');\n     * // => false\n     */\n    function isSymbol(value) {\n      return typeof value == 'symbol' ||\n        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a typed array.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     * @example\n     *\n     * _.isTypedArray(new Uint8Array);\n     * // => true\n     *\n     * _.isTypedArray([]);\n     * // => false\n     */\n    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n    /**\n     * Checks if `value` is `undefined`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n     * @example\n     *\n     * _.isUndefined(void 0);\n     * // => true\n     *\n     * _.isUndefined(null);\n     * // => false\n     */\n    function isUndefined(value) {\n      return value === undefined;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakMap` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n     * @example\n     *\n     * _.isWeakMap(new WeakMap);\n     * // => true\n     *\n     * _.isWeakMap(new Map);\n     * // => false\n     */\n    function isWeakMap(value) {\n      return isObjectLike(value) && getTag(value) == weakMapTag;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakSet` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n     * @example\n     *\n     * _.isWeakSet(new WeakSet);\n     * // => true\n     *\n     * _.isWeakSet(new Set);\n     * // => false\n     */\n    function isWeakSet(value) {\n      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n    }\n\n    /**\n     * Checks if `value` is less than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     * @see _.gt\n     * @example\n     *\n     * _.lt(1, 3);\n     * // => true\n     *\n     * _.lt(3, 3);\n     * // => false\n     *\n     * _.lt(3, 1);\n     * // => false\n     */\n    var lt = createRelationalOperation(baseLt);\n\n    /**\n     * Checks if `value` is less than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than or equal to\n     *  `other`, else `false`.\n     * @see _.gte\n     * @example\n     *\n     * _.lte(1, 3);\n     * // => true\n     *\n     * _.lte(3, 3);\n     * // => true\n     *\n     * _.lte(3, 1);\n     * // => false\n     */\n    var lte = createRelationalOperation(function(value, other) {\n      return value <= other;\n    });\n\n    /**\n     * Converts `value` to an array.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the converted array.\n     * @example\n     *\n     * _.toArray({ 'a': 1, 'b': 2 });\n     * // => [1, 2]\n     *\n     * _.toArray('abc');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toArray(1);\n     * // => []\n     *\n     * _.toArray(null);\n     * // => []\n     */\n    function toArray(value) {\n      if (!value) {\n        return [];\n      }\n      if (isArrayLike(value)) {\n        return isString(value) ? stringToArray(value) : copyArray(value);\n      }\n      if (symIterator && value[symIterator]) {\n        return iteratorToArray(value[symIterator]());\n      }\n      var tag = getTag(value),\n          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n      return func(value);\n    }\n\n    /**\n     * Converts `value` to a finite number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.12.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted number.\n     * @example\n     *\n     * _.toFinite(3.2);\n     * // => 3.2\n     *\n     * _.toFinite(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toFinite(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toFinite('3.2');\n     * // => 3.2\n     */\n    function toFinite(value) {\n      if (!value) {\n        return value === 0 ? value : 0;\n      }\n      value = toNumber(value);\n      if (value === INFINITY || value === -INFINITY) {\n        var sign = (value < 0 ? -1 : 1);\n        return sign * MAX_INTEGER;\n      }\n      return value === value ? value : 0;\n    }\n\n    /**\n     * Converts `value` to an integer.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toInteger(3.2);\n     * // => 3\n     *\n     * _.toInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toInteger(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toInteger('3.2');\n     * // => 3\n     */\n    function toInteger(value) {\n      var result = toFinite(value),\n          remainder = result % 1;\n\n      return result === result ? (remainder ? result - remainder : result) : 0;\n    }\n\n    /**\n     * Converts `value` to an integer suitable for use as the length of an\n     * array-like object.\n     *\n     * **Note:** This method is based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toLength(3.2);\n     * // => 3\n     *\n     * _.toLength(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toLength(Infinity);\n     * // => 4294967295\n     *\n     * _.toLength('3.2');\n     * // => 3\n     */\n    function toLength(value) {\n      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n    }\n\n    /**\n     * Converts `value` to a number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     * @example\n     *\n     * _.toNumber(3.2);\n     * // => 3.2\n     *\n     * _.toNumber(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toNumber(Infinity);\n     * // => Infinity\n     *\n     * _.toNumber('3.2');\n     * // => 3.2\n     */\n    function toNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      if (isObject(value)) {\n        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n        value = isObject(other) ? (other + '') : other;\n      }\n      if (typeof value != 'string') {\n        return value === 0 ? value : +value;\n      }\n      value = value.replace(reTrim, '');\n      var isBinary = reIsBinary.test(value);\n      return (isBinary || reIsOctal.test(value))\n        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n        : (reIsBadHex.test(value) ? NAN : +value);\n    }\n\n    /**\n     * Converts `value` to a plain object flattening inherited enumerable string\n     * keyed properties of `value` to own properties of the plain object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Object} Returns the converted plain object.\n     * @example\n     *\n     * function Foo() {\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.assign({ 'a': 1 }, new Foo);\n     * // => { 'a': 1, 'b': 2 }\n     *\n     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n     * // => { 'a': 1, 'b': 2, 'c': 3 }\n     */\n    function toPlainObject(value) {\n      return copyObject(value, keysIn(value));\n    }\n\n    /**\n     * Converts `value` to a safe integer. A safe integer can be compared and\n     * represented correctly.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toSafeInteger(3.2);\n     * // => 3\n     *\n     * _.toSafeInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toSafeInteger(Infinity);\n     * // => 9007199254740991\n     *\n     * _.toSafeInteger('3.2');\n     * // => 3\n     */\n    function toSafeInteger(value) {\n      return value\n        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n        : (value === 0 ? value : 0);\n    }\n\n    /**\n     * Converts `value` to a string. An empty string is returned for `null`\n     * and `undefined` values. The sign of `-0` is preserved.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.toString(null);\n     * // => ''\n     *\n     * _.toString(-0);\n     * // => '-0'\n     *\n     * _.toString([1, 2, 3]);\n     * // => '1,2,3'\n     */\n    function toString(value) {\n      return value == null ? '' : baseToString(value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Assigns own enumerable string keyed properties of source objects to the\n     * destination object. Source objects are applied from left to right.\n     * Subsequent sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object` and is loosely based on\n     * [`Object.assign`](https://mdn.io/Object/assign).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assignIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assign({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var assign = createAssigner(function(object, source) {\n      if (isPrototype(source) || isArrayLike(source)) {\n        copyObject(source, keys(source), object);\n        return;\n      }\n      for (var key in source) {\n        if (hasOwnProperty.call(source, key)) {\n          assignValue(object, key, source[key]);\n        }\n      }\n    });\n\n    /**\n     * This method is like `_.assign` except that it iterates over own and\n     * inherited source properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extend\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assign\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n     */\n    var assignIn = createAssigner(function(object, source) {\n      copyObject(source, keysIn(source), object);\n    });\n\n    /**\n     * This method is like `_.assignIn` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extendWith\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignInWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keysIn(source), object, customizer);\n    });\n\n    /**\n     * This method is like `_.assign` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignInWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keys(source), object, customizer);\n    });\n\n    /**\n     * Creates an array of values corresponding to `paths` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Array} Returns the picked values.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _.at(object, ['a[0].b.c', 'a[1]']);\n     * // => [3, 4]\n     */\n    var at = flatRest(baseAt);\n\n    /**\n     * Creates an object that inherits from the `prototype` object. If a\n     * `properties` object is given, its own enumerable string keyed properties\n     * are assigned to the created object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Object\n     * @param {Object} prototype The object to inherit from.\n     * @param {Object} [properties] The properties to assign to the object.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * function Shape() {\n     *   this.x = 0;\n     *   this.y = 0;\n     * }\n     *\n     * function Circle() {\n     *   Shape.call(this);\n     * }\n     *\n     * Circle.prototype = _.create(Shape.prototype, {\n     *   'constructor': Circle\n     * });\n     *\n     * var circle = new Circle;\n     * circle instanceof Circle;\n     * // => true\n     *\n     * circle instanceof Shape;\n     * // => true\n     */\n    function create(prototype, properties) {\n      var result = baseCreate(prototype);\n      return properties == null ? result : baseAssign(result, properties);\n    }\n\n    /**\n     * Assigns own and inherited enumerable string keyed properties of source\n     * objects to the destination object for all destination properties that\n     * resolve to `undefined`. Source objects are applied from left to right.\n     * Once a property is set, additional values of the same property are ignored.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaultsDeep\n     * @example\n     *\n     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var defaults = baseRest(function(args) {\n      args.push(undefined, customDefaultsAssignIn);\n      return apply(assignInWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.defaults` except that it recursively assigns\n     * default properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaults\n     * @example\n     *\n     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n     * // => { 'a': { 'b': 2, 'c': 3 } }\n     */\n    var defaultsDeep = baseRest(function(args) {\n      args.push(undefined, customDefaultsMerge);\n      return apply(mergeWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.find` except that it returns the key of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findKey(users, function(o) { return o.age < 40; });\n     * // => 'barney' (iteration order is not guaranteed)\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findKey(users, { 'age': 1, 'active': true });\n     * // => 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findKey(users, 'active');\n     * // => 'barney'\n     */\n    function findKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n    }\n\n    /**\n     * This method is like `_.findKey` except that it iterates over elements of\n     * a collection in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findLastKey(users, function(o) { return o.age < 40; });\n     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastKey(users, { 'age': 36, 'active': true });\n     * // => 'barney'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastKey(users, 'active');\n     * // => 'pebbles'\n     */\n    function findLastKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n    }\n\n    /**\n     * Iterates over own and inherited enumerable string keyed properties of an\n     * object and invokes `iteratee` for each property. The iteratee is invoked\n     * with three arguments: (value, key, object). Iteratee functions may exit\n     * iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forInRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forIn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n     */\n    function forIn(object, iteratee) {\n      return object == null\n        ? object\n        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * This method is like `_.forIn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forInRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n     */\n    function forInRight(object, iteratee) {\n      return object == null\n        ? object\n        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * Iterates over own enumerable string keyed properties of an object and\n     * invokes `iteratee` for each property. The iteratee is invoked with three\n     * arguments: (value, key, object). Iteratee functions may exit iteration\n     * early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwnRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forOwn(object, iteratee) {\n      return object && baseForOwn(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forOwn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwnRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n     */\n    function forOwnRight(object, iteratee) {\n      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an array of function property names from own enumerable properties\n     * of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functionsIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functions(new Foo);\n     * // => ['a', 'b']\n     */\n    function functions(object) {\n      return object == null ? [] : baseFunctions(object, keys(object));\n    }\n\n    /**\n     * Creates an array of function property names from own and inherited\n     * enumerable properties of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functions\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functionsIn(new Foo);\n     * // => ['a', 'b', 'c']\n     */\n    function functionsIn(object) {\n      return object == null ? [] : baseFunctions(object, keysIn(object));\n    }\n\n    /**\n     * Gets the value at `path` of `object`. If the resolved value is\n     * `undefined`, the `defaultValue` is returned in its place.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.get(object, 'a[0].b.c');\n     * // => 3\n     *\n     * _.get(object, ['a', '0', 'b', 'c']);\n     * // => 3\n     *\n     * _.get(object, 'a.b.c', 'default');\n     * // => 'default'\n     */\n    function get(object, path, defaultValue) {\n      var result = object == null ? undefined : baseGet(object, path);\n      return result === undefined ? defaultValue : result;\n    }\n\n    /**\n     * Checks if `path` is a direct property of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = { 'a': { 'b': 2 } };\n     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.has(object, 'a');\n     * // => true\n     *\n     * _.has(object, 'a.b');\n     * // => true\n     *\n     * _.has(object, ['a', 'b']);\n     * // => true\n     *\n     * _.has(other, 'a');\n     * // => false\n     */\n    function has(object, path) {\n      return object != null && hasPath(object, path, baseHas);\n    }\n\n    /**\n     * Checks if `path` is a direct or inherited property of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.hasIn(object, 'a');\n     * // => true\n     *\n     * _.hasIn(object, 'a.b');\n     * // => true\n     *\n     * _.hasIn(object, ['a', 'b']);\n     * // => true\n     *\n     * _.hasIn(object, 'b');\n     * // => false\n     */\n    function hasIn(object, path) {\n      return object != null && hasPath(object, path, baseHasIn);\n    }\n\n    /**\n     * Creates an object composed of the inverted keys and values of `object`.\n     * If `object` contains duplicate values, subsequent values overwrite\n     * property assignments of previous values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invert(object);\n     * // => { '1': 'c', '2': 'b' }\n     */\n    var invert = createInverter(function(result, value, key) {\n      result[value] = key;\n    }, constant(identity));\n\n    /**\n     * This method is like `_.invert` except that the inverted object is generated\n     * from the results of running each element of `object` thru `iteratee`. The\n     * corresponding inverted value of each inverted key is an array of keys\n     * responsible for generating the inverted value. The iteratee is invoked\n     * with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invertBy(object);\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     *\n     * _.invertBy(object, function(value) {\n     *   return 'group' + value;\n     * });\n     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n     */\n    var invertBy = createInverter(function(result, value, key) {\n      if (hasOwnProperty.call(result, value)) {\n        result[value].push(key);\n      } else {\n        result[value] = [key];\n      }\n    }, getIteratee);\n\n    /**\n     * Invokes the method at `path` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n     *\n     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n     * // => [2, 3]\n     */\n    var invoke = baseRest(baseInvoke);\n\n    /**\n     * Creates an array of the own enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects. See the\n     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * for more details.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keys(new Foo);\n     * // => ['a', 'b'] (iteration order is not guaranteed)\n     *\n     * _.keys('hi');\n     * // => ['0', '1']\n     */\n    function keys(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keysIn(new Foo);\n     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n     */\n    function keysIn(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n    }\n\n    /**\n     * The opposite of `_.mapValues`; this method creates an object with the\n     * same values as `object` and keys generated by running each own enumerable\n     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n     * with three arguments: (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapValues\n     * @example\n     *\n     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   return key + value;\n     * });\n     * // => { 'a1': 1, 'b2': 2 }\n     */\n    function mapKeys(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, iteratee(value, key, object), value);\n      });\n      return result;\n    }\n\n    /**\n     * Creates an object with the same keys as `object` and values generated\n     * by running each own enumerable string keyed property of `object` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapKeys\n     * @example\n     *\n     * var users = {\n     *   'fred':    { 'user': 'fred',    'age': 40 },\n     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n     * };\n     *\n     * _.mapValues(users, function(o) { return o.age; });\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.mapValues(users, 'age');\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     */\n    function mapValues(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, key, iteratee(value, key, object));\n      });\n      return result;\n    }\n\n    /**\n     * This method is like `_.assign` except that it recursively merges own and\n     * inherited enumerable string keyed properties of source objects into the\n     * destination object. Source properties that resolve to `undefined` are\n     * skipped if a destination value exists. Array and plain object properties\n     * are merged recursively. Other objects and value types are overridden by\n     * assignment. Source objects are applied from left to right. Subsequent\n     * sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {\n     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n     * };\n     *\n     * var other = {\n     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n     * };\n     *\n     * _.merge(object, other);\n     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n     */\n    var merge = createAssigner(function(object, source, srcIndex) {\n      baseMerge(object, source, srcIndex);\n    });\n\n    /**\n     * This method is like `_.merge` except that it accepts `customizer` which\n     * is invoked to produce the merged values of the destination and source\n     * properties. If `customizer` returns `undefined`, merging is handled by the\n     * method instead. The `customizer` is invoked with six arguments:\n     * (objValue, srcValue, key, object, source, stack).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} customizer The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (_.isArray(objValue)) {\n     *     return objValue.concat(srcValue);\n     *   }\n     * }\n     *\n     * var object = { 'a': [1], 'b': [2] };\n     * var other = { 'a': [3], 'b': [4] };\n     *\n     * _.mergeWith(object, other, customizer);\n     * // => { 'a': [1, 3], 'b': [2, 4] }\n     */\n    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n      baseMerge(object, source, srcIndex, customizer);\n    });\n\n    /**\n     * The opposite of `_.pick`; this method creates an object composed of the\n     * own and inherited enumerable property paths of `object` that are not omitted.\n     *\n     * **Note:** This method is considerably slower than `_.pick`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to omit.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omit(object, ['a', 'c']);\n     * // => { 'b': '2' }\n     */\n    var omit = flatRest(function(object, paths) {\n      var result = {};\n      if (object == null) {\n        return result;\n      }\n      var isDeep = false;\n      paths = arrayMap(paths, function(path) {\n        path = castPath(path, object);\n        isDeep || (isDeep = path.length > 1);\n        return path;\n      });\n      copyObject(object, getAllKeysIn(object), result);\n      if (isDeep) {\n        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n      }\n      var length = paths.length;\n      while (length--) {\n        baseUnset(result, paths[length]);\n      }\n      return result;\n    });\n\n    /**\n     * The opposite of `_.pickBy`; this method creates an object composed of\n     * the own and inherited enumerable string keyed properties of `object` that\n     * `predicate` doesn't return truthy for. The predicate is invoked with two\n     * arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omitBy(object, _.isNumber);\n     * // => { 'b': '2' }\n     */\n    function omitBy(object, predicate) {\n      return pickBy(object, negate(getIteratee(predicate)));\n    }\n\n    /**\n     * Creates an object composed of the picked `object` properties.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pick(object, ['a', 'c']);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var pick = flatRest(function(object, paths) {\n      return object == null ? {} : basePick(object, paths);\n    });\n\n    /**\n     * Creates an object composed of the `object` properties `predicate` returns\n     * truthy for. The predicate is invoked with two arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pickBy(object, _.isNumber);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    function pickBy(object, predicate) {\n      if (object == null) {\n        return {};\n      }\n      var props = arrayMap(getAllKeysIn(object), function(prop) {\n        return [prop];\n      });\n      predicate = getIteratee(predicate);\n      return basePickBy(object, props, function(value, path) {\n        return predicate(value, path[0]);\n      });\n    }\n\n    /**\n     * This method is like `_.get` except that if the resolved value is a\n     * function it's invoked with the `this` binding of its parent object and\n     * its result is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to resolve.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n     *\n     * _.result(object, 'a[0].b.c1');\n     * // => 3\n     *\n     * _.result(object, 'a[0].b.c2');\n     * // => 4\n     *\n     * _.result(object, 'a[0].b.c3', 'default');\n     * // => 'default'\n     *\n     * _.result(object, 'a[0].b.c3', _.constant('default'));\n     * // => 'default'\n     */\n    function result(object, path, defaultValue) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length;\n\n      // Ensure the loop is entered when path is empty.\n      if (!length) {\n        length = 1;\n        object = undefined;\n      }\n      while (++index < length) {\n        var value = object == null ? undefined : object[toKey(path[index])];\n        if (value === undefined) {\n          index = length;\n          value = defaultValue;\n        }\n        object = isFunction(value) ? value.call(object) : value;\n      }\n      return object;\n    }\n\n    /**\n     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n     * it's created. Arrays are created for missing index properties while objects\n     * are created for all other missing properties. Use `_.setWith` to customize\n     * `path` creation.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.set(object, 'a[0].b.c', 4);\n     * console.log(object.a[0].b.c);\n     * // => 4\n     *\n     * _.set(object, ['x', '0', 'y', 'z'], 5);\n     * console.log(object.x[0].y.z);\n     * // => 5\n     */\n    function set(object, path, value) {\n      return object == null ? object : baseSet(object, path, value);\n    }\n\n    /**\n     * This method is like `_.set` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.setWith(object, '[0][1]', 'a', Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function setWith(object, path, value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseSet(object, path, value, customizer);\n    }\n\n    /**\n     * Creates an array of own enumerable string keyed-value pairs for `object`\n     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n     * entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entries\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairs(new Foo);\n     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n     */\n    var toPairs = createToPairs(keys);\n\n    /**\n     * Creates an array of own and inherited enumerable string keyed-value pairs\n     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n     * or set, its entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entriesIn\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairsIn(new Foo);\n     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n     */\n    var toPairsIn = createToPairs(keysIn);\n\n    /**\n     * An alternative to `_.reduce`; this method transforms `object` to a new\n     * `accumulator` object which is the result of running each of its own\n     * enumerable string keyed properties thru `iteratee`, with each invocation\n     * potentially mutating the `accumulator` object. If `accumulator` is not\n     * provided, a new object with the same `[[Prototype]]` will be used. The\n     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The custom accumulator value.\n     * @returns {*} Returns the accumulated value.\n     * @example\n     *\n     * _.transform([2, 3, 4], function(result, n) {\n     *   result.push(n *= n);\n     *   return n % 2 == 0;\n     * }, []);\n     * // => [4, 9]\n     *\n     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     */\n    function transform(object, iteratee, accumulator) {\n      var isArr = isArray(object),\n          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n      iteratee = getIteratee(iteratee, 4);\n      if (accumulator == null) {\n        var Ctor = object && object.constructor;\n        if (isArrLike) {\n          accumulator = isArr ? new Ctor : [];\n        }\n        else if (isObject(object)) {\n          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n        }\n        else {\n          accumulator = {};\n        }\n      }\n      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n        return iteratee(accumulator, value, index, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * Removes the property at `path` of `object`.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n     * _.unset(object, 'a[0].b.c');\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     *\n     * _.unset(object, ['a', '0', 'b', 'c']);\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     */\n    function unset(object, path) {\n      return object == null ? true : baseUnset(object, path);\n    }\n\n    /**\n     * This method is like `_.set` except that accepts `updater` to produce the\n     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n     * is invoked with one argument: (value).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n     * console.log(object.a[0].b.c);\n     * // => 9\n     *\n     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n     * console.log(object.x[0].y.z);\n     * // => 0\n     */\n    function update(object, path, updater) {\n      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n    }\n\n    /**\n     * This method is like `_.update` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function updateWith(object, path, updater, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n    }\n\n    /**\n     * Creates an array of the own enumerable string keyed property values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.values(new Foo);\n     * // => [1, 2] (iteration order is not guaranteed)\n     *\n     * _.values('hi');\n     * // => ['h', 'i']\n     */\n    function values(object) {\n      return object == null ? [] : baseValues(object, keys(object));\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable string keyed property\n     * values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.valuesIn(new Foo);\n     * // => [1, 2, 3] (iteration order is not guaranteed)\n     */\n    function valuesIn(object) {\n      return object == null ? [] : baseValues(object, keysIn(object));\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Number\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     * @example\n     *\n     * _.clamp(-10, -5, 5);\n     * // => -5\n     *\n     * _.clamp(10, -5, 5);\n     * // => 5\n     */\n    function clamp(number, lower, upper) {\n      if (upper === undefined) {\n        upper = lower;\n        lower = undefined;\n      }\n      if (upper !== undefined) {\n        upper = toNumber(upper);\n        upper = upper === upper ? upper : 0;\n      }\n      if (lower !== undefined) {\n        lower = toNumber(lower);\n        lower = lower === lower ? lower : 0;\n      }\n      return baseClamp(toNumber(number), lower, upper);\n    }\n\n    /**\n     * Checks if `n` is between `start` and up to, but not including, `end`. If\n     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n     * If `start` is greater than `end` the params are swapped to support\n     * negative ranges.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.3.0\n     * @category Number\n     * @param {number} number The number to check.\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     * @see _.range, _.rangeRight\n     * @example\n     *\n     * _.inRange(3, 2, 4);\n     * // => true\n     *\n     * _.inRange(4, 8);\n     * // => true\n     *\n     * _.inRange(4, 2);\n     * // => false\n     *\n     * _.inRange(2, 2);\n     * // => false\n     *\n     * _.inRange(1.2, 2);\n     * // => true\n     *\n     * _.inRange(5.2, 4);\n     * // => false\n     *\n     * _.inRange(-3, -2, -6);\n     * // => true\n     */\n    function inRange(number, start, end) {\n      start = toFinite(start);\n      if (end === undefined) {\n        end = start;\n        start = 0;\n      } else {\n        end = toFinite(end);\n      }\n      number = toNumber(number);\n      return baseInRange(number, start, end);\n    }\n\n    /**\n     * Produces a random number between the inclusive `lower` and `upper` bounds.\n     * If only one argument is provided a number between `0` and the given number\n     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n     * floats, a floating-point number is returned instead of an integer.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Number\n     * @param {number} [lower=0] The lower bound.\n     * @param {number} [upper=1] The upper bound.\n     * @param {boolean} [floating] Specify returning a floating-point number.\n     * @returns {number} Returns the random number.\n     * @example\n     *\n     * _.random(0, 5);\n     * // => an integer between 0 and 5\n     *\n     * _.random(5);\n     * // => also an integer between 0 and 5\n     *\n     * _.random(5, true);\n     * // => a floating-point number between 0 and 5\n     *\n     * _.random(1.2, 5.2);\n     * // => a floating-point number between 1.2 and 5.2\n     */\n    function random(lower, upper, floating) {\n      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n        upper = floating = undefined;\n      }\n      if (floating === undefined) {\n        if (typeof upper == 'boolean') {\n          floating = upper;\n          upper = undefined;\n        }\n        else if (typeof lower == 'boolean') {\n          floating = lower;\n          lower = undefined;\n        }\n      }\n      if (lower === undefined && upper === undefined) {\n        lower = 0;\n        upper = 1;\n      }\n      else {\n        lower = toFinite(lower);\n        if (upper === undefined) {\n          upper = lower;\n          lower = 0;\n        } else {\n          upper = toFinite(upper);\n        }\n      }\n      if (lower > upper) {\n        var temp = lower;\n        lower = upper;\n        upper = temp;\n      }\n      if (floating || lower % 1 || upper % 1) {\n        var rand = nativeRandom();\n        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n      }\n      return baseRandom(lower, upper);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the camel cased string.\n     * @example\n     *\n     * _.camelCase('Foo Bar');\n     * // => 'fooBar'\n     *\n     * _.camelCase('--foo-bar--');\n     * // => 'fooBar'\n     *\n     * _.camelCase('__FOO_BAR__');\n     * // => 'fooBar'\n     */\n    var camelCase = createCompounder(function(result, word, index) {\n      word = word.toLowerCase();\n      return result + (index ? capitalize(word) : word);\n    });\n\n    /**\n     * Converts the first character of `string` to upper case and the remaining\n     * to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to capitalize.\n     * @returns {string} Returns the capitalized string.\n     * @example\n     *\n     * _.capitalize('FRED');\n     * // => 'Fred'\n     */\n    function capitalize(string) {\n      return upperFirst(toString(string).toLowerCase());\n    }\n\n    /**\n     * Deburrs `string` by converting\n     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n     * letters to basic Latin letters and removing\n     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to deburr.\n     * @returns {string} Returns the deburred string.\n     * @example\n     *\n     * _.deburr('déjà vu');\n     * // => 'deja vu'\n     */\n    function deburr(string) {\n      string = toString(string);\n      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n    }\n\n    /**\n     * Checks if `string` ends with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=string.length] The position to search up to.\n     * @returns {boolean} Returns `true` if `string` ends with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.endsWith('abc', 'c');\n     * // => true\n     *\n     * _.endsWith('abc', 'b');\n     * // => false\n     *\n     * _.endsWith('abc', 'b', 2);\n     * // => true\n     */\n    function endsWith(string, target, position) {\n      string = toString(string);\n      target = baseToString(target);\n\n      var length = string.length;\n      position = position === undefined\n        ? length\n        : baseClamp(toInteger(position), 0, length);\n\n      var end = position;\n      position -= target.length;\n      return position >= 0 && string.slice(position, end) == target;\n    }\n\n    /**\n     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n     * corresponding HTML entities.\n     *\n     * **Note:** No other characters are escaped. To escape additional\n     * characters use a third-party library like [_he_](https://mths.be/he).\n     *\n     * Though the \">\" character is escaped for symmetry, characters like\n     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n     * unless they're part of a tag or unquoted attribute value. See\n     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n     * (under \"semi-related fun fact\") for more details.\n     *\n     * When working with HTML you should always\n     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n     * XSS vectors.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escape('fred, barney, & pebbles');\n     * // => 'fred, barney, &amp; pebbles'\n     */\n    function escape(string) {\n      string = toString(string);\n      return (string && reHasUnescapedHtml.test(string))\n        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escapeRegExp('[lodash](https://lodash.com/)');\n     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n     */\n    function escapeRegExp(string) {\n      string = toString(string);\n      return (string && reHasRegExpChar.test(string))\n        ? string.replace(reRegExpChar, '\\\\$&')\n        : string;\n    }\n\n    /**\n     * Converts `string` to\n     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the kebab cased string.\n     * @example\n     *\n     * _.kebabCase('Foo Bar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('fooBar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('__FOO_BAR__');\n     * // => 'foo-bar'\n     */\n    var kebabCase = createCompounder(function(result, word, index) {\n      return result + (index ? '-' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts `string`, as space separated words, to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.lowerCase('--Foo-Bar--');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('fooBar');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('__FOO_BAR__');\n     * // => 'foo bar'\n     */\n    var lowerCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts the first character of `string` to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.lowerFirst('Fred');\n     * // => 'fred'\n     *\n     * _.lowerFirst('FRED');\n     * // => 'fRED'\n     */\n    var lowerFirst = createCaseFirst('toLowerCase');\n\n    /**\n     * Pads `string` on the left and right sides if it's shorter than `length`.\n     * Padding characters are truncated if they can't be evenly divided by `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.pad('abc', 8);\n     * // => '  abc   '\n     *\n     * _.pad('abc', 8, '_-');\n     * // => '_-abc_-_'\n     *\n     * _.pad('abc', 3);\n     * // => 'abc'\n     */\n    function pad(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      if (!length || strLength >= length) {\n        return string;\n      }\n      var mid = (length - strLength) / 2;\n      return (\n        createPadding(nativeFloor(mid), chars) +\n        string +\n        createPadding(nativeCeil(mid), chars)\n      );\n    }\n\n    /**\n     * Pads `string` on the right side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padEnd('abc', 6);\n     * // => 'abc   '\n     *\n     * _.padEnd('abc', 6, '_-');\n     * // => 'abc_-_'\n     *\n     * _.padEnd('abc', 3);\n     * // => 'abc'\n     */\n    function padEnd(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (string + createPadding(length - strLength, chars))\n        : string;\n    }\n\n    /**\n     * Pads `string` on the left side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padStart('abc', 6);\n     * // => '   abc'\n     *\n     * _.padStart('abc', 6, '_-');\n     * // => '_-_abc'\n     *\n     * _.padStart('abc', 3);\n     * // => 'abc'\n     */\n    function padStart(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (createPadding(length - strLength, chars) + string)\n        : string;\n    }\n\n    /**\n     * Converts `string` to an integer of the specified radix. If `radix` is\n     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n     * hexadecimal, in which case a `radix` of `16` is used.\n     *\n     * **Note:** This method aligns with the\n     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category String\n     * @param {string} string The string to convert.\n     * @param {number} [radix=10] The radix to interpret `value` by.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.parseInt('08');\n     * // => 8\n     *\n     * _.map(['6', '08', '10'], _.parseInt);\n     * // => [6, 8, 10]\n     */\n    function parseInt(string, radix, guard) {\n      if (guard || radix == null) {\n        radix = 0;\n      } else if (radix) {\n        radix = +radix;\n      }\n      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n    }\n\n    /**\n     * Repeats the given string `n` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to repeat.\n     * @param {number} [n=1] The number of times to repeat the string.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the repeated string.\n     * @example\n     *\n     * _.repeat('*', 3);\n     * // => '***'\n     *\n     * _.repeat('abc', 2);\n     * // => 'abcabc'\n     *\n     * _.repeat('abc', 0);\n     * // => ''\n     */\n    function repeat(string, n, guard) {\n      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      return baseRepeat(toString(string), n);\n    }\n\n    /**\n     * Replaces matches for `pattern` in `string` with `replacement`.\n     *\n     * **Note:** This method is based on\n     * [`String#replace`](https://mdn.io/String/replace).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to modify.\n     * @param {RegExp|string} pattern The pattern to replace.\n     * @param {Function|string} replacement The match replacement.\n     * @returns {string} Returns the modified string.\n     * @example\n     *\n     * _.replace('Hi Fred', 'Fred', 'Barney');\n     * // => 'Hi Barney'\n     */\n    function replace() {\n      var args = arguments,\n          string = toString(args[0]);\n\n      return args.length < 3 ? string : string.replace(args[1], args[2]);\n    }\n\n    /**\n     * Converts `string` to\n     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the snake cased string.\n     * @example\n     *\n     * _.snakeCase('Foo Bar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('fooBar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('--FOO-BAR--');\n     * // => 'foo_bar'\n     */\n    var snakeCase = createCompounder(function(result, word, index) {\n      return result + (index ? '_' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Splits `string` by `separator`.\n     *\n     * **Note:** This method is based on\n     * [`String#split`](https://mdn.io/String/split).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to split.\n     * @param {RegExp|string} separator The separator pattern to split by.\n     * @param {number} [limit] The length to truncate results to.\n     * @returns {Array} Returns the string segments.\n     * @example\n     *\n     * _.split('a-b-c', '-', 2);\n     * // => ['a', 'b']\n     */\n    function split(string, separator, limit) {\n      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n        separator = limit = undefined;\n      }\n      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n      if (!limit) {\n        return [];\n      }\n      string = toString(string);\n      if (string && (\n            typeof separator == 'string' ||\n            (separator != null && !isRegExp(separator))\n          )) {\n        separator = baseToString(separator);\n        if (!separator && hasUnicode(string)) {\n          return castSlice(stringToArray(string), 0, limit);\n        }\n      }\n      return string.split(separator, limit);\n    }\n\n    /**\n     * Converts `string` to\n     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.1.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the start cased string.\n     * @example\n     *\n     * _.startCase('--foo-bar--');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('fooBar');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('__FOO_BAR__');\n     * // => 'FOO BAR'\n     */\n    var startCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + upperFirst(word);\n    });\n\n    /**\n     * Checks if `string` starts with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=0] The position to search from.\n     * @returns {boolean} Returns `true` if `string` starts with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.startsWith('abc', 'a');\n     * // => true\n     *\n     * _.startsWith('abc', 'b');\n     * // => false\n     *\n     * _.startsWith('abc', 'b', 1);\n     * // => true\n     */\n    function startsWith(string, target, position) {\n      string = toString(string);\n      position = position == null\n        ? 0\n        : baseClamp(toInteger(position), 0, string.length);\n\n      target = baseToString(target);\n      return string.slice(position, position + target.length) == target;\n    }\n\n    /**\n     * Creates a compiled template function that can interpolate data properties\n     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n     * properties may be accessed as free variables in the template. If a setting\n     * object is given, it takes precedence over `_.templateSettings` values.\n     *\n     * **Note:** In the development build `_.template` utilizes\n     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n     * for easier debugging.\n     *\n     * For more information on precompiling templates see\n     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n     *\n     * For more information on Chrome extension sandboxes see\n     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The template string.\n     * @param {Object} [options={}] The options object.\n     * @param {RegExp} [options.escape=_.templateSettings.escape]\n     *  The HTML \"escape\" delimiter.\n     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n     *  The \"evaluate\" delimiter.\n     * @param {Object} [options.imports=_.templateSettings.imports]\n     *  An object to import into the template as free variables.\n     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n     *  The \"interpolate\" delimiter.\n     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n     *  The sourceURL of the compiled template.\n     * @param {string} [options.variable='obj']\n     *  The data object variable name.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the compiled template function.\n     * @example\n     *\n     * // Use the \"interpolate\" delimiter to create a compiled template.\n     * var compiled = _.template('hello <%= user %>!');\n     * compiled({ 'user': 'fred' });\n     * // => 'hello fred!'\n     *\n     * // Use the HTML \"escape\" delimiter to escape data property values.\n     * var compiled = _.template('<b><%- value %></b>');\n     * compiled({ 'value': '<script>' });\n     * // => '<b>&lt;script&gt;</b>'\n     *\n     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the internal `print` function in \"evaluate\" delimiters.\n     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n     * compiled({ 'user': 'barney' });\n     * // => 'hello barney!'\n     *\n     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n     * // Disable support by replacing the \"interpolate\" delimiter.\n     * var compiled = _.template('hello ${ user }!');\n     * compiled({ 'user': 'pebbles' });\n     * // => 'hello pebbles!'\n     *\n     * // Use backslashes to treat delimiters as plain text.\n     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n     * compiled({ 'value': 'ignored' });\n     * // => '<%- value %>'\n     *\n     * // Use the `imports` option to import `jQuery` as `jq`.\n     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n     * compiled(data);\n     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n     *\n     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n     * compiled.source;\n     * // => function(data) {\n     * //   var __t, __p = '';\n     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n     * //   return __p;\n     * // }\n     *\n     * // Use custom template delimiters.\n     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n     * var compiled = _.template('hello {{ user }}!');\n     * compiled({ 'user': 'mustache' });\n     * // => 'hello mustache!'\n     *\n     * // Use the `source` property to inline compiled templates for meaningful\n     * // line numbers in error messages and stack traces.\n     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n     *   var JST = {\\\n     *     \"main\": ' + _.template(mainText).source + '\\\n     *   };\\\n     * ');\n     */\n    function template(string, options, guard) {\n      // Based on John Resig's `tmpl` implementation\n      // (http://ejohn.org/blog/javascript-micro-templating/)\n      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n      var settings = lodash.templateSettings;\n\n      if (guard && isIterateeCall(string, options, guard)) {\n        options = undefined;\n      }\n      string = toString(string);\n      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\n      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n          importsKeys = keys(imports),\n          importsValues = baseValues(imports, importsKeys);\n\n      var isEscaping,\n          isEvaluating,\n          index = 0,\n          interpolate = options.interpolate || reNoMatch,\n          source = \"__p += '\";\n\n      // Compile the regexp to match each delimiter.\n      var reDelimiters = RegExp(\n        (options.escape || reNoMatch).source + '|' +\n        interpolate.source + '|' +\n        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n        (options.evaluate || reNoMatch).source + '|$'\n      , 'g');\n\n      // Use a sourceURL for easier debugging.\n      var sourceURL = '//# sourceURL=' +\n        ('sourceURL' in options\n          ? options.sourceURL\n          : ('lodash.templateSources[' + (++templateCounter) + ']')\n        ) + '\\n';\n\n      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n        interpolateValue || (interpolateValue = esTemplateValue);\n\n        // Escape characters that can't be included in string literals.\n        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\n        // Replace delimiters with snippets.\n        if (escapeValue) {\n          isEscaping = true;\n          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n        }\n        if (evaluateValue) {\n          isEvaluating = true;\n          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n        }\n        if (interpolateValue) {\n          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n        }\n        index = offset + match.length;\n\n        // The JS engine embedded in Adobe products needs `match` returned in\n        // order to produce the correct `offset` value.\n        return match;\n      });\n\n      source += \"';\\n\";\n\n      // If `variable` is not specified wrap a with-statement around the generated\n      // code to add the data object to the top of the scope chain.\n      var variable = options.variable;\n      if (!variable) {\n        source = 'with (obj) {\\n' + source + '\\n}\\n';\n      }\n      // Cleanup code by stripping empty strings.\n      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n        .replace(reEmptyStringMiddle, '$1')\n        .replace(reEmptyStringTrailing, '$1;');\n\n      // Frame code as the function body.\n      source = 'function(' + (variable || 'obj') + ') {\\n' +\n        (variable\n          ? ''\n          : 'obj || (obj = {});\\n'\n        ) +\n        \"var __t, __p = ''\" +\n        (isEscaping\n           ? ', __e = _.escape'\n           : ''\n        ) +\n        (isEvaluating\n          ? ', __j = Array.prototype.join;\\n' +\n            \"function print() { __p += __j.call(arguments, '') }\\n\"\n          : ';\\n'\n        ) +\n        source +\n        'return __p\\n}';\n\n      var result = attempt(function() {\n        return Function(importsKeys, sourceURL + 'return ' + source)\n          .apply(undefined, importsValues);\n      });\n\n      // Provide the compiled function's source by its `toString` method or\n      // the `source` property as a convenience for inlining compiled templates.\n      result.source = source;\n      if (isError(result)) {\n        throw result;\n      }\n      return result;\n    }\n\n    /**\n     * Converts `string`, as a whole, to lower case just like\n     * [String#toLowerCase](https://mdn.io/toLowerCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.toLower('--Foo-Bar--');\n     * // => '--foo-bar--'\n     *\n     * _.toLower('fooBar');\n     * // => 'foobar'\n     *\n     * _.toLower('__FOO_BAR__');\n     * // => '__foo_bar__'\n     */\n    function toLower(value) {\n      return toString(value).toLowerCase();\n    }\n\n    /**\n     * Converts `string`, as a whole, to upper case just like\n     * [String#toUpperCase](https://mdn.io/toUpperCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.toUpper('--foo-bar--');\n     * // => '--FOO-BAR--'\n     *\n     * _.toUpper('fooBar');\n     * // => 'FOOBAR'\n     *\n     * _.toUpper('__foo_bar__');\n     * // => '__FOO_BAR__'\n     */\n    function toUpper(value) {\n      return toString(value).toUpperCase();\n    }\n\n    /**\n     * Removes leading and trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trim('  abc  ');\n     * // => 'abc'\n     *\n     * _.trim('-_-abc-_-', '_-');\n     * // => 'abc'\n     *\n     * _.map(['  foo  ', '  bar  '], _.trim);\n     * // => ['foo', 'bar']\n     */\n    function trim(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrim, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          chrSymbols = stringToArray(chars),\n          start = charsStartIndex(strSymbols, chrSymbols),\n          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\n      return castSlice(strSymbols, start, end).join('');\n    }\n\n    /**\n     * Removes trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimEnd('  abc  ');\n     * // => '  abc'\n     *\n     * _.trimEnd('-_-abc-_-', '_-');\n     * // => '-_-abc'\n     */\n    function trimEnd(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimEnd, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\n      return castSlice(strSymbols, 0, end).join('');\n    }\n\n    /**\n     * Removes leading whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimStart('  abc  ');\n     * // => 'abc  '\n     *\n     * _.trimStart('-_-abc-_-', '_-');\n     * // => 'abc-_-'\n     */\n    function trimStart(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimStart, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          start = charsStartIndex(strSymbols, stringToArray(chars));\n\n      return castSlice(strSymbols, start).join('');\n    }\n\n    /**\n     * Truncates `string` if it's longer than the given maximum string length.\n     * The last characters of the truncated string are replaced with the omission\n     * string which defaults to \"...\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to truncate.\n     * @param {Object} [options={}] The options object.\n     * @param {number} [options.length=30] The maximum string length.\n     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n     * @returns {string} Returns the truncated string.\n     * @example\n     *\n     * _.truncate('hi-diddly-ho there, neighborino');\n     * // => 'hi-diddly-ho there, neighbo...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': ' '\n     * });\n     * // => 'hi-diddly-ho there,...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': /,? +/\n     * });\n     * // => 'hi-diddly-ho there...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'omission': ' [...]'\n     * });\n     * // => 'hi-diddly-ho there, neig [...]'\n     */\n    function truncate(string, options) {\n      var length = DEFAULT_TRUNC_LENGTH,\n          omission = DEFAULT_TRUNC_OMISSION;\n\n      if (isObject(options)) {\n        var separator = 'separator' in options ? options.separator : separator;\n        length = 'length' in options ? toInteger(options.length) : length;\n        omission = 'omission' in options ? baseToString(options.omission) : omission;\n      }\n      string = toString(string);\n\n      var strLength = string.length;\n      if (hasUnicode(string)) {\n        var strSymbols = stringToArray(string);\n        strLength = strSymbols.length;\n      }\n      if (length >= strLength) {\n        return string;\n      }\n      var end = length - stringSize(omission);\n      if (end < 1) {\n        return omission;\n      }\n      var result = strSymbols\n        ? castSlice(strSymbols, 0, end).join('')\n        : string.slice(0, end);\n\n      if (separator === undefined) {\n        return result + omission;\n      }\n      if (strSymbols) {\n        end += (result.length - end);\n      }\n      if (isRegExp(separator)) {\n        if (string.slice(end).search(separator)) {\n          var match,\n              substring = result;\n\n          if (!separator.global) {\n            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n          }\n          separator.lastIndex = 0;\n          while ((match = separator.exec(substring))) {\n            var newEnd = match.index;\n          }\n          result = result.slice(0, newEnd === undefined ? end : newEnd);\n        }\n      } else if (string.indexOf(baseToString(separator), end) != end) {\n        var index = result.lastIndexOf(separator);\n        if (index > -1) {\n          result = result.slice(0, index);\n        }\n      }\n      return result + omission;\n    }\n\n    /**\n     * The inverse of `_.escape`; this method converts the HTML entities\n     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n     * their corresponding characters.\n     *\n     * **Note:** No other HTML entities are unescaped. To unescape additional\n     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.6.0\n     * @category String\n     * @param {string} [string=''] The string to unescape.\n     * @returns {string} Returns the unescaped string.\n     * @example\n     *\n     * _.unescape('fred, barney, &amp; pebbles');\n     * // => 'fred, barney, & pebbles'\n     */\n    function unescape(string) {\n      string = toString(string);\n      return (string && reHasEscapedHtml.test(string))\n        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Converts `string`, as space separated words, to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.upperCase('--foo-bar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('fooBar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('__foo_bar__');\n     * // => 'FOO BAR'\n     */\n    var upperCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toUpperCase();\n    });\n\n    /**\n     * Converts the first character of `string` to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.upperFirst('fred');\n     * // => 'Fred'\n     *\n     * _.upperFirst('FRED');\n     * // => 'FRED'\n     */\n    var upperFirst = createCaseFirst('toUpperCase');\n\n    /**\n     * Splits `string` into an array of its words.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {RegExp|string} [pattern] The pattern to match words.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the words of `string`.\n     * @example\n     *\n     * _.words('fred, barney, & pebbles');\n     * // => ['fred', 'barney', 'pebbles']\n     *\n     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n     * // => ['fred', 'barney', '&', 'pebbles']\n     */\n    function words(string, pattern, guard) {\n      string = toString(string);\n      pattern = guard ? undefined : pattern;\n\n      if (pattern === undefined) {\n        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n      }\n      return string.match(pattern) || [];\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Attempts to invoke `func`, returning either the result or the caught error\n     * object. Any additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Function} func The function to attempt.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {*} Returns the `func` result or error object.\n     * @example\n     *\n     * // Avoid throwing errors for invalid selectors.\n     * var elements = _.attempt(function(selector) {\n     *   return document.querySelectorAll(selector);\n     * }, '>_>');\n     *\n     * if (_.isError(elements)) {\n     *   elements = [];\n     * }\n     */\n    var attempt = baseRest(function(func, args) {\n      try {\n        return apply(func, undefined, args);\n      } catch (e) {\n        return isError(e) ? e : new Error(e);\n      }\n    });\n\n    /**\n     * Binds methods of an object to the object itself, overwriting the existing\n     * method.\n     *\n     * **Note:** This method doesn't set the \"length\" property of bound functions.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Object} object The object to bind and assign the bound methods to.\n     * @param {...(string|string[])} methodNames The object method names to bind.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var view = {\n     *   'label': 'docs',\n     *   'click': function() {\n     *     console.log('clicked ' + this.label);\n     *   }\n     * };\n     *\n     * _.bindAll(view, ['click']);\n     * jQuery(element).on('click', view.click);\n     * // => Logs 'clicked docs' when clicked.\n     */\n    var bindAll = flatRest(function(object, methodNames) {\n      arrayEach(methodNames, function(key) {\n        key = toKey(key);\n        baseAssignValue(object, key, bind(object[key], object));\n      });\n      return object;\n    });\n\n    /**\n     * Creates a function that iterates over `pairs` and invokes the corresponding\n     * function of the first predicate to return truthy. The predicate-function\n     * pairs are invoked with the `this` binding and arguments of the created\n     * function.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Array} pairs The predicate-function pairs.\n     * @returns {Function} Returns the new composite function.\n     * @example\n     *\n     * var func = _.cond([\n     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n     *   [_.stubTrue,                      _.constant('no match')]\n     * ]);\n     *\n     * func({ 'a': 1, 'b': 2 });\n     * // => 'matches A'\n     *\n     * func({ 'a': 0, 'b': 1 });\n     * // => 'matches B'\n     *\n     * func({ 'a': '1', 'b': '2' });\n     * // => 'no match'\n     */\n    function cond(pairs) {\n      var length = pairs == null ? 0 : pairs.length,\n          toIteratee = getIteratee();\n\n      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n        if (typeof pair[1] != 'function') {\n          throw new TypeError(FUNC_ERROR_TEXT);\n        }\n        return [toIteratee(pair[0]), pair[1]];\n      });\n\n      return baseRest(function(args) {\n        var index = -1;\n        while (++index < length) {\n          var pair = pairs[index];\n          if (apply(pair[0], this, args)) {\n            return apply(pair[1], this, args);\n          }\n        }\n      });\n    }\n\n    /**\n     * Creates a function that invokes the predicate properties of `source` with\n     * the corresponding property values of a given object, returning `true` if\n     * all predicates return truthy, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.conformsTo` with\n     * `source` partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 2, 'b': 1 },\n     *   { 'a': 1, 'b': 2 }\n     * ];\n     *\n     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n     * // => [{ 'a': 1, 'b': 2 }]\n     */\n    function conforms(source) {\n      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that returns `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {*} value The value to return from the new function.\n     * @returns {Function} Returns the new constant function.\n     * @example\n     *\n     * var objects = _.times(2, _.constant({ 'a': 1 }));\n     *\n     * console.log(objects);\n     * // => [{ 'a': 1 }, { 'a': 1 }]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => true\n     */\n    function constant(value) {\n      return function() {\n        return value;\n      };\n    }\n\n    /**\n     * Checks `value` to determine whether a default value should be returned in\n     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n     * or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Util\n     * @param {*} value The value to check.\n     * @param {*} defaultValue The default value.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * _.defaultTo(1, 10);\n     * // => 1\n     *\n     * _.defaultTo(undefined, 10);\n     * // => 10\n     */\n    function defaultTo(value, defaultValue) {\n      return (value == null || value !== value) ? defaultValue : value;\n    }\n\n    /**\n     * Creates a function that returns the result of invoking the given functions\n     * with the `this` binding of the created function, where each successive\n     * invocation is supplied the return value of the previous.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flowRight\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flow([_.add, square]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flow = createFlow();\n\n    /**\n     * This method is like `_.flow` except that it creates a function that\n     * invokes the given functions from right to left.\n     *\n     * @static\n     * @since 3.0.0\n     * @memberOf _\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flow\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flowRight([square, _.add]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flowRight = createFlow(true);\n\n    /**\n     * This method returns the first argument it receives.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {*} value Any value.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     *\n     * console.log(_.identity(object) === object);\n     * // => true\n     */\n    function identity(value) {\n      return value;\n    }\n\n    /**\n     * Creates a function that invokes `func` with the arguments of the created\n     * function. If `func` is a property name, the created function returns the\n     * property value for a given element. If `func` is an array or object, the\n     * created function returns `true` for elements that contain the equivalent\n     * source properties, otherwise it returns `false`.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Util\n     * @param {*} [func=_.identity] The value to convert to a callback.\n     * @returns {Function} Returns the callback.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, _.iteratee(['user', 'fred']));\n     * // => [{ 'user': 'fred', 'age': 40 }]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, _.iteratee('user'));\n     * // => ['barney', 'fred']\n     *\n     * // Create custom iteratee shorthands.\n     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n     *     return func.test(string);\n     *   };\n     * });\n     *\n     * _.filter(['abc', 'def'], /ef/);\n     * // => ['def']\n     */\n    function iteratee(func) {\n      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between a given\n     * object and `source`, returning `true` if the given object has equivalent\n     * property values, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n     */\n    function matches(source) {\n      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between the\n     * value at `path` of a given object to `srcValue`, returning `true` if the\n     * object value is equivalent, else `false`.\n     *\n     * **Note:** Partial comparisons will match empty array and empty object\n     * `srcValue` values against any array or object value, respectively. See\n     * `_.isEqual` for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.find(objects, _.matchesProperty('a', 4));\n     * // => { 'a': 4, 'b': 5, 'c': 6 }\n     */\n    function matchesProperty(path, srcValue) {\n      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that invokes the method at `path` of a given object.\n     * Any additional arguments are provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': _.constant(2) } },\n     *   { 'a': { 'b': _.constant(1) } }\n     * ];\n     *\n     * _.map(objects, _.method('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(objects, _.method(['a', 'b']));\n     * // => [2, 1]\n     */\n    var method = baseRest(function(path, args) {\n      return function(object) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * The opposite of `_.method`; this method creates a function that invokes\n     * the method at a given path of `object`. Any additional arguments are\n     * provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var array = _.times(3, _.constant),\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n     * // => [2, 0]\n     */\n    var methodOf = baseRest(function(object, args) {\n      return function(path) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * Adds all own enumerable string keyed function properties of a source\n     * object to the destination object. If `object` is a function, then methods\n     * are added to its prototype as well.\n     *\n     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n     * avoid conflicts caused by modifying the original.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Function|Object} [object=lodash] The destination object.\n     * @param {Object} source The object of functions to add.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n     * @returns {Function|Object} Returns `object`.\n     * @example\n     *\n     * function vowels(string) {\n     *   return _.filter(string, function(v) {\n     *     return /[aeiou]/i.test(v);\n     *   });\n     * }\n     *\n     * _.mixin({ 'vowels': vowels });\n     * _.vowels('fred');\n     * // => ['e']\n     *\n     * _('fred').vowels().value();\n     * // => ['e']\n     *\n     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n     * _('fred').vowels();\n     * // => ['e']\n     */\n    function mixin(object, source, options) {\n      var props = keys(source),\n          methodNames = baseFunctions(source, props);\n\n      if (options == null &&\n          !(isObject(source) && (methodNames.length || !props.length))) {\n        options = source;\n        source = object;\n        object = this;\n        methodNames = baseFunctions(source, keys(source));\n      }\n      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n          isFunc = isFunction(object);\n\n      arrayEach(methodNames, function(methodName) {\n        var func = source[methodName];\n        object[methodName] = func;\n        if (isFunc) {\n          object.prototype[methodName] = function() {\n            var chainAll = this.__chain__;\n            if (chain || chainAll) {\n              var result = object(this.__wrapped__),\n                  actions = result.__actions__ = copyArray(this.__actions__);\n\n              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n              result.__chain__ = chainAll;\n              return result;\n            }\n            return func.apply(object, arrayPush([this.value()], arguments));\n          };\n        }\n      });\n\n      return object;\n    }\n\n    /**\n     * Reverts the `_` variable to its previous value and returns a reference to\n     * the `lodash` function.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @returns {Function} Returns the `lodash` function.\n     * @example\n     *\n     * var lodash = _.noConflict();\n     */\n    function noConflict() {\n      if (root._ === this) {\n        root._ = oldDash;\n      }\n      return this;\n    }\n\n    /**\n     * This method returns `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Util\n     * @example\n     *\n     * _.times(2, _.noop);\n     * // => [undefined, undefined]\n     */\n    function noop() {\n      // No operation performed.\n    }\n\n    /**\n     * Creates a function that gets the argument at index `n`. If `n` is negative,\n     * the nth argument from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [n=0] The index of the argument to return.\n     * @returns {Function} Returns the new pass-thru function.\n     * @example\n     *\n     * var func = _.nthArg(1);\n     * func('a', 'b', 'c', 'd');\n     * // => 'b'\n     *\n     * var func = _.nthArg(-2);\n     * func('a', 'b', 'c', 'd');\n     * // => 'c'\n     */\n    function nthArg(n) {\n      n = toInteger(n);\n      return baseRest(function(args) {\n        return baseNth(args, n);\n      });\n    }\n\n    /**\n     * Creates a function that invokes `iteratees` with the arguments it receives\n     * and returns their results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to invoke.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.over([Math.max, Math.min]);\n     *\n     * func(1, 2, 3, 4);\n     * // => [4, 1]\n     */\n    var over = createOver(arrayMap);\n\n    /**\n     * Creates a function that checks if **all** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overEvery([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => false\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overEvery = createOver(arrayEvery);\n\n    /**\n     * Creates a function that checks if **any** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overSome([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => true\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overSome = createOver(arraySome);\n\n    /**\n     * Creates a function that returns the value at `path` of a given object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': 2 } },\n     *   { 'a': { 'b': 1 } }\n     * ];\n     *\n     * _.map(objects, _.property('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n     * // => [1, 2]\n     */\n    function property(path) {\n      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n    }\n\n    /**\n     * The opposite of `_.property`; this method creates a function that returns\n     * the value at a given path of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var array = [0, 1, 2],\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n     * // => [2, 0]\n     */\n    function propertyOf(object) {\n      return function(path) {\n        return object == null ? undefined : baseGet(object, path);\n      };\n    }\n\n    /**\n     * Creates an array of numbers (positive and/or negative) progressing from\n     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n     * `start` is specified without an `end` or `step`. If `end` is not specified,\n     * it's set to `start` with `start` then set to `0`.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.rangeRight\n     * @example\n     *\n     * _.range(4);\n     * // => [0, 1, 2, 3]\n     *\n     * _.range(-4);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 5);\n     * // => [1, 2, 3, 4]\n     *\n     * _.range(0, 20, 5);\n     * // => [0, 5, 10, 15]\n     *\n     * _.range(0, -4, -1);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.range(0);\n     * // => []\n     */\n    var range = createRange();\n\n    /**\n     * This method is like `_.range` except that it populates values in\n     * descending order.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.range\n     * @example\n     *\n     * _.rangeRight(4);\n     * // => [3, 2, 1, 0]\n     *\n     * _.rangeRight(-4);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 5);\n     * // => [4, 3, 2, 1]\n     *\n     * _.rangeRight(0, 20, 5);\n     * // => [15, 10, 5, 0]\n     *\n     * _.rangeRight(0, -4, -1);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.rangeRight(0);\n     * // => []\n     */\n    var rangeRight = createRange(true);\n\n    /**\n     * This method returns a new empty array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Array} Returns the new empty array.\n     * @example\n     *\n     * var arrays = _.times(2, _.stubArray);\n     *\n     * console.log(arrays);\n     * // => [[], []]\n     *\n     * console.log(arrays[0] === arrays[1]);\n     * // => false\n     */\n    function stubArray() {\n      return [];\n    }\n\n    /**\n     * This method returns `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `false`.\n     * @example\n     *\n     * _.times(2, _.stubFalse);\n     * // => [false, false]\n     */\n    function stubFalse() {\n      return false;\n    }\n\n    /**\n     * This method returns a new empty object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Object} Returns the new empty object.\n     * @example\n     *\n     * var objects = _.times(2, _.stubObject);\n     *\n     * console.log(objects);\n     * // => [{}, {}]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => false\n     */\n    function stubObject() {\n      return {};\n    }\n\n    /**\n     * This method returns an empty string.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {string} Returns the empty string.\n     * @example\n     *\n     * _.times(2, _.stubString);\n     * // => ['', '']\n     */\n    function stubString() {\n      return '';\n    }\n\n    /**\n     * This method returns `true`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `true`.\n     * @example\n     *\n     * _.times(2, _.stubTrue);\n     * // => [true, true]\n     */\n    function stubTrue() {\n      return true;\n    }\n\n    /**\n     * Invokes the iteratee `n` times, returning an array of the results of\n     * each invocation. The iteratee is invoked with one argument; (index).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} n The number of times to invoke `iteratee`.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.times(3, String);\n     * // => ['0', '1', '2']\n     *\n     *  _.times(4, _.constant(0));\n     * // => [0, 0, 0, 0]\n     */\n    function times(n, iteratee) {\n      n = toInteger(n);\n      if (n < 1 || n > MAX_SAFE_INTEGER) {\n        return [];\n      }\n      var index = MAX_ARRAY_LENGTH,\n          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\n      iteratee = getIteratee(iteratee);\n      n -= MAX_ARRAY_LENGTH;\n\n      var result = baseTimes(length, iteratee);\n      while (++index < n) {\n        iteratee(index);\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a property path array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the new property path array.\n     * @example\n     *\n     * _.toPath('a.b.c');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toPath('a[0].b.c');\n     * // => ['a', '0', 'b', 'c']\n     */\n    function toPath(value) {\n      if (isArray(value)) {\n        return arrayMap(value, toKey);\n      }\n      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n    }\n\n    /**\n     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {string} [prefix=''] The value to prefix the ID with.\n     * @returns {string} Returns the unique ID.\n     * @example\n     *\n     * _.uniqueId('contact_');\n     * // => 'contact_104'\n     *\n     * _.uniqueId();\n     * // => '105'\n     */\n    function uniqueId(prefix) {\n      var id = ++idCounter;\n      return toString(prefix) + id;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Adds two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {number} augend The first number in an addition.\n     * @param {number} addend The second number in an addition.\n     * @returns {number} Returns the total.\n     * @example\n     *\n     * _.add(6, 4);\n     * // => 10\n     */\n    var add = createMathOperation(function(augend, addend) {\n      return augend + addend;\n    }, 0);\n\n    /**\n     * Computes `number` rounded up to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round up.\n     * @param {number} [precision=0] The precision to round up to.\n     * @returns {number} Returns the rounded up number.\n     * @example\n     *\n     * _.ceil(4.006);\n     * // => 5\n     *\n     * _.ceil(6.004, 2);\n     * // => 6.01\n     *\n     * _.ceil(6040, -2);\n     * // => 6100\n     */\n    var ceil = createRound('ceil');\n\n    /**\n     * Divide two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} dividend The first number in a division.\n     * @param {number} divisor The second number in a division.\n     * @returns {number} Returns the quotient.\n     * @example\n     *\n     * _.divide(6, 4);\n     * // => 1.5\n     */\n    var divide = createMathOperation(function(dividend, divisor) {\n      return dividend / divisor;\n    }, 1);\n\n    /**\n     * Computes `number` rounded down to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round down.\n     * @param {number} [precision=0] The precision to round down to.\n     * @returns {number} Returns the rounded down number.\n     * @example\n     *\n     * _.floor(4.006);\n     * // => 4\n     *\n     * _.floor(0.046, 2);\n     * // => 0.04\n     *\n     * _.floor(4060, -2);\n     * // => 4000\n     */\n    var floor = createRound('floor');\n\n    /**\n     * Computes the maximum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * _.max([4, 2, 8, 6]);\n     * // => 8\n     *\n     * _.max([]);\n     * // => undefined\n     */\n    function max(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseGt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.max` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.maxBy(objects, function(o) { return o.n; });\n     * // => { 'n': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.maxBy(objects, 'n');\n     * // => { 'n': 2 }\n     */\n    function maxBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n        : undefined;\n    }\n\n    /**\n     * Computes the mean of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * _.mean([4, 2, 8, 6]);\n     * // => 5\n     */\n    function mean(array) {\n      return baseMean(array, identity);\n    }\n\n    /**\n     * This method is like `_.mean` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be averaged.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.meanBy(objects, function(o) { return o.n; });\n     * // => 5\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.meanBy(objects, 'n');\n     * // => 5\n     */\n    function meanBy(array, iteratee) {\n      return baseMean(array, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * Computes the minimum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * _.min([4, 2, 8, 6]);\n     * // => 2\n     *\n     * _.min([]);\n     * // => undefined\n     */\n    function min(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseLt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.min` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.minBy(objects, function(o) { return o.n; });\n     * // => { 'n': 1 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.minBy(objects, 'n');\n     * // => { 'n': 1 }\n     */\n    function minBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n        : undefined;\n    }\n\n    /**\n     * Multiply two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} multiplier The first number in a multiplication.\n     * @param {number} multiplicand The second number in a multiplication.\n     * @returns {number} Returns the product.\n     * @example\n     *\n     * _.multiply(6, 4);\n     * // => 24\n     */\n    var multiply = createMathOperation(function(multiplier, multiplicand) {\n      return multiplier * multiplicand;\n    }, 1);\n\n    /**\n     * Computes `number` rounded to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round.\n     * @param {number} [precision=0] The precision to round to.\n     * @returns {number} Returns the rounded number.\n     * @example\n     *\n     * _.round(4.006);\n     * // => 4\n     *\n     * _.round(4.006, 2);\n     * // => 4.01\n     *\n     * _.round(4060, -2);\n     * // => 4100\n     */\n    var round = createRound('round');\n\n    /**\n     * Subtract two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {number} minuend The first number in a subtraction.\n     * @param {number} subtrahend The second number in a subtraction.\n     * @returns {number} Returns the difference.\n     * @example\n     *\n     * _.subtract(6, 4);\n     * // => 2\n     */\n    var subtract = createMathOperation(function(minuend, subtrahend) {\n      return minuend - subtrahend;\n    }, 0);\n\n    /**\n     * Computes the sum of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * _.sum([4, 2, 8, 6]);\n     * // => 20\n     */\n    function sum(array) {\n      return (array && array.length)\n        ? baseSum(array, identity)\n        : 0;\n    }\n\n    /**\n     * This method is like `_.sum` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be summed.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.sumBy(objects, function(o) { return o.n; });\n     * // => 20\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sumBy(objects, 'n');\n     * // => 20\n     */\n    function sumBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSum(array, getIteratee(iteratee, 2))\n        : 0;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return wrapped values in chain sequences.\n    lodash.after = after;\n    lodash.ary = ary;\n    lodash.assign = assign;\n    lodash.assignIn = assignIn;\n    lodash.assignInWith = assignInWith;\n    lodash.assignWith = assignWith;\n    lodash.at = at;\n    lodash.before = before;\n    lodash.bind = bind;\n    lodash.bindAll = bindAll;\n    lodash.bindKey = bindKey;\n    lodash.castArray = castArray;\n    lodash.chain = chain;\n    lodash.chunk = chunk;\n    lodash.compact = compact;\n    lodash.concat = concat;\n    lodash.cond = cond;\n    lodash.conforms = conforms;\n    lodash.constant = constant;\n    lodash.countBy = countBy;\n    lodash.create = create;\n    lodash.curry = curry;\n    lodash.curryRight = curryRight;\n    lodash.debounce = debounce;\n    lodash.defaults = defaults;\n    lodash.defaultsDeep = defaultsDeep;\n    lodash.defer = defer;\n    lodash.delay = delay;\n    lodash.difference = difference;\n    lodash.differenceBy = differenceBy;\n    lodash.differenceWith = differenceWith;\n    lodash.drop = drop;\n    lodash.dropRight = dropRight;\n    lodash.dropRightWhile = dropRightWhile;\n    lodash.dropWhile = dropWhile;\n    lodash.fill = fill;\n    lodash.filter = filter;\n    lodash.flatMap = flatMap;\n    lodash.flatMapDeep = flatMapDeep;\n    lodash.flatMapDepth = flatMapDepth;\n    lodash.flatten = flatten;\n    lodash.flattenDeep = flattenDeep;\n    lodash.flattenDepth = flattenDepth;\n    lodash.flip = flip;\n    lodash.flow = flow;\n    lodash.flowRight = flowRight;\n    lodash.fromPairs = fromPairs;\n    lodash.functions = functions;\n    lodash.functionsIn = functionsIn;\n    lodash.groupBy = groupBy;\n    lodash.initial = initial;\n    lodash.intersection = intersection;\n    lodash.intersectionBy = intersectionBy;\n    lodash.intersectionWith = intersectionWith;\n    lodash.invert = invert;\n    lodash.invertBy = invertBy;\n    lodash.invokeMap = invokeMap;\n    lodash.iteratee = iteratee;\n    lodash.keyBy = keyBy;\n    lodash.keys = keys;\n    lodash.keysIn = keysIn;\n    lodash.map = map;\n    lodash.mapKeys = mapKeys;\n    lodash.mapValues = mapValues;\n    lodash.matches = matches;\n    lodash.matchesProperty = matchesProperty;\n    lodash.memoize = memoize;\n    lodash.merge = merge;\n    lodash.mergeWith = mergeWith;\n    lodash.method = method;\n    lodash.methodOf = methodOf;\n    lodash.mixin = mixin;\n    lodash.negate = negate;\n    lodash.nthArg = nthArg;\n    lodash.omit = omit;\n    lodash.omitBy = omitBy;\n    lodash.once = once;\n    lodash.orderBy = orderBy;\n    lodash.over = over;\n    lodash.overArgs = overArgs;\n    lodash.overEvery = overEvery;\n    lodash.overSome = overSome;\n    lodash.partial = partial;\n    lodash.partialRight = partialRight;\n    lodash.partition = partition;\n    lodash.pick = pick;\n    lodash.pickBy = pickBy;\n    lodash.property = property;\n    lodash.propertyOf = propertyOf;\n    lodash.pull = pull;\n    lodash.pullAll = pullAll;\n    lodash.pullAllBy = pullAllBy;\n    lodash.pullAllWith = pullAllWith;\n    lodash.pullAt = pullAt;\n    lodash.range = range;\n    lodash.rangeRight = rangeRight;\n    lodash.rearg = rearg;\n    lodash.reject = reject;\n    lodash.remove = remove;\n    lodash.rest = rest;\n    lodash.reverse = reverse;\n    lodash.sampleSize = sampleSize;\n    lodash.set = set;\n    lodash.setWith = setWith;\n    lodash.shuffle = shuffle;\n    lodash.slice = slice;\n    lodash.sortBy = sortBy;\n    lodash.sortedUniq = sortedUniq;\n    lodash.sortedUniqBy = sortedUniqBy;\n    lodash.split = split;\n    lodash.spread = spread;\n    lodash.tail = tail;\n    lodash.take = take;\n    lodash.takeRight = takeRight;\n    lodash.takeRightWhile = takeRightWhile;\n    lodash.takeWhile = takeWhile;\n    lodash.tap = tap;\n    lodash.throttle = throttle;\n    lodash.thru = thru;\n    lodash.toArray = toArray;\n    lodash.toPairs = toPairs;\n    lodash.toPairsIn = toPairsIn;\n    lodash.toPath = toPath;\n    lodash.toPlainObject = toPlainObject;\n    lodash.transform = transform;\n    lodash.unary = unary;\n    lodash.union = union;\n    lodash.unionBy = unionBy;\n    lodash.unionWith = unionWith;\n    lodash.uniq = uniq;\n    lodash.uniqBy = uniqBy;\n    lodash.uniqWith = uniqWith;\n    lodash.unset = unset;\n    lodash.unzip = unzip;\n    lodash.unzipWith = unzipWith;\n    lodash.update = update;\n    lodash.updateWith = updateWith;\n    lodash.values = values;\n    lodash.valuesIn = valuesIn;\n    lodash.without = without;\n    lodash.words = words;\n    lodash.wrap = wrap;\n    lodash.xor = xor;\n    lodash.xorBy = xorBy;\n    lodash.xorWith = xorWith;\n    lodash.zip = zip;\n    lodash.zipObject = zipObject;\n    lodash.zipObjectDeep = zipObjectDeep;\n    lodash.zipWith = zipWith;\n\n    // Add aliases.\n    lodash.entries = toPairs;\n    lodash.entriesIn = toPairsIn;\n    lodash.extend = assignIn;\n    lodash.extendWith = assignInWith;\n\n    // Add methods to `lodash.prototype`.\n    mixin(lodash, lodash);\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return unwrapped values in chain sequences.\n    lodash.add = add;\n    lodash.attempt = attempt;\n    lodash.camelCase = camelCase;\n    lodash.capitalize = capitalize;\n    lodash.ceil = ceil;\n    lodash.clamp = clamp;\n    lodash.clone = clone;\n    lodash.cloneDeep = cloneDeep;\n    lodash.cloneDeepWith = cloneDeepWith;\n    lodash.cloneWith = cloneWith;\n    lodash.conformsTo = conformsTo;\n    lodash.deburr = deburr;\n    lodash.defaultTo = defaultTo;\n    lodash.divide = divide;\n    lodash.endsWith = endsWith;\n    lodash.eq = eq;\n    lodash.escape = escape;\n    lodash.escapeRegExp = escapeRegExp;\n    lodash.every = every;\n    lodash.find = find;\n    lodash.findIndex = findIndex;\n    lodash.findKey = findKey;\n    lodash.findLast = findLast;\n    lodash.findLastIndex = findLastIndex;\n    lodash.findLastKey = findLastKey;\n    lodash.floor = floor;\n    lodash.forEach = forEach;\n    lodash.forEachRight = forEachRight;\n    lodash.forIn = forIn;\n    lodash.forInRight = forInRight;\n    lodash.forOwn = forOwn;\n    lodash.forOwnRight = forOwnRight;\n    lodash.get = get;\n    lodash.gt = gt;\n    lodash.gte = gte;\n    lodash.has = has;\n    lodash.hasIn = hasIn;\n    lodash.head = head;\n    lodash.identity = identity;\n    lodash.includes = includes;\n    lodash.indexOf = indexOf;\n    lodash.inRange = inRange;\n    lodash.invoke = invoke;\n    lodash.isArguments = isArguments;\n    lodash.isArray = isArray;\n    lodash.isArrayBuffer = isArrayBuffer;\n    lodash.isArrayLike = isArrayLike;\n    lodash.isArrayLikeObject = isArrayLikeObject;\n    lodash.isBoolean = isBoolean;\n    lodash.isBuffer = isBuffer;\n    lodash.isDate = isDate;\n    lodash.isElement = isElement;\n    lodash.isEmpty = isEmpty;\n    lodash.isEqual = isEqual;\n    lodash.isEqualWith = isEqualWith;\n    lodash.isError = isError;\n    lodash.isFinite = isFinite;\n    lodash.isFunction = isFunction;\n    lodash.isInteger = isInteger;\n    lodash.isLength = isLength;\n    lodash.isMap = isMap;\n    lodash.isMatch = isMatch;\n    lodash.isMatchWith = isMatchWith;\n    lodash.isNaN = isNaN;\n    lodash.isNative = isNative;\n    lodash.isNil = isNil;\n    lodash.isNull = isNull;\n    lodash.isNumber = isNumber;\n    lodash.isObject = isObject;\n    lodash.isObjectLike = isObjectLike;\n    lodash.isPlainObject = isPlainObject;\n    lodash.isRegExp = isRegExp;\n    lodash.isSafeInteger = isSafeInteger;\n    lodash.isSet = isSet;\n    lodash.isString = isString;\n    lodash.isSymbol = isSymbol;\n    lodash.isTypedArray = isTypedArray;\n    lodash.isUndefined = isUndefined;\n    lodash.isWeakMap = isWeakMap;\n    lodash.isWeakSet = isWeakSet;\n    lodash.join = join;\n    lodash.kebabCase = kebabCase;\n    lodash.last = last;\n    lodash.lastIndexOf = lastIndexOf;\n    lodash.lowerCase = lowerCase;\n    lodash.lowerFirst = lowerFirst;\n    lodash.lt = lt;\n    lodash.lte = lte;\n    lodash.max = max;\n    lodash.maxBy = maxBy;\n    lodash.mean = mean;\n    lodash.meanBy = meanBy;\n    lodash.min = min;\n    lodash.minBy = minBy;\n    lodash.stubArray = stubArray;\n    lodash.stubFalse = stubFalse;\n    lodash.stubObject = stubObject;\n    lodash.stubString = stubString;\n    lodash.stubTrue = stubTrue;\n    lodash.multiply = multiply;\n    lodash.nth = nth;\n    lodash.noConflict = noConflict;\n    lodash.noop = noop;\n    lodash.now = now;\n    lodash.pad = pad;\n    lodash.padEnd = padEnd;\n    lodash.padStart = padStart;\n    lodash.parseInt = parseInt;\n    lodash.random = random;\n    lodash.reduce = reduce;\n    lodash.reduceRight = reduceRight;\n    lodash.repeat = repeat;\n    lodash.replace = replace;\n    lodash.result = result;\n    lodash.round = round;\n    lodash.runInContext = runInContext;\n    lodash.sample = sample;\n    lodash.size = size;\n    lodash.snakeCase = snakeCase;\n    lodash.some = some;\n    lodash.sortedIndex = sortedIndex;\n    lodash.sortedIndexBy = sortedIndexBy;\n    lodash.sortedIndexOf = sortedIndexOf;\n    lodash.sortedLastIndex = sortedLastIndex;\n    lodash.sortedLastIndexBy = sortedLastIndexBy;\n    lodash.sortedLastIndexOf = sortedLastIndexOf;\n    lodash.startCase = startCase;\n    lodash.startsWith = startsWith;\n    lodash.subtract = subtract;\n    lodash.sum = sum;\n    lodash.sumBy = sumBy;\n    lodash.template = template;\n    lodash.times = times;\n    lodash.toFinite = toFinite;\n    lodash.toInteger = toInteger;\n    lodash.toLength = toLength;\n    lodash.toLower = toLower;\n    lodash.toNumber = toNumber;\n    lodash.toSafeInteger = toSafeInteger;\n    lodash.toString = toString;\n    lodash.toUpper = toUpper;\n    lodash.trim = trim;\n    lodash.trimEnd = trimEnd;\n    lodash.trimStart = trimStart;\n    lodash.truncate = truncate;\n    lodash.unescape = unescape;\n    lodash.uniqueId = uniqueId;\n    lodash.upperCase = upperCase;\n    lodash.upperFirst = upperFirst;\n\n    // Add aliases.\n    lodash.each = forEach;\n    lodash.eachRight = forEachRight;\n    lodash.first = head;\n\n    mixin(lodash, (function() {\n      var source = {};\n      baseForOwn(lodash, function(func, methodName) {\n        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n          source[methodName] = func;\n        }\n      });\n      return source;\n    }()), { 'chain': false });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The semantic version number.\n     *\n     * @static\n     * @memberOf _\n     * @type {string}\n     */\n    lodash.VERSION = VERSION;\n\n    // Assign default placeholders.\n    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n      lodash[methodName].placeholder = lodash;\n    });\n\n    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n    arrayEach(['drop', 'take'], function(methodName, index) {\n      LazyWrapper.prototype[methodName] = function(n) {\n        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\n        var result = (this.__filtered__ && !index)\n          ? new LazyWrapper(this)\n          : this.clone();\n\n        if (result.__filtered__) {\n          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n        } else {\n          result.__views__.push({\n            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n          });\n        }\n        return result;\n      };\n\n      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n        return this.reverse()[methodName](n).reverse();\n      };\n    });\n\n    // Add `LazyWrapper` methods that accept an `iteratee` value.\n    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n      var type = index + 1,\n          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\n      LazyWrapper.prototype[methodName] = function(iteratee) {\n        var result = this.clone();\n        result.__iteratees__.push({\n          'iteratee': getIteratee(iteratee, 3),\n          'type': type\n        });\n        result.__filtered__ = result.__filtered__ || isFilter;\n        return result;\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n    arrayEach(['head', 'last'], function(methodName, index) {\n      var takeName = 'take' + (index ? 'Right' : '');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this[takeName](1).value()[0];\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n    arrayEach(['initial', 'tail'], function(methodName, index) {\n      var dropName = 'drop' + (index ? '' : 'Right');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n      };\n    });\n\n    LazyWrapper.prototype.compact = function() {\n      return this.filter(identity);\n    };\n\n    LazyWrapper.prototype.find = function(predicate) {\n      return this.filter(predicate).head();\n    };\n\n    LazyWrapper.prototype.findLast = function(predicate) {\n      return this.reverse().find(predicate);\n    };\n\n    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n      if (typeof path == 'function') {\n        return new LazyWrapper(this);\n      }\n      return this.map(function(value) {\n        return baseInvoke(value, path, args);\n      });\n    });\n\n    LazyWrapper.prototype.reject = function(predicate) {\n      return this.filter(negate(getIteratee(predicate)));\n    };\n\n    LazyWrapper.prototype.slice = function(start, end) {\n      start = toInteger(start);\n\n      var result = this;\n      if (result.__filtered__ && (start > 0 || end < 0)) {\n        return new LazyWrapper(result);\n      }\n      if (start < 0) {\n        result = result.takeRight(-start);\n      } else if (start) {\n        result = result.drop(start);\n      }\n      if (end !== undefined) {\n        end = toInteger(end);\n        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n      }\n      return result;\n    };\n\n    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n      return this.reverse().takeWhile(predicate).reverse();\n    };\n\n    LazyWrapper.prototype.toArray = function() {\n      return this.take(MAX_ARRAY_LENGTH);\n    };\n\n    // Add `LazyWrapper` methods to `lodash.prototype`.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n          isTaker = /^(?:head|last)$/.test(methodName),\n          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n          retUnwrapped = isTaker || /^find/.test(methodName);\n\n      if (!lodashFunc) {\n        return;\n      }\n      lodash.prototype[methodName] = function() {\n        var value = this.__wrapped__,\n            args = isTaker ? [1] : arguments,\n            isLazy = value instanceof LazyWrapper,\n            iteratee = args[0],\n            useLazy = isLazy || isArray(value);\n\n        var interceptor = function(value) {\n          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n          return (isTaker && chainAll) ? result[0] : result;\n        };\n\n        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n          isLazy = useLazy = false;\n        }\n        var chainAll = this.__chain__,\n            isHybrid = !!this.__actions__.length,\n            isUnwrapped = retUnwrapped && !chainAll,\n            onlyLazy = isLazy && !isHybrid;\n\n        if (!retUnwrapped && useLazy) {\n          value = onlyLazy ? value : new LazyWrapper(this);\n          var result = func.apply(value, args);\n          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n          return new LodashWrapper(result, chainAll);\n        }\n        if (isUnwrapped && onlyLazy) {\n          return func.apply(this, args);\n        }\n        result = this.thru(interceptor);\n        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n      };\n    });\n\n    // Add `Array` methods to `lodash.prototype`.\n    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n      var func = arrayProto[methodName],\n          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\n      lodash.prototype[methodName] = function() {\n        var args = arguments;\n        if (retUnwrapped && !this.__chain__) {\n          var value = this.value();\n          return func.apply(isArray(value) ? value : [], args);\n        }\n        return this[chainName](function(value) {\n          return func.apply(isArray(value) ? value : [], args);\n        });\n      };\n    });\n\n    // Map minified method names to their real names.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var lodashFunc = lodash[methodName];\n      if (lodashFunc) {\n        var key = (lodashFunc.name + ''),\n            names = realNames[key] || (realNames[key] = []);\n\n        names.push({ 'name': methodName, 'func': lodashFunc });\n      }\n    });\n\n    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n      'name': 'wrapper',\n      'func': undefined\n    }];\n\n    // Add methods to `LazyWrapper`.\n    LazyWrapper.prototype.clone = lazyClone;\n    LazyWrapper.prototype.reverse = lazyReverse;\n    LazyWrapper.prototype.value = lazyValue;\n\n    // Add chain sequence methods to the `lodash` wrapper.\n    lodash.prototype.at = wrapperAt;\n    lodash.prototype.chain = wrapperChain;\n    lodash.prototype.commit = wrapperCommit;\n    lodash.prototype.next = wrapperNext;\n    lodash.prototype.plant = wrapperPlant;\n    lodash.prototype.reverse = wrapperReverse;\n    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\n    // Add lazy aliases.\n    lodash.prototype.first = lodash.prototype.head;\n\n    if (symIterator) {\n      lodash.prototype[symIterator] = wrapperToIterator;\n    }\n    return lodash;\n  });\n\n  /*--------------------------------------------------------------------------*/\n\n  // Export lodash.\n  var _ = runInContext();\n\n  // Some AMD build optimizers, like r.js, check for condition patterns like:\n  if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {\n    // Expose Lodash on the global object to prevent errors when Lodash is\n    // loaded by a script tag in the presence of an AMD loader.\n    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n    // Use `_.noConflict` to remove Lodash from the global object.\n    root._ = _;\n\n    // Define as an anonymous module so, through path mapping, it can be\n    // referenced as the \"underscore\" module.\n    define(function() {\n      return _;\n    });\n  }\n  // Check for `exports` after `define` in case a build optimizer adds it.\n  else if (freeModule) {\n    // Export for Node.js.\n    (freeModule.exports = _)._ = _;\n    // Export for CommonJS support.\n    freeExports._ = _;\n  }\n  else {\n    // Export to the global object.\n    root._ = _;\n  }\n}.call(this));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio-group/~/lodash/lodash.js\n// module id = 178\n// module chunks = 0","module.exports = { \"default\": require(\"core-js/library/fn/object/define-property\"), __esModule: true };\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/babel-runtime/core-js/object/define-property.js\n// module id = 179\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nexports.default = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/babel-runtime/helpers/classCallCheck.js\n// module id = 180\n// module chunks = 0","\"use strict\";\n\nexports.__esModule = true;\n\nvar _defineProperty = require(\"../core-js/object/define-property\");\n\nvar _defineProperty2 = _interopRequireDefault(_defineProperty);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nexports.default = function () {\n  function defineProperties(target, props) {\n    for (var i = 0; i < props.length; i++) {\n      var descriptor = props[i];\n      descriptor.enumerable = descriptor.enumerable || false;\n      descriptor.configurable = true;\n      if (\"value\" in descriptor) descriptor.writable = true;\n      (0, _defineProperty2.default)(target, descriptor.key, descriptor);\n    }\n  }\n\n  return function (Constructor, protoProps, staticProps) {\n    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n    if (staticProps) defineProperties(Constructor, staticProps);\n    return Constructor;\n  };\n}();\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/babel-runtime/helpers/createClass.js\n// module id = 181\n// module chunks = 0","require('../../modules/es6.object.define-property');\nvar $Object = require('../../modules/_core').Object;\nmodule.exports = function defineProperty(it, key, desc) {\n  return $Object.defineProperty(it, key, desc);\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/fn/object/define-property.js\n// module id = 182\n// module chunks = 0","module.exports = function (it) {\n  if (typeof it != 'function') throw TypeError(it + ' is not a function!');\n  return it;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_a-function.js\n// module id = 183\n// module chunks = 0","var isObject = require('./_is-object');\nmodule.exports = function (it) {\n  if (!isObject(it)) throw TypeError(it + ' is not an object!');\n  return it;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_an-object.js\n// module id = 184\n// module chunks = 0","// optional / simple context binding\nvar aFunction = require('./_a-function');\nmodule.exports = function (fn, that, length) {\n  aFunction(fn);\n  if (that === undefined) return fn;\n  switch (length) {\n    case 1: return function (a) {\n      return fn.call(that, a);\n    };\n    case 2: return function (a, b) {\n      return fn.call(that, a, b);\n    };\n    case 3: return function (a, b, c) {\n      return fn.call(that, a, b, c);\n    };\n  }\n  return function (/* ...args */) {\n    return fn.apply(that, arguments);\n  };\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_ctx.js\n// module id = 185\n// module chunks = 0","var isObject = require('./_is-object');\nvar document = require('./_global').document;\n// typeof document.createElement is 'object' in old IE\nvar is = isObject(document) && isObject(document.createElement);\nmodule.exports = function (it) {\n  return is ? document.createElement(it) : {};\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_dom-create.js\n// module id = 186\n// module chunks = 0","var global = require('./_global');\nvar core = require('./_core');\nvar ctx = require('./_ctx');\nvar hide = require('./_hide');\nvar PROTOTYPE = 'prototype';\n\nvar $export = function (type, name, source) {\n  var IS_FORCED = type & $export.F;\n  var IS_GLOBAL = type & $export.G;\n  var IS_STATIC = type & $export.S;\n  var IS_PROTO = type & $export.P;\n  var IS_BIND = type & $export.B;\n  var IS_WRAP = type & $export.W;\n  var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});\n  var expProto = exports[PROTOTYPE];\n  var target = IS_GLOBAL ? global : IS_STATIC ? global[name] : (global[name] || {})[PROTOTYPE];\n  var key, own, out;\n  if (IS_GLOBAL) source = name;\n  for (key in source) {\n    // contains in native\n    own = !IS_FORCED && target && target[key] !== undefined;\n    if (own && key in exports) continue;\n    // export native or passed\n    out = own ? target[key] : source[key];\n    // prevent global pollution for namespaces\n    exports[key] = IS_GLOBAL && typeof target[key] != 'function' ? source[key]\n    // bind timers to global for call from export context\n    : IS_BIND && own ? ctx(out, global)\n    // wrap global constructors for prevent change them in library\n    : IS_WRAP && target[key] == out ? (function (C) {\n      var F = function (a, b, c) {\n        if (this instanceof C) {\n          switch (arguments.length) {\n            case 0: return new C();\n            case 1: return new C(a);\n            case 2: return new C(a, b);\n          } return new C(a, b, c);\n        } return C.apply(this, arguments);\n      };\n      F[PROTOTYPE] = C[PROTOTYPE];\n      return F;\n    // make static versions for prototype methods\n    })(out) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;\n    // export proto methods to core.%CONSTRUCTOR%.methods.%NAME%\n    if (IS_PROTO) {\n      (exports.virtual || (exports.virtual = {}))[key] = out;\n      // export proto methods to core.%CONSTRUCTOR%.prototype.%NAME%\n      if (type & $export.R && expProto && !expProto[key]) hide(expProto, key, out);\n    }\n  }\n};\n// type bitmap\n$export.F = 1;   // forced\n$export.G = 2;   // global\n$export.S = 4;   // static\n$export.P = 8;   // proto\n$export.B = 16;  // bind\n$export.W = 32;  // wrap\n$export.U = 64;  // safe\n$export.R = 128; // real proto method for `library`\nmodule.exports = $export;\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_export.js\n// module id = 187\n// module chunks = 0","var dP = require('./_object-dp');\nvar createDesc = require('./_property-desc');\nmodule.exports = require('./_descriptors') ? function (object, key, value) {\n  return dP.f(object, key, createDesc(1, value));\n} : function (object, key, value) {\n  object[key] = value;\n  return object;\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_hide.js\n// module id = 188\n// module chunks = 0","module.exports = !require('./_descriptors') && !require('./_fails')(function () {\n  return Object.defineProperty(require('./_dom-create')('div'), 'a', { get: function () { return 7; } }).a != 7;\n});\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_ie8-dom-define.js\n// module id = 189\n// module chunks = 0","module.exports = function (bitmap, value) {\n  return {\n    enumerable: !(bitmap & 1),\n    configurable: !(bitmap & 2),\n    writable: !(bitmap & 4),\n    value: value\n  };\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_property-desc.js\n// module id = 190\n// module chunks = 0","// 7.1.1 ToPrimitive(input [, PreferredType])\nvar isObject = require('./_is-object');\n// instead of the ES6 spec version, we didn't implement @@toPrimitive case\n// and the second argument - flag - preferred type is a string\nmodule.exports = function (it, S) {\n  if (!isObject(it)) return it;\n  var fn, val;\n  if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n  if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;\n  if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;\n  throw TypeError(\"Can't convert object to primitive value\");\n};\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/_to-primitive.js\n// module id = 191\n// module chunks = 0","var $export = require('./_export');\n// 19.1.2.4 / 15.2.3.6 Object.defineProperty(O, P, Attributes)\n$export($export.S + $export.F * !require('./_descriptors'), 'Object', { defineProperty: require('./_object-dp').f });\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/core-js/library/modules/es6.object.define-property.js\n// module id = 192\n// module chunks = 0","/**\n * @license\n * Lodash <https://lodash.com/>\n * Copyright JS Foundation and other contributors <https://js.foundation/>\n * Released under MIT license <https://lodash.com/license>\n * Based on Underscore.js 1.8.3 <http://underscorejs.org/LICENSE>\n * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n */\n;(function() {\n\n  /** Used as a safe reference for `undefined` in pre-ES5 environments. */\n  var undefined;\n\n  /** Used as the semantic version number. */\n  var VERSION = '4.17.4';\n\n  /** Used as the size to enable large array optimizations. */\n  var LARGE_ARRAY_SIZE = 200;\n\n  /** Error message constants. */\n  var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',\n      FUNC_ERROR_TEXT = 'Expected a function';\n\n  /** Used to stand-in for `undefined` hash values. */\n  var HASH_UNDEFINED = '__lodash_hash_undefined__';\n\n  /** Used as the maximum memoize cache size. */\n  var MAX_MEMOIZE_SIZE = 500;\n\n  /** Used as the internal argument placeholder. */\n  var PLACEHOLDER = '__lodash_placeholder__';\n\n  /** Used to compose bitmasks for cloning. */\n  var CLONE_DEEP_FLAG = 1,\n      CLONE_FLAT_FLAG = 2,\n      CLONE_SYMBOLS_FLAG = 4;\n\n  /** Used to compose bitmasks for value comparisons. */\n  var COMPARE_PARTIAL_FLAG = 1,\n      COMPARE_UNORDERED_FLAG = 2;\n\n  /** Used to compose bitmasks for function metadata. */\n  var WRAP_BIND_FLAG = 1,\n      WRAP_BIND_KEY_FLAG = 2,\n      WRAP_CURRY_BOUND_FLAG = 4,\n      WRAP_CURRY_FLAG = 8,\n      WRAP_CURRY_RIGHT_FLAG = 16,\n      WRAP_PARTIAL_FLAG = 32,\n      WRAP_PARTIAL_RIGHT_FLAG = 64,\n      WRAP_ARY_FLAG = 128,\n      WRAP_REARG_FLAG = 256,\n      WRAP_FLIP_FLAG = 512;\n\n  /** Used as default options for `_.truncate`. */\n  var DEFAULT_TRUNC_LENGTH = 30,\n      DEFAULT_TRUNC_OMISSION = '...';\n\n  /** Used to detect hot functions by number of calls within a span of milliseconds. */\n  var HOT_COUNT = 800,\n      HOT_SPAN = 16;\n\n  /** Used to indicate the type of lazy iteratees. */\n  var LAZY_FILTER_FLAG = 1,\n      LAZY_MAP_FLAG = 2,\n      LAZY_WHILE_FLAG = 3;\n\n  /** Used as references for various `Number` constants. */\n  var INFINITY = 1 / 0,\n      MAX_SAFE_INTEGER = 9007199254740991,\n      MAX_INTEGER = 1.7976931348623157e+308,\n      NAN = 0 / 0;\n\n  /** Used as references for the maximum length and index of an array. */\n  var MAX_ARRAY_LENGTH = 4294967295,\n      MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,\n      HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;\n\n  /** Used to associate wrap methods with their bit flags. */\n  var wrapFlags = [\n    ['ary', WRAP_ARY_FLAG],\n    ['bind', WRAP_BIND_FLAG],\n    ['bindKey', WRAP_BIND_KEY_FLAG],\n    ['curry', WRAP_CURRY_FLAG],\n    ['curryRight', WRAP_CURRY_RIGHT_FLAG],\n    ['flip', WRAP_FLIP_FLAG],\n    ['partial', WRAP_PARTIAL_FLAG],\n    ['partialRight', WRAP_PARTIAL_RIGHT_FLAG],\n    ['rearg', WRAP_REARG_FLAG]\n  ];\n\n  /** `Object#toString` result references. */\n  var argsTag = '[object Arguments]',\n      arrayTag = '[object Array]',\n      asyncTag = '[object AsyncFunction]',\n      boolTag = '[object Boolean]',\n      dateTag = '[object Date]',\n      domExcTag = '[object DOMException]',\n      errorTag = '[object Error]',\n      funcTag = '[object Function]',\n      genTag = '[object GeneratorFunction]',\n      mapTag = '[object Map]',\n      numberTag = '[object Number]',\n      nullTag = '[object Null]',\n      objectTag = '[object Object]',\n      promiseTag = '[object Promise]',\n      proxyTag = '[object Proxy]',\n      regexpTag = '[object RegExp]',\n      setTag = '[object Set]',\n      stringTag = '[object String]',\n      symbolTag = '[object Symbol]',\n      undefinedTag = '[object Undefined]',\n      weakMapTag = '[object WeakMap]',\n      weakSetTag = '[object WeakSet]';\n\n  var arrayBufferTag = '[object ArrayBuffer]',\n      dataViewTag = '[object DataView]',\n      float32Tag = '[object Float32Array]',\n      float64Tag = '[object Float64Array]',\n      int8Tag = '[object Int8Array]',\n      int16Tag = '[object Int16Array]',\n      int32Tag = '[object Int32Array]',\n      uint8Tag = '[object Uint8Array]',\n      uint8ClampedTag = '[object Uint8ClampedArray]',\n      uint16Tag = '[object Uint16Array]',\n      uint32Tag = '[object Uint32Array]';\n\n  /** Used to match empty string literals in compiled template source. */\n  var reEmptyStringLeading = /\\b__p \\+= '';/g,\n      reEmptyStringMiddle = /\\b(__p \\+=) '' \\+/g,\n      reEmptyStringTrailing = /(__e\\(.*?\\)|\\b__t\\)) \\+\\n'';/g;\n\n  /** Used to match HTML entities and HTML characters. */\n  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,\n      reUnescapedHtml = /[&<>\"']/g,\n      reHasEscapedHtml = RegExp(reEscapedHtml.source),\n      reHasUnescapedHtml = RegExp(reUnescapedHtml.source);\n\n  /** Used to match template delimiters. */\n  var reEscape = /<%-([\\s\\S]+?)%>/g,\n      reEvaluate = /<%([\\s\\S]+?)%>/g,\n      reInterpolate = /<%=([\\s\\S]+?)%>/g;\n\n  /** Used to match property names within property paths. */\n  var reIsDeepProp = /\\.|\\[(?:[^[\\]]*|([\"'])(?:(?!\\1)[^\\\\]|\\\\.)*?\\1)\\]/,\n      reIsPlainProp = /^\\w*$/,\n      reLeadingDot = /^\\./,\n      rePropName = /[^.[\\]]+|\\[(?:(-?\\d+(?:\\.\\d+)?)|([\"'])((?:(?!\\2)[^\\\\]|\\\\.)*?)\\2)\\]|(?=(?:\\.|\\[\\])(?:\\.|\\[\\]|$))/g;\n\n  /**\n   * Used to match `RegExp`\n   * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).\n   */\n  var reRegExpChar = /[\\\\^$.*+?()[\\]{}|]/g,\n      reHasRegExpChar = RegExp(reRegExpChar.source);\n\n  /** Used to match leading and trailing whitespace. */\n  var reTrim = /^\\s+|\\s+$/g,\n      reTrimStart = /^\\s+/,\n      reTrimEnd = /\\s+$/;\n\n  /** Used to match wrap detail comments. */\n  var reWrapComment = /\\{(?:\\n\\/\\* \\[wrapped with .+\\] \\*\\/)?\\n?/,\n      reWrapDetails = /\\{\\n\\/\\* \\[wrapped with (.+)\\] \\*/,\n      reSplitDetails = /,? & /;\n\n  /** Used to match words composed of alphanumeric characters. */\n  var reAsciiWord = /[^\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\x7f]+/g;\n\n  /** Used to match backslashes in property paths. */\n  var reEscapeChar = /\\\\(\\\\)?/g;\n\n  /**\n   * Used to match\n   * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).\n   */\n  var reEsTemplate = /\\$\\{([^\\\\}]*(?:\\\\.[^\\\\}]*)*)\\}/g;\n\n  /** Used to match `RegExp` flags from their coerced string values. */\n  var reFlags = /\\w*$/;\n\n  /** Used to detect bad signed hexadecimal string values. */\n  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;\n\n  /** Used to detect binary string values. */\n  var reIsBinary = /^0b[01]+$/i;\n\n  /** Used to detect host constructors (Safari). */\n  var reIsHostCtor = /^\\[object .+?Constructor\\]$/;\n\n  /** Used to detect octal string values. */\n  var reIsOctal = /^0o[0-7]+$/i;\n\n  /** Used to detect unsigned integer values. */\n  var reIsUint = /^(?:0|[1-9]\\d*)$/;\n\n  /** Used to match Latin Unicode letters (excluding mathematical operators). */\n  var reLatin = /[\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\xff\\u0100-\\u017f]/g;\n\n  /** Used to ensure capturing order of template delimiters. */\n  var reNoMatch = /($^)/;\n\n  /** Used to match unescaped characters in compiled string literals. */\n  var reUnescapedString = /['\\n\\r\\u2028\\u2029\\\\]/g;\n\n  /** Used to compose unicode character classes. */\n  var rsAstralRange = '\\\\ud800-\\\\udfff',\n      rsComboMarksRange = '\\\\u0300-\\\\u036f',\n      reComboHalfMarksRange = '\\\\ufe20-\\\\ufe2f',\n      rsComboSymbolsRange = '\\\\u20d0-\\\\u20ff',\n      rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange,\n      rsDingbatRange = '\\\\u2700-\\\\u27bf',\n      rsLowerRange = 'a-z\\\\xdf-\\\\xf6\\\\xf8-\\\\xff',\n      rsMathOpRange = '\\\\xac\\\\xb1\\\\xd7\\\\xf7',\n      rsNonCharRange = '\\\\x00-\\\\x2f\\\\x3a-\\\\x40\\\\x5b-\\\\x60\\\\x7b-\\\\xbf',\n      rsPunctuationRange = '\\\\u2000-\\\\u206f',\n      rsSpaceRange = ' \\\\t\\\\x0b\\\\f\\\\xa0\\\\ufeff\\\\n\\\\r\\\\u2028\\\\u2029\\\\u1680\\\\u180e\\\\u2000\\\\u2001\\\\u2002\\\\u2003\\\\u2004\\\\u2005\\\\u2006\\\\u2007\\\\u2008\\\\u2009\\\\u200a\\\\u202f\\\\u205f\\\\u3000',\n      rsUpperRange = 'A-Z\\\\xc0-\\\\xd6\\\\xd8-\\\\xde',\n      rsVarRange = '\\\\ufe0e\\\\ufe0f',\n      rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;\n\n  /** Used to compose unicode capture groups. */\n  var rsApos = \"['\\u2019]\",\n      rsAstral = '[' + rsAstralRange + ']',\n      rsBreak = '[' + rsBreakRange + ']',\n      rsCombo = '[' + rsComboRange + ']',\n      rsDigits = '\\\\d+',\n      rsDingbat = '[' + rsDingbatRange + ']',\n      rsLower = '[' + rsLowerRange + ']',\n      rsMisc = '[^' + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + ']',\n      rsFitz = '\\\\ud83c[\\\\udffb-\\\\udfff]',\n      rsModifier = '(?:' + rsCombo + '|' + rsFitz + ')',\n      rsNonAstral = '[^' + rsAstralRange + ']',\n      rsRegional = '(?:\\\\ud83c[\\\\udde6-\\\\uddff]){2}',\n      rsSurrPair = '[\\\\ud800-\\\\udbff][\\\\udc00-\\\\udfff]',\n      rsUpper = '[' + rsUpperRange + ']',\n      rsZWJ = '\\\\u200d';\n\n  /** Used to compose unicode regexes. */\n  var rsMiscLower = '(?:' + rsLower + '|' + rsMisc + ')',\n      rsMiscUpper = '(?:' + rsUpper + '|' + rsMisc + ')',\n      rsOptContrLower = '(?:' + rsApos + '(?:d|ll|m|re|s|t|ve))?',\n      rsOptContrUpper = '(?:' + rsApos + '(?:D|LL|M|RE|S|T|VE))?',\n      reOptMod = rsModifier + '?',\n      rsOptVar = '[' + rsVarRange + ']?',\n      rsOptJoin = '(?:' + rsZWJ + '(?:' + [rsNonAstral, rsRegional, rsSurrPair].join('|') + ')' + rsOptVar + reOptMod + ')*',\n      rsOrdLower = '\\\\d*(?:(?:1st|2nd|3rd|(?![123])\\\\dth)\\\\b)',\n      rsOrdUpper = '\\\\d*(?:(?:1ST|2ND|3RD|(?![123])\\\\dTH)\\\\b)',\n      rsSeq = rsOptVar + reOptMod + rsOptJoin,\n      rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,\n      rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';\n\n  /** Used to match apostrophes. */\n  var reApos = RegExp(rsApos, 'g');\n\n  /**\n   * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and\n   * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).\n   */\n  var reComboMark = RegExp(rsCombo, 'g');\n\n  /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */\n  var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');\n\n  /** Used to match complex or compound words. */\n  var reUnicodeWord = RegExp([\n    rsUpper + '?' + rsLower + '+' + rsOptContrLower + '(?=' + [rsBreak, rsUpper, '$'].join('|') + ')',\n    rsMiscUpper + '+' + rsOptContrUpper + '(?=' + [rsBreak, rsUpper + rsMiscLower, '$'].join('|') + ')',\n    rsUpper + '?' + rsMiscLower + '+' + rsOptContrLower,\n    rsUpper + '+' + rsOptContrUpper,\n    rsOrdUpper,\n    rsOrdLower,\n    rsDigits,\n    rsEmoji\n  ].join('|'), 'g');\n\n  /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */\n  var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange  + rsComboRange + rsVarRange + ']');\n\n  /** Used to detect strings that need a more robust regexp to match words. */\n  var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2,}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;\n\n  /** Used to assign default `context` object properties. */\n  var contextProps = [\n    'Array', 'Buffer', 'DataView', 'Date', 'Error', 'Float32Array', 'Float64Array',\n    'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Map', 'Math', 'Object',\n    'Promise', 'RegExp', 'Set', 'String', 'Symbol', 'TypeError', 'Uint8Array',\n    'Uint8ClampedArray', 'Uint16Array', 'Uint32Array', 'WeakMap',\n    '_', 'clearTimeout', 'isFinite', 'parseInt', 'setTimeout'\n  ];\n\n  /** Used to make template sourceURLs easier to identify. */\n  var templateCounter = -1;\n\n  /** Used to identify `toStringTag` values of typed arrays. */\n  var typedArrayTags = {};\n  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =\n  typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =\n  typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =\n  typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =\n  typedArrayTags[uint32Tag] = true;\n  typedArrayTags[argsTag] = typedArrayTags[arrayTag] =\n  typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =\n  typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =\n  typedArrayTags[errorTag] = typedArrayTags[funcTag] =\n  typedArrayTags[mapTag] = typedArrayTags[numberTag] =\n  typedArrayTags[objectTag] = typedArrayTags[regexpTag] =\n  typedArrayTags[setTag] = typedArrayTags[stringTag] =\n  typedArrayTags[weakMapTag] = false;\n\n  /** Used to identify `toStringTag` values supported by `_.clone`. */\n  var cloneableTags = {};\n  cloneableTags[argsTag] = cloneableTags[arrayTag] =\n  cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =\n  cloneableTags[boolTag] = cloneableTags[dateTag] =\n  cloneableTags[float32Tag] = cloneableTags[float64Tag] =\n  cloneableTags[int8Tag] = cloneableTags[int16Tag] =\n  cloneableTags[int32Tag] = cloneableTags[mapTag] =\n  cloneableTags[numberTag] = cloneableTags[objectTag] =\n  cloneableTags[regexpTag] = cloneableTags[setTag] =\n  cloneableTags[stringTag] = cloneableTags[symbolTag] =\n  cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =\n  cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;\n  cloneableTags[errorTag] = cloneableTags[funcTag] =\n  cloneableTags[weakMapTag] = false;\n\n  /** Used to map Latin Unicode letters to basic Latin letters. */\n  var deburredLetters = {\n    // Latin-1 Supplement block.\n    '\\xc0': 'A',  '\\xc1': 'A', '\\xc2': 'A', '\\xc3': 'A', '\\xc4': 'A', '\\xc5': 'A',\n    '\\xe0': 'a',  '\\xe1': 'a', '\\xe2': 'a', '\\xe3': 'a', '\\xe4': 'a', '\\xe5': 'a',\n    '\\xc7': 'C',  '\\xe7': 'c',\n    '\\xd0': 'D',  '\\xf0': 'd',\n    '\\xc8': 'E',  '\\xc9': 'E', '\\xca': 'E', '\\xcb': 'E',\n    '\\xe8': 'e',  '\\xe9': 'e', '\\xea': 'e', '\\xeb': 'e',\n    '\\xcc': 'I',  '\\xcd': 'I', '\\xce': 'I', '\\xcf': 'I',\n    '\\xec': 'i',  '\\xed': 'i', '\\xee': 'i', '\\xef': 'i',\n    '\\xd1': 'N',  '\\xf1': 'n',\n    '\\xd2': 'O',  '\\xd3': 'O', '\\xd4': 'O', '\\xd5': 'O', '\\xd6': 'O', '\\xd8': 'O',\n    '\\xf2': 'o',  '\\xf3': 'o', '\\xf4': 'o', '\\xf5': 'o', '\\xf6': 'o', '\\xf8': 'o',\n    '\\xd9': 'U',  '\\xda': 'U', '\\xdb': 'U', '\\xdc': 'U',\n    '\\xf9': 'u',  '\\xfa': 'u', '\\xfb': 'u', '\\xfc': 'u',\n    '\\xdd': 'Y',  '\\xfd': 'y', '\\xff': 'y',\n    '\\xc6': 'Ae', '\\xe6': 'ae',\n    '\\xde': 'Th', '\\xfe': 'th',\n    '\\xdf': 'ss',\n    // Latin Extended-A block.\n    '\\u0100': 'A',  '\\u0102': 'A', '\\u0104': 'A',\n    '\\u0101': 'a',  '\\u0103': 'a', '\\u0105': 'a',\n    '\\u0106': 'C',  '\\u0108': 'C', '\\u010a': 'C', '\\u010c': 'C',\n    '\\u0107': 'c',  '\\u0109': 'c', '\\u010b': 'c', '\\u010d': 'c',\n    '\\u010e': 'D',  '\\u0110': 'D', '\\u010f': 'd', '\\u0111': 'd',\n    '\\u0112': 'E',  '\\u0114': 'E', '\\u0116': 'E', '\\u0118': 'E', '\\u011a': 'E',\n    '\\u0113': 'e',  '\\u0115': 'e', '\\u0117': 'e', '\\u0119': 'e', '\\u011b': 'e',\n    '\\u011c': 'G',  '\\u011e': 'G', '\\u0120': 'G', '\\u0122': 'G',\n    '\\u011d': 'g',  '\\u011f': 'g', '\\u0121': 'g', '\\u0123': 'g',\n    '\\u0124': 'H',  '\\u0126': 'H', '\\u0125': 'h', '\\u0127': 'h',\n    '\\u0128': 'I',  '\\u012a': 'I', '\\u012c': 'I', '\\u012e': 'I', '\\u0130': 'I',\n    '\\u0129': 'i',  '\\u012b': 'i', '\\u012d': 'i', '\\u012f': 'i', '\\u0131': 'i',\n    '\\u0134': 'J',  '\\u0135': 'j',\n    '\\u0136': 'K',  '\\u0137': 'k', '\\u0138': 'k',\n    '\\u0139': 'L',  '\\u013b': 'L', '\\u013d': 'L', '\\u013f': 'L', '\\u0141': 'L',\n    '\\u013a': 'l',  '\\u013c': 'l', '\\u013e': 'l', '\\u0140': 'l', '\\u0142': 'l',\n    '\\u0143': 'N',  '\\u0145': 'N', '\\u0147': 'N', '\\u014a': 'N',\n    '\\u0144': 'n',  '\\u0146': 'n', '\\u0148': 'n', '\\u014b': 'n',\n    '\\u014c': 'O',  '\\u014e': 'O', '\\u0150': 'O',\n    '\\u014d': 'o',  '\\u014f': 'o', '\\u0151': 'o',\n    '\\u0154': 'R',  '\\u0156': 'R', '\\u0158': 'R',\n    '\\u0155': 'r',  '\\u0157': 'r', '\\u0159': 'r',\n    '\\u015a': 'S',  '\\u015c': 'S', '\\u015e': 'S', '\\u0160': 'S',\n    '\\u015b': 's',  '\\u015d': 's', '\\u015f': 's', '\\u0161': 's',\n    '\\u0162': 'T',  '\\u0164': 'T', '\\u0166': 'T',\n    '\\u0163': 't',  '\\u0165': 't', '\\u0167': 't',\n    '\\u0168': 'U',  '\\u016a': 'U', '\\u016c': 'U', '\\u016e': 'U', '\\u0170': 'U', '\\u0172': 'U',\n    '\\u0169': 'u',  '\\u016b': 'u', '\\u016d': 'u', '\\u016f': 'u', '\\u0171': 'u', '\\u0173': 'u',\n    '\\u0174': 'W',  '\\u0175': 'w',\n    '\\u0176': 'Y',  '\\u0177': 'y', '\\u0178': 'Y',\n    '\\u0179': 'Z',  '\\u017b': 'Z', '\\u017d': 'Z',\n    '\\u017a': 'z',  '\\u017c': 'z', '\\u017e': 'z',\n    '\\u0132': 'IJ', '\\u0133': 'ij',\n    '\\u0152': 'Oe', '\\u0153': 'oe',\n    '\\u0149': \"'n\", '\\u017f': 's'\n  };\n\n  /** Used to map characters to HTML entities. */\n  var htmlEscapes = {\n    '&': '&amp;',\n    '<': '&lt;',\n    '>': '&gt;',\n    '\"': '&quot;',\n    \"'\": '&#39;'\n  };\n\n  /** Used to map HTML entities to characters. */\n  var htmlUnescapes = {\n    '&amp;': '&',\n    '&lt;': '<',\n    '&gt;': '>',\n    '&quot;': '\"',\n    '&#39;': \"'\"\n  };\n\n  /** Used to escape characters for inclusion in compiled string literals. */\n  var stringEscapes = {\n    '\\\\': '\\\\',\n    \"'\": \"'\",\n    '\\n': 'n',\n    '\\r': 'r',\n    '\\u2028': 'u2028',\n    '\\u2029': 'u2029'\n  };\n\n  /** Built-in method references without a dependency on `root`. */\n  var freeParseFloat = parseFloat,\n      freeParseInt = parseInt;\n\n  /** Detect free variable `global` from Node.js. */\n  var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;\n\n  /** Detect free variable `self`. */\n  var freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n  /** Used as a reference to the global object. */\n  var root = freeGlobal || freeSelf || Function('return this')();\n\n  /** Detect free variable `exports`. */\n  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;\n\n  /** Detect free variable `module`. */\n  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;\n\n  /** Detect the popular CommonJS extension `module.exports`. */\n  var moduleExports = freeModule && freeModule.exports === freeExports;\n\n  /** Detect free variable `process` from Node.js. */\n  var freeProcess = moduleExports && freeGlobal.process;\n\n  /** Used to access faster Node.js helpers. */\n  var nodeUtil = (function() {\n    try {\n      return freeProcess && freeProcess.binding && freeProcess.binding('util');\n    } catch (e) {}\n  }());\n\n  /* Node.js helper references. */\n  var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,\n      nodeIsDate = nodeUtil && nodeUtil.isDate,\n      nodeIsMap = nodeUtil && nodeUtil.isMap,\n      nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,\n      nodeIsSet = nodeUtil && nodeUtil.isSet,\n      nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Adds the key-value `pair` to `map`.\n   *\n   * @private\n   * @param {Object} map The map to modify.\n   * @param {Array} pair The key-value pair to add.\n   * @returns {Object} Returns `map`.\n   */\n  function addMapEntry(map, pair) {\n    // Don't return `map.set` because it's not chainable in IE 11.\n    map.set(pair[0], pair[1]);\n    return map;\n  }\n\n  /**\n   * Adds `value` to `set`.\n   *\n   * @private\n   * @param {Object} set The set to modify.\n   * @param {*} value The value to add.\n   * @returns {Object} Returns `set`.\n   */\n  function addSetEntry(set, value) {\n    // Don't return `set.add` because it's not chainable in IE 11.\n    set.add(value);\n    return set;\n  }\n\n  /**\n   * A faster alternative to `Function#apply`, this function invokes `func`\n   * with the `this` binding of `thisArg` and the arguments of `args`.\n   *\n   * @private\n   * @param {Function} func The function to invoke.\n   * @param {*} thisArg The `this` binding of `func`.\n   * @param {Array} args The arguments to invoke `func` with.\n   * @returns {*} Returns the result of `func`.\n   */\n  function apply(func, thisArg, args) {\n    switch (args.length) {\n      case 0: return func.call(thisArg);\n      case 1: return func.call(thisArg, args[0]);\n      case 2: return func.call(thisArg, args[0], args[1]);\n      case 3: return func.call(thisArg, args[0], args[1], args[2]);\n    }\n    return func.apply(thisArg, args);\n  }\n\n  /**\n   * A specialized version of `baseAggregator` for arrays.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} setter The function to set `accumulator` values.\n   * @param {Function} iteratee The iteratee to transform keys.\n   * @param {Object} accumulator The initial aggregated object.\n   * @returns {Function} Returns `accumulator`.\n   */\n  function arrayAggregator(array, setter, iteratee, accumulator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      var value = array[index];\n      setter(accumulator, value, iteratee(value), array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.forEach` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEach(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (iteratee(array[index], index, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.forEachRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayEachRight(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n\n    while (length--) {\n      if (iteratee(array[length], length, array) === false) {\n        break;\n      }\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.every` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if all elements pass the predicate check,\n   *  else `false`.\n   */\n  function arrayEvery(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (!predicate(array[index], index, array)) {\n        return false;\n      }\n    }\n    return true;\n  }\n\n  /**\n   * A specialized version of `_.filter` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {Array} Returns the new filtered array.\n   */\n  function arrayFilter(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (predicate(value, index, array)) {\n        result[resIndex++] = value;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.includes` for arrays without support for\n   * specifying an index to search from.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludes(array, value) {\n    var length = array == null ? 0 : array.length;\n    return !!length && baseIndexOf(array, value, 0) > -1;\n  }\n\n  /**\n   * This function is like `arrayIncludes` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} [array] The array to inspect.\n   * @param {*} target The value to search for.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {boolean} Returns `true` if `target` is found, else `false`.\n   */\n  function arrayIncludesWith(array, value, comparator) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (comparator(value, array[index])) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * A specialized version of `_.map` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the new mapped array.\n   */\n  function arrayMap(array, iteratee) {\n    var index = -1,\n        length = array == null ? 0 : array.length,\n        result = Array(length);\n\n    while (++index < length) {\n      result[index] = iteratee(array[index], index, array);\n    }\n    return result;\n  }\n\n  /**\n   * Appends the elements of `values` to `array`.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {Array} values The values to append.\n   * @returns {Array} Returns `array`.\n   */\n  function arrayPush(array, values) {\n    var index = -1,\n        length = values.length,\n        offset = array.length;\n\n    while (++index < length) {\n      array[offset + index] = values[index];\n    }\n    return array;\n  }\n\n  /**\n   * A specialized version of `_.reduce` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the first element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduce(array, iteratee, accumulator, initAccum) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    if (initAccum && length) {\n      accumulator = array[++index];\n    }\n    while (++index < length) {\n      accumulator = iteratee(accumulator, array[index], index, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.reduceRight` for arrays without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} [accumulator] The initial value.\n   * @param {boolean} [initAccum] Specify using the last element of `array` as\n   *  the initial value.\n   * @returns {*} Returns the accumulated value.\n   */\n  function arrayReduceRight(array, iteratee, accumulator, initAccum) {\n    var length = array == null ? 0 : array.length;\n    if (initAccum && length) {\n      accumulator = array[--length];\n    }\n    while (length--) {\n      accumulator = iteratee(accumulator, array[length], length, array);\n    }\n    return accumulator;\n  }\n\n  /**\n   * A specialized version of `_.some` for arrays without support for iteratee\n   * shorthands.\n   *\n   * @private\n   * @param {Array} [array] The array to iterate over.\n   * @param {Function} predicate The function invoked per iteration.\n   * @returns {boolean} Returns `true` if any element passes the predicate check,\n   *  else `false`.\n   */\n  function arraySome(array, predicate) {\n    var index = -1,\n        length = array == null ? 0 : array.length;\n\n    while (++index < length) {\n      if (predicate(array[index], index, array)) {\n        return true;\n      }\n    }\n    return false;\n  }\n\n  /**\n   * Gets the size of an ASCII `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  var asciiSize = baseProperty('length');\n\n  /**\n   * Converts an ASCII `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function asciiToArray(string) {\n    return string.split('');\n  }\n\n  /**\n   * Splits an ASCII `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function asciiWords(string) {\n    return string.match(reAsciiWord) || [];\n  }\n\n  /**\n   * The base implementation of methods like `_.findKey` and `_.findLastKey`,\n   * without support for iteratee shorthands, which iterates over `collection`\n   * using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the found element or its key, else `undefined`.\n   */\n  function baseFindKey(collection, predicate, eachFunc) {\n    var result;\n    eachFunc(collection, function(value, key, collection) {\n      if (predicate(value, key, collection)) {\n        result = key;\n        return false;\n      }\n    });\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.findIndex` and `_.findLastIndex` without\n   * support for iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {Function} predicate The function invoked per iteration.\n   * @param {number} fromIndex The index to search from.\n   * @param {boolean} [fromRight] Specify iterating from right to left.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseFindIndex(array, predicate, fromIndex, fromRight) {\n    var length = array.length,\n        index = fromIndex + (fromRight ? 1 : -1);\n\n    while ((fromRight ? index-- : ++index < length)) {\n      if (predicate(array[index], index, array)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.indexOf` without `fromIndex` bounds checks.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOf(array, value, fromIndex) {\n    return value === value\n      ? strictIndexOf(array, value, fromIndex)\n      : baseFindIndex(array, baseIsNaN, fromIndex);\n  }\n\n  /**\n   * This function is like `baseIndexOf` except that it accepts a comparator.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @param {Function} comparator The comparator invoked per element.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function baseIndexOfWith(array, value, fromIndex, comparator) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (comparator(array[index], value)) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * The base implementation of `_.isNaN` without support for number objects.\n   *\n   * @private\n   * @param {*} value The value to check.\n   * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n   */\n  function baseIsNaN(value) {\n    return value !== value;\n  }\n\n  /**\n   * The base implementation of `_.mean` and `_.meanBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the mean.\n   */\n  function baseMean(array, iteratee) {\n    var length = array == null ? 0 : array.length;\n    return length ? (baseSum(array, iteratee) / length) : NAN;\n  }\n\n  /**\n   * The base implementation of `_.property` without support for deep paths.\n   *\n   * @private\n   * @param {string} key The key of the property to get.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function baseProperty(key) {\n    return function(object) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.propertyOf` without support for deep paths.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @returns {Function} Returns the new accessor function.\n   */\n  function basePropertyOf(object) {\n    return function(key) {\n      return object == null ? undefined : object[key];\n    };\n  }\n\n  /**\n   * The base implementation of `_.reduce` and `_.reduceRight`, without support\n   * for iteratee shorthands, which iterates over `collection` using `eachFunc`.\n   *\n   * @private\n   * @param {Array|Object} collection The collection to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @param {*} accumulator The initial value.\n   * @param {boolean} initAccum Specify using the first or last element of\n   *  `collection` as the initial value.\n   * @param {Function} eachFunc The function to iterate over `collection`.\n   * @returns {*} Returns the accumulated value.\n   */\n  function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {\n    eachFunc(collection, function(value, index, collection) {\n      accumulator = initAccum\n        ? (initAccum = false, value)\n        : iteratee(accumulator, value, index, collection);\n    });\n    return accumulator;\n  }\n\n  /**\n   * The base implementation of `_.sortBy` which uses `comparer` to define the\n   * sort order of `array` and replaces criteria objects with their corresponding\n   * values.\n   *\n   * @private\n   * @param {Array} array The array to sort.\n   * @param {Function} comparer The function to define sort order.\n   * @returns {Array} Returns `array`.\n   */\n  function baseSortBy(array, comparer) {\n    var length = array.length;\n\n    array.sort(comparer);\n    while (length--) {\n      array[length] = array[length].value;\n    }\n    return array;\n  }\n\n  /**\n   * The base implementation of `_.sum` and `_.sumBy` without support for\n   * iteratee shorthands.\n   *\n   * @private\n   * @param {Array} array The array to iterate over.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {number} Returns the sum.\n   */\n  function baseSum(array, iteratee) {\n    var result,\n        index = -1,\n        length = array.length;\n\n    while (++index < length) {\n      var current = iteratee(array[index]);\n      if (current !== undefined) {\n        result = result === undefined ? current : (result + current);\n      }\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.times` without support for iteratee shorthands\n   * or max array length checks.\n   *\n   * @private\n   * @param {number} n The number of times to invoke `iteratee`.\n   * @param {Function} iteratee The function invoked per iteration.\n   * @returns {Array} Returns the array of results.\n   */\n  function baseTimes(n, iteratee) {\n    var index = -1,\n        result = Array(n);\n\n    while (++index < n) {\n      result[index] = iteratee(index);\n    }\n    return result;\n  }\n\n  /**\n   * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array\n   * of key-value pairs for `object` corresponding to the property names of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the key-value pairs.\n   */\n  function baseToPairs(object, props) {\n    return arrayMap(props, function(key) {\n      return [key, object[key]];\n    });\n  }\n\n  /**\n   * The base implementation of `_.unary` without support for storing metadata.\n   *\n   * @private\n   * @param {Function} func The function to cap arguments for.\n   * @returns {Function} Returns the new capped function.\n   */\n  function baseUnary(func) {\n    return function(value) {\n      return func(value);\n    };\n  }\n\n  /**\n   * The base implementation of `_.values` and `_.valuesIn` which creates an\n   * array of `object` property values corresponding to the property names\n   * of `props`.\n   *\n   * @private\n   * @param {Object} object The object to query.\n   * @param {Array} props The property names to get values for.\n   * @returns {Object} Returns the array of property values.\n   */\n  function baseValues(object, props) {\n    return arrayMap(props, function(key) {\n      return object[key];\n    });\n  }\n\n  /**\n   * Checks if a `cache` value for `key` exists.\n   *\n   * @private\n   * @param {Object} cache The cache to query.\n   * @param {string} key The key of the entry to check.\n   * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n   */\n  function cacheHas(cache, key) {\n    return cache.has(key);\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the first unmatched string symbol.\n   */\n  function charsStartIndex(strSymbols, chrSymbols) {\n    var index = -1,\n        length = strSymbols.length;\n\n    while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol\n   * that is not found in the character symbols.\n   *\n   * @private\n   * @param {Array} strSymbols The string symbols to inspect.\n   * @param {Array} chrSymbols The character symbols to find.\n   * @returns {number} Returns the index of the last unmatched string symbol.\n   */\n  function charsEndIndex(strSymbols, chrSymbols) {\n    var index = strSymbols.length;\n\n    while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}\n    return index;\n  }\n\n  /**\n   * Gets the number of `placeholder` occurrences in `array`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} placeholder The placeholder to search for.\n   * @returns {number} Returns the placeholder count.\n   */\n  function countHolders(array, placeholder) {\n    var length = array.length,\n        result = 0;\n\n    while (length--) {\n      if (array[length] === placeholder) {\n        ++result;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A\n   * letters to basic Latin letters.\n   *\n   * @private\n   * @param {string} letter The matched letter to deburr.\n   * @returns {string} Returns the deburred letter.\n   */\n  var deburrLetter = basePropertyOf(deburredLetters);\n\n  /**\n   * Used by `_.escape` to convert characters to HTML entities.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  var escapeHtmlChar = basePropertyOf(htmlEscapes);\n\n  /**\n   * Used by `_.template` to escape characters for inclusion in compiled string literals.\n   *\n   * @private\n   * @param {string} chr The matched character to escape.\n   * @returns {string} Returns the escaped character.\n   */\n  function escapeStringChar(chr) {\n    return '\\\\' + stringEscapes[chr];\n  }\n\n  /**\n   * Gets the value at `key` of `object`.\n   *\n   * @private\n   * @param {Object} [object] The object to query.\n   * @param {string} key The key of the property to get.\n   * @returns {*} Returns the property value.\n   */\n  function getValue(object, key) {\n    return object == null ? undefined : object[key];\n  }\n\n  /**\n   * Checks if `string` contains Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a symbol is found, else `false`.\n   */\n  function hasUnicode(string) {\n    return reHasUnicode.test(string);\n  }\n\n  /**\n   * Checks if `string` contains a word composed of Unicode symbols.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {boolean} Returns `true` if a word is found, else `false`.\n   */\n  function hasUnicodeWord(string) {\n    return reHasUnicodeWord.test(string);\n  }\n\n  /**\n   * Converts `iterator` to an array.\n   *\n   * @private\n   * @param {Object} iterator The iterator to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function iteratorToArray(iterator) {\n    var data,\n        result = [];\n\n    while (!(data = iterator.next()).done) {\n      result.push(data.value);\n    }\n    return result;\n  }\n\n  /**\n   * Converts `map` to its key-value pairs.\n   *\n   * @private\n   * @param {Object} map The map to convert.\n   * @returns {Array} Returns the key-value pairs.\n   */\n  function mapToArray(map) {\n    var index = -1,\n        result = Array(map.size);\n\n    map.forEach(function(value, key) {\n      result[++index] = [key, value];\n    });\n    return result;\n  }\n\n  /**\n   * Creates a unary function that invokes `func` with its argument transformed.\n   *\n   * @private\n   * @param {Function} func The function to wrap.\n   * @param {Function} transform The argument transform.\n   * @returns {Function} Returns the new function.\n   */\n  function overArg(func, transform) {\n    return function(arg) {\n      return func(transform(arg));\n    };\n  }\n\n  /**\n   * Replaces all `placeholder` elements in `array` with an internal placeholder\n   * and returns an array of their indexes.\n   *\n   * @private\n   * @param {Array} array The array to modify.\n   * @param {*} placeholder The placeholder to replace.\n   * @returns {Array} Returns the new array of placeholder indexes.\n   */\n  function replaceHolders(array, placeholder) {\n    var index = -1,\n        length = array.length,\n        resIndex = 0,\n        result = [];\n\n    while (++index < length) {\n      var value = array[index];\n      if (value === placeholder || value === PLACEHOLDER) {\n        array[index] = PLACEHOLDER;\n        result[resIndex++] = index;\n      }\n    }\n    return result;\n  }\n\n  /**\n   * Converts `set` to an array of its values.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the values.\n   */\n  function setToArray(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = value;\n    });\n    return result;\n  }\n\n  /**\n   * Converts `set` to its value-value pairs.\n   *\n   * @private\n   * @param {Object} set The set to convert.\n   * @returns {Array} Returns the value-value pairs.\n   */\n  function setToPairs(set) {\n    var index = -1,\n        result = Array(set.size);\n\n    set.forEach(function(value) {\n      result[++index] = [value, value];\n    });\n    return result;\n  }\n\n  /**\n   * A specialized version of `_.indexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictIndexOf(array, value, fromIndex) {\n    var index = fromIndex - 1,\n        length = array.length;\n\n    while (++index < length) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return -1;\n  }\n\n  /**\n   * A specialized version of `_.lastIndexOf` which performs strict equality\n   * comparisons of values, i.e. `===`.\n   *\n   * @private\n   * @param {Array} array The array to inspect.\n   * @param {*} value The value to search for.\n   * @param {number} fromIndex The index to search from.\n   * @returns {number} Returns the index of the matched value, else `-1`.\n   */\n  function strictLastIndexOf(array, value, fromIndex) {\n    var index = fromIndex + 1;\n    while (index--) {\n      if (array[index] === value) {\n        return index;\n      }\n    }\n    return index;\n  }\n\n  /**\n   * Gets the number of symbols in `string`.\n   *\n   * @private\n   * @param {string} string The string to inspect.\n   * @returns {number} Returns the string size.\n   */\n  function stringSize(string) {\n    return hasUnicode(string)\n      ? unicodeSize(string)\n      : asciiSize(string);\n  }\n\n  /**\n   * Converts `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function stringToArray(string) {\n    return hasUnicode(string)\n      ? unicodeToArray(string)\n      : asciiToArray(string);\n  }\n\n  /**\n   * Used by `_.unescape` to convert HTML entities to characters.\n   *\n   * @private\n   * @param {string} chr The matched character to unescape.\n   * @returns {string} Returns the unescaped character.\n   */\n  var unescapeHtmlChar = basePropertyOf(htmlUnescapes);\n\n  /**\n   * Gets the size of a Unicode `string`.\n   *\n   * @private\n   * @param {string} string The string inspect.\n   * @returns {number} Returns the string size.\n   */\n  function unicodeSize(string) {\n    var result = reUnicode.lastIndex = 0;\n    while (reUnicode.test(string)) {\n      ++result;\n    }\n    return result;\n  }\n\n  /**\n   * Converts a Unicode `string` to an array.\n   *\n   * @private\n   * @param {string} string The string to convert.\n   * @returns {Array} Returns the converted array.\n   */\n  function unicodeToArray(string) {\n    return string.match(reUnicode) || [];\n  }\n\n  /**\n   * Splits a Unicode `string` into an array of its words.\n   *\n   * @private\n   * @param {string} The string to inspect.\n   * @returns {Array} Returns the words of `string`.\n   */\n  function unicodeWords(string) {\n    return string.match(reUnicodeWord) || [];\n  }\n\n  /*--------------------------------------------------------------------------*/\n\n  /**\n   * Create a new pristine `lodash` function using the `context` object.\n   *\n   * @static\n   * @memberOf _\n   * @since 1.1.0\n   * @category Util\n   * @param {Object} [context=root] The context object.\n   * @returns {Function} Returns a new `lodash` function.\n   * @example\n   *\n   * _.mixin({ 'foo': _.constant('foo') });\n   *\n   * var lodash = _.runInContext();\n   * lodash.mixin({ 'bar': lodash.constant('bar') });\n   *\n   * _.isFunction(_.foo);\n   * // => true\n   * _.isFunction(_.bar);\n   * // => false\n   *\n   * lodash.isFunction(lodash.foo);\n   * // => false\n   * lodash.isFunction(lodash.bar);\n   * // => true\n   *\n   * // Create a suped-up `defer` in Node.js.\n   * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;\n   */\n  var runInContext = (function runInContext(context) {\n    context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));\n\n    /** Built-in constructor references. */\n    var Array = context.Array,\n        Date = context.Date,\n        Error = context.Error,\n        Function = context.Function,\n        Math = context.Math,\n        Object = context.Object,\n        RegExp = context.RegExp,\n        String = context.String,\n        TypeError = context.TypeError;\n\n    /** Used for built-in method references. */\n    var arrayProto = Array.prototype,\n        funcProto = Function.prototype,\n        objectProto = Object.prototype;\n\n    /** Used to detect overreaching core-js shims. */\n    var coreJsData = context['__core-js_shared__'];\n\n    /** Used to resolve the decompiled source of functions. */\n    var funcToString = funcProto.toString;\n\n    /** Used to check objects for own properties. */\n    var hasOwnProperty = objectProto.hasOwnProperty;\n\n    /** Used to generate unique IDs. */\n    var idCounter = 0;\n\n    /** Used to detect methods masquerading as native. */\n    var maskSrcKey = (function() {\n      var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');\n      return uid ? ('Symbol(src)_1.' + uid) : '';\n    }());\n\n    /**\n     * Used to resolve the\n     * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n     * of values.\n     */\n    var nativeObjectToString = objectProto.toString;\n\n    /** Used to infer the `Object` constructor. */\n    var objectCtorString = funcToString.call(Object);\n\n    /** Used to restore the original `_` reference in `_.noConflict`. */\n    var oldDash = root._;\n\n    /** Used to detect if a method is native. */\n    var reIsNative = RegExp('^' +\n      funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\\\$&')\n      .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$'\n    );\n\n    /** Built-in value references. */\n    var Buffer = moduleExports ? context.Buffer : undefined,\n        Symbol = context.Symbol,\n        Uint8Array = context.Uint8Array,\n        allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,\n        getPrototype = overArg(Object.getPrototypeOf, Object),\n        objectCreate = Object.create,\n        propertyIsEnumerable = objectProto.propertyIsEnumerable,\n        splice = arrayProto.splice,\n        spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,\n        symIterator = Symbol ? Symbol.iterator : undefined,\n        symToStringTag = Symbol ? Symbol.toStringTag : undefined;\n\n    var defineProperty = (function() {\n      try {\n        var func = getNative(Object, 'defineProperty');\n        func({}, '', {});\n        return func;\n      } catch (e) {}\n    }());\n\n    /** Mocked built-ins. */\n    var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,\n        ctxNow = Date && Date.now !== root.Date.now && Date.now,\n        ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;\n\n    /* Built-in method references for those with the same name as other `lodash` methods. */\n    var nativeCeil = Math.ceil,\n        nativeFloor = Math.floor,\n        nativeGetSymbols = Object.getOwnPropertySymbols,\n        nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,\n        nativeIsFinite = context.isFinite,\n        nativeJoin = arrayProto.join,\n        nativeKeys = overArg(Object.keys, Object),\n        nativeMax = Math.max,\n        nativeMin = Math.min,\n        nativeNow = Date.now,\n        nativeParseInt = context.parseInt,\n        nativeRandom = Math.random,\n        nativeReverse = arrayProto.reverse;\n\n    /* Built-in method references that are verified to be native. */\n    var DataView = getNative(context, 'DataView'),\n        Map = getNative(context, 'Map'),\n        Promise = getNative(context, 'Promise'),\n        Set = getNative(context, 'Set'),\n        WeakMap = getNative(context, 'WeakMap'),\n        nativeCreate = getNative(Object, 'create');\n\n    /** Used to store function metadata. */\n    var metaMap = WeakMap && new WeakMap;\n\n    /** Used to lookup unminified function names. */\n    var realNames = {};\n\n    /** Used to detect maps, sets, and weakmaps. */\n    var dataViewCtorString = toSource(DataView),\n        mapCtorString = toSource(Map),\n        promiseCtorString = toSource(Promise),\n        setCtorString = toSource(Set),\n        weakMapCtorString = toSource(WeakMap);\n\n    /** Used to convert symbols to primitives and strings. */\n    var symbolProto = Symbol ? Symbol.prototype : undefined,\n        symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,\n        symbolToString = symbolProto ? symbolProto.toString : undefined;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` object which wraps `value` to enable implicit method\n     * chain sequences. Methods that operate on and return arrays, collections,\n     * and functions can be chained together. Methods that retrieve a single value\n     * or may return a primitive value will automatically end the chain sequence\n     * and return the unwrapped value. Otherwise, the value must be unwrapped\n     * with `_#value`.\n     *\n     * Explicit chain sequences, which must be unwrapped with `_#value`, may be\n     * enabled using `_.chain`.\n     *\n     * The execution of chained methods is lazy, that is, it's deferred until\n     * `_#value` is implicitly or explicitly called.\n     *\n     * Lazy evaluation allows several methods to support shortcut fusion.\n     * Shortcut fusion is an optimization to merge iteratee calls; this avoids\n     * the creation of intermediate arrays and can greatly reduce the number of\n     * iteratee executions. Sections of a chain sequence qualify for shortcut\n     * fusion if the section is applied to an array and iteratees accept only\n     * one argument. The heuristic for whether a section qualifies for shortcut\n     * fusion is subject to change.\n     *\n     * Chaining is supported in custom builds as long as the `_#value` method is\n     * directly or indirectly included in the build.\n     *\n     * In addition to lodash methods, wrappers have `Array` and `String` methods.\n     *\n     * The wrapper `Array` methods are:\n     * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`\n     *\n     * The wrapper `String` methods are:\n     * `replace` and `split`\n     *\n     * The wrapper methods that support shortcut fusion are:\n     * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,\n     * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,\n     * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`\n     *\n     * The chainable wrapper methods are:\n     * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,\n     * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,\n     * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,\n     * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,\n     * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,\n     * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,\n     * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,\n     * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,\n     * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,\n     * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,\n     * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,\n     * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,\n     * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,\n     * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,\n     * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,\n     * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,\n     * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,\n     * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,\n     * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,\n     * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,\n     * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,\n     * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,\n     * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,\n     * `zipObject`, `zipObjectDeep`, and `zipWith`\n     *\n     * The wrapper methods that are **not** chainable by default are:\n     * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,\n     * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,\n     * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,\n     * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,\n     * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,\n     * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,\n     * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,\n     * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,\n     * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,\n     * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,\n     * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,\n     * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,\n     * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,\n     * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,\n     * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,\n     * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,\n     * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,\n     * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,\n     * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,\n     * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,\n     * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,\n     * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,\n     * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,\n     * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,\n     * `upperFirst`, `value`, and `words`\n     *\n     * @name _\n     * @constructor\n     * @category Seq\n     * @param {*} value The value to wrap in a `lodash` instance.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2, 3]);\n     *\n     * // Returns an unwrapped value.\n     * wrapped.reduce(_.add);\n     * // => 6\n     *\n     * // Returns a wrapped value.\n     * var squares = wrapped.map(square);\n     *\n     * _.isArray(squares);\n     * // => false\n     *\n     * _.isArray(squares.value());\n     * // => true\n     */\n    function lodash(value) {\n      if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {\n        if (value instanceof LodashWrapper) {\n          return value;\n        }\n        if (hasOwnProperty.call(value, '__wrapped__')) {\n          return wrapperClone(value);\n        }\n      }\n      return new LodashWrapper(value);\n    }\n\n    /**\n     * The base implementation of `_.create` without support for assigning\n     * properties to the created object.\n     *\n     * @private\n     * @param {Object} proto The object to inherit from.\n     * @returns {Object} Returns the new object.\n     */\n    var baseCreate = (function() {\n      function object() {}\n      return function(proto) {\n        if (!isObject(proto)) {\n          return {};\n        }\n        if (objectCreate) {\n          return objectCreate(proto);\n        }\n        object.prototype = proto;\n        var result = new object;\n        object.prototype = undefined;\n        return result;\n      };\n    }());\n\n    /**\n     * The function whose prototype chain sequence wrappers inherit from.\n     *\n     * @private\n     */\n    function baseLodash() {\n      // No operation performed.\n    }\n\n    /**\n     * The base constructor for creating `lodash` wrapper objects.\n     *\n     * @private\n     * @param {*} value The value to wrap.\n     * @param {boolean} [chainAll] Enable explicit method chain sequences.\n     */\n    function LodashWrapper(value, chainAll) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__chain__ = !!chainAll;\n      this.__index__ = 0;\n      this.__values__ = undefined;\n    }\n\n    /**\n     * By default, the template delimiters used by lodash are like those in\n     * embedded Ruby (ERB) as well as ES2015 template strings. Change the\n     * following template settings to use alternative delimiters.\n     *\n     * @static\n     * @memberOf _\n     * @type {Object}\n     */\n    lodash.templateSettings = {\n\n      /**\n       * Used to detect `data` property values to be HTML-escaped.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'escape': reEscape,\n\n      /**\n       * Used to detect code to be evaluated.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'evaluate': reEvaluate,\n\n      /**\n       * Used to detect `data` property values to inject.\n       *\n       * @memberOf _.templateSettings\n       * @type {RegExp}\n       */\n      'interpolate': reInterpolate,\n\n      /**\n       * Used to reference the data object in the template text.\n       *\n       * @memberOf _.templateSettings\n       * @type {string}\n       */\n      'variable': '',\n\n      /**\n       * Used to import variables into the compiled template.\n       *\n       * @memberOf _.templateSettings\n       * @type {Object}\n       */\n      'imports': {\n\n        /**\n         * A reference to the `lodash` function.\n         *\n         * @memberOf _.templateSettings.imports\n         * @type {Function}\n         */\n        '_': lodash\n      }\n    };\n\n    // Ensure wrappers are instances of `baseLodash`.\n    lodash.prototype = baseLodash.prototype;\n    lodash.prototype.constructor = lodash;\n\n    LodashWrapper.prototype = baseCreate(baseLodash.prototype);\n    LodashWrapper.prototype.constructor = LodashWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.\n     *\n     * @private\n     * @constructor\n     * @param {*} value The value to wrap.\n     */\n    function LazyWrapper(value) {\n      this.__wrapped__ = value;\n      this.__actions__ = [];\n      this.__dir__ = 1;\n      this.__filtered__ = false;\n      this.__iteratees__ = [];\n      this.__takeCount__ = MAX_ARRAY_LENGTH;\n      this.__views__ = [];\n    }\n\n    /**\n     * Creates a clone of the lazy wrapper object.\n     *\n     * @private\n     * @name clone\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the cloned `LazyWrapper` object.\n     */\n    function lazyClone() {\n      var result = new LazyWrapper(this.__wrapped__);\n      result.__actions__ = copyArray(this.__actions__);\n      result.__dir__ = this.__dir__;\n      result.__filtered__ = this.__filtered__;\n      result.__iteratees__ = copyArray(this.__iteratees__);\n      result.__takeCount__ = this.__takeCount__;\n      result.__views__ = copyArray(this.__views__);\n      return result;\n    }\n\n    /**\n     * Reverses the direction of lazy iteration.\n     *\n     * @private\n     * @name reverse\n     * @memberOf LazyWrapper\n     * @returns {Object} Returns the new reversed `LazyWrapper` object.\n     */\n    function lazyReverse() {\n      if (this.__filtered__) {\n        var result = new LazyWrapper(this);\n        result.__dir__ = -1;\n        result.__filtered__ = true;\n      } else {\n        result = this.clone();\n        result.__dir__ *= -1;\n      }\n      return result;\n    }\n\n    /**\n     * Extracts the unwrapped value from its lazy wrapper.\n     *\n     * @private\n     * @name value\n     * @memberOf LazyWrapper\n     * @returns {*} Returns the unwrapped value.\n     */\n    function lazyValue() {\n      var array = this.__wrapped__.value(),\n          dir = this.__dir__,\n          isArr = isArray(array),\n          isRight = dir < 0,\n          arrLength = isArr ? array.length : 0,\n          view = getView(0, arrLength, this.__views__),\n          start = view.start,\n          end = view.end,\n          length = end - start,\n          index = isRight ? end : (start - 1),\n          iteratees = this.__iteratees__,\n          iterLength = iteratees.length,\n          resIndex = 0,\n          takeCount = nativeMin(length, this.__takeCount__);\n\n      if (!isArr || (!isRight && arrLength == length && takeCount == length)) {\n        return baseWrapperValue(array, this.__actions__);\n      }\n      var result = [];\n\n      outer:\n      while (length-- && resIndex < takeCount) {\n        index += dir;\n\n        var iterIndex = -1,\n            value = array[index];\n\n        while (++iterIndex < iterLength) {\n          var data = iteratees[iterIndex],\n              iteratee = data.iteratee,\n              type = data.type,\n              computed = iteratee(value);\n\n          if (type == LAZY_MAP_FLAG) {\n            value = computed;\n          } else if (!computed) {\n            if (type == LAZY_FILTER_FLAG) {\n              continue outer;\n            } else {\n              break outer;\n            }\n          }\n        }\n        result[resIndex++] = value;\n      }\n      return result;\n    }\n\n    // Ensure `LazyWrapper` is an instance of `baseLodash`.\n    LazyWrapper.prototype = baseCreate(baseLodash.prototype);\n    LazyWrapper.prototype.constructor = LazyWrapper;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a hash object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Hash(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the hash.\n     *\n     * @private\n     * @name clear\n     * @memberOf Hash\n     */\n    function hashClear() {\n      this.__data__ = nativeCreate ? nativeCreate(null) : {};\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the hash.\n     *\n     * @private\n     * @name delete\n     * @memberOf Hash\n     * @param {Object} hash The hash to modify.\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function hashDelete(key) {\n      var result = this.has(key) && delete this.__data__[key];\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the hash value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Hash\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function hashGet(key) {\n      var data = this.__data__;\n      if (nativeCreate) {\n        var result = data[key];\n        return result === HASH_UNDEFINED ? undefined : result;\n      }\n      return hasOwnProperty.call(data, key) ? data[key] : undefined;\n    }\n\n    /**\n     * Checks if a hash value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Hash\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function hashHas(key) {\n      var data = this.__data__;\n      return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);\n    }\n\n    /**\n     * Sets the hash `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Hash\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the hash instance.\n     */\n    function hashSet(key, value) {\n      var data = this.__data__;\n      this.size += this.has(key) ? 0 : 1;\n      data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;\n      return this;\n    }\n\n    // Add methods to `Hash`.\n    Hash.prototype.clear = hashClear;\n    Hash.prototype['delete'] = hashDelete;\n    Hash.prototype.get = hashGet;\n    Hash.prototype.has = hashHas;\n    Hash.prototype.set = hashSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an list cache object.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function ListCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the list cache.\n     *\n     * @private\n     * @name clear\n     * @memberOf ListCache\n     */\n    function listCacheClear() {\n      this.__data__ = [];\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the list cache.\n     *\n     * @private\n     * @name delete\n     * @memberOf ListCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function listCacheDelete(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        return false;\n      }\n      var lastIndex = data.length - 1;\n      if (index == lastIndex) {\n        data.pop();\n      } else {\n        splice.call(data, index, 1);\n      }\n      --this.size;\n      return true;\n    }\n\n    /**\n     * Gets the list cache value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf ListCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function listCacheGet(key) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      return index < 0 ? undefined : data[index][1];\n    }\n\n    /**\n     * Checks if a list cache value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf ListCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function listCacheHas(key) {\n      return assocIndexOf(this.__data__, key) > -1;\n    }\n\n    /**\n     * Sets the list cache `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf ListCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the list cache instance.\n     */\n    function listCacheSet(key, value) {\n      var data = this.__data__,\n          index = assocIndexOf(data, key);\n\n      if (index < 0) {\n        ++this.size;\n        data.push([key, value]);\n      } else {\n        data[index][1] = value;\n      }\n      return this;\n    }\n\n    // Add methods to `ListCache`.\n    ListCache.prototype.clear = listCacheClear;\n    ListCache.prototype['delete'] = listCacheDelete;\n    ListCache.prototype.get = listCacheGet;\n    ListCache.prototype.has = listCacheHas;\n    ListCache.prototype.set = listCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a map cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function MapCache(entries) {\n      var index = -1,\n          length = entries == null ? 0 : entries.length;\n\n      this.clear();\n      while (++index < length) {\n        var entry = entries[index];\n        this.set(entry[0], entry[1]);\n      }\n    }\n\n    /**\n     * Removes all key-value entries from the map.\n     *\n     * @private\n     * @name clear\n     * @memberOf MapCache\n     */\n    function mapCacheClear() {\n      this.size = 0;\n      this.__data__ = {\n        'hash': new Hash,\n        'map': new (Map || ListCache),\n        'string': new Hash\n      };\n    }\n\n    /**\n     * Removes `key` and its value from the map.\n     *\n     * @private\n     * @name delete\n     * @memberOf MapCache\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function mapCacheDelete(key) {\n      var result = getMapData(this, key)['delete'](key);\n      this.size -= result ? 1 : 0;\n      return result;\n    }\n\n    /**\n     * Gets the map value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf MapCache\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function mapCacheGet(key) {\n      return getMapData(this, key).get(key);\n    }\n\n    /**\n     * Checks if a map value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf MapCache\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function mapCacheHas(key) {\n      return getMapData(this, key).has(key);\n    }\n\n    /**\n     * Sets the map `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf MapCache\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the map cache instance.\n     */\n    function mapCacheSet(key, value) {\n      var data = getMapData(this, key),\n          size = data.size;\n\n      data.set(key, value);\n      this.size += data.size == size ? 0 : 1;\n      return this;\n    }\n\n    // Add methods to `MapCache`.\n    MapCache.prototype.clear = mapCacheClear;\n    MapCache.prototype['delete'] = mapCacheDelete;\n    MapCache.prototype.get = mapCacheGet;\n    MapCache.prototype.has = mapCacheHas;\n    MapCache.prototype.set = mapCacheSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     *\n     * Creates an array cache object to store unique values.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [values] The values to cache.\n     */\n    function SetCache(values) {\n      var index = -1,\n          length = values == null ? 0 : values.length;\n\n      this.__data__ = new MapCache;\n      while (++index < length) {\n        this.add(values[index]);\n      }\n    }\n\n    /**\n     * Adds `value` to the array cache.\n     *\n     * @private\n     * @name add\n     * @memberOf SetCache\n     * @alias push\n     * @param {*} value The value to cache.\n     * @returns {Object} Returns the cache instance.\n     */\n    function setCacheAdd(value) {\n      this.__data__.set(value, HASH_UNDEFINED);\n      return this;\n    }\n\n    /**\n     * Checks if `value` is in the array cache.\n     *\n     * @private\n     * @name has\n     * @memberOf SetCache\n     * @param {*} value The value to search for.\n     * @returns {number} Returns `true` if `value` is found, else `false`.\n     */\n    function setCacheHas(value) {\n      return this.__data__.has(value);\n    }\n\n    // Add methods to `SetCache`.\n    SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;\n    SetCache.prototype.has = setCacheHas;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a stack cache object to store key-value pairs.\n     *\n     * @private\n     * @constructor\n     * @param {Array} [entries] The key-value pairs to cache.\n     */\n    function Stack(entries) {\n      var data = this.__data__ = new ListCache(entries);\n      this.size = data.size;\n    }\n\n    /**\n     * Removes all key-value entries from the stack.\n     *\n     * @private\n     * @name clear\n     * @memberOf Stack\n     */\n    function stackClear() {\n      this.__data__ = new ListCache;\n      this.size = 0;\n    }\n\n    /**\n     * Removes `key` and its value from the stack.\n     *\n     * @private\n     * @name delete\n     * @memberOf Stack\n     * @param {string} key The key of the value to remove.\n     * @returns {boolean} Returns `true` if the entry was removed, else `false`.\n     */\n    function stackDelete(key) {\n      var data = this.__data__,\n          result = data['delete'](key);\n\n      this.size = data.size;\n      return result;\n    }\n\n    /**\n     * Gets the stack value for `key`.\n     *\n     * @private\n     * @name get\n     * @memberOf Stack\n     * @param {string} key The key of the value to get.\n     * @returns {*} Returns the entry value.\n     */\n    function stackGet(key) {\n      return this.__data__.get(key);\n    }\n\n    /**\n     * Checks if a stack value for `key` exists.\n     *\n     * @private\n     * @name has\n     * @memberOf Stack\n     * @param {string} key The key of the entry to check.\n     * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.\n     */\n    function stackHas(key) {\n      return this.__data__.has(key);\n    }\n\n    /**\n     * Sets the stack `key` to `value`.\n     *\n     * @private\n     * @name set\n     * @memberOf Stack\n     * @param {string} key The key of the value to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns the stack cache instance.\n     */\n    function stackSet(key, value) {\n      var data = this.__data__;\n      if (data instanceof ListCache) {\n        var pairs = data.__data__;\n        if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {\n          pairs.push([key, value]);\n          this.size = ++data.size;\n          return this;\n        }\n        data = this.__data__ = new MapCache(pairs);\n      }\n      data.set(key, value);\n      this.size = data.size;\n      return this;\n    }\n\n    // Add methods to `Stack`.\n    Stack.prototype.clear = stackClear;\n    Stack.prototype['delete'] = stackDelete;\n    Stack.prototype.get = stackGet;\n    Stack.prototype.has = stackHas;\n    Stack.prototype.set = stackSet;\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of the enumerable property names of the array-like `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @param {boolean} inherited Specify returning inherited property names.\n     * @returns {Array} Returns the array of property names.\n     */\n    function arrayLikeKeys(value, inherited) {\n      var isArr = isArray(value),\n          isArg = !isArr && isArguments(value),\n          isBuff = !isArr && !isArg && isBuffer(value),\n          isType = !isArr && !isArg && !isBuff && isTypedArray(value),\n          skipIndexes = isArr || isArg || isBuff || isType,\n          result = skipIndexes ? baseTimes(value.length, String) : [],\n          length = result.length;\n\n      for (var key in value) {\n        if ((inherited || hasOwnProperty.call(value, key)) &&\n            !(skipIndexes && (\n               // Safari 9 has enumerable `arguments.length` in strict mode.\n               key == 'length' ||\n               // Node.js 0.10 has enumerable non-index properties on buffers.\n               (isBuff && (key == 'offset' || key == 'parent')) ||\n               // PhantomJS 2 has enumerable non-index properties on typed arrays.\n               (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||\n               // Skip index properties.\n               isIndex(key, length)\n            ))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `_.sample` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @returns {*} Returns the random element.\n     */\n    function arraySample(array) {\n      var length = array.length;\n      return length ? array[baseRandom(0, length - 1)] : undefined;\n    }\n\n    /**\n     * A specialized version of `_.sampleSize` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function arraySampleSize(array, n) {\n      return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * A specialized version of `_.shuffle` for arrays.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function arrayShuffle(array) {\n      return shuffleSelf(copyArray(array));\n    }\n\n    /**\n     * This function is like `assignValue` except that it doesn't assign\n     * `undefined` values.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignMergeValue(object, key, value) {\n      if ((value !== undefined && !eq(object[key], value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Assigns `value` to `key` of `object` if the existing value is not equivalent\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function assignValue(object, key, value) {\n      var objValue = object[key];\n      if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||\n          (value === undefined && !(key in object))) {\n        baseAssignValue(object, key, value);\n      }\n    }\n\n    /**\n     * Gets the index at which the `key` is found in `array` of key-value pairs.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {*} key The key to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     */\n    function assocIndexOf(array, key) {\n      var length = array.length;\n      while (length--) {\n        if (eq(array[length][0], key)) {\n          return length;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * Aggregates elements of `collection` on `accumulator` with keys transformed\n     * by `iteratee` and values set by `setter`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform keys.\n     * @param {Object} accumulator The initial aggregated object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseAggregator(collection, setter, iteratee, accumulator) {\n      baseEach(collection, function(value, key, collection) {\n        setter(accumulator, value, iteratee(value), collection);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.assign` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssign(object, source) {\n      return object && copyObject(source, keys(source), object);\n    }\n\n    /**\n     * The base implementation of `_.assignIn` without support for multiple sources\n     * or `customizer` functions.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @returns {Object} Returns `object`.\n     */\n    function baseAssignIn(object, source) {\n      return object && copyObject(source, keysIn(source), object);\n    }\n\n    /**\n     * The base implementation of `assignValue` and `assignMergeValue` without\n     * value checks.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {string} key The key of the property to assign.\n     * @param {*} value The value to assign.\n     */\n    function baseAssignValue(object, key, value) {\n      if (key == '__proto__' && defineProperty) {\n        defineProperty(object, key, {\n          'configurable': true,\n          'enumerable': true,\n          'value': value,\n          'writable': true\n        });\n      } else {\n        object[key] = value;\n      }\n    }\n\n    /**\n     * The base implementation of `_.at` without support for individual paths.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Array} Returns the picked elements.\n     */\n    function baseAt(object, paths) {\n      var index = -1,\n          length = paths.length,\n          result = Array(length),\n          skip = object == null;\n\n      while (++index < length) {\n        result[index] = skip ? undefined : get(object, paths[index]);\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.clamp` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     */\n    function baseClamp(number, lower, upper) {\n      if (number === number) {\n        if (upper !== undefined) {\n          number = number <= upper ? number : upper;\n        }\n        if (lower !== undefined) {\n          number = number >= lower ? number : lower;\n        }\n      }\n      return number;\n    }\n\n    /**\n     * The base implementation of `_.clone` and `_.cloneDeep` which tracks\n     * traversed objects.\n     *\n     * @private\n     * @param {*} value The value to clone.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Deep clone\n     *  2 - Flatten inherited properties\n     *  4 - Clone symbols\n     * @param {Function} [customizer] The function to customize cloning.\n     * @param {string} [key] The key of `value`.\n     * @param {Object} [object] The parent object of `value`.\n     * @param {Object} [stack] Tracks traversed objects and their clone counterparts.\n     * @returns {*} Returns the cloned value.\n     */\n    function baseClone(value, bitmask, customizer, key, object, stack) {\n      var result,\n          isDeep = bitmask & CLONE_DEEP_FLAG,\n          isFlat = bitmask & CLONE_FLAT_FLAG,\n          isFull = bitmask & CLONE_SYMBOLS_FLAG;\n\n      if (customizer) {\n        result = object ? customizer(value, key, object, stack) : customizer(value);\n      }\n      if (result !== undefined) {\n        return result;\n      }\n      if (!isObject(value)) {\n        return value;\n      }\n      var isArr = isArray(value);\n      if (isArr) {\n        result = initCloneArray(value);\n        if (!isDeep) {\n          return copyArray(value, result);\n        }\n      } else {\n        var tag = getTag(value),\n            isFunc = tag == funcTag || tag == genTag;\n\n        if (isBuffer(value)) {\n          return cloneBuffer(value, isDeep);\n        }\n        if (tag == objectTag || tag == argsTag || (isFunc && !object)) {\n          result = (isFlat || isFunc) ? {} : initCloneObject(value);\n          if (!isDeep) {\n            return isFlat\n              ? copySymbolsIn(value, baseAssignIn(result, value))\n              : copySymbols(value, baseAssign(result, value));\n          }\n        } else {\n          if (!cloneableTags[tag]) {\n            return object ? value : {};\n          }\n          result = initCloneByTag(value, tag, baseClone, isDeep);\n        }\n      }\n      // Check for circular references and return its corresponding clone.\n      stack || (stack = new Stack);\n      var stacked = stack.get(value);\n      if (stacked) {\n        return stacked;\n      }\n      stack.set(value, result);\n\n      var keysFunc = isFull\n        ? (isFlat ? getAllKeysIn : getAllKeys)\n        : (isFlat ? keysIn : keys);\n\n      var props = isArr ? undefined : keysFunc(value);\n      arrayEach(props || value, function(subValue, key) {\n        if (props) {\n          key = subValue;\n          subValue = value[key];\n        }\n        // Recursively populate clone (susceptible to call stack limits).\n        assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.conforms` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseConforms(source) {\n      var props = keys(source);\n      return function(object) {\n        return baseConformsTo(object, source, props);\n      };\n    }\n\n    /**\n     * The base implementation of `_.conformsTo` which accepts `props` to check.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     */\n    function baseConformsTo(object, source, props) {\n      var length = props.length;\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (length--) {\n        var key = props[length],\n            predicate = source[key],\n            value = object[key];\n\n        if ((value === undefined && !(key in object)) || !predicate(value)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.delay` and `_.defer` which accepts `args`\n     * to provide to `func`.\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {Array} args The arguments to provide to `func`.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    function baseDelay(func, wait, args) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return setTimeout(function() { func.apply(undefined, args); }, wait);\n    }\n\n    /**\n     * The base implementation of methods like `_.difference` without support\n     * for excluding multiple arrays or iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Array} values The values to exclude.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     */\n    function baseDifference(array, values, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          isCommon = true,\n          length = array.length,\n          result = [],\n          valuesLength = values.length;\n\n      if (!length) {\n        return result;\n      }\n      if (iteratee) {\n        values = arrayMap(values, baseUnary(iteratee));\n      }\n      if (comparator) {\n        includes = arrayIncludesWith;\n        isCommon = false;\n      }\n      else if (values.length >= LARGE_ARRAY_SIZE) {\n        includes = cacheHas;\n        isCommon = false;\n        values = new SetCache(values);\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee == null ? value : iteratee(value);\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var valuesIndex = valuesLength;\n          while (valuesIndex--) {\n            if (values[valuesIndex] === computed) {\n              continue outer;\n            }\n          }\n          result.push(value);\n        }\n        else if (!includes(values, computed, comparator)) {\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.forEach` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEach = createBaseEach(baseForOwn);\n\n    /**\n     * The base implementation of `_.forEachRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     */\n    var baseEachRight = createBaseEach(baseForOwnRight, true);\n\n    /**\n     * The base implementation of `_.every` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`\n     */\n    function baseEvery(collection, predicate) {\n      var result = true;\n      baseEach(collection, function(value, index, collection) {\n        result = !!predicate(value, index, collection);\n        return result;\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of methods like `_.max` and `_.min` which accepts a\n     * `comparator` to determine the extremum value.\n     *\n     * @private\n     * @param {Array} array The array to iterate over.\n     * @param {Function} iteratee The iteratee invoked per iteration.\n     * @param {Function} comparator The comparator used to compare values.\n     * @returns {*} Returns the extremum value.\n     */\n    function baseExtremum(array, iteratee, comparator) {\n      var index = -1,\n          length = array.length;\n\n      while (++index < length) {\n        var value = array[index],\n            current = iteratee(value);\n\n        if (current != null && (computed === undefined\n              ? (current === current && !isSymbol(current))\n              : comparator(current, computed)\n            )) {\n          var computed = current,\n              result = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.fill` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     */\n    function baseFill(array, value, start, end) {\n      var length = array.length;\n\n      start = toInteger(start);\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = (end === undefined || end > length) ? length : toInteger(end);\n      if (end < 0) {\n        end += length;\n      }\n      end = start > end ? 0 : toLength(end);\n      while (start < end) {\n        array[start++] = value;\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.filter` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     */\n    function baseFilter(collection, predicate) {\n      var result = [];\n      baseEach(collection, function(value, index, collection) {\n        if (predicate(value, index, collection)) {\n          result.push(value);\n        }\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.flatten` with support for restricting flattening.\n     *\n     * @private\n     * @param {Array} array The array to flatten.\n     * @param {number} depth The maximum recursion depth.\n     * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.\n     * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.\n     * @param {Array} [result=[]] The initial result value.\n     * @returns {Array} Returns the new flattened array.\n     */\n    function baseFlatten(array, depth, predicate, isStrict, result) {\n      var index = -1,\n          length = array.length;\n\n      predicate || (predicate = isFlattenable);\n      result || (result = []);\n\n      while (++index < length) {\n        var value = array[index];\n        if (depth > 0 && predicate(value)) {\n          if (depth > 1) {\n            // Recursively flatten arrays (susceptible to call stack limits).\n            baseFlatten(value, depth - 1, predicate, isStrict, result);\n          } else {\n            arrayPush(result, value);\n          }\n        } else if (!isStrict) {\n          result[result.length] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `baseForOwn` which iterates over `object`\n     * properties returned by `keysFunc` and invokes `iteratee` for each property.\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseFor = createBaseFor();\n\n    /**\n     * This function is like `baseFor` except that it iterates over properties\n     * in the opposite order.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @returns {Object} Returns `object`.\n     */\n    var baseForRight = createBaseFor(true);\n\n    /**\n     * The base implementation of `_.forOwn` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwn(object, iteratee) {\n      return object && baseFor(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.forOwnRight` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     */\n    function baseForOwnRight(object, iteratee) {\n      return object && baseForRight(object, iteratee, keys);\n    }\n\n    /**\n     * The base implementation of `_.functions` which creates an array of\n     * `object` function property names filtered from `props`.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Array} props The property names to filter.\n     * @returns {Array} Returns the function names.\n     */\n    function baseFunctions(object, props) {\n      return arrayFilter(props, function(key) {\n        return isFunction(object[key]);\n      });\n    }\n\n    /**\n     * The base implementation of `_.get` without support for default values.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseGet(object, path) {\n      path = castPath(path, object);\n\n      var index = 0,\n          length = path.length;\n\n      while (object != null && index < length) {\n        object = object[toKey(path[index++])];\n      }\n      return (index && index == length) ? object : undefined;\n    }\n\n    /**\n     * The base implementation of `getAllKeys` and `getAllKeysIn` which uses\n     * `keysFunc` and `symbolsFunc` to get the enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Function} keysFunc The function to get the keys of `object`.\n     * @param {Function} symbolsFunc The function to get the symbols of `object`.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function baseGetAllKeys(object, keysFunc, symbolsFunc) {\n      var result = keysFunc(object);\n      return isArray(object) ? result : arrayPush(result, symbolsFunc(object));\n    }\n\n    /**\n     * The base implementation of `getTag` without fallbacks for buggy environments.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    function baseGetTag(value) {\n      if (value == null) {\n        return value === undefined ? undefinedTag : nullTag;\n      }\n      return (symToStringTag && symToStringTag in Object(value))\n        ? getRawTag(value)\n        : objectToString(value);\n    }\n\n    /**\n     * The base implementation of `_.gt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     */\n    function baseGt(value, other) {\n      return value > other;\n    }\n\n    /**\n     * The base implementation of `_.has` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHas(object, key) {\n      return object != null && hasOwnProperty.call(object, key);\n    }\n\n    /**\n     * The base implementation of `_.hasIn` without support for deep paths.\n     *\n     * @private\n     * @param {Object} [object] The object to query.\n     * @param {Array|string} key The key to check.\n     * @returns {boolean} Returns `true` if `key` exists, else `false`.\n     */\n    function baseHasIn(object, key) {\n      return object != null && key in Object(object);\n    }\n\n    /**\n     * The base implementation of `_.inRange` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {number} number The number to check.\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     */\n    function baseInRange(number, start, end) {\n      return number >= nativeMin(start, end) && number < nativeMax(start, end);\n    }\n\n    /**\n     * The base implementation of methods like `_.intersection`, without support\n     * for iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of shared values.\n     */\n    function baseIntersection(arrays, iteratee, comparator) {\n      var includes = comparator ? arrayIncludesWith : arrayIncludes,\n          length = arrays[0].length,\n          othLength = arrays.length,\n          othIndex = othLength,\n          caches = Array(othLength),\n          maxLength = Infinity,\n          result = [];\n\n      while (othIndex--) {\n        var array = arrays[othIndex];\n        if (othIndex && iteratee) {\n          array = arrayMap(array, baseUnary(iteratee));\n        }\n        maxLength = nativeMin(array.length, maxLength);\n        caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))\n          ? new SetCache(othIndex && array)\n          : undefined;\n      }\n      array = arrays[0];\n\n      var index = -1,\n          seen = caches[0];\n\n      outer:\n      while (++index < length && result.length < maxLength) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (!(seen\n              ? cacheHas(seen, computed)\n              : includes(result, computed, comparator)\n            )) {\n          othIndex = othLength;\n          while (--othIndex) {\n            var cache = caches[othIndex];\n            if (!(cache\n                  ? cacheHas(cache, computed)\n                  : includes(arrays[othIndex], computed, comparator))\n                ) {\n              continue outer;\n            }\n          }\n          if (seen) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.invert` and `_.invertBy` which inverts\n     * `object` with values transformed by `iteratee` and set by `setter`.\n     *\n     * @private\n     * @param {Object} object The object to iterate over.\n     * @param {Function} setter The function to set `accumulator` values.\n     * @param {Function} iteratee The iteratee to transform values.\n     * @param {Object} accumulator The initial inverted object.\n     * @returns {Function} Returns `accumulator`.\n     */\n    function baseInverter(object, setter, iteratee, accumulator) {\n      baseForOwn(object, function(value, key, object) {\n        setter(accumulator, iteratee(value), key, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * The base implementation of `_.invoke` without support for individual\n     * method arguments.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {Array} args The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     */\n    function baseInvoke(object, path, args) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      var func = object == null ? object : object[toKey(last(path))];\n      return func == null ? undefined : apply(func, object, args);\n    }\n\n    /**\n     * The base implementation of `_.isArguments`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     */\n    function baseIsArguments(value) {\n      return isObjectLike(value) && baseGetTag(value) == argsTag;\n    }\n\n    /**\n     * The base implementation of `_.isArrayBuffer` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     */\n    function baseIsArrayBuffer(value) {\n      return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;\n    }\n\n    /**\n     * The base implementation of `_.isDate` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     */\n    function baseIsDate(value) {\n      return isObjectLike(value) && baseGetTag(value) == dateTag;\n    }\n\n    /**\n     * The base implementation of `_.isEqual` which supports partial comparisons\n     * and tracks traversed objects.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {boolean} bitmask The bitmask flags.\n     *  1 - Unordered comparison\n     *  2 - Partial comparison\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @param {Object} [stack] Tracks traversed `value` and `other` objects.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     */\n    function baseIsEqual(value, other, bitmask, customizer, stack) {\n      if (value === other) {\n        return true;\n      }\n      if (value == null || other == null || (!isObjectLike(value) && !isObjectLike(other))) {\n        return value !== value && other !== other;\n      }\n      return baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);\n    }\n\n    /**\n     * A specialized version of `baseIsEqual` for arrays and objects which performs\n     * deep comparisons and tracks traversed objects enabling objects with circular\n     * references to be compared.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} [stack] Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {\n      var objIsArr = isArray(object),\n          othIsArr = isArray(other),\n          objTag = objIsArr ? arrayTag : getTag(object),\n          othTag = othIsArr ? arrayTag : getTag(other);\n\n      objTag = objTag == argsTag ? objectTag : objTag;\n      othTag = othTag == argsTag ? objectTag : othTag;\n\n      var objIsObj = objTag == objectTag,\n          othIsObj = othTag == objectTag,\n          isSameTag = objTag == othTag;\n\n      if (isSameTag && isBuffer(object)) {\n        if (!isBuffer(other)) {\n          return false;\n        }\n        objIsArr = true;\n        objIsObj = false;\n      }\n      if (isSameTag && !objIsObj) {\n        stack || (stack = new Stack);\n        return (objIsArr || isTypedArray(object))\n          ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)\n          : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);\n      }\n      if (!(bitmask & COMPARE_PARTIAL_FLAG)) {\n        var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),\n            othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');\n\n        if (objIsWrapped || othIsWrapped) {\n          var objUnwrapped = objIsWrapped ? object.value() : object,\n              othUnwrapped = othIsWrapped ? other.value() : other;\n\n          stack || (stack = new Stack);\n          return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);\n        }\n      }\n      if (!isSameTag) {\n        return false;\n      }\n      stack || (stack = new Stack);\n      return equalObjects(object, other, bitmask, customizer, equalFunc, stack);\n    }\n\n    /**\n     * The base implementation of `_.isMap` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     */\n    function baseIsMap(value) {\n      return isObjectLike(value) && getTag(value) == mapTag;\n    }\n\n    /**\n     * The base implementation of `_.isMatch` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Array} matchData The property names, values, and compare flags to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     */\n    function baseIsMatch(object, source, matchData, customizer) {\n      var index = matchData.length,\n          length = index,\n          noCustomizer = !customizer;\n\n      if (object == null) {\n        return !length;\n      }\n      object = Object(object);\n      while (index--) {\n        var data = matchData[index];\n        if ((noCustomizer && data[2])\n              ? data[1] !== object[data[0]]\n              : !(data[0] in object)\n            ) {\n          return false;\n        }\n      }\n      while (++index < length) {\n        data = matchData[index];\n        var key = data[0],\n            objValue = object[key],\n            srcValue = data[1];\n\n        if (noCustomizer && data[2]) {\n          if (objValue === undefined && !(key in object)) {\n            return false;\n          }\n        } else {\n          var stack = new Stack;\n          if (customizer) {\n            var result = customizer(objValue, srcValue, key, object, source, stack);\n          }\n          if (!(result === undefined\n                ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)\n                : result\n              )) {\n            return false;\n          }\n        }\n      }\n      return true;\n    }\n\n    /**\n     * The base implementation of `_.isNative` without bad shim checks.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     */\n    function baseIsNative(value) {\n      if (!isObject(value) || isMasked(value)) {\n        return false;\n      }\n      var pattern = isFunction(value) ? reIsNative : reIsHostCtor;\n      return pattern.test(toSource(value));\n    }\n\n    /**\n     * The base implementation of `_.isRegExp` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     */\n    function baseIsRegExp(value) {\n      return isObjectLike(value) && baseGetTag(value) == regexpTag;\n    }\n\n    /**\n     * The base implementation of `_.isSet` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     */\n    function baseIsSet(value) {\n      return isObjectLike(value) && getTag(value) == setTag;\n    }\n\n    /**\n     * The base implementation of `_.isTypedArray` without Node.js optimizations.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     */\n    function baseIsTypedArray(value) {\n      return isObjectLike(value) &&\n        isLength(value.length) && !!typedArrayTags[baseGetTag(value)];\n    }\n\n    /**\n     * The base implementation of `_.iteratee`.\n     *\n     * @private\n     * @param {*} [value=_.identity] The value to convert to an iteratee.\n     * @returns {Function} Returns the iteratee.\n     */\n    function baseIteratee(value) {\n      // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.\n      // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.\n      if (typeof value == 'function') {\n        return value;\n      }\n      if (value == null) {\n        return identity;\n      }\n      if (typeof value == 'object') {\n        return isArray(value)\n          ? baseMatchesProperty(value[0], value[1])\n          : baseMatches(value);\n      }\n      return property(value);\n    }\n\n    /**\n     * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeys(object) {\n      if (!isPrototype(object)) {\n        return nativeKeys(object);\n      }\n      var result = [];\n      for (var key in Object(object)) {\n        if (hasOwnProperty.call(object, key) && key != 'constructor') {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function baseKeysIn(object) {\n      if (!isObject(object)) {\n        return nativeKeysIn(object);\n      }\n      var isProto = isPrototype(object),\n          result = [];\n\n      for (var key in object) {\n        if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.lt` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     */\n    function baseLt(value, other) {\n      return value < other;\n    }\n\n    /**\n     * The base implementation of `_.map` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} iteratee The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     */\n    function baseMap(collection, iteratee) {\n      var index = -1,\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value, key, collection) {\n        result[++index] = iteratee(value, key, collection);\n      });\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.matches` which doesn't clone `source`.\n     *\n     * @private\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatches(source) {\n      var matchData = getMatchData(source);\n      if (matchData.length == 1 && matchData[0][2]) {\n        return matchesStrictComparable(matchData[0][0], matchData[0][1]);\n      }\n      return function(object) {\n        return object === source || baseIsMatch(object, source, matchData);\n      };\n    }\n\n    /**\n     * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.\n     *\n     * @private\n     * @param {string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function baseMatchesProperty(path, srcValue) {\n      if (isKey(path) && isStrictComparable(srcValue)) {\n        return matchesStrictComparable(toKey(path), srcValue);\n      }\n      return function(object) {\n        var objValue = get(object, path);\n        return (objValue === undefined && objValue === srcValue)\n          ? hasIn(object, path)\n          : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);\n      };\n    }\n\n    /**\n     * The base implementation of `_.merge` without support for multiple sources.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} [customizer] The function to customize merged values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMerge(object, source, srcIndex, customizer, stack) {\n      if (object === source) {\n        return;\n      }\n      baseFor(source, function(srcValue, key) {\n        if (isObject(srcValue)) {\n          stack || (stack = new Stack);\n          baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);\n        }\n        else {\n          var newValue = customizer\n            ? customizer(object[key], srcValue, (key + ''), object, source, stack)\n            : undefined;\n\n          if (newValue === undefined) {\n            newValue = srcValue;\n          }\n          assignMergeValue(object, key, newValue);\n        }\n      }, keysIn);\n    }\n\n    /**\n     * A specialized version of `baseMerge` for arrays and objects which performs\n     * deep merges and tracks traversed objects enabling objects with circular\n     * references to be merged.\n     *\n     * @private\n     * @param {Object} object The destination object.\n     * @param {Object} source The source object.\n     * @param {string} key The key of the value to merge.\n     * @param {number} srcIndex The index of `source`.\n     * @param {Function} mergeFunc The function to merge values.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     */\n    function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {\n      var objValue = object[key],\n          srcValue = source[key],\n          stacked = stack.get(srcValue);\n\n      if (stacked) {\n        assignMergeValue(object, key, stacked);\n        return;\n      }\n      var newValue = customizer\n        ? customizer(objValue, srcValue, (key + ''), object, source, stack)\n        : undefined;\n\n      var isCommon = newValue === undefined;\n\n      if (isCommon) {\n        var isArr = isArray(srcValue),\n            isBuff = !isArr && isBuffer(srcValue),\n            isTyped = !isArr && !isBuff && isTypedArray(srcValue);\n\n        newValue = srcValue;\n        if (isArr || isBuff || isTyped) {\n          if (isArray(objValue)) {\n            newValue = objValue;\n          }\n          else if (isArrayLikeObject(objValue)) {\n            newValue = copyArray(objValue);\n          }\n          else if (isBuff) {\n            isCommon = false;\n            newValue = cloneBuffer(srcValue, true);\n          }\n          else if (isTyped) {\n            isCommon = false;\n            newValue = cloneTypedArray(srcValue, true);\n          }\n          else {\n            newValue = [];\n          }\n        }\n        else if (isPlainObject(srcValue) || isArguments(srcValue)) {\n          newValue = objValue;\n          if (isArguments(objValue)) {\n            newValue = toPlainObject(objValue);\n          }\n          else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {\n            newValue = initCloneObject(srcValue);\n          }\n        }\n        else {\n          isCommon = false;\n        }\n      }\n      if (isCommon) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, newValue);\n        mergeFunc(newValue, srcValue, srcIndex, customizer, stack);\n        stack['delete'](srcValue);\n      }\n      assignMergeValue(object, key, newValue);\n    }\n\n    /**\n     * The base implementation of `_.nth` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {number} n The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     */\n    function baseNth(array, n) {\n      var length = array.length;\n      if (!length) {\n        return;\n      }\n      n += n < 0 ? length : 0;\n      return isIndex(n, length) ? array[n] : undefined;\n    }\n\n    /**\n     * The base implementation of `_.orderBy` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.\n     * @param {string[]} orders The sort orders of `iteratees`.\n     * @returns {Array} Returns the new sorted array.\n     */\n    function baseOrderBy(collection, iteratees, orders) {\n      var index = -1;\n      iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));\n\n      var result = baseMap(collection, function(value, key, collection) {\n        var criteria = arrayMap(iteratees, function(iteratee) {\n          return iteratee(value);\n        });\n        return { 'criteria': criteria, 'index': ++index, 'value': value };\n      });\n\n      return baseSortBy(result, function(object, other) {\n        return compareMultiple(object, other, orders);\n      });\n    }\n\n    /**\n     * The base implementation of `_.pick` without support for individual\n     * property identifiers.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @returns {Object} Returns the new object.\n     */\n    function basePick(object, paths) {\n      return basePickBy(object, paths, function(value, path) {\n        return hasIn(object, path);\n      });\n    }\n\n    /**\n     * The base implementation of  `_.pickBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Object} object The source object.\n     * @param {string[]} paths The property paths to pick.\n     * @param {Function} predicate The function invoked per property.\n     * @returns {Object} Returns the new object.\n     */\n    function basePickBy(object, paths, predicate) {\n      var index = -1,\n          length = paths.length,\n          result = {};\n\n      while (++index < length) {\n        var path = paths[index],\n            value = baseGet(object, path);\n\n        if (predicate(value, path)) {\n          baseSet(result, castPath(path, object), value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseProperty` which supports deep paths.\n     *\n     * @private\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     */\n    function basePropertyDeep(path) {\n      return function(object) {\n        return baseGet(object, path);\n      };\n    }\n\n    /**\n     * The base implementation of `_.pullAllBy` without support for iteratee\n     * shorthands.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAll(array, values, iteratee, comparator) {\n      var indexOf = comparator ? baseIndexOfWith : baseIndexOf,\n          index = -1,\n          length = values.length,\n          seen = array;\n\n      if (array === values) {\n        values = copyArray(values);\n      }\n      if (iteratee) {\n        seen = arrayMap(array, baseUnary(iteratee));\n      }\n      while (++index < length) {\n        var fromIndex = 0,\n            value = values[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {\n          if (seen !== array) {\n            splice.call(seen, fromIndex, 1);\n          }\n          splice.call(array, fromIndex, 1);\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.pullAt` without support for individual\n     * indexes or capturing the removed elements.\n     *\n     * @private\n     * @param {Array} array The array to modify.\n     * @param {number[]} indexes The indexes of elements to remove.\n     * @returns {Array} Returns `array`.\n     */\n    function basePullAt(array, indexes) {\n      var length = array ? indexes.length : 0,\n          lastIndex = length - 1;\n\n      while (length--) {\n        var index = indexes[length];\n        if (length == lastIndex || index !== previous) {\n          var previous = index;\n          if (isIndex(index)) {\n            splice.call(array, index, 1);\n          } else {\n            baseUnset(array, index);\n          }\n        }\n      }\n      return array;\n    }\n\n    /**\n     * The base implementation of `_.random` without support for returning\n     * floating-point numbers.\n     *\n     * @private\n     * @param {number} lower The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the random number.\n     */\n    function baseRandom(lower, upper) {\n      return lower + nativeFloor(nativeRandom() * (upper - lower + 1));\n    }\n\n    /**\n     * The base implementation of `_.range` and `_.rangeRight` which doesn't\n     * coerce arguments.\n     *\n     * @private\n     * @param {number} start The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} step The value to increment or decrement by.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the range of numbers.\n     */\n    function baseRange(start, end, step, fromRight) {\n      var index = -1,\n          length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),\n          result = Array(length);\n\n      while (length--) {\n        result[fromRight ? length : ++index] = start;\n        start += step;\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.repeat` which doesn't coerce arguments.\n     *\n     * @private\n     * @param {string} string The string to repeat.\n     * @param {number} n The number of times to repeat the string.\n     * @returns {string} Returns the repeated string.\n     */\n    function baseRepeat(string, n) {\n      var result = '';\n      if (!string || n < 1 || n > MAX_SAFE_INTEGER) {\n        return result;\n      }\n      // Leverage the exponentiation by squaring algorithm for a faster repeat.\n      // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.\n      do {\n        if (n % 2) {\n          result += string;\n        }\n        n = nativeFloor(n / 2);\n        if (n) {\n          string += string;\n        }\n      } while (n);\n\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.rest` which doesn't validate or coerce arguments.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     */\n    function baseRest(func, start) {\n      return setToString(overRest(func, start, identity), func + '');\n    }\n\n    /**\n     * The base implementation of `_.sample`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     */\n    function baseSample(collection) {\n      return arraySample(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.sampleSize` without param guards.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} n The number of elements to sample.\n     * @returns {Array} Returns the random elements.\n     */\n    function baseSampleSize(collection, n) {\n      var array = values(collection);\n      return shuffleSelf(array, baseClamp(n, 0, array.length));\n    }\n\n    /**\n     * The base implementation of `_.set`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseSet(object, path, value, customizer) {\n      if (!isObject(object)) {\n        return object;\n      }\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          lastIndex = length - 1,\n          nested = object;\n\n      while (nested != null && ++index < length) {\n        var key = toKey(path[index]),\n            newValue = value;\n\n        if (index != lastIndex) {\n          var objValue = nested[key];\n          newValue = customizer ? customizer(objValue, key, nested) : undefined;\n          if (newValue === undefined) {\n            newValue = isObject(objValue)\n              ? objValue\n              : (isIndex(path[index + 1]) ? [] : {});\n          }\n        }\n        assignValue(nested, key, newValue);\n        nested = nested[key];\n      }\n      return object;\n    }\n\n    /**\n     * The base implementation of `setData` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetData = !metaMap ? identity : function(func, data) {\n      metaMap.set(func, data);\n      return func;\n    };\n\n    /**\n     * The base implementation of `setToString` without support for hot loop shorting.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var baseSetToString = !defineProperty ? identity : function(func, string) {\n      return defineProperty(func, 'toString', {\n        'configurable': true,\n        'enumerable': false,\n        'value': constant(string),\n        'writable': true\n      });\n    };\n\n    /**\n     * The base implementation of `_.shuffle`.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     */\n    function baseShuffle(collection) {\n      return shuffleSelf(values(collection));\n    }\n\n    /**\n     * The base implementation of `_.slice` without an iteratee call guard.\n     *\n     * @private\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseSlice(array, start, end) {\n      var index = -1,\n          length = array.length;\n\n      if (start < 0) {\n        start = -start > length ? 0 : (length + start);\n      }\n      end = end > length ? length : end;\n      if (end < 0) {\n        end += length;\n      }\n      length = start > end ? 0 : ((end - start) >>> 0);\n      start >>>= 0;\n\n      var result = Array(length);\n      while (++index < length) {\n        result[index] = array[index + start];\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.some` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} predicate The function invoked per iteration.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     */\n    function baseSome(collection, predicate) {\n      var result;\n\n      baseEach(collection, function(value, index, collection) {\n        result = predicate(value, index, collection);\n        return !result;\n      });\n      return !!result;\n    }\n\n    /**\n     * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which\n     * performs a binary search of `array` to determine the index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndex(array, value, retHighest) {\n      var low = 0,\n          high = array == null ? low : array.length;\n\n      if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {\n        while (low < high) {\n          var mid = (low + high) >>> 1,\n              computed = array[mid];\n\n          if (computed !== null && !isSymbol(computed) &&\n              (retHighest ? (computed <= value) : (computed < value))) {\n            low = mid + 1;\n          } else {\n            high = mid;\n          }\n        }\n        return high;\n      }\n      return baseSortedIndexBy(array, value, identity, retHighest);\n    }\n\n    /**\n     * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`\n     * which invokes `iteratee` for `value` and each element of `array` to compute\n     * their sort ranking. The iteratee is invoked with one argument; (value).\n     *\n     * @private\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} iteratee The iteratee invoked per element.\n     * @param {boolean} [retHighest] Specify returning the highest qualified index.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     */\n    function baseSortedIndexBy(array, value, iteratee, retHighest) {\n      value = iteratee(value);\n\n      var low = 0,\n          high = array == null ? 0 : array.length,\n          valIsNaN = value !== value,\n          valIsNull = value === null,\n          valIsSymbol = isSymbol(value),\n          valIsUndefined = value === undefined;\n\n      while (low < high) {\n        var mid = nativeFloor((low + high) / 2),\n            computed = iteratee(array[mid]),\n            othIsDefined = computed !== undefined,\n            othIsNull = computed === null,\n            othIsReflexive = computed === computed,\n            othIsSymbol = isSymbol(computed);\n\n        if (valIsNaN) {\n          var setLow = retHighest || othIsReflexive;\n        } else if (valIsUndefined) {\n          setLow = othIsReflexive && (retHighest || othIsDefined);\n        } else if (valIsNull) {\n          setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);\n        } else if (valIsSymbol) {\n          setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);\n        } else if (othIsNull || othIsSymbol) {\n          setLow = false;\n        } else {\n          setLow = retHighest ? (computed <= value) : (computed < value);\n        }\n        if (setLow) {\n          low = mid + 1;\n        } else {\n          high = mid;\n        }\n      }\n      return nativeMin(high, MAX_ARRAY_INDEX);\n    }\n\n    /**\n     * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without\n     * support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseSortedUniq(array, iteratee) {\n      var index = -1,\n          length = array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        if (!index || !eq(computed, seen)) {\n          var seen = computed;\n          result[resIndex++] = value === 0 ? 0 : value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.toNumber` which doesn't ensure correct\n     * conversions of binary, hexadecimal, or octal string values.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     */\n    function baseToNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      return +value;\n    }\n\n    /**\n     * The base implementation of `_.toString` which doesn't convert nullish\n     * values to empty strings.\n     *\n     * @private\n     * @param {*} value The value to process.\n     * @returns {string} Returns the string.\n     */\n    function baseToString(value) {\n      // Exit early for strings to avoid a performance hit in some environments.\n      if (typeof value == 'string') {\n        return value;\n      }\n      if (isArray(value)) {\n        // Recursively convert values (susceptible to call stack limits).\n        return arrayMap(value, baseToString) + '';\n      }\n      if (isSymbol(value)) {\n        return symbolToString ? symbolToString.call(value) : '';\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * The base implementation of `_.uniqBy` without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     */\n    function baseUniq(array, iteratee, comparator) {\n      var index = -1,\n          includes = arrayIncludes,\n          length = array.length,\n          isCommon = true,\n          result = [],\n          seen = result;\n\n      if (comparator) {\n        isCommon = false;\n        includes = arrayIncludesWith;\n      }\n      else if (length >= LARGE_ARRAY_SIZE) {\n        var set = iteratee ? null : createSet(array);\n        if (set) {\n          return setToArray(set);\n        }\n        isCommon = false;\n        includes = cacheHas;\n        seen = new SetCache;\n      }\n      else {\n        seen = iteratee ? [] : result;\n      }\n      outer:\n      while (++index < length) {\n        var value = array[index],\n            computed = iteratee ? iteratee(value) : value;\n\n        value = (comparator || value !== 0) ? value : 0;\n        if (isCommon && computed === computed) {\n          var seenIndex = seen.length;\n          while (seenIndex--) {\n            if (seen[seenIndex] === computed) {\n              continue outer;\n            }\n          }\n          if (iteratee) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n        else if (!includes(seen, computed, comparator)) {\n          if (seen !== result) {\n            seen.push(computed);\n          }\n          result.push(value);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * The base implementation of `_.unset`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The property path to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     */\n    function baseUnset(object, path) {\n      path = castPath(path, object);\n      object = parent(object, path);\n      return object == null || delete object[toKey(last(path))];\n    }\n\n    /**\n     * The base implementation of `_.update`.\n     *\n     * @private\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to update.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize path creation.\n     * @returns {Object} Returns `object`.\n     */\n    function baseUpdate(object, path, updater, customizer) {\n      return baseSet(object, path, updater(baseGet(object, path)), customizer);\n    }\n\n    /**\n     * The base implementation of methods like `_.dropWhile` and `_.takeWhile`\n     * without support for iteratee shorthands.\n     *\n     * @private\n     * @param {Array} array The array to query.\n     * @param {Function} predicate The function invoked per iteration.\n     * @param {boolean} [isDrop] Specify dropping elements instead of taking them.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function baseWhile(array, predicate, isDrop, fromRight) {\n      var length = array.length,\n          index = fromRight ? length : -1;\n\n      while ((fromRight ? index-- : ++index < length) &&\n        predicate(array[index], index, array)) {}\n\n      return isDrop\n        ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))\n        : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));\n    }\n\n    /**\n     * The base implementation of `wrapperValue` which returns the result of\n     * performing a sequence of actions on the unwrapped `value`, where each\n     * successive action is supplied the return value of the previous.\n     *\n     * @private\n     * @param {*} value The unwrapped value.\n     * @param {Array} actions Actions to perform to resolve the unwrapped value.\n     * @returns {*} Returns the resolved value.\n     */\n    function baseWrapperValue(value, actions) {\n      var result = value;\n      if (result instanceof LazyWrapper) {\n        result = result.value();\n      }\n      return arrayReduce(actions, function(result, action) {\n        return action.func.apply(action.thisArg, arrayPush([result], action.args));\n      }, result);\n    }\n\n    /**\n     * The base implementation of methods like `_.xor`, without support for\n     * iteratee shorthands, that accepts an array of arrays to inspect.\n     *\n     * @private\n     * @param {Array} arrays The arrays to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of values.\n     */\n    function baseXor(arrays, iteratee, comparator) {\n      var length = arrays.length;\n      if (length < 2) {\n        return length ? baseUniq(arrays[0]) : [];\n      }\n      var index = -1,\n          result = Array(length);\n\n      while (++index < length) {\n        var array = arrays[index],\n            othIndex = -1;\n\n        while (++othIndex < length) {\n          if (othIndex != index) {\n            result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);\n          }\n        }\n      }\n      return baseUniq(baseFlatten(result, 1), iteratee, comparator);\n    }\n\n    /**\n     * This base implementation of `_.zipObject` which assigns values using `assignFunc`.\n     *\n     * @private\n     * @param {Array} props The property identifiers.\n     * @param {Array} values The property values.\n     * @param {Function} assignFunc The function to assign values.\n     * @returns {Object} Returns the new object.\n     */\n    function baseZipObject(props, values, assignFunc) {\n      var index = -1,\n          length = props.length,\n          valsLength = values.length,\n          result = {};\n\n      while (++index < length) {\n        var value = index < valsLength ? values[index] : undefined;\n        assignFunc(result, props[index], value);\n      }\n      return result;\n    }\n\n    /**\n     * Casts `value` to an empty array if it's not an array like object.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Array|Object} Returns the cast array-like object.\n     */\n    function castArrayLikeObject(value) {\n      return isArrayLikeObject(value) ? value : [];\n    }\n\n    /**\n     * Casts `value` to `identity` if it's not a function.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {Function} Returns cast function.\n     */\n    function castFunction(value) {\n      return typeof value == 'function' ? value : identity;\n    }\n\n    /**\n     * Casts `value` to a path array if it's not one.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {Array} Returns the cast property path array.\n     */\n    function castPath(value, object) {\n      if (isArray(value)) {\n        return value;\n      }\n      return isKey(value, object) ? [value] : stringToPath(toString(value));\n    }\n\n    /**\n     * A `baseRest` alias which can be replaced with `identity` by module\n     * replacement plugins.\n     *\n     * @private\n     * @type {Function}\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    var castRest = baseRest;\n\n    /**\n     * Casts `array` to a slice if it's needed.\n     *\n     * @private\n     * @param {Array} array The array to inspect.\n     * @param {number} start The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the cast slice.\n     */\n    function castSlice(array, start, end) {\n      var length = array.length;\n      end = end === undefined ? length : end;\n      return (!start && end >= length) ? array : baseSlice(array, start, end);\n    }\n\n    /**\n     * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).\n     *\n     * @private\n     * @param {number|Object} id The timer id or timeout object of the timer to clear.\n     */\n    var clearTimeout = ctxClearTimeout || function(id) {\n      return root.clearTimeout(id);\n    };\n\n    /**\n     * Creates a clone of  `buffer`.\n     *\n     * @private\n     * @param {Buffer} buffer The buffer to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Buffer} Returns the cloned buffer.\n     */\n    function cloneBuffer(buffer, isDeep) {\n      if (isDeep) {\n        return buffer.slice();\n      }\n      var length = buffer.length,\n          result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);\n\n      buffer.copy(result);\n      return result;\n    }\n\n    /**\n     * Creates a clone of `arrayBuffer`.\n     *\n     * @private\n     * @param {ArrayBuffer} arrayBuffer The array buffer to clone.\n     * @returns {ArrayBuffer} Returns the cloned array buffer.\n     */\n    function cloneArrayBuffer(arrayBuffer) {\n      var result = new arrayBuffer.constructor(arrayBuffer.byteLength);\n      new Uint8Array(result).set(new Uint8Array(arrayBuffer));\n      return result;\n    }\n\n    /**\n     * Creates a clone of `dataView`.\n     *\n     * @private\n     * @param {Object} dataView The data view to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned data view.\n     */\n    function cloneDataView(dataView, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;\n      return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);\n    }\n\n    /**\n     * Creates a clone of `map`.\n     *\n     * @private\n     * @param {Object} map The map to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned map.\n     */\n    function cloneMap(map, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);\n      return arrayReduce(array, addMapEntry, new map.constructor);\n    }\n\n    /**\n     * Creates a clone of `regexp`.\n     *\n     * @private\n     * @param {Object} regexp The regexp to clone.\n     * @returns {Object} Returns the cloned regexp.\n     */\n    function cloneRegExp(regexp) {\n      var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));\n      result.lastIndex = regexp.lastIndex;\n      return result;\n    }\n\n    /**\n     * Creates a clone of `set`.\n     *\n     * @private\n     * @param {Object} set The set to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned set.\n     */\n    function cloneSet(set, isDeep, cloneFunc) {\n      var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);\n      return arrayReduce(array, addSetEntry, new set.constructor);\n    }\n\n    /**\n     * Creates a clone of the `symbol` object.\n     *\n     * @private\n     * @param {Object} symbol The symbol object to clone.\n     * @returns {Object} Returns the cloned symbol object.\n     */\n    function cloneSymbol(symbol) {\n      return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};\n    }\n\n    /**\n     * Creates a clone of `typedArray`.\n     *\n     * @private\n     * @param {Object} typedArray The typed array to clone.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the cloned typed array.\n     */\n    function cloneTypedArray(typedArray, isDeep) {\n      var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;\n      return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);\n    }\n\n    /**\n     * Compares values to sort them in ascending order.\n     *\n     * @private\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {number} Returns the sort order indicator for `value`.\n     */\n    function compareAscending(value, other) {\n      if (value !== other) {\n        var valIsDefined = value !== undefined,\n            valIsNull = value === null,\n            valIsReflexive = value === value,\n            valIsSymbol = isSymbol(value);\n\n        var othIsDefined = other !== undefined,\n            othIsNull = other === null,\n            othIsReflexive = other === other,\n            othIsSymbol = isSymbol(other);\n\n        if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||\n            (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||\n            (valIsNull && othIsDefined && othIsReflexive) ||\n            (!valIsDefined && othIsReflexive) ||\n            !valIsReflexive) {\n          return 1;\n        }\n        if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||\n            (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||\n            (othIsNull && valIsDefined && valIsReflexive) ||\n            (!othIsDefined && valIsReflexive) ||\n            !othIsReflexive) {\n          return -1;\n        }\n      }\n      return 0;\n    }\n\n    /**\n     * Used by `_.orderBy` to compare multiple properties of a value to another\n     * and stable sort them.\n     *\n     * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,\n     * specify an order of \"desc\" for descending or \"asc\" for ascending sort order\n     * of corresponding values.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {boolean[]|string[]} orders The order to sort by for each property.\n     * @returns {number} Returns the sort order indicator for `object`.\n     */\n    function compareMultiple(object, other, orders) {\n      var index = -1,\n          objCriteria = object.criteria,\n          othCriteria = other.criteria,\n          length = objCriteria.length,\n          ordersLength = orders.length;\n\n      while (++index < length) {\n        var result = compareAscending(objCriteria[index], othCriteria[index]);\n        if (result) {\n          if (index >= ordersLength) {\n            return result;\n          }\n          var order = orders[index];\n          return result * (order == 'desc' ? -1 : 1);\n        }\n      }\n      // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications\n      // that causes it, under certain circumstances, to provide the same value for\n      // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247\n      // for more details.\n      //\n      // This also ensures a stable sort in V8 and other engines.\n      // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.\n      return object.index - other.index;\n    }\n\n    /**\n     * Creates an array that is the composition of partially applied arguments,\n     * placeholders, and provided arguments into a single array of arguments.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to prepend to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgs(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersLength = holders.length,\n          leftIndex = -1,\n          leftLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(leftLength + rangeLength),\n          isUncurried = !isCurried;\n\n      while (++leftIndex < leftLength) {\n        result[leftIndex] = partials[leftIndex];\n      }\n      while (++argsIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[holders[argsIndex]] = args[argsIndex];\n        }\n      }\n      while (rangeLength--) {\n        result[leftIndex++] = args[argsIndex++];\n      }\n      return result;\n    }\n\n    /**\n     * This function is like `composeArgs` except that the arguments composition\n     * is tailored for `_.partialRight`.\n     *\n     * @private\n     * @param {Array} args The provided arguments.\n     * @param {Array} partials The arguments to append to those provided.\n     * @param {Array} holders The `partials` placeholder indexes.\n     * @params {boolean} [isCurried] Specify composing for a curried function.\n     * @returns {Array} Returns the new array of composed arguments.\n     */\n    function composeArgsRight(args, partials, holders, isCurried) {\n      var argsIndex = -1,\n          argsLength = args.length,\n          holdersIndex = -1,\n          holdersLength = holders.length,\n          rightIndex = -1,\n          rightLength = partials.length,\n          rangeLength = nativeMax(argsLength - holdersLength, 0),\n          result = Array(rangeLength + rightLength),\n          isUncurried = !isCurried;\n\n      while (++argsIndex < rangeLength) {\n        result[argsIndex] = args[argsIndex];\n      }\n      var offset = argsIndex;\n      while (++rightIndex < rightLength) {\n        result[offset + rightIndex] = partials[rightIndex];\n      }\n      while (++holdersIndex < holdersLength) {\n        if (isUncurried || argsIndex < argsLength) {\n          result[offset + holders[holdersIndex]] = args[argsIndex++];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Copies the values of `source` to `array`.\n     *\n     * @private\n     * @param {Array} source The array to copy values from.\n     * @param {Array} [array=[]] The array to copy values to.\n     * @returns {Array} Returns `array`.\n     */\n    function copyArray(source, array) {\n      var index = -1,\n          length = source.length;\n\n      array || (array = Array(length));\n      while (++index < length) {\n        array[index] = source[index];\n      }\n      return array;\n    }\n\n    /**\n     * Copies properties of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy properties from.\n     * @param {Array} props The property identifiers to copy.\n     * @param {Object} [object={}] The object to copy properties to.\n     * @param {Function} [customizer] The function to customize copied values.\n     * @returns {Object} Returns `object`.\n     */\n    function copyObject(source, props, object, customizer) {\n      var isNew = !object;\n      object || (object = {});\n\n      var index = -1,\n          length = props.length;\n\n      while (++index < length) {\n        var key = props[index];\n\n        var newValue = customizer\n          ? customizer(object[key], source[key], key, object, source)\n          : undefined;\n\n        if (newValue === undefined) {\n          newValue = source[key];\n        }\n        if (isNew) {\n          baseAssignValue(object, key, newValue);\n        } else {\n          assignValue(object, key, newValue);\n        }\n      }\n      return object;\n    }\n\n    /**\n     * Copies own symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbols(source, object) {\n      return copyObject(source, getSymbols(source), object);\n    }\n\n    /**\n     * Copies own and inherited symbols of `source` to `object`.\n     *\n     * @private\n     * @param {Object} source The object to copy symbols from.\n     * @param {Object} [object={}] The object to copy symbols to.\n     * @returns {Object} Returns `object`.\n     */\n    function copySymbolsIn(source, object) {\n      return copyObject(source, getSymbolsIn(source), object);\n    }\n\n    /**\n     * Creates a function like `_.groupBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} [initializer] The accumulator object initializer.\n     * @returns {Function} Returns the new aggregator function.\n     */\n    function createAggregator(setter, initializer) {\n      return function(collection, iteratee) {\n        var func = isArray(collection) ? arrayAggregator : baseAggregator,\n            accumulator = initializer ? initializer() : {};\n\n        return func(collection, setter, getIteratee(iteratee, 2), accumulator);\n      };\n    }\n\n    /**\n     * Creates a function like `_.assign`.\n     *\n     * @private\n     * @param {Function} assigner The function to assign values.\n     * @returns {Function} Returns the new assigner function.\n     */\n    function createAssigner(assigner) {\n      return baseRest(function(object, sources) {\n        var index = -1,\n            length = sources.length,\n            customizer = length > 1 ? sources[length - 1] : undefined,\n            guard = length > 2 ? sources[2] : undefined;\n\n        customizer = (assigner.length > 3 && typeof customizer == 'function')\n          ? (length--, customizer)\n          : undefined;\n\n        if (guard && isIterateeCall(sources[0], sources[1], guard)) {\n          customizer = length < 3 ? undefined : customizer;\n          length = 1;\n        }\n        object = Object(object);\n        while (++index < length) {\n          var source = sources[index];\n          if (source) {\n            assigner(object, source, index, customizer);\n          }\n        }\n        return object;\n      });\n    }\n\n    /**\n     * Creates a `baseEach` or `baseEachRight` function.\n     *\n     * @private\n     * @param {Function} eachFunc The function to iterate over a collection.\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseEach(eachFunc, fromRight) {\n      return function(collection, iteratee) {\n        if (collection == null) {\n          return collection;\n        }\n        if (!isArrayLike(collection)) {\n          return eachFunc(collection, iteratee);\n        }\n        var length = collection.length,\n            index = fromRight ? length : -1,\n            iterable = Object(collection);\n\n        while ((fromRight ? index-- : ++index < length)) {\n          if (iteratee(iterable[index], index, iterable) === false) {\n            break;\n          }\n        }\n        return collection;\n      };\n    }\n\n    /**\n     * Creates a base function for methods like `_.forIn` and `_.forOwn`.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new base function.\n     */\n    function createBaseFor(fromRight) {\n      return function(object, iteratee, keysFunc) {\n        var index = -1,\n            iterable = Object(object),\n            props = keysFunc(object),\n            length = props.length;\n\n        while (length--) {\n          var key = props[fromRight ? length : ++index];\n          if (iteratee(iterable[key], key, iterable) === false) {\n            break;\n          }\n        }\n        return object;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the optional `this`\n     * binding of `thisArg`.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createBind(func, bitmask, thisArg) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return fn.apply(isBind ? thisArg : this, arguments);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.lowerFirst`.\n     *\n     * @private\n     * @param {string} methodName The name of the `String` case method to use.\n     * @returns {Function} Returns the new case function.\n     */\n    function createCaseFirst(methodName) {\n      return function(string) {\n        string = toString(string);\n\n        var strSymbols = hasUnicode(string)\n          ? stringToArray(string)\n          : undefined;\n\n        var chr = strSymbols\n          ? strSymbols[0]\n          : string.charAt(0);\n\n        var trailing = strSymbols\n          ? castSlice(strSymbols, 1).join('')\n          : string.slice(1);\n\n        return chr[methodName]() + trailing;\n      };\n    }\n\n    /**\n     * Creates a function like `_.camelCase`.\n     *\n     * @private\n     * @param {Function} callback The function to combine each word.\n     * @returns {Function} Returns the new compounder function.\n     */\n    function createCompounder(callback) {\n      return function(string) {\n        return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');\n      };\n    }\n\n    /**\n     * Creates a function that produces an instance of `Ctor` regardless of\n     * whether it was invoked as part of a `new` expression or by `call` or `apply`.\n     *\n     * @private\n     * @param {Function} Ctor The constructor to wrap.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCtor(Ctor) {\n      return function() {\n        // Use a `switch` statement to work with class constructors. See\n        // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist\n        // for more details.\n        var args = arguments;\n        switch (args.length) {\n          case 0: return new Ctor;\n          case 1: return new Ctor(args[0]);\n          case 2: return new Ctor(args[0], args[1]);\n          case 3: return new Ctor(args[0], args[1], args[2]);\n          case 4: return new Ctor(args[0], args[1], args[2], args[3]);\n          case 5: return new Ctor(args[0], args[1], args[2], args[3], args[4]);\n          case 6: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);\n          case 7: return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);\n        }\n        var thisBinding = baseCreate(Ctor.prototype),\n            result = Ctor.apply(thisBinding, args);\n\n        // Mimic the constructor's `return` behavior.\n        // See https://es5.github.io/#x13.2.2 for more details.\n        return isObject(result) ? result : thisBinding;\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to enable currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {number} arity The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createCurry(func, bitmask, arity) {\n      var Ctor = createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length,\n            placeholder = getHolder(wrapper);\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        var holders = (length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder)\n          ? []\n          : replaceHolders(args, placeholder);\n\n        length -= holders.length;\n        if (length < arity) {\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, undefined,\n            args, holders, undefined, undefined, arity - length);\n        }\n        var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n        return apply(fn, this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.find` or `_.findLast` function.\n     *\n     * @private\n     * @param {Function} findIndexFunc The function to find the collection index.\n     * @returns {Function} Returns the new find function.\n     */\n    function createFind(findIndexFunc) {\n      return function(collection, predicate, fromIndex) {\n        var iterable = Object(collection);\n        if (!isArrayLike(collection)) {\n          var iteratee = getIteratee(predicate, 3);\n          collection = keys(collection);\n          predicate = function(key) { return iteratee(iterable[key], key, iterable); };\n        }\n        var index = findIndexFunc(collection, predicate, fromIndex);\n        return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;\n      };\n    }\n\n    /**\n     * Creates a `_.flow` or `_.flowRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new flow function.\n     */\n    function createFlow(fromRight) {\n      return flatRest(function(funcs) {\n        var length = funcs.length,\n            index = length,\n            prereq = LodashWrapper.prototype.thru;\n\n        if (fromRight) {\n          funcs.reverse();\n        }\n        while (index--) {\n          var func = funcs[index];\n          if (typeof func != 'function') {\n            throw new TypeError(FUNC_ERROR_TEXT);\n          }\n          if (prereq && !wrapper && getFuncName(func) == 'wrapper') {\n            var wrapper = new LodashWrapper([], true);\n          }\n        }\n        index = wrapper ? index : length;\n        while (++index < length) {\n          func = funcs[index];\n\n          var funcName = getFuncName(func),\n              data = funcName == 'wrapper' ? getData(func) : undefined;\n\n          if (data && isLaziable(data[0]) &&\n                data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) &&\n                !data[4].length && data[9] == 1\n              ) {\n            wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);\n          } else {\n            wrapper = (func.length == 1 && isLaziable(func))\n              ? wrapper[funcName]()\n              : wrapper.thru(func);\n          }\n        }\n        return function() {\n          var args = arguments,\n              value = args[0];\n\n          if (wrapper && args.length == 1 && isArray(value)) {\n            return wrapper.plant(value).value();\n          }\n          var index = 0,\n              result = length ? funcs[index].apply(this, args) : value;\n\n          while (++index < length) {\n            result = funcs[index].call(this, result);\n          }\n          return result;\n        };\n      });\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with optional `this`\n     * binding of `thisArg`, partial application, and currying.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [partialsRight] The arguments to append to those provided\n     *  to the new function.\n     * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, arity) {\n      var isAry = bitmask & WRAP_ARY_FLAG,\n          isBind = bitmask & WRAP_BIND_FLAG,\n          isBindKey = bitmask & WRAP_BIND_KEY_FLAG,\n          isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG),\n          isFlip = bitmask & WRAP_FLIP_FLAG,\n          Ctor = isBindKey ? undefined : createCtor(func);\n\n      function wrapper() {\n        var length = arguments.length,\n            args = Array(length),\n            index = length;\n\n        while (index--) {\n          args[index] = arguments[index];\n        }\n        if (isCurried) {\n          var placeholder = getHolder(wrapper),\n              holdersCount = countHolders(args, placeholder);\n        }\n        if (partials) {\n          args = composeArgs(args, partials, holders, isCurried);\n        }\n        if (partialsRight) {\n          args = composeArgsRight(args, partialsRight, holdersRight, isCurried);\n        }\n        length -= holdersCount;\n        if (isCurried && length < arity) {\n          var newHolders = replaceHolders(args, placeholder);\n          return createRecurry(\n            func, bitmask, createHybrid, wrapper.placeholder, thisArg,\n            args, newHolders, argPos, ary, arity - length\n          );\n        }\n        var thisBinding = isBind ? thisArg : this,\n            fn = isBindKey ? thisBinding[func] : func;\n\n        length = args.length;\n        if (argPos) {\n          args = reorder(args, argPos);\n        } else if (isFlip && length > 1) {\n          args.reverse();\n        }\n        if (isAry && ary < length) {\n          args.length = ary;\n        }\n        if (this && this !== root && this instanceof wrapper) {\n          fn = Ctor || createCtor(fn);\n        }\n        return fn.apply(thisBinding, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a function like `_.invertBy`.\n     *\n     * @private\n     * @param {Function} setter The function to set accumulator values.\n     * @param {Function} toIteratee The function to resolve iteratees.\n     * @returns {Function} Returns the new inverter function.\n     */\n    function createInverter(setter, toIteratee) {\n      return function(object, iteratee) {\n        return baseInverter(object, setter, toIteratee(iteratee), {});\n      };\n    }\n\n    /**\n     * Creates a function that performs a mathematical operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @param {number} [defaultValue] The value used for `undefined` arguments.\n     * @returns {Function} Returns the new mathematical operation function.\n     */\n    function createMathOperation(operator, defaultValue) {\n      return function(value, other) {\n        var result;\n        if (value === undefined && other === undefined) {\n          return defaultValue;\n        }\n        if (value !== undefined) {\n          result = value;\n        }\n        if (other !== undefined) {\n          if (result === undefined) {\n            return other;\n          }\n          if (typeof value == 'string' || typeof other == 'string') {\n            value = baseToString(value);\n            other = baseToString(other);\n          } else {\n            value = baseToNumber(value);\n            other = baseToNumber(other);\n          }\n          result = operator(value, other);\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function like `_.over`.\n     *\n     * @private\n     * @param {Function} arrayFunc The function to iterate over iteratees.\n     * @returns {Function} Returns the new over function.\n     */\n    function createOver(arrayFunc) {\n      return flatRest(function(iteratees) {\n        iteratees = arrayMap(iteratees, baseUnary(getIteratee()));\n        return baseRest(function(args) {\n          var thisArg = this;\n          return arrayFunc(iteratees, function(iteratee) {\n            return apply(iteratee, thisArg, args);\n          });\n        });\n      });\n    }\n\n    /**\n     * Creates the padding for `string` based on `length`. The `chars` string\n     * is truncated if the number of characters exceeds `length`.\n     *\n     * @private\n     * @param {number} length The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padding for `string`.\n     */\n    function createPadding(length, chars) {\n      chars = chars === undefined ? ' ' : baseToString(chars);\n\n      var charsLength = chars.length;\n      if (charsLength < 2) {\n        return charsLength ? baseRepeat(chars, length) : chars;\n      }\n      var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));\n      return hasUnicode(chars)\n        ? castSlice(stringToArray(result), 0, length).join('')\n        : result.slice(0, length);\n    }\n\n    /**\n     * Creates a function that wraps `func` to invoke it with the `this` binding\n     * of `thisArg` and `partials` prepended to the arguments it receives.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {Array} partials The arguments to prepend to those provided to\n     *  the new function.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createPartial(func, bitmask, thisArg, partials) {\n      var isBind = bitmask & WRAP_BIND_FLAG,\n          Ctor = createCtor(func);\n\n      function wrapper() {\n        var argsIndex = -1,\n            argsLength = arguments.length,\n            leftIndex = -1,\n            leftLength = partials.length,\n            args = Array(leftLength + argsLength),\n            fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;\n\n        while (++leftIndex < leftLength) {\n          args[leftIndex] = partials[leftIndex];\n        }\n        while (argsLength--) {\n          args[leftIndex++] = arguments[++argsIndex];\n        }\n        return apply(fn, isBind ? thisArg : this, args);\n      }\n      return wrapper;\n    }\n\n    /**\n     * Creates a `_.range` or `_.rangeRight` function.\n     *\n     * @private\n     * @param {boolean} [fromRight] Specify iterating from right to left.\n     * @returns {Function} Returns the new range function.\n     */\n    function createRange(fromRight) {\n      return function(start, end, step) {\n        if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {\n          end = step = undefined;\n        }\n        // Ensure the sign of `-0` is preserved.\n        start = toFinite(start);\n        if (end === undefined) {\n          end = start;\n          start = 0;\n        } else {\n          end = toFinite(end);\n        }\n        step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);\n        return baseRange(start, end, step, fromRight);\n      };\n    }\n\n    /**\n     * Creates a function that performs a relational operation on two values.\n     *\n     * @private\n     * @param {Function} operator The function to perform the operation.\n     * @returns {Function} Returns the new relational operation function.\n     */\n    function createRelationalOperation(operator) {\n      return function(value, other) {\n        if (!(typeof value == 'string' && typeof other == 'string')) {\n          value = toNumber(value);\n          other = toNumber(other);\n        }\n        return operator(value, other);\n      };\n    }\n\n    /**\n     * Creates a function that wraps `func` to continue currying.\n     *\n     * @private\n     * @param {Function} func The function to wrap.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @param {Function} wrapFunc The function to create the `func` wrapper.\n     * @param {*} placeholder The placeholder value.\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to prepend to those provided to\n     *  the new function.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {\n      var isCurry = bitmask & WRAP_CURRY_FLAG,\n          newHolders = isCurry ? holders : undefined,\n          newHoldersRight = isCurry ? undefined : holders,\n          newPartials = isCurry ? partials : undefined,\n          newPartialsRight = isCurry ? undefined : partials;\n\n      bitmask |= (isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG);\n      bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);\n\n      if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {\n        bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);\n      }\n      var newData = [\n        func, bitmask, thisArg, newPartials, newHolders, newPartialsRight,\n        newHoldersRight, argPos, ary, arity\n      ];\n\n      var result = wrapFunc.apply(undefined, newData);\n      if (isLaziable(func)) {\n        setData(result, newData);\n      }\n      result.placeholder = placeholder;\n      return setWrapToString(result, func, bitmask);\n    }\n\n    /**\n     * Creates a function like `_.round`.\n     *\n     * @private\n     * @param {string} methodName The name of the `Math` method to use when rounding.\n     * @returns {Function} Returns the new round function.\n     */\n    function createRound(methodName) {\n      var func = Math[methodName];\n      return function(number, precision) {\n        number = toNumber(number);\n        precision = precision == null ? 0 : nativeMin(toInteger(precision), 292);\n        if (precision) {\n          // Shift with exponential notation to avoid floating-point issues.\n          // See [MDN](https://mdn.io/round#Examples) for more details.\n          var pair = (toString(number) + 'e').split('e'),\n              value = func(pair[0] + 'e' + (+pair[1] + precision));\n\n          pair = (toString(value) + 'e').split('e');\n          return +(pair[0] + 'e' + (+pair[1] - precision));\n        }\n        return func(number);\n      };\n    }\n\n    /**\n     * Creates a set object of `values`.\n     *\n     * @private\n     * @param {Array} values The values to add to the set.\n     * @returns {Object} Returns the new set.\n     */\n    var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {\n      return new Set(values);\n    };\n\n    /**\n     * Creates a `_.toPairs` or `_.toPairsIn` function.\n     *\n     * @private\n     * @param {Function} keysFunc The function to get the keys of a given object.\n     * @returns {Function} Returns the new pairs function.\n     */\n    function createToPairs(keysFunc) {\n      return function(object) {\n        var tag = getTag(object);\n        if (tag == mapTag) {\n          return mapToArray(object);\n        }\n        if (tag == setTag) {\n          return setToPairs(object);\n        }\n        return baseToPairs(object, keysFunc(object));\n      };\n    }\n\n    /**\n     * Creates a function that either curries or invokes `func` with optional\n     * `this` binding and partially applied arguments.\n     *\n     * @private\n     * @param {Function|string} func The function or method name to wrap.\n     * @param {number} bitmask The bitmask flags.\n     *    1 - `_.bind`\n     *    2 - `_.bindKey`\n     *    4 - `_.curry` or `_.curryRight` of a bound function\n     *    8 - `_.curry`\n     *   16 - `_.curryRight`\n     *   32 - `_.partial`\n     *   64 - `_.partialRight`\n     *  128 - `_.rearg`\n     *  256 - `_.ary`\n     *  512 - `_.flip`\n     * @param {*} [thisArg] The `this` binding of `func`.\n     * @param {Array} [partials] The arguments to be partially applied.\n     * @param {Array} [holders] The `partials` placeholder indexes.\n     * @param {Array} [argPos] The argument positions of the new function.\n     * @param {number} [ary] The arity cap of `func`.\n     * @param {number} [arity] The arity of `func`.\n     * @returns {Function} Returns the new wrapped function.\n     */\n    function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {\n      var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;\n      if (!isBindKey && typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var length = partials ? partials.length : 0;\n      if (!length) {\n        bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);\n        partials = holders = undefined;\n      }\n      ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);\n      arity = arity === undefined ? arity : toInteger(arity);\n      length -= holders ? holders.length : 0;\n\n      if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {\n        var partialsRight = partials,\n            holdersRight = holders;\n\n        partials = holders = undefined;\n      }\n      var data = isBindKey ? undefined : getData(func);\n\n      var newData = [\n        func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,\n        argPos, ary, arity\n      ];\n\n      if (data) {\n        mergeData(newData, data);\n      }\n      func = newData[0];\n      bitmask = newData[1];\n      thisArg = newData[2];\n      partials = newData[3];\n      holders = newData[4];\n      arity = newData[9] = newData[9] === undefined\n        ? (isBindKey ? 0 : func.length)\n        : nativeMax(newData[9] - length, 0);\n\n      if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {\n        bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);\n      }\n      if (!bitmask || bitmask == WRAP_BIND_FLAG) {\n        var result = createBind(func, bitmask, thisArg);\n      } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {\n        result = createCurry(func, bitmask, arity);\n      } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {\n        result = createPartial(func, bitmask, thisArg, partials);\n      } else {\n        result = createHybrid.apply(undefined, newData);\n      }\n      var setter = data ? baseSetData : setData;\n      return setWrapToString(setter(result, newData), func, bitmask);\n    }\n\n    /**\n     * Used by `_.defaults` to customize its `_.assignIn` use to assign properties\n     * of source objects to the destination object for all destination properties\n     * that resolve to `undefined`.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to assign.\n     * @param {Object} object The parent object of `objValue`.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsAssignIn(objValue, srcValue, key, object) {\n      if (objValue === undefined ||\n          (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {\n        return srcValue;\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.defaultsDeep` to customize its `_.merge` use to merge source\n     * objects into destination objects that are passed thru.\n     *\n     * @private\n     * @param {*} objValue The destination value.\n     * @param {*} srcValue The source value.\n     * @param {string} key The key of the property to merge.\n     * @param {Object} object The parent object of `objValue`.\n     * @param {Object} source The parent object of `srcValue`.\n     * @param {Object} [stack] Tracks traversed source values and their merged\n     *  counterparts.\n     * @returns {*} Returns the value to assign.\n     */\n    function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {\n      if (isObject(objValue) && isObject(srcValue)) {\n        // Recursively merge objects and arrays (susceptible to call stack limits).\n        stack.set(srcValue, objValue);\n        baseMerge(objValue, srcValue, undefined, customDefaultsMerge, stack);\n        stack['delete'](srcValue);\n      }\n      return objValue;\n    }\n\n    /**\n     * Used by `_.omit` to customize its `_.cloneDeep` use to only clone plain\n     * objects.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @param {string} key The key of the property to inspect.\n     * @returns {*} Returns the uncloned value or `undefined` to defer cloning to `_.cloneDeep`.\n     */\n    function customOmitClone(value) {\n      return isPlainObject(value) ? undefined : value;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for arrays with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Array} array The array to compare.\n     * @param {Array} other The other array to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `array` and `other` objects.\n     * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.\n     */\n    function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          arrLength = array.length,\n          othLength = other.length;\n\n      if (arrLength != othLength && !(isPartial && othLength > arrLength)) {\n        return false;\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(array);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var index = -1,\n          result = true,\n          seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;\n\n      stack.set(array, other);\n      stack.set(other, array);\n\n      // Ignore non-index properties.\n      while (++index < arrLength) {\n        var arrValue = array[index],\n            othValue = other[index];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, arrValue, index, other, array, stack)\n            : customizer(arrValue, othValue, index, array, other, stack);\n        }\n        if (compared !== undefined) {\n          if (compared) {\n            continue;\n          }\n          result = false;\n          break;\n        }\n        // Recursively compare arrays (susceptible to call stack limits).\n        if (seen) {\n          if (!arraySome(other, function(othValue, othIndex) {\n                if (!cacheHas(seen, othIndex) &&\n                    (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {\n                  return seen.push(othIndex);\n                }\n              })) {\n            result = false;\n            break;\n          }\n        } else if (!(\n              arrValue === othValue ||\n                equalFunc(arrValue, othValue, bitmask, customizer, stack)\n            )) {\n          result = false;\n          break;\n        }\n      }\n      stack['delete'](array);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for comparing objects of\n     * the same `toStringTag`.\n     *\n     * **Note:** This function only supports comparing values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {string} tag The `toStringTag` of the objects to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {\n      switch (tag) {\n        case dataViewTag:\n          if ((object.byteLength != other.byteLength) ||\n              (object.byteOffset != other.byteOffset)) {\n            return false;\n          }\n          object = object.buffer;\n          other = other.buffer;\n\n        case arrayBufferTag:\n          if ((object.byteLength != other.byteLength) ||\n              !equalFunc(new Uint8Array(object), new Uint8Array(other))) {\n            return false;\n          }\n          return true;\n\n        case boolTag:\n        case dateTag:\n        case numberTag:\n          // Coerce booleans to `1` or `0` and dates to milliseconds.\n          // Invalid dates are coerced to `NaN`.\n          return eq(+object, +other);\n\n        case errorTag:\n          return object.name == other.name && object.message == other.message;\n\n        case regexpTag:\n        case stringTag:\n          // Coerce regexes to strings and treat strings, primitives and objects,\n          // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring\n          // for more details.\n          return object == (other + '');\n\n        case mapTag:\n          var convert = mapToArray;\n\n        case setTag:\n          var isPartial = bitmask & COMPARE_PARTIAL_FLAG;\n          convert || (convert = setToArray);\n\n          if (object.size != other.size && !isPartial) {\n            return false;\n          }\n          // Assume cyclic values are equal.\n          var stacked = stack.get(object);\n          if (stacked) {\n            return stacked == other;\n          }\n          bitmask |= COMPARE_UNORDERED_FLAG;\n\n          // Recursively compare objects (susceptible to call stack limits).\n          stack.set(object, other);\n          var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);\n          stack['delete'](object);\n          return result;\n\n        case symbolTag:\n          if (symbolValueOf) {\n            return symbolValueOf.call(object) == symbolValueOf.call(other);\n          }\n      }\n      return false;\n    }\n\n    /**\n     * A specialized version of `baseIsEqualDeep` for objects with support for\n     * partial deep comparisons.\n     *\n     * @private\n     * @param {Object} object The object to compare.\n     * @param {Object} other The other object to compare.\n     * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.\n     * @param {Function} customizer The function to customize comparisons.\n     * @param {Function} equalFunc The function to determine equivalents of values.\n     * @param {Object} stack Tracks traversed `object` and `other` objects.\n     * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.\n     */\n    function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {\n      var isPartial = bitmask & COMPARE_PARTIAL_FLAG,\n          objProps = getAllKeys(object),\n          objLength = objProps.length,\n          othProps = getAllKeys(other),\n          othLength = othProps.length;\n\n      if (objLength != othLength && !isPartial) {\n        return false;\n      }\n      var index = objLength;\n      while (index--) {\n        var key = objProps[index];\n        if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {\n          return false;\n        }\n      }\n      // Assume cyclic values are equal.\n      var stacked = stack.get(object);\n      if (stacked && stack.get(other)) {\n        return stacked == other;\n      }\n      var result = true;\n      stack.set(object, other);\n      stack.set(other, object);\n\n      var skipCtor = isPartial;\n      while (++index < objLength) {\n        key = objProps[index];\n        var objValue = object[key],\n            othValue = other[key];\n\n        if (customizer) {\n          var compared = isPartial\n            ? customizer(othValue, objValue, key, other, object, stack)\n            : customizer(objValue, othValue, key, object, other, stack);\n        }\n        // Recursively compare objects (susceptible to call stack limits).\n        if (!(compared === undefined\n              ? (objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack))\n              : compared\n            )) {\n          result = false;\n          break;\n        }\n        skipCtor || (skipCtor = key == 'constructor');\n      }\n      if (result && !skipCtor) {\n        var objCtor = object.constructor,\n            othCtor = other.constructor;\n\n        // Non `Object` object instances with different constructors are not equal.\n        if (objCtor != othCtor &&\n            ('constructor' in object && 'constructor' in other) &&\n            !(typeof objCtor == 'function' && objCtor instanceof objCtor &&\n              typeof othCtor == 'function' && othCtor instanceof othCtor)) {\n          result = false;\n        }\n      }\n      stack['delete'](object);\n      stack['delete'](other);\n      return result;\n    }\n\n    /**\n     * A specialized version of `baseRest` which flattens the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @returns {Function} Returns the new function.\n     */\n    function flatRest(func) {\n      return setToString(overRest(func, undefined, flatten), func + '');\n    }\n\n    /**\n     * Creates an array of own enumerable property names and symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeys(object) {\n      return baseGetAllKeys(object, keys, getSymbols);\n    }\n\n    /**\n     * Creates an array of own and inherited enumerable property names and\n     * symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names and symbols.\n     */\n    function getAllKeysIn(object) {\n      return baseGetAllKeys(object, keysIn, getSymbolsIn);\n    }\n\n    /**\n     * Gets metadata for `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {*} Returns the metadata for `func`.\n     */\n    var getData = !metaMap ? noop : function(func) {\n      return metaMap.get(func);\n    };\n\n    /**\n     * Gets the name of `func`.\n     *\n     * @private\n     * @param {Function} func The function to query.\n     * @returns {string} Returns the function name.\n     */\n    function getFuncName(func) {\n      var result = (func.name + ''),\n          array = realNames[result],\n          length = hasOwnProperty.call(realNames, result) ? array.length : 0;\n\n      while (length--) {\n        var data = array[length],\n            otherFunc = data.func;\n        if (otherFunc == null || otherFunc == func) {\n          return data.name;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Gets the argument placeholder value for `func`.\n     *\n     * @private\n     * @param {Function} func The function to inspect.\n     * @returns {*} Returns the placeholder value.\n     */\n    function getHolder(func) {\n      var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;\n      return object.placeholder;\n    }\n\n    /**\n     * Gets the appropriate \"iteratee\" function. If `_.iteratee` is customized,\n     * this function returns the custom method, otherwise it returns `baseIteratee`.\n     * If arguments are provided, the chosen function is invoked with them and\n     * its result is returned.\n     *\n     * @private\n     * @param {*} [value] The value to convert to an iteratee.\n     * @param {number} [arity] The arity of the created iteratee.\n     * @returns {Function} Returns the chosen function or its result.\n     */\n    function getIteratee() {\n      var result = lodash.iteratee || iteratee;\n      result = result === iteratee ? baseIteratee : result;\n      return arguments.length ? result(arguments[0], arguments[1]) : result;\n    }\n\n    /**\n     * Gets the data for `map`.\n     *\n     * @private\n     * @param {Object} map The map to query.\n     * @param {string} key The reference key.\n     * @returns {*} Returns the map data.\n     */\n    function getMapData(map, key) {\n      var data = map.__data__;\n      return isKeyable(key)\n        ? data[typeof key == 'string' ? 'string' : 'hash']\n        : data.map;\n    }\n\n    /**\n     * Gets the property names, values, and compare flags of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the match data of `object`.\n     */\n    function getMatchData(object) {\n      var result = keys(object),\n          length = result.length;\n\n      while (length--) {\n        var key = result[length],\n            value = object[key];\n\n        result[length] = [key, value, isStrictComparable(value)];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the native function at `key` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {string} key The key of the method to get.\n     * @returns {*} Returns the function if it's native, else `undefined`.\n     */\n    function getNative(object, key) {\n      var value = getValue(object, key);\n      return baseIsNative(value) ? value : undefined;\n    }\n\n    /**\n     * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the raw `toStringTag`.\n     */\n    function getRawTag(value) {\n      var isOwn = hasOwnProperty.call(value, symToStringTag),\n          tag = value[symToStringTag];\n\n      try {\n        value[symToStringTag] = undefined;\n        var unmasked = true;\n      } catch (e) {}\n\n      var result = nativeObjectToString.call(value);\n      if (unmasked) {\n        if (isOwn) {\n          value[symToStringTag] = tag;\n        } else {\n          delete value[symToStringTag];\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array of the own enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbols = !nativeGetSymbols ? stubArray : function(object) {\n      if (object == null) {\n        return [];\n      }\n      object = Object(object);\n      return arrayFilter(nativeGetSymbols(object), function(symbol) {\n        return propertyIsEnumerable.call(object, symbol);\n      });\n    };\n\n    /**\n     * Creates an array of the own and inherited enumerable symbols of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of symbols.\n     */\n    var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {\n      var result = [];\n      while (object) {\n        arrayPush(result, getSymbols(object));\n        object = getPrototype(object);\n      }\n      return result;\n    };\n\n    /**\n     * Gets the `toStringTag` of `value`.\n     *\n     * @private\n     * @param {*} value The value to query.\n     * @returns {string} Returns the `toStringTag`.\n     */\n    var getTag = baseGetTag;\n\n    // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.\n    if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||\n        (Map && getTag(new Map) != mapTag) ||\n        (Promise && getTag(Promise.resolve()) != promiseTag) ||\n        (Set && getTag(new Set) != setTag) ||\n        (WeakMap && getTag(new WeakMap) != weakMapTag)) {\n      getTag = function(value) {\n        var result = baseGetTag(value),\n            Ctor = result == objectTag ? value.constructor : undefined,\n            ctorString = Ctor ? toSource(Ctor) : '';\n\n        if (ctorString) {\n          switch (ctorString) {\n            case dataViewCtorString: return dataViewTag;\n            case mapCtorString: return mapTag;\n            case promiseCtorString: return promiseTag;\n            case setCtorString: return setTag;\n            case weakMapCtorString: return weakMapTag;\n          }\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Gets the view, applying any `transforms` to the `start` and `end` positions.\n     *\n     * @private\n     * @param {number} start The start of the view.\n     * @param {number} end The end of the view.\n     * @param {Array} transforms The transformations to apply to the view.\n     * @returns {Object} Returns an object containing the `start` and `end`\n     *  positions of the view.\n     */\n    function getView(start, end, transforms) {\n      var index = -1,\n          length = transforms.length;\n\n      while (++index < length) {\n        var data = transforms[index],\n            size = data.size;\n\n        switch (data.type) {\n          case 'drop':      start += size; break;\n          case 'dropRight': end -= size; break;\n          case 'take':      end = nativeMin(end, start + size); break;\n          case 'takeRight': start = nativeMax(start, end - size); break;\n        }\n      }\n      return { 'start': start, 'end': end };\n    }\n\n    /**\n     * Extracts wrapper details from the `source` body comment.\n     *\n     * @private\n     * @param {string} source The source to inspect.\n     * @returns {Array} Returns the wrapper details.\n     */\n    function getWrapDetails(source) {\n      var match = source.match(reWrapDetails);\n      return match ? match[1].split(reSplitDetails) : [];\n    }\n\n    /**\n     * Checks if `path` exists on `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @param {Function} hasFunc The function to check properties.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     */\n    function hasPath(object, path, hasFunc) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length,\n          result = false;\n\n      while (++index < length) {\n        var key = toKey(path[index]);\n        if (!(result = object != null && hasFunc(object, key))) {\n          break;\n        }\n        object = object[key];\n      }\n      if (result || ++index != length) {\n        return result;\n      }\n      length = object == null ? 0 : object.length;\n      return !!length && isLength(length) && isIndex(key, length) &&\n        (isArray(object) || isArguments(object));\n    }\n\n    /**\n     * Initializes an array clone.\n     *\n     * @private\n     * @param {Array} array The array to clone.\n     * @returns {Array} Returns the initialized clone.\n     */\n    function initCloneArray(array) {\n      var length = array.length,\n          result = array.constructor(length);\n\n      // Add properties assigned by `RegExp#exec`.\n      if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {\n        result.index = array.index;\n        result.input = array.input;\n      }\n      return result;\n    }\n\n    /**\n     * Initializes an object clone.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneObject(object) {\n      return (typeof object.constructor == 'function' && !isPrototype(object))\n        ? baseCreate(getPrototype(object))\n        : {};\n    }\n\n    /**\n     * Initializes an object clone based on its `toStringTag`.\n     *\n     * **Note:** This function only supports cloning values with tags of\n     * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.\n     *\n     * @private\n     * @param {Object} object The object to clone.\n     * @param {string} tag The `toStringTag` of the object to clone.\n     * @param {Function} cloneFunc The function to clone values.\n     * @param {boolean} [isDeep] Specify a deep clone.\n     * @returns {Object} Returns the initialized clone.\n     */\n    function initCloneByTag(object, tag, cloneFunc, isDeep) {\n      var Ctor = object.constructor;\n      switch (tag) {\n        case arrayBufferTag:\n          return cloneArrayBuffer(object);\n\n        case boolTag:\n        case dateTag:\n          return new Ctor(+object);\n\n        case dataViewTag:\n          return cloneDataView(object, isDeep);\n\n        case float32Tag: case float64Tag:\n        case int8Tag: case int16Tag: case int32Tag:\n        case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:\n          return cloneTypedArray(object, isDeep);\n\n        case mapTag:\n          return cloneMap(object, isDeep, cloneFunc);\n\n        case numberTag:\n        case stringTag:\n          return new Ctor(object);\n\n        case regexpTag:\n          return cloneRegExp(object);\n\n        case setTag:\n          return cloneSet(object, isDeep, cloneFunc);\n\n        case symbolTag:\n          return cloneSymbol(object);\n      }\n    }\n\n    /**\n     * Inserts wrapper `details` in a comment at the top of the `source` body.\n     *\n     * @private\n     * @param {string} source The source to modify.\n     * @returns {Array} details The details to insert.\n     * @returns {string} Returns the modified source.\n     */\n    function insertWrapDetails(source, details) {\n      var length = details.length;\n      if (!length) {\n        return source;\n      }\n      var lastIndex = length - 1;\n      details[lastIndex] = (length > 1 ? '& ' : '') + details[lastIndex];\n      details = details.join(length > 2 ? ', ' : ' ');\n      return source.replace(reWrapComment, '{\\n/* [wrapped with ' + details + '] */\\n');\n    }\n\n    /**\n     * Checks if `value` is a flattenable `arguments` object or array.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.\n     */\n    function isFlattenable(value) {\n      return isArray(value) || isArguments(value) ||\n        !!(spreadableSymbol && value && value[spreadableSymbol]);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like index.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.\n     * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.\n     */\n    function isIndex(value, length) {\n      length = length == null ? MAX_SAFE_INTEGER : length;\n      return !!length &&\n        (typeof value == 'number' || reIsUint.test(value)) &&\n        (value > -1 && value % 1 == 0 && value < length);\n    }\n\n    /**\n     * Checks if the given arguments are from an iteratee call.\n     *\n     * @private\n     * @param {*} value The potential iteratee value argument.\n     * @param {*} index The potential iteratee index or key argument.\n     * @param {*} object The potential iteratee object argument.\n     * @returns {boolean} Returns `true` if the arguments are from an iteratee call,\n     *  else `false`.\n     */\n    function isIterateeCall(value, index, object) {\n      if (!isObject(object)) {\n        return false;\n      }\n      var type = typeof index;\n      if (type == 'number'\n            ? (isArrayLike(object) && isIndex(index, object.length))\n            : (type == 'string' && index in object)\n          ) {\n        return eq(object[index], value);\n      }\n      return false;\n    }\n\n    /**\n     * Checks if `value` is a property name and not a property path.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @param {Object} [object] The object to query keys on.\n     * @returns {boolean} Returns `true` if `value` is a property name, else `false`.\n     */\n    function isKey(value, object) {\n      if (isArray(value)) {\n        return false;\n      }\n      var type = typeof value;\n      if (type == 'number' || type == 'symbol' || type == 'boolean' ||\n          value == null || isSymbol(value)) {\n        return true;\n      }\n      return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||\n        (object != null && value in Object(object));\n    }\n\n    /**\n     * Checks if `value` is suitable for use as unique object key.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is suitable, else `false`.\n     */\n    function isKeyable(value) {\n      var type = typeof value;\n      return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')\n        ? (value !== '__proto__')\n        : (value === null);\n    }\n\n    /**\n     * Checks if `func` has a lazy counterpart.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` has a lazy counterpart,\n     *  else `false`.\n     */\n    function isLaziable(func) {\n      var funcName = getFuncName(func),\n          other = lodash[funcName];\n\n      if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {\n        return false;\n      }\n      if (func === other) {\n        return true;\n      }\n      var data = getData(other);\n      return !!data && func === data[0];\n    }\n\n    /**\n     * Checks if `func` has its source masked.\n     *\n     * @private\n     * @param {Function} func The function to check.\n     * @returns {boolean} Returns `true` if `func` is masked, else `false`.\n     */\n    function isMasked(func) {\n      return !!maskSrcKey && (maskSrcKey in func);\n    }\n\n    /**\n     * Checks if `func` is capable of being masked.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `func` is maskable, else `false`.\n     */\n    var isMaskable = coreJsData ? isFunction : stubFalse;\n\n    /**\n     * Checks if `value` is likely a prototype object.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.\n     */\n    function isPrototype(value) {\n      var Ctor = value && value.constructor,\n          proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;\n\n      return value === proto;\n    }\n\n    /**\n     * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` if suitable for strict\n     *  equality comparisons, else `false`.\n     */\n    function isStrictComparable(value) {\n      return value === value && !isObject(value);\n    }\n\n    /**\n     * A specialized version of `matchesProperty` for source values suitable\n     * for strict equality comparisons, i.e. `===`.\n     *\n     * @private\n     * @param {string} key The key of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     */\n    function matchesStrictComparable(key, srcValue) {\n      return function(object) {\n        if (object == null) {\n          return false;\n        }\n        return object[key] === srcValue &&\n          (srcValue !== undefined || (key in Object(object)));\n      };\n    }\n\n    /**\n     * A specialized version of `_.memoize` which clears the memoized function's\n     * cache when it exceeds `MAX_MEMOIZE_SIZE`.\n     *\n     * @private\n     * @param {Function} func The function to have its output memoized.\n     * @returns {Function} Returns the new memoized function.\n     */\n    function memoizeCapped(func) {\n      var result = memoize(func, function(key) {\n        if (cache.size === MAX_MEMOIZE_SIZE) {\n          cache.clear();\n        }\n        return key;\n      });\n\n      var cache = result.cache;\n      return result;\n    }\n\n    /**\n     * Merges the function metadata of `source` into `data`.\n     *\n     * Merging metadata reduces the number of wrappers used to invoke a function.\n     * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`\n     * may be applied regardless of execution order. Methods like `_.ary` and\n     * `_.rearg` modify function arguments, making the order in which they are\n     * executed important, preventing the merging of metadata. However, we make\n     * an exception for a safe combined case where curried functions have `_.ary`\n     * and or `_.rearg` applied.\n     *\n     * @private\n     * @param {Array} data The destination metadata.\n     * @param {Array} source The source metadata.\n     * @returns {Array} Returns `data`.\n     */\n    function mergeData(data, source) {\n      var bitmask = data[1],\n          srcBitmask = source[1],\n          newBitmask = bitmask | srcBitmask,\n          isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);\n\n      var isCombo =\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_CURRY_FLAG)) ||\n        ((srcBitmask == WRAP_ARY_FLAG) && (bitmask == WRAP_REARG_FLAG) && (data[7].length <= source[8])) ||\n        ((srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG)) && (source[7].length <= source[8]) && (bitmask == WRAP_CURRY_FLAG));\n\n      // Exit early if metadata can't be merged.\n      if (!(isCommon || isCombo)) {\n        return data;\n      }\n      // Use source `thisArg` if available.\n      if (srcBitmask & WRAP_BIND_FLAG) {\n        data[2] = source[2];\n        // Set when currying a bound function.\n        newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;\n      }\n      // Compose partial arguments.\n      var value = source[3];\n      if (value) {\n        var partials = data[3];\n        data[3] = partials ? composeArgs(partials, value, source[4]) : value;\n        data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];\n      }\n      // Compose partial right arguments.\n      value = source[5];\n      if (value) {\n        partials = data[5];\n        data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;\n        data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];\n      }\n      // Use source `argPos` if available.\n      value = source[7];\n      if (value) {\n        data[7] = value;\n      }\n      // Use source `ary` if it's smaller.\n      if (srcBitmask & WRAP_ARY_FLAG) {\n        data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);\n      }\n      // Use source `arity` if one is not provided.\n      if (data[9] == null) {\n        data[9] = source[9];\n      }\n      // Use source `func` and merge bitmasks.\n      data[0] = source[0];\n      data[1] = newBitmask;\n\n      return data;\n    }\n\n    /**\n     * This function is like\n     * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * except that it includes inherited enumerable properties.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     */\n    function nativeKeysIn(object) {\n      var result = [];\n      if (object != null) {\n        for (var key in Object(object)) {\n          result.push(key);\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a string using `Object.prototype.toString`.\n     *\n     * @private\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     */\n    function objectToString(value) {\n      return nativeObjectToString.call(value);\n    }\n\n    /**\n     * A specialized version of `baseRest` which transforms the rest array.\n     *\n     * @private\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @param {Function} transform The rest array transform.\n     * @returns {Function} Returns the new function.\n     */\n    function overRest(func, start, transform) {\n      start = nativeMax(start === undefined ? (func.length - 1) : start, 0);\n      return function() {\n        var args = arguments,\n            index = -1,\n            length = nativeMax(args.length - start, 0),\n            array = Array(length);\n\n        while (++index < length) {\n          array[index] = args[start + index];\n        }\n        index = -1;\n        var otherArgs = Array(start + 1);\n        while (++index < start) {\n          otherArgs[index] = args[index];\n        }\n        otherArgs[start] = transform(array);\n        return apply(func, this, otherArgs);\n      };\n    }\n\n    /**\n     * Gets the parent value at `path` of `object`.\n     *\n     * @private\n     * @param {Object} object The object to query.\n     * @param {Array} path The path to get the parent value of.\n     * @returns {*} Returns the parent value.\n     */\n    function parent(object, path) {\n      return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));\n    }\n\n    /**\n     * Reorder `array` according to the specified indexes where the element at\n     * the first index is assigned as the first element, the element at\n     * the second index is assigned as the second element, and so on.\n     *\n     * @private\n     * @param {Array} array The array to reorder.\n     * @param {Array} indexes The arranged array indexes.\n     * @returns {Array} Returns `array`.\n     */\n    function reorder(array, indexes) {\n      var arrLength = array.length,\n          length = nativeMin(indexes.length, arrLength),\n          oldArray = copyArray(array);\n\n      while (length--) {\n        var index = indexes[length];\n        array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;\n      }\n      return array;\n    }\n\n    /**\n     * Sets metadata for `func`.\n     *\n     * **Note:** If this function becomes hot, i.e. is invoked a lot in a short\n     * period of time, it will trip its breaker and transition to an identity\n     * function to avoid garbage collection pauses in V8. See\n     * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)\n     * for more details.\n     *\n     * @private\n     * @param {Function} func The function to associate metadata with.\n     * @param {*} data The metadata.\n     * @returns {Function} Returns `func`.\n     */\n    var setData = shortOut(baseSetData);\n\n    /**\n     * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).\n     *\n     * @private\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @returns {number|Object} Returns the timer id or timeout object.\n     */\n    var setTimeout = ctxSetTimeout || function(func, wait) {\n      return root.setTimeout(func, wait);\n    };\n\n    /**\n     * Sets the `toString` method of `func` to return `string`.\n     *\n     * @private\n     * @param {Function} func The function to modify.\n     * @param {Function} string The `toString` result.\n     * @returns {Function} Returns `func`.\n     */\n    var setToString = shortOut(baseSetToString);\n\n    /**\n     * Sets the `toString` method of `wrapper` to mimic the source of `reference`\n     * with wrapper details in a comment at the top of the source body.\n     *\n     * @private\n     * @param {Function} wrapper The function to modify.\n     * @param {Function} reference The reference function.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Function} Returns `wrapper`.\n     */\n    function setWrapToString(wrapper, reference, bitmask) {\n      var source = (reference + '');\n      return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));\n    }\n\n    /**\n     * Creates a function that'll short out and invoke `identity` instead\n     * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`\n     * milliseconds.\n     *\n     * @private\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new shortable function.\n     */\n    function shortOut(func) {\n      var count = 0,\n          lastCalled = 0;\n\n      return function() {\n        var stamp = nativeNow(),\n            remaining = HOT_SPAN - (stamp - lastCalled);\n\n        lastCalled = stamp;\n        if (remaining > 0) {\n          if (++count >= HOT_COUNT) {\n            return arguments[0];\n          }\n        } else {\n          count = 0;\n        }\n        return func.apply(undefined, arguments);\n      };\n    }\n\n    /**\n     * A specialized version of `_.shuffle` which mutates and sets the size of `array`.\n     *\n     * @private\n     * @param {Array} array The array to shuffle.\n     * @param {number} [size=array.length] The size of `array`.\n     * @returns {Array} Returns `array`.\n     */\n    function shuffleSelf(array, size) {\n      var index = -1,\n          length = array.length,\n          lastIndex = length - 1;\n\n      size = size === undefined ? length : size;\n      while (++index < size) {\n        var rand = baseRandom(index, lastIndex),\n            value = array[rand];\n\n        array[rand] = array[index];\n        array[index] = value;\n      }\n      array.length = size;\n      return array;\n    }\n\n    /**\n     * Converts `string` to a property path array.\n     *\n     * @private\n     * @param {string} string The string to convert.\n     * @returns {Array} Returns the property path array.\n     */\n    var stringToPath = memoizeCapped(function(string) {\n      var result = [];\n      if (reLeadingDot.test(string)) {\n        result.push('');\n      }\n      string.replace(rePropName, function(match, number, quote, string) {\n        result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));\n      });\n      return result;\n    });\n\n    /**\n     * Converts `value` to a string key if it's not a string or symbol.\n     *\n     * @private\n     * @param {*} value The value to inspect.\n     * @returns {string|symbol} Returns the key.\n     */\n    function toKey(value) {\n      if (typeof value == 'string' || isSymbol(value)) {\n        return value;\n      }\n      var result = (value + '');\n      return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n    }\n\n    /**\n     * Converts `func` to its source code.\n     *\n     * @private\n     * @param {Function} func The function to convert.\n     * @returns {string} Returns the source code.\n     */\n    function toSource(func) {\n      if (func != null) {\n        try {\n          return funcToString.call(func);\n        } catch (e) {}\n        try {\n          return (func + '');\n        } catch (e) {}\n      }\n      return '';\n    }\n\n    /**\n     * Updates wrapper `details` based on `bitmask` flags.\n     *\n     * @private\n     * @returns {Array} details The details to modify.\n     * @param {number} bitmask The bitmask flags. See `createWrap` for more details.\n     * @returns {Array} Returns `details`.\n     */\n    function updateWrapDetails(details, bitmask) {\n      arrayEach(wrapFlags, function(pair) {\n        var value = '_.' + pair[0];\n        if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {\n          details.push(value);\n        }\n      });\n      return details.sort();\n    }\n\n    /**\n     * Creates a clone of `wrapper`.\n     *\n     * @private\n     * @param {Object} wrapper The wrapper to clone.\n     * @returns {Object} Returns the cloned wrapper.\n     */\n    function wrapperClone(wrapper) {\n      if (wrapper instanceof LazyWrapper) {\n        return wrapper.clone();\n      }\n      var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);\n      result.__actions__ = copyArray(wrapper.__actions__);\n      result.__index__  = wrapper.__index__;\n      result.__values__ = wrapper.__values__;\n      return result;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an array of elements split into groups the length of `size`.\n     * If `array` can't be split evenly, the final chunk will be the remaining\n     * elements.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to process.\n     * @param {number} [size=1] The length of each chunk\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the new array of chunks.\n     * @example\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 2);\n     * // => [['a', 'b'], ['c', 'd']]\n     *\n     * _.chunk(['a', 'b', 'c', 'd'], 3);\n     * // => [['a', 'b', 'c'], ['d']]\n     */\n    function chunk(array, size, guard) {\n      if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {\n        size = 1;\n      } else {\n        size = nativeMax(toInteger(size), 0);\n      }\n      var length = array == null ? 0 : array.length;\n      if (!length || size < 1) {\n        return [];\n      }\n      var index = 0,\n          resIndex = 0,\n          result = Array(nativeCeil(length / size));\n\n      while (index < length) {\n        result[resIndex++] = baseSlice(array, index, (index += size));\n      }\n      return result;\n    }\n\n    /**\n     * Creates an array with all falsey values removed. The values `false`, `null`,\n     * `0`, `\"\"`, `undefined`, and `NaN` are falsey.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to compact.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.compact([0, 1, false, 2, '', 3]);\n     * // => [1, 2, 3]\n     */\n    function compact(array) {\n      var index = -1,\n          length = array == null ? 0 : array.length,\n          resIndex = 0,\n          result = [];\n\n      while (++index < length) {\n        var value = array[index];\n        if (value) {\n          result[resIndex++] = value;\n        }\n      }\n      return result;\n    }\n\n    /**\n     * Creates a new array concatenating `array` with any additional arrays\n     * and/or values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to concatenate.\n     * @param {...*} [values] The values to concatenate.\n     * @returns {Array} Returns the new concatenated array.\n     * @example\n     *\n     * var array = [1];\n     * var other = _.concat(array, 2, [3], [[4]]);\n     *\n     * console.log(other);\n     * // => [1, 2, 3, [4]]\n     *\n     * console.log(array);\n     * // => [1]\n     */\n    function concat() {\n      var length = arguments.length;\n      if (!length) {\n        return [];\n      }\n      var args = Array(length - 1),\n          array = arguments[0],\n          index = length;\n\n      while (index--) {\n        args[index - 1] = arguments[index];\n      }\n      return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));\n    }\n\n    /**\n     * Creates an array of `array` values not included in the other given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * **Note:** Unlike `_.pullAll`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.without, _.xor\n     * @example\n     *\n     * _.difference([2, 1], [2, 3]);\n     * // => [1]\n     */\n    var difference = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `iteratee` which\n     * is invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * **Note:** Unlike `_.pullAllBy`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var differenceBy = baseRest(function(array, values) {\n      var iteratee = last(values);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.difference` except that it accepts `comparator`\n     * which is invoked to compare elements of `array` to `values`. The order and\n     * references of result values are determined by the first array. The comparator\n     * is invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.pullAllWith`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...Array} [values] The values to exclude.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     *\n     * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }]\n     */\n    var differenceWith = baseRest(function(array, values) {\n      var comparator = last(values);\n      if (isArrayLikeObject(comparator)) {\n        comparator = undefined;\n      }\n      return isArrayLikeObject(array)\n        ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.drop([1, 2, 3]);\n     * // => [2, 3]\n     *\n     * _.drop([1, 2, 3], 2);\n     * // => [3]\n     *\n     * _.drop([1, 2, 3], 5);\n     * // => []\n     *\n     * _.drop([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function drop(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements dropped from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to drop.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.dropRight([1, 2, 3]);\n     * // => [1, 2]\n     *\n     * _.dropRight([1, 2, 3], 2);\n     * // => [1]\n     *\n     * _.dropRight([1, 2, 3], 5);\n     * // => []\n     *\n     * _.dropRight([1, 2, 3], 0);\n     * // => [1, 2, 3]\n     */\n    function dropRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the end.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.dropRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropRightWhile(users, ['active', false]);\n     * // => objects for ['barney']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropRightWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` excluding elements dropped from the beginning.\n     * Elements are dropped until `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.dropWhile(users, function(o) { return !o.active; });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.dropWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.dropWhile(users, ['active', false]);\n     * // => objects for ['pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.dropWhile(users, 'active');\n     * // => objects for ['barney', 'fred', 'pebbles']\n     */\n    function dropWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), true)\n        : [];\n    }\n\n    /**\n     * Fills elements of `array` with `value` from `start` up to, but not\n     * including, `end`.\n     *\n     * **Note:** This method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Array\n     * @param {Array} array The array to fill.\n     * @param {*} value The value to fill `array` with.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.fill(array, 'a');\n     * console.log(array);\n     * // => ['a', 'a', 'a']\n     *\n     * _.fill(Array(3), 2);\n     * // => [2, 2, 2]\n     *\n     * _.fill([4, 6, 8, 10], '*', 1, 3);\n     * // => [4, '*', '*', 10]\n     */\n    function fill(array, value, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {\n        start = 0;\n        end = length;\n      }\n      return baseFill(array, value, start, end);\n    }\n\n    /**\n     * This method is like `_.find` except that it returns the index of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.findIndex(users, function(o) { return o.user == 'barney'; });\n     * // => 0\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findIndex(users, { 'user': 'fred', 'active': false });\n     * // => 1\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findIndex(users, ['active', false]);\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findIndex(users, 'active');\n     * // => 2\n     */\n    function findIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index);\n    }\n\n    /**\n     * This method is like `_.findIndex` except that it iterates over elements\n     * of `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the found element, else `-1`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });\n     * // => 2\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastIndex(users, { 'user': 'barney', 'active': true });\n     * // => 0\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastIndex(users, ['active', false]);\n     * // => 2\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastIndex(users, 'active');\n     * // => 0\n     */\n    function findLastIndex(array, predicate, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length - 1;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = fromIndex < 0\n          ? nativeMax(length + index, 0)\n          : nativeMin(index, length - 1);\n      }\n      return baseFindIndex(array, getIteratee(predicate, 3), index, true);\n    }\n\n    /**\n     * Flattens `array` a single level deep.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flatten([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, [3, [4]], 5]\n     */\n    function flatten(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, 1) : [];\n    }\n\n    /**\n     * Recursively flattens `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * _.flattenDeep([1, [2, [3, [4]], 5]]);\n     * // => [1, 2, 3, 4, 5]\n     */\n    function flattenDeep(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseFlatten(array, INFINITY) : [];\n    }\n\n    /**\n     * Recursively flatten `array` up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Array\n     * @param {Array} array The array to flatten.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * var array = [1, [2, [3, [4]], 5]];\n     *\n     * _.flattenDepth(array, 1);\n     * // => [1, 2, [3, [4]], 5]\n     *\n     * _.flattenDepth(array, 2);\n     * // => [1, 2, 3, [4], 5]\n     */\n    function flattenDepth(array, depth) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(array, depth);\n    }\n\n    /**\n     * The inverse of `_.toPairs`; this method returns an object composed\n     * from key-value `pairs`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} pairs The key-value pairs.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.fromPairs([['a', 1], ['b', 2]]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function fromPairs(pairs) {\n      var index = -1,\n          length = pairs == null ? 0 : pairs.length,\n          result = {};\n\n      while (++index < length) {\n        var pair = pairs[index];\n        result[pair[0]] = pair[1];\n      }\n      return result;\n    }\n\n    /**\n     * Gets the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias first\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the first element of `array`.\n     * @example\n     *\n     * _.head([1, 2, 3]);\n     * // => 1\n     *\n     * _.head([]);\n     * // => undefined\n     */\n    function head(array) {\n      return (array && array.length) ? array[0] : undefined;\n    }\n\n    /**\n     * Gets the index at which the first occurrence of `value` is found in `array`\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. If `fromIndex` is negative, it's used as the\n     * offset from the end of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.indexOf([1, 2, 1, 2], 2);\n     * // => 1\n     *\n     * // Search from the `fromIndex`.\n     * _.indexOf([1, 2, 1, 2], 2, 2);\n     * // => 3\n     */\n    function indexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = fromIndex == null ? 0 : toInteger(fromIndex);\n      if (index < 0) {\n        index = nativeMax(length + index, 0);\n      }\n      return baseIndexOf(array, value, index);\n    }\n\n    /**\n     * Gets all but the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.initial([1, 2, 3]);\n     * // => [1, 2]\n     */\n    function initial(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 0, -1) : [];\n    }\n\n    /**\n     * Creates an array of unique values that are included in all given arrays\n     * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons. The order and references of result values are\n     * determined by the first array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersection([2, 1], [2, 3]);\n     * // => [2]\n     */\n    var intersection = baseRest(function(arrays) {\n      var mapped = arrayMap(arrays, castArrayLikeObject);\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped)\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `iteratee`\n     * which is invoked for each element of each `arrays` to generate the criterion\n     * by which they're compared. The order and references of result values are\n     * determined by the first array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [2.1]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }]\n     */\n    var intersectionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      if (iteratee === last(mapped)) {\n        iteratee = undefined;\n      } else {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, getIteratee(iteratee, 2))\n        : [];\n    });\n\n    /**\n     * This method is like `_.intersection` except that it accepts `comparator`\n     * which is invoked to compare elements of `arrays`. The order and references\n     * of result values are determined by the first array. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of intersecting values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.intersectionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }]\n     */\n    var intersectionWith = baseRest(function(arrays) {\n      var comparator = last(arrays),\n          mapped = arrayMap(arrays, castArrayLikeObject);\n\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      if (comparator) {\n        mapped.pop();\n      }\n      return (mapped.length && mapped[0] === arrays[0])\n        ? baseIntersection(mapped, undefined, comparator)\n        : [];\n    });\n\n    /**\n     * Converts all elements in `array` into a string separated by `separator`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to convert.\n     * @param {string} [separator=','] The element separator.\n     * @returns {string} Returns the joined string.\n     * @example\n     *\n     * _.join(['a', 'b', 'c'], '~');\n     * // => 'a~b~c'\n     */\n    function join(array, separator) {\n      return array == null ? '' : nativeJoin.call(array, separator);\n    }\n\n    /**\n     * Gets the last element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {*} Returns the last element of `array`.\n     * @example\n     *\n     * _.last([1, 2, 3]);\n     * // => 3\n     */\n    function last(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? array[length - 1] : undefined;\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it iterates over elements of\n     * `array` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=array.length-1] The index to search from.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.lastIndexOf([1, 2, 1, 2], 2);\n     * // => 3\n     *\n     * // Search from the `fromIndex`.\n     * _.lastIndexOf([1, 2, 1, 2], 2, 2);\n     * // => 1\n     */\n    function lastIndexOf(array, value, fromIndex) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return -1;\n      }\n      var index = length;\n      if (fromIndex !== undefined) {\n        index = toInteger(fromIndex);\n        index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);\n      }\n      return value === value\n        ? strictLastIndexOf(array, value, index)\n        : baseFindIndex(array, baseIsNaN, index, true);\n    }\n\n    /**\n     * Gets the element at index `n` of `array`. If `n` is negative, the nth\n     * element from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.11.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=0] The index of the element to return.\n     * @returns {*} Returns the nth element of `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     *\n     * _.nth(array, 1);\n     * // => 'b'\n     *\n     * _.nth(array, -2);\n     * // => 'c';\n     */\n    function nth(array, n) {\n      return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;\n    }\n\n    /**\n     * Removes all given values from `array` using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`\n     * to remove elements from an array by predicate.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...*} [values] The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pull(array, 'a', 'c');\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    var pull = baseRest(pullAll);\n\n    /**\n     * This method is like `_.pull` except that it accepts an array of values to remove.\n     *\n     * **Note:** Unlike `_.difference`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'a', 'b', 'c'];\n     *\n     * _.pullAll(array, ['a', 'c']);\n     * console.log(array);\n     * // => ['b', 'b']\n     */\n    function pullAll(array, values) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values)\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `iteratee` which is\n     * invoked for each element of `array` and `values` to generate the criterion\n     * by which they're compared. The iteratee is invoked with one argument: (value).\n     *\n     * **Note:** Unlike `_.differenceBy`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];\n     *\n     * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');\n     * console.log(array);\n     * // => [{ 'x': 2 }]\n     */\n    function pullAllBy(array, values, iteratee) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, getIteratee(iteratee, 2))\n        : array;\n    }\n\n    /**\n     * This method is like `_.pullAll` except that it accepts `comparator` which\n     * is invoked to compare elements of `array` to `values`. The comparator is\n     * invoked with two arguments: (arrVal, othVal).\n     *\n     * **Note:** Unlike `_.differenceWith`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Array} values The values to remove.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];\n     *\n     * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);\n     * console.log(array);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]\n     */\n    function pullAllWith(array, values, comparator) {\n      return (array && array.length && values && values.length)\n        ? basePullAll(array, values, undefined, comparator)\n        : array;\n    }\n\n    /**\n     * Removes elements from `array` corresponding to `indexes` and returns an\n     * array of removed elements.\n     *\n     * **Note:** Unlike `_.at`, this method mutates `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {...(number|number[])} [indexes] The indexes of elements to remove.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = ['a', 'b', 'c', 'd'];\n     * var pulled = _.pullAt(array, [1, 3]);\n     *\n     * console.log(array);\n     * // => ['a', 'c']\n     *\n     * console.log(pulled);\n     * // => ['b', 'd']\n     */\n    var pullAt = flatRest(function(array, indexes) {\n      var length = array == null ? 0 : array.length,\n          result = baseAt(array, indexes);\n\n      basePullAt(array, arrayMap(indexes, function(index) {\n        return isIndex(index, length) ? +index : index;\n      }).sort(compareAscending));\n\n      return result;\n    });\n\n    /**\n     * Removes all elements from `array` that `predicate` returns truthy for\n     * and returns an array of the removed elements. The predicate is invoked\n     * with three arguments: (value, index, array).\n     *\n     * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`\n     * to pull elements from an array by value.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new array of removed elements.\n     * @example\n     *\n     * var array = [1, 2, 3, 4];\n     * var evens = _.remove(array, function(n) {\n     *   return n % 2 == 0;\n     * });\n     *\n     * console.log(array);\n     * // => [1, 3]\n     *\n     * console.log(evens);\n     * // => [2, 4]\n     */\n    function remove(array, predicate) {\n      var result = [];\n      if (!(array && array.length)) {\n        return result;\n      }\n      var index = -1,\n          indexes = [],\n          length = array.length;\n\n      predicate = getIteratee(predicate, 3);\n      while (++index < length) {\n        var value = array[index];\n        if (predicate(value, index, array)) {\n          result.push(value);\n          indexes.push(index);\n        }\n      }\n      basePullAt(array, indexes);\n      return result;\n    }\n\n    /**\n     * Reverses `array` so that the first element becomes the last, the second\n     * element becomes the second to last, and so on.\n     *\n     * **Note:** This method mutates `array` and is based on\n     * [`Array#reverse`](https://mdn.io/Array/reverse).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to modify.\n     * @returns {Array} Returns `array`.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _.reverse(array);\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function reverse(array) {\n      return array == null ? array : nativeReverse.call(array);\n    }\n\n    /**\n     * Creates a slice of `array` from `start` up to, but not including, `end`.\n     *\n     * **Note:** This method is used instead of\n     * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are\n     * returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to slice.\n     * @param {number} [start=0] The start position.\n     * @param {number} [end=array.length] The end position.\n     * @returns {Array} Returns the slice of `array`.\n     */\n    function slice(array, start, end) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {\n        start = 0;\n        end = length;\n      }\n      else {\n        start = start == null ? 0 : toInteger(start);\n        end = end === undefined ? length : toInteger(end);\n      }\n      return baseSlice(array, start, end);\n    }\n\n    /**\n     * Uses a binary search to determine the lowest index at which `value`\n     * should be inserted into `array` in order to maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedIndex([30, 50], 40);\n     * // => 1\n     */\n    function sortedIndex(array, value) {\n      return baseSortedIndex(array, value);\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 0\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 0\n     */\n    function sortedIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * This method is like `_.indexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 1\n     */\n    function sortedIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value);\n        if (index < length && eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.sortedIndex` except that it returns the highest\n     * index at which `value` should be inserted into `array` in order to\n     * maintain its sort order.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * _.sortedLastIndex([4, 5, 5, 5, 6], 5);\n     * // => 4\n     */\n    function sortedLastIndex(array, value) {\n      return baseSortedIndex(array, value, true);\n    }\n\n    /**\n     * This method is like `_.sortedLastIndex` except that it accepts `iteratee`\n     * which is invoked for `value` and each element of `array` to compute their\n     * sort ranking. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The sorted array to inspect.\n     * @param {*} value The value to evaluate.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the index at which `value` should be inserted\n     *  into `array`.\n     * @example\n     *\n     * var objects = [{ 'x': 4 }, { 'x': 5 }];\n     *\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });\n     * // => 1\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');\n     * // => 1\n     */\n    function sortedLastIndexBy(array, value, iteratee) {\n      return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);\n    }\n\n    /**\n     * This method is like `_.lastIndexOf` except that it performs a binary\n     * search on a sorted `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {*} value The value to search for.\n     * @returns {number} Returns the index of the matched value, else `-1`.\n     * @example\n     *\n     * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);\n     * // => 3\n     */\n    function sortedLastIndexOf(array, value) {\n      var length = array == null ? 0 : array.length;\n      if (length) {\n        var index = baseSortedIndex(array, value, true) - 1;\n        if (eq(array[index], value)) {\n          return index;\n        }\n      }\n      return -1;\n    }\n\n    /**\n     * This method is like `_.uniq` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniq([1, 1, 2]);\n     * // => [1, 2]\n     */\n    function sortedUniq(array) {\n      return (array && array.length)\n        ? baseSortedUniq(array)\n        : [];\n    }\n\n    /**\n     * This method is like `_.uniqBy` except that it's designed and optimized\n     * for sorted arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);\n     * // => [1.1, 2.3]\n     */\n    function sortedUniqBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSortedUniq(array, getIteratee(iteratee, 2))\n        : [];\n    }\n\n    /**\n     * Gets all but the first element of `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.tail([1, 2, 3]);\n     * // => [2, 3]\n     */\n    function tail(array) {\n      var length = array == null ? 0 : array.length;\n      return length ? baseSlice(array, 1, length) : [];\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the beginning.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.take([1, 2, 3]);\n     * // => [1]\n     *\n     * _.take([1, 2, 3], 2);\n     * // => [1, 2]\n     *\n     * _.take([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.take([1, 2, 3], 0);\n     * // => []\n     */\n    function take(array, n, guard) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      return baseSlice(array, 0, n < 0 ? 0 : n);\n    }\n\n    /**\n     * Creates a slice of `array` with `n` elements taken from the end.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {number} [n=1] The number of elements to take.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * _.takeRight([1, 2, 3]);\n     * // => [3]\n     *\n     * _.takeRight([1, 2, 3], 2);\n     * // => [2, 3]\n     *\n     * _.takeRight([1, 2, 3], 5);\n     * // => [1, 2, 3]\n     *\n     * _.takeRight([1, 2, 3], 0);\n     * // => []\n     */\n    function takeRight(array, n, guard) {\n      var length = array == null ? 0 : array.length;\n      if (!length) {\n        return [];\n      }\n      n = (guard || n === undefined) ? 1 : toInteger(n);\n      n = length - n;\n      return baseSlice(array, n < 0 ? 0 : n, length);\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the end. Elements are\n     * taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': true },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': false }\n     * ];\n     *\n     * _.takeRightWhile(users, function(o) { return !o.active; });\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });\n     * // => objects for ['pebbles']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeRightWhile(users, ['active', false]);\n     * // => objects for ['fred', 'pebbles']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeRightWhile(users, 'active');\n     * // => []\n     */\n    function takeRightWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3), false, true)\n        : [];\n    }\n\n    /**\n     * Creates a slice of `array` with elements taken from the beginning. Elements\n     * are taken until `predicate` returns falsey. The predicate is invoked with\n     * three arguments: (value, index, array).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Array\n     * @param {Array} array The array to query.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the slice of `array`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'active': false },\n     *   { 'user': 'fred',    'active': false },\n     *   { 'user': 'pebbles', 'active': true }\n     * ];\n     *\n     * _.takeWhile(users, function(o) { return !o.active; });\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.takeWhile(users, { 'user': 'barney', 'active': false });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.takeWhile(users, ['active', false]);\n     * // => objects for ['barney', 'fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.takeWhile(users, 'active');\n     * // => []\n     */\n    function takeWhile(array, predicate) {\n      return (array && array.length)\n        ? baseWhile(array, getIteratee(predicate, 3))\n        : [];\n    }\n\n    /**\n     * Creates an array of unique values, in order, from all given arrays using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.union([2], [1, 2]);\n     * // => [2, 1]\n     */\n    var union = baseRest(function(arrays) {\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which uniqueness is computed. Result values are chosen from the first\n     * array in which the value occurs. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * _.unionBy([2.1], [1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    var unionBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.union` except that it accepts `comparator` which\n     * is invoked to compare elements of `arrays`. Result values are chosen from\n     * the first array in which the value occurs. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of combined values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.unionWith(objects, others, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var unionWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);\n    });\n\n    /**\n     * Creates a duplicate-free version of an array, using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons, in which only the first occurrence of each element\n     * is kept. The order of result values is determined by the order they occur\n     * in the array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniq([2, 1, 2]);\n     * // => [2, 1]\n     */\n    function uniq(array) {\n      return (array && array.length) ? baseUniq(array) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * uniqueness is computed. The order of result values is determined by the\n     * order they occur in the array. The iteratee is invoked with one argument:\n     * (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * _.uniqBy([2.1, 1.2, 2.3], Math.floor);\n     * // => [2.1, 1.2]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 1 }, { 'x': 2 }]\n     */\n    function uniqBy(array, iteratee) {\n      return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];\n    }\n\n    /**\n     * This method is like `_.uniq` except that it accepts `comparator` which\n     * is invoked to compare elements of `array`. The order of result values is\n     * determined by the order they occur in the array.The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new duplicate free array.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.uniqWith(objects, _.isEqual);\n     * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]\n     */\n    function uniqWith(array, comparator) {\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return (array && array.length) ? baseUniq(array, undefined, comparator) : [];\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts an array of grouped\n     * elements and creates an array regrouping the elements to their pre-zip\n     * configuration.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.2.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     *\n     * _.unzip(zipped);\n     * // => [['a', 'b'], [1, 2], [true, false]]\n     */\n    function unzip(array) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var length = 0;\n      array = arrayFilter(array, function(group) {\n        if (isArrayLikeObject(group)) {\n          length = nativeMax(group.length, length);\n          return true;\n        }\n      });\n      return baseTimes(length, function(index) {\n        return arrayMap(array, baseProperty(index));\n      });\n    }\n\n    /**\n     * This method is like `_.unzip` except that it accepts `iteratee` to specify\n     * how regrouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {Array} array The array of grouped elements to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  regrouped values.\n     * @returns {Array} Returns the new array of regrouped elements.\n     * @example\n     *\n     * var zipped = _.zip([1, 2], [10, 20], [100, 200]);\n     * // => [[1, 10, 100], [2, 20, 200]]\n     *\n     * _.unzipWith(zipped, _.add);\n     * // => [3, 30, 300]\n     */\n    function unzipWith(array, iteratee) {\n      if (!(array && array.length)) {\n        return [];\n      }\n      var result = unzip(array);\n      if (iteratee == null) {\n        return result;\n      }\n      return arrayMap(result, function(group) {\n        return apply(iteratee, undefined, group);\n      });\n    }\n\n    /**\n     * Creates an array excluding all given values using\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * for equality comparisons.\n     *\n     * **Note:** Unlike `_.pull`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {Array} array The array to inspect.\n     * @param {...*} [values] The values to exclude.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.xor\n     * @example\n     *\n     * _.without([2, 1, 2, 3], 1, 2);\n     * // => [3]\n     */\n    var without = baseRest(function(array, values) {\n      return isArrayLikeObject(array)\n        ? baseDifference(array, values)\n        : [];\n    });\n\n    /**\n     * Creates an array of unique values that is the\n     * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)\n     * of the given arrays. The order of result values is determined by the order\n     * they occur in the arrays.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @returns {Array} Returns the new array of filtered values.\n     * @see _.difference, _.without\n     * @example\n     *\n     * _.xor([2, 1], [2, 3]);\n     * // => [1, 3]\n     */\n    var xor = baseRest(function(arrays) {\n      return baseXor(arrayFilter(arrays, isArrayLikeObject));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `iteratee` which is\n     * invoked for each element of each `arrays` to generate the criterion by\n     * which by which they're compared. The order of result values is determined\n     * by the order they occur in the arrays. The iteratee is invoked with one\n     * argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);\n     * // => [1.2, 3.4]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');\n     * // => [{ 'x': 2 }]\n     */\n    var xorBy = baseRest(function(arrays) {\n      var iteratee = last(arrays);\n      if (isArrayLikeObject(iteratee)) {\n        iteratee = undefined;\n      }\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));\n    });\n\n    /**\n     * This method is like `_.xor` except that it accepts `comparator` which is\n     * invoked to compare elements of `arrays`. The order of result values is\n     * determined by the order they occur in the arrays. The comparator is invoked\n     * with two arguments: (arrVal, othVal).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to inspect.\n     * @param {Function} [comparator] The comparator invoked per element.\n     * @returns {Array} Returns the new array of filtered values.\n     * @example\n     *\n     * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];\n     * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];\n     *\n     * _.xorWith(objects, others, _.isEqual);\n     * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]\n     */\n    var xorWith = baseRest(function(arrays) {\n      var comparator = last(arrays);\n      comparator = typeof comparator == 'function' ? comparator : undefined;\n      return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);\n    });\n\n    /**\n     * Creates an array of grouped elements, the first of which contains the\n     * first elements of the given arrays, the second of which contains the\n     * second elements of the given arrays, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zip(['a', 'b'], [1, 2], [true, false]);\n     * // => [['a', 1, true], ['b', 2, false]]\n     */\n    var zip = baseRest(unzip);\n\n    /**\n     * This method is like `_.fromPairs` except that it accepts two arrays,\n     * one of property identifiers and one of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.4.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObject(['a', 'b'], [1, 2]);\n     * // => { 'a': 1, 'b': 2 }\n     */\n    function zipObject(props, values) {\n      return baseZipObject(props || [], values || [], assignValue);\n    }\n\n    /**\n     * This method is like `_.zipObject` except that it supports property paths.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Array\n     * @param {Array} [props=[]] The property identifiers.\n     * @param {Array} [values=[]] The property values.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);\n     * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }\n     */\n    function zipObjectDeep(props, values) {\n      return baseZipObject(props || [], values || [], baseSet);\n    }\n\n    /**\n     * This method is like `_.zip` except that it accepts `iteratee` to specify\n     * how grouped values should be combined. The iteratee is invoked with the\n     * elements of each group: (...group).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Array\n     * @param {...Array} [arrays] The arrays to process.\n     * @param {Function} [iteratee=_.identity] The function to combine\n     *  grouped values.\n     * @returns {Array} Returns the new array of grouped elements.\n     * @example\n     *\n     * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {\n     *   return a + b + c;\n     * });\n     * // => [111, 222]\n     */\n    var zipWith = baseRest(function(arrays) {\n      var length = arrays.length,\n          iteratee = length > 1 ? arrays[length - 1] : undefined;\n\n      iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;\n      return unzipWith(arrays, iteratee);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates a `lodash` wrapper instance that wraps `value` with explicit method\n     * chain sequences enabled. The result of such sequences must be unwrapped\n     * with `_#value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Seq\n     * @param {*} value The value to wrap.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36 },\n     *   { 'user': 'fred',    'age': 40 },\n     *   { 'user': 'pebbles', 'age': 1 }\n     * ];\n     *\n     * var youngest = _\n     *   .chain(users)\n     *   .sortBy('age')\n     *   .map(function(o) {\n     *     return o.user + ' is ' + o.age;\n     *   })\n     *   .head()\n     *   .value();\n     * // => 'pebbles is 1'\n     */\n    function chain(value) {\n      var result = lodash(value);\n      result.__chain__ = true;\n      return result;\n    }\n\n    /**\n     * This method invokes `interceptor` and returns `value`. The interceptor\n     * is invoked with one argument; (value). The purpose of this method is to\n     * \"tap into\" a method chain sequence in order to modify intermediate results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * _([1, 2, 3])\n     *  .tap(function(array) {\n     *    // Mutate input array.\n     *    array.pop();\n     *  })\n     *  .reverse()\n     *  .value();\n     * // => [2, 1]\n     */\n    function tap(value, interceptor) {\n      interceptor(value);\n      return value;\n    }\n\n    /**\n     * This method is like `_.tap` except that it returns the result of `interceptor`.\n     * The purpose of this method is to \"pass thru\" values replacing intermediate\n     * results in a method chain sequence.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Seq\n     * @param {*} value The value to provide to `interceptor`.\n     * @param {Function} interceptor The function to invoke.\n     * @returns {*} Returns the result of `interceptor`.\n     * @example\n     *\n     * _('  abc  ')\n     *  .chain()\n     *  .trim()\n     *  .thru(function(value) {\n     *    return [value];\n     *  })\n     *  .value();\n     * // => ['abc']\n     */\n    function thru(value, interceptor) {\n      return interceptor(value);\n    }\n\n    /**\n     * This method is the wrapper version of `_.at`.\n     *\n     * @name at\n     * @memberOf _\n     * @since 1.0.0\n     * @category Seq\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _(object).at(['a[0].b.c', 'a[1]']).value();\n     * // => [3, 4]\n     */\n    var wrapperAt = flatRest(function(paths) {\n      var length = paths.length,\n          start = length ? paths[0] : 0,\n          value = this.__wrapped__,\n          interceptor = function(object) { return baseAt(object, paths); };\n\n      if (length > 1 || this.__actions__.length ||\n          !(value instanceof LazyWrapper) || !isIndex(start)) {\n        return this.thru(interceptor);\n      }\n      value = value.slice(start, +start + (length ? 1 : 0));\n      value.__actions__.push({\n        'func': thru,\n        'args': [interceptor],\n        'thisArg': undefined\n      });\n      return new LodashWrapper(value, this.__chain__).thru(function(array) {\n        if (length && !array.length) {\n          array.push(undefined);\n        }\n        return array;\n      });\n    });\n\n    /**\n     * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.\n     *\n     * @name chain\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 }\n     * ];\n     *\n     * // A sequence without explicit chaining.\n     * _(users).head();\n     * // => { 'user': 'barney', 'age': 36 }\n     *\n     * // A sequence with explicit chaining.\n     * _(users)\n     *   .chain()\n     *   .head()\n     *   .pick('user')\n     *   .value();\n     * // => { 'user': 'barney' }\n     */\n    function wrapperChain() {\n      return chain(this);\n    }\n\n    /**\n     * Executes the chain sequence and returns the wrapped result.\n     *\n     * @name commit\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2];\n     * var wrapped = _(array).push(3);\n     *\n     * console.log(array);\n     * // => [1, 2]\n     *\n     * wrapped = wrapped.commit();\n     * console.log(array);\n     * // => [1, 2, 3]\n     *\n     * wrapped.last();\n     * // => 3\n     *\n     * console.log(array);\n     * // => [1, 2, 3]\n     */\n    function wrapperCommit() {\n      return new LodashWrapper(this.value(), this.__chain__);\n    }\n\n    /**\n     * Gets the next value on a wrapped object following the\n     * [iterator protocol](https://mdn.io/iteration_protocols#iterator).\n     *\n     * @name next\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the next iterator value.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 1 }\n     *\n     * wrapped.next();\n     * // => { 'done': false, 'value': 2 }\n     *\n     * wrapped.next();\n     * // => { 'done': true, 'value': undefined }\n     */\n    function wrapperNext() {\n      if (this.__values__ === undefined) {\n        this.__values__ = toArray(this.value());\n      }\n      var done = this.__index__ >= this.__values__.length,\n          value = done ? undefined : this.__values__[this.__index__++];\n\n      return { 'done': done, 'value': value };\n    }\n\n    /**\n     * Enables the wrapper to be iterable.\n     *\n     * @name Symbol.iterator\n     * @memberOf _\n     * @since 4.0.0\n     * @category Seq\n     * @returns {Object} Returns the wrapper object.\n     * @example\n     *\n     * var wrapped = _([1, 2]);\n     *\n     * wrapped[Symbol.iterator]() === wrapped;\n     * // => true\n     *\n     * Array.from(wrapped);\n     * // => [1, 2]\n     */\n    function wrapperToIterator() {\n      return this;\n    }\n\n    /**\n     * Creates a clone of the chain sequence planting `value` as the wrapped value.\n     *\n     * @name plant\n     * @memberOf _\n     * @since 3.2.0\n     * @category Seq\n     * @param {*} value The value to plant.\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var wrapped = _([1, 2]).map(square);\n     * var other = wrapped.plant([3, 4]);\n     *\n     * other.value();\n     * // => [9, 16]\n     *\n     * wrapped.value();\n     * // => [1, 4]\n     */\n    function wrapperPlant(value) {\n      var result,\n          parent = this;\n\n      while (parent instanceof baseLodash) {\n        var clone = wrapperClone(parent);\n        clone.__index__ = 0;\n        clone.__values__ = undefined;\n        if (result) {\n          previous.__wrapped__ = clone;\n        } else {\n          result = clone;\n        }\n        var previous = clone;\n        parent = parent.__wrapped__;\n      }\n      previous.__wrapped__ = value;\n      return result;\n    }\n\n    /**\n     * This method is the wrapper version of `_.reverse`.\n     *\n     * **Note:** This method mutates the wrapped array.\n     *\n     * @name reverse\n     * @memberOf _\n     * @since 0.1.0\n     * @category Seq\n     * @returns {Object} Returns the new `lodash` wrapper instance.\n     * @example\n     *\n     * var array = [1, 2, 3];\n     *\n     * _(array).reverse().value()\n     * // => [3, 2, 1]\n     *\n     * console.log(array);\n     * // => [3, 2, 1]\n     */\n    function wrapperReverse() {\n      var value = this.__wrapped__;\n      if (value instanceof LazyWrapper) {\n        var wrapped = value;\n        if (this.__actions__.length) {\n          wrapped = new LazyWrapper(this);\n        }\n        wrapped = wrapped.reverse();\n        wrapped.__actions__.push({\n          'func': thru,\n          'args': [reverse],\n          'thisArg': undefined\n        });\n        return new LodashWrapper(wrapped, this.__chain__);\n      }\n      return this.thru(reverse);\n    }\n\n    /**\n     * Executes the chain sequence to resolve the unwrapped value.\n     *\n     * @name value\n     * @memberOf _\n     * @since 0.1.0\n     * @alias toJSON, valueOf\n     * @category Seq\n     * @returns {*} Returns the resolved unwrapped value.\n     * @example\n     *\n     * _([1, 2, 3]).value();\n     * // => [1, 2, 3]\n     */\n    function wrapperValue() {\n      return baseWrapperValue(this.__wrapped__, this.__actions__);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the number of times the key was returned by `iteratee`. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.countBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': 1, '6': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.countBy(['one', 'two', 'three'], 'length');\n     * // => { '3': 2, '5': 1 }\n     */\n    var countBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        ++result[key];\n      } else {\n        baseAssignValue(result, key, 1);\n      }\n    });\n\n    /**\n     * Checks if `predicate` returns truthy for **all** elements of `collection`.\n     * Iteration is stopped once `predicate` returns falsey. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * **Note:** This method returns `true` for\n     * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because\n     * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of\n     * elements of empty collections.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if all elements pass the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.every([true, 1, null, 'yes'], Boolean);\n     * // => false\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.every(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.every(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.every(users, 'active');\n     * // => false\n     */\n    function every(collection, predicate, guard) {\n      var func = isArray(collection) ? arrayEvery : baseEvery;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning an array of all elements\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * **Note:** Unlike `_.remove`, this method returns a new array.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.reject\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * _.filter(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, { 'age': 36, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.filter(users, 'active');\n     * // => objects for ['barney']\n     */\n    function filter(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Iterates over elements of `collection`, returning the first element\n     * `predicate` returns truthy for. The predicate is invoked with three\n     * arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': true },\n     *   { 'user': 'fred',    'age': 40, 'active': false },\n     *   { 'user': 'pebbles', 'age': 1,  'active': true }\n     * ];\n     *\n     * _.find(users, function(o) { return o.age < 40; });\n     * // => object for 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.find(users, { 'age': 1, 'active': true });\n     * // => object for 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.find(users, ['active', false]);\n     * // => object for 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.find(users, 'active');\n     * // => object for 'barney'\n     */\n    var find = createFind(findIndex);\n\n    /**\n     * This method is like `_.find` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param {number} [fromIndex=collection.length-1] The index to search from.\n     * @returns {*} Returns the matched element, else `undefined`.\n     * @example\n     *\n     * _.findLast([1, 2, 3, 4], function(n) {\n     *   return n % 2 == 1;\n     * });\n     * // => 3\n     */\n    var findLast = createFind(findLastIndex);\n\n    /**\n     * Creates a flattened array of values by running each element in `collection`\n     * thru `iteratee` and flattening the mapped results. The iteratee is invoked\n     * with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [n, n];\n     * }\n     *\n     * _.flatMap([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMap(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), 1);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDeep([1, 2], duplicate);\n     * // => [1, 1, 2, 2]\n     */\n    function flatMapDeep(collection, iteratee) {\n      return baseFlatten(map(collection, iteratee), INFINITY);\n    }\n\n    /**\n     * This method is like `_.flatMap` except that it recursively flattens the\n     * mapped results up to `depth` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {number} [depth=1] The maximum recursion depth.\n     * @returns {Array} Returns the new flattened array.\n     * @example\n     *\n     * function duplicate(n) {\n     *   return [[[n, n]]];\n     * }\n     *\n     * _.flatMapDepth([1, 2], duplicate, 2);\n     * // => [[1, 1], [2, 2]]\n     */\n    function flatMapDepth(collection, iteratee, depth) {\n      depth = depth === undefined ? 1 : toInteger(depth);\n      return baseFlatten(map(collection, iteratee), depth);\n    }\n\n    /**\n     * Iterates over elements of `collection` and invokes `iteratee` for each element.\n     * The iteratee is invoked with three arguments: (value, index|key, collection).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * **Note:** As with other \"Collections\" methods, objects with a \"length\"\n     * property are iterated like arrays. To avoid this behavior use `_.forIn`\n     * or `_.forOwn` for object iteration.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @alias each\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEachRight\n     * @example\n     *\n     * _.forEach([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `1` then `2`.\n     *\n     * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forEach(collection, iteratee) {\n      var func = isArray(collection) ? arrayEach : baseEach;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forEach` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @alias eachRight\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array|Object} Returns `collection`.\n     * @see _.forEach\n     * @example\n     *\n     * _.forEachRight([1, 2], function(value) {\n     *   console.log(value);\n     * });\n     * // => Logs `2` then `1`.\n     */\n    function forEachRight(collection, iteratee) {\n      var func = isArray(collection) ? arrayEachRight : baseEachRight;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The order of grouped values\n     * is determined by the order they occur in `collection`. The corresponding\n     * value of each key is an array of elements responsible for generating the\n     * key. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * _.groupBy([6.1, 4.2, 6.3], Math.floor);\n     * // => { '4': [4.2], '6': [6.1, 6.3] }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.groupBy(['one', 'two', 'three'], 'length');\n     * // => { '3': ['one', 'two'], '5': ['three'] }\n     */\n    var groupBy = createAggregator(function(result, value, key) {\n      if (hasOwnProperty.call(result, key)) {\n        result[key].push(value);\n      } else {\n        baseAssignValue(result, key, [value]);\n      }\n    });\n\n    /**\n     * Checks if `value` is in `collection`. If `collection` is a string, it's\n     * checked for a substring of `value`, otherwise\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * is used for equality comparisons. If `fromIndex` is negative, it's used as\n     * the offset from the end of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @param {*} value The value to search for.\n     * @param {number} [fromIndex=0] The index to search from.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {boolean} Returns `true` if `value` is found, else `false`.\n     * @example\n     *\n     * _.includes([1, 2, 3], 1);\n     * // => true\n     *\n     * _.includes([1, 2, 3], 1, 2);\n     * // => false\n     *\n     * _.includes({ 'a': 1, 'b': 2 }, 1);\n     * // => true\n     *\n     * _.includes('abcd', 'bc');\n     * // => true\n     */\n    function includes(collection, value, fromIndex, guard) {\n      collection = isArrayLike(collection) ? collection : values(collection);\n      fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;\n\n      var length = collection.length;\n      if (fromIndex < 0) {\n        fromIndex = nativeMax(length + fromIndex, 0);\n      }\n      return isString(collection)\n        ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)\n        : (!!length && baseIndexOf(collection, value, fromIndex) > -1);\n    }\n\n    /**\n     * Invokes the method at `path` of each element in `collection`, returning\n     * an array of the results of each invoked method. Any additional arguments\n     * are provided to each invoked method. If `path` is a function, it's invoked\n     * for, and `this` bound to, each element in `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array|Function|string} path The path of the method to invoke or\n     *  the function invoked per iteration.\n     * @param {...*} [args] The arguments to invoke each method with.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');\n     * // => [[1, 5, 7], [1, 2, 3]]\n     *\n     * _.invokeMap([123, 456], String.prototype.split, '');\n     * // => [['1', '2', '3'], ['4', '5', '6']]\n     */\n    var invokeMap = baseRest(function(collection, path, args) {\n      var index = -1,\n          isFunc = typeof path == 'function',\n          result = isArrayLike(collection) ? Array(collection.length) : [];\n\n      baseEach(collection, function(value) {\n        result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);\n      });\n      return result;\n    });\n\n    /**\n     * Creates an object composed of keys generated from the results of running\n     * each element of `collection` thru `iteratee`. The corresponding value of\n     * each key is the last element responsible for generating the key. The\n     * iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee to transform keys.\n     * @returns {Object} Returns the composed aggregate object.\n     * @example\n     *\n     * var array = [\n     *   { 'dir': 'left', 'code': 97 },\n     *   { 'dir': 'right', 'code': 100 }\n     * ];\n     *\n     * _.keyBy(array, function(o) {\n     *   return String.fromCharCode(o.code);\n     * });\n     * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }\n     *\n     * _.keyBy(array, 'dir');\n     * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }\n     */\n    var keyBy = createAggregator(function(result, value, key) {\n      baseAssignValue(result, key, value);\n    });\n\n    /**\n     * Creates an array of values by running each element in `collection` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.\n     *\n     * The guarded methods are:\n     * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,\n     * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,\n     * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,\n     * `template`, `trim`, `trimEnd`, `trimStart`, and `words`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new mapped array.\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * _.map([4, 8], square);\n     * // => [16, 64]\n     *\n     * _.map({ 'a': 4, 'b': 8 }, square);\n     * // => [16, 64] (iteration order is not guaranteed)\n     *\n     * var users = [\n     *   { 'user': 'barney' },\n     *   { 'user': 'fred' }\n     * ];\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, 'user');\n     * // => ['barney', 'fred']\n     */\n    function map(collection, iteratee) {\n      var func = isArray(collection) ? arrayMap : baseMap;\n      return func(collection, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.sortBy` except that it allows specifying the sort\n     * orders of the iteratees to sort by. If `orders` is unspecified, all values\n     * are sorted in ascending order. Otherwise, specify an order of \"desc\" for\n     * descending or \"asc\" for ascending sort order of corresponding values.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @param {string[]} [orders] The sort orders of `iteratees`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 34 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 36 }\n     * ];\n     *\n     * // Sort by `user` in ascending order and by `age` in descending order.\n     * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     */\n    function orderBy(collection, iteratees, orders, guard) {\n      if (collection == null) {\n        return [];\n      }\n      if (!isArray(iteratees)) {\n        iteratees = iteratees == null ? [] : [iteratees];\n      }\n      orders = guard ? undefined : orders;\n      if (!isArray(orders)) {\n        orders = orders == null ? [] : [orders];\n      }\n      return baseOrderBy(collection, iteratees, orders);\n    }\n\n    /**\n     * Creates an array of elements split into two groups, the first of which\n     * contains elements `predicate` returns truthy for, the second of which\n     * contains elements `predicate` returns falsey for. The predicate is\n     * invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of grouped elements.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney',  'age': 36, 'active': false },\n     *   { 'user': 'fred',    'age': 40, 'active': true },\n     *   { 'user': 'pebbles', 'age': 1,  'active': false }\n     * ];\n     *\n     * _.partition(users, function(o) { return o.active; });\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.partition(users, { 'age': 1, 'active': false });\n     * // => objects for [['pebbles'], ['barney', 'fred']]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.partition(users, ['active', false]);\n     * // => objects for [['barney', 'pebbles'], ['fred']]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.partition(users, 'active');\n     * // => objects for [['fred'], ['barney', 'pebbles']]\n     */\n    var partition = createAggregator(function(result, value, key) {\n      result[key ? 0 : 1].push(value);\n    }, function() { return [[], []]; });\n\n    /**\n     * Reduces `collection` to a value which is the accumulated result of running\n     * each element in `collection` thru `iteratee`, where each successive\n     * invocation is supplied the return value of the previous. If `accumulator`\n     * is not given, the first element of `collection` is used as the initial\n     * value. The iteratee is invoked with four arguments:\n     * (accumulator, value, index|key, collection).\n     *\n     * Many lodash methods are guarded to work as iteratees for methods like\n     * `_.reduce`, `_.reduceRight`, and `_.transform`.\n     *\n     * The guarded methods are:\n     * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n     * and `sortBy`\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduceRight\n     * @example\n     *\n     * _.reduce([1, 2], function(sum, n) {\n     *   return sum + n;\n     * }, 0);\n     * // => 3\n     *\n     * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     *   return result;\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n     */\n    function reduce(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduce : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n    }\n\n    /**\n     * This method is like `_.reduce` except that it iterates over elements of\n     * `collection` from right to left.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The initial value.\n     * @returns {*} Returns the accumulated value.\n     * @see _.reduce\n     * @example\n     *\n     * var array = [[0, 1], [2, 3], [4, 5]];\n     *\n     * _.reduceRight(array, function(flattened, other) {\n     *   return flattened.concat(other);\n     * }, []);\n     * // => [4, 5, 2, 3, 0, 1]\n     */\n    function reduceRight(collection, iteratee, accumulator) {\n      var func = isArray(collection) ? arrayReduceRight : baseReduce,\n          initAccum = arguments.length < 3;\n\n      return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);\n    }\n\n    /**\n     * The opposite of `_.filter`; this method returns the elements of `collection`\n     * that `predicate` does **not** return truthy for.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the new filtered array.\n     * @see _.filter\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': false },\n     *   { 'user': 'fred',   'age': 40, 'active': true }\n     * ];\n     *\n     * _.reject(users, function(o) { return !o.active; });\n     * // => objects for ['fred']\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.reject(users, { 'age': 40, 'active': true });\n     * // => objects for ['barney']\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.reject(users, ['active', false]);\n     * // => objects for ['fred']\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.reject(users, 'active');\n     * // => objects for ['barney']\n     */\n    function reject(collection, predicate) {\n      var func = isArray(collection) ? arrayFilter : baseFilter;\n      return func(collection, negate(getIteratee(predicate, 3)));\n    }\n\n    /**\n     * Gets a random element from `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @returns {*} Returns the random element.\n     * @example\n     *\n     * _.sample([1, 2, 3, 4]);\n     * // => 2\n     */\n    function sample(collection) {\n      var func = isArray(collection) ? arraySample : baseSample;\n      return func(collection);\n    }\n\n    /**\n     * Gets `n` random elements at unique keys from `collection` up to the\n     * size of `collection`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to sample.\n     * @param {number} [n=1] The number of elements to sample.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the random elements.\n     * @example\n     *\n     * _.sampleSize([1, 2, 3], 2);\n     * // => [3, 1]\n     *\n     * _.sampleSize([1, 2, 3], 4);\n     * // => [2, 3, 1]\n     */\n    function sampleSize(collection, n, guard) {\n      if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      var func = isArray(collection) ? arraySampleSize : baseSampleSize;\n      return func(collection, n);\n    }\n\n    /**\n     * Creates an array of shuffled values, using a version of the\n     * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to shuffle.\n     * @returns {Array} Returns the new shuffled array.\n     * @example\n     *\n     * _.shuffle([1, 2, 3, 4]);\n     * // => [4, 1, 3, 2]\n     */\n    function shuffle(collection) {\n      var func = isArray(collection) ? arrayShuffle : baseShuffle;\n      return func(collection);\n    }\n\n    /**\n     * Gets the size of `collection` by returning its length for array-like\n     * values or the number of own enumerable string keyed properties for objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object|string} collection The collection to inspect.\n     * @returns {number} Returns the collection size.\n     * @example\n     *\n     * _.size([1, 2, 3]);\n     * // => 3\n     *\n     * _.size({ 'a': 1, 'b': 2 });\n     * // => 2\n     *\n     * _.size('pebbles');\n     * // => 7\n     */\n    function size(collection) {\n      if (collection == null) {\n        return 0;\n      }\n      if (isArrayLike(collection)) {\n        return isString(collection) ? stringSize(collection) : collection.length;\n      }\n      var tag = getTag(collection);\n      if (tag == mapTag || tag == setTag) {\n        return collection.size;\n      }\n      return baseKeys(collection).length;\n    }\n\n    /**\n     * Checks if `predicate` returns truthy for **any** element of `collection`.\n     * Iteration is stopped once `predicate` returns truthy. The predicate is\n     * invoked with three arguments: (value, index|key, collection).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {boolean} Returns `true` if any element passes the predicate check,\n     *  else `false`.\n     * @example\n     *\n     * _.some([null, 0, 'yes', false], Boolean);\n     * // => true\n     *\n     * var users = [\n     *   { 'user': 'barney', 'active': true },\n     *   { 'user': 'fred',   'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.some(users, { 'user': 'barney', 'active': false });\n     * // => false\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.some(users, ['active', false]);\n     * // => true\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.some(users, 'active');\n     * // => true\n     */\n    function some(collection, predicate, guard) {\n      var func = isArray(collection) ? arraySome : baseSome;\n      if (guard && isIterateeCall(collection, predicate, guard)) {\n        predicate = undefined;\n      }\n      return func(collection, getIteratee(predicate, 3));\n    }\n\n    /**\n     * Creates an array of elements, sorted in ascending order by the results of\n     * running each element in a collection thru each iteratee. This method\n     * performs a stable sort, that is, it preserves the original sort order of\n     * equal elements. The iteratees are invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Collection\n     * @param {Array|Object} collection The collection to iterate over.\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to sort by.\n     * @returns {Array} Returns the new sorted array.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'fred',   'age': 48 },\n     *   { 'user': 'barney', 'age': 36 },\n     *   { 'user': 'fred',   'age': 40 },\n     *   { 'user': 'barney', 'age': 34 }\n     * ];\n     *\n     * _.sortBy(users, [function(o) { return o.user; }]);\n     * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]\n     *\n     * _.sortBy(users, ['user', 'age']);\n     * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]\n     */\n    var sortBy = baseRest(function(collection, iteratees) {\n      if (collection == null) {\n        return [];\n      }\n      var length = iteratees.length;\n      if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {\n        iteratees = [];\n      } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {\n        iteratees = [iteratees[0]];\n      }\n      return baseOrderBy(collection, baseFlatten(iteratees, 1), []);\n    });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Gets the timestamp of the number of milliseconds that have elapsed since\n     * the Unix epoch (1 January 1970 00:00:00 UTC).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Date\n     * @returns {number} Returns the timestamp.\n     * @example\n     *\n     * _.defer(function(stamp) {\n     *   console.log(_.now() - stamp);\n     * }, _.now());\n     * // => Logs the number of milliseconds it took for the deferred invocation.\n     */\n    var now = ctxNow || function() {\n      return root.Date.now();\n    };\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The opposite of `_.before`; this method creates a function that invokes\n     * `func` once it's called `n` or more times.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {number} n The number of calls before `func` is invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var saves = ['profile', 'settings'];\n     *\n     * var done = _.after(saves.length, function() {\n     *   console.log('done saving!');\n     * });\n     *\n     * _.forEach(saves, function(type) {\n     *   asyncSave({ 'type': type, 'complete': done });\n     * });\n     * // => Logs 'done saving!' after the two async saves have completed.\n     */\n    function after(n, func) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n < 1) {\n          return func.apply(this, arguments);\n        }\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func`, with up to `n` arguments,\n     * ignoring any additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @param {number} [n=func.length] The arity cap.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.ary(parseInt, 1));\n     * // => [6, 8, 10]\n     */\n    function ary(func, n, guard) {\n      n = guard ? undefined : n;\n      n = (func && n == null) ? func.length : n;\n      return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);\n    }\n\n    /**\n     * Creates a function that invokes `func`, with the `this` binding and arguments\n     * of the created function, while it's called less than `n` times. Subsequent\n     * calls to the created function return the result of the last `func` invocation.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {number} n The number of calls at which `func` is no longer invoked.\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * jQuery(element).on('click', _.before(5, addContactToList));\n     * // => Allows adding up to 4 contacts to the list.\n     */\n    function before(n, func) {\n      var result;\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      n = toInteger(n);\n      return function() {\n        if (--n > 0) {\n          result = func.apply(this, arguments);\n        }\n        if (n <= 1) {\n          func = undefined;\n        }\n        return result;\n      };\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of `thisArg`\n     * and `partials` prepended to the arguments it receives.\n     *\n     * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** Unlike native `Function#bind`, this method doesn't set the \"length\"\n     * property of bound functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to bind.\n     * @param {*} thisArg The `this` binding of `func`.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * function greet(greeting, punctuation) {\n     *   return greeting + ' ' + this.user + punctuation;\n     * }\n     *\n     * var object = { 'user': 'fred' };\n     *\n     * var bound = _.bind(greet, object, 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bind(greet, object, _, '!');\n     * bound('hi');\n     * // => 'hi fred!'\n     */\n    var bind = baseRest(function(func, thisArg, partials) {\n      var bitmask = WRAP_BIND_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bind));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(func, bitmask, thisArg, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes the method at `object[key]` with `partials`\n     * prepended to the arguments it receives.\n     *\n     * This method differs from `_.bind` by allowing bound functions to reference\n     * methods that may be redefined or don't yet exist. See\n     * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)\n     * for more details.\n     *\n     * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Function\n     * @param {Object} object The object to invoke the method on.\n     * @param {string} key The key of the method.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new bound function.\n     * @example\n     *\n     * var object = {\n     *   'user': 'fred',\n     *   'greet': function(greeting, punctuation) {\n     *     return greeting + ' ' + this.user + punctuation;\n     *   }\n     * };\n     *\n     * var bound = _.bindKey(object, 'greet', 'hi');\n     * bound('!');\n     * // => 'hi fred!'\n     *\n     * object.greet = function(greeting, punctuation) {\n     *   return greeting + 'ya ' + this.user + punctuation;\n     * };\n     *\n     * bound('!');\n     * // => 'hiya fred!'\n     *\n     * // Bound with placeholders.\n     * var bound = _.bindKey(object, 'greet', _, '!');\n     * bound('hi');\n     * // => 'hiya fred!'\n     */\n    var bindKey = baseRest(function(object, key, partials) {\n      var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;\n      if (partials.length) {\n        var holders = replaceHolders(partials, getHolder(bindKey));\n        bitmask |= WRAP_PARTIAL_FLAG;\n      }\n      return createWrap(key, bitmask, object, partials, holders);\n    });\n\n    /**\n     * Creates a function that accepts arguments of `func` and either invokes\n     * `func` returning its result, if at least `arity` number of arguments have\n     * been provided, or returns a function that accepts the remaining `func`\n     * arguments, and so on. The arity of `func` may be specified if `func.length`\n     * is not sufficient.\n     *\n     * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,\n     * may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curry(abc);\n     *\n     * curried(1)(2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2)(3);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(1)(_, 3)(2);\n     * // => [1, 2, 3]\n     */\n    function curry(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curry.placeholder;\n      return result;\n    }\n\n    /**\n     * This method is like `_.curry` except that arguments are applied to `func`\n     * in the manner of `_.partialRight` instead of `_.partial`.\n     *\n     * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for provided arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of curried functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to curry.\n     * @param {number} [arity=func.length] The arity of `func`.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the new curried function.\n     * @example\n     *\n     * var abc = function(a, b, c) {\n     *   return [a, b, c];\n     * };\n     *\n     * var curried = _.curryRight(abc);\n     *\n     * curried(3)(2)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(2, 3)(1);\n     * // => [1, 2, 3]\n     *\n     * curried(1, 2, 3);\n     * // => [1, 2, 3]\n     *\n     * // Curried with placeholders.\n     * curried(3)(1, _)(2);\n     * // => [1, 2, 3]\n     */\n    function curryRight(func, arity, guard) {\n      arity = guard ? undefined : arity;\n      var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);\n      result.placeholder = curryRight.placeholder;\n      return result;\n    }\n\n    /**\n     * Creates a debounced function that delays invoking `func` until after `wait`\n     * milliseconds have elapsed since the last time the debounced function was\n     * invoked. The debounced function comes with a `cancel` method to cancel\n     * delayed `func` invocations and a `flush` method to immediately invoke them.\n     * Provide `options` to indicate whether `func` should be invoked on the\n     * leading and/or trailing edge of the `wait` timeout. The `func` is invoked\n     * with the last arguments provided to the debounced function. Subsequent\n     * calls to the debounced function return the result of the last `func`\n     * invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the debounced function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.debounce` and `_.throttle`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to debounce.\n     * @param {number} [wait=0] The number of milliseconds to delay.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=false]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {number} [options.maxWait]\n     *  The maximum time `func` is allowed to be delayed before it's invoked.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new debounced function.\n     * @example\n     *\n     * // Avoid costly calculations while the window size is in flux.\n     * jQuery(window).on('resize', _.debounce(calculateLayout, 150));\n     *\n     * // Invoke `sendMail` when clicked, debouncing subsequent calls.\n     * jQuery(element).on('click', _.debounce(sendMail, 300, {\n     *   'leading': true,\n     *   'trailing': false\n     * }));\n     *\n     * // Ensure `batchLog` is invoked once after 1 second of debounced calls.\n     * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });\n     * var source = new EventSource('/stream');\n     * jQuery(source).on('message', debounced);\n     *\n     * // Cancel the trailing debounced invocation.\n     * jQuery(window).on('popstate', debounced.cancel);\n     */\n    function debounce(func, wait, options) {\n      var lastArgs,\n          lastThis,\n          maxWait,\n          result,\n          timerId,\n          lastCallTime,\n          lastInvokeTime = 0,\n          leading = false,\n          maxing = false,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      wait = toNumber(wait) || 0;\n      if (isObject(options)) {\n        leading = !!options.leading;\n        maxing = 'maxWait' in options;\n        maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n\n      function invokeFunc(time) {\n        var args = lastArgs,\n            thisArg = lastThis;\n\n        lastArgs = lastThis = undefined;\n        lastInvokeTime = time;\n        result = func.apply(thisArg, args);\n        return result;\n      }\n\n      function leadingEdge(time) {\n        // Reset any `maxWait` timer.\n        lastInvokeTime = time;\n        // Start the timer for the trailing edge.\n        timerId = setTimeout(timerExpired, wait);\n        // Invoke the leading edge.\n        return leading ? invokeFunc(time) : result;\n      }\n\n      function remainingWait(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime,\n            result = wait - timeSinceLastCall;\n\n        return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;\n      }\n\n      function shouldInvoke(time) {\n        var timeSinceLastCall = time - lastCallTime,\n            timeSinceLastInvoke = time - lastInvokeTime;\n\n        // Either this is the first call, activity has stopped and we're at the\n        // trailing edge, the system time has gone backwards and we're treating\n        // it as the trailing edge, or we've hit the `maxWait` limit.\n        return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||\n          (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));\n      }\n\n      function timerExpired() {\n        var time = now();\n        if (shouldInvoke(time)) {\n          return trailingEdge(time);\n        }\n        // Restart the timer.\n        timerId = setTimeout(timerExpired, remainingWait(time));\n      }\n\n      function trailingEdge(time) {\n        timerId = undefined;\n\n        // Only invoke if we have `lastArgs` which means `func` has been\n        // debounced at least once.\n        if (trailing && lastArgs) {\n          return invokeFunc(time);\n        }\n        lastArgs = lastThis = undefined;\n        return result;\n      }\n\n      function cancel() {\n        if (timerId !== undefined) {\n          clearTimeout(timerId);\n        }\n        lastInvokeTime = 0;\n        lastArgs = lastCallTime = lastThis = timerId = undefined;\n      }\n\n      function flush() {\n        return timerId === undefined ? result : trailingEdge(now());\n      }\n\n      function debounced() {\n        var time = now(),\n            isInvoking = shouldInvoke(time);\n\n        lastArgs = arguments;\n        lastThis = this;\n        lastCallTime = time;\n\n        if (isInvoking) {\n          if (timerId === undefined) {\n            return leadingEdge(lastCallTime);\n          }\n          if (maxing) {\n            // Handle invocations in a tight loop.\n            timerId = setTimeout(timerExpired, wait);\n            return invokeFunc(lastCallTime);\n          }\n        }\n        if (timerId === undefined) {\n          timerId = setTimeout(timerExpired, wait);\n        }\n        return result;\n      }\n      debounced.cancel = cancel;\n      debounced.flush = flush;\n      return debounced;\n    }\n\n    /**\n     * Defers invoking the `func` until the current call stack has cleared. Any\n     * additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to defer.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.defer(function(text) {\n     *   console.log(text);\n     * }, 'deferred');\n     * // => Logs 'deferred' after one millisecond.\n     */\n    var defer = baseRest(function(func, args) {\n      return baseDelay(func, 1, args);\n    });\n\n    /**\n     * Invokes `func` after `wait` milliseconds. Any additional arguments are\n     * provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to delay.\n     * @param {number} wait The number of milliseconds to delay invocation.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {number} Returns the timer id.\n     * @example\n     *\n     * _.delay(function(text) {\n     *   console.log(text);\n     * }, 1000, 'later');\n     * // => Logs 'later' after one second.\n     */\n    var delay = baseRest(function(func, wait, args) {\n      return baseDelay(func, toNumber(wait) || 0, args);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments reversed.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to flip arguments for.\n     * @returns {Function} Returns the new flipped function.\n     * @example\n     *\n     * var flipped = _.flip(function() {\n     *   return _.toArray(arguments);\n     * });\n     *\n     * flipped('a', 'b', 'c', 'd');\n     * // => ['d', 'c', 'b', 'a']\n     */\n    function flip(func) {\n      return createWrap(func, WRAP_FLIP_FLAG);\n    }\n\n    /**\n     * Creates a function that memoizes the result of `func`. If `resolver` is\n     * provided, it determines the cache key for storing the result based on the\n     * arguments provided to the memoized function. By default, the first argument\n     * provided to the memoized function is used as the map cache key. The `func`\n     * is invoked with the `this` binding of the memoized function.\n     *\n     * **Note:** The cache is exposed as the `cache` property on the memoized\n     * function. Its creation may be customized by replacing the `_.memoize.Cache`\n     * constructor with one whose instances implement the\n     * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)\n     * method interface of `clear`, `delete`, `get`, `has`, and `set`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to have its output memoized.\n     * @param {Function} [resolver] The function to resolve the cache key.\n     * @returns {Function} Returns the new memoized function.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     * var other = { 'c': 3, 'd': 4 };\n     *\n     * var values = _.memoize(_.values);\n     * values(object);\n     * // => [1, 2]\n     *\n     * values(other);\n     * // => [3, 4]\n     *\n     * object.a = 2;\n     * values(object);\n     * // => [1, 2]\n     *\n     * // Modify the result cache.\n     * values.cache.set(object, ['a', 'b']);\n     * values(object);\n     * // => ['a', 'b']\n     *\n     * // Replace `_.memoize.Cache`.\n     * _.memoize.Cache = WeakMap;\n     */\n    function memoize(func, resolver) {\n      if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      var memoized = function() {\n        var args = arguments,\n            key = resolver ? resolver.apply(this, args) : args[0],\n            cache = memoized.cache;\n\n        if (cache.has(key)) {\n          return cache.get(key);\n        }\n        var result = func.apply(this, args);\n        memoized.cache = cache.set(key, result) || cache;\n        return result;\n      };\n      memoized.cache = new (memoize.Cache || MapCache);\n      return memoized;\n    }\n\n    // Expose `MapCache`.\n    memoize.Cache = MapCache;\n\n    /**\n     * Creates a function that negates the result of the predicate `func`. The\n     * `func` predicate is invoked with the `this` binding and arguments of the\n     * created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} predicate The predicate to negate.\n     * @returns {Function} Returns the new negated function.\n     * @example\n     *\n     * function isEven(n) {\n     *   return n % 2 == 0;\n     * }\n     *\n     * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));\n     * // => [1, 3, 5]\n     */\n    function negate(predicate) {\n      if (typeof predicate != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      return function() {\n        var args = arguments;\n        switch (args.length) {\n          case 0: return !predicate.call(this);\n          case 1: return !predicate.call(this, args[0]);\n          case 2: return !predicate.call(this, args[0], args[1]);\n          case 3: return !predicate.call(this, args[0], args[1], args[2]);\n        }\n        return !predicate.apply(this, args);\n      };\n    }\n\n    /**\n     * Creates a function that is restricted to invoking `func` once. Repeat calls\n     * to the function return the value of the first invocation. The `func` is\n     * invoked with the `this` binding and arguments of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to restrict.\n     * @returns {Function} Returns the new restricted function.\n     * @example\n     *\n     * var initialize = _.once(createApplication);\n     * initialize();\n     * initialize();\n     * // => `createApplication` is invoked once\n     */\n    function once(func) {\n      return before(2, func);\n    }\n\n    /**\n     * Creates a function that invokes `func` with its arguments transformed.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Function\n     * @param {Function} func The function to wrap.\n     * @param {...(Function|Function[])} [transforms=[_.identity]]\n     *  The argument transforms.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * function doubled(n) {\n     *   return n * 2;\n     * }\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var func = _.overArgs(function(x, y) {\n     *   return [x, y];\n     * }, [square, doubled]);\n     *\n     * func(9, 3);\n     * // => [81, 6]\n     *\n     * func(10, 5);\n     * // => [100, 10]\n     */\n    var overArgs = castRest(function(func, transforms) {\n      transforms = (transforms.length == 1 && isArray(transforms[0]))\n        ? arrayMap(transforms[0], baseUnary(getIteratee()))\n        : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));\n\n      var funcsLength = transforms.length;\n      return baseRest(function(args) {\n        var index = -1,\n            length = nativeMin(args.length, funcsLength);\n\n        while (++index < length) {\n          args[index] = transforms[index].call(this, args[index]);\n        }\n        return apply(func, this, args);\n      });\n    });\n\n    /**\n     * Creates a function that invokes `func` with `partials` prepended to the\n     * arguments it receives. This method is like `_.bind` except it does **not**\n     * alter the `this` binding.\n     *\n     * The `_.partial.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.2.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var sayHelloTo = _.partial(greet, 'hello');\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     *\n     * // Partially applied with placeholders.\n     * var greetFred = _.partial(greet, _, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     */\n    var partial = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partial));\n      return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * This method is like `_.partial` except that partially applied arguments\n     * are appended to the arguments it receives.\n     *\n     * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic\n     * builds, may be used as a placeholder for partially applied arguments.\n     *\n     * **Note:** This method doesn't set the \"length\" property of partially\n     * applied functions.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Function\n     * @param {Function} func The function to partially apply arguments to.\n     * @param {...*} [partials] The arguments to be partially applied.\n     * @returns {Function} Returns the new partially applied function.\n     * @example\n     *\n     * function greet(greeting, name) {\n     *   return greeting + ' ' + name;\n     * }\n     *\n     * var greetFred = _.partialRight(greet, 'fred');\n     * greetFred('hi');\n     * // => 'hi fred'\n     *\n     * // Partially applied with placeholders.\n     * var sayHelloTo = _.partialRight(greet, 'hello', _);\n     * sayHelloTo('fred');\n     * // => 'hello fred'\n     */\n    var partialRight = baseRest(function(func, partials) {\n      var holders = replaceHolders(partials, getHolder(partialRight));\n      return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);\n    });\n\n    /**\n     * Creates a function that invokes `func` with arguments arranged according\n     * to the specified `indexes` where the argument value at the first index is\n     * provided as the first argument, the argument value at the second index is\n     * provided as the second argument, and so on.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Function\n     * @param {Function} func The function to rearrange arguments for.\n     * @param {...(number|number[])} indexes The arranged argument indexes.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var rearged = _.rearg(function(a, b, c) {\n     *   return [a, b, c];\n     * }, [2, 0, 1]);\n     *\n     * rearged('b', 'c', 'a')\n     * // => ['a', 'b', 'c']\n     */\n    var rearg = flatRest(function(func, indexes) {\n      return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);\n    });\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * created function and arguments from `start` and beyond provided as\n     * an array.\n     *\n     * **Note:** This method is based on the\n     * [rest parameter](https://mdn.io/rest_parameters).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to apply a rest parameter to.\n     * @param {number} [start=func.length-1] The start position of the rest parameter.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.rest(function(what, names) {\n     *   return what + ' ' + _.initial(names).join(', ') +\n     *     (_.size(names) > 1 ? ', & ' : '') + _.last(names);\n     * });\n     *\n     * say('hello', 'fred', 'barney', 'pebbles');\n     * // => 'hello fred, barney, & pebbles'\n     */\n    function rest(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start === undefined ? start : toInteger(start);\n      return baseRest(func, start);\n    }\n\n    /**\n     * Creates a function that invokes `func` with the `this` binding of the\n     * create function and an array of arguments much like\n     * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).\n     *\n     * **Note:** This method is based on the\n     * [spread operator](https://mdn.io/spread_operator).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Function\n     * @param {Function} func The function to spread arguments over.\n     * @param {number} [start=0] The start position of the spread.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var say = _.spread(function(who, what) {\n     *   return who + ' says ' + what;\n     * });\n     *\n     * say(['fred', 'hello']);\n     * // => 'fred says hello'\n     *\n     * var numbers = Promise.all([\n     *   Promise.resolve(40),\n     *   Promise.resolve(36)\n     * ]);\n     *\n     * numbers.then(_.spread(function(x, y) {\n     *   return x + y;\n     * }));\n     * // => a Promise of 76\n     */\n    function spread(func, start) {\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      start = start == null ? 0 : nativeMax(toInteger(start), 0);\n      return baseRest(function(args) {\n        var array = args[start],\n            otherArgs = castSlice(args, 0, start);\n\n        if (array) {\n          arrayPush(otherArgs, array);\n        }\n        return apply(func, this, otherArgs);\n      });\n    }\n\n    /**\n     * Creates a throttled function that only invokes `func` at most once per\n     * every `wait` milliseconds. The throttled function comes with a `cancel`\n     * method to cancel delayed `func` invocations and a `flush` method to\n     * immediately invoke them. Provide `options` to indicate whether `func`\n     * should be invoked on the leading and/or trailing edge of the `wait`\n     * timeout. The `func` is invoked with the last arguments provided to the\n     * throttled function. Subsequent calls to the throttled function return the\n     * result of the last `func` invocation.\n     *\n     * **Note:** If `leading` and `trailing` options are `true`, `func` is\n     * invoked on the trailing edge of the timeout only if the throttled function\n     * is invoked more than once during the `wait` timeout.\n     *\n     * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred\n     * until to the next tick, similar to `setTimeout` with a timeout of `0`.\n     *\n     * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)\n     * for details over the differences between `_.throttle` and `_.debounce`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {Function} func The function to throttle.\n     * @param {number} [wait=0] The number of milliseconds to throttle invocations to.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.leading=true]\n     *  Specify invoking on the leading edge of the timeout.\n     * @param {boolean} [options.trailing=true]\n     *  Specify invoking on the trailing edge of the timeout.\n     * @returns {Function} Returns the new throttled function.\n     * @example\n     *\n     * // Avoid excessively updating the position while scrolling.\n     * jQuery(window).on('scroll', _.throttle(updatePosition, 100));\n     *\n     * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.\n     * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });\n     * jQuery(element).on('click', throttled);\n     *\n     * // Cancel the trailing throttled invocation.\n     * jQuery(window).on('popstate', throttled.cancel);\n     */\n    function throttle(func, wait, options) {\n      var leading = true,\n          trailing = true;\n\n      if (typeof func != 'function') {\n        throw new TypeError(FUNC_ERROR_TEXT);\n      }\n      if (isObject(options)) {\n        leading = 'leading' in options ? !!options.leading : leading;\n        trailing = 'trailing' in options ? !!options.trailing : trailing;\n      }\n      return debounce(func, wait, {\n        'leading': leading,\n        'maxWait': wait,\n        'trailing': trailing\n      });\n    }\n\n    /**\n     * Creates a function that accepts up to one argument, ignoring any\n     * additional arguments.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Function\n     * @param {Function} func The function to cap arguments for.\n     * @returns {Function} Returns the new capped function.\n     * @example\n     *\n     * _.map(['6', '8', '10'], _.unary(parseInt));\n     * // => [6, 8, 10]\n     */\n    function unary(func) {\n      return ary(func, 1);\n    }\n\n    /**\n     * Creates a function that provides `value` to `wrapper` as its first\n     * argument. Any additional arguments provided to the function are appended\n     * to those provided to the `wrapper`. The wrapper is invoked with the `this`\n     * binding of the created function.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Function\n     * @param {*} value The value to wrap.\n     * @param {Function} [wrapper=identity] The wrapper function.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var p = _.wrap(_.escape, function(func, text) {\n     *   return '<p>' + func(text) + '</p>';\n     * });\n     *\n     * p('fred, barney, & pebbles');\n     * // => '<p>fred, barney, &amp; pebbles</p>'\n     */\n    function wrap(value, wrapper) {\n      return partial(castFunction(wrapper), value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Casts `value` as an array if it's not one.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.4.0\n     * @category Lang\n     * @param {*} value The value to inspect.\n     * @returns {Array} Returns the cast array.\n     * @example\n     *\n     * _.castArray(1);\n     * // => [1]\n     *\n     * _.castArray({ 'a': 1 });\n     * // => [{ 'a': 1 }]\n     *\n     * _.castArray('abc');\n     * // => ['abc']\n     *\n     * _.castArray(null);\n     * // => [null]\n     *\n     * _.castArray(undefined);\n     * // => [undefined]\n     *\n     * _.castArray();\n     * // => []\n     *\n     * var array = [1, 2, 3];\n     * console.log(_.castArray(array) === array);\n     * // => true\n     */\n    function castArray() {\n      if (!arguments.length) {\n        return [];\n      }\n      var value = arguments[0];\n      return isArray(value) ? value : [value];\n    }\n\n    /**\n     * Creates a shallow clone of `value`.\n     *\n     * **Note:** This method is loosely based on the\n     * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n     * and supports cloning arrays, array buffers, booleans, date objects, maps,\n     * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n     * arrays. The own enumerable properties of `arguments` objects are cloned\n     * as plain objects. An empty object is returned for uncloneable values such\n     * as error objects, functions, DOM nodes, and WeakMaps.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeep\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var shallow = _.clone(objects);\n     * console.log(shallow[0] === objects[0]);\n     * // => true\n     */\n    function clone(value) {\n      return baseClone(value, CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.clone` except that it accepts `customizer` which\n     * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n     * cloning is handled by the method instead. The `customizer` is invoked with\n     * up to four arguments; (value [, index|key, object, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the cloned value.\n     * @see _.cloneDeepWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(false);\n     *   }\n     * }\n     *\n     * var el = _.cloneWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 0\n     */\n    function cloneWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * This method is like `_.clone` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.clone\n     * @example\n     *\n     * var objects = [{ 'a': 1 }, { 'b': 2 }];\n     *\n     * var deep = _.cloneDeep(objects);\n     * console.log(deep[0] === objects[0]);\n     * // => false\n     */\n    function cloneDeep(value) {\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);\n    }\n\n    /**\n     * This method is like `_.cloneWith` except that it recursively clones `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to recursively clone.\n     * @param {Function} [customizer] The function to customize cloning.\n     * @returns {*} Returns the deep cloned value.\n     * @see _.cloneWith\n     * @example\n     *\n     * function customizer(value) {\n     *   if (_.isElement(value)) {\n     *     return value.cloneNode(true);\n     *   }\n     * }\n     *\n     * var el = _.cloneDeepWith(document.body, customizer);\n     *\n     * console.log(el === document.body);\n     * // => false\n     * console.log(el.nodeName);\n     * // => 'BODY'\n     * console.log(el.childNodes.length);\n     * // => 20\n     */\n    function cloneDeepWith(value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);\n    }\n\n    /**\n     * Checks if `object` conforms to `source` by invoking the predicate\n     * properties of `source` with the corresponding property values of `object`.\n     *\n     * **Note:** This method is equivalent to `_.conforms` when `source` is\n     * partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {boolean} Returns `true` if `object` conforms, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 1; } });\n     * // => true\n     *\n     * _.conformsTo(object, { 'b': function(n) { return n > 2; } });\n     * // => false\n     */\n    function conformsTo(object, source) {\n      return source == null || baseConformsTo(object, source, keys(source));\n    }\n\n    /**\n     * Performs a\n     * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)\n     * comparison between two values to determine if they are equivalent.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.eq(object, object);\n     * // => true\n     *\n     * _.eq(object, other);\n     * // => false\n     *\n     * _.eq('a', 'a');\n     * // => true\n     *\n     * _.eq('a', Object('a'));\n     * // => false\n     *\n     * _.eq(NaN, NaN);\n     * // => true\n     */\n    function eq(value, other) {\n      return value === other || (value !== value && other !== other);\n    }\n\n    /**\n     * Checks if `value` is greater than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than `other`,\n     *  else `false`.\n     * @see _.lt\n     * @example\n     *\n     * _.gt(3, 1);\n     * // => true\n     *\n     * _.gt(3, 3);\n     * // => false\n     *\n     * _.gt(1, 3);\n     * // => false\n     */\n    var gt = createRelationalOperation(baseGt);\n\n    /**\n     * Checks if `value` is greater than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is greater than or equal to\n     *  `other`, else `false`.\n     * @see _.lte\n     * @example\n     *\n     * _.gte(3, 1);\n     * // => true\n     *\n     * _.gte(3, 3);\n     * // => true\n     *\n     * _.gte(1, 3);\n     * // => false\n     */\n    var gte = createRelationalOperation(function(value, other) {\n      return value >= other;\n    });\n\n    /**\n     * Checks if `value` is likely an `arguments` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an `arguments` object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArguments(function() { return arguments; }());\n     * // => true\n     *\n     * _.isArguments([1, 2, 3]);\n     * // => false\n     */\n    var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {\n      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&\n        !propertyIsEnumerable.call(value, 'callee');\n    };\n\n    /**\n     * Checks if `value` is classified as an `Array` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array, else `false`.\n     * @example\n     *\n     * _.isArray([1, 2, 3]);\n     * // => true\n     *\n     * _.isArray(document.body.children);\n     * // => false\n     *\n     * _.isArray('abc');\n     * // => false\n     *\n     * _.isArray(_.noop);\n     * // => false\n     */\n    var isArray = Array.isArray;\n\n    /**\n     * Checks if `value` is classified as an `ArrayBuffer` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.\n     * @example\n     *\n     * _.isArrayBuffer(new ArrayBuffer(2));\n     * // => true\n     *\n     * _.isArrayBuffer(new Array(2));\n     * // => false\n     */\n    var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;\n\n    /**\n     * Checks if `value` is array-like. A value is considered array-like if it's\n     * not a function and has a `value.length` that's an integer greater than or\n     * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n     * @example\n     *\n     * _.isArrayLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLike(document.body.children);\n     * // => true\n     *\n     * _.isArrayLike('abc');\n     * // => true\n     *\n     * _.isArrayLike(_.noop);\n     * // => false\n     */\n    function isArrayLike(value) {\n      return value != null && isLength(value.length) && !isFunction(value);\n    }\n\n    /**\n     * This method is like `_.isArrayLike` except that it also checks if `value`\n     * is an object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an array-like object,\n     *  else `false`.\n     * @example\n     *\n     * _.isArrayLikeObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isArrayLikeObject(document.body.children);\n     * // => true\n     *\n     * _.isArrayLikeObject('abc');\n     * // => false\n     *\n     * _.isArrayLikeObject(_.noop);\n     * // => false\n     */\n    function isArrayLikeObject(value) {\n      return isObjectLike(value) && isArrayLike(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a boolean primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.\n     * @example\n     *\n     * _.isBoolean(false);\n     * // => true\n     *\n     * _.isBoolean(null);\n     * // => false\n     */\n    function isBoolean(value) {\n      return value === true || value === false ||\n        (isObjectLike(value) && baseGetTag(value) == boolTag);\n    }\n\n    /**\n     * Checks if `value` is a buffer.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n     * @example\n     *\n     * _.isBuffer(new Buffer(2));\n     * // => true\n     *\n     * _.isBuffer(new Uint8Array(2));\n     * // => false\n     */\n    var isBuffer = nativeIsBuffer || stubFalse;\n\n    /**\n     * Checks if `value` is classified as a `Date` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a date object, else `false`.\n     * @example\n     *\n     * _.isDate(new Date);\n     * // => true\n     *\n     * _.isDate('Mon April 23 2012');\n     * // => false\n     */\n    var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;\n\n    /**\n     * Checks if `value` is likely a DOM element.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.\n     * @example\n     *\n     * _.isElement(document.body);\n     * // => true\n     *\n     * _.isElement('<body>');\n     * // => false\n     */\n    function isElement(value) {\n      return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);\n    }\n\n    /**\n     * Checks if `value` is an empty object, collection, map, or set.\n     *\n     * Objects are considered empty if they have no own enumerable string keyed\n     * properties.\n     *\n     * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n     * jQuery-like collections are considered empty if they have a `length` of `0`.\n     * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n     * @example\n     *\n     * _.isEmpty(null);\n     * // => true\n     *\n     * _.isEmpty(true);\n     * // => true\n     *\n     * _.isEmpty(1);\n     * // => true\n     *\n     * _.isEmpty([1, 2, 3]);\n     * // => false\n     *\n     * _.isEmpty({ 'a': 1 });\n     * // => false\n     */\n    function isEmpty(value) {\n      if (value == null) {\n        return true;\n      }\n      if (isArrayLike(value) &&\n          (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||\n            isBuffer(value) || isTypedArray(value) || isArguments(value))) {\n        return !value.length;\n      }\n      var tag = getTag(value);\n      if (tag == mapTag || tag == setTag) {\n        return !value.size;\n      }\n      if (isPrototype(value)) {\n        return !baseKeys(value).length;\n      }\n      for (var key in value) {\n        if (hasOwnProperty.call(value, key)) {\n          return false;\n        }\n      }\n      return true;\n    }\n\n    /**\n     * Performs a deep comparison between two values to determine if they are\n     * equivalent.\n     *\n     * **Note:** This method supports comparing arrays, array buffers, booleans,\n     * date objects, error objects, maps, numbers, `Object` objects, regexes,\n     * sets, strings, symbols, and typed arrays. `Object` objects are compared\n     * by their own, not inherited, enumerable properties. Functions and DOM\n     * nodes are compared by strict equality, i.e. `===`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     * var other = { 'a': 1 };\n     *\n     * _.isEqual(object, other);\n     * // => true\n     *\n     * object === other;\n     * // => false\n     */\n    function isEqual(value, other) {\n      return baseIsEqual(value, other);\n    }\n\n    /**\n     * This method is like `_.isEqual` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with up to\n     * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, othValue) {\n     *   if (isGreeting(objValue) && isGreeting(othValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var array = ['hello', 'goodbye'];\n     * var other = ['hi', 'goodbye'];\n     *\n     * _.isEqualWith(array, other, customizer);\n     * // => true\n     */\n    function isEqualWith(value, other, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      var result = customizer ? customizer(value, other) : undefined;\n      return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;\n    }\n\n    /**\n     * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n     * `SyntaxError`, `TypeError`, or `URIError` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an error object, else `false`.\n     * @example\n     *\n     * _.isError(new Error);\n     * // => true\n     *\n     * _.isError(Error);\n     * // => false\n     */\n    function isError(value) {\n      if (!isObjectLike(value)) {\n        return false;\n      }\n      var tag = baseGetTag(value);\n      return tag == errorTag || tag == domExcTag ||\n        (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));\n    }\n\n    /**\n     * Checks if `value` is a finite primitive number.\n     *\n     * **Note:** This method is based on\n     * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.\n     * @example\n     *\n     * _.isFinite(3);\n     * // => true\n     *\n     * _.isFinite(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isFinite(Infinity);\n     * // => false\n     *\n     * _.isFinite('3');\n     * // => false\n     */\n    function isFinite(value) {\n      return typeof value == 'number' && nativeIsFinite(value);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Function` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a function, else `false`.\n     * @example\n     *\n     * _.isFunction(_);\n     * // => true\n     *\n     * _.isFunction(/abc/);\n     * // => false\n     */\n    function isFunction(value) {\n      if (!isObject(value)) {\n        return false;\n      }\n      // The use of `Object#toString` avoids issues with the `typeof` operator\n      // in Safari 9 which returns 'object' for typed arrays and other constructors.\n      var tag = baseGetTag(value);\n      return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;\n    }\n\n    /**\n     * Checks if `value` is an integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n     * @example\n     *\n     * _.isInteger(3);\n     * // => true\n     *\n     * _.isInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isInteger(Infinity);\n     * // => false\n     *\n     * _.isInteger('3');\n     * // => false\n     */\n    function isInteger(value) {\n      return typeof value == 'number' && value == toInteger(value);\n    }\n\n    /**\n     * Checks if `value` is a valid array-like length.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.\n     * @example\n     *\n     * _.isLength(3);\n     * // => true\n     *\n     * _.isLength(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isLength(Infinity);\n     * // => false\n     *\n     * _.isLength('3');\n     * // => false\n     */\n    function isLength(value) {\n      return typeof value == 'number' &&\n        value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is the\n     * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)\n     * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n     * @example\n     *\n     * _.isObject({});\n     * // => true\n     *\n     * _.isObject([1, 2, 3]);\n     * // => true\n     *\n     * _.isObject(_.noop);\n     * // => true\n     *\n     * _.isObject(null);\n     * // => false\n     */\n    function isObject(value) {\n      var type = typeof value;\n      return value != null && (type == 'object' || type == 'function');\n    }\n\n    /**\n     * Checks if `value` is object-like. A value is object-like if it's not `null`\n     * and has a `typeof` result of \"object\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n     * @example\n     *\n     * _.isObjectLike({});\n     * // => true\n     *\n     * _.isObjectLike([1, 2, 3]);\n     * // => true\n     *\n     * _.isObjectLike(_.noop);\n     * // => false\n     *\n     * _.isObjectLike(null);\n     * // => false\n     */\n    function isObjectLike(value) {\n      return value != null && typeof value == 'object';\n    }\n\n    /**\n     * Checks if `value` is classified as a `Map` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a map, else `false`.\n     * @example\n     *\n     * _.isMap(new Map);\n     * // => true\n     *\n     * _.isMap(new WeakMap);\n     * // => false\n     */\n    var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;\n\n    /**\n     * Performs a partial deep comparison between `object` and `source` to\n     * determine if `object` contains equivalent property values.\n     *\n     * **Note:** This method is equivalent to `_.matches` when `source` is\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2 };\n     *\n     * _.isMatch(object, { 'b': 2 });\n     * // => true\n     *\n     * _.isMatch(object, { 'b': 1 });\n     * // => false\n     */\n    function isMatch(object, source) {\n      return object === source || baseIsMatch(object, source, getMatchData(source));\n    }\n\n    /**\n     * This method is like `_.isMatch` except that it accepts `customizer` which\n     * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n     * are handled by the method instead. The `customizer` is invoked with five\n     * arguments: (objValue, srcValue, index|key, object, source).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {Object} object The object to inspect.\n     * @param {Object} source The object of property values to match.\n     * @param {Function} [customizer] The function to customize comparisons.\n     * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n     * @example\n     *\n     * function isGreeting(value) {\n     *   return /^h(?:i|ello)$/.test(value);\n     * }\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (isGreeting(objValue) && isGreeting(srcValue)) {\n     *     return true;\n     *   }\n     * }\n     *\n     * var object = { 'greeting': 'hello' };\n     * var source = { 'greeting': 'hi' };\n     *\n     * _.isMatchWith(object, source, customizer);\n     * // => true\n     */\n    function isMatchWith(object, source, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return baseIsMatch(object, source, getMatchData(source), customizer);\n    }\n\n    /**\n     * Checks if `value` is `NaN`.\n     *\n     * **Note:** This method is based on\n     * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n     * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n     * `undefined` and other non-number values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n     * @example\n     *\n     * _.isNaN(NaN);\n     * // => true\n     *\n     * _.isNaN(new Number(NaN));\n     * // => true\n     *\n     * isNaN(undefined);\n     * // => true\n     *\n     * _.isNaN(undefined);\n     * // => false\n     */\n    function isNaN(value) {\n      // An `NaN` primitive is the only value that is not equal to itself.\n      // Perform the `toStringTag` check first to avoid errors with some\n      // ActiveX objects in IE.\n      return isNumber(value) && value != +value;\n    }\n\n    /**\n     * Checks if `value` is a pristine native function.\n     *\n     * **Note:** This method can't reliably detect native functions in the presence\n     * of the core-js package because core-js circumvents this kind of detection.\n     * Despite multiple requests, the core-js maintainer has made it clear: any\n     * attempt to fix the detection will be obstructed. As a result, we're left\n     * with little choice but to throw an error. Unfortunately, this also affects\n     * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),\n     * which rely on core-js.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a native function,\n     *  else `false`.\n     * @example\n     *\n     * _.isNative(Array.prototype.push);\n     * // => true\n     *\n     * _.isNative(_);\n     * // => false\n     */\n    function isNative(value) {\n      if (isMaskable(value)) {\n        throw new Error(CORE_ERROR_TEXT);\n      }\n      return baseIsNative(value);\n    }\n\n    /**\n     * Checks if `value` is `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n     * @example\n     *\n     * _.isNull(null);\n     * // => true\n     *\n     * _.isNull(void 0);\n     * // => false\n     */\n    function isNull(value) {\n      return value === null;\n    }\n\n    /**\n     * Checks if `value` is `null` or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n     * @example\n     *\n     * _.isNil(null);\n     * // => true\n     *\n     * _.isNil(void 0);\n     * // => true\n     *\n     * _.isNil(NaN);\n     * // => false\n     */\n    function isNil(value) {\n      return value == null;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Number` primitive or object.\n     *\n     * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n     * classified as numbers, use the `_.isFinite` method.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a number, else `false`.\n     * @example\n     *\n     * _.isNumber(3);\n     * // => true\n     *\n     * _.isNumber(Number.MIN_VALUE);\n     * // => true\n     *\n     * _.isNumber(Infinity);\n     * // => true\n     *\n     * _.isNumber('3');\n     * // => false\n     */\n    function isNumber(value) {\n      return typeof value == 'number' ||\n        (isObjectLike(value) && baseGetTag(value) == numberTag);\n    }\n\n    /**\n     * Checks if `value` is a plain object, that is, an object created by the\n     * `Object` constructor or one with a `[[Prototype]]` of `null`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.8.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * _.isPlainObject(new Foo);\n     * // => false\n     *\n     * _.isPlainObject([1, 2, 3]);\n     * // => false\n     *\n     * _.isPlainObject({ 'x': 0, 'y': 0 });\n     * // => true\n     *\n     * _.isPlainObject(Object.create(null));\n     * // => true\n     */\n    function isPlainObject(value) {\n      if (!isObjectLike(value) || baseGetTag(value) != objectTag) {\n        return false;\n      }\n      var proto = getPrototype(value);\n      if (proto === null) {\n        return true;\n      }\n      var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n      return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n        funcToString.call(Ctor) == objectCtorString;\n    }\n\n    /**\n     * Checks if `value` is classified as a `RegExp` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.1.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.\n     * @example\n     *\n     * _.isRegExp(/abc/);\n     * // => true\n     *\n     * _.isRegExp('/abc/');\n     * // => false\n     */\n    var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;\n\n    /**\n     * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n     * double precision number which isn't the result of a rounded unsafe integer.\n     *\n     * **Note:** This method is based on\n     * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.\n     * @example\n     *\n     * _.isSafeInteger(3);\n     * // => true\n     *\n     * _.isSafeInteger(Number.MIN_VALUE);\n     * // => false\n     *\n     * _.isSafeInteger(Infinity);\n     * // => false\n     *\n     * _.isSafeInteger('3');\n     * // => false\n     */\n    function isSafeInteger(value) {\n      return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n    }\n\n    /**\n     * Checks if `value` is classified as a `Set` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a set, else `false`.\n     * @example\n     *\n     * _.isSet(new Set);\n     * // => true\n     *\n     * _.isSet(new WeakSet);\n     * // => false\n     */\n    var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;\n\n    /**\n     * Checks if `value` is classified as a `String` primitive or object.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a string, else `false`.\n     * @example\n     *\n     * _.isString('abc');\n     * // => true\n     *\n     * _.isString(1);\n     * // => false\n     */\n    function isString(value) {\n      return typeof value == 'string' ||\n        (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a `Symbol` primitive or object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.\n     * @example\n     *\n     * _.isSymbol(Symbol.iterator);\n     * // => true\n     *\n     * _.isSymbol('abc');\n     * // => false\n     */\n    function isSymbol(value) {\n      return typeof value == 'symbol' ||\n        (isObjectLike(value) && baseGetTag(value) == symbolTag);\n    }\n\n    /**\n     * Checks if `value` is classified as a typed array.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.\n     * @example\n     *\n     * _.isTypedArray(new Uint8Array);\n     * // => true\n     *\n     * _.isTypedArray([]);\n     * // => false\n     */\n    var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;\n\n    /**\n     * Checks if `value` is `undefined`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n     * @example\n     *\n     * _.isUndefined(void 0);\n     * // => true\n     *\n     * _.isUndefined(null);\n     * // => false\n     */\n    function isUndefined(value) {\n      return value === undefined;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakMap` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.\n     * @example\n     *\n     * _.isWeakMap(new WeakMap);\n     * // => true\n     *\n     * _.isWeakMap(new Map);\n     * // => false\n     */\n    function isWeakMap(value) {\n      return isObjectLike(value) && getTag(value) == weakMapTag;\n    }\n\n    /**\n     * Checks if `value` is classified as a `WeakSet` object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.3.0\n     * @category Lang\n     * @param {*} value The value to check.\n     * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.\n     * @example\n     *\n     * _.isWeakSet(new WeakSet);\n     * // => true\n     *\n     * _.isWeakSet(new Set);\n     * // => false\n     */\n    function isWeakSet(value) {\n      return isObjectLike(value) && baseGetTag(value) == weakSetTag;\n    }\n\n    /**\n     * Checks if `value` is less than `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than `other`,\n     *  else `false`.\n     * @see _.gt\n     * @example\n     *\n     * _.lt(1, 3);\n     * // => true\n     *\n     * _.lt(3, 3);\n     * // => false\n     *\n     * _.lt(3, 1);\n     * // => false\n     */\n    var lt = createRelationalOperation(baseLt);\n\n    /**\n     * Checks if `value` is less than or equal to `other`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.9.0\n     * @category Lang\n     * @param {*} value The value to compare.\n     * @param {*} other The other value to compare.\n     * @returns {boolean} Returns `true` if `value` is less than or equal to\n     *  `other`, else `false`.\n     * @see _.gte\n     * @example\n     *\n     * _.lte(1, 3);\n     * // => true\n     *\n     * _.lte(3, 3);\n     * // => true\n     *\n     * _.lte(3, 1);\n     * // => false\n     */\n    var lte = createRelationalOperation(function(value, other) {\n      return value <= other;\n    });\n\n    /**\n     * Converts `value` to an array.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the converted array.\n     * @example\n     *\n     * _.toArray({ 'a': 1, 'b': 2 });\n     * // => [1, 2]\n     *\n     * _.toArray('abc');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toArray(1);\n     * // => []\n     *\n     * _.toArray(null);\n     * // => []\n     */\n    function toArray(value) {\n      if (!value) {\n        return [];\n      }\n      if (isArrayLike(value)) {\n        return isString(value) ? stringToArray(value) : copyArray(value);\n      }\n      if (symIterator && value[symIterator]) {\n        return iteratorToArray(value[symIterator]());\n      }\n      var tag = getTag(value),\n          func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\n      return func(value);\n    }\n\n    /**\n     * Converts `value` to a finite number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.12.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted number.\n     * @example\n     *\n     * _.toFinite(3.2);\n     * // => 3.2\n     *\n     * _.toFinite(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toFinite(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toFinite('3.2');\n     * // => 3.2\n     */\n    function toFinite(value) {\n      if (!value) {\n        return value === 0 ? value : 0;\n      }\n      value = toNumber(value);\n      if (value === INFINITY || value === -INFINITY) {\n        var sign = (value < 0 ? -1 : 1);\n        return sign * MAX_INTEGER;\n      }\n      return value === value ? value : 0;\n    }\n\n    /**\n     * Converts `value` to an integer.\n     *\n     * **Note:** This method is loosely based on\n     * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toInteger(3.2);\n     * // => 3\n     *\n     * _.toInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toInteger(Infinity);\n     * // => 1.7976931348623157e+308\n     *\n     * _.toInteger('3.2');\n     * // => 3\n     */\n    function toInteger(value) {\n      var result = toFinite(value),\n          remainder = result % 1;\n\n      return result === result ? (remainder ? result - remainder : result) : 0;\n    }\n\n    /**\n     * Converts `value` to an integer suitable for use as the length of an\n     * array-like object.\n     *\n     * **Note:** This method is based on\n     * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toLength(3.2);\n     * // => 3\n     *\n     * _.toLength(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toLength(Infinity);\n     * // => 4294967295\n     *\n     * _.toLength('3.2');\n     * // => 3\n     */\n    function toLength(value) {\n      return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n    }\n\n    /**\n     * Converts `value` to a number.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to process.\n     * @returns {number} Returns the number.\n     * @example\n     *\n     * _.toNumber(3.2);\n     * // => 3.2\n     *\n     * _.toNumber(Number.MIN_VALUE);\n     * // => 5e-324\n     *\n     * _.toNumber(Infinity);\n     * // => Infinity\n     *\n     * _.toNumber('3.2');\n     * // => 3.2\n     */\n    function toNumber(value) {\n      if (typeof value == 'number') {\n        return value;\n      }\n      if (isSymbol(value)) {\n        return NAN;\n      }\n      if (isObject(value)) {\n        var other = typeof value.valueOf == 'function' ? value.valueOf() : value;\n        value = isObject(other) ? (other + '') : other;\n      }\n      if (typeof value != 'string') {\n        return value === 0 ? value : +value;\n      }\n      value = value.replace(reTrim, '');\n      var isBinary = reIsBinary.test(value);\n      return (isBinary || reIsOctal.test(value))\n        ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n        : (reIsBadHex.test(value) ? NAN : +value);\n    }\n\n    /**\n     * Converts `value` to a plain object flattening inherited enumerable string\n     * keyed properties of `value` to own properties of the plain object.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {Object} Returns the converted plain object.\n     * @example\n     *\n     * function Foo() {\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.assign({ 'a': 1 }, new Foo);\n     * // => { 'a': 1, 'b': 2 }\n     *\n     * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n     * // => { 'a': 1, 'b': 2, 'c': 3 }\n     */\n    function toPlainObject(value) {\n      return copyObject(value, keysIn(value));\n    }\n\n    /**\n     * Converts `value` to a safe integer. A safe integer can be compared and\n     * represented correctly.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.toSafeInteger(3.2);\n     * // => 3\n     *\n     * _.toSafeInteger(Number.MIN_VALUE);\n     * // => 0\n     *\n     * _.toSafeInteger(Infinity);\n     * // => 9007199254740991\n     *\n     * _.toSafeInteger('3.2');\n     * // => 3\n     */\n    function toSafeInteger(value) {\n      return value\n        ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER)\n        : (value === 0 ? value : 0);\n    }\n\n    /**\n     * Converts `value` to a string. An empty string is returned for `null`\n     * and `undefined` values. The sign of `-0` is preserved.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Lang\n     * @param {*} value The value to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.toString(null);\n     * // => ''\n     *\n     * _.toString(-0);\n     * // => '-0'\n     *\n     * _.toString([1, 2, 3]);\n     * // => '1,2,3'\n     */\n    function toString(value) {\n      return value == null ? '' : baseToString(value);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Assigns own enumerable string keyed properties of source objects to the\n     * destination object. Source objects are applied from left to right.\n     * Subsequent sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object` and is loosely based on\n     * [`Object.assign`](https://mdn.io/Object/assign).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assignIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assign({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var assign = createAssigner(function(object, source) {\n      if (isPrototype(source) || isArrayLike(source)) {\n        copyObject(source, keys(source), object);\n        return;\n      }\n      for (var key in source) {\n        if (hasOwnProperty.call(source, key)) {\n          assignValue(object, key, source[key]);\n        }\n      }\n    });\n\n    /**\n     * This method is like `_.assign` except that it iterates over own and\n     * inherited source properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extend\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.assign\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     * }\n     *\n     * function Bar() {\n     *   this.c = 3;\n     * }\n     *\n     * Foo.prototype.b = 2;\n     * Bar.prototype.d = 4;\n     *\n     * _.assignIn({ 'a': 0 }, new Foo, new Bar);\n     * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }\n     */\n    var assignIn = createAssigner(function(object, source) {\n      copyObject(source, keysIn(source), object);\n    });\n\n    /**\n     * This method is like `_.assignIn` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias extendWith\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignInWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keysIn(source), object, customizer);\n    });\n\n    /**\n     * This method is like `_.assign` except that it accepts `customizer`\n     * which is invoked to produce the assigned values. If `customizer` returns\n     * `undefined`, assignment is handled by the method instead. The `customizer`\n     * is invoked with five arguments: (objValue, srcValue, key, object, source).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @see _.assignInWith\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   return _.isUndefined(objValue) ? srcValue : objValue;\n     * }\n     *\n     * var defaults = _.partialRight(_.assignWith, customizer);\n     *\n     * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n      copyObject(source, keys(source), object, customizer);\n    });\n\n    /**\n     * Creates an array of values corresponding to `paths` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Array} Returns the picked values.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n     *\n     * _.at(object, ['a[0].b.c', 'a[1]']);\n     * // => [3, 4]\n     */\n    var at = flatRest(baseAt);\n\n    /**\n     * Creates an object that inherits from the `prototype` object. If a\n     * `properties` object is given, its own enumerable string keyed properties\n     * are assigned to the created object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Object\n     * @param {Object} prototype The object to inherit from.\n     * @param {Object} [properties] The properties to assign to the object.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * function Shape() {\n     *   this.x = 0;\n     *   this.y = 0;\n     * }\n     *\n     * function Circle() {\n     *   Shape.call(this);\n     * }\n     *\n     * Circle.prototype = _.create(Shape.prototype, {\n     *   'constructor': Circle\n     * });\n     *\n     * var circle = new Circle;\n     * circle instanceof Circle;\n     * // => true\n     *\n     * circle instanceof Shape;\n     * // => true\n     */\n    function create(prototype, properties) {\n      var result = baseCreate(prototype);\n      return properties == null ? result : baseAssign(result, properties);\n    }\n\n    /**\n     * Assigns own and inherited enumerable string keyed properties of source\n     * objects to the destination object for all destination properties that\n     * resolve to `undefined`. Source objects are applied from left to right.\n     * Once a property is set, additional values of the same property are ignored.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaultsDeep\n     * @example\n     *\n     * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n     * // => { 'a': 1, 'b': 2 }\n     */\n    var defaults = baseRest(function(args) {\n      args.push(undefined, customDefaultsAssignIn);\n      return apply(assignInWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.defaults` except that it recursively assigns\n     * default properties.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @see _.defaults\n     * @example\n     *\n     * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });\n     * // => { 'a': { 'b': 2, 'c': 3 } }\n     */\n    var defaultsDeep = baseRest(function(args) {\n      args.push(undefined, customDefaultsMerge);\n      return apply(mergeWith, undefined, args);\n    });\n\n    /**\n     * This method is like `_.find` except that it returns the key of the first\n     * element `predicate` returns truthy for instead of the element itself.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findKey(users, function(o) { return o.age < 40; });\n     * // => 'barney' (iteration order is not guaranteed)\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findKey(users, { 'age': 1, 'active': true });\n     * // => 'pebbles'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findKey(users, 'active');\n     * // => 'barney'\n     */\n    function findKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);\n    }\n\n    /**\n     * This method is like `_.findKey` except that it iterates over elements of\n     * a collection in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @param {Function} [predicate=_.identity] The function invoked per iteration.\n     * @returns {string|undefined} Returns the key of the matched element,\n     *  else `undefined`.\n     * @example\n     *\n     * var users = {\n     *   'barney':  { 'age': 36, 'active': true },\n     *   'fred':    { 'age': 40, 'active': false },\n     *   'pebbles': { 'age': 1,  'active': true }\n     * };\n     *\n     * _.findLastKey(users, function(o) { return o.age < 40; });\n     * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.findLastKey(users, { 'age': 36, 'active': true });\n     * // => 'barney'\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.findLastKey(users, ['active', false]);\n     * // => 'fred'\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.findLastKey(users, 'active');\n     * // => 'pebbles'\n     */\n    function findLastKey(object, predicate) {\n      return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);\n    }\n\n    /**\n     * Iterates over own and inherited enumerable string keyed properties of an\n     * object and invokes `iteratee` for each property. The iteratee is invoked\n     * with three arguments: (value, key, object). Iteratee functions may exit\n     * iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forInRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forIn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n     */\n    function forIn(object, iteratee) {\n      return object == null\n        ? object\n        : baseFor(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * This method is like `_.forIn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forInRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n     */\n    function forInRight(object, iteratee) {\n      return object == null\n        ? object\n        : baseForRight(object, getIteratee(iteratee, 3), keysIn);\n    }\n\n    /**\n     * Iterates over own enumerable string keyed properties of an object and\n     * invokes `iteratee` for each property. The iteratee is invoked with three\n     * arguments: (value, key, object). Iteratee functions may exit iteration\n     * early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwnRight\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwn(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n     */\n    function forOwn(object, iteratee) {\n      return object && baseForOwn(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * This method is like `_.forOwn` except that it iterates over properties of\n     * `object` in the opposite order.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.0.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns `object`.\n     * @see _.forOwn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.forOwnRight(new Foo, function(value, key) {\n     *   console.log(key);\n     * });\n     * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n     */\n    function forOwnRight(object, iteratee) {\n      return object && baseForOwnRight(object, getIteratee(iteratee, 3));\n    }\n\n    /**\n     * Creates an array of function property names from own enumerable properties\n     * of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functionsIn\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functions(new Foo);\n     * // => ['a', 'b']\n     */\n    function functions(object) {\n      return object == null ? [] : baseFunctions(object, keys(object));\n    }\n\n    /**\n     * Creates an array of function property names from own and inherited\n     * enumerable properties of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to inspect.\n     * @returns {Array} Returns the function names.\n     * @see _.functions\n     * @example\n     *\n     * function Foo() {\n     *   this.a = _.constant('a');\n     *   this.b = _.constant('b');\n     * }\n     *\n     * Foo.prototype.c = _.constant('c');\n     *\n     * _.functionsIn(new Foo);\n     * // => ['a', 'b', 'c']\n     */\n    function functionsIn(object) {\n      return object == null ? [] : baseFunctions(object, keysIn(object));\n    }\n\n    /**\n     * Gets the value at `path` of `object`. If the resolved value is\n     * `undefined`, the `defaultValue` is returned in its place.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.get(object, 'a[0].b.c');\n     * // => 3\n     *\n     * _.get(object, ['a', '0', 'b', 'c']);\n     * // => 3\n     *\n     * _.get(object, 'a.b.c', 'default');\n     * // => 'default'\n     */\n    function get(object, path, defaultValue) {\n      var result = object == null ? undefined : baseGet(object, path);\n      return result === undefined ? defaultValue : result;\n    }\n\n    /**\n     * Checks if `path` is a direct property of `object`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = { 'a': { 'b': 2 } };\n     * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.has(object, 'a');\n     * // => true\n     *\n     * _.has(object, 'a.b');\n     * // => true\n     *\n     * _.has(object, ['a', 'b']);\n     * // => true\n     *\n     * _.has(other, 'a');\n     * // => false\n     */\n    function has(object, path) {\n      return object != null && hasPath(object, path, baseHas);\n    }\n\n    /**\n     * Checks if `path` is a direct or inherited property of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path to check.\n     * @returns {boolean} Returns `true` if `path` exists, else `false`.\n     * @example\n     *\n     * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n     *\n     * _.hasIn(object, 'a');\n     * // => true\n     *\n     * _.hasIn(object, 'a.b');\n     * // => true\n     *\n     * _.hasIn(object, ['a', 'b']);\n     * // => true\n     *\n     * _.hasIn(object, 'b');\n     * // => false\n     */\n    function hasIn(object, path) {\n      return object != null && hasPath(object, path, baseHasIn);\n    }\n\n    /**\n     * Creates an object composed of the inverted keys and values of `object`.\n     * If `object` contains duplicate values, subsequent values overwrite\n     * property assignments of previous values.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invert(object);\n     * // => { '1': 'c', '2': 'b' }\n     */\n    var invert = createInverter(function(result, value, key) {\n      result[value] = key;\n    }, constant(identity));\n\n    /**\n     * This method is like `_.invert` except that the inverted object is generated\n     * from the results of running each element of `object` thru `iteratee`. The\n     * corresponding inverted value of each inverted key is an array of keys\n     * responsible for generating the inverted value. The iteratee is invoked\n     * with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.1.0\n     * @category Object\n     * @param {Object} object The object to invert.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {Object} Returns the new inverted object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': 2, 'c': 1 };\n     *\n     * _.invertBy(object);\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     *\n     * _.invertBy(object, function(value) {\n     *   return 'group' + value;\n     * });\n     * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n     */\n    var invertBy = createInverter(function(result, value, key) {\n      if (hasOwnProperty.call(result, value)) {\n        result[value].push(key);\n      } else {\n        result[value] = [key];\n      }\n    }, getIteratee);\n\n    /**\n     * Invokes the method at `path` of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {*} Returns the result of the invoked method.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n     *\n     * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n     * // => [2, 3]\n     */\n    var invoke = baseRest(baseInvoke);\n\n    /**\n     * Creates an array of the own enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects. See the\n     * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)\n     * for more details.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keys(new Foo);\n     * // => ['a', 'b'] (iteration order is not guaranteed)\n     *\n     * _.keys('hi');\n     * // => ['0', '1']\n     */\n    function keys(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable property names of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property names.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.keysIn(new Foo);\n     * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n     */\n    function keysIn(object) {\n      return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);\n    }\n\n    /**\n     * The opposite of `_.mapValues`; this method creates an object with the\n     * same values as `object` and keys generated by running each own enumerable\n     * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n     * with three arguments: (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.8.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapValues\n     * @example\n     *\n     * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n     *   return key + value;\n     * });\n     * // => { 'a1': 1, 'b2': 2 }\n     */\n    function mapKeys(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, iteratee(value, key, object), value);\n      });\n      return result;\n    }\n\n    /**\n     * Creates an object with the same keys as `object` and values generated\n     * by running each own enumerable string keyed property of `object` thru\n     * `iteratee`. The iteratee is invoked with three arguments:\n     * (value, key, object).\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Object} Returns the new mapped object.\n     * @see _.mapKeys\n     * @example\n     *\n     * var users = {\n     *   'fred':    { 'user': 'fred',    'age': 40 },\n     *   'pebbles': { 'user': 'pebbles', 'age': 1 }\n     * };\n     *\n     * _.mapValues(users, function(o) { return o.age; });\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.mapValues(users, 'age');\n     * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n     */\n    function mapValues(object, iteratee) {\n      var result = {};\n      iteratee = getIteratee(iteratee, 3);\n\n      baseForOwn(object, function(value, key, object) {\n        baseAssignValue(result, key, iteratee(value, key, object));\n      });\n      return result;\n    }\n\n    /**\n     * This method is like `_.assign` except that it recursively merges own and\n     * inherited enumerable string keyed properties of source objects into the\n     * destination object. Source properties that resolve to `undefined` are\n     * skipped if a destination value exists. Array and plain object properties\n     * are merged recursively. Other objects and value types are overridden by\n     * assignment. Source objects are applied from left to right. Subsequent\n     * sources overwrite property assignments of previous sources.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.5.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} [sources] The source objects.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {\n     *   'a': [{ 'b': 2 }, { 'd': 4 }]\n     * };\n     *\n     * var other = {\n     *   'a': [{ 'c': 3 }, { 'e': 5 }]\n     * };\n     *\n     * _.merge(object, other);\n     * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }\n     */\n    var merge = createAssigner(function(object, source, srcIndex) {\n      baseMerge(object, source, srcIndex);\n    });\n\n    /**\n     * This method is like `_.merge` except that it accepts `customizer` which\n     * is invoked to produce the merged values of the destination and source\n     * properties. If `customizer` returns `undefined`, merging is handled by the\n     * method instead. The `customizer` is invoked with six arguments:\n     * (objValue, srcValue, key, object, source, stack).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The destination object.\n     * @param {...Object} sources The source objects.\n     * @param {Function} customizer The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * function customizer(objValue, srcValue) {\n     *   if (_.isArray(objValue)) {\n     *     return objValue.concat(srcValue);\n     *   }\n     * }\n     *\n     * var object = { 'a': [1], 'b': [2] };\n     * var other = { 'a': [3], 'b': [4] };\n     *\n     * _.mergeWith(object, other, customizer);\n     * // => { 'a': [1, 3], 'b': [2, 4] }\n     */\n    var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n      baseMerge(object, source, srcIndex, customizer);\n    });\n\n    /**\n     * The opposite of `_.pick`; this method creates an object composed of the\n     * own and inherited enumerable property paths of `object` that are not omitted.\n     *\n     * **Note:** This method is considerably slower than `_.pick`.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to omit.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omit(object, ['a', 'c']);\n     * // => { 'b': '2' }\n     */\n    var omit = flatRest(function(object, paths) {\n      var result = {};\n      if (object == null) {\n        return result;\n      }\n      var isDeep = false;\n      paths = arrayMap(paths, function(path) {\n        path = castPath(path, object);\n        isDeep || (isDeep = path.length > 1);\n        return path;\n      });\n      copyObject(object, getAllKeysIn(object), result);\n      if (isDeep) {\n        result = baseClone(result, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);\n      }\n      var length = paths.length;\n      while (length--) {\n        baseUnset(result, paths[length]);\n      }\n      return result;\n    });\n\n    /**\n     * The opposite of `_.pickBy`; this method creates an object composed of\n     * the own and inherited enumerable string keyed properties of `object` that\n     * `predicate` doesn't return truthy for. The predicate is invoked with two\n     * arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.omitBy(object, _.isNumber);\n     * // => { 'b': '2' }\n     */\n    function omitBy(object, predicate) {\n      return pickBy(object, negate(getIteratee(predicate)));\n    }\n\n    /**\n     * Creates an object composed of the picked `object` properties.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {...(string|string[])} [paths] The property paths to pick.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pick(object, ['a', 'c']);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    var pick = flatRest(function(object, paths) {\n      return object == null ? {} : basePick(object, paths);\n    });\n\n    /**\n     * Creates an object composed of the `object` properties `predicate` returns\n     * truthy for. The predicate is invoked with two arguments: (value, key).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The source object.\n     * @param {Function} [predicate=_.identity] The function invoked per property.\n     * @returns {Object} Returns the new object.\n     * @example\n     *\n     * var object = { 'a': 1, 'b': '2', 'c': 3 };\n     *\n     * _.pickBy(object, _.isNumber);\n     * // => { 'a': 1, 'c': 3 }\n     */\n    function pickBy(object, predicate) {\n      if (object == null) {\n        return {};\n      }\n      var props = arrayMap(getAllKeysIn(object), function(prop) {\n        return [prop];\n      });\n      predicate = getIteratee(predicate);\n      return basePickBy(object, props, function(value, path) {\n        return predicate(value, path[0]);\n      });\n    }\n\n    /**\n     * This method is like `_.get` except that if the resolved value is a\n     * function it's invoked with the `this` binding of its parent object and\n     * its result is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @param {Array|string} path The path of the property to resolve.\n     * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n     *\n     * _.result(object, 'a[0].b.c1');\n     * // => 3\n     *\n     * _.result(object, 'a[0].b.c2');\n     * // => 4\n     *\n     * _.result(object, 'a[0].b.c3', 'default');\n     * // => 'default'\n     *\n     * _.result(object, 'a[0].b.c3', _.constant('default'));\n     * // => 'default'\n     */\n    function result(object, path, defaultValue) {\n      path = castPath(path, object);\n\n      var index = -1,\n          length = path.length;\n\n      // Ensure the loop is entered when path is empty.\n      if (!length) {\n        length = 1;\n        object = undefined;\n      }\n      while (++index < length) {\n        var value = object == null ? undefined : object[toKey(path[index])];\n        if (value === undefined) {\n          index = length;\n          value = defaultValue;\n        }\n        object = isFunction(value) ? value.call(object) : value;\n      }\n      return object;\n    }\n\n    /**\n     * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n     * it's created. Arrays are created for missing index properties while objects\n     * are created for all other missing properties. Use `_.setWith` to customize\n     * `path` creation.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.set(object, 'a[0].b.c', 4);\n     * console.log(object.a[0].b.c);\n     * // => 4\n     *\n     * _.set(object, ['x', '0', 'y', 'z'], 5);\n     * console.log(object.x[0].y.z);\n     * // => 5\n     */\n    function set(object, path, value) {\n      return object == null ? object : baseSet(object, path, value);\n    }\n\n    /**\n     * This method is like `_.set` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {*} value The value to set.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.setWith(object, '[0][1]', 'a', Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function setWith(object, path, value, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseSet(object, path, value, customizer);\n    }\n\n    /**\n     * Creates an array of own enumerable string keyed-value pairs for `object`\n     * which can be consumed by `_.fromPairs`. If `object` is a map or set, its\n     * entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entries\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairs(new Foo);\n     * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n     */\n    var toPairs = createToPairs(keys);\n\n    /**\n     * Creates an array of own and inherited enumerable string keyed-value pairs\n     * for `object` which can be consumed by `_.fromPairs`. If `object` is a map\n     * or set, its entries are returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @alias entriesIn\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the key-value pairs.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.toPairsIn(new Foo);\n     * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)\n     */\n    var toPairsIn = createToPairs(keysIn);\n\n    /**\n     * An alternative to `_.reduce`; this method transforms `object` to a new\n     * `accumulator` object which is the result of running each of its own\n     * enumerable string keyed properties thru `iteratee`, with each invocation\n     * potentially mutating the `accumulator` object. If `accumulator` is not\n     * provided, a new object with the same `[[Prototype]]` will be used. The\n     * iteratee is invoked with four arguments: (accumulator, value, key, object).\n     * Iteratee functions may exit iteration early by explicitly returning `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.3.0\n     * @category Object\n     * @param {Object} object The object to iterate over.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @param {*} [accumulator] The custom accumulator value.\n     * @returns {*} Returns the accumulated value.\n     * @example\n     *\n     * _.transform([2, 3, 4], function(result, n) {\n     *   result.push(n *= n);\n     *   return n % 2 == 0;\n     * }, []);\n     * // => [4, 9]\n     *\n     * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n     *   (result[value] || (result[value] = [])).push(key);\n     * }, {});\n     * // => { '1': ['a', 'c'], '2': ['b'] }\n     */\n    function transform(object, iteratee, accumulator) {\n      var isArr = isArray(object),\n          isArrLike = isArr || isBuffer(object) || isTypedArray(object);\n\n      iteratee = getIteratee(iteratee, 4);\n      if (accumulator == null) {\n        var Ctor = object && object.constructor;\n        if (isArrLike) {\n          accumulator = isArr ? new Ctor : [];\n        }\n        else if (isObject(object)) {\n          accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n        }\n        else {\n          accumulator = {};\n        }\n      }\n      (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {\n        return iteratee(accumulator, value, index, object);\n      });\n      return accumulator;\n    }\n\n    /**\n     * Removes the property at `path` of `object`.\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to unset.\n     * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n     * _.unset(object, 'a[0].b.c');\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     *\n     * _.unset(object, ['a', '0', 'b', 'c']);\n     * // => true\n     *\n     * console.log(object);\n     * // => { 'a': [{ 'b': {} }] };\n     */\n    function unset(object, path) {\n      return object == null ? true : baseUnset(object, path);\n    }\n\n    /**\n     * This method is like `_.set` except that accepts `updater` to produce the\n     * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n     * is invoked with one argument: (value).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n     *\n     * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n     * console.log(object.a[0].b.c);\n     * // => 9\n     *\n     * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n     * console.log(object.x[0].y.z);\n     * // => 0\n     */\n    function update(object, path, updater) {\n      return object == null ? object : baseUpdate(object, path, castFunction(updater));\n    }\n\n    /**\n     * This method is like `_.update` except that it accepts `customizer` which is\n     * invoked to produce the objects of `path`.  If `customizer` returns `undefined`\n     * path creation is handled by the method instead. The `customizer` is invoked\n     * with three arguments: (nsValue, key, nsObject).\n     *\n     * **Note:** This method mutates `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.6.0\n     * @category Object\n     * @param {Object} object The object to modify.\n     * @param {Array|string} path The path of the property to set.\n     * @param {Function} updater The function to produce the updated value.\n     * @param {Function} [customizer] The function to customize assigned values.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var object = {};\n     *\n     * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n     * // => { '0': { '1': 'a' } }\n     */\n    function updateWith(object, path, updater, customizer) {\n      customizer = typeof customizer == 'function' ? customizer : undefined;\n      return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);\n    }\n\n    /**\n     * Creates an array of the own enumerable string keyed property values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.values(new Foo);\n     * // => [1, 2] (iteration order is not guaranteed)\n     *\n     * _.values('hi');\n     * // => ['h', 'i']\n     */\n    function values(object) {\n      return object == null ? [] : baseValues(object, keys(object));\n    }\n\n    /**\n     * Creates an array of the own and inherited enumerable string keyed property\n     * values of `object`.\n     *\n     * **Note:** Non-object values are coerced to objects.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Object\n     * @param {Object} object The object to query.\n     * @returns {Array} Returns the array of property values.\n     * @example\n     *\n     * function Foo() {\n     *   this.a = 1;\n     *   this.b = 2;\n     * }\n     *\n     * Foo.prototype.c = 3;\n     *\n     * _.valuesIn(new Foo);\n     * // => [1, 2, 3] (iteration order is not guaranteed)\n     */\n    function valuesIn(object) {\n      return object == null ? [] : baseValues(object, keysIn(object));\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Clamps `number` within the inclusive `lower` and `upper` bounds.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Number\n     * @param {number} number The number to clamp.\n     * @param {number} [lower] The lower bound.\n     * @param {number} upper The upper bound.\n     * @returns {number} Returns the clamped number.\n     * @example\n     *\n     * _.clamp(-10, -5, 5);\n     * // => -5\n     *\n     * _.clamp(10, -5, 5);\n     * // => 5\n     */\n    function clamp(number, lower, upper) {\n      if (upper === undefined) {\n        upper = lower;\n        lower = undefined;\n      }\n      if (upper !== undefined) {\n        upper = toNumber(upper);\n        upper = upper === upper ? upper : 0;\n      }\n      if (lower !== undefined) {\n        lower = toNumber(lower);\n        lower = lower === lower ? lower : 0;\n      }\n      return baseClamp(toNumber(number), lower, upper);\n    }\n\n    /**\n     * Checks if `n` is between `start` and up to, but not including, `end`. If\n     * `end` is not specified, it's set to `start` with `start` then set to `0`.\n     * If `start` is greater than `end` the params are swapped to support\n     * negative ranges.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.3.0\n     * @category Number\n     * @param {number} number The number to check.\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n     * @see _.range, _.rangeRight\n     * @example\n     *\n     * _.inRange(3, 2, 4);\n     * // => true\n     *\n     * _.inRange(4, 8);\n     * // => true\n     *\n     * _.inRange(4, 2);\n     * // => false\n     *\n     * _.inRange(2, 2);\n     * // => false\n     *\n     * _.inRange(1.2, 2);\n     * // => true\n     *\n     * _.inRange(5.2, 4);\n     * // => false\n     *\n     * _.inRange(-3, -2, -6);\n     * // => true\n     */\n    function inRange(number, start, end) {\n      start = toFinite(start);\n      if (end === undefined) {\n        end = start;\n        start = 0;\n      } else {\n        end = toFinite(end);\n      }\n      number = toNumber(number);\n      return baseInRange(number, start, end);\n    }\n\n    /**\n     * Produces a random number between the inclusive `lower` and `upper` bounds.\n     * If only one argument is provided a number between `0` and the given number\n     * is returned. If `floating` is `true`, or either `lower` or `upper` are\n     * floats, a floating-point number is returned instead of an integer.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @memberOf _\n     * @since 0.7.0\n     * @category Number\n     * @param {number} [lower=0] The lower bound.\n     * @param {number} [upper=1] The upper bound.\n     * @param {boolean} [floating] Specify returning a floating-point number.\n     * @returns {number} Returns the random number.\n     * @example\n     *\n     * _.random(0, 5);\n     * // => an integer between 0 and 5\n     *\n     * _.random(5);\n     * // => also an integer between 0 and 5\n     *\n     * _.random(5, true);\n     * // => a floating-point number between 0 and 5\n     *\n     * _.random(1.2, 5.2);\n     * // => a floating-point number between 1.2 and 5.2\n     */\n    function random(lower, upper, floating) {\n      if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n        upper = floating = undefined;\n      }\n      if (floating === undefined) {\n        if (typeof upper == 'boolean') {\n          floating = upper;\n          upper = undefined;\n        }\n        else if (typeof lower == 'boolean') {\n          floating = lower;\n          lower = undefined;\n        }\n      }\n      if (lower === undefined && upper === undefined) {\n        lower = 0;\n        upper = 1;\n      }\n      else {\n        lower = toFinite(lower);\n        if (upper === undefined) {\n          upper = lower;\n          lower = 0;\n        } else {\n          upper = toFinite(upper);\n        }\n      }\n      if (lower > upper) {\n        var temp = lower;\n        lower = upper;\n        upper = temp;\n      }\n      if (floating || lower % 1 || upper % 1) {\n        var rand = nativeRandom();\n        return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n      }\n      return baseRandom(lower, upper);\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the camel cased string.\n     * @example\n     *\n     * _.camelCase('Foo Bar');\n     * // => 'fooBar'\n     *\n     * _.camelCase('--foo-bar--');\n     * // => 'fooBar'\n     *\n     * _.camelCase('__FOO_BAR__');\n     * // => 'fooBar'\n     */\n    var camelCase = createCompounder(function(result, word, index) {\n      word = word.toLowerCase();\n      return result + (index ? capitalize(word) : word);\n    });\n\n    /**\n     * Converts the first character of `string` to upper case and the remaining\n     * to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to capitalize.\n     * @returns {string} Returns the capitalized string.\n     * @example\n     *\n     * _.capitalize('FRED');\n     * // => 'Fred'\n     */\n    function capitalize(string) {\n      return upperFirst(toString(string).toLowerCase());\n    }\n\n    /**\n     * Deburrs `string` by converting\n     * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n     * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)\n     * letters to basic Latin letters and removing\n     * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to deburr.\n     * @returns {string} Returns the deburred string.\n     * @example\n     *\n     * _.deburr('déjà vu');\n     * // => 'deja vu'\n     */\n    function deburr(string) {\n      string = toString(string);\n      return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');\n    }\n\n    /**\n     * Checks if `string` ends with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=string.length] The position to search up to.\n     * @returns {boolean} Returns `true` if `string` ends with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.endsWith('abc', 'c');\n     * // => true\n     *\n     * _.endsWith('abc', 'b');\n     * // => false\n     *\n     * _.endsWith('abc', 'b', 2);\n     * // => true\n     */\n    function endsWith(string, target, position) {\n      string = toString(string);\n      target = baseToString(target);\n\n      var length = string.length;\n      position = position === undefined\n        ? length\n        : baseClamp(toInteger(position), 0, length);\n\n      var end = position;\n      position -= target.length;\n      return position >= 0 && string.slice(position, end) == target;\n    }\n\n    /**\n     * Converts the characters \"&\", \"<\", \">\", '\"', and \"'\" in `string` to their\n     * corresponding HTML entities.\n     *\n     * **Note:** No other characters are escaped. To escape additional\n     * characters use a third-party library like [_he_](https://mths.be/he).\n     *\n     * Though the \">\" character is escaped for symmetry, characters like\n     * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n     * unless they're part of a tag or unquoted attribute value. See\n     * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n     * (under \"semi-related fun fact\") for more details.\n     *\n     * When working with HTML you should always\n     * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n     * XSS vectors.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escape('fred, barney, & pebbles');\n     * // => 'fred, barney, &amp; pebbles'\n     */\n    function escape(string) {\n      string = toString(string);\n      return (string && reHasUnescapedHtml.test(string))\n        ? string.replace(reUnescapedHtml, escapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n     * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to escape.\n     * @returns {string} Returns the escaped string.\n     * @example\n     *\n     * _.escapeRegExp('[lodash](https://lodash.com/)');\n     * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n     */\n    function escapeRegExp(string) {\n      string = toString(string);\n      return (string && reHasRegExpChar.test(string))\n        ? string.replace(reRegExpChar, '\\\\$&')\n        : string;\n    }\n\n    /**\n     * Converts `string` to\n     * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the kebab cased string.\n     * @example\n     *\n     * _.kebabCase('Foo Bar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('fooBar');\n     * // => 'foo-bar'\n     *\n     * _.kebabCase('__FOO_BAR__');\n     * // => 'foo-bar'\n     */\n    var kebabCase = createCompounder(function(result, word, index) {\n      return result + (index ? '-' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts `string`, as space separated words, to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.lowerCase('--Foo-Bar--');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('fooBar');\n     * // => 'foo bar'\n     *\n     * _.lowerCase('__FOO_BAR__');\n     * // => 'foo bar'\n     */\n    var lowerCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Converts the first character of `string` to lower case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.lowerFirst('Fred');\n     * // => 'fred'\n     *\n     * _.lowerFirst('FRED');\n     * // => 'fRED'\n     */\n    var lowerFirst = createCaseFirst('toLowerCase');\n\n    /**\n     * Pads `string` on the left and right sides if it's shorter than `length`.\n     * Padding characters are truncated if they can't be evenly divided by `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.pad('abc', 8);\n     * // => '  abc   '\n     *\n     * _.pad('abc', 8, '_-');\n     * // => '_-abc_-_'\n     *\n     * _.pad('abc', 3);\n     * // => 'abc'\n     */\n    function pad(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      if (!length || strLength >= length) {\n        return string;\n      }\n      var mid = (length - strLength) / 2;\n      return (\n        createPadding(nativeFloor(mid), chars) +\n        string +\n        createPadding(nativeCeil(mid), chars)\n      );\n    }\n\n    /**\n     * Pads `string` on the right side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padEnd('abc', 6);\n     * // => 'abc   '\n     *\n     * _.padEnd('abc', 6, '_-');\n     * // => 'abc_-_'\n     *\n     * _.padEnd('abc', 3);\n     * // => 'abc'\n     */\n    function padEnd(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (string + createPadding(length - strLength, chars))\n        : string;\n    }\n\n    /**\n     * Pads `string` on the left side if it's shorter than `length`. Padding\n     * characters are truncated if they exceed `length`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to pad.\n     * @param {number} [length=0] The padding length.\n     * @param {string} [chars=' '] The string used as padding.\n     * @returns {string} Returns the padded string.\n     * @example\n     *\n     * _.padStart('abc', 6);\n     * // => '   abc'\n     *\n     * _.padStart('abc', 6, '_-');\n     * // => '_-_abc'\n     *\n     * _.padStart('abc', 3);\n     * // => 'abc'\n     */\n    function padStart(string, length, chars) {\n      string = toString(string);\n      length = toInteger(length);\n\n      var strLength = length ? stringSize(string) : 0;\n      return (length && strLength < length)\n        ? (createPadding(length - strLength, chars) + string)\n        : string;\n    }\n\n    /**\n     * Converts `string` to an integer of the specified radix. If `radix` is\n     * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n     * hexadecimal, in which case a `radix` of `16` is used.\n     *\n     * **Note:** This method aligns with the\n     * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n     *\n     * @static\n     * @memberOf _\n     * @since 1.1.0\n     * @category String\n     * @param {string} string The string to convert.\n     * @param {number} [radix=10] The radix to interpret `value` by.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {number} Returns the converted integer.\n     * @example\n     *\n     * _.parseInt('08');\n     * // => 8\n     *\n     * _.map(['6', '08', '10'], _.parseInt);\n     * // => [6, 8, 10]\n     */\n    function parseInt(string, radix, guard) {\n      if (guard || radix == null) {\n        radix = 0;\n      } else if (radix) {\n        radix = +radix;\n      }\n      return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);\n    }\n\n    /**\n     * Repeats the given string `n` times.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to repeat.\n     * @param {number} [n=1] The number of times to repeat the string.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the repeated string.\n     * @example\n     *\n     * _.repeat('*', 3);\n     * // => '***'\n     *\n     * _.repeat('abc', 2);\n     * // => 'abcabc'\n     *\n     * _.repeat('abc', 0);\n     * // => ''\n     */\n    function repeat(string, n, guard) {\n      if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {\n        n = 1;\n      } else {\n        n = toInteger(n);\n      }\n      return baseRepeat(toString(string), n);\n    }\n\n    /**\n     * Replaces matches for `pattern` in `string` with `replacement`.\n     *\n     * **Note:** This method is based on\n     * [`String#replace`](https://mdn.io/String/replace).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to modify.\n     * @param {RegExp|string} pattern The pattern to replace.\n     * @param {Function|string} replacement The match replacement.\n     * @returns {string} Returns the modified string.\n     * @example\n     *\n     * _.replace('Hi Fred', 'Fred', 'Barney');\n     * // => 'Hi Barney'\n     */\n    function replace() {\n      var args = arguments,\n          string = toString(args[0]);\n\n      return args.length < 3 ? string : string.replace(args[1], args[2]);\n    }\n\n    /**\n     * Converts `string` to\n     * [snake case](https://en.wikipedia.org/wiki/Snake_case).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the snake cased string.\n     * @example\n     *\n     * _.snakeCase('Foo Bar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('fooBar');\n     * // => 'foo_bar'\n     *\n     * _.snakeCase('--FOO-BAR--');\n     * // => 'foo_bar'\n     */\n    var snakeCase = createCompounder(function(result, word, index) {\n      return result + (index ? '_' : '') + word.toLowerCase();\n    });\n\n    /**\n     * Splits `string` by `separator`.\n     *\n     * **Note:** This method is based on\n     * [`String#split`](https://mdn.io/String/split).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to split.\n     * @param {RegExp|string} separator The separator pattern to split by.\n     * @param {number} [limit] The length to truncate results to.\n     * @returns {Array} Returns the string segments.\n     * @example\n     *\n     * _.split('a-b-c', '-', 2);\n     * // => ['a', 'b']\n     */\n    function split(string, separator, limit) {\n      if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {\n        separator = limit = undefined;\n      }\n      limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;\n      if (!limit) {\n        return [];\n      }\n      string = toString(string);\n      if (string && (\n            typeof separator == 'string' ||\n            (separator != null && !isRegExp(separator))\n          )) {\n        separator = baseToString(separator);\n        if (!separator && hasUnicode(string)) {\n          return castSlice(stringToArray(string), 0, limit);\n        }\n      }\n      return string.split(separator, limit);\n    }\n\n    /**\n     * Converts `string` to\n     * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).\n     *\n     * @static\n     * @memberOf _\n     * @since 3.1.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the start cased string.\n     * @example\n     *\n     * _.startCase('--foo-bar--');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('fooBar');\n     * // => 'Foo Bar'\n     *\n     * _.startCase('__FOO_BAR__');\n     * // => 'FOO BAR'\n     */\n    var startCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + upperFirst(word);\n    });\n\n    /**\n     * Checks if `string` starts with the given target string.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {string} [target] The string to search for.\n     * @param {number} [position=0] The position to search from.\n     * @returns {boolean} Returns `true` if `string` starts with `target`,\n     *  else `false`.\n     * @example\n     *\n     * _.startsWith('abc', 'a');\n     * // => true\n     *\n     * _.startsWith('abc', 'b');\n     * // => false\n     *\n     * _.startsWith('abc', 'b', 1);\n     * // => true\n     */\n    function startsWith(string, target, position) {\n      string = toString(string);\n      position = position == null\n        ? 0\n        : baseClamp(toInteger(position), 0, string.length);\n\n      target = baseToString(target);\n      return string.slice(position, position + target.length) == target;\n    }\n\n    /**\n     * Creates a compiled template function that can interpolate data properties\n     * in \"interpolate\" delimiters, HTML-escape interpolated data properties in\n     * \"escape\" delimiters, and execute JavaScript in \"evaluate\" delimiters. Data\n     * properties may be accessed as free variables in the template. If a setting\n     * object is given, it takes precedence over `_.templateSettings` values.\n     *\n     * **Note:** In the development build `_.template` utilizes\n     * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)\n     * for easier debugging.\n     *\n     * For more information on precompiling templates see\n     * [lodash's custom builds documentation](https://lodash.com/custom-builds).\n     *\n     * For more information on Chrome extension sandboxes see\n     * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category String\n     * @param {string} [string=''] The template string.\n     * @param {Object} [options={}] The options object.\n     * @param {RegExp} [options.escape=_.templateSettings.escape]\n     *  The HTML \"escape\" delimiter.\n     * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]\n     *  The \"evaluate\" delimiter.\n     * @param {Object} [options.imports=_.templateSettings.imports]\n     *  An object to import into the template as free variables.\n     * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]\n     *  The \"interpolate\" delimiter.\n     * @param {string} [options.sourceURL='lodash.templateSources[n]']\n     *  The sourceURL of the compiled template.\n     * @param {string} [options.variable='obj']\n     *  The data object variable name.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Function} Returns the compiled template function.\n     * @example\n     *\n     * // Use the \"interpolate\" delimiter to create a compiled template.\n     * var compiled = _.template('hello <%= user %>!');\n     * compiled({ 'user': 'fred' });\n     * // => 'hello fred!'\n     *\n     * // Use the HTML \"escape\" delimiter to escape data property values.\n     * var compiled = _.template('<b><%- value %></b>');\n     * compiled({ 'value': '<script>' });\n     * // => '<b>&lt;script&gt;</b>'\n     *\n     * // Use the \"evaluate\" delimiter to execute JavaScript and generate HTML.\n     * var compiled = _.template('<% _.forEach(users, function(user) { %><li><%- user %></li><% }); %>');\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the internal `print` function in \"evaluate\" delimiters.\n     * var compiled = _.template('<% print(\"hello \" + user); %>!');\n     * compiled({ 'user': 'barney' });\n     * // => 'hello barney!'\n     *\n     * // Use the ES template literal delimiter as an \"interpolate\" delimiter.\n     * // Disable support by replacing the \"interpolate\" delimiter.\n     * var compiled = _.template('hello ${ user }!');\n     * compiled({ 'user': 'pebbles' });\n     * // => 'hello pebbles!'\n     *\n     * // Use backslashes to treat delimiters as plain text.\n     * var compiled = _.template('<%= \"\\\\<%- value %\\\\>\" %>');\n     * compiled({ 'value': 'ignored' });\n     * // => '<%- value %>'\n     *\n     * // Use the `imports` option to import `jQuery` as `jq`.\n     * var text = '<% jq.each(users, function(user) { %><li><%- user %></li><% }); %>';\n     * var compiled = _.template(text, { 'imports': { 'jq': jQuery } });\n     * compiled({ 'users': ['fred', 'barney'] });\n     * // => '<li>fred</li><li>barney</li>'\n     *\n     * // Use the `sourceURL` option to specify a custom sourceURL for the template.\n     * var compiled = _.template('hello <%= user %>!', { 'sourceURL': '/basic/greeting.jst' });\n     * compiled(data);\n     * // => Find the source of \"greeting.jst\" under the Sources tab or Resources panel of the web inspector.\n     *\n     * // Use the `variable` option to ensure a with-statement isn't used in the compiled template.\n     * var compiled = _.template('hi <%= data.user %>!', { 'variable': 'data' });\n     * compiled.source;\n     * // => function(data) {\n     * //   var __t, __p = '';\n     * //   __p += 'hi ' + ((__t = ( data.user )) == null ? '' : __t) + '!';\n     * //   return __p;\n     * // }\n     *\n     * // Use custom template delimiters.\n     * _.templateSettings.interpolate = /{{([\\s\\S]+?)}}/g;\n     * var compiled = _.template('hello {{ user }}!');\n     * compiled({ 'user': 'mustache' });\n     * // => 'hello mustache!'\n     *\n     * // Use the `source` property to inline compiled templates for meaningful\n     * // line numbers in error messages and stack traces.\n     * fs.writeFileSync(path.join(process.cwd(), 'jst.js'), '\\\n     *   var JST = {\\\n     *     \"main\": ' + _.template(mainText).source + '\\\n     *   };\\\n     * ');\n     */\n    function template(string, options, guard) {\n      // Based on John Resig's `tmpl` implementation\n      // (http://ejohn.org/blog/javascript-micro-templating/)\n      // and Laura Doktorova's doT.js (https://github.com/olado/doT).\n      var settings = lodash.templateSettings;\n\n      if (guard && isIterateeCall(string, options, guard)) {\n        options = undefined;\n      }\n      string = toString(string);\n      options = assignInWith({}, options, settings, customDefaultsAssignIn);\n\n      var imports = assignInWith({}, options.imports, settings.imports, customDefaultsAssignIn),\n          importsKeys = keys(imports),\n          importsValues = baseValues(imports, importsKeys);\n\n      var isEscaping,\n          isEvaluating,\n          index = 0,\n          interpolate = options.interpolate || reNoMatch,\n          source = \"__p += '\";\n\n      // Compile the regexp to match each delimiter.\n      var reDelimiters = RegExp(\n        (options.escape || reNoMatch).source + '|' +\n        interpolate.source + '|' +\n        (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + '|' +\n        (options.evaluate || reNoMatch).source + '|$'\n      , 'g');\n\n      // Use a sourceURL for easier debugging.\n      var sourceURL = '//# sourceURL=' +\n        ('sourceURL' in options\n          ? options.sourceURL\n          : ('lodash.templateSources[' + (++templateCounter) + ']')\n        ) + '\\n';\n\n      string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {\n        interpolateValue || (interpolateValue = esTemplateValue);\n\n        // Escape characters that can't be included in string literals.\n        source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);\n\n        // Replace delimiters with snippets.\n        if (escapeValue) {\n          isEscaping = true;\n          source += \"' +\\n__e(\" + escapeValue + \") +\\n'\";\n        }\n        if (evaluateValue) {\n          isEvaluating = true;\n          source += \"';\\n\" + evaluateValue + \";\\n__p += '\";\n        }\n        if (interpolateValue) {\n          source += \"' +\\n((__t = (\" + interpolateValue + \")) == null ? '' : __t) +\\n'\";\n        }\n        index = offset + match.length;\n\n        // The JS engine embedded in Adobe products needs `match` returned in\n        // order to produce the correct `offset` value.\n        return match;\n      });\n\n      source += \"';\\n\";\n\n      // If `variable` is not specified wrap a with-statement around the generated\n      // code to add the data object to the top of the scope chain.\n      var variable = options.variable;\n      if (!variable) {\n        source = 'with (obj) {\\n' + source + '\\n}\\n';\n      }\n      // Cleanup code by stripping empty strings.\n      source = (isEvaluating ? source.replace(reEmptyStringLeading, '') : source)\n        .replace(reEmptyStringMiddle, '$1')\n        .replace(reEmptyStringTrailing, '$1;');\n\n      // Frame code as the function body.\n      source = 'function(' + (variable || 'obj') + ') {\\n' +\n        (variable\n          ? ''\n          : 'obj || (obj = {});\\n'\n        ) +\n        \"var __t, __p = ''\" +\n        (isEscaping\n           ? ', __e = _.escape'\n           : ''\n        ) +\n        (isEvaluating\n          ? ', __j = Array.prototype.join;\\n' +\n            \"function print() { __p += __j.call(arguments, '') }\\n\"\n          : ';\\n'\n        ) +\n        source +\n        'return __p\\n}';\n\n      var result = attempt(function() {\n        return Function(importsKeys, sourceURL + 'return ' + source)\n          .apply(undefined, importsValues);\n      });\n\n      // Provide the compiled function's source by its `toString` method or\n      // the `source` property as a convenience for inlining compiled templates.\n      result.source = source;\n      if (isError(result)) {\n        throw result;\n      }\n      return result;\n    }\n\n    /**\n     * Converts `string`, as a whole, to lower case just like\n     * [String#toLowerCase](https://mdn.io/toLowerCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the lower cased string.\n     * @example\n     *\n     * _.toLower('--Foo-Bar--');\n     * // => '--foo-bar--'\n     *\n     * _.toLower('fooBar');\n     * // => 'foobar'\n     *\n     * _.toLower('__FOO_BAR__');\n     * // => '__foo_bar__'\n     */\n    function toLower(value) {\n      return toString(value).toLowerCase();\n    }\n\n    /**\n     * Converts `string`, as a whole, to upper case just like\n     * [String#toUpperCase](https://mdn.io/toUpperCase).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.toUpper('--foo-bar--');\n     * // => '--FOO-BAR--'\n     *\n     * _.toUpper('fooBar');\n     * // => 'FOOBAR'\n     *\n     * _.toUpper('__foo_bar__');\n     * // => '__FOO_BAR__'\n     */\n    function toUpper(value) {\n      return toString(value).toUpperCase();\n    }\n\n    /**\n     * Removes leading and trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trim('  abc  ');\n     * // => 'abc'\n     *\n     * _.trim('-_-abc-_-', '_-');\n     * // => 'abc'\n     *\n     * _.map(['  foo  ', '  bar  '], _.trim);\n     * // => ['foo', 'bar']\n     */\n    function trim(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrim, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          chrSymbols = stringToArray(chars),\n          start = charsStartIndex(strSymbols, chrSymbols),\n          end = charsEndIndex(strSymbols, chrSymbols) + 1;\n\n      return castSlice(strSymbols, start, end).join('');\n    }\n\n    /**\n     * Removes trailing whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimEnd('  abc  ');\n     * // => '  abc'\n     *\n     * _.trimEnd('-_-abc-_-', '_-');\n     * // => '-_-abc'\n     */\n    function trimEnd(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimEnd, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;\n\n      return castSlice(strSymbols, 0, end).join('');\n    }\n\n    /**\n     * Removes leading whitespace or specified characters from `string`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to trim.\n     * @param {string} [chars=whitespace] The characters to trim.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {string} Returns the trimmed string.\n     * @example\n     *\n     * _.trimStart('  abc  ');\n     * // => 'abc  '\n     *\n     * _.trimStart('-_-abc-_-', '_-');\n     * // => 'abc-_-'\n     */\n    function trimStart(string, chars, guard) {\n      string = toString(string);\n      if (string && (guard || chars === undefined)) {\n        return string.replace(reTrimStart, '');\n      }\n      if (!string || !(chars = baseToString(chars))) {\n        return string;\n      }\n      var strSymbols = stringToArray(string),\n          start = charsStartIndex(strSymbols, stringToArray(chars));\n\n      return castSlice(strSymbols, start).join('');\n    }\n\n    /**\n     * Truncates `string` if it's longer than the given maximum string length.\n     * The last characters of the truncated string are replaced with the omission\n     * string which defaults to \"...\".\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to truncate.\n     * @param {Object} [options={}] The options object.\n     * @param {number} [options.length=30] The maximum string length.\n     * @param {string} [options.omission='...'] The string to indicate text is omitted.\n     * @param {RegExp|string} [options.separator] The separator pattern to truncate to.\n     * @returns {string} Returns the truncated string.\n     * @example\n     *\n     * _.truncate('hi-diddly-ho there, neighborino');\n     * // => 'hi-diddly-ho there, neighbo...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': ' '\n     * });\n     * // => 'hi-diddly-ho there,...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'length': 24,\n     *   'separator': /,? +/\n     * });\n     * // => 'hi-diddly-ho there...'\n     *\n     * _.truncate('hi-diddly-ho there, neighborino', {\n     *   'omission': ' [...]'\n     * });\n     * // => 'hi-diddly-ho there, neig [...]'\n     */\n    function truncate(string, options) {\n      var length = DEFAULT_TRUNC_LENGTH,\n          omission = DEFAULT_TRUNC_OMISSION;\n\n      if (isObject(options)) {\n        var separator = 'separator' in options ? options.separator : separator;\n        length = 'length' in options ? toInteger(options.length) : length;\n        omission = 'omission' in options ? baseToString(options.omission) : omission;\n      }\n      string = toString(string);\n\n      var strLength = string.length;\n      if (hasUnicode(string)) {\n        var strSymbols = stringToArray(string);\n        strLength = strSymbols.length;\n      }\n      if (length >= strLength) {\n        return string;\n      }\n      var end = length - stringSize(omission);\n      if (end < 1) {\n        return omission;\n      }\n      var result = strSymbols\n        ? castSlice(strSymbols, 0, end).join('')\n        : string.slice(0, end);\n\n      if (separator === undefined) {\n        return result + omission;\n      }\n      if (strSymbols) {\n        end += (result.length - end);\n      }\n      if (isRegExp(separator)) {\n        if (string.slice(end).search(separator)) {\n          var match,\n              substring = result;\n\n          if (!separator.global) {\n            separator = RegExp(separator.source, toString(reFlags.exec(separator)) + 'g');\n          }\n          separator.lastIndex = 0;\n          while ((match = separator.exec(substring))) {\n            var newEnd = match.index;\n          }\n          result = result.slice(0, newEnd === undefined ? end : newEnd);\n        }\n      } else if (string.indexOf(baseToString(separator), end) != end) {\n        var index = result.lastIndexOf(separator);\n        if (index > -1) {\n          result = result.slice(0, index);\n        }\n      }\n      return result + omission;\n    }\n\n    /**\n     * The inverse of `_.escape`; this method converts the HTML entities\n     * `&amp;`, `&lt;`, `&gt;`, `&quot;`, and `&#39;` in `string` to\n     * their corresponding characters.\n     *\n     * **Note:** No other HTML entities are unescaped. To unescape additional\n     * HTML entities use a third-party library like [_he_](https://mths.be/he).\n     *\n     * @static\n     * @memberOf _\n     * @since 0.6.0\n     * @category String\n     * @param {string} [string=''] The string to unescape.\n     * @returns {string} Returns the unescaped string.\n     * @example\n     *\n     * _.unescape('fred, barney, &amp; pebbles');\n     * // => 'fred, barney, & pebbles'\n     */\n    function unescape(string) {\n      string = toString(string);\n      return (string && reHasEscapedHtml.test(string))\n        ? string.replace(reEscapedHtml, unescapeHtmlChar)\n        : string;\n    }\n\n    /**\n     * Converts `string`, as space separated words, to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the upper cased string.\n     * @example\n     *\n     * _.upperCase('--foo-bar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('fooBar');\n     * // => 'FOO BAR'\n     *\n     * _.upperCase('__foo_bar__');\n     * // => 'FOO BAR'\n     */\n    var upperCase = createCompounder(function(result, word, index) {\n      return result + (index ? ' ' : '') + word.toUpperCase();\n    });\n\n    /**\n     * Converts the first character of `string` to upper case.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category String\n     * @param {string} [string=''] The string to convert.\n     * @returns {string} Returns the converted string.\n     * @example\n     *\n     * _.upperFirst('fred');\n     * // => 'Fred'\n     *\n     * _.upperFirst('FRED');\n     * // => 'FRED'\n     */\n    var upperFirst = createCaseFirst('toUpperCase');\n\n    /**\n     * Splits `string` into an array of its words.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category String\n     * @param {string} [string=''] The string to inspect.\n     * @param {RegExp|string} [pattern] The pattern to match words.\n     * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n     * @returns {Array} Returns the words of `string`.\n     * @example\n     *\n     * _.words('fred, barney, & pebbles');\n     * // => ['fred', 'barney', 'pebbles']\n     *\n     * _.words('fred, barney, & pebbles', /[^, ]+/g);\n     * // => ['fred', 'barney', '&', 'pebbles']\n     */\n    function words(string, pattern, guard) {\n      string = toString(string);\n      pattern = guard ? undefined : pattern;\n\n      if (pattern === undefined) {\n        return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);\n      }\n      return string.match(pattern) || [];\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Attempts to invoke `func`, returning either the result or the caught error\n     * object. Any additional arguments are provided to `func` when it's invoked.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Function} func The function to attempt.\n     * @param {...*} [args] The arguments to invoke `func` with.\n     * @returns {*} Returns the `func` result or error object.\n     * @example\n     *\n     * // Avoid throwing errors for invalid selectors.\n     * var elements = _.attempt(function(selector) {\n     *   return document.querySelectorAll(selector);\n     * }, '>_>');\n     *\n     * if (_.isError(elements)) {\n     *   elements = [];\n     * }\n     */\n    var attempt = baseRest(function(func, args) {\n      try {\n        return apply(func, undefined, args);\n      } catch (e) {\n        return isError(e) ? e : new Error(e);\n      }\n    });\n\n    /**\n     * Binds methods of an object to the object itself, overwriting the existing\n     * method.\n     *\n     * **Note:** This method doesn't set the \"length\" property of bound functions.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Object} object The object to bind and assign the bound methods to.\n     * @param {...(string|string[])} methodNames The object method names to bind.\n     * @returns {Object} Returns `object`.\n     * @example\n     *\n     * var view = {\n     *   'label': 'docs',\n     *   'click': function() {\n     *     console.log('clicked ' + this.label);\n     *   }\n     * };\n     *\n     * _.bindAll(view, ['click']);\n     * jQuery(element).on('click', view.click);\n     * // => Logs 'clicked docs' when clicked.\n     */\n    var bindAll = flatRest(function(object, methodNames) {\n      arrayEach(methodNames, function(key) {\n        key = toKey(key);\n        baseAssignValue(object, key, bind(object[key], object));\n      });\n      return object;\n    });\n\n    /**\n     * Creates a function that iterates over `pairs` and invokes the corresponding\n     * function of the first predicate to return truthy. The predicate-function\n     * pairs are invoked with the `this` binding and arguments of the created\n     * function.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Array} pairs The predicate-function pairs.\n     * @returns {Function} Returns the new composite function.\n     * @example\n     *\n     * var func = _.cond([\n     *   [_.matches({ 'a': 1 }),           _.constant('matches A')],\n     *   [_.conforms({ 'b': _.isNumber }), _.constant('matches B')],\n     *   [_.stubTrue,                      _.constant('no match')]\n     * ]);\n     *\n     * func({ 'a': 1, 'b': 2 });\n     * // => 'matches A'\n     *\n     * func({ 'a': 0, 'b': 1 });\n     * // => 'matches B'\n     *\n     * func({ 'a': '1', 'b': '2' });\n     * // => 'no match'\n     */\n    function cond(pairs) {\n      var length = pairs == null ? 0 : pairs.length,\n          toIteratee = getIteratee();\n\n      pairs = !length ? [] : arrayMap(pairs, function(pair) {\n        if (typeof pair[1] != 'function') {\n          throw new TypeError(FUNC_ERROR_TEXT);\n        }\n        return [toIteratee(pair[0]), pair[1]];\n      });\n\n      return baseRest(function(args) {\n        var index = -1;\n        while (++index < length) {\n          var pair = pairs[index];\n          if (apply(pair[0], this, args)) {\n            return apply(pair[1], this, args);\n          }\n        }\n      });\n    }\n\n    /**\n     * Creates a function that invokes the predicate properties of `source` with\n     * the corresponding property values of a given object, returning `true` if\n     * all predicates return truthy, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.conformsTo` with\n     * `source` partially applied.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {Object} source The object of property predicates to conform to.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 2, 'b': 1 },\n     *   { 'a': 1, 'b': 2 }\n     * ];\n     *\n     * _.filter(objects, _.conforms({ 'b': function(n) { return n > 1; } }));\n     * // => [{ 'a': 1, 'b': 2 }]\n     */\n    function conforms(source) {\n      return baseConforms(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that returns `value`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {*} value The value to return from the new function.\n     * @returns {Function} Returns the new constant function.\n     * @example\n     *\n     * var objects = _.times(2, _.constant({ 'a': 1 }));\n     *\n     * console.log(objects);\n     * // => [{ 'a': 1 }, { 'a': 1 }]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => true\n     */\n    function constant(value) {\n      return function() {\n        return value;\n      };\n    }\n\n    /**\n     * Checks `value` to determine whether a default value should be returned in\n     * its place. The `defaultValue` is returned if `value` is `NaN`, `null`,\n     * or `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.14.0\n     * @category Util\n     * @param {*} value The value to check.\n     * @param {*} defaultValue The default value.\n     * @returns {*} Returns the resolved value.\n     * @example\n     *\n     * _.defaultTo(1, 10);\n     * // => 1\n     *\n     * _.defaultTo(undefined, 10);\n     * // => 10\n     */\n    function defaultTo(value, defaultValue) {\n      return (value == null || value !== value) ? defaultValue : value;\n    }\n\n    /**\n     * Creates a function that returns the result of invoking the given functions\n     * with the `this` binding of the created function, where each successive\n     * invocation is supplied the return value of the previous.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flowRight\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flow([_.add, square]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flow = createFlow();\n\n    /**\n     * This method is like `_.flow` except that it creates a function that\n     * invokes the given functions from right to left.\n     *\n     * @static\n     * @since 3.0.0\n     * @memberOf _\n     * @category Util\n     * @param {...(Function|Function[])} [funcs] The functions to invoke.\n     * @returns {Function} Returns the new composite function.\n     * @see _.flow\n     * @example\n     *\n     * function square(n) {\n     *   return n * n;\n     * }\n     *\n     * var addSquare = _.flowRight([square, _.add]);\n     * addSquare(1, 2);\n     * // => 9\n     */\n    var flowRight = createFlow(true);\n\n    /**\n     * This method returns the first argument it receives.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {*} value Any value.\n     * @returns {*} Returns `value`.\n     * @example\n     *\n     * var object = { 'a': 1 };\n     *\n     * console.log(_.identity(object) === object);\n     * // => true\n     */\n    function identity(value) {\n      return value;\n    }\n\n    /**\n     * Creates a function that invokes `func` with the arguments of the created\n     * function. If `func` is a property name, the created function returns the\n     * property value for a given element. If `func` is an array or object, the\n     * created function returns `true` for elements that contain the equivalent\n     * source properties, otherwise it returns `false`.\n     *\n     * @static\n     * @since 4.0.0\n     * @memberOf _\n     * @category Util\n     * @param {*} [func=_.identity] The value to convert to a callback.\n     * @returns {Function} Returns the callback.\n     * @example\n     *\n     * var users = [\n     *   { 'user': 'barney', 'age': 36, 'active': true },\n     *   { 'user': 'fred',   'age': 40, 'active': false }\n     * ];\n     *\n     * // The `_.matches` iteratee shorthand.\n     * _.filter(users, _.iteratee({ 'user': 'barney', 'active': true }));\n     * // => [{ 'user': 'barney', 'age': 36, 'active': true }]\n     *\n     * // The `_.matchesProperty` iteratee shorthand.\n     * _.filter(users, _.iteratee(['user', 'fred']));\n     * // => [{ 'user': 'fred', 'age': 40 }]\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.map(users, _.iteratee('user'));\n     * // => ['barney', 'fred']\n     *\n     * // Create custom iteratee shorthands.\n     * _.iteratee = _.wrap(_.iteratee, function(iteratee, func) {\n     *   return !_.isRegExp(func) ? iteratee(func) : function(string) {\n     *     return func.test(string);\n     *   };\n     * });\n     *\n     * _.filter(['abc', 'def'], /ef/);\n     * // => ['def']\n     */\n    function iteratee(func) {\n      return baseIteratee(typeof func == 'function' ? func : baseClone(func, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between a given\n     * object and `source`, returning `true` if the given object has equivalent\n     * property values, else `false`.\n     *\n     * **Note:** The created function is equivalent to `_.isMatch` with `source`\n     * partially applied.\n     *\n     * Partial comparisons will match empty array and empty object `source`\n     * values against any array or object value, respectively. See `_.isEqual`\n     * for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} source The object of property values to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.filter(objects, _.matches({ 'a': 4, 'c': 6 }));\n     * // => [{ 'a': 4, 'b': 5, 'c': 6 }]\n     */\n    function matches(source) {\n      return baseMatches(baseClone(source, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that performs a partial deep comparison between the\n     * value at `path` of a given object to `srcValue`, returning `true` if the\n     * object value is equivalent, else `false`.\n     *\n     * **Note:** Partial comparisons will match empty array and empty object\n     * `srcValue` values against any array or object value, respectively. See\n     * `_.isEqual` for a list of supported value comparisons.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.2.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @param {*} srcValue The value to match.\n     * @returns {Function} Returns the new spec function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': 1, 'b': 2, 'c': 3 },\n     *   { 'a': 4, 'b': 5, 'c': 6 }\n     * ];\n     *\n     * _.find(objects, _.matchesProperty('a', 4));\n     * // => { 'a': 4, 'b': 5, 'c': 6 }\n     */\n    function matchesProperty(path, srcValue) {\n      return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));\n    }\n\n    /**\n     * Creates a function that invokes the method at `path` of a given object.\n     * Any additional arguments are provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Array|string} path The path of the method to invoke.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': _.constant(2) } },\n     *   { 'a': { 'b': _.constant(1) } }\n     * ];\n     *\n     * _.map(objects, _.method('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(objects, _.method(['a', 'b']));\n     * // => [2, 1]\n     */\n    var method = baseRest(function(path, args) {\n      return function(object) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * The opposite of `_.method`; this method creates a function that invokes\n     * the method at a given path of `object`. Any additional arguments are\n     * provided to the invoked method.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.7.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @param {...*} [args] The arguments to invoke the method with.\n     * @returns {Function} Returns the new invoker function.\n     * @example\n     *\n     * var array = _.times(3, _.constant),\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.methodOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.methodOf(object));\n     * // => [2, 0]\n     */\n    var methodOf = baseRest(function(object, args) {\n      return function(path) {\n        return baseInvoke(object, path, args);\n      };\n    });\n\n    /**\n     * Adds all own enumerable string keyed function properties of a source\n     * object to the destination object. If `object` is a function, then methods\n     * are added to its prototype as well.\n     *\n     * **Note:** Use `_.runInContext` to create a pristine `lodash` function to\n     * avoid conflicts caused by modifying the original.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {Function|Object} [object=lodash] The destination object.\n     * @param {Object} source The object of functions to add.\n     * @param {Object} [options={}] The options object.\n     * @param {boolean} [options.chain=true] Specify whether mixins are chainable.\n     * @returns {Function|Object} Returns `object`.\n     * @example\n     *\n     * function vowels(string) {\n     *   return _.filter(string, function(v) {\n     *     return /[aeiou]/i.test(v);\n     *   });\n     * }\n     *\n     * _.mixin({ 'vowels': vowels });\n     * _.vowels('fred');\n     * // => ['e']\n     *\n     * _('fred').vowels().value();\n     * // => ['e']\n     *\n     * _.mixin({ 'vowels': vowels }, { 'chain': false });\n     * _('fred').vowels();\n     * // => ['e']\n     */\n    function mixin(object, source, options) {\n      var props = keys(source),\n          methodNames = baseFunctions(source, props);\n\n      if (options == null &&\n          !(isObject(source) && (methodNames.length || !props.length))) {\n        options = source;\n        source = object;\n        object = this;\n        methodNames = baseFunctions(source, keys(source));\n      }\n      var chain = !(isObject(options) && 'chain' in options) || !!options.chain,\n          isFunc = isFunction(object);\n\n      arrayEach(methodNames, function(methodName) {\n        var func = source[methodName];\n        object[methodName] = func;\n        if (isFunc) {\n          object.prototype[methodName] = function() {\n            var chainAll = this.__chain__;\n            if (chain || chainAll) {\n              var result = object(this.__wrapped__),\n                  actions = result.__actions__ = copyArray(this.__actions__);\n\n              actions.push({ 'func': func, 'args': arguments, 'thisArg': object });\n              result.__chain__ = chainAll;\n              return result;\n            }\n            return func.apply(object, arrayPush([this.value()], arguments));\n          };\n        }\n      });\n\n      return object;\n    }\n\n    /**\n     * Reverts the `_` variable to its previous value and returns a reference to\n     * the `lodash` function.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @returns {Function} Returns the `lodash` function.\n     * @example\n     *\n     * var lodash = _.noConflict();\n     */\n    function noConflict() {\n      if (root._ === this) {\n        root._ = oldDash;\n      }\n      return this;\n    }\n\n    /**\n     * This method returns `undefined`.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.3.0\n     * @category Util\n     * @example\n     *\n     * _.times(2, _.noop);\n     * // => [undefined, undefined]\n     */\n    function noop() {\n      // No operation performed.\n    }\n\n    /**\n     * Creates a function that gets the argument at index `n`. If `n` is negative,\n     * the nth argument from the end is returned.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [n=0] The index of the argument to return.\n     * @returns {Function} Returns the new pass-thru function.\n     * @example\n     *\n     * var func = _.nthArg(1);\n     * func('a', 'b', 'c', 'd');\n     * // => 'b'\n     *\n     * var func = _.nthArg(-2);\n     * func('a', 'b', 'c', 'd');\n     * // => 'c'\n     */\n    function nthArg(n) {\n      n = toInteger(n);\n      return baseRest(function(args) {\n        return baseNth(args, n);\n      });\n    }\n\n    /**\n     * Creates a function that invokes `iteratees` with the arguments it receives\n     * and returns their results.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [iteratees=[_.identity]]\n     *  The iteratees to invoke.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.over([Math.max, Math.min]);\n     *\n     * func(1, 2, 3, 4);\n     * // => [4, 1]\n     */\n    var over = createOver(arrayMap);\n\n    /**\n     * Creates a function that checks if **all** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overEvery([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => false\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overEvery = createOver(arrayEvery);\n\n    /**\n     * Creates a function that checks if **any** of the `predicates` return\n     * truthy when invoked with the arguments it receives.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {...(Function|Function[])} [predicates=[_.identity]]\n     *  The predicates to check.\n     * @returns {Function} Returns the new function.\n     * @example\n     *\n     * var func = _.overSome([Boolean, isFinite]);\n     *\n     * func('1');\n     * // => true\n     *\n     * func(null);\n     * // => true\n     *\n     * func(NaN);\n     * // => false\n     */\n    var overSome = createOver(arraySome);\n\n    /**\n     * Creates a function that returns the value at `path` of a given object.\n     *\n     * @static\n     * @memberOf _\n     * @since 2.4.0\n     * @category Util\n     * @param {Array|string} path The path of the property to get.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var objects = [\n     *   { 'a': { 'b': 2 } },\n     *   { 'a': { 'b': 1 } }\n     * ];\n     *\n     * _.map(objects, _.property('a.b'));\n     * // => [2, 1]\n     *\n     * _.map(_.sortBy(objects, _.property(['a', 'b'])), 'a.b');\n     * // => [1, 2]\n     */\n    function property(path) {\n      return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);\n    }\n\n    /**\n     * The opposite of `_.property`; this method creates a function that returns\n     * the value at a given path of `object`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.0.0\n     * @category Util\n     * @param {Object} object The object to query.\n     * @returns {Function} Returns the new accessor function.\n     * @example\n     *\n     * var array = [0, 1, 2],\n     *     object = { 'a': array, 'b': array, 'c': array };\n     *\n     * _.map(['a[2]', 'c[0]'], _.propertyOf(object));\n     * // => [2, 0]\n     *\n     * _.map([['a', '2'], ['c', '0']], _.propertyOf(object));\n     * // => [2, 0]\n     */\n    function propertyOf(object) {\n      return function(path) {\n        return object == null ? undefined : baseGet(object, path);\n      };\n    }\n\n    /**\n     * Creates an array of numbers (positive and/or negative) progressing from\n     * `start` up to, but not including, `end`. A step of `-1` is used if a negative\n     * `start` is specified without an `end` or `step`. If `end` is not specified,\n     * it's set to `start` with `start` then set to `0`.\n     *\n     * **Note:** JavaScript follows the IEEE-754 standard for resolving\n     * floating-point values which can produce unexpected results.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.rangeRight\n     * @example\n     *\n     * _.range(4);\n     * // => [0, 1, 2, 3]\n     *\n     * _.range(-4);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 5);\n     * // => [1, 2, 3, 4]\n     *\n     * _.range(0, 20, 5);\n     * // => [0, 5, 10, 15]\n     *\n     * _.range(0, -4, -1);\n     * // => [0, -1, -2, -3]\n     *\n     * _.range(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.range(0);\n     * // => []\n     */\n    var range = createRange();\n\n    /**\n     * This method is like `_.range` except that it populates values in\n     * descending order.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {number} [start=0] The start of the range.\n     * @param {number} end The end of the range.\n     * @param {number} [step=1] The value to increment or decrement by.\n     * @returns {Array} Returns the range of numbers.\n     * @see _.inRange, _.range\n     * @example\n     *\n     * _.rangeRight(4);\n     * // => [3, 2, 1, 0]\n     *\n     * _.rangeRight(-4);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 5);\n     * // => [4, 3, 2, 1]\n     *\n     * _.rangeRight(0, 20, 5);\n     * // => [15, 10, 5, 0]\n     *\n     * _.rangeRight(0, -4, -1);\n     * // => [-3, -2, -1, 0]\n     *\n     * _.rangeRight(1, 4, 0);\n     * // => [1, 1, 1]\n     *\n     * _.rangeRight(0);\n     * // => []\n     */\n    var rangeRight = createRange(true);\n\n    /**\n     * This method returns a new empty array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Array} Returns the new empty array.\n     * @example\n     *\n     * var arrays = _.times(2, _.stubArray);\n     *\n     * console.log(arrays);\n     * // => [[], []]\n     *\n     * console.log(arrays[0] === arrays[1]);\n     * // => false\n     */\n    function stubArray() {\n      return [];\n    }\n\n    /**\n     * This method returns `false`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `false`.\n     * @example\n     *\n     * _.times(2, _.stubFalse);\n     * // => [false, false]\n     */\n    function stubFalse() {\n      return false;\n    }\n\n    /**\n     * This method returns a new empty object.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {Object} Returns the new empty object.\n     * @example\n     *\n     * var objects = _.times(2, _.stubObject);\n     *\n     * console.log(objects);\n     * // => [{}, {}]\n     *\n     * console.log(objects[0] === objects[1]);\n     * // => false\n     */\n    function stubObject() {\n      return {};\n    }\n\n    /**\n     * This method returns an empty string.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {string} Returns the empty string.\n     * @example\n     *\n     * _.times(2, _.stubString);\n     * // => ['', '']\n     */\n    function stubString() {\n      return '';\n    }\n\n    /**\n     * This method returns `true`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.13.0\n     * @category Util\n     * @returns {boolean} Returns `true`.\n     * @example\n     *\n     * _.times(2, _.stubTrue);\n     * // => [true, true]\n     */\n    function stubTrue() {\n      return true;\n    }\n\n    /**\n     * Invokes the iteratee `n` times, returning an array of the results of\n     * each invocation. The iteratee is invoked with one argument; (index).\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {number} n The number of times to invoke `iteratee`.\n     * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n     * @returns {Array} Returns the array of results.\n     * @example\n     *\n     * _.times(3, String);\n     * // => ['0', '1', '2']\n     *\n     *  _.times(4, _.constant(0));\n     * // => [0, 0, 0, 0]\n     */\n    function times(n, iteratee) {\n      n = toInteger(n);\n      if (n < 1 || n > MAX_SAFE_INTEGER) {\n        return [];\n      }\n      var index = MAX_ARRAY_LENGTH,\n          length = nativeMin(n, MAX_ARRAY_LENGTH);\n\n      iteratee = getIteratee(iteratee);\n      n -= MAX_ARRAY_LENGTH;\n\n      var result = baseTimes(length, iteratee);\n      while (++index < n) {\n        iteratee(index);\n      }\n      return result;\n    }\n\n    /**\n     * Converts `value` to a property path array.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Util\n     * @param {*} value The value to convert.\n     * @returns {Array} Returns the new property path array.\n     * @example\n     *\n     * _.toPath('a.b.c');\n     * // => ['a', 'b', 'c']\n     *\n     * _.toPath('a[0].b.c');\n     * // => ['a', '0', 'b', 'c']\n     */\n    function toPath(value) {\n      if (isArray(value)) {\n        return arrayMap(value, toKey);\n      }\n      return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));\n    }\n\n    /**\n     * Generates a unique ID. If `prefix` is given, the ID is appended to it.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Util\n     * @param {string} [prefix=''] The value to prefix the ID with.\n     * @returns {string} Returns the unique ID.\n     * @example\n     *\n     * _.uniqueId('contact_');\n     * // => 'contact_104'\n     *\n     * _.uniqueId();\n     * // => '105'\n     */\n    function uniqueId(prefix) {\n      var id = ++idCounter;\n      return toString(prefix) + id;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * Adds two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {number} augend The first number in an addition.\n     * @param {number} addend The second number in an addition.\n     * @returns {number} Returns the total.\n     * @example\n     *\n     * _.add(6, 4);\n     * // => 10\n     */\n    var add = createMathOperation(function(augend, addend) {\n      return augend + addend;\n    }, 0);\n\n    /**\n     * Computes `number` rounded up to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round up.\n     * @param {number} [precision=0] The precision to round up to.\n     * @returns {number} Returns the rounded up number.\n     * @example\n     *\n     * _.ceil(4.006);\n     * // => 5\n     *\n     * _.ceil(6.004, 2);\n     * // => 6.01\n     *\n     * _.ceil(6040, -2);\n     * // => 6100\n     */\n    var ceil = createRound('ceil');\n\n    /**\n     * Divide two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} dividend The first number in a division.\n     * @param {number} divisor The second number in a division.\n     * @returns {number} Returns the quotient.\n     * @example\n     *\n     * _.divide(6, 4);\n     * // => 1.5\n     */\n    var divide = createMathOperation(function(dividend, divisor) {\n      return dividend / divisor;\n    }, 1);\n\n    /**\n     * Computes `number` rounded down to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round down.\n     * @param {number} [precision=0] The precision to round down to.\n     * @returns {number} Returns the rounded down number.\n     * @example\n     *\n     * _.floor(4.006);\n     * // => 4\n     *\n     * _.floor(0.046, 2);\n     * // => 0.04\n     *\n     * _.floor(4060, -2);\n     * // => 4000\n     */\n    var floor = createRound('floor');\n\n    /**\n     * Computes the maximum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * _.max([4, 2, 8, 6]);\n     * // => 8\n     *\n     * _.max([]);\n     * // => undefined\n     */\n    function max(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseGt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.max` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the maximum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.maxBy(objects, function(o) { return o.n; });\n     * // => { 'n': 2 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.maxBy(objects, 'n');\n     * // => { 'n': 2 }\n     */\n    function maxBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseGt)\n        : undefined;\n    }\n\n    /**\n     * Computes the mean of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * _.mean([4, 2, 8, 6]);\n     * // => 5\n     */\n    function mean(array) {\n      return baseMean(array, identity);\n    }\n\n    /**\n     * This method is like `_.mean` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be averaged.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the mean.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.meanBy(objects, function(o) { return o.n; });\n     * // => 5\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.meanBy(objects, 'n');\n     * // => 5\n     */\n    function meanBy(array, iteratee) {\n      return baseMean(array, getIteratee(iteratee, 2));\n    }\n\n    /**\n     * Computes the minimum value of `array`. If `array` is empty or falsey,\n     * `undefined` is returned.\n     *\n     * @static\n     * @since 0.1.0\n     * @memberOf _\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * _.min([4, 2, 8, 6]);\n     * // => 2\n     *\n     * _.min([]);\n     * // => undefined\n     */\n    function min(array) {\n      return (array && array.length)\n        ? baseExtremum(array, identity, baseLt)\n        : undefined;\n    }\n\n    /**\n     * This method is like `_.min` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the criterion by which\n     * the value is ranked. The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {*} Returns the minimum value.\n     * @example\n     *\n     * var objects = [{ 'n': 1 }, { 'n': 2 }];\n     *\n     * _.minBy(objects, function(o) { return o.n; });\n     * // => { 'n': 1 }\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.minBy(objects, 'n');\n     * // => { 'n': 1 }\n     */\n    function minBy(array, iteratee) {\n      return (array && array.length)\n        ? baseExtremum(array, getIteratee(iteratee, 2), baseLt)\n        : undefined;\n    }\n\n    /**\n     * Multiply two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.7.0\n     * @category Math\n     * @param {number} multiplier The first number in a multiplication.\n     * @param {number} multiplicand The second number in a multiplication.\n     * @returns {number} Returns the product.\n     * @example\n     *\n     * _.multiply(6, 4);\n     * // => 24\n     */\n    var multiply = createMathOperation(function(multiplier, multiplicand) {\n      return multiplier * multiplicand;\n    }, 1);\n\n    /**\n     * Computes `number` rounded to `precision`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.10.0\n     * @category Math\n     * @param {number} number The number to round.\n     * @param {number} [precision=0] The precision to round to.\n     * @returns {number} Returns the rounded number.\n     * @example\n     *\n     * _.round(4.006);\n     * // => 4\n     *\n     * _.round(4.006, 2);\n     * // => 4.01\n     *\n     * _.round(4060, -2);\n     * // => 4100\n     */\n    var round = createRound('round');\n\n    /**\n     * Subtract two numbers.\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {number} minuend The first number in a subtraction.\n     * @param {number} subtrahend The second number in a subtraction.\n     * @returns {number} Returns the difference.\n     * @example\n     *\n     * _.subtract(6, 4);\n     * // => 2\n     */\n    var subtract = createMathOperation(function(minuend, subtrahend) {\n      return minuend - subtrahend;\n    }, 0);\n\n    /**\n     * Computes the sum of the values in `array`.\n     *\n     * @static\n     * @memberOf _\n     * @since 3.4.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * _.sum([4, 2, 8, 6]);\n     * // => 20\n     */\n    function sum(array) {\n      return (array && array.length)\n        ? baseSum(array, identity)\n        : 0;\n    }\n\n    /**\n     * This method is like `_.sum` except that it accepts `iteratee` which is\n     * invoked for each element in `array` to generate the value to be summed.\n     * The iteratee is invoked with one argument: (value).\n     *\n     * @static\n     * @memberOf _\n     * @since 4.0.0\n     * @category Math\n     * @param {Array} array The array to iterate over.\n     * @param {Function} [iteratee=_.identity] The iteratee invoked per element.\n     * @returns {number} Returns the sum.\n     * @example\n     *\n     * var objects = [{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }];\n     *\n     * _.sumBy(objects, function(o) { return o.n; });\n     * // => 20\n     *\n     * // The `_.property` iteratee shorthand.\n     * _.sumBy(objects, 'n');\n     * // => 20\n     */\n    function sumBy(array, iteratee) {\n      return (array && array.length)\n        ? baseSum(array, getIteratee(iteratee, 2))\n        : 0;\n    }\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return wrapped values in chain sequences.\n    lodash.after = after;\n    lodash.ary = ary;\n    lodash.assign = assign;\n    lodash.assignIn = assignIn;\n    lodash.assignInWith = assignInWith;\n    lodash.assignWith = assignWith;\n    lodash.at = at;\n    lodash.before = before;\n    lodash.bind = bind;\n    lodash.bindAll = bindAll;\n    lodash.bindKey = bindKey;\n    lodash.castArray = castArray;\n    lodash.chain = chain;\n    lodash.chunk = chunk;\n    lodash.compact = compact;\n    lodash.concat = concat;\n    lodash.cond = cond;\n    lodash.conforms = conforms;\n    lodash.constant = constant;\n    lodash.countBy = countBy;\n    lodash.create = create;\n    lodash.curry = curry;\n    lodash.curryRight = curryRight;\n    lodash.debounce = debounce;\n    lodash.defaults = defaults;\n    lodash.defaultsDeep = defaultsDeep;\n    lodash.defer = defer;\n    lodash.delay = delay;\n    lodash.difference = difference;\n    lodash.differenceBy = differenceBy;\n    lodash.differenceWith = differenceWith;\n    lodash.drop = drop;\n    lodash.dropRight = dropRight;\n    lodash.dropRightWhile = dropRightWhile;\n    lodash.dropWhile = dropWhile;\n    lodash.fill = fill;\n    lodash.filter = filter;\n    lodash.flatMap = flatMap;\n    lodash.flatMapDeep = flatMapDeep;\n    lodash.flatMapDepth = flatMapDepth;\n    lodash.flatten = flatten;\n    lodash.flattenDeep = flattenDeep;\n    lodash.flattenDepth = flattenDepth;\n    lodash.flip = flip;\n    lodash.flow = flow;\n    lodash.flowRight = flowRight;\n    lodash.fromPairs = fromPairs;\n    lodash.functions = functions;\n    lodash.functionsIn = functionsIn;\n    lodash.groupBy = groupBy;\n    lodash.initial = initial;\n    lodash.intersection = intersection;\n    lodash.intersectionBy = intersectionBy;\n    lodash.intersectionWith = intersectionWith;\n    lodash.invert = invert;\n    lodash.invertBy = invertBy;\n    lodash.invokeMap = invokeMap;\n    lodash.iteratee = iteratee;\n    lodash.keyBy = keyBy;\n    lodash.keys = keys;\n    lodash.keysIn = keysIn;\n    lodash.map = map;\n    lodash.mapKeys = mapKeys;\n    lodash.mapValues = mapValues;\n    lodash.matches = matches;\n    lodash.matchesProperty = matchesProperty;\n    lodash.memoize = memoize;\n    lodash.merge = merge;\n    lodash.mergeWith = mergeWith;\n    lodash.method = method;\n    lodash.methodOf = methodOf;\n    lodash.mixin = mixin;\n    lodash.negate = negate;\n    lodash.nthArg = nthArg;\n    lodash.omit = omit;\n    lodash.omitBy = omitBy;\n    lodash.once = once;\n    lodash.orderBy = orderBy;\n    lodash.over = over;\n    lodash.overArgs = overArgs;\n    lodash.overEvery = overEvery;\n    lodash.overSome = overSome;\n    lodash.partial = partial;\n    lodash.partialRight = partialRight;\n    lodash.partition = partition;\n    lodash.pick = pick;\n    lodash.pickBy = pickBy;\n    lodash.property = property;\n    lodash.propertyOf = propertyOf;\n    lodash.pull = pull;\n    lodash.pullAll = pullAll;\n    lodash.pullAllBy = pullAllBy;\n    lodash.pullAllWith = pullAllWith;\n    lodash.pullAt = pullAt;\n    lodash.range = range;\n    lodash.rangeRight = rangeRight;\n    lodash.rearg = rearg;\n    lodash.reject = reject;\n    lodash.remove = remove;\n    lodash.rest = rest;\n    lodash.reverse = reverse;\n    lodash.sampleSize = sampleSize;\n    lodash.set = set;\n    lodash.setWith = setWith;\n    lodash.shuffle = shuffle;\n    lodash.slice = slice;\n    lodash.sortBy = sortBy;\n    lodash.sortedUniq = sortedUniq;\n    lodash.sortedUniqBy = sortedUniqBy;\n    lodash.split = split;\n    lodash.spread = spread;\n    lodash.tail = tail;\n    lodash.take = take;\n    lodash.takeRight = takeRight;\n    lodash.takeRightWhile = takeRightWhile;\n    lodash.takeWhile = takeWhile;\n    lodash.tap = tap;\n    lodash.throttle = throttle;\n    lodash.thru = thru;\n    lodash.toArray = toArray;\n    lodash.toPairs = toPairs;\n    lodash.toPairsIn = toPairsIn;\n    lodash.toPath = toPath;\n    lodash.toPlainObject = toPlainObject;\n    lodash.transform = transform;\n    lodash.unary = unary;\n    lodash.union = union;\n    lodash.unionBy = unionBy;\n    lodash.unionWith = unionWith;\n    lodash.uniq = uniq;\n    lodash.uniqBy = uniqBy;\n    lodash.uniqWith = uniqWith;\n    lodash.unset = unset;\n    lodash.unzip = unzip;\n    lodash.unzipWith = unzipWith;\n    lodash.update = update;\n    lodash.updateWith = updateWith;\n    lodash.values = values;\n    lodash.valuesIn = valuesIn;\n    lodash.without = without;\n    lodash.words = words;\n    lodash.wrap = wrap;\n    lodash.xor = xor;\n    lodash.xorBy = xorBy;\n    lodash.xorWith = xorWith;\n    lodash.zip = zip;\n    lodash.zipObject = zipObject;\n    lodash.zipObjectDeep = zipObjectDeep;\n    lodash.zipWith = zipWith;\n\n    // Add aliases.\n    lodash.entries = toPairs;\n    lodash.entriesIn = toPairsIn;\n    lodash.extend = assignIn;\n    lodash.extendWith = assignInWith;\n\n    // Add methods to `lodash.prototype`.\n    mixin(lodash, lodash);\n\n    /*------------------------------------------------------------------------*/\n\n    // Add methods that return unwrapped values in chain sequences.\n    lodash.add = add;\n    lodash.attempt = attempt;\n    lodash.camelCase = camelCase;\n    lodash.capitalize = capitalize;\n    lodash.ceil = ceil;\n    lodash.clamp = clamp;\n    lodash.clone = clone;\n    lodash.cloneDeep = cloneDeep;\n    lodash.cloneDeepWith = cloneDeepWith;\n    lodash.cloneWith = cloneWith;\n    lodash.conformsTo = conformsTo;\n    lodash.deburr = deburr;\n    lodash.defaultTo = defaultTo;\n    lodash.divide = divide;\n    lodash.endsWith = endsWith;\n    lodash.eq = eq;\n    lodash.escape = escape;\n    lodash.escapeRegExp = escapeRegExp;\n    lodash.every = every;\n    lodash.find = find;\n    lodash.findIndex = findIndex;\n    lodash.findKey = findKey;\n    lodash.findLast = findLast;\n    lodash.findLastIndex = findLastIndex;\n    lodash.findLastKey = findLastKey;\n    lodash.floor = floor;\n    lodash.forEach = forEach;\n    lodash.forEachRight = forEachRight;\n    lodash.forIn = forIn;\n    lodash.forInRight = forInRight;\n    lodash.forOwn = forOwn;\n    lodash.forOwnRight = forOwnRight;\n    lodash.get = get;\n    lodash.gt = gt;\n    lodash.gte = gte;\n    lodash.has = has;\n    lodash.hasIn = hasIn;\n    lodash.head = head;\n    lodash.identity = identity;\n    lodash.includes = includes;\n    lodash.indexOf = indexOf;\n    lodash.inRange = inRange;\n    lodash.invoke = invoke;\n    lodash.isArguments = isArguments;\n    lodash.isArray = isArray;\n    lodash.isArrayBuffer = isArrayBuffer;\n    lodash.isArrayLike = isArrayLike;\n    lodash.isArrayLikeObject = isArrayLikeObject;\n    lodash.isBoolean = isBoolean;\n    lodash.isBuffer = isBuffer;\n    lodash.isDate = isDate;\n    lodash.isElement = isElement;\n    lodash.isEmpty = isEmpty;\n    lodash.isEqual = isEqual;\n    lodash.isEqualWith = isEqualWith;\n    lodash.isError = isError;\n    lodash.isFinite = isFinite;\n    lodash.isFunction = isFunction;\n    lodash.isInteger = isInteger;\n    lodash.isLength = isLength;\n    lodash.isMap = isMap;\n    lodash.isMatch = isMatch;\n    lodash.isMatchWith = isMatchWith;\n    lodash.isNaN = isNaN;\n    lodash.isNative = isNative;\n    lodash.isNil = isNil;\n    lodash.isNull = isNull;\n    lodash.isNumber = isNumber;\n    lodash.isObject = isObject;\n    lodash.isObjectLike = isObjectLike;\n    lodash.isPlainObject = isPlainObject;\n    lodash.isRegExp = isRegExp;\n    lodash.isSafeInteger = isSafeInteger;\n    lodash.isSet = isSet;\n    lodash.isString = isString;\n    lodash.isSymbol = isSymbol;\n    lodash.isTypedArray = isTypedArray;\n    lodash.isUndefined = isUndefined;\n    lodash.isWeakMap = isWeakMap;\n    lodash.isWeakSet = isWeakSet;\n    lodash.join = join;\n    lodash.kebabCase = kebabCase;\n    lodash.last = last;\n    lodash.lastIndexOf = lastIndexOf;\n    lodash.lowerCase = lowerCase;\n    lodash.lowerFirst = lowerFirst;\n    lodash.lt = lt;\n    lodash.lte = lte;\n    lodash.max = max;\n    lodash.maxBy = maxBy;\n    lodash.mean = mean;\n    lodash.meanBy = meanBy;\n    lodash.min = min;\n    lodash.minBy = minBy;\n    lodash.stubArray = stubArray;\n    lodash.stubFalse = stubFalse;\n    lodash.stubObject = stubObject;\n    lodash.stubString = stubString;\n    lodash.stubTrue = stubTrue;\n    lodash.multiply = multiply;\n    lodash.nth = nth;\n    lodash.noConflict = noConflict;\n    lodash.noop = noop;\n    lodash.now = now;\n    lodash.pad = pad;\n    lodash.padEnd = padEnd;\n    lodash.padStart = padStart;\n    lodash.parseInt = parseInt;\n    lodash.random = random;\n    lodash.reduce = reduce;\n    lodash.reduceRight = reduceRight;\n    lodash.repeat = repeat;\n    lodash.replace = replace;\n    lodash.result = result;\n    lodash.round = round;\n    lodash.runInContext = runInContext;\n    lodash.sample = sample;\n    lodash.size = size;\n    lodash.snakeCase = snakeCase;\n    lodash.some = some;\n    lodash.sortedIndex = sortedIndex;\n    lodash.sortedIndexBy = sortedIndexBy;\n    lodash.sortedIndexOf = sortedIndexOf;\n    lodash.sortedLastIndex = sortedLastIndex;\n    lodash.sortedLastIndexBy = sortedLastIndexBy;\n    lodash.sortedLastIndexOf = sortedLastIndexOf;\n    lodash.startCase = startCase;\n    lodash.startsWith = startsWith;\n    lodash.subtract = subtract;\n    lodash.sum = sum;\n    lodash.sumBy = sumBy;\n    lodash.template = template;\n    lodash.times = times;\n    lodash.toFinite = toFinite;\n    lodash.toInteger = toInteger;\n    lodash.toLength = toLength;\n    lodash.toLower = toLower;\n    lodash.toNumber = toNumber;\n    lodash.toSafeInteger = toSafeInteger;\n    lodash.toString = toString;\n    lodash.toUpper = toUpper;\n    lodash.trim = trim;\n    lodash.trimEnd = trimEnd;\n    lodash.trimStart = trimStart;\n    lodash.truncate = truncate;\n    lodash.unescape = unescape;\n    lodash.uniqueId = uniqueId;\n    lodash.upperCase = upperCase;\n    lodash.upperFirst = upperFirst;\n\n    // Add aliases.\n    lodash.each = forEach;\n    lodash.eachRight = forEachRight;\n    lodash.first = head;\n\n    mixin(lodash, (function() {\n      var source = {};\n      baseForOwn(lodash, function(func, methodName) {\n        if (!hasOwnProperty.call(lodash.prototype, methodName)) {\n          source[methodName] = func;\n        }\n      });\n      return source;\n    }()), { 'chain': false });\n\n    /*------------------------------------------------------------------------*/\n\n    /**\n     * The semantic version number.\n     *\n     * @static\n     * @memberOf _\n     * @type {string}\n     */\n    lodash.VERSION = VERSION;\n\n    // Assign default placeholders.\n    arrayEach(['bind', 'bindKey', 'curry', 'curryRight', 'partial', 'partialRight'], function(methodName) {\n      lodash[methodName].placeholder = lodash;\n    });\n\n    // Add `LazyWrapper` methods for `_.drop` and `_.take` variants.\n    arrayEach(['drop', 'take'], function(methodName, index) {\n      LazyWrapper.prototype[methodName] = function(n) {\n        n = n === undefined ? 1 : nativeMax(toInteger(n), 0);\n\n        var result = (this.__filtered__ && !index)\n          ? new LazyWrapper(this)\n          : this.clone();\n\n        if (result.__filtered__) {\n          result.__takeCount__ = nativeMin(n, result.__takeCount__);\n        } else {\n          result.__views__.push({\n            'size': nativeMin(n, MAX_ARRAY_LENGTH),\n            'type': methodName + (result.__dir__ < 0 ? 'Right' : '')\n          });\n        }\n        return result;\n      };\n\n      LazyWrapper.prototype[methodName + 'Right'] = function(n) {\n        return this.reverse()[methodName](n).reverse();\n      };\n    });\n\n    // Add `LazyWrapper` methods that accept an `iteratee` value.\n    arrayEach(['filter', 'map', 'takeWhile'], function(methodName, index) {\n      var type = index + 1,\n          isFilter = type == LAZY_FILTER_FLAG || type == LAZY_WHILE_FLAG;\n\n      LazyWrapper.prototype[methodName] = function(iteratee) {\n        var result = this.clone();\n        result.__iteratees__.push({\n          'iteratee': getIteratee(iteratee, 3),\n          'type': type\n        });\n        result.__filtered__ = result.__filtered__ || isFilter;\n        return result;\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.head` and `_.last`.\n    arrayEach(['head', 'last'], function(methodName, index) {\n      var takeName = 'take' + (index ? 'Right' : '');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this[takeName](1).value()[0];\n      };\n    });\n\n    // Add `LazyWrapper` methods for `_.initial` and `_.tail`.\n    arrayEach(['initial', 'tail'], function(methodName, index) {\n      var dropName = 'drop' + (index ? '' : 'Right');\n\n      LazyWrapper.prototype[methodName] = function() {\n        return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);\n      };\n    });\n\n    LazyWrapper.prototype.compact = function() {\n      return this.filter(identity);\n    };\n\n    LazyWrapper.prototype.find = function(predicate) {\n      return this.filter(predicate).head();\n    };\n\n    LazyWrapper.prototype.findLast = function(predicate) {\n      return this.reverse().find(predicate);\n    };\n\n    LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {\n      if (typeof path == 'function') {\n        return new LazyWrapper(this);\n      }\n      return this.map(function(value) {\n        return baseInvoke(value, path, args);\n      });\n    });\n\n    LazyWrapper.prototype.reject = function(predicate) {\n      return this.filter(negate(getIteratee(predicate)));\n    };\n\n    LazyWrapper.prototype.slice = function(start, end) {\n      start = toInteger(start);\n\n      var result = this;\n      if (result.__filtered__ && (start > 0 || end < 0)) {\n        return new LazyWrapper(result);\n      }\n      if (start < 0) {\n        result = result.takeRight(-start);\n      } else if (start) {\n        result = result.drop(start);\n      }\n      if (end !== undefined) {\n        end = toInteger(end);\n        result = end < 0 ? result.dropRight(-end) : result.take(end - start);\n      }\n      return result;\n    };\n\n    LazyWrapper.prototype.takeRightWhile = function(predicate) {\n      return this.reverse().takeWhile(predicate).reverse();\n    };\n\n    LazyWrapper.prototype.toArray = function() {\n      return this.take(MAX_ARRAY_LENGTH);\n    };\n\n    // Add `LazyWrapper` methods to `lodash.prototype`.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName),\n          isTaker = /^(?:head|last)$/.test(methodName),\n          lodashFunc = lodash[isTaker ? ('take' + (methodName == 'last' ? 'Right' : '')) : methodName],\n          retUnwrapped = isTaker || /^find/.test(methodName);\n\n      if (!lodashFunc) {\n        return;\n      }\n      lodash.prototype[methodName] = function() {\n        var value = this.__wrapped__,\n            args = isTaker ? [1] : arguments,\n            isLazy = value instanceof LazyWrapper,\n            iteratee = args[0],\n            useLazy = isLazy || isArray(value);\n\n        var interceptor = function(value) {\n          var result = lodashFunc.apply(lodash, arrayPush([value], args));\n          return (isTaker && chainAll) ? result[0] : result;\n        };\n\n        if (useLazy && checkIteratee && typeof iteratee == 'function' && iteratee.length != 1) {\n          // Avoid lazy use if the iteratee has a \"length\" value other than `1`.\n          isLazy = useLazy = false;\n        }\n        var chainAll = this.__chain__,\n            isHybrid = !!this.__actions__.length,\n            isUnwrapped = retUnwrapped && !chainAll,\n            onlyLazy = isLazy && !isHybrid;\n\n        if (!retUnwrapped && useLazy) {\n          value = onlyLazy ? value : new LazyWrapper(this);\n          var result = func.apply(value, args);\n          result.__actions__.push({ 'func': thru, 'args': [interceptor], 'thisArg': undefined });\n          return new LodashWrapper(result, chainAll);\n        }\n        if (isUnwrapped && onlyLazy) {\n          return func.apply(this, args);\n        }\n        result = this.thru(interceptor);\n        return isUnwrapped ? (isTaker ? result.value()[0] : result.value()) : result;\n      };\n    });\n\n    // Add `Array` methods to `lodash.prototype`.\n    arrayEach(['pop', 'push', 'shift', 'sort', 'splice', 'unshift'], function(methodName) {\n      var func = arrayProto[methodName],\n          chainName = /^(?:push|sort|unshift)$/.test(methodName) ? 'tap' : 'thru',\n          retUnwrapped = /^(?:pop|shift)$/.test(methodName);\n\n      lodash.prototype[methodName] = function() {\n        var args = arguments;\n        if (retUnwrapped && !this.__chain__) {\n          var value = this.value();\n          return func.apply(isArray(value) ? value : [], args);\n        }\n        return this[chainName](function(value) {\n          return func.apply(isArray(value) ? value : [], args);\n        });\n      };\n    });\n\n    // Map minified method names to their real names.\n    baseForOwn(LazyWrapper.prototype, function(func, methodName) {\n      var lodashFunc = lodash[methodName];\n      if (lodashFunc) {\n        var key = (lodashFunc.name + ''),\n            names = realNames[key] || (realNames[key] = []);\n\n        names.push({ 'name': methodName, 'func': lodashFunc });\n      }\n    });\n\n    realNames[createHybrid(undefined, WRAP_BIND_KEY_FLAG).name] = [{\n      'name': 'wrapper',\n      'func': undefined\n    }];\n\n    // Add methods to `LazyWrapper`.\n    LazyWrapper.prototype.clone = lazyClone;\n    LazyWrapper.prototype.reverse = lazyReverse;\n    LazyWrapper.prototype.value = lazyValue;\n\n    // Add chain sequence methods to the `lodash` wrapper.\n    lodash.prototype.at = wrapperAt;\n    lodash.prototype.chain = wrapperChain;\n    lodash.prototype.commit = wrapperCommit;\n    lodash.prototype.next = wrapperNext;\n    lodash.prototype.plant = wrapperPlant;\n    lodash.prototype.reverse = wrapperReverse;\n    lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;\n\n    // Add lazy aliases.\n    lodash.prototype.first = lodash.prototype.head;\n\n    if (symIterator) {\n      lodash.prototype[symIterator] = wrapperToIterator;\n    }\n    return lodash;\n  });\n\n  /*--------------------------------------------------------------------------*/\n\n  // Export lodash.\n  var _ = runInContext();\n\n  // Some AMD build optimizers, like r.js, check for condition patterns like:\n  if (typeof define == 'function' && typeof define.amd == 'object' && define.amd) {\n    // Expose Lodash on the global object to prevent errors when Lodash is\n    // loaded by a script tag in the presence of an AMD loader.\n    // See http://requirejs.org/docs/errors.html#mismatch for more details.\n    // Use `_.noConflict` to remove Lodash from the global object.\n    root._ = _;\n\n    // Define as an anonymous module so, through path mapping, it can be\n    // referenced as the \"underscore\" module.\n    define(function() {\n      return _;\n    });\n  }\n  // Check for `exports` after `define` in case a build optimizer adds it.\n  else if (freeModule) {\n    // Export for Node.js.\n    (freeModule.exports = _)._ = _;\n    // Export for CommonJS support.\n    freeExports._ = _;\n  }\n  else {\n    // Export to the global object.\n    root._ = _;\n  }\n}.call(this));\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ../oui-radio/~/lodash/lodash.js\n// module id = 193\n// module chunks = 0"],"sourceRoot":""}
\ No newline at end of file
diff --git a/packages/oui-angular/package.json b/packages/oui-angular/package.json
index 52701247..4ad199dc 100644
--- a/packages/oui-angular/package.json
+++ b/packages/oui-angular/package.json
@@ -13,7 +13,8 @@
     "@oui-angular/checkbox": "^1.0.0",
     "@oui-angular/message": "^1.0.0",
     "@oui-angular/radio": "^1.0.0",
-    "@oui-angular/radio-group": "^1.0.0"
+    "@oui-angular/radio-group": "^1.0.0",
+    "@oui-angular/loader": "^1.0.0"
   },
   "devDependencies": {
     "babel-cli": "^6.24.1",
diff --git a/packages/oui-angular/src/index.js b/packages/oui-angular/src/index.js
index 170d8263..c7dbe07d 100644
--- a/packages/oui-angular/src/index.js
+++ b/packages/oui-angular/src/index.js
@@ -2,10 +2,12 @@ import '@oui-angular/checkbox/src'
 import '@oui-angular/radio/src'
 import '@oui-angular/radio-group/src'
 import '@oui-angular/message/src'
+import '@oui-angular/loader/src'
 
 angular.module('oui', [
   'oui.checkbox',
   'oui.radio',
   'oui.radio-group',
-  'oui.message'
+  'oui.message',
+  'oui.loader'
 ])
diff --git a/packages/oui-angular/src/index.spec.js b/packages/oui-angular/src/index.spec.js
index 212c60ff..9a98f22d 100644
--- a/packages/oui-angular/src/index.spec.js
+++ b/packages/oui-angular/src/index.spec.js
@@ -2,6 +2,7 @@ loadTests(require.context('../../oui-checkbox/src/', true, /.*((\.spec)|(index))
 loadTests(require.context('../../oui-message/src/', true, /.*((\.spec)|(index))$/))
 loadTests(require.context('../../oui-radio/src/', true, /.*((\.spec)|(index))$/))
 loadTests(require.context('../../oui-radio-group/src/', true, /.*((\.spec)|(index))$/))
+loadTests(require.context('../../oui-loader/src/', true, /.*((\.spec)|(index))$/))
 
 function loadTests (context) {
   context.keys().forEach(context)
diff --git a/packages/oui-checkbox/README.md b/packages/oui-checkbox/README.md
index b653923d..3bd22338 100644
--- a/packages/oui-checkbox/README.md
+++ b/packages/oui-checkbox/README.md
@@ -1,5 +1,7 @@
 # Checkbox
 
+<component-status cx-design="partial" ux="rc"></component-status>
+
 ## Usage
 
 ### Label
diff --git a/packages/oui-loader/.gitignore b/packages/oui-loader/.gitignore
new file mode 100644
index 00000000..a3db6b5b
--- /dev/null
+++ b/packages/oui-loader/.gitignore
@@ -0,0 +1,5 @@
+node_modules/
+dist/
+coverage/
+*.log
+yarn.lock
diff --git a/packages/oui-loader/README.md b/packages/oui-loader/README.md
new file mode 100644
index 00000000..a01b68b4
--- /dev/null
+++ b/packages/oui-loader/README.md
@@ -0,0 +1,32 @@
+# Loader
+
+<component-status cx-design="partial" ux="rc"></component-status>
+
+## Usage
+
+### Small
+```html:preview
+<oui-loader size="s"></oui-loader>
+```
+
+By default, small loader is the only one displayed as an inline element.
+
+### Medium
+```html:preview
+<oui-loader size="m"></oui-loader>
+```
+
+### Big
+```html:preview
+<oui-loader size="l"></oui-loader>
+```
+
+### Inline
+```html:preview
+<oui-loader size="m" inline="true"></oui-loader>
+```
+
+| Name            | Type            | Values              | Default             | Description         |
+| ----            | ----            | ----                | ----                | ----                |
+| `size`          | String          | s, m, l             | m                   | Loader size         |
+| `inline`        | Boolean         |                     | `false` (`true` for small loader)               | Inline display         |
diff --git a/packages/oui-loader/karma.conf.js b/packages/oui-loader/karma.conf.js
new file mode 100644
index 00000000..960a048c
--- /dev/null
+++ b/packages/oui-loader/karma.conf.js
@@ -0,0 +1,13 @@
+import { configure as configureKarma } from '../../build/karma.single.conf'
+
+module.exports = (config) => {
+  const karmaConfig = configureKarma(__dirname)
+
+  karmaConfig.files.unshift(require.resolve('angular-mocks'))
+  karmaConfig.files.unshift(require.resolve('angular'))
+  karmaConfig.webpack.devtool = 'inline-source-map'
+
+  config.set({
+    ...karmaConfig
+  })
+}
diff --git a/packages/oui-loader/package.json b/packages/oui-loader/package.json
new file mode 100644
index 00000000..fffd5520
--- /dev/null
+++ b/packages/oui-loader/package.json
@@ -0,0 +1,31 @@
+{
+  "name": "@oui-angular/loader",
+  "version": "1.0.0",
+  "main": "dist/component.js",
+  "license": "MIT",
+  "scripts": {
+    "build": "rimraf dist && webpack --progress --colors --hide-modules --config webpack.config.babel.js",
+    "karma:watch": "cross-env NODE_ENV=test babel-node $(npm bin)/karma start karma.conf.js --watch",
+    "karma:chrome": "cross-env NODE_ENV=test babel-node $(npm bin)/karma start karma.conf.js --browsers Chromium",
+    "karma": "cross-env NODE_ENV=test babel-node $(npm bin)/karma start karma.conf.js --reporters spec,coverage-istanbul --single-run",
+    "webdriver:update": "webdriver-manager update",
+    "protractor": "babel-node $(yarn bin)/protractor",
+    "test": "yarn karma && yarn protractor"
+  },
+  "dependencies": {
+    "angular": "^1.6.5"
+  },
+  "devDependencies": {
+    "babel-cli": "^6.24.1",
+    "cross-env": "^3.2.4",
+    "karma": "^1.7.0",
+    "protractor": "^4.0.14",
+    "rimraf": "^2.6.1",
+    "webpack": "^1.15.0"
+  },
+  "engines": {
+    "node": ">= 6.9.0",
+    "npm": ">= 3.10.0",
+    "yarn": ">= 0.17.0"
+  }
+}
diff --git a/packages/oui-loader/protractor.conf.js b/packages/oui-loader/protractor.conf.js
new file mode 100644
index 00000000..31caf8cd
--- /dev/null
+++ b/packages/oui-loader/protractor.conf.js
@@ -0,0 +1,8 @@
+import fs from 'fs'
+import path from 'path'
+import protractorConfig from '../../build/protractor.conf'
+
+exports.config = Object.assign(protractorConfig, {
+  specs: [path.join('.', 'e2e', '**', '*.spec.js')],
+  baseUrl: fs.readFileSync('.preview-host').toString()
+})
diff --git a/packages/oui-loader/src/index.js b/packages/oui-loader/src/index.js
new file mode 100644
index 00000000..347f5043
--- /dev/null
+++ b/packages/oui-loader/src/index.js
@@ -0,0 +1,3 @@
+import Loader from './loader.component.js'
+
+angular.module('oui.loader', []).component('ouiLoader', Loader)
diff --git a/packages/oui-loader/src/index.spec.js b/packages/oui-loader/src/index.spec.js
new file mode 100644
index 00000000..aa2d9c31
--- /dev/null
+++ b/packages/oui-loader/src/index.spec.js
@@ -0,0 +1,100 @@
+describe('ouiLoader', () => {
+  let $componentController
+
+  beforeEach(angular.mock.module('oui.loader'))
+
+  beforeEach(inject((_$componentController_) => {
+    $componentController = _$componentController_
+  }))
+
+  describe('Controller', () => {
+    it('should exist', () => {
+      const ctrl = $componentController('ouiLoader', {
+        $attrs: {}
+      })
+      ctrl.$onInit()
+      expect(ctrl).toBeDefined()
+    })
+
+    describe('Default', () => {
+      it('should have default size and not inline', () => {
+        const ctrl = $componentController('ouiLoader', {
+          $attrs: {}
+        })
+        ctrl.$onInit()
+        expect(ctrl.size).toEqual('m')
+        expect(ctrl.inline).toBeFalsy()
+      })
+    })
+
+    describe('Small', () => {
+      it('should have right size and inline', () => {
+        const ctrl = $componentController('ouiLoader', {
+          $attrs: {}
+        }, {
+          size: 's'
+        })
+        ctrl.$onInit()
+        expect(ctrl.size).toEqual('s')
+        expect(ctrl.inline).toBeTruthy()
+      })
+
+      describe('forced not inline', () => {
+        it('should not be inline', () => {
+          const ctrl = $componentController('ouiLoader', {
+            $attrs: {
+              inline: 'false'
+            }
+          }, {
+            size: 's',
+            inline: false
+          })
+          ctrl.$onInit()
+          expect(ctrl.size).toEqual('s')
+          expect(ctrl.inline).toBeFalsy()
+        })
+      })
+    })
+
+    describe('Medium', () => {
+      it('should have default size', () => {
+        const ctrl = $componentController('ouiLoader', {
+          $attrs: {}
+        }, {
+          size: 'm'
+        })
+        ctrl.$onInit()
+        expect(ctrl.size).toEqual('m')
+        expect(ctrl.inline).toBeFalsy()
+      })
+
+      describe('forced inline', () => {
+        it('should be inline', () => {
+          const ctrl = $componentController('ouiLoader', {
+            $attrs: {
+              inline: {}
+            }
+          }, {
+            size: 'm'
+          })
+          ctrl.$onInit()
+          expect(ctrl.size).toEqual('m')
+          expect(ctrl.inline).toBeTruthy()
+        })
+      })
+    })
+
+    describe('Large', () => {
+      it('should have default size', () => {
+        const ctrl = $componentController('ouiLoader', {
+          $attrs: {}
+        }, {
+          size: 'l'
+        })
+        ctrl.$onInit()
+        expect(ctrl.size).toEqual('l')
+        expect(ctrl.inline).toBeFalsy()
+      })
+    })
+  })
+})
diff --git a/packages/oui-loader/src/loader.component.js b/packages/oui-loader/src/loader.component.js
new file mode 100644
index 00000000..df8f6264
--- /dev/null
+++ b/packages/oui-loader/src/loader.component.js
@@ -0,0 +1,11 @@
+import template from './loader.html'
+import controller from './loader.controller'
+
+export default {
+  template,
+  controller,
+  bindings: {
+    inline: '<?',
+    size: '@?'
+  }
+}
diff --git a/packages/oui-loader/src/loader.controller.js b/packages/oui-loader/src/loader.controller.js
new file mode 100644
index 00000000..581886cf
--- /dev/null
+++ b/packages/oui-loader/src/loader.controller.js
@@ -0,0 +1,21 @@
+import _ from 'lodash'
+
+export default class {
+  constructor ($attrs) {
+    'ngInject'
+
+    this.$attrs = $attrs
+  }
+
+  $onInit () {
+    this.size = this.size || 'm'
+
+    if (_.has(this.$attrs, 'inline') && _.isEmpty(this.$attrs.inline)) {
+      this.inline = true
+    }
+
+    if (this.size === 's' && !_.has(this.$attrs, 'inline')) {
+      this.inline = true
+    }
+  }
+}
diff --git a/packages/oui-loader/src/loader.html b/packages/oui-loader/src/loader.html
new file mode 100644
index 00000000..d695c28b
--- /dev/null
+++ b/packages/oui-loader/src/loader.html
@@ -0,0 +1,9 @@
+<div class="oui-loader"
+  data-ng-class="[
+    { 'oui-loader_inline': $ctrl.inline },
+    'oui-loader_' + $ctrl.size
+  ]">
+  <div class="oui-loader__container">
+    <div class="oui-loader__image"></div>
+  </div>
+</div>
diff --git a/packages/oui-loader/webpack.config.babel.js b/packages/oui-loader/webpack.config.babel.js
new file mode 100644
index 00000000..1ba396ca
--- /dev/null
+++ b/packages/oui-loader/webpack.config.babel.js
@@ -0,0 +1,7 @@
+import merge from 'webpack-merge'
+
+const env = process.env.NODE_ENV || 'dist'
+
+export default merge(require(`../../build/webpack.${env}.config`).default, {
+  context: __dirname
+})
diff --git a/packages/oui-message/README.md b/packages/oui-message/README.md
index e8c7b04f..8d30cb9e 100644
--- a/packages/oui-message/README.md
+++ b/packages/oui-message/README.md
@@ -1,5 +1,7 @@
 # oui-message
 
+<component-status cx-design="partial" ux="rc"></component-status>
+
 ## Usage
 
 ### Success
diff --git a/packages/oui-radio-group/README.md b/packages/oui-radio-group/README.md
index 741060ed..7b58ba96 100644
--- a/packages/oui-radio-group/README.md
+++ b/packages/oui-radio-group/README.md
@@ -1,5 +1,7 @@
 # Radio group
 
+<component-status cx-design="partial" ux="rc"></component-status>
+
 ## One-way binding properties
 
 ### value
@@ -22,4 +24,4 @@
     <oui-radio label="Second" value="second"></oui-radio>
     <oui-radio label="Third" value="third"></oui-radio>
 </oui-radio-group>
-```
\ No newline at end of file
+```
diff --git a/packages/oui-radio/README.md b/packages/oui-radio/README.md
index 24a1dfcb..ac9905df 100644
--- a/packages/oui-radio/README.md
+++ b/packages/oui-radio/README.md
@@ -1,5 +1,7 @@
 # Radio
 
+<component-status cx-design="partial" ux="rc"></component-status>
+
 ## Usage
 
 ### Label
@@ -94,4 +96,4 @@
 
 ## Groups
 
-see `oui-radio-group` for details
\ No newline at end of file
+see `oui-radio-group` for details
diff --git a/yarn.lock b/yarn.lock
index 13ae1241..4225deca 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,6 +2,13 @@
 # yarn lockfile v1
 
 
+JSONStream@^1.0.4:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/JSONStream/-/JSONStream-1.3.1.tgz#707f761e01dae9e16f1bcf93703b78c70966579a"
+  dependencies:
+    jsonparse "^1.2.0"
+    through ">=2.2.7 <3"
+
 abbrev@1:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.0.tgz#d0554c2256636e2f56e7c2e5ad183f859428d81f"
@@ -37,6 +44,10 @@ acorn@~2.6.4:
   version "2.6.4"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-2.6.4.tgz#eb1f45b4a43fa31d03701a5ec46f3b52673e90ee"
 
+add-stream@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/add-stream/-/add-stream-1.0.0.tgz#6a7990437ca736d5e1288db92bd3266d5f5cb2aa"
+
 after@0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/after/-/after-0.8.2.tgz#fedb394f9f0e02aa9768e702bda23b505fae7e1f"
@@ -91,14 +102,14 @@ angular@^1.6.1:
   version "1.6.3"
   resolved "https://registry.yarnpkg.com/angular/-/angular-1.6.3.tgz#5d34b799234e8fa17c6a3a14e0258733935f43e7"
 
-ansi-escapes@^1.1.0:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-1.4.0.tgz#d3a8a83b319aa67793662b13e761c7911422306e"
-
 ansi-escapes@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-2.0.0.tgz#5bae52be424878dd9783e8910e3fc2922e83c81b"
 
+ansi-escapes@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-3.0.0.tgz#ec3e8b4e9f8064fc02c3ac9b65f1c275bda8ef92"
+
 ansi-html@0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/ansi-html/-/ansi-html-0.0.7.tgz#813584021962a9e9e6fd039f940d12f56ca7859e"
@@ -169,9 +180,9 @@ array-flatten@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/array-flatten/-/array-flatten-1.1.1.tgz#9a5f699051b1e7073328f2a008968b64ea2955d2"
 
-array-from@^2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/array-from/-/array-from-2.1.1.tgz#cfe9d8c26628b9dc5aecc62a9f5d8f1f352c1195"
+array-ify@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/array-ify/-/array-ify-1.0.0.tgz#9e528762b4a9066ad163a6962a364418e9626ece"
 
 array-slice@^0.2.3:
   version "0.2.3"
@@ -1042,6 +1053,10 @@ builtin-status-codes@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/builtin-status-codes/-/builtin-status-codes-3.0.0.tgz#85982878e21b98e1c66425e03d0174788f569ee8"
 
+byline@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/byline/-/byline-5.0.0.tgz#741c5216468eadc457b03410118ad77de8c1ddb1"
+
 bytes@2.4.0:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-2.4.0.tgz#7d97196f9d5baf7f6935e25985549edd2a6c2339"
@@ -1082,6 +1097,10 @@ camelcase@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-2.1.1.tgz#7c1d16d679a1bbe59ca02cacecfb011e201f5a1f"
 
+camelcase@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-4.1.0.tgz#d545635be1e33c542649c69173e5de6acfae34dd"
+
 caniuse-api@^1.5.2:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/caniuse-api/-/caniuse-api-1.5.3.tgz#5018e674b51c393e4d50614275dc017e27c4a2a2"
@@ -1128,6 +1147,14 @@ chalk@^2.0.0, chalk@^2.0.1:
     escape-string-regexp "^1.0.5"
     supports-color "^4.0.0"
 
+chalk@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.1.0.tgz#ac5becf14fa21b99c6c92ca7a7d7cfd5b17e743e"
+  dependencies:
+    ansi-styles "^3.1.0"
+    escape-string-regexp "^1.0.5"
+    supports-color "^4.0.0"
+
 chokidar@^1.0.0, chokidar@^1.4.1, chokidar@^1.6.1:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-1.6.1.tgz#2f4447ab5e96e50fb3d789fd90d4c72e0e4c70c2"
@@ -1143,6 +1170,10 @@ chokidar@^1.0.0, chokidar@^1.4.1, chokidar@^1.6.1:
   optionalDependencies:
     fsevents "^1.0.0"
 
+ci-info@^1.0.0:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-1.1.1.tgz#47b44df118c48d2597b56d342e7e25791060171a"
+
 circular-json@^0.3.1:
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/circular-json/-/circular-json-0.3.1.tgz#be8b36aefccde8b3ca7aa2d6afc07a37242c0d2d"
@@ -1168,12 +1199,6 @@ cli-color@^0.3.2:
     memoizee "~0.3.8"
     timers-ext "0.1"
 
-cli-cursor@^1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/cli-cursor/-/cli-cursor-1.0.2.tgz#64da3f7d56a54412e59794bd62dc35295e8f2987"
-  dependencies:
-    restore-cursor "^1.0.1"
-
 cli-cursor@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/cli-cursor/-/cli-cursor-2.1.0.tgz#b35dac376479facc3e94747d41d0d0f5238ffcb5"
@@ -1192,6 +1217,14 @@ cliui@^2.1.0:
     right-align "^0.1.1"
     wordwrap "0.0.2"
 
+cliui@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/cliui/-/cliui-3.2.0.tgz#120601537a916d29940f934da3b48d585a39213d"
+  dependencies:
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+    wrap-ansi "^2.0.0"
+
 clone@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/clone/-/clone-1.0.2.tgz#260b7a99ebb1edfe247538175f783243cb19d149"
@@ -1261,6 +1294,13 @@ colors@^1.1.0, colors@^1.1.2, colors@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/colors/-/colors-1.1.2.tgz#168a4701756b6a7f51a12ce0c97bfa28c084ed63"
 
+columnify@^1.5.4:
+  version "1.5.4"
+  resolved "https://registry.yarnpkg.com/columnify/-/columnify-1.5.4.tgz#4737ddf1c7b69a8a7c340570782e947eec8e78bb"
+  dependencies:
+    strip-ansi "^3.0.0"
+    wcwidth "^1.0.0"
+
 combine-lists@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/combine-lists/-/combine-lists-1.0.1.tgz#458c07e09e0d900fc28b70a3fec2dacd1d2cb7f6"
@@ -1273,12 +1313,9 @@ combined-stream@^1.0.5, combined-stream@~1.0.5:
   dependencies:
     delayed-stream "~1.0.0"
 
-command-join@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/command-join/-/command-join-1.1.1.tgz#09e7609012e1dd8b4f0a14fde41a69eff1d2111f"
-  dependencies:
-    array-from "^2.1.1"
-    repeat-string "^1.5.4"
+command-join@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/command-join/-/command-join-2.0.0.tgz#52e8b984f4872d952ff1bdc8b98397d27c7144cf"
 
 commander@2.9.x, commander@^2.8.1, commander@^2.9.0:
   version "2.9.0"
@@ -1290,6 +1327,13 @@ commondir@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/commondir/-/commondir-1.0.1.tgz#ddd800da0c66127393cca5950ea968a3aaf1253b"
 
+compare-func@^1.3.1:
+  version "1.3.2"
+  resolved "https://registry.yarnpkg.com/compare-func/-/compare-func-1.3.2.tgz#99dd0ba457e1f9bc722b12c08ec33eeab31fa648"
+  dependencies:
+    array-ify "^1.0.0"
+    dot-prop "^3.0.0"
+
 component-bind@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/component-bind/-/component-bind-1.0.0.tgz#00c608ab7dcd93897c0009651b1d3a8e1e73bbd1"
@@ -1318,7 +1362,7 @@ concat-stream@1.5.0:
     readable-stream "~2.0.0"
     typedarray "~0.0.5"
 
-concat-stream@^1.6.0:
+concat-stream@^1.4.10, concat-stream@^1.6.0:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.0.tgz#0aac662fd52be78964d5532f694784e70110acf7"
   dependencies:
@@ -1361,6 +1405,151 @@ content-type@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/content-type/-/content-type-1.0.2.tgz#b7d113aee7a8dd27bd21133c4dc2529df1721eed"
 
+conventional-changelog-angular@^1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-angular/-/conventional-changelog-angular-1.5.0.tgz#50b2d45008448455fdf67e06ea01972fbd08182a"
+  dependencies:
+    compare-func "^1.3.1"
+    q "^1.4.1"
+
+conventional-changelog-atom@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-atom/-/conventional-changelog-atom-0.1.1.tgz#d40a9b297961b53c745e5d1718fd1a3379f6a92f"
+  dependencies:
+    q "^1.4.1"
+
+conventional-changelog-cli@^1.3.2:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-cli/-/conventional-changelog-cli-1.3.3.tgz#ca38f229a27ec14036021b1786a48f5b8d48d7ff"
+  dependencies:
+    add-stream "^1.0.0"
+    conventional-changelog "^1.1.5"
+    lodash "^4.1.0"
+    meow "^3.7.0"
+    tempfile "^1.1.1"
+
+conventional-changelog-codemirror@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-codemirror/-/conventional-changelog-codemirror-0.2.0.tgz#3cc925955f3b14402827b15168049821972d9459"
+  dependencies:
+    q "^1.4.1"
+
+conventional-changelog-core@^1.9.1:
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-core/-/conventional-changelog-core-1.9.1.tgz#ddf767c405850dfc8df31726c80fa1a6a10bdc7b"
+  dependencies:
+    conventional-changelog-writer "^2.0.1"
+    conventional-commits-parser "^2.0.0"
+    dateformat "^1.0.12"
+    get-pkg-repo "^1.0.0"
+    git-raw-commits "^1.2.0"
+    git-remote-origin-url "^2.0.0"
+    git-semver-tags "^1.2.1"
+    lodash "^4.0.0"
+    normalize-package-data "^2.3.5"
+    q "^1.4.1"
+    read-pkg "^1.1.0"
+    read-pkg-up "^1.0.1"
+    through2 "^2.0.0"
+
+conventional-changelog-ember@^0.2.7:
+  version "0.2.7"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-ember/-/conventional-changelog-ember-0.2.7.tgz#c6aff35976284e7222649f81c62bd96ff3217bd2"
+  dependencies:
+    q "^1.4.1"
+
+conventional-changelog-eslint@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-eslint/-/conventional-changelog-eslint-0.2.0.tgz#b4b9b5dc09417844d87c7bcfb16bdcc686c4b1c1"
+  dependencies:
+    q "^1.4.1"
+
+conventional-changelog-express@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-express/-/conventional-changelog-express-0.2.0.tgz#8d666ad41b10ebf964a4602062ddd2e00deb518d"
+  dependencies:
+    q "^1.4.1"
+
+conventional-changelog-jquery@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-jquery/-/conventional-changelog-jquery-0.1.0.tgz#0208397162e3846986e71273b6c79c5b5f80f510"
+  dependencies:
+    q "^1.4.1"
+
+conventional-changelog-jscs@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-jscs/-/conventional-changelog-jscs-0.1.0.tgz#0479eb443cc7d72c58bf0bcf0ef1d444a92f0e5c"
+  dependencies:
+    q "^1.4.1"
+
+conventional-changelog-jshint@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-jshint/-/conventional-changelog-jshint-0.2.0.tgz#63ad7aec66cd1ae559bafe80348c4657a6eb1872"
+  dependencies:
+    compare-func "^1.3.1"
+    q "^1.4.1"
+
+conventional-changelog-writer@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/conventional-changelog-writer/-/conventional-changelog-writer-2.0.1.tgz#47c10d0faba526b78d194389d1e931d09ee62372"
+  dependencies:
+    compare-func "^1.3.1"
+    conventional-commits-filter "^1.0.0"
+    dateformat "^1.0.11"
+    handlebars "^4.0.2"
+    json-stringify-safe "^5.0.1"
+    lodash "^4.0.0"
+    meow "^3.3.0"
+    semver "^5.0.1"
+    split "^1.0.0"
+    through2 "^2.0.0"
+
+conventional-changelog@^1.1.5:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/conventional-changelog/-/conventional-changelog-1.1.5.tgz#4c46fb64b2986cab19888d8c4b87ca7c0e431bfd"
+  dependencies:
+    conventional-changelog-angular "^1.5.0"
+    conventional-changelog-atom "^0.1.1"
+    conventional-changelog-codemirror "^0.2.0"
+    conventional-changelog-core "^1.9.1"
+    conventional-changelog-ember "^0.2.7"
+    conventional-changelog-eslint "^0.2.0"
+    conventional-changelog-express "^0.2.0"
+    conventional-changelog-jquery "^0.1.0"
+    conventional-changelog-jscs "^0.1.0"
+    conventional-changelog-jshint "^0.2.0"
+
+conventional-commits-filter@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/conventional-commits-filter/-/conventional-commits-filter-1.0.0.tgz#6fc2a659372bc3f2339cf9ffff7e1b0344b93039"
+  dependencies:
+    is-subset "^0.1.1"
+    modify-values "^1.0.0"
+
+conventional-commits-parser@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/conventional-commits-parser/-/conventional-commits-parser-2.0.0.tgz#71d01910cb0a99aeb20c144e50f81f4df3178447"
+  dependencies:
+    JSONStream "^1.0.4"
+    is-text-path "^1.0.0"
+    lodash "^4.2.1"
+    meow "^3.3.0"
+    split2 "^2.0.0"
+    through2 "^2.0.0"
+    trim-off-newlines "^1.0.0"
+
+conventional-recommended-bump@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/conventional-recommended-bump/-/conventional-recommended-bump-1.0.1.tgz#56b8ae553a8a1152fa069e767599e1f6948bd36c"
+  dependencies:
+    concat-stream "^1.4.10"
+    conventional-commits-filter "^1.0.0"
+    conventional-commits-parser "^2.0.0"
+    git-raw-commits "^1.2.0"
+    git-semver-tags "^1.2.1"
+    meow "^3.3.0"
+    object-assign "^4.0.1"
+
 convert-source-map@^1.1.0, convert-source-map@^1.3.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.4.0.tgz#e3dad195bf61bfe13a7a3c73e9876ec14a0268f3"
@@ -1403,14 +1592,7 @@ cross-env@^3.2.3:
     cross-spawn "^5.1.0"
     is-windows "^1.0.0"
 
-cross-spawn@^4.0.0:
-  version "4.0.2"
-  resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-4.0.2.tgz#7b9247621c23adfdd3856004a823cbe397424d41"
-  dependencies:
-    lru-cache "^4.0.1"
-    which "^1.2.9"
-
-cross-spawn@^5.1.0:
+cross-spawn@^5.0.1, cross-spawn@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/cross-spawn/-/cross-spawn-5.1.0.tgz#e8bd0efee58fcff6f8f94510a0a554bbfa235449"
   dependencies:
@@ -1549,6 +1731,12 @@ d@^0.1.1, d@~0.1.1:
   dependencies:
     es5-ext "~0.10.2"
 
+dargs@^4.0.1:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/dargs/-/dargs-4.1.0.tgz#03a9dbb4b5c2f139bf14ae53f0b8a2a6a86f4e17"
+  dependencies:
+    number-is-nan "^1.0.0"
+
 dashdash@^1.12.0:
   version "1.14.1"
   resolved "https://registry.yarnpkg.com/dashdash/-/dashdash-1.14.1.tgz#853cfa0f7cbe2fed5de20326b8dd581035f6e2f0"
@@ -1559,6 +1747,13 @@ date-now@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/date-now/-/date-now-0.1.4.tgz#eaf439fd4d4848ad74e5cc7dbef200672b9e345b"
 
+dateformat@^1.0.11, dateformat@^1.0.12:
+  version "1.0.12"
+  resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-1.0.12.tgz#9f124b67594c937ff706932e4a642cca8dbbfee9"
+  dependencies:
+    get-stdin "^4.0.1"
+    meow "^3.3.0"
+
 debug@0.7.4:
   version "0.7.4"
   resolved "https://registry.yarnpkg.com/debug/-/debug-0.7.4.tgz#06e1ea8082c2cb14e39806e22e2f6f757f92af39"
@@ -1593,10 +1788,14 @@ debug@^2.2.0, debug@^2.6.8:
   dependencies:
     ms "2.0.0"
 
-decamelize@^1.0.0, decamelize@^1.1.2:
+decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
 
+dedent@^0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/dedent/-/dedent-0.7.0.tgz#2495ddbaf6eb874abb0e1be9df22d2e5a544326c"
+
 deep-extend@~0.4.0:
   version "0.4.1"
   resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.4.1.tgz#efe4113d08085f4e6f9687759810f807469e2253"
@@ -1611,6 +1810,12 @@ default-require-extensions@^1.0.0:
   dependencies:
     strip-bom "^2.0.0"
 
+defaults@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/defaults/-/defaults-1.0.3.tgz#c656051e9817d9ff08ed881477f3fe4019f3ef7d"
+  dependencies:
+    clone "^1.0.2"
+
 defined@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/defined/-/defined-1.0.0.tgz#c98d9bcef75674188e110969151199e39b1fa693"
@@ -1649,6 +1854,10 @@ detect-indent@^4.0.0:
   dependencies:
     repeating "^2.0.0"
 
+detect-indent@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/detect-indent/-/detect-indent-5.0.0.tgz#3871cc0a6a002e8c3e5b3cf7f336264675f06b9d"
+
 di@^0.0.1:
   version "0.0.1"
   resolved "https://registry.yarnpkg.com/di/-/di-0.0.1.tgz#806649326ceaa7caa3306d75d985ea2748ba913c"
@@ -1720,6 +1929,16 @@ domutils@1.5.1:
     dom-serializer "0"
     domelementtype "1"
 
+dot-prop@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/dot-prop/-/dot-prop-3.0.0.tgz#1b708af094a49c9a0e7dbcad790aba539dac1177"
+  dependencies:
+    is-obj "^1.0.0"
+
+duplexer@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/duplexer/-/duplexer-0.1.1.tgz#ace6ff808c1ce66b57d1ebf97977acb02334cfc1"
+
 ecc-jsbn@~0.1.1:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz#0fc73a9ed5f0d53c38193398523ef7e543777505"
@@ -1803,7 +2022,7 @@ errno@^0.1.1, errno@^0.1.3:
   dependencies:
     prr "~0.0.0"
 
-error-ex@^1.2.0:
+error-ex@^1.2.0, error-ex@^1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.1.tgz#f855a86ce61adc4e8621c3cda21e7a7612c3a8dc"
   dependencies:
@@ -2063,9 +2282,29 @@ eventsource-polyfill@^0.9.6:
   version "0.9.6"
   resolved "https://registry.yarnpkg.com/eventsource-polyfill/-/eventsource-polyfill-0.9.6.tgz#10e0d187f111b167f28fdab918843ce7d818f13c"
 
-exit-hook@^1.0.0:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/exit-hook/-/exit-hook-1.1.1.tgz#f05ca233b48c05d54fff07765df8507e95c02ff8"
+execa@^0.7.0:
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/execa/-/execa-0.7.0.tgz#944becd34cc41ee32a63a9faf27ad5a65fc59777"
+  dependencies:
+    cross-spawn "^5.0.1"
+    get-stream "^3.0.0"
+    is-stream "^1.1.0"
+    npm-run-path "^2.0.0"
+    p-finally "^1.0.0"
+    signal-exit "^3.0.0"
+    strip-eof "^1.0.0"
+
+execa@^0.8.0:
+  version "0.8.0"
+  resolved "https://registry.yarnpkg.com/execa/-/execa-0.8.0.tgz#d8d76bbc1b55217ed190fd6dd49d3c774ecfc8da"
+  dependencies:
+    cross-spawn "^5.0.1"
+    get-stream "^3.0.0"
+    is-stream "^1.1.0"
+    npm-run-path "^2.0.0"
+    p-finally "^1.0.0"
+    signal-exit "^3.0.0"
+    strip-eof "^1.0.0"
 
 expand-braces@^0.1.1:
   version "0.1.2"
@@ -2176,13 +2415,6 @@ fd-slicer@~1.0.1:
   dependencies:
     pend "~1.2.0"
 
-figures@^1.3.5:
-  version "1.7.0"
-  resolved "https://registry.yarnpkg.com/figures/-/figures-1.7.0.tgz#cbe1e3affcf1cd44b80cadfed28dc793a9701d2e"
-  dependencies:
-    escape-string-regexp "^1.0.5"
-    object-assign "^4.1.0"
-
 figures@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/figures/-/figures-2.0.0.tgz#3ab1a2d2a62c8bfb431a0c94cb797a2fce27c962"
@@ -2256,7 +2488,7 @@ find-up@^1.0.0:
     path-exists "^2.0.0"
     pinkie-promise "^2.0.0"
 
-find-up@^2.0.0:
+find-up@^2.0.0, find-up@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-2.1.0.tgz#45d1b7e506c717ddd482775a2b77920a3c0c57a7"
   dependencies:
@@ -2311,6 +2543,14 @@ fs-access@^1.0.0:
   dependencies:
     null-check "^1.0.0"
 
+fs-extra@^4.0.1:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-4.0.2.tgz#f91704c53d1b461f893452b0c307d9997647ab6b"
+  dependencies:
+    graceful-fs "^4.1.2"
+    jsonfile "^4.0.0"
+    universalify "^0.1.0"
+
 fs-extra@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-1.0.0.tgz#cd3ce5f7e7cb6145883fcae3191e9877f8587950"
@@ -2372,6 +2612,19 @@ gauge@~2.7.1:
     strip-ansi "^3.0.1"
     wide-align "^1.1.0"
 
+gauge@~2.7.3:
+  version "2.7.4"
+  resolved "https://registry.yarnpkg.com/gauge/-/gauge-2.7.4.tgz#2c03405c7538c39d7eb37b317022e325fb018bf7"
+  dependencies:
+    aproba "^1.0.3"
+    console-control-strings "^1.0.0"
+    has-unicode "^2.0.0"
+    object-assign "^4.1.0"
+    signal-exit "^3.0.0"
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+    wide-align "^1.1.0"
+
 generate-function@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/generate-function/-/generate-function-2.0.0.tgz#6858fe7c0969b7d4e9093337647ac79f60dfbe74"
@@ -2382,16 +2635,68 @@ generate-object-property@^1.1.0:
   dependencies:
     is-property "^1.0.0"
 
+get-caller-file@^1.0.1:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.2.tgz#f702e63127e7e231c160a80c1554acb70d5047e5"
+
+get-pkg-repo@^1.0.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/get-pkg-repo/-/get-pkg-repo-1.4.0.tgz#c73b489c06d80cc5536c2c853f9e05232056972d"
+  dependencies:
+    hosted-git-info "^2.1.4"
+    meow "^3.3.0"
+    normalize-package-data "^2.3.0"
+    parse-github-repo-url "^1.3.0"
+    through2 "^2.0.0"
+
+get-port@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/get-port/-/get-port-3.2.0.tgz#dd7ce7de187c06c8bf353796ac71e099f0980ebc"
+
 get-stdin@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
 
+get-stream@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-3.0.0.tgz#8e943d1358dc37555054ecbe2edb05aa174ede14"
+
 getpass@^0.1.1:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/getpass/-/getpass-0.1.6.tgz#283ffd9fc1256840875311c1b60e8c40187110e6"
   dependencies:
     assert-plus "^1.0.0"
 
+git-raw-commits@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/git-raw-commits/-/git-raw-commits-1.2.0.tgz#0f3a8bfd99ae0f2d8b9224d58892975e9a52d03c"
+  dependencies:
+    dargs "^4.0.1"
+    lodash.template "^4.0.2"
+    meow "^3.3.0"
+    split2 "^2.0.0"
+    through2 "^2.0.0"
+
+git-remote-origin-url@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/git-remote-origin-url/-/git-remote-origin-url-2.0.0.tgz#5282659dae2107145a11126112ad3216ec5fa65f"
+  dependencies:
+    gitconfiglocal "^1.0.0"
+    pify "^2.3.0"
+
+git-semver-tags@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/git-semver-tags/-/git-semver-tags-1.2.1.tgz#6ccd2a52e735b736748dc762444fcd9588e27490"
+  dependencies:
+    meow "^3.3.0"
+    semver "^5.0.1"
+
+gitconfiglocal@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/gitconfiglocal/-/gitconfiglocal-1.0.0.tgz#41d045f3851a5ea88f03f24ca1c6178114464b9b"
+  dependencies:
+    ini "^1.3.2"
+
 glob-base@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/glob-base/-/glob-base-0.3.0.tgz#dbb164f6221b1c0b1ccf82aea328b497df0ea3c4"
@@ -2405,6 +2710,13 @@ glob-parent@^2.0.0:
   dependencies:
     is-glob "^2.0.0"
 
+glob-parent@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-3.1.0.tgz#9e6af6299d8d3bd2bd40430832bd113df906c5ae"
+  dependencies:
+    is-glob "^3.1.0"
+    path-dirname "^1.0.0"
+
 glob@^7.0.0:
   version "7.1.1"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.1.tgz#805211df04faaf1c63a3600306cdf5ade50b2ec8"
@@ -2416,7 +2728,7 @@ glob@^7.0.0:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.0.3, glob@^7.0.5, glob@^7.0.6, glob@^7.1.1, glob@^7.1.2:
+glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@^7.1.2:
   version "7.1.2"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"
   dependencies:
@@ -2442,7 +2754,17 @@ globby@^5.0.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
-graceful-fs@^4.1.2, graceful-fs@^4.1.4, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
+globby@^6.1.0:
+  version "6.1.0"
+  resolved "https://registry.yarnpkg.com/globby/-/globby-6.1.0.tgz#f5a6d70e8395e21c858fb0489d64df02424d506c"
+  dependencies:
+    array-union "^1.0.1"
+    glob "^7.0.3"
+    object-assign "^4.0.1"
+    pify "^2.0.0"
+    pinkie-promise "^2.0.0"
+
+graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.4, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
 
@@ -2450,6 +2772,16 @@ graceful-fs@^4.1.2, graceful-fs@^4.1.4, graceful-fs@^4.1.6, graceful-fs@^4.1.9:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/graceful-readlink/-/graceful-readlink-1.0.1.tgz#4cafad76bc62f02fa039b2f94e9a3dd3a391a725"
 
+handlebars@^4.0.2:
+  version "4.0.10"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.10.tgz#3d30c718b09a3d96f23ea4cc1f403c4d3ba9ff4f"
+  dependencies:
+    async "^1.4.0"
+    optimist "^0.6.1"
+    source-map "^0.4.4"
+  optionalDependencies:
+    uglify-js "^2.6"
+
 handlebars@^4.0.3:
   version "4.0.6"
   resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.6.tgz#2ce4484850537f9c97a8026d5399b935c4ed4ed7"
@@ -2683,7 +3015,7 @@ inflight@^1.0.4:
     once "^1.3.0"
     wrappy "1"
 
-inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1:
+inherits@2, inherits@2.0.3, inherits@^2.0.1, inherits@^2.0.3, inherits@~2.0.0, inherits@~2.0.1, inherits@~2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
 
@@ -2691,33 +3023,34 @@ inherits@2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.1.tgz#b17d08d326b4423e568eff719f91b0b1cbdf69f1"
 
-ini@~1.3.0:
+ini@^1.3.2, ini@~1.3.0:
   version "1.3.4"
   resolved "https://registry.yarnpkg.com/ini/-/ini-1.3.4.tgz#0537cb79daf59b59a1a517dff706c86ec039162e"
 
-inquirer@^0.12.0:
-  version "0.12.0"
-  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-0.12.0.tgz#1ef2bfd63504df0bc75785fff8c2c41df12f077e"
+inquirer@^3.0.6:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-3.2.1.tgz#06ceb0f540f45ca548c17d6840959878265fa175"
   dependencies:
-    ansi-escapes "^1.1.0"
-    ansi-regex "^2.0.0"
-    chalk "^1.0.0"
-    cli-cursor "^1.0.1"
+    ansi-escapes "^2.0.0"
+    chalk "^2.0.0"
+    cli-cursor "^2.1.0"
     cli-width "^2.0.0"
-    figures "^1.3.5"
+    external-editor "^2.0.4"
+    figures "^2.0.0"
     lodash "^4.3.0"
-    readline2 "^1.0.1"
-    run-async "^0.1.0"
-    rx-lite "^3.1.2"
-    string-width "^1.0.1"
-    strip-ansi "^3.0.0"
+    mute-stream "0.0.7"
+    run-async "^2.2.0"
+    rx-lite "^4.0.8"
+    rx-lite-aggregates "^4.0.8"
+    string-width "^2.1.0"
+    strip-ansi "^4.0.0"
     through "^2.3.6"
 
-inquirer@^3.0.6:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-3.2.1.tgz#06ceb0f540f45ca548c17d6840959878265fa175"
+inquirer@^3.2.2:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-3.3.0.tgz#9dd2f2ad765dcab1ff0443b491442a20ba227dc9"
   dependencies:
-    ansi-escapes "^2.0.0"
+    ansi-escapes "^3.0.0"
     chalk "^2.0.0"
     cli-cursor "^2.1.0"
     cli-width "^2.0.0"
@@ -2742,6 +3075,10 @@ invariant@^2.2.0:
   dependencies:
     loose-envify "^1.0.0"
 
+invert-kv@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/invert-kv/-/invert-kv-1.0.0.tgz#104a8e4aaca6d3d8cd157a8ef8bfab2d7a3ffdb6"
+
 ipaddr.js@1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/ipaddr.js/-/ipaddr.js-1.3.0.tgz#1e03a52fdad83a8bbb2b25cbf4998b4cffcd3dec"
@@ -2770,6 +3107,12 @@ is-builtin-module@^1.0.0:
   dependencies:
     builtin-modules "^1.0.0"
 
+is-ci@^1.0.10:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/is-ci/-/is-ci-1.0.10.tgz#f739336b2632365061a9d48270cd56ae3369318e"
+  dependencies:
+    ci-info "^1.0.0"
+
 is-dotfile@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-dotfile/-/is-dotfile-1.0.2.tgz#2c132383f39199f8edc268ca01b9b007d205cc4d"
@@ -2788,6 +3131,10 @@ is-extglob@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-1.0.0.tgz#ac468177c4943405a092fc8f29760c6ffc6206c0"
 
+is-extglob@^2.1.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-2.1.1.tgz#a88c02535791f02ed37c76a1b9ea9773c833f8c2"
+
 is-finite@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/is-finite/-/is-finite-1.0.2.tgz#cc6677695602be550ef11e8b4aa6305342b6d0aa"
@@ -2810,6 +3157,12 @@ is-glob@^2.0.0, is-glob@^2.0.1:
   dependencies:
     is-extglob "^1.0.0"
 
+is-glob@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-3.1.0.tgz#7ba5ae24217804ac70707b96922567486cc3e84a"
+  dependencies:
+    is-extglob "^2.1.0"
+
 is-my-json-valid@^2.12.4:
   version "2.16.0"
   resolved "https://registry.yarnpkg.com/is-my-json-valid/-/is-my-json-valid-2.16.0.tgz#f079dd9bfdae65ee2038aae8acbc86ab109e3693"
@@ -2836,6 +3189,10 @@ is-number@^2.0.2, is-number@^2.1.0:
   dependencies:
     kind-of "^3.0.2"
 
+is-obj@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-obj/-/is-obj-1.0.1.tgz#3e4729ac1f5fde025cd7d83a896dab9f4f67db0f"
+
 is-path-cwd@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-path-cwd/-/is-path-cwd-1.0.0.tgz#d225ec23132e89edd38fda767472e62e65f1106d"
@@ -2878,16 +3235,26 @@ is-resolvable@^1.0.0:
   dependencies:
     tryit "^1.0.1"
 
-is-stream@^1.0.1:
+is-stream@^1.0.1, is-stream@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/is-stream/-/is-stream-1.1.0.tgz#12d4a3dd4e68e0b79ceb8dbc84173ae80d91ca44"
 
+is-subset@^0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/is-subset/-/is-subset-0.1.1.tgz#8a59117d932de1de00f245fcdd39ce43f1e939a6"
+
 is-svg@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/is-svg/-/is-svg-2.1.0.tgz#cf61090da0d9efbcab8722deba6f032208dbb0e9"
   dependencies:
     html-comment-regex "^1.1.0"
 
+is-text-path@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/is-text-path/-/is-text-path-1.0.1.tgz#4e1aa0fb51bfbcb3e92688001397202c1775b66e"
+  dependencies:
+    text-extensions "^1.0.0"
+
 is-typedarray@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-typedarray/-/is-typedarray-1.0.0.tgz#e479c80858df0c1b11ddda6940f96011fcda4a9a"
@@ -3061,7 +3428,7 @@ json-stable-stringify@^1.0.1:
   dependencies:
     jsonify "~0.0.0"
 
-json-stringify-safe@~5.0.1:
+json-stringify-safe@^5.0.1, json-stringify-safe@~5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
 
@@ -3079,10 +3446,20 @@ jsonfile@^2.1.0:
   optionalDependencies:
     graceful-fs "^4.1.6"
 
+jsonfile@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-4.0.0.tgz#8771aae0799b64076b76640fca058f9c10e33ecb"
+  optionalDependencies:
+    graceful-fs "^4.1.6"
+
 jsonify@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/jsonify/-/jsonify-0.0.0.tgz#2c74b6ee41d93ca51b7b5aaee8f503631d252a73"
 
+jsonparse@^1.2.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/jsonparse/-/jsonparse-1.3.1.tgz#3f4dae4a91fac315f71062f8521cc239f1366280"
+
 jsonpointer@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/jsonpointer/-/jsonpointer-4.0.1.tgz#4fd92cb34e0e9db3c89c8622ecf51f9b978c6cb9"
@@ -3206,33 +3583,52 @@ lazy-cache@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
 
-lerna@2.0.0-beta.32:
-  version "2.0.0-beta.32"
-  resolved "https://registry.yarnpkg.com/lerna/-/lerna-2.0.0-beta.32.tgz#67d51b1520ce57a27b8445160726b48f6dba3f1c"
+lcid@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/lcid/-/lcid-1.0.0.tgz#308accafa0bc483a3867b4b6f2b9506251d1b835"
+  dependencies:
+    invert-kv "^1.0.0"
+
+lerna@~2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/lerna/-/lerna-2.2.0.tgz#dcf588f8c8feb57d76b34ef72cfedef23f1b5807"
   dependencies:
     async "^1.5.0"
-    chalk "^1.1.1"
+    chalk "^2.1.0"
     cmd-shim "^2.0.2"
-    command-join "^1.1.1"
-    cross-spawn "^4.0.0"
-    glob "^7.0.6"
-    inquirer "^0.12.0"
-    lodash.find "^4.3.0"
-    lodash.unionwith "^4.2.0"
-    meow "^3.7.0"
-    minimatch "^3.0.0"
-    mkdirp "^0.5.1"
-    normalize-path "^2.0.1"
-    object-assign "^4.0.1"
-    object-assign-sorted "^1.0.0"
-    pad "^1.0.0"
-    path-exists "^2.1.0"
-    progress "^1.1.8"
+    columnify "^1.5.4"
+    command-join "^2.0.0"
+    conventional-changelog-cli "^1.3.2"
+    conventional-recommended-bump "^1.0.1"
+    dedent "^0.7.0"
+    execa "^0.8.0"
+    find-up "^2.1.0"
+    fs-extra "^4.0.1"
+    get-port "^3.2.0"
+    glob "^7.1.2"
+    glob-parent "^3.1.0"
+    globby "^6.1.0"
+    graceful-fs "^4.1.11"
+    inquirer "^3.2.2"
+    is-ci "^1.0.10"
+    load-json-file "^3.0.0"
+    lodash "^4.17.4"
+    minimatch "^3.0.4"
+    npmlog "^4.1.2"
+    p-finally "^1.0.0"
+    path-exists "^3.0.0"
     read-cmd-shim "^1.0.1"
-    rimraf "^2.4.4"
-    semver "^5.1.0"
-    signal-exit "^2.1.2"
-    sync-exec "^0.6.2"
+    read-pkg "^2.0.0"
+    rimraf "^2.6.1"
+    safe-buffer "^5.1.1"
+    semver "^5.4.1"
+    signal-exit "^3.0.2"
+    strong-log-transformer "^1.0.6"
+    temp-write "^3.3.0"
+    write-file-atomic "^2.3.0"
+    write-json-file "^2.2.0"
+    write-pkg "^3.1.0"
+    yargs "^8.0.2"
 
 less-loader@^2.2.3:
   version "2.2.3"
@@ -3283,6 +3679,15 @@ load-json-file@^2.0.0:
     pify "^2.0.0"
     strip-bom "^3.0.0"
 
+load-json-file@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-3.0.0.tgz#7eb3735d983a7ed2262ade4ff769af5369c5c440"
+  dependencies:
+    graceful-fs "^4.1.2"
+    parse-json "^3.0.0"
+    pify "^2.0.0"
+    strip-bom "^3.0.0"
+
 loader-fs-cache@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/loader-fs-cache/-/loader-fs-cache-1.0.1.tgz#56e0bf08bd9708b26a765b68509840c8dec9fdbc"
@@ -3322,6 +3727,10 @@ locate-path@^2.0.0:
     p-locate "^2.0.0"
     path-exists "^3.0.0"
 
+lodash._reinterpolate@~3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz#0ccf2d89166af03b3663c796538b75ac6e114d9d"
+
 lodash.camelcase@^4.3.0:
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz#b28aa6288a2b9fc651035c7711f65ab6190331a6"
@@ -3330,10 +3739,6 @@ lodash.cond@^4.3.0:
   version "4.5.2"
   resolved "https://registry.yarnpkg.com/lodash.cond/-/lodash.cond-4.5.2.tgz#f471a1da486be60f6ab955d17115523dd1d255d5"
 
-lodash.find@^4.3.0:
-  version "4.6.0"
-  resolved "https://registry.yarnpkg.com/lodash.find/-/lodash.find-4.6.0.tgz#cb0704d47ab71789ffa0de8b97dd926fb88b13b1"
-
 lodash.isfinite@^3.3.2:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/lodash.isfinite/-/lodash.isfinite-3.3.2.tgz#fb89b65a9a80281833f0b7478b3a5104f898ebb3"
@@ -3342,9 +3747,18 @@ lodash.memoize@^4.1.0:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-4.1.2.tgz#bcc6c49a42a2840ed997f323eada5ecd182e0bfe"
 
-lodash.unionwith@^4.2.0:
-  version "4.6.0"
-  resolved "https://registry.yarnpkg.com/lodash.unionwith/-/lodash.unionwith-4.6.0.tgz#74d140b5ca8146e6c643c3724f5152538d9ac1f0"
+lodash.template@^4.0.2:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/lodash.template/-/lodash.template-4.4.0.tgz#e73a0385c8355591746e020b99679c690e68fba0"
+  dependencies:
+    lodash._reinterpolate "~3.0.0"
+    lodash.templatesettings "^4.0.0"
+
+lodash.templatesettings@^4.0.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/lodash.templatesettings/-/lodash.templatesettings-4.1.0.tgz#2b4d4e95ba440d915ff08bc899e4553666713316"
+  dependencies:
+    lodash._reinterpolate "~3.0.0"
 
 lodash.uniq@^4.3.0:
   version "4.5.0"
@@ -3354,7 +3768,7 @@ lodash@^3.8.0:
   version "3.10.1"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-3.10.1.tgz#5bf45e8e49ba4189e17d482789dfd15bd140b7b6"
 
-lodash@^4.0.0, lodash@^4.0.1, lodash@^4.14.0, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.3.0, lodash@^4.5.0:
+lodash@^4.0.0, lodash@^4.0.1, lodash@^4.1.0, lodash@^4.14.0, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.2.1, lodash@^4.3.0, lodash@^4.5.0:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
@@ -3413,6 +3827,12 @@ magic-string@^0.14.0:
   dependencies:
     vlq "^0.2.1"
 
+make-dir@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.0.0.tgz#97a011751e91dd87cfadef58832ebb04936de978"
+  dependencies:
+    pify "^2.3.0"
+
 map-obj@^1.0.0, map-obj@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/map-obj/-/map-obj-1.0.1.tgz#d933ceb9205d82bdcf4886f6742bdc2b4dea146d"
@@ -3429,6 +3849,12 @@ media-typer@0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/media-typer/-/media-typer-0.3.0.tgz#8710d7af0aa626f8fffa1ce00168545263255748"
 
+mem@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/mem/-/mem-1.1.0.tgz#5edd52b485ca1d900fe64895505399a0dfa45f76"
+  dependencies:
+    mimic-fn "^1.0.0"
+
 memoizee@~0.3.8:
   version "0.3.10"
   resolved "https://registry.yarnpkg.com/memoizee/-/memoizee-0.3.10.tgz#4eca0d8aed39ec9d017f4c5c2f2f6432f42e5c8f"
@@ -3459,7 +3885,7 @@ memory-fs@~0.4.1:
     errno "^0.1.3"
     readable-stream "^2.0.1"
 
-meow@^3.7.0:
+meow@^3.3.0, meow@^3.7.0:
   version "3.7.0"
   resolved "https://registry.yarnpkg.com/meow/-/meow-3.7.0.tgz#72cb668b425228290abbfa856892587308a801fb"
   dependencies:
@@ -3544,6 +3970,10 @@ minimist@0.0.8, minimist@~0.0.1:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
+minimist@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.1.0.tgz#99df657a52574c21c9057497df742790b2b4c0de"
+
 minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
@@ -3560,6 +3990,14 @@ mkdirp@0.5.1, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkd
   dependencies:
     minimist "0.0.8"
 
+modify-values@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/modify-values/-/modify-values-1.0.0.tgz#e2b6cdeb9ce19f99317a53722f3dbf5df5eaaab2"
+
+moment@^2.6.0:
+  version "2.18.1"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.18.1.tgz#c36193dd3ce1c2eed2adb7c802dbbc77a81b1c0f"
+
 ms@0.7.1:
   version "0.7.1"
   resolved "https://registry.yarnpkg.com/ms/-/ms-0.7.1.tgz#9cd13c03adbff25b65effde7ce864ee952017098"
@@ -3572,10 +4010,6 @@ ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
 
-mute-stream@0.0.5:
-  version "0.0.5"
-  resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.5.tgz#8fbfabb0a98a253d3184331f9e8deb7372fac6c0"
-
 mute-stream@0.0.7:
   version "0.0.7"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.7.tgz#3075ce93bc21b8fab43e1bc4da7e8115ed1e7bab"
@@ -3700,6 +4134,15 @@ nopt@~3.0.6:
   dependencies:
     abbrev "1"
 
+normalize-package-data@^2.3.0, normalize-package-data@^2.3.5:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.4.0.tgz#12f95a307d58352075a04907b84ac8be98ac012f"
+  dependencies:
+    hosted-git-info "^2.1.4"
+    is-builtin-module "^1.0.0"
+    semver "2 || 3 || 4 || 5"
+    validate-npm-package-license "^3.0.1"
+
 normalize-package-data@^2.3.2, normalize-package-data@^2.3.4:
   version "2.3.6"
   resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.3.6.tgz#498fa420c96401f787402ba21e600def9f981fff"
@@ -3726,6 +4169,12 @@ normalize-url@^1.4.0:
     query-string "^4.1.0"
     sort-keys "^1.0.0"
 
+npm-run-path@^2.0.0:
+  version "2.0.2"
+  resolved "https://registry.yarnpkg.com/npm-run-path/-/npm-run-path-2.0.2.tgz#35a9232dfa35d7067b4cb2ddf2357b1871536c5f"
+  dependencies:
+    path-key "^2.0.0"
+
 npmlog@^4.0.1:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.0.2.tgz#d03950e0e78ce1527ba26d2a7592e9348ac3e75f"
@@ -3735,6 +4184,15 @@ npmlog@^4.0.1:
     gauge "~2.7.1"
     set-blocking "~2.0.0"
 
+npmlog@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/npmlog/-/npmlog-4.1.2.tgz#08a7f2a8bf734604779a9efa4ad5cc717abb954b"
+  dependencies:
+    are-we-there-yet "~1.1.2"
+    console-control-strings "~1.1.0"
+    gauge "~2.7.3"
+    set-blocking "~2.0.0"
+
 nth-check@~1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/nth-check/-/nth-check-1.0.1.tgz#9929acdf628fc2c41098deab82ac580cf149aae4"
@@ -3757,13 +4215,6 @@ oauth-sign@~0.8.1:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.8.2.tgz#46a6ab7f0aead8deae9ec0565780b7d4efeb9d43"
 
-object-assign-sorted@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/object-assign-sorted/-/object-assign-sorted-1.0.0.tgz#e739f698164014ec1f050f38decabad1e9b228bf"
-  dependencies:
-    object-assign "^4.0.1"
-    sorted-object "^2.0.0"
-
 object-assign@4.1.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.0.tgz#7a3b3d0e98063d43f4c03f2e8ae6cd51a86883a0"
@@ -3805,10 +4256,6 @@ once@~1.3.3:
   dependencies:
     wrappy "1"
 
-onetime@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/onetime/-/onetime-1.1.0.tgz#a1f7838f8314c516f05ecefcbc4ccfe04b4ed789"
-
 onetime@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/onetime/-/onetime-2.0.1.tgz#067428230fd67443b2794b22bba528b6867962d4"
@@ -3862,7 +4309,15 @@ os-homedir@^1.0.0, os-homedir@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-homedir/-/os-homedir-1.0.2.tgz#ffbc4988336e0e833de0c168c7ef152121aa7fb3"
 
-os-tmpdir@^1.0.1, os-tmpdir@~1.0.1:
+os-locale@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/os-locale/-/os-locale-2.1.0.tgz#42bc2900a6b5b8bd17376c8e882b65afccf24bf2"
+  dependencies:
+    execa "^0.7.0"
+    lcid "^1.0.0"
+    mem "^1.1.0"
+
+os-tmpdir@^1.0.0, os-tmpdir@^1.0.1, os-tmpdir@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"
 
@@ -3880,6 +4335,10 @@ output-file-sync@^1.1.0:
   dependencies:
     less-plugin-remcalc "^0.0.1"
 
+p-finally@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/p-finally/-/p-finally-1.0.0.tgz#3fbcfb15b899a44123b34b6dcc18b724336a2cae"
+
 p-limit@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/p-limit/-/p-limit-1.1.0.tgz#b07ff2d9a5d88bec806035895a2bab66a27988bc"
@@ -3890,10 +4349,6 @@ p-locate@^2.0.0:
   dependencies:
     p-limit "^1.1.0"
 
-pad@^1.0.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/pad/-/pad-1.1.0.tgz#7a7d185200ebac32f9f12ee756c3a1d087b3190b"
-
 pako@~0.2.0:
   version "0.2.9"
   resolved "https://registry.yarnpkg.com/pako/-/pako-0.2.9.tgz#f3f7522f4ef782348da8161bad9ecfd51bf83a75"
@@ -3904,6 +4359,10 @@ param-case@2.1.x:
   dependencies:
     no-case "^2.2.0"
 
+parse-github-repo-url@^1.3.0:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/parse-github-repo-url/-/parse-github-repo-url-1.4.1.tgz#9e7d8bb252a6cb6ba42595060b7bf6df3dbc1f50"
+
 parse-glob@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/parse-glob/-/parse-glob-3.0.4.tgz#b2c376cfb11f35513badd173ef0bb6e3a388391c"
@@ -3919,6 +4378,12 @@ parse-json@^2.2.0:
   dependencies:
     error-ex "^1.2.0"
 
+parse-json@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-3.0.0.tgz#fa6f47b18e23826ead32f263e744d0e1e847fb13"
+  dependencies:
+    error-ex "^1.3.1"
+
 parsejson@0.0.3:
   version "0.0.3"
   resolved "https://registry.yarnpkg.com/parsejson/-/parsejson-0.0.3.tgz#ab7e3759f209ece99437973f7d0f1f64ae0e64ab"
@@ -3945,7 +4410,11 @@ path-browserify@0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/path-browserify/-/path-browserify-0.0.0.tgz#a0b870729aae214005b7d5032ec2cbbb0fb4451a"
 
-path-exists@^2.0.0, path-exists@^2.1.0:
+path-dirname@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/path-dirname/-/path-dirname-1.0.2.tgz#cc33d24d525e099a5388c0336c6e32b9160609e0"
+
+path-exists@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
   dependencies:
@@ -3963,6 +4432,10 @@ path-is-inside@^1.0.1, path-is-inside@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/path-is-inside/-/path-is-inside-1.0.2.tgz#365417dede44430d1c11af61027facf074bdfc53"
 
+path-key@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/path-key/-/path-key-2.0.1.tgz#411cadb574c5a140d3a4b1910d40d80cc9f40b40"
+
 path-parse@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/path-parse/-/path-parse-1.0.5.tgz#3c1adf871ea9cd6c9431b6ea2bd74a0ff055c4c1"
@@ -4011,7 +4484,7 @@ phantomjs-prebuilt@^2.1.7:
     request-progress "~2.0.1"
     which "~1.2.10"
 
-pify@^2.0.0:
+pify@^2.0.0, pify@^2.2.0, pify@^2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
 
@@ -4351,14 +4824,14 @@ process@^0.11.0:
   version "0.11.9"
   resolved "https://registry.yarnpkg.com/process/-/process-0.11.9.tgz#7bd5ad21aa6253e7da8682264f1e11d11c0318c1"
 
-progress@^1.1.8, progress@~1.1.8:
-  version "1.1.8"
-  resolved "https://registry.yarnpkg.com/progress/-/progress-1.1.8.tgz#e260c78f6161cdd9b0e56cc3e0a85de17c7a57be"
-
 progress@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/progress/-/progress-2.0.0.tgz#8a1be366bf8fc23db2bd23f10c6fe920b4389d1f"
 
+progress@~1.1.8:
+  version "1.1.8"
+  resolved "https://registry.yarnpkg.com/progress/-/progress-1.1.8.tgz#e260c78f6161cdd9b0e56cc3e0a85de17c7a57be"
+
 promise@^7.1.1:
   version "7.1.1"
   resolved "https://registry.yarnpkg.com/promise/-/promise-7.1.1.tgz#489654c692616b8aa55b0724fa809bb7db49c5bf"
@@ -4392,6 +4865,10 @@ q@^1.1.2:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/q/-/q-1.4.1.tgz#55705bcd93c5f3673530c2c2cbc0c2b3addc286e"
 
+q@^1.4.1:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/q/-/q-1.5.0.tgz#dd01bac9d06d30e6f219aecb8253ee9ebdc308f1"
+
 qjobs@^1.1.4:
   version "1.1.5"
   resolved "https://registry.yarnpkg.com/qjobs/-/qjobs-1.1.5.tgz#659de9f2cf8dcc27a1481276f205377272382e73"
@@ -4467,7 +4944,7 @@ read-pkg-up@^2.0.0:
     find-up "^2.0.0"
     read-pkg "^2.0.0"
 
-read-pkg@^1.0.0:
+read-pkg@^1.0.0, read-pkg@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
   dependencies:
@@ -4504,6 +4981,18 @@ readable-stream@1.0, readable-stream@~1.0.2:
     string_decoder "~0.10.x"
     util-deprecate "~1.0.1"
 
+readable-stream@^2.1.5:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~1.0.6"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.0.3"
+    util-deprecate "~1.0.1"
+
 readable-stream@~2.0.0:
   version "2.0.6"
   resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.0.6.tgz#8f90341e68a53ccc928788dacfcd11b36eb9b78e"
@@ -4536,14 +5025,6 @@ readdirp@^2.0.0:
     readable-stream "^2.0.2"
     set-immediate-shim "^1.0.1"
 
-readline2@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/readline2/-/readline2-1.0.1.tgz#41059608ffc154757b715d9989d199ffbf372e35"
-  dependencies:
-    code-point-at "^1.0.0"
-    is-fullwidth-code-point "^1.0.0"
-    mute-stream "0.0.5"
-
 recast@~0.11.12:
   version "0.11.22"
   resolved "https://registry.yarnpkg.com/recast/-/recast-0.11.22.tgz#dedeb18fb001a2bbc6ac34475fda53dfe3d47dfa"
@@ -4645,7 +5126,7 @@ repeat-string@^0.2.2:
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-0.2.2.tgz#c7a8d3236068362059a7e4651fc6884e8b1fb4ae"
 
-repeat-string@^1.5.2, repeat-string@^1.5.4:
+repeat-string@^1.5.2:
   version "1.6.1"
   resolved "https://registry.yarnpkg.com/repeat-string/-/repeat-string-1.6.1.tgz#8dcae470e1c88abc2d600fff4a776286da75e637"
 
@@ -4712,10 +5193,18 @@ request@~2.79.0:
     tunnel-agent "~0.4.1"
     uuid "^3.0.0"
 
+require-directory@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/require-directory/-/require-directory-2.1.1.tgz#8c64ad5fd30dab1c976e2344ffe7f792a6a6df42"
+
 require-from-string@^1.1.0:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/require-from-string/-/require-from-string-1.2.1.tgz#529c9ccef27380adfec9a2f965b649bbee636418"
 
+require-main-filename@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/require-main-filename/-/require-main-filename-1.0.1.tgz#97f717b69d48784f5f526a6c5aa8ffdda055a4d1"
+
 require-uncached@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/require-uncached/-/require-uncached-1.0.3.tgz#4e0d56d6c9662fd31e43011c4b95aa49955421d3"
@@ -4737,13 +5226,6 @@ resolve@^1.2.0, resolve@^1.3.3:
   dependencies:
     path-parse "^1.0.5"
 
-restore-cursor@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-1.0.1.tgz#34661f46886327fed2991479152252df92daa541"
-  dependencies:
-    exit-hook "^1.0.0"
-    onetime "^1.0.0"
-
 restore-cursor@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/restore-cursor/-/restore-cursor-2.0.0.tgz#9f7ee287f82fd326d4fd162923d62129eee0dfaf"
@@ -4773,12 +5255,6 @@ ripemd160@0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/ripemd160/-/ripemd160-0.2.0.tgz#2bf198bde167cacfa51c0a928e84b68bbe171fce"
 
-run-async@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/run-async/-/run-async-0.1.0.tgz#c8ad4a5e110661e402a7d21b530e009f25f8e389"
-  dependencies:
-    once "^1.3.0"
-
 run-async@^2.2.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/run-async/-/run-async-2.3.0.tgz#0371ab4ae0bdd720d4166d7dfda64ff7a445a6c0"
@@ -4795,14 +5271,14 @@ rx-lite@*, rx-lite@^4.0.8:
   version "4.0.8"
   resolved "https://registry.yarnpkg.com/rx-lite/-/rx-lite-4.0.8.tgz#0b1e11af8bc44836f04a6407e92da42467b79444"
 
-rx-lite@^3.1.2:
-  version "3.1.2"
-  resolved "https://registry.yarnpkg.com/rx-lite/-/rx-lite-3.1.2.tgz#19ce502ca572665f3b647b10939f97fd1615f102"
-
 safe-buffer@^5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.0.1.tgz#d263ca54696cd8a306b5ca6551e92de57918fbe7"
 
+safe-buffer@^5.1.1, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+  version "5.1.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
+
 sax@~1.2.1:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/sax/-/sax-1.2.2.tgz#fd8631a23bc7826bef5d871bdb87378c95647828"
@@ -4813,10 +5289,14 @@ schema-utils@^0.3.0:
   dependencies:
     ajv "^5.0.0"
 
-"semver@2 || 3 || 4 || 5", semver@5.3.0, semver@^5.1.0, semver@^5.3.0, semver@~5.3.0:
+"semver@2 || 3 || 4 || 5", semver@5.3.0, semver@^5.3.0, semver@~5.3.0:
   version "5.3.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
 
+semver@^5.0.1, semver@^5.4.1:
+  version "5.4.1"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.4.1.tgz#e059c09d8571f0540823733433505d3a2f00b18e"
+
 semver@~4.3.3:
   version "4.3.6"
   resolved "https://registry.yarnpkg.com/semver/-/semver-4.3.6.tgz#300bc6e0e86374f7ba61068b5b1ecd57fc6532da"
@@ -4848,7 +5328,7 @@ serve-static@1.12.3:
     parseurl "~1.3.1"
     send "0.15.3"
 
-set-blocking@~2.0.0:
+set-blocking@^2.0.0, set-blocking@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/set-blocking/-/set-blocking-2.0.0.tgz#045f9782d011ae9a6803ddd382b24392b3d890f7"
 
@@ -4878,10 +5358,6 @@ shebang-regex@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
 
-signal-exit@^2.1.2:
-  version "2.1.2"
-  resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-2.1.2.tgz#375879b1f92ebc3b334480d038dc546a6d558564"
-
 signal-exit@^3.0.0, signal-exit@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
@@ -4952,15 +5428,17 @@ socket.io@1.7.3:
     socket.io-client "1.7.3"
     socket.io-parser "2.3.1"
 
-sort-keys@^1.0.0:
+sort-keys@^1.0.0, sort-keys@^1.1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/sort-keys/-/sort-keys-1.1.2.tgz#441b6d4d346798f1b4e49e8920adfba0e543f9ad"
   dependencies:
     is-plain-obj "^1.0.0"
 
-sorted-object@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.yarnpkg.com/sorted-object/-/sorted-object-2.0.1.tgz#7d631f4bd3a798a24af1dffcfbfe83337a5df5fc"
+sort-keys@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/sort-keys/-/sort-keys-2.0.0.tgz#658535584861ec97d730d6cf41822e1f56684128"
+  dependencies:
+    is-plain-obj "^1.0.0"
 
 source-list-map@^0.1.7, source-list-map@~0.1.7:
   version "0.1.8"
@@ -5002,6 +5480,18 @@ spdx-license-ids@^1.0.2:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-1.2.2.tgz#c9df7a3424594ade6bd11900d596696dc06bac57"
 
+split2@^2.0.0:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/split2/-/split2-2.1.1.tgz#7a1f551e176a90ecd3345f7246a0cfe175ef4fd0"
+  dependencies:
+    through2 "^2.0.2"
+
+split@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/split/-/split-1.0.1.tgz#605bd9be303aa59fb35f9229fbea0ddec9ea07d9"
+  dependencies:
+    through "2"
+
 sprintf-js@~1.0.2:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/sprintf-js/-/sprintf-js-1.0.3.tgz#04e6926f662895354f3dd015203633b857297e2c"
@@ -5069,6 +5559,12 @@ string_decoder@^0.10.25, string_decoder@~0.10.x:
   version "0.10.31"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
 
+string_decoder@~1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.0.3.tgz#0fc67d7c141825de94282dd536bec6b9bce860ab"
+  dependencies:
+    safe-buffer "~5.1.0"
+
 stringmap@~0.2.2:
   version "0.2.2"
   resolved "https://registry.yarnpkg.com/stringmap/-/stringmap-0.2.2.tgz#556c137b258f942b8776f5b2ef582aa069d7d1b1"
@@ -5103,6 +5599,10 @@ strip-bom@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
 
+strip-eof@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/strip-eof/-/strip-eof-1.0.0.tgz#bb43ff5598a6eb05d89b59fcd129c983313606bf"
+
 strip-indent@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/strip-indent/-/strip-indent-1.0.1.tgz#0c7962a6adefa7bbd4ac366460a638552ae1a0a2"
@@ -5113,6 +5613,16 @@ strip-json-comments@~2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-2.0.1.tgz#3c531942e908c2697c0ec344858c286c7ca0a60a"
 
+strong-log-transformer@^1.0.6:
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/strong-log-transformer/-/strong-log-transformer-1.0.6.tgz#f7fb93758a69a571140181277eea0c2eb1301fa3"
+  dependencies:
+    byline "^5.0.0"
+    duplexer "^0.1.1"
+    minimist "^0.1.0"
+    moment "^2.6.0"
+    through "^2.3.4"
+
 style-loader@^0.18.2:
   version "0.18.2"
   resolved "https://registry.yarnpkg.com/style-loader/-/style-loader-0.18.2.tgz#cc31459afbcd6d80b7220ee54b291a9fd66ff5eb"
@@ -5148,10 +5658,6 @@ svgo@^0.7.0:
     sax "~1.2.1"
     whet.extend "~0.9.9"
 
-sync-exec@^0.6.2:
-  version "0.6.2"
-  resolved "https://registry.yarnpkg.com/sync-exec/-/sync-exec-0.6.2.tgz#717d22cc53f0ce1def5594362f3a89a2ebb91105"
-
 table@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/table/-/table-4.0.1.tgz#a8116c133fac2c61f4a420ab6cdf5c4d61f0e435"
@@ -5188,6 +5694,32 @@ tar@~2.2.1:
     fstream "^1.0.2"
     inherits "2"
 
+temp-dir@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/temp-dir/-/temp-dir-1.0.0.tgz#0a7c0ea26d3a39afa7e0ebea9c1fc0bc4daa011d"
+
+temp-write@^3.3.0:
+  version "3.3.0"
+  resolved "https://registry.yarnpkg.com/temp-write/-/temp-write-3.3.0.tgz#c1a96de2b36061342eae81f44ff001aec8f615a9"
+  dependencies:
+    graceful-fs "^4.1.2"
+    is-stream "^1.1.0"
+    make-dir "^1.0.0"
+    pify "^2.2.0"
+    temp-dir "^1.0.0"
+    uuid "^3.0.1"
+
+tempfile@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/tempfile/-/tempfile-1.1.1.tgz#5bcc4eaecc4ab2c707d8bc11d99ccc9a2cb287f2"
+  dependencies:
+    os-tmpdir "^1.0.0"
+    uuid "^2.0.1"
+
+text-extensions@^1.0.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/text-extensions/-/text-extensions-1.6.0.tgz#771561b26022783a45f5b6c2e78ad6e7de9fe322"
+
 text-table@^0.2.0, text-table@~0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/text-table/-/text-table-0.2.0.tgz#7f5ee823ae805207c00af2df4a84ec3fcfa570b4"
@@ -5196,7 +5728,14 @@ throttleit@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/throttleit/-/throttleit-1.0.0.tgz#9e785836daf46743145a5984b6268d828528ac6c"
 
-through@^2.3.6, through@~2.3.6:
+through2@^2.0.0, through2@^2.0.2:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.3.tgz#0004569b37c7c74ba39c43f3ced78d1ad94140be"
+  dependencies:
+    readable-stream "^2.1.5"
+    xtend "~4.0.1"
+
+through@2, "through@>=2.2.7 <3", through@^2.3.4, through@^2.3.6, through@~2.3.6:
   version "2.3.8"
   resolved "https://registry.yarnpkg.com/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
@@ -5245,6 +5784,10 @@ trim-newlines@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-1.0.0.tgz#5887966bb582a4503a41eb524f7d35011815a613"
 
+trim-off-newlines@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/trim-off-newlines/-/trim-off-newlines-1.0.1.tgz#9f9ba9d9efa8764c387698bcbfeb2c848f11adb3"
+
 trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
@@ -5329,6 +5872,10 @@ uniqs@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/uniqs/-/uniqs-2.0.0.tgz#ffede4b36b25290696e6e165d4a59edb998e6b02"
 
+universalify@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/universalify/-/universalify-0.1.1.tgz#fa71badd4437af4c148841e3b3b165f9e9e590b7"
+
 unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
@@ -5377,10 +5924,18 @@ utils-merge@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/utils-merge/-/utils-merge-1.0.0.tgz#0294fb922bb9375153541c4f7096231f287c8af8"
 
+uuid@^2.0.1:
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-2.0.3.tgz#67e2e863797215530dff318e5bf9dcebfd47b21a"
+
 uuid@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.0.1.tgz#6544bba2dfda8c1cf17e629a3a305e2bb1fee6c1"
 
+uuid@^3.0.1:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.1.0.tgz#3dd3d3e790abc24d7b0d3a034ffababe28ebbc04"
+
 v8flags@^2.0.10:
   version "2.0.11"
   resolved "https://registry.yarnpkg.com/v8flags/-/v8flags-2.0.11.tgz#bca8f30f0d6d60612cc2c00641e6962d42ae6881"
@@ -5430,6 +5985,12 @@ watchpack@^0.2.1:
     chokidar "^1.0.0"
     graceful-fs "^4.1.2"
 
+wcwidth@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/wcwidth/-/wcwidth-1.0.1.tgz#f0b0dcf915bc5ff1528afadb2c0e17b532da2fe8"
+  dependencies:
+    defaults "^1.0.3"
+
 webpack-core@~0.6.9:
   version "0.6.9"
   resolved "https://registry.yarnpkg.com/webpack-core/-/webpack-core-0.6.9.tgz#fc571588c8558da77be9efb6debdc5a3b172bdc2"
@@ -5485,6 +6046,10 @@ whet.extend@~0.9.9:
   version "0.9.9"
   resolved "https://registry.yarnpkg.com/whet.extend/-/whet.extend-0.9.9.tgz#f877d5bf648c97e5aa542fadc16d6a259b9c11a1"
 
+which-module@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/which-module/-/which-module-2.0.0.tgz#d9ef07dce77b9902b8a3a8fa4b31c3e3f7e6e87a"
+
 which@^1.2.1, which@^1.2.9, which@~1.2.10:
   version "1.2.12"
   resolved "https://registry.yarnpkg.com/which/-/which-1.2.12.tgz#de67b5e450269f194909ef23ece4ebe416fa1192"
@@ -5513,10 +6078,43 @@ wordwrap@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
 
+wrap-ansi@^2.0.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/wrap-ansi/-/wrap-ansi-2.1.0.tgz#d8fc3d284dd05794fe84973caecdd1cf824fdd85"
+  dependencies:
+    string-width "^1.0.1"
+    strip-ansi "^3.0.1"
+
 wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
 
+write-file-atomic@^2.0.0, write-file-atomic@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/write-file-atomic/-/write-file-atomic-2.3.0.tgz#1ff61575c2e2a4e8e510d6fa4e243cce183999ab"
+  dependencies:
+    graceful-fs "^4.1.11"
+    imurmurhash "^0.1.4"
+    signal-exit "^3.0.2"
+
+write-json-file@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/write-json-file/-/write-json-file-2.2.0.tgz#51862506bbb3b619eefab7859f1fd6c6d0530876"
+  dependencies:
+    detect-indent "^5.0.0"
+    graceful-fs "^4.1.2"
+    make-dir "^1.0.0"
+    pify "^2.0.0"
+    sort-keys "^1.1.1"
+    write-file-atomic "^2.0.0"
+
+write-pkg@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/write-pkg/-/write-pkg-3.1.0.tgz#030a9994cc9993d25b4e75a9f1a1923607291ce9"
+  dependencies:
+    sort-keys "^2.0.0"
+    write-json-file "^2.2.0"
+
 write@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/write/-/write-0.2.1.tgz#5fc03828e264cea3fe91455476f7a3c566cb0757"
@@ -5546,14 +6144,42 @@ xmlhttprequest-ssl@1.5.3:
   version "1.5.3"
   resolved "https://registry.yarnpkg.com/xmlhttprequest-ssl/-/xmlhttprequest-ssl-1.5.3.tgz#185a888c04eca46c3e4070d99f7b49de3528992d"
 
-xtend@^4.0.0:
+xtend@^4.0.0, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
 
+y18n@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
+
 yallist@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.0.0.tgz#306c543835f09ee1a4cb23b7bce9ab341c91cdd4"
 
+yargs-parser@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-7.0.0.tgz#8d0ac42f16ea55debd332caf4c4038b3e3f5dfd9"
+  dependencies:
+    camelcase "^4.1.0"
+
+yargs@^8.0.2:
+  version "8.0.2"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-8.0.2.tgz#6299a9055b1cefc969ff7e79c1d918dceb22c360"
+  dependencies:
+    camelcase "^4.1.0"
+    cliui "^3.2.0"
+    decamelize "^1.1.1"
+    get-caller-file "^1.0.1"
+    os-locale "^2.0.0"
+    read-pkg-up "^2.0.0"
+    require-directory "^2.1.1"
+    require-main-filename "^1.0.1"
+    set-blocking "^2.0.0"
+    string-width "^2.0.0"
+    which-module "^2.0.0"
+    y18n "^3.2.1"
+    yargs-parser "^7.0.0"
+
 yargs@~3.10.0:
   version "3.10.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-3.10.0.tgz#f7ee7bd857dd7c1d2d38c0e74efbd681d1431fd1"